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         I40E_VSI_STAT("tx_linearize", tx_linearize),
  91 };
  92
  93 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
  94                                  struct ethtool_rxnfc *cmd);
  95
  96 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
  97  * but they are separate.  This device supports Virtualization, and
  98  * as such might have several netdevs supporting VMDq and FCoE going
  99  * through a single port.  The NETDEV_STATs are for individual netdevs
 100  * seen at the top of the stack, and the PF_STATs are for the physical
 101  * function at the bottom of the stack hosting those netdevs.
 102  *
 103  * The PF_STATs are appended to the netdev stats only when ethtool -S
 104  * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
 105  */
 106 static struct i40e_stats i40e_gstrings_stats[] = {
 107         I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
 108         I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
 109         I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
 110         I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
 111         I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
 112         I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
 113         I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
 114         I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
 115         I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
 116         I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
 117         I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
 118         I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
 119         I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
 120         I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
 121         I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
 122         I40E_PF_STAT("tx_timeout", tx_timeout_count),
 123         I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
 124         I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
 125         I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
 126         I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
 127         I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
 128         I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
 129         I40E_PF_STAT("rx_size_64", stats.rx_size_64),
 130         I40E_PF_STAT("rx_size_127", stats.rx_size_127),
 131         I40E_PF_STAT("rx_size_255", stats.rx_size_255),
 132         I40E_PF_STAT("rx_size_511", stats.rx_size_511),
 133         I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
 134         I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
 135         I40E_PF_STAT("rx_size_big", stats.rx_size_big),
 136         I40E_PF_STAT("tx_size_64", stats.tx_size_64),
 137         I40E_PF_STAT("tx_size_127", stats.tx_size_127),
 138         I40E_PF_STAT("tx_size_255", stats.tx_size_255),
 139         I40E_PF_STAT("tx_size_511", stats.tx_size_511),
 140         I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
 141         I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
 142         I40E_PF_STAT("tx_size_big", stats.tx_size_big),
 143         I40E_PF_STAT("rx_undersize", stats.rx_undersize),
 144         I40E_PF_STAT("rx_fragments", stats.rx_fragments),
 145         I40E_PF_STAT("rx_oversize", stats.rx_oversize),
 146         I40E_PF_STAT("rx_jabber", stats.rx_jabber),
 147         I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
 148         I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
 149         I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
 150         I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
 151         I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
 152         I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
 153         I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
 154         I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
 155
 156         /* LPI stats */
 157         I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
 158         I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
 159         I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
 160         I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
 161 };
 162
 163 #ifdef I40E_FCOE
 164 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
 165         I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
 166         I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
 167         I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
 168         I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
 169         I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
 170         I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
 171         I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
 172         I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
 173 };
 174
 175 #endif /* I40E_FCOE */
 176 #define I40E_QUEUE_STATS_LEN(n) \
 177         (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
 178             * 2 /* Tx and Rx together */                                     \
 179             * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
 180 #define I40E_GLOBAL_STATS_LEN   ARRAY_SIZE(i40e_gstrings_stats)
 181 #define I40E_NETDEV_STATS_LEN   ARRAY_SIZE(i40e_gstrings_net_stats)
 182 #define I40E_MISC_STATS_LEN     ARRAY_SIZE(i40e_gstrings_misc_stats)
 183 #ifdef I40E_FCOE
 184 #define I40E_FCOE_STATS_LEN     ARRAY_SIZE(i40e_gstrings_fcoe_stats)
 185 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 186                                  I40E_FCOE_STATS_LEN + \
 187                                  I40E_MISC_STATS_LEN + \
 188                                  I40E_QUEUE_STATS_LEN((n)))
 189 #else
 190 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 191                                  I40E_MISC_STATS_LEN + \
 192                                  I40E_QUEUE_STATS_LEN((n)))
 193 #endif /* I40E_FCOE */
 194 #define I40E_PFC_STATS_LEN ( \
 195                 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
 196                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
 197                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
 198                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
 199                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
 200                  / sizeof(u64))
 201 #define I40E_VEB_TC_STATS_LEN ( \
 202                 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
 203                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
 204                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
 205                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
 206                  / sizeof(u64))
 207 #define I40E_VEB_STATS_LEN      ARRAY_SIZE(i40e_gstrings_veb_stats)
 208 #define I40E_VEB_STATS_TOTAL    (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
 209 #define I40E_PF_STATS_LEN(n)    (I40E_GLOBAL_STATS_LEN + \
 210                                  I40E_PFC_STATS_LEN + \
 211                                  I40E_VSI_STATS_LEN((n)))
 212
 213 enum i40e_ethtool_test_id {
 214         I40E_ETH_TEST_REG = 0,
 215         I40E_ETH_TEST_EEPROM,
 216         I40E_ETH_TEST_INTR,
 217         I40E_ETH_TEST_LOOPBACK,
 218         I40E_ETH_TEST_LINK,
 219 };
 220
 221 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
 222         "Register test  (offline)",
 223         "Eeprom test    (offline)",
 224         "Interrupt test (offline)",
 225         "Loopback test  (offline)",
 226         "Link test   (on/offline)"
 227 };
 228
 229 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
 230
 231 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
 232         "NPAR",
 233         "LinkPolling",
 234 };
 235
 236 #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings)
 237
 238 /**
 239  * i40e_partition_setting_complaint - generic complaint for MFP restriction
 240  * @pf: the PF struct
 241  **/
 242 static void i40e_partition_setting_complaint(struct i40e_pf *pf)
 243 {
 244         dev_info(&pf->pdev->dev,
 245                  "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");
 246 }
 247
 248 /**
 249  * i40e_get_settings_link_up - Get the Link settings for when link is up
 250  * @hw: hw structure
 251  * @ecmd: ethtool command to fill in
 252  * @netdev: network interface device structure
 253  *
 254  **/
 255 static void i40e_get_settings_link_up(struct i40e_hw *hw,
 256                                       struct ethtool_cmd *ecmd,
 257                                       struct net_device *netdev)
 258 {
 259         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 260         u32 link_speed = hw_link_info->link_speed;
 261
 262         /* Initialize supported and advertised settings based on phy settings */
 263         switch (hw_link_info->phy_type) {
 264         case I40E_PHY_TYPE_40GBASE_CR4:
 265         case I40E_PHY_TYPE_40GBASE_CR4_CU:
 266                 ecmd->supported = SUPPORTED_Autoneg |
 267                                   SUPPORTED_40000baseCR4_Full;
 268                 ecmd->advertising = ADVERTISED_Autoneg |
 269                                     ADVERTISED_40000baseCR4_Full;
 270                 break;
 271         case I40E_PHY_TYPE_XLAUI:
 272         case I40E_PHY_TYPE_XLPPI:
 273         case I40E_PHY_TYPE_40GBASE_AOC:
 274                 ecmd->supported = SUPPORTED_40000baseCR4_Full;
 275                 break;
 276         case I40E_PHY_TYPE_40GBASE_KR4:
 277                 ecmd->supported = SUPPORTED_Autoneg |
 278                                   SUPPORTED_40000baseKR4_Full;
 279                 ecmd->advertising = ADVERTISED_Autoneg |
 280                                     ADVERTISED_40000baseKR4_Full;
 281                 break;
 282         case I40E_PHY_TYPE_40GBASE_SR4:
 283                 ecmd->supported = SUPPORTED_40000baseSR4_Full;
 284                 break;
 285         case I40E_PHY_TYPE_40GBASE_LR4:
 286                 ecmd->supported = SUPPORTED_40000baseLR4_Full;
 287                 break;
 288         case I40E_PHY_TYPE_20GBASE_KR2:
 289                 ecmd->supported = SUPPORTED_Autoneg |
 290                                   SUPPORTED_20000baseKR2_Full;
 291                 ecmd->advertising = ADVERTISED_Autoneg |
 292                                     ADVERTISED_20000baseKR2_Full;
 293                 break;
 294         case I40E_PHY_TYPE_10GBASE_KX4:
 295                 ecmd->supported = SUPPORTED_Autoneg |
 296                                   SUPPORTED_10000baseKX4_Full;
 297                 ecmd->advertising = ADVERTISED_Autoneg |
 298                                     ADVERTISED_10000baseKX4_Full;
 299                 break;
 300         case I40E_PHY_TYPE_10GBASE_KR:
 301                 ecmd->supported = SUPPORTED_Autoneg |
 302                                   SUPPORTED_10000baseKR_Full;
 303                 ecmd->advertising = ADVERTISED_Autoneg |
 304                                     ADVERTISED_10000baseKR_Full;
 305                 break;
 306         case I40E_PHY_TYPE_10GBASE_SR:
 307         case I40E_PHY_TYPE_10GBASE_LR:
 308         case I40E_PHY_TYPE_1000BASE_SX:
 309         case I40E_PHY_TYPE_1000BASE_LX:
 310                 ecmd->supported = SUPPORTED_10000baseT_Full;
 311                 if (hw_link_info->module_type[2] &
 312                     I40E_MODULE_TYPE_1000BASE_SX ||
 313                     hw_link_info->module_type[2] &
 314                     I40E_MODULE_TYPE_1000BASE_LX) {
 315                         ecmd->supported |= SUPPORTED_1000baseT_Full;
 316                         if (hw_link_info->requested_speeds &
 317                             I40E_LINK_SPEED_1GB)
 318                                 ecmd->advertising |= ADVERTISED_1000baseT_Full;
 319                 }
 320                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 321                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 322                 break;
 323         case I40E_PHY_TYPE_1000BASE_KX:
 324                 ecmd->supported = SUPPORTED_Autoneg |
 325                                   SUPPORTED_1000baseKX_Full;
 326                 ecmd->advertising = ADVERTISED_Autoneg |
 327                                     ADVERTISED_1000baseKX_Full;
 328                 break;
 329         case I40E_PHY_TYPE_10GBASE_T:
 330         case I40E_PHY_TYPE_1000BASE_T:
 331         case I40E_PHY_TYPE_100BASE_TX:
 332                 ecmd->supported = SUPPORTED_Autoneg |
 333                                   SUPPORTED_10000baseT_Full |
 334                                   SUPPORTED_1000baseT_Full |
 335                                   SUPPORTED_100baseT_Full;
 336                 ecmd->advertising = ADVERTISED_Autoneg;
 337                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 338                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 339                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 340                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 341                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 342                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 343                 break;
 344         case I40E_PHY_TYPE_10GBASE_CR1_CU:
 345         case I40E_PHY_TYPE_10GBASE_CR1:
 346                 ecmd->supported = SUPPORTED_Autoneg |
 347                                   SUPPORTED_10000baseT_Full;
 348                 ecmd->advertising = ADVERTISED_Autoneg |
 349                                     ADVERTISED_10000baseT_Full;
 350                 break;
 351         case I40E_PHY_TYPE_XAUI:
 352         case I40E_PHY_TYPE_XFI:
 353         case I40E_PHY_TYPE_SFI:
 354         case I40E_PHY_TYPE_10GBASE_SFPP_CU:
 355         case I40E_PHY_TYPE_10GBASE_AOC:
 356                 ecmd->supported = SUPPORTED_10000baseT_Full;
 357                 break;
 358         case I40E_PHY_TYPE_SGMII:
 359                 ecmd->supported = SUPPORTED_Autoneg |
 360                                   SUPPORTED_1000baseT_Full |
 361                                   SUPPORTED_100baseT_Full;
 362                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 363                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 364                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 365                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 366                 break;
 367         default:
 368                 /* if we got here and link is up something bad is afoot */
 369                 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
 370                             hw_link_info->phy_type);
 371         }
 372
 373         /* Set speed and duplex */
 374         switch (link_speed) {
 375         case I40E_LINK_SPEED_40GB:
 376                 ethtool_cmd_speed_set(ecmd, SPEED_40000);
 377                 break;
 378         case I40E_LINK_SPEED_20GB:
 379                 ethtool_cmd_speed_set(ecmd, SPEED_20000);
 380                 break;
 381         case I40E_LINK_SPEED_10GB:
 382                 ethtool_cmd_speed_set(ecmd, SPEED_10000);
 383                 break;
 384         case I40E_LINK_SPEED_1GB:
 385                 ethtool_cmd_speed_set(ecmd, SPEED_1000);
 386                 break;
 387         case I40E_LINK_SPEED_100MB:
 388                 ethtool_cmd_speed_set(ecmd, SPEED_100);
 389                 break;
 390         default:
 391                 break;
 392         }
 393         ecmd->duplex = DUPLEX_FULL;
 394 }
 395
 396 /**
 397  * i40e_get_settings_link_down - Get the Link settings for when link is down
 398  * @hw: hw structure
 399  * @ecmd: ethtool command to fill in
 400  *
 401  * Reports link settings that can be determined when link is down
 402  **/
 403 static void i40e_get_settings_link_down(struct i40e_hw *hw,
 404                                         struct ethtool_cmd *ecmd)
 405 {
 406         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 407
 408         /* link is down and the driver needs to fall back on
 409          * device ID to determine what kinds of info to display,
 410          * it's mostly a guess that may change when link is up
 411          */
 412         switch (hw->device_id) {
 413         case I40E_DEV_ID_QSFP_A:
 414         case I40E_DEV_ID_QSFP_B:
 415         case I40E_DEV_ID_QSFP_C:
 416                 /* pluggable QSFP */
 417                 ecmd->supported = SUPPORTED_40000baseSR4_Full |
 418                                   SUPPORTED_40000baseCR4_Full |
 419                                   SUPPORTED_40000baseLR4_Full;
 420                 ecmd->advertising = ADVERTISED_40000baseSR4_Full |
 421                                     ADVERTISED_40000baseCR4_Full |
 422                                     ADVERTISED_40000baseLR4_Full;
 423                 break;
 424         case I40E_DEV_ID_KX_B:
 425                 /* backplane 40G */
 426                 ecmd->supported = SUPPORTED_40000baseKR4_Full;
 427                 ecmd->advertising = ADVERTISED_40000baseKR4_Full;
 428                 break;
 429         case I40E_DEV_ID_KX_C:
 430                 /* backplane 10G */
 431                 ecmd->supported = SUPPORTED_10000baseKR_Full;
 432                 ecmd->advertising = ADVERTISED_10000baseKR_Full;
 433                 break;
 434         case I40E_DEV_ID_10G_BASE_T:
 435         case I40E_DEV_ID_10G_BASE_T4:
 436                 ecmd->supported = SUPPORTED_10000baseT_Full |
 437                                   SUPPORTED_1000baseT_Full |
 438                                   SUPPORTED_100baseT_Full;
 439                 /* Figure out what has been requested */
 440                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 441                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 442                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 443                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 444                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 445                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 446                 break;
 447         case I40E_DEV_ID_20G_KR2:
 448         case I40E_DEV_ID_20G_KR2_A:
 449                 /* backplane 20G */
 450                 ecmd->supported = SUPPORTED_20000baseKR2_Full;
 451                 ecmd->advertising = ADVERTISED_20000baseKR2_Full;
 452                 break;
 453         default:
 454                 /* all the rest are 10G/1G */
 455                 ecmd->supported = SUPPORTED_10000baseT_Full |
 456                                   SUPPORTED_1000baseT_Full;
 457                 /* Figure out what has been requested */
 458                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 459                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 460                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 461                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 462                 break;
 463         }
 464
 465         /* With no link speed and duplex are unknown */
 466         ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
 467         ecmd->duplex = DUPLEX_UNKNOWN;
 468 }
 469
 470 /**
 471  * i40e_get_settings - Get Link Speed and Duplex settings
 472  * @netdev: network interface device structure
 473  * @ecmd: ethtool command
 474  *
 475  * Reports speed/duplex settings based on media_type
 476  **/
 477 static int i40e_get_settings(struct net_device *netdev,
 478                              struct ethtool_cmd *ecmd)
 479 {
 480         struct i40e_netdev_priv *np = netdev_priv(netdev);
 481         struct i40e_pf *pf = np->vsi->back;
 482         struct i40e_hw *hw = &pf->hw;
 483         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 484         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 485
 486         if (link_up)
 487                 i40e_get_settings_link_up(hw, ecmd, netdev);
 488         else
 489                 i40e_get_settings_link_down(hw, ecmd);
 490
 491         /* Now set the settings that don't rely on link being up/down */
 492
 493         /* Set autoneg settings */
 494         ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 495                           AUTONEG_ENABLE : AUTONEG_DISABLE);
 496
 497         switch (hw->phy.media_type) {
 498         case I40E_MEDIA_TYPE_BACKPLANE:
 499                 ecmd->supported |= SUPPORTED_Autoneg |
 500                                    SUPPORTED_Backplane;
 501                 ecmd->advertising |= ADVERTISED_Autoneg |
 502                                      ADVERTISED_Backplane;
 503                 ecmd->port = PORT_NONE;
 504                 break;
 505         case I40E_MEDIA_TYPE_BASET:
 506                 ecmd->supported |= SUPPORTED_TP;
 507                 ecmd->advertising |= ADVERTISED_TP;
 508                 ecmd->port = PORT_TP;
 509                 break;
 510         case I40E_MEDIA_TYPE_DA:
 511         case I40E_MEDIA_TYPE_CX4:
 512                 ecmd->supported |= SUPPORTED_FIBRE;
 513                 ecmd->advertising |= ADVERTISED_FIBRE;
 514                 ecmd->port = PORT_DA;
 515                 break;
 516         case I40E_MEDIA_TYPE_FIBER:
 517                 ecmd->supported |= SUPPORTED_FIBRE;
 518                 ecmd->port = PORT_FIBRE;
 519                 break;
 520         case I40E_MEDIA_TYPE_UNKNOWN:
 521         default:
 522                 ecmd->port = PORT_OTHER;
 523                 break;
 524         }
 525
 526         /* Set transceiver */
 527         ecmd->transceiver = XCVR_EXTERNAL;
 528
 529         /* Set flow control settings */
 530         ecmd->supported |= SUPPORTED_Pause;
 531
 532         switch (hw->fc.requested_mode) {
 533         case I40E_FC_FULL:
 534                 ecmd->advertising |= ADVERTISED_Pause;
 535                 break;
 536         case I40E_FC_TX_PAUSE:
 537                 ecmd->advertising |= ADVERTISED_Asym_Pause;
 538                 break;
 539         case I40E_FC_RX_PAUSE:
 540                 ecmd->advertising |= (ADVERTISED_Pause |
 541                                       ADVERTISED_Asym_Pause);
 542                 break;
 543         default:
 544                 ecmd->advertising &= ~(ADVERTISED_Pause |
 545                                        ADVERTISED_Asym_Pause);
 546                 break;
 547         }
 548
 549         return 0;
 550 }
 551
 552 /**
 553  * i40e_set_settings - Set Speed and Duplex
 554  * @netdev: network interface device structure
 555  * @ecmd: ethtool command
 556  *
 557  * Set speed/duplex per media_types advertised/forced
 558  **/
 559 static int i40e_set_settings(struct net_device *netdev,
 560                              struct ethtool_cmd *ecmd)
 561 {
 562         struct i40e_netdev_priv *np = netdev_priv(netdev);
 563         struct i40e_aq_get_phy_abilities_resp abilities;
 564         struct i40e_aq_set_phy_config config;
 565         struct i40e_pf *pf = np->vsi->back;
 566         struct i40e_vsi *vsi = np->vsi;
 567         struct i40e_hw *hw = &pf->hw;
 568         struct ethtool_cmd safe_ecmd;
 569         i40e_status status = 0;
 570         bool change = false;
 571         int err = 0;
 572         u8 autoneg;
 573         u32 advertise;
 574
 575         /* Changing port settings is not supported if this isn't the
 576          * port's controlling PF
 577          */
 578         if (hw->partition_id != 1) {
 579                 i40e_partition_setting_complaint(pf);
 580                 return -EOPNOTSUPP;
 581         }
 582
 583         if (vsi != pf->vsi[pf->lan_vsi])
 584                 return -EOPNOTSUPP;
 585
 586         if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
 587             hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
 588             hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
 589             hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
 590                 return -EOPNOTSUPP;
 591
 592         /* get our own copy of the bits to check against */
 593         memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
 594         i40e_get_settings(netdev, &safe_ecmd);
 595
 596         /* save autoneg and speed out of ecmd */
 597         autoneg = ecmd->autoneg;
 598         advertise = ecmd->advertising;
 599
 600         /* set autoneg and speed back to what they currently are */
 601         ecmd->autoneg = safe_ecmd.autoneg;
 602         ecmd->advertising = safe_ecmd.advertising;
 603
 604         ecmd->cmd = safe_ecmd.cmd;
 605         /* If ecmd and safe_ecmd are not the same now, then they are
 606          * trying to set something that we do not support
 607          */
 608         if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
 609                 return -EOPNOTSUPP;
 610
 611         while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
 612                 usleep_range(1000, 2000);
 613
 614         /* Get the current phy config */
 615         status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
 616                                               NULL);
 617         if (status)
 618                 return -EAGAIN;
 619
 620         /* Copy abilities to config in case autoneg is not
 621          * set below
 622          */
 623         memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
 624         config.abilities = abilities.abilities;
 625
 626         /* Check autoneg */
 627         if (autoneg == AUTONEG_ENABLE) {
 628                 /* If autoneg is not supported, return error */
 629                 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
 630                         netdev_info(netdev, "Autoneg not supported on this phy\n");
 631                         return -EINVAL;
 632                 }
 633                 /* If autoneg was not already enabled */
 634                 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
 635                         config.abilities = abilities.abilities |
 636                                            I40E_AQ_PHY_ENABLE_AN;
 637                         change = true;
 638                 }
 639         } else {
 640                 /* If autoneg is supported 10GBASE_T is the only phy that
 641                  * can disable it, so otherwise return error
 642                  */
 643                 if (safe_ecmd.supported & SUPPORTED_Autoneg &&
 644                     hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) {
 645                         netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
 646                         return -EINVAL;
 647                 }
 648                 /* If autoneg is currently enabled */
 649                 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
 650                         config.abilities = abilities.abilities &
 651                                            ~I40E_AQ_PHY_ENABLE_AN;
 652                         change = true;
 653                 }
 654         }
 655
 656         if (advertise & ~safe_ecmd.supported)
 657                 return -EINVAL;
 658
 659         if (advertise & ADVERTISED_100baseT_Full)
 660                 config.link_speed |= I40E_LINK_SPEED_100MB;
 661         if (advertise & ADVERTISED_1000baseT_Full ||
 662             advertise & ADVERTISED_1000baseKX_Full)
 663                 config.link_speed |= I40E_LINK_SPEED_1GB;
 664         if (advertise & ADVERTISED_10000baseT_Full ||
 665             advertise & ADVERTISED_10000baseKX4_Full ||
 666             advertise & ADVERTISED_10000baseKR_Full)
 667                 config.link_speed |= I40E_LINK_SPEED_10GB;
 668         if (advertise & ADVERTISED_20000baseKR2_Full)
 669                 config.link_speed |= I40E_LINK_SPEED_20GB;
 670         if (advertise & ADVERTISED_40000baseKR4_Full ||
 671             advertise & ADVERTISED_40000baseCR4_Full ||
 672             advertise & ADVERTISED_40000baseSR4_Full ||
 673             advertise & ADVERTISED_40000baseLR4_Full)
 674                 config.link_speed |= I40E_LINK_SPEED_40GB;
 675
 676         /* If speed didn't get set, set it to what it currently is.
 677          * This is needed because if advertise is 0 (as it is when autoneg
 678          * is disabled) then speed won't get set.
 679          */
 680         if (!config.link_speed)
 681                 config.link_speed = abilities.link_speed;
 682
 683         if (change || (abilities.link_speed != config.link_speed)) {
 684                 /* copy over the rest of the abilities */
 685                 config.phy_type = abilities.phy_type;
 686                 config.eee_capability = abilities.eee_capability;
 687                 config.eeer = abilities.eeer_val;
 688                 config.low_power_ctrl = abilities.d3_lpan;
 689
 690                 /* save the requested speeds */
 691                 hw->phy.link_info.requested_speeds = config.link_speed;
 692                 /* set link and auto negotiation so changes take effect */
 693                 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
 694                 /* If link is up put link down */
 695                 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
 696                         /* Tell the OS link is going down, the link will go
 697                          * back up when fw says it is ready asynchronously
 698                          */
 699                         i40e_print_link_message(vsi, false);
 700                         netif_carrier_off(netdev);
 701                         netif_tx_stop_all_queues(netdev);
 702                 }
 703
 704                 /* make the aq call */
 705                 status = i40e_aq_set_phy_config(hw, &config, NULL);
 706                 if (status) {
 707                         netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
 708                                     i40e_stat_str(hw, status),
 709                                     i40e_aq_str(hw, hw->aq.asq_last_status));
 710                         return -EAGAIN;
 711                 }
 712
 713                 status = i40e_update_link_info(hw);
 714                 if (status)
 715                         netdev_info(netdev, "Updating link info failed with err %s aq_err %s\n",
 716                                     i40e_stat_str(hw, status),
 717                                     i40e_aq_str(hw, hw->aq.asq_last_status));
 718
 719         } else {
 720                 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
 721         }
 722
 723         return err;
 724 }
 725
 726 static int i40e_nway_reset(struct net_device *netdev)
 727 {
 728         /* restart autonegotiation */
 729         struct i40e_netdev_priv *np = netdev_priv(netdev);
 730         struct i40e_pf *pf = np->vsi->back;
 731         struct i40e_hw *hw = &pf->hw;
 732         bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
 733         i40e_status ret = 0;
 734
 735         ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
 736         if (ret) {
 737                 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
 738                             i40e_stat_str(hw, ret),
 739                             i40e_aq_str(hw, hw->aq.asq_last_status));
 740                 return -EIO;
 741         }
 742
 743         return 0;
 744 }
 745
 746 /**
 747  * i40e_get_pauseparam -  Get Flow Control status
 748  * Return tx/rx-pause status
 749  **/
 750 static void i40e_get_pauseparam(struct net_device *netdev,
 751                                 struct ethtool_pauseparam *pause)
 752 {
 753         struct i40e_netdev_priv *np = netdev_priv(netdev);
 754         struct i40e_pf *pf = np->vsi->back;
 755         struct i40e_hw *hw = &pf->hw;
 756         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 757         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 758
 759         pause->autoneg =
 760                 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 761                   AUTONEG_ENABLE : AUTONEG_DISABLE);
 762
 763         /* PFC enabled so report LFC as off */
 764         if (dcbx_cfg->pfc.pfcenable) {
 765                 pause->rx_pause = 0;
 766                 pause->tx_pause = 0;
 767                 return;
 768         }
 769
 770         if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
 771                 pause->rx_pause = 1;
 772         } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
 773                 pause->tx_pause = 1;
 774         } else if (hw->fc.current_mode == I40E_FC_FULL) {
 775                 pause->rx_pause = 1;
 776                 pause->tx_pause = 1;
 777         }
 778 }
 779
 780 /**
 781  * i40e_set_pauseparam - Set Flow Control parameter
 782  * @netdev: network interface device structure
 783  * @pause: return tx/rx flow control status
 784  **/
 785 static int i40e_set_pauseparam(struct net_device *netdev,
 786                                struct ethtool_pauseparam *pause)
 787 {
 788         struct i40e_netdev_priv *np = netdev_priv(netdev);
 789         struct i40e_pf *pf = np->vsi->back;
 790         struct i40e_vsi *vsi = np->vsi;
 791         struct i40e_hw *hw = &pf->hw;
 792         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 793         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 794         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 795         i40e_status status;
 796         u8 aq_failures;
 797         int err = 0;
 798
 799         /* Changing the port's flow control is not supported if this isn't the
 800          * port's controlling PF
 801          */
 802         if (hw->partition_id != 1) {
 803                 i40e_partition_setting_complaint(pf);
 804                 return -EOPNOTSUPP;
 805         }
 806
 807         if (vsi != pf->vsi[pf->lan_vsi])
 808                 return -EOPNOTSUPP;
 809
 810         if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 811             AUTONEG_ENABLE : AUTONEG_DISABLE)) {
 812                 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
 813                 return -EOPNOTSUPP;
 814         }
 815
 816         /* If we have link and don't have autoneg */
 817         if (!test_bit(__I40E_DOWN, &pf->state) &&
 818             !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
 819                 /* Send message that it might not necessarily work*/
 820                 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
 821         }
 822
 823         if (dcbx_cfg->pfc.pfcenable) {
 824                 netdev_info(netdev,
 825                             "Priority flow control enabled. Cannot set link flow control.\n");
 826                 return -EOPNOTSUPP;
 827         }
 828
 829         if (pause->rx_pause && pause->tx_pause)
 830                 hw->fc.requested_mode = I40E_FC_FULL;
 831         else if (pause->rx_pause && !pause->tx_pause)
 832                 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
 833         else if (!pause->rx_pause && pause->tx_pause)
 834                 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
 835         else if (!pause->rx_pause && !pause->tx_pause)
 836                 hw->fc.requested_mode = I40E_FC_NONE;
 837         else
 838                  return -EINVAL;
 839
 840         /* Tell the OS link is going down, the link will go back up when fw
 841          * says it is ready asynchronously
 842          */
 843         i40e_print_link_message(vsi, false);
 844         netif_carrier_off(netdev);
 845         netif_tx_stop_all_queues(netdev);
 846
 847         /* Set the fc mode and only restart an if link is up*/
 848         status = i40e_set_fc(hw, &aq_failures, link_up);
 849
 850         if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
 851                 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
 852                             i40e_stat_str(hw, status),
 853                             i40e_aq_str(hw, hw->aq.asq_last_status));
 854                 err = -EAGAIN;
 855         }
 856         if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
 857                 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
 858                             i40e_stat_str(hw, status),
 859                             i40e_aq_str(hw, hw->aq.asq_last_status));
 860                 err = -EAGAIN;
 861         }
 862         if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
 863                 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
 864                             i40e_stat_str(hw, status),
 865                             i40e_aq_str(hw, hw->aq.asq_last_status));
 866                 err = -EAGAIN;
 867         }
 868
 869         if (!test_bit(__I40E_DOWN, &pf->state)) {
 870                 /* Give it a little more time to try to come back */
 871                 msleep(75);
 872                 if (!test_bit(__I40E_DOWN, &pf->state))
 873                         return i40e_nway_reset(netdev);
 874         }
 875
 876         return err;
 877 }
 878
 879 static u32 i40e_get_msglevel(struct net_device *netdev)
 880 {
 881         struct i40e_netdev_priv *np = netdev_priv(netdev);
 882         struct i40e_pf *pf = np->vsi->back;
 883
 884         return pf->msg_enable;
 885 }
 886
 887 static void i40e_set_msglevel(struct net_device *netdev, u32 data)
 888 {
 889         struct i40e_netdev_priv *np = netdev_priv(netdev);
 890         struct i40e_pf *pf = np->vsi->back;
 891
 892         if (I40E_DEBUG_USER & data)
 893                 pf->hw.debug_mask = data;
 894         pf->msg_enable = data;
 895 }
 896
 897 static int i40e_get_regs_len(struct net_device *netdev)
 898 {
 899         int reg_count = 0;
 900         int i;
 901
 902         for (i = 0; i40e_reg_list[i].offset != 0; i++)
 903                 reg_count += i40e_reg_list[i].elements;
 904
 905         return reg_count * sizeof(u32);
 906 }
 907
 908 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
 909                           void *p)
 910 {
 911         struct i40e_netdev_priv *np = netdev_priv(netdev);
 912         struct i40e_pf *pf = np->vsi->back;
 913         struct i40e_hw *hw = &pf->hw;
 914         u32 *reg_buf = p;
 915         int i, j, ri;
 916         u32 reg;
 917
 918         /* Tell ethtool which driver-version-specific regs output we have.
 919          *
 920          * At some point, if we have ethtool doing special formatting of
 921          * this data, it will rely on this version number to know how to
 922          * interpret things.  Hence, this needs to be updated if/when the
 923          * diags register table is changed.
 924          */
 925         regs->version = 1;
 926
 927         /* loop through the diags reg table for what to print */
 928         ri = 0;
 929         for (i = 0; i40e_reg_list[i].offset != 0; i++) {
 930                 for (j = 0; j < i40e_reg_list[i].elements; j++) {
 931                         reg = i40e_reg_list[i].offset
 932                                 + (j * i40e_reg_list[i].stride);
 933                         reg_buf[ri++] = rd32(hw, reg);
 934                 }
 935         }
 936
 937 }
 938
 939 static int i40e_get_eeprom(struct net_device *netdev,
 940                            struct ethtool_eeprom *eeprom, u8 *bytes)
 941 {
 942         struct i40e_netdev_priv *np = netdev_priv(netdev);
 943         struct i40e_hw *hw = &np->vsi->back->hw;
 944         struct i40e_pf *pf = np->vsi->back;
 945         int ret_val = 0, len, offset;
 946         u8 *eeprom_buff;
 947         u16 i, sectors;
 948         bool last;
 949         u32 magic;
 950
 951 #define I40E_NVM_SECTOR_SIZE  4096
 952         if (eeprom->len == 0)
 953                 return -EINVAL;
 954
 955         /* check for NVMUpdate access method */
 956         magic = hw->vendor_id | (hw->device_id << 16);
 957         if (eeprom->magic && eeprom->magic != magic) {
 958                 struct i40e_nvm_access *cmd;
 959                 int errno;
 960
 961                 /* make sure it is the right magic for NVMUpdate */
 962                 if ((eeprom->magic >> 16) != hw->device_id)
 963                         return -EINVAL;
 964
 965                 cmd = (struct i40e_nvm_access *)eeprom;
 966                 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
 967                 if (ret_val &&
 968                     ((hw->aq.asq_last_status != I40E_AQ_RC_EACCES) ||
 969                      (hw->debug_mask & I40E_DEBUG_NVM)))
 970                         dev_info(&pf->pdev->dev,
 971                                  "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
 972                                  ret_val, hw->aq.asq_last_status, errno,
 973                                  (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
 974                                  cmd->offset, cmd->data_size);
 975
 976                 return errno;
 977         }
 978
 979         /* normal ethtool get_eeprom support */
 980         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 981
 982         eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
 983         if (!eeprom_buff)
 984                 return -ENOMEM;
 985
 986         ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
 987         if (ret_val) {
 988                 dev_info(&pf->pdev->dev,
 989                          "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
 990                          ret_val, hw->aq.asq_last_status);
 991                 goto free_buff;
 992         }
 993
 994         sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
 995         sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
 996         len = I40E_NVM_SECTOR_SIZE;
 997         last = false;
 998         for (i = 0; i < sectors; i++) {
 999                 if (i == (sectors - 1)) {
1000                         len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
1001                         last = true;
1002                 }
1003                 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
1004                 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1005                                 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1006                                 last, NULL);
1007                 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1008                         dev_info(&pf->pdev->dev,
1009                                  "read NVM failed, invalid offset 0x%x\n",
1010                                  offset);
1011                         break;
1012                 } else if (ret_val &&
1013                            hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1014                         dev_info(&pf->pdev->dev,
1015                                  "read NVM failed, access, offset 0x%x\n",
1016                                  offset);
1017                         break;
1018                 } else if (ret_val) {
1019                         dev_info(&pf->pdev->dev,
1020                                  "read NVM failed offset %d err=%d status=0x%x\n",
1021                                  offset, ret_val, hw->aq.asq_last_status);
1022                         break;
1023                 }
1024         }
1025
1026         i40e_release_nvm(hw);
1027         memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1028 free_buff:
1029         kfree(eeprom_buff);
1030         return ret_val;
1031 }
1032
1033 static int i40e_get_eeprom_len(struct net_device *netdev)
1034 {
1035         struct i40e_netdev_priv *np = netdev_priv(netdev);
1036         struct i40e_hw *hw = &np->vsi->back->hw;
1037         u32 val;
1038
1039         val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1040                 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1041                 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1042         /* register returns value in power of 2, 64Kbyte chunks. */
1043         val = (64 * 1024) * BIT(val);
1044         return val;
1045 }
1046
1047 static int i40e_set_eeprom(struct net_device *netdev,
1048                            struct ethtool_eeprom *eeprom, u8 *bytes)
1049 {
1050         struct i40e_netdev_priv *np = netdev_priv(netdev);
1051         struct i40e_hw *hw = &np->vsi->back->hw;
1052         struct i40e_pf *pf = np->vsi->back;
1053         struct i40e_nvm_access *cmd;
1054         int ret_val = 0;
1055         int errno;
1056         u32 magic;
1057
1058         /* normal ethtool set_eeprom is not supported */
1059         magic = hw->vendor_id | (hw->device_id << 16);
1060         if (eeprom->magic == magic)
1061                 return -EOPNOTSUPP;
1062
1063         /* check for NVMUpdate access method */
1064         if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1065                 return -EINVAL;
1066
1067         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1068             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1069                 return -EBUSY;
1070
1071         cmd = (struct i40e_nvm_access *)eeprom;
1072         ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1073         if (ret_val &&
1074             ((hw->aq.asq_last_status != I40E_AQ_RC_EPERM &&
1075               hw->aq.asq_last_status != I40E_AQ_RC_EBUSY) ||
1076              (hw->debug_mask & I40E_DEBUG_NVM)))
1077                 dev_info(&pf->pdev->dev,
1078                          "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1079                          ret_val, hw->aq.asq_last_status, errno,
1080                          (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1081                          cmd->offset, cmd->data_size);
1082
1083         return errno;
1084 }
1085
1086 static void i40e_get_drvinfo(struct net_device *netdev,
1087                              struct ethtool_drvinfo *drvinfo)
1088 {
1089         struct i40e_netdev_priv *np = netdev_priv(netdev);
1090         struct i40e_vsi *vsi = np->vsi;
1091         struct i40e_pf *pf = vsi->back;
1092
1093         strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1094         strlcpy(drvinfo->version, i40e_driver_version_str,
1095                 sizeof(drvinfo->version));
1096         strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw),
1097                 sizeof(drvinfo->fw_version));
1098         strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1099                 sizeof(drvinfo->bus_info));
1100         drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
1101 }
1102
1103 static void i40e_get_ringparam(struct net_device *netdev,
1104                                struct ethtool_ringparam *ring)
1105 {
1106         struct i40e_netdev_priv *np = netdev_priv(netdev);
1107         struct i40e_pf *pf = np->vsi->back;
1108         struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1109
1110         ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1111         ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1112         ring->rx_mini_max_pending = 0;
1113         ring->rx_jumbo_max_pending = 0;
1114         ring->rx_pending = vsi->rx_rings[0]->count;
1115         ring->tx_pending = vsi->tx_rings[0]->count;
1116         ring->rx_mini_pending = 0;
1117         ring->rx_jumbo_pending = 0;
1118 }
1119
1120 static int i40e_set_ringparam(struct net_device *netdev,
1121                               struct ethtool_ringparam *ring)
1122 {
1123         struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1124         struct i40e_netdev_priv *np = netdev_priv(netdev);
1125         struct i40e_vsi *vsi = np->vsi;
1126         struct i40e_pf *pf = vsi->back;
1127         u32 new_rx_count, new_tx_count;
1128         int i, err = 0;
1129
1130         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1131                 return -EINVAL;
1132
1133         if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1134             ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1135             ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1136             ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1137                 netdev_info(netdev,
1138                             "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1139                             ring->tx_pending, ring->rx_pending,
1140                             I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1141                 return -EINVAL;
1142         }
1143
1144         new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1145         new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1146
1147         /* if nothing to do return success */
1148         if ((new_tx_count == vsi->tx_rings[0]->count) &&
1149             (new_rx_count == vsi->rx_rings[0]->count))
1150                 return 0;
1151
1152         while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1153                 usleep_range(1000, 2000);
1154
1155         if (!netif_running(vsi->netdev)) {
1156                 /* simple case - set for the next time the netdev is started */
1157                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1158                         vsi->tx_rings[i]->count = new_tx_count;
1159                         vsi->rx_rings[i]->count = new_rx_count;
1160                 }
1161                 goto done;
1162         }
1163
1164         /* We can't just free everything and then setup again,
1165          * because the ISRs in MSI-X mode get passed pointers
1166          * to the Tx and Rx ring structs.
1167          */
1168
1169         /* alloc updated Tx resources */
1170         if (new_tx_count != vsi->tx_rings[0]->count) {
1171                 netdev_info(netdev,
1172                             "Changing Tx descriptor count from %d to %d.\n",
1173                             vsi->tx_rings[0]->count, new_tx_count);
1174                 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1175                                    sizeof(struct i40e_ring), GFP_KERNEL);
1176                 if (!tx_rings) {
1177                         err = -ENOMEM;
1178                         goto done;
1179                 }
1180
1181                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1182                         /* clone ring and setup updated count */
1183                         tx_rings[i] = *vsi->tx_rings[i];
1184                         tx_rings[i].count = new_tx_count;
1185                         /* the desc and bi pointers will be reallocated in the
1186                          * setup call
1187                          */
1188                         tx_rings[i].desc = NULL;
1189                         tx_rings[i].rx_bi = NULL;
1190                         err = i40e_setup_tx_descriptors(&tx_rings[i]);
1191                         if (err) {
1192                                 while (i) {
1193                                         i--;
1194                                         i40e_free_tx_resources(&tx_rings[i]);
1195                                 }
1196                                 kfree(tx_rings);
1197                                 tx_rings = NULL;
1198
1199                                 goto done;
1200                         }
1201                 }
1202         }
1203
1204         /* alloc updated Rx resources */
1205         if (new_rx_count != vsi->rx_rings[0]->count) {
1206                 netdev_info(netdev,
1207                             "Changing Rx descriptor count from %d to %d\n",
1208                             vsi->rx_rings[0]->count, new_rx_count);
1209                 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1210                                    sizeof(struct i40e_ring), GFP_KERNEL);
1211                 if (!rx_rings) {
1212                         err = -ENOMEM;
1213                         goto free_tx;
1214                 }
1215
1216                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1217                         /* clone ring and setup updated count */
1218                         rx_rings[i] = *vsi->rx_rings[i];
1219                         rx_rings[i].count = new_rx_count;
1220                         /* the desc and bi pointers will be reallocated in the
1221                          * setup call
1222                          */
1223                         rx_rings[i].desc = NULL;
1224                         rx_rings[i].rx_bi = NULL;
1225                         err = i40e_setup_rx_descriptors(&rx_rings[i]);
1226                         if (err) {
1227                                 while (i) {
1228                                         i--;
1229                                         i40e_free_rx_resources(&rx_rings[i]);
1230                                 }
1231                                 kfree(rx_rings);
1232                                 rx_rings = NULL;
1233
1234                                 goto free_tx;
1235                         }
1236                 }
1237         }
1238
1239         /* Bring interface down, copy in the new ring info,
1240          * then restore the interface
1241          */
1242         i40e_down(vsi);
1243
1244         if (tx_rings) {
1245                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1246                         i40e_free_tx_resources(vsi->tx_rings[i]);
1247                         *vsi->tx_rings[i] = tx_rings[i];
1248                 }
1249                 kfree(tx_rings);
1250                 tx_rings = NULL;
1251         }
1252
1253         if (rx_rings) {
1254                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1255                         i40e_free_rx_resources(vsi->rx_rings[i]);
1256                         *vsi->rx_rings[i] = rx_rings[i];
1257                 }
1258                 kfree(rx_rings);
1259                 rx_rings = NULL;
1260         }
1261
1262         i40e_up(vsi);
1263
1264 free_tx:
1265         /* error cleanup if the Rx allocations failed after getting Tx */
1266         if (tx_rings) {
1267                 for (i = 0; i < vsi->num_queue_pairs; i++)
1268                         i40e_free_tx_resources(&tx_rings[i]);
1269                 kfree(tx_rings);
1270                 tx_rings = NULL;
1271         }
1272
1273 done:
1274         clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1275
1276         return err;
1277 }
1278
1279 static int i40e_get_sset_count(struct net_device *netdev, int sset)
1280 {
1281         struct i40e_netdev_priv *np = netdev_priv(netdev);
1282         struct i40e_vsi *vsi = np->vsi;
1283         struct i40e_pf *pf = vsi->back;
1284
1285         switch (sset) {
1286         case ETH_SS_TEST:
1287                 return I40E_TEST_LEN;
1288         case ETH_SS_STATS:
1289                 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1290                         int len = I40E_PF_STATS_LEN(netdev);
1291
1292                         if ((pf->lan_veb != I40E_NO_VEB) &&
1293                             (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1294                                 len += I40E_VEB_STATS_TOTAL;
1295                         return len;
1296                 } else {
1297                         return I40E_VSI_STATS_LEN(netdev);
1298                 }
1299         case ETH_SS_PRIV_FLAGS:
1300                 return I40E_PRIV_FLAGS_STR_LEN;
1301         default:
1302                 return -EOPNOTSUPP;
1303         }
1304 }
1305
1306 static void i40e_get_ethtool_stats(struct net_device *netdev,
1307                                    struct ethtool_stats *stats, u64 *data)
1308 {
1309         struct i40e_netdev_priv *np = netdev_priv(netdev);
1310         struct i40e_ring *tx_ring, *rx_ring;
1311         struct i40e_vsi *vsi = np->vsi;
1312         struct i40e_pf *pf = vsi->back;
1313         int i = 0;
1314         char *p;
1315         int j;
1316         struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1317         unsigned int start;
1318
1319         i40e_update_stats(vsi);
1320
1321         for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1322                 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1323                 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1324                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1325         }
1326         for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1327                 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1328                 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1329                             sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1330         }
1331 #ifdef I40E_FCOE
1332         for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1333                 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1334                 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1335                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1336         }
1337 #endif
1338         rcu_read_lock();
1339         for (j = 0; j < vsi->num_queue_pairs; j++) {
1340                 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1341
1342                 if (!tx_ring)
1343                         continue;
1344
1345                 /* process Tx ring statistics */
1346                 do {
1347                         start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1348                         data[i] = tx_ring->stats.packets;
1349                         data[i + 1] = tx_ring->stats.bytes;
1350                 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1351                 i += 2;
1352
1353                 /* Rx ring is the 2nd half of the queue pair */
1354                 rx_ring = &tx_ring[1];
1355                 do {
1356                         start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1357                         data[i] = rx_ring->stats.packets;
1358                         data[i + 1] = rx_ring->stats.bytes;
1359                 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1360                 i += 2;
1361         }
1362         rcu_read_unlock();
1363         if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1364                 return;
1365
1366         if ((pf->lan_veb != I40E_NO_VEB) &&
1367             (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1368                 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1369
1370                 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1371                         p = (char *)veb;
1372                         p += i40e_gstrings_veb_stats[j].stat_offset;
1373                         data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1374                                      sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1375                 }
1376         }
1377         for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1378                 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1379                 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1380                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1381         }
1382         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1383                 data[i++] = pf->stats.priority_xon_tx[j];
1384                 data[i++] = pf->stats.priority_xoff_tx[j];
1385         }
1386         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1387                 data[i++] = pf->stats.priority_xon_rx[j];
1388                 data[i++] = pf->stats.priority_xoff_rx[j];
1389         }
1390         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1391                 data[i++] = pf->stats.priority_xon_2_xoff[j];
1392 }
1393
1394 static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1395                              u8 *data)
1396 {
1397         struct i40e_netdev_priv *np = netdev_priv(netdev);
1398         struct i40e_vsi *vsi = np->vsi;
1399         struct i40e_pf *pf = vsi->back;
1400         char *p = (char *)data;
1401         int i;
1402
1403         switch (stringset) {
1404         case ETH_SS_TEST:
1405                 for (i = 0; i < I40E_TEST_LEN; i++) {
1406                         memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1407                         data += ETH_GSTRING_LEN;
1408                 }
1409                 break;
1410         case ETH_SS_STATS:
1411                 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1412                         snprintf(p, ETH_GSTRING_LEN, "%s",
1413                                  i40e_gstrings_net_stats[i].stat_string);
1414                         p += ETH_GSTRING_LEN;
1415                 }
1416                 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1417                         snprintf(p, ETH_GSTRING_LEN, "%s",
1418                                  i40e_gstrings_misc_stats[i].stat_string);
1419                         p += ETH_GSTRING_LEN;
1420                 }
1421 #ifdef I40E_FCOE
1422                 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1423                         snprintf(p, ETH_GSTRING_LEN, "%s",
1424                                  i40e_gstrings_fcoe_stats[i].stat_string);
1425                         p += ETH_GSTRING_LEN;
1426                 }
1427 #endif
1428                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1429                         snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
1430                         p += ETH_GSTRING_LEN;
1431                         snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
1432                         p += ETH_GSTRING_LEN;
1433                         snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
1434                         p += ETH_GSTRING_LEN;
1435                         snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
1436                         p += ETH_GSTRING_LEN;
1437                 }
1438                 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1439                         return;
1440
1441                 if ((pf->lan_veb != I40E_NO_VEB) &&
1442                     (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1443                         for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1444                                 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1445                                         i40e_gstrings_veb_stats[i].stat_string);
1446                                 p += ETH_GSTRING_LEN;
1447                         }
1448                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1449                                 snprintf(p, ETH_GSTRING_LEN,
1450                                          "veb.tc_%u_tx_packets", i);
1451                                 p += ETH_GSTRING_LEN;
1452                                 snprintf(p, ETH_GSTRING_LEN,
1453                                          "veb.tc_%u_tx_bytes", i);
1454                                 p += ETH_GSTRING_LEN;
1455                                 snprintf(p, ETH_GSTRING_LEN,
1456                                          "veb.tc_%u_rx_packets", i);
1457                                 p += ETH_GSTRING_LEN;
1458                                 snprintf(p, ETH_GSTRING_LEN,
1459                                          "veb.tc_%u_rx_bytes", i);
1460                                 p += ETH_GSTRING_LEN;
1461                         }
1462                 }
1463                 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1464                         snprintf(p, ETH_GSTRING_LEN, "port.%s",
1465                                  i40e_gstrings_stats[i].stat_string);
1466                         p += ETH_GSTRING_LEN;
1467                 }
1468                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1469                         snprintf(p, ETH_GSTRING_LEN,
1470                                  "port.tx_priority_%u_xon", i);
1471                         p += ETH_GSTRING_LEN;
1472                         snprintf(p, ETH_GSTRING_LEN,
1473                                  "port.tx_priority_%u_xoff", i);
1474                         p += ETH_GSTRING_LEN;
1475                 }
1476                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1477                         snprintf(p, ETH_GSTRING_LEN,
1478                                  "port.rx_priority_%u_xon", i);
1479                         p += ETH_GSTRING_LEN;
1480                         snprintf(p, ETH_GSTRING_LEN,
1481                                  "port.rx_priority_%u_xoff", i);
1482                         p += ETH_GSTRING_LEN;
1483                 }
1484                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1485                         snprintf(p, ETH_GSTRING_LEN,
1486                                  "port.rx_priority_%u_xon_2_xoff", i);
1487                         p += ETH_GSTRING_LEN;
1488                 }
1489                 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1490                 break;
1491         case ETH_SS_PRIV_FLAGS:
1492                 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1493                         memcpy(data, i40e_priv_flags_strings[i],
1494                                ETH_GSTRING_LEN);
1495                         data += ETH_GSTRING_LEN;
1496                 }
1497                 break;
1498         default:
1499                 break;
1500         }
1501 }
1502
1503 static int i40e_get_ts_info(struct net_device *dev,
1504                             struct ethtool_ts_info *info)
1505 {
1506         struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1507
1508         /* only report HW timestamping if PTP is enabled */
1509         if (!(pf->flags & I40E_FLAG_PTP))
1510                 return ethtool_op_get_ts_info(dev, info);
1511
1512         info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1513                                 SOF_TIMESTAMPING_RX_SOFTWARE |
1514                                 SOF_TIMESTAMPING_SOFTWARE |
1515                                 SOF_TIMESTAMPING_TX_HARDWARE |
1516                                 SOF_TIMESTAMPING_RX_HARDWARE |
1517                                 SOF_TIMESTAMPING_RAW_HARDWARE;
1518
1519         if (pf->ptp_clock)
1520                 info->phc_index = ptp_clock_index(pf->ptp_clock);
1521         else
1522                 info->phc_index = -1;
1523
1524         info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1525
1526         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1527                            BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1528                            BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1529
1530         return 0;
1531 }
1532
1533 static int i40e_link_test(struct net_device *netdev, u64 *data)
1534 {
1535         struct i40e_netdev_priv *np = netdev_priv(netdev);
1536         struct i40e_pf *pf = np->vsi->back;
1537         i40e_status status;
1538         bool link_up = false;
1539
1540         netif_info(pf, hw, netdev, "link test\n");
1541         status = i40e_get_link_status(&pf->hw, &link_up);
1542         if (status) {
1543                 netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1544                 *data = 1;
1545                 return *data;
1546         }
1547
1548         if (link_up)
1549                 *data = 0;
1550         else
1551                 *data = 1;
1552
1553         return *data;
1554 }
1555
1556 static int i40e_reg_test(struct net_device *netdev, u64 *data)
1557 {
1558         struct i40e_netdev_priv *np = netdev_priv(netdev);
1559         struct i40e_pf *pf = np->vsi->back;
1560
1561         netif_info(pf, hw, netdev, "register test\n");
1562         *data = i40e_diag_reg_test(&pf->hw);
1563
1564         return *data;
1565 }
1566
1567 static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1568 {
1569         struct i40e_netdev_priv *np = netdev_priv(netdev);
1570         struct i40e_pf *pf = np->vsi->back;
1571
1572         netif_info(pf, hw, netdev, "eeprom test\n");
1573         *data = i40e_diag_eeprom_test(&pf->hw);
1574
1575         /* forcebly clear the NVM Update state machine */
1576         pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1577
1578         return *data;
1579 }
1580
1581 static int i40e_intr_test(struct net_device *netdev, u64 *data)
1582 {
1583         struct i40e_netdev_priv *np = netdev_priv(netdev);
1584         struct i40e_pf *pf = np->vsi->back;
1585         u16 swc_old = pf->sw_int_count;
1586
1587         netif_info(pf, hw, netdev, "interrupt test\n");
1588         wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1589              (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1590               I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1591               I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1592               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1593               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1594         usleep_range(1000, 2000);
1595         *data = (swc_old == pf->sw_int_count);
1596
1597         return *data;
1598 }
1599
1600 static int i40e_loopback_test(struct net_device *netdev, u64 *data)
1601 {
1602         struct i40e_netdev_priv *np = netdev_priv(netdev);
1603         struct i40e_pf *pf = np->vsi->back;
1604
1605         netif_info(pf, hw, netdev, "loopback test not implemented\n");
1606         *data = 0;
1607
1608         return *data;
1609 }
1610
1611 static inline bool i40e_active_vfs(struct i40e_pf *pf)
1612 {
1613         struct i40e_vf *vfs = pf->vf;
1614         int i;
1615
1616         for (i = 0; i < pf->num_alloc_vfs; i++)
1617                 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1618                         return true;
1619         return false;
1620 }
1621
1622 static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1623 {
1624         struct i40e_vsi **vsi = pf->vsi;
1625         int i;
1626
1627         for (i = 0; i < pf->num_alloc_vsi; i++) {
1628                 if (!vsi[i])
1629                         continue;
1630                 if (vsi[i]->type == I40E_VSI_VMDQ2)
1631                         return true;
1632         }
1633
1634         return false;
1635 }
1636
1637 static void i40e_diag_test(struct net_device *netdev,
1638                            struct ethtool_test *eth_test, u64 *data)
1639 {
1640         struct i40e_netdev_priv *np = netdev_priv(netdev);
1641         bool if_running = netif_running(netdev);
1642         struct i40e_pf *pf = np->vsi->back;
1643
1644         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1645                 /* Offline tests */
1646                 netif_info(pf, drv, netdev, "offline testing starting\n");
1647
1648                 set_bit(__I40E_TESTING, &pf->state);
1649
1650                 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1651                         dev_warn(&pf->pdev->dev,
1652                                  "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1653                         data[I40E_ETH_TEST_REG]         = 1;
1654                         data[I40E_ETH_TEST_EEPROM]      = 1;
1655                         data[I40E_ETH_TEST_INTR]        = 1;
1656                         data[I40E_ETH_TEST_LOOPBACK]    = 1;
1657                         data[I40E_ETH_TEST_LINK]        = 1;
1658                         eth_test->flags |= ETH_TEST_FL_FAILED;
1659                         clear_bit(__I40E_TESTING, &pf->state);
1660                         goto skip_ol_tests;
1661                 }
1662
1663                 /* If the device is online then take it offline */
1664                 if (if_running)
1665                         /* indicate we're in test mode */
1666                         dev_close(netdev);
1667                 else
1668                         /* This reset does not affect link - if it is
1669                          * changed to a type of reset that does affect
1670                          * link then the following link test would have
1671                          * to be moved to before the reset
1672                          */
1673                         i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1674
1675                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1676                         eth_test->flags |= ETH_TEST_FL_FAILED;
1677
1678                 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1679                         eth_test->flags |= ETH_TEST_FL_FAILED;
1680
1681                 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1682                         eth_test->flags |= ETH_TEST_FL_FAILED;
1683
1684                 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
1685                         eth_test->flags |= ETH_TEST_FL_FAILED;
1686
1687                 /* run reg test last, a reset is required after it */
1688                 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1689                         eth_test->flags |= ETH_TEST_FL_FAILED;
1690
1691                 clear_bit(__I40E_TESTING, &pf->state);
1692                 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1693
1694                 if (if_running)
1695                         dev_open(netdev);
1696         } else {
1697                 /* Online tests */
1698                 netif_info(pf, drv, netdev, "online testing starting\n");
1699
1700                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1701                         eth_test->flags |= ETH_TEST_FL_FAILED;
1702
1703                 /* Offline only tests, not run in online; pass by default */
1704                 data[I40E_ETH_TEST_REG] = 0;
1705                 data[I40E_ETH_TEST_EEPROM] = 0;
1706                 data[I40E_ETH_TEST_INTR] = 0;
1707                 data[I40E_ETH_TEST_LOOPBACK] = 0;
1708         }
1709
1710 skip_ol_tests:
1711
1712         netif_info(pf, drv, netdev, "testing finished\n");
1713 }
1714
1715 static void i40e_get_wol(struct net_device *netdev,
1716                          struct ethtool_wolinfo *wol)
1717 {
1718         struct i40e_netdev_priv *np = netdev_priv(netdev);
1719         struct i40e_pf *pf = np->vsi->back;
1720         struct i40e_hw *hw = &pf->hw;
1721         u16 wol_nvm_bits;
1722
1723         /* NVM bit on means WoL disabled for the port */
1724         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1725         if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1726                 wol->supported = 0;
1727                 wol->wolopts = 0;
1728         } else {
1729                 wol->supported = WAKE_MAGIC;
1730                 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1731         }
1732 }
1733
1734 /**
1735  * i40e_set_wol - set the WakeOnLAN configuration
1736  * @netdev: the netdev in question
1737  * @wol: the ethtool WoL setting data
1738  **/
1739 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1740 {
1741         struct i40e_netdev_priv *np = netdev_priv(netdev);
1742         struct i40e_pf *pf = np->vsi->back;
1743         struct i40e_vsi *vsi = np->vsi;
1744         struct i40e_hw *hw = &pf->hw;
1745         u16 wol_nvm_bits;
1746
1747         /* WoL not supported if this isn't the controlling PF on the port */
1748         if (hw->partition_id != 1) {
1749                 i40e_partition_setting_complaint(pf);
1750                 return -EOPNOTSUPP;
1751         }
1752
1753         if (vsi != pf->vsi[pf->lan_vsi])
1754                 return -EOPNOTSUPP;
1755
1756         /* NVM bit on means WoL disabled for the port */
1757         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1758         if (BIT(hw->port) & wol_nvm_bits)
1759                 return -EOPNOTSUPP;
1760
1761         /* only magic packet is supported */
1762         if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1763                 return -EOPNOTSUPP;
1764
1765         /* is this a new value? */
1766         if (pf->wol_en != !!wol->wolopts) {
1767                 pf->wol_en = !!wol->wolopts;
1768                 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1769         }
1770
1771         return 0;
1772 }
1773
1774 static int i40e_set_phys_id(struct net_device *netdev,
1775                             enum ethtool_phys_id_state state)
1776 {
1777         struct i40e_netdev_priv *np = netdev_priv(netdev);
1778         struct i40e_pf *pf = np->vsi->back;
1779         struct i40e_hw *hw = &pf->hw;
1780         int blink_freq = 2;
1781
1782         switch (state) {
1783         case ETHTOOL_ID_ACTIVE:
1784                 pf->led_status = i40e_led_get(hw);
1785                 return blink_freq;
1786         case ETHTOOL_ID_ON:
1787                 i40e_led_set(hw, 0xF, false);
1788                 break;
1789         case ETHTOOL_ID_OFF:
1790                 i40e_led_set(hw, 0x0, false);
1791                 break;
1792         case ETHTOOL_ID_INACTIVE:
1793                 i40e_led_set(hw, pf->led_status, false);
1794                 break;
1795         default:
1796                 break;
1797         }
1798
1799         return 0;
1800 }
1801
1802 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1803  * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1804  * 125us (8000 interrupts per second) == ITR(62)
1805  */
1806
1807 static int i40e_get_coalesce(struct net_device *netdev,
1808                              struct ethtool_coalesce *ec)
1809 {
1810         struct i40e_netdev_priv *np = netdev_priv(netdev);
1811         struct i40e_vsi *vsi = np->vsi;
1812
1813         ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1814         ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1815
1816         if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
1817                 ec->use_adaptive_rx_coalesce = 1;
1818
1819         if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
1820                 ec->use_adaptive_tx_coalesce = 1;
1821
1822         ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
1823         ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
1824
1825         return 0;
1826 }
1827
1828 static int i40e_set_coalesce(struct net_device *netdev,
1829                              struct ethtool_coalesce *ec)
1830 {
1831         struct i40e_netdev_priv *np = netdev_priv(netdev);
1832         struct i40e_q_vector *q_vector;
1833         struct i40e_vsi *vsi = np->vsi;
1834         struct i40e_pf *pf = vsi->back;
1835         struct i40e_hw *hw = &pf->hw;
1836         u16 vector;
1837         int i;
1838
1839         if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
1840                 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
1841
1842         vector = vsi->base_vector;
1843         if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1844             (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1845                 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1846         } else if (ec->rx_coalesce_usecs == 0) {
1847                 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1848                 if (ec->use_adaptive_rx_coalesce)
1849                         netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
1850         } else {
1851                 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
1852                 return -EINVAL;
1853         }
1854
1855         if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1856             (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1857                 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1858         } else if (ec->tx_coalesce_usecs == 0) {
1859                 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1860                 if (ec->use_adaptive_tx_coalesce)
1861                         netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
1862         } else {
1863                 netif_info(pf, drv, netdev,
1864                            "Invalid value, tx-usecs range is 0-8160\n");
1865                 return -EINVAL;
1866         }
1867
1868         if (ec->use_adaptive_rx_coalesce)
1869                 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
1870         else
1871                 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
1872
1873         if (ec->use_adaptive_tx_coalesce)
1874                 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
1875         else
1876                 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
1877
1878         for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
1879                 q_vector = vsi->q_vectors[i];
1880                 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
1881                 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
1882                 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
1883                 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
1884                 i40e_flush(hw);
1885         }
1886
1887         return 0;
1888 }
1889
1890 /**
1891  * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1892  * @pf: pointer to the physical function struct
1893  * @cmd: ethtool rxnfc command
1894  *
1895  * Returns Success if the flow is supported, else Invalid Input.
1896  **/
1897 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
1898 {
1899         cmd->data = 0;
1900
1901         if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
1902                 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
1903                 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
1904                 return 0;
1905         }
1906         /* Report default options for RSS on i40e */
1907         switch (cmd->flow_type) {
1908         case TCP_V4_FLOW:
1909         case UDP_V4_FLOW:
1910                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1911         /* fall through to add IP fields */
1912         case SCTP_V4_FLOW:
1913         case AH_ESP_V4_FLOW:
1914         case AH_V4_FLOW:
1915         case ESP_V4_FLOW:
1916         case IPV4_FLOW:
1917                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1918                 break;
1919         case TCP_V6_FLOW:
1920         case UDP_V6_FLOW:
1921                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1922         /* fall through to add IP fields */
1923         case SCTP_V6_FLOW:
1924         case AH_ESP_V6_FLOW:
1925         case AH_V6_FLOW:
1926         case ESP_V6_FLOW:
1927         case IPV6_FLOW:
1928                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1929                 break;
1930         default:
1931                 return -EINVAL;
1932         }
1933
1934         return 0;
1935 }
1936
1937 /**
1938  * i40e_get_ethtool_fdir_all - Populates the rule count of a command
1939  * @pf: Pointer to the physical function struct
1940  * @cmd: The command to get or set Rx flow classification rules
1941  * @rule_locs: Array of used rule locations
1942  *
1943  * This function populates both the total and actual rule count of
1944  * the ethtool flow classification command
1945  *
1946  * Returns 0 on success or -EMSGSIZE if entry not found
1947  **/
1948 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
1949                                      struct ethtool_rxnfc *cmd,
1950                                      u32 *rule_locs)
1951 {
1952         struct i40e_fdir_filter *rule;
1953         struct hlist_node *node2;
1954         int cnt = 0;
1955
1956         /* report total rule count */
1957         cmd->data = i40e_get_fd_cnt_all(pf);
1958
1959         hlist_for_each_entry_safe(rule, node2,
1960                                   &pf->fdir_filter_list, fdir_node) {
1961                 if (cnt == cmd->rule_cnt)
1962                         return -EMSGSIZE;
1963
1964                 rule_locs[cnt] = rule->fd_id;
1965                 cnt++;
1966         }
1967
1968         cmd->rule_cnt = cnt;
1969
1970         return 0;
1971 }
1972
1973 /**
1974  * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
1975  * @pf: Pointer to the physical function struct
1976  * @cmd: The command to get or set Rx flow classification rules
1977  *
1978  * This function looks up a filter based on the Rx flow classification
1979  * command and fills the flow spec info for it if found
1980  *
1981  * Returns 0 on success or -EINVAL if filter not found
1982  **/
1983 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
1984                                        struct ethtool_rxnfc *cmd)
1985 {
1986         struct ethtool_rx_flow_spec *fsp =
1987                         (struct ethtool_rx_flow_spec *)&cmd->fs;
1988         struct i40e_fdir_filter *rule = NULL;
1989         struct hlist_node *node2;
1990
1991         hlist_for_each_entry_safe(rule, node2,
1992                                   &pf->fdir_filter_list, fdir_node) {
1993                 if (fsp->location <= rule->fd_id)
1994                         break;
1995         }
1996
1997         if (!rule || fsp->location != rule->fd_id)
1998                 return -EINVAL;
1999
2000         fsp->flow_type = rule->flow_type;
2001         if (fsp->flow_type == IP_USER_FLOW) {
2002                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2003                 fsp->h_u.usr_ip4_spec.proto = 0;
2004                 fsp->m_u.usr_ip4_spec.proto = 0;
2005         }
2006
2007         /* Reverse the src and dest notion, since the HW views them from
2008          * Tx perspective where as the user expects it from Rx filter view.
2009          */
2010         fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2011         fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
2012         fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
2013         fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
2014
2015         if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2016                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2017         else
2018                 fsp->ring_cookie = rule->q_index;
2019
2020         if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2021                 struct i40e_vsi *vsi;
2022
2023                 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2024                 if (vsi && vsi->type == I40E_VSI_SRIOV) {
2025                         fsp->h_ext.data[1] = htonl(vsi->vf_id);
2026                         fsp->m_ext.data[1] = htonl(0x1);
2027                 }
2028         }
2029
2030         return 0;
2031 }
2032
2033 /**
2034  * i40e_get_rxnfc - command to get RX flow classification rules
2035  * @netdev: network interface device structure
2036  * @cmd: ethtool rxnfc command
2037  *
2038  * Returns Success if the command is supported.
2039  **/
2040 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2041                           u32 *rule_locs)
2042 {
2043         struct i40e_netdev_priv *np = netdev_priv(netdev);
2044         struct i40e_vsi *vsi = np->vsi;
2045         struct i40e_pf *pf = vsi->back;
2046         int ret = -EOPNOTSUPP;
2047
2048         switch (cmd->cmd) {
2049         case ETHTOOL_GRXRINGS:
2050                 cmd->data = vsi->alloc_queue_pairs;
2051                 ret = 0;
2052                 break;
2053         case ETHTOOL_GRXFH:
2054                 ret = i40e_get_rss_hash_opts(pf, cmd);
2055                 break;
2056         case ETHTOOL_GRXCLSRLCNT:
2057                 cmd->rule_cnt = pf->fdir_pf_active_filters;
2058                 /* report total rule count */
2059                 cmd->data = i40e_get_fd_cnt_all(pf);
2060                 ret = 0;
2061                 break;
2062         case ETHTOOL_GRXCLSRULE:
2063                 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2064                 break;
2065         case ETHTOOL_GRXCLSRLALL:
2066                 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2067                 break;
2068         default:
2069                 break;
2070         }
2071
2072         return ret;
2073 }
2074
2075 /**
2076  * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2077  * @pf: pointer to the physical function struct
2078  * @cmd: ethtool rxnfc command
2079  *
2080  * Returns Success if the flow input set is supported.
2081  **/
2082 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2083 {
2084         struct i40e_hw *hw = &pf->hw;
2085         u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
2086                    ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
2087
2088         /* RSS does not support anything other than hashing
2089          * to queues on src and dst IPs and ports
2090          */
2091         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2092                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2093                 return -EINVAL;
2094
2095         /* We need at least the IP SRC and DEST fields for hashing */
2096         if (!(nfc->data & RXH_IP_SRC) ||
2097             !(nfc->data & RXH_IP_DST))
2098                 return -EINVAL;
2099
2100         switch (nfc->flow_type) {
2101         case TCP_V4_FLOW:
2102                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2103                 case 0:
2104                         hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2105                         break;
2106                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2107                         hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2108                         break;
2109                 default:
2110                         return -EINVAL;
2111                 }
2112                 break;
2113         case TCP_V6_FLOW:
2114                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2115                 case 0:
2116                         hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2117                         break;
2118                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2119                         hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2120                         break;
2121                 default:
2122                         return -EINVAL;
2123                 }
2124                 break;
2125         case UDP_V4_FLOW:
2126                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2127                 case 0:
2128                         hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2129                                   BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2130                         break;
2131                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2132                         hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2133                                  BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2134                         break;
2135                 default:
2136                         return -EINVAL;
2137                 }
2138                 break;
2139         case UDP_V6_FLOW:
2140                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2141                 case 0:
2142                         hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2143                                   BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2144                         break;
2145                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2146                         hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2147                                  BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2148                         break;
2149                 default:
2150                         return -EINVAL;
2151                 }
2152                 break;
2153         case AH_ESP_V4_FLOW:
2154         case AH_V4_FLOW:
2155         case ESP_V4_FLOW:
2156         case SCTP_V4_FLOW:
2157                 if ((nfc->data & RXH_L4_B_0_1) ||
2158                     (nfc->data & RXH_L4_B_2_3))
2159                         return -EINVAL;
2160                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2161                 break;
2162         case AH_ESP_V6_FLOW:
2163         case AH_V6_FLOW:
2164         case ESP_V6_FLOW:
2165         case SCTP_V6_FLOW:
2166                 if ((nfc->data & RXH_L4_B_0_1) ||
2167                     (nfc->data & RXH_L4_B_2_3))
2168                         return -EINVAL;
2169                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2170                 break;
2171         case IPV4_FLOW:
2172                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2173                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2174                 break;
2175         case IPV6_FLOW:
2176                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2177                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2178                 break;
2179         default:
2180                 return -EINVAL;
2181         }
2182
2183         wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
2184         wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2185         i40e_flush(hw);
2186
2187         /* Save setting for future output/update */
2188         pf->vsi[pf->lan_vsi]->rxnfc = *nfc;
2189
2190         return 0;
2191 }
2192
2193 /**
2194  * i40e_match_fdir_input_set - Match a new filter against an existing one
2195  * @rule: The filter already added
2196  * @input: The new filter to comapre against
2197  *
2198  * Returns true if the two input set match
2199  **/
2200 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2201                                       struct i40e_fdir_filter *input)
2202 {
2203         if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2204             (rule->src_ip[0] != input->src_ip[0]) ||
2205             (rule->dst_port != input->dst_port) ||
2206             (rule->src_port != input->src_port))
2207                 return false;
2208         return true;
2209 }
2210
2211 /**
2212  * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2213  * @vsi: Pointer to the targeted VSI
2214  * @input: The filter to update or NULL to indicate deletion
2215  * @sw_idx: Software index to the filter
2216  * @cmd: The command to get or set Rx flow classification rules
2217  *
2218  * This function updates (or deletes) a Flow Director entry from
2219  * the hlist of the corresponding PF
2220  *
2221  * Returns 0 on success
2222  **/
2223 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2224                                           struct i40e_fdir_filter *input,
2225                                           u16 sw_idx,
2226                                           struct ethtool_rxnfc *cmd)
2227 {
2228         struct i40e_fdir_filter *rule, *parent;
2229         struct i40e_pf *pf = vsi->back;
2230         struct hlist_node *node2;
2231         int err = -EINVAL;
2232
2233         parent = NULL;
2234         rule = NULL;
2235
2236         hlist_for_each_entry_safe(rule, node2,
2237                                   &pf->fdir_filter_list, fdir_node) {
2238                 /* hash found, or no matching entry */
2239                 if (rule->fd_id >= sw_idx)
2240                         break;
2241                 parent = rule;
2242         }
2243
2244         /* if there is an old rule occupying our place remove it */
2245         if (rule && (rule->fd_id == sw_idx)) {
2246                 if (input && !i40e_match_fdir_input_set(rule, input))
2247                         err = i40e_add_del_fdir(vsi, rule, false);
2248                 else if (!input)
2249                         err = i40e_add_del_fdir(vsi, rule, false);
2250                 hlist_del(&rule->fdir_node);
2251                 kfree(rule);
2252                 pf->fdir_pf_active_filters--;
2253         }
2254
2255         /* If no input this was a delete, err should be 0 if a rule was
2256          * successfully found and removed from the list else -EINVAL
2257          */
2258         if (!input)
2259                 return err;
2260
2261         /* initialize node and set software index */
2262         INIT_HLIST_NODE(&input->fdir_node);
2263
2264         /* add filter to the list */
2265         if (parent)
2266                 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2267         else
2268                 hlist_add_head(&input->fdir_node,
2269                                &pf->fdir_filter_list);
2270
2271         /* update counts */
2272         pf->fdir_pf_active_filters++;
2273
2274         return 0;
2275 }
2276
2277 /**
2278  * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2279  * @vsi: Pointer to the targeted VSI
2280  * @cmd: The command to get or set Rx flow classification rules
2281  *
2282  * The function removes a Flow Director filter entry from the
2283  * hlist of the corresponding PF
2284  *
2285  * Returns 0 on success
2286  */
2287 static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2288                                struct ethtool_rxnfc *cmd)
2289 {
2290         struct ethtool_rx_flow_spec *fsp =
2291                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2292         struct i40e_pf *pf = vsi->back;
2293         int ret = 0;
2294
2295         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2296             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2297                 return -EBUSY;
2298
2299         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2300                 return -EBUSY;
2301
2302         ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2303
2304         i40e_fdir_check_and_reenable(pf);
2305         return ret;
2306 }
2307
2308 /**
2309  * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2310  * @vsi: pointer to the targeted VSI
2311  * @cmd: command to get or set RX flow classification rules
2312  *
2313  * Add Flow Director filters for a specific flow spec based on their
2314  * protocol.  Returns 0 if the filters were successfully added.
2315  **/
2316 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2317                                  struct ethtool_rxnfc *cmd)
2318 {
2319         struct ethtool_rx_flow_spec *fsp;
2320         struct i40e_fdir_filter *input;
2321         struct i40e_pf *pf;
2322         int ret = -EINVAL;
2323         u16 vf_id;
2324
2325         if (!vsi)
2326                 return -EINVAL;
2327
2328         pf = vsi->back;
2329
2330         if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2331                 return -EOPNOTSUPP;
2332
2333         if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2334                 return -ENOSPC;
2335
2336         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2337             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2338                 return -EBUSY;
2339
2340         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2341                 return -EBUSY;
2342
2343         fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2344
2345         if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2346                               pf->hw.func_caps.fd_filters_guaranteed)) {
2347                 return -EINVAL;
2348         }
2349
2350         if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2351             (fsp->ring_cookie >= vsi->num_queue_pairs))
2352                 return -EINVAL;
2353
2354         input = kzalloc(sizeof(*input), GFP_KERNEL);
2355
2356         if (!input)
2357                 return -ENOMEM;
2358
2359         input->fd_id = fsp->location;
2360
2361         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2362                 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2363         else
2364                 input->dest_ctl =
2365                              I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2366
2367         input->q_index = fsp->ring_cookie;
2368         input->flex_off = 0;
2369         input->pctype = 0;
2370         input->dest_vsi = vsi->id;
2371         input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2372         input->cnt_index  = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2373         input->flow_type = fsp->flow_type;
2374         input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2375
2376         /* Reverse the src and dest notion, since the HW expects them to be from
2377          * Tx perspective where as the input from user is from Rx filter view.
2378          */
2379         input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2380         input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2381         input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2382         input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2383
2384         if (ntohl(fsp->m_ext.data[1])) {
2385                 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) {
2386                         netif_info(pf, drv, vsi->netdev, "Invalid VF id\n");
2387                         goto free_input;
2388                 }
2389                 vf_id = ntohl(fsp->h_ext.data[1]);
2390                 /* Find vsi id from vf id and override dest vsi */
2391                 input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2392                 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2393                         netif_info(pf, drv, vsi->netdev, "Invalid queue id\n");
2394                         goto free_input;
2395                 }
2396         }
2397
2398         ret = i40e_add_del_fdir(vsi, input, true);
2399 free_input:
2400         if (ret)
2401                 kfree(input);
2402         else
2403                 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2404
2405         return ret;
2406 }
2407
2408 /**
2409  * i40e_set_rxnfc - command to set RX flow classification rules
2410  * @netdev: network interface device structure
2411  * @cmd: ethtool rxnfc command
2412  *
2413  * Returns Success if the command is supported.
2414  **/
2415 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2416 {
2417         struct i40e_netdev_priv *np = netdev_priv(netdev);
2418         struct i40e_vsi *vsi = np->vsi;
2419         struct i40e_pf *pf = vsi->back;
2420         int ret = -EOPNOTSUPP;
2421
2422         switch (cmd->cmd) {
2423         case ETHTOOL_SRXFH:
2424                 ret = i40e_set_rss_hash_opt(pf, cmd);
2425                 break;
2426         case ETHTOOL_SRXCLSRLINS:
2427                 ret = i40e_add_fdir_ethtool(vsi, cmd);
2428                 break;
2429         case ETHTOOL_SRXCLSRLDEL:
2430                 ret = i40e_del_fdir_entry(vsi, cmd);
2431                 break;
2432         default:
2433                 break;
2434         }
2435
2436         return ret;
2437 }
2438
2439 /**
2440  * i40e_max_channels - get Max number of combined channels supported
2441  * @vsi: vsi pointer
2442  **/
2443 static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2444 {
2445         /* TODO: This code assumes DCB and FD is disabled for now. */
2446         return vsi->alloc_queue_pairs;
2447 }
2448
2449 /**
2450  * i40e_get_channels - Get the current channels enabled and max supported etc.
2451  * @netdev: network interface device structure
2452  * @ch: ethtool channels structure
2453  *
2454  * We don't support separate tx and rx queues as channels. The other count
2455  * represents how many queues are being used for control. max_combined counts
2456  * how many queue pairs we can support. They may not be mapped 1 to 1 with
2457  * q_vectors since we support a lot more queue pairs than q_vectors.
2458  **/
2459 static void i40e_get_channels(struct net_device *dev,
2460                                struct ethtool_channels *ch)
2461 {
2462         struct i40e_netdev_priv *np = netdev_priv(dev);
2463         struct i40e_vsi *vsi = np->vsi;
2464         struct i40e_pf *pf = vsi->back;
2465
2466         /* report maximum channels */
2467         ch->max_combined = i40e_max_channels(vsi);
2468
2469         /* report info for other vector */
2470         ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2471         ch->max_other = ch->other_count;
2472
2473         /* Note: This code assumes DCB is disabled for now. */
2474         ch->combined_count = vsi->num_queue_pairs;
2475 }
2476
2477 /**
2478  * i40e_set_channels - Set the new channels count.
2479  * @netdev: network interface device structure
2480  * @ch: ethtool channels structure
2481  *
2482  * The new channels count may not be the same as requested by the user
2483  * since it gets rounded down to a power of 2 value.
2484  **/
2485 static int i40e_set_channels(struct net_device *dev,
2486                               struct ethtool_channels *ch)
2487 {
2488         struct i40e_netdev_priv *np = netdev_priv(dev);
2489         unsigned int count = ch->combined_count;
2490         struct i40e_vsi *vsi = np->vsi;
2491         struct i40e_pf *pf = vsi->back;
2492         int new_count;
2493
2494         /* We do not support setting channels for any other VSI at present */
2495         if (vsi->type != I40E_VSI_MAIN)
2496                 return -EINVAL;
2497
2498         /* verify they are not requesting separate vectors */
2499         if (!count || ch->rx_count || ch->tx_count)
2500                 return -EINVAL;
2501
2502         /* verify other_count has not changed */
2503         if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2504                 return -EINVAL;
2505
2506         /* verify the number of channels does not exceed hardware limits */
2507         if (count > i40e_max_channels(vsi))
2508                 return -EINVAL;
2509
2510         /* update feature limits from largest to smallest supported values */
2511         /* TODO: Flow director limit, DCB etc */
2512
2513         /* use rss_reconfig to rebuild with new queue count and update traffic
2514          * class queue mapping
2515          */
2516         new_count = i40e_reconfig_rss_queues(pf, count);
2517         if (new_count > 0)
2518                 return 0;
2519         else
2520                 return -EINVAL;
2521 }
2522
2523 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
2524 /**
2525  * i40e_get_rxfh_key_size - get the RSS hash key size
2526  * @netdev: network interface device structure
2527  *
2528  * Returns the table size.
2529  **/
2530 static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2531 {
2532         return I40E_HKEY_ARRAY_SIZE;
2533 }
2534
2535 /**
2536  * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2537  * @netdev: network interface device structure
2538  *
2539  * Returns the table size.
2540  **/
2541 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2542 {
2543         return I40E_HLUT_ARRAY_SIZE;
2544 }
2545
2546 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2547                          u8 *hfunc)
2548 {
2549         struct i40e_netdev_priv *np = netdev_priv(netdev);
2550         struct i40e_vsi *vsi = np->vsi;
2551         struct i40e_pf *pf = vsi->back;
2552         struct i40e_hw *hw = &pf->hw;
2553         u32 reg_val;
2554         int i, j;
2555
2556         if (hfunc)
2557                 *hfunc = ETH_RSS_HASH_TOP;
2558
2559         if (!indir)
2560                 return 0;
2561
2562         for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2563                 reg_val = rd32(hw, I40E_PFQF_HLUT(i));
2564                 indir[j++] = reg_val & 0xff;
2565                 indir[j++] = (reg_val >> 8) & 0xff;
2566                 indir[j++] = (reg_val >> 16) & 0xff;
2567                 indir[j++] = (reg_val >> 24) & 0xff;
2568         }
2569
2570         if (key) {
2571                 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2572                         reg_val = rd32(hw, I40E_PFQF_HKEY(i));
2573                         key[j++] = (u8)(reg_val & 0xff);
2574                         key[j++] = (u8)((reg_val >> 8) & 0xff);
2575                         key[j++] = (u8)((reg_val >> 16) & 0xff);
2576                         key[j++] = (u8)((reg_val >> 24) & 0xff);
2577                 }
2578         }
2579         return 0;
2580 }
2581
2582 /**
2583  * i40e_set_rxfh - set the rx flow hash indirection table
2584  * @netdev: network interface device structure
2585  * @indir: indirection table
2586  * @key: hash key
2587  *
2588  * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2589  * returns 0 after programming the table.
2590  **/
2591 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2592                          const u8 *key, const u8 hfunc)
2593 {
2594         struct i40e_netdev_priv *np = netdev_priv(netdev);
2595         struct i40e_vsi *vsi = np->vsi;
2596         struct i40e_pf *pf = vsi->back;
2597         struct i40e_hw *hw = &pf->hw;
2598         u32 reg_val;
2599         int i, j;
2600
2601         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
2602                 return -EOPNOTSUPP;
2603
2604         if (!indir)
2605                 return 0;
2606
2607         for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2608                 reg_val = indir[j++];
2609                 reg_val |= indir[j++] << 8;
2610                 reg_val |= indir[j++] << 16;
2611                 reg_val |= indir[j++] << 24;
2612                 wr32(hw, I40E_PFQF_HLUT(i), reg_val);
2613         }
2614
2615         if (key) {
2616                 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2617                         reg_val = key[j++];
2618                         reg_val |= key[j++] << 8;
2619                         reg_val |= key[j++] << 16;
2620                         reg_val |= key[j++] << 24;
2621                         wr32(hw, I40E_PFQF_HKEY(i), reg_val);
2622                 }
2623         }
2624         return 0;
2625 }
2626
2627 /**
2628  * i40e_get_priv_flags - report device private flags
2629  * @dev: network interface device structure
2630  *
2631  * The get string set count and the string set should be matched for each
2632  * flag returned.  Add new strings for each flag to the i40e_priv_flags_strings
2633  * array.
2634  *
2635  * Returns a u32 bitmap of flags.
2636  **/
2637 static u32 i40e_get_priv_flags(struct net_device *dev)
2638 {
2639         struct i40e_netdev_priv *np = netdev_priv(dev);
2640         struct i40e_vsi *vsi = np->vsi;
2641         struct i40e_pf *pf = vsi->back;
2642         u32 ret_flags = 0;
2643
2644         ret_flags |= pf->hw.func_caps.npar_enable ?
2645                 I40E_PRIV_FLAGS_NPAR_FLAG : 0;
2646         ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ?
2647                 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0;
2648
2649         return ret_flags;
2650 }
2651
2652 /**
2653  * i40e_set_priv_flags - set private flags
2654  * @dev: network interface device structure
2655  * @flags: bit flags to be set
2656  **/
2657 static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
2658 {
2659         struct i40e_netdev_priv *np = netdev_priv(dev);
2660         struct i40e_vsi *vsi = np->vsi;
2661         struct i40e_pf *pf = vsi->back;
2662
2663         if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
2664                 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
2665         else
2666                 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;
2667
2668         return 0;
2669 }
2670
2671 static const struct ethtool_ops i40e_ethtool_ops = {
2672         .get_settings           = i40e_get_settings,
2673         .set_settings           = i40e_set_settings,
2674         .get_drvinfo            = i40e_get_drvinfo,
2675         .get_regs_len           = i40e_get_regs_len,
2676         .get_regs               = i40e_get_regs,
2677         .nway_reset             = i40e_nway_reset,
2678         .get_link               = ethtool_op_get_link,
2679         .get_wol                = i40e_get_wol,
2680         .set_wol                = i40e_set_wol,
2681         .set_eeprom             = i40e_set_eeprom,
2682         .get_eeprom_len         = i40e_get_eeprom_len,
2683         .get_eeprom             = i40e_get_eeprom,
2684         .get_ringparam          = i40e_get_ringparam,
2685         .set_ringparam          = i40e_set_ringparam,
2686         .get_pauseparam         = i40e_get_pauseparam,
2687         .set_pauseparam         = i40e_set_pauseparam,
2688         .get_msglevel           = i40e_get_msglevel,
2689         .set_msglevel           = i40e_set_msglevel,
2690         .get_rxnfc              = i40e_get_rxnfc,
2691         .set_rxnfc              = i40e_set_rxnfc,
2692         .self_test              = i40e_diag_test,
2693         .get_strings            = i40e_get_strings,
2694         .set_phys_id            = i40e_set_phys_id,
2695         .get_sset_count         = i40e_get_sset_count,
2696         .get_ethtool_stats      = i40e_get_ethtool_stats,
2697         .get_coalesce           = i40e_get_coalesce,
2698         .set_coalesce           = i40e_set_coalesce,
2699         .get_rxfh_key_size      = i40e_get_rxfh_key_size,
2700         .get_rxfh_indir_size    = i40e_get_rxfh_indir_size,
2701         .get_rxfh               = i40e_get_rxfh,
2702         .set_rxfh               = i40e_set_rxfh,
2703         .get_channels           = i40e_get_channels,
2704         .set_channels           = i40e_set_channels,
2705         .get_ts_info            = i40e_get_ts_info,
2706         .get_priv_flags         = i40e_get_priv_flags,
2707         .set_priv_flags         = i40e_set_priv_flags,
2708 };
2709
2710 void i40e_set_ethtool_ops(struct net_device *netdev)
2711 {
2712         netdev->ethtool_ops = &i40e_ethtool_ops;
2713 }