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 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
  94  * but they are separate.  This device supports Virtualization, and
  95  * as such might have several netdevs supporting VMDq and FCoE going
  96  * through a single port.  The NETDEV_STATs are for individual netdevs
  97  * seen at the top of the stack, and the PF_STATs are for the physical
  98  * function at the bottom of the stack hosting those netdevs.
  99  *
 100  * The PF_STATs are appended to the netdev stats only when ethtool -S
 101  * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
 102  */
 103 static struct i40e_stats i40e_gstrings_stats[] = {
 104         I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
 105         I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
 106         I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
 107         I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
 108         I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
 109         I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
 110         I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
 111         I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
 112         I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
 113         I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
 114         I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
 115         I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
 116         I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
 117         I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
 118         I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
 119         I40E_PF_STAT("tx_timeout", tx_timeout_count),
 120         I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
 121         I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
 122         I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
 123         I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
 124         I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
 125         I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
 126         I40E_PF_STAT("rx_size_64", stats.rx_size_64),
 127         I40E_PF_STAT("rx_size_127", stats.rx_size_127),
 128         I40E_PF_STAT("rx_size_255", stats.rx_size_255),
 129         I40E_PF_STAT("rx_size_511", stats.rx_size_511),
 130         I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
 131         I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
 132         I40E_PF_STAT("rx_size_big", stats.rx_size_big),
 133         I40E_PF_STAT("tx_size_64", stats.tx_size_64),
 134         I40E_PF_STAT("tx_size_127", stats.tx_size_127),
 135         I40E_PF_STAT("tx_size_255", stats.tx_size_255),
 136         I40E_PF_STAT("tx_size_511", stats.tx_size_511),
 137         I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
 138         I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
 139         I40E_PF_STAT("tx_size_big", stats.tx_size_big),
 140         I40E_PF_STAT("rx_undersize", stats.rx_undersize),
 141         I40E_PF_STAT("rx_fragments", stats.rx_fragments),
 142         I40E_PF_STAT("rx_oversize", stats.rx_oversize),
 143         I40E_PF_STAT("rx_jabber", stats.rx_jabber),
 144         I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
 145         I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
 146         I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
 147         I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
 148         I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
 149         I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
 150         I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
 151         I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
 152
 153         /* LPI stats */
 154         I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
 155         I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
 156         I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
 157         I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
 158 };
 159
 160 #ifdef I40E_FCOE
 161 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
 162         I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
 163         I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
 164         I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
 165         I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
 166         I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
 167         I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
 168         I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
 169         I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
 170 };
 171
 172 #endif /* I40E_FCOE */
 173 #define I40E_QUEUE_STATS_LEN(n) \
 174         (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
 175             * 2 /* Tx and Rx together */                                     \
 176             * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
 177 #define I40E_GLOBAL_STATS_LEN   ARRAY_SIZE(i40e_gstrings_stats)
 178 #define I40E_NETDEV_STATS_LEN   ARRAY_SIZE(i40e_gstrings_net_stats)
 179 #define I40E_MISC_STATS_LEN     ARRAY_SIZE(i40e_gstrings_misc_stats)
 180 #ifdef I40E_FCOE
 181 #define I40E_FCOE_STATS_LEN     ARRAY_SIZE(i40e_gstrings_fcoe_stats)
 182 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 183                                  I40E_FCOE_STATS_LEN + \
 184                                  I40E_MISC_STATS_LEN + \
 185                                  I40E_QUEUE_STATS_LEN((n)))
 186 #else
 187 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 188                                  I40E_MISC_STATS_LEN + \
 189                                  I40E_QUEUE_STATS_LEN((n)))
 190 #endif /* I40E_FCOE */
 191 #define I40E_PFC_STATS_LEN ( \
 192                 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
 193                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
 194                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
 195                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
 196                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
 197                  / sizeof(u64))
 198 #define I40E_VEB_TC_STATS_LEN ( \
 199                 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
 200                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
 201                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
 202                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
 203                  / sizeof(u64))
 204 #define I40E_VEB_STATS_LEN      ARRAY_SIZE(i40e_gstrings_veb_stats)
 205 #define I40E_VEB_STATS_TOTAL    (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
 206 #define I40E_PF_STATS_LEN(n)    (I40E_GLOBAL_STATS_LEN + \
 207                                  I40E_PFC_STATS_LEN + \
 208                                  I40E_VSI_STATS_LEN((n)))
 209
 210 enum i40e_ethtool_test_id {
 211         I40E_ETH_TEST_REG = 0,
 212         I40E_ETH_TEST_EEPROM,
 213         I40E_ETH_TEST_INTR,
 214         I40E_ETH_TEST_LOOPBACK,
 215         I40E_ETH_TEST_LINK,
 216 };
 217
 218 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
 219         "Register test  (offline)",
 220         "Eeprom test    (offline)",
 221         "Interrupt test (offline)",
 222         "Loopback test  (offline)",
 223         "Link test   (on/offline)"
 224 };
 225
 226 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
 227
 228 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
 229         "NPAR",
 230         "LinkPolling",
 231         "flow-director-atr",
 232         "veb-stats",
 233 };
 234
 235 #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings)
 236
 237 /**
 238  * i40e_partition_setting_complaint - generic complaint for MFP restriction
 239  * @pf: the PF struct
 240  **/
 241 static void i40e_partition_setting_complaint(struct i40e_pf *pf)
 242 {
 243         dev_info(&pf->pdev->dev,
 244                  "The link settings are allowed to be changed only from the first partition of a given port. Please switch to the first partition in order to change the setting.\n");
 245 }
 246
 247 /**
 248  * i40e_get_settings_link_up - Get the Link settings for when link is up
 249  * @hw: hw structure
 250  * @ecmd: ethtool command to fill in
 251  * @netdev: network interface device structure
 252  *
 253  **/
 254 static void i40e_get_settings_link_up(struct i40e_hw *hw,
 255                                       struct ethtool_cmd *ecmd,
 256                                       struct net_device *netdev,
 257                                       struct i40e_pf *pf)
 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_SR4:
 277                 ecmd->supported = SUPPORTED_40000baseSR4_Full;
 278                 break;
 279         case I40E_PHY_TYPE_40GBASE_LR4:
 280                 ecmd->supported = SUPPORTED_40000baseLR4_Full;
 281                 break;
 282         case I40E_PHY_TYPE_10GBASE_SR:
 283         case I40E_PHY_TYPE_10GBASE_LR:
 284         case I40E_PHY_TYPE_1000BASE_SX:
 285         case I40E_PHY_TYPE_1000BASE_LX:
 286                 ecmd->supported = SUPPORTED_10000baseT_Full;
 287                 if (hw_link_info->module_type[2] &
 288                     I40E_MODULE_TYPE_1000BASE_SX ||
 289                     hw_link_info->module_type[2] &
 290                     I40E_MODULE_TYPE_1000BASE_LX) {
 291                         ecmd->supported |= SUPPORTED_1000baseT_Full;
 292                         if (hw_link_info->requested_speeds &
 293                             I40E_LINK_SPEED_1GB)
 294                                 ecmd->advertising |= ADVERTISED_1000baseT_Full;
 295                 }
 296                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 297                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 298                 break;
 299         case I40E_PHY_TYPE_10GBASE_T:
 300         case I40E_PHY_TYPE_1000BASE_T:
 301                 ecmd->supported = SUPPORTED_Autoneg |
 302                                   SUPPORTED_10000baseT_Full |
 303                                   SUPPORTED_1000baseT_Full;
 304                 ecmd->advertising = ADVERTISED_Autoneg;
 305                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 306                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 307                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 308                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 309                 break;
 310         case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
 311                 ecmd->supported = SUPPORTED_Autoneg |
 312                                   SUPPORTED_1000baseT_Full;
 313                 ecmd->advertising = ADVERTISED_Autoneg |
 314                                     ADVERTISED_1000baseT_Full;
 315                 break;
 316         case I40E_PHY_TYPE_100BASE_TX:
 317                 ecmd->supported = SUPPORTED_Autoneg |
 318                                   SUPPORTED_100baseT_Full;
 319                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 320                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 321                 break;
 322         case I40E_PHY_TYPE_10GBASE_CR1_CU:
 323         case I40E_PHY_TYPE_10GBASE_CR1:
 324                 ecmd->supported = SUPPORTED_Autoneg |
 325                                   SUPPORTED_10000baseT_Full;
 326                 ecmd->advertising = ADVERTISED_Autoneg |
 327                                     ADVERTISED_10000baseT_Full;
 328                 break;
 329         case I40E_PHY_TYPE_XAUI:
 330         case I40E_PHY_TYPE_XFI:
 331         case I40E_PHY_TYPE_SFI:
 332         case I40E_PHY_TYPE_10GBASE_SFPP_CU:
 333         case I40E_PHY_TYPE_10GBASE_AOC:
 334                 ecmd->supported = SUPPORTED_10000baseT_Full;
 335                 break;
 336         case I40E_PHY_TYPE_SGMII:
 337                 ecmd->supported = SUPPORTED_Autoneg |
 338                                   SUPPORTED_1000baseT_Full;
 339                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 340                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 341                 if (pf->hw.mac.type == I40E_MAC_X722) {
 342                         ecmd->supported |= SUPPORTED_100baseT_Full;
 343                         if (hw_link_info->requested_speeds &
 344                             I40E_LINK_SPEED_100MB)
 345                                 ecmd->advertising |= ADVERTISED_100baseT_Full;
 346                 }
 347                 break;
 348         /* Backplane is set based on supported phy types in get_settings
 349          * so don't set anything here but don't warn either
 350          */
 351         case I40E_PHY_TYPE_40GBASE_KR4:
 352         case I40E_PHY_TYPE_20GBASE_KR2:
 353         case I40E_PHY_TYPE_10GBASE_KR:
 354         case I40E_PHY_TYPE_10GBASE_KX4:
 355         case I40E_PHY_TYPE_1000BASE_KX:
 356                 break;
 357         default:
 358                 /* if we got here and link is up something bad is afoot */
 359                 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
 360                             hw_link_info->phy_type);
 361         }
 362
 363         /* Set speed and duplex */
 364         switch (link_speed) {
 365         case I40E_LINK_SPEED_40GB:
 366                 ethtool_cmd_speed_set(ecmd, SPEED_40000);
 367                 break;
 368         case I40E_LINK_SPEED_20GB:
 369                 ethtool_cmd_speed_set(ecmd, SPEED_20000);
 370                 break;
 371         case I40E_LINK_SPEED_10GB:
 372                 ethtool_cmd_speed_set(ecmd, SPEED_10000);
 373                 break;
 374         case I40E_LINK_SPEED_1GB:
 375                 ethtool_cmd_speed_set(ecmd, SPEED_1000);
 376                 break;
 377         case I40E_LINK_SPEED_100MB:
 378                 ethtool_cmd_speed_set(ecmd, SPEED_100);
 379                 break;
 380         default:
 381                 break;
 382         }
 383         ecmd->duplex = DUPLEX_FULL;
 384 }
 385
 386 /**
 387  * i40e_get_settings_link_down - Get the Link settings for when link is down
 388  * @hw: hw structure
 389  * @ecmd: ethtool command to fill in
 390  *
 391  * Reports link settings that can be determined when link is down
 392  **/
 393 static void i40e_get_settings_link_down(struct i40e_hw *hw,
 394                                         struct ethtool_cmd *ecmd,
 395                                         struct i40e_pf *pf)
 396 {
 397         enum i40e_aq_capabilities_phy_type phy_types = hw->phy.phy_types;
 398
 399         /* link is down and the driver needs to fall back on
 400          * supported phy types to figure out what info to display
 401          */
 402         ecmd->supported = 0x0;
 403         ecmd->advertising = 0x0;
 404         if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
 405                 ecmd->supported |= SUPPORTED_Autoneg |
 406                                    SUPPORTED_1000baseT_Full;
 407                 ecmd->advertising |= ADVERTISED_Autoneg |
 408                                      ADVERTISED_1000baseT_Full;
 409                 if (pf->hw.mac.type == I40E_MAC_X722) {
 410                         ecmd->supported |= SUPPORTED_100baseT_Full;
 411                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 412                 }
 413         }
 414         if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
 415             phy_types & I40E_CAP_PHY_TYPE_XFI ||
 416             phy_types & I40E_CAP_PHY_TYPE_SFI ||
 417             phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
 418             phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC)
 419                 ecmd->supported |= SUPPORTED_10000baseT_Full;
 420         if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
 421             phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
 422             phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
 423             phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
 424             phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
 425                 ecmd->supported |= SUPPORTED_Autoneg |
 426                                    SUPPORTED_10000baseT_Full;
 427                 ecmd->advertising |= ADVERTISED_Autoneg |
 428                                      ADVERTISED_10000baseT_Full;
 429         }
 430         if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
 431             phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
 432             phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
 433                 ecmd->supported |= SUPPORTED_40000baseCR4_Full;
 434         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
 435             phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
 436                 ecmd->supported |= SUPPORTED_Autoneg |
 437                                   SUPPORTED_40000baseCR4_Full;
 438                 ecmd->advertising |= ADVERTISED_Autoneg |
 439                                     ADVERTISED_40000baseCR4_Full;
 440         }
 441         if ((phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) &&
 442             !(phy_types & I40E_CAP_PHY_TYPE_1000BASE_T)) {
 443                 ecmd->supported |= SUPPORTED_Autoneg |
 444                                    SUPPORTED_100baseT_Full;
 445                 ecmd->advertising |= ADVERTISED_Autoneg |
 446                                      ADVERTISED_100baseT_Full;
 447         }
 448         if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
 449             phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
 450             phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
 451             phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
 452                 ecmd->supported |= SUPPORTED_Autoneg |
 453                                    SUPPORTED_1000baseT_Full;
 454                 ecmd->advertising |= ADVERTISED_Autoneg |
 455                                      ADVERTISED_1000baseT_Full;
 456         }
 457         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
 458                 ecmd->supported |= SUPPORTED_40000baseSR4_Full;
 459         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
 460                 ecmd->supported |= SUPPORTED_40000baseLR4_Full;
 461
 462         /* With no link speed and duplex are unknown */
 463         ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
 464         ecmd->duplex = DUPLEX_UNKNOWN;
 465 }
 466
 467 /**
 468  * i40e_get_settings - Get Link Speed and Duplex settings
 469  * @netdev: network interface device structure
 470  * @ecmd: ethtool command
 471  *
 472  * Reports speed/duplex settings based on media_type
 473  **/
 474 static int i40e_get_settings(struct net_device *netdev,
 475                              struct ethtool_cmd *ecmd)
 476 {
 477         struct i40e_netdev_priv *np = netdev_priv(netdev);
 478         struct i40e_pf *pf = np->vsi->back;
 479         struct i40e_hw *hw = &pf->hw;
 480         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 481         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 482
 483         if (link_up)
 484                 i40e_get_settings_link_up(hw, ecmd, netdev, pf);
 485         else
 486                 i40e_get_settings_link_down(hw, ecmd, pf);
 487
 488         /* Now set the settings that don't rely on link being up/down */
 489
 490         /* For backplane, supported and advertised are only reliant on the
 491          * phy types the NVM specifies are supported.
 492          */
 493         if (hw->device_id == I40E_DEV_ID_KX_B ||
 494             hw->device_id == I40E_DEV_ID_KX_C ||
 495             hw->device_id == I40E_DEV_ID_20G_KR2 ||
 496             hw->device_id ==  I40E_DEV_ID_20G_KR2_A) {
 497                 ecmd->supported = SUPPORTED_Autoneg;
 498                 ecmd->advertising = ADVERTISED_Autoneg;
 499                 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
 500                         ecmd->supported |= SUPPORTED_40000baseKR4_Full;
 501                         ecmd->advertising |= ADVERTISED_40000baseKR4_Full;
 502                 }
 503                 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
 504                         ecmd->supported |= SUPPORTED_20000baseKR2_Full;
 505                         ecmd->advertising |= ADVERTISED_20000baseKR2_Full;
 506                 }
 507                 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
 508                         ecmd->supported |= SUPPORTED_10000baseKR_Full;
 509                         ecmd->advertising |= ADVERTISED_10000baseKR_Full;
 510                 }
 511                 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
 512                         ecmd->supported |= SUPPORTED_10000baseKX4_Full;
 513                         ecmd->advertising |= ADVERTISED_10000baseKX4_Full;
 514                 }
 515                 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
 516                         ecmd->supported |= SUPPORTED_1000baseKX_Full;
 517                         ecmd->advertising |= ADVERTISED_1000baseKX_Full;
 518                 }
 519         }
 520
 521         /* Set autoneg settings */
 522         ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 523                           AUTONEG_ENABLE : AUTONEG_DISABLE);
 524
 525         switch (hw->phy.media_type) {
 526         case I40E_MEDIA_TYPE_BACKPLANE:
 527                 ecmd->supported |= SUPPORTED_Autoneg |
 528                                    SUPPORTED_Backplane;
 529                 ecmd->advertising |= ADVERTISED_Autoneg |
 530                                      ADVERTISED_Backplane;
 531                 ecmd->port = PORT_NONE;
 532                 break;
 533         case I40E_MEDIA_TYPE_BASET:
 534                 ecmd->supported |= SUPPORTED_TP;
 535                 ecmd->advertising |= ADVERTISED_TP;
 536                 ecmd->port = PORT_TP;
 537                 break;
 538         case I40E_MEDIA_TYPE_DA:
 539         case I40E_MEDIA_TYPE_CX4:
 540                 ecmd->supported |= SUPPORTED_FIBRE;
 541                 ecmd->advertising |= ADVERTISED_FIBRE;
 542                 ecmd->port = PORT_DA;
 543                 break;
 544         case I40E_MEDIA_TYPE_FIBER:
 545                 ecmd->supported |= SUPPORTED_FIBRE;
 546                 ecmd->port = PORT_FIBRE;
 547                 break;
 548         case I40E_MEDIA_TYPE_UNKNOWN:
 549         default:
 550                 ecmd->port = PORT_OTHER;
 551                 break;
 552         }
 553
 554         /* Set transceiver */
 555         ecmd->transceiver = XCVR_EXTERNAL;
 556
 557         /* Set flow control settings */
 558         ecmd->supported |= SUPPORTED_Pause;
 559
 560         switch (hw->fc.requested_mode) {
 561         case I40E_FC_FULL:
 562                 ecmd->advertising |= ADVERTISED_Pause;
 563                 break;
 564         case I40E_FC_TX_PAUSE:
 565                 ecmd->advertising |= ADVERTISED_Asym_Pause;
 566                 break;
 567         case I40E_FC_RX_PAUSE:
 568                 ecmd->advertising |= (ADVERTISED_Pause |
 569                                       ADVERTISED_Asym_Pause);
 570                 break;
 571         default:
 572                 ecmd->advertising &= ~(ADVERTISED_Pause |
 573                                        ADVERTISED_Asym_Pause);
 574                 break;
 575         }
 576
 577         return 0;
 578 }
 579
 580 /**
 581  * i40e_set_settings - Set Speed and Duplex
 582  * @netdev: network interface device structure
 583  * @ecmd: ethtool command
 584  *
 585  * Set speed/duplex per media_types advertised/forced
 586  **/
 587 static int i40e_set_settings(struct net_device *netdev,
 588                              struct ethtool_cmd *ecmd)
 589 {
 590         struct i40e_netdev_priv *np = netdev_priv(netdev);
 591         struct i40e_aq_get_phy_abilities_resp abilities;
 592         struct i40e_aq_set_phy_config config;
 593         struct i40e_pf *pf = np->vsi->back;
 594         struct i40e_vsi *vsi = np->vsi;
 595         struct i40e_hw *hw = &pf->hw;
 596         struct ethtool_cmd safe_ecmd;
 597         i40e_status status = 0;
 598         bool change = false;
 599         int err = 0;
 600         u8 autoneg;
 601         u32 advertise;
 602
 603         /* Changing port settings is not supported if this isn't the
 604          * port's controlling PF
 605          */
 606         if (hw->partition_id != 1) {
 607                 i40e_partition_setting_complaint(pf);
 608                 return -EOPNOTSUPP;
 609         }
 610
 611         if (vsi != pf->vsi[pf->lan_vsi])
 612                 return -EOPNOTSUPP;
 613
 614         if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
 615             hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
 616             hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
 617             hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
 618                 return -EOPNOTSUPP;
 619
 620         if (hw->device_id == I40E_DEV_ID_KX_B ||
 621             hw->device_id == I40E_DEV_ID_KX_C ||
 622             hw->device_id == I40E_DEV_ID_20G_KR2 ||
 623             hw->device_id == I40E_DEV_ID_20G_KR2_A) {
 624                 netdev_info(netdev, "Changing settings is not supported on backplane.\n");
 625                 return -EOPNOTSUPP;
 626         }
 627
 628         /* get our own copy of the bits to check against */
 629         memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
 630         i40e_get_settings(netdev, &safe_ecmd);
 631
 632         /* save autoneg and speed out of ecmd */
 633         autoneg = ecmd->autoneg;
 634         advertise = ecmd->advertising;
 635
 636         /* set autoneg and speed back to what they currently are */
 637         ecmd->autoneg = safe_ecmd.autoneg;
 638         ecmd->advertising = safe_ecmd.advertising;
 639
 640         ecmd->cmd = safe_ecmd.cmd;
 641         /* If ecmd and safe_ecmd are not the same now, then they are
 642          * trying to set something that we do not support
 643          */
 644         if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
 645                 return -EOPNOTSUPP;
 646
 647         while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
 648                 usleep_range(1000, 2000);
 649
 650         /* Get the current phy config */
 651         status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
 652                                               NULL);
 653         if (status)
 654                 return -EAGAIN;
 655
 656         /* Copy abilities to config in case autoneg is not
 657          * set below
 658          */
 659         memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
 660         config.abilities = abilities.abilities;
 661
 662         /* Check autoneg */
 663         if (autoneg == AUTONEG_ENABLE) {
 664                 /* If autoneg was not already enabled */
 665                 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
 666                         /* If autoneg is not supported, return error */
 667                         if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
 668                                 netdev_info(netdev, "Autoneg not supported on this phy\n");
 669                                 return -EINVAL;
 670                         }
 671                         /* Autoneg is allowed to change */
 672                         config.abilities = abilities.abilities |
 673                                            I40E_AQ_PHY_ENABLE_AN;
 674                         change = true;
 675                 }
 676         } else {
 677                 /* If autoneg is currently enabled */
 678                 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
 679                         /* If autoneg is supported 10GBASE_T is the only PHY
 680                          * that can disable it, so otherwise return error
 681                          */
 682                         if (safe_ecmd.supported & SUPPORTED_Autoneg &&
 683                             hw->phy.link_info.phy_type !=
 684                             I40E_PHY_TYPE_10GBASE_T) {
 685                                 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
 686                                 return -EINVAL;
 687                         }
 688                         /* Autoneg is allowed to change */
 689                         config.abilities = abilities.abilities &
 690                                            ~I40E_AQ_PHY_ENABLE_AN;
 691                         change = true;
 692                 }
 693         }
 694
 695         if (advertise & ~safe_ecmd.supported)
 696                 return -EINVAL;
 697
 698         if (advertise & ADVERTISED_100baseT_Full)
 699                 config.link_speed |= I40E_LINK_SPEED_100MB;
 700         if (advertise & ADVERTISED_1000baseT_Full ||
 701             advertise & ADVERTISED_1000baseKX_Full)
 702                 config.link_speed |= I40E_LINK_SPEED_1GB;
 703         if (advertise & ADVERTISED_10000baseT_Full ||
 704             advertise & ADVERTISED_10000baseKX4_Full ||
 705             advertise & ADVERTISED_10000baseKR_Full)
 706                 config.link_speed |= I40E_LINK_SPEED_10GB;
 707         if (advertise & ADVERTISED_20000baseKR2_Full)
 708                 config.link_speed |= I40E_LINK_SPEED_20GB;
 709         if (advertise & ADVERTISED_40000baseKR4_Full ||
 710             advertise & ADVERTISED_40000baseCR4_Full ||
 711             advertise & ADVERTISED_40000baseSR4_Full ||
 712             advertise & ADVERTISED_40000baseLR4_Full)
 713                 config.link_speed |= I40E_LINK_SPEED_40GB;
 714
 715         /* If speed didn't get set, set it to what it currently is.
 716          * This is needed because if advertise is 0 (as it is when autoneg
 717          * is disabled) then speed won't get set.
 718          */
 719         if (!config.link_speed)
 720                 config.link_speed = abilities.link_speed;
 721
 722         if (change || (abilities.link_speed != config.link_speed)) {
 723                 /* copy over the rest of the abilities */
 724                 config.phy_type = abilities.phy_type;
 725                 config.eee_capability = abilities.eee_capability;
 726                 config.eeer = abilities.eeer_val;
 727                 config.low_power_ctrl = abilities.d3_lpan;
 728
 729                 /* save the requested speeds */
 730                 hw->phy.link_info.requested_speeds = config.link_speed;
 731                 /* set link and auto negotiation so changes take effect */
 732                 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
 733                 /* If link is up put link down */
 734                 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
 735                         /* Tell the OS link is going down, the link will go
 736                          * back up when fw says it is ready asynchronously
 737                          */
 738                         i40e_print_link_message(vsi, false);
 739                         netif_carrier_off(netdev);
 740                         netif_tx_stop_all_queues(netdev);
 741                 }
 742
 743                 /* make the aq call */
 744                 status = i40e_aq_set_phy_config(hw, &config, NULL);
 745                 if (status) {
 746                         netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
 747                                     i40e_stat_str(hw, status),
 748                                     i40e_aq_str(hw, hw->aq.asq_last_status));
 749                         return -EAGAIN;
 750                 }
 751
 752                 status = i40e_update_link_info(hw);
 753                 if (status)
 754                         netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n",
 755                                    i40e_stat_str(hw, status),
 756                                    i40e_aq_str(hw, hw->aq.asq_last_status));
 757
 758         } else {
 759                 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
 760         }
 761
 762         return err;
 763 }
 764
 765 static int i40e_nway_reset(struct net_device *netdev)
 766 {
 767         /* restart autonegotiation */
 768         struct i40e_netdev_priv *np = netdev_priv(netdev);
 769         struct i40e_pf *pf = np->vsi->back;
 770         struct i40e_hw *hw = &pf->hw;
 771         bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
 772         i40e_status ret = 0;
 773
 774         ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
 775         if (ret) {
 776                 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
 777                             i40e_stat_str(hw, ret),
 778                             i40e_aq_str(hw, hw->aq.asq_last_status));
 779                 return -EIO;
 780         }
 781
 782         return 0;
 783 }
 784
 785 /**
 786  * i40e_get_pauseparam -  Get Flow Control status
 787  * Return tx/rx-pause status
 788  **/
 789 static void i40e_get_pauseparam(struct net_device *netdev,
 790                                 struct ethtool_pauseparam *pause)
 791 {
 792         struct i40e_netdev_priv *np = netdev_priv(netdev);
 793         struct i40e_pf *pf = np->vsi->back;
 794         struct i40e_hw *hw = &pf->hw;
 795         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 796         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 797
 798         pause->autoneg =
 799                 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 800                   AUTONEG_ENABLE : AUTONEG_DISABLE);
 801
 802         /* PFC enabled so report LFC as off */
 803         if (dcbx_cfg->pfc.pfcenable) {
 804                 pause->rx_pause = 0;
 805                 pause->tx_pause = 0;
 806                 return;
 807         }
 808
 809         if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
 810                 pause->rx_pause = 1;
 811         } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
 812                 pause->tx_pause = 1;
 813         } else if (hw->fc.current_mode == I40E_FC_FULL) {
 814                 pause->rx_pause = 1;
 815                 pause->tx_pause = 1;
 816         }
 817 }
 818
 819 /**
 820  * i40e_set_pauseparam - Set Flow Control parameter
 821  * @netdev: network interface device structure
 822  * @pause: return tx/rx flow control status
 823  **/
 824 static int i40e_set_pauseparam(struct net_device *netdev,
 825                                struct ethtool_pauseparam *pause)
 826 {
 827         struct i40e_netdev_priv *np = netdev_priv(netdev);
 828         struct i40e_pf *pf = np->vsi->back;
 829         struct i40e_vsi *vsi = np->vsi;
 830         struct i40e_hw *hw = &pf->hw;
 831         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 832         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 833         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 834         i40e_status status;
 835         u8 aq_failures;
 836         int err = 0;
 837
 838         /* Changing the port's flow control is not supported if this isn't the
 839          * port's controlling PF
 840          */
 841         if (hw->partition_id != 1) {
 842                 i40e_partition_setting_complaint(pf);
 843                 return -EOPNOTSUPP;
 844         }
 845
 846         if (vsi != pf->vsi[pf->lan_vsi])
 847                 return -EOPNOTSUPP;
 848
 849         if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 850             AUTONEG_ENABLE : AUTONEG_DISABLE)) {
 851                 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
 852                 return -EOPNOTSUPP;
 853         }
 854
 855         /* If we have link and don't have autoneg */
 856         if (!test_bit(__I40E_DOWN, &pf->state) &&
 857             !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
 858                 /* Send message that it might not necessarily work*/
 859                 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
 860         }
 861
 862         if (dcbx_cfg->pfc.pfcenable) {
 863                 netdev_info(netdev,
 864                             "Priority flow control enabled. Cannot set link flow control.\n");
 865                 return -EOPNOTSUPP;
 866         }
 867
 868         if (pause->rx_pause && pause->tx_pause)
 869                 hw->fc.requested_mode = I40E_FC_FULL;
 870         else if (pause->rx_pause && !pause->tx_pause)
 871                 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
 872         else if (!pause->rx_pause && pause->tx_pause)
 873                 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
 874         else if (!pause->rx_pause && !pause->tx_pause)
 875                 hw->fc.requested_mode = I40E_FC_NONE;
 876         else
 877                  return -EINVAL;
 878
 879         /* Tell the OS link is going down, the link will go back up when fw
 880          * says it is ready asynchronously
 881          */
 882         i40e_print_link_message(vsi, false);
 883         netif_carrier_off(netdev);
 884         netif_tx_stop_all_queues(netdev);
 885
 886         /* Set the fc mode and only restart an if link is up*/
 887         status = i40e_set_fc(hw, &aq_failures, link_up);
 888
 889         if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
 890                 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
 891                             i40e_stat_str(hw, status),
 892                             i40e_aq_str(hw, hw->aq.asq_last_status));
 893                 err = -EAGAIN;
 894         }
 895         if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
 896                 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
 897                             i40e_stat_str(hw, status),
 898                             i40e_aq_str(hw, hw->aq.asq_last_status));
 899                 err = -EAGAIN;
 900         }
 901         if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
 902                 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
 903                             i40e_stat_str(hw, status),
 904                             i40e_aq_str(hw, hw->aq.asq_last_status));
 905                 err = -EAGAIN;
 906         }
 907
 908         if (!test_bit(__I40E_DOWN, &pf->state)) {
 909                 /* Give it a little more time to try to come back */
 910                 msleep(75);
 911                 if (!test_bit(__I40E_DOWN, &pf->state))
 912                         return i40e_nway_reset(netdev);
 913         }
 914
 915         return err;
 916 }
 917
 918 static u32 i40e_get_msglevel(struct net_device *netdev)
 919 {
 920         struct i40e_netdev_priv *np = netdev_priv(netdev);
 921         struct i40e_pf *pf = np->vsi->back;
 922
 923         return pf->msg_enable;
 924 }
 925
 926 static void i40e_set_msglevel(struct net_device *netdev, u32 data)
 927 {
 928         struct i40e_netdev_priv *np = netdev_priv(netdev);
 929         struct i40e_pf *pf = np->vsi->back;
 930
 931         if (I40E_DEBUG_USER & data)
 932                 pf->hw.debug_mask = data;
 933         pf->msg_enable = data;
 934 }
 935
 936 static int i40e_get_regs_len(struct net_device *netdev)
 937 {
 938         int reg_count = 0;
 939         int i;
 940
 941         for (i = 0; i40e_reg_list[i].offset != 0; i++)
 942                 reg_count += i40e_reg_list[i].elements;
 943
 944         return reg_count * sizeof(u32);
 945 }
 946
 947 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
 948                           void *p)
 949 {
 950         struct i40e_netdev_priv *np = netdev_priv(netdev);
 951         struct i40e_pf *pf = np->vsi->back;
 952         struct i40e_hw *hw = &pf->hw;
 953         u32 *reg_buf = p;
 954         int i, j, ri;
 955         u32 reg;
 956
 957         /* Tell ethtool which driver-version-specific regs output we have.
 958          *
 959          * At some point, if we have ethtool doing special formatting of
 960          * this data, it will rely on this version number to know how to
 961          * interpret things.  Hence, this needs to be updated if/when the
 962          * diags register table is changed.
 963          */
 964         regs->version = 1;
 965
 966         /* loop through the diags reg table for what to print */
 967         ri = 0;
 968         for (i = 0; i40e_reg_list[i].offset != 0; i++) {
 969                 for (j = 0; j < i40e_reg_list[i].elements; j++) {
 970                         reg = i40e_reg_list[i].offset
 971                                 + (j * i40e_reg_list[i].stride);
 972                         reg_buf[ri++] = rd32(hw, reg);
 973                 }
 974         }
 975
 976 }
 977
 978 static int i40e_get_eeprom(struct net_device *netdev,
 979                            struct ethtool_eeprom *eeprom, u8 *bytes)
 980 {
 981         struct i40e_netdev_priv *np = netdev_priv(netdev);
 982         struct i40e_hw *hw = &np->vsi->back->hw;
 983         struct i40e_pf *pf = np->vsi->back;
 984         int ret_val = 0, len, offset;
 985         u8 *eeprom_buff;
 986         u16 i, sectors;
 987         bool last;
 988         u32 magic;
 989
 990 #define I40E_NVM_SECTOR_SIZE  4096
 991         if (eeprom->len == 0)
 992                 return -EINVAL;
 993
 994         /* check for NVMUpdate access method */
 995         magic = hw->vendor_id | (hw->device_id << 16);
 996         if (eeprom->magic && eeprom->magic != magic) {
 997                 struct i40e_nvm_access *cmd;
 998                 int errno;
 999
1000                 /* make sure it is the right magic for NVMUpdate */
1001                 if ((eeprom->magic >> 16) != hw->device_id)
1002                         return -EINVAL;
1003
1004                 cmd = (struct i40e_nvm_access *)eeprom;
1005                 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1006                 if (ret_val && (hw->debug_mask & I40E_DEBUG_NVM))
1007                         dev_info(&pf->pdev->dev,
1008                                  "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1009                                  ret_val, hw->aq.asq_last_status, errno,
1010                                  (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1011                                  cmd->offset, cmd->data_size);
1012
1013                 return errno;
1014         }
1015
1016         /* normal ethtool get_eeprom support */
1017         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1018
1019         eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
1020         if (!eeprom_buff)
1021                 return -ENOMEM;
1022
1023         ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
1024         if (ret_val) {
1025                 dev_info(&pf->pdev->dev,
1026                          "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1027                          ret_val, hw->aq.asq_last_status);
1028                 goto free_buff;
1029         }
1030
1031         sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
1032         sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
1033         len = I40E_NVM_SECTOR_SIZE;
1034         last = false;
1035         for (i = 0; i < sectors; i++) {
1036                 if (i == (sectors - 1)) {
1037                         len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
1038                         last = true;
1039                 }
1040                 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
1041                 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1042                                 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1043                                 last, NULL);
1044                 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1045                         dev_info(&pf->pdev->dev,
1046                                  "read NVM failed, invalid offset 0x%x\n",
1047                                  offset);
1048                         break;
1049                 } else if (ret_val &&
1050                            hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1051                         dev_info(&pf->pdev->dev,
1052                                  "read NVM failed, access, offset 0x%x\n",
1053                                  offset);
1054                         break;
1055                 } else if (ret_val) {
1056                         dev_info(&pf->pdev->dev,
1057                                  "read NVM failed offset %d err=%d status=0x%x\n",
1058                                  offset, ret_val, hw->aq.asq_last_status);
1059                         break;
1060                 }
1061         }
1062
1063         i40e_release_nvm(hw);
1064         memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1065 free_buff:
1066         kfree(eeprom_buff);
1067         return ret_val;
1068 }
1069
1070 static int i40e_get_eeprom_len(struct net_device *netdev)
1071 {
1072         struct i40e_netdev_priv *np = netdev_priv(netdev);
1073         struct i40e_hw *hw = &np->vsi->back->hw;
1074         u32 val;
1075
1076         val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1077                 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1078                 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1079         /* register returns value in power of 2, 64Kbyte chunks. */
1080         val = (64 * 1024) * BIT(val);
1081         return val;
1082 }
1083
1084 static int i40e_set_eeprom(struct net_device *netdev,
1085                            struct ethtool_eeprom *eeprom, u8 *bytes)
1086 {
1087         struct i40e_netdev_priv *np = netdev_priv(netdev);
1088         struct i40e_hw *hw = &np->vsi->back->hw;
1089         struct i40e_pf *pf = np->vsi->back;
1090         struct i40e_nvm_access *cmd;
1091         int ret_val = 0;
1092         int errno;
1093         u32 magic;
1094
1095         /* normal ethtool set_eeprom is not supported */
1096         magic = hw->vendor_id | (hw->device_id << 16);
1097         if (eeprom->magic == magic)
1098                 return -EOPNOTSUPP;
1099
1100         /* check for NVMUpdate access method */
1101         if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1102                 return -EINVAL;
1103
1104         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1105             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1106                 return -EBUSY;
1107
1108         cmd = (struct i40e_nvm_access *)eeprom;
1109         ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1110         if (ret_val && (hw->debug_mask & I40E_DEBUG_NVM))
1111                 dev_info(&pf->pdev->dev,
1112                          "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1113                          ret_val, hw->aq.asq_last_status, errno,
1114                          (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1115                          cmd->offset, cmd->data_size);
1116
1117         return errno;
1118 }
1119
1120 static void i40e_get_drvinfo(struct net_device *netdev,
1121                              struct ethtool_drvinfo *drvinfo)
1122 {
1123         struct i40e_netdev_priv *np = netdev_priv(netdev);
1124         struct i40e_vsi *vsi = np->vsi;
1125         struct i40e_pf *pf = vsi->back;
1126
1127         strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1128         strlcpy(drvinfo->version, i40e_driver_version_str,
1129                 sizeof(drvinfo->version));
1130         strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
1131                 sizeof(drvinfo->fw_version));
1132         strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1133                 sizeof(drvinfo->bus_info));
1134 }
1135
1136 static void i40e_get_ringparam(struct net_device *netdev,
1137                                struct ethtool_ringparam *ring)
1138 {
1139         struct i40e_netdev_priv *np = netdev_priv(netdev);
1140         struct i40e_pf *pf = np->vsi->back;
1141         struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1142
1143         ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1144         ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1145         ring->rx_mini_max_pending = 0;
1146         ring->rx_jumbo_max_pending = 0;
1147         ring->rx_pending = vsi->rx_rings[0]->count;
1148         ring->tx_pending = vsi->tx_rings[0]->count;
1149         ring->rx_mini_pending = 0;
1150         ring->rx_jumbo_pending = 0;
1151 }
1152
1153 static int i40e_set_ringparam(struct net_device *netdev,
1154                               struct ethtool_ringparam *ring)
1155 {
1156         struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1157         struct i40e_netdev_priv *np = netdev_priv(netdev);
1158         struct i40e_vsi *vsi = np->vsi;
1159         struct i40e_pf *pf = vsi->back;
1160         u32 new_rx_count, new_tx_count;
1161         int i, err = 0;
1162
1163         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1164                 return -EINVAL;
1165
1166         if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1167             ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1168             ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1169             ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1170                 netdev_info(netdev,
1171                             "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1172                             ring->tx_pending, ring->rx_pending,
1173                             I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1174                 return -EINVAL;
1175         }
1176
1177         new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1178         new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1179
1180         /* if nothing to do return success */
1181         if ((new_tx_count == vsi->tx_rings[0]->count) &&
1182             (new_rx_count == vsi->rx_rings[0]->count))
1183                 return 0;
1184
1185         while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1186                 usleep_range(1000, 2000);
1187
1188         if (!netif_running(vsi->netdev)) {
1189                 /* simple case - set for the next time the netdev is started */
1190                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1191                         vsi->tx_rings[i]->count = new_tx_count;
1192                         vsi->rx_rings[i]->count = new_rx_count;
1193                 }
1194                 goto done;
1195         }
1196
1197         /* We can't just free everything and then setup again,
1198          * because the ISRs in MSI-X mode get passed pointers
1199          * to the Tx and Rx ring structs.
1200          */
1201
1202         /* alloc updated Tx resources */
1203         if (new_tx_count != vsi->tx_rings[0]->count) {
1204                 netdev_info(netdev,
1205                             "Changing Tx descriptor count from %d to %d.\n",
1206                             vsi->tx_rings[0]->count, new_tx_count);
1207                 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1208                                    sizeof(struct i40e_ring), GFP_KERNEL);
1209                 if (!tx_rings) {
1210                         err = -ENOMEM;
1211                         goto done;
1212                 }
1213
1214                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1215                         /* clone ring and setup updated count */
1216                         tx_rings[i] = *vsi->tx_rings[i];
1217                         tx_rings[i].count = new_tx_count;
1218                         /* the desc and bi pointers will be reallocated in the
1219                          * setup call
1220                          */
1221                         tx_rings[i].desc = NULL;
1222                         tx_rings[i].rx_bi = NULL;
1223                         err = i40e_setup_tx_descriptors(&tx_rings[i]);
1224                         if (err) {
1225                                 while (i) {
1226                                         i--;
1227                                         i40e_free_tx_resources(&tx_rings[i]);
1228                                 }
1229                                 kfree(tx_rings);
1230                                 tx_rings = NULL;
1231
1232                                 goto done;
1233                         }
1234                 }
1235         }
1236
1237         /* alloc updated Rx resources */
1238         if (new_rx_count != vsi->rx_rings[0]->count) {
1239                 netdev_info(netdev,
1240                             "Changing Rx descriptor count from %d to %d\n",
1241                             vsi->rx_rings[0]->count, new_rx_count);
1242                 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1243                                    sizeof(struct i40e_ring), GFP_KERNEL);
1244                 if (!rx_rings) {
1245                         err = -ENOMEM;
1246                         goto free_tx;
1247                 }
1248
1249                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1250                         /* clone ring and setup updated count */
1251                         rx_rings[i] = *vsi->rx_rings[i];
1252                         rx_rings[i].count = new_rx_count;
1253                         /* the desc and bi pointers will be reallocated in the
1254                          * setup call
1255                          */
1256                         rx_rings[i].desc = NULL;
1257                         rx_rings[i].rx_bi = NULL;
1258                         err = i40e_setup_rx_descriptors(&rx_rings[i]);
1259                         if (err) {
1260                                 while (i) {
1261                                         i--;
1262                                         i40e_free_rx_resources(&rx_rings[i]);
1263                                 }
1264                                 kfree(rx_rings);
1265                                 rx_rings = NULL;
1266
1267                                 goto free_tx;
1268                         }
1269                 }
1270         }
1271
1272         /* Bring interface down, copy in the new ring info,
1273          * then restore the interface
1274          */
1275         i40e_down(vsi);
1276
1277         if (tx_rings) {
1278                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1279                         i40e_free_tx_resources(vsi->tx_rings[i]);
1280                         *vsi->tx_rings[i] = tx_rings[i];
1281                 }
1282                 kfree(tx_rings);
1283                 tx_rings = NULL;
1284         }
1285
1286         if (rx_rings) {
1287                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1288                         i40e_free_rx_resources(vsi->rx_rings[i]);
1289                         *vsi->rx_rings[i] = rx_rings[i];
1290                 }
1291                 kfree(rx_rings);
1292                 rx_rings = NULL;
1293         }
1294
1295         i40e_up(vsi);
1296
1297 free_tx:
1298         /* error cleanup if the Rx allocations failed after getting Tx */
1299         if (tx_rings) {
1300                 for (i = 0; i < vsi->num_queue_pairs; i++)
1301                         i40e_free_tx_resources(&tx_rings[i]);
1302                 kfree(tx_rings);
1303                 tx_rings = NULL;
1304         }
1305
1306 done:
1307         clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1308
1309         return err;
1310 }
1311
1312 static int i40e_get_sset_count(struct net_device *netdev, int sset)
1313 {
1314         struct i40e_netdev_priv *np = netdev_priv(netdev);
1315         struct i40e_vsi *vsi = np->vsi;
1316         struct i40e_pf *pf = vsi->back;
1317
1318         switch (sset) {
1319         case ETH_SS_TEST:
1320                 return I40E_TEST_LEN;
1321         case ETH_SS_STATS:
1322                 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1323                         int len = I40E_PF_STATS_LEN(netdev);
1324
1325                         if ((pf->lan_veb != I40E_NO_VEB) &&
1326                             (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1327                                 len += I40E_VEB_STATS_TOTAL;
1328                         return len;
1329                 } else {
1330                         return I40E_VSI_STATS_LEN(netdev);
1331                 }
1332         case ETH_SS_PRIV_FLAGS:
1333                 return I40E_PRIV_FLAGS_STR_LEN;
1334         default:
1335                 return -EOPNOTSUPP;
1336         }
1337 }
1338
1339 static void i40e_get_ethtool_stats(struct net_device *netdev,
1340                                    struct ethtool_stats *stats, u64 *data)
1341 {
1342         struct i40e_netdev_priv *np = netdev_priv(netdev);
1343         struct i40e_ring *tx_ring, *rx_ring;
1344         struct i40e_vsi *vsi = np->vsi;
1345         struct i40e_pf *pf = vsi->back;
1346         int i = 0;
1347         char *p;
1348         int j;
1349         struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1350         unsigned int start;
1351
1352         i40e_update_stats(vsi);
1353
1354         for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1355                 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1356                 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1357                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1358         }
1359         for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1360                 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1361                 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1362                             sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1363         }
1364 #ifdef I40E_FCOE
1365         for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1366                 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1367                 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1368                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1369         }
1370 #endif
1371         rcu_read_lock();
1372         for (j = 0; j < vsi->num_queue_pairs; j++) {
1373                 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1374
1375                 if (!tx_ring)
1376                         continue;
1377
1378                 /* process Tx ring statistics */
1379                 do {
1380                         start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1381                         data[i] = tx_ring->stats.packets;
1382                         data[i + 1] = tx_ring->stats.bytes;
1383                 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1384                 i += 2;
1385
1386                 /* Rx ring is the 2nd half of the queue pair */
1387                 rx_ring = &tx_ring[1];
1388                 do {
1389                         start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1390                         data[i] = rx_ring->stats.packets;
1391                         data[i + 1] = rx_ring->stats.bytes;
1392                 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1393                 i += 2;
1394         }
1395         rcu_read_unlock();
1396         if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1397                 return;
1398
1399         if ((pf->lan_veb != I40E_NO_VEB) &&
1400             (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1401                 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1402
1403                 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1404                         p = (char *)veb;
1405                         p += i40e_gstrings_veb_stats[j].stat_offset;
1406                         data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1407                                      sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1408                 }
1409                 for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
1410                         data[i++] = veb->tc_stats.tc_tx_packets[j];
1411                         data[i++] = veb->tc_stats.tc_tx_bytes[j];
1412                         data[i++] = veb->tc_stats.tc_rx_packets[j];
1413                         data[i++] = veb->tc_stats.tc_rx_bytes[j];
1414                 }
1415         }
1416         for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1417                 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1418                 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1419                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1420         }
1421         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1422                 data[i++] = pf->stats.priority_xon_tx[j];
1423                 data[i++] = pf->stats.priority_xoff_tx[j];
1424         }
1425         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1426                 data[i++] = pf->stats.priority_xon_rx[j];
1427                 data[i++] = pf->stats.priority_xoff_rx[j];
1428         }
1429         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1430                 data[i++] = pf->stats.priority_xon_2_xoff[j];
1431 }
1432
1433 static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1434                              u8 *data)
1435 {
1436         struct i40e_netdev_priv *np = netdev_priv(netdev);
1437         struct i40e_vsi *vsi = np->vsi;
1438         struct i40e_pf *pf = vsi->back;
1439         char *p = (char *)data;
1440         int i;
1441
1442         switch (stringset) {
1443         case ETH_SS_TEST:
1444                 for (i = 0; i < I40E_TEST_LEN; i++) {
1445                         memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1446                         data += ETH_GSTRING_LEN;
1447                 }
1448                 break;
1449         case ETH_SS_STATS:
1450                 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1451                         snprintf(p, ETH_GSTRING_LEN, "%s",
1452                                  i40e_gstrings_net_stats[i].stat_string);
1453                         p += ETH_GSTRING_LEN;
1454                 }
1455                 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1456                         snprintf(p, ETH_GSTRING_LEN, "%s",
1457                                  i40e_gstrings_misc_stats[i].stat_string);
1458                         p += ETH_GSTRING_LEN;
1459                 }
1460 #ifdef I40E_FCOE
1461                 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1462                         snprintf(p, ETH_GSTRING_LEN, "%s",
1463                                  i40e_gstrings_fcoe_stats[i].stat_string);
1464                         p += ETH_GSTRING_LEN;
1465                 }
1466 #endif
1467                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1468                         snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
1469                         p += ETH_GSTRING_LEN;
1470                         snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
1471                         p += ETH_GSTRING_LEN;
1472                         snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
1473                         p += ETH_GSTRING_LEN;
1474                         snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
1475                         p += ETH_GSTRING_LEN;
1476                 }
1477                 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1478                         return;
1479
1480                 if ((pf->lan_veb != I40E_NO_VEB) &&
1481                     (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1482                         for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1483                                 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1484                                         i40e_gstrings_veb_stats[i].stat_string);
1485                                 p += ETH_GSTRING_LEN;
1486                         }
1487                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1488                                 snprintf(p, ETH_GSTRING_LEN,
1489                                          "veb.tc_%u_tx_packets", i);
1490                                 p += ETH_GSTRING_LEN;
1491                                 snprintf(p, ETH_GSTRING_LEN,
1492                                          "veb.tc_%u_tx_bytes", i);
1493                                 p += ETH_GSTRING_LEN;
1494                                 snprintf(p, ETH_GSTRING_LEN,
1495                                          "veb.tc_%u_rx_packets", i);
1496                                 p += ETH_GSTRING_LEN;
1497                                 snprintf(p, ETH_GSTRING_LEN,
1498                                          "veb.tc_%u_rx_bytes", i);
1499                                 p += ETH_GSTRING_LEN;
1500                         }
1501                 }
1502                 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1503                         snprintf(p, ETH_GSTRING_LEN, "port.%s",
1504                                  i40e_gstrings_stats[i].stat_string);
1505                         p += ETH_GSTRING_LEN;
1506                 }
1507                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1508                         snprintf(p, ETH_GSTRING_LEN,
1509                                  "port.tx_priority_%u_xon", i);
1510                         p += ETH_GSTRING_LEN;
1511                         snprintf(p, ETH_GSTRING_LEN,
1512                                  "port.tx_priority_%u_xoff", i);
1513                         p += ETH_GSTRING_LEN;
1514                 }
1515                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1516                         snprintf(p, ETH_GSTRING_LEN,
1517                                  "port.rx_priority_%u_xon", i);
1518                         p += ETH_GSTRING_LEN;
1519                         snprintf(p, ETH_GSTRING_LEN,
1520                                  "port.rx_priority_%u_xoff", i);
1521                         p += ETH_GSTRING_LEN;
1522                 }
1523                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1524                         snprintf(p, ETH_GSTRING_LEN,
1525                                  "port.rx_priority_%u_xon_2_xoff", i);
1526                         p += ETH_GSTRING_LEN;
1527                 }
1528                 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1529                 break;
1530         case ETH_SS_PRIV_FLAGS:
1531                 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1532                         memcpy(data, i40e_priv_flags_strings[i],
1533                                ETH_GSTRING_LEN);
1534                         data += ETH_GSTRING_LEN;
1535                 }
1536                 break;
1537         default:
1538                 break;
1539         }
1540 }
1541
1542 static int i40e_get_ts_info(struct net_device *dev,
1543                             struct ethtool_ts_info *info)
1544 {
1545         struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1546
1547         /* only report HW timestamping if PTP is enabled */
1548         if (!(pf->flags & I40E_FLAG_PTP))
1549                 return ethtool_op_get_ts_info(dev, info);
1550
1551         info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1552                                 SOF_TIMESTAMPING_RX_SOFTWARE |
1553                                 SOF_TIMESTAMPING_SOFTWARE |
1554                                 SOF_TIMESTAMPING_TX_HARDWARE |
1555                                 SOF_TIMESTAMPING_RX_HARDWARE |
1556                                 SOF_TIMESTAMPING_RAW_HARDWARE;
1557
1558         if (pf->ptp_clock)
1559                 info->phc_index = ptp_clock_index(pf->ptp_clock);
1560         else
1561                 info->phc_index = -1;
1562
1563         info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1564
1565         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1566                            BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1567                            BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1568
1569         return 0;
1570 }
1571
1572 static int i40e_link_test(struct net_device *netdev, u64 *data)
1573 {
1574         struct i40e_netdev_priv *np = netdev_priv(netdev);
1575         struct i40e_pf *pf = np->vsi->back;
1576         i40e_status status;
1577         bool link_up = false;
1578
1579         netif_info(pf, hw, netdev, "link test\n");
1580         status = i40e_get_link_status(&pf->hw, &link_up);
1581         if (status) {
1582                 netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1583                 *data = 1;
1584                 return *data;
1585         }
1586
1587         if (link_up)
1588                 *data = 0;
1589         else
1590                 *data = 1;
1591
1592         return *data;
1593 }
1594
1595 static int i40e_reg_test(struct net_device *netdev, u64 *data)
1596 {
1597         struct i40e_netdev_priv *np = netdev_priv(netdev);
1598         struct i40e_pf *pf = np->vsi->back;
1599
1600         netif_info(pf, hw, netdev, "register test\n");
1601         *data = i40e_diag_reg_test(&pf->hw);
1602
1603         return *data;
1604 }
1605
1606 static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1607 {
1608         struct i40e_netdev_priv *np = netdev_priv(netdev);
1609         struct i40e_pf *pf = np->vsi->back;
1610
1611         netif_info(pf, hw, netdev, "eeprom test\n");
1612         *data = i40e_diag_eeprom_test(&pf->hw);
1613
1614         /* forcebly clear the NVM Update state machine */
1615         pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1616
1617         return *data;
1618 }
1619
1620 static int i40e_intr_test(struct net_device *netdev, u64 *data)
1621 {
1622         struct i40e_netdev_priv *np = netdev_priv(netdev);
1623         struct i40e_pf *pf = np->vsi->back;
1624         u16 swc_old = pf->sw_int_count;
1625
1626         netif_info(pf, hw, netdev, "interrupt test\n");
1627         wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1628              (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1629               I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1630               I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1631               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1632               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1633         usleep_range(1000, 2000);
1634         *data = (swc_old == pf->sw_int_count);
1635
1636         return *data;
1637 }
1638
1639 static int i40e_loopback_test(struct net_device *netdev, u64 *data)
1640 {
1641         struct i40e_netdev_priv *np = netdev_priv(netdev);
1642         struct i40e_pf *pf = np->vsi->back;
1643
1644         netif_info(pf, hw, netdev, "loopback test not implemented\n");
1645         *data = 0;
1646
1647         return *data;
1648 }
1649
1650 static inline bool i40e_active_vfs(struct i40e_pf *pf)
1651 {
1652         struct i40e_vf *vfs = pf->vf;
1653         int i;
1654
1655         for (i = 0; i < pf->num_alloc_vfs; i++)
1656                 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1657                         return true;
1658         return false;
1659 }
1660
1661 static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1662 {
1663         struct i40e_vsi **vsi = pf->vsi;
1664         int i;
1665
1666         for (i = 0; i < pf->num_alloc_vsi; i++) {
1667                 if (!vsi[i])
1668                         continue;
1669                 if (vsi[i]->type == I40E_VSI_VMDQ2)
1670                         return true;
1671         }
1672
1673         return false;
1674 }
1675
1676 static void i40e_diag_test(struct net_device *netdev,
1677                            struct ethtool_test *eth_test, u64 *data)
1678 {
1679         struct i40e_netdev_priv *np = netdev_priv(netdev);
1680         bool if_running = netif_running(netdev);
1681         struct i40e_pf *pf = np->vsi->back;
1682
1683         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1684                 /* Offline tests */
1685                 netif_info(pf, drv, netdev, "offline testing starting\n");
1686
1687                 set_bit(__I40E_TESTING, &pf->state);
1688
1689                 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1690                         dev_warn(&pf->pdev->dev,
1691                                  "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1692                         data[I40E_ETH_TEST_REG]         = 1;
1693                         data[I40E_ETH_TEST_EEPROM]      = 1;
1694                         data[I40E_ETH_TEST_INTR]        = 1;
1695                         data[I40E_ETH_TEST_LOOPBACK]    = 1;
1696                         data[I40E_ETH_TEST_LINK]        = 1;
1697                         eth_test->flags |= ETH_TEST_FL_FAILED;
1698                         clear_bit(__I40E_TESTING, &pf->state);
1699                         goto skip_ol_tests;
1700                 }
1701
1702                 /* If the device is online then take it offline */
1703                 if (if_running)
1704                         /* indicate we're in test mode */
1705                         dev_close(netdev);
1706                 else
1707                         /* This reset does not affect link - if it is
1708                          * changed to a type of reset that does affect
1709                          * link then the following link test would have
1710                          * to be moved to before the reset
1711                          */
1712                         i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1713
1714                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1715                         eth_test->flags |= ETH_TEST_FL_FAILED;
1716
1717                 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1718                         eth_test->flags |= ETH_TEST_FL_FAILED;
1719
1720                 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1721                         eth_test->flags |= ETH_TEST_FL_FAILED;
1722
1723                 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
1724                         eth_test->flags |= ETH_TEST_FL_FAILED;
1725
1726                 /* run reg test last, a reset is required after it */
1727                 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1728                         eth_test->flags |= ETH_TEST_FL_FAILED;
1729
1730                 clear_bit(__I40E_TESTING, &pf->state);
1731                 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1732
1733                 if (if_running)
1734                         dev_open(netdev);
1735         } else {
1736                 /* Online tests */
1737                 netif_info(pf, drv, netdev, "online testing starting\n");
1738
1739                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1740                         eth_test->flags |= ETH_TEST_FL_FAILED;
1741
1742                 /* Offline only tests, not run in online; pass by default */
1743                 data[I40E_ETH_TEST_REG] = 0;
1744                 data[I40E_ETH_TEST_EEPROM] = 0;
1745                 data[I40E_ETH_TEST_INTR] = 0;
1746                 data[I40E_ETH_TEST_LOOPBACK] = 0;
1747         }
1748
1749 skip_ol_tests:
1750
1751         netif_info(pf, drv, netdev, "testing finished\n");
1752 }
1753
1754 static void i40e_get_wol(struct net_device *netdev,
1755                          struct ethtool_wolinfo *wol)
1756 {
1757         struct i40e_netdev_priv *np = netdev_priv(netdev);
1758         struct i40e_pf *pf = np->vsi->back;
1759         struct i40e_hw *hw = &pf->hw;
1760         u16 wol_nvm_bits;
1761
1762         /* NVM bit on means WoL disabled for the port */
1763         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1764         if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1765                 wol->supported = 0;
1766                 wol->wolopts = 0;
1767         } else {
1768                 wol->supported = WAKE_MAGIC;
1769                 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1770         }
1771 }
1772
1773 /**
1774  * i40e_set_wol - set the WakeOnLAN configuration
1775  * @netdev: the netdev in question
1776  * @wol: the ethtool WoL setting data
1777  **/
1778 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1779 {
1780         struct i40e_netdev_priv *np = netdev_priv(netdev);
1781         struct i40e_pf *pf = np->vsi->back;
1782         struct i40e_vsi *vsi = np->vsi;
1783         struct i40e_hw *hw = &pf->hw;
1784         u16 wol_nvm_bits;
1785
1786         /* WoL not supported if this isn't the controlling PF on the port */
1787         if (hw->partition_id != 1) {
1788                 i40e_partition_setting_complaint(pf);
1789                 return -EOPNOTSUPP;
1790         }
1791
1792         if (vsi != pf->vsi[pf->lan_vsi])
1793                 return -EOPNOTSUPP;
1794
1795         /* NVM bit on means WoL disabled for the port */
1796         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1797         if (BIT(hw->port) & wol_nvm_bits)
1798                 return -EOPNOTSUPP;
1799
1800         /* only magic packet is supported */
1801         if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1802                 return -EOPNOTSUPP;
1803
1804         /* is this a new value? */
1805         if (pf->wol_en != !!wol->wolopts) {
1806                 pf->wol_en = !!wol->wolopts;
1807                 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1808         }
1809
1810         return 0;
1811 }
1812
1813 static int i40e_set_phys_id(struct net_device *netdev,
1814                             enum ethtool_phys_id_state state)
1815 {
1816         struct i40e_netdev_priv *np = netdev_priv(netdev);
1817         struct i40e_pf *pf = np->vsi->back;
1818         struct i40e_hw *hw = &pf->hw;
1819         int blink_freq = 2;
1820
1821         switch (state) {
1822         case ETHTOOL_ID_ACTIVE:
1823                 pf->led_status = i40e_led_get(hw);
1824                 return blink_freq;
1825         case ETHTOOL_ID_ON:
1826                 i40e_led_set(hw, 0xF, false);
1827                 break;
1828         case ETHTOOL_ID_OFF:
1829                 i40e_led_set(hw, 0x0, false);
1830                 break;
1831         case ETHTOOL_ID_INACTIVE:
1832                 i40e_led_set(hw, pf->led_status, false);
1833                 break;
1834         default:
1835                 break;
1836         }
1837
1838         return 0;
1839 }
1840
1841 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1842  * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1843  * 125us (8000 interrupts per second) == ITR(62)
1844  */
1845
1846 static int i40e_get_coalesce(struct net_device *netdev,
1847                              struct ethtool_coalesce *ec)
1848 {
1849         struct i40e_netdev_priv *np = netdev_priv(netdev);
1850         struct i40e_vsi *vsi = np->vsi;
1851
1852         ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1853         ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1854
1855         if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
1856                 ec->use_adaptive_rx_coalesce = 1;
1857
1858         if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
1859                 ec->use_adaptive_tx_coalesce = 1;
1860
1861         ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
1862         ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
1863         /* we use the _usecs_high to store/set the interrupt rate limit
1864          * that the hardware supports, that almost but not quite
1865          * fits the original intent of the ethtool variable,
1866          * the rx_coalesce_usecs_high limits total interrupts
1867          * per second from both tx/rx sources.
1868          */
1869         ec->rx_coalesce_usecs_high = vsi->int_rate_limit;
1870         ec->tx_coalesce_usecs_high = vsi->int_rate_limit;
1871
1872         return 0;
1873 }
1874
1875 static int i40e_set_coalesce(struct net_device *netdev,
1876                              struct ethtool_coalesce *ec)
1877 {
1878         struct i40e_netdev_priv *np = netdev_priv(netdev);
1879         struct i40e_q_vector *q_vector;
1880         struct i40e_vsi *vsi = np->vsi;
1881         struct i40e_pf *pf = vsi->back;
1882         struct i40e_hw *hw = &pf->hw;
1883         u16 vector;
1884         int i;
1885
1886         if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
1887                 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
1888
1889         /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */
1890         if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) {
1891                 netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n");
1892                 return -EINVAL;
1893         }
1894
1895         if (ec->rx_coalesce_usecs_high >= INTRL_REG_TO_USEC(I40E_MAX_INTRL)) {
1896                 netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-235\n");
1897                 return -EINVAL;
1898         }
1899
1900         vector = vsi->base_vector;
1901         if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1902             (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1903                 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1904         } else if (ec->rx_coalesce_usecs == 0) {
1905                 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1906                 if (ec->use_adaptive_rx_coalesce)
1907                         netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
1908         } else {
1909                 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
1910                 return -EINVAL;
1911         }
1912
1913         vsi->int_rate_limit = ec->rx_coalesce_usecs_high;
1914
1915         if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1916             (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1917                 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1918         } else if (ec->tx_coalesce_usecs == 0) {
1919                 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1920                 if (ec->use_adaptive_tx_coalesce)
1921                         netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
1922         } else {
1923                 netif_info(pf, drv, netdev,
1924                            "Invalid value, tx-usecs range is 0-8160\n");
1925                 return -EINVAL;
1926         }
1927
1928         if (ec->use_adaptive_rx_coalesce)
1929                 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
1930         else
1931                 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
1932
1933         if (ec->use_adaptive_tx_coalesce)
1934                 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
1935         else
1936                 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
1937
1938         for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
1939                 u16 intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit);
1940
1941                 q_vector = vsi->q_vectors[i];
1942                 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
1943                 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
1944                 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
1945                 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
1946                 wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl);
1947                 i40e_flush(hw);
1948         }
1949
1950         return 0;
1951 }
1952
1953 /**
1954  * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1955  * @pf: pointer to the physical function struct
1956  * @cmd: ethtool rxnfc command
1957  *
1958  * Returns Success if the flow is supported, else Invalid Input.
1959  **/
1960 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
1961 {
1962         cmd->data = 0;
1963
1964         if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
1965                 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
1966                 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
1967                 return 0;
1968         }
1969         /* Report default options for RSS on i40e */
1970         switch (cmd->flow_type) {
1971         case TCP_V4_FLOW:
1972         case UDP_V4_FLOW:
1973                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1974         /* fall through to add IP fields */
1975         case SCTP_V4_FLOW:
1976         case AH_ESP_V4_FLOW:
1977         case AH_V4_FLOW:
1978         case ESP_V4_FLOW:
1979         case IPV4_FLOW:
1980                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1981                 break;
1982         case TCP_V6_FLOW:
1983         case UDP_V6_FLOW:
1984                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1985         /* fall through to add IP fields */
1986         case SCTP_V6_FLOW:
1987         case AH_ESP_V6_FLOW:
1988         case AH_V6_FLOW:
1989         case ESP_V6_FLOW:
1990         case IPV6_FLOW:
1991                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1992                 break;
1993         default:
1994                 return -EINVAL;
1995         }
1996
1997         return 0;
1998 }
1999
2000 /**
2001  * i40e_get_ethtool_fdir_all - Populates the rule count of a command
2002  * @pf: Pointer to the physical function struct
2003  * @cmd: The command to get or set Rx flow classification rules
2004  * @rule_locs: Array of used rule locations
2005  *
2006  * This function populates both the total and actual rule count of
2007  * the ethtool flow classification command
2008  *
2009  * Returns 0 on success or -EMSGSIZE if entry not found
2010  **/
2011 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
2012                                      struct ethtool_rxnfc *cmd,
2013                                      u32 *rule_locs)
2014 {
2015         struct i40e_fdir_filter *rule;
2016         struct hlist_node *node2;
2017         int cnt = 0;
2018
2019         /* report total rule count */
2020         cmd->data = i40e_get_fd_cnt_all(pf);
2021
2022         hlist_for_each_entry_safe(rule, node2,
2023                                   &pf->fdir_filter_list, fdir_node) {
2024                 if (cnt == cmd->rule_cnt)
2025                         return -EMSGSIZE;
2026
2027                 rule_locs[cnt] = rule->fd_id;
2028                 cnt++;
2029         }
2030
2031         cmd->rule_cnt = cnt;
2032
2033         return 0;
2034 }
2035
2036 /**
2037  * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
2038  * @pf: Pointer to the physical function struct
2039  * @cmd: The command to get or set Rx flow classification rules
2040  *
2041  * This function looks up a filter based on the Rx flow classification
2042  * command and fills the flow spec info for it if found
2043  *
2044  * Returns 0 on success or -EINVAL if filter not found
2045  **/
2046 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
2047                                        struct ethtool_rxnfc *cmd)
2048 {
2049         struct ethtool_rx_flow_spec *fsp =
2050                         (struct ethtool_rx_flow_spec *)&cmd->fs;
2051         struct i40e_fdir_filter *rule = NULL;
2052         struct hlist_node *node2;
2053
2054         hlist_for_each_entry_safe(rule, node2,
2055                                   &pf->fdir_filter_list, fdir_node) {
2056                 if (fsp->location <= rule->fd_id)
2057                         break;
2058         }
2059
2060         if (!rule || fsp->location != rule->fd_id)
2061                 return -EINVAL;
2062
2063         fsp->flow_type = rule->flow_type;
2064         if (fsp->flow_type == IP_USER_FLOW) {
2065                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2066                 fsp->h_u.usr_ip4_spec.proto = 0;
2067                 fsp->m_u.usr_ip4_spec.proto = 0;
2068         }
2069
2070         /* Reverse the src and dest notion, since the HW views them from
2071          * Tx perspective where as the user expects it from Rx filter view.
2072          */
2073         fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2074         fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
2075         fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
2076         fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
2077
2078         if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2079                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2080         else
2081                 fsp->ring_cookie = rule->q_index;
2082
2083         if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2084                 struct i40e_vsi *vsi;
2085
2086                 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2087                 if (vsi && vsi->type == I40E_VSI_SRIOV) {
2088                         fsp->h_ext.data[1] = htonl(vsi->vf_id);
2089                         fsp->m_ext.data[1] = htonl(0x1);
2090                 }
2091         }
2092
2093         return 0;
2094 }
2095
2096 /**
2097  * i40e_get_rxnfc - command to get RX flow classification rules
2098  * @netdev: network interface device structure
2099  * @cmd: ethtool rxnfc command
2100  *
2101  * Returns Success if the command is supported.
2102  **/
2103 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2104                           u32 *rule_locs)
2105 {
2106         struct i40e_netdev_priv *np = netdev_priv(netdev);
2107         struct i40e_vsi *vsi = np->vsi;
2108         struct i40e_pf *pf = vsi->back;
2109         int ret = -EOPNOTSUPP;
2110
2111         switch (cmd->cmd) {
2112         case ETHTOOL_GRXRINGS:
2113                 cmd->data = vsi->alloc_queue_pairs;
2114                 ret = 0;
2115                 break;
2116         case ETHTOOL_GRXFH:
2117                 ret = i40e_get_rss_hash_opts(pf, cmd);
2118                 break;
2119         case ETHTOOL_GRXCLSRLCNT:
2120                 cmd->rule_cnt = pf->fdir_pf_active_filters;
2121                 /* report total rule count */
2122                 cmd->data = i40e_get_fd_cnt_all(pf);
2123                 ret = 0;
2124                 break;
2125         case ETHTOOL_GRXCLSRULE:
2126                 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2127                 break;
2128         case ETHTOOL_GRXCLSRLALL:
2129                 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2130                 break;
2131         default:
2132                 break;
2133         }
2134
2135         return ret;
2136 }
2137
2138 /**
2139  * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2140  * @pf: pointer to the physical function struct
2141  * @cmd: ethtool rxnfc command
2142  *
2143  * Returns Success if the flow input set is supported.
2144  **/
2145 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2146 {
2147         struct i40e_hw *hw = &pf->hw;
2148         u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
2149                    ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
2150
2151         /* RSS does not support anything other than hashing
2152          * to queues on src and dst IPs and ports
2153          */
2154         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2155                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2156                 return -EINVAL;
2157
2158         /* We need at least the IP SRC and DEST fields for hashing */
2159         if (!(nfc->data & RXH_IP_SRC) ||
2160             !(nfc->data & RXH_IP_DST))
2161                 return -EINVAL;
2162
2163         switch (nfc->flow_type) {
2164         case TCP_V4_FLOW:
2165                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2166                 case 0:
2167                         hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2168                         break;
2169                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2170                         hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2171                         break;
2172                 default:
2173                         return -EINVAL;
2174                 }
2175                 break;
2176         case TCP_V6_FLOW:
2177                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2178                 case 0:
2179                         hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2180                         break;
2181                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2182                         hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2183                         break;
2184                 default:
2185                         return -EINVAL;
2186                 }
2187                 break;
2188         case UDP_V4_FLOW:
2189                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2190                 case 0:
2191                         hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2192                                   BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2193                         break;
2194                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2195                         hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2196                                  BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2197                         break;
2198                 default:
2199                         return -EINVAL;
2200                 }
2201                 break;
2202         case UDP_V6_FLOW:
2203                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2204                 case 0:
2205                         hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2206                                   BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2207                         break;
2208                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2209                         hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2210                                  BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2211                         break;
2212                 default:
2213                         return -EINVAL;
2214                 }
2215                 break;
2216         case AH_ESP_V4_FLOW:
2217         case AH_V4_FLOW:
2218         case ESP_V4_FLOW:
2219         case SCTP_V4_FLOW:
2220                 if ((nfc->data & RXH_L4_B_0_1) ||
2221                     (nfc->data & RXH_L4_B_2_3))
2222                         return -EINVAL;
2223                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2224                 break;
2225         case AH_ESP_V6_FLOW:
2226         case AH_V6_FLOW:
2227         case ESP_V6_FLOW:
2228         case SCTP_V6_FLOW:
2229                 if ((nfc->data & RXH_L4_B_0_1) ||
2230                     (nfc->data & RXH_L4_B_2_3))
2231                         return -EINVAL;
2232                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2233                 break;
2234         case IPV4_FLOW:
2235                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2236                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2237                 break;
2238         case IPV6_FLOW:
2239                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2240                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2241                 break;
2242         default:
2243                 return -EINVAL;
2244         }
2245
2246         wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
2247         wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2248         i40e_flush(hw);
2249
2250         /* Save setting for future output/update */
2251         pf->vsi[pf->lan_vsi]->rxnfc = *nfc;
2252
2253         return 0;
2254 }
2255
2256 /**
2257  * i40e_match_fdir_input_set - Match a new filter against an existing one
2258  * @rule: The filter already added
2259  * @input: The new filter to comapre against
2260  *
2261  * Returns true if the two input set match
2262  **/
2263 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2264                                       struct i40e_fdir_filter *input)
2265 {
2266         if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2267             (rule->src_ip[0] != input->src_ip[0]) ||
2268             (rule->dst_port != input->dst_port) ||
2269             (rule->src_port != input->src_port))
2270                 return false;
2271         return true;
2272 }
2273
2274 /**
2275  * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2276  * @vsi: Pointer to the targeted VSI
2277  * @input: The filter to update or NULL to indicate deletion
2278  * @sw_idx: Software index to the filter
2279  * @cmd: The command to get or set Rx flow classification rules
2280  *
2281  * This function updates (or deletes) a Flow Director entry from
2282  * the hlist of the corresponding PF
2283  *
2284  * Returns 0 on success
2285  **/
2286 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2287                                           struct i40e_fdir_filter *input,
2288                                           u16 sw_idx,
2289                                           struct ethtool_rxnfc *cmd)
2290 {
2291         struct i40e_fdir_filter *rule, *parent;
2292         struct i40e_pf *pf = vsi->back;
2293         struct hlist_node *node2;
2294         int err = -EINVAL;
2295
2296         parent = NULL;
2297         rule = NULL;
2298
2299         hlist_for_each_entry_safe(rule, node2,
2300                                   &pf->fdir_filter_list, fdir_node) {
2301                 /* hash found, or no matching entry */
2302                 if (rule->fd_id >= sw_idx)
2303                         break;
2304                 parent = rule;
2305         }
2306
2307         /* if there is an old rule occupying our place remove it */
2308         if (rule && (rule->fd_id == sw_idx)) {
2309                 if (input && !i40e_match_fdir_input_set(rule, input))
2310                         err = i40e_add_del_fdir(vsi, rule, false);
2311                 else if (!input)
2312                         err = i40e_add_del_fdir(vsi, rule, false);
2313                 hlist_del(&rule->fdir_node);
2314                 kfree(rule);
2315                 pf->fdir_pf_active_filters--;
2316         }
2317
2318         /* If no input this was a delete, err should be 0 if a rule was
2319          * successfully found and removed from the list else -EINVAL
2320          */
2321         if (!input)
2322                 return err;
2323
2324         /* initialize node and set software index */
2325         INIT_HLIST_NODE(&input->fdir_node);
2326
2327         /* add filter to the list */
2328         if (parent)
2329                 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2330         else
2331                 hlist_add_head(&input->fdir_node,
2332                                &pf->fdir_filter_list);
2333
2334         /* update counts */
2335         pf->fdir_pf_active_filters++;
2336
2337         return 0;
2338 }
2339
2340 /**
2341  * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2342  * @vsi: Pointer to the targeted VSI
2343  * @cmd: The command to get or set Rx flow classification rules
2344  *
2345  * The function removes a Flow Director filter entry from the
2346  * hlist of the corresponding PF
2347  *
2348  * Returns 0 on success
2349  */
2350 static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2351                                struct ethtool_rxnfc *cmd)
2352 {
2353         struct ethtool_rx_flow_spec *fsp =
2354                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2355         struct i40e_pf *pf = vsi->back;
2356         int ret = 0;
2357
2358         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2359             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2360                 return -EBUSY;
2361
2362         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2363                 return -EBUSY;
2364
2365         ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2366
2367         i40e_fdir_check_and_reenable(pf);
2368         return ret;
2369 }
2370
2371 /**
2372  * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2373  * @vsi: pointer to the targeted VSI
2374  * @cmd: command to get or set RX flow classification rules
2375  *
2376  * Add Flow Director filters for a specific flow spec based on their
2377  * protocol.  Returns 0 if the filters were successfully added.
2378  **/
2379 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2380                                  struct ethtool_rxnfc *cmd)
2381 {
2382         struct ethtool_rx_flow_spec *fsp;
2383         struct i40e_fdir_filter *input;
2384         struct i40e_pf *pf;
2385         int ret = -EINVAL;
2386         u16 vf_id;
2387
2388         if (!vsi)
2389                 return -EINVAL;
2390
2391         pf = vsi->back;
2392
2393         if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2394                 return -EOPNOTSUPP;
2395
2396         if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2397                 return -ENOSPC;
2398
2399         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2400             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2401                 return -EBUSY;
2402
2403         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2404                 return -EBUSY;
2405
2406         fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2407
2408         if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2409                               pf->hw.func_caps.fd_filters_guaranteed)) {
2410                 return -EINVAL;
2411         }
2412
2413         if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2414             (fsp->ring_cookie >= vsi->num_queue_pairs))
2415                 return -EINVAL;
2416
2417         input = kzalloc(sizeof(*input), GFP_KERNEL);
2418
2419         if (!input)
2420                 return -ENOMEM;
2421
2422         input->fd_id = fsp->location;
2423
2424         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2425                 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2426         else
2427                 input->dest_ctl =
2428                              I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2429
2430         input->q_index = fsp->ring_cookie;
2431         input->flex_off = 0;
2432         input->pctype = 0;
2433         input->dest_vsi = vsi->id;
2434         input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2435         input->cnt_index  = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2436         input->flow_type = fsp->flow_type;
2437         input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2438
2439         /* Reverse the src and dest notion, since the HW expects them to be from
2440          * Tx perspective where as the input from user is from Rx filter view.
2441          */
2442         input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2443         input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2444         input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2445         input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2446
2447         if (ntohl(fsp->m_ext.data[1])) {
2448                 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) {
2449                         netif_info(pf, drv, vsi->netdev, "Invalid VF id\n");
2450                         goto free_input;
2451                 }
2452                 vf_id = ntohl(fsp->h_ext.data[1]);
2453                 /* Find vsi id from vf id and override dest vsi */
2454                 input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2455                 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2456                         netif_info(pf, drv, vsi->netdev, "Invalid queue id\n");
2457                         goto free_input;
2458                 }
2459         }
2460
2461         ret = i40e_add_del_fdir(vsi, input, true);
2462 free_input:
2463         if (ret)
2464                 kfree(input);
2465         else
2466                 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2467
2468         return ret;
2469 }
2470
2471 /**
2472  * i40e_set_rxnfc - command to set RX flow classification rules
2473  * @netdev: network interface device structure
2474  * @cmd: ethtool rxnfc command
2475  *
2476  * Returns Success if the command is supported.
2477  **/
2478 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2479 {
2480         struct i40e_netdev_priv *np = netdev_priv(netdev);
2481         struct i40e_vsi *vsi = np->vsi;
2482         struct i40e_pf *pf = vsi->back;
2483         int ret = -EOPNOTSUPP;
2484
2485         switch (cmd->cmd) {
2486         case ETHTOOL_SRXFH:
2487                 ret = i40e_set_rss_hash_opt(pf, cmd);
2488                 break;
2489         case ETHTOOL_SRXCLSRLINS:
2490                 ret = i40e_add_fdir_ethtool(vsi, cmd);
2491                 break;
2492         case ETHTOOL_SRXCLSRLDEL:
2493                 ret = i40e_del_fdir_entry(vsi, cmd);
2494                 break;
2495         default:
2496                 break;
2497         }
2498
2499         return ret;
2500 }
2501
2502 /**
2503  * i40e_max_channels - get Max number of combined channels supported
2504  * @vsi: vsi pointer
2505  **/
2506 static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2507 {
2508         /* TODO: This code assumes DCB and FD is disabled for now. */
2509         return vsi->alloc_queue_pairs;
2510 }
2511
2512 /**
2513  * i40e_get_channels - Get the current channels enabled and max supported etc.
2514  * @netdev: network interface device structure
2515  * @ch: ethtool channels structure
2516  *
2517  * We don't support separate tx and rx queues as channels. The other count
2518  * represents how many queues are being used for control. max_combined counts
2519  * how many queue pairs we can support. They may not be mapped 1 to 1 with
2520  * q_vectors since we support a lot more queue pairs than q_vectors.
2521  **/
2522 static void i40e_get_channels(struct net_device *dev,
2523                                struct ethtool_channels *ch)
2524 {
2525         struct i40e_netdev_priv *np = netdev_priv(dev);
2526         struct i40e_vsi *vsi = np->vsi;
2527         struct i40e_pf *pf = vsi->back;
2528
2529         /* report maximum channels */
2530         ch->max_combined = i40e_max_channels(vsi);
2531
2532         /* report info for other vector */
2533         ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2534         ch->max_other = ch->other_count;
2535
2536         /* Note: This code assumes DCB is disabled for now. */
2537         ch->combined_count = vsi->num_queue_pairs;
2538 }
2539
2540 /**
2541  * i40e_set_channels - Set the new channels count.
2542  * @netdev: network interface device structure
2543  * @ch: ethtool channels structure
2544  *
2545  * The new channels count may not be the same as requested by the user
2546  * since it gets rounded down to a power of 2 value.
2547  **/
2548 static int i40e_set_channels(struct net_device *dev,
2549                               struct ethtool_channels *ch)
2550 {
2551         struct i40e_netdev_priv *np = netdev_priv(dev);
2552         unsigned int count = ch->combined_count;
2553         struct i40e_vsi *vsi = np->vsi;
2554         struct i40e_pf *pf = vsi->back;
2555         int new_count;
2556
2557         /* We do not support setting channels for any other VSI at present */
2558         if (vsi->type != I40E_VSI_MAIN)
2559                 return -EINVAL;
2560
2561         /* verify they are not requesting separate vectors */
2562         if (!count || ch->rx_count || ch->tx_count)
2563                 return -EINVAL;
2564
2565         /* verify other_count has not changed */
2566         if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2567                 return -EINVAL;
2568
2569         /* verify the number of channels does not exceed hardware limits */
2570         if (count > i40e_max_channels(vsi))
2571                 return -EINVAL;
2572
2573         /* update feature limits from largest to smallest supported values */
2574         /* TODO: Flow director limit, DCB etc */
2575
2576         /* use rss_reconfig to rebuild with new queue count and update traffic
2577          * class queue mapping
2578          */
2579         new_count = i40e_reconfig_rss_queues(pf, count);
2580         if (new_count > 0)
2581                 return 0;
2582         else
2583                 return -EINVAL;
2584 }
2585
2586 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
2587 /**
2588  * i40e_get_rxfh_key_size - get the RSS hash key size
2589  * @netdev: network interface device structure
2590  *
2591  * Returns the table size.
2592  **/
2593 static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2594 {
2595         return I40E_HKEY_ARRAY_SIZE;
2596 }
2597
2598 /**
2599  * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2600  * @netdev: network interface device structure
2601  *
2602  * Returns the table size.
2603  **/
2604 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2605 {
2606         return I40E_HLUT_ARRAY_SIZE;
2607 }
2608
2609 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2610                          u8 *hfunc)
2611 {
2612         struct i40e_netdev_priv *np = netdev_priv(netdev);
2613         struct i40e_vsi *vsi = np->vsi;
2614         struct i40e_pf *pf = vsi->back;
2615         struct i40e_hw *hw = &pf->hw;
2616         u32 reg_val;
2617         int i, j;
2618
2619         if (hfunc)
2620                 *hfunc = ETH_RSS_HASH_TOP;
2621
2622         if (!indir)
2623                 return 0;
2624
2625         for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2626                 reg_val = rd32(hw, I40E_PFQF_HLUT(i));
2627                 indir[j++] = reg_val & 0xff;
2628                 indir[j++] = (reg_val >> 8) & 0xff;
2629                 indir[j++] = (reg_val >> 16) & 0xff;
2630                 indir[j++] = (reg_val >> 24) & 0xff;
2631         }
2632
2633         if (key) {
2634                 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2635                         reg_val = rd32(hw, I40E_PFQF_HKEY(i));
2636                         key[j++] = (u8)(reg_val & 0xff);
2637                         key[j++] = (u8)((reg_val >> 8) & 0xff);
2638                         key[j++] = (u8)((reg_val >> 16) & 0xff);
2639                         key[j++] = (u8)((reg_val >> 24) & 0xff);
2640                 }
2641         }
2642         return 0;
2643 }
2644
2645 /**
2646  * i40e_set_rxfh - set the rx flow hash indirection table
2647  * @netdev: network interface device structure
2648  * @indir: indirection table
2649  * @key: hash key
2650  *
2651  * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2652  * returns 0 after programming the table.
2653  **/
2654 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2655                          const u8 *key, const u8 hfunc)
2656 {
2657         struct i40e_netdev_priv *np = netdev_priv(netdev);
2658         struct i40e_vsi *vsi = np->vsi;
2659         struct i40e_pf *pf = vsi->back;
2660         struct i40e_hw *hw = &pf->hw;
2661         u32 reg_val;
2662         int i, j;
2663
2664         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
2665                 return -EOPNOTSUPP;
2666
2667         if (!indir)
2668                 return 0;
2669
2670         for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2671                 reg_val = indir[j++];
2672                 reg_val |= indir[j++] << 8;
2673                 reg_val |= indir[j++] << 16;
2674                 reg_val |= indir[j++] << 24;
2675                 wr32(hw, I40E_PFQF_HLUT(i), reg_val);
2676         }
2677
2678         if (key) {
2679                 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2680                         reg_val = key[j++];
2681                         reg_val |= key[j++] << 8;
2682                         reg_val |= key[j++] << 16;
2683                         reg_val |= key[j++] << 24;
2684                         wr32(hw, I40E_PFQF_HKEY(i), reg_val);
2685                 }
2686         }
2687         return 0;
2688 }
2689
2690 /**
2691  * i40e_get_priv_flags - report device private flags
2692  * @dev: network interface device structure
2693  *
2694  * The get string set count and the string set should be matched for each
2695  * flag returned.  Add new strings for each flag to the i40e_priv_flags_strings
2696  * array.
2697  *
2698  * Returns a u32 bitmap of flags.
2699  **/
2700 static u32 i40e_get_priv_flags(struct net_device *dev)
2701 {
2702         struct i40e_netdev_priv *np = netdev_priv(dev);
2703         struct i40e_vsi *vsi = np->vsi;
2704         struct i40e_pf *pf = vsi->back;
2705         u32 ret_flags = 0;
2706
2707         ret_flags |= pf->hw.func_caps.npar_enable ?
2708                 I40E_PRIV_FLAGS_NPAR_FLAG : 0;
2709         ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ?
2710                 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0;
2711         ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ?
2712                 I40E_PRIV_FLAGS_FD_ATR : 0;
2713         ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ?
2714                 I40E_PRIV_FLAGS_VEB_STATS : 0;
2715
2716         return ret_flags;
2717 }
2718
2719 /**
2720  * i40e_set_priv_flags - set private flags
2721  * @dev: network interface device structure
2722  * @flags: bit flags to be set
2723  **/
2724 static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
2725 {
2726         struct i40e_netdev_priv *np = netdev_priv(dev);
2727         struct i40e_vsi *vsi = np->vsi;
2728         struct i40e_pf *pf = vsi->back;
2729
2730         if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
2731                 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
2732         else
2733                 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;
2734
2735         /* allow the user to control the state of the Flow
2736          * Director ATR (Application Targeted Routing) feature
2737          * of the driver
2738          */
2739         if (flags & I40E_PRIV_FLAGS_FD_ATR) {
2740                 pf->flags |= I40E_FLAG_FD_ATR_ENABLED;
2741         } else {
2742                 pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED;
2743                 pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED;
2744         }
2745
2746         if (flags & I40E_PRIV_FLAGS_VEB_STATS)
2747                 pf->flags |= I40E_FLAG_VEB_STATS_ENABLED;
2748         else
2749                 pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED;
2750
2751         return 0;
2752 }
2753
2754 static const struct ethtool_ops i40e_ethtool_ops = {
2755         .get_settings           = i40e_get_settings,
2756         .set_settings           = i40e_set_settings,
2757         .get_drvinfo            = i40e_get_drvinfo,
2758         .get_regs_len           = i40e_get_regs_len,
2759         .get_regs               = i40e_get_regs,
2760         .nway_reset             = i40e_nway_reset,
2761         .get_link               = ethtool_op_get_link,
2762         .get_wol                = i40e_get_wol,
2763         .set_wol                = i40e_set_wol,
2764         .set_eeprom             = i40e_set_eeprom,
2765         .get_eeprom_len         = i40e_get_eeprom_len,
2766         .get_eeprom             = i40e_get_eeprom,
2767         .get_ringparam          = i40e_get_ringparam,
2768         .set_ringparam          = i40e_set_ringparam,
2769         .get_pauseparam         = i40e_get_pauseparam,
2770         .set_pauseparam         = i40e_set_pauseparam,
2771         .get_msglevel           = i40e_get_msglevel,
2772         .set_msglevel           = i40e_set_msglevel,
2773         .get_rxnfc              = i40e_get_rxnfc,
2774         .set_rxnfc              = i40e_set_rxnfc,
2775         .self_test              = i40e_diag_test,
2776         .get_strings            = i40e_get_strings,
2777         .set_phys_id            = i40e_set_phys_id,
2778         .get_sset_count         = i40e_get_sset_count,
2779         .get_ethtool_stats      = i40e_get_ethtool_stats,
2780         .get_coalesce           = i40e_get_coalesce,
2781         .set_coalesce           = i40e_set_coalesce,
2782         .get_rxfh_key_size      = i40e_get_rxfh_key_size,
2783         .get_rxfh_indir_size    = i40e_get_rxfh_indir_size,
2784         .get_rxfh               = i40e_get_rxfh,
2785         .set_rxfh               = i40e_set_rxfh,
2786         .get_channels           = i40e_get_channels,
2787         .set_channels           = i40e_set_channels,
2788         .get_ts_info            = i40e_get_ts_info,
2789         .get_priv_flags         = i40e_get_priv_flags,
2790         .set_priv_flags         = i40e_set_priv_flags,
2791 };
2792
2793 void i40e_set_ethtool_ops(struct net_device *netdev)
2794 {
2795         netdev->ethtool_ops = &i40e_ethtool_ops;
2796 }