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

   1 /*******************************************************************************
   2  *
   3  * Intel Ethernet Controller XL710 Family Linux Driver
   4  * Copyright(c) 2013 - 2015 Intel Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * The full GNU General Public License is included in this distribution in
  19  * the file called "COPYING".
  20  *
  21  * Contact Information:
  22  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  ******************************************************************************/
  26
  27 /* ethtool support for i40e */
  28
  29 #include "i40e.h"
  30 #include "i40e_diag.h"
  31
  32 struct i40e_stats {
  33         char stat_string[ETH_GSTRING_LEN];
  34         int sizeof_stat;
  35         int stat_offset;
  36 };
  37
  38 #define I40E_STAT(_type, _name, _stat) { \
  39         .stat_string = _name, \
  40         .sizeof_stat = FIELD_SIZEOF(_type, _stat), \
  41         .stat_offset = offsetof(_type, _stat) \
  42 }
  43
  44 #define I40E_NETDEV_STAT(_net_stat) \
  45                 I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat)
  46 #define I40E_PF_STAT(_name, _stat) \
  47                 I40E_STAT(struct i40e_pf, _name, _stat)
  48 #define I40E_VSI_STAT(_name, _stat) \
  49                 I40E_STAT(struct i40e_vsi, _name, _stat)
  50 #define I40E_VEB_STAT(_name, _stat) \
  51                 I40E_STAT(struct i40e_veb, _name, _stat)
  52
  53 static const struct i40e_stats i40e_gstrings_net_stats[] = {
  54         I40E_NETDEV_STAT(rx_packets),
  55         I40E_NETDEV_STAT(tx_packets),
  56         I40E_NETDEV_STAT(rx_bytes),
  57         I40E_NETDEV_STAT(tx_bytes),
  58         I40E_NETDEV_STAT(rx_errors),
  59         I40E_NETDEV_STAT(tx_errors),
  60         I40E_NETDEV_STAT(rx_dropped),
  61         I40E_NETDEV_STAT(tx_dropped),
  62         I40E_NETDEV_STAT(collisions),
  63         I40E_NETDEV_STAT(rx_length_errors),
  64         I40E_NETDEV_STAT(rx_crc_errors),
  65 };
  66
  67 static const struct i40e_stats i40e_gstrings_veb_stats[] = {
  68         I40E_VEB_STAT("rx_bytes", stats.rx_bytes),
  69         I40E_VEB_STAT("tx_bytes", stats.tx_bytes),
  70         I40E_VEB_STAT("rx_unicast", stats.rx_unicast),
  71         I40E_VEB_STAT("tx_unicast", stats.tx_unicast),
  72         I40E_VEB_STAT("rx_multicast", stats.rx_multicast),
  73         I40E_VEB_STAT("tx_multicast", stats.tx_multicast),
  74         I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast),
  75         I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast),
  76         I40E_VEB_STAT("rx_discards", stats.rx_discards),
  77         I40E_VEB_STAT("tx_discards", stats.tx_discards),
  78         I40E_VEB_STAT("tx_errors", stats.tx_errors),
  79         I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol),
  80 };
  81
  82 static const struct i40e_stats i40e_gstrings_misc_stats[] = {
  83         I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
  84         I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
  85         I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
  86         I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
  87         I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
  88         I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
  89         I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
  90         I40E_VSI_STAT("tx_linearize", tx_linearize),
  91 };
  92
  93 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
  94                                  struct ethtool_rxnfc *cmd);
  95
  96 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
  97  * but they are separate.  This device supports Virtualization, and
  98  * as such might have several netdevs supporting VMDq and FCoE going
  99  * through a single port.  The NETDEV_STATs are for individual netdevs
 100  * seen at the top of the stack, and the PF_STATs are for the physical
 101  * function at the bottom of the stack hosting those netdevs.
 102  *
 103  * The PF_STATs are appended to the netdev stats only when ethtool -S
 104  * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
 105  */
 106 static struct i40e_stats i40e_gstrings_stats[] = {
 107         I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
 108         I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
 109         I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
 110         I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
 111         I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
 112         I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
 113         I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
 114         I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
 115         I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
 116         I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
 117         I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
 118         I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
 119         I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
 120         I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
 121         I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
 122         I40E_PF_STAT("tx_timeout", tx_timeout_count),
 123         I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
 124         I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
 125         I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
 126         I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
 127         I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
 128         I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
 129         I40E_PF_STAT("rx_size_64", stats.rx_size_64),
 130         I40E_PF_STAT("rx_size_127", stats.rx_size_127),
 131         I40E_PF_STAT("rx_size_255", stats.rx_size_255),
 132         I40E_PF_STAT("rx_size_511", stats.rx_size_511),
 133         I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
 134         I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
 135         I40E_PF_STAT("rx_size_big", stats.rx_size_big),
 136         I40E_PF_STAT("tx_size_64", stats.tx_size_64),
 137         I40E_PF_STAT("tx_size_127", stats.tx_size_127),
 138         I40E_PF_STAT("tx_size_255", stats.tx_size_255),
 139         I40E_PF_STAT("tx_size_511", stats.tx_size_511),
 140         I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
 141         I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
 142         I40E_PF_STAT("tx_size_big", stats.tx_size_big),
 143         I40E_PF_STAT("rx_undersize", stats.rx_undersize),
 144         I40E_PF_STAT("rx_fragments", stats.rx_fragments),
 145         I40E_PF_STAT("rx_oversize", stats.rx_oversize),
 146         I40E_PF_STAT("rx_jabber", stats.rx_jabber),
 147         I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
 148         I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
 149         I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
 150         I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
 151         I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
 152         I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
 153         I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
 154         I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
 155
 156         /* LPI stats */
 157         I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
 158         I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
 159         I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
 160         I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
 161 };
 162
 163 #ifdef I40E_FCOE
 164 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
 165         I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
 166         I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
 167         I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
 168         I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
 169         I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
 170         I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
 171         I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
 172         I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
 173 };
 174
 175 #endif /* I40E_FCOE */
 176 #define I40E_QUEUE_STATS_LEN(n) \
 177         (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
 178             * 2 /* Tx and Rx together */                                     \
 179             * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
 180 #define I40E_GLOBAL_STATS_LEN   ARRAY_SIZE(i40e_gstrings_stats)
 181 #define I40E_NETDEV_STATS_LEN   ARRAY_SIZE(i40e_gstrings_net_stats)
 182 #define I40E_MISC_STATS_LEN     ARRAY_SIZE(i40e_gstrings_misc_stats)
 183 #ifdef I40E_FCOE
 184 #define I40E_FCOE_STATS_LEN     ARRAY_SIZE(i40e_gstrings_fcoe_stats)
 185 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 186                                  I40E_FCOE_STATS_LEN + \
 187                                  I40E_MISC_STATS_LEN + \
 188                                  I40E_QUEUE_STATS_LEN((n)))
 189 #else
 190 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 191                                  I40E_MISC_STATS_LEN + \
 192                                  I40E_QUEUE_STATS_LEN((n)))
 193 #endif /* I40E_FCOE */
 194 #define I40E_PFC_STATS_LEN ( \
 195                 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
 196                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
 197                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
 198                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
 199                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
 200                  / sizeof(u64))
 201 #define I40E_VEB_TC_STATS_LEN ( \
 202                 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
 203                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
 204                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
 205                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
 206                  / sizeof(u64))
 207 #define I40E_VEB_STATS_LEN      ARRAY_SIZE(i40e_gstrings_veb_stats)
 208 #define I40E_VEB_STATS_TOTAL    (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
 209 #define I40E_PF_STATS_LEN(n)    (I40E_GLOBAL_STATS_LEN + \
 210                                  I40E_PFC_STATS_LEN + \
 211                                  I40E_VSI_STATS_LEN((n)))
 212
 213 enum i40e_ethtool_test_id {
 214         I40E_ETH_TEST_REG = 0,
 215         I40E_ETH_TEST_EEPROM,
 216         I40E_ETH_TEST_INTR,
 217         I40E_ETH_TEST_LOOPBACK,
 218         I40E_ETH_TEST_LINK,
 219 };
 220
 221 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
 222         "Register test  (offline)",
 223         "Eeprom test    (offline)",
 224         "Interrupt test (offline)",
 225         "Loopback test  (offline)",
 226         "Link test   (on/offline)"
 227 };
 228
 229 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
 230
 231 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
 232         "NPAR",
 233         "LinkPolling",
 234 };
 235
 236 #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings)
 237
 238 /**
 239  * i40e_partition_setting_complaint - generic complaint for MFP restriction
 240  * @pf: the PF struct
 241  **/
 242 static void i40e_partition_setting_complaint(struct i40e_pf *pf)
 243 {
 244         dev_info(&pf->pdev->dev,
 245                  "The link settings are allowed to be changed only from the first partition of a given port. Please switch to the first partition in order to change the setting.\n");
 246 }
 247
 248 /**
 249  * i40e_get_settings_link_up - Get the Link settings for when link is up
 250  * @hw: hw structure
 251  * @ecmd: ethtool command to fill in
 252  * @netdev: network interface device structure
 253  *
 254  **/
 255 static void i40e_get_settings_link_up(struct i40e_hw *hw,
 256                                       struct ethtool_cmd *ecmd,
 257                                       struct net_device *netdev)
 258 {
 259         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 260         u32 link_speed = hw_link_info->link_speed;
 261
 262         /* Initialize supported and advertised settings based on phy settings */
 263         switch (hw_link_info->phy_type) {
 264         case I40E_PHY_TYPE_40GBASE_CR4:
 265         case I40E_PHY_TYPE_40GBASE_CR4_CU:
 266                 ecmd->supported = SUPPORTED_Autoneg |
 267                                   SUPPORTED_40000baseCR4_Full;
 268                 ecmd->advertising = ADVERTISED_Autoneg |
 269                                     ADVERTISED_40000baseCR4_Full;
 270                 break;
 271         case I40E_PHY_TYPE_XLAUI:
 272         case I40E_PHY_TYPE_XLPPI:
 273         case I40E_PHY_TYPE_40GBASE_AOC:
 274                 ecmd->supported = SUPPORTED_40000baseCR4_Full;
 275                 break;
 276         case I40E_PHY_TYPE_40GBASE_KR4:
 277                 ecmd->supported = SUPPORTED_Autoneg |
 278                                   SUPPORTED_40000baseKR4_Full;
 279                 ecmd->advertising = ADVERTISED_Autoneg |
 280                                     ADVERTISED_40000baseKR4_Full;
 281                 break;
 282         case I40E_PHY_TYPE_40GBASE_SR4:
 283                 ecmd->supported = SUPPORTED_40000baseSR4_Full;
 284                 break;
 285         case I40E_PHY_TYPE_40GBASE_LR4:
 286                 ecmd->supported = SUPPORTED_40000baseLR4_Full;
 287                 break;
 288         case I40E_PHY_TYPE_20GBASE_KR2:
 289                 ecmd->supported = SUPPORTED_Autoneg |
 290                                   SUPPORTED_20000baseKR2_Full;
 291                 ecmd->advertising = ADVERTISED_Autoneg |
 292                                     ADVERTISED_20000baseKR2_Full;
 293                 break;
 294         case I40E_PHY_TYPE_10GBASE_KX4:
 295                 ecmd->supported = SUPPORTED_Autoneg |
 296                                   SUPPORTED_10000baseKX4_Full;
 297                 ecmd->advertising = ADVERTISED_Autoneg |
 298                                     ADVERTISED_10000baseKX4_Full;
 299                 break;
 300         case I40E_PHY_TYPE_10GBASE_KR:
 301                 ecmd->supported = SUPPORTED_Autoneg |
 302                                   SUPPORTED_10000baseKR_Full;
 303                 ecmd->advertising = ADVERTISED_Autoneg |
 304                                     ADVERTISED_10000baseKR_Full;
 305                 break;
 306         case I40E_PHY_TYPE_10GBASE_SR:
 307         case I40E_PHY_TYPE_10GBASE_LR:
 308         case I40E_PHY_TYPE_1000BASE_SX:
 309         case I40E_PHY_TYPE_1000BASE_LX:
 310                 ecmd->supported = SUPPORTED_10000baseT_Full |
 311                                   SUPPORTED_1000baseT_Full;
 312                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 313                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 314                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 315                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 316                 break;
 317         case I40E_PHY_TYPE_1000BASE_KX:
 318                 ecmd->supported = SUPPORTED_Autoneg |
 319                                   SUPPORTED_1000baseKX_Full;
 320                 ecmd->advertising = ADVERTISED_Autoneg |
 321                                     ADVERTISED_1000baseKX_Full;
 322                 break;
 323         case I40E_PHY_TYPE_10GBASE_T:
 324         case I40E_PHY_TYPE_1000BASE_T:
 325         case I40E_PHY_TYPE_100BASE_TX:
 326                 ecmd->supported = SUPPORTED_Autoneg |
 327                                   SUPPORTED_10000baseT_Full |
 328                                   SUPPORTED_1000baseT_Full |
 329                                   SUPPORTED_100baseT_Full;
 330                 ecmd->advertising = ADVERTISED_Autoneg;
 331                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 332                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 333                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 334                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 335                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 336                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 337                 break;
 338         case I40E_PHY_TYPE_10GBASE_CR1_CU:
 339         case I40E_PHY_TYPE_10GBASE_CR1:
 340                 ecmd->supported = SUPPORTED_Autoneg |
 341                                   SUPPORTED_10000baseT_Full;
 342                 ecmd->advertising = ADVERTISED_Autoneg |
 343                                     ADVERTISED_10000baseT_Full;
 344                 break;
 345         case I40E_PHY_TYPE_XAUI:
 346         case I40E_PHY_TYPE_XFI:
 347         case I40E_PHY_TYPE_SFI:
 348         case I40E_PHY_TYPE_10GBASE_SFPP_CU:
 349         case I40E_PHY_TYPE_10GBASE_AOC:
 350                 ecmd->supported = SUPPORTED_10000baseT_Full;
 351                 break;
 352         case I40E_PHY_TYPE_SGMII:
 353                 ecmd->supported = SUPPORTED_Autoneg |
 354                                   SUPPORTED_1000baseT_Full |
 355                                   SUPPORTED_100baseT_Full;
 356                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 357                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 358                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 359                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 360                 break;
 361         default:
 362                 /* if we got here and link is up something bad is afoot */
 363                 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
 364                             hw_link_info->phy_type);
 365         }
 366
 367         /* Set speed and duplex */
 368         switch (link_speed) {
 369         case I40E_LINK_SPEED_40GB:
 370                 ethtool_cmd_speed_set(ecmd, SPEED_40000);
 371                 break;
 372         case I40E_LINK_SPEED_20GB:
 373                 ethtool_cmd_speed_set(ecmd, SPEED_20000);
 374                 break;
 375         case I40E_LINK_SPEED_10GB:
 376                 ethtool_cmd_speed_set(ecmd, SPEED_10000);
 377                 break;
 378         case I40E_LINK_SPEED_1GB:
 379                 ethtool_cmd_speed_set(ecmd, SPEED_1000);
 380                 break;
 381         case I40E_LINK_SPEED_100MB:
 382                 ethtool_cmd_speed_set(ecmd, SPEED_100);
 383                 break;
 384         default:
 385                 break;
 386         }
 387         ecmd->duplex = DUPLEX_FULL;
 388 }
 389
 390 /**
 391  * i40e_get_settings_link_down - Get the Link settings for when link is down
 392  * @hw: hw structure
 393  * @ecmd: ethtool command to fill in
 394  *
 395  * Reports link settings that can be determined when link is down
 396  **/
 397 static void i40e_get_settings_link_down(struct i40e_hw *hw,
 398                                         struct ethtool_cmd *ecmd)
 399 {
 400         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 401
 402         /* link is down and the driver needs to fall back on
 403          * device ID to determine what kinds of info to display,
 404          * it's mostly a guess that may change when link is up
 405          */
 406         switch (hw->device_id) {
 407         case I40E_DEV_ID_QSFP_A:
 408         case I40E_DEV_ID_QSFP_B:
 409         case I40E_DEV_ID_QSFP_C:
 410                 /* pluggable QSFP */
 411                 ecmd->supported = SUPPORTED_40000baseSR4_Full |
 412                                   SUPPORTED_40000baseCR4_Full |
 413                                   SUPPORTED_40000baseLR4_Full;
 414                 ecmd->advertising = ADVERTISED_40000baseSR4_Full |
 415                                     ADVERTISED_40000baseCR4_Full |
 416                                     ADVERTISED_40000baseLR4_Full;
 417                 break;
 418         case I40E_DEV_ID_KX_B:
 419                 /* backplane 40G */
 420                 ecmd->supported = SUPPORTED_40000baseKR4_Full;
 421                 ecmd->advertising = ADVERTISED_40000baseKR4_Full;
 422                 break;
 423         case I40E_DEV_ID_KX_C:
 424                 /* backplane 10G */
 425                 ecmd->supported = SUPPORTED_10000baseKR_Full;
 426                 ecmd->advertising = ADVERTISED_10000baseKR_Full;
 427                 break;
 428         case I40E_DEV_ID_10G_BASE_T:
 429         case I40E_DEV_ID_10G_BASE_T4:
 430                 ecmd->supported = SUPPORTED_10000baseT_Full |
 431                                   SUPPORTED_1000baseT_Full |
 432                                   SUPPORTED_100baseT_Full;
 433                 /* Figure out what has been requested */
 434                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 435                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 436                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 437                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 438                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 439                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 440                 break;
 441         case I40E_DEV_ID_20G_KR2:
 442         case I40E_DEV_ID_20G_KR2_A:
 443                 /* backplane 20G */
 444                 ecmd->supported = SUPPORTED_20000baseKR2_Full;
 445                 ecmd->advertising = ADVERTISED_20000baseKR2_Full;
 446                 break;
 447         default:
 448                 /* all the rest are 10G/1G */
 449                 ecmd->supported = SUPPORTED_10000baseT_Full |
 450                                   SUPPORTED_1000baseT_Full;
 451                 /* Figure out what has been requested */
 452                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 453                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 454                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 455                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 456                 break;
 457         }
 458
 459         /* With no link speed and duplex are unknown */
 460         ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
 461         ecmd->duplex = DUPLEX_UNKNOWN;
 462 }
 463
 464 /**
 465  * i40e_get_settings - Get Link Speed and Duplex settings
 466  * @netdev: network interface device structure
 467  * @ecmd: ethtool command
 468  *
 469  * Reports speed/duplex settings based on media_type
 470  **/
 471 static int i40e_get_settings(struct net_device *netdev,
 472                              struct ethtool_cmd *ecmd)
 473 {
 474         struct i40e_netdev_priv *np = netdev_priv(netdev);
 475         struct i40e_pf *pf = np->vsi->back;
 476         struct i40e_hw *hw = &pf->hw;
 477         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 478         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 479
 480         if (link_up)
 481                 i40e_get_settings_link_up(hw, ecmd, netdev);
 482         else
 483                 i40e_get_settings_link_down(hw, ecmd);
 484
 485         /* Now set the settings that don't rely on link being up/down */
 486
 487         /* Set autoneg settings */
 488         ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 489                           AUTONEG_ENABLE : AUTONEG_DISABLE);
 490
 491         switch (hw->phy.media_type) {
 492         case I40E_MEDIA_TYPE_BACKPLANE:
 493                 ecmd->supported |= SUPPORTED_Autoneg |
 494                                    SUPPORTED_Backplane;
 495                 ecmd->advertising |= ADVERTISED_Autoneg |
 496                                      ADVERTISED_Backplane;
 497                 ecmd->port = PORT_NONE;
 498                 break;
 499         case I40E_MEDIA_TYPE_BASET:
 500                 ecmd->supported |= SUPPORTED_TP;
 501                 ecmd->advertising |= ADVERTISED_TP;
 502                 ecmd->port = PORT_TP;
 503                 break;
 504         case I40E_MEDIA_TYPE_DA:
 505         case I40E_MEDIA_TYPE_CX4:
 506                 ecmd->supported |= SUPPORTED_FIBRE;
 507                 ecmd->advertising |= ADVERTISED_FIBRE;
 508                 ecmd->port = PORT_DA;
 509                 break;
 510         case I40E_MEDIA_TYPE_FIBER:
 511                 ecmd->supported |= SUPPORTED_FIBRE;
 512                 ecmd->port = PORT_FIBRE;
 513                 break;
 514         case I40E_MEDIA_TYPE_UNKNOWN:
 515         default:
 516                 ecmd->port = PORT_OTHER;
 517                 break;
 518         }
 519
 520         /* Set transceiver */
 521         ecmd->transceiver = XCVR_EXTERNAL;
 522
 523         /* Set flow control settings */
 524         ecmd->supported |= SUPPORTED_Pause;
 525
 526         switch (hw->fc.requested_mode) {
 527         case I40E_FC_FULL:
 528                 ecmd->advertising |= ADVERTISED_Pause;
 529                 break;
 530         case I40E_FC_TX_PAUSE:
 531                 ecmd->advertising |= ADVERTISED_Asym_Pause;
 532                 break;
 533         case I40E_FC_RX_PAUSE:
 534                 ecmd->advertising |= (ADVERTISED_Pause |
 535                                       ADVERTISED_Asym_Pause);
 536                 break;
 537         default:
 538                 ecmd->advertising &= ~(ADVERTISED_Pause |
 539                                        ADVERTISED_Asym_Pause);
 540                 break;
 541         }
 542
 543         return 0;
 544 }
 545
 546 /**
 547  * i40e_set_settings - Set Speed and Duplex
 548  * @netdev: network interface device structure
 549  * @ecmd: ethtool command
 550  *
 551  * Set speed/duplex per media_types advertised/forced
 552  **/
 553 static int i40e_set_settings(struct net_device *netdev,
 554                              struct ethtool_cmd *ecmd)
 555 {
 556         struct i40e_netdev_priv *np = netdev_priv(netdev);
 557         struct i40e_aq_get_phy_abilities_resp abilities;
 558         struct i40e_aq_set_phy_config config;
 559         struct i40e_pf *pf = np->vsi->back;
 560         struct i40e_vsi *vsi = np->vsi;
 561         struct i40e_hw *hw = &pf->hw;
 562         struct ethtool_cmd safe_ecmd;
 563         i40e_status status = 0;
 564         bool change = false;
 565         int err = 0;
 566         u8 autoneg;
 567         u32 advertise;
 568
 569         /* Changing port settings is not supported if this isn't the
 570          * port's controlling PF
 571          */
 572         if (hw->partition_id != 1) {
 573                 i40e_partition_setting_complaint(pf);
 574                 return -EOPNOTSUPP;
 575         }
 576
 577         if (vsi != pf->vsi[pf->lan_vsi])
 578                 return -EOPNOTSUPP;
 579
 580         if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
 581             hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
 582             hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
 583             hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
 584                 return -EOPNOTSUPP;
 585
 586         /* get our own copy of the bits to check against */
 587         memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
 588         i40e_get_settings(netdev, &safe_ecmd);
 589
 590         /* save autoneg and speed out of ecmd */
 591         autoneg = ecmd->autoneg;
 592         advertise = ecmd->advertising;
 593
 594         /* set autoneg and speed back to what they currently are */
 595         ecmd->autoneg = safe_ecmd.autoneg;
 596         ecmd->advertising = safe_ecmd.advertising;
 597
 598         ecmd->cmd = safe_ecmd.cmd;
 599         /* If ecmd and safe_ecmd are not the same now, then they are
 600          * trying to set something that we do not support
 601          */
 602         if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
 603                 return -EOPNOTSUPP;
 604
 605         while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
 606                 usleep_range(1000, 2000);
 607
 608         /* Get the current phy config */
 609         status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
 610                                               NULL);
 611         if (status)
 612                 return -EAGAIN;
 613
 614         /* Copy abilities to config in case autoneg is not
 615          * set below
 616          */
 617         memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
 618         config.abilities = abilities.abilities;
 619
 620         /* Check autoneg */
 621         if (autoneg == AUTONEG_ENABLE) {
 622                 /* If autoneg is not supported, return error */
 623                 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
 624                         netdev_info(netdev, "Autoneg not supported on this phy\n");
 625                         return -EINVAL;
 626                 }
 627                 /* If autoneg was not already enabled */
 628                 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
 629                         config.abilities = abilities.abilities |
 630                                            I40E_AQ_PHY_ENABLE_AN;
 631                         change = true;
 632                 }
 633         } else {
 634                 /* If autoneg is supported 10GBASE_T is the only phy that
 635                  * can disable it, so otherwise return error
 636                  */
 637                 if (safe_ecmd.supported & SUPPORTED_Autoneg &&
 638                     hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) {
 639                         netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
 640                         return -EINVAL;
 641                 }
 642                 /* If autoneg is currently enabled */
 643                 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
 644                         config.abilities = abilities.abilities &
 645                                            ~I40E_AQ_PHY_ENABLE_AN;
 646                         change = true;
 647                 }
 648         }
 649
 650         if (advertise & ~safe_ecmd.supported)
 651                 return -EINVAL;
 652
 653         if (advertise & ADVERTISED_100baseT_Full)
 654                 config.link_speed |= I40E_LINK_SPEED_100MB;
 655         if (advertise & ADVERTISED_1000baseT_Full ||
 656             advertise & ADVERTISED_1000baseKX_Full)
 657                 config.link_speed |= I40E_LINK_SPEED_1GB;
 658         if (advertise & ADVERTISED_10000baseT_Full ||
 659             advertise & ADVERTISED_10000baseKX4_Full ||
 660             advertise & ADVERTISED_10000baseKR_Full)
 661                 config.link_speed |= I40E_LINK_SPEED_10GB;
 662         if (advertise & ADVERTISED_20000baseKR2_Full)
 663                 config.link_speed |= I40E_LINK_SPEED_20GB;
 664         if (advertise & ADVERTISED_40000baseKR4_Full ||
 665             advertise & ADVERTISED_40000baseCR4_Full ||
 666             advertise & ADVERTISED_40000baseSR4_Full ||
 667             advertise & ADVERTISED_40000baseLR4_Full)
 668                 config.link_speed |= I40E_LINK_SPEED_40GB;
 669
 670         /* If speed didn't get set, set it to what it currently is.
 671          * This is needed because if advertise is 0 (as it is when autoneg
 672          * is disabled) then speed won't get set.
 673          */
 674         if (!config.link_speed)
 675                 config.link_speed = abilities.link_speed;
 676
 677         if (change || (abilities.link_speed != config.link_speed)) {
 678                 /* copy over the rest of the abilities */
 679                 config.phy_type = abilities.phy_type;
 680                 config.eee_capability = abilities.eee_capability;
 681                 config.eeer = abilities.eeer_val;
 682                 config.low_power_ctrl = abilities.d3_lpan;
 683
 684                 /* save the requested speeds */
 685                 hw->phy.link_info.requested_speeds = config.link_speed;
 686                 /* set link and auto negotiation so changes take effect */
 687                 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
 688                 /* If link is up put link down */
 689                 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
 690                         /* Tell the OS link is going down, the link will go
 691                          * back up when fw says it is ready asynchronously
 692                          */
 693                         i40e_print_link_message(vsi, false);
 694                         netif_carrier_off(netdev);
 695                         netif_tx_stop_all_queues(netdev);
 696                 }
 697
 698                 /* make the aq call */
 699                 status = i40e_aq_set_phy_config(hw, &config, NULL);
 700                 if (status) {
 701                         netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
 702                                     i40e_stat_str(hw, status),
 703                                     i40e_aq_str(hw, hw->aq.asq_last_status));
 704                         return -EAGAIN;
 705                 }
 706
 707                 status = i40e_aq_get_link_info(hw, true, NULL, NULL);
 708                 if (status)
 709                         netdev_info(netdev, "Updating link info failed with err %s aq_err %s\n",
 710                                     i40e_stat_str(hw, status),
 711                                     i40e_aq_str(hw, hw->aq.asq_last_status));
 712
 713         } else {
 714                 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
 715         }
 716
 717         return err;
 718 }
 719
 720 static int i40e_nway_reset(struct net_device *netdev)
 721 {
 722         /* restart autonegotiation */
 723         struct i40e_netdev_priv *np = netdev_priv(netdev);
 724         struct i40e_pf *pf = np->vsi->back;
 725         struct i40e_hw *hw = &pf->hw;
 726         bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
 727         i40e_status ret = 0;
 728
 729         ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
 730         if (ret) {
 731                 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
 732                             i40e_stat_str(hw, ret),
 733                             i40e_aq_str(hw, hw->aq.asq_last_status));
 734                 return -EIO;
 735         }
 736
 737         return 0;
 738 }
 739
 740 /**
 741  * i40e_get_pauseparam -  Get Flow Control status
 742  * Return tx/rx-pause status
 743  **/
 744 static void i40e_get_pauseparam(struct net_device *netdev,
 745                                 struct ethtool_pauseparam *pause)
 746 {
 747         struct i40e_netdev_priv *np = netdev_priv(netdev);
 748         struct i40e_pf *pf = np->vsi->back;
 749         struct i40e_hw *hw = &pf->hw;
 750         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 751         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 752
 753         pause->autoneg =
 754                 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 755                   AUTONEG_ENABLE : AUTONEG_DISABLE);
 756
 757         /* PFC enabled so report LFC as off */
 758         if (dcbx_cfg->pfc.pfcenable) {
 759                 pause->rx_pause = 0;
 760                 pause->tx_pause = 0;
 761                 return;
 762         }
 763
 764         if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
 765                 pause->rx_pause = 1;
 766         } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
 767                 pause->tx_pause = 1;
 768         } else if (hw->fc.current_mode == I40E_FC_FULL) {
 769                 pause->rx_pause = 1;
 770                 pause->tx_pause = 1;
 771         }
 772 }
 773
 774 /**
 775  * i40e_set_pauseparam - Set Flow Control parameter
 776  * @netdev: network interface device structure
 777  * @pause: return tx/rx flow control status
 778  **/
 779 static int i40e_set_pauseparam(struct net_device *netdev,
 780                                struct ethtool_pauseparam *pause)
 781 {
 782         struct i40e_netdev_priv *np = netdev_priv(netdev);
 783         struct i40e_pf *pf = np->vsi->back;
 784         struct i40e_vsi *vsi = np->vsi;
 785         struct i40e_hw *hw = &pf->hw;
 786         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 787         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 788         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 789         i40e_status status;
 790         u8 aq_failures;
 791         int err = 0;
 792
 793         /* Changing the port's flow control is not supported if this isn't the
 794          * port's controlling PF
 795          */
 796         if (hw->partition_id != 1) {
 797                 i40e_partition_setting_complaint(pf);
 798                 return -EOPNOTSUPP;
 799         }
 800
 801         if (vsi != pf->vsi[pf->lan_vsi])
 802                 return -EOPNOTSUPP;
 803
 804         if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 805             AUTONEG_ENABLE : AUTONEG_DISABLE)) {
 806                 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
 807                 return -EOPNOTSUPP;
 808         }
 809
 810         /* If we have link and don't have autoneg */
 811         if (!test_bit(__I40E_DOWN, &pf->state) &&
 812             !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
 813                 /* Send message that it might not necessarily work*/
 814                 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
 815         }
 816
 817         if (dcbx_cfg->pfc.pfcenable) {
 818                 netdev_info(netdev,
 819                             "Priority flow control enabled. Cannot set link flow control.\n");
 820                 return -EOPNOTSUPP;
 821         }
 822
 823         if (pause->rx_pause && pause->tx_pause)
 824                 hw->fc.requested_mode = I40E_FC_FULL;
 825         else if (pause->rx_pause && !pause->tx_pause)
 826                 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
 827         else if (!pause->rx_pause && pause->tx_pause)
 828                 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
 829         else if (!pause->rx_pause && !pause->tx_pause)
 830                 hw->fc.requested_mode = I40E_FC_NONE;
 831         else
 832                  return -EINVAL;
 833
 834         /* Tell the OS link is going down, the link will go back up when fw
 835          * says it is ready asynchronously
 836          */
 837         i40e_print_link_message(vsi, false);
 838         netif_carrier_off(netdev);
 839         netif_tx_stop_all_queues(netdev);
 840
 841         /* Set the fc mode and only restart an if link is up*/
 842         status = i40e_set_fc(hw, &aq_failures, link_up);
 843
 844         if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
 845                 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
 846                             i40e_stat_str(hw, status),
 847                             i40e_aq_str(hw, hw->aq.asq_last_status));
 848                 err = -EAGAIN;
 849         }
 850         if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
 851                 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
 852                             i40e_stat_str(hw, status),
 853                             i40e_aq_str(hw, hw->aq.asq_last_status));
 854                 err = -EAGAIN;
 855         }
 856         if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
 857                 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
 858                             i40e_stat_str(hw, status),
 859                             i40e_aq_str(hw, hw->aq.asq_last_status));
 860                 err = -EAGAIN;
 861         }
 862
 863         if (!test_bit(__I40E_DOWN, &pf->state)) {
 864                 /* Give it a little more time to try to come back */
 865                 msleep(75);
 866                 if (!test_bit(__I40E_DOWN, &pf->state))
 867                         return i40e_nway_reset(netdev);
 868         }
 869
 870         return err;
 871 }
 872
 873 static u32 i40e_get_msglevel(struct net_device *netdev)
 874 {
 875         struct i40e_netdev_priv *np = netdev_priv(netdev);
 876         struct i40e_pf *pf = np->vsi->back;
 877
 878         return pf->msg_enable;
 879 }
 880
 881 static void i40e_set_msglevel(struct net_device *netdev, u32 data)
 882 {
 883         struct i40e_netdev_priv *np = netdev_priv(netdev);
 884         struct i40e_pf *pf = np->vsi->back;
 885
 886         if (I40E_DEBUG_USER & data)
 887                 pf->hw.debug_mask = data;
 888         pf->msg_enable = data;
 889 }
 890
 891 static int i40e_get_regs_len(struct net_device *netdev)
 892 {
 893         int reg_count = 0;
 894         int i;
 895
 896         for (i = 0; i40e_reg_list[i].offset != 0; i++)
 897                 reg_count += i40e_reg_list[i].elements;
 898
 899         return reg_count * sizeof(u32);
 900 }
 901
 902 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
 903                           void *p)
 904 {
 905         struct i40e_netdev_priv *np = netdev_priv(netdev);
 906         struct i40e_pf *pf = np->vsi->back;
 907         struct i40e_hw *hw = &pf->hw;
 908         u32 *reg_buf = p;
 909         int i, j, ri;
 910         u32 reg;
 911
 912         /* Tell ethtool which driver-version-specific regs output we have.
 913          *
 914          * At some point, if we have ethtool doing special formatting of
 915          * this data, it will rely on this version number to know how to
 916          * interpret things.  Hence, this needs to be updated if/when the
 917          * diags register table is changed.
 918          */
 919         regs->version = 1;
 920
 921         /* loop through the diags reg table for what to print */
 922         ri = 0;
 923         for (i = 0; i40e_reg_list[i].offset != 0; i++) {
 924                 for (j = 0; j < i40e_reg_list[i].elements; j++) {
 925                         reg = i40e_reg_list[i].offset
 926                                 + (j * i40e_reg_list[i].stride);
 927                         reg_buf[ri++] = rd32(hw, reg);
 928                 }
 929         }
 930
 931 }
 932
 933 static int i40e_get_eeprom(struct net_device *netdev,
 934                            struct ethtool_eeprom *eeprom, u8 *bytes)
 935 {
 936         struct i40e_netdev_priv *np = netdev_priv(netdev);
 937         struct i40e_hw *hw = &np->vsi->back->hw;
 938         struct i40e_pf *pf = np->vsi->back;
 939         int ret_val = 0, len, offset;
 940         u8 *eeprom_buff;
 941         u16 i, sectors;
 942         bool last;
 943         u32 magic;
 944
 945 #define I40E_NVM_SECTOR_SIZE  4096
 946         if (eeprom->len == 0)
 947                 return -EINVAL;
 948
 949         /* check for NVMUpdate access method */
 950         magic = hw->vendor_id | (hw->device_id << 16);
 951         if (eeprom->magic && eeprom->magic != magic) {
 952                 struct i40e_nvm_access *cmd;
 953                 int errno;
 954
 955                 /* make sure it is the right magic for NVMUpdate */
 956                 if ((eeprom->magic >> 16) != hw->device_id)
 957                         return -EINVAL;
 958
 959                 cmd = (struct i40e_nvm_access *)eeprom;
 960                 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
 961                 if (ret_val &&
 962                     ((hw->aq.asq_last_status != I40E_AQ_RC_EACCES) ||
 963                      (hw->debug_mask & I40E_DEBUG_NVM)))
 964                         dev_info(&pf->pdev->dev,
 965                                  "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
 966                                  ret_val, hw->aq.asq_last_status, errno,
 967                                  (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
 968                                  cmd->offset, cmd->data_size);
 969
 970                 return errno;
 971         }
 972
 973         /* normal ethtool get_eeprom support */
 974         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 975
 976         eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
 977         if (!eeprom_buff)
 978                 return -ENOMEM;
 979
 980         ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
 981         if (ret_val) {
 982                 dev_info(&pf->pdev->dev,
 983                          "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
 984                          ret_val, hw->aq.asq_last_status);
 985                 goto free_buff;
 986         }
 987
 988         sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
 989         sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
 990         len = I40E_NVM_SECTOR_SIZE;
 991         last = false;
 992         for (i = 0; i < sectors; i++) {
 993                 if (i == (sectors - 1)) {
 994                         len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
 995                         last = true;
 996                 }
 997                 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
 998                 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
 999                                 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1000                                 last, NULL);
1001                 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1002                         dev_info(&pf->pdev->dev,
1003                                  "read NVM failed, invalid offset 0x%x\n",
1004                                  offset);
1005                         break;
1006                 } else if (ret_val &&
1007                            hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1008                         dev_info(&pf->pdev->dev,
1009                                  "read NVM failed, access, offset 0x%x\n",
1010                                  offset);
1011                         break;
1012                 } else if (ret_val) {
1013                         dev_info(&pf->pdev->dev,
1014                                  "read NVM failed offset %d err=%d status=0x%x\n",
1015                                  offset, ret_val, hw->aq.asq_last_status);
1016                         break;
1017                 }
1018         }
1019
1020         i40e_release_nvm(hw);
1021         memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1022 free_buff:
1023         kfree(eeprom_buff);
1024         return ret_val;
1025 }
1026
1027 static int i40e_get_eeprom_len(struct net_device *netdev)
1028 {
1029         struct i40e_netdev_priv *np = netdev_priv(netdev);
1030         struct i40e_hw *hw = &np->vsi->back->hw;
1031         u32 val;
1032
1033         val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1034                 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1035                 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1036         /* register returns value in power of 2, 64Kbyte chunks. */
1037         val = (64 * 1024) * BIT(val);
1038         return val;
1039 }
1040
1041 static int i40e_set_eeprom(struct net_device *netdev,
1042                            struct ethtool_eeprom *eeprom, u8 *bytes)
1043 {
1044         struct i40e_netdev_priv *np = netdev_priv(netdev);
1045         struct i40e_hw *hw = &np->vsi->back->hw;
1046         struct i40e_pf *pf = np->vsi->back;
1047         struct i40e_nvm_access *cmd;
1048         int ret_val = 0;
1049         int errno;
1050         u32 magic;
1051
1052         /* normal ethtool set_eeprom is not supported */
1053         magic = hw->vendor_id | (hw->device_id << 16);
1054         if (eeprom->magic == magic)
1055                 return -EOPNOTSUPP;
1056
1057         /* check for NVMUpdate access method */
1058         if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1059                 return -EINVAL;
1060
1061         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1062             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1063                 return -EBUSY;
1064
1065         cmd = (struct i40e_nvm_access *)eeprom;
1066         ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1067         if (ret_val &&
1068             ((hw->aq.asq_last_status != I40E_AQ_RC_EPERM &&
1069               hw->aq.asq_last_status != I40E_AQ_RC_EBUSY) ||
1070              (hw->debug_mask & I40E_DEBUG_NVM)))
1071                 dev_info(&pf->pdev->dev,
1072                          "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1073                          ret_val, hw->aq.asq_last_status, errno,
1074                          (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1075                          cmd->offset, cmd->data_size);
1076
1077         return errno;
1078 }
1079
1080 static void i40e_get_drvinfo(struct net_device *netdev,
1081                              struct ethtool_drvinfo *drvinfo)
1082 {
1083         struct i40e_netdev_priv *np = netdev_priv(netdev);
1084         struct i40e_vsi *vsi = np->vsi;
1085         struct i40e_pf *pf = vsi->back;
1086
1087         strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1088         strlcpy(drvinfo->version, i40e_driver_version_str,
1089                 sizeof(drvinfo->version));
1090         strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw),
1091                 sizeof(drvinfo->fw_version));
1092         strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1093                 sizeof(drvinfo->bus_info));
1094         drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
1095 }
1096
1097 static void i40e_get_ringparam(struct net_device *netdev,
1098                                struct ethtool_ringparam *ring)
1099 {
1100         struct i40e_netdev_priv *np = netdev_priv(netdev);
1101         struct i40e_pf *pf = np->vsi->back;
1102         struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1103
1104         ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1105         ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1106         ring->rx_mini_max_pending = 0;
1107         ring->rx_jumbo_max_pending = 0;
1108         ring->rx_pending = vsi->rx_rings[0]->count;
1109         ring->tx_pending = vsi->tx_rings[0]->count;
1110         ring->rx_mini_pending = 0;
1111         ring->rx_jumbo_pending = 0;
1112 }
1113
1114 static int i40e_set_ringparam(struct net_device *netdev,
1115                               struct ethtool_ringparam *ring)
1116 {
1117         struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1118         struct i40e_netdev_priv *np = netdev_priv(netdev);
1119         struct i40e_vsi *vsi = np->vsi;
1120         struct i40e_pf *pf = vsi->back;
1121         u32 new_rx_count, new_tx_count;
1122         int i, err = 0;
1123
1124         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1125                 return -EINVAL;
1126
1127         if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1128             ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1129             ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1130             ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1131                 netdev_info(netdev,
1132                             "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1133                             ring->tx_pending, ring->rx_pending,
1134                             I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1135                 return -EINVAL;
1136         }
1137
1138         new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1139         new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1140
1141         /* if nothing to do return success */
1142         if ((new_tx_count == vsi->tx_rings[0]->count) &&
1143             (new_rx_count == vsi->rx_rings[0]->count))
1144                 return 0;
1145
1146         while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1147                 usleep_range(1000, 2000);
1148
1149         if (!netif_running(vsi->netdev)) {
1150                 /* simple case - set for the next time the netdev is started */
1151                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1152                         vsi->tx_rings[i]->count = new_tx_count;
1153                         vsi->rx_rings[i]->count = new_rx_count;
1154                 }
1155                 goto done;
1156         }
1157
1158         /* We can't just free everything and then setup again,
1159          * because the ISRs in MSI-X mode get passed pointers
1160          * to the Tx and Rx ring structs.
1161          */
1162
1163         /* alloc updated Tx resources */
1164         if (new_tx_count != vsi->tx_rings[0]->count) {
1165                 netdev_info(netdev,
1166                             "Changing Tx descriptor count from %d to %d.\n",
1167                             vsi->tx_rings[0]->count, new_tx_count);
1168                 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1169                                    sizeof(struct i40e_ring), GFP_KERNEL);
1170                 if (!tx_rings) {
1171                         err = -ENOMEM;
1172                         goto done;
1173                 }
1174
1175                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1176                         /* clone ring and setup updated count */
1177                         tx_rings[i] = *vsi->tx_rings[i];
1178                         tx_rings[i].count = new_tx_count;
1179                         /* the desc and bi pointers will be reallocated in the
1180                          * setup call
1181                          */
1182                         tx_rings[i].desc = NULL;
1183                         tx_rings[i].rx_bi = NULL;
1184                         err = i40e_setup_tx_descriptors(&tx_rings[i]);
1185                         if (err) {
1186                                 while (i) {
1187                                         i--;
1188                                         i40e_free_tx_resources(&tx_rings[i]);
1189                                 }
1190                                 kfree(tx_rings);
1191                                 tx_rings = NULL;
1192
1193                                 goto done;
1194                         }
1195                 }
1196         }
1197
1198         /* alloc updated Rx resources */
1199         if (new_rx_count != vsi->rx_rings[0]->count) {
1200                 netdev_info(netdev,
1201                             "Changing Rx descriptor count from %d to %d\n",
1202                             vsi->rx_rings[0]->count, new_rx_count);
1203                 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1204                                    sizeof(struct i40e_ring), GFP_KERNEL);
1205                 if (!rx_rings) {
1206                         err = -ENOMEM;
1207                         goto free_tx;
1208                 }
1209
1210                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1211                         /* clone ring and setup updated count */
1212                         rx_rings[i] = *vsi->rx_rings[i];
1213                         rx_rings[i].count = new_rx_count;
1214                         /* the desc and bi pointers will be reallocated in the
1215                          * setup call
1216                          */
1217                         rx_rings[i].desc = NULL;
1218                         rx_rings[i].rx_bi = NULL;
1219                         err = i40e_setup_rx_descriptors(&rx_rings[i]);
1220                         if (err) {
1221                                 while (i) {
1222                                         i--;
1223                                         i40e_free_rx_resources(&rx_rings[i]);
1224                                 }
1225                                 kfree(rx_rings);
1226                                 rx_rings = NULL;
1227
1228                                 goto free_tx;
1229                         }
1230                 }
1231         }
1232
1233         /* Bring interface down, copy in the new ring info,
1234          * then restore the interface
1235          */
1236         i40e_down(vsi);
1237
1238         if (tx_rings) {
1239                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1240                         i40e_free_tx_resources(vsi->tx_rings[i]);
1241                         *vsi->tx_rings[i] = tx_rings[i];
1242                 }
1243                 kfree(tx_rings);
1244                 tx_rings = NULL;
1245         }
1246
1247         if (rx_rings) {
1248                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1249                         i40e_free_rx_resources(vsi->rx_rings[i]);
1250                         *vsi->rx_rings[i] = rx_rings[i];
1251                 }
1252                 kfree(rx_rings);
1253                 rx_rings = NULL;
1254         }
1255
1256         i40e_up(vsi);
1257
1258 free_tx:
1259         /* error cleanup if the Rx allocations failed after getting Tx */
1260         if (tx_rings) {
1261                 for (i = 0; i < vsi->num_queue_pairs; i++)
1262                         i40e_free_tx_resources(&tx_rings[i]);
1263                 kfree(tx_rings);
1264                 tx_rings = NULL;
1265         }
1266
1267 done:
1268         clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1269
1270         return err;
1271 }
1272
1273 static int i40e_get_sset_count(struct net_device *netdev, int sset)
1274 {
1275         struct i40e_netdev_priv *np = netdev_priv(netdev);
1276         struct i40e_vsi *vsi = np->vsi;
1277         struct i40e_pf *pf = vsi->back;
1278
1279         switch (sset) {
1280         case ETH_SS_TEST:
1281                 return I40E_TEST_LEN;
1282         case ETH_SS_STATS:
1283                 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1284                         int len = I40E_PF_STATS_LEN(netdev);
1285
1286                         if ((pf->lan_veb != I40E_NO_VEB) &&
1287                             (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1288                                 len += I40E_VEB_STATS_TOTAL;
1289                         return len;
1290                 } else {
1291                         return I40E_VSI_STATS_LEN(netdev);
1292                 }
1293         case ETH_SS_PRIV_FLAGS:
1294                 return I40E_PRIV_FLAGS_STR_LEN;
1295         default:
1296                 return -EOPNOTSUPP;
1297         }
1298 }
1299
1300 static void i40e_get_ethtool_stats(struct net_device *netdev,
1301                                    struct ethtool_stats *stats, u64 *data)
1302 {
1303         struct i40e_netdev_priv *np = netdev_priv(netdev);
1304         struct i40e_ring *tx_ring, *rx_ring;
1305         struct i40e_vsi *vsi = np->vsi;
1306         struct i40e_pf *pf = vsi->back;
1307         int i = 0;
1308         char *p;
1309         int j;
1310         struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1311         unsigned int start;
1312
1313         i40e_update_stats(vsi);
1314
1315         for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1316                 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1317                 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1318                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1319         }
1320         for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1321                 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1322                 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1323                             sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1324         }
1325 #ifdef I40E_FCOE
1326         for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1327                 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1328                 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1329                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1330         }
1331 #endif
1332         rcu_read_lock();
1333         for (j = 0; j < vsi->num_queue_pairs; j++) {
1334                 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1335
1336                 if (!tx_ring)
1337                         continue;
1338
1339                 /* process Tx ring statistics */
1340                 do {
1341                         start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1342                         data[i] = tx_ring->stats.packets;
1343                         data[i + 1] = tx_ring->stats.bytes;
1344                 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1345                 i += 2;
1346
1347                 /* Rx ring is the 2nd half of the queue pair */
1348                 rx_ring = &tx_ring[1];
1349                 do {
1350                         start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1351                         data[i] = rx_ring->stats.packets;
1352                         data[i + 1] = rx_ring->stats.bytes;
1353                 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1354                 i += 2;
1355         }
1356         rcu_read_unlock();
1357         if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1358                 return;
1359
1360         if ((pf->lan_veb != I40E_NO_VEB) &&
1361             (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1362                 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1363
1364                 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1365                         p = (char *)veb;
1366                         p += i40e_gstrings_veb_stats[j].stat_offset;
1367                         data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1368                                      sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1369                 }
1370         }
1371         for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1372                 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1373                 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1374                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1375         }
1376         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1377                 data[i++] = pf->stats.priority_xon_tx[j];
1378                 data[i++] = pf->stats.priority_xoff_tx[j];
1379         }
1380         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1381                 data[i++] = pf->stats.priority_xon_rx[j];
1382                 data[i++] = pf->stats.priority_xoff_rx[j];
1383         }
1384         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1385                 data[i++] = pf->stats.priority_xon_2_xoff[j];
1386 }
1387
1388 static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1389                              u8 *data)
1390 {
1391         struct i40e_netdev_priv *np = netdev_priv(netdev);
1392         struct i40e_vsi *vsi = np->vsi;
1393         struct i40e_pf *pf = vsi->back;
1394         char *p = (char *)data;
1395         int i;
1396
1397         switch (stringset) {
1398         case ETH_SS_TEST:
1399                 for (i = 0; i < I40E_TEST_LEN; i++) {
1400                         memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1401                         data += ETH_GSTRING_LEN;
1402                 }
1403                 break;
1404         case ETH_SS_STATS:
1405                 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1406                         snprintf(p, ETH_GSTRING_LEN, "%s",
1407                                  i40e_gstrings_net_stats[i].stat_string);
1408                         p += ETH_GSTRING_LEN;
1409                 }
1410                 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1411                         snprintf(p, ETH_GSTRING_LEN, "%s",
1412                                  i40e_gstrings_misc_stats[i].stat_string);
1413                         p += ETH_GSTRING_LEN;
1414                 }
1415 #ifdef I40E_FCOE
1416                 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1417                         snprintf(p, ETH_GSTRING_LEN, "%s",
1418                                  i40e_gstrings_fcoe_stats[i].stat_string);
1419                         p += ETH_GSTRING_LEN;
1420                 }
1421 #endif
1422                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1423                         snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
1424                         p += ETH_GSTRING_LEN;
1425                         snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
1426                         p += ETH_GSTRING_LEN;
1427                         snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
1428                         p += ETH_GSTRING_LEN;
1429                         snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
1430                         p += ETH_GSTRING_LEN;
1431                 }
1432                 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1433                         return;
1434
1435                 if ((pf->lan_veb != I40E_NO_VEB) &&
1436                     (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1437                         for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1438                                 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1439                                         i40e_gstrings_veb_stats[i].stat_string);
1440                                 p += ETH_GSTRING_LEN;
1441                         }
1442                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1443                                 snprintf(p, ETH_GSTRING_LEN,
1444                                          "veb.tc_%u_tx_packets", i);
1445                                 p += ETH_GSTRING_LEN;
1446                                 snprintf(p, ETH_GSTRING_LEN,
1447                                          "veb.tc_%u_tx_bytes", i);
1448                                 p += ETH_GSTRING_LEN;
1449                                 snprintf(p, ETH_GSTRING_LEN,
1450                                          "veb.tc_%u_rx_packets", i);
1451                                 p += ETH_GSTRING_LEN;
1452                                 snprintf(p, ETH_GSTRING_LEN,
1453                                          "veb.tc_%u_rx_bytes", i);
1454                                 p += ETH_GSTRING_LEN;
1455                         }
1456                 }
1457                 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1458                         snprintf(p, ETH_GSTRING_LEN, "port.%s",
1459                                  i40e_gstrings_stats[i].stat_string);
1460                         p += ETH_GSTRING_LEN;
1461                 }
1462                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1463                         snprintf(p, ETH_GSTRING_LEN,
1464                                  "port.tx_priority_%u_xon", i);
1465                         p += ETH_GSTRING_LEN;
1466                         snprintf(p, ETH_GSTRING_LEN,
1467                                  "port.tx_priority_%u_xoff", i);
1468                         p += ETH_GSTRING_LEN;
1469                 }
1470                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1471                         snprintf(p, ETH_GSTRING_LEN,
1472                                  "port.rx_priority_%u_xon", i);
1473                         p += ETH_GSTRING_LEN;
1474                         snprintf(p, ETH_GSTRING_LEN,
1475                                  "port.rx_priority_%u_xoff", i);
1476                         p += ETH_GSTRING_LEN;
1477                 }
1478                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1479                         snprintf(p, ETH_GSTRING_LEN,
1480                                  "port.rx_priority_%u_xon_2_xoff", i);
1481                         p += ETH_GSTRING_LEN;
1482                 }
1483                 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1484                 break;
1485         case ETH_SS_PRIV_FLAGS:
1486                 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1487                         memcpy(data, i40e_priv_flags_strings[i],
1488                                ETH_GSTRING_LEN);
1489                         data += ETH_GSTRING_LEN;
1490                 }
1491                 break;
1492         default:
1493                 break;
1494         }
1495 }
1496
1497 static int i40e_get_ts_info(struct net_device *dev,
1498                             struct ethtool_ts_info *info)
1499 {
1500         struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1501
1502         /* only report HW timestamping if PTP is enabled */
1503         if (!(pf->flags & I40E_FLAG_PTP))
1504                 return ethtool_op_get_ts_info(dev, info);
1505
1506         info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1507                                 SOF_TIMESTAMPING_RX_SOFTWARE |
1508                                 SOF_TIMESTAMPING_SOFTWARE |
1509                                 SOF_TIMESTAMPING_TX_HARDWARE |
1510                                 SOF_TIMESTAMPING_RX_HARDWARE |
1511                                 SOF_TIMESTAMPING_RAW_HARDWARE;
1512
1513         if (pf->ptp_clock)
1514                 info->phc_index = ptp_clock_index(pf->ptp_clock);
1515         else
1516                 info->phc_index = -1;
1517
1518         info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1519
1520         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1521                            BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1522                            BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1523
1524         return 0;
1525 }
1526
1527 static int i40e_link_test(struct net_device *netdev, u64 *data)
1528 {
1529         struct i40e_netdev_priv *np = netdev_priv(netdev);
1530         struct i40e_pf *pf = np->vsi->back;
1531         i40e_status status;
1532         bool link_up = false;
1533
1534         netif_info(pf, hw, netdev, "link test\n");
1535         status = i40e_get_link_status(&pf->hw, &link_up);
1536         if (status) {
1537                 netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1538                 *data = 1;
1539                 return *data;
1540         }
1541
1542         if (link_up)
1543                 *data = 0;
1544         else
1545                 *data = 1;
1546
1547         return *data;
1548 }
1549
1550 static int i40e_reg_test(struct net_device *netdev, u64 *data)
1551 {
1552         struct i40e_netdev_priv *np = netdev_priv(netdev);
1553         struct i40e_pf *pf = np->vsi->back;
1554
1555         netif_info(pf, hw, netdev, "register test\n");
1556         *data = i40e_diag_reg_test(&pf->hw);
1557
1558         return *data;
1559 }
1560
1561 static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1562 {
1563         struct i40e_netdev_priv *np = netdev_priv(netdev);
1564         struct i40e_pf *pf = np->vsi->back;
1565
1566         netif_info(pf, hw, netdev, "eeprom test\n");
1567         *data = i40e_diag_eeprom_test(&pf->hw);
1568
1569         /* forcebly clear the NVM Update state machine */
1570         pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1571
1572         return *data;
1573 }
1574
1575 static int i40e_intr_test(struct net_device *netdev, u64 *data)
1576 {
1577         struct i40e_netdev_priv *np = netdev_priv(netdev);
1578         struct i40e_pf *pf = np->vsi->back;
1579         u16 swc_old = pf->sw_int_count;
1580
1581         netif_info(pf, hw, netdev, "interrupt test\n");
1582         wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1583              (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1584               I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1585               I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1586               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1587               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1588         usleep_range(1000, 2000);
1589         *data = (swc_old == pf->sw_int_count);
1590
1591         return *data;
1592 }
1593
1594 static int i40e_loopback_test(struct net_device *netdev, u64 *data)
1595 {
1596         struct i40e_netdev_priv *np = netdev_priv(netdev);
1597         struct i40e_pf *pf = np->vsi->back;
1598
1599         netif_info(pf, hw, netdev, "loopback test not implemented\n");
1600         *data = 0;
1601
1602         return *data;
1603 }
1604
1605 static inline bool i40e_active_vfs(struct i40e_pf *pf)
1606 {
1607         struct i40e_vf *vfs = pf->vf;
1608         int i;
1609
1610         for (i = 0; i < pf->num_alloc_vfs; i++)
1611                 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1612                         return true;
1613         return false;
1614 }
1615
1616 static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1617 {
1618         struct i40e_vsi **vsi = pf->vsi;
1619         int i;
1620
1621         for (i = 0; i < pf->num_alloc_vsi; i++) {
1622                 if (!vsi[i])
1623                         continue;
1624                 if (vsi[i]->type == I40E_VSI_VMDQ2)
1625                         return true;
1626         }
1627
1628         return false;
1629 }
1630
1631 static void i40e_diag_test(struct net_device *netdev,
1632                            struct ethtool_test *eth_test, u64 *data)
1633 {
1634         struct i40e_netdev_priv *np = netdev_priv(netdev);
1635         bool if_running = netif_running(netdev);
1636         struct i40e_pf *pf = np->vsi->back;
1637
1638         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1639                 /* Offline tests */
1640                 netif_info(pf, drv, netdev, "offline testing starting\n");
1641
1642                 set_bit(__I40E_TESTING, &pf->state);
1643
1644                 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1645                         dev_warn(&pf->pdev->dev,
1646                                  "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1647                         data[I40E_ETH_TEST_REG]         = 1;
1648                         data[I40E_ETH_TEST_EEPROM]      = 1;
1649                         data[I40E_ETH_TEST_INTR]        = 1;
1650                         data[I40E_ETH_TEST_LOOPBACK]    = 1;
1651                         data[I40E_ETH_TEST_LINK]        = 1;
1652                         eth_test->flags |= ETH_TEST_FL_FAILED;
1653                         clear_bit(__I40E_TESTING, &pf->state);
1654                         goto skip_ol_tests;
1655                 }
1656
1657                 /* If the device is online then take it offline */
1658                 if (if_running)
1659                         /* indicate we're in test mode */
1660                         dev_close(netdev);
1661                 else
1662                         /* This reset does not affect link - if it is
1663                          * changed to a type of reset that does affect
1664                          * link then the following link test would have
1665                          * to be moved to before the reset
1666                          */
1667                         i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1668
1669                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1670                         eth_test->flags |= ETH_TEST_FL_FAILED;
1671
1672                 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1673                         eth_test->flags |= ETH_TEST_FL_FAILED;
1674
1675                 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1676                         eth_test->flags |= ETH_TEST_FL_FAILED;
1677
1678                 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
1679                         eth_test->flags |= ETH_TEST_FL_FAILED;
1680
1681                 /* run reg test last, a reset is required after it */
1682                 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1683                         eth_test->flags |= ETH_TEST_FL_FAILED;
1684
1685                 clear_bit(__I40E_TESTING, &pf->state);
1686                 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1687
1688                 if (if_running)
1689                         dev_open(netdev);
1690         } else {
1691                 /* Online tests */
1692                 netif_info(pf, drv, netdev, "online testing starting\n");
1693
1694                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1695                         eth_test->flags |= ETH_TEST_FL_FAILED;
1696
1697                 /* Offline only tests, not run in online; pass by default */
1698                 data[I40E_ETH_TEST_REG] = 0;
1699                 data[I40E_ETH_TEST_EEPROM] = 0;
1700                 data[I40E_ETH_TEST_INTR] = 0;
1701                 data[I40E_ETH_TEST_LOOPBACK] = 0;
1702         }
1703
1704 skip_ol_tests:
1705
1706         netif_info(pf, drv, netdev, "testing finished\n");
1707 }
1708
1709 static void i40e_get_wol(struct net_device *netdev,
1710                          struct ethtool_wolinfo *wol)
1711 {
1712         struct i40e_netdev_priv *np = netdev_priv(netdev);
1713         struct i40e_pf *pf = np->vsi->back;
1714         struct i40e_hw *hw = &pf->hw;
1715         u16 wol_nvm_bits;
1716
1717         /* NVM bit on means WoL disabled for the port */
1718         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1719         if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1720                 wol->supported = 0;
1721                 wol->wolopts = 0;
1722         } else {
1723                 wol->supported = WAKE_MAGIC;
1724                 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1725         }
1726 }
1727
1728 /**
1729  * i40e_set_wol - set the WakeOnLAN configuration
1730  * @netdev: the netdev in question
1731  * @wol: the ethtool WoL setting data
1732  **/
1733 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1734 {
1735         struct i40e_netdev_priv *np = netdev_priv(netdev);
1736         struct i40e_pf *pf = np->vsi->back;
1737         struct i40e_vsi *vsi = np->vsi;
1738         struct i40e_hw *hw = &pf->hw;
1739         u16 wol_nvm_bits;
1740
1741         /* WoL not supported if this isn't the controlling PF on the port */
1742         if (hw->partition_id != 1) {
1743                 i40e_partition_setting_complaint(pf);
1744                 return -EOPNOTSUPP;
1745         }
1746
1747         if (vsi != pf->vsi[pf->lan_vsi])
1748                 return -EOPNOTSUPP;
1749
1750         /* NVM bit on means WoL disabled for the port */
1751         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1752         if (BIT(hw->port) & wol_nvm_bits)
1753                 return -EOPNOTSUPP;
1754
1755         /* only magic packet is supported */
1756         if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1757                 return -EOPNOTSUPP;
1758
1759         /* is this a new value? */
1760         if (pf->wol_en != !!wol->wolopts) {
1761                 pf->wol_en = !!wol->wolopts;
1762                 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1763         }
1764
1765         return 0;
1766 }
1767
1768 static int i40e_set_phys_id(struct net_device *netdev,
1769                             enum ethtool_phys_id_state state)
1770 {
1771         struct i40e_netdev_priv *np = netdev_priv(netdev);
1772         struct i40e_pf *pf = np->vsi->back;
1773         struct i40e_hw *hw = &pf->hw;
1774         int blink_freq = 2;
1775
1776         switch (state) {
1777         case ETHTOOL_ID_ACTIVE:
1778                 pf->led_status = i40e_led_get(hw);
1779                 return blink_freq;
1780         case ETHTOOL_ID_ON:
1781                 i40e_led_set(hw, 0xF, false);
1782                 break;
1783         case ETHTOOL_ID_OFF:
1784                 i40e_led_set(hw, 0x0, false);
1785                 break;
1786         case ETHTOOL_ID_INACTIVE:
1787                 i40e_led_set(hw, pf->led_status, false);
1788                 break;
1789         default:
1790                 break;
1791         }
1792
1793         return 0;
1794 }
1795
1796 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1797  * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1798  * 125us (8000 interrupts per second) == ITR(62)
1799  */
1800
1801 static int i40e_get_coalesce(struct net_device *netdev,
1802                              struct ethtool_coalesce *ec)
1803 {
1804         struct i40e_netdev_priv *np = netdev_priv(netdev);
1805         struct i40e_vsi *vsi = np->vsi;
1806
1807         ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1808         ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1809
1810         if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
1811                 ec->use_adaptive_rx_coalesce = 1;
1812
1813         if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
1814                 ec->use_adaptive_tx_coalesce = 1;
1815
1816         ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
1817         ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
1818
1819         return 0;
1820 }
1821
1822 static int i40e_set_coalesce(struct net_device *netdev,
1823                              struct ethtool_coalesce *ec)
1824 {
1825         struct i40e_netdev_priv *np = netdev_priv(netdev);
1826         struct i40e_q_vector *q_vector;
1827         struct i40e_vsi *vsi = np->vsi;
1828         struct i40e_pf *pf = vsi->back;
1829         struct i40e_hw *hw = &pf->hw;
1830         u16 vector;
1831         int i;
1832
1833         if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
1834                 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
1835
1836         vector = vsi->base_vector;
1837         if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1838             (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1839                 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1840         } else if (ec->rx_coalesce_usecs == 0) {
1841                 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1842                 if (ec->use_adaptive_rx_coalesce)
1843                         netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
1844         } else {
1845                 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
1846                 return -EINVAL;
1847         }
1848
1849         if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1850             (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1851                 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1852         } else if (ec->tx_coalesce_usecs == 0) {
1853                 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1854                 if (ec->use_adaptive_tx_coalesce)
1855                         netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
1856         } else {
1857                 netif_info(pf, drv, netdev,
1858                            "Invalid value, tx-usecs range is 0-8160\n");
1859                 return -EINVAL;
1860         }
1861
1862         if (ec->use_adaptive_rx_coalesce)
1863                 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
1864         else
1865                 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
1866
1867         if (ec->use_adaptive_tx_coalesce)
1868                 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
1869         else
1870                 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
1871
1872         for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
1873                 q_vector = vsi->q_vectors[i];
1874                 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
1875                 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
1876                 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
1877                 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
1878                 i40e_flush(hw);
1879         }
1880
1881         return 0;
1882 }
1883
1884 /**
1885  * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1886  * @pf: pointer to the physical function struct
1887  * @cmd: ethtool rxnfc command
1888  *
1889  * Returns Success if the flow is supported, else Invalid Input.
1890  **/
1891 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
1892 {
1893         cmd->data = 0;
1894
1895         if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
1896                 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
1897                 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
1898                 return 0;
1899         }
1900         /* Report default options for RSS on i40e */
1901         switch (cmd->flow_type) {
1902         case TCP_V4_FLOW:
1903         case UDP_V4_FLOW:
1904                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1905         /* fall through to add IP fields */
1906         case SCTP_V4_FLOW:
1907         case AH_ESP_V4_FLOW:
1908         case AH_V4_FLOW:
1909         case ESP_V4_FLOW:
1910         case IPV4_FLOW:
1911                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1912                 break;
1913         case TCP_V6_FLOW:
1914         case UDP_V6_FLOW:
1915                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1916         /* fall through to add IP fields */
1917         case SCTP_V6_FLOW:
1918         case AH_ESP_V6_FLOW:
1919         case AH_V6_FLOW:
1920         case ESP_V6_FLOW:
1921         case IPV6_FLOW:
1922                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1923                 break;
1924         default:
1925                 return -EINVAL;
1926         }
1927
1928         return 0;
1929 }
1930
1931 /**
1932  * i40e_get_ethtool_fdir_all - Populates the rule count of a command
1933  * @pf: Pointer to the physical function struct
1934  * @cmd: The command to get or set Rx flow classification rules
1935  * @rule_locs: Array of used rule locations
1936  *
1937  * This function populates both the total and actual rule count of
1938  * the ethtool flow classification command
1939  *
1940  * Returns 0 on success or -EMSGSIZE if entry not found
1941  **/
1942 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
1943                                      struct ethtool_rxnfc *cmd,
1944                                      u32 *rule_locs)
1945 {
1946         struct i40e_fdir_filter *rule;
1947         struct hlist_node *node2;
1948         int cnt = 0;
1949
1950         /* report total rule count */
1951         cmd->data = i40e_get_fd_cnt_all(pf);
1952
1953         hlist_for_each_entry_safe(rule, node2,
1954                                   &pf->fdir_filter_list, fdir_node) {
1955                 if (cnt == cmd->rule_cnt)
1956                         return -EMSGSIZE;
1957
1958                 rule_locs[cnt] = rule->fd_id;
1959                 cnt++;
1960         }
1961
1962         cmd->rule_cnt = cnt;
1963
1964         return 0;
1965 }
1966
1967 /**
1968  * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
1969  * @pf: Pointer to the physical function struct
1970  * @cmd: The command to get or set Rx flow classification rules
1971  *
1972  * This function looks up a filter based on the Rx flow classification
1973  * command and fills the flow spec info for it if found
1974  *
1975  * Returns 0 on success or -EINVAL if filter not found
1976  **/
1977 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
1978                                        struct ethtool_rxnfc *cmd)
1979 {
1980         struct ethtool_rx_flow_spec *fsp =
1981                         (struct ethtool_rx_flow_spec *)&cmd->fs;
1982         struct i40e_fdir_filter *rule = NULL;
1983         struct hlist_node *node2;
1984
1985         hlist_for_each_entry_safe(rule, node2,
1986                                   &pf->fdir_filter_list, fdir_node) {
1987                 if (fsp->location <= rule->fd_id)
1988                         break;
1989         }
1990
1991         if (!rule || fsp->location != rule->fd_id)
1992                 return -EINVAL;
1993
1994         fsp->flow_type = rule->flow_type;
1995         if (fsp->flow_type == IP_USER_FLOW) {
1996                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
1997                 fsp->h_u.usr_ip4_spec.proto = 0;
1998                 fsp->m_u.usr_ip4_spec.proto = 0;
1999         }
2000
2001         /* Reverse the src and dest notion, since the HW views them from
2002          * Tx perspective where as the user expects it from Rx filter view.
2003          */
2004         fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2005         fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
2006         fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
2007         fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
2008
2009         if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2010                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2011         else
2012                 fsp->ring_cookie = rule->q_index;
2013
2014         if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2015                 struct i40e_vsi *vsi;
2016
2017                 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2018                 if (vsi && vsi->type == I40E_VSI_SRIOV) {
2019                         fsp->h_ext.data[1] = htonl(vsi->vf_id);
2020                         fsp->m_ext.data[1] = htonl(0x1);
2021                 }
2022         }
2023
2024         return 0;
2025 }
2026
2027 /**
2028  * i40e_get_rxnfc - command to get RX flow classification rules
2029  * @netdev: network interface device structure
2030  * @cmd: ethtool rxnfc command
2031  *
2032  * Returns Success if the command is supported.
2033  **/
2034 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2035                           u32 *rule_locs)
2036 {
2037         struct i40e_netdev_priv *np = netdev_priv(netdev);
2038         struct i40e_vsi *vsi = np->vsi;
2039         struct i40e_pf *pf = vsi->back;
2040         int ret = -EOPNOTSUPP;
2041
2042         switch (cmd->cmd) {
2043         case ETHTOOL_GRXRINGS:
2044                 cmd->data = vsi->alloc_queue_pairs;
2045                 ret = 0;
2046                 break;
2047         case ETHTOOL_GRXFH:
2048                 ret = i40e_get_rss_hash_opts(pf, cmd);
2049                 break;
2050         case ETHTOOL_GRXCLSRLCNT:
2051                 cmd->rule_cnt = pf->fdir_pf_active_filters;
2052                 /* report total rule count */
2053                 cmd->data = i40e_get_fd_cnt_all(pf);
2054                 ret = 0;
2055                 break;
2056         case ETHTOOL_GRXCLSRULE:
2057                 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2058                 break;
2059         case ETHTOOL_GRXCLSRLALL:
2060                 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2061                 break;
2062         default:
2063                 break;
2064         }
2065
2066         return ret;
2067 }
2068
2069 /**
2070  * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2071  * @pf: pointer to the physical function struct
2072  * @cmd: ethtool rxnfc command
2073  *
2074  * Returns Success if the flow input set is supported.
2075  **/
2076 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2077 {
2078         struct i40e_hw *hw = &pf->hw;
2079         u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
2080                    ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
2081
2082         /* RSS does not support anything other than hashing
2083          * to queues on src and dst IPs and ports
2084          */
2085         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2086                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2087                 return -EINVAL;
2088
2089         /* We need at least the IP SRC and DEST fields for hashing */
2090         if (!(nfc->data & RXH_IP_SRC) ||
2091             !(nfc->data & RXH_IP_DST))
2092                 return -EINVAL;
2093
2094         switch (nfc->flow_type) {
2095         case TCP_V4_FLOW:
2096                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2097                 case 0:
2098                         hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2099                         break;
2100                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2101                         hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2102                         break;
2103                 default:
2104                         return -EINVAL;
2105                 }
2106                 break;
2107         case TCP_V6_FLOW:
2108                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2109                 case 0:
2110                         hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2111                         break;
2112                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2113                         hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2114                         break;
2115                 default:
2116                         return -EINVAL;
2117                 }
2118                 break;
2119         case UDP_V4_FLOW:
2120                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2121                 case 0:
2122                         hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2123                                   BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2124                         break;
2125                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2126                         hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2127                                  BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2128                         break;
2129                 default:
2130                         return -EINVAL;
2131                 }
2132                 break;
2133         case UDP_V6_FLOW:
2134                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2135                 case 0:
2136                         hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2137                                   BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2138                         break;
2139                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2140                         hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2141                                  BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2142                         break;
2143                 default:
2144                         return -EINVAL;
2145                 }
2146                 break;
2147         case AH_ESP_V4_FLOW:
2148         case AH_V4_FLOW:
2149         case ESP_V4_FLOW:
2150         case SCTP_V4_FLOW:
2151                 if ((nfc->data & RXH_L4_B_0_1) ||
2152                     (nfc->data & RXH_L4_B_2_3))
2153                         return -EINVAL;
2154                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2155                 break;
2156         case AH_ESP_V6_FLOW:
2157         case AH_V6_FLOW:
2158         case ESP_V6_FLOW:
2159         case SCTP_V6_FLOW:
2160                 if ((nfc->data & RXH_L4_B_0_1) ||
2161                     (nfc->data & RXH_L4_B_2_3))
2162                         return -EINVAL;
2163                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2164                 break;
2165         case IPV4_FLOW:
2166                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2167                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2168                 break;
2169         case IPV6_FLOW:
2170                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2171                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2172                 break;
2173         default:
2174                 return -EINVAL;
2175         }
2176
2177         wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
2178         wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2179         i40e_flush(hw);
2180
2181         /* Save setting for future output/update */
2182         pf->vsi[pf->lan_vsi]->rxnfc = *nfc;
2183
2184         return 0;
2185 }
2186
2187 /**
2188  * i40e_match_fdir_input_set - Match a new filter against an existing one
2189  * @rule: The filter already added
2190  * @input: The new filter to comapre against
2191  *
2192  * Returns true if the two input set match
2193  **/
2194 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2195                                       struct i40e_fdir_filter *input)
2196 {
2197         if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2198             (rule->src_ip[0] != input->src_ip[0]) ||
2199             (rule->dst_port != input->dst_port) ||
2200             (rule->src_port != input->src_port))
2201                 return false;
2202         return true;
2203 }
2204
2205 /**
2206  * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2207  * @vsi: Pointer to the targeted VSI
2208  * @input: The filter to update or NULL to indicate deletion
2209  * @sw_idx: Software index to the filter
2210  * @cmd: The command to get or set Rx flow classification rules
2211  *
2212  * This function updates (or deletes) a Flow Director entry from
2213  * the hlist of the corresponding PF
2214  *
2215  * Returns 0 on success
2216  **/
2217 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2218                                           struct i40e_fdir_filter *input,
2219                                           u16 sw_idx,
2220                                           struct ethtool_rxnfc *cmd)
2221 {
2222         struct i40e_fdir_filter *rule, *parent;
2223         struct i40e_pf *pf = vsi->back;
2224         struct hlist_node *node2;
2225         int err = -EINVAL;
2226
2227         parent = NULL;
2228         rule = NULL;
2229
2230         hlist_for_each_entry_safe(rule, node2,
2231                                   &pf->fdir_filter_list, fdir_node) {
2232                 /* hash found, or no matching entry */
2233                 if (rule->fd_id >= sw_idx)
2234                         break;
2235                 parent = rule;
2236         }
2237
2238         /* if there is an old rule occupying our place remove it */
2239         if (rule && (rule->fd_id == sw_idx)) {
2240                 if (input && !i40e_match_fdir_input_set(rule, input))
2241                         err = i40e_add_del_fdir(vsi, rule, false);
2242                 else if (!input)
2243                         err = i40e_add_del_fdir(vsi, rule, false);
2244                 hlist_del(&rule->fdir_node);
2245                 kfree(rule);
2246                 pf->fdir_pf_active_filters--;
2247         }
2248
2249         /* If no input this was a delete, err should be 0 if a rule was
2250          * successfully found and removed from the list else -EINVAL
2251          */
2252         if (!input)
2253                 return err;
2254
2255         /* initialize node and set software index */
2256         INIT_HLIST_NODE(&input->fdir_node);
2257
2258         /* add filter to the list */
2259         if (parent)
2260                 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2261         else
2262                 hlist_add_head(&input->fdir_node,
2263                                &pf->fdir_filter_list);
2264
2265         /* update counts */
2266         pf->fdir_pf_active_filters++;
2267
2268         return 0;
2269 }
2270
2271 /**
2272  * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2273  * @vsi: Pointer to the targeted VSI
2274  * @cmd: The command to get or set Rx flow classification rules
2275  *
2276  * The function removes a Flow Director filter entry from the
2277  * hlist of the corresponding PF
2278  *
2279  * Returns 0 on success
2280  */
2281 static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2282                                struct ethtool_rxnfc *cmd)
2283 {
2284         struct ethtool_rx_flow_spec *fsp =
2285                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2286         struct i40e_pf *pf = vsi->back;
2287         int ret = 0;
2288
2289         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2290             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2291                 return -EBUSY;
2292
2293         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2294                 return -EBUSY;
2295
2296         ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2297
2298         i40e_fdir_check_and_reenable(pf);
2299         return ret;
2300 }
2301
2302 /**
2303  * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2304  * @vsi: pointer to the targeted VSI
2305  * @cmd: command to get or set RX flow classification rules
2306  *
2307  * Add Flow Director filters for a specific flow spec based on their
2308  * protocol.  Returns 0 if the filters were successfully added.
2309  **/
2310 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2311                                  struct ethtool_rxnfc *cmd)
2312 {
2313         struct ethtool_rx_flow_spec *fsp;
2314         struct i40e_fdir_filter *input;
2315         struct i40e_pf *pf;
2316         int ret = -EINVAL;
2317         u16 vf_id;
2318
2319         if (!vsi)
2320                 return -EINVAL;
2321
2322         pf = vsi->back;
2323
2324         if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2325                 return -EOPNOTSUPP;
2326
2327         if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2328                 return -ENOSPC;
2329
2330         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2331             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2332                 return -EBUSY;
2333
2334         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2335                 return -EBUSY;
2336
2337         fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2338
2339         if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2340                               pf->hw.func_caps.fd_filters_guaranteed)) {
2341                 return -EINVAL;
2342         }
2343
2344         if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2345             (fsp->ring_cookie >= vsi->num_queue_pairs))
2346                 return -EINVAL;
2347
2348         input = kzalloc(sizeof(*input), GFP_KERNEL);
2349
2350         if (!input)
2351                 return -ENOMEM;
2352
2353         input->fd_id = fsp->location;
2354
2355         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2356                 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2357         else
2358                 input->dest_ctl =
2359                              I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2360
2361         input->q_index = fsp->ring_cookie;
2362         input->flex_off = 0;
2363         input->pctype = 0;
2364         input->dest_vsi = vsi->id;
2365         input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2366         input->cnt_index  = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2367         input->flow_type = fsp->flow_type;
2368         input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2369
2370         /* Reverse the src and dest notion, since the HW expects them to be from
2371          * Tx perspective where as the input from user is from Rx filter view.
2372          */
2373         input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2374         input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2375         input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2376         input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2377
2378         if (ntohl(fsp->m_ext.data[1])) {
2379                 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) {
2380                         netif_info(pf, drv, vsi->netdev, "Invalid VF id\n");
2381                         goto free_input;
2382                 }
2383                 vf_id = ntohl(fsp->h_ext.data[1]);
2384                 /* Find vsi id from vf id and override dest vsi */
2385                 input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2386                 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2387                         netif_info(pf, drv, vsi->netdev, "Invalid queue id\n");
2388                         goto free_input;
2389                 }
2390         }
2391
2392         ret = i40e_add_del_fdir(vsi, input, true);
2393 free_input:
2394         if (ret)
2395                 kfree(input);
2396         else
2397                 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2398
2399         return ret;
2400 }
2401
2402 /**
2403  * i40e_set_rxnfc - command to set RX flow classification rules
2404  * @netdev: network interface device structure
2405  * @cmd: ethtool rxnfc command
2406  *
2407  * Returns Success if the command is supported.
2408  **/
2409 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2410 {
2411         struct i40e_netdev_priv *np = netdev_priv(netdev);
2412         struct i40e_vsi *vsi = np->vsi;
2413         struct i40e_pf *pf = vsi->back;
2414         int ret = -EOPNOTSUPP;
2415
2416         switch (cmd->cmd) {
2417         case ETHTOOL_SRXFH:
2418                 ret = i40e_set_rss_hash_opt(pf, cmd);
2419                 break;
2420         case ETHTOOL_SRXCLSRLINS:
2421                 ret = i40e_add_fdir_ethtool(vsi, cmd);
2422                 break;
2423         case ETHTOOL_SRXCLSRLDEL:
2424                 ret = i40e_del_fdir_entry(vsi, cmd);
2425                 break;
2426         default:
2427                 break;
2428         }
2429
2430         return ret;
2431 }
2432
2433 /**
2434  * i40e_max_channels - get Max number of combined channels supported
2435  * @vsi: vsi pointer
2436  **/
2437 static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2438 {
2439         /* TODO: This code assumes DCB and FD is disabled for now. */
2440         return vsi->alloc_queue_pairs;
2441 }
2442
2443 /**
2444  * i40e_get_channels - Get the current channels enabled and max supported etc.
2445  * @netdev: network interface device structure
2446  * @ch: ethtool channels structure
2447  *
2448  * We don't support separate tx and rx queues as channels. The other count
2449  * represents how many queues are being used for control. max_combined counts
2450  * how many queue pairs we can support. They may not be mapped 1 to 1 with
2451  * q_vectors since we support a lot more queue pairs than q_vectors.
2452  **/
2453 static void i40e_get_channels(struct net_device *dev,
2454                                struct ethtool_channels *ch)
2455 {
2456         struct i40e_netdev_priv *np = netdev_priv(dev);
2457         struct i40e_vsi *vsi = np->vsi;
2458         struct i40e_pf *pf = vsi->back;
2459
2460         /* report maximum channels */
2461         ch->max_combined = i40e_max_channels(vsi);
2462
2463         /* report info for other vector */
2464         ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2465         ch->max_other = ch->other_count;
2466
2467         /* Note: This code assumes DCB is disabled for now. */
2468         ch->combined_count = vsi->num_queue_pairs;
2469 }
2470
2471 /**
2472  * i40e_set_channels - Set the new channels count.
2473  * @netdev: network interface device structure
2474  * @ch: ethtool channels structure
2475  *
2476  * The new channels count may not be the same as requested by the user
2477  * since it gets rounded down to a power of 2 value.
2478  **/
2479 static int i40e_set_channels(struct net_device *dev,
2480                               struct ethtool_channels *ch)
2481 {
2482         struct i40e_netdev_priv *np = netdev_priv(dev);
2483         unsigned int count = ch->combined_count;
2484         struct i40e_vsi *vsi = np->vsi;
2485         struct i40e_pf *pf = vsi->back;
2486         int new_count;
2487
2488         /* We do not support setting channels for any other VSI at present */
2489         if (vsi->type != I40E_VSI_MAIN)
2490                 return -EINVAL;
2491
2492         /* verify they are not requesting separate vectors */
2493         if (!count || ch->rx_count || ch->tx_count)
2494                 return -EINVAL;
2495
2496         /* verify other_count has not changed */
2497         if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2498                 return -EINVAL;
2499
2500         /* verify the number of channels does not exceed hardware limits */
2501         if (count > i40e_max_channels(vsi))
2502                 return -EINVAL;
2503
2504         /* update feature limits from largest to smallest supported values */
2505         /* TODO: Flow director limit, DCB etc */
2506
2507         /* use rss_reconfig to rebuild with new queue count and update traffic
2508          * class queue mapping
2509          */
2510         new_count = i40e_reconfig_rss_queues(pf, count);
2511         if (new_count > 0)
2512                 return 0;
2513         else
2514                 return -EINVAL;
2515 }
2516
2517 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
2518 /**
2519  * i40e_get_rxfh_key_size - get the RSS hash key size
2520  * @netdev: network interface device structure
2521  *
2522  * Returns the table size.
2523  **/
2524 static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2525 {
2526         return I40E_HKEY_ARRAY_SIZE;
2527 }
2528
2529 /**
2530  * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2531  * @netdev: network interface device structure
2532  *
2533  * Returns the table size.
2534  **/
2535 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2536 {
2537         return I40E_HLUT_ARRAY_SIZE;
2538 }
2539
2540 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2541                          u8 *hfunc)
2542 {
2543         struct i40e_netdev_priv *np = netdev_priv(netdev);
2544         struct i40e_vsi *vsi = np->vsi;
2545         struct i40e_pf *pf = vsi->back;
2546         struct i40e_hw *hw = &pf->hw;
2547         u32 reg_val;
2548         int i, j;
2549
2550         if (hfunc)
2551                 *hfunc = ETH_RSS_HASH_TOP;
2552
2553         if (!indir)
2554                 return 0;
2555
2556         for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2557                 reg_val = rd32(hw, I40E_PFQF_HLUT(i));
2558                 indir[j++] = reg_val & 0xff;
2559                 indir[j++] = (reg_val >> 8) & 0xff;
2560                 indir[j++] = (reg_val >> 16) & 0xff;
2561                 indir[j++] = (reg_val >> 24) & 0xff;
2562         }
2563
2564         if (key) {
2565                 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2566                         reg_val = rd32(hw, I40E_PFQF_HKEY(i));
2567                         key[j++] = (u8)(reg_val & 0xff);
2568                         key[j++] = (u8)((reg_val >> 8) & 0xff);
2569                         key[j++] = (u8)((reg_val >> 16) & 0xff);
2570                         key[j++] = (u8)((reg_val >> 24) & 0xff);
2571                 }
2572         }
2573         return 0;
2574 }
2575
2576 /**
2577  * i40e_set_rxfh - set the rx flow hash indirection table
2578  * @netdev: network interface device structure
2579  * @indir: indirection table
2580  * @key: hash key
2581  *
2582  * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2583  * returns 0 after programming the table.
2584  **/
2585 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2586                          const u8 *key, const u8 hfunc)
2587 {
2588         struct i40e_netdev_priv *np = netdev_priv(netdev);
2589         struct i40e_vsi *vsi = np->vsi;
2590         struct i40e_pf *pf = vsi->back;
2591         struct i40e_hw *hw = &pf->hw;
2592         u32 reg_val;
2593         int i, j;
2594
2595         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
2596                 return -EOPNOTSUPP;
2597
2598         if (!indir)
2599                 return 0;
2600
2601         for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2602                 reg_val = indir[j++];
2603                 reg_val |= indir[j++] << 8;
2604                 reg_val |= indir[j++] << 16;
2605                 reg_val |= indir[j++] << 24;
2606                 wr32(hw, I40E_PFQF_HLUT(i), reg_val);
2607         }
2608
2609         if (key) {
2610                 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2611                         reg_val = key[j++];
2612                         reg_val |= key[j++] << 8;
2613                         reg_val |= key[j++] << 16;
2614                         reg_val |= key[j++] << 24;
2615                         wr32(hw, I40E_PFQF_HKEY(i), reg_val);
2616                 }
2617         }
2618         return 0;
2619 }
2620
2621 /**
2622  * i40e_get_priv_flags - report device private flags
2623  * @dev: network interface device structure
2624  *
2625  * The get string set count and the string set should be matched for each
2626  * flag returned.  Add new strings for each flag to the i40e_priv_flags_strings
2627  * array.
2628  *
2629  * Returns a u32 bitmap of flags.
2630  **/
2631 static u32 i40e_get_priv_flags(struct net_device *dev)
2632 {
2633         struct i40e_netdev_priv *np = netdev_priv(dev);
2634         struct i40e_vsi *vsi = np->vsi;
2635         struct i40e_pf *pf = vsi->back;
2636         u32 ret_flags = 0;
2637
2638         ret_flags |= pf->hw.func_caps.npar_enable ?
2639                 I40E_PRIV_FLAGS_NPAR_FLAG : 0;
2640         ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ?
2641                 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0;
2642
2643         return ret_flags;
2644 }
2645
2646 /**
2647  * i40e_set_priv_flags - set private flags
2648  * @dev: network interface device structure
2649  * @flags: bit flags to be set
2650  **/
2651 static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
2652 {
2653         struct i40e_netdev_priv *np = netdev_priv(dev);
2654         struct i40e_vsi *vsi = np->vsi;
2655         struct i40e_pf *pf = vsi->back;
2656
2657         if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
2658                 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
2659         else
2660                 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;
2661
2662         return 0;
2663 }
2664
2665 static const struct ethtool_ops i40e_ethtool_ops = {
2666         .get_settings           = i40e_get_settings,
2667         .set_settings           = i40e_set_settings,
2668         .get_drvinfo            = i40e_get_drvinfo,
2669         .get_regs_len           = i40e_get_regs_len,
2670         .get_regs               = i40e_get_regs,
2671         .nway_reset             = i40e_nway_reset,
2672         .get_link               = ethtool_op_get_link,
2673         .get_wol                = i40e_get_wol,
2674         .set_wol                = i40e_set_wol,
2675         .set_eeprom             = i40e_set_eeprom,
2676         .get_eeprom_len         = i40e_get_eeprom_len,
2677         .get_eeprom             = i40e_get_eeprom,
2678         .get_ringparam          = i40e_get_ringparam,
2679         .set_ringparam          = i40e_set_ringparam,
2680         .get_pauseparam         = i40e_get_pauseparam,
2681         .set_pauseparam         = i40e_set_pauseparam,
2682         .get_msglevel           = i40e_get_msglevel,
2683         .set_msglevel           = i40e_set_msglevel,
2684         .get_rxnfc              = i40e_get_rxnfc,
2685         .set_rxnfc              = i40e_set_rxnfc,
2686         .self_test              = i40e_diag_test,
2687         .get_strings            = i40e_get_strings,
2688         .set_phys_id            = i40e_set_phys_id,
2689         .get_sset_count         = i40e_get_sset_count,
2690         .get_ethtool_stats      = i40e_get_ethtool_stats,
2691         .get_coalesce           = i40e_get_coalesce,
2692         .set_coalesce           = i40e_set_coalesce,
2693         .get_rxfh_key_size      = i40e_get_rxfh_key_size,
2694         .get_rxfh_indir_size    = i40e_get_rxfh_indir_size,
2695         .get_rxfh               = i40e_get_rxfh,
2696         .set_rxfh               = i40e_set_rxfh,
2697         .get_channels           = i40e_get_channels,
2698         .set_channels           = i40e_set_channels,
2699         .get_ts_info            = i40e_get_ts_info,
2700         .get_priv_flags         = i40e_get_priv_flags,
2701         .set_priv_flags         = i40e_set_priv_flags,
2702 };
2703
2704 void i40e_set_ethtool_ops(struct net_device *netdev)
2705 {
2706         netdev->ethtool_ops = &i40e_ethtool_ops;
2707 }