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

   1 /*******************************************************************************
   2  *
   3  * Intel Ethernet Controller XL710 Family Linux Driver
   4  * Copyright(c) 2013 - 2015 Intel Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * The full GNU General Public License is included in this distribution in
  19  * the file called "COPYING".
  20  *
  21  * Contact Information:
  22  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  ******************************************************************************/
  26
  27 /* ethtool support for i40e */
  28
  29 #include "i40e.h"
  30 #include "i40e_diag.h"
  31
  32 struct i40e_stats {
  33         char stat_string[ETH_GSTRING_LEN];
  34         int sizeof_stat;
  35         int stat_offset;
  36 };
  37
  38 #define I40E_STAT(_type, _name, _stat) { \
  39         .stat_string = _name, \
  40         .sizeof_stat = FIELD_SIZEOF(_type, _stat), \
  41         .stat_offset = offsetof(_type, _stat) \
  42 }
  43
  44 #define I40E_NETDEV_STAT(_net_stat) \
  45                 I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat)
  46 #define I40E_PF_STAT(_name, _stat) \
  47                 I40E_STAT(struct i40e_pf, _name, _stat)
  48 #define I40E_VSI_STAT(_name, _stat) \
  49                 I40E_STAT(struct i40e_vsi, _name, _stat)
  50 #define I40E_VEB_STAT(_name, _stat) \
  51                 I40E_STAT(struct i40e_veb, _name, _stat)
  52
  53 static const struct i40e_stats i40e_gstrings_net_stats[] = {
  54         I40E_NETDEV_STAT(rx_packets),
  55         I40E_NETDEV_STAT(tx_packets),
  56         I40E_NETDEV_STAT(rx_bytes),
  57         I40E_NETDEV_STAT(tx_bytes),
  58         I40E_NETDEV_STAT(rx_errors),
  59         I40E_NETDEV_STAT(tx_errors),
  60         I40E_NETDEV_STAT(rx_dropped),
  61         I40E_NETDEV_STAT(tx_dropped),
  62         I40E_NETDEV_STAT(collisions),
  63         I40E_NETDEV_STAT(rx_length_errors),
  64         I40E_NETDEV_STAT(rx_crc_errors),
  65 };
  66
  67 static const struct i40e_stats i40e_gstrings_veb_stats[] = {
  68         I40E_VEB_STAT("rx_bytes", stats.rx_bytes),
  69         I40E_VEB_STAT("tx_bytes", stats.tx_bytes),
  70         I40E_VEB_STAT("rx_unicast", stats.rx_unicast),
  71         I40E_VEB_STAT("tx_unicast", stats.tx_unicast),
  72         I40E_VEB_STAT("rx_multicast", stats.rx_multicast),
  73         I40E_VEB_STAT("tx_multicast", stats.tx_multicast),
  74         I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast),
  75         I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast),
  76         I40E_VEB_STAT("rx_discards", stats.rx_discards),
  77         I40E_VEB_STAT("tx_discards", stats.tx_discards),
  78         I40E_VEB_STAT("tx_errors", stats.tx_errors),
  79         I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol),
  80 };
  81
  82 static const struct i40e_stats i40e_gstrings_misc_stats[] = {
  83         I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
  84         I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
  85         I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
  86         I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
  87         I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
  88         I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
  89         I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
  90         I40E_VSI_STAT("tx_linearize", tx_linearize),
  91 };
  92
  93 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
  94  * but they are separate.  This device supports Virtualization, and
  95  * as such might have several netdevs supporting VMDq and FCoE going
  96  * through a single port.  The NETDEV_STATs are for individual netdevs
  97  * seen at the top of the stack, and the PF_STATs are for the physical
  98  * function at the bottom of the stack hosting those netdevs.
  99  *
 100  * The PF_STATs are appended to the netdev stats only when ethtool -S
 101  * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
 102  */
 103 static struct i40e_stats i40e_gstrings_stats[] = {
 104         I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
 105         I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
 106         I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
 107         I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
 108         I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
 109         I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
 110         I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
 111         I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
 112         I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
 113         I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
 114         I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
 115         I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
 116         I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
 117         I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
 118         I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
 119         I40E_PF_STAT("tx_timeout", tx_timeout_count),
 120         I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
 121         I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
 122         I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
 123         I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
 124         I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
 125         I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
 126         I40E_PF_STAT("rx_size_64", stats.rx_size_64),
 127         I40E_PF_STAT("rx_size_127", stats.rx_size_127),
 128         I40E_PF_STAT("rx_size_255", stats.rx_size_255),
 129         I40E_PF_STAT("rx_size_511", stats.rx_size_511),
 130         I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
 131         I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
 132         I40E_PF_STAT("rx_size_big", stats.rx_size_big),
 133         I40E_PF_STAT("tx_size_64", stats.tx_size_64),
 134         I40E_PF_STAT("tx_size_127", stats.tx_size_127),
 135         I40E_PF_STAT("tx_size_255", stats.tx_size_255),
 136         I40E_PF_STAT("tx_size_511", stats.tx_size_511),
 137         I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
 138         I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
 139         I40E_PF_STAT("tx_size_big", stats.tx_size_big),
 140         I40E_PF_STAT("rx_undersize", stats.rx_undersize),
 141         I40E_PF_STAT("rx_fragments", stats.rx_fragments),
 142         I40E_PF_STAT("rx_oversize", stats.rx_oversize),
 143         I40E_PF_STAT("rx_jabber", stats.rx_jabber),
 144         I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
 145         I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
 146         I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
 147         I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
 148         I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
 149         I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
 150         I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
 151         I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
 152
 153         /* LPI stats */
 154         I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
 155         I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
 156         I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
 157         I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
 158 };
 159
 160 #ifdef I40E_FCOE
 161 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
 162         I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
 163         I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
 164         I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
 165         I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
 166         I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
 167         I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
 168         I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
 169         I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
 170 };
 171
 172 #endif /* I40E_FCOE */
 173 #define I40E_QUEUE_STATS_LEN(n) \
 174         (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
 175             * 2 /* Tx and Rx together */                                     \
 176             * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
 177 #define I40E_GLOBAL_STATS_LEN   ARRAY_SIZE(i40e_gstrings_stats)
 178 #define I40E_NETDEV_STATS_LEN   ARRAY_SIZE(i40e_gstrings_net_stats)
 179 #define I40E_MISC_STATS_LEN     ARRAY_SIZE(i40e_gstrings_misc_stats)
 180 #ifdef I40E_FCOE
 181 #define I40E_FCOE_STATS_LEN     ARRAY_SIZE(i40e_gstrings_fcoe_stats)
 182 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 183                                  I40E_FCOE_STATS_LEN + \
 184                                  I40E_MISC_STATS_LEN + \
 185                                  I40E_QUEUE_STATS_LEN((n)))
 186 #else
 187 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 188                                  I40E_MISC_STATS_LEN + \
 189                                  I40E_QUEUE_STATS_LEN((n)))
 190 #endif /* I40E_FCOE */
 191 #define I40E_PFC_STATS_LEN ( \
 192                 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
 193                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
 194                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
 195                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
 196                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
 197                  / sizeof(u64))
 198 #define I40E_VEB_TC_STATS_LEN ( \
 199                 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
 200                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
 201                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
 202                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
 203                  / sizeof(u64))
 204 #define I40E_VEB_STATS_LEN      ARRAY_SIZE(i40e_gstrings_veb_stats)
 205 #define I40E_VEB_STATS_TOTAL    (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
 206 #define I40E_PF_STATS_LEN(n)    (I40E_GLOBAL_STATS_LEN + \
 207                                  I40E_PFC_STATS_LEN + \
 208                                  I40E_VSI_STATS_LEN((n)))
 209
 210 enum i40e_ethtool_test_id {
 211         I40E_ETH_TEST_REG = 0,
 212         I40E_ETH_TEST_EEPROM,
 213         I40E_ETH_TEST_INTR,
 214         I40E_ETH_TEST_LOOPBACK,
 215         I40E_ETH_TEST_LINK,
 216 };
 217
 218 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
 219         "Register test  (offline)",
 220         "Eeprom test    (offline)",
 221         "Interrupt test (offline)",
 222         "Loopback test  (offline)",
 223         "Link test   (on/offline)"
 224 };
 225
 226 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
 227
 228 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
 229         "NPAR",
 230         "LinkPolling",
 231         "flow-director-atr",
 232 };
 233
 234 #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings)
 235
 236 /**
 237  * i40e_partition_setting_complaint - generic complaint for MFP restriction
 238  * @pf: the PF struct
 239  **/
 240 static void i40e_partition_setting_complaint(struct i40e_pf *pf)
 241 {
 242         dev_info(&pf->pdev->dev,
 243                  "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");
 244 }
 245
 246 /**
 247  * i40e_get_settings_link_up - Get the Link settings for when link is up
 248  * @hw: hw structure
 249  * @ecmd: ethtool command to fill in
 250  * @netdev: network interface device structure
 251  *
 252  **/
 253 static void i40e_get_settings_link_up(struct i40e_hw *hw,
 254                                       struct ethtool_cmd *ecmd,
 255                                       struct net_device *netdev,
 256                                       struct i40e_pf *pf)
 257 {
 258         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 259         u32 link_speed = hw_link_info->link_speed;
 260
 261         /* Initialize supported and advertised settings based on phy settings */
 262         switch (hw_link_info->phy_type) {
 263         case I40E_PHY_TYPE_40GBASE_CR4:
 264         case I40E_PHY_TYPE_40GBASE_CR4_CU:
 265                 ecmd->supported = SUPPORTED_Autoneg |
 266                                   SUPPORTED_40000baseCR4_Full;
 267                 ecmd->advertising = ADVERTISED_Autoneg |
 268                                     ADVERTISED_40000baseCR4_Full;
 269                 break;
 270         case I40E_PHY_TYPE_XLAUI:
 271         case I40E_PHY_TYPE_XLPPI:
 272         case I40E_PHY_TYPE_40GBASE_AOC:
 273                 ecmd->supported = SUPPORTED_40000baseCR4_Full;
 274                 break;
 275         case I40E_PHY_TYPE_40GBASE_SR4:
 276                 ecmd->supported = SUPPORTED_40000baseSR4_Full;
 277                 break;
 278         case I40E_PHY_TYPE_40GBASE_LR4:
 279                 ecmd->supported = SUPPORTED_40000baseLR4_Full;
 280                 break;
 281         case I40E_PHY_TYPE_10GBASE_SR:
 282         case I40E_PHY_TYPE_10GBASE_LR:
 283         case I40E_PHY_TYPE_1000BASE_SX:
 284         case I40E_PHY_TYPE_1000BASE_LX:
 285                 ecmd->supported = SUPPORTED_10000baseT_Full;
 286                 if (hw_link_info->module_type[2] &
 287                     I40E_MODULE_TYPE_1000BASE_SX ||
 288                     hw_link_info->module_type[2] &
 289                     I40E_MODULE_TYPE_1000BASE_LX) {
 290                         ecmd->supported |= SUPPORTED_1000baseT_Full;
 291                         if (hw_link_info->requested_speeds &
 292                             I40E_LINK_SPEED_1GB)
 293                                 ecmd->advertising |= ADVERTISED_1000baseT_Full;
 294                 }
 295                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 296                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 297                 break;
 298         case I40E_PHY_TYPE_10GBASE_T:
 299         case I40E_PHY_TYPE_1000BASE_T:
 300                 ecmd->supported = SUPPORTED_Autoneg |
 301                                   SUPPORTED_10000baseT_Full |
 302                                   SUPPORTED_1000baseT_Full;
 303                 ecmd->advertising = ADVERTISED_Autoneg;
 304                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 305                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 306                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 307                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 308                 break;
 309         case I40E_PHY_TYPE_100BASE_TX:
 310                 ecmd->supported = SUPPORTED_Autoneg |
 311                                   SUPPORTED_100baseT_Full;
 312                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 313                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 314                 break;
 315         case I40E_PHY_TYPE_10GBASE_CR1_CU:
 316         case I40E_PHY_TYPE_10GBASE_CR1:
 317                 ecmd->supported = SUPPORTED_Autoneg |
 318                                   SUPPORTED_10000baseT_Full;
 319                 ecmd->advertising = ADVERTISED_Autoneg |
 320                                     ADVERTISED_10000baseT_Full;
 321                 break;
 322         case I40E_PHY_TYPE_XAUI:
 323         case I40E_PHY_TYPE_XFI:
 324         case I40E_PHY_TYPE_SFI:
 325         case I40E_PHY_TYPE_10GBASE_SFPP_CU:
 326         case I40E_PHY_TYPE_10GBASE_AOC:
 327                 ecmd->supported = SUPPORTED_10000baseT_Full;
 328                 break;
 329         case I40E_PHY_TYPE_SGMII:
 330                 ecmd->supported = SUPPORTED_Autoneg |
 331                                   SUPPORTED_1000baseT_Full;
 332                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 333                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 334                 if (pf->hw.mac.type == I40E_MAC_X722) {
 335                         ecmd->supported |= SUPPORTED_100baseT_Full;
 336                         if (hw_link_info->requested_speeds &
 337                             I40E_LINK_SPEED_100MB)
 338                                 ecmd->advertising |= ADVERTISED_100baseT_Full;
 339                 }
 340                 break;
 341         /* Backplane is set based on supported phy types in get_settings
 342          * so don't set anything here but don't warn either
 343          */
 344         case I40E_PHY_TYPE_40GBASE_KR4:
 345         case I40E_PHY_TYPE_20GBASE_KR2:
 346         case I40E_PHY_TYPE_10GBASE_KR:
 347         case I40E_PHY_TYPE_10GBASE_KX4:
 348         case I40E_PHY_TYPE_1000BASE_KX:
 349                 break;
 350         default:
 351                 /* if we got here and link is up something bad is afoot */
 352                 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
 353                             hw_link_info->phy_type);
 354         }
 355
 356         /* Set speed and duplex */
 357         switch (link_speed) {
 358         case I40E_LINK_SPEED_40GB:
 359                 ethtool_cmd_speed_set(ecmd, SPEED_40000);
 360                 break;
 361         case I40E_LINK_SPEED_20GB:
 362                 ethtool_cmd_speed_set(ecmd, SPEED_20000);
 363                 break;
 364         case I40E_LINK_SPEED_10GB:
 365                 ethtool_cmd_speed_set(ecmd, SPEED_10000);
 366                 break;
 367         case I40E_LINK_SPEED_1GB:
 368                 ethtool_cmd_speed_set(ecmd, SPEED_1000);
 369                 break;
 370         case I40E_LINK_SPEED_100MB:
 371                 ethtool_cmd_speed_set(ecmd, SPEED_100);
 372                 break;
 373         default:
 374                 break;
 375         }
 376         ecmd->duplex = DUPLEX_FULL;
 377 }
 378
 379 /**
 380  * i40e_get_settings_link_down - Get the Link settings for when link is down
 381  * @hw: hw structure
 382  * @ecmd: ethtool command to fill in
 383  *
 384  * Reports link settings that can be determined when link is down
 385  **/
 386 static void i40e_get_settings_link_down(struct i40e_hw *hw,
 387                                         struct ethtool_cmd *ecmd,
 388                                         struct i40e_pf *pf)
 389 {
 390         enum i40e_aq_capabilities_phy_type phy_types = hw->phy.phy_types;
 391
 392         /* link is down and the driver needs to fall back on
 393          * supported phy types to figure out what info to display
 394          */
 395         ecmd->supported = 0x0;
 396         ecmd->advertising = 0x0;
 397         if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
 398                 ecmd->supported |= SUPPORTED_Autoneg |
 399                                    SUPPORTED_1000baseT_Full;
 400                 ecmd->advertising |= ADVERTISED_Autoneg |
 401                                      ADVERTISED_1000baseT_Full;
 402                 if (pf->hw.mac.type == I40E_MAC_X722) {
 403                         ecmd->supported |= SUPPORTED_100baseT_Full;
 404                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 405                 }
 406         }
 407         if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
 408             phy_types & I40E_CAP_PHY_TYPE_XFI ||
 409             phy_types & I40E_CAP_PHY_TYPE_SFI ||
 410             phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
 411             phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC)
 412                 ecmd->supported |= SUPPORTED_10000baseT_Full;
 413         if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
 414             phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
 415             phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
 416             phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
 417             phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
 418                 ecmd->supported |= SUPPORTED_Autoneg |
 419                                    SUPPORTED_10000baseT_Full;
 420                 ecmd->advertising |= ADVERTISED_Autoneg |
 421                                      ADVERTISED_10000baseT_Full;
 422         }
 423         if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
 424             phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
 425             phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
 426                 ecmd->supported |= SUPPORTED_40000baseCR4_Full;
 427         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
 428             phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
 429                 ecmd->supported |= SUPPORTED_Autoneg |
 430                                   SUPPORTED_40000baseCR4_Full;
 431                 ecmd->advertising |= ADVERTISED_Autoneg |
 432                                     ADVERTISED_40000baseCR4_Full;
 433         }
 434         if ((phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) &&
 435             !(phy_types & I40E_CAP_PHY_TYPE_1000BASE_T)) {
 436                 ecmd->supported |= SUPPORTED_Autoneg |
 437                                    SUPPORTED_100baseT_Full;
 438                 ecmd->advertising |= ADVERTISED_Autoneg |
 439                                      ADVERTISED_100baseT_Full;
 440         }
 441         if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
 442             phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
 443             phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
 444             phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
 445                 ecmd->supported |= SUPPORTED_Autoneg |
 446                                    SUPPORTED_1000baseT_Full;
 447                 ecmd->advertising |= ADVERTISED_Autoneg |
 448                                      ADVERTISED_1000baseT_Full;
 449         }
 450         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
 451                 ecmd->supported |= SUPPORTED_40000baseSR4_Full;
 452         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
 453                 ecmd->supported |= SUPPORTED_40000baseLR4_Full;
 454
 455         /* With no link speed and duplex are unknown */
 456         ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
 457         ecmd->duplex = DUPLEX_UNKNOWN;
 458 }
 459
 460 /**
 461  * i40e_get_settings - Get Link Speed and Duplex settings
 462  * @netdev: network interface device structure
 463  * @ecmd: ethtool command
 464  *
 465  * Reports speed/duplex settings based on media_type
 466  **/
 467 static int i40e_get_settings(struct net_device *netdev,
 468                              struct ethtool_cmd *ecmd)
 469 {
 470         struct i40e_netdev_priv *np = netdev_priv(netdev);
 471         struct i40e_pf *pf = np->vsi->back;
 472         struct i40e_hw *hw = &pf->hw;
 473         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 474         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 475
 476         if (link_up)
 477                 i40e_get_settings_link_up(hw, ecmd, netdev, pf);
 478         else
 479                 i40e_get_settings_link_down(hw, ecmd, pf);
 480
 481         /* Now set the settings that don't rely on link being up/down */
 482
 483         /* For backplane, supported and advertised are only reliant on the
 484          * phy types the NVM specifies are supported.
 485          */
 486         if (hw->device_id == I40E_DEV_ID_KX_B ||
 487             hw->device_id == I40E_DEV_ID_KX_C ||
 488             hw->device_id == I40E_DEV_ID_20G_KR2 ||
 489             hw->device_id ==  I40E_DEV_ID_20G_KR2_A) {
 490                 ecmd->supported = SUPPORTED_Autoneg;
 491                 ecmd->advertising = ADVERTISED_Autoneg;
 492                 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
 493                         ecmd->supported |= SUPPORTED_40000baseKR4_Full;
 494                         ecmd->advertising |= ADVERTISED_40000baseKR4_Full;
 495                 }
 496                 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
 497                         ecmd->supported |= SUPPORTED_20000baseKR2_Full;
 498                         ecmd->advertising |= ADVERTISED_20000baseKR2_Full;
 499                 }
 500                 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
 501                         ecmd->supported |= SUPPORTED_10000baseKR_Full;
 502                         ecmd->advertising |= ADVERTISED_10000baseKR_Full;
 503                 }
 504                 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
 505                         ecmd->supported |= SUPPORTED_10000baseKX4_Full;
 506                         ecmd->advertising |= ADVERTISED_10000baseKX4_Full;
 507                 }
 508                 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
 509                         ecmd->supported |= SUPPORTED_1000baseKX_Full;
 510                         ecmd->advertising |= ADVERTISED_1000baseKX_Full;
 511                 }
 512         }
 513
 514         /* Set autoneg settings */
 515         ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 516                           AUTONEG_ENABLE : AUTONEG_DISABLE);
 517
 518         switch (hw->phy.media_type) {
 519         case I40E_MEDIA_TYPE_BACKPLANE:
 520                 ecmd->supported |= SUPPORTED_Autoneg |
 521                                    SUPPORTED_Backplane;
 522                 ecmd->advertising |= ADVERTISED_Autoneg |
 523                                      ADVERTISED_Backplane;
 524                 ecmd->port = PORT_NONE;
 525                 break;
 526         case I40E_MEDIA_TYPE_BASET:
 527                 ecmd->supported |= SUPPORTED_TP;
 528                 ecmd->advertising |= ADVERTISED_TP;
 529                 ecmd->port = PORT_TP;
 530                 break;
 531         case I40E_MEDIA_TYPE_DA:
 532         case I40E_MEDIA_TYPE_CX4:
 533                 ecmd->supported |= SUPPORTED_FIBRE;
 534                 ecmd->advertising |= ADVERTISED_FIBRE;
 535                 ecmd->port = PORT_DA;
 536                 break;
 537         case I40E_MEDIA_TYPE_FIBER:
 538                 ecmd->supported |= SUPPORTED_FIBRE;
 539                 ecmd->port = PORT_FIBRE;
 540                 break;
 541         case I40E_MEDIA_TYPE_UNKNOWN:
 542         default:
 543                 ecmd->port = PORT_OTHER;
 544                 break;
 545         }
 546
 547         /* Set transceiver */
 548         ecmd->transceiver = XCVR_EXTERNAL;
 549
 550         /* Set flow control settings */
 551         ecmd->supported |= SUPPORTED_Pause;
 552
 553         switch (hw->fc.requested_mode) {
 554         case I40E_FC_FULL:
 555                 ecmd->advertising |= ADVERTISED_Pause;
 556                 break;
 557         case I40E_FC_TX_PAUSE:
 558                 ecmd->advertising |= ADVERTISED_Asym_Pause;
 559                 break;
 560         case I40E_FC_RX_PAUSE:
 561                 ecmd->advertising |= (ADVERTISED_Pause |
 562                                       ADVERTISED_Asym_Pause);
 563                 break;
 564         default:
 565                 ecmd->advertising &= ~(ADVERTISED_Pause |
 566                                        ADVERTISED_Asym_Pause);
 567                 break;
 568         }
 569
 570         return 0;
 571 }
 572
 573 /**
 574  * i40e_set_settings - Set Speed and Duplex
 575  * @netdev: network interface device structure
 576  * @ecmd: ethtool command
 577  *
 578  * Set speed/duplex per media_types advertised/forced
 579  **/
 580 static int i40e_set_settings(struct net_device *netdev,
 581                              struct ethtool_cmd *ecmd)
 582 {
 583         struct i40e_netdev_priv *np = netdev_priv(netdev);
 584         struct i40e_aq_get_phy_abilities_resp abilities;
 585         struct i40e_aq_set_phy_config config;
 586         struct i40e_pf *pf = np->vsi->back;
 587         struct i40e_vsi *vsi = np->vsi;
 588         struct i40e_hw *hw = &pf->hw;
 589         struct ethtool_cmd safe_ecmd;
 590         i40e_status status = 0;
 591         bool change = false;
 592         int err = 0;
 593         u8 autoneg;
 594         u32 advertise;
 595
 596         /* Changing port settings is not supported if this isn't the
 597          * port's controlling PF
 598          */
 599         if (hw->partition_id != 1) {
 600                 i40e_partition_setting_complaint(pf);
 601                 return -EOPNOTSUPP;
 602         }
 603
 604         if (vsi != pf->vsi[pf->lan_vsi])
 605                 return -EOPNOTSUPP;
 606
 607         if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
 608             hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
 609             hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
 610             hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
 611                 return -EOPNOTSUPP;
 612
 613         if (hw->device_id == I40E_DEV_ID_KX_B ||
 614             hw->device_id == I40E_DEV_ID_KX_C ||
 615             hw->device_id == I40E_DEV_ID_20G_KR2 ||
 616             hw->device_id == I40E_DEV_ID_20G_KR2_A) {
 617                 netdev_info(netdev, "Changing settings is not supported on backplane.\n");
 618                 return -EOPNOTSUPP;
 619         }
 620
 621         /* get our own copy of the bits to check against */
 622         memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
 623         i40e_get_settings(netdev, &safe_ecmd);
 624
 625         /* save autoneg and speed out of ecmd */
 626         autoneg = ecmd->autoneg;
 627         advertise = ecmd->advertising;
 628
 629         /* set autoneg and speed back to what they currently are */
 630         ecmd->autoneg = safe_ecmd.autoneg;
 631         ecmd->advertising = safe_ecmd.advertising;
 632
 633         ecmd->cmd = safe_ecmd.cmd;
 634         /* If ecmd and safe_ecmd are not the same now, then they are
 635          * trying to set something that we do not support
 636          */
 637         if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
 638                 return -EOPNOTSUPP;
 639
 640         while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
 641                 usleep_range(1000, 2000);
 642
 643         /* Get the current phy config */
 644         status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
 645                                               NULL);
 646         if (status)
 647                 return -EAGAIN;
 648
 649         /* Copy abilities to config in case autoneg is not
 650          * set below
 651          */
 652         memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
 653         config.abilities = abilities.abilities;
 654
 655         /* Check autoneg */
 656         if (autoneg == AUTONEG_ENABLE) {
 657                 /* If autoneg is not supported, return error */
 658                 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
 659                         netdev_info(netdev, "Autoneg not supported on this phy\n");
 660                         return -EINVAL;
 661                 }
 662                 /* If autoneg was not already enabled */
 663                 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
 664                         config.abilities = abilities.abilities |
 665                                            I40E_AQ_PHY_ENABLE_AN;
 666                         change = true;
 667                 }
 668         } else {
 669                 /* If autoneg is supported 10GBASE_T is the only phy that
 670                  * can disable it, so otherwise return error
 671                  */
 672                 if (safe_ecmd.supported & SUPPORTED_Autoneg &&
 673                     hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) {
 674                         netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
 675                         return -EINVAL;
 676                 }
 677                 /* If autoneg is currently enabled */
 678                 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
 679                         config.abilities = abilities.abilities &
 680                                            ~I40E_AQ_PHY_ENABLE_AN;
 681                         change = true;
 682                 }
 683         }
 684
 685         if (advertise & ~safe_ecmd.supported)
 686                 return -EINVAL;
 687
 688         if (advertise & ADVERTISED_100baseT_Full)
 689                 config.link_speed |= I40E_LINK_SPEED_100MB;
 690         if (advertise & ADVERTISED_1000baseT_Full ||
 691             advertise & ADVERTISED_1000baseKX_Full)
 692                 config.link_speed |= I40E_LINK_SPEED_1GB;
 693         if (advertise & ADVERTISED_10000baseT_Full ||
 694             advertise & ADVERTISED_10000baseKX4_Full ||
 695             advertise & ADVERTISED_10000baseKR_Full)
 696                 config.link_speed |= I40E_LINK_SPEED_10GB;
 697         if (advertise & ADVERTISED_20000baseKR2_Full)
 698                 config.link_speed |= I40E_LINK_SPEED_20GB;
 699         if (advertise & ADVERTISED_40000baseKR4_Full ||
 700             advertise & ADVERTISED_40000baseCR4_Full ||
 701             advertise & ADVERTISED_40000baseSR4_Full ||
 702             advertise & ADVERTISED_40000baseLR4_Full)
 703                 config.link_speed |= I40E_LINK_SPEED_40GB;
 704
 705         /* If speed didn't get set, set it to what it currently is.
 706          * This is needed because if advertise is 0 (as it is when autoneg
 707          * is disabled) then speed won't get set.
 708          */
 709         if (!config.link_speed)
 710                 config.link_speed = abilities.link_speed;
 711
 712         if (change || (abilities.link_speed != config.link_speed)) {
 713                 /* copy over the rest of the abilities */
 714                 config.phy_type = abilities.phy_type;
 715                 config.eee_capability = abilities.eee_capability;
 716                 config.eeer = abilities.eeer_val;
 717                 config.low_power_ctrl = abilities.d3_lpan;
 718
 719                 /* save the requested speeds */
 720                 hw->phy.link_info.requested_speeds = config.link_speed;
 721                 /* set link and auto negotiation so changes take effect */
 722                 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
 723                 /* If link is up put link down */
 724                 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
 725                         /* Tell the OS link is going down, the link will go
 726                          * back up when fw says it is ready asynchronously
 727                          */
 728                         i40e_print_link_message(vsi, false);
 729                         netif_carrier_off(netdev);
 730                         netif_tx_stop_all_queues(netdev);
 731                 }
 732
 733                 /* make the aq call */
 734                 status = i40e_aq_set_phy_config(hw, &config, NULL);
 735                 if (status) {
 736                         netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
 737                                     i40e_stat_str(hw, status),
 738                                     i40e_aq_str(hw, hw->aq.asq_last_status));
 739                         return -EAGAIN;
 740                 }
 741
 742                 status = i40e_update_link_info(hw);
 743                 if (status)
 744                         netdev_info(netdev, "Updating link info failed with err %s aq_err %s\n",
 745                                     i40e_stat_str(hw, status),
 746                                     i40e_aq_str(hw, hw->aq.asq_last_status));
 747
 748         } else {
 749                 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
 750         }
 751
 752         return err;
 753 }
 754
 755 static int i40e_nway_reset(struct net_device *netdev)
 756 {
 757         /* restart autonegotiation */
 758         struct i40e_netdev_priv *np = netdev_priv(netdev);
 759         struct i40e_pf *pf = np->vsi->back;
 760         struct i40e_hw *hw = &pf->hw;
 761         bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
 762         i40e_status ret = 0;
 763
 764         ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
 765         if (ret) {
 766                 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
 767                             i40e_stat_str(hw, ret),
 768                             i40e_aq_str(hw, hw->aq.asq_last_status));
 769                 return -EIO;
 770         }
 771
 772         return 0;
 773 }
 774
 775 /**
 776  * i40e_get_pauseparam -  Get Flow Control status
 777  * Return tx/rx-pause status
 778  **/
 779 static void i40e_get_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_hw *hw = &pf->hw;
 785         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 786         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 787
 788         pause->autoneg =
 789                 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 790                   AUTONEG_ENABLE : AUTONEG_DISABLE);
 791
 792         /* PFC enabled so report LFC as off */
 793         if (dcbx_cfg->pfc.pfcenable) {
 794                 pause->rx_pause = 0;
 795                 pause->tx_pause = 0;
 796                 return;
 797         }
 798
 799         if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
 800                 pause->rx_pause = 1;
 801         } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
 802                 pause->tx_pause = 1;
 803         } else if (hw->fc.current_mode == I40E_FC_FULL) {
 804                 pause->rx_pause = 1;
 805                 pause->tx_pause = 1;
 806         }
 807 }
 808
 809 /**
 810  * i40e_set_pauseparam - Set Flow Control parameter
 811  * @netdev: network interface device structure
 812  * @pause: return tx/rx flow control status
 813  **/
 814 static int i40e_set_pauseparam(struct net_device *netdev,
 815                                struct ethtool_pauseparam *pause)
 816 {
 817         struct i40e_netdev_priv *np = netdev_priv(netdev);
 818         struct i40e_pf *pf = np->vsi->back;
 819         struct i40e_vsi *vsi = np->vsi;
 820         struct i40e_hw *hw = &pf->hw;
 821         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 822         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 823         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 824         i40e_status status;
 825         u8 aq_failures;
 826         int err = 0;
 827
 828         /* Changing the port's flow control is not supported if this isn't the
 829          * port's controlling PF
 830          */
 831         if (hw->partition_id != 1) {
 832                 i40e_partition_setting_complaint(pf);
 833                 return -EOPNOTSUPP;
 834         }
 835
 836         if (vsi != pf->vsi[pf->lan_vsi])
 837                 return -EOPNOTSUPP;
 838
 839         if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 840             AUTONEG_ENABLE : AUTONEG_DISABLE)) {
 841                 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
 842                 return -EOPNOTSUPP;
 843         }
 844
 845         /* If we have link and don't have autoneg */
 846         if (!test_bit(__I40E_DOWN, &pf->state) &&
 847             !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
 848                 /* Send message that it might not necessarily work*/
 849                 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
 850         }
 851
 852         if (dcbx_cfg->pfc.pfcenable) {
 853                 netdev_info(netdev,
 854                             "Priority flow control enabled. Cannot set link flow control.\n");
 855                 return -EOPNOTSUPP;
 856         }
 857
 858         if (pause->rx_pause && pause->tx_pause)
 859                 hw->fc.requested_mode = I40E_FC_FULL;
 860         else if (pause->rx_pause && !pause->tx_pause)
 861                 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
 862         else if (!pause->rx_pause && pause->tx_pause)
 863                 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
 864         else if (!pause->rx_pause && !pause->tx_pause)
 865                 hw->fc.requested_mode = I40E_FC_NONE;
 866         else
 867                  return -EINVAL;
 868
 869         /* Tell the OS link is going down, the link will go back up when fw
 870          * says it is ready asynchronously
 871          */
 872         i40e_print_link_message(vsi, false);
 873         netif_carrier_off(netdev);
 874         netif_tx_stop_all_queues(netdev);
 875
 876         /* Set the fc mode and only restart an if link is up*/
 877         status = i40e_set_fc(hw, &aq_failures, link_up);
 878
 879         if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
 880                 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
 881                             i40e_stat_str(hw, status),
 882                             i40e_aq_str(hw, hw->aq.asq_last_status));
 883                 err = -EAGAIN;
 884         }
 885         if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
 886                 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
 887                             i40e_stat_str(hw, status),
 888                             i40e_aq_str(hw, hw->aq.asq_last_status));
 889                 err = -EAGAIN;
 890         }
 891         if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
 892                 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
 893                             i40e_stat_str(hw, status),
 894                             i40e_aq_str(hw, hw->aq.asq_last_status));
 895                 err = -EAGAIN;
 896         }
 897
 898         if (!test_bit(__I40E_DOWN, &pf->state)) {
 899                 /* Give it a little more time to try to come back */
 900                 msleep(75);
 901                 if (!test_bit(__I40E_DOWN, &pf->state))
 902                         return i40e_nway_reset(netdev);
 903         }
 904
 905         return err;
 906 }
 907
 908 static u32 i40e_get_msglevel(struct net_device *netdev)
 909 {
 910         struct i40e_netdev_priv *np = netdev_priv(netdev);
 911         struct i40e_pf *pf = np->vsi->back;
 912
 913         return pf->msg_enable;
 914 }
 915
 916 static void i40e_set_msglevel(struct net_device *netdev, u32 data)
 917 {
 918         struct i40e_netdev_priv *np = netdev_priv(netdev);
 919         struct i40e_pf *pf = np->vsi->back;
 920
 921         if (I40E_DEBUG_USER & data)
 922                 pf->hw.debug_mask = data;
 923         pf->msg_enable = data;
 924 }
 925
 926 static int i40e_get_regs_len(struct net_device *netdev)
 927 {
 928         int reg_count = 0;
 929         int i;
 930
 931         for (i = 0; i40e_reg_list[i].offset != 0; i++)
 932                 reg_count += i40e_reg_list[i].elements;
 933
 934         return reg_count * sizeof(u32);
 935 }
 936
 937 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
 938                           void *p)
 939 {
 940         struct i40e_netdev_priv *np = netdev_priv(netdev);
 941         struct i40e_pf *pf = np->vsi->back;
 942         struct i40e_hw *hw = &pf->hw;
 943         u32 *reg_buf = p;
 944         int i, j, ri;
 945         u32 reg;
 946
 947         /* Tell ethtool which driver-version-specific regs output we have.
 948          *
 949          * At some point, if we have ethtool doing special formatting of
 950          * this data, it will rely on this version number to know how to
 951          * interpret things.  Hence, this needs to be updated if/when the
 952          * diags register table is changed.
 953          */
 954         regs->version = 1;
 955
 956         /* loop through the diags reg table for what to print */
 957         ri = 0;
 958         for (i = 0; i40e_reg_list[i].offset != 0; i++) {
 959                 for (j = 0; j < i40e_reg_list[i].elements; j++) {
 960                         reg = i40e_reg_list[i].offset
 961                                 + (j * i40e_reg_list[i].stride);
 962                         reg_buf[ri++] = rd32(hw, reg);
 963                 }
 964         }
 965
 966 }
 967
 968 static int i40e_get_eeprom(struct net_device *netdev,
 969                            struct ethtool_eeprom *eeprom, u8 *bytes)
 970 {
 971         struct i40e_netdev_priv *np = netdev_priv(netdev);
 972         struct i40e_hw *hw = &np->vsi->back->hw;
 973         struct i40e_pf *pf = np->vsi->back;
 974         int ret_val = 0, len, offset;
 975         u8 *eeprom_buff;
 976         u16 i, sectors;
 977         bool last;
 978         u32 magic;
 979
 980 #define I40E_NVM_SECTOR_SIZE  4096
 981         if (eeprom->len == 0)
 982                 return -EINVAL;
 983
 984         /* check for NVMUpdate access method */
 985         magic = hw->vendor_id | (hw->device_id << 16);
 986         if (eeprom->magic && eeprom->magic != magic) {
 987                 struct i40e_nvm_access *cmd;
 988                 int errno;
 989
 990                 /* make sure it is the right magic for NVMUpdate */
 991                 if ((eeprom->magic >> 16) != hw->device_id)
 992                         return -EINVAL;
 993
 994                 cmd = (struct i40e_nvm_access *)eeprom;
 995                 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
 996                 if (ret_val &&
 997                     ((hw->aq.asq_last_status != I40E_AQ_RC_EACCES) ||
 998                      (hw->debug_mask & I40E_DEBUG_NVM)))
 999                         dev_info(&pf->pdev->dev,
1000                                  "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1001                                  ret_val, hw->aq.asq_last_status, errno,
1002                                  (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1003                                  cmd->offset, cmd->data_size);
1004
1005                 return errno;
1006         }
1007
1008         /* normal ethtool get_eeprom support */
1009         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1010
1011         eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
1012         if (!eeprom_buff)
1013                 return -ENOMEM;
1014
1015         ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
1016         if (ret_val) {
1017                 dev_info(&pf->pdev->dev,
1018                          "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1019                          ret_val, hw->aq.asq_last_status);
1020                 goto free_buff;
1021         }
1022
1023         sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
1024         sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
1025         len = I40E_NVM_SECTOR_SIZE;
1026         last = false;
1027         for (i = 0; i < sectors; i++) {
1028                 if (i == (sectors - 1)) {
1029                         len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
1030                         last = true;
1031                 }
1032                 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
1033                 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1034                                 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1035                                 last, NULL);
1036                 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1037                         dev_info(&pf->pdev->dev,
1038                                  "read NVM failed, invalid offset 0x%x\n",
1039                                  offset);
1040                         break;
1041                 } else if (ret_val &&
1042                            hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1043                         dev_info(&pf->pdev->dev,
1044                                  "read NVM failed, access, offset 0x%x\n",
1045                                  offset);
1046                         break;
1047                 } else if (ret_val) {
1048                         dev_info(&pf->pdev->dev,
1049                                  "read NVM failed offset %d err=%d status=0x%x\n",
1050                                  offset, ret_val, hw->aq.asq_last_status);
1051                         break;
1052                 }
1053         }
1054
1055         i40e_release_nvm(hw);
1056         memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1057 free_buff:
1058         kfree(eeprom_buff);
1059         return ret_val;
1060 }
1061
1062 static int i40e_get_eeprom_len(struct net_device *netdev)
1063 {
1064         struct i40e_netdev_priv *np = netdev_priv(netdev);
1065         struct i40e_hw *hw = &np->vsi->back->hw;
1066         u32 val;
1067
1068         val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1069                 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1070                 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1071         /* register returns value in power of 2, 64Kbyte chunks. */
1072         val = (64 * 1024) * BIT(val);
1073         return val;
1074 }
1075
1076 static int i40e_set_eeprom(struct net_device *netdev,
1077                            struct ethtool_eeprom *eeprom, u8 *bytes)
1078 {
1079         struct i40e_netdev_priv *np = netdev_priv(netdev);
1080         struct i40e_hw *hw = &np->vsi->back->hw;
1081         struct i40e_pf *pf = np->vsi->back;
1082         struct i40e_nvm_access *cmd;
1083         int ret_val = 0;
1084         int errno;
1085         u32 magic;
1086
1087         /* normal ethtool set_eeprom is not supported */
1088         magic = hw->vendor_id | (hw->device_id << 16);
1089         if (eeprom->magic == magic)
1090                 return -EOPNOTSUPP;
1091
1092         /* check for NVMUpdate access method */
1093         if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1094                 return -EINVAL;
1095
1096         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1097             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1098                 return -EBUSY;
1099
1100         cmd = (struct i40e_nvm_access *)eeprom;
1101         ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1102         if (ret_val &&
1103             ((hw->aq.asq_last_status != I40E_AQ_RC_EPERM &&
1104               hw->aq.asq_last_status != I40E_AQ_RC_EBUSY) ||
1105              (hw->debug_mask & I40E_DEBUG_NVM)))
1106                 dev_info(&pf->pdev->dev,
1107                          "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1108                          ret_val, hw->aq.asq_last_status, errno,
1109                          (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1110                          cmd->offset, cmd->data_size);
1111
1112         return errno;
1113 }
1114
1115 static void i40e_get_drvinfo(struct net_device *netdev,
1116                              struct ethtool_drvinfo *drvinfo)
1117 {
1118         struct i40e_netdev_priv *np = netdev_priv(netdev);
1119         struct i40e_vsi *vsi = np->vsi;
1120         struct i40e_pf *pf = vsi->back;
1121
1122         strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1123         strlcpy(drvinfo->version, i40e_driver_version_str,
1124                 sizeof(drvinfo->version));
1125         strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw),
1126                 sizeof(drvinfo->fw_version));
1127         strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1128                 sizeof(drvinfo->bus_info));
1129         drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
1130 }
1131
1132 static void i40e_get_ringparam(struct net_device *netdev,
1133                                struct ethtool_ringparam *ring)
1134 {
1135         struct i40e_netdev_priv *np = netdev_priv(netdev);
1136         struct i40e_pf *pf = np->vsi->back;
1137         struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1138
1139         ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1140         ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1141         ring->rx_mini_max_pending = 0;
1142         ring->rx_jumbo_max_pending = 0;
1143         ring->rx_pending = vsi->rx_rings[0]->count;
1144         ring->tx_pending = vsi->tx_rings[0]->count;
1145         ring->rx_mini_pending = 0;
1146         ring->rx_jumbo_pending = 0;
1147 }
1148
1149 static int i40e_set_ringparam(struct net_device *netdev,
1150                               struct ethtool_ringparam *ring)
1151 {
1152         struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1153         struct i40e_netdev_priv *np = netdev_priv(netdev);
1154         struct i40e_vsi *vsi = np->vsi;
1155         struct i40e_pf *pf = vsi->back;
1156         u32 new_rx_count, new_tx_count;
1157         int i, err = 0;
1158
1159         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1160                 return -EINVAL;
1161
1162         if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1163             ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1164             ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1165             ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1166                 netdev_info(netdev,
1167                             "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1168                             ring->tx_pending, ring->rx_pending,
1169                             I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1170                 return -EINVAL;
1171         }
1172
1173         new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1174         new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1175
1176         /* if nothing to do return success */
1177         if ((new_tx_count == vsi->tx_rings[0]->count) &&
1178             (new_rx_count == vsi->rx_rings[0]->count))
1179                 return 0;
1180
1181         while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1182                 usleep_range(1000, 2000);
1183
1184         if (!netif_running(vsi->netdev)) {
1185                 /* simple case - set for the next time the netdev is started */
1186                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1187                         vsi->tx_rings[i]->count = new_tx_count;
1188                         vsi->rx_rings[i]->count = new_rx_count;
1189                 }
1190                 goto done;
1191         }
1192
1193         /* We can't just free everything and then setup again,
1194          * because the ISRs in MSI-X mode get passed pointers
1195          * to the Tx and Rx ring structs.
1196          */
1197
1198         /* alloc updated Tx resources */
1199         if (new_tx_count != vsi->tx_rings[0]->count) {
1200                 netdev_info(netdev,
1201                             "Changing Tx descriptor count from %d to %d.\n",
1202                             vsi->tx_rings[0]->count, new_tx_count);
1203                 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1204                                    sizeof(struct i40e_ring), GFP_KERNEL);
1205                 if (!tx_rings) {
1206                         err = -ENOMEM;
1207                         goto done;
1208                 }
1209
1210                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1211                         /* clone ring and setup updated count */
1212                         tx_rings[i] = *vsi->tx_rings[i];
1213                         tx_rings[i].count = new_tx_count;
1214                         /* the desc and bi pointers will be reallocated in the
1215                          * setup call
1216                          */
1217                         tx_rings[i].desc = NULL;
1218                         tx_rings[i].rx_bi = NULL;
1219                         err = i40e_setup_tx_descriptors(&tx_rings[i]);
1220                         if (err) {
1221                                 while (i) {
1222                                         i--;
1223                                         i40e_free_tx_resources(&tx_rings[i]);
1224                                 }
1225                                 kfree(tx_rings);
1226                                 tx_rings = NULL;
1227
1228                                 goto done;
1229                         }
1230                 }
1231         }
1232
1233         /* alloc updated Rx resources */
1234         if (new_rx_count != vsi->rx_rings[0]->count) {
1235                 netdev_info(netdev,
1236                             "Changing Rx descriptor count from %d to %d\n",
1237                             vsi->rx_rings[0]->count, new_rx_count);
1238                 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1239                                    sizeof(struct i40e_ring), GFP_KERNEL);
1240                 if (!rx_rings) {
1241                         err = -ENOMEM;
1242                         goto free_tx;
1243                 }
1244
1245                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1246                         /* clone ring and setup updated count */
1247                         rx_rings[i] = *vsi->rx_rings[i];
1248                         rx_rings[i].count = new_rx_count;
1249                         /* the desc and bi pointers will be reallocated in the
1250                          * setup call
1251                          */
1252                         rx_rings[i].desc = NULL;
1253                         rx_rings[i].rx_bi = NULL;
1254                         err = i40e_setup_rx_descriptors(&rx_rings[i]);
1255                         if (err) {
1256                                 while (i) {
1257                                         i--;
1258                                         i40e_free_rx_resources(&rx_rings[i]);
1259                                 }
1260                                 kfree(rx_rings);
1261                                 rx_rings = NULL;
1262
1263                                 goto free_tx;
1264                         }
1265                 }
1266         }
1267
1268         /* Bring interface down, copy in the new ring info,
1269          * then restore the interface
1270          */
1271         i40e_down(vsi);
1272
1273         if (tx_rings) {
1274                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1275                         i40e_free_tx_resources(vsi->tx_rings[i]);
1276                         *vsi->tx_rings[i] = tx_rings[i];
1277                 }
1278                 kfree(tx_rings);
1279                 tx_rings = NULL;
1280         }
1281
1282         if (rx_rings) {
1283                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1284                         i40e_free_rx_resources(vsi->rx_rings[i]);
1285                         *vsi->rx_rings[i] = rx_rings[i];
1286                 }
1287                 kfree(rx_rings);
1288                 rx_rings = NULL;
1289         }
1290
1291         i40e_up(vsi);
1292
1293 free_tx:
1294         /* error cleanup if the Rx allocations failed after getting Tx */
1295         if (tx_rings) {
1296                 for (i = 0; i < vsi->num_queue_pairs; i++)
1297                         i40e_free_tx_resources(&tx_rings[i]);
1298                 kfree(tx_rings);
1299                 tx_rings = NULL;
1300         }
1301
1302 done:
1303         clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1304
1305         return err;
1306 }
1307
1308 static int i40e_get_sset_count(struct net_device *netdev, int sset)
1309 {
1310         struct i40e_netdev_priv *np = netdev_priv(netdev);
1311         struct i40e_vsi *vsi = np->vsi;
1312         struct i40e_pf *pf = vsi->back;
1313
1314         switch (sset) {
1315         case ETH_SS_TEST:
1316                 return I40E_TEST_LEN;
1317         case ETH_SS_STATS:
1318                 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1319                         int len = I40E_PF_STATS_LEN(netdev);
1320
1321                         if ((pf->lan_veb != I40E_NO_VEB) &&
1322                             (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1323                                 len += I40E_VEB_STATS_TOTAL;
1324                         return len;
1325                 } else {
1326                         return I40E_VSI_STATS_LEN(netdev);
1327                 }
1328         case ETH_SS_PRIV_FLAGS:
1329                 return I40E_PRIV_FLAGS_STR_LEN;
1330         default:
1331                 return -EOPNOTSUPP;
1332         }
1333 }
1334
1335 static void i40e_get_ethtool_stats(struct net_device *netdev,
1336                                    struct ethtool_stats *stats, u64 *data)
1337 {
1338         struct i40e_netdev_priv *np = netdev_priv(netdev);
1339         struct i40e_ring *tx_ring, *rx_ring;
1340         struct i40e_vsi *vsi = np->vsi;
1341         struct i40e_pf *pf = vsi->back;
1342         int i = 0;
1343         char *p;
1344         int j;
1345         struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1346         unsigned int start;
1347
1348         i40e_update_stats(vsi);
1349
1350         for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1351                 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1352                 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1353                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1354         }
1355         for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1356                 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1357                 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1358                             sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1359         }
1360 #ifdef I40E_FCOE
1361         for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1362                 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1363                 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1364                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1365         }
1366 #endif
1367         rcu_read_lock();
1368         for (j = 0; j < vsi->num_queue_pairs; j++) {
1369                 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1370
1371                 if (!tx_ring)
1372                         continue;
1373
1374                 /* process Tx ring statistics */
1375                 do {
1376                         start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1377                         data[i] = tx_ring->stats.packets;
1378                         data[i + 1] = tx_ring->stats.bytes;
1379                 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1380                 i += 2;
1381
1382                 /* Rx ring is the 2nd half of the queue pair */
1383                 rx_ring = &tx_ring[1];
1384                 do {
1385                         start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1386                         data[i] = rx_ring->stats.packets;
1387                         data[i + 1] = rx_ring->stats.bytes;
1388                 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1389                 i += 2;
1390         }
1391         rcu_read_unlock();
1392         if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1393                 return;
1394
1395         if ((pf->lan_veb != I40E_NO_VEB) &&
1396             (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1397                 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1398
1399                 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1400                         p = (char *)veb;
1401                         p += i40e_gstrings_veb_stats[j].stat_offset;
1402                         data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1403                                      sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1404                 }
1405         }
1406         for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1407                 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1408                 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1409                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1410         }
1411         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1412                 data[i++] = pf->stats.priority_xon_tx[j];
1413                 data[i++] = pf->stats.priority_xoff_tx[j];
1414         }
1415         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1416                 data[i++] = pf->stats.priority_xon_rx[j];
1417                 data[i++] = pf->stats.priority_xoff_rx[j];
1418         }
1419         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1420                 data[i++] = pf->stats.priority_xon_2_xoff[j];
1421 }
1422
1423 static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1424                              u8 *data)
1425 {
1426         struct i40e_netdev_priv *np = netdev_priv(netdev);
1427         struct i40e_vsi *vsi = np->vsi;
1428         struct i40e_pf *pf = vsi->back;
1429         char *p = (char *)data;
1430         int i;
1431
1432         switch (stringset) {
1433         case ETH_SS_TEST:
1434                 for (i = 0; i < I40E_TEST_LEN; i++) {
1435                         memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1436                         data += ETH_GSTRING_LEN;
1437                 }
1438                 break;
1439         case ETH_SS_STATS:
1440                 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1441                         snprintf(p, ETH_GSTRING_LEN, "%s",
1442                                  i40e_gstrings_net_stats[i].stat_string);
1443                         p += ETH_GSTRING_LEN;
1444                 }
1445                 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1446                         snprintf(p, ETH_GSTRING_LEN, "%s",
1447                                  i40e_gstrings_misc_stats[i].stat_string);
1448                         p += ETH_GSTRING_LEN;
1449                 }
1450 #ifdef I40E_FCOE
1451                 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1452                         snprintf(p, ETH_GSTRING_LEN, "%s",
1453                                  i40e_gstrings_fcoe_stats[i].stat_string);
1454                         p += ETH_GSTRING_LEN;
1455                 }
1456 #endif
1457                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1458                         snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
1459                         p += ETH_GSTRING_LEN;
1460                         snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
1461                         p += ETH_GSTRING_LEN;
1462                         snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
1463                         p += ETH_GSTRING_LEN;
1464                         snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
1465                         p += ETH_GSTRING_LEN;
1466                 }
1467                 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1468                         return;
1469
1470                 if ((pf->lan_veb != I40E_NO_VEB) &&
1471                     (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1472                         for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1473                                 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1474                                         i40e_gstrings_veb_stats[i].stat_string);
1475                                 p += ETH_GSTRING_LEN;
1476                         }
1477                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1478                                 snprintf(p, ETH_GSTRING_LEN,
1479                                          "veb.tc_%u_tx_packets", i);
1480                                 p += ETH_GSTRING_LEN;
1481                                 snprintf(p, ETH_GSTRING_LEN,
1482                                          "veb.tc_%u_tx_bytes", i);
1483                                 p += ETH_GSTRING_LEN;
1484                                 snprintf(p, ETH_GSTRING_LEN,
1485                                          "veb.tc_%u_rx_packets", i);
1486                                 p += ETH_GSTRING_LEN;
1487                                 snprintf(p, ETH_GSTRING_LEN,
1488                                          "veb.tc_%u_rx_bytes", i);
1489                                 p += ETH_GSTRING_LEN;
1490                         }
1491                 }
1492                 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1493                         snprintf(p, ETH_GSTRING_LEN, "port.%s",
1494                                  i40e_gstrings_stats[i].stat_string);
1495                         p += ETH_GSTRING_LEN;
1496                 }
1497                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1498                         snprintf(p, ETH_GSTRING_LEN,
1499                                  "port.tx_priority_%u_xon", i);
1500                         p += ETH_GSTRING_LEN;
1501                         snprintf(p, ETH_GSTRING_LEN,
1502                                  "port.tx_priority_%u_xoff", i);
1503                         p += ETH_GSTRING_LEN;
1504                 }
1505                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1506                         snprintf(p, ETH_GSTRING_LEN,
1507                                  "port.rx_priority_%u_xon", i);
1508                         p += ETH_GSTRING_LEN;
1509                         snprintf(p, ETH_GSTRING_LEN,
1510                                  "port.rx_priority_%u_xoff", i);
1511                         p += ETH_GSTRING_LEN;
1512                 }
1513                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1514                         snprintf(p, ETH_GSTRING_LEN,
1515                                  "port.rx_priority_%u_xon_2_xoff", i);
1516                         p += ETH_GSTRING_LEN;
1517                 }
1518                 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1519                 break;
1520         case ETH_SS_PRIV_FLAGS:
1521                 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1522                         memcpy(data, i40e_priv_flags_strings[i],
1523                                ETH_GSTRING_LEN);
1524                         data += ETH_GSTRING_LEN;
1525                 }
1526                 break;
1527         default:
1528                 break;
1529         }
1530 }
1531
1532 static int i40e_get_ts_info(struct net_device *dev,
1533                             struct ethtool_ts_info *info)
1534 {
1535         struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1536
1537         /* only report HW timestamping if PTP is enabled */
1538         if (!(pf->flags & I40E_FLAG_PTP))
1539                 return ethtool_op_get_ts_info(dev, info);
1540
1541         info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1542                                 SOF_TIMESTAMPING_RX_SOFTWARE |
1543                                 SOF_TIMESTAMPING_SOFTWARE |
1544                                 SOF_TIMESTAMPING_TX_HARDWARE |
1545                                 SOF_TIMESTAMPING_RX_HARDWARE |
1546                                 SOF_TIMESTAMPING_RAW_HARDWARE;
1547
1548         if (pf->ptp_clock)
1549                 info->phc_index = ptp_clock_index(pf->ptp_clock);
1550         else
1551                 info->phc_index = -1;
1552
1553         info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1554
1555         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1556                            BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1557                            BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1558
1559         return 0;
1560 }
1561
1562 static int i40e_link_test(struct net_device *netdev, u64 *data)
1563 {
1564         struct i40e_netdev_priv *np = netdev_priv(netdev);
1565         struct i40e_pf *pf = np->vsi->back;
1566         i40e_status status;
1567         bool link_up = false;
1568
1569         netif_info(pf, hw, netdev, "link test\n");
1570         status = i40e_get_link_status(&pf->hw, &link_up);
1571         if (status) {
1572                 netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1573                 *data = 1;
1574                 return *data;
1575         }
1576
1577         if (link_up)
1578                 *data = 0;
1579         else
1580                 *data = 1;
1581
1582         return *data;
1583 }
1584
1585 static int i40e_reg_test(struct net_device *netdev, u64 *data)
1586 {
1587         struct i40e_netdev_priv *np = netdev_priv(netdev);
1588         struct i40e_pf *pf = np->vsi->back;
1589
1590         netif_info(pf, hw, netdev, "register test\n");
1591         *data = i40e_diag_reg_test(&pf->hw);
1592
1593         return *data;
1594 }
1595
1596 static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1597 {
1598         struct i40e_netdev_priv *np = netdev_priv(netdev);
1599         struct i40e_pf *pf = np->vsi->back;
1600
1601         netif_info(pf, hw, netdev, "eeprom test\n");
1602         *data = i40e_diag_eeprom_test(&pf->hw);
1603
1604         /* forcebly clear the NVM Update state machine */
1605         pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1606
1607         return *data;
1608 }
1609
1610 static int i40e_intr_test(struct net_device *netdev, u64 *data)
1611 {
1612         struct i40e_netdev_priv *np = netdev_priv(netdev);
1613         struct i40e_pf *pf = np->vsi->back;
1614         u16 swc_old = pf->sw_int_count;
1615
1616         netif_info(pf, hw, netdev, "interrupt test\n");
1617         wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1618              (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1619               I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1620               I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1621               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1622               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1623         usleep_range(1000, 2000);
1624         *data = (swc_old == pf->sw_int_count);
1625
1626         return *data;
1627 }
1628
1629 static int i40e_loopback_test(struct net_device *netdev, u64 *data)
1630 {
1631         struct i40e_netdev_priv *np = netdev_priv(netdev);
1632         struct i40e_pf *pf = np->vsi->back;
1633
1634         netif_info(pf, hw, netdev, "loopback test not implemented\n");
1635         *data = 0;
1636
1637         return *data;
1638 }
1639
1640 static inline bool i40e_active_vfs(struct i40e_pf *pf)
1641 {
1642         struct i40e_vf *vfs = pf->vf;
1643         int i;
1644
1645         for (i = 0; i < pf->num_alloc_vfs; i++)
1646                 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1647                         return true;
1648         return false;
1649 }
1650
1651 static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1652 {
1653         struct i40e_vsi **vsi = pf->vsi;
1654         int i;
1655
1656         for (i = 0; i < pf->num_alloc_vsi; i++) {
1657                 if (!vsi[i])
1658                         continue;
1659                 if (vsi[i]->type == I40E_VSI_VMDQ2)
1660                         return true;
1661         }
1662
1663         return false;
1664 }
1665
1666 static void i40e_diag_test(struct net_device *netdev,
1667                            struct ethtool_test *eth_test, u64 *data)
1668 {
1669         struct i40e_netdev_priv *np = netdev_priv(netdev);
1670         bool if_running = netif_running(netdev);
1671         struct i40e_pf *pf = np->vsi->back;
1672
1673         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1674                 /* Offline tests */
1675                 netif_info(pf, drv, netdev, "offline testing starting\n");
1676
1677                 set_bit(__I40E_TESTING, &pf->state);
1678
1679                 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1680                         dev_warn(&pf->pdev->dev,
1681                                  "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1682                         data[I40E_ETH_TEST_REG]         = 1;
1683                         data[I40E_ETH_TEST_EEPROM]      = 1;
1684                         data[I40E_ETH_TEST_INTR]        = 1;
1685                         data[I40E_ETH_TEST_LOOPBACK]    = 1;
1686                         data[I40E_ETH_TEST_LINK]        = 1;
1687                         eth_test->flags |= ETH_TEST_FL_FAILED;
1688                         clear_bit(__I40E_TESTING, &pf->state);
1689                         goto skip_ol_tests;
1690                 }
1691
1692                 /* If the device is online then take it offline */
1693                 if (if_running)
1694                         /* indicate we're in test mode */
1695                         dev_close(netdev);
1696                 else
1697                         /* This reset does not affect link - if it is
1698                          * changed to a type of reset that does affect
1699                          * link then the following link test would have
1700                          * to be moved to before the reset
1701                          */
1702                         i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1703
1704                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1705                         eth_test->flags |= ETH_TEST_FL_FAILED;
1706
1707                 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1708                         eth_test->flags |= ETH_TEST_FL_FAILED;
1709
1710                 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1711                         eth_test->flags |= ETH_TEST_FL_FAILED;
1712
1713                 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
1714                         eth_test->flags |= ETH_TEST_FL_FAILED;
1715
1716                 /* run reg test last, a reset is required after it */
1717                 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1718                         eth_test->flags |= ETH_TEST_FL_FAILED;
1719
1720                 clear_bit(__I40E_TESTING, &pf->state);
1721                 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1722
1723                 if (if_running)
1724                         dev_open(netdev);
1725         } else {
1726                 /* Online tests */
1727                 netif_info(pf, drv, netdev, "online testing starting\n");
1728
1729                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1730                         eth_test->flags |= ETH_TEST_FL_FAILED;
1731
1732                 /* Offline only tests, not run in online; pass by default */
1733                 data[I40E_ETH_TEST_REG] = 0;
1734                 data[I40E_ETH_TEST_EEPROM] = 0;
1735                 data[I40E_ETH_TEST_INTR] = 0;
1736                 data[I40E_ETH_TEST_LOOPBACK] = 0;
1737         }
1738
1739 skip_ol_tests:
1740
1741         netif_info(pf, drv, netdev, "testing finished\n");
1742 }
1743
1744 static void i40e_get_wol(struct net_device *netdev,
1745                          struct ethtool_wolinfo *wol)
1746 {
1747         struct i40e_netdev_priv *np = netdev_priv(netdev);
1748         struct i40e_pf *pf = np->vsi->back;
1749         struct i40e_hw *hw = &pf->hw;
1750         u16 wol_nvm_bits;
1751
1752         /* NVM bit on means WoL disabled for the port */
1753         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1754         if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1755                 wol->supported = 0;
1756                 wol->wolopts = 0;
1757         } else {
1758                 wol->supported = WAKE_MAGIC;
1759                 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1760         }
1761 }
1762
1763 /**
1764  * i40e_set_wol - set the WakeOnLAN configuration
1765  * @netdev: the netdev in question
1766  * @wol: the ethtool WoL setting data
1767  **/
1768 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1769 {
1770         struct i40e_netdev_priv *np = netdev_priv(netdev);
1771         struct i40e_pf *pf = np->vsi->back;
1772         struct i40e_vsi *vsi = np->vsi;
1773         struct i40e_hw *hw = &pf->hw;
1774         u16 wol_nvm_bits;
1775
1776         /* WoL not supported if this isn't the controlling PF on the port */
1777         if (hw->partition_id != 1) {
1778                 i40e_partition_setting_complaint(pf);
1779                 return -EOPNOTSUPP;
1780         }
1781
1782         if (vsi != pf->vsi[pf->lan_vsi])
1783                 return -EOPNOTSUPP;
1784
1785         /* NVM bit on means WoL disabled for the port */
1786         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1787         if (BIT(hw->port) & wol_nvm_bits)
1788                 return -EOPNOTSUPP;
1789
1790         /* only magic packet is supported */
1791         if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1792                 return -EOPNOTSUPP;
1793
1794         /* is this a new value? */
1795         if (pf->wol_en != !!wol->wolopts) {
1796                 pf->wol_en = !!wol->wolopts;
1797                 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1798         }
1799
1800         return 0;
1801 }
1802
1803 static int i40e_set_phys_id(struct net_device *netdev,
1804                             enum ethtool_phys_id_state state)
1805 {
1806         struct i40e_netdev_priv *np = netdev_priv(netdev);
1807         struct i40e_pf *pf = np->vsi->back;
1808         struct i40e_hw *hw = &pf->hw;
1809         int blink_freq = 2;
1810
1811         switch (state) {
1812         case ETHTOOL_ID_ACTIVE:
1813                 pf->led_status = i40e_led_get(hw);
1814                 return blink_freq;
1815         case ETHTOOL_ID_ON:
1816                 i40e_led_set(hw, 0xF, false);
1817                 break;
1818         case ETHTOOL_ID_OFF:
1819                 i40e_led_set(hw, 0x0, false);
1820                 break;
1821         case ETHTOOL_ID_INACTIVE:
1822                 i40e_led_set(hw, pf->led_status, false);
1823                 break;
1824         default:
1825                 break;
1826         }
1827
1828         return 0;
1829 }
1830
1831 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1832  * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1833  * 125us (8000 interrupts per second) == ITR(62)
1834  */
1835
1836 static int i40e_get_coalesce(struct net_device *netdev,
1837                              struct ethtool_coalesce *ec)
1838 {
1839         struct i40e_netdev_priv *np = netdev_priv(netdev);
1840         struct i40e_vsi *vsi = np->vsi;
1841
1842         ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1843         ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1844
1845         if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
1846                 ec->use_adaptive_rx_coalesce = 1;
1847
1848         if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
1849                 ec->use_adaptive_tx_coalesce = 1;
1850
1851         ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
1852         ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
1853
1854         return 0;
1855 }
1856
1857 static int i40e_set_coalesce(struct net_device *netdev,
1858                              struct ethtool_coalesce *ec)
1859 {
1860         struct i40e_netdev_priv *np = netdev_priv(netdev);
1861         struct i40e_q_vector *q_vector;
1862         struct i40e_vsi *vsi = np->vsi;
1863         struct i40e_pf *pf = vsi->back;
1864         struct i40e_hw *hw = &pf->hw;
1865         u16 vector;
1866         int i;
1867
1868         if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
1869                 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
1870
1871         vector = vsi->base_vector;
1872         if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1873             (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1874                 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1875         } else if (ec->rx_coalesce_usecs == 0) {
1876                 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1877                 if (ec->use_adaptive_rx_coalesce)
1878                         netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
1879         } else {
1880                 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
1881                 return -EINVAL;
1882         }
1883
1884         if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1885             (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1886                 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1887         } else if (ec->tx_coalesce_usecs == 0) {
1888                 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1889                 if (ec->use_adaptive_tx_coalesce)
1890                         netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
1891         } else {
1892                 netif_info(pf, drv, netdev,
1893                            "Invalid value, tx-usecs range is 0-8160\n");
1894                 return -EINVAL;
1895         }
1896
1897         if (ec->use_adaptive_rx_coalesce)
1898                 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
1899         else
1900                 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
1901
1902         if (ec->use_adaptive_tx_coalesce)
1903                 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
1904         else
1905                 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
1906
1907         for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
1908                 q_vector = vsi->q_vectors[i];
1909                 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
1910                 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
1911                 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
1912                 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
1913                 i40e_flush(hw);
1914         }
1915
1916         return 0;
1917 }
1918
1919 /**
1920  * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1921  * @pf: pointer to the physical function struct
1922  * @cmd: ethtool rxnfc command
1923  *
1924  * Returns Success if the flow is supported, else Invalid Input.
1925  **/
1926 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
1927 {
1928         cmd->data = 0;
1929
1930         if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
1931                 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
1932                 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
1933                 return 0;
1934         }
1935         /* Report default options for RSS on i40e */
1936         switch (cmd->flow_type) {
1937         case TCP_V4_FLOW:
1938         case UDP_V4_FLOW:
1939                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1940         /* fall through to add IP fields */
1941         case SCTP_V4_FLOW:
1942         case AH_ESP_V4_FLOW:
1943         case AH_V4_FLOW:
1944         case ESP_V4_FLOW:
1945         case IPV4_FLOW:
1946                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1947                 break;
1948         case TCP_V6_FLOW:
1949         case UDP_V6_FLOW:
1950                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1951         /* fall through to add IP fields */
1952         case SCTP_V6_FLOW:
1953         case AH_ESP_V6_FLOW:
1954         case AH_V6_FLOW:
1955         case ESP_V6_FLOW:
1956         case IPV6_FLOW:
1957                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1958                 break;
1959         default:
1960                 return -EINVAL;
1961         }
1962
1963         return 0;
1964 }
1965
1966 /**
1967  * i40e_get_ethtool_fdir_all - Populates the rule count of a command
1968  * @pf: Pointer to the physical function struct
1969  * @cmd: The command to get or set Rx flow classification rules
1970  * @rule_locs: Array of used rule locations
1971  *
1972  * This function populates both the total and actual rule count of
1973  * the ethtool flow classification command
1974  *
1975  * Returns 0 on success or -EMSGSIZE if entry not found
1976  **/
1977 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
1978                                      struct ethtool_rxnfc *cmd,
1979                                      u32 *rule_locs)
1980 {
1981         struct i40e_fdir_filter *rule;
1982         struct hlist_node *node2;
1983         int cnt = 0;
1984
1985         /* report total rule count */
1986         cmd->data = i40e_get_fd_cnt_all(pf);
1987
1988         hlist_for_each_entry_safe(rule, node2,
1989                                   &pf->fdir_filter_list, fdir_node) {
1990                 if (cnt == cmd->rule_cnt)
1991                         return -EMSGSIZE;
1992
1993                 rule_locs[cnt] = rule->fd_id;
1994                 cnt++;
1995         }
1996
1997         cmd->rule_cnt = cnt;
1998
1999         return 0;
2000 }
2001
2002 /**
2003  * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
2004  * @pf: Pointer to the physical function struct
2005  * @cmd: The command to get or set Rx flow classification rules
2006  *
2007  * This function looks up a filter based on the Rx flow classification
2008  * command and fills the flow spec info for it if found
2009  *
2010  * Returns 0 on success or -EINVAL if filter not found
2011  **/
2012 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
2013                                        struct ethtool_rxnfc *cmd)
2014 {
2015         struct ethtool_rx_flow_spec *fsp =
2016                         (struct ethtool_rx_flow_spec *)&cmd->fs;
2017         struct i40e_fdir_filter *rule = NULL;
2018         struct hlist_node *node2;
2019
2020         hlist_for_each_entry_safe(rule, node2,
2021                                   &pf->fdir_filter_list, fdir_node) {
2022                 if (fsp->location <= rule->fd_id)
2023                         break;
2024         }
2025
2026         if (!rule || fsp->location != rule->fd_id)
2027                 return -EINVAL;
2028
2029         fsp->flow_type = rule->flow_type;
2030         if (fsp->flow_type == IP_USER_FLOW) {
2031                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2032                 fsp->h_u.usr_ip4_spec.proto = 0;
2033                 fsp->m_u.usr_ip4_spec.proto = 0;
2034         }
2035
2036         /* Reverse the src and dest notion, since the HW views them from
2037          * Tx perspective where as the user expects it from Rx filter view.
2038          */
2039         fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2040         fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
2041         fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
2042         fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
2043
2044         if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2045                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2046         else
2047                 fsp->ring_cookie = rule->q_index;
2048
2049         if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2050                 struct i40e_vsi *vsi;
2051
2052                 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2053                 if (vsi && vsi->type == I40E_VSI_SRIOV) {
2054                         fsp->h_ext.data[1] = htonl(vsi->vf_id);
2055                         fsp->m_ext.data[1] = htonl(0x1);
2056                 }
2057         }
2058
2059         return 0;
2060 }
2061
2062 /**
2063  * i40e_get_rxnfc - command to get RX flow classification rules
2064  * @netdev: network interface device structure
2065  * @cmd: ethtool rxnfc command
2066  *
2067  * Returns Success if the command is supported.
2068  **/
2069 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2070                           u32 *rule_locs)
2071 {
2072         struct i40e_netdev_priv *np = netdev_priv(netdev);
2073         struct i40e_vsi *vsi = np->vsi;
2074         struct i40e_pf *pf = vsi->back;
2075         int ret = -EOPNOTSUPP;
2076
2077         switch (cmd->cmd) {
2078         case ETHTOOL_GRXRINGS:
2079                 cmd->data = vsi->alloc_queue_pairs;
2080                 ret = 0;
2081                 break;
2082         case ETHTOOL_GRXFH:
2083                 ret = i40e_get_rss_hash_opts(pf, cmd);
2084                 break;
2085         case ETHTOOL_GRXCLSRLCNT:
2086                 cmd->rule_cnt = pf->fdir_pf_active_filters;
2087                 /* report total rule count */
2088                 cmd->data = i40e_get_fd_cnt_all(pf);
2089                 ret = 0;
2090                 break;
2091         case ETHTOOL_GRXCLSRULE:
2092                 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2093                 break;
2094         case ETHTOOL_GRXCLSRLALL:
2095                 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2096                 break;
2097         default:
2098                 break;
2099         }
2100
2101         return ret;
2102 }
2103
2104 /**
2105  * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2106  * @pf: pointer to the physical function struct
2107  * @cmd: ethtool rxnfc command
2108  *
2109  * Returns Success if the flow input set is supported.
2110  **/
2111 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2112 {
2113         struct i40e_hw *hw = &pf->hw;
2114         u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
2115                    ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
2116
2117         /* RSS does not support anything other than hashing
2118          * to queues on src and dst IPs and ports
2119          */
2120         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2121                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2122                 return -EINVAL;
2123
2124         /* We need at least the IP SRC and DEST fields for hashing */
2125         if (!(nfc->data & RXH_IP_SRC) ||
2126             !(nfc->data & RXH_IP_DST))
2127                 return -EINVAL;
2128
2129         switch (nfc->flow_type) {
2130         case TCP_V4_FLOW:
2131                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2132                 case 0:
2133                         hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2134                         break;
2135                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2136                         hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2137                         break;
2138                 default:
2139                         return -EINVAL;
2140                 }
2141                 break;
2142         case TCP_V6_FLOW:
2143                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2144                 case 0:
2145                         hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2146                         break;
2147                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2148                         hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2149                         break;
2150                 default:
2151                         return -EINVAL;
2152                 }
2153                 break;
2154         case UDP_V4_FLOW:
2155                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2156                 case 0:
2157                         hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2158                                   BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2159                         break;
2160                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2161                         hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2162                                  BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2163                         break;
2164                 default:
2165                         return -EINVAL;
2166                 }
2167                 break;
2168         case UDP_V6_FLOW:
2169                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2170                 case 0:
2171                         hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2172                                   BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2173                         break;
2174                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2175                         hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2176                                  BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2177                         break;
2178                 default:
2179                         return -EINVAL;
2180                 }
2181                 break;
2182         case AH_ESP_V4_FLOW:
2183         case AH_V4_FLOW:
2184         case ESP_V4_FLOW:
2185         case SCTP_V4_FLOW:
2186                 if ((nfc->data & RXH_L4_B_0_1) ||
2187                     (nfc->data & RXH_L4_B_2_3))
2188                         return -EINVAL;
2189                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2190                 break;
2191         case AH_ESP_V6_FLOW:
2192         case AH_V6_FLOW:
2193         case ESP_V6_FLOW:
2194         case SCTP_V6_FLOW:
2195                 if ((nfc->data & RXH_L4_B_0_1) ||
2196                     (nfc->data & RXH_L4_B_2_3))
2197                         return -EINVAL;
2198                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2199                 break;
2200         case IPV4_FLOW:
2201                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2202                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2203                 break;
2204         case IPV6_FLOW:
2205                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2206                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2207                 break;
2208         default:
2209                 return -EINVAL;
2210         }
2211
2212         wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
2213         wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2214         i40e_flush(hw);
2215
2216         /* Save setting for future output/update */
2217         pf->vsi[pf->lan_vsi]->rxnfc = *nfc;
2218
2219         return 0;
2220 }
2221
2222 /**
2223  * i40e_match_fdir_input_set - Match a new filter against an existing one
2224  * @rule: The filter already added
2225  * @input: The new filter to comapre against
2226  *
2227  * Returns true if the two input set match
2228  **/
2229 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2230                                       struct i40e_fdir_filter *input)
2231 {
2232         if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2233             (rule->src_ip[0] != input->src_ip[0]) ||
2234             (rule->dst_port != input->dst_port) ||
2235             (rule->src_port != input->src_port))
2236                 return false;
2237         return true;
2238 }
2239
2240 /**
2241  * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2242  * @vsi: Pointer to the targeted VSI
2243  * @input: The filter to update or NULL to indicate deletion
2244  * @sw_idx: Software index to the filter
2245  * @cmd: The command to get or set Rx flow classification rules
2246  *
2247  * This function updates (or deletes) a Flow Director entry from
2248  * the hlist of the corresponding PF
2249  *
2250  * Returns 0 on success
2251  **/
2252 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2253                                           struct i40e_fdir_filter *input,
2254                                           u16 sw_idx,
2255                                           struct ethtool_rxnfc *cmd)
2256 {
2257         struct i40e_fdir_filter *rule, *parent;
2258         struct i40e_pf *pf = vsi->back;
2259         struct hlist_node *node2;
2260         int err = -EINVAL;
2261
2262         parent = NULL;
2263         rule = NULL;
2264
2265         hlist_for_each_entry_safe(rule, node2,
2266                                   &pf->fdir_filter_list, fdir_node) {
2267                 /* hash found, or no matching entry */
2268                 if (rule->fd_id >= sw_idx)
2269                         break;
2270                 parent = rule;
2271         }
2272
2273         /* if there is an old rule occupying our place remove it */
2274         if (rule && (rule->fd_id == sw_idx)) {
2275                 if (input && !i40e_match_fdir_input_set(rule, input))
2276                         err = i40e_add_del_fdir(vsi, rule, false);
2277                 else if (!input)
2278                         err = i40e_add_del_fdir(vsi, rule, false);
2279                 hlist_del(&rule->fdir_node);
2280                 kfree(rule);
2281                 pf->fdir_pf_active_filters--;
2282         }
2283
2284         /* If no input this was a delete, err should be 0 if a rule was
2285          * successfully found and removed from the list else -EINVAL
2286          */
2287         if (!input)
2288                 return err;
2289
2290         /* initialize node and set software index */
2291         INIT_HLIST_NODE(&input->fdir_node);
2292
2293         /* add filter to the list */
2294         if (parent)
2295                 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2296         else
2297                 hlist_add_head(&input->fdir_node,
2298                                &pf->fdir_filter_list);
2299
2300         /* update counts */
2301         pf->fdir_pf_active_filters++;
2302
2303         return 0;
2304 }
2305
2306 /**
2307  * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2308  * @vsi: Pointer to the targeted VSI
2309  * @cmd: The command to get or set Rx flow classification rules
2310  *
2311  * The function removes a Flow Director filter entry from the
2312  * hlist of the corresponding PF
2313  *
2314  * Returns 0 on success
2315  */
2316 static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2317                                struct ethtool_rxnfc *cmd)
2318 {
2319         struct ethtool_rx_flow_spec *fsp =
2320                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2321         struct i40e_pf *pf = vsi->back;
2322         int ret = 0;
2323
2324         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2325             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2326                 return -EBUSY;
2327
2328         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2329                 return -EBUSY;
2330
2331         ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2332
2333         i40e_fdir_check_and_reenable(pf);
2334         return ret;
2335 }
2336
2337 /**
2338  * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2339  * @vsi: pointer to the targeted VSI
2340  * @cmd: command to get or set RX flow classification rules
2341  *
2342  * Add Flow Director filters for a specific flow spec based on their
2343  * protocol.  Returns 0 if the filters were successfully added.
2344  **/
2345 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2346                                  struct ethtool_rxnfc *cmd)
2347 {
2348         struct ethtool_rx_flow_spec *fsp;
2349         struct i40e_fdir_filter *input;
2350         struct i40e_pf *pf;
2351         int ret = -EINVAL;
2352         u16 vf_id;
2353
2354         if (!vsi)
2355                 return -EINVAL;
2356
2357         pf = vsi->back;
2358
2359         if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2360                 return -EOPNOTSUPP;
2361
2362         if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2363                 return -ENOSPC;
2364
2365         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2366             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2367                 return -EBUSY;
2368
2369         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2370                 return -EBUSY;
2371
2372         fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2373
2374         if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2375                               pf->hw.func_caps.fd_filters_guaranteed)) {
2376                 return -EINVAL;
2377         }
2378
2379         if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2380             (fsp->ring_cookie >= vsi->num_queue_pairs))
2381                 return -EINVAL;
2382
2383         input = kzalloc(sizeof(*input), GFP_KERNEL);
2384
2385         if (!input)
2386                 return -ENOMEM;
2387
2388         input->fd_id = fsp->location;
2389
2390         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2391                 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2392         else
2393                 input->dest_ctl =
2394                              I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2395
2396         input->q_index = fsp->ring_cookie;
2397         input->flex_off = 0;
2398         input->pctype = 0;
2399         input->dest_vsi = vsi->id;
2400         input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2401         input->cnt_index  = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2402         input->flow_type = fsp->flow_type;
2403         input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2404
2405         /* Reverse the src and dest notion, since the HW expects them to be from
2406          * Tx perspective where as the input from user is from Rx filter view.
2407          */
2408         input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2409         input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2410         input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2411         input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2412
2413         if (ntohl(fsp->m_ext.data[1])) {
2414                 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) {
2415                         netif_info(pf, drv, vsi->netdev, "Invalid VF id\n");
2416                         goto free_input;
2417                 }
2418                 vf_id = ntohl(fsp->h_ext.data[1]);
2419                 /* Find vsi id from vf id and override dest vsi */
2420                 input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2421                 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2422                         netif_info(pf, drv, vsi->netdev, "Invalid queue id\n");
2423                         goto free_input;
2424                 }
2425         }
2426
2427         ret = i40e_add_del_fdir(vsi, input, true);
2428 free_input:
2429         if (ret)
2430                 kfree(input);
2431         else
2432                 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2433
2434         return ret;
2435 }
2436
2437 /**
2438  * i40e_set_rxnfc - command to set RX flow classification rules
2439  * @netdev: network interface device structure
2440  * @cmd: ethtool rxnfc command
2441  *
2442  * Returns Success if the command is supported.
2443  **/
2444 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2445 {
2446         struct i40e_netdev_priv *np = netdev_priv(netdev);
2447         struct i40e_vsi *vsi = np->vsi;
2448         struct i40e_pf *pf = vsi->back;
2449         int ret = -EOPNOTSUPP;
2450
2451         switch (cmd->cmd) {
2452         case ETHTOOL_SRXFH:
2453                 ret = i40e_set_rss_hash_opt(pf, cmd);
2454                 break;
2455         case ETHTOOL_SRXCLSRLINS:
2456                 ret = i40e_add_fdir_ethtool(vsi, cmd);
2457                 break;
2458         case ETHTOOL_SRXCLSRLDEL:
2459                 ret = i40e_del_fdir_entry(vsi, cmd);
2460                 break;
2461         default:
2462                 break;
2463         }
2464
2465         return ret;
2466 }
2467
2468 /**
2469  * i40e_max_channels - get Max number of combined channels supported
2470  * @vsi: vsi pointer
2471  **/
2472 static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2473 {
2474         /* TODO: This code assumes DCB and FD is disabled for now. */
2475         return vsi->alloc_queue_pairs;
2476 }
2477
2478 /**
2479  * i40e_get_channels - Get the current channels enabled and max supported etc.
2480  * @netdev: network interface device structure
2481  * @ch: ethtool channels structure
2482  *
2483  * We don't support separate tx and rx queues as channels. The other count
2484  * represents how many queues are being used for control. max_combined counts
2485  * how many queue pairs we can support. They may not be mapped 1 to 1 with
2486  * q_vectors since we support a lot more queue pairs than q_vectors.
2487  **/
2488 static void i40e_get_channels(struct net_device *dev,
2489                                struct ethtool_channels *ch)
2490 {
2491         struct i40e_netdev_priv *np = netdev_priv(dev);
2492         struct i40e_vsi *vsi = np->vsi;
2493         struct i40e_pf *pf = vsi->back;
2494
2495         /* report maximum channels */
2496         ch->max_combined = i40e_max_channels(vsi);
2497
2498         /* report info for other vector */
2499         ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2500         ch->max_other = ch->other_count;
2501
2502         /* Note: This code assumes DCB is disabled for now. */
2503         ch->combined_count = vsi->num_queue_pairs;
2504 }
2505
2506 /**
2507  * i40e_set_channels - Set the new channels count.
2508  * @netdev: network interface device structure
2509  * @ch: ethtool channels structure
2510  *
2511  * The new channels count may not be the same as requested by the user
2512  * since it gets rounded down to a power of 2 value.
2513  **/
2514 static int i40e_set_channels(struct net_device *dev,
2515                               struct ethtool_channels *ch)
2516 {
2517         struct i40e_netdev_priv *np = netdev_priv(dev);
2518         unsigned int count = ch->combined_count;
2519         struct i40e_vsi *vsi = np->vsi;
2520         struct i40e_pf *pf = vsi->back;
2521         int new_count;
2522
2523         /* We do not support setting channels for any other VSI at present */
2524         if (vsi->type != I40E_VSI_MAIN)
2525                 return -EINVAL;
2526
2527         /* verify they are not requesting separate vectors */
2528         if (!count || ch->rx_count || ch->tx_count)
2529                 return -EINVAL;
2530
2531         /* verify other_count has not changed */
2532         if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2533                 return -EINVAL;
2534
2535         /* verify the number of channels does not exceed hardware limits */
2536         if (count > i40e_max_channels(vsi))
2537                 return -EINVAL;
2538
2539         /* update feature limits from largest to smallest supported values */
2540         /* TODO: Flow director limit, DCB etc */
2541
2542         /* use rss_reconfig to rebuild with new queue count and update traffic
2543          * class queue mapping
2544          */
2545         new_count = i40e_reconfig_rss_queues(pf, count);
2546         if (new_count > 0)
2547                 return 0;
2548         else
2549                 return -EINVAL;
2550 }
2551
2552 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
2553 /**
2554  * i40e_get_rxfh_key_size - get the RSS hash key size
2555  * @netdev: network interface device structure
2556  *
2557  * Returns the table size.
2558  **/
2559 static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2560 {
2561         return I40E_HKEY_ARRAY_SIZE;
2562 }
2563
2564 /**
2565  * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2566  * @netdev: network interface device structure
2567  *
2568  * Returns the table size.
2569  **/
2570 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2571 {
2572         return I40E_HLUT_ARRAY_SIZE;
2573 }
2574
2575 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2576                          u8 *hfunc)
2577 {
2578         struct i40e_netdev_priv *np = netdev_priv(netdev);
2579         struct i40e_vsi *vsi = np->vsi;
2580         struct i40e_pf *pf = vsi->back;
2581         struct i40e_hw *hw = &pf->hw;
2582         u32 reg_val;
2583         int i, j;
2584
2585         if (hfunc)
2586                 *hfunc = ETH_RSS_HASH_TOP;
2587
2588         if (!indir)
2589                 return 0;
2590
2591         for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2592                 reg_val = rd32(hw, I40E_PFQF_HLUT(i));
2593                 indir[j++] = reg_val & 0xff;
2594                 indir[j++] = (reg_val >> 8) & 0xff;
2595                 indir[j++] = (reg_val >> 16) & 0xff;
2596                 indir[j++] = (reg_val >> 24) & 0xff;
2597         }
2598
2599         if (key) {
2600                 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2601                         reg_val = rd32(hw, I40E_PFQF_HKEY(i));
2602                         key[j++] = (u8)(reg_val & 0xff);
2603                         key[j++] = (u8)((reg_val >> 8) & 0xff);
2604                         key[j++] = (u8)((reg_val >> 16) & 0xff);
2605                         key[j++] = (u8)((reg_val >> 24) & 0xff);
2606                 }
2607         }
2608         return 0;
2609 }
2610
2611 /**
2612  * i40e_set_rxfh - set the rx flow hash indirection table
2613  * @netdev: network interface device structure
2614  * @indir: indirection table
2615  * @key: hash key
2616  *
2617  * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2618  * returns 0 after programming the table.
2619  **/
2620 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2621                          const u8 *key, const u8 hfunc)
2622 {
2623         struct i40e_netdev_priv *np = netdev_priv(netdev);
2624         struct i40e_vsi *vsi = np->vsi;
2625         struct i40e_pf *pf = vsi->back;
2626         struct i40e_hw *hw = &pf->hw;
2627         u32 reg_val;
2628         int i, j;
2629
2630         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
2631                 return -EOPNOTSUPP;
2632
2633         if (!indir)
2634                 return 0;
2635
2636         for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2637                 reg_val = indir[j++];
2638                 reg_val |= indir[j++] << 8;
2639                 reg_val |= indir[j++] << 16;
2640                 reg_val |= indir[j++] << 24;
2641                 wr32(hw, I40E_PFQF_HLUT(i), reg_val);
2642         }
2643
2644         if (key) {
2645                 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2646                         reg_val = key[j++];
2647                         reg_val |= key[j++] << 8;
2648                         reg_val |= key[j++] << 16;
2649                         reg_val |= key[j++] << 24;
2650                         wr32(hw, I40E_PFQF_HKEY(i), reg_val);
2651                 }
2652         }
2653         return 0;
2654 }
2655
2656 /**
2657  * i40e_get_priv_flags - report device private flags
2658  * @dev: network interface device structure
2659  *
2660  * The get string set count and the string set should be matched for each
2661  * flag returned.  Add new strings for each flag to the i40e_priv_flags_strings
2662  * array.
2663  *
2664  * Returns a u32 bitmap of flags.
2665  **/
2666 static u32 i40e_get_priv_flags(struct net_device *dev)
2667 {
2668         struct i40e_netdev_priv *np = netdev_priv(dev);
2669         struct i40e_vsi *vsi = np->vsi;
2670         struct i40e_pf *pf = vsi->back;
2671         u32 ret_flags = 0;
2672
2673         ret_flags |= pf->hw.func_caps.npar_enable ?
2674                 I40E_PRIV_FLAGS_NPAR_FLAG : 0;
2675         ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ?
2676                 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0;
2677         ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ?
2678                 I40E_PRIV_FLAGS_FD_ATR : 0;
2679
2680         return ret_flags;
2681 }
2682
2683 /**
2684  * i40e_set_priv_flags - set private flags
2685  * @dev: network interface device structure
2686  * @flags: bit flags to be set
2687  **/
2688 static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
2689 {
2690         struct i40e_netdev_priv *np = netdev_priv(dev);
2691         struct i40e_vsi *vsi = np->vsi;
2692         struct i40e_pf *pf = vsi->back;
2693
2694         if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
2695                 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
2696         else
2697                 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;
2698
2699         /* allow the user to control the state of the Flow
2700          * Director ATR (Application Targeted Routing) feature
2701          * of the driver
2702          */
2703         if (flags & I40E_PRIV_FLAGS_FD_ATR) {
2704                 pf->flags |= I40E_FLAG_FD_ATR_ENABLED;
2705         } else {
2706                 pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED;
2707                 pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED;
2708         }
2709
2710         return 0;
2711 }
2712
2713 static const struct ethtool_ops i40e_ethtool_ops = {
2714         .get_settings           = i40e_get_settings,
2715         .set_settings           = i40e_set_settings,
2716         .get_drvinfo            = i40e_get_drvinfo,
2717         .get_regs_len           = i40e_get_regs_len,
2718         .get_regs               = i40e_get_regs,
2719         .nway_reset             = i40e_nway_reset,
2720         .get_link               = ethtool_op_get_link,
2721         .get_wol                = i40e_get_wol,
2722         .set_wol                = i40e_set_wol,
2723         .set_eeprom             = i40e_set_eeprom,
2724         .get_eeprom_len         = i40e_get_eeprom_len,
2725         .get_eeprom             = i40e_get_eeprom,
2726         .get_ringparam          = i40e_get_ringparam,
2727         .set_ringparam          = i40e_set_ringparam,
2728         .get_pauseparam         = i40e_get_pauseparam,
2729         .set_pauseparam         = i40e_set_pauseparam,
2730         .get_msglevel           = i40e_get_msglevel,
2731         .set_msglevel           = i40e_set_msglevel,
2732         .get_rxnfc              = i40e_get_rxnfc,
2733         .set_rxnfc              = i40e_set_rxnfc,
2734         .self_test              = i40e_diag_test,
2735         .get_strings            = i40e_get_strings,
2736         .set_phys_id            = i40e_set_phys_id,
2737         .get_sset_count         = i40e_get_sset_count,
2738         .get_ethtool_stats      = i40e_get_ethtool_stats,
2739         .get_coalesce           = i40e_get_coalesce,
2740         .set_coalesce           = i40e_set_coalesce,
2741         .get_rxfh_key_size      = i40e_get_rxfh_key_size,
2742         .get_rxfh_indir_size    = i40e_get_rxfh_indir_size,
2743         .get_rxfh               = i40e_get_rxfh,
2744         .set_rxfh               = i40e_set_rxfh,
2745         .get_channels           = i40e_get_channels,
2746         .set_channels           = i40e_set_channels,
2747         .get_ts_info            = i40e_get_ts_info,
2748         .get_priv_flags         = i40e_get_priv_flags,
2749         .set_priv_flags         = i40e_set_priv_flags,
2750 };
2751
2752 void i40e_set_ethtool_ops(struct net_device *netdev)
2753 {
2754         netdev->ethtool_ops = &i40e_ethtool_ops;
2755 }