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

   1 /*******************************************************************************
   2  *
   3  * Intel Ethernet Controller XL710 Family Linux Driver
   4  * Copyright(c) 2013 - 2016 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         I40E_VSI_STAT("tx_force_wb", tx_force_wb),
  92         I40E_VSI_STAT("tx_lost_interrupt", tx_lost_interrupt),
  93         I40E_VSI_STAT("rx_alloc_fail", rx_buf_failed),
  94         I40E_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
  95 };
  96
  97 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
  98  * but they are separate.  This device supports Virtualization, and
  99  * as such might have several netdevs supporting VMDq and FCoE going
 100  * through a single port.  The NETDEV_STATs are for individual netdevs
 101  * seen at the top of the stack, and the PF_STATs are for the physical
 102  * function at the bottom of the stack hosting those netdevs.
 103  *
 104  * The PF_STATs are appended to the netdev stats only when ethtool -S
 105  * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
 106  */
 107 static const struct i40e_stats i40e_gstrings_stats[] = {
 108         I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
 109         I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
 110         I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
 111         I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
 112         I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
 113         I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
 114         I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
 115         I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
 116         I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
 117         I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
 118         I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
 119         I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
 120         I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
 121         I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
 122         I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
 123         I40E_PF_STAT("tx_timeout", tx_timeout_count),
 124         I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
 125         I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
 126         I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
 127         I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
 128         I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
 129         I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
 130         I40E_PF_STAT("rx_size_64", stats.rx_size_64),
 131         I40E_PF_STAT("rx_size_127", stats.rx_size_127),
 132         I40E_PF_STAT("rx_size_255", stats.rx_size_255),
 133         I40E_PF_STAT("rx_size_511", stats.rx_size_511),
 134         I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
 135         I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
 136         I40E_PF_STAT("rx_size_big", stats.rx_size_big),
 137         I40E_PF_STAT("tx_size_64", stats.tx_size_64),
 138         I40E_PF_STAT("tx_size_127", stats.tx_size_127),
 139         I40E_PF_STAT("tx_size_255", stats.tx_size_255),
 140         I40E_PF_STAT("tx_size_511", stats.tx_size_511),
 141         I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
 142         I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
 143         I40E_PF_STAT("tx_size_big", stats.tx_size_big),
 144         I40E_PF_STAT("rx_undersize", stats.rx_undersize),
 145         I40E_PF_STAT("rx_fragments", stats.rx_fragments),
 146         I40E_PF_STAT("rx_oversize", stats.rx_oversize),
 147         I40E_PF_STAT("rx_jabber", stats.rx_jabber),
 148         I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
 149         I40E_PF_STAT("arq_overflows", arq_overflows),
 150         I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
 151         I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
 152         I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
 153         I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
 154         I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
 155         I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
 156         I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
 157
 158         /* LPI stats */
 159         I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
 160         I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
 161         I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
 162         I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
 163 };
 164
 165 #ifdef I40E_FCOE
 166 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
 167         I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
 168         I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
 169         I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
 170         I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
 171         I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
 172         I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
 173         I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
 174         I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
 175 };
 176
 177 #endif /* I40E_FCOE */
 178 #define I40E_QUEUE_STATS_LEN(n) \
 179         (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
 180             * 2 /* Tx and Rx together */                                     \
 181             * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
 182 #define I40E_GLOBAL_STATS_LEN   ARRAY_SIZE(i40e_gstrings_stats)
 183 #define I40E_NETDEV_STATS_LEN   ARRAY_SIZE(i40e_gstrings_net_stats)
 184 #define I40E_MISC_STATS_LEN     ARRAY_SIZE(i40e_gstrings_misc_stats)
 185 #ifdef I40E_FCOE
 186 #define I40E_FCOE_STATS_LEN     ARRAY_SIZE(i40e_gstrings_fcoe_stats)
 187 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 188                                  I40E_FCOE_STATS_LEN + \
 189                                  I40E_MISC_STATS_LEN + \
 190                                  I40E_QUEUE_STATS_LEN((n)))
 191 #else
 192 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 193                                  I40E_MISC_STATS_LEN + \
 194                                  I40E_QUEUE_STATS_LEN((n)))
 195 #endif /* I40E_FCOE */
 196 #define I40E_PFC_STATS_LEN ( \
 197                 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
 198                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
 199                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
 200                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
 201                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
 202                  / sizeof(u64))
 203 #define I40E_VEB_TC_STATS_LEN ( \
 204                 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
 205                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
 206                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
 207                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
 208                  / sizeof(u64))
 209 #define I40E_VEB_STATS_LEN      ARRAY_SIZE(i40e_gstrings_veb_stats)
 210 #define I40E_VEB_STATS_TOTAL    (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
 211 #define I40E_PF_STATS_LEN(n)    (I40E_GLOBAL_STATS_LEN + \
 212                                  I40E_PFC_STATS_LEN + \
 213                                  I40E_VSI_STATS_LEN((n)))
 214
 215 enum i40e_ethtool_test_id {
 216         I40E_ETH_TEST_REG = 0,
 217         I40E_ETH_TEST_EEPROM,
 218         I40E_ETH_TEST_INTR,
 219         I40E_ETH_TEST_LINK,
 220 };
 221
 222 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
 223         "Register test  (offline)",
 224         "Eeprom test    (offline)",
 225         "Interrupt test (offline)",
 226         "Link test   (on/offline)"
 227 };
 228
 229 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
 230
 231 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
 232         "MFP",
 233         "LinkPolling",
 234         "flow-director-atr",
 235         "veb-stats",
 236         "hw-atr-eviction",
 237 };
 238
 239 #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings)
 240
 241 /* Private flags with a global effect, restricted to PF 0 */
 242 static const char i40e_gl_priv_flags_strings[][ETH_GSTRING_LEN] = {
 243         "vf-true-promisc-support",
 244 };
 245
 246 #define I40E_GL_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_gl_priv_flags_strings)
 247
 248 /**
 249  * i40e_partition_setting_complaint - generic complaint for MFP restriction
 250  * @pf: the PF struct
 251  **/
 252 static void i40e_partition_setting_complaint(struct i40e_pf *pf)
 253 {
 254         dev_info(&pf->pdev->dev,
 255                  "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");
 256 }
 257
 258 /**
 259  * i40e_phy_type_to_ethtool - convert the phy_types to ethtool link modes
 260  * @phy_types: PHY types to convert
 261  * @supported: pointer to the ethtool supported variable to fill in
 262  * @advertising: pointer to the ethtool advertising variable to fill in
 263  *
 264  **/
 265 static void i40e_phy_type_to_ethtool(struct i40e_pf *pf, u32 *supported,
 266                                      u32 *advertising)
 267 {
 268         enum i40e_aq_capabilities_phy_type phy_types = pf->hw.phy.phy_types;
 269         struct i40e_link_status *hw_link_info = &pf->hw.phy.link_info;
 270         *supported = 0x0;
 271         *advertising = 0x0;
 272
 273         if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
 274                 *supported |= SUPPORTED_Autoneg |
 275                               SUPPORTED_1000baseT_Full;
 276                 *advertising |= ADVERTISED_Autoneg;
 277                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 278                         *advertising |= ADVERTISED_1000baseT_Full;
 279                 if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
 280                         *supported |= SUPPORTED_100baseT_Full;
 281                         *advertising |= ADVERTISED_100baseT_Full;
 282                 }
 283         }
 284         if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
 285             phy_types & I40E_CAP_PHY_TYPE_XFI ||
 286             phy_types & I40E_CAP_PHY_TYPE_SFI ||
 287             phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
 288             phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC)
 289                 *supported |= SUPPORTED_10000baseT_Full;
 290         if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
 291             phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
 292             phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
 293             phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
 294             phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
 295                 *supported |= SUPPORTED_Autoneg |
 296                               SUPPORTED_10000baseT_Full;
 297                 *advertising |= ADVERTISED_Autoneg;
 298                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 299                         *advertising |= ADVERTISED_10000baseT_Full;
 300         }
 301         if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
 302             phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
 303             phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
 304                 *supported |= SUPPORTED_40000baseCR4_Full;
 305         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
 306             phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
 307                 *supported |= SUPPORTED_Autoneg |
 308                               SUPPORTED_40000baseCR4_Full;
 309                 *advertising |= ADVERTISED_Autoneg;
 310                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_40GB)
 311                         *advertising |= ADVERTISED_40000baseCR4_Full;
 312         }
 313         if (phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) {
 314                 *supported |= SUPPORTED_Autoneg |
 315                               SUPPORTED_100baseT_Full;
 316                 *advertising |= ADVERTISED_Autoneg;
 317                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 318                         *advertising |= ADVERTISED_100baseT_Full;
 319         }
 320         if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
 321             phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
 322             phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
 323             phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
 324                 *supported |= SUPPORTED_Autoneg |
 325                               SUPPORTED_1000baseT_Full;
 326                 *advertising |= ADVERTISED_Autoneg;
 327                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 328                         *advertising |= ADVERTISED_1000baseT_Full;
 329         }
 330         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
 331                 *supported |= SUPPORTED_40000baseSR4_Full;
 332         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
 333                 *supported |= SUPPORTED_40000baseLR4_Full;
 334         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
 335                 *supported |= SUPPORTED_40000baseKR4_Full |
 336                               SUPPORTED_Autoneg;
 337                 *advertising |= ADVERTISED_40000baseKR4_Full |
 338                                 ADVERTISED_Autoneg;
 339         }
 340         if (phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
 341                 *supported |= SUPPORTED_20000baseKR2_Full |
 342                               SUPPORTED_Autoneg;
 343                 *advertising |= ADVERTISED_Autoneg;
 344                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_20GB)
 345                         *advertising |= ADVERTISED_20000baseKR2_Full;
 346         }
 347         if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
 348                 if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
 349                         *supported |= SUPPORTED_10000baseKR_Full |
 350                                       SUPPORTED_Autoneg;
 351                 *advertising |= ADVERTISED_Autoneg;
 352                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 353                         if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
 354                                 *advertising |= ADVERTISED_10000baseKR_Full;
 355         }
 356         if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
 357                 *supported |= SUPPORTED_10000baseKX4_Full |
 358                               SUPPORTED_Autoneg;
 359                 *advertising |= ADVERTISED_Autoneg;
 360                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 361                         *advertising |= ADVERTISED_10000baseKX4_Full;
 362         }
 363         if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
 364                 if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
 365                         *supported |= SUPPORTED_1000baseKX_Full |
 366                                       SUPPORTED_Autoneg;
 367                 *advertising |= ADVERTISED_Autoneg;
 368                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 369                         if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
 370                                 *advertising |= ADVERTISED_1000baseKX_Full;
 371         }
 372 }
 373
 374 /**
 375  * i40e_get_settings_link_up - Get the Link settings for when link is up
 376  * @hw: hw structure
 377  * @ecmd: ethtool command to fill in
 378  * @netdev: network interface device structure
 379  *
 380  **/
 381 static void i40e_get_settings_link_up(struct i40e_hw *hw,
 382                                       struct ethtool_cmd *ecmd,
 383                                       struct net_device *netdev,
 384                                       struct i40e_pf *pf)
 385 {
 386         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 387         u32 link_speed = hw_link_info->link_speed;
 388         u32 e_advertising = 0x0;
 389         u32 e_supported = 0x0;
 390
 391         /* Initialize supported and advertised settings based on phy settings */
 392         switch (hw_link_info->phy_type) {
 393         case I40E_PHY_TYPE_40GBASE_CR4:
 394         case I40E_PHY_TYPE_40GBASE_CR4_CU:
 395                 ecmd->supported = SUPPORTED_Autoneg |
 396                                   SUPPORTED_40000baseCR4_Full;
 397                 ecmd->advertising = ADVERTISED_Autoneg |
 398                                     ADVERTISED_40000baseCR4_Full;
 399                 break;
 400         case I40E_PHY_TYPE_XLAUI:
 401         case I40E_PHY_TYPE_XLPPI:
 402         case I40E_PHY_TYPE_40GBASE_AOC:
 403                 ecmd->supported = SUPPORTED_40000baseCR4_Full;
 404                 break;
 405         case I40E_PHY_TYPE_40GBASE_SR4:
 406                 ecmd->supported = SUPPORTED_40000baseSR4_Full;
 407                 break;
 408         case I40E_PHY_TYPE_40GBASE_LR4:
 409                 ecmd->supported = SUPPORTED_40000baseLR4_Full;
 410                 break;
 411         case I40E_PHY_TYPE_10GBASE_SR:
 412         case I40E_PHY_TYPE_10GBASE_LR:
 413         case I40E_PHY_TYPE_1000BASE_SX:
 414         case I40E_PHY_TYPE_1000BASE_LX:
 415                 ecmd->supported = SUPPORTED_10000baseT_Full;
 416                 if (hw_link_info->module_type[2] &
 417                     I40E_MODULE_TYPE_1000BASE_SX ||
 418                     hw_link_info->module_type[2] &
 419                     I40E_MODULE_TYPE_1000BASE_LX) {
 420                         ecmd->supported |= SUPPORTED_1000baseT_Full;
 421                         if (hw_link_info->requested_speeds &
 422                             I40E_LINK_SPEED_1GB)
 423                                 ecmd->advertising |= ADVERTISED_1000baseT_Full;
 424                 }
 425                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 426                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 427                 break;
 428         case I40E_PHY_TYPE_10GBASE_T:
 429         case I40E_PHY_TYPE_1000BASE_T:
 430         case I40E_PHY_TYPE_100BASE_TX:
 431                 ecmd->supported = SUPPORTED_Autoneg |
 432                                   SUPPORTED_10000baseT_Full |
 433                                   SUPPORTED_1000baseT_Full |
 434                                   SUPPORTED_100baseT_Full;
 435                 ecmd->advertising = ADVERTISED_Autoneg;
 436                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 437                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 438                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 439                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 440                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 441                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 442                 break;
 443         case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
 444                 ecmd->supported = SUPPORTED_Autoneg |
 445                                   SUPPORTED_1000baseT_Full;
 446                 ecmd->advertising = ADVERTISED_Autoneg |
 447                                     ADVERTISED_1000baseT_Full;
 448                 break;
 449         case I40E_PHY_TYPE_10GBASE_CR1_CU:
 450         case I40E_PHY_TYPE_10GBASE_CR1:
 451                 ecmd->supported = SUPPORTED_Autoneg |
 452                                   SUPPORTED_10000baseT_Full;
 453                 ecmd->advertising = ADVERTISED_Autoneg |
 454                                     ADVERTISED_10000baseT_Full;
 455                 break;
 456         case I40E_PHY_TYPE_XAUI:
 457         case I40E_PHY_TYPE_XFI:
 458         case I40E_PHY_TYPE_SFI:
 459         case I40E_PHY_TYPE_10GBASE_SFPP_CU:
 460         case I40E_PHY_TYPE_10GBASE_AOC:
 461                 ecmd->supported = SUPPORTED_10000baseT_Full;
 462                 ecmd->advertising = SUPPORTED_10000baseT_Full;
 463                 break;
 464         case I40E_PHY_TYPE_SGMII:
 465                 ecmd->supported = SUPPORTED_Autoneg |
 466                                   SUPPORTED_1000baseT_Full;
 467                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 468                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 469                 if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
 470                         ecmd->supported |= SUPPORTED_100baseT_Full;
 471                         if (hw_link_info->requested_speeds &
 472                             I40E_LINK_SPEED_100MB)
 473                                 ecmd->advertising |= ADVERTISED_100baseT_Full;
 474                 }
 475                 break;
 476         case I40E_PHY_TYPE_40GBASE_KR4:
 477         case I40E_PHY_TYPE_20GBASE_KR2:
 478         case I40E_PHY_TYPE_10GBASE_KR:
 479         case I40E_PHY_TYPE_10GBASE_KX4:
 480         case I40E_PHY_TYPE_1000BASE_KX:
 481                 ecmd->supported |= SUPPORTED_40000baseKR4_Full |
 482                                    SUPPORTED_20000baseKR2_Full |
 483                                    SUPPORTED_10000baseKR_Full |
 484                                    SUPPORTED_10000baseKX4_Full |
 485                                    SUPPORTED_1000baseKX_Full |
 486                                    SUPPORTED_Autoneg;
 487                 ecmd->advertising |= ADVERTISED_40000baseKR4_Full |
 488                                      ADVERTISED_20000baseKR2_Full |
 489                                      ADVERTISED_10000baseKR_Full |
 490                                      ADVERTISED_10000baseKX4_Full |
 491                                      ADVERTISED_1000baseKX_Full |
 492                                      ADVERTISED_Autoneg;
 493                 break;
 494         default:
 495                 /* if we got here and link is up something bad is afoot */
 496                 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
 497                             hw_link_info->phy_type);
 498         }
 499
 500         /* Now that we've worked out everything that could be supported by the
 501          * current PHY type, get what is supported by the NVM and them to
 502          * get what is truly supported
 503          */
 504         i40e_phy_type_to_ethtool(pf, &e_supported,
 505                                  &e_advertising);
 506
 507         ecmd->supported = ecmd->supported & e_supported;
 508         ecmd->advertising = ecmd->advertising & e_advertising;
 509
 510         /* Set speed and duplex */
 511         switch (link_speed) {
 512         case I40E_LINK_SPEED_40GB:
 513                 ethtool_cmd_speed_set(ecmd, SPEED_40000);
 514                 break;
 515         case I40E_LINK_SPEED_20GB:
 516                 ethtool_cmd_speed_set(ecmd, SPEED_20000);
 517                 break;
 518         case I40E_LINK_SPEED_10GB:
 519                 ethtool_cmd_speed_set(ecmd, SPEED_10000);
 520                 break;
 521         case I40E_LINK_SPEED_1GB:
 522                 ethtool_cmd_speed_set(ecmd, SPEED_1000);
 523                 break;
 524         case I40E_LINK_SPEED_100MB:
 525                 ethtool_cmd_speed_set(ecmd, SPEED_100);
 526                 break;
 527         default:
 528                 break;
 529         }
 530         ecmd->duplex = DUPLEX_FULL;
 531 }
 532
 533 /**
 534  * i40e_get_settings_link_down - Get the Link settings for when link is down
 535  * @hw: hw structure
 536  * @ecmd: ethtool command to fill in
 537  *
 538  * Reports link settings that can be determined when link is down
 539  **/
 540 static void i40e_get_settings_link_down(struct i40e_hw *hw,
 541                                         struct ethtool_cmd *ecmd,
 542                                         struct i40e_pf *pf)
 543 {
 544         /* link is down and the driver needs to fall back on
 545          * supported phy types to figure out what info to display
 546          */
 547         i40e_phy_type_to_ethtool(pf, &ecmd->supported,
 548                                  &ecmd->advertising);
 549
 550         /* With no link speed and duplex are unknown */
 551         ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
 552         ecmd->duplex = DUPLEX_UNKNOWN;
 553 }
 554
 555 /**
 556  * i40e_get_settings - Get Link Speed and Duplex settings
 557  * @netdev: network interface device structure
 558  * @ecmd: ethtool command
 559  *
 560  * Reports speed/duplex settings based on media_type
 561  **/
 562 static int i40e_get_settings(struct net_device *netdev,
 563                              struct ethtool_cmd *ecmd)
 564 {
 565         struct i40e_netdev_priv *np = netdev_priv(netdev);
 566         struct i40e_pf *pf = np->vsi->back;
 567         struct i40e_hw *hw = &pf->hw;
 568         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 569         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 570
 571         if (link_up)
 572                 i40e_get_settings_link_up(hw, ecmd, netdev, pf);
 573         else
 574                 i40e_get_settings_link_down(hw, ecmd, pf);
 575
 576         /* Now set the settings that don't rely on link being up/down */
 577         /* Set autoneg settings */
 578         ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 579                           AUTONEG_ENABLE : AUTONEG_DISABLE);
 580
 581         switch (hw->phy.media_type) {
 582         case I40E_MEDIA_TYPE_BACKPLANE:
 583                 ecmd->supported |= SUPPORTED_Autoneg |
 584                                    SUPPORTED_Backplane;
 585                 ecmd->advertising |= ADVERTISED_Autoneg |
 586                                      ADVERTISED_Backplane;
 587                 ecmd->port = PORT_NONE;
 588                 break;
 589         case I40E_MEDIA_TYPE_BASET:
 590                 ecmd->supported |= SUPPORTED_TP;
 591                 ecmd->advertising |= ADVERTISED_TP;
 592                 ecmd->port = PORT_TP;
 593                 break;
 594         case I40E_MEDIA_TYPE_DA:
 595         case I40E_MEDIA_TYPE_CX4:
 596                 ecmd->supported |= SUPPORTED_FIBRE;
 597                 ecmd->advertising |= ADVERTISED_FIBRE;
 598                 ecmd->port = PORT_DA;
 599                 break;
 600         case I40E_MEDIA_TYPE_FIBER:
 601                 ecmd->supported |= SUPPORTED_FIBRE;
 602                 ecmd->port = PORT_FIBRE;
 603                 break;
 604         case I40E_MEDIA_TYPE_UNKNOWN:
 605         default:
 606                 ecmd->port = PORT_OTHER;
 607                 break;
 608         }
 609
 610         /* Set transceiver */
 611         ecmd->transceiver = XCVR_EXTERNAL;
 612
 613         /* Set flow control settings */
 614         ecmd->supported |= SUPPORTED_Pause;
 615
 616         switch (hw->fc.requested_mode) {
 617         case I40E_FC_FULL:
 618                 ecmd->advertising |= ADVERTISED_Pause;
 619                 break;
 620         case I40E_FC_TX_PAUSE:
 621                 ecmd->advertising |= ADVERTISED_Asym_Pause;
 622                 break;
 623         case I40E_FC_RX_PAUSE:
 624                 ecmd->advertising |= (ADVERTISED_Pause |
 625                                       ADVERTISED_Asym_Pause);
 626                 break;
 627         default:
 628                 ecmd->advertising &= ~(ADVERTISED_Pause |
 629                                        ADVERTISED_Asym_Pause);
 630                 break;
 631         }
 632
 633         return 0;
 634 }
 635
 636 /**
 637  * i40e_set_settings - Set Speed and Duplex
 638  * @netdev: network interface device structure
 639  * @ecmd: ethtool command
 640  *
 641  * Set speed/duplex per media_types advertised/forced
 642  **/
 643 static int i40e_set_settings(struct net_device *netdev,
 644                              struct ethtool_cmd *ecmd)
 645 {
 646         struct i40e_netdev_priv *np = netdev_priv(netdev);
 647         struct i40e_aq_get_phy_abilities_resp abilities;
 648         struct i40e_aq_set_phy_config config;
 649         struct i40e_pf *pf = np->vsi->back;
 650         struct i40e_vsi *vsi = np->vsi;
 651         struct i40e_hw *hw = &pf->hw;
 652         struct ethtool_cmd safe_ecmd;
 653         i40e_status status = 0;
 654         bool change = false;
 655         int err = 0;
 656         u8 autoneg;
 657         u32 advertise;
 658
 659         /* Changing port settings is not supported if this isn't the
 660          * port's controlling PF
 661          */
 662         if (hw->partition_id != 1) {
 663                 i40e_partition_setting_complaint(pf);
 664                 return -EOPNOTSUPP;
 665         }
 666
 667         if (vsi != pf->vsi[pf->lan_vsi])
 668                 return -EOPNOTSUPP;
 669
 670         if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
 671             hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
 672             hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
 673             hw->phy.media_type != I40E_MEDIA_TYPE_DA &&
 674             hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
 675                 return -EOPNOTSUPP;
 676
 677         if (hw->device_id == I40E_DEV_ID_KX_B ||
 678             hw->device_id == I40E_DEV_ID_KX_C ||
 679             hw->device_id == I40E_DEV_ID_20G_KR2 ||
 680             hw->device_id == I40E_DEV_ID_20G_KR2_A) {
 681                 netdev_info(netdev, "Changing settings is not supported on backplane.\n");
 682                 return -EOPNOTSUPP;
 683         }
 684
 685         /* get our own copy of the bits to check against */
 686         memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
 687         i40e_get_settings(netdev, &safe_ecmd);
 688
 689         /* save autoneg and speed out of ecmd */
 690         autoneg = ecmd->autoneg;
 691         advertise = ecmd->advertising;
 692
 693         /* set autoneg and speed back to what they currently are */
 694         ecmd->autoneg = safe_ecmd.autoneg;
 695         ecmd->advertising = safe_ecmd.advertising;
 696
 697         ecmd->cmd = safe_ecmd.cmd;
 698         /* If ecmd and safe_ecmd are not the same now, then they are
 699          * trying to set something that we do not support
 700          */
 701         if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
 702                 return -EOPNOTSUPP;
 703
 704         while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
 705                 usleep_range(1000, 2000);
 706
 707         /* Get the current phy config */
 708         status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
 709                                               NULL);
 710         if (status)
 711                 return -EAGAIN;
 712
 713         /* Copy abilities to config in case autoneg is not
 714          * set below
 715          */
 716         memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
 717         config.abilities = abilities.abilities;
 718
 719         /* Check autoneg */
 720         if (autoneg == AUTONEG_ENABLE) {
 721                 /* If autoneg was not already enabled */
 722                 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
 723                         /* If autoneg is not supported, return error */
 724                         if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
 725                                 netdev_info(netdev, "Autoneg not supported on this phy\n");
 726                                 return -EINVAL;
 727                         }
 728                         /* Autoneg is allowed to change */
 729                         config.abilities = abilities.abilities |
 730                                            I40E_AQ_PHY_ENABLE_AN;
 731                         change = true;
 732                 }
 733         } else {
 734                 /* If autoneg is currently enabled */
 735                 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
 736                         /* If autoneg is supported 10GBASE_T is the only PHY
 737                          * that can disable it, so otherwise return error
 738                          */
 739                         if (safe_ecmd.supported & SUPPORTED_Autoneg &&
 740                             hw->phy.link_info.phy_type !=
 741                             I40E_PHY_TYPE_10GBASE_T) {
 742                                 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
 743                                 return -EINVAL;
 744                         }
 745                         /* Autoneg is allowed to change */
 746                         config.abilities = abilities.abilities &
 747                                            ~I40E_AQ_PHY_ENABLE_AN;
 748                         change = true;
 749                 }
 750         }
 751
 752         if (advertise & ~safe_ecmd.supported)
 753                 return -EINVAL;
 754
 755         if (advertise & ADVERTISED_100baseT_Full)
 756                 config.link_speed |= I40E_LINK_SPEED_100MB;
 757         if (advertise & ADVERTISED_1000baseT_Full ||
 758             advertise & ADVERTISED_1000baseKX_Full)
 759                 config.link_speed |= I40E_LINK_SPEED_1GB;
 760         if (advertise & ADVERTISED_10000baseT_Full ||
 761             advertise & ADVERTISED_10000baseKX4_Full ||
 762             advertise & ADVERTISED_10000baseKR_Full)
 763                 config.link_speed |= I40E_LINK_SPEED_10GB;
 764         if (advertise & ADVERTISED_20000baseKR2_Full)
 765                 config.link_speed |= I40E_LINK_SPEED_20GB;
 766         if (advertise & ADVERTISED_40000baseKR4_Full ||
 767             advertise & ADVERTISED_40000baseCR4_Full ||
 768             advertise & ADVERTISED_40000baseSR4_Full ||
 769             advertise & ADVERTISED_40000baseLR4_Full)
 770                 config.link_speed |= I40E_LINK_SPEED_40GB;
 771
 772         /* If speed didn't get set, set it to what it currently is.
 773          * This is needed because if advertise is 0 (as it is when autoneg
 774          * is disabled) then speed won't get set.
 775          */
 776         if (!config.link_speed)
 777                 config.link_speed = abilities.link_speed;
 778
 779         if (change || (abilities.link_speed != config.link_speed)) {
 780                 /* copy over the rest of the abilities */
 781                 config.phy_type = abilities.phy_type;
 782                 config.eee_capability = abilities.eee_capability;
 783                 config.eeer = abilities.eeer_val;
 784                 config.low_power_ctrl = abilities.d3_lpan;
 785
 786                 /* save the requested speeds */
 787                 hw->phy.link_info.requested_speeds = config.link_speed;
 788                 /* set link and auto negotiation so changes take effect */
 789                 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
 790                 /* If link is up put link down */
 791                 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
 792                         /* Tell the OS link is going down, the link will go
 793                          * back up when fw says it is ready asynchronously
 794                          */
 795                         i40e_print_link_message(vsi, false);
 796                         netif_carrier_off(netdev);
 797                         netif_tx_stop_all_queues(netdev);
 798                 }
 799
 800                 /* make the aq call */
 801                 status = i40e_aq_set_phy_config(hw, &config, NULL);
 802                 if (status) {
 803                         netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
 804                                     i40e_stat_str(hw, status),
 805                                     i40e_aq_str(hw, hw->aq.asq_last_status));
 806                         return -EAGAIN;
 807                 }
 808
 809                 status = i40e_update_link_info(hw);
 810                 if (status)
 811                         netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n",
 812                                    i40e_stat_str(hw, status),
 813                                    i40e_aq_str(hw, hw->aq.asq_last_status));
 814
 815         } else {
 816                 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
 817         }
 818
 819         return err;
 820 }
 821
 822 static int i40e_nway_reset(struct net_device *netdev)
 823 {
 824         /* restart autonegotiation */
 825         struct i40e_netdev_priv *np = netdev_priv(netdev);
 826         struct i40e_pf *pf = np->vsi->back;
 827         struct i40e_hw *hw = &pf->hw;
 828         bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
 829         i40e_status ret = 0;
 830
 831         ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
 832         if (ret) {
 833                 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
 834                             i40e_stat_str(hw, ret),
 835                             i40e_aq_str(hw, hw->aq.asq_last_status));
 836                 return -EIO;
 837         }
 838
 839         return 0;
 840 }
 841
 842 /**
 843  * i40e_get_pauseparam -  Get Flow Control status
 844  * Return tx/rx-pause status
 845  **/
 846 static void i40e_get_pauseparam(struct net_device *netdev,
 847                                 struct ethtool_pauseparam *pause)
 848 {
 849         struct i40e_netdev_priv *np = netdev_priv(netdev);
 850         struct i40e_pf *pf = np->vsi->back;
 851         struct i40e_hw *hw = &pf->hw;
 852         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 853         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 854
 855         pause->autoneg =
 856                 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 857                   AUTONEG_ENABLE : AUTONEG_DISABLE);
 858
 859         /* PFC enabled so report LFC as off */
 860         if (dcbx_cfg->pfc.pfcenable) {
 861                 pause->rx_pause = 0;
 862                 pause->tx_pause = 0;
 863                 return;
 864         }
 865
 866         if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
 867                 pause->rx_pause = 1;
 868         } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
 869                 pause->tx_pause = 1;
 870         } else if (hw->fc.current_mode == I40E_FC_FULL) {
 871                 pause->rx_pause = 1;
 872                 pause->tx_pause = 1;
 873         }
 874 }
 875
 876 /**
 877  * i40e_set_pauseparam - Set Flow Control parameter
 878  * @netdev: network interface device structure
 879  * @pause: return tx/rx flow control status
 880  **/
 881 static int i40e_set_pauseparam(struct net_device *netdev,
 882                                struct ethtool_pauseparam *pause)
 883 {
 884         struct i40e_netdev_priv *np = netdev_priv(netdev);
 885         struct i40e_pf *pf = np->vsi->back;
 886         struct i40e_vsi *vsi = np->vsi;
 887         struct i40e_hw *hw = &pf->hw;
 888         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 889         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 890         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 891         i40e_status status;
 892         u8 aq_failures;
 893         int err = 0;
 894
 895         /* Changing the port's flow control is not supported if this isn't the
 896          * port's controlling PF
 897          */
 898         if (hw->partition_id != 1) {
 899                 i40e_partition_setting_complaint(pf);
 900                 return -EOPNOTSUPP;
 901         }
 902
 903         if (vsi != pf->vsi[pf->lan_vsi])
 904                 return -EOPNOTSUPP;
 905
 906         if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 907             AUTONEG_ENABLE : AUTONEG_DISABLE)) {
 908                 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
 909                 return -EOPNOTSUPP;
 910         }
 911
 912         /* If we have link and don't have autoneg */
 913         if (!test_bit(__I40E_DOWN, &pf->state) &&
 914             !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
 915                 /* Send message that it might not necessarily work*/
 916                 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
 917         }
 918
 919         if (dcbx_cfg->pfc.pfcenable) {
 920                 netdev_info(netdev,
 921                             "Priority flow control enabled. Cannot set link flow control.\n");
 922                 return -EOPNOTSUPP;
 923         }
 924
 925         if (pause->rx_pause && pause->tx_pause)
 926                 hw->fc.requested_mode = I40E_FC_FULL;
 927         else if (pause->rx_pause && !pause->tx_pause)
 928                 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
 929         else if (!pause->rx_pause && pause->tx_pause)
 930                 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
 931         else if (!pause->rx_pause && !pause->tx_pause)
 932                 hw->fc.requested_mode = I40E_FC_NONE;
 933         else
 934                  return -EINVAL;
 935
 936         /* Tell the OS link is going down, the link will go back up when fw
 937          * says it is ready asynchronously
 938          */
 939         i40e_print_link_message(vsi, false);
 940         netif_carrier_off(netdev);
 941         netif_tx_stop_all_queues(netdev);
 942
 943         /* Set the fc mode and only restart an if link is up*/
 944         status = i40e_set_fc(hw, &aq_failures, link_up);
 945
 946         if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
 947                 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
 948                             i40e_stat_str(hw, status),
 949                             i40e_aq_str(hw, hw->aq.asq_last_status));
 950                 err = -EAGAIN;
 951         }
 952         if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
 953                 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
 954                             i40e_stat_str(hw, status),
 955                             i40e_aq_str(hw, hw->aq.asq_last_status));
 956                 err = -EAGAIN;
 957         }
 958         if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
 959                 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
 960                             i40e_stat_str(hw, status),
 961                             i40e_aq_str(hw, hw->aq.asq_last_status));
 962                 err = -EAGAIN;
 963         }
 964
 965         if (!test_bit(__I40E_DOWN, &pf->state)) {
 966                 /* Give it a little more time to try to come back */
 967                 msleep(75);
 968                 if (!test_bit(__I40E_DOWN, &pf->state))
 969                         return i40e_nway_reset(netdev);
 970         }
 971
 972         return err;
 973 }
 974
 975 static u32 i40e_get_msglevel(struct net_device *netdev)
 976 {
 977         struct i40e_netdev_priv *np = netdev_priv(netdev);
 978         struct i40e_pf *pf = np->vsi->back;
 979         u32 debug_mask = pf->hw.debug_mask;
 980
 981         if (debug_mask)
 982                 netdev_info(netdev, "i40e debug_mask: 0x%08X\n", debug_mask);
 983
 984         return pf->msg_enable;
 985 }
 986
 987 static void i40e_set_msglevel(struct net_device *netdev, u32 data)
 988 {
 989         struct i40e_netdev_priv *np = netdev_priv(netdev);
 990         struct i40e_pf *pf = np->vsi->back;
 991
 992         if (I40E_DEBUG_USER & data)
 993                 pf->hw.debug_mask = data;
 994         else
 995                 pf->msg_enable = data;
 996 }
 997
 998 static int i40e_get_regs_len(struct net_device *netdev)
 999 {
1000         int reg_count = 0;
1001         int i;
1002
1003         for (i = 0; i40e_reg_list[i].offset != 0; i++)
1004                 reg_count += i40e_reg_list[i].elements;
1005
1006         return reg_count * sizeof(u32);
1007 }
1008
1009 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
1010                           void *p)
1011 {
1012         struct i40e_netdev_priv *np = netdev_priv(netdev);
1013         struct i40e_pf *pf = np->vsi->back;
1014         struct i40e_hw *hw = &pf->hw;
1015         u32 *reg_buf = p;
1016         int i, j, ri;
1017         u32 reg;
1018
1019         /* Tell ethtool which driver-version-specific regs output we have.
1020          *
1021          * At some point, if we have ethtool doing special formatting of
1022          * this data, it will rely on this version number to know how to
1023          * interpret things.  Hence, this needs to be updated if/when the
1024          * diags register table is changed.
1025          */
1026         regs->version = 1;
1027
1028         /* loop through the diags reg table for what to print */
1029         ri = 0;
1030         for (i = 0; i40e_reg_list[i].offset != 0; i++) {
1031                 for (j = 0; j < i40e_reg_list[i].elements; j++) {
1032                         reg = i40e_reg_list[i].offset
1033                                 + (j * i40e_reg_list[i].stride);
1034                         reg_buf[ri++] = rd32(hw, reg);
1035                 }
1036         }
1037
1038 }
1039
1040 static int i40e_get_eeprom(struct net_device *netdev,
1041                            struct ethtool_eeprom *eeprom, u8 *bytes)
1042 {
1043         struct i40e_netdev_priv *np = netdev_priv(netdev);
1044         struct i40e_hw *hw = &np->vsi->back->hw;
1045         struct i40e_pf *pf = np->vsi->back;
1046         int ret_val = 0, len, offset;
1047         u8 *eeprom_buff;
1048         u16 i, sectors;
1049         bool last;
1050         u32 magic;
1051
1052 #define I40E_NVM_SECTOR_SIZE  4096
1053         if (eeprom->len == 0)
1054                 return -EINVAL;
1055
1056         /* check for NVMUpdate access method */
1057         magic = hw->vendor_id | (hw->device_id << 16);
1058         if (eeprom->magic && eeprom->magic != magic) {
1059                 struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1060                 int errno = 0;
1061
1062                 /* make sure it is the right magic for NVMUpdate */
1063                 if ((eeprom->magic >> 16) != hw->device_id)
1064                         errno = -EINVAL;
1065                 else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1066                          test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1067                         errno = -EBUSY;
1068                 else
1069                         ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1070
1071                 if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1072                         dev_info(&pf->pdev->dev,
1073                                  "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1074                                  ret_val, hw->aq.asq_last_status, errno,
1075                                  (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1076                                  cmd->offset, cmd->data_size);
1077
1078                 return errno;
1079         }
1080
1081         /* normal ethtool get_eeprom support */
1082         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1083
1084         eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
1085         if (!eeprom_buff)
1086                 return -ENOMEM;
1087
1088         ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
1089         if (ret_val) {
1090                 dev_info(&pf->pdev->dev,
1091                          "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1092                          ret_val, hw->aq.asq_last_status);
1093                 goto free_buff;
1094         }
1095
1096         sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
1097         sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
1098         len = I40E_NVM_SECTOR_SIZE;
1099         last = false;
1100         for (i = 0; i < sectors; i++) {
1101                 if (i == (sectors - 1)) {
1102                         len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
1103                         last = true;
1104                 }
1105                 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
1106                 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1107                                 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1108                                 last, NULL);
1109                 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1110                         dev_info(&pf->pdev->dev,
1111                                  "read NVM failed, invalid offset 0x%x\n",
1112                                  offset);
1113                         break;
1114                 } else if (ret_val &&
1115                            hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1116                         dev_info(&pf->pdev->dev,
1117                                  "read NVM failed, access, offset 0x%x\n",
1118                                  offset);
1119                         break;
1120                 } else if (ret_val) {
1121                         dev_info(&pf->pdev->dev,
1122                                  "read NVM failed offset %d err=%d status=0x%x\n",
1123                                  offset, ret_val, hw->aq.asq_last_status);
1124                         break;
1125                 }
1126         }
1127
1128         i40e_release_nvm(hw);
1129         memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1130 free_buff:
1131         kfree(eeprom_buff);
1132         return ret_val;
1133 }
1134
1135 static int i40e_get_eeprom_len(struct net_device *netdev)
1136 {
1137         struct i40e_netdev_priv *np = netdev_priv(netdev);
1138         struct i40e_hw *hw = &np->vsi->back->hw;
1139         u32 val;
1140
1141         val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1142                 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1143                 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1144         /* register returns value in power of 2, 64Kbyte chunks. */
1145         val = (64 * 1024) * BIT(val);
1146         return val;
1147 }
1148
1149 static int i40e_set_eeprom(struct net_device *netdev,
1150                            struct ethtool_eeprom *eeprom, u8 *bytes)
1151 {
1152         struct i40e_netdev_priv *np = netdev_priv(netdev);
1153         struct i40e_hw *hw = &np->vsi->back->hw;
1154         struct i40e_pf *pf = np->vsi->back;
1155         struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1156         int ret_val = 0;
1157         int errno = 0;
1158         u32 magic;
1159
1160         /* normal ethtool set_eeprom is not supported */
1161         magic = hw->vendor_id | (hw->device_id << 16);
1162         if (eeprom->magic == magic)
1163                 errno = -EOPNOTSUPP;
1164         /* check for NVMUpdate access method */
1165         else if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1166                 errno = -EINVAL;
1167         else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1168                  test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1169                 errno = -EBUSY;
1170         else
1171                 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1172
1173         if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1174                 dev_info(&pf->pdev->dev,
1175                          "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1176                          ret_val, hw->aq.asq_last_status, errno,
1177                          (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1178                          cmd->offset, cmd->data_size);
1179
1180         return errno;
1181 }
1182
1183 static void i40e_get_drvinfo(struct net_device *netdev,
1184                              struct ethtool_drvinfo *drvinfo)
1185 {
1186         struct i40e_netdev_priv *np = netdev_priv(netdev);
1187         struct i40e_vsi *vsi = np->vsi;
1188         struct i40e_pf *pf = vsi->back;
1189
1190         strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1191         strlcpy(drvinfo->version, i40e_driver_version_str,
1192                 sizeof(drvinfo->version));
1193         strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
1194                 sizeof(drvinfo->fw_version));
1195         strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1196                 sizeof(drvinfo->bus_info));
1197         drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
1198         if (pf->hw.pf_id == 0)
1199                 drvinfo->n_priv_flags += I40E_GL_PRIV_FLAGS_STR_LEN;
1200 }
1201
1202 static void i40e_get_ringparam(struct net_device *netdev,
1203                                struct ethtool_ringparam *ring)
1204 {
1205         struct i40e_netdev_priv *np = netdev_priv(netdev);
1206         struct i40e_pf *pf = np->vsi->back;
1207         struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1208
1209         ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1210         ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1211         ring->rx_mini_max_pending = 0;
1212         ring->rx_jumbo_max_pending = 0;
1213         ring->rx_pending = vsi->rx_rings[0]->count;
1214         ring->tx_pending = vsi->tx_rings[0]->count;
1215         ring->rx_mini_pending = 0;
1216         ring->rx_jumbo_pending = 0;
1217 }
1218
1219 static int i40e_set_ringparam(struct net_device *netdev,
1220                               struct ethtool_ringparam *ring)
1221 {
1222         struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1223         struct i40e_netdev_priv *np = netdev_priv(netdev);
1224         struct i40e_hw *hw = &np->vsi->back->hw;
1225         struct i40e_vsi *vsi = np->vsi;
1226         struct i40e_pf *pf = vsi->back;
1227         u32 new_rx_count, new_tx_count;
1228         int i, err = 0;
1229
1230         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1231                 return -EINVAL;
1232
1233         if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1234             ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1235             ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1236             ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1237                 netdev_info(netdev,
1238                             "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1239                             ring->tx_pending, ring->rx_pending,
1240                             I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1241                 return -EINVAL;
1242         }
1243
1244         new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1245         new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1246
1247         /* if nothing to do return success */
1248         if ((new_tx_count == vsi->tx_rings[0]->count) &&
1249             (new_rx_count == vsi->rx_rings[0]->count))
1250                 return 0;
1251
1252         while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1253                 usleep_range(1000, 2000);
1254
1255         if (!netif_running(vsi->netdev)) {
1256                 /* simple case - set for the next time the netdev is started */
1257                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1258                         vsi->tx_rings[i]->count = new_tx_count;
1259                         vsi->rx_rings[i]->count = new_rx_count;
1260                 }
1261                 goto done;
1262         }
1263
1264         /* We can't just free everything and then setup again,
1265          * because the ISRs in MSI-X mode get passed pointers
1266          * to the Tx and Rx ring structs.
1267          */
1268
1269         /* alloc updated Tx resources */
1270         if (new_tx_count != vsi->tx_rings[0]->count) {
1271                 netdev_info(netdev,
1272                             "Changing Tx descriptor count from %d to %d.\n",
1273                             vsi->tx_rings[0]->count, new_tx_count);
1274                 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1275                                    sizeof(struct i40e_ring), GFP_KERNEL);
1276                 if (!tx_rings) {
1277                         err = -ENOMEM;
1278                         goto done;
1279                 }
1280
1281                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1282                         /* clone ring and setup updated count */
1283                         tx_rings[i] = *vsi->tx_rings[i];
1284                         tx_rings[i].count = new_tx_count;
1285                         /* the desc and bi pointers will be reallocated in the
1286                          * setup call
1287                          */
1288                         tx_rings[i].desc = NULL;
1289                         tx_rings[i].rx_bi = NULL;
1290                         err = i40e_setup_tx_descriptors(&tx_rings[i]);
1291                         if (err) {
1292                                 while (i) {
1293                                         i--;
1294                                         i40e_free_tx_resources(&tx_rings[i]);
1295                                 }
1296                                 kfree(tx_rings);
1297                                 tx_rings = NULL;
1298
1299                                 goto done;
1300                         }
1301                 }
1302         }
1303
1304         /* alloc updated Rx resources */
1305         if (new_rx_count != vsi->rx_rings[0]->count) {
1306                 netdev_info(netdev,
1307                             "Changing Rx descriptor count from %d to %d\n",
1308                             vsi->rx_rings[0]->count, new_rx_count);
1309                 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1310                                    sizeof(struct i40e_ring), GFP_KERNEL);
1311                 if (!rx_rings) {
1312                         err = -ENOMEM;
1313                         goto free_tx;
1314                 }
1315
1316                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1317                         struct i40e_ring *ring;
1318                         u16 unused;
1319
1320                         /* clone ring and setup updated count */
1321                         rx_rings[i] = *vsi->rx_rings[i];
1322                         rx_rings[i].count = new_rx_count;
1323                         /* the desc and bi pointers will be reallocated in the
1324                          * setup call
1325                          */
1326                         rx_rings[i].desc = NULL;
1327                         rx_rings[i].rx_bi = NULL;
1328                         /* this is to allow wr32 to have something to write to
1329                          * during early allocation of Rx buffers
1330                          */
1331                         rx_rings[i].tail = hw->hw_addr + I40E_PRTGEN_STATUS;
1332                         err = i40e_setup_rx_descriptors(&rx_rings[i]);
1333                         if (err)
1334                                 goto rx_unwind;
1335
1336                         /* now allocate the Rx buffers to make sure the OS
1337                          * has enough memory, any failure here means abort
1338                          */
1339                         ring = &rx_rings[i];
1340                         unused = I40E_DESC_UNUSED(ring);
1341                         err = i40e_alloc_rx_buffers(ring, unused);
1342 rx_unwind:
1343                         if (err) {
1344                                 do {
1345                                         i40e_free_rx_resources(&rx_rings[i]);
1346                                 } while (i--);
1347                                 kfree(rx_rings);
1348                                 rx_rings = NULL;
1349
1350                                 goto free_tx;
1351                         }
1352                 }
1353         }
1354
1355         /* Bring interface down, copy in the new ring info,
1356          * then restore the interface
1357          */
1358         i40e_down(vsi);
1359
1360         if (tx_rings) {
1361                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1362                         i40e_free_tx_resources(vsi->tx_rings[i]);
1363                         *vsi->tx_rings[i] = tx_rings[i];
1364                 }
1365                 kfree(tx_rings);
1366                 tx_rings = NULL;
1367         }
1368
1369         if (rx_rings) {
1370                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1371                         i40e_free_rx_resources(vsi->rx_rings[i]);
1372                         /* get the real tail offset */
1373                         rx_rings[i].tail = vsi->rx_rings[i]->tail;
1374                         /* this is to fake out the allocation routine
1375                          * into thinking it has to realloc everything
1376                          * but the recycling logic will let us re-use
1377                          * the buffers allocated above
1378                          */
1379                         rx_rings[i].next_to_use = 0;
1380                         rx_rings[i].next_to_clean = 0;
1381                         rx_rings[i].next_to_alloc = 0;
1382                         /* do a struct copy */
1383                         *vsi->rx_rings[i] = rx_rings[i];
1384                 }
1385                 kfree(rx_rings);
1386                 rx_rings = NULL;
1387         }
1388
1389         i40e_up(vsi);
1390
1391 free_tx:
1392         /* error cleanup if the Rx allocations failed after getting Tx */
1393         if (tx_rings) {
1394                 for (i = 0; i < vsi->num_queue_pairs; i++)
1395                         i40e_free_tx_resources(&tx_rings[i]);
1396                 kfree(tx_rings);
1397                 tx_rings = NULL;
1398         }
1399
1400 done:
1401         clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1402
1403         return err;
1404 }
1405
1406 static int i40e_get_sset_count(struct net_device *netdev, int sset)
1407 {
1408         struct i40e_netdev_priv *np = netdev_priv(netdev);
1409         struct i40e_vsi *vsi = np->vsi;
1410         struct i40e_pf *pf = vsi->back;
1411
1412         switch (sset) {
1413         case ETH_SS_TEST:
1414                 return I40E_TEST_LEN;
1415         case ETH_SS_STATS:
1416                 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1417                         int len = I40E_PF_STATS_LEN(netdev);
1418
1419                         if ((pf->lan_veb != I40E_NO_VEB) &&
1420                             (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1421                                 len += I40E_VEB_STATS_TOTAL;
1422                         return len;
1423                 } else {
1424                         return I40E_VSI_STATS_LEN(netdev);
1425                 }
1426         case ETH_SS_PRIV_FLAGS:
1427                 return I40E_PRIV_FLAGS_STR_LEN +
1428                         (pf->hw.pf_id == 0 ? I40E_GL_PRIV_FLAGS_STR_LEN : 0);
1429         default:
1430                 return -EOPNOTSUPP;
1431         }
1432 }
1433
1434 static void i40e_get_ethtool_stats(struct net_device *netdev,
1435                                    struct ethtool_stats *stats, u64 *data)
1436 {
1437         struct i40e_netdev_priv *np = netdev_priv(netdev);
1438         struct i40e_ring *tx_ring, *rx_ring;
1439         struct i40e_vsi *vsi = np->vsi;
1440         struct i40e_pf *pf = vsi->back;
1441         int i = 0;
1442         char *p;
1443         int j;
1444         struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1445         unsigned int start;
1446
1447         i40e_update_stats(vsi);
1448
1449         for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1450                 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1451                 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1452                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1453         }
1454         for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1455                 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1456                 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1457                             sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1458         }
1459 #ifdef I40E_FCOE
1460         for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1461                 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1462                 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1463                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1464         }
1465 #endif
1466         rcu_read_lock();
1467         for (j = 0; j < vsi->num_queue_pairs; j++) {
1468                 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1469
1470                 if (!tx_ring)
1471                         continue;
1472
1473                 /* process Tx ring statistics */
1474                 do {
1475                         start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1476                         data[i] = tx_ring->stats.packets;
1477                         data[i + 1] = tx_ring->stats.bytes;
1478                 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1479                 i += 2;
1480
1481                 /* Rx ring is the 2nd half of the queue pair */
1482                 rx_ring = &tx_ring[1];
1483                 do {
1484                         start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1485                         data[i] = rx_ring->stats.packets;
1486                         data[i + 1] = rx_ring->stats.bytes;
1487                 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1488                 i += 2;
1489         }
1490         rcu_read_unlock();
1491         if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1492                 return;
1493
1494         if ((pf->lan_veb != I40E_NO_VEB) &&
1495             (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1496                 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1497
1498                 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1499                         p = (char *)veb;
1500                         p += i40e_gstrings_veb_stats[j].stat_offset;
1501                         data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1502                                      sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1503                 }
1504                 for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
1505                         data[i++] = veb->tc_stats.tc_tx_packets[j];
1506                         data[i++] = veb->tc_stats.tc_tx_bytes[j];
1507                         data[i++] = veb->tc_stats.tc_rx_packets[j];
1508                         data[i++] = veb->tc_stats.tc_rx_bytes[j];
1509                 }
1510         }
1511         for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1512                 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1513                 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1514                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1515         }
1516         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1517                 data[i++] = pf->stats.priority_xon_tx[j];
1518                 data[i++] = pf->stats.priority_xoff_tx[j];
1519         }
1520         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1521                 data[i++] = pf->stats.priority_xon_rx[j];
1522                 data[i++] = pf->stats.priority_xoff_rx[j];
1523         }
1524         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1525                 data[i++] = pf->stats.priority_xon_2_xoff[j];
1526 }
1527
1528 static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1529                              u8 *data)
1530 {
1531         struct i40e_netdev_priv *np = netdev_priv(netdev);
1532         struct i40e_vsi *vsi = np->vsi;
1533         struct i40e_pf *pf = vsi->back;
1534         char *p = (char *)data;
1535         int i;
1536
1537         switch (stringset) {
1538         case ETH_SS_TEST:
1539                 for (i = 0; i < I40E_TEST_LEN; i++) {
1540                         memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1541                         data += ETH_GSTRING_LEN;
1542                 }
1543                 break;
1544         case ETH_SS_STATS:
1545                 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1546                         snprintf(p, ETH_GSTRING_LEN, "%s",
1547                                  i40e_gstrings_net_stats[i].stat_string);
1548                         p += ETH_GSTRING_LEN;
1549                 }
1550                 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1551                         snprintf(p, ETH_GSTRING_LEN, "%s",
1552                                  i40e_gstrings_misc_stats[i].stat_string);
1553                         p += ETH_GSTRING_LEN;
1554                 }
1555 #ifdef I40E_FCOE
1556                 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1557                         snprintf(p, ETH_GSTRING_LEN, "%s",
1558                                  i40e_gstrings_fcoe_stats[i].stat_string);
1559                         p += ETH_GSTRING_LEN;
1560                 }
1561 #endif
1562                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1563                         snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i);
1564                         p += ETH_GSTRING_LEN;
1565                         snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i);
1566                         p += ETH_GSTRING_LEN;
1567                         snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i);
1568                         p += ETH_GSTRING_LEN;
1569                         snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i);
1570                         p += ETH_GSTRING_LEN;
1571                 }
1572                 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1573                         return;
1574
1575                 if ((pf->lan_veb != I40E_NO_VEB) &&
1576                     (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1577                         for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1578                                 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1579                                         i40e_gstrings_veb_stats[i].stat_string);
1580                                 p += ETH_GSTRING_LEN;
1581                         }
1582                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1583                                 snprintf(p, ETH_GSTRING_LEN,
1584                                          "veb.tc_%d_tx_packets", i);
1585                                 p += ETH_GSTRING_LEN;
1586                                 snprintf(p, ETH_GSTRING_LEN,
1587                                          "veb.tc_%d_tx_bytes", i);
1588                                 p += ETH_GSTRING_LEN;
1589                                 snprintf(p, ETH_GSTRING_LEN,
1590                                          "veb.tc_%d_rx_packets", i);
1591                                 p += ETH_GSTRING_LEN;
1592                                 snprintf(p, ETH_GSTRING_LEN,
1593                                          "veb.tc_%d_rx_bytes", i);
1594                                 p += ETH_GSTRING_LEN;
1595                         }
1596                 }
1597                 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1598                         snprintf(p, ETH_GSTRING_LEN, "port.%s",
1599                                  i40e_gstrings_stats[i].stat_string);
1600                         p += ETH_GSTRING_LEN;
1601                 }
1602                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1603                         snprintf(p, ETH_GSTRING_LEN,
1604                                  "port.tx_priority_%d_xon", i);
1605                         p += ETH_GSTRING_LEN;
1606                         snprintf(p, ETH_GSTRING_LEN,
1607                                  "port.tx_priority_%d_xoff", i);
1608                         p += ETH_GSTRING_LEN;
1609                 }
1610                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1611                         snprintf(p, ETH_GSTRING_LEN,
1612                                  "port.rx_priority_%d_xon", i);
1613                         p += ETH_GSTRING_LEN;
1614                         snprintf(p, ETH_GSTRING_LEN,
1615                                  "port.rx_priority_%d_xoff", i);
1616                         p += ETH_GSTRING_LEN;
1617                 }
1618                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1619                         snprintf(p, ETH_GSTRING_LEN,
1620                                  "port.rx_priority_%d_xon_2_xoff", i);
1621                         p += ETH_GSTRING_LEN;
1622                 }
1623                 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1624                 break;
1625         case ETH_SS_PRIV_FLAGS:
1626                 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1627                         memcpy(data, i40e_priv_flags_strings[i],
1628                                ETH_GSTRING_LEN);
1629                         data += ETH_GSTRING_LEN;
1630                 }
1631                 if (pf->hw.pf_id == 0) {
1632                         for (i = 0; i < I40E_GL_PRIV_FLAGS_STR_LEN; i++) {
1633                                 memcpy(data, i40e_gl_priv_flags_strings[i],
1634                                        ETH_GSTRING_LEN);
1635                                 data += ETH_GSTRING_LEN;
1636                         }
1637                 }
1638                 break;
1639         default:
1640                 break;
1641         }
1642 }
1643
1644 static int i40e_get_ts_info(struct net_device *dev,
1645                             struct ethtool_ts_info *info)
1646 {
1647         struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1648
1649         /* only report HW timestamping if PTP is enabled */
1650         if (!(pf->flags & I40E_FLAG_PTP))
1651                 return ethtool_op_get_ts_info(dev, info);
1652
1653         info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1654                                 SOF_TIMESTAMPING_RX_SOFTWARE |
1655                                 SOF_TIMESTAMPING_SOFTWARE |
1656                                 SOF_TIMESTAMPING_TX_HARDWARE |
1657                                 SOF_TIMESTAMPING_RX_HARDWARE |
1658                                 SOF_TIMESTAMPING_RAW_HARDWARE;
1659
1660         if (pf->ptp_clock)
1661                 info->phc_index = ptp_clock_index(pf->ptp_clock);
1662         else
1663                 info->phc_index = -1;
1664
1665         info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1666
1667         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1668                            BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1669                            BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1670
1671         return 0;
1672 }
1673
1674 static int i40e_link_test(struct net_device *netdev, u64 *data)
1675 {
1676         struct i40e_netdev_priv *np = netdev_priv(netdev);
1677         struct i40e_pf *pf = np->vsi->back;
1678         i40e_status status;
1679         bool link_up = false;
1680
1681         netif_info(pf, hw, netdev, "link test\n");
1682         status = i40e_get_link_status(&pf->hw, &link_up);
1683         if (status) {
1684                 netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1685                 *data = 1;
1686                 return *data;
1687         }
1688
1689         if (link_up)
1690                 *data = 0;
1691         else
1692                 *data = 1;
1693
1694         return *data;
1695 }
1696
1697 static int i40e_reg_test(struct net_device *netdev, u64 *data)
1698 {
1699         struct i40e_netdev_priv *np = netdev_priv(netdev);
1700         struct i40e_pf *pf = np->vsi->back;
1701
1702         netif_info(pf, hw, netdev, "register test\n");
1703         *data = i40e_diag_reg_test(&pf->hw);
1704
1705         return *data;
1706 }
1707
1708 static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1709 {
1710         struct i40e_netdev_priv *np = netdev_priv(netdev);
1711         struct i40e_pf *pf = np->vsi->back;
1712
1713         netif_info(pf, hw, netdev, "eeprom test\n");
1714         *data = i40e_diag_eeprom_test(&pf->hw);
1715
1716         /* forcebly clear the NVM Update state machine */
1717         pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1718
1719         return *data;
1720 }
1721
1722 static int i40e_intr_test(struct net_device *netdev, u64 *data)
1723 {
1724         struct i40e_netdev_priv *np = netdev_priv(netdev);
1725         struct i40e_pf *pf = np->vsi->back;
1726         u16 swc_old = pf->sw_int_count;
1727
1728         netif_info(pf, hw, netdev, "interrupt test\n");
1729         wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1730              (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1731               I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1732               I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1733               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1734               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1735         usleep_range(1000, 2000);
1736         *data = (swc_old == pf->sw_int_count);
1737
1738         return *data;
1739 }
1740
1741 static inline bool i40e_active_vfs(struct i40e_pf *pf)
1742 {
1743         struct i40e_vf *vfs = pf->vf;
1744         int i;
1745
1746         for (i = 0; i < pf->num_alloc_vfs; i++)
1747                 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1748                         return true;
1749         return false;
1750 }
1751
1752 static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1753 {
1754         return !!i40e_find_vsi_by_type(pf, I40E_VSI_VMDQ2);
1755 }
1756
1757 static void i40e_diag_test(struct net_device *netdev,
1758                            struct ethtool_test *eth_test, u64 *data)
1759 {
1760         struct i40e_netdev_priv *np = netdev_priv(netdev);
1761         bool if_running = netif_running(netdev);
1762         struct i40e_pf *pf = np->vsi->back;
1763
1764         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1765                 /* Offline tests */
1766                 netif_info(pf, drv, netdev, "offline testing starting\n");
1767
1768                 set_bit(__I40E_TESTING, &pf->state);
1769
1770                 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1771                         dev_warn(&pf->pdev->dev,
1772                                  "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1773                         data[I40E_ETH_TEST_REG]         = 1;
1774                         data[I40E_ETH_TEST_EEPROM]      = 1;
1775                         data[I40E_ETH_TEST_INTR]        = 1;
1776                         data[I40E_ETH_TEST_LINK]        = 1;
1777                         eth_test->flags |= ETH_TEST_FL_FAILED;
1778                         clear_bit(__I40E_TESTING, &pf->state);
1779                         goto skip_ol_tests;
1780                 }
1781
1782                 /* If the device is online then take it offline */
1783                 if (if_running)
1784                         /* indicate we're in test mode */
1785                         i40e_close(netdev);
1786                 else
1787                         /* This reset does not affect link - if it is
1788                          * changed to a type of reset that does affect
1789                          * link then the following link test would have
1790                          * to be moved to before the reset
1791                          */
1792                         i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1793
1794                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1795                         eth_test->flags |= ETH_TEST_FL_FAILED;
1796
1797                 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1798                         eth_test->flags |= ETH_TEST_FL_FAILED;
1799
1800                 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1801                         eth_test->flags |= ETH_TEST_FL_FAILED;
1802
1803                 /* run reg test last, a reset is required after it */
1804                 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1805                         eth_test->flags |= ETH_TEST_FL_FAILED;
1806
1807                 clear_bit(__I40E_TESTING, &pf->state);
1808                 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1809
1810                 if (if_running)
1811                         i40e_open(netdev);
1812         } else {
1813                 /* Online tests */
1814                 netif_info(pf, drv, netdev, "online testing starting\n");
1815
1816                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1817                         eth_test->flags |= ETH_TEST_FL_FAILED;
1818
1819                 /* Offline only tests, not run in online; pass by default */
1820                 data[I40E_ETH_TEST_REG] = 0;
1821                 data[I40E_ETH_TEST_EEPROM] = 0;
1822                 data[I40E_ETH_TEST_INTR] = 0;
1823         }
1824
1825 skip_ol_tests:
1826
1827         netif_info(pf, drv, netdev, "testing finished\n");
1828 }
1829
1830 static void i40e_get_wol(struct net_device *netdev,
1831                          struct ethtool_wolinfo *wol)
1832 {
1833         struct i40e_netdev_priv *np = netdev_priv(netdev);
1834         struct i40e_pf *pf = np->vsi->back;
1835         struct i40e_hw *hw = &pf->hw;
1836         u16 wol_nvm_bits;
1837
1838         /* NVM bit on means WoL disabled for the port */
1839         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1840         if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1841                 wol->supported = 0;
1842                 wol->wolopts = 0;
1843         } else {
1844                 wol->supported = WAKE_MAGIC;
1845                 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1846         }
1847 }
1848
1849 /**
1850  * i40e_set_wol - set the WakeOnLAN configuration
1851  * @netdev: the netdev in question
1852  * @wol: the ethtool WoL setting data
1853  **/
1854 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1855 {
1856         struct i40e_netdev_priv *np = netdev_priv(netdev);
1857         struct i40e_pf *pf = np->vsi->back;
1858         struct i40e_vsi *vsi = np->vsi;
1859         struct i40e_hw *hw = &pf->hw;
1860         u16 wol_nvm_bits;
1861
1862         /* WoL not supported if this isn't the controlling PF on the port */
1863         if (hw->partition_id != 1) {
1864                 i40e_partition_setting_complaint(pf);
1865                 return -EOPNOTSUPP;
1866         }
1867
1868         if (vsi != pf->vsi[pf->lan_vsi])
1869                 return -EOPNOTSUPP;
1870
1871         /* NVM bit on means WoL disabled for the port */
1872         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1873         if (BIT(hw->port) & wol_nvm_bits)
1874                 return -EOPNOTSUPP;
1875
1876         /* only magic packet is supported */
1877         if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1878                 return -EOPNOTSUPP;
1879
1880         /* is this a new value? */
1881         if (pf->wol_en != !!wol->wolopts) {
1882                 pf->wol_en = !!wol->wolopts;
1883                 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1884         }
1885
1886         return 0;
1887 }
1888
1889 static int i40e_set_phys_id(struct net_device *netdev,
1890                             enum ethtool_phys_id_state state)
1891 {
1892         struct i40e_netdev_priv *np = netdev_priv(netdev);
1893         i40e_status ret = 0;
1894         struct i40e_pf *pf = np->vsi->back;
1895         struct i40e_hw *hw = &pf->hw;
1896         int blink_freq = 2;
1897         u16 temp_status;
1898
1899         switch (state) {
1900         case ETHTOOL_ID_ACTIVE:
1901                 if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY)) {
1902                         pf->led_status = i40e_led_get(hw);
1903                 } else {
1904                         i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL, NULL);
1905                         ret = i40e_led_get_phy(hw, &temp_status,
1906                                                &pf->phy_led_val);
1907                         pf->led_status = temp_status;
1908                 }
1909                 return blink_freq;
1910         case ETHTOOL_ID_ON:
1911                 if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY))
1912                         i40e_led_set(hw, 0xf, false);
1913                 else
1914                         ret = i40e_led_set_phy(hw, true, pf->led_status, 0);
1915                 break;
1916         case ETHTOOL_ID_OFF:
1917                 if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY))
1918                         i40e_led_set(hw, 0x0, false);
1919                 else
1920                         ret = i40e_led_set_phy(hw, false, pf->led_status, 0);
1921                 break;
1922         case ETHTOOL_ID_INACTIVE:
1923                 if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY)) {
1924                         i40e_led_set(hw, false, pf->led_status);
1925                 } else {
1926                         ret = i40e_led_set_phy(hw, false, pf->led_status,
1927                                                (pf->phy_led_val |
1928                                                I40E_PHY_LED_MODE_ORIG));
1929                         i40e_aq_set_phy_debug(hw, 0, NULL);
1930                 }
1931                 break;
1932         default:
1933                 break;
1934         }
1935                 if (ret)
1936                         return -ENOENT;
1937                 else
1938                         return 0;
1939 }
1940
1941 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1942  * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1943  * 125us (8000 interrupts per second) == ITR(62)
1944  */
1945
1946 /**
1947  * __i40e_get_coalesce - get per-queue coalesce settings
1948  * @netdev: the netdev to check
1949  * @ec: ethtool coalesce data structure
1950  * @queue: which queue to pick
1951  *
1952  * Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs
1953  * are per queue. If queue is <0 then we default to queue 0 as the
1954  * representative value.
1955  **/
1956 static int __i40e_get_coalesce(struct net_device *netdev,
1957                                struct ethtool_coalesce *ec,
1958                                int queue)
1959 {
1960         struct i40e_netdev_priv *np = netdev_priv(netdev);
1961         struct i40e_ring *rx_ring, *tx_ring;
1962         struct i40e_vsi *vsi = np->vsi;
1963
1964         ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1965         ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1966
1967         /* rx and tx usecs has per queue value. If user doesn't specify the queue,
1968          * return queue 0's value to represent.
1969          */
1970         if (queue < 0) {
1971                 queue = 0;
1972         } else if (queue >= vsi->num_queue_pairs) {
1973                 return -EINVAL;
1974         }
1975
1976         rx_ring = vsi->rx_rings[queue];
1977         tx_ring = vsi->tx_rings[queue];
1978
1979         if (ITR_IS_DYNAMIC(rx_ring->rx_itr_setting))
1980                 ec->use_adaptive_rx_coalesce = 1;
1981
1982         if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting))
1983                 ec->use_adaptive_tx_coalesce = 1;
1984
1985         ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC;
1986         ec->tx_coalesce_usecs = tx_ring->tx_itr_setting & ~I40E_ITR_DYNAMIC;
1987
1988
1989         /* we use the _usecs_high to store/set the interrupt rate limit
1990          * that the hardware supports, that almost but not quite
1991          * fits the original intent of the ethtool variable,
1992          * the rx_coalesce_usecs_high limits total interrupts
1993          * per second from both tx/rx sources.
1994          */
1995         ec->rx_coalesce_usecs_high = vsi->int_rate_limit;
1996         ec->tx_coalesce_usecs_high = vsi->int_rate_limit;
1997
1998         return 0;
1999 }
2000
2001 /**
2002  * i40e_get_coalesce - get a netdev's coalesce settings
2003  * @netdev: the netdev to check
2004  * @ec: ethtool coalesce data structure
2005  *
2006  * Gets the coalesce settings for a particular netdev. Note that if user has
2007  * modified per-queue settings, this only guarantees to represent queue 0. See
2008  * __i40e_get_coalesce for more details.
2009  **/
2010 static int i40e_get_coalesce(struct net_device *netdev,
2011                              struct ethtool_coalesce *ec)
2012 {
2013         return __i40e_get_coalesce(netdev, ec, -1);
2014 }
2015
2016 /**
2017  * i40e_get_per_queue_coalesce - gets coalesce settings for particular queue
2018  * @netdev: netdev structure
2019  * @ec: ethtool's coalesce settings
2020  * @queue: the particular queue to read
2021  *
2022  * Will read a specific queue's coalesce settings
2023  **/
2024 static int i40e_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
2025                                        struct ethtool_coalesce *ec)
2026 {
2027         return __i40e_get_coalesce(netdev, ec, queue);
2028 }
2029
2030 /**
2031  * i40e_set_itr_per_queue - set ITR values for specific queue
2032  * @vsi: the VSI to set values for
2033  * @ec: coalesce settings from ethtool
2034  * @queue: the queue to modify
2035  *
2036  * Change the ITR settings for a specific queue.
2037  **/
2038
2039 static void i40e_set_itr_per_queue(struct i40e_vsi *vsi,
2040                                    struct ethtool_coalesce *ec,
2041                                    int queue)
2042 {
2043         struct i40e_pf *pf = vsi->back;
2044         struct i40e_hw *hw = &pf->hw;
2045         struct i40e_q_vector *q_vector;
2046         u16 vector, intrl;
2047
2048         intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit);
2049
2050         vsi->rx_rings[queue]->rx_itr_setting = ec->rx_coalesce_usecs;
2051         vsi->tx_rings[queue]->tx_itr_setting = ec->tx_coalesce_usecs;
2052
2053         if (ec->use_adaptive_rx_coalesce)
2054                 vsi->rx_rings[queue]->rx_itr_setting |= I40E_ITR_DYNAMIC;
2055         else
2056                 vsi->rx_rings[queue]->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
2057
2058         if (ec->use_adaptive_tx_coalesce)
2059                 vsi->tx_rings[queue]->tx_itr_setting |= I40E_ITR_DYNAMIC;
2060         else
2061                 vsi->tx_rings[queue]->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
2062
2063         q_vector = vsi->rx_rings[queue]->q_vector;
2064         q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[queue]->rx_itr_setting);
2065         vector = vsi->base_vector + q_vector->v_idx;
2066         wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), q_vector->rx.itr);
2067
2068         q_vector = vsi->tx_rings[queue]->q_vector;
2069         q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[queue]->tx_itr_setting);
2070         vector = vsi->base_vector + q_vector->v_idx;
2071         wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr);
2072
2073         wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl);
2074         i40e_flush(hw);
2075 }
2076
2077 /**
2078  * __i40e_set_coalesce - set coalesce settings for particular queue
2079  * @netdev: the netdev to change
2080  * @ec: ethtool coalesce settings
2081  * @queue: the queue to change
2082  *
2083  * Sets the coalesce settings for a particular queue.
2084  **/
2085 static int __i40e_set_coalesce(struct net_device *netdev,
2086                                struct ethtool_coalesce *ec,
2087                                int queue)
2088 {
2089         struct i40e_netdev_priv *np = netdev_priv(netdev);
2090         struct i40e_vsi *vsi = np->vsi;
2091         struct i40e_pf *pf = vsi->back;
2092         int i;
2093
2094         if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
2095                 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
2096
2097         /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */
2098         if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) {
2099                 netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n");
2100                 return -EINVAL;
2101         }
2102
2103         if (ec->rx_coalesce_usecs_high >= INTRL_REG_TO_USEC(I40E_MAX_INTRL)) {
2104                 netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-235\n");
2105                 return -EINVAL;
2106         }
2107
2108         if (ec->rx_coalesce_usecs == 0) {
2109                 if (ec->use_adaptive_rx_coalesce)
2110                         netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
2111         } else if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
2112                    (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
2113                         netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
2114                         return -EINVAL;
2115         }
2116
2117         vsi->int_rate_limit = ec->rx_coalesce_usecs_high;
2118
2119         if (ec->tx_coalesce_usecs == 0) {
2120                 if (ec->use_adaptive_tx_coalesce)
2121                         netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
2122         } else if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
2123                    (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
2124                         netif_info(pf, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n");
2125                         return -EINVAL;
2126         }
2127
2128         /* rx and tx usecs has per queue value. If user doesn't specify the queue,
2129          * apply to all queues.
2130          */
2131         if (queue < 0) {
2132                 for (i = 0; i < vsi->num_queue_pairs; i++)
2133                         i40e_set_itr_per_queue(vsi, ec, i);
2134         } else if (queue < vsi->num_queue_pairs) {
2135                 i40e_set_itr_per_queue(vsi, ec, queue);
2136         } else {
2137                 netif_info(pf, drv, netdev, "Invalid queue value, queue range is 0 - %d\n",
2138                            vsi->num_queue_pairs - 1);
2139                 return -EINVAL;
2140         }
2141
2142         return 0;
2143 }
2144
2145 /**
2146  * i40e_set_coalesce - set coalesce settings for every queue on the netdev
2147  * @netdev: the netdev to change
2148  * @ec: ethtool coalesce settings
2149  *
2150  * This will set each queue to the same coalesce settings.
2151  **/
2152 static int i40e_set_coalesce(struct net_device *netdev,
2153                              struct ethtool_coalesce *ec)
2154 {
2155         return __i40e_set_coalesce(netdev, ec, -1);
2156 }
2157
2158 /**
2159  * i40e_set_per_queue_coalesce - set specific queue's coalesce settings
2160  * @netdev: the netdev to change
2161  * @ec: ethtool's coalesce settings
2162  * @queue: the queue to change
2163  *
2164  * Sets the specified queue's coalesce settings.
2165  **/
2166 static int i40e_set_per_queue_coalesce(struct net_device *netdev, u32 queue,
2167                                        struct ethtool_coalesce *ec)
2168 {
2169         return __i40e_set_coalesce(netdev, ec, queue);
2170 }
2171
2172 /**
2173  * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
2174  * @pf: pointer to the physical function struct
2175  * @cmd: ethtool rxnfc command
2176  *
2177  * Returns Success if the flow is supported, else Invalid Input.
2178  **/
2179 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
2180 {
2181         struct i40e_hw *hw = &pf->hw;
2182         u8 flow_pctype = 0;
2183         u64 i_set = 0;
2184
2185         cmd->data = 0;
2186
2187         switch (cmd->flow_type) {
2188         case TCP_V4_FLOW:
2189                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2190                 break;
2191         case UDP_V4_FLOW:
2192                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2193                 break;
2194         case TCP_V6_FLOW:
2195                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
2196                 break;
2197         case UDP_V6_FLOW:
2198                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
2199                 break;
2200         case SCTP_V4_FLOW:
2201         case AH_ESP_V4_FLOW:
2202         case AH_V4_FLOW:
2203         case ESP_V4_FLOW:
2204         case IPV4_FLOW:
2205         case SCTP_V6_FLOW:
2206         case AH_ESP_V6_FLOW:
2207         case AH_V6_FLOW:
2208         case ESP_V6_FLOW:
2209         case IPV6_FLOW:
2210                 /* Default is src/dest for IP, no matter the L4 hashing */
2211                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2212                 break;
2213         default:
2214                 return -EINVAL;
2215         }
2216
2217         /* Read flow based hash input set register */
2218         if (flow_pctype) {
2219                 i_set = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
2220                                               flow_pctype)) |
2221                         ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
2222                                                flow_pctype)) << 32);
2223         }
2224
2225         /* Process bits of hash input set */
2226         if (i_set) {
2227                 if (i_set & I40E_L4_SRC_MASK)
2228                         cmd->data |= RXH_L4_B_0_1;
2229                 if (i_set & I40E_L4_DST_MASK)
2230                         cmd->data |= RXH_L4_B_2_3;
2231
2232                 if (cmd->flow_type == TCP_V4_FLOW ||
2233                     cmd->flow_type == UDP_V4_FLOW) {
2234                         if (i_set & I40E_L3_SRC_MASK)
2235                                 cmd->data |= RXH_IP_SRC;
2236                         if (i_set & I40E_L3_DST_MASK)
2237                                 cmd->data |= RXH_IP_DST;
2238                 } else if (cmd->flow_type == TCP_V6_FLOW ||
2239                           cmd->flow_type == UDP_V6_FLOW) {
2240                         if (i_set & I40E_L3_V6_SRC_MASK)
2241                                 cmd->data |= RXH_IP_SRC;
2242                         if (i_set & I40E_L3_V6_DST_MASK)
2243                                 cmd->data |= RXH_IP_DST;
2244                 }
2245         }
2246
2247         return 0;
2248 }
2249
2250 /**
2251  * i40e_get_ethtool_fdir_all - Populates the rule count of a command
2252  * @pf: Pointer to the physical function struct
2253  * @cmd: The command to get or set Rx flow classification rules
2254  * @rule_locs: Array of used rule locations
2255  *
2256  * This function populates both the total and actual rule count of
2257  * the ethtool flow classification command
2258  *
2259  * Returns 0 on success or -EMSGSIZE if entry not found
2260  **/
2261 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
2262                                      struct ethtool_rxnfc *cmd,
2263                                      u32 *rule_locs)
2264 {
2265         struct i40e_fdir_filter *rule;
2266         struct hlist_node *node2;
2267         int cnt = 0;
2268
2269         /* report total rule count */
2270         cmd->data = i40e_get_fd_cnt_all(pf);
2271
2272         hlist_for_each_entry_safe(rule, node2,
2273                                   &pf->fdir_filter_list, fdir_node) {
2274                 if (cnt == cmd->rule_cnt)
2275                         return -EMSGSIZE;
2276
2277                 rule_locs[cnt] = rule->fd_id;
2278                 cnt++;
2279         }
2280
2281         cmd->rule_cnt = cnt;
2282
2283         return 0;
2284 }
2285
2286 /**
2287  * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
2288  * @pf: Pointer to the physical function struct
2289  * @cmd: The command to get or set Rx flow classification rules
2290  *
2291  * This function looks up a filter based on the Rx flow classification
2292  * command and fills the flow spec info for it if found
2293  *
2294  * Returns 0 on success or -EINVAL if filter not found
2295  **/
2296 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
2297                                        struct ethtool_rxnfc *cmd)
2298 {
2299         struct ethtool_rx_flow_spec *fsp =
2300                         (struct ethtool_rx_flow_spec *)&cmd->fs;
2301         struct i40e_fdir_filter *rule = NULL;
2302         struct hlist_node *node2;
2303
2304         hlist_for_each_entry_safe(rule, node2,
2305                                   &pf->fdir_filter_list, fdir_node) {
2306                 if (fsp->location <= rule->fd_id)
2307                         break;
2308         }
2309
2310         if (!rule || fsp->location != rule->fd_id)
2311                 return -EINVAL;
2312
2313         fsp->flow_type = rule->flow_type;
2314         if (fsp->flow_type == IP_USER_FLOW) {
2315                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2316                 fsp->h_u.usr_ip4_spec.proto = 0;
2317                 fsp->m_u.usr_ip4_spec.proto = 0;
2318         }
2319
2320         /* Reverse the src and dest notion, since the HW views them from
2321          * Tx perspective where as the user expects it from Rx filter view.
2322          */
2323         fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2324         fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
2325         fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
2326         fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
2327
2328         if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2329                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2330         else
2331                 fsp->ring_cookie = rule->q_index;
2332
2333         if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2334                 struct i40e_vsi *vsi;
2335
2336                 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2337                 if (vsi && vsi->type == I40E_VSI_SRIOV) {
2338                         fsp->h_ext.data[1] = htonl(vsi->vf_id);
2339                         fsp->m_ext.data[1] = htonl(0x1);
2340                 }
2341         }
2342
2343         return 0;
2344 }
2345
2346 /**
2347  * i40e_get_rxnfc - command to get RX flow classification rules
2348  * @netdev: network interface device structure
2349  * @cmd: ethtool rxnfc command
2350  *
2351  * Returns Success if the command is supported.
2352  **/
2353 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2354                           u32 *rule_locs)
2355 {
2356         struct i40e_netdev_priv *np = netdev_priv(netdev);
2357         struct i40e_vsi *vsi = np->vsi;
2358         struct i40e_pf *pf = vsi->back;
2359         int ret = -EOPNOTSUPP;
2360
2361         switch (cmd->cmd) {
2362         case ETHTOOL_GRXRINGS:
2363                 cmd->data = vsi->num_queue_pairs;
2364                 ret = 0;
2365                 break;
2366         case ETHTOOL_GRXFH:
2367                 ret = i40e_get_rss_hash_opts(pf, cmd);
2368                 break;
2369         case ETHTOOL_GRXCLSRLCNT:
2370                 cmd->rule_cnt = pf->fdir_pf_active_filters;
2371                 /* report total rule count */
2372                 cmd->data = i40e_get_fd_cnt_all(pf);
2373                 ret = 0;
2374                 break;
2375         case ETHTOOL_GRXCLSRULE:
2376                 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2377                 break;
2378         case ETHTOOL_GRXCLSRLALL:
2379                 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2380                 break;
2381         default:
2382                 break;
2383         }
2384
2385         return ret;
2386 }
2387
2388 /**
2389  * i40e_get_rss_hash_bits - Read RSS Hash bits from register
2390  * @nfc: pointer to user request
2391  * @i_setc bits currently set
2392  *
2393  * Returns value of bits to be set per user request
2394  **/
2395 static u64 i40e_get_rss_hash_bits(struct ethtool_rxnfc *nfc, u64 i_setc)
2396 {
2397         u64 i_set = i_setc;
2398         u64 src_l3 = 0, dst_l3 = 0;
2399
2400         if (nfc->data & RXH_L4_B_0_1)
2401                 i_set |= I40E_L4_SRC_MASK;
2402         else
2403                 i_set &= ~I40E_L4_SRC_MASK;
2404         if (nfc->data & RXH_L4_B_2_3)
2405                 i_set |= I40E_L4_DST_MASK;
2406         else
2407                 i_set &= ~I40E_L4_DST_MASK;
2408
2409         if (nfc->flow_type == TCP_V6_FLOW || nfc->flow_type == UDP_V6_FLOW) {
2410                 src_l3 = I40E_L3_V6_SRC_MASK;
2411                 dst_l3 = I40E_L3_V6_DST_MASK;
2412         } else if (nfc->flow_type == TCP_V4_FLOW ||
2413                   nfc->flow_type == UDP_V4_FLOW) {
2414                 src_l3 = I40E_L3_SRC_MASK;
2415                 dst_l3 = I40E_L3_DST_MASK;
2416         } else {
2417                 /* Any other flow type are not supported here */
2418                 return i_set;
2419         }
2420
2421         if (nfc->data & RXH_IP_SRC)
2422                 i_set |= src_l3;
2423         else
2424                 i_set &= ~src_l3;
2425         if (nfc->data & RXH_IP_DST)
2426                 i_set |= dst_l3;
2427         else
2428                 i_set &= ~dst_l3;
2429
2430         return i_set;
2431 }
2432
2433 /**
2434  * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2435  * @pf: pointer to the physical function struct
2436  * @cmd: ethtool rxnfc command
2437  *
2438  * Returns Success if the flow input set is supported.
2439  **/
2440 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2441 {
2442         struct i40e_hw *hw = &pf->hw;
2443         u64 hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) |
2444                    ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32);
2445         u8 flow_pctype = 0;
2446         u64 i_set, i_setc;
2447
2448         /* RSS does not support anything other than hashing
2449          * to queues on src and dst IPs and ports
2450          */
2451         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2452                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2453                 return -EINVAL;
2454
2455         switch (nfc->flow_type) {
2456         case TCP_V4_FLOW:
2457                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2458                 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2459                         hena |=
2460                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
2461                 break;
2462         case TCP_V6_FLOW:
2463                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
2464                 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2465                         hena |=
2466                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
2467                 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2468                         hena |=
2469                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK);
2470                 break;
2471         case UDP_V4_FLOW:
2472                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2473                 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2474                         hena |=
2475                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
2476                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP);
2477
2478                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2479                 break;
2480         case UDP_V6_FLOW:
2481                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
2482                 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2483                         hena |=
2484                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
2485                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP);
2486
2487                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2488                 break;
2489         case AH_ESP_V4_FLOW:
2490         case AH_V4_FLOW:
2491         case ESP_V4_FLOW:
2492         case SCTP_V4_FLOW:
2493                 if ((nfc->data & RXH_L4_B_0_1) ||
2494                     (nfc->data & RXH_L4_B_2_3))
2495                         return -EINVAL;
2496                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2497                 break;
2498         case AH_ESP_V6_FLOW:
2499         case AH_V6_FLOW:
2500         case ESP_V6_FLOW:
2501         case SCTP_V6_FLOW:
2502                 if ((nfc->data & RXH_L4_B_0_1) ||
2503                     (nfc->data & RXH_L4_B_2_3))
2504                         return -EINVAL;
2505                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2506                 break;
2507         case IPV4_FLOW:
2508                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2509                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2510                 break;
2511         case IPV6_FLOW:
2512                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2513                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2514                 break;
2515         default:
2516                 return -EINVAL;
2517         }
2518
2519         if (flow_pctype) {
2520                 i_setc = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
2521                                                flow_pctype)) |
2522                         ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
2523                                                flow_pctype)) << 32);
2524                 i_set = i40e_get_rss_hash_bits(nfc, i_setc);
2525                 i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, flow_pctype),
2526                                   (u32)i_set);
2527                 i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, flow_pctype),
2528                                   (u32)(i_set >> 32));
2529                 hena |= BIT_ULL(flow_pctype);
2530         }
2531
2532         i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (u32)hena);
2533         i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2534         i40e_flush(hw);
2535
2536         return 0;
2537 }
2538
2539 /**
2540  * i40e_match_fdir_input_set - Match a new filter against an existing one
2541  * @rule: The filter already added
2542  * @input: The new filter to comapre against
2543  *
2544  * Returns true if the two input set match
2545  **/
2546 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2547                                       struct i40e_fdir_filter *input)
2548 {
2549         if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2550             (rule->src_ip[0] != input->src_ip[0]) ||
2551             (rule->dst_port != input->dst_port) ||
2552             (rule->src_port != input->src_port))
2553                 return false;
2554         return true;
2555 }
2556
2557 /**
2558  * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2559  * @vsi: Pointer to the targeted VSI
2560  * @input: The filter to update or NULL to indicate deletion
2561  * @sw_idx: Software index to the filter
2562  * @cmd: The command to get or set Rx flow classification rules
2563  *
2564  * This function updates (or deletes) a Flow Director entry from
2565  * the hlist of the corresponding PF
2566  *
2567  * Returns 0 on success
2568  **/
2569 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2570                                           struct i40e_fdir_filter *input,
2571                                           u16 sw_idx,
2572                                           struct ethtool_rxnfc *cmd)
2573 {
2574         struct i40e_fdir_filter *rule, *parent;
2575         struct i40e_pf *pf = vsi->back;
2576         struct hlist_node *node2;
2577         int err = -EINVAL;
2578
2579         parent = NULL;
2580         rule = NULL;
2581
2582         hlist_for_each_entry_safe(rule, node2,
2583                                   &pf->fdir_filter_list, fdir_node) {
2584                 /* hash found, or no matching entry */
2585                 if (rule->fd_id >= sw_idx)
2586                         break;
2587                 parent = rule;
2588         }
2589
2590         /* if there is an old rule occupying our place remove it */
2591         if (rule && (rule->fd_id == sw_idx)) {
2592                 if (input && !i40e_match_fdir_input_set(rule, input))
2593                         err = i40e_add_del_fdir(vsi, rule, false);
2594                 else if (!input)
2595                         err = i40e_add_del_fdir(vsi, rule, false);
2596                 hlist_del(&rule->fdir_node);
2597                 kfree(rule);
2598                 pf->fdir_pf_active_filters--;
2599         }
2600
2601         /* If no input this was a delete, err should be 0 if a rule was
2602          * successfully found and removed from the list else -EINVAL
2603          */
2604         if (!input)
2605                 return err;
2606
2607         /* initialize node and set software index */
2608         INIT_HLIST_NODE(&input->fdir_node);
2609
2610         /* add filter to the list */
2611         if (parent)
2612                 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2613         else
2614                 hlist_add_head(&input->fdir_node,
2615                                &pf->fdir_filter_list);
2616
2617         /* update counts */
2618         pf->fdir_pf_active_filters++;
2619
2620         return 0;
2621 }
2622
2623 /**
2624  * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2625  * @vsi: Pointer to the targeted VSI
2626  * @cmd: The command to get or set Rx flow classification rules
2627  *
2628  * The function removes a Flow Director filter entry from the
2629  * hlist of the corresponding PF
2630  *
2631  * Returns 0 on success
2632  */
2633 static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2634                                struct ethtool_rxnfc *cmd)
2635 {
2636         struct ethtool_rx_flow_spec *fsp =
2637                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2638         struct i40e_pf *pf = vsi->back;
2639         int ret = 0;
2640
2641         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2642             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2643                 return -EBUSY;
2644
2645         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2646                 return -EBUSY;
2647
2648         ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2649
2650         i40e_fdir_check_and_reenable(pf);
2651         return ret;
2652 }
2653
2654 /**
2655  * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2656  * @vsi: pointer to the targeted VSI
2657  * @cmd: command to get or set RX flow classification rules
2658  *
2659  * Add Flow Director filters for a specific flow spec based on their
2660  * protocol.  Returns 0 if the filters were successfully added.
2661  **/
2662 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2663                                  struct ethtool_rxnfc *cmd)
2664 {
2665         struct ethtool_rx_flow_spec *fsp;
2666         struct i40e_fdir_filter *input;
2667         struct i40e_pf *pf;
2668         int ret = -EINVAL;
2669         u16 vf_id;
2670
2671         if (!vsi)
2672                 return -EINVAL;
2673         pf = vsi->back;
2674
2675         if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2676                 return -EOPNOTSUPP;
2677
2678         if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2679                 return -ENOSPC;
2680
2681         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2682             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2683                 return -EBUSY;
2684
2685         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2686                 return -EBUSY;
2687
2688         fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2689
2690         if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2691                               pf->hw.func_caps.fd_filters_guaranteed)) {
2692                 return -EINVAL;
2693         }
2694
2695         if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2696             (fsp->ring_cookie >= vsi->num_queue_pairs))
2697                 return -EINVAL;
2698
2699         input = kzalloc(sizeof(*input), GFP_KERNEL);
2700
2701         if (!input)
2702                 return -ENOMEM;
2703
2704         input->fd_id = fsp->location;
2705
2706         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2707                 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2708         else
2709                 input->dest_ctl =
2710                              I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2711
2712         input->q_index = fsp->ring_cookie;
2713         input->flex_off = 0;
2714         input->pctype = 0;
2715         input->dest_vsi = vsi->id;
2716         input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2717         input->cnt_index  = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2718         input->flow_type = fsp->flow_type;
2719         input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2720
2721         /* Reverse the src and dest notion, since the HW expects them to be from
2722          * Tx perspective where as the input from user is from Rx filter view.
2723          */
2724         input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2725         input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2726         input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2727         input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2728
2729         if (ntohl(fsp->m_ext.data[1])) {
2730                 vf_id = ntohl(fsp->h_ext.data[1]);
2731                 if (vf_id >= pf->num_alloc_vfs) {
2732                         netif_info(pf, drv, vsi->netdev,
2733                                    "Invalid VF id %d\n", vf_id);
2734                         goto free_input;
2735                 }
2736                 /* Find vsi id from vf id and override dest vsi */
2737                 input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2738                 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2739                         netif_info(pf, drv, vsi->netdev,
2740                                    "Invalid queue id %d for VF %d\n",
2741                                    input->q_index, vf_id);
2742                         goto free_input;
2743                 }
2744         }
2745
2746         ret = i40e_add_del_fdir(vsi, input, true);
2747 free_input:
2748         if (ret)
2749                 kfree(input);
2750         else
2751                 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2752
2753         return ret;
2754 }
2755
2756 /**
2757  * i40e_set_rxnfc - command to set RX flow classification rules
2758  * @netdev: network interface device structure
2759  * @cmd: ethtool rxnfc command
2760  *
2761  * Returns Success if the command is supported.
2762  **/
2763 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2764 {
2765         struct i40e_netdev_priv *np = netdev_priv(netdev);
2766         struct i40e_vsi *vsi = np->vsi;
2767         struct i40e_pf *pf = vsi->back;
2768         int ret = -EOPNOTSUPP;
2769
2770         switch (cmd->cmd) {
2771         case ETHTOOL_SRXFH:
2772                 ret = i40e_set_rss_hash_opt(pf, cmd);
2773                 break;
2774         case ETHTOOL_SRXCLSRLINS:
2775                 ret = i40e_add_fdir_ethtool(vsi, cmd);
2776                 break;
2777         case ETHTOOL_SRXCLSRLDEL:
2778                 ret = i40e_del_fdir_entry(vsi, cmd);
2779                 break;
2780         default:
2781                 break;
2782         }
2783
2784         return ret;
2785 }
2786
2787 /**
2788  * i40e_max_channels - get Max number of combined channels supported
2789  * @vsi: vsi pointer
2790  **/
2791 static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2792 {
2793         /* TODO: This code assumes DCB and FD is disabled for now. */
2794         return vsi->alloc_queue_pairs;
2795 }
2796
2797 /**
2798  * i40e_get_channels - Get the current channels enabled and max supported etc.
2799  * @netdev: network interface device structure
2800  * @ch: ethtool channels structure
2801  *
2802  * We don't support separate tx and rx queues as channels. The other count
2803  * represents how many queues are being used for control. max_combined counts
2804  * how many queue pairs we can support. They may not be mapped 1 to 1 with
2805  * q_vectors since we support a lot more queue pairs than q_vectors.
2806  **/
2807 static void i40e_get_channels(struct net_device *dev,
2808                                struct ethtool_channels *ch)
2809 {
2810         struct i40e_netdev_priv *np = netdev_priv(dev);
2811         struct i40e_vsi *vsi = np->vsi;
2812         struct i40e_pf *pf = vsi->back;
2813
2814         /* report maximum channels */
2815         ch->max_combined = i40e_max_channels(vsi);
2816
2817         /* report info for other vector */
2818         ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2819         ch->max_other = ch->other_count;
2820
2821         /* Note: This code assumes DCB is disabled for now. */
2822         ch->combined_count = vsi->num_queue_pairs;
2823 }
2824
2825 /**
2826  * i40e_set_channels - Set the new channels count.
2827  * @netdev: network interface device structure
2828  * @ch: ethtool channels structure
2829  *
2830  * The new channels count may not be the same as requested by the user
2831  * since it gets rounded down to a power of 2 value.
2832  **/
2833 static int i40e_set_channels(struct net_device *dev,
2834                               struct ethtool_channels *ch)
2835 {
2836         const u8 drop = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2837         struct i40e_netdev_priv *np = netdev_priv(dev);
2838         unsigned int count = ch->combined_count;
2839         struct i40e_vsi *vsi = np->vsi;
2840         struct i40e_pf *pf = vsi->back;
2841         struct i40e_fdir_filter *rule;
2842         struct hlist_node *node2;
2843         int new_count;
2844         int err = 0;
2845
2846         /* We do not support setting channels for any other VSI at present */
2847         if (vsi->type != I40E_VSI_MAIN)
2848                 return -EINVAL;
2849
2850         /* verify they are not requesting separate vectors */
2851         if (!count || ch->rx_count || ch->tx_count)
2852                 return -EINVAL;
2853
2854         /* verify other_count has not changed */
2855         if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2856                 return -EINVAL;
2857
2858         /* verify the number of channels does not exceed hardware limits */
2859         if (count > i40e_max_channels(vsi))
2860                 return -EINVAL;
2861
2862         /* verify that the number of channels does not invalidate any current
2863          * flow director rules
2864          */
2865         hlist_for_each_entry_safe(rule, node2,
2866                                   &pf->fdir_filter_list, fdir_node) {
2867                 if (rule->dest_ctl != drop && count <= rule->q_index) {
2868                         dev_warn(&pf->pdev->dev,
2869                                  "Existing user defined filter %d assigns flow to queue %d\n",
2870                                  rule->fd_id, rule->q_index);
2871                         err = -EINVAL;
2872                 }
2873         }
2874
2875         if (err) {
2876                 dev_err(&pf->pdev->dev,
2877                         "Existing filter rules must be deleted to reduce combined channel count to %d\n",
2878                         count);
2879                 return err;
2880         }
2881
2882         /* update feature limits from largest to smallest supported values */
2883         /* TODO: Flow director limit, DCB etc */
2884
2885         /* use rss_reconfig to rebuild with new queue count and update traffic
2886          * class queue mapping
2887          */
2888         new_count = i40e_reconfig_rss_queues(pf, count);
2889         if (new_count > 0)
2890                 return 0;
2891         else
2892                 return -EINVAL;
2893 }
2894
2895 /**
2896  * i40e_get_rxfh_key_size - get the RSS hash key size
2897  * @netdev: network interface device structure
2898  *
2899  * Returns the table size.
2900  **/
2901 static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2902 {
2903         return I40E_HKEY_ARRAY_SIZE;
2904 }
2905
2906 /**
2907  * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2908  * @netdev: network interface device structure
2909  *
2910  * Returns the table size.
2911  **/
2912 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2913 {
2914         return I40E_HLUT_ARRAY_SIZE;
2915 }
2916
2917 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2918                          u8 *hfunc)
2919 {
2920         struct i40e_netdev_priv *np = netdev_priv(netdev);
2921         struct i40e_vsi *vsi = np->vsi;
2922         u8 *lut, *seed = NULL;
2923         int ret;
2924         u16 i;
2925
2926         if (hfunc)
2927                 *hfunc = ETH_RSS_HASH_TOP;
2928
2929         if (!indir)
2930                 return 0;
2931
2932         seed = key;
2933         lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
2934         if (!lut)
2935                 return -ENOMEM;
2936         ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE);
2937         if (ret)
2938                 goto out;
2939         for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
2940                 indir[i] = (u32)(lut[i]);
2941
2942 out:
2943         kfree(lut);
2944
2945         return ret;
2946 }
2947
2948 /**
2949  * i40e_set_rxfh - set the rx flow hash indirection table
2950  * @netdev: network interface device structure
2951  * @indir: indirection table
2952  * @key: hash key
2953  *
2954  * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2955  * returns 0 after programming the table.
2956  **/
2957 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2958                          const u8 *key, const u8 hfunc)
2959 {
2960         struct i40e_netdev_priv *np = netdev_priv(netdev);
2961         struct i40e_vsi *vsi = np->vsi;
2962         struct i40e_pf *pf = vsi->back;
2963         u8 *seed = NULL;
2964         u16 i;
2965
2966         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
2967                 return -EOPNOTSUPP;
2968
2969         if (key) {
2970                 if (!vsi->rss_hkey_user) {
2971                         vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE,
2972                                                      GFP_KERNEL);
2973                         if (!vsi->rss_hkey_user)
2974                                 return -ENOMEM;
2975                 }
2976                 memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE);
2977                 seed = vsi->rss_hkey_user;
2978         }
2979         if (!vsi->rss_lut_user) {
2980                 vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
2981                 if (!vsi->rss_lut_user)
2982                         return -ENOMEM;
2983         }
2984
2985         /* Each 32 bits pointed by 'indir' is stored with a lut entry */
2986         if (indir)
2987                 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
2988                         vsi->rss_lut_user[i] = (u8)(indir[i]);
2989         else
2990                 i40e_fill_rss_lut(pf, vsi->rss_lut_user, I40E_HLUT_ARRAY_SIZE,
2991                                   vsi->rss_size);
2992
2993         return i40e_config_rss(vsi, seed, vsi->rss_lut_user,
2994                                I40E_HLUT_ARRAY_SIZE);
2995 }
2996
2997 /**
2998  * i40e_get_priv_flags - report device private flags
2999  * @dev: network interface device structure
3000  *
3001  * The get string set count and the string set should be matched for each
3002  * flag returned.  Add new strings for each flag to the i40e_priv_flags_strings
3003  * array.
3004  *
3005  * Returns a u32 bitmap of flags.
3006  **/
3007 static u32 i40e_get_priv_flags(struct net_device *dev)
3008 {
3009         struct i40e_netdev_priv *np = netdev_priv(dev);
3010         struct i40e_vsi *vsi = np->vsi;
3011         struct i40e_pf *pf = vsi->back;
3012         u32 ret_flags = 0;
3013
3014         ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ?
3015                 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0;
3016         ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ?
3017                 I40E_PRIV_FLAGS_FD_ATR : 0;
3018         ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ?
3019                 I40E_PRIV_FLAGS_VEB_STATS : 0;
3020         ret_flags |= pf->auto_disable_flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE ?
3021                 0 : I40E_PRIV_FLAGS_HW_ATR_EVICT;
3022         if (pf->hw.pf_id == 0) {
3023                 ret_flags |= pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT ?
3024                         I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT : 0;
3025         }
3026
3027         return ret_flags;
3028 }
3029
3030 /**
3031  * i40e_set_priv_flags - set private flags
3032  * @dev: network interface device structure
3033  * @flags: bit flags to be set
3034  **/
3035 static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
3036 {
3037         struct i40e_netdev_priv *np = netdev_priv(dev);
3038         struct i40e_vsi *vsi = np->vsi;
3039         struct i40e_pf *pf = vsi->back;
3040         u16 sw_flags = 0, valid_flags = 0;
3041         bool reset_required = false;
3042         bool promisc_change = false;
3043         int ret;
3044
3045         /* NOTE: MFP is not settable */
3046
3047         if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
3048                 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
3049         else
3050                 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;
3051
3052         /* allow the user to control the state of the Flow
3053          * Director ATR (Application Targeted Routing) feature
3054          * of the driver
3055          */
3056         if (flags & I40E_PRIV_FLAGS_FD_ATR) {
3057                 pf->flags |= I40E_FLAG_FD_ATR_ENABLED;
3058         } else {
3059                 pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED;
3060                 pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED;
3061
3062                 /* flush current ATR settings */
3063                 set_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state);
3064         }
3065
3066         if ((flags & I40E_PRIV_FLAGS_VEB_STATS) &&
3067             !(pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
3068                 pf->flags |= I40E_FLAG_VEB_STATS_ENABLED;
3069                 reset_required = true;
3070         } else if (!(flags & I40E_PRIV_FLAGS_VEB_STATS) &&
3071                    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
3072                 pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED;
3073                 reset_required = true;
3074         }
3075
3076         if (pf->hw.pf_id == 0) {
3077                 if ((flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) &&
3078                     !(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) {
3079                         pf->flags |= I40E_FLAG_TRUE_PROMISC_SUPPORT;
3080                         promisc_change = true;
3081                 } else if (!(flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) &&
3082                            (pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) {
3083                         pf->flags &= ~I40E_FLAG_TRUE_PROMISC_SUPPORT;
3084                         promisc_change = true;
3085                 }
3086         }
3087         if (promisc_change) {
3088                 if (!(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT))
3089                         sw_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
3090                 valid_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
3091                 ret = i40e_aq_set_switch_config(&pf->hw, sw_flags, valid_flags,
3092                                                 NULL);
3093                 if (ret && pf->hw.aq.asq_last_status != I40E_AQ_RC_ESRCH) {
3094                         dev_info(&pf->pdev->dev,
3095                                  "couldn't set switch config bits, err %s aq_err %s\n",
3096                                  i40e_stat_str(&pf->hw, ret),
3097                                  i40e_aq_str(&pf->hw,
3098                                              pf->hw.aq.asq_last_status));
3099                         /* not a fatal problem, just keep going */
3100                 }
3101         }
3102
3103         if ((flags & I40E_PRIV_FLAGS_HW_ATR_EVICT) &&
3104             (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE))
3105                 pf->auto_disable_flags &= ~I40E_FLAG_HW_ATR_EVICT_CAPABLE;
3106         else
3107                 pf->auto_disable_flags |= I40E_FLAG_HW_ATR_EVICT_CAPABLE;
3108
3109         /* if needed, issue reset to cause things to take effect */
3110         if (reset_required)
3111                 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
3112
3113         return 0;
3114 }
3115
3116 static const struct ethtool_ops i40e_ethtool_ops = {
3117         .get_settings           = i40e_get_settings,
3118         .set_settings           = i40e_set_settings,
3119         .get_drvinfo            = i40e_get_drvinfo,
3120         .get_regs_len           = i40e_get_regs_len,
3121         .get_regs               = i40e_get_regs,
3122         .nway_reset             = i40e_nway_reset,
3123         .get_link               = ethtool_op_get_link,
3124         .get_wol                = i40e_get_wol,
3125         .set_wol                = i40e_set_wol,
3126         .set_eeprom             = i40e_set_eeprom,
3127         .get_eeprom_len         = i40e_get_eeprom_len,
3128         .get_eeprom             = i40e_get_eeprom,
3129         .get_ringparam          = i40e_get_ringparam,
3130         .set_ringparam          = i40e_set_ringparam,
3131         .get_pauseparam         = i40e_get_pauseparam,
3132         .set_pauseparam         = i40e_set_pauseparam,
3133         .get_msglevel           = i40e_get_msglevel,
3134         .set_msglevel           = i40e_set_msglevel,
3135         .get_rxnfc              = i40e_get_rxnfc,
3136         .set_rxnfc              = i40e_set_rxnfc,
3137         .self_test              = i40e_diag_test,
3138         .get_strings            = i40e_get_strings,
3139         .set_phys_id            = i40e_set_phys_id,
3140         .get_sset_count         = i40e_get_sset_count,
3141         .get_ethtool_stats      = i40e_get_ethtool_stats,
3142         .get_coalesce           = i40e_get_coalesce,
3143         .set_coalesce           = i40e_set_coalesce,
3144         .get_rxfh_key_size      = i40e_get_rxfh_key_size,
3145         .get_rxfh_indir_size    = i40e_get_rxfh_indir_size,
3146         .get_rxfh               = i40e_get_rxfh,
3147         .set_rxfh               = i40e_set_rxfh,
3148         .get_channels           = i40e_get_channels,
3149         .set_channels           = i40e_set_channels,
3150         .get_ts_info            = i40e_get_ts_info,
3151         .get_priv_flags         = i40e_get_priv_flags,
3152         .set_priv_flags         = i40e_set_priv_flags,
3153         .get_per_queue_coalesce = i40e_get_per_queue_coalesce,
3154         .set_per_queue_coalesce = i40e_set_per_queue_coalesce,
3155 };
3156
3157 void i40e_set_ethtool_ops(struct net_device *netdev)
3158 {
3159         netdev->ethtool_ops = &i40e_ethtool_ops;
3160 }