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         struct i40e_link_status *hw_link_info = &pf->hw.phy.link_info;
 269         u64 phy_types = pf->hw.phy.phy_types;
 270
 271         *supported = 0x0;
 272         *advertising = 0x0;
 273
 274         if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
 275                 *supported |= SUPPORTED_Autoneg |
 276                               SUPPORTED_1000baseT_Full;
 277                 *advertising |= ADVERTISED_Autoneg;
 278                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 279                         *advertising |= ADVERTISED_1000baseT_Full;
 280                 if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
 281                         *supported |= SUPPORTED_100baseT_Full;
 282                         *advertising |= ADVERTISED_100baseT_Full;
 283                 }
 284         }
 285         if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
 286             phy_types & I40E_CAP_PHY_TYPE_XFI ||
 287             phy_types & I40E_CAP_PHY_TYPE_SFI ||
 288             phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
 289             phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC)
 290                 *supported |= SUPPORTED_10000baseT_Full;
 291         if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
 292             phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
 293             phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
 294             phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
 295             phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
 296                 *supported |= SUPPORTED_Autoneg |
 297                               SUPPORTED_10000baseT_Full;
 298                 *advertising |= ADVERTISED_Autoneg;
 299                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 300                         *advertising |= ADVERTISED_10000baseT_Full;
 301         }
 302         if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
 303             phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
 304             phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
 305                 *supported |= SUPPORTED_40000baseCR4_Full;
 306         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
 307             phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
 308                 *supported |= SUPPORTED_Autoneg |
 309                               SUPPORTED_40000baseCR4_Full;
 310                 *advertising |= ADVERTISED_Autoneg;
 311                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_40GB)
 312                         *advertising |= ADVERTISED_40000baseCR4_Full;
 313         }
 314         if (phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) {
 315                 *supported |= SUPPORTED_Autoneg |
 316                               SUPPORTED_100baseT_Full;
 317                 *advertising |= ADVERTISED_Autoneg;
 318                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 319                         *advertising |= ADVERTISED_100baseT_Full;
 320         }
 321         if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
 322             phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
 323             phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
 324             phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
 325                 *supported |= SUPPORTED_Autoneg |
 326                               SUPPORTED_1000baseT_Full;
 327                 *advertising |= ADVERTISED_Autoneg;
 328                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 329                         *advertising |= ADVERTISED_1000baseT_Full;
 330         }
 331         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
 332                 *supported |= SUPPORTED_40000baseSR4_Full;
 333         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
 334                 *supported |= SUPPORTED_40000baseLR4_Full;
 335         if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
 336                 *supported |= SUPPORTED_40000baseKR4_Full |
 337                               SUPPORTED_Autoneg;
 338                 *advertising |= ADVERTISED_40000baseKR4_Full |
 339                                 ADVERTISED_Autoneg;
 340         }
 341         if (phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
 342                 *supported |= SUPPORTED_20000baseKR2_Full |
 343                               SUPPORTED_Autoneg;
 344                 *advertising |= ADVERTISED_Autoneg;
 345                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_20GB)
 346                         *advertising |= ADVERTISED_20000baseKR2_Full;
 347         }
 348         if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
 349                 if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
 350                         *supported |= SUPPORTED_10000baseKR_Full |
 351                                       SUPPORTED_Autoneg;
 352                 *advertising |= ADVERTISED_Autoneg;
 353                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 354                         if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
 355                                 *advertising |= ADVERTISED_10000baseKR_Full;
 356         }
 357         if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
 358                 *supported |= SUPPORTED_10000baseKX4_Full |
 359                               SUPPORTED_Autoneg;
 360                 *advertising |= ADVERTISED_Autoneg;
 361                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 362                         *advertising |= ADVERTISED_10000baseKX4_Full;
 363         }
 364         if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
 365                 if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
 366                         *supported |= SUPPORTED_1000baseKX_Full |
 367                                       SUPPORTED_Autoneg;
 368                 *advertising |= ADVERTISED_Autoneg;
 369                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 370                         if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
 371                                 *advertising |= ADVERTISED_1000baseKX_Full;
 372         }
 373         if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_KR ||
 374             phy_types & I40E_CAP_PHY_TYPE_25GBASE_CR ||
 375             phy_types & I40E_CAP_PHY_TYPE_25GBASE_SR ||
 376             phy_types & I40E_CAP_PHY_TYPE_25GBASE_LR) {
 377                 *supported |= SUPPORTED_Autoneg;
 378                 *advertising |= ADVERTISED_Autoneg;
 379         }
 380 }
 381
 382 /**
 383  * i40e_get_settings_link_up - Get the Link settings for when link is up
 384  * @hw: hw structure
 385  * @ecmd: ethtool command to fill in
 386  * @netdev: network interface device structure
 387  *
 388  **/
 389 static void i40e_get_settings_link_up(struct i40e_hw *hw,
 390                                       struct ethtool_cmd *ecmd,
 391                                       struct net_device *netdev,
 392                                       struct i40e_pf *pf)
 393 {
 394         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 395         u32 link_speed = hw_link_info->link_speed;
 396         u32 e_advertising = 0x0;
 397         u32 e_supported = 0x0;
 398
 399         /* Initialize supported and advertised settings based on phy settings */
 400         switch (hw_link_info->phy_type) {
 401         case I40E_PHY_TYPE_40GBASE_CR4:
 402         case I40E_PHY_TYPE_40GBASE_CR4_CU:
 403                 ecmd->supported = SUPPORTED_Autoneg |
 404                                   SUPPORTED_40000baseCR4_Full;
 405                 ecmd->advertising = ADVERTISED_Autoneg |
 406                                     ADVERTISED_40000baseCR4_Full;
 407                 break;
 408         case I40E_PHY_TYPE_XLAUI:
 409         case I40E_PHY_TYPE_XLPPI:
 410         case I40E_PHY_TYPE_40GBASE_AOC:
 411                 ecmd->supported = SUPPORTED_40000baseCR4_Full;
 412                 break;
 413         case I40E_PHY_TYPE_40GBASE_SR4:
 414                 ecmd->supported = SUPPORTED_40000baseSR4_Full;
 415                 break;
 416         case I40E_PHY_TYPE_40GBASE_LR4:
 417                 ecmd->supported = SUPPORTED_40000baseLR4_Full;
 418                 break;
 419         case I40E_PHY_TYPE_10GBASE_SR:
 420         case I40E_PHY_TYPE_10GBASE_LR:
 421         case I40E_PHY_TYPE_1000BASE_SX:
 422         case I40E_PHY_TYPE_1000BASE_LX:
 423                 ecmd->supported = SUPPORTED_10000baseT_Full;
 424                 if (hw_link_info->module_type[2] &
 425                     I40E_MODULE_TYPE_1000BASE_SX ||
 426                     hw_link_info->module_type[2] &
 427                     I40E_MODULE_TYPE_1000BASE_LX) {
 428                         ecmd->supported |= SUPPORTED_1000baseT_Full;
 429                         if (hw_link_info->requested_speeds &
 430                             I40E_LINK_SPEED_1GB)
 431                                 ecmd->advertising |= ADVERTISED_1000baseT_Full;
 432                 }
 433                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 434                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 435                 break;
 436         case I40E_PHY_TYPE_10GBASE_T:
 437         case I40E_PHY_TYPE_1000BASE_T:
 438         case I40E_PHY_TYPE_100BASE_TX:
 439                 ecmd->supported = SUPPORTED_Autoneg |
 440                                   SUPPORTED_10000baseT_Full |
 441                                   SUPPORTED_1000baseT_Full |
 442                                   SUPPORTED_100baseT_Full;
 443                 ecmd->advertising = ADVERTISED_Autoneg;
 444                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 445                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 446                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 447                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 448                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 449                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 450                 break;
 451         case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
 452                 ecmd->supported = SUPPORTED_Autoneg |
 453                                   SUPPORTED_1000baseT_Full;
 454                 ecmd->advertising = ADVERTISED_Autoneg |
 455                                     ADVERTISED_1000baseT_Full;
 456                 break;
 457         case I40E_PHY_TYPE_10GBASE_CR1_CU:
 458         case I40E_PHY_TYPE_10GBASE_CR1:
 459                 ecmd->supported = SUPPORTED_Autoneg |
 460                                   SUPPORTED_10000baseT_Full;
 461                 ecmd->advertising = ADVERTISED_Autoneg |
 462                                     ADVERTISED_10000baseT_Full;
 463                 break;
 464         case I40E_PHY_TYPE_XAUI:
 465         case I40E_PHY_TYPE_XFI:
 466         case I40E_PHY_TYPE_SFI:
 467         case I40E_PHY_TYPE_10GBASE_SFPP_CU:
 468         case I40E_PHY_TYPE_10GBASE_AOC:
 469                 ecmd->supported = SUPPORTED_10000baseT_Full;
 470                 ecmd->advertising = SUPPORTED_10000baseT_Full;
 471                 break;
 472         case I40E_PHY_TYPE_SGMII:
 473                 ecmd->supported = SUPPORTED_Autoneg |
 474                                   SUPPORTED_1000baseT_Full;
 475                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 476                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 477                 if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
 478                         ecmd->supported |= SUPPORTED_100baseT_Full;
 479                         if (hw_link_info->requested_speeds &
 480                             I40E_LINK_SPEED_100MB)
 481                                 ecmd->advertising |= ADVERTISED_100baseT_Full;
 482                 }
 483                 break;
 484         case I40E_PHY_TYPE_40GBASE_KR4:
 485         case I40E_PHY_TYPE_20GBASE_KR2:
 486         case I40E_PHY_TYPE_10GBASE_KR:
 487         case I40E_PHY_TYPE_10GBASE_KX4:
 488         case I40E_PHY_TYPE_1000BASE_KX:
 489                 ecmd->supported |= SUPPORTED_40000baseKR4_Full |
 490                                    SUPPORTED_20000baseKR2_Full |
 491                                    SUPPORTED_10000baseKR_Full |
 492                                    SUPPORTED_10000baseKX4_Full |
 493                                    SUPPORTED_1000baseKX_Full |
 494                                    SUPPORTED_Autoneg;
 495                 ecmd->advertising |= ADVERTISED_40000baseKR4_Full |
 496                                      ADVERTISED_20000baseKR2_Full |
 497                                      ADVERTISED_10000baseKR_Full |
 498                                      ADVERTISED_10000baseKX4_Full |
 499                                      ADVERTISED_1000baseKX_Full |
 500                                      ADVERTISED_Autoneg;
 501                 break;
 502         case I40E_PHY_TYPE_25GBASE_KR:
 503         case I40E_PHY_TYPE_25GBASE_CR:
 504         case I40E_PHY_TYPE_25GBASE_SR:
 505         case I40E_PHY_TYPE_25GBASE_LR:
 506                 ecmd->supported = SUPPORTED_Autoneg;
 507                 ecmd->advertising = ADVERTISED_Autoneg;
 508                 /* TODO: add speeds when ethtool is ready to support*/
 509                 break;
 510         default:
 511                 /* if we got here and link is up something bad is afoot */
 512                 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
 513                             hw_link_info->phy_type);
 514         }
 515
 516         /* Now that we've worked out everything that could be supported by the
 517          * current PHY type, get what is supported by the NVM and them to
 518          * get what is truly supported
 519          */
 520         i40e_phy_type_to_ethtool(pf, &e_supported,
 521                                  &e_advertising);
 522
 523         ecmd->supported = ecmd->supported & e_supported;
 524         ecmd->advertising = ecmd->advertising & e_advertising;
 525
 526         /* Set speed and duplex */
 527         switch (link_speed) {
 528         case I40E_LINK_SPEED_40GB:
 529                 ethtool_cmd_speed_set(ecmd, SPEED_40000);
 530                 break;
 531         case I40E_LINK_SPEED_25GB:
 532 #ifdef SPEED_25000
 533                 ethtool_cmd_speed_set(ecmd, SPEED_25000);
 534 #else
 535                 netdev_info(netdev,
 536                             "Speed is 25G, display not supported by this version of ethtool.\n");
 537 #endif
 538                 break;
 539         case I40E_LINK_SPEED_20GB:
 540                 ethtool_cmd_speed_set(ecmd, SPEED_20000);
 541                 break;
 542         case I40E_LINK_SPEED_10GB:
 543                 ethtool_cmd_speed_set(ecmd, SPEED_10000);
 544                 break;
 545         case I40E_LINK_SPEED_1GB:
 546                 ethtool_cmd_speed_set(ecmd, SPEED_1000);
 547                 break;
 548         case I40E_LINK_SPEED_100MB:
 549                 ethtool_cmd_speed_set(ecmd, SPEED_100);
 550                 break;
 551         default:
 552                 break;
 553         }
 554         ecmd->duplex = DUPLEX_FULL;
 555 }
 556
 557 /**
 558  * i40e_get_settings_link_down - Get the Link settings for when link is down
 559  * @hw: hw structure
 560  * @ecmd: ethtool command to fill in
 561  *
 562  * Reports link settings that can be determined when link is down
 563  **/
 564 static void i40e_get_settings_link_down(struct i40e_hw *hw,
 565                                         struct ethtool_cmd *ecmd,
 566                                         struct i40e_pf *pf)
 567 {
 568         /* link is down and the driver needs to fall back on
 569          * supported phy types to figure out what info to display
 570          */
 571         i40e_phy_type_to_ethtool(pf, &ecmd->supported,
 572                                  &ecmd->advertising);
 573
 574         /* With no link speed and duplex are unknown */
 575         ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
 576         ecmd->duplex = DUPLEX_UNKNOWN;
 577 }
 578
 579 /**
 580  * i40e_get_settings - Get Link Speed and Duplex settings
 581  * @netdev: network interface device structure
 582  * @ecmd: ethtool command
 583  *
 584  * Reports speed/duplex settings based on media_type
 585  **/
 586 static int i40e_get_settings(struct net_device *netdev,
 587                              struct ethtool_cmd *ecmd)
 588 {
 589         struct i40e_netdev_priv *np = netdev_priv(netdev);
 590         struct i40e_pf *pf = np->vsi->back;
 591         struct i40e_hw *hw = &pf->hw;
 592         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 593         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 594
 595         if (link_up)
 596                 i40e_get_settings_link_up(hw, ecmd, netdev, pf);
 597         else
 598                 i40e_get_settings_link_down(hw, ecmd, pf);
 599
 600         /* Now set the settings that don't rely on link being up/down */
 601         /* Set autoneg settings */
 602         ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 603                           AUTONEG_ENABLE : AUTONEG_DISABLE);
 604
 605         switch (hw->phy.media_type) {
 606         case I40E_MEDIA_TYPE_BACKPLANE:
 607                 ecmd->supported |= SUPPORTED_Autoneg |
 608                                    SUPPORTED_Backplane;
 609                 ecmd->advertising |= ADVERTISED_Autoneg |
 610                                      ADVERTISED_Backplane;
 611                 ecmd->port = PORT_NONE;
 612                 break;
 613         case I40E_MEDIA_TYPE_BASET:
 614                 ecmd->supported |= SUPPORTED_TP;
 615                 ecmd->advertising |= ADVERTISED_TP;
 616                 ecmd->port = PORT_TP;
 617                 break;
 618         case I40E_MEDIA_TYPE_DA:
 619         case I40E_MEDIA_TYPE_CX4:
 620                 ecmd->supported |= SUPPORTED_FIBRE;
 621                 ecmd->advertising |= ADVERTISED_FIBRE;
 622                 ecmd->port = PORT_DA;
 623                 break;
 624         case I40E_MEDIA_TYPE_FIBER:
 625                 ecmd->supported |= SUPPORTED_FIBRE;
 626                 ecmd->port = PORT_FIBRE;
 627                 break;
 628         case I40E_MEDIA_TYPE_UNKNOWN:
 629         default:
 630                 ecmd->port = PORT_OTHER;
 631                 break;
 632         }
 633
 634         /* Set transceiver */
 635         ecmd->transceiver = XCVR_EXTERNAL;
 636
 637         /* Set flow control settings */
 638         ecmd->supported |= SUPPORTED_Pause;
 639
 640         switch (hw->fc.requested_mode) {
 641         case I40E_FC_FULL:
 642                 ecmd->advertising |= ADVERTISED_Pause;
 643                 break;
 644         case I40E_FC_TX_PAUSE:
 645                 ecmd->advertising |= ADVERTISED_Asym_Pause;
 646                 break;
 647         case I40E_FC_RX_PAUSE:
 648                 ecmd->advertising |= (ADVERTISED_Pause |
 649                                       ADVERTISED_Asym_Pause);
 650                 break;
 651         default:
 652                 ecmd->advertising &= ~(ADVERTISED_Pause |
 653                                        ADVERTISED_Asym_Pause);
 654                 break;
 655         }
 656
 657         return 0;
 658 }
 659
 660 /**
 661  * i40e_set_settings - Set Speed and Duplex
 662  * @netdev: network interface device structure
 663  * @ecmd: ethtool command
 664  *
 665  * Set speed/duplex per media_types advertised/forced
 666  **/
 667 static int i40e_set_settings(struct net_device *netdev,
 668                              struct ethtool_cmd *ecmd)
 669 {
 670         struct i40e_netdev_priv *np = netdev_priv(netdev);
 671         struct i40e_aq_get_phy_abilities_resp abilities;
 672         struct i40e_aq_set_phy_config config;
 673         struct i40e_pf *pf = np->vsi->back;
 674         struct i40e_vsi *vsi = np->vsi;
 675         struct i40e_hw *hw = &pf->hw;
 676         struct ethtool_cmd safe_ecmd;
 677         i40e_status status = 0;
 678         bool change = false;
 679         int err = 0;
 680         u8 autoneg;
 681         u32 advertise;
 682
 683         /* Changing port settings is not supported if this isn't the
 684          * port's controlling PF
 685          */
 686         if (hw->partition_id != 1) {
 687                 i40e_partition_setting_complaint(pf);
 688                 return -EOPNOTSUPP;
 689         }
 690
 691         if (vsi != pf->vsi[pf->lan_vsi])
 692                 return -EOPNOTSUPP;
 693
 694         if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
 695             hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
 696             hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
 697             hw->phy.media_type != I40E_MEDIA_TYPE_DA &&
 698             hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
 699                 return -EOPNOTSUPP;
 700
 701         if (hw->device_id == I40E_DEV_ID_KX_B ||
 702             hw->device_id == I40E_DEV_ID_KX_C ||
 703             hw->device_id == I40E_DEV_ID_20G_KR2 ||
 704             hw->device_id == I40E_DEV_ID_20G_KR2_A) {
 705                 netdev_info(netdev, "Changing settings is not supported on backplane.\n");
 706                 return -EOPNOTSUPP;
 707         }
 708
 709         /* get our own copy of the bits to check against */
 710         memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
 711         i40e_get_settings(netdev, &safe_ecmd);
 712
 713         /* save autoneg and speed out of ecmd */
 714         autoneg = ecmd->autoneg;
 715         advertise = ecmd->advertising;
 716
 717         /* set autoneg and speed back to what they currently are */
 718         ecmd->autoneg = safe_ecmd.autoneg;
 719         ecmd->advertising = safe_ecmd.advertising;
 720
 721         ecmd->cmd = safe_ecmd.cmd;
 722         /* If ecmd and safe_ecmd are not the same now, then they are
 723          * trying to set something that we do not support
 724          */
 725         if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
 726                 return -EOPNOTSUPP;
 727
 728         while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
 729                 usleep_range(1000, 2000);
 730
 731         /* Get the current phy config */
 732         status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
 733                                               NULL);
 734         if (status)
 735                 return -EAGAIN;
 736
 737         /* Copy abilities to config in case autoneg is not
 738          * set below
 739          */
 740         memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
 741         config.abilities = abilities.abilities;
 742
 743         /* Check autoneg */
 744         if (autoneg == AUTONEG_ENABLE) {
 745                 /* If autoneg was not already enabled */
 746                 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
 747                         /* If autoneg is not supported, return error */
 748                         if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
 749                                 netdev_info(netdev, "Autoneg not supported on this phy\n");
 750                                 return -EINVAL;
 751                         }
 752                         /* Autoneg is allowed to change */
 753                         config.abilities = abilities.abilities |
 754                                            I40E_AQ_PHY_ENABLE_AN;
 755                         change = true;
 756                 }
 757         } else {
 758                 /* If autoneg is currently enabled */
 759                 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
 760                         /* If autoneg is supported 10GBASE_T is the only PHY
 761                          * that can disable it, so otherwise return error
 762                          */
 763                         if (safe_ecmd.supported & SUPPORTED_Autoneg &&
 764                             hw->phy.link_info.phy_type !=
 765                             I40E_PHY_TYPE_10GBASE_T) {
 766                                 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
 767                                 return -EINVAL;
 768                         }
 769                         /* Autoneg is allowed to change */
 770                         config.abilities = abilities.abilities &
 771                                            ~I40E_AQ_PHY_ENABLE_AN;
 772                         change = true;
 773                 }
 774         }
 775
 776         if (advertise & ~safe_ecmd.supported)
 777                 return -EINVAL;
 778
 779         if (advertise & ADVERTISED_100baseT_Full)
 780                 config.link_speed |= I40E_LINK_SPEED_100MB;
 781         if (advertise & ADVERTISED_1000baseT_Full ||
 782             advertise & ADVERTISED_1000baseKX_Full)
 783                 config.link_speed |= I40E_LINK_SPEED_1GB;
 784         if (advertise & ADVERTISED_10000baseT_Full ||
 785             advertise & ADVERTISED_10000baseKX4_Full ||
 786             advertise & ADVERTISED_10000baseKR_Full)
 787                 config.link_speed |= I40E_LINK_SPEED_10GB;
 788         if (advertise & ADVERTISED_20000baseKR2_Full)
 789                 config.link_speed |= I40E_LINK_SPEED_20GB;
 790         if (advertise & ADVERTISED_40000baseKR4_Full ||
 791             advertise & ADVERTISED_40000baseCR4_Full ||
 792             advertise & ADVERTISED_40000baseSR4_Full ||
 793             advertise & ADVERTISED_40000baseLR4_Full)
 794                 config.link_speed |= I40E_LINK_SPEED_40GB;
 795
 796         /* If speed didn't get set, set it to what it currently is.
 797          * This is needed because if advertise is 0 (as it is when autoneg
 798          * is disabled) then speed won't get set.
 799          */
 800         if (!config.link_speed)
 801                 config.link_speed = abilities.link_speed;
 802
 803         if (change || (abilities.link_speed != config.link_speed)) {
 804                 /* copy over the rest of the abilities */
 805                 config.phy_type = abilities.phy_type;
 806                 config.eee_capability = abilities.eee_capability;
 807                 config.eeer = abilities.eeer_val;
 808                 config.low_power_ctrl = abilities.d3_lpan;
 809
 810                 /* save the requested speeds */
 811                 hw->phy.link_info.requested_speeds = config.link_speed;
 812                 /* set link and auto negotiation so changes take effect */
 813                 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
 814                 /* If link is up put link down */
 815                 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
 816                         /* Tell the OS link is going down, the link will go
 817                          * back up when fw says it is ready asynchronously
 818                          */
 819                         i40e_print_link_message(vsi, false);
 820                         netif_carrier_off(netdev);
 821                         netif_tx_stop_all_queues(netdev);
 822                 }
 823
 824                 /* make the aq call */
 825                 status = i40e_aq_set_phy_config(hw, &config, NULL);
 826                 if (status) {
 827                         netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
 828                                     i40e_stat_str(hw, status),
 829                                     i40e_aq_str(hw, hw->aq.asq_last_status));
 830                         return -EAGAIN;
 831                 }
 832
 833                 status = i40e_update_link_info(hw);
 834                 if (status)
 835                         netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n",
 836                                    i40e_stat_str(hw, status),
 837                                    i40e_aq_str(hw, hw->aq.asq_last_status));
 838
 839         } else {
 840                 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
 841         }
 842
 843         return err;
 844 }
 845
 846 static int i40e_nway_reset(struct net_device *netdev)
 847 {
 848         /* restart autonegotiation */
 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         bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
 853         i40e_status ret = 0;
 854
 855         ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
 856         if (ret) {
 857                 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
 858                             i40e_stat_str(hw, ret),
 859                             i40e_aq_str(hw, hw->aq.asq_last_status));
 860                 return -EIO;
 861         }
 862
 863         return 0;
 864 }
 865
 866 /**
 867  * i40e_get_pauseparam -  Get Flow Control status
 868  * Return tx/rx-pause status
 869  **/
 870 static void i40e_get_pauseparam(struct net_device *netdev,
 871                                 struct ethtool_pauseparam *pause)
 872 {
 873         struct i40e_netdev_priv *np = netdev_priv(netdev);
 874         struct i40e_pf *pf = np->vsi->back;
 875         struct i40e_hw *hw = &pf->hw;
 876         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 877         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 878
 879         pause->autoneg =
 880                 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 881                   AUTONEG_ENABLE : AUTONEG_DISABLE);
 882
 883         /* PFC enabled so report LFC as off */
 884         if (dcbx_cfg->pfc.pfcenable) {
 885                 pause->rx_pause = 0;
 886                 pause->tx_pause = 0;
 887                 return;
 888         }
 889
 890         if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
 891                 pause->rx_pause = 1;
 892         } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
 893                 pause->tx_pause = 1;
 894         } else if (hw->fc.current_mode == I40E_FC_FULL) {
 895                 pause->rx_pause = 1;
 896                 pause->tx_pause = 1;
 897         }
 898 }
 899
 900 /**
 901  * i40e_set_pauseparam - Set Flow Control parameter
 902  * @netdev: network interface device structure
 903  * @pause: return tx/rx flow control status
 904  **/
 905 static int i40e_set_pauseparam(struct net_device *netdev,
 906                                struct ethtool_pauseparam *pause)
 907 {
 908         struct i40e_netdev_priv *np = netdev_priv(netdev);
 909         struct i40e_pf *pf = np->vsi->back;
 910         struct i40e_vsi *vsi = np->vsi;
 911         struct i40e_hw *hw = &pf->hw;
 912         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 913         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 914         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 915         i40e_status status;
 916         u8 aq_failures;
 917         int err = 0;
 918
 919         /* Changing the port's flow control is not supported if this isn't the
 920          * port's controlling PF
 921          */
 922         if (hw->partition_id != 1) {
 923                 i40e_partition_setting_complaint(pf);
 924                 return -EOPNOTSUPP;
 925         }
 926
 927         if (vsi != pf->vsi[pf->lan_vsi])
 928                 return -EOPNOTSUPP;
 929
 930         if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 931             AUTONEG_ENABLE : AUTONEG_DISABLE)) {
 932                 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
 933                 return -EOPNOTSUPP;
 934         }
 935
 936         /* If we have link and don't have autoneg */
 937         if (!test_bit(__I40E_DOWN, &pf->state) &&
 938             !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
 939                 /* Send message that it might not necessarily work*/
 940                 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
 941         }
 942
 943         if (dcbx_cfg->pfc.pfcenable) {
 944                 netdev_info(netdev,
 945                             "Priority flow control enabled. Cannot set link flow control.\n");
 946                 return -EOPNOTSUPP;
 947         }
 948
 949         if (pause->rx_pause && pause->tx_pause)
 950                 hw->fc.requested_mode = I40E_FC_FULL;
 951         else if (pause->rx_pause && !pause->tx_pause)
 952                 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
 953         else if (!pause->rx_pause && pause->tx_pause)
 954                 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
 955         else if (!pause->rx_pause && !pause->tx_pause)
 956                 hw->fc.requested_mode = I40E_FC_NONE;
 957         else
 958                  return -EINVAL;
 959
 960         /* Tell the OS link is going down, the link will go back up when fw
 961          * says it is ready asynchronously
 962          */
 963         i40e_print_link_message(vsi, false);
 964         netif_carrier_off(netdev);
 965         netif_tx_stop_all_queues(netdev);
 966
 967         /* Set the fc mode and only restart an if link is up*/
 968         status = i40e_set_fc(hw, &aq_failures, link_up);
 969
 970         if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
 971                 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
 972                             i40e_stat_str(hw, status),
 973                             i40e_aq_str(hw, hw->aq.asq_last_status));
 974                 err = -EAGAIN;
 975         }
 976         if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
 977                 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
 978                             i40e_stat_str(hw, status),
 979                             i40e_aq_str(hw, hw->aq.asq_last_status));
 980                 err = -EAGAIN;
 981         }
 982         if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
 983                 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
 984                             i40e_stat_str(hw, status),
 985                             i40e_aq_str(hw, hw->aq.asq_last_status));
 986                 err = -EAGAIN;
 987         }
 988
 989         if (!test_bit(__I40E_DOWN, &pf->state)) {
 990                 /* Give it a little more time to try to come back */
 991                 msleep(75);
 992                 if (!test_bit(__I40E_DOWN, &pf->state))
 993                         return i40e_nway_reset(netdev);
 994         }
 995
 996         return err;
 997 }
 998
 999 static u32 i40e_get_msglevel(struct net_device *netdev)
1000 {
1001         struct i40e_netdev_priv *np = netdev_priv(netdev);
1002         struct i40e_pf *pf = np->vsi->back;
1003         u32 debug_mask = pf->hw.debug_mask;
1004
1005         if (debug_mask)
1006                 netdev_info(netdev, "i40e debug_mask: 0x%08X\n", debug_mask);
1007
1008         return pf->msg_enable;
1009 }
1010
1011 static void i40e_set_msglevel(struct net_device *netdev, u32 data)
1012 {
1013         struct i40e_netdev_priv *np = netdev_priv(netdev);
1014         struct i40e_pf *pf = np->vsi->back;
1015
1016         if (I40E_DEBUG_USER & data)
1017                 pf->hw.debug_mask = data;
1018         else
1019                 pf->msg_enable = data;
1020 }
1021
1022 static int i40e_get_regs_len(struct net_device *netdev)
1023 {
1024         int reg_count = 0;
1025         int i;
1026
1027         for (i = 0; i40e_reg_list[i].offset != 0; i++)
1028                 reg_count += i40e_reg_list[i].elements;
1029
1030         return reg_count * sizeof(u32);
1031 }
1032
1033 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
1034                           void *p)
1035 {
1036         struct i40e_netdev_priv *np = netdev_priv(netdev);
1037         struct i40e_pf *pf = np->vsi->back;
1038         struct i40e_hw *hw = &pf->hw;
1039         u32 *reg_buf = p;
1040         int i, j, ri;
1041         u32 reg;
1042
1043         /* Tell ethtool which driver-version-specific regs output we have.
1044          *
1045          * At some point, if we have ethtool doing special formatting of
1046          * this data, it will rely on this version number to know how to
1047          * interpret things.  Hence, this needs to be updated if/when the
1048          * diags register table is changed.
1049          */
1050         regs->version = 1;
1051
1052         /* loop through the diags reg table for what to print */
1053         ri = 0;
1054         for (i = 0; i40e_reg_list[i].offset != 0; i++) {
1055                 for (j = 0; j < i40e_reg_list[i].elements; j++) {
1056                         reg = i40e_reg_list[i].offset
1057                                 + (j * i40e_reg_list[i].stride);
1058                         reg_buf[ri++] = rd32(hw, reg);
1059                 }
1060         }
1061
1062 }
1063
1064 static int i40e_get_eeprom(struct net_device *netdev,
1065                            struct ethtool_eeprom *eeprom, u8 *bytes)
1066 {
1067         struct i40e_netdev_priv *np = netdev_priv(netdev);
1068         struct i40e_hw *hw = &np->vsi->back->hw;
1069         struct i40e_pf *pf = np->vsi->back;
1070         int ret_val = 0, len, offset;
1071         u8 *eeprom_buff;
1072         u16 i, sectors;
1073         bool last;
1074         u32 magic;
1075
1076 #define I40E_NVM_SECTOR_SIZE  4096
1077         if (eeprom->len == 0)
1078                 return -EINVAL;
1079
1080         /* check for NVMUpdate access method */
1081         magic = hw->vendor_id | (hw->device_id << 16);
1082         if (eeprom->magic && eeprom->magic != magic) {
1083                 struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1084                 int errno = 0;
1085
1086                 /* make sure it is the right magic for NVMUpdate */
1087                 if ((eeprom->magic >> 16) != hw->device_id)
1088                         errno = -EINVAL;
1089                 else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1090                          test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1091                         errno = -EBUSY;
1092                 else
1093                         ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1094
1095                 if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1096                         dev_info(&pf->pdev->dev,
1097                                  "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1098                                  ret_val, hw->aq.asq_last_status, errno,
1099                                  (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1100                                  cmd->offset, cmd->data_size);
1101
1102                 return errno;
1103         }
1104
1105         /* normal ethtool get_eeprom support */
1106         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1107
1108         eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
1109         if (!eeprom_buff)
1110                 return -ENOMEM;
1111
1112         ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
1113         if (ret_val) {
1114                 dev_info(&pf->pdev->dev,
1115                          "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1116                          ret_val, hw->aq.asq_last_status);
1117                 goto free_buff;
1118         }
1119
1120         sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
1121         sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
1122         len = I40E_NVM_SECTOR_SIZE;
1123         last = false;
1124         for (i = 0; i < sectors; i++) {
1125                 if (i == (sectors - 1)) {
1126                         len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
1127                         last = true;
1128                 }
1129                 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
1130                 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1131                                 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1132                                 last, NULL);
1133                 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1134                         dev_info(&pf->pdev->dev,
1135                                  "read NVM failed, invalid offset 0x%x\n",
1136                                  offset);
1137                         break;
1138                 } else if (ret_val &&
1139                            hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1140                         dev_info(&pf->pdev->dev,
1141                                  "read NVM failed, access, offset 0x%x\n",
1142                                  offset);
1143                         break;
1144                 } else if (ret_val) {
1145                         dev_info(&pf->pdev->dev,
1146                                  "read NVM failed offset %d err=%d status=0x%x\n",
1147                                  offset, ret_val, hw->aq.asq_last_status);
1148                         break;
1149                 }
1150         }
1151
1152         i40e_release_nvm(hw);
1153         memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1154 free_buff:
1155         kfree(eeprom_buff);
1156         return ret_val;
1157 }
1158
1159 static int i40e_get_eeprom_len(struct net_device *netdev)
1160 {
1161         struct i40e_netdev_priv *np = netdev_priv(netdev);
1162         struct i40e_hw *hw = &np->vsi->back->hw;
1163         u32 val;
1164
1165         val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1166                 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1167                 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1168         /* register returns value in power of 2, 64Kbyte chunks. */
1169         val = (64 * 1024) * BIT(val);
1170         return val;
1171 }
1172
1173 static int i40e_set_eeprom(struct net_device *netdev,
1174                            struct ethtool_eeprom *eeprom, u8 *bytes)
1175 {
1176         struct i40e_netdev_priv *np = netdev_priv(netdev);
1177         struct i40e_hw *hw = &np->vsi->back->hw;
1178         struct i40e_pf *pf = np->vsi->back;
1179         struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1180         int ret_val = 0;
1181         int errno = 0;
1182         u32 magic;
1183
1184         /* normal ethtool set_eeprom is not supported */
1185         magic = hw->vendor_id | (hw->device_id << 16);
1186         if (eeprom->magic == magic)
1187                 errno = -EOPNOTSUPP;
1188         /* check for NVMUpdate access method */
1189         else if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1190                 errno = -EINVAL;
1191         else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1192                  test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1193                 errno = -EBUSY;
1194         else
1195                 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1196
1197         if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1198                 dev_info(&pf->pdev->dev,
1199                          "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1200                          ret_val, hw->aq.asq_last_status, errno,
1201                          (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1202                          cmd->offset, cmd->data_size);
1203
1204         return errno;
1205 }
1206
1207 static void i40e_get_drvinfo(struct net_device *netdev,
1208                              struct ethtool_drvinfo *drvinfo)
1209 {
1210         struct i40e_netdev_priv *np = netdev_priv(netdev);
1211         struct i40e_vsi *vsi = np->vsi;
1212         struct i40e_pf *pf = vsi->back;
1213
1214         strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1215         strlcpy(drvinfo->version, i40e_driver_version_str,
1216                 sizeof(drvinfo->version));
1217         strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
1218                 sizeof(drvinfo->fw_version));
1219         strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1220                 sizeof(drvinfo->bus_info));
1221         drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
1222         if (pf->hw.pf_id == 0)
1223                 drvinfo->n_priv_flags += I40E_GL_PRIV_FLAGS_STR_LEN;
1224 }
1225
1226 static void i40e_get_ringparam(struct net_device *netdev,
1227                                struct ethtool_ringparam *ring)
1228 {
1229         struct i40e_netdev_priv *np = netdev_priv(netdev);
1230         struct i40e_pf *pf = np->vsi->back;
1231         struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1232
1233         ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1234         ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1235         ring->rx_mini_max_pending = 0;
1236         ring->rx_jumbo_max_pending = 0;
1237         ring->rx_pending = vsi->rx_rings[0]->count;
1238         ring->tx_pending = vsi->tx_rings[0]->count;
1239         ring->rx_mini_pending = 0;
1240         ring->rx_jumbo_pending = 0;
1241 }
1242
1243 static int i40e_set_ringparam(struct net_device *netdev,
1244                               struct ethtool_ringparam *ring)
1245 {
1246         struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1247         struct i40e_netdev_priv *np = netdev_priv(netdev);
1248         struct i40e_hw *hw = &np->vsi->back->hw;
1249         struct i40e_vsi *vsi = np->vsi;
1250         struct i40e_pf *pf = vsi->back;
1251         u32 new_rx_count, new_tx_count;
1252         int i, err = 0;
1253
1254         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1255                 return -EINVAL;
1256
1257         if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1258             ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1259             ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1260             ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1261                 netdev_info(netdev,
1262                             "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1263                             ring->tx_pending, ring->rx_pending,
1264                             I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1265                 return -EINVAL;
1266         }
1267
1268         new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1269         new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1270
1271         /* if nothing to do return success */
1272         if ((new_tx_count == vsi->tx_rings[0]->count) &&
1273             (new_rx_count == vsi->rx_rings[0]->count))
1274                 return 0;
1275
1276         while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1277                 usleep_range(1000, 2000);
1278
1279         if (!netif_running(vsi->netdev)) {
1280                 /* simple case - set for the next time the netdev is started */
1281                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1282                         vsi->tx_rings[i]->count = new_tx_count;
1283                         vsi->rx_rings[i]->count = new_rx_count;
1284                 }
1285                 goto done;
1286         }
1287
1288         /* We can't just free everything and then setup again,
1289          * because the ISRs in MSI-X mode get passed pointers
1290          * to the Tx and Rx ring structs.
1291          */
1292
1293         /* alloc updated Tx resources */
1294         if (new_tx_count != vsi->tx_rings[0]->count) {
1295                 netdev_info(netdev,
1296                             "Changing Tx descriptor count from %d to %d.\n",
1297                             vsi->tx_rings[0]->count, new_tx_count);
1298                 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1299                                    sizeof(struct i40e_ring), GFP_KERNEL);
1300                 if (!tx_rings) {
1301                         err = -ENOMEM;
1302                         goto done;
1303                 }
1304
1305                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1306                         /* clone ring and setup updated count */
1307                         tx_rings[i] = *vsi->tx_rings[i];
1308                         tx_rings[i].count = new_tx_count;
1309                         /* the desc and bi pointers will be reallocated in the
1310                          * setup call
1311                          */
1312                         tx_rings[i].desc = NULL;
1313                         tx_rings[i].rx_bi = NULL;
1314                         err = i40e_setup_tx_descriptors(&tx_rings[i]);
1315                         if (err) {
1316                                 while (i) {
1317                                         i--;
1318                                         i40e_free_tx_resources(&tx_rings[i]);
1319                                 }
1320                                 kfree(tx_rings);
1321                                 tx_rings = NULL;
1322
1323                                 goto done;
1324                         }
1325                 }
1326         }
1327
1328         /* alloc updated Rx resources */
1329         if (new_rx_count != vsi->rx_rings[0]->count) {
1330                 netdev_info(netdev,
1331                             "Changing Rx descriptor count from %d to %d\n",
1332                             vsi->rx_rings[0]->count, new_rx_count);
1333                 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1334                                    sizeof(struct i40e_ring), GFP_KERNEL);
1335                 if (!rx_rings) {
1336                         err = -ENOMEM;
1337                         goto free_tx;
1338                 }
1339
1340                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1341                         struct i40e_ring *ring;
1342                         u16 unused;
1343
1344                         /* clone ring and setup updated count */
1345                         rx_rings[i] = *vsi->rx_rings[i];
1346                         rx_rings[i].count = new_rx_count;
1347                         /* the desc and bi pointers will be reallocated in the
1348                          * setup call
1349                          */
1350                         rx_rings[i].desc = NULL;
1351                         rx_rings[i].rx_bi = NULL;
1352                         /* this is to allow wr32 to have something to write to
1353                          * during early allocation of Rx buffers
1354                          */
1355                         rx_rings[i].tail = hw->hw_addr + I40E_PRTGEN_STATUS;
1356                         err = i40e_setup_rx_descriptors(&rx_rings[i]);
1357                         if (err)
1358                                 goto rx_unwind;
1359
1360                         /* now allocate the Rx buffers to make sure the OS
1361                          * has enough memory, any failure here means abort
1362                          */
1363                         ring = &rx_rings[i];
1364                         unused = I40E_DESC_UNUSED(ring);
1365                         err = i40e_alloc_rx_buffers(ring, unused);
1366 rx_unwind:
1367                         if (err) {
1368                                 do {
1369                                         i40e_free_rx_resources(&rx_rings[i]);
1370                                 } while (i--);
1371                                 kfree(rx_rings);
1372                                 rx_rings = NULL;
1373
1374                                 goto free_tx;
1375                         }
1376                 }
1377         }
1378
1379         /* Bring interface down, copy in the new ring info,
1380          * then restore the interface
1381          */
1382         i40e_down(vsi);
1383
1384         if (tx_rings) {
1385                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1386                         i40e_free_tx_resources(vsi->tx_rings[i]);
1387                         *vsi->tx_rings[i] = tx_rings[i];
1388                 }
1389                 kfree(tx_rings);
1390                 tx_rings = NULL;
1391         }
1392
1393         if (rx_rings) {
1394                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1395                         i40e_free_rx_resources(vsi->rx_rings[i]);
1396                         /* get the real tail offset */
1397                         rx_rings[i].tail = vsi->rx_rings[i]->tail;
1398                         /* this is to fake out the allocation routine
1399                          * into thinking it has to realloc everything
1400                          * but the recycling logic will let us re-use
1401                          * the buffers allocated above
1402                          */
1403                         rx_rings[i].next_to_use = 0;
1404                         rx_rings[i].next_to_clean = 0;
1405                         rx_rings[i].next_to_alloc = 0;
1406                         /* do a struct copy */
1407                         *vsi->rx_rings[i] = rx_rings[i];
1408                 }
1409                 kfree(rx_rings);
1410                 rx_rings = NULL;
1411         }
1412
1413         i40e_up(vsi);
1414
1415 free_tx:
1416         /* error cleanup if the Rx allocations failed after getting Tx */
1417         if (tx_rings) {
1418                 for (i = 0; i < vsi->num_queue_pairs; i++)
1419                         i40e_free_tx_resources(&tx_rings[i]);
1420                 kfree(tx_rings);
1421                 tx_rings = NULL;
1422         }
1423
1424 done:
1425         clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1426
1427         return err;
1428 }
1429
1430 static int i40e_get_sset_count(struct net_device *netdev, int sset)
1431 {
1432         struct i40e_netdev_priv *np = netdev_priv(netdev);
1433         struct i40e_vsi *vsi = np->vsi;
1434         struct i40e_pf *pf = vsi->back;
1435
1436         switch (sset) {
1437         case ETH_SS_TEST:
1438                 return I40E_TEST_LEN;
1439         case ETH_SS_STATS:
1440                 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1441                         int len = I40E_PF_STATS_LEN(netdev);
1442
1443                         if ((pf->lan_veb != I40E_NO_VEB) &&
1444                             (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1445                                 len += I40E_VEB_STATS_TOTAL;
1446                         return len;
1447                 } else {
1448                         return I40E_VSI_STATS_LEN(netdev);
1449                 }
1450         case ETH_SS_PRIV_FLAGS:
1451                 return I40E_PRIV_FLAGS_STR_LEN +
1452                         (pf->hw.pf_id == 0 ? I40E_GL_PRIV_FLAGS_STR_LEN : 0);
1453         default:
1454                 return -EOPNOTSUPP;
1455         }
1456 }
1457
1458 static void i40e_get_ethtool_stats(struct net_device *netdev,
1459                                    struct ethtool_stats *stats, u64 *data)
1460 {
1461         struct i40e_netdev_priv *np = netdev_priv(netdev);
1462         struct i40e_ring *tx_ring, *rx_ring;
1463         struct i40e_vsi *vsi = np->vsi;
1464         struct i40e_pf *pf = vsi->back;
1465         int i = 0;
1466         char *p;
1467         int j;
1468         struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1469         unsigned int start;
1470
1471         i40e_update_stats(vsi);
1472
1473         for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1474                 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1475                 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1476                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1477         }
1478         for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1479                 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1480                 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1481                             sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1482         }
1483 #ifdef I40E_FCOE
1484         for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1485                 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1486                 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1487                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1488         }
1489 #endif
1490         rcu_read_lock();
1491         for (j = 0; j < vsi->num_queue_pairs; j++) {
1492                 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1493
1494                 if (!tx_ring)
1495                         continue;
1496
1497                 /* process Tx ring statistics */
1498                 do {
1499                         start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1500                         data[i] = tx_ring->stats.packets;
1501                         data[i + 1] = tx_ring->stats.bytes;
1502                 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1503                 i += 2;
1504
1505                 /* Rx ring is the 2nd half of the queue pair */
1506                 rx_ring = &tx_ring[1];
1507                 do {
1508                         start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1509                         data[i] = rx_ring->stats.packets;
1510                         data[i + 1] = rx_ring->stats.bytes;
1511                 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1512                 i += 2;
1513         }
1514         rcu_read_unlock();
1515         if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1516                 return;
1517
1518         if ((pf->lan_veb != I40E_NO_VEB) &&
1519             (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1520                 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1521
1522                 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1523                         p = (char *)veb;
1524                         p += i40e_gstrings_veb_stats[j].stat_offset;
1525                         data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1526                                      sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1527                 }
1528                 for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
1529                         data[i++] = veb->tc_stats.tc_tx_packets[j];
1530                         data[i++] = veb->tc_stats.tc_tx_bytes[j];
1531                         data[i++] = veb->tc_stats.tc_rx_packets[j];
1532                         data[i++] = veb->tc_stats.tc_rx_bytes[j];
1533                 }
1534         }
1535         for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1536                 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1537                 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1538                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1539         }
1540         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1541                 data[i++] = pf->stats.priority_xon_tx[j];
1542                 data[i++] = pf->stats.priority_xoff_tx[j];
1543         }
1544         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1545                 data[i++] = pf->stats.priority_xon_rx[j];
1546                 data[i++] = pf->stats.priority_xoff_rx[j];
1547         }
1548         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1549                 data[i++] = pf->stats.priority_xon_2_xoff[j];
1550 }
1551
1552 static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1553                              u8 *data)
1554 {
1555         struct i40e_netdev_priv *np = netdev_priv(netdev);
1556         struct i40e_vsi *vsi = np->vsi;
1557         struct i40e_pf *pf = vsi->back;
1558         char *p = (char *)data;
1559         int i;
1560
1561         switch (stringset) {
1562         case ETH_SS_TEST:
1563                 memcpy(data, i40e_gstrings_test,
1564                        I40E_TEST_LEN * ETH_GSTRING_LEN);
1565                 break;
1566         case ETH_SS_STATS:
1567                 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1568                         snprintf(p, ETH_GSTRING_LEN, "%s",
1569                                  i40e_gstrings_net_stats[i].stat_string);
1570                         p += ETH_GSTRING_LEN;
1571                 }
1572                 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1573                         snprintf(p, ETH_GSTRING_LEN, "%s",
1574                                  i40e_gstrings_misc_stats[i].stat_string);
1575                         p += ETH_GSTRING_LEN;
1576                 }
1577 #ifdef I40E_FCOE
1578                 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1579                         snprintf(p, ETH_GSTRING_LEN, "%s",
1580                                  i40e_gstrings_fcoe_stats[i].stat_string);
1581                         p += ETH_GSTRING_LEN;
1582                 }
1583 #endif
1584                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1585                         snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i);
1586                         p += ETH_GSTRING_LEN;
1587                         snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i);
1588                         p += ETH_GSTRING_LEN;
1589                         snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i);
1590                         p += ETH_GSTRING_LEN;
1591                         snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i);
1592                         p += ETH_GSTRING_LEN;
1593                 }
1594                 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1595                         return;
1596
1597                 if ((pf->lan_veb != I40E_NO_VEB) &&
1598                     (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1599                         for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1600                                 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1601                                         i40e_gstrings_veb_stats[i].stat_string);
1602                                 p += ETH_GSTRING_LEN;
1603                         }
1604                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1605                                 snprintf(p, ETH_GSTRING_LEN,
1606                                          "veb.tc_%d_tx_packets", i);
1607                                 p += ETH_GSTRING_LEN;
1608                                 snprintf(p, ETH_GSTRING_LEN,
1609                                          "veb.tc_%d_tx_bytes", i);
1610                                 p += ETH_GSTRING_LEN;
1611                                 snprintf(p, ETH_GSTRING_LEN,
1612                                          "veb.tc_%d_rx_packets", i);
1613                                 p += ETH_GSTRING_LEN;
1614                                 snprintf(p, ETH_GSTRING_LEN,
1615                                          "veb.tc_%d_rx_bytes", i);
1616                                 p += ETH_GSTRING_LEN;
1617                         }
1618                 }
1619                 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1620                         snprintf(p, ETH_GSTRING_LEN, "port.%s",
1621                                  i40e_gstrings_stats[i].stat_string);
1622                         p += ETH_GSTRING_LEN;
1623                 }
1624                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1625                         snprintf(p, ETH_GSTRING_LEN,
1626                                  "port.tx_priority_%d_xon", i);
1627                         p += ETH_GSTRING_LEN;
1628                         snprintf(p, ETH_GSTRING_LEN,
1629                                  "port.tx_priority_%d_xoff", i);
1630                         p += ETH_GSTRING_LEN;
1631                 }
1632                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1633                         snprintf(p, ETH_GSTRING_LEN,
1634                                  "port.rx_priority_%d_xon", i);
1635                         p += ETH_GSTRING_LEN;
1636                         snprintf(p, ETH_GSTRING_LEN,
1637                                  "port.rx_priority_%d_xoff", i);
1638                         p += ETH_GSTRING_LEN;
1639                 }
1640                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1641                         snprintf(p, ETH_GSTRING_LEN,
1642                                  "port.rx_priority_%d_xon_2_xoff", i);
1643                         p += ETH_GSTRING_LEN;
1644                 }
1645                 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1646                 break;
1647         case ETH_SS_PRIV_FLAGS:
1648                 memcpy(data, i40e_priv_flags_strings,
1649                        I40E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
1650                 data += I40E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN;
1651                 if (pf->hw.pf_id == 0)
1652                         memcpy(data, i40e_gl_priv_flags_strings,
1653                                I40E_GL_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
1654                 break;
1655         default:
1656                 break;
1657         }
1658 }
1659
1660 static int i40e_get_ts_info(struct net_device *dev,
1661                             struct ethtool_ts_info *info)
1662 {
1663         struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1664
1665         /* only report HW timestamping if PTP is enabled */
1666         if (!(pf->flags & I40E_FLAG_PTP))
1667                 return ethtool_op_get_ts_info(dev, info);
1668
1669         info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1670                                 SOF_TIMESTAMPING_RX_SOFTWARE |
1671                                 SOF_TIMESTAMPING_SOFTWARE |
1672                                 SOF_TIMESTAMPING_TX_HARDWARE |
1673                                 SOF_TIMESTAMPING_RX_HARDWARE |
1674                                 SOF_TIMESTAMPING_RAW_HARDWARE;
1675
1676         if (pf->ptp_clock)
1677                 info->phc_index = ptp_clock_index(pf->ptp_clock);
1678         else
1679                 info->phc_index = -1;
1680
1681         info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1682
1683         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1684                            BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
1685                            BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
1686                            BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ);
1687
1688         if (pf->flags & I40E_FLAG_PTP_L4_CAPABLE)
1689                 info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
1690                                     BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
1691                                     BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
1692                                     BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
1693                                     BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
1694                                     BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
1695                                     BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
1696                                     BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
1697
1698         return 0;
1699 }
1700
1701 static int i40e_link_test(struct net_device *netdev, u64 *data)
1702 {
1703         struct i40e_netdev_priv *np = netdev_priv(netdev);
1704         struct i40e_pf *pf = np->vsi->back;
1705         i40e_status status;
1706         bool link_up = false;
1707
1708         netif_info(pf, hw, netdev, "link test\n");
1709         status = i40e_get_link_status(&pf->hw, &link_up);
1710         if (status) {
1711                 netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1712                 *data = 1;
1713                 return *data;
1714         }
1715
1716         if (link_up)
1717                 *data = 0;
1718         else
1719                 *data = 1;
1720
1721         return *data;
1722 }
1723
1724 static int i40e_reg_test(struct net_device *netdev, u64 *data)
1725 {
1726         struct i40e_netdev_priv *np = netdev_priv(netdev);
1727         struct i40e_pf *pf = np->vsi->back;
1728
1729         netif_info(pf, hw, netdev, "register test\n");
1730         *data = i40e_diag_reg_test(&pf->hw);
1731
1732         return *data;
1733 }
1734
1735 static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1736 {
1737         struct i40e_netdev_priv *np = netdev_priv(netdev);
1738         struct i40e_pf *pf = np->vsi->back;
1739
1740         netif_info(pf, hw, netdev, "eeprom test\n");
1741         *data = i40e_diag_eeprom_test(&pf->hw);
1742
1743         /* forcebly clear the NVM Update state machine */
1744         pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1745
1746         return *data;
1747 }
1748
1749 static int i40e_intr_test(struct net_device *netdev, u64 *data)
1750 {
1751         struct i40e_netdev_priv *np = netdev_priv(netdev);
1752         struct i40e_pf *pf = np->vsi->back;
1753         u16 swc_old = pf->sw_int_count;
1754
1755         netif_info(pf, hw, netdev, "interrupt test\n");
1756         wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1757              (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1758               I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1759               I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1760               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1761               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1762         usleep_range(1000, 2000);
1763         *data = (swc_old == pf->sw_int_count);
1764
1765         return *data;
1766 }
1767
1768 static inline bool i40e_active_vfs(struct i40e_pf *pf)
1769 {
1770         struct i40e_vf *vfs = pf->vf;
1771         int i;
1772
1773         for (i = 0; i < pf->num_alloc_vfs; i++)
1774                 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1775                         return true;
1776         return false;
1777 }
1778
1779 static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1780 {
1781         return !!i40e_find_vsi_by_type(pf, I40E_VSI_VMDQ2);
1782 }
1783
1784 static void i40e_diag_test(struct net_device *netdev,
1785                            struct ethtool_test *eth_test, u64 *data)
1786 {
1787         struct i40e_netdev_priv *np = netdev_priv(netdev);
1788         bool if_running = netif_running(netdev);
1789         struct i40e_pf *pf = np->vsi->back;
1790
1791         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1792                 /* Offline tests */
1793                 netif_info(pf, drv, netdev, "offline testing starting\n");
1794
1795                 set_bit(__I40E_TESTING, &pf->state);
1796
1797                 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1798                         dev_warn(&pf->pdev->dev,
1799                                  "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1800                         data[I40E_ETH_TEST_REG]         = 1;
1801                         data[I40E_ETH_TEST_EEPROM]      = 1;
1802                         data[I40E_ETH_TEST_INTR]        = 1;
1803                         data[I40E_ETH_TEST_LINK]        = 1;
1804                         eth_test->flags |= ETH_TEST_FL_FAILED;
1805                         clear_bit(__I40E_TESTING, &pf->state);
1806                         goto skip_ol_tests;
1807                 }
1808
1809                 /* If the device is online then take it offline */
1810                 if (if_running)
1811                         /* indicate we're in test mode */
1812                         i40e_close(netdev);
1813                 else
1814                         /* This reset does not affect link - if it is
1815                          * changed to a type of reset that does affect
1816                          * link then the following link test would have
1817                          * to be moved to before the reset
1818                          */
1819                         i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1820
1821                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1822                         eth_test->flags |= ETH_TEST_FL_FAILED;
1823
1824                 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1825                         eth_test->flags |= ETH_TEST_FL_FAILED;
1826
1827                 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1828                         eth_test->flags |= ETH_TEST_FL_FAILED;
1829
1830                 /* run reg test last, a reset is required after it */
1831                 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1832                         eth_test->flags |= ETH_TEST_FL_FAILED;
1833
1834                 clear_bit(__I40E_TESTING, &pf->state);
1835                 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1836
1837                 if (if_running)
1838                         i40e_open(netdev);
1839         } else {
1840                 /* Online tests */
1841                 netif_info(pf, drv, netdev, "online testing starting\n");
1842
1843                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1844                         eth_test->flags |= ETH_TEST_FL_FAILED;
1845
1846                 /* Offline only tests, not run in online; pass by default */
1847                 data[I40E_ETH_TEST_REG] = 0;
1848                 data[I40E_ETH_TEST_EEPROM] = 0;
1849                 data[I40E_ETH_TEST_INTR] = 0;
1850         }
1851
1852 skip_ol_tests:
1853
1854         netif_info(pf, drv, netdev, "testing finished\n");
1855 }
1856
1857 static void i40e_get_wol(struct net_device *netdev,
1858                          struct ethtool_wolinfo *wol)
1859 {
1860         struct i40e_netdev_priv *np = netdev_priv(netdev);
1861         struct i40e_pf *pf = np->vsi->back;
1862         struct i40e_hw *hw = &pf->hw;
1863         u16 wol_nvm_bits;
1864
1865         /* NVM bit on means WoL disabled for the port */
1866         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1867         if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1868                 wol->supported = 0;
1869                 wol->wolopts = 0;
1870         } else {
1871                 wol->supported = WAKE_MAGIC;
1872                 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1873         }
1874 }
1875
1876 /**
1877  * i40e_set_wol - set the WakeOnLAN configuration
1878  * @netdev: the netdev in question
1879  * @wol: the ethtool WoL setting data
1880  **/
1881 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1882 {
1883         struct i40e_netdev_priv *np = netdev_priv(netdev);
1884         struct i40e_pf *pf = np->vsi->back;
1885         struct i40e_vsi *vsi = np->vsi;
1886         struct i40e_hw *hw = &pf->hw;
1887         u16 wol_nvm_bits;
1888
1889         /* WoL not supported if this isn't the controlling PF on the port */
1890         if (hw->partition_id != 1) {
1891                 i40e_partition_setting_complaint(pf);
1892                 return -EOPNOTSUPP;
1893         }
1894
1895         if (vsi != pf->vsi[pf->lan_vsi])
1896                 return -EOPNOTSUPP;
1897
1898         /* NVM bit on means WoL disabled for the port */
1899         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1900         if (BIT(hw->port) & wol_nvm_bits)
1901                 return -EOPNOTSUPP;
1902
1903         /* only magic packet is supported */
1904         if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1905                 return -EOPNOTSUPP;
1906
1907         /* is this a new value? */
1908         if (pf->wol_en != !!wol->wolopts) {
1909                 pf->wol_en = !!wol->wolopts;
1910                 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1911         }
1912
1913         return 0;
1914 }
1915
1916 static int i40e_set_phys_id(struct net_device *netdev,
1917                             enum ethtool_phys_id_state state)
1918 {
1919         struct i40e_netdev_priv *np = netdev_priv(netdev);
1920         i40e_status ret = 0;
1921         struct i40e_pf *pf = np->vsi->back;
1922         struct i40e_hw *hw = &pf->hw;
1923         int blink_freq = 2;
1924         u16 temp_status;
1925
1926         switch (state) {
1927         case ETHTOOL_ID_ACTIVE:
1928                 if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS)) {
1929                         pf->led_status = i40e_led_get(hw);
1930                 } else {
1931                         i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL, NULL);
1932                         ret = i40e_led_get_phy(hw, &temp_status,
1933                                                &pf->phy_led_val);
1934                         pf->led_status = temp_status;
1935                 }
1936                 return blink_freq;
1937         case ETHTOOL_ID_ON:
1938                 if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS))
1939                         i40e_led_set(hw, 0xf, false);
1940                 else
1941                         ret = i40e_led_set_phy(hw, true, pf->led_status, 0);
1942                 break;
1943         case ETHTOOL_ID_OFF:
1944                 if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS))
1945                         i40e_led_set(hw, 0x0, false);
1946                 else
1947                         ret = i40e_led_set_phy(hw, false, pf->led_status, 0);
1948                 break;
1949         case ETHTOOL_ID_INACTIVE:
1950                 if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS)) {
1951                         i40e_led_set(hw, pf->led_status, false);
1952                 } else {
1953                         ret = i40e_led_set_phy(hw, false, pf->led_status,
1954                                                (pf->phy_led_val |
1955                                                I40E_PHY_LED_MODE_ORIG));
1956                         i40e_aq_set_phy_debug(hw, 0, NULL);
1957                 }
1958                 break;
1959         default:
1960                 break;
1961         }
1962                 if (ret)
1963                         return -ENOENT;
1964                 else
1965                         return 0;
1966 }
1967
1968 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1969  * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1970  * 125us (8000 interrupts per second) == ITR(62)
1971  */
1972
1973 /**
1974  * __i40e_get_coalesce - get per-queue coalesce settings
1975  * @netdev: the netdev to check
1976  * @ec: ethtool coalesce data structure
1977  * @queue: which queue to pick
1978  *
1979  * Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs
1980  * are per queue. If queue is <0 then we default to queue 0 as the
1981  * representative value.
1982  **/
1983 static int __i40e_get_coalesce(struct net_device *netdev,
1984                                struct ethtool_coalesce *ec,
1985                                int queue)
1986 {
1987         struct i40e_netdev_priv *np = netdev_priv(netdev);
1988         struct i40e_ring *rx_ring, *tx_ring;
1989         struct i40e_vsi *vsi = np->vsi;
1990
1991         ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1992         ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1993
1994         /* rx and tx usecs has per queue value. If user doesn't specify the queue,
1995          * return queue 0's value to represent.
1996          */
1997         if (queue < 0) {
1998                 queue = 0;
1999         } else if (queue >= vsi->num_queue_pairs) {
2000                 return -EINVAL;
2001         }
2002
2003         rx_ring = vsi->rx_rings[queue];
2004         tx_ring = vsi->tx_rings[queue];
2005
2006         if (ITR_IS_DYNAMIC(rx_ring->rx_itr_setting))
2007                 ec->use_adaptive_rx_coalesce = 1;
2008
2009         if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting))
2010                 ec->use_adaptive_tx_coalesce = 1;
2011
2012         ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC;
2013         ec->tx_coalesce_usecs = tx_ring->tx_itr_setting & ~I40E_ITR_DYNAMIC;
2014
2015
2016         /* we use the _usecs_high to store/set the interrupt rate limit
2017          * that the hardware supports, that almost but not quite
2018          * fits the original intent of the ethtool variable,
2019          * the rx_coalesce_usecs_high limits total interrupts
2020          * per second from both tx/rx sources.
2021          */
2022         ec->rx_coalesce_usecs_high = vsi->int_rate_limit;
2023         ec->tx_coalesce_usecs_high = vsi->int_rate_limit;
2024
2025         return 0;
2026 }
2027
2028 /**
2029  * i40e_get_coalesce - get a netdev's coalesce settings
2030  * @netdev: the netdev to check
2031  * @ec: ethtool coalesce data structure
2032  *
2033  * Gets the coalesce settings for a particular netdev. Note that if user has
2034  * modified per-queue settings, this only guarantees to represent queue 0. See
2035  * __i40e_get_coalesce for more details.
2036  **/
2037 static int i40e_get_coalesce(struct net_device *netdev,
2038                              struct ethtool_coalesce *ec)
2039 {
2040         return __i40e_get_coalesce(netdev, ec, -1);
2041 }
2042
2043 /**
2044  * i40e_get_per_queue_coalesce - gets coalesce settings for particular queue
2045  * @netdev: netdev structure
2046  * @ec: ethtool's coalesce settings
2047  * @queue: the particular queue to read
2048  *
2049  * Will read a specific queue's coalesce settings
2050  **/
2051 static int i40e_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
2052                                        struct ethtool_coalesce *ec)
2053 {
2054         return __i40e_get_coalesce(netdev, ec, queue);
2055 }
2056
2057 /**
2058  * i40e_set_itr_per_queue - set ITR values for specific queue
2059  * @vsi: the VSI to set values for
2060  * @ec: coalesce settings from ethtool
2061  * @queue: the queue to modify
2062  *
2063  * Change the ITR settings for a specific queue.
2064  **/
2065
2066 static void i40e_set_itr_per_queue(struct i40e_vsi *vsi,
2067                                    struct ethtool_coalesce *ec,
2068                                    int queue)
2069 {
2070         struct i40e_pf *pf = vsi->back;
2071         struct i40e_hw *hw = &pf->hw;
2072         struct i40e_q_vector *q_vector;
2073         u16 vector, intrl;
2074
2075         intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit);
2076
2077         vsi->rx_rings[queue]->rx_itr_setting = ec->rx_coalesce_usecs;
2078         vsi->tx_rings[queue]->tx_itr_setting = ec->tx_coalesce_usecs;
2079
2080         if (ec->use_adaptive_rx_coalesce)
2081                 vsi->rx_rings[queue]->rx_itr_setting |= I40E_ITR_DYNAMIC;
2082         else
2083                 vsi->rx_rings[queue]->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
2084
2085         if (ec->use_adaptive_tx_coalesce)
2086                 vsi->tx_rings[queue]->tx_itr_setting |= I40E_ITR_DYNAMIC;
2087         else
2088                 vsi->tx_rings[queue]->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
2089
2090         q_vector = vsi->rx_rings[queue]->q_vector;
2091         q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[queue]->rx_itr_setting);
2092         vector = vsi->base_vector + q_vector->v_idx;
2093         wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), q_vector->rx.itr);
2094
2095         q_vector = vsi->tx_rings[queue]->q_vector;
2096         q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[queue]->tx_itr_setting);
2097         vector = vsi->base_vector + q_vector->v_idx;
2098         wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr);
2099
2100         wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl);
2101         i40e_flush(hw);
2102 }
2103
2104 /**
2105  * __i40e_set_coalesce - set coalesce settings for particular queue
2106  * @netdev: the netdev to change
2107  * @ec: ethtool coalesce settings
2108  * @queue: the queue to change
2109  *
2110  * Sets the coalesce settings for a particular queue.
2111  **/
2112 static int __i40e_set_coalesce(struct net_device *netdev,
2113                                struct ethtool_coalesce *ec,
2114                                int queue)
2115 {
2116         struct i40e_netdev_priv *np = netdev_priv(netdev);
2117         struct i40e_vsi *vsi = np->vsi;
2118         struct i40e_pf *pf = vsi->back;
2119         int i;
2120
2121         if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
2122                 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
2123
2124         /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */
2125         if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) {
2126                 netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n");
2127                 return -EINVAL;
2128         }
2129
2130         if (ec->rx_coalesce_usecs_high >= INTRL_REG_TO_USEC(I40E_MAX_INTRL)) {
2131                 netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-235\n");
2132                 return -EINVAL;
2133         }
2134
2135         if (ec->rx_coalesce_usecs == 0) {
2136                 if (ec->use_adaptive_rx_coalesce)
2137                         netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
2138         } else if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
2139                    (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
2140                         netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
2141                         return -EINVAL;
2142         }
2143
2144         vsi->int_rate_limit = ec->rx_coalesce_usecs_high;
2145
2146         if (ec->tx_coalesce_usecs == 0) {
2147                 if (ec->use_adaptive_tx_coalesce)
2148                         netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
2149         } else if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
2150                    (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
2151                         netif_info(pf, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n");
2152                         return -EINVAL;
2153         }
2154
2155         /* rx and tx usecs has per queue value. If user doesn't specify the queue,
2156          * apply to all queues.
2157          */
2158         if (queue < 0) {
2159                 for (i = 0; i < vsi->num_queue_pairs; i++)
2160                         i40e_set_itr_per_queue(vsi, ec, i);
2161         } else if (queue < vsi->num_queue_pairs) {
2162                 i40e_set_itr_per_queue(vsi, ec, queue);
2163         } else {
2164                 netif_info(pf, drv, netdev, "Invalid queue value, queue range is 0 - %d\n",
2165                            vsi->num_queue_pairs - 1);
2166                 return -EINVAL;
2167         }
2168
2169         return 0;
2170 }
2171
2172 /**
2173  * i40e_set_coalesce - set coalesce settings for every queue on the netdev
2174  * @netdev: the netdev to change
2175  * @ec: ethtool coalesce settings
2176  *
2177  * This will set each queue to the same coalesce settings.
2178  **/
2179 static int i40e_set_coalesce(struct net_device *netdev,
2180                              struct ethtool_coalesce *ec)
2181 {
2182         return __i40e_set_coalesce(netdev, ec, -1);
2183 }
2184
2185 /**
2186  * i40e_set_per_queue_coalesce - set specific queue's coalesce settings
2187  * @netdev: the netdev to change
2188  * @ec: ethtool's coalesce settings
2189  * @queue: the queue to change
2190  *
2191  * Sets the specified queue's coalesce settings.
2192  **/
2193 static int i40e_set_per_queue_coalesce(struct net_device *netdev, u32 queue,
2194                                        struct ethtool_coalesce *ec)
2195 {
2196         return __i40e_set_coalesce(netdev, ec, queue);
2197 }
2198
2199 /**
2200  * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
2201  * @pf: pointer to the physical function struct
2202  * @cmd: ethtool rxnfc command
2203  *
2204  * Returns Success if the flow is supported, else Invalid Input.
2205  **/
2206 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
2207 {
2208         struct i40e_hw *hw = &pf->hw;
2209         u8 flow_pctype = 0;
2210         u64 i_set = 0;
2211
2212         cmd->data = 0;
2213
2214         switch (cmd->flow_type) {
2215         case TCP_V4_FLOW:
2216                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2217                 break;
2218         case UDP_V4_FLOW:
2219                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2220                 break;
2221         case TCP_V6_FLOW:
2222                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
2223                 break;
2224         case UDP_V6_FLOW:
2225                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
2226                 break;
2227         case SCTP_V4_FLOW:
2228         case AH_ESP_V4_FLOW:
2229         case AH_V4_FLOW:
2230         case ESP_V4_FLOW:
2231         case IPV4_FLOW:
2232         case SCTP_V6_FLOW:
2233         case AH_ESP_V6_FLOW:
2234         case AH_V6_FLOW:
2235         case ESP_V6_FLOW:
2236         case IPV6_FLOW:
2237                 /* Default is src/dest for IP, no matter the L4 hashing */
2238                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2239                 break;
2240         default:
2241                 return -EINVAL;
2242         }
2243
2244         /* Read flow based hash input set register */
2245         if (flow_pctype) {
2246                 i_set = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
2247                                               flow_pctype)) |
2248                         ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
2249                                                flow_pctype)) << 32);
2250         }
2251
2252         /* Process bits of hash input set */
2253         if (i_set) {
2254                 if (i_set & I40E_L4_SRC_MASK)
2255                         cmd->data |= RXH_L4_B_0_1;
2256                 if (i_set & I40E_L4_DST_MASK)
2257                         cmd->data |= RXH_L4_B_2_3;
2258
2259                 if (cmd->flow_type == TCP_V4_FLOW ||
2260                     cmd->flow_type == UDP_V4_FLOW) {
2261                         if (i_set & I40E_L3_SRC_MASK)
2262                                 cmd->data |= RXH_IP_SRC;
2263                         if (i_set & I40E_L3_DST_MASK)
2264                                 cmd->data |= RXH_IP_DST;
2265                 } else if (cmd->flow_type == TCP_V6_FLOW ||
2266                           cmd->flow_type == UDP_V6_FLOW) {
2267                         if (i_set & I40E_L3_V6_SRC_MASK)
2268                                 cmd->data |= RXH_IP_SRC;
2269                         if (i_set & I40E_L3_V6_DST_MASK)
2270                                 cmd->data |= RXH_IP_DST;
2271                 }
2272         }
2273
2274         return 0;
2275 }
2276
2277 /**
2278  * i40e_get_ethtool_fdir_all - Populates the rule count of a command
2279  * @pf: Pointer to the physical function struct
2280  * @cmd: The command to get or set Rx flow classification rules
2281  * @rule_locs: Array of used rule locations
2282  *
2283  * This function populates both the total and actual rule count of
2284  * the ethtool flow classification command
2285  *
2286  * Returns 0 on success or -EMSGSIZE if entry not found
2287  **/
2288 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
2289                                      struct ethtool_rxnfc *cmd,
2290                                      u32 *rule_locs)
2291 {
2292         struct i40e_fdir_filter *rule;
2293         struct hlist_node *node2;
2294         int cnt = 0;
2295
2296         /* report total rule count */
2297         cmd->data = i40e_get_fd_cnt_all(pf);
2298
2299         hlist_for_each_entry_safe(rule, node2,
2300                                   &pf->fdir_filter_list, fdir_node) {
2301                 if (cnt == cmd->rule_cnt)
2302                         return -EMSGSIZE;
2303
2304                 rule_locs[cnt] = rule->fd_id;
2305                 cnt++;
2306         }
2307
2308         cmd->rule_cnt = cnt;
2309
2310         return 0;
2311 }
2312
2313 /**
2314  * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
2315  * @pf: Pointer to the physical function struct
2316  * @cmd: The command to get or set Rx flow classification rules
2317  *
2318  * This function looks up a filter based on the Rx flow classification
2319  * command and fills the flow spec info for it if found
2320  *
2321  * Returns 0 on success or -EINVAL if filter not found
2322  **/
2323 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
2324                                        struct ethtool_rxnfc *cmd)
2325 {
2326         struct ethtool_rx_flow_spec *fsp =
2327                         (struct ethtool_rx_flow_spec *)&cmd->fs;
2328         struct i40e_fdir_filter *rule = NULL;
2329         struct hlist_node *node2;
2330
2331         hlist_for_each_entry_safe(rule, node2,
2332                                   &pf->fdir_filter_list, fdir_node) {
2333                 if (fsp->location <= rule->fd_id)
2334                         break;
2335         }
2336
2337         if (!rule || fsp->location != rule->fd_id)
2338                 return -EINVAL;
2339
2340         fsp->flow_type = rule->flow_type;
2341         if (fsp->flow_type == IP_USER_FLOW) {
2342                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2343                 fsp->h_u.usr_ip4_spec.proto = 0;
2344                 fsp->m_u.usr_ip4_spec.proto = 0;
2345         }
2346
2347         /* Reverse the src and dest notion, since the HW views them from
2348          * Tx perspective where as the user expects it from Rx filter view.
2349          */
2350         fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2351         fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
2352         fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
2353         fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
2354
2355         if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2356                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2357         else
2358                 fsp->ring_cookie = rule->q_index;
2359
2360         if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2361                 struct i40e_vsi *vsi;
2362
2363                 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2364                 if (vsi && vsi->type == I40E_VSI_SRIOV) {
2365                         fsp->h_ext.data[1] = htonl(vsi->vf_id);
2366                         fsp->m_ext.data[1] = htonl(0x1);
2367                 }
2368         }
2369
2370         return 0;
2371 }
2372
2373 /**
2374  * i40e_get_rxnfc - command to get RX flow classification rules
2375  * @netdev: network interface device structure
2376  * @cmd: ethtool rxnfc command
2377  *
2378  * Returns Success if the command is supported.
2379  **/
2380 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2381                           u32 *rule_locs)
2382 {
2383         struct i40e_netdev_priv *np = netdev_priv(netdev);
2384         struct i40e_vsi *vsi = np->vsi;
2385         struct i40e_pf *pf = vsi->back;
2386         int ret = -EOPNOTSUPP;
2387
2388         switch (cmd->cmd) {
2389         case ETHTOOL_GRXRINGS:
2390                 cmd->data = vsi->num_queue_pairs;
2391                 ret = 0;
2392                 break;
2393         case ETHTOOL_GRXFH:
2394                 ret = i40e_get_rss_hash_opts(pf, cmd);
2395                 break;
2396         case ETHTOOL_GRXCLSRLCNT:
2397                 cmd->rule_cnt = pf->fdir_pf_active_filters;
2398                 /* report total rule count */
2399                 cmd->data = i40e_get_fd_cnt_all(pf);
2400                 ret = 0;
2401                 break;
2402         case ETHTOOL_GRXCLSRULE:
2403                 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2404                 break;
2405         case ETHTOOL_GRXCLSRLALL:
2406                 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2407                 break;
2408         default:
2409                 break;
2410         }
2411
2412         return ret;
2413 }
2414
2415 /**
2416  * i40e_get_rss_hash_bits - Read RSS Hash bits from register
2417  * @nfc: pointer to user request
2418  * @i_setc bits currently set
2419  *
2420  * Returns value of bits to be set per user request
2421  **/
2422 static u64 i40e_get_rss_hash_bits(struct ethtool_rxnfc *nfc, u64 i_setc)
2423 {
2424         u64 i_set = i_setc;
2425         u64 src_l3 = 0, dst_l3 = 0;
2426
2427         if (nfc->data & RXH_L4_B_0_1)
2428                 i_set |= I40E_L4_SRC_MASK;
2429         else
2430                 i_set &= ~I40E_L4_SRC_MASK;
2431         if (nfc->data & RXH_L4_B_2_3)
2432                 i_set |= I40E_L4_DST_MASK;
2433         else
2434                 i_set &= ~I40E_L4_DST_MASK;
2435
2436         if (nfc->flow_type == TCP_V6_FLOW || nfc->flow_type == UDP_V6_FLOW) {
2437                 src_l3 = I40E_L3_V6_SRC_MASK;
2438                 dst_l3 = I40E_L3_V6_DST_MASK;
2439         } else if (nfc->flow_type == TCP_V4_FLOW ||
2440                   nfc->flow_type == UDP_V4_FLOW) {
2441                 src_l3 = I40E_L3_SRC_MASK;
2442                 dst_l3 = I40E_L3_DST_MASK;
2443         } else {
2444                 /* Any other flow type are not supported here */
2445                 return i_set;
2446         }
2447
2448         if (nfc->data & RXH_IP_SRC)
2449                 i_set |= src_l3;
2450         else
2451                 i_set &= ~src_l3;
2452         if (nfc->data & RXH_IP_DST)
2453                 i_set |= dst_l3;
2454         else
2455                 i_set &= ~dst_l3;
2456
2457         return i_set;
2458 }
2459
2460 /**
2461  * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2462  * @pf: pointer to the physical function struct
2463  * @cmd: ethtool rxnfc command
2464  *
2465  * Returns Success if the flow input set is supported.
2466  **/
2467 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2468 {
2469         struct i40e_hw *hw = &pf->hw;
2470         u64 hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) |
2471                    ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32);
2472         u8 flow_pctype = 0;
2473         u64 i_set, i_setc;
2474
2475         /* RSS does not support anything other than hashing
2476          * to queues on src and dst IPs and ports
2477          */
2478         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2479                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2480                 return -EINVAL;
2481
2482         switch (nfc->flow_type) {
2483         case TCP_V4_FLOW:
2484                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2485                 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2486                         hena |=
2487                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
2488                 break;
2489         case TCP_V6_FLOW:
2490                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
2491                 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2492                         hena |=
2493                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
2494                 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2495                         hena |=
2496                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK);
2497                 break;
2498         case UDP_V4_FLOW:
2499                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2500                 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2501                         hena |=
2502                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
2503                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP);
2504
2505                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2506                 break;
2507         case UDP_V6_FLOW:
2508                 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
2509                 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2510                         hena |=
2511                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
2512                           BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP);
2513
2514                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2515                 break;
2516         case AH_ESP_V4_FLOW:
2517         case AH_V4_FLOW:
2518         case ESP_V4_FLOW:
2519         case SCTP_V4_FLOW:
2520                 if ((nfc->data & RXH_L4_B_0_1) ||
2521                     (nfc->data & RXH_L4_B_2_3))
2522                         return -EINVAL;
2523                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2524                 break;
2525         case AH_ESP_V6_FLOW:
2526         case AH_V6_FLOW:
2527         case ESP_V6_FLOW:
2528         case SCTP_V6_FLOW:
2529                 if ((nfc->data & RXH_L4_B_0_1) ||
2530                     (nfc->data & RXH_L4_B_2_3))
2531                         return -EINVAL;
2532                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2533                 break;
2534         case IPV4_FLOW:
2535                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2536                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2537                 break;
2538         case IPV6_FLOW:
2539                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2540                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2541                 break;
2542         default:
2543                 return -EINVAL;
2544         }
2545
2546         if (flow_pctype) {
2547                 i_setc = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
2548                                                flow_pctype)) |
2549                         ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
2550                                                flow_pctype)) << 32);
2551                 i_set = i40e_get_rss_hash_bits(nfc, i_setc);
2552                 i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, flow_pctype),
2553                                   (u32)i_set);
2554                 i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, flow_pctype),
2555                                   (u32)(i_set >> 32));
2556                 hena |= BIT_ULL(flow_pctype);
2557         }
2558
2559         i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (u32)hena);
2560         i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2561         i40e_flush(hw);
2562
2563         return 0;
2564 }
2565
2566 /**
2567  * i40e_match_fdir_input_set - Match a new filter against an existing one
2568  * @rule: The filter already added
2569  * @input: The new filter to comapre against
2570  *
2571  * Returns true if the two input set match
2572  **/
2573 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2574                                       struct i40e_fdir_filter *input)
2575 {
2576         if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2577             (rule->src_ip[0] != input->src_ip[0]) ||
2578             (rule->dst_port != input->dst_port) ||
2579             (rule->src_port != input->src_port))
2580                 return false;
2581         return true;
2582 }
2583
2584 /**
2585  * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2586  * @vsi: Pointer to the targeted VSI
2587  * @input: The filter to update or NULL to indicate deletion
2588  * @sw_idx: Software index to the filter
2589  * @cmd: The command to get or set Rx flow classification rules
2590  *
2591  * This function updates (or deletes) a Flow Director entry from
2592  * the hlist of the corresponding PF
2593  *
2594  * Returns 0 on success
2595  **/
2596 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2597                                           struct i40e_fdir_filter *input,
2598                                           u16 sw_idx,
2599                                           struct ethtool_rxnfc *cmd)
2600 {
2601         struct i40e_fdir_filter *rule, *parent;
2602         struct i40e_pf *pf = vsi->back;
2603         struct hlist_node *node2;
2604         int err = -EINVAL;
2605
2606         parent = NULL;
2607         rule = NULL;
2608
2609         hlist_for_each_entry_safe(rule, node2,
2610                                   &pf->fdir_filter_list, fdir_node) {
2611                 /* hash found, or no matching entry */
2612                 if (rule->fd_id >= sw_idx)
2613                         break;
2614                 parent = rule;
2615         }
2616
2617         /* if there is an old rule occupying our place remove it */
2618         if (rule && (rule->fd_id == sw_idx)) {
2619                 if (input && !i40e_match_fdir_input_set(rule, input))
2620                         err = i40e_add_del_fdir(vsi, rule, false);
2621                 else if (!input)
2622                         err = i40e_add_del_fdir(vsi, rule, false);
2623                 hlist_del(&rule->fdir_node);
2624                 kfree(rule);
2625                 pf->fdir_pf_active_filters--;
2626         }
2627
2628         /* If no input this was a delete, err should be 0 if a rule was
2629          * successfully found and removed from the list else -EINVAL
2630          */
2631         if (!input)
2632                 return err;
2633
2634         /* initialize node and set software index */
2635         INIT_HLIST_NODE(&input->fdir_node);
2636
2637         /* add filter to the list */
2638         if (parent)
2639                 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2640         else
2641                 hlist_add_head(&input->fdir_node,
2642                                &pf->fdir_filter_list);
2643
2644         /* update counts */
2645         pf->fdir_pf_active_filters++;
2646
2647         return 0;
2648 }
2649
2650 /**
2651  * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2652  * @vsi: Pointer to the targeted VSI
2653  * @cmd: The command to get or set Rx flow classification rules
2654  *
2655  * The function removes a Flow Director filter entry from the
2656  * hlist of the corresponding PF
2657  *
2658  * Returns 0 on success
2659  */
2660 static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2661                                struct ethtool_rxnfc *cmd)
2662 {
2663         struct ethtool_rx_flow_spec *fsp =
2664                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2665         struct i40e_pf *pf = vsi->back;
2666         int ret = 0;
2667
2668         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2669             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2670                 return -EBUSY;
2671
2672         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2673                 return -EBUSY;
2674
2675         ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2676
2677         i40e_fdir_check_and_reenable(pf);
2678         return ret;
2679 }
2680
2681 /**
2682  * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2683  * @vsi: pointer to the targeted VSI
2684  * @cmd: command to get or set RX flow classification rules
2685  *
2686  * Add Flow Director filters for a specific flow spec based on their
2687  * protocol.  Returns 0 if the filters were successfully added.
2688  **/
2689 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2690                                  struct ethtool_rxnfc *cmd)
2691 {
2692         struct ethtool_rx_flow_spec *fsp;
2693         struct i40e_fdir_filter *input;
2694         struct i40e_pf *pf;
2695         int ret = -EINVAL;
2696         u16 vf_id;
2697
2698         if (!vsi)
2699                 return -EINVAL;
2700         pf = vsi->back;
2701
2702         if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2703                 return -EOPNOTSUPP;
2704
2705         if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2706                 return -ENOSPC;
2707
2708         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2709             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2710                 return -EBUSY;
2711
2712         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2713                 return -EBUSY;
2714
2715         fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2716
2717         if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2718                               pf->hw.func_caps.fd_filters_guaranteed)) {
2719                 return -EINVAL;
2720         }
2721
2722         if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2723             (fsp->ring_cookie >= vsi->num_queue_pairs))
2724                 return -EINVAL;
2725
2726         input = kzalloc(sizeof(*input), GFP_KERNEL);
2727
2728         if (!input)
2729                 return -ENOMEM;
2730
2731         input->fd_id = fsp->location;
2732
2733         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2734                 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2735         else
2736                 input->dest_ctl =
2737                              I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2738
2739         input->q_index = fsp->ring_cookie;
2740         input->flex_off = 0;
2741         input->pctype = 0;
2742         input->dest_vsi = vsi->id;
2743         input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2744         input->cnt_index  = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2745         input->flow_type = fsp->flow_type;
2746         input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2747
2748         /* Reverse the src and dest notion, since the HW expects them to be from
2749          * Tx perspective where as the input from user is from Rx filter view.
2750          */
2751         input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2752         input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2753         input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2754         input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2755
2756         if (ntohl(fsp->m_ext.data[1])) {
2757                 vf_id = ntohl(fsp->h_ext.data[1]);
2758                 if (vf_id >= pf->num_alloc_vfs) {
2759                         netif_info(pf, drv, vsi->netdev,
2760                                    "Invalid VF id %d\n", vf_id);
2761                         goto free_input;
2762                 }
2763                 /* Find vsi id from vf id and override dest vsi */
2764                 input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2765                 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2766                         netif_info(pf, drv, vsi->netdev,
2767                                    "Invalid queue id %d for VF %d\n",
2768                                    input->q_index, vf_id);
2769                         goto free_input;
2770                 }
2771         }
2772
2773         ret = i40e_add_del_fdir(vsi, input, true);
2774 free_input:
2775         if (ret)
2776                 kfree(input);
2777         else
2778                 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2779
2780         return ret;
2781 }
2782
2783 /**
2784  * i40e_set_rxnfc - command to set RX flow classification rules
2785  * @netdev: network interface device structure
2786  * @cmd: ethtool rxnfc command
2787  *
2788  * Returns Success if the command is supported.
2789  **/
2790 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2791 {
2792         struct i40e_netdev_priv *np = netdev_priv(netdev);
2793         struct i40e_vsi *vsi = np->vsi;
2794         struct i40e_pf *pf = vsi->back;
2795         int ret = -EOPNOTSUPP;
2796
2797         switch (cmd->cmd) {
2798         case ETHTOOL_SRXFH:
2799                 ret = i40e_set_rss_hash_opt(pf, cmd);
2800                 break;
2801         case ETHTOOL_SRXCLSRLINS:
2802                 ret = i40e_add_fdir_ethtool(vsi, cmd);
2803                 break;
2804         case ETHTOOL_SRXCLSRLDEL:
2805                 ret = i40e_del_fdir_entry(vsi, cmd);
2806                 break;
2807         default:
2808                 break;
2809         }
2810
2811         return ret;
2812 }
2813
2814 /**
2815  * i40e_max_channels - get Max number of combined channels supported
2816  * @vsi: vsi pointer
2817  **/
2818 static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2819 {
2820         /* TODO: This code assumes DCB and FD is disabled for now. */
2821         return vsi->alloc_queue_pairs;
2822 }
2823
2824 /**
2825  * i40e_get_channels - Get the current channels enabled and max supported etc.
2826  * @netdev: network interface device structure
2827  * @ch: ethtool channels structure
2828  *
2829  * We don't support separate tx and rx queues as channels. The other count
2830  * represents how many queues are being used for control. max_combined counts
2831  * how many queue pairs we can support. They may not be mapped 1 to 1 with
2832  * q_vectors since we support a lot more queue pairs than q_vectors.
2833  **/
2834 static void i40e_get_channels(struct net_device *dev,
2835                                struct ethtool_channels *ch)
2836 {
2837         struct i40e_netdev_priv *np = netdev_priv(dev);
2838         struct i40e_vsi *vsi = np->vsi;
2839         struct i40e_pf *pf = vsi->back;
2840
2841         /* report maximum channels */
2842         ch->max_combined = i40e_max_channels(vsi);
2843
2844         /* report info for other vector */
2845         ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2846         ch->max_other = ch->other_count;
2847
2848         /* Note: This code assumes DCB is disabled for now. */
2849         ch->combined_count = vsi->num_queue_pairs;
2850 }
2851
2852 /**
2853  * i40e_set_channels - Set the new channels count.
2854  * @netdev: network interface device structure
2855  * @ch: ethtool channels structure
2856  *
2857  * The new channels count may not be the same as requested by the user
2858  * since it gets rounded down to a power of 2 value.
2859  **/
2860 static int i40e_set_channels(struct net_device *dev,
2861                               struct ethtool_channels *ch)
2862 {
2863         const u8 drop = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2864         struct i40e_netdev_priv *np = netdev_priv(dev);
2865         unsigned int count = ch->combined_count;
2866         struct i40e_vsi *vsi = np->vsi;
2867         struct i40e_pf *pf = vsi->back;
2868         struct i40e_fdir_filter *rule;
2869         struct hlist_node *node2;
2870         int new_count;
2871         int err = 0;
2872
2873         /* We do not support setting channels for any other VSI at present */
2874         if (vsi->type != I40E_VSI_MAIN)
2875                 return -EINVAL;
2876
2877         /* verify they are not requesting separate vectors */
2878         if (!count || ch->rx_count || ch->tx_count)
2879                 return -EINVAL;
2880
2881         /* verify other_count has not changed */
2882         if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2883                 return -EINVAL;
2884
2885         /* verify the number of channels does not exceed hardware limits */
2886         if (count > i40e_max_channels(vsi))
2887                 return -EINVAL;
2888
2889         /* verify that the number of channels does not invalidate any current
2890          * flow director rules
2891          */
2892         hlist_for_each_entry_safe(rule, node2,
2893                                   &pf->fdir_filter_list, fdir_node) {
2894                 if (rule->dest_ctl != drop && count <= rule->q_index) {
2895                         dev_warn(&pf->pdev->dev,
2896                                  "Existing user defined filter %d assigns flow to queue %d\n",
2897                                  rule->fd_id, rule->q_index);
2898                         err = -EINVAL;
2899                 }
2900         }
2901
2902         if (err) {
2903                 dev_err(&pf->pdev->dev,
2904                         "Existing filter rules must be deleted to reduce combined channel count to %d\n",
2905                         count);
2906                 return err;
2907         }
2908
2909         /* update feature limits from largest to smallest supported values */
2910         /* TODO: Flow director limit, DCB etc */
2911
2912         /* use rss_reconfig to rebuild with new queue count and update traffic
2913          * class queue mapping
2914          */
2915         new_count = i40e_reconfig_rss_queues(pf, count);
2916         if (new_count > 0)
2917                 return 0;
2918         else
2919                 return -EINVAL;
2920 }
2921
2922 /**
2923  * i40e_get_rxfh_key_size - get the RSS hash key size
2924  * @netdev: network interface device structure
2925  *
2926  * Returns the table size.
2927  **/
2928 static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2929 {
2930         return I40E_HKEY_ARRAY_SIZE;
2931 }
2932
2933 /**
2934  * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2935  * @netdev: network interface device structure
2936  *
2937  * Returns the table size.
2938  **/
2939 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2940 {
2941         return I40E_HLUT_ARRAY_SIZE;
2942 }
2943
2944 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2945                          u8 *hfunc)
2946 {
2947         struct i40e_netdev_priv *np = netdev_priv(netdev);
2948         struct i40e_vsi *vsi = np->vsi;
2949         u8 *lut, *seed = NULL;
2950         int ret;
2951         u16 i;
2952
2953         if (hfunc)
2954                 *hfunc = ETH_RSS_HASH_TOP;
2955
2956         if (!indir)
2957                 return 0;
2958
2959         seed = key;
2960         lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
2961         if (!lut)
2962                 return -ENOMEM;
2963         ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE);
2964         if (ret)
2965                 goto out;
2966         for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
2967                 indir[i] = (u32)(lut[i]);
2968
2969 out:
2970         kfree(lut);
2971
2972         return ret;
2973 }
2974
2975 /**
2976  * i40e_set_rxfh - set the rx flow hash indirection table
2977  * @netdev: network interface device structure
2978  * @indir: indirection table
2979  * @key: hash key
2980  *
2981  * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2982  * returns 0 after programming the table.
2983  **/
2984 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2985                          const u8 *key, const u8 hfunc)
2986 {
2987         struct i40e_netdev_priv *np = netdev_priv(netdev);
2988         struct i40e_vsi *vsi = np->vsi;
2989         struct i40e_pf *pf = vsi->back;
2990         u8 *seed = NULL;
2991         u16 i;
2992
2993         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
2994                 return -EOPNOTSUPP;
2995
2996         if (key) {
2997                 if (!vsi->rss_hkey_user) {
2998                         vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE,
2999                                                      GFP_KERNEL);
3000                         if (!vsi->rss_hkey_user)
3001                                 return -ENOMEM;
3002                 }
3003                 memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE);
3004                 seed = vsi->rss_hkey_user;
3005         }
3006         if (!vsi->rss_lut_user) {
3007                 vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
3008                 if (!vsi->rss_lut_user)
3009                         return -ENOMEM;
3010         }
3011
3012         /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3013         if (indir)
3014                 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
3015                         vsi->rss_lut_user[i] = (u8)(indir[i]);
3016         else
3017                 i40e_fill_rss_lut(pf, vsi->rss_lut_user, I40E_HLUT_ARRAY_SIZE,
3018                                   vsi->rss_size);
3019
3020         return i40e_config_rss(vsi, seed, vsi->rss_lut_user,
3021                                I40E_HLUT_ARRAY_SIZE);
3022 }
3023
3024 /**
3025  * i40e_get_priv_flags - report device private flags
3026  * @dev: network interface device structure
3027  *
3028  * The get string set count and the string set should be matched for each
3029  * flag returned.  Add new strings for each flag to the i40e_priv_flags_strings
3030  * array.
3031  *
3032  * Returns a u32 bitmap of flags.
3033  **/
3034 static u32 i40e_get_priv_flags(struct net_device *dev)
3035 {
3036         struct i40e_netdev_priv *np = netdev_priv(dev);
3037         struct i40e_vsi *vsi = np->vsi;
3038         struct i40e_pf *pf = vsi->back;
3039         u32 ret_flags = 0;
3040
3041         ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ?
3042                 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0;
3043         ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ?
3044                 I40E_PRIV_FLAGS_FD_ATR : 0;
3045         ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ?
3046                 I40E_PRIV_FLAGS_VEB_STATS : 0;
3047         ret_flags |= pf->auto_disable_flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE ?
3048                 0 : I40E_PRIV_FLAGS_HW_ATR_EVICT;
3049         if (pf->hw.pf_id == 0) {
3050                 ret_flags |= pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT ?
3051                         I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT : 0;
3052         }
3053
3054         return ret_flags;
3055 }
3056
3057 /**
3058  * i40e_set_priv_flags - set private flags
3059  * @dev: network interface device structure
3060  * @flags: bit flags to be set
3061  **/
3062 static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
3063 {
3064         struct i40e_netdev_priv *np = netdev_priv(dev);
3065         struct i40e_vsi *vsi = np->vsi;
3066         struct i40e_pf *pf = vsi->back;
3067         u16 sw_flags = 0, valid_flags = 0;
3068         bool reset_required = false;
3069         bool promisc_change = false;
3070         int ret;
3071
3072         /* NOTE: MFP is not settable */
3073
3074         if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
3075                 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
3076         else
3077                 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;
3078
3079         /* allow the user to control the state of the Flow
3080          * Director ATR (Application Targeted Routing) feature
3081          * of the driver
3082          */
3083         if (flags & I40E_PRIV_FLAGS_FD_ATR) {
3084                 pf->flags |= I40E_FLAG_FD_ATR_ENABLED;
3085         } else {
3086                 pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED;
3087                 pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED;
3088
3089                 /* flush current ATR settings */
3090                 set_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state);
3091         }
3092
3093         if ((flags & I40E_PRIV_FLAGS_VEB_STATS) &&
3094             !(pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
3095                 pf->flags |= I40E_FLAG_VEB_STATS_ENABLED;
3096                 reset_required = true;
3097         } else if (!(flags & I40E_PRIV_FLAGS_VEB_STATS) &&
3098                    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
3099                 pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED;
3100                 reset_required = true;
3101         }
3102
3103         if (pf->hw.pf_id == 0) {
3104                 if ((flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) &&
3105                     !(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) {
3106                         pf->flags |= I40E_FLAG_TRUE_PROMISC_SUPPORT;
3107                         promisc_change = true;
3108                 } else if (!(flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) &&
3109                            (pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) {
3110                         pf->flags &= ~I40E_FLAG_TRUE_PROMISC_SUPPORT;
3111                         promisc_change = true;
3112                 }
3113         }
3114         if (promisc_change) {
3115                 if (!(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT))
3116                         sw_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
3117                 valid_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
3118                 ret = i40e_aq_set_switch_config(&pf->hw, sw_flags, valid_flags,
3119                                                 NULL);
3120                 if (ret && pf->hw.aq.asq_last_status != I40E_AQ_RC_ESRCH) {
3121                         dev_info(&pf->pdev->dev,
3122                                  "couldn't set switch config bits, err %s aq_err %s\n",
3123                                  i40e_stat_str(&pf->hw, ret),
3124                                  i40e_aq_str(&pf->hw,
3125                                              pf->hw.aq.asq_last_status));
3126                         /* not a fatal problem, just keep going */
3127                 }
3128         }
3129
3130         if ((flags & I40E_PRIV_FLAGS_HW_ATR_EVICT) &&
3131             (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE))
3132                 pf->auto_disable_flags &= ~I40E_FLAG_HW_ATR_EVICT_CAPABLE;
3133         else
3134                 pf->auto_disable_flags |= I40E_FLAG_HW_ATR_EVICT_CAPABLE;
3135
3136         /* if needed, issue reset to cause things to take effect */
3137         if (reset_required)
3138                 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
3139
3140         return 0;
3141 }
3142
3143 static const struct ethtool_ops i40e_ethtool_ops = {
3144         .get_settings           = i40e_get_settings,
3145         .set_settings           = i40e_set_settings,
3146         .get_drvinfo            = i40e_get_drvinfo,
3147         .get_regs_len           = i40e_get_regs_len,
3148         .get_regs               = i40e_get_regs,
3149         .nway_reset             = i40e_nway_reset,
3150         .get_link               = ethtool_op_get_link,
3151         .get_wol                = i40e_get_wol,
3152         .set_wol                = i40e_set_wol,
3153         .set_eeprom             = i40e_set_eeprom,
3154         .get_eeprom_len         = i40e_get_eeprom_len,
3155         .get_eeprom             = i40e_get_eeprom,
3156         .get_ringparam          = i40e_get_ringparam,
3157         .set_ringparam          = i40e_set_ringparam,
3158         .get_pauseparam         = i40e_get_pauseparam,
3159         .set_pauseparam         = i40e_set_pauseparam,
3160         .get_msglevel           = i40e_get_msglevel,
3161         .set_msglevel           = i40e_set_msglevel,
3162         .get_rxnfc              = i40e_get_rxnfc,
3163         .set_rxnfc              = i40e_set_rxnfc,
3164         .self_test              = i40e_diag_test,
3165         .get_strings            = i40e_get_strings,
3166         .set_phys_id            = i40e_set_phys_id,
3167         .get_sset_count         = i40e_get_sset_count,
3168         .get_ethtool_stats      = i40e_get_ethtool_stats,
3169         .get_coalesce           = i40e_get_coalesce,
3170         .set_coalesce           = i40e_set_coalesce,
3171         .get_rxfh_key_size      = i40e_get_rxfh_key_size,
3172         .get_rxfh_indir_size    = i40e_get_rxfh_indir_size,
3173         .get_rxfh               = i40e_get_rxfh,
3174         .set_rxfh               = i40e_set_rxfh,
3175         .get_channels           = i40e_get_channels,
3176         .set_channels           = i40e_set_channels,
3177         .get_ts_info            = i40e_get_ts_info,
3178         .get_priv_flags         = i40e_get_priv_flags,
3179         .set_priv_flags         = i40e_set_priv_flags,
3180         .get_per_queue_coalesce = i40e_get_per_queue_coalesce,
3181         .set_per_queue_coalesce = i40e_set_per_queue_coalesce,
3182 };
3183
3184 void i40e_set_ethtool_ops(struct net_device *netdev)
3185 {
3186         netdev->ethtool_ops = &i40e_ethtool_ops;
3187 }