linux/drivers/net/ethernet/intel/igb/igb_ethtool.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/* Copyright(c) 2007 - 2018 Intel Corporation. */
   3
   4/* ethtool support for igb */
   5
   6#include <linux/vmalloc.h>
   7#include <linux/netdevice.h>
   8#include <linux/pci.h>
   9#include <linux/delay.h>
  10#include <linux/interrupt.h>
  11#include <linux/if_ether.h>
  12#include <linux/ethtool.h>
  13#include <linux/sched.h>
  14#include <linux/slab.h>
  15#include <linux/pm_runtime.h>
  16#include <linux/highmem.h>
  17#include <linux/mdio.h>
  18
  19#include "igb.h"
  20
  21struct igb_stats {
  22        char stat_string[ETH_GSTRING_LEN];
  23        int sizeof_stat;
  24        int stat_offset;
  25};
  26
  27#define IGB_STAT(_name, _stat) { \
  28        .stat_string = _name, \
  29        .sizeof_stat = sizeof_field(struct igb_adapter, _stat), \
  30        .stat_offset = offsetof(struct igb_adapter, _stat) \
  31}
  32static const struct igb_stats igb_gstrings_stats[] = {
  33        IGB_STAT("rx_packets", stats.gprc),
  34        IGB_STAT("tx_packets", stats.gptc),
  35        IGB_STAT("rx_bytes", stats.gorc),
  36        IGB_STAT("tx_bytes", stats.gotc),
  37        IGB_STAT("rx_broadcast", stats.bprc),
  38        IGB_STAT("tx_broadcast", stats.bptc),
  39        IGB_STAT("rx_multicast", stats.mprc),
  40        IGB_STAT("tx_multicast", stats.mptc),
  41        IGB_STAT("multicast", stats.mprc),
  42        IGB_STAT("collisions", stats.colc),
  43        IGB_STAT("rx_crc_errors", stats.crcerrs),
  44        IGB_STAT("rx_no_buffer_count", stats.rnbc),
  45        IGB_STAT("rx_missed_errors", stats.mpc),
  46        IGB_STAT("tx_aborted_errors", stats.ecol),
  47        IGB_STAT("tx_carrier_errors", stats.tncrs),
  48        IGB_STAT("tx_window_errors", stats.latecol),
  49        IGB_STAT("tx_abort_late_coll", stats.latecol),
  50        IGB_STAT("tx_deferred_ok", stats.dc),
  51        IGB_STAT("tx_single_coll_ok", stats.scc),
  52        IGB_STAT("tx_multi_coll_ok", stats.mcc),
  53        IGB_STAT("tx_timeout_count", tx_timeout_count),
  54        IGB_STAT("rx_long_length_errors", stats.roc),
  55        IGB_STAT("rx_short_length_errors", stats.ruc),
  56        IGB_STAT("rx_align_errors", stats.algnerrc),
  57        IGB_STAT("tx_tcp_seg_good", stats.tsctc),
  58        IGB_STAT("tx_tcp_seg_failed", stats.tsctfc),
  59        IGB_STAT("rx_flow_control_xon", stats.xonrxc),
  60        IGB_STAT("rx_flow_control_xoff", stats.xoffrxc),
  61        IGB_STAT("tx_flow_control_xon", stats.xontxc),
  62        IGB_STAT("tx_flow_control_xoff", stats.xofftxc),
  63        IGB_STAT("rx_long_byte_count", stats.gorc),
  64        IGB_STAT("tx_dma_out_of_sync", stats.doosync),
  65        IGB_STAT("tx_smbus", stats.mgptc),
  66        IGB_STAT("rx_smbus", stats.mgprc),
  67        IGB_STAT("dropped_smbus", stats.mgpdc),
  68        IGB_STAT("os2bmc_rx_by_bmc", stats.o2bgptc),
  69        IGB_STAT("os2bmc_tx_by_bmc", stats.b2ospc),
  70        IGB_STAT("os2bmc_tx_by_host", stats.o2bspc),
  71        IGB_STAT("os2bmc_rx_by_host", stats.b2ogprc),
  72        IGB_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
  73        IGB_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped),
  74        IGB_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
  75};
  76
  77#define IGB_NETDEV_STAT(_net_stat) { \
  78        .stat_string = __stringify(_net_stat), \
  79        .sizeof_stat = sizeof_field(struct rtnl_link_stats64, _net_stat), \
  80        .stat_offset = offsetof(struct rtnl_link_stats64, _net_stat) \
  81}
  82static const struct igb_stats igb_gstrings_net_stats[] = {
  83        IGB_NETDEV_STAT(rx_errors),
  84        IGB_NETDEV_STAT(tx_errors),
  85        IGB_NETDEV_STAT(tx_dropped),
  86        IGB_NETDEV_STAT(rx_length_errors),
  87        IGB_NETDEV_STAT(rx_over_errors),
  88        IGB_NETDEV_STAT(rx_frame_errors),
  89        IGB_NETDEV_STAT(rx_fifo_errors),
  90        IGB_NETDEV_STAT(tx_fifo_errors),
  91        IGB_NETDEV_STAT(tx_heartbeat_errors)
  92};
  93
  94#define IGB_GLOBAL_STATS_LEN    \
  95        (sizeof(igb_gstrings_stats) / sizeof(struct igb_stats))
  96#define IGB_NETDEV_STATS_LEN    \
  97        (sizeof(igb_gstrings_net_stats) / sizeof(struct igb_stats))
  98#define IGB_RX_QUEUE_STATS_LEN \
  99        (sizeof(struct igb_rx_queue_stats) / sizeof(u64))
 100
 101#define IGB_TX_QUEUE_STATS_LEN 3 /* packets, bytes, restart_queue */
 102
 103#define IGB_QUEUE_STATS_LEN \
 104        ((((struct igb_adapter *)netdev_priv(netdev))->num_rx_queues * \
 105          IGB_RX_QUEUE_STATS_LEN) + \
 106         (((struct igb_adapter *)netdev_priv(netdev))->num_tx_queues * \
 107          IGB_TX_QUEUE_STATS_LEN))
 108#define IGB_STATS_LEN \
 109        (IGB_GLOBAL_STATS_LEN + IGB_NETDEV_STATS_LEN + IGB_QUEUE_STATS_LEN)
 110
 111enum igb_diagnostics_results {
 112        TEST_REG = 0,
 113        TEST_EEP,
 114        TEST_IRQ,
 115        TEST_LOOP,
 116        TEST_LINK
 117};
 118
 119static const char igb_gstrings_test[][ETH_GSTRING_LEN] = {
 120        [TEST_REG]  = "Register test  (offline)",
 121        [TEST_EEP]  = "Eeprom test    (offline)",
 122        [TEST_IRQ]  = "Interrupt test (offline)",
 123        [TEST_LOOP] = "Loopback test  (offline)",
 124        [TEST_LINK] = "Link test   (on/offline)"
 125};
 126#define IGB_TEST_LEN (sizeof(igb_gstrings_test) / ETH_GSTRING_LEN)
 127
 128static const char igb_priv_flags_strings[][ETH_GSTRING_LEN] = {
 129#define IGB_PRIV_FLAGS_LEGACY_RX        BIT(0)
 130        "legacy-rx",
 131};
 132
 133#define IGB_PRIV_FLAGS_STR_LEN ARRAY_SIZE(igb_priv_flags_strings)
 134
 135static int igb_get_link_ksettings(struct net_device *netdev,
 136                                  struct ethtool_link_ksettings *cmd)
 137{
 138        struct igb_adapter *adapter = netdev_priv(netdev);
 139        struct e1000_hw *hw = &adapter->hw;
 140        struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
 141        struct e1000_sfp_flags *eth_flags = &dev_spec->eth_flags;
 142        u32 status;
 143        u32 speed;
 144        u32 supported, advertising;
 145
 146        status = pm_runtime_suspended(&adapter->pdev->dev) ?
 147                 0 : rd32(E1000_STATUS);
 148        if (hw->phy.media_type == e1000_media_type_copper) {
 149
 150                supported = (SUPPORTED_10baseT_Half |
 151                             SUPPORTED_10baseT_Full |
 152                             SUPPORTED_100baseT_Half |
 153                             SUPPORTED_100baseT_Full |
 154                             SUPPORTED_1000baseT_Full|
 155                             SUPPORTED_Autoneg |
 156                             SUPPORTED_TP |
 157                             SUPPORTED_Pause);
 158                advertising = ADVERTISED_TP;
 159
 160                if (hw->mac.autoneg == 1) {
 161                        advertising |= ADVERTISED_Autoneg;
 162                        /* the e1000 autoneg seems to match ethtool nicely */
 163                        advertising |= hw->phy.autoneg_advertised;
 164                }
 165
 166                cmd->base.port = PORT_TP;
 167                cmd->base.phy_address = hw->phy.addr;
 168        } else {
 169                supported = (SUPPORTED_FIBRE |
 170                             SUPPORTED_1000baseKX_Full |
 171                             SUPPORTED_Autoneg |
 172                             SUPPORTED_Pause);
 173                advertising = (ADVERTISED_FIBRE |
 174                               ADVERTISED_1000baseKX_Full);
 175                if (hw->mac.type == e1000_i354) {
 176                        if ((hw->device_id ==
 177                             E1000_DEV_ID_I354_BACKPLANE_2_5GBPS) &&
 178                            !(status & E1000_STATUS_2P5_SKU_OVER)) {
 179                                supported |= SUPPORTED_2500baseX_Full;
 180                                supported &= ~SUPPORTED_1000baseKX_Full;
 181                                advertising |= ADVERTISED_2500baseX_Full;
 182                                advertising &= ~ADVERTISED_1000baseKX_Full;
 183                        }
 184                }
 185                if (eth_flags->e100_base_fx || eth_flags->e100_base_lx) {
 186                        supported |= SUPPORTED_100baseT_Full;
 187                        advertising |= ADVERTISED_100baseT_Full;
 188                }
 189                if (hw->mac.autoneg == 1)
 190                        advertising |= ADVERTISED_Autoneg;
 191
 192                cmd->base.port = PORT_FIBRE;
 193        }
 194        if (hw->mac.autoneg != 1)
 195                advertising &= ~(ADVERTISED_Pause |
 196                                 ADVERTISED_Asym_Pause);
 197
 198        switch (hw->fc.requested_mode) {
 199        case e1000_fc_full:
 200                advertising |= ADVERTISED_Pause;
 201                break;
 202        case e1000_fc_rx_pause:
 203                advertising |= (ADVERTISED_Pause |
 204                                ADVERTISED_Asym_Pause);
 205                break;
 206        case e1000_fc_tx_pause:
 207                advertising |=  ADVERTISED_Asym_Pause;
 208                break;
 209        default:
 210                advertising &= ~(ADVERTISED_Pause |
 211                                 ADVERTISED_Asym_Pause);
 212        }
 213        if (status & E1000_STATUS_LU) {
 214                if ((status & E1000_STATUS_2P5_SKU) &&
 215                    !(status & E1000_STATUS_2P5_SKU_OVER)) {
 216                        speed = SPEED_2500;
 217                } else if (status & E1000_STATUS_SPEED_1000) {
 218                        speed = SPEED_1000;
 219                } else if (status & E1000_STATUS_SPEED_100) {
 220                        speed = SPEED_100;
 221                } else {
 222                        speed = SPEED_10;
 223                }
 224                if ((status & E1000_STATUS_FD) ||
 225                    hw->phy.media_type != e1000_media_type_copper)
 226                        cmd->base.duplex = DUPLEX_FULL;
 227                else
 228                        cmd->base.duplex = DUPLEX_HALF;
 229        } else {
 230                speed = SPEED_UNKNOWN;
 231                cmd->base.duplex = DUPLEX_UNKNOWN;
 232        }
 233        cmd->base.speed = speed;
 234        if ((hw->phy.media_type == e1000_media_type_fiber) ||
 235            hw->mac.autoneg)
 236                cmd->base.autoneg = AUTONEG_ENABLE;
 237        else
 238                cmd->base.autoneg = AUTONEG_DISABLE;
 239
 240        /* MDI-X => 2; MDI =>1; Invalid =>0 */
 241        if (hw->phy.media_type == e1000_media_type_copper)
 242                cmd->base.eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
 243                                                      ETH_TP_MDI;
 244        else
 245                cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
 246
 247        if (hw->phy.mdix == AUTO_ALL_MODES)
 248                cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 249        else
 250                cmd->base.eth_tp_mdix_ctrl = hw->phy.mdix;
 251
 252        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 253                                                supported);
 254        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 255                                                advertising);
 256
 257        return 0;
 258}
 259
 260static int igb_set_link_ksettings(struct net_device *netdev,
 261                                  const struct ethtool_link_ksettings *cmd)
 262{
 263        struct igb_adapter *adapter = netdev_priv(netdev);
 264        struct e1000_hw *hw = &adapter->hw;
 265        u32 advertising;
 266
 267        /* When SoL/IDER sessions are active, autoneg/speed/duplex
 268         * cannot be changed
 269         */
 270        if (igb_check_reset_block(hw)) {
 271                dev_err(&adapter->pdev->dev,
 272                        "Cannot change link characteristics when SoL/IDER is active.\n");
 273                return -EINVAL;
 274        }
 275
 276        /* MDI setting is only allowed when autoneg enabled because
 277         * some hardware doesn't allow MDI setting when speed or
 278         * duplex is forced.
 279         */
 280        if (cmd->base.eth_tp_mdix_ctrl) {
 281                if (hw->phy.media_type != e1000_media_type_copper)
 282                        return -EOPNOTSUPP;
 283
 284                if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
 285                    (cmd->base.autoneg != AUTONEG_ENABLE)) {
 286                        dev_err(&adapter->pdev->dev, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
 287                        return -EINVAL;
 288                }
 289        }
 290
 291        while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
 292                usleep_range(1000, 2000);
 293
 294        ethtool_convert_link_mode_to_legacy_u32(&advertising,
 295                                                cmd->link_modes.advertising);
 296
 297        if (cmd->base.autoneg == AUTONEG_ENABLE) {
 298                hw->mac.autoneg = 1;
 299                if (hw->phy.media_type == e1000_media_type_fiber) {
 300                        hw->phy.autoneg_advertised = advertising |
 301                                                     ADVERTISED_FIBRE |
 302                                                     ADVERTISED_Autoneg;
 303                        switch (adapter->link_speed) {
 304                        case SPEED_2500:
 305                                hw->phy.autoneg_advertised =
 306                                        ADVERTISED_2500baseX_Full;
 307                                break;
 308                        case SPEED_1000:
 309                                hw->phy.autoneg_advertised =
 310                                        ADVERTISED_1000baseT_Full;
 311                                break;
 312                        case SPEED_100:
 313                                hw->phy.autoneg_advertised =
 314                                        ADVERTISED_100baseT_Full;
 315                                break;
 316                        default:
 317                                break;
 318                        }
 319                } else {
 320                        hw->phy.autoneg_advertised = advertising |
 321                                                     ADVERTISED_TP |
 322                                                     ADVERTISED_Autoneg;
 323                }
 324                advertising = hw->phy.autoneg_advertised;
 325                if (adapter->fc_autoneg)
 326                        hw->fc.requested_mode = e1000_fc_default;
 327        } else {
 328                u32 speed = cmd->base.speed;
 329                /* calling this overrides forced MDI setting */
 330                if (igb_set_spd_dplx(adapter, speed, cmd->base.duplex)) {
 331                        clear_bit(__IGB_RESETTING, &adapter->state);
 332                        return -EINVAL;
 333                }
 334        }
 335
 336        /* MDI-X => 2; MDI => 1; Auto => 3 */
 337        if (cmd->base.eth_tp_mdix_ctrl) {
 338                /* fix up the value for auto (3 => 0) as zero is mapped
 339                 * internally to auto
 340                 */
 341                if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
 342                        hw->phy.mdix = AUTO_ALL_MODES;
 343                else
 344                        hw->phy.mdix = cmd->base.eth_tp_mdix_ctrl;
 345        }
 346
 347        /* reset the link */
 348        if (netif_running(adapter->netdev)) {
 349                igb_down(adapter);
 350                igb_up(adapter);
 351        } else
 352                igb_reset(adapter);
 353
 354        clear_bit(__IGB_RESETTING, &adapter->state);
 355        return 0;
 356}
 357
 358static u32 igb_get_link(struct net_device *netdev)
 359{
 360        struct igb_adapter *adapter = netdev_priv(netdev);
 361        struct e1000_mac_info *mac = &adapter->hw.mac;
 362
 363        /* If the link is not reported up to netdev, interrupts are disabled,
 364         * and so the physical link state may have changed since we last
 365         * looked. Set get_link_status to make sure that the true link
 366         * state is interrogated, rather than pulling a cached and possibly
 367         * stale link state from the driver.
 368         */
 369        if (!netif_carrier_ok(netdev))
 370                mac->get_link_status = 1;
 371
 372        return igb_has_link(adapter);
 373}
 374
 375static void igb_get_pauseparam(struct net_device *netdev,
 376                               struct ethtool_pauseparam *pause)
 377{
 378        struct igb_adapter *adapter = netdev_priv(netdev);
 379        struct e1000_hw *hw = &adapter->hw;
 380
 381        pause->autoneg =
 382                (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 383
 384        if (hw->fc.current_mode == e1000_fc_rx_pause)
 385                pause->rx_pause = 1;
 386        else if (hw->fc.current_mode == e1000_fc_tx_pause)
 387                pause->tx_pause = 1;
 388        else if (hw->fc.current_mode == e1000_fc_full) {
 389                pause->rx_pause = 1;
 390                pause->tx_pause = 1;
 391        }
 392}
 393
 394static int igb_set_pauseparam(struct net_device *netdev,
 395                              struct ethtool_pauseparam *pause)
 396{
 397        struct igb_adapter *adapter = netdev_priv(netdev);
 398        struct e1000_hw *hw = &adapter->hw;
 399        int retval = 0;
 400        int i;
 401
 402        /* 100basefx does not support setting link flow control */
 403        if (hw->dev_spec._82575.eth_flags.e100_base_fx)
 404                return -EINVAL;
 405
 406        adapter->fc_autoneg = pause->autoneg;
 407
 408        while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
 409                usleep_range(1000, 2000);
 410
 411        if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 412                hw->fc.requested_mode = e1000_fc_default;
 413                if (netif_running(adapter->netdev)) {
 414                        igb_down(adapter);
 415                        igb_up(adapter);
 416                } else {
 417                        igb_reset(adapter);
 418                }
 419        } else {
 420                if (pause->rx_pause && pause->tx_pause)
 421                        hw->fc.requested_mode = e1000_fc_full;
 422                else if (pause->rx_pause && !pause->tx_pause)
 423                        hw->fc.requested_mode = e1000_fc_rx_pause;
 424                else if (!pause->rx_pause && pause->tx_pause)
 425                        hw->fc.requested_mode = e1000_fc_tx_pause;
 426                else if (!pause->rx_pause && !pause->tx_pause)
 427                        hw->fc.requested_mode = e1000_fc_none;
 428
 429                hw->fc.current_mode = hw->fc.requested_mode;
 430
 431                retval = ((hw->phy.media_type == e1000_media_type_copper) ?
 432                          igb_force_mac_fc(hw) : igb_setup_link(hw));
 433
 434                /* Make sure SRRCTL considers new fc settings for each ring */
 435                for (i = 0; i < adapter->num_rx_queues; i++) {
 436                        struct igb_ring *ring = adapter->rx_ring[i];
 437
 438                        igb_setup_srrctl(adapter, ring);
 439                }
 440        }
 441
 442        clear_bit(__IGB_RESETTING, &adapter->state);
 443        return retval;
 444}
 445
 446static u32 igb_get_msglevel(struct net_device *netdev)
 447{
 448        struct igb_adapter *adapter = netdev_priv(netdev);
 449        return adapter->msg_enable;
 450}
 451
 452static void igb_set_msglevel(struct net_device *netdev, u32 data)
 453{
 454        struct igb_adapter *adapter = netdev_priv(netdev);
 455        adapter->msg_enable = data;
 456}
 457
 458static int igb_get_regs_len(struct net_device *netdev)
 459{
 460#define IGB_REGS_LEN 740
 461        return IGB_REGS_LEN * sizeof(u32);
 462}
 463
 464static void igb_get_regs(struct net_device *netdev,
 465                         struct ethtool_regs *regs, void *p)
 466{
 467        struct igb_adapter *adapter = netdev_priv(netdev);
 468        struct e1000_hw *hw = &adapter->hw;
 469        u32 *regs_buff = p;
 470        u8 i;
 471
 472        memset(p, 0, IGB_REGS_LEN * sizeof(u32));
 473
 474        regs->version = (1u << 24) | (hw->revision_id << 16) | hw->device_id;
 475
 476        /* General Registers */
 477        regs_buff[0] = rd32(E1000_CTRL);
 478        regs_buff[1] = rd32(E1000_STATUS);
 479        regs_buff[2] = rd32(E1000_CTRL_EXT);
 480        regs_buff[3] = rd32(E1000_MDIC);
 481        regs_buff[4] = rd32(E1000_SCTL);
 482        regs_buff[5] = rd32(E1000_CONNSW);
 483        regs_buff[6] = rd32(E1000_VET);
 484        regs_buff[7] = rd32(E1000_LEDCTL);
 485        regs_buff[8] = rd32(E1000_PBA);
 486        regs_buff[9] = rd32(E1000_PBS);
 487        regs_buff[10] = rd32(E1000_FRTIMER);
 488        regs_buff[11] = rd32(E1000_TCPTIMER);
 489
 490        /* NVM Register */
 491        regs_buff[12] = rd32(E1000_EECD);
 492
 493        /* Interrupt */
 494        /* Reading EICS for EICR because they read the
 495         * same but EICS does not clear on read
 496         */
 497        regs_buff[13] = rd32(E1000_EICS);
 498        regs_buff[14] = rd32(E1000_EICS);
 499        regs_buff[15] = rd32(E1000_EIMS);
 500        regs_buff[16] = rd32(E1000_EIMC);
 501        regs_buff[17] = rd32(E1000_EIAC);
 502        regs_buff[18] = rd32(E1000_EIAM);
 503        /* Reading ICS for ICR because they read the
 504         * same but ICS does not clear on read
 505         */
 506        regs_buff[19] = rd32(E1000_ICS);
 507        regs_buff[20] = rd32(E1000_ICS);
 508        regs_buff[21] = rd32(E1000_IMS);
 509        regs_buff[22] = rd32(E1000_IMC);
 510        regs_buff[23] = rd32(E1000_IAC);
 511        regs_buff[24] = rd32(E1000_IAM);
 512        regs_buff[25] = rd32(E1000_IMIRVP);
 513
 514        /* Flow Control */
 515        regs_buff[26] = rd32(E1000_FCAL);
 516        regs_buff[27] = rd32(E1000_FCAH);
 517        regs_buff[28] = rd32(E1000_FCTTV);
 518        regs_buff[29] = rd32(E1000_FCRTL);
 519        regs_buff[30] = rd32(E1000_FCRTH);
 520        regs_buff[31] = rd32(E1000_FCRTV);
 521
 522        /* Receive */
 523        regs_buff[32] = rd32(E1000_RCTL);
 524        regs_buff[33] = rd32(E1000_RXCSUM);
 525        regs_buff[34] = rd32(E1000_RLPML);
 526        regs_buff[35] = rd32(E1000_RFCTL);
 527        regs_buff[36] = rd32(E1000_MRQC);
 528        regs_buff[37] = rd32(E1000_VT_CTL);
 529
 530        /* Transmit */
 531        regs_buff[38] = rd32(E1000_TCTL);
 532        regs_buff[39] = rd32(E1000_TCTL_EXT);
 533        regs_buff[40] = rd32(E1000_TIPG);
 534        regs_buff[41] = rd32(E1000_DTXCTL);
 535
 536        /* Wake Up */
 537        regs_buff[42] = rd32(E1000_WUC);
 538        regs_buff[43] = rd32(E1000_WUFC);
 539        regs_buff[44] = rd32(E1000_WUS);
 540        regs_buff[45] = rd32(E1000_IPAV);
 541        regs_buff[46] = rd32(E1000_WUPL);
 542
 543        /* MAC */
 544        regs_buff[47] = rd32(E1000_PCS_CFG0);
 545        regs_buff[48] = rd32(E1000_PCS_LCTL);
 546        regs_buff[49] = rd32(E1000_PCS_LSTAT);
 547        regs_buff[50] = rd32(E1000_PCS_ANADV);
 548        regs_buff[51] = rd32(E1000_PCS_LPAB);
 549        regs_buff[52] = rd32(E1000_PCS_NPTX);
 550        regs_buff[53] = rd32(E1000_PCS_LPABNP);
 551
 552        /* Statistics */
 553        regs_buff[54] = adapter->stats.crcerrs;
 554        regs_buff[55] = adapter->stats.algnerrc;
 555        regs_buff[56] = adapter->stats.symerrs;
 556        regs_buff[57] = adapter->stats.rxerrc;
 557        regs_buff[58] = adapter->stats.mpc;
 558        regs_buff[59] = adapter->stats.scc;
 559        regs_buff[60] = adapter->stats.ecol;
 560        regs_buff[61] = adapter->stats.mcc;
 561        regs_buff[62] = adapter->stats.latecol;
 562        regs_buff[63] = adapter->stats.colc;
 563        regs_buff[64] = adapter->stats.dc;
 564        regs_buff[65] = adapter->stats.tncrs;
 565        regs_buff[66] = adapter->stats.sec;
 566        regs_buff[67] = adapter->stats.htdpmc;
 567        regs_buff[68] = adapter->stats.rlec;
 568        regs_buff[69] = adapter->stats.xonrxc;
 569        regs_buff[70] = adapter->stats.xontxc;
 570        regs_buff[71] = adapter->stats.xoffrxc;
 571        regs_buff[72] = adapter->stats.xofftxc;
 572        regs_buff[73] = adapter->stats.fcruc;
 573        regs_buff[74] = adapter->stats.prc64;
 574        regs_buff[75] = adapter->stats.prc127;
 575        regs_buff[76] = adapter->stats.prc255;
 576        regs_buff[77] = adapter->stats.prc511;
 577        regs_buff[78] = adapter->stats.prc1023;
 578        regs_buff[79] = adapter->stats.prc1522;
 579        regs_buff[80] = adapter->stats.gprc;
 580        regs_buff[81] = adapter->stats.bprc;
 581        regs_buff[82] = adapter->stats.mprc;
 582        regs_buff[83] = adapter->stats.gptc;
 583        regs_buff[84] = adapter->stats.gorc;
 584        regs_buff[86] = adapter->stats.gotc;
 585        regs_buff[88] = adapter->stats.rnbc;
 586        regs_buff[89] = adapter->stats.ruc;
 587        regs_buff[90] = adapter->stats.rfc;
 588        regs_buff[91] = adapter->stats.roc;
 589        regs_buff[92] = adapter->stats.rjc;
 590        regs_buff[93] = adapter->stats.mgprc;
 591        regs_buff[94] = adapter->stats.mgpdc;
 592        regs_buff[95] = adapter->stats.mgptc;
 593        regs_buff[96] = adapter->stats.tor;
 594        regs_buff[98] = adapter->stats.tot;
 595        regs_buff[100] = adapter->stats.tpr;
 596        regs_buff[101] = adapter->stats.tpt;
 597        regs_buff[102] = adapter->stats.ptc64;
 598        regs_buff[103] = adapter->stats.ptc127;
 599        regs_buff[104] = adapter->stats.ptc255;
 600        regs_buff[105] = adapter->stats.ptc511;
 601        regs_buff[106] = adapter->stats.ptc1023;
 602        regs_buff[107] = adapter->stats.ptc1522;
 603        regs_buff[108] = adapter->stats.mptc;
 604        regs_buff[109] = adapter->stats.bptc;
 605        regs_buff[110] = adapter->stats.tsctc;
 606        regs_buff[111] = adapter->stats.iac;
 607        regs_buff[112] = adapter->stats.rpthc;
 608        regs_buff[113] = adapter->stats.hgptc;
 609        regs_buff[114] = adapter->stats.hgorc;
 610        regs_buff[116] = adapter->stats.hgotc;
 611        regs_buff[118] = adapter->stats.lenerrs;
 612        regs_buff[119] = adapter->stats.scvpc;
 613        regs_buff[120] = adapter->stats.hrmpc;
 614
 615        for (i = 0; i < 4; i++)
 616                regs_buff[121 + i] = rd32(E1000_SRRCTL(i));
 617        for (i = 0; i < 4; i++)
 618                regs_buff[125 + i] = rd32(E1000_PSRTYPE(i));
 619        for (i = 0; i < 4; i++)
 620                regs_buff[129 + i] = rd32(E1000_RDBAL(i));
 621        for (i = 0; i < 4; i++)
 622                regs_buff[133 + i] = rd32(E1000_RDBAH(i));
 623        for (i = 0; i < 4; i++)
 624                regs_buff[137 + i] = rd32(E1000_RDLEN(i));
 625        for (i = 0; i < 4; i++)
 626                regs_buff[141 + i] = rd32(E1000_RDH(i));
 627        for (i = 0; i < 4; i++)
 628                regs_buff[145 + i] = rd32(E1000_RDT(i));
 629        for (i = 0; i < 4; i++)
 630                regs_buff[149 + i] = rd32(E1000_RXDCTL(i));
 631
 632        for (i = 0; i < 10; i++)
 633                regs_buff[153 + i] = rd32(E1000_EITR(i));
 634        for (i = 0; i < 8; i++)
 635                regs_buff[163 + i] = rd32(E1000_IMIR(i));
 636        for (i = 0; i < 8; i++)
 637                regs_buff[171 + i] = rd32(E1000_IMIREXT(i));
 638        for (i = 0; i < 16; i++)
 639                regs_buff[179 + i] = rd32(E1000_RAL(i));
 640        for (i = 0; i < 16; i++)
 641                regs_buff[195 + i] = rd32(E1000_RAH(i));
 642
 643        for (i = 0; i < 4; i++)
 644                regs_buff[211 + i] = rd32(E1000_TDBAL(i));
 645        for (i = 0; i < 4; i++)
 646                regs_buff[215 + i] = rd32(E1000_TDBAH(i));
 647        for (i = 0; i < 4; i++)
 648                regs_buff[219 + i] = rd32(E1000_TDLEN(i));
 649        for (i = 0; i < 4; i++)
 650                regs_buff[223 + i] = rd32(E1000_TDH(i));
 651        for (i = 0; i < 4; i++)
 652                regs_buff[227 + i] = rd32(E1000_TDT(i));
 653        for (i = 0; i < 4; i++)
 654                regs_buff[231 + i] = rd32(E1000_TXDCTL(i));
 655        for (i = 0; i < 4; i++)
 656                regs_buff[235 + i] = rd32(E1000_TDWBAL(i));
 657        for (i = 0; i < 4; i++)
 658                regs_buff[239 + i] = rd32(E1000_TDWBAH(i));
 659        for (i = 0; i < 4; i++)
 660                regs_buff[243 + i] = rd32(E1000_DCA_TXCTRL(i));
 661
 662        for (i = 0; i < 4; i++)
 663                regs_buff[247 + i] = rd32(E1000_IP4AT_REG(i));
 664        for (i = 0; i < 4; i++)
 665                regs_buff[251 + i] = rd32(E1000_IP6AT_REG(i));
 666        for (i = 0; i < 32; i++)
 667                regs_buff[255 + i] = rd32(E1000_WUPM_REG(i));
 668        for (i = 0; i < 128; i++)
 669                regs_buff[287 + i] = rd32(E1000_FFMT_REG(i));
 670        for (i = 0; i < 128; i++)
 671                regs_buff[415 + i] = rd32(E1000_FFVT_REG(i));
 672        for (i = 0; i < 4; i++)
 673                regs_buff[543 + i] = rd32(E1000_FFLT_REG(i));
 674
 675        regs_buff[547] = rd32(E1000_TDFH);
 676        regs_buff[548] = rd32(E1000_TDFT);
 677        regs_buff[549] = rd32(E1000_TDFHS);
 678        regs_buff[550] = rd32(E1000_TDFPC);
 679
 680        if (hw->mac.type > e1000_82580) {
 681                regs_buff[551] = adapter->stats.o2bgptc;
 682                regs_buff[552] = adapter->stats.b2ospc;
 683                regs_buff[553] = adapter->stats.o2bspc;
 684                regs_buff[554] = adapter->stats.b2ogprc;
 685        }
 686
 687        if (hw->mac.type == e1000_82576) {
 688                for (i = 0; i < 12; i++)
 689                        regs_buff[555 + i] = rd32(E1000_SRRCTL(i + 4));
 690                for (i = 0; i < 4; i++)
 691                        regs_buff[567 + i] = rd32(E1000_PSRTYPE(i + 4));
 692                for (i = 0; i < 12; i++)
 693                        regs_buff[571 + i] = rd32(E1000_RDBAL(i + 4));
 694                for (i = 0; i < 12; i++)
 695                        regs_buff[583 + i] = rd32(E1000_RDBAH(i + 4));
 696                for (i = 0; i < 12; i++)
 697                        regs_buff[595 + i] = rd32(E1000_RDLEN(i + 4));
 698                for (i = 0; i < 12; i++)
 699                        regs_buff[607 + i] = rd32(E1000_RDH(i + 4));
 700                for (i = 0; i < 12; i++)
 701                        regs_buff[619 + i] = rd32(E1000_RDT(i + 4));
 702                for (i = 0; i < 12; i++)
 703                        regs_buff[631 + i] = rd32(E1000_RXDCTL(i + 4));
 704
 705                for (i = 0; i < 12; i++)
 706                        regs_buff[643 + i] = rd32(E1000_TDBAL(i + 4));
 707                for (i = 0; i < 12; i++)
 708                        regs_buff[655 + i] = rd32(E1000_TDBAH(i + 4));
 709                for (i = 0; i < 12; i++)
 710                        regs_buff[667 + i] = rd32(E1000_TDLEN(i + 4));
 711                for (i = 0; i < 12; i++)
 712                        regs_buff[679 + i] = rd32(E1000_TDH(i + 4));
 713                for (i = 0; i < 12; i++)
 714                        regs_buff[691 + i] = rd32(E1000_TDT(i + 4));
 715                for (i = 0; i < 12; i++)
 716                        regs_buff[703 + i] = rd32(E1000_TXDCTL(i + 4));
 717                for (i = 0; i < 12; i++)
 718                        regs_buff[715 + i] = rd32(E1000_TDWBAL(i + 4));
 719                for (i = 0; i < 12; i++)
 720                        regs_buff[727 + i] = rd32(E1000_TDWBAH(i + 4));
 721        }
 722
 723        if (hw->mac.type == e1000_i210 || hw->mac.type == e1000_i211)
 724                regs_buff[739] = rd32(E1000_I210_RR2DCDELAY);
 725}
 726
 727static int igb_get_eeprom_len(struct net_device *netdev)
 728{
 729        struct igb_adapter *adapter = netdev_priv(netdev);
 730        return adapter->hw.nvm.word_size * 2;
 731}
 732
 733static int igb_get_eeprom(struct net_device *netdev,
 734                          struct ethtool_eeprom *eeprom, u8 *bytes)
 735{
 736        struct igb_adapter *adapter = netdev_priv(netdev);
 737        struct e1000_hw *hw = &adapter->hw;
 738        u16 *eeprom_buff;
 739        int first_word, last_word;
 740        int ret_val = 0;
 741        u16 i;
 742
 743        if (eeprom->len == 0)
 744                return -EINVAL;
 745
 746        eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 747
 748        first_word = eeprom->offset >> 1;
 749        last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 750
 751        eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
 752                                    GFP_KERNEL);
 753        if (!eeprom_buff)
 754                return -ENOMEM;
 755
 756        if (hw->nvm.type == e1000_nvm_eeprom_spi)
 757                ret_val = hw->nvm.ops.read(hw, first_word,
 758                                           last_word - first_word + 1,
 759                                           eeprom_buff);
 760        else {
 761                for (i = 0; i < last_word - first_word + 1; i++) {
 762                        ret_val = hw->nvm.ops.read(hw, first_word + i, 1,
 763                                                   &eeprom_buff[i]);
 764                        if (ret_val)
 765                                break;
 766                }
 767        }
 768
 769        /* Device's eeprom is always little-endian, word addressable */
 770        for (i = 0; i < last_word - first_word + 1; i++)
 771                le16_to_cpus(&eeprom_buff[i]);
 772
 773        memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
 774                        eeprom->len);
 775        kfree(eeprom_buff);
 776
 777        return ret_val;
 778}
 779
 780static int igb_set_eeprom(struct net_device *netdev,
 781                          struct ethtool_eeprom *eeprom, u8 *bytes)
 782{
 783        struct igb_adapter *adapter = netdev_priv(netdev);
 784        struct e1000_hw *hw = &adapter->hw;
 785        u16 *eeprom_buff;
 786        void *ptr;
 787        int max_len, first_word, last_word, ret_val = 0;
 788        u16 i;
 789
 790        if (eeprom->len == 0)
 791                return -EOPNOTSUPP;
 792
 793        if ((hw->mac.type >= e1000_i210) &&
 794            !igb_get_flash_presence_i210(hw)) {
 795                return -EOPNOTSUPP;
 796        }
 797
 798        if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 799                return -EFAULT;
 800
 801        max_len = hw->nvm.word_size * 2;
 802
 803        first_word = eeprom->offset >> 1;
 804        last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 805        eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 806        if (!eeprom_buff)
 807                return -ENOMEM;
 808
 809        ptr = (void *)eeprom_buff;
 810
 811        if (eeprom->offset & 1) {
 812                /* need read/modify/write of first changed EEPROM word
 813                 * only the second byte of the word is being modified
 814                 */
 815                ret_val = hw->nvm.ops.read(hw, first_word, 1,
 816                                            &eeprom_buff[0]);
 817                ptr++;
 818        }
 819        if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 820                /* need read/modify/write of last changed EEPROM word
 821                 * only the first byte of the word is being modified
 822                 */
 823                ret_val = hw->nvm.ops.read(hw, last_word, 1,
 824                                   &eeprom_buff[last_word - first_word]);
 825        }
 826
 827        /* Device's eeprom is always little-endian, word addressable */
 828        for (i = 0; i < last_word - first_word + 1; i++)
 829                le16_to_cpus(&eeprom_buff[i]);
 830
 831        memcpy(ptr, bytes, eeprom->len);
 832
 833        for (i = 0; i < last_word - first_word + 1; i++)
 834                cpu_to_le16s(&eeprom_buff[i]);
 835
 836        ret_val = hw->nvm.ops.write(hw, first_word,
 837                                    last_word - first_word + 1, eeprom_buff);
 838
 839        /* Update the checksum if nvm write succeeded */
 840        if (ret_val == 0)
 841                hw->nvm.ops.update(hw);
 842
 843        igb_set_fw_version(adapter);
 844        kfree(eeprom_buff);
 845        return ret_val;
 846}
 847
 848static void igb_get_drvinfo(struct net_device *netdev,
 849                            struct ethtool_drvinfo *drvinfo)
 850{
 851        struct igb_adapter *adapter = netdev_priv(netdev);
 852
 853        strlcpy(drvinfo->driver,  igb_driver_name, sizeof(drvinfo->driver));
 854
 855        /* EEPROM image version # is reported as firmware version # for
 856         * 82575 controllers
 857         */
 858        strlcpy(drvinfo->fw_version, adapter->fw_version,
 859                sizeof(drvinfo->fw_version));
 860        strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 861                sizeof(drvinfo->bus_info));
 862
 863        drvinfo->n_priv_flags = IGB_PRIV_FLAGS_STR_LEN;
 864}
 865
 866static void igb_get_ringparam(struct net_device *netdev,
 867                              struct ethtool_ringparam *ring,
 868                              struct kernel_ethtool_ringparam *kernel_ring,
 869                              struct netlink_ext_ack *extack)
 870{
 871        struct igb_adapter *adapter = netdev_priv(netdev);
 872
 873        ring->rx_max_pending = IGB_MAX_RXD;
 874        ring->tx_max_pending = IGB_MAX_TXD;
 875        ring->rx_pending = adapter->rx_ring_count;
 876        ring->tx_pending = adapter->tx_ring_count;
 877}
 878
 879static int igb_set_ringparam(struct net_device *netdev,
 880                             struct ethtool_ringparam *ring,
 881                             struct kernel_ethtool_ringparam *kernel_ring,
 882                             struct netlink_ext_ack *extack)
 883{
 884        struct igb_adapter *adapter = netdev_priv(netdev);
 885        struct igb_ring *temp_ring;
 886        int i, err = 0;
 887        u16 new_rx_count, new_tx_count;
 888
 889        if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 890                return -EINVAL;
 891
 892        new_rx_count = min_t(u32, ring->rx_pending, IGB_MAX_RXD);
 893        new_rx_count = max_t(u16, new_rx_count, IGB_MIN_RXD);
 894        new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
 895
 896        new_tx_count = min_t(u32, ring->tx_pending, IGB_MAX_TXD);
 897        new_tx_count = max_t(u16, new_tx_count, IGB_MIN_TXD);
 898        new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
 899
 900        if ((new_tx_count == adapter->tx_ring_count) &&
 901            (new_rx_count == adapter->rx_ring_count)) {
 902                /* nothing to do */
 903                return 0;
 904        }
 905
 906        while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
 907                usleep_range(1000, 2000);
 908
 909        if (!netif_running(adapter->netdev)) {
 910                for (i = 0; i < adapter->num_tx_queues; i++)
 911                        adapter->tx_ring[i]->count = new_tx_count;
 912                for (i = 0; i < adapter->num_rx_queues; i++)
 913                        adapter->rx_ring[i]->count = new_rx_count;
 914                adapter->tx_ring_count = new_tx_count;
 915                adapter->rx_ring_count = new_rx_count;
 916                goto clear_reset;
 917        }
 918
 919        if (adapter->num_tx_queues > adapter->num_rx_queues)
 920                temp_ring = vmalloc(array_size(sizeof(struct igb_ring),
 921                                               adapter->num_tx_queues));
 922        else
 923                temp_ring = vmalloc(array_size(sizeof(struct igb_ring),
 924                                               adapter->num_rx_queues));
 925
 926        if (!temp_ring) {
 927                err = -ENOMEM;
 928                goto clear_reset;
 929        }
 930
 931        igb_down(adapter);
 932
 933        /* We can't just free everything and then setup again,
 934         * because the ISRs in MSI-X mode get passed pointers
 935         * to the Tx and Rx ring structs.
 936         */
 937        if (new_tx_count != adapter->tx_ring_count) {
 938                for (i = 0; i < adapter->num_tx_queues; i++) {
 939                        memcpy(&temp_ring[i], adapter->tx_ring[i],
 940                               sizeof(struct igb_ring));
 941
 942                        temp_ring[i].count = new_tx_count;
 943                        err = igb_setup_tx_resources(&temp_ring[i]);
 944                        if (err) {
 945                                while (i) {
 946                                        i--;
 947                                        igb_free_tx_resources(&temp_ring[i]);
 948                                }
 949                                goto err_setup;
 950                        }
 951                }
 952
 953                for (i = 0; i < adapter->num_tx_queues; i++) {
 954                        igb_free_tx_resources(adapter->tx_ring[i]);
 955
 956                        memcpy(adapter->tx_ring[i], &temp_ring[i],
 957                               sizeof(struct igb_ring));
 958                }
 959
 960                adapter->tx_ring_count = new_tx_count;
 961        }
 962
 963        if (new_rx_count != adapter->rx_ring_count) {
 964                for (i = 0; i < adapter->num_rx_queues; i++) {
 965                        memcpy(&temp_ring[i], adapter->rx_ring[i],
 966                               sizeof(struct igb_ring));
 967
 968                        temp_ring[i].count = new_rx_count;
 969                        err = igb_setup_rx_resources(&temp_ring[i]);
 970                        if (err) {
 971                                while (i) {
 972                                        i--;
 973                                        igb_free_rx_resources(&temp_ring[i]);
 974                                }
 975                                goto err_setup;
 976                        }
 977
 978                }
 979
 980                for (i = 0; i < adapter->num_rx_queues; i++) {
 981                        igb_free_rx_resources(adapter->rx_ring[i]);
 982
 983                        memcpy(adapter->rx_ring[i], &temp_ring[i],
 984                               sizeof(struct igb_ring));
 985                }
 986
 987                adapter->rx_ring_count = new_rx_count;
 988        }
 989err_setup:
 990        igb_up(adapter);
 991        vfree(temp_ring);
 992clear_reset:
 993        clear_bit(__IGB_RESETTING, &adapter->state);
 994        return err;
 995}
 996
 997/* ethtool register test data */
 998struct igb_reg_test {
 999        u16 reg;
1000        u16 reg_offset;
1001        u16 array_len;
1002        u16 test_type;
1003        u32 mask;
1004        u32 write;
1005};
1006
1007/* In the hardware, registers are laid out either singly, in arrays
1008 * spaced 0x100 bytes apart, or in contiguous tables.  We assume
1009 * most tests take place on arrays or single registers (handled
1010 * as a single-element array) and special-case the tables.
1011 * Table tests are always pattern tests.
1012 *
1013 * We also make provision for some required setup steps by specifying
1014 * registers to be written without any read-back testing.
1015 */
1016
1017#define PATTERN_TEST    1
1018#define SET_READ_TEST   2
1019#define WRITE_NO_TEST   3
1020#define TABLE32_TEST    4
1021#define TABLE64_TEST_LO 5
1022#define TABLE64_TEST_HI 6
1023
1024/* i210 reg test */
1025static struct igb_reg_test reg_test_i210[] = {
1026        { E1000_FCAL,      0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1027        { E1000_FCAH,      0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1028        { E1000_FCT,       0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1029        { E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1030        { E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1031        { E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1032        /* RDH is read-only for i210, only test RDT. */
1033        { E1000_RDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1034        { E1000_FCRTH,     0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
1035        { E1000_FCTTV,     0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1036        { E1000_TIPG,      0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
1037        { E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1038        { E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1039        { E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1040        { E1000_TDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1041        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1042        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
1043        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
1044        { E1000_TCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1045        { E1000_RA,        0, 16, TABLE64_TEST_LO,
1046                                                0xFFFFFFFF, 0xFFFFFFFF },
1047        { E1000_RA,        0, 16, TABLE64_TEST_HI,
1048                                                0x900FFFFF, 0xFFFFFFFF },
1049        { E1000_MTA,       0, 128, TABLE32_TEST,
1050                                                0xFFFFFFFF, 0xFFFFFFFF },
1051        { 0, 0, 0, 0, 0 }
1052};
1053
1054/* i350 reg test */
1055static struct igb_reg_test reg_test_i350[] = {
1056        { E1000_FCAL,      0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1057        { E1000_FCAH,      0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1058        { E1000_FCT,       0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1059        { E1000_VET,       0x100, 1,  PATTERN_TEST, 0xFFFF0000, 0xFFFF0000 },
1060        { E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1061        { E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1062        { E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1063        { E1000_RDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1064        { E1000_RDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1065        { E1000_RDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1066        /* RDH is read-only for i350, only test RDT. */
1067        { E1000_RDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1068        { E1000_RDT(4),    0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1069        { E1000_FCRTH,     0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
1070        { E1000_FCTTV,     0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1071        { E1000_TIPG,      0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
1072        { E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1073        { E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1074        { E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1075        { E1000_TDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1076        { E1000_TDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1077        { E1000_TDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1078        { E1000_TDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1079        { E1000_TDT(4),    0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1080        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1081        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
1082        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
1083        { E1000_TCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1084        { E1000_RA,        0, 16, TABLE64_TEST_LO,
1085                                                0xFFFFFFFF, 0xFFFFFFFF },
1086        { E1000_RA,        0, 16, TABLE64_TEST_HI,
1087                                                0xC3FFFFFF, 0xFFFFFFFF },
1088        { E1000_RA2,       0, 16, TABLE64_TEST_LO,
1089                                                0xFFFFFFFF, 0xFFFFFFFF },
1090        { E1000_RA2,       0, 16, TABLE64_TEST_HI,
1091                                                0xC3FFFFFF, 0xFFFFFFFF },
1092        { E1000_MTA,       0, 128, TABLE32_TEST,
1093                                                0xFFFFFFFF, 0xFFFFFFFF },
1094        { 0, 0, 0, 0 }
1095};
1096
1097/* 82580 reg test */
1098static struct igb_reg_test reg_test_82580[] = {
1099        { E1000_FCAL,      0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1100        { E1000_FCAH,      0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1101        { E1000_FCT,       0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1102        { E1000_VET,       0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1103        { E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1104        { E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1105        { E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1106        { E1000_RDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1107        { E1000_RDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1108        { E1000_RDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1109        /* RDH is read-only for 82580, only test RDT. */
1110        { E1000_RDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1111        { E1000_RDT(4),    0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1112        { E1000_FCRTH,     0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
1113        { E1000_FCTTV,     0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1114        { E1000_TIPG,      0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
1115        { E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1116        { E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1117        { E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1118        { E1000_TDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1119        { E1000_TDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1120        { E1000_TDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1121        { E1000_TDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1122        { E1000_TDT(4),    0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1123        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1124        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
1125        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
1126        { E1000_TCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1127        { E1000_RA,        0, 16, TABLE64_TEST_LO,
1128                                                0xFFFFFFFF, 0xFFFFFFFF },
1129        { E1000_RA,        0, 16, TABLE64_TEST_HI,
1130                                                0x83FFFFFF, 0xFFFFFFFF },
1131        { E1000_RA2,       0, 8, TABLE64_TEST_LO,
1132                                                0xFFFFFFFF, 0xFFFFFFFF },
1133        { E1000_RA2,       0, 8, TABLE64_TEST_HI,
1134                                                0x83FFFFFF, 0xFFFFFFFF },
1135        { E1000_MTA,       0, 128, TABLE32_TEST,
1136                                                0xFFFFFFFF, 0xFFFFFFFF },
1137        { 0, 0, 0, 0 }
1138};
1139
1140/* 82576 reg test */
1141static struct igb_reg_test reg_test_82576[] = {
1142        { E1000_FCAL,      0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1143        { E1000_FCAH,      0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1144        { E1000_FCT,       0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1145        { E1000_VET,       0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1146        { E1000_RDBAL(0),  0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1147        { E1000_RDBAH(0),  0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1148        { E1000_RDLEN(0),  0x100, 4, PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1149        { E1000_RDBAL(4),  0x40, 12, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1150        { E1000_RDBAH(4),  0x40, 12, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1151        { E1000_RDLEN(4),  0x40, 12, PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1152        /* Enable all RX queues before testing. */
1153        { E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0,
1154          E1000_RXDCTL_QUEUE_ENABLE },
1155        { E1000_RXDCTL(4), 0x40, 12, WRITE_NO_TEST, 0,
1156          E1000_RXDCTL_QUEUE_ENABLE },
1157        /* RDH is read-only for 82576, only test RDT. */
1158        { E1000_RDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1159        { E1000_RDT(4),    0x40, 12,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1160        { E1000_RXDCTL(0), 0x100, 4,  WRITE_NO_TEST, 0, 0 },
1161        { E1000_RXDCTL(4), 0x40, 12,  WRITE_NO_TEST, 0, 0 },
1162        { E1000_FCRTH,     0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
1163        { E1000_FCTTV,     0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1164        { E1000_TIPG,      0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
1165        { E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1166        { E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1167        { E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1168        { E1000_TDBAL(4),  0x40, 12,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1169        { E1000_TDBAH(4),  0x40, 12,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1170        { E1000_TDLEN(4),  0x40, 12,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1171        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1172        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
1173        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
1174        { E1000_TCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1175        { E1000_RA,        0, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1176        { E1000_RA,        0, 16, TABLE64_TEST_HI, 0x83FFFFFF, 0xFFFFFFFF },
1177        { E1000_RA2,       0, 8, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1178        { E1000_RA2,       0, 8, TABLE64_TEST_HI, 0x83FFFFFF, 0xFFFFFFFF },
1179        { E1000_MTA,       0, 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1180        { 0, 0, 0, 0 }
1181};
1182
1183/* 82575 register test */
1184static struct igb_reg_test reg_test_82575[] = {
1185        { E1000_FCAL,      0x100, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1186        { E1000_FCAH,      0x100, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1187        { E1000_FCT,       0x100, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1188        { E1000_VET,       0x100, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1189        { E1000_RDBAL(0),  0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1190        { E1000_RDBAH(0),  0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1191        { E1000_RDLEN(0),  0x100, 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1192        /* Enable all four RX queues before testing. */
1193        { E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0,
1194          E1000_RXDCTL_QUEUE_ENABLE },
1195        /* RDH is read-only for 82575, only test RDT. */
1196        { E1000_RDT(0),    0x100, 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1197        { E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0, 0 },
1198        { E1000_FCRTH,     0x100, 1, PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
1199        { E1000_FCTTV,     0x100, 1, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1200        { E1000_TIPG,      0x100, 1, PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
1201        { E1000_TDBAL(0),  0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1202        { E1000_TDBAH(0),  0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1203        { E1000_TDLEN(0),  0x100, 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1204        { E1000_RCTL,      0x100, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1205        { E1000_RCTL,      0x100, 1, SET_READ_TEST, 0x04CFB3FE, 0x003FFFFB },
1206        { E1000_RCTL,      0x100, 1, SET_READ_TEST, 0x04CFB3FE, 0xFFFFFFFF },
1207        { E1000_TCTL,      0x100, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1208        { E1000_TXCW,      0x100, 1, PATTERN_TEST, 0xC000FFFF, 0x0000FFFF },
1209        { E1000_RA,        0, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1210        { E1000_RA,        0, 16, TABLE64_TEST_HI, 0x800FFFFF, 0xFFFFFFFF },
1211        { E1000_MTA,       0, 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1212        { 0, 0, 0, 0 }
1213};
1214
1215static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data,
1216                             int reg, u32 mask, u32 write)
1217{
1218        struct e1000_hw *hw = &adapter->hw;
1219        u32 pat, val;
1220        static const u32 _test[] = {
1221                0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1222        for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {
1223                wr32(reg, (_test[pat] & write));
1224                val = rd32(reg) & mask;
1225                if (val != (_test[pat] & write & mask)) {
1226                        dev_err(&adapter->pdev->dev,
1227                                "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
1228                                reg, val, (_test[pat] & write & mask));
1229                        *data = reg;
1230                        return true;
1231                }
1232        }
1233
1234        return false;
1235}
1236
1237static bool reg_set_and_check(struct igb_adapter *adapter, u64 *data,
1238                              int reg, u32 mask, u32 write)
1239{
1240        struct e1000_hw *hw = &adapter->hw;
1241        u32 val;
1242
1243        wr32(reg, write & mask);
1244        val = rd32(reg);
1245        if ((write & mask) != (val & mask)) {
1246                dev_err(&adapter->pdev->dev,
1247                        "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
1248                        reg, (val & mask), (write & mask));
1249                *data = reg;
1250                return true;
1251        }
1252
1253        return false;
1254}
1255
1256#define REG_PATTERN_TEST(reg, mask, write) \
1257        do { \
1258                if (reg_pattern_test(adapter, data, reg, mask, write)) \
1259                        return 1; \
1260        } while (0)
1261
1262#define REG_SET_AND_CHECK(reg, mask, write) \
1263        do { \
1264                if (reg_set_and_check(adapter, data, reg, mask, write)) \
1265                        return 1; \
1266        } while (0)
1267
1268static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
1269{
1270        struct e1000_hw *hw = &adapter->hw;
1271        struct igb_reg_test *test;
1272        u32 value, before, after;
1273        u32 i, toggle;
1274
1275        switch (adapter->hw.mac.type) {
1276        case e1000_i350:
1277        case e1000_i354:
1278                test = reg_test_i350;
1279                toggle = 0x7FEFF3FF;
1280                break;
1281        case e1000_i210:
1282        case e1000_i211:
1283                test = reg_test_i210;
1284                toggle = 0x7FEFF3FF;
1285                break;
1286        case e1000_82580:
1287                test = reg_test_82580;
1288                toggle = 0x7FEFF3FF;
1289                break;
1290        case e1000_82576:
1291                test = reg_test_82576;
1292                toggle = 0x7FFFF3FF;
1293                break;
1294        default:
1295                test = reg_test_82575;
1296                toggle = 0x7FFFF3FF;
1297                break;
1298        }
1299
1300        /* Because the status register is such a special case,
1301         * we handle it separately from the rest of the register
1302         * tests.  Some bits are read-only, some toggle, and some
1303         * are writable on newer MACs.
1304         */
1305        before = rd32(E1000_STATUS);
1306        value = (rd32(E1000_STATUS) & toggle);
1307        wr32(E1000_STATUS, toggle);
1308        after = rd32(E1000_STATUS) & toggle;
1309        if (value != after) {
1310                dev_err(&adapter->pdev->dev,
1311                        "failed STATUS register test got: 0x%08X expected: 0x%08X\n",
1312                        after, value);
1313                *data = 1;
1314                return 1;
1315        }
1316        /* restore previous status */
1317        wr32(E1000_STATUS, before);
1318
1319        /* Perform the remainder of the register test, looping through
1320         * the test table until we either fail or reach the null entry.
1321         */
1322        while (test->reg) {
1323                for (i = 0; i < test->array_len; i++) {
1324                        switch (test->test_type) {
1325                        case PATTERN_TEST:
1326                                REG_PATTERN_TEST(test->reg +
1327                                                (i * test->reg_offset),
1328                                                test->mask,
1329                                                test->write);
1330                                break;
1331                        case SET_READ_TEST:
1332                                REG_SET_AND_CHECK(test->reg +
1333                                                (i * test->reg_offset),
1334                                                test->mask,
1335                                                test->write);
1336                                break;
1337                        case WRITE_NO_TEST:
1338                                writel(test->write,
1339                                    (adapter->hw.hw_addr + test->reg)
1340                                        + (i * test->reg_offset));
1341                                break;
1342                        case TABLE32_TEST:
1343                                REG_PATTERN_TEST(test->reg + (i * 4),
1344                                                test->mask,
1345                                                test->write);
1346                                break;
1347                        case TABLE64_TEST_LO:
1348                                REG_PATTERN_TEST(test->reg + (i * 8),
1349                                                test->mask,
1350                                                test->write);
1351                                break;
1352                        case TABLE64_TEST_HI:
1353                                REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1354                                                test->mask,
1355                                                test->write);
1356                                break;
1357                        }
1358                }
1359                test++;
1360        }
1361
1362        *data = 0;
1363        return 0;
1364}
1365
1366static int igb_eeprom_test(struct igb_adapter *adapter, u64 *data)
1367{
1368        struct e1000_hw *hw = &adapter->hw;
1369
1370        *data = 0;
1371
1372        /* Validate eeprom on all parts but flashless */
1373        switch (hw->mac.type) {
1374        case e1000_i210:
1375        case e1000_i211:
1376                if (igb_get_flash_presence_i210(hw)) {
1377                        if (adapter->hw.nvm.ops.validate(&adapter->hw) < 0)
1378                                *data = 2;
1379                }
1380                break;
1381        default:
1382                if (adapter->hw.nvm.ops.validate(&adapter->hw) < 0)
1383                        *data = 2;
1384                break;
1385        }
1386
1387        return *data;
1388}
1389
1390static irqreturn_t igb_test_intr(int irq, void *data)
1391{
1392        struct igb_adapter *adapter = (struct igb_adapter *) data;
1393        struct e1000_hw *hw = &adapter->hw;
1394
1395        adapter->test_icr |= rd32(E1000_ICR);
1396
1397        return IRQ_HANDLED;
1398}
1399
1400static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
1401{
1402        struct e1000_hw *hw = &adapter->hw;
1403        struct net_device *netdev = adapter->netdev;
1404        u32 mask, ics_mask, i = 0, shared_int = true;
1405        u32 irq = adapter->pdev->irq;
1406
1407        *data = 0;
1408
1409        /* Hook up test interrupt handler just for this test */
1410        if (adapter->flags & IGB_FLAG_HAS_MSIX) {
1411                if (request_irq(adapter->msix_entries[0].vector,
1412                                igb_test_intr, 0, netdev->name, adapter)) {
1413                        *data = 1;
1414                        return -1;
1415                }
1416        } else if (adapter->flags & IGB_FLAG_HAS_MSI) {
1417                shared_int = false;
1418                if (request_irq(irq,
1419                                igb_test_intr, 0, netdev->name, adapter)) {
1420                        *data = 1;
1421                        return -1;
1422                }
1423        } else if (!request_irq(irq, igb_test_intr, IRQF_PROBE_SHARED,
1424                                netdev->name, adapter)) {
1425                shared_int = false;
1426        } else if (request_irq(irq, igb_test_intr, IRQF_SHARED,
1427                 netdev->name, adapter)) {
1428                *data = 1;
1429                return -1;
1430        }
1431        dev_info(&adapter->pdev->dev, "testing %s interrupt\n",
1432                (shared_int ? "shared" : "unshared"));
1433
1434        /* Disable all the interrupts */
1435        wr32(E1000_IMC, ~0);
1436        wrfl();
1437        usleep_range(10000, 11000);
1438
1439        /* Define all writable bits for ICS */
1440        switch (hw->mac.type) {
1441        case e1000_82575:
1442                ics_mask = 0x37F47EDD;
1443                break;
1444        case e1000_82576:
1445                ics_mask = 0x77D4FBFD;
1446                break;
1447        case e1000_82580:
1448                ics_mask = 0x77DCFED5;
1449                break;
1450        case e1000_i350:
1451        case e1000_i354:
1452        case e1000_i210:
1453        case e1000_i211:
1454                ics_mask = 0x77DCFED5;
1455                break;
1456        default:
1457                ics_mask = 0x7FFFFFFF;
1458                break;
1459        }
1460
1461        /* Test each interrupt */
1462        for (; i < 31; i++) {
1463                /* Interrupt to test */
1464                mask = BIT(i);
1465
1466                if (!(mask & ics_mask))
1467                        continue;
1468
1469                if (!shared_int) {
1470                        /* Disable the interrupt to be reported in
1471                         * the cause register and then force the same
1472                         * interrupt and see if one gets posted.  If
1473                         * an interrupt was posted to the bus, the
1474                         * test failed.
1475                         */
1476                        adapter->test_icr = 0;
1477
1478                        /* Flush any pending interrupts */
1479                        wr32(E1000_ICR, ~0);
1480
1481                        wr32(E1000_IMC, mask);
1482                        wr32(E1000_ICS, mask);
1483                        wrfl();
1484                        usleep_range(10000, 11000);
1485
1486                        if (adapter->test_icr & mask) {
1487                                *data = 3;
1488                                break;
1489                        }
1490                }
1491
1492                /* Enable the interrupt to be reported in
1493                 * the cause register and then force the same
1494                 * interrupt and see if one gets posted.  If
1495                 * an interrupt was not posted to the bus, the
1496                 * test failed.
1497                 */
1498                adapter->test_icr = 0;
1499
1500                /* Flush any pending interrupts */
1501                wr32(E1000_ICR, ~0);
1502
1503                wr32(E1000_IMS, mask);
1504                wr32(E1000_ICS, mask);
1505                wrfl();
1506                usleep_range(10000, 11000);
1507
1508                if (!(adapter->test_icr & mask)) {
1509                        *data = 4;
1510                        break;
1511                }
1512
1513                if (!shared_int) {
1514                        /* Disable the other interrupts to be reported in
1515                         * the cause register and then force the other
1516                         * interrupts and see if any get posted.  If
1517                         * an interrupt was posted to the bus, the
1518                         * test failed.
1519                         */
1520                        adapter->test_icr = 0;
1521
1522                        /* Flush any pending interrupts */
1523                        wr32(E1000_ICR, ~0);
1524
1525                        wr32(E1000_IMC, ~mask);
1526                        wr32(E1000_ICS, ~mask);
1527                        wrfl();
1528                        usleep_range(10000, 11000);
1529
1530                        if (adapter->test_icr & mask) {
1531                                *data = 5;
1532                                break;
1533                        }
1534                }
1535        }
1536
1537        /* Disable all the interrupts */
1538        wr32(E1000_IMC, ~0);
1539        wrfl();
1540        usleep_range(10000, 11000);
1541
1542        /* Unhook test interrupt handler */
1543        if (adapter->flags & IGB_FLAG_HAS_MSIX)
1544                free_irq(adapter->msix_entries[0].vector, adapter);
1545        else
1546                free_irq(irq, adapter);
1547
1548        return *data;
1549}
1550
1551static void igb_free_desc_rings(struct igb_adapter *adapter)
1552{
1553        igb_free_tx_resources(&adapter->test_tx_ring);
1554        igb_free_rx_resources(&adapter->test_rx_ring);
1555}
1556
1557static int igb_setup_desc_rings(struct igb_adapter *adapter)
1558{
1559        struct igb_ring *tx_ring = &adapter->test_tx_ring;
1560        struct igb_ring *rx_ring = &adapter->test_rx_ring;
1561        struct e1000_hw *hw = &adapter->hw;
1562        int ret_val;
1563
1564        /* Setup Tx descriptor ring and Tx buffers */
1565        tx_ring->count = IGB_DEFAULT_TXD;
1566        tx_ring->dev = &adapter->pdev->dev;
1567        tx_ring->netdev = adapter->netdev;
1568        tx_ring->reg_idx = adapter->vfs_allocated_count;
1569
1570        if (igb_setup_tx_resources(tx_ring)) {
1571                ret_val = 1;
1572                goto err_nomem;
1573        }
1574
1575        igb_setup_tctl(adapter);
1576        igb_configure_tx_ring(adapter, tx_ring);
1577
1578        /* Setup Rx descriptor ring and Rx buffers */
1579        rx_ring->count = IGB_DEFAULT_RXD;
1580        rx_ring->dev = &adapter->pdev->dev;
1581        rx_ring->netdev = adapter->netdev;
1582        rx_ring->reg_idx = adapter->vfs_allocated_count;
1583
1584        if (igb_setup_rx_resources(rx_ring)) {
1585                ret_val = 3;
1586                goto err_nomem;
1587        }
1588
1589        /* set the default queue to queue 0 of PF */
1590        wr32(E1000_MRQC, adapter->vfs_allocated_count << 3);
1591
1592        /* enable receive ring */
1593        igb_setup_rctl(adapter);
1594        igb_configure_rx_ring(adapter, rx_ring);
1595
1596        igb_alloc_rx_buffers(rx_ring, igb_desc_unused(rx_ring));
1597
1598        return 0;
1599
1600err_nomem:
1601        igb_free_desc_rings(adapter);
1602        return ret_val;
1603}
1604
1605static void igb_phy_disable_receiver(struct igb_adapter *adapter)
1606{
1607        struct e1000_hw *hw = &adapter->hw;
1608
1609        /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1610        igb_write_phy_reg(hw, 29, 0x001F);
1611        igb_write_phy_reg(hw, 30, 0x8FFC);
1612        igb_write_phy_reg(hw, 29, 0x001A);
1613        igb_write_phy_reg(hw, 30, 0x8FF0);
1614}
1615
1616static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
1617{
1618        struct e1000_hw *hw = &adapter->hw;
1619        u32 ctrl_reg = 0;
1620
1621        hw->mac.autoneg = false;
1622
1623        if (hw->phy.type == e1000_phy_m88) {
1624                if (hw->phy.id != I210_I_PHY_ID) {
1625                        /* Auto-MDI/MDIX Off */
1626                        igb_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1627                        /* reset to update Auto-MDI/MDIX */
1628                        igb_write_phy_reg(hw, PHY_CONTROL, 0x9140);
1629                        /* autoneg off */
1630                        igb_write_phy_reg(hw, PHY_CONTROL, 0x8140);
1631                } else {
1632                        /* force 1000, set loopback  */
1633                        igb_write_phy_reg(hw, I347AT4_PAGE_SELECT, 0);
1634                        igb_write_phy_reg(hw, PHY_CONTROL, 0x4140);
1635                }
1636        } else if (hw->phy.type == e1000_phy_82580) {
1637                /* enable MII loopback */
1638                igb_write_phy_reg(hw, I82580_PHY_LBK_CTRL, 0x8041);
1639        }
1640
1641        /* add small delay to avoid loopback test failure */
1642        msleep(50);
1643
1644        /* force 1000, set loopback */
1645        igb_write_phy_reg(hw, PHY_CONTROL, 0x4140);
1646
1647        /* Now set up the MAC to the same speed/duplex as the PHY. */
1648        ctrl_reg = rd32(E1000_CTRL);
1649        ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1650        ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1651                     E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1652                     E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1653                     E1000_CTRL_FD |     /* Force Duplex to FULL */
1654                     E1000_CTRL_SLU);    /* Set link up enable bit */
1655
1656        if (hw->phy.type == e1000_phy_m88)
1657                ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1658
1659        wr32(E1000_CTRL, ctrl_reg);
1660
1661        /* Disable the receiver on the PHY so when a cable is plugged in, the
1662         * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1663         */
1664        if (hw->phy.type == e1000_phy_m88)
1665                igb_phy_disable_receiver(adapter);
1666
1667        msleep(500);
1668        return 0;
1669}
1670
1671static int igb_set_phy_loopback(struct igb_adapter *adapter)
1672{
1673        return igb_integrated_phy_loopback(adapter);
1674}
1675
1676static int igb_setup_loopback_test(struct igb_adapter *adapter)
1677{
1678        struct e1000_hw *hw = &adapter->hw;
1679        u32 reg;
1680
1681        reg = rd32(E1000_CTRL_EXT);
1682
1683        /* use CTRL_EXT to identify link type as SGMII can appear as copper */
1684        if (reg & E1000_CTRL_EXT_LINK_MODE_MASK) {
1685                if ((hw->device_id == E1000_DEV_ID_DH89XXCC_SGMII) ||
1686                (hw->device_id == E1000_DEV_ID_DH89XXCC_SERDES) ||
1687                (hw->device_id == E1000_DEV_ID_DH89XXCC_BACKPLANE) ||
1688                (hw->device_id == E1000_DEV_ID_DH89XXCC_SFP) ||
1689                (hw->device_id == E1000_DEV_ID_I354_SGMII) ||
1690                (hw->device_id == E1000_DEV_ID_I354_BACKPLANE_2_5GBPS)) {
1691                        /* Enable DH89xxCC MPHY for near end loopback */
1692                        reg = rd32(E1000_MPHY_ADDR_CTL);
1693                        reg = (reg & E1000_MPHY_ADDR_CTL_OFFSET_MASK) |
1694                        E1000_MPHY_PCS_CLK_REG_OFFSET;
1695                        wr32(E1000_MPHY_ADDR_CTL, reg);
1696
1697                        reg = rd32(E1000_MPHY_DATA);
1698                        reg |= E1000_MPHY_PCS_CLK_REG_DIGINELBEN;
1699                        wr32(E1000_MPHY_DATA, reg);
1700                }
1701
1702                reg = rd32(E1000_RCTL);
1703                reg |= E1000_RCTL_LBM_TCVR;
1704                wr32(E1000_RCTL, reg);
1705
1706                wr32(E1000_SCTL, E1000_ENABLE_SERDES_LOOPBACK);
1707
1708                reg = rd32(E1000_CTRL);
1709                reg &= ~(E1000_CTRL_RFCE |
1710                         E1000_CTRL_TFCE |
1711                         E1000_CTRL_LRST);
1712                reg |= E1000_CTRL_SLU |
1713                       E1000_CTRL_FD;
1714                wr32(E1000_CTRL, reg);
1715
1716                /* Unset switch control to serdes energy detect */
1717                reg = rd32(E1000_CONNSW);
1718                reg &= ~E1000_CONNSW_ENRGSRC;
1719                wr32(E1000_CONNSW, reg);
1720
1721                /* Unset sigdetect for SERDES loopback on
1722                 * 82580 and newer devices.
1723                 */
1724                if (hw->mac.type >= e1000_82580) {
1725                        reg = rd32(E1000_PCS_CFG0);
1726                        reg |= E1000_PCS_CFG_IGN_SD;
1727                        wr32(E1000_PCS_CFG0, reg);
1728                }
1729
1730                /* Set PCS register for forced speed */
1731                reg = rd32(E1000_PCS_LCTL);
1732                reg &= ~E1000_PCS_LCTL_AN_ENABLE;     /* Disable Autoneg*/
1733                reg |= E1000_PCS_LCTL_FLV_LINK_UP |   /* Force link up */
1734                       E1000_PCS_LCTL_FSV_1000 |      /* Force 1000    */
1735                       E1000_PCS_LCTL_FDV_FULL |      /* SerDes Full duplex */
1736                       E1000_PCS_LCTL_FSD |           /* Force Speed */
1737                       E1000_PCS_LCTL_FORCE_LINK;     /* Force Link */
1738                wr32(E1000_PCS_LCTL, reg);
1739
1740                return 0;
1741        }
1742
1743        return igb_set_phy_loopback(adapter);
1744}
1745
1746static void igb_loopback_cleanup(struct igb_adapter *adapter)
1747{
1748        struct e1000_hw *hw = &adapter->hw;
1749        u32 rctl;
1750        u16 phy_reg;
1751
1752        if ((hw->device_id == E1000_DEV_ID_DH89XXCC_SGMII) ||
1753        (hw->device_id == E1000_DEV_ID_DH89XXCC_SERDES) ||
1754        (hw->device_id == E1000_DEV_ID_DH89XXCC_BACKPLANE) ||
1755        (hw->device_id == E1000_DEV_ID_DH89XXCC_SFP) ||
1756        (hw->device_id == E1000_DEV_ID_I354_SGMII)) {
1757                u32 reg;
1758
1759                /* Disable near end loopback on DH89xxCC */
1760                reg = rd32(E1000_MPHY_ADDR_CTL);
1761                reg = (reg & E1000_MPHY_ADDR_CTL_OFFSET_MASK) |
1762                E1000_MPHY_PCS_CLK_REG_OFFSET;
1763                wr32(E1000_MPHY_ADDR_CTL, reg);
1764
1765                reg = rd32(E1000_MPHY_DATA);
1766                reg &= ~E1000_MPHY_PCS_CLK_REG_DIGINELBEN;
1767                wr32(E1000_MPHY_DATA, reg);
1768        }
1769
1770        rctl = rd32(E1000_RCTL);
1771        rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1772        wr32(E1000_RCTL, rctl);
1773
1774        hw->mac.autoneg = true;
1775        igb_read_phy_reg(hw, PHY_CONTROL, &phy_reg);
1776        if (phy_reg & MII_CR_LOOPBACK) {
1777                phy_reg &= ~MII_CR_LOOPBACK;
1778                igb_write_phy_reg(hw, PHY_CONTROL, phy_reg);
1779                igb_phy_sw_reset(hw);
1780        }
1781}
1782
1783static void igb_create_lbtest_frame(struct sk_buff *skb,
1784                                    unsigned int frame_size)
1785{
1786        memset(skb->data, 0xFF, frame_size);
1787        frame_size /= 2;
1788        memset(&skb->data[frame_size], 0xAA, frame_size - 1);
1789        skb->data[frame_size + 10] = 0xBE;
1790        skb->data[frame_size + 12] = 0xAF;
1791}
1792
1793static int igb_check_lbtest_frame(struct igb_rx_buffer *rx_buffer,
1794                                  unsigned int frame_size)
1795{
1796        unsigned char *data;
1797        bool match = true;
1798
1799        frame_size >>= 1;
1800
1801        data = kmap(rx_buffer->page);
1802
1803        if (data[3] != 0xFF ||
1804            data[frame_size + 10] != 0xBE ||
1805            data[frame_size + 12] != 0xAF)
1806                match = false;
1807
1808        kunmap(rx_buffer->page);
1809
1810        return match;
1811}
1812
1813static int igb_clean_test_rings(struct igb_ring *rx_ring,
1814                                struct igb_ring *tx_ring,
1815                                unsigned int size)
1816{
1817        union e1000_adv_rx_desc *rx_desc;
1818        struct igb_rx_buffer *rx_buffer_info;
1819        struct igb_tx_buffer *tx_buffer_info;
1820        u16 rx_ntc, tx_ntc, count = 0;
1821
1822        /* initialize next to clean and descriptor values */
1823        rx_ntc = rx_ring->next_to_clean;
1824        tx_ntc = tx_ring->next_to_clean;
1825        rx_desc = IGB_RX_DESC(rx_ring, rx_ntc);
1826
1827        while (rx_desc->wb.upper.length) {
1828                /* check Rx buffer */
1829                rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
1830
1831                /* sync Rx buffer for CPU read */
1832                dma_sync_single_for_cpu(rx_ring->dev,
1833                                        rx_buffer_info->dma,
1834                                        size,
1835                                        DMA_FROM_DEVICE);
1836
1837                /* verify contents of skb */
1838                if (igb_check_lbtest_frame(rx_buffer_info, size))
1839                        count++;
1840
1841                /* sync Rx buffer for device write */
1842                dma_sync_single_for_device(rx_ring->dev,
1843                                           rx_buffer_info->dma,
1844                                           size,
1845                                           DMA_FROM_DEVICE);
1846
1847                /* unmap buffer on Tx side */
1848                tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc];
1849
1850                /* Free all the Tx ring sk_buffs */
1851                dev_kfree_skb_any(tx_buffer_info->skb);
1852
1853                /* unmap skb header data */
1854                dma_unmap_single(tx_ring->dev,
1855                                 dma_unmap_addr(tx_buffer_info, dma),
1856                                 dma_unmap_len(tx_buffer_info, len),
1857                                 DMA_TO_DEVICE);
1858                dma_unmap_len_set(tx_buffer_info, len, 0);
1859
1860                /* increment Rx/Tx next to clean counters */
1861                rx_ntc++;
1862                if (rx_ntc == rx_ring->count)
1863                        rx_ntc = 0;
1864                tx_ntc++;
1865                if (tx_ntc == tx_ring->count)
1866                        tx_ntc = 0;
1867
1868                /* fetch next descriptor */
1869                rx_desc = IGB_RX_DESC(rx_ring, rx_ntc);
1870        }
1871
1872        netdev_tx_reset_queue(txring_txq(tx_ring));
1873
1874        /* re-map buffers to ring, store next to clean values */
1875        igb_alloc_rx_buffers(rx_ring, count);
1876        rx_ring->next_to_clean = rx_ntc;
1877        tx_ring->next_to_clean = tx_ntc;
1878
1879        return count;
1880}
1881
1882static int igb_run_loopback_test(struct igb_adapter *adapter)
1883{
1884        struct igb_ring *tx_ring = &adapter->test_tx_ring;
1885        struct igb_ring *rx_ring = &adapter->test_rx_ring;
1886        u16 i, j, lc, good_cnt;
1887        int ret_val = 0;
1888        unsigned int size = IGB_RX_HDR_LEN;
1889        netdev_tx_t tx_ret_val;
1890        struct sk_buff *skb;
1891
1892        /* allocate test skb */
1893        skb = alloc_skb(size, GFP_KERNEL);
1894        if (!skb)
1895                return 11;
1896
1897        /* place data into test skb */
1898        igb_create_lbtest_frame(skb, size);
1899        skb_put(skb, size);
1900
1901        /* Calculate the loop count based on the largest descriptor ring
1902         * The idea is to wrap the largest ring a number of times using 64
1903         * send/receive pairs during each loop
1904         */
1905
1906        if (rx_ring->count <= tx_ring->count)
1907                lc = ((tx_ring->count / 64) * 2) + 1;
1908        else
1909                lc = ((rx_ring->count / 64) * 2) + 1;
1910
1911        for (j = 0; j <= lc; j++) { /* loop count loop */
1912                /* reset count of good packets */
1913                good_cnt = 0;
1914
1915                /* place 64 packets on the transmit queue*/
1916                for (i = 0; i < 64; i++) {
1917                        skb_get(skb);
1918                        tx_ret_val = igb_xmit_frame_ring(skb, tx_ring);
1919                        if (tx_ret_val == NETDEV_TX_OK)
1920                                good_cnt++;
1921                }
1922
1923                if (good_cnt != 64) {
1924                        ret_val = 12;
1925                        break;
1926                }
1927
1928                /* allow 200 milliseconds for packets to go from Tx to Rx */
1929                msleep(200);
1930
1931                good_cnt = igb_clean_test_rings(rx_ring, tx_ring, size);
1932                if (good_cnt != 64) {
1933                        ret_val = 13;
1934                        break;
1935                }
1936        } /* end loop count loop */
1937
1938        /* free the original skb */
1939        kfree_skb(skb);
1940
1941        return ret_val;
1942}
1943
1944static int igb_loopback_test(struct igb_adapter *adapter, u64 *data)
1945{
1946        /* PHY loopback cannot be performed if SoL/IDER
1947         * sessions are active
1948         */
1949        if (igb_check_reset_block(&adapter->hw)) {
1950                dev_err(&adapter->pdev->dev,
1951                        "Cannot do PHY loopback test when SoL/IDER is active.\n");
1952                *data = 0;
1953                goto out;
1954        }
1955
1956        if (adapter->hw.mac.type == e1000_i354) {
1957                dev_info(&adapter->pdev->dev,
1958                        "Loopback test not supported on i354.\n");
1959                *data = 0;
1960                goto out;
1961        }
1962        *data = igb_setup_desc_rings(adapter);
1963        if (*data)
1964                goto out;
1965        *data = igb_setup_loopback_test(adapter);
1966        if (*data)
1967                goto err_loopback;
1968        *data = igb_run_loopback_test(adapter);
1969        igb_loopback_cleanup(adapter);
1970
1971err_loopback:
1972        igb_free_desc_rings(adapter);
1973out:
1974        return *data;
1975}
1976
1977static int igb_link_test(struct igb_adapter *adapter, u64 *data)
1978{
1979        struct e1000_hw *hw = &adapter->hw;
1980        *data = 0;
1981        if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1982                int i = 0;
1983
1984                hw->mac.serdes_has_link = false;
1985
1986                /* On some blade server designs, link establishment
1987                 * could take as long as 2-3 minutes
1988                 */
1989                do {
1990                        hw->mac.ops.check_for_link(&adapter->hw);
1991                        if (hw->mac.serdes_has_link)
1992                                return *data;
1993                        msleep(20);
1994                } while (i++ < 3750);
1995
1996                *data = 1;
1997        } else {
1998                hw->mac.ops.check_for_link(&adapter->hw);
1999                if (hw->mac.autoneg)
2000                        msleep(5000);
2001
2002                if (!(rd32(E1000_STATUS) & E1000_STATUS_LU))
2003                        *data = 1;
2004        }
2005        return *data;
2006}
2007
2008static void igb_diag_test(struct net_device *netdev,
2009                          struct ethtool_test *eth_test, u64 *data)
2010{
2011        struct igb_adapter *adapter = netdev_priv(netdev);
2012        u16 autoneg_advertised;
2013        u8 forced_speed_duplex, autoneg;
2014        bool if_running = netif_running(netdev);
2015
2016        set_bit(__IGB_TESTING, &adapter->state);
2017
2018        /* can't do offline tests on media switching devices */
2019        if (adapter->hw.dev_spec._82575.mas_capable)
2020                eth_test->flags &= ~ETH_TEST_FL_OFFLINE;
2021        if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
2022                /* Offline tests */
2023
2024                /* save speed, duplex, autoneg settings */
2025                autoneg_advertised = adapter->hw.phy.autoneg_advertised;
2026                forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
2027                autoneg = adapter->hw.mac.autoneg;
2028
2029                dev_info(&adapter->pdev->dev, "offline testing starting\n");
2030
2031                /* power up link for link test */
2032                igb_power_up_link(adapter);
2033
2034                /* Link test performed before hardware reset so autoneg doesn't
2035                 * interfere with test result
2036                 */
2037                if (igb_link_test(adapter, &data[TEST_LINK]))
2038                        eth_test->flags |= ETH_TEST_FL_FAILED;
2039
2040                if (if_running)
2041                        /* indicate we're in test mode */
2042                        igb_close(netdev);
2043                else
2044                        igb_reset(adapter);
2045
2046                if (igb_reg_test(adapter, &data[TEST_REG]))
2047                        eth_test->flags |= ETH_TEST_FL_FAILED;
2048
2049                igb_reset(adapter);
2050                if (igb_eeprom_test(adapter, &data[TEST_EEP]))
2051                        eth_test->flags |= ETH_TEST_FL_FAILED;
2052
2053                igb_reset(adapter);
2054                if (igb_intr_test(adapter, &data[TEST_IRQ]))
2055                        eth_test->flags |= ETH_TEST_FL_FAILED;
2056
2057                igb_reset(adapter);
2058                /* power up link for loopback test */
2059                igb_power_up_link(adapter);
2060                if (igb_loopback_test(adapter, &data[TEST_LOOP]))
2061                        eth_test->flags |= ETH_TEST_FL_FAILED;
2062
2063                /* restore speed, duplex, autoneg settings */
2064                adapter->hw.phy.autoneg_advertised = autoneg_advertised;
2065                adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
2066                adapter->hw.mac.autoneg = autoneg;
2067
2068                /* force this routine to wait until autoneg complete/timeout */
2069                adapter->hw.phy.autoneg_wait_to_complete = true;
2070                igb_reset(adapter);
2071                adapter->hw.phy.autoneg_wait_to_complete = false;
2072
2073                clear_bit(__IGB_TESTING, &adapter->state);
2074                if (if_running)
2075                        igb_open(netdev);
2076        } else {
2077                dev_info(&adapter->pdev->dev, "online testing starting\n");
2078
2079                /* PHY is powered down when interface is down */
2080                if (if_running && igb_link_test(adapter, &data[TEST_LINK]))
2081                        eth_test->flags |= ETH_TEST_FL_FAILED;
2082                else
2083                        data[TEST_LINK] = 0;
2084
2085                /* Online tests aren't run; pass by default */
2086                data[TEST_REG] = 0;
2087                data[TEST_EEP] = 0;
2088                data[TEST_IRQ] = 0;
2089                data[TEST_LOOP] = 0;
2090
2091                clear_bit(__IGB_TESTING, &adapter->state);
2092        }
2093        msleep_interruptible(4 * 1000);
2094}
2095
2096static void igb_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2097{
2098        struct igb_adapter *adapter = netdev_priv(netdev);
2099
2100        wol->wolopts = 0;
2101
2102        if (!(adapter->flags & IGB_FLAG_WOL_SUPPORTED))
2103                return;
2104
2105        wol->supported = WAKE_UCAST | WAKE_MCAST |
2106                         WAKE_BCAST | WAKE_MAGIC |
2107                         WAKE_PHY;
2108
2109        /* apply any specific unsupported masks here */
2110        switch (adapter->hw.device_id) {
2111        default:
2112                break;
2113        }
2114
2115        if (adapter->wol & E1000_WUFC_EX)
2116                wol->wolopts |= WAKE_UCAST;
2117        if (adapter->wol & E1000_WUFC_MC)
2118                wol->wolopts |= WAKE_MCAST;
2119        if (adapter->wol & E1000_WUFC_BC)
2120                wol->wolopts |= WAKE_BCAST;
2121        if (adapter->wol & E1000_WUFC_MAG)
2122                wol->wolopts |= WAKE_MAGIC;
2123        if (adapter->wol & E1000_WUFC_LNKC)
2124                wol->wolopts |= WAKE_PHY;
2125}
2126
2127static int igb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2128{
2129        struct igb_adapter *adapter = netdev_priv(netdev);
2130
2131        if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | WAKE_FILTER))
2132                return -EOPNOTSUPP;
2133
2134        if (!(adapter->flags & IGB_FLAG_WOL_SUPPORTED))
2135                return wol->wolopts ? -EOPNOTSUPP : 0;
2136
2137        /* these settings will always override what we currently have */
2138        adapter->wol = 0;
2139
2140        if (wol->wolopts & WAKE_UCAST)
2141                adapter->wol |= E1000_WUFC_EX;
2142        if (wol->wolopts & WAKE_MCAST)
2143                adapter->wol |= E1000_WUFC_MC;
2144        if (wol->wolopts & WAKE_BCAST)
2145                adapter->wol |= E1000_WUFC_BC;
2146        if (wol->wolopts & WAKE_MAGIC)
2147                adapter->wol |= E1000_WUFC_MAG;
2148        if (wol->wolopts & WAKE_PHY)
2149                adapter->wol |= E1000_WUFC_LNKC;
2150        device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2151
2152        return 0;
2153}
2154
2155/* bit defines for adapter->led_status */
2156#define IGB_LED_ON              0
2157
2158static int igb_set_phys_id(struct net_device *netdev,
2159                           enum ethtool_phys_id_state state)
2160{
2161        struct igb_adapter *adapter = netdev_priv(netdev);
2162        struct e1000_hw *hw = &adapter->hw;
2163
2164        switch (state) {
2165        case ETHTOOL_ID_ACTIVE:
2166                igb_blink_led(hw);
2167                return 2;
2168        case ETHTOOL_ID_ON:
2169                igb_blink_led(hw);
2170                break;
2171        case ETHTOOL_ID_OFF:
2172                igb_led_off(hw);
2173                break;
2174        case ETHTOOL_ID_INACTIVE:
2175                igb_led_off(hw);
2176                clear_bit(IGB_LED_ON, &adapter->led_status);
2177                igb_cleanup_led(hw);
2178                break;
2179        }
2180
2181        return 0;
2182}
2183
2184static int igb_set_coalesce(struct net_device *netdev,
2185                            struct ethtool_coalesce *ec,
2186                            struct kernel_ethtool_coalesce *kernel_coal,
2187                            struct netlink_ext_ack *extack)
2188{
2189        struct igb_adapter *adapter = netdev_priv(netdev);
2190        int i;
2191
2192        if ((ec->rx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
2193            ((ec->rx_coalesce_usecs > 3) &&
2194             (ec->rx_coalesce_usecs < IGB_MIN_ITR_USECS)) ||
2195            (ec->rx_coalesce_usecs == 2))
2196                return -EINVAL;
2197
2198        if ((ec->tx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
2199            ((ec->tx_coalesce_usecs > 3) &&
2200             (ec->tx_coalesce_usecs < IGB_MIN_ITR_USECS)) ||
2201            (ec->tx_coalesce_usecs == 2))
2202                return -EINVAL;
2203
2204        if ((adapter->flags & IGB_FLAG_QUEUE_PAIRS) && ec->tx_coalesce_usecs)
2205                return -EINVAL;
2206
2207        /* If ITR is disabled, disable DMAC */
2208        if (ec->rx_coalesce_usecs == 0) {
2209                if (adapter->flags & IGB_FLAG_DMAC)
2210                        adapter->flags &= ~IGB_FLAG_DMAC;
2211        }
2212
2213        /* convert to rate of irq's per second */
2214        if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3)
2215                adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2216        else
2217                adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2218
2219        /* convert to rate of irq's per second */
2220        if (adapter->flags & IGB_FLAG_QUEUE_PAIRS)
2221                adapter->tx_itr_setting = adapter->rx_itr_setting;
2222        else if (ec->tx_coalesce_usecs && ec->tx_coalesce_usecs <= 3)
2223                adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2224        else
2225                adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2226
2227        for (i = 0; i < adapter->num_q_vectors; i++) {
2228                struct igb_q_vector *q_vector = adapter->q_vector[i];
2229                q_vector->tx.work_limit = adapter->tx_work_limit;
2230                if (q_vector->rx.ring)
2231                        q_vector->itr_val = adapter->rx_itr_setting;
2232                else
2233                        q_vector->itr_val = adapter->tx_itr_setting;
2234                if (q_vector->itr_val && q_vector->itr_val <= 3)
2235                        q_vector->itr_val = IGB_START_ITR;
2236                q_vector->set_itr = 1;
2237        }
2238
2239        return 0;
2240}
2241
2242static int igb_get_coalesce(struct net_device *netdev,
2243                            struct ethtool_coalesce *ec,
2244                            struct kernel_ethtool_coalesce *kernel_coal,
2245                            struct netlink_ext_ack *extack)
2246{
2247        struct igb_adapter *adapter = netdev_priv(netdev);
2248
2249        if (adapter->rx_itr_setting <= 3)
2250                ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2251        else
2252                ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
2253
2254        if (!(adapter->flags & IGB_FLAG_QUEUE_PAIRS)) {
2255                if (adapter->tx_itr_setting <= 3)
2256                        ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2257                else
2258                        ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
2259        }
2260
2261        return 0;
2262}
2263
2264static int igb_nway_reset(struct net_device *netdev)
2265{
2266        struct igb_adapter *adapter = netdev_priv(netdev);
2267        if (netif_running(netdev))
2268                igb_reinit_locked(adapter);
2269        return 0;
2270}
2271
2272static int igb_get_sset_count(struct net_device *netdev, int sset)
2273{
2274        switch (sset) {
2275        case ETH_SS_STATS:
2276                return IGB_STATS_LEN;
2277        case ETH_SS_TEST:
2278                return IGB_TEST_LEN;
2279        case ETH_SS_PRIV_FLAGS:
2280                return IGB_PRIV_FLAGS_STR_LEN;
2281        default:
2282                return -ENOTSUPP;
2283        }
2284}
2285
2286static void igb_get_ethtool_stats(struct net_device *netdev,
2287                                  struct ethtool_stats *stats, u64 *data)
2288{
2289        struct igb_adapter *adapter = netdev_priv(netdev);
2290        struct rtnl_link_stats64 *net_stats = &adapter->stats64;
2291        unsigned int start;
2292        struct igb_ring *ring;
2293        int i, j;
2294        char *p;
2295
2296        spin_lock(&adapter->stats64_lock);
2297        igb_update_stats(adapter);
2298
2299        for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
2300                p = (char *)adapter + igb_gstrings_stats[i].stat_offset;
2301                data[i] = (igb_gstrings_stats[i].sizeof_stat ==
2302                        sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2303        }
2304        for (j = 0; j < IGB_NETDEV_STATS_LEN; j++, i++) {
2305                p = (char *)net_stats + igb_gstrings_net_stats[j].stat_offset;
2306                data[i] = (igb_gstrings_net_stats[j].sizeof_stat ==
2307                        sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2308        }
2309        for (j = 0; j < adapter->num_tx_queues; j++) {
2310                u64     restart2;
2311
2312                ring = adapter->tx_ring[j];
2313                do {
2314                        start = u64_stats_fetch_begin_irq(&ring->tx_syncp);
2315                        data[i]   = ring->tx_stats.packets;
2316                        data[i+1] = ring->tx_stats.bytes;
2317                        data[i+2] = ring->tx_stats.restart_queue;
2318                } while (u64_stats_fetch_retry_irq(&ring->tx_syncp, start));
2319                do {
2320                        start = u64_stats_fetch_begin_irq(&ring->tx_syncp2);
2321                        restart2  = ring->tx_stats.restart_queue2;
2322                } while (u64_stats_fetch_retry_irq(&ring->tx_syncp2, start));
2323                data[i+2] += restart2;
2324
2325                i += IGB_TX_QUEUE_STATS_LEN;
2326        }
2327        for (j = 0; j < adapter->num_rx_queues; j++) {
2328                ring = adapter->rx_ring[j];
2329                do {
2330                        start = u64_stats_fetch_begin_irq(&ring->rx_syncp);
2331                        data[i]   = ring->rx_stats.packets;
2332                        data[i+1] = ring->rx_stats.bytes;
2333                        data[i+2] = ring->rx_stats.drops;
2334                        data[i+3] = ring->rx_stats.csum_err;
2335                        data[i+4] = ring->rx_stats.alloc_failed;
2336                } while (u64_stats_fetch_retry_irq(&ring->rx_syncp, start));
2337                i += IGB_RX_QUEUE_STATS_LEN;
2338        }
2339        spin_unlock(&adapter->stats64_lock);
2340}
2341
2342static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
2343{
2344        struct igb_adapter *adapter = netdev_priv(netdev);
2345        u8 *p = data;
2346        int i;
2347
2348        switch (stringset) {
2349        case ETH_SS_TEST:
2350                memcpy(data, igb_gstrings_test, sizeof(igb_gstrings_test));
2351                break;
2352        case ETH_SS_STATS:
2353                for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++)
2354                        ethtool_sprintf(&p,
2355                                        igb_gstrings_stats[i].stat_string);
2356                for (i = 0; i < IGB_NETDEV_STATS_LEN; i++)
2357                        ethtool_sprintf(&p,
2358                                        igb_gstrings_net_stats[i].stat_string);
2359                for (i = 0; i < adapter->num_tx_queues; i++) {
2360                        ethtool_sprintf(&p, "tx_queue_%u_packets", i);
2361                        ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
2362                        ethtool_sprintf(&p, "tx_queue_%u_restart", i);
2363                }
2364                for (i = 0; i < adapter->num_rx_queues; i++) {
2365                        ethtool_sprintf(&p, "rx_queue_%u_packets", i);
2366                        ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
2367                        ethtool_sprintf(&p, "rx_queue_%u_drops", i);
2368                        ethtool_sprintf(&p, "rx_queue_%u_csum_err", i);
2369                        ethtool_sprintf(&p, "rx_queue_%u_alloc_failed", i);
2370                }
2371                /* BUG_ON(p - data != IGB_STATS_LEN * ETH_GSTRING_LEN); */
2372                break;
2373        case ETH_SS_PRIV_FLAGS:
2374                memcpy(data, igb_priv_flags_strings,
2375                       IGB_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
2376                break;
2377        }
2378}
2379
2380static int igb_get_ts_info(struct net_device *dev,
2381                           struct ethtool_ts_info *info)
2382{
2383        struct igb_adapter *adapter = netdev_priv(dev);
2384
2385        if (adapter->ptp_clock)
2386                info->phc_index = ptp_clock_index(adapter->ptp_clock);
2387        else
2388                info->phc_index = -1;
2389
2390        switch (adapter->hw.mac.type) {
2391        case e1000_82575:
2392                info->so_timestamping =
2393                        SOF_TIMESTAMPING_TX_SOFTWARE |
2394                        SOF_TIMESTAMPING_RX_SOFTWARE |
2395                        SOF_TIMESTAMPING_SOFTWARE;
2396                return 0;
2397        case e1000_82576:
2398        case e1000_82580:
2399        case e1000_i350:
2400        case e1000_i354:
2401        case e1000_i210:
2402        case e1000_i211:
2403                info->so_timestamping =
2404                        SOF_TIMESTAMPING_TX_SOFTWARE |
2405                        SOF_TIMESTAMPING_RX_SOFTWARE |
2406                        SOF_TIMESTAMPING_SOFTWARE |
2407                        SOF_TIMESTAMPING_TX_HARDWARE |
2408                        SOF_TIMESTAMPING_RX_HARDWARE |
2409                        SOF_TIMESTAMPING_RAW_HARDWARE;
2410
2411                info->tx_types =
2412                        BIT(HWTSTAMP_TX_OFF) |
2413                        BIT(HWTSTAMP_TX_ON);
2414
2415                info->rx_filters = BIT(HWTSTAMP_FILTER_NONE);
2416
2417                /* 82576 does not support timestamping all packets. */
2418                if (adapter->hw.mac.type >= e1000_82580)
2419                        info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL);
2420                else
2421                        info->rx_filters |=
2422                                BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2423                                BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2424                                BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
2425
2426                return 0;
2427        default:
2428                return -EOPNOTSUPP;
2429        }
2430}
2431
2432#define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
2433static int igb_get_ethtool_nfc_entry(struct igb_adapter *adapter,
2434                                     struct ethtool_rxnfc *cmd)
2435{
2436        struct ethtool_rx_flow_spec *fsp = &cmd->fs;
2437        struct igb_nfc_filter *rule = NULL;
2438
2439        /* report total rule count */
2440        cmd->data = IGB_MAX_RXNFC_FILTERS;
2441
2442        hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
2443                if (fsp->location <= rule->sw_idx)
2444                        break;
2445        }
2446
2447        if (!rule || fsp->location != rule->sw_idx)
2448                return -EINVAL;
2449
2450        if (rule->filter.match_flags) {
2451                fsp->flow_type = ETHER_FLOW;
2452                fsp->ring_cookie = rule->action;
2453                if (rule->filter.match_flags & IGB_FILTER_FLAG_ETHER_TYPE) {
2454                        fsp->h_u.ether_spec.h_proto = rule->filter.etype;
2455                        fsp->m_u.ether_spec.h_proto = ETHER_TYPE_FULL_MASK;
2456                }
2457                if (rule->filter.match_flags & IGB_FILTER_FLAG_VLAN_TCI) {
2458                        fsp->flow_type |= FLOW_EXT;
2459                        fsp->h_ext.vlan_tci = rule->filter.vlan_tci;
2460                        fsp->m_ext.vlan_tci = htons(VLAN_PRIO_MASK);
2461                }
2462                if (rule->filter.match_flags & IGB_FILTER_FLAG_DST_MAC_ADDR) {
2463                        ether_addr_copy(fsp->h_u.ether_spec.h_dest,
2464                                        rule->filter.dst_addr);
2465                        /* As we only support matching by the full
2466                         * mask, return the mask to userspace
2467                         */
2468                        eth_broadcast_addr(fsp->m_u.ether_spec.h_dest);
2469                }
2470                if (rule->filter.match_flags & IGB_FILTER_FLAG_SRC_MAC_ADDR) {
2471                        ether_addr_copy(fsp->h_u.ether_spec.h_source,
2472                                        rule->filter.src_addr);
2473                        /* As we only support matching by the full
2474                         * mask, return the mask to userspace
2475                         */
2476                        eth_broadcast_addr(fsp->m_u.ether_spec.h_source);
2477                }
2478
2479                return 0;
2480        }
2481        return -EINVAL;
2482}
2483
2484static int igb_get_ethtool_nfc_all(struct igb_adapter *adapter,
2485                                   struct ethtool_rxnfc *cmd,
2486                                   u32 *rule_locs)
2487{
2488        struct igb_nfc_filter *rule;
2489        int cnt = 0;
2490
2491        /* report total rule count */
2492        cmd->data = IGB_MAX_RXNFC_FILTERS;
2493
2494        hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
2495                if (cnt == cmd->rule_cnt)
2496                        return -EMSGSIZE;
2497                rule_locs[cnt] = rule->sw_idx;
2498                cnt++;
2499        }
2500
2501        cmd->rule_cnt = cnt;
2502
2503        return 0;
2504}
2505
2506static int igb_get_rss_hash_opts(struct igb_adapter *adapter,
2507                                 struct ethtool_rxnfc *cmd)
2508{
2509        cmd->data = 0;
2510
2511        /* Report default options for RSS on igb */
2512        switch (cmd->flow_type) {
2513        case TCP_V4_FLOW:
2514                cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2515                fallthrough;
2516        case UDP_V4_FLOW:
2517                if (adapter->flags & IGB_FLAG_RSS_FIELD_IPV4_UDP)
2518                        cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2519                fallthrough;
2520        case SCTP_V4_FLOW:
2521        case AH_ESP_V4_FLOW:
2522        case AH_V4_FLOW:
2523        case ESP_V4_FLOW:
2524        case IPV4_FLOW:
2525                cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2526                break;
2527        case TCP_V6_FLOW:
2528                cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2529                fallthrough;
2530        case UDP_V6_FLOW:
2531                if (adapter->flags & IGB_FLAG_RSS_FIELD_IPV6_UDP)
2532                        cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2533                fallthrough;
2534        case SCTP_V6_FLOW:
2535        case AH_ESP_V6_FLOW:
2536        case AH_V6_FLOW:
2537        case ESP_V6_FLOW:
2538        case IPV6_FLOW:
2539                cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2540                break;
2541        default:
2542                return -EINVAL;
2543        }
2544
2545        return 0;
2546}
2547
2548static int igb_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2549                         u32 *rule_locs)
2550{
2551        struct igb_adapter *adapter = netdev_priv(dev);
2552        int ret = -EOPNOTSUPP;
2553
2554        switch (cmd->cmd) {
2555        case ETHTOOL_GRXRINGS:
2556                cmd->data = adapter->num_rx_queues;
2557                ret = 0;
2558                break;
2559        case ETHTOOL_GRXCLSRLCNT:
2560                cmd->rule_cnt = adapter->nfc_filter_count;
2561                ret = 0;
2562                break;
2563        case ETHTOOL_GRXCLSRULE:
2564                ret = igb_get_ethtool_nfc_entry(adapter, cmd);
2565                break;
2566        case ETHTOOL_GRXCLSRLALL:
2567                ret = igb_get_ethtool_nfc_all(adapter, cmd, rule_locs);
2568                break;
2569        case ETHTOOL_GRXFH:
2570                ret = igb_get_rss_hash_opts(adapter, cmd);
2571                break;
2572        default:
2573                break;
2574        }
2575
2576        return ret;
2577}
2578
2579#define UDP_RSS_FLAGS (IGB_FLAG_RSS_FIELD_IPV4_UDP | \
2580                       IGB_FLAG_RSS_FIELD_IPV6_UDP)
2581static int igb_set_rss_hash_opt(struct igb_adapter *adapter,
2582                                struct ethtool_rxnfc *nfc)
2583{
2584        u32 flags = adapter->flags;
2585
2586        /* RSS does not support anything other than hashing
2587         * to queues on src and dst IPs and ports
2588         */
2589        if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2590                          RXH_L4_B_0_1 | RXH_L4_B_2_3))
2591                return -EINVAL;
2592
2593        switch (nfc->flow_type) {
2594        case TCP_V4_FLOW:
2595        case TCP_V6_FLOW:
2596                if (!(nfc->data & RXH_IP_SRC) ||
2597                    !(nfc->data & RXH_IP_DST) ||
2598                    !(nfc->data & RXH_L4_B_0_1) ||
2599                    !(nfc->data & RXH_L4_B_2_3))
2600                        return -EINVAL;
2601                break;
2602        case UDP_V4_FLOW:
2603                if (!(nfc->data & RXH_IP_SRC) ||
2604                    !(nfc->data & RXH_IP_DST))
2605                        return -EINVAL;
2606                switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2607                case 0:
2608                        flags &= ~IGB_FLAG_RSS_FIELD_IPV4_UDP;
2609                        break;
2610                case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2611                        flags |= IGB_FLAG_RSS_FIELD_IPV4_UDP;
2612                        break;
2613                default:
2614                        return -EINVAL;
2615                }
2616                break;
2617        case UDP_V6_FLOW:
2618                if (!(nfc->data & RXH_IP_SRC) ||
2619                    !(nfc->data & RXH_IP_DST))
2620                        return -EINVAL;
2621                switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2622                case 0:
2623                        flags &= ~IGB_FLAG_RSS_FIELD_IPV6_UDP;
2624                        break;
2625                case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2626                        flags |= IGB_FLAG_RSS_FIELD_IPV6_UDP;
2627                        break;
2628                default:
2629                        return -EINVAL;
2630                }
2631                break;
2632        case AH_ESP_V4_FLOW:
2633        case AH_V4_FLOW:
2634        case ESP_V4_FLOW:
2635        case SCTP_V4_FLOW:
2636        case AH_ESP_V6_FLOW:
2637        case AH_V6_FLOW:
2638        case ESP_V6_FLOW:
2639        case SCTP_V6_FLOW:
2640                if (!(nfc->data & RXH_IP_SRC) ||
2641                    !(nfc->data & RXH_IP_DST) ||
2642                    (nfc->data & RXH_L4_B_0_1) ||
2643                    (nfc->data & RXH_L4_B_2_3))
2644                        return -EINVAL;
2645                break;
2646        default:
2647                return -EINVAL;
2648        }
2649
2650        /* if we changed something we need to update flags */
2651        if (flags != adapter->flags) {
2652                struct e1000_hw *hw = &adapter->hw;
2653                u32 mrqc = rd32(E1000_MRQC);
2654
2655                if ((flags & UDP_RSS_FLAGS) &&
2656                    !(adapter->flags & UDP_RSS_FLAGS))
2657                        dev_err(&adapter->pdev->dev,
2658                                "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
2659
2660                adapter->flags = flags;
2661
2662                /* Perform hash on these packet types */
2663                mrqc |= E1000_MRQC_RSS_FIELD_IPV4 |
2664                        E1000_MRQC_RSS_FIELD_IPV4_TCP |
2665                        E1000_MRQC_RSS_FIELD_IPV6 |
2666                        E1000_MRQC_RSS_FIELD_IPV6_TCP;
2667
2668                mrqc &= ~(E1000_MRQC_RSS_FIELD_IPV4_UDP |
2669                          E1000_MRQC_RSS_FIELD_IPV6_UDP);
2670
2671                if (flags & IGB_FLAG_RSS_FIELD_IPV4_UDP)
2672                        mrqc |= E1000_MRQC_RSS_FIELD_IPV4_UDP;
2673
2674                if (flags & IGB_FLAG_RSS_FIELD_IPV6_UDP)
2675                        mrqc |= E1000_MRQC_RSS_FIELD_IPV6_UDP;
2676
2677                wr32(E1000_MRQC, mrqc);
2678        }
2679
2680        return 0;
2681}
2682
2683static int igb_rxnfc_write_etype_filter(struct igb_adapter *adapter,
2684                                        struct igb_nfc_filter *input)
2685{
2686        struct e1000_hw *hw = &adapter->hw;
2687        u8 i;
2688        u32 etqf;
2689        u16 etype;
2690
2691        /* find an empty etype filter register */
2692        for (i = 0; i < MAX_ETYPE_FILTER; ++i) {
2693                if (!adapter->etype_bitmap[i])
2694                        break;
2695        }
2696        if (i == MAX_ETYPE_FILTER) {
2697                dev_err(&adapter->pdev->dev, "ethtool -N: etype filters are all used.\n");
2698                return -EINVAL;
2699        }
2700
2701        adapter->etype_bitmap[i] = true;
2702
2703        etqf = rd32(E1000_ETQF(i));
2704        etype = ntohs(input->filter.etype & ETHER_TYPE_FULL_MASK);
2705
2706        etqf |= E1000_ETQF_FILTER_ENABLE;
2707        etqf &= ~E1000_ETQF_ETYPE_MASK;
2708        etqf |= (etype & E1000_ETQF_ETYPE_MASK);
2709
2710        etqf &= ~E1000_ETQF_QUEUE_MASK;
2711        etqf |= ((input->action << E1000_ETQF_QUEUE_SHIFT)
2712                & E1000_ETQF_QUEUE_MASK);
2713        etqf |= E1000_ETQF_QUEUE_ENABLE;
2714
2715        wr32(E1000_ETQF(i), etqf);
2716
2717        input->etype_reg_index = i;
2718
2719        return 0;
2720}
2721
2722static int igb_rxnfc_write_vlan_prio_filter(struct igb_adapter *adapter,
2723                                            struct igb_nfc_filter *input)
2724{
2725        struct e1000_hw *hw = &adapter->hw;
2726        u8 vlan_priority;
2727        u16 queue_index;
2728        u32 vlapqf;
2729
2730        vlapqf = rd32(E1000_VLAPQF);
2731        vlan_priority = (ntohs(input->filter.vlan_tci) & VLAN_PRIO_MASK)
2732                                >> VLAN_PRIO_SHIFT;
2733        queue_index = (vlapqf >> (vlan_priority * 4)) & E1000_VLAPQF_QUEUE_MASK;
2734
2735        /* check whether this vlan prio is already set */
2736        if ((vlapqf & E1000_VLAPQF_P_VALID(vlan_priority)) &&
2737            (queue_index != input->action)) {
2738                dev_err(&adapter->pdev->dev, "ethtool rxnfc set vlan prio filter failed.\n");
2739                return -EEXIST;
2740        }
2741
2742        vlapqf |= E1000_VLAPQF_P_VALID(vlan_priority);
2743        vlapqf |= E1000_VLAPQF_QUEUE_SEL(vlan_priority, input->action);
2744
2745        wr32(E1000_VLAPQF, vlapqf);
2746
2747        return 0;
2748}
2749
2750int igb_add_filter(struct igb_adapter *adapter, struct igb_nfc_filter *input)
2751{
2752        struct e1000_hw *hw = &adapter->hw;
2753        int err = -EINVAL;
2754
2755        if (hw->mac.type == e1000_i210 &&
2756            !(input->filter.match_flags & ~IGB_FILTER_FLAG_SRC_MAC_ADDR)) {
2757                dev_err(&adapter->pdev->dev,
2758                        "i210 doesn't support flow classification rules specifying only source addresses.\n");
2759                return -EOPNOTSUPP;
2760        }
2761
2762        if (input->filter.match_flags & IGB_FILTER_FLAG_ETHER_TYPE) {
2763                err = igb_rxnfc_write_etype_filter(adapter, input);
2764                if (err)
2765                        return err;
2766        }
2767
2768        if (input->filter.match_flags & IGB_FILTER_FLAG_DST_MAC_ADDR) {
2769                err = igb_add_mac_steering_filter(adapter,
2770                                                  input->filter.dst_addr,
2771                                                  input->action, 0);
2772                err = min_t(int, err, 0);
2773                if (err)
2774                        return err;
2775        }
2776
2777        if (input->filter.match_flags & IGB_FILTER_FLAG_SRC_MAC_ADDR) {
2778                err = igb_add_mac_steering_filter(adapter,
2779                                                  input->filter.src_addr,
2780                                                  input->action,
2781                                                  IGB_MAC_STATE_SRC_ADDR);
2782                err = min_t(int, err, 0);
2783                if (err)
2784                        return err;
2785        }
2786
2787        if (input->filter.match_flags & IGB_FILTER_FLAG_VLAN_TCI)
2788                err = igb_rxnfc_write_vlan_prio_filter(adapter, input);
2789
2790        return err;
2791}
2792
2793static void igb_clear_etype_filter_regs(struct igb_adapter *adapter,
2794                                        u16 reg_index)
2795{
2796        struct e1000_hw *hw = &adapter->hw;
2797        u32 etqf = rd32(E1000_ETQF(reg_index));
2798
2799        etqf &= ~E1000_ETQF_QUEUE_ENABLE;
2800        etqf &= ~E1000_ETQF_QUEUE_MASK;
2801        etqf &= ~E1000_ETQF_FILTER_ENABLE;
2802
2803        wr32(E1000_ETQF(reg_index), etqf);
2804
2805        adapter->etype_bitmap[reg_index] = false;
2806}
2807
2808static void igb_clear_vlan_prio_filter(struct igb_adapter *adapter,
2809                                       u16 vlan_tci)
2810{
2811        struct e1000_hw *hw = &adapter->hw;
2812        u8 vlan_priority;
2813        u32 vlapqf;
2814
2815        vlan_priority = (vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
2816
2817        vlapqf = rd32(E1000_VLAPQF);
2818        vlapqf &= ~E1000_VLAPQF_P_VALID(vlan_priority);
2819        vlapqf &= ~E1000_VLAPQF_QUEUE_SEL(vlan_priority,
2820                                                E1000_VLAPQF_QUEUE_MASK);
2821
2822        wr32(E1000_VLAPQF, vlapqf);
2823}
2824
2825int igb_erase_filter(struct igb_adapter *adapter, struct igb_nfc_filter *input)
2826{
2827        if (input->filter.match_flags & IGB_FILTER_FLAG_ETHER_TYPE)
2828                igb_clear_etype_filter_regs(adapter,
2829                                            input->etype_reg_index);
2830
2831        if (input->filter.match_flags & IGB_FILTER_FLAG_VLAN_TCI)
2832                igb_clear_vlan_prio_filter(adapter,
2833                                           ntohs(input->filter.vlan_tci));
2834
2835        if (input->filter.match_flags & IGB_FILTER_FLAG_SRC_MAC_ADDR)
2836                igb_del_mac_steering_filter(adapter, input->filter.src_addr,
2837                                            input->action,
2838                                            IGB_MAC_STATE_SRC_ADDR);
2839
2840        if (input->filter.match_flags & IGB_FILTER_FLAG_DST_MAC_ADDR)
2841                igb_del_mac_steering_filter(adapter, input->filter.dst_addr,
2842                                            input->action, 0);
2843
2844        return 0;
2845}
2846
2847static int igb_update_ethtool_nfc_entry(struct igb_adapter *adapter,
2848                                        struct igb_nfc_filter *input,
2849                                        u16 sw_idx)
2850{
2851        struct igb_nfc_filter *rule, *parent;
2852        int err = -EINVAL;
2853
2854        parent = NULL;
2855        rule = NULL;
2856
2857        hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
2858                /* hash found, or no matching entry */
2859                if (rule->sw_idx >= sw_idx)
2860                        break;
2861                parent = rule;
2862        }
2863
2864        /* if there is an old rule occupying our place remove it */
2865        if (rule && (rule->sw_idx == sw_idx)) {
2866                if (!input)
2867                        err = igb_erase_filter(adapter, rule);
2868
2869                hlist_del(&rule->nfc_node);
2870                kfree(rule);
2871                adapter->nfc_filter_count--;
2872        }
2873
2874        /* If no input this was a delete, err should be 0 if a rule was
2875         * successfully found and removed from the list else -EINVAL
2876         */
2877        if (!input)
2878                return err;
2879
2880        /* initialize node */
2881        INIT_HLIST_NODE(&input->nfc_node);
2882
2883        /* add filter to the list */
2884        if (parent)
2885                hlist_add_behind(&input->nfc_node, &parent->nfc_node);
2886        else
2887                hlist_add_head(&input->nfc_node, &adapter->nfc_filter_list);
2888
2889        /* update counts */
2890        adapter->nfc_filter_count++;
2891
2892        return 0;
2893}
2894
2895static int igb_add_ethtool_nfc_entry(struct igb_adapter *adapter,
2896                                     struct ethtool_rxnfc *cmd)
2897{
2898        struct net_device *netdev = adapter->netdev;
2899        struct ethtool_rx_flow_spec *fsp =
2900                (struct ethtool_rx_flow_spec *)&cmd->fs;
2901        struct igb_nfc_filter *input, *rule;
2902        int err = 0;
2903
2904        if (!(netdev->hw_features & NETIF_F_NTUPLE))
2905                return -EOPNOTSUPP;
2906
2907        /* Don't allow programming if the action is a queue greater than
2908         * the number of online Rx queues.
2909         */
2910        if ((fsp->ring_cookie == RX_CLS_FLOW_DISC) ||
2911            (fsp->ring_cookie >= adapter->num_rx_queues)) {
2912                dev_err(&adapter->pdev->dev, "ethtool -N: The specified action is invalid\n");
2913                return -EINVAL;
2914        }
2915
2916        /* Don't allow indexes to exist outside of available space */
2917        if (fsp->location >= IGB_MAX_RXNFC_FILTERS) {
2918                dev_err(&adapter->pdev->dev, "Location out of range\n");
2919                return -EINVAL;
2920        }
2921
2922        if ((fsp->flow_type & ~FLOW_EXT) != ETHER_FLOW)
2923                return -EINVAL;
2924
2925        input = kzalloc(sizeof(*input), GFP_KERNEL);
2926        if (!input)
2927                return -ENOMEM;
2928
2929        if (fsp->m_u.ether_spec.h_proto == ETHER_TYPE_FULL_MASK) {
2930                input->filter.etype = fsp->h_u.ether_spec.h_proto;
2931                input->filter.match_flags = IGB_FILTER_FLAG_ETHER_TYPE;
2932        }
2933
2934        /* Only support matching addresses by the full mask */
2935        if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_source)) {
2936                input->filter.match_flags |= IGB_FILTER_FLAG_SRC_MAC_ADDR;
2937                ether_addr_copy(input->filter.src_addr,
2938                                fsp->h_u.ether_spec.h_source);
2939        }
2940
2941        /* Only support matching addresses by the full mask */
2942        if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_dest)) {
2943                input->filter.match_flags |= IGB_FILTER_FLAG_DST_MAC_ADDR;
2944                ether_addr_copy(input->filter.dst_addr,
2945                                fsp->h_u.ether_spec.h_dest);
2946        }
2947
2948        if ((fsp->flow_type & FLOW_EXT) && fsp->m_ext.vlan_tci) {
2949                if (fsp->m_ext.vlan_tci != htons(VLAN_PRIO_MASK)) {
2950                        err = -EINVAL;
2951                        goto err_out;
2952                }
2953                input->filter.vlan_tci = fsp->h_ext.vlan_tci;
2954                input->filter.match_flags |= IGB_FILTER_FLAG_VLAN_TCI;
2955        }
2956
2957        input->action = fsp->ring_cookie;
2958        input->sw_idx = fsp->location;
2959
2960        spin_lock(&adapter->nfc_lock);
2961
2962        hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
2963                if (!memcmp(&input->filter, &rule->filter,
2964                            sizeof(input->filter))) {
2965                        err = -EEXIST;
2966                        dev_err(&adapter->pdev->dev,
2967                                "ethtool: this filter is already set\n");
2968                        goto err_out_w_lock;
2969                }
2970        }
2971
2972        err = igb_add_filter(adapter, input);
2973        if (err)
2974                goto err_out_w_lock;
2975
2976        igb_update_ethtool_nfc_entry(adapter, input, input->sw_idx);
2977
2978        spin_unlock(&adapter->nfc_lock);
2979        return 0;
2980
2981err_out_w_lock:
2982        spin_unlock(&adapter->nfc_lock);
2983err_out:
2984        kfree(input);
2985        return err;
2986}
2987
2988static int igb_del_ethtool_nfc_entry(struct igb_adapter *adapter,
2989                                     struct ethtool_rxnfc *cmd)
2990{
2991        struct ethtool_rx_flow_spec *fsp =
2992                (struct ethtool_rx_flow_spec *)&cmd->fs;
2993        int err;
2994
2995        spin_lock(&adapter->nfc_lock);
2996        err = igb_update_ethtool_nfc_entry(adapter, NULL, fsp->location);
2997        spin_unlock(&adapter->nfc_lock);
2998
2999        return err;
3000}
3001
3002static int igb_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
3003{
3004        struct igb_adapter *adapter = netdev_priv(dev);
3005        int ret = -EOPNOTSUPP;
3006
3007        switch (cmd->cmd) {
3008        case ETHTOOL_SRXFH:
3009                ret = igb_set_rss_hash_opt(adapter, cmd);
3010                break;
3011        case ETHTOOL_SRXCLSRLINS:
3012                ret = igb_add_ethtool_nfc_entry(adapter, cmd);
3013                break;
3014        case ETHTOOL_SRXCLSRLDEL:
3015                ret = igb_del_ethtool_nfc_entry(adapter, cmd);
3016                break;
3017        default:
3018                break;
3019        }
3020
3021        return ret;
3022}
3023
3024static int igb_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
3025{
3026        struct igb_adapter *adapter = netdev_priv(netdev);
3027        struct e1000_hw *hw = &adapter->hw;
3028        u32 ret_val;
3029        u16 phy_data;
3030
3031        if ((hw->mac.type < e1000_i350) ||
3032            (hw->phy.media_type != e1000_media_type_copper))
3033                return -EOPNOTSUPP;
3034
3035        edata->supported = (SUPPORTED_1000baseT_Full |
3036                            SUPPORTED_100baseT_Full);
3037        if (!hw->dev_spec._82575.eee_disable)
3038                edata->advertised =
3039                        mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
3040
3041        /* The IPCNFG and EEER registers are not supported on I354. */
3042        if (hw->mac.type == e1000_i354) {
3043                igb_get_eee_status_i354(hw, (bool *)&edata->eee_active);
3044        } else {
3045                u32 eeer;
3046
3047                eeer = rd32(E1000_EEER);
3048
3049                /* EEE status on negotiated link */
3050                if (eeer & E1000_EEER_EEE_NEG)
3051                        edata->eee_active = true;
3052
3053                if (eeer & E1000_EEER_TX_LPI_EN)
3054                        edata->tx_lpi_enabled = true;
3055        }
3056
3057        /* EEE Link Partner Advertised */
3058        switch (hw->mac.type) {
3059        case e1000_i350:
3060                ret_val = igb_read_emi_reg(hw, E1000_EEE_LP_ADV_ADDR_I350,
3061                                           &phy_data);
3062                if (ret_val)
3063                        return -ENODATA;
3064
3065                edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
3066                break;
3067        case e1000_i354:
3068        case e1000_i210:
3069        case e1000_i211:
3070                ret_val = igb_read_xmdio_reg(hw, E1000_EEE_LP_ADV_ADDR_I210,
3071                                             E1000_EEE_LP_ADV_DEV_I210,
3072                                             &phy_data);
3073                if (ret_val)
3074                        return -ENODATA;
3075
3076                edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
3077
3078                break;
3079        default:
3080                break;
3081        }
3082
3083        edata->eee_enabled = !hw->dev_spec._82575.eee_disable;
3084
3085        if ((hw->mac.type == e1000_i354) &&
3086            (edata->eee_enabled))
3087                edata->tx_lpi_enabled = true;
3088
3089        /* Report correct negotiated EEE status for devices that
3090         * wrongly report EEE at half-duplex
3091         */
3092        if (adapter->link_duplex == HALF_DUPLEX) {
3093                edata->eee_enabled = false;
3094                edata->eee_active = false;
3095                edata->tx_lpi_enabled = false;
3096                edata->advertised &= ~edata->advertised;
3097        }
3098
3099        return 0;
3100}
3101
3102static int igb_set_eee(struct net_device *netdev,
3103                       struct ethtool_eee *edata)
3104{
3105        struct igb_adapter *adapter = netdev_priv(netdev);
3106        struct e1000_hw *hw = &adapter->hw;
3107        struct ethtool_eee eee_curr;
3108        bool adv1g_eee = true, adv100m_eee = true;
3109        s32 ret_val;
3110
3111        if ((hw->mac.type < e1000_i350) ||
3112            (hw->phy.media_type != e1000_media_type_copper))
3113                return -EOPNOTSUPP;
3114
3115        memset(&eee_curr, 0, sizeof(struct ethtool_eee));
3116
3117        ret_val = igb_get_eee(netdev, &eee_curr);
3118        if (ret_val)
3119                return ret_val;
3120
3121        if (eee_curr.eee_enabled) {
3122                if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
3123                        dev_err(&adapter->pdev->dev,
3124                                "Setting EEE tx-lpi is not supported\n");
3125                        return -EINVAL;
3126                }
3127
3128                /* Tx LPI timer is not implemented currently */
3129                if (edata->tx_lpi_timer) {
3130                        dev_err(&adapter->pdev->dev,
3131                                "Setting EEE Tx LPI timer is not supported\n");
3132                        return -EINVAL;
3133                }
3134
3135                if (!edata->advertised || (edata->advertised &
3136                    ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL))) {
3137                        dev_err(&adapter->pdev->dev,
3138                                "EEE Advertisement supports only 100Tx and/or 100T full duplex\n");
3139                        return -EINVAL;
3140                }
3141                adv100m_eee = !!(edata->advertised & ADVERTISE_100_FULL);
3142                adv1g_eee = !!(edata->advertised & ADVERTISE_1000_FULL);
3143
3144        } else if (!edata->eee_enabled) {
3145                dev_err(&adapter->pdev->dev,
3146                        "Setting EEE options are not supported with EEE disabled\n");
3147                return -EINVAL;
3148        }
3149
3150        adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
3151        if (hw->dev_spec._82575.eee_disable != !edata->eee_enabled) {
3152                hw->dev_spec._82575.eee_disable = !edata->eee_enabled;
3153                adapter->flags |= IGB_FLAG_EEE;
3154
3155                /* reset link */
3156                if (netif_running(netdev))
3157                        igb_reinit_locked(adapter);
3158                else
3159                        igb_reset(adapter);
3160        }
3161
3162        if (hw->mac.type == e1000_i354)
3163                ret_val = igb_set_eee_i354(hw, adv1g_eee, adv100m_eee);
3164        else
3165                ret_val = igb_set_eee_i350(hw, adv1g_eee, adv100m_eee);
3166
3167        if (ret_val) {
3168                dev_err(&adapter->pdev->dev,
3169                        "Problem setting EEE advertisement options\n");
3170                return -EINVAL;
3171        }
3172
3173        return 0;
3174}
3175
3176static int igb_get_module_info(struct net_device *netdev,
3177                               struct ethtool_modinfo *modinfo)
3178{
3179        struct igb_adapter *adapter = netdev_priv(netdev);
3180        struct e1000_hw *hw = &adapter->hw;
3181        u32 status = 0;
3182        u16 sff8472_rev, addr_mode;
3183        bool page_swap = false;
3184
3185        if ((hw->phy.media_type == e1000_media_type_copper) ||
3186            (hw->phy.media_type == e1000_media_type_unknown))
3187                return -EOPNOTSUPP;
3188
3189        /* Check whether we support SFF-8472 or not */
3190        status = igb_read_phy_reg_i2c(hw, IGB_SFF_8472_COMP, &sff8472_rev);
3191        if (status)
3192                return -EIO;
3193
3194        /* addressing mode is not supported */
3195        status = igb_read_phy_reg_i2c(hw, IGB_SFF_8472_SWAP, &addr_mode);
3196        if (status)
3197                return -EIO;
3198
3199        /* addressing mode is not supported */
3200        if ((addr_mode & 0xFF) & IGB_SFF_ADDRESSING_MODE) {
3201                hw_dbg("Address change required to access page 0xA2, but not supported. Please report the module type to the driver maintainers.\n");
3202                page_swap = true;
3203        }
3204
3205        if ((sff8472_rev & 0xFF) == IGB_SFF_8472_UNSUP || page_swap) {
3206                /* We have an SFP, but it does not support SFF-8472 */
3207                modinfo->type = ETH_MODULE_SFF_8079;
3208                modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3209        } else {
3210                /* We have an SFP which supports a revision of SFF-8472 */
3211                modinfo->type = ETH_MODULE_SFF_8472;
3212                modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3213        }
3214
3215        return 0;
3216}
3217
3218static int igb_get_module_eeprom(struct net_device *netdev,
3219                                 struct ethtool_eeprom *ee, u8 *data)
3220{
3221        struct igb_adapter *adapter = netdev_priv(netdev);
3222        struct e1000_hw *hw = &adapter->hw;
3223        u32 status = 0;
3224        u16 *dataword;
3225        u16 first_word, last_word;
3226        int i = 0;
3227
3228        if (ee->len == 0)
3229                return -EINVAL;
3230
3231        first_word = ee->offset >> 1;
3232        last_word = (ee->offset + ee->len - 1) >> 1;
3233
3234        dataword = kmalloc_array(last_word - first_word + 1, sizeof(u16),
3235                                 GFP_KERNEL);
3236        if (!dataword)
3237                return -ENOMEM;
3238
3239        /* Read EEPROM block, SFF-8079/SFF-8472, word at a time */
3240        for (i = 0; i < last_word - first_word + 1; i++) {
3241                status = igb_read_phy_reg_i2c(hw, (first_word + i) * 2,
3242                                              &dataword[i]);
3243                if (status) {
3244                        /* Error occurred while reading module */
3245                        kfree(dataword);
3246                        return -EIO;
3247                }
3248
3249                be16_to_cpus(&dataword[i]);
3250        }
3251
3252        memcpy(data, (u8 *)dataword + (ee->offset & 1), ee->len);
3253        kfree(dataword);
3254
3255        return 0;
3256}
3257
3258static int igb_ethtool_begin(struct net_device *netdev)
3259{
3260        struct igb_adapter *adapter = netdev_priv(netdev);
3261        pm_runtime_get_sync(&adapter->pdev->dev);
3262        return 0;
3263}
3264
3265static void igb_ethtool_complete(struct net_device *netdev)
3266{
3267        struct igb_adapter *adapter = netdev_priv(netdev);
3268        pm_runtime_put(&adapter->pdev->dev);
3269}
3270
3271static u32 igb_get_rxfh_indir_size(struct net_device *netdev)
3272{
3273        return IGB_RETA_SIZE;
3274}
3275
3276static int igb_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
3277                        u8 *hfunc)
3278{
3279        struct igb_adapter *adapter = netdev_priv(netdev);
3280        int i;
3281
3282        if (hfunc)
3283                *hfunc = ETH_RSS_HASH_TOP;
3284        if (!indir)
3285                return 0;
3286        for (i = 0; i < IGB_RETA_SIZE; i++)
3287                indir[i] = adapter->rss_indir_tbl[i];
3288
3289        return 0;
3290}
3291
3292void igb_write_rss_indir_tbl(struct igb_adapter *adapter)
3293{
3294        struct e1000_hw *hw = &adapter->hw;
3295        u32 reg = E1000_RETA(0);
3296        u32 shift = 0;
3297        int i = 0;
3298
3299        switch (hw->mac.type) {
3300        case e1000_82575:
3301                shift = 6;
3302                break;
3303        case e1000_82576:
3304                /* 82576 supports 2 RSS queues for SR-IOV */
3305                if (adapter->vfs_allocated_count)
3306                        shift = 3;
3307                break;
3308        default:
3309                break;
3310        }
3311
3312        while (i < IGB_RETA_SIZE) {
3313                u32 val = 0;
3314                int j;
3315
3316                for (j = 3; j >= 0; j--) {
3317                        val <<= 8;
3318                        val |= adapter->rss_indir_tbl[i + j];
3319                }
3320
3321                wr32(reg, val << shift);
3322                reg += 4;
3323                i += 4;
3324        }
3325}
3326
3327static int igb_set_rxfh(struct net_device *netdev, const u32 *indir,
3328                        const u8 *key, const u8 hfunc)
3329{
3330        struct igb_adapter *adapter = netdev_priv(netdev);
3331        struct e1000_hw *hw = &adapter->hw;
3332        int i;
3333        u32 num_queues;
3334
3335        /* We do not allow change in unsupported parameters */
3336        if (key ||
3337            (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
3338                return -EOPNOTSUPP;
3339        if (!indir)
3340                return 0;
3341
3342        num_queues = adapter->rss_queues;
3343
3344        switch (hw->mac.type) {
3345        case e1000_82576:
3346                /* 82576 supports 2 RSS queues for SR-IOV */
3347                if (adapter->vfs_allocated_count)
3348                        num_queues = 2;
3349                break;
3350        default:
3351                break;
3352        }
3353
3354        /* Verify user input. */
3355        for (i = 0; i < IGB_RETA_SIZE; i++)
3356                if (indir[i] >= num_queues)
3357                        return -EINVAL;
3358
3359
3360        for (i = 0; i < IGB_RETA_SIZE; i++)
3361                adapter->rss_indir_tbl[i] = indir[i];
3362
3363        igb_write_rss_indir_tbl(adapter);
3364
3365        return 0;
3366}
3367
3368static unsigned int igb_max_channels(struct igb_adapter *adapter)
3369{
3370        return igb_get_max_rss_queues(adapter);
3371}
3372
3373static void igb_get_channels(struct net_device *netdev,
3374                             struct ethtool_channels *ch)
3375{
3376        struct igb_adapter *adapter = netdev_priv(netdev);
3377
3378        /* Report maximum channels */
3379        ch->max_combined = igb_max_channels(adapter);
3380
3381        /* Report info for other vector */
3382        if (adapter->flags & IGB_FLAG_HAS_MSIX) {
3383                ch->max_other = NON_Q_VECTORS;
3384                ch->other_count = NON_Q_VECTORS;
3385        }
3386
3387        ch->combined_count = adapter->rss_queues;
3388}
3389
3390static int igb_set_channels(struct net_device *netdev,
3391                            struct ethtool_channels *ch)
3392{
3393        struct igb_adapter *adapter = netdev_priv(netdev);
3394        unsigned int count = ch->combined_count;
3395        unsigned int max_combined = 0;
3396
3397        /* Verify they are not requesting separate vectors */
3398        if (!count || ch->rx_count || ch->tx_count)
3399                return -EINVAL;
3400
3401        /* Verify other_count is valid and has not been changed */
3402        if (ch->other_count != NON_Q_VECTORS)
3403                return -EINVAL;
3404
3405        /* Verify the number of channels doesn't exceed hw limits */
3406        max_combined = igb_max_channels(adapter);
3407        if (count > max_combined)
3408                return -EINVAL;
3409
3410        if (count != adapter->rss_queues) {
3411                adapter->rss_queues = count;
3412                igb_set_flag_queue_pairs(adapter, max_combined);
3413
3414                /* Hardware has to reinitialize queues and interrupts to
3415                 * match the new configuration.
3416                 */
3417                return igb_reinit_queues(adapter);
3418        }
3419
3420        return 0;
3421}
3422
3423static u32 igb_get_priv_flags(struct net_device *netdev)
3424{
3425        struct igb_adapter *adapter = netdev_priv(netdev);
3426        u32 priv_flags = 0;
3427
3428        if (adapter->flags & IGB_FLAG_RX_LEGACY)
3429                priv_flags |= IGB_PRIV_FLAGS_LEGACY_RX;
3430
3431        return priv_flags;
3432}
3433
3434static int igb_set_priv_flags(struct net_device *netdev, u32 priv_flags)
3435{
3436        struct igb_adapter *adapter = netdev_priv(netdev);
3437        unsigned int flags = adapter->flags;
3438
3439        flags &= ~IGB_FLAG_RX_LEGACY;
3440        if (priv_flags & IGB_PRIV_FLAGS_LEGACY_RX)
3441                flags |= IGB_FLAG_RX_LEGACY;
3442
3443        if (flags != adapter->flags) {
3444                adapter->flags = flags;
3445
3446                /* reset interface to repopulate queues */
3447                if (netif_running(netdev))
3448                        igb_reinit_locked(adapter);
3449        }
3450
3451        return 0;
3452}
3453
3454static const struct ethtool_ops igb_ethtool_ops = {
3455        .supported_coalesce_params = ETHTOOL_COALESCE_USECS,
3456        .get_drvinfo            = igb_get_drvinfo,
3457        .get_regs_len           = igb_get_regs_len,
3458        .get_regs               = igb_get_regs,
3459        .get_wol                = igb_get_wol,
3460        .set_wol                = igb_set_wol,
3461        .get_msglevel           = igb_get_msglevel,
3462        .set_msglevel           = igb_set_msglevel,
3463        .nway_reset             = igb_nway_reset,
3464        .get_link               = igb_get_link,
3465        .get_eeprom_len         = igb_get_eeprom_len,
3466        .get_eeprom             = igb_get_eeprom,
3467        .set_eeprom             = igb_set_eeprom,
3468        .get_ringparam          = igb_get_ringparam,
3469        .set_ringparam          = igb_set_ringparam,
3470        .get_pauseparam         = igb_get_pauseparam,
3471        .set_pauseparam         = igb_set_pauseparam,
3472        .self_test              = igb_diag_test,
3473        .get_strings            = igb_get_strings,
3474        .set_phys_id            = igb_set_phys_id,
3475        .get_sset_count         = igb_get_sset_count,
3476        .get_ethtool_stats      = igb_get_ethtool_stats,
3477        .get_coalesce           = igb_get_coalesce,
3478        .set_coalesce           = igb_set_coalesce,
3479        .get_ts_info            = igb_get_ts_info,
3480        .get_rxnfc              = igb_get_rxnfc,
3481        .set_rxnfc              = igb_set_rxnfc,
3482        .get_eee                = igb_get_eee,
3483        .set_eee                = igb_set_eee,
3484        .get_module_info        = igb_get_module_info,
3485        .get_module_eeprom      = igb_get_module_eeprom,
3486        .get_rxfh_indir_size    = igb_get_rxfh_indir_size,
3487        .get_rxfh               = igb_get_rxfh,
3488        .set_rxfh               = igb_set_rxfh,
3489        .get_channels           = igb_get_channels,
3490        .set_channels           = igb_set_channels,
3491        .get_priv_flags         = igb_get_priv_flags,
3492        .set_priv_flags         = igb_set_priv_flags,
3493        .begin                  = igb_ethtool_begin,
3494        .complete               = igb_ethtool_complete,
3495        .get_link_ksettings     = igb_get_link_ksettings,
3496        .set_link_ksettings     = igb_set_link_ksettings,
3497};
3498
3499void igb_set_ethtool_ops(struct net_device *netdev)
3500{
3501        netdev->ethtool_ops = &igb_ethtool_ops;
3502}
3503