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 = FIELD_SIZEOF(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 = FIELD_SIZEOF(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 = rd32(E1000_STATUS);
 147        if (hw->phy.media_type == e1000_media_type_copper) {
 148
 149                supported = (SUPPORTED_10baseT_Half |
 150                             SUPPORTED_10baseT_Full |
 151                             SUPPORTED_100baseT_Half |
 152                             SUPPORTED_100baseT_Full |
 153                             SUPPORTED_1000baseT_Full|
 154                             SUPPORTED_Autoneg |
 155                             SUPPORTED_TP |
 156                             SUPPORTED_Pause);
 157                advertising = ADVERTISED_TP;
 158
 159                if (hw->mac.autoneg == 1) {
 160                        advertising |= ADVERTISED_Autoneg;
 161                        /* the e1000 autoneg seems to match ethtool nicely */
 162                        advertising |= hw->phy.autoneg_advertised;
 163                }
 164
 165                cmd->base.port = PORT_TP;
 166                cmd->base.phy_address = hw->phy.addr;
 167        } else {
 168                supported = (SUPPORTED_FIBRE |
 169                             SUPPORTED_1000baseKX_Full |
 170                             SUPPORTED_Autoneg |
 171                             SUPPORTED_Pause);
 172                advertising = (ADVERTISED_FIBRE |
 173                               ADVERTISED_1000baseKX_Full);
 174                if (hw->mac.type == e1000_i354) {
 175                        if ((hw->device_id ==
 176                             E1000_DEV_ID_I354_BACKPLANE_2_5GBPS) &&
 177                            !(status & E1000_STATUS_2P5_SKU_OVER)) {
 178                                supported |= SUPPORTED_2500baseX_Full;
 179                                supported &= ~SUPPORTED_1000baseKX_Full;
 180                                advertising |= ADVERTISED_2500baseX_Full;
 181                                advertising &= ~ADVERTISED_1000baseKX_Full;
 182                        }
 183                }
 184                if (eth_flags->e100_base_fx) {
 185                        supported |= SUPPORTED_100baseT_Full;
 186                        advertising |= ADVERTISED_100baseT_Full;
 187                }
 188                if (hw->mac.autoneg == 1)
 189                        advertising |= ADVERTISED_Autoneg;
 190
 191                cmd->base.port = PORT_FIBRE;
 192        }
 193        if (hw->mac.autoneg != 1)
 194                advertising &= ~(ADVERTISED_Pause |
 195                                 ADVERTISED_Asym_Pause);
 196
 197        switch (hw->fc.requested_mode) {
 198        case e1000_fc_full:
 199                advertising |= ADVERTISED_Pause;
 200                break;
 201        case e1000_fc_rx_pause:
 202                advertising |= (ADVERTISED_Pause |
 203                                ADVERTISED_Asym_Pause);
 204                break;
 205        case e1000_fc_tx_pause:
 206                advertising |=  ADVERTISED_Asym_Pause;
 207                break;
 208        default:
 209                advertising &= ~(ADVERTISED_Pause |
 210                                 ADVERTISED_Asym_Pause);
 211        }
 212        if (status & E1000_STATUS_LU) {
 213                if ((status & E1000_STATUS_2P5_SKU) &&
 214                    !(status & E1000_STATUS_2P5_SKU_OVER)) {
 215                        speed = SPEED_2500;
 216                } else if (status & E1000_STATUS_SPEED_1000) {
 217                        speed = SPEED_1000;
 218                } else if (status & E1000_STATUS_SPEED_100) {
 219                        speed = SPEED_100;
 220                } else {
 221                        speed = SPEED_10;
 222                }
 223                if ((status & E1000_STATUS_FD) ||
 224                    hw->phy.media_type != e1000_media_type_copper)
 225                        cmd->base.duplex = DUPLEX_FULL;
 226                else
 227                        cmd->base.duplex = DUPLEX_HALF;
 228        } else {
 229                speed = SPEED_UNKNOWN;
 230                cmd->base.duplex = DUPLEX_UNKNOWN;
 231        }
 232        cmd->base.speed = speed;
 233        if ((hw->phy.media_type == e1000_media_type_fiber) ||
 234            hw->mac.autoneg)
 235                cmd->base.autoneg = AUTONEG_ENABLE;
 236        else
 237                cmd->base.autoneg = AUTONEG_DISABLE;
 238
 239        /* MDI-X => 2; MDI =>1; Invalid =>0 */
 240        if (hw->phy.media_type == e1000_media_type_copper)
 241                cmd->base.eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
 242                                                      ETH_TP_MDI;
 243        else
 244                cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
 245
 246        if (hw->phy.mdix == AUTO_ALL_MODES)
 247                cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 248        else
 249                cmd->base.eth_tp_mdix_ctrl = hw->phy.mdix;
 250
 251        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 252                                                supported);
 253        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 254                                                advertising);
 255
 256        return 0;
 257}
 258
 259static int igb_set_link_ksettings(struct net_device *netdev,
 260                                  const struct ethtool_link_ksettings *cmd)
 261{
 262        struct igb_adapter *adapter = netdev_priv(netdev);
 263        struct e1000_hw *hw = &adapter->hw;
 264        u32 advertising;
 265
 266        /* When SoL/IDER sessions are active, autoneg/speed/duplex
 267         * cannot be changed
 268         */
 269        if (igb_check_reset_block(hw)) {
 270                dev_err(&adapter->pdev->dev,
 271                        "Cannot change link characteristics when SoL/IDER is active.\n");
 272                return -EINVAL;
 273        }
 274
 275        /* MDI setting is only allowed when autoneg enabled because
 276         * some hardware doesn't allow MDI setting when speed or
 277         * duplex is forced.
 278         */
 279        if (cmd->base.eth_tp_mdix_ctrl) {
 280                if (hw->phy.media_type != e1000_media_type_copper)
 281                        return -EOPNOTSUPP;
 282
 283                if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
 284                    (cmd->base.autoneg != AUTONEG_ENABLE)) {
 285                        dev_err(&adapter->pdev->dev, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
 286                        return -EINVAL;
 287                }
 288        }
 289
 290        while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
 291                usleep_range(1000, 2000);
 292
 293        ethtool_convert_link_mode_to_legacy_u32(&advertising,
 294                                                cmd->link_modes.advertising);
 295
 296        if (cmd->base.autoneg == AUTONEG_ENABLE) {
 297                hw->mac.autoneg = 1;
 298                if (hw->phy.media_type == e1000_media_type_fiber) {
 299                        hw->phy.autoneg_advertised = advertising |
 300                                                     ADVERTISED_FIBRE |
 301                                                     ADVERTISED_Autoneg;
 302                        switch (adapter->link_speed) {
 303                        case SPEED_2500:
 304                                hw->phy.autoneg_advertised =
 305                                        ADVERTISED_2500baseX_Full;
 306                                break;
 307                        case SPEED_1000:
 308                                hw->phy.autoneg_advertised =
 309                                        ADVERTISED_1000baseT_Full;
 310                                break;
 311                        case SPEED_100:
 312                                hw->phy.autoneg_advertised =
 313                                        ADVERTISED_100baseT_Full;
 314                                break;
 315                        default:
 316                                break;
 317                        }
 318                } else {
 319                        hw->phy.autoneg_advertised = advertising |
 320                                                     ADVERTISED_TP |
 321                                                     ADVERTISED_Autoneg;
 322                }
 323                advertising = hw->phy.autoneg_advertised;
 324                if (adapter->fc_autoneg)
 325                        hw->fc.requested_mode = e1000_fc_default;
 326        } else {
 327                u32 speed = cmd->base.speed;
 328                /* calling this overrides forced MDI setting */
 329                if (igb_set_spd_dplx(adapter, speed, cmd->base.duplex)) {
 330                        clear_bit(__IGB_RESETTING, &adapter->state);
 331                        return -EINVAL;
 332                }
 333        }
 334
 335        /* MDI-X => 2; MDI => 1; Auto => 3 */
 336        if (cmd->base.eth_tp_mdix_ctrl) {
 337                /* fix up the value for auto (3 => 0) as zero is mapped
 338                 * internally to auto
 339                 */
 340                if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
 341                        hw->phy.mdix = AUTO_ALL_MODES;
 342                else
 343                        hw->phy.mdix = cmd->base.eth_tp_mdix_ctrl;
 344        }
 345
 346        /* reset the link */
 347        if (netif_running(adapter->netdev)) {
 348                igb_down(adapter);
 349                igb_up(adapter);
 350        } else
 351                igb_reset(adapter);
 352
 353        clear_bit(__IGB_RESETTING, &adapter->state);
 354        return 0;
 355}
 356
 357static u32 igb_get_link(struct net_device *netdev)
 358{
 359        struct igb_adapter *adapter = netdev_priv(netdev);
 360        struct e1000_mac_info *mac = &adapter->hw.mac;
 361
 362        /* If the link is not reported up to netdev, interrupts are disabled,
 363         * and so the physical link state may have changed since we last
 364         * looked. Set get_link_status to make sure that the true link
 365         * state is interrogated, rather than pulling a cached and possibly
 366         * stale link state from the driver.
 367         */
 368        if (!netif_carrier_ok(netdev))
 369                mac->get_link_status = 1;
 370
 371        return igb_has_link(adapter);
 372}
 373
 374static void igb_get_pauseparam(struct net_device *netdev,
 375                               struct ethtool_pauseparam *pause)
 376{
 377        struct igb_adapter *adapter = netdev_priv(netdev);
 378        struct e1000_hw *hw = &adapter->hw;
 379
 380        pause->autoneg =
 381                (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 382
 383        if (hw->fc.current_mode == e1000_fc_rx_pause)
 384                pause->rx_pause = 1;
 385        else if (hw->fc.current_mode == e1000_fc_tx_pause)
 386                pause->tx_pause = 1;
 387        else if (hw->fc.current_mode == e1000_fc_full) {
 388                pause->rx_pause = 1;
 389                pause->tx_pause = 1;
 390        }
 391}
 392
 393static int igb_set_pauseparam(struct net_device *netdev,
 394                              struct ethtool_pauseparam *pause)
 395{
 396        struct igb_adapter *adapter = netdev_priv(netdev);
 397        struct e1000_hw *hw = &adapter->hw;
 398        int retval = 0;
 399
 400        /* 100basefx does not support setting link flow control */
 401        if (hw->dev_spec._82575.eth_flags.e100_base_fx)
 402                return -EINVAL;
 403
 404        adapter->fc_autoneg = pause->autoneg;
 405
 406        while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
 407                usleep_range(1000, 2000);
 408
 409        if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 410                hw->fc.requested_mode = e1000_fc_default;
 411                if (netif_running(adapter->netdev)) {
 412                        igb_down(adapter);
 413                        igb_up(adapter);
 414                } else {
 415                        igb_reset(adapter);
 416                }
 417        } else {
 418                if (pause->rx_pause && pause->tx_pause)
 419                        hw->fc.requested_mode = e1000_fc_full;
 420                else if (pause->rx_pause && !pause->tx_pause)
 421                        hw->fc.requested_mode = e1000_fc_rx_pause;
 422                else if (!pause->rx_pause && pause->tx_pause)
 423                        hw->fc.requested_mode = e1000_fc_tx_pause;
 424                else if (!pause->rx_pause && !pause->tx_pause)
 425                        hw->fc.requested_mode = e1000_fc_none;
 426
 427                hw->fc.current_mode = hw->fc.requested_mode;
 428
 429                retval = ((hw->phy.media_type == e1000_media_type_copper) ?
 430                          igb_force_mac_fc(hw) : igb_setup_link(hw));
 431        }
 432
 433        clear_bit(__IGB_RESETTING, &adapter->state);
 434        return retval;
 435}
 436
 437static u32 igb_get_msglevel(struct net_device *netdev)
 438{
 439        struct igb_adapter *adapter = netdev_priv(netdev);
 440        return adapter->msg_enable;
 441}
 442
 443static void igb_set_msglevel(struct net_device *netdev, u32 data)
 444{
 445        struct igb_adapter *adapter = netdev_priv(netdev);
 446        adapter->msg_enable = data;
 447}
 448
 449static int igb_get_regs_len(struct net_device *netdev)
 450{
 451#define IGB_REGS_LEN 740
 452        return IGB_REGS_LEN * sizeof(u32);
 453}
 454
 455static void igb_get_regs(struct net_device *netdev,
 456                         struct ethtool_regs *regs, void *p)
 457{
 458        struct igb_adapter *adapter = netdev_priv(netdev);
 459        struct e1000_hw *hw = &adapter->hw;
 460        u32 *regs_buff = p;
 461        u8 i;
 462
 463        memset(p, 0, IGB_REGS_LEN * sizeof(u32));
 464
 465        regs->version = (1u << 24) | (hw->revision_id << 16) | hw->device_id;
 466
 467        /* General Registers */
 468        regs_buff[0] = rd32(E1000_CTRL);
 469        regs_buff[1] = rd32(E1000_STATUS);
 470        regs_buff[2] = rd32(E1000_CTRL_EXT);
 471        regs_buff[3] = rd32(E1000_MDIC);
 472        regs_buff[4] = rd32(E1000_SCTL);
 473        regs_buff[5] = rd32(E1000_CONNSW);
 474        regs_buff[6] = rd32(E1000_VET);
 475        regs_buff[7] = rd32(E1000_LEDCTL);
 476        regs_buff[8] = rd32(E1000_PBA);
 477        regs_buff[9] = rd32(E1000_PBS);
 478        regs_buff[10] = rd32(E1000_FRTIMER);
 479        regs_buff[11] = rd32(E1000_TCPTIMER);
 480
 481        /* NVM Register */
 482        regs_buff[12] = rd32(E1000_EECD);
 483
 484        /* Interrupt */
 485        /* Reading EICS for EICR because they read the
 486         * same but EICS does not clear on read
 487         */
 488        regs_buff[13] = rd32(E1000_EICS);
 489        regs_buff[14] = rd32(E1000_EICS);
 490        regs_buff[15] = rd32(E1000_EIMS);
 491        regs_buff[16] = rd32(E1000_EIMC);
 492        regs_buff[17] = rd32(E1000_EIAC);
 493        regs_buff[18] = rd32(E1000_EIAM);
 494        /* Reading ICS for ICR because they read the
 495         * same but ICS does not clear on read
 496         */
 497        regs_buff[19] = rd32(E1000_ICS);
 498        regs_buff[20] = rd32(E1000_ICS);
 499        regs_buff[21] = rd32(E1000_IMS);
 500        regs_buff[22] = rd32(E1000_IMC);
 501        regs_buff[23] = rd32(E1000_IAC);
 502        regs_buff[24] = rd32(E1000_IAM);
 503        regs_buff[25] = rd32(E1000_IMIRVP);
 504
 505        /* Flow Control */
 506        regs_buff[26] = rd32(E1000_FCAL);
 507        regs_buff[27] = rd32(E1000_FCAH);
 508        regs_buff[28] = rd32(E1000_FCTTV);
 509        regs_buff[29] = rd32(E1000_FCRTL);
 510        regs_buff[30] = rd32(E1000_FCRTH);
 511        regs_buff[31] = rd32(E1000_FCRTV);
 512
 513        /* Receive */
 514        regs_buff[32] = rd32(E1000_RCTL);
 515        regs_buff[33] = rd32(E1000_RXCSUM);
 516        regs_buff[34] = rd32(E1000_RLPML);
 517        regs_buff[35] = rd32(E1000_RFCTL);
 518        regs_buff[36] = rd32(E1000_MRQC);
 519        regs_buff[37] = rd32(E1000_VT_CTL);
 520
 521        /* Transmit */
 522        regs_buff[38] = rd32(E1000_TCTL);
 523        regs_buff[39] = rd32(E1000_TCTL_EXT);
 524        regs_buff[40] = rd32(E1000_TIPG);
 525        regs_buff[41] = rd32(E1000_DTXCTL);
 526
 527        /* Wake Up */
 528        regs_buff[42] = rd32(E1000_WUC);
 529        regs_buff[43] = rd32(E1000_WUFC);
 530        regs_buff[44] = rd32(E1000_WUS);
 531        regs_buff[45] = rd32(E1000_IPAV);
 532        regs_buff[46] = rd32(E1000_WUPL);
 533
 534        /* MAC */
 535        regs_buff[47] = rd32(E1000_PCS_CFG0);
 536        regs_buff[48] = rd32(E1000_PCS_LCTL);
 537        regs_buff[49] = rd32(E1000_PCS_LSTAT);
 538        regs_buff[50] = rd32(E1000_PCS_ANADV);
 539        regs_buff[51] = rd32(E1000_PCS_LPAB);
 540        regs_buff[52] = rd32(E1000_PCS_NPTX);
 541        regs_buff[53] = rd32(E1000_PCS_LPABNP);
 542
 543        /* Statistics */
 544        regs_buff[54] = adapter->stats.crcerrs;
 545        regs_buff[55] = adapter->stats.algnerrc;
 546        regs_buff[56] = adapter->stats.symerrs;
 547        regs_buff[57] = adapter->stats.rxerrc;
 548        regs_buff[58] = adapter->stats.mpc;
 549        regs_buff[59] = adapter->stats.scc;
 550        regs_buff[60] = adapter->stats.ecol;
 551        regs_buff[61] = adapter->stats.mcc;
 552        regs_buff[62] = adapter->stats.latecol;
 553        regs_buff[63] = adapter->stats.colc;
 554        regs_buff[64] = adapter->stats.dc;
 555        regs_buff[65] = adapter->stats.tncrs;
 556        regs_buff[66] = adapter->stats.sec;
 557        regs_buff[67] = adapter->stats.htdpmc;
 558        regs_buff[68] = adapter->stats.rlec;
 559        regs_buff[69] = adapter->stats.xonrxc;
 560        regs_buff[70] = adapter->stats.xontxc;
 561        regs_buff[71] = adapter->stats.xoffrxc;
 562        regs_buff[72] = adapter->stats.xofftxc;
 563        regs_buff[73] = adapter->stats.fcruc;
 564        regs_buff[74] = adapter->stats.prc64;
 565        regs_buff[75] = adapter->stats.prc127;
 566        regs_buff[76] = adapter->stats.prc255;
 567        regs_buff[77] = adapter->stats.prc511;
 568        regs_buff[78] = adapter->stats.prc1023;
 569        regs_buff[79] = adapter->stats.prc1522;
 570        regs_buff[80] = adapter->stats.gprc;
 571        regs_buff[81] = adapter->stats.bprc;
 572        regs_buff[82] = adapter->stats.mprc;
 573        regs_buff[83] = adapter->stats.gptc;
 574        regs_buff[84] = adapter->stats.gorc;
 575        regs_buff[86] = adapter->stats.gotc;
 576        regs_buff[88] = adapter->stats.rnbc;
 577        regs_buff[89] = adapter->stats.ruc;
 578        regs_buff[90] = adapter->stats.rfc;
 579        regs_buff[91] = adapter->stats.roc;
 580        regs_buff[92] = adapter->stats.rjc;
 581        regs_buff[93] = adapter->stats.mgprc;
 582        regs_buff[94] = adapter->stats.mgpdc;
 583        regs_buff[95] = adapter->stats.mgptc;
 584        regs_buff[96] = adapter->stats.tor;
 585        regs_buff[98] = adapter->stats.tot;
 586        regs_buff[100] = adapter->stats.tpr;
 587        regs_buff[101] = adapter->stats.tpt;
 588        regs_buff[102] = adapter->stats.ptc64;
 589        regs_buff[103] = adapter->stats.ptc127;
 590        regs_buff[104] = adapter->stats.ptc255;
 591        regs_buff[105] = adapter->stats.ptc511;
 592        regs_buff[106] = adapter->stats.ptc1023;
 593        regs_buff[107] = adapter->stats.ptc1522;
 594        regs_buff[108] = adapter->stats.mptc;
 595        regs_buff[109] = adapter->stats.bptc;
 596        regs_buff[110] = adapter->stats.tsctc;
 597        regs_buff[111] = adapter->stats.iac;
 598        regs_buff[112] = adapter->stats.rpthc;
 599        regs_buff[113] = adapter->stats.hgptc;
 600        regs_buff[114] = adapter->stats.hgorc;
 601        regs_buff[116] = adapter->stats.hgotc;
 602        regs_buff[118] = adapter->stats.lenerrs;
 603        regs_buff[119] = adapter->stats.scvpc;
 604        regs_buff[120] = adapter->stats.hrmpc;
 605
 606        for (i = 0; i < 4; i++)
 607                regs_buff[121 + i] = rd32(E1000_SRRCTL(i));
 608        for (i = 0; i < 4; i++)
 609                regs_buff[125 + i] = rd32(E1000_PSRTYPE(i));
 610        for (i = 0; i < 4; i++)
 611                regs_buff[129 + i] = rd32(E1000_RDBAL(i));
 612        for (i = 0; i < 4; i++)
 613                regs_buff[133 + i] = rd32(E1000_RDBAH(i));
 614        for (i = 0; i < 4; i++)
 615                regs_buff[137 + i] = rd32(E1000_RDLEN(i));
 616        for (i = 0; i < 4; i++)
 617                regs_buff[141 + i] = rd32(E1000_RDH(i));
 618        for (i = 0; i < 4; i++)
 619                regs_buff[145 + i] = rd32(E1000_RDT(i));
 620        for (i = 0; i < 4; i++)
 621                regs_buff[149 + i] = rd32(E1000_RXDCTL(i));
 622
 623        for (i = 0; i < 10; i++)
 624                regs_buff[153 + i] = rd32(E1000_EITR(i));
 625        for (i = 0; i < 8; i++)
 626                regs_buff[163 + i] = rd32(E1000_IMIR(i));
 627        for (i = 0; i < 8; i++)
 628                regs_buff[171 + i] = rd32(E1000_IMIREXT(i));
 629        for (i = 0; i < 16; i++)
 630                regs_buff[179 + i] = rd32(E1000_RAL(i));
 631        for (i = 0; i < 16; i++)
 632                regs_buff[195 + i] = rd32(E1000_RAH(i));
 633
 634        for (i = 0; i < 4; i++)
 635                regs_buff[211 + i] = rd32(E1000_TDBAL(i));
 636        for (i = 0; i < 4; i++)
 637                regs_buff[215 + i] = rd32(E1000_TDBAH(i));
 638        for (i = 0; i < 4; i++)
 639                regs_buff[219 + i] = rd32(E1000_TDLEN(i));
 640        for (i = 0; i < 4; i++)
 641                regs_buff[223 + i] = rd32(E1000_TDH(i));
 642        for (i = 0; i < 4; i++)
 643                regs_buff[227 + i] = rd32(E1000_TDT(i));
 644        for (i = 0; i < 4; i++)
 645                regs_buff[231 + i] = rd32(E1000_TXDCTL(i));
 646        for (i = 0; i < 4; i++)
 647                regs_buff[235 + i] = rd32(E1000_TDWBAL(i));
 648        for (i = 0; i < 4; i++)
 649                regs_buff[239 + i] = rd32(E1000_TDWBAH(i));
 650        for (i = 0; i < 4; i++)
 651                regs_buff[243 + i] = rd32(E1000_DCA_TXCTRL(i));
 652
 653        for (i = 0; i < 4; i++)
 654                regs_buff[247 + i] = rd32(E1000_IP4AT_REG(i));
 655        for (i = 0; i < 4; i++)
 656                regs_buff[251 + i] = rd32(E1000_IP6AT_REG(i));
 657        for (i = 0; i < 32; i++)
 658                regs_buff[255 + i] = rd32(E1000_WUPM_REG(i));
 659        for (i = 0; i < 128; i++)
 660                regs_buff[287 + i] = rd32(E1000_FFMT_REG(i));
 661        for (i = 0; i < 128; i++)
 662                regs_buff[415 + i] = rd32(E1000_FFVT_REG(i));
 663        for (i = 0; i < 4; i++)
 664                regs_buff[543 + i] = rd32(E1000_FFLT_REG(i));
 665
 666        regs_buff[547] = rd32(E1000_TDFH);
 667        regs_buff[548] = rd32(E1000_TDFT);
 668        regs_buff[549] = rd32(E1000_TDFHS);
 669        regs_buff[550] = rd32(E1000_TDFPC);
 670
 671        if (hw->mac.type > e1000_82580) {
 672                regs_buff[551] = adapter->stats.o2bgptc;
 673                regs_buff[552] = adapter->stats.b2ospc;
 674                regs_buff[553] = adapter->stats.o2bspc;
 675                regs_buff[554] = adapter->stats.b2ogprc;
 676        }
 677
 678        if (hw->mac.type == e1000_82576) {
 679                for (i = 0; i < 12; i++)
 680                        regs_buff[555 + i] = rd32(E1000_SRRCTL(i + 4));
 681                for (i = 0; i < 4; i++)
 682                        regs_buff[567 + i] = rd32(E1000_PSRTYPE(i + 4));
 683                for (i = 0; i < 12; i++)
 684                        regs_buff[571 + i] = rd32(E1000_RDBAL(i + 4));
 685                for (i = 0; i < 12; i++)
 686                        regs_buff[583 + i] = rd32(E1000_RDBAH(i + 4));
 687                for (i = 0; i < 12; i++)
 688                        regs_buff[595 + i] = rd32(E1000_RDLEN(i + 4));
 689                for (i = 0; i < 12; i++)
 690                        regs_buff[607 + i] = rd32(E1000_RDH(i + 4));
 691                for (i = 0; i < 12; i++)
 692                        regs_buff[619 + i] = rd32(E1000_RDT(i + 4));
 693                for (i = 0; i < 12; i++)
 694                        regs_buff[631 + i] = rd32(E1000_RXDCTL(i + 4));
 695
 696                for (i = 0; i < 12; i++)
 697                        regs_buff[643 + i] = rd32(E1000_TDBAL(i + 4));
 698                for (i = 0; i < 12; i++)
 699                        regs_buff[655 + i] = rd32(E1000_TDBAH(i + 4));
 700                for (i = 0; i < 12; i++)
 701                        regs_buff[667 + i] = rd32(E1000_TDLEN(i + 4));
 702                for (i = 0; i < 12; i++)
 703                        regs_buff[679 + i] = rd32(E1000_TDH(i + 4));
 704                for (i = 0; i < 12; i++)
 705                        regs_buff[691 + i] = rd32(E1000_TDT(i + 4));
 706                for (i = 0; i < 12; i++)
 707                        regs_buff[703 + i] = rd32(E1000_TXDCTL(i + 4));
 708                for (i = 0; i < 12; i++)
 709                        regs_buff[715 + i] = rd32(E1000_TDWBAL(i + 4));
 710                for (i = 0; i < 12; i++)
 711                        regs_buff[727 + i] = rd32(E1000_TDWBAH(i + 4));
 712        }
 713
 714        if (hw->mac.type == e1000_i210 || hw->mac.type == e1000_i211)
 715                regs_buff[739] = rd32(E1000_I210_RR2DCDELAY);
 716}
 717
 718static int igb_get_eeprom_len(struct net_device *netdev)
 719{
 720        struct igb_adapter *adapter = netdev_priv(netdev);
 721        return adapter->hw.nvm.word_size * 2;
 722}
 723
 724static int igb_get_eeprom(struct net_device *netdev,
 725                          struct ethtool_eeprom *eeprom, u8 *bytes)
 726{
 727        struct igb_adapter *adapter = netdev_priv(netdev);
 728        struct e1000_hw *hw = &adapter->hw;
 729        u16 *eeprom_buff;
 730        int first_word, last_word;
 731        int ret_val = 0;
 732        u16 i;
 733
 734        if (eeprom->len == 0)
 735                return -EINVAL;
 736
 737        eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 738
 739        first_word = eeprom->offset >> 1;
 740        last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 741
 742        eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
 743                                    GFP_KERNEL);
 744        if (!eeprom_buff)
 745                return -ENOMEM;
 746
 747        if (hw->nvm.type == e1000_nvm_eeprom_spi)
 748                ret_val = hw->nvm.ops.read(hw, first_word,
 749                                           last_word - first_word + 1,
 750                                           eeprom_buff);
 751        else {
 752                for (i = 0; i < last_word - first_word + 1; i++) {
 753                        ret_val = hw->nvm.ops.read(hw, first_word + i, 1,
 754                                                   &eeprom_buff[i]);
 755                        if (ret_val)
 756                                break;
 757                }
 758        }
 759
 760        /* Device's eeprom is always little-endian, word addressable */
 761        for (i = 0; i < last_word - first_word + 1; i++)
 762                le16_to_cpus(&eeprom_buff[i]);
 763
 764        memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
 765                        eeprom->len);
 766        kfree(eeprom_buff);
 767
 768        return ret_val;
 769}
 770
 771static int igb_set_eeprom(struct net_device *netdev,
 772                          struct ethtool_eeprom *eeprom, u8 *bytes)
 773{
 774        struct igb_adapter *adapter = netdev_priv(netdev);
 775        struct e1000_hw *hw = &adapter->hw;
 776        u16 *eeprom_buff;
 777        void *ptr;
 778        int max_len, first_word, last_word, ret_val = 0;
 779        u16 i;
 780
 781        if (eeprom->len == 0)
 782                return -EOPNOTSUPP;
 783
 784        if ((hw->mac.type >= e1000_i210) &&
 785            !igb_get_flash_presence_i210(hw)) {
 786                return -EOPNOTSUPP;
 787        }
 788
 789        if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 790                return -EFAULT;
 791
 792        max_len = hw->nvm.word_size * 2;
 793
 794        first_word = eeprom->offset >> 1;
 795        last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 796        eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 797        if (!eeprom_buff)
 798                return -ENOMEM;
 799
 800        ptr = (void *)eeprom_buff;
 801
 802        if (eeprom->offset & 1) {
 803                /* need read/modify/write of first changed EEPROM word
 804                 * only the second byte of the word is being modified
 805                 */
 806                ret_val = hw->nvm.ops.read(hw, first_word, 1,
 807                                            &eeprom_buff[0]);
 808                ptr++;
 809        }
 810        if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 811                /* need read/modify/write of last changed EEPROM word
 812                 * only the first byte of the word is being modified
 813                 */
 814                ret_val = hw->nvm.ops.read(hw, last_word, 1,
 815                                   &eeprom_buff[last_word - first_word]);
 816        }
 817
 818        /* Device's eeprom is always little-endian, word addressable */
 819        for (i = 0; i < last_word - first_word + 1; i++)
 820                le16_to_cpus(&eeprom_buff[i]);
 821
 822        memcpy(ptr, bytes, eeprom->len);
 823
 824        for (i = 0; i < last_word - first_word + 1; i++)
 825                eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 826
 827        ret_val = hw->nvm.ops.write(hw, first_word,
 828                                    last_word - first_word + 1, eeprom_buff);
 829
 830        /* Update the checksum if nvm write succeeded */
 831        if (ret_val == 0)
 832                hw->nvm.ops.update(hw);
 833
 834        igb_set_fw_version(adapter);
 835        kfree(eeprom_buff);
 836        return ret_val;
 837}
 838
 839static void igb_get_drvinfo(struct net_device *netdev,
 840                            struct ethtool_drvinfo *drvinfo)
 841{
 842        struct igb_adapter *adapter = netdev_priv(netdev);
 843
 844        strlcpy(drvinfo->driver,  igb_driver_name, sizeof(drvinfo->driver));
 845        strlcpy(drvinfo->version, igb_driver_version, sizeof(drvinfo->version));
 846
 847        /* EEPROM image version # is reported as firmware version # for
 848         * 82575 controllers
 849         */
 850        strlcpy(drvinfo->fw_version, adapter->fw_version,
 851                sizeof(drvinfo->fw_version));
 852        strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 853                sizeof(drvinfo->bus_info));
 854
 855        drvinfo->n_priv_flags = IGB_PRIV_FLAGS_STR_LEN;
 856}
 857
 858static void igb_get_ringparam(struct net_device *netdev,
 859                              struct ethtool_ringparam *ring)
 860{
 861        struct igb_adapter *adapter = netdev_priv(netdev);
 862
 863        ring->rx_max_pending = IGB_MAX_RXD;
 864        ring->tx_max_pending = IGB_MAX_TXD;
 865        ring->rx_pending = adapter->rx_ring_count;
 866        ring->tx_pending = adapter->tx_ring_count;
 867}
 868
 869static int igb_set_ringparam(struct net_device *netdev,
 870                             struct ethtool_ringparam *ring)
 871{
 872        struct igb_adapter *adapter = netdev_priv(netdev);
 873        struct igb_ring *temp_ring;
 874        int i, err = 0;
 875        u16 new_rx_count, new_tx_count;
 876
 877        if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 878                return -EINVAL;
 879
 880        new_rx_count = min_t(u32, ring->rx_pending, IGB_MAX_RXD);
 881        new_rx_count = max_t(u16, new_rx_count, IGB_MIN_RXD);
 882        new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
 883
 884        new_tx_count = min_t(u32, ring->tx_pending, IGB_MAX_TXD);
 885        new_tx_count = max_t(u16, new_tx_count, IGB_MIN_TXD);
 886        new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
 887
 888        if ((new_tx_count == adapter->tx_ring_count) &&
 889            (new_rx_count == adapter->rx_ring_count)) {
 890                /* nothing to do */
 891                return 0;
 892        }
 893
 894        while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
 895                usleep_range(1000, 2000);
 896
 897        if (!netif_running(adapter->netdev)) {
 898                for (i = 0; i < adapter->num_tx_queues; i++)
 899                        adapter->tx_ring[i]->count = new_tx_count;
 900                for (i = 0; i < adapter->num_rx_queues; i++)
 901                        adapter->rx_ring[i]->count = new_rx_count;
 902                adapter->tx_ring_count = new_tx_count;
 903                adapter->rx_ring_count = new_rx_count;
 904                goto clear_reset;
 905        }
 906
 907        if (adapter->num_tx_queues > adapter->num_rx_queues)
 908                temp_ring = vmalloc(array_size(sizeof(struct igb_ring),
 909                                               adapter->num_tx_queues));
 910        else
 911                temp_ring = vmalloc(array_size(sizeof(struct igb_ring),
 912                                               adapter->num_rx_queues));
 913
 914        if (!temp_ring) {
 915                err = -ENOMEM;
 916                goto clear_reset;
 917        }
 918
 919        igb_down(adapter);
 920
 921        /* We can't just free everything and then setup again,
 922         * because the ISRs in MSI-X mode get passed pointers
 923         * to the Tx and Rx ring structs.
 924         */
 925        if (new_tx_count != adapter->tx_ring_count) {
 926                for (i = 0; i < adapter->num_tx_queues; i++) {
 927                        memcpy(&temp_ring[i], adapter->tx_ring[i],
 928                               sizeof(struct igb_ring));
 929
 930                        temp_ring[i].count = new_tx_count;
 931                        err = igb_setup_tx_resources(&temp_ring[i]);
 932                        if (err) {
 933                                while (i) {
 934                                        i--;
 935                                        igb_free_tx_resources(&temp_ring[i]);
 936                                }
 937                                goto err_setup;
 938                        }
 939                }
 940
 941                for (i = 0; i < adapter->num_tx_queues; i++) {
 942                        igb_free_tx_resources(adapter->tx_ring[i]);
 943
 944                        memcpy(adapter->tx_ring[i], &temp_ring[i],
 945                               sizeof(struct igb_ring));
 946                }
 947
 948                adapter->tx_ring_count = new_tx_count;
 949        }
 950
 951        if (new_rx_count != adapter->rx_ring_count) {
 952                for (i = 0; i < adapter->num_rx_queues; i++) {
 953                        memcpy(&temp_ring[i], adapter->rx_ring[i],
 954                               sizeof(struct igb_ring));
 955
 956                        temp_ring[i].count = new_rx_count;
 957                        err = igb_setup_rx_resources(&temp_ring[i]);
 958                        if (err) {
 959                                while (i) {
 960                                        i--;
 961                                        igb_free_rx_resources(&temp_ring[i]);
 962                                }
 963                                goto err_setup;
 964                        }
 965
 966                }
 967
 968                for (i = 0; i < adapter->num_rx_queues; i++) {
 969                        igb_free_rx_resources(adapter->rx_ring[i]);
 970
 971                        memcpy(adapter->rx_ring[i], &temp_ring[i],
 972                               sizeof(struct igb_ring));
 973                }
 974
 975                adapter->rx_ring_count = new_rx_count;
 976        }
 977err_setup:
 978        igb_up(adapter);
 979        vfree(temp_ring);
 980clear_reset:
 981        clear_bit(__IGB_RESETTING, &adapter->state);
 982        return err;
 983}
 984
 985/* ethtool register test data */
 986struct igb_reg_test {
 987        u16 reg;
 988        u16 reg_offset;
 989        u16 array_len;
 990        u16 test_type;
 991        u32 mask;
 992        u32 write;
 993};
 994
 995/* In the hardware, registers are laid out either singly, in arrays
 996 * spaced 0x100 bytes apart, or in contiguous tables.  We assume
 997 * most tests take place on arrays or single registers (handled
 998 * as a single-element array) and special-case the tables.
 999 * Table tests are always pattern tests.
1000 *
1001 * We also make provision for some required setup steps by specifying
1002 * registers to be written without any read-back testing.
1003 */
1004
1005#define PATTERN_TEST    1
1006#define SET_READ_TEST   2
1007#define WRITE_NO_TEST   3
1008#define TABLE32_TEST    4
1009#define TABLE64_TEST_LO 5
1010#define TABLE64_TEST_HI 6
1011
1012/* i210 reg test */
1013static struct igb_reg_test reg_test_i210[] = {
1014        { E1000_FCAL,      0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1015        { E1000_FCAH,      0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1016        { E1000_FCT,       0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1017        { E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1018        { E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1019        { E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1020        /* RDH is read-only for i210, only test RDT. */
1021        { E1000_RDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1022        { E1000_FCRTH,     0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
1023        { E1000_FCTTV,     0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1024        { E1000_TIPG,      0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
1025        { E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1026        { E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1027        { E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1028        { E1000_TDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1029        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1030        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
1031        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
1032        { E1000_TCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1033        { E1000_RA,        0, 16, TABLE64_TEST_LO,
1034                                                0xFFFFFFFF, 0xFFFFFFFF },
1035        { E1000_RA,        0, 16, TABLE64_TEST_HI,
1036                                                0x900FFFFF, 0xFFFFFFFF },
1037        { E1000_MTA,       0, 128, TABLE32_TEST,
1038                                                0xFFFFFFFF, 0xFFFFFFFF },
1039        { 0, 0, 0, 0, 0 }
1040};
1041
1042/* i350 reg test */
1043static struct igb_reg_test reg_test_i350[] = {
1044        { E1000_FCAL,      0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1045        { E1000_FCAH,      0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1046        { E1000_FCT,       0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1047        { E1000_VET,       0x100, 1,  PATTERN_TEST, 0xFFFF0000, 0xFFFF0000 },
1048        { E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1049        { E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1050        { E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1051        { E1000_RDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1052        { E1000_RDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1053        { E1000_RDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1054        /* RDH is read-only for i350, only test RDT. */
1055        { E1000_RDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1056        { E1000_RDT(4),    0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1057        { E1000_FCRTH,     0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
1058        { E1000_FCTTV,     0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1059        { E1000_TIPG,      0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
1060        { E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1061        { E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1062        { E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1063        { E1000_TDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1064        { E1000_TDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1065        { E1000_TDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1066        { E1000_TDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1067        { E1000_TDT(4),    0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1068        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1069        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
1070        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
1071        { E1000_TCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1072        { E1000_RA,        0, 16, TABLE64_TEST_LO,
1073                                                0xFFFFFFFF, 0xFFFFFFFF },
1074        { E1000_RA,        0, 16, TABLE64_TEST_HI,
1075                                                0xC3FFFFFF, 0xFFFFFFFF },
1076        { E1000_RA2,       0, 16, TABLE64_TEST_LO,
1077                                                0xFFFFFFFF, 0xFFFFFFFF },
1078        { E1000_RA2,       0, 16, TABLE64_TEST_HI,
1079                                                0xC3FFFFFF, 0xFFFFFFFF },
1080        { E1000_MTA,       0, 128, TABLE32_TEST,
1081                                                0xFFFFFFFF, 0xFFFFFFFF },
1082        { 0, 0, 0, 0 }
1083};
1084
1085/* 82580 reg test */
1086static struct igb_reg_test reg_test_82580[] = {
1087        { E1000_FCAL,      0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1088        { E1000_FCAH,      0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1089        { E1000_FCT,       0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1090        { E1000_VET,       0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1091        { E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1092        { E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1093        { E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1094        { E1000_RDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1095        { E1000_RDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1096        { E1000_RDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1097        /* RDH is read-only for 82580, only test RDT. */
1098        { E1000_RDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1099        { E1000_RDT(4),    0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1100        { E1000_FCRTH,     0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
1101        { E1000_FCTTV,     0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1102        { E1000_TIPG,      0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
1103        { E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1104        { E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1105        { E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1106        { E1000_TDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1107        { E1000_TDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1108        { E1000_TDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1109        { E1000_TDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1110        { E1000_TDT(4),    0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1111        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1112        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
1113        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
1114        { E1000_TCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1115        { E1000_RA,        0, 16, TABLE64_TEST_LO,
1116                                                0xFFFFFFFF, 0xFFFFFFFF },
1117        { E1000_RA,        0, 16, TABLE64_TEST_HI,
1118                                                0x83FFFFFF, 0xFFFFFFFF },
1119        { E1000_RA2,       0, 8, TABLE64_TEST_LO,
1120                                                0xFFFFFFFF, 0xFFFFFFFF },
1121        { E1000_RA2,       0, 8, TABLE64_TEST_HI,
1122                                                0x83FFFFFF, 0xFFFFFFFF },
1123        { E1000_MTA,       0, 128, TABLE32_TEST,
1124                                                0xFFFFFFFF, 0xFFFFFFFF },
1125        { 0, 0, 0, 0 }
1126};
1127
1128/* 82576 reg test */
1129static struct igb_reg_test reg_test_82576[] = {
1130        { E1000_FCAL,      0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1131        { E1000_FCAH,      0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1132        { E1000_FCT,       0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1133        { E1000_VET,       0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1134        { E1000_RDBAL(0),  0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1135        { E1000_RDBAH(0),  0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1136        { E1000_RDLEN(0),  0x100, 4, PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1137        { E1000_RDBAL(4),  0x40, 12, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1138        { E1000_RDBAH(4),  0x40, 12, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1139        { E1000_RDLEN(4),  0x40, 12, PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1140        /* Enable all RX queues before testing. */
1141        { E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0,
1142          E1000_RXDCTL_QUEUE_ENABLE },
1143        { E1000_RXDCTL(4), 0x40, 12, WRITE_NO_TEST, 0,
1144          E1000_RXDCTL_QUEUE_ENABLE },
1145        /* RDH is read-only for 82576, only test RDT. */
1146        { E1000_RDT(0),    0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1147        { E1000_RDT(4),    0x40, 12,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1148        { E1000_RXDCTL(0), 0x100, 4,  WRITE_NO_TEST, 0, 0 },
1149        { E1000_RXDCTL(4), 0x40, 12,  WRITE_NO_TEST, 0, 0 },
1150        { E1000_FCRTH,     0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
1151        { E1000_FCTTV,     0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1152        { E1000_TIPG,      0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
1153        { E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1154        { E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1155        { E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1156        { E1000_TDBAL(4),  0x40, 12,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1157        { E1000_TDBAH(4),  0x40, 12,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1158        { E1000_TDLEN(4),  0x40, 12,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
1159        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1160        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
1161        { E1000_RCTL,      0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
1162        { E1000_TCTL,      0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1163        { E1000_RA,        0, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1164        { E1000_RA,        0, 16, TABLE64_TEST_HI, 0x83FFFFFF, 0xFFFFFFFF },
1165        { E1000_RA2,       0, 8, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1166        { E1000_RA2,       0, 8, TABLE64_TEST_HI, 0x83FFFFFF, 0xFFFFFFFF },
1167        { E1000_MTA,       0, 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1168        { 0, 0, 0, 0 }
1169};
1170
1171/* 82575 register test */
1172static struct igb_reg_test reg_test_82575[] = {
1173        { E1000_FCAL,      0x100, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1174        { E1000_FCAH,      0x100, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1175        { E1000_FCT,       0x100, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
1176        { E1000_VET,       0x100, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1177        { E1000_RDBAL(0),  0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1178        { E1000_RDBAH(0),  0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1179        { E1000_RDLEN(0),  0x100, 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1180        /* Enable all four RX queues before testing. */
1181        { E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0,
1182          E1000_RXDCTL_QUEUE_ENABLE },
1183        /* RDH is read-only for 82575, only test RDT. */
1184        { E1000_RDT(0),    0x100, 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1185        { E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0, 0 },
1186        { E1000_FCRTH,     0x100, 1, PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
1187        { E1000_FCTTV,     0x100, 1, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1188        { E1000_TIPG,      0x100, 1, PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
1189        { E1000_TDBAL(0),  0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1190        { E1000_TDBAH(0),  0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1191        { E1000_TDLEN(0),  0x100, 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1192        { E1000_RCTL,      0x100, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1193        { E1000_RCTL,      0x100, 1, SET_READ_TEST, 0x04CFB3FE, 0x003FFFFB },
1194        { E1000_RCTL,      0x100, 1, SET_READ_TEST, 0x04CFB3FE, 0xFFFFFFFF },
1195        { E1000_TCTL,      0x100, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
1196        { E1000_TXCW,      0x100, 1, PATTERN_TEST, 0xC000FFFF, 0x0000FFFF },
1197        { E1000_RA,        0, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1198        { E1000_RA,        0, 16, TABLE64_TEST_HI, 0x800FFFFF, 0xFFFFFFFF },
1199        { E1000_MTA,       0, 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1200        { 0, 0, 0, 0 }
1201};
1202
1203static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data,
1204                             int reg, u32 mask, u32 write)
1205{
1206        struct e1000_hw *hw = &adapter->hw;
1207        u32 pat, val;
1208        static const u32 _test[] = {
1209                0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1210        for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {
1211                wr32(reg, (_test[pat] & write));
1212                val = rd32(reg) & mask;
1213                if (val != (_test[pat] & write & mask)) {
1214                        dev_err(&adapter->pdev->dev,
1215                                "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
1216                                reg, val, (_test[pat] & write & mask));
1217                        *data = reg;
1218                        return true;
1219                }
1220        }
1221
1222        return false;
1223}
1224
1225static bool reg_set_and_check(struct igb_adapter *adapter, u64 *data,
1226                              int reg, u32 mask, u32 write)
1227{
1228        struct e1000_hw *hw = &adapter->hw;
1229        u32 val;
1230
1231        wr32(reg, write & mask);
1232        val = rd32(reg);
1233        if ((write & mask) != (val & mask)) {
1234                dev_err(&adapter->pdev->dev,
1235                        "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
1236                        reg, (val & mask), (write & mask));
1237                *data = reg;
1238                return true;
1239        }
1240
1241        return false;
1242}
1243
1244#define REG_PATTERN_TEST(reg, mask, write) \
1245        do { \
1246                if (reg_pattern_test(adapter, data, reg, mask, write)) \
1247                        return 1; \
1248        } while (0)
1249
1250#define REG_SET_AND_CHECK(reg, mask, write) \
1251        do { \
1252                if (reg_set_and_check(adapter, data, reg, mask, write)) \
1253                        return 1; \
1254        } while (0)
1255
1256static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
1257{
1258        struct e1000_hw *hw = &adapter->hw;
1259        struct igb_reg_test *test;
1260        u32 value, before, after;
1261        u32 i, toggle;
1262
1263        switch (adapter->hw.mac.type) {
1264        case e1000_i350:
1265        case e1000_i354:
1266                test = reg_test_i350;
1267                toggle = 0x7FEFF3FF;
1268                break;
1269        case e1000_i210:
1270        case e1000_i211:
1271                test = reg_test_i210;
1272                toggle = 0x7FEFF3FF;
1273                break;
1274        case e1000_82580:
1275                test = reg_test_82580;
1276                toggle = 0x7FEFF3FF;
1277                break;
1278        case e1000_82576:
1279                test = reg_test_82576;
1280                toggle = 0x7FFFF3FF;
1281                break;
1282        default:
1283                test = reg_test_82575;
1284                toggle = 0x7FFFF3FF;
1285                break;
1286        }
1287
1288        /* Because the status register is such a special case,
1289         * we handle it separately from the rest of the register
1290         * tests.  Some bits are read-only, some toggle, and some
1291         * are writable on newer MACs.
1292         */
1293        before = rd32(E1000_STATUS);
1294        value = (rd32(E1000_STATUS) & toggle);
1295        wr32(E1000_STATUS, toggle);
1296        after = rd32(E1000_STATUS) & toggle;
1297        if (value != after) {
1298                dev_err(&adapter->pdev->dev,
1299                        "failed STATUS register test got: 0x%08X expected: 0x%08X\n",
1300                        after, value);
1301                *data = 1;
1302                return 1;
1303        }
1304        /* restore previous status */
1305        wr32(E1000_STATUS, before);
1306
1307        /* Perform the remainder of the register test, looping through
1308         * the test table until we either fail or reach the null entry.
1309         */
1310        while (test->reg) {
1311                for (i = 0; i < test->array_len; i++) {
1312                        switch (test->test_type) {
1313                        case PATTERN_TEST:
1314                                REG_PATTERN_TEST(test->reg +
1315                                                (i * test->reg_offset),
1316                                                test->mask,
1317                                                test->write);
1318                                break;
1319                        case SET_READ_TEST:
1320                                REG_SET_AND_CHECK(test->reg +
1321                                                (i * test->reg_offset),
1322                                                test->mask,
1323                                                test->write);
1324                                break;
1325                        case WRITE_NO_TEST:
1326                                writel(test->write,
1327                                    (adapter->hw.hw_addr + test->reg)
1328                                        + (i * test->reg_offset));
1329                                break;
1330                        case TABLE32_TEST:
1331                                REG_PATTERN_TEST(test->reg + (i * 4),
1332                                                test->mask,
1333                                                test->write);
1334                                break;
1335                        case TABLE64_TEST_LO:
1336                                REG_PATTERN_TEST(test->reg + (i * 8),
1337                                                test->mask,
1338                                                test->write);
1339                                break;
1340                        case TABLE64_TEST_HI:
1341                                REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1342                                                test->mask,
1343                                                test->write);
1344                                break;
1345                        }
1346                }
1347                test++;
1348        }
1349
1350        *data = 0;
1351        return 0;
1352}
1353
1354static int igb_eeprom_test(struct igb_adapter *adapter, u64 *data)
1355{
1356        struct e1000_hw *hw = &adapter->hw;
1357
1358        *data = 0;
1359
1360        /* Validate eeprom on all parts but flashless */
1361        switch (hw->mac.type) {
1362        case e1000_i210:
1363        case e1000_i211:
1364                if (igb_get_flash_presence_i210(hw)) {
1365                        if (adapter->hw.nvm.ops.validate(&adapter->hw) < 0)
1366                                *data = 2;
1367                }
1368                break;
1369        default:
1370                if (adapter->hw.nvm.ops.validate(&adapter->hw) < 0)
1371                        *data = 2;
1372                break;
1373        }
1374
1375        return *data;
1376}
1377
1378static irqreturn_t igb_test_intr(int irq, void *data)
1379{
1380        struct igb_adapter *adapter = (struct igb_adapter *) data;
1381        struct e1000_hw *hw = &adapter->hw;
1382
1383        adapter->test_icr |= rd32(E1000_ICR);
1384
1385        return IRQ_HANDLED;
1386}
1387
1388static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
1389{
1390        struct e1000_hw *hw = &adapter->hw;
1391        struct net_device *netdev = adapter->netdev;
1392        u32 mask, ics_mask, i = 0, shared_int = true;
1393        u32 irq = adapter->pdev->irq;
1394
1395        *data = 0;
1396
1397        /* Hook up test interrupt handler just for this test */
1398        if (adapter->flags & IGB_FLAG_HAS_MSIX) {
1399                if (request_irq(adapter->msix_entries[0].vector,
1400                                igb_test_intr, 0, netdev->name, adapter)) {
1401                        *data = 1;
1402                        return -1;
1403                }
1404        } else if (adapter->flags & IGB_FLAG_HAS_MSI) {
1405                shared_int = false;
1406                if (request_irq(irq,
1407                                igb_test_intr, 0, netdev->name, adapter)) {
1408                        *data = 1;
1409                        return -1;
1410                }
1411        } else if (!request_irq(irq, igb_test_intr, IRQF_PROBE_SHARED,
1412                                netdev->name, adapter)) {
1413                shared_int = false;
1414        } else if (request_irq(irq, igb_test_intr, IRQF_SHARED,
1415                 netdev->name, adapter)) {
1416                *data = 1;
1417                return -1;
1418        }
1419        dev_info(&adapter->pdev->dev, "testing %s interrupt\n",
1420                (shared_int ? "shared" : "unshared"));
1421
1422        /* Disable all the interrupts */
1423        wr32(E1000_IMC, ~0);
1424        wrfl();
1425        usleep_range(10000, 11000);
1426
1427        /* Define all writable bits for ICS */
1428        switch (hw->mac.type) {
1429        case e1000_82575:
1430                ics_mask = 0x37F47EDD;
1431                break;
1432        case e1000_82576:
1433                ics_mask = 0x77D4FBFD;
1434                break;
1435        case e1000_82580:
1436                ics_mask = 0x77DCFED5;
1437                break;
1438        case e1000_i350:
1439        case e1000_i354:
1440        case e1000_i210:
1441        case e1000_i211:
1442                ics_mask = 0x77DCFED5;
1443                break;
1444        default:
1445                ics_mask = 0x7FFFFFFF;
1446                break;
1447        }
1448
1449        /* Test each interrupt */
1450        for (; i < 31; i++) {
1451                /* Interrupt to test */
1452                mask = BIT(i);
1453
1454                if (!(mask & ics_mask))
1455                        continue;
1456
1457                if (!shared_int) {
1458                        /* Disable the interrupt to be reported in
1459                         * the cause register and then force the same
1460                         * interrupt and see if one gets posted.  If
1461                         * an interrupt was posted to the bus, the
1462                         * test failed.
1463                         */
1464                        adapter->test_icr = 0;
1465
1466                        /* Flush any pending interrupts */
1467                        wr32(E1000_ICR, ~0);
1468
1469                        wr32(E1000_IMC, mask);
1470                        wr32(E1000_ICS, mask);
1471                        wrfl();
1472                        usleep_range(10000, 11000);
1473
1474                        if (adapter->test_icr & mask) {
1475                                *data = 3;
1476                                break;
1477                        }
1478                }
1479
1480                /* Enable the interrupt to be reported in
1481                 * the cause register and then force the same
1482                 * interrupt and see if one gets posted.  If
1483                 * an interrupt was not posted to the bus, the
1484                 * test failed.
1485                 */
1486                adapter->test_icr = 0;
1487
1488                /* Flush any pending interrupts */
1489                wr32(E1000_ICR, ~0);
1490
1491                wr32(E1000_IMS, mask);
1492                wr32(E1000_ICS, mask);
1493                wrfl();
1494                usleep_range(10000, 11000);
1495
1496                if (!(adapter->test_icr & mask)) {
1497                        *data = 4;
1498                        break;
1499                }
1500
1501                if (!shared_int) {
1502                        /* Disable the other interrupts to be reported in
1503                         * the cause register and then force the other
1504                         * interrupts and see if any get posted.  If
1505                         * an interrupt was posted to the bus, the
1506                         * test failed.
1507                         */
1508                        adapter->test_icr = 0;
1509
1510                        /* Flush any pending interrupts */
1511                        wr32(E1000_ICR, ~0);
1512
1513                        wr32(E1000_IMC, ~mask);
1514                        wr32(E1000_ICS, ~mask);
1515                        wrfl();
1516                        usleep_range(10000, 11000);
1517
1518                        if (adapter->test_icr & mask) {
1519                                *data = 5;
1520                                break;
1521                        }
1522                }
1523        }
1524
1525        /* Disable all the interrupts */
1526        wr32(E1000_IMC, ~0);
1527        wrfl();
1528        usleep_range(10000, 11000);
1529
1530        /* Unhook test interrupt handler */
1531        if (adapter->flags & IGB_FLAG_HAS_MSIX)
1532                free_irq(adapter->msix_entries[0].vector, adapter);
1533        else
1534                free_irq(irq, adapter);
1535
1536        return *data;
1537}
1538
1539static void igb_free_desc_rings(struct igb_adapter *adapter)
1540{
1541        igb_free_tx_resources(&adapter->test_tx_ring);
1542        igb_free_rx_resources(&adapter->test_rx_ring);
1543}
1544
1545static int igb_setup_desc_rings(struct igb_adapter *adapter)
1546{
1547        struct igb_ring *tx_ring = &adapter->test_tx_ring;
1548        struct igb_ring *rx_ring = &adapter->test_rx_ring;
1549        struct e1000_hw *hw = &adapter->hw;
1550        int ret_val;
1551
1552        /* Setup Tx descriptor ring and Tx buffers */
1553        tx_ring->count = IGB_DEFAULT_TXD;
1554        tx_ring->dev = &adapter->pdev->dev;
1555        tx_ring->netdev = adapter->netdev;
1556        tx_ring->reg_idx = adapter->vfs_allocated_count;
1557
1558        if (igb_setup_tx_resources(tx_ring)) {
1559                ret_val = 1;
1560                goto err_nomem;
1561        }
1562
1563        igb_setup_tctl(adapter);
1564        igb_configure_tx_ring(adapter, tx_ring);
1565
1566        /* Setup Rx descriptor ring and Rx buffers */
1567        rx_ring->count = IGB_DEFAULT_RXD;
1568        rx_ring->dev = &adapter->pdev->dev;
1569        rx_ring->netdev = adapter->netdev;
1570        rx_ring->reg_idx = adapter->vfs_allocated_count;
1571
1572        if (igb_setup_rx_resources(rx_ring)) {
1573                ret_val = 3;
1574                goto err_nomem;
1575        }
1576
1577        /* set the default queue to queue 0 of PF */
1578        wr32(E1000_MRQC, adapter->vfs_allocated_count << 3);
1579
1580        /* enable receive ring */
1581        igb_setup_rctl(adapter);
1582        igb_configure_rx_ring(adapter, rx_ring);
1583
1584        igb_alloc_rx_buffers(rx_ring, igb_desc_unused(rx_ring));
1585
1586        return 0;
1587
1588err_nomem:
1589        igb_free_desc_rings(adapter);
1590        return ret_val;
1591}
1592
1593static void igb_phy_disable_receiver(struct igb_adapter *adapter)
1594{
1595        struct e1000_hw *hw = &adapter->hw;
1596
1597        /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1598        igb_write_phy_reg(hw, 29, 0x001F);
1599        igb_write_phy_reg(hw, 30, 0x8FFC);
1600        igb_write_phy_reg(hw, 29, 0x001A);
1601        igb_write_phy_reg(hw, 30, 0x8FF0);
1602}
1603
1604static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
1605{
1606        struct e1000_hw *hw = &adapter->hw;
1607        u32 ctrl_reg = 0;
1608
1609        hw->mac.autoneg = false;
1610
1611        if (hw->phy.type == e1000_phy_m88) {
1612                if (hw->phy.id != I210_I_PHY_ID) {
1613                        /* Auto-MDI/MDIX Off */
1614                        igb_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1615                        /* reset to update Auto-MDI/MDIX */
1616                        igb_write_phy_reg(hw, PHY_CONTROL, 0x9140);
1617                        /* autoneg off */
1618                        igb_write_phy_reg(hw, PHY_CONTROL, 0x8140);
1619                } else {
1620                        /* force 1000, set loopback  */
1621                        igb_write_phy_reg(hw, I347AT4_PAGE_SELECT, 0);
1622                        igb_write_phy_reg(hw, PHY_CONTROL, 0x4140);
1623                }
1624        } else if (hw->phy.type == e1000_phy_82580) {
1625                /* enable MII loopback */
1626                igb_write_phy_reg(hw, I82580_PHY_LBK_CTRL, 0x8041);
1627        }
1628
1629        /* add small delay to avoid loopback test failure */
1630        msleep(50);
1631
1632        /* force 1000, set loopback */
1633        igb_write_phy_reg(hw, PHY_CONTROL, 0x4140);
1634
1635        /* Now set up the MAC to the same speed/duplex as the PHY. */
1636        ctrl_reg = rd32(E1000_CTRL);
1637        ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1638        ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1639                     E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1640                     E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1641                     E1000_CTRL_FD |     /* Force Duplex to FULL */
1642                     E1000_CTRL_SLU);    /* Set link up enable bit */
1643
1644        if (hw->phy.type == e1000_phy_m88)
1645                ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1646
1647        wr32(E1000_CTRL, ctrl_reg);
1648
1649        /* Disable the receiver on the PHY so when a cable is plugged in, the
1650         * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1651         */
1652        if (hw->phy.type == e1000_phy_m88)
1653                igb_phy_disable_receiver(adapter);
1654
1655        msleep(500);
1656        return 0;
1657}
1658
1659static int igb_set_phy_loopback(struct igb_adapter *adapter)
1660{
1661        return igb_integrated_phy_loopback(adapter);
1662}
1663
1664static int igb_setup_loopback_test(struct igb_adapter *adapter)
1665{
1666        struct e1000_hw *hw = &adapter->hw;
1667        u32 reg;
1668
1669        reg = rd32(E1000_CTRL_EXT);
1670
1671        /* use CTRL_EXT to identify link type as SGMII can appear as copper */
1672        if (reg & E1000_CTRL_EXT_LINK_MODE_MASK) {
1673                if ((hw->device_id == E1000_DEV_ID_DH89XXCC_SGMII) ||
1674                (hw->device_id == E1000_DEV_ID_DH89XXCC_SERDES) ||
1675                (hw->device_id == E1000_DEV_ID_DH89XXCC_BACKPLANE) ||
1676                (hw->device_id == E1000_DEV_ID_DH89XXCC_SFP) ||
1677                (hw->device_id == E1000_DEV_ID_I354_SGMII) ||
1678                (hw->device_id == E1000_DEV_ID_I354_BACKPLANE_2_5GBPS)) {
1679                        /* Enable DH89xxCC MPHY for near end loopback */
1680                        reg = rd32(E1000_MPHY_ADDR_CTL);
1681                        reg = (reg & E1000_MPHY_ADDR_CTL_OFFSET_MASK) |
1682                        E1000_MPHY_PCS_CLK_REG_OFFSET;
1683                        wr32(E1000_MPHY_ADDR_CTL, reg);
1684
1685                        reg = rd32(E1000_MPHY_DATA);
1686                        reg |= E1000_MPHY_PCS_CLK_REG_DIGINELBEN;
1687                        wr32(E1000_MPHY_DATA, reg);
1688                }
1689
1690                reg = rd32(E1000_RCTL);
1691                reg |= E1000_RCTL_LBM_TCVR;
1692                wr32(E1000_RCTL, reg);
1693
1694                wr32(E1000_SCTL, E1000_ENABLE_SERDES_LOOPBACK);
1695
1696                reg = rd32(E1000_CTRL);
1697                reg &= ~(E1000_CTRL_RFCE |
1698                         E1000_CTRL_TFCE |
1699                         E1000_CTRL_LRST);
1700                reg |= E1000_CTRL_SLU |
1701                       E1000_CTRL_FD;
1702                wr32(E1000_CTRL, reg);
1703
1704                /* Unset switch control to serdes energy detect */
1705                reg = rd32(E1000_CONNSW);
1706                reg &= ~E1000_CONNSW_ENRGSRC;
1707                wr32(E1000_CONNSW, reg);
1708
1709                /* Unset sigdetect for SERDES loopback on
1710                 * 82580 and newer devices.
1711                 */
1712                if (hw->mac.type >= e1000_82580) {
1713                        reg = rd32(E1000_PCS_CFG0);
1714                        reg |= E1000_PCS_CFG_IGN_SD;
1715                        wr32(E1000_PCS_CFG0, reg);
1716                }
1717
1718                /* Set PCS register for forced speed */
1719                reg = rd32(E1000_PCS_LCTL);
1720                reg &= ~E1000_PCS_LCTL_AN_ENABLE;     /* Disable Autoneg*/
1721                reg |= E1000_PCS_LCTL_FLV_LINK_UP |   /* Force link up */
1722                       E1000_PCS_LCTL_FSV_1000 |      /* Force 1000    */
1723                       E1000_PCS_LCTL_FDV_FULL |      /* SerDes Full duplex */
1724                       E1000_PCS_LCTL_FSD |           /* Force Speed */
1725                       E1000_PCS_LCTL_FORCE_LINK;     /* Force Link */
1726                wr32(E1000_PCS_LCTL, reg);
1727
1728                return 0;
1729        }
1730
1731        return igb_set_phy_loopback(adapter);
1732}
1733
1734static void igb_loopback_cleanup(struct igb_adapter *adapter)
1735{
1736        struct e1000_hw *hw = &adapter->hw;
1737        u32 rctl;
1738        u16 phy_reg;
1739
1740        if ((hw->device_id == E1000_DEV_ID_DH89XXCC_SGMII) ||
1741        (hw->device_id == E1000_DEV_ID_DH89XXCC_SERDES) ||
1742        (hw->device_id == E1000_DEV_ID_DH89XXCC_BACKPLANE) ||
1743        (hw->device_id == E1000_DEV_ID_DH89XXCC_SFP) ||
1744        (hw->device_id == E1000_DEV_ID_I354_SGMII)) {
1745                u32 reg;
1746
1747                /* Disable near end loopback on DH89xxCC */
1748                reg = rd32(E1000_MPHY_ADDR_CTL);
1749                reg = (reg & E1000_MPHY_ADDR_CTL_OFFSET_MASK) |
1750                E1000_MPHY_PCS_CLK_REG_OFFSET;
1751                wr32(E1000_MPHY_ADDR_CTL, reg);
1752
1753                reg = rd32(E1000_MPHY_DATA);
1754                reg &= ~E1000_MPHY_PCS_CLK_REG_DIGINELBEN;
1755                wr32(E1000_MPHY_DATA, reg);
1756        }
1757
1758        rctl = rd32(E1000_RCTL);
1759        rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1760        wr32(E1000_RCTL, rctl);
1761
1762        hw->mac.autoneg = true;
1763        igb_read_phy_reg(hw, PHY_CONTROL, &phy_reg);
1764        if (phy_reg & MII_CR_LOOPBACK) {
1765                phy_reg &= ~MII_CR_LOOPBACK;
1766                igb_write_phy_reg(hw, PHY_CONTROL, phy_reg);
1767                igb_phy_sw_reset(hw);
1768        }
1769}
1770
1771static void igb_create_lbtest_frame(struct sk_buff *skb,
1772                                    unsigned int frame_size)
1773{
1774        memset(skb->data, 0xFF, frame_size);
1775        frame_size /= 2;
1776        memset(&skb->data[frame_size], 0xAA, frame_size - 1);
1777        memset(&skb->data[frame_size + 10], 0xBE, 1);
1778        memset(&skb->data[frame_size + 12], 0xAF, 1);
1779}
1780
1781static int igb_check_lbtest_frame(struct igb_rx_buffer *rx_buffer,
1782                                  unsigned int frame_size)
1783{
1784        unsigned char *data;
1785        bool match = true;
1786
1787        frame_size >>= 1;
1788
1789        data = kmap(rx_buffer->page);
1790
1791        if (data[3] != 0xFF ||
1792            data[frame_size + 10] != 0xBE ||
1793            data[frame_size + 12] != 0xAF)
1794                match = false;
1795
1796        kunmap(rx_buffer->page);
1797
1798        return match;
1799}
1800
1801static int igb_clean_test_rings(struct igb_ring *rx_ring,
1802                                struct igb_ring *tx_ring,
1803                                unsigned int size)
1804{
1805        union e1000_adv_rx_desc *rx_desc;
1806        struct igb_rx_buffer *rx_buffer_info;
1807        struct igb_tx_buffer *tx_buffer_info;
1808        u16 rx_ntc, tx_ntc, count = 0;
1809
1810        /* initialize next to clean and descriptor values */
1811        rx_ntc = rx_ring->next_to_clean;
1812        tx_ntc = tx_ring->next_to_clean;
1813        rx_desc = IGB_RX_DESC(rx_ring, rx_ntc);
1814
1815        while (rx_desc->wb.upper.length) {
1816                /* check Rx buffer */
1817                rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
1818
1819                /* sync Rx buffer for CPU read */
1820                dma_sync_single_for_cpu(rx_ring->dev,
1821                                        rx_buffer_info->dma,
1822                                        size,
1823                                        DMA_FROM_DEVICE);
1824
1825                /* verify contents of skb */
1826                if (igb_check_lbtest_frame(rx_buffer_info, size))
1827                        count++;
1828
1829                /* sync Rx buffer for device write */
1830                dma_sync_single_for_device(rx_ring->dev,
1831                                           rx_buffer_info->dma,
1832                                           size,
1833                                           DMA_FROM_DEVICE);
1834
1835                /* unmap buffer on Tx side */
1836                tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc];
1837
1838                /* Free all the Tx ring sk_buffs */
1839                dev_kfree_skb_any(tx_buffer_info->skb);
1840
1841                /* unmap skb header data */
1842                dma_unmap_single(tx_ring->dev,
1843                                 dma_unmap_addr(tx_buffer_info, dma),
1844                                 dma_unmap_len(tx_buffer_info, len),
1845                                 DMA_TO_DEVICE);
1846                dma_unmap_len_set(tx_buffer_info, len, 0);
1847
1848                /* increment Rx/Tx next to clean counters */
1849                rx_ntc++;
1850                if (rx_ntc == rx_ring->count)
1851                        rx_ntc = 0;
1852                tx_ntc++;
1853                if (tx_ntc == tx_ring->count)
1854                        tx_ntc = 0;
1855
1856                /* fetch next descriptor */
1857                rx_desc = IGB_RX_DESC(rx_ring, rx_ntc);
1858        }
1859
1860        netdev_tx_reset_queue(txring_txq(tx_ring));
1861
1862        /* re-map buffers to ring, store next to clean values */
1863        igb_alloc_rx_buffers(rx_ring, count);
1864        rx_ring->next_to_clean = rx_ntc;
1865        tx_ring->next_to_clean = tx_ntc;
1866
1867        return count;
1868}
1869
1870static int igb_run_loopback_test(struct igb_adapter *adapter)
1871{
1872        struct igb_ring *tx_ring = &adapter->test_tx_ring;
1873        struct igb_ring *rx_ring = &adapter->test_rx_ring;
1874        u16 i, j, lc, good_cnt;
1875        int ret_val = 0;
1876        unsigned int size = IGB_RX_HDR_LEN;
1877        netdev_tx_t tx_ret_val;
1878        struct sk_buff *skb;
1879
1880        /* allocate test skb */
1881        skb = alloc_skb(size, GFP_KERNEL);
1882        if (!skb)
1883                return 11;
1884
1885        /* place data into test skb */
1886        igb_create_lbtest_frame(skb, size);
1887        skb_put(skb, size);
1888
1889        /* Calculate the loop count based on the largest descriptor ring
1890         * The idea is to wrap the largest ring a number of times using 64
1891         * send/receive pairs during each loop
1892         */
1893
1894        if (rx_ring->count <= tx_ring->count)
1895                lc = ((tx_ring->count / 64) * 2) + 1;
1896        else
1897                lc = ((rx_ring->count / 64) * 2) + 1;
1898
1899        for (j = 0; j <= lc; j++) { /* loop count loop */
1900                /* reset count of good packets */
1901                good_cnt = 0;
1902
1903                /* place 64 packets on the transmit queue*/
1904                for (i = 0; i < 64; i++) {
1905                        skb_get(skb);
1906                        tx_ret_val = igb_xmit_frame_ring(skb, tx_ring);
1907                        if (tx_ret_val == NETDEV_TX_OK)
1908                                good_cnt++;
1909                }
1910
1911                if (good_cnt != 64) {
1912                        ret_val = 12;
1913                        break;
1914                }
1915
1916                /* allow 200 milliseconds for packets to go from Tx to Rx */
1917                msleep(200);
1918
1919                good_cnt = igb_clean_test_rings(rx_ring, tx_ring, size);
1920                if (good_cnt != 64) {
1921                        ret_val = 13;
1922                        break;
1923                }
1924        } /* end loop count loop */
1925
1926        /* free the original skb */
1927        kfree_skb(skb);
1928
1929        return ret_val;
1930}
1931
1932static int igb_loopback_test(struct igb_adapter *adapter, u64 *data)
1933{
1934        /* PHY loopback cannot be performed if SoL/IDER
1935         * sessions are active
1936         */
1937        if (igb_check_reset_block(&adapter->hw)) {
1938                dev_err(&adapter->pdev->dev,
1939                        "Cannot do PHY loopback test when SoL/IDER is active.\n");
1940                *data = 0;
1941                goto out;
1942        }
1943
1944        if (adapter->hw.mac.type == e1000_i354) {
1945                dev_info(&adapter->pdev->dev,
1946                        "Loopback test not supported on i354.\n");
1947                *data = 0;
1948                goto out;
1949        }
1950        *data = igb_setup_desc_rings(adapter);
1951        if (*data)
1952                goto out;
1953        *data = igb_setup_loopback_test(adapter);
1954        if (*data)
1955                goto err_loopback;
1956        *data = igb_run_loopback_test(adapter);
1957        igb_loopback_cleanup(adapter);
1958
1959err_loopback:
1960        igb_free_desc_rings(adapter);
1961out:
1962        return *data;
1963}
1964
1965static int igb_link_test(struct igb_adapter *adapter, u64 *data)
1966{
1967        struct e1000_hw *hw = &adapter->hw;
1968        *data = 0;
1969        if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1970                int i = 0;
1971
1972                hw->mac.serdes_has_link = false;
1973
1974                /* On some blade server designs, link establishment
1975                 * could take as long as 2-3 minutes
1976                 */
1977                do {
1978                        hw->mac.ops.check_for_link(&adapter->hw);
1979                        if (hw->mac.serdes_has_link)
1980                                return *data;
1981                        msleep(20);
1982                } while (i++ < 3750);
1983
1984                *data = 1;
1985        } else {
1986                hw->mac.ops.check_for_link(&adapter->hw);
1987                if (hw->mac.autoneg)
1988                        msleep(5000);
1989
1990                if (!(rd32(E1000_STATUS) & E1000_STATUS_LU))
1991                        *data = 1;
1992        }
1993        return *data;
1994}
1995
1996static void igb_diag_test(struct net_device *netdev,
1997                          struct ethtool_test *eth_test, u64 *data)
1998{
1999        struct igb_adapter *adapter = netdev_priv(netdev);
2000        u16 autoneg_advertised;
2001        u8 forced_speed_duplex, autoneg;
2002        bool if_running = netif_running(netdev);
2003
2004        set_bit(__IGB_TESTING, &adapter->state);
2005
2006        /* can't do offline tests on media switching devices */
2007        if (adapter->hw.dev_spec._82575.mas_capable)
2008                eth_test->flags &= ~ETH_TEST_FL_OFFLINE;
2009        if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
2010                /* Offline tests */
2011
2012                /* save speed, duplex, autoneg settings */
2013                autoneg_advertised = adapter->hw.phy.autoneg_advertised;
2014                forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
2015                autoneg = adapter->hw.mac.autoneg;
2016
2017                dev_info(&adapter->pdev->dev, "offline testing starting\n");
2018
2019                /* power up link for link test */
2020                igb_power_up_link(adapter);
2021
2022                /* Link test performed before hardware reset so autoneg doesn't
2023                 * interfere with test result
2024                 */
2025                if (igb_link_test(adapter, &data[TEST_LINK]))
2026                        eth_test->flags |= ETH_TEST_FL_FAILED;
2027
2028                if (if_running)
2029                        /* indicate we're in test mode */
2030                        igb_close(netdev);
2031                else
2032                        igb_reset(adapter);
2033
2034                if (igb_reg_test(adapter, &data[TEST_REG]))
2035                        eth_test->flags |= ETH_TEST_FL_FAILED;
2036
2037                igb_reset(adapter);
2038                if (igb_eeprom_test(adapter, &data[TEST_EEP]))
2039                        eth_test->flags |= ETH_TEST_FL_FAILED;
2040
2041                igb_reset(adapter);
2042                if (igb_intr_test(adapter, &data[TEST_IRQ]))
2043                        eth_test->flags |= ETH_TEST_FL_FAILED;
2044
2045                igb_reset(adapter);
2046                /* power up link for loopback test */
2047                igb_power_up_link(adapter);
2048                if (igb_loopback_test(adapter, &data[TEST_LOOP]))
2049                        eth_test->flags |= ETH_TEST_FL_FAILED;
2050
2051                /* restore speed, duplex, autoneg settings */
2052                adapter->hw.phy.autoneg_advertised = autoneg_advertised;
2053                adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
2054                adapter->hw.mac.autoneg = autoneg;
2055
2056                /* force this routine to wait until autoneg complete/timeout */
2057                adapter->hw.phy.autoneg_wait_to_complete = true;
2058                igb_reset(adapter);
2059                adapter->hw.phy.autoneg_wait_to_complete = false;
2060
2061                clear_bit(__IGB_TESTING, &adapter->state);
2062                if (if_running)
2063                        igb_open(netdev);
2064        } else {
2065                dev_info(&adapter->pdev->dev, "online testing starting\n");
2066
2067                /* PHY is powered down when interface is down */
2068                if (if_running && igb_link_test(adapter, &data[TEST_LINK]))
2069                        eth_test->flags |= ETH_TEST_FL_FAILED;
2070                else
2071                        data[TEST_LINK] = 0;
2072
2073                /* Online tests aren't run; pass by default */
2074                data[TEST_REG] = 0;
2075                data[TEST_EEP] = 0;
2076                data[TEST_IRQ] = 0;
2077                data[TEST_LOOP] = 0;
2078
2079                clear_bit(__IGB_TESTING, &adapter->state);
2080        }
2081        msleep_interruptible(4 * 1000);
2082}
2083
2084static void igb_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2085{
2086        struct igb_adapter *adapter = netdev_priv(netdev);
2087
2088        wol->wolopts = 0;
2089
2090        if (!(adapter->flags & IGB_FLAG_WOL_SUPPORTED))
2091                return;
2092
2093        wol->supported = WAKE_UCAST | WAKE_MCAST |
2094                         WAKE_BCAST | WAKE_MAGIC |
2095                         WAKE_PHY;
2096
2097        /* apply any specific unsupported masks here */
2098        switch (adapter->hw.device_id) {
2099        default:
2100                break;
2101        }
2102
2103        if (adapter->wol & E1000_WUFC_EX)
2104                wol->wolopts |= WAKE_UCAST;
2105        if (adapter->wol & E1000_WUFC_MC)
2106                wol->wolopts |= WAKE_MCAST;
2107        if (adapter->wol & E1000_WUFC_BC)
2108                wol->wolopts |= WAKE_BCAST;
2109        if (adapter->wol & E1000_WUFC_MAG)
2110                wol->wolopts |= WAKE_MAGIC;
2111        if (adapter->wol & E1000_WUFC_LNKC)
2112                wol->wolopts |= WAKE_PHY;
2113}
2114
2115static int igb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2116{
2117        struct igb_adapter *adapter = netdev_priv(netdev);
2118
2119        if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | WAKE_FILTER))
2120                return -EOPNOTSUPP;
2121
2122        if (!(adapter->flags & IGB_FLAG_WOL_SUPPORTED))
2123                return wol->wolopts ? -EOPNOTSUPP : 0;
2124
2125        /* these settings will always override what we currently have */
2126        adapter->wol = 0;
2127
2128        if (wol->wolopts & WAKE_UCAST)
2129                adapter->wol |= E1000_WUFC_EX;
2130        if (wol->wolopts & WAKE_MCAST)
2131                adapter->wol |= E1000_WUFC_MC;
2132        if (wol->wolopts & WAKE_BCAST)
2133                adapter->wol |= E1000_WUFC_BC;
2134        if (wol->wolopts & WAKE_MAGIC)
2135                adapter->wol |= E1000_WUFC_MAG;
2136        if (wol->wolopts & WAKE_PHY)
2137                adapter->wol |= E1000_WUFC_LNKC;
2138        device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2139
2140        return 0;
2141}
2142
2143/* bit defines for adapter->led_status */
2144#define IGB_LED_ON              0
2145
2146static int igb_set_phys_id(struct net_device *netdev,
2147                           enum ethtool_phys_id_state state)
2148{
2149        struct igb_adapter *adapter = netdev_priv(netdev);
2150        struct e1000_hw *hw = &adapter->hw;
2151
2152        switch (state) {
2153        case ETHTOOL_ID_ACTIVE:
2154                igb_blink_led(hw);
2155                return 2;
2156        case ETHTOOL_ID_ON:
2157                igb_blink_led(hw);
2158                break;
2159        case ETHTOOL_ID_OFF:
2160                igb_led_off(hw);
2161                break;
2162        case ETHTOOL_ID_INACTIVE:
2163                igb_led_off(hw);
2164                clear_bit(IGB_LED_ON, &adapter->led_status);
2165                igb_cleanup_led(hw);
2166                break;
2167        }
2168
2169        return 0;
2170}
2171
2172static int igb_set_coalesce(struct net_device *netdev,
2173                            struct ethtool_coalesce *ec)
2174{
2175        struct igb_adapter *adapter = netdev_priv(netdev);
2176        int i;
2177
2178        if (ec->rx_max_coalesced_frames ||
2179            ec->rx_coalesce_usecs_irq ||
2180            ec->rx_max_coalesced_frames_irq ||
2181            ec->tx_max_coalesced_frames ||
2182            ec->tx_coalesce_usecs_irq ||
2183            ec->stats_block_coalesce_usecs ||
2184            ec->use_adaptive_rx_coalesce ||
2185            ec->use_adaptive_tx_coalesce ||
2186            ec->pkt_rate_low ||
2187            ec->rx_coalesce_usecs_low ||
2188            ec->rx_max_coalesced_frames_low ||
2189            ec->tx_coalesce_usecs_low ||
2190            ec->tx_max_coalesced_frames_low ||
2191            ec->pkt_rate_high ||
2192            ec->rx_coalesce_usecs_high ||
2193            ec->rx_max_coalesced_frames_high ||
2194            ec->tx_coalesce_usecs_high ||
2195            ec->tx_max_coalesced_frames_high ||
2196            ec->rate_sample_interval)
2197                return -ENOTSUPP;
2198
2199        if ((ec->rx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
2200            ((ec->rx_coalesce_usecs > 3) &&
2201             (ec->rx_coalesce_usecs < IGB_MIN_ITR_USECS)) ||
2202            (ec->rx_coalesce_usecs == 2))
2203                return -EINVAL;
2204
2205        if ((ec->tx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
2206            ((ec->tx_coalesce_usecs > 3) &&
2207             (ec->tx_coalesce_usecs < IGB_MIN_ITR_USECS)) ||
2208            (ec->tx_coalesce_usecs == 2))
2209                return -EINVAL;
2210
2211        if ((adapter->flags & IGB_FLAG_QUEUE_PAIRS) && ec->tx_coalesce_usecs)
2212                return -EINVAL;
2213
2214        /* If ITR is disabled, disable DMAC */
2215        if (ec->rx_coalesce_usecs == 0) {
2216                if (adapter->flags & IGB_FLAG_DMAC)
2217                        adapter->flags &= ~IGB_FLAG_DMAC;
2218        }
2219
2220        /* convert to rate of irq's per second */
2221        if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3)
2222                adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2223        else
2224                adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2225
2226        /* convert to rate of irq's per second */
2227        if (adapter->flags & IGB_FLAG_QUEUE_PAIRS)
2228                adapter->tx_itr_setting = adapter->rx_itr_setting;
2229        else if (ec->tx_coalesce_usecs && ec->tx_coalesce_usecs <= 3)
2230                adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2231        else
2232                adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2233
2234        for (i = 0; i < adapter->num_q_vectors; i++) {
2235                struct igb_q_vector *q_vector = adapter->q_vector[i];
2236                q_vector->tx.work_limit = adapter->tx_work_limit;
2237                if (q_vector->rx.ring)
2238                        q_vector->itr_val = adapter->rx_itr_setting;
2239                else
2240                        q_vector->itr_val = adapter->tx_itr_setting;
2241                if (q_vector->itr_val && q_vector->itr_val <= 3)
2242                        q_vector->itr_val = IGB_START_ITR;
2243                q_vector->set_itr = 1;
2244        }
2245
2246        return 0;
2247}
2248
2249static int igb_get_coalesce(struct net_device *netdev,
2250                            struct ethtool_coalesce *ec)
2251{
2252        struct igb_adapter *adapter = netdev_priv(netdev);
2253
2254        if (adapter->rx_itr_setting <= 3)
2255                ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2256        else
2257                ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
2258
2259        if (!(adapter->flags & IGB_FLAG_QUEUE_PAIRS)) {
2260                if (adapter->tx_itr_setting <= 3)
2261                        ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2262                else
2263                        ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
2264        }
2265
2266        return 0;
2267}
2268
2269static int igb_nway_reset(struct net_device *netdev)
2270{
2271        struct igb_adapter *adapter = netdev_priv(netdev);
2272        if (netif_running(netdev))
2273                igb_reinit_locked(adapter);
2274        return 0;
2275}
2276
2277static int igb_get_sset_count(struct net_device *netdev, int sset)
2278{
2279        switch (sset) {
2280        case ETH_SS_STATS:
2281                return IGB_STATS_LEN;
2282        case ETH_SS_TEST:
2283                return IGB_TEST_LEN;
2284        case ETH_SS_PRIV_FLAGS:
2285                return IGB_PRIV_FLAGS_STR_LEN;
2286        default:
2287                return -ENOTSUPP;
2288        }
2289}
2290
2291static void igb_get_ethtool_stats(struct net_device *netdev,
2292                                  struct ethtool_stats *stats, u64 *data)
2293{
2294        struct igb_adapter *adapter = netdev_priv(netdev);
2295        struct rtnl_link_stats64 *net_stats = &adapter->stats64;
2296        unsigned int start;
2297        struct igb_ring *ring;
2298        int i, j;
2299        char *p;
2300
2301        spin_lock(&adapter->stats64_lock);
2302        igb_update_stats(adapter);
2303
2304        for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
2305                p = (char *)adapter + igb_gstrings_stats[i].stat_offset;
2306                data[i] = (igb_gstrings_stats[i].sizeof_stat ==
2307                        sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2308        }
2309        for (j = 0; j < IGB_NETDEV_STATS_LEN; j++, i++) {
2310                p = (char *)net_stats + igb_gstrings_net_stats[j].stat_offset;
2311                data[i] = (igb_gstrings_net_stats[j].sizeof_stat ==
2312                        sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2313        }
2314        for (j = 0; j < adapter->num_tx_queues; j++) {
2315                u64     restart2;
2316
2317                ring = adapter->tx_ring[j];
2318                do {
2319                        start = u64_stats_fetch_begin_irq(&ring->tx_syncp);
2320                        data[i]   = ring->tx_stats.packets;
2321                        data[i+1] = ring->tx_stats.bytes;
2322                        data[i+2] = ring->tx_stats.restart_queue;
2323                } while (u64_stats_fetch_retry_irq(&ring->tx_syncp, start));
2324                do {
2325                        start = u64_stats_fetch_begin_irq(&ring->tx_syncp2);
2326                        restart2  = ring->tx_stats.restart_queue2;
2327                } while (u64_stats_fetch_retry_irq(&ring->tx_syncp2, start));
2328                data[i+2] += restart2;
2329
2330                i += IGB_TX_QUEUE_STATS_LEN;
2331        }
2332        for (j = 0; j < adapter->num_rx_queues; j++) {
2333                ring = adapter->rx_ring[j];
2334                do {
2335                        start = u64_stats_fetch_begin_irq(&ring->rx_syncp);
2336                        data[i]   = ring->rx_stats.packets;
2337                        data[i+1] = ring->rx_stats.bytes;
2338                        data[i+2] = ring->rx_stats.drops;
2339                        data[i+3] = ring->rx_stats.csum_err;
2340                        data[i+4] = ring->rx_stats.alloc_failed;
2341                } while (u64_stats_fetch_retry_irq(&ring->rx_syncp, start));
2342                i += IGB_RX_QUEUE_STATS_LEN;
2343        }
2344        spin_unlock(&adapter->stats64_lock);
2345}
2346
2347static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
2348{
2349        struct igb_adapter *adapter = netdev_priv(netdev);
2350        u8 *p = data;
2351        int i;
2352
2353        switch (stringset) {
2354        case ETH_SS_TEST:
2355                memcpy(data, *igb_gstrings_test,
2356                        IGB_TEST_LEN*ETH_GSTRING_LEN);
2357                break;
2358        case ETH_SS_STATS:
2359                for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
2360                        memcpy(p, igb_gstrings_stats[i].stat_string,
2361                               ETH_GSTRING_LEN);
2362                        p += ETH_GSTRING_LEN;
2363                }
2364                for (i = 0; i < IGB_NETDEV_STATS_LEN; i++) {
2365                        memcpy(p, igb_gstrings_net_stats[i].stat_string,
2366                               ETH_GSTRING_LEN);
2367                        p += ETH_GSTRING_LEN;
2368                }
2369                for (i = 0; i < adapter->num_tx_queues; i++) {
2370                        sprintf(p, "tx_queue_%u_packets", i);
2371                        p += ETH_GSTRING_LEN;
2372                        sprintf(p, "tx_queue_%u_bytes", i);
2373                        p += ETH_GSTRING_LEN;
2374                        sprintf(p, "tx_queue_%u_restart", i);
2375                        p += ETH_GSTRING_LEN;
2376                }
2377                for (i = 0; i < adapter->num_rx_queues; i++) {
2378                        sprintf(p, "rx_queue_%u_packets", i);
2379                        p += ETH_GSTRING_LEN;
2380                        sprintf(p, "rx_queue_%u_bytes", i);
2381                        p += ETH_GSTRING_LEN;
2382                        sprintf(p, "rx_queue_%u_drops", i);
2383                        p += ETH_GSTRING_LEN;
2384                        sprintf(p, "rx_queue_%u_csum_err", i);
2385                        p += ETH_GSTRING_LEN;
2386                        sprintf(p, "rx_queue_%u_alloc_failed", i);
2387                        p += ETH_GSTRING_LEN;
2388                }
2389                /* BUG_ON(p - data != IGB_STATS_LEN * ETH_GSTRING_LEN); */
2390                break;
2391        case ETH_SS_PRIV_FLAGS:
2392                memcpy(data, igb_priv_flags_strings,
2393                       IGB_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
2394                break;
2395        }
2396}
2397
2398static int igb_get_ts_info(struct net_device *dev,
2399                           struct ethtool_ts_info *info)
2400{
2401        struct igb_adapter *adapter = netdev_priv(dev);
2402
2403        if (adapter->ptp_clock)
2404                info->phc_index = ptp_clock_index(adapter->ptp_clock);
2405        else
2406                info->phc_index = -1;
2407
2408        switch (adapter->hw.mac.type) {
2409        case e1000_82575:
2410                info->so_timestamping =
2411                        SOF_TIMESTAMPING_TX_SOFTWARE |
2412                        SOF_TIMESTAMPING_RX_SOFTWARE |
2413                        SOF_TIMESTAMPING_SOFTWARE;
2414                return 0;
2415        case e1000_82576:
2416        case e1000_82580:
2417        case e1000_i350:
2418        case e1000_i354:
2419        case e1000_i210:
2420        case e1000_i211:
2421                info->so_timestamping =
2422                        SOF_TIMESTAMPING_TX_SOFTWARE |
2423                        SOF_TIMESTAMPING_RX_SOFTWARE |
2424                        SOF_TIMESTAMPING_SOFTWARE |
2425                        SOF_TIMESTAMPING_TX_HARDWARE |
2426                        SOF_TIMESTAMPING_RX_HARDWARE |
2427                        SOF_TIMESTAMPING_RAW_HARDWARE;
2428
2429                info->tx_types =
2430                        BIT(HWTSTAMP_TX_OFF) |
2431                        BIT(HWTSTAMP_TX_ON);
2432
2433                info->rx_filters = BIT(HWTSTAMP_FILTER_NONE);
2434
2435                /* 82576 does not support timestamping all packets. */
2436                if (adapter->hw.mac.type >= e1000_82580)
2437                        info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL);
2438                else
2439                        info->rx_filters |=
2440                                BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2441                                BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2442                                BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
2443
2444                return 0;
2445        default:
2446                return -EOPNOTSUPP;
2447        }
2448}
2449
2450#define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
2451static int igb_get_ethtool_nfc_entry(struct igb_adapter *adapter,
2452                                     struct ethtool_rxnfc *cmd)
2453{
2454        struct ethtool_rx_flow_spec *fsp = &cmd->fs;
2455        struct igb_nfc_filter *rule = NULL;
2456
2457        /* report total rule count */
2458        cmd->data = IGB_MAX_RXNFC_FILTERS;
2459
2460        hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
2461                if (fsp->location <= rule->sw_idx)
2462                        break;
2463        }
2464
2465        if (!rule || fsp->location != rule->sw_idx)
2466                return -EINVAL;
2467
2468        if (rule->filter.match_flags) {
2469                fsp->flow_type = ETHER_FLOW;
2470                fsp->ring_cookie = rule->action;
2471                if (rule->filter.match_flags & IGB_FILTER_FLAG_ETHER_TYPE) {
2472                        fsp->h_u.ether_spec.h_proto = rule->filter.etype;
2473                        fsp->m_u.ether_spec.h_proto = ETHER_TYPE_FULL_MASK;
2474                }
2475                if (rule->filter.match_flags & IGB_FILTER_FLAG_VLAN_TCI) {
2476                        fsp->flow_type |= FLOW_EXT;
2477                        fsp->h_ext.vlan_tci = rule->filter.vlan_tci;
2478                        fsp->m_ext.vlan_tci = htons(VLAN_PRIO_MASK);
2479                }
2480                if (rule->filter.match_flags & IGB_FILTER_FLAG_DST_MAC_ADDR) {
2481                        ether_addr_copy(fsp->h_u.ether_spec.h_dest,
2482                                        rule->filter.dst_addr);
2483                        /* As we only support matching by the full
2484                         * mask, return the mask to userspace
2485                         */
2486                        eth_broadcast_addr(fsp->m_u.ether_spec.h_dest);
2487                }
2488                if (rule->filter.match_flags & IGB_FILTER_FLAG_SRC_MAC_ADDR) {
2489                        ether_addr_copy(fsp->h_u.ether_spec.h_source,
2490                                        rule->filter.src_addr);
2491                        /* As we only support matching by the full
2492                         * mask, return the mask to userspace
2493                         */
2494                        eth_broadcast_addr(fsp->m_u.ether_spec.h_source);
2495                }
2496
2497                return 0;
2498        }
2499        return -EINVAL;
2500}
2501
2502static int igb_get_ethtool_nfc_all(struct igb_adapter *adapter,
2503                                   struct ethtool_rxnfc *cmd,
2504                                   u32 *rule_locs)
2505{
2506        struct igb_nfc_filter *rule;
2507        int cnt = 0;
2508
2509        /* report total rule count */
2510        cmd->data = IGB_MAX_RXNFC_FILTERS;
2511
2512        hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
2513                if (cnt == cmd->rule_cnt)
2514                        return -EMSGSIZE;
2515                rule_locs[cnt] = rule->sw_idx;
2516                cnt++;
2517        }
2518
2519        cmd->rule_cnt = cnt;
2520
2521        return 0;
2522}
2523
2524static int igb_get_rss_hash_opts(struct igb_adapter *adapter,
2525                                 struct ethtool_rxnfc *cmd)
2526{
2527        cmd->data = 0;
2528
2529        /* Report default options for RSS on igb */
2530        switch (cmd->flow_type) {
2531        case TCP_V4_FLOW:
2532                cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2533                /* Fall through */
2534        case UDP_V4_FLOW:
2535                if (adapter->flags & IGB_FLAG_RSS_FIELD_IPV4_UDP)
2536                        cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2537                /* Fall through */
2538        case SCTP_V4_FLOW:
2539        case AH_ESP_V4_FLOW:
2540        case AH_V4_FLOW:
2541        case ESP_V4_FLOW:
2542        case IPV4_FLOW:
2543                cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2544                break;
2545        case TCP_V6_FLOW:
2546                cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2547                /* Fall through */
2548        case UDP_V6_FLOW:
2549                if (adapter->flags & IGB_FLAG_RSS_FIELD_IPV6_UDP)
2550                        cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2551                /* Fall through */
2552        case SCTP_V6_FLOW:
2553        case AH_ESP_V6_FLOW:
2554        case AH_V6_FLOW:
2555        case ESP_V6_FLOW:
2556        case IPV6_FLOW:
2557                cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2558                break;
2559        default:
2560                return -EINVAL;
2561        }
2562
2563        return 0;
2564}
2565
2566static int igb_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2567                         u32 *rule_locs)
2568{
2569        struct igb_adapter *adapter = netdev_priv(dev);
2570        int ret = -EOPNOTSUPP;
2571
2572        switch (cmd->cmd) {
2573        case ETHTOOL_GRXRINGS:
2574                cmd->data = adapter->num_rx_queues;
2575                ret = 0;
2576                break;
2577        case ETHTOOL_GRXCLSRLCNT:
2578                cmd->rule_cnt = adapter->nfc_filter_count;
2579                ret = 0;
2580                break;
2581        case ETHTOOL_GRXCLSRULE:
2582                ret = igb_get_ethtool_nfc_entry(adapter, cmd);
2583                break;
2584        case ETHTOOL_GRXCLSRLALL:
2585                ret = igb_get_ethtool_nfc_all(adapter, cmd, rule_locs);
2586                break;
2587        case ETHTOOL_GRXFH:
2588                ret = igb_get_rss_hash_opts(adapter, cmd);
2589                break;
2590        default:
2591                break;
2592        }
2593
2594        return ret;
2595}
2596
2597#define UDP_RSS_FLAGS (IGB_FLAG_RSS_FIELD_IPV4_UDP | \
2598                       IGB_FLAG_RSS_FIELD_IPV6_UDP)
2599static int igb_set_rss_hash_opt(struct igb_adapter *adapter,
2600                                struct ethtool_rxnfc *nfc)
2601{
2602        u32 flags = adapter->flags;
2603
2604        /* RSS does not support anything other than hashing
2605         * to queues on src and dst IPs and ports
2606         */
2607        if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2608                          RXH_L4_B_0_1 | RXH_L4_B_2_3))
2609                return -EINVAL;
2610
2611        switch (nfc->flow_type) {
2612        case TCP_V4_FLOW:
2613        case TCP_V6_FLOW:
2614                if (!(nfc->data & RXH_IP_SRC) ||
2615                    !(nfc->data & RXH_IP_DST) ||
2616                    !(nfc->data & RXH_L4_B_0_1) ||
2617                    !(nfc->data & RXH_L4_B_2_3))
2618                        return -EINVAL;
2619                break;
2620        case UDP_V4_FLOW:
2621                if (!(nfc->data & RXH_IP_SRC) ||
2622                    !(nfc->data & RXH_IP_DST))
2623                        return -EINVAL;
2624                switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2625                case 0:
2626                        flags &= ~IGB_FLAG_RSS_FIELD_IPV4_UDP;
2627                        break;
2628                case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2629                        flags |= IGB_FLAG_RSS_FIELD_IPV4_UDP;
2630                        break;
2631                default:
2632                        return -EINVAL;
2633                }
2634                break;
2635        case UDP_V6_FLOW:
2636                if (!(nfc->data & RXH_IP_SRC) ||
2637                    !(nfc->data & RXH_IP_DST))
2638                        return -EINVAL;
2639                switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2640                case 0:
2641                        flags &= ~IGB_FLAG_RSS_FIELD_IPV6_UDP;
2642                        break;
2643                case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2644                        flags |= IGB_FLAG_RSS_FIELD_IPV6_UDP;
2645                        break;
2646                default:
2647                        return -EINVAL;
2648                }
2649                break;
2650        case AH_ESP_V4_FLOW:
2651        case AH_V4_FLOW:
2652        case ESP_V4_FLOW:
2653        case SCTP_V4_FLOW:
2654        case AH_ESP_V6_FLOW:
2655        case AH_V6_FLOW:
2656        case ESP_V6_FLOW:
2657        case SCTP_V6_FLOW:
2658                if (!(nfc->data & RXH_IP_SRC) ||
2659                    !(nfc->data & RXH_IP_DST) ||
2660                    (nfc->data & RXH_L4_B_0_1) ||
2661                    (nfc->data & RXH_L4_B_2_3))
2662                        return -EINVAL;
2663                break;
2664        default:
2665                return -EINVAL;
2666        }
2667
2668        /* if we changed something we need to update flags */
2669        if (flags != adapter->flags) {
2670                struct e1000_hw *hw = &adapter->hw;
2671                u32 mrqc = rd32(E1000_MRQC);
2672
2673                if ((flags & UDP_RSS_FLAGS) &&
2674                    !(adapter->flags & UDP_RSS_FLAGS))
2675                        dev_err(&adapter->pdev->dev,
2676                                "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
2677
2678                adapter->flags = flags;
2679
2680                /* Perform hash on these packet types */
2681                mrqc |= E1000_MRQC_RSS_FIELD_IPV4 |
2682                        E1000_MRQC_RSS_FIELD_IPV4_TCP |
2683                        E1000_MRQC_RSS_FIELD_IPV6 |
2684                        E1000_MRQC_RSS_FIELD_IPV6_TCP;
2685
2686                mrqc &= ~(E1000_MRQC_RSS_FIELD_IPV4_UDP |
2687                          E1000_MRQC_RSS_FIELD_IPV6_UDP);
2688
2689                if (flags & IGB_FLAG_RSS_FIELD_IPV4_UDP)
2690                        mrqc |= E1000_MRQC_RSS_FIELD_IPV4_UDP;
2691
2692                if (flags & IGB_FLAG_RSS_FIELD_IPV6_UDP)
2693                        mrqc |= E1000_MRQC_RSS_FIELD_IPV6_UDP;
2694
2695                wr32(E1000_MRQC, mrqc);
2696        }
2697
2698        return 0;
2699}
2700
2701static int igb_rxnfc_write_etype_filter(struct igb_adapter *adapter,
2702                                        struct igb_nfc_filter *input)
2703{
2704        struct e1000_hw *hw = &adapter->hw;
2705        u8 i;
2706        u32 etqf;
2707        u16 etype;
2708
2709        /* find an empty etype filter register */
2710        for (i = 0; i < MAX_ETYPE_FILTER; ++i) {
2711                if (!adapter->etype_bitmap[i])
2712                        break;
2713        }
2714        if (i == MAX_ETYPE_FILTER) {
2715                dev_err(&adapter->pdev->dev, "ethtool -N: etype filters are all used.\n");
2716                return -EINVAL;
2717        }
2718
2719        adapter->etype_bitmap[i] = true;
2720
2721        etqf = rd32(E1000_ETQF(i));
2722        etype = ntohs(input->filter.etype & ETHER_TYPE_FULL_MASK);
2723
2724        etqf |= E1000_ETQF_FILTER_ENABLE;
2725        etqf &= ~E1000_ETQF_ETYPE_MASK;
2726        etqf |= (etype & E1000_ETQF_ETYPE_MASK);
2727
2728        etqf &= ~E1000_ETQF_QUEUE_MASK;
2729        etqf |= ((input->action << E1000_ETQF_QUEUE_SHIFT)
2730                & E1000_ETQF_QUEUE_MASK);
2731        etqf |= E1000_ETQF_QUEUE_ENABLE;
2732
2733        wr32(E1000_ETQF(i), etqf);
2734
2735        input->etype_reg_index = i;
2736
2737        return 0;
2738}
2739
2740static int igb_rxnfc_write_vlan_prio_filter(struct igb_adapter *adapter,
2741                                            struct igb_nfc_filter *input)
2742{
2743        struct e1000_hw *hw = &adapter->hw;
2744        u8 vlan_priority;
2745        u16 queue_index;
2746        u32 vlapqf;
2747
2748        vlapqf = rd32(E1000_VLAPQF);
2749        vlan_priority = (ntohs(input->filter.vlan_tci) & VLAN_PRIO_MASK)
2750                                >> VLAN_PRIO_SHIFT;
2751        queue_index = (vlapqf >> (vlan_priority * 4)) & E1000_VLAPQF_QUEUE_MASK;
2752
2753        /* check whether this vlan prio is already set */
2754        if ((vlapqf & E1000_VLAPQF_P_VALID(vlan_priority)) &&
2755            (queue_index != input->action)) {
2756                dev_err(&adapter->pdev->dev, "ethtool rxnfc set vlan prio filter failed.\n");
2757                return -EEXIST;
2758        }
2759
2760        vlapqf |= E1000_VLAPQF_P_VALID(vlan_priority);
2761        vlapqf |= E1000_VLAPQF_QUEUE_SEL(vlan_priority, input->action);
2762
2763        wr32(E1000_VLAPQF, vlapqf);
2764
2765        return 0;
2766}
2767
2768int igb_add_filter(struct igb_adapter *adapter, struct igb_nfc_filter *input)
2769{
2770        struct e1000_hw *hw = &adapter->hw;
2771        int err = -EINVAL;
2772
2773        if (hw->mac.type == e1000_i210 &&
2774            !(input->filter.match_flags & ~IGB_FILTER_FLAG_SRC_MAC_ADDR)) {
2775                dev_err(&adapter->pdev->dev,
2776                        "i210 doesn't support flow classification rules specifying only source addresses.\n");
2777                return -EOPNOTSUPP;
2778        }
2779
2780        if (input->filter.match_flags & IGB_FILTER_FLAG_ETHER_TYPE) {
2781                err = igb_rxnfc_write_etype_filter(adapter, input);
2782                if (err)
2783                        return err;
2784        }
2785
2786        if (input->filter.match_flags & IGB_FILTER_FLAG_DST_MAC_ADDR) {
2787                err = igb_add_mac_steering_filter(adapter,
2788                                                  input->filter.dst_addr,
2789                                                  input->action, 0);
2790                err = min_t(int, err, 0);
2791                if (err)
2792                        return err;
2793        }
2794
2795        if (input->filter.match_flags & IGB_FILTER_FLAG_SRC_MAC_ADDR) {
2796                err = igb_add_mac_steering_filter(adapter,
2797                                                  input->filter.src_addr,
2798                                                  input->action,
2799                                                  IGB_MAC_STATE_SRC_ADDR);
2800                err = min_t(int, err, 0);
2801                if (err)
2802                        return err;
2803        }
2804
2805        if (input->filter.match_flags & IGB_FILTER_FLAG_VLAN_TCI)
2806                err = igb_rxnfc_write_vlan_prio_filter(adapter, input);
2807
2808        return err;
2809}
2810
2811static void igb_clear_etype_filter_regs(struct igb_adapter *adapter,
2812                                        u16 reg_index)
2813{
2814        struct e1000_hw *hw = &adapter->hw;
2815        u32 etqf = rd32(E1000_ETQF(reg_index));
2816
2817        etqf &= ~E1000_ETQF_QUEUE_ENABLE;
2818        etqf &= ~E1000_ETQF_QUEUE_MASK;
2819        etqf &= ~E1000_ETQF_FILTER_ENABLE;
2820
2821        wr32(E1000_ETQF(reg_index), etqf);
2822
2823        adapter->etype_bitmap[reg_index] = false;
2824}
2825
2826static void igb_clear_vlan_prio_filter(struct igb_adapter *adapter,
2827                                       u16 vlan_tci)
2828{
2829        struct e1000_hw *hw = &adapter->hw;
2830        u8 vlan_priority;
2831        u32 vlapqf;
2832
2833        vlan_priority = (vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
2834
2835        vlapqf = rd32(E1000_VLAPQF);
2836        vlapqf &= ~E1000_VLAPQF_P_VALID(vlan_priority);
2837        vlapqf &= ~E1000_VLAPQF_QUEUE_SEL(vlan_priority,
2838                                                E1000_VLAPQF_QUEUE_MASK);
2839
2840        wr32(E1000_VLAPQF, vlapqf);
2841}
2842
2843int igb_erase_filter(struct igb_adapter *adapter, struct igb_nfc_filter *input)
2844{
2845        if (input->filter.match_flags & IGB_FILTER_FLAG_ETHER_TYPE)
2846                igb_clear_etype_filter_regs(adapter,
2847                                            input->etype_reg_index);
2848
2849        if (input->filter.match_flags & IGB_FILTER_FLAG_VLAN_TCI)
2850                igb_clear_vlan_prio_filter(adapter,
2851                                           ntohs(input->filter.vlan_tci));
2852
2853        if (input->filter.match_flags & IGB_FILTER_FLAG_SRC_MAC_ADDR)
2854                igb_del_mac_steering_filter(adapter, input->filter.src_addr,
2855                                            input->action,
2856                                            IGB_MAC_STATE_SRC_ADDR);
2857
2858        if (input->filter.match_flags & IGB_FILTER_FLAG_DST_MAC_ADDR)
2859                igb_del_mac_steering_filter(adapter, input->filter.dst_addr,
2860                                            input->action, 0);
2861
2862        return 0;
2863}
2864
2865static int igb_update_ethtool_nfc_entry(struct igb_adapter *adapter,
2866                                        struct igb_nfc_filter *input,
2867                                        u16 sw_idx)
2868{
2869        struct igb_nfc_filter *rule, *parent;
2870        int err = -EINVAL;
2871
2872        parent = NULL;
2873        rule = NULL;
2874
2875        hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
2876                /* hash found, or no matching entry */
2877                if (rule->sw_idx >= sw_idx)
2878                        break;
2879                parent = rule;
2880        }
2881
2882        /* if there is an old rule occupying our place remove it */
2883        if (rule && (rule->sw_idx == sw_idx)) {
2884                if (!input)
2885                        err = igb_erase_filter(adapter, rule);
2886
2887                hlist_del(&rule->nfc_node);
2888                kfree(rule);
2889                adapter->nfc_filter_count--;
2890        }
2891
2892        /* If no input this was a delete, err should be 0 if a rule was
2893         * successfully found and removed from the list else -EINVAL
2894         */
2895        if (!input)
2896                return err;
2897
2898        /* initialize node */
2899        INIT_HLIST_NODE(&input->nfc_node);
2900
2901        /* add filter to the list */
2902        if (parent)
2903                hlist_add_behind(&input->nfc_node, &parent->nfc_node);
2904        else
2905                hlist_add_head(&input->nfc_node, &adapter->nfc_filter_list);
2906
2907        /* update counts */
2908        adapter->nfc_filter_count++;
2909
2910        return 0;
2911}
2912
2913static int igb_add_ethtool_nfc_entry(struct igb_adapter *adapter,
2914                                     struct ethtool_rxnfc *cmd)
2915{
2916        struct net_device *netdev = adapter->netdev;
2917        struct ethtool_rx_flow_spec *fsp =
2918                (struct ethtool_rx_flow_spec *)&cmd->fs;
2919        struct igb_nfc_filter *input, *rule;
2920        int err = 0;
2921
2922        if (!(netdev->hw_features & NETIF_F_NTUPLE))
2923                return -EOPNOTSUPP;
2924
2925        /* Don't allow programming if the action is a queue greater than
2926         * the number of online Rx queues.
2927         */
2928        if ((fsp->ring_cookie == RX_CLS_FLOW_DISC) ||
2929            (fsp->ring_cookie >= adapter->num_rx_queues)) {
2930                dev_err(&adapter->pdev->dev, "ethtool -N: The specified action is invalid\n");
2931                return -EINVAL;
2932        }
2933
2934        /* Don't allow indexes to exist outside of available space */
2935        if (fsp->location >= IGB_MAX_RXNFC_FILTERS) {
2936                dev_err(&adapter->pdev->dev, "Location out of range\n");
2937                return -EINVAL;
2938        }
2939
2940        if ((fsp->flow_type & ~FLOW_EXT) != ETHER_FLOW)
2941                return -EINVAL;
2942
2943        input = kzalloc(sizeof(*input), GFP_KERNEL);
2944        if (!input)
2945                return -ENOMEM;
2946
2947        if (fsp->m_u.ether_spec.h_proto == ETHER_TYPE_FULL_MASK) {
2948                input->filter.etype = fsp->h_u.ether_spec.h_proto;
2949                input->filter.match_flags = IGB_FILTER_FLAG_ETHER_TYPE;
2950        }
2951
2952        /* Only support matching addresses by the full mask */
2953        if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_source)) {
2954                input->filter.match_flags |= IGB_FILTER_FLAG_SRC_MAC_ADDR;
2955                ether_addr_copy(input->filter.src_addr,
2956                                fsp->h_u.ether_spec.h_source);
2957        }
2958
2959        /* Only support matching addresses by the full mask */
2960        if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_dest)) {
2961                input->filter.match_flags |= IGB_FILTER_FLAG_DST_MAC_ADDR;
2962                ether_addr_copy(input->filter.dst_addr,
2963                                fsp->h_u.ether_spec.h_dest);
2964        }
2965
2966        if ((fsp->flow_type & FLOW_EXT) && fsp->m_ext.vlan_tci) {
2967                if (fsp->m_ext.vlan_tci != htons(VLAN_PRIO_MASK)) {
2968                        err = -EINVAL;
2969                        goto err_out;
2970                }
2971                input->filter.vlan_tci = fsp->h_ext.vlan_tci;
2972                input->filter.match_flags |= IGB_FILTER_FLAG_VLAN_TCI;
2973        }
2974
2975        input->action = fsp->ring_cookie;
2976        input->sw_idx = fsp->location;
2977
2978        spin_lock(&adapter->nfc_lock);
2979
2980        hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
2981                if (!memcmp(&input->filter, &rule->filter,
2982                            sizeof(input->filter))) {
2983                        err = -EEXIST;
2984                        dev_err(&adapter->pdev->dev,
2985                                "ethtool: this filter is already set\n");
2986                        goto err_out_w_lock;
2987                }
2988        }
2989
2990        err = igb_add_filter(adapter, input);
2991        if (err)
2992                goto err_out_w_lock;
2993
2994        igb_update_ethtool_nfc_entry(adapter, input, input->sw_idx);
2995
2996        spin_unlock(&adapter->nfc_lock);
2997        return 0;
2998
2999err_out_w_lock:
3000        spin_unlock(&adapter->nfc_lock);
3001err_out:
3002        kfree(input);
3003        return err;
3004}
3005
3006static int igb_del_ethtool_nfc_entry(struct igb_adapter *adapter,
3007                                     struct ethtool_rxnfc *cmd)
3008{
3009        struct ethtool_rx_flow_spec *fsp =
3010                (struct ethtool_rx_flow_spec *)&cmd->fs;
3011        int err;
3012
3013        spin_lock(&adapter->nfc_lock);
3014        err = igb_update_ethtool_nfc_entry(adapter, NULL, fsp->location);
3015        spin_unlock(&adapter->nfc_lock);
3016
3017        return err;
3018}
3019
3020static int igb_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
3021{
3022        struct igb_adapter *adapter = netdev_priv(dev);
3023        int ret = -EOPNOTSUPP;
3024
3025        switch (cmd->cmd) {
3026        case ETHTOOL_SRXFH:
3027                ret = igb_set_rss_hash_opt(adapter, cmd);
3028                break;
3029        case ETHTOOL_SRXCLSRLINS:
3030                ret = igb_add_ethtool_nfc_entry(adapter, cmd);
3031                break;
3032        case ETHTOOL_SRXCLSRLDEL:
3033                ret = igb_del_ethtool_nfc_entry(adapter, cmd);
3034        default:
3035                break;
3036        }
3037
3038        return ret;
3039}
3040
3041static int igb_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
3042{
3043        struct igb_adapter *adapter = netdev_priv(netdev);
3044        struct e1000_hw *hw = &adapter->hw;
3045        u32 ret_val;
3046        u16 phy_data;
3047
3048        if ((hw->mac.type < e1000_i350) ||
3049            (hw->phy.media_type != e1000_media_type_copper))
3050                return -EOPNOTSUPP;
3051
3052        edata->supported = (SUPPORTED_1000baseT_Full |
3053                            SUPPORTED_100baseT_Full);
3054        if (!hw->dev_spec._82575.eee_disable)
3055                edata->advertised =
3056                        mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
3057
3058        /* The IPCNFG and EEER registers are not supported on I354. */
3059        if (hw->mac.type == e1000_i354) {
3060                igb_get_eee_status_i354(hw, (bool *)&edata->eee_active);
3061        } else {
3062                u32 eeer;
3063
3064                eeer = rd32(E1000_EEER);
3065
3066                /* EEE status on negotiated link */
3067                if (eeer & E1000_EEER_EEE_NEG)
3068                        edata->eee_active = true;
3069
3070                if (eeer & E1000_EEER_TX_LPI_EN)
3071                        edata->tx_lpi_enabled = true;
3072        }
3073
3074        /* EEE Link Partner Advertised */
3075        switch (hw->mac.type) {
3076        case e1000_i350:
3077                ret_val = igb_read_emi_reg(hw, E1000_EEE_LP_ADV_ADDR_I350,
3078                                           &phy_data);
3079                if (ret_val)
3080                        return -ENODATA;
3081
3082                edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
3083                break;
3084        case e1000_i354:
3085        case e1000_i210:
3086        case e1000_i211:
3087                ret_val = igb_read_xmdio_reg(hw, E1000_EEE_LP_ADV_ADDR_I210,
3088                                             E1000_EEE_LP_ADV_DEV_I210,
3089                                             &phy_data);
3090                if (ret_val)
3091                        return -ENODATA;
3092
3093                edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
3094
3095                break;
3096        default:
3097                break;
3098        }
3099
3100        edata->eee_enabled = !hw->dev_spec._82575.eee_disable;
3101
3102        if ((hw->mac.type == e1000_i354) &&
3103            (edata->eee_enabled))
3104                edata->tx_lpi_enabled = true;
3105
3106        /* Report correct negotiated EEE status for devices that
3107         * wrongly report EEE at half-duplex
3108         */
3109        if (adapter->link_duplex == HALF_DUPLEX) {
3110                edata->eee_enabled = false;
3111                edata->eee_active = false;
3112                edata->tx_lpi_enabled = false;
3113                edata->advertised &= ~edata->advertised;
3114        }
3115
3116        return 0;
3117}
3118
3119static int igb_set_eee(struct net_device *netdev,
3120                       struct ethtool_eee *edata)
3121{
3122        struct igb_adapter *adapter = netdev_priv(netdev);
3123        struct e1000_hw *hw = &adapter->hw;
3124        struct ethtool_eee eee_curr;
3125        bool adv1g_eee = true, adv100m_eee = true;
3126        s32 ret_val;
3127
3128        if ((hw->mac.type < e1000_i350) ||
3129            (hw->phy.media_type != e1000_media_type_copper))
3130                return -EOPNOTSUPP;
3131
3132        memset(&eee_curr, 0, sizeof(struct ethtool_eee));
3133
3134        ret_val = igb_get_eee(netdev, &eee_curr);
3135        if (ret_val)
3136                return ret_val;
3137
3138        if (eee_curr.eee_enabled) {
3139                if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
3140                        dev_err(&adapter->pdev->dev,
3141                                "Setting EEE tx-lpi is not supported\n");
3142                        return -EINVAL;
3143                }
3144
3145                /* Tx LPI timer is not implemented currently */
3146                if (edata->tx_lpi_timer) {
3147                        dev_err(&adapter->pdev->dev,
3148                                "Setting EEE Tx LPI timer is not supported\n");
3149                        return -EINVAL;
3150                }
3151
3152                if (!edata->advertised || (edata->advertised &
3153                    ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL))) {
3154                        dev_err(&adapter->pdev->dev,
3155                                "EEE Advertisement supports only 100Tx and/or 100T full duplex\n");
3156                        return -EINVAL;
3157                }
3158                adv100m_eee = !!(edata->advertised & ADVERTISE_100_FULL);
3159                adv1g_eee = !!(edata->advertised & ADVERTISE_1000_FULL);
3160
3161        } else if (!edata->eee_enabled) {
3162                dev_err(&adapter->pdev->dev,
3163                        "Setting EEE options are not supported with EEE disabled\n");
3164                return -EINVAL;
3165        }
3166
3167        adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
3168        if (hw->dev_spec._82575.eee_disable != !edata->eee_enabled) {
3169                hw->dev_spec._82575.eee_disable = !edata->eee_enabled;
3170                adapter->flags |= IGB_FLAG_EEE;
3171
3172                /* reset link */
3173                if (netif_running(netdev))
3174                        igb_reinit_locked(adapter);
3175                else
3176                        igb_reset(adapter);
3177        }
3178
3179        if (hw->mac.type == e1000_i354)
3180                ret_val = igb_set_eee_i354(hw, adv1g_eee, adv100m_eee);
3181        else
3182                ret_val = igb_set_eee_i350(hw, adv1g_eee, adv100m_eee);
3183
3184        if (ret_val) {
3185                dev_err(&adapter->pdev->dev,
3186                        "Problem setting EEE advertisement options\n");
3187                return -EINVAL;
3188        }
3189
3190        return 0;
3191}
3192
3193static int igb_get_module_info(struct net_device *netdev,
3194                               struct ethtool_modinfo *modinfo)
3195{
3196        struct igb_adapter *adapter = netdev_priv(netdev);
3197        struct e1000_hw *hw = &adapter->hw;
3198        u32 status = 0;
3199        u16 sff8472_rev, addr_mode;
3200        bool page_swap = false;
3201
3202        if ((hw->phy.media_type == e1000_media_type_copper) ||
3203            (hw->phy.media_type == e1000_media_type_unknown))
3204                return -EOPNOTSUPP;
3205
3206        /* Check whether we support SFF-8472 or not */
3207        status = igb_read_phy_reg_i2c(hw, IGB_SFF_8472_COMP, &sff8472_rev);
3208        if (status)
3209                return -EIO;
3210
3211        /* addressing mode is not supported */
3212        status = igb_read_phy_reg_i2c(hw, IGB_SFF_8472_SWAP, &addr_mode);
3213        if (status)
3214                return -EIO;
3215
3216        /* addressing mode is not supported */
3217        if ((addr_mode & 0xFF) & IGB_SFF_ADDRESSING_MODE) {
3218                hw_dbg("Address change required to access page 0xA2, but not supported. Please report the module type to the driver maintainers.\n");
3219                page_swap = true;
3220        }
3221
3222        if ((sff8472_rev & 0xFF) == IGB_SFF_8472_UNSUP || page_swap) {
3223                /* We have an SFP, but it does not support SFF-8472 */
3224                modinfo->type = ETH_MODULE_SFF_8079;
3225                modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3226        } else {
3227                /* We have an SFP which supports a revision of SFF-8472 */
3228                modinfo->type = ETH_MODULE_SFF_8472;
3229                modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3230        }
3231
3232        return 0;
3233}
3234
3235static int igb_get_module_eeprom(struct net_device *netdev,
3236                                 struct ethtool_eeprom *ee, u8 *data)
3237{
3238        struct igb_adapter *adapter = netdev_priv(netdev);
3239        struct e1000_hw *hw = &adapter->hw;
3240        u32 status = 0;
3241        u16 *dataword;
3242        u16 first_word, last_word;
3243        int i = 0;
3244
3245        if (ee->len == 0)
3246                return -EINVAL;
3247
3248        first_word = ee->offset >> 1;
3249        last_word = (ee->offset + ee->len - 1) >> 1;
3250
3251        dataword = kmalloc_array(last_word - first_word + 1, sizeof(u16),
3252                                 GFP_KERNEL);
3253        if (!dataword)
3254                return -ENOMEM;
3255
3256        /* Read EEPROM block, SFF-8079/SFF-8472, word at a time */
3257        for (i = 0; i < last_word - first_word + 1; i++) {
3258                status = igb_read_phy_reg_i2c(hw, (first_word + i) * 2,
3259                                              &dataword[i]);
3260                if (status) {
3261                        /* Error occurred while reading module */
3262                        kfree(dataword);
3263                        return -EIO;
3264                }
3265
3266                be16_to_cpus(&dataword[i]);
3267        }
3268
3269        memcpy(data, (u8 *)dataword + (ee->offset & 1), ee->len);
3270        kfree(dataword);
3271
3272        return 0;
3273}
3274
3275static int igb_ethtool_begin(struct net_device *netdev)
3276{
3277        struct igb_adapter *adapter = netdev_priv(netdev);
3278        pm_runtime_get_sync(&adapter->pdev->dev);
3279        return 0;
3280}
3281
3282static void igb_ethtool_complete(struct net_device *netdev)
3283{
3284        struct igb_adapter *adapter = netdev_priv(netdev);
3285        pm_runtime_put(&adapter->pdev->dev);
3286}
3287
3288static u32 igb_get_rxfh_indir_size(struct net_device *netdev)
3289{
3290        return IGB_RETA_SIZE;
3291}
3292
3293static int igb_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
3294                        u8 *hfunc)
3295{
3296        struct igb_adapter *adapter = netdev_priv(netdev);
3297        int i;
3298
3299        if (hfunc)
3300                *hfunc = ETH_RSS_HASH_TOP;
3301        if (!indir)
3302                return 0;
3303        for (i = 0; i < IGB_RETA_SIZE; i++)
3304                indir[i] = adapter->rss_indir_tbl[i];
3305
3306        return 0;
3307}
3308
3309void igb_write_rss_indir_tbl(struct igb_adapter *adapter)
3310{
3311        struct e1000_hw *hw = &adapter->hw;
3312        u32 reg = E1000_RETA(0);
3313        u32 shift = 0;
3314        int i = 0;
3315
3316        switch (hw->mac.type) {
3317        case e1000_82575:
3318                shift = 6;
3319                break;
3320        case e1000_82576:
3321                /* 82576 supports 2 RSS queues for SR-IOV */
3322                if (adapter->vfs_allocated_count)
3323                        shift = 3;
3324                break;
3325        default:
3326                break;
3327        }
3328
3329        while (i < IGB_RETA_SIZE) {
3330                u32 val = 0;
3331                int j;
3332
3333                for (j = 3; j >= 0; j--) {
3334                        val <<= 8;
3335                        val |= adapter->rss_indir_tbl[i + j];
3336                }
3337
3338                wr32(reg, val << shift);
3339                reg += 4;
3340                i += 4;
3341        }
3342}
3343
3344static int igb_set_rxfh(struct net_device *netdev, const u32 *indir,
3345                        const u8 *key, const u8 hfunc)
3346{
3347        struct igb_adapter *adapter = netdev_priv(netdev);
3348        struct e1000_hw *hw = &adapter->hw;
3349        int i;
3350        u32 num_queues;
3351
3352        /* We do not allow change in unsupported parameters */
3353        if (key ||
3354            (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
3355                return -EOPNOTSUPP;
3356        if (!indir)
3357                return 0;
3358
3359        num_queues = adapter->rss_queues;
3360
3361        switch (hw->mac.type) {
3362        case e1000_82576:
3363                /* 82576 supports 2 RSS queues for SR-IOV */
3364                if (adapter->vfs_allocated_count)
3365                        num_queues = 2;
3366                break;
3367        default:
3368                break;
3369        }
3370
3371        /* Verify user input. */
3372        for (i = 0; i < IGB_RETA_SIZE; i++)
3373                if (indir[i] >= num_queues)
3374                        return -EINVAL;
3375
3376
3377        for (i = 0; i < IGB_RETA_SIZE; i++)
3378                adapter->rss_indir_tbl[i] = indir[i];
3379
3380        igb_write_rss_indir_tbl(adapter);
3381
3382        return 0;
3383}
3384
3385static unsigned int igb_max_channels(struct igb_adapter *adapter)
3386{
3387        return igb_get_max_rss_queues(adapter);
3388}
3389
3390static void igb_get_channels(struct net_device *netdev,
3391                             struct ethtool_channels *ch)
3392{
3393        struct igb_adapter *adapter = netdev_priv(netdev);
3394
3395        /* Report maximum channels */
3396        ch->max_combined = igb_max_channels(adapter);
3397
3398        /* Report info for other vector */
3399        if (adapter->flags & IGB_FLAG_HAS_MSIX) {
3400                ch->max_other = NON_Q_VECTORS;
3401                ch->other_count = NON_Q_VECTORS;
3402        }
3403
3404        ch->combined_count = adapter->rss_queues;
3405}
3406
3407static int igb_set_channels(struct net_device *netdev,
3408                            struct ethtool_channels *ch)
3409{
3410        struct igb_adapter *adapter = netdev_priv(netdev);
3411        unsigned int count = ch->combined_count;
3412        unsigned int max_combined = 0;
3413
3414        /* Verify they are not requesting separate vectors */
3415        if (!count || ch->rx_count || ch->tx_count)
3416                return -EINVAL;
3417
3418        /* Verify other_count is valid and has not been changed */
3419        if (ch->other_count != NON_Q_VECTORS)
3420                return -EINVAL;
3421
3422        /* Verify the number of channels doesn't exceed hw limits */
3423        max_combined = igb_max_channels(adapter);
3424        if (count > max_combined)
3425                return -EINVAL;
3426
3427        if (count != adapter->rss_queues) {
3428                adapter->rss_queues = count;
3429                igb_set_flag_queue_pairs(adapter, max_combined);
3430
3431                /* Hardware has to reinitialize queues and interrupts to
3432                 * match the new configuration.
3433                 */
3434                return igb_reinit_queues(adapter);
3435        }
3436
3437        return 0;
3438}
3439
3440static u32 igb_get_priv_flags(struct net_device *netdev)
3441{
3442        struct igb_adapter *adapter = netdev_priv(netdev);
3443        u32 priv_flags = 0;
3444
3445        if (adapter->flags & IGB_FLAG_RX_LEGACY)
3446                priv_flags |= IGB_PRIV_FLAGS_LEGACY_RX;
3447
3448        return priv_flags;
3449}
3450
3451static int igb_set_priv_flags(struct net_device *netdev, u32 priv_flags)
3452{
3453        struct igb_adapter *adapter = netdev_priv(netdev);
3454        unsigned int flags = adapter->flags;
3455
3456        flags &= ~IGB_FLAG_RX_LEGACY;
3457        if (priv_flags & IGB_PRIV_FLAGS_LEGACY_RX)
3458                flags |= IGB_FLAG_RX_LEGACY;
3459
3460        if (flags != adapter->flags) {
3461                adapter->flags = flags;
3462
3463                /* reset interface to repopulate queues */
3464                if (netif_running(netdev))
3465                        igb_reinit_locked(adapter);
3466        }
3467
3468        return 0;
3469}
3470
3471static const struct ethtool_ops igb_ethtool_ops = {
3472        .get_drvinfo            = igb_get_drvinfo,
3473        .get_regs_len           = igb_get_regs_len,
3474        .get_regs               = igb_get_regs,
3475        .get_wol                = igb_get_wol,
3476        .set_wol                = igb_set_wol,
3477        .get_msglevel           = igb_get_msglevel,
3478        .set_msglevel           = igb_set_msglevel,
3479        .nway_reset             = igb_nway_reset,
3480        .get_link               = igb_get_link,
3481        .get_eeprom_len         = igb_get_eeprom_len,
3482        .get_eeprom             = igb_get_eeprom,
3483        .set_eeprom             = igb_set_eeprom,
3484        .get_ringparam          = igb_get_ringparam,
3485        .set_ringparam          = igb_set_ringparam,
3486        .get_pauseparam         = igb_get_pauseparam,
3487        .set_pauseparam         = igb_set_pauseparam,
3488        .self_test              = igb_diag_test,
3489        .get_strings            = igb_get_strings,
3490        .set_phys_id            = igb_set_phys_id,
3491        .get_sset_count         = igb_get_sset_count,
3492        .get_ethtool_stats      = igb_get_ethtool_stats,
3493        .get_coalesce           = igb_get_coalesce,
3494        .set_coalesce           = igb_set_coalesce,
3495        .get_ts_info            = igb_get_ts_info,
3496        .get_rxnfc              = igb_get_rxnfc,
3497        .set_rxnfc              = igb_set_rxnfc,
3498        .get_eee                = igb_get_eee,
3499        .set_eee                = igb_set_eee,
3500        .get_module_info        = igb_get_module_info,
3501        .get_module_eeprom      = igb_get_module_eeprom,
3502        .get_rxfh_indir_size    = igb_get_rxfh_indir_size,
3503        .get_rxfh               = igb_get_rxfh,
3504        .set_rxfh               = igb_set_rxfh,
3505        .get_channels           = igb_get_channels,
3506        .set_channels           = igb_set_channels,
3507        .get_priv_flags         = igb_get_priv_flags,
3508        .set_priv_flags         = igb_set_priv_flags,
3509        .begin                  = igb_ethtool_begin,
3510        .complete               = igb_ethtool_complete,
3511        .get_link_ksettings     = igb_get_link_ksettings,
3512        .set_link_ksettings     = igb_set_link_ksettings,
3513};
3514
3515void igb_set_ethtool_ops(struct net_device *netdev)
3516{
3517        netdev->ethtool_ops = &igb_ethtool_ops;
3518}
3519