drivers/net/e1000/e1000_ethtool.c

   1 /*******************************************************************************
   2
   3
   4   Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU General Public License as published by the Free
   8   Software Foundation; either version 2 of the License, or (at your option)
   9   any later version.
  10
  11   This program is distributed in the hope that it will be useful, but WITHOUT
  12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14   more details.
  15
  16   You should have received a copy of the GNU General Public License along with
  17   this program; if not, write to the Free Software Foundation, Inc., 59
  18   Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20   The full GNU General Public License is included in this distribution in the
  21   file called LICENSE.
  22
  23   Contact Information:
  24   Linux NICS <linux.nics@intel.com>
  25   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  26   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  27
  28 *******************************************************************************/
  29
  30 /* ethtool support for e1000 */
  31
  32 #include "e1000.h"
  33
  34 #include <asm/uaccess.h>
  35
  36 struct e1000_stats {
  37         char stat_string[ETH_GSTRING_LEN];
  38         int sizeof_stat;
  39         int stat_offset;
  40 };
  41
  42 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
  43                       offsetof(struct e1000_adapter, m)
  44 static const struct e1000_stats e1000_gstrings_stats[] = {
  45         { "rx_packets", E1000_STAT(net_stats.rx_packets) },
  46         { "tx_packets", E1000_STAT(net_stats.tx_packets) },
  47         { "rx_bytes", E1000_STAT(net_stats.rx_bytes) },
  48         { "tx_bytes", E1000_STAT(net_stats.tx_bytes) },
  49         { "rx_errors", E1000_STAT(net_stats.rx_errors) },
  50         { "tx_errors", E1000_STAT(net_stats.tx_errors) },
  51         { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
  52         { "multicast", E1000_STAT(net_stats.multicast) },
  53         { "collisions", E1000_STAT(net_stats.collisions) },
  54         { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
  55         { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
  56         { "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) },
  57         { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
  58         { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
  59         { "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) },
  60         { "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) },
  61         { "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) },
  62         { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
  63         { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
  64         { "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) },
  65         { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
  66         { "tx_deferred_ok", E1000_STAT(stats.dc) },
  67         { "tx_single_coll_ok", E1000_STAT(stats.scc) },
  68         { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
  69         { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
  70         { "rx_long_length_errors", E1000_STAT(stats.roc) },
  71         { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  72         { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  73         { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  74         { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  75         { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  76         { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  77         { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  78         { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  79         { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
  80         { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  81         { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
  82         { "rx_header_split", E1000_STAT(rx_hdr_split) },
  83         { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
  84 };
  85
  86 #define E1000_QUEUE_STATS_LEN 0
  87 #define E1000_GLOBAL_STATS_LEN  \
  88         sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
  89 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
  90 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
  91         "Register test  (offline)", "Eeprom test    (offline)",
  92         "Interrupt test (offline)", "Loopback test  (offline)",
  93         "Link test   (on/offline)"
  94 };
  95 #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
  96
  97 static int
  98 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
  99 {
 100         struct e1000_adapter *adapter = netdev_priv(netdev);
 101         struct e1000_hw *hw = &adapter->hw;
 102
 103         if (hw->media_type == e1000_media_type_copper) {
 104
 105                 ecmd->supported = (SUPPORTED_10baseT_Half |
 106                                    SUPPORTED_10baseT_Full |
 107                                    SUPPORTED_100baseT_Half |
 108                                    SUPPORTED_100baseT_Full |
 109                                    SUPPORTED_1000baseT_Full|
 110                                    SUPPORTED_Autoneg |
 111                                    SUPPORTED_TP);
 112                 if (hw->phy_type == e1000_phy_ife)
 113                         ecmd->supported &= ~SUPPORTED_1000baseT_Full;
 114                 ecmd->advertising = ADVERTISED_TP;
 115
 116                 if (hw->autoneg == 1) {
 117                         ecmd->advertising |= ADVERTISED_Autoneg;
 118
 119                         /* the e1000 autoneg seems to match ethtool nicely */
 120
 121                         ecmd->advertising |= hw->autoneg_advertised;
 122                 }
 123
 124                 ecmd->port = PORT_TP;
 125                 ecmd->phy_address = hw->phy_addr;
 126
 127                 if (hw->mac_type == e1000_82543)
 128                         ecmd->transceiver = XCVR_EXTERNAL;
 129                 else
 130                         ecmd->transceiver = XCVR_INTERNAL;
 131
 132         } else {
 133                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 134                                      SUPPORTED_FIBRE |
 135                                      SUPPORTED_Autoneg);
 136
 137                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 138                                      ADVERTISED_FIBRE |
 139                                      ADVERTISED_Autoneg);
 140
 141                 ecmd->port = PORT_FIBRE;
 142
 143                 if (hw->mac_type >= e1000_82545)
 144                         ecmd->transceiver = XCVR_INTERNAL;
 145                 else
 146                         ecmd->transceiver = XCVR_EXTERNAL;
 147         }
 148
 149         if (netif_carrier_ok(adapter->netdev)) {
 150
 151                 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
 152                                                    &adapter->link_duplex);
 153                 ecmd->speed = adapter->link_speed;
 154
 155                 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
 156                  *          and HALF_DUPLEX != DUPLEX_HALF */
 157
 158                 if (adapter->link_duplex == FULL_DUPLEX)
 159                         ecmd->duplex = DUPLEX_FULL;
 160                 else
 161                         ecmd->duplex = DUPLEX_HALF;
 162         } else {
 163                 ecmd->speed = -1;
 164                 ecmd->duplex = -1;
 165         }
 166
 167         ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
 168                          hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 169         return 0;
 170 }
 171
 172 static int
 173 e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 174 {
 175         struct e1000_adapter *adapter = netdev_priv(netdev);
 176         struct e1000_hw *hw = &adapter->hw;
 177
 178         /* When SoL/IDER sessions are active, autoneg/speed/duplex
 179          * cannot be changed */
 180         if (e1000_check_phy_reset_block(hw)) {
 181                 DPRINTK(DRV, ERR, "Cannot change link characteristics "
 182                         "when SoL/IDER is active.\n");
 183                 return -EINVAL;
 184         }
 185
 186         if (ecmd->autoneg == AUTONEG_ENABLE) {
 187                 hw->autoneg = 1;
 188                 if (hw->media_type == e1000_media_type_fiber)
 189                         hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
 190                                      ADVERTISED_FIBRE |
 191                                      ADVERTISED_Autoneg;
 192                 else
 193                         hw->autoneg_advertised = ADVERTISED_10baseT_Half |
 194                                                   ADVERTISED_10baseT_Full |
 195                                                   ADVERTISED_100baseT_Half |
 196                                                   ADVERTISED_100baseT_Full |
 197                                                   ADVERTISED_1000baseT_Full|
 198                                                   ADVERTISED_Autoneg |
 199                                                   ADVERTISED_TP;
 200                 ecmd->advertising = hw->autoneg_advertised;
 201         } else
 202                 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
 203                         return -EINVAL;
 204
 205         /* reset the link */
 206
 207         if (netif_running(adapter->netdev))
 208                 e1000_reinit_locked(adapter);
 209         else
 210                 e1000_reset(adapter);
 211
 212         return 0;
 213 }
 214
 215 static void
 216 e1000_get_pauseparam(struct net_device *netdev,
 217                      struct ethtool_pauseparam *pause)
 218 {
 219         struct e1000_adapter *adapter = netdev_priv(netdev);
 220         struct e1000_hw *hw = &adapter->hw;
 221
 222         pause->autoneg =
 223                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 224
 225         if (hw->fc == e1000_fc_rx_pause)
 226                 pause->rx_pause = 1;
 227         else if (hw->fc == e1000_fc_tx_pause)
 228                 pause->tx_pause = 1;
 229         else if (hw->fc == e1000_fc_full) {
 230                 pause->rx_pause = 1;
 231                 pause->tx_pause = 1;
 232         }
 233 }
 234
 235 static int
 236 e1000_set_pauseparam(struct net_device *netdev,
 237                      struct ethtool_pauseparam *pause)
 238 {
 239         struct e1000_adapter *adapter = netdev_priv(netdev);
 240         struct e1000_hw *hw = &adapter->hw;
 241
 242         adapter->fc_autoneg = pause->autoneg;
 243
 244         if (pause->rx_pause && pause->tx_pause)
 245                 hw->fc = e1000_fc_full;
 246         else if (pause->rx_pause && !pause->tx_pause)
 247                 hw->fc = e1000_fc_rx_pause;
 248         else if (!pause->rx_pause && pause->tx_pause)
 249                 hw->fc = e1000_fc_tx_pause;
 250         else if (!pause->rx_pause && !pause->tx_pause)
 251                 hw->fc = e1000_fc_none;
 252
 253         hw->original_fc = hw->fc;
 254
 255         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 256                 if (netif_running(adapter->netdev))
 257                         e1000_reinit_locked(adapter);
 258                 else
 259                         e1000_reset(adapter);
 260         } else
 261                 return ((hw->media_type == e1000_media_type_fiber) ?
 262                         e1000_setup_link(hw) : e1000_force_mac_fc(hw));
 263
 264         return 0;
 265 }
 266
 267 static uint32_t
 268 e1000_get_rx_csum(struct net_device *netdev)
 269 {
 270         struct e1000_adapter *adapter = netdev_priv(netdev);
 271         return adapter->rx_csum;
 272 }
 273
 274 static int
 275 e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
 276 {
 277         struct e1000_adapter *adapter = netdev_priv(netdev);
 278         adapter->rx_csum = data;
 279
 280         if (netif_running(netdev))
 281                 e1000_reinit_locked(adapter);
 282         else
 283                 e1000_reset(adapter);
 284         return 0;
 285 }
 286
 287 static uint32_t
 288 e1000_get_tx_csum(struct net_device *netdev)
 289 {
 290         return (netdev->features & NETIF_F_HW_CSUM) != 0;
 291 }
 292
 293 static int
 294 e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
 295 {
 296         struct e1000_adapter *adapter = netdev_priv(netdev);
 297
 298         if (adapter->hw.mac_type < e1000_82543) {
 299                 if (!data)
 300                         return -EINVAL;
 301                 return 0;
 302         }
 303
 304         if (data)
 305                 netdev->features |= NETIF_F_HW_CSUM;
 306         else
 307                 netdev->features &= ~NETIF_F_HW_CSUM;
 308
 309         return 0;
 310 }
 311
 312 #ifdef NETIF_F_TSO
 313 static int
 314 e1000_set_tso(struct net_device *netdev, uint32_t data)
 315 {
 316         struct e1000_adapter *adapter = netdev_priv(netdev);
 317         if ((adapter->hw.mac_type < e1000_82544) ||
 318             (adapter->hw.mac_type == e1000_82547))
 319                 return data ? -EINVAL : 0;
 320
 321         if (data)
 322                 netdev->features |= NETIF_F_TSO;
 323         else
 324                 netdev->features &= ~NETIF_F_TSO;
 325
 326         DPRINTK(PROBE, INFO, "TSO is %s\n", data ? "Enabled" : "Disabled");
 327         adapter->tso_force = TRUE;
 328         return 0;
 329 }
 330 #endif /* NETIF_F_TSO */
 331
 332 static uint32_t
 333 e1000_get_msglevel(struct net_device *netdev)
 334 {
 335         struct e1000_adapter *adapter = netdev_priv(netdev);
 336         return adapter->msg_enable;
 337 }
 338
 339 static void
 340 e1000_set_msglevel(struct net_device *netdev, uint32_t data)
 341 {
 342         struct e1000_adapter *adapter = netdev_priv(netdev);
 343         adapter->msg_enable = data;
 344 }
 345
 346 static int
 347 e1000_get_regs_len(struct net_device *netdev)
 348 {
 349 #define E1000_REGS_LEN 32
 350         return E1000_REGS_LEN * sizeof(uint32_t);
 351 }
 352
 353 static void
 354 e1000_get_regs(struct net_device *netdev,
 355                struct ethtool_regs *regs, void *p)
 356 {
 357         struct e1000_adapter *adapter = netdev_priv(netdev);
 358         struct e1000_hw *hw = &adapter->hw;
 359         uint32_t *regs_buff = p;
 360         uint16_t phy_data;
 361
 362         memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));
 363
 364         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 365
 366         regs_buff[0]  = E1000_READ_REG(hw, CTRL);
 367         regs_buff[1]  = E1000_READ_REG(hw, STATUS);
 368
 369         regs_buff[2]  = E1000_READ_REG(hw, RCTL);
 370         regs_buff[3]  = E1000_READ_REG(hw, RDLEN);
 371         regs_buff[4]  = E1000_READ_REG(hw, RDH);
 372         regs_buff[5]  = E1000_READ_REG(hw, RDT);
 373         regs_buff[6]  = E1000_READ_REG(hw, RDTR);
 374
 375         regs_buff[7]  = E1000_READ_REG(hw, TCTL);
 376         regs_buff[8]  = E1000_READ_REG(hw, TDLEN);
 377         regs_buff[9]  = E1000_READ_REG(hw, TDH);
 378         regs_buff[10] = E1000_READ_REG(hw, TDT);
 379         regs_buff[11] = E1000_READ_REG(hw, TIDV);
 380
 381         regs_buff[12] = adapter->hw.phy_type;  /* PHY type (IGP=1, M88=0) */
 382         if (hw->phy_type == e1000_phy_igp) {
 383                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 384                                     IGP01E1000_PHY_AGC_A);
 385                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
 386                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 387                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 388                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 389                                     IGP01E1000_PHY_AGC_B);
 390                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
 391                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 392                 regs_buff[14] = (uint32_t)phy_data; /* cable length */
 393                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 394                                     IGP01E1000_PHY_AGC_C);
 395                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
 396                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 397                 regs_buff[15] = (uint32_t)phy_data; /* cable length */
 398                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 399                                     IGP01E1000_PHY_AGC_D);
 400                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
 401                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 402                 regs_buff[16] = (uint32_t)phy_data; /* cable length */
 403                 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
 404                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 405                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
 406                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 407                 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
 408                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 409                                     IGP01E1000_PHY_PCS_INIT_REG);
 410                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
 411                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 412                 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
 413                 regs_buff[20] = 0; /* polarity correction enabled (always) */
 414                 regs_buff[22] = 0; /* phy receive errors (unavailable) */
 415                 regs_buff[23] = regs_buff[18]; /* mdix mode */
 416                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 417         } else {
 418                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 419                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 420                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 421                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 422                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 423                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 424                 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
 425                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 426                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 427                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 428                 /* phy receive errors */
 429                 regs_buff[22] = adapter->phy_stats.receive_errors;
 430                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 431         }
 432         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 433         e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
 434         regs_buff[24] = (uint32_t)phy_data;  /* phy local receiver status */
 435         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 436         if (hw->mac_type >= e1000_82540 &&
 437            hw->media_type == e1000_media_type_copper) {
 438                 regs_buff[26] = E1000_READ_REG(hw, MANC);
 439         }
 440 }
 441
 442 static int
 443 e1000_get_eeprom_len(struct net_device *netdev)
 444 {
 445         struct e1000_adapter *adapter = netdev_priv(netdev);
 446         return adapter->hw.eeprom.word_size * 2;
 447 }
 448
 449 static int
 450 e1000_get_eeprom(struct net_device *netdev,
 451                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 452 {
 453         struct e1000_adapter *adapter = netdev_priv(netdev);
 454         struct e1000_hw *hw = &adapter->hw;
 455         uint16_t *eeprom_buff;
 456         int first_word, last_word;
 457         int ret_val = 0;
 458         uint16_t i;
 459
 460         if (eeprom->len == 0)
 461                 return -EINVAL;
 462
 463         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 464
 465         first_word = eeprom->offset >> 1;
 466         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 467
 468         eeprom_buff = kmalloc(sizeof(uint16_t) *
 469                         (last_word - first_word + 1), GFP_KERNEL);
 470         if (!eeprom_buff)
 471                 return -ENOMEM;
 472
 473         if (hw->eeprom.type == e1000_eeprom_spi)
 474                 ret_val = e1000_read_eeprom(hw, first_word,
 475                                             last_word - first_word + 1,
 476                                             eeprom_buff);
 477         else {
 478                 for (i = 0; i < last_word - first_word + 1; i++)
 479                         if ((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
 480                                                         &eeprom_buff[i])))
 481                                 break;
 482         }
 483
 484         /* Device's eeprom is always little-endian, word addressable */
 485         for (i = 0; i < last_word - first_word + 1; i++)
 486                 le16_to_cpus(&eeprom_buff[i]);
 487
 488         memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
 489                         eeprom->len);
 490         kfree(eeprom_buff);
 491
 492         return ret_val;
 493 }
 494
 495 static int
 496 e1000_set_eeprom(struct net_device *netdev,
 497                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 498 {
 499         struct e1000_adapter *adapter = netdev_priv(netdev);
 500         struct e1000_hw *hw = &adapter->hw;
 501         uint16_t *eeprom_buff;
 502         void *ptr;
 503         int max_len, first_word, last_word, ret_val = 0;
 504         uint16_t i;
 505
 506         if (eeprom->len == 0)
 507                 return -EOPNOTSUPP;
 508
 509         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 510                 return -EFAULT;
 511
 512         max_len = hw->eeprom.word_size * 2;
 513
 514         first_word = eeprom->offset >> 1;
 515         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 516         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 517         if (!eeprom_buff)
 518                 return -ENOMEM;
 519
 520         ptr = (void *)eeprom_buff;
 521
 522         if (eeprom->offset & 1) {
 523                 /* need read/modify/write of first changed EEPROM word */
 524                 /* only the second byte of the word is being modified */
 525                 ret_val = e1000_read_eeprom(hw, first_word, 1,
 526                                             &eeprom_buff[0]);
 527                 ptr++;
 528         }
 529         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 530                 /* need read/modify/write of last changed EEPROM word */
 531                 /* only the first byte of the word is being modified */
 532                 ret_val = e1000_read_eeprom(hw, last_word, 1,
 533                                   &eeprom_buff[last_word - first_word]);
 534         }
 535
 536         /* Device's eeprom is always little-endian, word addressable */
 537         for (i = 0; i < last_word - first_word + 1; i++)
 538                 le16_to_cpus(&eeprom_buff[i]);
 539
 540         memcpy(ptr, bytes, eeprom->len);
 541
 542         for (i = 0; i < last_word - first_word + 1; i++)
 543                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 544
 545         ret_val = e1000_write_eeprom(hw, first_word,
 546                                      last_word - first_word + 1, eeprom_buff);
 547
 548         /* Update the checksum over the first part of the EEPROM if needed
 549          * and flush shadow RAM for 82573 conrollers */
 550         if ((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) ||
 551                                 (hw->mac_type == e1000_82573)))
 552                 e1000_update_eeprom_checksum(hw);
 553
 554         kfree(eeprom_buff);
 555         return ret_val;
 556 }
 557
 558 static void
 559 e1000_get_drvinfo(struct net_device *netdev,
 560                        struct ethtool_drvinfo *drvinfo)
 561 {
 562         struct e1000_adapter *adapter = netdev_priv(netdev);
 563         char firmware_version[32];
 564         uint16_t eeprom_data;
 565
 566         strncpy(drvinfo->driver,  e1000_driver_name, 32);
 567         strncpy(drvinfo->version, e1000_driver_version, 32);
 568
 569         /* EEPROM image version # is reported as firmware version # for
 570          * 8257{1|2|3} controllers */
 571         e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data);
 572         switch (adapter->hw.mac_type) {
 573         case e1000_82571:
 574         case e1000_82572:
 575         case e1000_82573:
 576         case e1000_80003es2lan:
 577         case e1000_ich8lan:
 578                 sprintf(firmware_version, "%d.%d-%d",
 579                         (eeprom_data & 0xF000) >> 12,
 580                         (eeprom_data & 0x0FF0) >> 4,
 581                         eeprom_data & 0x000F);
 582                 break;
 583         default:
 584                 sprintf(firmware_version, "N/A");
 585         }
 586
 587         strncpy(drvinfo->fw_version, firmware_version, 32);
 588         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 589         drvinfo->n_stats = E1000_STATS_LEN;
 590         drvinfo->testinfo_len = E1000_TEST_LEN;
 591         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 592         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 593 }
 594
 595 static void
 596 e1000_get_ringparam(struct net_device *netdev,
 597                     struct ethtool_ringparam *ring)
 598 {
 599         struct e1000_adapter *adapter = netdev_priv(netdev);
 600         e1000_mac_type mac_type = adapter->hw.mac_type;
 601         struct e1000_tx_ring *txdr = adapter->tx_ring;
 602         struct e1000_rx_ring *rxdr = adapter->rx_ring;
 603
 604         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 605                 E1000_MAX_82544_RXD;
 606         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 607                 E1000_MAX_82544_TXD;
 608         ring->rx_mini_max_pending = 0;
 609         ring->rx_jumbo_max_pending = 0;
 610         ring->rx_pending = rxdr->count;
 611         ring->tx_pending = txdr->count;
 612         ring->rx_mini_pending = 0;
 613         ring->rx_jumbo_pending = 0;
 614 }
 615
 616 static int
 617 e1000_set_ringparam(struct net_device *netdev,
 618                     struct ethtool_ringparam *ring)
 619 {
 620         struct e1000_adapter *adapter = netdev_priv(netdev);
 621         e1000_mac_type mac_type = adapter->hw.mac_type;
 622         struct e1000_tx_ring *txdr, *tx_old, *tx_new;
 623         struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
 624         int i, err, tx_ring_size, rx_ring_size;
 625
 626         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 627                 return -EINVAL;
 628
 629         tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
 630         rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
 631
 632         while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 633                 msleep(1);
 634
 635         if (netif_running(adapter->netdev))
 636                 e1000_down(adapter);
 637
 638         tx_old = adapter->tx_ring;
 639         rx_old = adapter->rx_ring;
 640
 641         adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
 642         if (!adapter->tx_ring) {
 643                 err = -ENOMEM;
 644                 goto err_setup_rx;
 645         }
 646         memset(adapter->tx_ring, 0, tx_ring_size);
 647
 648         adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
 649         if (!adapter->rx_ring) {
 650                 kfree(adapter->tx_ring);
 651                 err = -ENOMEM;
 652                 goto err_setup_rx;
 653         }
 654         memset(adapter->rx_ring, 0, rx_ring_size);
 655
 656         txdr = adapter->tx_ring;
 657         rxdr = adapter->rx_ring;
 658
 659         rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
 660         rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
 661                 E1000_MAX_RXD : E1000_MAX_82544_RXD));
 662         E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 663
 664         txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
 665         txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
 666                 E1000_MAX_TXD : E1000_MAX_82544_TXD));
 667         E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 668
 669         for (i = 0; i < adapter->num_tx_queues; i++)
 670                 txdr[i].count = txdr->count;
 671         for (i = 0; i < adapter->num_rx_queues; i++)
 672                 rxdr[i].count = rxdr->count;
 673
 674         if (netif_running(adapter->netdev)) {
 675                 /* Try to get new resources before deleting old */
 676                 if ((err = e1000_setup_all_rx_resources(adapter)))
 677                         goto err_setup_rx;
 678                 if ((err = e1000_setup_all_tx_resources(adapter)))
 679                         goto err_setup_tx;
 680
 681                 /* save the new, restore the old in order to free it,
 682                  * then restore the new back again */
 683
 684                 rx_new = adapter->rx_ring;
 685                 tx_new = adapter->tx_ring;
 686                 adapter->rx_ring = rx_old;
 687                 adapter->tx_ring = tx_old;
 688                 e1000_free_all_rx_resources(adapter);
 689                 e1000_free_all_tx_resources(adapter);
 690                 kfree(tx_old);
 691                 kfree(rx_old);
 692                 adapter->rx_ring = rx_new;
 693                 adapter->tx_ring = tx_new;
 694                 if ((err = e1000_up(adapter)))
 695                         goto err_setup;
 696         }
 697
 698         clear_bit(__E1000_RESETTING, &adapter->flags);
 699
 700         return 0;
 701 err_setup_tx:
 702         e1000_free_all_rx_resources(adapter);
 703 err_setup_rx:
 704         adapter->rx_ring = rx_old;
 705         adapter->tx_ring = tx_old;
 706         e1000_up(adapter);
 707 err_setup:
 708         clear_bit(__E1000_RESETTING, &adapter->flags);
 709         return err;
 710 }
 711
 712 #define REG_PATTERN_TEST(R, M, W)                                              \
 713 {                                                                              \
 714         uint32_t pat, value;                                                   \
 715         uint32_t test[] =                                                      \
 716                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};              \
 717         for (pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) {              \
 718                 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W));             \
 719                 value = E1000_READ_REG(&adapter->hw, R);                       \
 720                 if (value != (test[pat] & W & M)) {                             \
 721                         DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
 722                                 "0x%08X expected 0x%08X\n",                    \
 723                                 E1000_##R, value, (test[pat] & W & M));        \
 724                         *data = (adapter->hw.mac_type < e1000_82543) ?         \
 725                                 E1000_82542_##R : E1000_##R;                   \
 726                         return 1;                                              \
 727                 }                                                              \
 728         }                                                                      \
 729 }
 730
 731 #define REG_SET_AND_CHECK(R, M, W)                                             \
 732 {                                                                              \
 733         uint32_t value;                                                        \
 734         E1000_WRITE_REG(&adapter->hw, R, W & M);                               \
 735         value = E1000_READ_REG(&adapter->hw, R);                               \
 736         if ((W & M) != (value & M)) {                                          \
 737                 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
 738                         "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
 739                 *data = (adapter->hw.mac_type < e1000_82543) ?                 \
 740                         E1000_82542_##R : E1000_##R;                           \
 741                 return 1;                                                      \
 742         }                                                                      \
 743 }
 744
 745 static int
 746 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
 747 {
 748         uint32_t value, before, after;
 749         uint32_t i, toggle;
 750
 751         /* The status register is Read Only, so a write should fail.
 752          * Some bits that get toggled are ignored.
 753          */
 754         switch (adapter->hw.mac_type) {
 755         /* there are several bits on newer hardware that are r/w */
 756         case e1000_82571:
 757         case e1000_82572:
 758         case e1000_80003es2lan:
 759                 toggle = 0x7FFFF3FF;
 760                 break;
 761         case e1000_82573:
 762         case e1000_ich8lan:
 763                 toggle = 0x7FFFF033;
 764                 break;
 765         default:
 766                 toggle = 0xFFFFF833;
 767                 break;
 768         }
 769
 770         before = E1000_READ_REG(&adapter->hw, STATUS);
 771         value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
 772         E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
 773         after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
 774         if (value != after) {
 775                 DPRINTK(DRV, ERR, "failed STATUS register test got: "
 776                         "0x%08X expected: 0x%08X\n", after, value);
 777                 *data = 1;
 778                 return 1;
 779         }
 780         /* restore previous status */
 781         E1000_WRITE_REG(&adapter->hw, STATUS, before);
 782         if (adapter->hw.mac_type != e1000_ich8lan) {
 783                 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 784                 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 785                 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 786                 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 787         }
 788         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 789         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 790         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 791         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 792         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 793         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 794         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 795         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 796         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 797         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 798
 799         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 800         before = (adapter->hw.mac_type == e1000_ich8lan ?
 801                         0x06C3B33E : 0x06DFB3FE);
 802         REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
 803         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 804
 805         if (adapter->hw.mac_type >= e1000_82543) {
 806
 807                 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
 808                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 809                 if (adapter->hw.mac_type != e1000_ich8lan)
 810                         REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 811                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 812                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 813                 value = (adapter->hw.mac_type == e1000_ich8lan ?
 814                                 E1000_RAR_ENTRIES_ICH8LAN : E1000_RAR_ENTRIES);
 815                 for (i = 0; i < value; i++) {
 816                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 817                                          0xFFFFFFFF);
 818                 }
 819
 820         } else {
 821
 822                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 823                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 824                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 825                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 826
 827         }
 828
 829         value = (adapter->hw.mac_type == e1000_ich8lan ?
 830                         E1000_MC_TBL_SIZE_ICH8LAN : E1000_MC_TBL_SIZE);
 831         for (i = 0; i < value; i++)
 832                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 833
 834         *data = 0;
 835         return 0;
 836 }
 837
 838 static int
 839 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
 840 {
 841         uint16_t temp;
 842         uint16_t checksum = 0;
 843         uint16_t i;
 844
 845         *data = 0;
 846         /* Read and add up the contents of the EEPROM */
 847         for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 848                 if ((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
 849                         *data = 1;
 850                         break;
 851                 }
 852                 checksum += temp;
 853         }
 854
 855         /* If Checksum is not Correct return error else test passed */
 856         if ((checksum != (uint16_t) EEPROM_SUM) && !(*data))
 857                 *data = 2;
 858
 859         return *data;
 860 }
 861
 862 static irqreturn_t
 863 e1000_test_intr(int irq,
 864                 void *data,
 865                 struct pt_regs *regs)
 866 {
 867         struct net_device *netdev = (struct net_device *) data;
 868         struct e1000_adapter *adapter = netdev_priv(netdev);
 869
 870         adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
 871
 872         return IRQ_HANDLED;
 873 }
 874
 875 static int
 876 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
 877 {
 878         struct net_device *netdev = adapter->netdev;
 879         uint32_t mask, i=0, shared_int = TRUE;
 880         uint32_t irq = adapter->pdev->irq;
 881
 882         *data = 0;
 883
 884         /* Hook up test interrupt handler just for this test */
 885         if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED,
 886                          netdev->name, netdev)) {
 887                 shared_int = FALSE;
 888         } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
 889                               netdev->name, netdev)){
 890                 *data = 1;
 891                 return -1;
 892         }
 893         DPRINTK(PROBE,INFO, "testing %s interrupt\n",
 894                 (shared_int ? "shared" : "unshared"));
 895
 896         /* Disable all the interrupts */
 897         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 898         msec_delay(10);
 899
 900         /* Test each interrupt */
 901         for (; i < 10; i++) {
 902
 903                 if (adapter->hw.mac_type == e1000_ich8lan && i == 8)
 904                         continue;
 905                 /* Interrupt to test */
 906                 mask = 1 << i;
 907
 908                 if (!shared_int) {
 909                         /* Disable the interrupt to be reported in
 910                          * the cause register and then force the same
 911                          * interrupt and see if one gets posted.  If
 912                          * an interrupt was posted to the bus, the
 913                          * test failed.
 914                          */
 915                         adapter->test_icr = 0;
 916                         E1000_WRITE_REG(&adapter->hw, IMC, mask);
 917                         E1000_WRITE_REG(&adapter->hw, ICS, mask);
 918                         msec_delay(10);
 919
 920                         if (adapter->test_icr & mask) {
 921                                 *data = 3;
 922                                 break;
 923                         }
 924                 }
 925
 926                 /* Enable the interrupt to be reported in
 927                  * the cause register and then force the same
 928                  * interrupt and see if one gets posted.  If
 929                  * an interrupt was not posted to the bus, the
 930                  * test failed.
 931                  */
 932                 adapter->test_icr = 0;
 933                 E1000_WRITE_REG(&adapter->hw, IMS, mask);
 934                 E1000_WRITE_REG(&adapter->hw, ICS, mask);
 935                 msec_delay(10);
 936
 937                 if (!(adapter->test_icr & mask)) {
 938                         *data = 4;
 939                         break;
 940                 }
 941
 942                 if (!shared_int) {
 943                         /* Disable the other interrupts to be reported in
 944                          * the cause register and then force the other
 945                          * interrupts and see if any get posted.  If
 946                          * an interrupt was posted to the bus, the
 947                          * test failed.
 948                          */
 949                         adapter->test_icr = 0;
 950                         E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
 951                         E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
 952                         msec_delay(10);
 953
 954                         if (adapter->test_icr) {
 955                                 *data = 5;
 956                                 break;
 957                         }
 958                 }
 959         }
 960
 961         /* Disable all the interrupts */
 962         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 963         msec_delay(10);
 964
 965         /* Unhook test interrupt handler */
 966         free_irq(irq, netdev);
 967
 968         return *data;
 969 }
 970
 971 static void
 972 e1000_free_desc_rings(struct e1000_adapter *adapter)
 973 {
 974         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 975         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 976         struct pci_dev *pdev = adapter->pdev;
 977         int i;
 978
 979         if (txdr->desc && txdr->buffer_info) {
 980                 for (i = 0; i < txdr->count; i++) {
 981                         if (txdr->buffer_info[i].dma)
 982                                 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
 983                                                  txdr->buffer_info[i].length,
 984                                                  PCI_DMA_TODEVICE);
 985                         if (txdr->buffer_info[i].skb)
 986                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 987                 }
 988         }
 989
 990         if (rxdr->desc && rxdr->buffer_info) {
 991                 for (i = 0; i < rxdr->count; i++) {
 992                         if (rxdr->buffer_info[i].dma)
 993                                 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
 994                                                  rxdr->buffer_info[i].length,
 995                                                  PCI_DMA_FROMDEVICE);
 996                         if (rxdr->buffer_info[i].skb)
 997                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
 998                 }
 999         }
1000
1001         if (txdr->desc) {
1002                 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
1003                 txdr->desc = NULL;
1004         }
1005         if (rxdr->desc) {
1006                 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
1007                 rxdr->desc = NULL;
1008         }
1009
1010         kfree(txdr->buffer_info);
1011         txdr->buffer_info = NULL;
1012         kfree(rxdr->buffer_info);
1013         rxdr->buffer_info = NULL;
1014
1015         return;
1016 }
1017
1018 static int
1019 e1000_setup_desc_rings(struct e1000_adapter *adapter)
1020 {
1021         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1022         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1023         struct pci_dev *pdev = adapter->pdev;
1024         uint32_t rctl;
1025         int size, i, ret_val;
1026
1027         /* Setup Tx descriptor ring and Tx buffers */
1028
1029         if (!txdr->count)
1030                 txdr->count = E1000_DEFAULT_TXD;
1031
1032         size = txdr->count * sizeof(struct e1000_buffer);
1033         if (!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1034                 ret_val = 1;
1035                 goto err_nomem;
1036         }
1037         memset(txdr->buffer_info, 0, size);
1038
1039         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1040         E1000_ROUNDUP(txdr->size, 4096);
1041         if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
1042                 ret_val = 2;
1043                 goto err_nomem;
1044         }
1045         memset(txdr->desc, 0, txdr->size);
1046         txdr->next_to_use = txdr->next_to_clean = 0;
1047
1048         E1000_WRITE_REG(&adapter->hw, TDBAL,
1049                         ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
1050         E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
1051         E1000_WRITE_REG(&adapter->hw, TDLEN,
1052                         txdr->count * sizeof(struct e1000_tx_desc));
1053         E1000_WRITE_REG(&adapter->hw, TDH, 0);
1054         E1000_WRITE_REG(&adapter->hw, TDT, 0);
1055         E1000_WRITE_REG(&adapter->hw, TCTL,
1056                         E1000_TCTL_PSP | E1000_TCTL_EN |
1057                         E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1058                         E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1059
1060         for (i = 0; i < txdr->count; i++) {
1061                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1062                 struct sk_buff *skb;
1063                 unsigned int size = 1024;
1064
1065                 if (!(skb = alloc_skb(size, GFP_KERNEL))) {
1066                         ret_val = 3;
1067                         goto err_nomem;
1068                 }
1069                 skb_put(skb, size);
1070                 txdr->buffer_info[i].skb = skb;
1071                 txdr->buffer_info[i].length = skb->len;
1072                 txdr->buffer_info[i].dma =
1073                         pci_map_single(pdev, skb->data, skb->len,
1074                                        PCI_DMA_TODEVICE);
1075                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1076                 tx_desc->lower.data = cpu_to_le32(skb->len);
1077                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1078                                                    E1000_TXD_CMD_IFCS |
1079                                                    E1000_TXD_CMD_RPS);
1080                 tx_desc->upper.data = 0;
1081         }
1082
1083         /* Setup Rx descriptor ring and Rx buffers */
1084
1085         if (!rxdr->count)
1086                 rxdr->count = E1000_DEFAULT_RXD;
1087
1088         size = rxdr->count * sizeof(struct e1000_buffer);
1089         if (!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1090                 ret_val = 4;
1091                 goto err_nomem;
1092         }
1093         memset(rxdr->buffer_info, 0, size);
1094
1095         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1096         if (!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
1097                 ret_val = 5;
1098                 goto err_nomem;
1099         }
1100         memset(rxdr->desc, 0, rxdr->size);
1101         rxdr->next_to_use = rxdr->next_to_clean = 0;
1102
1103         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1104         E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
1105         E1000_WRITE_REG(&adapter->hw, RDBAL,
1106                         ((uint64_t) rxdr->dma & 0xFFFFFFFF));
1107         E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
1108         E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1109         E1000_WRITE_REG(&adapter->hw, RDH, 0);
1110         E1000_WRITE_REG(&adapter->hw, RDT, 0);
1111         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1112                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1113                 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1114         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1115
1116         for (i = 0; i < rxdr->count; i++) {
1117                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1118                 struct sk_buff *skb;
1119
1120                 if (!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1121                                 GFP_KERNEL))) {
1122                         ret_val = 6;
1123                         goto err_nomem;
1124                 }
1125                 skb_reserve(skb, NET_IP_ALIGN);
1126                 rxdr->buffer_info[i].skb = skb;
1127                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1128                 rxdr->buffer_info[i].dma =
1129                         pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1130                                        PCI_DMA_FROMDEVICE);
1131                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1132                 memset(skb->data, 0x00, skb->len);
1133         }
1134
1135         return 0;
1136
1137 err_nomem:
1138         e1000_free_desc_rings(adapter);
1139         return ret_val;
1140 }
1141
1142 static void
1143 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1144 {
1145         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1146         e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1147         e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1148         e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1149         e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1150 }
1151
1152 static void
1153 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1154 {
1155         uint16_t phy_reg;
1156
1157         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1158          * Extended PHY Specific Control Register to 25MHz clock.  This
1159          * value defaults back to a 2.5MHz clock when the PHY is reset.
1160          */
1161         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1162         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1163         e1000_write_phy_reg(&adapter->hw,
1164                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1165
1166         /* In addition, because of the s/w reset above, we need to enable
1167          * CRS on TX.  This must be set for both full and half duplex
1168          * operation.
1169          */
1170         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1171         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1172         e1000_write_phy_reg(&adapter->hw,
1173                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1174 }
1175
1176 static int
1177 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1178 {
1179         uint32_t ctrl_reg;
1180         uint16_t phy_reg;
1181
1182         /* Setup the Device Control Register for PHY loopback test. */
1183
1184         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1185         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1186                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1187                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1188                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1189                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1190
1191         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1192
1193         /* Read the PHY Specific Control Register (0x10) */
1194         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1195
1196         /* Clear Auto-Crossover bits in PHY Specific Control Register
1197          * (bits 6:5).
1198          */
1199         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1200         e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1201
1202         /* Perform software reset on the PHY */
1203         e1000_phy_reset(&adapter->hw);
1204
1205         /* Have to setup TX_CLK and TX_CRS after software reset */
1206         e1000_phy_reset_clk_and_crs(adapter);
1207
1208         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1209
1210         /* Wait for reset to complete. */
1211         udelay(500);
1212
1213         /* Have to setup TX_CLK and TX_CRS after software reset */
1214         e1000_phy_reset_clk_and_crs(adapter);
1215
1216         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1217         e1000_phy_disable_receiver(adapter);
1218
1219         /* Set the loopback bit in the PHY control register. */
1220         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1221         phy_reg |= MII_CR_LOOPBACK;
1222         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1223
1224         /* Setup TX_CLK and TX_CRS one more time. */
1225         e1000_phy_reset_clk_and_crs(adapter);
1226
1227         /* Check Phy Configuration */
1228         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1229         if (phy_reg != 0x4100)
1230                  return 9;
1231
1232         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1233         if (phy_reg != 0x0070)
1234                 return 10;
1235
1236         e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1237         if (phy_reg != 0x001A)
1238                 return 11;
1239
1240         return 0;
1241 }
1242
1243 static int
1244 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1245 {
1246         uint32_t ctrl_reg = 0;
1247         uint32_t stat_reg = 0;
1248
1249         adapter->hw.autoneg = FALSE;
1250
1251         if (adapter->hw.phy_type == e1000_phy_m88) {
1252                 /* Auto-MDI/MDIX Off */
1253                 e1000_write_phy_reg(&adapter->hw,
1254                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1255                 /* reset to update Auto-MDI/MDIX */
1256                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1257                 /* autoneg off */
1258                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1259         } else if (adapter->hw.phy_type == e1000_phy_gg82563) {
1260                 e1000_write_phy_reg(&adapter->hw,
1261                                     GG82563_PHY_KMRN_MODE_CTRL,
1262                                     0x1CC);
1263         }
1264
1265         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1266
1267         if (adapter->hw.phy_type == e1000_phy_ife) {
1268                 /* force 100, set loopback */
1269                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x6100);
1270
1271                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1272                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1273                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1274                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1275                              E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1276                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1277         } else {
1278                 /* force 1000, set loopback */
1279                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1280
1281                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1282                 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1283                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1284                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1285                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1286                              E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1287                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1288         }
1289
1290         if (adapter->hw.media_type == e1000_media_type_copper &&
1291            adapter->hw.phy_type == e1000_phy_m88) {
1292                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1293         } else {
1294                 /* Set the ILOS bit on the fiber Nic is half
1295                  * duplex link is detected. */
1296                 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1297                 if ((stat_reg & E1000_STATUS_FD) == 0)
1298                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1299         }
1300
1301         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1302
1303         /* Disable the receiver on the PHY so when a cable is plugged in, the
1304          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1305          */
1306         if (adapter->hw.phy_type == e1000_phy_m88)
1307                 e1000_phy_disable_receiver(adapter);
1308
1309         udelay(500);
1310
1311         return 0;
1312 }
1313
1314 static int
1315 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1316 {
1317         uint16_t phy_reg = 0;
1318         uint16_t count = 0;
1319
1320         switch (adapter->hw.mac_type) {
1321         case e1000_82543:
1322                 if (adapter->hw.media_type == e1000_media_type_copper) {
1323                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1324                          * Some PHY registers get corrupted at random, so
1325                          * attempt this 10 times.
1326                          */
1327                         while (e1000_nonintegrated_phy_loopback(adapter) &&
1328                               count++ < 10);
1329                         if (count < 11)
1330                                 return 0;
1331                 }
1332                 break;
1333
1334         case e1000_82544:
1335         case e1000_82540:
1336         case e1000_82545:
1337         case e1000_82545_rev_3:
1338         case e1000_82546:
1339         case e1000_82546_rev_3:
1340         case e1000_82541:
1341         case e1000_82541_rev_2:
1342         case e1000_82547:
1343         case e1000_82547_rev_2:
1344         case e1000_82571:
1345         case e1000_82572:
1346         case e1000_82573:
1347         case e1000_80003es2lan:
1348         case e1000_ich8lan:
1349                 return e1000_integrated_phy_loopback(adapter);
1350                 break;
1351
1352         default:
1353                 /* Default PHY loopback work is to read the MII
1354                  * control register and assert bit 14 (loopback mode).
1355                  */
1356                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1357                 phy_reg |= MII_CR_LOOPBACK;
1358                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1359                 return 0;
1360                 break;
1361         }
1362
1363         return 8;
1364 }
1365
1366 static int
1367 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1368 {
1369         struct e1000_hw *hw = &adapter->hw;
1370         uint32_t rctl;
1371
1372         if (hw->media_type == e1000_media_type_fiber ||
1373             hw->media_type == e1000_media_type_internal_serdes) {
1374                 switch (hw->mac_type) {
1375                 case e1000_82545:
1376                 case e1000_82546:
1377                 case e1000_82545_rev_3:
1378                 case e1000_82546_rev_3:
1379                         return e1000_set_phy_loopback(adapter);
1380                         break;
1381                 case e1000_82571:
1382                 case e1000_82572:
1383 #define E1000_SERDES_LB_ON 0x410
1384                         e1000_set_phy_loopback(adapter);
1385                         E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON);
1386                         msec_delay(10);
1387                         return 0;
1388                         break;
1389                 default:
1390                         rctl = E1000_READ_REG(hw, RCTL);
1391                         rctl |= E1000_RCTL_LBM_TCVR;
1392                         E1000_WRITE_REG(hw, RCTL, rctl);
1393                         return 0;
1394                 }
1395         } else if (hw->media_type == e1000_media_type_copper)
1396                 return e1000_set_phy_loopback(adapter);
1397
1398         return 7;
1399 }
1400
1401 static void
1402 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1403 {
1404         struct e1000_hw *hw = &adapter->hw;
1405         uint32_t rctl;
1406         uint16_t phy_reg;
1407
1408         rctl = E1000_READ_REG(hw, RCTL);
1409         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1410         E1000_WRITE_REG(hw, RCTL, rctl);
1411
1412         switch (hw->mac_type) {
1413         case e1000_82571:
1414         case e1000_82572:
1415                 if (hw->media_type == e1000_media_type_fiber ||
1416                     hw->media_type == e1000_media_type_internal_serdes) {
1417 #define E1000_SERDES_LB_OFF 0x400
1418                         E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF);
1419                         msec_delay(10);
1420                         break;
1421                 }
1422                 /* Fall Through */
1423         case e1000_82545:
1424         case e1000_82546:
1425         case e1000_82545_rev_3:
1426         case e1000_82546_rev_3:
1427         default:
1428                 hw->autoneg = TRUE;
1429                 if (hw->phy_type == e1000_phy_gg82563) {
1430                         e1000_write_phy_reg(hw,
1431                                             GG82563_PHY_KMRN_MODE_CTRL,
1432                                             0x180);
1433                 }
1434                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1435                 if (phy_reg & MII_CR_LOOPBACK) {
1436                         phy_reg &= ~MII_CR_LOOPBACK;
1437                         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1438                         e1000_phy_reset(hw);
1439                 }
1440                 break;
1441         }
1442 }
1443
1444 static void
1445 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1446 {
1447         memset(skb->data, 0xFF, frame_size);
1448         frame_size &= ~1;
1449         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1450         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1451         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1452 }
1453
1454 static int
1455 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1456 {
1457         frame_size &= ~1;
1458         if (*(skb->data + 3) == 0xFF) {
1459                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1460                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1461                         return 0;
1462                 }
1463         }
1464         return 13;
1465 }
1466
1467 static int
1468 e1000_run_loopback_test(struct e1000_adapter *adapter)
1469 {
1470         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1471         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1472         struct pci_dev *pdev = adapter->pdev;
1473         int i, j, k, l, lc, good_cnt, ret_val=0;
1474         unsigned long time;
1475
1476         E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1477
1478         /* Calculate the loop count based on the largest descriptor ring
1479          * The idea is to wrap the largest ring a number of times using 64
1480          * send/receive pairs during each loop
1481          */
1482
1483         if (rxdr->count <= txdr->count)
1484                 lc = ((txdr->count / 64) * 2) + 1;
1485         else
1486                 lc = ((rxdr->count / 64) * 2) + 1;
1487
1488         k = l = 0;
1489         for (j = 0; j <= lc; j++) { /* loop count loop */
1490                 for (i = 0; i < 64; i++) { /* send the packets */
1491                         e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1492                                         1024);
1493                         pci_dma_sync_single_for_device(pdev,
1494                                         txdr->buffer_info[k].dma,
1495                                         txdr->buffer_info[k].length,
1496                                         PCI_DMA_TODEVICE);
1497                         if (unlikely(++k == txdr->count)) k = 0;
1498                 }
1499                 E1000_WRITE_REG(&adapter->hw, TDT, k);
1500                 msec_delay(200);
1501                 time = jiffies; /* set the start time for the receive */
1502                 good_cnt = 0;
1503                 do { /* receive the sent packets */
1504                         pci_dma_sync_single_for_cpu(pdev,
1505                                         rxdr->buffer_info[l].dma,
1506                                         rxdr->buffer_info[l].length,
1507                                         PCI_DMA_FROMDEVICE);
1508
1509                         ret_val = e1000_check_lbtest_frame(
1510                                         rxdr->buffer_info[l].skb,
1511                                         1024);
1512                         if (!ret_val)
1513                                 good_cnt++;
1514                         if (unlikely(++l == rxdr->count)) l = 0;
1515                         /* time + 20 msecs (200 msecs on 2.4) is more than
1516                          * enough time to complete the receives, if it's
1517                          * exceeded, break and error off
1518                          */
1519                 } while (good_cnt < 64 && jiffies < (time + 20));
1520                 if (good_cnt != 64) {
1521                         ret_val = 13; /* ret_val is the same as mis-compare */
1522                         break;
1523                 }
1524                 if (jiffies >= (time + 2)) {
1525                         ret_val = 14; /* error code for time out error */
1526                         break;
1527                 }
1528         } /* end loop count loop */
1529         return ret_val;
1530 }
1531
1532 static int
1533 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1534 {
1535         /* PHY loopback cannot be performed if SoL/IDER
1536          * sessions are active */
1537         if (e1000_check_phy_reset_block(&adapter->hw)) {
1538                 DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
1539                         "when SoL/IDER is active.\n");
1540                 *data = 0;
1541                 goto out;
1542         }
1543
1544         if ((*data = e1000_setup_desc_rings(adapter)))
1545                 goto out;
1546         if ((*data = e1000_setup_loopback_test(adapter)))
1547                 goto err_loopback;
1548         *data = e1000_run_loopback_test(adapter);
1549         e1000_loopback_cleanup(adapter);
1550
1551 err_loopback:
1552         e1000_free_desc_rings(adapter);
1553 out:
1554         return *data;
1555 }
1556
1557 static int
1558 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1559 {
1560         *data = 0;
1561         if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1562                 int i = 0;
1563                 adapter->hw.serdes_link_down = TRUE;
1564
1565                 /* On some blade server designs, link establishment
1566                  * could take as long as 2-3 minutes */
1567                 do {
1568                         e1000_check_for_link(&adapter->hw);
1569                         if (adapter->hw.serdes_link_down == FALSE)
1570                                 return *data;
1571                         msec_delay(20);
1572                 } while (i++ < 3750);
1573
1574                 *data = 1;
1575         } else {
1576                 e1000_check_for_link(&adapter->hw);
1577                 if (adapter->hw.autoneg)  /* if auto_neg is set wait for it */
1578                         msec_delay(4000);
1579
1580                 if (!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1581                         *data = 1;
1582                 }
1583         }
1584         return *data;
1585 }
1586
1587 static int
1588 e1000_diag_test_count(struct net_device *netdev)
1589 {
1590         return E1000_TEST_LEN;
1591 }
1592
1593 static void
1594 e1000_diag_test(struct net_device *netdev,
1595                    struct ethtool_test *eth_test, uint64_t *data)
1596 {
1597         struct e1000_adapter *adapter = netdev_priv(netdev);
1598         boolean_t if_running = netif_running(netdev);
1599
1600         set_bit(__E1000_DRIVER_TESTING, &adapter->flags);
1601         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1602                 /* Offline tests */
1603
1604                 /* save speed, duplex, autoneg settings */
1605                 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1606                 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1607                 uint8_t autoneg = adapter->hw.autoneg;
1608
1609                 /* Link test performed before hardware reset so autoneg doesn't
1610                  * interfere with test result */
1611                 if (e1000_link_test(adapter, &data[4]))
1612                         eth_test->flags |= ETH_TEST_FL_FAILED;
1613
1614                 if (if_running)
1615                         /* indicate we're in test mode */
1616                         dev_close(netdev);
1617                 else
1618                         e1000_reset(adapter);
1619
1620                 if (e1000_reg_test(adapter, &data[0]))
1621                         eth_test->flags |= ETH_TEST_FL_FAILED;
1622
1623                 e1000_reset(adapter);
1624                 if (e1000_eeprom_test(adapter, &data[1]))
1625                         eth_test->flags |= ETH_TEST_FL_FAILED;
1626
1627                 e1000_reset(adapter);
1628                 if (e1000_intr_test(adapter, &data[2]))
1629                         eth_test->flags |= ETH_TEST_FL_FAILED;
1630
1631                 e1000_reset(adapter);
1632                 if (e1000_loopback_test(adapter, &data[3]))
1633                         eth_test->flags |= ETH_TEST_FL_FAILED;
1634
1635                 /* restore speed, duplex, autoneg settings */
1636                 adapter->hw.autoneg_advertised = autoneg_advertised;
1637                 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1638                 adapter->hw.autoneg = autoneg;
1639
1640                 e1000_reset(adapter);
1641                 clear_bit(__E1000_DRIVER_TESTING, &adapter->flags);
1642                 if (if_running)
1643                         dev_open(netdev);
1644         } else {
1645                 /* Online tests */
1646                 if (e1000_link_test(adapter, &data[4]))
1647                         eth_test->flags |= ETH_TEST_FL_FAILED;
1648
1649                 /* Offline tests aren't run; pass by default */
1650                 data[0] = 0;
1651                 data[1] = 0;
1652                 data[2] = 0;
1653                 data[3] = 0;
1654
1655                 clear_bit(__E1000_DRIVER_TESTING, &adapter->flags);
1656         }
1657         msleep_interruptible(4 * 1000);
1658 }
1659
1660 static void
1661 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1662 {
1663         struct e1000_adapter *adapter = netdev_priv(netdev);
1664         struct e1000_hw *hw = &adapter->hw;
1665
1666         switch (adapter->hw.device_id) {
1667         case E1000_DEV_ID_82542:
1668         case E1000_DEV_ID_82543GC_FIBER:
1669         case E1000_DEV_ID_82543GC_COPPER:
1670         case E1000_DEV_ID_82544EI_FIBER:
1671         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1672         case E1000_DEV_ID_82545EM_FIBER:
1673         case E1000_DEV_ID_82545EM_COPPER:
1674         case E1000_DEV_ID_82546GB_QUAD_COPPER:
1675                 wol->supported = 0;
1676                 wol->wolopts   = 0;
1677                 return;
1678
1679         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1680                 /* device id 10B5 port-A supports wol */
1681                 if (!adapter->ksp3_port_a) {
1682                         wol->supported = 0;
1683                         return;
1684                 }
1685                 /* KSP3 does not suppport UCAST wake-ups for any interface */
1686                 wol->supported = WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
1687
1688                 if (adapter->wol & E1000_WUFC_EX)
1689                         DPRINTK(DRV, ERR, "Interface does not support "
1690                         "directed (unicast) frame wake-up packets\n");
1691                 wol->wolopts = 0;
1692                 goto do_defaults;
1693
1694         case E1000_DEV_ID_82546EB_FIBER:
1695         case E1000_DEV_ID_82546GB_FIBER:
1696         case E1000_DEV_ID_82571EB_FIBER:
1697                 /* Wake events only supported on port A for dual fiber */
1698                 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1699                         wol->supported = 0;
1700                         wol->wolopts   = 0;
1701                         return;
1702                 }
1703                 /* Fall Through */
1704
1705         default:
1706                 wol->supported = WAKE_UCAST | WAKE_MCAST |
1707                                  WAKE_BCAST | WAKE_MAGIC;
1708                 wol->wolopts = 0;
1709
1710 do_defaults:
1711                 if (adapter->wol & E1000_WUFC_EX)
1712                         wol->wolopts |= WAKE_UCAST;
1713                 if (adapter->wol & E1000_WUFC_MC)
1714                         wol->wolopts |= WAKE_MCAST;
1715                 if (adapter->wol & E1000_WUFC_BC)
1716                         wol->wolopts |= WAKE_BCAST;
1717                 if (adapter->wol & E1000_WUFC_MAG)
1718                         wol->wolopts |= WAKE_MAGIC;
1719                 return;
1720         }
1721 }
1722
1723 static int
1724 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1725 {
1726         struct e1000_adapter *adapter = netdev_priv(netdev);
1727         struct e1000_hw *hw = &adapter->hw;
1728
1729         switch (adapter->hw.device_id) {
1730         case E1000_DEV_ID_82542:
1731         case E1000_DEV_ID_82543GC_FIBER:
1732         case E1000_DEV_ID_82543GC_COPPER:
1733         case E1000_DEV_ID_82544EI_FIBER:
1734         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1735         case E1000_DEV_ID_82546GB_QUAD_COPPER:
1736         case E1000_DEV_ID_82545EM_FIBER:
1737         case E1000_DEV_ID_82545EM_COPPER:
1738                 return wol->wolopts ? -EOPNOTSUPP : 0;
1739
1740         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1741                 /* device id 10B5 port-A supports wol */
1742                 if (!adapter->ksp3_port_a)
1743                         return wol->wolopts ? -EOPNOTSUPP : 0;
1744
1745                 if (wol->wolopts & WAKE_UCAST) {
1746                         DPRINTK(DRV, ERR, "Interface does not support "
1747                         "directed (unicast) frame wake-up packets\n");
1748                         return -EOPNOTSUPP;
1749                 }
1750
1751         case E1000_DEV_ID_82546EB_FIBER:
1752         case E1000_DEV_ID_82546GB_FIBER:
1753         case E1000_DEV_ID_82571EB_FIBER:
1754                 /* Wake events only supported on port A for dual fiber */
1755                 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
1756                         return wol->wolopts ? -EOPNOTSUPP : 0;
1757                 /* Fall Through */
1758
1759         default:
1760                 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1761                         return -EOPNOTSUPP;
1762
1763                 adapter->wol = 0;
1764
1765                 if (wol->wolopts & WAKE_UCAST)
1766                         adapter->wol |= E1000_WUFC_EX;
1767                 if (wol->wolopts & WAKE_MCAST)
1768                         adapter->wol |= E1000_WUFC_MC;
1769                 if (wol->wolopts & WAKE_BCAST)
1770                         adapter->wol |= E1000_WUFC_BC;
1771                 if (wol->wolopts & WAKE_MAGIC)
1772                         adapter->wol |= E1000_WUFC_MAG;
1773         }
1774
1775         return 0;
1776 }
1777
1778 /* toggle LED 4 times per second = 2 "blinks" per second */
1779 #define E1000_ID_INTERVAL       (HZ/4)
1780
1781 /* bit defines for adapter->led_status */
1782 #define E1000_LED_ON            0
1783
1784 static void
1785 e1000_led_blink_callback(unsigned long data)
1786 {
1787         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1788
1789         if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1790                 e1000_led_off(&adapter->hw);
1791         else
1792                 e1000_led_on(&adapter->hw);
1793
1794         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1795 }
1796
1797 static int
1798 e1000_phys_id(struct net_device *netdev, uint32_t data)
1799 {
1800         struct e1000_adapter *adapter = netdev_priv(netdev);
1801
1802         if (!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1803                 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1804
1805         if (adapter->hw.mac_type < e1000_82571) {
1806                 if (!adapter->blink_timer.function) {
1807                         init_timer(&adapter->blink_timer);
1808                         adapter->blink_timer.function = e1000_led_blink_callback;
1809                         adapter->blink_timer.data = (unsigned long) adapter;
1810                 }
1811                 e1000_setup_led(&adapter->hw);
1812                 mod_timer(&adapter->blink_timer, jiffies);
1813                 msleep_interruptible(data * 1000);
1814                 del_timer_sync(&adapter->blink_timer);
1815         } else if (adapter->hw.phy_type == e1000_phy_ife) {
1816                 if (!adapter->blink_timer.function) {
1817                         init_timer(&adapter->blink_timer);
1818                         adapter->blink_timer.function = e1000_led_blink_callback;
1819                         adapter->blink_timer.data = (unsigned long) adapter;
1820                 }
1821                 mod_timer(&adapter->blink_timer, jiffies);
1822                 msleep_interruptible(data * 1000);
1823                 del_timer_sync(&adapter->blink_timer);
1824                 e1000_write_phy_reg(&(adapter->hw), IFE_PHY_SPECIAL_CONTROL_LED, 0);
1825         } else {
1826                 e1000_blink_led_start(&adapter->hw);
1827                 msleep_interruptible(data * 1000);
1828         }
1829
1830         e1000_led_off(&adapter->hw);
1831         clear_bit(E1000_LED_ON, &adapter->led_status);
1832         e1000_cleanup_led(&adapter->hw);
1833
1834         return 0;
1835 }
1836
1837 static int
1838 e1000_nway_reset(struct net_device *netdev)
1839 {
1840         struct e1000_adapter *adapter = netdev_priv(netdev);
1841         if (netif_running(netdev))
1842                 e1000_reinit_locked(adapter);
1843         return 0;
1844 }
1845
1846 static int
1847 e1000_get_stats_count(struct net_device *netdev)
1848 {
1849         return E1000_STATS_LEN;
1850 }
1851
1852 static void
1853 e1000_get_ethtool_stats(struct net_device *netdev,
1854                 struct ethtool_stats *stats, uint64_t *data)
1855 {
1856         struct e1000_adapter *adapter = netdev_priv(netdev);
1857         int i;
1858
1859         e1000_update_stats(adapter);
1860         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1861                 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1862                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1863                         sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1864         }
1865 /*      BUG_ON(i != E1000_STATS_LEN); */
1866 }
1867
1868 static void
1869 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1870 {
1871         uint8_t *p = data;
1872         int i;
1873
1874         switch (stringset) {
1875         case ETH_SS_TEST:
1876                 memcpy(data, *e1000_gstrings_test,
1877                         E1000_TEST_LEN*ETH_GSTRING_LEN);
1878                 break;
1879         case ETH_SS_STATS:
1880                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1881                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1882                                ETH_GSTRING_LEN);
1883                         p += ETH_GSTRING_LEN;
1884                 }
1885 /*              BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1886                 break;
1887         }
1888 }
1889
1890 static struct ethtool_ops e1000_ethtool_ops = {
1891         .get_settings           = e1000_get_settings,
1892         .set_settings           = e1000_set_settings,
1893         .get_drvinfo            = e1000_get_drvinfo,
1894         .get_regs_len           = e1000_get_regs_len,
1895         .get_regs               = e1000_get_regs,
1896         .get_wol                = e1000_get_wol,
1897         .set_wol                = e1000_set_wol,
1898         .get_msglevel           = e1000_get_msglevel,
1899         .set_msglevel           = e1000_set_msglevel,
1900         .nway_reset             = e1000_nway_reset,
1901         .get_link               = ethtool_op_get_link,
1902         .get_eeprom_len         = e1000_get_eeprom_len,
1903         .get_eeprom             = e1000_get_eeprom,
1904         .set_eeprom             = e1000_set_eeprom,
1905         .get_ringparam          = e1000_get_ringparam,
1906         .set_ringparam          = e1000_set_ringparam,
1907         .get_pauseparam         = e1000_get_pauseparam,
1908         .set_pauseparam         = e1000_set_pauseparam,
1909         .get_rx_csum            = e1000_get_rx_csum,
1910         .set_rx_csum            = e1000_set_rx_csum,
1911         .get_tx_csum            = e1000_get_tx_csum,
1912         .set_tx_csum            = e1000_set_tx_csum,
1913         .get_sg                 = ethtool_op_get_sg,
1914         .set_sg                 = ethtool_op_set_sg,
1915 #ifdef NETIF_F_TSO
1916         .get_tso                = ethtool_op_get_tso,
1917         .set_tso                = e1000_set_tso,
1918 #endif
1919         .self_test_count        = e1000_diag_test_count,
1920         .self_test              = e1000_diag_test,
1921         .get_strings            = e1000_get_strings,
1922         .phys_id                = e1000_phys_id,
1923         .get_stats_count        = e1000_get_stats_count,
1924         .get_ethtool_stats      = e1000_get_ethtool_stats,
1925         .get_perm_addr          = ethtool_op_get_perm_addr,
1926 };
1927
1928 void e1000_set_ethtool_ops(struct net_device *netdev)
1929 {
1930         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1931 }