git.oblomov.eu Git - linux-2.6/blob - drivers/net/e1000/e1000_ethtool.c

   1 /*******************************************************************************
   2
   3
   4   Copyright(c) 1999 - 2005 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   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 /* ethtool support for e1000 */
  30
  31 #include "e1000.h"
  32
  33 #include <asm/uaccess.h>
  34
  35 struct e1000_stats {
  36         char stat_string[ETH_GSTRING_LEN];
  37         int sizeof_stat;
  38         int stat_offset;
  39 };
  40
  41 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
  42                       offsetof(struct e1000_adapter, m)
  43 static const struct e1000_stats e1000_gstrings_stats[] = {
  44         { "rx_packets", E1000_STAT(net_stats.rx_packets) },
  45         { "tx_packets", E1000_STAT(net_stats.tx_packets) },
  46         { "rx_bytes", E1000_STAT(net_stats.rx_bytes) },
  47         { "tx_bytes", E1000_STAT(net_stats.tx_bytes) },
  48         { "rx_errors", E1000_STAT(net_stats.rx_errors) },
  49         { "tx_errors", E1000_STAT(net_stats.tx_errors) },
  50         { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
  51         { "multicast", E1000_STAT(net_stats.multicast) },
  52         { "collisions", E1000_STAT(net_stats.collisions) },
  53         { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
  54         { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
  55         { "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) },
  56         { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
  57         { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
  58         { "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) },
  59         { "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) },
  60         { "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) },
  61         { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
  62         { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
  63         { "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) },
  64         { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
  65         { "tx_deferred_ok", E1000_STAT(stats.dc) },
  66         { "tx_single_coll_ok", E1000_STAT(stats.scc) },
  67         { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
  68         { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
  69         { "rx_long_length_errors", E1000_STAT(stats.roc) },
  70         { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  71         { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  72         { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  73         { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  74         { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  75         { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  76         { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  77         { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  78         { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
  79         { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  80         { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
  81         { "rx_header_split", E1000_STAT(rx_hdr_split) },
  82         { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
  83 };
  84
  85 #define E1000_QUEUE_STATS_LEN 0
  86 #define E1000_GLOBAL_STATS_LEN  \
  87         sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
  88 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
  89 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
  90         "Register test  (offline)", "Eeprom test    (offline)",
  91         "Interrupt test (offline)", "Loopback test  (offline)",
  92         "Link test   (on/offline)"
  93 };
  94 #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
  95
  96 static int
  97 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
  98 {
  99         struct e1000_adapter *adapter = netdev_priv(netdev);
 100         struct e1000_hw *hw = &adapter->hw;
 101
 102         if (hw->media_type == e1000_media_type_copper) {
 103
 104                 ecmd->supported = (SUPPORTED_10baseT_Half |
 105                                    SUPPORTED_10baseT_Full |
 106                                    SUPPORTED_100baseT_Half |
 107                                    SUPPORTED_100baseT_Full |
 108                                    SUPPORTED_1000baseT_Full|
 109                                    SUPPORTED_Autoneg |
 110                                    SUPPORTED_TP);
 111
 112                 ecmd->advertising = ADVERTISED_TP;
 113
 114                 if (hw->autoneg == 1) {
 115                         ecmd->advertising |= ADVERTISED_Autoneg;
 116
 117                         /* the e1000 autoneg seems to match ethtool nicely */
 118
 119                         ecmd->advertising |= hw->autoneg_advertised;
 120                 }
 121
 122                 ecmd->port = PORT_TP;
 123                 ecmd->phy_address = hw->phy_addr;
 124
 125                 if (hw->mac_type == e1000_82543)
 126                         ecmd->transceiver = XCVR_EXTERNAL;
 127                 else
 128                         ecmd->transceiver = XCVR_INTERNAL;
 129
 130         } else {
 131                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 132                                      SUPPORTED_FIBRE |
 133                                      SUPPORTED_Autoneg);
 134
 135                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 136                                      ADVERTISED_FIBRE |
 137                                      ADVERTISED_Autoneg);
 138
 139                 ecmd->port = PORT_FIBRE;
 140
 141                 if (hw->mac_type >= e1000_82545)
 142                         ecmd->transceiver = XCVR_INTERNAL;
 143                 else
 144                         ecmd->transceiver = XCVR_EXTERNAL;
 145         }
 146
 147         if (netif_carrier_ok(adapter->netdev)) {
 148
 149                 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
 150                                                    &adapter->link_duplex);
 151                 ecmd->speed = adapter->link_speed;
 152
 153                 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
 154                  *          and HALF_DUPLEX != DUPLEX_HALF */
 155
 156                 if (adapter->link_duplex == FULL_DUPLEX)
 157                         ecmd->duplex = DUPLEX_FULL;
 158                 else
 159                         ecmd->duplex = DUPLEX_HALF;
 160         } else {
 161                 ecmd->speed = -1;
 162                 ecmd->duplex = -1;
 163         }
 164
 165         ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
 166                          hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 167         return 0;
 168 }
 169
 170 static int
 171 e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 172 {
 173         struct e1000_adapter *adapter = netdev_priv(netdev);
 174         struct e1000_hw *hw = &adapter->hw;
 175
 176         /* When SoL/IDER sessions are active, autoneg/speed/duplex
 177          * cannot be changed */
 178         if (e1000_check_phy_reset_block(hw)) {
 179                 DPRINTK(DRV, ERR, "Cannot change link characteristics "
 180                         "when SoL/IDER is active.\n");
 181                 return -EINVAL;
 182         }
 183
 184         if (ecmd->autoneg == AUTONEG_ENABLE) {
 185                 hw->autoneg = 1;
 186                 if (hw->media_type == e1000_media_type_fiber)
 187                         hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
 188                                      ADVERTISED_FIBRE |
 189                                      ADVERTISED_Autoneg;
 190                 else
 191                         hw->autoneg_advertised = ADVERTISED_10baseT_Half |
 192                                                   ADVERTISED_10baseT_Full |
 193                                                   ADVERTISED_100baseT_Half |
 194                                                   ADVERTISED_100baseT_Full |
 195                                                   ADVERTISED_1000baseT_Full|
 196                                                   ADVERTISED_Autoneg |
 197                                                   ADVERTISED_TP;
 198                 ecmd->advertising = hw->autoneg_advertised;
 199         } else
 200                 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
 201                         return -EINVAL;
 202
 203         /* reset the link */
 204
 205         if (netif_running(adapter->netdev)) {
 206                 e1000_down(adapter);
 207                 e1000_reset(adapter);
 208                 e1000_up(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_down(adapter);
 258                         e1000_up(adapter);
 259                 } else
 260                         e1000_reset(adapter);
 261         } else
 262                 return ((hw->media_type == e1000_media_type_fiber) ?
 263                         e1000_setup_link(hw) : e1000_force_mac_fc(hw));
 264
 265         return 0;
 266 }
 267
 268 static uint32_t
 269 e1000_get_rx_csum(struct net_device *netdev)
 270 {
 271         struct e1000_adapter *adapter = netdev_priv(netdev);
 272         return adapter->rx_csum;
 273 }
 274
 275 static int
 276 e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
 277 {
 278         struct e1000_adapter *adapter = netdev_priv(netdev);
 279         adapter->rx_csum = data;
 280
 281         if (netif_running(netdev)) {
 282                 e1000_down(adapter);
 283                 e1000_up(adapter);
 284         } else
 285                 e1000_reset(adapter);
 286         return 0;
 287 }
 288
 289 static uint32_t
 290 e1000_get_tx_csum(struct net_device *netdev)
 291 {
 292         return (netdev->features & NETIF_F_HW_CSUM) != 0;
 293 }
 294
 295 static int
 296 e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
 297 {
 298         struct e1000_adapter *adapter = netdev_priv(netdev);
 299
 300         if (adapter->hw.mac_type < e1000_82543) {
 301                 if (!data)
 302                         return -EINVAL;
 303                 return 0;
 304         }
 305
 306         if (data)
 307                 netdev->features |= NETIF_F_HW_CSUM;
 308         else
 309                 netdev->features &= ~NETIF_F_HW_CSUM;
 310
 311         return 0;
 312 }
 313
 314 #ifdef NETIF_F_TSO
 315 static int
 316 e1000_set_tso(struct net_device *netdev, uint32_t data)
 317 {
 318         struct e1000_adapter *adapter = netdev_priv(netdev);
 319         if ((adapter->hw.mac_type < e1000_82544) ||
 320             (adapter->hw.mac_type == e1000_82547))
 321                 return data ? -EINVAL : 0;
 322
 323         if (data)
 324                 netdev->features |= NETIF_F_TSO;
 325         else
 326                 netdev->features &= ~NETIF_F_TSO;
 327
 328         DPRINTK(PROBE, INFO, "TSO is %s\n", data ? "Enabled" : "Disabled");
 329         adapter->tso_force = TRUE;
 330         return 0;
 331 }
 332 #endif /* NETIF_F_TSO */
 333
 334 static uint32_t
 335 e1000_get_msglevel(struct net_device *netdev)
 336 {
 337         struct e1000_adapter *adapter = netdev_priv(netdev);
 338         return adapter->msg_enable;
 339 }
 340
 341 static void
 342 e1000_set_msglevel(struct net_device *netdev, uint32_t data)
 343 {
 344         struct e1000_adapter *adapter = netdev_priv(netdev);
 345         adapter->msg_enable = data;
 346 }
 347
 348 static int
 349 e1000_get_regs_len(struct net_device *netdev)
 350 {
 351 #define E1000_REGS_LEN 32
 352         return E1000_REGS_LEN * sizeof(uint32_t);
 353 }
 354
 355 static void
 356 e1000_get_regs(struct net_device *netdev,
 357                struct ethtool_regs *regs, void *p)
 358 {
 359         struct e1000_adapter *adapter = netdev_priv(netdev);
 360         struct e1000_hw *hw = &adapter->hw;
 361         uint32_t *regs_buff = p;
 362         uint16_t phy_data;
 363
 364         memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));
 365
 366         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 367
 368         regs_buff[0]  = E1000_READ_REG(hw, CTRL);
 369         regs_buff[1]  = E1000_READ_REG(hw, STATUS);
 370
 371         regs_buff[2]  = E1000_READ_REG(hw, RCTL);
 372         regs_buff[3]  = E1000_READ_REG(hw, RDLEN);
 373         regs_buff[4]  = E1000_READ_REG(hw, RDH);
 374         regs_buff[5]  = E1000_READ_REG(hw, RDT);
 375         regs_buff[6]  = E1000_READ_REG(hw, RDTR);
 376
 377         regs_buff[7]  = E1000_READ_REG(hw, TCTL);
 378         regs_buff[8]  = E1000_READ_REG(hw, TDLEN);
 379         regs_buff[9]  = E1000_READ_REG(hw, TDH);
 380         regs_buff[10] = E1000_READ_REG(hw, TDT);
 381         regs_buff[11] = E1000_READ_REG(hw, TIDV);
 382
 383         regs_buff[12] = adapter->hw.phy_type;  /* PHY type (IGP=1, M88=0) */
 384         if (hw->phy_type == e1000_phy_igp) {
 385                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 386                                     IGP01E1000_PHY_AGC_A);
 387                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
 388                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 389                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 390                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 391                                     IGP01E1000_PHY_AGC_B);
 392                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
 393                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 394                 regs_buff[14] = (uint32_t)phy_data; /* cable length */
 395                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 396                                     IGP01E1000_PHY_AGC_C);
 397                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
 398                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 399                 regs_buff[15] = (uint32_t)phy_data; /* cable length */
 400                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 401                                     IGP01E1000_PHY_AGC_D);
 402                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
 403                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 404                 regs_buff[16] = (uint32_t)phy_data; /* cable length */
 405                 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
 406                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 407                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
 408                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 409                 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
 410                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 411                                     IGP01E1000_PHY_PCS_INIT_REG);
 412                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
 413                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 414                 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
 415                 regs_buff[20] = 0; /* polarity correction enabled (always) */
 416                 regs_buff[22] = 0; /* phy receive errors (unavailable) */
 417                 regs_buff[23] = regs_buff[18]; /* mdix mode */
 418                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 419         } else {
 420                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 421                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 422                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 423                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 424                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 425                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 426                 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
 427                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 428                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 429                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 430                 /* phy receive errors */
 431                 regs_buff[22] = adapter->phy_stats.receive_errors;
 432                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 433         }
 434         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 435         e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
 436         regs_buff[24] = (uint32_t)phy_data;  /* phy local receiver status */
 437         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 438         if (hw->mac_type >= e1000_82540 &&
 439            hw->media_type == e1000_media_type_copper) {
 440                 regs_buff[26] = E1000_READ_REG(hw, MANC);
 441         }
 442 }
 443
 444 static int
 445 e1000_get_eeprom_len(struct net_device *netdev)
 446 {
 447         struct e1000_adapter *adapter = netdev_priv(netdev);
 448         return adapter->hw.eeprom.word_size * 2;
 449 }
 450
 451 static int
 452 e1000_get_eeprom(struct net_device *netdev,
 453                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 454 {
 455         struct e1000_adapter *adapter = netdev_priv(netdev);
 456         struct e1000_hw *hw = &adapter->hw;
 457         uint16_t *eeprom_buff;
 458         int first_word, last_word;
 459         int ret_val = 0;
 460         uint16_t i;
 461
 462         if (eeprom->len == 0)
 463                 return -EINVAL;
 464
 465         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 466
 467         first_word = eeprom->offset >> 1;
 468         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 469
 470         eeprom_buff = kmalloc(sizeof(uint16_t) *
 471                         (last_word - first_word + 1), GFP_KERNEL);
 472         if (!eeprom_buff)
 473                 return -ENOMEM;
 474
 475         if (hw->eeprom.type == e1000_eeprom_spi)
 476                 ret_val = e1000_read_eeprom(hw, first_word,
 477                                             last_word - first_word + 1,
 478                                             eeprom_buff);
 479         else {
 480                 for (i = 0; i < last_word - first_word + 1; i++)
 481                         if ((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
 482                                                         &eeprom_buff[i])))
 483                                 break;
 484         }
 485
 486         /* Device's eeprom is always little-endian, word addressable */
 487         for (i = 0; i < last_word - first_word + 1; i++)
 488                 le16_to_cpus(&eeprom_buff[i]);
 489
 490         memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
 491                         eeprom->len);
 492         kfree(eeprom_buff);
 493
 494         return ret_val;
 495 }
 496
 497 static int
 498 e1000_set_eeprom(struct net_device *netdev,
 499                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 500 {
 501         struct e1000_adapter *adapter = netdev_priv(netdev);
 502         struct e1000_hw *hw = &adapter->hw;
 503         uint16_t *eeprom_buff;
 504         void *ptr;
 505         int max_len, first_word, last_word, ret_val = 0;
 506         uint16_t i;
 507
 508         if (eeprom->len == 0)
 509                 return -EOPNOTSUPP;
 510
 511         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 512                 return -EFAULT;
 513
 514         max_len = hw->eeprom.word_size * 2;
 515
 516         first_word = eeprom->offset >> 1;
 517         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 518         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 519         if (!eeprom_buff)
 520                 return -ENOMEM;
 521
 522         ptr = (void *)eeprom_buff;
 523
 524         if (eeprom->offset & 1) {
 525                 /* need read/modify/write of first changed EEPROM word */
 526                 /* only the second byte of the word is being modified */
 527                 ret_val = e1000_read_eeprom(hw, first_word, 1,
 528                                             &eeprom_buff[0]);
 529                 ptr++;
 530         }
 531         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 532                 /* need read/modify/write of last changed EEPROM word */
 533                 /* only the first byte of the word is being modified */
 534                 ret_val = e1000_read_eeprom(hw, last_word, 1,
 535                                   &eeprom_buff[last_word - first_word]);
 536         }
 537
 538         /* Device's eeprom is always little-endian, word addressable */
 539         for (i = 0; i < last_word - first_word + 1; i++)
 540                 le16_to_cpus(&eeprom_buff[i]);
 541
 542         memcpy(ptr, bytes, eeprom->len);
 543
 544         for (i = 0; i < last_word - first_word + 1; i++)
 545                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 546
 547         ret_val = e1000_write_eeprom(hw, first_word,
 548                                      last_word - first_word + 1, eeprom_buff);
 549
 550         /* Update the checksum over the first part of the EEPROM if needed
 551          * and flush shadow RAM for 82573 conrollers */
 552         if ((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) ||
 553                                 (hw->mac_type == e1000_82573)))
 554                 e1000_update_eeprom_checksum(hw);
 555
 556         kfree(eeprom_buff);
 557         return ret_val;
 558 }
 559
 560 static void
 561 e1000_get_drvinfo(struct net_device *netdev,
 562                        struct ethtool_drvinfo *drvinfo)
 563 {
 564         struct e1000_adapter *adapter = netdev_priv(netdev);
 565         char firmware_version[32];
 566         uint16_t eeprom_data;
 567
 568         strncpy(drvinfo->driver,  e1000_driver_name, 32);
 569         strncpy(drvinfo->version, e1000_driver_version, 32);
 570
 571         /* EEPROM image version # is reported as firmware version # for
 572          * 8257{1|2|3} controllers */
 573         e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data);
 574         switch (adapter->hw.mac_type) {
 575         case e1000_82571:
 576         case e1000_82572:
 577         case e1000_82573:
 578         case e1000_80003es2lan:
 579                 sprintf(firmware_version, "%d.%d-%d",
 580                         (eeprom_data & 0xF000) >> 12,
 581                         (eeprom_data & 0x0FF0) >> 4,
 582                         eeprom_data & 0x000F);
 583                 break;
 584         default:
 585                 sprintf(firmware_version, "N/A");
 586         }
 587
 588         strncpy(drvinfo->fw_version, firmware_version, 32);
 589         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 590         drvinfo->n_stats = E1000_STATS_LEN;
 591         drvinfo->testinfo_len = E1000_TEST_LEN;
 592         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 593         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 594 }
 595
 596 static void
 597 e1000_get_ringparam(struct net_device *netdev,
 598                     struct ethtool_ringparam *ring)
 599 {
 600         struct e1000_adapter *adapter = netdev_priv(netdev);
 601         e1000_mac_type mac_type = adapter->hw.mac_type;
 602         struct e1000_tx_ring *txdr = adapter->tx_ring;
 603         struct e1000_rx_ring *rxdr = adapter->rx_ring;
 604
 605         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 606                 E1000_MAX_82544_RXD;
 607         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 608                 E1000_MAX_82544_TXD;
 609         ring->rx_mini_max_pending = 0;
 610         ring->rx_jumbo_max_pending = 0;
 611         ring->rx_pending = rxdr->count;
 612         ring->tx_pending = txdr->count;
 613         ring->rx_mini_pending = 0;
 614         ring->rx_jumbo_pending = 0;
 615 }
 616
 617 static int
 618 e1000_set_ringparam(struct net_device *netdev,
 619                     struct ethtool_ringparam *ring)
 620 {
 621         struct e1000_adapter *adapter = netdev_priv(netdev);
 622         e1000_mac_type mac_type = adapter->hw.mac_type;
 623         struct e1000_tx_ring *txdr, *tx_old, *tx_new;
 624         struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
 625         int i, err, tx_ring_size, rx_ring_size;
 626
 627         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 628                 return -EINVAL;
 629
 630         tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
 631         rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
 632
 633         if (netif_running(adapter->netdev))
 634                 e1000_down(adapter);
 635
 636         tx_old = adapter->tx_ring;
 637         rx_old = adapter->rx_ring;
 638
 639         adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
 640         if (!adapter->tx_ring) {
 641                 err = -ENOMEM;
 642                 goto err_setup_rx;
 643         }
 644         memset(adapter->tx_ring, 0, tx_ring_size);
 645
 646         adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
 647         if (!adapter->rx_ring) {
 648                 kfree(adapter->tx_ring);
 649                 err = -ENOMEM;
 650                 goto err_setup_rx;
 651         }
 652         memset(adapter->rx_ring, 0, rx_ring_size);
 653
 654         txdr = adapter->tx_ring;
 655         rxdr = adapter->rx_ring;
 656
 657         rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
 658         rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
 659                 E1000_MAX_RXD : E1000_MAX_82544_RXD));
 660         E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 661
 662         txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
 663         txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
 664                 E1000_MAX_TXD : E1000_MAX_82544_TXD));
 665         E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 666
 667         for (i = 0; i < adapter->num_tx_queues; i++)
 668                 txdr[i].count = txdr->count;
 669         for (i = 0; i < adapter->num_rx_queues; i++)
 670                 rxdr[i].count = rxdr->count;
 671
 672         if (netif_running(adapter->netdev)) {
 673                 /* Try to get new resources before deleting old */
 674                 if ((err = e1000_setup_all_rx_resources(adapter)))
 675                         goto err_setup_rx;
 676                 if ((err = e1000_setup_all_tx_resources(adapter)))
 677                         goto err_setup_tx;
 678
 679                 /* save the new, restore the old in order to free it,
 680                  * then restore the new back again */
 681
 682                 rx_new = adapter->rx_ring;
 683                 tx_new = adapter->tx_ring;
 684                 adapter->rx_ring = rx_old;
 685                 adapter->tx_ring = tx_old;
 686                 e1000_free_all_rx_resources(adapter);
 687                 e1000_free_all_tx_resources(adapter);
 688                 kfree(tx_old);
 689                 kfree(rx_old);
 690                 adapter->rx_ring = rx_new;
 691                 adapter->tx_ring = tx_new;
 692                 if ((err = e1000_up(adapter)))
 693                         return err;
 694         }
 695
 696         return 0;
 697 err_setup_tx:
 698         e1000_free_all_rx_resources(adapter);
 699 err_setup_rx:
 700         adapter->rx_ring = rx_old;
 701         adapter->tx_ring = tx_old;
 702         e1000_up(adapter);
 703         return err;
 704 }
 705
 706 #define REG_PATTERN_TEST(R, M, W)                                              \
 707 {                                                                              \
 708         uint32_t pat, value;                                                   \
 709         uint32_t test[] =                                                      \
 710                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};              \
 711         for (pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) {              \
 712                 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W));             \
 713                 value = E1000_READ_REG(&adapter->hw, R);                       \
 714                 if (value != (test[pat] & W & M)) {                             \
 715                         DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
 716                                 "0x%08X expected 0x%08X\n",                    \
 717                                 E1000_##R, value, (test[pat] & W & M));        \
 718                         *data = (adapter->hw.mac_type < e1000_82543) ?         \
 719                                 E1000_82542_##R : E1000_##R;                   \
 720                         return 1;                                              \
 721                 }                                                              \
 722         }                                                                      \
 723 }
 724
 725 #define REG_SET_AND_CHECK(R, M, W)                                             \
 726 {                                                                              \
 727         uint32_t value;                                                        \
 728         E1000_WRITE_REG(&adapter->hw, R, W & M);                               \
 729         value = E1000_READ_REG(&adapter->hw, R);                               \
 730         if ((W & M) != (value & M)) {                                          \
 731                 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
 732                         "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
 733                 *data = (adapter->hw.mac_type < e1000_82543) ?                 \
 734                         E1000_82542_##R : E1000_##R;                           \
 735                 return 1;                                                      \
 736         }                                                                      \
 737 }
 738
 739 static int
 740 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
 741 {
 742         uint32_t value, before, after;
 743         uint32_t i, toggle;
 744
 745         /* The status register is Read Only, so a write should fail.
 746          * Some bits that get toggled are ignored.
 747          */
 748         switch (adapter->hw.mac_type) {
 749         /* there are several bits on newer hardware that are r/w */
 750         case e1000_82571:
 751         case e1000_82572:
 752         case e1000_80003es2lan:
 753                 toggle = 0x7FFFF3FF;
 754                 break;
 755         case e1000_82573:
 756                 toggle = 0x7FFFF033;
 757                 break;
 758         default:
 759                 toggle = 0xFFFFF833;
 760                 break;
 761         }
 762
 763         before = E1000_READ_REG(&adapter->hw, STATUS);
 764         value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
 765         E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
 766         after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
 767         if (value != after) {
 768                 DPRINTK(DRV, ERR, "failed STATUS register test got: "
 769                         "0x%08X expected: 0x%08X\n", after, value);
 770                 *data = 1;
 771                 return 1;
 772         }
 773         /* restore previous status */
 774         E1000_WRITE_REG(&adapter->hw, STATUS, before);
 775
 776         REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 777         REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 778         REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 779         REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 780         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 781         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 782         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 783         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 784         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 785         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 786         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 787         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 788         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 789         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 790
 791         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 792         REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
 793         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 794
 795         if (adapter->hw.mac_type >= e1000_82543) {
 796
 797                 REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF);
 798                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 799                 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 800                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 801                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 802
 803                 for (i = 0; i < E1000_RAR_ENTRIES; i++) {
 804                         REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
 805                                          0xFFFFFFFF);
 806                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 807                                          0xFFFFFFFF);
 808                 }
 809
 810         } else {
 811
 812                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 813                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 814                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 815                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 816
 817         }
 818
 819         for (i = 0; i < E1000_MC_TBL_SIZE; i++)
 820                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 821
 822         *data = 0;
 823         return 0;
 824 }
 825
 826 static int
 827 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
 828 {
 829         uint16_t temp;
 830         uint16_t checksum = 0;
 831         uint16_t i;
 832
 833         *data = 0;
 834         /* Read and add up the contents of the EEPROM */
 835         for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 836                 if ((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
 837                         *data = 1;
 838                         break;
 839                 }
 840                 checksum += temp;
 841         }
 842
 843         /* If Checksum is not Correct return error else test passed */
 844         if ((checksum != (uint16_t) EEPROM_SUM) && !(*data))
 845                 *data = 2;
 846
 847         return *data;
 848 }
 849
 850 static irqreturn_t
 851 e1000_test_intr(int irq,
 852                 void *data,
 853                 struct pt_regs *regs)
 854 {
 855         struct net_device *netdev = (struct net_device *) data;
 856         struct e1000_adapter *adapter = netdev_priv(netdev);
 857
 858         adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
 859
 860         return IRQ_HANDLED;
 861 }
 862
 863 static int
 864 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
 865 {
 866         struct net_device *netdev = adapter->netdev;
 867         uint32_t mask, i=0, shared_int = TRUE;
 868         uint32_t irq = adapter->pdev->irq;
 869
 870         *data = 0;
 871
 872         /* Hook up test interrupt handler just for this test */
 873         if (!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
 874                 shared_int = FALSE;
 875         } else if (request_irq(irq, &e1000_test_intr, SA_SHIRQ,
 876                               netdev->name, netdev)){
 877                 *data = 1;
 878                 return -1;
 879         }
 880
 881         /* Disable all the interrupts */
 882         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 883         msec_delay(10);
 884
 885         /* Test each interrupt */
 886         for (; i < 10; i++) {
 887
 888                 /* Interrupt to test */
 889                 mask = 1 << i;
 890
 891                 if (!shared_int) {
 892                         /* Disable the interrupt to be reported in
 893                          * the cause register and then force the same
 894                          * interrupt and see if one gets posted.  If
 895                          * an interrupt was posted to the bus, the
 896                          * test failed.
 897                          */
 898                         adapter->test_icr = 0;
 899                         E1000_WRITE_REG(&adapter->hw, IMC, mask);
 900                         E1000_WRITE_REG(&adapter->hw, ICS, mask);
 901                         msec_delay(10);
 902
 903                         if (adapter->test_icr & mask) {
 904                                 *data = 3;
 905                                 break;
 906                         }
 907                 }
 908
 909                 /* Enable 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 not posted to the bus, the
 913                  * test failed.
 914                  */
 915                 adapter->test_icr = 0;
 916                 E1000_WRITE_REG(&adapter->hw, IMS, mask);
 917                 E1000_WRITE_REG(&adapter->hw, ICS, mask);
 918                 msec_delay(10);
 919
 920                 if (!(adapter->test_icr & mask)) {
 921                         *data = 4;
 922                         break;
 923                 }
 924
 925                 if (!shared_int) {
 926                         /* Disable the other interrupts to be reported in
 927                          * the cause register and then force the other
 928                          * interrupts and see if any get posted.  If
 929                          * an interrupt was posted to the bus, the
 930                          * test failed.
 931                          */
 932                         adapter->test_icr = 0;
 933                         E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
 934                         E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
 935                         msec_delay(10);
 936
 937                         if (adapter->test_icr) {
 938                                 *data = 5;
 939                                 break;
 940                         }
 941                 }
 942         }
 943
 944         /* Disable all the interrupts */
 945         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 946         msec_delay(10);
 947
 948         /* Unhook test interrupt handler */
 949         free_irq(irq, netdev);
 950
 951         return *data;
 952 }
 953
 954 static void
 955 e1000_free_desc_rings(struct e1000_adapter *adapter)
 956 {
 957         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 958         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 959         struct pci_dev *pdev = adapter->pdev;
 960         int i;
 961
 962         if (txdr->desc && txdr->buffer_info) {
 963                 for (i = 0; i < txdr->count; i++) {
 964                         if (txdr->buffer_info[i].dma)
 965                                 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
 966                                                  txdr->buffer_info[i].length,
 967                                                  PCI_DMA_TODEVICE);
 968                         if (txdr->buffer_info[i].skb)
 969                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 970                 }
 971         }
 972
 973         if (rxdr->desc && rxdr->buffer_info) {
 974                 for (i = 0; i < rxdr->count; i++) {
 975                         if (rxdr->buffer_info[i].dma)
 976                                 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
 977                                                  rxdr->buffer_info[i].length,
 978                                                  PCI_DMA_FROMDEVICE);
 979                         if (rxdr->buffer_info[i].skb)
 980                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
 981                 }
 982         }
 983
 984         if (txdr->desc) {
 985                 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
 986                 txdr->desc = NULL;
 987         }
 988         if (rxdr->desc) {
 989                 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
 990                 rxdr->desc = NULL;
 991         }
 992
 993         kfree(txdr->buffer_info);
 994         txdr->buffer_info = NULL;
 995         kfree(rxdr->buffer_info);
 996         rxdr->buffer_info = NULL;
 997
 998         return;
 999 }
1000
1001 static int
1002 e1000_setup_desc_rings(struct e1000_adapter *adapter)
1003 {
1004         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1005         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1006         struct pci_dev *pdev = adapter->pdev;
1007         uint32_t rctl;
1008         int size, i, ret_val;
1009
1010         /* Setup Tx descriptor ring and Tx buffers */
1011
1012         if (!txdr->count)
1013                 txdr->count = E1000_DEFAULT_TXD;
1014
1015         size = txdr->count * sizeof(struct e1000_buffer);
1016         if (!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1017                 ret_val = 1;
1018                 goto err_nomem;
1019         }
1020         memset(txdr->buffer_info, 0, size);
1021
1022         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1023         E1000_ROUNDUP(txdr->size, 4096);
1024         if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
1025                 ret_val = 2;
1026                 goto err_nomem;
1027         }
1028         memset(txdr->desc, 0, txdr->size);
1029         txdr->next_to_use = txdr->next_to_clean = 0;
1030
1031         E1000_WRITE_REG(&adapter->hw, TDBAL,
1032                         ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
1033         E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
1034         E1000_WRITE_REG(&adapter->hw, TDLEN,
1035                         txdr->count * sizeof(struct e1000_tx_desc));
1036         E1000_WRITE_REG(&adapter->hw, TDH, 0);
1037         E1000_WRITE_REG(&adapter->hw, TDT, 0);
1038         E1000_WRITE_REG(&adapter->hw, TCTL,
1039                         E1000_TCTL_PSP | E1000_TCTL_EN |
1040                         E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1041                         E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1042
1043         for (i = 0; i < txdr->count; i++) {
1044                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1045                 struct sk_buff *skb;
1046                 unsigned int size = 1024;
1047
1048                 if (!(skb = alloc_skb(size, GFP_KERNEL))) {
1049                         ret_val = 3;
1050                         goto err_nomem;
1051                 }
1052                 skb_put(skb, size);
1053                 txdr->buffer_info[i].skb = skb;
1054                 txdr->buffer_info[i].length = skb->len;
1055                 txdr->buffer_info[i].dma =
1056                         pci_map_single(pdev, skb->data, skb->len,
1057                                        PCI_DMA_TODEVICE);
1058                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1059                 tx_desc->lower.data = cpu_to_le32(skb->len);
1060                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1061                                                    E1000_TXD_CMD_IFCS |
1062                                                    E1000_TXD_CMD_RPS);
1063                 tx_desc->upper.data = 0;
1064         }
1065
1066         /* Setup Rx descriptor ring and Rx buffers */
1067
1068         if (!rxdr->count)
1069                 rxdr->count = E1000_DEFAULT_RXD;
1070
1071         size = rxdr->count * sizeof(struct e1000_buffer);
1072         if (!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1073                 ret_val = 4;
1074                 goto err_nomem;
1075         }
1076         memset(rxdr->buffer_info, 0, size);
1077
1078         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1079         if (!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
1080                 ret_val = 5;
1081                 goto err_nomem;
1082         }
1083         memset(rxdr->desc, 0, rxdr->size);
1084         rxdr->next_to_use = rxdr->next_to_clean = 0;
1085
1086         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1087         E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
1088         E1000_WRITE_REG(&adapter->hw, RDBAL,
1089                         ((uint64_t) rxdr->dma & 0xFFFFFFFF));
1090         E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
1091         E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1092         E1000_WRITE_REG(&adapter->hw, RDH, 0);
1093         E1000_WRITE_REG(&adapter->hw, RDT, 0);
1094         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1095                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1096                 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1097         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1098
1099         for (i = 0; i < rxdr->count; i++) {
1100                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1101                 struct sk_buff *skb;
1102
1103                 if (!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1104                                 GFP_KERNEL))) {
1105                         ret_val = 6;
1106                         goto err_nomem;
1107                 }
1108                 skb_reserve(skb, NET_IP_ALIGN);
1109                 rxdr->buffer_info[i].skb = skb;
1110                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1111                 rxdr->buffer_info[i].dma =
1112                         pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1113                                        PCI_DMA_FROMDEVICE);
1114                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1115                 memset(skb->data, 0x00, skb->len);
1116         }
1117
1118         return 0;
1119
1120 err_nomem:
1121         e1000_free_desc_rings(adapter);
1122         return ret_val;
1123 }
1124
1125 static void
1126 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1127 {
1128         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1129         e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1130         e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1131         e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1132         e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1133 }
1134
1135 static void
1136 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1137 {
1138         uint16_t phy_reg;
1139
1140         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1141          * Extended PHY Specific Control Register to 25MHz clock.  This
1142          * value defaults back to a 2.5MHz clock when the PHY is reset.
1143          */
1144         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1145         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1146         e1000_write_phy_reg(&adapter->hw,
1147                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1148
1149         /* In addition, because of the s/w reset above, we need to enable
1150          * CRS on TX.  This must be set for both full and half duplex
1151          * operation.
1152          */
1153         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1154         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1155         e1000_write_phy_reg(&adapter->hw,
1156                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1157 }
1158
1159 static int
1160 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1161 {
1162         uint32_t ctrl_reg;
1163         uint16_t phy_reg;
1164
1165         /* Setup the Device Control Register for PHY loopback test. */
1166
1167         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1168         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1169                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1170                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1171                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1172                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1173
1174         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1175
1176         /* Read the PHY Specific Control Register (0x10) */
1177         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1178
1179         /* Clear Auto-Crossover bits in PHY Specific Control Register
1180          * (bits 6:5).
1181          */
1182         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1183         e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1184
1185         /* Perform software reset on the PHY */
1186         e1000_phy_reset(&adapter->hw);
1187
1188         /* Have to setup TX_CLK and TX_CRS after software reset */
1189         e1000_phy_reset_clk_and_crs(adapter);
1190
1191         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1192
1193         /* Wait for reset to complete. */
1194         udelay(500);
1195
1196         /* Have to setup TX_CLK and TX_CRS after software reset */
1197         e1000_phy_reset_clk_and_crs(adapter);
1198
1199         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1200         e1000_phy_disable_receiver(adapter);
1201
1202         /* Set the loopback bit in the PHY control register. */
1203         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1204         phy_reg |= MII_CR_LOOPBACK;
1205         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1206
1207         /* Setup TX_CLK and TX_CRS one more time. */
1208         e1000_phy_reset_clk_and_crs(adapter);
1209
1210         /* Check Phy Configuration */
1211         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1212         if (phy_reg != 0x4100)
1213                  return 9;
1214
1215         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1216         if (phy_reg != 0x0070)
1217                 return 10;
1218
1219         e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1220         if (phy_reg != 0x001A)
1221                 return 11;
1222
1223         return 0;
1224 }
1225
1226 static int
1227 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1228 {
1229         uint32_t ctrl_reg = 0;
1230         uint32_t stat_reg = 0;
1231
1232         adapter->hw.autoneg = FALSE;
1233
1234         if (adapter->hw.phy_type == e1000_phy_m88) {
1235                 /* Auto-MDI/MDIX Off */
1236                 e1000_write_phy_reg(&adapter->hw,
1237                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1238                 /* reset to update Auto-MDI/MDIX */
1239                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1240                 /* autoneg off */
1241                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1242         } else if (adapter->hw.phy_type == e1000_phy_gg82563) {
1243                 e1000_write_phy_reg(&adapter->hw,
1244                                     GG82563_PHY_KMRN_MODE_CTRL,
1245                                     0x1CE);
1246         }
1247         /* force 1000, set loopback */
1248         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1249
1250         /* Now set up the MAC to the same speed/duplex as the PHY. */
1251         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1252         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1253         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1254                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1255                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1256                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1257
1258         if (adapter->hw.media_type == e1000_media_type_copper &&
1259            adapter->hw.phy_type == e1000_phy_m88) {
1260                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1261         } else {
1262                 /* Set the ILOS bit on the fiber Nic is half
1263                  * duplex link is detected. */
1264                 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1265                 if ((stat_reg & E1000_STATUS_FD) == 0)
1266                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1267         }
1268
1269         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1270
1271         /* Disable the receiver on the PHY so when a cable is plugged in, the
1272          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1273          */
1274         if (adapter->hw.phy_type == e1000_phy_m88)
1275                 e1000_phy_disable_receiver(adapter);
1276
1277         udelay(500);
1278
1279         return 0;
1280 }
1281
1282 static int
1283 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1284 {
1285         uint16_t phy_reg = 0;
1286         uint16_t count = 0;
1287
1288         switch (adapter->hw.mac_type) {
1289         case e1000_82543:
1290                 if (adapter->hw.media_type == e1000_media_type_copper) {
1291                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1292                          * Some PHY registers get corrupted at random, so
1293                          * attempt this 10 times.
1294                          */
1295                         while (e1000_nonintegrated_phy_loopback(adapter) &&
1296                               count++ < 10);
1297                         if (count < 11)
1298                                 return 0;
1299                 }
1300                 break;
1301
1302         case e1000_82544:
1303         case e1000_82540:
1304         case e1000_82545:
1305         case e1000_82545_rev_3:
1306         case e1000_82546:
1307         case e1000_82546_rev_3:
1308         case e1000_82541:
1309         case e1000_82541_rev_2:
1310         case e1000_82547:
1311         case e1000_82547_rev_2:
1312         case e1000_82571:
1313         case e1000_82572:
1314         case e1000_82573:
1315         case e1000_80003es2lan:
1316                 return e1000_integrated_phy_loopback(adapter);
1317                 break;
1318
1319         default:
1320                 /* Default PHY loopback work is to read the MII
1321                  * control register and assert bit 14 (loopback mode).
1322                  */
1323                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1324                 phy_reg |= MII_CR_LOOPBACK;
1325                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1326                 return 0;
1327                 break;
1328         }
1329
1330         return 8;
1331 }
1332
1333 static int
1334 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1335 {
1336         struct e1000_hw *hw = &adapter->hw;
1337         uint32_t rctl;
1338
1339         if (hw->media_type == e1000_media_type_fiber ||
1340             hw->media_type == e1000_media_type_internal_serdes) {
1341                 switch (hw->mac_type) {
1342                 case e1000_82545:
1343                 case e1000_82546:
1344                 case e1000_82545_rev_3:
1345                 case e1000_82546_rev_3:
1346                         return e1000_set_phy_loopback(adapter);
1347                         break;
1348                 case e1000_82571:
1349                 case e1000_82572:
1350 #define E1000_SERDES_LB_ON 0x410
1351                         e1000_set_phy_loopback(adapter);
1352                         E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON);
1353                         msec_delay(10);
1354                         return 0;
1355                         break;
1356                 default:
1357                         rctl = E1000_READ_REG(hw, RCTL);
1358                         rctl |= E1000_RCTL_LBM_TCVR;
1359                         E1000_WRITE_REG(hw, RCTL, rctl);
1360                         return 0;
1361                 }
1362         } else if (hw->media_type == e1000_media_type_copper)
1363                 return e1000_set_phy_loopback(adapter);
1364
1365         return 7;
1366 }
1367
1368 static void
1369 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1370 {
1371         struct e1000_hw *hw = &adapter->hw;
1372         uint32_t rctl;
1373         uint16_t phy_reg;
1374
1375         rctl = E1000_READ_REG(hw, RCTL);
1376         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1377         E1000_WRITE_REG(hw, RCTL, rctl);
1378
1379         switch (hw->mac_type) {
1380         case e1000_82571:
1381         case e1000_82572:
1382                 if (hw->media_type == e1000_media_type_fiber ||
1383                     hw->media_type == e1000_media_type_internal_serdes) {
1384 #define E1000_SERDES_LB_OFF 0x400
1385                         E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF);
1386                         msec_delay(10);
1387                         break;
1388                 }
1389                 /* Fall Through */
1390         case e1000_82545:
1391         case e1000_82546:
1392         case e1000_82545_rev_3:
1393         case e1000_82546_rev_3:
1394         default:
1395                 hw->autoneg = TRUE;
1396                 if (hw->phy_type == e1000_phy_gg82563) {
1397                         e1000_write_phy_reg(hw,
1398                                             GG82563_PHY_KMRN_MODE_CTRL,
1399                                             0x180);
1400                 }
1401                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1402                 if (phy_reg & MII_CR_LOOPBACK) {
1403                         phy_reg &= ~MII_CR_LOOPBACK;
1404                         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1405                         e1000_phy_reset(hw);
1406                 }
1407                 break;
1408         }
1409 }
1410
1411 static void
1412 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1413 {
1414         memset(skb->data, 0xFF, frame_size);
1415         frame_size &= ~1;
1416         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1417         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1418         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1419 }
1420
1421 static int
1422 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1423 {
1424         frame_size &= ~1;
1425         if (*(skb->data + 3) == 0xFF) {
1426                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1427                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1428                         return 0;
1429                 }
1430         }
1431         return 13;
1432 }
1433
1434 static int
1435 e1000_run_loopback_test(struct e1000_adapter *adapter)
1436 {
1437         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1438         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1439         struct pci_dev *pdev = adapter->pdev;
1440         int i, j, k, l, lc, good_cnt, ret_val=0;
1441         unsigned long time;
1442
1443         E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1444
1445         /* Calculate the loop count based on the largest descriptor ring
1446          * The idea is to wrap the largest ring a number of times using 64
1447          * send/receive pairs during each loop
1448          */
1449
1450         if (rxdr->count <= txdr->count)
1451                 lc = ((txdr->count / 64) * 2) + 1;
1452         else
1453                 lc = ((rxdr->count / 64) * 2) + 1;
1454
1455         k = l = 0;
1456         for (j = 0; j <= lc; j++) { /* loop count loop */
1457                 for (i = 0; i < 64; i++) { /* send the packets */
1458                         e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1459                                         1024);
1460                         pci_dma_sync_single_for_device(pdev,
1461                                         txdr->buffer_info[k].dma,
1462                                         txdr->buffer_info[k].length,
1463                                         PCI_DMA_TODEVICE);
1464                         if (unlikely(++k == txdr->count)) k = 0;
1465                 }
1466                 E1000_WRITE_REG(&adapter->hw, TDT, k);
1467                 msec_delay(200);
1468                 time = jiffies; /* set the start time for the receive */
1469                 good_cnt = 0;
1470                 do { /* receive the sent packets */
1471                         pci_dma_sync_single_for_cpu(pdev,
1472                                         rxdr->buffer_info[l].dma,
1473                                         rxdr->buffer_info[l].length,
1474                                         PCI_DMA_FROMDEVICE);
1475
1476                         ret_val = e1000_check_lbtest_frame(
1477                                         rxdr->buffer_info[l].skb,
1478                                         1024);
1479                         if (!ret_val)
1480                                 good_cnt++;
1481                         if (unlikely(++l == rxdr->count)) l = 0;
1482                         /* time + 20 msecs (200 msecs on 2.4) is more than
1483                          * enough time to complete the receives, if it's
1484                          * exceeded, break and error off
1485                          */
1486                 } while (good_cnt < 64 && jiffies < (time + 20));
1487                 if (good_cnt != 64) {
1488                         ret_val = 13; /* ret_val is the same as mis-compare */
1489                         break;
1490                 }
1491                 if (jiffies >= (time + 2)) {
1492                         ret_val = 14; /* error code for time out error */
1493                         break;
1494                 }
1495         } /* end loop count loop */
1496         return ret_val;
1497 }
1498
1499 static int
1500 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1501 {
1502         /* PHY loopback cannot be performed if SoL/IDER
1503          * sessions are active */
1504         if (e1000_check_phy_reset_block(&adapter->hw)) {
1505                 DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
1506                         "when SoL/IDER is active.\n");
1507                 *data = 0;
1508                 goto out;
1509         }
1510
1511         if ((*data = e1000_setup_desc_rings(adapter)))
1512                 goto out;
1513         if ((*data = e1000_setup_loopback_test(adapter)))
1514                 goto err_loopback;
1515         *data = e1000_run_loopback_test(adapter);
1516         e1000_loopback_cleanup(adapter);
1517
1518 err_loopback:
1519         e1000_free_desc_rings(adapter);
1520 out:
1521         return *data;
1522 }
1523
1524 static int
1525 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1526 {
1527         *data = 0;
1528         if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1529                 int i = 0;
1530                 adapter->hw.serdes_link_down = TRUE;
1531
1532                 /* On some blade server designs, link establishment
1533                  * could take as long as 2-3 minutes */
1534                 do {
1535                         e1000_check_for_link(&adapter->hw);
1536                         if (adapter->hw.serdes_link_down == FALSE)
1537                                 return *data;
1538                         msec_delay(20);
1539                 } while (i++ < 3750);
1540
1541                 *data = 1;
1542         } else {
1543                 e1000_check_for_link(&adapter->hw);
1544                 if (adapter->hw.autoneg)  /* if auto_neg is set wait for it */
1545                         msec_delay(4000);
1546
1547                 if (!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1548                         *data = 1;
1549                 }
1550         }
1551         return *data;
1552 }
1553
1554 static int
1555 e1000_diag_test_count(struct net_device *netdev)
1556 {
1557         return E1000_TEST_LEN;
1558 }
1559
1560 static void
1561 e1000_diag_test(struct net_device *netdev,
1562                    struct ethtool_test *eth_test, uint64_t *data)
1563 {
1564         struct e1000_adapter *adapter = netdev_priv(netdev);
1565         boolean_t if_running = netif_running(netdev);
1566
1567         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1568                 /* Offline tests */
1569
1570                 /* save speed, duplex, autoneg settings */
1571                 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1572                 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1573                 uint8_t autoneg = adapter->hw.autoneg;
1574
1575                 /* Link test performed before hardware reset so autoneg doesn't
1576                  * interfere with test result */
1577                 if (e1000_link_test(adapter, &data[4]))
1578                         eth_test->flags |= ETH_TEST_FL_FAILED;
1579
1580                 if (if_running)
1581                         e1000_down(adapter);
1582                 else
1583                         e1000_reset(adapter);
1584
1585                 if (e1000_reg_test(adapter, &data[0]))
1586                         eth_test->flags |= ETH_TEST_FL_FAILED;
1587
1588                 e1000_reset(adapter);
1589                 if (e1000_eeprom_test(adapter, &data[1]))
1590                         eth_test->flags |= ETH_TEST_FL_FAILED;
1591
1592                 e1000_reset(adapter);
1593                 if (e1000_intr_test(adapter, &data[2]))
1594                         eth_test->flags |= ETH_TEST_FL_FAILED;
1595
1596                 e1000_reset(adapter);
1597                 if (e1000_loopback_test(adapter, &data[3]))
1598                         eth_test->flags |= ETH_TEST_FL_FAILED;
1599
1600                 /* restore speed, duplex, autoneg settings */
1601                 adapter->hw.autoneg_advertised = autoneg_advertised;
1602                 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1603                 adapter->hw.autoneg = autoneg;
1604
1605                 e1000_reset(adapter);
1606                 if (if_running)
1607                         e1000_up(adapter);
1608         } else {
1609                 /* Online tests */
1610                 if (e1000_link_test(adapter, &data[4]))
1611                         eth_test->flags |= ETH_TEST_FL_FAILED;
1612
1613                 /* Offline tests aren't run; pass by default */
1614                 data[0] = 0;
1615                 data[1] = 0;
1616                 data[2] = 0;
1617                 data[3] = 0;
1618         }
1619         msleep_interruptible(4 * 1000);
1620 }
1621
1622 static void
1623 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1624 {
1625         struct e1000_adapter *adapter = netdev_priv(netdev);
1626         struct e1000_hw *hw = &adapter->hw;
1627
1628         switch (adapter->hw.device_id) {
1629         case E1000_DEV_ID_82542:
1630         case E1000_DEV_ID_82543GC_FIBER:
1631         case E1000_DEV_ID_82543GC_COPPER:
1632         case E1000_DEV_ID_82544EI_FIBER:
1633         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1634         case E1000_DEV_ID_82545EM_FIBER:
1635         case E1000_DEV_ID_82545EM_COPPER:
1636         case E1000_DEV_ID_82546GB_QUAD_COPPER:
1637                 wol->supported = 0;
1638                 wol->wolopts   = 0;
1639                 return;
1640
1641         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1642                 /* device id 10B5 port-A supports wol */
1643                 if (!adapter->ksp3_port_a) {
1644                         wol->supported = 0;
1645                         return;
1646                 }
1647                 /* KSP3 does not suppport UCAST wake-ups for any interface */
1648                 wol->supported = WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
1649
1650                 if (adapter->wol & E1000_WUFC_EX)
1651                         DPRINTK(DRV, ERR, "Interface does not support "
1652                         "directed (unicast) frame wake-up packets\n");
1653                 wol->wolopts = 0;
1654                 goto do_defaults;
1655
1656         case E1000_DEV_ID_82546EB_FIBER:
1657         case E1000_DEV_ID_82546GB_FIBER:
1658         case E1000_DEV_ID_82571EB_FIBER:
1659                 /* Wake events only supported on port A for dual fiber */
1660                 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1661                         wol->supported = 0;
1662                         wol->wolopts   = 0;
1663                         return;
1664                 }
1665                 /* Fall Through */
1666
1667         default:
1668                 wol->supported = WAKE_UCAST | WAKE_MCAST |
1669                                  WAKE_BCAST | WAKE_MAGIC;
1670                 wol->wolopts = 0;
1671
1672 do_defaults:
1673                 if (adapter->wol & E1000_WUFC_EX)
1674                         wol->wolopts |= WAKE_UCAST;
1675                 if (adapter->wol & E1000_WUFC_MC)
1676                         wol->wolopts |= WAKE_MCAST;
1677                 if (adapter->wol & E1000_WUFC_BC)
1678                         wol->wolopts |= WAKE_BCAST;
1679                 if (adapter->wol & E1000_WUFC_MAG)
1680                         wol->wolopts |= WAKE_MAGIC;
1681                 return;
1682         }
1683 }
1684
1685 static int
1686 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1687 {
1688         struct e1000_adapter *adapter = netdev_priv(netdev);
1689         struct e1000_hw *hw = &adapter->hw;
1690
1691         switch (adapter->hw.device_id) {
1692         case E1000_DEV_ID_82542:
1693         case E1000_DEV_ID_82543GC_FIBER:
1694         case E1000_DEV_ID_82543GC_COPPER:
1695         case E1000_DEV_ID_82544EI_FIBER:
1696         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1697         case E1000_DEV_ID_82546GB_QUAD_COPPER:
1698         case E1000_DEV_ID_82545EM_FIBER:
1699         case E1000_DEV_ID_82545EM_COPPER:
1700                 return wol->wolopts ? -EOPNOTSUPP : 0;
1701
1702         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1703                 /* device id 10B5 port-A supports wol */
1704                 if (!adapter->ksp3_port_a)
1705                         return wol->wolopts ? -EOPNOTSUPP : 0;
1706
1707                 if (wol->wolopts & WAKE_UCAST) {
1708                         DPRINTK(DRV, ERR, "Interface does not support "
1709                         "directed (unicast) frame wake-up packets\n");
1710                         return -EOPNOTSUPP;
1711                 }
1712
1713         case E1000_DEV_ID_82546EB_FIBER:
1714         case E1000_DEV_ID_82546GB_FIBER:
1715         case E1000_DEV_ID_82571EB_FIBER:
1716                 /* Wake events only supported on port A for dual fiber */
1717                 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
1718                         return wol->wolopts ? -EOPNOTSUPP : 0;
1719                 /* Fall Through */
1720
1721         default:
1722                 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1723                         return -EOPNOTSUPP;
1724
1725                 adapter->wol = 0;
1726
1727                 if (wol->wolopts & WAKE_UCAST)
1728                         adapter->wol |= E1000_WUFC_EX;
1729                 if (wol->wolopts & WAKE_MCAST)
1730                         adapter->wol |= E1000_WUFC_MC;
1731                 if (wol->wolopts & WAKE_BCAST)
1732                         adapter->wol |= E1000_WUFC_BC;
1733                 if (wol->wolopts & WAKE_MAGIC)
1734                         adapter->wol |= E1000_WUFC_MAG;
1735         }
1736
1737         return 0;
1738 }
1739
1740 /* toggle LED 4 times per second = 2 "blinks" per second */
1741 #define E1000_ID_INTERVAL       (HZ/4)
1742
1743 /* bit defines for adapter->led_status */
1744 #define E1000_LED_ON            0
1745
1746 static void
1747 e1000_led_blink_callback(unsigned long data)
1748 {
1749         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1750
1751         if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1752                 e1000_led_off(&adapter->hw);
1753         else
1754                 e1000_led_on(&adapter->hw);
1755
1756         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1757 }
1758
1759 static int
1760 e1000_phys_id(struct net_device *netdev, uint32_t data)
1761 {
1762         struct e1000_adapter *adapter = netdev_priv(netdev);
1763
1764         if (!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1765                 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1766
1767         if (adapter->hw.mac_type < e1000_82571) {
1768                 if (!adapter->blink_timer.function) {
1769                         init_timer(&adapter->blink_timer);
1770                         adapter->blink_timer.function = e1000_led_blink_callback;
1771                         adapter->blink_timer.data = (unsigned long) adapter;
1772                 }
1773                 e1000_setup_led(&adapter->hw);
1774                 mod_timer(&adapter->blink_timer, jiffies);
1775                 msleep_interruptible(data * 1000);
1776                 del_timer_sync(&adapter->blink_timer);
1777         } else if (adapter->hw.mac_type < e1000_82573) {
1778                 E1000_WRITE_REG(&adapter->hw, LEDCTL,
1779                         (E1000_LEDCTL_LED2_BLINK_RATE |
1780                          E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
1781                          (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1782                          (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
1783                          (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
1784                 msleep_interruptible(data * 1000);
1785         } else {
1786                 E1000_WRITE_REG(&adapter->hw, LEDCTL,
1787                         (E1000_LEDCTL_LED2_BLINK_RATE |
1788                          E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
1789                          (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1790                          (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
1791                          (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
1792                 msleep_interruptible(data * 1000);
1793         }
1794
1795         e1000_led_off(&adapter->hw);
1796         clear_bit(E1000_LED_ON, &adapter->led_status);
1797         e1000_cleanup_led(&adapter->hw);
1798
1799         return 0;
1800 }
1801
1802 static int
1803 e1000_nway_reset(struct net_device *netdev)
1804 {
1805         struct e1000_adapter *adapter = netdev_priv(netdev);
1806         if (netif_running(netdev)) {
1807                 e1000_down(adapter);
1808                 e1000_up(adapter);
1809         }
1810         return 0;
1811 }
1812
1813 static int
1814 e1000_get_stats_count(struct net_device *netdev)
1815 {
1816         return E1000_STATS_LEN;
1817 }
1818
1819 static void
1820 e1000_get_ethtool_stats(struct net_device *netdev,
1821                 struct ethtool_stats *stats, uint64_t *data)
1822 {
1823         struct e1000_adapter *adapter = netdev_priv(netdev);
1824         int i;
1825
1826         e1000_update_stats(adapter);
1827         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1828                 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1829                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1830                         sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1831         }
1832 /*      BUG_ON(i != E1000_STATS_LEN); */
1833 }
1834
1835 static void
1836 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1837 {
1838         uint8_t *p = data;
1839         int i;
1840
1841         switch (stringset) {
1842         case ETH_SS_TEST:
1843                 memcpy(data, *e1000_gstrings_test,
1844                         E1000_TEST_LEN*ETH_GSTRING_LEN);
1845                 break;
1846         case ETH_SS_STATS:
1847                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1848                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1849                                ETH_GSTRING_LEN);
1850                         p += ETH_GSTRING_LEN;
1851                 }
1852 /*              BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1853                 break;
1854         }
1855 }
1856
1857 static struct ethtool_ops e1000_ethtool_ops = {
1858         .get_settings           = e1000_get_settings,
1859         .set_settings           = e1000_set_settings,
1860         .get_drvinfo            = e1000_get_drvinfo,
1861         .get_regs_len           = e1000_get_regs_len,
1862         .get_regs               = e1000_get_regs,
1863         .get_wol                = e1000_get_wol,
1864         .set_wol                = e1000_set_wol,
1865         .get_msglevel           = e1000_get_msglevel,
1866         .set_msglevel           = e1000_set_msglevel,
1867         .nway_reset             = e1000_nway_reset,
1868         .get_link               = ethtool_op_get_link,
1869         .get_eeprom_len         = e1000_get_eeprom_len,
1870         .get_eeprom             = e1000_get_eeprom,
1871         .set_eeprom             = e1000_set_eeprom,
1872         .get_ringparam          = e1000_get_ringparam,
1873         .set_ringparam          = e1000_set_ringparam,
1874         .get_pauseparam         = e1000_get_pauseparam,
1875         .set_pauseparam         = e1000_set_pauseparam,
1876         .get_rx_csum            = e1000_get_rx_csum,
1877         .set_rx_csum            = e1000_set_rx_csum,
1878         .get_tx_csum            = e1000_get_tx_csum,
1879         .set_tx_csum            = e1000_set_tx_csum,
1880         .get_sg                 = ethtool_op_get_sg,
1881         .set_sg                 = ethtool_op_set_sg,
1882 #ifdef NETIF_F_TSO
1883         .get_tso                = ethtool_op_get_tso,
1884         .set_tso                = e1000_set_tso,
1885 #endif
1886         .self_test_count        = e1000_diag_test_count,
1887         .self_test              = e1000_diag_test,
1888         .get_strings            = e1000_get_strings,
1889         .phys_id                = e1000_phys_id,
1890         .get_stats_count        = e1000_get_stats_count,
1891         .get_ethtool_stats      = e1000_get_ethtool_stats,
1892         .get_perm_addr          = ethtool_op_get_perm_addr,
1893 };
1894
1895 void e1000_set_ethtool_ops(struct net_device *netdev)
1896 {
1897         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1898 }