drivers/net/e1000/e1000_ethtool.c

   1 /*******************************************************************************
   2
   3
   4   Copyright(c) 1999 - 2004 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 extern char e1000_driver_name[];
  36 extern char e1000_driver_version[];
  37
  38 extern int e1000_up(struct e1000_adapter *adapter);
  39 extern void e1000_down(struct e1000_adapter *adapter);
  40 extern void e1000_reset(struct e1000_adapter *adapter);
  41 extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx);
  42 extern int e1000_setup_rx_resources(struct e1000_adapter *adapter);
  43 extern int e1000_setup_tx_resources(struct e1000_adapter *adapter);
  44 extern void e1000_free_rx_resources(struct e1000_adapter *adapter);
  45 extern void e1000_free_tx_resources(struct e1000_adapter *adapter);
  46 extern void e1000_update_stats(struct e1000_adapter *adapter);
  47
  48 struct e1000_stats {
  49         char stat_string[ETH_GSTRING_LEN];
  50         int sizeof_stat;
  51         int stat_offset;
  52 };
  53
  54 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
  55                       offsetof(struct e1000_adapter, m)
  56 static const struct e1000_stats e1000_gstrings_stats[] = {
  57         { "rx_packets", E1000_STAT(net_stats.rx_packets) },
  58         { "tx_packets", E1000_STAT(net_stats.tx_packets) },
  59         { "rx_bytes", E1000_STAT(net_stats.rx_bytes) },
  60         { "tx_bytes", E1000_STAT(net_stats.tx_bytes) },
  61         { "rx_errors", E1000_STAT(net_stats.rx_errors) },
  62         { "tx_errors", E1000_STAT(net_stats.tx_errors) },
  63         { "rx_dropped", E1000_STAT(net_stats.rx_dropped) },
  64         { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
  65         { "multicast", E1000_STAT(net_stats.multicast) },
  66         { "collisions", E1000_STAT(net_stats.collisions) },
  67         { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
  68         { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
  69         { "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) },
  70         { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
  71         { "rx_fifo_errors", E1000_STAT(net_stats.rx_fifo_errors) },
  72         { "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) },
  73         { "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) },
  74         { "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) },
  75         { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
  76         { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
  77         { "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) },
  78         { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
  79         { "tx_deferred_ok", E1000_STAT(stats.dc) },
  80         { "tx_single_coll_ok", E1000_STAT(stats.scc) },
  81         { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
  82         { "rx_long_length_errors", E1000_STAT(stats.roc) },
  83         { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  84         { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  85         { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  86         { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  87         { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  88         { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  89         { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  90         { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  91         { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
  92         { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  93         { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }
  94 };
  95 #define E1000_STATS_LEN \
  96         sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
  97 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
  98         "Register test  (offline)", "Eeprom test    (offline)",
  99         "Interrupt test (offline)", "Loopback test  (offline)",
 100         "Link test   (on/offline)"
 101 };
 102 #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
 103
 104 static int
 105 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 106 {
 107         struct e1000_adapter *adapter = netdev->priv;
 108         struct e1000_hw *hw = &adapter->hw;
 109
 110         if(hw->media_type == e1000_media_type_copper) {
 111
 112                 ecmd->supported = (SUPPORTED_10baseT_Half |
 113                                    SUPPORTED_10baseT_Full |
 114                                    SUPPORTED_100baseT_Half |
 115                                    SUPPORTED_100baseT_Full |
 116                                    SUPPORTED_1000baseT_Full|
 117                                    SUPPORTED_Autoneg |
 118                                    SUPPORTED_TP);
 119
 120                 ecmd->advertising = ADVERTISED_TP;
 121
 122                 if(hw->autoneg == 1) {
 123                         ecmd->advertising |= ADVERTISED_Autoneg;
 124
 125                         /* the e1000 autoneg seems to match ethtool nicely */
 126
 127                         ecmd->advertising |= hw->autoneg_advertised;
 128                 }
 129
 130                 ecmd->port = PORT_TP;
 131                 ecmd->phy_address = hw->phy_addr;
 132
 133                 if(hw->mac_type == e1000_82543)
 134                         ecmd->transceiver = XCVR_EXTERNAL;
 135                 else
 136                         ecmd->transceiver = XCVR_INTERNAL;
 137
 138         } else {
 139                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 140                                      SUPPORTED_FIBRE |
 141                                      SUPPORTED_Autoneg);
 142
 143                 ecmd->advertising = (SUPPORTED_1000baseT_Full |
 144                                      SUPPORTED_FIBRE |
 145                                      SUPPORTED_Autoneg);
 146
 147                 ecmd->port = PORT_FIBRE;
 148
 149                 if(hw->mac_type >= e1000_82545)
 150                         ecmd->transceiver = XCVR_INTERNAL;
 151                 else
 152                         ecmd->transceiver = XCVR_EXTERNAL;
 153         }
 154
 155         if(netif_carrier_ok(adapter->netdev)) {
 156
 157                 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
 158                                                    &adapter->link_duplex);
 159                 ecmd->speed = adapter->link_speed;
 160
 161                 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
 162                  *          and HALF_DUPLEX != DUPLEX_HALF */
 163
 164                 if(adapter->link_duplex == FULL_DUPLEX)
 165                         ecmd->duplex = DUPLEX_FULL;
 166                 else
 167                         ecmd->duplex = DUPLEX_HALF;
 168         } else {
 169                 ecmd->speed = -1;
 170                 ecmd->duplex = -1;
 171         }
 172
 173         ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
 174                          hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 175         return 0;
 176 }
 177
 178 static int
 179 e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 180 {
 181         struct e1000_adapter *adapter = netdev->priv;
 182         struct e1000_hw *hw = &adapter->hw;
 183
 184         if(ecmd->autoneg == AUTONEG_ENABLE) {
 185                 hw->autoneg = 1;
 186                 hw->autoneg_advertised = 0x002F;
 187                 ecmd->advertising = 0x002F;
 188         } else
 189                 if(e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
 190                         return -EINVAL;
 191
 192         /* reset the link */
 193
 194         if(netif_running(adapter->netdev)) {
 195                 e1000_down(adapter);
 196                 e1000_reset(adapter);
 197                 e1000_up(adapter);
 198         } else
 199                 e1000_reset(adapter);
 200
 201         return 0;
 202 }
 203
 204 static void
 205 e1000_get_pauseparam(struct net_device *netdev,
 206                      struct ethtool_pauseparam *pause)
 207 {
 208         struct e1000_adapter *adapter = netdev->priv;
 209         struct e1000_hw *hw = &adapter->hw;
 210
 211         pause->autoneg =
 212                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 213
 214         if(hw->fc == e1000_fc_rx_pause)
 215                 pause->rx_pause = 1;
 216         else if(hw->fc == e1000_fc_tx_pause)
 217                 pause->tx_pause = 1;
 218         else if(hw->fc == e1000_fc_full) {
 219                 pause->rx_pause = 1;
 220                 pause->tx_pause = 1;
 221         }
 222 }
 223
 224 static int
 225 e1000_set_pauseparam(struct net_device *netdev,
 226                      struct ethtool_pauseparam *pause)
 227 {
 228         struct e1000_adapter *adapter = netdev->priv;
 229         struct e1000_hw *hw = &adapter->hw;
 230
 231         adapter->fc_autoneg = pause->autoneg;
 232
 233         if(pause->rx_pause && pause->tx_pause)
 234                 hw->fc = e1000_fc_full;
 235         else if(pause->rx_pause && !pause->tx_pause)
 236                 hw->fc = e1000_fc_rx_pause;
 237         else if(!pause->rx_pause && pause->tx_pause)
 238                 hw->fc = e1000_fc_tx_pause;
 239         else if(!pause->rx_pause && !pause->tx_pause)
 240                 hw->fc = e1000_fc_none;
 241
 242         hw->original_fc = hw->fc;
 243
 244         if(adapter->fc_autoneg == AUTONEG_ENABLE) {
 245                 if(netif_running(adapter->netdev)) {
 246                         e1000_down(adapter);
 247                         e1000_up(adapter);
 248                 } else
 249                         e1000_reset(adapter);
 250         }
 251         else
 252                 return ((hw->media_type == e1000_media_type_fiber) ?
 253                         e1000_setup_link(hw) : e1000_force_mac_fc(hw));
 254
 255         return 0;
 256 }
 257
 258 static uint32_t
 259 e1000_get_rx_csum(struct net_device *netdev)
 260 {
 261         struct e1000_adapter *adapter = netdev->priv;
 262         return adapter->rx_csum;
 263 }
 264
 265 static int
 266 e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
 267 {
 268         struct e1000_adapter *adapter = netdev->priv;
 269         adapter->rx_csum = data;
 270
 271         if(netif_running(netdev)) {
 272                 e1000_down(adapter);
 273                 e1000_up(adapter);
 274         } else
 275                 e1000_reset(adapter);
 276         return 0;
 277 }
 278
 279 static uint32_t
 280 e1000_get_tx_csum(struct net_device *netdev)
 281 {
 282         return (netdev->features & NETIF_F_HW_CSUM) != 0;
 283 }
 284
 285 static int
 286 e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
 287 {
 288         struct e1000_adapter *adapter = netdev->priv;
 289
 290         if(adapter->hw.mac_type < e1000_82543) {
 291                 if (!data)
 292                         return -EINVAL;
 293                 return 0;
 294         }
 295
 296         if (data)
 297                 netdev->features |= NETIF_F_HW_CSUM;
 298         else
 299                 netdev->features &= ~NETIF_F_HW_CSUM;
 300
 301         return 0;
 302 }
 303
 304 #ifdef NETIF_F_TSO
 305 static int
 306 e1000_set_tso(struct net_device *netdev, uint32_t data)
 307 {
 308         struct e1000_adapter *adapter = netdev->priv;
 309         if ((adapter->hw.mac_type < e1000_82544) ||
 310             (adapter->hw.mac_type == e1000_82547))
 311                 return data ? -EINVAL : 0;
 312
 313         if (data)
 314                 netdev->features |= NETIF_F_TSO;
 315         else
 316                 netdev->features &= ~NETIF_F_TSO;
 317         return 0;
 318 }
 319 #endif /* NETIF_F_TSO */
 320
 321 static uint32_t
 322 e1000_get_msglevel(struct net_device *netdev)
 323 {
 324         struct e1000_adapter *adapter = netdev->priv;
 325         return adapter->msg_enable;
 326 }
 327
 328 static void
 329 e1000_set_msglevel(struct net_device *netdev, uint32_t data)
 330 {
 331         struct e1000_adapter *adapter = netdev->priv;
 332         adapter->msg_enable = data;
 333 }
 334
 335 static int
 336 e1000_get_regs_len(struct net_device *netdev)
 337 {
 338 #define E1000_REGS_LEN 32
 339         return E1000_REGS_LEN * sizeof(uint32_t);
 340 }
 341
 342 static void
 343 e1000_get_regs(struct net_device *netdev,
 344                struct ethtool_regs *regs, void *p)
 345 {
 346         struct e1000_adapter *adapter = netdev->priv;
 347         struct e1000_hw *hw = &adapter->hw;
 348         uint32_t *regs_buff = p;
 349         uint16_t phy_data;
 350
 351         memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));
 352
 353         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 354
 355         regs_buff[0]  = E1000_READ_REG(hw, CTRL);
 356         regs_buff[1]  = E1000_READ_REG(hw, STATUS);
 357
 358         regs_buff[2]  = E1000_READ_REG(hw, RCTL);
 359         regs_buff[3]  = E1000_READ_REG(hw, RDLEN);
 360         regs_buff[4]  = E1000_READ_REG(hw, RDH);
 361         regs_buff[5]  = E1000_READ_REG(hw, RDT);
 362         regs_buff[6]  = E1000_READ_REG(hw, RDTR);
 363
 364         regs_buff[7]  = E1000_READ_REG(hw, TCTL);
 365         regs_buff[8]  = E1000_READ_REG(hw, TDLEN);
 366         regs_buff[9]  = E1000_READ_REG(hw, TDH);
 367         regs_buff[10] = E1000_READ_REG(hw, TDT);
 368         regs_buff[11] = E1000_READ_REG(hw, TIDV);
 369
 370         regs_buff[12] = adapter->hw.phy_type;  /* PHY type (IGP=1, M88=0) */
 371         if(hw->phy_type == e1000_phy_igp) {
 372                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 373                                     IGP01E1000_PHY_AGC_A);
 374                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
 375                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 376                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 377                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 378                                     IGP01E1000_PHY_AGC_B);
 379                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
 380                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 381                 regs_buff[14] = (uint32_t)phy_data; /* cable length */
 382                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 383                                     IGP01E1000_PHY_AGC_C);
 384                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
 385                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 386                 regs_buff[15] = (uint32_t)phy_data; /* cable length */
 387                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 388                                     IGP01E1000_PHY_AGC_D);
 389                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
 390                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 391                 regs_buff[16] = (uint32_t)phy_data; /* cable length */
 392                 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
 393                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 394                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
 395                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 396                 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
 397                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 398                                     IGP01E1000_PHY_PCS_INIT_REG);
 399                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
 400                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 401                 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
 402                 regs_buff[20] = 0; /* polarity correction enabled (always) */
 403                 regs_buff[22] = 0; /* phy receive errors (unavailable) */
 404                 regs_buff[23] = regs_buff[18]; /* mdix mode */
 405                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 406         } else {
 407                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 408                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 409                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 410                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 411                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 412                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 413                 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
 414                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 415                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 416                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 417                 /* phy receive errors */
 418                 regs_buff[22] = adapter->phy_stats.receive_errors;
 419                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 420         }
 421         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 422         e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
 423         regs_buff[24] = (uint32_t)phy_data;  /* phy local receiver status */
 424         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 425         if(hw->mac_type >= e1000_82540 &&
 426            hw->media_type == e1000_media_type_copper) {
 427                 regs_buff[26] = E1000_READ_REG(hw, MANC);
 428         }
 429 }
 430
 431 static int
 432 e1000_get_eeprom_len(struct net_device *netdev)
 433 {
 434         struct e1000_adapter *adapter = netdev->priv;
 435         return adapter->hw.eeprom.word_size * 2;
 436 }
 437
 438 static int
 439 e1000_get_eeprom(struct net_device *netdev,
 440                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 441 {
 442         struct e1000_adapter *adapter = netdev->priv;
 443         struct e1000_hw *hw = &adapter->hw;
 444         uint16_t *eeprom_buff;
 445         int first_word, last_word;
 446         int ret_val = 0;
 447         uint16_t i;
 448
 449         if(eeprom->len == 0)
 450                 return -EINVAL;
 451
 452         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 453
 454         first_word = eeprom->offset >> 1;
 455         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 456
 457         eeprom_buff = kmalloc(sizeof(uint16_t) *
 458                         (last_word - first_word + 1), GFP_KERNEL);
 459         if(!eeprom_buff)
 460                 return -ENOMEM;
 461
 462         if(hw->eeprom.type == e1000_eeprom_spi)
 463                 ret_val = e1000_read_eeprom(hw, first_word,
 464                                             last_word - first_word + 1,
 465                                             eeprom_buff);
 466         else {
 467                 for (i = 0; i < last_word - first_word + 1; i++)
 468                         if((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
 469                                                         &eeprom_buff[i])))
 470                                 break;
 471         }
 472
 473         /* Device's eeprom is always little-endian, word addressable */
 474         for (i = 0; i < last_word - first_word + 1; i++)
 475                 le16_to_cpus(&eeprom_buff[i]);
 476
 477         memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
 478                         eeprom->len);
 479         kfree(eeprom_buff);
 480
 481         return ret_val;
 482 }
 483
 484 static int
 485 e1000_set_eeprom(struct net_device *netdev,
 486                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 487 {
 488         struct e1000_adapter *adapter = netdev->priv;
 489         struct e1000_hw *hw = &adapter->hw;
 490         uint16_t *eeprom_buff;
 491         void *ptr;
 492         int max_len, first_word, last_word, ret_val = 0;
 493         uint16_t i;
 494
 495         if(eeprom->len == 0)
 496                 return -EOPNOTSUPP;
 497
 498         if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 499                 return -EFAULT;
 500
 501         max_len = hw->eeprom.word_size * 2;
 502
 503         first_word = eeprom->offset >> 1;
 504         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 505         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 506         if(!eeprom_buff)
 507                 return -ENOMEM;
 508
 509         ptr = (void *)eeprom_buff;
 510
 511         if(eeprom->offset & 1) {
 512                 /* need read/modify/write of first changed EEPROM word */
 513                 /* only the second byte of the word is being modified */
 514                 ret_val = e1000_read_eeprom(hw, first_word, 1,
 515                                             &eeprom_buff[0]);
 516                 ptr++;
 517         }
 518         if(((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 519                 /* need read/modify/write of last changed EEPROM word */
 520                 /* only the first byte of the word is being modified */
 521                 ret_val = e1000_read_eeprom(hw, last_word, 1,
 522                                   &eeprom_buff[last_word - first_word]);
 523         }
 524
 525         /* Device's eeprom is always little-endian, word addressable */
 526         for (i = 0; i < last_word - first_word + 1; i++)
 527                 le16_to_cpus(&eeprom_buff[i]);
 528
 529         memcpy(ptr, bytes, eeprom->len);
 530
 531         for (i = 0; i < last_word - first_word + 1; i++)
 532                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 533
 534         ret_val = e1000_write_eeprom(hw, first_word,
 535                                      last_word - first_word + 1, eeprom_buff);
 536
 537         /* Update the checksum over the first part of the EEPROM if needed */
 538         if((ret_val == 0) && first_word <= EEPROM_CHECKSUM_REG)
 539                 e1000_update_eeprom_checksum(hw);
 540
 541         kfree(eeprom_buff);
 542         return ret_val;
 543 }
 544
 545 static void
 546 e1000_get_drvinfo(struct net_device *netdev,
 547                        struct ethtool_drvinfo *drvinfo)
 548 {
 549         struct e1000_adapter *adapter = netdev->priv;
 550
 551         strncpy(drvinfo->driver,  e1000_driver_name, 32);
 552         strncpy(drvinfo->version, e1000_driver_version, 32);
 553         strncpy(drvinfo->fw_version, "N/A", 32);
 554         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 555         drvinfo->n_stats = E1000_STATS_LEN;
 556         drvinfo->testinfo_len = E1000_TEST_LEN;
 557         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 558         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 559 }
 560
 561 static void
 562 e1000_get_ringparam(struct net_device *netdev,
 563                     struct ethtool_ringparam *ring)
 564 {
 565         struct e1000_adapter *adapter = netdev->priv;
 566         e1000_mac_type mac_type = adapter->hw.mac_type;
 567         struct e1000_desc_ring *txdr = &adapter->tx_ring;
 568         struct e1000_desc_ring *rxdr = &adapter->rx_ring;
 569
 570         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 571                 E1000_MAX_82544_RXD;
 572         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 573                 E1000_MAX_82544_TXD;
 574         ring->rx_mini_max_pending = 0;
 575         ring->rx_jumbo_max_pending = 0;
 576         ring->rx_pending = rxdr->count;
 577         ring->tx_pending = txdr->count;
 578         ring->rx_mini_pending = 0;
 579         ring->rx_jumbo_pending = 0;
 580 }
 581
 582 static int
 583 e1000_set_ringparam(struct net_device *netdev,
 584                     struct ethtool_ringparam *ring)
 585 {
 586         struct e1000_adapter *adapter = netdev->priv;
 587         e1000_mac_type mac_type = adapter->hw.mac_type;
 588         struct e1000_desc_ring *txdr = &adapter->tx_ring;
 589         struct e1000_desc_ring *rxdr = &adapter->rx_ring;
 590         struct e1000_desc_ring tx_old, tx_new, rx_old, rx_new;
 591         int err;
 592
 593         tx_old = adapter->tx_ring;
 594         rx_old = adapter->rx_ring;
 595
 596         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 597                 return -EINVAL;
 598
 599         if(netif_running(adapter->netdev))
 600                 e1000_down(adapter);
 601
 602         rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
 603         rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
 604                 E1000_MAX_RXD : E1000_MAX_82544_RXD));
 605         E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 606
 607         txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
 608         txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
 609                 E1000_MAX_TXD : E1000_MAX_82544_TXD));
 610         E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 611
 612         if(netif_running(adapter->netdev)) {
 613                 /* Try to get new resources before deleting old */
 614                 if((err = e1000_setup_rx_resources(adapter)))
 615                         goto err_setup_rx;
 616                 if((err = e1000_setup_tx_resources(adapter)))
 617                         goto err_setup_tx;
 618
 619                 /* save the new, restore the old in order to free it,
 620                  * then restore the new back again */
 621
 622                 rx_new = adapter->rx_ring;
 623                 tx_new = adapter->tx_ring;
 624                 adapter->rx_ring = rx_old;
 625                 adapter->tx_ring = tx_old;
 626                 e1000_free_rx_resources(adapter);
 627                 e1000_free_tx_resources(adapter);
 628                 adapter->rx_ring = rx_new;
 629                 adapter->tx_ring = tx_new;
 630                 if((err = e1000_up(adapter)))
 631                         return err;
 632         }
 633
 634         return 0;
 635 err_setup_tx:
 636         e1000_free_rx_resources(adapter);
 637 err_setup_rx:
 638         adapter->rx_ring = rx_old;
 639         adapter->tx_ring = tx_old;
 640         e1000_up(adapter);
 641         return err;
 642 }
 643
 644 #define REG_PATTERN_TEST(R, M, W)                                              \
 645 {                                                                              \
 646         uint32_t pat, value;                                                   \
 647         uint32_t test[] =                                                      \
 648                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};              \
 649         for(pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) {              \
 650                 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W));             \
 651                 value = E1000_READ_REG(&adapter->hw, R);                       \
 652                 if(value != (test[pat] & W & M)) {                             \
 653                         *data = (adapter->hw.mac_type < e1000_82543) ?         \
 654                                 E1000_82542_##R : E1000_##R;                   \
 655                         return 1;                                              \
 656                 }                                                              \
 657         }                                                                      \
 658 }
 659
 660 #define REG_SET_AND_CHECK(R, M, W)                                             \
 661 {                                                                              \
 662         uint32_t value;                                                        \
 663         E1000_WRITE_REG(&adapter->hw, R, W & M);                               \
 664         value = E1000_READ_REG(&adapter->hw, R);                               \
 665         if ((W & M) != (value & M)) {                                          \
 666                 *data = (adapter->hw.mac_type < e1000_82543) ?                 \
 667                         E1000_82542_##R : E1000_##R;                           \
 668                 return 1;                                                      \
 669         }                                                                      \
 670 }
 671
 672 static int
 673 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
 674 {
 675         uint32_t value;
 676         uint32_t i;
 677
 678         /* The status register is Read Only, so a write should fail.
 679          * Some bits that get toggled are ignored.
 680          */
 681         value = (E1000_READ_REG(&adapter->hw, STATUS) & (0xFFFFF833));
 682         E1000_WRITE_REG(&adapter->hw, STATUS, (0xFFFFFFFF));
 683         if(value != (E1000_READ_REG(&adapter->hw, STATUS) & (0xFFFFF833))) {
 684                 *data = 1;
 685                 return 1;
 686         }
 687
 688         REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 689         REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 690         REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 691         REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 692         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 693         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 694         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 695         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 696         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 697         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 698         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 699         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 700         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 701         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 702
 703         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 704         REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
 705         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 706
 707         if(adapter->hw.mac_type >= e1000_82543) {
 708
 709                 REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF);
 710                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 711                 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 712                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 713                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 714
 715                 for(i = 0; i < E1000_RAR_ENTRIES; i++) {
 716                         REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
 717                                          0xFFFFFFFF);
 718                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 719                                          0xFFFFFFFF);
 720                 }
 721
 722         } else {
 723
 724                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 725                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 726                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 727                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 728
 729         }
 730
 731         for(i = 0; i < E1000_MC_TBL_SIZE; i++)
 732                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 733
 734         *data = 0;
 735         return 0;
 736 }
 737
 738 static int
 739 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
 740 {
 741         uint16_t temp;
 742         uint16_t checksum = 0;
 743         uint16_t i;
 744
 745         *data = 0;
 746         /* Read and add up the contents of the EEPROM */
 747         for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 748                 if((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
 749                         *data = 1;
 750                         break;
 751                 }
 752                 checksum += temp;
 753         }
 754
 755         /* If Checksum is not Correct return error else test passed */
 756         if((checksum != (uint16_t) EEPROM_SUM) && !(*data))
 757                 *data = 2;
 758
 759         return *data;
 760 }
 761
 762 static irqreturn_t
 763 e1000_test_intr(int irq,
 764                 void *data,
 765                 struct pt_regs *regs)
 766 {
 767         struct net_device *netdev = (struct net_device *) data;
 768         struct e1000_adapter *adapter = netdev->priv;
 769
 770         adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
 771
 772         return IRQ_HANDLED;
 773 }
 774
 775 static int
 776 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
 777 {
 778         struct net_device *netdev = adapter->netdev;
 779         uint32_t mask, i=0, shared_int = TRUE;
 780         uint32_t irq = adapter->pdev->irq;
 781
 782         *data = 0;
 783
 784         /* Hook up test interrupt handler just for this test */
 785         if(!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
 786                 shared_int = FALSE;
 787         } else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ,
 788                         netdev->name, netdev)){
 789                 *data = 1;
 790                 return -1;
 791         }
 792
 793         /* Disable all the interrupts */
 794         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 795         msec_delay(10);
 796
 797         /* Test each interrupt */
 798         for(; i < 10; i++) {
 799
 800                 /* Interrupt to test */
 801                 mask = 1 << i;
 802
 803                 if(!shared_int) {
 804                         /* Disable the interrupt to be reported in
 805                          * the cause register and then force the same
 806                          * interrupt and see if one gets posted.  If
 807                          * an interrupt was posted to the bus, the
 808                          * test failed.
 809                          */
 810                         adapter->test_icr = 0;
 811                         E1000_WRITE_REG(&adapter->hw, IMC, mask);
 812                         E1000_WRITE_REG(&adapter->hw, ICS, mask);
 813                         msec_delay(10);
 814
 815                         if(adapter->test_icr & mask) {
 816                                 *data = 3;
 817                                 break;
 818                         }
 819                 }
 820
 821                 /* Enable the interrupt to be reported in
 822                  * the cause register and then force the same
 823                  * interrupt and see if one gets posted.  If
 824                  * an interrupt was not posted to the bus, the
 825                  * test failed.
 826                  */
 827                 adapter->test_icr = 0;
 828                 E1000_WRITE_REG(&adapter->hw, IMS, mask);
 829                 E1000_WRITE_REG(&adapter->hw, ICS, mask);
 830                 msec_delay(10);
 831
 832                 if(!(adapter->test_icr & mask)) {
 833                         *data = 4;
 834                         break;
 835                 }
 836
 837                 if(!shared_int) {
 838                         /* Disable the other interrupts to be reported in
 839                          * the cause register and then force the other
 840                          * interrupts and see if any get posted.  If
 841                          * an interrupt was posted to the bus, the
 842                          * test failed.
 843                          */
 844                         adapter->test_icr = 0;
 845                         E1000_WRITE_REG(&adapter->hw, IMC,
 846                                         (~mask & 0x00007FFF));
 847                         E1000_WRITE_REG(&adapter->hw, ICS,
 848                                         (~mask & 0x00007FFF));
 849                         msec_delay(10);
 850
 851                         if(adapter->test_icr) {
 852                                 *data = 5;
 853                                 break;
 854                         }
 855                 }
 856         }
 857
 858         /* Disable all the interrupts */
 859         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 860         msec_delay(10);
 861
 862         /* Unhook test interrupt handler */
 863         free_irq(irq, netdev);
 864
 865         return *data;
 866 }
 867
 868 static void
 869 e1000_free_desc_rings(struct e1000_adapter *adapter)
 870 {
 871         struct e1000_desc_ring *txdr = &adapter->test_tx_ring;
 872         struct e1000_desc_ring *rxdr = &adapter->test_rx_ring;
 873         struct pci_dev *pdev = adapter->pdev;
 874         int i;
 875
 876         if(txdr->desc && txdr->buffer_info) {
 877                 for(i = 0; i < txdr->count; i++) {
 878                         if(txdr->buffer_info[i].dma)
 879                                 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
 880                                                  txdr->buffer_info[i].length,
 881                                                  PCI_DMA_TODEVICE);
 882                         if(txdr->buffer_info[i].skb)
 883                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 884                 }
 885         }
 886
 887         if(rxdr->desc && rxdr->buffer_info) {
 888                 for(i = 0; i < rxdr->count; i++) {
 889                         if(rxdr->buffer_info[i].dma)
 890                                 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
 891                                                  rxdr->buffer_info[i].length,
 892                                                  PCI_DMA_FROMDEVICE);
 893                         if(rxdr->buffer_info[i].skb)
 894                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
 895                 }
 896         }
 897
 898         if(txdr->desc)
 899                 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
 900         if(rxdr->desc)
 901                 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
 902
 903         if(txdr->buffer_info)
 904                 kfree(txdr->buffer_info);
 905         if(rxdr->buffer_info)
 906                 kfree(rxdr->buffer_info);
 907
 908         return;
 909 }
 910
 911 static int
 912 e1000_setup_desc_rings(struct e1000_adapter *adapter)
 913 {
 914         struct e1000_desc_ring *txdr = &adapter->test_tx_ring;
 915         struct e1000_desc_ring *rxdr = &adapter->test_rx_ring;
 916         struct pci_dev *pdev = adapter->pdev;
 917         uint32_t rctl;
 918         int size, i, ret_val;
 919
 920         /* Setup Tx descriptor ring and Tx buffers */
 921
 922         txdr->count = 80;
 923
 924         size = txdr->count * sizeof(struct e1000_buffer);
 925         if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
 926                 ret_val = 1;
 927                 goto err_nomem;
 928         }
 929         memset(txdr->buffer_info, 0, size);
 930
 931         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
 932         E1000_ROUNDUP(txdr->size, 4096);
 933         if(!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
 934                 ret_val = 2;
 935                 goto err_nomem;
 936         }
 937         memset(txdr->desc, 0, txdr->size);
 938         txdr->next_to_use = txdr->next_to_clean = 0;
 939
 940         E1000_WRITE_REG(&adapter->hw, TDBAL,
 941                         ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
 942         E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
 943         E1000_WRITE_REG(&adapter->hw, TDLEN,
 944                         txdr->count * sizeof(struct e1000_tx_desc));
 945         E1000_WRITE_REG(&adapter->hw, TDH, 0);
 946         E1000_WRITE_REG(&adapter->hw, TDT, 0);
 947         E1000_WRITE_REG(&adapter->hw, TCTL,
 948                         E1000_TCTL_PSP | E1000_TCTL_EN |
 949                         E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
 950                         E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
 951
 952         for(i = 0; i < txdr->count; i++) {
 953                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
 954                 struct sk_buff *skb;
 955                 unsigned int size = 1024;
 956
 957                 if(!(skb = alloc_skb(size, GFP_KERNEL))) {
 958                         ret_val = 3;
 959                         goto err_nomem;
 960                 }
 961                 skb_put(skb, size);
 962                 txdr->buffer_info[i].skb = skb;
 963                 txdr->buffer_info[i].length = skb->len;
 964                 txdr->buffer_info[i].dma =
 965                         pci_map_single(pdev, skb->data, skb->len,
 966                                        PCI_DMA_TODEVICE);
 967                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
 968                 tx_desc->lower.data = cpu_to_le32(skb->len);
 969                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
 970                                                    E1000_TXD_CMD_IFCS |
 971                                                    E1000_TXD_CMD_RPS);
 972                 tx_desc->upper.data = 0;
 973         }
 974
 975         /* Setup Rx descriptor ring and Rx buffers */
 976
 977         rxdr->count = 80;
 978
 979         size = rxdr->count * sizeof(struct e1000_buffer);
 980         if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
 981                 ret_val = 4;
 982                 goto err_nomem;
 983         }
 984         memset(rxdr->buffer_info, 0, size);
 985
 986         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
 987         if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
 988                 ret_val = 5;
 989                 goto err_nomem;
 990         }
 991         memset(rxdr->desc, 0, rxdr->size);
 992         rxdr->next_to_use = rxdr->next_to_clean = 0;
 993
 994         rctl = E1000_READ_REG(&adapter->hw, RCTL);
 995         E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
 996         E1000_WRITE_REG(&adapter->hw, RDBAL,
 997                         ((uint64_t) rxdr->dma & 0xFFFFFFFF));
 998         E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
 999         E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1000         E1000_WRITE_REG(&adapter->hw, RDH, 0);
1001         E1000_WRITE_REG(&adapter->hw, RDT, 0);
1002         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1003                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1004                 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1005         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1006
1007         for(i = 0; i < rxdr->count; i++) {
1008                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1009                 struct sk_buff *skb;
1010
1011                 if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1012                                 GFP_KERNEL))) {
1013                         ret_val = 6;
1014                         goto err_nomem;
1015                 }
1016                 skb_reserve(skb, NET_IP_ALIGN);
1017                 rxdr->buffer_info[i].skb = skb;
1018                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1019                 rxdr->buffer_info[i].dma =
1020                         pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1021                                        PCI_DMA_FROMDEVICE);
1022                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1023                 memset(skb->data, 0x00, skb->len);
1024         }
1025
1026         return 0;
1027
1028 err_nomem:
1029         e1000_free_desc_rings(adapter);
1030         return ret_val;
1031 }
1032
1033 static void
1034 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1035 {
1036         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1037         e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1038         e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1039         e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1040         e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1041 }
1042
1043 static void
1044 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1045 {
1046         uint16_t phy_reg;
1047
1048         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1049          * Extended PHY Specific Control Register to 25MHz clock.  This
1050          * value defaults back to a 2.5MHz clock when the PHY is reset.
1051          */
1052         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1053         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1054         e1000_write_phy_reg(&adapter->hw,
1055                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1056
1057         /* In addition, because of the s/w reset above, we need to enable
1058          * CRS on TX.  This must be set for both full and half duplex
1059          * operation.
1060          */
1061         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1062         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1063         e1000_write_phy_reg(&adapter->hw,
1064                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1065 }
1066
1067 static int
1068 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1069 {
1070         uint32_t ctrl_reg;
1071         uint16_t phy_reg;
1072
1073         /* Setup the Device Control Register for PHY loopback test. */
1074
1075         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1076         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1077                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1078                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1079                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1080                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1081
1082         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1083
1084         /* Read the PHY Specific Control Register (0x10) */
1085         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1086
1087         /* Clear Auto-Crossover bits in PHY Specific Control Register
1088          * (bits 6:5).
1089          */
1090         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1091         e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1092
1093         /* Perform software reset on the PHY */
1094         e1000_phy_reset(&adapter->hw);
1095
1096         /* Have to setup TX_CLK and TX_CRS after software reset */
1097         e1000_phy_reset_clk_and_crs(adapter);
1098
1099         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1100
1101         /* Wait for reset to complete. */
1102         udelay(500);
1103
1104         /* Have to setup TX_CLK and TX_CRS after software reset */
1105         e1000_phy_reset_clk_and_crs(adapter);
1106
1107         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1108         e1000_phy_disable_receiver(adapter);
1109
1110         /* Set the loopback bit in the PHY control register. */
1111         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1112         phy_reg |= MII_CR_LOOPBACK;
1113         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1114
1115         /* Setup TX_CLK and TX_CRS one more time. */
1116         e1000_phy_reset_clk_and_crs(adapter);
1117
1118         /* Check Phy Configuration */
1119         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1120         if(phy_reg != 0x4100)
1121                  return 9;
1122
1123         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1124         if(phy_reg != 0x0070)
1125                 return 10;
1126
1127         e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1128         if(phy_reg != 0x001A)
1129                 return 11;
1130
1131         return 0;
1132 }
1133
1134 static int
1135 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1136 {
1137         uint32_t ctrl_reg = 0;
1138         uint32_t stat_reg = 0;
1139
1140         adapter->hw.autoneg = FALSE;
1141
1142         if(adapter->hw.phy_type == e1000_phy_m88) {
1143                 /* Auto-MDI/MDIX Off */
1144                 e1000_write_phy_reg(&adapter->hw,
1145                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1146                 /* reset to update Auto-MDI/MDIX */
1147                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1148                 /* autoneg off */
1149                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1150         }
1151         /* force 1000, set loopback */
1152         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1153
1154         /* Now set up the MAC to the same speed/duplex as the PHY. */
1155         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1156         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1157         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1158                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1159                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1160                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1161
1162         if(adapter->hw.media_type == e1000_media_type_copper &&
1163            adapter->hw.phy_type == e1000_phy_m88) {
1164                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1165         } else {
1166                 /* Set the ILOS bit on the fiber Nic is half
1167                  * duplex link is detected. */
1168                 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1169                 if((stat_reg & E1000_STATUS_FD) == 0)
1170                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1171         }
1172
1173         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1174
1175         /* Disable the receiver on the PHY so when a cable is plugged in, the
1176          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1177          */
1178         if(adapter->hw.phy_type == e1000_phy_m88)
1179                 e1000_phy_disable_receiver(adapter);
1180
1181         udelay(500);
1182
1183         return 0;
1184 }
1185
1186 static int
1187 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1188 {
1189         uint16_t phy_reg = 0;
1190         uint16_t count = 0;
1191
1192         switch (adapter->hw.mac_type) {
1193         case e1000_82543:
1194                 if(adapter->hw.media_type == e1000_media_type_copper) {
1195                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1196                          * Some PHY registers get corrupted at random, so
1197                          * attempt this 10 times.
1198                          */
1199                         while(e1000_nonintegrated_phy_loopback(adapter) &&
1200                               count++ < 10);
1201                         if(count < 11)
1202                                 return 0;
1203                 }
1204                 break;
1205
1206         case e1000_82544:
1207         case e1000_82540:
1208         case e1000_82545:
1209         case e1000_82545_rev_3:
1210         case e1000_82546:
1211         case e1000_82546_rev_3:
1212         case e1000_82541:
1213         case e1000_82541_rev_2:
1214         case e1000_82547:
1215         case e1000_82547_rev_2:
1216                 return e1000_integrated_phy_loopback(adapter);
1217                 break;
1218
1219         default:
1220                 /* Default PHY loopback work is to read the MII
1221                  * control register and assert bit 14 (loopback mode).
1222                  */
1223                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1224                 phy_reg |= MII_CR_LOOPBACK;
1225                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1226                 return 0;
1227                 break;
1228         }
1229
1230         return 8;
1231 }
1232
1233 static int
1234 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1235 {
1236         uint32_t rctl;
1237
1238         if(adapter->hw.media_type == e1000_media_type_fiber ||
1239            adapter->hw.media_type == e1000_media_type_internal_serdes) {
1240                 if(adapter->hw.mac_type == e1000_82545 ||
1241                    adapter->hw.mac_type == e1000_82546 ||
1242                    adapter->hw.mac_type == e1000_82545_rev_3 ||
1243                    adapter->hw.mac_type == e1000_82546_rev_3)
1244                         return e1000_set_phy_loopback(adapter);
1245                 else {
1246                         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1247                         rctl |= E1000_RCTL_LBM_TCVR;
1248                         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1249                         return 0;
1250                 }
1251         } else if(adapter->hw.media_type == e1000_media_type_copper)
1252                 return e1000_set_phy_loopback(adapter);
1253
1254         return 7;
1255 }
1256
1257 static void
1258 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1259 {
1260         uint32_t rctl;
1261         uint16_t phy_reg;
1262
1263         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1264         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1265         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1266
1267         if(adapter->hw.media_type == e1000_media_type_copper ||
1268            ((adapter->hw.media_type == e1000_media_type_fiber ||
1269              adapter->hw.media_type == e1000_media_type_internal_serdes) &&
1270             (adapter->hw.mac_type == e1000_82545 ||
1271              adapter->hw.mac_type == e1000_82546 ||
1272              adapter->hw.mac_type == e1000_82545_rev_3 ||
1273              adapter->hw.mac_type == e1000_82546_rev_3))) {
1274                 adapter->hw.autoneg = TRUE;
1275                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1276                 if(phy_reg & MII_CR_LOOPBACK) {
1277                         phy_reg &= ~MII_CR_LOOPBACK;
1278                         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1279                         e1000_phy_reset(&adapter->hw);
1280                 }
1281         }
1282 }
1283
1284 static void
1285 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1286 {
1287         memset(skb->data, 0xFF, frame_size);
1288         frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1289         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1290         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1291         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1292 }
1293
1294 static int
1295 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1296 {
1297         frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1298         if(*(skb->data + 3) == 0xFF) {
1299                 if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1300                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1301                         return 0;
1302                 }
1303         }
1304         return 13;
1305 }
1306
1307 static int
1308 e1000_run_loopback_test(struct e1000_adapter *adapter)
1309 {
1310         struct e1000_desc_ring *txdr = &adapter->test_tx_ring;
1311         struct e1000_desc_ring *rxdr = &adapter->test_rx_ring;
1312         struct pci_dev *pdev = adapter->pdev;
1313         int i;
1314
1315         E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1316
1317         for(i = 0; i < 64; i++) {
1318                 e1000_create_lbtest_frame(txdr->buffer_info[i].skb, 1024);
1319                 pci_dma_sync_single_for_device(pdev, txdr->buffer_info[i].dma,
1320                                             txdr->buffer_info[i].length,
1321                                             PCI_DMA_TODEVICE);
1322         }
1323         E1000_WRITE_REG(&adapter->hw, TDT, i);
1324
1325         msec_delay(200);
1326
1327         i = 0;
1328         do {
1329                 pci_dma_sync_single_for_cpu(pdev, rxdr->buffer_info[i].dma,
1330                                             rxdr->buffer_info[i].length,
1331                                             PCI_DMA_FROMDEVICE);
1332
1333                 if (!e1000_check_lbtest_frame(rxdr->buffer_info[i++].skb, 1024))
1334                         return 0;
1335         } while (i < 64);
1336
1337         return 13;
1338 }
1339
1340 static int
1341 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1342 {
1343         if((*data = e1000_setup_desc_rings(adapter))) goto err_loopback;
1344         if((*data = e1000_setup_loopback_test(adapter))) goto err_loopback;
1345         *data = e1000_run_loopback_test(adapter);
1346         e1000_loopback_cleanup(adapter);
1347         e1000_free_desc_rings(adapter);
1348 err_loopback:
1349         return *data;
1350 }
1351
1352 static int
1353 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1354 {
1355         *data = 0;
1356
1357         if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1358                 int i = 0;
1359                 adapter->hw.serdes_link_down = TRUE;
1360
1361                 /* on some blade server designs link establishment */
1362                 /* could take as long as 2-3 minutes.              */
1363                 do {
1364                         e1000_check_for_link(&adapter->hw);
1365                         if (adapter->hw.serdes_link_down == FALSE)
1366                                 return *data;
1367                         msec_delay(20);
1368                 } while (i++ < 3750);
1369
1370                 *data = 1;
1371         } else {
1372                 e1000_check_for_link(&adapter->hw);
1373
1374                 if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1375                         *data = 1;
1376                 }
1377         }
1378         return *data;
1379 }
1380
1381 static int
1382 e1000_diag_test_count(struct net_device *netdev)
1383 {
1384         return E1000_TEST_LEN;
1385 }
1386
1387 static void
1388 e1000_diag_test(struct net_device *netdev,
1389                    struct ethtool_test *eth_test, uint64_t *data)
1390 {
1391         struct e1000_adapter *adapter = netdev->priv;
1392         boolean_t if_running = netif_running(netdev);
1393
1394         if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
1395                 /* Offline tests */
1396
1397                 /* save speed, duplex, autoneg settings */
1398                 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1399                 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1400                 uint8_t autoneg = adapter->hw.autoneg;
1401
1402                 /* Link test performed before hardware reset so autoneg doesn't
1403                  * interfere with test result */
1404                 if(e1000_link_test(adapter, &data[4]))
1405                         eth_test->flags |= ETH_TEST_FL_FAILED;
1406
1407                 if(if_running)
1408                         e1000_down(adapter);
1409                 else
1410                         e1000_reset(adapter);
1411
1412                 if(e1000_reg_test(adapter, &data[0]))
1413                         eth_test->flags |= ETH_TEST_FL_FAILED;
1414
1415                 e1000_reset(adapter);
1416                 if(e1000_eeprom_test(adapter, &data[1]))
1417                         eth_test->flags |= ETH_TEST_FL_FAILED;
1418
1419                 e1000_reset(adapter);
1420                 if(e1000_intr_test(adapter, &data[2]))
1421                         eth_test->flags |= ETH_TEST_FL_FAILED;
1422
1423                 e1000_reset(adapter);
1424                 if(e1000_loopback_test(adapter, &data[3]))
1425                         eth_test->flags |= ETH_TEST_FL_FAILED;
1426
1427                 /* restore speed, duplex, autoneg settings */
1428                 adapter->hw.autoneg_advertised = autoneg_advertised;
1429                 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1430                 adapter->hw.autoneg = autoneg;
1431
1432                 e1000_reset(adapter);
1433                 if(if_running)
1434                         e1000_up(adapter);
1435         } else {
1436                 /* Online tests */
1437                 if(e1000_link_test(adapter, &data[4]))
1438                         eth_test->flags |= ETH_TEST_FL_FAILED;
1439
1440                 /* Offline tests aren't run; pass by default */
1441                 data[0] = 0;
1442                 data[1] = 0;
1443                 data[2] = 0;
1444                 data[3] = 0;
1445         }
1446 }
1447
1448 static void
1449 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1450 {
1451         struct e1000_adapter *adapter = netdev->priv;
1452         struct e1000_hw *hw = &adapter->hw;
1453
1454         switch(adapter->hw.device_id) {
1455         case E1000_DEV_ID_82542:
1456         case E1000_DEV_ID_82543GC_FIBER:
1457         case E1000_DEV_ID_82543GC_COPPER:
1458         case E1000_DEV_ID_82544EI_FIBER:
1459         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1460         case E1000_DEV_ID_82545EM_FIBER:
1461         case E1000_DEV_ID_82545EM_COPPER:
1462                 wol->supported = 0;
1463                 wol->wolopts   = 0;
1464                 return;
1465
1466         case E1000_DEV_ID_82546EB_FIBER:
1467         case E1000_DEV_ID_82546GB_FIBER:
1468                 /* Wake events only supported on port A for dual fiber */
1469                 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1470                         wol->supported = 0;
1471                         wol->wolopts   = 0;
1472                         return;
1473                 }
1474                 /* Fall Through */
1475
1476         default:
1477                 wol->supported = WAKE_UCAST | WAKE_MCAST |
1478                                  WAKE_BCAST | WAKE_MAGIC;
1479
1480                 wol->wolopts = 0;
1481                 if(adapter->wol & E1000_WUFC_EX)
1482                         wol->wolopts |= WAKE_UCAST;
1483                 if(adapter->wol & E1000_WUFC_MC)
1484                         wol->wolopts |= WAKE_MCAST;
1485                 if(adapter->wol & E1000_WUFC_BC)
1486                         wol->wolopts |= WAKE_BCAST;
1487                 if(adapter->wol & E1000_WUFC_MAG)
1488                         wol->wolopts |= WAKE_MAGIC;
1489                 return;
1490         }
1491 }
1492
1493 static int
1494 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1495 {
1496         struct e1000_adapter *adapter = netdev->priv;
1497         struct e1000_hw *hw = &adapter->hw;
1498
1499         switch(adapter->hw.device_id) {
1500         case E1000_DEV_ID_82542:
1501         case E1000_DEV_ID_82543GC_FIBER:
1502         case E1000_DEV_ID_82543GC_COPPER:
1503         case E1000_DEV_ID_82544EI_FIBER:
1504         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1505         case E1000_DEV_ID_82545EM_FIBER:
1506         case E1000_DEV_ID_82545EM_COPPER:
1507                 return wol->wolopts ? -EOPNOTSUPP : 0;
1508
1509         case E1000_DEV_ID_82546EB_FIBER:
1510         case E1000_DEV_ID_82546GB_FIBER:
1511                 /* Wake events only supported on port A for dual fiber */
1512                 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
1513                         return wol->wolopts ? -EOPNOTSUPP : 0;
1514                 /* Fall Through */
1515
1516         default:
1517                 if(wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1518                         return -EOPNOTSUPP;
1519
1520                 adapter->wol = 0;
1521
1522                 if(wol->wolopts & WAKE_UCAST)
1523                         adapter->wol |= E1000_WUFC_EX;
1524                 if(wol->wolopts & WAKE_MCAST)
1525                         adapter->wol |= E1000_WUFC_MC;
1526                 if(wol->wolopts & WAKE_BCAST)
1527                         adapter->wol |= E1000_WUFC_BC;
1528                 if(wol->wolopts & WAKE_MAGIC)
1529                         adapter->wol |= E1000_WUFC_MAG;
1530         }
1531
1532         return 0;
1533 }
1534
1535 /* toggle LED 4 times per second = 2 "blinks" per second */
1536 #define E1000_ID_INTERVAL       (HZ/4)
1537
1538 /* bit defines for adapter->led_status */
1539 #define E1000_LED_ON            0
1540
1541 static void
1542 e1000_led_blink_callback(unsigned long data)
1543 {
1544         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1545
1546         if(test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1547                 e1000_led_off(&adapter->hw);
1548         else
1549                 e1000_led_on(&adapter->hw);
1550
1551         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1552 }
1553
1554 static int
1555 e1000_phys_id(struct net_device *netdev, uint32_t data)
1556 {
1557         struct e1000_adapter *adapter = netdev->priv;
1558
1559         if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1560                 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1561
1562         if(!adapter->blink_timer.function) {
1563                 init_timer(&adapter->blink_timer);
1564                 adapter->blink_timer.function = e1000_led_blink_callback;
1565                 adapter->blink_timer.data = (unsigned long) adapter;
1566         }
1567
1568         e1000_setup_led(&adapter->hw);
1569         mod_timer(&adapter->blink_timer, jiffies);
1570
1571         msleep_interruptible(data * 1000);
1572         del_timer_sync(&adapter->blink_timer);
1573         e1000_led_off(&adapter->hw);
1574         clear_bit(E1000_LED_ON, &adapter->led_status);
1575         e1000_cleanup_led(&adapter->hw);
1576
1577         return 0;
1578 }
1579
1580 static int
1581 e1000_nway_reset(struct net_device *netdev)
1582 {
1583         struct e1000_adapter *adapter = netdev->priv;
1584         if(netif_running(netdev)) {
1585                 e1000_down(adapter);
1586                 e1000_up(adapter);
1587         }
1588         return 0;
1589 }
1590
1591 static int
1592 e1000_get_stats_count(struct net_device *netdev)
1593 {
1594         return E1000_STATS_LEN;
1595 }
1596
1597 static void
1598 e1000_get_ethtool_stats(struct net_device *netdev,
1599                 struct ethtool_stats *stats, uint64_t *data)
1600 {
1601         struct e1000_adapter *adapter = netdev->priv;
1602         int i;
1603
1604         e1000_update_stats(adapter);
1605         for(i = 0; i < E1000_STATS_LEN; i++) {
1606                 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1607                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1608                         sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1609         }
1610 }
1611
1612 static void
1613 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1614 {
1615         int i;
1616
1617         switch(stringset) {
1618         case ETH_SS_TEST:
1619                 memcpy(data, *e1000_gstrings_test,
1620                         E1000_TEST_LEN*ETH_GSTRING_LEN);
1621                 break;
1622         case ETH_SS_STATS:
1623                 for (i=0; i < E1000_STATS_LEN; i++) {
1624                         memcpy(data + i * ETH_GSTRING_LEN,
1625                         e1000_gstrings_stats[i].stat_string,
1626                         ETH_GSTRING_LEN);
1627                 }
1628                 break;
1629         }
1630 }
1631
1632 struct ethtool_ops e1000_ethtool_ops = {
1633         .get_settings           = e1000_get_settings,
1634         .set_settings           = e1000_set_settings,
1635         .get_drvinfo            = e1000_get_drvinfo,
1636         .get_regs_len           = e1000_get_regs_len,
1637         .get_regs               = e1000_get_regs,
1638         .get_wol                = e1000_get_wol,
1639         .set_wol                = e1000_set_wol,
1640         .get_msglevel           = e1000_get_msglevel,
1641         .set_msglevel           = e1000_set_msglevel,
1642         .nway_reset             = e1000_nway_reset,
1643         .get_link               = ethtool_op_get_link,
1644         .get_eeprom_len         = e1000_get_eeprom_len,
1645         .get_eeprom             = e1000_get_eeprom,
1646         .set_eeprom             = e1000_set_eeprom,
1647         .get_ringparam          = e1000_get_ringparam,
1648         .set_ringparam          = e1000_set_ringparam,
1649         .get_pauseparam         = e1000_get_pauseparam,
1650         .set_pauseparam         = e1000_set_pauseparam,
1651         .get_rx_csum            = e1000_get_rx_csum,
1652         .set_rx_csum            = e1000_set_rx_csum,
1653         .get_tx_csum            = e1000_get_tx_csum,
1654         .set_tx_csum            = e1000_set_tx_csum,
1655         .get_sg                 = ethtool_op_get_sg,
1656         .set_sg                 = ethtool_op_set_sg,
1657 #ifdef NETIF_F_TSO
1658         .get_tso                = ethtool_op_get_tso,
1659         .set_tso                = e1000_set_tso,
1660 #endif
1661         .self_test_count        = e1000_diag_test_count,
1662         .self_test              = e1000_diag_test,
1663         .get_strings            = e1000_get_strings,
1664         .phys_id                = e1000_phys_id,
1665         .get_stats_count        = e1000_get_stats_count,
1666         .get_ethtool_stats      = e1000_get_ethtool_stats,
1667 };
1668
1669 void e1000_set_ethtool_ops(struct net_device *netdev)
1670 {
1671         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1672 }