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 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_all_rx_resources(struct e1000_adapter *adapter);
  43 extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
  44 extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
  45 extern void e1000_free_all_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         { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
  64         { "multicast", E1000_STAT(net_stats.multicast) },
  65         { "collisions", E1000_STAT(net_stats.collisions) },
  66         { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
  67         { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
  68         { "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) },
  69         { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
  70         { "rx_fifo_errors", E1000_STAT(net_stats.rx_fifo_errors) },
  71         { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
  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         { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
  83         { "rx_long_length_errors", E1000_STAT(stats.roc) },
  84         { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  85         { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  86         { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  87         { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  88         { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  89         { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  90         { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  91         { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  92         { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
  93         { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  94         { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
  95         { "rx_header_split", E1000_STAT(rx_hdr_split) },
  96         { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
  97 };
  98
  99 #define E1000_QUEUE_STATS_LEN 0
 100 #define E1000_GLOBAL_STATS_LEN  \
 101         sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
 102 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
 103 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 104         "Register test  (offline)", "Eeprom test    (offline)",
 105         "Interrupt test (offline)", "Loopback test  (offline)",
 106         "Link test   (on/offline)"
 107 };
 108 #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
 109
 110 static int
 111 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 112 {
 113         struct e1000_adapter *adapter = netdev_priv(netdev);
 114         struct e1000_hw *hw = &adapter->hw;
 115
 116         if (hw->media_type == e1000_media_type_copper) {
 117
 118                 ecmd->supported = (SUPPORTED_10baseT_Half |
 119                                    SUPPORTED_10baseT_Full |
 120                                    SUPPORTED_100baseT_Half |
 121                                    SUPPORTED_100baseT_Full |
 122                                    SUPPORTED_1000baseT_Full|
 123                                    SUPPORTED_Autoneg |
 124                                    SUPPORTED_TP);
 125
 126                 ecmd->advertising = ADVERTISED_TP;
 127
 128                 if (hw->autoneg == 1) {
 129                         ecmd->advertising |= ADVERTISED_Autoneg;
 130
 131                         /* the e1000 autoneg seems to match ethtool nicely */
 132
 133                         ecmd->advertising |= hw->autoneg_advertised;
 134                 }
 135
 136                 ecmd->port = PORT_TP;
 137                 ecmd->phy_address = hw->phy_addr;
 138
 139                 if (hw->mac_type == e1000_82543)
 140                         ecmd->transceiver = XCVR_EXTERNAL;
 141                 else
 142                         ecmd->transceiver = XCVR_INTERNAL;
 143
 144         } else {
 145                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 146                                      SUPPORTED_FIBRE |
 147                                      SUPPORTED_Autoneg);
 148
 149                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 150                                      ADVERTISED_FIBRE |
 151                                      ADVERTISED_Autoneg);
 152
 153                 ecmd->port = PORT_FIBRE;
 154
 155                 if (hw->mac_type >= e1000_82545)
 156                         ecmd->transceiver = XCVR_INTERNAL;
 157                 else
 158                         ecmd->transceiver = XCVR_EXTERNAL;
 159         }
 160
 161         if (netif_carrier_ok(adapter->netdev)) {
 162
 163                 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
 164                                                    &adapter->link_duplex);
 165                 ecmd->speed = adapter->link_speed;
 166
 167                 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
 168                  *          and HALF_DUPLEX != DUPLEX_HALF */
 169
 170                 if (adapter->link_duplex == FULL_DUPLEX)
 171                         ecmd->duplex = DUPLEX_FULL;
 172                 else
 173                         ecmd->duplex = DUPLEX_HALF;
 174         } else {
 175                 ecmd->speed = -1;
 176                 ecmd->duplex = -1;
 177         }
 178
 179         ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
 180                          hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 181         return 0;
 182 }
 183
 184 static int
 185 e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 186 {
 187         struct e1000_adapter *adapter = netdev_priv(netdev);
 188         struct e1000_hw *hw = &adapter->hw;
 189
 190         /* When SoL/IDER sessions are active, autoneg/speed/duplex
 191          * cannot be changed */
 192         if (e1000_check_phy_reset_block(hw)) {
 193                 DPRINTK(DRV, ERR, "Cannot change link characteristics "
 194                         "when SoL/IDER is active.\n");
 195                 return -EINVAL;
 196         }
 197
 198         if (ecmd->autoneg == AUTONEG_ENABLE) {
 199                 hw->autoneg = 1;
 200                 if (hw->media_type == e1000_media_type_fiber)
 201                         hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
 202                                      ADVERTISED_FIBRE |
 203                                      ADVERTISED_Autoneg;
 204                 else
 205                         hw->autoneg_advertised = ADVERTISED_10baseT_Half |
 206                                                   ADVERTISED_10baseT_Full |
 207                                                   ADVERTISED_100baseT_Half |
 208                                                   ADVERTISED_100baseT_Full |
 209                                                   ADVERTISED_1000baseT_Full|
 210                                                   ADVERTISED_Autoneg |
 211                                                   ADVERTISED_TP;
 212                 ecmd->advertising = hw->autoneg_advertised;
 213         } else
 214                 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
 215                         return -EINVAL;
 216
 217         /* reset the link */
 218
 219         if (netif_running(adapter->netdev)) {
 220                 e1000_down(adapter);
 221                 e1000_reset(adapter);
 222                 e1000_up(adapter);
 223         } else
 224                 e1000_reset(adapter);
 225
 226         return 0;
 227 }
 228
 229 static void
 230 e1000_get_pauseparam(struct net_device *netdev,
 231                      struct ethtool_pauseparam *pause)
 232 {
 233         struct e1000_adapter *adapter = netdev_priv(netdev);
 234         struct e1000_hw *hw = &adapter->hw;
 235
 236         pause->autoneg =
 237                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 238
 239         if (hw->fc == e1000_fc_rx_pause)
 240                 pause->rx_pause = 1;
 241         else if (hw->fc == e1000_fc_tx_pause)
 242                 pause->tx_pause = 1;
 243         else if (hw->fc == e1000_fc_full) {
 244                 pause->rx_pause = 1;
 245                 pause->tx_pause = 1;
 246         }
 247 }
 248
 249 static int
 250 e1000_set_pauseparam(struct net_device *netdev,
 251                      struct ethtool_pauseparam *pause)
 252 {
 253         struct e1000_adapter *adapter = netdev_priv(netdev);
 254         struct e1000_hw *hw = &adapter->hw;
 255
 256         adapter->fc_autoneg = pause->autoneg;
 257
 258         if (pause->rx_pause && pause->tx_pause)
 259                 hw->fc = e1000_fc_full;
 260         else if (pause->rx_pause && !pause->tx_pause)
 261                 hw->fc = e1000_fc_rx_pause;
 262         else if (!pause->rx_pause && pause->tx_pause)
 263                 hw->fc = e1000_fc_tx_pause;
 264         else if (!pause->rx_pause && !pause->tx_pause)
 265                 hw->fc = e1000_fc_none;
 266
 267         hw->original_fc = hw->fc;
 268
 269         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 270                 if (netif_running(adapter->netdev)) {
 271                         e1000_down(adapter);
 272                         e1000_up(adapter);
 273                 } else
 274                         e1000_reset(adapter);
 275         } else
 276                 return ((hw->media_type == e1000_media_type_fiber) ?
 277                         e1000_setup_link(hw) : e1000_force_mac_fc(hw));
 278
 279         return 0;
 280 }
 281
 282 static uint32_t
 283 e1000_get_rx_csum(struct net_device *netdev)
 284 {
 285         struct e1000_adapter *adapter = netdev_priv(netdev);
 286         return adapter->rx_csum;
 287 }
 288
 289 static int
 290 e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
 291 {
 292         struct e1000_adapter *adapter = netdev_priv(netdev);
 293         adapter->rx_csum = data;
 294
 295         if (netif_running(netdev)) {
 296                 e1000_down(adapter);
 297                 e1000_up(adapter);
 298         } else
 299                 e1000_reset(adapter);
 300         return 0;
 301 }
 302
 303 static uint32_t
 304 e1000_get_tx_csum(struct net_device *netdev)
 305 {
 306         return (netdev->features & NETIF_F_HW_CSUM) != 0;
 307 }
 308
 309 static int
 310 e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
 311 {
 312         struct e1000_adapter *adapter = netdev_priv(netdev);
 313
 314         if (adapter->hw.mac_type < e1000_82543) {
 315                 if (!data)
 316                         return -EINVAL;
 317                 return 0;
 318         }
 319
 320         if (data)
 321                 netdev->features |= NETIF_F_HW_CSUM;
 322         else
 323                 netdev->features &= ~NETIF_F_HW_CSUM;
 324
 325         return 0;
 326 }
 327
 328 #ifdef NETIF_F_TSO
 329 static int
 330 e1000_set_tso(struct net_device *netdev, uint32_t data)
 331 {
 332         struct e1000_adapter *adapter = netdev_priv(netdev);
 333         if ((adapter->hw.mac_type < e1000_82544) ||
 334             (adapter->hw.mac_type == e1000_82547))
 335                 return data ? -EINVAL : 0;
 336
 337         if (data)
 338                 netdev->features |= NETIF_F_TSO;
 339         else
 340                 netdev->features &= ~NETIF_F_TSO;
 341         return 0;
 342 }
 343 #endif /* NETIF_F_TSO */
 344
 345 static uint32_t
 346 e1000_get_msglevel(struct net_device *netdev)
 347 {
 348         struct e1000_adapter *adapter = netdev_priv(netdev);
 349         return adapter->msg_enable;
 350 }
 351
 352 static void
 353 e1000_set_msglevel(struct net_device *netdev, uint32_t data)
 354 {
 355         struct e1000_adapter *adapter = netdev_priv(netdev);
 356         adapter->msg_enable = data;
 357 }
 358
 359 static int
 360 e1000_get_regs_len(struct net_device *netdev)
 361 {
 362 #define E1000_REGS_LEN 32
 363         return E1000_REGS_LEN * sizeof(uint32_t);
 364 }
 365
 366 static void
 367 e1000_get_regs(struct net_device *netdev,
 368                struct ethtool_regs *regs, void *p)
 369 {
 370         struct e1000_adapter *adapter = netdev_priv(netdev);
 371         struct e1000_hw *hw = &adapter->hw;
 372         uint32_t *regs_buff = p;
 373         uint16_t phy_data;
 374
 375         memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));
 376
 377         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 378
 379         regs_buff[0]  = E1000_READ_REG(hw, CTRL);
 380         regs_buff[1]  = E1000_READ_REG(hw, STATUS);
 381
 382         regs_buff[2]  = E1000_READ_REG(hw, RCTL);
 383         regs_buff[3]  = E1000_READ_REG(hw, RDLEN);
 384         regs_buff[4]  = E1000_READ_REG(hw, RDH);
 385         regs_buff[5]  = E1000_READ_REG(hw, RDT);
 386         regs_buff[6]  = E1000_READ_REG(hw, RDTR);
 387
 388         regs_buff[7]  = E1000_READ_REG(hw, TCTL);
 389         regs_buff[8]  = E1000_READ_REG(hw, TDLEN);
 390         regs_buff[9]  = E1000_READ_REG(hw, TDH);
 391         regs_buff[10] = E1000_READ_REG(hw, TDT);
 392         regs_buff[11] = E1000_READ_REG(hw, TIDV);
 393
 394         regs_buff[12] = adapter->hw.phy_type;  /* PHY type (IGP=1, M88=0) */
 395         if (hw->phy_type == e1000_phy_igp) {
 396                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 397                                     IGP01E1000_PHY_AGC_A);
 398                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
 399                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 400                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 401                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 402                                     IGP01E1000_PHY_AGC_B);
 403                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
 404                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 405                 regs_buff[14] = (uint32_t)phy_data; /* cable length */
 406                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 407                                     IGP01E1000_PHY_AGC_C);
 408                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
 409                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 410                 regs_buff[15] = (uint32_t)phy_data; /* cable length */
 411                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 412                                     IGP01E1000_PHY_AGC_D);
 413                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
 414                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 415                 regs_buff[16] = (uint32_t)phy_data; /* cable length */
 416                 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
 417                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 418                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
 419                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 420                 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
 421                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 422                                     IGP01E1000_PHY_PCS_INIT_REG);
 423                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
 424                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 425                 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
 426                 regs_buff[20] = 0; /* polarity correction enabled (always) */
 427                 regs_buff[22] = 0; /* phy receive errors (unavailable) */
 428                 regs_buff[23] = regs_buff[18]; /* mdix mode */
 429                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 430         } else {
 431                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 432                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 433                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 434                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 435                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 436                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 437                 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
 438                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 439                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 440                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 441                 /* phy receive errors */
 442                 regs_buff[22] = adapter->phy_stats.receive_errors;
 443                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 444         }
 445         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 446         e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
 447         regs_buff[24] = (uint32_t)phy_data;  /* phy local receiver status */
 448         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 449         if (hw->mac_type >= e1000_82540 &&
 450            hw->media_type == e1000_media_type_copper) {
 451                 regs_buff[26] = E1000_READ_REG(hw, MANC);
 452         }
 453 }
 454
 455 static int
 456 e1000_get_eeprom_len(struct net_device *netdev)
 457 {
 458         struct e1000_adapter *adapter = netdev_priv(netdev);
 459         return adapter->hw.eeprom.word_size * 2;
 460 }
 461
 462 static int
 463 e1000_get_eeprom(struct net_device *netdev,
 464                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 465 {
 466         struct e1000_adapter *adapter = netdev_priv(netdev);
 467         struct e1000_hw *hw = &adapter->hw;
 468         uint16_t *eeprom_buff;
 469         int first_word, last_word;
 470         int ret_val = 0;
 471         uint16_t i;
 472
 473         if (eeprom->len == 0)
 474                 return -EINVAL;
 475
 476         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 477
 478         first_word = eeprom->offset >> 1;
 479         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 480
 481         eeprom_buff = kmalloc(sizeof(uint16_t) *
 482                         (last_word - first_word + 1), GFP_KERNEL);
 483         if (!eeprom_buff)
 484                 return -ENOMEM;
 485
 486         if (hw->eeprom.type == e1000_eeprom_spi)
 487                 ret_val = e1000_read_eeprom(hw, first_word,
 488                                             last_word - first_word + 1,
 489                                             eeprom_buff);
 490         else {
 491                 for (i = 0; i < last_word - first_word + 1; i++)
 492                         if ((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
 493                                                         &eeprom_buff[i])))
 494                                 break;
 495         }
 496
 497         /* Device's eeprom is always little-endian, word addressable */
 498         for (i = 0; i < last_word - first_word + 1; i++)
 499                 le16_to_cpus(&eeprom_buff[i]);
 500
 501         memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
 502                         eeprom->len);
 503         kfree(eeprom_buff);
 504
 505         return ret_val;
 506 }
 507
 508 static int
 509 e1000_set_eeprom(struct net_device *netdev,
 510                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 511 {
 512         struct e1000_adapter *adapter = netdev_priv(netdev);
 513         struct e1000_hw *hw = &adapter->hw;
 514         uint16_t *eeprom_buff;
 515         void *ptr;
 516         int max_len, first_word, last_word, ret_val = 0;
 517         uint16_t i;
 518
 519         if (eeprom->len == 0)
 520                 return -EOPNOTSUPP;
 521
 522         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 523                 return -EFAULT;
 524
 525         max_len = hw->eeprom.word_size * 2;
 526
 527         first_word = eeprom->offset >> 1;
 528         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 529         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 530         if (!eeprom_buff)
 531                 return -ENOMEM;
 532
 533         ptr = (void *)eeprom_buff;
 534
 535         if (eeprom->offset & 1) {
 536                 /* need read/modify/write of first changed EEPROM word */
 537                 /* only the second byte of the word is being modified */
 538                 ret_val = e1000_read_eeprom(hw, first_word, 1,
 539                                             &eeprom_buff[0]);
 540                 ptr++;
 541         }
 542         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 543                 /* need read/modify/write of last changed EEPROM word */
 544                 /* only the first byte of the word is being modified */
 545                 ret_val = e1000_read_eeprom(hw, last_word, 1,
 546                                   &eeprom_buff[last_word - first_word]);
 547         }
 548
 549         /* Device's eeprom is always little-endian, word addressable */
 550         for (i = 0; i < last_word - first_word + 1; i++)
 551                 le16_to_cpus(&eeprom_buff[i]);
 552
 553         memcpy(ptr, bytes, eeprom->len);
 554
 555         for (i = 0; i < last_word - first_word + 1; i++)
 556                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 557
 558         ret_val = e1000_write_eeprom(hw, first_word,
 559                                      last_word - first_word + 1, eeprom_buff);
 560
 561         /* Update the checksum over the first part of the EEPROM if needed
 562          * and flush shadow RAM for 82573 conrollers */
 563         if ((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) ||
 564                                 (hw->mac_type == e1000_82573)))
 565                 e1000_update_eeprom_checksum(hw);
 566
 567         kfree(eeprom_buff);
 568         return ret_val;
 569 }
 570
 571 static void
 572 e1000_get_drvinfo(struct net_device *netdev,
 573                        struct ethtool_drvinfo *drvinfo)
 574 {
 575         struct e1000_adapter *adapter = netdev_priv(netdev);
 576         char firmware_version[32];
 577         uint16_t eeprom_data;
 578
 579         strncpy(drvinfo->driver,  e1000_driver_name, 32);
 580         strncpy(drvinfo->version, e1000_driver_version, 32);
 581
 582         /* EEPROM image version # is reported as firmware version # for
 583          * 8257{1|2|3} controllers */
 584         e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data);
 585         switch (adapter->hw.mac_type) {
 586         case e1000_82571:
 587         case e1000_82572:
 588         case e1000_82573:
 589                 sprintf(firmware_version, "%d.%d-%d",
 590                         (eeprom_data & 0xF000) >> 12,
 591                         (eeprom_data & 0x0FF0) >> 4,
 592                         eeprom_data & 0x000F);
 593                 break;
 594         default:
 595                 sprintf(firmware_version, "N/A");
 596         }
 597
 598         strncpy(drvinfo->fw_version, firmware_version, 32);
 599         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 600         drvinfo->n_stats = E1000_STATS_LEN;
 601         drvinfo->testinfo_len = E1000_TEST_LEN;
 602         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 603         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 604 }
 605
 606 static void
 607 e1000_get_ringparam(struct net_device *netdev,
 608                     struct ethtool_ringparam *ring)
 609 {
 610         struct e1000_adapter *adapter = netdev_priv(netdev);
 611         e1000_mac_type mac_type = adapter->hw.mac_type;
 612         struct e1000_tx_ring *txdr = adapter->tx_ring;
 613         struct e1000_rx_ring *rxdr = adapter->rx_ring;
 614
 615         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 616                 E1000_MAX_82544_RXD;
 617         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 618                 E1000_MAX_82544_TXD;
 619         ring->rx_mini_max_pending = 0;
 620         ring->rx_jumbo_max_pending = 0;
 621         ring->rx_pending = rxdr->count;
 622         ring->tx_pending = txdr->count;
 623         ring->rx_mini_pending = 0;
 624         ring->rx_jumbo_pending = 0;
 625 }
 626
 627 static int
 628 e1000_set_ringparam(struct net_device *netdev,
 629                     struct ethtool_ringparam *ring)
 630 {
 631         struct e1000_adapter *adapter = netdev_priv(netdev);
 632         e1000_mac_type mac_type = adapter->hw.mac_type;
 633         struct e1000_tx_ring *txdr, *tx_old, *tx_new;
 634         struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
 635         int i, err, tx_ring_size, rx_ring_size;
 636
 637         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 638                 return -EINVAL;
 639
 640         tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
 641         rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
 642
 643         if (netif_running(adapter->netdev))
 644                 e1000_down(adapter);
 645
 646         tx_old = adapter->tx_ring;
 647         rx_old = adapter->rx_ring;
 648
 649         adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
 650         if (!adapter->tx_ring) {
 651                 err = -ENOMEM;
 652                 goto err_setup_rx;
 653         }
 654         memset(adapter->tx_ring, 0, tx_ring_size);
 655
 656         adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
 657         if (!adapter->rx_ring) {
 658                 kfree(adapter->tx_ring);
 659                 err = -ENOMEM;
 660                 goto err_setup_rx;
 661         }
 662         memset(adapter->rx_ring, 0, rx_ring_size);
 663
 664         txdr = adapter->tx_ring;
 665         rxdr = adapter->rx_ring;
 666
 667         rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
 668         rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
 669                 E1000_MAX_RXD : E1000_MAX_82544_RXD));
 670         E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 671
 672         txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
 673         txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
 674                 E1000_MAX_TXD : E1000_MAX_82544_TXD));
 675         E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 676
 677         for (i = 0; i < adapter->num_tx_queues; i++)
 678                 txdr[i].count = txdr->count;
 679         for (i = 0; i < adapter->num_rx_queues; i++)
 680                 rxdr[i].count = rxdr->count;
 681
 682         if (netif_running(adapter->netdev)) {
 683                 /* Try to get new resources before deleting old */
 684                 if ((err = e1000_setup_all_rx_resources(adapter)))
 685                         goto err_setup_rx;
 686                 if ((err = e1000_setup_all_tx_resources(adapter)))
 687                         goto err_setup_tx;
 688
 689                 /* save the new, restore the old in order to free it,
 690                  * then restore the new back again */
 691
 692                 rx_new = adapter->rx_ring;
 693                 tx_new = adapter->tx_ring;
 694                 adapter->rx_ring = rx_old;
 695                 adapter->tx_ring = tx_old;
 696                 e1000_free_all_rx_resources(adapter);
 697                 e1000_free_all_tx_resources(adapter);
 698                 kfree(tx_old);
 699                 kfree(rx_old);
 700                 adapter->rx_ring = rx_new;
 701                 adapter->tx_ring = tx_new;
 702                 if ((err = e1000_up(adapter)))
 703                         return err;
 704         }
 705
 706         return 0;
 707 err_setup_tx:
 708         e1000_free_all_rx_resources(adapter);
 709 err_setup_rx:
 710         adapter->rx_ring = rx_old;
 711         adapter->tx_ring = tx_old;
 712         e1000_up(adapter);
 713         return err;
 714 }
 715
 716 #define REG_PATTERN_TEST(R, M, W)                                              \
 717 {                                                                              \
 718         uint32_t pat, value;                                                   \
 719         uint32_t test[] =                                                      \
 720                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};              \
 721         for (pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) {              \
 722                 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W));             \
 723                 value = E1000_READ_REG(&adapter->hw, R);                       \
 724                 if (value != (test[pat] & W & M)) {                             \
 725                         DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
 726                                 "0x%08X expected 0x%08X\n",                    \
 727                                 E1000_##R, value, (test[pat] & W & M));        \
 728                         *data = (adapter->hw.mac_type < e1000_82543) ?         \
 729                                 E1000_82542_##R : E1000_##R;                   \
 730                         return 1;                                              \
 731                 }                                                              \
 732         }                                                                      \
 733 }
 734
 735 #define REG_SET_AND_CHECK(R, M, W)                                             \
 736 {                                                                              \
 737         uint32_t value;                                                        \
 738         E1000_WRITE_REG(&adapter->hw, R, W & M);                               \
 739         value = E1000_READ_REG(&adapter->hw, R);                               \
 740         if ((W & M) != (value & M)) {                                          \
 741                 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
 742                         "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
 743                 *data = (adapter->hw.mac_type < e1000_82543) ?                 \
 744                         E1000_82542_##R : E1000_##R;                           \
 745                 return 1;                                                      \
 746         }                                                                      \
 747 }
 748
 749 static int
 750 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
 751 {
 752         uint32_t value, before, after;
 753         uint32_t i, toggle;
 754
 755         /* The status register is Read Only, so a write should fail.
 756          * Some bits that get toggled are ignored.
 757          */
 758         switch (adapter->hw.mac_type) {
 759         /* there are several bits on newer hardware that are r/w */
 760         case e1000_82571:
 761         case e1000_82572:
 762                 toggle = 0x7FFFF3FF;
 763                 break;
 764         case e1000_82573:
 765                 toggle = 0x7FFFF033;
 766                 break;
 767         default:
 768                 toggle = 0xFFFFF833;
 769                 break;
 770         }
 771
 772         before = E1000_READ_REG(&adapter->hw, STATUS);
 773         value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
 774         E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
 775         after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
 776         if (value != after) {
 777                 DPRINTK(DRV, ERR, "failed STATUS register test got: "
 778                         "0x%08X expected: 0x%08X\n", after, value);
 779                 *data = 1;
 780                 return 1;
 781         }
 782         /* restore previous status */
 783         E1000_WRITE_REG(&adapter->hw, STATUS, before);
 784
 785         REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 786         REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 787         REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 788         REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 789         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 790         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 791         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 792         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 793         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 794         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 795         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 796         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 797         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 798         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 799
 800         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 801         REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
 802         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 803
 804         if (adapter->hw.mac_type >= e1000_82543) {
 805
 806                 REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF);
 807                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 808                 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 809                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 810                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 811
 812                 for (i = 0; i < E1000_RAR_ENTRIES; i++) {
 813                         REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
 814                                          0xFFFFFFFF);
 815                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 816                                          0xFFFFFFFF);
 817                 }
 818
 819         } else {
 820
 821                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 822                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 823                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 824                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 825
 826         }
 827
 828         for (i = 0; i < E1000_MC_TBL_SIZE; i++)
 829                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 830
 831         *data = 0;
 832         return 0;
 833 }
 834
 835 static int
 836 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
 837 {
 838         uint16_t temp;
 839         uint16_t checksum = 0;
 840         uint16_t i;
 841
 842         *data = 0;
 843         /* Read and add up the contents of the EEPROM */
 844         for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 845                 if ((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
 846                         *data = 1;
 847                         break;
 848                 }
 849                 checksum += temp;
 850         }
 851
 852         /* If Checksum is not Correct return error else test passed */
 853         if ((checksum != (uint16_t) EEPROM_SUM) && !(*data))
 854                 *data = 2;
 855
 856         return *data;
 857 }
 858
 859 static irqreturn_t
 860 e1000_test_intr(int irq,
 861                 void *data,
 862                 struct pt_regs *regs)
 863 {
 864         struct net_device *netdev = (struct net_device *) data;
 865         struct e1000_adapter *adapter = netdev_priv(netdev);
 866
 867         adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
 868
 869         return IRQ_HANDLED;
 870 }
 871
 872 static int
 873 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
 874 {
 875         struct net_device *netdev = adapter->netdev;
 876         uint32_t mask, i=0, shared_int = TRUE;
 877         uint32_t irq = adapter->pdev->irq;
 878
 879         *data = 0;
 880
 881         /* Hook up test interrupt handler just for this test */
 882         if (!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
 883                 shared_int = FALSE;
 884         } else if (request_irq(irq, &e1000_test_intr, SA_SHIRQ,
 885                               netdev->name, netdev)){
 886                 *data = 1;
 887                 return -1;
 888         }
 889
 890         /* Disable all the interrupts */
 891         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 892         msec_delay(10);
 893
 894         /* Test each interrupt */
 895         for (; i < 10; i++) {
 896
 897                 /* Interrupt to test */
 898                 mask = 1 << i;
 899
 900                 if (!shared_int) {
 901                         /* Disable the interrupt to be reported in
 902                          * the cause register and then force the same
 903                          * interrupt and see if one gets posted.  If
 904                          * an interrupt was posted to the bus, the
 905                          * test failed.
 906                          */
 907                         adapter->test_icr = 0;
 908                         E1000_WRITE_REG(&adapter->hw, IMC, mask);
 909                         E1000_WRITE_REG(&adapter->hw, ICS, mask);
 910                         msec_delay(10);
 911
 912                         if (adapter->test_icr & mask) {
 913                                 *data = 3;
 914                                 break;
 915                         }
 916                 }
 917
 918                 /* Enable the interrupt to be reported in
 919                  * the cause register and then force the same
 920                  * interrupt and see if one gets posted.  If
 921                  * an interrupt was not posted to the bus, the
 922                  * test failed.
 923                  */
 924                 adapter->test_icr = 0;
 925                 E1000_WRITE_REG(&adapter->hw, IMS, mask);
 926                 E1000_WRITE_REG(&adapter->hw, ICS, mask);
 927                 msec_delay(10);
 928
 929                 if (!(adapter->test_icr & mask)) {
 930                         *data = 4;
 931                         break;
 932                 }
 933
 934                 if (!shared_int) {
 935                         /* Disable the other interrupts to be reported in
 936                          * the cause register and then force the other
 937                          * interrupts and see if any get posted.  If
 938                          * an interrupt was posted to the bus, the
 939                          * test failed.
 940                          */
 941                         adapter->test_icr = 0;
 942                         E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
 943                         E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
 944                         msec_delay(10);
 945
 946                         if (adapter->test_icr) {
 947                                 *data = 5;
 948                                 break;
 949                         }
 950                 }
 951         }
 952
 953         /* Disable all the interrupts */
 954         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 955         msec_delay(10);
 956
 957         /* Unhook test interrupt handler */
 958         free_irq(irq, netdev);
 959
 960         return *data;
 961 }
 962
 963 static void
 964 e1000_free_desc_rings(struct e1000_adapter *adapter)
 965 {
 966         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 967         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 968         struct pci_dev *pdev = adapter->pdev;
 969         int i;
 970
 971         if (txdr->desc && txdr->buffer_info) {
 972                 for (i = 0; i < txdr->count; i++) {
 973                         if (txdr->buffer_info[i].dma)
 974                                 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
 975                                                  txdr->buffer_info[i].length,
 976                                                  PCI_DMA_TODEVICE);
 977                         if (txdr->buffer_info[i].skb)
 978                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 979                 }
 980         }
 981
 982         if (rxdr->desc && rxdr->buffer_info) {
 983                 for (i = 0; i < rxdr->count; i++) {
 984                         if (rxdr->buffer_info[i].dma)
 985                                 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
 986                                                  rxdr->buffer_info[i].length,
 987                                                  PCI_DMA_FROMDEVICE);
 988                         if (rxdr->buffer_info[i].skb)
 989                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
 990                 }
 991         }
 992
 993         if (txdr->desc) {
 994                 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
 995                 txdr->desc = NULL;
 996         }
 997         if (rxdr->desc) {
 998                 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
 999                 rxdr->desc = NULL;
1000         }
1001
1002         kfree(txdr->buffer_info);
1003         txdr->buffer_info = NULL;
1004         kfree(rxdr->buffer_info);
1005         rxdr->buffer_info = NULL;
1006
1007         return;
1008 }
1009
1010 static int
1011 e1000_setup_desc_rings(struct e1000_adapter *adapter)
1012 {
1013         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1014         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1015         struct pci_dev *pdev = adapter->pdev;
1016         uint32_t rctl;
1017         int size, i, ret_val;
1018
1019         /* Setup Tx descriptor ring and Tx buffers */
1020
1021         if (!txdr->count)
1022                 txdr->count = E1000_DEFAULT_TXD;
1023
1024         size = txdr->count * sizeof(struct e1000_buffer);
1025         if (!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1026                 ret_val = 1;
1027                 goto err_nomem;
1028         }
1029         memset(txdr->buffer_info, 0, size);
1030
1031         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1032         E1000_ROUNDUP(txdr->size, 4096);
1033         if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
1034                 ret_val = 2;
1035                 goto err_nomem;
1036         }
1037         memset(txdr->desc, 0, txdr->size);
1038         txdr->next_to_use = txdr->next_to_clean = 0;
1039
1040         E1000_WRITE_REG(&adapter->hw, TDBAL,
1041                         ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
1042         E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
1043         E1000_WRITE_REG(&adapter->hw, TDLEN,
1044                         txdr->count * sizeof(struct e1000_tx_desc));
1045         E1000_WRITE_REG(&adapter->hw, TDH, 0);
1046         E1000_WRITE_REG(&adapter->hw, TDT, 0);
1047         E1000_WRITE_REG(&adapter->hw, TCTL,
1048                         E1000_TCTL_PSP | E1000_TCTL_EN |
1049                         E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1050                         E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1051
1052         for (i = 0; i < txdr->count; i++) {
1053                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1054                 struct sk_buff *skb;
1055                 unsigned int size = 1024;
1056
1057                 if (!(skb = alloc_skb(size, GFP_KERNEL))) {
1058                         ret_val = 3;
1059                         goto err_nomem;
1060                 }
1061                 skb_put(skb, size);
1062                 txdr->buffer_info[i].skb = skb;
1063                 txdr->buffer_info[i].length = skb->len;
1064                 txdr->buffer_info[i].dma =
1065                         pci_map_single(pdev, skb->data, skb->len,
1066                                        PCI_DMA_TODEVICE);
1067                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1068                 tx_desc->lower.data = cpu_to_le32(skb->len);
1069                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1070                                                    E1000_TXD_CMD_IFCS |
1071                                                    E1000_TXD_CMD_RPS);
1072                 tx_desc->upper.data = 0;
1073         }
1074
1075         /* Setup Rx descriptor ring and Rx buffers */
1076
1077         if (!rxdr->count)
1078                 rxdr->count = E1000_DEFAULT_RXD;
1079
1080         size = rxdr->count * sizeof(struct e1000_buffer);
1081         if (!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1082                 ret_val = 4;
1083                 goto err_nomem;
1084         }
1085         memset(rxdr->buffer_info, 0, size);
1086
1087         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1088         if (!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
1089                 ret_val = 5;
1090                 goto err_nomem;
1091         }
1092         memset(rxdr->desc, 0, rxdr->size);
1093         rxdr->next_to_use = rxdr->next_to_clean = 0;
1094
1095         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1096         E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
1097         E1000_WRITE_REG(&adapter->hw, RDBAL,
1098                         ((uint64_t) rxdr->dma & 0xFFFFFFFF));
1099         E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
1100         E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1101         E1000_WRITE_REG(&adapter->hw, RDH, 0);
1102         E1000_WRITE_REG(&adapter->hw, RDT, 0);
1103         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1104                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1105                 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1106         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1107
1108         for (i = 0; i < rxdr->count; i++) {
1109                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1110                 struct sk_buff *skb;
1111
1112                 if (!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1113                                 GFP_KERNEL))) {
1114                         ret_val = 6;
1115                         goto err_nomem;
1116                 }
1117                 skb_reserve(skb, NET_IP_ALIGN);
1118                 rxdr->buffer_info[i].skb = skb;
1119                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1120                 rxdr->buffer_info[i].dma =
1121                         pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1122                                        PCI_DMA_FROMDEVICE);
1123                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1124                 memset(skb->data, 0x00, skb->len);
1125         }
1126
1127         return 0;
1128
1129 err_nomem:
1130         e1000_free_desc_rings(adapter);
1131         return ret_val;
1132 }
1133
1134 static void
1135 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1136 {
1137         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1138         e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1139         e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1140         e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1141         e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1142 }
1143
1144 static void
1145 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1146 {
1147         uint16_t phy_reg;
1148
1149         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1150          * Extended PHY Specific Control Register to 25MHz clock.  This
1151          * value defaults back to a 2.5MHz clock when the PHY is reset.
1152          */
1153         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1154         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1155         e1000_write_phy_reg(&adapter->hw,
1156                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1157
1158         /* In addition, because of the s/w reset above, we need to enable
1159          * CRS on TX.  This must be set for both full and half duplex
1160          * operation.
1161          */
1162         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1163         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1164         e1000_write_phy_reg(&adapter->hw,
1165                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1166 }
1167
1168 static int
1169 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1170 {
1171         uint32_t ctrl_reg;
1172         uint16_t phy_reg;
1173
1174         /* Setup the Device Control Register for PHY loopback test. */
1175
1176         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1177         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1178                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1179                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1180                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1181                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1182
1183         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1184
1185         /* Read the PHY Specific Control Register (0x10) */
1186         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1187
1188         /* Clear Auto-Crossover bits in PHY Specific Control Register
1189          * (bits 6:5).
1190          */
1191         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1192         e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1193
1194         /* Perform software reset on the PHY */
1195         e1000_phy_reset(&adapter->hw);
1196
1197         /* Have to setup TX_CLK and TX_CRS after software reset */
1198         e1000_phy_reset_clk_and_crs(adapter);
1199
1200         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1201
1202         /* Wait for reset to complete. */
1203         udelay(500);
1204
1205         /* Have to setup TX_CLK and TX_CRS after software reset */
1206         e1000_phy_reset_clk_and_crs(adapter);
1207
1208         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1209         e1000_phy_disable_receiver(adapter);
1210
1211         /* Set the loopback bit in the PHY control register. */
1212         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1213         phy_reg |= MII_CR_LOOPBACK;
1214         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1215
1216         /* Setup TX_CLK and TX_CRS one more time. */
1217         e1000_phy_reset_clk_and_crs(adapter);
1218
1219         /* Check Phy Configuration */
1220         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1221         if (phy_reg != 0x4100)
1222                  return 9;
1223
1224         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1225         if (phy_reg != 0x0070)
1226                 return 10;
1227
1228         e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1229         if (phy_reg != 0x001A)
1230                 return 11;
1231
1232         return 0;
1233 }
1234
1235 static int
1236 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1237 {
1238         uint32_t ctrl_reg = 0;
1239         uint32_t stat_reg = 0;
1240
1241         adapter->hw.autoneg = FALSE;
1242
1243         if (adapter->hw.phy_type == e1000_phy_m88) {
1244                 /* Auto-MDI/MDIX Off */
1245                 e1000_write_phy_reg(&adapter->hw,
1246                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1247                 /* reset to update Auto-MDI/MDIX */
1248                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1249                 /* autoneg off */
1250                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1251         }
1252         /* force 1000, set loopback */
1253         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1254
1255         /* Now set up the MAC to the same speed/duplex as the PHY. */
1256         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1257         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1258         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1259                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1260                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1261                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1262
1263         if (adapter->hw.media_type == e1000_media_type_copper &&
1264            adapter->hw.phy_type == e1000_phy_m88) {
1265                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1266         } else {
1267                 /* Set the ILOS bit on the fiber Nic is half
1268                  * duplex link is detected. */
1269                 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1270                 if ((stat_reg & E1000_STATUS_FD) == 0)
1271                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1272         }
1273
1274         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1275
1276         /* Disable the receiver on the PHY so when a cable is plugged in, the
1277          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1278          */
1279         if (adapter->hw.phy_type == e1000_phy_m88)
1280                 e1000_phy_disable_receiver(adapter);
1281
1282         udelay(500);
1283
1284         return 0;
1285 }
1286
1287 static int
1288 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1289 {
1290         uint16_t phy_reg = 0;
1291         uint16_t count = 0;
1292
1293         switch (adapter->hw.mac_type) {
1294         case e1000_82543:
1295                 if (adapter->hw.media_type == e1000_media_type_copper) {
1296                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1297                          * Some PHY registers get corrupted at random, so
1298                          * attempt this 10 times.
1299                          */
1300                         while (e1000_nonintegrated_phy_loopback(adapter) &&
1301                               count++ < 10);
1302                         if (count < 11)
1303                                 return 0;
1304                 }
1305                 break;
1306
1307         case e1000_82544:
1308         case e1000_82540:
1309         case e1000_82545:
1310         case e1000_82545_rev_3:
1311         case e1000_82546:
1312         case e1000_82546_rev_3:
1313         case e1000_82541:
1314         case e1000_82541_rev_2:
1315         case e1000_82547:
1316         case e1000_82547_rev_2:
1317         case e1000_82571:
1318         case e1000_82572:
1319         case e1000_82573:
1320                 return e1000_integrated_phy_loopback(adapter);
1321                 break;
1322
1323         default:
1324                 /* Default PHY loopback work is to read the MII
1325                  * control register and assert bit 14 (loopback mode).
1326                  */
1327                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1328                 phy_reg |= MII_CR_LOOPBACK;
1329                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1330                 return 0;
1331                 break;
1332         }
1333
1334         return 8;
1335 }
1336
1337 static int
1338 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1339 {
1340         struct e1000_hw *hw = &adapter->hw;
1341         uint32_t rctl;
1342
1343         if (hw->media_type == e1000_media_type_fiber ||
1344             hw->media_type == e1000_media_type_internal_serdes) {
1345                 switch (hw->mac_type) {
1346                 case e1000_82545:
1347                 case e1000_82546:
1348                 case e1000_82545_rev_3:
1349                 case e1000_82546_rev_3:
1350                         return e1000_set_phy_loopback(adapter);
1351                         break;
1352                 case e1000_82571:
1353                 case e1000_82572:
1354 #define E1000_SERDES_LB_ON 0x410
1355                         e1000_set_phy_loopback(adapter);
1356                         E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON);
1357                         msec_delay(10);
1358                         return 0;
1359                         break;
1360                 default:
1361                         rctl = E1000_READ_REG(hw, RCTL);
1362                         rctl |= E1000_RCTL_LBM_TCVR;
1363                         E1000_WRITE_REG(hw, RCTL, rctl);
1364                         return 0;
1365                 }
1366         } else if (hw->media_type == e1000_media_type_copper)
1367                 return e1000_set_phy_loopback(adapter);
1368
1369         return 7;
1370 }
1371
1372 static void
1373 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1374 {
1375         struct e1000_hw *hw = &adapter->hw;
1376         uint32_t rctl;
1377         uint16_t phy_reg;
1378
1379         rctl = E1000_READ_REG(hw, RCTL);
1380         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1381         E1000_WRITE_REG(hw, RCTL, rctl);
1382
1383         switch (hw->mac_type) {
1384         case e1000_82571:
1385         case e1000_82572:
1386                 if (hw->media_type == e1000_media_type_fiber ||
1387                     hw->media_type == e1000_media_type_internal_serdes) {
1388 #define E1000_SERDES_LB_OFF 0x400
1389                         E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF);
1390                         msec_delay(10);
1391                         break;
1392                 }
1393                 /* Fall Through */
1394         case e1000_82545:
1395         case e1000_82546:
1396         case e1000_82545_rev_3:
1397         case e1000_82546_rev_3:
1398         default:
1399                 hw->autoneg = TRUE;
1400                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1401                 if (phy_reg & MII_CR_LOOPBACK) {
1402                         phy_reg &= ~MII_CR_LOOPBACK;
1403                         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1404                         e1000_phy_reset(hw);
1405                 }
1406                 break;
1407         }
1408 }
1409
1410 static void
1411 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1412 {
1413         memset(skb->data, 0xFF, frame_size);
1414         frame_size &= ~1;
1415         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1416         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1417         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1418 }
1419
1420 static int
1421 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1422 {
1423         frame_size &= ~1;
1424         if (*(skb->data + 3) == 0xFF) {
1425                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1426                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1427                         return 0;
1428                 }
1429         }
1430         return 13;
1431 }
1432
1433 static int
1434 e1000_run_loopback_test(struct e1000_adapter *adapter)
1435 {
1436         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1437         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1438         struct pci_dev *pdev = adapter->pdev;
1439         int i, j, k, l, lc, good_cnt, ret_val=0;
1440         unsigned long time;
1441
1442         E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1443
1444         /* Calculate the loop count based on the largest descriptor ring
1445          * The idea is to wrap the largest ring a number of times using 64
1446          * send/receive pairs during each loop
1447          */
1448
1449         if (rxdr->count <= txdr->count)
1450                 lc = ((txdr->count / 64) * 2) + 1;
1451         else
1452                 lc = ((rxdr->count / 64) * 2) + 1;
1453
1454         k = l = 0;
1455         for (j = 0; j <= lc; j++) { /* loop count loop */
1456                 for (i = 0; i < 64; i++) { /* send the packets */
1457                         e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1458                                         1024);
1459                         pci_dma_sync_single_for_device(pdev,
1460                                         txdr->buffer_info[k].dma,
1461                                         txdr->buffer_info[k].length,
1462                                         PCI_DMA_TODEVICE);
1463                         if (unlikely(++k == txdr->count)) k = 0;
1464                 }
1465                 E1000_WRITE_REG(&adapter->hw, TDT, k);
1466                 msec_delay(200);
1467                 time = jiffies; /* set the start time for the receive */
1468                 good_cnt = 0;
1469                 do { /* receive the sent packets */
1470                         pci_dma_sync_single_for_cpu(pdev,
1471                                         rxdr->buffer_info[l].dma,
1472                                         rxdr->buffer_info[l].length,
1473                                         PCI_DMA_FROMDEVICE);
1474
1475                         ret_val = e1000_check_lbtest_frame(
1476                                         rxdr->buffer_info[l].skb,
1477                                         1024);
1478                         if (!ret_val)
1479                                 good_cnt++;
1480                         if (unlikely(++l == rxdr->count)) l = 0;
1481                         /* time + 20 msecs (200 msecs on 2.4) is more than
1482                          * enough time to complete the receives, if it's
1483                          * exceeded, break and error off
1484                          */
1485                 } while (good_cnt < 64 && jiffies < (time + 20));
1486                 if (good_cnt != 64) {
1487                         ret_val = 13; /* ret_val is the same as mis-compare */
1488                         break;
1489                 }
1490                 if (jiffies >= (time + 2)) {
1491                         ret_val = 14; /* error code for time out error */
1492                         break;
1493                 }
1494         } /* end loop count loop */
1495         return ret_val;
1496 }
1497
1498 static int
1499 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1500 {
1501         /* PHY loopback cannot be performed if SoL/IDER
1502          * sessions are active */
1503         if (e1000_check_phy_reset_block(&adapter->hw)) {
1504                 DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
1505                         "when SoL/IDER is active.\n");
1506                 *data = 0;
1507                 goto out;
1508         }
1509
1510         if ((*data = e1000_setup_desc_rings(adapter)))
1511                 goto out;
1512         if ((*data = e1000_setup_loopback_test(adapter)))
1513                 goto err_loopback;
1514         *data = e1000_run_loopback_test(adapter);
1515         e1000_loopback_cleanup(adapter);
1516
1517 err_loopback:
1518         e1000_free_desc_rings(adapter);
1519 out:
1520         return *data;
1521 }
1522
1523 static int
1524 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1525 {
1526         *data = 0;
1527         if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1528                 int i = 0;
1529                 adapter->hw.serdes_link_down = TRUE;
1530
1531                 /* On some blade server designs, link establishment
1532                  * could take as long as 2-3 minutes */
1533                 do {
1534                         e1000_check_for_link(&adapter->hw);
1535                         if (adapter->hw.serdes_link_down == FALSE)
1536                                 return *data;
1537                         msec_delay(20);
1538                 } while (i++ < 3750);
1539
1540                 *data = 1;
1541         } else {
1542                 e1000_check_for_link(&adapter->hw);
1543                 if (adapter->hw.autoneg)  /* if auto_neg is set wait for it */
1544                         msec_delay(4000);
1545
1546                 if (!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1547                         *data = 1;
1548                 }
1549         }
1550         return *data;
1551 }
1552
1553 static int
1554 e1000_diag_test_count(struct net_device *netdev)
1555 {
1556         return E1000_TEST_LEN;
1557 }
1558
1559 static void
1560 e1000_diag_test(struct net_device *netdev,
1561                    struct ethtool_test *eth_test, uint64_t *data)
1562 {
1563         struct e1000_adapter *adapter = netdev_priv(netdev);
1564         boolean_t if_running = netif_running(netdev);
1565
1566         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1567                 /* Offline tests */
1568
1569                 /* save speed, duplex, autoneg settings */
1570                 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1571                 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1572                 uint8_t autoneg = adapter->hw.autoneg;
1573
1574                 /* Link test performed before hardware reset so autoneg doesn't
1575                  * interfere with test result */
1576                 if (e1000_link_test(adapter, &data[4]))
1577                         eth_test->flags |= ETH_TEST_FL_FAILED;
1578
1579                 if (if_running)
1580                         e1000_down(adapter);
1581                 else
1582                         e1000_reset(adapter);
1583
1584                 if (e1000_reg_test(adapter, &data[0]))
1585                         eth_test->flags |= ETH_TEST_FL_FAILED;
1586
1587                 e1000_reset(adapter);
1588                 if (e1000_eeprom_test(adapter, &data[1]))
1589                         eth_test->flags |= ETH_TEST_FL_FAILED;
1590
1591                 e1000_reset(adapter);
1592                 if (e1000_intr_test(adapter, &data[2]))
1593                         eth_test->flags |= ETH_TEST_FL_FAILED;
1594
1595                 e1000_reset(adapter);
1596                 if (e1000_loopback_test(adapter, &data[3]))
1597                         eth_test->flags |= ETH_TEST_FL_FAILED;
1598
1599                 /* restore speed, duplex, autoneg settings */
1600                 adapter->hw.autoneg_advertised = autoneg_advertised;
1601                 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1602                 adapter->hw.autoneg = autoneg;
1603
1604                 e1000_reset(adapter);
1605                 if (if_running)
1606                         e1000_up(adapter);
1607         } else {
1608                 /* Online tests */
1609                 if (e1000_link_test(adapter, &data[4]))
1610                         eth_test->flags |= ETH_TEST_FL_FAILED;
1611
1612                 /* Offline tests aren't run; pass by default */
1613                 data[0] = 0;
1614                 data[1] = 0;
1615                 data[2] = 0;
1616                 data[3] = 0;
1617         }
1618         msleep_interruptible(4 * 1000);
1619 }
1620
1621 static void
1622 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1623 {
1624         struct e1000_adapter *adapter = netdev_priv(netdev);
1625         struct e1000_hw *hw = &adapter->hw;
1626
1627         switch (adapter->hw.device_id) {
1628         case E1000_DEV_ID_82542:
1629         case E1000_DEV_ID_82543GC_FIBER:
1630         case E1000_DEV_ID_82543GC_COPPER:
1631         case E1000_DEV_ID_82544EI_FIBER:
1632         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1633         case E1000_DEV_ID_82545EM_FIBER:
1634         case E1000_DEV_ID_82545EM_COPPER:
1635         case E1000_DEV_ID_82546GB_QUAD_COPPER:
1636                 wol->supported = 0;
1637                 wol->wolopts   = 0;
1638                 return;
1639
1640         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1641                 /* device id 10B5 port-A supports wol */
1642                 if (!adapter->ksp3_port_a) {
1643                         wol->supported = 0;
1644                         return;
1645                 }
1646                 /* KSP3 does not suppport UCAST wake-ups for any interface */
1647                 wol->supported = WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
1648
1649                 if (adapter->wol & E1000_WUFC_EX)
1650                         DPRINTK(DRV, ERR, "Interface does not support "
1651                         "directed (unicast) frame wake-up packets\n");
1652                 wol->wolopts = 0;
1653                 goto do_defaults;
1654
1655         case E1000_DEV_ID_82546EB_FIBER:
1656         case E1000_DEV_ID_82546GB_FIBER:
1657         case E1000_DEV_ID_82571EB_FIBER:
1658                 /* Wake events only supported on port A for dual fiber */
1659                 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1660                         wol->supported = 0;
1661                         wol->wolopts   = 0;
1662                         return;
1663                 }
1664                 /* Fall Through */
1665
1666         default:
1667                 wol->supported = WAKE_UCAST | WAKE_MCAST |
1668                                  WAKE_BCAST | WAKE_MAGIC;
1669                 wol->wolopts = 0;
1670
1671 do_defaults:
1672                 if (adapter->wol & E1000_WUFC_EX)
1673                         wol->wolopts |= WAKE_UCAST;
1674                 if (adapter->wol & E1000_WUFC_MC)
1675                         wol->wolopts |= WAKE_MCAST;
1676                 if (adapter->wol & E1000_WUFC_BC)
1677                         wol->wolopts |= WAKE_BCAST;
1678                 if (adapter->wol & E1000_WUFC_MAG)
1679                         wol->wolopts |= WAKE_MAGIC;
1680                 return;
1681         }
1682 }
1683
1684 static int
1685 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1686 {
1687         struct e1000_adapter *adapter = netdev_priv(netdev);
1688         struct e1000_hw *hw = &adapter->hw;
1689
1690         switch (adapter->hw.device_id) {
1691         case E1000_DEV_ID_82542:
1692         case E1000_DEV_ID_82543GC_FIBER:
1693         case E1000_DEV_ID_82543GC_COPPER:
1694         case E1000_DEV_ID_82544EI_FIBER:
1695         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1696         case E1000_DEV_ID_82546GB_QUAD_COPPER:
1697         case E1000_DEV_ID_82545EM_FIBER:
1698         case E1000_DEV_ID_82545EM_COPPER:
1699                 return wol->wolopts ? -EOPNOTSUPP : 0;
1700
1701         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1702                 /* device id 10B5 port-A supports wol */
1703                 if (!adapter->ksp3_port_a)
1704                         return wol->wolopts ? -EOPNOTSUPP : 0;
1705
1706                 if (wol->wolopts & WAKE_UCAST) {
1707                         DPRINTK(DRV, ERR, "Interface does not support "
1708                         "directed (unicast) frame wake-up packets\n");
1709                         return -EOPNOTSUPP;
1710                 }
1711
1712         case E1000_DEV_ID_82546EB_FIBER:
1713         case E1000_DEV_ID_82546GB_FIBER:
1714         case E1000_DEV_ID_82571EB_FIBER:
1715                 /* Wake events only supported on port A for dual fiber */
1716                 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
1717                         return wol->wolopts ? -EOPNOTSUPP : 0;
1718                 /* Fall Through */
1719
1720         default:
1721                 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1722                         return -EOPNOTSUPP;
1723
1724                 adapter->wol = 0;
1725
1726                 if (wol->wolopts & WAKE_UCAST)
1727                         adapter->wol |= E1000_WUFC_EX;
1728                 if (wol->wolopts & WAKE_MCAST)
1729                         adapter->wol |= E1000_WUFC_MC;
1730                 if (wol->wolopts & WAKE_BCAST)
1731                         adapter->wol |= E1000_WUFC_BC;
1732                 if (wol->wolopts & WAKE_MAGIC)
1733                         adapter->wol |= E1000_WUFC_MAG;
1734         }
1735
1736         return 0;
1737 }
1738
1739 /* toggle LED 4 times per second = 2 "blinks" per second */
1740 #define E1000_ID_INTERVAL       (HZ/4)
1741
1742 /* bit defines for adapter->led_status */
1743 #define E1000_LED_ON            0
1744
1745 static void
1746 e1000_led_blink_callback(unsigned long data)
1747 {
1748         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1749
1750         if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1751                 e1000_led_off(&adapter->hw);
1752         else
1753                 e1000_led_on(&adapter->hw);
1754
1755         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1756 }
1757
1758 static int
1759 e1000_phys_id(struct net_device *netdev, uint32_t data)
1760 {
1761         struct e1000_adapter *adapter = netdev_priv(netdev);
1762
1763         if (!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1764                 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1765
1766         if (adapter->hw.mac_type < e1000_82571) {
1767                 if (!adapter->blink_timer.function) {
1768                         init_timer(&adapter->blink_timer);
1769                         adapter->blink_timer.function = e1000_led_blink_callback;
1770                         adapter->blink_timer.data = (unsigned long) adapter;
1771                 }
1772                 e1000_setup_led(&adapter->hw);
1773                 mod_timer(&adapter->blink_timer, jiffies);
1774                 msleep_interruptible(data * 1000);
1775                 del_timer_sync(&adapter->blink_timer);
1776         } else if (adapter->hw.mac_type < e1000_82573) {
1777                 E1000_WRITE_REG(&adapter->hw, LEDCTL,
1778                         (E1000_LEDCTL_LED2_BLINK_RATE |
1779                          E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
1780                          (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1781                          (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
1782                          (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
1783                 msleep_interruptible(data * 1000);
1784         } else {
1785                 E1000_WRITE_REG(&adapter->hw, LEDCTL,
1786                         (E1000_LEDCTL_LED2_BLINK_RATE |
1787                          E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
1788                          (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1789                          (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
1790                          (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
1791                 msleep_interruptible(data * 1000);
1792         }
1793
1794         e1000_led_off(&adapter->hw);
1795         clear_bit(E1000_LED_ON, &adapter->led_status);
1796         e1000_cleanup_led(&adapter->hw);
1797
1798         return 0;
1799 }
1800
1801 static int
1802 e1000_nway_reset(struct net_device *netdev)
1803 {
1804         struct e1000_adapter *adapter = netdev_priv(netdev);
1805         if (netif_running(netdev)) {
1806                 e1000_down(adapter);
1807                 e1000_up(adapter);
1808         }
1809         return 0;
1810 }
1811
1812 static int
1813 e1000_get_stats_count(struct net_device *netdev)
1814 {
1815         return E1000_STATS_LEN;
1816 }
1817
1818 static void
1819 e1000_get_ethtool_stats(struct net_device *netdev,
1820                 struct ethtool_stats *stats, uint64_t *data)
1821 {
1822         struct e1000_adapter *adapter = netdev_priv(netdev);
1823         int i;
1824
1825         e1000_update_stats(adapter);
1826         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1827                 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1828                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1829                         sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1830         }
1831 /*      BUG_ON(i != E1000_STATS_LEN); */
1832 }
1833
1834 static void
1835 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1836 {
1837         uint8_t *p = data;
1838         int i;
1839
1840         switch (stringset) {
1841         case ETH_SS_TEST:
1842                 memcpy(data, *e1000_gstrings_test,
1843                         E1000_TEST_LEN*ETH_GSTRING_LEN);
1844                 break;
1845         case ETH_SS_STATS:
1846                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1847                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1848                                ETH_GSTRING_LEN);
1849                         p += ETH_GSTRING_LEN;
1850                 }
1851 /*              BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1852                 break;
1853         }
1854 }
1855
1856 static struct ethtool_ops e1000_ethtool_ops = {
1857         .get_settings           = e1000_get_settings,
1858         .set_settings           = e1000_set_settings,
1859         .get_drvinfo            = e1000_get_drvinfo,
1860         .get_regs_len           = e1000_get_regs_len,
1861         .get_regs               = e1000_get_regs,
1862         .get_wol                = e1000_get_wol,
1863         .set_wol                = e1000_set_wol,
1864         .get_msglevel           = e1000_get_msglevel,
1865         .set_msglevel           = e1000_set_msglevel,
1866         .nway_reset             = e1000_nway_reset,
1867         .get_link               = ethtool_op_get_link,
1868         .get_eeprom_len         = e1000_get_eeprom_len,
1869         .get_eeprom             = e1000_get_eeprom,
1870         .set_eeprom             = e1000_set_eeprom,
1871         .get_ringparam          = e1000_get_ringparam,
1872         .set_ringparam          = e1000_set_ringparam,
1873         .get_pauseparam         = e1000_get_pauseparam,
1874         .set_pauseparam         = e1000_set_pauseparam,
1875         .get_rx_csum            = e1000_get_rx_csum,
1876         .set_rx_csum            = e1000_set_rx_csum,
1877         .get_tx_csum            = e1000_get_tx_csum,
1878         .set_tx_csum            = e1000_set_tx_csum,
1879         .get_sg                 = ethtool_op_get_sg,
1880         .set_sg                 = ethtool_op_set_sg,
1881 #ifdef NETIF_F_TSO
1882         .get_tso                = ethtool_op_get_tso,
1883         .set_tso                = e1000_set_tso,
1884 #endif
1885         .self_test_count        = e1000_diag_test_count,
1886         .self_test              = e1000_diag_test,
1887         .get_strings            = e1000_get_strings,
1888         .phys_id                = e1000_phys_id,
1889         .get_stats_count        = e1000_get_stats_count,
1890         .get_ethtool_stats      = e1000_get_ethtool_stats,
1891         .get_perm_addr          = ethtool_op_get_perm_addr,
1892 };
1893
1894 void e1000_set_ethtool_ops(struct net_device *netdev)
1895 {
1896         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1897 }