err.no Git - linux-2.6/blob - drivers/net/e1000/e1000_ethtool.c

   1 /*******************************************************************************
   2
   3
   4   Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU General Public License as published by the Free
   8   Software Foundation; either version 2 of the License, or (at your option)
   9   any later version.
  10
  11   This program is distributed in the hope that it will be useful, but WITHOUT
  12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14   more details.
  15
  16   You should have received a copy of the GNU General Public License along with
  17   this program; if not, write to the Free Software Foundation, Inc., 59
  18   Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20   The full GNU General Public License is included in this distribution in the
  21   file called LICENSE.
  22
  23   Contact Information:
  24   Linux NICS <linux.nics@intel.com>
  25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 /* ethtool support for e1000 */
  30
  31 #include "e1000.h"
  32
  33 #include <asm/uaccess.h>
  34
  35 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         { "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_no_buffer_count", E1000_STAT(stats.rnbc) },
  73         { "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) },
  74         { "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) },
  75         { "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) },
  76         { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
  77         { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
  78         { "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) },
  79         { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
  80         { "tx_deferred_ok", E1000_STAT(stats.dc) },
  81         { "tx_single_coll_ok", E1000_STAT(stats.scc) },
  82         { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
  83         { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
  84         { "rx_long_length_errors", E1000_STAT(stats.roc) },
  85         { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  86         { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  87         { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  88         { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  89         { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  90         { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  91         { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  92         { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  93         { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
  94         { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  95         { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
  96         { "rx_header_split", E1000_STAT(rx_hdr_split) },
  97         { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
  98 };
  99
 100 #ifdef CONFIG_E1000_MQ
 101 #define E1000_QUEUE_STATS_LEN \
 102         (((struct e1000_adapter *)netdev->priv)->num_tx_queues + \
 103          ((struct e1000_adapter *)netdev->priv)->num_rx_queues) \
 104         * (sizeof(struct e1000_queue_stats) / sizeof(uint64_t))
 105 #else
 106 #define E1000_QUEUE_STATS_LEN 0
 107 #endif
 108 #define E1000_GLOBAL_STATS_LEN  \
 109         sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
 110 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
 111 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 112         "Register test  (offline)", "Eeprom test    (offline)",
 113         "Interrupt test (offline)", "Loopback test  (offline)",
 114         "Link test   (on/offline)"
 115 };
 116 #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
 117
 118 static int
 119 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 120 {
 121         struct e1000_adapter *adapter = netdev_priv(netdev);
 122         struct e1000_hw *hw = &adapter->hw;
 123
 124         if(hw->media_type == e1000_media_type_copper) {
 125
 126                 ecmd->supported = (SUPPORTED_10baseT_Half |
 127                                    SUPPORTED_10baseT_Full |
 128                                    SUPPORTED_100baseT_Half |
 129                                    SUPPORTED_100baseT_Full |
 130                                    SUPPORTED_1000baseT_Full|
 131                                    SUPPORTED_Autoneg |
 132                                    SUPPORTED_TP);
 133
 134                 ecmd->advertising = ADVERTISED_TP;
 135
 136                 if(hw->autoneg == 1) {
 137                         ecmd->advertising |= ADVERTISED_Autoneg;
 138
 139                         /* the e1000 autoneg seems to match ethtool nicely */
 140
 141                         ecmd->advertising |= hw->autoneg_advertised;
 142                 }
 143
 144                 ecmd->port = PORT_TP;
 145                 ecmd->phy_address = hw->phy_addr;
 146
 147                 if(hw->mac_type == e1000_82543)
 148                         ecmd->transceiver = XCVR_EXTERNAL;
 149                 else
 150                         ecmd->transceiver = XCVR_INTERNAL;
 151
 152         } else {
 153                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 154                                      SUPPORTED_FIBRE |
 155                                      SUPPORTED_Autoneg);
 156
 157                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 158                                      ADVERTISED_FIBRE |
 159                                      ADVERTISED_Autoneg);
 160
 161                 ecmd->port = PORT_FIBRE;
 162
 163                 if(hw->mac_type >= e1000_82545)
 164                         ecmd->transceiver = XCVR_INTERNAL;
 165                 else
 166                         ecmd->transceiver = XCVR_EXTERNAL;
 167         }
 168
 169         if(netif_carrier_ok(adapter->netdev)) {
 170
 171                 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
 172                                                    &adapter->link_duplex);
 173                 ecmd->speed = adapter->link_speed;
 174
 175                 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
 176                  *          and HALF_DUPLEX != DUPLEX_HALF */
 177
 178                 if(adapter->link_duplex == FULL_DUPLEX)
 179                         ecmd->duplex = DUPLEX_FULL;
 180                 else
 181                         ecmd->duplex = DUPLEX_HALF;
 182         } else {
 183                 ecmd->speed = -1;
 184                 ecmd->duplex = -1;
 185         }
 186
 187         ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
 188                          hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 189         return 0;
 190 }
 191
 192 static int
 193 e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 194 {
 195         struct e1000_adapter *adapter = netdev_priv(netdev);
 196         struct e1000_hw *hw = &adapter->hw;
 197
 198         /* When SoL/IDER sessions are active, autoneg/speed/duplex
 199          * cannot be changed */
 200         if (e1000_check_phy_reset_block(hw)) {
 201                 DPRINTK(DRV, ERR, "Cannot change link characteristics "
 202                         "when SoL/IDER is active.\n");
 203                 return -EINVAL;
 204         }
 205
 206         if (ecmd->autoneg == AUTONEG_ENABLE) {
 207                 hw->autoneg = 1;
 208                 if(hw->media_type == e1000_media_type_fiber)
 209                         hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
 210                                      ADVERTISED_FIBRE |
 211                                      ADVERTISED_Autoneg;
 212                 else
 213                         hw->autoneg_advertised = ADVERTISED_10baseT_Half |
 214                                                   ADVERTISED_10baseT_Full |
 215                                                   ADVERTISED_100baseT_Half |
 216                                                   ADVERTISED_100baseT_Full |
 217                                                   ADVERTISED_1000baseT_Full|
 218                                                   ADVERTISED_Autoneg |
 219                                                   ADVERTISED_TP;
 220                 ecmd->advertising = hw->autoneg_advertised;
 221         } else
 222                 if(e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
 223                         return -EINVAL;
 224
 225         /* reset the link */
 226
 227         if(netif_running(adapter->netdev)) {
 228                 e1000_down(adapter);
 229                 e1000_reset(adapter);
 230                 e1000_up(adapter);
 231         } else
 232                 e1000_reset(adapter);
 233
 234         return 0;
 235 }
 236
 237 static void
 238 e1000_get_pauseparam(struct net_device *netdev,
 239                      struct ethtool_pauseparam *pause)
 240 {
 241         struct e1000_adapter *adapter = netdev_priv(netdev);
 242         struct e1000_hw *hw = &adapter->hw;
 243
 244         pause->autoneg =
 245                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 246
 247         if(hw->fc == e1000_fc_rx_pause)
 248                 pause->rx_pause = 1;
 249         else if(hw->fc == e1000_fc_tx_pause)
 250                 pause->tx_pause = 1;
 251         else if(hw->fc == e1000_fc_full) {
 252                 pause->rx_pause = 1;
 253                 pause->tx_pause = 1;
 254         }
 255 }
 256
 257 static int
 258 e1000_set_pauseparam(struct net_device *netdev,
 259                      struct ethtool_pauseparam *pause)
 260 {
 261         struct e1000_adapter *adapter = netdev_priv(netdev);
 262         struct e1000_hw *hw = &adapter->hw;
 263
 264         adapter->fc_autoneg = pause->autoneg;
 265
 266         if(pause->rx_pause && pause->tx_pause)
 267                 hw->fc = e1000_fc_full;
 268         else if(pause->rx_pause && !pause->tx_pause)
 269                 hw->fc = e1000_fc_rx_pause;
 270         else if(!pause->rx_pause && pause->tx_pause)
 271                 hw->fc = e1000_fc_tx_pause;
 272         else if(!pause->rx_pause && !pause->tx_pause)
 273                 hw->fc = e1000_fc_none;
 274
 275         hw->original_fc = hw->fc;
 276
 277         if(adapter->fc_autoneg == AUTONEG_ENABLE) {
 278                 if(netif_running(adapter->netdev)) {
 279                         e1000_down(adapter);
 280                         e1000_up(adapter);
 281                 } else
 282                         e1000_reset(adapter);
 283         }
 284         else
 285                 return ((hw->media_type == e1000_media_type_fiber) ?
 286                         e1000_setup_link(hw) : e1000_force_mac_fc(hw));
 287
 288         return 0;
 289 }
 290
 291 static uint32_t
 292 e1000_get_rx_csum(struct net_device *netdev)
 293 {
 294         struct e1000_adapter *adapter = netdev_priv(netdev);
 295         return adapter->rx_csum;
 296 }
 297
 298 static int
 299 e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
 300 {
 301         struct e1000_adapter *adapter = netdev_priv(netdev);
 302         adapter->rx_csum = data;
 303
 304         if(netif_running(netdev)) {
 305                 e1000_down(adapter);
 306                 e1000_up(adapter);
 307         } else
 308                 e1000_reset(adapter);
 309         return 0;
 310 }
 311
 312 static uint32_t
 313 e1000_get_tx_csum(struct net_device *netdev)
 314 {
 315         return (netdev->features & NETIF_F_HW_CSUM) != 0;
 316 }
 317
 318 static int
 319 e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
 320 {
 321         struct e1000_adapter *adapter = netdev_priv(netdev);
 322
 323         if(adapter->hw.mac_type < e1000_82543) {
 324                 if (!data)
 325                         return -EINVAL;
 326                 return 0;
 327         }
 328
 329         if (data)
 330                 netdev->features |= NETIF_F_HW_CSUM;
 331         else
 332                 netdev->features &= ~NETIF_F_HW_CSUM;
 333
 334         return 0;
 335 }
 336
 337 #ifdef NETIF_F_TSO
 338 static int
 339 e1000_set_tso(struct net_device *netdev, uint32_t data)
 340 {
 341         struct e1000_adapter *adapter = netdev_priv(netdev);
 342         if((adapter->hw.mac_type < e1000_82544) ||
 343             (adapter->hw.mac_type == e1000_82547))
 344                 return data ? -EINVAL : 0;
 345
 346         if (data)
 347                 netdev->features |= NETIF_F_TSO;
 348         else
 349                 netdev->features &= ~NETIF_F_TSO;
 350         return 0;
 351 }
 352 #endif /* NETIF_F_TSO */
 353
 354 static uint32_t
 355 e1000_get_msglevel(struct net_device *netdev)
 356 {
 357         struct e1000_adapter *adapter = netdev_priv(netdev);
 358         return adapter->msg_enable;
 359 }
 360
 361 static void
 362 e1000_set_msglevel(struct net_device *netdev, uint32_t data)
 363 {
 364         struct e1000_adapter *adapter = netdev_priv(netdev);
 365         adapter->msg_enable = data;
 366 }
 367
 368 static int
 369 e1000_get_regs_len(struct net_device *netdev)
 370 {
 371 #define E1000_REGS_LEN 32
 372         return E1000_REGS_LEN * sizeof(uint32_t);
 373 }
 374
 375 static void
 376 e1000_get_regs(struct net_device *netdev,
 377                struct ethtool_regs *regs, void *p)
 378 {
 379         struct e1000_adapter *adapter = netdev_priv(netdev);
 380         struct e1000_hw *hw = &adapter->hw;
 381         uint32_t *regs_buff = p;
 382         uint16_t phy_data;
 383
 384         memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));
 385
 386         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 387
 388         regs_buff[0]  = E1000_READ_REG(hw, CTRL);
 389         regs_buff[1]  = E1000_READ_REG(hw, STATUS);
 390
 391         regs_buff[2]  = E1000_READ_REG(hw, RCTL);
 392         regs_buff[3]  = E1000_READ_REG(hw, RDLEN);
 393         regs_buff[4]  = E1000_READ_REG(hw, RDH);
 394         regs_buff[5]  = E1000_READ_REG(hw, RDT);
 395         regs_buff[6]  = E1000_READ_REG(hw, RDTR);
 396
 397         regs_buff[7]  = E1000_READ_REG(hw, TCTL);
 398         regs_buff[8]  = E1000_READ_REG(hw, TDLEN);
 399         regs_buff[9]  = E1000_READ_REG(hw, TDH);
 400         regs_buff[10] = E1000_READ_REG(hw, TDT);
 401         regs_buff[11] = E1000_READ_REG(hw, TIDV);
 402
 403         regs_buff[12] = adapter->hw.phy_type;  /* PHY type (IGP=1, M88=0) */
 404         if(hw->phy_type == e1000_phy_igp) {
 405                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 406                                     IGP01E1000_PHY_AGC_A);
 407                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
 408                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 409                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 410                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 411                                     IGP01E1000_PHY_AGC_B);
 412                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
 413                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 414                 regs_buff[14] = (uint32_t)phy_data; /* cable length */
 415                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 416                                     IGP01E1000_PHY_AGC_C);
 417                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
 418                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 419                 regs_buff[15] = (uint32_t)phy_data; /* cable length */
 420                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 421                                     IGP01E1000_PHY_AGC_D);
 422                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
 423                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 424                 regs_buff[16] = (uint32_t)phy_data; /* cable length */
 425                 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
 426                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 427                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
 428                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 429                 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
 430                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 431                                     IGP01E1000_PHY_PCS_INIT_REG);
 432                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
 433                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 434                 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
 435                 regs_buff[20] = 0; /* polarity correction enabled (always) */
 436                 regs_buff[22] = 0; /* phy receive errors (unavailable) */
 437                 regs_buff[23] = regs_buff[18]; /* mdix mode */
 438                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 439         } else {
 440                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 441                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 442                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 443                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 444                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 445                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 446                 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
 447                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 448                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 449                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 450                 /* phy receive errors */
 451                 regs_buff[22] = adapter->phy_stats.receive_errors;
 452                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 453         }
 454         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 455         e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
 456         regs_buff[24] = (uint32_t)phy_data;  /* phy local receiver status */
 457         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 458         if(hw->mac_type >= e1000_82540 &&
 459            hw->media_type == e1000_media_type_copper) {
 460                 regs_buff[26] = E1000_READ_REG(hw, MANC);
 461         }
 462 }
 463
 464 static int
 465 e1000_get_eeprom_len(struct net_device *netdev)
 466 {
 467         struct e1000_adapter *adapter = netdev_priv(netdev);
 468         return adapter->hw.eeprom.word_size * 2;
 469 }
 470
 471 static int
 472 e1000_get_eeprom(struct net_device *netdev,
 473                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 474 {
 475         struct e1000_adapter *adapter = netdev_priv(netdev);
 476         struct e1000_hw *hw = &adapter->hw;
 477         uint16_t *eeprom_buff;
 478         int first_word, last_word;
 479         int ret_val = 0;
 480         uint16_t i;
 481
 482         if(eeprom->len == 0)
 483                 return -EINVAL;
 484
 485         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 486
 487         first_word = eeprom->offset >> 1;
 488         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 489
 490         eeprom_buff = kmalloc(sizeof(uint16_t) *
 491                         (last_word - first_word + 1), GFP_KERNEL);
 492         if(!eeprom_buff)
 493                 return -ENOMEM;
 494
 495         if(hw->eeprom.type == e1000_eeprom_spi)
 496                 ret_val = e1000_read_eeprom(hw, first_word,
 497                                             last_word - first_word + 1,
 498                                             eeprom_buff);
 499         else {
 500                 for (i = 0; i < last_word - first_word + 1; i++)
 501                         if((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
 502                                                         &eeprom_buff[i])))
 503                                 break;
 504         }
 505
 506         /* Device's eeprom is always little-endian, word addressable */
 507         for (i = 0; i < last_word - first_word + 1; i++)
 508                 le16_to_cpus(&eeprom_buff[i]);
 509
 510         memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
 511                         eeprom->len);
 512         kfree(eeprom_buff);
 513
 514         return ret_val;
 515 }
 516
 517 static int
 518 e1000_set_eeprom(struct net_device *netdev,
 519                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 520 {
 521         struct e1000_adapter *adapter = netdev_priv(netdev);
 522         struct e1000_hw *hw = &adapter->hw;
 523         uint16_t *eeprom_buff;
 524         void *ptr;
 525         int max_len, first_word, last_word, ret_val = 0;
 526         uint16_t i;
 527
 528         if(eeprom->len == 0)
 529                 return -EOPNOTSUPP;
 530
 531         if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 532                 return -EFAULT;
 533
 534         max_len = hw->eeprom.word_size * 2;
 535
 536         first_word = eeprom->offset >> 1;
 537         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 538         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 539         if(!eeprom_buff)
 540                 return -ENOMEM;
 541
 542         ptr = (void *)eeprom_buff;
 543
 544         if(eeprom->offset & 1) {
 545                 /* need read/modify/write of first changed EEPROM word */
 546                 /* only the second byte of the word is being modified */
 547                 ret_val = e1000_read_eeprom(hw, first_word, 1,
 548                                             &eeprom_buff[0]);
 549                 ptr++;
 550         }
 551         if(((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 552                 /* need read/modify/write of last changed EEPROM word */
 553                 /* only the first byte of the word is being modified */
 554                 ret_val = e1000_read_eeprom(hw, last_word, 1,
 555                                   &eeprom_buff[last_word - first_word]);
 556         }
 557
 558         /* Device's eeprom is always little-endian, word addressable */
 559         for (i = 0; i < last_word - first_word + 1; i++)
 560                 le16_to_cpus(&eeprom_buff[i]);
 561
 562         memcpy(ptr, bytes, eeprom->len);
 563
 564         for (i = 0; i < last_word - first_word + 1; i++)
 565                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 566
 567         ret_val = e1000_write_eeprom(hw, first_word,
 568                                      last_word - first_word + 1, eeprom_buff);
 569
 570         /* Update the checksum over the first part of the EEPROM if needed
 571          * and flush shadow RAM for 82573 conrollers */
 572         if((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) ||
 573                                 (hw->mac_type == e1000_82573)))
 574                 e1000_update_eeprom_checksum(hw);
 575
 576         kfree(eeprom_buff);
 577         return ret_val;
 578 }
 579
 580 static void
 581 e1000_get_drvinfo(struct net_device *netdev,
 582                        struct ethtool_drvinfo *drvinfo)
 583 {
 584         struct e1000_adapter *adapter = netdev_priv(netdev);
 585         char firmware_version[32];
 586         uint16_t eeprom_data;
 587
 588         strncpy(drvinfo->driver,  e1000_driver_name, 32);
 589         strncpy(drvinfo->version, e1000_driver_version, 32);
 590
 591         /* EEPROM image version # is reported as firmware version # for
 592          * 8257{1|2|3} controllers */
 593         e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data);
 594         switch (adapter->hw.mac_type) {
 595         case e1000_82571:
 596         case e1000_82572:
 597         case e1000_82573:
 598                 sprintf(firmware_version, "%d.%d-%d",
 599                         (eeprom_data & 0xF000) >> 12,
 600                         (eeprom_data & 0x0FF0) >> 4,
 601                         eeprom_data & 0x000F);
 602                 break;
 603         default:
 604                 sprintf(firmware_version, "N/A");
 605         }
 606
 607         strncpy(drvinfo->fw_version, firmware_version, 32);
 608         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 609         drvinfo->n_stats = E1000_STATS_LEN;
 610         drvinfo->testinfo_len = E1000_TEST_LEN;
 611         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 612         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 613 }
 614
 615 static void
 616 e1000_get_ringparam(struct net_device *netdev,
 617                     struct ethtool_ringparam *ring)
 618 {
 619         struct e1000_adapter *adapter = netdev_priv(netdev);
 620         e1000_mac_type mac_type = adapter->hw.mac_type;
 621         struct e1000_tx_ring *txdr = adapter->tx_ring;
 622         struct e1000_rx_ring *rxdr = adapter->rx_ring;
 623
 624         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 625                 E1000_MAX_82544_RXD;
 626         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 627                 E1000_MAX_82544_TXD;
 628         ring->rx_mini_max_pending = 0;
 629         ring->rx_jumbo_max_pending = 0;
 630         ring->rx_pending = rxdr->count;
 631         ring->tx_pending = txdr->count;
 632         ring->rx_mini_pending = 0;
 633         ring->rx_jumbo_pending = 0;
 634 }
 635
 636 static int
 637 e1000_set_ringparam(struct net_device *netdev,
 638                     struct ethtool_ringparam *ring)
 639 {
 640         struct e1000_adapter *adapter = netdev_priv(netdev);
 641         e1000_mac_type mac_type = adapter->hw.mac_type;
 642         struct e1000_tx_ring *txdr, *tx_old, *tx_new;
 643         struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
 644         int i, err, tx_ring_size, rx_ring_size;
 645
 646         tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
 647         rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
 648
 649         if (netif_running(adapter->netdev))
 650                 e1000_down(adapter);
 651
 652         tx_old = adapter->tx_ring;
 653         rx_old = adapter->rx_ring;
 654
 655         adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
 656         if (!adapter->tx_ring) {
 657                 err = -ENOMEM;
 658                 goto err_setup_rx;
 659         }
 660         memset(adapter->tx_ring, 0, tx_ring_size);
 661
 662         adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
 663         if (!adapter->rx_ring) {
 664                 kfree(adapter->tx_ring);
 665                 err = -ENOMEM;
 666                 goto err_setup_rx;
 667         }
 668         memset(adapter->rx_ring, 0, rx_ring_size);
 669
 670         txdr = adapter->tx_ring;
 671         rxdr = adapter->rx_ring;
 672
 673         if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 674                 return -EINVAL;
 675
 676         rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
 677         rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
 678                 E1000_MAX_RXD : E1000_MAX_82544_RXD));
 679         E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 680
 681         txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
 682         txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
 683                 E1000_MAX_TXD : E1000_MAX_82544_TXD));
 684         E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 685
 686         for (i = 0; i < adapter->num_tx_queues; i++)
 687                 txdr[i].count = txdr->count;
 688         for (i = 0; i < adapter->num_rx_queues; i++)
 689                 rxdr[i].count = rxdr->count;
 690
 691         if(netif_running(adapter->netdev)) {
 692                 /* Try to get new resources before deleting old */
 693                 if ((err = e1000_setup_all_rx_resources(adapter)))
 694                         goto err_setup_rx;
 695                 if ((err = e1000_setup_all_tx_resources(adapter)))
 696                         goto err_setup_tx;
 697
 698                 /* save the new, restore the old in order to free it,
 699                  * then restore the new back again */
 700
 701                 rx_new = adapter->rx_ring;
 702                 tx_new = adapter->tx_ring;
 703                 adapter->rx_ring = rx_old;
 704                 adapter->tx_ring = tx_old;
 705                 e1000_free_all_rx_resources(adapter);
 706                 e1000_free_all_tx_resources(adapter);
 707                 kfree(tx_old);
 708                 kfree(rx_old);
 709                 adapter->rx_ring = rx_new;
 710                 adapter->tx_ring = tx_new;
 711                 if((err = e1000_up(adapter)))
 712                         return err;
 713         }
 714
 715         return 0;
 716 err_setup_tx:
 717         e1000_free_all_rx_resources(adapter);
 718 err_setup_rx:
 719         adapter->rx_ring = rx_old;
 720         adapter->tx_ring = tx_old;
 721         e1000_up(adapter);
 722         return err;
 723 }
 724
 725 #define REG_PATTERN_TEST(R, M, W)                                              \
 726 {                                                                              \
 727         uint32_t pat, value;                                                   \
 728         uint32_t test[] =                                                      \
 729                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};              \
 730         for(pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) {              \
 731                 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W));             \
 732                 value = E1000_READ_REG(&adapter->hw, R);                       \
 733                 if(value != (test[pat] & W & M)) {                             \
 734                         DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
 735                                 "0x%08X expected 0x%08X\n",                    \
 736                                 E1000_##R, value, (test[pat] & W & M));        \
 737                         *data = (adapter->hw.mac_type < e1000_82543) ?         \
 738                                 E1000_82542_##R : E1000_##R;                   \
 739                         return 1;                                              \
 740                 }                                                              \
 741         }                                                                      \
 742 }
 743
 744 #define REG_SET_AND_CHECK(R, M, W)                                             \
 745 {                                                                              \
 746         uint32_t value;                                                        \
 747         E1000_WRITE_REG(&adapter->hw, R, W & M);                               \
 748         value = E1000_READ_REG(&adapter->hw, R);                               \
 749         if((W & M) != (value & M)) {                                          \
 750                 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
 751                         "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
 752                 *data = (adapter->hw.mac_type < e1000_82543) ?                 \
 753                         E1000_82542_##R : E1000_##R;                           \
 754                 return 1;                                                      \
 755         }                                                                      \
 756 }
 757
 758 static int
 759 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
 760 {
 761         uint32_t value, before, after;
 762         uint32_t i, toggle;
 763
 764         /* The status register is Read Only, so a write should fail.
 765          * Some bits that get toggled are ignored.
 766          */
 767         switch (adapter->hw.mac_type) {
 768         /* there are several bits on newer hardware that are r/w */
 769         case e1000_82571:
 770         case e1000_82572:
 771                 toggle = 0x7FFFF3FF;
 772                 break;
 773         case e1000_82573:
 774                 toggle = 0x7FFFF033;
 775                 break;
 776         default:
 777                 toggle = 0xFFFFF833;
 778                 break;
 779         }
 780
 781         before = E1000_READ_REG(&adapter->hw, STATUS);
 782         value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
 783         E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
 784         after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
 785         if(value != after) {
 786                 DPRINTK(DRV, ERR, "failed STATUS register test got: "
 787                         "0x%08X expected: 0x%08X\n", after, value);
 788                 *data = 1;
 789                 return 1;
 790         }
 791         /* restore previous status */
 792         E1000_WRITE_REG(&adapter->hw, STATUS, before);
 793
 794         REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 795         REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 796         REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 797         REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 798         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 799         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 800         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 801         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 802         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 803         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 804         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 805         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 806         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 807         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 808
 809         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 810         REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
 811         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 812
 813         if(adapter->hw.mac_type >= e1000_82543) {
 814
 815                 REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF);
 816                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 817                 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 818                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 819                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 820
 821                 for(i = 0; i < E1000_RAR_ENTRIES; i++) {
 822                         REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
 823                                          0xFFFFFFFF);
 824                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 825                                          0xFFFFFFFF);
 826                 }
 827
 828         } else {
 829
 830                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 831                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 832                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 833                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 834
 835         }
 836
 837         for(i = 0; i < E1000_MC_TBL_SIZE; i++)
 838                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 839
 840         *data = 0;
 841         return 0;
 842 }
 843
 844 static int
 845 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
 846 {
 847         uint16_t temp;
 848         uint16_t checksum = 0;
 849         uint16_t i;
 850
 851         *data = 0;
 852         /* Read and add up the contents of the EEPROM */
 853         for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 854                 if((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
 855                         *data = 1;
 856                         break;
 857                 }
 858                 checksum += temp;
 859         }
 860
 861         /* If Checksum is not Correct return error else test passed */
 862         if((checksum != (uint16_t) EEPROM_SUM) && !(*data))
 863                 *data = 2;
 864
 865         return *data;
 866 }
 867
 868 static irqreturn_t
 869 e1000_test_intr(int irq,
 870                 void *data,
 871                 struct pt_regs *regs)
 872 {
 873         struct net_device *netdev = (struct net_device *) data;
 874         struct e1000_adapter *adapter = netdev_priv(netdev);
 875
 876         adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
 877
 878         return IRQ_HANDLED;
 879 }
 880
 881 static int
 882 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
 883 {
 884         struct net_device *netdev = adapter->netdev;
 885         uint32_t mask, i=0, shared_int = TRUE;
 886         uint32_t irq = adapter->pdev->irq;
 887
 888         *data = 0;
 889
 890         /* Hook up test interrupt handler just for this test */
 891         if(!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
 892                 shared_int = FALSE;
 893         } else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ,
 894                               netdev->name, netdev)){
 895                 *data = 1;
 896                 return -1;
 897         }
 898
 899         /* Disable all the interrupts */
 900         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 901         msec_delay(10);
 902
 903         /* Test each interrupt */
 904         for(; i < 10; i++) {
 905
 906                 /* Interrupt to test */
 907                 mask = 1 << i;
 908
 909                 if(!shared_int) {
 910                         /* Disable the interrupt to be reported in
 911                          * the cause register and then force the same
 912                          * interrupt and see if one gets posted.  If
 913                          * an interrupt was posted to the bus, the
 914                          * test failed.
 915                          */
 916                         adapter->test_icr = 0;
 917                         E1000_WRITE_REG(&adapter->hw, IMC, mask);
 918                         E1000_WRITE_REG(&adapter->hw, ICS, mask);
 919                         msec_delay(10);
 920
 921                         if(adapter->test_icr & mask) {
 922                                 *data = 3;
 923                                 break;
 924                         }
 925                 }
 926
 927                 /* Enable the interrupt to be reported in
 928                  * the cause register and then force the same
 929                  * interrupt and see if one gets posted.  If
 930                  * an interrupt was not posted to the bus, the
 931                  * test failed.
 932                  */
 933                 adapter->test_icr = 0;
 934                 E1000_WRITE_REG(&adapter->hw, IMS, mask);
 935                 E1000_WRITE_REG(&adapter->hw, ICS, mask);
 936                 msec_delay(10);
 937
 938                 if(!(adapter->test_icr & mask)) {
 939                         *data = 4;
 940                         break;
 941                 }
 942
 943                 if(!shared_int) {
 944                         /* Disable the other interrupts to be reported in
 945                          * the cause register and then force the other
 946                          * interrupts and see if any get posted.  If
 947                          * an interrupt was posted to the bus, the
 948                          * test failed.
 949                          */
 950                         adapter->test_icr = 0;
 951                         E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
 952                         E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
 953                         msec_delay(10);
 954
 955                         if(adapter->test_icr) {
 956                                 *data = 5;
 957                                 break;
 958                         }
 959                 }
 960         }
 961
 962         /* Disable all the interrupts */
 963         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 964         msec_delay(10);
 965
 966         /* Unhook test interrupt handler */
 967         free_irq(irq, netdev);
 968
 969         return *data;
 970 }
 971
 972 static void
 973 e1000_free_desc_rings(struct e1000_adapter *adapter)
 974 {
 975         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 976         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 977         struct pci_dev *pdev = adapter->pdev;
 978         int i;
 979
 980         if(txdr->desc && txdr->buffer_info) {
 981                 for(i = 0; i < txdr->count; i++) {
 982                         if(txdr->buffer_info[i].dma)
 983                                 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
 984                                                  txdr->buffer_info[i].length,
 985                                                  PCI_DMA_TODEVICE);
 986                         if(txdr->buffer_info[i].skb)
 987                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 988                 }
 989         }
 990
 991         if(rxdr->desc && rxdr->buffer_info) {
 992                 for(i = 0; i < rxdr->count; i++) {
 993                         if(rxdr->buffer_info[i].dma)
 994                                 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
 995                                                  rxdr->buffer_info[i].length,
 996                                                  PCI_DMA_FROMDEVICE);
 997                         if(rxdr->buffer_info[i].skb)
 998                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
 999                 }
1000         }
1001
1002         if (txdr->desc) {
1003                 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
1004                 txdr->desc = NULL;
1005         }
1006         if (rxdr->desc) {
1007                 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
1008                 rxdr->desc = NULL;
1009         }
1010
1011         kfree(txdr->buffer_info);
1012         txdr->buffer_info = NULL;
1013         kfree(rxdr->buffer_info);
1014         rxdr->buffer_info = NULL;
1015
1016         return;
1017 }
1018
1019 static int
1020 e1000_setup_desc_rings(struct e1000_adapter *adapter)
1021 {
1022         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1023         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1024         struct pci_dev *pdev = adapter->pdev;
1025         uint32_t rctl;
1026         int size, i, ret_val;
1027
1028         /* Setup Tx descriptor ring and Tx buffers */
1029
1030         if(!txdr->count)
1031                 txdr->count = E1000_DEFAULT_TXD;
1032
1033         size = txdr->count * sizeof(struct e1000_buffer);
1034         if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1035                 ret_val = 1;
1036                 goto err_nomem;
1037         }
1038         memset(txdr->buffer_info, 0, size);
1039
1040         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1041         E1000_ROUNDUP(txdr->size, 4096);
1042         if(!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
1043                 ret_val = 2;
1044                 goto err_nomem;
1045         }
1046         memset(txdr->desc, 0, txdr->size);
1047         txdr->next_to_use = txdr->next_to_clean = 0;
1048
1049         E1000_WRITE_REG(&adapter->hw, TDBAL,
1050                         ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
1051         E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
1052         E1000_WRITE_REG(&adapter->hw, TDLEN,
1053                         txdr->count * sizeof(struct e1000_tx_desc));
1054         E1000_WRITE_REG(&adapter->hw, TDH, 0);
1055         E1000_WRITE_REG(&adapter->hw, TDT, 0);
1056         E1000_WRITE_REG(&adapter->hw, TCTL,
1057                         E1000_TCTL_PSP | E1000_TCTL_EN |
1058                         E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1059                         E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1060
1061         for(i = 0; i < txdr->count; i++) {
1062                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1063                 struct sk_buff *skb;
1064                 unsigned int size = 1024;
1065
1066                 if(!(skb = alloc_skb(size, GFP_KERNEL))) {
1067                         ret_val = 3;
1068                         goto err_nomem;
1069                 }
1070                 skb_put(skb, size);
1071                 txdr->buffer_info[i].skb = skb;
1072                 txdr->buffer_info[i].length = skb->len;
1073                 txdr->buffer_info[i].dma =
1074                         pci_map_single(pdev, skb->data, skb->len,
1075                                        PCI_DMA_TODEVICE);
1076                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1077                 tx_desc->lower.data = cpu_to_le32(skb->len);
1078                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1079                                                    E1000_TXD_CMD_IFCS |
1080                                                    E1000_TXD_CMD_RPS);
1081                 tx_desc->upper.data = 0;
1082         }
1083
1084         /* Setup Rx descriptor ring and Rx buffers */
1085
1086         if(!rxdr->count)
1087                 rxdr->count = E1000_DEFAULT_RXD;
1088
1089         size = rxdr->count * sizeof(struct e1000_buffer);
1090         if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1091                 ret_val = 4;
1092                 goto err_nomem;
1093         }
1094         memset(rxdr->buffer_info, 0, size);
1095
1096         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1097         if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
1098                 ret_val = 5;
1099                 goto err_nomem;
1100         }
1101         memset(rxdr->desc, 0, rxdr->size);
1102         rxdr->next_to_use = rxdr->next_to_clean = 0;
1103
1104         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1105         E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
1106         E1000_WRITE_REG(&adapter->hw, RDBAL,
1107                         ((uint64_t) rxdr->dma & 0xFFFFFFFF));
1108         E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
1109         E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1110         E1000_WRITE_REG(&adapter->hw, RDH, 0);
1111         E1000_WRITE_REG(&adapter->hw, RDT, 0);
1112         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1113                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1114                 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1115         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1116
1117         for(i = 0; i < rxdr->count; i++) {
1118                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1119                 struct sk_buff *skb;
1120
1121                 if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1122                                 GFP_KERNEL))) {
1123                         ret_val = 6;
1124                         goto err_nomem;
1125                 }
1126                 skb_reserve(skb, NET_IP_ALIGN);
1127                 rxdr->buffer_info[i].skb = skb;
1128                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1129                 rxdr->buffer_info[i].dma =
1130                         pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1131                                        PCI_DMA_FROMDEVICE);
1132                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1133                 memset(skb->data, 0x00, skb->len);
1134         }
1135
1136         return 0;
1137
1138 err_nomem:
1139         e1000_free_desc_rings(adapter);
1140         return ret_val;
1141 }
1142
1143 static void
1144 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1145 {
1146         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1147         e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1148         e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1149         e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1150         e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1151 }
1152
1153 static void
1154 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1155 {
1156         uint16_t phy_reg;
1157
1158         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1159          * Extended PHY Specific Control Register to 25MHz clock.  This
1160          * value defaults back to a 2.5MHz clock when the PHY is reset.
1161          */
1162         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1163         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1164         e1000_write_phy_reg(&adapter->hw,
1165                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1166
1167         /* In addition, because of the s/w reset above, we need to enable
1168          * CRS on TX.  This must be set for both full and half duplex
1169          * operation.
1170          */
1171         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1172         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1173         e1000_write_phy_reg(&adapter->hw,
1174                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1175 }
1176
1177 static int
1178 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1179 {
1180         uint32_t ctrl_reg;
1181         uint16_t phy_reg;
1182
1183         /* Setup the Device Control Register for PHY loopback test. */
1184
1185         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1186         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1187                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1188                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1189                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1190                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1191
1192         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1193
1194         /* Read the PHY Specific Control Register (0x10) */
1195         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1196
1197         /* Clear Auto-Crossover bits in PHY Specific Control Register
1198          * (bits 6:5).
1199          */
1200         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1201         e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1202
1203         /* Perform software reset on the PHY */
1204         e1000_phy_reset(&adapter->hw);
1205
1206         /* Have to setup TX_CLK and TX_CRS after software reset */
1207         e1000_phy_reset_clk_and_crs(adapter);
1208
1209         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1210
1211         /* Wait for reset to complete. */
1212         udelay(500);
1213
1214         /* Have to setup TX_CLK and TX_CRS after software reset */
1215         e1000_phy_reset_clk_and_crs(adapter);
1216
1217         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1218         e1000_phy_disable_receiver(adapter);
1219
1220         /* Set the loopback bit in the PHY control register. */
1221         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1222         phy_reg |= MII_CR_LOOPBACK;
1223         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1224
1225         /* Setup TX_CLK and TX_CRS one more time. */
1226         e1000_phy_reset_clk_and_crs(adapter);
1227
1228         /* Check Phy Configuration */
1229         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1230         if(phy_reg != 0x4100)
1231                  return 9;
1232
1233         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1234         if(phy_reg != 0x0070)
1235                 return 10;
1236
1237         e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1238         if(phy_reg != 0x001A)
1239                 return 11;
1240
1241         return 0;
1242 }
1243
1244 static int
1245 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1246 {
1247         uint32_t ctrl_reg = 0;
1248         uint32_t stat_reg = 0;
1249
1250         adapter->hw.autoneg = FALSE;
1251
1252         if(adapter->hw.phy_type == e1000_phy_m88) {
1253                 /* Auto-MDI/MDIX Off */
1254                 e1000_write_phy_reg(&adapter->hw,
1255                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1256                 /* reset to update Auto-MDI/MDIX */
1257                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1258                 /* autoneg off */
1259                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1260         }
1261         /* force 1000, set loopback */
1262         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1263
1264         /* Now set up the MAC to the same speed/duplex as the PHY. */
1265         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1266         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1267         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1268                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1269                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1270                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1271
1272         if(adapter->hw.media_type == e1000_media_type_copper &&
1273            adapter->hw.phy_type == e1000_phy_m88) {
1274                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1275         } else {
1276                 /* Set the ILOS bit on the fiber Nic is half
1277                  * duplex link is detected. */
1278                 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1279                 if((stat_reg & E1000_STATUS_FD) == 0)
1280                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1281         }
1282
1283         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1284
1285         /* Disable the receiver on the PHY so when a cable is plugged in, the
1286          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1287          */
1288         if(adapter->hw.phy_type == e1000_phy_m88)
1289                 e1000_phy_disable_receiver(adapter);
1290
1291         udelay(500);
1292
1293         return 0;
1294 }
1295
1296 static int
1297 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1298 {
1299         uint16_t phy_reg = 0;
1300         uint16_t count = 0;
1301
1302         switch (adapter->hw.mac_type) {
1303         case e1000_82543:
1304                 if(adapter->hw.media_type == e1000_media_type_copper) {
1305                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1306                          * Some PHY registers get corrupted at random, so
1307                          * attempt this 10 times.
1308                          */
1309                         while(e1000_nonintegrated_phy_loopback(adapter) &&
1310                               count++ < 10);
1311                         if(count < 11)
1312                                 return 0;
1313                 }
1314                 break;
1315
1316         case e1000_82544:
1317         case e1000_82540:
1318         case e1000_82545:
1319         case e1000_82545_rev_3:
1320         case e1000_82546:
1321         case e1000_82546_rev_3:
1322         case e1000_82541:
1323         case e1000_82541_rev_2:
1324         case e1000_82547:
1325         case e1000_82547_rev_2:
1326         case e1000_82571:
1327         case e1000_82572:
1328         case e1000_82573:
1329                 return e1000_integrated_phy_loopback(adapter);
1330                 break;
1331
1332         default:
1333                 /* Default PHY loopback work is to read the MII
1334                  * control register and assert bit 14 (loopback mode).
1335                  */
1336                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1337                 phy_reg |= MII_CR_LOOPBACK;
1338                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1339                 return 0;
1340                 break;
1341         }
1342
1343         return 8;
1344 }
1345
1346 static int
1347 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1348 {
1349         struct e1000_hw *hw = &adapter->hw;
1350         uint32_t rctl;
1351
1352         if (hw->media_type == e1000_media_type_fiber ||
1353             hw->media_type == e1000_media_type_internal_serdes) {
1354                 switch (hw->mac_type) {
1355                 case e1000_82545:
1356                 case e1000_82546:
1357                 case e1000_82545_rev_3:
1358                 case e1000_82546_rev_3:
1359                         return e1000_set_phy_loopback(adapter);
1360                         break;
1361                 case e1000_82571:
1362                 case e1000_82572:
1363 #define E1000_SERDES_LB_ON 0x410
1364                         e1000_set_phy_loopback(adapter);
1365                         E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON);
1366                         msec_delay(10);
1367                         return 0;
1368                         break;
1369                 default:
1370                         rctl = E1000_READ_REG(hw, RCTL);
1371                         rctl |= E1000_RCTL_LBM_TCVR;
1372                         E1000_WRITE_REG(hw, RCTL, rctl);
1373                         return 0;
1374                 }
1375         } else if (hw->media_type == e1000_media_type_copper)
1376                 return e1000_set_phy_loopback(adapter);
1377
1378         return 7;
1379 }
1380
1381 static void
1382 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1383 {
1384         struct e1000_hw *hw = &adapter->hw;
1385         uint32_t rctl;
1386         uint16_t phy_reg;
1387
1388         rctl = E1000_READ_REG(hw, RCTL);
1389         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1390         E1000_WRITE_REG(hw, RCTL, rctl);
1391
1392         switch (hw->mac_type) {
1393         case e1000_82571:
1394         case e1000_82572:
1395                 if (hw->media_type == e1000_media_type_fiber ||
1396                     hw->media_type == e1000_media_type_internal_serdes) {
1397 #define E1000_SERDES_LB_OFF 0x400
1398                         E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF);
1399                         msec_delay(10);
1400                         break;
1401                 }
1402                 /* Fall Through */
1403         case e1000_82545:
1404         case e1000_82546:
1405         case e1000_82545_rev_3:
1406         case e1000_82546_rev_3:
1407         default:
1408                 hw->autoneg = TRUE;
1409                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1410                 if (phy_reg & MII_CR_LOOPBACK) {
1411                         phy_reg &= ~MII_CR_LOOPBACK;
1412                         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1413                         e1000_phy_reset(hw);
1414                 }
1415                 break;
1416         }
1417 }
1418
1419 static void
1420 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1421 {
1422         memset(skb->data, 0xFF, frame_size);
1423         frame_size &= ~1;
1424         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1425         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1426         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1427 }
1428
1429 static int
1430 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1431 {
1432         frame_size &= ~1;
1433         if(*(skb->data + 3) == 0xFF) {
1434                 if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1435                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1436                         return 0;
1437                 }
1438         }
1439         return 13;
1440 }
1441
1442 static int
1443 e1000_run_loopback_test(struct e1000_adapter *adapter)
1444 {
1445         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1446         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1447         struct pci_dev *pdev = adapter->pdev;
1448         int i, j, k, l, lc, good_cnt, ret_val=0;
1449         unsigned long time;
1450
1451         E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1452
1453         /* Calculate the loop count based on the largest descriptor ring
1454          * The idea is to wrap the largest ring a number of times using 64
1455          * send/receive pairs during each loop
1456          */
1457
1458         if(rxdr->count <= txdr->count)
1459                 lc = ((txdr->count / 64) * 2) + 1;
1460         else
1461                 lc = ((rxdr->count / 64) * 2) + 1;
1462
1463         k = l = 0;
1464         for(j = 0; j <= lc; j++) { /* loop count loop */
1465                 for(i = 0; i < 64; i++) { /* send the packets */
1466                         e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1467                                         1024);
1468                         pci_dma_sync_single_for_device(pdev,
1469                                         txdr->buffer_info[k].dma,
1470                                         txdr->buffer_info[k].length,
1471                                         PCI_DMA_TODEVICE);
1472                         if(unlikely(++k == txdr->count)) k = 0;
1473                 }
1474                 E1000_WRITE_REG(&adapter->hw, TDT, k);
1475                 msec_delay(200);
1476                 time = jiffies; /* set the start time for the receive */
1477                 good_cnt = 0;
1478                 do { /* receive the sent packets */
1479                         pci_dma_sync_single_for_cpu(pdev,
1480                                         rxdr->buffer_info[l].dma,
1481                                         rxdr->buffer_info[l].length,
1482                                         PCI_DMA_FROMDEVICE);
1483
1484                         ret_val = e1000_check_lbtest_frame(
1485                                         rxdr->buffer_info[l].skb,
1486                                         1024);
1487                         if(!ret_val)
1488                                 good_cnt++;
1489                         if(unlikely(++l == rxdr->count)) l = 0;
1490                         /* time + 20 msecs (200 msecs on 2.4) is more than
1491                          * enough time to complete the receives, if it's
1492                          * exceeded, break and error off
1493                          */
1494                 } while (good_cnt < 64 && jiffies < (time + 20));
1495                 if(good_cnt != 64) {
1496                         ret_val = 13; /* ret_val is the same as mis-compare */
1497                         break;
1498                 }
1499                 if(jiffies >= (time + 2)) {
1500                         ret_val = 14; /* error code for time out error */
1501                         break;
1502                 }
1503         } /* end loop count loop */
1504         return ret_val;
1505 }
1506
1507 static int
1508 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1509 {
1510         /* PHY loopback cannot be performed if SoL/IDER
1511          * sessions are active */
1512         if (e1000_check_phy_reset_block(&adapter->hw)) {
1513                 DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
1514                         "when SoL/IDER is active.\n");
1515                 *data = 0;
1516                 goto out;
1517         }
1518
1519         if ((*data = e1000_setup_desc_rings(adapter)))
1520                 goto out;
1521         if ((*data = e1000_setup_loopback_test(adapter)))
1522                 goto err_loopback;
1523         *data = e1000_run_loopback_test(adapter);
1524         e1000_loopback_cleanup(adapter);
1525
1526 err_loopback:
1527         e1000_free_desc_rings(adapter);
1528 out:
1529         return *data;
1530 }
1531
1532 static int
1533 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1534 {
1535         *data = 0;
1536         if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1537                 int i = 0;
1538                 adapter->hw.serdes_link_down = TRUE;
1539
1540                 /* On some blade server designs, link establishment
1541                  * could take as long as 2-3 minutes */
1542                 do {
1543                         e1000_check_for_link(&adapter->hw);
1544                         if (adapter->hw.serdes_link_down == FALSE)
1545                                 return *data;
1546                         msec_delay(20);
1547                 } while (i++ < 3750);
1548
1549                 *data = 1;
1550         } else {
1551                 e1000_check_for_link(&adapter->hw);
1552                 if(adapter->hw.autoneg)  /* if auto_neg is set wait for it */
1553                         msec_delay(4000);
1554
1555                 if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1556                         *data = 1;
1557                 }
1558         }
1559         return *data;
1560 }
1561
1562 static int
1563 e1000_diag_test_count(struct net_device *netdev)
1564 {
1565         return E1000_TEST_LEN;
1566 }
1567
1568 static void
1569 e1000_diag_test(struct net_device *netdev,
1570                    struct ethtool_test *eth_test, uint64_t *data)
1571 {
1572         struct e1000_adapter *adapter = netdev_priv(netdev);
1573         boolean_t if_running = netif_running(netdev);
1574
1575         if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
1576                 /* Offline tests */
1577
1578                 /* save speed, duplex, autoneg settings */
1579                 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1580                 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1581                 uint8_t autoneg = adapter->hw.autoneg;
1582
1583                 /* Link test performed before hardware reset so autoneg doesn't
1584                  * interfere with test result */
1585                 if(e1000_link_test(adapter, &data[4]))
1586                         eth_test->flags |= ETH_TEST_FL_FAILED;
1587
1588                 if(if_running)
1589                         e1000_down(adapter);
1590                 else
1591                         e1000_reset(adapter);
1592
1593                 if(e1000_reg_test(adapter, &data[0]))
1594                         eth_test->flags |= ETH_TEST_FL_FAILED;
1595
1596                 e1000_reset(adapter);
1597                 if(e1000_eeprom_test(adapter, &data[1]))
1598                         eth_test->flags |= ETH_TEST_FL_FAILED;
1599
1600                 e1000_reset(adapter);
1601                 if(e1000_intr_test(adapter, &data[2]))
1602                         eth_test->flags |= ETH_TEST_FL_FAILED;
1603
1604                 e1000_reset(adapter);
1605                 if(e1000_loopback_test(adapter, &data[3]))
1606                         eth_test->flags |= ETH_TEST_FL_FAILED;
1607
1608                 /* restore speed, duplex, autoneg settings */
1609                 adapter->hw.autoneg_advertised = autoneg_advertised;
1610                 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1611                 adapter->hw.autoneg = autoneg;
1612
1613                 e1000_reset(adapter);
1614                 if(if_running)
1615                         e1000_up(adapter);
1616         } else {
1617                 /* Online tests */
1618                 if(e1000_link_test(adapter, &data[4]))
1619                         eth_test->flags |= ETH_TEST_FL_FAILED;
1620
1621                 /* Offline tests aren't run; pass by default */
1622                 data[0] = 0;
1623                 data[1] = 0;
1624                 data[2] = 0;
1625                 data[3] = 0;
1626         }
1627         msleep_interruptible(4 * 1000);
1628 }
1629
1630 static void
1631 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1632 {
1633         struct e1000_adapter *adapter = netdev_priv(netdev);
1634         struct e1000_hw *hw = &adapter->hw;
1635
1636         switch(adapter->hw.device_id) {
1637         case E1000_DEV_ID_82542:
1638         case E1000_DEV_ID_82543GC_FIBER:
1639         case E1000_DEV_ID_82543GC_COPPER:
1640         case E1000_DEV_ID_82544EI_FIBER:
1641         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1642         case E1000_DEV_ID_82545EM_FIBER:
1643         case E1000_DEV_ID_82545EM_COPPER:
1644                 wol->supported = 0;
1645                 wol->wolopts   = 0;
1646                 return;
1647
1648         case E1000_DEV_ID_82546EB_FIBER:
1649         case E1000_DEV_ID_82546GB_FIBER:
1650         case E1000_DEV_ID_82571EB_FIBER:
1651                 /* Wake events only supported on port A for dual fiber */
1652                 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1653                         wol->supported = 0;
1654                         wol->wolopts   = 0;
1655                         return;
1656                 }
1657                 /* Fall Through */
1658
1659         default:
1660                 wol->supported = WAKE_UCAST | WAKE_MCAST |
1661                                  WAKE_BCAST | WAKE_MAGIC;
1662
1663                 wol->wolopts = 0;
1664                 if(adapter->wol & E1000_WUFC_EX)
1665                         wol->wolopts |= WAKE_UCAST;
1666                 if(adapter->wol & E1000_WUFC_MC)
1667                         wol->wolopts |= WAKE_MCAST;
1668                 if(adapter->wol & E1000_WUFC_BC)
1669                         wol->wolopts |= WAKE_BCAST;
1670                 if(adapter->wol & E1000_WUFC_MAG)
1671                         wol->wolopts |= WAKE_MAGIC;
1672                 return;
1673         }
1674 }
1675
1676 static int
1677 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1678 {
1679         struct e1000_adapter *adapter = netdev_priv(netdev);
1680         struct e1000_hw *hw = &adapter->hw;
1681
1682         switch(adapter->hw.device_id) {
1683         case E1000_DEV_ID_82542:
1684         case E1000_DEV_ID_82543GC_FIBER:
1685         case E1000_DEV_ID_82543GC_COPPER:
1686         case E1000_DEV_ID_82544EI_FIBER:
1687         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1688         case E1000_DEV_ID_82545EM_FIBER:
1689         case E1000_DEV_ID_82545EM_COPPER:
1690                 return wol->wolopts ? -EOPNOTSUPP : 0;
1691
1692         case E1000_DEV_ID_82546EB_FIBER:
1693         case E1000_DEV_ID_82546GB_FIBER:
1694         case E1000_DEV_ID_82571EB_FIBER:
1695                 /* Wake events only supported on port A for dual fiber */
1696                 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
1697                         return wol->wolopts ? -EOPNOTSUPP : 0;
1698                 /* Fall Through */
1699
1700         default:
1701                 if(wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1702                         return -EOPNOTSUPP;
1703
1704                 adapter->wol = 0;
1705
1706                 if(wol->wolopts & WAKE_UCAST)
1707                         adapter->wol |= E1000_WUFC_EX;
1708                 if(wol->wolopts & WAKE_MCAST)
1709                         adapter->wol |= E1000_WUFC_MC;
1710                 if(wol->wolopts & WAKE_BCAST)
1711                         adapter->wol |= E1000_WUFC_BC;
1712                 if(wol->wolopts & WAKE_MAGIC)
1713                         adapter->wol |= E1000_WUFC_MAG;
1714         }
1715
1716         return 0;
1717 }
1718
1719 /* toggle LED 4 times per second = 2 "blinks" per second */
1720 #define E1000_ID_INTERVAL       (HZ/4)
1721
1722 /* bit defines for adapter->led_status */
1723 #define E1000_LED_ON            0
1724
1725 static void
1726 e1000_led_blink_callback(unsigned long data)
1727 {
1728         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1729
1730         if(test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1731                 e1000_led_off(&adapter->hw);
1732         else
1733                 e1000_led_on(&adapter->hw);
1734
1735         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1736 }
1737
1738 static int
1739 e1000_phys_id(struct net_device *netdev, uint32_t data)
1740 {
1741         struct e1000_adapter *adapter = netdev_priv(netdev);
1742
1743         if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1744                 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1745
1746         if(adapter->hw.mac_type < e1000_82571) {
1747                 if(!adapter->blink_timer.function) {
1748                         init_timer(&adapter->blink_timer);
1749                         adapter->blink_timer.function = e1000_led_blink_callback;
1750                         adapter->blink_timer.data = (unsigned long) adapter;
1751                 }
1752                 e1000_setup_led(&adapter->hw);
1753                 mod_timer(&adapter->blink_timer, jiffies);
1754                 msleep_interruptible(data * 1000);
1755                 del_timer_sync(&adapter->blink_timer);
1756         } else if (adapter->hw.mac_type < e1000_82573) {
1757                 E1000_WRITE_REG(&adapter->hw, LEDCTL,
1758                         (E1000_LEDCTL_LED2_BLINK_RATE |
1759                          E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
1760                          (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1761                          (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
1762                          (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
1763                 msleep_interruptible(data * 1000);
1764         } else {
1765                 E1000_WRITE_REG(&adapter->hw, LEDCTL,
1766                         (E1000_LEDCTL_LED2_BLINK_RATE |
1767                          E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
1768                          (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1769                          (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
1770                          (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
1771                 msleep_interruptible(data * 1000);
1772         }
1773
1774         e1000_led_off(&adapter->hw);
1775         clear_bit(E1000_LED_ON, &adapter->led_status);
1776         e1000_cleanup_led(&adapter->hw);
1777
1778         return 0;
1779 }
1780
1781 static int
1782 e1000_nway_reset(struct net_device *netdev)
1783 {
1784         struct e1000_adapter *adapter = netdev_priv(netdev);
1785         if(netif_running(netdev)) {
1786                 e1000_down(adapter);
1787                 e1000_up(adapter);
1788         }
1789         return 0;
1790 }
1791
1792 static int
1793 e1000_get_stats_count(struct net_device *netdev)
1794 {
1795         return E1000_STATS_LEN;
1796 }
1797
1798 static void
1799 e1000_get_ethtool_stats(struct net_device *netdev,
1800                 struct ethtool_stats *stats, uint64_t *data)
1801 {
1802         struct e1000_adapter *adapter = netdev_priv(netdev);
1803 #ifdef CONFIG_E1000_MQ
1804         uint64_t *queue_stat;
1805         int stat_count = sizeof(struct e1000_queue_stats) / sizeof(uint64_t);
1806         int j, k;
1807 #endif
1808         int i;
1809
1810         e1000_update_stats(adapter);
1811         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1812                 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1813                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1814                         sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1815         }
1816 #ifdef CONFIG_E1000_MQ
1817         for (j = 0; j < adapter->num_tx_queues; j++) {
1818                 queue_stat = (uint64_t *)&adapter->tx_ring[j].tx_stats;
1819                 for (k = 0; k < stat_count; k++)
1820                         data[i + k] = queue_stat[k];
1821                 i += k;
1822         }
1823         for (j = 0; j < adapter->num_rx_queues; j++) {
1824                 queue_stat = (uint64_t *)&adapter->rx_ring[j].rx_stats;
1825                 for (k = 0; k < stat_count; k++)
1826                         data[i + k] = queue_stat[k];
1827                 i += k;
1828         }
1829 #endif
1830 /*      BUG_ON(i != E1000_STATS_LEN); */
1831 }
1832
1833 static void
1834 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1835 {
1836 #ifdef CONFIG_E1000_MQ
1837         struct e1000_adapter *adapter = netdev_priv(netdev);
1838 #endif
1839         uint8_t *p = data;
1840         int i;
1841
1842         switch(stringset) {
1843         case ETH_SS_TEST:
1844                 memcpy(data, *e1000_gstrings_test,
1845                         E1000_TEST_LEN*ETH_GSTRING_LEN);
1846                 break;
1847         case ETH_SS_STATS:
1848                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1849                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1850                                ETH_GSTRING_LEN);
1851                         p += ETH_GSTRING_LEN;
1852                 }
1853 #ifdef CONFIG_E1000_MQ
1854                 for (i = 0; i < adapter->num_tx_queues; i++) {
1855                         sprintf(p, "tx_queue_%u_packets", i);
1856                         p += ETH_GSTRING_LEN;
1857                         sprintf(p, "tx_queue_%u_bytes", i);
1858                         p += ETH_GSTRING_LEN;
1859                 }
1860                 for (i = 0; i < adapter->num_rx_queues; i++) {
1861                         sprintf(p, "rx_queue_%u_packets", i);
1862                         p += ETH_GSTRING_LEN;
1863                         sprintf(p, "rx_queue_%u_bytes", i);
1864                         p += ETH_GSTRING_LEN;
1865                 }
1866 #endif
1867 /*              BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1868                 break;
1869         }
1870 }
1871
1872 static struct ethtool_ops e1000_ethtool_ops = {
1873         .get_settings           = e1000_get_settings,
1874         .set_settings           = e1000_set_settings,
1875         .get_drvinfo            = e1000_get_drvinfo,
1876         .get_regs_len           = e1000_get_regs_len,
1877         .get_regs               = e1000_get_regs,
1878         .get_wol                = e1000_get_wol,
1879         .set_wol                = e1000_set_wol,
1880         .get_msglevel           = e1000_get_msglevel,
1881         .set_msglevel           = e1000_set_msglevel,
1882         .nway_reset             = e1000_nway_reset,
1883         .get_link               = ethtool_op_get_link,
1884         .get_eeprom_len         = e1000_get_eeprom_len,
1885         .get_eeprom             = e1000_get_eeprom,
1886         .set_eeprom             = e1000_set_eeprom,
1887         .get_ringparam          = e1000_get_ringparam,
1888         .set_ringparam          = e1000_set_ringparam,
1889         .get_pauseparam         = e1000_get_pauseparam,
1890         .set_pauseparam         = e1000_set_pauseparam,
1891         .get_rx_csum            = e1000_get_rx_csum,
1892         .set_rx_csum            = e1000_set_rx_csum,
1893         .get_tx_csum            = e1000_get_tx_csum,
1894         .set_tx_csum            = e1000_set_tx_csum,
1895         .get_sg                 = ethtool_op_get_sg,
1896         .set_sg                 = ethtool_op_set_sg,
1897 #ifdef NETIF_F_TSO
1898         .get_tso                = ethtool_op_get_tso,
1899         .set_tso                = e1000_set_tso,
1900 #endif
1901         .self_test_count        = e1000_diag_test_count,
1902         .self_test              = e1000_diag_test,
1903         .get_strings            = e1000_get_strings,
1904         .phys_id                = e1000_phys_id,
1905         .get_stats_count        = e1000_get_stats_count,
1906         .get_ethtool_stats      = e1000_get_ethtool_stats,
1907         .get_perm_addr          = ethtool_op_get_perm_addr,
1908 };
1909
1910 void e1000_set_ethtool_ops(struct net_device *netdev)
1911 {
1912         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1913 }