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
 586         strncpy(drvinfo->driver,  e1000_driver_name, 32);
 587         strncpy(drvinfo->version, e1000_driver_version, 32);
 588         strncpy(drvinfo->fw_version, "N/A", 32);
 589         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 590         drvinfo->n_stats = E1000_STATS_LEN;
 591         drvinfo->testinfo_len = E1000_TEST_LEN;
 592         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 593         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 594 }
 595
 596 static void
 597 e1000_get_ringparam(struct net_device *netdev,
 598                     struct ethtool_ringparam *ring)
 599 {
 600         struct e1000_adapter *adapter = netdev_priv(netdev);
 601         e1000_mac_type mac_type = adapter->hw.mac_type;
 602         struct e1000_tx_ring *txdr = adapter->tx_ring;
 603         struct e1000_rx_ring *rxdr = adapter->rx_ring;
 604
 605         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 606                 E1000_MAX_82544_RXD;
 607         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 608                 E1000_MAX_82544_TXD;
 609         ring->rx_mini_max_pending = 0;
 610         ring->rx_jumbo_max_pending = 0;
 611         ring->rx_pending = rxdr->count;
 612         ring->tx_pending = txdr->count;
 613         ring->rx_mini_pending = 0;
 614         ring->rx_jumbo_pending = 0;
 615 }
 616
 617 static int
 618 e1000_set_ringparam(struct net_device *netdev,
 619                     struct ethtool_ringparam *ring)
 620 {
 621         struct e1000_adapter *adapter = netdev_priv(netdev);
 622         e1000_mac_type mac_type = adapter->hw.mac_type;
 623         struct e1000_tx_ring *txdr, *tx_old, *tx_new;
 624         struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
 625         int i, err, tx_ring_size, rx_ring_size;
 626
 627         tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
 628         rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
 629
 630         if (netif_running(adapter->netdev))
 631                 e1000_down(adapter);
 632
 633         tx_old = adapter->tx_ring;
 634         rx_old = adapter->rx_ring;
 635
 636         adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
 637         if (!adapter->tx_ring) {
 638                 err = -ENOMEM;
 639                 goto err_setup_rx;
 640         }
 641         memset(adapter->tx_ring, 0, tx_ring_size);
 642
 643         adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
 644         if (!adapter->rx_ring) {
 645                 kfree(adapter->tx_ring);
 646                 err = -ENOMEM;
 647                 goto err_setup_rx;
 648         }
 649         memset(adapter->rx_ring, 0, rx_ring_size);
 650
 651         txdr = adapter->tx_ring;
 652         rxdr = adapter->rx_ring;
 653
 654         if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 655                 return -EINVAL;
 656
 657         rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
 658         rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
 659                 E1000_MAX_RXD : E1000_MAX_82544_RXD));
 660         E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 661
 662         txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
 663         txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
 664                 E1000_MAX_TXD : E1000_MAX_82544_TXD));
 665         E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 666
 667         for (i = 0; i < adapter->num_tx_queues; i++)
 668                 txdr[i].count = txdr->count;
 669         for (i = 0; i < adapter->num_rx_queues; i++)
 670                 rxdr[i].count = rxdr->count;
 671
 672         if(netif_running(adapter->netdev)) {
 673                 /* Try to get new resources before deleting old */
 674                 if ((err = e1000_setup_all_rx_resources(adapter)))
 675                         goto err_setup_rx;
 676                 if ((err = e1000_setup_all_tx_resources(adapter)))
 677                         goto err_setup_tx;
 678
 679                 /* save the new, restore the old in order to free it,
 680                  * then restore the new back again */
 681
 682                 rx_new = adapter->rx_ring;
 683                 tx_new = adapter->tx_ring;
 684                 adapter->rx_ring = rx_old;
 685                 adapter->tx_ring = tx_old;
 686                 e1000_free_all_rx_resources(adapter);
 687                 e1000_free_all_tx_resources(adapter);
 688                 kfree(tx_old);
 689                 kfree(rx_old);
 690                 adapter->rx_ring = rx_new;
 691                 adapter->tx_ring = tx_new;
 692                 if((err = e1000_up(adapter)))
 693                         return err;
 694         }
 695
 696         return 0;
 697 err_setup_tx:
 698         e1000_free_all_rx_resources(adapter);
 699 err_setup_rx:
 700         adapter->rx_ring = rx_old;
 701         adapter->tx_ring = tx_old;
 702         e1000_up(adapter);
 703         return err;
 704 }
 705
 706 #define REG_PATTERN_TEST(R, M, W)                                              \
 707 {                                                                              \
 708         uint32_t pat, value;                                                   \
 709         uint32_t test[] =                                                      \
 710                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};              \
 711         for(pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) {              \
 712                 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W));             \
 713                 value = E1000_READ_REG(&adapter->hw, R);                       \
 714                 if(value != (test[pat] & W & M)) {                             \
 715                         DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
 716                                 "0x%08X expected 0x%08X\n",                    \
 717                                 E1000_##R, value, (test[pat] & W & M));        \
 718                         *data = (adapter->hw.mac_type < e1000_82543) ?         \
 719                                 E1000_82542_##R : E1000_##R;                   \
 720                         return 1;                                              \
 721                 }                                                              \
 722         }                                                                      \
 723 }
 724
 725 #define REG_SET_AND_CHECK(R, M, W)                                             \
 726 {                                                                              \
 727         uint32_t value;                                                        \
 728         E1000_WRITE_REG(&adapter->hw, R, W & M);                               \
 729         value = E1000_READ_REG(&adapter->hw, R);                               \
 730         if((W & M) != (value & M)) {                                          \
 731                 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
 732                         "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
 733                 *data = (adapter->hw.mac_type < e1000_82543) ?                 \
 734                         E1000_82542_##R : E1000_##R;                           \
 735                 return 1;                                                      \
 736         }                                                                      \
 737 }
 738
 739 static int
 740 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
 741 {
 742         uint32_t value, before, after;
 743         uint32_t i, toggle;
 744
 745         /* The status register is Read Only, so a write should fail.
 746          * Some bits that get toggled are ignored.
 747          */
 748         switch (adapter->hw.mac_type) {
 749         /* there are several bits on newer hardware that are r/w */
 750         case e1000_82571:
 751         case e1000_82572:
 752                 toggle = 0x7FFFF3FF;
 753                 break;
 754         case e1000_82573:
 755                 toggle = 0x7FFFF033;
 756                 break;
 757         default:
 758                 toggle = 0xFFFFF833;
 759                 break;
 760         }
 761
 762         before = E1000_READ_REG(&adapter->hw, STATUS);
 763         value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
 764         E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
 765         after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
 766         if(value != after) {
 767                 DPRINTK(DRV, ERR, "failed STATUS register test got: "
 768                         "0x%08X expected: 0x%08X\n", after, value);
 769                 *data = 1;
 770                 return 1;
 771         }
 772         /* restore previous status */
 773         E1000_WRITE_REG(&adapter->hw, STATUS, before);
 774
 775         REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 776         REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 777         REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 778         REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 779         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 780         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 781         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 782         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 783         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 784         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 785         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 786         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 787         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 788         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 789
 790         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 791         REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
 792         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 793
 794         if(adapter->hw.mac_type >= e1000_82543) {
 795
 796                 REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF);
 797                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 798                 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 799                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 800                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 801
 802                 for(i = 0; i < E1000_RAR_ENTRIES; i++) {
 803                         REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
 804                                          0xFFFFFFFF);
 805                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 806                                          0xFFFFFFFF);
 807                 }
 808
 809         } else {
 810
 811                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 812                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 813                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 814                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 815
 816         }
 817
 818         for(i = 0; i < E1000_MC_TBL_SIZE; i++)
 819                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 820
 821         *data = 0;
 822         return 0;
 823 }
 824
 825 static int
 826 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
 827 {
 828         uint16_t temp;
 829         uint16_t checksum = 0;
 830         uint16_t i;
 831
 832         *data = 0;
 833         /* Read and add up the contents of the EEPROM */
 834         for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 835                 if((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
 836                         *data = 1;
 837                         break;
 838                 }
 839                 checksum += temp;
 840         }
 841
 842         /* If Checksum is not Correct return error else test passed */
 843         if((checksum != (uint16_t) EEPROM_SUM) && !(*data))
 844                 *data = 2;
 845
 846         return *data;
 847 }
 848
 849 static irqreturn_t
 850 e1000_test_intr(int irq,
 851                 void *data,
 852                 struct pt_regs *regs)
 853 {
 854         struct net_device *netdev = (struct net_device *) data;
 855         struct e1000_adapter *adapter = netdev_priv(netdev);
 856
 857         adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
 858
 859         return IRQ_HANDLED;
 860 }
 861
 862 static int
 863 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
 864 {
 865         struct net_device *netdev = adapter->netdev;
 866         uint32_t mask, i=0, shared_int = TRUE;
 867         uint32_t irq = adapter->pdev->irq;
 868
 869         *data = 0;
 870
 871         /* Hook up test interrupt handler just for this test */
 872         if(!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
 873                 shared_int = FALSE;
 874         } else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ,
 875                               netdev->name, netdev)){
 876                 *data = 1;
 877                 return -1;
 878         }
 879
 880         /* Disable all the interrupts */
 881         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 882         msec_delay(10);
 883
 884         /* Test each interrupt */
 885         for(; i < 10; i++) {
 886
 887                 /* Interrupt to test */
 888                 mask = 1 << i;
 889
 890                 if(!shared_int) {
 891                         /* Disable the interrupt to be reported in
 892                          * the cause register and then force the same
 893                          * interrupt and see if one gets posted.  If
 894                          * an interrupt was posted to the bus, the
 895                          * test failed.
 896                          */
 897                         adapter->test_icr = 0;
 898                         E1000_WRITE_REG(&adapter->hw, IMC, mask);
 899                         E1000_WRITE_REG(&adapter->hw, ICS, mask);
 900                         msec_delay(10);
 901
 902                         if(adapter->test_icr & mask) {
 903                                 *data = 3;
 904                                 break;
 905                         }
 906                 }
 907
 908                 /* Enable the interrupt to be reported in
 909                  * the cause register and then force the same
 910                  * interrupt and see if one gets posted.  If
 911                  * an interrupt was not posted to the bus, the
 912                  * test failed.
 913                  */
 914                 adapter->test_icr = 0;
 915                 E1000_WRITE_REG(&adapter->hw, IMS, mask);
 916                 E1000_WRITE_REG(&adapter->hw, ICS, mask);
 917                 msec_delay(10);
 918
 919                 if(!(adapter->test_icr & mask)) {
 920                         *data = 4;
 921                         break;
 922                 }
 923
 924                 if(!shared_int) {
 925                         /* Disable the other interrupts to be reported in
 926                          * the cause register and then force the other
 927                          * interrupts and see if any get posted.  If
 928                          * an interrupt was posted to the bus, the
 929                          * test failed.
 930                          */
 931                         adapter->test_icr = 0;
 932                         E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
 933                         E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
 934                         msec_delay(10);
 935
 936                         if(adapter->test_icr) {
 937                                 *data = 5;
 938                                 break;
 939                         }
 940                 }
 941         }
 942
 943         /* Disable all the interrupts */
 944         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 945         msec_delay(10);
 946
 947         /* Unhook test interrupt handler */
 948         free_irq(irq, netdev);
 949
 950         return *data;
 951 }
 952
 953 static void
 954 e1000_free_desc_rings(struct e1000_adapter *adapter)
 955 {
 956         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 957         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 958         struct pci_dev *pdev = adapter->pdev;
 959         int i;
 960
 961         if(txdr->desc && txdr->buffer_info) {
 962                 for(i = 0; i < txdr->count; i++) {
 963                         if(txdr->buffer_info[i].dma)
 964                                 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
 965                                                  txdr->buffer_info[i].length,
 966                                                  PCI_DMA_TODEVICE);
 967                         if(txdr->buffer_info[i].skb)
 968                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 969                 }
 970         }
 971
 972         if(rxdr->desc && rxdr->buffer_info) {
 973                 for(i = 0; i < rxdr->count; i++) {
 974                         if(rxdr->buffer_info[i].dma)
 975                                 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
 976                                                  rxdr->buffer_info[i].length,
 977                                                  PCI_DMA_FROMDEVICE);
 978                         if(rxdr->buffer_info[i].skb)
 979                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
 980                 }
 981         }
 982
 983         if(txdr->desc) {
 984                 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
 985                 txdr->desc = NULL;
 986         }
 987         if(rxdr->desc) {
 988                 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
 989                 rxdr->desc = NULL;
 990         }
 991
 992         kfree(txdr->buffer_info);
 993         txdr->buffer_info = NULL;
 994         kfree(rxdr->buffer_info);
 995         rxdr->buffer_info = NULL;
 996         return;
 997 }
 998
 999 static int
1000 e1000_setup_desc_rings(struct e1000_adapter *adapter)
1001 {
1002         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1003         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1004         struct pci_dev *pdev = adapter->pdev;
1005         uint32_t rctl;
1006         int size, i, ret_val;
1007
1008         /* Setup Tx descriptor ring and Tx buffers */
1009
1010         if(!txdr->count)
1011                 txdr->count = E1000_DEFAULT_TXD;
1012
1013         size = txdr->count * sizeof(struct e1000_buffer);
1014         if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1015                 ret_val = 1;
1016                 goto err_nomem;
1017         }
1018         memset(txdr->buffer_info, 0, size);
1019
1020         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1021         E1000_ROUNDUP(txdr->size, 4096);
1022         if(!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
1023                 ret_val = 2;
1024                 goto err_nomem;
1025         }
1026         memset(txdr->desc, 0, txdr->size);
1027         txdr->next_to_use = txdr->next_to_clean = 0;
1028
1029         E1000_WRITE_REG(&adapter->hw, TDBAL,
1030                         ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
1031         E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
1032         E1000_WRITE_REG(&adapter->hw, TDLEN,
1033                         txdr->count * sizeof(struct e1000_tx_desc));
1034         E1000_WRITE_REG(&adapter->hw, TDH, 0);
1035         E1000_WRITE_REG(&adapter->hw, TDT, 0);
1036         E1000_WRITE_REG(&adapter->hw, TCTL,
1037                         E1000_TCTL_PSP | E1000_TCTL_EN |
1038                         E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1039                         E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1040
1041         for(i = 0; i < txdr->count; i++) {
1042                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1043                 struct sk_buff *skb;
1044                 unsigned int size = 1024;
1045
1046                 if(!(skb = alloc_skb(size, GFP_KERNEL))) {
1047                         ret_val = 3;
1048                         goto err_nomem;
1049                 }
1050                 skb_put(skb, size);
1051                 txdr->buffer_info[i].skb = skb;
1052                 txdr->buffer_info[i].length = skb->len;
1053                 txdr->buffer_info[i].dma =
1054                         pci_map_single(pdev, skb->data, skb->len,
1055                                        PCI_DMA_TODEVICE);
1056                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1057                 tx_desc->lower.data = cpu_to_le32(skb->len);
1058                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1059                                                    E1000_TXD_CMD_IFCS |
1060                                                    E1000_TXD_CMD_RPS);
1061                 tx_desc->upper.data = 0;
1062         }
1063
1064         /* Setup Rx descriptor ring and Rx buffers */
1065
1066         if(!rxdr->count)
1067                 rxdr->count = E1000_DEFAULT_RXD;
1068
1069         size = rxdr->count * sizeof(struct e1000_buffer);
1070         if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1071                 ret_val = 4;
1072                 goto err_nomem;
1073         }
1074         memset(rxdr->buffer_info, 0, size);
1075
1076         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1077         if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
1078                 ret_val = 5;
1079                 goto err_nomem;
1080         }
1081         memset(rxdr->desc, 0, rxdr->size);
1082         rxdr->next_to_use = rxdr->next_to_clean = 0;
1083
1084         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1085         E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
1086         E1000_WRITE_REG(&adapter->hw, RDBAL,
1087                         ((uint64_t) rxdr->dma & 0xFFFFFFFF));
1088         E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
1089         E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1090         E1000_WRITE_REG(&adapter->hw, RDH, 0);
1091         E1000_WRITE_REG(&adapter->hw, RDT, 0);
1092         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1093                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1094                 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1095         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1096
1097         for(i = 0; i < rxdr->count; i++) {
1098                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1099                 struct sk_buff *skb;
1100
1101                 if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1102                                 GFP_KERNEL))) {
1103                         ret_val = 6;
1104                         goto err_nomem;
1105                 }
1106                 skb_reserve(skb, NET_IP_ALIGN);
1107                 rxdr->buffer_info[i].skb = skb;
1108                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1109                 rxdr->buffer_info[i].dma =
1110                         pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1111                                        PCI_DMA_FROMDEVICE);
1112                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1113                 memset(skb->data, 0x00, skb->len);
1114         }
1115
1116         return 0;
1117
1118 err_nomem:
1119         e1000_free_desc_rings(adapter);
1120         return ret_val;
1121 }
1122
1123 static void
1124 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1125 {
1126         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1127         e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1128         e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1129         e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1130         e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1131 }
1132
1133 static void
1134 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1135 {
1136         uint16_t phy_reg;
1137
1138         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1139          * Extended PHY Specific Control Register to 25MHz clock.  This
1140          * value defaults back to a 2.5MHz clock when the PHY is reset.
1141          */
1142         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1143         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1144         e1000_write_phy_reg(&adapter->hw,
1145                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1146
1147         /* In addition, because of the s/w reset above, we need to enable
1148          * CRS on TX.  This must be set for both full and half duplex
1149          * operation.
1150          */
1151         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1152         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1153         e1000_write_phy_reg(&adapter->hw,
1154                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1155 }
1156
1157 static int
1158 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1159 {
1160         uint32_t ctrl_reg;
1161         uint16_t phy_reg;
1162
1163         /* Setup the Device Control Register for PHY loopback test. */
1164
1165         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1166         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1167                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1168                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1169                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1170                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1171
1172         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1173
1174         /* Read the PHY Specific Control Register (0x10) */
1175         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1176
1177         /* Clear Auto-Crossover bits in PHY Specific Control Register
1178          * (bits 6:5).
1179          */
1180         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1181         e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1182
1183         /* Perform software reset on the PHY */
1184         e1000_phy_reset(&adapter->hw);
1185
1186         /* Have to setup TX_CLK and TX_CRS after software reset */
1187         e1000_phy_reset_clk_and_crs(adapter);
1188
1189         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1190
1191         /* Wait for reset to complete. */
1192         udelay(500);
1193
1194         /* Have to setup TX_CLK and TX_CRS after software reset */
1195         e1000_phy_reset_clk_and_crs(adapter);
1196
1197         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1198         e1000_phy_disable_receiver(adapter);
1199
1200         /* Set the loopback bit in the PHY control register. */
1201         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1202         phy_reg |= MII_CR_LOOPBACK;
1203         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1204
1205         /* Setup TX_CLK and TX_CRS one more time. */
1206         e1000_phy_reset_clk_and_crs(adapter);
1207
1208         /* Check Phy Configuration */
1209         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1210         if(phy_reg != 0x4100)
1211                  return 9;
1212
1213         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1214         if(phy_reg != 0x0070)
1215                 return 10;
1216
1217         e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1218         if(phy_reg != 0x001A)
1219                 return 11;
1220
1221         return 0;
1222 }
1223
1224 static int
1225 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1226 {
1227         uint32_t ctrl_reg = 0;
1228         uint32_t stat_reg = 0;
1229
1230         adapter->hw.autoneg = FALSE;
1231
1232         if(adapter->hw.phy_type == e1000_phy_m88) {
1233                 /* Auto-MDI/MDIX Off */
1234                 e1000_write_phy_reg(&adapter->hw,
1235                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1236                 /* reset to update Auto-MDI/MDIX */
1237                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1238                 /* autoneg off */
1239                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1240         }
1241         /* force 1000, set loopback */
1242         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1243
1244         /* Now set up the MAC to the same speed/duplex as the PHY. */
1245         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1246         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1247         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1248                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1249                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1250                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1251
1252         if(adapter->hw.media_type == e1000_media_type_copper &&
1253            adapter->hw.phy_type == e1000_phy_m88) {
1254                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1255         } else {
1256                 /* Set the ILOS bit on the fiber Nic is half
1257                  * duplex link is detected. */
1258                 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1259                 if((stat_reg & E1000_STATUS_FD) == 0)
1260                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1261         }
1262
1263         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1264
1265         /* Disable the receiver on the PHY so when a cable is plugged in, the
1266          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1267          */
1268         if(adapter->hw.phy_type == e1000_phy_m88)
1269                 e1000_phy_disable_receiver(adapter);
1270
1271         udelay(500);
1272
1273         return 0;
1274 }
1275
1276 static int
1277 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1278 {
1279         uint16_t phy_reg = 0;
1280         uint16_t count = 0;
1281
1282         switch (adapter->hw.mac_type) {
1283         case e1000_82543:
1284                 if(adapter->hw.media_type == e1000_media_type_copper) {
1285                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1286                          * Some PHY registers get corrupted at random, so
1287                          * attempt this 10 times.
1288                          */
1289                         while(e1000_nonintegrated_phy_loopback(adapter) &&
1290                               count++ < 10);
1291                         if(count < 11)
1292                                 return 0;
1293                 }
1294                 break;
1295
1296         case e1000_82544:
1297         case e1000_82540:
1298         case e1000_82545:
1299         case e1000_82545_rev_3:
1300         case e1000_82546:
1301         case e1000_82546_rev_3:
1302         case e1000_82541:
1303         case e1000_82541_rev_2:
1304         case e1000_82547:
1305         case e1000_82547_rev_2:
1306         case e1000_82571:
1307         case e1000_82572:
1308         case e1000_82573:
1309                 return e1000_integrated_phy_loopback(adapter);
1310                 break;
1311
1312         default:
1313                 /* Default PHY loopback work is to read the MII
1314                  * control register and assert bit 14 (loopback mode).
1315                  */
1316                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1317                 phy_reg |= MII_CR_LOOPBACK;
1318                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1319                 return 0;
1320                 break;
1321         }
1322
1323         return 8;
1324 }
1325
1326 static int
1327 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1328 {
1329         uint32_t rctl;
1330
1331         if(adapter->hw.media_type == e1000_media_type_fiber ||
1332            adapter->hw.media_type == e1000_media_type_internal_serdes) {
1333                 if(adapter->hw.mac_type == e1000_82545 ||
1334                    adapter->hw.mac_type == e1000_82546 ||
1335                    adapter->hw.mac_type == e1000_82545_rev_3 ||
1336                    adapter->hw.mac_type == e1000_82546_rev_3)
1337                         return e1000_set_phy_loopback(adapter);
1338                 else {
1339                         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1340                         rctl |= E1000_RCTL_LBM_TCVR;
1341                         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1342                         return 0;
1343                 }
1344         } else if(adapter->hw.media_type == e1000_media_type_copper)
1345                 return e1000_set_phy_loopback(adapter);
1346
1347         return 7;
1348 }
1349
1350 static void
1351 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1352 {
1353         uint32_t rctl;
1354         uint16_t phy_reg;
1355
1356         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1357         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1358         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1359
1360         if(adapter->hw.media_type == e1000_media_type_copper ||
1361            ((adapter->hw.media_type == e1000_media_type_fiber ||
1362              adapter->hw.media_type == e1000_media_type_internal_serdes) &&
1363             (adapter->hw.mac_type == e1000_82545 ||
1364              adapter->hw.mac_type == e1000_82546 ||
1365              adapter->hw.mac_type == e1000_82545_rev_3 ||
1366              adapter->hw.mac_type == e1000_82546_rev_3))) {
1367                 adapter->hw.autoneg = TRUE;
1368                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1369                 if(phy_reg & MII_CR_LOOPBACK) {
1370                         phy_reg &= ~MII_CR_LOOPBACK;
1371                         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1372                         e1000_phy_reset(&adapter->hw);
1373                 }
1374         }
1375 }
1376
1377 static void
1378 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1379 {
1380         memset(skb->data, 0xFF, frame_size);
1381         frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1382         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1383         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1384         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1385 }
1386
1387 static int
1388 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1389 {
1390         frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1391         if(*(skb->data + 3) == 0xFF) {
1392                 if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1393                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1394                         return 0;
1395                 }
1396         }
1397         return 13;
1398 }
1399
1400 static int
1401 e1000_run_loopback_test(struct e1000_adapter *adapter)
1402 {
1403         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1404         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1405         struct pci_dev *pdev = adapter->pdev;
1406         int i, j, k, l, lc, good_cnt, ret_val=0;
1407         unsigned long time;
1408
1409         E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1410
1411         /* Calculate the loop count based on the largest descriptor ring
1412          * The idea is to wrap the largest ring a number of times using 64
1413          * send/receive pairs during each loop
1414          */
1415
1416         if(rxdr->count <= txdr->count)
1417                 lc = ((txdr->count / 64) * 2) + 1;
1418         else
1419                 lc = ((rxdr->count / 64) * 2) + 1;
1420
1421         k = l = 0;
1422         for(j = 0; j <= lc; j++) { /* loop count loop */
1423                 for(i = 0; i < 64; i++) { /* send the packets */
1424                         e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1425                                         1024);
1426                         pci_dma_sync_single_for_device(pdev,
1427                                         txdr->buffer_info[k].dma,
1428                                         txdr->buffer_info[k].length,
1429                                         PCI_DMA_TODEVICE);
1430                         if(unlikely(++k == txdr->count)) k = 0;
1431                 }
1432                 E1000_WRITE_REG(&adapter->hw, TDT, k);
1433                 msec_delay(200);
1434                 time = jiffies; /* set the start time for the receive */
1435                 good_cnt = 0;
1436                 do { /* receive the sent packets */
1437                         pci_dma_sync_single_for_cpu(pdev,
1438                                         rxdr->buffer_info[l].dma,
1439                                         rxdr->buffer_info[l].length,
1440                                         PCI_DMA_FROMDEVICE);
1441
1442                         ret_val = e1000_check_lbtest_frame(
1443                                         rxdr->buffer_info[l].skb,
1444                                         1024);
1445                         if(!ret_val)
1446                                 good_cnt++;
1447                         if(unlikely(++l == rxdr->count)) l = 0;
1448                         /* time + 20 msecs (200 msecs on 2.4) is more than
1449                          * enough time to complete the receives, if it's
1450                          * exceeded, break and error off
1451                          */
1452                 } while (good_cnt < 64 && jiffies < (time + 20));
1453                 if(good_cnt != 64) {
1454                         ret_val = 13; /* ret_val is the same as mis-compare */
1455                         break;
1456                 }
1457                 if(jiffies >= (time + 2)) {
1458                         ret_val = 14; /* error code for time out error */
1459                         break;
1460                 }
1461         } /* end loop count loop */
1462         return ret_val;
1463 }
1464
1465 static int
1466 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1467 {
1468         /* PHY loopback cannot be performed if SoL/IDER
1469          * sessions are active */
1470         if (e1000_check_phy_reset_block(&adapter->hw)) {
1471                 DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
1472                         "when SoL/IDER is active.\n");
1473                 *data = 0;
1474                 goto out;
1475         }
1476
1477         if ((*data = e1000_setup_desc_rings(adapter)))
1478                 goto out;
1479         if ((*data = e1000_setup_loopback_test(adapter)))
1480                 goto err_loopback;
1481         *data = e1000_run_loopback_test(adapter);
1482         e1000_loopback_cleanup(adapter);
1483
1484 err_loopback:
1485         e1000_free_desc_rings(adapter);
1486 out:
1487         return *data;
1488 }
1489
1490 static int
1491 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1492 {
1493         *data = 0;
1494         if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1495                 int i = 0;
1496                 adapter->hw.serdes_link_down = TRUE;
1497
1498                 /* On some blade server designs, link establishment
1499                  * could take as long as 2-3 minutes */
1500                 do {
1501                         e1000_check_for_link(&adapter->hw);
1502                         if (adapter->hw.serdes_link_down == FALSE)
1503                                 return *data;
1504                         msec_delay(20);
1505                 } while (i++ < 3750);
1506
1507                 *data = 1;
1508         } else {
1509                 e1000_check_for_link(&adapter->hw);
1510                 if(adapter->hw.autoneg)  /* if auto_neg is set wait for it */
1511                         msec_delay(4000);
1512
1513                 if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1514                         *data = 1;
1515                 }
1516         }
1517         return *data;
1518 }
1519
1520 static int
1521 e1000_diag_test_count(struct net_device *netdev)
1522 {
1523         return E1000_TEST_LEN;
1524 }
1525
1526 static void
1527 e1000_diag_test(struct net_device *netdev,
1528                    struct ethtool_test *eth_test, uint64_t *data)
1529 {
1530         struct e1000_adapter *adapter = netdev_priv(netdev);
1531         boolean_t if_running = netif_running(netdev);
1532
1533         if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
1534                 /* Offline tests */
1535
1536                 /* save speed, duplex, autoneg settings */
1537                 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1538                 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1539                 uint8_t autoneg = adapter->hw.autoneg;
1540
1541                 /* Link test performed before hardware reset so autoneg doesn't
1542                  * interfere with test result */
1543                 if(e1000_link_test(adapter, &data[4]))
1544                         eth_test->flags |= ETH_TEST_FL_FAILED;
1545
1546                 if(if_running)
1547                         e1000_down(adapter);
1548                 else
1549                         e1000_reset(adapter);
1550
1551                 if(e1000_reg_test(adapter, &data[0]))
1552                         eth_test->flags |= ETH_TEST_FL_FAILED;
1553
1554                 e1000_reset(adapter);
1555                 if(e1000_eeprom_test(adapter, &data[1]))
1556                         eth_test->flags |= ETH_TEST_FL_FAILED;
1557
1558                 e1000_reset(adapter);
1559                 if(e1000_intr_test(adapter, &data[2]))
1560                         eth_test->flags |= ETH_TEST_FL_FAILED;
1561
1562                 e1000_reset(adapter);
1563                 if(e1000_loopback_test(adapter, &data[3]))
1564                         eth_test->flags |= ETH_TEST_FL_FAILED;
1565
1566                 /* restore speed, duplex, autoneg settings */
1567                 adapter->hw.autoneg_advertised = autoneg_advertised;
1568                 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1569                 adapter->hw.autoneg = autoneg;
1570
1571                 e1000_reset(adapter);
1572                 if(if_running)
1573                         e1000_up(adapter);
1574         } else {
1575                 /* Online tests */
1576                 if(e1000_link_test(adapter, &data[4]))
1577                         eth_test->flags |= ETH_TEST_FL_FAILED;
1578
1579                 /* Offline tests aren't run; pass by default */
1580                 data[0] = 0;
1581                 data[1] = 0;
1582                 data[2] = 0;
1583                 data[3] = 0;
1584         }
1585         msleep_interruptible(4 * 1000);
1586 }
1587
1588 static void
1589 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1590 {
1591         struct e1000_adapter *adapter = netdev_priv(netdev);
1592         struct e1000_hw *hw = &adapter->hw;
1593
1594         switch(adapter->hw.device_id) {
1595         case E1000_DEV_ID_82542:
1596         case E1000_DEV_ID_82543GC_FIBER:
1597         case E1000_DEV_ID_82543GC_COPPER:
1598         case E1000_DEV_ID_82544EI_FIBER:
1599         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1600         case E1000_DEV_ID_82545EM_FIBER:
1601         case E1000_DEV_ID_82545EM_COPPER:
1602                 wol->supported = 0;
1603                 wol->wolopts   = 0;
1604                 return;
1605
1606         case E1000_DEV_ID_82546EB_FIBER:
1607         case E1000_DEV_ID_82546GB_FIBER:
1608                 /* Wake events only supported on port A for dual fiber */
1609                 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1610                         wol->supported = 0;
1611                         wol->wolopts   = 0;
1612                         return;
1613                 }
1614                 /* Fall Through */
1615
1616         default:
1617                 wol->supported = WAKE_UCAST | WAKE_MCAST |
1618                                  WAKE_BCAST | WAKE_MAGIC;
1619
1620                 wol->wolopts = 0;
1621                 if(adapter->wol & E1000_WUFC_EX)
1622                         wol->wolopts |= WAKE_UCAST;
1623                 if(adapter->wol & E1000_WUFC_MC)
1624                         wol->wolopts |= WAKE_MCAST;
1625                 if(adapter->wol & E1000_WUFC_BC)
1626                         wol->wolopts |= WAKE_BCAST;
1627                 if(adapter->wol & E1000_WUFC_MAG)
1628                         wol->wolopts |= WAKE_MAGIC;
1629                 return;
1630         }
1631 }
1632
1633 static int
1634 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1635 {
1636         struct e1000_adapter *adapter = netdev_priv(netdev);
1637         struct e1000_hw *hw = &adapter->hw;
1638
1639         switch(adapter->hw.device_id) {
1640         case E1000_DEV_ID_82542:
1641         case E1000_DEV_ID_82543GC_FIBER:
1642         case E1000_DEV_ID_82543GC_COPPER:
1643         case E1000_DEV_ID_82544EI_FIBER:
1644         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1645         case E1000_DEV_ID_82545EM_FIBER:
1646         case E1000_DEV_ID_82545EM_COPPER:
1647                 return wol->wolopts ? -EOPNOTSUPP : 0;
1648
1649         case E1000_DEV_ID_82546EB_FIBER:
1650         case E1000_DEV_ID_82546GB_FIBER:
1651                 /* Wake events only supported on port A for dual fiber */
1652                 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
1653                         return wol->wolopts ? -EOPNOTSUPP : 0;
1654                 /* Fall Through */
1655
1656         default:
1657                 if(wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1658                         return -EOPNOTSUPP;
1659
1660                 adapter->wol = 0;
1661
1662                 if(wol->wolopts & WAKE_UCAST)
1663                         adapter->wol |= E1000_WUFC_EX;
1664                 if(wol->wolopts & WAKE_MCAST)
1665                         adapter->wol |= E1000_WUFC_MC;
1666                 if(wol->wolopts & WAKE_BCAST)
1667                         adapter->wol |= E1000_WUFC_BC;
1668                 if(wol->wolopts & WAKE_MAGIC)
1669                         adapter->wol |= E1000_WUFC_MAG;
1670         }
1671
1672         return 0;
1673 }
1674
1675 /* toggle LED 4 times per second = 2 "blinks" per second */
1676 #define E1000_ID_INTERVAL       (HZ/4)
1677
1678 /* bit defines for adapter->led_status */
1679 #define E1000_LED_ON            0
1680
1681 static void
1682 e1000_led_blink_callback(unsigned long data)
1683 {
1684         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1685
1686         if(test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1687                 e1000_led_off(&adapter->hw);
1688         else
1689                 e1000_led_on(&adapter->hw);
1690
1691         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1692 }
1693
1694 static int
1695 e1000_phys_id(struct net_device *netdev, uint32_t data)
1696 {
1697         struct e1000_adapter *adapter = netdev_priv(netdev);
1698
1699         if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1700                 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1701
1702         if(adapter->hw.mac_type < e1000_82571) {
1703                 if(!adapter->blink_timer.function) {
1704                         init_timer(&adapter->blink_timer);
1705                         adapter->blink_timer.function = e1000_led_blink_callback;
1706                         adapter->blink_timer.data = (unsigned long) adapter;
1707                 }
1708                 e1000_setup_led(&adapter->hw);
1709                 mod_timer(&adapter->blink_timer, jiffies);
1710                 msleep_interruptible(data * 1000);
1711                 del_timer_sync(&adapter->blink_timer);
1712         } else if (adapter->hw.mac_type < e1000_82573) {
1713                 E1000_WRITE_REG(&adapter->hw, LEDCTL,
1714                         (E1000_LEDCTL_LED2_BLINK_RATE |
1715                          E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
1716                          (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1717                          (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
1718                          (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
1719                 msleep_interruptible(data * 1000);
1720         } else {
1721                 E1000_WRITE_REG(&adapter->hw, LEDCTL,
1722                         (E1000_LEDCTL_LED2_BLINK_RATE |
1723                          E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
1724                          (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1725                          (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
1726                          (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
1727                 msleep_interruptible(data * 1000);
1728         }
1729
1730         e1000_led_off(&adapter->hw);
1731         clear_bit(E1000_LED_ON, &adapter->led_status);
1732         e1000_cleanup_led(&adapter->hw);
1733
1734         return 0;
1735 }
1736
1737 static int
1738 e1000_nway_reset(struct net_device *netdev)
1739 {
1740         struct e1000_adapter *adapter = netdev_priv(netdev);
1741         if(netif_running(netdev)) {
1742                 e1000_down(adapter);
1743                 e1000_up(adapter);
1744         }
1745         return 0;
1746 }
1747
1748 static int
1749 e1000_get_stats_count(struct net_device *netdev)
1750 {
1751         return E1000_STATS_LEN;
1752 }
1753
1754 static void
1755 e1000_get_ethtool_stats(struct net_device *netdev,
1756                 struct ethtool_stats *stats, uint64_t *data)
1757 {
1758         struct e1000_adapter *adapter = netdev_priv(netdev);
1759 #ifdef CONFIG_E1000_MQ
1760         uint64_t *queue_stat;
1761         int stat_count = sizeof(struct e1000_queue_stats) / sizeof(uint64_t);
1762         int j, k;
1763 #endif
1764         int i;
1765
1766         e1000_update_stats(adapter);
1767         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1768                 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1769                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1770                         sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1771         }
1772 #ifdef CONFIG_E1000_MQ
1773         for (j = 0; j < adapter->num_tx_queues; j++) {
1774                 queue_stat = (uint64_t *)&adapter->tx_ring[j].tx_stats;
1775                 for (k = 0; k < stat_count; k++)
1776                         data[i + k] = queue_stat[k];
1777                 i += k;
1778         }
1779         for (j = 0; j < adapter->num_rx_queues; j++) {
1780                 queue_stat = (uint64_t *)&adapter->rx_ring[j].rx_stats;
1781                 for (k = 0; k < stat_count; k++)
1782                         data[i + k] = queue_stat[k];
1783                 i += k;
1784         }
1785 #endif
1786 /*      BUG_ON(i != E1000_STATS_LEN); */
1787 }
1788
1789 static void
1790 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1791 {
1792 #ifdef CONFIG_E1000_MQ
1793         struct e1000_adapter *adapter = netdev_priv(netdev);
1794 #endif
1795         uint8_t *p = data;
1796         int i;
1797
1798         switch(stringset) {
1799         case ETH_SS_TEST:
1800                 memcpy(data, *e1000_gstrings_test,
1801                         E1000_TEST_LEN*ETH_GSTRING_LEN);
1802                 break;
1803         case ETH_SS_STATS:
1804                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1805                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1806                                ETH_GSTRING_LEN);
1807                         p += ETH_GSTRING_LEN;
1808                 }
1809 #ifdef CONFIG_E1000_MQ
1810                 for (i = 0; i < adapter->num_tx_queues; i++) {
1811                         sprintf(p, "tx_queue_%u_packets", i);
1812                         p += ETH_GSTRING_LEN;
1813                         sprintf(p, "tx_queue_%u_bytes", i);
1814                         p += ETH_GSTRING_LEN;
1815                 }
1816                 for (i = 0; i < adapter->num_rx_queues; i++) {
1817                         sprintf(p, "rx_queue_%u_packets", i);
1818                         p += ETH_GSTRING_LEN;
1819                         sprintf(p, "rx_queue_%u_bytes", i);
1820                         p += ETH_GSTRING_LEN;
1821                 }
1822 #endif
1823 /*              BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1824                 break;
1825         }
1826 }
1827
1828 static struct ethtool_ops e1000_ethtool_ops = {
1829         .get_settings           = e1000_get_settings,
1830         .set_settings           = e1000_set_settings,
1831         .get_drvinfo            = e1000_get_drvinfo,
1832         .get_regs_len           = e1000_get_regs_len,
1833         .get_regs               = e1000_get_regs,
1834         .get_wol                = e1000_get_wol,
1835         .set_wol                = e1000_set_wol,
1836         .get_msglevel           = e1000_get_msglevel,
1837         .set_msglevel           = e1000_set_msglevel,
1838         .nway_reset             = e1000_nway_reset,
1839         .get_link               = ethtool_op_get_link,
1840         .get_eeprom_len         = e1000_get_eeprom_len,
1841         .get_eeprom             = e1000_get_eeprom,
1842         .set_eeprom             = e1000_set_eeprom,
1843         .get_ringparam          = e1000_get_ringparam,
1844         .set_ringparam          = e1000_set_ringparam,
1845         .get_pauseparam         = e1000_get_pauseparam,
1846         .set_pauseparam         = e1000_set_pauseparam,
1847         .get_rx_csum            = e1000_get_rx_csum,
1848         .set_rx_csum            = e1000_set_rx_csum,
1849         .get_tx_csum            = e1000_get_tx_csum,
1850         .set_tx_csum            = e1000_set_tx_csum,
1851         .get_sg                 = ethtool_op_get_sg,
1852         .set_sg                 = ethtool_op_set_sg,
1853 #ifdef NETIF_F_TSO
1854         .get_tso                = ethtool_op_get_tso,
1855         .set_tso                = e1000_set_tso,
1856 #endif
1857         .self_test_count        = e1000_diag_test_count,
1858         .self_test              = e1000_diag_test,
1859         .get_strings            = e1000_get_strings,
1860         .phys_id                = e1000_phys_id,
1861         .get_stats_count        = e1000_get_stats_count,
1862         .get_ethtool_stats      = e1000_get_ethtool_stats,
1863         .get_perm_addr          = ethtool_op_get_perm_addr,
1864 };
1865
1866 void e1000_set_ethtool_ops(struct net_device *netdev)
1867 {
1868         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1869 }