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

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