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         if(ecmd->autoneg == AUTONEG_ENABLE) {
 187                 hw->autoneg = 1;
 188                 if(hw->media_type == e1000_media_type_fiber)
 189                         hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
 190                                      ADVERTISED_FIBRE |
 191                                      ADVERTISED_Autoneg;
 192                 else
 193                         hw->autoneg_advertised = ADVERTISED_10baseT_Half |
 194                                                   ADVERTISED_10baseT_Full |
 195                                                   ADVERTISED_100baseT_Half |
 196                                                   ADVERTISED_100baseT_Full |
 197                                                   ADVERTISED_1000baseT_Full|
 198                                                   ADVERTISED_Autoneg |
 199                                                   ADVERTISED_TP;
 200                 ecmd->advertising = hw->autoneg_advertised;
 201         } else
 202                 if(e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
 203                         return -EINVAL;
 204
 205         /* reset the link */
 206
 207         if(netif_running(adapter->netdev)) {
 208                 e1000_down(adapter);
 209                 e1000_reset(adapter);
 210                 e1000_up(adapter);
 211         } else
 212                 e1000_reset(adapter);
 213
 214         return 0;
 215 }
 216
 217 static void
 218 e1000_get_pauseparam(struct net_device *netdev,
 219                      struct ethtool_pauseparam *pause)
 220 {
 221         struct e1000_adapter *adapter = netdev_priv(netdev);
 222         struct e1000_hw *hw = &adapter->hw;
 223
 224         pause->autoneg =
 225                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 226
 227         if(hw->fc == e1000_fc_rx_pause)
 228                 pause->rx_pause = 1;
 229         else if(hw->fc == e1000_fc_tx_pause)
 230                 pause->tx_pause = 1;
 231         else if(hw->fc == e1000_fc_full) {
 232                 pause->rx_pause = 1;
 233                 pause->tx_pause = 1;
 234         }
 235 }
 236
 237 static int
 238 e1000_set_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         adapter->fc_autoneg = pause->autoneg;
 245
 246         if(pause->rx_pause && pause->tx_pause)
 247                 hw->fc = e1000_fc_full;
 248         else if(pause->rx_pause && !pause->tx_pause)
 249                 hw->fc = e1000_fc_rx_pause;
 250         else if(!pause->rx_pause && pause->tx_pause)
 251                 hw->fc = e1000_fc_tx_pause;
 252         else if(!pause->rx_pause && !pause->tx_pause)
 253                 hw->fc = e1000_fc_none;
 254
 255         hw->original_fc = hw->fc;
 256
 257         if(adapter->fc_autoneg == AUTONEG_ENABLE) {
 258                 if(netif_running(adapter->netdev)) {
 259                         e1000_down(adapter);
 260                         e1000_up(adapter);
 261                 } else
 262                         e1000_reset(adapter);
 263         }
 264         else
 265                 return ((hw->media_type == e1000_media_type_fiber) ?
 266                         e1000_setup_link(hw) : e1000_force_mac_fc(hw));
 267
 268         return 0;
 269 }
 270
 271 static uint32_t
 272 e1000_get_rx_csum(struct net_device *netdev)
 273 {
 274         struct e1000_adapter *adapter = netdev_priv(netdev);
 275         return adapter->rx_csum;
 276 }
 277
 278 static int
 279 e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
 280 {
 281         struct e1000_adapter *adapter = netdev_priv(netdev);
 282         adapter->rx_csum = data;
 283
 284         if(netif_running(netdev)) {
 285                 e1000_down(adapter);
 286                 e1000_up(adapter);
 287         } else
 288                 e1000_reset(adapter);
 289         return 0;
 290 }
 291
 292 static uint32_t
 293 e1000_get_tx_csum(struct net_device *netdev)
 294 {
 295         return (netdev->features & NETIF_F_HW_CSUM) != 0;
 296 }
 297
 298 static int
 299 e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
 300 {
 301         struct e1000_adapter *adapter = netdev_priv(netdev);
 302
 303         if(adapter->hw.mac_type < e1000_82543) {
 304                 if (!data)
 305                         return -EINVAL;
 306                 return 0;
 307         }
 308
 309         if (data)
 310                 netdev->features |= NETIF_F_HW_CSUM;
 311         else
 312                 netdev->features &= ~NETIF_F_HW_CSUM;
 313
 314         return 0;
 315 }
 316
 317 #ifdef NETIF_F_TSO
 318 static int
 319 e1000_set_tso(struct net_device *netdev, uint32_t data)
 320 {
 321         struct e1000_adapter *adapter = netdev_priv(netdev);
 322         if((adapter->hw.mac_type < e1000_82544) ||
 323             (adapter->hw.mac_type == e1000_82547))
 324                 return data ? -EINVAL : 0;
 325
 326         if (data)
 327                 netdev->features |= NETIF_F_TSO;
 328         else
 329                 netdev->features &= ~NETIF_F_TSO;
 330         return 0;
 331 }
 332 #endif /* NETIF_F_TSO */
 333
 334 static uint32_t
 335 e1000_get_msglevel(struct net_device *netdev)
 336 {
 337         struct e1000_adapter *adapter = netdev_priv(netdev);
 338         return adapter->msg_enable;
 339 }
 340
 341 static void
 342 e1000_set_msglevel(struct net_device *netdev, uint32_t data)
 343 {
 344         struct e1000_adapter *adapter = netdev_priv(netdev);
 345         adapter->msg_enable = data;
 346 }
 347
 348 static int
 349 e1000_get_regs_len(struct net_device *netdev)
 350 {
 351 #define E1000_REGS_LEN 32
 352         return E1000_REGS_LEN * sizeof(uint32_t);
 353 }
 354
 355 static void
 356 e1000_get_regs(struct net_device *netdev,
 357                struct ethtool_regs *regs, void *p)
 358 {
 359         struct e1000_adapter *adapter = netdev_priv(netdev);
 360         struct e1000_hw *hw = &adapter->hw;
 361         uint32_t *regs_buff = p;
 362         uint16_t phy_data;
 363
 364         memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));
 365
 366         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 367
 368         regs_buff[0]  = E1000_READ_REG(hw, CTRL);
 369         regs_buff[1]  = E1000_READ_REG(hw, STATUS);
 370
 371         regs_buff[2]  = E1000_READ_REG(hw, RCTL);
 372         regs_buff[3]  = E1000_READ_REG(hw, RDLEN);
 373         regs_buff[4]  = E1000_READ_REG(hw, RDH);
 374         regs_buff[5]  = E1000_READ_REG(hw, RDT);
 375         regs_buff[6]  = E1000_READ_REG(hw, RDTR);
 376
 377         regs_buff[7]  = E1000_READ_REG(hw, TCTL);
 378         regs_buff[8]  = E1000_READ_REG(hw, TDLEN);
 379         regs_buff[9]  = E1000_READ_REG(hw, TDH);
 380         regs_buff[10] = E1000_READ_REG(hw, TDT);
 381         regs_buff[11] = E1000_READ_REG(hw, TIDV);
 382
 383         regs_buff[12] = adapter->hw.phy_type;  /* PHY type (IGP=1, M88=0) */
 384         if(hw->phy_type == e1000_phy_igp) {
 385                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 386                                     IGP01E1000_PHY_AGC_A);
 387                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
 388                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 389                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 390                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 391                                     IGP01E1000_PHY_AGC_B);
 392                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
 393                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 394                 regs_buff[14] = (uint32_t)phy_data; /* cable length */
 395                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 396                                     IGP01E1000_PHY_AGC_C);
 397                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
 398                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 399                 regs_buff[15] = (uint32_t)phy_data; /* cable length */
 400                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 401                                     IGP01E1000_PHY_AGC_D);
 402                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
 403                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 404                 regs_buff[16] = (uint32_t)phy_data; /* cable length */
 405                 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
 406                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 407                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
 408                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 409                 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
 410                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 411                                     IGP01E1000_PHY_PCS_INIT_REG);
 412                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
 413                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 414                 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
 415                 regs_buff[20] = 0; /* polarity correction enabled (always) */
 416                 regs_buff[22] = 0; /* phy receive errors (unavailable) */
 417                 regs_buff[23] = regs_buff[18]; /* mdix mode */
 418                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 419         } else {
 420                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 421                 regs_buff[13] = (uint32_t)phy_data; /* cable length */
 422                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 423                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 424                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 425                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 426                 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
 427                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 428                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 429                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 430                 /* phy receive errors */
 431                 regs_buff[22] = adapter->phy_stats.receive_errors;
 432                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 433         }
 434         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 435         e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
 436         regs_buff[24] = (uint32_t)phy_data;  /* phy local receiver status */
 437         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 438         if(hw->mac_type >= e1000_82540 &&
 439            hw->media_type == e1000_media_type_copper) {
 440                 regs_buff[26] = E1000_READ_REG(hw, MANC);
 441         }
 442 }
 443
 444 static int
 445 e1000_get_eeprom_len(struct net_device *netdev)
 446 {
 447         struct e1000_adapter *adapter = netdev_priv(netdev);
 448         return adapter->hw.eeprom.word_size * 2;
 449 }
 450
 451 static int
 452 e1000_get_eeprom(struct net_device *netdev,
 453                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 454 {
 455         struct e1000_adapter *adapter = netdev_priv(netdev);
 456         struct e1000_hw *hw = &adapter->hw;
 457         uint16_t *eeprom_buff;
 458         int first_word, last_word;
 459         int ret_val = 0;
 460         uint16_t i;
 461
 462         if(eeprom->len == 0)
 463                 return -EINVAL;
 464
 465         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 466
 467         first_word = eeprom->offset >> 1;
 468         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 469
 470         eeprom_buff = kmalloc(sizeof(uint16_t) *
 471                         (last_word - first_word + 1), GFP_KERNEL);
 472         if(!eeprom_buff)
 473                 return -ENOMEM;
 474
 475         if(hw->eeprom.type == e1000_eeprom_spi)
 476                 ret_val = e1000_read_eeprom(hw, first_word,
 477                                             last_word - first_word + 1,
 478                                             eeprom_buff);
 479         else {
 480                 for (i = 0; i < last_word - first_word + 1; i++)
 481                         if((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
 482                                                         &eeprom_buff[i])))
 483                                 break;
 484         }
 485
 486         /* Device's eeprom is always little-endian, word addressable */
 487         for (i = 0; i < last_word - first_word + 1; i++)
 488                 le16_to_cpus(&eeprom_buff[i]);
 489
 490         memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
 491                         eeprom->len);
 492         kfree(eeprom_buff);
 493
 494         return ret_val;
 495 }
 496
 497 static int
 498 e1000_set_eeprom(struct net_device *netdev,
 499                       struct ethtool_eeprom *eeprom, uint8_t *bytes)
 500 {
 501         struct e1000_adapter *adapter = netdev_priv(netdev);
 502         struct e1000_hw *hw = &adapter->hw;
 503         uint16_t *eeprom_buff;
 504         void *ptr;
 505         int max_len, first_word, last_word, ret_val = 0;
 506         uint16_t i;
 507
 508         if(eeprom->len == 0)
 509                 return -EOPNOTSUPP;
 510
 511         if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 512                 return -EFAULT;
 513
 514         max_len = hw->eeprom.word_size * 2;
 515
 516         first_word = eeprom->offset >> 1;
 517         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 518         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 519         if(!eeprom_buff)
 520                 return -ENOMEM;
 521
 522         ptr = (void *)eeprom_buff;
 523
 524         if(eeprom->offset & 1) {
 525                 /* need read/modify/write of first changed EEPROM word */
 526                 /* only the second byte of the word is being modified */
 527                 ret_val = e1000_read_eeprom(hw, first_word, 1,
 528                                             &eeprom_buff[0]);
 529                 ptr++;
 530         }
 531         if(((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 532                 /* need read/modify/write of last changed EEPROM word */
 533                 /* only the first byte of the word is being modified */
 534                 ret_val = e1000_read_eeprom(hw, last_word, 1,
 535                                   &eeprom_buff[last_word - first_word]);
 536         }
 537
 538         /* Device's eeprom is always little-endian, word addressable */
 539         for (i = 0; i < last_word - first_word + 1; i++)
 540                 le16_to_cpus(&eeprom_buff[i]);
 541
 542         memcpy(ptr, bytes, eeprom->len);
 543
 544         for (i = 0; i < last_word - first_word + 1; i++)
 545                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 546
 547         ret_val = e1000_write_eeprom(hw, first_word,
 548                                      last_word - first_word + 1, eeprom_buff);
 549
 550         /* Update the checksum over the first part of the EEPROM if needed
 551          * and flush shadow RAM for 82573 conrollers */
 552         if((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) ||
 553                                 (hw->mac_type == e1000_82573)))
 554                 e1000_update_eeprom_checksum(hw);
 555
 556         kfree(eeprom_buff);
 557         return ret_val;
 558 }
 559
 560 static void
 561 e1000_get_drvinfo(struct net_device *netdev,
 562                        struct ethtool_drvinfo *drvinfo)
 563 {
 564         struct e1000_adapter *adapter = netdev_priv(netdev);
 565
 566         strncpy(drvinfo->driver,  e1000_driver_name, 32);
 567         strncpy(drvinfo->version, e1000_driver_version, 32);
 568         strncpy(drvinfo->fw_version, "N/A", 32);
 569         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 570         drvinfo->n_stats = E1000_STATS_LEN;
 571         drvinfo->testinfo_len = E1000_TEST_LEN;
 572         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 573         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 574 }
 575
 576 static void
 577 e1000_get_ringparam(struct net_device *netdev,
 578                     struct ethtool_ringparam *ring)
 579 {
 580         struct e1000_adapter *adapter = netdev_priv(netdev);
 581         e1000_mac_type mac_type = adapter->hw.mac_type;
 582         struct e1000_tx_ring *txdr = adapter->tx_ring;
 583         struct e1000_rx_ring *rxdr = adapter->rx_ring;
 584
 585         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 586                 E1000_MAX_82544_RXD;
 587         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 588                 E1000_MAX_82544_TXD;
 589         ring->rx_mini_max_pending = 0;
 590         ring->rx_jumbo_max_pending = 0;
 591         ring->rx_pending = rxdr->count;
 592         ring->tx_pending = txdr->count;
 593         ring->rx_mini_pending = 0;
 594         ring->rx_jumbo_pending = 0;
 595 }
 596
 597 static int
 598 e1000_set_ringparam(struct net_device *netdev,
 599                     struct ethtool_ringparam *ring)
 600 {
 601         struct e1000_adapter *adapter = netdev_priv(netdev);
 602         e1000_mac_type mac_type = adapter->hw.mac_type;
 603         struct e1000_tx_ring *txdr, *tx_old, *tx_new;
 604         struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
 605         int i, err, tx_ring_size, rx_ring_size;
 606
 607         tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_queues;
 608         rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_queues;
 609
 610         if (netif_running(adapter->netdev))
 611                 e1000_down(adapter);
 612
 613         tx_old = adapter->tx_ring;
 614         rx_old = adapter->rx_ring;
 615
 616         adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
 617         if (!adapter->tx_ring) {
 618                 err = -ENOMEM;
 619                 goto err_setup_rx;
 620         }
 621         memset(adapter->tx_ring, 0, tx_ring_size);
 622
 623         adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
 624         if (!adapter->rx_ring) {
 625                 kfree(adapter->tx_ring);
 626                 err = -ENOMEM;
 627                 goto err_setup_rx;
 628         }
 629         memset(adapter->rx_ring, 0, rx_ring_size);
 630
 631         txdr = adapter->tx_ring;
 632         rxdr = adapter->rx_ring;
 633
 634         if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 635                 return -EINVAL;
 636
 637         rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
 638         rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
 639                 E1000_MAX_RXD : E1000_MAX_82544_RXD));
 640         E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 641
 642         txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
 643         txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
 644                 E1000_MAX_TXD : E1000_MAX_82544_TXD));
 645         E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 646
 647         for (i = 0; i < adapter->num_queues; i++) {
 648                 txdr[i].count = txdr->count;
 649                 rxdr[i].count = rxdr->count;
 650         }
 651
 652         if(netif_running(adapter->netdev)) {
 653                 /* Try to get new resources before deleting old */
 654                 if ((err = e1000_setup_all_rx_resources(adapter)))
 655                         goto err_setup_rx;
 656                 if ((err = e1000_setup_all_tx_resources(adapter)))
 657                         goto err_setup_tx;
 658
 659                 /* save the new, restore the old in order to free it,
 660                  * then restore the new back again */
 661
 662                 rx_new = adapter->rx_ring;
 663                 tx_new = adapter->tx_ring;
 664                 adapter->rx_ring = rx_old;
 665                 adapter->tx_ring = tx_old;
 666                 e1000_free_all_rx_resources(adapter);
 667                 e1000_free_all_tx_resources(adapter);
 668                 kfree(tx_old);
 669                 kfree(rx_old);
 670                 adapter->rx_ring = rx_new;
 671                 adapter->tx_ring = tx_new;
 672                 if((err = e1000_up(adapter)))
 673                         return err;
 674         }
 675
 676         return 0;
 677 err_setup_tx:
 678         e1000_free_all_rx_resources(adapter);
 679 err_setup_rx:
 680         adapter->rx_ring = rx_old;
 681         adapter->tx_ring = tx_old;
 682         e1000_up(adapter);
 683         return err;
 684 }
 685
 686 #define REG_PATTERN_TEST(R, M, W)                                              \
 687 {                                                                              \
 688         uint32_t pat, value;                                                   \
 689         uint32_t test[] =                                                      \
 690                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};              \
 691         for(pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) {              \
 692                 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W));             \
 693                 value = E1000_READ_REG(&adapter->hw, R);                       \
 694                 if(value != (test[pat] & W & M)) {                             \
 695                         DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
 696                                 "0x%08X expected 0x%08X\n",                    \
 697                                 E1000_##R, value, (test[pat] & W & M));        \
 698                         *data = (adapter->hw.mac_type < e1000_82543) ?         \
 699                                 E1000_82542_##R : E1000_##R;                   \
 700                         return 1;                                              \
 701                 }                                                              \
 702         }                                                                      \
 703 }
 704
 705 #define REG_SET_AND_CHECK(R, M, W)                                             \
 706 {                                                                              \
 707         uint32_t value;                                                        \
 708         E1000_WRITE_REG(&adapter->hw, R, W & M);                               \
 709         value = E1000_READ_REG(&adapter->hw, R);                               \
 710         if((W & M) != (value & M)) {                                          \
 711                 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
 712                         "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
 713                 *data = (adapter->hw.mac_type < e1000_82543) ?                 \
 714                         E1000_82542_##R : E1000_##R;                           \
 715                 return 1;                                                      \
 716         }                                                                      \
 717 }
 718
 719 static int
 720 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
 721 {
 722         uint32_t value, before, after;
 723         uint32_t i, toggle;
 724
 725         /* The status register is Read Only, so a write should fail.
 726          * Some bits that get toggled are ignored.
 727          */
 728         switch (adapter->hw.mac_type) {
 729         /* there are several bits on newer hardware that are r/w */
 730         case e1000_82571:
 731         case e1000_82572:
 732                 toggle = 0x7FFFF3FF;
 733                 break;
 734         case e1000_82573:
 735                 toggle = 0x7FFFF033;
 736                 break;
 737         default:
 738                 toggle = 0xFFFFF833;
 739                 break;
 740         }
 741
 742         before = E1000_READ_REG(&adapter->hw, STATUS);
 743         value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
 744         E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
 745         after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
 746         if(value != after) {
 747                 DPRINTK(DRV, ERR, "failed STATUS register test got: "
 748                         "0x%08X expected: 0x%08X\n", after, value);
 749                 *data = 1;
 750                 return 1;
 751         }
 752         /* restore previous status */
 753         E1000_WRITE_REG(&adapter->hw, STATUS, before);
 754
 755         REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 756         REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 757         REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 758         REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 759         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 760         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 761         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 762         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 763         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 764         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 765         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 766         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 767         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 768         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 769
 770         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 771         REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
 772         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 773
 774         if(adapter->hw.mac_type >= e1000_82543) {
 775
 776                 REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF);
 777                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 778                 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 779                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 780                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 781
 782                 for(i = 0; i < E1000_RAR_ENTRIES; i++) {
 783                         REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
 784                                          0xFFFFFFFF);
 785                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 786                                          0xFFFFFFFF);
 787                 }
 788
 789         } else {
 790
 791                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 792                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 793                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 794                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 795
 796         }
 797
 798         for(i = 0; i < E1000_MC_TBL_SIZE; i++)
 799                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 800
 801         *data = 0;
 802         return 0;
 803 }
 804
 805 static int
 806 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
 807 {
 808         uint16_t temp;
 809         uint16_t checksum = 0;
 810         uint16_t i;
 811
 812         *data = 0;
 813         /* Read and add up the contents of the EEPROM */
 814         for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 815                 if((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
 816                         *data = 1;
 817                         break;
 818                 }
 819                 checksum += temp;
 820         }
 821
 822         /* If Checksum is not Correct return error else test passed */
 823         if((checksum != (uint16_t) EEPROM_SUM) && !(*data))
 824                 *data = 2;
 825
 826         return *data;
 827 }
 828
 829 static irqreturn_t
 830 e1000_test_intr(int irq,
 831                 void *data,
 832                 struct pt_regs *regs)
 833 {
 834         struct net_device *netdev = (struct net_device *) data;
 835         struct e1000_adapter *adapter = netdev_priv(netdev);
 836
 837         adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
 838
 839         return IRQ_HANDLED;
 840 }
 841
 842 static int
 843 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
 844 {
 845         struct net_device *netdev = adapter->netdev;
 846         uint32_t mask, i=0, shared_int = TRUE;
 847         uint32_t irq = adapter->pdev->irq;
 848
 849         *data = 0;
 850
 851         /* Hook up test interrupt handler just for this test */
 852         if(!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
 853                 shared_int = FALSE;
 854         } else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ,
 855                               netdev->name, netdev)){
 856                 *data = 1;
 857                 return -1;
 858         }
 859
 860         /* Disable all the interrupts */
 861         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 862         msec_delay(10);
 863
 864         /* Test each interrupt */
 865         for(; i < 10; i++) {
 866
 867                 /* Interrupt to test */
 868                 mask = 1 << i;
 869
 870                 if(!shared_int) {
 871                         /* Disable the interrupt to be reported in
 872                          * the cause register and then force the same
 873                          * interrupt and see if one gets posted.  If
 874                          * an interrupt was posted to the bus, the
 875                          * test failed.
 876                          */
 877                         adapter->test_icr = 0;
 878                         E1000_WRITE_REG(&adapter->hw, IMC, mask);
 879                         E1000_WRITE_REG(&adapter->hw, ICS, mask);
 880                         msec_delay(10);
 881
 882                         if(adapter->test_icr & mask) {
 883                                 *data = 3;
 884                                 break;
 885                         }
 886                 }
 887
 888                 /* Enable the interrupt to be reported in
 889                  * the cause register and then force the same
 890                  * interrupt and see if one gets posted.  If
 891                  * an interrupt was not posted to the bus, the
 892                  * test failed.
 893                  */
 894                 adapter->test_icr = 0;
 895                 E1000_WRITE_REG(&adapter->hw, IMS, mask);
 896                 E1000_WRITE_REG(&adapter->hw, ICS, mask);
 897                 msec_delay(10);
 898
 899                 if(!(adapter->test_icr & mask)) {
 900                         *data = 4;
 901                         break;
 902                 }
 903
 904                 if(!shared_int) {
 905                         /* Disable the other interrupts to be reported in
 906                          * the cause register and then force the other
 907                          * interrupts and see if any get posted.  If
 908                          * an interrupt was posted to the bus, the
 909                          * test failed.
 910                          */
 911                         adapter->test_icr = 0;
 912                         E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
 913                         E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
 914                         msec_delay(10);
 915
 916                         if(adapter->test_icr) {
 917                                 *data = 5;
 918                                 break;
 919                         }
 920                 }
 921         }
 922
 923         /* Disable all the interrupts */
 924         E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
 925         msec_delay(10);
 926
 927         /* Unhook test interrupt handler */
 928         free_irq(irq, netdev);
 929
 930         return *data;
 931 }
 932
 933 static void
 934 e1000_free_desc_rings(struct e1000_adapter *adapter)
 935 {
 936         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 937         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 938         struct pci_dev *pdev = adapter->pdev;
 939         int i;
 940
 941         if(txdr->desc && txdr->buffer_info) {
 942                 for(i = 0; i < txdr->count; i++) {
 943                         if(txdr->buffer_info[i].dma)
 944                                 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
 945                                                  txdr->buffer_info[i].length,
 946                                                  PCI_DMA_TODEVICE);
 947                         if(txdr->buffer_info[i].skb)
 948                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 949                 }
 950         }
 951
 952         if(rxdr->desc && rxdr->buffer_info) {
 953                 for(i = 0; i < rxdr->count; i++) {
 954                         if(rxdr->buffer_info[i].dma)
 955                                 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
 956                                                  rxdr->buffer_info[i].length,
 957                                                  PCI_DMA_FROMDEVICE);
 958                         if(rxdr->buffer_info[i].skb)
 959                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
 960                 }
 961         }
 962
 963         if(txdr->desc)
 964                 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
 965         if(rxdr->desc)
 966                 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
 967
 968         if(txdr->buffer_info)
 969                 kfree(txdr->buffer_info);
 970         if(rxdr->buffer_info)
 971                 kfree(rxdr->buffer_info);
 972
 973         return;
 974 }
 975
 976 static int
 977 e1000_setup_desc_rings(struct e1000_adapter *adapter)
 978 {
 979         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 980         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 981         struct pci_dev *pdev = adapter->pdev;
 982         uint32_t rctl;
 983         int size, i, ret_val;
 984
 985         /* Setup Tx descriptor ring and Tx buffers */
 986
 987         if(!txdr->count)
 988                 txdr->count = E1000_DEFAULT_TXD;
 989
 990         size = txdr->count * sizeof(struct e1000_buffer);
 991         if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
 992                 ret_val = 1;
 993                 goto err_nomem;
 994         }
 995         memset(txdr->buffer_info, 0, size);
 996
 997         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
 998         E1000_ROUNDUP(txdr->size, 4096);
 999         if(!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
1000                 ret_val = 2;
1001                 goto err_nomem;
1002         }
1003         memset(txdr->desc, 0, txdr->size);
1004         txdr->next_to_use = txdr->next_to_clean = 0;
1005
1006         E1000_WRITE_REG(&adapter->hw, TDBAL,
1007                         ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
1008         E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
1009         E1000_WRITE_REG(&adapter->hw, TDLEN,
1010                         txdr->count * sizeof(struct e1000_tx_desc));
1011         E1000_WRITE_REG(&adapter->hw, TDH, 0);
1012         E1000_WRITE_REG(&adapter->hw, TDT, 0);
1013         E1000_WRITE_REG(&adapter->hw, TCTL,
1014                         E1000_TCTL_PSP | E1000_TCTL_EN |
1015                         E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1016                         E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1017
1018         for(i = 0; i < txdr->count; i++) {
1019                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1020                 struct sk_buff *skb;
1021                 unsigned int size = 1024;
1022
1023                 if(!(skb = alloc_skb(size, GFP_KERNEL))) {
1024                         ret_val = 3;
1025                         goto err_nomem;
1026                 }
1027                 skb_put(skb, size);
1028                 txdr->buffer_info[i].skb = skb;
1029                 txdr->buffer_info[i].length = skb->len;
1030                 txdr->buffer_info[i].dma =
1031                         pci_map_single(pdev, skb->data, skb->len,
1032                                        PCI_DMA_TODEVICE);
1033                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1034                 tx_desc->lower.data = cpu_to_le32(skb->len);
1035                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1036                                                    E1000_TXD_CMD_IFCS |
1037                                                    E1000_TXD_CMD_RPS);
1038                 tx_desc->upper.data = 0;
1039         }
1040
1041         /* Setup Rx descriptor ring and Rx buffers */
1042
1043         if(!rxdr->count)
1044                 rxdr->count = E1000_DEFAULT_RXD;
1045
1046         size = rxdr->count * sizeof(struct e1000_buffer);
1047         if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1048                 ret_val = 4;
1049                 goto err_nomem;
1050         }
1051         memset(rxdr->buffer_info, 0, size);
1052
1053         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1054         if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
1055                 ret_val = 5;
1056                 goto err_nomem;
1057         }
1058         memset(rxdr->desc, 0, rxdr->size);
1059         rxdr->next_to_use = rxdr->next_to_clean = 0;
1060
1061         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1062         E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
1063         E1000_WRITE_REG(&adapter->hw, RDBAL,
1064                         ((uint64_t) rxdr->dma & 0xFFFFFFFF));
1065         E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
1066         E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1067         E1000_WRITE_REG(&adapter->hw, RDH, 0);
1068         E1000_WRITE_REG(&adapter->hw, RDT, 0);
1069         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1070                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1071                 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1072         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1073
1074         for(i = 0; i < rxdr->count; i++) {
1075                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1076                 struct sk_buff *skb;
1077
1078                 if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1079                                 GFP_KERNEL))) {
1080                         ret_val = 6;
1081                         goto err_nomem;
1082                 }
1083                 skb_reserve(skb, NET_IP_ALIGN);
1084                 rxdr->buffer_info[i].skb = skb;
1085                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1086                 rxdr->buffer_info[i].dma =
1087                         pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1088                                        PCI_DMA_FROMDEVICE);
1089                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1090                 memset(skb->data, 0x00, skb->len);
1091         }
1092
1093         return 0;
1094
1095 err_nomem:
1096         e1000_free_desc_rings(adapter);
1097         return ret_val;
1098 }
1099
1100 static void
1101 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1102 {
1103         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1104         e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1105         e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1106         e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1107         e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1108 }
1109
1110 static void
1111 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1112 {
1113         uint16_t phy_reg;
1114
1115         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1116          * Extended PHY Specific Control Register to 25MHz clock.  This
1117          * value defaults back to a 2.5MHz clock when the PHY is reset.
1118          */
1119         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1120         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1121         e1000_write_phy_reg(&adapter->hw,
1122                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1123
1124         /* In addition, because of the s/w reset above, we need to enable
1125          * CRS on TX.  This must be set for both full and half duplex
1126          * operation.
1127          */
1128         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1129         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1130         e1000_write_phy_reg(&adapter->hw,
1131                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1132 }
1133
1134 static int
1135 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1136 {
1137         uint32_t ctrl_reg;
1138         uint16_t phy_reg;
1139
1140         /* Setup the Device Control Register for PHY loopback test. */
1141
1142         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1143         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1144                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1145                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1146                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1147                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1148
1149         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1150
1151         /* Read the PHY Specific Control Register (0x10) */
1152         e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1153
1154         /* Clear Auto-Crossover bits in PHY Specific Control Register
1155          * (bits 6:5).
1156          */
1157         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1158         e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1159
1160         /* Perform software reset on the PHY */
1161         e1000_phy_reset(&adapter->hw);
1162
1163         /* Have to setup TX_CLK and TX_CRS after software reset */
1164         e1000_phy_reset_clk_and_crs(adapter);
1165
1166         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1167
1168         /* Wait for reset to complete. */
1169         udelay(500);
1170
1171         /* Have to setup TX_CLK and TX_CRS after software reset */
1172         e1000_phy_reset_clk_and_crs(adapter);
1173
1174         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1175         e1000_phy_disable_receiver(adapter);
1176
1177         /* Set the loopback bit in the PHY control register. */
1178         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1179         phy_reg |= MII_CR_LOOPBACK;
1180         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1181
1182         /* Setup TX_CLK and TX_CRS one more time. */
1183         e1000_phy_reset_clk_and_crs(adapter);
1184
1185         /* Check Phy Configuration */
1186         e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1187         if(phy_reg != 0x4100)
1188                  return 9;
1189
1190         e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1191         if(phy_reg != 0x0070)
1192                 return 10;
1193
1194         e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1195         if(phy_reg != 0x001A)
1196                 return 11;
1197
1198         return 0;
1199 }
1200
1201 static int
1202 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1203 {
1204         uint32_t ctrl_reg = 0;
1205         uint32_t stat_reg = 0;
1206
1207         adapter->hw.autoneg = FALSE;
1208
1209         if(adapter->hw.phy_type == e1000_phy_m88) {
1210                 /* Auto-MDI/MDIX Off */
1211                 e1000_write_phy_reg(&adapter->hw,
1212                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1213                 /* reset to update Auto-MDI/MDIX */
1214                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1215                 /* autoneg off */
1216                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1217         }
1218         /* force 1000, set loopback */
1219         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1220
1221         /* Now set up the MAC to the same speed/duplex as the PHY. */
1222         ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1223         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1224         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1225                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1226                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1227                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1228
1229         if(adapter->hw.media_type == e1000_media_type_copper &&
1230            adapter->hw.phy_type == e1000_phy_m88) {
1231                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1232         } else {
1233                 /* Set the ILOS bit on the fiber Nic is half
1234                  * duplex link is detected. */
1235                 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1236                 if((stat_reg & E1000_STATUS_FD) == 0)
1237                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1238         }
1239
1240         E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1241
1242         /* Disable the receiver on the PHY so when a cable is plugged in, the
1243          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1244          */
1245         if(adapter->hw.phy_type == e1000_phy_m88)
1246                 e1000_phy_disable_receiver(adapter);
1247
1248         udelay(500);
1249
1250         return 0;
1251 }
1252
1253 static int
1254 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1255 {
1256         uint16_t phy_reg = 0;
1257         uint16_t count = 0;
1258
1259         switch (adapter->hw.mac_type) {
1260         case e1000_82543:
1261                 if(adapter->hw.media_type == e1000_media_type_copper) {
1262                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1263                          * Some PHY registers get corrupted at random, so
1264                          * attempt this 10 times.
1265                          */
1266                         while(e1000_nonintegrated_phy_loopback(adapter) &&
1267                               count++ < 10);
1268                         if(count < 11)
1269                                 return 0;
1270                 }
1271                 break;
1272
1273         case e1000_82544:
1274         case e1000_82540:
1275         case e1000_82545:
1276         case e1000_82545_rev_3:
1277         case e1000_82546:
1278         case e1000_82546_rev_3:
1279         case e1000_82541:
1280         case e1000_82541_rev_2:
1281         case e1000_82547:
1282         case e1000_82547_rev_2:
1283         case e1000_82571:
1284         case e1000_82572:
1285         case e1000_82573:
1286                 return e1000_integrated_phy_loopback(adapter);
1287                 break;
1288
1289         default:
1290                 /* Default PHY loopback work is to read the MII
1291                  * control register and assert bit 14 (loopback mode).
1292                  */
1293                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1294                 phy_reg |= MII_CR_LOOPBACK;
1295                 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1296                 return 0;
1297                 break;
1298         }
1299
1300         return 8;
1301 }
1302
1303 static int
1304 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1305 {
1306         uint32_t rctl;
1307
1308         if(adapter->hw.media_type == e1000_media_type_fiber ||
1309            adapter->hw.media_type == e1000_media_type_internal_serdes) {
1310                 if(adapter->hw.mac_type == e1000_82545 ||
1311                    adapter->hw.mac_type == e1000_82546 ||
1312                    adapter->hw.mac_type == e1000_82545_rev_3 ||
1313                    adapter->hw.mac_type == e1000_82546_rev_3)
1314                         return e1000_set_phy_loopback(adapter);
1315                 else {
1316                         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1317                         rctl |= E1000_RCTL_LBM_TCVR;
1318                         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1319                         return 0;
1320                 }
1321         } else if(adapter->hw.media_type == e1000_media_type_copper)
1322                 return e1000_set_phy_loopback(adapter);
1323
1324         return 7;
1325 }
1326
1327 static void
1328 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1329 {
1330         uint32_t rctl;
1331         uint16_t phy_reg;
1332
1333         rctl = E1000_READ_REG(&adapter->hw, RCTL);
1334         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1335         E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1336
1337         if(adapter->hw.media_type == e1000_media_type_copper ||
1338            ((adapter->hw.media_type == e1000_media_type_fiber ||
1339              adapter->hw.media_type == e1000_media_type_internal_serdes) &&
1340             (adapter->hw.mac_type == e1000_82545 ||
1341              adapter->hw.mac_type == e1000_82546 ||
1342              adapter->hw.mac_type == e1000_82545_rev_3 ||
1343              adapter->hw.mac_type == e1000_82546_rev_3))) {
1344                 adapter->hw.autoneg = TRUE;
1345                 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1346                 if(phy_reg & MII_CR_LOOPBACK) {
1347                         phy_reg &= ~MII_CR_LOOPBACK;
1348                         e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1349                         e1000_phy_reset(&adapter->hw);
1350                 }
1351         }
1352 }
1353
1354 static void
1355 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1356 {
1357         memset(skb->data, 0xFF, frame_size);
1358         frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1359         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1360         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1361         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1362 }
1363
1364 static int
1365 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1366 {
1367         frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1368         if(*(skb->data + 3) == 0xFF) {
1369                 if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1370                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1371                         return 0;
1372                 }
1373         }
1374         return 13;
1375 }
1376
1377 static int
1378 e1000_run_loopback_test(struct e1000_adapter *adapter)
1379 {
1380         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1381         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1382         struct pci_dev *pdev = adapter->pdev;
1383         int i, j, k, l, lc, good_cnt, ret_val=0;
1384         unsigned long time;
1385
1386         E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1387
1388         /* Calculate the loop count based on the largest descriptor ring
1389          * The idea is to wrap the largest ring a number of times using 64
1390          * send/receive pairs during each loop
1391          */
1392
1393         if(rxdr->count <= txdr->count)
1394                 lc = ((txdr->count / 64) * 2) + 1;
1395         else
1396                 lc = ((rxdr->count / 64) * 2) + 1;
1397
1398         k = l = 0;
1399         for(j = 0; j <= lc; j++) { /* loop count loop */
1400                 for(i = 0; i < 64; i++) { /* send the packets */
1401                         e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1402                                         1024);
1403                         pci_dma_sync_single_for_device(pdev,
1404                                         txdr->buffer_info[k].dma,
1405                                         txdr->buffer_info[k].length,
1406                                         PCI_DMA_TODEVICE);
1407                         if(unlikely(++k == txdr->count)) k = 0;
1408                 }
1409                 E1000_WRITE_REG(&adapter->hw, TDT, k);
1410                 msec_delay(200);
1411                 time = jiffies; /* set the start time for the receive */
1412                 good_cnt = 0;
1413                 do { /* receive the sent packets */
1414                         pci_dma_sync_single_for_cpu(pdev,
1415                                         rxdr->buffer_info[l].dma,
1416                                         rxdr->buffer_info[l].length,
1417                                         PCI_DMA_FROMDEVICE);
1418
1419                         ret_val = e1000_check_lbtest_frame(
1420                                         rxdr->buffer_info[l].skb,
1421                                         1024);
1422                         if(!ret_val)
1423                                 good_cnt++;
1424                         if(unlikely(++l == rxdr->count)) l = 0;
1425                         /* time + 20 msecs (200 msecs on 2.4) is more than
1426                          * enough time to complete the receives, if it's
1427                          * exceeded, break and error off
1428                          */
1429                 } while (good_cnt < 64 && jiffies < (time + 20));
1430                 if(good_cnt != 64) {
1431                         ret_val = 13; /* ret_val is the same as mis-compare */
1432                         break;
1433                 }
1434                 if(jiffies >= (time + 2)) {
1435                         ret_val = 14; /* error code for time out error */
1436                         break;
1437                 }
1438         } /* end loop count loop */
1439         return ret_val;
1440 }
1441
1442 static int
1443 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1444 {
1445         if((*data = e1000_setup_desc_rings(adapter))) goto err_loopback;
1446         if((*data = e1000_setup_loopback_test(adapter))) goto err_loopback;
1447         *data = e1000_run_loopback_test(adapter);
1448         e1000_loopback_cleanup(adapter);
1449         e1000_free_desc_rings(adapter);
1450 err_loopback:
1451         return *data;
1452 }
1453
1454 static int
1455 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1456 {
1457         *data = 0;
1458         if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1459                 int i = 0;
1460                 adapter->hw.serdes_link_down = TRUE;
1461
1462                 /* On some blade server designs, link establishment
1463                  * could take as long as 2-3 minutes */
1464                 do {
1465                         e1000_check_for_link(&adapter->hw);
1466                         if (adapter->hw.serdes_link_down == FALSE)
1467                                 return *data;
1468                         msec_delay(20);
1469                 } while (i++ < 3750);
1470
1471                 *data = 1;
1472         } else {
1473                 e1000_check_for_link(&adapter->hw);
1474                 if(adapter->hw.autoneg)  /* if auto_neg is set wait for it */
1475                         msec_delay(4000);
1476
1477                 if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1478                         *data = 1;
1479                 }
1480         }
1481         return *data;
1482 }
1483
1484 static int
1485 e1000_diag_test_count(struct net_device *netdev)
1486 {
1487         return E1000_TEST_LEN;
1488 }
1489
1490 static void
1491 e1000_diag_test(struct net_device *netdev,
1492                    struct ethtool_test *eth_test, uint64_t *data)
1493 {
1494         struct e1000_adapter *adapter = netdev_priv(netdev);
1495         boolean_t if_running = netif_running(netdev);
1496
1497         if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
1498                 /* Offline tests */
1499
1500                 /* save speed, duplex, autoneg settings */
1501                 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1502                 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1503                 uint8_t autoneg = adapter->hw.autoneg;
1504
1505                 /* Link test performed before hardware reset so autoneg doesn't
1506                  * interfere with test result */
1507                 if(e1000_link_test(adapter, &data[4]))
1508                         eth_test->flags |= ETH_TEST_FL_FAILED;
1509
1510                 if(if_running)
1511                         e1000_down(adapter);
1512                 else
1513                         e1000_reset(adapter);
1514
1515                 if(e1000_reg_test(adapter, &data[0]))
1516                         eth_test->flags |= ETH_TEST_FL_FAILED;
1517
1518                 e1000_reset(adapter);
1519                 if(e1000_eeprom_test(adapter, &data[1]))
1520                         eth_test->flags |= ETH_TEST_FL_FAILED;
1521
1522                 e1000_reset(adapter);
1523                 if(e1000_intr_test(adapter, &data[2]))
1524                         eth_test->flags |= ETH_TEST_FL_FAILED;
1525
1526                 e1000_reset(adapter);
1527                 if(e1000_loopback_test(adapter, &data[3]))
1528                         eth_test->flags |= ETH_TEST_FL_FAILED;
1529
1530                 /* restore speed, duplex, autoneg settings */
1531                 adapter->hw.autoneg_advertised = autoneg_advertised;
1532                 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1533                 adapter->hw.autoneg = autoneg;
1534
1535                 e1000_reset(adapter);
1536                 if(if_running)
1537                         e1000_up(adapter);
1538         } else {
1539                 /* Online tests */
1540                 if(e1000_link_test(adapter, &data[4]))
1541                         eth_test->flags |= ETH_TEST_FL_FAILED;
1542
1543                 /* Offline tests aren't run; pass by default */
1544                 data[0] = 0;
1545                 data[1] = 0;
1546                 data[2] = 0;
1547                 data[3] = 0;
1548         }
1549         msleep_interruptible(4 * 1000);
1550 }
1551
1552 static void
1553 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1554 {
1555         struct e1000_adapter *adapter = netdev_priv(netdev);
1556         struct e1000_hw *hw = &adapter->hw;
1557
1558         switch(adapter->hw.device_id) {
1559         case E1000_DEV_ID_82542:
1560         case E1000_DEV_ID_82543GC_FIBER:
1561         case E1000_DEV_ID_82543GC_COPPER:
1562         case E1000_DEV_ID_82544EI_FIBER:
1563         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1564         case E1000_DEV_ID_82545EM_FIBER:
1565         case E1000_DEV_ID_82545EM_COPPER:
1566                 wol->supported = 0;
1567                 wol->wolopts   = 0;
1568                 return;
1569
1570         case E1000_DEV_ID_82546EB_FIBER:
1571         case E1000_DEV_ID_82546GB_FIBER:
1572                 /* Wake events only supported on port A for dual fiber */
1573                 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1574                         wol->supported = 0;
1575                         wol->wolopts   = 0;
1576                         return;
1577                 }
1578                 /* Fall Through */
1579
1580         default:
1581                 wol->supported = WAKE_UCAST | WAKE_MCAST |
1582                                  WAKE_BCAST | WAKE_MAGIC;
1583
1584                 wol->wolopts = 0;
1585                 if(adapter->wol & E1000_WUFC_EX)
1586                         wol->wolopts |= WAKE_UCAST;
1587                 if(adapter->wol & E1000_WUFC_MC)
1588                         wol->wolopts |= WAKE_MCAST;
1589                 if(adapter->wol & E1000_WUFC_BC)
1590                         wol->wolopts |= WAKE_BCAST;
1591                 if(adapter->wol & E1000_WUFC_MAG)
1592                         wol->wolopts |= WAKE_MAGIC;
1593                 return;
1594         }
1595 }
1596
1597 static int
1598 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1599 {
1600         struct e1000_adapter *adapter = netdev_priv(netdev);
1601         struct e1000_hw *hw = &adapter->hw;
1602
1603         switch(adapter->hw.device_id) {
1604         case E1000_DEV_ID_82542:
1605         case E1000_DEV_ID_82543GC_FIBER:
1606         case E1000_DEV_ID_82543GC_COPPER:
1607         case E1000_DEV_ID_82544EI_FIBER:
1608         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1609         case E1000_DEV_ID_82545EM_FIBER:
1610         case E1000_DEV_ID_82545EM_COPPER:
1611                 return wol->wolopts ? -EOPNOTSUPP : 0;
1612
1613         case E1000_DEV_ID_82546EB_FIBER:
1614         case E1000_DEV_ID_82546GB_FIBER:
1615                 /* Wake events only supported on port A for dual fiber */
1616                 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
1617                         return wol->wolopts ? -EOPNOTSUPP : 0;
1618                 /* Fall Through */
1619
1620         default:
1621                 if(wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1622                         return -EOPNOTSUPP;
1623
1624                 adapter->wol = 0;
1625
1626                 if(wol->wolopts & WAKE_UCAST)
1627                         adapter->wol |= E1000_WUFC_EX;
1628                 if(wol->wolopts & WAKE_MCAST)
1629                         adapter->wol |= E1000_WUFC_MC;
1630                 if(wol->wolopts & WAKE_BCAST)
1631                         adapter->wol |= E1000_WUFC_BC;
1632                 if(wol->wolopts & WAKE_MAGIC)
1633                         adapter->wol |= E1000_WUFC_MAG;
1634         }
1635
1636         return 0;
1637 }
1638
1639 /* toggle LED 4 times per second = 2 "blinks" per second */
1640 #define E1000_ID_INTERVAL       (HZ/4)
1641
1642 /* bit defines for adapter->led_status */
1643 #define E1000_LED_ON            0
1644
1645 static void
1646 e1000_led_blink_callback(unsigned long data)
1647 {
1648         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1649
1650         if(test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1651                 e1000_led_off(&adapter->hw);
1652         else
1653                 e1000_led_on(&adapter->hw);
1654
1655         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1656 }
1657
1658 static int
1659 e1000_phys_id(struct net_device *netdev, uint32_t data)
1660 {
1661         struct e1000_adapter *adapter = netdev_priv(netdev);
1662
1663         if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1664                 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1665
1666         if(adapter->hw.mac_type < e1000_82571) {
1667                 if(!adapter->blink_timer.function) {
1668                         init_timer(&adapter->blink_timer);
1669                         adapter->blink_timer.function = e1000_led_blink_callback;
1670                         adapter->blink_timer.data = (unsigned long) adapter;
1671                 }
1672                 e1000_setup_led(&adapter->hw);
1673                 mod_timer(&adapter->blink_timer, jiffies);
1674                 msleep_interruptible(data * 1000);
1675                 del_timer_sync(&adapter->blink_timer);
1676         }
1677         else {
1678                 E1000_WRITE_REG(&adapter->hw, LEDCTL, (E1000_LEDCTL_LED2_BLINK_RATE |
1679                         E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
1680                         (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1681                         (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
1682                         (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
1683                 msleep_interruptible(data * 1000);
1684         }
1685
1686         e1000_led_off(&adapter->hw);
1687         clear_bit(E1000_LED_ON, &adapter->led_status);
1688         e1000_cleanup_led(&adapter->hw);
1689
1690         return 0;
1691 }
1692
1693 static int
1694 e1000_nway_reset(struct net_device *netdev)
1695 {
1696         struct e1000_adapter *adapter = netdev_priv(netdev);
1697         if(netif_running(netdev)) {
1698                 e1000_down(adapter);
1699                 e1000_up(adapter);
1700         }
1701         return 0;
1702 }
1703
1704 static int
1705 e1000_get_stats_count(struct net_device *netdev)
1706 {
1707         return E1000_STATS_LEN;
1708 }
1709
1710 static void
1711 e1000_get_ethtool_stats(struct net_device *netdev,
1712                 struct ethtool_stats *stats, uint64_t *data)
1713 {
1714         struct e1000_adapter *adapter = netdev_priv(netdev);
1715         int i;
1716
1717         e1000_update_stats(adapter);
1718         for(i = 0; i < E1000_STATS_LEN; i++) {
1719                 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1720                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1721                         sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1722         }
1723 }
1724
1725 static void
1726 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1727 {
1728         int i;
1729
1730         switch(stringset) {
1731         case ETH_SS_TEST:
1732                 memcpy(data, *e1000_gstrings_test,
1733                         E1000_TEST_LEN*ETH_GSTRING_LEN);
1734                 break;
1735         case ETH_SS_STATS:
1736                 for (i=0; i < E1000_STATS_LEN; i++) {
1737                         memcpy(data + i * ETH_GSTRING_LEN,
1738                         e1000_gstrings_stats[i].stat_string,
1739                         ETH_GSTRING_LEN);
1740                 }
1741                 break;
1742         }
1743 }
1744
1745 struct ethtool_ops e1000_ethtool_ops = {
1746         .get_settings           = e1000_get_settings,
1747         .set_settings           = e1000_set_settings,
1748         .get_drvinfo            = e1000_get_drvinfo,
1749         .get_regs_len           = e1000_get_regs_len,
1750         .get_regs               = e1000_get_regs,
1751         .get_wol                = e1000_get_wol,
1752         .set_wol                = e1000_set_wol,
1753         .get_msglevel           = e1000_get_msglevel,
1754         .set_msglevel           = e1000_set_msglevel,
1755         .nway_reset             = e1000_nway_reset,
1756         .get_link               = ethtool_op_get_link,
1757         .get_eeprom_len         = e1000_get_eeprom_len,
1758         .get_eeprom             = e1000_get_eeprom,
1759         .set_eeprom             = e1000_set_eeprom,
1760         .get_ringparam          = e1000_get_ringparam,
1761         .set_ringparam          = e1000_set_ringparam,
1762         .get_pauseparam         = e1000_get_pauseparam,
1763         .set_pauseparam         = e1000_set_pauseparam,
1764         .get_rx_csum            = e1000_get_rx_csum,
1765         .set_rx_csum            = e1000_set_rx_csum,
1766         .get_tx_csum            = e1000_get_tx_csum,
1767         .set_tx_csum            = e1000_set_tx_csum,
1768         .get_sg                 = ethtool_op_get_sg,
1769         .set_sg                 = ethtool_op_set_sg,
1770 #ifdef NETIF_F_TSO
1771         .get_tso                = ethtool_op_get_tso,
1772         .set_tso                = e1000_set_tso,
1773 #endif
1774         .self_test_count        = e1000_diag_test_count,
1775         .self_test              = e1000_diag_test,
1776         .get_strings            = e1000_get_strings,
1777         .phys_id                = e1000_phys_id,
1778         .get_stats_count        = e1000_get_stats_count,
1779         .get_ethtool_stats      = e1000_get_ethtool_stats,
1780         .get_perm_addr          = ethtool_op_get_perm_addr,
1781 };
1782
1783 void e1000_set_ethtool_ops(struct net_device *netdev)
1784 {
1785         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1786 }