drivers/net/e1000e/ethtool.c

   1 /*******************************************************************************
   2
   3   Intel PRO/1000 Linux driver
   4   Copyright(c) 1999 - 2008 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   Linux NICS <linux.nics@intel.com>
  24   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 /* ethtool support for e1000 */
  30
  31 #include <linux/netdevice.h>
  32 #include <linux/ethtool.h>
  33 #include <linux/pci.h>
  34 #include <linux/delay.h>
  35
  36 #include "e1000.h"
  37
  38 enum {NETDEV_STATS, E1000_STATS};
  39
  40 struct e1000_stats {
  41         char stat_string[ETH_GSTRING_LEN];
  42         int type;
  43         int sizeof_stat;
  44         int stat_offset;
  45 };
  46
  47 #define E1000_STAT(m)           E1000_STATS, \
  48                                 sizeof(((struct e1000_adapter *)0)->m), \
  49                                 offsetof(struct e1000_adapter, m)
  50 #define E1000_NETDEV_STAT(m)    NETDEV_STATS, \
  51                                 sizeof(((struct net_device *)0)->m), \
  52                                 offsetof(struct net_device, m)
  53
  54 static const struct e1000_stats e1000_gstrings_stats[] = {
  55         { "rx_packets", E1000_STAT(stats.gprc) },
  56         { "tx_packets", E1000_STAT(stats.gptc) },
  57         { "rx_bytes", E1000_STAT(stats.gorc) },
  58         { "tx_bytes", E1000_STAT(stats.gotc) },
  59         { "rx_broadcast", E1000_STAT(stats.bprc) },
  60         { "tx_broadcast", E1000_STAT(stats.bptc) },
  61         { "rx_multicast", E1000_STAT(stats.mprc) },
  62         { "tx_multicast", E1000_STAT(stats.mptc) },
  63         { "rx_errors", E1000_NETDEV_STAT(stats.rx_errors) },
  64         { "tx_errors", E1000_NETDEV_STAT(stats.tx_errors) },
  65         { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
  66         { "multicast", E1000_STAT(stats.mprc) },
  67         { "collisions", E1000_STAT(stats.colc) },
  68         { "rx_length_errors", E1000_NETDEV_STAT(stats.rx_length_errors) },
  69         { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
  70         { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
  71         { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
  72         { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
  73         { "rx_missed_errors", E1000_STAT(stats.mpc) },
  74         { "tx_aborted_errors", E1000_STAT(stats.ecol) },
  75         { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
  76         { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
  77         { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
  78         { "tx_window_errors", E1000_STAT(stats.latecol) },
  79         { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
  80         { "tx_deferred_ok", E1000_STAT(stats.dc) },
  81         { "tx_single_coll_ok", E1000_STAT(stats.scc) },
  82         { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
  83         { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
  84         { "tx_restart_queue", E1000_STAT(restart_queue) },
  85         { "rx_long_length_errors", E1000_STAT(stats.roc) },
  86         { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  87         { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  88         { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  89         { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  90         { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  91         { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  92         { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  93         { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  94         { "rx_long_byte_count", E1000_STAT(stats.gorc) },
  95         { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  96         { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
  97         { "rx_header_split", E1000_STAT(rx_hdr_split) },
  98         { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
  99         { "tx_smbus", E1000_STAT(stats.mgptc) },
 100         { "rx_smbus", E1000_STAT(stats.mgprc) },
 101         { "dropped_smbus", E1000_STAT(stats.mgpdc) },
 102         { "rx_dma_failed", E1000_STAT(rx_dma_failed) },
 103         { "tx_dma_failed", E1000_STAT(tx_dma_failed) },
 104 };
 105
 106 #define E1000_GLOBAL_STATS_LEN  ARRAY_SIZE(e1000_gstrings_stats)
 107 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
 108 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 109         "Register test  (offline)", "Eeprom test    (offline)",
 110         "Interrupt test (offline)", "Loopback test  (offline)",
 111         "Link test   (on/offline)"
 112 };
 113 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
 114
 115 static int e1000_get_settings(struct net_device *netdev,
 116                               struct ethtool_cmd *ecmd)
 117 {
 118         struct e1000_adapter *adapter = netdev_priv(netdev);
 119         struct e1000_hw *hw = &adapter->hw;
 120         u32 status;
 121
 122         if (hw->phy.media_type == e1000_media_type_copper) {
 123
 124                 ecmd->supported = (SUPPORTED_10baseT_Half |
 125                                    SUPPORTED_10baseT_Full |
 126                                    SUPPORTED_100baseT_Half |
 127                                    SUPPORTED_100baseT_Full |
 128                                    SUPPORTED_1000baseT_Full |
 129                                    SUPPORTED_Autoneg |
 130                                    SUPPORTED_TP);
 131                 if (hw->phy.type == e1000_phy_ife)
 132                         ecmd->supported &= ~SUPPORTED_1000baseT_Full;
 133                 ecmd->advertising = ADVERTISED_TP;
 134
 135                 if (hw->mac.autoneg == 1) {
 136                         ecmd->advertising |= ADVERTISED_Autoneg;
 137                         /* the e1000 autoneg seems to match ethtool nicely */
 138                         ecmd->advertising |= hw->phy.autoneg_advertised;
 139                 }
 140
 141                 ecmd->port = PORT_TP;
 142                 ecmd->phy_address = hw->phy.addr;
 143                 ecmd->transceiver = XCVR_INTERNAL;
 144
 145         } else {
 146                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 147                                      SUPPORTED_FIBRE |
 148                                      SUPPORTED_Autoneg);
 149
 150                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 151                                      ADVERTISED_FIBRE |
 152                                      ADVERTISED_Autoneg);
 153
 154                 ecmd->port = PORT_FIBRE;
 155                 ecmd->transceiver = XCVR_EXTERNAL;
 156         }
 157
 158         status = er32(STATUS);
 159         if (status & E1000_STATUS_LU) {
 160                 if (status & E1000_STATUS_SPEED_1000)
 161                         ecmd->speed = 1000;
 162                 else if (status & E1000_STATUS_SPEED_100)
 163                         ecmd->speed = 100;
 164                 else
 165                         ecmd->speed = 10;
 166
 167                 if (status & E1000_STATUS_FD)
 168                         ecmd->duplex = DUPLEX_FULL;
 169                 else
 170                         ecmd->duplex = DUPLEX_HALF;
 171         } else {
 172                 ecmd->speed = -1;
 173                 ecmd->duplex = -1;
 174         }
 175
 176         ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
 177                          hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 178
 179         /* MDI-X => 2; MDI =>1; Invalid =>0 */
 180         if ((hw->phy.media_type == e1000_media_type_copper) &&
 181             !hw->mac.get_link_status)
 182                 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
 183                                                       ETH_TP_MDI;
 184         else
 185                 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
 186
 187         return 0;
 188 }
 189
 190 static u32 e1000_get_link(struct net_device *netdev)
 191 {
 192         struct e1000_adapter *adapter = netdev_priv(netdev);
 193
 194         return e1000_has_link(adapter);
 195 }
 196
 197 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
 198 {
 199         struct e1000_mac_info *mac = &adapter->hw.mac;
 200
 201         mac->autoneg = 0;
 202
 203         /* Fiber NICs only allow 1000 gbps Full duplex */
 204         if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
 205                 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
 206                 e_err("Unsupported Speed/Duplex configuration\n");
 207                 return -EINVAL;
 208         }
 209
 210         switch (spddplx) {
 211         case SPEED_10 + DUPLEX_HALF:
 212                 mac->forced_speed_duplex = ADVERTISE_10_HALF;
 213                 break;
 214         case SPEED_10 + DUPLEX_FULL:
 215                 mac->forced_speed_duplex = ADVERTISE_10_FULL;
 216                 break;
 217         case SPEED_100 + DUPLEX_HALF:
 218                 mac->forced_speed_duplex = ADVERTISE_100_HALF;
 219                 break;
 220         case SPEED_100 + DUPLEX_FULL:
 221                 mac->forced_speed_duplex = ADVERTISE_100_FULL;
 222                 break;
 223         case SPEED_1000 + DUPLEX_FULL:
 224                 mac->autoneg = 1;
 225                 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
 226                 break;
 227         case SPEED_1000 + DUPLEX_HALF: /* not supported */
 228         default:
 229                 e_err("Unsupported Speed/Duplex configuration\n");
 230                 return -EINVAL;
 231         }
 232         return 0;
 233 }
 234
 235 static int e1000_set_settings(struct net_device *netdev,
 236                               struct ethtool_cmd *ecmd)
 237 {
 238         struct e1000_adapter *adapter = netdev_priv(netdev);
 239         struct e1000_hw *hw = &adapter->hw;
 240
 241         /*
 242          * When SoL/IDER sessions are active, autoneg/speed/duplex
 243          * cannot be changed
 244          */
 245         if (e1000_check_reset_block(hw)) {
 246                 e_err("Cannot change link characteristics when SoL/IDER is "
 247                       "active.\n");
 248                 return -EINVAL;
 249         }
 250
 251         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 252                 msleep(1);
 253
 254         if (ecmd->autoneg == AUTONEG_ENABLE) {
 255                 hw->mac.autoneg = 1;
 256                 if (hw->phy.media_type == e1000_media_type_fiber)
 257                         hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
 258                                                      ADVERTISED_FIBRE |
 259                                                      ADVERTISED_Autoneg;
 260                 else
 261                         hw->phy.autoneg_advertised = ecmd->advertising |
 262                                                      ADVERTISED_TP |
 263                                                      ADVERTISED_Autoneg;
 264                 ecmd->advertising = hw->phy.autoneg_advertised;
 265                 if (adapter->fc_autoneg)
 266                         hw->fc.requested_mode = e1000_fc_default;
 267         } else {
 268                 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
 269                         clear_bit(__E1000_RESETTING, &adapter->state);
 270                         return -EINVAL;
 271                 }
 272         }
 273
 274         /* reset the link */
 275
 276         if (netif_running(adapter->netdev)) {
 277                 e1000e_down(adapter);
 278                 e1000e_up(adapter);
 279         } else {
 280                 e1000e_reset(adapter);
 281         }
 282
 283         clear_bit(__E1000_RESETTING, &adapter->state);
 284         return 0;
 285 }
 286
 287 static void e1000_get_pauseparam(struct net_device *netdev,
 288                                  struct ethtool_pauseparam *pause)
 289 {
 290         struct e1000_adapter *adapter = netdev_priv(netdev);
 291         struct e1000_hw *hw = &adapter->hw;
 292
 293         pause->autoneg =
 294                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 295
 296         if (hw->fc.current_mode == e1000_fc_rx_pause) {
 297                 pause->rx_pause = 1;
 298         } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
 299                 pause->tx_pause = 1;
 300         } else if (hw->fc.current_mode == e1000_fc_full) {
 301                 pause->rx_pause = 1;
 302                 pause->tx_pause = 1;
 303         }
 304 }
 305
 306 static int e1000_set_pauseparam(struct net_device *netdev,
 307                                 struct ethtool_pauseparam *pause)
 308 {
 309         struct e1000_adapter *adapter = netdev_priv(netdev);
 310         struct e1000_hw *hw = &adapter->hw;
 311         int retval = 0;
 312
 313         adapter->fc_autoneg = pause->autoneg;
 314
 315         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 316                 msleep(1);
 317
 318         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 319                 hw->fc.requested_mode = e1000_fc_default;
 320                 if (netif_running(adapter->netdev)) {
 321                         e1000e_down(adapter);
 322                         e1000e_up(adapter);
 323                 } else {
 324                         e1000e_reset(adapter);
 325                 }
 326         } else {
 327                 if (pause->rx_pause && pause->tx_pause)
 328                         hw->fc.requested_mode = e1000_fc_full;
 329                 else if (pause->rx_pause && !pause->tx_pause)
 330                         hw->fc.requested_mode = e1000_fc_rx_pause;
 331                 else if (!pause->rx_pause && pause->tx_pause)
 332                         hw->fc.requested_mode = e1000_fc_tx_pause;
 333                 else if (!pause->rx_pause && !pause->tx_pause)
 334                         hw->fc.requested_mode = e1000_fc_none;
 335
 336                 hw->fc.current_mode = hw->fc.requested_mode;
 337
 338                 if (hw->phy.media_type == e1000_media_type_fiber) {
 339                         retval = hw->mac.ops.setup_link(hw);
 340                         /* implicit goto out */
 341                 } else {
 342                         retval = e1000e_force_mac_fc(hw);
 343                         if (retval)
 344                                 goto out;
 345                         e1000e_set_fc_watermarks(hw);
 346                 }
 347         }
 348
 349 out:
 350         clear_bit(__E1000_RESETTING, &adapter->state);
 351         return retval;
 352 }
 353
 354 static u32 e1000_get_rx_csum(struct net_device *netdev)
 355 {
 356         struct e1000_adapter *adapter = netdev_priv(netdev);
 357         return (adapter->flags & FLAG_RX_CSUM_ENABLED);
 358 }
 359
 360 static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
 361 {
 362         struct e1000_adapter *adapter = netdev_priv(netdev);
 363
 364         if (data)
 365                 adapter->flags |= FLAG_RX_CSUM_ENABLED;
 366         else
 367                 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
 368
 369         if (netif_running(netdev))
 370                 e1000e_reinit_locked(adapter);
 371         else
 372                 e1000e_reset(adapter);
 373         return 0;
 374 }
 375
 376 static u32 e1000_get_tx_csum(struct net_device *netdev)
 377 {
 378         return ((netdev->features & NETIF_F_HW_CSUM) != 0);
 379 }
 380
 381 static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
 382 {
 383         if (data)
 384                 netdev->features |= NETIF_F_HW_CSUM;
 385         else
 386                 netdev->features &= ~NETIF_F_HW_CSUM;
 387
 388         return 0;
 389 }
 390
 391 static int e1000_set_tso(struct net_device *netdev, u32 data)
 392 {
 393         struct e1000_adapter *adapter = netdev_priv(netdev);
 394
 395         if (data) {
 396                 netdev->features |= NETIF_F_TSO;
 397                 netdev->features |= NETIF_F_TSO6;
 398         } else {
 399                 netdev->features &= ~NETIF_F_TSO;
 400                 netdev->features &= ~NETIF_F_TSO6;
 401         }
 402
 403         e_info("TSO is %s\n", data ? "Enabled" : "Disabled");
 404         adapter->flags |= FLAG_TSO_FORCE;
 405         return 0;
 406 }
 407
 408 static u32 e1000_get_msglevel(struct net_device *netdev)
 409 {
 410         struct e1000_adapter *adapter = netdev_priv(netdev);
 411         return adapter->msg_enable;
 412 }
 413
 414 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 415 {
 416         struct e1000_adapter *adapter = netdev_priv(netdev);
 417         adapter->msg_enable = data;
 418 }
 419
 420 static int e1000_get_regs_len(struct net_device *netdev)
 421 {
 422 #define E1000_REGS_LEN 32 /* overestimate */
 423         return E1000_REGS_LEN * sizeof(u32);
 424 }
 425
 426 static void e1000_get_regs(struct net_device *netdev,
 427                            struct ethtool_regs *regs, void *p)
 428 {
 429         struct e1000_adapter *adapter = netdev_priv(netdev);
 430         struct e1000_hw *hw = &adapter->hw;
 431         u32 *regs_buff = p;
 432         u16 phy_data;
 433         u8 revision_id;
 434
 435         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 436
 437         pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
 438
 439         regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
 440
 441         regs_buff[0]  = er32(CTRL);
 442         regs_buff[1]  = er32(STATUS);
 443
 444         regs_buff[2]  = er32(RCTL);
 445         regs_buff[3]  = er32(RDLEN);
 446         regs_buff[4]  = er32(RDH);
 447         regs_buff[5]  = er32(RDT);
 448         regs_buff[6]  = er32(RDTR);
 449
 450         regs_buff[7]  = er32(TCTL);
 451         regs_buff[8]  = er32(TDLEN);
 452         regs_buff[9]  = er32(TDH);
 453         regs_buff[10] = er32(TDT);
 454         regs_buff[11] = er32(TIDV);
 455
 456         regs_buff[12] = adapter->hw.phy.type;  /* PHY type (IGP=1, M88=0) */
 457
 458         /* ethtool doesn't use anything past this point, so all this
 459          * code is likely legacy junk for apps that may or may not
 460          * exist */
 461         if (hw->phy.type == e1000_phy_m88) {
 462                 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 463                 regs_buff[13] = (u32)phy_data; /* cable length */
 464                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 465                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 466                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 467                 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 468                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 469                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 470                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 471                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 472                 /* phy receive errors */
 473                 regs_buff[22] = adapter->phy_stats.receive_errors;
 474                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 475         }
 476         regs_buff[21] = 0; /* was idle_errors */
 477         e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
 478         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 479         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 480 }
 481
 482 static int e1000_get_eeprom_len(struct net_device *netdev)
 483 {
 484         struct e1000_adapter *adapter = netdev_priv(netdev);
 485         return adapter->hw.nvm.word_size * 2;
 486 }
 487
 488 static int e1000_get_eeprom(struct net_device *netdev,
 489                             struct ethtool_eeprom *eeprom, u8 *bytes)
 490 {
 491         struct e1000_adapter *adapter = netdev_priv(netdev);
 492         struct e1000_hw *hw = &adapter->hw;
 493         u16 *eeprom_buff;
 494         int first_word;
 495         int last_word;
 496         int ret_val = 0;
 497         u16 i;
 498
 499         if (eeprom->len == 0)
 500                 return -EINVAL;
 501
 502         eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
 503
 504         first_word = eeprom->offset >> 1;
 505         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 506
 507         eeprom_buff = kmalloc(sizeof(u16) *
 508                         (last_word - first_word + 1), GFP_KERNEL);
 509         if (!eeprom_buff)
 510                 return -ENOMEM;
 511
 512         if (hw->nvm.type == e1000_nvm_eeprom_spi) {
 513                 ret_val = e1000_read_nvm(hw, first_word,
 514                                          last_word - first_word + 1,
 515                                          eeprom_buff);
 516         } else {
 517                 for (i = 0; i < last_word - first_word + 1; i++) {
 518                         ret_val = e1000_read_nvm(hw, first_word + i, 1,
 519                                                       &eeprom_buff[i]);
 520                         if (ret_val)
 521                                 break;
 522                 }
 523         }
 524
 525         if (ret_val) {
 526                 /* a read error occurred, throw away the result */
 527                 memset(eeprom_buff, 0xff, sizeof(eeprom_buff));
 528         } else {
 529                 /* Device's eeprom is always little-endian, word addressable */
 530                 for (i = 0; i < last_word - first_word + 1; i++)
 531                         le16_to_cpus(&eeprom_buff[i]);
 532         }
 533
 534         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 535         kfree(eeprom_buff);
 536
 537         return ret_val;
 538 }
 539
 540 static int e1000_set_eeprom(struct net_device *netdev,
 541                             struct ethtool_eeprom *eeprom, u8 *bytes)
 542 {
 543         struct e1000_adapter *adapter = netdev_priv(netdev);
 544         struct e1000_hw *hw = &adapter->hw;
 545         u16 *eeprom_buff;
 546         void *ptr;
 547         int max_len;
 548         int first_word;
 549         int last_word;
 550         int ret_val = 0;
 551         u16 i;
 552
 553         if (eeprom->len == 0)
 554                 return -EOPNOTSUPP;
 555
 556         if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
 557                 return -EFAULT;
 558
 559         if (adapter->flags & FLAG_READ_ONLY_NVM)
 560                 return -EINVAL;
 561
 562         max_len = hw->nvm.word_size * 2;
 563
 564         first_word = eeprom->offset >> 1;
 565         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 566         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 567         if (!eeprom_buff)
 568                 return -ENOMEM;
 569
 570         ptr = (void *)eeprom_buff;
 571
 572         if (eeprom->offset & 1) {
 573                 /* need read/modify/write of first changed EEPROM word */
 574                 /* only the second byte of the word is being modified */
 575                 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
 576                 ptr++;
 577         }
 578         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
 579                 /* need read/modify/write of last changed EEPROM word */
 580                 /* only the first byte of the word is being modified */
 581                 ret_val = e1000_read_nvm(hw, last_word, 1,
 582                                   &eeprom_buff[last_word - first_word]);
 583
 584         if (ret_val)
 585                 goto out;
 586
 587         /* Device's eeprom is always little-endian, word addressable */
 588         for (i = 0; i < last_word - first_word + 1; i++)
 589                 le16_to_cpus(&eeprom_buff[i]);
 590
 591         memcpy(ptr, bytes, eeprom->len);
 592
 593         for (i = 0; i < last_word - first_word + 1; i++)
 594                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 595
 596         ret_val = e1000_write_nvm(hw, first_word,
 597                                   last_word - first_word + 1, eeprom_buff);
 598
 599         if (ret_val)
 600                 goto out;
 601
 602         /*
 603          * Update the checksum over the first part of the EEPROM if needed
 604          * and flush shadow RAM for applicable controllers
 605          */
 606         if ((first_word <= NVM_CHECKSUM_REG) ||
 607             (hw->mac.type == e1000_82583) ||
 608             (hw->mac.type == e1000_82574) ||
 609             (hw->mac.type == e1000_82573))
 610                 ret_val = e1000e_update_nvm_checksum(hw);
 611
 612 out:
 613         kfree(eeprom_buff);
 614         return ret_val;
 615 }
 616
 617 static void e1000_get_drvinfo(struct net_device *netdev,
 618                               struct ethtool_drvinfo *drvinfo)
 619 {
 620         struct e1000_adapter *adapter = netdev_priv(netdev);
 621         char firmware_version[32];
 622
 623         strncpy(drvinfo->driver,  e1000e_driver_name, 32);
 624         strncpy(drvinfo->version, e1000e_driver_version, 32);
 625
 626         /*
 627          * EEPROM image version # is reported as firmware version # for
 628          * PCI-E controllers
 629          */
 630         sprintf(firmware_version, "%d.%d-%d",
 631                 (adapter->eeprom_vers & 0xF000) >> 12,
 632                 (adapter->eeprom_vers & 0x0FF0) >> 4,
 633                 (adapter->eeprom_vers & 0x000F));
 634
 635         strncpy(drvinfo->fw_version, firmware_version, 32);
 636         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 637         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 638         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 639 }
 640
 641 static void e1000_get_ringparam(struct net_device *netdev,
 642                                 struct ethtool_ringparam *ring)
 643 {
 644         struct e1000_adapter *adapter = netdev_priv(netdev);
 645         struct e1000_ring *tx_ring = adapter->tx_ring;
 646         struct e1000_ring *rx_ring = adapter->rx_ring;
 647
 648         ring->rx_max_pending = E1000_MAX_RXD;
 649         ring->tx_max_pending = E1000_MAX_TXD;
 650         ring->rx_mini_max_pending = 0;
 651         ring->rx_jumbo_max_pending = 0;
 652         ring->rx_pending = rx_ring->count;
 653         ring->tx_pending = tx_ring->count;
 654         ring->rx_mini_pending = 0;
 655         ring->rx_jumbo_pending = 0;
 656 }
 657
 658 static int e1000_set_ringparam(struct net_device *netdev,
 659                                struct ethtool_ringparam *ring)
 660 {
 661         struct e1000_adapter *adapter = netdev_priv(netdev);
 662         struct e1000_ring *tx_ring, *tx_old;
 663         struct e1000_ring *rx_ring, *rx_old;
 664         int err;
 665
 666         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 667                 return -EINVAL;
 668
 669         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 670                 msleep(1);
 671
 672         if (netif_running(adapter->netdev))
 673                 e1000e_down(adapter);
 674
 675         tx_old = adapter->tx_ring;
 676         rx_old = adapter->rx_ring;
 677
 678         err = -ENOMEM;
 679         tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
 680         if (!tx_ring)
 681                 goto err_alloc_tx;
 682         /*
 683          * use a memcpy to save any previously configured
 684          * items like napi structs from having to be
 685          * reinitialized
 686          */
 687         memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
 688
 689         rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
 690         if (!rx_ring)
 691                 goto err_alloc_rx;
 692         memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
 693
 694         adapter->tx_ring = tx_ring;
 695         adapter->rx_ring = rx_ring;
 696
 697         rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
 698         rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
 699         rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 700
 701         tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
 702         tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
 703         tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 704
 705         if (netif_running(adapter->netdev)) {
 706                 /* Try to get new resources before deleting old */
 707                 err = e1000e_setup_rx_resources(adapter);
 708                 if (err)
 709                         goto err_setup_rx;
 710                 err = e1000e_setup_tx_resources(adapter);
 711                 if (err)
 712                         goto err_setup_tx;
 713
 714                 /*
 715                  * restore the old in order to free it,
 716                  * then add in the new
 717                  */
 718                 adapter->rx_ring = rx_old;
 719                 adapter->tx_ring = tx_old;
 720                 e1000e_free_rx_resources(adapter);
 721                 e1000e_free_tx_resources(adapter);
 722                 kfree(tx_old);
 723                 kfree(rx_old);
 724                 adapter->rx_ring = rx_ring;
 725                 adapter->tx_ring = tx_ring;
 726                 err = e1000e_up(adapter);
 727                 if (err)
 728                         goto err_setup;
 729         }
 730
 731         clear_bit(__E1000_RESETTING, &adapter->state);
 732         return 0;
 733 err_setup_tx:
 734         e1000e_free_rx_resources(adapter);
 735 err_setup_rx:
 736         adapter->rx_ring = rx_old;
 737         adapter->tx_ring = tx_old;
 738         kfree(rx_ring);
 739 err_alloc_rx:
 740         kfree(tx_ring);
 741 err_alloc_tx:
 742         e1000e_up(adapter);
 743 err_setup:
 744         clear_bit(__E1000_RESETTING, &adapter->state);
 745         return err;
 746 }
 747
 748 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
 749                              int reg, int offset, u32 mask, u32 write)
 750 {
 751         u32 pat, val;
 752         static const u32 test[] =
 753                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
 754         for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
 755                 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
 756                                       (test[pat] & write));
 757                 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
 758                 if (val != (test[pat] & write & mask)) {
 759                         e_err("pattern test reg %04X failed: got 0x%08X "
 760                               "expected 0x%08X\n", reg + offset, val,
 761                               (test[pat] & write & mask));
 762                         *data = reg;
 763                         return 1;
 764                 }
 765         }
 766         return 0;
 767 }
 768
 769 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
 770                               int reg, u32 mask, u32 write)
 771 {
 772         u32 val;
 773         __ew32(&adapter->hw, reg, write & mask);
 774         val = __er32(&adapter->hw, reg);
 775         if ((write & mask) != (val & mask)) {
 776                 e_err("set/check reg %04X test failed: got 0x%08X "
 777                       "expected 0x%08X\n", reg, (val & mask), (write & mask));
 778                 *data = reg;
 779                 return 1;
 780         }
 781         return 0;
 782 }
 783 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write)                       \
 784         do {                                                                   \
 785                 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
 786                         return 1;                                              \
 787         } while (0)
 788 #define REG_PATTERN_TEST(reg, mask, write)                                     \
 789         REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
 790
 791 #define REG_SET_AND_CHECK(reg, mask, write)                                    \
 792         do {                                                                   \
 793                 if (reg_set_and_check(adapter, data, reg, mask, write))        \
 794                         return 1;                                              \
 795         } while (0)
 796
 797 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 798 {
 799         struct e1000_hw *hw = &adapter->hw;
 800         struct e1000_mac_info *mac = &adapter->hw.mac;
 801         u32 value;
 802         u32 before;
 803         u32 after;
 804         u32 i;
 805         u32 toggle;
 806         u32 mask;
 807
 808         /*
 809          * The status register is Read Only, so a write should fail.
 810          * Some bits that get toggled are ignored.
 811          */
 812         switch (mac->type) {
 813         /* there are several bits on newer hardware that are r/w */
 814         case e1000_82571:
 815         case e1000_82572:
 816         case e1000_80003es2lan:
 817                 toggle = 0x7FFFF3FF;
 818                 break;
 819         default:
 820                 toggle = 0x7FFFF033;
 821                 break;
 822         }
 823
 824         before = er32(STATUS);
 825         value = (er32(STATUS) & toggle);
 826         ew32(STATUS, toggle);
 827         after = er32(STATUS) & toggle;
 828         if (value != after) {
 829                 e_err("failed STATUS register test got: 0x%08X expected: "
 830                       "0x%08X\n", after, value);
 831                 *data = 1;
 832                 return 1;
 833         }
 834         /* restore previous status */
 835         ew32(STATUS, before);
 836
 837         if (!(adapter->flags & FLAG_IS_ICH)) {
 838                 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 839                 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
 840                 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
 841                 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
 842         }
 843
 844         REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
 845         REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 846         REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
 847         REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
 848         REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
 849         REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
 850         REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
 851         REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 852         REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 853         REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
 854
 855         REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
 856
 857         before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
 858         REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
 859         REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
 860
 861         REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
 862         REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 863         if (!(adapter->flags & FLAG_IS_ICH))
 864                 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
 865         REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 866         REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
 867         mask = 0x8003FFFF;
 868         switch (mac->type) {
 869         case e1000_ich10lan:
 870         case e1000_pchlan:
 871                 mask |= (1 << 18);
 872                 break;
 873         default:
 874                 break;
 875         }
 876         for (i = 0; i < mac->rar_entry_count; i++)
 877                 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
 878                                        mask, 0xFFFFFFFF);
 879
 880         for (i = 0; i < mac->mta_reg_count; i++)
 881                 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
 882
 883         *data = 0;
 884         return 0;
 885 }
 886
 887 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 888 {
 889         u16 temp;
 890         u16 checksum = 0;
 891         u16 i;
 892
 893         *data = 0;
 894         /* Read and add up the contents of the EEPROM */
 895         for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
 896                 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
 897                         *data = 1;
 898                         return *data;
 899                 }
 900                 checksum += temp;
 901         }
 902
 903         /* If Checksum is not Correct return error else test passed */
 904         if ((checksum != (u16) NVM_SUM) && !(*data))
 905                 *data = 2;
 906
 907         return *data;
 908 }
 909
 910 static irqreturn_t e1000_test_intr(int irq, void *data)
 911 {
 912         struct net_device *netdev = (struct net_device *) data;
 913         struct e1000_adapter *adapter = netdev_priv(netdev);
 914         struct e1000_hw *hw = &adapter->hw;
 915
 916         adapter->test_icr |= er32(ICR);
 917
 918         return IRQ_HANDLED;
 919 }
 920
 921 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 922 {
 923         struct net_device *netdev = adapter->netdev;
 924         struct e1000_hw *hw = &adapter->hw;
 925         u32 mask;
 926         u32 shared_int = 1;
 927         u32 irq = adapter->pdev->irq;
 928         int i;
 929         int ret_val = 0;
 930         int int_mode = E1000E_INT_MODE_LEGACY;
 931
 932         *data = 0;
 933
 934         /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
 935         if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
 936                 int_mode = adapter->int_mode;
 937                 e1000e_reset_interrupt_capability(adapter);
 938                 adapter->int_mode = E1000E_INT_MODE_LEGACY;
 939                 e1000e_set_interrupt_capability(adapter);
 940         }
 941         /* Hook up test interrupt handler just for this test */
 942         if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 943                          netdev)) {
 944                 shared_int = 0;
 945         } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
 946                  netdev->name, netdev)) {
 947                 *data = 1;
 948                 ret_val = -1;
 949                 goto out;
 950         }
 951         e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
 952
 953         /* Disable all the interrupts */
 954         ew32(IMC, 0xFFFFFFFF);
 955         msleep(10);
 956
 957         /* Test each interrupt */
 958         for (i = 0; i < 10; i++) {
 959                 /* Interrupt to test */
 960                 mask = 1 << i;
 961
 962                 if (adapter->flags & FLAG_IS_ICH) {
 963                         switch (mask) {
 964                         case E1000_ICR_RXSEQ:
 965                                 continue;
 966                         case 0x00000100:
 967                                 if (adapter->hw.mac.type == e1000_ich8lan ||
 968                                     adapter->hw.mac.type == e1000_ich9lan)
 969                                         continue;
 970                                 break;
 971                         default:
 972                                 break;
 973                         }
 974                 }
 975
 976                 if (!shared_int) {
 977                         /*
 978                          * Disable the interrupt to be reported in
 979                          * the cause register and then force the same
 980                          * interrupt and see if one gets posted.  If
 981                          * an interrupt was posted to the bus, the
 982                          * test failed.
 983                          */
 984                         adapter->test_icr = 0;
 985                         ew32(IMC, mask);
 986                         ew32(ICS, mask);
 987                         msleep(10);
 988
 989                         if (adapter->test_icr & mask) {
 990                                 *data = 3;
 991                                 break;
 992                         }
 993                 }
 994
 995                 /*
 996                  * Enable the interrupt to be reported in
 997                  * the cause register and then force the same
 998                  * interrupt and see if one gets posted.  If
 999                  * an interrupt was not posted to the bus, the
1000                  * test failed.
1001                  */
1002                 adapter->test_icr = 0;
1003                 ew32(IMS, mask);
1004                 ew32(ICS, mask);
1005                 msleep(10);
1006
1007                 if (!(adapter->test_icr & mask)) {
1008                         *data = 4;
1009                         break;
1010                 }
1011
1012                 if (!shared_int) {
1013                         /*
1014                          * Disable the other interrupts to be reported in
1015                          * the cause register and then force the other
1016                          * interrupts and see if any get posted.  If
1017                          * an interrupt was posted to the bus, the
1018                          * test failed.
1019                          */
1020                         adapter->test_icr = 0;
1021                         ew32(IMC, ~mask & 0x00007FFF);
1022                         ew32(ICS, ~mask & 0x00007FFF);
1023                         msleep(10);
1024
1025                         if (adapter->test_icr) {
1026                                 *data = 5;
1027                                 break;
1028                         }
1029                 }
1030         }
1031
1032         /* Disable all the interrupts */
1033         ew32(IMC, 0xFFFFFFFF);
1034         msleep(10);
1035
1036         /* Unhook test interrupt handler */
1037         free_irq(irq, netdev);
1038
1039 out:
1040         if (int_mode == E1000E_INT_MODE_MSIX) {
1041                 e1000e_reset_interrupt_capability(adapter);
1042                 adapter->int_mode = int_mode;
1043                 e1000e_set_interrupt_capability(adapter);
1044         }
1045
1046         return ret_val;
1047 }
1048
1049 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1050 {
1051         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1052         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1053         struct pci_dev *pdev = adapter->pdev;
1054         int i;
1055
1056         if (tx_ring->desc && tx_ring->buffer_info) {
1057                 for (i = 0; i < tx_ring->count; i++) {
1058                         if (tx_ring->buffer_info[i].dma)
1059                                 pci_unmap_single(pdev,
1060                                         tx_ring->buffer_info[i].dma,
1061                                         tx_ring->buffer_info[i].length,
1062                                         PCI_DMA_TODEVICE);
1063                         if (tx_ring->buffer_info[i].skb)
1064                                 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1065                 }
1066         }
1067
1068         if (rx_ring->desc && rx_ring->buffer_info) {
1069                 for (i = 0; i < rx_ring->count; i++) {
1070                         if (rx_ring->buffer_info[i].dma)
1071                                 pci_unmap_single(pdev,
1072                                         rx_ring->buffer_info[i].dma,
1073                                         2048, PCI_DMA_FROMDEVICE);
1074                         if (rx_ring->buffer_info[i].skb)
1075                                 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1076                 }
1077         }
1078
1079         if (tx_ring->desc) {
1080                 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1081                                   tx_ring->dma);
1082                 tx_ring->desc = NULL;
1083         }
1084         if (rx_ring->desc) {
1085                 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1086                                   rx_ring->dma);
1087                 rx_ring->desc = NULL;
1088         }
1089
1090         kfree(tx_ring->buffer_info);
1091         tx_ring->buffer_info = NULL;
1092         kfree(rx_ring->buffer_info);
1093         rx_ring->buffer_info = NULL;
1094 }
1095
1096 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1097 {
1098         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1099         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1100         struct pci_dev *pdev = adapter->pdev;
1101         struct e1000_hw *hw = &adapter->hw;
1102         u32 rctl;
1103         int i;
1104         int ret_val;
1105
1106         /* Setup Tx descriptor ring and Tx buffers */
1107
1108         if (!tx_ring->count)
1109                 tx_ring->count = E1000_DEFAULT_TXD;
1110
1111         tx_ring->buffer_info = kcalloc(tx_ring->count,
1112                                        sizeof(struct e1000_buffer),
1113                                        GFP_KERNEL);
1114         if (!(tx_ring->buffer_info)) {
1115                 ret_val = 1;
1116                 goto err_nomem;
1117         }
1118
1119         tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1120         tx_ring->size = ALIGN(tx_ring->size, 4096);
1121         tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1122                                            &tx_ring->dma, GFP_KERNEL);
1123         if (!tx_ring->desc) {
1124                 ret_val = 2;
1125                 goto err_nomem;
1126         }
1127         tx_ring->next_to_use = 0;
1128         tx_ring->next_to_clean = 0;
1129
1130         ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1131         ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1132         ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
1133         ew32(TDH, 0);
1134         ew32(TDT, 0);
1135         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1136              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1137              E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1138
1139         for (i = 0; i < tx_ring->count; i++) {
1140                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1141                 struct sk_buff *skb;
1142                 unsigned int skb_size = 1024;
1143
1144                 skb = alloc_skb(skb_size, GFP_KERNEL);
1145                 if (!skb) {
1146                         ret_val = 3;
1147                         goto err_nomem;
1148                 }
1149                 skb_put(skb, skb_size);
1150                 tx_ring->buffer_info[i].skb = skb;
1151                 tx_ring->buffer_info[i].length = skb->len;
1152                 tx_ring->buffer_info[i].dma =
1153                         pci_map_single(pdev, skb->data, skb->len,
1154                                        PCI_DMA_TODEVICE);
1155                 if (pci_dma_mapping_error(pdev, tx_ring->buffer_info[i].dma)) {
1156                         ret_val = 4;
1157                         goto err_nomem;
1158                 }
1159                 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1160                 tx_desc->lower.data = cpu_to_le32(skb->len);
1161                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1162                                                    E1000_TXD_CMD_IFCS |
1163                                                    E1000_TXD_CMD_RS);
1164                 tx_desc->upper.data = 0;
1165         }
1166
1167         /* Setup Rx descriptor ring and Rx buffers */
1168
1169         if (!rx_ring->count)
1170                 rx_ring->count = E1000_DEFAULT_RXD;
1171
1172         rx_ring->buffer_info = kcalloc(rx_ring->count,
1173                                        sizeof(struct e1000_buffer),
1174                                        GFP_KERNEL);
1175         if (!(rx_ring->buffer_info)) {
1176                 ret_val = 5;
1177                 goto err_nomem;
1178         }
1179
1180         rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1181         rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1182                                            &rx_ring->dma, GFP_KERNEL);
1183         if (!rx_ring->desc) {
1184                 ret_val = 6;
1185                 goto err_nomem;
1186         }
1187         rx_ring->next_to_use = 0;
1188         rx_ring->next_to_clean = 0;
1189
1190         rctl = er32(RCTL);
1191         ew32(RCTL, rctl & ~E1000_RCTL_EN);
1192         ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1193         ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1194         ew32(RDLEN, rx_ring->size);
1195         ew32(RDH, 0);
1196         ew32(RDT, 0);
1197         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1198                 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1199                 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1200                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1201                 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1202         ew32(RCTL, rctl);
1203
1204         for (i = 0; i < rx_ring->count; i++) {
1205                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1206                 struct sk_buff *skb;
1207
1208                 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1209                 if (!skb) {
1210                         ret_val = 7;
1211                         goto err_nomem;
1212                 }
1213                 skb_reserve(skb, NET_IP_ALIGN);
1214                 rx_ring->buffer_info[i].skb = skb;
1215                 rx_ring->buffer_info[i].dma =
1216                         pci_map_single(pdev, skb->data, 2048,
1217                                        PCI_DMA_FROMDEVICE);
1218                 if (pci_dma_mapping_error(pdev, rx_ring->buffer_info[i].dma)) {
1219                         ret_val = 8;
1220                         goto err_nomem;
1221                 }
1222                 rx_desc->buffer_addr =
1223                         cpu_to_le64(rx_ring->buffer_info[i].dma);
1224                 memset(skb->data, 0x00, skb->len);
1225         }
1226
1227         return 0;
1228
1229 err_nomem:
1230         e1000_free_desc_rings(adapter);
1231         return ret_val;
1232 }
1233
1234 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1235 {
1236         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1237         e1e_wphy(&adapter->hw, 29, 0x001F);
1238         e1e_wphy(&adapter->hw, 30, 0x8FFC);
1239         e1e_wphy(&adapter->hw, 29, 0x001A);
1240         e1e_wphy(&adapter->hw, 30, 0x8FF0);
1241 }
1242
1243 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1244 {
1245         struct e1000_hw *hw = &adapter->hw;
1246         u32 ctrl_reg = 0;
1247         u32 stat_reg = 0;
1248         u16 phy_reg = 0;
1249
1250         hw->mac.autoneg = 0;
1251
1252         if (hw->phy.type == e1000_phy_m88) {
1253                 /* Auto-MDI/MDIX Off */
1254                 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1255                 /* reset to update Auto-MDI/MDIX */
1256                 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1257                 /* autoneg off */
1258                 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1259         } else if (hw->phy.type == e1000_phy_gg82563)
1260                 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1261
1262         ctrl_reg = er32(CTRL);
1263
1264         switch (hw->phy.type) {
1265         case e1000_phy_ife:
1266                 /* force 100, set loopback */
1267                 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1268
1269                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1270                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1271                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1272                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1273                              E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1274                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1275                 break;
1276         case e1000_phy_bm:
1277                 /* Set Default MAC Interface speed to 1GB */
1278                 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1279                 phy_reg &= ~0x0007;
1280                 phy_reg |= 0x006;
1281                 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1282                 /* Assert SW reset for above settings to take effect */
1283                 e1000e_commit_phy(hw);
1284                 mdelay(1);
1285                 /* Force Full Duplex */
1286                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1287                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1288                 /* Set Link Up (in force link) */
1289                 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1290                 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1291                 /* Force Link */
1292                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1293                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1294                 /* Set Early Link Enable */
1295                 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1296                 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1297                 /* fall through */
1298         default:
1299                 /* force 1000, set loopback */
1300                 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1301                 mdelay(250);
1302
1303                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1304                 ctrl_reg = er32(CTRL);
1305                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1306                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1307                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1308                              E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1309                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1310
1311                 if (adapter->flags & FLAG_IS_ICH)
1312                         ctrl_reg |= E1000_CTRL_SLU;     /* Set Link Up */
1313         }
1314
1315         if (hw->phy.media_type == e1000_media_type_copper &&
1316             hw->phy.type == e1000_phy_m88) {
1317                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1318         } else {
1319                 /*
1320                  * Set the ILOS bit on the fiber Nic if half duplex link is
1321                  * detected.
1322                  */
1323                 stat_reg = er32(STATUS);
1324                 if ((stat_reg & E1000_STATUS_FD) == 0)
1325                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1326         }
1327
1328         ew32(CTRL, ctrl_reg);
1329
1330         /*
1331          * Disable the receiver on the PHY so when a cable is plugged in, the
1332          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1333          */
1334         if (hw->phy.type == e1000_phy_m88)
1335                 e1000_phy_disable_receiver(adapter);
1336
1337         udelay(500);
1338
1339         return 0;
1340 }
1341
1342 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1343 {
1344         struct e1000_hw *hw = &adapter->hw;
1345         u32 ctrl = er32(CTRL);
1346         int link = 0;
1347
1348         /* special requirements for 82571/82572 fiber adapters */
1349
1350         /*
1351          * jump through hoops to make sure link is up because serdes
1352          * link is hardwired up
1353          */
1354         ctrl |= E1000_CTRL_SLU;
1355         ew32(CTRL, ctrl);
1356
1357         /* disable autoneg */
1358         ctrl = er32(TXCW);
1359         ctrl &= ~(1 << 31);
1360         ew32(TXCW, ctrl);
1361
1362         link = (er32(STATUS) & E1000_STATUS_LU);
1363
1364         if (!link) {
1365                 /* set invert loss of signal */
1366                 ctrl = er32(CTRL);
1367                 ctrl |= E1000_CTRL_ILOS;
1368                 ew32(CTRL, ctrl);
1369         }
1370
1371         /*
1372          * special write to serdes control register to enable SerDes analog
1373          * loopback
1374          */
1375 #define E1000_SERDES_LB_ON 0x410
1376         ew32(SCTL, E1000_SERDES_LB_ON);
1377         msleep(10);
1378
1379         return 0;
1380 }
1381
1382 /* only call this for fiber/serdes connections to es2lan */
1383 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1384 {
1385         struct e1000_hw *hw = &adapter->hw;
1386         u32 ctrlext = er32(CTRL_EXT);
1387         u32 ctrl = er32(CTRL);
1388
1389         /*
1390          * save CTRL_EXT to restore later, reuse an empty variable (unused
1391          * on mac_type 80003es2lan)
1392          */
1393         adapter->tx_fifo_head = ctrlext;
1394
1395         /* clear the serdes mode bits, putting the device into mac loopback */
1396         ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1397         ew32(CTRL_EXT, ctrlext);
1398
1399         /* force speed to 1000/FD, link up */
1400         ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1401         ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1402                  E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1403         ew32(CTRL, ctrl);
1404
1405         /* set mac loopback */
1406         ctrl = er32(RCTL);
1407         ctrl |= E1000_RCTL_LBM_MAC;
1408         ew32(RCTL, ctrl);
1409
1410         /* set testing mode parameters (no need to reset later) */
1411 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1412 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1413         ew32(KMRNCTRLSTA,
1414              (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1415
1416         return 0;
1417 }
1418
1419 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1420 {
1421         struct e1000_hw *hw = &adapter->hw;
1422         u32 rctl;
1423
1424         if (hw->phy.media_type == e1000_media_type_fiber ||
1425             hw->phy.media_type == e1000_media_type_internal_serdes) {
1426                 switch (hw->mac.type) {
1427                 case e1000_80003es2lan:
1428                         return e1000_set_es2lan_mac_loopback(adapter);
1429                         break;
1430                 case e1000_82571:
1431                 case e1000_82572:
1432                         return e1000_set_82571_fiber_loopback(adapter);
1433                         break;
1434                 default:
1435                         rctl = er32(RCTL);
1436                         rctl |= E1000_RCTL_LBM_TCVR;
1437                         ew32(RCTL, rctl);
1438                         return 0;
1439                 }
1440         } else if (hw->phy.media_type == e1000_media_type_copper) {
1441                 return e1000_integrated_phy_loopback(adapter);
1442         }
1443
1444         return 7;
1445 }
1446
1447 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1448 {
1449         struct e1000_hw *hw = &adapter->hw;
1450         u32 rctl;
1451         u16 phy_reg;
1452
1453         rctl = er32(RCTL);
1454         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1455         ew32(RCTL, rctl);
1456
1457         switch (hw->mac.type) {
1458         case e1000_80003es2lan:
1459                 if (hw->phy.media_type == e1000_media_type_fiber ||
1460                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1461                         /* restore CTRL_EXT, stealing space from tx_fifo_head */
1462                         ew32(CTRL_EXT, adapter->tx_fifo_head);
1463                         adapter->tx_fifo_head = 0;
1464                 }
1465                 /* fall through */
1466         case e1000_82571:
1467         case e1000_82572:
1468                 if (hw->phy.media_type == e1000_media_type_fiber ||
1469                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1470 #define E1000_SERDES_LB_OFF 0x400
1471                         ew32(SCTL, E1000_SERDES_LB_OFF);
1472                         msleep(10);
1473                         break;
1474                 }
1475                 /* Fall Through */
1476         default:
1477                 hw->mac.autoneg = 1;
1478                 if (hw->phy.type == e1000_phy_gg82563)
1479                         e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1480                 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1481                 if (phy_reg & MII_CR_LOOPBACK) {
1482                         phy_reg &= ~MII_CR_LOOPBACK;
1483                         e1e_wphy(hw, PHY_CONTROL, phy_reg);
1484                         e1000e_commit_phy(hw);
1485                 }
1486                 break;
1487         }
1488 }
1489
1490 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1491                                       unsigned int frame_size)
1492 {
1493         memset(skb->data, 0xFF, frame_size);
1494         frame_size &= ~1;
1495         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1496         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1497         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1498 }
1499
1500 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1501                                     unsigned int frame_size)
1502 {
1503         frame_size &= ~1;
1504         if (*(skb->data + 3) == 0xFF)
1505                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1506                    (*(skb->data + frame_size / 2 + 12) == 0xAF))
1507                         return 0;
1508         return 13;
1509 }
1510
1511 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1512 {
1513         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1514         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1515         struct pci_dev *pdev = adapter->pdev;
1516         struct e1000_hw *hw = &adapter->hw;
1517         int i, j, k, l;
1518         int lc;
1519         int good_cnt;
1520         int ret_val = 0;
1521         unsigned long time;
1522
1523         ew32(RDT, rx_ring->count - 1);
1524
1525         /*
1526          * Calculate the loop count based on the largest descriptor ring
1527          * The idea is to wrap the largest ring a number of times using 64
1528          * send/receive pairs during each loop
1529          */
1530
1531         if (rx_ring->count <= tx_ring->count)
1532                 lc = ((tx_ring->count / 64) * 2) + 1;
1533         else
1534                 lc = ((rx_ring->count / 64) * 2) + 1;
1535
1536         k = 0;
1537         l = 0;
1538         for (j = 0; j <= lc; j++) { /* loop count loop */
1539                 for (i = 0; i < 64; i++) { /* send the packets */
1540                         e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1541                                                   1024);
1542                         pci_dma_sync_single_for_device(pdev,
1543                                         tx_ring->buffer_info[k].dma,
1544                                         tx_ring->buffer_info[k].length,
1545                                         PCI_DMA_TODEVICE);
1546                         k++;
1547                         if (k == tx_ring->count)
1548                                 k = 0;
1549                 }
1550                 ew32(TDT, k);
1551                 msleep(200);
1552                 time = jiffies; /* set the start time for the receive */
1553                 good_cnt = 0;
1554                 do { /* receive the sent packets */
1555                         pci_dma_sync_single_for_cpu(pdev,
1556                                         rx_ring->buffer_info[l].dma, 2048,
1557                                         PCI_DMA_FROMDEVICE);
1558
1559                         ret_val = e1000_check_lbtest_frame(
1560                                         rx_ring->buffer_info[l].skb, 1024);
1561                         if (!ret_val)
1562                                 good_cnt++;
1563                         l++;
1564                         if (l == rx_ring->count)
1565                                 l = 0;
1566                         /*
1567                          * time + 20 msecs (200 msecs on 2.4) is more than
1568                          * enough time to complete the receives, if it's
1569                          * exceeded, break and error off
1570                          */
1571                 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1572                 if (good_cnt != 64) {
1573                         ret_val = 13; /* ret_val is the same as mis-compare */
1574                         break;
1575                 }
1576                 if (jiffies >= (time + 20)) {
1577                         ret_val = 14; /* error code for time out error */
1578                         break;
1579                 }
1580         } /* end loop count loop */
1581         return ret_val;
1582 }
1583
1584 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1585 {
1586         /*
1587          * PHY loopback cannot be performed if SoL/IDER
1588          * sessions are active
1589          */
1590         if (e1000_check_reset_block(&adapter->hw)) {
1591                 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1592                 *data = 0;
1593                 goto out;
1594         }
1595
1596         *data = e1000_setup_desc_rings(adapter);
1597         if (*data)
1598                 goto out;
1599
1600         *data = e1000_setup_loopback_test(adapter);
1601         if (*data)
1602                 goto err_loopback;
1603
1604         *data = e1000_run_loopback_test(adapter);
1605         e1000_loopback_cleanup(adapter);
1606
1607 err_loopback:
1608         e1000_free_desc_rings(adapter);
1609 out:
1610         return *data;
1611 }
1612
1613 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1614 {
1615         struct e1000_hw *hw = &adapter->hw;
1616
1617         *data = 0;
1618         if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1619                 int i = 0;
1620                 hw->mac.serdes_has_link = false;
1621
1622                 /*
1623                  * On some blade server designs, link establishment
1624                  * could take as long as 2-3 minutes
1625                  */
1626                 do {
1627                         hw->mac.ops.check_for_link(hw);
1628                         if (hw->mac.serdes_has_link)
1629                                 return *data;
1630                         msleep(20);
1631                 } while (i++ < 3750);
1632
1633                 *data = 1;
1634         } else {
1635                 hw->mac.ops.check_for_link(hw);
1636                 if (hw->mac.autoneg)
1637                         msleep(4000);
1638
1639                 if (!(er32(STATUS) &
1640                       E1000_STATUS_LU))
1641                         *data = 1;
1642         }
1643         return *data;
1644 }
1645
1646 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1647 {
1648         switch (sset) {
1649         case ETH_SS_TEST:
1650                 return E1000_TEST_LEN;
1651         case ETH_SS_STATS:
1652                 return E1000_STATS_LEN;
1653         default:
1654                 return -EOPNOTSUPP;
1655         }
1656 }
1657
1658 static void e1000_diag_test(struct net_device *netdev,
1659                             struct ethtool_test *eth_test, u64 *data)
1660 {
1661         struct e1000_adapter *adapter = netdev_priv(netdev);
1662         u16 autoneg_advertised;
1663         u8 forced_speed_duplex;
1664         u8 autoneg;
1665         bool if_running = netif_running(netdev);
1666
1667         set_bit(__E1000_TESTING, &adapter->state);
1668         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1669                 /* Offline tests */
1670
1671                 /* save speed, duplex, autoneg settings */
1672                 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1673                 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1674                 autoneg = adapter->hw.mac.autoneg;
1675
1676                 e_info("offline testing starting\n");
1677
1678                 /*
1679                  * Link test performed before hardware reset so autoneg doesn't
1680                  * interfere with test result
1681                  */
1682                 if (e1000_link_test(adapter, &data[4]))
1683                         eth_test->flags |= ETH_TEST_FL_FAILED;
1684
1685                 if (if_running)
1686                         /* indicate we're in test mode */
1687                         dev_close(netdev);
1688                 else
1689                         e1000e_reset(adapter);
1690
1691                 if (e1000_reg_test(adapter, &data[0]))
1692                         eth_test->flags |= ETH_TEST_FL_FAILED;
1693
1694                 e1000e_reset(adapter);
1695                 if (e1000_eeprom_test(adapter, &data[1]))
1696                         eth_test->flags |= ETH_TEST_FL_FAILED;
1697
1698                 e1000e_reset(adapter);
1699                 if (e1000_intr_test(adapter, &data[2]))
1700                         eth_test->flags |= ETH_TEST_FL_FAILED;
1701
1702                 e1000e_reset(adapter);
1703                 /* make sure the phy is powered up */
1704                 e1000e_power_up_phy(adapter);
1705                 if (e1000_loopback_test(adapter, &data[3]))
1706                         eth_test->flags |= ETH_TEST_FL_FAILED;
1707
1708                 /* restore speed, duplex, autoneg settings */
1709                 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1710                 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1711                 adapter->hw.mac.autoneg = autoneg;
1712
1713                 /* force this routine to wait until autoneg complete/timeout */
1714                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1715                 e1000e_reset(adapter);
1716                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1717
1718                 clear_bit(__E1000_TESTING, &adapter->state);
1719                 if (if_running)
1720                         dev_open(netdev);
1721         } else {
1722                 e_info("online testing starting\n");
1723                 /* Online tests */
1724                 if (e1000_link_test(adapter, &data[4]))
1725                         eth_test->flags |= ETH_TEST_FL_FAILED;
1726
1727                 /* Online tests aren't run; pass by default */
1728                 data[0] = 0;
1729                 data[1] = 0;
1730                 data[2] = 0;
1731                 data[3] = 0;
1732
1733                 clear_bit(__E1000_TESTING, &adapter->state);
1734         }
1735         msleep_interruptible(4 * 1000);
1736 }
1737
1738 static void e1000_get_wol(struct net_device *netdev,
1739                           struct ethtool_wolinfo *wol)
1740 {
1741         struct e1000_adapter *adapter = netdev_priv(netdev);
1742
1743         wol->supported = 0;
1744         wol->wolopts = 0;
1745
1746         if (!(adapter->flags & FLAG_HAS_WOL) ||
1747             !device_can_wakeup(&adapter->pdev->dev))
1748                 return;
1749
1750         wol->supported = WAKE_UCAST | WAKE_MCAST |
1751                          WAKE_BCAST | WAKE_MAGIC |
1752                          WAKE_PHY | WAKE_ARP;
1753
1754         /* apply any specific unsupported masks here */
1755         if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1756                 wol->supported &= ~WAKE_UCAST;
1757
1758                 if (adapter->wol & E1000_WUFC_EX)
1759                         e_err("Interface does not support directed (unicast) "
1760                               "frame wake-up packets\n");
1761         }
1762
1763         if (adapter->wol & E1000_WUFC_EX)
1764                 wol->wolopts |= WAKE_UCAST;
1765         if (adapter->wol & E1000_WUFC_MC)
1766                 wol->wolopts |= WAKE_MCAST;
1767         if (adapter->wol & E1000_WUFC_BC)
1768                 wol->wolopts |= WAKE_BCAST;
1769         if (adapter->wol & E1000_WUFC_MAG)
1770                 wol->wolopts |= WAKE_MAGIC;
1771         if (adapter->wol & E1000_WUFC_LNKC)
1772                 wol->wolopts |= WAKE_PHY;
1773         if (adapter->wol & E1000_WUFC_ARP)
1774                 wol->wolopts |= WAKE_ARP;
1775 }
1776
1777 static int e1000_set_wol(struct net_device *netdev,
1778                          struct ethtool_wolinfo *wol)
1779 {
1780         struct e1000_adapter *adapter = netdev_priv(netdev);
1781
1782         if (!(adapter->flags & FLAG_HAS_WOL) ||
1783             !device_can_wakeup(&adapter->pdev->dev) ||
1784             (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1785                               WAKE_MAGIC | WAKE_PHY | WAKE_ARP)))
1786                 return -EOPNOTSUPP;
1787
1788         /* these settings will always override what we currently have */
1789         adapter->wol = 0;
1790
1791         if (wol->wolopts & WAKE_UCAST)
1792                 adapter->wol |= E1000_WUFC_EX;
1793         if (wol->wolopts & WAKE_MCAST)
1794                 adapter->wol |= E1000_WUFC_MC;
1795         if (wol->wolopts & WAKE_BCAST)
1796                 adapter->wol |= E1000_WUFC_BC;
1797         if (wol->wolopts & WAKE_MAGIC)
1798                 adapter->wol |= E1000_WUFC_MAG;
1799         if (wol->wolopts & WAKE_PHY)
1800                 adapter->wol |= E1000_WUFC_LNKC;
1801         if (wol->wolopts & WAKE_ARP)
1802                 adapter->wol |= E1000_WUFC_ARP;
1803
1804         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1805
1806         return 0;
1807 }
1808
1809 /* toggle LED 4 times per second = 2 "blinks" per second */
1810 #define E1000_ID_INTERVAL       (HZ/4)
1811
1812 /* bit defines for adapter->led_status */
1813 #define E1000_LED_ON            0
1814
1815 static void e1000e_led_blink_task(struct work_struct *work)
1816 {
1817         struct e1000_adapter *adapter = container_of(work,
1818                                         struct e1000_adapter, led_blink_task);
1819
1820         if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1821                 adapter->hw.mac.ops.led_off(&adapter->hw);
1822         else
1823                 adapter->hw.mac.ops.led_on(&adapter->hw);
1824 }
1825
1826 static void e1000_led_blink_callback(unsigned long data)
1827 {
1828         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1829
1830         schedule_work(&adapter->led_blink_task);
1831         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1832 }
1833
1834 static int e1000_phys_id(struct net_device *netdev, u32 data)
1835 {
1836         struct e1000_adapter *adapter = netdev_priv(netdev);
1837         struct e1000_hw *hw = &adapter->hw;
1838
1839         if (!data)
1840                 data = INT_MAX;
1841
1842         if ((hw->phy.type == e1000_phy_ife) ||
1843             (hw->mac.type == e1000_pchlan) ||
1844             (hw->mac.type == e1000_82583) ||
1845             (hw->mac.type == e1000_82574)) {
1846                 INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task);
1847                 if (!adapter->blink_timer.function) {
1848                         init_timer(&adapter->blink_timer);
1849                         adapter->blink_timer.function =
1850                                 e1000_led_blink_callback;
1851                         adapter->blink_timer.data = (unsigned long) adapter;
1852                 }
1853                 mod_timer(&adapter->blink_timer, jiffies);
1854                 msleep_interruptible(data * 1000);
1855                 del_timer_sync(&adapter->blink_timer);
1856                 if (hw->phy.type == e1000_phy_ife)
1857                         e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1858         } else {
1859                 e1000e_blink_led(hw);
1860                 msleep_interruptible(data * 1000);
1861         }
1862
1863         hw->mac.ops.led_off(hw);
1864         clear_bit(E1000_LED_ON, &adapter->led_status);
1865         hw->mac.ops.cleanup_led(hw);
1866
1867         return 0;
1868 }
1869
1870 static int e1000_get_coalesce(struct net_device *netdev,
1871                               struct ethtool_coalesce *ec)
1872 {
1873         struct e1000_adapter *adapter = netdev_priv(netdev);
1874
1875         if (adapter->itr_setting <= 3)
1876                 ec->rx_coalesce_usecs = adapter->itr_setting;
1877         else
1878                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1879
1880         return 0;
1881 }
1882
1883 static int e1000_set_coalesce(struct net_device *netdev,
1884                               struct ethtool_coalesce *ec)
1885 {
1886         struct e1000_adapter *adapter = netdev_priv(netdev);
1887         struct e1000_hw *hw = &adapter->hw;
1888
1889         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1890             ((ec->rx_coalesce_usecs > 3) &&
1891              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1892             (ec->rx_coalesce_usecs == 2))
1893                 return -EINVAL;
1894
1895         if (ec->rx_coalesce_usecs <= 3) {
1896                 adapter->itr = 20000;
1897                 adapter->itr_setting = ec->rx_coalesce_usecs;
1898         } else {
1899                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1900                 adapter->itr_setting = adapter->itr & ~3;
1901         }
1902
1903         if (adapter->itr_setting != 0)
1904                 ew32(ITR, 1000000000 / (adapter->itr * 256));
1905         else
1906                 ew32(ITR, 0);
1907
1908         return 0;
1909 }
1910
1911 static int e1000_nway_reset(struct net_device *netdev)
1912 {
1913         struct e1000_adapter *adapter = netdev_priv(netdev);
1914         if (netif_running(netdev))
1915                 e1000e_reinit_locked(adapter);
1916         return 0;
1917 }
1918
1919 static void e1000_get_ethtool_stats(struct net_device *netdev,
1920                                     struct ethtool_stats *stats,
1921                                     u64 *data)
1922 {
1923         struct e1000_adapter *adapter = netdev_priv(netdev);
1924         int i;
1925         char *p = NULL;
1926
1927         e1000e_update_stats(adapter);
1928         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1929                 switch (e1000_gstrings_stats[i].type) {
1930                 case NETDEV_STATS:
1931                         p = (char *) netdev +
1932                                         e1000_gstrings_stats[i].stat_offset;
1933                         break;
1934                 case E1000_STATS:
1935                         p = (char *) adapter +
1936                                         e1000_gstrings_stats[i].stat_offset;
1937                         break;
1938                 }
1939
1940                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1941                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1942         }
1943 }
1944
1945 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1946                               u8 *data)
1947 {
1948         u8 *p = data;
1949         int i;
1950
1951         switch (stringset) {
1952         case ETH_SS_TEST:
1953                 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
1954                 break;
1955         case ETH_SS_STATS:
1956                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1957                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1958                                ETH_GSTRING_LEN);
1959                         p += ETH_GSTRING_LEN;
1960                 }
1961                 break;
1962         }
1963 }
1964
1965 static const struct ethtool_ops e1000_ethtool_ops = {
1966         .get_settings           = e1000_get_settings,
1967         .set_settings           = e1000_set_settings,
1968         .get_drvinfo            = e1000_get_drvinfo,
1969         .get_regs_len           = e1000_get_regs_len,
1970         .get_regs               = e1000_get_regs,
1971         .get_wol                = e1000_get_wol,
1972         .set_wol                = e1000_set_wol,
1973         .get_msglevel           = e1000_get_msglevel,
1974         .set_msglevel           = e1000_set_msglevel,
1975         .nway_reset             = e1000_nway_reset,
1976         .get_link               = e1000_get_link,
1977         .get_eeprom_len         = e1000_get_eeprom_len,
1978         .get_eeprom             = e1000_get_eeprom,
1979         .set_eeprom             = e1000_set_eeprom,
1980         .get_ringparam          = e1000_get_ringparam,
1981         .set_ringparam          = e1000_set_ringparam,
1982         .get_pauseparam         = e1000_get_pauseparam,
1983         .set_pauseparam         = e1000_set_pauseparam,
1984         .get_rx_csum            = e1000_get_rx_csum,
1985         .set_rx_csum            = e1000_set_rx_csum,
1986         .get_tx_csum            = e1000_get_tx_csum,
1987         .set_tx_csum            = e1000_set_tx_csum,
1988         .get_sg                 = ethtool_op_get_sg,
1989         .set_sg                 = ethtool_op_set_sg,
1990         .get_tso                = ethtool_op_get_tso,
1991         .set_tso                = e1000_set_tso,
1992         .self_test              = e1000_diag_test,
1993         .get_strings            = e1000_get_strings,
1994         .phys_id                = e1000_phys_id,
1995         .get_ethtool_stats      = e1000_get_ethtool_stats,
1996         .get_sset_count         = e1000e_get_sset_count,
1997         .get_coalesce           = e1000_get_coalesce,
1998         .set_coalesce           = e1000_set_coalesce,
1999 };
2000
2001 void e1000e_set_ethtool_ops(struct net_device *netdev)
2002 {
2003         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2004 }