drivers/net/ethernet/intel/e1000e/ethtool.c

   1 /*******************************************************************************
   2
   3   Intel PRO/1000 Linux driver
   4   Copyright(c) 1999 - 2011 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/interrupt.h>
  33 #include <linux/ethtool.h>
  34 #include <linux/pci.h>
  35 #include <linux/slab.h>
  36 #include <linux/delay.h>
  37
  38 #include "e1000.h"
  39
  40 enum {NETDEV_STATS, E1000_STATS};
  41
  42 struct e1000_stats {
  43         char stat_string[ETH_GSTRING_LEN];
  44         int type;
  45         int sizeof_stat;
  46         int stat_offset;
  47 };
  48
  49 #define E1000_STAT(str, m) { \
  50                 .stat_string = str, \
  51                 .type = E1000_STATS, \
  52                 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
  53                 .stat_offset = offsetof(struct e1000_adapter, m) }
  54 #define E1000_NETDEV_STAT(str, m) { \
  55                 .stat_string = str, \
  56                 .type = NETDEV_STATS, \
  57                 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
  58                 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
  59
  60 static const struct e1000_stats e1000_gstrings_stats[] = {
  61         E1000_STAT("rx_packets", stats.gprc),
  62         E1000_STAT("tx_packets", stats.gptc),
  63         E1000_STAT("rx_bytes", stats.gorc),
  64         E1000_STAT("tx_bytes", stats.gotc),
  65         E1000_STAT("rx_broadcast", stats.bprc),
  66         E1000_STAT("tx_broadcast", stats.bptc),
  67         E1000_STAT("rx_multicast", stats.mprc),
  68         E1000_STAT("tx_multicast", stats.mptc),
  69         E1000_NETDEV_STAT("rx_errors", rx_errors),
  70         E1000_NETDEV_STAT("tx_errors", tx_errors),
  71         E1000_NETDEV_STAT("tx_dropped", tx_dropped),
  72         E1000_STAT("multicast", stats.mprc),
  73         E1000_STAT("collisions", stats.colc),
  74         E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
  75         E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
  76         E1000_STAT("rx_crc_errors", stats.crcerrs),
  77         E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
  78         E1000_STAT("rx_no_buffer_count", stats.rnbc),
  79         E1000_STAT("rx_missed_errors", stats.mpc),
  80         E1000_STAT("tx_aborted_errors", stats.ecol),
  81         E1000_STAT("tx_carrier_errors", stats.tncrs),
  82         E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
  83         E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
  84         E1000_STAT("tx_window_errors", stats.latecol),
  85         E1000_STAT("tx_abort_late_coll", stats.latecol),
  86         E1000_STAT("tx_deferred_ok", stats.dc),
  87         E1000_STAT("tx_single_coll_ok", stats.scc),
  88         E1000_STAT("tx_multi_coll_ok", stats.mcc),
  89         E1000_STAT("tx_timeout_count", tx_timeout_count),
  90         E1000_STAT("tx_restart_queue", restart_queue),
  91         E1000_STAT("rx_long_length_errors", stats.roc),
  92         E1000_STAT("rx_short_length_errors", stats.ruc),
  93         E1000_STAT("rx_align_errors", stats.algnerrc),
  94         E1000_STAT("tx_tcp_seg_good", stats.tsctc),
  95         E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
  96         E1000_STAT("rx_flow_control_xon", stats.xonrxc),
  97         E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
  98         E1000_STAT("tx_flow_control_xon", stats.xontxc),
  99         E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
 100         E1000_STAT("rx_long_byte_count", stats.gorc),
 101         E1000_STAT("rx_csum_offload_good", hw_csum_good),
 102         E1000_STAT("rx_csum_offload_errors", hw_csum_err),
 103         E1000_STAT("rx_header_split", rx_hdr_split),
 104         E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
 105         E1000_STAT("tx_smbus", stats.mgptc),
 106         E1000_STAT("rx_smbus", stats.mgprc),
 107         E1000_STAT("dropped_smbus", stats.mgpdc),
 108         E1000_STAT("rx_dma_failed", rx_dma_failed),
 109         E1000_STAT("tx_dma_failed", tx_dma_failed),
 110 };
 111
 112 #define E1000_GLOBAL_STATS_LEN  ARRAY_SIZE(e1000_gstrings_stats)
 113 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
 114 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 115         "Register test  (offline)", "Eeprom test    (offline)",
 116         "Interrupt test (offline)", "Loopback test  (offline)",
 117         "Link test   (on/offline)"
 118 };
 119 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
 120
 121 static int e1000_get_settings(struct net_device *netdev,
 122                               struct ethtool_cmd *ecmd)
 123 {
 124         struct e1000_adapter *adapter = netdev_priv(netdev);
 125         struct e1000_hw *hw = &adapter->hw;
 126         u32 speed;
 127
 128         if (hw->phy.media_type == e1000_media_type_copper) {
 129
 130                 ecmd->supported = (SUPPORTED_10baseT_Half |
 131                                    SUPPORTED_10baseT_Full |
 132                                    SUPPORTED_100baseT_Half |
 133                                    SUPPORTED_100baseT_Full |
 134                                    SUPPORTED_1000baseT_Full |
 135                                    SUPPORTED_Autoneg |
 136                                    SUPPORTED_TP);
 137                 if (hw->phy.type == e1000_phy_ife)
 138                         ecmd->supported &= ~SUPPORTED_1000baseT_Full;
 139                 ecmd->advertising = ADVERTISED_TP;
 140
 141                 if (hw->mac.autoneg == 1) {
 142                         ecmd->advertising |= ADVERTISED_Autoneg;
 143                         /* the e1000 autoneg seems to match ethtool nicely */
 144                         ecmd->advertising |= hw->phy.autoneg_advertised;
 145                 }
 146
 147                 ecmd->port = PORT_TP;
 148                 ecmd->phy_address = hw->phy.addr;
 149                 ecmd->transceiver = XCVR_INTERNAL;
 150
 151         } else {
 152                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 153                                      SUPPORTED_FIBRE |
 154                                      SUPPORTED_Autoneg);
 155
 156                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 157                                      ADVERTISED_FIBRE |
 158                                      ADVERTISED_Autoneg);
 159
 160                 ecmd->port = PORT_FIBRE;
 161                 ecmd->transceiver = XCVR_EXTERNAL;
 162         }
 163
 164         speed = -1;
 165         ecmd->duplex = -1;
 166
 167         if (netif_running(netdev)) {
 168                 if (netif_carrier_ok(netdev)) {
 169                         speed = adapter->link_speed;
 170                         ecmd->duplex = adapter->link_duplex - 1;
 171                 }
 172         } else {
 173                 u32 status = er32(STATUS);
 174                 if (status & E1000_STATUS_LU) {
 175                         if (status & E1000_STATUS_SPEED_1000)
 176                                 speed = SPEED_1000;
 177                         else if (status & E1000_STATUS_SPEED_100)
 178                                 speed = SPEED_100;
 179                         else
 180                                 speed = SPEED_10;
 181
 182                         if (status & E1000_STATUS_FD)
 183                                 ecmd->duplex = DUPLEX_FULL;
 184                         else
 185                                 ecmd->duplex = DUPLEX_HALF;
 186                 }
 187         }
 188
 189         ethtool_cmd_speed_set(ecmd, speed);
 190         ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
 191                          hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 192
 193         /* MDI-X => 2; MDI =>1; Invalid =>0 */
 194         if ((hw->phy.media_type == e1000_media_type_copper) &&
 195             netif_carrier_ok(netdev))
 196                 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
 197                                                       ETH_TP_MDI;
 198         else
 199                 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
 200
 201         return 0;
 202 }
 203
 204 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
 205 {
 206         struct e1000_mac_info *mac = &adapter->hw.mac;
 207
 208         mac->autoneg = 0;
 209
 210         /* Make sure dplx is at most 1 bit and lsb of speed is not set
 211          * for the switch() below to work */
 212         if ((spd & 1) || (dplx & ~1))
 213                 goto err_inval;
 214
 215         /* Fiber NICs only allow 1000 gbps Full duplex */
 216         if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
 217             spd != SPEED_1000 &&
 218             dplx != DUPLEX_FULL) {
 219                 goto err_inval;
 220         }
 221
 222         switch (spd + dplx) {
 223         case SPEED_10 + DUPLEX_HALF:
 224                 mac->forced_speed_duplex = ADVERTISE_10_HALF;
 225                 break;
 226         case SPEED_10 + DUPLEX_FULL:
 227                 mac->forced_speed_duplex = ADVERTISE_10_FULL;
 228                 break;
 229         case SPEED_100 + DUPLEX_HALF:
 230                 mac->forced_speed_duplex = ADVERTISE_100_HALF;
 231                 break;
 232         case SPEED_100 + DUPLEX_FULL:
 233                 mac->forced_speed_duplex = ADVERTISE_100_FULL;
 234                 break;
 235         case SPEED_1000 + DUPLEX_FULL:
 236                 mac->autoneg = 1;
 237                 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
 238                 break;
 239         case SPEED_1000 + DUPLEX_HALF: /* not supported */
 240         default:
 241                 goto err_inval;
 242         }
 243         return 0;
 244
 245 err_inval:
 246         e_err("Unsupported Speed/Duplex configuration\n");
 247         return -EINVAL;
 248 }
 249
 250 static int e1000_set_settings(struct net_device *netdev,
 251                               struct ethtool_cmd *ecmd)
 252 {
 253         struct e1000_adapter *adapter = netdev_priv(netdev);
 254         struct e1000_hw *hw = &adapter->hw;
 255
 256         /*
 257          * When SoL/IDER sessions are active, autoneg/speed/duplex
 258          * cannot be changed
 259          */
 260         if (e1000_check_reset_block(hw)) {
 261                 e_err("Cannot change link characteristics when SoL/IDER is "
 262                       "active.\n");
 263                 return -EINVAL;
 264         }
 265
 266         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 267                 usleep_range(1000, 2000);
 268
 269         if (ecmd->autoneg == AUTONEG_ENABLE) {
 270                 hw->mac.autoneg = 1;
 271                 if (hw->phy.media_type == e1000_media_type_fiber)
 272                         hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
 273                                                      ADVERTISED_FIBRE |
 274                                                      ADVERTISED_Autoneg;
 275                 else
 276                         hw->phy.autoneg_advertised = ecmd->advertising |
 277                                                      ADVERTISED_TP |
 278                                                      ADVERTISED_Autoneg;
 279                 ecmd->advertising = hw->phy.autoneg_advertised;
 280                 if (adapter->fc_autoneg)
 281                         hw->fc.requested_mode = e1000_fc_default;
 282         } else {
 283                 u32 speed = ethtool_cmd_speed(ecmd);
 284                 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
 285                         clear_bit(__E1000_RESETTING, &adapter->state);
 286                         return -EINVAL;
 287                 }
 288         }
 289
 290         /* reset the link */
 291
 292         if (netif_running(adapter->netdev)) {
 293                 e1000e_down(adapter);
 294                 e1000e_up(adapter);
 295         } else {
 296                 e1000e_reset(adapter);
 297         }
 298
 299         clear_bit(__E1000_RESETTING, &adapter->state);
 300         return 0;
 301 }
 302
 303 static void e1000_get_pauseparam(struct net_device *netdev,
 304                                  struct ethtool_pauseparam *pause)
 305 {
 306         struct e1000_adapter *adapter = netdev_priv(netdev);
 307         struct e1000_hw *hw = &adapter->hw;
 308
 309         pause->autoneg =
 310                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 311
 312         if (hw->fc.current_mode == e1000_fc_rx_pause) {
 313                 pause->rx_pause = 1;
 314         } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
 315                 pause->tx_pause = 1;
 316         } else if (hw->fc.current_mode == e1000_fc_full) {
 317                 pause->rx_pause = 1;
 318                 pause->tx_pause = 1;
 319         }
 320 }
 321
 322 static int e1000_set_pauseparam(struct net_device *netdev,
 323                                 struct ethtool_pauseparam *pause)
 324 {
 325         struct e1000_adapter *adapter = netdev_priv(netdev);
 326         struct e1000_hw *hw = &adapter->hw;
 327         int retval = 0;
 328
 329         adapter->fc_autoneg = pause->autoneg;
 330
 331         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 332                 usleep_range(1000, 2000);
 333
 334         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 335                 hw->fc.requested_mode = e1000_fc_default;
 336                 if (netif_running(adapter->netdev)) {
 337                         e1000e_down(adapter);
 338                         e1000e_up(adapter);
 339                 } else {
 340                         e1000e_reset(adapter);
 341                 }
 342         } else {
 343                 if (pause->rx_pause && pause->tx_pause)
 344                         hw->fc.requested_mode = e1000_fc_full;
 345                 else if (pause->rx_pause && !pause->tx_pause)
 346                         hw->fc.requested_mode = e1000_fc_rx_pause;
 347                 else if (!pause->rx_pause && pause->tx_pause)
 348                         hw->fc.requested_mode = e1000_fc_tx_pause;
 349                 else if (!pause->rx_pause && !pause->tx_pause)
 350                         hw->fc.requested_mode = e1000_fc_none;
 351
 352                 hw->fc.current_mode = hw->fc.requested_mode;
 353
 354                 if (hw->phy.media_type == e1000_media_type_fiber) {
 355                         retval = hw->mac.ops.setup_link(hw);
 356                         /* implicit goto out */
 357                 } else {
 358                         retval = e1000e_force_mac_fc(hw);
 359                         if (retval)
 360                                 goto out;
 361                         e1000e_set_fc_watermarks(hw);
 362                 }
 363         }
 364
 365 out:
 366         clear_bit(__E1000_RESETTING, &adapter->state);
 367         return retval;
 368 }
 369
 370 static u32 e1000_get_msglevel(struct net_device *netdev)
 371 {
 372         struct e1000_adapter *adapter = netdev_priv(netdev);
 373         return adapter->msg_enable;
 374 }
 375
 376 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 377 {
 378         struct e1000_adapter *adapter = netdev_priv(netdev);
 379         adapter->msg_enable = data;
 380 }
 381
 382 static int e1000_get_regs_len(struct net_device *netdev)
 383 {
 384 #define E1000_REGS_LEN 32 /* overestimate */
 385         return E1000_REGS_LEN * sizeof(u32);
 386 }
 387
 388 static void e1000_get_regs(struct net_device *netdev,
 389                            struct ethtool_regs *regs, void *p)
 390 {
 391         struct e1000_adapter *adapter = netdev_priv(netdev);
 392         struct e1000_hw *hw = &adapter->hw;
 393         u32 *regs_buff = p;
 394         u16 phy_data;
 395
 396         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 397
 398         regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
 399                         adapter->pdev->device;
 400
 401         regs_buff[0]  = er32(CTRL);
 402         regs_buff[1]  = er32(STATUS);
 403
 404         regs_buff[2]  = er32(RCTL);
 405         regs_buff[3]  = er32(RDLEN);
 406         regs_buff[4]  = er32(RDH);
 407         regs_buff[5]  = er32(RDT);
 408         regs_buff[6]  = er32(RDTR);
 409
 410         regs_buff[7]  = er32(TCTL);
 411         regs_buff[8]  = er32(TDLEN);
 412         regs_buff[9]  = er32(TDH);
 413         regs_buff[10] = er32(TDT);
 414         regs_buff[11] = er32(TIDV);
 415
 416         regs_buff[12] = adapter->hw.phy.type;  /* PHY type (IGP=1, M88=0) */
 417
 418         /* ethtool doesn't use anything past this point, so all this
 419          * code is likely legacy junk for apps that may or may not
 420          * exist */
 421         if (hw->phy.type == e1000_phy_m88) {
 422                 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 423                 regs_buff[13] = (u32)phy_data; /* cable length */
 424                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 425                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 426                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 427                 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 428                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 429                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 430                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 431                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 432                 /* phy receive errors */
 433                 regs_buff[22] = adapter->phy_stats.receive_errors;
 434                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 435         }
 436         regs_buff[21] = 0; /* was idle_errors */
 437         e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
 438         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 439         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 440 }
 441
 442 static int e1000_get_eeprom_len(struct net_device *netdev)
 443 {
 444         struct e1000_adapter *adapter = netdev_priv(netdev);
 445         return adapter->hw.nvm.word_size * 2;
 446 }
 447
 448 static int e1000_get_eeprom(struct net_device *netdev,
 449                             struct ethtool_eeprom *eeprom, u8 *bytes)
 450 {
 451         struct e1000_adapter *adapter = netdev_priv(netdev);
 452         struct e1000_hw *hw = &adapter->hw;
 453         u16 *eeprom_buff;
 454         int first_word;
 455         int last_word;
 456         int ret_val = 0;
 457         u16 i;
 458
 459         if (eeprom->len == 0)
 460                 return -EINVAL;
 461
 462         eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
 463
 464         first_word = eeprom->offset >> 1;
 465         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 466
 467         eeprom_buff = kmalloc(sizeof(u16) *
 468                         (last_word - first_word + 1), GFP_KERNEL);
 469         if (!eeprom_buff)
 470                 return -ENOMEM;
 471
 472         if (hw->nvm.type == e1000_nvm_eeprom_spi) {
 473                 ret_val = e1000_read_nvm(hw, first_word,
 474                                          last_word - first_word + 1,
 475                                          eeprom_buff);
 476         } else {
 477                 for (i = 0; i < last_word - first_word + 1; i++) {
 478                         ret_val = e1000_read_nvm(hw, first_word + i, 1,
 479                                                       &eeprom_buff[i]);
 480                         if (ret_val)
 481                                 break;
 482                 }
 483         }
 484
 485         if (ret_val) {
 486                 /* a read error occurred, throw away the result */
 487                 memset(eeprom_buff, 0xff, sizeof(u16) *
 488                        (last_word - first_word + 1));
 489         } else {
 490                 /* Device's eeprom is always little-endian, word addressable */
 491                 for (i = 0; i < last_word - first_word + 1; i++)
 492                         le16_to_cpus(&eeprom_buff[i]);
 493         }
 494
 495         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 496         kfree(eeprom_buff);
 497
 498         return ret_val;
 499 }
 500
 501 static int e1000_set_eeprom(struct net_device *netdev,
 502                             struct ethtool_eeprom *eeprom, u8 *bytes)
 503 {
 504         struct e1000_adapter *adapter = netdev_priv(netdev);
 505         struct e1000_hw *hw = &adapter->hw;
 506         u16 *eeprom_buff;
 507         void *ptr;
 508         int max_len;
 509         int first_word;
 510         int last_word;
 511         int ret_val = 0;
 512         u16 i;
 513
 514         if (eeprom->len == 0)
 515                 return -EOPNOTSUPP;
 516
 517         if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
 518                 return -EFAULT;
 519
 520         if (adapter->flags & FLAG_READ_ONLY_NVM)
 521                 return -EINVAL;
 522
 523         max_len = hw->nvm.word_size * 2;
 524
 525         first_word = eeprom->offset >> 1;
 526         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 527         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 528         if (!eeprom_buff)
 529                 return -ENOMEM;
 530
 531         ptr = (void *)eeprom_buff;
 532
 533         if (eeprom->offset & 1) {
 534                 /* need read/modify/write of first changed EEPROM word */
 535                 /* only the second byte of the word is being modified */
 536                 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
 537                 ptr++;
 538         }
 539         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
 540                 /* need read/modify/write of last changed EEPROM word */
 541                 /* only the first byte of the word is being modified */
 542                 ret_val = e1000_read_nvm(hw, last_word, 1,
 543                                   &eeprom_buff[last_word - first_word]);
 544
 545         if (ret_val)
 546                 goto out;
 547
 548         /* Device's eeprom is always little-endian, word addressable */
 549         for (i = 0; i < last_word - first_word + 1; i++)
 550                 le16_to_cpus(&eeprom_buff[i]);
 551
 552         memcpy(ptr, bytes, eeprom->len);
 553
 554         for (i = 0; i < last_word - first_word + 1; i++)
 555                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 556
 557         ret_val = e1000_write_nvm(hw, first_word,
 558                                   last_word - first_word + 1, eeprom_buff);
 559
 560         if (ret_val)
 561                 goto out;
 562
 563         /*
 564          * Update the checksum over the first part of the EEPROM if needed
 565          * and flush shadow RAM for applicable controllers
 566          */
 567         if ((first_word <= NVM_CHECKSUM_REG) ||
 568             (hw->mac.type == e1000_82583) ||
 569             (hw->mac.type == e1000_82574) ||
 570             (hw->mac.type == e1000_82573))
 571                 ret_val = e1000e_update_nvm_checksum(hw);
 572
 573 out:
 574         kfree(eeprom_buff);
 575         return ret_val;
 576 }
 577
 578 static void e1000_get_drvinfo(struct net_device *netdev,
 579                               struct ethtool_drvinfo *drvinfo)
 580 {
 581         struct e1000_adapter *adapter = netdev_priv(netdev);
 582
 583         strlcpy(drvinfo->driver,  e1000e_driver_name,
 584                 sizeof(drvinfo->driver));
 585         strlcpy(drvinfo->version, e1000e_driver_version,
 586                 sizeof(drvinfo->version));
 587
 588         /*
 589          * EEPROM image version # is reported as firmware version # for
 590          * PCI-E controllers
 591          */
 592         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 593                 "%d.%d-%d",
 594                 (adapter->eeprom_vers & 0xF000) >> 12,
 595                 (adapter->eeprom_vers & 0x0FF0) >> 4,
 596                 (adapter->eeprom_vers & 0x000F));
 597
 598         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 599                 sizeof(drvinfo->bus_info));
 600         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 601         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 602 }
 603
 604 static void e1000_get_ringparam(struct net_device *netdev,
 605                                 struct ethtool_ringparam *ring)
 606 {
 607         struct e1000_adapter *adapter = netdev_priv(netdev);
 608         struct e1000_ring *tx_ring = adapter->tx_ring;
 609         struct e1000_ring *rx_ring = adapter->rx_ring;
 610
 611         ring->rx_max_pending = E1000_MAX_RXD;
 612         ring->tx_max_pending = E1000_MAX_TXD;
 613         ring->rx_pending = rx_ring->count;
 614         ring->tx_pending = tx_ring->count;
 615 }
 616
 617 static int e1000_set_ringparam(struct net_device *netdev,
 618                                struct ethtool_ringparam *ring)
 619 {
 620         struct e1000_adapter *adapter = netdev_priv(netdev);
 621         struct e1000_ring *tx_ring, *tx_old;
 622         struct e1000_ring *rx_ring, *rx_old;
 623         int err;
 624
 625         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 626                 return -EINVAL;
 627
 628         while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 629                 usleep_range(1000, 2000);
 630
 631         if (netif_running(adapter->netdev))
 632                 e1000e_down(adapter);
 633
 634         tx_old = adapter->tx_ring;
 635         rx_old = adapter->rx_ring;
 636
 637         err = -ENOMEM;
 638         tx_ring = kmemdup(tx_old, sizeof(struct e1000_ring), GFP_KERNEL);
 639         if (!tx_ring)
 640                 goto err_alloc_tx;
 641
 642         rx_ring = kmemdup(rx_old, sizeof(struct e1000_ring), GFP_KERNEL);
 643         if (!rx_ring)
 644                 goto err_alloc_rx;
 645
 646         adapter->tx_ring = tx_ring;
 647         adapter->rx_ring = rx_ring;
 648
 649         rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
 650         rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
 651         rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 652
 653         tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
 654         tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
 655         tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 656
 657         if (netif_running(adapter->netdev)) {
 658                 /* Try to get new resources before deleting old */
 659                 err = e1000e_setup_rx_resources(adapter);
 660                 if (err)
 661                         goto err_setup_rx;
 662                 err = e1000e_setup_tx_resources(adapter);
 663                 if (err)
 664                         goto err_setup_tx;
 665
 666                 /*
 667                  * restore the old in order to free it,
 668                  * then add in the new
 669                  */
 670                 adapter->rx_ring = rx_old;
 671                 adapter->tx_ring = tx_old;
 672                 e1000e_free_rx_resources(adapter);
 673                 e1000e_free_tx_resources(adapter);
 674                 kfree(tx_old);
 675                 kfree(rx_old);
 676                 adapter->rx_ring = rx_ring;
 677                 adapter->tx_ring = tx_ring;
 678                 err = e1000e_up(adapter);
 679                 if (err)
 680                         goto err_setup;
 681         }
 682
 683         clear_bit(__E1000_RESETTING, &adapter->state);
 684         return 0;
 685 err_setup_tx:
 686         e1000e_free_rx_resources(adapter);
 687 err_setup_rx:
 688         adapter->rx_ring = rx_old;
 689         adapter->tx_ring = tx_old;
 690         kfree(rx_ring);
 691 err_alloc_rx:
 692         kfree(tx_ring);
 693 err_alloc_tx:
 694         e1000e_up(adapter);
 695 err_setup:
 696         clear_bit(__E1000_RESETTING, &adapter->state);
 697         return err;
 698 }
 699
 700 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
 701                              int reg, int offset, u32 mask, u32 write)
 702 {
 703         u32 pat, val;
 704         static const u32 test[] = {
 705                 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
 706         for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
 707                 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
 708                                       (test[pat] & write));
 709                 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
 710                 if (val != (test[pat] & write & mask)) {
 711                         e_err("pattern test reg %04X failed: got 0x%08X "
 712                               "expected 0x%08X\n", reg + offset, val,
 713                               (test[pat] & write & mask));
 714                         *data = reg;
 715                         return 1;
 716                 }
 717         }
 718         return 0;
 719 }
 720
 721 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
 722                               int reg, u32 mask, u32 write)
 723 {
 724         u32 val;
 725         __ew32(&adapter->hw, reg, write & mask);
 726         val = __er32(&adapter->hw, reg);
 727         if ((write & mask) != (val & mask)) {
 728                 e_err("set/check reg %04X test failed: got 0x%08X "
 729                       "expected 0x%08X\n", reg, (val & mask), (write & mask));
 730                 *data = reg;
 731                 return 1;
 732         }
 733         return 0;
 734 }
 735 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write)                       \
 736         do {                                                                   \
 737                 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
 738                         return 1;                                              \
 739         } while (0)
 740 #define REG_PATTERN_TEST(reg, mask, write)                                     \
 741         REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
 742
 743 #define REG_SET_AND_CHECK(reg, mask, write)                                    \
 744         do {                                                                   \
 745                 if (reg_set_and_check(adapter, data, reg, mask, write))        \
 746                         return 1;                                              \
 747         } while (0)
 748
 749 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 750 {
 751         struct e1000_hw *hw = &adapter->hw;
 752         struct e1000_mac_info *mac = &adapter->hw.mac;
 753         u32 value;
 754         u32 before;
 755         u32 after;
 756         u32 i;
 757         u32 toggle;
 758         u32 mask;
 759
 760         /*
 761          * The status register is Read Only, so a write should fail.
 762          * Some bits that get toggled are ignored.
 763          */
 764         switch (mac->type) {
 765         /* there are several bits on newer hardware that are r/w */
 766         case e1000_82571:
 767         case e1000_82572:
 768         case e1000_80003es2lan:
 769                 toggle = 0x7FFFF3FF;
 770                 break;
 771         default:
 772                 toggle = 0x7FFFF033;
 773                 break;
 774         }
 775
 776         before = er32(STATUS);
 777         value = (er32(STATUS) & toggle);
 778         ew32(STATUS, toggle);
 779         after = er32(STATUS) & toggle;
 780         if (value != after) {
 781                 e_err("failed STATUS register test got: 0x%08X expected: "
 782                       "0x%08X\n", after, value);
 783                 *data = 1;
 784                 return 1;
 785         }
 786         /* restore previous status */
 787         ew32(STATUS, before);
 788
 789         if (!(adapter->flags & FLAG_IS_ICH)) {
 790                 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 791                 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
 792                 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
 793                 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
 794         }
 795
 796         REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
 797         REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 798         REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
 799         REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
 800         REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
 801         REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
 802         REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
 803         REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 804         REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 805         REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
 806
 807         REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
 808
 809         before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
 810         REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
 811         REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
 812
 813         REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
 814         REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 815         if (!(adapter->flags & FLAG_IS_ICH))
 816                 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
 817         REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 818         REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
 819         mask = 0x8003FFFF;
 820         switch (mac->type) {
 821         case e1000_ich10lan:
 822         case e1000_pchlan:
 823         case e1000_pch2lan:
 824                 mask |= (1 << 18);
 825                 break;
 826         default:
 827                 break;
 828         }
 829         for (i = 0; i < mac->rar_entry_count; i++)
 830                 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
 831                                        mask, 0xFFFFFFFF);
 832
 833         for (i = 0; i < mac->mta_reg_count; i++)
 834                 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
 835
 836         *data = 0;
 837         return 0;
 838 }
 839
 840 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 841 {
 842         u16 temp;
 843         u16 checksum = 0;
 844         u16 i;
 845
 846         *data = 0;
 847         /* Read and add up the contents of the EEPROM */
 848         for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
 849                 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
 850                         *data = 1;
 851                         return *data;
 852                 }
 853                 checksum += temp;
 854         }
 855
 856         /* If Checksum is not Correct return error else test passed */
 857         if ((checksum != (u16) NVM_SUM) && !(*data))
 858                 *data = 2;
 859
 860         return *data;
 861 }
 862
 863 static irqreturn_t e1000_test_intr(int irq, void *data)
 864 {
 865         struct net_device *netdev = (struct net_device *) data;
 866         struct e1000_adapter *adapter = netdev_priv(netdev);
 867         struct e1000_hw *hw = &adapter->hw;
 868
 869         adapter->test_icr |= er32(ICR);
 870
 871         return IRQ_HANDLED;
 872 }
 873
 874 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 875 {
 876         struct net_device *netdev = adapter->netdev;
 877         struct e1000_hw *hw = &adapter->hw;
 878         u32 mask;
 879         u32 shared_int = 1;
 880         u32 irq = adapter->pdev->irq;
 881         int i;
 882         int ret_val = 0;
 883         int int_mode = E1000E_INT_MODE_LEGACY;
 884
 885         *data = 0;
 886
 887         /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
 888         if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
 889                 int_mode = adapter->int_mode;
 890                 e1000e_reset_interrupt_capability(adapter);
 891                 adapter->int_mode = E1000E_INT_MODE_LEGACY;
 892                 e1000e_set_interrupt_capability(adapter);
 893         }
 894         /* Hook up test interrupt handler just for this test */
 895         if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 896                          netdev)) {
 897                 shared_int = 0;
 898         } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
 899                  netdev->name, netdev)) {
 900                 *data = 1;
 901                 ret_val = -1;
 902                 goto out;
 903         }
 904         e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
 905
 906         /* Disable all the interrupts */
 907         ew32(IMC, 0xFFFFFFFF);
 908         e1e_flush();
 909         usleep_range(10000, 20000);
 910
 911         /* Test each interrupt */
 912         for (i = 0; i < 10; i++) {
 913                 /* Interrupt to test */
 914                 mask = 1 << i;
 915
 916                 if (adapter->flags & FLAG_IS_ICH) {
 917                         switch (mask) {
 918                         case E1000_ICR_RXSEQ:
 919                                 continue;
 920                         case 0x00000100:
 921                                 if (adapter->hw.mac.type == e1000_ich8lan ||
 922                                     adapter->hw.mac.type == e1000_ich9lan)
 923                                         continue;
 924                                 break;
 925                         default:
 926                                 break;
 927                         }
 928                 }
 929
 930                 if (!shared_int) {
 931                         /*
 932                          * Disable the interrupt to be reported in
 933                          * the cause register and then force the same
 934                          * interrupt and see if one gets posted.  If
 935                          * an interrupt was posted to the bus, the
 936                          * test failed.
 937                          */
 938                         adapter->test_icr = 0;
 939                         ew32(IMC, mask);
 940                         ew32(ICS, mask);
 941                         e1e_flush();
 942                         usleep_range(10000, 20000);
 943
 944                         if (adapter->test_icr & mask) {
 945                                 *data = 3;
 946                                 break;
 947                         }
 948                 }
 949
 950                 /*
 951                  * Enable the interrupt to be reported in
 952                  * the cause register and then force the same
 953                  * interrupt and see if one gets posted.  If
 954                  * an interrupt was not posted to the bus, the
 955                  * test failed.
 956                  */
 957                 adapter->test_icr = 0;
 958                 ew32(IMS, mask);
 959                 ew32(ICS, mask);
 960                 e1e_flush();
 961                 usleep_range(10000, 20000);
 962
 963                 if (!(adapter->test_icr & mask)) {
 964                         *data = 4;
 965                         break;
 966                 }
 967
 968                 if (!shared_int) {
 969                         /*
 970                          * Disable the other interrupts to be reported in
 971                          * the cause register and then force the other
 972                          * interrupts and see if any get posted.  If
 973                          * an interrupt was posted to the bus, the
 974                          * test failed.
 975                          */
 976                         adapter->test_icr = 0;
 977                         ew32(IMC, ~mask & 0x00007FFF);
 978                         ew32(ICS, ~mask & 0x00007FFF);
 979                         e1e_flush();
 980                         usleep_range(10000, 20000);
 981
 982                         if (adapter->test_icr) {
 983                                 *data = 5;
 984                                 break;
 985                         }
 986                 }
 987         }
 988
 989         /* Disable all the interrupts */
 990         ew32(IMC, 0xFFFFFFFF);
 991         e1e_flush();
 992         usleep_range(10000, 20000);
 993
 994         /* Unhook test interrupt handler */
 995         free_irq(irq, netdev);
 996
 997 out:
 998         if (int_mode == E1000E_INT_MODE_MSIX) {
 999                 e1000e_reset_interrupt_capability(adapter);
1000                 adapter->int_mode = int_mode;
1001                 e1000e_set_interrupt_capability(adapter);
1002         }
1003
1004         return ret_val;
1005 }
1006
1007 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1008 {
1009         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1010         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1011         struct pci_dev *pdev = adapter->pdev;
1012         int i;
1013
1014         if (tx_ring->desc && tx_ring->buffer_info) {
1015                 for (i = 0; i < tx_ring->count; i++) {
1016                         if (tx_ring->buffer_info[i].dma)
1017                                 dma_unmap_single(&pdev->dev,
1018                                         tx_ring->buffer_info[i].dma,
1019                                         tx_ring->buffer_info[i].length,
1020                                         DMA_TO_DEVICE);
1021                         if (tx_ring->buffer_info[i].skb)
1022                                 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1023                 }
1024         }
1025
1026         if (rx_ring->desc && rx_ring->buffer_info) {
1027                 for (i = 0; i < rx_ring->count; i++) {
1028                         if (rx_ring->buffer_info[i].dma)
1029                                 dma_unmap_single(&pdev->dev,
1030                                         rx_ring->buffer_info[i].dma,
1031                                         2048, DMA_FROM_DEVICE);
1032                         if (rx_ring->buffer_info[i].skb)
1033                                 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1034                 }
1035         }
1036
1037         if (tx_ring->desc) {
1038                 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1039                                   tx_ring->dma);
1040                 tx_ring->desc = NULL;
1041         }
1042         if (rx_ring->desc) {
1043                 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1044                                   rx_ring->dma);
1045                 rx_ring->desc = NULL;
1046         }
1047
1048         kfree(tx_ring->buffer_info);
1049         tx_ring->buffer_info = NULL;
1050         kfree(rx_ring->buffer_info);
1051         rx_ring->buffer_info = NULL;
1052 }
1053
1054 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1055 {
1056         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1057         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1058         struct pci_dev *pdev = adapter->pdev;
1059         struct e1000_hw *hw = &adapter->hw;
1060         u32 rctl;
1061         int i;
1062         int ret_val;
1063
1064         /* Setup Tx descriptor ring and Tx buffers */
1065
1066         if (!tx_ring->count)
1067                 tx_ring->count = E1000_DEFAULT_TXD;
1068
1069         tx_ring->buffer_info = kcalloc(tx_ring->count,
1070                                        sizeof(struct e1000_buffer),
1071                                        GFP_KERNEL);
1072         if (!(tx_ring->buffer_info)) {
1073                 ret_val = 1;
1074                 goto err_nomem;
1075         }
1076
1077         tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1078         tx_ring->size = ALIGN(tx_ring->size, 4096);
1079         tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1080                                            &tx_ring->dma, GFP_KERNEL);
1081         if (!tx_ring->desc) {
1082                 ret_val = 2;
1083                 goto err_nomem;
1084         }
1085         tx_ring->next_to_use = 0;
1086         tx_ring->next_to_clean = 0;
1087
1088         ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1089         ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1090         ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
1091         ew32(TDH, 0);
1092         ew32(TDT, 0);
1093         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1094              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1095              E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1096
1097         for (i = 0; i < tx_ring->count; i++) {
1098                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1099                 struct sk_buff *skb;
1100                 unsigned int skb_size = 1024;
1101
1102                 skb = alloc_skb(skb_size, GFP_KERNEL);
1103                 if (!skb) {
1104                         ret_val = 3;
1105                         goto err_nomem;
1106                 }
1107                 skb_put(skb, skb_size);
1108                 tx_ring->buffer_info[i].skb = skb;
1109                 tx_ring->buffer_info[i].length = skb->len;
1110                 tx_ring->buffer_info[i].dma =
1111                         dma_map_single(&pdev->dev, skb->data, skb->len,
1112                                        DMA_TO_DEVICE);
1113                 if (dma_mapping_error(&pdev->dev,
1114                                       tx_ring->buffer_info[i].dma)) {
1115                         ret_val = 4;
1116                         goto err_nomem;
1117                 }
1118                 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1119                 tx_desc->lower.data = cpu_to_le32(skb->len);
1120                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1121                                                    E1000_TXD_CMD_IFCS |
1122                                                    E1000_TXD_CMD_RS);
1123                 tx_desc->upper.data = 0;
1124         }
1125
1126         /* Setup Rx descriptor ring and Rx buffers */
1127
1128         if (!rx_ring->count)
1129                 rx_ring->count = E1000_DEFAULT_RXD;
1130
1131         rx_ring->buffer_info = kcalloc(rx_ring->count,
1132                                        sizeof(struct e1000_buffer),
1133                                        GFP_KERNEL);
1134         if (!(rx_ring->buffer_info)) {
1135                 ret_val = 5;
1136                 goto err_nomem;
1137         }
1138
1139         rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1140         rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1141                                            &rx_ring->dma, GFP_KERNEL);
1142         if (!rx_ring->desc) {
1143                 ret_val = 6;
1144                 goto err_nomem;
1145         }
1146         rx_ring->next_to_use = 0;
1147         rx_ring->next_to_clean = 0;
1148
1149         rctl = er32(RCTL);
1150         if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1151                 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1152         ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1153         ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1154         ew32(RDLEN, rx_ring->size);
1155         ew32(RDH, 0);
1156         ew32(RDT, 0);
1157         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1158                 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1159                 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1160                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1161                 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1162         ew32(RCTL, rctl);
1163
1164         for (i = 0; i < rx_ring->count; i++) {
1165                 union e1000_rx_desc_extended *rx_desc;
1166                 struct sk_buff *skb;
1167
1168                 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1169                 if (!skb) {
1170                         ret_val = 7;
1171                         goto err_nomem;
1172                 }
1173                 skb_reserve(skb, NET_IP_ALIGN);
1174                 rx_ring->buffer_info[i].skb = skb;
1175                 rx_ring->buffer_info[i].dma =
1176                         dma_map_single(&pdev->dev, skb->data, 2048,
1177                                        DMA_FROM_DEVICE);
1178                 if (dma_mapping_error(&pdev->dev,
1179                                       rx_ring->buffer_info[i].dma)) {
1180                         ret_val = 8;
1181                         goto err_nomem;
1182                 }
1183                 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1184                 rx_desc->read.buffer_addr =
1185                     cpu_to_le64(rx_ring->buffer_info[i].dma);
1186                 memset(skb->data, 0x00, skb->len);
1187         }
1188
1189         return 0;
1190
1191 err_nomem:
1192         e1000_free_desc_rings(adapter);
1193         return ret_val;
1194 }
1195
1196 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1197 {
1198         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1199         e1e_wphy(&adapter->hw, 29, 0x001F);
1200         e1e_wphy(&adapter->hw, 30, 0x8FFC);
1201         e1e_wphy(&adapter->hw, 29, 0x001A);
1202         e1e_wphy(&adapter->hw, 30, 0x8FF0);
1203 }
1204
1205 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1206 {
1207         struct e1000_hw *hw = &adapter->hw;
1208         u32 ctrl_reg = 0;
1209         u16 phy_reg = 0;
1210         s32 ret_val = 0;
1211
1212         hw->mac.autoneg = 0;
1213
1214         if (hw->phy.type == e1000_phy_ife) {
1215                 /* force 100, set loopback */
1216                 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1217
1218                 /* Now set up the MAC to the same speed/duplex as the PHY. */
1219                 ctrl_reg = er32(CTRL);
1220                 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1221                 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1222                              E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1223                              E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1224                              E1000_CTRL_FD);     /* Force Duplex to FULL */
1225
1226                 ew32(CTRL, ctrl_reg);
1227                 e1e_flush();
1228                 udelay(500);
1229
1230                 return 0;
1231         }
1232
1233         /* Specific PHY configuration for loopback */
1234         switch (hw->phy.type) {
1235         case e1000_phy_m88:
1236                 /* Auto-MDI/MDIX Off */
1237                 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1238                 /* reset to update Auto-MDI/MDIX */
1239                 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1240                 /* autoneg off */
1241                 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1242                 break;
1243         case e1000_phy_gg82563:
1244                 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1245                 break;
1246         case e1000_phy_bm:
1247                 /* Set Default MAC Interface speed to 1GB */
1248                 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1249                 phy_reg &= ~0x0007;
1250                 phy_reg |= 0x006;
1251                 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1252                 /* Assert SW reset for above settings to take effect */
1253                 e1000e_commit_phy(hw);
1254                 mdelay(1);
1255                 /* Force Full Duplex */
1256                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1257                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1258                 /* Set Link Up (in force link) */
1259                 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1260                 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1261                 /* Force Link */
1262                 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1263                 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1264                 /* Set Early Link Enable */
1265                 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1266                 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1267                 break;
1268         case e1000_phy_82577:
1269         case e1000_phy_82578:
1270                 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1271                 ret_val = hw->phy.ops.acquire(hw);
1272                 if (ret_val) {
1273                         e_err("Cannot setup 1Gbps loopback.\n");
1274                         return ret_val;
1275                 }
1276                 e1000_configure_k1_ich8lan(hw, false);
1277                 hw->phy.ops.release(hw);
1278                 break;
1279         case e1000_phy_82579:
1280                 /* Disable PHY energy detect power down */
1281                 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1282                 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1283                 /* Disable full chip energy detect */
1284                 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1285                 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1286                 /* Enable loopback on the PHY */
1287 #define I82577_PHY_LBK_CTRL          19
1288                 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1289                 break;
1290         default:
1291                 break;
1292         }
1293
1294         /* force 1000, set loopback */
1295         e1e_wphy(hw, PHY_CONTROL, 0x4140);
1296         mdelay(250);
1297
1298         /* Now set up the MAC to the same speed/duplex as the PHY. */
1299         ctrl_reg = er32(CTRL);
1300         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1301         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1302                      E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1303                      E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1304                      E1000_CTRL_FD);     /* Force Duplex to FULL */
1305
1306         if (adapter->flags & FLAG_IS_ICH)
1307                 ctrl_reg |= E1000_CTRL_SLU;     /* Set Link Up */
1308
1309         if (hw->phy.media_type == e1000_media_type_copper &&
1310             hw->phy.type == e1000_phy_m88) {
1311                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1312         } else {
1313                 /*
1314                  * Set the ILOS bit on the fiber Nic if half duplex link is
1315                  * detected.
1316                  */
1317                 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1318                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1319         }
1320
1321         ew32(CTRL, ctrl_reg);
1322
1323         /*
1324          * Disable the receiver on the PHY so when a cable is plugged in, the
1325          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1326          */
1327         if (hw->phy.type == e1000_phy_m88)
1328                 e1000_phy_disable_receiver(adapter);
1329
1330         udelay(500);
1331
1332         return 0;
1333 }
1334
1335 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1336 {
1337         struct e1000_hw *hw = &adapter->hw;
1338         u32 ctrl = er32(CTRL);
1339         int link = 0;
1340
1341         /* special requirements for 82571/82572 fiber adapters */
1342
1343         /*
1344          * jump through hoops to make sure link is up because serdes
1345          * link is hardwired up
1346          */
1347         ctrl |= E1000_CTRL_SLU;
1348         ew32(CTRL, ctrl);
1349
1350         /* disable autoneg */
1351         ctrl = er32(TXCW);
1352         ctrl &= ~(1 << 31);
1353         ew32(TXCW, ctrl);
1354
1355         link = (er32(STATUS) & E1000_STATUS_LU);
1356
1357         if (!link) {
1358                 /* set invert loss of signal */
1359                 ctrl = er32(CTRL);
1360                 ctrl |= E1000_CTRL_ILOS;
1361                 ew32(CTRL, ctrl);
1362         }
1363
1364         /*
1365          * special write to serdes control register to enable SerDes analog
1366          * loopback
1367          */
1368 #define E1000_SERDES_LB_ON 0x410
1369         ew32(SCTL, E1000_SERDES_LB_ON);
1370         e1e_flush();
1371         usleep_range(10000, 20000);
1372
1373         return 0;
1374 }
1375
1376 /* only call this for fiber/serdes connections to es2lan */
1377 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1378 {
1379         struct e1000_hw *hw = &adapter->hw;
1380         u32 ctrlext = er32(CTRL_EXT);
1381         u32 ctrl = er32(CTRL);
1382
1383         /*
1384          * save CTRL_EXT to restore later, reuse an empty variable (unused
1385          * on mac_type 80003es2lan)
1386          */
1387         adapter->tx_fifo_head = ctrlext;
1388
1389         /* clear the serdes mode bits, putting the device into mac loopback */
1390         ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1391         ew32(CTRL_EXT, ctrlext);
1392
1393         /* force speed to 1000/FD, link up */
1394         ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1395         ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1396                  E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1397         ew32(CTRL, ctrl);
1398
1399         /* set mac loopback */
1400         ctrl = er32(RCTL);
1401         ctrl |= E1000_RCTL_LBM_MAC;
1402         ew32(RCTL, ctrl);
1403
1404         /* set testing mode parameters (no need to reset later) */
1405 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1406 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1407         ew32(KMRNCTRLSTA,
1408              (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1409
1410         return 0;
1411 }
1412
1413 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1414 {
1415         struct e1000_hw *hw = &adapter->hw;
1416         u32 rctl;
1417
1418         if (hw->phy.media_type == e1000_media_type_fiber ||
1419             hw->phy.media_type == e1000_media_type_internal_serdes) {
1420                 switch (hw->mac.type) {
1421                 case e1000_80003es2lan:
1422                         return e1000_set_es2lan_mac_loopback(adapter);
1423                         break;
1424                 case e1000_82571:
1425                 case e1000_82572:
1426                         return e1000_set_82571_fiber_loopback(adapter);
1427                         break;
1428                 default:
1429                         rctl = er32(RCTL);
1430                         rctl |= E1000_RCTL_LBM_TCVR;
1431                         ew32(RCTL, rctl);
1432                         return 0;
1433                 }
1434         } else if (hw->phy.media_type == e1000_media_type_copper) {
1435                 return e1000_integrated_phy_loopback(adapter);
1436         }
1437
1438         return 7;
1439 }
1440
1441 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1442 {
1443         struct e1000_hw *hw = &adapter->hw;
1444         u32 rctl;
1445         u16 phy_reg;
1446
1447         rctl = er32(RCTL);
1448         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1449         ew32(RCTL, rctl);
1450
1451         switch (hw->mac.type) {
1452         case e1000_80003es2lan:
1453                 if (hw->phy.media_type == e1000_media_type_fiber ||
1454                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1455                         /* restore CTRL_EXT, stealing space from tx_fifo_head */
1456                         ew32(CTRL_EXT, adapter->tx_fifo_head);
1457                         adapter->tx_fifo_head = 0;
1458                 }
1459                 /* fall through */
1460         case e1000_82571:
1461         case e1000_82572:
1462                 if (hw->phy.media_type == e1000_media_type_fiber ||
1463                     hw->phy.media_type == e1000_media_type_internal_serdes) {
1464 #define E1000_SERDES_LB_OFF 0x400
1465                         ew32(SCTL, E1000_SERDES_LB_OFF);
1466                         e1e_flush();
1467                         usleep_range(10000, 20000);
1468                         break;
1469                 }
1470                 /* Fall Through */
1471         default:
1472                 hw->mac.autoneg = 1;
1473                 if (hw->phy.type == e1000_phy_gg82563)
1474                         e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1475                 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1476                 if (phy_reg & MII_CR_LOOPBACK) {
1477                         phy_reg &= ~MII_CR_LOOPBACK;
1478                         e1e_wphy(hw, PHY_CONTROL, phy_reg);
1479                         e1000e_commit_phy(hw);
1480                 }
1481                 break;
1482         }
1483 }
1484
1485 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1486                                       unsigned int frame_size)
1487 {
1488         memset(skb->data, 0xFF, frame_size);
1489         frame_size &= ~1;
1490         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1491         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1492         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1493 }
1494
1495 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1496                                     unsigned int frame_size)
1497 {
1498         frame_size &= ~1;
1499         if (*(skb->data + 3) == 0xFF)
1500                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1501                    (*(skb->data + frame_size / 2 + 12) == 0xAF))
1502                         return 0;
1503         return 13;
1504 }
1505
1506 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1507 {
1508         struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1509         struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1510         struct pci_dev *pdev = adapter->pdev;
1511         struct e1000_hw *hw = &adapter->hw;
1512         int i, j, k, l;
1513         int lc;
1514         int good_cnt;
1515         int ret_val = 0;
1516         unsigned long time;
1517
1518         ew32(RDT, rx_ring->count - 1);
1519
1520         /*
1521          * Calculate the loop count based on the largest descriptor ring
1522          * The idea is to wrap the largest ring a number of times using 64
1523          * send/receive pairs during each loop
1524          */
1525
1526         if (rx_ring->count <= tx_ring->count)
1527                 lc = ((tx_ring->count / 64) * 2) + 1;
1528         else
1529                 lc = ((rx_ring->count / 64) * 2) + 1;
1530
1531         k = 0;
1532         l = 0;
1533         for (j = 0; j <= lc; j++) { /* loop count loop */
1534                 for (i = 0; i < 64; i++) { /* send the packets */
1535                         e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1536                                                   1024);
1537                         dma_sync_single_for_device(&pdev->dev,
1538                                         tx_ring->buffer_info[k].dma,
1539                                         tx_ring->buffer_info[k].length,
1540                                         DMA_TO_DEVICE);
1541                         k++;
1542                         if (k == tx_ring->count)
1543                                 k = 0;
1544                 }
1545                 ew32(TDT, k);
1546                 e1e_flush();
1547                 msleep(200);
1548                 time = jiffies; /* set the start time for the receive */
1549                 good_cnt = 0;
1550                 do { /* receive the sent packets */
1551                         dma_sync_single_for_cpu(&pdev->dev,
1552                                         rx_ring->buffer_info[l].dma, 2048,
1553                                         DMA_FROM_DEVICE);
1554
1555                         ret_val = e1000_check_lbtest_frame(
1556                                         rx_ring->buffer_info[l].skb, 1024);
1557                         if (!ret_val)
1558                                 good_cnt++;
1559                         l++;
1560                         if (l == rx_ring->count)
1561                                 l = 0;
1562                         /*
1563                          * time + 20 msecs (200 msecs on 2.4) is more than
1564                          * enough time to complete the receives, if it's
1565                          * exceeded, break and error off
1566                          */
1567                 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1568                 if (good_cnt != 64) {
1569                         ret_val = 13; /* ret_val is the same as mis-compare */
1570                         break;
1571                 }
1572                 if (jiffies >= (time + 20)) {
1573                         ret_val = 14; /* error code for time out error */
1574                         break;
1575                 }
1576         } /* end loop count loop */
1577         return ret_val;
1578 }
1579
1580 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1581 {
1582         /*
1583          * PHY loopback cannot be performed if SoL/IDER
1584          * sessions are active
1585          */
1586         if (e1000_check_reset_block(&adapter->hw)) {
1587                 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1588                 *data = 0;
1589                 goto out;
1590         }
1591
1592         *data = e1000_setup_desc_rings(adapter);
1593         if (*data)
1594                 goto out;
1595
1596         *data = e1000_setup_loopback_test(adapter);
1597         if (*data)
1598                 goto err_loopback;
1599
1600         *data = e1000_run_loopback_test(adapter);
1601         e1000_loopback_cleanup(adapter);
1602
1603 err_loopback:
1604         e1000_free_desc_rings(adapter);
1605 out:
1606         return *data;
1607 }
1608
1609 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1610 {
1611         struct e1000_hw *hw = &adapter->hw;
1612
1613         *data = 0;
1614         if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1615                 int i = 0;
1616                 hw->mac.serdes_has_link = false;
1617
1618                 /*
1619                  * On some blade server designs, link establishment
1620                  * could take as long as 2-3 minutes
1621                  */
1622                 do {
1623                         hw->mac.ops.check_for_link(hw);
1624                         if (hw->mac.serdes_has_link)
1625                                 return *data;
1626                         msleep(20);
1627                 } while (i++ < 3750);
1628
1629                 *data = 1;
1630         } else {
1631                 hw->mac.ops.check_for_link(hw);
1632                 if (hw->mac.autoneg)
1633                         /*
1634                          * On some Phy/switch combinations, link establishment
1635                          * can take a few seconds more than expected.
1636                          */
1637                         msleep(5000);
1638
1639                 if (!(er32(STATUS) & E1000_STATUS_LU))
1640                         *data = 1;
1641         }
1642         return *data;
1643 }
1644
1645 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1646 {
1647         switch (sset) {
1648         case ETH_SS_TEST:
1649                 return E1000_TEST_LEN;
1650         case ETH_SS_STATS:
1651                 return E1000_STATS_LEN;
1652         default:
1653                 return -EOPNOTSUPP;
1654         }
1655 }
1656
1657 static void e1000_diag_test(struct net_device *netdev,
1658                             struct ethtool_test *eth_test, u64 *data)
1659 {
1660         struct e1000_adapter *adapter = netdev_priv(netdev);
1661         u16 autoneg_advertised;
1662         u8 forced_speed_duplex;
1663         u8 autoneg;
1664         bool if_running = netif_running(netdev);
1665
1666         set_bit(__E1000_TESTING, &adapter->state);
1667
1668         if (!if_running) {
1669                 /* Get control of and reset hardware */
1670                 if (adapter->flags & FLAG_HAS_AMT)
1671                         e1000e_get_hw_control(adapter);
1672
1673                 e1000e_power_up_phy(adapter);
1674
1675                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1676                 e1000e_reset(adapter);
1677                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1678         }
1679
1680         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1681                 /* Offline tests */
1682
1683                 /* save speed, duplex, autoneg settings */
1684                 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1685                 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1686                 autoneg = adapter->hw.mac.autoneg;
1687
1688                 e_info("offline testing starting\n");
1689
1690                 if (if_running)
1691                         /* indicate we're in test mode */
1692                         dev_close(netdev);
1693
1694                 if (e1000_reg_test(adapter, &data[0]))
1695                         eth_test->flags |= ETH_TEST_FL_FAILED;
1696
1697                 e1000e_reset(adapter);
1698                 if (e1000_eeprom_test(adapter, &data[1]))
1699                         eth_test->flags |= ETH_TEST_FL_FAILED;
1700
1701                 e1000e_reset(adapter);
1702                 if (e1000_intr_test(adapter, &data[2]))
1703                         eth_test->flags |= ETH_TEST_FL_FAILED;
1704
1705                 e1000e_reset(adapter);
1706                 if (e1000_loopback_test(adapter, &data[3]))
1707                         eth_test->flags |= ETH_TEST_FL_FAILED;
1708
1709                 /* force this routine to wait until autoneg complete/timeout */
1710                 adapter->hw.phy.autoneg_wait_to_complete = 1;
1711                 e1000e_reset(adapter);
1712                 adapter->hw.phy.autoneg_wait_to_complete = 0;
1713
1714                 if (e1000_link_test(adapter, &data[4]))
1715                         eth_test->flags |= ETH_TEST_FL_FAILED;
1716
1717                 /* restore speed, duplex, autoneg settings */
1718                 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1719                 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1720                 adapter->hw.mac.autoneg = autoneg;
1721                 e1000e_reset(adapter);
1722
1723                 clear_bit(__E1000_TESTING, &adapter->state);
1724                 if (if_running)
1725                         dev_open(netdev);
1726         } else {
1727                 /* Online tests */
1728
1729                 e_info("online testing starting\n");
1730
1731                 /* register, eeprom, intr and loopback tests not run online */
1732                 data[0] = 0;
1733                 data[1] = 0;
1734                 data[2] = 0;
1735                 data[3] = 0;
1736
1737                 if (e1000_link_test(adapter, &data[4]))
1738                         eth_test->flags |= ETH_TEST_FL_FAILED;
1739
1740                 clear_bit(__E1000_TESTING, &adapter->state);
1741         }
1742
1743         if (!if_running) {
1744                 e1000e_reset(adapter);
1745
1746                 if (adapter->flags & FLAG_HAS_AMT)
1747                         e1000e_release_hw_control(adapter);
1748         }
1749
1750         msleep_interruptible(4 * 1000);
1751 }
1752
1753 static void e1000_get_wol(struct net_device *netdev,
1754                           struct ethtool_wolinfo *wol)
1755 {
1756         struct e1000_adapter *adapter = netdev_priv(netdev);
1757
1758         wol->supported = 0;
1759         wol->wolopts = 0;
1760
1761         if (!(adapter->flags & FLAG_HAS_WOL) ||
1762             !device_can_wakeup(&adapter->pdev->dev))
1763                 return;
1764
1765         wol->supported = WAKE_UCAST | WAKE_MCAST |
1766             WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1767
1768         /* apply any specific unsupported masks here */
1769         if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1770                 wol->supported &= ~WAKE_UCAST;
1771
1772                 if (adapter->wol & E1000_WUFC_EX)
1773                         e_err("Interface does not support directed (unicast) "
1774                               "frame wake-up packets\n");
1775         }
1776
1777         if (adapter->wol & E1000_WUFC_EX)
1778                 wol->wolopts |= WAKE_UCAST;
1779         if (adapter->wol & E1000_WUFC_MC)
1780                 wol->wolopts |= WAKE_MCAST;
1781         if (adapter->wol & E1000_WUFC_BC)
1782                 wol->wolopts |= WAKE_BCAST;
1783         if (adapter->wol & E1000_WUFC_MAG)
1784                 wol->wolopts |= WAKE_MAGIC;
1785         if (adapter->wol & E1000_WUFC_LNKC)
1786                 wol->wolopts |= WAKE_PHY;
1787 }
1788
1789 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1790 {
1791         struct e1000_adapter *adapter = netdev_priv(netdev);
1792
1793         if (!(adapter->flags & FLAG_HAS_WOL) ||
1794             !device_can_wakeup(&adapter->pdev->dev) ||
1795             (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1796                               WAKE_MAGIC | WAKE_PHY)))
1797                 return -EOPNOTSUPP;
1798
1799         /* these settings will always override what we currently have */
1800         adapter->wol = 0;
1801
1802         if (wol->wolopts & WAKE_UCAST)
1803                 adapter->wol |= E1000_WUFC_EX;
1804         if (wol->wolopts & WAKE_MCAST)
1805                 adapter->wol |= E1000_WUFC_MC;
1806         if (wol->wolopts & WAKE_BCAST)
1807                 adapter->wol |= E1000_WUFC_BC;
1808         if (wol->wolopts & WAKE_MAGIC)
1809                 adapter->wol |= E1000_WUFC_MAG;
1810         if (wol->wolopts & WAKE_PHY)
1811                 adapter->wol |= E1000_WUFC_LNKC;
1812
1813         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1814
1815         return 0;
1816 }
1817
1818 static int e1000_set_phys_id(struct net_device *netdev,
1819                              enum ethtool_phys_id_state state)
1820 {
1821         struct e1000_adapter *adapter = netdev_priv(netdev);
1822         struct e1000_hw *hw = &adapter->hw;
1823
1824         switch (state) {
1825         case ETHTOOL_ID_ACTIVE:
1826                 if (!hw->mac.ops.blink_led)
1827                         return 2;       /* cycle on/off twice per second */
1828
1829                 hw->mac.ops.blink_led(hw);
1830                 break;
1831
1832         case ETHTOOL_ID_INACTIVE:
1833                 if (hw->phy.type == e1000_phy_ife)
1834                         e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1835                 hw->mac.ops.led_off(hw);
1836                 hw->mac.ops.cleanup_led(hw);
1837                 break;
1838
1839         case ETHTOOL_ID_ON:
1840                 adapter->hw.mac.ops.led_on(&adapter->hw);
1841                 break;
1842
1843         case ETHTOOL_ID_OFF:
1844                 adapter->hw.mac.ops.led_off(&adapter->hw);
1845                 break;
1846         }
1847         return 0;
1848 }
1849
1850 static int e1000_get_coalesce(struct net_device *netdev,
1851                               struct ethtool_coalesce *ec)
1852 {
1853         struct e1000_adapter *adapter = netdev_priv(netdev);
1854
1855         if (adapter->itr_setting <= 4)
1856                 ec->rx_coalesce_usecs = adapter->itr_setting;
1857         else
1858                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1859
1860         return 0;
1861 }
1862
1863 static int e1000_set_coalesce(struct net_device *netdev,
1864                               struct ethtool_coalesce *ec)
1865 {
1866         struct e1000_adapter *adapter = netdev_priv(netdev);
1867         struct e1000_hw *hw = &adapter->hw;
1868
1869         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1870             ((ec->rx_coalesce_usecs > 4) &&
1871              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1872             (ec->rx_coalesce_usecs == 2))
1873                 return -EINVAL;
1874
1875         if (ec->rx_coalesce_usecs == 4) {
1876                 adapter->itr = adapter->itr_setting = 4;
1877         } else if (ec->rx_coalesce_usecs <= 3) {
1878                 adapter->itr = 20000;
1879                 adapter->itr_setting = ec->rx_coalesce_usecs;
1880         } else {
1881                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1882                 adapter->itr_setting = adapter->itr & ~3;
1883         }
1884
1885         if (adapter->itr_setting != 0)
1886                 ew32(ITR, 1000000000 / (adapter->itr * 256));
1887         else
1888                 ew32(ITR, 0);
1889
1890         return 0;
1891 }
1892
1893 static int e1000_nway_reset(struct net_device *netdev)
1894 {
1895         struct e1000_adapter *adapter = netdev_priv(netdev);
1896
1897         if (!netif_running(netdev))
1898                 return -EAGAIN;
1899
1900         if (!adapter->hw.mac.autoneg)
1901                 return -EINVAL;
1902
1903         e1000e_reinit_locked(adapter);
1904
1905         return 0;
1906 }
1907
1908 static void e1000_get_ethtool_stats(struct net_device *netdev,
1909                                     struct ethtool_stats *stats,
1910                                     u64 *data)
1911 {
1912         struct e1000_adapter *adapter = netdev_priv(netdev);
1913         struct rtnl_link_stats64 net_stats;
1914         int i;
1915         char *p = NULL;
1916
1917         e1000e_get_stats64(netdev, &net_stats);
1918         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1919                 switch (e1000_gstrings_stats[i].type) {
1920                 case NETDEV_STATS:
1921                         p = (char *) &net_stats +
1922                                         e1000_gstrings_stats[i].stat_offset;
1923                         break;
1924                 case E1000_STATS:
1925                         p = (char *) adapter +
1926                                         e1000_gstrings_stats[i].stat_offset;
1927                         break;
1928                 default:
1929                         data[i] = 0;
1930                         continue;
1931                 }
1932
1933                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1934                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1935         }
1936 }
1937
1938 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1939                               u8 *data)
1940 {
1941         u8 *p = data;
1942         int i;
1943
1944         switch (stringset) {
1945         case ETH_SS_TEST:
1946                 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
1947                 break;
1948         case ETH_SS_STATS:
1949                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1950                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1951                                ETH_GSTRING_LEN);
1952                         p += ETH_GSTRING_LEN;
1953                 }
1954                 break;
1955         }
1956 }
1957
1958 static const struct ethtool_ops e1000_ethtool_ops = {
1959         .get_settings           = e1000_get_settings,
1960         .set_settings           = e1000_set_settings,
1961         .get_drvinfo            = e1000_get_drvinfo,
1962         .get_regs_len           = e1000_get_regs_len,
1963         .get_regs               = e1000_get_regs,
1964         .get_wol                = e1000_get_wol,
1965         .set_wol                = e1000_set_wol,
1966         .get_msglevel           = e1000_get_msglevel,
1967         .set_msglevel           = e1000_set_msglevel,
1968         .nway_reset             = e1000_nway_reset,
1969         .get_link               = ethtool_op_get_link,
1970         .get_eeprom_len         = e1000_get_eeprom_len,
1971         .get_eeprom             = e1000_get_eeprom,
1972         .set_eeprom             = e1000_set_eeprom,
1973         .get_ringparam          = e1000_get_ringparam,
1974         .set_ringparam          = e1000_set_ringparam,
1975         .get_pauseparam         = e1000_get_pauseparam,
1976         .set_pauseparam         = e1000_set_pauseparam,
1977         .self_test              = e1000_diag_test,
1978         .get_strings            = e1000_get_strings,
1979         .set_phys_id            = e1000_set_phys_id,
1980         .get_ethtool_stats      = e1000_get_ethtool_stats,
1981         .get_sset_count         = e1000e_get_sset_count,
1982         .get_coalesce           = e1000_get_coalesce,
1983         .set_coalesce           = e1000_set_coalesce,
1984 };
1985
1986 void e1000e_set_ethtool_ops(struct net_device *netdev)
1987 {
1988         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1989 }