drivers/net/ethernet/intel/e1000/e1000_ethtool.c

   1 /*******************************************************************************
   2
   3   Intel PRO/1000 Linux driver
   4   Copyright(c) 1999 - 2006 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 "e1000.h"
  32 #include <asm/uaccess.h>
  33
  34 enum {NETDEV_STATS, E1000_STATS};
  35
  36 struct e1000_stats {
  37         char stat_string[ETH_GSTRING_LEN];
  38         int type;
  39         int sizeof_stat;
  40         int stat_offset;
  41 };
  42
  43 #define E1000_STAT(m)           E1000_STATS, \
  44                                 sizeof(((struct e1000_adapter *)0)->m), \
  45                                 offsetof(struct e1000_adapter, m)
  46 #define E1000_NETDEV_STAT(m)    NETDEV_STATS, \
  47                                 sizeof(((struct net_device *)0)->m), \
  48                                 offsetof(struct net_device, m)
  49
  50 static const struct e1000_stats e1000_gstrings_stats[] = {
  51         { "rx_packets", E1000_STAT(stats.gprc) },
  52         { "tx_packets", E1000_STAT(stats.gptc) },
  53         { "rx_bytes", E1000_STAT(stats.gorcl) },
  54         { "tx_bytes", E1000_STAT(stats.gotcl) },
  55         { "rx_broadcast", E1000_STAT(stats.bprc) },
  56         { "tx_broadcast", E1000_STAT(stats.bptc) },
  57         { "rx_multicast", E1000_STAT(stats.mprc) },
  58         { "tx_multicast", E1000_STAT(stats.mptc) },
  59         { "rx_errors", E1000_STAT(stats.rxerrc) },
  60         { "tx_errors", E1000_STAT(stats.txerrc) },
  61         { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
  62         { "multicast", E1000_STAT(stats.mprc) },
  63         { "collisions", E1000_STAT(stats.colc) },
  64         { "rx_length_errors", E1000_STAT(stats.rlerrc) },
  65         { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
  66         { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
  67         { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
  68         { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
  69         { "rx_missed_errors", E1000_STAT(stats.mpc) },
  70         { "tx_aborted_errors", E1000_STAT(stats.ecol) },
  71         { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
  72         { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
  73         { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
  74         { "tx_window_errors", E1000_STAT(stats.latecol) },
  75         { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
  76         { "tx_deferred_ok", E1000_STAT(stats.dc) },
  77         { "tx_single_coll_ok", E1000_STAT(stats.scc) },
  78         { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
  79         { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
  80         { "tx_restart_queue", E1000_STAT(restart_queue) },
  81         { "rx_long_length_errors", E1000_STAT(stats.roc) },
  82         { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  83         { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  84         { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  85         { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  86         { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  87         { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  88         { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  89         { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  90         { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
  91         { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  92         { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
  93         { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
  94         { "tx_smbus", E1000_STAT(stats.mgptc) },
  95         { "rx_smbus", E1000_STAT(stats.mgprc) },
  96         { "dropped_smbus", E1000_STAT(stats.mgpdc) },
  97 };
  98
  99 #define E1000_QUEUE_STATS_LEN 0
 100 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
 101 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
 102 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 103         "Register test  (offline)", "Eeprom test    (offline)",
 104         "Interrupt test (offline)", "Loopback test  (offline)",
 105         "Link test   (on/offline)"
 106 };
 107 #define E1000_TEST_LEN  ARRAY_SIZE(e1000_gstrings_test)
 108
 109 static int e1000_get_settings(struct net_device *netdev,
 110                               struct ethtool_cmd *ecmd)
 111 {
 112         struct e1000_adapter *adapter = netdev_priv(netdev);
 113         struct e1000_hw *hw = &adapter->hw;
 114
 115         if (hw->media_type == e1000_media_type_copper) {
 116
 117                 ecmd->supported = (SUPPORTED_10baseT_Half |
 118                                    SUPPORTED_10baseT_Full |
 119                                    SUPPORTED_100baseT_Half |
 120                                    SUPPORTED_100baseT_Full |
 121                                    SUPPORTED_1000baseT_Full|
 122                                    SUPPORTED_Autoneg |
 123                                    SUPPORTED_TP);
 124                 ecmd->advertising = ADVERTISED_TP;
 125
 126                 if (hw->autoneg == 1) {
 127                         ecmd->advertising |= ADVERTISED_Autoneg;
 128                         /* the e1000 autoneg seems to match ethtool nicely */
 129                         ecmd->advertising |= hw->autoneg_advertised;
 130                 }
 131
 132                 ecmd->port = PORT_TP;
 133                 ecmd->phy_address = hw->phy_addr;
 134
 135                 if (hw->mac_type == e1000_82543)
 136                         ecmd->transceiver = XCVR_EXTERNAL;
 137                 else
 138                         ecmd->transceiver = XCVR_INTERNAL;
 139
 140         } else {
 141                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 142                                      SUPPORTED_FIBRE |
 143                                      SUPPORTED_Autoneg);
 144
 145                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 146                                      ADVERTISED_FIBRE |
 147                                      ADVERTISED_Autoneg);
 148
 149                 ecmd->port = PORT_FIBRE;
 150
 151                 if (hw->mac_type >= e1000_82545)
 152                         ecmd->transceiver = XCVR_INTERNAL;
 153                 else
 154                         ecmd->transceiver = XCVR_EXTERNAL;
 155         }
 156
 157         if (er32(STATUS) & E1000_STATUS_LU) {
 158
 159                 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
 160                                                    &adapter->link_duplex);
 161                 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
 162
 163                 /* unfortunately FULL_DUPLEX != DUPLEX_FULL
 164                  *          and HALF_DUPLEX != DUPLEX_HALF */
 165
 166                 if (adapter->link_duplex == FULL_DUPLEX)
 167                         ecmd->duplex = DUPLEX_FULL;
 168                 else
 169                         ecmd->duplex = DUPLEX_HALF;
 170         } else {
 171                 ethtool_cmd_speed_set(ecmd, -1);
 172                 ecmd->duplex = -1;
 173         }
 174
 175         ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
 176                          hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 177         return 0;
 178 }
 179
 180 static int e1000_set_settings(struct net_device *netdev,
 181                               struct ethtool_cmd *ecmd)
 182 {
 183         struct e1000_adapter *adapter = netdev_priv(netdev);
 184         struct e1000_hw *hw = &adapter->hw;
 185
 186         while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 187                 msleep(1);
 188
 189         if (ecmd->autoneg == AUTONEG_ENABLE) {
 190                 hw->autoneg = 1;
 191                 if (hw->media_type == e1000_media_type_fiber)
 192                         hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
 193                                      ADVERTISED_FIBRE |
 194                                      ADVERTISED_Autoneg;
 195                 else
 196                         hw->autoneg_advertised = ecmd->advertising |
 197                                                  ADVERTISED_TP |
 198                                                  ADVERTISED_Autoneg;
 199                 ecmd->advertising = hw->autoneg_advertised;
 200         } else {
 201                 u32 speed = ethtool_cmd_speed(ecmd);
 202                 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
 203                         clear_bit(__E1000_RESETTING, &adapter->flags);
 204                         return -EINVAL;
 205                 }
 206         }
 207
 208         /* reset the link */
 209
 210         if (netif_running(adapter->netdev)) {
 211                 e1000_down(adapter);
 212                 e1000_up(adapter);
 213         } else
 214                 e1000_reset(adapter);
 215
 216         clear_bit(__E1000_RESETTING, &adapter->flags);
 217         return 0;
 218 }
 219
 220 static u32 e1000_get_link(struct net_device *netdev)
 221 {
 222         struct e1000_adapter *adapter = netdev_priv(netdev);
 223
 224         /*
 225          * If the link is not reported up to netdev, interrupts are disabled,
 226          * and so the physical link state may have changed since we last
 227          * looked. Set get_link_status to make sure that the true link
 228          * state is interrogated, rather than pulling a cached and possibly
 229          * stale link state from the driver.
 230          */
 231         if (!netif_carrier_ok(netdev))
 232                 adapter->hw.get_link_status = 1;
 233
 234         return e1000_has_link(adapter);
 235 }
 236
 237 static void e1000_get_pauseparam(struct net_device *netdev,
 238                                  struct ethtool_pauseparam *pause)
 239 {
 240         struct e1000_adapter *adapter = netdev_priv(netdev);
 241         struct e1000_hw *hw = &adapter->hw;
 242
 243         pause->autoneg =
 244                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 245
 246         if (hw->fc == E1000_FC_RX_PAUSE)
 247                 pause->rx_pause = 1;
 248         else if (hw->fc == E1000_FC_TX_PAUSE)
 249                 pause->tx_pause = 1;
 250         else if (hw->fc == E1000_FC_FULL) {
 251                 pause->rx_pause = 1;
 252                 pause->tx_pause = 1;
 253         }
 254 }
 255
 256 static int e1000_set_pauseparam(struct net_device *netdev,
 257                                 struct ethtool_pauseparam *pause)
 258 {
 259         struct e1000_adapter *adapter = netdev_priv(netdev);
 260         struct e1000_hw *hw = &adapter->hw;
 261         int retval = 0;
 262
 263         adapter->fc_autoneg = pause->autoneg;
 264
 265         while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 266                 msleep(1);
 267
 268         if (pause->rx_pause && pause->tx_pause)
 269                 hw->fc = E1000_FC_FULL;
 270         else if (pause->rx_pause && !pause->tx_pause)
 271                 hw->fc = E1000_FC_RX_PAUSE;
 272         else if (!pause->rx_pause && pause->tx_pause)
 273                 hw->fc = E1000_FC_TX_PAUSE;
 274         else if (!pause->rx_pause && !pause->tx_pause)
 275                 hw->fc = E1000_FC_NONE;
 276
 277         hw->original_fc = hw->fc;
 278
 279         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 280                 if (netif_running(adapter->netdev)) {
 281                         e1000_down(adapter);
 282                         e1000_up(adapter);
 283                 } else
 284                         e1000_reset(adapter);
 285         } else
 286                 retval = ((hw->media_type == e1000_media_type_fiber) ?
 287                           e1000_setup_link(hw) : e1000_force_mac_fc(hw));
 288
 289         clear_bit(__E1000_RESETTING, &adapter->flags);
 290         return retval;
 291 }
 292
 293 static u32 e1000_get_msglevel(struct net_device *netdev)
 294 {
 295         struct e1000_adapter *adapter = netdev_priv(netdev);
 296         return adapter->msg_enable;
 297 }
 298
 299 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 300 {
 301         struct e1000_adapter *adapter = netdev_priv(netdev);
 302         adapter->msg_enable = data;
 303 }
 304
 305 static int e1000_get_regs_len(struct net_device *netdev)
 306 {
 307 #define E1000_REGS_LEN 32
 308         return E1000_REGS_LEN * sizeof(u32);
 309 }
 310
 311 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
 312                            void *p)
 313 {
 314         struct e1000_adapter *adapter = netdev_priv(netdev);
 315         struct e1000_hw *hw = &adapter->hw;
 316         u32 *regs_buff = p;
 317         u16 phy_data;
 318
 319         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 320
 321         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 322
 323         regs_buff[0]  = er32(CTRL);
 324         regs_buff[1]  = er32(STATUS);
 325
 326         regs_buff[2]  = er32(RCTL);
 327         regs_buff[3]  = er32(RDLEN);
 328         regs_buff[4]  = er32(RDH);
 329         regs_buff[5]  = er32(RDT);
 330         regs_buff[6]  = er32(RDTR);
 331
 332         regs_buff[7]  = er32(TCTL);
 333         regs_buff[8]  = er32(TDLEN);
 334         regs_buff[9]  = er32(TDH);
 335         regs_buff[10] = er32(TDT);
 336         regs_buff[11] = er32(TIDV);
 337
 338         regs_buff[12] = hw->phy_type;  /* PHY type (IGP=1, M88=0) */
 339         if (hw->phy_type == e1000_phy_igp) {
 340                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 341                                     IGP01E1000_PHY_AGC_A);
 342                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
 343                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 344                 regs_buff[13] = (u32)phy_data; /* cable length */
 345                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 346                                     IGP01E1000_PHY_AGC_B);
 347                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
 348                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 349                 regs_buff[14] = (u32)phy_data; /* cable length */
 350                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 351                                     IGP01E1000_PHY_AGC_C);
 352                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
 353                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 354                 regs_buff[15] = (u32)phy_data; /* cable length */
 355                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 356                                     IGP01E1000_PHY_AGC_D);
 357                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
 358                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 359                 regs_buff[16] = (u32)phy_data; /* cable length */
 360                 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
 361                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 362                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
 363                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 364                 regs_buff[18] = (u32)phy_data; /* cable polarity */
 365                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 366                                     IGP01E1000_PHY_PCS_INIT_REG);
 367                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
 368                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 369                 regs_buff[19] = (u32)phy_data; /* cable polarity */
 370                 regs_buff[20] = 0; /* polarity correction enabled (always) */
 371                 regs_buff[22] = 0; /* phy receive errors (unavailable) */
 372                 regs_buff[23] = regs_buff[18]; /* mdix mode */
 373                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 374         } else {
 375                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 376                 regs_buff[13] = (u32)phy_data; /* cable length */
 377                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 378                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 379                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 380                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 381                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 382                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 383                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 384                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 385                 /* phy receive errors */
 386                 regs_buff[22] = adapter->phy_stats.receive_errors;
 387                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 388         }
 389         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 390         e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
 391         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 392         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 393         if (hw->mac_type >= e1000_82540 &&
 394             hw->media_type == e1000_media_type_copper) {
 395                 regs_buff[26] = er32(MANC);
 396         }
 397 }
 398
 399 static int e1000_get_eeprom_len(struct net_device *netdev)
 400 {
 401         struct e1000_adapter *adapter = netdev_priv(netdev);
 402         struct e1000_hw *hw = &adapter->hw;
 403
 404         return hw->eeprom.word_size * 2;
 405 }
 406
 407 static int e1000_get_eeprom(struct net_device *netdev,
 408                             struct ethtool_eeprom *eeprom, u8 *bytes)
 409 {
 410         struct e1000_adapter *adapter = netdev_priv(netdev);
 411         struct e1000_hw *hw = &adapter->hw;
 412         u16 *eeprom_buff;
 413         int first_word, last_word;
 414         int ret_val = 0;
 415         u16 i;
 416
 417         if (eeprom->len == 0)
 418                 return -EINVAL;
 419
 420         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 421
 422         first_word = eeprom->offset >> 1;
 423         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 424
 425         eeprom_buff = kmalloc(sizeof(u16) *
 426                         (last_word - first_word + 1), GFP_KERNEL);
 427         if (!eeprom_buff)
 428                 return -ENOMEM;
 429
 430         if (hw->eeprom.type == e1000_eeprom_spi)
 431                 ret_val = e1000_read_eeprom(hw, first_word,
 432                                             last_word - first_word + 1,
 433                                             eeprom_buff);
 434         else {
 435                 for (i = 0; i < last_word - first_word + 1; i++) {
 436                         ret_val = e1000_read_eeprom(hw, first_word + i, 1,
 437                                                     &eeprom_buff[i]);
 438                         if (ret_val)
 439                                 break;
 440                 }
 441         }
 442
 443         /* Device's eeprom is always little-endian, word addressable */
 444         for (i = 0; i < last_word - first_word + 1; i++)
 445                 le16_to_cpus(&eeprom_buff[i]);
 446
 447         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
 448                         eeprom->len);
 449         kfree(eeprom_buff);
 450
 451         return ret_val;
 452 }
 453
 454 static int e1000_set_eeprom(struct net_device *netdev,
 455                             struct ethtool_eeprom *eeprom, u8 *bytes)
 456 {
 457         struct e1000_adapter *adapter = netdev_priv(netdev);
 458         struct e1000_hw *hw = &adapter->hw;
 459         u16 *eeprom_buff;
 460         void *ptr;
 461         int max_len, first_word, last_word, ret_val = 0;
 462         u16 i;
 463
 464         if (eeprom->len == 0)
 465                 return -EOPNOTSUPP;
 466
 467         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 468                 return -EFAULT;
 469
 470         max_len = hw->eeprom.word_size * 2;
 471
 472         first_word = eeprom->offset >> 1;
 473         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 474         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 475         if (!eeprom_buff)
 476                 return -ENOMEM;
 477
 478         ptr = (void *)eeprom_buff;
 479
 480         if (eeprom->offset & 1) {
 481                 /* need read/modify/write of first changed EEPROM word */
 482                 /* only the second byte of the word is being modified */
 483                 ret_val = e1000_read_eeprom(hw, first_word, 1,
 484                                             &eeprom_buff[0]);
 485                 ptr++;
 486         }
 487         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 488                 /* need read/modify/write of last changed EEPROM word */
 489                 /* only the first byte of the word is being modified */
 490                 ret_val = e1000_read_eeprom(hw, last_word, 1,
 491                                   &eeprom_buff[last_word - first_word]);
 492         }
 493
 494         /* Device's eeprom is always little-endian, word addressable */
 495         for (i = 0; i < last_word - first_word + 1; i++)
 496                 le16_to_cpus(&eeprom_buff[i]);
 497
 498         memcpy(ptr, bytes, eeprom->len);
 499
 500         for (i = 0; i < last_word - first_word + 1; i++)
 501                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 502
 503         ret_val = e1000_write_eeprom(hw, first_word,
 504                                      last_word - first_word + 1, eeprom_buff);
 505
 506         /* Update the checksum over the first part of the EEPROM if needed */
 507         if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
 508                 e1000_update_eeprom_checksum(hw);
 509
 510         kfree(eeprom_buff);
 511         return ret_val;
 512 }
 513
 514 static void e1000_get_drvinfo(struct net_device *netdev,
 515                               struct ethtool_drvinfo *drvinfo)
 516 {
 517         struct e1000_adapter *adapter = netdev_priv(netdev);
 518
 519         strlcpy(drvinfo->driver,  e1000_driver_name,
 520                 sizeof(drvinfo->driver));
 521         strlcpy(drvinfo->version, e1000_driver_version,
 522                 sizeof(drvinfo->version));
 523
 524         strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
 525         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 526                 sizeof(drvinfo->bus_info));
 527         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 528         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 529 }
 530
 531 static void e1000_get_ringparam(struct net_device *netdev,
 532                                 struct ethtool_ringparam *ring)
 533 {
 534         struct e1000_adapter *adapter = netdev_priv(netdev);
 535         struct e1000_hw *hw = &adapter->hw;
 536         e1000_mac_type mac_type = hw->mac_type;
 537         struct e1000_tx_ring *txdr = adapter->tx_ring;
 538         struct e1000_rx_ring *rxdr = adapter->rx_ring;
 539
 540         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 541                 E1000_MAX_82544_RXD;
 542         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 543                 E1000_MAX_82544_TXD;
 544         ring->rx_pending = rxdr->count;
 545         ring->tx_pending = txdr->count;
 546 }
 547
 548 static int e1000_set_ringparam(struct net_device *netdev,
 549                                struct ethtool_ringparam *ring)
 550 {
 551         struct e1000_adapter *adapter = netdev_priv(netdev);
 552         struct e1000_hw *hw = &adapter->hw;
 553         e1000_mac_type mac_type = hw->mac_type;
 554         struct e1000_tx_ring *txdr, *tx_old;
 555         struct e1000_rx_ring *rxdr, *rx_old;
 556         int i, err;
 557
 558         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 559                 return -EINVAL;
 560
 561         while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 562                 msleep(1);
 563
 564         if (netif_running(adapter->netdev))
 565                 e1000_down(adapter);
 566
 567         tx_old = adapter->tx_ring;
 568         rx_old = adapter->rx_ring;
 569
 570         err = -ENOMEM;
 571         txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), GFP_KERNEL);
 572         if (!txdr)
 573                 goto err_alloc_tx;
 574
 575         rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring), GFP_KERNEL);
 576         if (!rxdr)
 577                 goto err_alloc_rx;
 578
 579         adapter->tx_ring = txdr;
 580         adapter->rx_ring = rxdr;
 581
 582         rxdr->count = max(ring->rx_pending,(u32)E1000_MIN_RXD);
 583         rxdr->count = min(rxdr->count,(u32)(mac_type < e1000_82544 ?
 584                 E1000_MAX_RXD : E1000_MAX_82544_RXD));
 585         rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 586
 587         txdr->count = max(ring->tx_pending,(u32)E1000_MIN_TXD);
 588         txdr->count = min(txdr->count,(u32)(mac_type < e1000_82544 ?
 589                 E1000_MAX_TXD : E1000_MAX_82544_TXD));
 590         txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 591
 592         for (i = 0; i < adapter->num_tx_queues; i++)
 593                 txdr[i].count = txdr->count;
 594         for (i = 0; i < adapter->num_rx_queues; i++)
 595                 rxdr[i].count = rxdr->count;
 596
 597         if (netif_running(adapter->netdev)) {
 598                 /* Try to get new resources before deleting old */
 599                 err = e1000_setup_all_rx_resources(adapter);
 600                 if (err)
 601                         goto err_setup_rx;
 602                 err = e1000_setup_all_tx_resources(adapter);
 603                 if (err)
 604                         goto err_setup_tx;
 605
 606                 /* save the new, restore the old in order to free it,
 607                  * then restore the new back again */
 608
 609                 adapter->rx_ring = rx_old;
 610                 adapter->tx_ring = tx_old;
 611                 e1000_free_all_rx_resources(adapter);
 612                 e1000_free_all_tx_resources(adapter);
 613                 kfree(tx_old);
 614                 kfree(rx_old);
 615                 adapter->rx_ring = rxdr;
 616                 adapter->tx_ring = txdr;
 617                 err = e1000_up(adapter);
 618                 if (err)
 619                         goto err_setup;
 620         }
 621
 622         clear_bit(__E1000_RESETTING, &adapter->flags);
 623         return 0;
 624 err_setup_tx:
 625         e1000_free_all_rx_resources(adapter);
 626 err_setup_rx:
 627         adapter->rx_ring = rx_old;
 628         adapter->tx_ring = tx_old;
 629         kfree(rxdr);
 630 err_alloc_rx:
 631         kfree(txdr);
 632 err_alloc_tx:
 633         e1000_up(adapter);
 634 err_setup:
 635         clear_bit(__E1000_RESETTING, &adapter->flags);
 636         return err;
 637 }
 638
 639 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
 640                              u32 mask, u32 write)
 641 {
 642         struct e1000_hw *hw = &adapter->hw;
 643         static const u32 test[] =
 644                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
 645         u8 __iomem *address = hw->hw_addr + reg;
 646         u32 read;
 647         int i;
 648
 649         for (i = 0; i < ARRAY_SIZE(test); i++) {
 650                 writel(write & test[i], address);
 651                 read = readl(address);
 652                 if (read != (write & test[i] & mask)) {
 653                         e_err(drv, "pattern test reg %04X failed: "
 654                               "got 0x%08X expected 0x%08X\n",
 655                               reg, read, (write & test[i] & mask));
 656                         *data = reg;
 657                         return true;
 658                 }
 659         }
 660         return false;
 661 }
 662
 663 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
 664                               u32 mask, u32 write)
 665 {
 666         struct e1000_hw *hw = &adapter->hw;
 667         u8 __iomem *address = hw->hw_addr + reg;
 668         u32 read;
 669
 670         writel(write & mask, address);
 671         read = readl(address);
 672         if ((read & mask) != (write & mask)) {
 673                 e_err(drv, "set/check reg %04X test failed: "
 674                       "got 0x%08X expected 0x%08X\n",
 675                       reg, (read & mask), (write & mask));
 676                 *data = reg;
 677                 return true;
 678         }
 679         return false;
 680 }
 681
 682 #define REG_PATTERN_TEST(reg, mask, write)                           \
 683         do {                                                         \
 684                 if (reg_pattern_test(adapter, data,                  \
 685                              (hw->mac_type >= e1000_82543)   \
 686                              ? E1000_##reg : E1000_82542_##reg,      \
 687                              mask, write))                           \
 688                         return 1;                                    \
 689         } while (0)
 690
 691 #define REG_SET_AND_CHECK(reg, mask, write)                          \
 692         do {                                                         \
 693                 if (reg_set_and_check(adapter, data,                 \
 694                               (hw->mac_type >= e1000_82543)  \
 695                               ? E1000_##reg : E1000_82542_##reg,     \
 696                               mask, write))                          \
 697                         return 1;                                    \
 698         } while (0)
 699
 700 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 701 {
 702         u32 value, before, after;
 703         u32 i, toggle;
 704         struct e1000_hw *hw = &adapter->hw;
 705
 706         /* The status register is Read Only, so a write should fail.
 707          * Some bits that get toggled are ignored.
 708          */
 709
 710         /* there are several bits on newer hardware that are r/w */
 711         toggle = 0xFFFFF833;
 712
 713         before = er32(STATUS);
 714         value = (er32(STATUS) & toggle);
 715         ew32(STATUS, toggle);
 716         after = er32(STATUS) & toggle;
 717         if (value != after) {
 718                 e_err(drv, "failed STATUS register test got: "
 719                       "0x%08X expected: 0x%08X\n", after, value);
 720                 *data = 1;
 721                 return 1;
 722         }
 723         /* restore previous status */
 724         ew32(STATUS, before);
 725
 726         REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 727         REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 728         REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 729         REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 730
 731         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 732         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 733         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 734         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 735         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 736         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 737         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 738         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 739         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 740         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 741
 742         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 743
 744         before = 0x06DFB3FE;
 745         REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
 746         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 747
 748         if (hw->mac_type >= e1000_82543) {
 749
 750                 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
 751                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 752                 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 753                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 754                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 755                 value = E1000_RAR_ENTRIES;
 756                 for (i = 0; i < value; i++) {
 757                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 758                                          0xFFFFFFFF);
 759                 }
 760
 761         } else {
 762
 763                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 764                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 765                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 766                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 767
 768         }
 769
 770         value = E1000_MC_TBL_SIZE;
 771         for (i = 0; i < value; i++)
 772                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 773
 774         *data = 0;
 775         return 0;
 776 }
 777
 778 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 779 {
 780         struct e1000_hw *hw = &adapter->hw;
 781         u16 temp;
 782         u16 checksum = 0;
 783         u16 i;
 784
 785         *data = 0;
 786         /* Read and add up the contents of the EEPROM */
 787         for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 788                 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
 789                         *data = 1;
 790                         break;
 791                 }
 792                 checksum += temp;
 793         }
 794
 795         /* If Checksum is not Correct return error else test passed */
 796         if ((checksum != (u16)EEPROM_SUM) && !(*data))
 797                 *data = 2;
 798
 799         return *data;
 800 }
 801
 802 static irqreturn_t e1000_test_intr(int irq, void *data)
 803 {
 804         struct net_device *netdev = (struct net_device *)data;
 805         struct e1000_adapter *adapter = netdev_priv(netdev);
 806         struct e1000_hw *hw = &adapter->hw;
 807
 808         adapter->test_icr |= er32(ICR);
 809
 810         return IRQ_HANDLED;
 811 }
 812
 813 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 814 {
 815         struct net_device *netdev = adapter->netdev;
 816         u32 mask, i = 0;
 817         bool shared_int = true;
 818         u32 irq = adapter->pdev->irq;
 819         struct e1000_hw *hw = &adapter->hw;
 820
 821         *data = 0;
 822
 823         /* NOTE: we don't test MSI interrupts here, yet */
 824         /* Hook up test interrupt handler just for this test */
 825         if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 826                          netdev))
 827                 shared_int = false;
 828         else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
 829                  netdev->name, netdev)) {
 830                 *data = 1;
 831                 return -1;
 832         }
 833         e_info(hw, "testing %s interrupt\n", (shared_int ?
 834                "shared" : "unshared"));
 835
 836         /* Disable all the interrupts */
 837         ew32(IMC, 0xFFFFFFFF);
 838         E1000_WRITE_FLUSH();
 839         msleep(10);
 840
 841         /* Test each interrupt */
 842         for (; i < 10; i++) {
 843
 844                 /* Interrupt to test */
 845                 mask = 1 << i;
 846
 847                 if (!shared_int) {
 848                         /* Disable the interrupt to be reported in
 849                          * the cause register and then force the same
 850                          * interrupt and see if one gets posted.  If
 851                          * an interrupt was posted to the bus, the
 852                          * test failed.
 853                          */
 854                         adapter->test_icr = 0;
 855                         ew32(IMC, mask);
 856                         ew32(ICS, mask);
 857                         E1000_WRITE_FLUSH();
 858                         msleep(10);
 859
 860                         if (adapter->test_icr & mask) {
 861                                 *data = 3;
 862                                 break;
 863                         }
 864                 }
 865
 866                 /* Enable the interrupt to be reported in
 867                  * the cause register and then force the same
 868                  * interrupt and see if one gets posted.  If
 869                  * an interrupt was not posted to the bus, the
 870                  * test failed.
 871                  */
 872                 adapter->test_icr = 0;
 873                 ew32(IMS, mask);
 874                 ew32(ICS, mask);
 875                 E1000_WRITE_FLUSH();
 876                 msleep(10);
 877
 878                 if (!(adapter->test_icr & mask)) {
 879                         *data = 4;
 880                         break;
 881                 }
 882
 883                 if (!shared_int) {
 884                         /* Disable the other interrupts to be reported in
 885                          * the cause register and then force the other
 886                          * interrupts and see if any get posted.  If
 887                          * an interrupt was posted to the bus, the
 888                          * test failed.
 889                          */
 890                         adapter->test_icr = 0;
 891                         ew32(IMC, ~mask & 0x00007FFF);
 892                         ew32(ICS, ~mask & 0x00007FFF);
 893                         E1000_WRITE_FLUSH();
 894                         msleep(10);
 895
 896                         if (adapter->test_icr) {
 897                                 *data = 5;
 898                                 break;
 899                         }
 900                 }
 901         }
 902
 903         /* Disable all the interrupts */
 904         ew32(IMC, 0xFFFFFFFF);
 905         E1000_WRITE_FLUSH();
 906         msleep(10);
 907
 908         /* Unhook test interrupt handler */
 909         free_irq(irq, netdev);
 910
 911         return *data;
 912 }
 913
 914 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
 915 {
 916         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 917         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 918         struct pci_dev *pdev = adapter->pdev;
 919         int i;
 920
 921         if (txdr->desc && txdr->buffer_info) {
 922                 for (i = 0; i < txdr->count; i++) {
 923                         if (txdr->buffer_info[i].dma)
 924                                 dma_unmap_single(&pdev->dev,
 925                                                  txdr->buffer_info[i].dma,
 926                                                  txdr->buffer_info[i].length,
 927                                                  DMA_TO_DEVICE);
 928                         if (txdr->buffer_info[i].skb)
 929                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 930                 }
 931         }
 932
 933         if (rxdr->desc && rxdr->buffer_info) {
 934                 for (i = 0; i < rxdr->count; i++) {
 935                         if (rxdr->buffer_info[i].dma)
 936                                 dma_unmap_single(&pdev->dev,
 937                                                  rxdr->buffer_info[i].dma,
 938                                                  rxdr->buffer_info[i].length,
 939                                                  DMA_FROM_DEVICE);
 940                         if (rxdr->buffer_info[i].skb)
 941                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
 942                 }
 943         }
 944
 945         if (txdr->desc) {
 946                 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
 947                                   txdr->dma);
 948                 txdr->desc = NULL;
 949         }
 950         if (rxdr->desc) {
 951                 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
 952                                   rxdr->dma);
 953                 rxdr->desc = NULL;
 954         }
 955
 956         kfree(txdr->buffer_info);
 957         txdr->buffer_info = NULL;
 958         kfree(rxdr->buffer_info);
 959         rxdr->buffer_info = NULL;
 960 }
 961
 962 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
 963 {
 964         struct e1000_hw *hw = &adapter->hw;
 965         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 966         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 967         struct pci_dev *pdev = adapter->pdev;
 968         u32 rctl;
 969         int i, ret_val;
 970
 971         /* Setup Tx descriptor ring and Tx buffers */
 972
 973         if (!txdr->count)
 974                 txdr->count = E1000_DEFAULT_TXD;
 975
 976         txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer),
 977                                     GFP_KERNEL);
 978         if (!txdr->buffer_info) {
 979                 ret_val = 1;
 980                 goto err_nomem;
 981         }
 982
 983         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
 984         txdr->size = ALIGN(txdr->size, 4096);
 985         txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
 986                                         GFP_KERNEL);
 987         if (!txdr->desc) {
 988                 ret_val = 2;
 989                 goto err_nomem;
 990         }
 991         memset(txdr->desc, 0, txdr->size);
 992         txdr->next_to_use = txdr->next_to_clean = 0;
 993
 994         ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
 995         ew32(TDBAH, ((u64)txdr->dma >> 32));
 996         ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
 997         ew32(TDH, 0);
 998         ew32(TDT, 0);
 999         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1000              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1001              E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1002
1003         for (i = 0; i < txdr->count; i++) {
1004                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1005                 struct sk_buff *skb;
1006                 unsigned int size = 1024;
1007
1008                 skb = alloc_skb(size, GFP_KERNEL);
1009                 if (!skb) {
1010                         ret_val = 3;
1011                         goto err_nomem;
1012                 }
1013                 skb_put(skb, size);
1014                 txdr->buffer_info[i].skb = skb;
1015                 txdr->buffer_info[i].length = skb->len;
1016                 txdr->buffer_info[i].dma =
1017                         dma_map_single(&pdev->dev, skb->data, skb->len,
1018                                        DMA_TO_DEVICE);
1019                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1020                 tx_desc->lower.data = cpu_to_le32(skb->len);
1021                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1022                                                    E1000_TXD_CMD_IFCS |
1023                                                    E1000_TXD_CMD_RPS);
1024                 tx_desc->upper.data = 0;
1025         }
1026
1027         /* Setup Rx descriptor ring and Rx buffers */
1028
1029         if (!rxdr->count)
1030                 rxdr->count = E1000_DEFAULT_RXD;
1031
1032         rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
1033                                     GFP_KERNEL);
1034         if (!rxdr->buffer_info) {
1035                 ret_val = 4;
1036                 goto err_nomem;
1037         }
1038
1039         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1040         rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1041                                         GFP_KERNEL);
1042         if (!rxdr->desc) {
1043                 ret_val = 5;
1044                 goto err_nomem;
1045         }
1046         memset(rxdr->desc, 0, rxdr->size);
1047         rxdr->next_to_use = rxdr->next_to_clean = 0;
1048
1049         rctl = er32(RCTL);
1050         ew32(RCTL, rctl & ~E1000_RCTL_EN);
1051         ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1052         ew32(RDBAH, ((u64)rxdr->dma >> 32));
1053         ew32(RDLEN, rxdr->size);
1054         ew32(RDH, 0);
1055         ew32(RDT, 0);
1056         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1057                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1058                 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1059         ew32(RCTL, rctl);
1060
1061         for (i = 0; i < rxdr->count; i++) {
1062                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1063                 struct sk_buff *skb;
1064
1065                 skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1066                 if (!skb) {
1067                         ret_val = 6;
1068                         goto err_nomem;
1069                 }
1070                 skb_reserve(skb, NET_IP_ALIGN);
1071                 rxdr->buffer_info[i].skb = skb;
1072                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1073                 rxdr->buffer_info[i].dma =
1074                         dma_map_single(&pdev->dev, skb->data,
1075                                        E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1076                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1077                 memset(skb->data, 0x00, skb->len);
1078         }
1079
1080         return 0;
1081
1082 err_nomem:
1083         e1000_free_desc_rings(adapter);
1084         return ret_val;
1085 }
1086
1087 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1088 {
1089         struct e1000_hw *hw = &adapter->hw;
1090
1091         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1092         e1000_write_phy_reg(hw, 29, 0x001F);
1093         e1000_write_phy_reg(hw, 30, 0x8FFC);
1094         e1000_write_phy_reg(hw, 29, 0x001A);
1095         e1000_write_phy_reg(hw, 30, 0x8FF0);
1096 }
1097
1098 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1099 {
1100         struct e1000_hw *hw = &adapter->hw;
1101         u16 phy_reg;
1102
1103         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1104          * Extended PHY Specific Control Register to 25MHz clock.  This
1105          * value defaults back to a 2.5MHz clock when the PHY is reset.
1106          */
1107         e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1108         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1109         e1000_write_phy_reg(hw,
1110                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1111
1112         /* In addition, because of the s/w reset above, we need to enable
1113          * CRS on TX.  This must be set for both full and half duplex
1114          * operation.
1115          */
1116         e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1117         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1118         e1000_write_phy_reg(hw,
1119                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1120 }
1121
1122 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1123 {
1124         struct e1000_hw *hw = &adapter->hw;
1125         u32 ctrl_reg;
1126         u16 phy_reg;
1127
1128         /* Setup the Device Control Register for PHY loopback test. */
1129
1130         ctrl_reg = er32(CTRL);
1131         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1132                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1133                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1134                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1135                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1136
1137         ew32(CTRL, ctrl_reg);
1138
1139         /* Read the PHY Specific Control Register (0x10) */
1140         e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1141
1142         /* Clear Auto-Crossover bits in PHY Specific Control Register
1143          * (bits 6:5).
1144          */
1145         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1146         e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1147
1148         /* Perform software reset on the PHY */
1149         e1000_phy_reset(hw);
1150
1151         /* Have to setup TX_CLK and TX_CRS after software reset */
1152         e1000_phy_reset_clk_and_crs(adapter);
1153
1154         e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1155
1156         /* Wait for reset to complete. */
1157         udelay(500);
1158
1159         /* Have to setup TX_CLK and TX_CRS after software reset */
1160         e1000_phy_reset_clk_and_crs(adapter);
1161
1162         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1163         e1000_phy_disable_receiver(adapter);
1164
1165         /* Set the loopback bit in the PHY control register. */
1166         e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1167         phy_reg |= MII_CR_LOOPBACK;
1168         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1169
1170         /* Setup TX_CLK and TX_CRS one more time. */
1171         e1000_phy_reset_clk_and_crs(adapter);
1172
1173         /* Check Phy Configuration */
1174         e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1175         if (phy_reg != 0x4100)
1176                  return 9;
1177
1178         e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1179         if (phy_reg != 0x0070)
1180                 return 10;
1181
1182         e1000_read_phy_reg(hw, 29, &phy_reg);
1183         if (phy_reg != 0x001A)
1184                 return 11;
1185
1186         return 0;
1187 }
1188
1189 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1190 {
1191         struct e1000_hw *hw = &adapter->hw;
1192         u32 ctrl_reg = 0;
1193         u32 stat_reg = 0;
1194
1195         hw->autoneg = false;
1196
1197         if (hw->phy_type == e1000_phy_m88) {
1198                 /* Auto-MDI/MDIX Off */
1199                 e1000_write_phy_reg(hw,
1200                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1201                 /* reset to update Auto-MDI/MDIX */
1202                 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1203                 /* autoneg off */
1204                 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1205         }
1206
1207         ctrl_reg = er32(CTRL);
1208
1209         /* force 1000, set loopback */
1210         e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1211
1212         /* Now set up the MAC to the same speed/duplex as the PHY. */
1213         ctrl_reg = er32(CTRL);
1214         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1215         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1216                         E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1217                         E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1218                         E1000_CTRL_FD);  /* Force Duplex to FULL */
1219
1220         if (hw->media_type == e1000_media_type_copper &&
1221            hw->phy_type == e1000_phy_m88)
1222                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1223         else {
1224                 /* Set the ILOS bit on the fiber Nic is half
1225                  * duplex link is detected. */
1226                 stat_reg = er32(STATUS);
1227                 if ((stat_reg & E1000_STATUS_FD) == 0)
1228                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1229         }
1230
1231         ew32(CTRL, ctrl_reg);
1232
1233         /* Disable the receiver on the PHY so when a cable is plugged in, the
1234          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1235          */
1236         if (hw->phy_type == e1000_phy_m88)
1237                 e1000_phy_disable_receiver(adapter);
1238
1239         udelay(500);
1240
1241         return 0;
1242 }
1243
1244 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1245 {
1246         struct e1000_hw *hw = &adapter->hw;
1247         u16 phy_reg = 0;
1248         u16 count = 0;
1249
1250         switch (hw->mac_type) {
1251         case e1000_82543:
1252                 if (hw->media_type == e1000_media_type_copper) {
1253                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1254                          * Some PHY registers get corrupted at random, so
1255                          * attempt this 10 times.
1256                          */
1257                         while (e1000_nonintegrated_phy_loopback(adapter) &&
1258                               count++ < 10);
1259                         if (count < 11)
1260                                 return 0;
1261                 }
1262                 break;
1263
1264         case e1000_82544:
1265         case e1000_82540:
1266         case e1000_82545:
1267         case e1000_82545_rev_3:
1268         case e1000_82546:
1269         case e1000_82546_rev_3:
1270         case e1000_82541:
1271         case e1000_82541_rev_2:
1272         case e1000_82547:
1273         case e1000_82547_rev_2:
1274                 return e1000_integrated_phy_loopback(adapter);
1275                 break;
1276         default:
1277                 /* Default PHY loopback work is to read the MII
1278                  * control register and assert bit 14 (loopback mode).
1279                  */
1280                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1281                 phy_reg |= MII_CR_LOOPBACK;
1282                 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1283                 return 0;
1284                 break;
1285         }
1286
1287         return 8;
1288 }
1289
1290 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1291 {
1292         struct e1000_hw *hw = &adapter->hw;
1293         u32 rctl;
1294
1295         if (hw->media_type == e1000_media_type_fiber ||
1296             hw->media_type == e1000_media_type_internal_serdes) {
1297                 switch (hw->mac_type) {
1298                 case e1000_82545:
1299                 case e1000_82546:
1300                 case e1000_82545_rev_3:
1301                 case e1000_82546_rev_3:
1302                         return e1000_set_phy_loopback(adapter);
1303                         break;
1304                 default:
1305                         rctl = er32(RCTL);
1306                         rctl |= E1000_RCTL_LBM_TCVR;
1307                         ew32(RCTL, rctl);
1308                         return 0;
1309                 }
1310         } else if (hw->media_type == e1000_media_type_copper)
1311                 return e1000_set_phy_loopback(adapter);
1312
1313         return 7;
1314 }
1315
1316 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1317 {
1318         struct e1000_hw *hw = &adapter->hw;
1319         u32 rctl;
1320         u16 phy_reg;
1321
1322         rctl = er32(RCTL);
1323         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1324         ew32(RCTL, rctl);
1325
1326         switch (hw->mac_type) {
1327         case e1000_82545:
1328         case e1000_82546:
1329         case e1000_82545_rev_3:
1330         case e1000_82546_rev_3:
1331         default:
1332                 hw->autoneg = true;
1333                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1334                 if (phy_reg & MII_CR_LOOPBACK) {
1335                         phy_reg &= ~MII_CR_LOOPBACK;
1336                         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1337                         e1000_phy_reset(hw);
1338                 }
1339                 break;
1340         }
1341 }
1342
1343 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1344                                       unsigned int frame_size)
1345 {
1346         memset(skb->data, 0xFF, frame_size);
1347         frame_size &= ~1;
1348         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1349         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1350         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1351 }
1352
1353 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1354                                     unsigned int frame_size)
1355 {
1356         frame_size &= ~1;
1357         if (*(skb->data + 3) == 0xFF) {
1358                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1359                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1360                         return 0;
1361                 }
1362         }
1363         return 13;
1364 }
1365
1366 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1367 {
1368         struct e1000_hw *hw = &adapter->hw;
1369         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1370         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1371         struct pci_dev *pdev = adapter->pdev;
1372         int i, j, k, l, lc, good_cnt, ret_val=0;
1373         unsigned long time;
1374
1375         ew32(RDT, rxdr->count - 1);
1376
1377         /* Calculate the loop count based on the largest descriptor ring
1378          * The idea is to wrap the largest ring a number of times using 64
1379          * send/receive pairs during each loop
1380          */
1381
1382         if (rxdr->count <= txdr->count)
1383                 lc = ((txdr->count / 64) * 2) + 1;
1384         else
1385                 lc = ((rxdr->count / 64) * 2) + 1;
1386
1387         k = l = 0;
1388         for (j = 0; j <= lc; j++) { /* loop count loop */
1389                 for (i = 0; i < 64; i++) { /* send the packets */
1390                         e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1391                                         1024);
1392                         dma_sync_single_for_device(&pdev->dev,
1393                                                    txdr->buffer_info[k].dma,
1394                                                    txdr->buffer_info[k].length,
1395                                                    DMA_TO_DEVICE);
1396                         if (unlikely(++k == txdr->count)) k = 0;
1397                 }
1398                 ew32(TDT, k);
1399                 E1000_WRITE_FLUSH();
1400                 msleep(200);
1401                 time = jiffies; /* set the start time for the receive */
1402                 good_cnt = 0;
1403                 do { /* receive the sent packets */
1404                         dma_sync_single_for_cpu(&pdev->dev,
1405                                                 rxdr->buffer_info[l].dma,
1406                                                 rxdr->buffer_info[l].length,
1407                                                 DMA_FROM_DEVICE);
1408
1409                         ret_val = e1000_check_lbtest_frame(
1410                                         rxdr->buffer_info[l].skb,
1411                                         1024);
1412                         if (!ret_val)
1413                                 good_cnt++;
1414                         if (unlikely(++l == rxdr->count)) l = 0;
1415                         /* time + 20 msecs (200 msecs on 2.4) is more than
1416                          * enough time to complete the receives, if it's
1417                          * exceeded, break and error off
1418                          */
1419                 } while (good_cnt < 64 && jiffies < (time + 20));
1420                 if (good_cnt != 64) {
1421                         ret_val = 13; /* ret_val is the same as mis-compare */
1422                         break;
1423                 }
1424                 if (jiffies >= (time + 2)) {
1425                         ret_val = 14; /* error code for time out error */
1426                         break;
1427                 }
1428         } /* end loop count loop */
1429         return ret_val;
1430 }
1431
1432 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1433 {
1434         *data = e1000_setup_desc_rings(adapter);
1435         if (*data)
1436                 goto out;
1437         *data = e1000_setup_loopback_test(adapter);
1438         if (*data)
1439                 goto err_loopback;
1440         *data = e1000_run_loopback_test(adapter);
1441         e1000_loopback_cleanup(adapter);
1442
1443 err_loopback:
1444         e1000_free_desc_rings(adapter);
1445 out:
1446         return *data;
1447 }
1448
1449 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1450 {
1451         struct e1000_hw *hw = &adapter->hw;
1452         *data = 0;
1453         if (hw->media_type == e1000_media_type_internal_serdes) {
1454                 int i = 0;
1455                 hw->serdes_has_link = false;
1456
1457                 /* On some blade server designs, link establishment
1458                  * could take as long as 2-3 minutes */
1459                 do {
1460                         e1000_check_for_link(hw);
1461                         if (hw->serdes_has_link)
1462                                 return *data;
1463                         msleep(20);
1464                 } while (i++ < 3750);
1465
1466                 *data = 1;
1467         } else {
1468                 e1000_check_for_link(hw);
1469                 if (hw->autoneg)  /* if auto_neg is set wait for it */
1470                         msleep(4000);
1471
1472                 if (!(er32(STATUS) & E1000_STATUS_LU)) {
1473                         *data = 1;
1474                 }
1475         }
1476         return *data;
1477 }
1478
1479 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1480 {
1481         switch (sset) {
1482         case ETH_SS_TEST:
1483                 return E1000_TEST_LEN;
1484         case ETH_SS_STATS:
1485                 return E1000_STATS_LEN;
1486         default:
1487                 return -EOPNOTSUPP;
1488         }
1489 }
1490
1491 static void e1000_diag_test(struct net_device *netdev,
1492                             struct ethtool_test *eth_test, u64 *data)
1493 {
1494         struct e1000_adapter *adapter = netdev_priv(netdev);
1495         struct e1000_hw *hw = &adapter->hw;
1496         bool if_running = netif_running(netdev);
1497
1498         set_bit(__E1000_TESTING, &adapter->flags);
1499         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1500                 /* Offline tests */
1501
1502                 /* save speed, duplex, autoneg settings */
1503                 u16 autoneg_advertised = hw->autoneg_advertised;
1504                 u8 forced_speed_duplex = hw->forced_speed_duplex;
1505                 u8 autoneg = hw->autoneg;
1506
1507                 e_info(hw, "offline testing starting\n");
1508
1509                 /* Link test performed before hardware reset so autoneg doesn't
1510                  * interfere with test result */
1511                 if (e1000_link_test(adapter, &data[4]))
1512                         eth_test->flags |= ETH_TEST_FL_FAILED;
1513
1514                 if (if_running)
1515                         /* indicate we're in test mode */
1516                         dev_close(netdev);
1517                 else
1518                         e1000_reset(adapter);
1519
1520                 if (e1000_reg_test(adapter, &data[0]))
1521                         eth_test->flags |= ETH_TEST_FL_FAILED;
1522
1523                 e1000_reset(adapter);
1524                 if (e1000_eeprom_test(adapter, &data[1]))
1525                         eth_test->flags |= ETH_TEST_FL_FAILED;
1526
1527                 e1000_reset(adapter);
1528                 if (e1000_intr_test(adapter, &data[2]))
1529                         eth_test->flags |= ETH_TEST_FL_FAILED;
1530
1531                 e1000_reset(adapter);
1532                 /* make sure the phy is powered up */
1533                 e1000_power_up_phy(adapter);
1534                 if (e1000_loopback_test(adapter, &data[3]))
1535                         eth_test->flags |= ETH_TEST_FL_FAILED;
1536
1537                 /* restore speed, duplex, autoneg settings */
1538                 hw->autoneg_advertised = autoneg_advertised;
1539                 hw->forced_speed_duplex = forced_speed_duplex;
1540                 hw->autoneg = autoneg;
1541
1542                 e1000_reset(adapter);
1543                 clear_bit(__E1000_TESTING, &adapter->flags);
1544                 if (if_running)
1545                         dev_open(netdev);
1546         } else {
1547                 e_info(hw, "online testing starting\n");
1548                 /* Online tests */
1549                 if (e1000_link_test(adapter, &data[4]))
1550                         eth_test->flags |= ETH_TEST_FL_FAILED;
1551
1552                 /* Online tests aren't run; pass by default */
1553                 data[0] = 0;
1554                 data[1] = 0;
1555                 data[2] = 0;
1556                 data[3] = 0;
1557
1558                 clear_bit(__E1000_TESTING, &adapter->flags);
1559         }
1560         msleep_interruptible(4 * 1000);
1561 }
1562
1563 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1564                                struct ethtool_wolinfo *wol)
1565 {
1566         struct e1000_hw *hw = &adapter->hw;
1567         int retval = 1; /* fail by default */
1568
1569         switch (hw->device_id) {
1570         case E1000_DEV_ID_82542:
1571         case E1000_DEV_ID_82543GC_FIBER:
1572         case E1000_DEV_ID_82543GC_COPPER:
1573         case E1000_DEV_ID_82544EI_FIBER:
1574         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1575         case E1000_DEV_ID_82545EM_FIBER:
1576         case E1000_DEV_ID_82545EM_COPPER:
1577         case E1000_DEV_ID_82546GB_QUAD_COPPER:
1578         case E1000_DEV_ID_82546GB_PCIE:
1579                 /* these don't support WoL at all */
1580                 wol->supported = 0;
1581                 break;
1582         case E1000_DEV_ID_82546EB_FIBER:
1583         case E1000_DEV_ID_82546GB_FIBER:
1584                 /* Wake events not supported on port B */
1585                 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1586                         wol->supported = 0;
1587                         break;
1588                 }
1589                 /* return success for non excluded adapter ports */
1590                 retval = 0;
1591                 break;
1592         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1593                 /* quad port adapters only support WoL on port A */
1594                 if (!adapter->quad_port_a) {
1595                         wol->supported = 0;
1596                         break;
1597                 }
1598                 /* return success for non excluded adapter ports */
1599                 retval = 0;
1600                 break;
1601         default:
1602                 /* dual port cards only support WoL on port A from now on
1603                  * unless it was enabled in the eeprom for port B
1604                  * so exclude FUNC_1 ports from having WoL enabled */
1605                 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1606                     !adapter->eeprom_wol) {
1607                         wol->supported = 0;
1608                         break;
1609                 }
1610
1611                 retval = 0;
1612         }
1613
1614         return retval;
1615 }
1616
1617 static void e1000_get_wol(struct net_device *netdev,
1618                           struct ethtool_wolinfo *wol)
1619 {
1620         struct e1000_adapter *adapter = netdev_priv(netdev);
1621         struct e1000_hw *hw = &adapter->hw;
1622
1623         wol->supported = WAKE_UCAST | WAKE_MCAST |
1624                          WAKE_BCAST | WAKE_MAGIC;
1625         wol->wolopts = 0;
1626
1627         /* this function will set ->supported = 0 and return 1 if wol is not
1628          * supported by this hardware */
1629         if (e1000_wol_exclusion(adapter, wol) ||
1630             !device_can_wakeup(&adapter->pdev->dev))
1631                 return;
1632
1633         /* apply any specific unsupported masks here */
1634         switch (hw->device_id) {
1635         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1636                 /* KSP3 does not suppport UCAST wake-ups */
1637                 wol->supported &= ~WAKE_UCAST;
1638
1639                 if (adapter->wol & E1000_WUFC_EX)
1640                         e_err(drv, "Interface does not support directed "
1641                               "(unicast) frame wake-up packets\n");
1642                 break;
1643         default:
1644                 break;
1645         }
1646
1647         if (adapter->wol & E1000_WUFC_EX)
1648                 wol->wolopts |= WAKE_UCAST;
1649         if (adapter->wol & E1000_WUFC_MC)
1650                 wol->wolopts |= WAKE_MCAST;
1651         if (adapter->wol & E1000_WUFC_BC)
1652                 wol->wolopts |= WAKE_BCAST;
1653         if (adapter->wol & E1000_WUFC_MAG)
1654                 wol->wolopts |= WAKE_MAGIC;
1655 }
1656
1657 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1658 {
1659         struct e1000_adapter *adapter = netdev_priv(netdev);
1660         struct e1000_hw *hw = &adapter->hw;
1661
1662         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1663                 return -EOPNOTSUPP;
1664
1665         if (e1000_wol_exclusion(adapter, wol) ||
1666             !device_can_wakeup(&adapter->pdev->dev))
1667                 return wol->wolopts ? -EOPNOTSUPP : 0;
1668
1669         switch (hw->device_id) {
1670         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1671                 if (wol->wolopts & WAKE_UCAST) {
1672                         e_err(drv, "Interface does not support directed "
1673                               "(unicast) frame wake-up packets\n");
1674                         return -EOPNOTSUPP;
1675                 }
1676                 break;
1677         default:
1678                 break;
1679         }
1680
1681         /* these settings will always override what we currently have */
1682         adapter->wol = 0;
1683
1684         if (wol->wolopts & WAKE_UCAST)
1685                 adapter->wol |= E1000_WUFC_EX;
1686         if (wol->wolopts & WAKE_MCAST)
1687                 adapter->wol |= E1000_WUFC_MC;
1688         if (wol->wolopts & WAKE_BCAST)
1689                 adapter->wol |= E1000_WUFC_BC;
1690         if (wol->wolopts & WAKE_MAGIC)
1691                 adapter->wol |= E1000_WUFC_MAG;
1692
1693         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1694
1695         return 0;
1696 }
1697
1698 static int e1000_set_phys_id(struct net_device *netdev,
1699                              enum ethtool_phys_id_state state)
1700 {
1701         struct e1000_adapter *adapter = netdev_priv(netdev);
1702         struct e1000_hw *hw = &adapter->hw;
1703
1704         switch (state) {
1705         case ETHTOOL_ID_ACTIVE:
1706                 e1000_setup_led(hw);
1707                 return 2;
1708
1709         case ETHTOOL_ID_ON:
1710                 e1000_led_on(hw);
1711                 break;
1712
1713         case ETHTOOL_ID_OFF:
1714                 e1000_led_off(hw);
1715                 break;
1716
1717         case ETHTOOL_ID_INACTIVE:
1718                 e1000_cleanup_led(hw);
1719         }
1720
1721         return 0;
1722 }
1723
1724 static int e1000_get_coalesce(struct net_device *netdev,
1725                               struct ethtool_coalesce *ec)
1726 {
1727         struct e1000_adapter *adapter = netdev_priv(netdev);
1728
1729         if (adapter->hw.mac_type < e1000_82545)
1730                 return -EOPNOTSUPP;
1731
1732         if (adapter->itr_setting <= 4)
1733                 ec->rx_coalesce_usecs = adapter->itr_setting;
1734         else
1735                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1736
1737         return 0;
1738 }
1739
1740 static int e1000_set_coalesce(struct net_device *netdev,
1741                               struct ethtool_coalesce *ec)
1742 {
1743         struct e1000_adapter *adapter = netdev_priv(netdev);
1744         struct e1000_hw *hw = &adapter->hw;
1745
1746         if (hw->mac_type < e1000_82545)
1747                 return -EOPNOTSUPP;
1748
1749         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1750             ((ec->rx_coalesce_usecs > 4) &&
1751              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1752             (ec->rx_coalesce_usecs == 2))
1753                 return -EINVAL;
1754
1755         if (ec->rx_coalesce_usecs == 4) {
1756                 adapter->itr = adapter->itr_setting = 4;
1757         } else if (ec->rx_coalesce_usecs <= 3) {
1758                 adapter->itr = 20000;
1759                 adapter->itr_setting = ec->rx_coalesce_usecs;
1760         } else {
1761                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1762                 adapter->itr_setting = adapter->itr & ~3;
1763         }
1764
1765         if (adapter->itr_setting != 0)
1766                 ew32(ITR, 1000000000 / (adapter->itr * 256));
1767         else
1768                 ew32(ITR, 0);
1769
1770         return 0;
1771 }
1772
1773 static int e1000_nway_reset(struct net_device *netdev)
1774 {
1775         struct e1000_adapter *adapter = netdev_priv(netdev);
1776         if (netif_running(netdev))
1777                 e1000_reinit_locked(adapter);
1778         return 0;
1779 }
1780
1781 static void e1000_get_ethtool_stats(struct net_device *netdev,
1782                                     struct ethtool_stats *stats, u64 *data)
1783 {
1784         struct e1000_adapter *adapter = netdev_priv(netdev);
1785         int i;
1786         char *p = NULL;
1787
1788         e1000_update_stats(adapter);
1789         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1790                 switch (e1000_gstrings_stats[i].type) {
1791                 case NETDEV_STATS:
1792                         p = (char *) netdev +
1793                                         e1000_gstrings_stats[i].stat_offset;
1794                         break;
1795                 case E1000_STATS:
1796                         p = (char *) adapter +
1797                                         e1000_gstrings_stats[i].stat_offset;
1798                         break;
1799                 }
1800
1801                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1802                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1803         }
1804 /*      BUG_ON(i != E1000_STATS_LEN); */
1805 }
1806
1807 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1808                               u8 *data)
1809 {
1810         u8 *p = data;
1811         int i;
1812
1813         switch (stringset) {
1814         case ETH_SS_TEST:
1815                 memcpy(data, *e1000_gstrings_test,
1816                         sizeof(e1000_gstrings_test));
1817                 break;
1818         case ETH_SS_STATS:
1819                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1820                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1821                                ETH_GSTRING_LEN);
1822                         p += ETH_GSTRING_LEN;
1823                 }
1824 /*              BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1825                 break;
1826         }
1827 }
1828
1829 static const struct ethtool_ops e1000_ethtool_ops = {
1830         .get_settings           = e1000_get_settings,
1831         .set_settings           = e1000_set_settings,
1832         .get_drvinfo            = e1000_get_drvinfo,
1833         .get_regs_len           = e1000_get_regs_len,
1834         .get_regs               = e1000_get_regs,
1835         .get_wol                = e1000_get_wol,
1836         .set_wol                = e1000_set_wol,
1837         .get_msglevel           = e1000_get_msglevel,
1838         .set_msglevel           = e1000_set_msglevel,
1839         .nway_reset             = e1000_nway_reset,
1840         .get_link               = e1000_get_link,
1841         .get_eeprom_len         = e1000_get_eeprom_len,
1842         .get_eeprom             = e1000_get_eeprom,
1843         .set_eeprom             = e1000_set_eeprom,
1844         .get_ringparam          = e1000_get_ringparam,
1845         .set_ringparam          = e1000_set_ringparam,
1846         .get_pauseparam         = e1000_get_pauseparam,
1847         .set_pauseparam         = e1000_set_pauseparam,
1848         .self_test              = e1000_diag_test,
1849         .get_strings            = e1000_get_strings,
1850         .set_phys_id            = e1000_set_phys_id,
1851         .get_ethtool_stats      = e1000_get_ethtool_stats,
1852         .get_sset_count         = e1000_get_sset_count,
1853         .get_coalesce           = e1000_get_coalesce,
1854         .set_coalesce           = e1000_set_coalesce,
1855 };
1856
1857 void e1000_set_ethtool_ops(struct net_device *netdev)
1858 {
1859         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1860 }