drivers/net/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_rx_csum(struct net_device *netdev)
 294 {
 295         struct e1000_adapter *adapter = netdev_priv(netdev);
 296         return adapter->rx_csum;
 297 }
 298
 299 static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
 300 {
 301         struct e1000_adapter *adapter = netdev_priv(netdev);
 302         adapter->rx_csum = data;
 303
 304         if (netif_running(netdev))
 305                 e1000_reinit_locked(adapter);
 306         else
 307                 e1000_reset(adapter);
 308         return 0;
 309 }
 310
 311 static u32 e1000_get_tx_csum(struct net_device *netdev)
 312 {
 313         return (netdev->features & NETIF_F_HW_CSUM) != 0;
 314 }
 315
 316 static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
 317 {
 318         struct e1000_adapter *adapter = netdev_priv(netdev);
 319         struct e1000_hw *hw = &adapter->hw;
 320
 321         if (hw->mac_type < e1000_82543) {
 322                 if (!data)
 323                         return -EINVAL;
 324                 return 0;
 325         }
 326
 327         if (data)
 328                 netdev->features |= NETIF_F_HW_CSUM;
 329         else
 330                 netdev->features &= ~NETIF_F_HW_CSUM;
 331
 332         return 0;
 333 }
 334
 335 static int e1000_set_tso(struct net_device *netdev, u32 data)
 336 {
 337         struct e1000_adapter *adapter = netdev_priv(netdev);
 338         struct e1000_hw *hw = &adapter->hw;
 339
 340         if ((hw->mac_type < e1000_82544) ||
 341             (hw->mac_type == e1000_82547))
 342                 return data ? -EINVAL : 0;
 343
 344         if (data)
 345                 netdev->features |= NETIF_F_TSO;
 346         else
 347                 netdev->features &= ~NETIF_F_TSO;
 348
 349         netdev->features &= ~NETIF_F_TSO6;
 350
 351         e_info(probe, "TSO is %s\n", data ? "Enabled" : "Disabled");
 352         adapter->tso_force = true;
 353         return 0;
 354 }
 355
 356 static u32 e1000_get_msglevel(struct net_device *netdev)
 357 {
 358         struct e1000_adapter *adapter = netdev_priv(netdev);
 359         return adapter->msg_enable;
 360 }
 361
 362 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 363 {
 364         struct e1000_adapter *adapter = netdev_priv(netdev);
 365         adapter->msg_enable = data;
 366 }
 367
 368 static int e1000_get_regs_len(struct net_device *netdev)
 369 {
 370 #define E1000_REGS_LEN 32
 371         return E1000_REGS_LEN * sizeof(u32);
 372 }
 373
 374 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
 375                            void *p)
 376 {
 377         struct e1000_adapter *adapter = netdev_priv(netdev);
 378         struct e1000_hw *hw = &adapter->hw;
 379         u32 *regs_buff = p;
 380         u16 phy_data;
 381
 382         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 383
 384         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 385
 386         regs_buff[0]  = er32(CTRL);
 387         regs_buff[1]  = er32(STATUS);
 388
 389         regs_buff[2]  = er32(RCTL);
 390         regs_buff[3]  = er32(RDLEN);
 391         regs_buff[4]  = er32(RDH);
 392         regs_buff[5]  = er32(RDT);
 393         regs_buff[6]  = er32(RDTR);
 394
 395         regs_buff[7]  = er32(TCTL);
 396         regs_buff[8]  = er32(TDLEN);
 397         regs_buff[9]  = er32(TDH);
 398         regs_buff[10] = er32(TDT);
 399         regs_buff[11] = er32(TIDV);
 400
 401         regs_buff[12] = hw->phy_type;  /* PHY type (IGP=1, M88=0) */
 402         if (hw->phy_type == e1000_phy_igp) {
 403                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 404                                     IGP01E1000_PHY_AGC_A);
 405                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
 406                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 407                 regs_buff[13] = (u32)phy_data; /* cable length */
 408                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 409                                     IGP01E1000_PHY_AGC_B);
 410                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
 411                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 412                 regs_buff[14] = (u32)phy_data; /* cable length */
 413                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 414                                     IGP01E1000_PHY_AGC_C);
 415                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
 416                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 417                 regs_buff[15] = (u32)phy_data; /* cable length */
 418                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 419                                     IGP01E1000_PHY_AGC_D);
 420                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
 421                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 422                 regs_buff[16] = (u32)phy_data; /* cable length */
 423                 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
 424                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 425                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
 426                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 427                 regs_buff[18] = (u32)phy_data; /* cable polarity */
 428                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 429                                     IGP01E1000_PHY_PCS_INIT_REG);
 430                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
 431                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 432                 regs_buff[19] = (u32)phy_data; /* cable polarity */
 433                 regs_buff[20] = 0; /* polarity correction enabled (always) */
 434                 regs_buff[22] = 0; /* phy receive errors (unavailable) */
 435                 regs_buff[23] = regs_buff[18]; /* mdix mode */
 436                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 437         } else {
 438                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 439                 regs_buff[13] = (u32)phy_data; /* cable length */
 440                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 441                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 442                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 443                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 444                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 445                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 446                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 447                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 448                 /* phy receive errors */
 449                 regs_buff[22] = adapter->phy_stats.receive_errors;
 450                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 451         }
 452         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 453         e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
 454         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 455         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 456         if (hw->mac_type >= e1000_82540 &&
 457             hw->media_type == e1000_media_type_copper) {
 458                 regs_buff[26] = er32(MANC);
 459         }
 460 }
 461
 462 static int e1000_get_eeprom_len(struct net_device *netdev)
 463 {
 464         struct e1000_adapter *adapter = netdev_priv(netdev);
 465         struct e1000_hw *hw = &adapter->hw;
 466
 467         return hw->eeprom.word_size * 2;
 468 }
 469
 470 static int e1000_get_eeprom(struct net_device *netdev,
 471                             struct ethtool_eeprom *eeprom, u8 *bytes)
 472 {
 473         struct e1000_adapter *adapter = netdev_priv(netdev);
 474         struct e1000_hw *hw = &adapter->hw;
 475         u16 *eeprom_buff;
 476         int first_word, last_word;
 477         int ret_val = 0;
 478         u16 i;
 479
 480         if (eeprom->len == 0)
 481                 return -EINVAL;
 482
 483         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 484
 485         first_word = eeprom->offset >> 1;
 486         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 487
 488         eeprom_buff = kmalloc(sizeof(u16) *
 489                         (last_word - first_word + 1), GFP_KERNEL);
 490         if (!eeprom_buff)
 491                 return -ENOMEM;
 492
 493         if (hw->eeprom.type == e1000_eeprom_spi)
 494                 ret_val = e1000_read_eeprom(hw, first_word,
 495                                             last_word - first_word + 1,
 496                                             eeprom_buff);
 497         else {
 498                 for (i = 0; i < last_word - first_word + 1; i++) {
 499                         ret_val = e1000_read_eeprom(hw, first_word + i, 1,
 500                                                     &eeprom_buff[i]);
 501                         if (ret_val)
 502                                 break;
 503                 }
 504         }
 505
 506         /* Device's eeprom is always little-endian, word addressable */
 507         for (i = 0; i < last_word - first_word + 1; i++)
 508                 le16_to_cpus(&eeprom_buff[i]);
 509
 510         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
 511                         eeprom->len);
 512         kfree(eeprom_buff);
 513
 514         return ret_val;
 515 }
 516
 517 static int e1000_set_eeprom(struct net_device *netdev,
 518                             struct ethtool_eeprom *eeprom, u8 *bytes)
 519 {
 520         struct e1000_adapter *adapter = netdev_priv(netdev);
 521         struct e1000_hw *hw = &adapter->hw;
 522         u16 *eeprom_buff;
 523         void *ptr;
 524         int max_len, first_word, last_word, ret_val = 0;
 525         u16 i;
 526
 527         if (eeprom->len == 0)
 528                 return -EOPNOTSUPP;
 529
 530         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 531                 return -EFAULT;
 532
 533         max_len = hw->eeprom.word_size * 2;
 534
 535         first_word = eeprom->offset >> 1;
 536         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 537         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 538         if (!eeprom_buff)
 539                 return -ENOMEM;
 540
 541         ptr = (void *)eeprom_buff;
 542
 543         if (eeprom->offset & 1) {
 544                 /* need read/modify/write of first changed EEPROM word */
 545                 /* only the second byte of the word is being modified */
 546                 ret_val = e1000_read_eeprom(hw, first_word, 1,
 547                                             &eeprom_buff[0]);
 548                 ptr++;
 549         }
 550         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 551                 /* need read/modify/write of last changed EEPROM word */
 552                 /* only the first byte of the word is being modified */
 553                 ret_val = e1000_read_eeprom(hw, last_word, 1,
 554                                   &eeprom_buff[last_word - first_word]);
 555         }
 556
 557         /* Device's eeprom is always little-endian, word addressable */
 558         for (i = 0; i < last_word - first_word + 1; i++)
 559                 le16_to_cpus(&eeprom_buff[i]);
 560
 561         memcpy(ptr, bytes, eeprom->len);
 562
 563         for (i = 0; i < last_word - first_word + 1; i++)
 564                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 565
 566         ret_val = e1000_write_eeprom(hw, first_word,
 567                                      last_word - first_word + 1, eeprom_buff);
 568
 569         /* Update the checksum over the first part of the EEPROM if needed */
 570         if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
 571                 e1000_update_eeprom_checksum(hw);
 572
 573         kfree(eeprom_buff);
 574         return ret_val;
 575 }
 576
 577 static void e1000_get_drvinfo(struct net_device *netdev,
 578                               struct ethtool_drvinfo *drvinfo)
 579 {
 580         struct e1000_adapter *adapter = netdev_priv(netdev);
 581         char firmware_version[32];
 582
 583         strncpy(drvinfo->driver,  e1000_driver_name, 32);
 584         strncpy(drvinfo->version, e1000_driver_version, 32);
 585
 586         sprintf(firmware_version, "N/A");
 587         strncpy(drvinfo->fw_version, firmware_version, 32);
 588         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 589         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 590         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 591 }
 592
 593 static void e1000_get_ringparam(struct net_device *netdev,
 594                                 struct ethtool_ringparam *ring)
 595 {
 596         struct e1000_adapter *adapter = netdev_priv(netdev);
 597         struct e1000_hw *hw = &adapter->hw;
 598         e1000_mac_type mac_type = hw->mac_type;
 599         struct e1000_tx_ring *txdr = adapter->tx_ring;
 600         struct e1000_rx_ring *rxdr = adapter->rx_ring;
 601
 602         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 603                 E1000_MAX_82544_RXD;
 604         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 605                 E1000_MAX_82544_TXD;
 606         ring->rx_mini_max_pending = 0;
 607         ring->rx_jumbo_max_pending = 0;
 608         ring->rx_pending = rxdr->count;
 609         ring->tx_pending = txdr->count;
 610         ring->rx_mini_pending = 0;
 611         ring->rx_jumbo_pending = 0;
 612 }
 613
 614 static int e1000_set_ringparam(struct net_device *netdev,
 615                                struct ethtool_ringparam *ring)
 616 {
 617         struct e1000_adapter *adapter = netdev_priv(netdev);
 618         struct e1000_hw *hw = &adapter->hw;
 619         e1000_mac_type mac_type = hw->mac_type;
 620         struct e1000_tx_ring *txdr, *tx_old;
 621         struct e1000_rx_ring *rxdr, *rx_old;
 622         int i, err;
 623
 624         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 625                 return -EINVAL;
 626
 627         while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 628                 msleep(1);
 629
 630         if (netif_running(adapter->netdev))
 631                 e1000_down(adapter);
 632
 633         tx_old = adapter->tx_ring;
 634         rx_old = adapter->rx_ring;
 635
 636         err = -ENOMEM;
 637         txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), GFP_KERNEL);
 638         if (!txdr)
 639                 goto err_alloc_tx;
 640
 641         rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring), GFP_KERNEL);
 642         if (!rxdr)
 643                 goto err_alloc_rx;
 644
 645         adapter->tx_ring = txdr;
 646         adapter->rx_ring = rxdr;
 647
 648         rxdr->count = max(ring->rx_pending,(u32)E1000_MIN_RXD);
 649         rxdr->count = min(rxdr->count,(u32)(mac_type < e1000_82544 ?
 650                 E1000_MAX_RXD : E1000_MAX_82544_RXD));
 651         rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 652
 653         txdr->count = max(ring->tx_pending,(u32)E1000_MIN_TXD);
 654         txdr->count = min(txdr->count,(u32)(mac_type < e1000_82544 ?
 655                 E1000_MAX_TXD : E1000_MAX_82544_TXD));
 656         txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 657
 658         for (i = 0; i < adapter->num_tx_queues; i++)
 659                 txdr[i].count = txdr->count;
 660         for (i = 0; i < adapter->num_rx_queues; i++)
 661                 rxdr[i].count = rxdr->count;
 662
 663         if (netif_running(adapter->netdev)) {
 664                 /* Try to get new resources before deleting old */
 665                 err = e1000_setup_all_rx_resources(adapter);
 666                 if (err)
 667                         goto err_setup_rx;
 668                 err = e1000_setup_all_tx_resources(adapter);
 669                 if (err)
 670                         goto err_setup_tx;
 671
 672                 /* save the new, restore the old in order to free it,
 673                  * then restore the new back again */
 674
 675                 adapter->rx_ring = rx_old;
 676                 adapter->tx_ring = tx_old;
 677                 e1000_free_all_rx_resources(adapter);
 678                 e1000_free_all_tx_resources(adapter);
 679                 kfree(tx_old);
 680                 kfree(rx_old);
 681                 adapter->rx_ring = rxdr;
 682                 adapter->tx_ring = txdr;
 683                 err = e1000_up(adapter);
 684                 if (err)
 685                         goto err_setup;
 686         }
 687
 688         clear_bit(__E1000_RESETTING, &adapter->flags);
 689         return 0;
 690 err_setup_tx:
 691         e1000_free_all_rx_resources(adapter);
 692 err_setup_rx:
 693         adapter->rx_ring = rx_old;
 694         adapter->tx_ring = tx_old;
 695         kfree(rxdr);
 696 err_alloc_rx:
 697         kfree(txdr);
 698 err_alloc_tx:
 699         e1000_up(adapter);
 700 err_setup:
 701         clear_bit(__E1000_RESETTING, &adapter->flags);
 702         return err;
 703 }
 704
 705 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
 706                              u32 mask, u32 write)
 707 {
 708         struct e1000_hw *hw = &adapter->hw;
 709         static const u32 test[] =
 710                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
 711         u8 __iomem *address = hw->hw_addr + reg;
 712         u32 read;
 713         int i;
 714
 715         for (i = 0; i < ARRAY_SIZE(test); i++) {
 716                 writel(write & test[i], address);
 717                 read = readl(address);
 718                 if (read != (write & test[i] & mask)) {
 719                         e_err(drv, "pattern test reg %04X failed: "
 720                               "got 0x%08X expected 0x%08X\n",
 721                               reg, read, (write & test[i] & mask));
 722                         *data = reg;
 723                         return true;
 724                 }
 725         }
 726         return false;
 727 }
 728
 729 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
 730                               u32 mask, u32 write)
 731 {
 732         struct e1000_hw *hw = &adapter->hw;
 733         u8 __iomem *address = hw->hw_addr + reg;
 734         u32 read;
 735
 736         writel(write & mask, address);
 737         read = readl(address);
 738         if ((read & mask) != (write & mask)) {
 739                 e_err(drv, "set/check reg %04X test failed: "
 740                       "got 0x%08X expected 0x%08X\n",
 741                       reg, (read & mask), (write & mask));
 742                 *data = reg;
 743                 return true;
 744         }
 745         return false;
 746 }
 747
 748 #define REG_PATTERN_TEST(reg, mask, write)                           \
 749         do {                                                         \
 750                 if (reg_pattern_test(adapter, data,                  \
 751                              (hw->mac_type >= e1000_82543)   \
 752                              ? E1000_##reg : E1000_82542_##reg,      \
 753                              mask, write))                           \
 754                         return 1;                                    \
 755         } while (0)
 756
 757 #define REG_SET_AND_CHECK(reg, mask, write)                          \
 758         do {                                                         \
 759                 if (reg_set_and_check(adapter, data,                 \
 760                               (hw->mac_type >= e1000_82543)  \
 761                               ? E1000_##reg : E1000_82542_##reg,     \
 762                               mask, write))                          \
 763                         return 1;                                    \
 764         } while (0)
 765
 766 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 767 {
 768         u32 value, before, after;
 769         u32 i, toggle;
 770         struct e1000_hw *hw = &adapter->hw;
 771
 772         /* The status register is Read Only, so a write should fail.
 773          * Some bits that get toggled are ignored.
 774          */
 775
 776         /* there are several bits on newer hardware that are r/w */
 777         toggle = 0xFFFFF833;
 778
 779         before = er32(STATUS);
 780         value = (er32(STATUS) & toggle);
 781         ew32(STATUS, toggle);
 782         after = er32(STATUS) & toggle;
 783         if (value != after) {
 784                 e_err(drv, "failed STATUS register test got: "
 785                       "0x%08X expected: 0x%08X\n", after, value);
 786                 *data = 1;
 787                 return 1;
 788         }
 789         /* restore previous status */
 790         ew32(STATUS, before);
 791
 792         REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 793         REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 794         REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 795         REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 796
 797         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 798         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 799         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 800         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 801         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 802         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 803         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 804         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 805         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 806         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 807
 808         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 809
 810         before = 0x06DFB3FE;
 811         REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
 812         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 813
 814         if (hw->mac_type >= e1000_82543) {
 815
 816                 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
 817                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 818                 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 819                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 820                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 821                 value = E1000_RAR_ENTRIES;
 822                 for (i = 0; i < value; i++) {
 823                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 824                                          0xFFFFFFFF);
 825                 }
 826
 827         } else {
 828
 829                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 830                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 831                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 832                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 833
 834         }
 835
 836         value = E1000_MC_TBL_SIZE;
 837         for (i = 0; i < value; i++)
 838                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 839
 840         *data = 0;
 841         return 0;
 842 }
 843
 844 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 845 {
 846         struct e1000_hw *hw = &adapter->hw;
 847         u16 temp;
 848         u16 checksum = 0;
 849         u16 i;
 850
 851         *data = 0;
 852         /* Read and add up the contents of the EEPROM */
 853         for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 854                 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
 855                         *data = 1;
 856                         break;
 857                 }
 858                 checksum += temp;
 859         }
 860
 861         /* If Checksum is not Correct return error else test passed */
 862         if ((checksum != (u16)EEPROM_SUM) && !(*data))
 863                 *data = 2;
 864
 865         return *data;
 866 }
 867
 868 static irqreturn_t e1000_test_intr(int irq, void *data)
 869 {
 870         struct net_device *netdev = (struct net_device *)data;
 871         struct e1000_adapter *adapter = netdev_priv(netdev);
 872         struct e1000_hw *hw = &adapter->hw;
 873
 874         adapter->test_icr |= er32(ICR);
 875
 876         return IRQ_HANDLED;
 877 }
 878
 879 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 880 {
 881         struct net_device *netdev = adapter->netdev;
 882         u32 mask, i = 0;
 883         bool shared_int = true;
 884         u32 irq = adapter->pdev->irq;
 885         struct e1000_hw *hw = &adapter->hw;
 886
 887         *data = 0;
 888
 889         /* NOTE: we don't test MSI interrupts here, yet */
 890         /* Hook up test interrupt handler just for this test */
 891         if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 892                          netdev))
 893                 shared_int = false;
 894         else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
 895                  netdev->name, netdev)) {
 896                 *data = 1;
 897                 return -1;
 898         }
 899         e_info(hw, "testing %s interrupt\n", (shared_int ?
 900                "shared" : "unshared"));
 901
 902         /* Disable all the interrupts */
 903         ew32(IMC, 0xFFFFFFFF);
 904         msleep(10);
 905
 906         /* Test each interrupt */
 907         for (; i < 10; i++) {
 908
 909                 /* Interrupt to test */
 910                 mask = 1 << i;
 911
 912                 if (!shared_int) {
 913                         /* Disable the interrupt to be reported in
 914                          * the cause register and then force the same
 915                          * interrupt and see if one gets posted.  If
 916                          * an interrupt was posted to the bus, the
 917                          * test failed.
 918                          */
 919                         adapter->test_icr = 0;
 920                         ew32(IMC, mask);
 921                         ew32(ICS, mask);
 922                         msleep(10);
 923
 924                         if (adapter->test_icr & mask) {
 925                                 *data = 3;
 926                                 break;
 927                         }
 928                 }
 929
 930                 /* Enable the interrupt to be reported in
 931                  * the cause register and then force the same
 932                  * interrupt and see if one gets posted.  If
 933                  * an interrupt was not posted to the bus, the
 934                  * test failed.
 935                  */
 936                 adapter->test_icr = 0;
 937                 ew32(IMS, mask);
 938                 ew32(ICS, mask);
 939                 msleep(10);
 940
 941                 if (!(adapter->test_icr & mask)) {
 942                         *data = 4;
 943                         break;
 944                 }
 945
 946                 if (!shared_int) {
 947                         /* Disable the other interrupts to be reported in
 948                          * the cause register and then force the other
 949                          * interrupts and see if any get posted.  If
 950                          * an interrupt was posted to the bus, the
 951                          * test failed.
 952                          */
 953                         adapter->test_icr = 0;
 954                         ew32(IMC, ~mask & 0x00007FFF);
 955                         ew32(ICS, ~mask & 0x00007FFF);
 956                         msleep(10);
 957
 958                         if (adapter->test_icr) {
 959                                 *data = 5;
 960                                 break;
 961                         }
 962                 }
 963         }
 964
 965         /* Disable all the interrupts */
 966         ew32(IMC, 0xFFFFFFFF);
 967         msleep(10);
 968
 969         /* Unhook test interrupt handler */
 970         free_irq(irq, netdev);
 971
 972         return *data;
 973 }
 974
 975 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
 976 {
 977         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 978         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 979         struct pci_dev *pdev = adapter->pdev;
 980         int i;
 981
 982         if (txdr->desc && txdr->buffer_info) {
 983                 for (i = 0; i < txdr->count; i++) {
 984                         if (txdr->buffer_info[i].dma)
 985                                 dma_unmap_single(&pdev->dev,
 986                                                  txdr->buffer_info[i].dma,
 987                                                  txdr->buffer_info[i].length,
 988                                                  DMA_TO_DEVICE);
 989                         if (txdr->buffer_info[i].skb)
 990                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 991                 }
 992         }
 993
 994         if (rxdr->desc && rxdr->buffer_info) {
 995                 for (i = 0; i < rxdr->count; i++) {
 996                         if (rxdr->buffer_info[i].dma)
 997                                 dma_unmap_single(&pdev->dev,
 998                                                  rxdr->buffer_info[i].dma,
 999                                                  rxdr->buffer_info[i].length,
1000                                                  DMA_FROM_DEVICE);
1001                         if (rxdr->buffer_info[i].skb)
1002                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
1003                 }
1004         }
1005
1006         if (txdr->desc) {
1007                 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
1008                                   txdr->dma);
1009                 txdr->desc = NULL;
1010         }
1011         if (rxdr->desc) {
1012                 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
1013                                   rxdr->dma);
1014                 rxdr->desc = NULL;
1015         }
1016
1017         kfree(txdr->buffer_info);
1018         txdr->buffer_info = NULL;
1019         kfree(rxdr->buffer_info);
1020         rxdr->buffer_info = NULL;
1021 }
1022
1023 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1024 {
1025         struct e1000_hw *hw = &adapter->hw;
1026         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1027         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1028         struct pci_dev *pdev = adapter->pdev;
1029         u32 rctl;
1030         int i, ret_val;
1031
1032         /* Setup Tx descriptor ring and Tx buffers */
1033
1034         if (!txdr->count)
1035                 txdr->count = E1000_DEFAULT_TXD;
1036
1037         txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer),
1038                                     GFP_KERNEL);
1039         if (!txdr->buffer_info) {
1040                 ret_val = 1;
1041                 goto err_nomem;
1042         }
1043
1044         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1045         txdr->size = ALIGN(txdr->size, 4096);
1046         txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
1047                                         GFP_KERNEL);
1048         if (!txdr->desc) {
1049                 ret_val = 2;
1050                 goto err_nomem;
1051         }
1052         memset(txdr->desc, 0, txdr->size);
1053         txdr->next_to_use = txdr->next_to_clean = 0;
1054
1055         ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1056         ew32(TDBAH, ((u64)txdr->dma >> 32));
1057         ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1058         ew32(TDH, 0);
1059         ew32(TDT, 0);
1060         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1061              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1062              E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1063
1064         for (i = 0; i < txdr->count; i++) {
1065                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1066                 struct sk_buff *skb;
1067                 unsigned int size = 1024;
1068
1069                 skb = alloc_skb(size, GFP_KERNEL);
1070                 if (!skb) {
1071                         ret_val = 3;
1072                         goto err_nomem;
1073                 }
1074                 skb_put(skb, size);
1075                 txdr->buffer_info[i].skb = skb;
1076                 txdr->buffer_info[i].length = skb->len;
1077                 txdr->buffer_info[i].dma =
1078                         dma_map_single(&pdev->dev, skb->data, skb->len,
1079                                        DMA_TO_DEVICE);
1080                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1081                 tx_desc->lower.data = cpu_to_le32(skb->len);
1082                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1083                                                    E1000_TXD_CMD_IFCS |
1084                                                    E1000_TXD_CMD_RPS);
1085                 tx_desc->upper.data = 0;
1086         }
1087
1088         /* Setup Rx descriptor ring and Rx buffers */
1089
1090         if (!rxdr->count)
1091                 rxdr->count = E1000_DEFAULT_RXD;
1092
1093         rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
1094                                     GFP_KERNEL);
1095         if (!rxdr->buffer_info) {
1096                 ret_val = 4;
1097                 goto err_nomem;
1098         }
1099
1100         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1101         rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1102                                         GFP_KERNEL);
1103         if (!rxdr->desc) {
1104                 ret_val = 5;
1105                 goto err_nomem;
1106         }
1107         memset(rxdr->desc, 0, rxdr->size);
1108         rxdr->next_to_use = rxdr->next_to_clean = 0;
1109
1110         rctl = er32(RCTL);
1111         ew32(RCTL, rctl & ~E1000_RCTL_EN);
1112         ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1113         ew32(RDBAH, ((u64)rxdr->dma >> 32));
1114         ew32(RDLEN, rxdr->size);
1115         ew32(RDH, 0);
1116         ew32(RDT, 0);
1117         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1118                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1119                 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1120         ew32(RCTL, rctl);
1121
1122         for (i = 0; i < rxdr->count; i++) {
1123                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1124                 struct sk_buff *skb;
1125
1126                 skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1127                 if (!skb) {
1128                         ret_val = 6;
1129                         goto err_nomem;
1130                 }
1131                 skb_reserve(skb, NET_IP_ALIGN);
1132                 rxdr->buffer_info[i].skb = skb;
1133                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1134                 rxdr->buffer_info[i].dma =
1135                         dma_map_single(&pdev->dev, skb->data,
1136                                        E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1137                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1138                 memset(skb->data, 0x00, skb->len);
1139         }
1140
1141         return 0;
1142
1143 err_nomem:
1144         e1000_free_desc_rings(adapter);
1145         return ret_val;
1146 }
1147
1148 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1149 {
1150         struct e1000_hw *hw = &adapter->hw;
1151
1152         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1153         e1000_write_phy_reg(hw, 29, 0x001F);
1154         e1000_write_phy_reg(hw, 30, 0x8FFC);
1155         e1000_write_phy_reg(hw, 29, 0x001A);
1156         e1000_write_phy_reg(hw, 30, 0x8FF0);
1157 }
1158
1159 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1160 {
1161         struct e1000_hw *hw = &adapter->hw;
1162         u16 phy_reg;
1163
1164         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1165          * Extended PHY Specific Control Register to 25MHz clock.  This
1166          * value defaults back to a 2.5MHz clock when the PHY is reset.
1167          */
1168         e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1169         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1170         e1000_write_phy_reg(hw,
1171                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1172
1173         /* In addition, because of the s/w reset above, we need to enable
1174          * CRS on TX.  This must be set for both full and half duplex
1175          * operation.
1176          */
1177         e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1178         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1179         e1000_write_phy_reg(hw,
1180                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1181 }
1182
1183 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1184 {
1185         struct e1000_hw *hw = &adapter->hw;
1186         u32 ctrl_reg;
1187         u16 phy_reg;
1188
1189         /* Setup the Device Control Register for PHY loopback test. */
1190
1191         ctrl_reg = er32(CTRL);
1192         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1193                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1194                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1195                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1196                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1197
1198         ew32(CTRL, ctrl_reg);
1199
1200         /* Read the PHY Specific Control Register (0x10) */
1201         e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1202
1203         /* Clear Auto-Crossover bits in PHY Specific Control Register
1204          * (bits 6:5).
1205          */
1206         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1207         e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1208
1209         /* Perform software reset on the PHY */
1210         e1000_phy_reset(hw);
1211
1212         /* Have to setup TX_CLK and TX_CRS after software reset */
1213         e1000_phy_reset_clk_and_crs(adapter);
1214
1215         e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1216
1217         /* Wait for reset to complete. */
1218         udelay(500);
1219
1220         /* Have to setup TX_CLK and TX_CRS after software reset */
1221         e1000_phy_reset_clk_and_crs(adapter);
1222
1223         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1224         e1000_phy_disable_receiver(adapter);
1225
1226         /* Set the loopback bit in the PHY control register. */
1227         e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1228         phy_reg |= MII_CR_LOOPBACK;
1229         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1230
1231         /* Setup TX_CLK and TX_CRS one more time. */
1232         e1000_phy_reset_clk_and_crs(adapter);
1233
1234         /* Check Phy Configuration */
1235         e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1236         if (phy_reg != 0x4100)
1237                  return 9;
1238
1239         e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1240         if (phy_reg != 0x0070)
1241                 return 10;
1242
1243         e1000_read_phy_reg(hw, 29, &phy_reg);
1244         if (phy_reg != 0x001A)
1245                 return 11;
1246
1247         return 0;
1248 }
1249
1250 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1251 {
1252         struct e1000_hw *hw = &adapter->hw;
1253         u32 ctrl_reg = 0;
1254         u32 stat_reg = 0;
1255
1256         hw->autoneg = false;
1257
1258         if (hw->phy_type == e1000_phy_m88) {
1259                 /* Auto-MDI/MDIX Off */
1260                 e1000_write_phy_reg(hw,
1261                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1262                 /* reset to update Auto-MDI/MDIX */
1263                 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1264                 /* autoneg off */
1265                 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1266         }
1267
1268         ctrl_reg = er32(CTRL);
1269
1270         /* force 1000, set loopback */
1271         e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1272
1273         /* Now set up the MAC to the same speed/duplex as the PHY. */
1274         ctrl_reg = er32(CTRL);
1275         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1276         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1277                         E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1278                         E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1279                         E1000_CTRL_FD);  /* Force Duplex to FULL */
1280
1281         if (hw->media_type == e1000_media_type_copper &&
1282            hw->phy_type == e1000_phy_m88)
1283                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1284         else {
1285                 /* Set the ILOS bit on the fiber Nic is half
1286                  * duplex link is detected. */
1287                 stat_reg = er32(STATUS);
1288                 if ((stat_reg & E1000_STATUS_FD) == 0)
1289                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1290         }
1291
1292         ew32(CTRL, ctrl_reg);
1293
1294         /* Disable the receiver on the PHY so when a cable is plugged in, the
1295          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1296          */
1297         if (hw->phy_type == e1000_phy_m88)
1298                 e1000_phy_disable_receiver(adapter);
1299
1300         udelay(500);
1301
1302         return 0;
1303 }
1304
1305 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1306 {
1307         struct e1000_hw *hw = &adapter->hw;
1308         u16 phy_reg = 0;
1309         u16 count = 0;
1310
1311         switch (hw->mac_type) {
1312         case e1000_82543:
1313                 if (hw->media_type == e1000_media_type_copper) {
1314                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1315                          * Some PHY registers get corrupted at random, so
1316                          * attempt this 10 times.
1317                          */
1318                         while (e1000_nonintegrated_phy_loopback(adapter) &&
1319                               count++ < 10);
1320                         if (count < 11)
1321                                 return 0;
1322                 }
1323                 break;
1324
1325         case e1000_82544:
1326         case e1000_82540:
1327         case e1000_82545:
1328         case e1000_82545_rev_3:
1329         case e1000_82546:
1330         case e1000_82546_rev_3:
1331         case e1000_82541:
1332         case e1000_82541_rev_2:
1333         case e1000_82547:
1334         case e1000_82547_rev_2:
1335                 return e1000_integrated_phy_loopback(adapter);
1336                 break;
1337         default:
1338                 /* Default PHY loopback work is to read the MII
1339                  * control register and assert bit 14 (loopback mode).
1340                  */
1341                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1342                 phy_reg |= MII_CR_LOOPBACK;
1343                 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1344                 return 0;
1345                 break;
1346         }
1347
1348         return 8;
1349 }
1350
1351 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1352 {
1353         struct e1000_hw *hw = &adapter->hw;
1354         u32 rctl;
1355
1356         if (hw->media_type == e1000_media_type_fiber ||
1357             hw->media_type == e1000_media_type_internal_serdes) {
1358                 switch (hw->mac_type) {
1359                 case e1000_82545:
1360                 case e1000_82546:
1361                 case e1000_82545_rev_3:
1362                 case e1000_82546_rev_3:
1363                         return e1000_set_phy_loopback(adapter);
1364                         break;
1365                 default:
1366                         rctl = er32(RCTL);
1367                         rctl |= E1000_RCTL_LBM_TCVR;
1368                         ew32(RCTL, rctl);
1369                         return 0;
1370                 }
1371         } else if (hw->media_type == e1000_media_type_copper)
1372                 return e1000_set_phy_loopback(adapter);
1373
1374         return 7;
1375 }
1376
1377 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1378 {
1379         struct e1000_hw *hw = &adapter->hw;
1380         u32 rctl;
1381         u16 phy_reg;
1382
1383         rctl = er32(RCTL);
1384         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1385         ew32(RCTL, rctl);
1386
1387         switch (hw->mac_type) {
1388         case e1000_82545:
1389         case e1000_82546:
1390         case e1000_82545_rev_3:
1391         case e1000_82546_rev_3:
1392         default:
1393                 hw->autoneg = true;
1394                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1395                 if (phy_reg & MII_CR_LOOPBACK) {
1396                         phy_reg &= ~MII_CR_LOOPBACK;
1397                         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1398                         e1000_phy_reset(hw);
1399                 }
1400                 break;
1401         }
1402 }
1403
1404 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1405                                       unsigned int frame_size)
1406 {
1407         memset(skb->data, 0xFF, frame_size);
1408         frame_size &= ~1;
1409         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1410         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1411         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1412 }
1413
1414 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1415                                     unsigned int frame_size)
1416 {
1417         frame_size &= ~1;
1418         if (*(skb->data + 3) == 0xFF) {
1419                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1420                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1421                         return 0;
1422                 }
1423         }
1424         return 13;
1425 }
1426
1427 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1428 {
1429         struct e1000_hw *hw = &adapter->hw;
1430         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1431         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1432         struct pci_dev *pdev = adapter->pdev;
1433         int i, j, k, l, lc, good_cnt, ret_val=0;
1434         unsigned long time;
1435
1436         ew32(RDT, rxdr->count - 1);
1437
1438         /* Calculate the loop count based on the largest descriptor ring
1439          * The idea is to wrap the largest ring a number of times using 64
1440          * send/receive pairs during each loop
1441          */
1442
1443         if (rxdr->count <= txdr->count)
1444                 lc = ((txdr->count / 64) * 2) + 1;
1445         else
1446                 lc = ((rxdr->count / 64) * 2) + 1;
1447
1448         k = l = 0;
1449         for (j = 0; j <= lc; j++) { /* loop count loop */
1450                 for (i = 0; i < 64; i++) { /* send the packets */
1451                         e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1452                                         1024);
1453                         dma_sync_single_for_device(&pdev->dev,
1454                                                    txdr->buffer_info[k].dma,
1455                                                    txdr->buffer_info[k].length,
1456                                                    DMA_TO_DEVICE);
1457                         if (unlikely(++k == txdr->count)) k = 0;
1458                 }
1459                 ew32(TDT, k);
1460                 msleep(200);
1461                 time = jiffies; /* set the start time for the receive */
1462                 good_cnt = 0;
1463                 do { /* receive the sent packets */
1464                         dma_sync_single_for_cpu(&pdev->dev,
1465                                                 rxdr->buffer_info[l].dma,
1466                                                 rxdr->buffer_info[l].length,
1467                                                 DMA_FROM_DEVICE);
1468
1469                         ret_val = e1000_check_lbtest_frame(
1470                                         rxdr->buffer_info[l].skb,
1471                                         1024);
1472                         if (!ret_val)
1473                                 good_cnt++;
1474                         if (unlikely(++l == rxdr->count)) l = 0;
1475                         /* time + 20 msecs (200 msecs on 2.4) is more than
1476                          * enough time to complete the receives, if it's
1477                          * exceeded, break and error off
1478                          */
1479                 } while (good_cnt < 64 && jiffies < (time + 20));
1480                 if (good_cnt != 64) {
1481                         ret_val = 13; /* ret_val is the same as mis-compare */
1482                         break;
1483                 }
1484                 if (jiffies >= (time + 2)) {
1485                         ret_val = 14; /* error code for time out error */
1486                         break;
1487                 }
1488         } /* end loop count loop */
1489         return ret_val;
1490 }
1491
1492 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1493 {
1494         *data = e1000_setup_desc_rings(adapter);
1495         if (*data)
1496                 goto out;
1497         *data = e1000_setup_loopback_test(adapter);
1498         if (*data)
1499                 goto err_loopback;
1500         *data = e1000_run_loopback_test(adapter);
1501         e1000_loopback_cleanup(adapter);
1502
1503 err_loopback:
1504         e1000_free_desc_rings(adapter);
1505 out:
1506         return *data;
1507 }
1508
1509 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1510 {
1511         struct e1000_hw *hw = &adapter->hw;
1512         *data = 0;
1513         if (hw->media_type == e1000_media_type_internal_serdes) {
1514                 int i = 0;
1515                 hw->serdes_has_link = false;
1516
1517                 /* On some blade server designs, link establishment
1518                  * could take as long as 2-3 minutes */
1519                 do {
1520                         e1000_check_for_link(hw);
1521                         if (hw->serdes_has_link)
1522                                 return *data;
1523                         msleep(20);
1524                 } while (i++ < 3750);
1525
1526                 *data = 1;
1527         } else {
1528                 e1000_check_for_link(hw);
1529                 if (hw->autoneg)  /* if auto_neg is set wait for it */
1530                         msleep(4000);
1531
1532                 if (!(er32(STATUS) & E1000_STATUS_LU)) {
1533                         *data = 1;
1534                 }
1535         }
1536         return *data;
1537 }
1538
1539 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1540 {
1541         switch (sset) {
1542         case ETH_SS_TEST:
1543                 return E1000_TEST_LEN;
1544         case ETH_SS_STATS:
1545                 return E1000_STATS_LEN;
1546         default:
1547                 return -EOPNOTSUPP;
1548         }
1549 }
1550
1551 static void e1000_diag_test(struct net_device *netdev,
1552                             struct ethtool_test *eth_test, u64 *data)
1553 {
1554         struct e1000_adapter *adapter = netdev_priv(netdev);
1555         struct e1000_hw *hw = &adapter->hw;
1556         bool if_running = netif_running(netdev);
1557
1558         set_bit(__E1000_TESTING, &adapter->flags);
1559         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1560                 /* Offline tests */
1561
1562                 /* save speed, duplex, autoneg settings */
1563                 u16 autoneg_advertised = hw->autoneg_advertised;
1564                 u8 forced_speed_duplex = hw->forced_speed_duplex;
1565                 u8 autoneg = hw->autoneg;
1566
1567                 e_info(hw, "offline testing starting\n");
1568
1569                 /* Link test performed before hardware reset so autoneg doesn't
1570                  * interfere with test result */
1571                 if (e1000_link_test(adapter, &data[4]))
1572                         eth_test->flags |= ETH_TEST_FL_FAILED;
1573
1574                 if (if_running)
1575                         /* indicate we're in test mode */
1576                         dev_close(netdev);
1577                 else
1578                         e1000_reset(adapter);
1579
1580                 if (e1000_reg_test(adapter, &data[0]))
1581                         eth_test->flags |= ETH_TEST_FL_FAILED;
1582
1583                 e1000_reset(adapter);
1584                 if (e1000_eeprom_test(adapter, &data[1]))
1585                         eth_test->flags |= ETH_TEST_FL_FAILED;
1586
1587                 e1000_reset(adapter);
1588                 if (e1000_intr_test(adapter, &data[2]))
1589                         eth_test->flags |= ETH_TEST_FL_FAILED;
1590
1591                 e1000_reset(adapter);
1592                 /* make sure the phy is powered up */
1593                 e1000_power_up_phy(adapter);
1594                 if (e1000_loopback_test(adapter, &data[3]))
1595                         eth_test->flags |= ETH_TEST_FL_FAILED;
1596
1597                 /* restore speed, duplex, autoneg settings */
1598                 hw->autoneg_advertised = autoneg_advertised;
1599                 hw->forced_speed_duplex = forced_speed_duplex;
1600                 hw->autoneg = autoneg;
1601
1602                 e1000_reset(adapter);
1603                 clear_bit(__E1000_TESTING, &adapter->flags);
1604                 if (if_running)
1605                         dev_open(netdev);
1606         } else {
1607                 e_info(hw, "online testing starting\n");
1608                 /* Online tests */
1609                 if (e1000_link_test(adapter, &data[4]))
1610                         eth_test->flags |= ETH_TEST_FL_FAILED;
1611
1612                 /* Online tests aren't run; pass by default */
1613                 data[0] = 0;
1614                 data[1] = 0;
1615                 data[2] = 0;
1616                 data[3] = 0;
1617
1618                 clear_bit(__E1000_TESTING, &adapter->flags);
1619         }
1620         msleep_interruptible(4 * 1000);
1621 }
1622
1623 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1624                                struct ethtool_wolinfo *wol)
1625 {
1626         struct e1000_hw *hw = &adapter->hw;
1627         int retval = 1; /* fail by default */
1628
1629         switch (hw->device_id) {
1630         case E1000_DEV_ID_82542:
1631         case E1000_DEV_ID_82543GC_FIBER:
1632         case E1000_DEV_ID_82543GC_COPPER:
1633         case E1000_DEV_ID_82544EI_FIBER:
1634         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1635         case E1000_DEV_ID_82545EM_FIBER:
1636         case E1000_DEV_ID_82545EM_COPPER:
1637         case E1000_DEV_ID_82546GB_QUAD_COPPER:
1638         case E1000_DEV_ID_82546GB_PCIE:
1639                 /* these don't support WoL at all */
1640                 wol->supported = 0;
1641                 break;
1642         case E1000_DEV_ID_82546EB_FIBER:
1643         case E1000_DEV_ID_82546GB_FIBER:
1644                 /* Wake events not supported on port B */
1645                 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1646                         wol->supported = 0;
1647                         break;
1648                 }
1649                 /* return success for non excluded adapter ports */
1650                 retval = 0;
1651                 break;
1652         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1653                 /* quad port adapters only support WoL on port A */
1654                 if (!adapter->quad_port_a) {
1655                         wol->supported = 0;
1656                         break;
1657                 }
1658                 /* return success for non excluded adapter ports */
1659                 retval = 0;
1660                 break;
1661         default:
1662                 /* dual port cards only support WoL on port A from now on
1663                  * unless it was enabled in the eeprom for port B
1664                  * so exclude FUNC_1 ports from having WoL enabled */
1665                 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1666                     !adapter->eeprom_wol) {
1667                         wol->supported = 0;
1668                         break;
1669                 }
1670
1671                 retval = 0;
1672         }
1673
1674         return retval;
1675 }
1676
1677 static void e1000_get_wol(struct net_device *netdev,
1678                           struct ethtool_wolinfo *wol)
1679 {
1680         struct e1000_adapter *adapter = netdev_priv(netdev);
1681         struct e1000_hw *hw = &adapter->hw;
1682
1683         wol->supported = WAKE_UCAST | WAKE_MCAST |
1684                          WAKE_BCAST | WAKE_MAGIC;
1685         wol->wolopts = 0;
1686
1687         /* this function will set ->supported = 0 and return 1 if wol is not
1688          * supported by this hardware */
1689         if (e1000_wol_exclusion(adapter, wol) ||
1690             !device_can_wakeup(&adapter->pdev->dev))
1691                 return;
1692
1693         /* apply any specific unsupported masks here */
1694         switch (hw->device_id) {
1695         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1696                 /* KSP3 does not suppport UCAST wake-ups */
1697                 wol->supported &= ~WAKE_UCAST;
1698
1699                 if (adapter->wol & E1000_WUFC_EX)
1700                         e_err(drv, "Interface does not support directed "
1701                               "(unicast) frame wake-up packets\n");
1702                 break;
1703         default:
1704                 break;
1705         }
1706
1707         if (adapter->wol & E1000_WUFC_EX)
1708                 wol->wolopts |= WAKE_UCAST;
1709         if (adapter->wol & E1000_WUFC_MC)
1710                 wol->wolopts |= WAKE_MCAST;
1711         if (adapter->wol & E1000_WUFC_BC)
1712                 wol->wolopts |= WAKE_BCAST;
1713         if (adapter->wol & E1000_WUFC_MAG)
1714                 wol->wolopts |= WAKE_MAGIC;
1715 }
1716
1717 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1718 {
1719         struct e1000_adapter *adapter = netdev_priv(netdev);
1720         struct e1000_hw *hw = &adapter->hw;
1721
1722         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1723                 return -EOPNOTSUPP;
1724
1725         if (e1000_wol_exclusion(adapter, wol) ||
1726             !device_can_wakeup(&adapter->pdev->dev))
1727                 return wol->wolopts ? -EOPNOTSUPP : 0;
1728
1729         switch (hw->device_id) {
1730         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1731                 if (wol->wolopts & WAKE_UCAST) {
1732                         e_err(drv, "Interface does not support directed "
1733                               "(unicast) frame wake-up packets\n");
1734                         return -EOPNOTSUPP;
1735                 }
1736                 break;
1737         default:
1738                 break;
1739         }
1740
1741         /* these settings will always override what we currently have */
1742         adapter->wol = 0;
1743
1744         if (wol->wolopts & WAKE_UCAST)
1745                 adapter->wol |= E1000_WUFC_EX;
1746         if (wol->wolopts & WAKE_MCAST)
1747                 adapter->wol |= E1000_WUFC_MC;
1748         if (wol->wolopts & WAKE_BCAST)
1749                 adapter->wol |= E1000_WUFC_BC;
1750         if (wol->wolopts & WAKE_MAGIC)
1751                 adapter->wol |= E1000_WUFC_MAG;
1752
1753         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1754
1755         return 0;
1756 }
1757
1758 static int e1000_set_phys_id(struct net_device *netdev,
1759                              enum ethtool_phys_id_state state)
1760 {
1761         struct e1000_adapter *adapter = netdev_priv(netdev);
1762         struct e1000_hw *hw = &adapter->hw;
1763
1764         switch (state) {
1765         case ETHTOOL_ID_ACTIVE:
1766                 e1000_setup_led(hw);
1767                 return 2;
1768
1769         case ETHTOOL_ID_ON:
1770                 e1000_led_on(hw);
1771                 break;
1772
1773         case ETHTOOL_ID_OFF:
1774                 e1000_led_off(hw);
1775                 break;
1776
1777         case ETHTOOL_ID_INACTIVE:
1778                 e1000_cleanup_led(hw);
1779         }
1780
1781         return 0;
1782 }
1783
1784 static int e1000_get_coalesce(struct net_device *netdev,
1785                               struct ethtool_coalesce *ec)
1786 {
1787         struct e1000_adapter *adapter = netdev_priv(netdev);
1788
1789         if (adapter->hw.mac_type < e1000_82545)
1790                 return -EOPNOTSUPP;
1791
1792         if (adapter->itr_setting <= 4)
1793                 ec->rx_coalesce_usecs = adapter->itr_setting;
1794         else
1795                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1796
1797         return 0;
1798 }
1799
1800 static int e1000_set_coalesce(struct net_device *netdev,
1801                               struct ethtool_coalesce *ec)
1802 {
1803         struct e1000_adapter *adapter = netdev_priv(netdev);
1804         struct e1000_hw *hw = &adapter->hw;
1805
1806         if (hw->mac_type < e1000_82545)
1807                 return -EOPNOTSUPP;
1808
1809         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1810             ((ec->rx_coalesce_usecs > 4) &&
1811              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1812             (ec->rx_coalesce_usecs == 2))
1813                 return -EINVAL;
1814
1815         if (ec->rx_coalesce_usecs == 4) {
1816                 adapter->itr = adapter->itr_setting = 4;
1817         } else if (ec->rx_coalesce_usecs <= 3) {
1818                 adapter->itr = 20000;
1819                 adapter->itr_setting = ec->rx_coalesce_usecs;
1820         } else {
1821                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1822                 adapter->itr_setting = adapter->itr & ~3;
1823         }
1824
1825         if (adapter->itr_setting != 0)
1826                 ew32(ITR, 1000000000 / (adapter->itr * 256));
1827         else
1828                 ew32(ITR, 0);
1829
1830         return 0;
1831 }
1832
1833 static int e1000_nway_reset(struct net_device *netdev)
1834 {
1835         struct e1000_adapter *adapter = netdev_priv(netdev);
1836         if (netif_running(netdev))
1837                 e1000_reinit_locked(adapter);
1838         return 0;
1839 }
1840
1841 static void e1000_get_ethtool_stats(struct net_device *netdev,
1842                                     struct ethtool_stats *stats, u64 *data)
1843 {
1844         struct e1000_adapter *adapter = netdev_priv(netdev);
1845         int i;
1846         char *p = NULL;
1847
1848         e1000_update_stats(adapter);
1849         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1850                 switch (e1000_gstrings_stats[i].type) {
1851                 case NETDEV_STATS:
1852                         p = (char *) netdev +
1853                                         e1000_gstrings_stats[i].stat_offset;
1854                         break;
1855                 case E1000_STATS:
1856                         p = (char *) adapter +
1857                                         e1000_gstrings_stats[i].stat_offset;
1858                         break;
1859                 }
1860
1861                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1862                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1863         }
1864 /*      BUG_ON(i != E1000_STATS_LEN); */
1865 }
1866
1867 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1868                               u8 *data)
1869 {
1870         u8 *p = data;
1871         int i;
1872
1873         switch (stringset) {
1874         case ETH_SS_TEST:
1875                 memcpy(data, *e1000_gstrings_test,
1876                         sizeof(e1000_gstrings_test));
1877                 break;
1878         case ETH_SS_STATS:
1879                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1880                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1881                                ETH_GSTRING_LEN);
1882                         p += ETH_GSTRING_LEN;
1883                 }
1884 /*              BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1885                 break;
1886         }
1887 }
1888
1889 static const struct ethtool_ops e1000_ethtool_ops = {
1890         .get_settings           = e1000_get_settings,
1891         .set_settings           = e1000_set_settings,
1892         .get_drvinfo            = e1000_get_drvinfo,
1893         .get_regs_len           = e1000_get_regs_len,
1894         .get_regs               = e1000_get_regs,
1895         .get_wol                = e1000_get_wol,
1896         .set_wol                = e1000_set_wol,
1897         .get_msglevel           = e1000_get_msglevel,
1898         .set_msglevel           = e1000_set_msglevel,
1899         .nway_reset             = e1000_nway_reset,
1900         .get_link               = e1000_get_link,
1901         .get_eeprom_len         = e1000_get_eeprom_len,
1902         .get_eeprom             = e1000_get_eeprom,
1903         .set_eeprom             = e1000_set_eeprom,
1904         .get_ringparam          = e1000_get_ringparam,
1905         .set_ringparam          = e1000_set_ringparam,
1906         .get_pauseparam         = e1000_get_pauseparam,
1907         .set_pauseparam         = e1000_set_pauseparam,
1908         .get_rx_csum            = e1000_get_rx_csum,
1909         .set_rx_csum            = e1000_set_rx_csum,
1910         .get_tx_csum            = e1000_get_tx_csum,
1911         .set_tx_csum            = e1000_set_tx_csum,
1912         .set_sg                 = ethtool_op_set_sg,
1913         .set_tso                = e1000_set_tso,
1914         .self_test              = e1000_diag_test,
1915         .get_strings            = e1000_get_strings,
1916         .set_phys_id            = e1000_set_phys_id,
1917         .get_ethtool_stats      = e1000_get_ethtool_stats,
1918         .get_sset_count         = e1000_get_sset_count,
1919         .get_coalesce           = e1000_get_coalesce,
1920         .set_coalesce           = e1000_set_coalesce,
1921 };
1922
1923 void e1000_set_ethtool_ops(struct net_device *netdev)
1924 {
1925         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1926 }