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 <[email protected]>
  24   e1000-devel Mailing List <[email protected]>
  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
 178         /* MDI-X => 1; MDI => 0 */
 179         if ((hw->media_type == e1000_media_type_copper) &&
 180             netif_carrier_ok(netdev))
 181                 ecmd->eth_tp_mdix = (!!adapter->phy_info.mdix_mode ?
 182                                      ETH_TP_MDI_X : ETH_TP_MDI);
 183         else
 184                 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
 185
 186         if (hw->mdix == AUTO_ALL_MODES)
 187                 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 188         else
 189                 ecmd->eth_tp_mdix_ctrl = hw->mdix;
 190         return 0;
 191 }
 192
 193 static int e1000_set_settings(struct net_device *netdev,
 194                               struct ethtool_cmd *ecmd)
 195 {
 196         struct e1000_adapter *adapter = netdev_priv(netdev);
 197         struct e1000_hw *hw = &adapter->hw;
 198
 199         /* MDI setting is only allowed when autoneg enabled because
 200          * some hardware doesn't allow MDI setting when speed or
 201          * duplex is forced.
 202          */
 203         if (ecmd->eth_tp_mdix_ctrl) {
 204                 if (hw->media_type != e1000_media_type_copper)
 205                         return -EOPNOTSUPP;
 206
 207                 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
 208                     (ecmd->autoneg != AUTONEG_ENABLE)) {
 209                         e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
 210                         return -EINVAL;
 211                 }
 212         }
 213
 214         while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 215                 msleep(1);
 216
 217         if (ecmd->autoneg == AUTONEG_ENABLE) {
 218                 hw->autoneg = 1;
 219                 if (hw->media_type == e1000_media_type_fiber)
 220                         hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
 221                                      ADVERTISED_FIBRE |
 222                                      ADVERTISED_Autoneg;
 223                 else
 224                         hw->autoneg_advertised = ecmd->advertising |
 225                                                  ADVERTISED_TP |
 226                                                  ADVERTISED_Autoneg;
 227                 ecmd->advertising = hw->autoneg_advertised;
 228         } else {
 229                 u32 speed = ethtool_cmd_speed(ecmd);
 230                 /* calling this overrides forced MDI setting */
 231                 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
 232                         clear_bit(__E1000_RESETTING, &adapter->flags);
 233                         return -EINVAL;
 234                 }
 235         }
 236
 237         /* MDI-X => 2; MDI => 1; Auto => 3 */
 238         if (ecmd->eth_tp_mdix_ctrl) {
 239                 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
 240                         hw->mdix = AUTO_ALL_MODES;
 241                 else
 242                         hw->mdix = ecmd->eth_tp_mdix_ctrl;
 243         }
 244
 245         /* reset the link */
 246
 247         if (netif_running(adapter->netdev)) {
 248                 e1000_down(adapter);
 249                 e1000_up(adapter);
 250         } else
 251                 e1000_reset(adapter);
 252
 253         clear_bit(__E1000_RESETTING, &adapter->flags);
 254         return 0;
 255 }
 256
 257 static u32 e1000_get_link(struct net_device *netdev)
 258 {
 259         struct e1000_adapter *adapter = netdev_priv(netdev);
 260
 261         /* If the link is not reported up to netdev, interrupts are disabled,
 262          * and so the physical link state may have changed since we last
 263          * looked. Set get_link_status to make sure that the true link
 264          * state is interrogated, rather than pulling a cached and possibly
 265          * stale link state from the driver.
 266          */
 267         if (!netif_carrier_ok(netdev))
 268                 adapter->hw.get_link_status = 1;
 269
 270         return e1000_has_link(adapter);
 271 }
 272
 273 static void e1000_get_pauseparam(struct net_device *netdev,
 274                                  struct ethtool_pauseparam *pause)
 275 {
 276         struct e1000_adapter *adapter = netdev_priv(netdev);
 277         struct e1000_hw *hw = &adapter->hw;
 278
 279         pause->autoneg =
 280                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 281
 282         if (hw->fc == E1000_FC_RX_PAUSE)
 283                 pause->rx_pause = 1;
 284         else if (hw->fc == E1000_FC_TX_PAUSE)
 285                 pause->tx_pause = 1;
 286         else if (hw->fc == E1000_FC_FULL) {
 287                 pause->rx_pause = 1;
 288                 pause->tx_pause = 1;
 289         }
 290 }
 291
 292 static int e1000_set_pauseparam(struct net_device *netdev,
 293                                 struct ethtool_pauseparam *pause)
 294 {
 295         struct e1000_adapter *adapter = netdev_priv(netdev);
 296         struct e1000_hw *hw = &adapter->hw;
 297         int retval = 0;
 298
 299         adapter->fc_autoneg = pause->autoneg;
 300
 301         while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 302                 msleep(1);
 303
 304         if (pause->rx_pause && pause->tx_pause)
 305                 hw->fc = E1000_FC_FULL;
 306         else if (pause->rx_pause && !pause->tx_pause)
 307                 hw->fc = E1000_FC_RX_PAUSE;
 308         else if (!pause->rx_pause && pause->tx_pause)
 309                 hw->fc = E1000_FC_TX_PAUSE;
 310         else if (!pause->rx_pause && !pause->tx_pause)
 311                 hw->fc = E1000_FC_NONE;
 312
 313         hw->original_fc = hw->fc;
 314
 315         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 316                 if (netif_running(adapter->netdev)) {
 317                         e1000_down(adapter);
 318                         e1000_up(adapter);
 319                 } else
 320                         e1000_reset(adapter);
 321         } else
 322                 retval = ((hw->media_type == e1000_media_type_fiber) ?
 323                           e1000_setup_link(hw) : e1000_force_mac_fc(hw));
 324
 325         clear_bit(__E1000_RESETTING, &adapter->flags);
 326         return retval;
 327 }
 328
 329 static u32 e1000_get_msglevel(struct net_device *netdev)
 330 {
 331         struct e1000_adapter *adapter = netdev_priv(netdev);
 332         return adapter->msg_enable;
 333 }
 334
 335 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 336 {
 337         struct e1000_adapter *adapter = netdev_priv(netdev);
 338         adapter->msg_enable = data;
 339 }
 340
 341 static int e1000_get_regs_len(struct net_device *netdev)
 342 {
 343 #define E1000_REGS_LEN 32
 344         return E1000_REGS_LEN * sizeof(u32);
 345 }
 346
 347 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
 348                            void *p)
 349 {
 350         struct e1000_adapter *adapter = netdev_priv(netdev);
 351         struct e1000_hw *hw = &adapter->hw;
 352         u32 *regs_buff = p;
 353         u16 phy_data;
 354
 355         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 356
 357         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 358
 359         regs_buff[0]  = er32(CTRL);
 360         regs_buff[1]  = er32(STATUS);
 361
 362         regs_buff[2]  = er32(RCTL);
 363         regs_buff[3]  = er32(RDLEN);
 364         regs_buff[4]  = er32(RDH);
 365         regs_buff[5]  = er32(RDT);
 366         regs_buff[6]  = er32(RDTR);
 367
 368         regs_buff[7]  = er32(TCTL);
 369         regs_buff[8]  = er32(TDLEN);
 370         regs_buff[9]  = er32(TDH);
 371         regs_buff[10] = er32(TDT);
 372         regs_buff[11] = er32(TIDV);
 373
 374         regs_buff[12] = hw->phy_type;  /* PHY type (IGP=1, M88=0) */
 375         if (hw->phy_type == e1000_phy_igp) {
 376                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 377                                     IGP01E1000_PHY_AGC_A);
 378                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
 379                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 380                 regs_buff[13] = (u32)phy_data; /* cable length */
 381                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 382                                     IGP01E1000_PHY_AGC_B);
 383                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
 384                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 385                 regs_buff[14] = (u32)phy_data; /* cable length */
 386                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 387                                     IGP01E1000_PHY_AGC_C);
 388                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
 389                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 390                 regs_buff[15] = (u32)phy_data; /* cable length */
 391                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 392                                     IGP01E1000_PHY_AGC_D);
 393                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
 394                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 395                 regs_buff[16] = (u32)phy_data; /* cable length */
 396                 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
 397                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 398                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
 399                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 400                 regs_buff[18] = (u32)phy_data; /* cable polarity */
 401                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 402                                     IGP01E1000_PHY_PCS_INIT_REG);
 403                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
 404                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 405                 regs_buff[19] = (u32)phy_data; /* cable polarity */
 406                 regs_buff[20] = 0; /* polarity correction enabled (always) */
 407                 regs_buff[22] = 0; /* phy receive errors (unavailable) */
 408                 regs_buff[23] = regs_buff[18]; /* mdix mode */
 409                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 410         } else {
 411                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 412                 regs_buff[13] = (u32)phy_data; /* cable length */
 413                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 414                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 415                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 416                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 417                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 418                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 419                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 420                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 421                 /* phy receive errors */
 422                 regs_buff[22] = adapter->phy_stats.receive_errors;
 423                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 424         }
 425         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 426         e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
 427         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 428         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 429         if (hw->mac_type >= e1000_82540 &&
 430             hw->media_type == e1000_media_type_copper) {
 431                 regs_buff[26] = er32(MANC);
 432         }
 433 }
 434
 435 static int e1000_get_eeprom_len(struct net_device *netdev)
 436 {
 437         struct e1000_adapter *adapter = netdev_priv(netdev);
 438         struct e1000_hw *hw = &adapter->hw;
 439
 440         return hw->eeprom.word_size * 2;
 441 }
 442
 443 static int e1000_get_eeprom(struct net_device *netdev,
 444                             struct ethtool_eeprom *eeprom, u8 *bytes)
 445 {
 446         struct e1000_adapter *adapter = netdev_priv(netdev);
 447         struct e1000_hw *hw = &adapter->hw;
 448         u16 *eeprom_buff;
 449         int first_word, last_word;
 450         int ret_val = 0;
 451         u16 i;
 452
 453         if (eeprom->len == 0)
 454                 return -EINVAL;
 455
 456         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 457
 458         first_word = eeprom->offset >> 1;
 459         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 460
 461         eeprom_buff = kmalloc(sizeof(u16) *
 462                         (last_word - first_word + 1), GFP_KERNEL);
 463         if (!eeprom_buff)
 464                 return -ENOMEM;
 465
 466         if (hw->eeprom.type == e1000_eeprom_spi)
 467                 ret_val = e1000_read_eeprom(hw, first_word,
 468                                             last_word - first_word + 1,
 469                                             eeprom_buff);
 470         else {
 471                 for (i = 0; i < last_word - first_word + 1; i++) {
 472                         ret_val = e1000_read_eeprom(hw, first_word + i, 1,
 473                                                     &eeprom_buff[i]);
 474                         if (ret_val)
 475                                 break;
 476                 }
 477         }
 478
 479         /* Device's eeprom is always little-endian, word addressable */
 480         for (i = 0; i < last_word - first_word + 1; i++)
 481                 le16_to_cpus(&eeprom_buff[i]);
 482
 483         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
 484                eeprom->len);
 485         kfree(eeprom_buff);
 486
 487         return ret_val;
 488 }
 489
 490 static int e1000_set_eeprom(struct net_device *netdev,
 491                             struct ethtool_eeprom *eeprom, u8 *bytes)
 492 {
 493         struct e1000_adapter *adapter = netdev_priv(netdev);
 494         struct e1000_hw *hw = &adapter->hw;
 495         u16 *eeprom_buff;
 496         void *ptr;
 497         int max_len, first_word, last_word, ret_val = 0;
 498         u16 i;
 499
 500         if (eeprom->len == 0)
 501                 return -EOPNOTSUPP;
 502
 503         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 504                 return -EFAULT;
 505
 506         max_len = hw->eeprom.word_size * 2;
 507
 508         first_word = eeprom->offset >> 1;
 509         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 510         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 511         if (!eeprom_buff)
 512                 return -ENOMEM;
 513
 514         ptr = (void *)eeprom_buff;
 515
 516         if (eeprom->offset & 1) {
 517                 /* need read/modify/write of first changed EEPROM word
 518                  * only the second byte of the word is being modified
 519                  */
 520                 ret_val = e1000_read_eeprom(hw, first_word, 1,
 521                                             &eeprom_buff[0]);
 522                 ptr++;
 523         }
 524         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 525                 /* need read/modify/write of last changed EEPROM word
 526                  * only the first byte of the word is being modified
 527                  */
 528                 ret_val = e1000_read_eeprom(hw, last_word, 1,
 529                                   &eeprom_buff[last_word - first_word]);
 530         }
 531
 532         /* Device's eeprom is always little-endian, word addressable */
 533         for (i = 0; i < last_word - first_word + 1; i++)
 534                 le16_to_cpus(&eeprom_buff[i]);
 535
 536         memcpy(ptr, bytes, eeprom->len);
 537
 538         for (i = 0; i < last_word - first_word + 1; i++)
 539                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 540
 541         ret_val = e1000_write_eeprom(hw, first_word,
 542                                      last_word - first_word + 1, eeprom_buff);
 543
 544         /* Update the checksum over the first part of the EEPROM if needed */
 545         if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
 546                 e1000_update_eeprom_checksum(hw);
 547
 548         kfree(eeprom_buff);
 549         return ret_val;
 550 }
 551
 552 static void e1000_get_drvinfo(struct net_device *netdev,
 553                               struct ethtool_drvinfo *drvinfo)
 554 {
 555         struct e1000_adapter *adapter = netdev_priv(netdev);
 556
 557         strlcpy(drvinfo->driver,  e1000_driver_name,
 558                 sizeof(drvinfo->driver));
 559         strlcpy(drvinfo->version, e1000_driver_version,
 560                 sizeof(drvinfo->version));
 561
 562         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 563                 sizeof(drvinfo->bus_info));
 564         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 565         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 566 }
 567
 568 static void e1000_get_ringparam(struct net_device *netdev,
 569                                 struct ethtool_ringparam *ring)
 570 {
 571         struct e1000_adapter *adapter = netdev_priv(netdev);
 572         struct e1000_hw *hw = &adapter->hw;
 573         e1000_mac_type mac_type = hw->mac_type;
 574         struct e1000_tx_ring *txdr = adapter->tx_ring;
 575         struct e1000_rx_ring *rxdr = adapter->rx_ring;
 576
 577         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 578                 E1000_MAX_82544_RXD;
 579         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 580                 E1000_MAX_82544_TXD;
 581         ring->rx_pending = rxdr->count;
 582         ring->tx_pending = txdr->count;
 583 }
 584
 585 static int e1000_set_ringparam(struct net_device *netdev,
 586                                struct ethtool_ringparam *ring)
 587 {
 588         struct e1000_adapter *adapter = netdev_priv(netdev);
 589         struct e1000_hw *hw = &adapter->hw;
 590         e1000_mac_type mac_type = hw->mac_type;
 591         struct e1000_tx_ring *txdr, *tx_old;
 592         struct e1000_rx_ring *rxdr, *rx_old;
 593         int i, err;
 594
 595         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 596                 return -EINVAL;
 597
 598         while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 599                 msleep(1);
 600
 601         if (netif_running(adapter->netdev))
 602                 e1000_down(adapter);
 603
 604         tx_old = adapter->tx_ring;
 605         rx_old = adapter->rx_ring;
 606
 607         err = -ENOMEM;
 608         txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),
 609                        GFP_KERNEL);
 610         if (!txdr)
 611                 goto err_alloc_tx;
 612
 613         rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring),
 614                        GFP_KERNEL);
 615         if (!rxdr)
 616                 goto err_alloc_rx;
 617
 618         adapter->tx_ring = txdr;
 619         adapter->rx_ring = rxdr;
 620
 621         rxdr->count = max(ring->rx_pending,(u32)E1000_MIN_RXD);
 622         rxdr->count = min(rxdr->count,(u32)(mac_type < e1000_82544 ?
 623                           E1000_MAX_RXD : E1000_MAX_82544_RXD));
 624         rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 625
 626         txdr->count = max(ring->tx_pending,(u32)E1000_MIN_TXD);
 627         txdr->count = min(txdr->count,(u32)(mac_type < e1000_82544 ?
 628                           E1000_MAX_TXD : E1000_MAX_82544_TXD));
 629         txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 630
 631         for (i = 0; i < adapter->num_tx_queues; i++)
 632                 txdr[i].count = txdr->count;
 633         for (i = 0; i < adapter->num_rx_queues; i++)
 634                 rxdr[i].count = rxdr->count;
 635
 636         if (netif_running(adapter->netdev)) {
 637                 /* Try to get new resources before deleting old */
 638                 err = e1000_setup_all_rx_resources(adapter);
 639                 if (err)
 640                         goto err_setup_rx;
 641                 err = e1000_setup_all_tx_resources(adapter);
 642                 if (err)
 643                         goto err_setup_tx;
 644
 645                 /* save the new, restore the old in order to free it,
 646                  * then restore the new back again
 647                  */
 648
 649                 adapter->rx_ring = rx_old;
 650                 adapter->tx_ring = tx_old;
 651                 e1000_free_all_rx_resources(adapter);
 652                 e1000_free_all_tx_resources(adapter);
 653                 kfree(tx_old);
 654                 kfree(rx_old);
 655                 adapter->rx_ring = rxdr;
 656                 adapter->tx_ring = txdr;
 657                 err = e1000_up(adapter);
 658                 if (err)
 659                         goto err_setup;
 660         }
 661
 662         clear_bit(__E1000_RESETTING, &adapter->flags);
 663         return 0;
 664 err_setup_tx:
 665         e1000_free_all_rx_resources(adapter);
 666 err_setup_rx:
 667         adapter->rx_ring = rx_old;
 668         adapter->tx_ring = tx_old;
 669         kfree(rxdr);
 670 err_alloc_rx:
 671         kfree(txdr);
 672 err_alloc_tx:
 673         e1000_up(adapter);
 674 err_setup:
 675         clear_bit(__E1000_RESETTING, &adapter->flags);
 676         return err;
 677 }
 678
 679 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
 680                              u32 mask, u32 write)
 681 {
 682         struct e1000_hw *hw = &adapter->hw;
 683         static const u32 test[] =
 684                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
 685         u8 __iomem *address = hw->hw_addr + reg;
 686         u32 read;
 687         int i;
 688
 689         for (i = 0; i < ARRAY_SIZE(test); i++) {
 690                 writel(write & test[i], address);
 691                 read = readl(address);
 692                 if (read != (write & test[i] & mask)) {
 693                         e_err(drv, "pattern test reg %04X failed: "
 694                               "got 0x%08X expected 0x%08X\n",
 695                               reg, read, (write & test[i] & mask));
 696                         *data = reg;
 697                         return true;
 698                 }
 699         }
 700         return false;
 701 }
 702
 703 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
 704                               u32 mask, u32 write)
 705 {
 706         struct e1000_hw *hw = &adapter->hw;
 707         u8 __iomem *address = hw->hw_addr + reg;
 708         u32 read;
 709
 710         writel(write & mask, address);
 711         read = readl(address);
 712         if ((read & mask) != (write & mask)) {
 713                 e_err(drv, "set/check reg %04X test failed: "
 714                       "got 0x%08X expected 0x%08X\n",
 715                       reg, (read & mask), (write & mask));
 716                 *data = reg;
 717                 return true;
 718         }
 719         return false;
 720 }
 721
 722 #define REG_PATTERN_TEST(reg, mask, write)                           \
 723         do {                                                         \
 724                 if (reg_pattern_test(adapter, data,                  \
 725                              (hw->mac_type >= e1000_82543)   \
 726                              ? E1000_##reg : E1000_82542_##reg,      \
 727                              mask, write))                           \
 728                         return 1;                                    \
 729         } while (0)
 730
 731 #define REG_SET_AND_CHECK(reg, mask, write)                          \
 732         do {                                                         \
 733                 if (reg_set_and_check(adapter, data,                 \
 734                               (hw->mac_type >= e1000_82543)  \
 735                               ? E1000_##reg : E1000_82542_##reg,     \
 736                               mask, write))                          \
 737                         return 1;                                    \
 738         } while (0)
 739
 740 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 741 {
 742         u32 value, before, after;
 743         u32 i, toggle;
 744         struct e1000_hw *hw = &adapter->hw;
 745
 746         /* The status register is Read Only, so a write should fail.
 747          * Some bits that get toggled are ignored.
 748          */
 749
 750         /* there are several bits on newer hardware that are r/w */
 751         toggle = 0xFFFFF833;
 752
 753         before = er32(STATUS);
 754         value = (er32(STATUS) & toggle);
 755         ew32(STATUS, toggle);
 756         after = er32(STATUS) & toggle;
 757         if (value != after) {
 758                 e_err(drv, "failed STATUS register test got: "
 759                       "0x%08X expected: 0x%08X\n", after, value);
 760                 *data = 1;
 761                 return 1;
 762         }
 763         /* restore previous status */
 764         ew32(STATUS, before);
 765
 766         REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 767         REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 768         REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 769         REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 770
 771         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 772         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 773         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 774         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 775         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 776         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 777         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 778         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 779         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 780         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 781
 782         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 783
 784         before = 0x06DFB3FE;
 785         REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
 786         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 787
 788         if (hw->mac_type >= e1000_82543) {
 789                 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
 790                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 791                 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 792                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 793                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 794                 value = E1000_RAR_ENTRIES;
 795                 for (i = 0; i < value; i++) {
 796                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 797                                          0xFFFFFFFF);
 798                 }
 799         } else {
 800                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 801                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 802                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 803                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 804         }
 805
 806         value = E1000_MC_TBL_SIZE;
 807         for (i = 0; i < value; i++)
 808                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 809
 810         *data = 0;
 811         return 0;
 812 }
 813
 814 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 815 {
 816         struct e1000_hw *hw = &adapter->hw;
 817         u16 temp;
 818         u16 checksum = 0;
 819         u16 i;
 820
 821         *data = 0;
 822         /* Read and add up the contents of the EEPROM */
 823         for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 824                 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
 825                         *data = 1;
 826                         break;
 827                 }
 828                 checksum += temp;
 829         }
 830
 831         /* If Checksum is not Correct return error else test passed */
 832         if ((checksum != (u16)EEPROM_SUM) && !(*data))
 833                 *data = 2;
 834
 835         return *data;
 836 }
 837
 838 static irqreturn_t e1000_test_intr(int irq, void *data)
 839 {
 840         struct net_device *netdev = (struct net_device *)data;
 841         struct e1000_adapter *adapter = netdev_priv(netdev);
 842         struct e1000_hw *hw = &adapter->hw;
 843
 844         adapter->test_icr |= er32(ICR);
 845
 846         return IRQ_HANDLED;
 847 }
 848
 849 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 850 {
 851         struct net_device *netdev = adapter->netdev;
 852         u32 mask, i = 0;
 853         bool shared_int = true;
 854         u32 irq = adapter->pdev->irq;
 855         struct e1000_hw *hw = &adapter->hw;
 856
 857         *data = 0;
 858
 859         /* NOTE: we don't test MSI interrupts here, yet
 860          * Hook up test interrupt handler just for this test
 861          */
 862         if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 863                          netdev))
 864                 shared_int = false;
 865         else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
 866                              netdev->name, netdev)) {
 867                 *data = 1;
 868                 return -1;
 869         }
 870         e_info(hw, "testing %s interrupt\n", (shared_int ?
 871                "shared" : "unshared"));
 872
 873         /* Disable all the interrupts */
 874         ew32(IMC, 0xFFFFFFFF);
 875         E1000_WRITE_FLUSH();
 876         msleep(10);
 877
 878         /* Test each interrupt */
 879         for (; i < 10; i++) {
 880
 881                 /* Interrupt to test */
 882                 mask = 1 << i;
 883
 884                 if (!shared_int) {
 885                         /* Disable the interrupt to be reported in
 886                          * the cause register and then force the same
 887                          * interrupt and see if one gets posted.  If
 888                          * an interrupt was posted to the bus, the
 889                          * test failed.
 890                          */
 891                         adapter->test_icr = 0;
 892                         ew32(IMC, mask);
 893                         ew32(ICS, mask);
 894                         E1000_WRITE_FLUSH();
 895                         msleep(10);
 896
 897                         if (adapter->test_icr & mask) {
 898                                 *data = 3;
 899                                 break;
 900                         }
 901                 }
 902
 903                 /* Enable the interrupt to be reported in
 904                  * the cause register and then force the same
 905                  * interrupt and see if one gets posted.  If
 906                  * an interrupt was not posted to the bus, the
 907                  * test failed.
 908                  */
 909                 adapter->test_icr = 0;
 910                 ew32(IMS, mask);
 911                 ew32(ICS, mask);
 912                 E1000_WRITE_FLUSH();
 913                 msleep(10);
 914
 915                 if (!(adapter->test_icr & mask)) {
 916                         *data = 4;
 917                         break;
 918                 }
 919
 920                 if (!shared_int) {
 921                         /* Disable the other interrupts to be reported in
 922                          * the cause register and then force the other
 923                          * interrupts and see if any get posted.  If
 924                          * an interrupt was posted to the bus, the
 925                          * test failed.
 926                          */
 927                         adapter->test_icr = 0;
 928                         ew32(IMC, ~mask & 0x00007FFF);
 929                         ew32(ICS, ~mask & 0x00007FFF);
 930                         E1000_WRITE_FLUSH();
 931                         msleep(10);
 932
 933                         if (adapter->test_icr) {
 934                                 *data = 5;
 935                                 break;
 936                         }
 937                 }
 938         }
 939
 940         /* Disable all the interrupts */
 941         ew32(IMC, 0xFFFFFFFF);
 942         E1000_WRITE_FLUSH();
 943         msleep(10);
 944
 945         /* Unhook test interrupt handler */
 946         free_irq(irq, netdev);
 947
 948         return *data;
 949 }
 950
 951 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
 952 {
 953         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 954         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 955         struct pci_dev *pdev = adapter->pdev;
 956         int i;
 957
 958         if (txdr->desc && txdr->buffer_info) {
 959                 for (i = 0; i < txdr->count; i++) {
 960                         if (txdr->buffer_info[i].dma)
 961                                 dma_unmap_single(&pdev->dev,
 962                                                  txdr->buffer_info[i].dma,
 963                                                  txdr->buffer_info[i].length,
 964                                                  DMA_TO_DEVICE);
 965                         if (txdr->buffer_info[i].skb)
 966                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 967                 }
 968         }
 969
 970         if (rxdr->desc && rxdr->buffer_info) {
 971                 for (i = 0; i < rxdr->count; i++) {
 972                         if (rxdr->buffer_info[i].dma)
 973                                 dma_unmap_single(&pdev->dev,
 974                                                  rxdr->buffer_info[i].dma,
 975                                                  rxdr->buffer_info[i].length,
 976                                                  DMA_FROM_DEVICE);
 977                         if (rxdr->buffer_info[i].skb)
 978                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
 979                 }
 980         }
 981
 982         if (txdr->desc) {
 983                 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
 984                                   txdr->dma);
 985                 txdr->desc = NULL;
 986         }
 987         if (rxdr->desc) {
 988                 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
 989                                   rxdr->dma);
 990                 rxdr->desc = NULL;
 991         }
 992
 993         kfree(txdr->buffer_info);
 994         txdr->buffer_info = NULL;
 995         kfree(rxdr->buffer_info);
 996         rxdr->buffer_info = NULL;
 997 }
 998
 999 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1000 {
1001         struct e1000_hw *hw = &adapter->hw;
1002         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1003         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1004         struct pci_dev *pdev = adapter->pdev;
1005         u32 rctl;
1006         int i, ret_val;
1007
1008         /* Setup Tx descriptor ring and Tx buffers */
1009
1010         if (!txdr->count)
1011                 txdr->count = E1000_DEFAULT_TXD;
1012
1013         txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer),
1014                                     GFP_KERNEL);
1015         if (!txdr->buffer_info) {
1016                 ret_val = 1;
1017                 goto err_nomem;
1018         }
1019
1020         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1021         txdr->size = ALIGN(txdr->size, 4096);
1022         txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
1023                                         GFP_KERNEL | __GFP_ZERO);
1024         if (!txdr->desc) {
1025                 ret_val = 2;
1026                 goto err_nomem;
1027         }
1028         txdr->next_to_use = txdr->next_to_clean = 0;
1029
1030         ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1031         ew32(TDBAH, ((u64)txdr->dma >> 32));
1032         ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1033         ew32(TDH, 0);
1034         ew32(TDT, 0);
1035         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1036              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1037              E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1038
1039         for (i = 0; i < txdr->count; i++) {
1040                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1041                 struct sk_buff *skb;
1042                 unsigned int size = 1024;
1043
1044                 skb = alloc_skb(size, GFP_KERNEL);
1045                 if (!skb) {
1046                         ret_val = 3;
1047                         goto err_nomem;
1048                 }
1049                 skb_put(skb, size);
1050                 txdr->buffer_info[i].skb = skb;
1051                 txdr->buffer_info[i].length = skb->len;
1052                 txdr->buffer_info[i].dma =
1053                         dma_map_single(&pdev->dev, skb->data, skb->len,
1054                                        DMA_TO_DEVICE);
1055                 if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
1056                         ret_val = 4;
1057                         goto err_nomem;
1058                 }
1059                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1060                 tx_desc->lower.data = cpu_to_le32(skb->len);
1061                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1062                                                    E1000_TXD_CMD_IFCS |
1063                                                    E1000_TXD_CMD_RPS);
1064                 tx_desc->upper.data = 0;
1065         }
1066
1067         /* Setup Rx descriptor ring and Rx buffers */
1068
1069         if (!rxdr->count)
1070                 rxdr->count = E1000_DEFAULT_RXD;
1071
1072         rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
1073                                     GFP_KERNEL);
1074         if (!rxdr->buffer_info) {
1075                 ret_val = 5;
1076                 goto err_nomem;
1077         }
1078
1079         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1080         rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1081                                         GFP_KERNEL | __GFP_ZERO);
1082         if (!rxdr->desc) {
1083                 ret_val = 6;
1084                 goto err_nomem;
1085         }
1086         rxdr->next_to_use = rxdr->next_to_clean = 0;
1087
1088         rctl = er32(RCTL);
1089         ew32(RCTL, rctl & ~E1000_RCTL_EN);
1090         ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1091         ew32(RDBAH, ((u64)rxdr->dma >> 32));
1092         ew32(RDLEN, rxdr->size);
1093         ew32(RDH, 0);
1094         ew32(RDT, 0);
1095         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1096                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1097                 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1098         ew32(RCTL, rctl);
1099
1100         for (i = 0; i < rxdr->count; i++) {
1101                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1102                 struct sk_buff *skb;
1103
1104                 skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1105                 if (!skb) {
1106                         ret_val = 7;
1107                         goto err_nomem;
1108                 }
1109                 skb_reserve(skb, NET_IP_ALIGN);
1110                 rxdr->buffer_info[i].skb = skb;
1111                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1112                 rxdr->buffer_info[i].dma =
1113                         dma_map_single(&pdev->dev, skb->data,
1114                                        E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1115                 if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
1116                         ret_val = 8;
1117                         goto err_nomem;
1118                 }
1119                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1120                 memset(skb->data, 0x00, skb->len);
1121         }
1122
1123         return 0;
1124
1125 err_nomem:
1126         e1000_free_desc_rings(adapter);
1127         return ret_val;
1128 }
1129
1130 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1131 {
1132         struct e1000_hw *hw = &adapter->hw;
1133
1134         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1135         e1000_write_phy_reg(hw, 29, 0x001F);
1136         e1000_write_phy_reg(hw, 30, 0x8FFC);
1137         e1000_write_phy_reg(hw, 29, 0x001A);
1138         e1000_write_phy_reg(hw, 30, 0x8FF0);
1139 }
1140
1141 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1142 {
1143         struct e1000_hw *hw = &adapter->hw;
1144         u16 phy_reg;
1145
1146         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1147          * Extended PHY Specific Control Register to 25MHz clock.  This
1148          * value defaults back to a 2.5MHz clock when the PHY is reset.
1149          */
1150         e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1151         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1152         e1000_write_phy_reg(hw,
1153                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1154
1155         /* In addition, because of the s/w reset above, we need to enable
1156          * CRS on TX.  This must be set for both full and half duplex
1157          * operation.
1158          */
1159         e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1160         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1161         e1000_write_phy_reg(hw,
1162                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1163 }
1164
1165 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1166 {
1167         struct e1000_hw *hw = &adapter->hw;
1168         u32 ctrl_reg;
1169         u16 phy_reg;
1170
1171         /* Setup the Device Control Register for PHY loopback test. */
1172
1173         ctrl_reg = er32(CTRL);
1174         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1175                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1176                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1177                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1178                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1179
1180         ew32(CTRL, ctrl_reg);
1181
1182         /* Read the PHY Specific Control Register (0x10) */
1183         e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1184
1185         /* Clear Auto-Crossover bits in PHY Specific Control Register
1186          * (bits 6:5).
1187          */
1188         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1189         e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1190
1191         /* Perform software reset on the PHY */
1192         e1000_phy_reset(hw);
1193
1194         /* Have to setup TX_CLK and TX_CRS after software reset */
1195         e1000_phy_reset_clk_and_crs(adapter);
1196
1197         e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1198
1199         /* Wait for reset to complete. */
1200         udelay(500);
1201
1202         /* Have to setup TX_CLK and TX_CRS after software reset */
1203         e1000_phy_reset_clk_and_crs(adapter);
1204
1205         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1206         e1000_phy_disable_receiver(adapter);
1207
1208         /* Set the loopback bit in the PHY control register. */
1209         e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1210         phy_reg |= MII_CR_LOOPBACK;
1211         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1212
1213         /* Setup TX_CLK and TX_CRS one more time. */
1214         e1000_phy_reset_clk_and_crs(adapter);
1215
1216         /* Check Phy Configuration */
1217         e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1218         if (phy_reg != 0x4100)
1219                  return 9;
1220
1221         e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1222         if (phy_reg != 0x0070)
1223                 return 10;
1224
1225         e1000_read_phy_reg(hw, 29, &phy_reg);
1226         if (phy_reg != 0x001A)
1227                 return 11;
1228
1229         return 0;
1230 }
1231
1232 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1233 {
1234         struct e1000_hw *hw = &adapter->hw;
1235         u32 ctrl_reg = 0;
1236         u32 stat_reg = 0;
1237
1238         hw->autoneg = false;
1239
1240         if (hw->phy_type == e1000_phy_m88) {
1241                 /* Auto-MDI/MDIX Off */
1242                 e1000_write_phy_reg(hw,
1243                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1244                 /* reset to update Auto-MDI/MDIX */
1245                 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1246                 /* autoneg off */
1247                 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1248         }
1249
1250         ctrl_reg = er32(CTRL);
1251
1252         /* force 1000, set loopback */
1253         e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1254
1255         /* Now set up the MAC to the same speed/duplex as the PHY. */
1256         ctrl_reg = er32(CTRL);
1257         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1258         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1259                         E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1260                         E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1261                         E1000_CTRL_FD); /* Force Duplex to FULL */
1262
1263         if (hw->media_type == e1000_media_type_copper &&
1264            hw->phy_type == e1000_phy_m88)
1265                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1266         else {
1267                 /* Set the ILOS bit on the fiber Nic is half
1268                  * duplex link is detected.
1269                  */
1270                 stat_reg = er32(STATUS);
1271                 if ((stat_reg & E1000_STATUS_FD) == 0)
1272                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1273         }
1274
1275         ew32(CTRL, ctrl_reg);
1276
1277         /* Disable the receiver on the PHY so when a cable is plugged in, the
1278          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1279          */
1280         if (hw->phy_type == e1000_phy_m88)
1281                 e1000_phy_disable_receiver(adapter);
1282
1283         udelay(500);
1284
1285         return 0;
1286 }
1287
1288 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1289 {
1290         struct e1000_hw *hw = &adapter->hw;
1291         u16 phy_reg = 0;
1292         u16 count = 0;
1293
1294         switch (hw->mac_type) {
1295         case e1000_82543:
1296                 if (hw->media_type == e1000_media_type_copper) {
1297                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1298                          * Some PHY registers get corrupted at random, so
1299                          * attempt this 10 times.
1300                          */
1301                         while (e1000_nonintegrated_phy_loopback(adapter) &&
1302                               count++ < 10);
1303                         if (count < 11)
1304                                 return 0;
1305                 }
1306                 break;
1307
1308         case e1000_82544:
1309         case e1000_82540:
1310         case e1000_82545:
1311         case e1000_82545_rev_3:
1312         case e1000_82546:
1313         case e1000_82546_rev_3:
1314         case e1000_82541:
1315         case e1000_82541_rev_2:
1316         case e1000_82547:
1317         case e1000_82547_rev_2:
1318                 return e1000_integrated_phy_loopback(adapter);
1319                 break;
1320         default:
1321                 /* Default PHY loopback work is to read the MII
1322                  * control register and assert bit 14 (loopback mode).
1323                  */
1324                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1325                 phy_reg |= MII_CR_LOOPBACK;
1326                 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1327                 return 0;
1328                 break;
1329         }
1330
1331         return 8;
1332 }
1333
1334 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1335 {
1336         struct e1000_hw *hw = &adapter->hw;
1337         u32 rctl;
1338
1339         if (hw->media_type == e1000_media_type_fiber ||
1340             hw->media_type == e1000_media_type_internal_serdes) {
1341                 switch (hw->mac_type) {
1342                 case e1000_82545:
1343                 case e1000_82546:
1344                 case e1000_82545_rev_3:
1345                 case e1000_82546_rev_3:
1346                         return e1000_set_phy_loopback(adapter);
1347                         break;
1348                 default:
1349                         rctl = er32(RCTL);
1350                         rctl |= E1000_RCTL_LBM_TCVR;
1351                         ew32(RCTL, rctl);
1352                         return 0;
1353                 }
1354         } else if (hw->media_type == e1000_media_type_copper)
1355                 return e1000_set_phy_loopback(adapter);
1356
1357         return 7;
1358 }
1359
1360 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1361 {
1362         struct e1000_hw *hw = &adapter->hw;
1363         u32 rctl;
1364         u16 phy_reg;
1365
1366         rctl = er32(RCTL);
1367         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1368         ew32(RCTL, rctl);
1369
1370         switch (hw->mac_type) {
1371         case e1000_82545:
1372         case e1000_82546:
1373         case e1000_82545_rev_3:
1374         case e1000_82546_rev_3:
1375         default:
1376                 hw->autoneg = true;
1377                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1378                 if (phy_reg & MII_CR_LOOPBACK) {
1379                         phy_reg &= ~MII_CR_LOOPBACK;
1380                         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1381                         e1000_phy_reset(hw);
1382                 }
1383                 break;
1384         }
1385 }
1386
1387 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1388                                       unsigned int frame_size)
1389 {
1390         memset(skb->data, 0xFF, frame_size);
1391         frame_size &= ~1;
1392         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1393         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1394         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1395 }
1396
1397 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1398                                     unsigned int frame_size)
1399 {
1400         frame_size &= ~1;
1401         if (*(skb->data + 3) == 0xFF) {
1402                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1403                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1404                         return 0;
1405                 }
1406         }
1407         return 13;
1408 }
1409
1410 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1411 {
1412         struct e1000_hw *hw = &adapter->hw;
1413         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1414         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1415         struct pci_dev *pdev = adapter->pdev;
1416         int i, j, k, l, lc, good_cnt, ret_val=0;
1417         unsigned long time;
1418
1419         ew32(RDT, rxdr->count - 1);
1420
1421         /* Calculate the loop count based on the largest descriptor ring
1422          * The idea is to wrap the largest ring a number of times using 64
1423          * send/receive pairs during each loop
1424          */
1425
1426         if (rxdr->count <= txdr->count)
1427                 lc = ((txdr->count / 64) * 2) + 1;
1428         else
1429                 lc = ((rxdr->count / 64) * 2) + 1;
1430
1431         k = l = 0;
1432         for (j = 0; j <= lc; j++) { /* loop count loop */
1433                 for (i = 0; i < 64; i++) { /* send the packets */
1434                         e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1435                                         1024);
1436                         dma_sync_single_for_device(&pdev->dev,
1437                                                    txdr->buffer_info[k].dma,
1438                                                    txdr->buffer_info[k].length,
1439                                                    DMA_TO_DEVICE);
1440                         if (unlikely(++k == txdr->count)) k = 0;
1441                 }
1442                 ew32(TDT, k);
1443                 E1000_WRITE_FLUSH();
1444                 msleep(200);
1445                 time = jiffies; /* set the start time for the receive */
1446                 good_cnt = 0;
1447                 do { /* receive the sent packets */
1448                         dma_sync_single_for_cpu(&pdev->dev,
1449                                                 rxdr->buffer_info[l].dma,
1450                                                 rxdr->buffer_info[l].length,
1451                                                 DMA_FROM_DEVICE);
1452
1453                         ret_val = e1000_check_lbtest_frame(
1454                                         rxdr->buffer_info[l].skb,
1455                                         1024);
1456                         if (!ret_val)
1457                                 good_cnt++;
1458                         if (unlikely(++l == rxdr->count)) l = 0;
1459                         /* time + 20 msecs (200 msecs on 2.4) is more than
1460                          * enough time to complete the receives, if it's
1461                          * exceeded, break and error off
1462                          */
1463                 } while (good_cnt < 64 && jiffies < (time + 20));
1464                 if (good_cnt != 64) {
1465                         ret_val = 13; /* ret_val is the same as mis-compare */
1466                         break;
1467                 }
1468                 if (jiffies >= (time + 2)) {
1469                         ret_val = 14; /* error code for time out error */
1470                         break;
1471                 }
1472         } /* end loop count loop */
1473         return ret_val;
1474 }
1475
1476 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1477 {
1478         *data = e1000_setup_desc_rings(adapter);
1479         if (*data)
1480                 goto out;
1481         *data = e1000_setup_loopback_test(adapter);
1482         if (*data)
1483                 goto err_loopback;
1484         *data = e1000_run_loopback_test(adapter);
1485         e1000_loopback_cleanup(adapter);
1486
1487 err_loopback:
1488         e1000_free_desc_rings(adapter);
1489 out:
1490         return *data;
1491 }
1492
1493 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1494 {
1495         struct e1000_hw *hw = &adapter->hw;
1496         *data = 0;
1497         if (hw->media_type == e1000_media_type_internal_serdes) {
1498                 int i = 0;
1499                 hw->serdes_has_link = false;
1500
1501                 /* On some blade server designs, link establishment
1502                  * could take as long as 2-3 minutes
1503                  */
1504                 do {
1505                         e1000_check_for_link(hw);
1506                         if (hw->serdes_has_link)
1507                                 return *data;
1508                         msleep(20);
1509                 } while (i++ < 3750);
1510
1511                 *data = 1;
1512         } else {
1513                 e1000_check_for_link(hw);
1514                 if (hw->autoneg)  /* if auto_neg is set wait for it */
1515                         msleep(4000);
1516
1517                 if (!(er32(STATUS) & E1000_STATUS_LU)) {
1518                         *data = 1;
1519                 }
1520         }
1521         return *data;
1522 }
1523
1524 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1525 {
1526         switch (sset) {
1527         case ETH_SS_TEST:
1528                 return E1000_TEST_LEN;
1529         case ETH_SS_STATS:
1530                 return E1000_STATS_LEN;
1531         default:
1532                 return -EOPNOTSUPP;
1533         }
1534 }
1535
1536 static void e1000_diag_test(struct net_device *netdev,
1537                             struct ethtool_test *eth_test, u64 *data)
1538 {
1539         struct e1000_adapter *adapter = netdev_priv(netdev);
1540         struct e1000_hw *hw = &adapter->hw;
1541         bool if_running = netif_running(netdev);
1542
1543         set_bit(__E1000_TESTING, &adapter->flags);
1544         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1545                 /* Offline tests */
1546
1547                 /* save speed, duplex, autoneg settings */
1548                 u16 autoneg_advertised = hw->autoneg_advertised;
1549                 u8 forced_speed_duplex = hw->forced_speed_duplex;
1550                 u8 autoneg = hw->autoneg;
1551
1552                 e_info(hw, "offline testing starting\n");
1553
1554                 /* Link test performed before hardware reset so autoneg doesn't
1555                  * interfere with test result
1556                  */
1557                 if (e1000_link_test(adapter, &data[4]))
1558                         eth_test->flags |= ETH_TEST_FL_FAILED;
1559
1560                 if (if_running)
1561                         /* indicate we're in test mode */
1562                         dev_close(netdev);
1563                 else
1564                         e1000_reset(adapter);
1565
1566                 if (e1000_reg_test(adapter, &data[0]))
1567                         eth_test->flags |= ETH_TEST_FL_FAILED;
1568
1569                 e1000_reset(adapter);
1570                 if (e1000_eeprom_test(adapter, &data[1]))
1571                         eth_test->flags |= ETH_TEST_FL_FAILED;
1572
1573                 e1000_reset(adapter);
1574                 if (e1000_intr_test(adapter, &data[2]))
1575                         eth_test->flags |= ETH_TEST_FL_FAILED;
1576
1577                 e1000_reset(adapter);
1578                 /* make sure the phy is powered up */
1579                 e1000_power_up_phy(adapter);
1580                 if (e1000_loopback_test(adapter, &data[3]))
1581                         eth_test->flags |= ETH_TEST_FL_FAILED;
1582
1583                 /* restore speed, duplex, autoneg settings */
1584                 hw->autoneg_advertised = autoneg_advertised;
1585                 hw->forced_speed_duplex = forced_speed_duplex;
1586                 hw->autoneg = autoneg;
1587
1588                 e1000_reset(adapter);
1589                 clear_bit(__E1000_TESTING, &adapter->flags);
1590                 if (if_running)
1591                         dev_open(netdev);
1592         } else {
1593                 e_info(hw, "online testing starting\n");
1594                 /* Online tests */
1595                 if (e1000_link_test(adapter, &data[4]))
1596                         eth_test->flags |= ETH_TEST_FL_FAILED;
1597
1598                 /* Online tests aren't run; pass by default */
1599                 data[0] = 0;
1600                 data[1] = 0;
1601                 data[2] = 0;
1602                 data[3] = 0;
1603
1604                 clear_bit(__E1000_TESTING, &adapter->flags);
1605         }
1606         msleep_interruptible(4 * 1000);
1607 }
1608
1609 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1610                                struct ethtool_wolinfo *wol)
1611 {
1612         struct e1000_hw *hw = &adapter->hw;
1613         int retval = 1; /* fail by default */
1614
1615         switch (hw->device_id) {
1616         case E1000_DEV_ID_82542:
1617         case E1000_DEV_ID_82543GC_FIBER:
1618         case E1000_DEV_ID_82543GC_COPPER:
1619         case E1000_DEV_ID_82544EI_FIBER:
1620         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1621         case E1000_DEV_ID_82545EM_FIBER:
1622         case E1000_DEV_ID_82545EM_COPPER:
1623         case E1000_DEV_ID_82546GB_QUAD_COPPER:
1624         case E1000_DEV_ID_82546GB_PCIE:
1625                 /* these don't support WoL at all */
1626                 wol->supported = 0;
1627                 break;
1628         case E1000_DEV_ID_82546EB_FIBER:
1629         case E1000_DEV_ID_82546GB_FIBER:
1630                 /* Wake events not supported on port B */
1631                 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1632                         wol->supported = 0;
1633                         break;
1634                 }
1635                 /* return success for non excluded adapter ports */
1636                 retval = 0;
1637                 break;
1638         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1639                 /* quad port adapters only support WoL on port A */
1640                 if (!adapter->quad_port_a) {
1641                         wol->supported = 0;
1642                         break;
1643                 }
1644                 /* return success for non excluded adapter ports */
1645                 retval = 0;
1646                 break;
1647         default:
1648                 /* dual port cards only support WoL on port A from now on
1649                  * unless it was enabled in the eeprom for port B
1650                  * so exclude FUNC_1 ports from having WoL enabled
1651                  */
1652                 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1653                     !adapter->eeprom_wol) {
1654                         wol->supported = 0;
1655                         break;
1656                 }
1657
1658                 retval = 0;
1659         }
1660
1661         return retval;
1662 }
1663
1664 static void e1000_get_wol(struct net_device *netdev,
1665                           struct ethtool_wolinfo *wol)
1666 {
1667         struct e1000_adapter *adapter = netdev_priv(netdev);
1668         struct e1000_hw *hw = &adapter->hw;
1669
1670         wol->supported = WAKE_UCAST | WAKE_MCAST |
1671                          WAKE_BCAST | WAKE_MAGIC;
1672         wol->wolopts = 0;
1673
1674         /* this function will set ->supported = 0 and return 1 if wol is not
1675          * supported by this hardware
1676          */
1677         if (e1000_wol_exclusion(adapter, wol) ||
1678             !device_can_wakeup(&adapter->pdev->dev))
1679                 return;
1680
1681         /* apply any specific unsupported masks here */
1682         switch (hw->device_id) {
1683         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1684                 /* KSP3 does not support UCAST wake-ups */
1685                 wol->supported &= ~WAKE_UCAST;
1686
1687                 if (adapter->wol & E1000_WUFC_EX)
1688                         e_err(drv, "Interface does not support directed "
1689                               "(unicast) frame wake-up packets\n");
1690                 break;
1691         default:
1692                 break;
1693         }
1694
1695         if (adapter->wol & E1000_WUFC_EX)
1696                 wol->wolopts |= WAKE_UCAST;
1697         if (adapter->wol & E1000_WUFC_MC)
1698                 wol->wolopts |= WAKE_MCAST;
1699         if (adapter->wol & E1000_WUFC_BC)
1700                 wol->wolopts |= WAKE_BCAST;
1701         if (adapter->wol & E1000_WUFC_MAG)
1702                 wol->wolopts |= WAKE_MAGIC;
1703 }
1704
1705 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1706 {
1707         struct e1000_adapter *adapter = netdev_priv(netdev);
1708         struct e1000_hw *hw = &adapter->hw;
1709
1710         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1711                 return -EOPNOTSUPP;
1712
1713         if (e1000_wol_exclusion(adapter, wol) ||
1714             !device_can_wakeup(&adapter->pdev->dev))
1715                 return wol->wolopts ? -EOPNOTSUPP : 0;
1716
1717         switch (hw->device_id) {
1718         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1719                 if (wol->wolopts & WAKE_UCAST) {
1720                         e_err(drv, "Interface does not support directed "
1721                               "(unicast) frame wake-up packets\n");
1722                         return -EOPNOTSUPP;
1723                 }
1724                 break;
1725         default:
1726                 break;
1727         }
1728
1729         /* these settings will always override what we currently have */
1730         adapter->wol = 0;
1731
1732         if (wol->wolopts & WAKE_UCAST)
1733                 adapter->wol |= E1000_WUFC_EX;
1734         if (wol->wolopts & WAKE_MCAST)
1735                 adapter->wol |= E1000_WUFC_MC;
1736         if (wol->wolopts & WAKE_BCAST)
1737                 adapter->wol |= E1000_WUFC_BC;
1738         if (wol->wolopts & WAKE_MAGIC)
1739                 adapter->wol |= E1000_WUFC_MAG;
1740
1741         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1742
1743         return 0;
1744 }
1745
1746 static int e1000_set_phys_id(struct net_device *netdev,
1747                              enum ethtool_phys_id_state state)
1748 {
1749         struct e1000_adapter *adapter = netdev_priv(netdev);
1750         struct e1000_hw *hw = &adapter->hw;
1751
1752         switch (state) {
1753         case ETHTOOL_ID_ACTIVE:
1754                 e1000_setup_led(hw);
1755                 return 2;
1756
1757         case ETHTOOL_ID_ON:
1758                 e1000_led_on(hw);
1759                 break;
1760
1761         case ETHTOOL_ID_OFF:
1762                 e1000_led_off(hw);
1763                 break;
1764
1765         case ETHTOOL_ID_INACTIVE:
1766                 e1000_cleanup_led(hw);
1767         }
1768
1769         return 0;
1770 }
1771
1772 static int e1000_get_coalesce(struct net_device *netdev,
1773                               struct ethtool_coalesce *ec)
1774 {
1775         struct e1000_adapter *adapter = netdev_priv(netdev);
1776
1777         if (adapter->hw.mac_type < e1000_82545)
1778                 return -EOPNOTSUPP;
1779
1780         if (adapter->itr_setting <= 4)
1781                 ec->rx_coalesce_usecs = adapter->itr_setting;
1782         else
1783                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1784
1785         return 0;
1786 }
1787
1788 static int e1000_set_coalesce(struct net_device *netdev,
1789                               struct ethtool_coalesce *ec)
1790 {
1791         struct e1000_adapter *adapter = netdev_priv(netdev);
1792         struct e1000_hw *hw = &adapter->hw;
1793
1794         if (hw->mac_type < e1000_82545)
1795                 return -EOPNOTSUPP;
1796
1797         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1798             ((ec->rx_coalesce_usecs > 4) &&
1799              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1800             (ec->rx_coalesce_usecs == 2))
1801                 return -EINVAL;
1802
1803         if (ec->rx_coalesce_usecs == 4) {
1804                 adapter->itr = adapter->itr_setting = 4;
1805         } else if (ec->rx_coalesce_usecs <= 3) {
1806                 adapter->itr = 20000;
1807                 adapter->itr_setting = ec->rx_coalesce_usecs;
1808         } else {
1809                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1810                 adapter->itr_setting = adapter->itr & ~3;
1811         }
1812
1813         if (adapter->itr_setting != 0)
1814                 ew32(ITR, 1000000000 / (adapter->itr * 256));
1815         else
1816                 ew32(ITR, 0);
1817
1818         return 0;
1819 }
1820
1821 static int e1000_nway_reset(struct net_device *netdev)
1822 {
1823         struct e1000_adapter *adapter = netdev_priv(netdev);
1824         if (netif_running(netdev))
1825                 e1000_reinit_locked(adapter);
1826         return 0;
1827 }
1828
1829 static void e1000_get_ethtool_stats(struct net_device *netdev,
1830                                     struct ethtool_stats *stats, u64 *data)
1831 {
1832         struct e1000_adapter *adapter = netdev_priv(netdev);
1833         int i;
1834         char *p = NULL;
1835
1836         e1000_update_stats(adapter);
1837         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1838                 switch (e1000_gstrings_stats[i].type) {
1839                 case NETDEV_STATS:
1840                         p = (char *) netdev +
1841                                         e1000_gstrings_stats[i].stat_offset;
1842                         break;
1843                 case E1000_STATS:
1844                         p = (char *) adapter +
1845                                         e1000_gstrings_stats[i].stat_offset;
1846                         break;
1847                 }
1848
1849                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1850                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1851         }
1852 /* BUG_ON(i != E1000_STATS_LEN); */
1853 }
1854
1855 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1856                               u8 *data)
1857 {
1858         u8 *p = data;
1859         int i;
1860
1861         switch (stringset) {
1862         case ETH_SS_TEST:
1863                 memcpy(data, *e1000_gstrings_test,
1864                         sizeof(e1000_gstrings_test));
1865                 break;
1866         case ETH_SS_STATS:
1867                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1868                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1869                                ETH_GSTRING_LEN);
1870                         p += ETH_GSTRING_LEN;
1871                 }
1872                 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1873                 break;
1874         }
1875 }
1876
1877 static const struct ethtool_ops e1000_ethtool_ops = {
1878         .get_settings           = e1000_get_settings,
1879         .set_settings           = e1000_set_settings,
1880         .get_drvinfo            = e1000_get_drvinfo,
1881         .get_regs_len           = e1000_get_regs_len,
1882         .get_regs               = e1000_get_regs,
1883         .get_wol                = e1000_get_wol,
1884         .set_wol                = e1000_set_wol,
1885         .get_msglevel           = e1000_get_msglevel,
1886         .set_msglevel           = e1000_set_msglevel,
1887         .nway_reset             = e1000_nway_reset,
1888         .get_link               = e1000_get_link,
1889         .get_eeprom_len         = e1000_get_eeprom_len,
1890         .get_eeprom             = e1000_get_eeprom,
1891         .set_eeprom             = e1000_set_eeprom,
1892         .get_ringparam          = e1000_get_ringparam,
1893         .set_ringparam          = e1000_set_ringparam,
1894         .get_pauseparam         = e1000_get_pauseparam,
1895         .set_pauseparam         = e1000_set_pauseparam,
1896         .self_test              = e1000_diag_test,
1897         .get_strings            = e1000_get_strings,
1898         .set_phys_id            = e1000_set_phys_id,
1899         .get_ethtool_stats      = e1000_get_ethtool_stats,
1900         .get_sset_count         = e1000_get_sset_count,
1901         .get_coalesce           = e1000_get_coalesce,
1902         .set_coalesce           = e1000_set_coalesce,
1903         .get_ts_info            = ethtool_op_get_ts_info,
1904 };
1905
1906 void e1000_set_ethtool_ops(struct net_device *netdev)
1907 {
1908         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1909 }