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

   1 /*******************************************************************************
   2
   3   Intel PRO/1000 Linux driver
   4   Copyright(c) 1999 - 2006 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   Linux NICS <linux.nics@intel.com>
  24   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 /* ethtool support for e1000 */
  30
  31 #include "e1000.h"
  32 #include <asm/uaccess.h>
  33
  34 enum {NETDEV_STATS, E1000_STATS};
  35
  36 struct e1000_stats {
  37         char stat_string[ETH_GSTRING_LEN];
  38         int type;
  39         int sizeof_stat;
  40         int stat_offset;
  41 };
  42
  43 #define E1000_STAT(m)           E1000_STATS, \
  44                                 sizeof(((struct e1000_adapter *)0)->m), \
  45                                 offsetof(struct e1000_adapter, m)
  46 #define E1000_NETDEV_STAT(m)    NETDEV_STATS, \
  47                                 sizeof(((struct net_device *)0)->m), \
  48                                 offsetof(struct net_device, m)
  49
  50 static const struct e1000_stats e1000_gstrings_stats[] = {
  51         { "rx_packets", E1000_STAT(stats.gprc) },
  52         { "tx_packets", E1000_STAT(stats.gptc) },
  53         { "rx_bytes", E1000_STAT(stats.gorcl) },
  54         { "tx_bytes", E1000_STAT(stats.gotcl) },
  55         { "rx_broadcast", E1000_STAT(stats.bprc) },
  56         { "tx_broadcast", E1000_STAT(stats.bptc) },
  57         { "rx_multicast", E1000_STAT(stats.mprc) },
  58         { "tx_multicast", E1000_STAT(stats.mptc) },
  59         { "rx_errors", E1000_STAT(stats.rxerrc) },
  60         { "tx_errors", E1000_STAT(stats.txerrc) },
  61         { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
  62         { "multicast", E1000_STAT(stats.mprc) },
  63         { "collisions", E1000_STAT(stats.colc) },
  64         { "rx_length_errors", E1000_STAT(stats.rlerrc) },
  65         { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
  66         { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
  67         { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
  68         { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
  69         { "rx_missed_errors", E1000_STAT(stats.mpc) },
  70         { "tx_aborted_errors", E1000_STAT(stats.ecol) },
  71         { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
  72         { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
  73         { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
  74         { "tx_window_errors", E1000_STAT(stats.latecol) },
  75         { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
  76         { "tx_deferred_ok", E1000_STAT(stats.dc) },
  77         { "tx_single_coll_ok", E1000_STAT(stats.scc) },
  78         { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
  79         { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
  80         { "tx_restart_queue", E1000_STAT(restart_queue) },
  81         { "rx_long_length_errors", E1000_STAT(stats.roc) },
  82         { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  83         { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  84         { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  85         { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  86         { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  87         { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  88         { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  89         { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  90         { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
  91         { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  92         { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
  93         { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
  94         { "tx_smbus", E1000_STAT(stats.mgptc) },
  95         { "rx_smbus", E1000_STAT(stats.mgprc) },
  96         { "dropped_smbus", E1000_STAT(stats.mgpdc) },
  97 };
  98
  99 #define E1000_QUEUE_STATS_LEN 0
 100 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
 101 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
 102 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 103         "Register test  (offline)", "Eeprom test    (offline)",
 104         "Interrupt test (offline)", "Loopback test  (offline)",
 105         "Link test   (on/offline)"
 106 };
 107 #define E1000_TEST_LEN  ARRAY_SIZE(e1000_gstrings_test)
 108
 109 static int e1000_get_settings(struct net_device *netdev,
 110                               struct ethtool_cmd *ecmd)
 111 {
 112         struct e1000_adapter *adapter = netdev_priv(netdev);
 113         struct e1000_hw *hw = &adapter->hw;
 114
 115         if (hw->media_type == e1000_media_type_copper) {
 116
 117                 ecmd->supported = (SUPPORTED_10baseT_Half |
 118                                    SUPPORTED_10baseT_Full |
 119                                    SUPPORTED_100baseT_Half |
 120                                    SUPPORTED_100baseT_Full |
 121                                    SUPPORTED_1000baseT_Full|
 122                                    SUPPORTED_Autoneg |
 123                                    SUPPORTED_TP);
 124                 ecmd->advertising = ADVERTISED_TP;
 125
 126                 if (hw->autoneg == 1) {
 127                         ecmd->advertising |= ADVERTISED_Autoneg;
 128                         /* the e1000 autoneg seems to match ethtool nicely */
 129                         ecmd->advertising |= hw->autoneg_advertised;
 130                 }
 131
 132                 ecmd->port = PORT_TP;
 133                 ecmd->phy_address = hw->phy_addr;
 134
 135                 if (hw->mac_type == e1000_82543)
 136                         ecmd->transceiver = XCVR_EXTERNAL;
 137                 else
 138                         ecmd->transceiver = XCVR_INTERNAL;
 139
 140         } else {
 141                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 142                                      SUPPORTED_FIBRE |
 143                                      SUPPORTED_Autoneg);
 144
 145                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 146                                      ADVERTISED_FIBRE |
 147                                      ADVERTISED_Autoneg);
 148
 149                 ecmd->port = PORT_FIBRE;
 150
 151                 if (hw->mac_type >= e1000_82545)
 152                         ecmd->transceiver = XCVR_INTERNAL;
 153                 else
 154                         ecmd->transceiver = XCVR_EXTERNAL;
 155         }
 156
 157         if (er32(STATUS) & E1000_STATUS_LU) {
 158
 159                 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
 160                                                    &adapter->link_duplex);
 161                 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
 162
 163                 /* unfortunately FULL_DUPLEX != DUPLEX_FULL
 164                  * and HALF_DUPLEX != DUPLEX_HALF
 165                  */
 166                 if (adapter->link_duplex == FULL_DUPLEX)
 167                         ecmd->duplex = DUPLEX_FULL;
 168                 else
 169                         ecmd->duplex = DUPLEX_HALF;
 170         } else {
 171                 ethtool_cmd_speed_set(ecmd, -1);
 172                 ecmd->duplex = -1;
 173         }
 174
 175         ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
 176                          hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 177
 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);
1024         if (!txdr->desc) {
1025                 ret_val = 2;
1026                 goto err_nomem;
1027         }
1028         memset(txdr->desc, 0, txdr->size);
1029         txdr->next_to_use = txdr->next_to_clean = 0;
1030
1031         ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1032         ew32(TDBAH, ((u64)txdr->dma >> 32));
1033         ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1034         ew32(TDH, 0);
1035         ew32(TDT, 0);
1036         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1037              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1038              E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1039
1040         for (i = 0; i < txdr->count; i++) {
1041                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1042                 struct sk_buff *skb;
1043                 unsigned int size = 1024;
1044
1045                 skb = alloc_skb(size, GFP_KERNEL);
1046                 if (!skb) {
1047                         ret_val = 3;
1048                         goto err_nomem;
1049                 }
1050                 skb_put(skb, size);
1051                 txdr->buffer_info[i].skb = skb;
1052                 txdr->buffer_info[i].length = skb->len;
1053                 txdr->buffer_info[i].dma =
1054                         dma_map_single(&pdev->dev, skb->data, skb->len,
1055                                        DMA_TO_DEVICE);
1056                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1057                 tx_desc->lower.data = cpu_to_le32(skb->len);
1058                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1059                                                    E1000_TXD_CMD_IFCS |
1060                                                    E1000_TXD_CMD_RPS);
1061                 tx_desc->upper.data = 0;
1062         }
1063
1064         /* Setup Rx descriptor ring and Rx buffers */
1065
1066         if (!rxdr->count)
1067                 rxdr->count = E1000_DEFAULT_RXD;
1068
1069         rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
1070                                     GFP_KERNEL);
1071         if (!rxdr->buffer_info) {
1072                 ret_val = 4;
1073                 goto err_nomem;
1074         }
1075
1076         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1077         rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1078                                         GFP_KERNEL);
1079         if (!rxdr->desc) {
1080                 ret_val = 5;
1081                 goto err_nomem;
1082         }
1083         memset(rxdr->desc, 0, rxdr->size);
1084         rxdr->next_to_use = rxdr->next_to_clean = 0;
1085
1086         rctl = er32(RCTL);
1087         ew32(RCTL, rctl & ~E1000_RCTL_EN);
1088         ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1089         ew32(RDBAH, ((u64)rxdr->dma >> 32));
1090         ew32(RDLEN, rxdr->size);
1091         ew32(RDH, 0);
1092         ew32(RDT, 0);
1093         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1094                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1095                 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1096         ew32(RCTL, rctl);
1097
1098         for (i = 0; i < rxdr->count; i++) {
1099                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1100                 struct sk_buff *skb;
1101
1102                 skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1103                 if (!skb) {
1104                         ret_val = 6;
1105                         goto err_nomem;
1106                 }
1107                 skb_reserve(skb, NET_IP_ALIGN);
1108                 rxdr->buffer_info[i].skb = skb;
1109                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1110                 rxdr->buffer_info[i].dma =
1111                         dma_map_single(&pdev->dev, skb->data,
1112                                        E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1113                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1114                 memset(skb->data, 0x00, skb->len);
1115         }
1116
1117         return 0;
1118
1119 err_nomem:
1120         e1000_free_desc_rings(adapter);
1121         return ret_val;
1122 }
1123
1124 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1125 {
1126         struct e1000_hw *hw = &adapter->hw;
1127
1128         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1129         e1000_write_phy_reg(hw, 29, 0x001F);
1130         e1000_write_phy_reg(hw, 30, 0x8FFC);
1131         e1000_write_phy_reg(hw, 29, 0x001A);
1132         e1000_write_phy_reg(hw, 30, 0x8FF0);
1133 }
1134
1135 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1136 {
1137         struct e1000_hw *hw = &adapter->hw;
1138         u16 phy_reg;
1139
1140         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1141          * Extended PHY Specific Control Register to 25MHz clock.  This
1142          * value defaults back to a 2.5MHz clock when the PHY is reset.
1143          */
1144         e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1145         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1146         e1000_write_phy_reg(hw,
1147                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1148
1149         /* In addition, because of the s/w reset above, we need to enable
1150          * CRS on TX.  This must be set for both full and half duplex
1151          * operation.
1152          */
1153         e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1154         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1155         e1000_write_phy_reg(hw,
1156                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1157 }
1158
1159 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1160 {
1161         struct e1000_hw *hw = &adapter->hw;
1162         u32 ctrl_reg;
1163         u16 phy_reg;
1164
1165         /* Setup the Device Control Register for PHY loopback test. */
1166
1167         ctrl_reg = er32(CTRL);
1168         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1169                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1170                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1171                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1172                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1173
1174         ew32(CTRL, ctrl_reg);
1175
1176         /* Read the PHY Specific Control Register (0x10) */
1177         e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1178
1179         /* Clear Auto-Crossover bits in PHY Specific Control Register
1180          * (bits 6:5).
1181          */
1182         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1183         e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1184
1185         /* Perform software reset on the PHY */
1186         e1000_phy_reset(hw);
1187
1188         /* Have to setup TX_CLK and TX_CRS after software reset */
1189         e1000_phy_reset_clk_and_crs(adapter);
1190
1191         e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1192
1193         /* Wait for reset to complete. */
1194         udelay(500);
1195
1196         /* Have to setup TX_CLK and TX_CRS after software reset */
1197         e1000_phy_reset_clk_and_crs(adapter);
1198
1199         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1200         e1000_phy_disable_receiver(adapter);
1201
1202         /* Set the loopback bit in the PHY control register. */
1203         e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1204         phy_reg |= MII_CR_LOOPBACK;
1205         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1206
1207         /* Setup TX_CLK and TX_CRS one more time. */
1208         e1000_phy_reset_clk_and_crs(adapter);
1209
1210         /* Check Phy Configuration */
1211         e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1212         if (phy_reg != 0x4100)
1213                  return 9;
1214
1215         e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1216         if (phy_reg != 0x0070)
1217                 return 10;
1218
1219         e1000_read_phy_reg(hw, 29, &phy_reg);
1220         if (phy_reg != 0x001A)
1221                 return 11;
1222
1223         return 0;
1224 }
1225
1226 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1227 {
1228         struct e1000_hw *hw = &adapter->hw;
1229         u32 ctrl_reg = 0;
1230         u32 stat_reg = 0;
1231
1232         hw->autoneg = false;
1233
1234         if (hw->phy_type == e1000_phy_m88) {
1235                 /* Auto-MDI/MDIX Off */
1236                 e1000_write_phy_reg(hw,
1237                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1238                 /* reset to update Auto-MDI/MDIX */
1239                 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1240                 /* autoneg off */
1241                 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1242         }
1243
1244         ctrl_reg = er32(CTRL);
1245
1246         /* force 1000, set loopback */
1247         e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1248
1249         /* Now set up the MAC to the same speed/duplex as the PHY. */
1250         ctrl_reg = er32(CTRL);
1251         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1252         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1253                         E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1254                         E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1255                         E1000_CTRL_FD); /* Force Duplex to FULL */
1256
1257         if (hw->media_type == e1000_media_type_copper &&
1258            hw->phy_type == e1000_phy_m88)
1259                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1260         else {
1261                 /* Set the ILOS bit on the fiber Nic is half
1262                  * duplex link is detected.
1263                  */
1264                 stat_reg = er32(STATUS);
1265                 if ((stat_reg & E1000_STATUS_FD) == 0)
1266                         ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1267         }
1268
1269         ew32(CTRL, ctrl_reg);
1270
1271         /* Disable the receiver on the PHY so when a cable is plugged in, the
1272          * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1273          */
1274         if (hw->phy_type == e1000_phy_m88)
1275                 e1000_phy_disable_receiver(adapter);
1276
1277         udelay(500);
1278
1279         return 0;
1280 }
1281
1282 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1283 {
1284         struct e1000_hw *hw = &adapter->hw;
1285         u16 phy_reg = 0;
1286         u16 count = 0;
1287
1288         switch (hw->mac_type) {
1289         case e1000_82543:
1290                 if (hw->media_type == e1000_media_type_copper) {
1291                         /* Attempt to setup Loopback mode on Non-integrated PHY.
1292                          * Some PHY registers get corrupted at random, so
1293                          * attempt this 10 times.
1294                          */
1295                         while (e1000_nonintegrated_phy_loopback(adapter) &&
1296                               count++ < 10);
1297                         if (count < 11)
1298                                 return 0;
1299                 }
1300                 break;
1301
1302         case e1000_82544:
1303         case e1000_82540:
1304         case e1000_82545:
1305         case e1000_82545_rev_3:
1306         case e1000_82546:
1307         case e1000_82546_rev_3:
1308         case e1000_82541:
1309         case e1000_82541_rev_2:
1310         case e1000_82547:
1311         case e1000_82547_rev_2:
1312                 return e1000_integrated_phy_loopback(adapter);
1313                 break;
1314         default:
1315                 /* Default PHY loopback work is to read the MII
1316                  * control register and assert bit 14 (loopback mode).
1317                  */
1318                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1319                 phy_reg |= MII_CR_LOOPBACK;
1320                 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1321                 return 0;
1322                 break;
1323         }
1324
1325         return 8;
1326 }
1327
1328 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1329 {
1330         struct e1000_hw *hw = &adapter->hw;
1331         u32 rctl;
1332
1333         if (hw->media_type == e1000_media_type_fiber ||
1334             hw->media_type == e1000_media_type_internal_serdes) {
1335                 switch (hw->mac_type) {
1336                 case e1000_82545:
1337                 case e1000_82546:
1338                 case e1000_82545_rev_3:
1339                 case e1000_82546_rev_3:
1340                         return e1000_set_phy_loopback(adapter);
1341                         break;
1342                 default:
1343                         rctl = er32(RCTL);
1344                         rctl |= E1000_RCTL_LBM_TCVR;
1345                         ew32(RCTL, rctl);
1346                         return 0;
1347                 }
1348         } else if (hw->media_type == e1000_media_type_copper)
1349                 return e1000_set_phy_loopback(adapter);
1350
1351         return 7;
1352 }
1353
1354 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1355 {
1356         struct e1000_hw *hw = &adapter->hw;
1357         u32 rctl;
1358         u16 phy_reg;
1359
1360         rctl = er32(RCTL);
1361         rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1362         ew32(RCTL, rctl);
1363
1364         switch (hw->mac_type) {
1365         case e1000_82545:
1366         case e1000_82546:
1367         case e1000_82545_rev_3:
1368         case e1000_82546_rev_3:
1369         default:
1370                 hw->autoneg = true;
1371                 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1372                 if (phy_reg & MII_CR_LOOPBACK) {
1373                         phy_reg &= ~MII_CR_LOOPBACK;
1374                         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1375                         e1000_phy_reset(hw);
1376                 }
1377                 break;
1378         }
1379 }
1380
1381 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1382                                       unsigned int frame_size)
1383 {
1384         memset(skb->data, 0xFF, frame_size);
1385         frame_size &= ~1;
1386         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1387         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1388         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1389 }
1390
1391 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1392                                     unsigned int frame_size)
1393 {
1394         frame_size &= ~1;
1395         if (*(skb->data + 3) == 0xFF) {
1396                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1397                    (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1398                         return 0;
1399                 }
1400         }
1401         return 13;
1402 }
1403
1404 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1405 {
1406         struct e1000_hw *hw = &adapter->hw;
1407         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1408         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1409         struct pci_dev *pdev = adapter->pdev;
1410         int i, j, k, l, lc, good_cnt, ret_val=0;
1411         unsigned long time;
1412
1413         ew32(RDT, rxdr->count - 1);
1414
1415         /* Calculate the loop count based on the largest descriptor ring
1416          * The idea is to wrap the largest ring a number of times using 64
1417          * send/receive pairs during each loop
1418          */
1419
1420         if (rxdr->count <= txdr->count)
1421                 lc = ((txdr->count / 64) * 2) + 1;
1422         else
1423                 lc = ((rxdr->count / 64) * 2) + 1;
1424
1425         k = l = 0;
1426         for (j = 0; j <= lc; j++) { /* loop count loop */
1427                 for (i = 0; i < 64; i++) { /* send the packets */
1428                         e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1429                                         1024);
1430                         dma_sync_single_for_device(&pdev->dev,
1431                                                    txdr->buffer_info[k].dma,
1432                                                    txdr->buffer_info[k].length,
1433                                                    DMA_TO_DEVICE);
1434                         if (unlikely(++k == txdr->count)) k = 0;
1435                 }
1436                 ew32(TDT, k);
1437                 E1000_WRITE_FLUSH();
1438                 msleep(200);
1439                 time = jiffies; /* set the start time for the receive */
1440                 good_cnt = 0;
1441                 do { /* receive the sent packets */
1442                         dma_sync_single_for_cpu(&pdev->dev,
1443                                                 rxdr->buffer_info[l].dma,
1444                                                 rxdr->buffer_info[l].length,
1445                                                 DMA_FROM_DEVICE);
1446
1447                         ret_val = e1000_check_lbtest_frame(
1448                                         rxdr->buffer_info[l].skb,
1449                                         1024);
1450                         if (!ret_val)
1451                                 good_cnt++;
1452                         if (unlikely(++l == rxdr->count)) l = 0;
1453                         /* time + 20 msecs (200 msecs on 2.4) is more than
1454                          * enough time to complete the receives, if it's
1455                          * exceeded, break and error off
1456                          */
1457                 } while (good_cnt < 64 && jiffies < (time + 20));
1458                 if (good_cnt != 64) {
1459                         ret_val = 13; /* ret_val is the same as mis-compare */
1460                         break;
1461                 }
1462                 if (jiffies >= (time + 2)) {
1463                         ret_val = 14; /* error code for time out error */
1464                         break;
1465                 }
1466         } /* end loop count loop */
1467         return ret_val;
1468 }
1469
1470 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1471 {
1472         *data = e1000_setup_desc_rings(adapter);
1473         if (*data)
1474                 goto out;
1475         *data = e1000_setup_loopback_test(adapter);
1476         if (*data)
1477                 goto err_loopback;
1478         *data = e1000_run_loopback_test(adapter);
1479         e1000_loopback_cleanup(adapter);
1480
1481 err_loopback:
1482         e1000_free_desc_rings(adapter);
1483 out:
1484         return *data;
1485 }
1486
1487 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1488 {
1489         struct e1000_hw *hw = &adapter->hw;
1490         *data = 0;
1491         if (hw->media_type == e1000_media_type_internal_serdes) {
1492                 int i = 0;
1493                 hw->serdes_has_link = false;
1494
1495                 /* On some blade server designs, link establishment
1496                  * could take as long as 2-3 minutes
1497                  */
1498                 do {
1499                         e1000_check_for_link(hw);
1500                         if (hw->serdes_has_link)
1501                                 return *data;
1502                         msleep(20);
1503                 } while (i++ < 3750);
1504
1505                 *data = 1;
1506         } else {
1507                 e1000_check_for_link(hw);
1508                 if (hw->autoneg)  /* if auto_neg is set wait for it */
1509                         msleep(4000);
1510
1511                 if (!(er32(STATUS) & E1000_STATUS_LU)) {
1512                         *data = 1;
1513                 }
1514         }
1515         return *data;
1516 }
1517
1518 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1519 {
1520         switch (sset) {
1521         case ETH_SS_TEST:
1522                 return E1000_TEST_LEN;
1523         case ETH_SS_STATS:
1524                 return E1000_STATS_LEN;
1525         default:
1526                 return -EOPNOTSUPP;
1527         }
1528 }
1529
1530 static void e1000_diag_test(struct net_device *netdev,
1531                             struct ethtool_test *eth_test, u64 *data)
1532 {
1533         struct e1000_adapter *adapter = netdev_priv(netdev);
1534         struct e1000_hw *hw = &adapter->hw;
1535         bool if_running = netif_running(netdev);
1536
1537         set_bit(__E1000_TESTING, &adapter->flags);
1538         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1539                 /* Offline tests */
1540
1541                 /* save speed, duplex, autoneg settings */
1542                 u16 autoneg_advertised = hw->autoneg_advertised;
1543                 u8 forced_speed_duplex = hw->forced_speed_duplex;
1544                 u8 autoneg = hw->autoneg;
1545
1546                 e_info(hw, "offline testing starting\n");
1547
1548                 /* Link test performed before hardware reset so autoneg doesn't
1549                  * interfere with test result
1550                  */
1551                 if (e1000_link_test(adapter, &data[4]))
1552                         eth_test->flags |= ETH_TEST_FL_FAILED;
1553
1554                 if (if_running)
1555                         /* indicate we're in test mode */
1556                         dev_close(netdev);
1557                 else
1558                         e1000_reset(adapter);
1559
1560                 if (e1000_reg_test(adapter, &data[0]))
1561                         eth_test->flags |= ETH_TEST_FL_FAILED;
1562
1563                 e1000_reset(adapter);
1564                 if (e1000_eeprom_test(adapter, &data[1]))
1565                         eth_test->flags |= ETH_TEST_FL_FAILED;
1566
1567                 e1000_reset(adapter);
1568                 if (e1000_intr_test(adapter, &data[2]))
1569                         eth_test->flags |= ETH_TEST_FL_FAILED;
1570
1571                 e1000_reset(adapter);
1572                 /* make sure the phy is powered up */
1573                 e1000_power_up_phy(adapter);
1574                 if (e1000_loopback_test(adapter, &data[3]))
1575                         eth_test->flags |= ETH_TEST_FL_FAILED;
1576
1577                 /* restore speed, duplex, autoneg settings */
1578                 hw->autoneg_advertised = autoneg_advertised;
1579                 hw->forced_speed_duplex = forced_speed_duplex;
1580                 hw->autoneg = autoneg;
1581
1582                 e1000_reset(adapter);
1583                 clear_bit(__E1000_TESTING, &adapter->flags);
1584                 if (if_running)
1585                         dev_open(netdev);
1586         } else {
1587                 e_info(hw, "online testing starting\n");
1588                 /* Online tests */
1589                 if (e1000_link_test(adapter, &data[4]))
1590                         eth_test->flags |= ETH_TEST_FL_FAILED;
1591
1592                 /* Online tests aren't run; pass by default */
1593                 data[0] = 0;
1594                 data[1] = 0;
1595                 data[2] = 0;
1596                 data[3] = 0;
1597
1598                 clear_bit(__E1000_TESTING, &adapter->flags);
1599         }
1600         msleep_interruptible(4 * 1000);
1601 }
1602
1603 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1604                                struct ethtool_wolinfo *wol)
1605 {
1606         struct e1000_hw *hw = &adapter->hw;
1607         int retval = 1; /* fail by default */
1608
1609         switch (hw->device_id) {
1610         case E1000_DEV_ID_82542:
1611         case E1000_DEV_ID_82543GC_FIBER:
1612         case E1000_DEV_ID_82543GC_COPPER:
1613         case E1000_DEV_ID_82544EI_FIBER:
1614         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1615         case E1000_DEV_ID_82545EM_FIBER:
1616         case E1000_DEV_ID_82545EM_COPPER:
1617         case E1000_DEV_ID_82546GB_QUAD_COPPER:
1618         case E1000_DEV_ID_82546GB_PCIE:
1619                 /* these don't support WoL at all */
1620                 wol->supported = 0;
1621                 break;
1622         case E1000_DEV_ID_82546EB_FIBER:
1623         case E1000_DEV_ID_82546GB_FIBER:
1624                 /* Wake events not supported on port B */
1625                 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1626                         wol->supported = 0;
1627                         break;
1628                 }
1629                 /* return success for non excluded adapter ports */
1630                 retval = 0;
1631                 break;
1632         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1633                 /* quad port adapters only support WoL on port A */
1634                 if (!adapter->quad_port_a) {
1635                         wol->supported = 0;
1636                         break;
1637                 }
1638                 /* return success for non excluded adapter ports */
1639                 retval = 0;
1640                 break;
1641         default:
1642                 /* dual port cards only support WoL on port A from now on
1643                  * unless it was enabled in the eeprom for port B
1644                  * so exclude FUNC_1 ports from having WoL enabled
1645                  */
1646                 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1647                     !adapter->eeprom_wol) {
1648                         wol->supported = 0;
1649                         break;
1650                 }
1651
1652                 retval = 0;
1653         }
1654
1655         return retval;
1656 }
1657
1658 static void e1000_get_wol(struct net_device *netdev,
1659                           struct ethtool_wolinfo *wol)
1660 {
1661         struct e1000_adapter *adapter = netdev_priv(netdev);
1662         struct e1000_hw *hw = &adapter->hw;
1663
1664         wol->supported = WAKE_UCAST | WAKE_MCAST |
1665                          WAKE_BCAST | WAKE_MAGIC;
1666         wol->wolopts = 0;
1667
1668         /* this function will set ->supported = 0 and return 1 if wol is not
1669          * supported by this hardware
1670          */
1671         if (e1000_wol_exclusion(adapter, wol) ||
1672             !device_can_wakeup(&adapter->pdev->dev))
1673                 return;
1674
1675         /* apply any specific unsupported masks here */
1676         switch (hw->device_id) {
1677         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1678                 /* KSP3 does not support UCAST wake-ups */
1679                 wol->supported &= ~WAKE_UCAST;
1680
1681                 if (adapter->wol & E1000_WUFC_EX)
1682                         e_err(drv, "Interface does not support directed "
1683                               "(unicast) frame wake-up packets\n");
1684                 break;
1685         default:
1686                 break;
1687         }
1688
1689         if (adapter->wol & E1000_WUFC_EX)
1690                 wol->wolopts |= WAKE_UCAST;
1691         if (adapter->wol & E1000_WUFC_MC)
1692                 wol->wolopts |= WAKE_MCAST;
1693         if (adapter->wol & E1000_WUFC_BC)
1694                 wol->wolopts |= WAKE_BCAST;
1695         if (adapter->wol & E1000_WUFC_MAG)
1696                 wol->wolopts |= WAKE_MAGIC;
1697 }
1698
1699 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1700 {
1701         struct e1000_adapter *adapter = netdev_priv(netdev);
1702         struct e1000_hw *hw = &adapter->hw;
1703
1704         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1705                 return -EOPNOTSUPP;
1706
1707         if (e1000_wol_exclusion(adapter, wol) ||
1708             !device_can_wakeup(&adapter->pdev->dev))
1709                 return wol->wolopts ? -EOPNOTSUPP : 0;
1710
1711         switch (hw->device_id) {
1712         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1713                 if (wol->wolopts & WAKE_UCAST) {
1714                         e_err(drv, "Interface does not support directed "
1715                               "(unicast) frame wake-up packets\n");
1716                         return -EOPNOTSUPP;
1717                 }
1718                 break;
1719         default:
1720                 break;
1721         }
1722
1723         /* these settings will always override what we currently have */
1724         adapter->wol = 0;
1725
1726         if (wol->wolopts & WAKE_UCAST)
1727                 adapter->wol |= E1000_WUFC_EX;
1728         if (wol->wolopts & WAKE_MCAST)
1729                 adapter->wol |= E1000_WUFC_MC;
1730         if (wol->wolopts & WAKE_BCAST)
1731                 adapter->wol |= E1000_WUFC_BC;
1732         if (wol->wolopts & WAKE_MAGIC)
1733                 adapter->wol |= E1000_WUFC_MAG;
1734
1735         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1736
1737         return 0;
1738 }
1739
1740 static int e1000_set_phys_id(struct net_device *netdev,
1741                              enum ethtool_phys_id_state state)
1742 {
1743         struct e1000_adapter *adapter = netdev_priv(netdev);
1744         struct e1000_hw *hw = &adapter->hw;
1745
1746         switch (state) {
1747         case ETHTOOL_ID_ACTIVE:
1748                 e1000_setup_led(hw);
1749                 return 2;
1750
1751         case ETHTOOL_ID_ON:
1752                 e1000_led_on(hw);
1753                 break;
1754
1755         case ETHTOOL_ID_OFF:
1756                 e1000_led_off(hw);
1757                 break;
1758
1759         case ETHTOOL_ID_INACTIVE:
1760                 e1000_cleanup_led(hw);
1761         }
1762
1763         return 0;
1764 }
1765
1766 static int e1000_get_coalesce(struct net_device *netdev,
1767                               struct ethtool_coalesce *ec)
1768 {
1769         struct e1000_adapter *adapter = netdev_priv(netdev);
1770
1771         if (adapter->hw.mac_type < e1000_82545)
1772                 return -EOPNOTSUPP;
1773
1774         if (adapter->itr_setting <= 4)
1775                 ec->rx_coalesce_usecs = adapter->itr_setting;
1776         else
1777                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1778
1779         return 0;
1780 }
1781
1782 static int e1000_set_coalesce(struct net_device *netdev,
1783                               struct ethtool_coalesce *ec)
1784 {
1785         struct e1000_adapter *adapter = netdev_priv(netdev);
1786         struct e1000_hw *hw = &adapter->hw;
1787
1788         if (hw->mac_type < e1000_82545)
1789                 return -EOPNOTSUPP;
1790
1791         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1792             ((ec->rx_coalesce_usecs > 4) &&
1793              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1794             (ec->rx_coalesce_usecs == 2))
1795                 return -EINVAL;
1796
1797         if (ec->rx_coalesce_usecs == 4) {
1798                 adapter->itr = adapter->itr_setting = 4;
1799         } else if (ec->rx_coalesce_usecs <= 3) {
1800                 adapter->itr = 20000;
1801                 adapter->itr_setting = ec->rx_coalesce_usecs;
1802         } else {
1803                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1804                 adapter->itr_setting = adapter->itr & ~3;
1805         }
1806
1807         if (adapter->itr_setting != 0)
1808                 ew32(ITR, 1000000000 / (adapter->itr * 256));
1809         else
1810                 ew32(ITR, 0);
1811
1812         return 0;
1813 }
1814
1815 static int e1000_nway_reset(struct net_device *netdev)
1816 {
1817         struct e1000_adapter *adapter = netdev_priv(netdev);
1818         if (netif_running(netdev))
1819                 e1000_reinit_locked(adapter);
1820         return 0;
1821 }
1822
1823 static void e1000_get_ethtool_stats(struct net_device *netdev,
1824                                     struct ethtool_stats *stats, u64 *data)
1825 {
1826         struct e1000_adapter *adapter = netdev_priv(netdev);
1827         int i;
1828         char *p = NULL;
1829
1830         e1000_update_stats(adapter);
1831         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1832                 switch (e1000_gstrings_stats[i].type) {
1833                 case NETDEV_STATS:
1834                         p = (char *) netdev +
1835                                         e1000_gstrings_stats[i].stat_offset;
1836                         break;
1837                 case E1000_STATS:
1838                         p = (char *) adapter +
1839                                         e1000_gstrings_stats[i].stat_offset;
1840                         break;
1841                 }
1842
1843                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1844                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1845         }
1846 /* BUG_ON(i != E1000_STATS_LEN); */
1847 }
1848
1849 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1850                               u8 *data)
1851 {
1852         u8 *p = data;
1853         int i;
1854
1855         switch (stringset) {
1856         case ETH_SS_TEST:
1857                 memcpy(data, *e1000_gstrings_test,
1858                         sizeof(e1000_gstrings_test));
1859                 break;
1860         case ETH_SS_STATS:
1861                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1862                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1863                                ETH_GSTRING_LEN);
1864                         p += ETH_GSTRING_LEN;
1865                 }
1866                 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1867                 break;
1868         }
1869 }
1870
1871 static const struct ethtool_ops e1000_ethtool_ops = {
1872         .get_settings           = e1000_get_settings,
1873         .set_settings           = e1000_set_settings,
1874         .get_drvinfo            = e1000_get_drvinfo,
1875         .get_regs_len           = e1000_get_regs_len,
1876         .get_regs               = e1000_get_regs,
1877         .get_wol                = e1000_get_wol,
1878         .set_wol                = e1000_set_wol,
1879         .get_msglevel           = e1000_get_msglevel,
1880         .set_msglevel           = e1000_set_msglevel,
1881         .nway_reset             = e1000_nway_reset,
1882         .get_link               = e1000_get_link,
1883         .get_eeprom_len         = e1000_get_eeprom_len,
1884         .get_eeprom             = e1000_get_eeprom,
1885         .set_eeprom             = e1000_set_eeprom,
1886         .get_ringparam          = e1000_get_ringparam,
1887         .set_ringparam          = e1000_set_ringparam,
1888         .get_pauseparam         = e1000_get_pauseparam,
1889         .set_pauseparam         = e1000_set_pauseparam,
1890         .self_test              = e1000_diag_test,
1891         .get_strings            = e1000_get_strings,
1892         .set_phys_id            = e1000_set_phys_id,
1893         .get_ethtool_stats      = e1000_get_ethtool_stats,
1894         .get_sset_count         = e1000_get_sset_count,
1895         .get_coalesce           = e1000_get_coalesce,
1896         .set_coalesce           = e1000_set_coalesce,
1897         .get_ts_info            = ethtool_op_get_ts_info,
1898 };
1899
1900 void e1000_set_ethtool_ops(struct net_device *netdev)
1901 {
1902         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1903 }