Pileus Git - ~andy/linux/blob - drivers/net/e1000/e1000_ethtool.c

   1 /*******************************************************************************
   2
   3   Intel PRO/1000 Linux driver
   4   Copyright(c) 1999 - 2006 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   Linux NICS <linux.nics@intel.com>
  24   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 /* ethtool support for e1000 */
  30
  31 #include "e1000.h"
  32 #include <asm/uaccess.h>
  33
  34 enum {NETDEV_STATS, E1000_STATS};
  35
  36 struct e1000_stats {
  37         char stat_string[ETH_GSTRING_LEN];
  38         int type;
  39         int sizeof_stat;
  40         int stat_offset;
  41 };
  42
  43 #define E1000_STAT(m)           E1000_STATS, \
  44                                 sizeof(((struct e1000_adapter *)0)->m), \
  45                                 offsetof(struct e1000_adapter, m)
  46 #define E1000_NETDEV_STAT(m)    NETDEV_STATS, \
  47                                 sizeof(((struct net_device *)0)->m), \
  48                                 offsetof(struct net_device, m)
  49
  50 static const struct e1000_stats e1000_gstrings_stats[] = {
  51         { "rx_packets", E1000_STAT(stats.gprc) },
  52         { "tx_packets", E1000_STAT(stats.gptc) },
  53         { "rx_bytes", E1000_STAT(stats.gorcl) },
  54         { "tx_bytes", E1000_STAT(stats.gotcl) },
  55         { "rx_broadcast", E1000_STAT(stats.bprc) },
  56         { "tx_broadcast", E1000_STAT(stats.bptc) },
  57         { "rx_multicast", E1000_STAT(stats.mprc) },
  58         { "tx_multicast", E1000_STAT(stats.mptc) },
  59         { "rx_errors", E1000_STAT(stats.rxerrc) },
  60         { "tx_errors", E1000_STAT(stats.txerrc) },
  61         { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
  62         { "multicast", E1000_STAT(stats.mprc) },
  63         { "collisions", E1000_STAT(stats.colc) },
  64         { "rx_length_errors", E1000_STAT(stats.rlerrc) },
  65         { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
  66         { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
  67         { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
  68         { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
  69         { "rx_missed_errors", E1000_STAT(stats.mpc) },
  70         { "tx_aborted_errors", E1000_STAT(stats.ecol) },
  71         { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
  72         { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
  73         { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
  74         { "tx_window_errors", E1000_STAT(stats.latecol) },
  75         { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
  76         { "tx_deferred_ok", E1000_STAT(stats.dc) },
  77         { "tx_single_coll_ok", E1000_STAT(stats.scc) },
  78         { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
  79         { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
  80         { "tx_restart_queue", E1000_STAT(restart_queue) },
  81         { "rx_long_length_errors", E1000_STAT(stats.roc) },
  82         { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  83         { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  84         { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  85         { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  86         { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  87         { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  88         { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  89         { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  90         { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
  91         { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  92         { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
  93         { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
  94         { "tx_smbus", E1000_STAT(stats.mgptc) },
  95         { "rx_smbus", E1000_STAT(stats.mgprc) },
  96         { "dropped_smbus", E1000_STAT(stats.mgpdc) },
  97 };
  98
  99 #define E1000_QUEUE_STATS_LEN 0
 100 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
 101 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
 102 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 103         "Register test  (offline)", "Eeprom test    (offline)",
 104         "Interrupt test (offline)", "Loopback test  (offline)",
 105         "Link test   (on/offline)"
 106 };
 107 #define E1000_TEST_LEN  ARRAY_SIZE(e1000_gstrings_test)
 108
 109 static int e1000_get_settings(struct net_device *netdev,
 110                               struct ethtool_cmd *ecmd)
 111 {
 112         struct e1000_adapter *adapter = netdev_priv(netdev);
 113         struct e1000_hw *hw = &adapter->hw;
 114
 115         if (hw->media_type == e1000_media_type_copper) {
 116
 117                 ecmd->supported = (SUPPORTED_10baseT_Half |
 118                                    SUPPORTED_10baseT_Full |
 119                                    SUPPORTED_100baseT_Half |
 120                                    SUPPORTED_100baseT_Full |
 121                                    SUPPORTED_1000baseT_Full|
 122                                    SUPPORTED_Autoneg |
 123                                    SUPPORTED_TP);
 124                 ecmd->advertising = ADVERTISED_TP;
 125
 126                 if (hw->autoneg == 1) {
 127                         ecmd->advertising |= ADVERTISED_Autoneg;
 128                         /* the e1000 autoneg seems to match ethtool nicely */
 129                         ecmd->advertising |= hw->autoneg_advertised;
 130                 }
 131
 132                 ecmd->port = PORT_TP;
 133                 ecmd->phy_address = hw->phy_addr;
 134
 135                 if (hw->mac_type == e1000_82543)
 136                         ecmd->transceiver = XCVR_EXTERNAL;
 137                 else
 138                         ecmd->transceiver = XCVR_INTERNAL;
 139
 140         } else {
 141                 ecmd->supported   = (SUPPORTED_1000baseT_Full |
 142                                      SUPPORTED_FIBRE |
 143                                      SUPPORTED_Autoneg);
 144
 145                 ecmd->advertising = (ADVERTISED_1000baseT_Full |
 146                                      ADVERTISED_FIBRE |
 147                                      ADVERTISED_Autoneg);
 148
 149                 ecmd->port = PORT_FIBRE;
 150
 151                 if (hw->mac_type >= e1000_82545)
 152                         ecmd->transceiver = XCVR_INTERNAL;
 153                 else
 154                         ecmd->transceiver = XCVR_EXTERNAL;
 155         }
 156
 157         if (er32(STATUS) & E1000_STATUS_LU) {
 158
 159                 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
 160                                                    &adapter->link_duplex);
 161                 ecmd->speed = adapter->link_speed;
 162
 163                 /* unfortunatly 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                 ecmd->speed = -1;
 172                 ecmd->duplex = -1;
 173         }
 174
 175         ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
 176                          hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 177         return 0;
 178 }
 179
 180 static int e1000_set_settings(struct net_device *netdev,
 181                               struct ethtool_cmd *ecmd)
 182 {
 183         struct e1000_adapter *adapter = netdev_priv(netdev);
 184         struct e1000_hw *hw = &adapter->hw;
 185
 186         while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 187                 msleep(1);
 188
 189         if (ecmd->autoneg == AUTONEG_ENABLE) {
 190                 hw->autoneg = 1;
 191                 if (hw->media_type == e1000_media_type_fiber)
 192                         hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
 193                                      ADVERTISED_FIBRE |
 194                                      ADVERTISED_Autoneg;
 195                 else
 196                         hw->autoneg_advertised = ecmd->advertising |
 197                                                  ADVERTISED_TP |
 198                                                  ADVERTISED_Autoneg;
 199                 ecmd->advertising = hw->autoneg_advertised;
 200         } else
 201                 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
 202                         clear_bit(__E1000_RESETTING, &adapter->flags);
 203                         return -EINVAL;
 204                 }
 205
 206         /* reset the link */
 207
 208         if (netif_running(adapter->netdev)) {
 209                 e1000_down(adapter);
 210                 e1000_up(adapter);
 211         } else
 212                 e1000_reset(adapter);
 213
 214         clear_bit(__E1000_RESETTING, &adapter->flags);
 215         return 0;
 216 }
 217
 218 static void e1000_get_pauseparam(struct net_device *netdev,
 219                                  struct ethtool_pauseparam *pause)
 220 {
 221         struct e1000_adapter *adapter = netdev_priv(netdev);
 222         struct e1000_hw *hw = &adapter->hw;
 223
 224         pause->autoneg =
 225                 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 226
 227         if (hw->fc == E1000_FC_RX_PAUSE)
 228                 pause->rx_pause = 1;
 229         else if (hw->fc == E1000_FC_TX_PAUSE)
 230                 pause->tx_pause = 1;
 231         else if (hw->fc == E1000_FC_FULL) {
 232                 pause->rx_pause = 1;
 233                 pause->tx_pause = 1;
 234         }
 235 }
 236
 237 static int e1000_set_pauseparam(struct net_device *netdev,
 238                                 struct ethtool_pauseparam *pause)
 239 {
 240         struct e1000_adapter *adapter = netdev_priv(netdev);
 241         struct e1000_hw *hw = &adapter->hw;
 242         int retval = 0;
 243
 244         adapter->fc_autoneg = pause->autoneg;
 245
 246         while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 247                 msleep(1);
 248
 249         if (pause->rx_pause && pause->tx_pause)
 250                 hw->fc = E1000_FC_FULL;
 251         else if (pause->rx_pause && !pause->tx_pause)
 252                 hw->fc = E1000_FC_RX_PAUSE;
 253         else if (!pause->rx_pause && pause->tx_pause)
 254                 hw->fc = E1000_FC_TX_PAUSE;
 255         else if (!pause->rx_pause && !pause->tx_pause)
 256                 hw->fc = E1000_FC_NONE;
 257
 258         hw->original_fc = hw->fc;
 259
 260         if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 261                 if (netif_running(adapter->netdev)) {
 262                         e1000_down(adapter);
 263                         e1000_up(adapter);
 264                 } else
 265                         e1000_reset(adapter);
 266         } else
 267                 retval = ((hw->media_type == e1000_media_type_fiber) ?
 268                           e1000_setup_link(hw) : e1000_force_mac_fc(hw));
 269
 270         clear_bit(__E1000_RESETTING, &adapter->flags);
 271         return retval;
 272 }
 273
 274 static u32 e1000_get_rx_csum(struct net_device *netdev)
 275 {
 276         struct e1000_adapter *adapter = netdev_priv(netdev);
 277         return adapter->rx_csum;
 278 }
 279
 280 static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
 281 {
 282         struct e1000_adapter *adapter = netdev_priv(netdev);
 283         adapter->rx_csum = data;
 284
 285         if (netif_running(netdev))
 286                 e1000_reinit_locked(adapter);
 287         else
 288                 e1000_reset(adapter);
 289         return 0;
 290 }
 291
 292 static u32 e1000_get_tx_csum(struct net_device *netdev)
 293 {
 294         return (netdev->features & NETIF_F_HW_CSUM) != 0;
 295 }
 296
 297 static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
 298 {
 299         struct e1000_adapter *adapter = netdev_priv(netdev);
 300         struct e1000_hw *hw = &adapter->hw;
 301
 302         if (hw->mac_type < e1000_82543) {
 303                 if (!data)
 304                         return -EINVAL;
 305                 return 0;
 306         }
 307
 308         if (data)
 309                 netdev->features |= NETIF_F_HW_CSUM;
 310         else
 311                 netdev->features &= ~NETIF_F_HW_CSUM;
 312
 313         return 0;
 314 }
 315
 316 static int e1000_set_tso(struct net_device *netdev, u32 data)
 317 {
 318         struct e1000_adapter *adapter = netdev_priv(netdev);
 319         struct e1000_hw *hw = &adapter->hw;
 320
 321         if ((hw->mac_type < e1000_82544) ||
 322             (hw->mac_type == e1000_82547))
 323                 return data ? -EINVAL : 0;
 324
 325         if (data)
 326                 netdev->features |= NETIF_F_TSO;
 327         else
 328                 netdev->features &= ~NETIF_F_TSO;
 329
 330         netdev->features &= ~NETIF_F_TSO6;
 331
 332         DPRINTK(PROBE, INFO, "TSO is %s\n", data ? "Enabled" : "Disabled");
 333         adapter->tso_force = true;
 334         return 0;
 335 }
 336
 337 static u32 e1000_get_msglevel(struct net_device *netdev)
 338 {
 339         struct e1000_adapter *adapter = netdev_priv(netdev);
 340         return adapter->msg_enable;
 341 }
 342
 343 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 344 {
 345         struct e1000_adapter *adapter = netdev_priv(netdev);
 346         adapter->msg_enable = data;
 347 }
 348
 349 static int e1000_get_regs_len(struct net_device *netdev)
 350 {
 351 #define E1000_REGS_LEN 32
 352         return E1000_REGS_LEN * sizeof(u32);
 353 }
 354
 355 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
 356                            void *p)
 357 {
 358         struct e1000_adapter *adapter = netdev_priv(netdev);
 359         struct e1000_hw *hw = &adapter->hw;
 360         u32 *regs_buff = p;
 361         u16 phy_data;
 362
 363         memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 364
 365         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 366
 367         regs_buff[0]  = er32(CTRL);
 368         regs_buff[1]  = er32(STATUS);
 369
 370         regs_buff[2]  = er32(RCTL);
 371         regs_buff[3]  = er32(RDLEN);
 372         regs_buff[4]  = er32(RDH);
 373         regs_buff[5]  = er32(RDT);
 374         regs_buff[6]  = er32(RDTR);
 375
 376         regs_buff[7]  = er32(TCTL);
 377         regs_buff[8]  = er32(TDLEN);
 378         regs_buff[9]  = er32(TDH);
 379         regs_buff[10] = er32(TDT);
 380         regs_buff[11] = er32(TIDV);
 381
 382         regs_buff[12] = hw->phy_type;  /* PHY type (IGP=1, M88=0) */
 383         if (hw->phy_type == e1000_phy_igp) {
 384                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 385                                     IGP01E1000_PHY_AGC_A);
 386                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
 387                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 388                 regs_buff[13] = (u32)phy_data; /* cable length */
 389                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 390                                     IGP01E1000_PHY_AGC_B);
 391                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
 392                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 393                 regs_buff[14] = (u32)phy_data; /* cable length */
 394                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 395                                     IGP01E1000_PHY_AGC_C);
 396                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
 397                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 398                 regs_buff[15] = (u32)phy_data; /* cable length */
 399                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 400                                     IGP01E1000_PHY_AGC_D);
 401                 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
 402                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 403                 regs_buff[16] = (u32)phy_data; /* cable length */
 404                 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
 405                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 406                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
 407                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 408                 regs_buff[18] = (u32)phy_data; /* cable polarity */
 409                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
 410                                     IGP01E1000_PHY_PCS_INIT_REG);
 411                 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
 412                                    IGP01E1000_PHY_PAGE_SELECT, &phy_data);
 413                 regs_buff[19] = (u32)phy_data; /* cable polarity */
 414                 regs_buff[20] = 0; /* polarity correction enabled (always) */
 415                 regs_buff[22] = 0; /* phy receive errors (unavailable) */
 416                 regs_buff[23] = regs_buff[18]; /* mdix mode */
 417                 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
 418         } else {
 419                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 420                 regs_buff[13] = (u32)phy_data; /* cable length */
 421                 regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 422                 regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 423                 regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 424                 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 425                 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 426                 regs_buff[18] = regs_buff[13]; /* cable polarity */
 427                 regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 428                 regs_buff[20] = regs_buff[17]; /* polarity correction */
 429                 /* phy receive errors */
 430                 regs_buff[22] = adapter->phy_stats.receive_errors;
 431                 regs_buff[23] = regs_buff[13]; /* mdix mode */
 432         }
 433         regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
 434         e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
 435         regs_buff[24] = (u32)phy_data;  /* phy local receiver status */
 436         regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
 437         if (hw->mac_type >= e1000_82540 &&
 438             hw->media_type == e1000_media_type_copper) {
 439                 regs_buff[26] = er32(MANC);
 440         }
 441 }
 442
 443 static int e1000_get_eeprom_len(struct net_device *netdev)
 444 {
 445         struct e1000_adapter *adapter = netdev_priv(netdev);
 446         struct e1000_hw *hw = &adapter->hw;
 447
 448         return hw->eeprom.word_size * 2;
 449 }
 450
 451 static int e1000_get_eeprom(struct net_device *netdev,
 452                             struct ethtool_eeprom *eeprom, u8 *bytes)
 453 {
 454         struct e1000_adapter *adapter = netdev_priv(netdev);
 455         struct e1000_hw *hw = &adapter->hw;
 456         u16 *eeprom_buff;
 457         int first_word, last_word;
 458         int ret_val = 0;
 459         u16 i;
 460
 461         if (eeprom->len == 0)
 462                 return -EINVAL;
 463
 464         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 465
 466         first_word = eeprom->offset >> 1;
 467         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 468
 469         eeprom_buff = kmalloc(sizeof(u16) *
 470                         (last_word - first_word + 1), GFP_KERNEL);
 471         if (!eeprom_buff)
 472                 return -ENOMEM;
 473
 474         if (hw->eeprom.type == e1000_eeprom_spi)
 475                 ret_val = e1000_read_eeprom(hw, first_word,
 476                                             last_word - first_word + 1,
 477                                             eeprom_buff);
 478         else {
 479                 for (i = 0; i < last_word - first_word + 1; i++) {
 480                         ret_val = e1000_read_eeprom(hw, first_word + i, 1,
 481                                                     &eeprom_buff[i]);
 482                         if (ret_val)
 483                                 break;
 484                 }
 485         }
 486
 487         /* Device's eeprom is always little-endian, word addressable */
 488         for (i = 0; i < last_word - first_word + 1; i++)
 489                 le16_to_cpus(&eeprom_buff[i]);
 490
 491         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
 492                         eeprom->len);
 493         kfree(eeprom_buff);
 494
 495         return ret_val;
 496 }
 497
 498 static int e1000_set_eeprom(struct net_device *netdev,
 499                             struct ethtool_eeprom *eeprom, u8 *bytes)
 500 {
 501         struct e1000_adapter *adapter = netdev_priv(netdev);
 502         struct e1000_hw *hw = &adapter->hw;
 503         u16 *eeprom_buff;
 504         void *ptr;
 505         int max_len, first_word, last_word, ret_val = 0;
 506         u16 i;
 507
 508         if (eeprom->len == 0)
 509                 return -EOPNOTSUPP;
 510
 511         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 512                 return -EFAULT;
 513
 514         max_len = hw->eeprom.word_size * 2;
 515
 516         first_word = eeprom->offset >> 1;
 517         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 518         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 519         if (!eeprom_buff)
 520                 return -ENOMEM;
 521
 522         ptr = (void *)eeprom_buff;
 523
 524         if (eeprom->offset & 1) {
 525                 /* need read/modify/write of first changed EEPROM word */
 526                 /* only the second byte of the word is being modified */
 527                 ret_val = e1000_read_eeprom(hw, first_word, 1,
 528                                             &eeprom_buff[0]);
 529                 ptr++;
 530         }
 531         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 532                 /* need read/modify/write of last changed EEPROM word */
 533                 /* only the first byte of the word is being modified */
 534                 ret_val = e1000_read_eeprom(hw, last_word, 1,
 535                                   &eeprom_buff[last_word - first_word]);
 536         }
 537
 538         /* Device's eeprom is always little-endian, word addressable */
 539         for (i = 0; i < last_word - first_word + 1; i++)
 540                 le16_to_cpus(&eeprom_buff[i]);
 541
 542         memcpy(ptr, bytes, eeprom->len);
 543
 544         for (i = 0; i < last_word - first_word + 1; i++)
 545                 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 546
 547         ret_val = e1000_write_eeprom(hw, first_word,
 548                                      last_word - first_word + 1, eeprom_buff);
 549
 550         /* Update the checksum over the first part of the EEPROM if needed */
 551         if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
 552                 e1000_update_eeprom_checksum(hw);
 553
 554         kfree(eeprom_buff);
 555         return ret_val;
 556 }
 557
 558 static void e1000_get_drvinfo(struct net_device *netdev,
 559                               struct ethtool_drvinfo *drvinfo)
 560 {
 561         struct e1000_adapter *adapter = netdev_priv(netdev);
 562         char firmware_version[32];
 563
 564         strncpy(drvinfo->driver,  e1000_driver_name, 32);
 565         strncpy(drvinfo->version, e1000_driver_version, 32);
 566
 567         sprintf(firmware_version, "N/A");
 568         strncpy(drvinfo->fw_version, firmware_version, 32);
 569         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 570         drvinfo->regdump_len = e1000_get_regs_len(netdev);
 571         drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 572 }
 573
 574 static void e1000_get_ringparam(struct net_device *netdev,
 575                                 struct ethtool_ringparam *ring)
 576 {
 577         struct e1000_adapter *adapter = netdev_priv(netdev);
 578         struct e1000_hw *hw = &adapter->hw;
 579         e1000_mac_type mac_type = hw->mac_type;
 580         struct e1000_tx_ring *txdr = adapter->tx_ring;
 581         struct e1000_rx_ring *rxdr = adapter->rx_ring;
 582
 583         ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 584                 E1000_MAX_82544_RXD;
 585         ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 586                 E1000_MAX_82544_TXD;
 587         ring->rx_mini_max_pending = 0;
 588         ring->rx_jumbo_max_pending = 0;
 589         ring->rx_pending = rxdr->count;
 590         ring->tx_pending = txdr->count;
 591         ring->rx_mini_pending = 0;
 592         ring->rx_jumbo_pending = 0;
 593 }
 594
 595 static int e1000_set_ringparam(struct net_device *netdev,
 596                                struct ethtool_ringparam *ring)
 597 {
 598         struct e1000_adapter *adapter = netdev_priv(netdev);
 599         struct e1000_hw *hw = &adapter->hw;
 600         e1000_mac_type mac_type = hw->mac_type;
 601         struct e1000_tx_ring *txdr, *tx_old;
 602         struct e1000_rx_ring *rxdr, *rx_old;
 603         int i, err;
 604
 605         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 606                 return -EINVAL;
 607
 608         while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 609                 msleep(1);
 610
 611         if (netif_running(adapter->netdev))
 612                 e1000_down(adapter);
 613
 614         tx_old = adapter->tx_ring;
 615         rx_old = adapter->rx_ring;
 616
 617         err = -ENOMEM;
 618         txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), GFP_KERNEL);
 619         if (!txdr)
 620                 goto err_alloc_tx;
 621
 622         rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring), GFP_KERNEL);
 623         if (!rxdr)
 624                 goto err_alloc_rx;
 625
 626         adapter->tx_ring = txdr;
 627         adapter->rx_ring = rxdr;
 628
 629         rxdr->count = max(ring->rx_pending,(u32)E1000_MIN_RXD);
 630         rxdr->count = min(rxdr->count,(u32)(mac_type < e1000_82544 ?
 631                 E1000_MAX_RXD : E1000_MAX_82544_RXD));
 632         rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 633
 634         txdr->count = max(ring->tx_pending,(u32)E1000_MIN_TXD);
 635         txdr->count = min(txdr->count,(u32)(mac_type < e1000_82544 ?
 636                 E1000_MAX_TXD : E1000_MAX_82544_TXD));
 637         txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 638
 639         for (i = 0; i < adapter->num_tx_queues; i++)
 640                 txdr[i].count = txdr->count;
 641         for (i = 0; i < adapter->num_rx_queues; i++)
 642                 rxdr[i].count = rxdr->count;
 643
 644         if (netif_running(adapter->netdev)) {
 645                 /* Try to get new resources before deleting old */
 646                 err = e1000_setup_all_rx_resources(adapter);
 647                 if (err)
 648                         goto err_setup_rx;
 649                 err = e1000_setup_all_tx_resources(adapter);
 650                 if (err)
 651                         goto err_setup_tx;
 652
 653                 /* save the new, restore the old in order to free it,
 654                  * then restore the new back again */
 655
 656                 adapter->rx_ring = rx_old;
 657                 adapter->tx_ring = tx_old;
 658                 e1000_free_all_rx_resources(adapter);
 659                 e1000_free_all_tx_resources(adapter);
 660                 kfree(tx_old);
 661                 kfree(rx_old);
 662                 adapter->rx_ring = rxdr;
 663                 adapter->tx_ring = txdr;
 664                 err = e1000_up(adapter);
 665                 if (err)
 666                         goto err_setup;
 667         }
 668
 669         clear_bit(__E1000_RESETTING, &adapter->flags);
 670         return 0;
 671 err_setup_tx:
 672         e1000_free_all_rx_resources(adapter);
 673 err_setup_rx:
 674         adapter->rx_ring = rx_old;
 675         adapter->tx_ring = tx_old;
 676         kfree(rxdr);
 677 err_alloc_rx:
 678         kfree(txdr);
 679 err_alloc_tx:
 680         e1000_up(adapter);
 681 err_setup:
 682         clear_bit(__E1000_RESETTING, &adapter->flags);
 683         return err;
 684 }
 685
 686 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
 687                              u32 mask, u32 write)
 688 {
 689         struct e1000_hw *hw = &adapter->hw;
 690         static const u32 test[] =
 691                 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
 692         u8 __iomem *address = hw->hw_addr + reg;
 693         u32 read;
 694         int i;
 695
 696         for (i = 0; i < ARRAY_SIZE(test); i++) {
 697                 writel(write & test[i], address);
 698                 read = readl(address);
 699                 if (read != (write & test[i] & mask)) {
 700                         DPRINTK(DRV, ERR, "pattern test reg %04X failed: "
 701                                 "got 0x%08X expected 0x%08X\n",
 702                                 reg, read, (write & test[i] & mask));
 703                         *data = reg;
 704                         return true;
 705                 }
 706         }
 707         return false;
 708 }
 709
 710 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
 711                               u32 mask, u32 write)
 712 {
 713         struct e1000_hw *hw = &adapter->hw;
 714         u8 __iomem *address = hw->hw_addr + reg;
 715         u32 read;
 716
 717         writel(write & mask, address);
 718         read = readl(address);
 719         if ((read & mask) != (write & mask)) {
 720                 DPRINTK(DRV, ERR, "set/check reg %04X test failed: "
 721                         "got 0x%08X expected 0x%08X\n",
 722                         reg, (read & mask), (write & mask));
 723                 *data = reg;
 724                 return true;
 725         }
 726         return false;
 727 }
 728
 729 #define REG_PATTERN_TEST(reg, mask, write)                           \
 730         do {                                                         \
 731                 if (reg_pattern_test(adapter, data,                  \
 732                              (hw->mac_type >= e1000_82543)   \
 733                              ? E1000_##reg : E1000_82542_##reg,      \
 734                              mask, write))                           \
 735                         return 1;                                    \
 736         } while (0)
 737
 738 #define REG_SET_AND_CHECK(reg, mask, write)                          \
 739         do {                                                         \
 740                 if (reg_set_and_check(adapter, data,                 \
 741                               (hw->mac_type >= e1000_82543)  \
 742                               ? E1000_##reg : E1000_82542_##reg,     \
 743                               mask, write))                          \
 744                         return 1;                                    \
 745         } while (0)
 746
 747 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 748 {
 749         u32 value, before, after;
 750         u32 i, toggle;
 751         struct e1000_hw *hw = &adapter->hw;
 752
 753         /* The status register is Read Only, so a write should fail.
 754          * Some bits that get toggled are ignored.
 755          */
 756
 757         /* there are several bits on newer hardware that are r/w */
 758         toggle = 0xFFFFF833;
 759
 760         before = er32(STATUS);
 761         value = (er32(STATUS) & toggle);
 762         ew32(STATUS, toggle);
 763         after = er32(STATUS) & toggle;
 764         if (value != after) {
 765                 DPRINTK(DRV, ERR, "failed STATUS register test got: "
 766                         "0x%08X expected: 0x%08X\n", after, value);
 767                 *data = 1;
 768                 return 1;
 769         }
 770         /* restore previous status */
 771         ew32(STATUS, before);
 772
 773         REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 774         REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 775         REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 776         REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 777
 778         REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 779         REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 780         REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 781         REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 782         REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 783         REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 784         REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 785         REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 786         REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 787         REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 788
 789         REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 790
 791         before = 0x06DFB3FE;
 792         REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
 793         REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 794
 795         if (hw->mac_type >= e1000_82543) {
 796
 797                 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
 798                 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 799                 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
 800                 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
 801                 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
 802                 value = E1000_RAR_ENTRIES;
 803                 for (i = 0; i < value; i++) {
 804                         REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
 805                                          0xFFFFFFFF);
 806                 }
 807
 808         } else {
 809
 810                 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 811                 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 812                 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 813                 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 814
 815         }
 816
 817         value = E1000_MC_TBL_SIZE;
 818         for (i = 0; i < value; i++)
 819                 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 820
 821         *data = 0;
 822         return 0;
 823 }
 824
 825 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 826 {
 827         struct e1000_hw *hw = &adapter->hw;
 828         u16 temp;
 829         u16 checksum = 0;
 830         u16 i;
 831
 832         *data = 0;
 833         /* Read and add up the contents of the EEPROM */
 834         for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 835                 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
 836                         *data = 1;
 837                         break;
 838                 }
 839                 checksum += temp;
 840         }
 841
 842         /* If Checksum is not Correct return error else test passed */
 843         if ((checksum != (u16)EEPROM_SUM) && !(*data))
 844                 *data = 2;
 845
 846         return *data;
 847 }
 848
 849 static irqreturn_t e1000_test_intr(int irq, void *data)
 850 {
 851         struct net_device *netdev = (struct net_device *)data;
 852         struct e1000_adapter *adapter = netdev_priv(netdev);
 853         struct e1000_hw *hw = &adapter->hw;
 854
 855         adapter->test_icr |= er32(ICR);
 856
 857         return IRQ_HANDLED;
 858 }
 859
 860 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 861 {
 862         struct net_device *netdev = adapter->netdev;
 863         u32 mask, i = 0;
 864         bool shared_int = true;
 865         u32 irq = adapter->pdev->irq;
 866         struct e1000_hw *hw = &adapter->hw;
 867
 868         *data = 0;
 869
 870         /* NOTE: we don't test MSI interrupts here, yet */
 871         /* Hook up test interrupt handler just for this test */
 872         if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 873                          netdev))
 874                 shared_int = false;
 875         else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
 876                  netdev->name, netdev)) {
 877                 *data = 1;
 878                 return -1;
 879         }
 880         DPRINTK(HW, INFO, "testing %s interrupt\n",
 881                 (shared_int ? "shared" : "unshared"));
 882
 883         /* Disable all the interrupts */
 884         ew32(IMC, 0xFFFFFFFF);
 885         msleep(10);
 886
 887         /* Test each interrupt */
 888         for (; i < 10; i++) {
 889
 890                 /* Interrupt to test */
 891                 mask = 1 << i;
 892
 893                 if (!shared_int) {
 894                         /* Disable the interrupt to be reported in
 895                          * the cause register and then force the same
 896                          * interrupt and see if one gets posted.  If
 897                          * an interrupt was posted to the bus, the
 898                          * test failed.
 899                          */
 900                         adapter->test_icr = 0;
 901                         ew32(IMC, mask);
 902                         ew32(ICS, mask);
 903                         msleep(10);
 904
 905                         if (adapter->test_icr & mask) {
 906                                 *data = 3;
 907                                 break;
 908                         }
 909                 }
 910
 911                 /* Enable the interrupt to be reported in
 912                  * the cause register and then force the same
 913                  * interrupt and see if one gets posted.  If
 914                  * an interrupt was not posted to the bus, the
 915                  * test failed.
 916                  */
 917                 adapter->test_icr = 0;
 918                 ew32(IMS, mask);
 919                 ew32(ICS, mask);
 920                 msleep(10);
 921
 922                 if (!(adapter->test_icr & mask)) {
 923                         *data = 4;
 924                         break;
 925                 }
 926
 927                 if (!shared_int) {
 928                         /* Disable the other interrupts to be reported in
 929                          * the cause register and then force the other
 930                          * interrupts and see if any get posted.  If
 931                          * an interrupt was posted to the bus, the
 932                          * test failed.
 933                          */
 934                         adapter->test_icr = 0;
 935                         ew32(IMC, ~mask & 0x00007FFF);
 936                         ew32(ICS, ~mask & 0x00007FFF);
 937                         msleep(10);
 938
 939                         if (adapter->test_icr) {
 940                                 *data = 5;
 941                                 break;
 942                         }
 943                 }
 944         }
 945
 946         /* Disable all the interrupts */
 947         ew32(IMC, 0xFFFFFFFF);
 948         msleep(10);
 949
 950         /* Unhook test interrupt handler */
 951         free_irq(irq, netdev);
 952
 953         return *data;
 954 }
 955
 956 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
 957 {
 958         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 959         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 960         struct pci_dev *pdev = adapter->pdev;
 961         int i;
 962
 963         if (txdr->desc && txdr->buffer_info) {
 964                 for (i = 0; i < txdr->count; i++) {
 965                         if (txdr->buffer_info[i].dma)
 966                                 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
 967                                                  txdr->buffer_info[i].length,
 968                                                  PCI_DMA_TODEVICE);
 969                         if (txdr->buffer_info[i].skb)
 970                                 dev_kfree_skb(txdr->buffer_info[i].skb);
 971                 }
 972         }
 973
 974         if (rxdr->desc && rxdr->buffer_info) {
 975                 for (i = 0; i < rxdr->count; i++) {
 976                         if (rxdr->buffer_info[i].dma)
 977                                 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
 978                                                  rxdr->buffer_info[i].length,
 979                                                  PCI_DMA_FROMDEVICE);
 980                         if (rxdr->buffer_info[i].skb)
 981                                 dev_kfree_skb(rxdr->buffer_info[i].skb);
 982                 }
 983         }
 984
 985         if (txdr->desc) {
 986                 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
 987                 txdr->desc = NULL;
 988         }
 989         if (rxdr->desc) {
 990                 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
 991                 rxdr->desc = NULL;
 992         }
 993
 994         kfree(txdr->buffer_info);
 995         txdr->buffer_info = NULL;
 996         kfree(rxdr->buffer_info);
 997         rxdr->buffer_info = NULL;
 998
 999         return;
1000 }
1001
1002 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1003 {
1004         struct e1000_hw *hw = &adapter->hw;
1005         struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1006         struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1007         struct pci_dev *pdev = adapter->pdev;
1008         u32 rctl;
1009         int i, ret_val;
1010
1011         /* Setup Tx descriptor ring and Tx buffers */
1012
1013         if (!txdr->count)
1014                 txdr->count = E1000_DEFAULT_TXD;
1015
1016         txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer),
1017                                     GFP_KERNEL);
1018         if (!txdr->buffer_info) {
1019                 ret_val = 1;
1020                 goto err_nomem;
1021         }
1022
1023         txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1024         txdr->size = ALIGN(txdr->size, 4096);
1025         txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
1026         if (!txdr->desc) {
1027                 ret_val = 2;
1028                 goto err_nomem;
1029         }
1030         memset(txdr->desc, 0, txdr->size);
1031         txdr->next_to_use = txdr->next_to_clean = 0;
1032
1033         ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1034         ew32(TDBAH, ((u64)txdr->dma >> 32));
1035         ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1036         ew32(TDH, 0);
1037         ew32(TDT, 0);
1038         ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1039              E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1040              E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1041
1042         for (i = 0; i < txdr->count; i++) {
1043                 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1044                 struct sk_buff *skb;
1045                 unsigned int size = 1024;
1046
1047                 skb = alloc_skb(size, GFP_KERNEL);
1048                 if (!skb) {
1049                         ret_val = 3;
1050                         goto err_nomem;
1051                 }
1052                 skb_put(skb, size);
1053                 txdr->buffer_info[i].skb = skb;
1054                 txdr->buffer_info[i].length = skb->len;
1055                 txdr->buffer_info[i].dma =
1056                         pci_map_single(pdev, skb->data, skb->len,
1057                                        PCI_DMA_TODEVICE);
1058                 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1059                 tx_desc->lower.data = cpu_to_le32(skb->len);
1060                 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1061                                                    E1000_TXD_CMD_IFCS |
1062                                                    E1000_TXD_CMD_RPS);
1063                 tx_desc->upper.data = 0;
1064         }
1065
1066         /* Setup Rx descriptor ring and Rx buffers */
1067
1068         if (!rxdr->count)
1069                 rxdr->count = E1000_DEFAULT_RXD;
1070
1071         rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
1072                                     GFP_KERNEL);
1073         if (!rxdr->buffer_info) {
1074                 ret_val = 4;
1075                 goto err_nomem;
1076         }
1077
1078         rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1079         rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
1080         if (!rxdr->desc) {
1081                 ret_val = 5;
1082                 goto err_nomem;
1083         }
1084         memset(rxdr->desc, 0, rxdr->size);
1085         rxdr->next_to_use = rxdr->next_to_clean = 0;
1086
1087         rctl = er32(RCTL);
1088         ew32(RCTL, rctl & ~E1000_RCTL_EN);
1089         ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1090         ew32(RDBAH, ((u64)rxdr->dma >> 32));
1091         ew32(RDLEN, rxdr->size);
1092         ew32(RDH, 0);
1093         ew32(RDT, 0);
1094         rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1095                 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1096                 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1097         ew32(RCTL, rctl);
1098
1099         for (i = 0; i < rxdr->count; i++) {
1100                 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1101                 struct sk_buff *skb;
1102
1103                 skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1104                 if (!skb) {
1105                         ret_val = 6;
1106                         goto err_nomem;
1107                 }
1108                 skb_reserve(skb, NET_IP_ALIGN);
1109                 rxdr->buffer_info[i].skb = skb;
1110                 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1111                 rxdr->buffer_info[i].dma =
1112                         pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1113                                        PCI_DMA_FROMDEVICE);
1114                 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1115                 memset(skb->data, 0x00, skb->len);
1116         }
1117
1118         return 0;
1119
1120 err_nomem:
1121         e1000_free_desc_rings(adapter);
1122         return ret_val;
1123 }
1124
1125 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1126 {
1127         struct e1000_hw *hw = &adapter->hw;
1128
1129         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1130         e1000_write_phy_reg(hw, 29, 0x001F);
1131         e1000_write_phy_reg(hw, 30, 0x8FFC);
1132         e1000_write_phy_reg(hw, 29, 0x001A);
1133         e1000_write_phy_reg(hw, 30, 0x8FF0);
1134 }
1135
1136 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1137 {
1138         struct e1000_hw *hw = &adapter->hw;
1139         u16 phy_reg;
1140
1141         /* Because we reset the PHY above, we need to re-force TX_CLK in the
1142          * Extended PHY Specific Control Register to 25MHz clock.  This
1143          * value defaults back to a 2.5MHz clock when the PHY is reset.
1144          */
1145         e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1146         phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1147         e1000_write_phy_reg(hw,
1148                 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1149
1150         /* In addition, because of the s/w reset above, we need to enable
1151          * CRS on TX.  This must be set for both full and half duplex
1152          * operation.
1153          */
1154         e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1155         phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1156         e1000_write_phy_reg(hw,
1157                 M88E1000_PHY_SPEC_CTRL, phy_reg);
1158 }
1159
1160 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1161 {
1162         struct e1000_hw *hw = &adapter->hw;
1163         u32 ctrl_reg;
1164         u16 phy_reg;
1165
1166         /* Setup the Device Control Register for PHY loopback test. */
1167
1168         ctrl_reg = er32(CTRL);
1169         ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1170                      E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1171                      E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1172                      E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1173                      E1000_CTRL_FD);            /* Force Duplex to FULL */
1174
1175         ew32(CTRL, ctrl_reg);
1176
1177         /* Read the PHY Specific Control Register (0x10) */
1178         e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1179
1180         /* Clear Auto-Crossover bits in PHY Specific Control Register
1181          * (bits 6:5).
1182          */
1183         phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1184         e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1185
1186         /* Perform software reset on the PHY */
1187         e1000_phy_reset(hw);
1188
1189         /* Have to setup TX_CLK and TX_CRS after software reset */
1190         e1000_phy_reset_clk_and_crs(adapter);
1191
1192         e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1193
1194         /* Wait for reset to complete. */
1195         udelay(500);
1196
1197         /* Have to setup TX_CLK and TX_CRS after software reset */
1198         e1000_phy_reset_clk_and_crs(adapter);
1199
1200         /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1201         e1000_phy_disable_receiver(adapter);
1202
1203         /* Set the loopback bit in the PHY control register. */
1204         e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1205         phy_reg |= MII_CR_LOOPBACK;
1206         e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1207
1208         /* Setup TX_CLK and TX_CRS one more time. */
1209         e1000_phy_reset_clk_and_crs(adapter);
1210
1211         /* Check Phy Configuration */
1212         e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1213         if (phy_reg != 0x4100)
1214                  return 9;
1215
1216         e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1217         if (phy_reg != 0x0070)
1218                 return 10;
1219
1220         e1000_read_phy_reg(hw, 29, &phy_reg);
1221         if (phy_reg != 0x001A)
1222                 return 11;
1223
1224         return 0;
1225 }
1226
1227 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1228 {
1229         struct e1000_hw *hw = &adapter->hw;
1230         u32 ctrl_reg = 0;
1231         u32 stat_reg = 0;
1232
1233         hw->autoneg = false;
1234
1235         if (hw->phy_type == e1000_phy_m88) {
1236                 /* Auto-MDI/MDIX Off */
1237                 e1000_write_phy_reg(hw,
1238                                     M88E1000_PHY_SPEC_CTRL, 0x0808);
1239                 /* reset to update Auto-MDI/MDIX */
1240                 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1241                 /* autoneg off */
1242                 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1243         }
1244
1245         ctrl_reg = er32(CTRL);
1246
1247         /* force 1000, set loopback */
1248         e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1249
1250         /* Now set up the MAC to the same speed/duplex as the PHY. */
1251         ctrl_reg = er32(CTRL);
1252         ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1253         ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1254                         E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1255                         E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1256                         E1000_CTRL_FD);  /* Force Duplex to FULL */
1257
1258         if (hw->media_type == e1000_media_type_copper &&
1259            hw->phy_type == e1000_phy_m88)
1260                 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1261         else {
1262                 /* Set the ILOS bit on the fiber Nic is half
1263                  * duplex link is detected. */
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                         pci_dma_sync_single_for_device(pdev,
1431                                         txdr->buffer_info[k].dma,
1432                                         txdr->buffer_info[k].length,
1433                                         PCI_DMA_TODEVICE);
1434                         if (unlikely(++k == txdr->count)) k = 0;
1435                 }
1436                 ew32(TDT, k);
1437                 msleep(200);
1438                 time = jiffies; /* set the start time for the receive */
1439                 good_cnt = 0;
1440                 do { /* receive the sent packets */
1441                         pci_dma_sync_single_for_cpu(pdev,
1442                                         rxdr->buffer_info[l].dma,
1443                                         rxdr->buffer_info[l].length,
1444                                         PCI_DMA_FROMDEVICE);
1445
1446                         ret_val = e1000_check_lbtest_frame(
1447                                         rxdr->buffer_info[l].skb,
1448                                         1024);
1449                         if (!ret_val)
1450                                 good_cnt++;
1451                         if (unlikely(++l == rxdr->count)) l = 0;
1452                         /* time + 20 msecs (200 msecs on 2.4) is more than
1453                          * enough time to complete the receives, if it's
1454                          * exceeded, break and error off
1455                          */
1456                 } while (good_cnt < 64 && jiffies < (time + 20));
1457                 if (good_cnt != 64) {
1458                         ret_val = 13; /* ret_val is the same as mis-compare */
1459                         break;
1460                 }
1461                 if (jiffies >= (time + 2)) {
1462                         ret_val = 14; /* error code for time out error */
1463                         break;
1464                 }
1465         } /* end loop count loop */
1466         return ret_val;
1467 }
1468
1469 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1470 {
1471         *data = e1000_setup_desc_rings(adapter);
1472         if (*data)
1473                 goto out;
1474         *data = e1000_setup_loopback_test(adapter);
1475         if (*data)
1476                 goto err_loopback;
1477         *data = e1000_run_loopback_test(adapter);
1478         e1000_loopback_cleanup(adapter);
1479
1480 err_loopback:
1481         e1000_free_desc_rings(adapter);
1482 out:
1483         return *data;
1484 }
1485
1486 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1487 {
1488         struct e1000_hw *hw = &adapter->hw;
1489         *data = 0;
1490         if (hw->media_type == e1000_media_type_internal_serdes) {
1491                 int i = 0;
1492                 hw->serdes_has_link = false;
1493
1494                 /* On some blade server designs, link establishment
1495                  * could take as long as 2-3 minutes */
1496                 do {
1497                         e1000_check_for_link(hw);
1498                         if (hw->serdes_has_link)
1499                                 return *data;
1500                         msleep(20);
1501                 } while (i++ < 3750);
1502
1503                 *data = 1;
1504         } else {
1505                 e1000_check_for_link(hw);
1506                 if (hw->autoneg)  /* if auto_neg is set wait for it */
1507                         msleep(4000);
1508
1509                 if (!(er32(STATUS) & E1000_STATUS_LU)) {
1510                         *data = 1;
1511                 }
1512         }
1513         return *data;
1514 }
1515
1516 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1517 {
1518         switch (sset) {
1519         case ETH_SS_TEST:
1520                 return E1000_TEST_LEN;
1521         case ETH_SS_STATS:
1522                 return E1000_STATS_LEN;
1523         default:
1524                 return -EOPNOTSUPP;
1525         }
1526 }
1527
1528 static void e1000_diag_test(struct net_device *netdev,
1529                             struct ethtool_test *eth_test, u64 *data)
1530 {
1531         struct e1000_adapter *adapter = netdev_priv(netdev);
1532         struct e1000_hw *hw = &adapter->hw;
1533         bool if_running = netif_running(netdev);
1534
1535         set_bit(__E1000_TESTING, &adapter->flags);
1536         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1537                 /* Offline tests */
1538
1539                 /* save speed, duplex, autoneg settings */
1540                 u16 autoneg_advertised = hw->autoneg_advertised;
1541                 u8 forced_speed_duplex = hw->forced_speed_duplex;
1542                 u8 autoneg = hw->autoneg;
1543
1544                 DPRINTK(HW, INFO, "offline testing starting\n");
1545
1546                 /* Link test performed before hardware reset so autoneg doesn't
1547                  * interfere with test result */
1548                 if (e1000_link_test(adapter, &data[4]))
1549                         eth_test->flags |= ETH_TEST_FL_FAILED;
1550
1551                 if (if_running)
1552                         /* indicate we're in test mode */
1553                         dev_close(netdev);
1554                 else
1555                         e1000_reset(adapter);
1556
1557                 if (e1000_reg_test(adapter, &data[0]))
1558                         eth_test->flags |= ETH_TEST_FL_FAILED;
1559
1560                 e1000_reset(adapter);
1561                 if (e1000_eeprom_test(adapter, &data[1]))
1562                         eth_test->flags |= ETH_TEST_FL_FAILED;
1563
1564                 e1000_reset(adapter);
1565                 if (e1000_intr_test(adapter, &data[2]))
1566                         eth_test->flags |= ETH_TEST_FL_FAILED;
1567
1568                 e1000_reset(adapter);
1569                 /* make sure the phy is powered up */
1570                 e1000_power_up_phy(adapter);
1571                 if (e1000_loopback_test(adapter, &data[3]))
1572                         eth_test->flags |= ETH_TEST_FL_FAILED;
1573
1574                 /* restore speed, duplex, autoneg settings */
1575                 hw->autoneg_advertised = autoneg_advertised;
1576                 hw->forced_speed_duplex = forced_speed_duplex;
1577                 hw->autoneg = autoneg;
1578
1579                 e1000_reset(adapter);
1580                 clear_bit(__E1000_TESTING, &adapter->flags);
1581                 if (if_running)
1582                         dev_open(netdev);
1583         } else {
1584                 DPRINTK(HW, INFO, "online testing starting\n");
1585                 /* Online tests */
1586                 if (e1000_link_test(adapter, &data[4]))
1587                         eth_test->flags |= ETH_TEST_FL_FAILED;
1588
1589                 /* Online tests aren't run; pass by default */
1590                 data[0] = 0;
1591                 data[1] = 0;
1592                 data[2] = 0;
1593                 data[3] = 0;
1594
1595                 clear_bit(__E1000_TESTING, &adapter->flags);
1596         }
1597         msleep_interruptible(4 * 1000);
1598 }
1599
1600 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1601                                struct ethtool_wolinfo *wol)
1602 {
1603         struct e1000_hw *hw = &adapter->hw;
1604         int retval = 1; /* fail by default */
1605
1606         switch (hw->device_id) {
1607         case E1000_DEV_ID_82542:
1608         case E1000_DEV_ID_82543GC_FIBER:
1609         case E1000_DEV_ID_82543GC_COPPER:
1610         case E1000_DEV_ID_82544EI_FIBER:
1611         case E1000_DEV_ID_82546EB_QUAD_COPPER:
1612         case E1000_DEV_ID_82545EM_FIBER:
1613         case E1000_DEV_ID_82545EM_COPPER:
1614         case E1000_DEV_ID_82546GB_QUAD_COPPER:
1615         case E1000_DEV_ID_82546GB_PCIE:
1616                 /* these don't support WoL at all */
1617                 wol->supported = 0;
1618                 break;
1619         case E1000_DEV_ID_82546EB_FIBER:
1620         case E1000_DEV_ID_82546GB_FIBER:
1621                 /* Wake events not supported on port B */
1622                 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1623                         wol->supported = 0;
1624                         break;
1625                 }
1626                 /* return success for non excluded adapter ports */
1627                 retval = 0;
1628                 break;
1629         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1630                 /* quad port adapters only support WoL on port A */
1631                 if (!adapter->quad_port_a) {
1632                         wol->supported = 0;
1633                         break;
1634                 }
1635                 /* return success for non excluded adapter ports */
1636                 retval = 0;
1637                 break;
1638         default:
1639                 /* dual port cards only support WoL on port A from now on
1640                  * unless it was enabled in the eeprom for port B
1641                  * so exclude FUNC_1 ports from having WoL enabled */
1642                 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1643                     !adapter->eeprom_wol) {
1644                         wol->supported = 0;
1645                         break;
1646                 }
1647
1648                 retval = 0;
1649         }
1650
1651         return retval;
1652 }
1653
1654 static void e1000_get_wol(struct net_device *netdev,
1655                           struct ethtool_wolinfo *wol)
1656 {
1657         struct e1000_adapter *adapter = netdev_priv(netdev);
1658         struct e1000_hw *hw = &adapter->hw;
1659
1660         wol->supported = WAKE_UCAST | WAKE_MCAST |
1661                          WAKE_BCAST | WAKE_MAGIC;
1662         wol->wolopts = 0;
1663
1664         /* this function will set ->supported = 0 and return 1 if wol is not
1665          * supported by this hardware */
1666         if (e1000_wol_exclusion(adapter, wol) ||
1667             !device_can_wakeup(&adapter->pdev->dev))
1668                 return;
1669
1670         /* apply any specific unsupported masks here */
1671         switch (hw->device_id) {
1672         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1673                 /* KSP3 does not suppport UCAST wake-ups */
1674                 wol->supported &= ~WAKE_UCAST;
1675
1676                 if (adapter->wol & E1000_WUFC_EX)
1677                         DPRINTK(DRV, ERR, "Interface does not support "
1678                         "directed (unicast) frame wake-up packets\n");
1679                 break;
1680         default:
1681                 break;
1682         }
1683
1684         if (adapter->wol & E1000_WUFC_EX)
1685                 wol->wolopts |= WAKE_UCAST;
1686         if (adapter->wol & E1000_WUFC_MC)
1687                 wol->wolopts |= WAKE_MCAST;
1688         if (adapter->wol & E1000_WUFC_BC)
1689                 wol->wolopts |= WAKE_BCAST;
1690         if (adapter->wol & E1000_WUFC_MAG)
1691                 wol->wolopts |= WAKE_MAGIC;
1692
1693         return;
1694 }
1695
1696 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1697 {
1698         struct e1000_adapter *adapter = netdev_priv(netdev);
1699         struct e1000_hw *hw = &adapter->hw;
1700
1701         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1702                 return -EOPNOTSUPP;
1703
1704         if (e1000_wol_exclusion(adapter, wol) ||
1705             !device_can_wakeup(&adapter->pdev->dev))
1706                 return wol->wolopts ? -EOPNOTSUPP : 0;
1707
1708         switch (hw->device_id) {
1709         case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1710                 if (wol->wolopts & WAKE_UCAST) {
1711                         DPRINTK(DRV, ERR, "Interface does not support "
1712                         "directed (unicast) frame wake-up packets\n");
1713                         return -EOPNOTSUPP;
1714                 }
1715                 break;
1716         default:
1717                 break;
1718         }
1719
1720         /* these settings will always override what we currently have */
1721         adapter->wol = 0;
1722
1723         if (wol->wolopts & WAKE_UCAST)
1724                 adapter->wol |= E1000_WUFC_EX;
1725         if (wol->wolopts & WAKE_MCAST)
1726                 adapter->wol |= E1000_WUFC_MC;
1727         if (wol->wolopts & WAKE_BCAST)
1728                 adapter->wol |= E1000_WUFC_BC;
1729         if (wol->wolopts & WAKE_MAGIC)
1730                 adapter->wol |= E1000_WUFC_MAG;
1731
1732         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1733
1734         return 0;
1735 }
1736
1737 /* toggle LED 4 times per second = 2 "blinks" per second */
1738 #define E1000_ID_INTERVAL       (HZ/4)
1739
1740 /* bit defines for adapter->led_status */
1741 #define E1000_LED_ON            0
1742
1743 static void e1000_led_blink_callback(unsigned long data)
1744 {
1745         struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1746         struct e1000_hw *hw = &adapter->hw;
1747
1748         if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1749                 e1000_led_off(hw);
1750         else
1751                 e1000_led_on(hw);
1752
1753         mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1754 }
1755
1756 static int e1000_phys_id(struct net_device *netdev, u32 data)
1757 {
1758         struct e1000_adapter *adapter = netdev_priv(netdev);
1759         struct e1000_hw *hw = &adapter->hw;
1760
1761         if (!data)
1762                 data = INT_MAX;
1763
1764         if (!adapter->blink_timer.function) {
1765                 init_timer(&adapter->blink_timer);
1766                 adapter->blink_timer.function = e1000_led_blink_callback;
1767                 adapter->blink_timer.data = (unsigned long)adapter;
1768         }
1769         e1000_setup_led(hw);
1770         mod_timer(&adapter->blink_timer, jiffies);
1771         msleep_interruptible(data * 1000);
1772         del_timer_sync(&adapter->blink_timer);
1773
1774         e1000_led_off(hw);
1775         clear_bit(E1000_LED_ON, &adapter->led_status);
1776         e1000_cleanup_led(hw);
1777
1778         return 0;
1779 }
1780
1781 static int e1000_get_coalesce(struct net_device *netdev,
1782                               struct ethtool_coalesce *ec)
1783 {
1784         struct e1000_adapter *adapter = netdev_priv(netdev);
1785
1786         if (adapter->hw.mac_type < e1000_82545)
1787                 return -EOPNOTSUPP;
1788
1789         if (adapter->itr_setting <= 3)
1790                 ec->rx_coalesce_usecs = adapter->itr_setting;
1791         else
1792                 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1793
1794         return 0;
1795 }
1796
1797 static int e1000_set_coalesce(struct net_device *netdev,
1798                               struct ethtool_coalesce *ec)
1799 {
1800         struct e1000_adapter *adapter = netdev_priv(netdev);
1801         struct e1000_hw *hw = &adapter->hw;
1802
1803         if (hw->mac_type < e1000_82545)
1804                 return -EOPNOTSUPP;
1805
1806         if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1807             ((ec->rx_coalesce_usecs > 3) &&
1808              (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1809             (ec->rx_coalesce_usecs == 2))
1810                 return -EINVAL;
1811
1812         if (ec->rx_coalesce_usecs <= 3) {
1813                 adapter->itr = 20000;
1814                 adapter->itr_setting = ec->rx_coalesce_usecs;
1815         } else {
1816                 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1817                 adapter->itr_setting = adapter->itr & ~3;
1818         }
1819
1820         if (adapter->itr_setting != 0)
1821                 ew32(ITR, 1000000000 / (adapter->itr * 256));
1822         else
1823                 ew32(ITR, 0);
1824
1825         return 0;
1826 }
1827
1828 static int e1000_nway_reset(struct net_device *netdev)
1829 {
1830         struct e1000_adapter *adapter = netdev_priv(netdev);
1831         if (netif_running(netdev))
1832                 e1000_reinit_locked(adapter);
1833         return 0;
1834 }
1835
1836 static void e1000_get_ethtool_stats(struct net_device *netdev,
1837                                     struct ethtool_stats *stats, u64 *data)
1838 {
1839         struct e1000_adapter *adapter = netdev_priv(netdev);
1840         int i;
1841         char *p = NULL;
1842
1843         e1000_update_stats(adapter);
1844         for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1845                 switch (e1000_gstrings_stats[i].type) {
1846                 case NETDEV_STATS:
1847                         p = (char *) netdev +
1848                                         e1000_gstrings_stats[i].stat_offset;
1849                         break;
1850                 case E1000_STATS:
1851                         p = (char *) adapter +
1852                                         e1000_gstrings_stats[i].stat_offset;
1853                         break;
1854                 }
1855
1856                 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1857                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1858         }
1859 /*      BUG_ON(i != E1000_STATS_LEN); */
1860 }
1861
1862 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1863                               u8 *data)
1864 {
1865         u8 *p = data;
1866         int i;
1867
1868         switch (stringset) {
1869         case ETH_SS_TEST:
1870                 memcpy(data, *e1000_gstrings_test,
1871                         sizeof(e1000_gstrings_test));
1872                 break;
1873         case ETH_SS_STATS:
1874                 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1875                         memcpy(p, e1000_gstrings_stats[i].stat_string,
1876                                ETH_GSTRING_LEN);
1877                         p += ETH_GSTRING_LEN;
1878                 }
1879 /*              BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1880                 break;
1881         }
1882 }
1883
1884 static const struct ethtool_ops e1000_ethtool_ops = {
1885         .get_settings           = e1000_get_settings,
1886         .set_settings           = e1000_set_settings,
1887         .get_drvinfo            = e1000_get_drvinfo,
1888         .get_regs_len           = e1000_get_regs_len,
1889         .get_regs               = e1000_get_regs,
1890         .get_wol                = e1000_get_wol,
1891         .set_wol                = e1000_set_wol,
1892         .get_msglevel           = e1000_get_msglevel,
1893         .set_msglevel           = e1000_set_msglevel,
1894         .nway_reset             = e1000_nway_reset,
1895         .get_link               = ethtool_op_get_link,
1896         .get_eeprom_len         = e1000_get_eeprom_len,
1897         .get_eeprom             = e1000_get_eeprom,
1898         .set_eeprom             = e1000_set_eeprom,
1899         .get_ringparam          = e1000_get_ringparam,
1900         .set_ringparam          = e1000_set_ringparam,
1901         .get_pauseparam         = e1000_get_pauseparam,
1902         .set_pauseparam         = e1000_set_pauseparam,
1903         .get_rx_csum            = e1000_get_rx_csum,
1904         .set_rx_csum            = e1000_set_rx_csum,
1905         .get_tx_csum            = e1000_get_tx_csum,
1906         .set_tx_csum            = e1000_set_tx_csum,
1907         .set_sg                 = ethtool_op_set_sg,
1908         .set_tso                = e1000_set_tso,
1909         .self_test              = e1000_diag_test,
1910         .get_strings            = e1000_get_strings,
1911         .phys_id                = e1000_phys_id,
1912         .get_ethtool_stats      = e1000_get_ethtool_stats,
1913         .get_sset_count         = e1000_get_sset_count,
1914         .get_coalesce           = e1000_get_coalesce,
1915         .set_coalesce           = e1000_set_coalesce,
1916 };
1917
1918 void e1000_set_ethtool_ops(struct net_device *netdev)
1919 {
1920         SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1921 }