linux/drivers/net/e1000/e1000_ethtool.c
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   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
  34struct e1000_stats {
  35        char stat_string[ETH_GSTRING_LEN];
  36        int sizeof_stat;
  37        int stat_offset;
  38};
  39
  40#define E1000_STAT(m) FIELD_SIZEOF(struct e1000_adapter, m), \
  41                      offsetof(struct e1000_adapter, m)
  42static const struct e1000_stats e1000_gstrings_stats[] = {
  43        { "rx_packets", E1000_STAT(stats.gprc) },
  44        { "tx_packets", E1000_STAT(stats.gptc) },
  45        { "rx_bytes", E1000_STAT(stats.gorcl) },
  46        { "tx_bytes", E1000_STAT(stats.gotcl) },
  47        { "rx_broadcast", E1000_STAT(stats.bprc) },
  48        { "tx_broadcast", E1000_STAT(stats.bptc) },
  49        { "rx_multicast", E1000_STAT(stats.mprc) },
  50        { "tx_multicast", E1000_STAT(stats.mptc) },
  51        { "rx_errors", E1000_STAT(stats.rxerrc) },
  52        { "tx_errors", E1000_STAT(stats.txerrc) },
  53        { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
  54        { "multicast", E1000_STAT(stats.mprc) },
  55        { "collisions", E1000_STAT(stats.colc) },
  56        { "rx_length_errors", E1000_STAT(stats.rlerrc) },
  57        { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
  58        { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
  59        { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
  60        { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
  61        { "rx_missed_errors", E1000_STAT(stats.mpc) },
  62        { "tx_aborted_errors", E1000_STAT(stats.ecol) },
  63        { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
  64        { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
  65        { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
  66        { "tx_window_errors", E1000_STAT(stats.latecol) },
  67        { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
  68        { "tx_deferred_ok", E1000_STAT(stats.dc) },
  69        { "tx_single_coll_ok", E1000_STAT(stats.scc) },
  70        { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
  71        { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
  72        { "tx_restart_queue", E1000_STAT(restart_queue) },
  73        { "rx_long_length_errors", E1000_STAT(stats.roc) },
  74        { "rx_short_length_errors", E1000_STAT(stats.ruc) },
  75        { "rx_align_errors", E1000_STAT(stats.algnerrc) },
  76        { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
  77        { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
  78        { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
  79        { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
  80        { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
  81        { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
  82        { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
  83        { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
  84        { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
  85        { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
  86        { "tx_smbus", E1000_STAT(stats.mgptc) },
  87        { "rx_smbus", E1000_STAT(stats.mgprc) },
  88        { "dropped_smbus", E1000_STAT(stats.mgpdc) },
  89};
  90
  91#define E1000_QUEUE_STATS_LEN 0
  92#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
  93#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
  94static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
  95        "Register test  (offline)", "Eeprom test    (offline)",
  96        "Interrupt test (offline)", "Loopback test  (offline)",
  97        "Link test   (on/offline)"
  98};
  99#define E1000_TEST_LEN  ARRAY_SIZE(e1000_gstrings_test)
 100
 101static int e1000_get_settings(struct net_device *netdev,
 102                              struct ethtool_cmd *ecmd)
 103{
 104        struct e1000_adapter *adapter = netdev_priv(netdev);
 105        struct e1000_hw *hw = &adapter->hw;
 106
 107        if (hw->media_type == e1000_media_type_copper) {
 108
 109                ecmd->supported = (SUPPORTED_10baseT_Half |
 110                                   SUPPORTED_10baseT_Full |
 111                                   SUPPORTED_100baseT_Half |
 112                                   SUPPORTED_100baseT_Full |
 113                                   SUPPORTED_1000baseT_Full|
 114                                   SUPPORTED_Autoneg |
 115                                   SUPPORTED_TP);
 116                ecmd->advertising = ADVERTISED_TP;
 117
 118                if (hw->autoneg == 1) {
 119                        ecmd->advertising |= ADVERTISED_Autoneg;
 120                        /* the e1000 autoneg seems to match ethtool nicely */
 121                        ecmd->advertising |= hw->autoneg_advertised;
 122                }
 123
 124                ecmd->port = PORT_TP;
 125                ecmd->phy_address = hw->phy_addr;
 126
 127                if (hw->mac_type == e1000_82543)
 128                        ecmd->transceiver = XCVR_EXTERNAL;
 129                else
 130                        ecmd->transceiver = XCVR_INTERNAL;
 131
 132        } else {
 133                ecmd->supported   = (SUPPORTED_1000baseT_Full |
 134                                     SUPPORTED_FIBRE |
 135                                     SUPPORTED_Autoneg);
 136
 137                ecmd->advertising = (ADVERTISED_1000baseT_Full |
 138                                     ADVERTISED_FIBRE |
 139                                     ADVERTISED_Autoneg);
 140
 141                ecmd->port = PORT_FIBRE;
 142
 143                if (hw->mac_type >= e1000_82545)
 144                        ecmd->transceiver = XCVR_INTERNAL;
 145                else
 146                        ecmd->transceiver = XCVR_EXTERNAL;
 147        }
 148
 149        if (er32(STATUS) & E1000_STATUS_LU) {
 150
 151                e1000_get_speed_and_duplex(hw, &adapter->link_speed,
 152                                                   &adapter->link_duplex);
 153                ecmd->speed = adapter->link_speed;
 154
 155                /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
 156                 *          and HALF_DUPLEX != DUPLEX_HALF */
 157
 158                if (adapter->link_duplex == FULL_DUPLEX)
 159                        ecmd->duplex = DUPLEX_FULL;
 160                else
 161                        ecmd->duplex = DUPLEX_HALF;
 162        } else {
 163                ecmd->speed = -1;
 164                ecmd->duplex = -1;
 165        }
 166
 167        ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
 168                         hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 169        return 0;
 170}
 171
 172static int e1000_set_settings(struct net_device *netdev,
 173                              struct ethtool_cmd *ecmd)
 174{
 175        struct e1000_adapter *adapter = netdev_priv(netdev);
 176        struct e1000_hw *hw = &adapter->hw;
 177
 178        while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 179                msleep(1);
 180
 181        if (ecmd->autoneg == AUTONEG_ENABLE) {
 182                hw->autoneg = 1;
 183                if (hw->media_type == e1000_media_type_fiber)
 184                        hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
 185                                     ADVERTISED_FIBRE |
 186                                     ADVERTISED_Autoneg;
 187                else
 188                        hw->autoneg_advertised = ecmd->advertising |
 189                                                 ADVERTISED_TP |
 190                                                 ADVERTISED_Autoneg;
 191                ecmd->advertising = hw->autoneg_advertised;
 192        } else
 193                if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
 194                        clear_bit(__E1000_RESETTING, &adapter->flags);
 195                        return -EINVAL;
 196                }
 197
 198        /* reset the link */
 199
 200        if (netif_running(adapter->netdev)) {
 201                e1000_down(adapter);
 202                e1000_up(adapter);
 203        } else
 204                e1000_reset(adapter);
 205
 206        clear_bit(__E1000_RESETTING, &adapter->flags);
 207        return 0;
 208}
 209
 210static void e1000_get_pauseparam(struct net_device *netdev,
 211                                 struct ethtool_pauseparam *pause)
 212{
 213        struct e1000_adapter *adapter = netdev_priv(netdev);
 214        struct e1000_hw *hw = &adapter->hw;
 215
 216        pause->autoneg =
 217                (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 218
 219        if (hw->fc == E1000_FC_RX_PAUSE)
 220                pause->rx_pause = 1;
 221        else if (hw->fc == E1000_FC_TX_PAUSE)
 222                pause->tx_pause = 1;
 223        else if (hw->fc == E1000_FC_FULL) {
 224                pause->rx_pause = 1;
 225                pause->tx_pause = 1;
 226        }
 227}
 228
 229static int e1000_set_pauseparam(struct net_device *netdev,
 230                                struct ethtool_pauseparam *pause)
 231{
 232        struct e1000_adapter *adapter = netdev_priv(netdev);
 233        struct e1000_hw *hw = &adapter->hw;
 234        int retval = 0;
 235
 236        adapter->fc_autoneg = pause->autoneg;
 237
 238        while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 239                msleep(1);
 240
 241        if (pause->rx_pause && pause->tx_pause)
 242                hw->fc = E1000_FC_FULL;
 243        else if (pause->rx_pause && !pause->tx_pause)
 244                hw->fc = E1000_FC_RX_PAUSE;
 245        else if (!pause->rx_pause && pause->tx_pause)
 246                hw->fc = E1000_FC_TX_PAUSE;
 247        else if (!pause->rx_pause && !pause->tx_pause)
 248                hw->fc = E1000_FC_NONE;
 249
 250        hw->original_fc = hw->fc;
 251
 252        if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 253                if (netif_running(adapter->netdev)) {
 254                        e1000_down(adapter);
 255                        e1000_up(adapter);
 256                } else
 257                        e1000_reset(adapter);
 258        } else
 259                retval = ((hw->media_type == e1000_media_type_fiber) ?
 260                          e1000_setup_link(hw) : e1000_force_mac_fc(hw));
 261
 262        clear_bit(__E1000_RESETTING, &adapter->flags);
 263        return retval;
 264}
 265
 266static u32 e1000_get_rx_csum(struct net_device *netdev)
 267{
 268        struct e1000_adapter *adapter = netdev_priv(netdev);
 269        return adapter->rx_csum;
 270}
 271
 272static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
 273{
 274        struct e1000_adapter *adapter = netdev_priv(netdev);
 275        adapter->rx_csum = data;
 276
 277        if (netif_running(netdev))
 278                e1000_reinit_locked(adapter);
 279        else
 280                e1000_reset(adapter);
 281        return 0;
 282}
 283
 284static u32 e1000_get_tx_csum(struct net_device *netdev)
 285{
 286        return (netdev->features & NETIF_F_HW_CSUM) != 0;
 287}
 288
 289static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
 290{
 291        struct e1000_adapter *adapter = netdev_priv(netdev);
 292        struct e1000_hw *hw = &adapter->hw;
 293
 294        if (hw->mac_type < e1000_82543) {
 295                if (!data)
 296                        return -EINVAL;
 297                return 0;
 298        }
 299
 300        if (data)
 301                netdev->features |= NETIF_F_HW_CSUM;
 302        else
 303                netdev->features &= ~NETIF_F_HW_CSUM;
 304
 305        return 0;
 306}
 307
 308static int e1000_set_tso(struct net_device *netdev, u32 data)
 309{
 310        struct e1000_adapter *adapter = netdev_priv(netdev);
 311        struct e1000_hw *hw = &adapter->hw;
 312
 313        if ((hw->mac_type < e1000_82544) ||
 314            (hw->mac_type == e1000_82547))
 315                return data ? -EINVAL : 0;
 316
 317        if (data)
 318                netdev->features |= NETIF_F_TSO;
 319        else
 320                netdev->features &= ~NETIF_F_TSO;
 321
 322        netdev->features &= ~NETIF_F_TSO6;
 323
 324        DPRINTK(PROBE, INFO, "TSO is %s\n", data ? "Enabled" : "Disabled");
 325        adapter->tso_force = true;
 326        return 0;
 327}
 328
 329static u32 e1000_get_msglevel(struct net_device *netdev)
 330{
 331        struct e1000_adapter *adapter = netdev_priv(netdev);
 332        return adapter->msg_enable;
 333}
 334
 335static 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
 341static 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
 347static 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
 435static 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
 443static 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
 490static 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                ret_val = e1000_read_eeprom(hw, first_word, 1,
 520                                            &eeprom_buff[0]);
 521                ptr++;
 522        }
 523        if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 524                /* need read/modify/write of last changed EEPROM word */
 525                /* only the first byte of the word is being modified */
 526                ret_val = e1000_read_eeprom(hw, last_word, 1,
 527                                  &eeprom_buff[last_word - first_word]);
 528        }
 529
 530        /* Device's eeprom is always little-endian, word addressable */
 531        for (i = 0; i < last_word - first_word + 1; i++)
 532                le16_to_cpus(&eeprom_buff[i]);
 533
 534        memcpy(ptr, bytes, eeprom->len);
 535
 536        for (i = 0; i < last_word - first_word + 1; i++)
 537                eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
 538
 539        ret_val = e1000_write_eeprom(hw, first_word,
 540                                     last_word - first_word + 1, eeprom_buff);
 541
 542        /* Update the checksum over the first part of the EEPROM if needed */
 543        if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
 544                e1000_update_eeprom_checksum(hw);
 545
 546        kfree(eeprom_buff);
 547        return ret_val;
 548}
 549
 550static void e1000_get_drvinfo(struct net_device *netdev,
 551                              struct ethtool_drvinfo *drvinfo)
 552{
 553        struct e1000_adapter *adapter = netdev_priv(netdev);
 554        char firmware_version[32];
 555
 556        strncpy(drvinfo->driver,  e1000_driver_name, 32);
 557        strncpy(drvinfo->version, e1000_driver_version, 32);
 558
 559        sprintf(firmware_version, "N/A");
 560        strncpy(drvinfo->fw_version, firmware_version, 32);
 561        strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 562        drvinfo->regdump_len = e1000_get_regs_len(netdev);
 563        drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
 564}
 565
 566static void e1000_get_ringparam(struct net_device *netdev,
 567                                struct ethtool_ringparam *ring)
 568{
 569        struct e1000_adapter *adapter = netdev_priv(netdev);
 570        struct e1000_hw *hw = &adapter->hw;
 571        e1000_mac_type mac_type = hw->mac_type;
 572        struct e1000_tx_ring *txdr = adapter->tx_ring;
 573        struct e1000_rx_ring *rxdr = adapter->rx_ring;
 574
 575        ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
 576                E1000_MAX_82544_RXD;
 577        ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
 578                E1000_MAX_82544_TXD;
 579        ring->rx_mini_max_pending = 0;
 580        ring->rx_jumbo_max_pending = 0;
 581        ring->rx_pending = rxdr->count;
 582        ring->tx_pending = txdr->count;
 583        ring->rx_mini_pending = 0;
 584        ring->rx_jumbo_pending = 0;
 585}
 586
 587static int e1000_set_ringparam(struct net_device *netdev,
 588                               struct ethtool_ringparam *ring)
 589{
 590        struct e1000_adapter *adapter = netdev_priv(netdev);
 591        struct e1000_hw *hw = &adapter->hw;
 592        e1000_mac_type mac_type = hw->mac_type;
 593        struct e1000_tx_ring *txdr, *tx_old;
 594        struct e1000_rx_ring *rxdr, *rx_old;
 595        int i, err;
 596
 597        if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 598                return -EINVAL;
 599
 600        while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
 601                msleep(1);
 602
 603        if (netif_running(adapter->netdev))
 604                e1000_down(adapter);
 605
 606        tx_old = adapter->tx_ring;
 607        rx_old = adapter->rx_ring;
 608
 609        err = -ENOMEM;
 610        txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), GFP_KERNEL);
 611        if (!txdr)
 612                goto err_alloc_tx;
 613
 614        rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring), 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                adapter->rx_ring = rx_old;
 649                adapter->tx_ring = tx_old;
 650                e1000_free_all_rx_resources(adapter);
 651                e1000_free_all_tx_resources(adapter);
 652                kfree(tx_old);
 653                kfree(rx_old);
 654                adapter->rx_ring = rxdr;
 655                adapter->tx_ring = txdr;
 656                err = e1000_up(adapter);
 657                if (err)
 658                        goto err_setup;
 659        }
 660
 661        clear_bit(__E1000_RESETTING, &adapter->flags);
 662        return 0;
 663err_setup_tx:
 664        e1000_free_all_rx_resources(adapter);
 665err_setup_rx:
 666        adapter->rx_ring = rx_old;
 667        adapter->tx_ring = tx_old;
 668        kfree(rxdr);
 669err_alloc_rx:
 670        kfree(txdr);
 671err_alloc_tx:
 672        e1000_up(adapter);
 673err_setup:
 674        clear_bit(__E1000_RESETTING, &adapter->flags);
 675        return err;
 676}
 677
 678static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
 679                             u32 mask, u32 write)
 680{
 681        struct e1000_hw *hw = &adapter->hw;
 682        static const u32 test[] =
 683                {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
 684        u8 __iomem *address = hw->hw_addr + reg;
 685        u32 read;
 686        int i;
 687
 688        for (i = 0; i < ARRAY_SIZE(test); i++) {
 689                writel(write & test[i], address);
 690                read = readl(address);
 691                if (read != (write & test[i] & mask)) {
 692                        DPRINTK(DRV, ERR, "pattern test reg %04X failed: "
 693                                "got 0x%08X expected 0x%08X\n",
 694                                reg, read, (write & test[i] & mask));
 695                        *data = reg;
 696                        return true;
 697                }
 698        }
 699        return false;
 700}
 701
 702static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
 703                              u32 mask, u32 write)
 704{
 705        struct e1000_hw *hw = &adapter->hw;
 706        u8 __iomem *address = hw->hw_addr + reg;
 707        u32 read;
 708
 709        writel(write & mask, address);
 710        read = readl(address);
 711        if ((read & mask) != (write & mask)) {
 712                DPRINTK(DRV, ERR, "set/check reg %04X test failed: "
 713                        "got 0x%08X expected 0x%08X\n",
 714                        reg, (read & mask), (write & mask));
 715                *data = reg;
 716                return true;
 717        }
 718        return false;
 719}
 720
 721#define REG_PATTERN_TEST(reg, mask, write)                           \
 722        do {                                                         \
 723                if (reg_pattern_test(adapter, data,                  \
 724                             (hw->mac_type >= e1000_82543)   \
 725                             ? E1000_##reg : E1000_82542_##reg,      \
 726                             mask, write))                           \
 727                        return 1;                                    \
 728        } while (0)
 729
 730#define REG_SET_AND_CHECK(reg, mask, write)                          \
 731        do {                                                         \
 732                if (reg_set_and_check(adapter, data,                 \
 733                              (hw->mac_type >= e1000_82543)  \
 734                              ? E1000_##reg : E1000_82542_##reg,     \
 735                              mask, write))                          \
 736                        return 1;                                    \
 737        } while (0)
 738
 739static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 740{
 741        u32 value, before, after;
 742        u32 i, toggle;
 743        struct e1000_hw *hw = &adapter->hw;
 744
 745        /* The status register is Read Only, so a write should fail.
 746         * Some bits that get toggled are ignored.
 747         */
 748
 749        /* there are several bits on newer hardware that are r/w */
 750        toggle = 0xFFFFF833;
 751
 752        before = er32(STATUS);
 753        value = (er32(STATUS) & toggle);
 754        ew32(STATUS, toggle);
 755        after = er32(STATUS) & toggle;
 756        if (value != after) {
 757                DPRINTK(DRV, ERR, "failed STATUS register test got: "
 758                        "0x%08X expected: 0x%08X\n", after, value);
 759                *data = 1;
 760                return 1;
 761        }
 762        /* restore previous status */
 763        ew32(STATUS, before);
 764
 765        REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 766        REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
 767        REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
 768        REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
 769
 770        REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
 771        REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 772        REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
 773        REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
 774        REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
 775        REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
 776        REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
 777        REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 778        REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
 779        REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
 780
 781        REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
 782
 783        before = 0x06DFB3FE;
 784        REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
 785        REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
 786
 787        if (hw->mac_type >= e1000_82543) {
 788
 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
 800        } else {
 801
 802                REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
 803                REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
 804                REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
 805                REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
 806
 807        }
 808
 809        value = E1000_MC_TBL_SIZE;
 810        for (i = 0; i < value; i++)
 811                REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
 812
 813        *data = 0;
 814        return 0;
 815}
 816
 817static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 818{
 819        struct e1000_hw *hw = &adapter->hw;
 820        u16 temp;
 821        u16 checksum = 0;
 822        u16 i;
 823
 824        *data = 0;
 825        /* Read and add up the contents of the EEPROM */
 826        for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
 827                if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
 828                        *data = 1;
 829                        break;
 830                }
 831                checksum += temp;
 832        }
 833
 834        /* If Checksum is not Correct return error else test passed */
 835        if ((checksum != (u16)EEPROM_SUM) && !(*data))
 836                *data = 2;
 837
 838        return *data;
 839}
 840
 841static irqreturn_t e1000_test_intr(int irq, void *data)
 842{
 843        struct net_device *netdev = (struct net_device *)data;
 844        struct e1000_adapter *adapter = netdev_priv(netdev);
 845        struct e1000_hw *hw = &adapter->hw;
 846
 847        adapter->test_icr |= er32(ICR);
 848
 849        return IRQ_HANDLED;
 850}
 851
 852static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 853{
 854        struct net_device *netdev = adapter->netdev;
 855        u32 mask, i = 0;
 856        bool shared_int = true;
 857        u32 irq = adapter->pdev->irq;
 858        struct e1000_hw *hw = &adapter->hw;
 859
 860        *data = 0;
 861
 862        /* NOTE: we don't test MSI interrupts here, yet */
 863        /* Hook up test interrupt handler just for this test */
 864        if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 865                         netdev))
 866                shared_int = false;
 867        else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
 868                 netdev->name, netdev)) {
 869                *data = 1;
 870                return -1;
 871        }
 872        DPRINTK(HW, INFO, "testing %s interrupt\n",
 873                (shared_int ? "shared" : "unshared"));
 874
 875        /* Disable all the interrupts */
 876        ew32(IMC, 0xFFFFFFFF);
 877        msleep(10);
 878
 879        /* Test each interrupt */
 880        for (; i < 10; i++) {
 881
 882                /* Interrupt to test */
 883                mask = 1 << i;
 884
 885                if (!shared_int) {
 886                        /* Disable the interrupt to be reported in
 887                         * the cause register and then force the same
 888                         * interrupt and see if one gets posted.  If
 889                         * an interrupt was posted to the bus, the
 890                         * test failed.
 891                         */
 892                        adapter->test_icr = 0;
 893                        ew32(IMC, mask);
 894                        ew32(ICS, mask);
 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                msleep(10);
 913
 914                if (!(adapter->test_icr & mask)) {
 915                        *data = 4;
 916                        break;
 917                }
 918
 919                if (!shared_int) {
 920                        /* Disable the other interrupts to be reported in
 921                         * the cause register and then force the other
 922                         * interrupts and see if any get posted.  If
 923                         * an interrupt was posted to the bus, the
 924                         * test failed.
 925                         */
 926                        adapter->test_icr = 0;
 927                        ew32(IMC, ~mask & 0x00007FFF);
 928                        ew32(ICS, ~mask & 0x00007FFF);
 929                        msleep(10);
 930
 931                        if (adapter->test_icr) {
 932                                *data = 5;
 933                                break;
 934                        }
 935                }
 936        }
 937
 938        /* Disable all the interrupts */
 939        ew32(IMC, 0xFFFFFFFF);
 940        msleep(10);
 941
 942        /* Unhook test interrupt handler */
 943        free_irq(irq, netdev);
 944
 945        return *data;
 946}
 947
 948static void e1000_free_desc_rings(struct e1000_adapter *adapter)
 949{
 950        struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 951        struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 952        struct pci_dev *pdev = adapter->pdev;
 953        int i;
 954
 955        if (txdr->desc && txdr->buffer_info) {
 956                for (i = 0; i < txdr->count; i++) {
 957                        if (txdr->buffer_info[i].dma)
 958                                pci_unmap_single(pdev, txdr->buffer_info[i].dma,
 959                                                 txdr->buffer_info[i].length,
 960                                                 PCI_DMA_TODEVICE);
 961                        if (txdr->buffer_info[i].skb)
 962                                dev_kfree_skb(txdr->buffer_info[i].skb);
 963                }
 964        }
 965
 966        if (rxdr->desc && rxdr->buffer_info) {
 967                for (i = 0; i < rxdr->count; i++) {
 968                        if (rxdr->buffer_info[i].dma)
 969                                pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
 970                                                 rxdr->buffer_info[i].length,
 971                                                 PCI_DMA_FROMDEVICE);
 972                        if (rxdr->buffer_info[i].skb)
 973                                dev_kfree_skb(rxdr->buffer_info[i].skb);
 974                }
 975        }
 976
 977        if (txdr->desc) {
 978                pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
 979                txdr->desc = NULL;
 980        }
 981        if (rxdr->desc) {
 982                pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
 983                rxdr->desc = NULL;
 984        }
 985
 986        kfree(txdr->buffer_info);
 987        txdr->buffer_info = NULL;
 988        kfree(rxdr->buffer_info);
 989        rxdr->buffer_info = NULL;
 990
 991        return;
 992}
 993
 994static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
 995{
 996        struct e1000_hw *hw = &adapter->hw;
 997        struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
 998        struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
 999        struct pci_dev *pdev = adapter->pdev;
1000        u32 rctl;
1001        int i, ret_val;
1002
1003        /* Setup Tx descriptor ring and Tx buffers */
1004
1005        if (!txdr->count)
1006                txdr->count = E1000_DEFAULT_TXD;
1007
1008        txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer),
1009                                    GFP_KERNEL);
1010        if (!txdr->buffer_info) {
1011                ret_val = 1;
1012                goto err_nomem;
1013        }
1014
1015        txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1016        txdr->size = ALIGN(txdr->size, 4096);
1017        txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
1018        if (!txdr->desc) {
1019                ret_val = 2;
1020                goto err_nomem;
1021        }
1022        memset(txdr->desc, 0, txdr->size);
1023        txdr->next_to_use = txdr->next_to_clean = 0;
1024
1025        ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1026        ew32(TDBAH, ((u64)txdr->dma >> 32));
1027        ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1028        ew32(TDH, 0);
1029        ew32(TDT, 0);
1030        ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1031             E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1032             E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1033
1034        for (i = 0; i < txdr->count; i++) {
1035                struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1036                struct sk_buff *skb;
1037                unsigned int size = 1024;
1038
1039                skb = alloc_skb(size, GFP_KERNEL);
1040                if (!skb) {
1041                        ret_val = 3;
1042                        goto err_nomem;
1043                }
1044                skb_put(skb, size);
1045                txdr->buffer_info[i].skb = skb;
1046                txdr->buffer_info[i].length = skb->len;
1047                txdr->buffer_info[i].dma =
1048                        pci_map_single(pdev, skb->data, skb->len,
1049                                       PCI_DMA_TODEVICE);
1050                tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1051                tx_desc->lower.data = cpu_to_le32(skb->len);
1052                tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1053                                                   E1000_TXD_CMD_IFCS |
1054                                                   E1000_TXD_CMD_RPS);
1055                tx_desc->upper.data = 0;
1056        }
1057
1058        /* Setup Rx descriptor ring and Rx buffers */
1059
1060        if (!rxdr->count)
1061                rxdr->count = E1000_DEFAULT_RXD;
1062
1063        rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
1064                                    GFP_KERNEL);
1065        if (!rxdr->buffer_info) {
1066                ret_val = 4;
1067                goto err_nomem;
1068        }
1069
1070        rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1071        rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
1072        if (!rxdr->desc) {
1073                ret_val = 5;
1074                goto err_nomem;
1075        }
1076        memset(rxdr->desc, 0, rxdr->size);
1077        rxdr->next_to_use = rxdr->next_to_clean = 0;
1078
1079        rctl = er32(RCTL);
1080        ew32(RCTL, rctl & ~E1000_RCTL_EN);
1081        ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1082        ew32(RDBAH, ((u64)rxdr->dma >> 32));
1083        ew32(RDLEN, rxdr->size);
1084        ew32(RDH, 0);
1085        ew32(RDT, 0);
1086        rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1087                E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1088                (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1089        ew32(RCTL, rctl);
1090
1091        for (i = 0; i < rxdr->count; i++) {
1092                struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1093                struct sk_buff *skb;
1094
1095                skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1096                if (!skb) {
1097                        ret_val = 6;
1098                        goto err_nomem;
1099                }
1100                skb_reserve(skb, NET_IP_ALIGN);
1101                rxdr->buffer_info[i].skb = skb;
1102                rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1103                rxdr->buffer_info[i].dma =
1104                        pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1105                                       PCI_DMA_FROMDEVICE);
1106                rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1107                memset(skb->data, 0x00, skb->len);
1108        }
1109
1110        return 0;
1111
1112err_nomem:
1113        e1000_free_desc_rings(adapter);
1114        return ret_val;
1115}
1116
1117static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1118{
1119        struct e1000_hw *hw = &adapter->hw;
1120
1121        /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1122        e1000_write_phy_reg(hw, 29, 0x001F);
1123        e1000_write_phy_reg(hw, 30, 0x8FFC);
1124        e1000_write_phy_reg(hw, 29, 0x001A);
1125        e1000_write_phy_reg(hw, 30, 0x8FF0);
1126}
1127
1128static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1129{
1130        struct e1000_hw *hw = &adapter->hw;
1131        u16 phy_reg;
1132
1133        /* Because we reset the PHY above, we need to re-force TX_CLK in the
1134         * Extended PHY Specific Control Register to 25MHz clock.  This
1135         * value defaults back to a 2.5MHz clock when the PHY is reset.
1136         */
1137        e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1138        phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1139        e1000_write_phy_reg(hw,
1140                M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1141
1142        /* In addition, because of the s/w reset above, we need to enable
1143         * CRS on TX.  This must be set for both full and half duplex
1144         * operation.
1145         */
1146        e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1147        phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1148        e1000_write_phy_reg(hw,
1149                M88E1000_PHY_SPEC_CTRL, phy_reg);
1150}
1151
1152static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1153{
1154        struct e1000_hw *hw = &adapter->hw;
1155        u32 ctrl_reg;
1156        u16 phy_reg;
1157
1158        /* Setup the Device Control Register for PHY loopback test. */
1159
1160        ctrl_reg = er32(CTRL);
1161        ctrl_reg |= (E1000_CTRL_ILOS |          /* Invert Loss-Of-Signal */
1162                     E1000_CTRL_FRCSPD |        /* Set the Force Speed Bit */
1163                     E1000_CTRL_FRCDPX |        /* Set the Force Duplex Bit */
1164                     E1000_CTRL_SPD_1000 |      /* Force Speed to 1000 */
1165                     E1000_CTRL_FD);            /* Force Duplex to FULL */
1166
1167        ew32(CTRL, ctrl_reg);
1168
1169        /* Read the PHY Specific Control Register (0x10) */
1170        e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1171
1172        /* Clear Auto-Crossover bits in PHY Specific Control Register
1173         * (bits 6:5).
1174         */
1175        phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1176        e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1177
1178        /* Perform software reset on the PHY */
1179        e1000_phy_reset(hw);
1180
1181        /* Have to setup TX_CLK and TX_CRS after software reset */
1182        e1000_phy_reset_clk_and_crs(adapter);
1183
1184        e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1185
1186        /* Wait for reset to complete. */
1187        udelay(500);
1188
1189        /* Have to setup TX_CLK and TX_CRS after software reset */
1190        e1000_phy_reset_clk_and_crs(adapter);
1191
1192        /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1193        e1000_phy_disable_receiver(adapter);
1194
1195        /* Set the loopback bit in the PHY control register. */
1196        e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1197        phy_reg |= MII_CR_LOOPBACK;
1198        e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1199
1200        /* Setup TX_CLK and TX_CRS one more time. */
1201        e1000_phy_reset_clk_and_crs(adapter);
1202
1203        /* Check Phy Configuration */
1204        e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1205        if (phy_reg != 0x4100)
1206                 return 9;
1207
1208        e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1209        if (phy_reg != 0x0070)
1210                return 10;
1211
1212        e1000_read_phy_reg(hw, 29, &phy_reg);
1213        if (phy_reg != 0x001A)
1214                return 11;
1215
1216        return 0;
1217}
1218
1219static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1220{
1221        struct e1000_hw *hw = &adapter->hw;
1222        u32 ctrl_reg = 0;
1223        u32 stat_reg = 0;
1224
1225        hw->autoneg = false;
1226
1227        if (hw->phy_type == e1000_phy_m88) {
1228                /* Auto-MDI/MDIX Off */
1229                e1000_write_phy_reg(hw,
1230                                    M88E1000_PHY_SPEC_CTRL, 0x0808);
1231                /* reset to update Auto-MDI/MDIX */
1232                e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1233                /* autoneg off */
1234                e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1235        }
1236
1237        ctrl_reg = er32(CTRL);
1238
1239        /* force 1000, set loopback */
1240        e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1241
1242        /* Now set up the MAC to the same speed/duplex as the PHY. */
1243        ctrl_reg = er32(CTRL);
1244        ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1245        ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1246                        E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1247                        E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1248                        E1000_CTRL_FD);  /* Force Duplex to FULL */
1249
1250        if (hw->media_type == e1000_media_type_copper &&
1251           hw->phy_type == e1000_phy_m88)
1252                ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1253        else {
1254                /* Set the ILOS bit on the fiber Nic is half
1255                 * duplex link is detected. */
1256                stat_reg = er32(STATUS);
1257                if ((stat_reg & E1000_STATUS_FD) == 0)
1258                        ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1259        }
1260
1261        ew32(CTRL, ctrl_reg);
1262
1263        /* Disable the receiver on the PHY so when a cable is plugged in, the
1264         * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1265         */
1266        if (hw->phy_type == e1000_phy_m88)
1267                e1000_phy_disable_receiver(adapter);
1268
1269        udelay(500);
1270
1271        return 0;
1272}
1273
1274static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1275{
1276        struct e1000_hw *hw = &adapter->hw;
1277        u16 phy_reg = 0;
1278        u16 count = 0;
1279
1280        switch (hw->mac_type) {
1281        case e1000_82543:
1282                if (hw->media_type == e1000_media_type_copper) {
1283                        /* Attempt to setup Loopback mode on Non-integrated PHY.
1284                         * Some PHY registers get corrupted at random, so
1285                         * attempt this 10 times.
1286                         */
1287                        while (e1000_nonintegrated_phy_loopback(adapter) &&
1288                              count++ < 10);
1289                        if (count < 11)
1290                                return 0;
1291                }
1292                break;
1293
1294        case e1000_82544:
1295        case e1000_82540:
1296        case e1000_82545:
1297        case e1000_82545_rev_3:
1298        case e1000_82546:
1299        case e1000_82546_rev_3:
1300        case e1000_82541:
1301        case e1000_82541_rev_2:
1302        case e1000_82547:
1303        case e1000_82547_rev_2:
1304                return e1000_integrated_phy_loopback(adapter);
1305                break;
1306        default:
1307                /* Default PHY loopback work is to read the MII
1308                 * control register and assert bit 14 (loopback mode).
1309                 */
1310                e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1311                phy_reg |= MII_CR_LOOPBACK;
1312                e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1313                return 0;
1314                break;
1315        }
1316
1317        return 8;
1318}
1319
1320static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1321{
1322        struct e1000_hw *hw = &adapter->hw;
1323        u32 rctl;
1324
1325        if (hw->media_type == e1000_media_type_fiber ||
1326            hw->media_type == e1000_media_type_internal_serdes) {
1327                switch (hw->mac_type) {
1328                case e1000_82545:
1329                case e1000_82546:
1330                case e1000_82545_rev_3:
1331                case e1000_82546_rev_3:
1332                        return e1000_set_phy_loopback(adapter);
1333                        break;
1334                default:
1335                        rctl = er32(RCTL);
1336                        rctl |= E1000_RCTL_LBM_TCVR;
1337                        ew32(RCTL, rctl);
1338                        return 0;
1339                }
1340        } else if (hw->media_type == e1000_media_type_copper)
1341                return e1000_set_phy_loopback(adapter);
1342
1343        return 7;
1344}
1345
1346static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1347{
1348        struct e1000_hw *hw = &adapter->hw;
1349        u32 rctl;
1350        u16 phy_reg;
1351
1352        rctl = er32(RCTL);
1353        rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1354        ew32(RCTL, rctl);
1355
1356        switch (hw->mac_type) {
1357        case e1000_82545:
1358        case e1000_82546:
1359        case e1000_82545_rev_3:
1360        case e1000_82546_rev_3:
1361        default:
1362                hw->autoneg = true;
1363                e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1364                if (phy_reg & MII_CR_LOOPBACK) {
1365                        phy_reg &= ~MII_CR_LOOPBACK;
1366                        e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1367                        e1000_phy_reset(hw);
1368                }
1369                break;
1370        }
1371}
1372
1373static void e1000_create_lbtest_frame(struct sk_buff *skb,
1374                                      unsigned int frame_size)
1375{
1376        memset(skb->data, 0xFF, frame_size);
1377        frame_size &= ~1;
1378        memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1379        memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1380        memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1381}
1382
1383static int e1000_check_lbtest_frame(struct sk_buff *skb,
1384                                    unsigned int frame_size)
1385{
1386        frame_size &= ~1;
1387        if (*(skb->data + 3) == 0xFF) {
1388                if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1389                   (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1390                        return 0;
1391                }
1392        }
1393        return 13;
1394}
1395
1396static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1397{
1398        struct e1000_hw *hw = &adapter->hw;
1399        struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1400        struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1401        struct pci_dev *pdev = adapter->pdev;
1402        int i, j, k, l, lc, good_cnt, ret_val=0;
1403        unsigned long time;
1404
1405        ew32(RDT, rxdr->count - 1);
1406
1407        /* Calculate the loop count based on the largest descriptor ring
1408         * The idea is to wrap the largest ring a number of times using 64
1409         * send/receive pairs during each loop
1410         */
1411
1412        if (rxdr->count <= txdr->count)
1413                lc = ((txdr->count / 64) * 2) + 1;
1414        else
1415                lc = ((rxdr->count / 64) * 2) + 1;
1416
1417        k = l = 0;
1418        for (j = 0; j <= lc; j++) { /* loop count loop */
1419                for (i = 0; i < 64; i++) { /* send the packets */
1420                        e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1421                                        1024);
1422                        pci_dma_sync_single_for_device(pdev,
1423                                        txdr->buffer_info[k].dma,
1424                                        txdr->buffer_info[k].length,
1425                                        PCI_DMA_TODEVICE);
1426                        if (unlikely(++k == txdr->count)) k = 0;
1427                }
1428                ew32(TDT, k);
1429                msleep(200);
1430                time = jiffies; /* set the start time for the receive */
1431                good_cnt = 0;
1432                do { /* receive the sent packets */
1433                        pci_dma_sync_single_for_cpu(pdev,
1434                                        rxdr->buffer_info[l].dma,
1435                                        rxdr->buffer_info[l].length,
1436                                        PCI_DMA_FROMDEVICE);
1437
1438                        ret_val = e1000_check_lbtest_frame(
1439                                        rxdr->buffer_info[l].skb,
1440                                        1024);
1441                        if (!ret_val)
1442                                good_cnt++;
1443                        if (unlikely(++l == rxdr->count)) l = 0;
1444                        /* time + 20 msecs (200 msecs on 2.4) is more than
1445                         * enough time to complete the receives, if it's
1446                         * exceeded, break and error off
1447                         */
1448                } while (good_cnt < 64 && jiffies < (time + 20));
1449                if (good_cnt != 64) {
1450                        ret_val = 13; /* ret_val is the same as mis-compare */
1451                        break;
1452                }
1453                if (jiffies >= (time + 2)) {
1454                        ret_val = 14; /* error code for time out error */
1455                        break;
1456                }
1457        } /* end loop count loop */
1458        return ret_val;
1459}
1460
1461static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1462{
1463        *data = e1000_setup_desc_rings(adapter);
1464        if (*data)
1465                goto out;
1466        *data = e1000_setup_loopback_test(adapter);
1467        if (*data)
1468                goto err_loopback;
1469        *data = e1000_run_loopback_test(adapter);
1470        e1000_loopback_cleanup(adapter);
1471
1472err_loopback:
1473        e1000_free_desc_rings(adapter);
1474out:
1475        return *data;
1476}
1477
1478static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1479{
1480        struct e1000_hw *hw = &adapter->hw;
1481        *data = 0;
1482        if (hw->media_type == e1000_media_type_internal_serdes) {
1483                int i = 0;
1484                hw->serdes_has_link = false;
1485
1486                /* On some blade server designs, link establishment
1487                 * could take as long as 2-3 minutes */
1488                do {
1489                        e1000_check_for_link(hw);
1490                        if (hw->serdes_has_link)
1491                                return *data;
1492                        msleep(20);
1493                } while (i++ < 3750);
1494
1495                *data = 1;
1496        } else {
1497                e1000_check_for_link(hw);
1498                if (hw->autoneg)  /* if auto_neg is set wait for it */
1499                        msleep(4000);
1500
1501                if (!(er32(STATUS) & E1000_STATUS_LU)) {
1502                        *data = 1;
1503                }
1504        }
1505        return *data;
1506}
1507
1508static int e1000_get_sset_count(struct net_device *netdev, int sset)
1509{
1510        switch (sset) {
1511        case ETH_SS_TEST:
1512                return E1000_TEST_LEN;
1513        case ETH_SS_STATS:
1514                return E1000_STATS_LEN;
1515        default:
1516                return -EOPNOTSUPP;
1517        }
1518}
1519
1520static void e1000_diag_test(struct net_device *netdev,
1521                            struct ethtool_test *eth_test, u64 *data)
1522{
1523        struct e1000_adapter *adapter = netdev_priv(netdev);
1524        struct e1000_hw *hw = &adapter->hw;
1525        bool if_running = netif_running(netdev);
1526
1527        set_bit(__E1000_TESTING, &adapter->flags);
1528        if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1529                /* Offline tests */
1530
1531                /* save speed, duplex, autoneg settings */
1532                u16 autoneg_advertised = hw->autoneg_advertised;
1533                u8 forced_speed_duplex = hw->forced_speed_duplex;
1534                u8 autoneg = hw->autoneg;
1535
1536                DPRINTK(HW, INFO, "offline testing starting\n");
1537
1538                /* Link test performed before hardware reset so autoneg doesn't
1539                 * interfere with test result */
1540                if (e1000_link_test(adapter, &data[4]))
1541                        eth_test->flags |= ETH_TEST_FL_FAILED;
1542
1543                if (if_running)
1544                        /* indicate we're in test mode */
1545                        dev_close(netdev);
1546                else
1547                        e1000_reset(adapter);
1548
1549                if (e1000_reg_test(adapter, &data[0]))
1550                        eth_test->flags |= ETH_TEST_FL_FAILED;
1551
1552                e1000_reset(adapter);
1553                if (e1000_eeprom_test(adapter, &data[1]))
1554                        eth_test->flags |= ETH_TEST_FL_FAILED;
1555
1556                e1000_reset(adapter);
1557                if (e1000_intr_test(adapter, &data[2]))
1558                        eth_test->flags |= ETH_TEST_FL_FAILED;
1559
1560                e1000_reset(adapter);
1561                /* make sure the phy is powered up */
1562                e1000_power_up_phy(adapter);
1563                if (e1000_loopback_test(adapter, &data[3]))
1564                        eth_test->flags |= ETH_TEST_FL_FAILED;
1565
1566                /* restore speed, duplex, autoneg settings */
1567                hw->autoneg_advertised = autoneg_advertised;
1568                hw->forced_speed_duplex = forced_speed_duplex;
1569                hw->autoneg = autoneg;
1570
1571                e1000_reset(adapter);
1572                clear_bit(__E1000_TESTING, &adapter->flags);
1573                if (if_running)
1574                        dev_open(netdev);
1575        } else {
1576                DPRINTK(HW, INFO, "online testing starting\n");
1577                /* Online tests */
1578                if (e1000_link_test(adapter, &data[4]))
1579                        eth_test->flags |= ETH_TEST_FL_FAILED;
1580
1581                /* Online tests aren't run; pass by default */
1582                data[0] = 0;
1583                data[1] = 0;
1584                data[2] = 0;
1585                data[3] = 0;
1586
1587                clear_bit(__E1000_TESTING, &adapter->flags);
1588        }
1589        msleep_interruptible(4 * 1000);
1590}
1591
1592static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1593                               struct ethtool_wolinfo *wol)
1594{
1595        struct e1000_hw *hw = &adapter->hw;
1596        int retval = 1; /* fail by default */
1597
1598        switch (hw->device_id) {
1599        case E1000_DEV_ID_82542:
1600        case E1000_DEV_ID_82543GC_FIBER:
1601        case E1000_DEV_ID_82543GC_COPPER:
1602        case E1000_DEV_ID_82544EI_FIBER:
1603        case E1000_DEV_ID_82546EB_QUAD_COPPER:
1604        case E1000_DEV_ID_82545EM_FIBER:
1605        case E1000_DEV_ID_82545EM_COPPER:
1606        case E1000_DEV_ID_82546GB_QUAD_COPPER:
1607        case E1000_DEV_ID_82546GB_PCIE:
1608                /* these don't support WoL at all */
1609                wol->supported = 0;
1610                break;
1611        case E1000_DEV_ID_82546EB_FIBER:
1612        case E1000_DEV_ID_82546GB_FIBER:
1613                /* Wake events not supported on port B */
1614                if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1615                        wol->supported = 0;
1616                        break;
1617                }
1618                /* return success for non excluded adapter ports */
1619                retval = 0;
1620                break;
1621        case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1622                /* quad port adapters only support WoL on port A */
1623                if (!adapter->quad_port_a) {
1624                        wol->supported = 0;
1625                        break;
1626                }
1627                /* return success for non excluded adapter ports */
1628                retval = 0;
1629                break;
1630        default:
1631                /* dual port cards only support WoL on port A from now on
1632                 * unless it was enabled in the eeprom for port B
1633                 * so exclude FUNC_1 ports from having WoL enabled */
1634                if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1635                    !adapter->eeprom_wol) {
1636                        wol->supported = 0;
1637                        break;
1638                }
1639
1640                retval = 0;
1641        }
1642
1643        return retval;
1644}
1645
1646static void e1000_get_wol(struct net_device *netdev,
1647                          struct ethtool_wolinfo *wol)
1648{
1649        struct e1000_adapter *adapter = netdev_priv(netdev);
1650        struct e1000_hw *hw = &adapter->hw;
1651
1652        wol->supported = WAKE_UCAST | WAKE_MCAST |
1653                         WAKE_BCAST | WAKE_MAGIC;
1654        wol->wolopts = 0;
1655
1656        /* this function will set ->supported = 0 and return 1 if wol is not
1657         * supported by this hardware */
1658        if (e1000_wol_exclusion(adapter, wol) ||
1659            !device_can_wakeup(&adapter->pdev->dev))
1660                return;
1661
1662        /* apply any specific unsupported masks here */
1663        switch (hw->device_id) {
1664        case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1665                /* KSP3 does not suppport UCAST wake-ups */
1666                wol->supported &= ~WAKE_UCAST;
1667
1668                if (adapter->wol & E1000_WUFC_EX)
1669                        DPRINTK(DRV, ERR, "Interface does not support "
1670                        "directed (unicast) frame wake-up packets\n");
1671                break;
1672        default:
1673                break;
1674        }
1675
1676        if (adapter->wol & E1000_WUFC_EX)
1677                wol->wolopts |= WAKE_UCAST;
1678        if (adapter->wol & E1000_WUFC_MC)
1679                wol->wolopts |= WAKE_MCAST;
1680        if (adapter->wol & E1000_WUFC_BC)
1681                wol->wolopts |= WAKE_BCAST;
1682        if (adapter->wol & E1000_WUFC_MAG)
1683                wol->wolopts |= WAKE_MAGIC;
1684
1685        return;
1686}
1687
1688static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1689{
1690        struct e1000_adapter *adapter = netdev_priv(netdev);
1691        struct e1000_hw *hw = &adapter->hw;
1692
1693        if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1694                return -EOPNOTSUPP;
1695
1696        if (e1000_wol_exclusion(adapter, wol) ||
1697            !device_can_wakeup(&adapter->pdev->dev))
1698                return wol->wolopts ? -EOPNOTSUPP : 0;
1699
1700        switch (hw->device_id) {
1701        case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1702                if (wol->wolopts & WAKE_UCAST) {
1703                        DPRINTK(DRV, ERR, "Interface does not support "
1704                        "directed (unicast) frame wake-up packets\n");
1705                        return -EOPNOTSUPP;
1706                }
1707                break;
1708        default:
1709                break;
1710        }
1711
1712        /* these settings will always override what we currently have */
1713        adapter->wol = 0;
1714
1715        if (wol->wolopts & WAKE_UCAST)
1716                adapter->wol |= E1000_WUFC_EX;
1717        if (wol->wolopts & WAKE_MCAST)
1718                adapter->wol |= E1000_WUFC_MC;
1719        if (wol->wolopts & WAKE_BCAST)
1720                adapter->wol |= E1000_WUFC_BC;
1721        if (wol->wolopts & WAKE_MAGIC)
1722                adapter->wol |= E1000_WUFC_MAG;
1723
1724        device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1725
1726        return 0;
1727}
1728
1729/* toggle LED 4 times per second = 2 "blinks" per second */
1730#define E1000_ID_INTERVAL       (HZ/4)
1731
1732/* bit defines for adapter->led_status */
1733#define E1000_LED_ON            0
1734
1735static void e1000_led_blink_callback(unsigned long data)
1736{
1737        struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1738        struct e1000_hw *hw = &adapter->hw;
1739
1740        if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1741                e1000_led_off(hw);
1742        else
1743                e1000_led_on(hw);
1744
1745        mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1746}
1747
1748static int e1000_phys_id(struct net_device *netdev, u32 data)
1749{
1750        struct e1000_adapter *adapter = netdev_priv(netdev);
1751        struct e1000_hw *hw = &adapter->hw;
1752
1753        if (!data)
1754                data = INT_MAX;
1755
1756        if (!adapter->blink_timer.function) {
1757                init_timer(&adapter->blink_timer);
1758                adapter->blink_timer.function = e1000_led_blink_callback;
1759                adapter->blink_timer.data = (unsigned long)adapter;
1760        }
1761        e1000_setup_led(hw);
1762        mod_timer(&adapter->blink_timer, jiffies);
1763        msleep_interruptible(data * 1000);
1764        del_timer_sync(&adapter->blink_timer);
1765
1766        e1000_led_off(hw);
1767        clear_bit(E1000_LED_ON, &adapter->led_status);
1768        e1000_cleanup_led(hw);
1769
1770        return 0;
1771}
1772
1773static int e1000_get_coalesce(struct net_device *netdev,
1774                              struct ethtool_coalesce *ec)
1775{
1776        struct e1000_adapter *adapter = netdev_priv(netdev);
1777
1778        if (adapter->hw.mac_type < e1000_82545)
1779                return -EOPNOTSUPP;
1780
1781        if (adapter->itr_setting <= 3)
1782                ec->rx_coalesce_usecs = adapter->itr_setting;
1783        else
1784                ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1785
1786        return 0;
1787}
1788
1789static int e1000_set_coalesce(struct net_device *netdev,
1790                              struct ethtool_coalesce *ec)
1791{
1792        struct e1000_adapter *adapter = netdev_priv(netdev);
1793        struct e1000_hw *hw = &adapter->hw;
1794
1795        if (hw->mac_type < e1000_82545)
1796                return -EOPNOTSUPP;
1797
1798        if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1799            ((ec->rx_coalesce_usecs > 3) &&
1800             (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1801            (ec->rx_coalesce_usecs == 2))
1802                return -EINVAL;
1803
1804        if (ec->rx_coalesce_usecs <= 3) {
1805                adapter->itr = 20000;
1806                adapter->itr_setting = ec->rx_coalesce_usecs;
1807        } else {
1808                adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1809                adapter->itr_setting = adapter->itr & ~3;
1810        }
1811
1812        if (adapter->itr_setting != 0)
1813                ew32(ITR, 1000000000 / (adapter->itr * 256));
1814        else
1815                ew32(ITR, 0);
1816
1817        return 0;
1818}
1819
1820static int e1000_nway_reset(struct net_device *netdev)
1821{
1822        struct e1000_adapter *adapter = netdev_priv(netdev);
1823        if (netif_running(netdev))
1824                e1000_reinit_locked(adapter);
1825        return 0;
1826}
1827
1828static void e1000_get_ethtool_stats(struct net_device *netdev,
1829                                    struct ethtool_stats *stats, u64 *data)
1830{
1831        struct e1000_adapter *adapter = netdev_priv(netdev);
1832        int i;
1833
1834        e1000_update_stats(adapter);
1835        for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1836                char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1837                data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1838                        sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1839        }
1840/*      BUG_ON(i != E1000_STATS_LEN); */
1841}
1842
1843static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1844                              u8 *data)
1845{
1846        u8 *p = data;
1847        int i;
1848
1849        switch (stringset) {
1850        case ETH_SS_TEST:
1851                memcpy(data, *e1000_gstrings_test,
1852                        sizeof(e1000_gstrings_test));
1853                break;
1854        case ETH_SS_STATS:
1855                for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1856                        memcpy(p, e1000_gstrings_stats[i].stat_string,
1857                               ETH_GSTRING_LEN);
1858                        p += ETH_GSTRING_LEN;
1859                }
1860/*              BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1861                break;
1862        }
1863}
1864
1865static const struct ethtool_ops e1000_ethtool_ops = {
1866        .get_settings           = e1000_get_settings,
1867        .set_settings           = e1000_set_settings,
1868        .get_drvinfo            = e1000_get_drvinfo,
1869        .get_regs_len           = e1000_get_regs_len,
1870        .get_regs               = e1000_get_regs,
1871        .get_wol                = e1000_get_wol,
1872        .set_wol                = e1000_set_wol,
1873        .get_msglevel           = e1000_get_msglevel,
1874        .set_msglevel           = e1000_set_msglevel,
1875        .nway_reset             = e1000_nway_reset,
1876        .get_link               = ethtool_op_get_link,
1877        .get_eeprom_len         = e1000_get_eeprom_len,
1878        .get_eeprom             = e1000_get_eeprom,
1879        .set_eeprom             = e1000_set_eeprom,
1880        .get_ringparam          = e1000_get_ringparam,
1881        .set_ringparam          = e1000_set_ringparam,
1882        .get_pauseparam         = e1000_get_pauseparam,
1883        .set_pauseparam         = e1000_set_pauseparam,
1884        .get_rx_csum            = e1000_get_rx_csum,
1885        .set_rx_csum            = e1000_set_rx_csum,
1886        .get_tx_csum            = e1000_get_tx_csum,
1887        .set_tx_csum            = e1000_set_tx_csum,
1888        .set_sg                 = ethtool_op_set_sg,
1889        .set_tso                = e1000_set_tso,
1890        .self_test              = e1000_diag_test,
1891        .get_strings            = e1000_get_strings,
1892        .phys_id                = e1000_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};
1898
1899void e1000_set_ethtool_ops(struct net_device *netdev)
1900{
1901        SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1902}
1903
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