drivers/net/benet/be_ethtool.c

   1 /*
   2  * Copyright (C) 2005 - 2009 ServerEngines
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation.  The full GNU General
   8  * Public License is included in this distribution in the file called COPYING.
   9  *
  10  * Contact Information:
  11  * linux-drivers@serverengines.com
  12  *
  13  * ServerEngines
  14  * 209 N. Fair Oaks Ave
  15  * Sunnyvale, CA 94085
  16  */
  17
  18 #include "be.h"
  19 #include "be_cmds.h"
  20 #include <linux/ethtool.h>
  21
  22 struct be_ethtool_stat {
  23         char desc[ETH_GSTRING_LEN];
  24         int type;
  25         int size;
  26         int offset;
  27 };
  28
  29 enum {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT, ERXSTAT};
  30 #define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
  31                                         offsetof(_struct, field)
  32 #define NETSTAT_INFO(field)     #field, NETSTAT,\
  33                                         FIELDINFO(struct net_device_stats,\
  34                                                 field)
  35 #define DRVSTAT_INFO(field)     #field, DRVSTAT,\
  36                                         FIELDINFO(struct be_drvr_stats, field)
  37 #define MISCSTAT_INFO(field)    #field, MISCSTAT,\
  38                                         FIELDINFO(struct be_rxf_stats, field)
  39 #define PORTSTAT_INFO(field)    #field, PORTSTAT,\
  40                                         FIELDINFO(struct be_port_rxf_stats, \
  41                                                 field)
  42 #define ERXSTAT_INFO(field)     #field, ERXSTAT,\
  43                                         FIELDINFO(struct be_erx_stats, field)
  44
  45 static const struct be_ethtool_stat et_stats[] = {
  46         {NETSTAT_INFO(rx_packets)},
  47         {NETSTAT_INFO(tx_packets)},
  48         {NETSTAT_INFO(rx_bytes)},
  49         {NETSTAT_INFO(tx_bytes)},
  50         {NETSTAT_INFO(rx_errors)},
  51         {NETSTAT_INFO(tx_errors)},
  52         {NETSTAT_INFO(rx_dropped)},
  53         {NETSTAT_INFO(tx_dropped)},
  54         {DRVSTAT_INFO(be_tx_reqs)},
  55         {DRVSTAT_INFO(be_tx_stops)},
  56         {DRVSTAT_INFO(be_fwd_reqs)},
  57         {DRVSTAT_INFO(be_tx_wrbs)},
  58         {DRVSTAT_INFO(be_rx_polls)},
  59         {DRVSTAT_INFO(be_tx_events)},
  60         {DRVSTAT_INFO(be_rx_events)},
  61         {DRVSTAT_INFO(be_tx_compl)},
  62         {DRVSTAT_INFO(be_rx_compl)},
  63         {DRVSTAT_INFO(be_ethrx_post_fail)},
  64         {DRVSTAT_INFO(be_802_3_dropped_frames)},
  65         {DRVSTAT_INFO(be_802_3_malformed_frames)},
  66         {DRVSTAT_INFO(be_tx_rate)},
  67         {DRVSTAT_INFO(be_rx_rate)},
  68         {PORTSTAT_INFO(rx_unicast_frames)},
  69         {PORTSTAT_INFO(rx_multicast_frames)},
  70         {PORTSTAT_INFO(rx_broadcast_frames)},
  71         {PORTSTAT_INFO(rx_crc_errors)},
  72         {PORTSTAT_INFO(rx_alignment_symbol_errors)},
  73         {PORTSTAT_INFO(rx_pause_frames)},
  74         {PORTSTAT_INFO(rx_control_frames)},
  75         {PORTSTAT_INFO(rx_in_range_errors)},
  76         {PORTSTAT_INFO(rx_out_range_errors)},
  77         {PORTSTAT_INFO(rx_frame_too_long)},
  78         {PORTSTAT_INFO(rx_address_match_errors)},
  79         {PORTSTAT_INFO(rx_vlan_mismatch)},
  80         {PORTSTAT_INFO(rx_dropped_too_small)},
  81         {PORTSTAT_INFO(rx_dropped_too_short)},
  82         {PORTSTAT_INFO(rx_dropped_header_too_small)},
  83         {PORTSTAT_INFO(rx_dropped_tcp_length)},
  84         {PORTSTAT_INFO(rx_dropped_runt)},
  85         {PORTSTAT_INFO(rx_fifo_overflow)},
  86         {PORTSTAT_INFO(rx_input_fifo_overflow)},
  87         {PORTSTAT_INFO(rx_ip_checksum_errs)},
  88         {PORTSTAT_INFO(rx_tcp_checksum_errs)},
  89         {PORTSTAT_INFO(rx_udp_checksum_errs)},
  90         {PORTSTAT_INFO(rx_non_rss_packets)},
  91         {PORTSTAT_INFO(rx_ipv4_packets)},
  92         {PORTSTAT_INFO(rx_ipv6_packets)},
  93         {PORTSTAT_INFO(tx_unicastframes)},
  94         {PORTSTAT_INFO(tx_multicastframes)},
  95         {PORTSTAT_INFO(tx_broadcastframes)},
  96         {PORTSTAT_INFO(tx_pauseframes)},
  97         {PORTSTAT_INFO(tx_controlframes)},
  98         {MISCSTAT_INFO(rx_drops_no_pbuf)},
  99         {MISCSTAT_INFO(rx_drops_no_txpb)},
 100         {MISCSTAT_INFO(rx_drops_no_erx_descr)},
 101         {MISCSTAT_INFO(rx_drops_no_tpre_descr)},
 102         {MISCSTAT_INFO(rx_drops_too_many_frags)},
 103         {MISCSTAT_INFO(rx_drops_invalid_ring)},
 104         {MISCSTAT_INFO(forwarded_packets)},
 105         {MISCSTAT_INFO(rx_drops_mtu)},
 106         {ERXSTAT_INFO(rx_drops_no_fragments)},
 107 };
 108 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
 109
 110 static const char et_self_tests[][ETH_GSTRING_LEN] = {
 111         "MAC Loopback test",
 112         "PHY Loopback test",
 113         "External Loopback test",
 114         "DDR DMA test"
 115 };
 116
 117 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
 118 #define BE_MAC_LOOPBACK 0x0
 119 #define BE_PHY_LOOPBACK 0x1
 120 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
 121 #define BE_NO_LOOPBACK 0xff
 122
 123 static void
 124 be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 125 {
 126         struct be_adapter *adapter = netdev_priv(netdev);
 127
 128         strcpy(drvinfo->driver, DRV_NAME);
 129         strcpy(drvinfo->version, DRV_VER);
 130         strncpy(drvinfo->fw_version, adapter->fw_ver, FW_VER_LEN);
 131         strcpy(drvinfo->bus_info, pci_name(adapter->pdev));
 132         drvinfo->testinfo_len = 0;
 133         drvinfo->regdump_len = 0;
 134         drvinfo->eedump_len = 0;
 135 }
 136
 137 static int
 138 be_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
 139 {
 140         struct be_adapter *adapter = netdev_priv(netdev);
 141         struct be_eq_obj *rx_eq = &adapter->rx_eq;
 142         struct be_eq_obj *tx_eq = &adapter->tx_eq;
 143
 144         coalesce->rx_coalesce_usecs = rx_eq->cur_eqd;
 145         coalesce->rx_coalesce_usecs_high = rx_eq->max_eqd;
 146         coalesce->rx_coalesce_usecs_low = rx_eq->min_eqd;
 147
 148         coalesce->tx_coalesce_usecs = tx_eq->cur_eqd;
 149         coalesce->tx_coalesce_usecs_high = tx_eq->max_eqd;
 150         coalesce->tx_coalesce_usecs_low = tx_eq->min_eqd;
 151
 152         coalesce->use_adaptive_rx_coalesce = rx_eq->enable_aic;
 153         coalesce->use_adaptive_tx_coalesce = tx_eq->enable_aic;
 154
 155         return 0;
 156 }
 157
 158 /*
 159  * This routine is used to set interrup coalescing delay
 160  */
 161 static int
 162 be_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
 163 {
 164         struct be_adapter *adapter = netdev_priv(netdev);
 165         struct be_eq_obj *rx_eq = &adapter->rx_eq;
 166         struct be_eq_obj *tx_eq = &adapter->tx_eq;
 167         u32 tx_max, tx_min, tx_cur;
 168         u32 rx_max, rx_min, rx_cur;
 169         int status = 0;
 170
 171         if (coalesce->use_adaptive_tx_coalesce == 1)
 172                 return -EINVAL;
 173
 174         /* if AIC is being turned on now, start with an EQD of 0 */
 175         if (rx_eq->enable_aic == 0 &&
 176                 coalesce->use_adaptive_rx_coalesce == 1) {
 177                 rx_eq->cur_eqd = 0;
 178         }
 179         rx_eq->enable_aic = coalesce->use_adaptive_rx_coalesce;
 180
 181         rx_max = coalesce->rx_coalesce_usecs_high;
 182         rx_min = coalesce->rx_coalesce_usecs_low;
 183         rx_cur = coalesce->rx_coalesce_usecs;
 184
 185         tx_max = coalesce->tx_coalesce_usecs_high;
 186         tx_min = coalesce->tx_coalesce_usecs_low;
 187         tx_cur = coalesce->tx_coalesce_usecs;
 188
 189         if (tx_cur > BE_MAX_EQD)
 190                 tx_cur = BE_MAX_EQD;
 191         if (tx_eq->cur_eqd != tx_cur) {
 192                 status = be_cmd_modify_eqd(adapter, tx_eq->q.id, tx_cur);
 193                 if (!status)
 194                         tx_eq->cur_eqd = tx_cur;
 195         }
 196
 197         if (rx_eq->enable_aic) {
 198                 if (rx_max > BE_MAX_EQD)
 199                         rx_max = BE_MAX_EQD;
 200                 if (rx_min > rx_max)
 201                         rx_min = rx_max;
 202                 rx_eq->max_eqd = rx_max;
 203                 rx_eq->min_eqd = rx_min;
 204                 if (rx_eq->cur_eqd > rx_max)
 205                         rx_eq->cur_eqd = rx_max;
 206                 if (rx_eq->cur_eqd < rx_min)
 207                         rx_eq->cur_eqd = rx_min;
 208         } else {
 209                 if (rx_cur > BE_MAX_EQD)
 210                         rx_cur = BE_MAX_EQD;
 211                 if (rx_eq->cur_eqd != rx_cur) {
 212                         status = be_cmd_modify_eqd(adapter, rx_eq->q.id,
 213                                         rx_cur);
 214                         if (!status)
 215                                 rx_eq->cur_eqd = rx_cur;
 216                 }
 217         }
 218         return 0;
 219 }
 220
 221 static u32 be_get_rx_csum(struct net_device *netdev)
 222 {
 223         struct be_adapter *adapter = netdev_priv(netdev);
 224
 225         return adapter->rx_csum;
 226 }
 227
 228 static int be_set_rx_csum(struct net_device *netdev, uint32_t data)
 229 {
 230         struct be_adapter *adapter = netdev_priv(netdev);
 231
 232         if (data)
 233                 adapter->rx_csum = true;
 234         else
 235                 adapter->rx_csum = false;
 236
 237         return 0;
 238 }
 239
 240 static void
 241 be_get_ethtool_stats(struct net_device *netdev,
 242                 struct ethtool_stats *stats, uint64_t *data)
 243 {
 244         struct be_adapter *adapter = netdev_priv(netdev);
 245         struct be_drvr_stats *drvr_stats = &adapter->stats.drvr_stats;
 246         struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats.cmd.va);
 247         struct be_rxf_stats *rxf_stats = &hw_stats->rxf;
 248         struct be_port_rxf_stats *port_stats =
 249                         &rxf_stats->port[adapter->port_num];
 250         struct net_device_stats *net_stats = &netdev->stats;
 251         struct be_erx_stats *erx_stats = &hw_stats->erx;
 252         void *p = NULL;
 253         int i;
 254
 255         for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 256                 switch (et_stats[i].type) {
 257                 case NETSTAT:
 258                         p = net_stats;
 259                         break;
 260                 case DRVSTAT:
 261                         p = drvr_stats;
 262                         break;
 263                 case PORTSTAT:
 264                         p = port_stats;
 265                         break;
 266                 case MISCSTAT:
 267                         p = rxf_stats;
 268                         break;
 269                 case ERXSTAT: /* Currently only one ERX stat is provided */
 270                         p = (u32 *)erx_stats + adapter->rx_obj.q.id;
 271                         break;
 272                 }
 273
 274                 p = (u8 *)p + et_stats[i].offset;
 275                 data[i] = (et_stats[i].size == sizeof(u64)) ?
 276                                 *(u64 *)p: *(u32 *)p;
 277         }
 278
 279         return;
 280 }
 281
 282 static void
 283 be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 284                 uint8_t *data)
 285 {
 286         int i;
 287         switch (stringset) {
 288         case ETH_SS_STATS:
 289                 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 290                         memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
 291                         data += ETH_GSTRING_LEN;
 292                 }
 293                 break;
 294         case ETH_SS_TEST:
 295                 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
 296                         memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
 297                         data += ETH_GSTRING_LEN;
 298                 }
 299                 break;
 300         }
 301 }
 302
 303 static int be_get_sset_count(struct net_device *netdev, int stringset)
 304 {
 305         switch (stringset) {
 306         case ETH_SS_TEST:
 307                 return ETHTOOL_TESTS_NUM;
 308         case ETH_SS_STATS:
 309                 return ETHTOOL_STATS_NUM;
 310         default:
 311                 return -EINVAL;
 312         }
 313 }
 314
 315 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 316 {
 317         struct be_adapter *adapter = netdev_priv(netdev);
 318         u8 mac_speed = 0, connector = 0;
 319         u16 link_speed = 0;
 320         bool link_up = false;
 321         int status;
 322
 323         if (adapter->link_speed < 0) {
 324                 status = be_cmd_link_status_query(adapter, &link_up,
 325                                                 &mac_speed, &link_speed);
 326
 327                 /* link_speed is in units of 10 Mbps */
 328                 if (link_speed) {
 329                         ecmd->speed = link_speed*10;
 330                 } else {
 331                         switch (mac_speed) {
 332                         case PHY_LINK_SPEED_1GBPS:
 333                                 ecmd->speed = SPEED_1000;
 334                                 break;
 335                         case PHY_LINK_SPEED_10GBPS:
 336                                 ecmd->speed = SPEED_10000;
 337                                 break;
 338                         }
 339                 }
 340
 341                 status = be_cmd_read_port_type(adapter, adapter->port_num,
 342                                                 &connector);
 343                 if (!status) {
 344                         switch (connector) {
 345                         case 7:
 346                                 ecmd->port = PORT_FIBRE;
 347                                 ecmd->transceiver = XCVR_EXTERNAL;
 348                                 break;
 349                         case 0:
 350                                 ecmd->port = PORT_TP;
 351                                 ecmd->transceiver = XCVR_EXTERNAL;
 352                                 break;
 353                         default:
 354                                 ecmd->port = PORT_TP;
 355                                 ecmd->transceiver = XCVR_INTERNAL;
 356                                 break;
 357                         }
 358                 } else {
 359                         ecmd->port = PORT_AUI;
 360                         ecmd->transceiver = XCVR_INTERNAL;
 361                 }
 362
 363                 /* Save for future use */
 364                 adapter->link_speed = ecmd->speed;
 365                 adapter->port_type = ecmd->port;
 366                 adapter->transceiver = ecmd->transceiver;
 367         } else {
 368                 ecmd->speed = adapter->link_speed;
 369                 ecmd->port = adapter->port_type;
 370                 ecmd->transceiver = adapter->transceiver;
 371         }
 372
 373         ecmd->duplex = DUPLEX_FULL;
 374         ecmd->autoneg = AUTONEG_DISABLE;
 375         ecmd->phy_address = adapter->port_num;
 376         switch (ecmd->port) {
 377         case PORT_FIBRE:
 378                 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
 379                 break;
 380         case PORT_TP:
 381                 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_TP);
 382                 break;
 383         case PORT_AUI:
 384                 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_AUI);
 385                 break;
 386         }
 387
 388         return 0;
 389 }
 390
 391 static void
 392 be_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
 393 {
 394         struct be_adapter *adapter = netdev_priv(netdev);
 395
 396         ring->rx_max_pending = adapter->rx_obj.q.len;
 397         ring->tx_max_pending = adapter->tx_obj.q.len;
 398
 399         ring->rx_pending = atomic_read(&adapter->rx_obj.q.used);
 400         ring->tx_pending = atomic_read(&adapter->tx_obj.q.used);
 401 }
 402
 403 static void
 404 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 405 {
 406         struct be_adapter *adapter = netdev_priv(netdev);
 407
 408         be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
 409         ecmd->autoneg = 0;
 410 }
 411
 412 static int
 413 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 414 {
 415         struct be_adapter *adapter = netdev_priv(netdev);
 416         int status;
 417
 418         if (ecmd->autoneg != 0)
 419                 return -EINVAL;
 420         adapter->tx_fc = ecmd->tx_pause;
 421         adapter->rx_fc = ecmd->rx_pause;
 422
 423         status = be_cmd_set_flow_control(adapter,
 424                                         adapter->tx_fc, adapter->rx_fc);
 425         if (status)
 426                 dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
 427
 428         return status;
 429 }
 430
 431 static int
 432 be_phys_id(struct net_device *netdev, u32 data)
 433 {
 434         struct be_adapter *adapter = netdev_priv(netdev);
 435         int status;
 436         u32 cur;
 437
 438         be_cmd_get_beacon_state(adapter, adapter->port_num, &cur);
 439
 440         if (cur == BEACON_STATE_ENABLED)
 441                 return 0;
 442
 443         if (data < 2)
 444                 data = 2;
 445
 446         status = be_cmd_set_beacon_state(adapter, adapter->port_num, 0, 0,
 447                         BEACON_STATE_ENABLED);
 448         set_current_state(TASK_INTERRUPTIBLE);
 449         schedule_timeout(data*HZ);
 450
 451         status = be_cmd_set_beacon_state(adapter, adapter->port_num, 0, 0,
 452                         BEACON_STATE_DISABLED);
 453
 454         return status;
 455 }
 456
 457 static void
 458 be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 459 {
 460         struct be_adapter *adapter = netdev_priv(netdev);
 461
 462         wol->supported = WAKE_MAGIC;
 463         if (adapter->wol)
 464                 wol->wolopts = WAKE_MAGIC;
 465         else
 466                 wol->wolopts = 0;
 467         memset(&wol->sopass, 0, sizeof(wol->sopass));
 468         return;
 469 }
 470
 471 static int
 472 be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 473 {
 474         struct be_adapter *adapter = netdev_priv(netdev);
 475
 476         if (wol->wolopts & ~WAKE_MAGIC)
 477                 return -EINVAL;
 478
 479         if (wol->wolopts & WAKE_MAGIC)
 480                 adapter->wol = true;
 481         else
 482                 adapter->wol = false;
 483
 484         return 0;
 485 }
 486
 487 static int
 488 be_test_ddr_dma(struct be_adapter *adapter)
 489 {
 490         int ret, i;
 491         struct be_dma_mem ddrdma_cmd;
 492         u64 pattern[2] = {0x5a5a5a5a5a5a5a5a, 0xa5a5a5a5a5a5a5a5};
 493
 494         ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 495         ddrdma_cmd.va = pci_alloc_consistent(adapter->pdev, ddrdma_cmd.size,
 496                                         &ddrdma_cmd.dma);
 497         if (!ddrdma_cmd.va) {
 498                 dev_err(&adapter->pdev->dev, "Memory allocation failure \n");
 499                 return -ENOMEM;
 500         }
 501
 502         for (i = 0; i < 2; i++) {
 503                 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
 504                                         4096, &ddrdma_cmd);
 505                 if (ret != 0)
 506                         goto err;
 507         }
 508
 509 err:
 510         pci_free_consistent(adapter->pdev, ddrdma_cmd.size,
 511                         ddrdma_cmd.va, ddrdma_cmd.dma);
 512         return ret;
 513 }
 514
 515 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
 516                                 u64 *status)
 517 {
 518         be_cmd_set_loopback(adapter, adapter->port_num,
 519                                 loopback_type, 1);
 520         *status = be_cmd_loopback_test(adapter, adapter->port_num,
 521                                 loopback_type, 1500,
 522                                 2, 0xabc);
 523         be_cmd_set_loopback(adapter, adapter->port_num,
 524                                 BE_NO_LOOPBACK, 1);
 525         return *status;
 526 }
 527
 528 static void
 529 be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data)
 530 {
 531         struct be_adapter *adapter = netdev_priv(netdev);
 532
 533         memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
 534
 535         if (test->flags & ETH_TEST_FL_OFFLINE) {
 536                 if (be_loopback_test(adapter, BE_MAC_LOOPBACK,
 537                                                 &data[0]) != 0) {
 538                         test->flags |= ETH_TEST_FL_FAILED;
 539                 }
 540                 if (be_loopback_test(adapter, BE_PHY_LOOPBACK,
 541                                                 &data[1]) != 0) {
 542                         test->flags |= ETH_TEST_FL_FAILED;
 543                 }
 544                 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
 545                                                 &data[2]) != 0) {
 546                         test->flags |= ETH_TEST_FL_FAILED;
 547                 }
 548         }
 549
 550         if (be_test_ddr_dma(adapter) != 0) {
 551                 data[3] = 1;
 552                 test->flags |= ETH_TEST_FL_FAILED;
 553         }
 554
 555 }
 556
 557 static int
 558 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 559 {
 560         struct be_adapter *adapter = netdev_priv(netdev);
 561         char file_name[ETHTOOL_FLASH_MAX_FILENAME];
 562         u32 region;
 563
 564         file_name[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
 565         strcpy(file_name, efl->data);
 566         region = efl->region;
 567
 568         return be_load_fw(adapter, file_name);
 569 }
 570
 571 static int
 572 be_get_eeprom_len(struct net_device *netdev)
 573 {
 574         return BE_READ_SEEPROM_LEN;
 575 }
 576
 577 static int
 578 be_read_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 579                         uint8_t *data)
 580 {
 581         struct be_adapter *adapter = netdev_priv(netdev);
 582         struct be_dma_mem eeprom_cmd;
 583         struct be_cmd_resp_seeprom_read *resp;
 584         int status;
 585
 586         if (!eeprom->len)
 587                 return -EINVAL;
 588
 589         eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
 590
 591         memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
 592         eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
 593         eeprom_cmd.va = pci_alloc_consistent(adapter->pdev, eeprom_cmd.size,
 594                                 &eeprom_cmd.dma);
 595
 596         if (!eeprom_cmd.va) {
 597                 dev_err(&adapter->pdev->dev,
 598                         "Memory allocation failure. Could not read eeprom\n");
 599                 return -ENOMEM;
 600         }
 601
 602         status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
 603
 604         if (!status) {
 605                 resp = (struct be_cmd_resp_seeprom_read *) eeprom_cmd.va;
 606                 memcpy(data, resp->seeprom_data, eeprom->len);
 607         }
 608         pci_free_consistent(adapter->pdev, eeprom_cmd.size, eeprom_cmd.va,
 609                         eeprom_cmd.dma);
 610
 611         return status;
 612 }
 613
 614 const struct ethtool_ops be_ethtool_ops = {
 615         .get_settings = be_get_settings,
 616         .get_drvinfo = be_get_drvinfo,
 617         .get_wol = be_get_wol,
 618         .set_wol = be_set_wol,
 619         .get_link = ethtool_op_get_link,
 620         .get_eeprom_len = be_get_eeprom_len,
 621         .get_eeprom = be_read_eeprom,
 622         .get_coalesce = be_get_coalesce,
 623         .set_coalesce = be_set_coalesce,
 624         .get_ringparam = be_get_ringparam,
 625         .get_pauseparam = be_get_pauseparam,
 626         .set_pauseparam = be_set_pauseparam,
 627         .get_rx_csum = be_get_rx_csum,
 628         .set_rx_csum = be_set_rx_csum,
 629         .get_tx_csum = ethtool_op_get_tx_csum,
 630         .set_tx_csum = ethtool_op_set_tx_hw_csum,
 631         .get_sg = ethtool_op_get_sg,
 632         .set_sg = ethtool_op_set_sg,
 633         .get_tso = ethtool_op_get_tso,
 634         .set_tso = ethtool_op_set_tso,
 635         .get_strings = be_get_stat_strings,
 636         .phys_id = be_phys_id,
 637         .get_sset_count = be_get_sset_count,
 638         .get_ethtool_stats = be_get_ethtool_stats,
 639         .flash_device = be_do_flash,
 640         .self_test = be_self_test,
 641 };