drivers/net/benet/be_ethtool.c

   1 /*
   2  * Copyright (C) 2005 - 2011 Emulex
   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@emulex.com
  12  *
  13  * Emulex
  14  * 3333 Susan Street
  15  * Costa Mesa, CA 92626
  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, DRVSTAT_TX, DRVSTAT_RX, ERXSTAT,
  30                         DRVSTAT};
  31 #define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
  32                                         offsetof(_struct, field)
  33 #define NETSTAT_INFO(field)     #field, NETSTAT,\
  34                                         FIELDINFO(struct net_device_stats,\
  35                                                 field)
  36 #define DRVSTAT_TX_INFO(field)  #field, DRVSTAT_TX,\
  37                                         FIELDINFO(struct be_tx_stats, field)
  38 #define DRVSTAT_RX_INFO(field)  #field, DRVSTAT_RX,\
  39                                         FIELDINFO(struct be_rx_stats, field)
  40 #define ERXSTAT_INFO(field)     #field, ERXSTAT,\
  41                                         FIELDINFO(struct be_erx_stats_v1, field)
  42 #define DRVSTAT_INFO(field)     #field, DRVSTAT,\
  43                                         FIELDINFO(struct be_drv_stats, \
  44                                                 field)
  45
  46 static const struct be_ethtool_stat et_stats[] = {
  47         {NETSTAT_INFO(rx_packets)},
  48         {NETSTAT_INFO(tx_packets)},
  49         {NETSTAT_INFO(rx_bytes)},
  50         {NETSTAT_INFO(tx_bytes)},
  51         {NETSTAT_INFO(rx_errors)},
  52         {NETSTAT_INFO(tx_errors)},
  53         {NETSTAT_INFO(rx_dropped)},
  54         {NETSTAT_INFO(tx_dropped)},
  55         {DRVSTAT_INFO(be_tx_events)},
  56         {DRVSTAT_INFO(rx_crc_errors)},
  57         {DRVSTAT_INFO(rx_alignment_symbol_errors)},
  58         {DRVSTAT_INFO(rx_pause_frames)},
  59         {DRVSTAT_INFO(rx_control_frames)},
  60         {DRVSTAT_INFO(rx_in_range_errors)},
  61         {DRVSTAT_INFO(rx_out_range_errors)},
  62         {DRVSTAT_INFO(rx_frame_too_long)},
  63         {DRVSTAT_INFO(rx_address_match_errors)},
  64         {DRVSTAT_INFO(rx_dropped_too_small)},
  65         {DRVSTAT_INFO(rx_dropped_too_short)},
  66         {DRVSTAT_INFO(rx_dropped_header_too_small)},
  67         {DRVSTAT_INFO(rx_dropped_tcp_length)},
  68         {DRVSTAT_INFO(rx_dropped_runt)},
  69         {DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
  70         {DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
  71         {DRVSTAT_INFO(rx_ip_checksum_errs)},
  72         {DRVSTAT_INFO(rx_tcp_checksum_errs)},
  73         {DRVSTAT_INFO(rx_udp_checksum_errs)},
  74         {DRVSTAT_INFO(rx_switched_unicast_packets)},
  75         {DRVSTAT_INFO(rx_switched_multicast_packets)},
  76         {DRVSTAT_INFO(rx_switched_broadcast_packets)},
  77         {DRVSTAT_INFO(tx_pauseframes)},
  78         {DRVSTAT_INFO(tx_controlframes)},
  79         {DRVSTAT_INFO(rx_priority_pause_frames)},
  80         {DRVSTAT_INFO(pmem_fifo_overflow_drop)},
  81         {DRVSTAT_INFO(jabber_events)},
  82         {DRVSTAT_INFO(rx_drops_no_pbuf)},
  83         {DRVSTAT_INFO(rx_drops_no_txpb)},
  84         {DRVSTAT_INFO(rx_drops_no_erx_descr)},
  85         {DRVSTAT_INFO(rx_drops_no_tpre_descr)},
  86         {DRVSTAT_INFO(rx_drops_too_many_frags)},
  87         {DRVSTAT_INFO(rx_drops_invalid_ring)},
  88         {DRVSTAT_INFO(forwarded_packets)},
  89         {DRVSTAT_INFO(rx_drops_mtu)},
  90         {DRVSTAT_INFO(eth_red_drops)},
  91         {DRVSTAT_INFO(be_on_die_temperature)}
  92 };
  93 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
  94
  95 /* Stats related to multi RX queues */
  96 static const struct be_ethtool_stat et_rx_stats[] = {
  97         {DRVSTAT_RX_INFO(rx_bytes)},
  98         {DRVSTAT_RX_INFO(rx_pkts)},
  99         {DRVSTAT_RX_INFO(rx_rate)},
 100         {DRVSTAT_RX_INFO(rx_polls)},
 101         {DRVSTAT_RX_INFO(rx_events)},
 102         {DRVSTAT_RX_INFO(rx_compl)},
 103         {DRVSTAT_RX_INFO(rx_mcast_pkts)},
 104         {DRVSTAT_RX_INFO(rx_post_fail)},
 105         {ERXSTAT_INFO(rx_drops_no_fragments)}
 106 };
 107 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
 108
 109 /* Stats related to multi TX queues */
 110 static const struct be_ethtool_stat et_tx_stats[] = {
 111         {DRVSTAT_TX_INFO(be_tx_rate)},
 112         {DRVSTAT_TX_INFO(be_tx_reqs)},
 113         {DRVSTAT_TX_INFO(be_tx_wrbs)},
 114         {DRVSTAT_TX_INFO(be_tx_stops)},
 115         {DRVSTAT_TX_INFO(be_tx_compl)}
 116 };
 117 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
 118
 119 static const char et_self_tests[][ETH_GSTRING_LEN] = {
 120         "MAC Loopback test",
 121         "PHY Loopback test",
 122         "External Loopback test",
 123         "DDR DMA test",
 124         "Link test"
 125 };
 126
 127 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
 128 #define BE_MAC_LOOPBACK 0x0
 129 #define BE_PHY_LOOPBACK 0x1
 130 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
 131 #define BE_NO_LOOPBACK 0xff
 132
 133 static void
 134 be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 135 {
 136         struct be_adapter *adapter = netdev_priv(netdev);
 137
 138         strcpy(drvinfo->driver, DRV_NAME);
 139         strcpy(drvinfo->version, DRV_VER);
 140         strncpy(drvinfo->fw_version, adapter->fw_ver, FW_VER_LEN);
 141         strcpy(drvinfo->bus_info, pci_name(adapter->pdev));
 142         drvinfo->testinfo_len = 0;
 143         drvinfo->regdump_len = 0;
 144         drvinfo->eedump_len = 0;
 145 }
 146
 147 static int
 148 be_get_reg_len(struct net_device *netdev)
 149 {
 150         struct be_adapter *adapter = netdev_priv(netdev);
 151         u32 log_size = 0;
 152
 153         if (be_physfn(adapter))
 154                 be_cmd_get_reg_len(adapter, &log_size);
 155
 156         return log_size;
 157 }
 158
 159 static void
 160 be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf)
 161 {
 162         struct be_adapter *adapter = netdev_priv(netdev);
 163
 164         if (be_physfn(adapter)) {
 165                 memset(buf, 0, regs->len);
 166                 be_cmd_get_regs(adapter, regs->len, buf);
 167         }
 168 }
 169
 170 static int
 171 be_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
 172 {
 173         struct be_adapter *adapter = netdev_priv(netdev);
 174         struct be_eq_obj *rx_eq = &adapter->rx_obj[0].rx_eq;
 175         struct be_eq_obj *tx_eq = &adapter->tx_eq;
 176
 177         coalesce->rx_coalesce_usecs = rx_eq->cur_eqd;
 178         coalesce->rx_coalesce_usecs_high = rx_eq->max_eqd;
 179         coalesce->rx_coalesce_usecs_low = rx_eq->min_eqd;
 180
 181         coalesce->tx_coalesce_usecs = tx_eq->cur_eqd;
 182         coalesce->tx_coalesce_usecs_high = tx_eq->max_eqd;
 183         coalesce->tx_coalesce_usecs_low = tx_eq->min_eqd;
 184
 185         coalesce->use_adaptive_rx_coalesce = rx_eq->enable_aic;
 186         coalesce->use_adaptive_tx_coalesce = tx_eq->enable_aic;
 187
 188         return 0;
 189 }
 190
 191 /*
 192  * This routine is used to set interrup coalescing delay
 193  */
 194 static int
 195 be_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
 196 {
 197         struct be_adapter *adapter = netdev_priv(netdev);
 198         struct be_rx_obj *rxo;
 199         struct be_eq_obj *rx_eq;
 200         struct be_eq_obj *tx_eq = &adapter->tx_eq;
 201         u32 rx_max, rx_min, rx_cur;
 202         int status = 0, i;
 203         u32 tx_cur;
 204
 205         if (coalesce->use_adaptive_tx_coalesce == 1)
 206                 return -EINVAL;
 207
 208         for_all_rx_queues(adapter, rxo, i) {
 209                 rx_eq = &rxo->rx_eq;
 210
 211                 if (!rx_eq->enable_aic && coalesce->use_adaptive_rx_coalesce)
 212                         rx_eq->cur_eqd = 0;
 213                 rx_eq->enable_aic = coalesce->use_adaptive_rx_coalesce;
 214
 215                 rx_max = coalesce->rx_coalesce_usecs_high;
 216                 rx_min = coalesce->rx_coalesce_usecs_low;
 217                 rx_cur = coalesce->rx_coalesce_usecs;
 218
 219                 if (rx_eq->enable_aic) {
 220                         if (rx_max > BE_MAX_EQD)
 221                                 rx_max = BE_MAX_EQD;
 222                         if (rx_min > rx_max)
 223                                 rx_min = rx_max;
 224                         rx_eq->max_eqd = rx_max;
 225                         rx_eq->min_eqd = rx_min;
 226                         if (rx_eq->cur_eqd > rx_max)
 227                                 rx_eq->cur_eqd = rx_max;
 228                         if (rx_eq->cur_eqd < rx_min)
 229                                 rx_eq->cur_eqd = rx_min;
 230                 } else {
 231                         if (rx_cur > BE_MAX_EQD)
 232                                 rx_cur = BE_MAX_EQD;
 233                         if (rx_eq->cur_eqd != rx_cur) {
 234                                 status = be_cmd_modify_eqd(adapter, rx_eq->q.id,
 235                                                 rx_cur);
 236                                 if (!status)
 237                                         rx_eq->cur_eqd = rx_cur;
 238                         }
 239                 }
 240         }
 241
 242         tx_cur = coalesce->tx_coalesce_usecs;
 243
 244         if (tx_cur > BE_MAX_EQD)
 245                 tx_cur = BE_MAX_EQD;
 246         if (tx_eq->cur_eqd != tx_cur) {
 247                 status = be_cmd_modify_eqd(adapter, tx_eq->q.id, tx_cur);
 248                 if (!status)
 249                         tx_eq->cur_eqd = tx_cur;
 250         }
 251
 252         return 0;
 253 }
 254
 255 static void
 256 be_get_ethtool_stats(struct net_device *netdev,
 257                 struct ethtool_stats *stats, uint64_t *data)
 258 {
 259         struct be_adapter *adapter = netdev_priv(netdev);
 260         struct be_rx_obj *rxo;
 261         struct be_tx_obj *txo;
 262         void *p = NULL;
 263         int i, j, base;
 264
 265         for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 266                 switch (et_stats[i].type) {
 267                 case NETSTAT:
 268                         p = &netdev->stats;
 269                         break;
 270                 case DRVSTAT:
 271                         p = &adapter->drv_stats;
 272                         break;
 273                 }
 274
 275                 p = (u8 *)p + et_stats[i].offset;
 276                 data[i] = (et_stats[i].size == sizeof(u64)) ?
 277                                 *(u64 *)p: *(u32 *)p;
 278         }
 279
 280         base = ETHTOOL_STATS_NUM;
 281         for_all_rx_queues(adapter, rxo, j) {
 282                 for (i = 0; i < ETHTOOL_RXSTATS_NUM; i++) {
 283                         switch (et_rx_stats[i].type) {
 284                         case DRVSTAT_RX:
 285                                 p = (u8 *)&rxo->stats + et_rx_stats[i].offset;
 286                                 break;
 287                         case ERXSTAT:
 288                                 p = (u32 *)be_erx_stats_from_cmd(adapter) +
 289                                                                 rxo->q.id;
 290                                 break;
 291                         }
 292                         data[base + j * ETHTOOL_RXSTATS_NUM + i] =
 293                                 (et_rx_stats[i].size == sizeof(u64)) ?
 294                                         *(u64 *)p: *(u32 *)p;
 295                 }
 296         }
 297
 298         base = ETHTOOL_STATS_NUM + adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM;
 299         for_all_tx_queues(adapter, txo, j) {
 300                 for (i = 0; i < ETHTOOL_TXSTATS_NUM; i++) {
 301                         p = (u8 *)&txo->stats + et_tx_stats[i].offset;
 302                         data[base + j * ETHTOOL_TXSTATS_NUM + i] =
 303                                 (et_tx_stats[i].size == sizeof(u64)) ?
 304                                         *(u64 *)p: *(u32 *)p;
 305                 }
 306         }
 307 }
 308
 309 static void
 310 be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 311                 uint8_t *data)
 312 {
 313         struct be_adapter *adapter = netdev_priv(netdev);
 314         int i, j;
 315
 316         switch (stringset) {
 317         case ETH_SS_STATS:
 318                 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 319                         memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
 320                         data += ETH_GSTRING_LEN;
 321                 }
 322                 for (i = 0; i < adapter->num_rx_qs; i++) {
 323                         for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
 324                                 sprintf(data, "rxq%d: %s", i,
 325                                         et_rx_stats[j].desc);
 326                                 data += ETH_GSTRING_LEN;
 327                         }
 328                 }
 329                 for (i = 0; i < adapter->num_tx_qs; i++) {
 330                         for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
 331                                 sprintf(data, "txq%d: %s", i,
 332                                         et_tx_stats[j].desc);
 333                                 data += ETH_GSTRING_LEN;
 334                         }
 335                 }
 336                 break;
 337         case ETH_SS_TEST:
 338                 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
 339                         memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
 340                         data += ETH_GSTRING_LEN;
 341                 }
 342                 break;
 343         }
 344 }
 345
 346 static int be_get_sset_count(struct net_device *netdev, int stringset)
 347 {
 348         struct be_adapter *adapter = netdev_priv(netdev);
 349
 350         switch (stringset) {
 351         case ETH_SS_TEST:
 352                 return ETHTOOL_TESTS_NUM;
 353         case ETH_SS_STATS:
 354                 return ETHTOOL_STATS_NUM +
 355                         adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
 356                         adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
 357         default:
 358                 return -EINVAL;
 359         }
 360 }
 361
 362 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 363 {
 364         struct be_adapter *adapter = netdev_priv(netdev);
 365         struct be_dma_mem phy_cmd;
 366         struct be_cmd_resp_get_phy_info *resp;
 367         u8 mac_speed = 0;
 368         u16 link_speed = 0;
 369         bool link_up = false;
 370         int status;
 371         u16 intf_type;
 372
 373         if ((adapter->link_speed < 0) || (!(netdev->flags & IFF_UP))) {
 374                 status = be_cmd_link_status_query(adapter, &link_up,
 375                                                 &mac_speed, &link_speed, 0);
 376
 377                 be_link_status_update(adapter, link_up);
 378                 /* link_speed is in units of 10 Mbps */
 379                 if (link_speed) {
 380                         ethtool_cmd_speed_set(ecmd, link_speed*10);
 381                 } else {
 382                         switch (mac_speed) {
 383                         case PHY_LINK_SPEED_10MBPS:
 384                                 ethtool_cmd_speed_set(ecmd, SPEED_10);
 385                                 break;
 386                         case PHY_LINK_SPEED_100MBPS:
 387                                 ethtool_cmd_speed_set(ecmd, SPEED_100);
 388                                 break;
 389                         case PHY_LINK_SPEED_1GBPS:
 390                                 ethtool_cmd_speed_set(ecmd, SPEED_1000);
 391                                 break;
 392                         case PHY_LINK_SPEED_10GBPS:
 393                                 ethtool_cmd_speed_set(ecmd, SPEED_10000);
 394                                 break;
 395                         case PHY_LINK_SPEED_ZERO:
 396                                 ethtool_cmd_speed_set(ecmd, 0);
 397                                 break;
 398                         }
 399                 }
 400
 401                 phy_cmd.size = sizeof(struct be_cmd_req_get_phy_info);
 402                 phy_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
 403                                                 phy_cmd.size, &phy_cmd.dma,
 404                                                 GFP_KERNEL);
 405                 if (!phy_cmd.va) {
 406                         dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
 407                         return -ENOMEM;
 408                 }
 409                 status = be_cmd_get_phy_info(adapter, &phy_cmd);
 410                 if (!status) {
 411                         resp = phy_cmd.va;
 412                         intf_type = le16_to_cpu(resp->interface_type);
 413
 414                         switch (intf_type) {
 415                         case PHY_TYPE_XFP_10GB:
 416                         case PHY_TYPE_SFP_1GB:
 417                         case PHY_TYPE_SFP_PLUS_10GB:
 418                                 ecmd->port = PORT_FIBRE;
 419                                 break;
 420                         default:
 421                                 ecmd->port = PORT_TP;
 422                                 break;
 423                         }
 424
 425                         switch (intf_type) {
 426                         case PHY_TYPE_KR_10GB:
 427                         case PHY_TYPE_KX4_10GB:
 428                                 ecmd->autoneg = AUTONEG_ENABLE;
 429                         ecmd->transceiver = XCVR_INTERNAL;
 430                                 break;
 431                         default:
 432                                 ecmd->autoneg = AUTONEG_DISABLE;
 433                                 ecmd->transceiver = XCVR_EXTERNAL;
 434                                 break;
 435                         }
 436                 }
 437
 438                 /* Save for future use */
 439                 adapter->link_speed = ethtool_cmd_speed(ecmd);
 440                 adapter->port_type = ecmd->port;
 441                 adapter->transceiver = ecmd->transceiver;
 442                 adapter->autoneg = ecmd->autoneg;
 443                 dma_free_coherent(&adapter->pdev->dev, phy_cmd.size, phy_cmd.va,
 444                                   phy_cmd.dma);
 445         } else {
 446                 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
 447                 ecmd->port = adapter->port_type;
 448                 ecmd->transceiver = adapter->transceiver;
 449                 ecmd->autoneg = adapter->autoneg;
 450         }
 451
 452         ecmd->duplex = DUPLEX_FULL;
 453         ecmd->phy_address = adapter->port_num;
 454         switch (ecmd->port) {
 455         case PORT_FIBRE:
 456                 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
 457                 break;
 458         case PORT_TP:
 459                 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_TP);
 460                 break;
 461         case PORT_AUI:
 462                 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_AUI);
 463                 break;
 464         }
 465
 466         if (ecmd->autoneg) {
 467                 ecmd->supported |= SUPPORTED_1000baseT_Full;
 468                 ecmd->supported |= SUPPORTED_Autoneg;
 469                 ecmd->advertising |= (ADVERTISED_10000baseT_Full |
 470                                 ADVERTISED_1000baseT_Full);
 471         }
 472
 473         return 0;
 474 }
 475
 476 static void
 477 be_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
 478 {
 479         struct be_adapter *adapter = netdev_priv(netdev);
 480
 481         ring->rx_max_pending = adapter->rx_obj[0].q.len;
 482         ring->tx_max_pending = adapter->tx_obj[0].q.len;
 483
 484         ring->rx_pending = atomic_read(&adapter->rx_obj[0].q.used);
 485         ring->tx_pending = atomic_read(&adapter->tx_obj[0].q.used);
 486 }
 487
 488 static void
 489 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 490 {
 491         struct be_adapter *adapter = netdev_priv(netdev);
 492
 493         be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
 494         ecmd->autoneg = 0;
 495 }
 496
 497 static int
 498 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 499 {
 500         struct be_adapter *adapter = netdev_priv(netdev);
 501         int status;
 502
 503         if (ecmd->autoneg != 0)
 504                 return -EINVAL;
 505         adapter->tx_fc = ecmd->tx_pause;
 506         adapter->rx_fc = ecmd->rx_pause;
 507
 508         status = be_cmd_set_flow_control(adapter,
 509                                         adapter->tx_fc, adapter->rx_fc);
 510         if (status)
 511                 dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
 512
 513         return status;
 514 }
 515
 516 static int
 517 be_set_phys_id(struct net_device *netdev,
 518                enum ethtool_phys_id_state state)
 519 {
 520         struct be_adapter *adapter = netdev_priv(netdev);
 521
 522         switch (state) {
 523         case ETHTOOL_ID_ACTIVE:
 524                 be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
 525                                         &adapter->beacon_state);
 526                 return 1;       /* cycle on/off once per second */
 527
 528         case ETHTOOL_ID_ON:
 529                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
 530                                         BEACON_STATE_ENABLED);
 531                 break;
 532
 533         case ETHTOOL_ID_OFF:
 534                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
 535                                         BEACON_STATE_DISABLED);
 536                 break;
 537
 538         case ETHTOOL_ID_INACTIVE:
 539                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
 540                                         adapter->beacon_state);
 541         }
 542
 543         return 0;
 544 }
 545
 546 static bool
 547 be_is_wol_supported(struct be_adapter *adapter)
 548 {
 549         if (!be_physfn(adapter))
 550                 return false;
 551         else
 552                 return true;
 553 }
 554
 555 static void
 556 be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 557 {
 558         struct be_adapter *adapter = netdev_priv(netdev);
 559
 560         if (be_is_wol_supported(adapter))
 561                 wol->supported = WAKE_MAGIC;
 562
 563         if (adapter->wol)
 564                 wol->wolopts = WAKE_MAGIC;
 565         else
 566                 wol->wolopts = 0;
 567         memset(&wol->sopass, 0, sizeof(wol->sopass));
 568 }
 569
 570 static int
 571 be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 572 {
 573         struct be_adapter *adapter = netdev_priv(netdev);
 574
 575         if (wol->wolopts & ~WAKE_MAGIC)
 576                 return -EINVAL;
 577
 578         if ((wol->wolopts & WAKE_MAGIC) && be_is_wol_supported(adapter))
 579                 adapter->wol = true;
 580         else
 581                 adapter->wol = false;
 582
 583         return 0;
 584 }
 585
 586 static int
 587 be_test_ddr_dma(struct be_adapter *adapter)
 588 {
 589         int ret, i;
 590         struct be_dma_mem ddrdma_cmd;
 591         static const u64 pattern[2] = {
 592                 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
 593         };
 594
 595         ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 596         ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, ddrdma_cmd.size,
 597                                            &ddrdma_cmd.dma, GFP_KERNEL);
 598         if (!ddrdma_cmd.va) {
 599                 dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
 600                 return -ENOMEM;
 601         }
 602
 603         for (i = 0; i < 2; i++) {
 604                 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
 605                                         4096, &ddrdma_cmd);
 606                 if (ret != 0)
 607                         goto err;
 608         }
 609
 610 err:
 611         dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
 612                           ddrdma_cmd.dma);
 613         return ret;
 614 }
 615
 616 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
 617                                 u64 *status)
 618 {
 619         be_cmd_set_loopback(adapter, adapter->hba_port_num,
 620                                 loopback_type, 1);
 621         *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
 622                                 loopback_type, 1500,
 623                                 2, 0xabc);
 624         be_cmd_set_loopback(adapter, adapter->hba_port_num,
 625                                 BE_NO_LOOPBACK, 1);
 626         return *status;
 627 }
 628
 629 static void
 630 be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data)
 631 {
 632         struct be_adapter *adapter = netdev_priv(netdev);
 633         bool link_up;
 634         u8 mac_speed = 0;
 635         u16 qos_link_speed = 0;
 636
 637         memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
 638
 639         if (test->flags & ETH_TEST_FL_OFFLINE) {
 640                 if (be_loopback_test(adapter, BE_MAC_LOOPBACK,
 641                                                 &data[0]) != 0) {
 642                         test->flags |= ETH_TEST_FL_FAILED;
 643                 }
 644                 if (be_loopback_test(adapter, BE_PHY_LOOPBACK,
 645                                                 &data[1]) != 0) {
 646                         test->flags |= ETH_TEST_FL_FAILED;
 647                 }
 648                 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
 649                                                 &data[2]) != 0) {
 650                         test->flags |= ETH_TEST_FL_FAILED;
 651                 }
 652         }
 653
 654         if (be_test_ddr_dma(adapter) != 0) {
 655                 data[3] = 1;
 656                 test->flags |= ETH_TEST_FL_FAILED;
 657         }
 658
 659         if (be_cmd_link_status_query(adapter, &link_up, &mac_speed,
 660                                 &qos_link_speed, 0) != 0) {
 661                 test->flags |= ETH_TEST_FL_FAILED;
 662                 data[4] = -1;
 663         } else if (!mac_speed) {
 664                 test->flags |= ETH_TEST_FL_FAILED;
 665                 data[4] = 1;
 666         }
 667 }
 668
 669 static int
 670 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 671 {
 672         struct be_adapter *adapter = netdev_priv(netdev);
 673         char file_name[ETHTOOL_FLASH_MAX_FILENAME];
 674
 675         file_name[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
 676         strcpy(file_name, efl->data);
 677
 678         return be_load_fw(adapter, file_name);
 679 }
 680
 681 static int
 682 be_get_eeprom_len(struct net_device *netdev)
 683 {
 684         return BE_READ_SEEPROM_LEN;
 685 }
 686
 687 static int
 688 be_read_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 689                         uint8_t *data)
 690 {
 691         struct be_adapter *adapter = netdev_priv(netdev);
 692         struct be_dma_mem eeprom_cmd;
 693         struct be_cmd_resp_seeprom_read *resp;
 694         int status;
 695
 696         if (!eeprom->len)
 697                 return -EINVAL;
 698
 699         eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
 700
 701         memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
 702         eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
 703         eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, eeprom_cmd.size,
 704                                            &eeprom_cmd.dma, GFP_KERNEL);
 705
 706         if (!eeprom_cmd.va) {
 707                 dev_err(&adapter->pdev->dev,
 708                         "Memory allocation failure. Could not read eeprom\n");
 709                 return -ENOMEM;
 710         }
 711
 712         status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
 713
 714         if (!status) {
 715                 resp = eeprom_cmd.va;
 716                 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
 717         }
 718         dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
 719                           eeprom_cmd.dma);
 720
 721         return status;
 722 }
 723
 724 const struct ethtool_ops be_ethtool_ops = {
 725         .get_settings = be_get_settings,
 726         .get_drvinfo = be_get_drvinfo,
 727         .get_wol = be_get_wol,
 728         .set_wol = be_set_wol,
 729         .get_link = ethtool_op_get_link,
 730         .get_eeprom_len = be_get_eeprom_len,
 731         .get_eeprom = be_read_eeprom,
 732         .get_coalesce = be_get_coalesce,
 733         .set_coalesce = be_set_coalesce,
 734         .get_ringparam = be_get_ringparam,
 735         .get_pauseparam = be_get_pauseparam,
 736         .set_pauseparam = be_set_pauseparam,
 737         .get_strings = be_get_stat_strings,
 738         .set_phys_id = be_set_phys_id,
 739         .get_sset_count = be_get_sset_count,
 740         .get_ethtool_stats = be_get_ethtool_stats,
 741         .get_regs_len = be_get_reg_len,
 742         .get_regs = be_get_regs,
 743         .flash_device = be_do_flash,
 744         .self_test = be_self_test,
 745 };