drivers/net/ethernet/emulex/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 {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
  30 #define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
  31                                         offsetof(_struct, field)
  32 #define DRVSTAT_TX_INFO(field)  #field, DRVSTAT_TX,\
  33                                         FIELDINFO(struct be_tx_stats, field)
  34 #define DRVSTAT_RX_INFO(field)  #field, DRVSTAT_RX,\
  35                                         FIELDINFO(struct be_rx_stats, field)
  36 #define DRVSTAT_INFO(field)     #field, DRVSTAT,\
  37                                         FIELDINFO(struct be_drv_stats, field)
  38
  39 static const struct be_ethtool_stat et_stats[] = {
  40         {DRVSTAT_INFO(rx_crc_errors)},
  41         {DRVSTAT_INFO(rx_alignment_symbol_errors)},
  42         {DRVSTAT_INFO(rx_pause_frames)},
  43         {DRVSTAT_INFO(rx_control_frames)},
  44         /* Received packets dropped when the Ethernet length field
  45          * is not equal to the actual Ethernet data length.
  46          */
  47         {DRVSTAT_INFO(rx_in_range_errors)},
  48         /* Received packets dropped when their length field is >= 1501 bytes
  49          * and <= 1535 bytes.
  50          */
  51         {DRVSTAT_INFO(rx_out_range_errors)},
  52         /* Received packets dropped when they are longer than 9216 bytes */
  53         {DRVSTAT_INFO(rx_frame_too_long)},
  54         /* Received packets dropped when they don't pass the unicast or
  55          * multicast address filtering.
  56          */
  57         {DRVSTAT_INFO(rx_address_mismatch_drops)},
  58         /* Received packets dropped when IP packet length field is less than
  59          * the IP header length field.
  60          */
  61         {DRVSTAT_INFO(rx_dropped_too_small)},
  62         /* Received packets dropped when IP length field is greater than
  63          * the actual packet length.
  64          */
  65         {DRVSTAT_INFO(rx_dropped_too_short)},
  66         /* Received packets dropped when the IP header length field is less
  67          * than 5.
  68          */
  69         {DRVSTAT_INFO(rx_dropped_header_too_small)},
  70         /* Received packets dropped when the TCP header length field is less
  71          * than 5 or the TCP header length + IP header length is more
  72          * than IP packet length.
  73          */
  74         {DRVSTAT_INFO(rx_dropped_tcp_length)},
  75         {DRVSTAT_INFO(rx_dropped_runt)},
  76         /* Number of received packets dropped when a fifo for descriptors going
  77          * into the packet demux block overflows. In normal operation, this
  78          * fifo must never overflow.
  79          */
  80         {DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
  81         {DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
  82         {DRVSTAT_INFO(rx_ip_checksum_errs)},
  83         {DRVSTAT_INFO(rx_tcp_checksum_errs)},
  84         {DRVSTAT_INFO(rx_udp_checksum_errs)},
  85         {DRVSTAT_INFO(tx_pauseframes)},
  86         {DRVSTAT_INFO(tx_controlframes)},
  87         {DRVSTAT_INFO(rx_priority_pause_frames)},
  88         /* Received packets dropped when an internal fifo going into
  89          * main packet buffer tank (PMEM) overflows.
  90          */
  91         {DRVSTAT_INFO(pmem_fifo_overflow_drop)},
  92         {DRVSTAT_INFO(jabber_events)},
  93         /* Received packets dropped due to lack of available HW packet buffers
  94          * used to temporarily hold the received packets.
  95          */
  96         {DRVSTAT_INFO(rx_drops_no_pbuf)},
  97         /* Received packets dropped due to input receive buffer
  98          * descriptor fifo overflowing.
  99          */
 100         {DRVSTAT_INFO(rx_drops_no_erx_descr)},
 101         /* Packets dropped because the internal FIFO to the offloaded TCP
 102          * receive processing block is full. This could happen only for
 103          * offloaded iSCSI or FCoE trarffic.
 104          */
 105         {DRVSTAT_INFO(rx_drops_no_tpre_descr)},
 106         /* Received packets dropped when they need more than 8
 107          * receive buffers. This cannot happen as the driver configures
 108          * 2048 byte receive buffers.
 109          */
 110         {DRVSTAT_INFO(rx_drops_too_many_frags)},
 111         {DRVSTAT_INFO(forwarded_packets)},
 112         /* Received packets dropped when the frame length
 113          * is more than 9018 bytes
 114          */
 115         {DRVSTAT_INFO(rx_drops_mtu)},
 116         /* Number of packets dropped due to random early drop function */
 117         {DRVSTAT_INFO(eth_red_drops)},
 118         {DRVSTAT_INFO(be_on_die_temperature)}
 119 };
 120 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
 121
 122 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
 123  * are first and second members respectively.
 124  */
 125 static const struct be_ethtool_stat et_rx_stats[] = {
 126         {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
 127         {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
 128         {DRVSTAT_RX_INFO(rx_compl)},
 129         {DRVSTAT_RX_INFO(rx_mcast_pkts)},
 130         /* Number of page allocation failures while posting receive buffers
 131          * to HW.
 132          */
 133         {DRVSTAT_RX_INFO(rx_post_fail)},
 134         /* Recevied packets dropped due to skb allocation failure */
 135         {DRVSTAT_RX_INFO(rx_drops_no_skbs)},
 136         /* Received packets dropped due to lack of available fetched buffers
 137          * posted by the driver.
 138          */
 139         {DRVSTAT_RX_INFO(rx_drops_no_frags)}
 140 };
 141 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
 142
 143 /* Stats related to multi TX queues: get_stats routine assumes compl is the
 144  * first member
 145  */
 146 static const struct be_ethtool_stat et_tx_stats[] = {
 147         {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
 148         {DRVSTAT_TX_INFO(tx_bytes)},
 149         {DRVSTAT_TX_INFO(tx_pkts)},
 150         /* Number of skbs queued for trasmission by the driver */
 151         {DRVSTAT_TX_INFO(tx_reqs)},
 152         /* Number of TX work request blocks DMAed to HW */
 153         {DRVSTAT_TX_INFO(tx_wrbs)},
 154         /* Number of times the TX queue was stopped due to lack
 155          * of spaces in the TXQ.
 156          */
 157         {DRVSTAT_TX_INFO(tx_stops)}
 158 };
 159 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
 160
 161 static const char et_self_tests[][ETH_GSTRING_LEN] = {
 162         "MAC Loopback test",
 163         "PHY Loopback test",
 164         "External Loopback test",
 165         "DDR DMA test",
 166         "Link test"
 167 };
 168
 169 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
 170 #define BE_MAC_LOOPBACK 0x0
 171 #define BE_PHY_LOOPBACK 0x1
 172 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
 173 #define BE_NO_LOOPBACK 0xff
 174
 175 static void be_get_drvinfo(struct net_device *netdev,
 176                                 struct ethtool_drvinfo *drvinfo)
 177 {
 178         struct be_adapter *adapter = netdev_priv(netdev);
 179         char fw_on_flash[FW_VER_LEN];
 180
 181         memset(fw_on_flash, 0 , sizeof(fw_on_flash));
 182         be_cmd_get_fw_ver(adapter, adapter->fw_ver, fw_on_flash);
 183
 184         strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
 185         strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
 186         strncpy(drvinfo->fw_version, adapter->fw_ver, FW_VER_LEN);
 187         if (memcmp(adapter->fw_ver, fw_on_flash, FW_VER_LEN) != 0) {
 188                 strcat(drvinfo->fw_version, " [");
 189                 strcat(drvinfo->fw_version, fw_on_flash);
 190                 strcat(drvinfo->fw_version, "]");
 191         }
 192
 193         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 194                 sizeof(drvinfo->bus_info));
 195         drvinfo->testinfo_len = 0;
 196         drvinfo->regdump_len = 0;
 197         drvinfo->eedump_len = 0;
 198 }
 199
 200 static u32
 201 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
 202 {
 203         u32 data_read = 0, eof;
 204         u8 addn_status;
 205         struct be_dma_mem data_len_cmd;
 206         int status;
 207
 208         memset(&data_len_cmd, 0, sizeof(data_len_cmd));
 209         /* data_offset and data_size should be 0 to get reg len */
 210         status = lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0,
 211                                 file_name, &data_read, &eof, &addn_status);
 212
 213         return data_read;
 214 }
 215
 216 static int
 217 lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
 218                 u32 buf_len, void *buf)
 219 {
 220         struct be_dma_mem read_cmd;
 221         u32 read_len = 0, total_read_len = 0, chunk_size;
 222         u32 eof = 0;
 223         u8 addn_status;
 224         int status = 0;
 225
 226         read_cmd.size = LANCER_READ_FILE_CHUNK;
 227         read_cmd.va = pci_alloc_consistent(adapter->pdev, read_cmd.size,
 228                         &read_cmd.dma);
 229
 230         if (!read_cmd.va) {
 231                 dev_err(&adapter->pdev->dev,
 232                                 "Memory allocation failure while reading dump\n");
 233                 return -ENOMEM;
 234         }
 235
 236         while ((total_read_len < buf_len) && !eof) {
 237                 chunk_size = min_t(u32, (buf_len - total_read_len),
 238                                 LANCER_READ_FILE_CHUNK);
 239                 chunk_size = ALIGN(chunk_size, 4);
 240                 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
 241                                 total_read_len, file_name, &read_len,
 242                                 &eof, &addn_status);
 243                 if (!status) {
 244                         memcpy(buf + total_read_len, read_cmd.va, read_len);
 245                         total_read_len += read_len;
 246                         eof &= LANCER_READ_FILE_EOF_MASK;
 247                 } else {
 248                         status = -EIO;
 249                         break;
 250                 }
 251         }
 252         pci_free_consistent(adapter->pdev, read_cmd.size, read_cmd.va,
 253                         read_cmd.dma);
 254
 255         return status;
 256 }
 257
 258 static int
 259 be_get_reg_len(struct net_device *netdev)
 260 {
 261         struct be_adapter *adapter = netdev_priv(netdev);
 262         u32 log_size = 0;
 263
 264         if (be_physfn(adapter)) {
 265                 if (lancer_chip(adapter))
 266                         log_size = lancer_cmd_get_file_len(adapter,
 267                                         LANCER_FW_DUMP_FILE);
 268                 else
 269                         be_cmd_get_reg_len(adapter, &log_size);
 270         }
 271         return log_size;
 272 }
 273
 274 static void
 275 be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf)
 276 {
 277         struct be_adapter *adapter = netdev_priv(netdev);
 278
 279         if (be_physfn(adapter)) {
 280                 memset(buf, 0, regs->len);
 281                 if (lancer_chip(adapter))
 282                         lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
 283                                         regs->len, buf);
 284                 else
 285                         be_cmd_get_regs(adapter, regs->len, buf);
 286         }
 287 }
 288
 289 static int be_get_coalesce(struct net_device *netdev,
 290                            struct ethtool_coalesce *et)
 291 {
 292         struct be_adapter *adapter = netdev_priv(netdev);
 293         struct be_eq_obj *eqo = &adapter->eq_obj[0];
 294
 295
 296         et->rx_coalesce_usecs = eqo->cur_eqd;
 297         et->rx_coalesce_usecs_high = eqo->max_eqd;
 298         et->rx_coalesce_usecs_low = eqo->min_eqd;
 299
 300         et->tx_coalesce_usecs = eqo->cur_eqd;
 301         et->tx_coalesce_usecs_high = eqo->max_eqd;
 302         et->tx_coalesce_usecs_low = eqo->min_eqd;
 303
 304         et->use_adaptive_rx_coalesce = eqo->enable_aic;
 305         et->use_adaptive_tx_coalesce = eqo->enable_aic;
 306
 307         return 0;
 308 }
 309
 310 /* TX attributes are ignored. Only RX attributes are considered
 311  * eqd cmd is issued in the worker thread.
 312  */
 313 static int be_set_coalesce(struct net_device *netdev,
 314                            struct ethtool_coalesce *et)
 315 {
 316         struct be_adapter *adapter = netdev_priv(netdev);
 317         struct be_eq_obj *eqo;
 318         int i;
 319
 320         for_all_evt_queues(adapter, eqo, i) {
 321                 eqo->enable_aic = et->use_adaptive_rx_coalesce;
 322                 eqo->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
 323                 eqo->min_eqd = min(et->rx_coalesce_usecs_low, eqo->max_eqd);
 324                 eqo->eqd = et->rx_coalesce_usecs;
 325         }
 326
 327         return 0;
 328 }
 329
 330 static void
 331 be_get_ethtool_stats(struct net_device *netdev,
 332                 struct ethtool_stats *stats, uint64_t *data)
 333 {
 334         struct be_adapter *adapter = netdev_priv(netdev);
 335         struct be_rx_obj *rxo;
 336         struct be_tx_obj *txo;
 337         void *p;
 338         unsigned int i, j, base = 0, start;
 339
 340         for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 341                 p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
 342                 data[i] = *(u32 *)p;
 343         }
 344         base += ETHTOOL_STATS_NUM;
 345
 346         for_all_rx_queues(adapter, rxo, j) {
 347                 struct be_rx_stats *stats = rx_stats(rxo);
 348
 349                 do {
 350                         start = u64_stats_fetch_begin_bh(&stats->sync);
 351                         data[base] = stats->rx_bytes;
 352                         data[base + 1] = stats->rx_pkts;
 353                 } while (u64_stats_fetch_retry_bh(&stats->sync, start));
 354
 355                 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
 356                         p = (u8 *)stats + et_rx_stats[i].offset;
 357                         data[base + i] = *(u32 *)p;
 358                 }
 359                 base += ETHTOOL_RXSTATS_NUM;
 360         }
 361
 362         for_all_tx_queues(adapter, txo, j) {
 363                 struct be_tx_stats *stats = tx_stats(txo);
 364
 365                 do {
 366                         start = u64_stats_fetch_begin_bh(&stats->sync_compl);
 367                         data[base] = stats->tx_compl;
 368                 } while (u64_stats_fetch_retry_bh(&stats->sync_compl, start));
 369
 370                 do {
 371                         start = u64_stats_fetch_begin_bh(&stats->sync);
 372                         for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
 373                                 p = (u8 *)stats + et_tx_stats[i].offset;
 374                                 data[base + i] =
 375                                         (et_tx_stats[i].size == sizeof(u64)) ?
 376                                                 *(u64 *)p : *(u32 *)p;
 377                         }
 378                 } while (u64_stats_fetch_retry_bh(&stats->sync, start));
 379                 base += ETHTOOL_TXSTATS_NUM;
 380         }
 381 }
 382
 383 static void
 384 be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 385                 uint8_t *data)
 386 {
 387         struct be_adapter *adapter = netdev_priv(netdev);
 388         int i, j;
 389
 390         switch (stringset) {
 391         case ETH_SS_STATS:
 392                 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 393                         memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
 394                         data += ETH_GSTRING_LEN;
 395                 }
 396                 for (i = 0; i < adapter->num_rx_qs; i++) {
 397                         for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
 398                                 sprintf(data, "rxq%d: %s", i,
 399                                         et_rx_stats[j].desc);
 400                                 data += ETH_GSTRING_LEN;
 401                         }
 402                 }
 403                 for (i = 0; i < adapter->num_tx_qs; i++) {
 404                         for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
 405                                 sprintf(data, "txq%d: %s", i,
 406                                         et_tx_stats[j].desc);
 407                                 data += ETH_GSTRING_LEN;
 408                         }
 409                 }
 410                 break;
 411         case ETH_SS_TEST:
 412                 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
 413                         memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
 414                         data += ETH_GSTRING_LEN;
 415                 }
 416                 break;
 417         }
 418 }
 419
 420 static int be_get_sset_count(struct net_device *netdev, int stringset)
 421 {
 422         struct be_adapter *adapter = netdev_priv(netdev);
 423
 424         switch (stringset) {
 425         case ETH_SS_TEST:
 426                 return ETHTOOL_TESTS_NUM;
 427         case ETH_SS_STATS:
 428                 return ETHTOOL_STATS_NUM +
 429                         adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
 430                         adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
 431         default:
 432                 return -EINVAL;
 433         }
 434 }
 435
 436 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 437 {
 438         struct be_adapter *adapter = netdev_priv(netdev);
 439         struct be_phy_info phy_info;
 440         u8 mac_speed = 0;
 441         u16 link_speed = 0;
 442         u8 link_status;
 443         int status;
 444
 445         if ((adapter->link_speed < 0) || (!(netdev->flags & IFF_UP))) {
 446                 status = be_cmd_link_status_query(adapter, &mac_speed,
 447                                                   &link_speed, &link_status, 0);
 448                 if (!status)
 449                         be_link_status_update(adapter, link_status);
 450
 451                 /* link_speed is in units of 10 Mbps */
 452                 if (link_speed) {
 453                         ethtool_cmd_speed_set(ecmd, link_speed*10);
 454                 } else {
 455                         switch (mac_speed) {
 456                         case PHY_LINK_SPEED_10MBPS:
 457                                 ethtool_cmd_speed_set(ecmd, SPEED_10);
 458                                 break;
 459                         case PHY_LINK_SPEED_100MBPS:
 460                                 ethtool_cmd_speed_set(ecmd, SPEED_100);
 461                                 break;
 462                         case PHY_LINK_SPEED_1GBPS:
 463                                 ethtool_cmd_speed_set(ecmd, SPEED_1000);
 464                                 break;
 465                         case PHY_LINK_SPEED_10GBPS:
 466                                 ethtool_cmd_speed_set(ecmd, SPEED_10000);
 467                                 break;
 468                         case PHY_LINK_SPEED_ZERO:
 469                                 ethtool_cmd_speed_set(ecmd, 0);
 470                                 break;
 471                         }
 472                 }
 473
 474                 status = be_cmd_get_phy_info(adapter, &phy_info);
 475                 if (!status) {
 476                         switch (phy_info.interface_type) {
 477                         case PHY_TYPE_XFP_10GB:
 478                         case PHY_TYPE_SFP_1GB:
 479                         case PHY_TYPE_SFP_PLUS_10GB:
 480                                 ecmd->port = PORT_FIBRE;
 481                                 break;
 482                         default:
 483                                 ecmd->port = PORT_TP;
 484                                 break;
 485                         }
 486
 487                         switch (phy_info.interface_type) {
 488                         case PHY_TYPE_KR_10GB:
 489                         case PHY_TYPE_KX4_10GB:
 490                                 ecmd->autoneg = AUTONEG_ENABLE;
 491                         ecmd->transceiver = XCVR_INTERNAL;
 492                                 break;
 493                         default:
 494                                 ecmd->autoneg = AUTONEG_DISABLE;
 495                                 ecmd->transceiver = XCVR_EXTERNAL;
 496                                 break;
 497                         }
 498                 }
 499
 500                 /* Save for future use */
 501                 adapter->link_speed = ethtool_cmd_speed(ecmd);
 502                 adapter->port_type = ecmd->port;
 503                 adapter->transceiver = ecmd->transceiver;
 504                 adapter->autoneg = ecmd->autoneg;
 505         } else {
 506                 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
 507                 ecmd->port = adapter->port_type;
 508                 ecmd->transceiver = adapter->transceiver;
 509                 ecmd->autoneg = adapter->autoneg;
 510         }
 511
 512         ecmd->duplex = DUPLEX_FULL;
 513         ecmd->phy_address = adapter->port_num;
 514         switch (ecmd->port) {
 515         case PORT_FIBRE:
 516                 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
 517                 break;
 518         case PORT_TP:
 519                 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_TP);
 520                 break;
 521         case PORT_AUI:
 522                 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_AUI);
 523                 break;
 524         }
 525
 526         if (ecmd->autoneg) {
 527                 ecmd->supported |= SUPPORTED_1000baseT_Full;
 528                 ecmd->supported |= SUPPORTED_Autoneg;
 529                 ecmd->advertising |= (ADVERTISED_10000baseT_Full |
 530                                 ADVERTISED_1000baseT_Full);
 531         }
 532
 533         return 0;
 534 }
 535
 536 static void be_get_ringparam(struct net_device *netdev,
 537                              struct ethtool_ringparam *ring)
 538 {
 539         struct be_adapter *adapter = netdev_priv(netdev);
 540
 541         ring->rx_max_pending = ring->rx_pending = adapter->rx_obj[0].q.len;
 542         ring->tx_max_pending = ring->tx_pending = adapter->tx_obj[0].q.len;
 543 }
 544
 545 static void
 546 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 547 {
 548         struct be_adapter *adapter = netdev_priv(netdev);
 549
 550         be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
 551         ecmd->autoneg = 0;
 552 }
 553
 554 static int
 555 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 556 {
 557         struct be_adapter *adapter = netdev_priv(netdev);
 558         int status;
 559
 560         if (ecmd->autoneg != 0)
 561                 return -EINVAL;
 562         adapter->tx_fc = ecmd->tx_pause;
 563         adapter->rx_fc = ecmd->rx_pause;
 564
 565         status = be_cmd_set_flow_control(adapter,
 566                                         adapter->tx_fc, adapter->rx_fc);
 567         if (status)
 568                 dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
 569
 570         return status;
 571 }
 572
 573 static int
 574 be_set_phys_id(struct net_device *netdev,
 575                enum ethtool_phys_id_state state)
 576 {
 577         struct be_adapter *adapter = netdev_priv(netdev);
 578
 579         switch (state) {
 580         case ETHTOOL_ID_ACTIVE:
 581                 be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
 582                                         &adapter->beacon_state);
 583                 return 1;       /* cycle on/off once per second */
 584
 585         case ETHTOOL_ID_ON:
 586                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
 587                                         BEACON_STATE_ENABLED);
 588                 break;
 589
 590         case ETHTOOL_ID_OFF:
 591                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
 592                                         BEACON_STATE_DISABLED);
 593                 break;
 594
 595         case ETHTOOL_ID_INACTIVE:
 596                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
 597                                         adapter->beacon_state);
 598         }
 599
 600         return 0;
 601 }
 602
 603
 604 static void
 605 be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 606 {
 607         struct be_adapter *adapter = netdev_priv(netdev);
 608
 609         if (be_is_wol_supported(adapter)) {
 610                 wol->supported |= WAKE_MAGIC;
 611                 wol->wolopts |= WAKE_MAGIC;
 612         } else
 613                 wol->wolopts = 0;
 614         memset(&wol->sopass, 0, sizeof(wol->sopass));
 615 }
 616
 617 static int
 618 be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 619 {
 620         struct be_adapter *adapter = netdev_priv(netdev);
 621
 622         if (wol->wolopts & ~WAKE_MAGIC)
 623                 return -EOPNOTSUPP;
 624
 625         if (!be_is_wol_supported(adapter)) {
 626                 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
 627                 return -EOPNOTSUPP;
 628         }
 629
 630         if (wol->wolopts & WAKE_MAGIC)
 631                 adapter->wol = true;
 632         else
 633                 adapter->wol = false;
 634
 635         return 0;
 636 }
 637
 638 static int
 639 be_test_ddr_dma(struct be_adapter *adapter)
 640 {
 641         int ret, i;
 642         struct be_dma_mem ddrdma_cmd;
 643         static const u64 pattern[2] = {
 644                 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
 645         };
 646
 647         ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 648         ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, ddrdma_cmd.size,
 649                                            &ddrdma_cmd.dma, GFP_KERNEL);
 650         if (!ddrdma_cmd.va) {
 651                 dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
 652                 return -ENOMEM;
 653         }
 654
 655         for (i = 0; i < 2; i++) {
 656                 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
 657                                         4096, &ddrdma_cmd);
 658                 if (ret != 0)
 659                         goto err;
 660         }
 661
 662 err:
 663         dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
 664                           ddrdma_cmd.dma);
 665         return ret;
 666 }
 667
 668 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
 669                                 u64 *status)
 670 {
 671         be_cmd_set_loopback(adapter, adapter->hba_port_num,
 672                                 loopback_type, 1);
 673         *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
 674                                 loopback_type, 1500,
 675                                 2, 0xabc);
 676         be_cmd_set_loopback(adapter, adapter->hba_port_num,
 677                                 BE_NO_LOOPBACK, 1);
 678         return *status;
 679 }
 680
 681 static void
 682 be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data)
 683 {
 684         struct be_adapter *adapter = netdev_priv(netdev);
 685         u8 mac_speed = 0;
 686         u16 qos_link_speed = 0;
 687
 688         memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
 689
 690         if (test->flags & ETH_TEST_FL_OFFLINE) {
 691                 if (be_loopback_test(adapter, BE_MAC_LOOPBACK,
 692                                                 &data[0]) != 0) {
 693                         test->flags |= ETH_TEST_FL_FAILED;
 694                 }
 695                 if (be_loopback_test(adapter, BE_PHY_LOOPBACK,
 696                                                 &data[1]) != 0) {
 697                         test->flags |= ETH_TEST_FL_FAILED;
 698                 }
 699                 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
 700                                                 &data[2]) != 0) {
 701                         test->flags |= ETH_TEST_FL_FAILED;
 702                 }
 703         }
 704
 705         if (be_test_ddr_dma(adapter) != 0) {
 706                 data[3] = 1;
 707                 test->flags |= ETH_TEST_FL_FAILED;
 708         }
 709
 710         if (be_cmd_link_status_query(adapter, &mac_speed,
 711                                      &qos_link_speed, NULL, 0) != 0) {
 712                 test->flags |= ETH_TEST_FL_FAILED;
 713                 data[4] = -1;
 714         } else if (!mac_speed) {
 715                 test->flags |= ETH_TEST_FL_FAILED;
 716                 data[4] = 1;
 717         }
 718 }
 719
 720 static int
 721 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 722 {
 723         struct be_adapter *adapter = netdev_priv(netdev);
 724
 725         return be_load_fw(adapter, efl->data);
 726 }
 727
 728 static int
 729 be_get_eeprom_len(struct net_device *netdev)
 730 {
 731         struct be_adapter *adapter = netdev_priv(netdev);
 732         if (lancer_chip(adapter)) {
 733                 if (be_physfn(adapter))
 734                         return lancer_cmd_get_file_len(adapter,
 735                                         LANCER_VPD_PF_FILE);
 736                 else
 737                         return lancer_cmd_get_file_len(adapter,
 738                                         LANCER_VPD_VF_FILE);
 739         } else {
 740                 return BE_READ_SEEPROM_LEN;
 741         }
 742 }
 743
 744 static int
 745 be_read_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 746                         uint8_t *data)
 747 {
 748         struct be_adapter *adapter = netdev_priv(netdev);
 749         struct be_dma_mem eeprom_cmd;
 750         struct be_cmd_resp_seeprom_read *resp;
 751         int status;
 752
 753         if (!eeprom->len)
 754                 return -EINVAL;
 755
 756         if (lancer_chip(adapter)) {
 757                 if (be_physfn(adapter))
 758                         return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
 759                                         eeprom->len, data);
 760                 else
 761                         return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
 762                                         eeprom->len, data);
 763         }
 764
 765         eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
 766
 767         memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
 768         eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
 769         eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, eeprom_cmd.size,
 770                                            &eeprom_cmd.dma, GFP_KERNEL);
 771
 772         if (!eeprom_cmd.va) {
 773                 dev_err(&adapter->pdev->dev,
 774                         "Memory allocation failure. Could not read eeprom\n");
 775                 return -ENOMEM;
 776         }
 777
 778         status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
 779
 780         if (!status) {
 781                 resp = eeprom_cmd.va;
 782                 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
 783         }
 784         dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
 785                           eeprom_cmd.dma);
 786
 787         return status;
 788 }
 789
 790 const struct ethtool_ops be_ethtool_ops = {
 791         .get_settings = be_get_settings,
 792         .get_drvinfo = be_get_drvinfo,
 793         .get_wol = be_get_wol,
 794         .set_wol = be_set_wol,
 795         .get_link = ethtool_op_get_link,
 796         .get_eeprom_len = be_get_eeprom_len,
 797         .get_eeprom = be_read_eeprom,
 798         .get_coalesce = be_get_coalesce,
 799         .set_coalesce = be_set_coalesce,
 800         .get_ringparam = be_get_ringparam,
 801         .get_pauseparam = be_get_pauseparam,
 802         .set_pauseparam = be_set_pauseparam,
 803         .get_strings = be_get_stat_strings,
 804         .set_phys_id = be_set_phys_id,
 805         .get_sset_count = be_get_sset_count,
 806         .get_ethtool_stats = be_get_ethtool_stats,
 807         .get_regs_len = be_get_reg_len,
 808         .get_regs = be_get_regs,
 809         .flash_device = be_do_flash,
 810         .self_test = be_self_test,
 811 };