drivers/net/ethernet/emulex/benet/be_ethtool.c

   1 /*
   2  * Copyright (C) 2005 - 2013 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_filtered)},
  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         if (!memcmp(adapter->fw_ver, fw_on_flash, FW_VER_LEN))
 187                 strlcpy(drvinfo->fw_version, adapter->fw_ver,
 188                         sizeof(drvinfo->fw_version));
 189         else
 190                 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 191                          "%s [%s]", adapter->fw_ver, fw_on_flash);
 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 (!check_privilege(adapter, MAX_PRIVILEGES))
 265                 return 0;
 266
 267         if (be_physfn(adapter)) {
 268                 if (lancer_chip(adapter))
 269                         log_size = lancer_cmd_get_file_len(adapter,
 270                                         LANCER_FW_DUMP_FILE);
 271                 else
 272                         be_cmd_get_reg_len(adapter, &log_size);
 273         }
 274         return log_size;
 275 }
 276
 277 static void
 278 be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf)
 279 {
 280         struct be_adapter *adapter = netdev_priv(netdev);
 281
 282         if (be_physfn(adapter)) {
 283                 memset(buf, 0, regs->len);
 284                 if (lancer_chip(adapter))
 285                         lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
 286                                         regs->len, buf);
 287                 else
 288                         be_cmd_get_regs(adapter, regs->len, buf);
 289         }
 290 }
 291
 292 static int be_get_coalesce(struct net_device *netdev,
 293                            struct ethtool_coalesce *et)
 294 {
 295         struct be_adapter *adapter = netdev_priv(netdev);
 296         struct be_eq_obj *eqo = &adapter->eq_obj[0];
 297
 298
 299         et->rx_coalesce_usecs = eqo->cur_eqd;
 300         et->rx_coalesce_usecs_high = eqo->max_eqd;
 301         et->rx_coalesce_usecs_low = eqo->min_eqd;
 302
 303         et->tx_coalesce_usecs = eqo->cur_eqd;
 304         et->tx_coalesce_usecs_high = eqo->max_eqd;
 305         et->tx_coalesce_usecs_low = eqo->min_eqd;
 306
 307         et->use_adaptive_rx_coalesce = eqo->enable_aic;
 308         et->use_adaptive_tx_coalesce = eqo->enable_aic;
 309
 310         return 0;
 311 }
 312
 313 /* TX attributes are ignored. Only RX attributes are considered
 314  * eqd cmd is issued in the worker thread.
 315  */
 316 static int be_set_coalesce(struct net_device *netdev,
 317                            struct ethtool_coalesce *et)
 318 {
 319         struct be_adapter *adapter = netdev_priv(netdev);
 320         struct be_eq_obj *eqo;
 321         int i;
 322
 323         for_all_evt_queues(adapter, eqo, i) {
 324                 eqo->enable_aic = et->use_adaptive_rx_coalesce;
 325                 eqo->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
 326                 eqo->min_eqd = min(et->rx_coalesce_usecs_low, eqo->max_eqd);
 327                 eqo->eqd = et->rx_coalesce_usecs;
 328         }
 329
 330         return 0;
 331 }
 332
 333 static void
 334 be_get_ethtool_stats(struct net_device *netdev,
 335                 struct ethtool_stats *stats, uint64_t *data)
 336 {
 337         struct be_adapter *adapter = netdev_priv(netdev);
 338         struct be_rx_obj *rxo;
 339         struct be_tx_obj *txo;
 340         void *p;
 341         unsigned int i, j, base = 0, start;
 342
 343         for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 344                 p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
 345                 data[i] = *(u32 *)p;
 346         }
 347         base += ETHTOOL_STATS_NUM;
 348
 349         for_all_rx_queues(adapter, rxo, j) {
 350                 struct be_rx_stats *stats = rx_stats(rxo);
 351
 352                 do {
 353                         start = u64_stats_fetch_begin_bh(&stats->sync);
 354                         data[base] = stats->rx_bytes;
 355                         data[base + 1] = stats->rx_pkts;
 356                 } while (u64_stats_fetch_retry_bh(&stats->sync, start));
 357
 358                 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
 359                         p = (u8 *)stats + et_rx_stats[i].offset;
 360                         data[base + i] = *(u32 *)p;
 361                 }
 362                 base += ETHTOOL_RXSTATS_NUM;
 363         }
 364
 365         for_all_tx_queues(adapter, txo, j) {
 366                 struct be_tx_stats *stats = tx_stats(txo);
 367
 368                 do {
 369                         start = u64_stats_fetch_begin_bh(&stats->sync_compl);
 370                         data[base] = stats->tx_compl;
 371                 } while (u64_stats_fetch_retry_bh(&stats->sync_compl, start));
 372
 373                 do {
 374                         start = u64_stats_fetch_begin_bh(&stats->sync);
 375                         for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
 376                                 p = (u8 *)stats + et_tx_stats[i].offset;
 377                                 data[base + i] =
 378                                         (et_tx_stats[i].size == sizeof(u64)) ?
 379                                                 *(u64 *)p : *(u32 *)p;
 380                         }
 381                 } while (u64_stats_fetch_retry_bh(&stats->sync, start));
 382                 base += ETHTOOL_TXSTATS_NUM;
 383         }
 384 }
 385
 386 static void
 387 be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 388                 uint8_t *data)
 389 {
 390         struct be_adapter *adapter = netdev_priv(netdev);
 391         int i, j;
 392
 393         switch (stringset) {
 394         case ETH_SS_STATS:
 395                 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 396                         memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
 397                         data += ETH_GSTRING_LEN;
 398                 }
 399                 for (i = 0; i < adapter->num_rx_qs; i++) {
 400                         for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
 401                                 sprintf(data, "rxq%d: %s", i,
 402                                         et_rx_stats[j].desc);
 403                                 data += ETH_GSTRING_LEN;
 404                         }
 405                 }
 406                 for (i = 0; i < adapter->num_tx_qs; i++) {
 407                         for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
 408                                 sprintf(data, "txq%d: %s", i,
 409                                         et_tx_stats[j].desc);
 410                                 data += ETH_GSTRING_LEN;
 411                         }
 412                 }
 413                 break;
 414         case ETH_SS_TEST:
 415                 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
 416                         memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
 417                         data += ETH_GSTRING_LEN;
 418                 }
 419                 break;
 420         }
 421 }
 422
 423 static int be_get_sset_count(struct net_device *netdev, int stringset)
 424 {
 425         struct be_adapter *adapter = netdev_priv(netdev);
 426
 427         switch (stringset) {
 428         case ETH_SS_TEST:
 429                 return ETHTOOL_TESTS_NUM;
 430         case ETH_SS_STATS:
 431                 return ETHTOOL_STATS_NUM +
 432                         adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
 433                         adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
 434         default:
 435                 return -EINVAL;
 436         }
 437 }
 438
 439 static u32 be_get_port_type(u32 phy_type, u32 dac_cable_len)
 440 {
 441         u32 port;
 442
 443         switch (phy_type) {
 444         case PHY_TYPE_BASET_1GB:
 445         case PHY_TYPE_BASEX_1GB:
 446         case PHY_TYPE_SGMII:
 447                 port = PORT_TP;
 448                 break;
 449         case PHY_TYPE_SFP_PLUS_10GB:
 450                 port = dac_cable_len ? PORT_DA : PORT_FIBRE;
 451                 break;
 452         case PHY_TYPE_XFP_10GB:
 453         case PHY_TYPE_SFP_1GB:
 454                 port = PORT_FIBRE;
 455                 break;
 456         case PHY_TYPE_BASET_10GB:
 457                 port = PORT_TP;
 458                 break;
 459         default:
 460                 port = PORT_OTHER;
 461         }
 462
 463         return port;
 464 }
 465
 466 static u32 convert_to_et_setting(u32 if_type, u32 if_speeds)
 467 {
 468         u32 val = 0;
 469
 470         switch (if_type) {
 471         case PHY_TYPE_BASET_1GB:
 472         case PHY_TYPE_BASEX_1GB:
 473         case PHY_TYPE_SGMII:
 474                 val |= SUPPORTED_TP;
 475                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 476                         val |= SUPPORTED_1000baseT_Full;
 477                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 478                         val |= SUPPORTED_100baseT_Full;
 479                 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
 480                         val |= SUPPORTED_10baseT_Full;
 481                 break;
 482         case PHY_TYPE_KX4_10GB:
 483                 val |= SUPPORTED_Backplane;
 484                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 485                         val |= SUPPORTED_1000baseKX_Full;
 486                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 487                         val |= SUPPORTED_10000baseKX4_Full;
 488                 break;
 489         case PHY_TYPE_KR_10GB:
 490                 val |= SUPPORTED_Backplane |
 491                                 SUPPORTED_10000baseKR_Full;
 492                 break;
 493         case PHY_TYPE_SFP_PLUS_10GB:
 494         case PHY_TYPE_XFP_10GB:
 495         case PHY_TYPE_SFP_1GB:
 496                 val |= SUPPORTED_FIBRE;
 497                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 498                         val |= SUPPORTED_10000baseT_Full;
 499                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 500                         val |= SUPPORTED_1000baseT_Full;
 501                 break;
 502         case PHY_TYPE_BASET_10GB:
 503                 val |= SUPPORTED_TP;
 504                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 505                         val |= SUPPORTED_10000baseT_Full;
 506                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 507                         val |= SUPPORTED_1000baseT_Full;
 508                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 509                         val |= SUPPORTED_100baseT_Full;
 510                 break;
 511         default:
 512                 val |= SUPPORTED_TP;
 513         }
 514
 515         return val;
 516 }
 517
 518 bool be_pause_supported(struct be_adapter *adapter)
 519 {
 520         return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
 521                 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
 522                 false : true;
 523 }
 524
 525 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 526 {
 527         struct be_adapter *adapter = netdev_priv(netdev);
 528         u8 link_status;
 529         u16 link_speed = 0;
 530         int status;
 531         u32 auto_speeds;
 532         u32 fixed_speeds;
 533         u32 dac_cable_len;
 534         u16 interface_type;
 535
 536         if (adapter->phy.link_speed < 0) {
 537                 status = be_cmd_link_status_query(adapter, &link_speed,
 538                                                   &link_status, 0);
 539                 if (!status)
 540                         be_link_status_update(adapter, link_status);
 541                 ethtool_cmd_speed_set(ecmd, link_speed);
 542
 543                 status = be_cmd_get_phy_info(adapter);
 544                 if (!status) {
 545                         interface_type = adapter->phy.interface_type;
 546                         auto_speeds = adapter->phy.auto_speeds_supported;
 547                         fixed_speeds = adapter->phy.fixed_speeds_supported;
 548                         dac_cable_len = adapter->phy.dac_cable_len;
 549
 550                         ecmd->supported =
 551                                 convert_to_et_setting(interface_type,
 552                                                       auto_speeds |
 553                                                       fixed_speeds);
 554                         ecmd->advertising =
 555                                 convert_to_et_setting(interface_type,
 556                                                       auto_speeds);
 557
 558                         ecmd->port = be_get_port_type(interface_type,
 559                                                       dac_cable_len);
 560
 561                         if (adapter->phy.auto_speeds_supported) {
 562                                 ecmd->supported |= SUPPORTED_Autoneg;
 563                                 ecmd->autoneg = AUTONEG_ENABLE;
 564                                 ecmd->advertising |= ADVERTISED_Autoneg;
 565                         }
 566
 567                         ecmd->supported |= SUPPORTED_Pause;
 568                         if (be_pause_supported(adapter))
 569                                 ecmd->advertising |= ADVERTISED_Pause;
 570
 571                         switch (adapter->phy.interface_type) {
 572                         case PHY_TYPE_KR_10GB:
 573                         case PHY_TYPE_KX4_10GB:
 574                                 ecmd->transceiver = XCVR_INTERNAL;
 575                                 break;
 576                         default:
 577                                 ecmd->transceiver = XCVR_EXTERNAL;
 578                                 break;
 579                         }
 580                 } else {
 581                         ecmd->port = PORT_OTHER;
 582                         ecmd->autoneg = AUTONEG_DISABLE;
 583                         ecmd->transceiver = XCVR_DUMMY1;
 584                 }
 585
 586                 /* Save for future use */
 587                 adapter->phy.link_speed = ethtool_cmd_speed(ecmd);
 588                 adapter->phy.port_type = ecmd->port;
 589                 adapter->phy.transceiver = ecmd->transceiver;
 590                 adapter->phy.autoneg = ecmd->autoneg;
 591                 adapter->phy.advertising = ecmd->advertising;
 592                 adapter->phy.supported = ecmd->supported;
 593         } else {
 594                 ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed);
 595                 ecmd->port = adapter->phy.port_type;
 596                 ecmd->transceiver = adapter->phy.transceiver;
 597                 ecmd->autoneg = adapter->phy.autoneg;
 598                 ecmd->advertising = adapter->phy.advertising;
 599                 ecmd->supported = adapter->phy.supported;
 600         }
 601
 602         ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN;
 603         ecmd->phy_address = adapter->port_num;
 604
 605         return 0;
 606 }
 607
 608 static void be_get_ringparam(struct net_device *netdev,
 609                              struct ethtool_ringparam *ring)
 610 {
 611         struct be_adapter *adapter = netdev_priv(netdev);
 612
 613         ring->rx_max_pending = ring->rx_pending = adapter->rx_obj[0].q.len;
 614         ring->tx_max_pending = ring->tx_pending = adapter->tx_obj[0].q.len;
 615 }
 616
 617 static void
 618 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 619 {
 620         struct be_adapter *adapter = netdev_priv(netdev);
 621
 622         be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
 623         ecmd->autoneg = adapter->phy.fc_autoneg;
 624 }
 625
 626 static int
 627 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 628 {
 629         struct be_adapter *adapter = netdev_priv(netdev);
 630         int status;
 631
 632         if (ecmd->autoneg != adapter->phy.fc_autoneg)
 633                 return -EINVAL;
 634         adapter->tx_fc = ecmd->tx_pause;
 635         adapter->rx_fc = ecmd->rx_pause;
 636
 637         status = be_cmd_set_flow_control(adapter,
 638                                         adapter->tx_fc, adapter->rx_fc);
 639         if (status)
 640                 dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
 641
 642         return status;
 643 }
 644
 645 static int
 646 be_set_phys_id(struct net_device *netdev,
 647                enum ethtool_phys_id_state state)
 648 {
 649         struct be_adapter *adapter = netdev_priv(netdev);
 650
 651         switch (state) {
 652         case ETHTOOL_ID_ACTIVE:
 653                 be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
 654                                         &adapter->beacon_state);
 655                 return 1;       /* cycle on/off once per second */
 656
 657         case ETHTOOL_ID_ON:
 658                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
 659                                         BEACON_STATE_ENABLED);
 660                 break;
 661
 662         case ETHTOOL_ID_OFF:
 663                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
 664                                         BEACON_STATE_DISABLED);
 665                 break;
 666
 667         case ETHTOOL_ID_INACTIVE:
 668                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
 669                                         adapter->beacon_state);
 670         }
 671
 672         return 0;
 673 }
 674
 675
 676 static void
 677 be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 678 {
 679         struct be_adapter *adapter = netdev_priv(netdev);
 680
 681         if (be_is_wol_supported(adapter)) {
 682                 wol->supported |= WAKE_MAGIC;
 683                 wol->wolopts |= WAKE_MAGIC;
 684         } else
 685                 wol->wolopts = 0;
 686         memset(&wol->sopass, 0, sizeof(wol->sopass));
 687 }
 688
 689 static int
 690 be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 691 {
 692         struct be_adapter *adapter = netdev_priv(netdev);
 693
 694         if (wol->wolopts & ~WAKE_MAGIC)
 695                 return -EOPNOTSUPP;
 696
 697         if (!be_is_wol_supported(adapter)) {
 698                 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
 699                 return -EOPNOTSUPP;
 700         }
 701
 702         if (wol->wolopts & WAKE_MAGIC)
 703                 adapter->wol = true;
 704         else
 705                 adapter->wol = false;
 706
 707         return 0;
 708 }
 709
 710 static int
 711 be_test_ddr_dma(struct be_adapter *adapter)
 712 {
 713         int ret, i;
 714         struct be_dma_mem ddrdma_cmd;
 715         static const u64 pattern[2] = {
 716                 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
 717         };
 718
 719         ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 720         ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, ddrdma_cmd.size,
 721                                            &ddrdma_cmd.dma, GFP_KERNEL);
 722         if (!ddrdma_cmd.va)
 723                 return -ENOMEM;
 724
 725         for (i = 0; i < 2; i++) {
 726                 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
 727                                         4096, &ddrdma_cmd);
 728                 if (ret != 0)
 729                         goto err;
 730         }
 731
 732 err:
 733         dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
 734                           ddrdma_cmd.dma);
 735         return ret;
 736 }
 737
 738 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
 739                                 u64 *status)
 740 {
 741         be_cmd_set_loopback(adapter, adapter->hba_port_num,
 742                                 loopback_type, 1);
 743         *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
 744                                 loopback_type, 1500,
 745                                 2, 0xabc);
 746         be_cmd_set_loopback(adapter, adapter->hba_port_num,
 747                                 BE_NO_LOOPBACK, 1);
 748         return *status;
 749 }
 750
 751 static void
 752 be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data)
 753 {
 754         struct be_adapter *adapter = netdev_priv(netdev);
 755         int status;
 756         u8 link_status = 0;
 757
 758         if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
 759                 dev_err(&adapter->pdev->dev, "Self test not supported\n");
 760                 test->flags |= ETH_TEST_FL_FAILED;
 761                 return;
 762         }
 763
 764         memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
 765
 766         if (test->flags & ETH_TEST_FL_OFFLINE) {
 767                 if (be_loopback_test(adapter, BE_MAC_LOOPBACK,
 768                                                 &data[0]) != 0) {
 769                         test->flags |= ETH_TEST_FL_FAILED;
 770                 }
 771                 if (be_loopback_test(adapter, BE_PHY_LOOPBACK,
 772                                                 &data[1]) != 0) {
 773                         test->flags |= ETH_TEST_FL_FAILED;
 774                 }
 775                 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
 776                                                 &data[2]) != 0) {
 777                         test->flags |= ETH_TEST_FL_FAILED;
 778                 }
 779         }
 780
 781         if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
 782                 data[3] = 1;
 783                 test->flags |= ETH_TEST_FL_FAILED;
 784         }
 785
 786         status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
 787         if (status) {
 788                 test->flags |= ETH_TEST_FL_FAILED;
 789                 data[4] = -1;
 790         } else if (!link_status) {
 791                 test->flags |= ETH_TEST_FL_FAILED;
 792                 data[4] = 1;
 793         }
 794 }
 795
 796 static int
 797 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 798 {
 799         struct be_adapter *adapter = netdev_priv(netdev);
 800
 801         return be_load_fw(adapter, efl->data);
 802 }
 803
 804 static int
 805 be_get_eeprom_len(struct net_device *netdev)
 806 {
 807         struct be_adapter *adapter = netdev_priv(netdev);
 808
 809         if (!check_privilege(adapter, MAX_PRIVILEGES))
 810                 return 0;
 811
 812         if (lancer_chip(adapter)) {
 813                 if (be_physfn(adapter))
 814                         return lancer_cmd_get_file_len(adapter,
 815                                         LANCER_VPD_PF_FILE);
 816                 else
 817                         return lancer_cmd_get_file_len(adapter,
 818                                         LANCER_VPD_VF_FILE);
 819         } else {
 820                 return BE_READ_SEEPROM_LEN;
 821         }
 822 }
 823
 824 static int
 825 be_read_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 826                         uint8_t *data)
 827 {
 828         struct be_adapter *adapter = netdev_priv(netdev);
 829         struct be_dma_mem eeprom_cmd;
 830         struct be_cmd_resp_seeprom_read *resp;
 831         int status;
 832
 833         if (!eeprom->len)
 834                 return -EINVAL;
 835
 836         if (lancer_chip(adapter)) {
 837                 if (be_physfn(adapter))
 838                         return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
 839                                         eeprom->len, data);
 840                 else
 841                         return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
 842                                         eeprom->len, data);
 843         }
 844
 845         eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
 846
 847         memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
 848         eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
 849         eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, eeprom_cmd.size,
 850                                            &eeprom_cmd.dma, GFP_KERNEL);
 851
 852         if (!eeprom_cmd.va)
 853                 return -ENOMEM;
 854
 855         status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
 856
 857         if (!status) {
 858                 resp = eeprom_cmd.va;
 859                 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
 860         }
 861         dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
 862                           eeprom_cmd.dma);
 863
 864         return status;
 865 }
 866
 867 static u32 be_get_msg_level(struct net_device *netdev)
 868 {
 869         struct be_adapter *adapter = netdev_priv(netdev);
 870
 871         if (lancer_chip(adapter)) {
 872                 dev_err(&adapter->pdev->dev, "Operation not supported\n");
 873                 return -EOPNOTSUPP;
 874         }
 875
 876         return adapter->msg_enable;
 877 }
 878
 879 static void be_set_fw_log_level(struct be_adapter *adapter, u32 level)
 880 {
 881         struct be_dma_mem extfat_cmd;
 882         struct be_fat_conf_params *cfgs;
 883         int status;
 884         int i, j;
 885
 886         memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
 887         extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
 888         extfat_cmd.va = pci_alloc_consistent(adapter->pdev, extfat_cmd.size,
 889                                              &extfat_cmd.dma);
 890         if (!extfat_cmd.va) {
 891                 dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n",
 892                         __func__);
 893                 goto err;
 894         }
 895         status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
 896         if (!status) {
 897                 cfgs = (struct be_fat_conf_params *)(extfat_cmd.va +
 898                                         sizeof(struct be_cmd_resp_hdr));
 899                 for (i = 0; i < le32_to_cpu(cfgs->num_modules); i++) {
 900                         u32 num_modes = le32_to_cpu(cfgs->module[i].num_modes);
 901                         for (j = 0; j < num_modes; j++) {
 902                                 if (cfgs->module[i].trace_lvl[j].mode ==
 903                                                                 MODE_UART)
 904                                         cfgs->module[i].trace_lvl[j].dbg_lvl =
 905                                                         cpu_to_le32(level);
 906                         }
 907                 }
 908                 status = be_cmd_set_ext_fat_capabilites(adapter, &extfat_cmd,
 909                                                         cfgs);
 910                 if (status)
 911                         dev_err(&adapter->pdev->dev,
 912                                 "Message level set failed\n");
 913         } else {
 914                 dev_err(&adapter->pdev->dev, "Message level get failed\n");
 915         }
 916
 917         pci_free_consistent(adapter->pdev, extfat_cmd.size, extfat_cmd.va,
 918                             extfat_cmd.dma);
 919 err:
 920         return;
 921 }
 922
 923 static void be_set_msg_level(struct net_device *netdev, u32 level)
 924 {
 925         struct be_adapter *adapter = netdev_priv(netdev);
 926
 927         if (lancer_chip(adapter)) {
 928                 dev_err(&adapter->pdev->dev, "Operation not supported\n");
 929                 return;
 930         }
 931
 932         if (adapter->msg_enable == level)
 933                 return;
 934
 935         if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
 936                 be_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
 937                                     FW_LOG_LEVEL_DEFAULT : FW_LOG_LEVEL_FATAL);
 938         adapter->msg_enable = level;
 939
 940         return;
 941 }
 942
 943 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
 944 {
 945         u64 data = 0;
 946
 947         switch (flow_type) {
 948         case TCP_V4_FLOW:
 949                 if (adapter->rss_flags & RSS_ENABLE_IPV4)
 950                         data |= RXH_IP_DST | RXH_IP_SRC;
 951                 if (adapter->rss_flags & RSS_ENABLE_TCP_IPV4)
 952                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 953                 break;
 954         case UDP_V4_FLOW:
 955                 if (adapter->rss_flags & RSS_ENABLE_IPV4)
 956                         data |= RXH_IP_DST | RXH_IP_SRC;
 957                 if (adapter->rss_flags & RSS_ENABLE_UDP_IPV4)
 958                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 959                 break;
 960         case TCP_V6_FLOW:
 961                 if (adapter->rss_flags & RSS_ENABLE_IPV6)
 962                         data |= RXH_IP_DST | RXH_IP_SRC;
 963                 if (adapter->rss_flags & RSS_ENABLE_TCP_IPV6)
 964                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 965                 break;
 966         case UDP_V6_FLOW:
 967                 if (adapter->rss_flags & RSS_ENABLE_IPV6)
 968                         data |= RXH_IP_DST | RXH_IP_SRC;
 969                 if (adapter->rss_flags & RSS_ENABLE_UDP_IPV6)
 970                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 971                 break;
 972         }
 973
 974         return data;
 975 }
 976
 977 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
 978                       u32 *rule_locs)
 979 {
 980         struct be_adapter *adapter = netdev_priv(netdev);
 981
 982         if (!be_multi_rxq(adapter)) {
 983                 dev_info(&adapter->pdev->dev,
 984                          "ethtool::get_rxnfc: RX flow hashing is disabled\n");
 985                 return -EINVAL;
 986         }
 987
 988         switch (cmd->cmd) {
 989         case ETHTOOL_GRXFH:
 990                 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
 991                 break;
 992         case ETHTOOL_GRXRINGS:
 993                 cmd->data = adapter->num_rx_qs - 1;
 994                 break;
 995         default:
 996                 return -EINVAL;
 997         }
 998
 999         return 0;
1000 }
1001
1002 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1003                                 struct ethtool_rxnfc *cmd)
1004 {
1005         struct be_rx_obj *rxo;
1006         int status = 0, i, j;
1007         u8 rsstable[128];
1008         u32 rss_flags = adapter->rss_flags;
1009
1010         if (cmd->data != L3_RSS_FLAGS &&
1011             cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1012                 return -EINVAL;
1013
1014         switch (cmd->flow_type) {
1015         case TCP_V4_FLOW:
1016                 if (cmd->data == L3_RSS_FLAGS)
1017                         rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1018                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1019                         rss_flags |= RSS_ENABLE_IPV4 |
1020                                         RSS_ENABLE_TCP_IPV4;
1021                 break;
1022         case TCP_V6_FLOW:
1023                 if (cmd->data == L3_RSS_FLAGS)
1024                         rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1025                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1026                         rss_flags |= RSS_ENABLE_IPV6 |
1027                                         RSS_ENABLE_TCP_IPV6;
1028                 break;
1029         case UDP_V4_FLOW:
1030                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1031                     BEx_chip(adapter))
1032                         return -EINVAL;
1033
1034                 if (cmd->data == L3_RSS_FLAGS)
1035                         rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1036                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1037                         rss_flags |= RSS_ENABLE_IPV4 |
1038                                         RSS_ENABLE_UDP_IPV4;
1039                 break;
1040         case UDP_V6_FLOW:
1041                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1042                     BEx_chip(adapter))
1043                         return -EINVAL;
1044
1045                 if (cmd->data == L3_RSS_FLAGS)
1046                         rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1047                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1048                         rss_flags |= RSS_ENABLE_IPV6 |
1049                                         RSS_ENABLE_UDP_IPV6;
1050                 break;
1051         default:
1052                 return -EINVAL;
1053         }
1054
1055         if (rss_flags == adapter->rss_flags)
1056                 return status;
1057
1058         if (be_multi_rxq(adapter)) {
1059                 for (j = 0; j < 128; j += adapter->num_rx_qs - 1) {
1060                         for_all_rss_queues(adapter, rxo, i) {
1061                                 if ((j + i) >= 128)
1062                                         break;
1063                                 rsstable[j + i] = rxo->rss_id;
1064                         }
1065                 }
1066         }
1067         status = be_cmd_rss_config(adapter, rsstable, rss_flags, 128);
1068         if (!status)
1069                 adapter->rss_flags = rss_flags;
1070
1071         return status;
1072 }
1073
1074 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1075 {
1076         struct be_adapter *adapter = netdev_priv(netdev);
1077         int status = 0;
1078
1079         if (!be_multi_rxq(adapter)) {
1080                 dev_err(&adapter->pdev->dev,
1081                         "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1082                 return -EINVAL;
1083         }
1084
1085         switch (cmd->cmd) {
1086         case ETHTOOL_SRXFH:
1087                 status = be_set_rss_hash_opts(adapter, cmd);
1088                 break;
1089         default:
1090                 return -EINVAL;
1091         }
1092
1093         return status;
1094 }
1095
1096 const struct ethtool_ops be_ethtool_ops = {
1097         .get_settings = be_get_settings,
1098         .get_drvinfo = be_get_drvinfo,
1099         .get_wol = be_get_wol,
1100         .set_wol = be_set_wol,
1101         .get_link = ethtool_op_get_link,
1102         .get_eeprom_len = be_get_eeprom_len,
1103         .get_eeprom = be_read_eeprom,
1104         .get_coalesce = be_get_coalesce,
1105         .set_coalesce = be_set_coalesce,
1106         .get_ringparam = be_get_ringparam,
1107         .get_pauseparam = be_get_pauseparam,
1108         .set_pauseparam = be_set_pauseparam,
1109         .get_strings = be_get_stat_strings,
1110         .set_phys_id = be_set_phys_id,
1111         .get_msglevel = be_get_msg_level,
1112         .set_msglevel = be_set_msg_level,
1113         .get_sset_count = be_get_sset_count,
1114         .get_ethtool_stats = be_get_ethtool_stats,
1115         .get_regs_len = be_get_reg_len,
1116         .get_regs = be_get_regs,
1117         .flash_device = be_do_flash,
1118         .self_test = be_self_test,
1119         .get_rxnfc = be_get_rxnfc,
1120         .set_rxnfc = be_set_rxnfc,
1121 };