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

   1 /*
   2  * Copyright (C) 2005 - 2015 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         /* Received packets dropped when the RX block runs out of space in
  82          * one of its input FIFOs. This could happen due a long burst of
  83          * minimum-sized (64b) frames in the receive path.
  84          * This counter may also be erroneously incremented rarely.
  85          */
  86         {DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
  87         {DRVSTAT_INFO(rx_ip_checksum_errs)},
  88         {DRVSTAT_INFO(rx_tcp_checksum_errs)},
  89         {DRVSTAT_INFO(rx_udp_checksum_errs)},
  90         {DRVSTAT_INFO(tx_pauseframes)},
  91         {DRVSTAT_INFO(tx_controlframes)},
  92         {DRVSTAT_INFO(rx_priority_pause_frames)},
  93         {DRVSTAT_INFO(tx_priority_pauseframes)},
  94         /* Received packets dropped when an internal fifo going into
  95          * main packet buffer tank (PMEM) overflows.
  96          */
  97         {DRVSTAT_INFO(pmem_fifo_overflow_drop)},
  98         {DRVSTAT_INFO(jabber_events)},
  99         /* Received packets dropped due to lack of available HW packet buffers
 100          * used to temporarily hold the received packets.
 101          */
 102         {DRVSTAT_INFO(rx_drops_no_pbuf)},
 103         /* Received packets dropped due to input receive buffer
 104          * descriptor fifo overflowing.
 105          */
 106         {DRVSTAT_INFO(rx_drops_no_erx_descr)},
 107         /* Packets dropped because the internal FIFO to the offloaded TCP
 108          * receive processing block is full. This could happen only for
 109          * offloaded iSCSI or FCoE trarffic.
 110          */
 111         {DRVSTAT_INFO(rx_drops_no_tpre_descr)},
 112         /* Received packets dropped when they need more than 8
 113          * receive buffers. This cannot happen as the driver configures
 114          * 2048 byte receive buffers.
 115          */
 116         {DRVSTAT_INFO(rx_drops_too_many_frags)},
 117         {DRVSTAT_INFO(forwarded_packets)},
 118         /* Received packets dropped when the frame length
 119          * is more than 9018 bytes
 120          */
 121         {DRVSTAT_INFO(rx_drops_mtu)},
 122         /* Number of dma mapping errors */
 123         {DRVSTAT_INFO(dma_map_errors)},
 124         /* Number of packets dropped due to random early drop function */
 125         {DRVSTAT_INFO(eth_red_drops)},
 126         {DRVSTAT_INFO(rx_roce_bytes_lsd)},
 127         {DRVSTAT_INFO(rx_roce_bytes_msd)},
 128         {DRVSTAT_INFO(rx_roce_frames)},
 129         {DRVSTAT_INFO(roce_drops_payload_len)},
 130         {DRVSTAT_INFO(roce_drops_crc)}
 131 };
 132
 133 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
 134
 135 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
 136  * are first and second members respectively.
 137  */
 138 static const struct be_ethtool_stat et_rx_stats[] = {
 139         {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
 140         {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
 141         {DRVSTAT_RX_INFO(rx_vxlan_offload_pkts)},
 142         {DRVSTAT_RX_INFO(rx_compl)},
 143         {DRVSTAT_RX_INFO(rx_compl_err)},
 144         {DRVSTAT_RX_INFO(rx_mcast_pkts)},
 145         /* Number of page allocation failures while posting receive buffers
 146          * to HW.
 147          */
 148         {DRVSTAT_RX_INFO(rx_post_fail)},
 149         /* Recevied packets dropped due to skb allocation failure */
 150         {DRVSTAT_RX_INFO(rx_drops_no_skbs)},
 151         /* Received packets dropped due to lack of available fetched buffers
 152          * posted by the driver.
 153          */
 154         {DRVSTAT_RX_INFO(rx_drops_no_frags)}
 155 };
 156
 157 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
 158
 159 /* Stats related to multi TX queues: get_stats routine assumes compl is the
 160  * first member
 161  */
 162 static const struct be_ethtool_stat et_tx_stats[] = {
 163         {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
 164         /* This counter is incremented when the HW encounters an error while
 165          * parsing the packet header of an outgoing TX request. This counter is
 166          * applicable only for BE2, BE3 and Skyhawk based adapters.
 167          */
 168         {DRVSTAT_TX_INFO(tx_hdr_parse_err)},
 169         /* This counter is incremented when an error occurs in the DMA
 170          * operation associated with the TX request from the host to the device.
 171          */
 172         {DRVSTAT_TX_INFO(tx_dma_err)},
 173         /* This counter is incremented when MAC or VLAN spoof checking is
 174          * enabled on the interface and the TX request fails the spoof check
 175          * in HW.
 176          */
 177         {DRVSTAT_TX_INFO(tx_spoof_check_err)},
 178         /* This counter is incremented when the HW encounters an error while
 179          * performing TSO offload. This counter is applicable only for Lancer
 180          * adapters.
 181          */
 182         {DRVSTAT_TX_INFO(tx_tso_err)},
 183         /* This counter is incremented when the HW detects Q-in-Q style VLAN
 184          * tagging in a packet and such tagging is not expected on the outgoing
 185          * interface. This counter is applicable only for Lancer adapters.
 186          */
 187         {DRVSTAT_TX_INFO(tx_qinq_err)},
 188         /* This counter is incremented when the HW detects parity errors in the
 189          * packet data. This counter is applicable only for Lancer adapters.
 190          */
 191         {DRVSTAT_TX_INFO(tx_internal_parity_err)},
 192         {DRVSTAT_TX_INFO(tx_bytes)},
 193         {DRVSTAT_TX_INFO(tx_pkts)},
 194         {DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)},
 195         /* Number of skbs queued for trasmission by the driver */
 196         {DRVSTAT_TX_INFO(tx_reqs)},
 197         /* Number of times the TX queue was stopped due to lack
 198          * of spaces in the TXQ.
 199          */
 200         {DRVSTAT_TX_INFO(tx_stops)},
 201         /* Pkts dropped in the driver's transmit path */
 202         {DRVSTAT_TX_INFO(tx_drv_drops)}
 203 };
 204
 205 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
 206
 207 static const char et_self_tests[][ETH_GSTRING_LEN] = {
 208         "MAC Loopback test",
 209         "PHY Loopback test",
 210         "External Loopback test",
 211         "DDR DMA test",
 212         "Link test"
 213 };
 214
 215 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
 216 #define BE_MAC_LOOPBACK 0x0
 217 #define BE_PHY_LOOPBACK 0x1
 218 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
 219 #define BE_NO_LOOPBACK 0xff
 220
 221 static void be_get_drvinfo(struct net_device *netdev,
 222                            struct ethtool_drvinfo *drvinfo)
 223 {
 224         struct be_adapter *adapter = netdev_priv(netdev);
 225
 226         strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
 227         strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
 228         if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
 229                 strlcpy(drvinfo->fw_version, adapter->fw_ver,
 230                         sizeof(drvinfo->fw_version));
 231         else
 232                 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 233                          "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
 234
 235         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 236                 sizeof(drvinfo->bus_info));
 237 }
 238
 239 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
 240 {
 241         u32 data_read = 0, eof;
 242         u8 addn_status;
 243         struct be_dma_mem data_len_cmd;
 244
 245         memset(&data_len_cmd, 0, sizeof(data_len_cmd));
 246         /* data_offset and data_size should be 0 to get reg len */
 247         lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name,
 248                                &data_read, &eof, &addn_status);
 249
 250         return data_read;
 251 }
 252
 253 static int be_get_dump_len(struct be_adapter *adapter)
 254 {
 255         u32 dump_size = 0;
 256
 257         if (lancer_chip(adapter))
 258                 dump_size = lancer_cmd_get_file_len(adapter,
 259                                                     LANCER_FW_DUMP_FILE);
 260         else
 261                 dump_size = adapter->fat_dump_len;
 262
 263         return dump_size;
 264 }
 265
 266 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
 267                                 u32 buf_len, void *buf)
 268 {
 269         struct be_dma_mem read_cmd;
 270         u32 read_len = 0, total_read_len = 0, chunk_size;
 271         u32 eof = 0;
 272         u8 addn_status;
 273         int status = 0;
 274
 275         read_cmd.size = LANCER_READ_FILE_CHUNK;
 276         read_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, read_cmd.size,
 277                                           &read_cmd.dma, GFP_ATOMIC);
 278
 279         if (!read_cmd.va) {
 280                 dev_err(&adapter->pdev->dev,
 281                         "Memory allocation failure while reading dump\n");
 282                 return -ENOMEM;
 283         }
 284
 285         while ((total_read_len < buf_len) && !eof) {
 286                 chunk_size = min_t(u32, (buf_len - total_read_len),
 287                                    LANCER_READ_FILE_CHUNK);
 288                 chunk_size = ALIGN(chunk_size, 4);
 289                 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
 290                                                 total_read_len, file_name,
 291                                                 &read_len, &eof, &addn_status);
 292                 if (!status) {
 293                         memcpy(buf + total_read_len, read_cmd.va, read_len);
 294                         total_read_len += read_len;
 295                         eof &= LANCER_READ_FILE_EOF_MASK;
 296                 } else {
 297                         status = -EIO;
 298                         break;
 299                 }
 300         }
 301         dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va,
 302                           read_cmd.dma);
 303
 304         return status;
 305 }
 306
 307 static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len,
 308                              void *buf)
 309 {
 310         int status = 0;
 311
 312         if (lancer_chip(adapter))
 313                 status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
 314                                               dump_len, buf);
 315         else
 316                 status = be_cmd_get_fat_dump(adapter, dump_len, buf);
 317
 318         return status;
 319 }
 320
 321 static int be_get_coalesce(struct net_device *netdev,
 322                            struct ethtool_coalesce *et)
 323 {
 324         struct be_adapter *adapter = netdev_priv(netdev);
 325         struct be_aic_obj *aic = &adapter->aic_obj[0];
 326
 327         et->rx_coalesce_usecs = aic->prev_eqd;
 328         et->rx_coalesce_usecs_high = aic->max_eqd;
 329         et->rx_coalesce_usecs_low = aic->min_eqd;
 330
 331         et->tx_coalesce_usecs = aic->prev_eqd;
 332         et->tx_coalesce_usecs_high = aic->max_eqd;
 333         et->tx_coalesce_usecs_low = aic->min_eqd;
 334
 335         et->use_adaptive_rx_coalesce = aic->enable;
 336         et->use_adaptive_tx_coalesce = aic->enable;
 337
 338         return 0;
 339 }
 340
 341 /* TX attributes are ignored. Only RX attributes are considered
 342  * eqd cmd is issued in the worker thread.
 343  */
 344 static int be_set_coalesce(struct net_device *netdev,
 345                            struct ethtool_coalesce *et)
 346 {
 347         struct be_adapter *adapter = netdev_priv(netdev);
 348         struct be_aic_obj *aic = &adapter->aic_obj[0];
 349         struct be_eq_obj *eqo;
 350         int i;
 351
 352         for_all_evt_queues(adapter, eqo, i) {
 353                 aic->enable = et->use_adaptive_rx_coalesce;
 354                 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
 355                 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
 356                 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
 357                 aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
 358                 aic++;
 359         }
 360
 361         /* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled.
 362          * When AIC is disabled, persistently force set EQD value via the
 363          * FW cmd, so that we don't have to calculate the delay multiplier
 364          * encode value each time EQ_DB is rung
 365          */
 366         if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter))
 367                 be_eqd_update(adapter, true);
 368
 369         return 0;
 370 }
 371
 372 static void be_get_ethtool_stats(struct net_device *netdev,
 373                                  struct ethtool_stats *stats, uint64_t *data)
 374 {
 375         struct be_adapter *adapter = netdev_priv(netdev);
 376         struct be_rx_obj *rxo;
 377         struct be_tx_obj *txo;
 378         void *p;
 379         unsigned int i, j, base = 0, start;
 380
 381         for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 382                 p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
 383                 data[i] = *(u32 *)p;
 384         }
 385         base += ETHTOOL_STATS_NUM;
 386
 387         for_all_rx_queues(adapter, rxo, j) {
 388                 struct be_rx_stats *stats = rx_stats(rxo);
 389
 390                 do {
 391                         start = u64_stats_fetch_begin_irq(&stats->sync);
 392                         data[base] = stats->rx_bytes;
 393                         data[base + 1] = stats->rx_pkts;
 394                 } while (u64_stats_fetch_retry_irq(&stats->sync, start));
 395
 396                 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
 397                         p = (u8 *)stats + et_rx_stats[i].offset;
 398                         data[base + i] = *(u32 *)p;
 399                 }
 400                 base += ETHTOOL_RXSTATS_NUM;
 401         }
 402
 403         for_all_tx_queues(adapter, txo, j) {
 404                 struct be_tx_stats *stats = tx_stats(txo);
 405
 406                 do {
 407                         start = u64_stats_fetch_begin_irq(&stats->sync_compl);
 408                         data[base] = stats->tx_compl;
 409                 } while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
 410
 411                 do {
 412                         start = u64_stats_fetch_begin_irq(&stats->sync);
 413                         for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
 414                                 p = (u8 *)stats + et_tx_stats[i].offset;
 415                                 data[base + i] =
 416                                         (et_tx_stats[i].size == sizeof(u64)) ?
 417                                                 *(u64 *)p : *(u32 *)p;
 418                         }
 419                 } while (u64_stats_fetch_retry_irq(&stats->sync, start));
 420                 base += ETHTOOL_TXSTATS_NUM;
 421         }
 422 }
 423
 424 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 425                                 uint8_t *data)
 426 {
 427         struct be_adapter *adapter = netdev_priv(netdev);
 428         int i, j;
 429
 430         switch (stringset) {
 431         case ETH_SS_STATS:
 432                 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 433                         memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
 434                         data += ETH_GSTRING_LEN;
 435                 }
 436                 for (i = 0; i < adapter->num_rx_qs; i++) {
 437                         for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
 438                                 sprintf(data, "rxq%d: %s", i,
 439                                         et_rx_stats[j].desc);
 440                                 data += ETH_GSTRING_LEN;
 441                         }
 442                 }
 443                 for (i = 0; i < adapter->num_tx_qs; i++) {
 444                         for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
 445                                 sprintf(data, "txq%d: %s", i,
 446                                         et_tx_stats[j].desc);
 447                                 data += ETH_GSTRING_LEN;
 448                         }
 449                 }
 450                 break;
 451         case ETH_SS_TEST:
 452                 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
 453                         memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
 454                         data += ETH_GSTRING_LEN;
 455                 }
 456                 break;
 457         }
 458 }
 459
 460 static int be_get_sset_count(struct net_device *netdev, int stringset)
 461 {
 462         struct be_adapter *adapter = netdev_priv(netdev);
 463
 464         switch (stringset) {
 465         case ETH_SS_TEST:
 466                 return ETHTOOL_TESTS_NUM;
 467         case ETH_SS_STATS:
 468                 return ETHTOOL_STATS_NUM +
 469                         adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
 470                         adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
 471         default:
 472                 return -EINVAL;
 473         }
 474 }
 475
 476 static u32 be_get_port_type(struct be_adapter *adapter)
 477 {
 478         u32 port;
 479
 480         switch (adapter->phy.interface_type) {
 481         case PHY_TYPE_BASET_1GB:
 482         case PHY_TYPE_BASEX_1GB:
 483         case PHY_TYPE_SGMII:
 484                 port = PORT_TP;
 485                 break;
 486         case PHY_TYPE_SFP_PLUS_10GB:
 487                 if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
 488                         port = PORT_DA;
 489                 else
 490                         port = PORT_FIBRE;
 491                 break;
 492         case PHY_TYPE_QSFP:
 493                 if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
 494                         port = PORT_DA;
 495                 else
 496                         port = PORT_FIBRE;
 497                 break;
 498         case PHY_TYPE_XFP_10GB:
 499         case PHY_TYPE_SFP_1GB:
 500                 port = PORT_FIBRE;
 501                 break;
 502         case PHY_TYPE_BASET_10GB:
 503                 port = PORT_TP;
 504                 break;
 505         default:
 506                 port = PORT_OTHER;
 507         }
 508
 509         return port;
 510 }
 511
 512 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
 513 {
 514         u32 val = 0;
 515
 516         switch (adapter->phy.interface_type) {
 517         case PHY_TYPE_BASET_1GB:
 518         case PHY_TYPE_BASEX_1GB:
 519         case PHY_TYPE_SGMII:
 520                 val |= SUPPORTED_TP;
 521                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 522                         val |= SUPPORTED_1000baseT_Full;
 523                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 524                         val |= SUPPORTED_100baseT_Full;
 525                 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
 526                         val |= SUPPORTED_10baseT_Full;
 527                 break;
 528         case PHY_TYPE_KX4_10GB:
 529                 val |= SUPPORTED_Backplane;
 530                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 531                         val |= SUPPORTED_1000baseKX_Full;
 532                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 533                         val |= SUPPORTED_10000baseKX4_Full;
 534                 break;
 535         case PHY_TYPE_KR2_20GB:
 536                 val |= SUPPORTED_Backplane;
 537                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 538                         val |= SUPPORTED_10000baseKR_Full;
 539                 if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
 540                         val |= SUPPORTED_20000baseKR2_Full;
 541                 break;
 542         case PHY_TYPE_KR_10GB:
 543                 val |= SUPPORTED_Backplane |
 544                                 SUPPORTED_10000baseKR_Full;
 545                 break;
 546         case PHY_TYPE_KR4_40GB:
 547                 val |= SUPPORTED_Backplane;
 548                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 549                         val |= SUPPORTED_10000baseKR_Full;
 550                 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
 551                         val |= SUPPORTED_40000baseKR4_Full;
 552                 break;
 553         case PHY_TYPE_QSFP:
 554                 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
 555                         switch (adapter->phy.cable_type) {
 556                         case QSFP_PLUS_CR4_CABLE:
 557                                 val |= SUPPORTED_40000baseCR4_Full;
 558                                 break;
 559                         case QSFP_PLUS_LR4_CABLE:
 560                                 val |= SUPPORTED_40000baseLR4_Full;
 561                                 break;
 562                         default:
 563                                 val |= SUPPORTED_40000baseSR4_Full;
 564                                 break;
 565                         }
 566                 }
 567         case PHY_TYPE_SFP_PLUS_10GB:
 568         case PHY_TYPE_XFP_10GB:
 569         case PHY_TYPE_SFP_1GB:
 570                 val |= SUPPORTED_FIBRE;
 571                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 572                         val |= SUPPORTED_10000baseT_Full;
 573                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 574                         val |= SUPPORTED_1000baseT_Full;
 575                 break;
 576         case PHY_TYPE_BASET_10GB:
 577                 val |= SUPPORTED_TP;
 578                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 579                         val |= SUPPORTED_10000baseT_Full;
 580                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 581                         val |= SUPPORTED_1000baseT_Full;
 582                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 583                         val |= SUPPORTED_100baseT_Full;
 584                 break;
 585         default:
 586                 val |= SUPPORTED_TP;
 587         }
 588
 589         return val;
 590 }
 591
 592 bool be_pause_supported(struct be_adapter *adapter)
 593 {
 594         return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
 595                 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
 596                 false : true;
 597 }
 598
 599 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 600 {
 601         struct be_adapter *adapter = netdev_priv(netdev);
 602         u8 link_status;
 603         u16 link_speed = 0;
 604         int status;
 605         u32 auto_speeds;
 606         u32 fixed_speeds;
 607
 608         if (adapter->phy.link_speed < 0) {
 609                 status = be_cmd_link_status_query(adapter, &link_speed,
 610                                                   &link_status, 0);
 611                 if (!status)
 612                         be_link_status_update(adapter, link_status);
 613                 ethtool_cmd_speed_set(ecmd, link_speed);
 614
 615                 status = be_cmd_get_phy_info(adapter);
 616                 if (!status) {
 617                         auto_speeds = adapter->phy.auto_speeds_supported;
 618                         fixed_speeds = adapter->phy.fixed_speeds_supported;
 619
 620                         be_cmd_query_cable_type(adapter);
 621
 622                         ecmd->supported =
 623                                 convert_to_et_setting(adapter,
 624                                                       auto_speeds |
 625                                                       fixed_speeds);
 626                         ecmd->advertising =
 627                                 convert_to_et_setting(adapter, auto_speeds);
 628
 629                         ecmd->port = be_get_port_type(adapter);
 630
 631                         if (adapter->phy.auto_speeds_supported) {
 632                                 ecmd->supported |= SUPPORTED_Autoneg;
 633                                 ecmd->autoneg = AUTONEG_ENABLE;
 634                                 ecmd->advertising |= ADVERTISED_Autoneg;
 635                         }
 636
 637                         ecmd->supported |= SUPPORTED_Pause;
 638                         if (be_pause_supported(adapter))
 639                                 ecmd->advertising |= ADVERTISED_Pause;
 640
 641                         switch (adapter->phy.interface_type) {
 642                         case PHY_TYPE_KR_10GB:
 643                         case PHY_TYPE_KX4_10GB:
 644                                 ecmd->transceiver = XCVR_INTERNAL;
 645                                 break;
 646                         default:
 647                                 ecmd->transceiver = XCVR_EXTERNAL;
 648                                 break;
 649                         }
 650                 } else {
 651                         ecmd->port = PORT_OTHER;
 652                         ecmd->autoneg = AUTONEG_DISABLE;
 653                         ecmd->transceiver = XCVR_DUMMY1;
 654                 }
 655
 656                 /* Save for future use */
 657                 adapter->phy.link_speed = ethtool_cmd_speed(ecmd);
 658                 adapter->phy.port_type = ecmd->port;
 659                 adapter->phy.transceiver = ecmd->transceiver;
 660                 adapter->phy.autoneg = ecmd->autoneg;
 661                 adapter->phy.advertising = ecmd->advertising;
 662                 adapter->phy.supported = ecmd->supported;
 663         } else {
 664                 ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed);
 665                 ecmd->port = adapter->phy.port_type;
 666                 ecmd->transceiver = adapter->phy.transceiver;
 667                 ecmd->autoneg = adapter->phy.autoneg;
 668                 ecmd->advertising = adapter->phy.advertising;
 669                 ecmd->supported = adapter->phy.supported;
 670         }
 671
 672         ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN;
 673         ecmd->phy_address = adapter->port_num;
 674
 675         return 0;
 676 }
 677
 678 static void be_get_ringparam(struct net_device *netdev,
 679                              struct ethtool_ringparam *ring)
 680 {
 681         struct be_adapter *adapter = netdev_priv(netdev);
 682
 683         ring->rx_max_pending = adapter->rx_obj[0].q.len;
 684         ring->rx_pending = adapter->rx_obj[0].q.len;
 685         ring->tx_max_pending = adapter->tx_obj[0].q.len;
 686         ring->tx_pending = adapter->tx_obj[0].q.len;
 687 }
 688
 689 static void
 690 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 691 {
 692         struct be_adapter *adapter = netdev_priv(netdev);
 693
 694         be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
 695         ecmd->autoneg = adapter->phy.fc_autoneg;
 696 }
 697
 698 static int
 699 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 700 {
 701         struct be_adapter *adapter = netdev_priv(netdev);
 702         int status;
 703
 704         if (ecmd->autoneg != adapter->phy.fc_autoneg)
 705                 return -EINVAL;
 706
 707         status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
 708                                          ecmd->rx_pause);
 709         if (status) {
 710                 dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
 711                 return be_cmd_status(status);
 712         }
 713
 714         adapter->tx_fc = ecmd->tx_pause;
 715         adapter->rx_fc = ecmd->rx_pause;
 716         return 0;
 717 }
 718
 719 static int be_set_phys_id(struct net_device *netdev,
 720                           enum ethtool_phys_id_state state)
 721 {
 722         struct be_adapter *adapter = netdev_priv(netdev);
 723         int status = 0;
 724
 725         switch (state) {
 726         case ETHTOOL_ID_ACTIVE:
 727                 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
 728                                                  &adapter->beacon_state);
 729                 if (status)
 730                         return be_cmd_status(status);
 731                 return 1;       /* cycle on/off once per second */
 732
 733         case ETHTOOL_ID_ON:
 734                 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 735                                                  0, 0, BEACON_STATE_ENABLED);
 736                 break;
 737
 738         case ETHTOOL_ID_OFF:
 739                 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 740                                                  0, 0, BEACON_STATE_DISABLED);
 741                 break;
 742
 743         case ETHTOOL_ID_INACTIVE:
 744                 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 745                                                  0, 0, adapter->beacon_state);
 746         }
 747
 748         return be_cmd_status(status);
 749 }
 750
 751 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
 752 {
 753         struct be_adapter *adapter = netdev_priv(netdev);
 754         struct device *dev = &adapter->pdev->dev;
 755         int status;
 756
 757         if (!lancer_chip(adapter) ||
 758             !check_privilege(adapter, MAX_PRIVILEGES))
 759                 return -EOPNOTSUPP;
 760
 761         switch (dump->flag) {
 762         case LANCER_INITIATE_FW_DUMP:
 763                 status = lancer_initiate_dump(adapter);
 764                 if (!status)
 765                         dev_info(dev, "FW dump initiated successfully\n");
 766                 break;
 767         case LANCER_DELETE_FW_DUMP:
 768                 status = lancer_delete_dump(adapter);
 769                 if (!status)
 770                         dev_info(dev, "FW dump deleted successfully\n");
 771         break;
 772         default:
 773                 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
 774                 return -EINVAL;
 775         }
 776         return status;
 777 }
 778
 779 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 780 {
 781         struct be_adapter *adapter = netdev_priv(netdev);
 782
 783         if (adapter->wol_cap & BE_WOL_CAP) {
 784                 wol->supported |= WAKE_MAGIC;
 785                 if (adapter->wol_en)
 786                         wol->wolopts |= WAKE_MAGIC;
 787         } else {
 788                 wol->wolopts = 0;
 789         }
 790         memset(&wol->sopass, 0, sizeof(wol->sopass));
 791 }
 792
 793 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 794 {
 795         struct be_adapter *adapter = netdev_priv(netdev);
 796         struct device *dev = &adapter->pdev->dev;
 797         struct be_dma_mem cmd;
 798         u8 mac[ETH_ALEN];
 799         bool enable;
 800         int status;
 801
 802         if (wol->wolopts & ~WAKE_MAGIC)
 803                 return -EOPNOTSUPP;
 804
 805         if (!(adapter->wol_cap & BE_WOL_CAP)) {
 806                 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
 807                 return -EOPNOTSUPP;
 808         }
 809
 810         cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
 811         cmd.va = dma_zalloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
 812         if (!cmd.va)
 813                 return -ENOMEM;
 814
 815         eth_zero_addr(mac);
 816
 817         enable = wol->wolopts & WAKE_MAGIC;
 818         if (enable)
 819                 ether_addr_copy(mac, adapter->netdev->dev_addr);
 820
 821         status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
 822         if (status) {
 823                 dev_err(dev, "Could not set Wake-on-lan mac address\n");
 824                 status = be_cmd_status(status);
 825                 goto err;
 826         }
 827
 828         pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
 829         pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
 830
 831         adapter->wol_en = enable ? true : false;
 832
 833 err:
 834         dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
 835         return status;
 836 }
 837
 838 static int be_test_ddr_dma(struct be_adapter *adapter)
 839 {
 840         int ret, i;
 841         struct be_dma_mem ddrdma_cmd;
 842         static const u64 pattern[2] = {
 843                 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
 844         };
 845
 846         ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 847         ddrdma_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
 848                                             ddrdma_cmd.size, &ddrdma_cmd.dma,
 849                                             GFP_KERNEL);
 850         if (!ddrdma_cmd.va)
 851                 return -ENOMEM;
 852
 853         for (i = 0; i < 2; i++) {
 854                 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
 855                                           4096, &ddrdma_cmd);
 856                 if (ret != 0)
 857                         goto err;
 858         }
 859
 860 err:
 861         dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
 862                           ddrdma_cmd.dma);
 863         return be_cmd_status(ret);
 864 }
 865
 866 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
 867                             u64 *status)
 868 {
 869         int ret;
 870
 871         ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 872                                   loopback_type, 1);
 873         if (ret)
 874                 return ret;
 875
 876         *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
 877                                        loopback_type, 1500, 2, 0xabc);
 878
 879         ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 880                                   BE_NO_LOOPBACK, 1);
 881         if (ret)
 882                 return ret;
 883
 884         return *status;
 885 }
 886
 887 static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
 888                          u64 *data)
 889 {
 890         struct be_adapter *adapter = netdev_priv(netdev);
 891         int status;
 892         u8 link_status = 0;
 893
 894         if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
 895                 dev_err(&adapter->pdev->dev, "Self test not supported\n");
 896                 test->flags |= ETH_TEST_FL_FAILED;
 897                 return;
 898         }
 899
 900         memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
 901
 902         if (test->flags & ETH_TEST_FL_OFFLINE) {
 903                 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
 904                         test->flags |= ETH_TEST_FL_FAILED;
 905
 906                 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
 907                         test->flags |= ETH_TEST_FL_FAILED;
 908
 909                 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
 910                         if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
 911                                              &data[2]) != 0)
 912                                 test->flags |= ETH_TEST_FL_FAILED;
 913                         test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
 914                 }
 915         }
 916
 917         if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
 918                 data[3] = 1;
 919                 test->flags |= ETH_TEST_FL_FAILED;
 920         }
 921
 922         status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
 923         if (status) {
 924                 test->flags |= ETH_TEST_FL_FAILED;
 925                 data[4] = -1;
 926         } else if (!link_status) {
 927                 test->flags |= ETH_TEST_FL_FAILED;
 928                 data[4] = 1;
 929         }
 930 }
 931
 932 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 933 {
 934         struct be_adapter *adapter = netdev_priv(netdev);
 935
 936         return be_load_fw(adapter, efl->data);
 937 }
 938
 939 static int
 940 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
 941 {
 942         struct be_adapter *adapter = netdev_priv(netdev);
 943
 944         if (!check_privilege(adapter, MAX_PRIVILEGES))
 945                 return -EOPNOTSUPP;
 946
 947         dump->len = be_get_dump_len(adapter);
 948         dump->version = 1;
 949         dump->flag = 0x1;       /* FW dump is enabled */
 950         return 0;
 951 }
 952
 953 static int
 954 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
 955                  void *buf)
 956 {
 957         struct be_adapter *adapter = netdev_priv(netdev);
 958         int status;
 959
 960         if (!check_privilege(adapter, MAX_PRIVILEGES))
 961                 return -EOPNOTSUPP;
 962
 963         status = be_read_dump_data(adapter, dump->len, buf);
 964         return be_cmd_status(status);
 965 }
 966
 967 static int be_get_eeprom_len(struct net_device *netdev)
 968 {
 969         struct be_adapter *adapter = netdev_priv(netdev);
 970
 971         if (!check_privilege(adapter, MAX_PRIVILEGES))
 972                 return 0;
 973
 974         if (lancer_chip(adapter)) {
 975                 if (be_physfn(adapter))
 976                         return lancer_cmd_get_file_len(adapter,
 977                                                        LANCER_VPD_PF_FILE);
 978                 else
 979                         return lancer_cmd_get_file_len(adapter,
 980                                                        LANCER_VPD_VF_FILE);
 981         } else {
 982                 return BE_READ_SEEPROM_LEN;
 983         }
 984 }
 985
 986 static int be_read_eeprom(struct net_device *netdev,
 987                           struct ethtool_eeprom *eeprom, uint8_t *data)
 988 {
 989         struct be_adapter *adapter = netdev_priv(netdev);
 990         struct be_dma_mem eeprom_cmd;
 991         struct be_cmd_resp_seeprom_read *resp;
 992         int status;
 993
 994         if (!eeprom->len)
 995                 return -EINVAL;
 996
 997         if (lancer_chip(adapter)) {
 998                 if (be_physfn(adapter))
 999                         return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1000                                                     eeprom->len, data);
1001                 else
1002                         return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1003                                                     eeprom->len, data);
1004         }
1005
1006         eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1007
1008         memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1009         eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1010         eeprom_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
1011                                             eeprom_cmd.size, &eeprom_cmd.dma,
1012                                             GFP_KERNEL);
1013
1014         if (!eeprom_cmd.va)
1015                 return -ENOMEM;
1016
1017         status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1018
1019         if (!status) {
1020                 resp = eeprom_cmd.va;
1021                 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1022         }
1023         dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1024                           eeprom_cmd.dma);
1025
1026         return be_cmd_status(status);
1027 }
1028
1029 static u32 be_get_msg_level(struct net_device *netdev)
1030 {
1031         struct be_adapter *adapter = netdev_priv(netdev);
1032
1033         return adapter->msg_enable;
1034 }
1035
1036 static void be_set_msg_level(struct net_device *netdev, u32 level)
1037 {
1038         struct be_adapter *adapter = netdev_priv(netdev);
1039
1040         if (adapter->msg_enable == level)
1041                 return;
1042
1043         if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1044                 if (BEx_chip(adapter))
1045                         be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1046                                                 FW_LOG_LEVEL_DEFAULT :
1047                                                 FW_LOG_LEVEL_FATAL);
1048         adapter->msg_enable = level;
1049 }
1050
1051 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1052 {
1053         u64 data = 0;
1054
1055         switch (flow_type) {
1056         case TCP_V4_FLOW:
1057                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1058                         data |= RXH_IP_DST | RXH_IP_SRC;
1059                 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1060                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1061                 break;
1062         case UDP_V4_FLOW:
1063                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1064                         data |= RXH_IP_DST | RXH_IP_SRC;
1065                 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1066                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1067                 break;
1068         case TCP_V6_FLOW:
1069                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1070                         data |= RXH_IP_DST | RXH_IP_SRC;
1071                 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1072                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1073                 break;
1074         case UDP_V6_FLOW:
1075                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1076                         data |= RXH_IP_DST | RXH_IP_SRC;
1077                 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1078                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1079                 break;
1080         }
1081
1082         return data;
1083 }
1084
1085 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1086                         u32 *rule_locs)
1087 {
1088         struct be_adapter *adapter = netdev_priv(netdev);
1089
1090         if (!be_multi_rxq(adapter)) {
1091                 dev_info(&adapter->pdev->dev,
1092                          "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1093                 return -EINVAL;
1094         }
1095
1096         switch (cmd->cmd) {
1097         case ETHTOOL_GRXFH:
1098                 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1099                 break;
1100         case ETHTOOL_GRXRINGS:
1101                 cmd->data = adapter->num_rx_qs - 1;
1102                 break;
1103         default:
1104                 return -EINVAL;
1105         }
1106
1107         return 0;
1108 }
1109
1110 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1111                                 struct ethtool_rxnfc *cmd)
1112 {
1113         int status;
1114         u32 rss_flags = adapter->rss_info.rss_flags;
1115
1116         if (cmd->data != L3_RSS_FLAGS &&
1117             cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1118                 return -EINVAL;
1119
1120         switch (cmd->flow_type) {
1121         case TCP_V4_FLOW:
1122                 if (cmd->data == L3_RSS_FLAGS)
1123                         rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1124                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1125                         rss_flags |= RSS_ENABLE_IPV4 |
1126                                         RSS_ENABLE_TCP_IPV4;
1127                 break;
1128         case TCP_V6_FLOW:
1129                 if (cmd->data == L3_RSS_FLAGS)
1130                         rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1131                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1132                         rss_flags |= RSS_ENABLE_IPV6 |
1133                                         RSS_ENABLE_TCP_IPV6;
1134                 break;
1135         case UDP_V4_FLOW:
1136                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1137                     BEx_chip(adapter))
1138                         return -EINVAL;
1139
1140                 if (cmd->data == L3_RSS_FLAGS)
1141                         rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1142                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1143                         rss_flags |= RSS_ENABLE_IPV4 |
1144                                         RSS_ENABLE_UDP_IPV4;
1145                 break;
1146         case UDP_V6_FLOW:
1147                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1148                     BEx_chip(adapter))
1149                         return -EINVAL;
1150
1151                 if (cmd->data == L3_RSS_FLAGS)
1152                         rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1153                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1154                         rss_flags |= RSS_ENABLE_IPV6 |
1155                                         RSS_ENABLE_UDP_IPV6;
1156                 break;
1157         default:
1158                 return -EINVAL;
1159         }
1160
1161         if (rss_flags == adapter->rss_info.rss_flags)
1162                 return 0;
1163
1164         status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1165                                    rss_flags, RSS_INDIR_TABLE_LEN,
1166                                    adapter->rss_info.rss_hkey);
1167         if (!status)
1168                 adapter->rss_info.rss_flags = rss_flags;
1169
1170         return be_cmd_status(status);
1171 }
1172
1173 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1174 {
1175         struct be_adapter *adapter = netdev_priv(netdev);
1176         int status = 0;
1177
1178         if (!be_multi_rxq(adapter)) {
1179                 dev_err(&adapter->pdev->dev,
1180                         "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1181                 return -EINVAL;
1182         }
1183
1184         switch (cmd->cmd) {
1185         case ETHTOOL_SRXFH:
1186                 status = be_set_rss_hash_opts(adapter, cmd);
1187                 break;
1188         default:
1189                 return -EINVAL;
1190         }
1191
1192         return status;
1193 }
1194
1195 static void be_get_channels(struct net_device *netdev,
1196                             struct ethtool_channels *ch)
1197 {
1198         struct be_adapter *adapter = netdev_priv(netdev);
1199         u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1200
1201         /* num_tx_qs is always same as the number of irqs used for TX */
1202         ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1203         ch->rx_count = num_rx_irqs - ch->combined_count;
1204         ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1205
1206         ch->max_combined = be_max_qp_irqs(adapter);
1207         /* The user must create atleast one combined channel */
1208         ch->max_rx = be_max_rx_irqs(adapter) - 1;
1209         ch->max_tx = be_max_tx_irqs(adapter) - 1;
1210 }
1211
1212 static int be_set_channels(struct net_device  *netdev,
1213                            struct ethtool_channels *ch)
1214 {
1215         struct be_adapter *adapter = netdev_priv(netdev);
1216         int status;
1217
1218         /* we support either only combined channels or a combination of
1219          * combined and either RX-only or TX-only channels.
1220          */
1221         if (ch->other_count || !ch->combined_count ||
1222             (ch->rx_count && ch->tx_count))
1223                 return -EINVAL;
1224
1225         if (ch->combined_count > be_max_qp_irqs(adapter) ||
1226             (ch->rx_count &&
1227              (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1228             (ch->tx_count &&
1229              (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1230                 return -EINVAL;
1231
1232         adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1233         adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1234
1235         status = be_update_queues(adapter);
1236         return be_cmd_status(status);
1237 }
1238
1239 static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1240 {
1241         return RSS_INDIR_TABLE_LEN;
1242 }
1243
1244 static u32 be_get_rxfh_key_size(struct net_device *netdev)
1245 {
1246         return RSS_HASH_KEY_LEN;
1247 }
1248
1249 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1250                        u8 *hfunc)
1251 {
1252         struct be_adapter *adapter = netdev_priv(netdev);
1253         int i;
1254         struct rss_info *rss = &adapter->rss_info;
1255
1256         if (indir) {
1257                 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1258                         indir[i] = rss->rss_queue[i];
1259         }
1260
1261         if (hkey)
1262                 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1263
1264         if (hfunc)
1265                 *hfunc = ETH_RSS_HASH_TOP;
1266
1267         return 0;
1268 }
1269
1270 static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1271                        const u8 *hkey, const u8 hfunc)
1272 {
1273         int rc = 0, i, j;
1274         struct be_adapter *adapter = netdev_priv(netdev);
1275         u8 rsstable[RSS_INDIR_TABLE_LEN];
1276
1277         /* We do not allow change in unsupported parameters */
1278         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1279                 return -EOPNOTSUPP;
1280
1281         if (indir) {
1282                 struct be_rx_obj *rxo;
1283
1284                 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1285                         j = indir[i];
1286                         rxo = &adapter->rx_obj[j];
1287                         rsstable[i] = rxo->rss_id;
1288                         adapter->rss_info.rss_queue[i] = j;
1289                 }
1290         } else {
1291                 memcpy(rsstable, adapter->rss_info.rsstable,
1292                        RSS_INDIR_TABLE_LEN);
1293         }
1294
1295         if (!hkey)
1296                 hkey =  adapter->rss_info.rss_hkey;
1297
1298         rc = be_cmd_rss_config(adapter, rsstable,
1299                                adapter->rss_info.rss_flags,
1300                                RSS_INDIR_TABLE_LEN, hkey);
1301         if (rc) {
1302                 adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1303                 return -EIO;
1304         }
1305         memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1306         memcpy(adapter->rss_info.rsstable, rsstable,
1307                RSS_INDIR_TABLE_LEN);
1308         return 0;
1309 }
1310
1311 static int be_get_module_info(struct net_device *netdev,
1312                               struct ethtool_modinfo *modinfo)
1313 {
1314         struct be_adapter *adapter = netdev_priv(netdev);
1315         u8 page_data[PAGE_DATA_LEN];
1316         int status;
1317
1318         if (!check_privilege(adapter, MAX_PRIVILEGES))
1319                 return -EOPNOTSUPP;
1320
1321         status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1322                                                    page_data);
1323         if (!status) {
1324                 if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1325                         modinfo->type = ETH_MODULE_SFF_8079;
1326                         modinfo->eeprom_len = PAGE_DATA_LEN;
1327                 } else {
1328                         modinfo->type = ETH_MODULE_SFF_8472;
1329                         modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1330                 }
1331         }
1332         return be_cmd_status(status);
1333 }
1334
1335 static int be_get_module_eeprom(struct net_device *netdev,
1336                                 struct ethtool_eeprom *eeprom, u8 *data)
1337 {
1338         struct be_adapter *adapter = netdev_priv(netdev);
1339         int status;
1340
1341         if (!check_privilege(adapter, MAX_PRIVILEGES))
1342                 return -EOPNOTSUPP;
1343
1344         status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1345                                                    data);
1346         if (status)
1347                 goto err;
1348
1349         if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1350                 status = be_cmd_read_port_transceiver_data(adapter,
1351                                                            TR_PAGE_A2,
1352                                                            data +
1353                                                            PAGE_DATA_LEN);
1354                 if (status)
1355                         goto err;
1356         }
1357         if (eeprom->offset)
1358                 memcpy(data, data + eeprom->offset, eeprom->len);
1359 err:
1360         return be_cmd_status(status);
1361 }
1362
1363 const struct ethtool_ops be_ethtool_ops = {
1364         .get_settings = be_get_settings,
1365         .get_drvinfo = be_get_drvinfo,
1366         .get_wol = be_get_wol,
1367         .set_wol = be_set_wol,
1368         .get_link = ethtool_op_get_link,
1369         .get_eeprom_len = be_get_eeprom_len,
1370         .get_eeprom = be_read_eeprom,
1371         .get_coalesce = be_get_coalesce,
1372         .set_coalesce = be_set_coalesce,
1373         .get_ringparam = be_get_ringparam,
1374         .get_pauseparam = be_get_pauseparam,
1375         .set_pauseparam = be_set_pauseparam,
1376         .get_strings = be_get_stat_strings,
1377         .set_phys_id = be_set_phys_id,
1378         .set_dump = be_set_dump,
1379         .get_msglevel = be_get_msg_level,
1380         .set_msglevel = be_set_msg_level,
1381         .get_sset_count = be_get_sset_count,
1382         .get_ethtool_stats = be_get_ethtool_stats,
1383         .flash_device = be_do_flash,
1384         .self_test = be_self_test,
1385         .get_rxnfc = be_get_rxnfc,
1386         .set_rxnfc = be_set_rxnfc,
1387         .get_rxfh_indir_size = be_get_rxfh_indir_size,
1388         .get_rxfh_key_size = be_get_rxfh_key_size,
1389         .get_rxfh = be_get_rxfh,
1390         .set_rxfh = be_set_rxfh,
1391         .get_dump_flag = be_get_dump_flag,
1392         .get_dump_data = be_get_dump_data,
1393         .get_channels = be_get_channels,
1394         .set_channels = be_set_channels,
1395         .get_module_info = be_get_module_info,
1396         .get_module_eeprom = be_get_module_eeprom
1397 };