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

   1 /*
   2  * Copyright (C) 2005 - 2016 Broadcom
   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 const char be_priv_flags[][ETH_GSTRING_LEN] = {
 425         "disable-tpe-recovery"
 426 };
 427
 428 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 429                                 uint8_t *data)
 430 {
 431         struct be_adapter *adapter = netdev_priv(netdev);
 432         int i, j;
 433
 434         switch (stringset) {
 435         case ETH_SS_STATS:
 436                 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 437                         memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
 438                         data += ETH_GSTRING_LEN;
 439                 }
 440                 for (i = 0; i < adapter->num_rx_qs; i++) {
 441                         for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
 442                                 sprintf(data, "rxq%d: %s", i,
 443                                         et_rx_stats[j].desc);
 444                                 data += ETH_GSTRING_LEN;
 445                         }
 446                 }
 447                 for (i = 0; i < adapter->num_tx_qs; i++) {
 448                         for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
 449                                 sprintf(data, "txq%d: %s", i,
 450                                         et_tx_stats[j].desc);
 451                                 data += ETH_GSTRING_LEN;
 452                         }
 453                 }
 454                 break;
 455         case ETH_SS_TEST:
 456                 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
 457                         memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
 458                         data += ETH_GSTRING_LEN;
 459                 }
 460                 break;
 461         case ETH_SS_PRIV_FLAGS:
 462                 for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++)
 463                         strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]);
 464                 break;
 465         }
 466 }
 467
 468 static int be_get_sset_count(struct net_device *netdev, int stringset)
 469 {
 470         struct be_adapter *adapter = netdev_priv(netdev);
 471
 472         switch (stringset) {
 473         case ETH_SS_TEST:
 474                 return ETHTOOL_TESTS_NUM;
 475         case ETH_SS_STATS:
 476                 return ETHTOOL_STATS_NUM +
 477                         adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
 478                         adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
 479         case ETH_SS_PRIV_FLAGS:
 480                 return ARRAY_SIZE(be_priv_flags);
 481         default:
 482                 return -EINVAL;
 483         }
 484 }
 485
 486 static u32 be_get_port_type(struct be_adapter *adapter)
 487 {
 488         u32 port;
 489
 490         switch (adapter->phy.interface_type) {
 491         case PHY_TYPE_BASET_1GB:
 492         case PHY_TYPE_BASEX_1GB:
 493         case PHY_TYPE_SGMII:
 494                 port = PORT_TP;
 495                 break;
 496         case PHY_TYPE_SFP_PLUS_10GB:
 497                 if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
 498                         port = PORT_DA;
 499                 else
 500                         port = PORT_FIBRE;
 501                 break;
 502         case PHY_TYPE_QSFP:
 503                 if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
 504                         port = PORT_DA;
 505                 else
 506                         port = PORT_FIBRE;
 507                 break;
 508         case PHY_TYPE_XFP_10GB:
 509         case PHY_TYPE_SFP_1GB:
 510                 port = PORT_FIBRE;
 511                 break;
 512         case PHY_TYPE_BASET_10GB:
 513                 port = PORT_TP;
 514                 break;
 515         default:
 516                 port = PORT_OTHER;
 517         }
 518
 519         return port;
 520 }
 521
 522 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
 523 {
 524         u32 val = 0;
 525
 526         switch (adapter->phy.interface_type) {
 527         case PHY_TYPE_BASET_1GB:
 528         case PHY_TYPE_BASEX_1GB:
 529         case PHY_TYPE_SGMII:
 530                 val |= SUPPORTED_TP;
 531                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 532                         val |= SUPPORTED_1000baseT_Full;
 533                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 534                         val |= SUPPORTED_100baseT_Full;
 535                 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
 536                         val |= SUPPORTED_10baseT_Full;
 537                 break;
 538         case PHY_TYPE_KX4_10GB:
 539                 val |= SUPPORTED_Backplane;
 540                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 541                         val |= SUPPORTED_1000baseKX_Full;
 542                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 543                         val |= SUPPORTED_10000baseKX4_Full;
 544                 break;
 545         case PHY_TYPE_KR2_20GB:
 546                 val |= SUPPORTED_Backplane;
 547                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 548                         val |= SUPPORTED_10000baseKR_Full;
 549                 if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
 550                         val |= SUPPORTED_20000baseKR2_Full;
 551                 break;
 552         case PHY_TYPE_KR_10GB:
 553                 val |= SUPPORTED_Backplane |
 554                                 SUPPORTED_10000baseKR_Full;
 555                 break;
 556         case PHY_TYPE_KR4_40GB:
 557                 val |= SUPPORTED_Backplane;
 558                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 559                         val |= SUPPORTED_10000baseKR_Full;
 560                 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
 561                         val |= SUPPORTED_40000baseKR4_Full;
 562                 break;
 563         case PHY_TYPE_QSFP:
 564                 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
 565                         switch (adapter->phy.cable_type) {
 566                         case QSFP_PLUS_CR4_CABLE:
 567                                 val |= SUPPORTED_40000baseCR4_Full;
 568                                 break;
 569                         case QSFP_PLUS_LR4_CABLE:
 570                                 val |= SUPPORTED_40000baseLR4_Full;
 571                                 break;
 572                         default:
 573                                 val |= SUPPORTED_40000baseSR4_Full;
 574                                 break;
 575                         }
 576                 }
 577         case PHY_TYPE_SFP_PLUS_10GB:
 578         case PHY_TYPE_XFP_10GB:
 579         case PHY_TYPE_SFP_1GB:
 580                 val |= SUPPORTED_FIBRE;
 581                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 582                         val |= SUPPORTED_10000baseT_Full;
 583                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 584                         val |= SUPPORTED_1000baseT_Full;
 585                 break;
 586         case PHY_TYPE_BASET_10GB:
 587                 val |= SUPPORTED_TP;
 588                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 589                         val |= SUPPORTED_10000baseT_Full;
 590                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 591                         val |= SUPPORTED_1000baseT_Full;
 592                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 593                         val |= SUPPORTED_100baseT_Full;
 594                 break;
 595         default:
 596                 val |= SUPPORTED_TP;
 597         }
 598
 599         return val;
 600 }
 601
 602 bool be_pause_supported(struct be_adapter *adapter)
 603 {
 604         return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
 605                 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
 606                 false : true;
 607 }
 608
 609 static int be_get_link_ksettings(struct net_device *netdev,
 610                                  struct ethtool_link_ksettings *cmd)
 611 {
 612         struct be_adapter *adapter = netdev_priv(netdev);
 613         u8 link_status;
 614         u16 link_speed = 0;
 615         int status;
 616         u32 auto_speeds;
 617         u32 fixed_speeds;
 618         u32 supported = 0, advertising = 0;
 619
 620         if (adapter->phy.link_speed < 0) {
 621                 status = be_cmd_link_status_query(adapter, &link_speed,
 622                                                   &link_status, 0);
 623                 if (!status)
 624                         be_link_status_update(adapter, link_status);
 625                 cmd->base.speed = link_speed;
 626
 627                 status = be_cmd_get_phy_info(adapter);
 628                 if (!status) {
 629                         auto_speeds = adapter->phy.auto_speeds_supported;
 630                         fixed_speeds = adapter->phy.fixed_speeds_supported;
 631
 632                         be_cmd_query_cable_type(adapter);
 633
 634                         supported =
 635                                 convert_to_et_setting(adapter,
 636                                                       auto_speeds |
 637                                                       fixed_speeds);
 638                         advertising =
 639                                 convert_to_et_setting(adapter, auto_speeds);
 640
 641                         cmd->base.port = be_get_port_type(adapter);
 642
 643                         if (adapter->phy.auto_speeds_supported) {
 644                                 supported |= SUPPORTED_Autoneg;
 645                                 cmd->base.autoneg = AUTONEG_ENABLE;
 646                                 advertising |= ADVERTISED_Autoneg;
 647                         }
 648
 649                         supported |= SUPPORTED_Pause;
 650                         if (be_pause_supported(adapter))
 651                                 advertising |= ADVERTISED_Pause;
 652                 } else {
 653                         cmd->base.port = PORT_OTHER;
 654                         cmd->base.autoneg = AUTONEG_DISABLE;
 655                 }
 656
 657                 /* Save for future use */
 658                 adapter->phy.link_speed = cmd->base.speed;
 659                 adapter->phy.port_type = cmd->base.port;
 660                 adapter->phy.autoneg = cmd->base.autoneg;
 661                 adapter->phy.advertising = advertising;
 662                 adapter->phy.supported = supported;
 663         } else {
 664                 cmd->base.speed = adapter->phy.link_speed;
 665                 cmd->base.port = adapter->phy.port_type;
 666                 cmd->base.autoneg = adapter->phy.autoneg;
 667                 advertising = adapter->phy.advertising;
 668                 supported = adapter->phy.supported;
 669         }
 670
 671         cmd->base.duplex = netif_carrier_ok(netdev) ?
 672                 DUPLEX_FULL : DUPLEX_UNKNOWN;
 673         cmd->base.phy_address = adapter->port_num;
 674
 675         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 676                                                 supported);
 677         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 678                                                 advertising);
 679
 680         return 0;
 681 }
 682
 683 static void be_get_ringparam(struct net_device *netdev,
 684                              struct ethtool_ringparam *ring)
 685 {
 686         struct be_adapter *adapter = netdev_priv(netdev);
 687
 688         ring->rx_max_pending = adapter->rx_obj[0].q.len;
 689         ring->rx_pending = adapter->rx_obj[0].q.len;
 690         ring->tx_max_pending = adapter->tx_obj[0].q.len;
 691         ring->tx_pending = adapter->tx_obj[0].q.len;
 692 }
 693
 694 static void
 695 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 696 {
 697         struct be_adapter *adapter = netdev_priv(netdev);
 698
 699         be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
 700         ecmd->autoneg = adapter->phy.fc_autoneg;
 701 }
 702
 703 static int
 704 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 705 {
 706         struct be_adapter *adapter = netdev_priv(netdev);
 707         int status;
 708
 709         if (ecmd->autoneg != adapter->phy.fc_autoneg)
 710                 return -EINVAL;
 711
 712         status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
 713                                          ecmd->rx_pause);
 714         if (status) {
 715                 dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
 716                 return be_cmd_status(status);
 717         }
 718
 719         adapter->tx_fc = ecmd->tx_pause;
 720         adapter->rx_fc = ecmd->rx_pause;
 721         return 0;
 722 }
 723
 724 static int be_set_phys_id(struct net_device *netdev,
 725                           enum ethtool_phys_id_state state)
 726 {
 727         struct be_adapter *adapter = netdev_priv(netdev);
 728         int status = 0;
 729
 730         switch (state) {
 731         case ETHTOOL_ID_ACTIVE:
 732                 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
 733                                                  &adapter->beacon_state);
 734                 if (status)
 735                         return be_cmd_status(status);
 736                 return 1;       /* cycle on/off once per second */
 737
 738         case ETHTOOL_ID_ON:
 739                 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 740                                                  0, 0, BEACON_STATE_ENABLED);
 741                 break;
 742
 743         case ETHTOOL_ID_OFF:
 744                 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 745                                                  0, 0, BEACON_STATE_DISABLED);
 746                 break;
 747
 748         case ETHTOOL_ID_INACTIVE:
 749                 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 750                                                  0, 0, adapter->beacon_state);
 751         }
 752
 753         return be_cmd_status(status);
 754 }
 755
 756 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
 757 {
 758         struct be_adapter *adapter = netdev_priv(netdev);
 759         struct device *dev = &adapter->pdev->dev;
 760         int status;
 761
 762         if (!lancer_chip(adapter) ||
 763             !check_privilege(adapter, MAX_PRIVILEGES))
 764                 return -EOPNOTSUPP;
 765
 766         switch (dump->flag) {
 767         case LANCER_INITIATE_FW_DUMP:
 768                 status = lancer_initiate_dump(adapter);
 769                 if (!status)
 770                         dev_info(dev, "FW dump initiated successfully\n");
 771                 break;
 772         case LANCER_DELETE_FW_DUMP:
 773                 status = lancer_delete_dump(adapter);
 774                 if (!status)
 775                         dev_info(dev, "FW dump deleted successfully\n");
 776         break;
 777         default:
 778                 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
 779                 return -EINVAL;
 780         }
 781         return status;
 782 }
 783
 784 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 785 {
 786         struct be_adapter *adapter = netdev_priv(netdev);
 787
 788         if (adapter->wol_cap & BE_WOL_CAP) {
 789                 wol->supported |= WAKE_MAGIC;
 790                 if (adapter->wol_en)
 791                         wol->wolopts |= WAKE_MAGIC;
 792         } else {
 793                 wol->wolopts = 0;
 794         }
 795         memset(&wol->sopass, 0, sizeof(wol->sopass));
 796 }
 797
 798 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 799 {
 800         struct be_adapter *adapter = netdev_priv(netdev);
 801         struct device *dev = &adapter->pdev->dev;
 802         struct be_dma_mem cmd;
 803         u8 mac[ETH_ALEN];
 804         bool enable;
 805         int status;
 806
 807         if (wol->wolopts & ~WAKE_MAGIC)
 808                 return -EOPNOTSUPP;
 809
 810         if (!(adapter->wol_cap & BE_WOL_CAP)) {
 811                 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
 812                 return -EOPNOTSUPP;
 813         }
 814
 815         cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
 816         cmd.va = dma_zalloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
 817         if (!cmd.va)
 818                 return -ENOMEM;
 819
 820         eth_zero_addr(mac);
 821
 822         enable = wol->wolopts & WAKE_MAGIC;
 823         if (enable)
 824                 ether_addr_copy(mac, adapter->netdev->dev_addr);
 825
 826         status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
 827         if (status) {
 828                 dev_err(dev, "Could not set Wake-on-lan mac address\n");
 829                 status = be_cmd_status(status);
 830                 goto err;
 831         }
 832
 833         pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
 834         pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
 835
 836         adapter->wol_en = enable ? true : false;
 837
 838 err:
 839         dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
 840         return status;
 841 }
 842
 843 static int be_test_ddr_dma(struct be_adapter *adapter)
 844 {
 845         int ret, i;
 846         struct be_dma_mem ddrdma_cmd;
 847         static const u64 pattern[2] = {
 848                 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
 849         };
 850
 851         ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 852         ddrdma_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
 853                                             ddrdma_cmd.size, &ddrdma_cmd.dma,
 854                                             GFP_KERNEL);
 855         if (!ddrdma_cmd.va)
 856                 return -ENOMEM;
 857
 858         for (i = 0; i < 2; i++) {
 859                 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
 860                                           4096, &ddrdma_cmd);
 861                 if (ret != 0)
 862                         goto err;
 863         }
 864
 865 err:
 866         dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
 867                           ddrdma_cmd.dma);
 868         return be_cmd_status(ret);
 869 }
 870
 871 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
 872                             u64 *status)
 873 {
 874         int ret;
 875
 876         ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 877                                   loopback_type, 1);
 878         if (ret)
 879                 return ret;
 880
 881         *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
 882                                        loopback_type, 1500, 2, 0xabc);
 883
 884         ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 885                                   BE_NO_LOOPBACK, 1);
 886         if (ret)
 887                 return ret;
 888
 889         return *status;
 890 }
 891
 892 static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
 893                          u64 *data)
 894 {
 895         struct be_adapter *adapter = netdev_priv(netdev);
 896         int status;
 897         u8 link_status = 0;
 898
 899         if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
 900                 dev_err(&adapter->pdev->dev, "Self test not supported\n");
 901                 test->flags |= ETH_TEST_FL_FAILED;
 902                 return;
 903         }
 904
 905         memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
 906
 907         if (test->flags & ETH_TEST_FL_OFFLINE) {
 908                 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
 909                         test->flags |= ETH_TEST_FL_FAILED;
 910
 911                 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
 912                         test->flags |= ETH_TEST_FL_FAILED;
 913
 914                 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
 915                         if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
 916                                              &data[2]) != 0)
 917                                 test->flags |= ETH_TEST_FL_FAILED;
 918                         test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
 919                 }
 920         }
 921
 922         if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
 923                 data[3] = 1;
 924                 test->flags |= ETH_TEST_FL_FAILED;
 925         }
 926
 927         status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
 928         if (status) {
 929                 test->flags |= ETH_TEST_FL_FAILED;
 930                 data[4] = -1;
 931         } else if (!link_status) {
 932                 test->flags |= ETH_TEST_FL_FAILED;
 933                 data[4] = 1;
 934         }
 935 }
 936
 937 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 938 {
 939         struct be_adapter *adapter = netdev_priv(netdev);
 940
 941         return be_load_fw(adapter, efl->data);
 942 }
 943
 944 static int
 945 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
 946 {
 947         struct be_adapter *adapter = netdev_priv(netdev);
 948
 949         if (!check_privilege(adapter, MAX_PRIVILEGES))
 950                 return -EOPNOTSUPP;
 951
 952         dump->len = be_get_dump_len(adapter);
 953         dump->version = 1;
 954         dump->flag = 0x1;       /* FW dump is enabled */
 955         return 0;
 956 }
 957
 958 static int
 959 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
 960                  void *buf)
 961 {
 962         struct be_adapter *adapter = netdev_priv(netdev);
 963         int status;
 964
 965         if (!check_privilege(adapter, MAX_PRIVILEGES))
 966                 return -EOPNOTSUPP;
 967
 968         status = be_read_dump_data(adapter, dump->len, buf);
 969         return be_cmd_status(status);
 970 }
 971
 972 static int be_get_eeprom_len(struct net_device *netdev)
 973 {
 974         struct be_adapter *adapter = netdev_priv(netdev);
 975
 976         if (!check_privilege(adapter, MAX_PRIVILEGES))
 977                 return 0;
 978
 979         if (lancer_chip(adapter)) {
 980                 if (be_physfn(adapter))
 981                         return lancer_cmd_get_file_len(adapter,
 982                                                        LANCER_VPD_PF_FILE);
 983                 else
 984                         return lancer_cmd_get_file_len(adapter,
 985                                                        LANCER_VPD_VF_FILE);
 986         } else {
 987                 return BE_READ_SEEPROM_LEN;
 988         }
 989 }
 990
 991 static int be_read_eeprom(struct net_device *netdev,
 992                           struct ethtool_eeprom *eeprom, uint8_t *data)
 993 {
 994         struct be_adapter *adapter = netdev_priv(netdev);
 995         struct be_dma_mem eeprom_cmd;
 996         struct be_cmd_resp_seeprom_read *resp;
 997         int status;
 998
 999         if (!eeprom->len)
1000                 return -EINVAL;
1001
1002         if (lancer_chip(adapter)) {
1003                 if (be_physfn(adapter))
1004                         return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1005                                                     eeprom->len, data);
1006                 else
1007                         return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1008                                                     eeprom->len, data);
1009         }
1010
1011         eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1012
1013         memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1014         eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1015         eeprom_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
1016                                             eeprom_cmd.size, &eeprom_cmd.dma,
1017                                             GFP_KERNEL);
1018
1019         if (!eeprom_cmd.va)
1020                 return -ENOMEM;
1021
1022         status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1023
1024         if (!status) {
1025                 resp = eeprom_cmd.va;
1026                 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1027         }
1028         dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1029                           eeprom_cmd.dma);
1030
1031         return be_cmd_status(status);
1032 }
1033
1034 static u32 be_get_msg_level(struct net_device *netdev)
1035 {
1036         struct be_adapter *adapter = netdev_priv(netdev);
1037
1038         return adapter->msg_enable;
1039 }
1040
1041 static void be_set_msg_level(struct net_device *netdev, u32 level)
1042 {
1043         struct be_adapter *adapter = netdev_priv(netdev);
1044
1045         if (adapter->msg_enable == level)
1046                 return;
1047
1048         if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1049                 if (BEx_chip(adapter))
1050                         be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1051                                                 FW_LOG_LEVEL_DEFAULT :
1052                                                 FW_LOG_LEVEL_FATAL);
1053         adapter->msg_enable = level;
1054 }
1055
1056 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1057 {
1058         u64 data = 0;
1059
1060         switch (flow_type) {
1061         case TCP_V4_FLOW:
1062                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1063                         data |= RXH_IP_DST | RXH_IP_SRC;
1064                 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1065                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1066                 break;
1067         case UDP_V4_FLOW:
1068                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1069                         data |= RXH_IP_DST | RXH_IP_SRC;
1070                 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1071                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1072                 break;
1073         case TCP_V6_FLOW:
1074                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1075                         data |= RXH_IP_DST | RXH_IP_SRC;
1076                 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1077                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1078                 break;
1079         case UDP_V6_FLOW:
1080                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1081                         data |= RXH_IP_DST | RXH_IP_SRC;
1082                 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1083                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1084                 break;
1085         }
1086
1087         return data;
1088 }
1089
1090 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1091                         u32 *rule_locs)
1092 {
1093         struct be_adapter *adapter = netdev_priv(netdev);
1094
1095         if (!be_multi_rxq(adapter)) {
1096                 dev_info(&adapter->pdev->dev,
1097                          "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1098                 return -EINVAL;
1099         }
1100
1101         switch (cmd->cmd) {
1102         case ETHTOOL_GRXFH:
1103                 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1104                 break;
1105         case ETHTOOL_GRXRINGS:
1106                 cmd->data = adapter->num_rx_qs - 1;
1107                 break;
1108         default:
1109                 return -EINVAL;
1110         }
1111
1112         return 0;
1113 }
1114
1115 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1116                                 struct ethtool_rxnfc *cmd)
1117 {
1118         int status;
1119         u32 rss_flags = adapter->rss_info.rss_flags;
1120
1121         if (cmd->data != L3_RSS_FLAGS &&
1122             cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1123                 return -EINVAL;
1124
1125         switch (cmd->flow_type) {
1126         case TCP_V4_FLOW:
1127                 if (cmd->data == L3_RSS_FLAGS)
1128                         rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1129                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1130                         rss_flags |= RSS_ENABLE_IPV4 |
1131                                         RSS_ENABLE_TCP_IPV4;
1132                 break;
1133         case TCP_V6_FLOW:
1134                 if (cmd->data == L3_RSS_FLAGS)
1135                         rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1136                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1137                         rss_flags |= RSS_ENABLE_IPV6 |
1138                                         RSS_ENABLE_TCP_IPV6;
1139                 break;
1140         case UDP_V4_FLOW:
1141                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1142                     BEx_chip(adapter))
1143                         return -EINVAL;
1144
1145                 if (cmd->data == L3_RSS_FLAGS)
1146                         rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1147                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1148                         rss_flags |= RSS_ENABLE_IPV4 |
1149                                         RSS_ENABLE_UDP_IPV4;
1150                 break;
1151         case UDP_V6_FLOW:
1152                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1153                     BEx_chip(adapter))
1154                         return -EINVAL;
1155
1156                 if (cmd->data == L3_RSS_FLAGS)
1157                         rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1158                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1159                         rss_flags |= RSS_ENABLE_IPV6 |
1160                                         RSS_ENABLE_UDP_IPV6;
1161                 break;
1162         default:
1163                 return -EINVAL;
1164         }
1165
1166         if (rss_flags == adapter->rss_info.rss_flags)
1167                 return 0;
1168
1169         status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1170                                    rss_flags, RSS_INDIR_TABLE_LEN,
1171                                    adapter->rss_info.rss_hkey);
1172         if (!status)
1173                 adapter->rss_info.rss_flags = rss_flags;
1174
1175         return be_cmd_status(status);
1176 }
1177
1178 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1179 {
1180         struct be_adapter *adapter = netdev_priv(netdev);
1181         int status = 0;
1182
1183         if (!be_multi_rxq(adapter)) {
1184                 dev_err(&adapter->pdev->dev,
1185                         "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1186                 return -EINVAL;
1187         }
1188
1189         switch (cmd->cmd) {
1190         case ETHTOOL_SRXFH:
1191                 status = be_set_rss_hash_opts(adapter, cmd);
1192                 break;
1193         default:
1194                 return -EINVAL;
1195         }
1196
1197         return status;
1198 }
1199
1200 static void be_get_channels(struct net_device *netdev,
1201                             struct ethtool_channels *ch)
1202 {
1203         struct be_adapter *adapter = netdev_priv(netdev);
1204         u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1205
1206         /* num_tx_qs is always same as the number of irqs used for TX */
1207         ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1208         ch->rx_count = num_rx_irqs - ch->combined_count;
1209         ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1210
1211         ch->max_combined = be_max_qp_irqs(adapter);
1212         /* The user must create atleast one combined channel */
1213         ch->max_rx = be_max_rx_irqs(adapter) - 1;
1214         ch->max_tx = be_max_tx_irqs(adapter) - 1;
1215 }
1216
1217 static int be_set_channels(struct net_device  *netdev,
1218                            struct ethtool_channels *ch)
1219 {
1220         struct be_adapter *adapter = netdev_priv(netdev);
1221         int status;
1222
1223         /* we support either only combined channels or a combination of
1224          * combined and either RX-only or TX-only channels.
1225          */
1226         if (ch->other_count || !ch->combined_count ||
1227             (ch->rx_count && ch->tx_count))
1228                 return -EINVAL;
1229
1230         if (ch->combined_count > be_max_qp_irqs(adapter) ||
1231             (ch->rx_count &&
1232              (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1233             (ch->tx_count &&
1234              (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1235                 return -EINVAL;
1236
1237         adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1238         adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1239
1240         status = be_update_queues(adapter);
1241         return be_cmd_status(status);
1242 }
1243
1244 static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1245 {
1246         return RSS_INDIR_TABLE_LEN;
1247 }
1248
1249 static u32 be_get_rxfh_key_size(struct net_device *netdev)
1250 {
1251         return RSS_HASH_KEY_LEN;
1252 }
1253
1254 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1255                        u8 *hfunc)
1256 {
1257         struct be_adapter *adapter = netdev_priv(netdev);
1258         int i;
1259         struct rss_info *rss = &adapter->rss_info;
1260
1261         if (indir) {
1262                 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1263                         indir[i] = rss->rss_queue[i];
1264         }
1265
1266         if (hkey)
1267                 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1268
1269         if (hfunc)
1270                 *hfunc = ETH_RSS_HASH_TOP;
1271
1272         return 0;
1273 }
1274
1275 static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1276                        const u8 *hkey, const u8 hfunc)
1277 {
1278         int rc = 0, i, j;
1279         struct be_adapter *adapter = netdev_priv(netdev);
1280         u8 rsstable[RSS_INDIR_TABLE_LEN];
1281
1282         /* We do not allow change in unsupported parameters */
1283         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1284                 return -EOPNOTSUPP;
1285
1286         if (indir) {
1287                 struct be_rx_obj *rxo;
1288
1289                 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1290                         j = indir[i];
1291                         rxo = &adapter->rx_obj[j];
1292                         rsstable[i] = rxo->rss_id;
1293                         adapter->rss_info.rss_queue[i] = j;
1294                 }
1295         } else {
1296                 memcpy(rsstable, adapter->rss_info.rsstable,
1297                        RSS_INDIR_TABLE_LEN);
1298         }
1299
1300         if (!hkey)
1301                 hkey =  adapter->rss_info.rss_hkey;
1302
1303         rc = be_cmd_rss_config(adapter, rsstable,
1304                                adapter->rss_info.rss_flags,
1305                                RSS_INDIR_TABLE_LEN, hkey);
1306         if (rc) {
1307                 adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1308                 return -EIO;
1309         }
1310         memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1311         memcpy(adapter->rss_info.rsstable, rsstable,
1312                RSS_INDIR_TABLE_LEN);
1313         return 0;
1314 }
1315
1316 static int be_get_module_info(struct net_device *netdev,
1317                               struct ethtool_modinfo *modinfo)
1318 {
1319         struct be_adapter *adapter = netdev_priv(netdev);
1320         u8 page_data[PAGE_DATA_LEN];
1321         int status;
1322
1323         if (!check_privilege(adapter, MAX_PRIVILEGES))
1324                 return -EOPNOTSUPP;
1325
1326         status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1327                                                    page_data);
1328         if (!status) {
1329                 if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1330                         modinfo->type = ETH_MODULE_SFF_8079;
1331                         modinfo->eeprom_len = PAGE_DATA_LEN;
1332                 } else {
1333                         modinfo->type = ETH_MODULE_SFF_8472;
1334                         modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1335                 }
1336         }
1337         return be_cmd_status(status);
1338 }
1339
1340 static int be_get_module_eeprom(struct net_device *netdev,
1341                                 struct ethtool_eeprom *eeprom, u8 *data)
1342 {
1343         struct be_adapter *adapter = netdev_priv(netdev);
1344         int status;
1345
1346         if (!check_privilege(adapter, MAX_PRIVILEGES))
1347                 return -EOPNOTSUPP;
1348
1349         status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1350                                                    data);
1351         if (status)
1352                 goto err;
1353
1354         if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1355                 status = be_cmd_read_port_transceiver_data(adapter,
1356                                                            TR_PAGE_A2,
1357                                                            data +
1358                                                            PAGE_DATA_LEN);
1359                 if (status)
1360                         goto err;
1361         }
1362         if (eeprom->offset)
1363                 memcpy(data, data + eeprom->offset, eeprom->len);
1364 err:
1365         return be_cmd_status(status);
1366 }
1367
1368 static u32 be_get_priv_flags(struct net_device *netdev)
1369 {
1370         struct be_adapter *adapter = netdev_priv(netdev);
1371
1372         return adapter->priv_flags;
1373 }
1374
1375 static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1376 {
1377         struct be_adapter *adapter = netdev_priv(netdev);
1378         bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1379         bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1380
1381         if (tpe_old != tpe_new) {
1382                 if (tpe_new) {
1383                         adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1384                         dev_info(&adapter->pdev->dev,
1385                                  "HW error recovery is disabled\n");
1386                 } else {
1387                         adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1388                         dev_info(&adapter->pdev->dev,
1389                                  "HW error recovery is enabled\n");
1390                 }
1391         }
1392
1393         return 0;
1394 }
1395
1396 const struct ethtool_ops be_ethtool_ops = {
1397         .get_drvinfo = be_get_drvinfo,
1398         .get_wol = be_get_wol,
1399         .set_wol = be_set_wol,
1400         .get_link = ethtool_op_get_link,
1401         .get_eeprom_len = be_get_eeprom_len,
1402         .get_eeprom = be_read_eeprom,
1403         .get_coalesce = be_get_coalesce,
1404         .set_coalesce = be_set_coalesce,
1405         .get_ringparam = be_get_ringparam,
1406         .get_pauseparam = be_get_pauseparam,
1407         .set_pauseparam = be_set_pauseparam,
1408         .set_priv_flags = be_set_priv_flags,
1409         .get_priv_flags = be_get_priv_flags,
1410         .get_strings = be_get_stat_strings,
1411         .set_phys_id = be_set_phys_id,
1412         .set_dump = be_set_dump,
1413         .get_msglevel = be_get_msg_level,
1414         .set_msglevel = be_set_msg_level,
1415         .get_sset_count = be_get_sset_count,
1416         .get_ethtool_stats = be_get_ethtool_stats,
1417         .flash_device = be_do_flash,
1418         .self_test = be_self_test,
1419         .get_rxnfc = be_get_rxnfc,
1420         .set_rxnfc = be_set_rxnfc,
1421         .get_rxfh_indir_size = be_get_rxfh_indir_size,
1422         .get_rxfh_key_size = be_get_rxfh_key_size,
1423         .get_rxfh = be_get_rxfh,
1424         .set_rxfh = be_set_rxfh,
1425         .get_dump_flag = be_get_dump_flag,
1426         .get_dump_data = be_get_dump_data,
1427         .get_channels = be_get_channels,
1428         .set_channels = be_set_channels,
1429         .get_module_info = be_get_module_info,
1430         .get_module_eeprom = be_get_module_eeprom,
1431         .get_link_ksettings = be_get_link_ksettings,
1432 };