linux/drivers/net/ethernet/emulex/benet/be_ethtool.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (C) 2005 - 2016 Broadcom
   4 * All rights reserved.
   5 *
   6 * Contact Information:
   7 * linux-drivers@emulex.com
   8 *
   9 * Emulex
  10 * 3333 Susan Street
  11 * Costa Mesa, CA 92626
  12 */
  13
  14#include "be.h"
  15#include "be_cmds.h"
  16#include <linux/ethtool.h>
  17
  18struct be_ethtool_stat {
  19        char desc[ETH_GSTRING_LEN];
  20        int type;
  21        int size;
  22        int offset;
  23};
  24
  25enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
  26#define FIELDINFO(_struct, field) sizeof_field(_struct, field), \
  27                                        offsetof(_struct, field)
  28#define DRVSTAT_TX_INFO(field)  #field, DRVSTAT_TX,\
  29                                        FIELDINFO(struct be_tx_stats, field)
  30#define DRVSTAT_RX_INFO(field)  #field, DRVSTAT_RX,\
  31                                        FIELDINFO(struct be_rx_stats, field)
  32#define DRVSTAT_INFO(field)     #field, DRVSTAT,\
  33                                        FIELDINFO(struct be_drv_stats, field)
  34
  35static const struct be_ethtool_stat et_stats[] = {
  36        {DRVSTAT_INFO(rx_crc_errors)},
  37        {DRVSTAT_INFO(rx_alignment_symbol_errors)},
  38        {DRVSTAT_INFO(rx_pause_frames)},
  39        {DRVSTAT_INFO(rx_control_frames)},
  40        /* Received packets dropped when the Ethernet length field
  41         * is not equal to the actual Ethernet data length.
  42         */
  43        {DRVSTAT_INFO(rx_in_range_errors)},
  44        /* Received packets dropped when their length field is >= 1501 bytes
  45         * and <= 1535 bytes.
  46         */
  47        {DRVSTAT_INFO(rx_out_range_errors)},
  48        /* Received packets dropped when they are longer than 9216 bytes */
  49        {DRVSTAT_INFO(rx_frame_too_long)},
  50        /* Received packets dropped when they don't pass the unicast or
  51         * multicast address filtering.
  52         */
  53        {DRVSTAT_INFO(rx_address_filtered)},
  54        /* Received packets dropped when IP packet length field is less than
  55         * the IP header length field.
  56         */
  57        {DRVSTAT_INFO(rx_dropped_too_small)},
  58        /* Received packets dropped when IP length field is greater than
  59         * the actual packet length.
  60         */
  61        {DRVSTAT_INFO(rx_dropped_too_short)},
  62        /* Received packets dropped when the IP header length field is less
  63         * than 5.
  64         */
  65        {DRVSTAT_INFO(rx_dropped_header_too_small)},
  66        /* Received packets dropped when the TCP header length field is less
  67         * than 5 or the TCP header length + IP header length is more
  68         * than IP packet length.
  69         */
  70        {DRVSTAT_INFO(rx_dropped_tcp_length)},
  71        {DRVSTAT_INFO(rx_dropped_runt)},
  72        /* Number of received packets dropped when a fifo for descriptors going
  73         * into the packet demux block overflows. In normal operation, this
  74         * fifo must never overflow.
  75         */
  76        {DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
  77        /* Received packets dropped when the RX block runs out of space in
  78         * one of its input FIFOs. This could happen due a long burst of
  79         * minimum-sized (64b) frames in the receive path.
  80         * This counter may also be erroneously incremented rarely.
  81         */
  82        {DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
  83        {DRVSTAT_INFO(rx_ip_checksum_errs)},
  84        {DRVSTAT_INFO(rx_tcp_checksum_errs)},
  85        {DRVSTAT_INFO(rx_udp_checksum_errs)},
  86        {DRVSTAT_INFO(tx_pauseframes)},
  87        {DRVSTAT_INFO(tx_controlframes)},
  88        {DRVSTAT_INFO(rx_priority_pause_frames)},
  89        {DRVSTAT_INFO(tx_priority_pauseframes)},
  90        /* Received packets dropped when an internal fifo going into
  91         * main packet buffer tank (PMEM) overflows.
  92         */
  93        {DRVSTAT_INFO(pmem_fifo_overflow_drop)},
  94        {DRVSTAT_INFO(jabber_events)},
  95        /* Received packets dropped due to lack of available HW packet buffers
  96         * used to temporarily hold the received packets.
  97         */
  98        {DRVSTAT_INFO(rx_drops_no_pbuf)},
  99        /* Received packets dropped due to input receive buffer
 100         * descriptor fifo overflowing.
 101         */
 102        {DRVSTAT_INFO(rx_drops_no_erx_descr)},
 103        /* Packets dropped because the internal FIFO to the offloaded TCP
 104         * receive processing block is full. This could happen only for
 105         * offloaded iSCSI or FCoE trarffic.
 106         */
 107        {DRVSTAT_INFO(rx_drops_no_tpre_descr)},
 108        /* Received packets dropped when they need more than 8
 109         * receive buffers. This cannot happen as the driver configures
 110         * 2048 byte receive buffers.
 111         */
 112        {DRVSTAT_INFO(rx_drops_too_many_frags)},
 113        {DRVSTAT_INFO(forwarded_packets)},
 114        /* Received packets dropped when the frame length
 115         * is more than 9018 bytes
 116         */
 117        {DRVSTAT_INFO(rx_drops_mtu)},
 118        /* Number of dma mapping errors */
 119        {DRVSTAT_INFO(dma_map_errors)},
 120        /* Number of packets dropped due to random early drop function */
 121        {DRVSTAT_INFO(eth_red_drops)},
 122        {DRVSTAT_INFO(rx_roce_bytes_lsd)},
 123        {DRVSTAT_INFO(rx_roce_bytes_msd)},
 124        {DRVSTAT_INFO(rx_roce_frames)},
 125        {DRVSTAT_INFO(roce_drops_payload_len)},
 126        {DRVSTAT_INFO(roce_drops_crc)}
 127};
 128
 129#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
 130
 131/* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
 132 * are first and second members respectively.
 133 */
 134static const struct be_ethtool_stat et_rx_stats[] = {
 135        {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
 136        {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
 137        {DRVSTAT_RX_INFO(rx_vxlan_offload_pkts)},
 138        {DRVSTAT_RX_INFO(rx_compl)},
 139        {DRVSTAT_RX_INFO(rx_compl_err)},
 140        {DRVSTAT_RX_INFO(rx_mcast_pkts)},
 141        /* Number of page allocation failures while posting receive buffers
 142         * to HW.
 143         */
 144        {DRVSTAT_RX_INFO(rx_post_fail)},
 145        /* Recevied packets dropped due to skb allocation failure */
 146        {DRVSTAT_RX_INFO(rx_drops_no_skbs)},
 147        /* Received packets dropped due to lack of available fetched buffers
 148         * posted by the driver.
 149         */
 150        {DRVSTAT_RX_INFO(rx_drops_no_frags)}
 151};
 152
 153#define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
 154
 155/* Stats related to multi TX queues: get_stats routine assumes compl is the
 156 * first member
 157 */
 158static const struct be_ethtool_stat et_tx_stats[] = {
 159        {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
 160        /* This counter is incremented when the HW encounters an error while
 161         * parsing the packet header of an outgoing TX request. This counter is
 162         * applicable only for BE2, BE3 and Skyhawk based adapters.
 163         */
 164        {DRVSTAT_TX_INFO(tx_hdr_parse_err)},
 165        /* This counter is incremented when an error occurs in the DMA
 166         * operation associated with the TX request from the host to the device.
 167         */
 168        {DRVSTAT_TX_INFO(tx_dma_err)},
 169        /* This counter is incremented when MAC or VLAN spoof checking is
 170         * enabled on the interface and the TX request fails the spoof check
 171         * in HW.
 172         */
 173        {DRVSTAT_TX_INFO(tx_spoof_check_err)},
 174        /* This counter is incremented when the HW encounters an error while
 175         * performing TSO offload. This counter is applicable only for Lancer
 176         * adapters.
 177         */
 178        {DRVSTAT_TX_INFO(tx_tso_err)},
 179        /* This counter is incremented when the HW detects Q-in-Q style VLAN
 180         * tagging in a packet and such tagging is not expected on the outgoing
 181         * interface. This counter is applicable only for Lancer adapters.
 182         */
 183        {DRVSTAT_TX_INFO(tx_qinq_err)},
 184        /* This counter is incremented when the HW detects parity errors in the
 185         * packet data. This counter is applicable only for Lancer adapters.
 186         */
 187        {DRVSTAT_TX_INFO(tx_internal_parity_err)},
 188        {DRVSTAT_TX_INFO(tx_sge_err)},
 189        {DRVSTAT_TX_INFO(tx_bytes)},
 190        {DRVSTAT_TX_INFO(tx_pkts)},
 191        {DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)},
 192        /* Number of skbs queued for trasmission by the driver */
 193        {DRVSTAT_TX_INFO(tx_reqs)},
 194        /* Number of times the TX queue was stopped due to lack
 195         * of spaces in the TXQ.
 196         */
 197        {DRVSTAT_TX_INFO(tx_stops)},
 198        /* Pkts dropped in the driver's transmit path */
 199        {DRVSTAT_TX_INFO(tx_drv_drops)}
 200};
 201
 202#define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
 203
 204static const char et_self_tests[][ETH_GSTRING_LEN] = {
 205        "MAC Loopback test",
 206        "PHY Loopback test",
 207        "External Loopback test",
 208        "DDR DMA test",
 209        "Link test"
 210};
 211
 212#define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
 213#define BE_MAC_LOOPBACK 0x0
 214#define BE_PHY_LOOPBACK 0x1
 215#define BE_ONE_PORT_EXT_LOOPBACK 0x2
 216#define BE_NO_LOOPBACK 0xff
 217
 218static void be_get_drvinfo(struct net_device *netdev,
 219                           struct ethtool_drvinfo *drvinfo)
 220{
 221        struct be_adapter *adapter = netdev_priv(netdev);
 222
 223        strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
 224        if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
 225                strlcpy(drvinfo->fw_version, adapter->fw_ver,
 226                        sizeof(drvinfo->fw_version));
 227        else
 228                snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 229                         "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
 230
 231        strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 232                sizeof(drvinfo->bus_info));
 233}
 234
 235static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
 236{
 237        u32 data_read = 0, eof;
 238        u8 addn_status;
 239        struct be_dma_mem data_len_cmd;
 240
 241        memset(&data_len_cmd, 0, sizeof(data_len_cmd));
 242        /* data_offset and data_size should be 0 to get reg len */
 243        lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name,
 244                               &data_read, &eof, &addn_status);
 245
 246        return data_read;
 247}
 248
 249static int be_get_dump_len(struct be_adapter *adapter)
 250{
 251        u32 dump_size = 0;
 252
 253        if (lancer_chip(adapter))
 254                dump_size = lancer_cmd_get_file_len(adapter,
 255                                                    LANCER_FW_DUMP_FILE);
 256        else
 257                dump_size = adapter->fat_dump_len;
 258
 259        return dump_size;
 260}
 261
 262static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
 263                                u32 buf_len, void *buf)
 264{
 265        struct be_dma_mem read_cmd;
 266        u32 read_len = 0, total_read_len = 0, chunk_size;
 267        u32 eof = 0;
 268        u8 addn_status;
 269        int status = 0;
 270
 271        read_cmd.size = LANCER_READ_FILE_CHUNK;
 272        read_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, read_cmd.size,
 273                                         &read_cmd.dma, GFP_ATOMIC);
 274
 275        if (!read_cmd.va) {
 276                dev_err(&adapter->pdev->dev,
 277                        "Memory allocation failure while reading dump\n");
 278                return -ENOMEM;
 279        }
 280
 281        while ((total_read_len < buf_len) && !eof) {
 282                chunk_size = min_t(u32, (buf_len - total_read_len),
 283                                   LANCER_READ_FILE_CHUNK);
 284                chunk_size = ALIGN(chunk_size, 4);
 285                status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
 286                                                total_read_len, file_name,
 287                                                &read_len, &eof, &addn_status);
 288                if (!status) {
 289                        memcpy(buf + total_read_len, read_cmd.va, read_len);
 290                        total_read_len += read_len;
 291                        eof &= LANCER_READ_FILE_EOF_MASK;
 292                } else {
 293                        status = -EIO;
 294                        break;
 295                }
 296        }
 297        dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va,
 298                          read_cmd.dma);
 299
 300        return status;
 301}
 302
 303static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len,
 304                             void *buf)
 305{
 306        int status = 0;
 307
 308        if (lancer_chip(adapter))
 309                status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
 310                                              dump_len, buf);
 311        else
 312                status = be_cmd_get_fat_dump(adapter, dump_len, buf);
 313
 314        return status;
 315}
 316
 317static int be_get_coalesce(struct net_device *netdev,
 318                           struct ethtool_coalesce *et)
 319{
 320        struct be_adapter *adapter = netdev_priv(netdev);
 321        struct be_aic_obj *aic = &adapter->aic_obj[0];
 322
 323        et->rx_coalesce_usecs = aic->prev_eqd;
 324        et->rx_coalesce_usecs_high = aic->max_eqd;
 325        et->rx_coalesce_usecs_low = aic->min_eqd;
 326
 327        et->tx_coalesce_usecs = aic->prev_eqd;
 328        et->tx_coalesce_usecs_high = aic->max_eqd;
 329        et->tx_coalesce_usecs_low = aic->min_eqd;
 330
 331        et->use_adaptive_rx_coalesce = adapter->aic_enabled;
 332        et->use_adaptive_tx_coalesce = adapter->aic_enabled;
 333
 334        return 0;
 335}
 336
 337/* TX attributes are ignored. Only RX attributes are considered
 338 * eqd cmd is issued in the worker thread.
 339 */
 340static int be_set_coalesce(struct net_device *netdev,
 341                           struct ethtool_coalesce *et)
 342{
 343        struct be_adapter *adapter = netdev_priv(netdev);
 344        struct be_aic_obj *aic = &adapter->aic_obj[0];
 345        struct be_eq_obj *eqo;
 346        int i;
 347
 348        adapter->aic_enabled = et->use_adaptive_rx_coalesce;
 349
 350        for_all_evt_queues(adapter, eqo, i) {
 351                aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
 352                aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
 353                aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
 354                aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
 355                aic++;
 356        }
 357
 358        /* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled.
 359         * When AIC is disabled, persistently force set EQD value via the
 360         * FW cmd, so that we don't have to calculate the delay multiplier
 361         * encode value each time EQ_DB is rung
 362         */
 363        if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter))
 364                be_eqd_update(adapter, true);
 365
 366        return 0;
 367}
 368
 369static void be_get_ethtool_stats(struct net_device *netdev,
 370                                 struct ethtool_stats *stats, uint64_t *data)
 371{
 372        struct be_adapter *adapter = netdev_priv(netdev);
 373        struct be_rx_obj *rxo;
 374        struct be_tx_obj *txo;
 375        void *p;
 376        unsigned int i, j, base = 0, start;
 377
 378        for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 379                p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
 380                data[i] = *(u32 *)p;
 381        }
 382        base += ETHTOOL_STATS_NUM;
 383
 384        for_all_rx_queues(adapter, rxo, j) {
 385                struct be_rx_stats *stats = rx_stats(rxo);
 386
 387                do {
 388                        start = u64_stats_fetch_begin_irq(&stats->sync);
 389                        data[base] = stats->rx_bytes;
 390                        data[base + 1] = stats->rx_pkts;
 391                } while (u64_stats_fetch_retry_irq(&stats->sync, start));
 392
 393                for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
 394                        p = (u8 *)stats + et_rx_stats[i].offset;
 395                        data[base + i] = *(u32 *)p;
 396                }
 397                base += ETHTOOL_RXSTATS_NUM;
 398        }
 399
 400        for_all_tx_queues(adapter, txo, j) {
 401                struct be_tx_stats *stats = tx_stats(txo);
 402
 403                do {
 404                        start = u64_stats_fetch_begin_irq(&stats->sync_compl);
 405                        data[base] = stats->tx_compl;
 406                } while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
 407
 408                do {
 409                        start = u64_stats_fetch_begin_irq(&stats->sync);
 410                        for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
 411                                p = (u8 *)stats + et_tx_stats[i].offset;
 412                                data[base + i] =
 413                                        (et_tx_stats[i].size == sizeof(u64)) ?
 414                                                *(u64 *)p : *(u32 *)p;
 415                        }
 416                } while (u64_stats_fetch_retry_irq(&stats->sync, start));
 417                base += ETHTOOL_TXSTATS_NUM;
 418        }
 419}
 420
 421static const char be_priv_flags[][ETH_GSTRING_LEN] = {
 422        "disable-tpe-recovery"
 423};
 424
 425static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 426                                uint8_t *data)
 427{
 428        struct be_adapter *adapter = netdev_priv(netdev);
 429        int i, j;
 430
 431        switch (stringset) {
 432        case ETH_SS_STATS:
 433                for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 434                        memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
 435                        data += ETH_GSTRING_LEN;
 436                }
 437                for (i = 0; i < adapter->num_rx_qs; i++) {
 438                        for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
 439                                sprintf(data, "rxq%d: %s", i,
 440                                        et_rx_stats[j].desc);
 441                                data += ETH_GSTRING_LEN;
 442                        }
 443                }
 444                for (i = 0; i < adapter->num_tx_qs; i++) {
 445                        for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
 446                                sprintf(data, "txq%d: %s", i,
 447                                        et_tx_stats[j].desc);
 448                                data += ETH_GSTRING_LEN;
 449                        }
 450                }
 451                break;
 452        case ETH_SS_TEST:
 453                for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
 454                        memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
 455                        data += ETH_GSTRING_LEN;
 456                }
 457                break;
 458        case ETH_SS_PRIV_FLAGS:
 459                for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++)
 460                        strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]);
 461                break;
 462        }
 463}
 464
 465static int be_get_sset_count(struct net_device *netdev, int stringset)
 466{
 467        struct be_adapter *adapter = netdev_priv(netdev);
 468
 469        switch (stringset) {
 470        case ETH_SS_TEST:
 471                return ETHTOOL_TESTS_NUM;
 472        case ETH_SS_STATS:
 473                return ETHTOOL_STATS_NUM +
 474                        adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
 475                        adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
 476        case ETH_SS_PRIV_FLAGS:
 477                return ARRAY_SIZE(be_priv_flags);
 478        default:
 479                return -EINVAL;
 480        }
 481}
 482
 483static u32 be_get_port_type(struct be_adapter *adapter)
 484{
 485        u32 port;
 486
 487        switch (adapter->phy.interface_type) {
 488        case PHY_TYPE_BASET_1GB:
 489        case PHY_TYPE_BASEX_1GB:
 490        case PHY_TYPE_SGMII:
 491                port = PORT_TP;
 492                break;
 493        case PHY_TYPE_SFP_PLUS_10GB:
 494                if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
 495                        port = PORT_DA;
 496                else
 497                        port = PORT_FIBRE;
 498                break;
 499        case PHY_TYPE_QSFP:
 500                if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
 501                        port = PORT_DA;
 502                else
 503                        port = PORT_FIBRE;
 504                break;
 505        case PHY_TYPE_XFP_10GB:
 506        case PHY_TYPE_SFP_1GB:
 507                port = PORT_FIBRE;
 508                break;
 509        case PHY_TYPE_BASET_10GB:
 510                port = PORT_TP;
 511                break;
 512        default:
 513                port = PORT_OTHER;
 514        }
 515
 516        return port;
 517}
 518
 519static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
 520{
 521        u32 val = 0;
 522
 523        switch (adapter->phy.interface_type) {
 524        case PHY_TYPE_BASET_1GB:
 525        case PHY_TYPE_BASEX_1GB:
 526        case PHY_TYPE_SGMII:
 527                val |= SUPPORTED_TP;
 528                if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 529                        val |= SUPPORTED_1000baseT_Full;
 530                if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 531                        val |= SUPPORTED_100baseT_Full;
 532                if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
 533                        val |= SUPPORTED_10baseT_Full;
 534                break;
 535        case PHY_TYPE_KX4_10GB:
 536                val |= SUPPORTED_Backplane;
 537                if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 538                        val |= SUPPORTED_1000baseKX_Full;
 539                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 540                        val |= SUPPORTED_10000baseKX4_Full;
 541                break;
 542        case PHY_TYPE_KR2_20GB:
 543                val |= SUPPORTED_Backplane;
 544                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 545                        val |= SUPPORTED_10000baseKR_Full;
 546                if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
 547                        val |= SUPPORTED_20000baseKR2_Full;
 548                break;
 549        case PHY_TYPE_KR_10GB:
 550                val |= SUPPORTED_Backplane |
 551                                SUPPORTED_10000baseKR_Full;
 552                break;
 553        case PHY_TYPE_KR4_40GB:
 554                val |= SUPPORTED_Backplane;
 555                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 556                        val |= SUPPORTED_10000baseKR_Full;
 557                if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
 558                        val |= SUPPORTED_40000baseKR4_Full;
 559                break;
 560        case PHY_TYPE_QSFP:
 561                if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
 562                        switch (adapter->phy.cable_type) {
 563                        case QSFP_PLUS_CR4_CABLE:
 564                                val |= SUPPORTED_40000baseCR4_Full;
 565                                break;
 566                        case QSFP_PLUS_LR4_CABLE:
 567                                val |= SUPPORTED_40000baseLR4_Full;
 568                                break;
 569                        default:
 570                                val |= SUPPORTED_40000baseSR4_Full;
 571                                break;
 572                        }
 573                }
 574                fallthrough;
 575        case PHY_TYPE_SFP_PLUS_10GB:
 576        case PHY_TYPE_XFP_10GB:
 577        case PHY_TYPE_SFP_1GB:
 578                val |= SUPPORTED_FIBRE;
 579                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 580                        val |= SUPPORTED_10000baseT_Full;
 581                if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 582                        val |= SUPPORTED_1000baseT_Full;
 583                break;
 584        case PHY_TYPE_BASET_10GB:
 585                val |= SUPPORTED_TP;
 586                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 587                        val |= SUPPORTED_10000baseT_Full;
 588                if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 589                        val |= SUPPORTED_1000baseT_Full;
 590                if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 591                        val |= SUPPORTED_100baseT_Full;
 592                break;
 593        default:
 594                val |= SUPPORTED_TP;
 595        }
 596
 597        return val;
 598}
 599
 600bool be_pause_supported(struct be_adapter *adapter)
 601{
 602        return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
 603                adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
 604                false : true;
 605}
 606
 607static int be_get_link_ksettings(struct net_device *netdev,
 608                                 struct ethtool_link_ksettings *cmd)
 609{
 610        struct be_adapter *adapter = netdev_priv(netdev);
 611        u8 link_status;
 612        u16 link_speed = 0;
 613        int status;
 614        u32 auto_speeds;
 615        u32 fixed_speeds;
 616        u32 supported = 0, advertising = 0;
 617
 618        if (adapter->phy.link_speed < 0) {
 619                status = be_cmd_link_status_query(adapter, &link_speed,
 620                                                  &link_status, 0);
 621                if (!status)
 622                        be_link_status_update(adapter, link_status);
 623                cmd->base.speed = link_speed;
 624
 625                status = be_cmd_get_phy_info(adapter);
 626                if (!status) {
 627                        auto_speeds = adapter->phy.auto_speeds_supported;
 628                        fixed_speeds = adapter->phy.fixed_speeds_supported;
 629
 630                        be_cmd_query_cable_type(adapter);
 631
 632                        supported =
 633                                convert_to_et_setting(adapter,
 634                                                      auto_speeds |
 635                                                      fixed_speeds);
 636                        advertising =
 637                                convert_to_et_setting(adapter, auto_speeds);
 638
 639                        cmd->base.port = be_get_port_type(adapter);
 640
 641                        if (adapter->phy.auto_speeds_supported) {
 642                                supported |= SUPPORTED_Autoneg;
 643                                cmd->base.autoneg = AUTONEG_ENABLE;
 644                                advertising |= ADVERTISED_Autoneg;
 645                        }
 646
 647                        supported |= SUPPORTED_Pause;
 648                        if (be_pause_supported(adapter))
 649                                advertising |= ADVERTISED_Pause;
 650                } else {
 651                        cmd->base.port = PORT_OTHER;
 652                        cmd->base.autoneg = AUTONEG_DISABLE;
 653                }
 654
 655                /* Save for future use */
 656                adapter->phy.link_speed = cmd->base.speed;
 657                adapter->phy.port_type = cmd->base.port;
 658                adapter->phy.autoneg = cmd->base.autoneg;
 659                adapter->phy.advertising = advertising;
 660                adapter->phy.supported = supported;
 661        } else {
 662                cmd->base.speed = adapter->phy.link_speed;
 663                cmd->base.port = adapter->phy.port_type;
 664                cmd->base.autoneg = adapter->phy.autoneg;
 665                advertising = adapter->phy.advertising;
 666                supported = adapter->phy.supported;
 667        }
 668
 669        cmd->base.duplex = netif_carrier_ok(netdev) ?
 670                DUPLEX_FULL : DUPLEX_UNKNOWN;
 671        cmd->base.phy_address = adapter->port_num;
 672
 673        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 674                                                supported);
 675        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 676                                                advertising);
 677
 678        return 0;
 679}
 680
 681static void be_get_ringparam(struct net_device *netdev,
 682                             struct ethtool_ringparam *ring)
 683{
 684        struct be_adapter *adapter = netdev_priv(netdev);
 685
 686        ring->rx_max_pending = adapter->rx_obj[0].q.len;
 687        ring->rx_pending = adapter->rx_obj[0].q.len;
 688        ring->tx_max_pending = adapter->tx_obj[0].q.len;
 689        ring->tx_pending = adapter->tx_obj[0].q.len;
 690}
 691
 692static void
 693be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 694{
 695        struct be_adapter *adapter = netdev_priv(netdev);
 696
 697        be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
 698        ecmd->autoneg = adapter->phy.fc_autoneg;
 699}
 700
 701static int
 702be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 703{
 704        struct be_adapter *adapter = netdev_priv(netdev);
 705        int status;
 706
 707        if (ecmd->autoneg != adapter->phy.fc_autoneg)
 708                return -EINVAL;
 709
 710        status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
 711                                         ecmd->rx_pause);
 712        if (status) {
 713                dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
 714                return be_cmd_status(status);
 715        }
 716
 717        adapter->tx_fc = ecmd->tx_pause;
 718        adapter->rx_fc = ecmd->rx_pause;
 719        return 0;
 720}
 721
 722static int be_set_phys_id(struct net_device *netdev,
 723                          enum ethtool_phys_id_state state)
 724{
 725        struct be_adapter *adapter = netdev_priv(netdev);
 726        int status = 0;
 727
 728        switch (state) {
 729        case ETHTOOL_ID_ACTIVE:
 730                status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
 731                                                 &adapter->beacon_state);
 732                if (status)
 733                        return be_cmd_status(status);
 734                return 1;       /* cycle on/off once per second */
 735
 736        case ETHTOOL_ID_ON:
 737                status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 738                                                 0, 0, BEACON_STATE_ENABLED);
 739                break;
 740
 741        case ETHTOOL_ID_OFF:
 742                status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 743                                                 0, 0, BEACON_STATE_DISABLED);
 744                break;
 745
 746        case ETHTOOL_ID_INACTIVE:
 747                status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 748                                                 0, 0, adapter->beacon_state);
 749        }
 750
 751        return be_cmd_status(status);
 752}
 753
 754static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
 755{
 756        struct be_adapter *adapter = netdev_priv(netdev);
 757        struct device *dev = &adapter->pdev->dev;
 758        int status;
 759
 760        if (!lancer_chip(adapter) ||
 761            !check_privilege(adapter, MAX_PRIVILEGES))
 762                return -EOPNOTSUPP;
 763
 764        switch (dump->flag) {
 765        case LANCER_INITIATE_FW_DUMP:
 766                status = lancer_initiate_dump(adapter);
 767                if (!status)
 768                        dev_info(dev, "FW dump initiated successfully\n");
 769                break;
 770        case LANCER_DELETE_FW_DUMP:
 771                status = lancer_delete_dump(adapter);
 772                if (!status)
 773                        dev_info(dev, "FW dump deleted successfully\n");
 774        break;
 775        default:
 776                dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
 777                return -EINVAL;
 778        }
 779        return status;
 780}
 781
 782static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 783{
 784        struct be_adapter *adapter = netdev_priv(netdev);
 785
 786        if (adapter->wol_cap & BE_WOL_CAP) {
 787                wol->supported |= WAKE_MAGIC;
 788                if (adapter->wol_en)
 789                        wol->wolopts |= WAKE_MAGIC;
 790        } else {
 791                wol->wolopts = 0;
 792        }
 793        memset(&wol->sopass, 0, sizeof(wol->sopass));
 794}
 795
 796static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 797{
 798        struct be_adapter *adapter = netdev_priv(netdev);
 799        struct device *dev = &adapter->pdev->dev;
 800        struct be_dma_mem cmd;
 801        u8 mac[ETH_ALEN];
 802        bool enable;
 803        int status;
 804
 805        if (wol->wolopts & ~WAKE_MAGIC)
 806                return -EOPNOTSUPP;
 807
 808        if (!(adapter->wol_cap & BE_WOL_CAP)) {
 809                dev_warn(&adapter->pdev->dev, "WOL not supported\n");
 810                return -EOPNOTSUPP;
 811        }
 812
 813        cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
 814        cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
 815        if (!cmd.va)
 816                return -ENOMEM;
 817
 818        eth_zero_addr(mac);
 819
 820        enable = wol->wolopts & WAKE_MAGIC;
 821        if (enable)
 822                ether_addr_copy(mac, adapter->netdev->dev_addr);
 823
 824        status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
 825        if (status) {
 826                dev_err(dev, "Could not set Wake-on-lan mac address\n");
 827                status = be_cmd_status(status);
 828                goto err;
 829        }
 830
 831        pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
 832        pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
 833
 834        adapter->wol_en = enable ? true : false;
 835
 836err:
 837        dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
 838        return status;
 839}
 840
 841static int be_test_ddr_dma(struct be_adapter *adapter)
 842{
 843        int ret, i;
 844        struct be_dma_mem ddrdma_cmd;
 845        static const u64 pattern[2] = {
 846                0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
 847        };
 848
 849        ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 850        ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
 851                                           ddrdma_cmd.size, &ddrdma_cmd.dma,
 852                                           GFP_KERNEL);
 853        if (!ddrdma_cmd.va)
 854                return -ENOMEM;
 855
 856        for (i = 0; i < 2; i++) {
 857                ret = be_cmd_ddr_dma_test(adapter, pattern[i],
 858                                          4096, &ddrdma_cmd);
 859                if (ret != 0)
 860                        goto err;
 861        }
 862
 863err:
 864        dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
 865                          ddrdma_cmd.dma);
 866        return be_cmd_status(ret);
 867}
 868
 869static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
 870                            u64 *status)
 871{
 872        int ret;
 873
 874        ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 875                                  loopback_type, 1);
 876        if (ret)
 877                return ret;
 878
 879        *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
 880                                       loopback_type, 1500, 2, 0xabc);
 881
 882        ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 883                                  BE_NO_LOOPBACK, 1);
 884        if (ret)
 885                return ret;
 886
 887        return *status;
 888}
 889
 890static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
 891                         u64 *data)
 892{
 893        struct be_adapter *adapter = netdev_priv(netdev);
 894        int status, cnt;
 895        u8 link_status = 0;
 896
 897        if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
 898                dev_err(&adapter->pdev->dev, "Self test not supported\n");
 899                test->flags |= ETH_TEST_FL_FAILED;
 900                return;
 901        }
 902
 903        memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
 904
 905        /* check link status before offline tests */
 906        link_status = netif_carrier_ok(netdev);
 907
 908        if (test->flags & ETH_TEST_FL_OFFLINE) {
 909                if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
 910                        test->flags |= ETH_TEST_FL_FAILED;
 911
 912                if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
 913                        test->flags |= ETH_TEST_FL_FAILED;
 914
 915                if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
 916                        if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
 917                                             &data[2]) != 0)
 918                                test->flags |= ETH_TEST_FL_FAILED;
 919                        test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
 920                }
 921        }
 922
 923        if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
 924                data[3] = 1;
 925                test->flags |= ETH_TEST_FL_FAILED;
 926        }
 927
 928        /* link status was down prior to test */
 929        if (!link_status) {
 930                test->flags |= ETH_TEST_FL_FAILED;
 931                data[4] = 1;
 932                return;
 933        }
 934
 935        for (cnt = 10; cnt; cnt--) {
 936                status = be_cmd_link_status_query(adapter, NULL, &link_status,
 937                                                  0);
 938                if (status) {
 939                        test->flags |= ETH_TEST_FL_FAILED;
 940                        data[4] = -1;
 941                        break;
 942                }
 943
 944                if (link_status)
 945                        break;
 946
 947                msleep_interruptible(500);
 948        }
 949}
 950
 951static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 952{
 953        struct be_adapter *adapter = netdev_priv(netdev);
 954
 955        return be_load_fw(adapter, efl->data);
 956}
 957
 958static int
 959be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
 960{
 961        struct be_adapter *adapter = netdev_priv(netdev);
 962
 963        if (!check_privilege(adapter, MAX_PRIVILEGES))
 964                return -EOPNOTSUPP;
 965
 966        dump->len = be_get_dump_len(adapter);
 967        dump->version = 1;
 968        dump->flag = 0x1;       /* FW dump is enabled */
 969        return 0;
 970}
 971
 972static int
 973be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
 974                 void *buf)
 975{
 976        struct be_adapter *adapter = netdev_priv(netdev);
 977        int status;
 978
 979        if (!check_privilege(adapter, MAX_PRIVILEGES))
 980                return -EOPNOTSUPP;
 981
 982        status = be_read_dump_data(adapter, dump->len, buf);
 983        return be_cmd_status(status);
 984}
 985
 986static int be_get_eeprom_len(struct net_device *netdev)
 987{
 988        struct be_adapter *adapter = netdev_priv(netdev);
 989
 990        if (!check_privilege(adapter, MAX_PRIVILEGES))
 991                return 0;
 992
 993        if (lancer_chip(adapter)) {
 994                if (be_physfn(adapter))
 995                        return lancer_cmd_get_file_len(adapter,
 996                                                       LANCER_VPD_PF_FILE);
 997                else
 998                        return lancer_cmd_get_file_len(adapter,
 999                                                       LANCER_VPD_VF_FILE);
1000        } else {
1001                return BE_READ_SEEPROM_LEN;
1002        }
1003}
1004
1005static int be_read_eeprom(struct net_device *netdev,
1006                          struct ethtool_eeprom *eeprom, uint8_t *data)
1007{
1008        struct be_adapter *adapter = netdev_priv(netdev);
1009        struct be_dma_mem eeprom_cmd;
1010        struct be_cmd_resp_seeprom_read *resp;
1011        int status;
1012
1013        if (!eeprom->len)
1014                return -EINVAL;
1015
1016        if (lancer_chip(adapter)) {
1017                if (be_physfn(adapter))
1018                        return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1019                                                    eeprom->len, data);
1020                else
1021                        return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1022                                                    eeprom->len, data);
1023        }
1024
1025        eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1026
1027        memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1028        eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1029        eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1030                                           eeprom_cmd.size, &eeprom_cmd.dma,
1031                                           GFP_KERNEL);
1032
1033        if (!eeprom_cmd.va)
1034                return -ENOMEM;
1035
1036        status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1037
1038        if (!status) {
1039                resp = eeprom_cmd.va;
1040                memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1041        }
1042        dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1043                          eeprom_cmd.dma);
1044
1045        return be_cmd_status(status);
1046}
1047
1048static u32 be_get_msg_level(struct net_device *netdev)
1049{
1050        struct be_adapter *adapter = netdev_priv(netdev);
1051
1052        return adapter->msg_enable;
1053}
1054
1055static void be_set_msg_level(struct net_device *netdev, u32 level)
1056{
1057        struct be_adapter *adapter = netdev_priv(netdev);
1058
1059        if (adapter->msg_enable == level)
1060                return;
1061
1062        if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1063                if (BEx_chip(adapter))
1064                        be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1065                                                FW_LOG_LEVEL_DEFAULT :
1066                                                FW_LOG_LEVEL_FATAL);
1067        adapter->msg_enable = level;
1068}
1069
1070static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1071{
1072        u64 data = 0;
1073
1074        switch (flow_type) {
1075        case TCP_V4_FLOW:
1076                if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1077                        data |= RXH_IP_DST | RXH_IP_SRC;
1078                if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1079                        data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1080                break;
1081        case UDP_V4_FLOW:
1082                if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1083                        data |= RXH_IP_DST | RXH_IP_SRC;
1084                if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1085                        data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1086                break;
1087        case TCP_V6_FLOW:
1088                if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1089                        data |= RXH_IP_DST | RXH_IP_SRC;
1090                if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1091                        data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1092                break;
1093        case UDP_V6_FLOW:
1094                if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1095                        data |= RXH_IP_DST | RXH_IP_SRC;
1096                if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1097                        data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1098                break;
1099        }
1100
1101        return data;
1102}
1103
1104static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1105                        u32 *rule_locs)
1106{
1107        struct be_adapter *adapter = netdev_priv(netdev);
1108
1109        if (!be_multi_rxq(adapter)) {
1110                dev_info(&adapter->pdev->dev,
1111                         "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1112                return -EINVAL;
1113        }
1114
1115        switch (cmd->cmd) {
1116        case ETHTOOL_GRXFH:
1117                cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1118                break;
1119        case ETHTOOL_GRXRINGS:
1120                cmd->data = adapter->num_rx_qs;
1121                break;
1122        default:
1123                return -EINVAL;
1124        }
1125
1126        return 0;
1127}
1128
1129static int be_set_rss_hash_opts(struct be_adapter *adapter,
1130                                struct ethtool_rxnfc *cmd)
1131{
1132        int status;
1133        u32 rss_flags = adapter->rss_info.rss_flags;
1134
1135        if (cmd->data != L3_RSS_FLAGS &&
1136            cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1137                return -EINVAL;
1138
1139        switch (cmd->flow_type) {
1140        case TCP_V4_FLOW:
1141                if (cmd->data == L3_RSS_FLAGS)
1142                        rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1143                else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1144                        rss_flags |= RSS_ENABLE_IPV4 |
1145                                        RSS_ENABLE_TCP_IPV4;
1146                break;
1147        case TCP_V6_FLOW:
1148                if (cmd->data == L3_RSS_FLAGS)
1149                        rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1150                else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1151                        rss_flags |= RSS_ENABLE_IPV6 |
1152                                        RSS_ENABLE_TCP_IPV6;
1153                break;
1154        case UDP_V4_FLOW:
1155                if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1156                    BEx_chip(adapter))
1157                        return -EINVAL;
1158
1159                if (cmd->data == L3_RSS_FLAGS)
1160                        rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1161                else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1162                        rss_flags |= RSS_ENABLE_IPV4 |
1163                                        RSS_ENABLE_UDP_IPV4;
1164                break;
1165        case UDP_V6_FLOW:
1166                if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1167                    BEx_chip(adapter))
1168                        return -EINVAL;
1169
1170                if (cmd->data == L3_RSS_FLAGS)
1171                        rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1172                else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1173                        rss_flags |= RSS_ENABLE_IPV6 |
1174                                        RSS_ENABLE_UDP_IPV6;
1175                break;
1176        default:
1177                return -EINVAL;
1178        }
1179
1180        if (rss_flags == adapter->rss_info.rss_flags)
1181                return 0;
1182
1183        status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1184                                   rss_flags, RSS_INDIR_TABLE_LEN,
1185                                   adapter->rss_info.rss_hkey);
1186        if (!status)
1187                adapter->rss_info.rss_flags = rss_flags;
1188
1189        return be_cmd_status(status);
1190}
1191
1192static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1193{
1194        struct be_adapter *adapter = netdev_priv(netdev);
1195        int status = 0;
1196
1197        if (!be_multi_rxq(adapter)) {
1198                dev_err(&adapter->pdev->dev,
1199                        "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1200                return -EINVAL;
1201        }
1202
1203        switch (cmd->cmd) {
1204        case ETHTOOL_SRXFH:
1205                status = be_set_rss_hash_opts(adapter, cmd);
1206                break;
1207        default:
1208                return -EINVAL;
1209        }
1210
1211        return status;
1212}
1213
1214static void be_get_channels(struct net_device *netdev,
1215                            struct ethtool_channels *ch)
1216{
1217        struct be_adapter *adapter = netdev_priv(netdev);
1218        u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1219
1220        /* num_tx_qs is always same as the number of irqs used for TX */
1221        ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1222        ch->rx_count = num_rx_irqs - ch->combined_count;
1223        ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1224
1225        ch->max_combined = be_max_qp_irqs(adapter);
1226        /* The user must create atleast one combined channel */
1227        ch->max_rx = be_max_rx_irqs(adapter) - 1;
1228        ch->max_tx = be_max_tx_irqs(adapter) - 1;
1229}
1230
1231static int be_set_channels(struct net_device  *netdev,
1232                           struct ethtool_channels *ch)
1233{
1234        struct be_adapter *adapter = netdev_priv(netdev);
1235        int status;
1236
1237        /* we support either only combined channels or a combination of
1238         * combined and either RX-only or TX-only channels.
1239         */
1240        if (ch->other_count || !ch->combined_count ||
1241            (ch->rx_count && ch->tx_count))
1242                return -EINVAL;
1243
1244        if (ch->combined_count > be_max_qp_irqs(adapter) ||
1245            (ch->rx_count &&
1246             (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1247            (ch->tx_count &&
1248             (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1249                return -EINVAL;
1250
1251        adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1252        adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1253
1254        status = be_update_queues(adapter);
1255        return be_cmd_status(status);
1256}
1257
1258static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1259{
1260        return RSS_INDIR_TABLE_LEN;
1261}
1262
1263static u32 be_get_rxfh_key_size(struct net_device *netdev)
1264{
1265        return RSS_HASH_KEY_LEN;
1266}
1267
1268static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1269                       u8 *hfunc)
1270{
1271        struct be_adapter *adapter = netdev_priv(netdev);
1272        int i;
1273        struct rss_info *rss = &adapter->rss_info;
1274
1275        if (indir) {
1276                for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1277                        indir[i] = rss->rss_queue[i];
1278        }
1279
1280        if (hkey)
1281                memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1282
1283        if (hfunc)
1284                *hfunc = ETH_RSS_HASH_TOP;
1285
1286        return 0;
1287}
1288
1289static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1290                       const u8 *hkey, const u8 hfunc)
1291{
1292        int rc = 0, i, j;
1293        struct be_adapter *adapter = netdev_priv(netdev);
1294        u8 rsstable[RSS_INDIR_TABLE_LEN];
1295
1296        /* We do not allow change in unsupported parameters */
1297        if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1298                return -EOPNOTSUPP;
1299
1300        if (indir) {
1301                struct be_rx_obj *rxo;
1302
1303                for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1304                        j = indir[i];
1305                        rxo = &adapter->rx_obj[j];
1306                        rsstable[i] = rxo->rss_id;
1307                        adapter->rss_info.rss_queue[i] = j;
1308                }
1309        } else {
1310                memcpy(rsstable, adapter->rss_info.rsstable,
1311                       RSS_INDIR_TABLE_LEN);
1312        }
1313
1314        if (!hkey)
1315                hkey =  adapter->rss_info.rss_hkey;
1316
1317        rc = be_cmd_rss_config(adapter, rsstable,
1318                               adapter->rss_info.rss_flags,
1319                               RSS_INDIR_TABLE_LEN, hkey);
1320        if (rc) {
1321                adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1322                return -EIO;
1323        }
1324        memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1325        memcpy(adapter->rss_info.rsstable, rsstable,
1326               RSS_INDIR_TABLE_LEN);
1327        return 0;
1328}
1329
1330static int be_get_module_info(struct net_device *netdev,
1331                              struct ethtool_modinfo *modinfo)
1332{
1333        struct be_adapter *adapter = netdev_priv(netdev);
1334        u8 page_data[PAGE_DATA_LEN];
1335        int status;
1336
1337        if (!check_privilege(adapter, MAX_PRIVILEGES))
1338                return -EOPNOTSUPP;
1339
1340        status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1341                                                   page_data);
1342        if (!status) {
1343                if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1344                        modinfo->type = ETH_MODULE_SFF_8079;
1345                        modinfo->eeprom_len = PAGE_DATA_LEN;
1346                } else {
1347                        modinfo->type = ETH_MODULE_SFF_8472;
1348                        modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1349                }
1350        }
1351        return be_cmd_status(status);
1352}
1353
1354static int be_get_module_eeprom(struct net_device *netdev,
1355                                struct ethtool_eeprom *eeprom, u8 *data)
1356{
1357        struct be_adapter *adapter = netdev_priv(netdev);
1358        int status;
1359
1360        if (!check_privilege(adapter, MAX_PRIVILEGES))
1361                return -EOPNOTSUPP;
1362
1363        status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1364                                                   data);
1365        if (status)
1366                goto err;
1367
1368        if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1369                status = be_cmd_read_port_transceiver_data(adapter,
1370                                                           TR_PAGE_A2,
1371                                                           data +
1372                                                           PAGE_DATA_LEN);
1373                if (status)
1374                        goto err;
1375        }
1376        if (eeprom->offset)
1377                memcpy(data, data + eeprom->offset, eeprom->len);
1378err:
1379        return be_cmd_status(status);
1380}
1381
1382static u32 be_get_priv_flags(struct net_device *netdev)
1383{
1384        struct be_adapter *adapter = netdev_priv(netdev);
1385
1386        return adapter->priv_flags;
1387}
1388
1389static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1390{
1391        struct be_adapter *adapter = netdev_priv(netdev);
1392        bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1393        bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1394
1395        if (tpe_old != tpe_new) {
1396                if (tpe_new) {
1397                        adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1398                        dev_info(&adapter->pdev->dev,
1399                                 "HW error recovery is disabled\n");
1400                } else {
1401                        adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1402                        dev_info(&adapter->pdev->dev,
1403                                 "HW error recovery is enabled\n");
1404                }
1405        }
1406
1407        return 0;
1408}
1409
1410const struct ethtool_ops be_ethtool_ops = {
1411        .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1412                                     ETHTOOL_COALESCE_USE_ADAPTIVE |
1413                                     ETHTOOL_COALESCE_USECS_LOW_HIGH,
1414        .get_drvinfo = be_get_drvinfo,
1415        .get_wol = be_get_wol,
1416        .set_wol = be_set_wol,
1417        .get_link = ethtool_op_get_link,
1418        .get_eeprom_len = be_get_eeprom_len,
1419        .get_eeprom = be_read_eeprom,
1420        .get_coalesce = be_get_coalesce,
1421        .set_coalesce = be_set_coalesce,
1422        .get_ringparam = be_get_ringparam,
1423        .get_pauseparam = be_get_pauseparam,
1424        .set_pauseparam = be_set_pauseparam,
1425        .set_priv_flags = be_set_priv_flags,
1426        .get_priv_flags = be_get_priv_flags,
1427        .get_strings = be_get_stat_strings,
1428        .set_phys_id = be_set_phys_id,
1429        .set_dump = be_set_dump,
1430        .get_msglevel = be_get_msg_level,
1431        .set_msglevel = be_set_msg_level,
1432        .get_sset_count = be_get_sset_count,
1433        .get_ethtool_stats = be_get_ethtool_stats,
1434        .flash_device = be_do_flash,
1435        .self_test = be_self_test,
1436        .get_rxnfc = be_get_rxnfc,
1437        .set_rxnfc = be_set_rxnfc,
1438        .get_rxfh_indir_size = be_get_rxfh_indir_size,
1439        .get_rxfh_key_size = be_get_rxfh_key_size,
1440        .get_rxfh = be_get_rxfh,
1441        .set_rxfh = be_set_rxfh,
1442        .get_dump_flag = be_get_dump_flag,
1443        .get_dump_data = be_get_dump_data,
1444        .get_channels = be_get_channels,
1445        .set_channels = be_set_channels,
1446        .get_module_info = be_get_module_info,
1447        .get_module_eeprom = be_get_module_eeprom,
1448        .get_link_ksettings = be_get_link_ksettings,
1449};
1450