linux/drivers/net/ethernet/emulex/benet/be_ethtool.c
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   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
  22struct be_ethtool_stat {
  23        char desc[ETH_GSTRING_LEN];
  24        int type;
  25        int size;
  26        int offset;
  27};
  28
  29enum {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
  39static 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 */
 138static 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 */
 162static 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
 207static 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
 221static 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
 239static 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
 253static 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
 266static 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
 307static 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
 321static 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 */
 344static 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
 372static 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
 424static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 425                                uint8_t *data)
 426{
 427        struct be_adapter *adapter = netdev_priv(netdev);
 428        int i, j;
 429
 430        switch (stringset) {
 431        case ETH_SS_STATS:
 432                for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 433                        memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
 434                        data += ETH_GSTRING_LEN;
 435                }
 436                for (i = 0; i < adapter->num_rx_qs; i++) {
 437                        for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
 438                                sprintf(data, "rxq%d: %s", i,
 439                                        et_rx_stats[j].desc);
 440                                data += ETH_GSTRING_LEN;
 441                        }
 442                }
 443                for (i = 0; i < adapter->num_tx_qs; i++) {
 444                        for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
 445                                sprintf(data, "txq%d: %s", i,
 446                                        et_tx_stats[j].desc);
 447                                data += ETH_GSTRING_LEN;
 448                        }
 449                }
 450                break;
 451        case ETH_SS_TEST:
 452                for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
 453                        memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
 454                        data += ETH_GSTRING_LEN;
 455                }
 456                break;
 457        }
 458}
 459
 460static int be_get_sset_count(struct net_device *netdev, int stringset)
 461{
 462        struct be_adapter *adapter = netdev_priv(netdev);
 463
 464        switch (stringset) {
 465        case ETH_SS_TEST:
 466                return ETHTOOL_TESTS_NUM;
 467        case ETH_SS_STATS:
 468                return ETHTOOL_STATS_NUM +
 469                        adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
 470                        adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
 471        default:
 472                return -EINVAL;
 473        }
 474}
 475
 476static u32 be_get_port_type(struct be_adapter *adapter)
 477{
 478        u32 port;
 479
 480        switch (adapter->phy.interface_type) {
 481        case PHY_TYPE_BASET_1GB:
 482        case PHY_TYPE_BASEX_1GB:
 483        case PHY_TYPE_SGMII:
 484                port = PORT_TP;
 485                break;
 486        case PHY_TYPE_SFP_PLUS_10GB:
 487                if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
 488                        port = PORT_DA;
 489                else
 490                        port = PORT_FIBRE;
 491                break;
 492        case PHY_TYPE_QSFP:
 493                if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
 494                        port = PORT_DA;
 495                else
 496                        port = PORT_FIBRE;
 497                break;
 498        case PHY_TYPE_XFP_10GB:
 499        case PHY_TYPE_SFP_1GB:
 500                port = PORT_FIBRE;
 501                break;
 502        case PHY_TYPE_BASET_10GB:
 503                port = PORT_TP;
 504                break;
 505        default:
 506                port = PORT_OTHER;
 507        }
 508
 509        return port;
 510}
 511
 512static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
 513{
 514        u32 val = 0;
 515
 516        switch (adapter->phy.interface_type) {
 517        case PHY_TYPE_BASET_1GB:
 518        case PHY_TYPE_BASEX_1GB:
 519        case PHY_TYPE_SGMII:
 520                val |= SUPPORTED_TP;
 521                if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 522                        val |= SUPPORTED_1000baseT_Full;
 523                if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 524                        val |= SUPPORTED_100baseT_Full;
 525                if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
 526                        val |= SUPPORTED_10baseT_Full;
 527                break;
 528        case PHY_TYPE_KX4_10GB:
 529                val |= SUPPORTED_Backplane;
 530                if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 531                        val |= SUPPORTED_1000baseKX_Full;
 532                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 533                        val |= SUPPORTED_10000baseKX4_Full;
 534                break;
 535        case PHY_TYPE_KR2_20GB:
 536                val |= SUPPORTED_Backplane;
 537                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 538                        val |= SUPPORTED_10000baseKR_Full;
 539                if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
 540                        val |= SUPPORTED_20000baseKR2_Full;
 541                break;
 542        case PHY_TYPE_KR_10GB:
 543                val |= SUPPORTED_Backplane |
 544                                SUPPORTED_10000baseKR_Full;
 545                break;
 546        case PHY_TYPE_KR4_40GB:
 547                val |= SUPPORTED_Backplane;
 548                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 549                        val |= SUPPORTED_10000baseKR_Full;
 550                if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
 551                        val |= SUPPORTED_40000baseKR4_Full;
 552                break;
 553        case PHY_TYPE_QSFP:
 554                if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
 555                        switch (adapter->phy.cable_type) {
 556                        case QSFP_PLUS_CR4_CABLE:
 557                                val |= SUPPORTED_40000baseCR4_Full;
 558                                break;
 559                        case QSFP_PLUS_LR4_CABLE:
 560                                val |= SUPPORTED_40000baseLR4_Full;
 561                                break;
 562                        default:
 563                                val |= SUPPORTED_40000baseSR4_Full;
 564                                break;
 565                        }
 566                }
 567        case PHY_TYPE_SFP_PLUS_10GB:
 568        case PHY_TYPE_XFP_10GB:
 569        case PHY_TYPE_SFP_1GB:
 570                val |= SUPPORTED_FIBRE;
 571                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 572                        val |= SUPPORTED_10000baseT_Full;
 573                if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 574                        val |= SUPPORTED_1000baseT_Full;
 575                break;
 576        case PHY_TYPE_BASET_10GB:
 577                val |= SUPPORTED_TP;
 578                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 579                        val |= SUPPORTED_10000baseT_Full;
 580                if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 581                        val |= SUPPORTED_1000baseT_Full;
 582                if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 583                        val |= SUPPORTED_100baseT_Full;
 584                break;
 585        default:
 586                val |= SUPPORTED_TP;
 587        }
 588
 589        return val;
 590}
 591
 592bool be_pause_supported(struct be_adapter *adapter)
 593{
 594        return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
 595                adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
 596                false : true;
 597}
 598
 599static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 600{
 601        struct be_adapter *adapter = netdev_priv(netdev);
 602        u8 link_status;
 603        u16 link_speed = 0;
 604        int status;
 605        u32 auto_speeds;
 606        u32 fixed_speeds;
 607
 608        if (adapter->phy.link_speed < 0) {
 609                status = be_cmd_link_status_query(adapter, &link_speed,
 610                                                  &link_status, 0);
 611                if (!status)
 612                        be_link_status_update(adapter, link_status);
 613                ethtool_cmd_speed_set(ecmd, link_speed);
 614
 615                status = be_cmd_get_phy_info(adapter);
 616                if (!status) {
 617                        auto_speeds = adapter->phy.auto_speeds_supported;
 618                        fixed_speeds = adapter->phy.fixed_speeds_supported;
 619
 620                        be_cmd_query_cable_type(adapter);
 621
 622                        ecmd->supported =
 623                                convert_to_et_setting(adapter,
 624                                                      auto_speeds |
 625                                                      fixed_speeds);
 626                        ecmd->advertising =
 627                                convert_to_et_setting(adapter, auto_speeds);
 628
 629                        ecmd->port = be_get_port_type(adapter);
 630
 631                        if (adapter->phy.auto_speeds_supported) {
 632                                ecmd->supported |= SUPPORTED_Autoneg;
 633                                ecmd->autoneg = AUTONEG_ENABLE;
 634                                ecmd->advertising |= ADVERTISED_Autoneg;
 635                        }
 636
 637                        ecmd->supported |= SUPPORTED_Pause;
 638                        if (be_pause_supported(adapter))
 639                                ecmd->advertising |= ADVERTISED_Pause;
 640
 641                        switch (adapter->phy.interface_type) {
 642                        case PHY_TYPE_KR_10GB:
 643                        case PHY_TYPE_KX4_10GB:
 644                                ecmd->transceiver = XCVR_INTERNAL;
 645                                break;
 646                        default:
 647                                ecmd->transceiver = XCVR_EXTERNAL;
 648                                break;
 649                        }
 650                } else {
 651                        ecmd->port = PORT_OTHER;
 652                        ecmd->autoneg = AUTONEG_DISABLE;
 653                        ecmd->transceiver = XCVR_DUMMY1;
 654                }
 655
 656                /* Save for future use */
 657                adapter->phy.link_speed = ethtool_cmd_speed(ecmd);
 658                adapter->phy.port_type = ecmd->port;
 659                adapter->phy.transceiver = ecmd->transceiver;
 660                adapter->phy.autoneg = ecmd->autoneg;
 661                adapter->phy.advertising = ecmd->advertising;
 662                adapter->phy.supported = ecmd->supported;
 663        } else {
 664                ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed);
 665                ecmd->port = adapter->phy.port_type;
 666                ecmd->transceiver = adapter->phy.transceiver;
 667                ecmd->autoneg = adapter->phy.autoneg;
 668                ecmd->advertising = adapter->phy.advertising;
 669                ecmd->supported = adapter->phy.supported;
 670        }
 671
 672        ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN;
 673        ecmd->phy_address = adapter->port_num;
 674
 675        return 0;
 676}
 677
 678static void be_get_ringparam(struct net_device *netdev,
 679                             struct ethtool_ringparam *ring)
 680{
 681        struct be_adapter *adapter = netdev_priv(netdev);
 682
 683        ring->rx_max_pending = adapter->rx_obj[0].q.len;
 684        ring->rx_pending = adapter->rx_obj[0].q.len;
 685        ring->tx_max_pending = adapter->tx_obj[0].q.len;
 686        ring->tx_pending = adapter->tx_obj[0].q.len;
 687}
 688
 689static void
 690be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 691{
 692        struct be_adapter *adapter = netdev_priv(netdev);
 693
 694        be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
 695        ecmd->autoneg = adapter->phy.fc_autoneg;
 696}
 697
 698static int
 699be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 700{
 701        struct be_adapter *adapter = netdev_priv(netdev);
 702        int status;
 703
 704        if (ecmd->autoneg != adapter->phy.fc_autoneg)
 705                return -EINVAL;
 706
 707        status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
 708                                         ecmd->rx_pause);
 709        if (status) {
 710                dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
 711                return be_cmd_status(status);
 712        }
 713
 714        adapter->tx_fc = ecmd->tx_pause;
 715        adapter->rx_fc = ecmd->rx_pause;
 716        return 0;
 717}
 718
 719static int be_set_phys_id(struct net_device *netdev,
 720                          enum ethtool_phys_id_state state)
 721{
 722        struct be_adapter *adapter = netdev_priv(netdev);
 723        int status = 0;
 724
 725        switch (state) {
 726        case ETHTOOL_ID_ACTIVE:
 727                status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
 728                                                 &adapter->beacon_state);
 729                if (status)
 730                        return be_cmd_status(status);
 731                return 1;       /* cycle on/off once per second */
 732
 733        case ETHTOOL_ID_ON:
 734                status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 735                                                 0, 0, BEACON_STATE_ENABLED);
 736                break;
 737
 738        case ETHTOOL_ID_OFF:
 739                status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 740                                                 0, 0, BEACON_STATE_DISABLED);
 741                break;
 742
 743        case ETHTOOL_ID_INACTIVE:
 744                status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 745                                                 0, 0, adapter->beacon_state);
 746        }
 747
 748        return be_cmd_status(status);
 749}
 750
 751static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
 752{
 753        struct be_adapter *adapter = netdev_priv(netdev);
 754        struct device *dev = &adapter->pdev->dev;
 755        int status;
 756
 757        if (!lancer_chip(adapter) ||
 758            !check_privilege(adapter, MAX_PRIVILEGES))
 759                return -EOPNOTSUPP;
 760
 761        switch (dump->flag) {
 762        case LANCER_INITIATE_FW_DUMP:
 763                status = lancer_initiate_dump(adapter);
 764                if (!status)
 765                        dev_info(dev, "FW dump initiated successfully\n");
 766                break;
 767        case LANCER_DELETE_FW_DUMP:
 768                status = lancer_delete_dump(adapter);
 769                if (!status)
 770                        dev_info(dev, "FW dump deleted successfully\n");
 771        break;
 772        default:
 773                dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
 774                return -EINVAL;
 775        }
 776        return status;
 777}
 778
 779static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 780{
 781        struct be_adapter *adapter = netdev_priv(netdev);
 782
 783        if (adapter->wol_cap & BE_WOL_CAP) {
 784                wol->supported |= WAKE_MAGIC;
 785                if (adapter->wol_en)
 786                        wol->wolopts |= WAKE_MAGIC;
 787        } else {
 788                wol->wolopts = 0;
 789        }
 790        memset(&wol->sopass, 0, sizeof(wol->sopass));
 791}
 792
 793static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 794{
 795        struct be_adapter *adapter = netdev_priv(netdev);
 796        struct device *dev = &adapter->pdev->dev;
 797        struct be_dma_mem cmd;
 798        u8 mac[ETH_ALEN];
 799        bool enable;
 800        int status;
 801
 802        if (wol->wolopts & ~WAKE_MAGIC)
 803                return -EOPNOTSUPP;
 804
 805        if (!(adapter->wol_cap & BE_WOL_CAP)) {
 806                dev_warn(&adapter->pdev->dev, "WOL not supported\n");
 807                return -EOPNOTSUPP;
 808        }
 809
 810        cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
 811        cmd.va = dma_zalloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
 812        if (!cmd.va)
 813                return -ENOMEM;
 814
 815        eth_zero_addr(mac);
 816
 817        enable = wol->wolopts & WAKE_MAGIC;
 818        if (enable)
 819                ether_addr_copy(mac, adapter->netdev->dev_addr);
 820
 821        status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
 822        if (status) {
 823                dev_err(dev, "Could not set Wake-on-lan mac address\n");
 824                status = be_cmd_status(status);
 825                goto err;
 826        }
 827
 828        pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
 829        pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
 830
 831        adapter->wol_en = enable ? true : false;
 832
 833err:
 834        dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
 835        return status;
 836}
 837
 838static int be_test_ddr_dma(struct be_adapter *adapter)
 839{
 840        int ret, i;
 841        struct be_dma_mem ddrdma_cmd;
 842        static const u64 pattern[2] = {
 843                0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
 844        };
 845
 846        ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 847        ddrdma_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
 848                                            ddrdma_cmd.size, &ddrdma_cmd.dma,
 849                                            GFP_KERNEL);
 850        if (!ddrdma_cmd.va)
 851                return -ENOMEM;
 852
 853        for (i = 0; i < 2; i++) {
 854                ret = be_cmd_ddr_dma_test(adapter, pattern[i],
 855                                          4096, &ddrdma_cmd);
 856                if (ret != 0)
 857                        goto err;
 858        }
 859
 860err:
 861        dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
 862                          ddrdma_cmd.dma);
 863        return be_cmd_status(ret);
 864}
 865
 866static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
 867                            u64 *status)
 868{
 869        int ret;
 870
 871        ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 872                                  loopback_type, 1);
 873        if (ret)
 874                return ret;
 875
 876        *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
 877                                       loopback_type, 1500, 2, 0xabc);
 878
 879        ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 880                                  BE_NO_LOOPBACK, 1);
 881        if (ret)
 882                return ret;
 883
 884        return *status;
 885}
 886
 887static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
 888                         u64 *data)
 889{
 890        struct be_adapter *adapter = netdev_priv(netdev);
 891        int status;
 892        u8 link_status = 0;
 893
 894        if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
 895                dev_err(&adapter->pdev->dev, "Self test not supported\n");
 896                test->flags |= ETH_TEST_FL_FAILED;
 897                return;
 898        }
 899
 900        memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
 901
 902        if (test->flags & ETH_TEST_FL_OFFLINE) {
 903                if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
 904                        test->flags |= ETH_TEST_FL_FAILED;
 905
 906                if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
 907                        test->flags |= ETH_TEST_FL_FAILED;
 908
 909                if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
 910                        if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
 911                                             &data[2]) != 0)
 912                                test->flags |= ETH_TEST_FL_FAILED;
 913                        test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
 914                }
 915        }
 916
 917        if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
 918                data[3] = 1;
 919                test->flags |= ETH_TEST_FL_FAILED;
 920        }
 921
 922        status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
 923        if (status) {
 924                test->flags |= ETH_TEST_FL_FAILED;
 925                data[4] = -1;
 926        } else if (!link_status) {
 927                test->flags |= ETH_TEST_FL_FAILED;
 928                data[4] = 1;
 929        }
 930}
 931
 932static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 933{
 934        struct be_adapter *adapter = netdev_priv(netdev);
 935
 936        return be_load_fw(adapter, efl->data);
 937}
 938
 939static int
 940be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
 941{
 942        struct be_adapter *adapter = netdev_priv(netdev);
 943
 944        if (!check_privilege(adapter, MAX_PRIVILEGES))
 945                return -EOPNOTSUPP;
 946
 947        dump->len = be_get_dump_len(adapter);
 948        dump->version = 1;
 949        dump->flag = 0x1;       /* FW dump is enabled */
 950        return 0;
 951}
 952
 953static int
 954be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
 955                 void *buf)
 956{
 957        struct be_adapter *adapter = netdev_priv(netdev);
 958        int status;
 959
 960        if (!check_privilege(adapter, MAX_PRIVILEGES))
 961                return -EOPNOTSUPP;
 962
 963        status = be_read_dump_data(adapter, dump->len, buf);
 964        return be_cmd_status(status);
 965}
 966
 967static int be_get_eeprom_len(struct net_device *netdev)
 968{
 969        struct be_adapter *adapter = netdev_priv(netdev);
 970
 971        if (!check_privilege(adapter, MAX_PRIVILEGES))
 972                return 0;
 973
 974        if (lancer_chip(adapter)) {
 975                if (be_physfn(adapter))
 976                        return lancer_cmd_get_file_len(adapter,
 977                                                       LANCER_VPD_PF_FILE);
 978                else
 979                        return lancer_cmd_get_file_len(adapter,
 980                                                       LANCER_VPD_VF_FILE);
 981        } else {
 982                return BE_READ_SEEPROM_LEN;
 983        }
 984}
 985
 986static int be_read_eeprom(struct net_device *netdev,
 987                          struct ethtool_eeprom *eeprom, uint8_t *data)
 988{
 989        struct be_adapter *adapter = netdev_priv(netdev);
 990        struct be_dma_mem eeprom_cmd;
 991        struct be_cmd_resp_seeprom_read *resp;
 992        int status;
 993
 994        if (!eeprom->len)
 995                return -EINVAL;
 996
 997        if (lancer_chip(adapter)) {
 998                if (be_physfn(adapter))
 999                        return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1000                                                    eeprom->len, data);
1001                else
1002                        return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1003                                                    eeprom->len, data);
1004        }
1005
1006        eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1007
1008        memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1009        eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1010        eeprom_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
1011                                            eeprom_cmd.size, &eeprom_cmd.dma,
1012                                            GFP_KERNEL);
1013
1014        if (!eeprom_cmd.va)
1015                return -ENOMEM;
1016
1017        status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1018
1019        if (!status) {
1020                resp = eeprom_cmd.va;
1021                memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1022        }
1023        dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1024                          eeprom_cmd.dma);
1025
1026        return be_cmd_status(status);
1027}
1028
1029static u32 be_get_msg_level(struct net_device *netdev)
1030{
1031        struct be_adapter *adapter = netdev_priv(netdev);
1032
1033        return adapter->msg_enable;
1034}
1035
1036static void be_set_msg_level(struct net_device *netdev, u32 level)
1037{
1038        struct be_adapter *adapter = netdev_priv(netdev);
1039
1040        if (adapter->msg_enable == level)
1041                return;
1042
1043        if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1044                if (BEx_chip(adapter))
1045                        be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1046                                                FW_LOG_LEVEL_DEFAULT :
1047                                                FW_LOG_LEVEL_FATAL);
1048        adapter->msg_enable = level;
1049}
1050
1051static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1052{
1053        u64 data = 0;
1054
1055        switch (flow_type) {
1056        case TCP_V4_FLOW:
1057                if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1058                        data |= RXH_IP_DST | RXH_IP_SRC;
1059                if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1060                        data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1061                break;
1062        case UDP_V4_FLOW:
1063                if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1064                        data |= RXH_IP_DST | RXH_IP_SRC;
1065                if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1066                        data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1067                break;
1068        case TCP_V6_FLOW:
1069                if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1070                        data |= RXH_IP_DST | RXH_IP_SRC;
1071                if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1072                        data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1073                break;
1074        case UDP_V6_FLOW:
1075                if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1076                        data |= RXH_IP_DST | RXH_IP_SRC;
1077                if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1078                        data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1079                break;
1080        }
1081
1082        return data;
1083}
1084
1085static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1086                        u32 *rule_locs)
1087{
1088        struct be_adapter *adapter = netdev_priv(netdev);
1089
1090        if (!be_multi_rxq(adapter)) {
1091                dev_info(&adapter->pdev->dev,
1092                         "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1093                return -EINVAL;
1094        }
1095
1096        switch (cmd->cmd) {
1097        case ETHTOOL_GRXFH:
1098                cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1099                break;
1100        case ETHTOOL_GRXRINGS:
1101                cmd->data = adapter->num_rx_qs - 1;
1102                break;
1103        default:
1104                return -EINVAL;
1105        }
1106
1107        return 0;
1108}
1109
1110static int be_set_rss_hash_opts(struct be_adapter *adapter,
1111                                struct ethtool_rxnfc *cmd)
1112{
1113        int status;
1114        u32 rss_flags = adapter->rss_info.rss_flags;
1115
1116        if (cmd->data != L3_RSS_FLAGS &&
1117            cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1118                return -EINVAL;
1119
1120        switch (cmd->flow_type) {
1121        case TCP_V4_FLOW:
1122                if (cmd->data == L3_RSS_FLAGS)
1123                        rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1124                else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1125                        rss_flags |= RSS_ENABLE_IPV4 |
1126                                        RSS_ENABLE_TCP_IPV4;
1127                break;
1128        case TCP_V6_FLOW:
1129                if (cmd->data == L3_RSS_FLAGS)
1130                        rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1131                else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1132                        rss_flags |= RSS_ENABLE_IPV6 |
1133                                        RSS_ENABLE_TCP_IPV6;
1134                break;
1135        case UDP_V4_FLOW:
1136                if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1137                    BEx_chip(adapter))
1138                        return -EINVAL;
1139
1140                if (cmd->data == L3_RSS_FLAGS)
1141                        rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1142                else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1143                        rss_flags |= RSS_ENABLE_IPV4 |
1144                                        RSS_ENABLE_UDP_IPV4;
1145                break;
1146        case UDP_V6_FLOW:
1147                if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1148                    BEx_chip(adapter))
1149                        return -EINVAL;
1150
1151                if (cmd->data == L3_RSS_FLAGS)
1152                        rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1153                else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1154                        rss_flags |= RSS_ENABLE_IPV6 |
1155                                        RSS_ENABLE_UDP_IPV6;
1156                break;
1157        default:
1158                return -EINVAL;
1159        }
1160
1161        if (rss_flags == adapter->rss_info.rss_flags)
1162                return 0;
1163
1164        status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1165                                   rss_flags, RSS_INDIR_TABLE_LEN,
1166                                   adapter->rss_info.rss_hkey);
1167        if (!status)
1168                adapter->rss_info.rss_flags = rss_flags;
1169
1170        return be_cmd_status(status);
1171}
1172
1173static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1174{
1175        struct be_adapter *adapter = netdev_priv(netdev);
1176        int status = 0;
1177
1178        if (!be_multi_rxq(adapter)) {
1179                dev_err(&adapter->pdev->dev,
1180                        "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1181                return -EINVAL;
1182        }
1183
1184        switch (cmd->cmd) {
1185        case ETHTOOL_SRXFH:
1186                status = be_set_rss_hash_opts(adapter, cmd);
1187                break;
1188        default:
1189                return -EINVAL;
1190        }
1191
1192        return status;
1193}
1194
1195static void be_get_channels(struct net_device *netdev,
1196                            struct ethtool_channels *ch)
1197{
1198        struct be_adapter *adapter = netdev_priv(netdev);
1199        u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1200
1201        /* num_tx_qs is always same as the number of irqs used for TX */
1202        ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1203        ch->rx_count = num_rx_irqs - ch->combined_count;
1204        ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1205
1206        ch->max_combined = be_max_qp_irqs(adapter);
1207        /* The user must create atleast one combined channel */
1208        ch->max_rx = be_max_rx_irqs(adapter) - 1;
1209        ch->max_tx = be_max_tx_irqs(adapter) - 1;
1210}
1211
1212static int be_set_channels(struct net_device  *netdev,
1213                           struct ethtool_channels *ch)
1214{
1215        struct be_adapter *adapter = netdev_priv(netdev);
1216        int status;
1217
1218        /* we support either only combined channels or a combination of
1219         * combined and either RX-only or TX-only channels.
1220         */
1221        if (ch->other_count || !ch->combined_count ||
1222            (ch->rx_count && ch->tx_count))
1223                return -EINVAL;
1224
1225        if (ch->combined_count > be_max_qp_irqs(adapter) ||
1226            (ch->rx_count &&
1227             (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1228            (ch->tx_count &&
1229             (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1230                return -EINVAL;
1231
1232        adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1233        adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1234
1235        status = be_update_queues(adapter);
1236        return be_cmd_status(status);
1237}
1238
1239static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1240{
1241        return RSS_INDIR_TABLE_LEN;
1242}
1243
1244static u32 be_get_rxfh_key_size(struct net_device *netdev)
1245{
1246        return RSS_HASH_KEY_LEN;
1247}
1248
1249static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1250                       u8 *hfunc)
1251{
1252        struct be_adapter *adapter = netdev_priv(netdev);
1253        int i;
1254        struct rss_info *rss = &adapter->rss_info;
1255
1256        if (indir) {
1257                for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1258                        indir[i] = rss->rss_queue[i];
1259        }
1260
1261        if (hkey)
1262                memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1263
1264        if (hfunc)
1265                *hfunc = ETH_RSS_HASH_TOP;
1266
1267        return 0;
1268}
1269
1270static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1271                       const u8 *hkey, const u8 hfunc)
1272{
1273        int rc = 0, i, j;
1274        struct be_adapter *adapter = netdev_priv(netdev);
1275        u8 rsstable[RSS_INDIR_TABLE_LEN];
1276
1277        /* We do not allow change in unsupported parameters */
1278        if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1279                return -EOPNOTSUPP;
1280
1281        if (indir) {
1282                struct be_rx_obj *rxo;
1283
1284                for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1285                        j = indir[i];
1286                        rxo = &adapter->rx_obj[j];
1287                        rsstable[i] = rxo->rss_id;
1288                        adapter->rss_info.rss_queue[i] = j;
1289                }
1290        } else {
1291                memcpy(rsstable, adapter->rss_info.rsstable,
1292                       RSS_INDIR_TABLE_LEN);
1293        }
1294
1295        if (!hkey)
1296                hkey =  adapter->rss_info.rss_hkey;
1297
1298        rc = be_cmd_rss_config(adapter, rsstable,
1299                               adapter->rss_info.rss_flags,
1300                               RSS_INDIR_TABLE_LEN, hkey);
1301        if (rc) {
1302                adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1303                return -EIO;
1304        }
1305        memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1306        memcpy(adapter->rss_info.rsstable, rsstable,
1307               RSS_INDIR_TABLE_LEN);
1308        return 0;
1309}
1310
1311static int be_get_module_info(struct net_device *netdev,
1312                              struct ethtool_modinfo *modinfo)
1313{
1314        struct be_adapter *adapter = netdev_priv(netdev);
1315        u8 page_data[PAGE_DATA_LEN];
1316        int status;
1317
1318        if (!check_privilege(adapter, MAX_PRIVILEGES))
1319                return -EOPNOTSUPP;
1320
1321        status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1322                                                   page_data);
1323        if (!status) {
1324                if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1325                        modinfo->type = ETH_MODULE_SFF_8079;
1326                        modinfo->eeprom_len = PAGE_DATA_LEN;
1327                } else {
1328                        modinfo->type = ETH_MODULE_SFF_8472;
1329                        modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1330                }
1331        }
1332        return be_cmd_status(status);
1333}
1334
1335static int be_get_module_eeprom(struct net_device *netdev,
1336                                struct ethtool_eeprom *eeprom, u8 *data)
1337{
1338        struct be_adapter *adapter = netdev_priv(netdev);
1339        int status;
1340
1341        if (!check_privilege(adapter, MAX_PRIVILEGES))
1342                return -EOPNOTSUPP;
1343
1344        status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1345                                                   data);
1346        if (status)
1347                goto err;
1348
1349        if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1350                status = be_cmd_read_port_transceiver_data(adapter,
1351                                                           TR_PAGE_A2,
1352                                                           data +
1353                                                           PAGE_DATA_LEN);
1354                if (status)
1355                        goto err;
1356        }
1357        if (eeprom->offset)
1358                memcpy(data, data + eeprom->offset, eeprom->len);
1359err:
1360        return be_cmd_status(status);
1361}
1362
1363const struct ethtool_ops be_ethtool_ops = {
1364        .get_settings = be_get_settings,
1365        .get_drvinfo = be_get_drvinfo,
1366        .get_wol = be_get_wol,
1367        .set_wol = be_set_wol,
1368        .get_link = ethtool_op_get_link,
1369        .get_eeprom_len = be_get_eeprom_len,
1370        .get_eeprom = be_read_eeprom,
1371        .get_coalesce = be_get_coalesce,
1372        .set_coalesce = be_set_coalesce,
1373        .get_ringparam = be_get_ringparam,
1374        .get_pauseparam = be_get_pauseparam,
1375        .set_pauseparam = be_set_pauseparam,
1376        .get_strings = be_get_stat_strings,
1377        .set_phys_id = be_set_phys_id,
1378        .set_dump = be_set_dump,
1379        .get_msglevel = be_get_msg_level,
1380        .set_msglevel = be_set_msg_level,
1381        .get_sset_count = be_get_sset_count,
1382        .get_ethtool_stats = be_get_ethtool_stats,
1383        .flash_device = be_do_flash,
1384        .self_test = be_self_test,
1385        .get_rxnfc = be_get_rxnfc,
1386        .set_rxnfc = be_set_rxnfc,
1387        .get_rxfh_indir_size = be_get_rxfh_indir_size,
1388        .get_rxfh_key_size = be_get_rxfh_key_size,
1389        .get_rxfh = be_get_rxfh,
1390        .set_rxfh = be_set_rxfh,
1391        .get_dump_flag = be_get_dump_flag,
1392        .get_dump_data = be_get_dump_data,
1393        .get_channels = be_get_channels,
1394        .set_channels = be_set_channels,
1395        .get_module_info = be_get_module_info,
1396        .get_module_eeprom = be_get_module_eeprom
1397};
1398