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                           struct kernel_ethtool_coalesce *kernel_coal,
 320                           struct netlink_ext_ack *extack)
 321{
 322        struct be_adapter *adapter = netdev_priv(netdev);
 323        struct be_aic_obj *aic = &adapter->aic_obj[0];
 324
 325        et->rx_coalesce_usecs = aic->prev_eqd;
 326        et->rx_coalesce_usecs_high = aic->max_eqd;
 327        et->rx_coalesce_usecs_low = aic->min_eqd;
 328
 329        et->tx_coalesce_usecs = aic->prev_eqd;
 330        et->tx_coalesce_usecs_high = aic->max_eqd;
 331        et->tx_coalesce_usecs_low = aic->min_eqd;
 332
 333        et->use_adaptive_rx_coalesce = adapter->aic_enabled;
 334        et->use_adaptive_tx_coalesce = adapter->aic_enabled;
 335
 336        return 0;
 337}
 338
 339/* TX attributes are ignored. Only RX attributes are considered
 340 * eqd cmd is issued in the worker thread.
 341 */
 342static int be_set_coalesce(struct net_device *netdev,
 343                           struct ethtool_coalesce *et,
 344                           struct kernel_ethtool_coalesce *kernel_coal,
 345                           struct netlink_ext_ack *extack)
 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        adapter->aic_enabled = et->use_adaptive_rx_coalesce;
 353
 354        for_all_evt_queues(adapter, eqo, i) {
 355                aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
 356                aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
 357                aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
 358                aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
 359                aic++;
 360        }
 361
 362        /* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled.
 363         * When AIC is disabled, persistently force set EQD value via the
 364         * FW cmd, so that we don't have to calculate the delay multiplier
 365         * encode value each time EQ_DB is rung
 366         */
 367        if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter))
 368                be_eqd_update(adapter, true);
 369
 370        return 0;
 371}
 372
 373static void be_get_ethtool_stats(struct net_device *netdev,
 374                                 struct ethtool_stats *stats, uint64_t *data)
 375{
 376        struct be_adapter *adapter = netdev_priv(netdev);
 377        struct be_rx_obj *rxo;
 378        struct be_tx_obj *txo;
 379        void *p;
 380        unsigned int i, j, base = 0, start;
 381
 382        for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 383                p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
 384                data[i] = *(u32 *)p;
 385        }
 386        base += ETHTOOL_STATS_NUM;
 387
 388        for_all_rx_queues(adapter, rxo, j) {
 389                struct be_rx_stats *stats = rx_stats(rxo);
 390
 391                do {
 392                        start = u64_stats_fetch_begin_irq(&stats->sync);
 393                        data[base] = stats->rx_bytes;
 394                        data[base + 1] = stats->rx_pkts;
 395                } while (u64_stats_fetch_retry_irq(&stats->sync, start));
 396
 397                for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
 398                        p = (u8 *)stats + et_rx_stats[i].offset;
 399                        data[base + i] = *(u32 *)p;
 400                }
 401                base += ETHTOOL_RXSTATS_NUM;
 402        }
 403
 404        for_all_tx_queues(adapter, txo, j) {
 405                struct be_tx_stats *stats = tx_stats(txo);
 406
 407                do {
 408                        start = u64_stats_fetch_begin_irq(&stats->sync_compl);
 409                        data[base] = stats->tx_compl;
 410                } while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
 411
 412                do {
 413                        start = u64_stats_fetch_begin_irq(&stats->sync);
 414                        for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
 415                                p = (u8 *)stats + et_tx_stats[i].offset;
 416                                data[base + i] =
 417                                        (et_tx_stats[i].size == sizeof(u64)) ?
 418                                                *(u64 *)p : *(u32 *)p;
 419                        }
 420                } while (u64_stats_fetch_retry_irq(&stats->sync, start));
 421                base += ETHTOOL_TXSTATS_NUM;
 422        }
 423}
 424
 425static const char be_priv_flags[][ETH_GSTRING_LEN] = {
 426        "disable-tpe-recovery"
 427};
 428
 429static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 430                                uint8_t *data)
 431{
 432        struct be_adapter *adapter = netdev_priv(netdev);
 433        int i, j;
 434
 435        switch (stringset) {
 436        case ETH_SS_STATS:
 437                for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 438                        memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
 439                        data += ETH_GSTRING_LEN;
 440                }
 441                for (i = 0; i < adapter->num_rx_qs; i++) {
 442                        for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
 443                                sprintf(data, "rxq%d: %s", i,
 444                                        et_rx_stats[j].desc);
 445                                data += ETH_GSTRING_LEN;
 446                        }
 447                }
 448                for (i = 0; i < adapter->num_tx_qs; i++) {
 449                        for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
 450                                sprintf(data, "txq%d: %s", i,
 451                                        et_tx_stats[j].desc);
 452                                data += ETH_GSTRING_LEN;
 453                        }
 454                }
 455                break;
 456        case ETH_SS_TEST:
 457                for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
 458                        memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
 459                        data += ETH_GSTRING_LEN;
 460                }
 461                break;
 462        case ETH_SS_PRIV_FLAGS:
 463                for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++)
 464                        strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]);
 465                break;
 466        }
 467}
 468
 469static int be_get_sset_count(struct net_device *netdev, int stringset)
 470{
 471        struct be_adapter *adapter = netdev_priv(netdev);
 472
 473        switch (stringset) {
 474        case ETH_SS_TEST:
 475                return ETHTOOL_TESTS_NUM;
 476        case ETH_SS_STATS:
 477                return ETHTOOL_STATS_NUM +
 478                        adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
 479                        adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
 480        case ETH_SS_PRIV_FLAGS:
 481                return ARRAY_SIZE(be_priv_flags);
 482        default:
 483                return -EINVAL;
 484        }
 485}
 486
 487static u32 be_get_port_type(struct be_adapter *adapter)
 488{
 489        u32 port;
 490
 491        switch (adapter->phy.interface_type) {
 492        case PHY_TYPE_BASET_1GB:
 493        case PHY_TYPE_BASEX_1GB:
 494        case PHY_TYPE_SGMII:
 495                port = PORT_TP;
 496                break;
 497        case PHY_TYPE_SFP_PLUS_10GB:
 498                if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
 499                        port = PORT_DA;
 500                else
 501                        port = PORT_FIBRE;
 502                break;
 503        case PHY_TYPE_QSFP:
 504                if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
 505                        port = PORT_DA;
 506                else
 507                        port = PORT_FIBRE;
 508                break;
 509        case PHY_TYPE_XFP_10GB:
 510        case PHY_TYPE_SFP_1GB:
 511                port = PORT_FIBRE;
 512                break;
 513        case PHY_TYPE_BASET_10GB:
 514                port = PORT_TP;
 515                break;
 516        default:
 517                port = PORT_OTHER;
 518        }
 519
 520        return port;
 521}
 522
 523static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
 524{
 525        u32 val = 0;
 526
 527        switch (adapter->phy.interface_type) {
 528        case PHY_TYPE_BASET_1GB:
 529        case PHY_TYPE_BASEX_1GB:
 530        case PHY_TYPE_SGMII:
 531                val |= SUPPORTED_TP;
 532                if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 533                        val |= SUPPORTED_1000baseT_Full;
 534                if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 535                        val |= SUPPORTED_100baseT_Full;
 536                if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
 537                        val |= SUPPORTED_10baseT_Full;
 538                break;
 539        case PHY_TYPE_KX4_10GB:
 540                val |= SUPPORTED_Backplane;
 541                if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 542                        val |= SUPPORTED_1000baseKX_Full;
 543                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 544                        val |= SUPPORTED_10000baseKX4_Full;
 545                break;
 546        case PHY_TYPE_KR2_20GB:
 547                val |= SUPPORTED_Backplane;
 548                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 549                        val |= SUPPORTED_10000baseKR_Full;
 550                if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
 551                        val |= SUPPORTED_20000baseKR2_Full;
 552                break;
 553        case PHY_TYPE_KR_10GB:
 554                val |= SUPPORTED_Backplane |
 555                                SUPPORTED_10000baseKR_Full;
 556                break;
 557        case PHY_TYPE_KR4_40GB:
 558                val |= SUPPORTED_Backplane;
 559                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 560                        val |= SUPPORTED_10000baseKR_Full;
 561                if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
 562                        val |= SUPPORTED_40000baseKR4_Full;
 563                break;
 564        case PHY_TYPE_QSFP:
 565                if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
 566                        switch (adapter->phy.cable_type) {
 567                        case QSFP_PLUS_CR4_CABLE:
 568                                val |= SUPPORTED_40000baseCR4_Full;
 569                                break;
 570                        case QSFP_PLUS_LR4_CABLE:
 571                                val |= SUPPORTED_40000baseLR4_Full;
 572                                break;
 573                        default:
 574                                val |= SUPPORTED_40000baseSR4_Full;
 575                                break;
 576                        }
 577                }
 578                fallthrough;
 579        case PHY_TYPE_SFP_PLUS_10GB:
 580        case PHY_TYPE_XFP_10GB:
 581        case PHY_TYPE_SFP_1GB:
 582                val |= SUPPORTED_FIBRE;
 583                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 584                        val |= SUPPORTED_10000baseT_Full;
 585                if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 586                        val |= SUPPORTED_1000baseT_Full;
 587                break;
 588        case PHY_TYPE_BASET_10GB:
 589                val |= SUPPORTED_TP;
 590                if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 591                        val |= SUPPORTED_10000baseT_Full;
 592                if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 593                        val |= SUPPORTED_1000baseT_Full;
 594                if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 595                        val |= SUPPORTED_100baseT_Full;
 596                break;
 597        default:
 598                val |= SUPPORTED_TP;
 599        }
 600
 601        return val;
 602}
 603
 604bool be_pause_supported(struct be_adapter *adapter)
 605{
 606        return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
 607                adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
 608                false : true;
 609}
 610
 611static int be_get_link_ksettings(struct net_device *netdev,
 612                                 struct ethtool_link_ksettings *cmd)
 613{
 614        struct be_adapter *adapter = netdev_priv(netdev);
 615        u8 link_status;
 616        u16 link_speed = 0;
 617        int status;
 618        u32 auto_speeds;
 619        u32 fixed_speeds;
 620        u32 supported = 0, advertising = 0;
 621
 622        if (adapter->phy.link_speed < 0) {
 623                status = be_cmd_link_status_query(adapter, &link_speed,
 624                                                  &link_status, 0);
 625                if (!status)
 626                        be_link_status_update(adapter, link_status);
 627                cmd->base.speed = link_speed;
 628
 629                status = be_cmd_get_phy_info(adapter);
 630                if (!status) {
 631                        auto_speeds = adapter->phy.auto_speeds_supported;
 632                        fixed_speeds = adapter->phy.fixed_speeds_supported;
 633
 634                        be_cmd_query_cable_type(adapter);
 635
 636                        supported =
 637                                convert_to_et_setting(adapter,
 638                                                      auto_speeds |
 639                                                      fixed_speeds);
 640                        advertising =
 641                                convert_to_et_setting(adapter, auto_speeds);
 642
 643                        cmd->base.port = be_get_port_type(adapter);
 644
 645                        if (adapter->phy.auto_speeds_supported) {
 646                                supported |= SUPPORTED_Autoneg;
 647                                cmd->base.autoneg = AUTONEG_ENABLE;
 648                                advertising |= ADVERTISED_Autoneg;
 649                        }
 650
 651                        supported |= SUPPORTED_Pause;
 652                        if (be_pause_supported(adapter))
 653                                advertising |= ADVERTISED_Pause;
 654                } else {
 655                        cmd->base.port = PORT_OTHER;
 656                        cmd->base.autoneg = AUTONEG_DISABLE;
 657                }
 658
 659                /* Save for future use */
 660                adapter->phy.link_speed = cmd->base.speed;
 661                adapter->phy.port_type = cmd->base.port;
 662                adapter->phy.autoneg = cmd->base.autoneg;
 663                adapter->phy.advertising = advertising;
 664                adapter->phy.supported = supported;
 665        } else {
 666                cmd->base.speed = adapter->phy.link_speed;
 667                cmd->base.port = adapter->phy.port_type;
 668                cmd->base.autoneg = adapter->phy.autoneg;
 669                advertising = adapter->phy.advertising;
 670                supported = adapter->phy.supported;
 671        }
 672
 673        cmd->base.duplex = netif_carrier_ok(netdev) ?
 674                DUPLEX_FULL : DUPLEX_UNKNOWN;
 675        cmd->base.phy_address = adapter->port_num;
 676
 677        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 678                                                supported);
 679        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 680                                                advertising);
 681
 682        return 0;
 683}
 684
 685static void be_get_ringparam(struct net_device *netdev,
 686                             struct ethtool_ringparam *ring)
 687{
 688        struct be_adapter *adapter = netdev_priv(netdev);
 689
 690        ring->rx_max_pending = adapter->rx_obj[0].q.len;
 691        ring->rx_pending = adapter->rx_obj[0].q.len;
 692        ring->tx_max_pending = adapter->tx_obj[0].q.len;
 693        ring->tx_pending = adapter->tx_obj[0].q.len;
 694}
 695
 696static void
 697be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 698{
 699        struct be_adapter *adapter = netdev_priv(netdev);
 700
 701        be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
 702        ecmd->autoneg = adapter->phy.fc_autoneg;
 703}
 704
 705static int
 706be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 707{
 708        struct be_adapter *adapter = netdev_priv(netdev);
 709        int status;
 710
 711        if (ecmd->autoneg != adapter->phy.fc_autoneg)
 712                return -EINVAL;
 713
 714        status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
 715                                         ecmd->rx_pause);
 716        if (status) {
 717                dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
 718                return be_cmd_status(status);
 719        }
 720
 721        adapter->tx_fc = ecmd->tx_pause;
 722        adapter->rx_fc = ecmd->rx_pause;
 723        return 0;
 724}
 725
 726static int be_set_phys_id(struct net_device *netdev,
 727                          enum ethtool_phys_id_state state)
 728{
 729        struct be_adapter *adapter = netdev_priv(netdev);
 730        int status = 0;
 731
 732        switch (state) {
 733        case ETHTOOL_ID_ACTIVE:
 734                status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
 735                                                 &adapter->beacon_state);
 736                if (status)
 737                        return be_cmd_status(status);
 738                return 1;       /* cycle on/off once per second */
 739
 740        case ETHTOOL_ID_ON:
 741                status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 742                                                 0, 0, BEACON_STATE_ENABLED);
 743                break;
 744
 745        case ETHTOOL_ID_OFF:
 746                status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 747                                                 0, 0, BEACON_STATE_DISABLED);
 748                break;
 749
 750        case ETHTOOL_ID_INACTIVE:
 751                status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 752                                                 0, 0, adapter->beacon_state);
 753        }
 754
 755        return be_cmd_status(status);
 756}
 757
 758static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
 759{
 760        struct be_adapter *adapter = netdev_priv(netdev);
 761        struct device *dev = &adapter->pdev->dev;
 762        int status;
 763
 764        if (!lancer_chip(adapter) ||
 765            !check_privilege(adapter, MAX_PRIVILEGES))
 766                return -EOPNOTSUPP;
 767
 768        switch (dump->flag) {
 769        case LANCER_INITIATE_FW_DUMP:
 770                status = lancer_initiate_dump(adapter);
 771                if (!status)
 772                        dev_info(dev, "FW dump initiated successfully\n");
 773                break;
 774        case LANCER_DELETE_FW_DUMP:
 775                status = lancer_delete_dump(adapter);
 776                if (!status)
 777                        dev_info(dev, "FW dump deleted successfully\n");
 778        break;
 779        default:
 780                dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
 781                return -EINVAL;
 782        }
 783        return status;
 784}
 785
 786static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 787{
 788        struct be_adapter *adapter = netdev_priv(netdev);
 789
 790        if (adapter->wol_cap & BE_WOL_CAP) {
 791                wol->supported |= WAKE_MAGIC;
 792                if (adapter->wol_en)
 793                        wol->wolopts |= WAKE_MAGIC;
 794        } else {
 795                wol->wolopts = 0;
 796        }
 797        memset(&wol->sopass, 0, sizeof(wol->sopass));
 798}
 799
 800static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 801{
 802        struct be_adapter *adapter = netdev_priv(netdev);
 803        struct device *dev = &adapter->pdev->dev;
 804        struct be_dma_mem cmd;
 805        u8 mac[ETH_ALEN];
 806        bool enable;
 807        int status;
 808
 809        if (wol->wolopts & ~WAKE_MAGIC)
 810                return -EOPNOTSUPP;
 811
 812        if (!(adapter->wol_cap & BE_WOL_CAP)) {
 813                dev_warn(&adapter->pdev->dev, "WOL not supported\n");
 814                return -EOPNOTSUPP;
 815        }
 816
 817        cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
 818        cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
 819        if (!cmd.va)
 820                return -ENOMEM;
 821
 822        eth_zero_addr(mac);
 823
 824        enable = wol->wolopts & WAKE_MAGIC;
 825        if (enable)
 826                ether_addr_copy(mac, adapter->netdev->dev_addr);
 827
 828        status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
 829        if (status) {
 830                dev_err(dev, "Could not set Wake-on-lan mac address\n");
 831                status = be_cmd_status(status);
 832                goto err;
 833        }
 834
 835        pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
 836        pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
 837
 838        adapter->wol_en = enable ? true : false;
 839
 840err:
 841        dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
 842        return status;
 843}
 844
 845static int be_test_ddr_dma(struct be_adapter *adapter)
 846{
 847        int ret, i;
 848        struct be_dma_mem ddrdma_cmd;
 849        static const u64 pattern[2] = {
 850                0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
 851        };
 852
 853        ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 854        ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
 855                                           ddrdma_cmd.size, &ddrdma_cmd.dma,
 856                                           GFP_KERNEL);
 857        if (!ddrdma_cmd.va)
 858                return -ENOMEM;
 859
 860        for (i = 0; i < 2; i++) {
 861                ret = be_cmd_ddr_dma_test(adapter, pattern[i],
 862                                          4096, &ddrdma_cmd);
 863                if (ret != 0)
 864                        goto err;
 865        }
 866
 867err:
 868        dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
 869                          ddrdma_cmd.dma);
 870        return be_cmd_status(ret);
 871}
 872
 873static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
 874                            u64 *status)
 875{
 876        int ret;
 877
 878        ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 879                                  loopback_type, 1);
 880        if (ret)
 881                return ret;
 882
 883        *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
 884                                       loopback_type, 1500, 2, 0xabc);
 885
 886        ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 887                                  BE_NO_LOOPBACK, 1);
 888        if (ret)
 889                return ret;
 890
 891        return *status;
 892}
 893
 894static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
 895                         u64 *data)
 896{
 897        struct be_adapter *adapter = netdev_priv(netdev);
 898        int status, cnt;
 899        u8 link_status = 0;
 900
 901        if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
 902                dev_err(&adapter->pdev->dev, "Self test not supported\n");
 903                test->flags |= ETH_TEST_FL_FAILED;
 904                return;
 905        }
 906
 907        memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
 908
 909        /* check link status before offline tests */
 910        link_status = netif_carrier_ok(netdev);
 911
 912        if (test->flags & ETH_TEST_FL_OFFLINE) {
 913                if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
 914                        test->flags |= ETH_TEST_FL_FAILED;
 915
 916                if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
 917                        test->flags |= ETH_TEST_FL_FAILED;
 918
 919                if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
 920                        if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
 921                                             &data[2]) != 0)
 922                                test->flags |= ETH_TEST_FL_FAILED;
 923                        test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
 924                }
 925        }
 926
 927        if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
 928                data[3] = 1;
 929                test->flags |= ETH_TEST_FL_FAILED;
 930        }
 931
 932        /* link status was down prior to test */
 933        if (!link_status) {
 934                test->flags |= ETH_TEST_FL_FAILED;
 935                data[4] = 1;
 936                return;
 937        }
 938
 939        for (cnt = 10; cnt; cnt--) {
 940                status = be_cmd_link_status_query(adapter, NULL, &link_status,
 941                                                  0);
 942                if (status) {
 943                        test->flags |= ETH_TEST_FL_FAILED;
 944                        data[4] = -1;
 945                        break;
 946                }
 947
 948                if (link_status)
 949                        break;
 950
 951                msleep_interruptible(500);
 952        }
 953}
 954
 955static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 956{
 957        struct be_adapter *adapter = netdev_priv(netdev);
 958
 959        return be_load_fw(adapter, efl->data);
 960}
 961
 962static int
 963be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
 964{
 965        struct be_adapter *adapter = netdev_priv(netdev);
 966
 967        if (!check_privilege(adapter, MAX_PRIVILEGES))
 968                return -EOPNOTSUPP;
 969
 970        dump->len = be_get_dump_len(adapter);
 971        dump->version = 1;
 972        dump->flag = 0x1;       /* FW dump is enabled */
 973        return 0;
 974}
 975
 976static int
 977be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
 978                 void *buf)
 979{
 980        struct be_adapter *adapter = netdev_priv(netdev);
 981        int status;
 982
 983        if (!check_privilege(adapter, MAX_PRIVILEGES))
 984                return -EOPNOTSUPP;
 985
 986        status = be_read_dump_data(adapter, dump->len, buf);
 987        return be_cmd_status(status);
 988}
 989
 990static int be_get_eeprom_len(struct net_device *netdev)
 991{
 992        struct be_adapter *adapter = netdev_priv(netdev);
 993
 994        if (!check_privilege(adapter, MAX_PRIVILEGES))
 995                return 0;
 996
 997        if (lancer_chip(adapter)) {
 998                if (be_physfn(adapter))
 999                        return lancer_cmd_get_file_len(adapter,
1000                                                       LANCER_VPD_PF_FILE);
1001                else
1002                        return lancer_cmd_get_file_len(adapter,
1003                                                       LANCER_VPD_VF_FILE);
1004        } else {
1005                return BE_READ_SEEPROM_LEN;
1006        }
1007}
1008
1009static int be_read_eeprom(struct net_device *netdev,
1010                          struct ethtool_eeprom *eeprom, uint8_t *data)
1011{
1012        struct be_adapter *adapter = netdev_priv(netdev);
1013        struct be_dma_mem eeprom_cmd;
1014        struct be_cmd_resp_seeprom_read *resp;
1015        int status;
1016
1017        if (!eeprom->len)
1018                return -EINVAL;
1019
1020        if (lancer_chip(adapter)) {
1021                if (be_physfn(adapter))
1022                        return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1023                                                    eeprom->len, data);
1024                else
1025                        return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1026                                                    eeprom->len, data);
1027        }
1028
1029        eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1030
1031        memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1032        eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1033        eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1034                                           eeprom_cmd.size, &eeprom_cmd.dma,
1035                                           GFP_KERNEL);
1036
1037        if (!eeprom_cmd.va)
1038                return -ENOMEM;
1039
1040        status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1041
1042        if (!status) {
1043                resp = eeprom_cmd.va;
1044                memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1045        }
1046        dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1047                          eeprom_cmd.dma);
1048
1049        return be_cmd_status(status);
1050}
1051
1052static u32 be_get_msg_level(struct net_device *netdev)
1053{
1054        struct be_adapter *adapter = netdev_priv(netdev);
1055
1056        return adapter->msg_enable;
1057}
1058
1059static void be_set_msg_level(struct net_device *netdev, u32 level)
1060{
1061        struct be_adapter *adapter = netdev_priv(netdev);
1062
1063        if (adapter->msg_enable == level)
1064                return;
1065
1066        if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1067                if (BEx_chip(adapter))
1068                        be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1069                                                FW_LOG_LEVEL_DEFAULT :
1070                                                FW_LOG_LEVEL_FATAL);
1071        adapter->msg_enable = level;
1072}
1073
1074static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1075{
1076        u64 data = 0;
1077
1078        switch (flow_type) {
1079        case TCP_V4_FLOW:
1080                if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1081                        data |= RXH_IP_DST | RXH_IP_SRC;
1082                if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1083                        data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1084                break;
1085        case UDP_V4_FLOW:
1086                if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1087                        data |= RXH_IP_DST | RXH_IP_SRC;
1088                if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1089                        data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1090                break;
1091        case TCP_V6_FLOW:
1092                if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1093                        data |= RXH_IP_DST | RXH_IP_SRC;
1094                if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1095                        data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1096                break;
1097        case UDP_V6_FLOW:
1098                if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1099                        data |= RXH_IP_DST | RXH_IP_SRC;
1100                if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1101                        data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1102                break;
1103        }
1104
1105        return data;
1106}
1107
1108static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1109                        u32 *rule_locs)
1110{
1111        struct be_adapter *adapter = netdev_priv(netdev);
1112
1113        if (!be_multi_rxq(adapter)) {
1114                dev_info(&adapter->pdev->dev,
1115                         "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1116                return -EINVAL;
1117        }
1118
1119        switch (cmd->cmd) {
1120        case ETHTOOL_GRXFH:
1121                cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1122                break;
1123        case ETHTOOL_GRXRINGS:
1124                cmd->data = adapter->num_rx_qs;
1125                break;
1126        default:
1127                return -EINVAL;
1128        }
1129
1130        return 0;
1131}
1132
1133static int be_set_rss_hash_opts(struct be_adapter *adapter,
1134                                struct ethtool_rxnfc *cmd)
1135{
1136        int status;
1137        u32 rss_flags = adapter->rss_info.rss_flags;
1138
1139        if (cmd->data != L3_RSS_FLAGS &&
1140            cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1141                return -EINVAL;
1142
1143        switch (cmd->flow_type) {
1144        case TCP_V4_FLOW:
1145                if (cmd->data == L3_RSS_FLAGS)
1146                        rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1147                else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1148                        rss_flags |= RSS_ENABLE_IPV4 |
1149                                        RSS_ENABLE_TCP_IPV4;
1150                break;
1151        case TCP_V6_FLOW:
1152                if (cmd->data == L3_RSS_FLAGS)
1153                        rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1154                else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1155                        rss_flags |= RSS_ENABLE_IPV6 |
1156                                        RSS_ENABLE_TCP_IPV6;
1157                break;
1158        case UDP_V4_FLOW:
1159                if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1160                    BEx_chip(adapter))
1161                        return -EINVAL;
1162
1163                if (cmd->data == L3_RSS_FLAGS)
1164                        rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1165                else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1166                        rss_flags |= RSS_ENABLE_IPV4 |
1167                                        RSS_ENABLE_UDP_IPV4;
1168                break;
1169        case UDP_V6_FLOW:
1170                if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1171                    BEx_chip(adapter))
1172                        return -EINVAL;
1173
1174                if (cmd->data == L3_RSS_FLAGS)
1175                        rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1176                else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1177                        rss_flags |= RSS_ENABLE_IPV6 |
1178                                        RSS_ENABLE_UDP_IPV6;
1179                break;
1180        default:
1181                return -EINVAL;
1182        }
1183
1184        if (rss_flags == adapter->rss_info.rss_flags)
1185                return 0;
1186
1187        status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1188                                   rss_flags, RSS_INDIR_TABLE_LEN,
1189                                   adapter->rss_info.rss_hkey);
1190        if (!status)
1191                adapter->rss_info.rss_flags = rss_flags;
1192
1193        return be_cmd_status(status);
1194}
1195
1196static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1197{
1198        struct be_adapter *adapter = netdev_priv(netdev);
1199        int status = 0;
1200
1201        if (!be_multi_rxq(adapter)) {
1202                dev_err(&adapter->pdev->dev,
1203                        "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1204                return -EINVAL;
1205        }
1206
1207        switch (cmd->cmd) {
1208        case ETHTOOL_SRXFH:
1209                status = be_set_rss_hash_opts(adapter, cmd);
1210                break;
1211        default:
1212                return -EINVAL;
1213        }
1214
1215        return status;
1216}
1217
1218static void be_get_channels(struct net_device *netdev,
1219                            struct ethtool_channels *ch)
1220{
1221        struct be_adapter *adapter = netdev_priv(netdev);
1222        u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1223
1224        /* num_tx_qs is always same as the number of irqs used for TX */
1225        ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1226        ch->rx_count = num_rx_irqs - ch->combined_count;
1227        ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1228
1229        ch->max_combined = be_max_qp_irqs(adapter);
1230        /* The user must create atleast one combined channel */
1231        ch->max_rx = be_max_rx_irqs(adapter) - 1;
1232        ch->max_tx = be_max_tx_irqs(adapter) - 1;
1233}
1234
1235static int be_set_channels(struct net_device  *netdev,
1236                           struct ethtool_channels *ch)
1237{
1238        struct be_adapter *adapter = netdev_priv(netdev);
1239        int status;
1240
1241        /* we support either only combined channels or a combination of
1242         * combined and either RX-only or TX-only channels.
1243         */
1244        if (ch->other_count || !ch->combined_count ||
1245            (ch->rx_count && ch->tx_count))
1246                return -EINVAL;
1247
1248        if (ch->combined_count > be_max_qp_irqs(adapter) ||
1249            (ch->rx_count &&
1250             (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1251            (ch->tx_count &&
1252             (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1253                return -EINVAL;
1254
1255        adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1256        adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1257
1258        status = be_update_queues(adapter);
1259        return be_cmd_status(status);
1260}
1261
1262static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1263{
1264        return RSS_INDIR_TABLE_LEN;
1265}
1266
1267static u32 be_get_rxfh_key_size(struct net_device *netdev)
1268{
1269        return RSS_HASH_KEY_LEN;
1270}
1271
1272static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1273                       u8 *hfunc)
1274{
1275        struct be_adapter *adapter = netdev_priv(netdev);
1276        int i;
1277        struct rss_info *rss = &adapter->rss_info;
1278
1279        if (indir) {
1280                for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1281                        indir[i] = rss->rss_queue[i];
1282        }
1283
1284        if (hkey)
1285                memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1286
1287        if (hfunc)
1288                *hfunc = ETH_RSS_HASH_TOP;
1289
1290        return 0;
1291}
1292
1293static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1294                       const u8 *hkey, const u8 hfunc)
1295{
1296        int rc = 0, i, j;
1297        struct be_adapter *adapter = netdev_priv(netdev);
1298        u8 rsstable[RSS_INDIR_TABLE_LEN];
1299
1300        /* We do not allow change in unsupported parameters */
1301        if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1302                return -EOPNOTSUPP;
1303
1304        if (indir) {
1305                struct be_rx_obj *rxo;
1306
1307                for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1308                        j = indir[i];
1309                        rxo = &adapter->rx_obj[j];
1310                        rsstable[i] = rxo->rss_id;
1311                        adapter->rss_info.rss_queue[i] = j;
1312                }
1313        } else {
1314                memcpy(rsstable, adapter->rss_info.rsstable,
1315                       RSS_INDIR_TABLE_LEN);
1316        }
1317
1318        if (!hkey)
1319                hkey =  adapter->rss_info.rss_hkey;
1320
1321        rc = be_cmd_rss_config(adapter, rsstable,
1322                               adapter->rss_info.rss_flags,
1323                               RSS_INDIR_TABLE_LEN, hkey);
1324        if (rc) {
1325                adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1326                return -EIO;
1327        }
1328        memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1329        memcpy(adapter->rss_info.rsstable, rsstable,
1330               RSS_INDIR_TABLE_LEN);
1331        return 0;
1332}
1333
1334static int be_get_module_info(struct net_device *netdev,
1335                              struct ethtool_modinfo *modinfo)
1336{
1337        struct be_adapter *adapter = netdev_priv(netdev);
1338        u8 page_data[PAGE_DATA_LEN];
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                                                   page_data);
1346        if (!status) {
1347                if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1348                        modinfo->type = ETH_MODULE_SFF_8079;
1349                        modinfo->eeprom_len = PAGE_DATA_LEN;
1350                } else {
1351                        modinfo->type = ETH_MODULE_SFF_8472;
1352                        modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1353                }
1354        }
1355        return be_cmd_status(status);
1356}
1357
1358static int be_get_module_eeprom(struct net_device *netdev,
1359                                struct ethtool_eeprom *eeprom, u8 *data)
1360{
1361        struct be_adapter *adapter = netdev_priv(netdev);
1362        int status;
1363
1364        if (!check_privilege(adapter, MAX_PRIVILEGES))
1365                return -EOPNOTSUPP;
1366
1367        status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1368                                                   data);
1369        if (status)
1370                goto err;
1371
1372        if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1373                status = be_cmd_read_port_transceiver_data(adapter,
1374                                                           TR_PAGE_A2,
1375                                                           data +
1376                                                           PAGE_DATA_LEN);
1377                if (status)
1378                        goto err;
1379        }
1380        if (eeprom->offset)
1381                memcpy(data, data + eeprom->offset, eeprom->len);
1382err:
1383        return be_cmd_status(status);
1384}
1385
1386static u32 be_get_priv_flags(struct net_device *netdev)
1387{
1388        struct be_adapter *adapter = netdev_priv(netdev);
1389
1390        return adapter->priv_flags;
1391}
1392
1393static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1394{
1395        struct be_adapter *adapter = netdev_priv(netdev);
1396        bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1397        bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1398
1399        if (tpe_old != tpe_new) {
1400                if (tpe_new) {
1401                        adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1402                        dev_info(&adapter->pdev->dev,
1403                                 "HW error recovery is disabled\n");
1404                } else {
1405                        adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1406                        dev_info(&adapter->pdev->dev,
1407                                 "HW error recovery is enabled\n");
1408                }
1409        }
1410
1411        return 0;
1412}
1413
1414const struct ethtool_ops be_ethtool_ops = {
1415        .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1416                                     ETHTOOL_COALESCE_USE_ADAPTIVE |
1417                                     ETHTOOL_COALESCE_USECS_LOW_HIGH,
1418        .get_drvinfo = be_get_drvinfo,
1419        .get_wol = be_get_wol,
1420        .set_wol = be_set_wol,
1421        .get_link = ethtool_op_get_link,
1422        .get_eeprom_len = be_get_eeprom_len,
1423        .get_eeprom = be_read_eeprom,
1424        .get_coalesce = be_get_coalesce,
1425        .set_coalesce = be_set_coalesce,
1426        .get_ringparam = be_get_ringparam,
1427        .get_pauseparam = be_get_pauseparam,
1428        .set_pauseparam = be_set_pauseparam,
1429        .set_priv_flags = be_set_priv_flags,
1430        .get_priv_flags = be_get_priv_flags,
1431        .get_strings = be_get_stat_strings,
1432        .set_phys_id = be_set_phys_id,
1433        .set_dump = be_set_dump,
1434        .get_msglevel = be_get_msg_level,
1435        .set_msglevel = be_set_msg_level,
1436        .get_sset_count = be_get_sset_count,
1437        .get_ethtool_stats = be_get_ethtool_stats,
1438        .flash_device = be_do_flash,
1439        .self_test = be_self_test,
1440        .get_rxnfc = be_get_rxnfc,
1441        .set_rxnfc = be_set_rxnfc,
1442        .get_rxfh_indir_size = be_get_rxfh_indir_size,
1443        .get_rxfh_key_size = be_get_rxfh_key_size,
1444        .get_rxfh = be_get_rxfh,
1445        .set_rxfh = be_set_rxfh,
1446        .get_dump_flag = be_get_dump_flag,
1447        .get_dump_data = be_get_dump_data,
1448        .get_channels = be_get_channels,
1449        .set_channels = be_set_channels,
1450        .get_module_info = be_get_module_info,
1451        .get_module_eeprom = be_get_module_eeprom,
1452        .get_link_ksettings = be_get_link_ksettings,
1453};
1454