linux/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
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   1/* bnx2x_ethtool.c: QLogic Everest network driver.
   2 *
   3 * Copyright (c) 2007-2013 Broadcom Corporation
   4 * Copyright (c) 2014 QLogic Corporation
   5 * All rights reserved
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation.
  10 *
  11 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
  12 * Written by: Eliezer Tamir
  13 * Based on code from Michael Chan's bnx2 driver
  14 * UDP CSUM errata workaround by Arik Gendelman
  15 * Slowpath and fastpath rework by Vladislav Zolotarov
  16 * Statistics and Link management by Yitchak Gertner
  17 *
  18 */
  19
  20#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  21
  22#include <linux/ethtool.h>
  23#include <linux/netdevice.h>
  24#include <linux/types.h>
  25#include <linux/sched.h>
  26#include <linux/crc32.h>
  27#include "bnx2x.h"
  28#include "bnx2x_cmn.h"
  29#include "bnx2x_dump.h"
  30#include "bnx2x_init.h"
  31
  32/* Note: in the format strings below %s is replaced by the queue-name which is
  33 * either its index or 'fcoe' for the fcoe queue. Make sure the format string
  34 * length does not exceed ETH_GSTRING_LEN - MAX_QUEUE_NAME_LEN + 2
  35 */
  36#define MAX_QUEUE_NAME_LEN      4
  37static const struct {
  38        long offset;
  39        int size;
  40        char string[ETH_GSTRING_LEN];
  41} bnx2x_q_stats_arr[] = {
  42/* 1 */ { Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%s]: rx_bytes" },
  43        { Q_STATS_OFFSET32(total_unicast_packets_received_hi),
  44                                                8, "[%s]: rx_ucast_packets" },
  45        { Q_STATS_OFFSET32(total_multicast_packets_received_hi),
  46                                                8, "[%s]: rx_mcast_packets" },
  47        { Q_STATS_OFFSET32(total_broadcast_packets_received_hi),
  48                                                8, "[%s]: rx_bcast_packets" },
  49        { Q_STATS_OFFSET32(no_buff_discard_hi), 8, "[%s]: rx_discards" },
  50        { Q_STATS_OFFSET32(rx_err_discard_pkt),
  51                                         4, "[%s]: rx_phy_ip_err_discards"},
  52        { Q_STATS_OFFSET32(rx_skb_alloc_failed),
  53                                         4, "[%s]: rx_skb_alloc_discard" },
  54        { Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" },
  55        { Q_STATS_OFFSET32(driver_xoff), 4, "[%s]: tx_exhaustion_events" },
  56        { Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%s]: tx_bytes" },
  57/* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi),
  58                                                8, "[%s]: tx_ucast_packets" },
  59        { Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi),
  60                                                8, "[%s]: tx_mcast_packets" },
  61        { Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
  62                                                8, "[%s]: tx_bcast_packets" },
  63        { Q_STATS_OFFSET32(total_tpa_aggregations_hi),
  64                                                8, "[%s]: tpa_aggregations" },
  65        { Q_STATS_OFFSET32(total_tpa_aggregated_frames_hi),
  66                                        8, "[%s]: tpa_aggregated_frames"},
  67        { Q_STATS_OFFSET32(total_tpa_bytes_hi), 8, "[%s]: tpa_bytes"},
  68        { Q_STATS_OFFSET32(driver_filtered_tx_pkt),
  69                                        4, "[%s]: driver_filtered_tx_pkt" }
  70};
  71
  72#define BNX2X_NUM_Q_STATS ARRAY_SIZE(bnx2x_q_stats_arr)
  73
  74static const struct {
  75        long offset;
  76        int size;
  77        bool is_port_stat;
  78        char string[ETH_GSTRING_LEN];
  79} bnx2x_stats_arr[] = {
  80/* 1 */ { STATS_OFFSET32(total_bytes_received_hi),
  81                                8, false, "rx_bytes" },
  82        { STATS_OFFSET32(error_bytes_received_hi),
  83                                8, false, "rx_error_bytes" },
  84        { STATS_OFFSET32(total_unicast_packets_received_hi),
  85                                8, false, "rx_ucast_packets" },
  86        { STATS_OFFSET32(total_multicast_packets_received_hi),
  87                                8, false, "rx_mcast_packets" },
  88        { STATS_OFFSET32(total_broadcast_packets_received_hi),
  89                                8, false, "rx_bcast_packets" },
  90        { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
  91                                8, true, "rx_crc_errors" },
  92        { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
  93                                8, true, "rx_align_errors" },
  94        { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
  95                                8, true, "rx_undersize_packets" },
  96        { STATS_OFFSET32(etherstatsoverrsizepkts_hi),
  97                                8, true, "rx_oversize_packets" },
  98/* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
  99                                8, true, "rx_fragments" },
 100        { STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
 101                                8, true, "rx_jabbers" },
 102        { STATS_OFFSET32(no_buff_discard_hi),
 103                                8, false, "rx_discards" },
 104        { STATS_OFFSET32(mac_filter_discard),
 105                                4, true, "rx_filtered_packets" },
 106        { STATS_OFFSET32(mf_tag_discard),
 107                                4, true, "rx_mf_tag_discard" },
 108        { STATS_OFFSET32(pfc_frames_received_hi),
 109                                8, true, "pfc_frames_received" },
 110        { STATS_OFFSET32(pfc_frames_sent_hi),
 111                                8, true, "pfc_frames_sent" },
 112        { STATS_OFFSET32(brb_drop_hi),
 113                                8, true, "rx_brb_discard" },
 114        { STATS_OFFSET32(brb_truncate_hi),
 115                                8, true, "rx_brb_truncate" },
 116        { STATS_OFFSET32(pause_frames_received_hi),
 117                                8, true, "rx_pause_frames" },
 118        { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
 119                                8, true, "rx_mac_ctrl_frames" },
 120        { STATS_OFFSET32(nig_timer_max),
 121                                4, true, "rx_constant_pause_events" },
 122/* 20 */{ STATS_OFFSET32(rx_err_discard_pkt),
 123                                4, false, "rx_phy_ip_err_discards"},
 124        { STATS_OFFSET32(rx_skb_alloc_failed),
 125                                4, false, "rx_skb_alloc_discard" },
 126        { STATS_OFFSET32(hw_csum_err),
 127                                4, false, "rx_csum_offload_errors" },
 128        { STATS_OFFSET32(driver_xoff),
 129                                4, false, "tx_exhaustion_events" },
 130        { STATS_OFFSET32(total_bytes_transmitted_hi),
 131                                8, false, "tx_bytes" },
 132        { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
 133                                8, true, "tx_error_bytes" },
 134        { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
 135                                8, false, "tx_ucast_packets" },
 136        { STATS_OFFSET32(total_multicast_packets_transmitted_hi),
 137                                8, false, "tx_mcast_packets" },
 138        { STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
 139                                8, false, "tx_bcast_packets" },
 140        { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
 141                                8, true, "tx_mac_errors" },
 142        { STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
 143                                8, true, "tx_carrier_errors" },
 144/* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
 145                                8, true, "tx_single_collisions" },
 146        { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
 147                                8, true, "tx_multi_collisions" },
 148        { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
 149                                8, true, "tx_deferred" },
 150        { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
 151                                8, true, "tx_excess_collisions" },
 152        { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
 153                                8, true, "tx_late_collisions" },
 154        { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
 155                                8, true, "tx_total_collisions" },
 156        { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
 157                                8, true, "tx_64_byte_packets" },
 158        { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
 159                                8, true, "tx_65_to_127_byte_packets" },
 160        { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
 161                                8, true, "tx_128_to_255_byte_packets" },
 162        { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
 163                                8, true, "tx_256_to_511_byte_packets" },
 164/* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
 165                                8, true, "tx_512_to_1023_byte_packets" },
 166        { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
 167                                8, true, "tx_1024_to_1522_byte_packets" },
 168        { STATS_OFFSET32(etherstatspktsover1522octets_hi),
 169                                8, true, "tx_1523_to_9022_byte_packets" },
 170        { STATS_OFFSET32(pause_frames_sent_hi),
 171                                8, true, "tx_pause_frames" },
 172        { STATS_OFFSET32(total_tpa_aggregations_hi),
 173                                8, false, "tpa_aggregations" },
 174        { STATS_OFFSET32(total_tpa_aggregated_frames_hi),
 175                                8, false, "tpa_aggregated_frames"},
 176        { STATS_OFFSET32(total_tpa_bytes_hi),
 177                                8, false, "tpa_bytes"},
 178        { STATS_OFFSET32(recoverable_error),
 179                                4, false, "recoverable_errors" },
 180        { STATS_OFFSET32(unrecoverable_error),
 181                                4, false, "unrecoverable_errors" },
 182        { STATS_OFFSET32(driver_filtered_tx_pkt),
 183                                4, false, "driver_filtered_tx_pkt" },
 184        { STATS_OFFSET32(eee_tx_lpi),
 185                                4, true, "Tx LPI entry count"}
 186};
 187
 188#define BNX2X_NUM_STATS         ARRAY_SIZE(bnx2x_stats_arr)
 189
 190static int bnx2x_get_port_type(struct bnx2x *bp)
 191{
 192        int port_type;
 193        u32 phy_idx = bnx2x_get_cur_phy_idx(bp);
 194        switch (bp->link_params.phy[phy_idx].media_type) {
 195        case ETH_PHY_SFPP_10G_FIBER:
 196        case ETH_PHY_SFP_1G_FIBER:
 197        case ETH_PHY_XFP_FIBER:
 198        case ETH_PHY_KR:
 199        case ETH_PHY_CX4:
 200                port_type = PORT_FIBRE;
 201                break;
 202        case ETH_PHY_DA_TWINAX:
 203                port_type = PORT_DA;
 204                break;
 205        case ETH_PHY_BASE_T:
 206                port_type = PORT_TP;
 207                break;
 208        case ETH_PHY_NOT_PRESENT:
 209                port_type = PORT_NONE;
 210                break;
 211        case ETH_PHY_UNSPECIFIED:
 212        default:
 213                port_type = PORT_OTHER;
 214                break;
 215        }
 216        return port_type;
 217}
 218
 219static int bnx2x_get_vf_link_ksettings(struct net_device *dev,
 220                                       struct ethtool_link_ksettings *cmd)
 221{
 222        struct bnx2x *bp = netdev_priv(dev);
 223        u32 supported, advertising;
 224
 225        ethtool_convert_link_mode_to_legacy_u32(&supported,
 226                                                cmd->link_modes.supported);
 227        ethtool_convert_link_mode_to_legacy_u32(&advertising,
 228                                                cmd->link_modes.advertising);
 229
 230        if (bp->state == BNX2X_STATE_OPEN) {
 231                if (test_bit(BNX2X_LINK_REPORT_FD,
 232                             &bp->vf_link_vars.link_report_flags))
 233                        cmd->base.duplex = DUPLEX_FULL;
 234                else
 235                        cmd->base.duplex = DUPLEX_HALF;
 236
 237                cmd->base.speed = bp->vf_link_vars.line_speed;
 238        } else {
 239                cmd->base.duplex = DUPLEX_UNKNOWN;
 240                cmd->base.speed = SPEED_UNKNOWN;
 241        }
 242
 243        cmd->base.port          = PORT_OTHER;
 244        cmd->base.phy_address   = 0;
 245        cmd->base.autoneg       = AUTONEG_DISABLE;
 246
 247        DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
 248           "  supported 0x%x  advertising 0x%x  speed %u\n"
 249           "  duplex %d  port %d  phy_address %d\n"
 250           "  autoneg %d\n",
 251           cmd->base.cmd, supported, advertising,
 252           cmd->base.speed,
 253           cmd->base.duplex, cmd->base.port, cmd->base.phy_address,
 254           cmd->base.autoneg);
 255
 256        return 0;
 257}
 258
 259static int bnx2x_get_link_ksettings(struct net_device *dev,
 260                                    struct ethtool_link_ksettings *cmd)
 261{
 262        struct bnx2x *bp = netdev_priv(dev);
 263        int cfg_idx = bnx2x_get_link_cfg_idx(bp);
 264        u32 media_type;
 265        u32 supported, advertising, lp_advertising;
 266
 267        ethtool_convert_link_mode_to_legacy_u32(&lp_advertising,
 268                                                cmd->link_modes.lp_advertising);
 269
 270        /* Dual Media boards present all available port types */
 271        supported = bp->port.supported[cfg_idx] |
 272                (bp->port.supported[cfg_idx ^ 1] &
 273                 (SUPPORTED_TP | SUPPORTED_FIBRE));
 274        advertising = bp->port.advertising[cfg_idx];
 275        media_type = bp->link_params.phy[bnx2x_get_cur_phy_idx(bp)].media_type;
 276        if (media_type == ETH_PHY_SFP_1G_FIBER) {
 277                supported &= ~(SUPPORTED_10000baseT_Full);
 278                advertising &= ~(ADVERTISED_10000baseT_Full);
 279        }
 280
 281        if ((bp->state == BNX2X_STATE_OPEN) && bp->link_vars.link_up &&
 282            !(bp->flags & MF_FUNC_DIS)) {
 283                cmd->base.duplex = bp->link_vars.duplex;
 284
 285                if (IS_MF(bp) && !BP_NOMCP(bp))
 286                        cmd->base.speed = bnx2x_get_mf_speed(bp);
 287                else
 288                        cmd->base.speed = bp->link_vars.line_speed;
 289        } else {
 290                cmd->base.duplex = DUPLEX_UNKNOWN;
 291                cmd->base.speed = SPEED_UNKNOWN;
 292        }
 293
 294        cmd->base.port = bnx2x_get_port_type(bp);
 295
 296        cmd->base.phy_address = bp->mdio.prtad;
 297
 298        if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG)
 299                cmd->base.autoneg = AUTONEG_ENABLE;
 300        else
 301                cmd->base.autoneg = AUTONEG_DISABLE;
 302
 303        /* Publish LP advertised speeds and FC */
 304        if (bp->link_vars.link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
 305                u32 status = bp->link_vars.link_status;
 306
 307                lp_advertising |= ADVERTISED_Autoneg;
 308                if (status & LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE)
 309                        lp_advertising |= ADVERTISED_Pause;
 310                if (status & LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
 311                        lp_advertising |= ADVERTISED_Asym_Pause;
 312
 313                if (status & LINK_STATUS_LINK_PARTNER_10THD_CAPABLE)
 314                        lp_advertising |= ADVERTISED_10baseT_Half;
 315                if (status & LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE)
 316                        lp_advertising |= ADVERTISED_10baseT_Full;
 317                if (status & LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE)
 318                        lp_advertising |= ADVERTISED_100baseT_Half;
 319                if (status & LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE)
 320                        lp_advertising |= ADVERTISED_100baseT_Full;
 321                if (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE)
 322                        lp_advertising |= ADVERTISED_1000baseT_Half;
 323                if (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) {
 324                        if (media_type == ETH_PHY_KR) {
 325                                lp_advertising |=
 326                                        ADVERTISED_1000baseKX_Full;
 327                        } else {
 328                                lp_advertising |=
 329                                        ADVERTISED_1000baseT_Full;
 330                        }
 331                }
 332                if (status & LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE)
 333                        lp_advertising |= ADVERTISED_2500baseX_Full;
 334                if (status & LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE) {
 335                        if (media_type == ETH_PHY_KR) {
 336                                lp_advertising |=
 337                                        ADVERTISED_10000baseKR_Full;
 338                        } else {
 339                                lp_advertising |=
 340                                        ADVERTISED_10000baseT_Full;
 341                        }
 342                }
 343                if (status & LINK_STATUS_LINK_PARTNER_20GXFD_CAPABLE)
 344                        lp_advertising |= ADVERTISED_20000baseKR2_Full;
 345        }
 346
 347        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 348                                                supported);
 349        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 350                                                advertising);
 351        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
 352                                                lp_advertising);
 353
 354        DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
 355           "  supported 0x%x  advertising 0x%x  speed %u\n"
 356           "  duplex %d  port %d  phy_address %d\n"
 357           "  autoneg %d\n",
 358           cmd->base.cmd, supported, advertising,
 359           cmd->base.speed,
 360           cmd->base.duplex, cmd->base.port, cmd->base.phy_address,
 361           cmd->base.autoneg);
 362
 363        return 0;
 364}
 365
 366static int bnx2x_set_link_ksettings(struct net_device *dev,
 367                                    const struct ethtool_link_ksettings *cmd)
 368{
 369        struct bnx2x *bp = netdev_priv(dev);
 370        u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config;
 371        u32 speed, phy_idx;
 372        u32 supported;
 373        u8 duplex = cmd->base.duplex;
 374
 375        ethtool_convert_link_mode_to_legacy_u32(&supported,
 376                                                cmd->link_modes.supported);
 377        ethtool_convert_link_mode_to_legacy_u32(&advertising,
 378                                                cmd->link_modes.advertising);
 379
 380        if (IS_MF_SD(bp))
 381                return 0;
 382
 383        DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
 384           "  supported 0x%x  advertising 0x%x  speed %u\n"
 385           "  duplex %d  port %d  phy_address %d\n"
 386           "  autoneg %d\n",
 387           cmd->base.cmd, supported, advertising,
 388           cmd->base.speed,
 389           cmd->base.duplex, cmd->base.port, cmd->base.phy_address,
 390           cmd->base.autoneg);
 391
 392        speed = cmd->base.speed;
 393
 394        /* If received a request for an unknown duplex, assume full*/
 395        if (duplex == DUPLEX_UNKNOWN)
 396                duplex = DUPLEX_FULL;
 397
 398        if (IS_MF_SI(bp)) {
 399                u32 part;
 400                u32 line_speed = bp->link_vars.line_speed;
 401
 402                /* use 10G if no link detected */
 403                if (!line_speed)
 404                        line_speed = 10000;
 405
 406                if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) {
 407                        DP(BNX2X_MSG_ETHTOOL,
 408                           "To set speed BC %X or higher is required, please upgrade BC\n",
 409                           REQ_BC_VER_4_SET_MF_BW);
 410                        return -EINVAL;
 411                }
 412
 413                part = (speed * 100) / line_speed;
 414
 415                if (line_speed < speed || !part) {
 416                        DP(BNX2X_MSG_ETHTOOL,
 417                           "Speed setting should be in a range from 1%% to 100%% of actual line speed\n");
 418                        return -EINVAL;
 419                }
 420
 421                if (bp->state != BNX2X_STATE_OPEN)
 422                        /* store value for following "load" */
 423                        bp->pending_max = part;
 424                else
 425                        bnx2x_update_max_mf_config(bp, part);
 426
 427                return 0;
 428        }
 429
 430        cfg_idx = bnx2x_get_link_cfg_idx(bp);
 431        old_multi_phy_config = bp->link_params.multi_phy_config;
 432        if (cmd->base.port != bnx2x_get_port_type(bp)) {
 433                switch (cmd->base.port) {
 434                case PORT_TP:
 435                        if (!(bp->port.supported[0] & SUPPORTED_TP ||
 436                              bp->port.supported[1] & SUPPORTED_TP)) {
 437                                DP(BNX2X_MSG_ETHTOOL,
 438                                   "Unsupported port type\n");
 439                                return -EINVAL;
 440                        }
 441                        bp->link_params.multi_phy_config &=
 442                                ~PORT_HW_CFG_PHY_SELECTION_MASK;
 443                        if (bp->link_params.multi_phy_config &
 444                            PORT_HW_CFG_PHY_SWAPPED_ENABLED)
 445                                bp->link_params.multi_phy_config |=
 446                                PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
 447                        else
 448                                bp->link_params.multi_phy_config |=
 449                                PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
 450                        break;
 451                case PORT_FIBRE:
 452                case PORT_DA:
 453                case PORT_NONE:
 454                        if (!(bp->port.supported[0] & SUPPORTED_FIBRE ||
 455                              bp->port.supported[1] & SUPPORTED_FIBRE)) {
 456                                DP(BNX2X_MSG_ETHTOOL,
 457                                   "Unsupported port type\n");
 458                                return -EINVAL;
 459                        }
 460                        bp->link_params.multi_phy_config &=
 461                                ~PORT_HW_CFG_PHY_SELECTION_MASK;
 462                        if (bp->link_params.multi_phy_config &
 463                            PORT_HW_CFG_PHY_SWAPPED_ENABLED)
 464                                bp->link_params.multi_phy_config |=
 465                                PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
 466                        else
 467                                bp->link_params.multi_phy_config |=
 468                                PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
 469                        break;
 470                default:
 471                        DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n");
 472                        return -EINVAL;
 473                }
 474        }
 475        /* Save new config in case command complete successfully */
 476        new_multi_phy_config = bp->link_params.multi_phy_config;
 477        /* Get the new cfg_idx */
 478        cfg_idx = bnx2x_get_link_cfg_idx(bp);
 479        /* Restore old config in case command failed */
 480        bp->link_params.multi_phy_config = old_multi_phy_config;
 481        DP(BNX2X_MSG_ETHTOOL, "cfg_idx = %x\n", cfg_idx);
 482
 483        if (cmd->base.autoneg == AUTONEG_ENABLE) {
 484                u32 an_supported_speed = bp->port.supported[cfg_idx];
 485                if (bp->link_params.phy[EXT_PHY1].type ==
 486                    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
 487                        an_supported_speed |= (SUPPORTED_100baseT_Half |
 488                                               SUPPORTED_100baseT_Full);
 489                if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
 490                        DP(BNX2X_MSG_ETHTOOL, "Autoneg not supported\n");
 491                        return -EINVAL;
 492                }
 493
 494                /* advertise the requested speed and duplex if supported */
 495                if (advertising & ~an_supported_speed) {
 496                        DP(BNX2X_MSG_ETHTOOL,
 497                           "Advertisement parameters are not supported\n");
 498                        return -EINVAL;
 499                }
 500
 501                bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
 502                bp->link_params.req_duplex[cfg_idx] = duplex;
 503                bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg |
 504                                         advertising);
 505                if (advertising) {
 506
 507                        bp->link_params.speed_cap_mask[cfg_idx] = 0;
 508                        if (advertising & ADVERTISED_10baseT_Half) {
 509                                bp->link_params.speed_cap_mask[cfg_idx] |=
 510                                PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF;
 511                        }
 512                        if (advertising & ADVERTISED_10baseT_Full)
 513                                bp->link_params.speed_cap_mask[cfg_idx] |=
 514                                PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL;
 515
 516                        if (advertising & ADVERTISED_100baseT_Full)
 517                                bp->link_params.speed_cap_mask[cfg_idx] |=
 518                                PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL;
 519
 520                        if (advertising & ADVERTISED_100baseT_Half) {
 521                                bp->link_params.speed_cap_mask[cfg_idx] |=
 522                                     PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF;
 523                        }
 524                        if (advertising & ADVERTISED_1000baseT_Half) {
 525                                bp->link_params.speed_cap_mask[cfg_idx] |=
 526                                        PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
 527                        }
 528                        if (advertising & (ADVERTISED_1000baseT_Full |
 529                                                ADVERTISED_1000baseKX_Full))
 530                                bp->link_params.speed_cap_mask[cfg_idx] |=
 531                                        PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
 532
 533                        if (advertising & (ADVERTISED_10000baseT_Full |
 534                                                ADVERTISED_10000baseKX4_Full |
 535                                                ADVERTISED_10000baseKR_Full))
 536                                bp->link_params.speed_cap_mask[cfg_idx] |=
 537                                        PORT_HW_CFG_SPEED_CAPABILITY_D0_10G;
 538
 539                        if (advertising & ADVERTISED_20000baseKR2_Full)
 540                                bp->link_params.speed_cap_mask[cfg_idx] |=
 541                                        PORT_HW_CFG_SPEED_CAPABILITY_D0_20G;
 542                }
 543        } else { /* forced speed */
 544                /* advertise the requested speed and duplex if supported */
 545                switch (speed) {
 546                case SPEED_10:
 547                        if (duplex == DUPLEX_FULL) {
 548                                if (!(bp->port.supported[cfg_idx] &
 549                                      SUPPORTED_10baseT_Full)) {
 550                                        DP(BNX2X_MSG_ETHTOOL,
 551                                           "10M full not supported\n");
 552                                        return -EINVAL;
 553                                }
 554
 555                                advertising = (ADVERTISED_10baseT_Full |
 556                                               ADVERTISED_TP);
 557                        } else {
 558                                if (!(bp->port.supported[cfg_idx] &
 559                                      SUPPORTED_10baseT_Half)) {
 560                                        DP(BNX2X_MSG_ETHTOOL,
 561                                           "10M half not supported\n");
 562                                        return -EINVAL;
 563                                }
 564
 565                                advertising = (ADVERTISED_10baseT_Half |
 566                                               ADVERTISED_TP);
 567                        }
 568                        break;
 569
 570                case SPEED_100:
 571                        if (duplex == DUPLEX_FULL) {
 572                                if (!(bp->port.supported[cfg_idx] &
 573                                                SUPPORTED_100baseT_Full)) {
 574                                        DP(BNX2X_MSG_ETHTOOL,
 575                                           "100M full not supported\n");
 576                                        return -EINVAL;
 577                                }
 578
 579                                advertising = (ADVERTISED_100baseT_Full |
 580                                               ADVERTISED_TP);
 581                        } else {
 582                                if (!(bp->port.supported[cfg_idx] &
 583                                                SUPPORTED_100baseT_Half)) {
 584                                        DP(BNX2X_MSG_ETHTOOL,
 585                                           "100M half not supported\n");
 586                                        return -EINVAL;
 587                                }
 588
 589                                advertising = (ADVERTISED_100baseT_Half |
 590                                               ADVERTISED_TP);
 591                        }
 592                        break;
 593
 594                case SPEED_1000:
 595                        if (duplex != DUPLEX_FULL) {
 596                                DP(BNX2X_MSG_ETHTOOL,
 597                                   "1G half not supported\n");
 598                                return -EINVAL;
 599                        }
 600
 601                        if (bp->port.supported[cfg_idx] &
 602                             SUPPORTED_1000baseT_Full) {
 603                                advertising = (ADVERTISED_1000baseT_Full |
 604                                               ADVERTISED_TP);
 605
 606                        } else if (bp->port.supported[cfg_idx] &
 607                                   SUPPORTED_1000baseKX_Full) {
 608                                advertising = ADVERTISED_1000baseKX_Full;
 609                        } else {
 610                                DP(BNX2X_MSG_ETHTOOL,
 611                                   "1G full not supported\n");
 612                                return -EINVAL;
 613                        }
 614
 615                        break;
 616
 617                case SPEED_2500:
 618                        if (duplex != DUPLEX_FULL) {
 619                                DP(BNX2X_MSG_ETHTOOL,
 620                                   "2.5G half not supported\n");
 621                                return -EINVAL;
 622                        }
 623
 624                        if (!(bp->port.supported[cfg_idx]
 625                              & SUPPORTED_2500baseX_Full)) {
 626                                DP(BNX2X_MSG_ETHTOOL,
 627                                   "2.5G full not supported\n");
 628                                return -EINVAL;
 629                        }
 630
 631                        advertising = (ADVERTISED_2500baseX_Full |
 632                                       ADVERTISED_TP);
 633                        break;
 634
 635                case SPEED_10000:
 636                        if (duplex != DUPLEX_FULL) {
 637                                DP(BNX2X_MSG_ETHTOOL,
 638                                   "10G half not supported\n");
 639                                return -EINVAL;
 640                        }
 641                        phy_idx = bnx2x_get_cur_phy_idx(bp);
 642                        if ((bp->port.supported[cfg_idx] &
 643                             SUPPORTED_10000baseT_Full) &&
 644                            (bp->link_params.phy[phy_idx].media_type !=
 645                             ETH_PHY_SFP_1G_FIBER)) {
 646                                advertising = (ADVERTISED_10000baseT_Full |
 647                                               ADVERTISED_FIBRE);
 648                        } else if (bp->port.supported[cfg_idx] &
 649                               SUPPORTED_10000baseKR_Full) {
 650                                advertising = (ADVERTISED_10000baseKR_Full |
 651                                               ADVERTISED_FIBRE);
 652                        } else {
 653                                DP(BNX2X_MSG_ETHTOOL,
 654                                   "10G full not supported\n");
 655                                return -EINVAL;
 656                        }
 657
 658                        break;
 659
 660                default:
 661                        DP(BNX2X_MSG_ETHTOOL, "Unsupported speed %u\n", speed);
 662                        return -EINVAL;
 663                }
 664
 665                bp->link_params.req_line_speed[cfg_idx] = speed;
 666                bp->link_params.req_duplex[cfg_idx] = duplex;
 667                bp->port.advertising[cfg_idx] = advertising;
 668        }
 669
 670        DP(BNX2X_MSG_ETHTOOL, "req_line_speed %d\n"
 671           "  req_duplex %d  advertising 0x%x\n",
 672           bp->link_params.req_line_speed[cfg_idx],
 673           bp->link_params.req_duplex[cfg_idx],
 674           bp->port.advertising[cfg_idx]);
 675
 676        /* Set new config */
 677        bp->link_params.multi_phy_config = new_multi_phy_config;
 678        if (netif_running(dev)) {
 679                bnx2x_stats_handle(bp, STATS_EVENT_STOP);
 680                bnx2x_force_link_reset(bp);
 681                bnx2x_link_set(bp);
 682        }
 683
 684        return 0;
 685}
 686
 687#define DUMP_ALL_PRESETS                0x1FFF
 688#define DUMP_MAX_PRESETS                13
 689
 690static int __bnx2x_get_preset_regs_len(struct bnx2x *bp, u32 preset)
 691{
 692        if (CHIP_IS_E1(bp))
 693                return dump_num_registers[0][preset-1];
 694        else if (CHIP_IS_E1H(bp))
 695                return dump_num_registers[1][preset-1];
 696        else if (CHIP_IS_E2(bp))
 697                return dump_num_registers[2][preset-1];
 698        else if (CHIP_IS_E3A0(bp))
 699                return dump_num_registers[3][preset-1];
 700        else if (CHIP_IS_E3B0(bp))
 701                return dump_num_registers[4][preset-1];
 702        else
 703                return 0;
 704}
 705
 706static int __bnx2x_get_regs_len(struct bnx2x *bp)
 707{
 708        u32 preset_idx;
 709        int regdump_len = 0;
 710
 711        /* Calculate the total preset regs length */
 712        for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++)
 713                regdump_len += __bnx2x_get_preset_regs_len(bp, preset_idx);
 714
 715        return regdump_len;
 716}
 717
 718static int bnx2x_get_regs_len(struct net_device *dev)
 719{
 720        struct bnx2x *bp = netdev_priv(dev);
 721        int regdump_len = 0;
 722
 723        if (IS_VF(bp))
 724                return 0;
 725
 726        regdump_len = __bnx2x_get_regs_len(bp);
 727        regdump_len *= 4;
 728        regdump_len += sizeof(struct dump_header);
 729
 730        return regdump_len;
 731}
 732
 733#define IS_E1_REG(chips)        ((chips & DUMP_CHIP_E1) == DUMP_CHIP_E1)
 734#define IS_E1H_REG(chips)       ((chips & DUMP_CHIP_E1H) == DUMP_CHIP_E1H)
 735#define IS_E2_REG(chips)        ((chips & DUMP_CHIP_E2) == DUMP_CHIP_E2)
 736#define IS_E3A0_REG(chips)      ((chips & DUMP_CHIP_E3A0) == DUMP_CHIP_E3A0)
 737#define IS_E3B0_REG(chips)      ((chips & DUMP_CHIP_E3B0) == DUMP_CHIP_E3B0)
 738
 739#define IS_REG_IN_PRESET(presets, idx)  \
 740                ((presets & (1 << (idx-1))) == (1 << (idx-1)))
 741
 742/******* Paged registers info selectors ********/
 743static const u32 *__bnx2x_get_page_addr_ar(struct bnx2x *bp)
 744{
 745        if (CHIP_IS_E2(bp))
 746                return page_vals_e2;
 747        else if (CHIP_IS_E3(bp))
 748                return page_vals_e3;
 749        else
 750                return NULL;
 751}
 752
 753static u32 __bnx2x_get_page_reg_num(struct bnx2x *bp)
 754{
 755        if (CHIP_IS_E2(bp))
 756                return PAGE_MODE_VALUES_E2;
 757        else if (CHIP_IS_E3(bp))
 758                return PAGE_MODE_VALUES_E3;
 759        else
 760                return 0;
 761}
 762
 763static const u32 *__bnx2x_get_page_write_ar(struct bnx2x *bp)
 764{
 765        if (CHIP_IS_E2(bp))
 766                return page_write_regs_e2;
 767        else if (CHIP_IS_E3(bp))
 768                return page_write_regs_e3;
 769        else
 770                return NULL;
 771}
 772
 773static u32 __bnx2x_get_page_write_num(struct bnx2x *bp)
 774{
 775        if (CHIP_IS_E2(bp))
 776                return PAGE_WRITE_REGS_E2;
 777        else if (CHIP_IS_E3(bp))
 778                return PAGE_WRITE_REGS_E3;
 779        else
 780                return 0;
 781}
 782
 783static const struct reg_addr *__bnx2x_get_page_read_ar(struct bnx2x *bp)
 784{
 785        if (CHIP_IS_E2(bp))
 786                return page_read_regs_e2;
 787        else if (CHIP_IS_E3(bp))
 788                return page_read_regs_e3;
 789        else
 790                return NULL;
 791}
 792
 793static u32 __bnx2x_get_page_read_num(struct bnx2x *bp)
 794{
 795        if (CHIP_IS_E2(bp))
 796                return PAGE_READ_REGS_E2;
 797        else if (CHIP_IS_E3(bp))
 798                return PAGE_READ_REGS_E3;
 799        else
 800                return 0;
 801}
 802
 803static bool bnx2x_is_reg_in_chip(struct bnx2x *bp,
 804                                       const struct reg_addr *reg_info)
 805{
 806        if (CHIP_IS_E1(bp))
 807                return IS_E1_REG(reg_info->chips);
 808        else if (CHIP_IS_E1H(bp))
 809                return IS_E1H_REG(reg_info->chips);
 810        else if (CHIP_IS_E2(bp))
 811                return IS_E2_REG(reg_info->chips);
 812        else if (CHIP_IS_E3A0(bp))
 813                return IS_E3A0_REG(reg_info->chips);
 814        else if (CHIP_IS_E3B0(bp))
 815                return IS_E3B0_REG(reg_info->chips);
 816        else
 817                return false;
 818}
 819
 820static bool bnx2x_is_wreg_in_chip(struct bnx2x *bp,
 821        const struct wreg_addr *wreg_info)
 822{
 823        if (CHIP_IS_E1(bp))
 824                return IS_E1_REG(wreg_info->chips);
 825        else if (CHIP_IS_E1H(bp))
 826                return IS_E1H_REG(wreg_info->chips);
 827        else if (CHIP_IS_E2(bp))
 828                return IS_E2_REG(wreg_info->chips);
 829        else if (CHIP_IS_E3A0(bp))
 830                return IS_E3A0_REG(wreg_info->chips);
 831        else if (CHIP_IS_E3B0(bp))
 832                return IS_E3B0_REG(wreg_info->chips);
 833        else
 834                return false;
 835}
 836
 837/**
 838 * bnx2x_read_pages_regs - read "paged" registers
 839 *
 840 * @bp          device handle
 841 * @p           output buffer
 842 *
 843 * Reads "paged" memories: memories that may only be read by first writing to a
 844 * specific address ("write address") and then reading from a specific address
 845 * ("read address"). There may be more than one write address per "page" and
 846 * more than one read address per write address.
 847 */
 848static void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p, u32 preset)
 849{
 850        u32 i, j, k, n;
 851
 852        /* addresses of the paged registers */
 853        const u32 *page_addr = __bnx2x_get_page_addr_ar(bp);
 854        /* number of paged registers */
 855        int num_pages = __bnx2x_get_page_reg_num(bp);
 856        /* write addresses */
 857        const u32 *write_addr = __bnx2x_get_page_write_ar(bp);
 858        /* number of write addresses */
 859        int write_num = __bnx2x_get_page_write_num(bp);
 860        /* read addresses info */
 861        const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp);
 862        /* number of read addresses */
 863        int read_num = __bnx2x_get_page_read_num(bp);
 864        u32 addr, size;
 865
 866        for (i = 0; i < num_pages; i++) {
 867                for (j = 0; j < write_num; j++) {
 868                        REG_WR(bp, write_addr[j], page_addr[i]);
 869
 870                        for (k = 0; k < read_num; k++) {
 871                                if (IS_REG_IN_PRESET(read_addr[k].presets,
 872                                                     preset)) {
 873                                        size = read_addr[k].size;
 874                                        for (n = 0; n < size; n++) {
 875                                                addr = read_addr[k].addr + n*4;
 876                                                *p++ = REG_RD(bp, addr);
 877                                        }
 878                                }
 879                        }
 880                }
 881        }
 882}
 883
 884static int __bnx2x_get_preset_regs(struct bnx2x *bp, u32 *p, u32 preset)
 885{
 886        u32 i, j, addr;
 887        const struct wreg_addr *wreg_addr_p = NULL;
 888
 889        if (CHIP_IS_E1(bp))
 890                wreg_addr_p = &wreg_addr_e1;
 891        else if (CHIP_IS_E1H(bp))
 892                wreg_addr_p = &wreg_addr_e1h;
 893        else if (CHIP_IS_E2(bp))
 894                wreg_addr_p = &wreg_addr_e2;
 895        else if (CHIP_IS_E3A0(bp))
 896                wreg_addr_p = &wreg_addr_e3;
 897        else if (CHIP_IS_E3B0(bp))
 898                wreg_addr_p = &wreg_addr_e3b0;
 899
 900        /* Read the idle_chk registers */
 901        for (i = 0; i < IDLE_REGS_COUNT; i++) {
 902                if (bnx2x_is_reg_in_chip(bp, &idle_reg_addrs[i]) &&
 903                    IS_REG_IN_PRESET(idle_reg_addrs[i].presets, preset)) {
 904                        for (j = 0; j < idle_reg_addrs[i].size; j++)
 905                                *p++ = REG_RD(bp, idle_reg_addrs[i].addr + j*4);
 906                }
 907        }
 908
 909        /* Read the regular registers */
 910        for (i = 0; i < REGS_COUNT; i++) {
 911                if (bnx2x_is_reg_in_chip(bp, &reg_addrs[i]) &&
 912                    IS_REG_IN_PRESET(reg_addrs[i].presets, preset)) {
 913                        for (j = 0; j < reg_addrs[i].size; j++)
 914                                *p++ = REG_RD(bp, reg_addrs[i].addr + j*4);
 915                }
 916        }
 917
 918        /* Read the CAM registers */
 919        if (bnx2x_is_wreg_in_chip(bp, wreg_addr_p) &&
 920            IS_REG_IN_PRESET(wreg_addr_p->presets, preset)) {
 921                for (i = 0; i < wreg_addr_p->size; i++) {
 922                        *p++ = REG_RD(bp, wreg_addr_p->addr + i*4);
 923
 924                        /* In case of wreg_addr register, read additional
 925                           registers from read_regs array
 926                        */
 927                        for (j = 0; j < wreg_addr_p->read_regs_count; j++) {
 928                                addr = *(wreg_addr_p->read_regs);
 929                                *p++ = REG_RD(bp, addr + j*4);
 930                        }
 931                }
 932        }
 933
 934        /* Paged registers are supported in E2 & E3 only */
 935        if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) {
 936                /* Read "paged" registers */
 937                bnx2x_read_pages_regs(bp, p, preset);
 938        }
 939
 940        return 0;
 941}
 942
 943static void __bnx2x_get_regs(struct bnx2x *bp, u32 *p)
 944{
 945        u32 preset_idx;
 946
 947        /* Read all registers, by reading all preset registers */
 948        for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++) {
 949                /* Skip presets with IOR */
 950                if ((preset_idx == 2) ||
 951                    (preset_idx == 5) ||
 952                    (preset_idx == 8) ||
 953                    (preset_idx == 11))
 954                        continue;
 955                __bnx2x_get_preset_regs(bp, p, preset_idx);
 956                p += __bnx2x_get_preset_regs_len(bp, preset_idx);
 957        }
 958}
 959
 960static void bnx2x_get_regs(struct net_device *dev,
 961                           struct ethtool_regs *regs, void *_p)
 962{
 963        u32 *p = _p;
 964        struct bnx2x *bp = netdev_priv(dev);
 965        struct dump_header dump_hdr = {0};
 966
 967        regs->version = 2;
 968        memset(p, 0, regs->len);
 969
 970        if (!netif_running(bp->dev))
 971                return;
 972
 973        /* Disable parity attentions as long as following dump may
 974         * cause false alarms by reading never written registers. We
 975         * will re-enable parity attentions right after the dump.
 976         */
 977
 978        bnx2x_disable_blocks_parity(bp);
 979
 980        dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1;
 981        dump_hdr.preset = DUMP_ALL_PRESETS;
 982        dump_hdr.version = BNX2X_DUMP_VERSION;
 983
 984        /* dump_meta_data presents OR of CHIP and PATH. */
 985        if (CHIP_IS_E1(bp)) {
 986                dump_hdr.dump_meta_data = DUMP_CHIP_E1;
 987        } else if (CHIP_IS_E1H(bp)) {
 988                dump_hdr.dump_meta_data = DUMP_CHIP_E1H;
 989        } else if (CHIP_IS_E2(bp)) {
 990                dump_hdr.dump_meta_data = DUMP_CHIP_E2 |
 991                (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
 992        } else if (CHIP_IS_E3A0(bp)) {
 993                dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 |
 994                (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
 995        } else if (CHIP_IS_E3B0(bp)) {
 996                dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 |
 997                (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
 998        }
 999
1000        memcpy(p, &dump_hdr, sizeof(struct dump_header));
1001        p += dump_hdr.header_size + 1;
1002
1003        /* This isn't really an error, but since attention handling is going
1004         * to print the GRC timeouts using this macro, we use the same.
1005         */
1006        BNX2X_ERR("Generating register dump. Might trigger harmless GRC timeouts\n");
1007
1008        /* Actually read the registers */
1009        __bnx2x_get_regs(bp, p);
1010
1011        /* Re-enable parity attentions */
1012        bnx2x_clear_blocks_parity(bp);
1013        bnx2x_enable_blocks_parity(bp);
1014}
1015
1016static int bnx2x_get_preset_regs_len(struct net_device *dev, u32 preset)
1017{
1018        struct bnx2x *bp = netdev_priv(dev);
1019        int regdump_len = 0;
1020
1021        regdump_len = __bnx2x_get_preset_regs_len(bp, preset);
1022        regdump_len *= 4;
1023        regdump_len += sizeof(struct dump_header);
1024
1025        return regdump_len;
1026}
1027
1028static int bnx2x_set_dump(struct net_device *dev, struct ethtool_dump *val)
1029{
1030        struct bnx2x *bp = netdev_priv(dev);
1031
1032        /* Use the ethtool_dump "flag" field as the dump preset index */
1033        if (val->flag < 1 || val->flag > DUMP_MAX_PRESETS)
1034                return -EINVAL;
1035
1036        bp->dump_preset_idx = val->flag;
1037        return 0;
1038}
1039
1040static int bnx2x_get_dump_flag(struct net_device *dev,
1041                               struct ethtool_dump *dump)
1042{
1043        struct bnx2x *bp = netdev_priv(dev);
1044
1045        dump->version = BNX2X_DUMP_VERSION;
1046        dump->flag = bp->dump_preset_idx;
1047        /* Calculate the requested preset idx length */
1048        dump->len = bnx2x_get_preset_regs_len(dev, bp->dump_preset_idx);
1049        DP(BNX2X_MSG_ETHTOOL, "Get dump preset %d length=%d\n",
1050           bp->dump_preset_idx, dump->len);
1051        return 0;
1052}
1053
1054static int bnx2x_get_dump_data(struct net_device *dev,
1055                               struct ethtool_dump *dump,
1056                               void *buffer)
1057{
1058        u32 *p = buffer;
1059        struct bnx2x *bp = netdev_priv(dev);
1060        struct dump_header dump_hdr = {0};
1061
1062        /* Disable parity attentions as long as following dump may
1063         * cause false alarms by reading never written registers. We
1064         * will re-enable parity attentions right after the dump.
1065         */
1066
1067        bnx2x_disable_blocks_parity(bp);
1068
1069        dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1;
1070        dump_hdr.preset = bp->dump_preset_idx;
1071        dump_hdr.version = BNX2X_DUMP_VERSION;
1072
1073        DP(BNX2X_MSG_ETHTOOL, "Get dump data of preset %d\n", dump_hdr.preset);
1074
1075        /* dump_meta_data presents OR of CHIP and PATH. */
1076        if (CHIP_IS_E1(bp)) {
1077                dump_hdr.dump_meta_data = DUMP_CHIP_E1;
1078        } else if (CHIP_IS_E1H(bp)) {
1079                dump_hdr.dump_meta_data = DUMP_CHIP_E1H;
1080        } else if (CHIP_IS_E2(bp)) {
1081                dump_hdr.dump_meta_data = DUMP_CHIP_E2 |
1082                (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1083        } else if (CHIP_IS_E3A0(bp)) {
1084                dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 |
1085                (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1086        } else if (CHIP_IS_E3B0(bp)) {
1087                dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 |
1088                (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1089        }
1090
1091        memcpy(p, &dump_hdr, sizeof(struct dump_header));
1092        p += dump_hdr.header_size + 1;
1093
1094        /* Actually read the registers */
1095        __bnx2x_get_preset_regs(bp, p, dump_hdr.preset);
1096
1097        /* Re-enable parity attentions */
1098        bnx2x_clear_blocks_parity(bp);
1099        bnx2x_enable_blocks_parity(bp);
1100
1101        return 0;
1102}
1103
1104static void bnx2x_get_drvinfo(struct net_device *dev,
1105                              struct ethtool_drvinfo *info)
1106{
1107        struct bnx2x *bp = netdev_priv(dev);
1108
1109        strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1110        strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
1111
1112        bnx2x_fill_fw_str(bp, info->fw_version, sizeof(info->fw_version));
1113
1114        strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1115}
1116
1117static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1118{
1119        struct bnx2x *bp = netdev_priv(dev);
1120
1121        if (bp->flags & NO_WOL_FLAG) {
1122                wol->supported = 0;
1123                wol->wolopts = 0;
1124        } else {
1125                wol->supported = WAKE_MAGIC;
1126                if (bp->wol)
1127                        wol->wolopts = WAKE_MAGIC;
1128                else
1129                        wol->wolopts = 0;
1130        }
1131        memset(&wol->sopass, 0, sizeof(wol->sopass));
1132}
1133
1134static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1135{
1136        struct bnx2x *bp = netdev_priv(dev);
1137
1138        if (wol->wolopts & ~WAKE_MAGIC) {
1139                DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n");
1140                return -EINVAL;
1141        }
1142
1143        if (wol->wolopts & WAKE_MAGIC) {
1144                if (bp->flags & NO_WOL_FLAG) {
1145                        DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n");
1146                        return -EINVAL;
1147                }
1148                bp->wol = 1;
1149        } else
1150                bp->wol = 0;
1151
1152        if (SHMEM2_HAS(bp, curr_cfg))
1153                SHMEM2_WR(bp, curr_cfg, CURR_CFG_MET_OS);
1154
1155        return 0;
1156}
1157
1158static u32 bnx2x_get_msglevel(struct net_device *dev)
1159{
1160        struct bnx2x *bp = netdev_priv(dev);
1161
1162        return bp->msg_enable;
1163}
1164
1165static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
1166{
1167        struct bnx2x *bp = netdev_priv(dev);
1168
1169        if (capable(CAP_NET_ADMIN)) {
1170                /* dump MCP trace */
1171                if (IS_PF(bp) && (level & BNX2X_MSG_MCP))
1172                        bnx2x_fw_dump_lvl(bp, KERN_INFO);
1173                bp->msg_enable = level;
1174        }
1175}
1176
1177static int bnx2x_nway_reset(struct net_device *dev)
1178{
1179        struct bnx2x *bp = netdev_priv(dev);
1180
1181        if (!bp->port.pmf)
1182                return 0;
1183
1184        if (netif_running(dev)) {
1185                bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1186                bnx2x_force_link_reset(bp);
1187                bnx2x_link_set(bp);
1188        }
1189
1190        return 0;
1191}
1192
1193static u32 bnx2x_get_link(struct net_device *dev)
1194{
1195        struct bnx2x *bp = netdev_priv(dev);
1196
1197        if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
1198                return 0;
1199
1200        if (IS_VF(bp))
1201                return !test_bit(BNX2X_LINK_REPORT_LINK_DOWN,
1202                                 &bp->vf_link_vars.link_report_flags);
1203
1204        return bp->link_vars.link_up;
1205}
1206
1207static int bnx2x_get_eeprom_len(struct net_device *dev)
1208{
1209        struct bnx2x *bp = netdev_priv(dev);
1210
1211        return bp->common.flash_size;
1212}
1213
1214/* Per pf misc lock must be acquired before the per port mcp lock. Otherwise,
1215 * had we done things the other way around, if two pfs from the same port would
1216 * attempt to access nvram at the same time, we could run into a scenario such
1217 * as:
1218 * pf A takes the port lock.
1219 * pf B succeeds in taking the same lock since they are from the same port.
1220 * pf A takes the per pf misc lock. Performs eeprom access.
1221 * pf A finishes. Unlocks the per pf misc lock.
1222 * Pf B takes the lock and proceeds to perform it's own access.
1223 * pf A unlocks the per port lock, while pf B is still working (!).
1224 * mcp takes the per port lock and corrupts pf B's access (and/or has it's own
1225 * access corrupted by pf B)
1226 */
1227static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
1228{
1229        int port = BP_PORT(bp);
1230        int count, i;
1231        u32 val;
1232
1233        /* acquire HW lock: protect against other PFs in PF Direct Assignment */
1234        bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1235
1236        /* adjust timeout for emulation/FPGA */
1237        count = BNX2X_NVRAM_TIMEOUT_COUNT;
1238        if (CHIP_REV_IS_SLOW(bp))
1239                count *= 100;
1240
1241        /* request access to nvram interface */
1242        REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
1243               (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
1244
1245        for (i = 0; i < count*10; i++) {
1246                val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
1247                if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
1248                        break;
1249
1250                udelay(5);
1251        }
1252
1253        if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
1254                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1255                   "cannot get access to nvram interface\n");
1256                bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1257                return -EBUSY;
1258        }
1259
1260        return 0;
1261}
1262
1263static int bnx2x_release_nvram_lock(struct bnx2x *bp)
1264{
1265        int port = BP_PORT(bp);
1266        int count, i;
1267        u32 val;
1268
1269        /* adjust timeout for emulation/FPGA */
1270        count = BNX2X_NVRAM_TIMEOUT_COUNT;
1271        if (CHIP_REV_IS_SLOW(bp))
1272                count *= 100;
1273
1274        /* relinquish nvram interface */
1275        REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
1276               (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
1277
1278        for (i = 0; i < count*10; i++) {
1279                val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
1280                if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
1281                        break;
1282
1283                udelay(5);
1284        }
1285
1286        if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
1287                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1288                   "cannot free access to nvram interface\n");
1289                return -EBUSY;
1290        }
1291
1292        /* release HW lock: protect against other PFs in PF Direct Assignment */
1293        bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1294        return 0;
1295}
1296
1297static void bnx2x_enable_nvram_access(struct bnx2x *bp)
1298{
1299        u32 val;
1300
1301        val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1302
1303        /* enable both bits, even on read */
1304        REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1305               (val | MCPR_NVM_ACCESS_ENABLE_EN |
1306                      MCPR_NVM_ACCESS_ENABLE_WR_EN));
1307}
1308
1309static void bnx2x_disable_nvram_access(struct bnx2x *bp)
1310{
1311        u32 val;
1312
1313        val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1314
1315        /* disable both bits, even after read */
1316        REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1317               (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
1318                        MCPR_NVM_ACCESS_ENABLE_WR_EN)));
1319}
1320
1321static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
1322                                  u32 cmd_flags)
1323{
1324        int count, i, rc;
1325        u32 val;
1326
1327        /* build the command word */
1328        cmd_flags |= MCPR_NVM_COMMAND_DOIT;
1329
1330        /* need to clear DONE bit separately */
1331        REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1332
1333        /* address of the NVRAM to read from */
1334        REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1335               (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1336
1337        /* issue a read command */
1338        REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1339
1340        /* adjust timeout for emulation/FPGA */
1341        count = BNX2X_NVRAM_TIMEOUT_COUNT;
1342        if (CHIP_REV_IS_SLOW(bp))
1343                count *= 100;
1344
1345        /* wait for completion */
1346        *ret_val = 0;
1347        rc = -EBUSY;
1348        for (i = 0; i < count; i++) {
1349                udelay(5);
1350                val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1351
1352                if (val & MCPR_NVM_COMMAND_DONE) {
1353                        val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
1354                        /* we read nvram data in cpu order
1355                         * but ethtool sees it as an array of bytes
1356                         * converting to big-endian will do the work
1357                         */
1358                        *ret_val = cpu_to_be32(val);
1359                        rc = 0;
1360                        break;
1361                }
1362        }
1363        if (rc == -EBUSY)
1364                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1365                   "nvram read timeout expired\n");
1366        return rc;
1367}
1368
1369int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
1370                     int buf_size)
1371{
1372        int rc;
1373        u32 cmd_flags;
1374        __be32 val;
1375
1376        if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1377                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1378                   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
1379                   offset, buf_size);
1380                return -EINVAL;
1381        }
1382
1383        if (offset + buf_size > bp->common.flash_size) {
1384                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1385                   "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1386                   offset, buf_size, bp->common.flash_size);
1387                return -EINVAL;
1388        }
1389
1390        /* request access to nvram interface */
1391        rc = bnx2x_acquire_nvram_lock(bp);
1392        if (rc)
1393                return rc;
1394
1395        /* enable access to nvram interface */
1396        bnx2x_enable_nvram_access(bp);
1397
1398        /* read the first word(s) */
1399        cmd_flags = MCPR_NVM_COMMAND_FIRST;
1400        while ((buf_size > sizeof(u32)) && (rc == 0)) {
1401                rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1402                memcpy(ret_buf, &val, 4);
1403
1404                /* advance to the next dword */
1405                offset += sizeof(u32);
1406                ret_buf += sizeof(u32);
1407                buf_size -= sizeof(u32);
1408                cmd_flags = 0;
1409        }
1410
1411        if (rc == 0) {
1412                cmd_flags |= MCPR_NVM_COMMAND_LAST;
1413                rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1414                memcpy(ret_buf, &val, 4);
1415        }
1416
1417        /* disable access to nvram interface */
1418        bnx2x_disable_nvram_access(bp);
1419        bnx2x_release_nvram_lock(bp);
1420
1421        return rc;
1422}
1423
1424static int bnx2x_nvram_read32(struct bnx2x *bp, u32 offset, u32 *buf,
1425                              int buf_size)
1426{
1427        int rc;
1428
1429        rc = bnx2x_nvram_read(bp, offset, (u8 *)buf, buf_size);
1430
1431        if (!rc) {
1432                __be32 *be = (__be32 *)buf;
1433
1434                while ((buf_size -= 4) >= 0)
1435                        *buf++ = be32_to_cpu(*be++);
1436        }
1437
1438        return rc;
1439}
1440
1441static bool bnx2x_is_nvm_accessible(struct bnx2x *bp)
1442{
1443        int rc = 1;
1444        u16 pm = 0;
1445        struct net_device *dev = pci_get_drvdata(bp->pdev);
1446
1447        if (bp->pdev->pm_cap)
1448                rc = pci_read_config_word(bp->pdev,
1449                                          bp->pdev->pm_cap + PCI_PM_CTRL, &pm);
1450
1451        if ((rc && !netif_running(dev)) ||
1452            (!rc && ((pm & PCI_PM_CTRL_STATE_MASK) != (__force u16)PCI_D0)))
1453                return false;
1454
1455        return true;
1456}
1457
1458static int bnx2x_get_eeprom(struct net_device *dev,
1459                            struct ethtool_eeprom *eeprom, u8 *eebuf)
1460{
1461        struct bnx2x *bp = netdev_priv(dev);
1462
1463        if (!bnx2x_is_nvm_accessible(bp)) {
1464                DP(BNX2X_MSG_ETHTOOL  | BNX2X_MSG_NVM,
1465                   "cannot access eeprom when the interface is down\n");
1466                return -EAGAIN;
1467        }
1468
1469        DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1470           "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
1471           eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1472           eeprom->len, eeprom->len);
1473
1474        /* parameters already validated in ethtool_get_eeprom */
1475
1476        return bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
1477}
1478
1479static int bnx2x_get_module_eeprom(struct net_device *dev,
1480                                   struct ethtool_eeprom *ee,
1481                                   u8 *data)
1482{
1483        struct bnx2x *bp = netdev_priv(dev);
1484        int rc = -EINVAL, phy_idx;
1485        u8 *user_data = data;
1486        unsigned int start_addr = ee->offset, xfer_size = 0;
1487
1488        if (!bnx2x_is_nvm_accessible(bp)) {
1489                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1490                   "cannot access eeprom when the interface is down\n");
1491                return -EAGAIN;
1492        }
1493
1494        phy_idx = bnx2x_get_cur_phy_idx(bp);
1495
1496        /* Read A0 section */
1497        if (start_addr < ETH_MODULE_SFF_8079_LEN) {
1498                /* Limit transfer size to the A0 section boundary */
1499                if (start_addr + ee->len > ETH_MODULE_SFF_8079_LEN)
1500                        xfer_size = ETH_MODULE_SFF_8079_LEN - start_addr;
1501                else
1502                        xfer_size = ee->len;
1503                bnx2x_acquire_phy_lock(bp);
1504                rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1505                                                  &bp->link_params,
1506                                                  I2C_DEV_ADDR_A0,
1507                                                  start_addr,
1508                                                  xfer_size,
1509                                                  user_data);
1510                bnx2x_release_phy_lock(bp);
1511                if (rc) {
1512                        DP(BNX2X_MSG_ETHTOOL, "Failed reading A0 section\n");
1513
1514                        return -EINVAL;
1515                }
1516                user_data += xfer_size;
1517                start_addr += xfer_size;
1518        }
1519
1520        /* Read A2 section */
1521        if ((start_addr >= ETH_MODULE_SFF_8079_LEN) &&
1522            (start_addr < ETH_MODULE_SFF_8472_LEN)) {
1523                xfer_size = ee->len - xfer_size;
1524                /* Limit transfer size to the A2 section boundary */
1525                if (start_addr + xfer_size > ETH_MODULE_SFF_8472_LEN)
1526                        xfer_size = ETH_MODULE_SFF_8472_LEN - start_addr;
1527                start_addr -= ETH_MODULE_SFF_8079_LEN;
1528                bnx2x_acquire_phy_lock(bp);
1529                rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1530                                                  &bp->link_params,
1531                                                  I2C_DEV_ADDR_A2,
1532                                                  start_addr,
1533                                                  xfer_size,
1534                                                  user_data);
1535                bnx2x_release_phy_lock(bp);
1536                if (rc) {
1537                        DP(BNX2X_MSG_ETHTOOL, "Failed reading A2 section\n");
1538                        return -EINVAL;
1539                }
1540        }
1541        return rc;
1542}
1543
1544static int bnx2x_get_module_info(struct net_device *dev,
1545                                 struct ethtool_modinfo *modinfo)
1546{
1547        struct bnx2x *bp = netdev_priv(dev);
1548        int phy_idx, rc;
1549        u8 sff8472_comp, diag_type;
1550
1551        if (!bnx2x_is_nvm_accessible(bp)) {
1552                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1553                   "cannot access eeprom when the interface is down\n");
1554                return -EAGAIN;
1555        }
1556        phy_idx = bnx2x_get_cur_phy_idx(bp);
1557        bnx2x_acquire_phy_lock(bp);
1558        rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1559                                          &bp->link_params,
1560                                          I2C_DEV_ADDR_A0,
1561                                          SFP_EEPROM_SFF_8472_COMP_ADDR,
1562                                          SFP_EEPROM_SFF_8472_COMP_SIZE,
1563                                          &sff8472_comp);
1564        bnx2x_release_phy_lock(bp);
1565        if (rc) {
1566                DP(BNX2X_MSG_ETHTOOL, "Failed reading SFF-8472 comp field\n");
1567                return -EINVAL;
1568        }
1569
1570        bnx2x_acquire_phy_lock(bp);
1571        rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1572                                          &bp->link_params,
1573                                          I2C_DEV_ADDR_A0,
1574                                          SFP_EEPROM_DIAG_TYPE_ADDR,
1575                                          SFP_EEPROM_DIAG_TYPE_SIZE,
1576                                          &diag_type);
1577        bnx2x_release_phy_lock(bp);
1578        if (rc) {
1579                DP(BNX2X_MSG_ETHTOOL, "Failed reading Diag Type field\n");
1580                return -EINVAL;
1581        }
1582
1583        if (!sff8472_comp ||
1584            (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ)) {
1585                modinfo->type = ETH_MODULE_SFF_8079;
1586                modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
1587        } else {
1588                modinfo->type = ETH_MODULE_SFF_8472;
1589                modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1590        }
1591        return 0;
1592}
1593
1594static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
1595                                   u32 cmd_flags)
1596{
1597        int count, i, rc;
1598
1599        /* build the command word */
1600        cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
1601
1602        /* need to clear DONE bit separately */
1603        REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1604
1605        /* write the data */
1606        REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
1607
1608        /* address of the NVRAM to write to */
1609        REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1610               (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1611
1612        /* issue the write command */
1613        REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1614
1615        /* adjust timeout for emulation/FPGA */
1616        count = BNX2X_NVRAM_TIMEOUT_COUNT;
1617        if (CHIP_REV_IS_SLOW(bp))
1618                count *= 100;
1619
1620        /* wait for completion */
1621        rc = -EBUSY;
1622        for (i = 0; i < count; i++) {
1623                udelay(5);
1624                val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1625                if (val & MCPR_NVM_COMMAND_DONE) {
1626                        rc = 0;
1627                        break;
1628                }
1629        }
1630
1631        if (rc == -EBUSY)
1632                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1633                   "nvram write timeout expired\n");
1634        return rc;
1635}
1636
1637#define BYTE_OFFSET(offset)             (8 * (offset & 0x03))
1638
1639static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
1640                              int buf_size)
1641{
1642        int rc;
1643        u32 cmd_flags, align_offset, val;
1644        __be32 val_be;
1645
1646        if (offset + buf_size > bp->common.flash_size) {
1647                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1648                   "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1649                   offset, buf_size, bp->common.flash_size);
1650                return -EINVAL;
1651        }
1652
1653        /* request access to nvram interface */
1654        rc = bnx2x_acquire_nvram_lock(bp);
1655        if (rc)
1656                return rc;
1657
1658        /* enable access to nvram interface */
1659        bnx2x_enable_nvram_access(bp);
1660
1661        cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
1662        align_offset = (offset & ~0x03);
1663        rc = bnx2x_nvram_read_dword(bp, align_offset, &val_be, cmd_flags);
1664
1665        if (rc == 0) {
1666                /* nvram data is returned as an array of bytes
1667                 * convert it back to cpu order
1668                 */
1669                val = be32_to_cpu(val_be);
1670
1671                val &= ~le32_to_cpu((__force __le32)
1672                                    (0xff << BYTE_OFFSET(offset)));
1673                val |= le32_to_cpu((__force __le32)
1674                                   (*data_buf << BYTE_OFFSET(offset)));
1675
1676                rc = bnx2x_nvram_write_dword(bp, align_offset, val,
1677                                             cmd_flags);
1678        }
1679
1680        /* disable access to nvram interface */
1681        bnx2x_disable_nvram_access(bp);
1682        bnx2x_release_nvram_lock(bp);
1683
1684        return rc;
1685}
1686
1687static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
1688                             int buf_size)
1689{
1690        int rc;
1691        u32 cmd_flags;
1692        u32 val;
1693        u32 written_so_far;
1694
1695        if (buf_size == 1)      /* ethtool */
1696                return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
1697
1698        if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1699                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1700                   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
1701                   offset, buf_size);
1702                return -EINVAL;
1703        }
1704
1705        if (offset + buf_size > bp->common.flash_size) {
1706                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1707                   "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1708                   offset, buf_size, bp->common.flash_size);
1709                return -EINVAL;
1710        }
1711
1712        /* request access to nvram interface */
1713        rc = bnx2x_acquire_nvram_lock(bp);
1714        if (rc)
1715                return rc;
1716
1717        /* enable access to nvram interface */
1718        bnx2x_enable_nvram_access(bp);
1719
1720        written_so_far = 0;
1721        cmd_flags = MCPR_NVM_COMMAND_FIRST;
1722        while ((written_so_far < buf_size) && (rc == 0)) {
1723                if (written_so_far == (buf_size - sizeof(u32)))
1724                        cmd_flags |= MCPR_NVM_COMMAND_LAST;
1725                else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0)
1726                        cmd_flags |= MCPR_NVM_COMMAND_LAST;
1727                else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0)
1728                        cmd_flags |= MCPR_NVM_COMMAND_FIRST;
1729
1730                memcpy(&val, data_buf, 4);
1731
1732                /* Notice unlike bnx2x_nvram_read_dword() this will not
1733                 * change val using be32_to_cpu(), which causes data to flip
1734                 * if the eeprom is read and then written back. This is due
1735                 * to tools utilizing this functionality that would break
1736                 * if this would be resolved.
1737                 */
1738                rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
1739
1740                /* advance to the next dword */
1741                offset += sizeof(u32);
1742                data_buf += sizeof(u32);
1743                written_so_far += sizeof(u32);
1744
1745                /* At end of each 4Kb page, release nvram lock to allow MFW
1746                 * chance to take it for its own use.
1747                 */
1748                if ((cmd_flags & MCPR_NVM_COMMAND_LAST) &&
1749                    (written_so_far < buf_size)) {
1750                        DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1751                           "Releasing NVM lock after offset 0x%x\n",
1752                           (u32)(offset - sizeof(u32)));
1753                        bnx2x_release_nvram_lock(bp);
1754                        usleep_range(1000, 2000);
1755                        rc = bnx2x_acquire_nvram_lock(bp);
1756                        if (rc)
1757                                return rc;
1758                }
1759
1760                cmd_flags = 0;
1761        }
1762
1763        /* disable access to nvram interface */
1764        bnx2x_disable_nvram_access(bp);
1765        bnx2x_release_nvram_lock(bp);
1766
1767        return rc;
1768}
1769
1770static int bnx2x_set_eeprom(struct net_device *dev,
1771                            struct ethtool_eeprom *eeprom, u8 *eebuf)
1772{
1773        struct bnx2x *bp = netdev_priv(dev);
1774        int port = BP_PORT(bp);
1775        int rc = 0;
1776        u32 ext_phy_config;
1777
1778        if (!bnx2x_is_nvm_accessible(bp)) {
1779                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1780                   "cannot access eeprom when the interface is down\n");
1781                return -EAGAIN;
1782        }
1783
1784        DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1785           "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
1786           eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1787           eeprom->len, eeprom->len);
1788
1789        /* parameters already validated in ethtool_set_eeprom */
1790
1791        /* PHY eeprom can be accessed only by the PMF */
1792        if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
1793            !bp->port.pmf) {
1794                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1795                   "wrong magic or interface is not pmf\n");
1796                return -EINVAL;
1797        }
1798
1799        ext_phy_config =
1800                SHMEM_RD(bp,
1801                         dev_info.port_hw_config[port].external_phy_config);
1802
1803        if (eeprom->magic == 0x50485950) {
1804                /* 'PHYP' (0x50485950): prepare phy for FW upgrade */
1805                bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1806
1807                bnx2x_acquire_phy_lock(bp);
1808                rc |= bnx2x_link_reset(&bp->link_params,
1809                                       &bp->link_vars, 0);
1810                if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1811                                        PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
1812                        bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1813                                       MISC_REGISTERS_GPIO_HIGH, port);
1814                bnx2x_release_phy_lock(bp);
1815                bnx2x_link_report(bp);
1816
1817        } else if (eeprom->magic == 0x50485952) {
1818                /* 'PHYR' (0x50485952): re-init link after FW upgrade */
1819                if (bp->state == BNX2X_STATE_OPEN) {
1820                        bnx2x_acquire_phy_lock(bp);
1821                        rc |= bnx2x_link_reset(&bp->link_params,
1822                                               &bp->link_vars, 1);
1823
1824                        rc |= bnx2x_phy_init(&bp->link_params,
1825                                             &bp->link_vars);
1826                        bnx2x_release_phy_lock(bp);
1827                        bnx2x_calc_fc_adv(bp);
1828                }
1829        } else if (eeprom->magic == 0x53985943) {
1830                /* 'PHYC' (0x53985943): PHY FW upgrade completed */
1831                if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1832                                       PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {
1833
1834                        /* DSP Remove Download Mode */
1835                        bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1836                                       MISC_REGISTERS_GPIO_LOW, port);
1837
1838                        bnx2x_acquire_phy_lock(bp);
1839
1840                        bnx2x_sfx7101_sp_sw_reset(bp,
1841                                                &bp->link_params.phy[EXT_PHY1]);
1842
1843                        /* wait 0.5 sec to allow it to run */
1844                        msleep(500);
1845                        bnx2x_ext_phy_hw_reset(bp, port);
1846                        msleep(500);
1847                        bnx2x_release_phy_lock(bp);
1848                }
1849        } else
1850                rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
1851
1852        return rc;
1853}
1854
1855static int bnx2x_get_coalesce(struct net_device *dev,
1856                              struct ethtool_coalesce *coal)
1857{
1858        struct bnx2x *bp = netdev_priv(dev);
1859
1860        memset(coal, 0, sizeof(struct ethtool_coalesce));
1861
1862        coal->rx_coalesce_usecs = bp->rx_ticks;
1863        coal->tx_coalesce_usecs = bp->tx_ticks;
1864
1865        return 0;
1866}
1867
1868static int bnx2x_set_coalesce(struct net_device *dev,
1869                              struct ethtool_coalesce *coal)
1870{
1871        struct bnx2x *bp = netdev_priv(dev);
1872
1873        bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
1874        if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
1875                bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;
1876
1877        bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
1878        if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
1879                bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;
1880
1881        if (netif_running(dev))
1882                bnx2x_update_coalesce(bp);
1883
1884        return 0;
1885}
1886
1887static void bnx2x_get_ringparam(struct net_device *dev,
1888                                struct ethtool_ringparam *ering)
1889{
1890        struct bnx2x *bp = netdev_priv(dev);
1891
1892        ering->rx_max_pending = MAX_RX_AVAIL;
1893
1894        /* If size isn't already set, we give an estimation of the number
1895         * of buffers we'll have. We're neglecting some possible conditions
1896         * [we couldn't know for certain at this point if number of queues
1897         * might shrink] but the number would be correct for the likely
1898         * scenario.
1899         */
1900        if (bp->rx_ring_size)
1901                ering->rx_pending = bp->rx_ring_size;
1902        else if (BNX2X_NUM_RX_QUEUES(bp))
1903                ering->rx_pending = MAX_RX_AVAIL / BNX2X_NUM_RX_QUEUES(bp);
1904        else
1905                ering->rx_pending = MAX_RX_AVAIL;
1906
1907        ering->tx_max_pending = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
1908        ering->tx_pending = bp->tx_ring_size;
1909}
1910
1911static int bnx2x_set_ringparam(struct net_device *dev,
1912                               struct ethtool_ringparam *ering)
1913{
1914        struct bnx2x *bp = netdev_priv(dev);
1915
1916        DP(BNX2X_MSG_ETHTOOL,
1917           "set ring params command parameters: rx_pending = %d, tx_pending = %d\n",
1918           ering->rx_pending, ering->tx_pending);
1919
1920        if (pci_num_vf(bp->pdev)) {
1921                DP(BNX2X_MSG_IOV,
1922                   "VFs are enabled, can not change ring parameters\n");
1923                return -EPERM;
1924        }
1925
1926        if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1927                DP(BNX2X_MSG_ETHTOOL,
1928                   "Handling parity error recovery. Try again later\n");
1929                return -EAGAIN;
1930        }
1931
1932        if ((ering->rx_pending > MAX_RX_AVAIL) ||
1933            (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
1934                                                    MIN_RX_SIZE_TPA)) ||
1935            (ering->tx_pending > (IS_MF_STORAGE_ONLY(bp) ? 0 : MAX_TX_AVAIL)) ||
1936            (ering->tx_pending <= MAX_SKB_FRAGS + 4)) {
1937                DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
1938                return -EINVAL;
1939        }
1940
1941        bp->rx_ring_size = ering->rx_pending;
1942        bp->tx_ring_size = ering->tx_pending;
1943
1944        return bnx2x_reload_if_running(dev);
1945}
1946
1947static void bnx2x_get_pauseparam(struct net_device *dev,
1948                                 struct ethtool_pauseparam *epause)
1949{
1950        struct bnx2x *bp = netdev_priv(dev);
1951        int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1952        int cfg_reg;
1953
1954        epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
1955                           BNX2X_FLOW_CTRL_AUTO);
1956
1957        if (!epause->autoneg)
1958                cfg_reg = bp->link_params.req_flow_ctrl[cfg_idx];
1959        else
1960                cfg_reg = bp->link_params.req_fc_auto_adv;
1961
1962        epause->rx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_RX) ==
1963                            BNX2X_FLOW_CTRL_RX);
1964        epause->tx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_TX) ==
1965                            BNX2X_FLOW_CTRL_TX);
1966
1967        DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
1968           "  autoneg %d  rx_pause %d  tx_pause %d\n",
1969           epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1970}
1971
1972static int bnx2x_set_pauseparam(struct net_device *dev,
1973                                struct ethtool_pauseparam *epause)
1974{
1975        struct bnx2x *bp = netdev_priv(dev);
1976        u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1977        if (IS_MF(bp))
1978                return 0;
1979
1980        DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
1981           "  autoneg %d  rx_pause %d  tx_pause %d\n",
1982           epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1983
1984        bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
1985
1986        if (epause->rx_pause)
1987                bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
1988
1989        if (epause->tx_pause)
1990                bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
1991
1992        if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
1993                bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
1994
1995        if (epause->autoneg) {
1996                if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
1997                        DP(BNX2X_MSG_ETHTOOL, "autoneg not supported\n");
1998                        return -EINVAL;
1999                }
2000
2001                if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
2002                        bp->link_params.req_flow_ctrl[cfg_idx] =
2003                                BNX2X_FLOW_CTRL_AUTO;
2004                }
2005                bp->link_params.req_fc_auto_adv = 0;
2006                if (epause->rx_pause)
2007                        bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_RX;
2008
2009                if (epause->tx_pause)
2010                        bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_TX;
2011
2012                if (!bp->link_params.req_fc_auto_adv)
2013                        bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_NONE;
2014        }
2015
2016        DP(BNX2X_MSG_ETHTOOL,
2017           "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
2018
2019        if (netif_running(dev)) {
2020                bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2021                bnx2x_force_link_reset(bp);
2022                bnx2x_link_set(bp);
2023        }
2024
2025        return 0;
2026}
2027
2028static const char bnx2x_tests_str_arr[BNX2X_NUM_TESTS_SF][ETH_GSTRING_LEN] = {
2029        "register_test (offline)    ",
2030        "memory_test (offline)      ",
2031        "int_loopback_test (offline)",
2032        "ext_loopback_test (offline)",
2033        "nvram_test (online)        ",
2034        "interrupt_test (online)    ",
2035        "link_test (online)         "
2036};
2037
2038enum {
2039        BNX2X_PRI_FLAG_ISCSI,
2040        BNX2X_PRI_FLAG_FCOE,
2041        BNX2X_PRI_FLAG_STORAGE,
2042        BNX2X_PRI_FLAG_LEN,
2043};
2044
2045static const char bnx2x_private_arr[BNX2X_PRI_FLAG_LEN][ETH_GSTRING_LEN] = {
2046        "iSCSI offload support",
2047        "FCoE offload support",
2048        "Storage only interface"
2049};
2050
2051static u32 bnx2x_eee_to_adv(u32 eee_adv)
2052{
2053        u32 modes = 0;
2054
2055        if (eee_adv & SHMEM_EEE_100M_ADV)
2056                modes |= ADVERTISED_100baseT_Full;
2057        if (eee_adv & SHMEM_EEE_1G_ADV)
2058                modes |= ADVERTISED_1000baseT_Full;
2059        if (eee_adv & SHMEM_EEE_10G_ADV)
2060                modes |= ADVERTISED_10000baseT_Full;
2061
2062        return modes;
2063}
2064
2065static u32 bnx2x_adv_to_eee(u32 modes, u32 shift)
2066{
2067        u32 eee_adv = 0;
2068        if (modes & ADVERTISED_100baseT_Full)
2069                eee_adv |= SHMEM_EEE_100M_ADV;
2070        if (modes & ADVERTISED_1000baseT_Full)
2071                eee_adv |= SHMEM_EEE_1G_ADV;
2072        if (modes & ADVERTISED_10000baseT_Full)
2073                eee_adv |= SHMEM_EEE_10G_ADV;
2074
2075        return eee_adv << shift;
2076}
2077
2078static int bnx2x_get_eee(struct net_device *dev, struct ethtool_eee *edata)
2079{
2080        struct bnx2x *bp = netdev_priv(dev);
2081        u32 eee_cfg;
2082
2083        if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
2084                DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
2085                return -EOPNOTSUPP;
2086        }
2087
2088        eee_cfg = bp->link_vars.eee_status;
2089
2090        edata->supported =
2091                bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >>
2092                                 SHMEM_EEE_SUPPORTED_SHIFT);
2093
2094        edata->advertised =
2095                bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_ADV_STATUS_MASK) >>
2096                                 SHMEM_EEE_ADV_STATUS_SHIFT);
2097        edata->lp_advertised =
2098                bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_LP_ADV_STATUS_MASK) >>
2099                                 SHMEM_EEE_LP_ADV_STATUS_SHIFT);
2100
2101        /* SHMEM value is in 16u units --> Convert to 1u units. */
2102        edata->tx_lpi_timer = (eee_cfg & SHMEM_EEE_TIMER_MASK) << 4;
2103
2104        edata->eee_enabled    = (eee_cfg & SHMEM_EEE_REQUESTED_BIT)     ? 1 : 0;
2105        edata->eee_active     = (eee_cfg & SHMEM_EEE_ACTIVE_BIT)        ? 1 : 0;
2106        edata->tx_lpi_enabled = (eee_cfg & SHMEM_EEE_LPI_REQUESTED_BIT) ? 1 : 0;
2107
2108        return 0;
2109}
2110
2111static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata)
2112{
2113        struct bnx2x *bp = netdev_priv(dev);
2114        u32 eee_cfg;
2115        u32 advertised;
2116
2117        if (IS_MF(bp))
2118                return 0;
2119
2120        if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
2121                DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
2122                return -EOPNOTSUPP;
2123        }
2124
2125        eee_cfg = bp->link_vars.eee_status;
2126
2127        if (!(eee_cfg & SHMEM_EEE_SUPPORTED_MASK)) {
2128                DP(BNX2X_MSG_ETHTOOL, "Board does not support EEE!\n");
2129                return -EOPNOTSUPP;
2130        }
2131
2132        advertised = bnx2x_adv_to_eee(edata->advertised,
2133                                      SHMEM_EEE_ADV_STATUS_SHIFT);
2134        if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) {
2135                DP(BNX2X_MSG_ETHTOOL,
2136                   "Direct manipulation of EEE advertisement is not supported\n");
2137                return -EINVAL;
2138        }
2139
2140        if (edata->tx_lpi_timer > EEE_MODE_TIMER_MASK) {
2141                DP(BNX2X_MSG_ETHTOOL,
2142                   "Maximal Tx Lpi timer supported is %x(u)\n",
2143                   EEE_MODE_TIMER_MASK);
2144                return -EINVAL;
2145        }
2146        if (edata->tx_lpi_enabled &&
2147            (edata->tx_lpi_timer < EEE_MODE_NVRAM_AGGRESSIVE_TIME)) {
2148                DP(BNX2X_MSG_ETHTOOL,
2149                   "Minimal Tx Lpi timer supported is %d(u)\n",
2150                   EEE_MODE_NVRAM_AGGRESSIVE_TIME);
2151                return -EINVAL;
2152        }
2153
2154        /* All is well; Apply changes*/
2155        if (edata->eee_enabled)
2156                bp->link_params.eee_mode |= EEE_MODE_ADV_LPI;
2157        else
2158                bp->link_params.eee_mode &= ~EEE_MODE_ADV_LPI;
2159
2160        if (edata->tx_lpi_enabled)
2161                bp->link_params.eee_mode |= EEE_MODE_ENABLE_LPI;
2162        else
2163                bp->link_params.eee_mode &= ~EEE_MODE_ENABLE_LPI;
2164
2165        bp->link_params.eee_mode &= ~EEE_MODE_TIMER_MASK;
2166        bp->link_params.eee_mode |= (edata->tx_lpi_timer &
2167                                    EEE_MODE_TIMER_MASK) |
2168                                    EEE_MODE_OVERRIDE_NVRAM |
2169                                    EEE_MODE_OUTPUT_TIME;
2170
2171        /* Restart link to propagate changes */
2172        if (netif_running(dev)) {
2173                bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2174                bnx2x_force_link_reset(bp);
2175                bnx2x_link_set(bp);
2176        }
2177
2178        return 0;
2179}
2180
2181enum {
2182        BNX2X_CHIP_E1_OFST = 0,
2183        BNX2X_CHIP_E1H_OFST,
2184        BNX2X_CHIP_E2_OFST,
2185        BNX2X_CHIP_E3_OFST,
2186        BNX2X_CHIP_E3B0_OFST,
2187        BNX2X_CHIP_MAX_OFST
2188};
2189
2190#define BNX2X_CHIP_MASK_E1      (1 << BNX2X_CHIP_E1_OFST)
2191#define BNX2X_CHIP_MASK_E1H     (1 << BNX2X_CHIP_E1H_OFST)
2192#define BNX2X_CHIP_MASK_E2      (1 << BNX2X_CHIP_E2_OFST)
2193#define BNX2X_CHIP_MASK_E3      (1 << BNX2X_CHIP_E3_OFST)
2194#define BNX2X_CHIP_MASK_E3B0    (1 << BNX2X_CHIP_E3B0_OFST)
2195
2196#define BNX2X_CHIP_MASK_ALL     ((1 << BNX2X_CHIP_MAX_OFST) - 1)
2197#define BNX2X_CHIP_MASK_E1X     (BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H)
2198
2199static int bnx2x_test_registers(struct bnx2x *bp)
2200{
2201        int idx, i, rc = -ENODEV;
2202        u32 wr_val = 0, hw;
2203        int port = BP_PORT(bp);
2204        static const struct {
2205                u32 hw;
2206                u32 offset0;
2207                u32 offset1;
2208                u32 mask;
2209        } reg_tbl[] = {
2210/* 0 */         { BNX2X_CHIP_MASK_ALL,
2211                        BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
2212                { BNX2X_CHIP_MASK_ALL,
2213                        DORQ_REG_DB_ADDR0,              4, 0xffffffff },
2214                { BNX2X_CHIP_MASK_E1X,
2215                        HC_REG_AGG_INT_0,               4, 0x000003ff },
2216                { BNX2X_CHIP_MASK_ALL,
2217                        PBF_REG_MAC_IF0_ENABLE,         4, 0x00000001 },
2218                { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3,
2219                        PBF_REG_P0_INIT_CRD,            4, 0x000007ff },
2220                { BNX2X_CHIP_MASK_E3B0,
2221                        PBF_REG_INIT_CRD_Q0,            4, 0x000007ff },
2222                { BNX2X_CHIP_MASK_ALL,
2223                        PRS_REG_CID_PORT_0,             4, 0x00ffffff },
2224                { BNX2X_CHIP_MASK_ALL,
2225                        PXP2_REG_PSWRQ_CDU0_L2P,        4, 0x000fffff },
2226                { BNX2X_CHIP_MASK_ALL,
2227                        PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
2228                { BNX2X_CHIP_MASK_ALL,
2229                        PXP2_REG_PSWRQ_TM0_L2P,         4, 0x000fffff },
2230/* 10 */        { BNX2X_CHIP_MASK_ALL,
2231                        PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
2232                { BNX2X_CHIP_MASK_ALL,
2233                        PXP2_REG_PSWRQ_TSDM0_L2P,       4, 0x000fffff },
2234                { BNX2X_CHIP_MASK_ALL,
2235                        QM_REG_CONNNUM_0,               4, 0x000fffff },
2236                { BNX2X_CHIP_MASK_ALL,
2237                        TM_REG_LIN0_MAX_ACTIVE_CID,     4, 0x0003ffff },
2238                { BNX2X_CHIP_MASK_ALL,
2239                        SRC_REG_KEYRSS0_0,              40, 0xffffffff },
2240                { BNX2X_CHIP_MASK_ALL,
2241                        SRC_REG_KEYRSS0_7,              40, 0xffffffff },
2242                { BNX2X_CHIP_MASK_ALL,
2243                        XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
2244                { BNX2X_CHIP_MASK_ALL,
2245                        XCM_REG_WU_DA_CNT_CMD00,        4, 0x00000003 },
2246                { BNX2X_CHIP_MASK_ALL,
2247                        XCM_REG_GLB_DEL_ACK_MAX_CNT_0,  4, 0x000000ff },
2248                { BNX2X_CHIP_MASK_ALL,
2249                        NIG_REG_LLH0_T_BIT,             4, 0x00000001 },
2250/* 20 */        { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2251                        NIG_REG_EMAC0_IN_EN,            4, 0x00000001 },
2252                { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2253                        NIG_REG_BMAC0_IN_EN,            4, 0x00000001 },
2254                { BNX2X_CHIP_MASK_ALL,
2255                        NIG_REG_XCM0_OUT_EN,            4, 0x00000001 },
2256                { BNX2X_CHIP_MASK_ALL,
2257                        NIG_REG_BRB0_OUT_EN,            4, 0x00000001 },
2258                { BNX2X_CHIP_MASK_ALL,
2259                        NIG_REG_LLH0_XCM_MASK,          4, 0x00000007 },
2260                { BNX2X_CHIP_MASK_ALL,
2261                        NIG_REG_LLH0_ACPI_PAT_6_LEN,    68, 0x000000ff },
2262                { BNX2X_CHIP_MASK_ALL,
2263                        NIG_REG_LLH0_ACPI_PAT_0_CRC,    68, 0xffffffff },
2264                { BNX2X_CHIP_MASK_ALL,
2265                        NIG_REG_LLH0_DEST_MAC_0_0,      160, 0xffffffff },
2266                { BNX2X_CHIP_MASK_ALL,
2267                        NIG_REG_LLH0_DEST_IP_0_1,       160, 0xffffffff },
2268                { BNX2X_CHIP_MASK_ALL,
2269                        NIG_REG_LLH0_IPV4_IPV6_0,       160, 0x00000001 },
2270/* 30 */        { BNX2X_CHIP_MASK_ALL,
2271                        NIG_REG_LLH0_DEST_UDP_0,        160, 0x0000ffff },
2272                { BNX2X_CHIP_MASK_ALL,
2273                        NIG_REG_LLH0_DEST_TCP_0,        160, 0x0000ffff },
2274                { BNX2X_CHIP_MASK_ALL,
2275                        NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
2276                { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2277                        NIG_REG_XGXS_SERDES0_MODE_SEL,  4, 0x00000001 },
2278                { BNX2X_CHIP_MASK_ALL,
2279                        NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001},
2280                { BNX2X_CHIP_MASK_ALL,
2281                        NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
2282                { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2283                        NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
2284                { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2285                        NIG_REG_SERDES0_CTRL_PHY_ADDR,  16, 0x0000001f },
2286
2287                { BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 }
2288        };
2289
2290        if (!bnx2x_is_nvm_accessible(bp)) {
2291                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2292                   "cannot access eeprom when the interface is down\n");
2293                return rc;
2294        }
2295
2296        if (CHIP_IS_E1(bp))
2297                hw = BNX2X_CHIP_MASK_E1;
2298        else if (CHIP_IS_E1H(bp))
2299                hw = BNX2X_CHIP_MASK_E1H;
2300        else if (CHIP_IS_E2(bp))
2301                hw = BNX2X_CHIP_MASK_E2;
2302        else if (CHIP_IS_E3B0(bp))
2303                hw = BNX2X_CHIP_MASK_E3B0;
2304        else /* e3 A0 */
2305                hw = BNX2X_CHIP_MASK_E3;
2306
2307        /* Repeat the test twice:
2308         * First by writing 0x00000000, second by writing 0xffffffff
2309         */
2310        for (idx = 0; idx < 2; idx++) {
2311
2312                switch (idx) {
2313                case 0:
2314                        wr_val = 0;
2315                        break;
2316                case 1:
2317                        wr_val = 0xffffffff;
2318                        break;
2319                }
2320
2321                for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
2322                        u32 offset, mask, save_val, val;
2323                        if (!(hw & reg_tbl[i].hw))
2324                                continue;
2325
2326                        offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
2327                        mask = reg_tbl[i].mask;
2328
2329                        save_val = REG_RD(bp, offset);
2330
2331                        REG_WR(bp, offset, wr_val & mask);
2332
2333                        val = REG_RD(bp, offset);
2334
2335                        /* Restore the original register's value */
2336                        REG_WR(bp, offset, save_val);
2337
2338                        /* verify value is as expected */
2339                        if ((val & mask) != (wr_val & mask)) {
2340                                DP(BNX2X_MSG_ETHTOOL,
2341                                   "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
2342                                   offset, val, wr_val, mask);
2343                                goto test_reg_exit;
2344                        }
2345                }
2346        }
2347
2348        rc = 0;
2349
2350test_reg_exit:
2351        return rc;
2352}
2353
2354static int bnx2x_test_memory(struct bnx2x *bp)
2355{
2356        int i, j, rc = -ENODEV;
2357        u32 val, index;
2358        static const struct {
2359                u32 offset;
2360                int size;
2361        } mem_tbl[] = {
2362                { CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
2363                { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
2364                { CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
2365                { DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
2366                { TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
2367                { UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
2368                { XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },
2369
2370                { 0xffffffff, 0 }
2371        };
2372
2373        static const struct {
2374                char *name;
2375                u32 offset;
2376                u32 hw_mask[BNX2X_CHIP_MAX_OFST];
2377        } prty_tbl[] = {
2378                { "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,
2379                        {0x3ffc0, 0,   0, 0} },
2380                { "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,
2381                        {0x2,     0x2, 0, 0} },
2382                { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS,
2383                        {0,       0,   0, 0} },
2384                { "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,
2385                        {0x3ffc0, 0,   0, 0} },
2386                { "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,
2387                        {0x3ffc0, 0,   0, 0} },
2388                { "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,
2389                        {0x3ffc1, 0,   0, 0} },
2390
2391                { NULL, 0xffffffff, {0, 0, 0, 0} }
2392        };
2393
2394        if (!bnx2x_is_nvm_accessible(bp)) {
2395                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2396                   "cannot access eeprom when the interface is down\n");
2397                return rc;
2398        }
2399
2400        if (CHIP_IS_E1(bp))
2401                index = BNX2X_CHIP_E1_OFST;
2402        else if (CHIP_IS_E1H(bp))
2403                index = BNX2X_CHIP_E1H_OFST;
2404        else if (CHIP_IS_E2(bp))
2405                index = BNX2X_CHIP_E2_OFST;
2406        else /* e3 */
2407                index = BNX2X_CHIP_E3_OFST;
2408
2409        /* pre-Check the parity status */
2410        for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
2411                val = REG_RD(bp, prty_tbl[i].offset);
2412                if (val & ~(prty_tbl[i].hw_mask[index])) {
2413                        DP(BNX2X_MSG_ETHTOOL,
2414                           "%s is 0x%x\n", prty_tbl[i].name, val);
2415                        goto test_mem_exit;
2416                }
2417        }
2418
2419        /* Go through all the memories */
2420        for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
2421                for (j = 0; j < mem_tbl[i].size; j++)
2422                        REG_RD(bp, mem_tbl[i].offset + j*4);
2423
2424        /* Check the parity status */
2425        for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
2426                val = REG_RD(bp, prty_tbl[i].offset);
2427                if (val & ~(prty_tbl[i].hw_mask[index])) {
2428                        DP(BNX2X_MSG_ETHTOOL,
2429                           "%s is 0x%x\n", prty_tbl[i].name, val);
2430                        goto test_mem_exit;
2431                }
2432        }
2433
2434        rc = 0;
2435
2436test_mem_exit:
2437        return rc;
2438}
2439
2440static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
2441{
2442        int cnt = 1400;
2443
2444        if (link_up) {
2445                while (bnx2x_link_test(bp, is_serdes) && cnt--)
2446                        msleep(20);
2447
2448                if (cnt <= 0 && bnx2x_link_test(bp, is_serdes))
2449                        DP(BNX2X_MSG_ETHTOOL, "Timeout waiting for link up\n");
2450
2451                cnt = 1400;
2452                while (!bp->link_vars.link_up && cnt--)
2453                        msleep(20);
2454
2455                if (cnt <= 0 && !bp->link_vars.link_up)
2456                        DP(BNX2X_MSG_ETHTOOL,
2457                           "Timeout waiting for link init\n");
2458        }
2459}
2460
2461static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode)
2462{
2463        unsigned int pkt_size, num_pkts, i;
2464        struct sk_buff *skb;
2465        unsigned char *packet;
2466        struct bnx2x_fastpath *fp_rx = &bp->fp[0];
2467        struct bnx2x_fastpath *fp_tx = &bp->fp[0];
2468        struct bnx2x_fp_txdata *txdata = fp_tx->txdata_ptr[0];
2469        u16 tx_start_idx, tx_idx;
2470        u16 rx_start_idx, rx_idx;
2471        u16 pkt_prod, bd_prod;
2472        struct sw_tx_bd *tx_buf;
2473        struct eth_tx_start_bd *tx_start_bd;
2474        dma_addr_t mapping;
2475        union eth_rx_cqe *cqe;
2476        u8 cqe_fp_flags, cqe_fp_type;
2477        struct sw_rx_bd *rx_buf;
2478        u16 len;
2479        int rc = -ENODEV;
2480        u8 *data;
2481        struct netdev_queue *txq = netdev_get_tx_queue(bp->dev,
2482                                                       txdata->txq_index);
2483
2484        /* check the loopback mode */
2485        switch (loopback_mode) {
2486        case BNX2X_PHY_LOOPBACK:
2487                if (bp->link_params.loopback_mode != LOOPBACK_XGXS) {
2488                        DP(BNX2X_MSG_ETHTOOL, "PHY loopback not supported\n");
2489                        return -EINVAL;
2490                }
2491                break;
2492        case BNX2X_MAC_LOOPBACK:
2493                if (CHIP_IS_E3(bp)) {
2494                        int cfg_idx = bnx2x_get_link_cfg_idx(bp);
2495                        if (bp->port.supported[cfg_idx] &
2496                            (SUPPORTED_10000baseT_Full |
2497                             SUPPORTED_20000baseMLD2_Full |
2498                             SUPPORTED_20000baseKR2_Full))
2499                                bp->link_params.loopback_mode = LOOPBACK_XMAC;
2500                        else
2501                                bp->link_params.loopback_mode = LOOPBACK_UMAC;
2502                } else
2503                        bp->link_params.loopback_mode = LOOPBACK_BMAC;
2504
2505                bnx2x_phy_init(&bp->link_params, &bp->link_vars);
2506                break;
2507        case BNX2X_EXT_LOOPBACK:
2508                if (bp->link_params.loopback_mode != LOOPBACK_EXT) {
2509                        DP(BNX2X_MSG_ETHTOOL,
2510                           "Can't configure external loopback\n");
2511                        return -EINVAL;
2512                }
2513                break;
2514        default:
2515                DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
2516                return -EINVAL;
2517        }
2518
2519        /* prepare the loopback packet */
2520        pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
2521                     bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
2522        skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size);
2523        if (!skb) {
2524                DP(BNX2X_MSG_ETHTOOL, "Can't allocate skb\n");
2525                rc = -ENOMEM;
2526                goto test_loopback_exit;
2527        }
2528        packet = skb_put(skb, pkt_size);
2529        memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
2530        eth_zero_addr(packet + ETH_ALEN);
2531        memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
2532        for (i = ETH_HLEN; i < pkt_size; i++)
2533                packet[i] = (unsigned char) (i & 0xff);
2534        mapping = dma_map_single(&bp->pdev->dev, skb->data,
2535                                 skb_headlen(skb), DMA_TO_DEVICE);
2536        if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
2537                rc = -ENOMEM;
2538                dev_kfree_skb(skb);
2539                DP(BNX2X_MSG_ETHTOOL, "Unable to map SKB\n");
2540                goto test_loopback_exit;
2541        }
2542
2543        /* send the loopback packet */
2544        num_pkts = 0;
2545        tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb);
2546        rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
2547
2548        netdev_tx_sent_queue(txq, skb->len);
2549
2550        pkt_prod = txdata->tx_pkt_prod++;
2551        tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)];
2552        tx_buf->first_bd = txdata->tx_bd_prod;
2553        tx_buf->skb = skb;
2554        tx_buf->flags = 0;
2555
2556        bd_prod = TX_BD(txdata->tx_bd_prod);
2557        tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd;
2558        tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
2559        tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
2560        tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
2561        tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
2562        tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
2563        tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
2564        SET_FLAG(tx_start_bd->general_data,
2565                 ETH_TX_START_BD_HDR_NBDS,
2566                 1);
2567        SET_FLAG(tx_start_bd->general_data,
2568                 ETH_TX_START_BD_PARSE_NBDS,
2569                 0);
2570
2571        /* turn on parsing and get a BD */
2572        bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
2573
2574        if (CHIP_IS_E1x(bp)) {
2575                u16 global_data = 0;
2576                struct eth_tx_parse_bd_e1x  *pbd_e1x =
2577                        &txdata->tx_desc_ring[bd_prod].parse_bd_e1x;
2578                memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
2579                SET_FLAG(global_data,
2580                         ETH_TX_PARSE_BD_E1X_ETH_ADDR_TYPE, UNICAST_ADDRESS);
2581                pbd_e1x->global_data = cpu_to_le16(global_data);
2582        } else {
2583                u32 parsing_data = 0;
2584                struct eth_tx_parse_bd_e2  *pbd_e2 =
2585                        &txdata->tx_desc_ring[bd_prod].parse_bd_e2;
2586                memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
2587                SET_FLAG(parsing_data,
2588                         ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE, UNICAST_ADDRESS);
2589                pbd_e2->parsing_data = cpu_to_le32(parsing_data);
2590        }
2591        wmb();
2592
2593        txdata->tx_db.data.prod += 2;
2594        barrier();
2595        DOORBELL(bp, txdata->cid, txdata->tx_db.raw);
2596
2597        mmiowb();
2598        barrier();
2599
2600        num_pkts++;
2601        txdata->tx_bd_prod += 2; /* start + pbd */
2602
2603        udelay(100);
2604
2605        tx_idx = le16_to_cpu(*txdata->tx_cons_sb);
2606        if (tx_idx != tx_start_idx + num_pkts)
2607                goto test_loopback_exit;
2608
2609        /* Unlike HC IGU won't generate an interrupt for status block
2610         * updates that have been performed while interrupts were
2611         * disabled.
2612         */
2613        if (bp->common.int_block == INT_BLOCK_IGU) {
2614                /* Disable local BHes to prevent a dead-lock situation between
2615                 * sch_direct_xmit() and bnx2x_run_loopback() (calling
2616                 * bnx2x_tx_int()), as both are taking netif_tx_lock().
2617                 */
2618                local_bh_disable();
2619                bnx2x_tx_int(bp, txdata);
2620                local_bh_enable();
2621        }
2622
2623        rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
2624        if (rx_idx != rx_start_idx + num_pkts)
2625                goto test_loopback_exit;
2626
2627        cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
2628        cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
2629        cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE;
2630        if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
2631                goto test_loopback_rx_exit;
2632
2633        len = le16_to_cpu(cqe->fast_path_cqe.pkt_len_or_gro_seg_len);
2634        if (len != pkt_size)
2635                goto test_loopback_rx_exit;
2636
2637        rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
2638        dma_sync_single_for_cpu(&bp->pdev->dev,
2639                                   dma_unmap_addr(rx_buf, mapping),
2640                                   fp_rx->rx_buf_size, DMA_FROM_DEVICE);
2641        data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset;
2642        for (i = ETH_HLEN; i < pkt_size; i++)
2643                if (*(data + i) != (unsigned char) (i & 0xff))
2644                        goto test_loopback_rx_exit;
2645
2646        rc = 0;
2647
2648test_loopback_rx_exit:
2649
2650        fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
2651        fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
2652        fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
2653        fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);
2654
2655        /* Update producers */
2656        bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
2657                             fp_rx->rx_sge_prod);
2658
2659test_loopback_exit:
2660        bp->link_params.loopback_mode = LOOPBACK_NONE;
2661
2662        return rc;
2663}
2664
2665static int bnx2x_test_loopback(struct bnx2x *bp)
2666{
2667        int rc = 0, res;
2668
2669        if (BP_NOMCP(bp))
2670                return rc;
2671
2672        if (!netif_running(bp->dev))
2673                return BNX2X_LOOPBACK_FAILED;
2674
2675        bnx2x_netif_stop(bp, 1);
2676        bnx2x_acquire_phy_lock(bp);
2677
2678        res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK);
2679        if (res) {
2680                DP(BNX2X_MSG_ETHTOOL, "  PHY loopback failed  (res %d)\n", res);
2681                rc |= BNX2X_PHY_LOOPBACK_FAILED;
2682        }
2683
2684        res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK);
2685        if (res) {
2686                DP(BNX2X_MSG_ETHTOOL, "  MAC loopback failed  (res %d)\n", res);
2687                rc |= BNX2X_MAC_LOOPBACK_FAILED;
2688        }
2689
2690        bnx2x_release_phy_lock(bp);
2691        bnx2x_netif_start(bp);
2692
2693        return rc;
2694}
2695
2696static int bnx2x_test_ext_loopback(struct bnx2x *bp)
2697{
2698        int rc;
2699        u8 is_serdes =
2700                (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
2701
2702        if (BP_NOMCP(bp))
2703                return -ENODEV;
2704
2705        if (!netif_running(bp->dev))
2706                return BNX2X_EXT_LOOPBACK_FAILED;
2707
2708        bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
2709        rc = bnx2x_nic_load(bp, LOAD_LOOPBACK_EXT);
2710        if (rc) {
2711                DP(BNX2X_MSG_ETHTOOL,
2712                   "Can't perform self-test, nic_load (for external lb) failed\n");
2713                return -ENODEV;
2714        }
2715        bnx2x_wait_for_link(bp, 1, is_serdes);
2716
2717        bnx2x_netif_stop(bp, 1);
2718
2719        rc = bnx2x_run_loopback(bp, BNX2X_EXT_LOOPBACK);
2720        if (rc)
2721                DP(BNX2X_MSG_ETHTOOL, "EXT loopback failed  (res %d)\n", rc);
2722
2723        bnx2x_netif_start(bp);
2724
2725        return rc;
2726}
2727
2728struct code_entry {
2729        u32 sram_start_addr;
2730        u32 code_attribute;
2731#define CODE_IMAGE_TYPE_MASK                    0xf0800003
2732#define CODE_IMAGE_VNTAG_PROFILES_DATA          0xd0000003
2733#define CODE_IMAGE_LENGTH_MASK                  0x007ffffc
2734#define CODE_IMAGE_TYPE_EXTENDED_DIR            0xe0000000
2735        u32 nvm_start_addr;
2736};
2737
2738#define CODE_ENTRY_MAX                  16
2739#define CODE_ENTRY_EXTENDED_DIR_IDX     15
2740#define MAX_IMAGES_IN_EXTENDED_DIR      64
2741#define NVRAM_DIR_OFFSET                0x14
2742
2743#define EXTENDED_DIR_EXISTS(code)                                         \
2744        ((code & CODE_IMAGE_TYPE_MASK) == CODE_IMAGE_TYPE_EXTENDED_DIR && \
2745         (code & CODE_IMAGE_LENGTH_MASK) != 0)
2746
2747#define CRC32_RESIDUAL                  0xdebb20e3
2748#define CRC_BUFF_SIZE                   256
2749
2750static int bnx2x_nvram_crc(struct bnx2x *bp,
2751                           int offset,
2752                           int size,
2753                           u8 *buff)
2754{
2755        u32 crc = ~0;
2756        int rc = 0, done = 0;
2757
2758        DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2759           "NVRAM CRC from 0x%08x to 0x%08x\n", offset, offset + size);
2760
2761        while (done < size) {
2762                int count = min_t(int, size - done, CRC_BUFF_SIZE);
2763
2764                rc = bnx2x_nvram_read(bp, offset + done, buff, count);
2765
2766                if (rc)
2767                        return rc;
2768
2769                crc = crc32_le(crc, buff, count);
2770                done += count;
2771        }
2772
2773        if (crc != CRC32_RESIDUAL)
2774                rc = -EINVAL;
2775
2776        return rc;
2777}
2778
2779static int bnx2x_test_nvram_dir(struct bnx2x *bp,
2780                                struct code_entry *entry,
2781                                u8 *buff)
2782{
2783        size_t size = entry->code_attribute & CODE_IMAGE_LENGTH_MASK;
2784        u32 type = entry->code_attribute & CODE_IMAGE_TYPE_MASK;
2785        int rc;
2786
2787        /* Zero-length images and AFEX profiles do not have CRC */
2788        if (size == 0 || type == CODE_IMAGE_VNTAG_PROFILES_DATA)
2789                return 0;
2790
2791        rc = bnx2x_nvram_crc(bp, entry->nvm_start_addr, size, buff);
2792        if (rc)
2793                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2794                   "image %x has failed crc test (rc %d)\n", type, rc);
2795
2796        return rc;
2797}
2798
2799static int bnx2x_test_dir_entry(struct bnx2x *bp, u32 addr, u8 *buff)
2800{
2801        int rc;
2802        struct code_entry entry;
2803
2804        rc = bnx2x_nvram_read32(bp, addr, (u32 *)&entry, sizeof(entry));
2805        if (rc)
2806                return rc;
2807
2808        return bnx2x_test_nvram_dir(bp, &entry, buff);
2809}
2810
2811static int bnx2x_test_nvram_ext_dirs(struct bnx2x *bp, u8 *buff)
2812{
2813        u32 rc, cnt, dir_offset = NVRAM_DIR_OFFSET;
2814        struct code_entry entry;
2815        int i;
2816
2817        rc = bnx2x_nvram_read32(bp,
2818                                dir_offset +
2819                                sizeof(entry) * CODE_ENTRY_EXTENDED_DIR_IDX,
2820                                (u32 *)&entry, sizeof(entry));
2821        if (rc)
2822                return rc;
2823
2824        if (!EXTENDED_DIR_EXISTS(entry.code_attribute))
2825                return 0;
2826
2827        rc = bnx2x_nvram_read32(bp, entry.nvm_start_addr,
2828                                &cnt, sizeof(u32));
2829        if (rc)
2830                return rc;
2831
2832        dir_offset = entry.nvm_start_addr + 8;
2833
2834        for (i = 0; i < cnt && i < MAX_IMAGES_IN_EXTENDED_DIR; i++) {
2835                rc = bnx2x_test_dir_entry(bp, dir_offset +
2836                                              sizeof(struct code_entry) * i,
2837                                          buff);
2838                if (rc)
2839                        return rc;
2840        }
2841
2842        return 0;
2843}
2844
2845static int bnx2x_test_nvram_dirs(struct bnx2x *bp, u8 *buff)
2846{
2847        u32 rc, dir_offset = NVRAM_DIR_OFFSET;
2848        int i;
2849
2850        DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "NVRAM DIRS CRC test-set\n");
2851
2852        for (i = 0; i < CODE_ENTRY_EXTENDED_DIR_IDX; i++) {
2853                rc = bnx2x_test_dir_entry(bp, dir_offset +
2854                                              sizeof(struct code_entry) * i,
2855                                          buff);
2856                if (rc)
2857                        return rc;
2858        }
2859
2860        return bnx2x_test_nvram_ext_dirs(bp, buff);
2861}
2862
2863struct crc_pair {
2864        int offset;
2865        int size;
2866};
2867
2868static int bnx2x_test_nvram_tbl(struct bnx2x *bp,
2869                                const struct crc_pair *nvram_tbl, u8 *buf)
2870{
2871        int i;
2872
2873        for (i = 0; nvram_tbl[i].size; i++) {
2874                int rc = bnx2x_nvram_crc(bp, nvram_tbl[i].offset,
2875                                         nvram_tbl[i].size, buf);
2876                if (rc) {
2877                        DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2878                           "nvram_tbl[%d] has failed crc test (rc %d)\n",
2879                           i, rc);
2880                        return rc;
2881                }
2882        }
2883
2884        return 0;
2885}
2886
2887static int bnx2x_test_nvram(struct bnx2x *bp)
2888{
2889        static const struct crc_pair nvram_tbl[] = {
2890                {     0,  0x14 }, /* bootstrap */
2891                {  0x14,  0xec }, /* dir */
2892                { 0x100, 0x350 }, /* manuf_info */
2893                { 0x450,  0xf0 }, /* feature_info */
2894                { 0x640,  0x64 }, /* upgrade_key_info */
2895                { 0x708,  0x70 }, /* manuf_key_info */
2896                {     0,     0 }
2897        };
2898        static const struct crc_pair nvram_tbl2[] = {
2899                { 0x7e8, 0x350 }, /* manuf_info2 */
2900                { 0xb38,  0xf0 }, /* feature_info */
2901                {     0,     0 }
2902        };
2903
2904        u8 *buf;
2905        int rc;
2906        u32 magic;
2907
2908        if (BP_NOMCP(bp))
2909                return 0;
2910
2911        buf = kmalloc(CRC_BUFF_SIZE, GFP_KERNEL);
2912        if (!buf) {
2913                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "kmalloc failed\n");
2914                rc = -ENOMEM;
2915                goto test_nvram_exit;
2916        }
2917
2918        rc = bnx2x_nvram_read32(bp, 0, &magic, sizeof(magic));
2919        if (rc) {
2920                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2921                   "magic value read (rc %d)\n", rc);
2922                goto test_nvram_exit;
2923        }
2924
2925        if (magic != 0x669955aa) {
2926                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2927                   "wrong magic value (0x%08x)\n", magic);
2928                rc = -ENODEV;
2929                goto test_nvram_exit;
2930        }
2931
2932        DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "Port 0 CRC test-set\n");
2933        rc = bnx2x_test_nvram_tbl(bp, nvram_tbl, buf);
2934        if (rc)
2935                goto test_nvram_exit;
2936
2937        if (!CHIP_IS_E1x(bp) && !CHIP_IS_57811xx(bp)) {
2938                u32 hide = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
2939                           SHARED_HW_CFG_HIDE_PORT1;
2940
2941                if (!hide) {
2942                        DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2943                           "Port 1 CRC test-set\n");
2944                        rc = bnx2x_test_nvram_tbl(bp, nvram_tbl2, buf);
2945                        if (rc)
2946                                goto test_nvram_exit;
2947                }
2948        }
2949
2950        rc = bnx2x_test_nvram_dirs(bp, buf);
2951
2952test_nvram_exit:
2953        kfree(buf);
2954        return rc;
2955}
2956
2957/* Send an EMPTY ramrod on the first queue */
2958static int bnx2x_test_intr(struct bnx2x *bp)
2959{
2960        struct bnx2x_queue_state_params params = {NULL};
2961
2962        if (!netif_running(bp->dev)) {
2963                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2964                   "cannot access eeprom when the interface is down\n");
2965                return -ENODEV;
2966        }
2967
2968        params.q_obj = &bp->sp_objs->q_obj;
2969        params.cmd = BNX2X_Q_CMD_EMPTY;
2970
2971        __set_bit(RAMROD_COMP_WAIT, &params.ramrod_flags);
2972
2973        return bnx2x_queue_state_change(bp, &params);
2974}
2975
2976static void bnx2x_self_test(struct net_device *dev,
2977                            struct ethtool_test *etest, u64 *buf)
2978{
2979        struct bnx2x *bp = netdev_priv(dev);
2980        u8 is_serdes, link_up;
2981        int rc, cnt = 0;
2982
2983        if (pci_num_vf(bp->pdev)) {
2984                DP(BNX2X_MSG_IOV,
2985                   "VFs are enabled, can not perform self test\n");
2986                return;
2987        }
2988
2989        if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
2990                netdev_err(bp->dev,
2991                           "Handling parity error recovery. Try again later\n");
2992                etest->flags |= ETH_TEST_FL_FAILED;
2993                return;
2994        }
2995
2996        DP(BNX2X_MSG_ETHTOOL,
2997           "Self-test command parameters: offline = %d, external_lb = %d\n",
2998           (etest->flags & ETH_TEST_FL_OFFLINE),
2999           (etest->flags & ETH_TEST_FL_EXTERNAL_LB)>>2);
3000
3001        memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS(bp));
3002
3003        if (bnx2x_test_nvram(bp) != 0) {
3004                if (!IS_MF(bp))
3005                        buf[4] = 1;
3006                else
3007                        buf[0] = 1;
3008                etest->flags |= ETH_TEST_FL_FAILED;
3009        }
3010
3011        if (!netif_running(dev)) {
3012                DP(BNX2X_MSG_ETHTOOL, "Interface is down\n");
3013                return;
3014        }
3015
3016        is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
3017        link_up = bp->link_vars.link_up;
3018        /* offline tests are not supported in MF mode */
3019        if ((etest->flags & ETH_TEST_FL_OFFLINE) && !IS_MF(bp)) {
3020                int port = BP_PORT(bp);
3021                u32 val;
3022
3023                /* save current value of input enable for TX port IF */
3024                val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
3025                /* disable input for TX port IF */
3026                REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
3027
3028                bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
3029                rc = bnx2x_nic_load(bp, LOAD_DIAG);
3030                if (rc) {
3031                        etest->flags |= ETH_TEST_FL_FAILED;
3032                        DP(BNX2X_MSG_ETHTOOL,
3033                           "Can't perform self-test, nic_load (for offline) failed\n");
3034                        return;
3035                }
3036
3037                /* wait until link state is restored */
3038                bnx2x_wait_for_link(bp, 1, is_serdes);
3039
3040                if (bnx2x_test_registers(bp) != 0) {
3041                        buf[0] = 1;
3042                        etest->flags |= ETH_TEST_FL_FAILED;
3043                }
3044                if (bnx2x_test_memory(bp) != 0) {
3045                        buf[1] = 1;
3046                        etest->flags |= ETH_TEST_FL_FAILED;
3047                }
3048
3049                buf[2] = bnx2x_test_loopback(bp); /* internal LB */
3050                if (buf[2] != 0)
3051                        etest->flags |= ETH_TEST_FL_FAILED;
3052
3053                if (etest->flags & ETH_TEST_FL_EXTERNAL_LB) {
3054                        buf[3] = bnx2x_test_ext_loopback(bp); /* external LB */
3055                        if (buf[3] != 0)
3056                                etest->flags |= ETH_TEST_FL_FAILED;
3057                        etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
3058                }
3059
3060                bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
3061
3062                /* restore input for TX port IF */
3063                REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
3064                rc = bnx2x_nic_load(bp, LOAD_NORMAL);
3065                if (rc) {
3066                        etest->flags |= ETH_TEST_FL_FAILED;
3067                        DP(BNX2X_MSG_ETHTOOL,
3068                           "Can't perform self-test, nic_load (for online) failed\n");
3069                        return;
3070                }
3071                /* wait until link state is restored */
3072                bnx2x_wait_for_link(bp, link_up, is_serdes);
3073        }
3074
3075        if (bnx2x_test_intr(bp) != 0) {
3076                if (!IS_MF(bp))
3077                        buf[5] = 1;
3078                else
3079                        buf[1] = 1;
3080                etest->flags |= ETH_TEST_FL_FAILED;
3081        }
3082
3083        if (link_up) {
3084                cnt = 100;
3085                while (bnx2x_link_test(bp, is_serdes) && --cnt)
3086                        msleep(20);
3087        }
3088
3089        if (!cnt) {
3090                if (!IS_MF(bp))
3091                        buf[6] = 1;
3092                else
3093                        buf[2] = 1;
3094                etest->flags |= ETH_TEST_FL_FAILED;
3095        }
3096}
3097
3098#define IS_PORT_STAT(i)         (bnx2x_stats_arr[i].is_port_stat)
3099#define HIDE_PORT_STAT(bp)      IS_VF(bp)
3100
3101/* ethtool statistics are displayed for all regular ethernet queues and the
3102 * fcoe L2 queue if not disabled
3103 */
3104static int bnx2x_num_stat_queues(struct bnx2x *bp)
3105{
3106        return BNX2X_NUM_ETH_QUEUES(bp);
3107}
3108
3109static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
3110{
3111        struct bnx2x *bp = netdev_priv(dev);
3112        int i, num_strings = 0;
3113
3114        switch (stringset) {
3115        case ETH_SS_STATS:
3116                if (is_multi(bp)) {
3117                        num_strings = bnx2x_num_stat_queues(bp) *
3118                                      BNX2X_NUM_Q_STATS;
3119                } else
3120                        num_strings = 0;
3121                if (HIDE_PORT_STAT(bp)) {
3122                        for (i = 0; i < BNX2X_NUM_STATS; i++)
3123                                if (!IS_PORT_STAT(i))
3124                                        num_strings++;
3125                } else
3126                        num_strings += BNX2X_NUM_STATS;
3127
3128                return num_strings;
3129
3130        case ETH_SS_TEST:
3131                return BNX2X_NUM_TESTS(bp);
3132
3133        case ETH_SS_PRIV_FLAGS:
3134                return BNX2X_PRI_FLAG_LEN;
3135
3136        default:
3137                return -EINVAL;
3138        }
3139}
3140
3141static u32 bnx2x_get_private_flags(struct net_device *dev)
3142{
3143        struct bnx2x *bp = netdev_priv(dev);
3144        u32 flags = 0;
3145
3146        flags |= (!(bp->flags & NO_ISCSI_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_ISCSI;
3147        flags |= (!(bp->flags & NO_FCOE_FLAG)  ? 1 : 0) << BNX2X_PRI_FLAG_FCOE;
3148        flags |= (!!IS_MF_STORAGE_ONLY(bp)) << BNX2X_PRI_FLAG_STORAGE;
3149
3150        return flags;
3151}
3152
3153static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
3154{
3155        struct bnx2x *bp = netdev_priv(dev);
3156        int i, j, k, start;
3157        char queue_name[MAX_QUEUE_NAME_LEN+1];
3158
3159        switch (stringset) {
3160        case ETH_SS_STATS:
3161                k = 0;
3162                if (is_multi(bp)) {
3163                        for_each_eth_queue(bp, i) {
3164                                memset(queue_name, 0, sizeof(queue_name));
3165                                snprintf(queue_name, sizeof(queue_name),
3166                                         "%d", i);
3167                                for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
3168                                        snprintf(buf + (k + j)*ETH_GSTRING_LEN,
3169                                                ETH_GSTRING_LEN,
3170                                                bnx2x_q_stats_arr[j].string,
3171                                                queue_name);
3172                                k += BNX2X_NUM_Q_STATS;
3173                        }
3174                }
3175
3176                for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
3177                        if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i))
3178                                continue;
3179                        strcpy(buf + (k + j)*ETH_GSTRING_LEN,
3180                                   bnx2x_stats_arr[i].string);
3181                        j++;
3182                }
3183
3184                break;
3185
3186        case ETH_SS_TEST:
3187                /* First 4 tests cannot be done in MF mode */
3188                if (!IS_MF(bp))
3189                        start = 0;
3190                else
3191                        start = 4;
3192                memcpy(buf, bnx2x_tests_str_arr + start,
3193                       ETH_GSTRING_LEN * BNX2X_NUM_TESTS(bp));
3194                break;
3195
3196        case ETH_SS_PRIV_FLAGS:
3197                memcpy(buf, bnx2x_private_arr,
3198                       ETH_GSTRING_LEN * BNX2X_PRI_FLAG_LEN);
3199                break;
3200        }
3201}
3202
3203static void bnx2x_get_ethtool_stats(struct net_device *dev,
3204                                    struct ethtool_stats *stats, u64 *buf)
3205{
3206        struct bnx2x *bp = netdev_priv(dev);
3207        u32 *hw_stats, *offset;
3208        int i, j, k = 0;
3209
3210        if (is_multi(bp)) {
3211                for_each_eth_queue(bp, i) {
3212                        hw_stats = (u32 *)&bp->fp_stats[i].eth_q_stats;
3213                        for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
3214                                if (bnx2x_q_stats_arr[j].size == 0) {
3215                                        /* skip this counter */
3216                                        buf[k + j] = 0;
3217                                        continue;
3218                                }
3219                                offset = (hw_stats +
3220                                          bnx2x_q_stats_arr[j].offset);
3221                                if (bnx2x_q_stats_arr[j].size == 4) {
3222                                        /* 4-byte counter */
3223                                        buf[k + j] = (u64) *offset;
3224                                        continue;
3225                                }
3226                                /* 8-byte counter */
3227                                buf[k + j] = HILO_U64(*offset, *(offset + 1));
3228                        }
3229                        k += BNX2X_NUM_Q_STATS;
3230                }
3231        }
3232
3233        hw_stats = (u32 *)&bp->eth_stats;
3234        for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
3235                if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i))
3236                        continue;
3237                if (bnx2x_stats_arr[i].size == 0) {
3238                        /* skip this counter */
3239                        buf[k + j] = 0;
3240                        j++;
3241                        continue;
3242                }
3243                offset = (hw_stats + bnx2x_stats_arr[i].offset);
3244                if (bnx2x_stats_arr[i].size == 4) {
3245                        /* 4-byte counter */
3246                        buf[k + j] = (u64) *offset;
3247                        j++;
3248                        continue;
3249                }
3250                /* 8-byte counter */
3251                buf[k + j] = HILO_U64(*offset, *(offset + 1));
3252                j++;
3253        }
3254}
3255
3256static int bnx2x_set_phys_id(struct net_device *dev,
3257                             enum ethtool_phys_id_state state)
3258{
3259        struct bnx2x *bp = netdev_priv(dev);
3260
3261        if (!bnx2x_is_nvm_accessible(bp)) {
3262                DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
3263                   "cannot access eeprom when the interface is down\n");
3264                return -EAGAIN;
3265        }
3266
3267        switch (state) {
3268        case ETHTOOL_ID_ACTIVE:
3269                return 1;       /* cycle on/off once per second */
3270
3271        case ETHTOOL_ID_ON:
3272                bnx2x_acquire_phy_lock(bp);
3273                bnx2x_set_led(&bp->link_params, &bp->link_vars,
3274                              LED_MODE_ON, SPEED_1000);
3275                bnx2x_release_phy_lock(bp);
3276                break;
3277
3278        case ETHTOOL_ID_OFF:
3279                bnx2x_acquire_phy_lock(bp);
3280                bnx2x_set_led(&bp->link_params, &bp->link_vars,
3281                              LED_MODE_FRONT_PANEL_OFF, 0);
3282                bnx2x_release_phy_lock(bp);
3283                break;
3284
3285        case ETHTOOL_ID_INACTIVE:
3286                bnx2x_acquire_phy_lock(bp);
3287                bnx2x_set_led(&bp->link_params, &bp->link_vars,
3288                              LED_MODE_OPER,
3289                              bp->link_vars.line_speed);
3290                bnx2x_release_phy_lock(bp);
3291        }
3292
3293        return 0;
3294}
3295
3296static int bnx2x_get_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
3297{
3298        switch (info->flow_type) {
3299        case TCP_V4_FLOW:
3300        case TCP_V6_FLOW:
3301                info->data = RXH_IP_SRC | RXH_IP_DST |
3302                             RXH_L4_B_0_1 | RXH_L4_B_2_3;
3303                break;
3304        case UDP_V4_FLOW:
3305                if (bp->rss_conf_obj.udp_rss_v4)
3306                        info->data = RXH_IP_SRC | RXH_IP_DST |
3307                                     RXH_L4_B_0_1 | RXH_L4_B_2_3;
3308                else
3309                        info->data = RXH_IP_SRC | RXH_IP_DST;
3310                break;
3311        case UDP_V6_FLOW:
3312                if (bp->rss_conf_obj.udp_rss_v6)
3313                        info->data = RXH_IP_SRC | RXH_IP_DST |
3314                                     RXH_L4_B_0_1 | RXH_L4_B_2_3;
3315                else
3316                        info->data = RXH_IP_SRC | RXH_IP_DST;
3317                break;
3318        case IPV4_FLOW:
3319        case IPV6_FLOW:
3320                info->data = RXH_IP_SRC | RXH_IP_DST;
3321                break;
3322        default:
3323                info->data = 0;
3324                break;
3325        }
3326
3327        return 0;
3328}
3329
3330static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
3331                           u32 *rules __always_unused)
3332{
3333        struct bnx2x *bp = netdev_priv(dev);
3334
3335        switch (info->cmd) {
3336        case ETHTOOL_GRXRINGS:
3337                info->data = BNX2X_NUM_ETH_QUEUES(bp);
3338                return 0;
3339        case ETHTOOL_GRXFH:
3340                return bnx2x_get_rss_flags(bp, info);
3341        default:
3342                DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
3343                return -EOPNOTSUPP;
3344        }
3345}
3346
3347static int bnx2x_set_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
3348{
3349        int udp_rss_requested;
3350
3351        DP(BNX2X_MSG_ETHTOOL,
3352           "Set rss flags command parameters: flow type = %d, data = %llu\n",
3353           info->flow_type, info->data);
3354
3355        switch (info->flow_type) {
3356        case TCP_V4_FLOW:
3357        case TCP_V6_FLOW:
3358                /* For TCP only 4-tupple hash is supported */
3359                if (info->data ^ (RXH_IP_SRC | RXH_IP_DST |
3360                                  RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
3361                        DP(BNX2X_MSG_ETHTOOL,
3362                           "Command parameters not supported\n");
3363                        return -EINVAL;
3364                }
3365                return 0;
3366
3367        case UDP_V4_FLOW:
3368        case UDP_V6_FLOW:
3369                /* For UDP either 2-tupple hash or 4-tupple hash is supported */
3370                if (info->data == (RXH_IP_SRC | RXH_IP_DST |
3371                                   RXH_L4_B_0_1 | RXH_L4_B_2_3))
3372                        udp_rss_requested = 1;
3373                else if (info->data == (RXH_IP_SRC | RXH_IP_DST))
3374                        udp_rss_requested = 0;
3375                else
3376                        return -EINVAL;
3377
3378                if (CHIP_IS_E1x(bp) && udp_rss_requested) {
3379                        DP(BNX2X_MSG_ETHTOOL,
3380                           "57710, 57711 boards don't support RSS according to UDP 4-tuple\n");
3381                        return -EINVAL;
3382                }
3383
3384                if ((info->flow_type == UDP_V4_FLOW) &&
3385                    (bp->rss_conf_obj.udp_rss_v4 != udp_rss_requested)) {
3386                        bp->rss_conf_obj.udp_rss_v4 = udp_rss_requested;
3387                        DP(BNX2X_MSG_ETHTOOL,
3388                           "rss re-configured, UDP 4-tupple %s\n",
3389                           udp_rss_requested ? "enabled" : "disabled");
3390                        return bnx2x_rss(bp, &bp->rss_conf_obj, false, true);
3391                } else if ((info->flow_type == UDP_V6_FLOW) &&
3392                           (bp->rss_conf_obj.udp_rss_v6 != udp_rss_requested)) {
3393                        bp->rss_conf_obj.udp_rss_v6 = udp_rss_requested;
3394                        DP(BNX2X_MSG_ETHTOOL,
3395                           "rss re-configured, UDP 4-tupple %s\n",
3396                           udp_rss_requested ? "enabled" : "disabled");
3397                        return bnx2x_rss(bp, &bp->rss_conf_obj, false, true);
3398                }
3399                return 0;
3400
3401        case IPV4_FLOW:
3402        case IPV6_FLOW:
3403                /* For IP only 2-tupple hash is supported */
3404                if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) {
3405                        DP(BNX2X_MSG_ETHTOOL,
3406                           "Command parameters not supported\n");
3407                        return -EINVAL;
3408                }
3409                return 0;
3410
3411        case SCTP_V4_FLOW:
3412        case AH_ESP_V4_FLOW:
3413        case AH_V4_FLOW:
3414        case ESP_V4_FLOW:
3415        case SCTP_V6_FLOW:
3416        case AH_ESP_V6_FLOW:
3417        case AH_V6_FLOW:
3418        case ESP_V6_FLOW:
3419        case IP_USER_FLOW:
3420        case ETHER_FLOW:
3421                /* RSS is not supported for these protocols */
3422                if (info->data) {
3423                        DP(BNX2X_MSG_ETHTOOL,
3424                           "Command parameters not supported\n");
3425                        return -EINVAL;
3426                }
3427                return 0;
3428
3429        default:
3430                return -EINVAL;
3431        }
3432}
3433
3434static int bnx2x_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info)
3435{
3436        struct bnx2x *bp = netdev_priv(dev);
3437
3438        switch (info->cmd) {
3439        case ETHTOOL_SRXFH:
3440                return bnx2x_set_rss_flags(bp, info);
3441        default:
3442                DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
3443                return -EOPNOTSUPP;
3444        }
3445}
3446
3447static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev)
3448{
3449        return T_ETH_INDIRECTION_TABLE_SIZE;
3450}
3451
3452static int bnx2x_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
3453                          u8 *hfunc)
3454{
3455        struct bnx2x *bp = netdev_priv(dev);
3456        u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
3457        size_t i;
3458
3459        if (hfunc)
3460                *hfunc = ETH_RSS_HASH_TOP;
3461        if (!indir)
3462                return 0;
3463
3464        /* Get the current configuration of the RSS indirection table */
3465        bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table);
3466
3467        /*
3468         * We can't use a memcpy() as an internal storage of an
3469         * indirection table is a u8 array while indir->ring_index
3470         * points to an array of u32.
3471         *
3472         * Indirection table contains the FW Client IDs, so we need to
3473         * align the returned table to the Client ID of the leading RSS
3474         * queue.
3475         */
3476        for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++)
3477                indir[i] = ind_table[i] - bp->fp->cl_id;
3478
3479        return 0;
3480}
3481
3482static int bnx2x_set_rxfh(struct net_device *dev, const u32 *indir,
3483                          const u8 *key, const u8 hfunc)
3484{
3485        struct bnx2x *bp = netdev_priv(dev);
3486        size_t i;
3487
3488        /* We require at least one supported parameter to be changed and no
3489         * change in any of the unsupported parameters
3490         */
3491        if (key ||
3492            (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
3493                return -EOPNOTSUPP;
3494
3495        if (!indir)
3496                return 0;
3497
3498        for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) {
3499                /*
3500                 * The same as in bnx2x_get_rxfh: we can't use a memcpy()
3501                 * as an internal storage of an indirection table is a u8 array
3502                 * while indir->ring_index points to an array of u32.
3503                 *
3504                 * Indirection table contains the FW Client IDs, so we need to
3505                 * align the received table to the Client ID of the leading RSS
3506                 * queue
3507                 */
3508                bp->rss_conf_obj.ind_table[i] = indir[i] + bp->fp->cl_id;
3509        }
3510
3511        return bnx2x_config_rss_eth(bp, false);
3512}
3513
3514/**
3515 * bnx2x_get_channels - gets the number of RSS queues.
3516 *
3517 * @dev:                net device
3518 * @channels:           returns the number of max / current queues
3519 */
3520static void bnx2x_get_channels(struct net_device *dev,
3521                               struct ethtool_channels *channels)
3522{
3523        struct bnx2x *bp = netdev_priv(dev);
3524
3525        channels->max_combined = BNX2X_MAX_RSS_COUNT(bp);
3526        channels->combined_count = BNX2X_NUM_ETH_QUEUES(bp);
3527}
3528
3529/**
3530 * bnx2x_change_num_queues - change the number of RSS queues.
3531 *
3532 * @bp:                 bnx2x private structure
3533 *
3534 * Re-configure interrupt mode to get the new number of MSI-X
3535 * vectors and re-add NAPI objects.
3536 */
3537static void bnx2x_change_num_queues(struct bnx2x *bp, int num_rss)
3538{
3539        bnx2x_disable_msi(bp);
3540        bp->num_ethernet_queues = num_rss;
3541        bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
3542        BNX2X_DEV_INFO("set number of queues to %d\n", bp->num_queues);
3543        bnx2x_set_int_mode(bp);
3544}
3545
3546/**
3547 * bnx2x_set_channels - sets the number of RSS queues.
3548 *
3549 * @dev:                net device
3550 * @channels:           includes the number of queues requested
3551 */
3552static int bnx2x_set_channels(struct net_device *dev,
3553                              struct ethtool_channels *channels)
3554{
3555        struct bnx2x *bp = netdev_priv(dev);
3556
3557        DP(BNX2X_MSG_ETHTOOL,
3558           "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n",
3559           channels->rx_count, channels->tx_count, channels->other_count,
3560           channels->combined_count);
3561
3562        if (pci_num_vf(bp->pdev)) {
3563                DP(BNX2X_MSG_IOV, "VFs are enabled, can not set channels\n");
3564                return -EPERM;
3565        }
3566
3567        /* We don't support separate rx / tx channels.
3568         * We don't allow setting 'other' channels.
3569         */
3570        if (channels->rx_count || channels->tx_count || channels->other_count
3571            || (channels->combined_count == 0) ||
3572            (channels->combined_count > BNX2X_MAX_RSS_COUNT(bp))) {
3573                DP(BNX2X_MSG_ETHTOOL, "command parameters not supported\n");
3574                return -EINVAL;
3575        }
3576
3577        /* Check if there was a change in the active parameters */
3578        if (channels->combined_count == BNX2X_NUM_ETH_QUEUES(bp)) {
3579                DP(BNX2X_MSG_ETHTOOL, "No change in active parameters\n");
3580                return 0;
3581        }
3582
3583        /* Set the requested number of queues in bp context.
3584         * Note that the actual number of queues created during load may be
3585         * less than requested if memory is low.
3586         */
3587        if (unlikely(!netif_running(dev))) {
3588                bnx2x_change_num_queues(bp, channels->combined_count);
3589                return 0;
3590        }
3591        bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
3592        bnx2x_change_num_queues(bp, channels->combined_count);
3593        return bnx2x_nic_load(bp, LOAD_NORMAL);
3594}
3595
3596static int bnx2x_get_ts_info(struct net_device *dev,
3597                             struct ethtool_ts_info *info)
3598{
3599        struct bnx2x *bp = netdev_priv(dev);
3600
3601        if (bp->flags & PTP_SUPPORTED) {
3602                info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3603                                        SOF_TIMESTAMPING_RX_SOFTWARE |
3604                                        SOF_TIMESTAMPING_SOFTWARE |
3605                                        SOF_TIMESTAMPING_TX_HARDWARE |
3606                                        SOF_TIMESTAMPING_RX_HARDWARE |
3607                                        SOF_TIMESTAMPING_RAW_HARDWARE;
3608
3609                if (bp->ptp_clock)
3610                        info->phc_index = ptp_clock_index(bp->ptp_clock);
3611                else
3612                        info->phc_index = -1;
3613
3614                info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
3615                                   (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
3616                                   (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
3617                                   (1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
3618
3619                info->tx_types = (1 << HWTSTAMP_TX_OFF)|(1 << HWTSTAMP_TX_ON);
3620
3621                return 0;
3622        }
3623
3624        return ethtool_op_get_ts_info(dev, info);
3625}
3626
3627static const struct ethtool_ops bnx2x_ethtool_ops = {
3628        .get_drvinfo            = bnx2x_get_drvinfo,
3629        .get_regs_len           = bnx2x_get_regs_len,
3630        .get_regs               = bnx2x_get_regs,
3631        .get_dump_flag          = bnx2x_get_dump_flag,
3632        .get_dump_data          = bnx2x_get_dump_data,
3633        .set_dump               = bnx2x_set_dump,
3634        .get_wol                = bnx2x_get_wol,
3635        .set_wol                = bnx2x_set_wol,
3636        .get_msglevel           = bnx2x_get_msglevel,
3637        .set_msglevel           = bnx2x_set_msglevel,
3638        .nway_reset             = bnx2x_nway_reset,
3639        .get_link               = bnx2x_get_link,
3640        .get_eeprom_len         = bnx2x_get_eeprom_len,
3641        .get_eeprom             = bnx2x_get_eeprom,
3642        .set_eeprom             = bnx2x_set_eeprom,
3643        .get_coalesce           = bnx2x_get_coalesce,
3644        .set_coalesce           = bnx2x_set_coalesce,
3645        .get_ringparam          = bnx2x_get_ringparam,
3646        .set_ringparam          = bnx2x_set_ringparam,
3647        .get_pauseparam         = bnx2x_get_pauseparam,
3648        .set_pauseparam         = bnx2x_set_pauseparam,
3649        .self_test              = bnx2x_self_test,
3650        .get_sset_count         = bnx2x_get_sset_count,
3651        .get_priv_flags         = bnx2x_get_private_flags,
3652        .get_strings            = bnx2x_get_strings,
3653        .set_phys_id            = bnx2x_set_phys_id,
3654        .get_ethtool_stats      = bnx2x_get_ethtool_stats,
3655        .get_rxnfc              = bnx2x_get_rxnfc,
3656        .set_rxnfc              = bnx2x_set_rxnfc,
3657        .get_rxfh_indir_size    = bnx2x_get_rxfh_indir_size,
3658        .get_rxfh               = bnx2x_get_rxfh,
3659        .set_rxfh               = bnx2x_set_rxfh,
3660        .get_channels           = bnx2x_get_channels,
3661        .set_channels           = bnx2x_set_channels,
3662        .get_module_info        = bnx2x_get_module_info,
3663        .get_module_eeprom      = bnx2x_get_module_eeprom,
3664        .get_eee                = bnx2x_get_eee,
3665        .set_eee                = bnx2x_set_eee,
3666        .get_ts_info            = bnx2x_get_ts_info,
3667        .get_link_ksettings     = bnx2x_get_link_ksettings,
3668        .set_link_ksettings     = bnx2x_set_link_ksettings,
3669};
3670
3671static const struct ethtool_ops bnx2x_vf_ethtool_ops = {
3672        .get_drvinfo            = bnx2x_get_drvinfo,
3673        .get_msglevel           = bnx2x_get_msglevel,
3674        .set_msglevel           = bnx2x_set_msglevel,
3675        .get_link               = bnx2x_get_link,
3676        .get_coalesce           = bnx2x_get_coalesce,
3677        .get_ringparam          = bnx2x_get_ringparam,
3678        .set_ringparam          = bnx2x_set_ringparam,
3679        .get_sset_count         = bnx2x_get_sset_count,
3680        .get_strings            = bnx2x_get_strings,
3681        .get_ethtool_stats      = bnx2x_get_ethtool_stats,
3682        .get_rxnfc              = bnx2x_get_rxnfc,
3683        .set_rxnfc              = bnx2x_set_rxnfc,
3684        .get_rxfh_indir_size    = bnx2x_get_rxfh_indir_size,
3685        .get_rxfh               = bnx2x_get_rxfh,
3686        .set_rxfh               = bnx2x_set_rxfh,
3687        .get_channels           = bnx2x_get_channels,
3688        .set_channels           = bnx2x_set_channels,
3689        .get_link_ksettings     = bnx2x_get_vf_link_ksettings,
3690};
3691
3692void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev)
3693{
3694        netdev->ethtool_ops = (IS_PF(bp)) ?
3695                &bnx2x_ethtool_ops : &bnx2x_vf_ethtool_ops;
3696}
3697