kernel/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c

   1 /* bnx2x_ethtool.c: Broadcom Everest network driver.
   2  *
   3  * Copyright (c) 2007-2013 Broadcom Corporation
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation.
   8  *
   9  * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
  10  * Written by: Eliezer Tamir
  11  * Based on code from Michael Chan's bnx2 driver
  12  * UDP CSUM errata workaround by Arik Gendelman
  13  * Slowpath and fastpath rework by Vladislav Zolotarov
  14  * Statistics and Link management by Yitchak Gertner
  15  *
  16  */
  17
  18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  19
  20 #include <linux/ethtool.h>
  21 #include <linux/netdevice.h>
  22 #include <linux/types.h>
  23 #include <linux/sched.h>
  24 #include <linux/crc32.h>
  25 #include "bnx2x.h"
  26 #include "bnx2x_cmn.h"
  27 #include "bnx2x_dump.h"
  28 #include "bnx2x_init.h"
  29
  30 /* Note: in the format strings below %s is replaced by the queue-name which is
  31  * either its index or 'fcoe' for the fcoe queue. Make sure the format string
  32  * length does not exceed ETH_GSTRING_LEN - MAX_QUEUE_NAME_LEN + 2
  33  */
  34 #define MAX_QUEUE_NAME_LEN      4
  35 static const struct {
  36         long offset;
  37         int size;
  38         char string[ETH_GSTRING_LEN];
  39 } bnx2x_q_stats_arr[] = {
  40 /* 1 */ { Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%s]: rx_bytes" },
  41         { Q_STATS_OFFSET32(total_unicast_packets_received_hi),
  42                                                 8, "[%s]: rx_ucast_packets" },
  43         { Q_STATS_OFFSET32(total_multicast_packets_received_hi),
  44                                                 8, "[%s]: rx_mcast_packets" },
  45         { Q_STATS_OFFSET32(total_broadcast_packets_received_hi),
  46                                                 8, "[%s]: rx_bcast_packets" },
  47         { Q_STATS_OFFSET32(no_buff_discard_hi), 8, "[%s]: rx_discards" },
  48         { Q_STATS_OFFSET32(rx_err_discard_pkt),
  49                                          4, "[%s]: rx_phy_ip_err_discards"},
  50         { Q_STATS_OFFSET32(rx_skb_alloc_failed),
  51                                          4, "[%s]: rx_skb_alloc_discard" },
  52         { Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" },
  53
  54         { Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%s]: tx_bytes" },
  55 /* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi),
  56                                                 8, "[%s]: tx_ucast_packets" },
  57         { Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi),
  58                                                 8, "[%s]: tx_mcast_packets" },
  59         { Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
  60                                                 8, "[%s]: tx_bcast_packets" },
  61         { Q_STATS_OFFSET32(total_tpa_aggregations_hi),
  62                                                 8, "[%s]: tpa_aggregations" },
  63         { Q_STATS_OFFSET32(total_tpa_aggregated_frames_hi),
  64                                         8, "[%s]: tpa_aggregated_frames"},
  65         { Q_STATS_OFFSET32(total_tpa_bytes_hi), 8, "[%s]: tpa_bytes"},
  66         { Q_STATS_OFFSET32(driver_filtered_tx_pkt),
  67                                         4, "[%s]: driver_filtered_tx_pkt" }
  68 };
  69
  70 #define BNX2X_NUM_Q_STATS ARRAY_SIZE(bnx2x_q_stats_arr)
  71
  72 static const struct {
  73         long offset;
  74         int size;
  75         u32 flags;
  76 #define STATS_FLAGS_PORT                1
  77 #define STATS_FLAGS_FUNC                2
  78 #define STATS_FLAGS_BOTH                (STATS_FLAGS_FUNC | STATS_FLAGS_PORT)
  79         char string[ETH_GSTRING_LEN];
  80 } bnx2x_stats_arr[] = {
  81 /* 1 */ { STATS_OFFSET32(total_bytes_received_hi),
  82                                 8, STATS_FLAGS_BOTH, "rx_bytes" },
  83         { STATS_OFFSET32(error_bytes_received_hi),
  84                                 8, STATS_FLAGS_BOTH, "rx_error_bytes" },
  85         { STATS_OFFSET32(total_unicast_packets_received_hi),
  86                                 8, STATS_FLAGS_BOTH, "rx_ucast_packets" },
  87         { STATS_OFFSET32(total_multicast_packets_received_hi),
  88                                 8, STATS_FLAGS_BOTH, "rx_mcast_packets" },
  89         { STATS_OFFSET32(total_broadcast_packets_received_hi),
  90                                 8, STATS_FLAGS_BOTH, "rx_bcast_packets" },
  91         { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
  92                                 8, STATS_FLAGS_PORT, "rx_crc_errors" },
  93         { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
  94                                 8, STATS_FLAGS_PORT, "rx_align_errors" },
  95         { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
  96                                 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
  97         { STATS_OFFSET32(etherstatsoverrsizepkts_hi),
  98                                 8, STATS_FLAGS_PORT, "rx_oversize_packets" },
  99 /* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
 100                                 8, STATS_FLAGS_PORT, "rx_fragments" },
 101         { STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
 102                                 8, STATS_FLAGS_PORT, "rx_jabbers" },
 103         { STATS_OFFSET32(no_buff_discard_hi),
 104                                 8, STATS_FLAGS_BOTH, "rx_discards" },
 105         { STATS_OFFSET32(mac_filter_discard),
 106                                 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
 107         { STATS_OFFSET32(mf_tag_discard),
 108                                 4, STATS_FLAGS_PORT, "rx_mf_tag_discard" },
 109         { STATS_OFFSET32(pfc_frames_received_hi),
 110                                 8, STATS_FLAGS_PORT, "pfc_frames_received" },
 111         { STATS_OFFSET32(pfc_frames_sent_hi),
 112                                 8, STATS_FLAGS_PORT, "pfc_frames_sent" },
 113         { STATS_OFFSET32(brb_drop_hi),
 114                                 8, STATS_FLAGS_PORT, "rx_brb_discard" },
 115         { STATS_OFFSET32(brb_truncate_hi),
 116                                 8, STATS_FLAGS_PORT, "rx_brb_truncate" },
 117         { STATS_OFFSET32(pause_frames_received_hi),
 118                                 8, STATS_FLAGS_PORT, "rx_pause_frames" },
 119         { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
 120                                 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
 121         { STATS_OFFSET32(nig_timer_max),
 122                         4, STATS_FLAGS_PORT, "rx_constant_pause_events" },
 123 /* 20 */{ STATS_OFFSET32(rx_err_discard_pkt),
 124                                 4, STATS_FLAGS_BOTH, "rx_phy_ip_err_discards"},
 125         { STATS_OFFSET32(rx_skb_alloc_failed),
 126                                 4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" },
 127         { STATS_OFFSET32(hw_csum_err),
 128                                 4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" },
 129
 130         { STATS_OFFSET32(total_bytes_transmitted_hi),
 131                                 8, STATS_FLAGS_BOTH, "tx_bytes" },
 132         { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
 133                                 8, STATS_FLAGS_PORT, "tx_error_bytes" },
 134         { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
 135                                 8, STATS_FLAGS_BOTH, "tx_ucast_packets" },
 136         { STATS_OFFSET32(total_multicast_packets_transmitted_hi),
 137                                 8, STATS_FLAGS_BOTH, "tx_mcast_packets" },
 138         { STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
 139                                 8, STATS_FLAGS_BOTH, "tx_bcast_packets" },
 140         { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
 141                                 8, STATS_FLAGS_PORT, "tx_mac_errors" },
 142         { STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
 143                                 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
 144 /* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
 145                                 8, STATS_FLAGS_PORT, "tx_single_collisions" },
 146         { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
 147                                 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
 148         { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
 149                                 8, STATS_FLAGS_PORT, "tx_deferred" },
 150         { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
 151                                 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
 152         { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
 153                                 8, STATS_FLAGS_PORT, "tx_late_collisions" },
 154         { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
 155                                 8, STATS_FLAGS_PORT, "tx_total_collisions" },
 156         { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
 157                                 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
 158         { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
 159                         8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
 160         { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
 161                         8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
 162         { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
 163                         8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
 164 /* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
 165                         8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
 166         { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
 167                         8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
 168         { STATS_OFFSET32(etherstatspktsover1522octets_hi),
 169                         8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
 170         { STATS_OFFSET32(pause_frames_sent_hi),
 171                                 8, STATS_FLAGS_PORT, "tx_pause_frames" },
 172         { STATS_OFFSET32(total_tpa_aggregations_hi),
 173                         8, STATS_FLAGS_FUNC, "tpa_aggregations" },
 174         { STATS_OFFSET32(total_tpa_aggregated_frames_hi),
 175                         8, STATS_FLAGS_FUNC, "tpa_aggregated_frames"},
 176         { STATS_OFFSET32(total_tpa_bytes_hi),
 177                         8, STATS_FLAGS_FUNC, "tpa_bytes"},
 178         { STATS_OFFSET32(recoverable_error),
 179                         4, STATS_FLAGS_FUNC, "recoverable_errors" },
 180         { STATS_OFFSET32(unrecoverable_error),
 181                         4, STATS_FLAGS_FUNC, "unrecoverable_errors" },
 182         { STATS_OFFSET32(driver_filtered_tx_pkt),
 183                         4, STATS_FLAGS_FUNC, "driver_filtered_tx_pkt" },
 184         { STATS_OFFSET32(eee_tx_lpi),
 185                         4, STATS_FLAGS_PORT, "Tx LPI entry count"}
 186 };
 187
 188 #define BNX2X_NUM_STATS         ARRAY_SIZE(bnx2x_stats_arr)
 189
 190 static 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
 219 static int bnx2x_get_vf_settings(struct net_device *dev,
 220                                  struct ethtool_cmd *cmd)
 221 {
 222         struct bnx2x *bp = netdev_priv(dev);
 223
 224         if (bp->state == BNX2X_STATE_OPEN) {
 225                 if (test_bit(BNX2X_LINK_REPORT_FD,
 226                              &bp->vf_link_vars.link_report_flags))
 227                         cmd->duplex = DUPLEX_FULL;
 228                 else
 229                         cmd->duplex = DUPLEX_HALF;
 230
 231                 ethtool_cmd_speed_set(cmd, bp->vf_link_vars.line_speed);
 232         } else {
 233                 cmd->duplex = DUPLEX_UNKNOWN;
 234                 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
 235         }
 236
 237         cmd->port               = PORT_OTHER;
 238         cmd->phy_address        = 0;
 239         cmd->transceiver        = XCVR_INTERNAL;
 240         cmd->autoneg            = AUTONEG_DISABLE;
 241         cmd->maxtxpkt           = 0;
 242         cmd->maxrxpkt           = 0;
 243
 244         DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
 245            "  supported 0x%x  advertising 0x%x  speed %u\n"
 246            "  duplex %d  port %d  phy_address %d  transceiver %d\n"
 247            "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
 248            cmd->cmd, cmd->supported, cmd->advertising,
 249            ethtool_cmd_speed(cmd),
 250            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
 251            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
 252
 253         return 0;
 254 }
 255
 256 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 257 {
 258         struct bnx2x *bp = netdev_priv(dev);
 259         int cfg_idx = bnx2x_get_link_cfg_idx(bp);
 260
 261         /* Dual Media boards present all available port types */
 262         cmd->supported = bp->port.supported[cfg_idx] |
 263                 (bp->port.supported[cfg_idx ^ 1] &
 264                  (SUPPORTED_TP | SUPPORTED_FIBRE));
 265         cmd->advertising = bp->port.advertising[cfg_idx];
 266         if (bp->link_params.phy[bnx2x_get_cur_phy_idx(bp)].media_type ==
 267             ETH_PHY_SFP_1G_FIBER) {
 268                 cmd->supported &= ~(SUPPORTED_10000baseT_Full);
 269                 cmd->advertising &= ~(ADVERTISED_10000baseT_Full);
 270         }
 271
 272         if ((bp->state == BNX2X_STATE_OPEN) && bp->link_vars.link_up &&
 273             !(bp->flags & MF_FUNC_DIS)) {
 274                 cmd->duplex = bp->link_vars.duplex;
 275
 276                 if (IS_MF(bp) && !BP_NOMCP(bp))
 277                         ethtool_cmd_speed_set(cmd, bnx2x_get_mf_speed(bp));
 278                 else
 279                         ethtool_cmd_speed_set(cmd, bp->link_vars.line_speed);
 280         } else {
 281                 cmd->duplex = DUPLEX_UNKNOWN;
 282                 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
 283         }
 284
 285         cmd->port = bnx2x_get_port_type(bp);
 286
 287         cmd->phy_address = bp->mdio.prtad;
 288         cmd->transceiver = XCVR_INTERNAL;
 289
 290         if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG)
 291                 cmd->autoneg = AUTONEG_ENABLE;
 292         else
 293                 cmd->autoneg = AUTONEG_DISABLE;
 294
 295         /* Publish LP advertised speeds and FC */
 296         if (bp->link_vars.link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
 297                 u32 status = bp->link_vars.link_status;
 298
 299                 cmd->lp_advertising |= ADVERTISED_Autoneg;
 300                 if (status & LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE)
 301                         cmd->lp_advertising |= ADVERTISED_Pause;
 302                 if (status & LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
 303                         cmd->lp_advertising |= ADVERTISED_Asym_Pause;
 304
 305                 if (status & LINK_STATUS_LINK_PARTNER_10THD_CAPABLE)
 306                         cmd->lp_advertising |= ADVERTISED_10baseT_Half;
 307                 if (status & LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE)
 308                         cmd->lp_advertising |= ADVERTISED_10baseT_Full;
 309                 if (status & LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE)
 310                         cmd->lp_advertising |= ADVERTISED_100baseT_Half;
 311                 if (status & LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE)
 312                         cmd->lp_advertising |= ADVERTISED_100baseT_Full;
 313                 if (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE)
 314                         cmd->lp_advertising |= ADVERTISED_1000baseT_Half;
 315                 if (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE)
 316                         cmd->lp_advertising |= ADVERTISED_1000baseT_Full;
 317                 if (status & LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE)
 318                         cmd->lp_advertising |= ADVERTISED_2500baseX_Full;
 319                 if (status & LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE)
 320                         cmd->lp_advertising |= ADVERTISED_10000baseT_Full;
 321                 if (status & LINK_STATUS_LINK_PARTNER_20GXFD_CAPABLE)
 322                         cmd->lp_advertising |= ADVERTISED_20000baseKR2_Full;
 323         }
 324
 325         cmd->maxtxpkt = 0;
 326         cmd->maxrxpkt = 0;
 327
 328         DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
 329            "  supported 0x%x  advertising 0x%x  speed %u\n"
 330            "  duplex %d  port %d  phy_address %d  transceiver %d\n"
 331            "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
 332            cmd->cmd, cmd->supported, cmd->advertising,
 333            ethtool_cmd_speed(cmd),
 334            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
 335            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
 336
 337         return 0;
 338 }
 339
 340 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 341 {
 342         struct bnx2x *bp = netdev_priv(dev);
 343         u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config;
 344         u32 speed, phy_idx;
 345
 346         if (IS_MF_SD(bp))
 347                 return 0;
 348
 349         DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
 350            "  supported 0x%x  advertising 0x%x  speed %u\n"
 351            "  duplex %d  port %d  phy_address %d  transceiver %d\n"
 352            "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
 353            cmd->cmd, cmd->supported, cmd->advertising,
 354            ethtool_cmd_speed(cmd),
 355            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
 356            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
 357
 358         speed = ethtool_cmd_speed(cmd);
 359
 360         /* If received a request for an unknown duplex, assume full*/
 361         if (cmd->duplex == DUPLEX_UNKNOWN)
 362                 cmd->duplex = DUPLEX_FULL;
 363
 364         if (IS_MF_SI(bp)) {
 365                 u32 part;
 366                 u32 line_speed = bp->link_vars.line_speed;
 367
 368                 /* use 10G if no link detected */
 369                 if (!line_speed)
 370                         line_speed = 10000;
 371
 372                 if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) {
 373                         DP(BNX2X_MSG_ETHTOOL,
 374                            "To set speed BC %X or higher is required, please upgrade BC\n",
 375                            REQ_BC_VER_4_SET_MF_BW);
 376                         return -EINVAL;
 377                 }
 378
 379                 part = (speed * 100) / line_speed;
 380
 381                 if (line_speed < speed || !part) {
 382                         DP(BNX2X_MSG_ETHTOOL,
 383                            "Speed setting should be in a range from 1%% to 100%% of actual line speed\n");
 384                         return -EINVAL;
 385                 }
 386
 387                 if (bp->state != BNX2X_STATE_OPEN)
 388                         /* store value for following "load" */
 389                         bp->pending_max = part;
 390                 else
 391                         bnx2x_update_max_mf_config(bp, part);
 392
 393                 return 0;
 394         }
 395
 396         cfg_idx = bnx2x_get_link_cfg_idx(bp);
 397         old_multi_phy_config = bp->link_params.multi_phy_config;
 398         if (cmd->port != bnx2x_get_port_type(bp)) {
 399                 switch (cmd->port) {
 400                 case PORT_TP:
 401                         if (!(bp->port.supported[0] & SUPPORTED_TP ||
 402                               bp->port.supported[1] & SUPPORTED_TP)) {
 403                                 DP(BNX2X_MSG_ETHTOOL,
 404                                    "Unsupported port type\n");
 405                                 return -EINVAL;
 406                         }
 407                         bp->link_params.multi_phy_config &=
 408                                 ~PORT_HW_CFG_PHY_SELECTION_MASK;
 409                         if (bp->link_params.multi_phy_config &
 410                             PORT_HW_CFG_PHY_SWAPPED_ENABLED)
 411                                 bp->link_params.multi_phy_config |=
 412                                 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
 413                         else
 414                                 bp->link_params.multi_phy_config |=
 415                                 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
 416                         break;
 417                 case PORT_FIBRE:
 418                 case PORT_DA:
 419                 case PORT_NONE:
 420                         if (!(bp->port.supported[0] & SUPPORTED_FIBRE ||
 421                               bp->port.supported[1] & SUPPORTED_FIBRE)) {
 422                                 DP(BNX2X_MSG_ETHTOOL,
 423                                    "Unsupported port type\n");
 424                                 return -EINVAL;
 425                         }
 426                         bp->link_params.multi_phy_config &=
 427                                 ~PORT_HW_CFG_PHY_SELECTION_MASK;
 428                         if (bp->link_params.multi_phy_config &
 429                             PORT_HW_CFG_PHY_SWAPPED_ENABLED)
 430                                 bp->link_params.multi_phy_config |=
 431                                 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
 432                         else
 433                                 bp->link_params.multi_phy_config |=
 434                                 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
 435                         break;
 436                 default:
 437                         DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n");
 438                         return -EINVAL;
 439                 }
 440         }
 441         /* Save new config in case command complete successfully */
 442         new_multi_phy_config = bp->link_params.multi_phy_config;
 443         /* Get the new cfg_idx */
 444         cfg_idx = bnx2x_get_link_cfg_idx(bp);
 445         /* Restore old config in case command failed */
 446         bp->link_params.multi_phy_config = old_multi_phy_config;
 447         DP(BNX2X_MSG_ETHTOOL, "cfg_idx = %x\n", cfg_idx);
 448
 449         if (cmd->autoneg == AUTONEG_ENABLE) {
 450                 u32 an_supported_speed = bp->port.supported[cfg_idx];
 451                 if (bp->link_params.phy[EXT_PHY1].type ==
 452                     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
 453                         an_supported_speed |= (SUPPORTED_100baseT_Half |
 454                                                SUPPORTED_100baseT_Full);
 455                 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
 456                         DP(BNX2X_MSG_ETHTOOL, "Autoneg not supported\n");
 457                         return -EINVAL;
 458                 }
 459
 460                 /* advertise the requested speed and duplex if supported */
 461                 if (cmd->advertising & ~an_supported_speed) {
 462                         DP(BNX2X_MSG_ETHTOOL,
 463                            "Advertisement parameters are not supported\n");
 464                         return -EINVAL;
 465                 }
 466
 467                 bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
 468                 bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
 469                 bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg |
 470                                          cmd->advertising);
 471                 if (cmd->advertising) {
 472
 473                         bp->link_params.speed_cap_mask[cfg_idx] = 0;
 474                         if (cmd->advertising & ADVERTISED_10baseT_Half) {
 475                                 bp->link_params.speed_cap_mask[cfg_idx] |=
 476                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF;
 477                         }
 478                         if (cmd->advertising & ADVERTISED_10baseT_Full)
 479                                 bp->link_params.speed_cap_mask[cfg_idx] |=
 480                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL;
 481
 482                         if (cmd->advertising & ADVERTISED_100baseT_Full)
 483                                 bp->link_params.speed_cap_mask[cfg_idx] |=
 484                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL;
 485
 486                         if (cmd->advertising & ADVERTISED_100baseT_Half) {
 487                                 bp->link_params.speed_cap_mask[cfg_idx] |=
 488                                      PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF;
 489                         }
 490                         if (cmd->advertising & ADVERTISED_1000baseT_Half) {
 491                                 bp->link_params.speed_cap_mask[cfg_idx] |=
 492                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
 493                         }
 494                         if (cmd->advertising & (ADVERTISED_1000baseT_Full |
 495                                                 ADVERTISED_1000baseKX_Full))
 496                                 bp->link_params.speed_cap_mask[cfg_idx] |=
 497                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
 498
 499                         if (cmd->advertising & (ADVERTISED_10000baseT_Full |
 500                                                 ADVERTISED_10000baseKX4_Full |
 501                                                 ADVERTISED_10000baseKR_Full))
 502                                 bp->link_params.speed_cap_mask[cfg_idx] |=
 503                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_10G;
 504
 505                         if (cmd->advertising & ADVERTISED_20000baseKR2_Full)
 506                                 bp->link_params.speed_cap_mask[cfg_idx] |=
 507                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_20G;
 508                 }
 509         } else { /* forced speed */
 510                 /* advertise the requested speed and duplex if supported */
 511                 switch (speed) {
 512                 case SPEED_10:
 513                         if (cmd->duplex == DUPLEX_FULL) {
 514                                 if (!(bp->port.supported[cfg_idx] &
 515                                       SUPPORTED_10baseT_Full)) {
 516                                         DP(BNX2X_MSG_ETHTOOL,
 517                                            "10M full not supported\n");
 518                                         return -EINVAL;
 519                                 }
 520
 521                                 advertising = (ADVERTISED_10baseT_Full |
 522                                                ADVERTISED_TP);
 523                         } else {
 524                                 if (!(bp->port.supported[cfg_idx] &
 525                                       SUPPORTED_10baseT_Half)) {
 526                                         DP(BNX2X_MSG_ETHTOOL,
 527                                            "10M half not supported\n");
 528                                         return -EINVAL;
 529                                 }
 530
 531                                 advertising = (ADVERTISED_10baseT_Half |
 532                                                ADVERTISED_TP);
 533                         }
 534                         break;
 535
 536                 case SPEED_100:
 537                         if (cmd->duplex == DUPLEX_FULL) {
 538                                 if (!(bp->port.supported[cfg_idx] &
 539                                                 SUPPORTED_100baseT_Full)) {
 540                                         DP(BNX2X_MSG_ETHTOOL,
 541                                            "100M full not supported\n");
 542                                         return -EINVAL;
 543                                 }
 544
 545                                 advertising = (ADVERTISED_100baseT_Full |
 546                                                ADVERTISED_TP);
 547                         } else {
 548                                 if (!(bp->port.supported[cfg_idx] &
 549                                                 SUPPORTED_100baseT_Half)) {
 550                                         DP(BNX2X_MSG_ETHTOOL,
 551                                            "100M half not supported\n");
 552                                         return -EINVAL;
 553                                 }
 554
 555                                 advertising = (ADVERTISED_100baseT_Half |
 556                                                ADVERTISED_TP);
 557                         }
 558                         break;
 559
 560                 case SPEED_1000:
 561                         if (cmd->duplex != DUPLEX_FULL) {
 562                                 DP(BNX2X_MSG_ETHTOOL,
 563                                    "1G half not supported\n");
 564                                 return -EINVAL;
 565                         }
 566
 567                         if (!(bp->port.supported[cfg_idx] &
 568                               SUPPORTED_1000baseT_Full)) {
 569                                 DP(BNX2X_MSG_ETHTOOL,
 570                                    "1G full not supported\n");
 571                                 return -EINVAL;
 572                         }
 573
 574                         advertising = (ADVERTISED_1000baseT_Full |
 575                                        ADVERTISED_TP);
 576                         break;
 577
 578                 case SPEED_2500:
 579                         if (cmd->duplex != DUPLEX_FULL) {
 580                                 DP(BNX2X_MSG_ETHTOOL,
 581                                    "2.5G half not supported\n");
 582                                 return -EINVAL;
 583                         }
 584
 585                         if (!(bp->port.supported[cfg_idx]
 586                               & SUPPORTED_2500baseX_Full)) {
 587                                 DP(BNX2X_MSG_ETHTOOL,
 588                                    "2.5G full not supported\n");
 589                                 return -EINVAL;
 590                         }
 591
 592                         advertising = (ADVERTISED_2500baseX_Full |
 593                                        ADVERTISED_TP);
 594                         break;
 595
 596                 case SPEED_10000:
 597                         if (cmd->duplex != DUPLEX_FULL) {
 598                                 DP(BNX2X_MSG_ETHTOOL,
 599                                    "10G half not supported\n");
 600                                 return -EINVAL;
 601                         }
 602                         phy_idx = bnx2x_get_cur_phy_idx(bp);
 603                         if (!(bp->port.supported[cfg_idx]
 604                               & SUPPORTED_10000baseT_Full) ||
 605                             (bp->link_params.phy[phy_idx].media_type ==
 606                              ETH_PHY_SFP_1G_FIBER)) {
 607                                 DP(BNX2X_MSG_ETHTOOL,
 608                                    "10G full not supported\n");
 609                                 return -EINVAL;
 610                         }
 611
 612                         advertising = (ADVERTISED_10000baseT_Full |
 613                                        ADVERTISED_FIBRE);
 614                         break;
 615
 616                 default:
 617                         DP(BNX2X_MSG_ETHTOOL, "Unsupported speed %u\n", speed);
 618                         return -EINVAL;
 619                 }
 620
 621                 bp->link_params.req_line_speed[cfg_idx] = speed;
 622                 bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
 623                 bp->port.advertising[cfg_idx] = advertising;
 624         }
 625
 626         DP(BNX2X_MSG_ETHTOOL, "req_line_speed %d\n"
 627            "  req_duplex %d  advertising 0x%x\n",
 628            bp->link_params.req_line_speed[cfg_idx],
 629            bp->link_params.req_duplex[cfg_idx],
 630            bp->port.advertising[cfg_idx]);
 631
 632         /* Set new config */
 633         bp->link_params.multi_phy_config = new_multi_phy_config;
 634         if (netif_running(dev)) {
 635                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
 636                 bnx2x_link_set(bp);
 637         }
 638
 639         return 0;
 640 }
 641
 642 #define DUMP_ALL_PRESETS                0x1FFF
 643 #define DUMP_MAX_PRESETS                13
 644
 645 static int __bnx2x_get_preset_regs_len(struct bnx2x *bp, u32 preset)
 646 {
 647         if (CHIP_IS_E1(bp))
 648                 return dump_num_registers[0][preset-1];
 649         else if (CHIP_IS_E1H(bp))
 650                 return dump_num_registers[1][preset-1];
 651         else if (CHIP_IS_E2(bp))
 652                 return dump_num_registers[2][preset-1];
 653         else if (CHIP_IS_E3A0(bp))
 654                 return dump_num_registers[3][preset-1];
 655         else if (CHIP_IS_E3B0(bp))
 656                 return dump_num_registers[4][preset-1];
 657         else
 658                 return 0;
 659 }
 660
 661 static int __bnx2x_get_regs_len(struct bnx2x *bp)
 662 {
 663         u32 preset_idx;
 664         int regdump_len = 0;
 665
 666         /* Calculate the total preset regs length */
 667         for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++)
 668                 regdump_len += __bnx2x_get_preset_regs_len(bp, preset_idx);
 669
 670         return regdump_len;
 671 }
 672
 673 static int bnx2x_get_regs_len(struct net_device *dev)
 674 {
 675         struct bnx2x *bp = netdev_priv(dev);
 676         int regdump_len = 0;
 677
 678         if (IS_VF(bp))
 679                 return 0;
 680
 681         regdump_len = __bnx2x_get_regs_len(bp);
 682         regdump_len *= 4;
 683         regdump_len += sizeof(struct dump_header);
 684
 685         return regdump_len;
 686 }
 687
 688 #define IS_E1_REG(chips)        ((chips & DUMP_CHIP_E1) == DUMP_CHIP_E1)
 689 #define IS_E1H_REG(chips)       ((chips & DUMP_CHIP_E1H) == DUMP_CHIP_E1H)
 690 #define IS_E2_REG(chips)        ((chips & DUMP_CHIP_E2) == DUMP_CHIP_E2)
 691 #define IS_E3A0_REG(chips)      ((chips & DUMP_CHIP_E3A0) == DUMP_CHIP_E3A0)
 692 #define IS_E3B0_REG(chips)      ((chips & DUMP_CHIP_E3B0) == DUMP_CHIP_E3B0)
 693
 694 #define IS_REG_IN_PRESET(presets, idx)  \
 695                 ((presets & (1 << (idx-1))) == (1 << (idx-1)))
 696
 697 /******* Paged registers info selectors ********/
 698 static const u32 *__bnx2x_get_page_addr_ar(struct bnx2x *bp)
 699 {
 700         if (CHIP_IS_E2(bp))
 701                 return page_vals_e2;
 702         else if (CHIP_IS_E3(bp))
 703                 return page_vals_e3;
 704         else
 705                 return NULL;
 706 }
 707
 708 static u32 __bnx2x_get_page_reg_num(struct bnx2x *bp)
 709 {
 710         if (CHIP_IS_E2(bp))
 711                 return PAGE_MODE_VALUES_E2;
 712         else if (CHIP_IS_E3(bp))
 713                 return PAGE_MODE_VALUES_E3;
 714         else
 715                 return 0;
 716 }
 717
 718 static const u32 *__bnx2x_get_page_write_ar(struct bnx2x *bp)
 719 {
 720         if (CHIP_IS_E2(bp))
 721                 return page_write_regs_e2;
 722         else if (CHIP_IS_E3(bp))
 723                 return page_write_regs_e3;
 724         else
 725                 return NULL;
 726 }
 727
 728 static u32 __bnx2x_get_page_write_num(struct bnx2x *bp)
 729 {
 730         if (CHIP_IS_E2(bp))
 731                 return PAGE_WRITE_REGS_E2;
 732         else if (CHIP_IS_E3(bp))
 733                 return PAGE_WRITE_REGS_E3;
 734         else
 735                 return 0;
 736 }
 737
 738 static const struct reg_addr *__bnx2x_get_page_read_ar(struct bnx2x *bp)
 739 {
 740         if (CHIP_IS_E2(bp))
 741                 return page_read_regs_e2;
 742         else if (CHIP_IS_E3(bp))
 743                 return page_read_regs_e3;
 744         else
 745                 return NULL;
 746 }
 747
 748 static u32 __bnx2x_get_page_read_num(struct bnx2x *bp)
 749 {
 750         if (CHIP_IS_E2(bp))
 751                 return PAGE_READ_REGS_E2;
 752         else if (CHIP_IS_E3(bp))
 753                 return PAGE_READ_REGS_E3;
 754         else
 755                 return 0;
 756 }
 757
 758 static bool bnx2x_is_reg_in_chip(struct bnx2x *bp,
 759                                        const struct reg_addr *reg_info)
 760 {
 761         if (CHIP_IS_E1(bp))
 762                 return IS_E1_REG(reg_info->chips);
 763         else if (CHIP_IS_E1H(bp))
 764                 return IS_E1H_REG(reg_info->chips);
 765         else if (CHIP_IS_E2(bp))
 766                 return IS_E2_REG(reg_info->chips);
 767         else if (CHIP_IS_E3A0(bp))
 768                 return IS_E3A0_REG(reg_info->chips);
 769         else if (CHIP_IS_E3B0(bp))
 770                 return IS_E3B0_REG(reg_info->chips);
 771         else
 772                 return false;
 773 }
 774
 775 static bool bnx2x_is_wreg_in_chip(struct bnx2x *bp,
 776         const struct wreg_addr *wreg_info)
 777 {
 778         if (CHIP_IS_E1(bp))
 779                 return IS_E1_REG(wreg_info->chips);
 780         else if (CHIP_IS_E1H(bp))
 781                 return IS_E1H_REG(wreg_info->chips);
 782         else if (CHIP_IS_E2(bp))
 783                 return IS_E2_REG(wreg_info->chips);
 784         else if (CHIP_IS_E3A0(bp))
 785                 return IS_E3A0_REG(wreg_info->chips);
 786         else if (CHIP_IS_E3B0(bp))
 787                 return IS_E3B0_REG(wreg_info->chips);
 788         else
 789                 return false;
 790 }
 791
 792 /**
 793  * bnx2x_read_pages_regs - read "paged" registers
 794  *
 795  * @bp          device handle
 796  * @p           output buffer
 797  *
 798  * Reads "paged" memories: memories that may only be read by first writing to a
 799  * specific address ("write address") and then reading from a specific address
 800  * ("read address"). There may be more than one write address per "page" and
 801  * more than one read address per write address.
 802  */
 803 static void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p, u32 preset)
 804 {
 805         u32 i, j, k, n;
 806
 807         /* addresses of the paged registers */
 808         const u32 *page_addr = __bnx2x_get_page_addr_ar(bp);
 809         /* number of paged registers */
 810         int num_pages = __bnx2x_get_page_reg_num(bp);
 811         /* write addresses */
 812         const u32 *write_addr = __bnx2x_get_page_write_ar(bp);
 813         /* number of write addresses */
 814         int write_num = __bnx2x_get_page_write_num(bp);
 815         /* read addresses info */
 816         const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp);
 817         /* number of read addresses */
 818         int read_num = __bnx2x_get_page_read_num(bp);
 819         u32 addr, size;
 820
 821         for (i = 0; i < num_pages; i++) {
 822                 for (j = 0; j < write_num; j++) {
 823                         REG_WR(bp, write_addr[j], page_addr[i]);
 824
 825                         for (k = 0; k < read_num; k++) {
 826                                 if (IS_REG_IN_PRESET(read_addr[k].presets,
 827                                                      preset)) {
 828                                         size = read_addr[k].size;
 829                                         for (n = 0; n < size; n++) {
 830                                                 addr = read_addr[k].addr + n*4;
 831                                                 *p++ = REG_RD(bp, addr);
 832                                         }
 833                                 }
 834                         }
 835                 }
 836         }
 837 }
 838
 839 static int __bnx2x_get_preset_regs(struct bnx2x *bp, u32 *p, u32 preset)
 840 {
 841         u32 i, j, addr;
 842         const struct wreg_addr *wreg_addr_p = NULL;
 843
 844         if (CHIP_IS_E1(bp))
 845                 wreg_addr_p = &wreg_addr_e1;
 846         else if (CHIP_IS_E1H(bp))
 847                 wreg_addr_p = &wreg_addr_e1h;
 848         else if (CHIP_IS_E2(bp))
 849                 wreg_addr_p = &wreg_addr_e2;
 850         else if (CHIP_IS_E3A0(bp))
 851                 wreg_addr_p = &wreg_addr_e3;
 852         else if (CHIP_IS_E3B0(bp))
 853                 wreg_addr_p = &wreg_addr_e3b0;
 854
 855         /* Read the idle_chk registers */
 856         for (i = 0; i < IDLE_REGS_COUNT; i++) {
 857                 if (bnx2x_is_reg_in_chip(bp, &idle_reg_addrs[i]) &&
 858                     IS_REG_IN_PRESET(idle_reg_addrs[i].presets, preset)) {
 859                         for (j = 0; j < idle_reg_addrs[i].size; j++)
 860                                 *p++ = REG_RD(bp, idle_reg_addrs[i].addr + j*4);
 861                 }
 862         }
 863
 864         /* Read the regular registers */
 865         for (i = 0; i < REGS_COUNT; i++) {
 866                 if (bnx2x_is_reg_in_chip(bp, &reg_addrs[i]) &&
 867                     IS_REG_IN_PRESET(reg_addrs[i].presets, preset)) {
 868                         for (j = 0; j < reg_addrs[i].size; j++)
 869                                 *p++ = REG_RD(bp, reg_addrs[i].addr + j*4);
 870                 }
 871         }
 872
 873         /* Read the CAM registers */
 874         if (bnx2x_is_wreg_in_chip(bp, wreg_addr_p) &&
 875             IS_REG_IN_PRESET(wreg_addr_p->presets, preset)) {
 876                 for (i = 0; i < wreg_addr_p->size; i++) {
 877                         *p++ = REG_RD(bp, wreg_addr_p->addr + i*4);
 878
 879                         /* In case of wreg_addr register, read additional
 880                            registers from read_regs array
 881                         */
 882                         for (j = 0; j < wreg_addr_p->read_regs_count; j++) {
 883                                 addr = *(wreg_addr_p->read_regs);
 884                                 *p++ = REG_RD(bp, addr + j*4);
 885                         }
 886                 }
 887         }
 888
 889         /* Paged registers are supported in E2 & E3 only */
 890         if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) {
 891                 /* Read "paged" registers */
 892                 bnx2x_read_pages_regs(bp, p, preset);
 893         }
 894
 895         return 0;
 896 }
 897
 898 static void __bnx2x_get_regs(struct bnx2x *bp, u32 *p)
 899 {
 900         u32 preset_idx;
 901
 902         /* Read all registers, by reading all preset registers */
 903         for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++) {
 904                 /* Skip presets with IOR */
 905                 if ((preset_idx == 2) ||
 906                     (preset_idx == 5) ||
 907                     (preset_idx == 8) ||
 908                     (preset_idx == 11))
 909                         continue;
 910                 __bnx2x_get_preset_regs(bp, p, preset_idx);
 911                 p += __bnx2x_get_preset_regs_len(bp, preset_idx);
 912         }
 913 }
 914
 915 static void bnx2x_get_regs(struct net_device *dev,
 916                            struct ethtool_regs *regs, void *_p)
 917 {
 918         u32 *p = _p;
 919         struct bnx2x *bp = netdev_priv(dev);
 920         struct dump_header dump_hdr = {0};
 921
 922         regs->version = 2;
 923         memset(p, 0, regs->len);
 924
 925         if (!netif_running(bp->dev))
 926                 return;
 927
 928         /* Disable parity attentions as long as following dump may
 929          * cause false alarms by reading never written registers. We
 930          * will re-enable parity attentions right after the dump.
 931          */
 932
 933         bnx2x_disable_blocks_parity(bp);
 934
 935         dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1;
 936         dump_hdr.preset = DUMP_ALL_PRESETS;
 937         dump_hdr.version = BNX2X_DUMP_VERSION;
 938
 939         /* dump_meta_data presents OR of CHIP and PATH. */
 940         if (CHIP_IS_E1(bp)) {
 941                 dump_hdr.dump_meta_data = DUMP_CHIP_E1;
 942         } else if (CHIP_IS_E1H(bp)) {
 943                 dump_hdr.dump_meta_data = DUMP_CHIP_E1H;
 944         } else if (CHIP_IS_E2(bp)) {
 945                 dump_hdr.dump_meta_data = DUMP_CHIP_E2 |
 946                 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
 947         } else if (CHIP_IS_E3A0(bp)) {
 948                 dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 |
 949                 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
 950         } else if (CHIP_IS_E3B0(bp)) {
 951                 dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 |
 952                 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
 953         }
 954
 955         memcpy(p, &dump_hdr, sizeof(struct dump_header));
 956         p += dump_hdr.header_size + 1;
 957
 958         /* Actually read the registers */
 959         __bnx2x_get_regs(bp, p);
 960
 961         /* Re-enable parity attentions */
 962         bnx2x_clear_blocks_parity(bp);
 963         bnx2x_enable_blocks_parity(bp);
 964 }
 965
 966 static int bnx2x_get_preset_regs_len(struct net_device *dev, u32 preset)
 967 {
 968         struct bnx2x *bp = netdev_priv(dev);
 969         int regdump_len = 0;
 970
 971         regdump_len = __bnx2x_get_preset_regs_len(bp, preset);
 972         regdump_len *= 4;
 973         regdump_len += sizeof(struct dump_header);
 974
 975         return regdump_len;
 976 }
 977
 978 static int bnx2x_set_dump(struct net_device *dev, struct ethtool_dump *val)
 979 {
 980         struct bnx2x *bp = netdev_priv(dev);
 981
 982         /* Use the ethtool_dump "flag" field as the dump preset index */
 983         if (val->flag < 1 || val->flag > DUMP_MAX_PRESETS)
 984                 return -EINVAL;
 985
 986         bp->dump_preset_idx = val->flag;
 987         return 0;
 988 }
 989
 990 static int bnx2x_get_dump_flag(struct net_device *dev,
 991                                struct ethtool_dump *dump)
 992 {
 993         struct bnx2x *bp = netdev_priv(dev);
 994
 995         dump->version = BNX2X_DUMP_VERSION;
 996         dump->flag = bp->dump_preset_idx;
 997         /* Calculate the requested preset idx length */
 998         dump->len = bnx2x_get_preset_regs_len(dev, bp->dump_preset_idx);
 999         DP(BNX2X_MSG_ETHTOOL, "Get dump preset %d length=%d\n",
1000            bp->dump_preset_idx, dump->len);
1001         return 0;
1002 }
1003
1004 static int bnx2x_get_dump_data(struct net_device *dev,
1005                                struct ethtool_dump *dump,
1006                                void *buffer)
1007 {
1008         u32 *p = buffer;
1009         struct bnx2x *bp = netdev_priv(dev);
1010         struct dump_header dump_hdr = {0};
1011
1012         /* Disable parity attentions as long as following dump may
1013          * cause false alarms by reading never written registers. We
1014          * will re-enable parity attentions right after the dump.
1015          */
1016
1017         bnx2x_disable_blocks_parity(bp);
1018
1019         dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1;
1020         dump_hdr.preset = bp->dump_preset_idx;
1021         dump_hdr.version = BNX2X_DUMP_VERSION;
1022
1023         DP(BNX2X_MSG_ETHTOOL, "Get dump data of preset %d\n", dump_hdr.preset);
1024
1025         /* dump_meta_data presents OR of CHIP and PATH. */
1026         if (CHIP_IS_E1(bp)) {
1027                 dump_hdr.dump_meta_data = DUMP_CHIP_E1;
1028         } else if (CHIP_IS_E1H(bp)) {
1029                 dump_hdr.dump_meta_data = DUMP_CHIP_E1H;
1030         } else if (CHIP_IS_E2(bp)) {
1031                 dump_hdr.dump_meta_data = DUMP_CHIP_E2 |
1032                 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1033         } else if (CHIP_IS_E3A0(bp)) {
1034                 dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 |
1035                 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1036         } else if (CHIP_IS_E3B0(bp)) {
1037                 dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 |
1038                 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1039         }
1040
1041         memcpy(p, &dump_hdr, sizeof(struct dump_header));
1042         p += dump_hdr.header_size + 1;
1043
1044         /* Actually read the registers */
1045         __bnx2x_get_preset_regs(bp, p, dump_hdr.preset);
1046
1047         /* Re-enable parity attentions */
1048         bnx2x_clear_blocks_parity(bp);
1049         bnx2x_enable_blocks_parity(bp);
1050
1051         return 0;
1052 }
1053
1054 static void bnx2x_get_drvinfo(struct net_device *dev,
1055                               struct ethtool_drvinfo *info)
1056 {
1057         struct bnx2x *bp = netdev_priv(dev);
1058
1059         strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1060         strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
1061
1062         bnx2x_fill_fw_str(bp, info->fw_version, sizeof(info->fw_version));
1063
1064         strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1065         info->n_stats = BNX2X_NUM_STATS;
1066         info->testinfo_len = BNX2X_NUM_TESTS(bp);
1067         info->eedump_len = bp->common.flash_size;
1068         info->regdump_len = bnx2x_get_regs_len(dev);
1069 }
1070
1071 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1072 {
1073         struct bnx2x *bp = netdev_priv(dev);
1074
1075         if (bp->flags & NO_WOL_FLAG) {
1076                 wol->supported = 0;
1077                 wol->wolopts = 0;
1078         } else {
1079                 wol->supported = WAKE_MAGIC;
1080                 if (bp->wol)
1081                         wol->wolopts = WAKE_MAGIC;
1082                 else
1083                         wol->wolopts = 0;
1084         }
1085         memset(&wol->sopass, 0, sizeof(wol->sopass));
1086 }
1087
1088 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1089 {
1090         struct bnx2x *bp = netdev_priv(dev);
1091
1092         if (wol->wolopts & ~WAKE_MAGIC) {
1093                 DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n");
1094                 return -EINVAL;
1095         }
1096
1097         if (wol->wolopts & WAKE_MAGIC) {
1098                 if (bp->flags & NO_WOL_FLAG) {
1099                         DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n");
1100                         return -EINVAL;
1101                 }
1102                 bp->wol = 1;
1103         } else
1104                 bp->wol = 0;
1105
1106         return 0;
1107 }
1108
1109 static u32 bnx2x_get_msglevel(struct net_device *dev)
1110 {
1111         struct bnx2x *bp = netdev_priv(dev);
1112
1113         return bp->msg_enable;
1114 }
1115
1116 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
1117 {
1118         struct bnx2x *bp = netdev_priv(dev);
1119
1120         if (capable(CAP_NET_ADMIN)) {
1121                 /* dump MCP trace */
1122                 if (IS_PF(bp) && (level & BNX2X_MSG_MCP))
1123                         bnx2x_fw_dump_lvl(bp, KERN_INFO);
1124                 bp->msg_enable = level;
1125         }
1126 }
1127
1128 static int bnx2x_nway_reset(struct net_device *dev)
1129 {
1130         struct bnx2x *bp = netdev_priv(dev);
1131
1132         if (!bp->port.pmf)
1133                 return 0;
1134
1135         if (netif_running(dev)) {
1136                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1137                 bnx2x_force_link_reset(bp);
1138                 bnx2x_link_set(bp);
1139         }
1140
1141         return 0;
1142 }
1143
1144 static u32 bnx2x_get_link(struct net_device *dev)
1145 {
1146         struct bnx2x *bp = netdev_priv(dev);
1147
1148         if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
1149                 return 0;
1150
1151         if (IS_VF(bp))
1152                 return !test_bit(BNX2X_LINK_REPORT_LINK_DOWN,
1153                                  &bp->vf_link_vars.link_report_flags);
1154
1155         return bp->link_vars.link_up;
1156 }
1157
1158 static int bnx2x_get_eeprom_len(struct net_device *dev)
1159 {
1160         struct bnx2x *bp = netdev_priv(dev);
1161
1162         return bp->common.flash_size;
1163 }
1164
1165 /* Per pf misc lock must be acquired before the per port mcp lock. Otherwise,
1166  * had we done things the other way around, if two pfs from the same port would
1167  * attempt to access nvram at the same time, we could run into a scenario such
1168  * as:
1169  * pf A takes the port lock.
1170  * pf B succeeds in taking the same lock since they are from the same port.
1171  * pf A takes the per pf misc lock. Performs eeprom access.
1172  * pf A finishes. Unlocks the per pf misc lock.
1173  * Pf B takes the lock and proceeds to perform it's own access.
1174  * pf A unlocks the per port lock, while pf B is still working (!).
1175  * mcp takes the per port lock and corrupts pf B's access (and/or has it's own
1176  * access corrupted by pf B)
1177  */
1178 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
1179 {
1180         int port = BP_PORT(bp);
1181         int count, i;
1182         u32 val;
1183
1184         /* acquire HW lock: protect against other PFs in PF Direct Assignment */
1185         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1186
1187         /* adjust timeout for emulation/FPGA */
1188         count = BNX2X_NVRAM_TIMEOUT_COUNT;
1189         if (CHIP_REV_IS_SLOW(bp))
1190                 count *= 100;
1191
1192         /* request access to nvram interface */
1193         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
1194                (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
1195
1196         for (i = 0; i < count*10; i++) {
1197                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
1198                 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
1199                         break;
1200
1201                 udelay(5);
1202         }
1203
1204         if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
1205                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1206                    "cannot get access to nvram interface\n");
1207                 return -EBUSY;
1208         }
1209
1210         return 0;
1211 }
1212
1213 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
1214 {
1215         int port = BP_PORT(bp);
1216         int count, i;
1217         u32 val;
1218
1219         /* adjust timeout for emulation/FPGA */
1220         count = BNX2X_NVRAM_TIMEOUT_COUNT;
1221         if (CHIP_REV_IS_SLOW(bp))
1222                 count *= 100;
1223
1224         /* relinquish nvram interface */
1225         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
1226                (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
1227
1228         for (i = 0; i < count*10; i++) {
1229                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
1230                 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
1231                         break;
1232
1233                 udelay(5);
1234         }
1235
1236         if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
1237                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1238                    "cannot free access to nvram interface\n");
1239                 return -EBUSY;
1240         }
1241
1242         /* release HW lock: protect against other PFs in PF Direct Assignment */
1243         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1244         return 0;
1245 }
1246
1247 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
1248 {
1249         u32 val;
1250
1251         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1252
1253         /* enable both bits, even on read */
1254         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1255                (val | MCPR_NVM_ACCESS_ENABLE_EN |
1256                       MCPR_NVM_ACCESS_ENABLE_WR_EN));
1257 }
1258
1259 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
1260 {
1261         u32 val;
1262
1263         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1264
1265         /* disable both bits, even after read */
1266         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1267                (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
1268                         MCPR_NVM_ACCESS_ENABLE_WR_EN)));
1269 }
1270
1271 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
1272                                   u32 cmd_flags)
1273 {
1274         int count, i, rc;
1275         u32 val;
1276
1277         /* build the command word */
1278         cmd_flags |= MCPR_NVM_COMMAND_DOIT;
1279
1280         /* need to clear DONE bit separately */
1281         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1282
1283         /* address of the NVRAM to read from */
1284         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1285                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1286
1287         /* issue a read command */
1288         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1289
1290         /* adjust timeout for emulation/FPGA */
1291         count = BNX2X_NVRAM_TIMEOUT_COUNT;
1292         if (CHIP_REV_IS_SLOW(bp))
1293                 count *= 100;
1294
1295         /* wait for completion */
1296         *ret_val = 0;
1297         rc = -EBUSY;
1298         for (i = 0; i < count; i++) {
1299                 udelay(5);
1300                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1301
1302                 if (val & MCPR_NVM_COMMAND_DONE) {
1303                         val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
1304                         /* we read nvram data in cpu order
1305                          * but ethtool sees it as an array of bytes
1306                          * converting to big-endian will do the work
1307                          */
1308                         *ret_val = cpu_to_be32(val);
1309                         rc = 0;
1310                         break;
1311                 }
1312         }
1313         if (rc == -EBUSY)
1314                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1315                    "nvram read timeout expired\n");
1316         return rc;
1317 }
1318
1319 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
1320                             int buf_size)
1321 {
1322         int rc;
1323         u32 cmd_flags;
1324         __be32 val;
1325
1326         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1327                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1328                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
1329                    offset, buf_size);
1330                 return -EINVAL;
1331         }
1332
1333         if (offset + buf_size > bp->common.flash_size) {
1334                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1335                    "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1336                    offset, buf_size, bp->common.flash_size);
1337                 return -EINVAL;
1338         }
1339
1340         /* request access to nvram interface */
1341         rc = bnx2x_acquire_nvram_lock(bp);
1342         if (rc)
1343                 return rc;
1344
1345         /* enable access to nvram interface */
1346         bnx2x_enable_nvram_access(bp);
1347
1348         /* read the first word(s) */
1349         cmd_flags = MCPR_NVM_COMMAND_FIRST;
1350         while ((buf_size > sizeof(u32)) && (rc == 0)) {
1351                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1352                 memcpy(ret_buf, &val, 4);
1353
1354                 /* advance to the next dword */
1355                 offset += sizeof(u32);
1356                 ret_buf += sizeof(u32);
1357                 buf_size -= sizeof(u32);
1358                 cmd_flags = 0;
1359         }
1360
1361         if (rc == 0) {
1362                 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1363                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1364                 memcpy(ret_buf, &val, 4);
1365         }
1366
1367         /* disable access to nvram interface */
1368         bnx2x_disable_nvram_access(bp);
1369         bnx2x_release_nvram_lock(bp);
1370
1371         return rc;
1372 }
1373
1374 static int bnx2x_nvram_read32(struct bnx2x *bp, u32 offset, u32 *buf,
1375                               int buf_size)
1376 {
1377         int rc;
1378
1379         rc = bnx2x_nvram_read(bp, offset, (u8 *)buf, buf_size);
1380
1381         if (!rc) {
1382                 __be32 *be = (__be32 *)buf;
1383
1384                 while ((buf_size -= 4) >= 0)
1385                         *buf++ = be32_to_cpu(*be++);
1386         }
1387
1388         return rc;
1389 }
1390
1391 static bool bnx2x_is_nvm_accessible(struct bnx2x *bp)
1392 {
1393         int rc = 1;
1394         u16 pm = 0;
1395         struct net_device *dev = pci_get_drvdata(bp->pdev);
1396
1397         if (bp->pdev->pm_cap)
1398                 rc = pci_read_config_word(bp->pdev,
1399                                           bp->pdev->pm_cap + PCI_PM_CTRL, &pm);
1400
1401         if ((rc && !netif_running(dev)) ||
1402             (!rc && ((pm & PCI_PM_CTRL_STATE_MASK) != (__force u16)PCI_D0)))
1403                 return false;
1404
1405         return true;
1406 }
1407
1408 static int bnx2x_get_eeprom(struct net_device *dev,
1409                             struct ethtool_eeprom *eeprom, u8 *eebuf)
1410 {
1411         struct bnx2x *bp = netdev_priv(dev);
1412
1413         if (!bnx2x_is_nvm_accessible(bp)) {
1414                 DP(BNX2X_MSG_ETHTOOL  | BNX2X_MSG_NVM,
1415                    "cannot access eeprom when the interface is down\n");
1416                 return -EAGAIN;
1417         }
1418
1419         DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1420            "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
1421            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1422            eeprom->len, eeprom->len);
1423
1424         /* parameters already validated in ethtool_get_eeprom */
1425
1426         return bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
1427 }
1428
1429 static int bnx2x_get_module_eeprom(struct net_device *dev,
1430                                    struct ethtool_eeprom *ee,
1431                                    u8 *data)
1432 {
1433         struct bnx2x *bp = netdev_priv(dev);
1434         int rc = -EINVAL, phy_idx;
1435         u8 *user_data = data;
1436         unsigned int start_addr = ee->offset, xfer_size = 0;
1437
1438         if (!bnx2x_is_nvm_accessible(bp)) {
1439                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1440                    "cannot access eeprom when the interface is down\n");
1441                 return -EAGAIN;
1442         }
1443
1444         phy_idx = bnx2x_get_cur_phy_idx(bp);
1445
1446         /* Read A0 section */
1447         if (start_addr < ETH_MODULE_SFF_8079_LEN) {
1448                 /* Limit transfer size to the A0 section boundary */
1449                 if (start_addr + ee->len > ETH_MODULE_SFF_8079_LEN)
1450                         xfer_size = ETH_MODULE_SFF_8079_LEN - start_addr;
1451                 else
1452                         xfer_size = ee->len;
1453                 bnx2x_acquire_phy_lock(bp);
1454                 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1455                                                   &bp->link_params,
1456                                                   I2C_DEV_ADDR_A0,
1457                                                   start_addr,
1458                                                   xfer_size,
1459                                                   user_data);
1460                 bnx2x_release_phy_lock(bp);
1461                 if (rc) {
1462                         DP(BNX2X_MSG_ETHTOOL, "Failed reading A0 section\n");
1463
1464                         return -EINVAL;
1465                 }
1466                 user_data += xfer_size;
1467                 start_addr += xfer_size;
1468         }
1469
1470         /* Read A2 section */
1471         if ((start_addr >= ETH_MODULE_SFF_8079_LEN) &&
1472             (start_addr < ETH_MODULE_SFF_8472_LEN)) {
1473                 xfer_size = ee->len - xfer_size;
1474                 /* Limit transfer size to the A2 section boundary */
1475                 if (start_addr + xfer_size > ETH_MODULE_SFF_8472_LEN)
1476                         xfer_size = ETH_MODULE_SFF_8472_LEN - start_addr;
1477                 start_addr -= ETH_MODULE_SFF_8079_LEN;
1478                 bnx2x_acquire_phy_lock(bp);
1479                 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1480                                                   &bp->link_params,
1481                                                   I2C_DEV_ADDR_A2,
1482                                                   start_addr,
1483                                                   xfer_size,
1484                                                   user_data);
1485                 bnx2x_release_phy_lock(bp);
1486                 if (rc) {
1487                         DP(BNX2X_MSG_ETHTOOL, "Failed reading A2 section\n");
1488                         return -EINVAL;
1489                 }
1490         }
1491         return rc;
1492 }
1493
1494 static int bnx2x_get_module_info(struct net_device *dev,
1495                                  struct ethtool_modinfo *modinfo)
1496 {
1497         struct bnx2x *bp = netdev_priv(dev);
1498         int phy_idx, rc;
1499         u8 sff8472_comp, diag_type;
1500
1501         if (!bnx2x_is_nvm_accessible(bp)) {
1502                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1503                    "cannot access eeprom when the interface is down\n");
1504                 return -EAGAIN;
1505         }
1506         phy_idx = bnx2x_get_cur_phy_idx(bp);
1507         bnx2x_acquire_phy_lock(bp);
1508         rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1509                                           &bp->link_params,
1510                                           I2C_DEV_ADDR_A0,
1511                                           SFP_EEPROM_SFF_8472_COMP_ADDR,
1512                                           SFP_EEPROM_SFF_8472_COMP_SIZE,
1513                                           &sff8472_comp);
1514         bnx2x_release_phy_lock(bp);
1515         if (rc) {
1516                 DP(BNX2X_MSG_ETHTOOL, "Failed reading SFF-8472 comp field\n");
1517                 return -EINVAL;
1518         }
1519
1520         bnx2x_acquire_phy_lock(bp);
1521         rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1522                                           &bp->link_params,
1523                                           I2C_DEV_ADDR_A0,
1524                                           SFP_EEPROM_DIAG_TYPE_ADDR,
1525                                           SFP_EEPROM_DIAG_TYPE_SIZE,
1526                                           &diag_type);
1527         bnx2x_release_phy_lock(bp);
1528         if (rc) {
1529                 DP(BNX2X_MSG_ETHTOOL, "Failed reading Diag Type field\n");
1530                 return -EINVAL;
1531         }
1532
1533         if (!sff8472_comp ||
1534             (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ)) {
1535                 modinfo->type = ETH_MODULE_SFF_8079;
1536                 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
1537         } else {
1538                 modinfo->type = ETH_MODULE_SFF_8472;
1539                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1540         }
1541         return 0;
1542 }
1543
1544 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
1545                                    u32 cmd_flags)
1546 {
1547         int count, i, rc;
1548
1549         /* build the command word */
1550         cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
1551
1552         /* need to clear DONE bit separately */
1553         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1554
1555         /* write the data */
1556         REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
1557
1558         /* address of the NVRAM to write to */
1559         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1560                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1561
1562         /* issue the write command */
1563         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1564
1565         /* adjust timeout for emulation/FPGA */
1566         count = BNX2X_NVRAM_TIMEOUT_COUNT;
1567         if (CHIP_REV_IS_SLOW(bp))
1568                 count *= 100;
1569
1570         /* wait for completion */
1571         rc = -EBUSY;
1572         for (i = 0; i < count; i++) {
1573                 udelay(5);
1574                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1575                 if (val & MCPR_NVM_COMMAND_DONE) {
1576                         rc = 0;
1577                         break;
1578                 }
1579         }
1580
1581         if (rc == -EBUSY)
1582                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1583                    "nvram write timeout expired\n");
1584         return rc;
1585 }
1586
1587 #define BYTE_OFFSET(offset)             (8 * (offset & 0x03))
1588
1589 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
1590                               int buf_size)
1591 {
1592         int rc;
1593         u32 cmd_flags, align_offset, val;
1594         __be32 val_be;
1595
1596         if (offset + buf_size > bp->common.flash_size) {
1597                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1598                    "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1599                    offset, buf_size, bp->common.flash_size);
1600                 return -EINVAL;
1601         }
1602
1603         /* request access to nvram interface */
1604         rc = bnx2x_acquire_nvram_lock(bp);
1605         if (rc)
1606                 return rc;
1607
1608         /* enable access to nvram interface */
1609         bnx2x_enable_nvram_access(bp);
1610
1611         cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
1612         align_offset = (offset & ~0x03);
1613         rc = bnx2x_nvram_read_dword(bp, align_offset, &val_be, cmd_flags);
1614
1615         if (rc == 0) {
1616                 /* nvram data is returned as an array of bytes
1617                  * convert it back to cpu order
1618                  */
1619                 val = be32_to_cpu(val_be);
1620
1621                 val &= ~le32_to_cpu((__force __le32)
1622                                     (0xff << BYTE_OFFSET(offset)));
1623                 val |= le32_to_cpu((__force __le32)
1624                                    (*data_buf << BYTE_OFFSET(offset)));
1625
1626                 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
1627                                              cmd_flags);
1628         }
1629
1630         /* disable access to nvram interface */
1631         bnx2x_disable_nvram_access(bp);
1632         bnx2x_release_nvram_lock(bp);
1633
1634         return rc;
1635 }
1636
1637 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
1638                              int buf_size)
1639 {
1640         int rc;
1641         u32 cmd_flags;
1642         u32 val;
1643         u32 written_so_far;
1644
1645         if (buf_size == 1)      /* ethtool */
1646                 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
1647
1648         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1649                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1650                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
1651                    offset, buf_size);
1652                 return -EINVAL;
1653         }
1654
1655         if (offset + buf_size > bp->common.flash_size) {
1656                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1657                    "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1658                    offset, buf_size, bp->common.flash_size);
1659                 return -EINVAL;
1660         }
1661
1662         /* request access to nvram interface */
1663         rc = bnx2x_acquire_nvram_lock(bp);
1664         if (rc)
1665                 return rc;
1666
1667         /* enable access to nvram interface */
1668         bnx2x_enable_nvram_access(bp);
1669
1670         written_so_far = 0;
1671         cmd_flags = MCPR_NVM_COMMAND_FIRST;
1672         while ((written_so_far < buf_size) && (rc == 0)) {
1673                 if (written_so_far == (buf_size - sizeof(u32)))
1674                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
1675                 else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0)
1676                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
1677                 else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0)
1678                         cmd_flags |= MCPR_NVM_COMMAND_FIRST;
1679
1680                 memcpy(&val, data_buf, 4);
1681
1682                 /* Notice unlike bnx2x_nvram_read_dword() this will not
1683                  * change val using be32_to_cpu(), which causes data to flip
1684                  * if the eeprom is read and then written back. This is due
1685                  * to tools utilizing this functionality that would break
1686                  * if this would be resolved.
1687                  */
1688                 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
1689
1690                 /* advance to the next dword */
1691                 offset += sizeof(u32);
1692                 data_buf += sizeof(u32);
1693                 written_so_far += sizeof(u32);
1694                 cmd_flags = 0;
1695         }
1696
1697         /* disable access to nvram interface */
1698         bnx2x_disable_nvram_access(bp);
1699         bnx2x_release_nvram_lock(bp);
1700
1701         return rc;
1702 }
1703
1704 static int bnx2x_set_eeprom(struct net_device *dev,
1705                             struct ethtool_eeprom *eeprom, u8 *eebuf)
1706 {
1707         struct bnx2x *bp = netdev_priv(dev);
1708         int port = BP_PORT(bp);
1709         int rc = 0;
1710         u32 ext_phy_config;
1711
1712         if (!bnx2x_is_nvm_accessible(bp)) {
1713                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1714                    "cannot access eeprom when the interface is down\n");
1715                 return -EAGAIN;
1716         }
1717
1718         DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1719            "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
1720            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1721            eeprom->len, eeprom->len);
1722
1723         /* parameters already validated in ethtool_set_eeprom */
1724
1725         /* PHY eeprom can be accessed only by the PMF */
1726         if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
1727             !bp->port.pmf) {
1728                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1729                    "wrong magic or interface is not pmf\n");
1730                 return -EINVAL;
1731         }
1732
1733         ext_phy_config =
1734                 SHMEM_RD(bp,
1735                          dev_info.port_hw_config[port].external_phy_config);
1736
1737         if (eeprom->magic == 0x50485950) {
1738                 /* 'PHYP' (0x50485950): prepare phy for FW upgrade */
1739                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1740
1741                 bnx2x_acquire_phy_lock(bp);
1742                 rc |= bnx2x_link_reset(&bp->link_params,
1743                                        &bp->link_vars, 0);
1744                 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1745                                         PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
1746                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1747                                        MISC_REGISTERS_GPIO_HIGH, port);
1748                 bnx2x_release_phy_lock(bp);
1749                 bnx2x_link_report(bp);
1750
1751         } else if (eeprom->magic == 0x50485952) {
1752                 /* 'PHYR' (0x50485952): re-init link after FW upgrade */
1753                 if (bp->state == BNX2X_STATE_OPEN) {
1754                         bnx2x_acquire_phy_lock(bp);
1755                         rc |= bnx2x_link_reset(&bp->link_params,
1756                                                &bp->link_vars, 1);
1757
1758                         rc |= bnx2x_phy_init(&bp->link_params,
1759                                              &bp->link_vars);
1760                         bnx2x_release_phy_lock(bp);
1761                         bnx2x_calc_fc_adv(bp);
1762                 }
1763         } else if (eeprom->magic == 0x53985943) {
1764                 /* 'PHYC' (0x53985943): PHY FW upgrade completed */
1765                 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1766                                        PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {
1767
1768                         /* DSP Remove Download Mode */
1769                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1770                                        MISC_REGISTERS_GPIO_LOW, port);
1771
1772                         bnx2x_acquire_phy_lock(bp);
1773
1774                         bnx2x_sfx7101_sp_sw_reset(bp,
1775                                                 &bp->link_params.phy[EXT_PHY1]);
1776
1777                         /* wait 0.5 sec to allow it to run */
1778                         msleep(500);
1779                         bnx2x_ext_phy_hw_reset(bp, port);
1780                         msleep(500);
1781                         bnx2x_release_phy_lock(bp);
1782                 }
1783         } else
1784                 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
1785
1786         return rc;
1787 }
1788
1789 static int bnx2x_get_coalesce(struct net_device *dev,
1790                               struct ethtool_coalesce *coal)
1791 {
1792         struct bnx2x *bp = netdev_priv(dev);
1793
1794         memset(coal, 0, sizeof(struct ethtool_coalesce));
1795
1796         coal->rx_coalesce_usecs = bp->rx_ticks;
1797         coal->tx_coalesce_usecs = bp->tx_ticks;
1798
1799         return 0;
1800 }
1801
1802 static int bnx2x_set_coalesce(struct net_device *dev,
1803                               struct ethtool_coalesce *coal)
1804 {
1805         struct bnx2x *bp = netdev_priv(dev);
1806
1807         bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
1808         if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
1809                 bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;
1810
1811         bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
1812         if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
1813                 bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;
1814
1815         if (netif_running(dev))
1816                 bnx2x_update_coalesce(bp);
1817
1818         return 0;
1819 }
1820
1821 static void bnx2x_get_ringparam(struct net_device *dev,
1822                                 struct ethtool_ringparam *ering)
1823 {
1824         struct bnx2x *bp = netdev_priv(dev);
1825
1826         ering->rx_max_pending = MAX_RX_AVAIL;
1827
1828         if (bp->rx_ring_size)
1829                 ering->rx_pending = bp->rx_ring_size;
1830         else
1831                 ering->rx_pending = MAX_RX_AVAIL;
1832
1833         ering->tx_max_pending = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
1834         ering->tx_pending = bp->tx_ring_size;
1835 }
1836
1837 static int bnx2x_set_ringparam(struct net_device *dev,
1838                                struct ethtool_ringparam *ering)
1839 {
1840         struct bnx2x *bp = netdev_priv(dev);
1841
1842         DP(BNX2X_MSG_ETHTOOL,
1843            "set ring params command parameters: rx_pending = %d, tx_pending = %d\n",
1844            ering->rx_pending, ering->tx_pending);
1845
1846         if (pci_num_vf(bp->pdev)) {
1847                 DP(BNX2X_MSG_IOV,
1848                    "VFs are enabled, can not change ring parameters\n");
1849                 return -EPERM;
1850         }
1851
1852         if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1853                 DP(BNX2X_MSG_ETHTOOL,
1854                    "Handling parity error recovery. Try again later\n");
1855                 return -EAGAIN;
1856         }
1857
1858         if ((ering->rx_pending > MAX_RX_AVAIL) ||
1859             (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
1860                                                     MIN_RX_SIZE_TPA)) ||
1861             (ering->tx_pending > (IS_MF_STORAGE_ONLY(bp) ? 0 : MAX_TX_AVAIL)) ||
1862             (ering->tx_pending <= MAX_SKB_FRAGS + 4)) {
1863                 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
1864                 return -EINVAL;
1865         }
1866
1867         bp->rx_ring_size = ering->rx_pending;
1868         bp->tx_ring_size = ering->tx_pending;
1869
1870         return bnx2x_reload_if_running(dev);
1871 }
1872
1873 static void bnx2x_get_pauseparam(struct net_device *dev,
1874                                  struct ethtool_pauseparam *epause)
1875 {
1876         struct bnx2x *bp = netdev_priv(dev);
1877         int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1878         int cfg_reg;
1879
1880         epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
1881                            BNX2X_FLOW_CTRL_AUTO);
1882
1883         if (!epause->autoneg)
1884                 cfg_reg = bp->link_params.req_flow_ctrl[cfg_idx];
1885         else
1886                 cfg_reg = bp->link_params.req_fc_auto_adv;
1887
1888         epause->rx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_RX) ==
1889                             BNX2X_FLOW_CTRL_RX);
1890         epause->tx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_TX) ==
1891                             BNX2X_FLOW_CTRL_TX);
1892
1893         DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
1894            "  autoneg %d  rx_pause %d  tx_pause %d\n",
1895            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1896 }
1897
1898 static int bnx2x_set_pauseparam(struct net_device *dev,
1899                                 struct ethtool_pauseparam *epause)
1900 {
1901         struct bnx2x *bp = netdev_priv(dev);
1902         u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1903         if (IS_MF(bp))
1904                 return 0;
1905
1906         DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
1907            "  autoneg %d  rx_pause %d  tx_pause %d\n",
1908            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1909
1910         bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
1911
1912         if (epause->rx_pause)
1913                 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
1914
1915         if (epause->tx_pause)
1916                 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
1917
1918         if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
1919                 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
1920
1921         if (epause->autoneg) {
1922                 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
1923                         DP(BNX2X_MSG_ETHTOOL, "autoneg not supported\n");
1924                         return -EINVAL;
1925                 }
1926
1927                 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
1928                         bp->link_params.req_flow_ctrl[cfg_idx] =
1929                                 BNX2X_FLOW_CTRL_AUTO;
1930                 }
1931                 bp->link_params.req_fc_auto_adv = 0;
1932                 if (epause->rx_pause)
1933                         bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_RX;
1934
1935                 if (epause->tx_pause)
1936                         bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_TX;
1937
1938                 if (!bp->link_params.req_fc_auto_adv)
1939                         bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_NONE;
1940         }
1941
1942         DP(BNX2X_MSG_ETHTOOL,
1943            "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
1944
1945         if (netif_running(dev)) {
1946                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1947                 bnx2x_link_set(bp);
1948         }
1949
1950         return 0;
1951 }
1952
1953 static const char bnx2x_tests_str_arr[BNX2X_NUM_TESTS_SF][ETH_GSTRING_LEN] = {
1954         "register_test (offline)    ",
1955         "memory_test (offline)      ",
1956         "int_loopback_test (offline)",
1957         "ext_loopback_test (offline)",
1958         "nvram_test (online)        ",
1959         "interrupt_test (online)    ",
1960         "link_test (online)         "
1961 };
1962
1963 enum {
1964         BNX2X_PRI_FLAG_ISCSI,
1965         BNX2X_PRI_FLAG_FCOE,
1966         BNX2X_PRI_FLAG_STORAGE,
1967         BNX2X_PRI_FLAG_LEN,
1968 };
1969
1970 static const char bnx2x_private_arr[BNX2X_PRI_FLAG_LEN][ETH_GSTRING_LEN] = {
1971         "iSCSI offload support",
1972         "FCoE offload support",
1973         "Storage only interface"
1974 };
1975
1976 static u32 bnx2x_eee_to_adv(u32 eee_adv)
1977 {
1978         u32 modes = 0;
1979
1980         if (eee_adv & SHMEM_EEE_100M_ADV)
1981                 modes |= ADVERTISED_100baseT_Full;
1982         if (eee_adv & SHMEM_EEE_1G_ADV)
1983                 modes |= ADVERTISED_1000baseT_Full;
1984         if (eee_adv & SHMEM_EEE_10G_ADV)
1985                 modes |= ADVERTISED_10000baseT_Full;
1986
1987         return modes;
1988 }
1989
1990 static u32 bnx2x_adv_to_eee(u32 modes, u32 shift)
1991 {
1992         u32 eee_adv = 0;
1993         if (modes & ADVERTISED_100baseT_Full)
1994                 eee_adv |= SHMEM_EEE_100M_ADV;
1995         if (modes & ADVERTISED_1000baseT_Full)
1996                 eee_adv |= SHMEM_EEE_1G_ADV;
1997         if (modes & ADVERTISED_10000baseT_Full)
1998                 eee_adv |= SHMEM_EEE_10G_ADV;
1999
2000         return eee_adv << shift;
2001 }
2002
2003 static int bnx2x_get_eee(struct net_device *dev, struct ethtool_eee *edata)
2004 {
2005         struct bnx2x *bp = netdev_priv(dev);
2006         u32 eee_cfg;
2007
2008         if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
2009                 DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
2010                 return -EOPNOTSUPP;
2011         }
2012
2013         eee_cfg = bp->link_vars.eee_status;
2014
2015         edata->supported =
2016                 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >>
2017                                  SHMEM_EEE_SUPPORTED_SHIFT);
2018
2019         edata->advertised =
2020                 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_ADV_STATUS_MASK) >>
2021                                  SHMEM_EEE_ADV_STATUS_SHIFT);
2022         edata->lp_advertised =
2023                 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_LP_ADV_STATUS_MASK) >>
2024                                  SHMEM_EEE_LP_ADV_STATUS_SHIFT);
2025
2026         /* SHMEM value is in 16u units --> Convert to 1u units. */
2027         edata->tx_lpi_timer = (eee_cfg & SHMEM_EEE_TIMER_MASK) << 4;
2028
2029         edata->eee_enabled    = (eee_cfg & SHMEM_EEE_REQUESTED_BIT)     ? 1 : 0;
2030         edata->eee_active     = (eee_cfg & SHMEM_EEE_ACTIVE_BIT)        ? 1 : 0;
2031         edata->tx_lpi_enabled = (eee_cfg & SHMEM_EEE_LPI_REQUESTED_BIT) ? 1 : 0;
2032
2033         return 0;
2034 }
2035
2036 static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata)
2037 {
2038         struct bnx2x *bp = netdev_priv(dev);
2039         u32 eee_cfg;
2040         u32 advertised;
2041
2042         if (IS_MF(bp))
2043                 return 0;
2044
2045         if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
2046                 DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
2047                 return -EOPNOTSUPP;
2048         }
2049
2050         eee_cfg = bp->link_vars.eee_status;
2051
2052         if (!(eee_cfg & SHMEM_EEE_SUPPORTED_MASK)) {
2053                 DP(BNX2X_MSG_ETHTOOL, "Board does not support EEE!\n");
2054                 return -EOPNOTSUPP;
2055         }
2056
2057         advertised = bnx2x_adv_to_eee(edata->advertised,
2058                                       SHMEM_EEE_ADV_STATUS_SHIFT);
2059         if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) {
2060                 DP(BNX2X_MSG_ETHTOOL,
2061                    "Direct manipulation of EEE advertisement is not supported\n");
2062                 return -EINVAL;
2063         }
2064
2065         if (edata->tx_lpi_timer > EEE_MODE_TIMER_MASK) {
2066                 DP(BNX2X_MSG_ETHTOOL,
2067                    "Maximal Tx Lpi timer supported is %x(u)\n",
2068                    EEE_MODE_TIMER_MASK);
2069                 return -EINVAL;
2070         }
2071         if (edata->tx_lpi_enabled &&
2072             (edata->tx_lpi_timer < EEE_MODE_NVRAM_AGGRESSIVE_TIME)) {
2073                 DP(BNX2X_MSG_ETHTOOL,
2074                    "Minimal Tx Lpi timer supported is %d(u)\n",
2075                    EEE_MODE_NVRAM_AGGRESSIVE_TIME);
2076                 return -EINVAL;
2077         }
2078
2079         /* All is well; Apply changes*/
2080         if (edata->eee_enabled)
2081                 bp->link_params.eee_mode |= EEE_MODE_ADV_LPI;
2082         else
2083                 bp->link_params.eee_mode &= ~EEE_MODE_ADV_LPI;
2084
2085         if (edata->tx_lpi_enabled)
2086                 bp->link_params.eee_mode |= EEE_MODE_ENABLE_LPI;
2087         else
2088                 bp->link_params.eee_mode &= ~EEE_MODE_ENABLE_LPI;
2089
2090         bp->link_params.eee_mode &= ~EEE_MODE_TIMER_MASK;
2091         bp->link_params.eee_mode |= (edata->tx_lpi_timer &
2092                                     EEE_MODE_TIMER_MASK) |
2093                                     EEE_MODE_OVERRIDE_NVRAM |
2094                                     EEE_MODE_OUTPUT_TIME;
2095
2096         /* Restart link to propagate changes */
2097         if (netif_running(dev)) {
2098                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2099                 bnx2x_force_link_reset(bp);
2100                 bnx2x_link_set(bp);
2101         }
2102
2103         return 0;
2104 }
2105
2106 enum {
2107         BNX2X_CHIP_E1_OFST = 0,
2108         BNX2X_CHIP_E1H_OFST,
2109         BNX2X_CHIP_E2_OFST,
2110         BNX2X_CHIP_E3_OFST,
2111         BNX2X_CHIP_E3B0_OFST,
2112         BNX2X_CHIP_MAX_OFST
2113 };
2114
2115 #define BNX2X_CHIP_MASK_E1      (1 << BNX2X_CHIP_E1_OFST)
2116 #define BNX2X_CHIP_MASK_E1H     (1 << BNX2X_CHIP_E1H_OFST)
2117 #define BNX2X_CHIP_MASK_E2      (1 << BNX2X_CHIP_E2_OFST)
2118 #define BNX2X_CHIP_MASK_E3      (1 << BNX2X_CHIP_E3_OFST)
2119 #define BNX2X_CHIP_MASK_E3B0    (1 << BNX2X_CHIP_E3B0_OFST)
2120
2121 #define BNX2X_CHIP_MASK_ALL     ((1 << BNX2X_CHIP_MAX_OFST) - 1)
2122 #define BNX2X_CHIP_MASK_E1X     (BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H)
2123
2124 static int bnx2x_test_registers(struct bnx2x *bp)
2125 {
2126         int idx, i, rc = -ENODEV;
2127         u32 wr_val = 0, hw;
2128         int port = BP_PORT(bp);
2129         static const struct {
2130                 u32 hw;
2131                 u32 offset0;
2132                 u32 offset1;
2133                 u32 mask;
2134         } reg_tbl[] = {
2135 /* 0 */         { BNX2X_CHIP_MASK_ALL,
2136                         BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
2137                 { BNX2X_CHIP_MASK_ALL,
2138                         DORQ_REG_DB_ADDR0,              4, 0xffffffff },
2139                 { BNX2X_CHIP_MASK_E1X,
2140                         HC_REG_AGG_INT_0,               4, 0x000003ff },
2141                 { BNX2X_CHIP_MASK_ALL,
2142                         PBF_REG_MAC_IF0_ENABLE,         4, 0x00000001 },
2143                 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3,
2144                         PBF_REG_P0_INIT_CRD,            4, 0x000007ff },
2145                 { BNX2X_CHIP_MASK_E3B0,
2146                         PBF_REG_INIT_CRD_Q0,            4, 0x000007ff },
2147                 { BNX2X_CHIP_MASK_ALL,
2148                         PRS_REG_CID_PORT_0,             4, 0x00ffffff },
2149                 { BNX2X_CHIP_MASK_ALL,
2150                         PXP2_REG_PSWRQ_CDU0_L2P,        4, 0x000fffff },
2151                 { BNX2X_CHIP_MASK_ALL,
2152                         PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
2153                 { BNX2X_CHIP_MASK_ALL,
2154                         PXP2_REG_PSWRQ_TM0_L2P,         4, 0x000fffff },
2155 /* 10 */        { BNX2X_CHIP_MASK_ALL,
2156                         PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
2157                 { BNX2X_CHIP_MASK_ALL,
2158                         PXP2_REG_PSWRQ_TSDM0_L2P,       4, 0x000fffff },
2159                 { BNX2X_CHIP_MASK_ALL,
2160                         QM_REG_CONNNUM_0,               4, 0x000fffff },
2161                 { BNX2X_CHIP_MASK_ALL,
2162                         TM_REG_LIN0_MAX_ACTIVE_CID,     4, 0x0003ffff },
2163                 { BNX2X_CHIP_MASK_ALL,
2164                         SRC_REG_KEYRSS0_0,              40, 0xffffffff },
2165                 { BNX2X_CHIP_MASK_ALL,
2166                         SRC_REG_KEYRSS0_7,              40, 0xffffffff },
2167                 { BNX2X_CHIP_MASK_ALL,
2168                         XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
2169                 { BNX2X_CHIP_MASK_ALL,
2170                         XCM_REG_WU_DA_CNT_CMD00,        4, 0x00000003 },
2171                 { BNX2X_CHIP_MASK_ALL,
2172                         XCM_REG_GLB_DEL_ACK_MAX_CNT_0,  4, 0x000000ff },
2173                 { BNX2X_CHIP_MASK_ALL,
2174                         NIG_REG_LLH0_T_BIT,             4, 0x00000001 },
2175 /* 20 */        { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2176                         NIG_REG_EMAC0_IN_EN,            4, 0x00000001 },
2177                 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2178                         NIG_REG_BMAC0_IN_EN,            4, 0x00000001 },
2179                 { BNX2X_CHIP_MASK_ALL,
2180                         NIG_REG_XCM0_OUT_EN,            4, 0x00000001 },
2181                 { BNX2X_CHIP_MASK_ALL,
2182                         NIG_REG_BRB0_OUT_EN,            4, 0x00000001 },
2183                 { BNX2X_CHIP_MASK_ALL,
2184                         NIG_REG_LLH0_XCM_MASK,          4, 0x00000007 },
2185                 { BNX2X_CHIP_MASK_ALL,
2186                         NIG_REG_LLH0_ACPI_PAT_6_LEN,    68, 0x000000ff },
2187                 { BNX2X_CHIP_MASK_ALL,
2188                         NIG_REG_LLH0_ACPI_PAT_0_CRC,    68, 0xffffffff },
2189                 { BNX2X_CHIP_MASK_ALL,
2190                         NIG_REG_LLH0_DEST_MAC_0_0,      160, 0xffffffff },
2191                 { BNX2X_CHIP_MASK_ALL,
2192                         NIG_REG_LLH0_DEST_IP_0_1,       160, 0xffffffff },
2193                 { BNX2X_CHIP_MASK_ALL,
2194                         NIG_REG_LLH0_IPV4_IPV6_0,       160, 0x00000001 },
2195 /* 30 */        { BNX2X_CHIP_MASK_ALL,
2196                         NIG_REG_LLH0_DEST_UDP_0,        160, 0x0000ffff },
2197                 { BNX2X_CHIP_MASK_ALL,
2198                         NIG_REG_LLH0_DEST_TCP_0,        160, 0x0000ffff },
2199                 { BNX2X_CHIP_MASK_ALL,
2200                         NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
2201                 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2202                         NIG_REG_XGXS_SERDES0_MODE_SEL,  4, 0x00000001 },
2203                 { BNX2X_CHIP_MASK_ALL,
2204                         NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001},
2205                 { BNX2X_CHIP_MASK_ALL,
2206                         NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
2207                 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2208                         NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
2209                 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2210                         NIG_REG_SERDES0_CTRL_PHY_ADDR,  16, 0x0000001f },
2211
2212                 { BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 }
2213         };
2214
2215         if (!bnx2x_is_nvm_accessible(bp)) {
2216                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2217                    "cannot access eeprom when the interface is down\n");
2218                 return rc;
2219         }
2220
2221         if (CHIP_IS_E1(bp))
2222                 hw = BNX2X_CHIP_MASK_E1;
2223         else if (CHIP_IS_E1H(bp))
2224                 hw = BNX2X_CHIP_MASK_E1H;
2225         else if (CHIP_IS_E2(bp))
2226                 hw = BNX2X_CHIP_MASK_E2;
2227         else if (CHIP_IS_E3B0(bp))
2228                 hw = BNX2X_CHIP_MASK_E3B0;
2229         else /* e3 A0 */
2230                 hw = BNX2X_CHIP_MASK_E3;
2231
2232         /* Repeat the test twice:
2233          * First by writing 0x00000000, second by writing 0xffffffff
2234          */
2235         for (idx = 0; idx < 2; idx++) {
2236
2237                 switch (idx) {
2238                 case 0:
2239                         wr_val = 0;
2240                         break;
2241                 case 1:
2242                         wr_val = 0xffffffff;
2243                         break;
2244                 }
2245
2246                 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
2247                         u32 offset, mask, save_val, val;
2248                         if (!(hw & reg_tbl[i].hw))
2249                                 continue;
2250
2251                         offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
2252                         mask = reg_tbl[i].mask;
2253
2254                         save_val = REG_RD(bp, offset);
2255
2256                         REG_WR(bp, offset, wr_val & mask);
2257
2258                         val = REG_RD(bp, offset);
2259
2260                         /* Restore the original register's value */
2261                         REG_WR(bp, offset, save_val);
2262
2263                         /* verify value is as expected */
2264                         if ((val & mask) != (wr_val & mask)) {
2265                                 DP(BNX2X_MSG_ETHTOOL,
2266                                    "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
2267                                    offset, val, wr_val, mask);
2268                                 goto test_reg_exit;
2269                         }
2270                 }
2271         }
2272
2273         rc = 0;
2274
2275 test_reg_exit:
2276         return rc;
2277 }
2278
2279 static int bnx2x_test_memory(struct bnx2x *bp)
2280 {
2281         int i, j, rc = -ENODEV;
2282         u32 val, index;
2283         static const struct {
2284                 u32 offset;
2285                 int size;
2286         } mem_tbl[] = {
2287                 { CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
2288                 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
2289                 { CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
2290                 { DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
2291                 { TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
2292                 { UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
2293                 { XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },
2294
2295                 { 0xffffffff, 0 }
2296         };
2297
2298         static const struct {
2299                 char *name;
2300                 u32 offset;
2301                 u32 hw_mask[BNX2X_CHIP_MAX_OFST];
2302         } prty_tbl[] = {
2303                 { "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,
2304                         {0x3ffc0, 0,   0, 0} },
2305                 { "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,
2306                         {0x2,     0x2, 0, 0} },
2307                 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS,
2308                         {0,       0,   0, 0} },
2309                 { "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,
2310                         {0x3ffc0, 0,   0, 0} },
2311                 { "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,
2312                         {0x3ffc0, 0,   0, 0} },
2313                 { "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,
2314                         {0x3ffc1, 0,   0, 0} },
2315
2316                 { NULL, 0xffffffff, {0, 0, 0, 0} }
2317         };
2318
2319         if (!bnx2x_is_nvm_accessible(bp)) {
2320                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2321                    "cannot access eeprom when the interface is down\n");
2322                 return rc;
2323         }
2324
2325         if (CHIP_IS_E1(bp))
2326                 index = BNX2X_CHIP_E1_OFST;
2327         else if (CHIP_IS_E1H(bp))
2328                 index = BNX2X_CHIP_E1H_OFST;
2329         else if (CHIP_IS_E2(bp))
2330                 index = BNX2X_CHIP_E2_OFST;
2331         else /* e3 */
2332                 index = BNX2X_CHIP_E3_OFST;
2333
2334         /* pre-Check the parity status */
2335         for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
2336                 val = REG_RD(bp, prty_tbl[i].offset);
2337                 if (val & ~(prty_tbl[i].hw_mask[index])) {
2338                         DP(BNX2X_MSG_ETHTOOL,
2339                            "%s is 0x%x\n", prty_tbl[i].name, val);
2340                         goto test_mem_exit;
2341                 }
2342         }
2343
2344         /* Go through all the memories */
2345         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
2346                 for (j = 0; j < mem_tbl[i].size; j++)
2347                         REG_RD(bp, mem_tbl[i].offset + j*4);
2348
2349         /* Check the parity status */
2350         for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
2351                 val = REG_RD(bp, prty_tbl[i].offset);
2352                 if (val & ~(prty_tbl[i].hw_mask[index])) {
2353                         DP(BNX2X_MSG_ETHTOOL,
2354                            "%s is 0x%x\n", prty_tbl[i].name, val);
2355                         goto test_mem_exit;
2356                 }
2357         }
2358
2359         rc = 0;
2360
2361 test_mem_exit:
2362         return rc;
2363 }
2364
2365 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
2366 {
2367         int cnt = 1400;
2368
2369         if (link_up) {
2370                 while (bnx2x_link_test(bp, is_serdes) && cnt--)
2371                         msleep(20);
2372
2373                 if (cnt <= 0 && bnx2x_link_test(bp, is_serdes))
2374                         DP(BNX2X_MSG_ETHTOOL, "Timeout waiting for link up\n");
2375
2376                 cnt = 1400;
2377                 while (!bp->link_vars.link_up && cnt--)
2378                         msleep(20);
2379
2380                 if (cnt <= 0 && !bp->link_vars.link_up)
2381                         DP(BNX2X_MSG_ETHTOOL,
2382                            "Timeout waiting for link init\n");
2383         }
2384 }
2385
2386 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode)
2387 {
2388         unsigned int pkt_size, num_pkts, i;
2389         struct sk_buff *skb;
2390         unsigned char *packet;
2391         struct bnx2x_fastpath *fp_rx = &bp->fp[0];
2392         struct bnx2x_fastpath *fp_tx = &bp->fp[0];
2393         struct bnx2x_fp_txdata *txdata = fp_tx->txdata_ptr[0];
2394         u16 tx_start_idx, tx_idx;
2395         u16 rx_start_idx, rx_idx;
2396         u16 pkt_prod, bd_prod;
2397         struct sw_tx_bd *tx_buf;
2398         struct eth_tx_start_bd *tx_start_bd;
2399         dma_addr_t mapping;
2400         union eth_rx_cqe *cqe;
2401         u8 cqe_fp_flags, cqe_fp_type;
2402         struct sw_rx_bd *rx_buf;
2403         u16 len;
2404         int rc = -ENODEV;
2405         u8 *data;
2406         struct netdev_queue *txq = netdev_get_tx_queue(bp->dev,
2407                                                        txdata->txq_index);
2408
2409         /* check the loopback mode */
2410         switch (loopback_mode) {
2411         case BNX2X_PHY_LOOPBACK:
2412                 if (bp->link_params.loopback_mode != LOOPBACK_XGXS) {
2413                         DP(BNX2X_MSG_ETHTOOL, "PHY loopback not supported\n");
2414                         return -EINVAL;
2415                 }
2416                 break;
2417         case BNX2X_MAC_LOOPBACK:
2418                 if (CHIP_IS_E3(bp)) {
2419                         int cfg_idx = bnx2x_get_link_cfg_idx(bp);
2420                         if (bp->port.supported[cfg_idx] &
2421                             (SUPPORTED_10000baseT_Full |
2422                              SUPPORTED_20000baseMLD2_Full |
2423                              SUPPORTED_20000baseKR2_Full))
2424                                 bp->link_params.loopback_mode = LOOPBACK_XMAC;
2425                         else
2426                                 bp->link_params.loopback_mode = LOOPBACK_UMAC;
2427                 } else
2428                         bp->link_params.loopback_mode = LOOPBACK_BMAC;
2429
2430                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
2431                 break;
2432         case BNX2X_EXT_LOOPBACK:
2433                 if (bp->link_params.loopback_mode != LOOPBACK_EXT) {
2434                         DP(BNX2X_MSG_ETHTOOL,
2435                            "Can't configure external loopback\n");
2436                         return -EINVAL;
2437                 }
2438                 break;
2439         default:
2440                 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
2441                 return -EINVAL;
2442         }
2443
2444         /* prepare the loopback packet */
2445         pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
2446                      bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
2447         skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size);
2448         if (!skb) {
2449                 DP(BNX2X_MSG_ETHTOOL, "Can't allocate skb\n");
2450                 rc = -ENOMEM;
2451                 goto test_loopback_exit;
2452         }
2453         packet = skb_put(skb, pkt_size);
2454         memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
2455         eth_zero_addr(packet + ETH_ALEN);
2456         memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
2457         for (i = ETH_HLEN; i < pkt_size; i++)
2458                 packet[i] = (unsigned char) (i & 0xff);
2459         mapping = dma_map_single(&bp->pdev->dev, skb->data,
2460                                  skb_headlen(skb), DMA_TO_DEVICE);
2461         if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
2462                 rc = -ENOMEM;
2463                 dev_kfree_skb(skb);
2464                 DP(BNX2X_MSG_ETHTOOL, "Unable to map SKB\n");
2465                 goto test_loopback_exit;
2466         }
2467
2468         /* send the loopback packet */
2469         num_pkts = 0;
2470         tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb);
2471         rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
2472
2473         netdev_tx_sent_queue(txq, skb->len);
2474
2475         pkt_prod = txdata->tx_pkt_prod++;
2476         tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)];
2477         tx_buf->first_bd = txdata->tx_bd_prod;
2478         tx_buf->skb = skb;
2479         tx_buf->flags = 0;
2480
2481         bd_prod = TX_BD(txdata->tx_bd_prod);
2482         tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd;
2483         tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
2484         tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
2485         tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
2486         tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
2487         tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
2488         tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
2489         SET_FLAG(tx_start_bd->general_data,
2490                  ETH_TX_START_BD_HDR_NBDS,
2491                  1);
2492         SET_FLAG(tx_start_bd->general_data,
2493                  ETH_TX_START_BD_PARSE_NBDS,
2494                  0);
2495
2496         /* turn on parsing and get a BD */
2497         bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
2498
2499         if (CHIP_IS_E1x(bp)) {
2500                 u16 global_data = 0;
2501                 struct eth_tx_parse_bd_e1x  *pbd_e1x =
2502                         &txdata->tx_desc_ring[bd_prod].parse_bd_e1x;
2503                 memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
2504                 SET_FLAG(global_data,
2505                          ETH_TX_PARSE_BD_E1X_ETH_ADDR_TYPE, UNICAST_ADDRESS);
2506                 pbd_e1x->global_data = cpu_to_le16(global_data);
2507         } else {
2508                 u32 parsing_data = 0;
2509                 struct eth_tx_parse_bd_e2  *pbd_e2 =
2510                         &txdata->tx_desc_ring[bd_prod].parse_bd_e2;
2511                 memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
2512                 SET_FLAG(parsing_data,
2513                          ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE, UNICAST_ADDRESS);
2514                 pbd_e2->parsing_data = cpu_to_le32(parsing_data);
2515         }
2516         wmb();
2517
2518         txdata->tx_db.data.prod += 2;
2519         barrier();
2520         DOORBELL(bp, txdata->cid, txdata->tx_db.raw);
2521
2522         mmiowb();
2523         barrier();
2524
2525         num_pkts++;
2526         txdata->tx_bd_prod += 2; /* start + pbd */
2527
2528         udelay(100);
2529
2530         tx_idx = le16_to_cpu(*txdata->tx_cons_sb);
2531         if (tx_idx != tx_start_idx + num_pkts)
2532                 goto test_loopback_exit;
2533
2534         /* Unlike HC IGU won't generate an interrupt for status block
2535          * updates that have been performed while interrupts were
2536          * disabled.
2537          */
2538         if (bp->common.int_block == INT_BLOCK_IGU) {
2539                 /* Disable local BHes to prevent a dead-lock situation between
2540                  * sch_direct_xmit() and bnx2x_run_loopback() (calling
2541                  * bnx2x_tx_int()), as both are taking netif_tx_lock().
2542                  */
2543                 local_bh_disable();
2544                 bnx2x_tx_int(bp, txdata);
2545                 local_bh_enable();
2546         }
2547
2548         rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
2549         if (rx_idx != rx_start_idx + num_pkts)
2550                 goto test_loopback_exit;
2551
2552         cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
2553         cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
2554         cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE;
2555         if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
2556                 goto test_loopback_rx_exit;
2557
2558         len = le16_to_cpu(cqe->fast_path_cqe.pkt_len_or_gro_seg_len);
2559         if (len != pkt_size)
2560                 goto test_loopback_rx_exit;
2561
2562         rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
2563         dma_sync_single_for_cpu(&bp->pdev->dev,
2564                                    dma_unmap_addr(rx_buf, mapping),
2565                                    fp_rx->rx_buf_size, DMA_FROM_DEVICE);
2566         data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset;
2567         for (i = ETH_HLEN; i < pkt_size; i++)
2568                 if (*(data + i) != (unsigned char) (i & 0xff))
2569                         goto test_loopback_rx_exit;
2570
2571         rc = 0;
2572
2573 test_loopback_rx_exit:
2574
2575         fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
2576         fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
2577         fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
2578         fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);
2579
2580         /* Update producers */
2581         bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
2582                              fp_rx->rx_sge_prod);
2583
2584 test_loopback_exit:
2585         bp->link_params.loopback_mode = LOOPBACK_NONE;
2586
2587         return rc;
2588 }
2589
2590 static int bnx2x_test_loopback(struct bnx2x *bp)
2591 {
2592         int rc = 0, res;
2593
2594         if (BP_NOMCP(bp))
2595                 return rc;
2596
2597         if (!netif_running(bp->dev))
2598                 return BNX2X_LOOPBACK_FAILED;
2599
2600         bnx2x_netif_stop(bp, 1);
2601         bnx2x_acquire_phy_lock(bp);
2602
2603         res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK);
2604         if (res) {
2605                 DP(BNX2X_MSG_ETHTOOL, "  PHY loopback failed  (res %d)\n", res);
2606                 rc |= BNX2X_PHY_LOOPBACK_FAILED;
2607         }
2608
2609         res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK);
2610         if (res) {
2611                 DP(BNX2X_MSG_ETHTOOL, "  MAC loopback failed  (res %d)\n", res);
2612                 rc |= BNX2X_MAC_LOOPBACK_FAILED;
2613         }
2614
2615         bnx2x_release_phy_lock(bp);
2616         bnx2x_netif_start(bp);
2617
2618         return rc;
2619 }
2620
2621 static int bnx2x_test_ext_loopback(struct bnx2x *bp)
2622 {
2623         int rc;
2624         u8 is_serdes =
2625                 (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
2626
2627         if (BP_NOMCP(bp))
2628                 return -ENODEV;
2629
2630         if (!netif_running(bp->dev))
2631                 return BNX2X_EXT_LOOPBACK_FAILED;
2632
2633         bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
2634         rc = bnx2x_nic_load(bp, LOAD_LOOPBACK_EXT);
2635         if (rc) {
2636                 DP(BNX2X_MSG_ETHTOOL,
2637                    "Can't perform self-test, nic_load (for external lb) failed\n");
2638                 return -ENODEV;
2639         }
2640         bnx2x_wait_for_link(bp, 1, is_serdes);
2641
2642         bnx2x_netif_stop(bp, 1);
2643
2644         rc = bnx2x_run_loopback(bp, BNX2X_EXT_LOOPBACK);
2645         if (rc)
2646                 DP(BNX2X_MSG_ETHTOOL, "EXT loopback failed  (res %d)\n", rc);
2647
2648         bnx2x_netif_start(bp);
2649
2650         return rc;
2651 }
2652
2653 struct code_entry {
2654         u32 sram_start_addr;
2655         u32 code_attribute;
2656 #define CODE_IMAGE_TYPE_MASK                    0xf0800003
2657 #define CODE_IMAGE_VNTAG_PROFILES_DATA          0xd0000003
2658 #define CODE_IMAGE_LENGTH_MASK                  0x007ffffc
2659 #define CODE_IMAGE_TYPE_EXTENDED_DIR            0xe0000000
2660         u32 nvm_start_addr;
2661 };
2662
2663 #define CODE_ENTRY_MAX                  16
2664 #define CODE_ENTRY_EXTENDED_DIR_IDX     15
2665 #define MAX_IMAGES_IN_EXTENDED_DIR      64
2666 #define NVRAM_DIR_OFFSET                0x14
2667
2668 #define EXTENDED_DIR_EXISTS(code)                                         \
2669         ((code & CODE_IMAGE_TYPE_MASK) == CODE_IMAGE_TYPE_EXTENDED_DIR && \
2670          (code & CODE_IMAGE_LENGTH_MASK) != 0)
2671
2672 #define CRC32_RESIDUAL                  0xdebb20e3
2673 #define CRC_BUFF_SIZE                   256
2674
2675 static int bnx2x_nvram_crc(struct bnx2x *bp,
2676                            int offset,
2677                            int size,
2678                            u8 *buff)
2679 {
2680         u32 crc = ~0;
2681         int rc = 0, done = 0;
2682
2683         DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2684            "NVRAM CRC from 0x%08x to 0x%08x\n", offset, offset + size);
2685
2686         while (done < size) {
2687                 int count = min_t(int, size - done, CRC_BUFF_SIZE);
2688
2689                 rc = bnx2x_nvram_read(bp, offset + done, buff, count);
2690
2691                 if (rc)
2692                         return rc;
2693
2694                 crc = crc32_le(crc, buff, count);
2695                 done += count;
2696         }
2697
2698         if (crc != CRC32_RESIDUAL)
2699                 rc = -EINVAL;
2700
2701         return rc;
2702 }
2703
2704 static int bnx2x_test_nvram_dir(struct bnx2x *bp,
2705                                 struct code_entry *entry,
2706                                 u8 *buff)
2707 {
2708         size_t size = entry->code_attribute & CODE_IMAGE_LENGTH_MASK;
2709         u32 type = entry->code_attribute & CODE_IMAGE_TYPE_MASK;
2710         int rc;
2711
2712         /* Zero-length images and AFEX profiles do not have CRC */
2713         if (size == 0 || type == CODE_IMAGE_VNTAG_PROFILES_DATA)
2714                 return 0;
2715
2716         rc = bnx2x_nvram_crc(bp, entry->nvm_start_addr, size, buff);
2717         if (rc)
2718                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2719                    "image %x has failed crc test (rc %d)\n", type, rc);
2720
2721         return rc;
2722 }
2723
2724 static int bnx2x_test_dir_entry(struct bnx2x *bp, u32 addr, u8 *buff)
2725 {
2726         int rc;
2727         struct code_entry entry;
2728
2729         rc = bnx2x_nvram_read32(bp, addr, (u32 *)&entry, sizeof(entry));
2730         if (rc)
2731                 return rc;
2732
2733         return bnx2x_test_nvram_dir(bp, &entry, buff);
2734 }
2735
2736 static int bnx2x_test_nvram_ext_dirs(struct bnx2x *bp, u8 *buff)
2737 {
2738         u32 rc, cnt, dir_offset = NVRAM_DIR_OFFSET;
2739         struct code_entry entry;
2740         int i;
2741
2742         rc = bnx2x_nvram_read32(bp,
2743                                 dir_offset +
2744                                 sizeof(entry) * CODE_ENTRY_EXTENDED_DIR_IDX,
2745                                 (u32 *)&entry, sizeof(entry));
2746         if (rc)
2747                 return rc;
2748
2749         if (!EXTENDED_DIR_EXISTS(entry.code_attribute))
2750                 return 0;
2751
2752         rc = bnx2x_nvram_read32(bp, entry.nvm_start_addr,
2753                                 &cnt, sizeof(u32));
2754         if (rc)
2755                 return rc;
2756
2757         dir_offset = entry.nvm_start_addr + 8;
2758
2759         for (i = 0; i < cnt && i < MAX_IMAGES_IN_EXTENDED_DIR; i++) {
2760                 rc = bnx2x_test_dir_entry(bp, dir_offset +
2761                                               sizeof(struct code_entry) * i,
2762                                           buff);
2763                 if (rc)
2764                         return rc;
2765         }
2766
2767         return 0;
2768 }
2769
2770 static int bnx2x_test_nvram_dirs(struct bnx2x *bp, u8 *buff)
2771 {
2772         u32 rc, dir_offset = NVRAM_DIR_OFFSET;
2773         int i;
2774
2775         DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "NVRAM DIRS CRC test-set\n");
2776
2777         for (i = 0; i < CODE_ENTRY_EXTENDED_DIR_IDX; i++) {
2778                 rc = bnx2x_test_dir_entry(bp, dir_offset +
2779                                               sizeof(struct code_entry) * i,
2780                                           buff);
2781                 if (rc)
2782                         return rc;
2783         }
2784
2785         return bnx2x_test_nvram_ext_dirs(bp, buff);
2786 }
2787
2788 struct crc_pair {
2789         int offset;
2790         int size;
2791 };
2792
2793 static int bnx2x_test_nvram_tbl(struct bnx2x *bp,
2794                                 const struct crc_pair *nvram_tbl, u8 *buf)
2795 {
2796         int i;
2797
2798         for (i = 0; nvram_tbl[i].size; i++) {
2799                 int rc = bnx2x_nvram_crc(bp, nvram_tbl[i].offset,
2800                                          nvram_tbl[i].size, buf);
2801                 if (rc) {
2802                         DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2803                            "nvram_tbl[%d] has failed crc test (rc %d)\n",
2804                            i, rc);
2805                         return rc;
2806                 }
2807         }
2808
2809         return 0;
2810 }
2811
2812 static int bnx2x_test_nvram(struct bnx2x *bp)
2813 {
2814         const struct crc_pair nvram_tbl[] = {
2815                 {     0,  0x14 }, /* bootstrap */
2816                 {  0x14,  0xec }, /* dir */
2817                 { 0x100, 0x350 }, /* manuf_info */
2818                 { 0x450,  0xf0 }, /* feature_info */
2819                 { 0x640,  0x64 }, /* upgrade_key_info */
2820                 { 0x708,  0x70 }, /* manuf_key_info */
2821                 {     0,     0 }
2822         };
2823         const struct crc_pair nvram_tbl2[] = {
2824                 { 0x7e8, 0x350 }, /* manuf_info2 */
2825                 { 0xb38,  0xf0 }, /* feature_info */
2826                 {     0,     0 }
2827         };
2828
2829         u8 *buf;
2830         int rc;
2831         u32 magic;
2832
2833         if (BP_NOMCP(bp))
2834                 return 0;
2835
2836         buf = kmalloc(CRC_BUFF_SIZE, GFP_KERNEL);
2837         if (!buf) {
2838                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "kmalloc failed\n");
2839                 rc = -ENOMEM;
2840                 goto test_nvram_exit;
2841         }
2842
2843         rc = bnx2x_nvram_read32(bp, 0, &magic, sizeof(magic));
2844         if (rc) {
2845                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2846                    "magic value read (rc %d)\n", rc);
2847                 goto test_nvram_exit;
2848         }
2849
2850         if (magic != 0x669955aa) {
2851                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2852                    "wrong magic value (0x%08x)\n", magic);
2853                 rc = -ENODEV;
2854                 goto test_nvram_exit;
2855         }
2856
2857         DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "Port 0 CRC test-set\n");
2858         rc = bnx2x_test_nvram_tbl(bp, nvram_tbl, buf);
2859         if (rc)
2860                 goto test_nvram_exit;
2861
2862         if (!CHIP_IS_E1x(bp) && !CHIP_IS_57811xx(bp)) {
2863                 u32 hide = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
2864                            SHARED_HW_CFG_HIDE_PORT1;
2865
2866                 if (!hide) {
2867                         DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2868                            "Port 1 CRC test-set\n");
2869                         rc = bnx2x_test_nvram_tbl(bp, nvram_tbl2, buf);
2870                         if (rc)
2871                                 goto test_nvram_exit;
2872                 }
2873         }
2874
2875         rc = bnx2x_test_nvram_dirs(bp, buf);
2876
2877 test_nvram_exit:
2878         kfree(buf);
2879         return rc;
2880 }
2881
2882 /* Send an EMPTY ramrod on the first queue */
2883 static int bnx2x_test_intr(struct bnx2x *bp)
2884 {
2885         struct bnx2x_queue_state_params params = {NULL};
2886
2887         if (!netif_running(bp->dev)) {
2888                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2889                    "cannot access eeprom when the interface is down\n");
2890                 return -ENODEV;
2891         }
2892
2893         params.q_obj = &bp->sp_objs->q_obj;
2894         params.cmd = BNX2X_Q_CMD_EMPTY;
2895
2896         __set_bit(RAMROD_COMP_WAIT, &params.ramrod_flags);
2897
2898         return bnx2x_queue_state_change(bp, &params);
2899 }
2900
2901 static void bnx2x_self_test(struct net_device *dev,
2902                             struct ethtool_test *etest, u64 *buf)
2903 {
2904         struct bnx2x *bp = netdev_priv(dev);
2905         u8 is_serdes, link_up;
2906         int rc, cnt = 0;
2907
2908         if (pci_num_vf(bp->pdev)) {
2909                 DP(BNX2X_MSG_IOV,
2910                    "VFs are enabled, can not perform self test\n");
2911                 return;
2912         }
2913
2914         if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
2915                 netdev_err(bp->dev,
2916                            "Handling parity error recovery. Try again later\n");
2917                 etest->flags |= ETH_TEST_FL_FAILED;
2918                 return;
2919         }
2920
2921         DP(BNX2X_MSG_ETHTOOL,
2922            "Self-test command parameters: offline = %d, external_lb = %d\n",
2923            (etest->flags & ETH_TEST_FL_OFFLINE),
2924            (etest->flags & ETH_TEST_FL_EXTERNAL_LB)>>2);
2925
2926         memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS(bp));
2927
2928         if (bnx2x_test_nvram(bp) != 0) {
2929                 if (!IS_MF(bp))
2930                         buf[4] = 1;
2931                 else
2932                         buf[0] = 1;
2933                 etest->flags |= ETH_TEST_FL_FAILED;
2934         }
2935
2936         if (!netif_running(dev)) {
2937                 DP(BNX2X_MSG_ETHTOOL, "Interface is down\n");
2938                 return;
2939         }
2940
2941         is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
2942         link_up = bp->link_vars.link_up;
2943         /* offline tests are not supported in MF mode */
2944         if ((etest->flags & ETH_TEST_FL_OFFLINE) && !IS_MF(bp)) {
2945                 int port = BP_PORT(bp);
2946                 u32 val;
2947
2948                 /* save current value of input enable for TX port IF */
2949                 val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
2950                 /* disable input for TX port IF */
2951                 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
2952
2953                 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
2954                 rc = bnx2x_nic_load(bp, LOAD_DIAG);
2955                 if (rc) {
2956                         etest->flags |= ETH_TEST_FL_FAILED;
2957                         DP(BNX2X_MSG_ETHTOOL,
2958                            "Can't perform self-test, nic_load (for offline) failed\n");
2959                         return;
2960                 }
2961
2962                 /* wait until link state is restored */
2963                 bnx2x_wait_for_link(bp, 1, is_serdes);
2964
2965                 if (bnx2x_test_registers(bp) != 0) {
2966                         buf[0] = 1;
2967                         etest->flags |= ETH_TEST_FL_FAILED;
2968                 }
2969                 if (bnx2x_test_memory(bp) != 0) {
2970                         buf[1] = 1;
2971                         etest->flags |= ETH_TEST_FL_FAILED;
2972                 }
2973
2974                 buf[2] = bnx2x_test_loopback(bp); /* internal LB */
2975                 if (buf[2] != 0)
2976                         etest->flags |= ETH_TEST_FL_FAILED;
2977
2978                 if (etest->flags & ETH_TEST_FL_EXTERNAL_LB) {
2979                         buf[3] = bnx2x_test_ext_loopback(bp); /* external LB */
2980                         if (buf[3] != 0)
2981                                 etest->flags |= ETH_TEST_FL_FAILED;
2982                         etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
2983                 }
2984
2985                 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
2986
2987                 /* restore input for TX port IF */
2988                 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
2989                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
2990                 if (rc) {
2991                         etest->flags |= ETH_TEST_FL_FAILED;
2992                         DP(BNX2X_MSG_ETHTOOL,
2993                            "Can't perform self-test, nic_load (for online) failed\n");
2994                         return;
2995                 }
2996                 /* wait until link state is restored */
2997                 bnx2x_wait_for_link(bp, link_up, is_serdes);
2998         }
2999
3000         if (bnx2x_test_intr(bp) != 0) {
3001                 if (!IS_MF(bp))
3002                         buf[5] = 1;
3003                 else
3004                         buf[1] = 1;
3005                 etest->flags |= ETH_TEST_FL_FAILED;
3006         }
3007
3008         if (link_up) {
3009                 cnt = 100;
3010                 while (bnx2x_link_test(bp, is_serdes) && --cnt)
3011                         msleep(20);
3012         }
3013
3014         if (!cnt) {
3015                 if (!IS_MF(bp))
3016                         buf[6] = 1;
3017                 else
3018                         buf[2] = 1;
3019                 etest->flags |= ETH_TEST_FL_FAILED;
3020         }
3021 }
3022
3023 #define IS_PORT_STAT(i) \
3024         ((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT)
3025 #define IS_FUNC_STAT(i)         (bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC)
3026 #define HIDE_PORT_STAT(bp) \
3027                 ((IS_MF(bp) && !(bp->msg_enable & BNX2X_MSG_STATS)) || \
3028                  IS_VF(bp))
3029
3030 /* ethtool statistics are displayed for all regular ethernet queues and the
3031  * fcoe L2 queue if not disabled
3032  */
3033 static int bnx2x_num_stat_queues(struct bnx2x *bp)
3034 {
3035         return BNX2X_NUM_ETH_QUEUES(bp);
3036 }
3037
3038 static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
3039 {
3040         struct bnx2x *bp = netdev_priv(dev);
3041         int i, num_strings = 0;
3042
3043         switch (stringset) {
3044         case ETH_SS_STATS:
3045                 if (is_multi(bp)) {
3046                         num_strings = bnx2x_num_stat_queues(bp) *
3047                                       BNX2X_NUM_Q_STATS;
3048                 } else
3049                         num_strings = 0;
3050                 if (HIDE_PORT_STAT(bp)) {
3051                         for (i = 0; i < BNX2X_NUM_STATS; i++)
3052                                 if (IS_FUNC_STAT(i))
3053                                         num_strings++;
3054                 } else
3055                         num_strings += BNX2X_NUM_STATS;
3056
3057                 return num_strings;
3058
3059         case ETH_SS_TEST:
3060                 return BNX2X_NUM_TESTS(bp);
3061
3062         case ETH_SS_PRIV_FLAGS:
3063                 return BNX2X_PRI_FLAG_LEN;
3064
3065         default:
3066                 return -EINVAL;
3067         }
3068 }
3069
3070 static u32 bnx2x_get_private_flags(struct net_device *dev)
3071 {
3072         struct bnx2x *bp = netdev_priv(dev);
3073         u32 flags = 0;
3074
3075         flags |= (!(bp->flags & NO_ISCSI_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_ISCSI;
3076         flags |= (!(bp->flags & NO_FCOE_FLAG)  ? 1 : 0) << BNX2X_PRI_FLAG_FCOE;
3077         flags |= (!!IS_MF_STORAGE_ONLY(bp)) << BNX2X_PRI_FLAG_STORAGE;
3078
3079         return flags;
3080 }
3081
3082 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
3083 {
3084         struct bnx2x *bp = netdev_priv(dev);
3085         int i, j, k, start;
3086         char queue_name[MAX_QUEUE_NAME_LEN+1];
3087
3088         switch (stringset) {
3089         case ETH_SS_STATS:
3090                 k = 0;
3091                 if (is_multi(bp)) {
3092                         for_each_eth_queue(bp, i) {
3093                                 memset(queue_name, 0, sizeof(queue_name));
3094                                 sprintf(queue_name, "%d", i);
3095                                 for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
3096                                         snprintf(buf + (k + j)*ETH_GSTRING_LEN,
3097                                                 ETH_GSTRING_LEN,
3098                                                 bnx2x_q_stats_arr[j].string,
3099                                                 queue_name);
3100                                 k += BNX2X_NUM_Q_STATS;
3101                         }
3102                 }
3103
3104                 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
3105                         if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i))
3106                                 continue;
3107                         strcpy(buf + (k + j)*ETH_GSTRING_LEN,
3108                                    bnx2x_stats_arr[i].string);
3109                         j++;
3110                 }
3111
3112                 break;
3113
3114         case ETH_SS_TEST:
3115                 /* First 4 tests cannot be done in MF mode */
3116                 if (!IS_MF(bp))
3117                         start = 0;
3118                 else
3119                         start = 4;
3120                 memcpy(buf, bnx2x_tests_str_arr + start,
3121                        ETH_GSTRING_LEN * BNX2X_NUM_TESTS(bp));
3122                 break;
3123
3124         case ETH_SS_PRIV_FLAGS:
3125                 memcpy(buf, bnx2x_private_arr,
3126                        ETH_GSTRING_LEN * BNX2X_PRI_FLAG_LEN);
3127                 break;
3128         }
3129 }
3130
3131 static void bnx2x_get_ethtool_stats(struct net_device *dev,
3132                                     struct ethtool_stats *stats, u64 *buf)
3133 {
3134         struct bnx2x *bp = netdev_priv(dev);
3135         u32 *hw_stats, *offset;
3136         int i, j, k = 0;
3137
3138         if (is_multi(bp)) {
3139                 for_each_eth_queue(bp, i) {
3140                         hw_stats = (u32 *)&bp->fp_stats[i].eth_q_stats;
3141                         for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
3142                                 if (bnx2x_q_stats_arr[j].size == 0) {
3143                                         /* skip this counter */
3144                                         buf[k + j] = 0;
3145                                         continue;
3146                                 }
3147                                 offset = (hw_stats +
3148                                           bnx2x_q_stats_arr[j].offset);
3149                                 if (bnx2x_q_stats_arr[j].size == 4) {
3150                                         /* 4-byte counter */
3151                                         buf[k + j] = (u64) *offset;
3152                                         continue;
3153                                 }
3154                                 /* 8-byte counter */
3155                                 buf[k + j] = HILO_U64(*offset, *(offset + 1));
3156                         }
3157                         k += BNX2X_NUM_Q_STATS;
3158                 }
3159         }
3160
3161         hw_stats = (u32 *)&bp->eth_stats;
3162         for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
3163                 if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i))
3164                         continue;
3165                 if (bnx2x_stats_arr[i].size == 0) {
3166                         /* skip this counter */
3167                         buf[k + j] = 0;
3168                         j++;
3169                         continue;
3170                 }
3171                 offset = (hw_stats + bnx2x_stats_arr[i].offset);
3172                 if (bnx2x_stats_arr[i].size == 4) {
3173                         /* 4-byte counter */
3174                         buf[k + j] = (u64) *offset;
3175                         j++;
3176                         continue;
3177                 }
3178                 /* 8-byte counter */
3179                 buf[k + j] = HILO_U64(*offset, *(offset + 1));
3180                 j++;
3181         }
3182 }
3183
3184 static int bnx2x_set_phys_id(struct net_device *dev,
3185                              enum ethtool_phys_id_state state)
3186 {
3187         struct bnx2x *bp = netdev_priv(dev);
3188
3189         if (!bnx2x_is_nvm_accessible(bp)) {
3190                 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
3191                    "cannot access eeprom when the interface is down\n");
3192                 return -EAGAIN;
3193         }
3194
3195         switch (state) {
3196         case ETHTOOL_ID_ACTIVE:
3197                 return 1;       /* cycle on/off once per second */
3198
3199         case ETHTOOL_ID_ON:
3200                 bnx2x_acquire_phy_lock(bp);
3201                 bnx2x_set_led(&bp->link_params, &bp->link_vars,
3202                               LED_MODE_ON, SPEED_1000);
3203                 bnx2x_release_phy_lock(bp);
3204                 break;
3205
3206         case ETHTOOL_ID_OFF:
3207                 bnx2x_acquire_phy_lock(bp);
3208                 bnx2x_set_led(&bp->link_params, &bp->link_vars,
3209                               LED_MODE_FRONT_PANEL_OFF, 0);
3210                 bnx2x_release_phy_lock(bp);
3211                 break;
3212
3213         case ETHTOOL_ID_INACTIVE:
3214                 bnx2x_acquire_phy_lock(bp);
3215                 bnx2x_set_led(&bp->link_params, &bp->link_vars,
3216                               LED_MODE_OPER,
3217                               bp->link_vars.line_speed);
3218                 bnx2x_release_phy_lock(bp);
3219         }
3220
3221         return 0;
3222 }
3223
3224 static int bnx2x_get_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
3225 {
3226         switch (info->flow_type) {
3227         case TCP_V4_FLOW:
3228         case TCP_V6_FLOW:
3229                 info->data = RXH_IP_SRC | RXH_IP_DST |
3230                              RXH_L4_B_0_1 | RXH_L4_B_2_3;
3231                 break;
3232         case UDP_V4_FLOW:
3233                 if (bp->rss_conf_obj.udp_rss_v4)
3234                         info->data = RXH_IP_SRC | RXH_IP_DST |
3235                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
3236                 else
3237                         info->data = RXH_IP_SRC | RXH_IP_DST;
3238                 break;
3239         case UDP_V6_FLOW:
3240                 if (bp->rss_conf_obj.udp_rss_v6)
3241                         info->data = RXH_IP_SRC | RXH_IP_DST |
3242                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
3243                 else
3244                         info->data = RXH_IP_SRC | RXH_IP_DST;
3245                 break;
3246         case IPV4_FLOW:
3247         case IPV6_FLOW:
3248                 info->data = RXH_IP_SRC | RXH_IP_DST;
3249                 break;
3250         default:
3251                 info->data = 0;
3252                 break;
3253         }
3254
3255         return 0;
3256 }
3257
3258 static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
3259                            u32 *rules __always_unused)
3260 {
3261         struct bnx2x *bp = netdev_priv(dev);
3262
3263         switch (info->cmd) {
3264         case ETHTOOL_GRXRINGS:
3265                 info->data = BNX2X_NUM_ETH_QUEUES(bp);
3266                 return 0;
3267         case ETHTOOL_GRXFH:
3268                 return bnx2x_get_rss_flags(bp, info);
3269         default:
3270                 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
3271                 return -EOPNOTSUPP;
3272         }
3273 }
3274
3275 static int bnx2x_set_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
3276 {
3277         int udp_rss_requested;
3278
3279         DP(BNX2X_MSG_ETHTOOL,
3280            "Set rss flags command parameters: flow type = %d, data = %llu\n",
3281            info->flow_type, info->data);
3282
3283         switch (info->flow_type) {
3284         case TCP_V4_FLOW:
3285         case TCP_V6_FLOW:
3286                 /* For TCP only 4-tupple hash is supported */
3287                 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST |
3288                                   RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
3289                         DP(BNX2X_MSG_ETHTOOL,
3290                            "Command parameters not supported\n");
3291                         return -EINVAL;
3292                 }
3293                 return 0;
3294
3295         case UDP_V4_FLOW:
3296         case UDP_V6_FLOW:
3297                 /* For UDP either 2-tupple hash or 4-tupple hash is supported */
3298                 if (info->data == (RXH_IP_SRC | RXH_IP_DST |
3299                                    RXH_L4_B_0_1 | RXH_L4_B_2_3))
3300                         udp_rss_requested = 1;
3301                 else if (info->data == (RXH_IP_SRC | RXH_IP_DST))
3302                         udp_rss_requested = 0;
3303                 else
3304                         return -EINVAL;
3305                 if ((info->flow_type == UDP_V4_FLOW) &&
3306                     (bp->rss_conf_obj.udp_rss_v4 != udp_rss_requested)) {
3307                         bp->rss_conf_obj.udp_rss_v4 = udp_rss_requested;
3308                         DP(BNX2X_MSG_ETHTOOL,
3309                            "rss re-configured, UDP 4-tupple %s\n",
3310                            udp_rss_requested ? "enabled" : "disabled");
3311                         return bnx2x_rss(bp, &bp->rss_conf_obj, false, true);
3312                 } else if ((info->flow_type == UDP_V6_FLOW) &&
3313                            (bp->rss_conf_obj.udp_rss_v6 != udp_rss_requested)) {
3314                         bp->rss_conf_obj.udp_rss_v6 = udp_rss_requested;
3315                         DP(BNX2X_MSG_ETHTOOL,
3316                            "rss re-configured, UDP 4-tupple %s\n",
3317                            udp_rss_requested ? "enabled" : "disabled");
3318                         return bnx2x_rss(bp, &bp->rss_conf_obj, false, true);
3319                 }
3320                 return 0;
3321
3322         case IPV4_FLOW:
3323         case IPV6_FLOW:
3324                 /* For IP only 2-tupple hash is supported */
3325                 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) {
3326                         DP(BNX2X_MSG_ETHTOOL,
3327                            "Command parameters not supported\n");
3328                         return -EINVAL;
3329                 }
3330                 return 0;
3331
3332         case SCTP_V4_FLOW:
3333         case AH_ESP_V4_FLOW:
3334         case AH_V4_FLOW:
3335         case ESP_V4_FLOW:
3336         case SCTP_V6_FLOW:
3337         case AH_ESP_V6_FLOW:
3338         case AH_V6_FLOW:
3339         case ESP_V6_FLOW:
3340         case IP_USER_FLOW:
3341         case ETHER_FLOW:
3342                 /* RSS is not supported for these protocols */
3343                 if (info->data) {
3344                         DP(BNX2X_MSG_ETHTOOL,
3345                            "Command parameters not supported\n");
3346                         return -EINVAL;
3347                 }
3348                 return 0;
3349
3350         default:
3351                 return -EINVAL;
3352         }
3353 }
3354
3355 static int bnx2x_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info)
3356 {
3357         struct bnx2x *bp = netdev_priv(dev);
3358
3359         switch (info->cmd) {
3360         case ETHTOOL_SRXFH:
3361                 return bnx2x_set_rss_flags(bp, info);
3362         default:
3363                 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
3364                 return -EOPNOTSUPP;
3365         }
3366 }
3367
3368 static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev)
3369 {
3370         return T_ETH_INDIRECTION_TABLE_SIZE;
3371 }
3372
3373 static int bnx2x_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
3374                           u8 *hfunc)
3375 {
3376         struct bnx2x *bp = netdev_priv(dev);
3377         u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
3378         size_t i;
3379
3380         if (hfunc)
3381                 *hfunc = ETH_RSS_HASH_TOP;
3382         if (!indir)
3383                 return 0;
3384
3385         /* Get the current configuration of the RSS indirection table */
3386         bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table);
3387
3388         /*
3389          * We can't use a memcpy() as an internal storage of an
3390          * indirection table is a u8 array while indir->ring_index
3391          * points to an array of u32.
3392          *
3393          * Indirection table contains the FW Client IDs, so we need to
3394          * align the returned table to the Client ID of the leading RSS
3395          * queue.
3396          */
3397         for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++)
3398                 indir[i] = ind_table[i] - bp->fp->cl_id;
3399
3400         return 0;
3401 }
3402
3403 static int bnx2x_set_rxfh(struct net_device *dev, const u32 *indir,
3404                           const u8 *key, const u8 hfunc)
3405 {
3406         struct bnx2x *bp = netdev_priv(dev);
3407         size_t i;
3408
3409         /* We require at least one supported parameter to be changed and no
3410          * change in any of the unsupported parameters
3411          */
3412         if (key ||
3413             (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
3414                 return -EOPNOTSUPP;
3415
3416         if (!indir)
3417                 return 0;
3418
3419         for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) {
3420                 /*
3421                  * The same as in bnx2x_get_rxfh: we can't use a memcpy()
3422                  * as an internal storage of an indirection table is a u8 array
3423                  * while indir->ring_index points to an array of u32.
3424                  *
3425                  * Indirection table contains the FW Client IDs, so we need to
3426                  * align the received table to the Client ID of the leading RSS
3427                  * queue
3428                  */
3429                 bp->rss_conf_obj.ind_table[i] = indir[i] + bp->fp->cl_id;
3430         }
3431
3432         return bnx2x_config_rss_eth(bp, false);
3433 }
3434
3435 /**
3436  * bnx2x_get_channels - gets the number of RSS queues.
3437  *
3438  * @dev:                net device
3439  * @channels:           returns the number of max / current queues
3440  */
3441 static void bnx2x_get_channels(struct net_device *dev,
3442                                struct ethtool_channels *channels)
3443 {
3444         struct bnx2x *bp = netdev_priv(dev);
3445
3446         channels->max_combined = BNX2X_MAX_RSS_COUNT(bp);
3447         channels->combined_count = BNX2X_NUM_ETH_QUEUES(bp);
3448 }
3449
3450 /**
3451  * bnx2x_change_num_queues - change the number of RSS queues.
3452  *
3453  * @bp:                 bnx2x private structure
3454  *
3455  * Re-configure interrupt mode to get the new number of MSI-X
3456  * vectors and re-add NAPI objects.
3457  */
3458 static void bnx2x_change_num_queues(struct bnx2x *bp, int num_rss)
3459 {
3460         bnx2x_disable_msi(bp);
3461         bp->num_ethernet_queues = num_rss;
3462         bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
3463         BNX2X_DEV_INFO("set number of queues to %d\n", bp->num_queues);
3464         bnx2x_set_int_mode(bp);
3465 }
3466
3467 /**
3468  * bnx2x_set_channels - sets the number of RSS queues.
3469  *
3470  * @dev:                net device
3471  * @channels:           includes the number of queues requested
3472  */
3473 static int bnx2x_set_channels(struct net_device *dev,
3474                               struct ethtool_channels *channels)
3475 {
3476         struct bnx2x *bp = netdev_priv(dev);
3477
3478         DP(BNX2X_MSG_ETHTOOL,
3479            "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n",
3480            channels->rx_count, channels->tx_count, channels->other_count,
3481            channels->combined_count);
3482
3483         if (pci_num_vf(bp->pdev)) {
3484                 DP(BNX2X_MSG_IOV, "VFs are enabled, can not set channels\n");
3485                 return -EPERM;
3486         }
3487
3488         /* We don't support separate rx / tx channels.
3489          * We don't allow setting 'other' channels.
3490          */
3491         if (channels->rx_count || channels->tx_count || channels->other_count
3492             || (channels->combined_count == 0) ||
3493             (channels->combined_count > BNX2X_MAX_RSS_COUNT(bp))) {
3494                 DP(BNX2X_MSG_ETHTOOL, "command parameters not supported\n");
3495                 return -EINVAL;
3496         }
3497
3498         /* Check if there was a change in the active parameters */
3499         if (channels->combined_count == BNX2X_NUM_ETH_QUEUES(bp)) {
3500                 DP(BNX2X_MSG_ETHTOOL, "No change in active parameters\n");
3501                 return 0;
3502         }
3503
3504         /* Set the requested number of queues in bp context.
3505          * Note that the actual number of queues created during load may be
3506          * less than requested if memory is low.
3507          */
3508         if (unlikely(!netif_running(dev))) {
3509                 bnx2x_change_num_queues(bp, channels->combined_count);
3510                 return 0;
3511         }
3512         bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
3513         bnx2x_change_num_queues(bp, channels->combined_count);
3514         return bnx2x_nic_load(bp, LOAD_NORMAL);
3515 }
3516
3517 static int bnx2x_get_ts_info(struct net_device *dev,
3518                              struct ethtool_ts_info *info)
3519 {
3520         struct bnx2x *bp = netdev_priv(dev);
3521
3522         if (bp->flags & PTP_SUPPORTED) {
3523                 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3524                                         SOF_TIMESTAMPING_RX_SOFTWARE |
3525                                         SOF_TIMESTAMPING_SOFTWARE |
3526                                         SOF_TIMESTAMPING_TX_HARDWARE |
3527                                         SOF_TIMESTAMPING_RX_HARDWARE |
3528                                         SOF_TIMESTAMPING_RAW_HARDWARE;
3529
3530                 if (bp->ptp_clock)
3531                         info->phc_index = ptp_clock_index(bp->ptp_clock);
3532                 else
3533                         info->phc_index = -1;
3534
3535                 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
3536                                    (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
3537                                    (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
3538                                    (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
3539                                    (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
3540                                    (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
3541                                    (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
3542                                    (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
3543                                    (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
3544                                    (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
3545                                    (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
3546                                    (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
3547                                    (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ);
3548
3549                 info->tx_types = (1 << HWTSTAMP_TX_OFF)|(1 << HWTSTAMP_TX_ON);
3550
3551                 return 0;
3552         }
3553
3554         return ethtool_op_get_ts_info(dev, info);
3555 }
3556
3557 static const struct ethtool_ops bnx2x_ethtool_ops = {
3558         .get_settings           = bnx2x_get_settings,
3559         .set_settings           = bnx2x_set_settings,
3560         .get_drvinfo            = bnx2x_get_drvinfo,
3561         .get_regs_len           = bnx2x_get_regs_len,
3562         .get_regs               = bnx2x_get_regs,
3563         .get_dump_flag          = bnx2x_get_dump_flag,
3564         .get_dump_data          = bnx2x_get_dump_data,
3565         .set_dump               = bnx2x_set_dump,
3566         .get_wol                = bnx2x_get_wol,
3567         .set_wol                = bnx2x_set_wol,
3568         .get_msglevel           = bnx2x_get_msglevel,
3569         .set_msglevel           = bnx2x_set_msglevel,
3570         .nway_reset             = bnx2x_nway_reset,
3571         .get_link               = bnx2x_get_link,
3572         .get_eeprom_len         = bnx2x_get_eeprom_len,
3573         .get_eeprom             = bnx2x_get_eeprom,
3574         .set_eeprom             = bnx2x_set_eeprom,
3575         .get_coalesce           = bnx2x_get_coalesce,
3576         .set_coalesce           = bnx2x_set_coalesce,
3577         .get_ringparam          = bnx2x_get_ringparam,
3578         .set_ringparam          = bnx2x_set_ringparam,
3579         .get_pauseparam         = bnx2x_get_pauseparam,
3580         .set_pauseparam         = bnx2x_set_pauseparam,
3581         .self_test              = bnx2x_self_test,
3582         .get_sset_count         = bnx2x_get_sset_count,
3583         .get_priv_flags         = bnx2x_get_private_flags,
3584         .get_strings            = bnx2x_get_strings,
3585         .set_phys_id            = bnx2x_set_phys_id,
3586         .get_ethtool_stats      = bnx2x_get_ethtool_stats,
3587         .get_rxnfc              = bnx2x_get_rxnfc,
3588         .set_rxnfc              = bnx2x_set_rxnfc,
3589         .get_rxfh_indir_size    = bnx2x_get_rxfh_indir_size,
3590         .get_rxfh               = bnx2x_get_rxfh,
3591         .set_rxfh               = bnx2x_set_rxfh,
3592         .get_channels           = bnx2x_get_channels,
3593         .set_channels           = bnx2x_set_channels,
3594         .get_module_info        = bnx2x_get_module_info,
3595         .get_module_eeprom      = bnx2x_get_module_eeprom,
3596         .get_eee                = bnx2x_get_eee,
3597         .set_eee                = bnx2x_set_eee,
3598         .get_ts_info            = bnx2x_get_ts_info,
3599 };
3600
3601 static const struct ethtool_ops bnx2x_vf_ethtool_ops = {
3602         .get_settings           = bnx2x_get_vf_settings,
3603         .get_drvinfo            = bnx2x_get_drvinfo,
3604         .get_msglevel           = bnx2x_get_msglevel,
3605         .set_msglevel           = bnx2x_set_msglevel,
3606         .get_link               = bnx2x_get_link,
3607         .get_coalesce           = bnx2x_get_coalesce,
3608         .get_ringparam          = bnx2x_get_ringparam,
3609         .set_ringparam          = bnx2x_set_ringparam,
3610         .get_sset_count         = bnx2x_get_sset_count,
3611         .get_strings            = bnx2x_get_strings,
3612         .get_ethtool_stats      = bnx2x_get_ethtool_stats,
3613         .get_rxnfc              = bnx2x_get_rxnfc,
3614         .set_rxnfc              = bnx2x_set_rxnfc,
3615         .get_rxfh_indir_size    = bnx2x_get_rxfh_indir_size,
3616         .get_rxfh               = bnx2x_get_rxfh,
3617         .set_rxfh               = bnx2x_set_rxfh,
3618         .get_channels           = bnx2x_get_channels,
3619         .set_channels           = bnx2x_set_channels,
3620 };
3621
3622 void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev)
3623 {
3624         netdev->ethtool_ops = (IS_PF(bp)) ?
3625                 &bnx2x_ethtool_ops : &bnx2x_vf_ethtool_ops;
3626 }