drivers/net/bnx2x/bnx2x_ethtool.c

   1 /* bnx2x_ethtool.c: Broadcom Everest network driver.
   2  *
   3  * Copyright (c) 2007-2010 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: Eilon Greenstein <eilong@broadcom.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 #include <linux/ethtool.h>
  18 #include <linux/netdevice.h>
  19 #include <linux/types.h>
  20 #include <linux/sched.h>
  21 #include <linux/crc32.h>
  22
  23
  24 #include "bnx2x.h"
  25 #include "bnx2x_cmn.h"
  26 #include "bnx2x_dump.h"
  27
  28 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  29 {
  30         struct bnx2x *bp = netdev_priv(dev);
  31         int cfg_idx = bnx2x_get_link_cfg_idx(bp);
  32         /* Dual Media boards present all available port types */
  33         cmd->supported = bp->port.supported[cfg_idx] |
  34                 (bp->port.supported[cfg_idx ^ 1] &
  35                  (SUPPORTED_TP | SUPPORTED_FIBRE));
  36         cmd->advertising = bp->port.advertising[cfg_idx];
  37
  38         if ((bp->state == BNX2X_STATE_OPEN) &&
  39             !(bp->flags & MF_FUNC_DIS) &&
  40             (bp->link_vars.link_up)) {
  41                 cmd->speed = bp->link_vars.line_speed;
  42                 cmd->duplex = bp->link_vars.duplex;
  43         } else {
  44
  45                 cmd->speed = bp->link_params.req_line_speed[cfg_idx];
  46                 cmd->duplex = bp->link_params.req_duplex[cfg_idx];
  47         }
  48         if (IS_MF(bp)) {
  49                 u16 vn_max_rate = ((bp->mf_config[BP_VN(bp)] &
  50                         FUNC_MF_CFG_MAX_BW_MASK) >> FUNC_MF_CFG_MAX_BW_SHIFT) *
  51                         100;
  52
  53                 if (vn_max_rate < cmd->speed)
  54                         cmd->speed = vn_max_rate;
  55         }
  56
  57         if (bp->port.supported[cfg_idx] & SUPPORTED_TP)
  58                 cmd->port = PORT_TP;
  59         else if (bp->port.supported[cfg_idx] & SUPPORTED_FIBRE)
  60                 cmd->port = PORT_FIBRE;
  61         else
  62                 BNX2X_ERR("XGXS PHY Failure detected\n");
  63
  64         cmd->phy_address = bp->mdio.prtad;
  65         cmd->transceiver = XCVR_INTERNAL;
  66
  67         if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG)
  68                 cmd->autoneg = AUTONEG_ENABLE;
  69         else
  70                 cmd->autoneg = AUTONEG_DISABLE;
  71
  72         cmd->maxtxpkt = 0;
  73         cmd->maxrxpkt = 0;
  74
  75         DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
  76            DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %d\n"
  77            DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
  78            DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
  79            cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
  80            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
  81            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
  82
  83         return 0;
  84 }
  85
  86 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  87 {
  88         struct bnx2x *bp = netdev_priv(dev);
  89         u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config;
  90
  91         if (IS_MF(bp))
  92                 return 0;
  93
  94         DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
  95            DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %d\n"
  96            DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
  97            DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
  98            cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
  99            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
 100            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
 101
 102         cfg_idx = bnx2x_get_link_cfg_idx(bp);
 103         old_multi_phy_config = bp->link_params.multi_phy_config;
 104         switch (cmd->port) {
 105         case PORT_TP:
 106                 if (bp->port.supported[cfg_idx] & SUPPORTED_TP)
 107                         break; /* no port change */
 108
 109                 if (!(bp->port.supported[0] & SUPPORTED_TP ||
 110                       bp->port.supported[1] & SUPPORTED_TP)) {
 111                         DP(NETIF_MSG_LINK, "Unsupported port type\n");
 112                         return -EINVAL;
 113                 }
 114                 bp->link_params.multi_phy_config &=
 115                         ~PORT_HW_CFG_PHY_SELECTION_MASK;
 116                 if (bp->link_params.multi_phy_config &
 117                     PORT_HW_CFG_PHY_SWAPPED_ENABLED)
 118                         bp->link_params.multi_phy_config |=
 119                         PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
 120                 else
 121                         bp->link_params.multi_phy_config |=
 122                         PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
 123                 break;
 124         case PORT_FIBRE:
 125                 if (bp->port.supported[cfg_idx] & SUPPORTED_FIBRE)
 126                         break; /* no port change */
 127
 128                 if (!(bp->port.supported[0] & SUPPORTED_FIBRE ||
 129                       bp->port.supported[1] & SUPPORTED_FIBRE)) {
 130                         DP(NETIF_MSG_LINK, "Unsupported port type\n");
 131                         return -EINVAL;
 132                 }
 133                 bp->link_params.multi_phy_config &=
 134                         ~PORT_HW_CFG_PHY_SELECTION_MASK;
 135                 if (bp->link_params.multi_phy_config &
 136                     PORT_HW_CFG_PHY_SWAPPED_ENABLED)
 137                         bp->link_params.multi_phy_config |=
 138                         PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
 139                 else
 140                         bp->link_params.multi_phy_config |=
 141                         PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
 142                 break;
 143         default:
 144                 DP(NETIF_MSG_LINK, "Unsupported port type\n");
 145                 return -EINVAL;
 146         }
 147         /* Save new config in case command complete successuly */
 148         new_multi_phy_config = bp->link_params.multi_phy_config;
 149         /* Get the new cfg_idx */
 150         cfg_idx = bnx2x_get_link_cfg_idx(bp);
 151         /* Restore old config in case command failed */
 152         bp->link_params.multi_phy_config = old_multi_phy_config;
 153         DP(NETIF_MSG_LINK, "cfg_idx = %x\n", cfg_idx);
 154
 155         if (cmd->autoneg == AUTONEG_ENABLE) {
 156                 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
 157                         DP(NETIF_MSG_LINK, "Autoneg not supported\n");
 158                         return -EINVAL;
 159                 }
 160
 161                 /* advertise the requested speed and duplex if supported */
 162                 cmd->advertising &= bp->port.supported[cfg_idx];
 163
 164                 bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
 165                 bp->link_params.req_duplex[cfg_idx] = DUPLEX_FULL;
 166                 bp->port.advertising[cfg_idx] |= (ADVERTISED_Autoneg |
 167                                          cmd->advertising);
 168
 169         } else { /* forced speed */
 170                 /* advertise the requested speed and duplex if supported */
 171                 u32 speed = cmd->speed;
 172                 speed |= (cmd->speed_hi << 16);
 173                 switch (speed) {
 174                 case SPEED_10:
 175                         if (cmd->duplex == DUPLEX_FULL) {
 176                                 if (!(bp->port.supported[cfg_idx] &
 177                                       SUPPORTED_10baseT_Full)) {
 178                                         DP(NETIF_MSG_LINK,
 179                                            "10M full not supported\n");
 180                                         return -EINVAL;
 181                                 }
 182
 183                                 advertising = (ADVERTISED_10baseT_Full |
 184                                                ADVERTISED_TP);
 185                         } else {
 186                                 if (!(bp->port.supported[cfg_idx] &
 187                                       SUPPORTED_10baseT_Half)) {
 188                                         DP(NETIF_MSG_LINK,
 189                                            "10M half not supported\n");
 190                                         return -EINVAL;
 191                                 }
 192
 193                                 advertising = (ADVERTISED_10baseT_Half |
 194                                                ADVERTISED_TP);
 195                         }
 196                         break;
 197
 198                 case SPEED_100:
 199                         if (cmd->duplex == DUPLEX_FULL) {
 200                                 if (!(bp->port.supported[cfg_idx] &
 201                                                 SUPPORTED_100baseT_Full)) {
 202                                         DP(NETIF_MSG_LINK,
 203                                            "100M full not supported\n");
 204                                         return -EINVAL;
 205                                 }
 206
 207                                 advertising = (ADVERTISED_100baseT_Full |
 208                                                ADVERTISED_TP);
 209                         } else {
 210                                 if (!(bp->port.supported[cfg_idx] &
 211                                                 SUPPORTED_100baseT_Half)) {
 212                                         DP(NETIF_MSG_LINK,
 213                                            "100M half not supported\n");
 214                                         return -EINVAL;
 215                                 }
 216
 217                                 advertising = (ADVERTISED_100baseT_Half |
 218                                                ADVERTISED_TP);
 219                         }
 220                         break;
 221
 222                 case SPEED_1000:
 223                         if (cmd->duplex != DUPLEX_FULL) {
 224                                 DP(NETIF_MSG_LINK, "1G half not supported\n");
 225                                 return -EINVAL;
 226                         }
 227
 228                         if (!(bp->port.supported[cfg_idx] &
 229                               SUPPORTED_1000baseT_Full)) {
 230                                 DP(NETIF_MSG_LINK, "1G full not supported\n");
 231                                 return -EINVAL;
 232                         }
 233
 234                         advertising = (ADVERTISED_1000baseT_Full |
 235                                        ADVERTISED_TP);
 236                         break;
 237
 238                 case SPEED_2500:
 239                         if (cmd->duplex != DUPLEX_FULL) {
 240                                 DP(NETIF_MSG_LINK,
 241                                    "2.5G half not supported\n");
 242                                 return -EINVAL;
 243                         }
 244
 245                         if (!(bp->port.supported[cfg_idx]
 246                               & SUPPORTED_2500baseX_Full)) {
 247                                 DP(NETIF_MSG_LINK,
 248                                    "2.5G full not supported\n");
 249                                 return -EINVAL;
 250                         }
 251
 252                         advertising = (ADVERTISED_2500baseX_Full |
 253                                        ADVERTISED_TP);
 254                         break;
 255
 256                 case SPEED_10000:
 257                         if (cmd->duplex != DUPLEX_FULL) {
 258                                 DP(NETIF_MSG_LINK, "10G half not supported\n");
 259                                 return -EINVAL;
 260                         }
 261
 262                         if (!(bp->port.supported[cfg_idx]
 263                               & SUPPORTED_10000baseT_Full)) {
 264                                 DP(NETIF_MSG_LINK, "10G full not supported\n");
 265                                 return -EINVAL;
 266                         }
 267
 268                         advertising = (ADVERTISED_10000baseT_Full |
 269                                        ADVERTISED_FIBRE);
 270                         break;
 271
 272                 default:
 273                         DP(NETIF_MSG_LINK, "Unsupported speed %d\n", speed);
 274                         return -EINVAL;
 275                 }
 276
 277                 bp->link_params.req_line_speed[cfg_idx] = speed;
 278                 bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
 279                 bp->port.advertising[cfg_idx] = advertising;
 280         }
 281
 282         DP(NETIF_MSG_LINK, "req_line_speed %d\n"
 283            DP_LEVEL "  req_duplex %d  advertising 0x%x\n",
 284            bp->link_params.req_line_speed[cfg_idx],
 285            bp->link_params.req_duplex[cfg_idx],
 286            bp->port.advertising[cfg_idx]);
 287
 288         /* Set new config */
 289         bp->link_params.multi_phy_config = new_multi_phy_config;
 290         if (netif_running(dev)) {
 291                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
 292                 bnx2x_link_set(bp);
 293         }
 294
 295         return 0;
 296 }
 297
 298 #define IS_E1_ONLINE(info)      (((info) & RI_E1_ONLINE) == RI_E1_ONLINE)
 299 #define IS_E1H_ONLINE(info)     (((info) & RI_E1H_ONLINE) == RI_E1H_ONLINE)
 300 #define IS_E2_ONLINE(info)      (((info) & RI_E2_ONLINE) == RI_E2_ONLINE)
 301
 302 static int bnx2x_get_regs_len(struct net_device *dev)
 303 {
 304         struct bnx2x *bp = netdev_priv(dev);
 305         int regdump_len = 0;
 306         int i;
 307
 308         if (CHIP_IS_E1(bp)) {
 309                 for (i = 0; i < REGS_COUNT; i++)
 310                         if (IS_E1_ONLINE(reg_addrs[i].info))
 311                                 regdump_len += reg_addrs[i].size;
 312
 313                 for (i = 0; i < WREGS_COUNT_E1; i++)
 314                         if (IS_E1_ONLINE(wreg_addrs_e1[i].info))
 315                                 regdump_len += wreg_addrs_e1[i].size *
 316                                         (1 + wreg_addrs_e1[i].read_regs_count);
 317
 318         } else if (CHIP_IS_E1H(bp)) {
 319                 for (i = 0; i < REGS_COUNT; i++)
 320                         if (IS_E1H_ONLINE(reg_addrs[i].info))
 321                                 regdump_len += reg_addrs[i].size;
 322
 323                 for (i = 0; i < WREGS_COUNT_E1H; i++)
 324                         if (IS_E1H_ONLINE(wreg_addrs_e1h[i].info))
 325                                 regdump_len += wreg_addrs_e1h[i].size *
 326                                         (1 + wreg_addrs_e1h[i].read_regs_count);
 327         } else if (CHIP_IS_E2(bp)) {
 328                 for (i = 0; i < REGS_COUNT; i++)
 329                         if (IS_E2_ONLINE(reg_addrs[i].info))
 330                                 regdump_len += reg_addrs[i].size;
 331
 332                 for (i = 0; i < WREGS_COUNT_E2; i++)
 333                         if (IS_E2_ONLINE(wreg_addrs_e2[i].info))
 334                                 regdump_len += wreg_addrs_e2[i].size *
 335                                         (1 + wreg_addrs_e2[i].read_regs_count);
 336         }
 337         regdump_len *= 4;
 338         regdump_len += sizeof(struct dump_hdr);
 339
 340         return regdump_len;
 341 }
 342
 343 static inline void bnx2x_read_pages_regs_e2(struct bnx2x *bp, u32 *p)
 344 {
 345         u32 i, j, k, n;
 346
 347         for (i = 0; i < PAGE_MODE_VALUES_E2; i++) {
 348                 for (j = 0; j < PAGE_WRITE_REGS_E2; j++) {
 349                         REG_WR(bp, page_write_regs_e2[j], page_vals_e2[i]);
 350                         for (k = 0; k < PAGE_READ_REGS_E2; k++)
 351                                 if (IS_E2_ONLINE(page_read_regs_e2[k].info))
 352                                         for (n = 0; n <
 353                                               page_read_regs_e2[k].size; n++)
 354                                                 *p++ = REG_RD(bp,
 355                                         page_read_regs_e2[k].addr + n*4);
 356                 }
 357         }
 358 }
 359
 360 static void bnx2x_get_regs(struct net_device *dev,
 361                            struct ethtool_regs *regs, void *_p)
 362 {
 363         u32 *p = _p, i, j;
 364         struct bnx2x *bp = netdev_priv(dev);
 365         struct dump_hdr dump_hdr = {0};
 366
 367         regs->version = 0;
 368         memset(p, 0, regs->len);
 369
 370         if (!netif_running(bp->dev))
 371                 return;
 372
 373         dump_hdr.hdr_size = (sizeof(struct dump_hdr) / 4) - 1;
 374         dump_hdr.dump_sign = dump_sign_all;
 375         dump_hdr.xstorm_waitp = REG_RD(bp, XSTORM_WAITP_ADDR);
 376         dump_hdr.tstorm_waitp = REG_RD(bp, TSTORM_WAITP_ADDR);
 377         dump_hdr.ustorm_waitp = REG_RD(bp, USTORM_WAITP_ADDR);
 378         dump_hdr.cstorm_waitp = REG_RD(bp, CSTORM_WAITP_ADDR);
 379
 380         if (CHIP_IS_E1(bp))
 381                 dump_hdr.info = RI_E1_ONLINE;
 382         else if (CHIP_IS_E1H(bp))
 383                 dump_hdr.info = RI_E1H_ONLINE;
 384         else if (CHIP_IS_E2(bp))
 385                 dump_hdr.info = RI_E2_ONLINE |
 386                 (BP_PATH(bp) ? RI_PATH1_DUMP : RI_PATH0_DUMP);
 387
 388         memcpy(p, &dump_hdr, sizeof(struct dump_hdr));
 389         p += dump_hdr.hdr_size + 1;
 390
 391         if (CHIP_IS_E1(bp)) {
 392                 for (i = 0; i < REGS_COUNT; i++)
 393                         if (IS_E1_ONLINE(reg_addrs[i].info))
 394                                 for (j = 0; j < reg_addrs[i].size; j++)
 395                                         *p++ = REG_RD(bp,
 396                                                       reg_addrs[i].addr + j*4);
 397
 398         } else if (CHIP_IS_E1H(bp)) {
 399                 for (i = 0; i < REGS_COUNT; i++)
 400                         if (IS_E1H_ONLINE(reg_addrs[i].info))
 401                                 for (j = 0; j < reg_addrs[i].size; j++)
 402                                         *p++ = REG_RD(bp,
 403                                                       reg_addrs[i].addr + j*4);
 404
 405         } else if (CHIP_IS_E2(bp)) {
 406                 for (i = 0; i < REGS_COUNT; i++)
 407                         if (IS_E2_ONLINE(reg_addrs[i].info))
 408                                 for (j = 0; j < reg_addrs[i].size; j++)
 409                                         *p++ = REG_RD(bp,
 410                                               reg_addrs[i].addr + j*4);
 411
 412                 bnx2x_read_pages_regs_e2(bp, p);
 413         }
 414 }
 415
 416 #define PHY_FW_VER_LEN                  20
 417
 418 static void bnx2x_get_drvinfo(struct net_device *dev,
 419                               struct ethtool_drvinfo *info)
 420 {
 421         struct bnx2x *bp = netdev_priv(dev);
 422         u8 phy_fw_ver[PHY_FW_VER_LEN];
 423
 424         strcpy(info->driver, DRV_MODULE_NAME);
 425         strcpy(info->version, DRV_MODULE_VERSION);
 426
 427         phy_fw_ver[0] = '\0';
 428         if (bp->port.pmf) {
 429                 bnx2x_acquire_phy_lock(bp);
 430                 bnx2x_get_ext_phy_fw_version(&bp->link_params,
 431                                              (bp->state != BNX2X_STATE_CLOSED),
 432                                              phy_fw_ver, PHY_FW_VER_LEN);
 433                 bnx2x_release_phy_lock(bp);
 434         }
 435
 436         strncpy(info->fw_version, bp->fw_ver, 32);
 437         snprintf(info->fw_version + strlen(bp->fw_ver), 32 - strlen(bp->fw_ver),
 438                  "bc %d.%d.%d%s%s",
 439                  (bp->common.bc_ver & 0xff0000) >> 16,
 440                  (bp->common.bc_ver & 0xff00) >> 8,
 441                  (bp->common.bc_ver & 0xff),
 442                  ((phy_fw_ver[0] != '\0') ? " phy " : ""), phy_fw_ver);
 443         strcpy(info->bus_info, pci_name(bp->pdev));
 444         info->n_stats = BNX2X_NUM_STATS;
 445         info->testinfo_len = BNX2X_NUM_TESTS;
 446         info->eedump_len = bp->common.flash_size;
 447         info->regdump_len = bnx2x_get_regs_len(dev);
 448 }
 449
 450 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 451 {
 452         struct bnx2x *bp = netdev_priv(dev);
 453
 454         if (bp->flags & NO_WOL_FLAG) {
 455                 wol->supported = 0;
 456                 wol->wolopts = 0;
 457         } else {
 458                 wol->supported = WAKE_MAGIC;
 459                 if (bp->wol)
 460                         wol->wolopts = WAKE_MAGIC;
 461                 else
 462                         wol->wolopts = 0;
 463         }
 464         memset(&wol->sopass, 0, sizeof(wol->sopass));
 465 }
 466
 467 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 468 {
 469         struct bnx2x *bp = netdev_priv(dev);
 470
 471         if (wol->wolopts & ~WAKE_MAGIC)
 472                 return -EINVAL;
 473
 474         if (wol->wolopts & WAKE_MAGIC) {
 475                 if (bp->flags & NO_WOL_FLAG)
 476                         return -EINVAL;
 477
 478                 bp->wol = 1;
 479         } else
 480                 bp->wol = 0;
 481
 482         return 0;
 483 }
 484
 485 static u32 bnx2x_get_msglevel(struct net_device *dev)
 486 {
 487         struct bnx2x *bp = netdev_priv(dev);
 488
 489         return bp->msg_enable;
 490 }
 491
 492 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
 493 {
 494         struct bnx2x *bp = netdev_priv(dev);
 495
 496         if (capable(CAP_NET_ADMIN))
 497                 bp->msg_enable = level;
 498 }
 499
 500 static int bnx2x_nway_reset(struct net_device *dev)
 501 {
 502         struct bnx2x *bp = netdev_priv(dev);
 503
 504         if (!bp->port.pmf)
 505                 return 0;
 506
 507         if (netif_running(dev)) {
 508                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
 509                 bnx2x_link_set(bp);
 510         }
 511
 512         return 0;
 513 }
 514
 515 static u32 bnx2x_get_link(struct net_device *dev)
 516 {
 517         struct bnx2x *bp = netdev_priv(dev);
 518
 519         if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
 520                 return 0;
 521
 522         return bp->link_vars.link_up;
 523 }
 524
 525 static int bnx2x_get_eeprom_len(struct net_device *dev)
 526 {
 527         struct bnx2x *bp = netdev_priv(dev);
 528
 529         return bp->common.flash_size;
 530 }
 531
 532 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
 533 {
 534         int port = BP_PORT(bp);
 535         int count, i;
 536         u32 val = 0;
 537
 538         /* adjust timeout for emulation/FPGA */
 539         count = NVRAM_TIMEOUT_COUNT;
 540         if (CHIP_REV_IS_SLOW(bp))
 541                 count *= 100;
 542
 543         /* request access to nvram interface */
 544         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
 545                (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
 546
 547         for (i = 0; i < count*10; i++) {
 548                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
 549                 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
 550                         break;
 551
 552                 udelay(5);
 553         }
 554
 555         if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
 556                 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
 557                 return -EBUSY;
 558         }
 559
 560         return 0;
 561 }
 562
 563 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
 564 {
 565         int port = BP_PORT(bp);
 566         int count, i;
 567         u32 val = 0;
 568
 569         /* adjust timeout for emulation/FPGA */
 570         count = NVRAM_TIMEOUT_COUNT;
 571         if (CHIP_REV_IS_SLOW(bp))
 572                 count *= 100;
 573
 574         /* relinquish nvram interface */
 575         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
 576                (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
 577
 578         for (i = 0; i < count*10; i++) {
 579                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
 580                 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
 581                         break;
 582
 583                 udelay(5);
 584         }
 585
 586         if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
 587                 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
 588                 return -EBUSY;
 589         }
 590
 591         return 0;
 592 }
 593
 594 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
 595 {
 596         u32 val;
 597
 598         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
 599
 600         /* enable both bits, even on read */
 601         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
 602                (val | MCPR_NVM_ACCESS_ENABLE_EN |
 603                       MCPR_NVM_ACCESS_ENABLE_WR_EN));
 604 }
 605
 606 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
 607 {
 608         u32 val;
 609
 610         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
 611
 612         /* disable both bits, even after read */
 613         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
 614                (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
 615                         MCPR_NVM_ACCESS_ENABLE_WR_EN)));
 616 }
 617
 618 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
 619                                   u32 cmd_flags)
 620 {
 621         int count, i, rc;
 622         u32 val;
 623
 624         /* build the command word */
 625         cmd_flags |= MCPR_NVM_COMMAND_DOIT;
 626
 627         /* need to clear DONE bit separately */
 628         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
 629
 630         /* address of the NVRAM to read from */
 631         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
 632                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
 633
 634         /* issue a read command */
 635         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
 636
 637         /* adjust timeout for emulation/FPGA */
 638         count = NVRAM_TIMEOUT_COUNT;
 639         if (CHIP_REV_IS_SLOW(bp))
 640                 count *= 100;
 641
 642         /* wait for completion */
 643         *ret_val = 0;
 644         rc = -EBUSY;
 645         for (i = 0; i < count; i++) {
 646                 udelay(5);
 647                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
 648
 649                 if (val & MCPR_NVM_COMMAND_DONE) {
 650                         val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
 651                         /* we read nvram data in cpu order
 652                          * but ethtool sees it as an array of bytes
 653                          * converting to big-endian will do the work */
 654                         *ret_val = cpu_to_be32(val);
 655                         rc = 0;
 656                         break;
 657                 }
 658         }
 659
 660         return rc;
 661 }
 662
 663 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
 664                             int buf_size)
 665 {
 666         int rc;
 667         u32 cmd_flags;
 668         __be32 val;
 669
 670         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
 671                 DP(BNX2X_MSG_NVM,
 672                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
 673                    offset, buf_size);
 674                 return -EINVAL;
 675         }
 676
 677         if (offset + buf_size > bp->common.flash_size) {
 678                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
 679                                   " buf_size (0x%x) > flash_size (0x%x)\n",
 680                    offset, buf_size, bp->common.flash_size);
 681                 return -EINVAL;
 682         }
 683
 684         /* request access to nvram interface */
 685         rc = bnx2x_acquire_nvram_lock(bp);
 686         if (rc)
 687                 return rc;
 688
 689         /* enable access to nvram interface */
 690         bnx2x_enable_nvram_access(bp);
 691
 692         /* read the first word(s) */
 693         cmd_flags = MCPR_NVM_COMMAND_FIRST;
 694         while ((buf_size > sizeof(u32)) && (rc == 0)) {
 695                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
 696                 memcpy(ret_buf, &val, 4);
 697
 698                 /* advance to the next dword */
 699                 offset += sizeof(u32);
 700                 ret_buf += sizeof(u32);
 701                 buf_size -= sizeof(u32);
 702                 cmd_flags = 0;
 703         }
 704
 705         if (rc == 0) {
 706                 cmd_flags |= MCPR_NVM_COMMAND_LAST;
 707                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
 708                 memcpy(ret_buf, &val, 4);
 709         }
 710
 711         /* disable access to nvram interface */
 712         bnx2x_disable_nvram_access(bp);
 713         bnx2x_release_nvram_lock(bp);
 714
 715         return rc;
 716 }
 717
 718 static int bnx2x_get_eeprom(struct net_device *dev,
 719                             struct ethtool_eeprom *eeprom, u8 *eebuf)
 720 {
 721         struct bnx2x *bp = netdev_priv(dev);
 722         int rc;
 723
 724         if (!netif_running(dev))
 725                 return -EAGAIN;
 726
 727         DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
 728            DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
 729            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
 730            eeprom->len, eeprom->len);
 731
 732         /* parameters already validated in ethtool_get_eeprom */
 733
 734         rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
 735
 736         return rc;
 737 }
 738
 739 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
 740                                    u32 cmd_flags)
 741 {
 742         int count, i, rc;
 743
 744         /* build the command word */
 745         cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
 746
 747         /* need to clear DONE bit separately */
 748         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
 749
 750         /* write the data */
 751         REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
 752
 753         /* address of the NVRAM to write to */
 754         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
 755                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
 756
 757         /* issue the write command */
 758         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
 759
 760         /* adjust timeout for emulation/FPGA */
 761         count = NVRAM_TIMEOUT_COUNT;
 762         if (CHIP_REV_IS_SLOW(bp))
 763                 count *= 100;
 764
 765         /* wait for completion */
 766         rc = -EBUSY;
 767         for (i = 0; i < count; i++) {
 768                 udelay(5);
 769                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
 770                 if (val & MCPR_NVM_COMMAND_DONE) {
 771                         rc = 0;
 772                         break;
 773                 }
 774         }
 775
 776         return rc;
 777 }
 778
 779 #define BYTE_OFFSET(offset)             (8 * (offset & 0x03))
 780
 781 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
 782                               int buf_size)
 783 {
 784         int rc;
 785         u32 cmd_flags;
 786         u32 align_offset;
 787         __be32 val;
 788
 789         if (offset + buf_size > bp->common.flash_size) {
 790                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
 791                                   " buf_size (0x%x) > flash_size (0x%x)\n",
 792                    offset, buf_size, bp->common.flash_size);
 793                 return -EINVAL;
 794         }
 795
 796         /* request access to nvram interface */
 797         rc = bnx2x_acquire_nvram_lock(bp);
 798         if (rc)
 799                 return rc;
 800
 801         /* enable access to nvram interface */
 802         bnx2x_enable_nvram_access(bp);
 803
 804         cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
 805         align_offset = (offset & ~0x03);
 806         rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
 807
 808         if (rc == 0) {
 809                 val &= ~(0xff << BYTE_OFFSET(offset));
 810                 val |= (*data_buf << BYTE_OFFSET(offset));
 811
 812                 /* nvram data is returned as an array of bytes
 813                  * convert it back to cpu order */
 814                 val = be32_to_cpu(val);
 815
 816                 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
 817                                              cmd_flags);
 818         }
 819
 820         /* disable access to nvram interface */
 821         bnx2x_disable_nvram_access(bp);
 822         bnx2x_release_nvram_lock(bp);
 823
 824         return rc;
 825 }
 826
 827 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
 828                              int buf_size)
 829 {
 830         int rc;
 831         u32 cmd_flags;
 832         u32 val;
 833         u32 written_so_far;
 834
 835         if (buf_size == 1)      /* ethtool */
 836                 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
 837
 838         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
 839                 DP(BNX2X_MSG_NVM,
 840                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
 841                    offset, buf_size);
 842                 return -EINVAL;
 843         }
 844
 845         if (offset + buf_size > bp->common.flash_size) {
 846                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
 847                                   " buf_size (0x%x) > flash_size (0x%x)\n",
 848                    offset, buf_size, bp->common.flash_size);
 849                 return -EINVAL;
 850         }
 851
 852         /* request access to nvram interface */
 853         rc = bnx2x_acquire_nvram_lock(bp);
 854         if (rc)
 855                 return rc;
 856
 857         /* enable access to nvram interface */
 858         bnx2x_enable_nvram_access(bp);
 859
 860         written_so_far = 0;
 861         cmd_flags = MCPR_NVM_COMMAND_FIRST;
 862         while ((written_so_far < buf_size) && (rc == 0)) {
 863                 if (written_so_far == (buf_size - sizeof(u32)))
 864                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
 865                 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
 866                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
 867                 else if ((offset % NVRAM_PAGE_SIZE) == 0)
 868                         cmd_flags |= MCPR_NVM_COMMAND_FIRST;
 869
 870                 memcpy(&val, data_buf, 4);
 871
 872                 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
 873
 874                 /* advance to the next dword */
 875                 offset += sizeof(u32);
 876                 data_buf += sizeof(u32);
 877                 written_so_far += sizeof(u32);
 878                 cmd_flags = 0;
 879         }
 880
 881         /* disable access to nvram interface */
 882         bnx2x_disable_nvram_access(bp);
 883         bnx2x_release_nvram_lock(bp);
 884
 885         return rc;
 886 }
 887
 888 static int bnx2x_set_eeprom(struct net_device *dev,
 889                             struct ethtool_eeprom *eeprom, u8 *eebuf)
 890 {
 891         struct bnx2x *bp = netdev_priv(dev);
 892         int port = BP_PORT(bp);
 893         int rc = 0;
 894         u32 ext_phy_config;
 895         if (!netif_running(dev))
 896                 return -EAGAIN;
 897
 898         DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
 899            DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
 900            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
 901            eeprom->len, eeprom->len);
 902
 903         /* parameters already validated in ethtool_set_eeprom */
 904
 905         /* PHY eeprom can be accessed only by the PMF */
 906         if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
 907             !bp->port.pmf)
 908                 return -EINVAL;
 909
 910         ext_phy_config =
 911                 SHMEM_RD(bp,
 912                          dev_info.port_hw_config[port].external_phy_config);
 913
 914         if (eeprom->magic == 0x50485950) {
 915                 /* 'PHYP' (0x50485950): prepare phy for FW upgrade */
 916                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
 917
 918                 bnx2x_acquire_phy_lock(bp);
 919                 rc |= bnx2x_link_reset(&bp->link_params,
 920                                        &bp->link_vars, 0);
 921                 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
 922                                         PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
 923                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
 924                                        MISC_REGISTERS_GPIO_HIGH, port);
 925                 bnx2x_release_phy_lock(bp);
 926                 bnx2x_link_report(bp);
 927
 928         } else if (eeprom->magic == 0x50485952) {
 929                 /* 'PHYR' (0x50485952): re-init link after FW upgrade */
 930                 if (bp->state == BNX2X_STATE_OPEN) {
 931                         bnx2x_acquire_phy_lock(bp);
 932                         rc |= bnx2x_link_reset(&bp->link_params,
 933                                                &bp->link_vars, 1);
 934
 935                         rc |= bnx2x_phy_init(&bp->link_params,
 936                                              &bp->link_vars);
 937                         bnx2x_release_phy_lock(bp);
 938                         bnx2x_calc_fc_adv(bp);
 939                 }
 940         } else if (eeprom->magic == 0x53985943) {
 941                 /* 'PHYC' (0x53985943): PHY FW upgrade completed */
 942                 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
 943                                        PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {
 944
 945                         /* DSP Remove Download Mode */
 946                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
 947                                        MISC_REGISTERS_GPIO_LOW, port);
 948
 949                         bnx2x_acquire_phy_lock(bp);
 950
 951                         bnx2x_sfx7101_sp_sw_reset(bp,
 952                                                 &bp->link_params.phy[EXT_PHY1]);
 953
 954                         /* wait 0.5 sec to allow it to run */
 955                         msleep(500);
 956                         bnx2x_ext_phy_hw_reset(bp, port);
 957                         msleep(500);
 958                         bnx2x_release_phy_lock(bp);
 959                 }
 960         } else
 961                 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
 962
 963         return rc;
 964 }
 965
 966 static int bnx2x_get_coalesce(struct net_device *dev,
 967                               struct ethtool_coalesce *coal)
 968 {
 969         struct bnx2x *bp = netdev_priv(dev);
 970
 971         memset(coal, 0, sizeof(struct ethtool_coalesce));
 972
 973         coal->rx_coalesce_usecs = bp->rx_ticks;
 974         coal->tx_coalesce_usecs = bp->tx_ticks;
 975
 976         return 0;
 977 }
 978
 979 static int bnx2x_set_coalesce(struct net_device *dev,
 980                               struct ethtool_coalesce *coal)
 981 {
 982         struct bnx2x *bp = netdev_priv(dev);
 983
 984         bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
 985         if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
 986                 bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;
 987
 988         bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
 989         if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
 990                 bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;
 991
 992         if (netif_running(dev))
 993                 bnx2x_update_coalesce(bp);
 994
 995         return 0;
 996 }
 997
 998 static void bnx2x_get_ringparam(struct net_device *dev,
 999                                 struct ethtool_ringparam *ering)
1000 {
1001         struct bnx2x *bp = netdev_priv(dev);
1002
1003         ering->rx_max_pending = MAX_RX_AVAIL;
1004         ering->rx_mini_max_pending = 0;
1005         ering->rx_jumbo_max_pending = 0;
1006
1007         if (bp->rx_ring_size)
1008                 ering->rx_pending = bp->rx_ring_size;
1009         else
1010                 if (bp->state == BNX2X_STATE_OPEN && bp->num_queues)
1011                         ering->rx_pending = MAX_RX_AVAIL/bp->num_queues;
1012                 else
1013                         ering->rx_pending = MAX_RX_AVAIL;
1014
1015         ering->rx_mini_pending = 0;
1016         ering->rx_jumbo_pending = 0;
1017
1018         ering->tx_max_pending = MAX_TX_AVAIL;
1019         ering->tx_pending = bp->tx_ring_size;
1020 }
1021
1022 static int bnx2x_set_ringparam(struct net_device *dev,
1023                                struct ethtool_ringparam *ering)
1024 {
1025         struct bnx2x *bp = netdev_priv(dev);
1026         int rc = 0;
1027
1028         if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1029                 printk(KERN_ERR "Handling parity error recovery. Try again later\n");
1030                 return -EAGAIN;
1031         }
1032
1033         if ((ering->rx_pending > MAX_RX_AVAIL) ||
1034             (ering->rx_pending < MIN_RX_AVAIL) ||
1035             (ering->tx_pending > MAX_TX_AVAIL) ||
1036             (ering->tx_pending <= MAX_SKB_FRAGS + 4))
1037                 return -EINVAL;
1038
1039         bp->rx_ring_size = ering->rx_pending;
1040         bp->tx_ring_size = ering->tx_pending;
1041
1042         if (netif_running(dev)) {
1043                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
1044                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
1045         }
1046
1047         return rc;
1048 }
1049
1050 static void bnx2x_get_pauseparam(struct net_device *dev,
1051                                  struct ethtool_pauseparam *epause)
1052 {
1053         struct bnx2x *bp = netdev_priv(dev);
1054         int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1055         epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
1056                            BNX2X_FLOW_CTRL_AUTO);
1057
1058         epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
1059                             BNX2X_FLOW_CTRL_RX);
1060         epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
1061                             BNX2X_FLOW_CTRL_TX);
1062
1063         DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
1064            DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
1065            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1066 }
1067
1068 static int bnx2x_set_pauseparam(struct net_device *dev,
1069                                 struct ethtool_pauseparam *epause)
1070 {
1071         struct bnx2x *bp = netdev_priv(dev);
1072         u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1073         if (IS_MF(bp))
1074                 return 0;
1075
1076         DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
1077            DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
1078            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1079
1080         bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
1081
1082         if (epause->rx_pause)
1083                 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
1084
1085         if (epause->tx_pause)
1086                 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
1087
1088         if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
1089                 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
1090
1091         if (epause->autoneg) {
1092                 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
1093                         DP(NETIF_MSG_LINK, "autoneg not supported\n");
1094                         return -EINVAL;
1095                 }
1096
1097                 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
1098                         bp->link_params.req_flow_ctrl[cfg_idx] =
1099                                 BNX2X_FLOW_CTRL_AUTO;
1100                 }
1101         }
1102
1103         DP(NETIF_MSG_LINK,
1104            "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
1105
1106         if (netif_running(dev)) {
1107                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1108                 bnx2x_link_set(bp);
1109         }
1110
1111         return 0;
1112 }
1113
1114 static int bnx2x_set_flags(struct net_device *dev, u32 data)
1115 {
1116         struct bnx2x *bp = netdev_priv(dev);
1117         int changed = 0;
1118         int rc = 0;
1119
1120         if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1121                 printk(KERN_ERR "Handling parity error recovery. Try again later\n");
1122                 return -EAGAIN;
1123         }
1124
1125         if (!(data & ETH_FLAG_RXVLAN))
1126                 return -EINVAL;
1127
1128         if ((data & ETH_FLAG_LRO) && bp->rx_csum && bp->disable_tpa)
1129                 return -EINVAL;
1130
1131         rc = ethtool_op_set_flags(dev, data, ETH_FLAG_LRO | ETH_FLAG_RXVLAN |
1132                                         ETH_FLAG_TXVLAN | ETH_FLAG_RXHASH);
1133         if (rc)
1134                 return rc;
1135
1136         /* TPA requires Rx CSUM offloading */
1137         if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
1138                 if (!(bp->flags & TPA_ENABLE_FLAG)) {
1139                         bp->flags |= TPA_ENABLE_FLAG;
1140                         changed = 1;
1141                 }
1142         } else if (bp->flags & TPA_ENABLE_FLAG) {
1143                 dev->features &= ~NETIF_F_LRO;
1144                 bp->flags &= ~TPA_ENABLE_FLAG;
1145                 changed = 1;
1146         }
1147
1148         if (changed && netif_running(dev)) {
1149                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
1150                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
1151         }
1152
1153         return rc;
1154 }
1155
1156 static u32 bnx2x_get_rx_csum(struct net_device *dev)
1157 {
1158         struct bnx2x *bp = netdev_priv(dev);
1159
1160         return bp->rx_csum;
1161 }
1162
1163 static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
1164 {
1165         struct bnx2x *bp = netdev_priv(dev);
1166         int rc = 0;
1167
1168         if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1169                 printk(KERN_ERR "Handling parity error recovery. Try again later\n");
1170                 return -EAGAIN;
1171         }
1172
1173         bp->rx_csum = data;
1174
1175         /* Disable TPA, when Rx CSUM is disabled. Otherwise all
1176            TPA'ed packets will be discarded due to wrong TCP CSUM */
1177         if (!data) {
1178                 u32 flags = ethtool_op_get_flags(dev);
1179
1180                 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
1181         }
1182
1183         return rc;
1184 }
1185
1186 static int bnx2x_set_tso(struct net_device *dev, u32 data)
1187 {
1188         if (data) {
1189                 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
1190                 dev->features |= NETIF_F_TSO6;
1191         } else {
1192                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
1193                 dev->features &= ~NETIF_F_TSO6;
1194         }
1195
1196         return 0;
1197 }
1198
1199 static const struct {
1200         char string[ETH_GSTRING_LEN];
1201 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
1202         { "register_test (offline)" },
1203         { "memory_test (offline)" },
1204         { "loopback_test (offline)" },
1205         { "nvram_test (online)" },
1206         { "interrupt_test (online)" },
1207         { "link_test (online)" },
1208         { "idle check (online)" }
1209 };
1210
1211 static int bnx2x_test_registers(struct bnx2x *bp)
1212 {
1213         int idx, i, rc = -ENODEV;
1214         u32 wr_val = 0;
1215         int port = BP_PORT(bp);
1216         static const struct {
1217                 u32 offset0;
1218                 u32 offset1;
1219                 u32 mask;
1220         } reg_tbl[] = {
1221 /* 0 */         { BRB1_REG_PAUSE_LOW_THRESHOLD_0,      4, 0x000003ff },
1222                 { DORQ_REG_DB_ADDR0,                   4, 0xffffffff },
1223                 { HC_REG_AGG_INT_0,                    4, 0x000003ff },
1224                 { PBF_REG_MAC_IF0_ENABLE,              4, 0x00000001 },
1225                 { PBF_REG_P0_INIT_CRD,                 4, 0x000007ff },
1226                 { PRS_REG_CID_PORT_0,                  4, 0x00ffffff },
1227                 { PXP2_REG_PSWRQ_CDU0_L2P,             4, 0x000fffff },
1228                 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR,    8, 0x0003ffff },
1229                 { PXP2_REG_PSWRQ_TM0_L2P,              4, 0x000fffff },
1230                 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR,   8, 0x0003ffff },
1231 /* 10 */        { PXP2_REG_PSWRQ_TSDM0_L2P,            4, 0x000fffff },
1232                 { QM_REG_CONNNUM_0,                    4, 0x000fffff },
1233                 { TM_REG_LIN0_MAX_ACTIVE_CID,          4, 0x0003ffff },
1234                 { SRC_REG_KEYRSS0_0,                  40, 0xffffffff },
1235                 { SRC_REG_KEYRSS0_7,                  40, 0xffffffff },
1236                 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
1237                 { XCM_REG_WU_DA_CNT_CMD00,             4, 0x00000003 },
1238                 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0,       4, 0x000000ff },
1239                 { NIG_REG_LLH0_T_BIT,                  4, 0x00000001 },
1240                 { NIG_REG_EMAC0_IN_EN,                 4, 0x00000001 },
1241 /* 20 */        { NIG_REG_BMAC0_IN_EN,                 4, 0x00000001 },
1242                 { NIG_REG_XCM0_OUT_EN,                 4, 0x00000001 },
1243                 { NIG_REG_BRB0_OUT_EN,                 4, 0x00000001 },
1244                 { NIG_REG_LLH0_XCM_MASK,               4, 0x00000007 },
1245                 { NIG_REG_LLH0_ACPI_PAT_6_LEN,        68, 0x000000ff },
1246                 { NIG_REG_LLH0_ACPI_PAT_0_CRC,        68, 0xffffffff },
1247                 { NIG_REG_LLH0_DEST_MAC_0_0,         160, 0xffffffff },
1248                 { NIG_REG_LLH0_DEST_IP_0_1,          160, 0xffffffff },
1249                 { NIG_REG_LLH0_IPV4_IPV6_0,          160, 0x00000001 },
1250                 { NIG_REG_LLH0_DEST_UDP_0,           160, 0x0000ffff },
1251 /* 30 */        { NIG_REG_LLH0_DEST_TCP_0,           160, 0x0000ffff },
1252                 { NIG_REG_LLH0_VLAN_ID_0,            160, 0x00000fff },
1253                 { NIG_REG_XGXS_SERDES0_MODE_SEL,       4, 0x00000001 },
1254                 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
1255                 { NIG_REG_STATUS_INTERRUPT_PORT0,      4, 0x07ffffff },
1256                 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
1257                 { NIG_REG_SERDES0_CTRL_PHY_ADDR,      16, 0x0000001f },
1258
1259                 { 0xffffffff, 0, 0x00000000 }
1260         };
1261
1262         if (!netif_running(bp->dev))
1263                 return rc;
1264
1265         /* Repeat the test twice:
1266            First by writing 0x00000000, second by writing 0xffffffff */
1267         for (idx = 0; idx < 2; idx++) {
1268
1269                 switch (idx) {
1270                 case 0:
1271                         wr_val = 0;
1272                         break;
1273                 case 1:
1274                         wr_val = 0xffffffff;
1275                         break;
1276                 }
1277
1278                 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
1279                         u32 offset, mask, save_val, val;
1280                         if (CHIP_IS_E2(bp) &&
1281                             reg_tbl[i].offset0 == HC_REG_AGG_INT_0)
1282                                 continue;
1283
1284                         offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
1285                         mask = reg_tbl[i].mask;
1286
1287                         save_val = REG_RD(bp, offset);
1288
1289                         REG_WR(bp, offset, (wr_val & mask));
1290
1291                         val = REG_RD(bp, offset);
1292
1293                         /* Restore the original register's value */
1294                         REG_WR(bp, offset, save_val);
1295
1296                         /* verify value is as expected */
1297                         if ((val & mask) != (wr_val & mask)) {
1298                                 DP(NETIF_MSG_PROBE,
1299                                    "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
1300                                    offset, val, wr_val, mask);
1301                                 goto test_reg_exit;
1302                         }
1303                 }
1304         }
1305
1306         rc = 0;
1307
1308 test_reg_exit:
1309         return rc;
1310 }
1311
1312 static int bnx2x_test_memory(struct bnx2x *bp)
1313 {
1314         int i, j, rc = -ENODEV;
1315         u32 val;
1316         static const struct {
1317                 u32 offset;
1318                 int size;
1319         } mem_tbl[] = {
1320                 { CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
1321                 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
1322                 { CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
1323                 { DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
1324                 { TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
1325                 { UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
1326                 { XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },
1327
1328                 { 0xffffffff, 0 }
1329         };
1330         static const struct {
1331                 char *name;
1332                 u32 offset;
1333                 u32 e1_mask;
1334                 u32 e1h_mask;
1335                 u32 e2_mask;
1336         } prty_tbl[] = {
1337                 { "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,   0x3ffc0, 0,   0 },
1338                 { "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,   0x2,     0x2, 0 },
1339                 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0,       0,   0 },
1340                 { "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,   0x3ffc0, 0,   0 },
1341                 { "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,   0x3ffc0, 0,   0 },
1342                 { "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,   0x3ffc1, 0,   0 },
1343
1344                 { NULL, 0xffffffff, 0, 0, 0 }
1345         };
1346
1347         if (!netif_running(bp->dev))
1348                 return rc;
1349
1350         /* pre-Check the parity status */
1351         for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
1352                 val = REG_RD(bp, prty_tbl[i].offset);
1353                 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
1354                     (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask))) ||
1355                     (CHIP_IS_E2(bp) && (val & ~(prty_tbl[i].e2_mask)))) {
1356                         DP(NETIF_MSG_HW,
1357                            "%s is 0x%x\n", prty_tbl[i].name, val);
1358                         goto test_mem_exit;
1359                 }
1360         }
1361
1362         /* Go through all the memories */
1363         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
1364                 for (j = 0; j < mem_tbl[i].size; j++)
1365                         REG_RD(bp, mem_tbl[i].offset + j*4);
1366
1367         /* Check the parity status */
1368         for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
1369                 val = REG_RD(bp, prty_tbl[i].offset);
1370                 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
1371                     (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask))) ||
1372                     (CHIP_IS_E2(bp) && (val & ~(prty_tbl[i].e2_mask)))) {
1373                         DP(NETIF_MSG_HW,
1374                            "%s is 0x%x\n", prty_tbl[i].name, val);
1375                         goto test_mem_exit;
1376                 }
1377         }
1378
1379         rc = 0;
1380
1381 test_mem_exit:
1382         return rc;
1383 }
1384
1385 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
1386 {
1387         int cnt = 1400;
1388
1389         if (link_up)
1390                 while (bnx2x_link_test(bp, is_serdes) && cnt--)
1391                         msleep(10);
1392 }
1393
1394 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
1395 {
1396         unsigned int pkt_size, num_pkts, i;
1397         struct sk_buff *skb;
1398         unsigned char *packet;
1399         struct bnx2x_fastpath *fp_rx = &bp->fp[0];
1400         struct bnx2x_fastpath *fp_tx = &bp->fp[0];
1401         u16 tx_start_idx, tx_idx;
1402         u16 rx_start_idx, rx_idx;
1403         u16 pkt_prod, bd_prod;
1404         struct sw_tx_bd *tx_buf;
1405         struct eth_tx_start_bd *tx_start_bd;
1406         struct eth_tx_parse_bd_e1x  *pbd_e1x = NULL;
1407         struct eth_tx_parse_bd_e2  *pbd_e2 = NULL;
1408         dma_addr_t mapping;
1409         union eth_rx_cqe *cqe;
1410         u8 cqe_fp_flags;
1411         struct sw_rx_bd *rx_buf;
1412         u16 len;
1413         int rc = -ENODEV;
1414
1415         /* check the loopback mode */
1416         switch (loopback_mode) {
1417         case BNX2X_PHY_LOOPBACK:
1418                 if (bp->link_params.loopback_mode != LOOPBACK_XGXS)
1419                         return -EINVAL;
1420                 break;
1421         case BNX2X_MAC_LOOPBACK:
1422                 bp->link_params.loopback_mode = LOOPBACK_BMAC;
1423                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1424                 break;
1425         default:
1426                 return -EINVAL;
1427         }
1428
1429         /* prepare the loopback packet */
1430         pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
1431                      bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
1432         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1433         if (!skb) {
1434                 rc = -ENOMEM;
1435                 goto test_loopback_exit;
1436         }
1437         packet = skb_put(skb, pkt_size);
1438         memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
1439         memset(packet + ETH_ALEN, 0, ETH_ALEN);
1440         memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
1441         for (i = ETH_HLEN; i < pkt_size; i++)
1442                 packet[i] = (unsigned char) (i & 0xff);
1443
1444         /* send the loopback packet */
1445         num_pkts = 0;
1446         tx_start_idx = le16_to_cpu(*fp_tx->tx_cons_sb);
1447         rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
1448
1449         pkt_prod = fp_tx->tx_pkt_prod++;
1450         tx_buf = &fp_tx->tx_buf_ring[TX_BD(pkt_prod)];
1451         tx_buf->first_bd = fp_tx->tx_bd_prod;
1452         tx_buf->skb = skb;
1453         tx_buf->flags = 0;
1454
1455         bd_prod = TX_BD(fp_tx->tx_bd_prod);
1456         tx_start_bd = &fp_tx->tx_desc_ring[bd_prod].start_bd;
1457         mapping = dma_map_single(&bp->pdev->dev, skb->data,
1458                                  skb_headlen(skb), DMA_TO_DEVICE);
1459         tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1460         tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1461         tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
1462         tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
1463         tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
1464         tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
1465         SET_FLAG(tx_start_bd->general_data,
1466                  ETH_TX_START_BD_ETH_ADDR_TYPE,
1467                  UNICAST_ADDRESS);
1468         SET_FLAG(tx_start_bd->general_data,
1469                  ETH_TX_START_BD_HDR_NBDS,
1470                  1);
1471
1472         /* turn on parsing and get a BD */
1473         bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
1474
1475         pbd_e1x = &fp_tx->tx_desc_ring[bd_prod].parse_bd_e1x;
1476         pbd_e2 = &fp_tx->tx_desc_ring[bd_prod].parse_bd_e2;
1477
1478         memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
1479         memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
1480
1481         wmb();
1482
1483         fp_tx->tx_db.data.prod += 2;
1484         barrier();
1485         DOORBELL(bp, fp_tx->index, fp_tx->tx_db.raw);
1486
1487         mmiowb();
1488
1489         num_pkts++;
1490         fp_tx->tx_bd_prod += 2; /* start + pbd */
1491
1492         udelay(100);
1493
1494         tx_idx = le16_to_cpu(*fp_tx->tx_cons_sb);
1495         if (tx_idx != tx_start_idx + num_pkts)
1496                 goto test_loopback_exit;
1497
1498         /* Unlike HC IGU won't generate an interrupt for status block
1499          * updates that have been performed while interrupts were
1500          * disabled.
1501          */
1502         if (bp->common.int_block == INT_BLOCK_IGU) {
1503                 /* Disable local BHes to prevent a dead-lock situation between
1504                  * sch_direct_xmit() and bnx2x_run_loopback() (calling
1505                  * bnx2x_tx_int()), as both are taking netif_tx_lock().
1506                  */
1507                 local_bh_disable();
1508                 bnx2x_tx_int(fp_tx);
1509                 local_bh_enable();
1510         }
1511
1512         rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
1513         if (rx_idx != rx_start_idx + num_pkts)
1514                 goto test_loopback_exit;
1515
1516         cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
1517         cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1518         if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
1519                 goto test_loopback_rx_exit;
1520
1521         len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1522         if (len != pkt_size)
1523                 goto test_loopback_rx_exit;
1524
1525         rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
1526         skb = rx_buf->skb;
1527         skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
1528         for (i = ETH_HLEN; i < pkt_size; i++)
1529                 if (*(skb->data + i) != (unsigned char) (i & 0xff))
1530                         goto test_loopback_rx_exit;
1531
1532         rc = 0;
1533
1534 test_loopback_rx_exit:
1535
1536         fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
1537         fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
1538         fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
1539         fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);
1540
1541         /* Update producers */
1542         bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
1543                              fp_rx->rx_sge_prod);
1544
1545 test_loopback_exit:
1546         bp->link_params.loopback_mode = LOOPBACK_NONE;
1547
1548         return rc;
1549 }
1550
1551 static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
1552 {
1553         int rc = 0, res;
1554
1555         if (BP_NOMCP(bp))
1556                 return rc;
1557
1558         if (!netif_running(bp->dev))
1559                 return BNX2X_LOOPBACK_FAILED;
1560
1561         bnx2x_netif_stop(bp, 1);
1562         bnx2x_acquire_phy_lock(bp);
1563
1564         res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up);
1565         if (res) {
1566                 DP(NETIF_MSG_PROBE, "  PHY loopback failed  (res %d)\n", res);
1567                 rc |= BNX2X_PHY_LOOPBACK_FAILED;
1568         }
1569
1570         res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up);
1571         if (res) {
1572                 DP(NETIF_MSG_PROBE, "  MAC loopback failed  (res %d)\n", res);
1573                 rc |= BNX2X_MAC_LOOPBACK_FAILED;
1574         }
1575
1576         bnx2x_release_phy_lock(bp);
1577         bnx2x_netif_start(bp);
1578
1579         return rc;
1580 }
1581
1582 #define CRC32_RESIDUAL                  0xdebb20e3
1583
1584 static int bnx2x_test_nvram(struct bnx2x *bp)
1585 {
1586         static const struct {
1587                 int offset;
1588                 int size;
1589         } nvram_tbl[] = {
1590                 {     0,  0x14 }, /* bootstrap */
1591                 {  0x14,  0xec }, /* dir */
1592                 { 0x100, 0x350 }, /* manuf_info */
1593                 { 0x450,  0xf0 }, /* feature_info */
1594                 { 0x640,  0x64 }, /* upgrade_key_info */
1595                 { 0x6a4,  0x64 },
1596                 { 0x708,  0x70 }, /* manuf_key_info */
1597                 { 0x778,  0x70 },
1598                 {     0,     0 }
1599         };
1600         __be32 buf[0x350 / 4];
1601         u8 *data = (u8 *)buf;
1602         int i, rc;
1603         u32 magic, crc;
1604
1605         if (BP_NOMCP(bp))
1606                 return 0;
1607
1608         rc = bnx2x_nvram_read(bp, 0, data, 4);
1609         if (rc) {
1610                 DP(NETIF_MSG_PROBE, "magic value read (rc %d)\n", rc);
1611                 goto test_nvram_exit;
1612         }
1613
1614         magic = be32_to_cpu(buf[0]);
1615         if (magic != 0x669955aa) {
1616                 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
1617                 rc = -ENODEV;
1618                 goto test_nvram_exit;
1619         }
1620
1621         for (i = 0; nvram_tbl[i].size; i++) {
1622
1623                 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
1624                                       nvram_tbl[i].size);
1625                 if (rc) {
1626                         DP(NETIF_MSG_PROBE,
1627                            "nvram_tbl[%d] read data (rc %d)\n", i, rc);
1628                         goto test_nvram_exit;
1629                 }
1630
1631                 crc = ether_crc_le(nvram_tbl[i].size, data);
1632                 if (crc != CRC32_RESIDUAL) {
1633                         DP(NETIF_MSG_PROBE,
1634                            "nvram_tbl[%d] crc value (0x%08x)\n", i, crc);
1635                         rc = -ENODEV;
1636                         goto test_nvram_exit;
1637                 }
1638         }
1639
1640 test_nvram_exit:
1641         return rc;
1642 }
1643
1644 static int bnx2x_test_intr(struct bnx2x *bp)
1645 {
1646         struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
1647         int i, rc;
1648
1649         if (!netif_running(bp->dev))
1650                 return -ENODEV;
1651
1652         config->hdr.length = 0;
1653         if (CHIP_IS_E1(bp))
1654                 config->hdr.offset = (BP_PORT(bp) ? 32 : 0);
1655         else
1656                 config->hdr.offset = BP_FUNC(bp);
1657         config->hdr.client_id = bp->fp->cl_id;
1658         config->hdr.reserved1 = 0;
1659
1660         bp->set_mac_pending++;
1661         smp_wmb();
1662         rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
1663                            U64_HI(bnx2x_sp_mapping(bp, mac_config)),
1664                            U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
1665         if (rc == 0) {
1666                 for (i = 0; i < 10; i++) {
1667                         if (!bp->set_mac_pending)
1668                                 break;
1669                         smp_rmb();
1670                         msleep_interruptible(10);
1671                 }
1672                 if (i == 10)
1673                         rc = -ENODEV;
1674         }
1675
1676         return rc;
1677 }
1678
1679 static void bnx2x_self_test(struct net_device *dev,
1680                             struct ethtool_test *etest, u64 *buf)
1681 {
1682         struct bnx2x *bp = netdev_priv(dev);
1683         u8 is_serdes;
1684         if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1685                 printk(KERN_ERR "Handling parity error recovery. Try again later\n");
1686                 etest->flags |= ETH_TEST_FL_FAILED;
1687                 return;
1688         }
1689
1690         memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
1691
1692         if (!netif_running(dev))
1693                 return;
1694
1695         /* offline tests are not supported in MF mode */
1696         if (IS_MF(bp))
1697                 etest->flags &= ~ETH_TEST_FL_OFFLINE;
1698         is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
1699
1700         if (etest->flags & ETH_TEST_FL_OFFLINE) {
1701                 int port = BP_PORT(bp);
1702                 u32 val;
1703                 u8 link_up;
1704
1705                 /* save current value of input enable for TX port IF */
1706                 val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
1707                 /* disable input for TX port IF */
1708                 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
1709
1710                 link_up = bp->link_vars.link_up;
1711
1712                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
1713                 bnx2x_nic_load(bp, LOAD_DIAG);
1714                 /* wait until link state is restored */
1715                 bnx2x_wait_for_link(bp, link_up, is_serdes);
1716
1717                 if (bnx2x_test_registers(bp) != 0) {
1718                         buf[0] = 1;
1719                         etest->flags |= ETH_TEST_FL_FAILED;
1720                 }
1721                 if (bnx2x_test_memory(bp) != 0) {
1722                         buf[1] = 1;
1723                         etest->flags |= ETH_TEST_FL_FAILED;
1724                 }
1725
1726                 buf[2] = bnx2x_test_loopback(bp, link_up);
1727                 if (buf[2] != 0)
1728                         etest->flags |= ETH_TEST_FL_FAILED;
1729
1730                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
1731
1732                 /* restore input for TX port IF */
1733                 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
1734
1735                 bnx2x_nic_load(bp, LOAD_NORMAL);
1736                 /* wait until link state is restored */
1737                 bnx2x_wait_for_link(bp, link_up, is_serdes);
1738         }
1739         if (bnx2x_test_nvram(bp) != 0) {
1740                 buf[3] = 1;
1741                 etest->flags |= ETH_TEST_FL_FAILED;
1742         }
1743         if (bnx2x_test_intr(bp) != 0) {
1744                 buf[4] = 1;
1745                 etest->flags |= ETH_TEST_FL_FAILED;
1746         }
1747         if (bp->port.pmf)
1748                 if (bnx2x_link_test(bp, is_serdes) != 0) {
1749                         buf[5] = 1;
1750                         etest->flags |= ETH_TEST_FL_FAILED;
1751                 }
1752
1753 #ifdef BNX2X_EXTRA_DEBUG
1754         bnx2x_panic_dump(bp);
1755 #endif
1756 }
1757
1758 static const struct {
1759         long offset;
1760         int size;
1761         u8 string[ETH_GSTRING_LEN];
1762 } bnx2x_q_stats_arr[BNX2X_NUM_Q_STATS] = {
1763 /* 1 */ { Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%d]: rx_bytes" },
1764         { Q_STATS_OFFSET32(error_bytes_received_hi),
1765                                                 8, "[%d]: rx_error_bytes" },
1766         { Q_STATS_OFFSET32(total_unicast_packets_received_hi),
1767                                                 8, "[%d]: rx_ucast_packets" },
1768         { Q_STATS_OFFSET32(total_multicast_packets_received_hi),
1769                                                 8, "[%d]: rx_mcast_packets" },
1770         { Q_STATS_OFFSET32(total_broadcast_packets_received_hi),
1771                                                 8, "[%d]: rx_bcast_packets" },
1772         { Q_STATS_OFFSET32(no_buff_discard_hi), 8, "[%d]: rx_discards" },
1773         { Q_STATS_OFFSET32(rx_err_discard_pkt),
1774                                          4, "[%d]: rx_phy_ip_err_discards"},
1775         { Q_STATS_OFFSET32(rx_skb_alloc_failed),
1776                                          4, "[%d]: rx_skb_alloc_discard" },
1777         { Q_STATS_OFFSET32(hw_csum_err), 4, "[%d]: rx_csum_offload_errors" },
1778
1779 /* 10 */{ Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%d]: tx_bytes" },
1780         { Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi),
1781                                                 8, "[%d]: tx_ucast_packets" },
1782         { Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi),
1783                                                 8, "[%d]: tx_mcast_packets" },
1784         { Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
1785                                                 8, "[%d]: tx_bcast_packets" }
1786 };
1787
1788 static const struct {
1789         long offset;
1790         int size;
1791         u32 flags;
1792 #define STATS_FLAGS_PORT                1
1793 #define STATS_FLAGS_FUNC                2
1794 #define STATS_FLAGS_BOTH                (STATS_FLAGS_FUNC | STATS_FLAGS_PORT)
1795         u8 string[ETH_GSTRING_LEN];
1796 } bnx2x_stats_arr[BNX2X_NUM_STATS] = {
1797 /* 1 */ { STATS_OFFSET32(total_bytes_received_hi),
1798                                 8, STATS_FLAGS_BOTH, "rx_bytes" },
1799         { STATS_OFFSET32(error_bytes_received_hi),
1800                                 8, STATS_FLAGS_BOTH, "rx_error_bytes" },
1801         { STATS_OFFSET32(total_unicast_packets_received_hi),
1802                                 8, STATS_FLAGS_BOTH, "rx_ucast_packets" },
1803         { STATS_OFFSET32(total_multicast_packets_received_hi),
1804                                 8, STATS_FLAGS_BOTH, "rx_mcast_packets" },
1805         { STATS_OFFSET32(total_broadcast_packets_received_hi),
1806                                 8, STATS_FLAGS_BOTH, "rx_bcast_packets" },
1807         { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
1808                                 8, STATS_FLAGS_PORT, "rx_crc_errors" },
1809         { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
1810                                 8, STATS_FLAGS_PORT, "rx_align_errors" },
1811         { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
1812                                 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
1813         { STATS_OFFSET32(etherstatsoverrsizepkts_hi),
1814                                 8, STATS_FLAGS_PORT, "rx_oversize_packets" },
1815 /* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
1816                                 8, STATS_FLAGS_PORT, "rx_fragments" },
1817         { STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
1818                                 8, STATS_FLAGS_PORT, "rx_jabbers" },
1819         { STATS_OFFSET32(no_buff_discard_hi),
1820                                 8, STATS_FLAGS_BOTH, "rx_discards" },
1821         { STATS_OFFSET32(mac_filter_discard),
1822                                 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
1823         { STATS_OFFSET32(xxoverflow_discard),
1824                                 4, STATS_FLAGS_PORT, "rx_fw_discards" },
1825         { STATS_OFFSET32(brb_drop_hi),
1826                                 8, STATS_FLAGS_PORT, "rx_brb_discard" },
1827         { STATS_OFFSET32(brb_truncate_hi),
1828                                 8, STATS_FLAGS_PORT, "rx_brb_truncate" },
1829         { STATS_OFFSET32(pause_frames_received_hi),
1830                                 8, STATS_FLAGS_PORT, "rx_pause_frames" },
1831         { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
1832                                 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
1833         { STATS_OFFSET32(nig_timer_max),
1834                         4, STATS_FLAGS_PORT, "rx_constant_pause_events" },
1835 /* 20 */{ STATS_OFFSET32(rx_err_discard_pkt),
1836                                 4, STATS_FLAGS_BOTH, "rx_phy_ip_err_discards"},
1837         { STATS_OFFSET32(rx_skb_alloc_failed),
1838                                 4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" },
1839         { STATS_OFFSET32(hw_csum_err),
1840                                 4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" },
1841
1842         { STATS_OFFSET32(total_bytes_transmitted_hi),
1843                                 8, STATS_FLAGS_BOTH, "tx_bytes" },
1844         { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
1845                                 8, STATS_FLAGS_PORT, "tx_error_bytes" },
1846         { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
1847                                 8, STATS_FLAGS_BOTH, "tx_ucast_packets" },
1848         { STATS_OFFSET32(total_multicast_packets_transmitted_hi),
1849                                 8, STATS_FLAGS_BOTH, "tx_mcast_packets" },
1850         { STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
1851                                 8, STATS_FLAGS_BOTH, "tx_bcast_packets" },
1852         { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
1853                                 8, STATS_FLAGS_PORT, "tx_mac_errors" },
1854         { STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
1855                                 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
1856 /* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
1857                                 8, STATS_FLAGS_PORT, "tx_single_collisions" },
1858         { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
1859                                 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
1860         { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
1861                                 8, STATS_FLAGS_PORT, "tx_deferred" },
1862         { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
1863                                 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
1864         { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
1865                                 8, STATS_FLAGS_PORT, "tx_late_collisions" },
1866         { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
1867                                 8, STATS_FLAGS_PORT, "tx_total_collisions" },
1868         { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
1869                                 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
1870         { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
1871                         8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
1872         { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
1873                         8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
1874         { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
1875                         8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
1876 /* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
1877                         8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
1878         { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
1879                         8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
1880         { STATS_OFFSET32(etherstatspktsover1522octets_hi),
1881                         8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
1882         { STATS_OFFSET32(pause_frames_sent_hi),
1883                                 8, STATS_FLAGS_PORT, "tx_pause_frames" }
1884 };
1885
1886 #define IS_PORT_STAT(i) \
1887         ((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT)
1888 #define IS_FUNC_STAT(i)         (bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC)
1889 #define IS_MF_MODE_STAT(bp) \
1890                         (IS_MF(bp) && !(bp->msg_enable & BNX2X_MSG_STATS))
1891
1892 static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
1893 {
1894         struct bnx2x *bp = netdev_priv(dev);
1895         int i, num_stats;
1896
1897         switch (stringset) {
1898         case ETH_SS_STATS:
1899                 if (is_multi(bp)) {
1900                         num_stats = BNX2X_NUM_Q_STATS * bp->num_queues;
1901                         if (!IS_MF_MODE_STAT(bp))
1902                                 num_stats += BNX2X_NUM_STATS;
1903                 } else {
1904                         if (IS_MF_MODE_STAT(bp)) {
1905                                 num_stats = 0;
1906                                 for (i = 0; i < BNX2X_NUM_STATS; i++)
1907                                         if (IS_FUNC_STAT(i))
1908                                                 num_stats++;
1909                         } else
1910                                 num_stats = BNX2X_NUM_STATS;
1911                 }
1912                 return num_stats;
1913
1914         case ETH_SS_TEST:
1915                 return BNX2X_NUM_TESTS;
1916
1917         default:
1918                 return -EINVAL;
1919         }
1920 }
1921
1922 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
1923 {
1924         struct bnx2x *bp = netdev_priv(dev);
1925         int i, j, k;
1926
1927         switch (stringset) {
1928         case ETH_SS_STATS:
1929                 if (is_multi(bp)) {
1930                         k = 0;
1931                         for_each_queue(bp, i) {
1932                                 for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
1933                                         sprintf(buf + (k + j)*ETH_GSTRING_LEN,
1934                                                 bnx2x_q_stats_arr[j].string, i);
1935                                 k += BNX2X_NUM_Q_STATS;
1936                         }
1937                         if (IS_MF_MODE_STAT(bp))
1938                                 break;
1939                         for (j = 0; j < BNX2X_NUM_STATS; j++)
1940                                 strcpy(buf + (k + j)*ETH_GSTRING_LEN,
1941                                        bnx2x_stats_arr[j].string);
1942                 } else {
1943                         for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
1944                                 if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
1945                                         continue;
1946                                 strcpy(buf + j*ETH_GSTRING_LEN,
1947                                        bnx2x_stats_arr[i].string);
1948                                 j++;
1949                         }
1950                 }
1951                 break;
1952
1953         case ETH_SS_TEST:
1954                 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
1955                 break;
1956         }
1957 }
1958
1959 static void bnx2x_get_ethtool_stats(struct net_device *dev,
1960                                     struct ethtool_stats *stats, u64 *buf)
1961 {
1962         struct bnx2x *bp = netdev_priv(dev);
1963         u32 *hw_stats, *offset;
1964         int i, j, k;
1965
1966         if (is_multi(bp)) {
1967                 k = 0;
1968                 for_each_queue(bp, i) {
1969                         hw_stats = (u32 *)&bp->fp[i].eth_q_stats;
1970                         for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
1971                                 if (bnx2x_q_stats_arr[j].size == 0) {
1972                                         /* skip this counter */
1973                                         buf[k + j] = 0;
1974                                         continue;
1975                                 }
1976                                 offset = (hw_stats +
1977                                           bnx2x_q_stats_arr[j].offset);
1978                                 if (bnx2x_q_stats_arr[j].size == 4) {
1979                                         /* 4-byte counter */
1980                                         buf[k + j] = (u64) *offset;
1981                                         continue;
1982                                 }
1983                                 /* 8-byte counter */
1984                                 buf[k + j] = HILO_U64(*offset, *(offset + 1));
1985                         }
1986                         k += BNX2X_NUM_Q_STATS;
1987                 }
1988                 if (IS_MF_MODE_STAT(bp))
1989                         return;
1990                 hw_stats = (u32 *)&bp->eth_stats;
1991                 for (j = 0; j < BNX2X_NUM_STATS; j++) {
1992                         if (bnx2x_stats_arr[j].size == 0) {
1993                                 /* skip this counter */
1994                                 buf[k + j] = 0;
1995                                 continue;
1996                         }
1997                         offset = (hw_stats + bnx2x_stats_arr[j].offset);
1998                         if (bnx2x_stats_arr[j].size == 4) {
1999                                 /* 4-byte counter */
2000                                 buf[k + j] = (u64) *offset;
2001                                 continue;
2002                         }
2003                         /* 8-byte counter */
2004                         buf[k + j] = HILO_U64(*offset, *(offset + 1));
2005                 }
2006         } else {
2007                 hw_stats = (u32 *)&bp->eth_stats;
2008                 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
2009                         if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
2010                                 continue;
2011                         if (bnx2x_stats_arr[i].size == 0) {
2012                                 /* skip this counter */
2013                                 buf[j] = 0;
2014                                 j++;
2015                                 continue;
2016                         }
2017                         offset = (hw_stats + bnx2x_stats_arr[i].offset);
2018                         if (bnx2x_stats_arr[i].size == 4) {
2019                                 /* 4-byte counter */
2020                                 buf[j] = (u64) *offset;
2021                                 j++;
2022                                 continue;
2023                         }
2024                         /* 8-byte counter */
2025                         buf[j] = HILO_U64(*offset, *(offset + 1));
2026                         j++;
2027                 }
2028         }
2029 }
2030
2031 static int bnx2x_phys_id(struct net_device *dev, u32 data)
2032 {
2033         struct bnx2x *bp = netdev_priv(dev);
2034         int i;
2035
2036         if (!netif_running(dev))
2037                 return 0;
2038
2039         if (!bp->port.pmf)
2040                 return 0;
2041
2042         if (data == 0)
2043                 data = 2;
2044
2045         for (i = 0; i < (data * 2); i++) {
2046                 if ((i % 2) == 0)
2047                         bnx2x_set_led(&bp->link_params, &bp->link_vars,
2048                                       LED_MODE_OPER, SPEED_1000);
2049                 else
2050                         bnx2x_set_led(&bp->link_params, &bp->link_vars,
2051                                       LED_MODE_OFF, 0);
2052
2053                 msleep_interruptible(500);
2054                 if (signal_pending(current))
2055                         break;
2056         }
2057
2058         if (bp->link_vars.link_up)
2059                 bnx2x_set_led(&bp->link_params, &bp->link_vars, LED_MODE_OPER,
2060                               bp->link_vars.line_speed);
2061
2062         return 0;
2063 }
2064
2065 static const struct ethtool_ops bnx2x_ethtool_ops = {
2066         .get_settings           = bnx2x_get_settings,
2067         .set_settings           = bnx2x_set_settings,
2068         .get_drvinfo            = bnx2x_get_drvinfo,
2069         .get_regs_len           = bnx2x_get_regs_len,
2070         .get_regs               = bnx2x_get_regs,
2071         .get_wol                = bnx2x_get_wol,
2072         .set_wol                = bnx2x_set_wol,
2073         .get_msglevel           = bnx2x_get_msglevel,
2074         .set_msglevel           = bnx2x_set_msglevel,
2075         .nway_reset             = bnx2x_nway_reset,
2076         .get_link               = bnx2x_get_link,
2077         .get_eeprom_len         = bnx2x_get_eeprom_len,
2078         .get_eeprom             = bnx2x_get_eeprom,
2079         .set_eeprom             = bnx2x_set_eeprom,
2080         .get_coalesce           = bnx2x_get_coalesce,
2081         .set_coalesce           = bnx2x_set_coalesce,
2082         .get_ringparam          = bnx2x_get_ringparam,
2083         .set_ringparam          = bnx2x_set_ringparam,
2084         .get_pauseparam         = bnx2x_get_pauseparam,
2085         .set_pauseparam         = bnx2x_set_pauseparam,
2086         .get_rx_csum            = bnx2x_get_rx_csum,
2087         .set_rx_csum            = bnx2x_set_rx_csum,
2088         .get_tx_csum            = ethtool_op_get_tx_csum,
2089         .set_tx_csum            = ethtool_op_set_tx_hw_csum,
2090         .set_flags              = bnx2x_set_flags,
2091         .get_flags              = ethtool_op_get_flags,
2092         .get_sg                 = ethtool_op_get_sg,
2093         .set_sg                 = ethtool_op_set_sg,
2094         .get_tso                = ethtool_op_get_tso,
2095         .set_tso                = bnx2x_set_tso,
2096         .self_test              = bnx2x_self_test,
2097         .get_sset_count         = bnx2x_get_sset_count,
2098         .get_strings            = bnx2x_get_strings,
2099         .phys_id                = bnx2x_phys_id,
2100         .get_ethtool_stats      = bnx2x_get_ethtool_stats,
2101 };
2102
2103 void bnx2x_set_ethtool_ops(struct net_device *netdev)
2104 {
2105         SET_ETHTOOL_OPS(netdev, &bnx2x_ethtool_ops);
2106 }