drivers/net/bnx2x/bnx2x_stats.c

   1 /* bnx2x_stats.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 "bnx2x_cmn.h"
  18 #include "bnx2x_stats.h"
  19
  20 /* Statistics */
  21
  22 /****************************************************************************
  23 * Macros
  24 ****************************************************************************/
  25
  26 /* sum[hi:lo] += add[hi:lo] */
  27 #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
  28         do { \
  29                 s_lo += a_lo; \
  30                 s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \
  31         } while (0)
  32
  33 /* difference = minuend - subtrahend */
  34 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
  35         do { \
  36                 if (m_lo < s_lo) { \
  37                         /* underflow */ \
  38                         d_hi = m_hi - s_hi; \
  39                         if (d_hi > 0) { \
  40                                 /* we can 'loan' 1 */ \
  41                                 d_hi--; \
  42                                 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
  43                         } else { \
  44                                 /* m_hi <= s_hi */ \
  45                                 d_hi = 0; \
  46                                 d_lo = 0; \
  47                         } \
  48                 } else { \
  49                         /* m_lo >= s_lo */ \
  50                         if (m_hi < s_hi) { \
  51                                 d_hi = 0; \
  52                                 d_lo = 0; \
  53                         } else { \
  54                                 /* m_hi >= s_hi */ \
  55                                 d_hi = m_hi - s_hi; \
  56                                 d_lo = m_lo - s_lo; \
  57                         } \
  58                 } \
  59         } while (0)
  60
  61 #define UPDATE_STAT64(s, t) \
  62         do { \
  63                 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
  64                         diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
  65                 pstats->mac_stx[0].t##_hi = new->s##_hi; \
  66                 pstats->mac_stx[0].t##_lo = new->s##_lo; \
  67                 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
  68                        pstats->mac_stx[1].t##_lo, diff.lo); \
  69         } while (0)
  70
  71 #define UPDATE_STAT64_NIG(s, t) \
  72         do { \
  73                 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
  74                         diff.lo, new->s##_lo, old->s##_lo); \
  75                 ADD_64(estats->t##_hi, diff.hi, \
  76                        estats->t##_lo, diff.lo); \
  77         } while (0)
  78
  79 /* sum[hi:lo] += add */
  80 #define ADD_EXTEND_64(s_hi, s_lo, a) \
  81         do { \
  82                 s_lo += a; \
  83                 s_hi += (s_lo < a) ? 1 : 0; \
  84         } while (0)
  85
  86 #define UPDATE_EXTEND_STAT(s) \
  87         do { \
  88                 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
  89                               pstats->mac_stx[1].s##_lo, \
  90                               new->s); \
  91         } while (0)
  92
  93 #define UPDATE_EXTEND_TSTAT(s, t) \
  94         do { \
  95                 diff = le32_to_cpu(tclient->s) - le32_to_cpu(old_tclient->s); \
  96                 old_tclient->s = tclient->s; \
  97                 ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
  98         } while (0)
  99
 100 #define UPDATE_EXTEND_USTAT(s, t) \
 101         do { \
 102                 diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
 103                 old_uclient->s = uclient->s; \
 104                 ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
 105         } while (0)
 106
 107 #define UPDATE_EXTEND_XSTAT(s, t) \
 108         do { \
 109                 diff = le32_to_cpu(xclient->s) - le32_to_cpu(old_xclient->s); \
 110                 old_xclient->s = xclient->s; \
 111                 ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
 112         } while (0)
 113
 114 /* minuend -= subtrahend */
 115 #define SUB_64(m_hi, s_hi, m_lo, s_lo) \
 116         do { \
 117                 DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \
 118         } while (0)
 119
 120 /* minuend[hi:lo] -= subtrahend */
 121 #define SUB_EXTEND_64(m_hi, m_lo, s) \
 122         do { \
 123                 SUB_64(m_hi, 0, m_lo, s); \
 124         } while (0)
 125
 126 #define SUB_EXTEND_USTAT(s, t) \
 127         do { \
 128                 diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
 129                 SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
 130         } while (0)
 131
 132 /*
 133  * General service functions
 134  */
 135
 136 static inline long bnx2x_hilo(u32 *hiref)
 137 {
 138         u32 lo = *(hiref + 1);
 139 #if (BITS_PER_LONG == 64)
 140         u32 hi = *hiref;
 141
 142         return HILO_U64(hi, lo);
 143 #else
 144         return lo;
 145 #endif
 146 }
 147
 148 /*
 149  * Init service functions
 150  */
 151
 152
 153 static void bnx2x_storm_stats_post(struct bnx2x *bp)
 154 {
 155         if (!bp->stats_pending) {
 156                 struct common_query_ramrod_data ramrod_data = {0};
 157                 int i, rc;
 158
 159                 spin_lock_bh(&bp->stats_lock);
 160
 161                 ramrod_data.drv_counter = bp->stats_counter++;
 162                 ramrod_data.collect_port = bp->port.pmf ? 1 : 0;
 163                 for_each_eth_queue(bp, i)
 164                         ramrod_data.ctr_id_vector |= (1 << bp->fp[i].cl_id);
 165
 166                 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STAT_QUERY, 0,
 167                                    ((u32 *)&ramrod_data)[1],
 168                                    ((u32 *)&ramrod_data)[0], 1);
 169                 if (rc == 0)
 170                         bp->stats_pending = 1;
 171
 172                 spin_unlock_bh(&bp->stats_lock);
 173         }
 174 }
 175
 176 static void bnx2x_hw_stats_post(struct bnx2x *bp)
 177 {
 178         struct dmae_command *dmae = &bp->stats_dmae;
 179         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 180
 181         *stats_comp = DMAE_COMP_VAL;
 182         if (CHIP_REV_IS_SLOW(bp))
 183                 return;
 184
 185         /* loader */
 186         if (bp->executer_idx) {
 187                 int loader_idx = PMF_DMAE_C(bp);
 188                 u32 opcode =  bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 189                                                  true, DMAE_COMP_GRC);
 190                 opcode = bnx2x_dmae_opcode_clr_src_reset(opcode);
 191
 192                 memset(dmae, 0, sizeof(struct dmae_command));
 193                 dmae->opcode = opcode;
 194                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
 195                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
 196                 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
 197                                      sizeof(struct dmae_command) *
 198                                      (loader_idx + 1)) >> 2;
 199                 dmae->dst_addr_hi = 0;
 200                 dmae->len = sizeof(struct dmae_command) >> 2;
 201                 if (CHIP_IS_E1(bp))
 202                         dmae->len--;
 203                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
 204                 dmae->comp_addr_hi = 0;
 205                 dmae->comp_val = 1;
 206
 207                 *stats_comp = 0;
 208                 bnx2x_post_dmae(bp, dmae, loader_idx);
 209
 210         } else if (bp->func_stx) {
 211                 *stats_comp = 0;
 212                 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
 213         }
 214 }
 215
 216 static int bnx2x_stats_comp(struct bnx2x *bp)
 217 {
 218         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 219         int cnt = 10;
 220
 221         might_sleep();
 222         while (*stats_comp != DMAE_COMP_VAL) {
 223                 if (!cnt) {
 224                         BNX2X_ERR("timeout waiting for stats finished\n");
 225                         break;
 226                 }
 227                 cnt--;
 228                 msleep(1);
 229         }
 230         return 1;
 231 }
 232
 233 /*
 234  * Statistics service functions
 235  */
 236
 237 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
 238 {
 239         struct dmae_command *dmae;
 240         u32 opcode;
 241         int loader_idx = PMF_DMAE_C(bp);
 242         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 243
 244         /* sanity */
 245         if (!IS_MF(bp) || !bp->port.pmf || !bp->port.port_stx) {
 246                 BNX2X_ERR("BUG!\n");
 247                 return;
 248         }
 249
 250         bp->executer_idx = 0;
 251
 252         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI, false, 0);
 253
 254         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 255         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_GRC);
 256         dmae->src_addr_lo = bp->port.port_stx >> 2;
 257         dmae->src_addr_hi = 0;
 258         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 259         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 260         dmae->len = DMAE_LEN32_RD_MAX;
 261         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 262         dmae->comp_addr_hi = 0;
 263         dmae->comp_val = 1;
 264
 265         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 266         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
 267         dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
 268         dmae->src_addr_hi = 0;
 269         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
 270                                    DMAE_LEN32_RD_MAX * 4);
 271         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
 272                                    DMAE_LEN32_RD_MAX * 4);
 273         dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
 274         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 275         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 276         dmae->comp_val = DMAE_COMP_VAL;
 277
 278         *stats_comp = 0;
 279         bnx2x_hw_stats_post(bp);
 280         bnx2x_stats_comp(bp);
 281 }
 282
 283 static void bnx2x_port_stats_init(struct bnx2x *bp)
 284 {
 285         struct dmae_command *dmae;
 286         int port = BP_PORT(bp);
 287         u32 opcode;
 288         int loader_idx = PMF_DMAE_C(bp);
 289         u32 mac_addr;
 290         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 291
 292         /* sanity */
 293         if (!bp->link_vars.link_up || !bp->port.pmf) {
 294                 BNX2X_ERR("BUG!\n");
 295                 return;
 296         }
 297
 298         bp->executer_idx = 0;
 299
 300         /* MCP */
 301         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 302                                     true, DMAE_COMP_GRC);
 303
 304         if (bp->port.port_stx) {
 305
 306                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 307                 dmae->opcode = opcode;
 308                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 309                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 310                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
 311                 dmae->dst_addr_hi = 0;
 312                 dmae->len = sizeof(struct host_port_stats) >> 2;
 313                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 314                 dmae->comp_addr_hi = 0;
 315                 dmae->comp_val = 1;
 316         }
 317
 318         if (bp->func_stx) {
 319
 320                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 321                 dmae->opcode = opcode;
 322                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 323                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 324                 dmae->dst_addr_lo = bp->func_stx >> 2;
 325                 dmae->dst_addr_hi = 0;
 326                 dmae->len = sizeof(struct host_func_stats) >> 2;
 327                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 328                 dmae->comp_addr_hi = 0;
 329                 dmae->comp_val = 1;
 330         }
 331
 332         /* MAC */
 333         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 334                                    true, DMAE_COMP_GRC);
 335
 336         if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
 337
 338                 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
 339                                    NIG_REG_INGRESS_BMAC0_MEM);
 340
 341                 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
 342                    BIGMAC_REGISTER_TX_STAT_GTBYT */
 343                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 344                 dmae->opcode = opcode;
 345                 if (CHIP_IS_E1x(bp)) {
 346                         dmae->src_addr_lo = (mac_addr +
 347                                      BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 348                         dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
 349                                      BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 350                 } else {
 351                         dmae->src_addr_lo = (mac_addr +
 352                                      BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 353                         dmae->len = (8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
 354                                      BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 355                 }
 356
 357                 dmae->src_addr_hi = 0;
 358                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 359                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 360                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 361                 dmae->comp_addr_hi = 0;
 362                 dmae->comp_val = 1;
 363
 364                 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
 365                    BIGMAC_REGISTER_RX_STAT_GRIPJ */
 366                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 367                 dmae->opcode = opcode;
 368                 dmae->src_addr_hi = 0;
 369                 if (CHIP_IS_E1x(bp)) {
 370                         dmae->src_addr_lo = (mac_addr +
 371                                              BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 372                         dmae->dst_addr_lo =
 373                                 U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 374                                 offsetof(struct bmac1_stats, rx_stat_gr64_lo));
 375                         dmae->dst_addr_hi =
 376                                 U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 377                                 offsetof(struct bmac1_stats, rx_stat_gr64_lo));
 378                         dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
 379                                      BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 380                 } else {
 381                         dmae->src_addr_lo =
 382                                 (mac_addr + BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 383                         dmae->dst_addr_lo =
 384                                 U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 385                                 offsetof(struct bmac2_stats, rx_stat_gr64_lo));
 386                         dmae->dst_addr_hi =
 387                                 U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 388                                 offsetof(struct bmac2_stats, rx_stat_gr64_lo));
 389                         dmae->len = (8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
 390                                      BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 391                 }
 392
 393                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 394                 dmae->comp_addr_hi = 0;
 395                 dmae->comp_val = 1;
 396
 397         } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
 398
 399                 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
 400
 401                 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
 402                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 403                 dmae->opcode = opcode;
 404                 dmae->src_addr_lo = (mac_addr +
 405                                      EMAC_REG_EMAC_RX_STAT_AC) >> 2;
 406                 dmae->src_addr_hi = 0;
 407                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 408                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 409                 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
 410                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 411                 dmae->comp_addr_hi = 0;
 412                 dmae->comp_val = 1;
 413
 414                 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
 415                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 416                 dmae->opcode = opcode;
 417                 dmae->src_addr_lo = (mac_addr +
 418                                      EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
 419                 dmae->src_addr_hi = 0;
 420                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 421                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 422                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 423                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 424                 dmae->len = 1;
 425                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 426                 dmae->comp_addr_hi = 0;
 427                 dmae->comp_val = 1;
 428
 429                 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
 430                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 431                 dmae->opcode = opcode;
 432                 dmae->src_addr_lo = (mac_addr +
 433                                      EMAC_REG_EMAC_TX_STAT_AC) >> 2;
 434                 dmae->src_addr_hi = 0;
 435                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 436                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 437                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 438                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 439                 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
 440                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 441                 dmae->comp_addr_hi = 0;
 442                 dmae->comp_val = 1;
 443         }
 444
 445         /* NIG */
 446         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 447         dmae->opcode = opcode;
 448         dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
 449                                     NIG_REG_STAT0_BRB_DISCARD) >> 2;
 450         dmae->src_addr_hi = 0;
 451         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
 452         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
 453         dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
 454         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 455         dmae->comp_addr_hi = 0;
 456         dmae->comp_val = 1;
 457
 458         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 459         dmae->opcode = opcode;
 460         dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
 461                                     NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
 462         dmae->src_addr_hi = 0;
 463         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 464                         offsetof(struct nig_stats, egress_mac_pkt0_lo));
 465         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 466                         offsetof(struct nig_stats, egress_mac_pkt0_lo));
 467         dmae->len = (2*sizeof(u32)) >> 2;
 468         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 469         dmae->comp_addr_hi = 0;
 470         dmae->comp_val = 1;
 471
 472         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 473         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 474                                          true, DMAE_COMP_PCI);
 475         dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
 476                                     NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
 477         dmae->src_addr_hi = 0;
 478         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 479                         offsetof(struct nig_stats, egress_mac_pkt1_lo));
 480         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 481                         offsetof(struct nig_stats, egress_mac_pkt1_lo));
 482         dmae->len = (2*sizeof(u32)) >> 2;
 483         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 484         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 485         dmae->comp_val = DMAE_COMP_VAL;
 486
 487         *stats_comp = 0;
 488 }
 489
 490 static void bnx2x_func_stats_init(struct bnx2x *bp)
 491 {
 492         struct dmae_command *dmae = &bp->stats_dmae;
 493         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 494
 495         /* sanity */
 496         if (!bp->func_stx) {
 497                 BNX2X_ERR("BUG!\n");
 498                 return;
 499         }
 500
 501         bp->executer_idx = 0;
 502         memset(dmae, 0, sizeof(struct dmae_command));
 503
 504         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 505                                          true, DMAE_COMP_PCI);
 506         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 507         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 508         dmae->dst_addr_lo = bp->func_stx >> 2;
 509         dmae->dst_addr_hi = 0;
 510         dmae->len = sizeof(struct host_func_stats) >> 2;
 511         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 512         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 513         dmae->comp_val = DMAE_COMP_VAL;
 514
 515         *stats_comp = 0;
 516 }
 517
 518 static void bnx2x_stats_start(struct bnx2x *bp)
 519 {
 520         if (bp->port.pmf)
 521                 bnx2x_port_stats_init(bp);
 522
 523         else if (bp->func_stx)
 524                 bnx2x_func_stats_init(bp);
 525
 526         bnx2x_hw_stats_post(bp);
 527         bnx2x_storm_stats_post(bp);
 528 }
 529
 530 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
 531 {
 532         bnx2x_stats_comp(bp);
 533         bnx2x_stats_pmf_update(bp);
 534         bnx2x_stats_start(bp);
 535 }
 536
 537 static void bnx2x_stats_restart(struct bnx2x *bp)
 538 {
 539         bnx2x_stats_comp(bp);
 540         bnx2x_stats_start(bp);
 541 }
 542
 543 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
 544 {
 545         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 546         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 547         struct {
 548                 u32 lo;
 549                 u32 hi;
 550         } diff;
 551
 552         if (CHIP_IS_E1x(bp)) {
 553                 struct bmac1_stats *new = bnx2x_sp(bp, mac_stats.bmac1_stats);
 554
 555                 /* the macros below will use "bmac1_stats" type */
 556                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 557                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 558                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 559                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 560                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 561                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 562                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 563                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 564                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_bmac_xpf);
 565                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 566                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 567                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 568                 UPDATE_STAT64(tx_stat_gt127,
 569                                 tx_stat_etherstatspkts65octetsto127octets);
 570                 UPDATE_STAT64(tx_stat_gt255,
 571                                 tx_stat_etherstatspkts128octetsto255octets);
 572                 UPDATE_STAT64(tx_stat_gt511,
 573                                 tx_stat_etherstatspkts256octetsto511octets);
 574                 UPDATE_STAT64(tx_stat_gt1023,
 575                                 tx_stat_etherstatspkts512octetsto1023octets);
 576                 UPDATE_STAT64(tx_stat_gt1518,
 577                                 tx_stat_etherstatspkts1024octetsto1522octets);
 578                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
 579                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
 580                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
 581                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
 582                 UPDATE_STAT64(tx_stat_gterr,
 583                                 tx_stat_dot3statsinternalmactransmiterrors);
 584                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
 585
 586         } else {
 587                 struct bmac2_stats *new = bnx2x_sp(bp, mac_stats.bmac2_stats);
 588
 589                 /* the macros below will use "bmac2_stats" type */
 590                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 591                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 592                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 593                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 594                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 595                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 596                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 597                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 598                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_bmac_xpf);
 599                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 600                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 601                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 602                 UPDATE_STAT64(tx_stat_gt127,
 603                                 tx_stat_etherstatspkts65octetsto127octets);
 604                 UPDATE_STAT64(tx_stat_gt255,
 605                                 tx_stat_etherstatspkts128octetsto255octets);
 606                 UPDATE_STAT64(tx_stat_gt511,
 607                                 tx_stat_etherstatspkts256octetsto511octets);
 608                 UPDATE_STAT64(tx_stat_gt1023,
 609                                 tx_stat_etherstatspkts512octetsto1023octets);
 610                 UPDATE_STAT64(tx_stat_gt1518,
 611                                 tx_stat_etherstatspkts1024octetsto1522octets);
 612                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
 613                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
 614                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
 615                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
 616                 UPDATE_STAT64(tx_stat_gterr,
 617                                 tx_stat_dot3statsinternalmactransmiterrors);
 618                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
 619         }
 620
 621         estats->pause_frames_received_hi =
 622                                 pstats->mac_stx[1].rx_stat_bmac_xpf_hi;
 623         estats->pause_frames_received_lo =
 624                                 pstats->mac_stx[1].rx_stat_bmac_xpf_lo;
 625
 626         estats->pause_frames_sent_hi =
 627                                 pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 628         estats->pause_frames_sent_lo =
 629                                 pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 630 }
 631
 632 static void bnx2x_emac_stats_update(struct bnx2x *bp)
 633 {
 634         struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
 635         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 636         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 637
 638         UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
 639         UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
 640         UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
 641         UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
 642         UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
 643         UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
 644         UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
 645         UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
 646         UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
 647         UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
 648         UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
 649         UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
 650         UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
 651         UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
 652         UPDATE_EXTEND_STAT(tx_stat_outxonsent);
 653         UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
 654         UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
 655         UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
 656         UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
 657         UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
 658         UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
 659         UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
 660         UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
 661         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
 662         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
 663         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
 664         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
 665         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
 666         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
 667         UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
 668         UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
 669
 670         estats->pause_frames_received_hi =
 671                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi;
 672         estats->pause_frames_received_lo =
 673                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo;
 674         ADD_64(estats->pause_frames_received_hi,
 675                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi,
 676                estats->pause_frames_received_lo,
 677                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo);
 678
 679         estats->pause_frames_sent_hi =
 680                         pstats->mac_stx[1].tx_stat_outxonsent_hi;
 681         estats->pause_frames_sent_lo =
 682                         pstats->mac_stx[1].tx_stat_outxonsent_lo;
 683         ADD_64(estats->pause_frames_sent_hi,
 684                pstats->mac_stx[1].tx_stat_outxoffsent_hi,
 685                estats->pause_frames_sent_lo,
 686                pstats->mac_stx[1].tx_stat_outxoffsent_lo);
 687 }
 688
 689 static int bnx2x_hw_stats_update(struct bnx2x *bp)
 690 {
 691         struct nig_stats *new = bnx2x_sp(bp, nig_stats);
 692         struct nig_stats *old = &(bp->port.old_nig_stats);
 693         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 694         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 695         struct {
 696                 u32 lo;
 697                 u32 hi;
 698         } diff;
 699
 700         if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
 701                 bnx2x_bmac_stats_update(bp);
 702
 703         else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
 704                 bnx2x_emac_stats_update(bp);
 705
 706         else { /* unreached */
 707                 BNX2X_ERR("stats updated by DMAE but no MAC active\n");
 708                 return -1;
 709         }
 710
 711         ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
 712                       new->brb_discard - old->brb_discard);
 713         ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
 714                       new->brb_truncate - old->brb_truncate);
 715
 716         UPDATE_STAT64_NIG(egress_mac_pkt0,
 717                                         etherstatspkts1024octetsto1522octets);
 718         UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
 719
 720         memcpy(old, new, sizeof(struct nig_stats));
 721
 722         memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
 723                sizeof(struct mac_stx));
 724         estats->brb_drop_hi = pstats->brb_drop_hi;
 725         estats->brb_drop_lo = pstats->brb_drop_lo;
 726
 727         pstats->host_port_stats_start = ++pstats->host_port_stats_end;
 728
 729         if (!BP_NOMCP(bp)) {
 730                 u32 nig_timer_max =
 731                         SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer);
 732                 if (nig_timer_max != estats->nig_timer_max) {
 733                         estats->nig_timer_max = nig_timer_max;
 734                         BNX2X_ERR("NIG timer max (%u)\n",
 735                                   estats->nig_timer_max);
 736                 }
 737         }
 738
 739         return 0;
 740 }
 741
 742 static int bnx2x_storm_stats_update(struct bnx2x *bp)
 743 {
 744         struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
 745         struct tstorm_per_port_stats *tport =
 746                                         &stats->tstorm_common.port_statistics;
 747         struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
 748         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 749         int i;
 750         u16 cur_stats_counter;
 751
 752         /* Make sure we use the value of the counter
 753          * used for sending the last stats ramrod.
 754          */
 755         spin_lock_bh(&bp->stats_lock);
 756         cur_stats_counter = bp->stats_counter - 1;
 757         spin_unlock_bh(&bp->stats_lock);
 758
 759         memcpy(&(fstats->total_bytes_received_hi),
 760                &(bnx2x_sp(bp, func_stats_base)->total_bytes_received_hi),
 761                sizeof(struct host_func_stats) - 2*sizeof(u32));
 762         estats->error_bytes_received_hi = 0;
 763         estats->error_bytes_received_lo = 0;
 764         estats->etherstatsoverrsizepkts_hi = 0;
 765         estats->etherstatsoverrsizepkts_lo = 0;
 766         estats->no_buff_discard_hi = 0;
 767         estats->no_buff_discard_lo = 0;
 768
 769         for_each_eth_queue(bp, i) {
 770                 struct bnx2x_fastpath *fp = &bp->fp[i];
 771                 int cl_id = fp->cl_id;
 772                 struct tstorm_per_client_stats *tclient =
 773                                 &stats->tstorm_common.client_statistics[cl_id];
 774                 struct tstorm_per_client_stats *old_tclient = &fp->old_tclient;
 775                 struct ustorm_per_client_stats *uclient =
 776                                 &stats->ustorm_common.client_statistics[cl_id];
 777                 struct ustorm_per_client_stats *old_uclient = &fp->old_uclient;
 778                 struct xstorm_per_client_stats *xclient =
 779                                 &stats->xstorm_common.client_statistics[cl_id];
 780                 struct xstorm_per_client_stats *old_xclient = &fp->old_xclient;
 781                 struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
 782                 u32 diff;
 783
 784                 /* are storm stats valid? */
 785                 if (le16_to_cpu(xclient->stats_counter) != cur_stats_counter) {
 786                         DP(BNX2X_MSG_STATS, "[%d] stats not updated by xstorm"
 787                            "  xstorm counter (0x%x) != stats_counter (0x%x)\n",
 788                            i, xclient->stats_counter, cur_stats_counter + 1);
 789                         return -1;
 790                 }
 791                 if (le16_to_cpu(tclient->stats_counter) != cur_stats_counter) {
 792                         DP(BNX2X_MSG_STATS, "[%d] stats not updated by tstorm"
 793                            "  tstorm counter (0x%x) != stats_counter (0x%x)\n",
 794                            i, tclient->stats_counter, cur_stats_counter + 1);
 795                         return -2;
 796                 }
 797                 if (le16_to_cpu(uclient->stats_counter) != cur_stats_counter) {
 798                         DP(BNX2X_MSG_STATS, "[%d] stats not updated by ustorm"
 799                            "  ustorm counter (0x%x) != stats_counter (0x%x)\n",
 800                            i, uclient->stats_counter, cur_stats_counter + 1);
 801                         return -4;
 802                 }
 803
 804                 qstats->total_bytes_received_hi =
 805                         le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
 806                 qstats->total_bytes_received_lo =
 807                         le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
 808
 809                 ADD_64(qstats->total_bytes_received_hi,
 810                        le32_to_cpu(tclient->rcv_multicast_bytes.hi),
 811                        qstats->total_bytes_received_lo,
 812                        le32_to_cpu(tclient->rcv_multicast_bytes.lo));
 813
 814                 ADD_64(qstats->total_bytes_received_hi,
 815                        le32_to_cpu(tclient->rcv_unicast_bytes.hi),
 816                        qstats->total_bytes_received_lo,
 817                        le32_to_cpu(tclient->rcv_unicast_bytes.lo));
 818
 819                 SUB_64(qstats->total_bytes_received_hi,
 820                        le32_to_cpu(uclient->bcast_no_buff_bytes.hi),
 821                        qstats->total_bytes_received_lo,
 822                        le32_to_cpu(uclient->bcast_no_buff_bytes.lo));
 823
 824                 SUB_64(qstats->total_bytes_received_hi,
 825                        le32_to_cpu(uclient->mcast_no_buff_bytes.hi),
 826                        qstats->total_bytes_received_lo,
 827                        le32_to_cpu(uclient->mcast_no_buff_bytes.lo));
 828
 829                 SUB_64(qstats->total_bytes_received_hi,
 830                        le32_to_cpu(uclient->ucast_no_buff_bytes.hi),
 831                        qstats->total_bytes_received_lo,
 832                        le32_to_cpu(uclient->ucast_no_buff_bytes.lo));
 833
 834                 qstats->valid_bytes_received_hi =
 835                                         qstats->total_bytes_received_hi;
 836                 qstats->valid_bytes_received_lo =
 837                                         qstats->total_bytes_received_lo;
 838
 839                 qstats->error_bytes_received_hi =
 840                                 le32_to_cpu(tclient->rcv_error_bytes.hi);
 841                 qstats->error_bytes_received_lo =
 842                                 le32_to_cpu(tclient->rcv_error_bytes.lo);
 843
 844                 ADD_64(qstats->total_bytes_received_hi,
 845                        qstats->error_bytes_received_hi,
 846                        qstats->total_bytes_received_lo,
 847                        qstats->error_bytes_received_lo);
 848
 849                 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts,
 850                                         total_unicast_packets_received);
 851                 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
 852                                         total_multicast_packets_received);
 853                 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
 854                                         total_broadcast_packets_received);
 855                 UPDATE_EXTEND_TSTAT(packets_too_big_discard,
 856                                         etherstatsoverrsizepkts);
 857                 UPDATE_EXTEND_TSTAT(no_buff_discard, no_buff_discard);
 858
 859                 SUB_EXTEND_USTAT(ucast_no_buff_pkts,
 860                                         total_unicast_packets_received);
 861                 SUB_EXTEND_USTAT(mcast_no_buff_pkts,
 862                                         total_multicast_packets_received);
 863                 SUB_EXTEND_USTAT(bcast_no_buff_pkts,
 864                                         total_broadcast_packets_received);
 865                 UPDATE_EXTEND_USTAT(ucast_no_buff_pkts, no_buff_discard);
 866                 UPDATE_EXTEND_USTAT(mcast_no_buff_pkts, no_buff_discard);
 867                 UPDATE_EXTEND_USTAT(bcast_no_buff_pkts, no_buff_discard);
 868
 869                 qstats->total_bytes_transmitted_hi =
 870                                 le32_to_cpu(xclient->unicast_bytes_sent.hi);
 871                 qstats->total_bytes_transmitted_lo =
 872                                 le32_to_cpu(xclient->unicast_bytes_sent.lo);
 873
 874                 ADD_64(qstats->total_bytes_transmitted_hi,
 875                        le32_to_cpu(xclient->multicast_bytes_sent.hi),
 876                        qstats->total_bytes_transmitted_lo,
 877                        le32_to_cpu(xclient->multicast_bytes_sent.lo));
 878
 879                 ADD_64(qstats->total_bytes_transmitted_hi,
 880                        le32_to_cpu(xclient->broadcast_bytes_sent.hi),
 881                        qstats->total_bytes_transmitted_lo,
 882                        le32_to_cpu(xclient->broadcast_bytes_sent.lo));
 883
 884                 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
 885                                         total_unicast_packets_transmitted);
 886                 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
 887                                         total_multicast_packets_transmitted);
 888                 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
 889                                         total_broadcast_packets_transmitted);
 890
 891                 old_tclient->checksum_discard = tclient->checksum_discard;
 892                 old_tclient->ttl0_discard = tclient->ttl0_discard;
 893
 894                 ADD_64(fstats->total_bytes_received_hi,
 895                        qstats->total_bytes_received_hi,
 896                        fstats->total_bytes_received_lo,
 897                        qstats->total_bytes_received_lo);
 898                 ADD_64(fstats->total_bytes_transmitted_hi,
 899                        qstats->total_bytes_transmitted_hi,
 900                        fstats->total_bytes_transmitted_lo,
 901                        qstats->total_bytes_transmitted_lo);
 902                 ADD_64(fstats->total_unicast_packets_received_hi,
 903                        qstats->total_unicast_packets_received_hi,
 904                        fstats->total_unicast_packets_received_lo,
 905                        qstats->total_unicast_packets_received_lo);
 906                 ADD_64(fstats->total_multicast_packets_received_hi,
 907                        qstats->total_multicast_packets_received_hi,
 908                        fstats->total_multicast_packets_received_lo,
 909                        qstats->total_multicast_packets_received_lo);
 910                 ADD_64(fstats->total_broadcast_packets_received_hi,
 911                        qstats->total_broadcast_packets_received_hi,
 912                        fstats->total_broadcast_packets_received_lo,
 913                        qstats->total_broadcast_packets_received_lo);
 914                 ADD_64(fstats->total_unicast_packets_transmitted_hi,
 915                        qstats->total_unicast_packets_transmitted_hi,
 916                        fstats->total_unicast_packets_transmitted_lo,
 917                        qstats->total_unicast_packets_transmitted_lo);
 918                 ADD_64(fstats->total_multicast_packets_transmitted_hi,
 919                        qstats->total_multicast_packets_transmitted_hi,
 920                        fstats->total_multicast_packets_transmitted_lo,
 921                        qstats->total_multicast_packets_transmitted_lo);
 922                 ADD_64(fstats->total_broadcast_packets_transmitted_hi,
 923                        qstats->total_broadcast_packets_transmitted_hi,
 924                        fstats->total_broadcast_packets_transmitted_lo,
 925                        qstats->total_broadcast_packets_transmitted_lo);
 926                 ADD_64(fstats->valid_bytes_received_hi,
 927                        qstats->valid_bytes_received_hi,
 928                        fstats->valid_bytes_received_lo,
 929                        qstats->valid_bytes_received_lo);
 930
 931                 ADD_64(estats->error_bytes_received_hi,
 932                        qstats->error_bytes_received_hi,
 933                        estats->error_bytes_received_lo,
 934                        qstats->error_bytes_received_lo);
 935                 ADD_64(estats->etherstatsoverrsizepkts_hi,
 936                        qstats->etherstatsoverrsizepkts_hi,
 937                        estats->etherstatsoverrsizepkts_lo,
 938                        qstats->etherstatsoverrsizepkts_lo);
 939                 ADD_64(estats->no_buff_discard_hi, qstats->no_buff_discard_hi,
 940                        estats->no_buff_discard_lo, qstats->no_buff_discard_lo);
 941         }
 942
 943         ADD_64(fstats->total_bytes_received_hi,
 944                estats->rx_stat_ifhcinbadoctets_hi,
 945                fstats->total_bytes_received_lo,
 946                estats->rx_stat_ifhcinbadoctets_lo);
 947
 948         memcpy(estats, &(fstats->total_bytes_received_hi),
 949                sizeof(struct host_func_stats) - 2*sizeof(u32));
 950
 951         ADD_64(estats->etherstatsoverrsizepkts_hi,
 952                estats->rx_stat_dot3statsframestoolong_hi,
 953                estats->etherstatsoverrsizepkts_lo,
 954                estats->rx_stat_dot3statsframestoolong_lo);
 955         ADD_64(estats->error_bytes_received_hi,
 956                estats->rx_stat_ifhcinbadoctets_hi,
 957                estats->error_bytes_received_lo,
 958                estats->rx_stat_ifhcinbadoctets_lo);
 959
 960         if (bp->port.pmf) {
 961                 estats->mac_filter_discard =
 962                                 le32_to_cpu(tport->mac_filter_discard);
 963                 estats->xxoverflow_discard =
 964                                 le32_to_cpu(tport->xxoverflow_discard);
 965                 estats->brb_truncate_discard =
 966                                 le32_to_cpu(tport->brb_truncate_discard);
 967                 estats->mac_discard = le32_to_cpu(tport->mac_discard);
 968         }
 969
 970         fstats->host_func_stats_start = ++fstats->host_func_stats_end;
 971
 972         bp->stats_pending = 0;
 973
 974         return 0;
 975 }
 976
 977 static void bnx2x_net_stats_update(struct bnx2x *bp)
 978 {
 979         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 980         struct net_device_stats *nstats = &bp->dev->stats;
 981         unsigned long tmp;
 982         int i;
 983
 984         nstats->rx_packets =
 985                 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
 986                 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
 987                 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
 988
 989         nstats->tx_packets =
 990                 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
 991                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
 992                 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
 993
 994         nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi);
 995
 996         nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
 997
 998         tmp = estats->mac_discard;
 999         for_each_rx_queue(bp, i)
1000                 tmp += le32_to_cpu(bp->fp[i].old_tclient.checksum_discard);
1001         nstats->rx_dropped = tmp;
1002
1003         nstats->tx_dropped = 0;
1004
1005         nstats->multicast =
1006                 bnx2x_hilo(&estats->total_multicast_packets_received_hi);
1007
1008         nstats->collisions =
1009                 bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi);
1010
1011         nstats->rx_length_errors =
1012                 bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) +
1013                 bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi);
1014         nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) +
1015                                  bnx2x_hilo(&estats->brb_truncate_hi);
1016         nstats->rx_crc_errors =
1017                 bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi);
1018         nstats->rx_frame_errors =
1019                 bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi);
1020         nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi);
1021         nstats->rx_missed_errors = estats->xxoverflow_discard;
1022
1023         nstats->rx_errors = nstats->rx_length_errors +
1024                             nstats->rx_over_errors +
1025                             nstats->rx_crc_errors +
1026                             nstats->rx_frame_errors +
1027                             nstats->rx_fifo_errors +
1028                             nstats->rx_missed_errors;
1029
1030         nstats->tx_aborted_errors =
1031                 bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) +
1032                 bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi);
1033         nstats->tx_carrier_errors =
1034                 bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi);
1035         nstats->tx_fifo_errors = 0;
1036         nstats->tx_heartbeat_errors = 0;
1037         nstats->tx_window_errors = 0;
1038
1039         nstats->tx_errors = nstats->tx_aborted_errors +
1040                             nstats->tx_carrier_errors +
1041             bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi);
1042 }
1043
1044 static void bnx2x_drv_stats_update(struct bnx2x *bp)
1045 {
1046         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1047         int i;
1048
1049         estats->driver_xoff = 0;
1050         estats->rx_err_discard_pkt = 0;
1051         estats->rx_skb_alloc_failed = 0;
1052         estats->hw_csum_err = 0;
1053         for_each_queue(bp, i) {
1054                 struct bnx2x_eth_q_stats *qstats = &bp->fp[i].eth_q_stats;
1055
1056                 estats->driver_xoff += qstats->driver_xoff;
1057                 estats->rx_err_discard_pkt += qstats->rx_err_discard_pkt;
1058                 estats->rx_skb_alloc_failed += qstats->rx_skb_alloc_failed;
1059                 estats->hw_csum_err += qstats->hw_csum_err;
1060         }
1061 }
1062
1063 static void bnx2x_stats_update(struct bnx2x *bp)
1064 {
1065         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1066
1067         if (*stats_comp != DMAE_COMP_VAL)
1068                 return;
1069
1070         if (bp->port.pmf)
1071                 bnx2x_hw_stats_update(bp);
1072
1073         if (bnx2x_storm_stats_update(bp) && (bp->stats_pending++ == 3)) {
1074                 BNX2X_ERR("storm stats were not updated for 3 times\n");
1075                 bnx2x_panic();
1076                 return;
1077         }
1078
1079         bnx2x_net_stats_update(bp);
1080         bnx2x_drv_stats_update(bp);
1081
1082         if (netif_msg_timer(bp)) {
1083                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
1084                 int i;
1085
1086                 printk(KERN_DEBUG "%s: brb drops %u  brb truncate %u\n",
1087                        bp->dev->name,
1088                        estats->brb_drop_lo, estats->brb_truncate_lo);
1089
1090                 for_each_eth_queue(bp, i) {
1091                         struct bnx2x_fastpath *fp = &bp->fp[i];
1092                         struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
1093
1094                         printk(KERN_DEBUG "%s: rx usage(%4u)  *rx_cons_sb(%u)"
1095                                           "  rx pkt(%lu)  rx calls(%lu %lu)\n",
1096                                fp->name, (le16_to_cpu(*fp->rx_cons_sb) -
1097                                fp->rx_comp_cons),
1098                                le16_to_cpu(*fp->rx_cons_sb),
1099                                bnx2x_hilo(&qstats->
1100                                           total_unicast_packets_received_hi),
1101                                fp->rx_calls, fp->rx_pkt);
1102                 }
1103
1104                 for_each_eth_queue(bp, i) {
1105                         struct bnx2x_fastpath *fp = &bp->fp[i];
1106                         struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
1107                         struct netdev_queue *txq =
1108                                 netdev_get_tx_queue(bp->dev, i);
1109
1110                         printk(KERN_DEBUG "%s: tx avail(%4u)  *tx_cons_sb(%u)"
1111                                           "  tx pkt(%lu) tx calls (%lu)"
1112                                           "  %s (Xoff events %u)\n",
1113                                fp->name, bnx2x_tx_avail(fp),
1114                                le16_to_cpu(*fp->tx_cons_sb),
1115                                bnx2x_hilo(&qstats->
1116                                           total_unicast_packets_transmitted_hi),
1117                                fp->tx_pkt,
1118                                (netif_tx_queue_stopped(txq) ? "Xoff" : "Xon"),
1119                                qstats->driver_xoff);
1120                 }
1121         }
1122
1123         bnx2x_hw_stats_post(bp);
1124         bnx2x_storm_stats_post(bp);
1125 }
1126
1127 static void bnx2x_port_stats_stop(struct bnx2x *bp)
1128 {
1129         struct dmae_command *dmae;
1130         u32 opcode;
1131         int loader_idx = PMF_DMAE_C(bp);
1132         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1133
1134         bp->executer_idx = 0;
1135
1136         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC, false, 0);
1137
1138         if (bp->port.port_stx) {
1139
1140                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1141                 if (bp->func_stx)
1142                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1143                                                 opcode, DMAE_COMP_GRC);
1144                 else
1145                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1146                                                 opcode, DMAE_COMP_PCI);
1147                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1148                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1149                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
1150                 dmae->dst_addr_hi = 0;
1151                 dmae->len = sizeof(struct host_port_stats) >> 2;
1152                 if (bp->func_stx) {
1153                         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
1154                         dmae->comp_addr_hi = 0;
1155                         dmae->comp_val = 1;
1156                 } else {
1157                         dmae->comp_addr_lo =
1158                                 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1159                         dmae->comp_addr_hi =
1160                                 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1161                         dmae->comp_val = DMAE_COMP_VAL;
1162
1163                         *stats_comp = 0;
1164                 }
1165         }
1166
1167         if (bp->func_stx) {
1168
1169                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1170                 dmae->opcode =
1171                         bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
1172                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
1173                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
1174                 dmae->dst_addr_lo = bp->func_stx >> 2;
1175                 dmae->dst_addr_hi = 0;
1176                 dmae->len = sizeof(struct host_func_stats) >> 2;
1177                 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1178                 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1179                 dmae->comp_val = DMAE_COMP_VAL;
1180
1181                 *stats_comp = 0;
1182         }
1183 }
1184
1185 static void bnx2x_stats_stop(struct bnx2x *bp)
1186 {
1187         int update = 0;
1188
1189         bnx2x_stats_comp(bp);
1190
1191         if (bp->port.pmf)
1192                 update = (bnx2x_hw_stats_update(bp) == 0);
1193
1194         update |= (bnx2x_storm_stats_update(bp) == 0);
1195
1196         if (update) {
1197                 bnx2x_net_stats_update(bp);
1198
1199                 if (bp->port.pmf)
1200                         bnx2x_port_stats_stop(bp);
1201
1202                 bnx2x_hw_stats_post(bp);
1203                 bnx2x_stats_comp(bp);
1204         }
1205 }
1206
1207 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
1208 {
1209 }
1210
1211 static const struct {
1212         void (*action)(struct bnx2x *bp);
1213         enum bnx2x_stats_state next_state;
1214 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
1215 /* state        event   */
1216 {
1217 /* DISABLED     PMF     */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
1218 /*              LINK_UP */ {bnx2x_stats_start,      STATS_STATE_ENABLED},
1219 /*              UPDATE  */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
1220 /*              STOP    */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
1221 },
1222 {
1223 /* ENABLED      PMF     */ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
1224 /*              LINK_UP */ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
1225 /*              UPDATE  */ {bnx2x_stats_update,     STATS_STATE_ENABLED},
1226 /*              STOP    */ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
1227 }
1228 };
1229
1230 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
1231 {
1232         enum bnx2x_stats_state state;
1233
1234         if (unlikely(bp->panic))
1235                 return;
1236
1237         /* Protect a state change flow */
1238         spin_lock_bh(&bp->stats_lock);
1239         state = bp->stats_state;
1240         bp->stats_state = bnx2x_stats_stm[state][event].next_state;
1241         spin_unlock_bh(&bp->stats_lock);
1242
1243         bnx2x_stats_stm[state][event].action(bp);
1244
1245         if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
1246                 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
1247                    state, event, bp->stats_state);
1248 }
1249
1250 static void bnx2x_port_stats_base_init(struct bnx2x *bp)
1251 {
1252         struct dmae_command *dmae;
1253         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1254
1255         /* sanity */
1256         if (!bp->port.pmf || !bp->port.port_stx) {
1257                 BNX2X_ERR("BUG!\n");
1258                 return;
1259         }
1260
1261         bp->executer_idx = 0;
1262
1263         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1264         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
1265                                          true, DMAE_COMP_PCI);
1266         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1267         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1268         dmae->dst_addr_lo = bp->port.port_stx >> 2;
1269         dmae->dst_addr_hi = 0;
1270         dmae->len = sizeof(struct host_port_stats) >> 2;
1271         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1272         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1273         dmae->comp_val = DMAE_COMP_VAL;
1274
1275         *stats_comp = 0;
1276         bnx2x_hw_stats_post(bp);
1277         bnx2x_stats_comp(bp);
1278 }
1279
1280 static void bnx2x_func_stats_base_init(struct bnx2x *bp)
1281 {
1282         int vn, vn_max = IS_MF(bp) ? E1HVN_MAX : E1VN_MAX;
1283         u32 func_stx;
1284
1285         /* sanity */
1286         if (!bp->port.pmf || !bp->func_stx) {
1287                 BNX2X_ERR("BUG!\n");
1288                 return;
1289         }
1290
1291         /* save our func_stx */
1292         func_stx = bp->func_stx;
1293
1294         for (vn = VN_0; vn < vn_max; vn++) {
1295                 int mb_idx = !CHIP_IS_E2(bp) ? 2*vn + BP_PORT(bp) : vn;
1296
1297                 bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1298                 bnx2x_func_stats_init(bp);
1299                 bnx2x_hw_stats_post(bp);
1300                 bnx2x_stats_comp(bp);
1301         }
1302
1303         /* restore our func_stx */
1304         bp->func_stx = func_stx;
1305 }
1306
1307 static void bnx2x_func_stats_base_update(struct bnx2x *bp)
1308 {
1309         struct dmae_command *dmae = &bp->stats_dmae;
1310         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1311
1312         /* sanity */
1313         if (!bp->func_stx) {
1314                 BNX2X_ERR("BUG!\n");
1315                 return;
1316         }
1317
1318         bp->executer_idx = 0;
1319         memset(dmae, 0, sizeof(struct dmae_command));
1320
1321         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
1322                                          true, DMAE_COMP_PCI);
1323         dmae->src_addr_lo = bp->func_stx >> 2;
1324         dmae->src_addr_hi = 0;
1325         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats_base));
1326         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats_base));
1327         dmae->len = sizeof(struct host_func_stats) >> 2;
1328         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1329         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1330         dmae->comp_val = DMAE_COMP_VAL;
1331
1332         *stats_comp = 0;
1333         bnx2x_hw_stats_post(bp);
1334         bnx2x_stats_comp(bp);
1335 }
1336
1337 void bnx2x_stats_init(struct bnx2x *bp)
1338 {
1339         int port = BP_PORT(bp);
1340         int mb_idx = BP_FW_MB_IDX(bp);
1341         int i;
1342         struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
1343
1344         bp->stats_pending = 0;
1345         bp->executer_idx = 0;
1346         bp->stats_counter = 0;
1347
1348         /* port and func stats for management */
1349         if (!BP_NOMCP(bp)) {
1350                 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
1351                 bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1352
1353         } else {
1354                 bp->port.port_stx = 0;
1355                 bp->func_stx = 0;
1356         }
1357         DP(BNX2X_MSG_STATS, "port_stx 0x%x  func_stx 0x%x\n",
1358            bp->port.port_stx, bp->func_stx);
1359
1360         /* port stats */
1361         memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
1362         bp->port.old_nig_stats.brb_discard =
1363                         REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
1364         bp->port.old_nig_stats.brb_truncate =
1365                         REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
1366         REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
1367                     &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
1368         REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
1369                     &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
1370
1371         /* function stats */
1372         for_each_queue(bp, i) {
1373                 struct bnx2x_fastpath *fp = &bp->fp[i];
1374
1375                 memset(&fp->old_tclient, 0,
1376                        sizeof(struct tstorm_per_client_stats));
1377                 memset(&fp->old_uclient, 0,
1378                        sizeof(struct ustorm_per_client_stats));
1379                 memset(&fp->old_xclient, 0,
1380                        sizeof(struct xstorm_per_client_stats));
1381                 memset(&fp->eth_q_stats, 0, sizeof(struct bnx2x_eth_q_stats));
1382         }
1383
1384         /* FW stats are currently collected for ETH clients only */
1385         for_each_eth_queue(bp, i) {
1386                 /* Set initial stats counter in the stats ramrod data to -1 */
1387                 int cl_id = bp->fp[i].cl_id;
1388
1389                 stats->xstorm_common.client_statistics[cl_id].
1390                         stats_counter = 0xffff;
1391                 stats->ustorm_common.client_statistics[cl_id].
1392                         stats_counter = 0xffff;
1393                 stats->tstorm_common.client_statistics[cl_id].
1394                         stats_counter = 0xffff;
1395         }
1396
1397         memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
1398         memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
1399
1400         bp->stats_state = STATS_STATE_DISABLED;
1401
1402         if (bp->port.pmf) {
1403                 if (bp->port.port_stx)
1404                         bnx2x_port_stats_base_init(bp);
1405
1406                 if (bp->func_stx)
1407                         bnx2x_func_stats_base_init(bp);
1408
1409         } else if (bp->func_stx)
1410                 bnx2x_func_stats_base_update(bp);
1411 }