drivers/net/bnx2x/bnx2x_stats.c

   1 /* bnx2x_stats.c: Broadcom Everest network driver.
   2  *
   3  * Copyright (c) 2007-2011 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                 if (bp->stats_pending) {
 162                         spin_unlock_bh(&bp->stats_lock);
 163                         return;
 164                 }
 165
 166                 ramrod_data.drv_counter = bp->stats_counter++;
 167                 ramrod_data.collect_port = bp->port.pmf ? 1 : 0;
 168                 for_each_eth_queue(bp, i)
 169                         ramrod_data.ctr_id_vector |= (1 << bp->fp[i].cl_id);
 170
 171                 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STAT_QUERY, 0,
 172                                    ((u32 *)&ramrod_data)[1],
 173                                    ((u32 *)&ramrod_data)[0], 1);
 174                 if (rc == 0)
 175                         bp->stats_pending = 1;
 176
 177                 spin_unlock_bh(&bp->stats_lock);
 178         }
 179 }
 180
 181 static void bnx2x_hw_stats_post(struct bnx2x *bp)
 182 {
 183         struct dmae_command *dmae = &bp->stats_dmae;
 184         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 185
 186         *stats_comp = DMAE_COMP_VAL;
 187         if (CHIP_REV_IS_SLOW(bp))
 188                 return;
 189
 190         /* loader */
 191         if (bp->executer_idx) {
 192                 int loader_idx = PMF_DMAE_C(bp);
 193                 u32 opcode =  bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 194                                                  true, DMAE_COMP_GRC);
 195                 opcode = bnx2x_dmae_opcode_clr_src_reset(opcode);
 196
 197                 memset(dmae, 0, sizeof(struct dmae_command));
 198                 dmae->opcode = opcode;
 199                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
 200                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
 201                 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
 202                                      sizeof(struct dmae_command) *
 203                                      (loader_idx + 1)) >> 2;
 204                 dmae->dst_addr_hi = 0;
 205                 dmae->len = sizeof(struct dmae_command) >> 2;
 206                 if (CHIP_IS_E1(bp))
 207                         dmae->len--;
 208                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
 209                 dmae->comp_addr_hi = 0;
 210                 dmae->comp_val = 1;
 211
 212                 *stats_comp = 0;
 213                 bnx2x_post_dmae(bp, dmae, loader_idx);
 214
 215         } else if (bp->func_stx) {
 216                 *stats_comp = 0;
 217                 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
 218         }
 219 }
 220
 221 static int bnx2x_stats_comp(struct bnx2x *bp)
 222 {
 223         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 224         int cnt = 10;
 225
 226         might_sleep();
 227         while (*stats_comp != DMAE_COMP_VAL) {
 228                 if (!cnt) {
 229                         BNX2X_ERR("timeout waiting for stats finished\n");
 230                         break;
 231                 }
 232                 cnt--;
 233                 msleep(1);
 234         }
 235         return 1;
 236 }
 237
 238 /*
 239  * Statistics service functions
 240  */
 241
 242 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
 243 {
 244         struct dmae_command *dmae;
 245         u32 opcode;
 246         int loader_idx = PMF_DMAE_C(bp);
 247         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 248
 249         /* sanity */
 250         if (!IS_MF(bp) || !bp->port.pmf || !bp->port.port_stx) {
 251                 BNX2X_ERR("BUG!\n");
 252                 return;
 253         }
 254
 255         bp->executer_idx = 0;
 256
 257         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI, false, 0);
 258
 259         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 260         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_GRC);
 261         dmae->src_addr_lo = bp->port.port_stx >> 2;
 262         dmae->src_addr_hi = 0;
 263         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 264         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 265         dmae->len = DMAE_LEN32_RD_MAX;
 266         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 267         dmae->comp_addr_hi = 0;
 268         dmae->comp_val = 1;
 269
 270         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 271         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
 272         dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
 273         dmae->src_addr_hi = 0;
 274         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
 275                                    DMAE_LEN32_RD_MAX * 4);
 276         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
 277                                    DMAE_LEN32_RD_MAX * 4);
 278         dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
 279         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 280         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 281         dmae->comp_val = DMAE_COMP_VAL;
 282
 283         *stats_comp = 0;
 284         bnx2x_hw_stats_post(bp);
 285         bnx2x_stats_comp(bp);
 286 }
 287
 288 static void bnx2x_port_stats_init(struct bnx2x *bp)
 289 {
 290         struct dmae_command *dmae;
 291         int port = BP_PORT(bp);
 292         u32 opcode;
 293         int loader_idx = PMF_DMAE_C(bp);
 294         u32 mac_addr;
 295         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 296
 297         /* sanity */
 298         if (!bp->link_vars.link_up || !bp->port.pmf) {
 299                 BNX2X_ERR("BUG!\n");
 300                 return;
 301         }
 302
 303         bp->executer_idx = 0;
 304
 305         /* MCP */
 306         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 307                                     true, DMAE_COMP_GRC);
 308
 309         if (bp->port.port_stx) {
 310
 311                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 312                 dmae->opcode = opcode;
 313                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 314                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 315                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
 316                 dmae->dst_addr_hi = 0;
 317                 dmae->len = sizeof(struct host_port_stats) >> 2;
 318                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 319                 dmae->comp_addr_hi = 0;
 320                 dmae->comp_val = 1;
 321         }
 322
 323         if (bp->func_stx) {
 324
 325                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 326                 dmae->opcode = opcode;
 327                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 328                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 329                 dmae->dst_addr_lo = bp->func_stx >> 2;
 330                 dmae->dst_addr_hi = 0;
 331                 dmae->len = sizeof(struct host_func_stats) >> 2;
 332                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 333                 dmae->comp_addr_hi = 0;
 334                 dmae->comp_val = 1;
 335         }
 336
 337         /* MAC */
 338         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 339                                    true, DMAE_COMP_GRC);
 340
 341         if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
 342
 343                 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
 344                                    NIG_REG_INGRESS_BMAC0_MEM);
 345
 346                 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
 347                    BIGMAC_REGISTER_TX_STAT_GTBYT */
 348                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 349                 dmae->opcode = opcode;
 350                 if (CHIP_IS_E1x(bp)) {
 351                         dmae->src_addr_lo = (mac_addr +
 352                                      BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 353                         dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
 354                                      BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 355                 } else {
 356                         dmae->src_addr_lo = (mac_addr +
 357                                      BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 358                         dmae->len = (8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
 359                                      BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 360                 }
 361
 362                 dmae->src_addr_hi = 0;
 363                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 364                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 365                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 366                 dmae->comp_addr_hi = 0;
 367                 dmae->comp_val = 1;
 368
 369                 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
 370                    BIGMAC_REGISTER_RX_STAT_GRIPJ */
 371                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 372                 dmae->opcode = opcode;
 373                 dmae->src_addr_hi = 0;
 374                 if (CHIP_IS_E1x(bp)) {
 375                         dmae->src_addr_lo = (mac_addr +
 376                                              BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 377                         dmae->dst_addr_lo =
 378                                 U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 379                                 offsetof(struct bmac1_stats, rx_stat_gr64_lo));
 380                         dmae->dst_addr_hi =
 381                                 U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 382                                 offsetof(struct bmac1_stats, rx_stat_gr64_lo));
 383                         dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
 384                                      BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 385                 } else {
 386                         dmae->src_addr_lo =
 387                                 (mac_addr + BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 388                         dmae->dst_addr_lo =
 389                                 U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 390                                 offsetof(struct bmac2_stats, rx_stat_gr64_lo));
 391                         dmae->dst_addr_hi =
 392                                 U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 393                                 offsetof(struct bmac2_stats, rx_stat_gr64_lo));
 394                         dmae->len = (8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
 395                                      BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 396                 }
 397
 398                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 399                 dmae->comp_addr_hi = 0;
 400                 dmae->comp_val = 1;
 401
 402         } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
 403
 404                 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
 405
 406                 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
 407                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 408                 dmae->opcode = opcode;
 409                 dmae->src_addr_lo = (mac_addr +
 410                                      EMAC_REG_EMAC_RX_STAT_AC) >> 2;
 411                 dmae->src_addr_hi = 0;
 412                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 413                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 414                 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
 415                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 416                 dmae->comp_addr_hi = 0;
 417                 dmae->comp_val = 1;
 418
 419                 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
 420                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 421                 dmae->opcode = opcode;
 422                 dmae->src_addr_lo = (mac_addr +
 423                                      EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
 424                 dmae->src_addr_hi = 0;
 425                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 426                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 427                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 428                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 429                 dmae->len = 1;
 430                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 431                 dmae->comp_addr_hi = 0;
 432                 dmae->comp_val = 1;
 433
 434                 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
 435                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 436                 dmae->opcode = opcode;
 437                 dmae->src_addr_lo = (mac_addr +
 438                                      EMAC_REG_EMAC_TX_STAT_AC) >> 2;
 439                 dmae->src_addr_hi = 0;
 440                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 441                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 442                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 443                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 444                 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
 445                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 446                 dmae->comp_addr_hi = 0;
 447                 dmae->comp_val = 1;
 448         }
 449
 450         /* NIG */
 451         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 452         dmae->opcode = opcode;
 453         dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
 454                                     NIG_REG_STAT0_BRB_DISCARD) >> 2;
 455         dmae->src_addr_hi = 0;
 456         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
 457         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
 458         dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
 459         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 460         dmae->comp_addr_hi = 0;
 461         dmae->comp_val = 1;
 462
 463         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 464         dmae->opcode = opcode;
 465         dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
 466                                     NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
 467         dmae->src_addr_hi = 0;
 468         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 469                         offsetof(struct nig_stats, egress_mac_pkt0_lo));
 470         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 471                         offsetof(struct nig_stats, egress_mac_pkt0_lo));
 472         dmae->len = (2*sizeof(u32)) >> 2;
 473         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 474         dmae->comp_addr_hi = 0;
 475         dmae->comp_val = 1;
 476
 477         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 478         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 479                                          true, DMAE_COMP_PCI);
 480         dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
 481                                     NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
 482         dmae->src_addr_hi = 0;
 483         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 484                         offsetof(struct nig_stats, egress_mac_pkt1_lo));
 485         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 486                         offsetof(struct nig_stats, egress_mac_pkt1_lo));
 487         dmae->len = (2*sizeof(u32)) >> 2;
 488         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 489         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 490         dmae->comp_val = DMAE_COMP_VAL;
 491
 492         *stats_comp = 0;
 493 }
 494
 495 static void bnx2x_func_stats_init(struct bnx2x *bp)
 496 {
 497         struct dmae_command *dmae = &bp->stats_dmae;
 498         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 499
 500         /* sanity */
 501         if (!bp->func_stx) {
 502                 BNX2X_ERR("BUG!\n");
 503                 return;
 504         }
 505
 506         bp->executer_idx = 0;
 507         memset(dmae, 0, sizeof(struct dmae_command));
 508
 509         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 510                                          true, DMAE_COMP_PCI);
 511         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 512         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 513         dmae->dst_addr_lo = bp->func_stx >> 2;
 514         dmae->dst_addr_hi = 0;
 515         dmae->len = sizeof(struct host_func_stats) >> 2;
 516         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 517         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 518         dmae->comp_val = DMAE_COMP_VAL;
 519
 520         *stats_comp = 0;
 521 }
 522
 523 static void bnx2x_stats_start(struct bnx2x *bp)
 524 {
 525         if (bp->port.pmf)
 526                 bnx2x_port_stats_init(bp);
 527
 528         else if (bp->func_stx)
 529                 bnx2x_func_stats_init(bp);
 530
 531         bnx2x_hw_stats_post(bp);
 532         bnx2x_storm_stats_post(bp);
 533 }
 534
 535 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
 536 {
 537         bnx2x_stats_comp(bp);
 538         bnx2x_stats_pmf_update(bp);
 539         bnx2x_stats_start(bp);
 540 }
 541
 542 static void bnx2x_stats_restart(struct bnx2x *bp)
 543 {
 544         bnx2x_stats_comp(bp);
 545         bnx2x_stats_start(bp);
 546 }
 547
 548 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
 549 {
 550         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 551         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 552         struct {
 553                 u32 lo;
 554                 u32 hi;
 555         } diff;
 556
 557         if (CHIP_IS_E1x(bp)) {
 558                 struct bmac1_stats *new = bnx2x_sp(bp, mac_stats.bmac1_stats);
 559
 560                 /* the macros below will use "bmac1_stats" type */
 561                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 562                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 563                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 564                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 565                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 566                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 567                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 568                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 569                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_bmac_xpf);
 570                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 571                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 572                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 573                 UPDATE_STAT64(tx_stat_gt127,
 574                                 tx_stat_etherstatspkts65octetsto127octets);
 575                 UPDATE_STAT64(tx_stat_gt255,
 576                                 tx_stat_etherstatspkts128octetsto255octets);
 577                 UPDATE_STAT64(tx_stat_gt511,
 578                                 tx_stat_etherstatspkts256octetsto511octets);
 579                 UPDATE_STAT64(tx_stat_gt1023,
 580                                 tx_stat_etherstatspkts512octetsto1023octets);
 581                 UPDATE_STAT64(tx_stat_gt1518,
 582                                 tx_stat_etherstatspkts1024octetsto1522octets);
 583                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
 584                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
 585                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
 586                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
 587                 UPDATE_STAT64(tx_stat_gterr,
 588                                 tx_stat_dot3statsinternalmactransmiterrors);
 589                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
 590
 591         } else {
 592                 struct bmac2_stats *new = bnx2x_sp(bp, mac_stats.bmac2_stats);
 593
 594                 /* the macros below will use "bmac2_stats" type */
 595                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 596                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 597                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 598                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 599                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 600                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 601                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 602                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 603                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_bmac_xpf);
 604                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 605                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 606                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 607                 UPDATE_STAT64(tx_stat_gt127,
 608                                 tx_stat_etherstatspkts65octetsto127octets);
 609                 UPDATE_STAT64(tx_stat_gt255,
 610                                 tx_stat_etherstatspkts128octetsto255octets);
 611                 UPDATE_STAT64(tx_stat_gt511,
 612                                 tx_stat_etherstatspkts256octetsto511octets);
 613                 UPDATE_STAT64(tx_stat_gt1023,
 614                                 tx_stat_etherstatspkts512octetsto1023octets);
 615                 UPDATE_STAT64(tx_stat_gt1518,
 616                                 tx_stat_etherstatspkts1024octetsto1522octets);
 617                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
 618                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
 619                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
 620                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
 621                 UPDATE_STAT64(tx_stat_gterr,
 622                                 tx_stat_dot3statsinternalmactransmiterrors);
 623                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
 624         }
 625
 626         estats->pause_frames_received_hi =
 627                                 pstats->mac_stx[1].rx_stat_bmac_xpf_hi;
 628         estats->pause_frames_received_lo =
 629                                 pstats->mac_stx[1].rx_stat_bmac_xpf_lo;
 630
 631         estats->pause_frames_sent_hi =
 632                                 pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 633         estats->pause_frames_sent_lo =
 634                                 pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 635 }
 636
 637 static void bnx2x_emac_stats_update(struct bnx2x *bp)
 638 {
 639         struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
 640         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 641         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 642
 643         UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
 644         UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
 645         UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
 646         UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
 647         UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
 648         UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
 649         UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
 650         UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
 651         UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
 652         UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
 653         UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
 654         UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
 655         UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
 656         UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
 657         UPDATE_EXTEND_STAT(tx_stat_outxonsent);
 658         UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
 659         UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
 660         UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
 661         UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
 662         UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
 663         UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
 664         UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
 665         UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
 666         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
 667         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
 668         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
 669         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
 670         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
 671         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
 672         UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
 673         UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
 674
 675         estats->pause_frames_received_hi =
 676                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi;
 677         estats->pause_frames_received_lo =
 678                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo;
 679         ADD_64(estats->pause_frames_received_hi,
 680                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi,
 681                estats->pause_frames_received_lo,
 682                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo);
 683
 684         estats->pause_frames_sent_hi =
 685                         pstats->mac_stx[1].tx_stat_outxonsent_hi;
 686         estats->pause_frames_sent_lo =
 687                         pstats->mac_stx[1].tx_stat_outxonsent_lo;
 688         ADD_64(estats->pause_frames_sent_hi,
 689                pstats->mac_stx[1].tx_stat_outxoffsent_hi,
 690                estats->pause_frames_sent_lo,
 691                pstats->mac_stx[1].tx_stat_outxoffsent_lo);
 692 }
 693
 694 static int bnx2x_hw_stats_update(struct bnx2x *bp)
 695 {
 696         struct nig_stats *new = bnx2x_sp(bp, nig_stats);
 697         struct nig_stats *old = &(bp->port.old_nig_stats);
 698         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 699         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 700         struct {
 701                 u32 lo;
 702                 u32 hi;
 703         } diff;
 704
 705         if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
 706                 bnx2x_bmac_stats_update(bp);
 707
 708         else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
 709                 bnx2x_emac_stats_update(bp);
 710
 711         else { /* unreached */
 712                 BNX2X_ERR("stats updated by DMAE but no MAC active\n");
 713                 return -1;
 714         }
 715
 716         ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
 717                       new->brb_discard - old->brb_discard);
 718         ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
 719                       new->brb_truncate - old->brb_truncate);
 720
 721         UPDATE_STAT64_NIG(egress_mac_pkt0,
 722                                         etherstatspkts1024octetsto1522octets);
 723         UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
 724
 725         memcpy(old, new, sizeof(struct nig_stats));
 726
 727         memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
 728                sizeof(struct mac_stx));
 729         estats->brb_drop_hi = pstats->brb_drop_hi;
 730         estats->brb_drop_lo = pstats->brb_drop_lo;
 731
 732         pstats->host_port_stats_start = ++pstats->host_port_stats_end;
 733
 734         if (!BP_NOMCP(bp)) {
 735                 u32 nig_timer_max =
 736                         SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer);
 737                 if (nig_timer_max != estats->nig_timer_max) {
 738                         estats->nig_timer_max = nig_timer_max;
 739                         BNX2X_ERR("NIG timer max (%u)\n",
 740                                   estats->nig_timer_max);
 741                 }
 742         }
 743
 744         return 0;
 745 }
 746
 747 static int bnx2x_storm_stats_update(struct bnx2x *bp)
 748 {
 749         struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
 750         struct tstorm_per_port_stats *tport =
 751                                         &stats->tstorm_common.port_statistics;
 752         struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
 753         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 754         int i;
 755         u16 cur_stats_counter;
 756
 757         /* Make sure we use the value of the counter
 758          * used for sending the last stats ramrod.
 759          */
 760         spin_lock_bh(&bp->stats_lock);
 761         cur_stats_counter = bp->stats_counter - 1;
 762         spin_unlock_bh(&bp->stats_lock);
 763
 764         memcpy(&(fstats->total_bytes_received_hi),
 765                &(bnx2x_sp(bp, func_stats_base)->total_bytes_received_hi),
 766                sizeof(struct host_func_stats) - 2*sizeof(u32));
 767         estats->error_bytes_received_hi = 0;
 768         estats->error_bytes_received_lo = 0;
 769         estats->etherstatsoverrsizepkts_hi = 0;
 770         estats->etherstatsoverrsizepkts_lo = 0;
 771         estats->no_buff_discard_hi = 0;
 772         estats->no_buff_discard_lo = 0;
 773
 774         for_each_eth_queue(bp, i) {
 775                 struct bnx2x_fastpath *fp = &bp->fp[i];
 776                 int cl_id = fp->cl_id;
 777                 struct tstorm_per_client_stats *tclient =
 778                                 &stats->tstorm_common.client_statistics[cl_id];
 779                 struct tstorm_per_client_stats *old_tclient = &fp->old_tclient;
 780                 struct ustorm_per_client_stats *uclient =
 781                                 &stats->ustorm_common.client_statistics[cl_id];
 782                 struct ustorm_per_client_stats *old_uclient = &fp->old_uclient;
 783                 struct xstorm_per_client_stats *xclient =
 784                                 &stats->xstorm_common.client_statistics[cl_id];
 785                 struct xstorm_per_client_stats *old_xclient = &fp->old_xclient;
 786                 struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
 787                 u32 diff;
 788
 789                 /* are storm stats valid? */
 790                 if (le16_to_cpu(xclient->stats_counter) != cur_stats_counter) {
 791                         DP(BNX2X_MSG_STATS, "[%d] stats not updated by xstorm"
 792                            "  xstorm counter (0x%x) != stats_counter (0x%x)\n",
 793                            i, xclient->stats_counter, cur_stats_counter + 1);
 794                         return -1;
 795                 }
 796                 if (le16_to_cpu(tclient->stats_counter) != cur_stats_counter) {
 797                         DP(BNX2X_MSG_STATS, "[%d] stats not updated by tstorm"
 798                            "  tstorm counter (0x%x) != stats_counter (0x%x)\n",
 799                            i, tclient->stats_counter, cur_stats_counter + 1);
 800                         return -2;
 801                 }
 802                 if (le16_to_cpu(uclient->stats_counter) != cur_stats_counter) {
 803                         DP(BNX2X_MSG_STATS, "[%d] stats not updated by ustorm"
 804                            "  ustorm counter (0x%x) != stats_counter (0x%x)\n",
 805                            i, uclient->stats_counter, cur_stats_counter + 1);
 806                         return -4;
 807                 }
 808
 809                 qstats->total_bytes_received_hi =
 810                         le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
 811                 qstats->total_bytes_received_lo =
 812                         le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
 813
 814                 ADD_64(qstats->total_bytes_received_hi,
 815                        le32_to_cpu(tclient->rcv_multicast_bytes.hi),
 816                        qstats->total_bytes_received_lo,
 817                        le32_to_cpu(tclient->rcv_multicast_bytes.lo));
 818
 819                 ADD_64(qstats->total_bytes_received_hi,
 820                        le32_to_cpu(tclient->rcv_unicast_bytes.hi),
 821                        qstats->total_bytes_received_lo,
 822                        le32_to_cpu(tclient->rcv_unicast_bytes.lo));
 823
 824                 SUB_64(qstats->total_bytes_received_hi,
 825                        le32_to_cpu(uclient->bcast_no_buff_bytes.hi),
 826                        qstats->total_bytes_received_lo,
 827                        le32_to_cpu(uclient->bcast_no_buff_bytes.lo));
 828
 829                 SUB_64(qstats->total_bytes_received_hi,
 830                        le32_to_cpu(uclient->mcast_no_buff_bytes.hi),
 831                        qstats->total_bytes_received_lo,
 832                        le32_to_cpu(uclient->mcast_no_buff_bytes.lo));
 833
 834                 SUB_64(qstats->total_bytes_received_hi,
 835                        le32_to_cpu(uclient->ucast_no_buff_bytes.hi),
 836                        qstats->total_bytes_received_lo,
 837                        le32_to_cpu(uclient->ucast_no_buff_bytes.lo));
 838
 839                 qstats->valid_bytes_received_hi =
 840                                         qstats->total_bytes_received_hi;
 841                 qstats->valid_bytes_received_lo =
 842                                         qstats->total_bytes_received_lo;
 843
 844                 qstats->error_bytes_received_hi =
 845                                 le32_to_cpu(tclient->rcv_error_bytes.hi);
 846                 qstats->error_bytes_received_lo =
 847                                 le32_to_cpu(tclient->rcv_error_bytes.lo);
 848
 849                 ADD_64(qstats->total_bytes_received_hi,
 850                        qstats->error_bytes_received_hi,
 851                        qstats->total_bytes_received_lo,
 852                        qstats->error_bytes_received_lo);
 853
 854                 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts,
 855                                         total_unicast_packets_received);
 856                 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
 857                                         total_multicast_packets_received);
 858                 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
 859                                         total_broadcast_packets_received);
 860                 UPDATE_EXTEND_TSTAT(packets_too_big_discard,
 861                                         etherstatsoverrsizepkts);
 862                 UPDATE_EXTEND_TSTAT(no_buff_discard, no_buff_discard);
 863
 864                 SUB_EXTEND_USTAT(ucast_no_buff_pkts,
 865                                         total_unicast_packets_received);
 866                 SUB_EXTEND_USTAT(mcast_no_buff_pkts,
 867                                         total_multicast_packets_received);
 868                 SUB_EXTEND_USTAT(bcast_no_buff_pkts,
 869                                         total_broadcast_packets_received);
 870                 UPDATE_EXTEND_USTAT(ucast_no_buff_pkts, no_buff_discard);
 871                 UPDATE_EXTEND_USTAT(mcast_no_buff_pkts, no_buff_discard);
 872                 UPDATE_EXTEND_USTAT(bcast_no_buff_pkts, no_buff_discard);
 873
 874                 qstats->total_bytes_transmitted_hi =
 875                                 le32_to_cpu(xclient->unicast_bytes_sent.hi);
 876                 qstats->total_bytes_transmitted_lo =
 877                                 le32_to_cpu(xclient->unicast_bytes_sent.lo);
 878
 879                 ADD_64(qstats->total_bytes_transmitted_hi,
 880                        le32_to_cpu(xclient->multicast_bytes_sent.hi),
 881                        qstats->total_bytes_transmitted_lo,
 882                        le32_to_cpu(xclient->multicast_bytes_sent.lo));
 883
 884                 ADD_64(qstats->total_bytes_transmitted_hi,
 885                        le32_to_cpu(xclient->broadcast_bytes_sent.hi),
 886                        qstats->total_bytes_transmitted_lo,
 887                        le32_to_cpu(xclient->broadcast_bytes_sent.lo));
 888
 889                 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
 890                                         total_unicast_packets_transmitted);
 891                 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
 892                                         total_multicast_packets_transmitted);
 893                 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
 894                                         total_broadcast_packets_transmitted);
 895
 896                 old_tclient->checksum_discard = tclient->checksum_discard;
 897                 old_tclient->ttl0_discard = tclient->ttl0_discard;
 898
 899                 ADD_64(fstats->total_bytes_received_hi,
 900                        qstats->total_bytes_received_hi,
 901                        fstats->total_bytes_received_lo,
 902                        qstats->total_bytes_received_lo);
 903                 ADD_64(fstats->total_bytes_transmitted_hi,
 904                        qstats->total_bytes_transmitted_hi,
 905                        fstats->total_bytes_transmitted_lo,
 906                        qstats->total_bytes_transmitted_lo);
 907                 ADD_64(fstats->total_unicast_packets_received_hi,
 908                        qstats->total_unicast_packets_received_hi,
 909                        fstats->total_unicast_packets_received_lo,
 910                        qstats->total_unicast_packets_received_lo);
 911                 ADD_64(fstats->total_multicast_packets_received_hi,
 912                        qstats->total_multicast_packets_received_hi,
 913                        fstats->total_multicast_packets_received_lo,
 914                        qstats->total_multicast_packets_received_lo);
 915                 ADD_64(fstats->total_broadcast_packets_received_hi,
 916                        qstats->total_broadcast_packets_received_hi,
 917                        fstats->total_broadcast_packets_received_lo,
 918                        qstats->total_broadcast_packets_received_lo);
 919                 ADD_64(fstats->total_unicast_packets_transmitted_hi,
 920                        qstats->total_unicast_packets_transmitted_hi,
 921                        fstats->total_unicast_packets_transmitted_lo,
 922                        qstats->total_unicast_packets_transmitted_lo);
 923                 ADD_64(fstats->total_multicast_packets_transmitted_hi,
 924                        qstats->total_multicast_packets_transmitted_hi,
 925                        fstats->total_multicast_packets_transmitted_lo,
 926                        qstats->total_multicast_packets_transmitted_lo);
 927                 ADD_64(fstats->total_broadcast_packets_transmitted_hi,
 928                        qstats->total_broadcast_packets_transmitted_hi,
 929                        fstats->total_broadcast_packets_transmitted_lo,
 930                        qstats->total_broadcast_packets_transmitted_lo);
 931                 ADD_64(fstats->valid_bytes_received_hi,
 932                        qstats->valid_bytes_received_hi,
 933                        fstats->valid_bytes_received_lo,
 934                        qstats->valid_bytes_received_lo);
 935
 936                 ADD_64(estats->error_bytes_received_hi,
 937                        qstats->error_bytes_received_hi,
 938                        estats->error_bytes_received_lo,
 939                        qstats->error_bytes_received_lo);
 940                 ADD_64(estats->etherstatsoverrsizepkts_hi,
 941                        qstats->etherstatsoverrsizepkts_hi,
 942                        estats->etherstatsoverrsizepkts_lo,
 943                        qstats->etherstatsoverrsizepkts_lo);
 944                 ADD_64(estats->no_buff_discard_hi, qstats->no_buff_discard_hi,
 945                        estats->no_buff_discard_lo, qstats->no_buff_discard_lo);
 946         }
 947
 948         ADD_64(fstats->total_bytes_received_hi,
 949                estats->rx_stat_ifhcinbadoctets_hi,
 950                fstats->total_bytes_received_lo,
 951                estats->rx_stat_ifhcinbadoctets_lo);
 952
 953         memcpy(estats, &(fstats->total_bytes_received_hi),
 954                sizeof(struct host_func_stats) - 2*sizeof(u32));
 955
 956         ADD_64(estats->etherstatsoverrsizepkts_hi,
 957                estats->rx_stat_dot3statsframestoolong_hi,
 958                estats->etherstatsoverrsizepkts_lo,
 959                estats->rx_stat_dot3statsframestoolong_lo);
 960         ADD_64(estats->error_bytes_received_hi,
 961                estats->rx_stat_ifhcinbadoctets_hi,
 962                estats->error_bytes_received_lo,
 963                estats->rx_stat_ifhcinbadoctets_lo);
 964
 965         if (bp->port.pmf) {
 966                 estats->mac_filter_discard =
 967                                 le32_to_cpu(tport->mac_filter_discard);
 968                 estats->xxoverflow_discard =
 969                                 le32_to_cpu(tport->xxoverflow_discard);
 970                 estats->brb_truncate_discard =
 971                                 le32_to_cpu(tport->brb_truncate_discard);
 972                 estats->mac_discard = le32_to_cpu(tport->mac_discard);
 973         }
 974
 975         fstats->host_func_stats_start = ++fstats->host_func_stats_end;
 976
 977         bp->stats_pending = 0;
 978
 979         return 0;
 980 }
 981
 982 static void bnx2x_net_stats_update(struct bnx2x *bp)
 983 {
 984         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 985         struct net_device_stats *nstats = &bp->dev->stats;
 986         unsigned long tmp;
 987         int i;
 988
 989         nstats->rx_packets =
 990                 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
 991                 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
 992                 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
 993
 994         nstats->tx_packets =
 995                 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
 996                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
 997                 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
 998
 999         nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi);
1000
1001         nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
1002
1003         tmp = estats->mac_discard;
1004         for_each_rx_queue(bp, i)
1005                 tmp += le32_to_cpu(bp->fp[i].old_tclient.checksum_discard);
1006         nstats->rx_dropped = tmp;
1007
1008         nstats->tx_dropped = 0;
1009
1010         nstats->multicast =
1011                 bnx2x_hilo(&estats->total_multicast_packets_received_hi);
1012
1013         nstats->collisions =
1014                 bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi);
1015
1016         nstats->rx_length_errors =
1017                 bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) +
1018                 bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi);
1019         nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) +
1020                                  bnx2x_hilo(&estats->brb_truncate_hi);
1021         nstats->rx_crc_errors =
1022                 bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi);
1023         nstats->rx_frame_errors =
1024                 bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi);
1025         nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi);
1026         nstats->rx_missed_errors = estats->xxoverflow_discard;
1027
1028         nstats->rx_errors = nstats->rx_length_errors +
1029                             nstats->rx_over_errors +
1030                             nstats->rx_crc_errors +
1031                             nstats->rx_frame_errors +
1032                             nstats->rx_fifo_errors +
1033                             nstats->rx_missed_errors;
1034
1035         nstats->tx_aborted_errors =
1036                 bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) +
1037                 bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi);
1038         nstats->tx_carrier_errors =
1039                 bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi);
1040         nstats->tx_fifo_errors = 0;
1041         nstats->tx_heartbeat_errors = 0;
1042         nstats->tx_window_errors = 0;
1043
1044         nstats->tx_errors = nstats->tx_aborted_errors +
1045                             nstats->tx_carrier_errors +
1046             bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi);
1047 }
1048
1049 static void bnx2x_drv_stats_update(struct bnx2x *bp)
1050 {
1051         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1052         int i;
1053
1054         estats->driver_xoff = 0;
1055         estats->rx_err_discard_pkt = 0;
1056         estats->rx_skb_alloc_failed = 0;
1057         estats->hw_csum_err = 0;
1058         for_each_queue(bp, i) {
1059                 struct bnx2x_eth_q_stats *qstats = &bp->fp[i].eth_q_stats;
1060
1061                 estats->driver_xoff += qstats->driver_xoff;
1062                 estats->rx_err_discard_pkt += qstats->rx_err_discard_pkt;
1063                 estats->rx_skb_alloc_failed += qstats->rx_skb_alloc_failed;
1064                 estats->hw_csum_err += qstats->hw_csum_err;
1065         }
1066 }
1067
1068 static void bnx2x_stats_update(struct bnx2x *bp)
1069 {
1070         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1071
1072         if (*stats_comp != DMAE_COMP_VAL)
1073                 return;
1074
1075         if (bp->port.pmf)
1076                 bnx2x_hw_stats_update(bp);
1077
1078         if (bnx2x_storm_stats_update(bp) && (bp->stats_pending++ == 3)) {
1079                 BNX2X_ERR("storm stats were not updated for 3 times\n");
1080                 bnx2x_panic();
1081                 return;
1082         }
1083
1084         bnx2x_net_stats_update(bp);
1085         bnx2x_drv_stats_update(bp);
1086
1087         if (netif_msg_timer(bp)) {
1088                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
1089                 int i;
1090
1091                 printk(KERN_DEBUG "%s: brb drops %u  brb truncate %u\n",
1092                        bp->dev->name,
1093                        estats->brb_drop_lo, estats->brb_truncate_lo);
1094
1095                 for_each_eth_queue(bp, i) {
1096                         struct bnx2x_fastpath *fp = &bp->fp[i];
1097                         struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
1098
1099                         printk(KERN_DEBUG "%s: rx usage(%4u)  *rx_cons_sb(%u)"
1100                                           "  rx pkt(%lu)  rx calls(%lu %lu)\n",
1101                                fp->name, (le16_to_cpu(*fp->rx_cons_sb) -
1102                                fp->rx_comp_cons),
1103                                le16_to_cpu(*fp->rx_cons_sb),
1104                                bnx2x_hilo(&qstats->
1105                                           total_unicast_packets_received_hi),
1106                                fp->rx_calls, fp->rx_pkt);
1107                 }
1108
1109                 for_each_eth_queue(bp, i) {
1110                         struct bnx2x_fastpath *fp = &bp->fp[i];
1111                         struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
1112                         struct netdev_queue *txq =
1113                                 netdev_get_tx_queue(bp->dev, i);
1114
1115                         printk(KERN_DEBUG "%s: tx avail(%4u)  *tx_cons_sb(%u)"
1116                                           "  tx pkt(%lu) tx calls (%lu)"
1117                                           "  %s (Xoff events %u)\n",
1118                                fp->name, bnx2x_tx_avail(fp),
1119                                le16_to_cpu(*fp->tx_cons_sb),
1120                                bnx2x_hilo(&qstats->
1121                                           total_unicast_packets_transmitted_hi),
1122                                fp->tx_pkt,
1123                                (netif_tx_queue_stopped(txq) ? "Xoff" : "Xon"),
1124                                qstats->driver_xoff);
1125                 }
1126         }
1127
1128         bnx2x_hw_stats_post(bp);
1129         bnx2x_storm_stats_post(bp);
1130 }
1131
1132 static void bnx2x_port_stats_stop(struct bnx2x *bp)
1133 {
1134         struct dmae_command *dmae;
1135         u32 opcode;
1136         int loader_idx = PMF_DMAE_C(bp);
1137         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1138
1139         bp->executer_idx = 0;
1140
1141         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC, false, 0);
1142
1143         if (bp->port.port_stx) {
1144
1145                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1146                 if (bp->func_stx)
1147                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1148                                                 opcode, DMAE_COMP_GRC);
1149                 else
1150                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1151                                                 opcode, DMAE_COMP_PCI);
1152                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1153                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1154                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
1155                 dmae->dst_addr_hi = 0;
1156                 dmae->len = sizeof(struct host_port_stats) >> 2;
1157                 if (bp->func_stx) {
1158                         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
1159                         dmae->comp_addr_hi = 0;
1160                         dmae->comp_val = 1;
1161                 } else {
1162                         dmae->comp_addr_lo =
1163                                 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1164                         dmae->comp_addr_hi =
1165                                 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1166                         dmae->comp_val = DMAE_COMP_VAL;
1167
1168                         *stats_comp = 0;
1169                 }
1170         }
1171
1172         if (bp->func_stx) {
1173
1174                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1175                 dmae->opcode =
1176                         bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
1177                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
1178                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
1179                 dmae->dst_addr_lo = bp->func_stx >> 2;
1180                 dmae->dst_addr_hi = 0;
1181                 dmae->len = sizeof(struct host_func_stats) >> 2;
1182                 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1183                 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1184                 dmae->comp_val = DMAE_COMP_VAL;
1185
1186                 *stats_comp = 0;
1187         }
1188 }
1189
1190 static void bnx2x_stats_stop(struct bnx2x *bp)
1191 {
1192         int update = 0;
1193
1194         bnx2x_stats_comp(bp);
1195
1196         if (bp->port.pmf)
1197                 update = (bnx2x_hw_stats_update(bp) == 0);
1198
1199         update |= (bnx2x_storm_stats_update(bp) == 0);
1200
1201         if (update) {
1202                 bnx2x_net_stats_update(bp);
1203
1204                 if (bp->port.pmf)
1205                         bnx2x_port_stats_stop(bp);
1206
1207                 bnx2x_hw_stats_post(bp);
1208                 bnx2x_stats_comp(bp);
1209         }
1210 }
1211
1212 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
1213 {
1214 }
1215
1216 static const struct {
1217         void (*action)(struct bnx2x *bp);
1218         enum bnx2x_stats_state next_state;
1219 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
1220 /* state        event   */
1221 {
1222 /* DISABLED     PMF     */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
1223 /*              LINK_UP */ {bnx2x_stats_start,      STATS_STATE_ENABLED},
1224 /*              UPDATE  */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
1225 /*              STOP    */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
1226 },
1227 {
1228 /* ENABLED      PMF     */ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
1229 /*              LINK_UP */ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
1230 /*              UPDATE  */ {bnx2x_stats_update,     STATS_STATE_ENABLED},
1231 /*              STOP    */ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
1232 }
1233 };
1234
1235 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
1236 {
1237         enum bnx2x_stats_state state;
1238
1239         if (unlikely(bp->panic))
1240                 return;
1241
1242         bnx2x_stats_stm[bp->stats_state][event].action(bp);
1243
1244         /* Protect a state change flow */
1245         spin_lock_bh(&bp->stats_lock);
1246         state = bp->stats_state;
1247         bp->stats_state = bnx2x_stats_stm[state][event].next_state;
1248         spin_unlock_bh(&bp->stats_lock);
1249
1250         if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
1251                 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
1252                    state, event, bp->stats_state);
1253 }
1254
1255 static void bnx2x_port_stats_base_init(struct bnx2x *bp)
1256 {
1257         struct dmae_command *dmae;
1258         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1259
1260         /* sanity */
1261         if (!bp->port.pmf || !bp->port.port_stx) {
1262                 BNX2X_ERR("BUG!\n");
1263                 return;
1264         }
1265
1266         bp->executer_idx = 0;
1267
1268         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1269         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
1270                                          true, DMAE_COMP_PCI);
1271         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1272         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1273         dmae->dst_addr_lo = bp->port.port_stx >> 2;
1274         dmae->dst_addr_hi = 0;
1275         dmae->len = sizeof(struct host_port_stats) >> 2;
1276         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1277         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1278         dmae->comp_val = DMAE_COMP_VAL;
1279
1280         *stats_comp = 0;
1281         bnx2x_hw_stats_post(bp);
1282         bnx2x_stats_comp(bp);
1283 }
1284
1285 static void bnx2x_func_stats_base_init(struct bnx2x *bp)
1286 {
1287         int vn, vn_max = IS_MF(bp) ? E1HVN_MAX : E1VN_MAX;
1288         u32 func_stx;
1289
1290         /* sanity */
1291         if (!bp->port.pmf || !bp->func_stx) {
1292                 BNX2X_ERR("BUG!\n");
1293                 return;
1294         }
1295
1296         /* save our func_stx */
1297         func_stx = bp->func_stx;
1298
1299         for (vn = VN_0; vn < vn_max; vn++) {
1300                 int mb_idx = !CHIP_IS_E2(bp) ? 2*vn + BP_PORT(bp) : vn;
1301
1302                 bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1303                 bnx2x_func_stats_init(bp);
1304                 bnx2x_hw_stats_post(bp);
1305                 bnx2x_stats_comp(bp);
1306         }
1307
1308         /* restore our func_stx */
1309         bp->func_stx = func_stx;
1310 }
1311
1312 static void bnx2x_func_stats_base_update(struct bnx2x *bp)
1313 {
1314         struct dmae_command *dmae = &bp->stats_dmae;
1315         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1316
1317         /* sanity */
1318         if (!bp->func_stx) {
1319                 BNX2X_ERR("BUG!\n");
1320                 return;
1321         }
1322
1323         bp->executer_idx = 0;
1324         memset(dmae, 0, sizeof(struct dmae_command));
1325
1326         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
1327                                          true, DMAE_COMP_PCI);
1328         dmae->src_addr_lo = bp->func_stx >> 2;
1329         dmae->src_addr_hi = 0;
1330         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats_base));
1331         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats_base));
1332         dmae->len = sizeof(struct host_func_stats) >> 2;
1333         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1334         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1335         dmae->comp_val = DMAE_COMP_VAL;
1336
1337         *stats_comp = 0;
1338         bnx2x_hw_stats_post(bp);
1339         bnx2x_stats_comp(bp);
1340 }
1341
1342 void bnx2x_stats_init(struct bnx2x *bp)
1343 {
1344         int port = BP_PORT(bp);
1345         int mb_idx = BP_FW_MB_IDX(bp);
1346         int i;
1347         struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
1348
1349         bp->stats_pending = 0;
1350         bp->executer_idx = 0;
1351         bp->stats_counter = 0;
1352
1353         /* port and func stats for management */
1354         if (!BP_NOMCP(bp)) {
1355                 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
1356                 bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1357
1358         } else {
1359                 bp->port.port_stx = 0;
1360                 bp->func_stx = 0;
1361         }
1362         DP(BNX2X_MSG_STATS, "port_stx 0x%x  func_stx 0x%x\n",
1363            bp->port.port_stx, bp->func_stx);
1364
1365         /* port stats */
1366         memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
1367         bp->port.old_nig_stats.brb_discard =
1368                         REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
1369         bp->port.old_nig_stats.brb_truncate =
1370                         REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
1371         REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
1372                     &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
1373         REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
1374                     &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
1375
1376         /* function stats */
1377         for_each_queue(bp, i) {
1378                 struct bnx2x_fastpath *fp = &bp->fp[i];
1379
1380                 memset(&fp->old_tclient, 0,
1381                        sizeof(struct tstorm_per_client_stats));
1382                 memset(&fp->old_uclient, 0,
1383                        sizeof(struct ustorm_per_client_stats));
1384                 memset(&fp->old_xclient, 0,
1385                        sizeof(struct xstorm_per_client_stats));
1386                 memset(&fp->eth_q_stats, 0, sizeof(struct bnx2x_eth_q_stats));
1387         }
1388
1389         /* FW stats are currently collected for ETH clients only */
1390         for_each_eth_queue(bp, i) {
1391                 /* Set initial stats counter in the stats ramrod data to -1 */
1392                 int cl_id = bp->fp[i].cl_id;
1393
1394                 stats->xstorm_common.client_statistics[cl_id].
1395                         stats_counter = 0xffff;
1396                 stats->ustorm_common.client_statistics[cl_id].
1397                         stats_counter = 0xffff;
1398                 stats->tstorm_common.client_statistics[cl_id].
1399                         stats_counter = 0xffff;
1400         }
1401
1402         memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
1403         memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
1404
1405         bp->stats_state = STATS_STATE_DISABLED;
1406
1407         if (bp->port.pmf) {
1408                 if (bp->port.port_stx)
1409                         bnx2x_port_stats_base_init(bp);
1410
1411                 if (bp->func_stx)
1412                         bnx2x_func_stats_base_init(bp);
1413
1414         } else if (bp->func_stx)
1415                 bnx2x_func_stats_base_update(bp);
1416 }