kernel/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c

   1 /* bnx2x_stats.c: QLogic Everest network driver.
   2  *
   3  * Copyright (c) 2007-2013 Broadcom Corporation
   4  * Copyright (c) 2014 QLogic Corporation
   5  * All rights reserved
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation.
  10  *
  11  * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
  12  * Written by: Eliezer Tamir
  13  * Based on code from Michael Chan's bnx2 driver
  14  * UDP CSUM errata workaround by Arik Gendelman
  15  * Slowpath and fastpath rework by Vladislav Zolotarov
  16  * Statistics and Link management by Yitchak Gertner
  17  *
  18  */
  19
  20 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  21
  22 #include "bnx2x_stats.h"
  23 #include "bnx2x_cmn.h"
  24 #include "bnx2x_sriov.h"
  25
  26 /* Statistics */
  27
  28 /*
  29  * General service functions
  30  */
  31
  32 static inline long bnx2x_hilo(u32 *hiref)
  33 {
  34         u32 lo = *(hiref + 1);
  35 #if (BITS_PER_LONG == 64)
  36         u32 hi = *hiref;
  37
  38         return HILO_U64(hi, lo);
  39 #else
  40         return lo;
  41 #endif
  42 }
  43
  44 static inline u16 bnx2x_get_port_stats_dma_len(struct bnx2x *bp)
  45 {
  46         u16 res = 0;
  47
  48         /* 'newest' convention - shmem2 cotains the size of the port stats */
  49         if (SHMEM2_HAS(bp, sizeof_port_stats)) {
  50                 u32 size = SHMEM2_RD(bp, sizeof_port_stats);
  51                 if (size)
  52                         res = size;
  53
  54                 /* prevent newer BC from causing buffer overflow */
  55                 if (res > sizeof(struct host_port_stats))
  56                         res = sizeof(struct host_port_stats);
  57         }
  58
  59         /* Older convention - all BCs support the port stats' fields up until
  60          * the 'not_used' field
  61          */
  62         if (!res) {
  63                 res = offsetof(struct host_port_stats, not_used) + 4;
  64
  65                 /* if PFC stats are supported by the MFW, DMA them as well */
  66                 if (bp->flags & BC_SUPPORTS_PFC_STATS) {
  67                         res += offsetof(struct host_port_stats,
  68                                         pfc_frames_rx_lo) -
  69                                offsetof(struct host_port_stats,
  70                                         pfc_frames_tx_hi) + 4 ;
  71                 }
  72         }
  73
  74         res >>= 2;
  75
  76         WARN_ON(res > 2 * DMAE_LEN32_RD_MAX);
  77         return res;
  78 }
  79
  80 /*
  81  * Init service functions
  82  */
  83
  84 static void bnx2x_dp_stats(struct bnx2x *bp)
  85 {
  86         int i;
  87
  88         DP(BNX2X_MSG_STATS, "dumping stats:\n"
  89            "fw_stats_req\n"
  90            "    hdr\n"
  91            "        cmd_num %d\n"
  92            "        reserved0 %d\n"
  93            "        drv_stats_counter %d\n"
  94            "        reserved1 %d\n"
  95            "        stats_counters_addrs %x %x\n",
  96            bp->fw_stats_req->hdr.cmd_num,
  97            bp->fw_stats_req->hdr.reserved0,
  98            bp->fw_stats_req->hdr.drv_stats_counter,
  99            bp->fw_stats_req->hdr.reserved1,
 100            bp->fw_stats_req->hdr.stats_counters_addrs.hi,
 101            bp->fw_stats_req->hdr.stats_counters_addrs.lo);
 102
 103         for (i = 0; i < bp->fw_stats_req->hdr.cmd_num; i++) {
 104                 DP(BNX2X_MSG_STATS,
 105                    "query[%d]\n"
 106                    "              kind %d\n"
 107                    "              index %d\n"
 108                    "              funcID %d\n"
 109                    "              reserved %d\n"
 110                    "              address %x %x\n",
 111                    i, bp->fw_stats_req->query[i].kind,
 112                    bp->fw_stats_req->query[i].index,
 113                    bp->fw_stats_req->query[i].funcID,
 114                    bp->fw_stats_req->query[i].reserved,
 115                    bp->fw_stats_req->query[i].address.hi,
 116                    bp->fw_stats_req->query[i].address.lo);
 117         }
 118 }
 119
 120 /* Post the next statistics ramrod. Protect it with the spin in
 121  * order to ensure the strict order between statistics ramrods
 122  * (each ramrod has a sequence number passed in a
 123  * bp->fw_stats_req->hdr.drv_stats_counter and ramrods must be
 124  * sent in order).
 125  */
 126 static void bnx2x_storm_stats_post(struct bnx2x *bp)
 127 {
 128         int rc;
 129
 130         if (bp->stats_pending)
 131                 return;
 132
 133         bp->fw_stats_req->hdr.drv_stats_counter =
 134                 cpu_to_le16(bp->stats_counter++);
 135
 136         DP(BNX2X_MSG_STATS, "Sending statistics ramrod %d\n",
 137            le16_to_cpu(bp->fw_stats_req->hdr.drv_stats_counter));
 138
 139         /* adjust the ramrod to include VF queues statistics */
 140         bnx2x_iov_adjust_stats_req(bp);
 141         bnx2x_dp_stats(bp);
 142
 143         /* send FW stats ramrod */
 144         rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STAT_QUERY, 0,
 145                            U64_HI(bp->fw_stats_req_mapping),
 146                            U64_LO(bp->fw_stats_req_mapping),
 147                            NONE_CONNECTION_TYPE);
 148         if (rc == 0)
 149                 bp->stats_pending = 1;
 150 }
 151
 152 static void bnx2x_hw_stats_post(struct bnx2x *bp)
 153 {
 154         struct dmae_command *dmae = &bp->stats_dmae;
 155         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 156
 157         *stats_comp = DMAE_COMP_VAL;
 158         if (CHIP_REV_IS_SLOW(bp))
 159                 return;
 160
 161         /* Update MCP's statistics if possible */
 162         if (bp->func_stx)
 163                 memcpy(bnx2x_sp(bp, func_stats), &bp->func_stats,
 164                        sizeof(bp->func_stats));
 165
 166         /* loader */
 167         if (bp->executer_idx) {
 168                 int loader_idx = PMF_DMAE_C(bp);
 169                 u32 opcode =  bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 170                                                  true, DMAE_COMP_GRC);
 171                 opcode = bnx2x_dmae_opcode_clr_src_reset(opcode);
 172
 173                 memset(dmae, 0, sizeof(struct dmae_command));
 174                 dmae->opcode = opcode;
 175                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
 176                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
 177                 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
 178                                      sizeof(struct dmae_command) *
 179                                      (loader_idx + 1)) >> 2;
 180                 dmae->dst_addr_hi = 0;
 181                 dmae->len = sizeof(struct dmae_command) >> 2;
 182                 if (CHIP_IS_E1(bp))
 183                         dmae->len--;
 184                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
 185                 dmae->comp_addr_hi = 0;
 186                 dmae->comp_val = 1;
 187
 188                 *stats_comp = 0;
 189                 bnx2x_post_dmae(bp, dmae, loader_idx);
 190
 191         } else if (bp->func_stx) {
 192                 *stats_comp = 0;
 193                 bnx2x_issue_dmae_with_comp(bp, dmae, stats_comp);
 194         }
 195 }
 196
 197 static void bnx2x_stats_comp(struct bnx2x *bp)
 198 {
 199         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 200         int cnt = 10;
 201
 202         might_sleep();
 203         while (*stats_comp != DMAE_COMP_VAL) {
 204                 if (!cnt) {
 205                         BNX2X_ERR("timeout waiting for stats finished\n");
 206                         break;
 207                 }
 208                 cnt--;
 209                 usleep_range(1000, 2000);
 210         }
 211 }
 212
 213 /*
 214  * Statistics service functions
 215  */
 216
 217 /* should be called under stats_sema */
 218 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
 219 {
 220         struct dmae_command *dmae;
 221         u32 opcode;
 222         int loader_idx = PMF_DMAE_C(bp);
 223         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 224
 225         /* sanity */
 226         if (!bp->port.pmf || !bp->port.port_stx) {
 227                 BNX2X_ERR("BUG!\n");
 228                 return;
 229         }
 230
 231         bp->executer_idx = 0;
 232
 233         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI, false, 0);
 234
 235         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 236         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_GRC);
 237         dmae->src_addr_lo = bp->port.port_stx >> 2;
 238         dmae->src_addr_hi = 0;
 239         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 240         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 241         dmae->len = DMAE_LEN32_RD_MAX;
 242         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 243         dmae->comp_addr_hi = 0;
 244         dmae->comp_val = 1;
 245
 246         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 247         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
 248         dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
 249         dmae->src_addr_hi = 0;
 250         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
 251                                    DMAE_LEN32_RD_MAX * 4);
 252         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
 253                                    DMAE_LEN32_RD_MAX * 4);
 254         dmae->len = bnx2x_get_port_stats_dma_len(bp) - DMAE_LEN32_RD_MAX;
 255
 256         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 257         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 258         dmae->comp_val = DMAE_COMP_VAL;
 259
 260         *stats_comp = 0;
 261         bnx2x_hw_stats_post(bp);
 262         bnx2x_stats_comp(bp);
 263 }
 264
 265 static void bnx2x_port_stats_init(struct bnx2x *bp)
 266 {
 267         struct dmae_command *dmae;
 268         int port = BP_PORT(bp);
 269         u32 opcode;
 270         int loader_idx = PMF_DMAE_C(bp);
 271         u32 mac_addr;
 272         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 273
 274         /* sanity */
 275         if (!bp->link_vars.link_up || !bp->port.pmf) {
 276                 BNX2X_ERR("BUG!\n");
 277                 return;
 278         }
 279
 280         bp->executer_idx = 0;
 281
 282         /* MCP */
 283         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 284                                     true, DMAE_COMP_GRC);
 285
 286         if (bp->port.port_stx) {
 287
 288                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 289                 dmae->opcode = opcode;
 290                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 291                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 292                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
 293                 dmae->dst_addr_hi = 0;
 294                 dmae->len = bnx2x_get_port_stats_dma_len(bp);
 295                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 296                 dmae->comp_addr_hi = 0;
 297                 dmae->comp_val = 1;
 298         }
 299
 300         if (bp->func_stx) {
 301
 302                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 303                 dmae->opcode = opcode;
 304                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 305                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 306                 dmae->dst_addr_lo = bp->func_stx >> 2;
 307                 dmae->dst_addr_hi = 0;
 308                 dmae->len = sizeof(struct host_func_stats) >> 2;
 309                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 310                 dmae->comp_addr_hi = 0;
 311                 dmae->comp_val = 1;
 312         }
 313
 314         /* MAC */
 315         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 316                                    true, DMAE_COMP_GRC);
 317
 318         /* EMAC is special */
 319         if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
 320                 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
 321
 322                 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
 323                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 324                 dmae->opcode = opcode;
 325                 dmae->src_addr_lo = (mac_addr +
 326                                      EMAC_REG_EMAC_RX_STAT_AC) >> 2;
 327                 dmae->src_addr_hi = 0;
 328                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 329                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 330                 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
 331                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 332                 dmae->comp_addr_hi = 0;
 333                 dmae->comp_val = 1;
 334
 335                 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
 336                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 337                 dmae->opcode = opcode;
 338                 dmae->src_addr_lo = (mac_addr +
 339                                      EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
 340                 dmae->src_addr_hi = 0;
 341                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 342                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 343                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 344                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 345                 dmae->len = 1;
 346                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 347                 dmae->comp_addr_hi = 0;
 348                 dmae->comp_val = 1;
 349
 350                 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
 351                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 352                 dmae->opcode = opcode;
 353                 dmae->src_addr_lo = (mac_addr +
 354                                      EMAC_REG_EMAC_TX_STAT_AC) >> 2;
 355                 dmae->src_addr_hi = 0;
 356                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 357                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 358                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 359                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 360                 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
 361                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 362                 dmae->comp_addr_hi = 0;
 363                 dmae->comp_val = 1;
 364         } else {
 365                 u32 tx_src_addr_lo, rx_src_addr_lo;
 366                 u16 rx_len, tx_len;
 367
 368                 /* configure the params according to MAC type */
 369                 switch (bp->link_vars.mac_type) {
 370                 case MAC_TYPE_BMAC:
 371                         mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
 372                                            NIG_REG_INGRESS_BMAC0_MEM);
 373
 374                         /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
 375                            BIGMAC_REGISTER_TX_STAT_GTBYT */
 376                         if (CHIP_IS_E1x(bp)) {
 377                                 tx_src_addr_lo = (mac_addr +
 378                                         BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 379                                 tx_len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
 380                                           BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 381                                 rx_src_addr_lo = (mac_addr +
 382                                         BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 383                                 rx_len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
 384                                           BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 385                         } else {
 386                                 tx_src_addr_lo = (mac_addr +
 387                                         BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 388                                 tx_len = (8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
 389                                           BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 390                                 rx_src_addr_lo = (mac_addr +
 391                                         BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 392                                 rx_len = (8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
 393                                           BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 394                         }
 395                         break;
 396
 397                 case MAC_TYPE_UMAC: /* handled by MSTAT */
 398                 case MAC_TYPE_XMAC: /* handled by MSTAT */
 399                 default:
 400                         mac_addr = port ? GRCBASE_MSTAT1 : GRCBASE_MSTAT0;
 401                         tx_src_addr_lo = (mac_addr +
 402                                           MSTAT_REG_TX_STAT_GTXPOK_LO) >> 2;
 403                         rx_src_addr_lo = (mac_addr +
 404                                           MSTAT_REG_RX_STAT_GR64_LO) >> 2;
 405                         tx_len = sizeof(bp->slowpath->
 406                                         mac_stats.mstat_stats.stats_tx) >> 2;
 407                         rx_len = sizeof(bp->slowpath->
 408                                         mac_stats.mstat_stats.stats_rx) >> 2;
 409                         break;
 410                 }
 411
 412                 /* TX stats */
 413                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 414                 dmae->opcode = opcode;
 415                 dmae->src_addr_lo = tx_src_addr_lo;
 416                 dmae->src_addr_hi = 0;
 417                 dmae->len = tx_len;
 418                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 419                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 420                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 421                 dmae->comp_addr_hi = 0;
 422                 dmae->comp_val = 1;
 423
 424                 /* RX stats */
 425                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 426                 dmae->opcode = opcode;
 427                 dmae->src_addr_hi = 0;
 428                 dmae->src_addr_lo = rx_src_addr_lo;
 429                 dmae->dst_addr_lo =
 430                         U64_LO(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 431                 dmae->dst_addr_hi =
 432                         U64_HI(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 433                 dmae->len = rx_len;
 434                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 435                 dmae->comp_addr_hi = 0;
 436                 dmae->comp_val = 1;
 437         }
 438
 439         /* NIG */
 440         if (!CHIP_IS_E3(bp)) {
 441                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 442                 dmae->opcode = opcode;
 443                 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
 444                                             NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
 445                 dmae->src_addr_hi = 0;
 446                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 447                                 offsetof(struct nig_stats, egress_mac_pkt0_lo));
 448                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 449                                 offsetof(struct nig_stats, egress_mac_pkt0_lo));
 450                 dmae->len = (2*sizeof(u32)) >> 2;
 451                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 452                 dmae->comp_addr_hi = 0;
 453                 dmae->comp_val = 1;
 454
 455                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 456                 dmae->opcode = opcode;
 457                 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
 458                                             NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
 459                 dmae->src_addr_hi = 0;
 460                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 461                                 offsetof(struct nig_stats, egress_mac_pkt1_lo));
 462                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 463                                 offsetof(struct nig_stats, egress_mac_pkt1_lo));
 464                 dmae->len = (2*sizeof(u32)) >> 2;
 465                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 466                 dmae->comp_addr_hi = 0;
 467                 dmae->comp_val = 1;
 468         }
 469
 470         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 471         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 472                                                  true, DMAE_COMP_PCI);
 473         dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
 474                                     NIG_REG_STAT0_BRB_DISCARD) >> 2;
 475         dmae->src_addr_hi = 0;
 476         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
 477         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
 478         dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
 479
 480         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 481         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 482         dmae->comp_val = DMAE_COMP_VAL;
 483
 484         *stats_comp = 0;
 485 }
 486
 487 static void bnx2x_func_stats_init(struct bnx2x *bp)
 488 {
 489         struct dmae_command *dmae = &bp->stats_dmae;
 490         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 491
 492         /* sanity */
 493         if (!bp->func_stx) {
 494                 BNX2X_ERR("BUG!\n");
 495                 return;
 496         }
 497
 498         bp->executer_idx = 0;
 499         memset(dmae, 0, sizeof(struct dmae_command));
 500
 501         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 502                                          true, DMAE_COMP_PCI);
 503         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 504         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 505         dmae->dst_addr_lo = bp->func_stx >> 2;
 506         dmae->dst_addr_hi = 0;
 507         dmae->len = sizeof(struct host_func_stats) >> 2;
 508         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 509         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 510         dmae->comp_val = DMAE_COMP_VAL;
 511
 512         *stats_comp = 0;
 513 }
 514
 515 /* should be called under stats_sema */
 516 static void bnx2x_stats_start(struct bnx2x *bp)
 517 {
 518         if (IS_PF(bp)) {
 519                 if (bp->port.pmf)
 520                         bnx2x_port_stats_init(bp);
 521
 522                 else if (bp->func_stx)
 523                         bnx2x_func_stats_init(bp);
 524
 525                 bnx2x_hw_stats_post(bp);
 526                 bnx2x_storm_stats_post(bp);
 527         }
 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         /* vfs travel through here as part of the statistics FSM, but no action
 540          * is required
 541          */
 542         if (IS_VF(bp))
 543                 return;
 544
 545         bnx2x_stats_comp(bp);
 546         bnx2x_stats_start(bp);
 547 }
 548
 549 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
 550 {
 551         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 552         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 553         struct {
 554                 u32 lo;
 555                 u32 hi;
 556         } diff;
 557
 558         if (CHIP_IS_E1x(bp)) {
 559                 struct bmac1_stats *new = bnx2x_sp(bp, mac_stats.bmac1_stats);
 560
 561                 /* the macros below will use "bmac1_stats" type */
 562                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 563                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 564                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 565                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 566                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 567                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 568                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 569                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 570                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 571
 572                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 573                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 574                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 575                 UPDATE_STAT64(tx_stat_gt127,
 576                                 tx_stat_etherstatspkts65octetsto127octets);
 577                 UPDATE_STAT64(tx_stat_gt255,
 578                                 tx_stat_etherstatspkts128octetsto255octets);
 579                 UPDATE_STAT64(tx_stat_gt511,
 580                                 tx_stat_etherstatspkts256octetsto511octets);
 581                 UPDATE_STAT64(tx_stat_gt1023,
 582                                 tx_stat_etherstatspkts512octetsto1023octets);
 583                 UPDATE_STAT64(tx_stat_gt1518,
 584                                 tx_stat_etherstatspkts1024octetsto1522octets);
 585                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 586                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 587                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 588                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 589                 UPDATE_STAT64(tx_stat_gterr,
 590                                 tx_stat_dot3statsinternalmactransmiterrors);
 591                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 592
 593         } else {
 594                 struct bmac2_stats *new = bnx2x_sp(bp, mac_stats.bmac2_stats);
 595
 596                 /* the macros below will use "bmac2_stats" type */
 597                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 598                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 599                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 600                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 601                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 602                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 603                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 604                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 605                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 606                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 607                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 608                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 609                 UPDATE_STAT64(tx_stat_gt127,
 610                                 tx_stat_etherstatspkts65octetsto127octets);
 611                 UPDATE_STAT64(tx_stat_gt255,
 612                                 tx_stat_etherstatspkts128octetsto255octets);
 613                 UPDATE_STAT64(tx_stat_gt511,
 614                                 tx_stat_etherstatspkts256octetsto511octets);
 615                 UPDATE_STAT64(tx_stat_gt1023,
 616                                 tx_stat_etherstatspkts512octetsto1023octets);
 617                 UPDATE_STAT64(tx_stat_gt1518,
 618                                 tx_stat_etherstatspkts1024octetsto1522octets);
 619                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 620                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 621                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 622                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 623                 UPDATE_STAT64(tx_stat_gterr,
 624                                 tx_stat_dot3statsinternalmactransmiterrors);
 625                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 626
 627                 /* collect PFC stats */
 628                 pstats->pfc_frames_tx_hi = new->tx_stat_gtpp_hi;
 629                 pstats->pfc_frames_tx_lo = new->tx_stat_gtpp_lo;
 630
 631                 pstats->pfc_frames_rx_hi = new->rx_stat_grpp_hi;
 632                 pstats->pfc_frames_rx_lo = new->rx_stat_grpp_lo;
 633         }
 634
 635         estats->pause_frames_received_hi =
 636                                 pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 637         estats->pause_frames_received_lo =
 638                                 pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 639
 640         estats->pause_frames_sent_hi =
 641                                 pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 642         estats->pause_frames_sent_lo =
 643                                 pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 644
 645         estats->pfc_frames_received_hi =
 646                                 pstats->pfc_frames_rx_hi;
 647         estats->pfc_frames_received_lo =
 648                                 pstats->pfc_frames_rx_lo;
 649         estats->pfc_frames_sent_hi =
 650                                 pstats->pfc_frames_tx_hi;
 651         estats->pfc_frames_sent_lo =
 652                                 pstats->pfc_frames_tx_lo;
 653 }
 654
 655 static void bnx2x_mstat_stats_update(struct bnx2x *bp)
 656 {
 657         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 658         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 659
 660         struct mstat_stats *new = bnx2x_sp(bp, mac_stats.mstat_stats);
 661
 662         ADD_STAT64(stats_rx.rx_grerb, rx_stat_ifhcinbadoctets);
 663         ADD_STAT64(stats_rx.rx_grfcs, rx_stat_dot3statsfcserrors);
 664         ADD_STAT64(stats_rx.rx_grund, rx_stat_etherstatsundersizepkts);
 665         ADD_STAT64(stats_rx.rx_grovr, rx_stat_dot3statsframestoolong);
 666         ADD_STAT64(stats_rx.rx_grfrg, rx_stat_etherstatsfragments);
 667         ADD_STAT64(stats_rx.rx_grxcf, rx_stat_maccontrolframesreceived);
 668         ADD_STAT64(stats_rx.rx_grxpf, rx_stat_xoffstateentered);
 669         ADD_STAT64(stats_rx.rx_grxpf, rx_stat_mac_xpf);
 670         ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_outxoffsent);
 671         ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_flowcontroldone);
 672
 673         /* collect pfc stats */
 674         ADD_64(pstats->pfc_frames_tx_hi, new->stats_tx.tx_gtxpp_hi,
 675                 pstats->pfc_frames_tx_lo, new->stats_tx.tx_gtxpp_lo);
 676         ADD_64(pstats->pfc_frames_rx_hi, new->stats_rx.rx_grxpp_hi,
 677                 pstats->pfc_frames_rx_lo, new->stats_rx.rx_grxpp_lo);
 678
 679         ADD_STAT64(stats_tx.tx_gt64, tx_stat_etherstatspkts64octets);
 680         ADD_STAT64(stats_tx.tx_gt127,
 681                         tx_stat_etherstatspkts65octetsto127octets);
 682         ADD_STAT64(stats_tx.tx_gt255,
 683                         tx_stat_etherstatspkts128octetsto255octets);
 684         ADD_STAT64(stats_tx.tx_gt511,
 685                         tx_stat_etherstatspkts256octetsto511octets);
 686         ADD_STAT64(stats_tx.tx_gt1023,
 687                         tx_stat_etherstatspkts512octetsto1023octets);
 688         ADD_STAT64(stats_tx.tx_gt1518,
 689                         tx_stat_etherstatspkts1024octetsto1522octets);
 690         ADD_STAT64(stats_tx.tx_gt2047, tx_stat_mac_2047);
 691
 692         ADD_STAT64(stats_tx.tx_gt4095, tx_stat_mac_4095);
 693         ADD_STAT64(stats_tx.tx_gt9216, tx_stat_mac_9216);
 694         ADD_STAT64(stats_tx.tx_gt16383, tx_stat_mac_16383);
 695
 696         ADD_STAT64(stats_tx.tx_gterr,
 697                         tx_stat_dot3statsinternalmactransmiterrors);
 698         ADD_STAT64(stats_tx.tx_gtufl, tx_stat_mac_ufl);
 699
 700         estats->etherstatspkts1024octetsto1522octets_hi =
 701             pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_hi;
 702         estats->etherstatspkts1024octetsto1522octets_lo =
 703             pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_lo;
 704
 705         estats->etherstatspktsover1522octets_hi =
 706             pstats->mac_stx[1].tx_stat_mac_2047_hi;
 707         estats->etherstatspktsover1522octets_lo =
 708             pstats->mac_stx[1].tx_stat_mac_2047_lo;
 709
 710         ADD_64(estats->etherstatspktsover1522octets_hi,
 711                pstats->mac_stx[1].tx_stat_mac_4095_hi,
 712                estats->etherstatspktsover1522octets_lo,
 713                pstats->mac_stx[1].tx_stat_mac_4095_lo);
 714
 715         ADD_64(estats->etherstatspktsover1522octets_hi,
 716                pstats->mac_stx[1].tx_stat_mac_9216_hi,
 717                estats->etherstatspktsover1522octets_lo,
 718                pstats->mac_stx[1].tx_stat_mac_9216_lo);
 719
 720         ADD_64(estats->etherstatspktsover1522octets_hi,
 721                pstats->mac_stx[1].tx_stat_mac_16383_hi,
 722                estats->etherstatspktsover1522octets_lo,
 723                pstats->mac_stx[1].tx_stat_mac_16383_lo);
 724
 725         estats->pause_frames_received_hi =
 726                                 pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 727         estats->pause_frames_received_lo =
 728                                 pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 729
 730         estats->pause_frames_sent_hi =
 731                                 pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 732         estats->pause_frames_sent_lo =
 733                                 pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 734
 735         estats->pfc_frames_received_hi =
 736                                 pstats->pfc_frames_rx_hi;
 737         estats->pfc_frames_received_lo =
 738                                 pstats->pfc_frames_rx_lo;
 739         estats->pfc_frames_sent_hi =
 740                                 pstats->pfc_frames_tx_hi;
 741         estats->pfc_frames_sent_lo =
 742                                 pstats->pfc_frames_tx_lo;
 743 }
 744
 745 static void bnx2x_emac_stats_update(struct bnx2x *bp)
 746 {
 747         struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
 748         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 749         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 750
 751         UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
 752         UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
 753         UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
 754         UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
 755         UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
 756         UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
 757         UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
 758         UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
 759         UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
 760         UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
 761         UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
 762         UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
 763         UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
 764         UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
 765         UPDATE_EXTEND_STAT(tx_stat_outxonsent);
 766         UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
 767         UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
 768         UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
 769         UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
 770         UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
 771         UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
 772         UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
 773         UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
 774         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
 775         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
 776         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
 777         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
 778         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
 779         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
 780         UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
 781         UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
 782
 783         estats->pause_frames_received_hi =
 784                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi;
 785         estats->pause_frames_received_lo =
 786                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo;
 787         ADD_64(estats->pause_frames_received_hi,
 788                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi,
 789                estats->pause_frames_received_lo,
 790                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo);
 791
 792         estats->pause_frames_sent_hi =
 793                         pstats->mac_stx[1].tx_stat_outxonsent_hi;
 794         estats->pause_frames_sent_lo =
 795                         pstats->mac_stx[1].tx_stat_outxonsent_lo;
 796         ADD_64(estats->pause_frames_sent_hi,
 797                pstats->mac_stx[1].tx_stat_outxoffsent_hi,
 798                estats->pause_frames_sent_lo,
 799                pstats->mac_stx[1].tx_stat_outxoffsent_lo);
 800 }
 801
 802 static int bnx2x_hw_stats_update(struct bnx2x *bp)
 803 {
 804         struct nig_stats *new = bnx2x_sp(bp, nig_stats);
 805         struct nig_stats *old = &(bp->port.old_nig_stats);
 806         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 807         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 808         struct {
 809                 u32 lo;
 810                 u32 hi;
 811         } diff;
 812
 813         switch (bp->link_vars.mac_type) {
 814         case MAC_TYPE_BMAC:
 815                 bnx2x_bmac_stats_update(bp);
 816                 break;
 817
 818         case MAC_TYPE_EMAC:
 819                 bnx2x_emac_stats_update(bp);
 820                 break;
 821
 822         case MAC_TYPE_UMAC:
 823         case MAC_TYPE_XMAC:
 824                 bnx2x_mstat_stats_update(bp);
 825                 break;
 826
 827         case MAC_TYPE_NONE: /* unreached */
 828                 DP(BNX2X_MSG_STATS,
 829                    "stats updated by DMAE but no MAC active\n");
 830                 return -1;
 831
 832         default: /* unreached */
 833                 BNX2X_ERR("Unknown MAC type\n");
 834         }
 835
 836         ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
 837                       new->brb_discard - old->brb_discard);
 838         ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
 839                       new->brb_truncate - old->brb_truncate);
 840
 841         if (!CHIP_IS_E3(bp)) {
 842                 UPDATE_STAT64_NIG(egress_mac_pkt0,
 843                                         etherstatspkts1024octetsto1522octets);
 844                 UPDATE_STAT64_NIG(egress_mac_pkt1,
 845                                         etherstatspktsover1522octets);
 846         }
 847
 848         memcpy(old, new, sizeof(struct nig_stats));
 849
 850         memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
 851                sizeof(struct mac_stx));
 852         estats->brb_drop_hi = pstats->brb_drop_hi;
 853         estats->brb_drop_lo = pstats->brb_drop_lo;
 854
 855         pstats->host_port_stats_counter++;
 856
 857         if (CHIP_IS_E3(bp)) {
 858                 u32 lpi_reg = BP_PORT(bp) ? MISC_REG_CPMU_LP_SM_ENT_CNT_P1
 859                                           : MISC_REG_CPMU_LP_SM_ENT_CNT_P0;
 860                 estats->eee_tx_lpi += REG_RD(bp, lpi_reg);
 861         }
 862
 863         if (!BP_NOMCP(bp)) {
 864                 u32 nig_timer_max =
 865                         SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer);
 866                 if (nig_timer_max != estats->nig_timer_max) {
 867                         estats->nig_timer_max = nig_timer_max;
 868                         BNX2X_ERR("NIG timer max (%u)\n",
 869                                   estats->nig_timer_max);
 870                 }
 871         }
 872
 873         return 0;
 874 }
 875
 876 static int bnx2x_storm_stats_validate_counters(struct bnx2x *bp)
 877 {
 878         struct stats_counter *counters = &bp->fw_stats_data->storm_counters;
 879         u16 cur_stats_counter;
 880         /* Make sure we use the value of the counter
 881          * used for sending the last stats ramrod.
 882          */
 883         cur_stats_counter = bp->stats_counter - 1;
 884
 885         /* are storm stats valid? */
 886         if (le16_to_cpu(counters->xstats_counter) != cur_stats_counter) {
 887                 DP(BNX2X_MSG_STATS,
 888                    "stats not updated by xstorm  xstorm counter (0x%x) != stats_counter (0x%x)\n",
 889                    le16_to_cpu(counters->xstats_counter), bp->stats_counter);
 890                 return -EAGAIN;
 891         }
 892
 893         if (le16_to_cpu(counters->ustats_counter) != cur_stats_counter) {
 894                 DP(BNX2X_MSG_STATS,
 895                    "stats not updated by ustorm  ustorm counter (0x%x) != stats_counter (0x%x)\n",
 896                    le16_to_cpu(counters->ustats_counter), bp->stats_counter);
 897                 return -EAGAIN;
 898         }
 899
 900         if (le16_to_cpu(counters->cstats_counter) != cur_stats_counter) {
 901                 DP(BNX2X_MSG_STATS,
 902                    "stats not updated by cstorm  cstorm counter (0x%x) != stats_counter (0x%x)\n",
 903                    le16_to_cpu(counters->cstats_counter), bp->stats_counter);
 904                 return -EAGAIN;
 905         }
 906
 907         if (le16_to_cpu(counters->tstats_counter) != cur_stats_counter) {
 908                 DP(BNX2X_MSG_STATS,
 909                    "stats not updated by tstorm  tstorm counter (0x%x) != stats_counter (0x%x)\n",
 910                    le16_to_cpu(counters->tstats_counter), bp->stats_counter);
 911                 return -EAGAIN;
 912         }
 913         return 0;
 914 }
 915
 916 static int bnx2x_storm_stats_update(struct bnx2x *bp)
 917 {
 918         struct tstorm_per_port_stats *tport =
 919                                 &bp->fw_stats_data->port.tstorm_port_statistics;
 920         struct tstorm_per_pf_stats *tfunc =
 921                                 &bp->fw_stats_data->pf.tstorm_pf_statistics;
 922         struct host_func_stats *fstats = &bp->func_stats;
 923         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 924         struct bnx2x_eth_stats_old *estats_old = &bp->eth_stats_old;
 925         int i;
 926
 927         /* vfs stat counter is managed by pf */
 928         if (IS_PF(bp) && bnx2x_storm_stats_validate_counters(bp))
 929                 return -EAGAIN;
 930
 931         estats->error_bytes_received_hi = 0;
 932         estats->error_bytes_received_lo = 0;
 933
 934         for_each_eth_queue(bp, i) {
 935                 struct bnx2x_fastpath *fp = &bp->fp[i];
 936                 struct tstorm_per_queue_stats *tclient =
 937                         &bp->fw_stats_data->queue_stats[i].
 938                         tstorm_queue_statistics;
 939                 struct tstorm_per_queue_stats *old_tclient =
 940                         &bnx2x_fp_stats(bp, fp)->old_tclient;
 941                 struct ustorm_per_queue_stats *uclient =
 942                         &bp->fw_stats_data->queue_stats[i].
 943                         ustorm_queue_statistics;
 944                 struct ustorm_per_queue_stats *old_uclient =
 945                         &bnx2x_fp_stats(bp, fp)->old_uclient;
 946                 struct xstorm_per_queue_stats *xclient =
 947                         &bp->fw_stats_data->queue_stats[i].
 948                         xstorm_queue_statistics;
 949                 struct xstorm_per_queue_stats *old_xclient =
 950                         &bnx2x_fp_stats(bp, fp)->old_xclient;
 951                 struct bnx2x_eth_q_stats *qstats =
 952                         &bnx2x_fp_stats(bp, fp)->eth_q_stats;
 953                 struct bnx2x_eth_q_stats_old *qstats_old =
 954                         &bnx2x_fp_stats(bp, fp)->eth_q_stats_old;
 955
 956                 u32 diff;
 957
 958                 DP(BNX2X_MSG_STATS, "queue[%d]: ucast_sent 0x%x, bcast_sent 0x%x mcast_sent 0x%x\n",
 959                    i, xclient->ucast_pkts_sent,
 960                    xclient->bcast_pkts_sent, xclient->mcast_pkts_sent);
 961
 962                 DP(BNX2X_MSG_STATS, "---------------\n");
 963
 964                 UPDATE_QSTAT(tclient->rcv_bcast_bytes,
 965                              total_broadcast_bytes_received);
 966                 UPDATE_QSTAT(tclient->rcv_mcast_bytes,
 967                              total_multicast_bytes_received);
 968                 UPDATE_QSTAT(tclient->rcv_ucast_bytes,
 969                              total_unicast_bytes_received);
 970
 971                 /*
 972                  * sum to total_bytes_received all
 973                  * unicast/multicast/broadcast
 974                  */
 975                 qstats->total_bytes_received_hi =
 976                         qstats->total_broadcast_bytes_received_hi;
 977                 qstats->total_bytes_received_lo =
 978                         qstats->total_broadcast_bytes_received_lo;
 979
 980                 ADD_64(qstats->total_bytes_received_hi,
 981                        qstats->total_multicast_bytes_received_hi,
 982                        qstats->total_bytes_received_lo,
 983                        qstats->total_multicast_bytes_received_lo);
 984
 985                 ADD_64(qstats->total_bytes_received_hi,
 986                        qstats->total_unicast_bytes_received_hi,
 987                        qstats->total_bytes_received_lo,
 988                        qstats->total_unicast_bytes_received_lo);
 989
 990                 qstats->valid_bytes_received_hi =
 991                                         qstats->total_bytes_received_hi;
 992                 qstats->valid_bytes_received_lo =
 993                                         qstats->total_bytes_received_lo;
 994
 995                 UPDATE_EXTEND_TSTAT(rcv_ucast_pkts,
 996                                         total_unicast_packets_received);
 997                 UPDATE_EXTEND_TSTAT(rcv_mcast_pkts,
 998                                         total_multicast_packets_received);
 999                 UPDATE_EXTEND_TSTAT(rcv_bcast_pkts,
1000                                         total_broadcast_packets_received);
1001                 UPDATE_EXTEND_E_TSTAT(pkts_too_big_discard,
1002                                       etherstatsoverrsizepkts, 32);
1003                 UPDATE_EXTEND_E_TSTAT(no_buff_discard, no_buff_discard, 16);
1004
1005                 SUB_EXTEND_USTAT(ucast_no_buff_pkts,
1006                                         total_unicast_packets_received);
1007                 SUB_EXTEND_USTAT(mcast_no_buff_pkts,
1008                                         total_multicast_packets_received);
1009                 SUB_EXTEND_USTAT(bcast_no_buff_pkts,
1010                                         total_broadcast_packets_received);
1011                 UPDATE_EXTEND_E_USTAT(ucast_no_buff_pkts, no_buff_discard);
1012                 UPDATE_EXTEND_E_USTAT(mcast_no_buff_pkts, no_buff_discard);
1013                 UPDATE_EXTEND_E_USTAT(bcast_no_buff_pkts, no_buff_discard);
1014
1015                 UPDATE_QSTAT(xclient->bcast_bytes_sent,
1016                              total_broadcast_bytes_transmitted);
1017                 UPDATE_QSTAT(xclient->mcast_bytes_sent,
1018                              total_multicast_bytes_transmitted);
1019                 UPDATE_QSTAT(xclient->ucast_bytes_sent,
1020                              total_unicast_bytes_transmitted);
1021
1022                 /*
1023                  * sum to total_bytes_transmitted all
1024                  * unicast/multicast/broadcast
1025                  */
1026                 qstats->total_bytes_transmitted_hi =
1027                                 qstats->total_unicast_bytes_transmitted_hi;
1028                 qstats->total_bytes_transmitted_lo =
1029                                 qstats->total_unicast_bytes_transmitted_lo;
1030
1031                 ADD_64(qstats->total_bytes_transmitted_hi,
1032                        qstats->total_broadcast_bytes_transmitted_hi,
1033                        qstats->total_bytes_transmitted_lo,
1034                        qstats->total_broadcast_bytes_transmitted_lo);
1035
1036                 ADD_64(qstats->total_bytes_transmitted_hi,
1037                        qstats->total_multicast_bytes_transmitted_hi,
1038                        qstats->total_bytes_transmitted_lo,
1039                        qstats->total_multicast_bytes_transmitted_lo);
1040
1041                 UPDATE_EXTEND_XSTAT(ucast_pkts_sent,
1042                                         total_unicast_packets_transmitted);
1043                 UPDATE_EXTEND_XSTAT(mcast_pkts_sent,
1044                                         total_multicast_packets_transmitted);
1045                 UPDATE_EXTEND_XSTAT(bcast_pkts_sent,
1046                                         total_broadcast_packets_transmitted);
1047
1048                 UPDATE_EXTEND_TSTAT(checksum_discard,
1049                                     total_packets_received_checksum_discarded);
1050                 UPDATE_EXTEND_TSTAT(ttl0_discard,
1051                                     total_packets_received_ttl0_discarded);
1052
1053                 UPDATE_EXTEND_XSTAT(error_drop_pkts,
1054                                     total_transmitted_dropped_packets_error);
1055
1056                 /* TPA aggregations completed */
1057                 UPDATE_EXTEND_E_USTAT(coalesced_events, total_tpa_aggregations);
1058                 /* Number of network frames aggregated by TPA */
1059                 UPDATE_EXTEND_E_USTAT(coalesced_pkts,
1060                                       total_tpa_aggregated_frames);
1061                 /* Total number of bytes in completed TPA aggregations */
1062                 UPDATE_QSTAT(uclient->coalesced_bytes, total_tpa_bytes);
1063
1064                 UPDATE_ESTAT_QSTAT_64(total_tpa_bytes);
1065
1066                 UPDATE_FSTAT_QSTAT(total_bytes_received);
1067                 UPDATE_FSTAT_QSTAT(total_bytes_transmitted);
1068                 UPDATE_FSTAT_QSTAT(total_unicast_packets_received);
1069                 UPDATE_FSTAT_QSTAT(total_multicast_packets_received);
1070                 UPDATE_FSTAT_QSTAT(total_broadcast_packets_received);
1071                 UPDATE_FSTAT_QSTAT(total_unicast_packets_transmitted);
1072                 UPDATE_FSTAT_QSTAT(total_multicast_packets_transmitted);
1073                 UPDATE_FSTAT_QSTAT(total_broadcast_packets_transmitted);
1074                 UPDATE_FSTAT_QSTAT(valid_bytes_received);
1075         }
1076
1077         ADD_64(estats->total_bytes_received_hi,
1078                estats->rx_stat_ifhcinbadoctets_hi,
1079                estats->total_bytes_received_lo,
1080                estats->rx_stat_ifhcinbadoctets_lo);
1081
1082         ADD_64_LE(estats->total_bytes_received_hi,
1083                   tfunc->rcv_error_bytes.hi,
1084                   estats->total_bytes_received_lo,
1085                   tfunc->rcv_error_bytes.lo);
1086
1087         ADD_64_LE(estats->error_bytes_received_hi,
1088                   tfunc->rcv_error_bytes.hi,
1089                   estats->error_bytes_received_lo,
1090                   tfunc->rcv_error_bytes.lo);
1091
1092         UPDATE_ESTAT(etherstatsoverrsizepkts, rx_stat_dot3statsframestoolong);
1093
1094         ADD_64(estats->error_bytes_received_hi,
1095                estats->rx_stat_ifhcinbadoctets_hi,
1096                estats->error_bytes_received_lo,
1097                estats->rx_stat_ifhcinbadoctets_lo);
1098
1099         if (bp->port.pmf) {
1100                 struct bnx2x_fw_port_stats_old *fwstats = &bp->fw_stats_old;
1101                 UPDATE_FW_STAT(mac_filter_discard);
1102                 UPDATE_FW_STAT(mf_tag_discard);
1103                 UPDATE_FW_STAT(brb_truncate_discard);
1104                 UPDATE_FW_STAT(mac_discard);
1105         }
1106
1107         fstats->host_func_stats_start = ++fstats->host_func_stats_end;
1108
1109         bp->stats_pending = 0;
1110
1111         return 0;
1112 }
1113
1114 static void bnx2x_net_stats_update(struct bnx2x *bp)
1115 {
1116         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1117         struct net_device_stats *nstats = &bp->dev->stats;
1118         unsigned long tmp;
1119         int i;
1120
1121         nstats->rx_packets =
1122                 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
1123                 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
1124                 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
1125
1126         nstats->tx_packets =
1127                 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
1128                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
1129                 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
1130
1131         nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi);
1132
1133         nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
1134
1135         tmp = estats->mac_discard;
1136         for_each_rx_queue(bp, i) {
1137                 struct tstorm_per_queue_stats *old_tclient =
1138                         &bp->fp_stats[i].old_tclient;
1139                 tmp += le32_to_cpu(old_tclient->checksum_discard);
1140         }
1141         nstats->rx_dropped = tmp + bp->net_stats_old.rx_dropped;
1142
1143         nstats->tx_dropped = 0;
1144
1145         nstats->multicast =
1146                 bnx2x_hilo(&estats->total_multicast_packets_received_hi);
1147
1148         nstats->collisions =
1149                 bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi);
1150
1151         nstats->rx_length_errors =
1152                 bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) +
1153                 bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi);
1154         nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) +
1155                                  bnx2x_hilo(&estats->brb_truncate_hi);
1156         nstats->rx_crc_errors =
1157                 bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi);
1158         nstats->rx_frame_errors =
1159                 bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi);
1160         nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi);
1161         nstats->rx_missed_errors = 0;
1162
1163         nstats->rx_errors = nstats->rx_length_errors +
1164                             nstats->rx_over_errors +
1165                             nstats->rx_crc_errors +
1166                             nstats->rx_frame_errors +
1167                             nstats->rx_fifo_errors +
1168                             nstats->rx_missed_errors;
1169
1170         nstats->tx_aborted_errors =
1171                 bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) +
1172                 bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi);
1173         nstats->tx_carrier_errors =
1174                 bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi);
1175         nstats->tx_fifo_errors = 0;
1176         nstats->tx_heartbeat_errors = 0;
1177         nstats->tx_window_errors = 0;
1178
1179         nstats->tx_errors = nstats->tx_aborted_errors +
1180                             nstats->tx_carrier_errors +
1181             bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi);
1182 }
1183
1184 static void bnx2x_drv_stats_update(struct bnx2x *bp)
1185 {
1186         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1187         int i;
1188
1189         for_each_queue(bp, i) {
1190                 struct bnx2x_eth_q_stats *qstats = &bp->fp_stats[i].eth_q_stats;
1191                 struct bnx2x_eth_q_stats_old *qstats_old =
1192                         &bp->fp_stats[i].eth_q_stats_old;
1193
1194                 UPDATE_ESTAT_QSTAT(driver_xoff);
1195                 UPDATE_ESTAT_QSTAT(rx_err_discard_pkt);
1196                 UPDATE_ESTAT_QSTAT(rx_skb_alloc_failed);
1197                 UPDATE_ESTAT_QSTAT(hw_csum_err);
1198                 UPDATE_ESTAT_QSTAT(driver_filtered_tx_pkt);
1199         }
1200 }
1201
1202 static bool bnx2x_edebug_stats_stopped(struct bnx2x *bp)
1203 {
1204         u32 val;
1205
1206         if (SHMEM2_HAS(bp, edebug_driver_if[1])) {
1207                 val = SHMEM2_RD(bp, edebug_driver_if[1]);
1208
1209                 if (val == EDEBUG_DRIVER_IF_OP_CODE_DISABLE_STAT)
1210                         return true;
1211         }
1212
1213         return false;
1214 }
1215
1216 static void bnx2x_stats_update(struct bnx2x *bp)
1217 {
1218         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1219
1220         if (bnx2x_edebug_stats_stopped(bp))
1221                 return;
1222
1223         if (IS_PF(bp)) {
1224                 if (*stats_comp != DMAE_COMP_VAL)
1225                         return;
1226
1227                 if (bp->port.pmf)
1228                         bnx2x_hw_stats_update(bp);
1229
1230                 if (bnx2x_storm_stats_update(bp)) {
1231                         if (bp->stats_pending++ == 3) {
1232                                 BNX2X_ERR("storm stats were not updated for 3 times\n");
1233                                 bnx2x_panic();
1234                         }
1235                         return;
1236                 }
1237         } else {
1238                 /* vf doesn't collect HW statistics, and doesn't get completions
1239                  * perform only update
1240                  */
1241                 bnx2x_storm_stats_update(bp);
1242         }
1243
1244         bnx2x_net_stats_update(bp);
1245         bnx2x_drv_stats_update(bp);
1246
1247         /* vf is done */
1248         if (IS_VF(bp))
1249                 return;
1250
1251         if (netif_msg_timer(bp)) {
1252                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
1253
1254                 netdev_dbg(bp->dev, "brb drops %u  brb truncate %u\n",
1255                        estats->brb_drop_lo, estats->brb_truncate_lo);
1256         }
1257
1258         bnx2x_hw_stats_post(bp);
1259         bnx2x_storm_stats_post(bp);
1260 }
1261
1262 static void bnx2x_port_stats_stop(struct bnx2x *bp)
1263 {
1264         struct dmae_command *dmae;
1265         u32 opcode;
1266         int loader_idx = PMF_DMAE_C(bp);
1267         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1268
1269         bp->executer_idx = 0;
1270
1271         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC, false, 0);
1272
1273         if (bp->port.port_stx) {
1274
1275                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1276                 if (bp->func_stx)
1277                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1278                                                 opcode, DMAE_COMP_GRC);
1279                 else
1280                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1281                                                 opcode, DMAE_COMP_PCI);
1282
1283                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1284                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1285                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
1286                 dmae->dst_addr_hi = 0;
1287                 dmae->len = bnx2x_get_port_stats_dma_len(bp);
1288                 if (bp->func_stx) {
1289                         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
1290                         dmae->comp_addr_hi = 0;
1291                         dmae->comp_val = 1;
1292                 } else {
1293                         dmae->comp_addr_lo =
1294                                 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1295                         dmae->comp_addr_hi =
1296                                 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1297                         dmae->comp_val = DMAE_COMP_VAL;
1298
1299                         *stats_comp = 0;
1300                 }
1301         }
1302
1303         if (bp->func_stx) {
1304
1305                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1306                 dmae->opcode =
1307                         bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
1308                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
1309                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
1310                 dmae->dst_addr_lo = bp->func_stx >> 2;
1311                 dmae->dst_addr_hi = 0;
1312                 dmae->len = sizeof(struct host_func_stats) >> 2;
1313                 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1314                 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1315                 dmae->comp_val = DMAE_COMP_VAL;
1316
1317                 *stats_comp = 0;
1318         }
1319 }
1320
1321 static void bnx2x_stats_stop(struct bnx2x *bp)
1322 {
1323         bool update = false;
1324
1325         bnx2x_stats_comp(bp);
1326
1327         if (bp->port.pmf)
1328                 update = (bnx2x_hw_stats_update(bp) == 0);
1329
1330         update |= (bnx2x_storm_stats_update(bp) == 0);
1331
1332         if (update) {
1333                 bnx2x_net_stats_update(bp);
1334
1335                 if (bp->port.pmf)
1336                         bnx2x_port_stats_stop(bp);
1337
1338                 bnx2x_hw_stats_post(bp);
1339                 bnx2x_stats_comp(bp);
1340         }
1341 }
1342
1343 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
1344 {
1345 }
1346
1347 static const struct {
1348         void (*action)(struct bnx2x *bp);
1349         enum bnx2x_stats_state next_state;
1350 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
1351 /* state        event   */
1352 {
1353 /* DISABLED     PMF     */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
1354 /*              LINK_UP */ {bnx2x_stats_start,      STATS_STATE_ENABLED},
1355 /*              UPDATE  */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
1356 /*              STOP    */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
1357 },
1358 {
1359 /* ENABLED      PMF     */ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
1360 /*              LINK_UP */ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
1361 /*              UPDATE  */ {bnx2x_stats_update,     STATS_STATE_ENABLED},
1362 /*              STOP    */ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
1363 }
1364 };
1365
1366 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
1367 {
1368         enum bnx2x_stats_state state = bp->stats_state;
1369
1370         if (unlikely(bp->panic))
1371                 return;
1372
1373         /* Statistics update run from timer context, and we don't want to stop
1374          * that context in case someone is in the middle of a transition.
1375          * For other events, wait a bit until lock is taken.
1376          */
1377         if (down_trylock(&bp->stats_lock)) {
1378                 if (event == STATS_EVENT_UPDATE)
1379                         return;
1380
1381                 DP(BNX2X_MSG_STATS,
1382                    "Unlikely stats' lock contention [event %d]\n", event);
1383                 if (unlikely(down_timeout(&bp->stats_lock, HZ / 10))) {
1384                         BNX2X_ERR("Failed to take stats lock [event %d]\n",
1385                                   event);
1386                         return;
1387                 }
1388         }
1389
1390         bnx2x_stats_stm[state][event].action(bp);
1391         bp->stats_state = bnx2x_stats_stm[state][event].next_state;
1392
1393         up(&bp->stats_lock);
1394
1395         if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
1396                 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
1397                    state, event, bp->stats_state);
1398 }
1399
1400 static void bnx2x_port_stats_base_init(struct bnx2x *bp)
1401 {
1402         struct dmae_command *dmae;
1403         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1404
1405         /* sanity */
1406         if (!bp->port.pmf || !bp->port.port_stx) {
1407                 BNX2X_ERR("BUG!\n");
1408                 return;
1409         }
1410
1411         bp->executer_idx = 0;
1412
1413         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1414         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
1415                                          true, DMAE_COMP_PCI);
1416         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1417         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1418         dmae->dst_addr_lo = bp->port.port_stx >> 2;
1419         dmae->dst_addr_hi = 0;
1420         dmae->len = bnx2x_get_port_stats_dma_len(bp);
1421         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1422         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1423         dmae->comp_val = DMAE_COMP_VAL;
1424
1425         *stats_comp = 0;
1426         bnx2x_hw_stats_post(bp);
1427         bnx2x_stats_comp(bp);
1428 }
1429
1430 /* This function will prepare the statistics ramrod data the way
1431  * we will only have to increment the statistics counter and
1432  * send the ramrod each time we have to.
1433  */
1434 static void bnx2x_prep_fw_stats_req(struct bnx2x *bp)
1435 {
1436         int i;
1437         int first_queue_query_index;
1438         struct stats_query_header *stats_hdr = &bp->fw_stats_req->hdr;
1439
1440         dma_addr_t cur_data_offset;
1441         struct stats_query_entry *cur_query_entry;
1442
1443         stats_hdr->cmd_num = bp->fw_stats_num;
1444         stats_hdr->drv_stats_counter = 0;
1445
1446         /* storm_counters struct contains the counters of completed
1447          * statistics requests per storm which are incremented by FW
1448          * each time it completes hadning a statistics ramrod. We will
1449          * check these counters in the timer handler and discard a
1450          * (statistics) ramrod completion.
1451          */
1452         cur_data_offset = bp->fw_stats_data_mapping +
1453                 offsetof(struct bnx2x_fw_stats_data, storm_counters);
1454
1455         stats_hdr->stats_counters_addrs.hi =
1456                 cpu_to_le32(U64_HI(cur_data_offset));
1457         stats_hdr->stats_counters_addrs.lo =
1458                 cpu_to_le32(U64_LO(cur_data_offset));
1459
1460         /* prepare to the first stats ramrod (will be completed with
1461          * the counters equal to zero) - init counters to somethig different.
1462          */
1463         memset(&bp->fw_stats_data->storm_counters, 0xff,
1464                sizeof(struct stats_counter));
1465
1466         /**** Port FW statistics data ****/
1467         cur_data_offset = bp->fw_stats_data_mapping +
1468                 offsetof(struct bnx2x_fw_stats_data, port);
1469
1470         cur_query_entry = &bp->fw_stats_req->query[BNX2X_PORT_QUERY_IDX];
1471
1472         cur_query_entry->kind = STATS_TYPE_PORT;
1473         /* For port query index is a DONT CARE */
1474         cur_query_entry->index = BP_PORT(bp);
1475         /* For port query funcID is a DONT CARE */
1476         cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1477         cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1478         cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1479
1480         /**** PF FW statistics data ****/
1481         cur_data_offset = bp->fw_stats_data_mapping +
1482                 offsetof(struct bnx2x_fw_stats_data, pf);
1483
1484         cur_query_entry = &bp->fw_stats_req->query[BNX2X_PF_QUERY_IDX];
1485
1486         cur_query_entry->kind = STATS_TYPE_PF;
1487         /* For PF query index is a DONT CARE */
1488         cur_query_entry->index = BP_PORT(bp);
1489         cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1490         cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1491         cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1492
1493         /**** FCoE FW statistics data ****/
1494         if (!NO_FCOE(bp)) {
1495                 cur_data_offset = bp->fw_stats_data_mapping +
1496                         offsetof(struct bnx2x_fw_stats_data, fcoe);
1497
1498                 cur_query_entry =
1499                         &bp->fw_stats_req->query[BNX2X_FCOE_QUERY_IDX];
1500
1501                 cur_query_entry->kind = STATS_TYPE_FCOE;
1502                 /* For FCoE query index is a DONT CARE */
1503                 cur_query_entry->index = BP_PORT(bp);
1504                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1505                 cur_query_entry->address.hi =
1506                         cpu_to_le32(U64_HI(cur_data_offset));
1507                 cur_query_entry->address.lo =
1508                         cpu_to_le32(U64_LO(cur_data_offset));
1509         }
1510
1511         /**** Clients' queries ****/
1512         cur_data_offset = bp->fw_stats_data_mapping +
1513                 offsetof(struct bnx2x_fw_stats_data, queue_stats);
1514
1515         /* first queue query index depends whether FCoE offloaded request will
1516          * be included in the ramrod
1517          */
1518         if (!NO_FCOE(bp))
1519                 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX;
1520         else
1521                 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - 1;
1522
1523         for_each_eth_queue(bp, i) {
1524                 cur_query_entry =
1525                         &bp->fw_stats_req->
1526                                         query[first_queue_query_index + i];
1527
1528                 cur_query_entry->kind = STATS_TYPE_QUEUE;
1529                 cur_query_entry->index = bnx2x_stats_id(&bp->fp[i]);
1530                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1531                 cur_query_entry->address.hi =
1532                         cpu_to_le32(U64_HI(cur_data_offset));
1533                 cur_query_entry->address.lo =
1534                         cpu_to_le32(U64_LO(cur_data_offset));
1535
1536                 cur_data_offset += sizeof(struct per_queue_stats);
1537         }
1538
1539         /* add FCoE queue query if needed */
1540         if (!NO_FCOE(bp)) {
1541                 cur_query_entry =
1542                         &bp->fw_stats_req->
1543                                         query[first_queue_query_index + i];
1544
1545                 cur_query_entry->kind = STATS_TYPE_QUEUE;
1546                 cur_query_entry->index = bnx2x_stats_id(&bp->fp[FCOE_IDX(bp)]);
1547                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1548                 cur_query_entry->address.hi =
1549                         cpu_to_le32(U64_HI(cur_data_offset));
1550                 cur_query_entry->address.lo =
1551                         cpu_to_le32(U64_LO(cur_data_offset));
1552         }
1553 }
1554
1555 void bnx2x_memset_stats(struct bnx2x *bp)
1556 {
1557         int i;
1558
1559         /* function stats */
1560         for_each_queue(bp, i) {
1561                 struct bnx2x_fp_stats *fp_stats = &bp->fp_stats[i];
1562
1563                 memset(&fp_stats->old_tclient, 0,
1564                        sizeof(fp_stats->old_tclient));
1565                 memset(&fp_stats->old_uclient, 0,
1566                        sizeof(fp_stats->old_uclient));
1567                 memset(&fp_stats->old_xclient, 0,
1568                        sizeof(fp_stats->old_xclient));
1569                 if (bp->stats_init) {
1570                         memset(&fp_stats->eth_q_stats, 0,
1571                                sizeof(fp_stats->eth_q_stats));
1572                         memset(&fp_stats->eth_q_stats_old, 0,
1573                                sizeof(fp_stats->eth_q_stats_old));
1574                 }
1575         }
1576
1577         memset(&bp->dev->stats, 0, sizeof(bp->dev->stats));
1578
1579         if (bp->stats_init) {
1580                 memset(&bp->net_stats_old, 0, sizeof(bp->net_stats_old));
1581                 memset(&bp->fw_stats_old, 0, sizeof(bp->fw_stats_old));
1582                 memset(&bp->eth_stats_old, 0, sizeof(bp->eth_stats_old));
1583                 memset(&bp->eth_stats, 0, sizeof(bp->eth_stats));
1584                 memset(&bp->func_stats, 0, sizeof(bp->func_stats));
1585         }
1586
1587         bp->stats_state = STATS_STATE_DISABLED;
1588
1589         if (bp->port.pmf && bp->port.port_stx)
1590                 bnx2x_port_stats_base_init(bp);
1591
1592         /* mark the end of statistics initialization */
1593         bp->stats_init = false;
1594 }
1595
1596 void bnx2x_stats_init(struct bnx2x *bp)
1597 {
1598         int /*abs*/port = BP_PORT(bp);
1599         int mb_idx = BP_FW_MB_IDX(bp);
1600
1601         if (IS_VF(bp)) {
1602                 bnx2x_memset_stats(bp);
1603                 return;
1604         }
1605
1606         bp->stats_pending = 0;
1607         bp->executer_idx = 0;
1608         bp->stats_counter = 0;
1609
1610         /* port and func stats for management */
1611         if (!BP_NOMCP(bp)) {
1612                 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
1613                 bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1614
1615         } else {
1616                 bp->port.port_stx = 0;
1617                 bp->func_stx = 0;
1618         }
1619         DP(BNX2X_MSG_STATS, "port_stx 0x%x  func_stx 0x%x\n",
1620            bp->port.port_stx, bp->func_stx);
1621
1622         /* pmf should retrieve port statistics from SP on a non-init*/
1623         if (!bp->stats_init && bp->port.pmf && bp->port.port_stx)
1624                 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
1625
1626         port = BP_PORT(bp);
1627         /* port stats */
1628         memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
1629         bp->port.old_nig_stats.brb_discard =
1630                         REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
1631         bp->port.old_nig_stats.brb_truncate =
1632                         REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
1633         if (!CHIP_IS_E3(bp)) {
1634                 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
1635                             &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
1636                 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
1637                             &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
1638         }
1639
1640         /* Prepare statistics ramrod data */
1641         bnx2x_prep_fw_stats_req(bp);
1642
1643         /* Clean SP from previous statistics */
1644         if (bp->stats_init) {
1645                 if (bp->func_stx) {
1646                         memset(bnx2x_sp(bp, func_stats), 0,
1647                                sizeof(struct host_func_stats));
1648                         bnx2x_func_stats_init(bp);
1649                         bnx2x_hw_stats_post(bp);
1650                         bnx2x_stats_comp(bp);
1651                 }
1652         }
1653
1654         bnx2x_memset_stats(bp);
1655 }
1656
1657 void bnx2x_save_statistics(struct bnx2x *bp)
1658 {
1659         int i;
1660         struct net_device_stats *nstats = &bp->dev->stats;
1661
1662         /* save queue statistics */
1663         for_each_eth_queue(bp, i) {
1664                 struct bnx2x_fastpath *fp = &bp->fp[i];
1665                 struct bnx2x_eth_q_stats *qstats =
1666                         &bnx2x_fp_stats(bp, fp)->eth_q_stats;
1667                 struct bnx2x_eth_q_stats_old *qstats_old =
1668                         &bnx2x_fp_stats(bp, fp)->eth_q_stats_old;
1669
1670                 UPDATE_QSTAT_OLD(total_unicast_bytes_received_hi);
1671                 UPDATE_QSTAT_OLD(total_unicast_bytes_received_lo);
1672                 UPDATE_QSTAT_OLD(total_broadcast_bytes_received_hi);
1673                 UPDATE_QSTAT_OLD(total_broadcast_bytes_received_lo);
1674                 UPDATE_QSTAT_OLD(total_multicast_bytes_received_hi);
1675                 UPDATE_QSTAT_OLD(total_multicast_bytes_received_lo);
1676                 UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_hi);
1677                 UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_lo);
1678                 UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_hi);
1679                 UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_lo);
1680                 UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_hi);
1681                 UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_lo);
1682                 UPDATE_QSTAT_OLD(total_tpa_bytes_hi);
1683                 UPDATE_QSTAT_OLD(total_tpa_bytes_lo);
1684         }
1685
1686         /* save net_device_stats statistics */
1687         bp->net_stats_old.rx_dropped = nstats->rx_dropped;
1688
1689         /* store port firmware statistics */
1690         if (bp->port.pmf && IS_MF(bp)) {
1691                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
1692                 struct bnx2x_fw_port_stats_old *fwstats = &bp->fw_stats_old;
1693                 UPDATE_FW_STAT_OLD(mac_filter_discard);
1694                 UPDATE_FW_STAT_OLD(mf_tag_discard);
1695                 UPDATE_FW_STAT_OLD(brb_truncate_discard);
1696                 UPDATE_FW_STAT_OLD(mac_discard);
1697         }
1698 }
1699
1700 void bnx2x_afex_collect_stats(struct bnx2x *bp, void *void_afex_stats,
1701                               u32 stats_type)
1702 {
1703         int i;
1704         struct afex_stats *afex_stats = (struct afex_stats *)void_afex_stats;
1705         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1706         struct per_queue_stats *fcoe_q_stats =
1707                 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)];
1708
1709         struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
1710                 &fcoe_q_stats->tstorm_queue_statistics;
1711
1712         struct ustorm_per_queue_stats *fcoe_q_ustorm_stats =
1713                 &fcoe_q_stats->ustorm_queue_statistics;
1714
1715         struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
1716                 &fcoe_q_stats->xstorm_queue_statistics;
1717
1718         struct fcoe_statistics_params *fw_fcoe_stat =
1719                 &bp->fw_stats_data->fcoe;
1720
1721         memset(afex_stats, 0, sizeof(struct afex_stats));
1722
1723         for_each_eth_queue(bp, i) {
1724                 struct bnx2x_eth_q_stats *qstats = &bp->fp_stats[i].eth_q_stats;
1725
1726                 ADD_64(afex_stats->rx_unicast_bytes_hi,
1727                        qstats->total_unicast_bytes_received_hi,
1728                        afex_stats->rx_unicast_bytes_lo,
1729                        qstats->total_unicast_bytes_received_lo);
1730
1731                 ADD_64(afex_stats->rx_broadcast_bytes_hi,
1732                        qstats->total_broadcast_bytes_received_hi,
1733                        afex_stats->rx_broadcast_bytes_lo,
1734                        qstats->total_broadcast_bytes_received_lo);
1735
1736                 ADD_64(afex_stats->rx_multicast_bytes_hi,
1737                        qstats->total_multicast_bytes_received_hi,
1738                        afex_stats->rx_multicast_bytes_lo,
1739                        qstats->total_multicast_bytes_received_lo);
1740
1741                 ADD_64(afex_stats->rx_unicast_frames_hi,
1742                        qstats->total_unicast_packets_received_hi,
1743                        afex_stats->rx_unicast_frames_lo,
1744                        qstats->total_unicast_packets_received_lo);
1745
1746                 ADD_64(afex_stats->rx_broadcast_frames_hi,
1747                        qstats->total_broadcast_packets_received_hi,
1748                        afex_stats->rx_broadcast_frames_lo,
1749                        qstats->total_broadcast_packets_received_lo);
1750
1751                 ADD_64(afex_stats->rx_multicast_frames_hi,
1752                        qstats->total_multicast_packets_received_hi,
1753                        afex_stats->rx_multicast_frames_lo,
1754                        qstats->total_multicast_packets_received_lo);
1755
1756                 /* sum to rx_frames_discarded all discraded
1757                  * packets due to size, ttl0 and checksum
1758                  */
1759                 ADD_64(afex_stats->rx_frames_discarded_hi,
1760                        qstats->total_packets_received_checksum_discarded_hi,
1761                        afex_stats->rx_frames_discarded_lo,
1762                        qstats->total_packets_received_checksum_discarded_lo);
1763
1764                 ADD_64(afex_stats->rx_frames_discarded_hi,
1765                        qstats->total_packets_received_ttl0_discarded_hi,
1766                        afex_stats->rx_frames_discarded_lo,
1767                        qstats->total_packets_received_ttl0_discarded_lo);
1768
1769                 ADD_64(afex_stats->rx_frames_discarded_hi,
1770                        qstats->etherstatsoverrsizepkts_hi,
1771                        afex_stats->rx_frames_discarded_lo,
1772                        qstats->etherstatsoverrsizepkts_lo);
1773
1774                 ADD_64(afex_stats->rx_frames_dropped_hi,
1775                        qstats->no_buff_discard_hi,
1776                        afex_stats->rx_frames_dropped_lo,
1777                        qstats->no_buff_discard_lo);
1778
1779                 ADD_64(afex_stats->tx_unicast_bytes_hi,
1780                        qstats->total_unicast_bytes_transmitted_hi,
1781                        afex_stats->tx_unicast_bytes_lo,
1782                        qstats->total_unicast_bytes_transmitted_lo);
1783
1784                 ADD_64(afex_stats->tx_broadcast_bytes_hi,
1785                        qstats->total_broadcast_bytes_transmitted_hi,
1786                        afex_stats->tx_broadcast_bytes_lo,
1787                        qstats->total_broadcast_bytes_transmitted_lo);
1788
1789                 ADD_64(afex_stats->tx_multicast_bytes_hi,
1790                        qstats->total_multicast_bytes_transmitted_hi,
1791                        afex_stats->tx_multicast_bytes_lo,
1792                        qstats->total_multicast_bytes_transmitted_lo);
1793
1794                 ADD_64(afex_stats->tx_unicast_frames_hi,
1795                        qstats->total_unicast_packets_transmitted_hi,
1796                        afex_stats->tx_unicast_frames_lo,
1797                        qstats->total_unicast_packets_transmitted_lo);
1798
1799                 ADD_64(afex_stats->tx_broadcast_frames_hi,
1800                        qstats->total_broadcast_packets_transmitted_hi,
1801                        afex_stats->tx_broadcast_frames_lo,
1802                        qstats->total_broadcast_packets_transmitted_lo);
1803
1804                 ADD_64(afex_stats->tx_multicast_frames_hi,
1805                        qstats->total_multicast_packets_transmitted_hi,
1806                        afex_stats->tx_multicast_frames_lo,
1807                        qstats->total_multicast_packets_transmitted_lo);
1808
1809                 ADD_64(afex_stats->tx_frames_dropped_hi,
1810                        qstats->total_transmitted_dropped_packets_error_hi,
1811                        afex_stats->tx_frames_dropped_lo,
1812                        qstats->total_transmitted_dropped_packets_error_lo);
1813         }
1814
1815         /* now add FCoE statistics which are collected separately
1816          * (both offloaded and non offloaded)
1817          */
1818         if (!NO_FCOE(bp)) {
1819                 ADD_64_LE(afex_stats->rx_unicast_bytes_hi,
1820                           LE32_0,
1821                           afex_stats->rx_unicast_bytes_lo,
1822                           fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
1823
1824                 ADD_64_LE(afex_stats->rx_unicast_bytes_hi,
1825                           fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
1826                           afex_stats->rx_unicast_bytes_lo,
1827                           fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
1828
1829                 ADD_64_LE(afex_stats->rx_broadcast_bytes_hi,
1830                           fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
1831                           afex_stats->rx_broadcast_bytes_lo,
1832                           fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
1833
1834                 ADD_64_LE(afex_stats->rx_multicast_bytes_hi,
1835                           fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
1836                           afex_stats->rx_multicast_bytes_lo,
1837                           fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
1838
1839                 ADD_64_LE(afex_stats->rx_unicast_frames_hi,
1840                           LE32_0,
1841                           afex_stats->rx_unicast_frames_lo,
1842                           fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
1843
1844                 ADD_64_LE(afex_stats->rx_unicast_frames_hi,
1845                           LE32_0,
1846                           afex_stats->rx_unicast_frames_lo,
1847                           fcoe_q_tstorm_stats->rcv_ucast_pkts);
1848
1849                 ADD_64_LE(afex_stats->rx_broadcast_frames_hi,
1850                           LE32_0,
1851                           afex_stats->rx_broadcast_frames_lo,
1852                           fcoe_q_tstorm_stats->rcv_bcast_pkts);
1853
1854                 ADD_64_LE(afex_stats->rx_multicast_frames_hi,
1855                           LE32_0,
1856                           afex_stats->rx_multicast_frames_lo,
1857                           fcoe_q_tstorm_stats->rcv_ucast_pkts);
1858
1859                 ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1860                           LE32_0,
1861                           afex_stats->rx_frames_discarded_lo,
1862                           fcoe_q_tstorm_stats->checksum_discard);
1863
1864                 ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1865                           LE32_0,
1866                           afex_stats->rx_frames_discarded_lo,
1867                           fcoe_q_tstorm_stats->pkts_too_big_discard);
1868
1869                 ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1870                           LE32_0,
1871                           afex_stats->rx_frames_discarded_lo,
1872                           fcoe_q_tstorm_stats->ttl0_discard);
1873
1874                 ADD_64_LE16(afex_stats->rx_frames_dropped_hi,
1875                             LE16_0,
1876                             afex_stats->rx_frames_dropped_lo,
1877                             fcoe_q_tstorm_stats->no_buff_discard);
1878
1879                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1880                           LE32_0,
1881                           afex_stats->rx_frames_dropped_lo,
1882                           fcoe_q_ustorm_stats->ucast_no_buff_pkts);
1883
1884                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1885                           LE32_0,
1886                           afex_stats->rx_frames_dropped_lo,
1887                           fcoe_q_ustorm_stats->mcast_no_buff_pkts);
1888
1889                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1890                           LE32_0,
1891                           afex_stats->rx_frames_dropped_lo,
1892                           fcoe_q_ustorm_stats->bcast_no_buff_pkts);
1893
1894                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1895                           LE32_0,
1896                           afex_stats->rx_frames_dropped_lo,
1897                           fw_fcoe_stat->rx_stat1.fcoe_rx_drop_pkt_cnt);
1898
1899                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1900                           LE32_0,
1901                           afex_stats->rx_frames_dropped_lo,
1902                           fw_fcoe_stat->rx_stat2.fcoe_rx_drop_pkt_cnt);
1903
1904                 ADD_64_LE(afex_stats->tx_unicast_bytes_hi,
1905                           LE32_0,
1906                           afex_stats->tx_unicast_bytes_lo,
1907                           fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
1908
1909                 ADD_64_LE(afex_stats->tx_unicast_bytes_hi,
1910                           fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
1911                           afex_stats->tx_unicast_bytes_lo,
1912                           fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
1913
1914                 ADD_64_LE(afex_stats->tx_broadcast_bytes_hi,
1915                           fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
1916                           afex_stats->tx_broadcast_bytes_lo,
1917                           fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
1918
1919                 ADD_64_LE(afex_stats->tx_multicast_bytes_hi,
1920                           fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
1921                           afex_stats->tx_multicast_bytes_lo,
1922                           fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
1923
1924                 ADD_64_LE(afex_stats->tx_unicast_frames_hi,
1925                           LE32_0,
1926                           afex_stats->tx_unicast_frames_lo,
1927                           fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
1928
1929                 ADD_64_LE(afex_stats->tx_unicast_frames_hi,
1930                           LE32_0,
1931                           afex_stats->tx_unicast_frames_lo,
1932                           fcoe_q_xstorm_stats->ucast_pkts_sent);
1933
1934                 ADD_64_LE(afex_stats->tx_broadcast_frames_hi,
1935                           LE32_0,
1936                           afex_stats->tx_broadcast_frames_lo,
1937                           fcoe_q_xstorm_stats->bcast_pkts_sent);
1938
1939                 ADD_64_LE(afex_stats->tx_multicast_frames_hi,
1940                           LE32_0,
1941                           afex_stats->tx_multicast_frames_lo,
1942                           fcoe_q_xstorm_stats->mcast_pkts_sent);
1943
1944                 ADD_64_LE(afex_stats->tx_frames_dropped_hi,
1945                           LE32_0,
1946                           afex_stats->tx_frames_dropped_lo,
1947                           fcoe_q_xstorm_stats->error_drop_pkts);
1948         }
1949
1950         /* if port stats are requested, add them to the PMF
1951          * stats, as anyway they will be accumulated by the
1952          * MCP before sent to the switch
1953          */
1954         if ((bp->port.pmf) && (stats_type == VICSTATST_UIF_INDEX)) {
1955                 ADD_64(afex_stats->rx_frames_dropped_hi,
1956                        0,
1957                        afex_stats->rx_frames_dropped_lo,
1958                        estats->mac_filter_discard);
1959                 ADD_64(afex_stats->rx_frames_dropped_hi,
1960                        0,
1961                        afex_stats->rx_frames_dropped_lo,
1962                        estats->brb_truncate_discard);
1963                 ADD_64(afex_stats->rx_frames_discarded_hi,
1964                        0,
1965                        afex_stats->rx_frames_discarded_lo,
1966                        estats->mac_discard);
1967         }
1968 }
1969
1970 int bnx2x_stats_safe_exec(struct bnx2x *bp,
1971                           void (func_to_exec)(void *cookie),
1972                           void *cookie)
1973 {
1974         int cnt = 10, rc = 0;
1975
1976         /* Wait for statistics to end [while blocking further requests],
1977          * then run supplied function 'safely'.
1978          */
1979         rc = down_timeout(&bp->stats_lock, HZ / 10);
1980         if (unlikely(rc)) {
1981                 BNX2X_ERR("Failed to take statistics lock for safe execution\n");
1982                 goto out_no_lock;
1983         }
1984
1985         bnx2x_stats_comp(bp);
1986         while (bp->stats_pending && cnt--)
1987                 if (bnx2x_storm_stats_update(bp))
1988                         usleep_range(1000, 2000);
1989         if (bp->stats_pending) {
1990                 BNX2X_ERR("Failed to wait for stats pending to clear [possibly FW is stuck]\n");
1991                 rc = -EBUSY;
1992                 goto out;
1993         }
1994
1995         func_to_exec(cookie);
1996
1997 out:
1998         /* No need to restart statistics - if they're enabled, the timer
1999          * will restart the statistics.
2000          */
2001         up(&bp->stats_lock);
2002 out_no_lock:
2003         return rc;
2004 }