linux/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
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   1/* bnx2x_stats.c: Broadcom Everest network driver.
   2 *
   3 * Copyright (c) 2007-2013 Broadcom Corporation
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License as published by
   7 * the Free Software Foundation.
   8 *
   9 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
  10 * Written by: Eliezer Tamir
  11 * Based on code from Michael Chan's bnx2 driver
  12 * UDP CSUM errata workaround by Arik Gendelman
  13 * Slowpath and fastpath rework by Vladislav Zolotarov
  14 * Statistics and Link management by Yitchak Gertner
  15 *
  16 */
  17
  18#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  19
  20#include "bnx2x_stats.h"
  21#include "bnx2x_cmn.h"
  22#include "bnx2x_sriov.h"
  23
  24/* Statistics */
  25
  26/*
  27 * General service functions
  28 */
  29
  30static inline long bnx2x_hilo(u32 *hiref)
  31{
  32        u32 lo = *(hiref + 1);
  33#if (BITS_PER_LONG == 64)
  34        u32 hi = *hiref;
  35
  36        return HILO_U64(hi, lo);
  37#else
  38        return lo;
  39#endif
  40}
  41
  42static inline u16 bnx2x_get_port_stats_dma_len(struct bnx2x *bp)
  43{
  44        u16 res = 0;
  45
  46        /* 'newest' convention - shmem2 cotains the size of the port stats */
  47        if (SHMEM2_HAS(bp, sizeof_port_stats)) {
  48                u32 size = SHMEM2_RD(bp, sizeof_port_stats);
  49                if (size)
  50                        res = size;
  51
  52                /* prevent newer BC from causing buffer overflow */
  53                if (res > sizeof(struct host_port_stats))
  54                        res = sizeof(struct host_port_stats);
  55        }
  56
  57        /* Older convention - all BCs support the port stats' fields up until
  58         * the 'not_used' field
  59         */
  60        if (!res) {
  61                res = offsetof(struct host_port_stats, not_used) + 4;
  62
  63                /* if PFC stats are supported by the MFW, DMA them as well */
  64                if (bp->flags & BC_SUPPORTS_PFC_STATS) {
  65                        res += offsetof(struct host_port_stats,
  66                                        pfc_frames_rx_lo) -
  67                               offsetof(struct host_port_stats,
  68                                        pfc_frames_tx_hi) + 4 ;
  69                }
  70        }
  71
  72        res >>= 2;
  73
  74        WARN_ON(res > 2 * DMAE_LEN32_RD_MAX);
  75        return res;
  76}
  77
  78/*
  79 * Init service functions
  80 */
  81
  82static void bnx2x_dp_stats(struct bnx2x *bp)
  83{
  84        int i;
  85
  86        DP(BNX2X_MSG_STATS, "dumping stats:\n"
  87           "fw_stats_req\n"
  88           "    hdr\n"
  89           "        cmd_num %d\n"
  90           "        reserved0 %d\n"
  91           "        drv_stats_counter %d\n"
  92           "        reserved1 %d\n"
  93           "        stats_counters_addrs %x %x\n",
  94           bp->fw_stats_req->hdr.cmd_num,
  95           bp->fw_stats_req->hdr.reserved0,
  96           bp->fw_stats_req->hdr.drv_stats_counter,
  97           bp->fw_stats_req->hdr.reserved1,
  98           bp->fw_stats_req->hdr.stats_counters_addrs.hi,
  99           bp->fw_stats_req->hdr.stats_counters_addrs.lo);
 100
 101        for (i = 0; i < bp->fw_stats_req->hdr.cmd_num; i++) {
 102                DP(BNX2X_MSG_STATS,
 103                   "query[%d]\n"
 104                   "              kind %d\n"
 105                   "              index %d\n"
 106                   "              funcID %d\n"
 107                   "              reserved %d\n"
 108                   "              address %x %x\n",
 109                   i, bp->fw_stats_req->query[i].kind,
 110                   bp->fw_stats_req->query[i].index,
 111                   bp->fw_stats_req->query[i].funcID,
 112                   bp->fw_stats_req->query[i].reserved,
 113                   bp->fw_stats_req->query[i].address.hi,
 114                   bp->fw_stats_req->query[i].address.lo);
 115        }
 116}
 117
 118/* Post the next statistics ramrod. Protect it with the spin in
 119 * order to ensure the strict order between statistics ramrods
 120 * (each ramrod has a sequence number passed in a
 121 * bp->fw_stats_req->hdr.drv_stats_counter and ramrods must be
 122 * sent in order).
 123 */
 124static void bnx2x_storm_stats_post(struct bnx2x *bp)
 125{
 126        if (!bp->stats_pending) {
 127                int rc;
 128
 129                spin_lock_bh(&bp->stats_lock);
 130
 131                if (bp->stats_pending) {
 132                        spin_unlock_bh(&bp->stats_lock);
 133                        return;
 134                }
 135
 136                bp->fw_stats_req->hdr.drv_stats_counter =
 137                        cpu_to_le16(bp->stats_counter++);
 138
 139                DP(BNX2X_MSG_STATS, "Sending statistics ramrod %d\n",
 140                        bp->fw_stats_req->hdr.drv_stats_counter);
 141
 142                /* adjust the ramrod to include VF queues statistics */
 143                bnx2x_iov_adjust_stats_req(bp);
 144                bnx2x_dp_stats(bp);
 145
 146                /* send FW stats ramrod */
 147                rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STAT_QUERY, 0,
 148                                   U64_HI(bp->fw_stats_req_mapping),
 149                                   U64_LO(bp->fw_stats_req_mapping),
 150                                   NONE_CONNECTION_TYPE);
 151                if (rc == 0)
 152                        bp->stats_pending = 1;
 153
 154                spin_unlock_bh(&bp->stats_lock);
 155        }
 156}
 157
 158static void bnx2x_hw_stats_post(struct bnx2x *bp)
 159{
 160        struct dmae_command *dmae = &bp->stats_dmae;
 161        u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 162
 163        *stats_comp = DMAE_COMP_VAL;
 164        if (CHIP_REV_IS_SLOW(bp))
 165                return;
 166
 167        /* Update MCP's statistics if possible */
 168        if (bp->func_stx)
 169                memcpy(bnx2x_sp(bp, func_stats), &bp->func_stats,
 170                       sizeof(bp->func_stats));
 171
 172        /* loader */
 173        if (bp->executer_idx) {
 174                int loader_idx = PMF_DMAE_C(bp);
 175                u32 opcode =  bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 176                                                 true, DMAE_COMP_GRC);
 177                opcode = bnx2x_dmae_opcode_clr_src_reset(opcode);
 178
 179                memset(dmae, 0, sizeof(struct dmae_command));
 180                dmae->opcode = opcode;
 181                dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
 182                dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
 183                dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
 184                                     sizeof(struct dmae_command) *
 185                                     (loader_idx + 1)) >> 2;
 186                dmae->dst_addr_hi = 0;
 187                dmae->len = sizeof(struct dmae_command) >> 2;
 188                if (CHIP_IS_E1(bp))
 189                        dmae->len--;
 190                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
 191                dmae->comp_addr_hi = 0;
 192                dmae->comp_val = 1;
 193
 194                *stats_comp = 0;
 195                bnx2x_post_dmae(bp, dmae, loader_idx);
 196
 197        } else if (bp->func_stx) {
 198                *stats_comp = 0;
 199                bnx2x_issue_dmae_with_comp(bp, dmae, stats_comp);
 200        }
 201}
 202
 203static int bnx2x_stats_comp(struct bnx2x *bp)
 204{
 205        u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 206        int cnt = 10;
 207
 208        might_sleep();
 209        while (*stats_comp != DMAE_COMP_VAL) {
 210                if (!cnt) {
 211                        BNX2X_ERR("timeout waiting for stats finished\n");
 212                        break;
 213                }
 214                cnt--;
 215                usleep_range(1000, 2000);
 216        }
 217        return 1;
 218}
 219
 220/*
 221 * Statistics service functions
 222 */
 223
 224/* should be called under stats_sema */
 225static void __bnx2x_stats_pmf_update(struct bnx2x *bp)
 226{
 227        struct dmae_command *dmae;
 228        u32 opcode;
 229        int loader_idx = PMF_DMAE_C(bp);
 230        u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 231
 232        /* sanity */
 233        if (!bp->port.pmf || !bp->port.port_stx) {
 234                BNX2X_ERR("BUG!\n");
 235                return;
 236        }
 237
 238        bp->executer_idx = 0;
 239
 240        opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI, false, 0);
 241
 242        dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 243        dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_GRC);
 244        dmae->src_addr_lo = bp->port.port_stx >> 2;
 245        dmae->src_addr_hi = 0;
 246        dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 247        dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 248        dmae->len = DMAE_LEN32_RD_MAX;
 249        dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 250        dmae->comp_addr_hi = 0;
 251        dmae->comp_val = 1;
 252
 253        dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 254        dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
 255        dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
 256        dmae->src_addr_hi = 0;
 257        dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
 258                                   DMAE_LEN32_RD_MAX * 4);
 259        dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
 260                                   DMAE_LEN32_RD_MAX * 4);
 261        dmae->len = bnx2x_get_port_stats_dma_len(bp) - DMAE_LEN32_RD_MAX;
 262
 263        dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 264        dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 265        dmae->comp_val = DMAE_COMP_VAL;
 266
 267        *stats_comp = 0;
 268        bnx2x_hw_stats_post(bp);
 269        bnx2x_stats_comp(bp);
 270}
 271
 272static void bnx2x_port_stats_init(struct bnx2x *bp)
 273{
 274        struct dmae_command *dmae;
 275        int port = BP_PORT(bp);
 276        u32 opcode;
 277        int loader_idx = PMF_DMAE_C(bp);
 278        u32 mac_addr;
 279        u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 280
 281        /* sanity */
 282        if (!bp->link_vars.link_up || !bp->port.pmf) {
 283                BNX2X_ERR("BUG!\n");
 284                return;
 285        }
 286
 287        bp->executer_idx = 0;
 288
 289        /* MCP */
 290        opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 291                                    true, DMAE_COMP_GRC);
 292
 293        if (bp->port.port_stx) {
 294
 295                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 296                dmae->opcode = opcode;
 297                dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 298                dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 299                dmae->dst_addr_lo = bp->port.port_stx >> 2;
 300                dmae->dst_addr_hi = 0;
 301                dmae->len = bnx2x_get_port_stats_dma_len(bp);
 302                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 303                dmae->comp_addr_hi = 0;
 304                dmae->comp_val = 1;
 305        }
 306
 307        if (bp->func_stx) {
 308
 309                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 310                dmae->opcode = opcode;
 311                dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 312                dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 313                dmae->dst_addr_lo = bp->func_stx >> 2;
 314                dmae->dst_addr_hi = 0;
 315                dmae->len = sizeof(struct host_func_stats) >> 2;
 316                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 317                dmae->comp_addr_hi = 0;
 318                dmae->comp_val = 1;
 319        }
 320
 321        /* MAC */
 322        opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 323                                   true, DMAE_COMP_GRC);
 324
 325        /* EMAC is special */
 326        if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
 327                mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
 328
 329                /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
 330                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 331                dmae->opcode = opcode;
 332                dmae->src_addr_lo = (mac_addr +
 333                                     EMAC_REG_EMAC_RX_STAT_AC) >> 2;
 334                dmae->src_addr_hi = 0;
 335                dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 336                dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 337                dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
 338                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 339                dmae->comp_addr_hi = 0;
 340                dmae->comp_val = 1;
 341
 342                /* EMAC_REG_EMAC_RX_STAT_AC_28 */
 343                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 344                dmae->opcode = opcode;
 345                dmae->src_addr_lo = (mac_addr +
 346                                     EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
 347                dmae->src_addr_hi = 0;
 348                dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 349                     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 350                dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 351                     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 352                dmae->len = 1;
 353                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 354                dmae->comp_addr_hi = 0;
 355                dmae->comp_val = 1;
 356
 357                /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
 358                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 359                dmae->opcode = opcode;
 360                dmae->src_addr_lo = (mac_addr +
 361                                     EMAC_REG_EMAC_TX_STAT_AC) >> 2;
 362                dmae->src_addr_hi = 0;
 363                dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 364                        offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 365                dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 366                        offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 367                dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
 368                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 369                dmae->comp_addr_hi = 0;
 370                dmae->comp_val = 1;
 371        } else {
 372                u32 tx_src_addr_lo, rx_src_addr_lo;
 373                u16 rx_len, tx_len;
 374
 375                /* configure the params according to MAC type */
 376                switch (bp->link_vars.mac_type) {
 377                case MAC_TYPE_BMAC:
 378                        mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
 379                                           NIG_REG_INGRESS_BMAC0_MEM);
 380
 381                        /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
 382                           BIGMAC_REGISTER_TX_STAT_GTBYT */
 383                        if (CHIP_IS_E1x(bp)) {
 384                                tx_src_addr_lo = (mac_addr +
 385                                        BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 386                                tx_len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
 387                                          BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 388                                rx_src_addr_lo = (mac_addr +
 389                                        BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 390                                rx_len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
 391                                          BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 392                        } else {
 393                                tx_src_addr_lo = (mac_addr +
 394                                        BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 395                                tx_len = (8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
 396                                          BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 397                                rx_src_addr_lo = (mac_addr +
 398                                        BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 399                                rx_len = (8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
 400                                          BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 401                        }
 402                        break;
 403
 404                case MAC_TYPE_UMAC: /* handled by MSTAT */
 405                case MAC_TYPE_XMAC: /* handled by MSTAT */
 406                default:
 407                        mac_addr = port ? GRCBASE_MSTAT1 : GRCBASE_MSTAT0;
 408                        tx_src_addr_lo = (mac_addr +
 409                                          MSTAT_REG_TX_STAT_GTXPOK_LO) >> 2;
 410                        rx_src_addr_lo = (mac_addr +
 411                                          MSTAT_REG_RX_STAT_GR64_LO) >> 2;
 412                        tx_len = sizeof(bp->slowpath->
 413                                        mac_stats.mstat_stats.stats_tx) >> 2;
 414                        rx_len = sizeof(bp->slowpath->
 415                                        mac_stats.mstat_stats.stats_rx) >> 2;
 416                        break;
 417                }
 418
 419                /* TX stats */
 420                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 421                dmae->opcode = opcode;
 422                dmae->src_addr_lo = tx_src_addr_lo;
 423                dmae->src_addr_hi = 0;
 424                dmae->len = tx_len;
 425                dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 426                dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 427                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 428                dmae->comp_addr_hi = 0;
 429                dmae->comp_val = 1;
 430
 431                /* RX stats */
 432                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 433                dmae->opcode = opcode;
 434                dmae->src_addr_hi = 0;
 435                dmae->src_addr_lo = rx_src_addr_lo;
 436                dmae->dst_addr_lo =
 437                        U64_LO(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 438                dmae->dst_addr_hi =
 439                        U64_HI(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 440                dmae->len = rx_len;
 441                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 442                dmae->comp_addr_hi = 0;
 443                dmae->comp_val = 1;
 444        }
 445
 446        /* NIG */
 447        if (!CHIP_IS_E3(bp)) {
 448                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 449                dmae->opcode = opcode;
 450                dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
 451                                            NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
 452                dmae->src_addr_hi = 0;
 453                dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 454                                offsetof(struct nig_stats, egress_mac_pkt0_lo));
 455                dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 456                                offsetof(struct nig_stats, egress_mac_pkt0_lo));
 457                dmae->len = (2*sizeof(u32)) >> 2;
 458                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 459                dmae->comp_addr_hi = 0;
 460                dmae->comp_val = 1;
 461
 462                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 463                dmae->opcode = opcode;
 464                dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
 465                                            NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
 466                dmae->src_addr_hi = 0;
 467                dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 468                                offsetof(struct nig_stats, egress_mac_pkt1_lo));
 469                dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 470                                offsetof(struct nig_stats, egress_mac_pkt1_lo));
 471                dmae->len = (2*sizeof(u32)) >> 2;
 472                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 473                dmae->comp_addr_hi = 0;
 474                dmae->comp_val = 1;
 475        }
 476
 477        dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 478        dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 479                                                 true, DMAE_COMP_PCI);
 480        dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
 481                                    NIG_REG_STAT0_BRB_DISCARD) >> 2;
 482        dmae->src_addr_hi = 0;
 483        dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
 484        dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
 485        dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
 486
 487        dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 488        dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 489        dmae->comp_val = DMAE_COMP_VAL;
 490
 491        *stats_comp = 0;
 492}
 493
 494static void bnx2x_func_stats_init(struct bnx2x *bp)
 495{
 496        struct dmae_command *dmae = &bp->stats_dmae;
 497        u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 498
 499        /* sanity */
 500        if (!bp->func_stx) {
 501                BNX2X_ERR("BUG!\n");
 502                return;
 503        }
 504
 505        bp->executer_idx = 0;
 506        memset(dmae, 0, sizeof(struct dmae_command));
 507
 508        dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 509                                         true, DMAE_COMP_PCI);
 510        dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 511        dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 512        dmae->dst_addr_lo = bp->func_stx >> 2;
 513        dmae->dst_addr_hi = 0;
 514        dmae->len = sizeof(struct host_func_stats) >> 2;
 515        dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 516        dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 517        dmae->comp_val = DMAE_COMP_VAL;
 518
 519        *stats_comp = 0;
 520}
 521
 522/* should be called under stats_sema */
 523static void __bnx2x_stats_start(struct bnx2x *bp)
 524{
 525        if (IS_PF(bp)) {
 526                if (bp->port.pmf)
 527                        bnx2x_port_stats_init(bp);
 528
 529                else if (bp->func_stx)
 530                        bnx2x_func_stats_init(bp);
 531
 532                bnx2x_hw_stats_post(bp);
 533                bnx2x_storm_stats_post(bp);
 534        }
 535
 536        bp->stats_started = true;
 537}
 538
 539static void bnx2x_stats_start(struct bnx2x *bp)
 540{
 541        if (down_timeout(&bp->stats_sema, HZ/10))
 542                BNX2X_ERR("Unable to acquire stats lock\n");
 543        __bnx2x_stats_start(bp);
 544        up(&bp->stats_sema);
 545}
 546
 547static void bnx2x_stats_pmf_start(struct bnx2x *bp)
 548{
 549        if (down_timeout(&bp->stats_sema, HZ/10))
 550                BNX2X_ERR("Unable to acquire stats lock\n");
 551        bnx2x_stats_comp(bp);
 552        __bnx2x_stats_pmf_update(bp);
 553        __bnx2x_stats_start(bp);
 554        up(&bp->stats_sema);
 555}
 556
 557static void bnx2x_stats_pmf_update(struct bnx2x *bp)
 558{
 559        if (down_timeout(&bp->stats_sema, HZ/10))
 560                BNX2X_ERR("Unable to acquire stats lock\n");
 561        __bnx2x_stats_pmf_update(bp);
 562        up(&bp->stats_sema);
 563}
 564
 565static void bnx2x_stats_restart(struct bnx2x *bp)
 566{
 567        /* vfs travel through here as part of the statistics FSM, but no action
 568         * is required
 569         */
 570        if (IS_VF(bp))
 571                return;
 572        if (down_timeout(&bp->stats_sema, HZ/10))
 573                BNX2X_ERR("Unable to acquire stats lock\n");
 574        bnx2x_stats_comp(bp);
 575        __bnx2x_stats_start(bp);
 576        up(&bp->stats_sema);
 577}
 578
 579static void bnx2x_bmac_stats_update(struct bnx2x *bp)
 580{
 581        struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 582        struct bnx2x_eth_stats *estats = &bp->eth_stats;
 583        struct {
 584                u32 lo;
 585                u32 hi;
 586        } diff;
 587
 588        if (CHIP_IS_E1x(bp)) {
 589                struct bmac1_stats *new = bnx2x_sp(bp, mac_stats.bmac1_stats);
 590
 591                /* the macros below will use "bmac1_stats" type */
 592                UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 593                UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 594                UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 595                UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 596                UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 597                UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 598                UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 599                UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 600                UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 601
 602                UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 603                UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 604                UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 605                UPDATE_STAT64(tx_stat_gt127,
 606                                tx_stat_etherstatspkts65octetsto127octets);
 607                UPDATE_STAT64(tx_stat_gt255,
 608                                tx_stat_etherstatspkts128octetsto255octets);
 609                UPDATE_STAT64(tx_stat_gt511,
 610                                tx_stat_etherstatspkts256octetsto511octets);
 611                UPDATE_STAT64(tx_stat_gt1023,
 612                                tx_stat_etherstatspkts512octetsto1023octets);
 613                UPDATE_STAT64(tx_stat_gt1518,
 614                                tx_stat_etherstatspkts1024octetsto1522octets);
 615                UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 616                UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 617                UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 618                UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 619                UPDATE_STAT64(tx_stat_gterr,
 620                                tx_stat_dot3statsinternalmactransmiterrors);
 621                UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 622
 623        } else {
 624                struct bmac2_stats *new = bnx2x_sp(bp, mac_stats.bmac2_stats);
 625
 626                /* the macros below will use "bmac2_stats" type */
 627                UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 628                UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 629                UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 630                UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 631                UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 632                UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 633                UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 634                UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 635                UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 636                UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 637                UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 638                UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 639                UPDATE_STAT64(tx_stat_gt127,
 640                                tx_stat_etherstatspkts65octetsto127octets);
 641                UPDATE_STAT64(tx_stat_gt255,
 642                                tx_stat_etherstatspkts128octetsto255octets);
 643                UPDATE_STAT64(tx_stat_gt511,
 644                                tx_stat_etherstatspkts256octetsto511octets);
 645                UPDATE_STAT64(tx_stat_gt1023,
 646                                tx_stat_etherstatspkts512octetsto1023octets);
 647                UPDATE_STAT64(tx_stat_gt1518,
 648                                tx_stat_etherstatspkts1024octetsto1522octets);
 649                UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 650                UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 651                UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 652                UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 653                UPDATE_STAT64(tx_stat_gterr,
 654                                tx_stat_dot3statsinternalmactransmiterrors);
 655                UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 656
 657                /* collect PFC stats */
 658                pstats->pfc_frames_tx_hi = new->tx_stat_gtpp_hi;
 659                pstats->pfc_frames_tx_lo = new->tx_stat_gtpp_lo;
 660
 661                pstats->pfc_frames_rx_hi = new->rx_stat_grpp_hi;
 662                pstats->pfc_frames_rx_lo = new->rx_stat_grpp_lo;
 663        }
 664
 665        estats->pause_frames_received_hi =
 666                                pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 667        estats->pause_frames_received_lo =
 668                                pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 669
 670        estats->pause_frames_sent_hi =
 671                                pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 672        estats->pause_frames_sent_lo =
 673                                pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 674
 675        estats->pfc_frames_received_hi =
 676                                pstats->pfc_frames_rx_hi;
 677        estats->pfc_frames_received_lo =
 678                                pstats->pfc_frames_rx_lo;
 679        estats->pfc_frames_sent_hi =
 680                                pstats->pfc_frames_tx_hi;
 681        estats->pfc_frames_sent_lo =
 682                                pstats->pfc_frames_tx_lo;
 683}
 684
 685static void bnx2x_mstat_stats_update(struct bnx2x *bp)
 686{
 687        struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 688        struct bnx2x_eth_stats *estats = &bp->eth_stats;
 689
 690        struct mstat_stats *new = bnx2x_sp(bp, mac_stats.mstat_stats);
 691
 692        ADD_STAT64(stats_rx.rx_grerb, rx_stat_ifhcinbadoctets);
 693        ADD_STAT64(stats_rx.rx_grfcs, rx_stat_dot3statsfcserrors);
 694        ADD_STAT64(stats_rx.rx_grund, rx_stat_etherstatsundersizepkts);
 695        ADD_STAT64(stats_rx.rx_grovr, rx_stat_dot3statsframestoolong);
 696        ADD_STAT64(stats_rx.rx_grfrg, rx_stat_etherstatsfragments);
 697        ADD_STAT64(stats_rx.rx_grxcf, rx_stat_maccontrolframesreceived);
 698        ADD_STAT64(stats_rx.rx_grxpf, rx_stat_xoffstateentered);
 699        ADD_STAT64(stats_rx.rx_grxpf, rx_stat_mac_xpf);
 700        ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_outxoffsent);
 701        ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_flowcontroldone);
 702
 703        /* collect pfc stats */
 704        ADD_64(pstats->pfc_frames_tx_hi, new->stats_tx.tx_gtxpp_hi,
 705                pstats->pfc_frames_tx_lo, new->stats_tx.tx_gtxpp_lo);
 706        ADD_64(pstats->pfc_frames_rx_hi, new->stats_rx.rx_grxpp_hi,
 707                pstats->pfc_frames_rx_lo, new->stats_rx.rx_grxpp_lo);
 708
 709        ADD_STAT64(stats_tx.tx_gt64, tx_stat_etherstatspkts64octets);
 710        ADD_STAT64(stats_tx.tx_gt127,
 711                        tx_stat_etherstatspkts65octetsto127octets);
 712        ADD_STAT64(stats_tx.tx_gt255,
 713                        tx_stat_etherstatspkts128octetsto255octets);
 714        ADD_STAT64(stats_tx.tx_gt511,
 715                        tx_stat_etherstatspkts256octetsto511octets);
 716        ADD_STAT64(stats_tx.tx_gt1023,
 717                        tx_stat_etherstatspkts512octetsto1023octets);
 718        ADD_STAT64(stats_tx.tx_gt1518,
 719                        tx_stat_etherstatspkts1024octetsto1522octets);
 720        ADD_STAT64(stats_tx.tx_gt2047, tx_stat_mac_2047);
 721
 722        ADD_STAT64(stats_tx.tx_gt4095, tx_stat_mac_4095);
 723        ADD_STAT64(stats_tx.tx_gt9216, tx_stat_mac_9216);
 724        ADD_STAT64(stats_tx.tx_gt16383, tx_stat_mac_16383);
 725
 726        ADD_STAT64(stats_tx.tx_gterr,
 727                        tx_stat_dot3statsinternalmactransmiterrors);
 728        ADD_STAT64(stats_tx.tx_gtufl, tx_stat_mac_ufl);
 729
 730        estats->etherstatspkts1024octetsto1522octets_hi =
 731            pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_hi;
 732        estats->etherstatspkts1024octetsto1522octets_lo =
 733            pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_lo;
 734
 735        estats->etherstatspktsover1522octets_hi =
 736            pstats->mac_stx[1].tx_stat_mac_2047_hi;
 737        estats->etherstatspktsover1522octets_lo =
 738            pstats->mac_stx[1].tx_stat_mac_2047_lo;
 739
 740        ADD_64(estats->etherstatspktsover1522octets_hi,
 741               pstats->mac_stx[1].tx_stat_mac_4095_hi,
 742               estats->etherstatspktsover1522octets_lo,
 743               pstats->mac_stx[1].tx_stat_mac_4095_lo);
 744
 745        ADD_64(estats->etherstatspktsover1522octets_hi,
 746               pstats->mac_stx[1].tx_stat_mac_9216_hi,
 747               estats->etherstatspktsover1522octets_lo,
 748               pstats->mac_stx[1].tx_stat_mac_9216_lo);
 749
 750        ADD_64(estats->etherstatspktsover1522octets_hi,
 751               pstats->mac_stx[1].tx_stat_mac_16383_hi,
 752               estats->etherstatspktsover1522octets_lo,
 753               pstats->mac_stx[1].tx_stat_mac_16383_lo);
 754
 755        estats->pause_frames_received_hi =
 756                                pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 757        estats->pause_frames_received_lo =
 758                                pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 759
 760        estats->pause_frames_sent_hi =
 761                                pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 762        estats->pause_frames_sent_lo =
 763                                pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 764
 765        estats->pfc_frames_received_hi =
 766                                pstats->pfc_frames_rx_hi;
 767        estats->pfc_frames_received_lo =
 768                                pstats->pfc_frames_rx_lo;
 769        estats->pfc_frames_sent_hi =
 770                                pstats->pfc_frames_tx_hi;
 771        estats->pfc_frames_sent_lo =
 772                                pstats->pfc_frames_tx_lo;
 773}
 774
 775static void bnx2x_emac_stats_update(struct bnx2x *bp)
 776{
 777        struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
 778        struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 779        struct bnx2x_eth_stats *estats = &bp->eth_stats;
 780
 781        UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
 782        UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
 783        UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
 784        UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
 785        UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
 786        UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
 787        UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
 788        UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
 789        UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
 790        UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
 791        UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
 792        UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
 793        UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
 794        UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
 795        UPDATE_EXTEND_STAT(tx_stat_outxonsent);
 796        UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
 797        UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
 798        UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
 799        UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
 800        UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
 801        UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
 802        UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
 803        UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
 804        UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
 805        UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
 806        UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
 807        UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
 808        UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
 809        UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
 810        UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
 811        UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
 812
 813        estats->pause_frames_received_hi =
 814                        pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi;
 815        estats->pause_frames_received_lo =
 816                        pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo;
 817        ADD_64(estats->pause_frames_received_hi,
 818               pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi,
 819               estats->pause_frames_received_lo,
 820               pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo);
 821
 822        estats->pause_frames_sent_hi =
 823                        pstats->mac_stx[1].tx_stat_outxonsent_hi;
 824        estats->pause_frames_sent_lo =
 825                        pstats->mac_stx[1].tx_stat_outxonsent_lo;
 826        ADD_64(estats->pause_frames_sent_hi,
 827               pstats->mac_stx[1].tx_stat_outxoffsent_hi,
 828               estats->pause_frames_sent_lo,
 829               pstats->mac_stx[1].tx_stat_outxoffsent_lo);
 830}
 831
 832static int bnx2x_hw_stats_update(struct bnx2x *bp)
 833{
 834        struct nig_stats *new = bnx2x_sp(bp, nig_stats);
 835        struct nig_stats *old = &(bp->port.old_nig_stats);
 836        struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 837        struct bnx2x_eth_stats *estats = &bp->eth_stats;
 838        struct {
 839                u32 lo;
 840                u32 hi;
 841        } diff;
 842
 843        switch (bp->link_vars.mac_type) {
 844        case MAC_TYPE_BMAC:
 845                bnx2x_bmac_stats_update(bp);
 846                break;
 847
 848        case MAC_TYPE_EMAC:
 849                bnx2x_emac_stats_update(bp);
 850                break;
 851
 852        case MAC_TYPE_UMAC:
 853        case MAC_TYPE_XMAC:
 854                bnx2x_mstat_stats_update(bp);
 855                break;
 856
 857        case MAC_TYPE_NONE: /* unreached */
 858                DP(BNX2X_MSG_STATS,
 859                   "stats updated by DMAE but no MAC active\n");
 860                return -1;
 861
 862        default: /* unreached */
 863                BNX2X_ERR("Unknown MAC type\n");
 864        }
 865
 866        ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
 867                      new->brb_discard - old->brb_discard);
 868        ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
 869                      new->brb_truncate - old->brb_truncate);
 870
 871        if (!CHIP_IS_E3(bp)) {
 872                UPDATE_STAT64_NIG(egress_mac_pkt0,
 873                                        etherstatspkts1024octetsto1522octets);
 874                UPDATE_STAT64_NIG(egress_mac_pkt1,
 875                                        etherstatspktsover1522octets);
 876        }
 877
 878        memcpy(old, new, sizeof(struct nig_stats));
 879
 880        memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
 881               sizeof(struct mac_stx));
 882        estats->brb_drop_hi = pstats->brb_drop_hi;
 883        estats->brb_drop_lo = pstats->brb_drop_lo;
 884
 885        pstats->host_port_stats_counter++;
 886
 887        if (CHIP_IS_E3(bp)) {
 888                u32 lpi_reg = BP_PORT(bp) ? MISC_REG_CPMU_LP_SM_ENT_CNT_P1
 889                                          : MISC_REG_CPMU_LP_SM_ENT_CNT_P0;
 890                estats->eee_tx_lpi += REG_RD(bp, lpi_reg);
 891        }
 892
 893        if (!BP_NOMCP(bp)) {
 894                u32 nig_timer_max =
 895                        SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer);
 896                if (nig_timer_max != estats->nig_timer_max) {
 897                        estats->nig_timer_max = nig_timer_max;
 898                        BNX2X_ERR("NIG timer max (%u)\n",
 899                                  estats->nig_timer_max);
 900                }
 901        }
 902
 903        return 0;
 904}
 905
 906static int bnx2x_storm_stats_validate_counters(struct bnx2x *bp)
 907{
 908        struct stats_counter *counters = &bp->fw_stats_data->storm_counters;
 909        u16 cur_stats_counter;
 910        /* Make sure we use the value of the counter
 911         * used for sending the last stats ramrod.
 912         */
 913        cur_stats_counter = bp->stats_counter - 1;
 914
 915        /* are storm stats valid? */
 916        if (le16_to_cpu(counters->xstats_counter) != cur_stats_counter) {
 917                DP(BNX2X_MSG_STATS,
 918                   "stats not updated by xstorm  xstorm counter (0x%x) != stats_counter (0x%x)\n",
 919                   le16_to_cpu(counters->xstats_counter), bp->stats_counter);
 920                return -EAGAIN;
 921        }
 922
 923        if (le16_to_cpu(counters->ustats_counter) != cur_stats_counter) {
 924                DP(BNX2X_MSG_STATS,
 925                   "stats not updated by ustorm  ustorm counter (0x%x) != stats_counter (0x%x)\n",
 926                   le16_to_cpu(counters->ustats_counter), bp->stats_counter);
 927                return -EAGAIN;
 928        }
 929
 930        if (le16_to_cpu(counters->cstats_counter) != cur_stats_counter) {
 931                DP(BNX2X_MSG_STATS,
 932                   "stats not updated by cstorm  cstorm counter (0x%x) != stats_counter (0x%x)\n",
 933                   le16_to_cpu(counters->cstats_counter), bp->stats_counter);
 934                return -EAGAIN;
 935        }
 936
 937        if (le16_to_cpu(counters->tstats_counter) != cur_stats_counter) {
 938                DP(BNX2X_MSG_STATS,
 939                   "stats not updated by tstorm  tstorm counter (0x%x) != stats_counter (0x%x)\n",
 940                   le16_to_cpu(counters->tstats_counter), bp->stats_counter);
 941                return -EAGAIN;
 942        }
 943        return 0;
 944}
 945
 946static int bnx2x_storm_stats_update(struct bnx2x *bp)
 947{
 948        struct tstorm_per_port_stats *tport =
 949                                &bp->fw_stats_data->port.tstorm_port_statistics;
 950        struct tstorm_per_pf_stats *tfunc =
 951                                &bp->fw_stats_data->pf.tstorm_pf_statistics;
 952        struct host_func_stats *fstats = &bp->func_stats;
 953        struct bnx2x_eth_stats *estats = &bp->eth_stats;
 954        struct bnx2x_eth_stats_old *estats_old = &bp->eth_stats_old;
 955        int i;
 956
 957        /* vfs stat counter is managed by pf */
 958        if (IS_PF(bp) && bnx2x_storm_stats_validate_counters(bp))
 959                return -EAGAIN;
 960
 961        estats->error_bytes_received_hi = 0;
 962        estats->error_bytes_received_lo = 0;
 963
 964        for_each_eth_queue(bp, i) {
 965                struct bnx2x_fastpath *fp = &bp->fp[i];
 966                struct tstorm_per_queue_stats *tclient =
 967                        &bp->fw_stats_data->queue_stats[i].
 968                        tstorm_queue_statistics;
 969                struct tstorm_per_queue_stats *old_tclient =
 970                        &bnx2x_fp_stats(bp, fp)->old_tclient;
 971                struct ustorm_per_queue_stats *uclient =
 972                        &bp->fw_stats_data->queue_stats[i].
 973                        ustorm_queue_statistics;
 974                struct ustorm_per_queue_stats *old_uclient =
 975                        &bnx2x_fp_stats(bp, fp)->old_uclient;
 976                struct xstorm_per_queue_stats *xclient =
 977                        &bp->fw_stats_data->queue_stats[i].
 978                        xstorm_queue_statistics;
 979                struct xstorm_per_queue_stats *old_xclient =
 980                        &bnx2x_fp_stats(bp, fp)->old_xclient;
 981                struct bnx2x_eth_q_stats *qstats =
 982                        &bnx2x_fp_stats(bp, fp)->eth_q_stats;
 983                struct bnx2x_eth_q_stats_old *qstats_old =
 984                        &bnx2x_fp_stats(bp, fp)->eth_q_stats_old;
 985
 986                u32 diff;
 987
 988                DP(BNX2X_MSG_STATS, "queue[%d]: ucast_sent 0x%x, bcast_sent 0x%x mcast_sent 0x%x\n",
 989                   i, xclient->ucast_pkts_sent,
 990                   xclient->bcast_pkts_sent, xclient->mcast_pkts_sent);
 991
 992                DP(BNX2X_MSG_STATS, "---------------\n");
 993
 994                UPDATE_QSTAT(tclient->rcv_bcast_bytes,
 995                             total_broadcast_bytes_received);
 996                UPDATE_QSTAT(tclient->rcv_mcast_bytes,
 997                             total_multicast_bytes_received);
 998                UPDATE_QSTAT(tclient->rcv_ucast_bytes,
 999                             total_unicast_bytes_received);
1000
1001                /*
1002                 * sum to total_bytes_received all
1003                 * unicast/multicast/broadcast
1004                 */
1005                qstats->total_bytes_received_hi =
1006                        qstats->total_broadcast_bytes_received_hi;
1007                qstats->total_bytes_received_lo =
1008                        qstats->total_broadcast_bytes_received_lo;
1009
1010                ADD_64(qstats->total_bytes_received_hi,
1011                       qstats->total_multicast_bytes_received_hi,
1012                       qstats->total_bytes_received_lo,
1013                       qstats->total_multicast_bytes_received_lo);
1014
1015                ADD_64(qstats->total_bytes_received_hi,
1016                       qstats->total_unicast_bytes_received_hi,
1017                       qstats->total_bytes_received_lo,
1018                       qstats->total_unicast_bytes_received_lo);
1019
1020                qstats->valid_bytes_received_hi =
1021                                        qstats->total_bytes_received_hi;
1022                qstats->valid_bytes_received_lo =
1023                                        qstats->total_bytes_received_lo;
1024
1025                UPDATE_EXTEND_TSTAT(rcv_ucast_pkts,
1026                                        total_unicast_packets_received);
1027                UPDATE_EXTEND_TSTAT(rcv_mcast_pkts,
1028                                        total_multicast_packets_received);
1029                UPDATE_EXTEND_TSTAT(rcv_bcast_pkts,
1030                                        total_broadcast_packets_received);
1031                UPDATE_EXTEND_E_TSTAT(pkts_too_big_discard,
1032                                      etherstatsoverrsizepkts, 32);
1033                UPDATE_EXTEND_E_TSTAT(no_buff_discard, no_buff_discard, 16);
1034
1035                SUB_EXTEND_USTAT(ucast_no_buff_pkts,
1036                                        total_unicast_packets_received);
1037                SUB_EXTEND_USTAT(mcast_no_buff_pkts,
1038                                        total_multicast_packets_received);
1039                SUB_EXTEND_USTAT(bcast_no_buff_pkts,
1040                                        total_broadcast_packets_received);
1041                UPDATE_EXTEND_E_USTAT(ucast_no_buff_pkts, no_buff_discard);
1042                UPDATE_EXTEND_E_USTAT(mcast_no_buff_pkts, no_buff_discard);
1043                UPDATE_EXTEND_E_USTAT(bcast_no_buff_pkts, no_buff_discard);
1044
1045                UPDATE_QSTAT(xclient->bcast_bytes_sent,
1046                             total_broadcast_bytes_transmitted);
1047                UPDATE_QSTAT(xclient->mcast_bytes_sent,
1048                             total_multicast_bytes_transmitted);
1049                UPDATE_QSTAT(xclient->ucast_bytes_sent,
1050                             total_unicast_bytes_transmitted);
1051
1052                /*
1053                 * sum to total_bytes_transmitted all
1054                 * unicast/multicast/broadcast
1055                 */
1056                qstats->total_bytes_transmitted_hi =
1057                                qstats->total_unicast_bytes_transmitted_hi;
1058                qstats->total_bytes_transmitted_lo =
1059                                qstats->total_unicast_bytes_transmitted_lo;
1060
1061                ADD_64(qstats->total_bytes_transmitted_hi,
1062                       qstats->total_broadcast_bytes_transmitted_hi,
1063                       qstats->total_bytes_transmitted_lo,
1064                       qstats->total_broadcast_bytes_transmitted_lo);
1065
1066                ADD_64(qstats->total_bytes_transmitted_hi,
1067                       qstats->total_multicast_bytes_transmitted_hi,
1068                       qstats->total_bytes_transmitted_lo,
1069                       qstats->total_multicast_bytes_transmitted_lo);
1070
1071                UPDATE_EXTEND_XSTAT(ucast_pkts_sent,
1072                                        total_unicast_packets_transmitted);
1073                UPDATE_EXTEND_XSTAT(mcast_pkts_sent,
1074                                        total_multicast_packets_transmitted);
1075                UPDATE_EXTEND_XSTAT(bcast_pkts_sent,
1076                                        total_broadcast_packets_transmitted);
1077
1078                UPDATE_EXTEND_TSTAT(checksum_discard,
1079                                    total_packets_received_checksum_discarded);
1080                UPDATE_EXTEND_TSTAT(ttl0_discard,
1081                                    total_packets_received_ttl0_discarded);
1082
1083                UPDATE_EXTEND_XSTAT(error_drop_pkts,
1084                                    total_transmitted_dropped_packets_error);
1085
1086                /* TPA aggregations completed */
1087                UPDATE_EXTEND_E_USTAT(coalesced_events, total_tpa_aggregations);
1088                /* Number of network frames aggregated by TPA */
1089                UPDATE_EXTEND_E_USTAT(coalesced_pkts,
1090                                      total_tpa_aggregated_frames);
1091                /* Total number of bytes in completed TPA aggregations */
1092                UPDATE_QSTAT(uclient->coalesced_bytes, total_tpa_bytes);
1093
1094                UPDATE_ESTAT_QSTAT_64(total_tpa_bytes);
1095
1096                UPDATE_FSTAT_QSTAT(total_bytes_received);
1097                UPDATE_FSTAT_QSTAT(total_bytes_transmitted);
1098                UPDATE_FSTAT_QSTAT(total_unicast_packets_received);
1099                UPDATE_FSTAT_QSTAT(total_multicast_packets_received);
1100                UPDATE_FSTAT_QSTAT(total_broadcast_packets_received);
1101                UPDATE_FSTAT_QSTAT(total_unicast_packets_transmitted);
1102                UPDATE_FSTAT_QSTAT(total_multicast_packets_transmitted);
1103                UPDATE_FSTAT_QSTAT(total_broadcast_packets_transmitted);
1104                UPDATE_FSTAT_QSTAT(valid_bytes_received);
1105        }
1106
1107        ADD_64(estats->total_bytes_received_hi,
1108               estats->rx_stat_ifhcinbadoctets_hi,
1109               estats->total_bytes_received_lo,
1110               estats->rx_stat_ifhcinbadoctets_lo);
1111
1112        ADD_64_LE(estats->total_bytes_received_hi,
1113                  tfunc->rcv_error_bytes.hi,
1114                  estats->total_bytes_received_lo,
1115                  tfunc->rcv_error_bytes.lo);
1116
1117        ADD_64_LE(estats->error_bytes_received_hi,
1118                  tfunc->rcv_error_bytes.hi,
1119                  estats->error_bytes_received_lo,
1120                  tfunc->rcv_error_bytes.lo);
1121
1122        UPDATE_ESTAT(etherstatsoverrsizepkts, rx_stat_dot3statsframestoolong);
1123
1124        ADD_64(estats->error_bytes_received_hi,
1125               estats->rx_stat_ifhcinbadoctets_hi,
1126               estats->error_bytes_received_lo,
1127               estats->rx_stat_ifhcinbadoctets_lo);
1128
1129        if (bp->port.pmf) {
1130                struct bnx2x_fw_port_stats_old *fwstats = &bp->fw_stats_old;
1131                UPDATE_FW_STAT(mac_filter_discard);
1132                UPDATE_FW_STAT(mf_tag_discard);
1133                UPDATE_FW_STAT(brb_truncate_discard);
1134                UPDATE_FW_STAT(mac_discard);
1135        }
1136
1137        fstats->host_func_stats_start = ++fstats->host_func_stats_end;
1138
1139        bp->stats_pending = 0;
1140
1141        return 0;
1142}
1143
1144static void bnx2x_net_stats_update(struct bnx2x *bp)
1145{
1146        struct bnx2x_eth_stats *estats = &bp->eth_stats;
1147        struct net_device_stats *nstats = &bp->dev->stats;
1148        unsigned long tmp;
1149        int i;
1150
1151        nstats->rx_packets =
1152                bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
1153                bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
1154                bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
1155
1156        nstats->tx_packets =
1157                bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
1158                bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
1159                bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
1160
1161        nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi);
1162
1163        nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
1164
1165        tmp = estats->mac_discard;
1166        for_each_rx_queue(bp, i) {
1167                struct tstorm_per_queue_stats *old_tclient =
1168                        &bp->fp_stats[i].old_tclient;
1169                tmp += le32_to_cpu(old_tclient->checksum_discard);
1170        }
1171        nstats->rx_dropped = tmp + bp->net_stats_old.rx_dropped;
1172
1173        nstats->tx_dropped = 0;
1174
1175        nstats->multicast =
1176                bnx2x_hilo(&estats->total_multicast_packets_received_hi);
1177
1178        nstats->collisions =
1179                bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi);
1180
1181        nstats->rx_length_errors =
1182                bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) +
1183                bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi);
1184        nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) +
1185                                 bnx2x_hilo(&estats->brb_truncate_hi);
1186        nstats->rx_crc_errors =
1187                bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi);
1188        nstats->rx_frame_errors =
1189                bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi);
1190        nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi);
1191        nstats->rx_missed_errors = 0;
1192
1193        nstats->rx_errors = nstats->rx_length_errors +
1194                            nstats->rx_over_errors +
1195                            nstats->rx_crc_errors +
1196                            nstats->rx_frame_errors +
1197                            nstats->rx_fifo_errors +
1198                            nstats->rx_missed_errors;
1199
1200        nstats->tx_aborted_errors =
1201                bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) +
1202                bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi);
1203        nstats->tx_carrier_errors =
1204                bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi);
1205        nstats->tx_fifo_errors = 0;
1206        nstats->tx_heartbeat_errors = 0;
1207        nstats->tx_window_errors = 0;
1208
1209        nstats->tx_errors = nstats->tx_aborted_errors +
1210                            nstats->tx_carrier_errors +
1211            bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi);
1212}
1213
1214static void bnx2x_drv_stats_update(struct bnx2x *bp)
1215{
1216        struct bnx2x_eth_stats *estats = &bp->eth_stats;
1217        int i;
1218
1219        for_each_queue(bp, i) {
1220                struct bnx2x_eth_q_stats *qstats = &bp->fp_stats[i].eth_q_stats;
1221                struct bnx2x_eth_q_stats_old *qstats_old =
1222                        &bp->fp_stats[i].eth_q_stats_old;
1223
1224                UPDATE_ESTAT_QSTAT(driver_xoff);
1225                UPDATE_ESTAT_QSTAT(rx_err_discard_pkt);
1226                UPDATE_ESTAT_QSTAT(rx_skb_alloc_failed);
1227                UPDATE_ESTAT_QSTAT(hw_csum_err);
1228                UPDATE_ESTAT_QSTAT(driver_filtered_tx_pkt);
1229        }
1230}
1231
1232static bool bnx2x_edebug_stats_stopped(struct bnx2x *bp)
1233{
1234        u32 val;
1235
1236        if (SHMEM2_HAS(bp, edebug_driver_if[1])) {
1237                val = SHMEM2_RD(bp, edebug_driver_if[1]);
1238
1239                if (val == EDEBUG_DRIVER_IF_OP_CODE_DISABLE_STAT)
1240                        return true;
1241        }
1242
1243        return false;
1244}
1245
1246static void bnx2x_stats_update(struct bnx2x *bp)
1247{
1248        u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1249
1250        /* we run update from timer context, so give up
1251         * if somebody is in the middle of transition
1252         */
1253        if (down_trylock(&bp->stats_sema))
1254                return;
1255
1256        if (bnx2x_edebug_stats_stopped(bp) || !bp->stats_started)
1257                goto out;
1258
1259        if (IS_PF(bp)) {
1260                if (*stats_comp != DMAE_COMP_VAL)
1261                        goto out;
1262
1263                if (bp->port.pmf)
1264                        bnx2x_hw_stats_update(bp);
1265
1266                if (bnx2x_storm_stats_update(bp)) {
1267                        if (bp->stats_pending++ == 3) {
1268                                BNX2X_ERR("storm stats were not updated for 3 times\n");
1269                                bnx2x_panic();
1270                        }
1271                        goto out;
1272                }
1273        } else {
1274                /* vf doesn't collect HW statistics, and doesn't get completions
1275                 * perform only update
1276                 */
1277                bnx2x_storm_stats_update(bp);
1278        }
1279
1280        bnx2x_net_stats_update(bp);
1281        bnx2x_drv_stats_update(bp);
1282
1283        /* vf is done */
1284        if (IS_VF(bp))
1285                goto out;
1286
1287        if (netif_msg_timer(bp)) {
1288                struct bnx2x_eth_stats *estats = &bp->eth_stats;
1289
1290                netdev_dbg(bp->dev, "brb drops %u  brb truncate %u\n",
1291                       estats->brb_drop_lo, estats->brb_truncate_lo);
1292        }
1293
1294        bnx2x_hw_stats_post(bp);
1295        bnx2x_storm_stats_post(bp);
1296
1297out:
1298        up(&bp->stats_sema);
1299}
1300
1301static void bnx2x_port_stats_stop(struct bnx2x *bp)
1302{
1303        struct dmae_command *dmae;
1304        u32 opcode;
1305        int loader_idx = PMF_DMAE_C(bp);
1306        u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1307
1308        bp->executer_idx = 0;
1309
1310        opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC, false, 0);
1311
1312        if (bp->port.port_stx) {
1313
1314                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1315                if (bp->func_stx)
1316                        dmae->opcode = bnx2x_dmae_opcode_add_comp(
1317                                                opcode, DMAE_COMP_GRC);
1318                else
1319                        dmae->opcode = bnx2x_dmae_opcode_add_comp(
1320                                                opcode, DMAE_COMP_PCI);
1321
1322                dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1323                dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1324                dmae->dst_addr_lo = bp->port.port_stx >> 2;
1325                dmae->dst_addr_hi = 0;
1326                dmae->len = bnx2x_get_port_stats_dma_len(bp);
1327                if (bp->func_stx) {
1328                        dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
1329                        dmae->comp_addr_hi = 0;
1330                        dmae->comp_val = 1;
1331                } else {
1332                        dmae->comp_addr_lo =
1333                                U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1334                        dmae->comp_addr_hi =
1335                                U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1336                        dmae->comp_val = DMAE_COMP_VAL;
1337
1338                        *stats_comp = 0;
1339                }
1340        }
1341
1342        if (bp->func_stx) {
1343
1344                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1345                dmae->opcode =
1346                        bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
1347                dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
1348                dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
1349                dmae->dst_addr_lo = bp->func_stx >> 2;
1350                dmae->dst_addr_hi = 0;
1351                dmae->len = sizeof(struct host_func_stats) >> 2;
1352                dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1353                dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1354                dmae->comp_val = DMAE_COMP_VAL;
1355
1356                *stats_comp = 0;
1357        }
1358}
1359
1360static void bnx2x_stats_stop(struct bnx2x *bp)
1361{
1362        int update = 0;
1363
1364        if (down_timeout(&bp->stats_sema, HZ/10))
1365                BNX2X_ERR("Unable to acquire stats lock\n");
1366
1367        bp->stats_started = false;
1368
1369        bnx2x_stats_comp(bp);
1370
1371        if (bp->port.pmf)
1372                update = (bnx2x_hw_stats_update(bp) == 0);
1373
1374        update |= (bnx2x_storm_stats_update(bp) == 0);
1375
1376        if (update) {
1377                bnx2x_net_stats_update(bp);
1378
1379                if (bp->port.pmf)
1380                        bnx2x_port_stats_stop(bp);
1381
1382                bnx2x_hw_stats_post(bp);
1383                bnx2x_stats_comp(bp);
1384        }
1385
1386        up(&bp->stats_sema);
1387}
1388
1389static void bnx2x_stats_do_nothing(struct bnx2x *bp)
1390{
1391}
1392
1393static const struct {
1394        void (*action)(struct bnx2x *bp);
1395        enum bnx2x_stats_state next_state;
1396} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
1397/* state        event   */
1398{
1399/* DISABLED     PMF     */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
1400/*              LINK_UP */ {bnx2x_stats_start,      STATS_STATE_ENABLED},
1401/*              UPDATE  */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
1402/*              STOP    */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
1403},
1404{
1405/* ENABLED      PMF     */ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
1406/*              LINK_UP */ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
1407/*              UPDATE  */ {bnx2x_stats_update,     STATS_STATE_ENABLED},
1408/*              STOP    */ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
1409}
1410};
1411
1412void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
1413{
1414        enum bnx2x_stats_state state;
1415        void (*action)(struct bnx2x *bp);
1416        if (unlikely(bp->panic))
1417                return;
1418
1419        spin_lock_bh(&bp->stats_lock);
1420        state = bp->stats_state;
1421        bp->stats_state = bnx2x_stats_stm[state][event].next_state;
1422        action = bnx2x_stats_stm[state][event].action;
1423        spin_unlock_bh(&bp->stats_lock);
1424
1425        action(bp);
1426
1427        if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
1428                DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
1429                   state, event, bp->stats_state);
1430}
1431
1432static void bnx2x_port_stats_base_init(struct bnx2x *bp)
1433{
1434        struct dmae_command *dmae;
1435        u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1436
1437        /* sanity */
1438        if (!bp->port.pmf || !bp->port.port_stx) {
1439                BNX2X_ERR("BUG!\n");
1440                return;
1441        }
1442
1443        bp->executer_idx = 0;
1444
1445        dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1446        dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
1447                                         true, DMAE_COMP_PCI);
1448        dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1449        dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1450        dmae->dst_addr_lo = bp->port.port_stx >> 2;
1451        dmae->dst_addr_hi = 0;
1452        dmae->len = bnx2x_get_port_stats_dma_len(bp);
1453        dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1454        dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1455        dmae->comp_val = DMAE_COMP_VAL;
1456
1457        *stats_comp = 0;
1458        bnx2x_hw_stats_post(bp);
1459        bnx2x_stats_comp(bp);
1460}
1461
1462/* This function will prepare the statistics ramrod data the way
1463 * we will only have to increment the statistics counter and
1464 * send the ramrod each time we have to.
1465 */
1466static void bnx2x_prep_fw_stats_req(struct bnx2x *bp)
1467{
1468        int i;
1469        int first_queue_query_index;
1470        struct stats_query_header *stats_hdr = &bp->fw_stats_req->hdr;
1471
1472        dma_addr_t cur_data_offset;
1473        struct stats_query_entry *cur_query_entry;
1474
1475        stats_hdr->cmd_num = bp->fw_stats_num;
1476        stats_hdr->drv_stats_counter = 0;
1477
1478        /* storm_counters struct contains the counters of completed
1479         * statistics requests per storm which are incremented by FW
1480         * each time it completes hadning a statistics ramrod. We will
1481         * check these counters in the timer handler and discard a
1482         * (statistics) ramrod completion.
1483         */
1484        cur_data_offset = bp->fw_stats_data_mapping +
1485                offsetof(struct bnx2x_fw_stats_data, storm_counters);
1486
1487        stats_hdr->stats_counters_addrs.hi =
1488                cpu_to_le32(U64_HI(cur_data_offset));
1489        stats_hdr->stats_counters_addrs.lo =
1490                cpu_to_le32(U64_LO(cur_data_offset));
1491
1492        /* prepare to the first stats ramrod (will be completed with
1493         * the counters equal to zero) - init counters to somethig different.
1494         */
1495        memset(&bp->fw_stats_data->storm_counters, 0xff,
1496               sizeof(struct stats_counter));
1497
1498        /**** Port FW statistics data ****/
1499        cur_data_offset = bp->fw_stats_data_mapping +
1500                offsetof(struct bnx2x_fw_stats_data, port);
1501
1502        cur_query_entry = &bp->fw_stats_req->query[BNX2X_PORT_QUERY_IDX];
1503
1504        cur_query_entry->kind = STATS_TYPE_PORT;
1505        /* For port query index is a DONT CARE */
1506        cur_query_entry->index = BP_PORT(bp);
1507        /* For port query funcID is a DONT CARE */
1508        cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1509        cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1510        cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1511
1512        /**** PF FW statistics data ****/
1513        cur_data_offset = bp->fw_stats_data_mapping +
1514                offsetof(struct bnx2x_fw_stats_data, pf);
1515
1516        cur_query_entry = &bp->fw_stats_req->query[BNX2X_PF_QUERY_IDX];
1517
1518        cur_query_entry->kind = STATS_TYPE_PF;
1519        /* For PF query index is a DONT CARE */
1520        cur_query_entry->index = BP_PORT(bp);
1521        cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1522        cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1523        cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1524
1525        /**** FCoE FW statistics data ****/
1526        if (!NO_FCOE(bp)) {
1527                cur_data_offset = bp->fw_stats_data_mapping +
1528                        offsetof(struct bnx2x_fw_stats_data, fcoe);
1529
1530                cur_query_entry =
1531                        &bp->fw_stats_req->query[BNX2X_FCOE_QUERY_IDX];
1532
1533                cur_query_entry->kind = STATS_TYPE_FCOE;
1534                /* For FCoE query index is a DONT CARE */
1535                cur_query_entry->index = BP_PORT(bp);
1536                cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1537                cur_query_entry->address.hi =
1538                        cpu_to_le32(U64_HI(cur_data_offset));
1539                cur_query_entry->address.lo =
1540                        cpu_to_le32(U64_LO(cur_data_offset));
1541        }
1542
1543        /**** Clients' queries ****/
1544        cur_data_offset = bp->fw_stats_data_mapping +
1545                offsetof(struct bnx2x_fw_stats_data, queue_stats);
1546
1547        /* first queue query index depends whether FCoE offloaded request will
1548         * be included in the ramrod
1549         */
1550        if (!NO_FCOE(bp))
1551                first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX;
1552        else
1553                first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - 1;
1554
1555        for_each_eth_queue(bp, i) {
1556                cur_query_entry =
1557                        &bp->fw_stats_req->
1558                                        query[first_queue_query_index + i];
1559
1560                cur_query_entry->kind = STATS_TYPE_QUEUE;
1561                cur_query_entry->index = bnx2x_stats_id(&bp->fp[i]);
1562                cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1563                cur_query_entry->address.hi =
1564                        cpu_to_le32(U64_HI(cur_data_offset));
1565                cur_query_entry->address.lo =
1566                        cpu_to_le32(U64_LO(cur_data_offset));
1567
1568                cur_data_offset += sizeof(struct per_queue_stats);
1569        }
1570
1571        /* add FCoE queue query if needed */
1572        if (!NO_FCOE(bp)) {
1573                cur_query_entry =
1574                        &bp->fw_stats_req->
1575                                        query[first_queue_query_index + i];
1576
1577                cur_query_entry->kind = STATS_TYPE_QUEUE;
1578                cur_query_entry->index = bnx2x_stats_id(&bp->fp[FCOE_IDX(bp)]);
1579                cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1580                cur_query_entry->address.hi =
1581                        cpu_to_le32(U64_HI(cur_data_offset));
1582                cur_query_entry->address.lo =
1583                        cpu_to_le32(U64_LO(cur_data_offset));
1584        }
1585}
1586
1587void bnx2x_memset_stats(struct bnx2x *bp)
1588{
1589        int i;
1590
1591        /* function stats */
1592        for_each_queue(bp, i) {
1593                struct bnx2x_fp_stats *fp_stats = &bp->fp_stats[i];
1594
1595                memset(&fp_stats->old_tclient, 0,
1596                       sizeof(fp_stats->old_tclient));
1597                memset(&fp_stats->old_uclient, 0,
1598                       sizeof(fp_stats->old_uclient));
1599                memset(&fp_stats->old_xclient, 0,
1600                       sizeof(fp_stats->old_xclient));
1601                if (bp->stats_init) {
1602                        memset(&fp_stats->eth_q_stats, 0,
1603                               sizeof(fp_stats->eth_q_stats));
1604                        memset(&fp_stats->eth_q_stats_old, 0,
1605                               sizeof(fp_stats->eth_q_stats_old));
1606                }
1607        }
1608
1609        memset(&bp->dev->stats, 0, sizeof(bp->dev->stats));
1610
1611        if (bp->stats_init) {
1612                memset(&bp->net_stats_old, 0, sizeof(bp->net_stats_old));
1613                memset(&bp->fw_stats_old, 0, sizeof(bp->fw_stats_old));
1614                memset(&bp->eth_stats_old, 0, sizeof(bp->eth_stats_old));
1615                memset(&bp->eth_stats, 0, sizeof(bp->eth_stats));
1616                memset(&bp->func_stats, 0, sizeof(bp->func_stats));
1617        }
1618
1619        bp->stats_state = STATS_STATE_DISABLED;
1620
1621        if (bp->port.pmf && bp->port.port_stx)
1622                bnx2x_port_stats_base_init(bp);
1623
1624        /* mark the end of statistics initializiation */
1625        bp->stats_init = false;
1626}
1627
1628void bnx2x_stats_init(struct bnx2x *bp)
1629{
1630        int /*abs*/port = BP_PORT(bp);
1631        int mb_idx = BP_FW_MB_IDX(bp);
1632
1633        bp->stats_pending = 0;
1634        bp->executer_idx = 0;
1635        bp->stats_counter = 0;
1636
1637        /* port and func stats for management */
1638        if (!BP_NOMCP(bp)) {
1639                bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
1640                bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1641
1642        } else {
1643                bp->port.port_stx = 0;
1644                bp->func_stx = 0;
1645        }
1646        DP(BNX2X_MSG_STATS, "port_stx 0x%x  func_stx 0x%x\n",
1647           bp->port.port_stx, bp->func_stx);
1648
1649        /* pmf should retrieve port statistics from SP on a non-init*/
1650        if (!bp->stats_init && bp->port.pmf && bp->port.port_stx)
1651                bnx2x_stats_handle(bp, STATS_EVENT_PMF);
1652
1653        port = BP_PORT(bp);
1654        /* port stats */
1655        memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
1656        bp->port.old_nig_stats.brb_discard =
1657                        REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
1658        bp->port.old_nig_stats.brb_truncate =
1659                        REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
1660        if (!CHIP_IS_E3(bp)) {
1661                REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
1662                            &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
1663                REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
1664                            &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
1665        }
1666
1667        /* Prepare statistics ramrod data */
1668        bnx2x_prep_fw_stats_req(bp);
1669
1670        /* Clean SP from previous statistics */
1671        if (bp->stats_init) {
1672                if (bp->func_stx) {
1673                        memset(bnx2x_sp(bp, func_stats), 0,
1674                               sizeof(struct host_func_stats));
1675                        bnx2x_func_stats_init(bp);
1676                        bnx2x_hw_stats_post(bp);
1677                        bnx2x_stats_comp(bp);
1678                }
1679        }
1680
1681        bnx2x_memset_stats(bp);
1682}
1683
1684void bnx2x_save_statistics(struct bnx2x *bp)
1685{
1686        int i;
1687        struct net_device_stats *nstats = &bp->dev->stats;
1688
1689        /* save queue statistics */
1690        for_each_eth_queue(bp, i) {
1691                struct bnx2x_fastpath *fp = &bp->fp[i];
1692                struct bnx2x_eth_q_stats *qstats =
1693                        &bnx2x_fp_stats(bp, fp)->eth_q_stats;
1694                struct bnx2x_eth_q_stats_old *qstats_old =
1695                        &bnx2x_fp_stats(bp, fp)->eth_q_stats_old;
1696
1697                UPDATE_QSTAT_OLD(total_unicast_bytes_received_hi);
1698                UPDATE_QSTAT_OLD(total_unicast_bytes_received_lo);
1699                UPDATE_QSTAT_OLD(total_broadcast_bytes_received_hi);
1700                UPDATE_QSTAT_OLD(total_broadcast_bytes_received_lo);
1701                UPDATE_QSTAT_OLD(total_multicast_bytes_received_hi);
1702                UPDATE_QSTAT_OLD(total_multicast_bytes_received_lo);
1703                UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_hi);
1704                UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_lo);
1705                UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_hi);
1706                UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_lo);
1707                UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_hi);
1708                UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_lo);
1709                UPDATE_QSTAT_OLD(total_tpa_bytes_hi);
1710                UPDATE_QSTAT_OLD(total_tpa_bytes_lo);
1711        }
1712
1713        /* save net_device_stats statistics */
1714        bp->net_stats_old.rx_dropped = nstats->rx_dropped;
1715
1716        /* store port firmware statistics */
1717        if (bp->port.pmf && IS_MF(bp)) {
1718                struct bnx2x_eth_stats *estats = &bp->eth_stats;
1719                struct bnx2x_fw_port_stats_old *fwstats = &bp->fw_stats_old;
1720                UPDATE_FW_STAT_OLD(mac_filter_discard);
1721                UPDATE_FW_STAT_OLD(mf_tag_discard);
1722                UPDATE_FW_STAT_OLD(brb_truncate_discard);
1723                UPDATE_FW_STAT_OLD(mac_discard);
1724        }
1725}
1726
1727void bnx2x_afex_collect_stats(struct bnx2x *bp, void *void_afex_stats,
1728                              u32 stats_type)
1729{
1730        int i;
1731        struct afex_stats *afex_stats = (struct afex_stats *)void_afex_stats;
1732        struct bnx2x_eth_stats *estats = &bp->eth_stats;
1733        struct per_queue_stats *fcoe_q_stats =
1734                &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)];
1735
1736        struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
1737                &fcoe_q_stats->tstorm_queue_statistics;
1738
1739        struct ustorm_per_queue_stats *fcoe_q_ustorm_stats =
1740                &fcoe_q_stats->ustorm_queue_statistics;
1741
1742        struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
1743                &fcoe_q_stats->xstorm_queue_statistics;
1744
1745        struct fcoe_statistics_params *fw_fcoe_stat =
1746                &bp->fw_stats_data->fcoe;
1747
1748        memset(afex_stats, 0, sizeof(struct afex_stats));
1749
1750        for_each_eth_queue(bp, i) {
1751                struct bnx2x_eth_q_stats *qstats = &bp->fp_stats[i].eth_q_stats;
1752
1753                ADD_64(afex_stats->rx_unicast_bytes_hi,
1754                       qstats->total_unicast_bytes_received_hi,
1755                       afex_stats->rx_unicast_bytes_lo,
1756                       qstats->total_unicast_bytes_received_lo);
1757
1758                ADD_64(afex_stats->rx_broadcast_bytes_hi,
1759                       qstats->total_broadcast_bytes_received_hi,
1760                       afex_stats->rx_broadcast_bytes_lo,
1761                       qstats->total_broadcast_bytes_received_lo);
1762
1763                ADD_64(afex_stats->rx_multicast_bytes_hi,
1764                       qstats->total_multicast_bytes_received_hi,
1765                       afex_stats->rx_multicast_bytes_lo,
1766                       qstats->total_multicast_bytes_received_lo);
1767
1768                ADD_64(afex_stats->rx_unicast_frames_hi,
1769                       qstats->total_unicast_packets_received_hi,
1770                       afex_stats->rx_unicast_frames_lo,
1771                       qstats->total_unicast_packets_received_lo);
1772
1773                ADD_64(afex_stats->rx_broadcast_frames_hi,
1774                       qstats->total_broadcast_packets_received_hi,
1775                       afex_stats->rx_broadcast_frames_lo,
1776                       qstats->total_broadcast_packets_received_lo);
1777
1778                ADD_64(afex_stats->rx_multicast_frames_hi,
1779                       qstats->total_multicast_packets_received_hi,
1780                       afex_stats->rx_multicast_frames_lo,
1781                       qstats->total_multicast_packets_received_lo);
1782
1783                /* sum to rx_frames_discarded all discraded
1784                 * packets due to size, ttl0 and checksum
1785                 */
1786                ADD_64(afex_stats->rx_frames_discarded_hi,
1787                       qstats->total_packets_received_checksum_discarded_hi,
1788                       afex_stats->rx_frames_discarded_lo,
1789                       qstats->total_packets_received_checksum_discarded_lo);
1790
1791                ADD_64(afex_stats->rx_frames_discarded_hi,
1792                       qstats->total_packets_received_ttl0_discarded_hi,
1793                       afex_stats->rx_frames_discarded_lo,
1794                       qstats->total_packets_received_ttl0_discarded_lo);
1795
1796                ADD_64(afex_stats->rx_frames_discarded_hi,
1797                       qstats->etherstatsoverrsizepkts_hi,
1798                       afex_stats->rx_frames_discarded_lo,
1799                       qstats->etherstatsoverrsizepkts_lo);
1800
1801                ADD_64(afex_stats->rx_frames_dropped_hi,
1802                       qstats->no_buff_discard_hi,
1803                       afex_stats->rx_frames_dropped_lo,
1804                       qstats->no_buff_discard_lo);
1805
1806                ADD_64(afex_stats->tx_unicast_bytes_hi,
1807                       qstats->total_unicast_bytes_transmitted_hi,
1808                       afex_stats->tx_unicast_bytes_lo,
1809                       qstats->total_unicast_bytes_transmitted_lo);
1810
1811                ADD_64(afex_stats->tx_broadcast_bytes_hi,
1812                       qstats->total_broadcast_bytes_transmitted_hi,
1813                       afex_stats->tx_broadcast_bytes_lo,
1814                       qstats->total_broadcast_bytes_transmitted_lo);
1815
1816                ADD_64(afex_stats->tx_multicast_bytes_hi,
1817                       qstats->total_multicast_bytes_transmitted_hi,
1818                       afex_stats->tx_multicast_bytes_lo,
1819                       qstats->total_multicast_bytes_transmitted_lo);
1820
1821                ADD_64(afex_stats->tx_unicast_frames_hi,
1822                       qstats->total_unicast_packets_transmitted_hi,
1823                       afex_stats->tx_unicast_frames_lo,
1824                       qstats->total_unicast_packets_transmitted_lo);
1825
1826                ADD_64(afex_stats->tx_broadcast_frames_hi,
1827                       qstats->total_broadcast_packets_transmitted_hi,
1828                       afex_stats->tx_broadcast_frames_lo,
1829                       qstats->total_broadcast_packets_transmitted_lo);
1830
1831                ADD_64(afex_stats->tx_multicast_frames_hi,
1832                       qstats->total_multicast_packets_transmitted_hi,
1833                       afex_stats->tx_multicast_frames_lo,
1834                       qstats->total_multicast_packets_transmitted_lo);
1835
1836                ADD_64(afex_stats->tx_frames_dropped_hi,
1837                       qstats->total_transmitted_dropped_packets_error_hi,
1838                       afex_stats->tx_frames_dropped_lo,
1839                       qstats->total_transmitted_dropped_packets_error_lo);
1840        }
1841
1842        /* now add FCoE statistics which are collected separately
1843         * (both offloaded and non offloaded)
1844         */
1845        if (!NO_FCOE(bp)) {
1846                ADD_64_LE(afex_stats->rx_unicast_bytes_hi,
1847                          LE32_0,
1848                          afex_stats->rx_unicast_bytes_lo,
1849                          fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
1850
1851                ADD_64_LE(afex_stats->rx_unicast_bytes_hi,
1852                          fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
1853                          afex_stats->rx_unicast_bytes_lo,
1854                          fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
1855
1856                ADD_64_LE(afex_stats->rx_broadcast_bytes_hi,
1857                          fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
1858                          afex_stats->rx_broadcast_bytes_lo,
1859                          fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
1860
1861                ADD_64_LE(afex_stats->rx_multicast_bytes_hi,
1862                          fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
1863                          afex_stats->rx_multicast_bytes_lo,
1864                          fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
1865
1866                ADD_64_LE(afex_stats->rx_unicast_frames_hi,
1867                          LE32_0,
1868                          afex_stats->rx_unicast_frames_lo,
1869                          fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
1870
1871                ADD_64_LE(afex_stats->rx_unicast_frames_hi,
1872                          LE32_0,
1873                          afex_stats->rx_unicast_frames_lo,
1874                          fcoe_q_tstorm_stats->rcv_ucast_pkts);
1875
1876                ADD_64_LE(afex_stats->rx_broadcast_frames_hi,
1877                          LE32_0,
1878                          afex_stats->rx_broadcast_frames_lo,
1879                          fcoe_q_tstorm_stats->rcv_bcast_pkts);
1880
1881                ADD_64_LE(afex_stats->rx_multicast_frames_hi,
1882                          LE32_0,
1883                          afex_stats->rx_multicast_frames_lo,
1884                          fcoe_q_tstorm_stats->rcv_ucast_pkts);
1885
1886                ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1887                          LE32_0,
1888                          afex_stats->rx_frames_discarded_lo,
1889                          fcoe_q_tstorm_stats->checksum_discard);
1890
1891                ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1892                          LE32_0,
1893                          afex_stats->rx_frames_discarded_lo,
1894                          fcoe_q_tstorm_stats->pkts_too_big_discard);
1895
1896                ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1897                          LE32_0,
1898                          afex_stats->rx_frames_discarded_lo,
1899                          fcoe_q_tstorm_stats->ttl0_discard);
1900
1901                ADD_64_LE16(afex_stats->rx_frames_dropped_hi,
1902                            LE16_0,
1903                            afex_stats->rx_frames_dropped_lo,
1904                            fcoe_q_tstorm_stats->no_buff_discard);
1905
1906                ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1907                          LE32_0,
1908                          afex_stats->rx_frames_dropped_lo,
1909                          fcoe_q_ustorm_stats->ucast_no_buff_pkts);
1910
1911                ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1912                          LE32_0,
1913                          afex_stats->rx_frames_dropped_lo,
1914                          fcoe_q_ustorm_stats->mcast_no_buff_pkts);
1915
1916                ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1917                          LE32_0,
1918                          afex_stats->rx_frames_dropped_lo,
1919                          fcoe_q_ustorm_stats->bcast_no_buff_pkts);
1920
1921                ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1922                          LE32_0,
1923                          afex_stats->rx_frames_dropped_lo,
1924                          fw_fcoe_stat->rx_stat1.fcoe_rx_drop_pkt_cnt);
1925
1926                ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1927                          LE32_0,
1928                          afex_stats->rx_frames_dropped_lo,
1929                          fw_fcoe_stat->rx_stat2.fcoe_rx_drop_pkt_cnt);
1930
1931                ADD_64_LE(afex_stats->tx_unicast_bytes_hi,
1932                          LE32_0,
1933                          afex_stats->tx_unicast_bytes_lo,
1934                          fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
1935
1936                ADD_64_LE(afex_stats->tx_unicast_bytes_hi,
1937                          fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
1938                          afex_stats->tx_unicast_bytes_lo,
1939                          fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
1940
1941                ADD_64_LE(afex_stats->tx_broadcast_bytes_hi,
1942                          fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
1943                          afex_stats->tx_broadcast_bytes_lo,
1944                          fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
1945
1946                ADD_64_LE(afex_stats->tx_multicast_bytes_hi,
1947                          fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
1948                          afex_stats->tx_multicast_bytes_lo,
1949                          fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
1950
1951                ADD_64_LE(afex_stats->tx_unicast_frames_hi,
1952                          LE32_0,
1953                          afex_stats->tx_unicast_frames_lo,
1954                          fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
1955
1956                ADD_64_LE(afex_stats->tx_unicast_frames_hi,
1957                          LE32_0,
1958                          afex_stats->tx_unicast_frames_lo,
1959                          fcoe_q_xstorm_stats->ucast_pkts_sent);
1960
1961                ADD_64_LE(afex_stats->tx_broadcast_frames_hi,
1962                          LE32_0,
1963                          afex_stats->tx_broadcast_frames_lo,
1964                          fcoe_q_xstorm_stats->bcast_pkts_sent);
1965
1966                ADD_64_LE(afex_stats->tx_multicast_frames_hi,
1967                          LE32_0,
1968                          afex_stats->tx_multicast_frames_lo,
1969                          fcoe_q_xstorm_stats->mcast_pkts_sent);
1970
1971                ADD_64_LE(afex_stats->tx_frames_dropped_hi,
1972                          LE32_0,
1973                          afex_stats->tx_frames_dropped_lo,
1974                          fcoe_q_xstorm_stats->error_drop_pkts);
1975        }
1976
1977        /* if port stats are requested, add them to the PMF
1978         * stats, as anyway they will be accumulated by the
1979         * MCP before sent to the switch
1980         */
1981        if ((bp->port.pmf) && (stats_type == VICSTATST_UIF_INDEX)) {
1982                ADD_64(afex_stats->rx_frames_dropped_hi,
1983                       0,
1984                       afex_stats->rx_frames_dropped_lo,
1985                       estats->mac_filter_discard);
1986                ADD_64(afex_stats->rx_frames_dropped_hi,
1987                       0,
1988                       afex_stats->rx_frames_dropped_lo,
1989                       estats->brb_truncate_discard);
1990                ADD_64(afex_stats->rx_frames_discarded_hi,
1991                       0,
1992                       afex_stats->rx_frames_discarded_lo,
1993                       estats->mac_discard);
1994        }
1995}
1996
1997void bnx2x_stats_safe_exec(struct bnx2x *bp,
1998                           void (func_to_exec)(void *cookie),
1999                           void *cookie){
2000        if (down_timeout(&bp->stats_sema, HZ/10))
2001                BNX2X_ERR("Unable to acquire stats lock\n");
2002        bnx2x_stats_comp(bp);
2003        func_to_exec(cookie);
2004        __bnx2x_stats_start(bp);
2005        up(&bp->stats_sema);
2006}
2007