akaros/kern/drivers/net/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#include <linux_compat.h>
  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(uint32_t *hiref)
  31{
  32        uint32_t lo = *(hiref + 1);
  33#if (BITS_PER_LONG == 64)
  34        uint32_t hi = *hiref;
  35
  36        return HILO_U64(hi, lo);
  37#else
  38        return lo;
  39#endif
  40}
  41
  42static inline uint16_t bnx2x_get_port_stats_dma_len(struct bnx2x *bp)
  43{
  44        uint16_t res = 0;
  45
  46        /* 'newest' convention - shmem2 cotains the size of the port stats */
  47        if (SHMEM2_HAS(bp, sizeof_port_stats)) {
  48                uint32_t 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(&bp->stats_lock);
 130
 131                if (bp->stats_pending) {
 132                        spin_unlock(&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                   le16_to_cpu(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(&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        uint32_t *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                uint32_t 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 void bnx2x_stats_comp(struct bnx2x *bp)
 204{
 205        uint32_t *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                kthread_usleep(1000);
 216        }
 217}
 218
 219/*
 220 * Statistics service functions
 221 */
 222
 223/* should be called under stats_sema */
 224static void __bnx2x_stats_pmf_update(struct bnx2x *bp)
 225{
 226        struct dmae_command *dmae;
 227        uint32_t opcode;
 228        int loader_idx = PMF_DMAE_C(bp);
 229        uint32_t *stats_comp = bnx2x_sp(bp, stats_comp);
 230
 231        /* sanity */
 232        if (!bp->port.pmf || !bp->port.port_stx) {
 233                BNX2X_ERR("BUG!\n");
 234                return;
 235        }
 236
 237        bp->executer_idx = 0;
 238
 239        opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI, false, 0);
 240
 241        dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 242        dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_GRC);
 243        dmae->src_addr_lo = bp->port.port_stx >> 2;
 244        dmae->src_addr_hi = 0;
 245        dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 246        dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 247        dmae->len = DMAE_LEN32_RD_MAX;
 248        dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 249        dmae->comp_addr_hi = 0;
 250        dmae->comp_val = 1;
 251
 252        dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 253        dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
 254        dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
 255        dmae->src_addr_hi = 0;
 256        dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
 257                                   DMAE_LEN32_RD_MAX * 4);
 258        dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
 259                                   DMAE_LEN32_RD_MAX * 4);
 260        dmae->len = bnx2x_get_port_stats_dma_len(bp) - DMAE_LEN32_RD_MAX;
 261
 262        dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 263        dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 264        dmae->comp_val = DMAE_COMP_VAL;
 265
 266        *stats_comp = 0;
 267        bnx2x_hw_stats_post(bp);
 268        bnx2x_stats_comp(bp);
 269}
 270
 271static void bnx2x_port_stats_init(struct bnx2x *bp)
 272{
 273        struct dmae_command *dmae;
 274        int port = BP_PORT(bp);
 275        uint32_t opcode;
 276        int loader_idx = PMF_DMAE_C(bp);
 277        uint32_t mac_addr;
 278        uint32_t *stats_comp = bnx2x_sp(bp, stats_comp);
 279
 280        /* sanity */
 281        if (!bp->link_vars.link_up || !bp->port.pmf) {
 282                BNX2X_ERR("BUG!\n");
 283                return;
 284        }
 285
 286        bp->executer_idx = 0;
 287
 288        /* MCP */
 289        opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 290                                    true, DMAE_COMP_GRC);
 291
 292        if (bp->port.port_stx) {
 293
 294                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 295                dmae->opcode = opcode;
 296                dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 297                dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 298                dmae->dst_addr_lo = bp->port.port_stx >> 2;
 299                dmae->dst_addr_hi = 0;
 300                dmae->len = bnx2x_get_port_stats_dma_len(bp);
 301                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 302                dmae->comp_addr_hi = 0;
 303                dmae->comp_val = 1;
 304        }
 305
 306        if (bp->func_stx) {
 307
 308                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 309                dmae->opcode = opcode;
 310                dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 311                dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 312                dmae->dst_addr_lo = bp->func_stx >> 2;
 313                dmae->dst_addr_hi = 0;
 314                dmae->len = sizeof(struct host_func_stats) >> 2;
 315                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 316                dmae->comp_addr_hi = 0;
 317                dmae->comp_val = 1;
 318        }
 319
 320        /* MAC */
 321        opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 322                                   true, DMAE_COMP_GRC);
 323
 324        /* EMAC is special */
 325        if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
 326                mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
 327
 328                /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
 329                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 330                dmae->opcode = opcode;
 331                dmae->src_addr_lo = (mac_addr +
 332                                     EMAC_REG_EMAC_RX_STAT_AC) >> 2;
 333                dmae->src_addr_hi = 0;
 334                dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 335                dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 336                dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
 337                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 338                dmae->comp_addr_hi = 0;
 339                dmae->comp_val = 1;
 340
 341                /* EMAC_REG_EMAC_RX_STAT_AC_28 */
 342                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 343                dmae->opcode = opcode;
 344                dmae->src_addr_lo = (mac_addr +
 345                                     EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
 346                dmae->src_addr_hi = 0;
 347                dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 348                     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 349                dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 350                     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 351                dmae->len = 1;
 352                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 353                dmae->comp_addr_hi = 0;
 354                dmae->comp_val = 1;
 355
 356                /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
 357                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 358                dmae->opcode = opcode;
 359                dmae->src_addr_lo = (mac_addr +
 360                                     EMAC_REG_EMAC_TX_STAT_AC) >> 2;
 361                dmae->src_addr_hi = 0;
 362                dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 363                        offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 364                dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 365                        offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 366                dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
 367                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 368                dmae->comp_addr_hi = 0;
 369                dmae->comp_val = 1;
 370        } else {
 371                uint32_t tx_src_addr_lo, rx_src_addr_lo;
 372                uint16_t rx_len, tx_len;
 373
 374                /* configure the params according to MAC type */
 375                switch (bp->link_vars.mac_type) {
 376                case MAC_TYPE_BMAC:
 377                        mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
 378                                           NIG_REG_INGRESS_BMAC0_MEM);
 379
 380                        /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
 381                           BIGMAC_REGISTER_TX_STAT_GTBYT */
 382                        if (CHIP_IS_E1x(bp)) {
 383                                tx_src_addr_lo = (mac_addr +
 384                                        BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 385                                tx_len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
 386                                          BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 387                                rx_src_addr_lo = (mac_addr +
 388                                        BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 389                                rx_len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
 390                                          BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 391                        } else {
 392                                tx_src_addr_lo = (mac_addr +
 393                                        BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 394                                tx_len = (8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
 395                                          BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 396                                rx_src_addr_lo = (mac_addr +
 397                                        BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 398                                rx_len = (8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
 399                                          BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 400                        }
 401                        break;
 402
 403                case MAC_TYPE_UMAC: /* handled by MSTAT */
 404                case MAC_TYPE_XMAC: /* handled by MSTAT */
 405                default:
 406                        mac_addr = port ? GRCBASE_MSTAT1 : GRCBASE_MSTAT0;
 407                        tx_src_addr_lo = (mac_addr +
 408                                          MSTAT_REG_TX_STAT_GTXPOK_LO) >> 2;
 409                        rx_src_addr_lo = (mac_addr +
 410                                          MSTAT_REG_RX_STAT_GR64_LO) >> 2;
 411                        tx_len = sizeof(bp->slowpath->
 412                                        mac_stats.mstat_stats.stats_tx) >> 2;
 413                        rx_len = sizeof(bp->slowpath->
 414                                        mac_stats.mstat_stats.stats_rx) >> 2;
 415                        break;
 416                }
 417
 418                /* TX stats */
 419                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 420                dmae->opcode = opcode;
 421                dmae->src_addr_lo = tx_src_addr_lo;
 422                dmae->src_addr_hi = 0;
 423                dmae->len = tx_len;
 424                dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 425                dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 426                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 427                dmae->comp_addr_hi = 0;
 428                dmae->comp_val = 1;
 429
 430                /* RX stats */
 431                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 432                dmae->opcode = opcode;
 433                dmae->src_addr_hi = 0;
 434                dmae->src_addr_lo = rx_src_addr_lo;
 435                dmae->dst_addr_lo =
 436                        U64_LO(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 437                dmae->dst_addr_hi =
 438                        U64_HI(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 439                dmae->len = rx_len;
 440                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 441                dmae->comp_addr_hi = 0;
 442                dmae->comp_val = 1;
 443        }
 444
 445        /* NIG */
 446        if (!CHIP_IS_E3(bp)) {
 447                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 448                dmae->opcode = opcode;
 449                dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
 450                                            NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
 451                dmae->src_addr_hi = 0;
 452                dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 453                                offsetof(struct nig_stats, egress_mac_pkt0_lo));
 454                dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 455                                offsetof(struct nig_stats, egress_mac_pkt0_lo));
 456                dmae->len = (2*sizeof(uint32_t)) >> 2;
 457                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 458                dmae->comp_addr_hi = 0;
 459                dmae->comp_val = 1;
 460
 461                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 462                dmae->opcode = opcode;
 463                dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
 464                                            NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
 465                dmae->src_addr_hi = 0;
 466                dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 467                                offsetof(struct nig_stats, egress_mac_pkt1_lo));
 468                dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 469                                offsetof(struct nig_stats, egress_mac_pkt1_lo));
 470                dmae->len = (2*sizeof(uint32_t)) >> 2;
 471                dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 472                dmae->comp_addr_hi = 0;
 473                dmae->comp_val = 1;
 474        }
 475
 476        dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 477        dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 478                                                 true, DMAE_COMP_PCI);
 479        dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
 480                                    NIG_REG_STAT0_BRB_DISCARD) >> 2;
 481        dmae->src_addr_hi = 0;
 482        dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
 483        dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
 484        dmae->len = (sizeof(struct nig_stats) - 4*sizeof(uint32_t)) >> 2;
 485
 486        dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 487        dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 488        dmae->comp_val = DMAE_COMP_VAL;
 489
 490        *stats_comp = 0;
 491}
 492
 493static void bnx2x_func_stats_init(struct bnx2x *bp)
 494{
 495        struct dmae_command *dmae = &bp->stats_dmae;
 496        uint32_t *stats_comp = bnx2x_sp(bp, stats_comp);
 497
 498        /* sanity */
 499        if (!bp->func_stx) {
 500                BNX2X_ERR("BUG!\n");
 501                return;
 502        }
 503
 504        bp->executer_idx = 0;
 505        memset(dmae, 0, sizeof(struct dmae_command));
 506
 507        dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 508                                         true, DMAE_COMP_PCI);
 509        dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 510        dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 511        dmae->dst_addr_lo = bp->func_stx >> 2;
 512        dmae->dst_addr_hi = 0;
 513        dmae->len = sizeof(struct host_func_stats) >> 2;
 514        dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 515        dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 516        dmae->comp_val = DMAE_COMP_VAL;
 517
 518        *stats_comp = 0;
 519}
 520
 521/* should be called under stats_sema */
 522static void __bnx2x_stats_start(struct bnx2x *bp)
 523{
 524        if (IS_PF(bp)) {
 525                if (bp->port.pmf)
 526                        bnx2x_port_stats_init(bp);
 527
 528                else if (bp->func_stx)
 529                        bnx2x_func_stats_init(bp);
 530
 531                bnx2x_hw_stats_post(bp);
 532                bnx2x_storm_stats_post(bp);
 533        }
 534
 535        bp->stats_started = true;
 536}
 537
 538static void bnx2x_stats_start(struct bnx2x *bp)
 539{
 540        if (down_timeout(&bp->stats_sema, HZ/10))
 541                BNX2X_ERR("Unable to acquire stats lock\n");
 542        __bnx2x_stats_start(bp);
 543        up(&bp->stats_sema);
 544}
 545
 546static void bnx2x_stats_pmf_start(struct bnx2x *bp)
 547{
 548        if (down_timeout(&bp->stats_sema, HZ/10))
 549                BNX2X_ERR("Unable to acquire stats lock\n");
 550        bnx2x_stats_comp(bp);
 551        __bnx2x_stats_pmf_update(bp);
 552        __bnx2x_stats_start(bp);
 553        up(&bp->stats_sema);
 554}
 555
 556static void bnx2x_stats_pmf_update(struct bnx2x *bp)
 557{
 558        if (down_timeout(&bp->stats_sema, HZ/10))
 559                BNX2X_ERR("Unable to acquire stats lock\n");
 560        __bnx2x_stats_pmf_update(bp);
 561        up(&bp->stats_sema);
 562}
 563
 564static void bnx2x_stats_restart(struct bnx2x *bp)
 565{
 566        /* vfs travel through here as part of the statistics FSM, but no action
 567         * is required
 568         */
 569        if (IS_VF(bp))
 570                return;
 571        if (down_timeout(&bp->stats_sema, HZ/10))
 572                BNX2X_ERR("Unable to acquire stats lock\n");
 573        bnx2x_stats_comp(bp);
 574        __bnx2x_stats_start(bp);
 575        up(&bp->stats_sema);
 576}
 577
 578static void bnx2x_bmac_stats_update(struct bnx2x *bp)
 579{
 580        struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 581        struct bnx2x_eth_stats *estats = &bp->eth_stats;
 582        struct {
 583                uint32_t lo;
 584                uint32_t hi;
 585        } diff;
 586
 587        if (CHIP_IS_E1x(bp)) {
 588                struct bmac1_stats *new = bnx2x_sp(bp, mac_stats.bmac1_stats);
 589
 590                /* the macros below will use "bmac1_stats" type */
 591                UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 592                UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 593                UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 594                UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 595                UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 596                UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 597                UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 598                UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 599                UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 600
 601                UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 602                UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 603                UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 604                UPDATE_STAT64(tx_stat_gt127,
 605                                tx_stat_etherstatspkts65octetsto127octets);
 606                UPDATE_STAT64(tx_stat_gt255,
 607                                tx_stat_etherstatspkts128octetsto255octets);
 608                UPDATE_STAT64(tx_stat_gt511,
 609                                tx_stat_etherstatspkts256octetsto511octets);
 610                UPDATE_STAT64(tx_stat_gt1023,
 611                                tx_stat_etherstatspkts512octetsto1023octets);
 612                UPDATE_STAT64(tx_stat_gt1518,
 613                                tx_stat_etherstatspkts1024octetsto1522octets);
 614                UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 615                UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 616                UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 617                UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 618                UPDATE_STAT64(tx_stat_gterr,
 619                                tx_stat_dot3statsinternalmactransmiterrors);
 620                UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 621
 622        } else {
 623                struct bmac2_stats *new = bnx2x_sp(bp, mac_stats.bmac2_stats);
 624
 625                /* the macros below will use "bmac2_stats" type */
 626                UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 627                UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 628                UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 629                UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 630                UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 631                UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 632                UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 633                UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 634                UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 635                UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 636                UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 637                UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 638                UPDATE_STAT64(tx_stat_gt127,
 639                                tx_stat_etherstatspkts65octetsto127octets);
 640                UPDATE_STAT64(tx_stat_gt255,
 641                                tx_stat_etherstatspkts128octetsto255octets);
 642                UPDATE_STAT64(tx_stat_gt511,
 643                                tx_stat_etherstatspkts256octetsto511octets);
 644                UPDATE_STAT64(tx_stat_gt1023,
 645                                tx_stat_etherstatspkts512octetsto1023octets);
 646                UPDATE_STAT64(tx_stat_gt1518,
 647                                tx_stat_etherstatspkts1024octetsto1522octets);
 648                UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 649                UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 650                UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 651                UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 652                UPDATE_STAT64(tx_stat_gterr,
 653                                tx_stat_dot3statsinternalmactransmiterrors);
 654                UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 655
 656                /* collect PFC stats */
 657                pstats->pfc_frames_tx_hi = new->tx_stat_gtpp_hi;
 658                pstats->pfc_frames_tx_lo = new->tx_stat_gtpp_lo;
 659
 660                pstats->pfc_frames_rx_hi = new->rx_stat_grpp_hi;
 661                pstats->pfc_frames_rx_lo = new->rx_stat_grpp_lo;
 662        }
 663
 664        estats->pause_frames_received_hi =
 665                                pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 666        estats->pause_frames_received_lo =
 667                                pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 668
 669        estats->pause_frames_sent_hi =
 670                                pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 671        estats->pause_frames_sent_lo =
 672                                pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 673
 674        estats->pfc_frames_received_hi =
 675                                pstats->pfc_frames_rx_hi;
 676        estats->pfc_frames_received_lo =
 677                                pstats->pfc_frames_rx_lo;
 678        estats->pfc_frames_sent_hi =
 679                                pstats->pfc_frames_tx_hi;
 680        estats->pfc_frames_sent_lo =
 681                                pstats->pfc_frames_tx_lo;
 682}
 683
 684static void bnx2x_mstat_stats_update(struct bnx2x *bp)
 685{
 686        struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 687        struct bnx2x_eth_stats *estats = &bp->eth_stats;
 688
 689        struct mstat_stats *new = bnx2x_sp(bp, mac_stats.mstat_stats);
 690
 691        ADD_STAT64(stats_rx.rx_grerb, rx_stat_ifhcinbadoctets);
 692        ADD_STAT64(stats_rx.rx_grfcs, rx_stat_dot3statsfcserrors);
 693        ADD_STAT64(stats_rx.rx_grund, rx_stat_etherstatsundersizepkts);
 694        ADD_STAT64(stats_rx.rx_grovr, rx_stat_dot3statsframestoolong);
 695        ADD_STAT64(stats_rx.rx_grfrg, rx_stat_etherstatsfragments);
 696        ADD_STAT64(stats_rx.rx_grxcf, rx_stat_maccontrolframesreceived);
 697        ADD_STAT64(stats_rx.rx_grxpf, rx_stat_xoffstateentered);
 698        ADD_STAT64(stats_rx.rx_grxpf, rx_stat_mac_xpf);
 699        ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_outxoffsent);
 700        ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_flowcontroldone);
 701
 702        /* collect pfc stats */
 703        ADD_64(pstats->pfc_frames_tx_hi, new->stats_tx.tx_gtxpp_hi,
 704                pstats->pfc_frames_tx_lo, new->stats_tx.tx_gtxpp_lo);
 705        ADD_64(pstats->pfc_frames_rx_hi, new->stats_rx.rx_grxpp_hi,
 706                pstats->pfc_frames_rx_lo, new->stats_rx.rx_grxpp_lo);
 707
 708        ADD_STAT64(stats_tx.tx_gt64, tx_stat_etherstatspkts64octets);
 709        ADD_STAT64(stats_tx.tx_gt127,
 710                        tx_stat_etherstatspkts65octetsto127octets);
 711        ADD_STAT64(stats_tx.tx_gt255,
 712                        tx_stat_etherstatspkts128octetsto255octets);
 713        ADD_STAT64(stats_tx.tx_gt511,
 714                        tx_stat_etherstatspkts256octetsto511octets);
 715        ADD_STAT64(stats_tx.tx_gt1023,
 716                        tx_stat_etherstatspkts512octetsto1023octets);
 717        ADD_STAT64(stats_tx.tx_gt1518,
 718                        tx_stat_etherstatspkts1024octetsto1522octets);
 719        ADD_STAT64(stats_tx.tx_gt2047, tx_stat_mac_2047);
 720
 721        ADD_STAT64(stats_tx.tx_gt4095, tx_stat_mac_4095);
 722        ADD_STAT64(stats_tx.tx_gt9216, tx_stat_mac_9216);
 723        ADD_STAT64(stats_tx.tx_gt16383, tx_stat_mac_16383);
 724
 725        ADD_STAT64(stats_tx.tx_gterr,
 726                        tx_stat_dot3statsinternalmactransmiterrors);
 727        ADD_STAT64(stats_tx.tx_gtufl, tx_stat_mac_ufl);
 728
 729        estats->etherstatspkts1024octetsto1522octets_hi =
 730            pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_hi;
 731        estats->etherstatspkts1024octetsto1522octets_lo =
 732            pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_lo;
 733
 734        estats->etherstatspktsover1522octets_hi =
 735            pstats->mac_stx[1].tx_stat_mac_2047_hi;
 736        estats->etherstatspktsover1522octets_lo =
 737            pstats->mac_stx[1].tx_stat_mac_2047_lo;
 738
 739        ADD_64(estats->etherstatspktsover1522octets_hi,
 740               pstats->mac_stx[1].tx_stat_mac_4095_hi,
 741               estats->etherstatspktsover1522octets_lo,
 742               pstats->mac_stx[1].tx_stat_mac_4095_lo);
 743
 744        ADD_64(estats->etherstatspktsover1522octets_hi,
 745               pstats->mac_stx[1].tx_stat_mac_9216_hi,
 746               estats->etherstatspktsover1522octets_lo,
 747               pstats->mac_stx[1].tx_stat_mac_9216_lo);
 748
 749        ADD_64(estats->etherstatspktsover1522octets_hi,
 750               pstats->mac_stx[1].tx_stat_mac_16383_hi,
 751               estats->etherstatspktsover1522octets_lo,
 752               pstats->mac_stx[1].tx_stat_mac_16383_lo);
 753
 754        estats->pause_frames_received_hi =
 755                                pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 756        estats->pause_frames_received_lo =
 757                                pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 758
 759        estats->pause_frames_sent_hi =
 760                                pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 761        estats->pause_frames_sent_lo =
 762                                pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 763
 764        estats->pfc_frames_received_hi =
 765                                pstats->pfc_frames_rx_hi;
 766        estats->pfc_frames_received_lo =
 767                                pstats->pfc_frames_rx_lo;
 768        estats->pfc_frames_sent_hi =
 769                                pstats->pfc_frames_tx_hi;
 770        estats->pfc_frames_sent_lo =
 771                                pstats->pfc_frames_tx_lo;
 772}
 773
 774static void bnx2x_emac_stats_update(struct bnx2x *bp)
 775{
 776        struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
 777        struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 778        struct bnx2x_eth_stats *estats = &bp->eth_stats;
 779
 780        UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
 781        UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
 782        UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
 783        UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
 784        UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
 785        UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
 786        UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
 787        UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
 788        UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
 789        UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
 790        UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
 791        UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
 792        UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
 793        UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
 794        UPDATE_EXTEND_STAT(tx_stat_outxonsent);
 795        UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
 796        UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
 797        UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
 798        UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
 799        UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
 800        UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
 801        UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
 802        UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
 803        UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
 804        UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
 805        UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
 806        UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
 807        UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
 808        UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
 809        UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
 810        UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
 811
 812        estats->pause_frames_received_hi =
 813                        pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi;
 814        estats->pause_frames_received_lo =
 815                        pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo;
 816        ADD_64(estats->pause_frames_received_hi,
 817               pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi,
 818               estats->pause_frames_received_lo,
 819               pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo);
 820
 821        estats->pause_frames_sent_hi =
 822                        pstats->mac_stx[1].tx_stat_outxonsent_hi;
 823        estats->pause_frames_sent_lo =
 824                        pstats->mac_stx[1].tx_stat_outxonsent_lo;
 825        ADD_64(estats->pause_frames_sent_hi,
 826               pstats->mac_stx[1].tx_stat_outxoffsent_hi,
 827               estats->pause_frames_sent_lo,
 828               pstats->mac_stx[1].tx_stat_outxoffsent_lo);
 829}
 830
 831static int bnx2x_hw_stats_update(struct bnx2x *bp)
 832{
 833        struct nig_stats *new = bnx2x_sp(bp, nig_stats);
 834        struct nig_stats *old = &(bp->port.old_nig_stats);
 835        struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 836        struct bnx2x_eth_stats *estats = &bp->eth_stats;
 837        struct {
 838                uint32_t lo;
 839                uint32_t hi;
 840        } diff;
 841
 842        switch (bp->link_vars.mac_type) {
 843        case MAC_TYPE_BMAC:
 844                bnx2x_bmac_stats_update(bp);
 845                break;
 846
 847        case MAC_TYPE_EMAC:
 848                bnx2x_emac_stats_update(bp);
 849                break;
 850
 851        case MAC_TYPE_UMAC:
 852        case MAC_TYPE_XMAC:
 853                bnx2x_mstat_stats_update(bp);
 854                break;
 855
 856        case MAC_TYPE_NONE: /* unreached */
 857                DP(BNX2X_MSG_STATS,
 858                   "stats updated by DMAE but no MAC active\n");
 859                return -1;
 860
 861        default: /* unreached */
 862                BNX2X_ERR("Unknown MAC type\n");
 863        }
 864
 865        ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
 866                      new->brb_discard - old->brb_discard);
 867        ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
 868                      new->brb_truncate - old->brb_truncate);
 869
 870        if (!CHIP_IS_E3(bp)) {
 871                UPDATE_STAT64_NIG(egress_mac_pkt0,
 872                                        etherstatspkts1024octetsto1522octets);
 873                UPDATE_STAT64_NIG(egress_mac_pkt1,
 874                                        etherstatspktsover1522octets);
 875        }
 876
 877        memcpy(old, new, sizeof(struct nig_stats));
 878
 879        memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
 880               sizeof(struct mac_stx));
 881        estats->brb_drop_hi = pstats->brb_drop_hi;
 882        estats->brb_drop_lo = pstats->brb_drop_lo;
 883
 884        pstats->host_port_stats_counter++;
 885
 886        if (CHIP_IS_E3(bp)) {
 887                uint32_t lpi_reg = BP_PORT(bp) ? MISC_REG_CPMU_LP_SM_ENT_CNT_P1
 888                                          : MISC_REG_CPMU_LP_SM_ENT_CNT_P0;
 889                estats->eee_tx_lpi += REG_RD(bp, lpi_reg);
 890        }
 891
 892        if (!BP_NOMCP(bp)) {
 893                uint32_t nig_timer_max =
 894                        SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer);
 895                if (nig_timer_max != estats->nig_timer_max) {
 896                        estats->nig_timer_max = nig_timer_max;
 897                        BNX2X_ERR("NIG timer max (%u)\n",
 898                                  estats->nig_timer_max);
 899                }
 900        }
 901
 902        return 0;
 903}
 904
 905static int bnx2x_storm_stats_validate_counters(struct bnx2x *bp)
 906{
 907        struct stats_counter *counters = &bp->fw_stats_data->storm_counters;
 908        uint16_t cur_stats_counter;
 909        /* Make sure we use the value of the counter
 910         * used for sending the last stats ramrod.
 911         */
 912        cur_stats_counter = bp->stats_counter - 1;
 913
 914        /* are storm stats valid? */
 915        if (le16_to_cpu(counters->xstats_counter) != cur_stats_counter) {
 916                DP(BNX2X_MSG_STATS,
 917                   "stats not updated by xstorm  xstorm counter (0x%x) != stats_counter (0x%x)\n",
 918                   le16_to_cpu(counters->xstats_counter), bp->stats_counter);
 919                return -EAGAIN;
 920        }
 921
 922        if (le16_to_cpu(counters->ustats_counter) != cur_stats_counter) {
 923                DP(BNX2X_MSG_STATS,
 924                   "stats not updated by ustorm  ustorm counter (0x%x) != stats_counter (0x%x)\n",
 925                   le16_to_cpu(counters->ustats_counter), bp->stats_counter);
 926                return -EAGAIN;
 927        }
 928
 929        if (le16_to_cpu(counters->cstats_counter) != cur_stats_counter) {
 930                DP(BNX2X_MSG_STATS,
 931                   "stats not updated by cstorm  cstorm counter (0x%x) != stats_counter (0x%x)\n",
 932                   le16_to_cpu(counters->cstats_counter), bp->stats_counter);
 933                return -EAGAIN;
 934        }
 935
 936        if (le16_to_cpu(counters->tstats_counter) != cur_stats_counter) {
 937                DP(BNX2X_MSG_STATS,
 938                   "stats not updated by tstorm  tstorm counter (0x%x) != stats_counter (0x%x)\n",
 939                   le16_to_cpu(counters->tstats_counter), bp->stats_counter);
 940                return -EAGAIN;
 941        }
 942        return 0;
 943}
 944
 945static int bnx2x_storm_stats_update(struct bnx2x *bp)
 946{
 947        struct tstorm_per_port_stats *tport =
 948                                &bp->fw_stats_data->port.tstorm_port_statistics;
 949        struct tstorm_per_pf_stats *tfunc =
 950                                &bp->fw_stats_data->pf.tstorm_pf_statistics;
 951        struct host_func_stats *fstats = &bp->func_stats;
 952        struct bnx2x_eth_stats *estats = &bp->eth_stats;
 953        struct bnx2x_eth_stats_old *estats_old = &bp->eth_stats_old;
 954        int i;
 955
 956        /* vfs stat counter is managed by pf */
 957        if (IS_PF(bp) && bnx2x_storm_stats_validate_counters(bp))
 958                return -EAGAIN;
 959
 960        estats->error_bytes_received_hi = 0;
 961        estats->error_bytes_received_lo = 0;
 962
 963        for_each_eth_queue(bp, i) {
 964                struct bnx2x_fastpath *fp = &bp->fp[i];
 965                struct tstorm_per_queue_stats *tclient =
 966                        &bp->fw_stats_data->queue_stats[i].
 967                        tstorm_queue_statistics;
 968                struct tstorm_per_queue_stats *old_tclient =
 969                        &bnx2x_fp_stats(bp, fp)->old_tclient;
 970                struct ustorm_per_queue_stats *uclient =
 971                        &bp->fw_stats_data->queue_stats[i].
 972                        ustorm_queue_statistics;
 973                struct ustorm_per_queue_stats *old_uclient =
 974                        &bnx2x_fp_stats(bp, fp)->old_uclient;
 975                struct xstorm_per_queue_stats *xclient =
 976                        &bp->fw_stats_data->queue_stats[i].
 977                        xstorm_queue_statistics;
 978                struct xstorm_per_queue_stats *old_xclient =
 979                        &bnx2x_fp_stats(bp, fp)->old_xclient;
 980                struct bnx2x_eth_q_stats *qstats =
 981                        &bnx2x_fp_stats(bp, fp)->eth_q_stats;
 982                struct bnx2x_eth_q_stats_old *qstats_old =
 983                        &bnx2x_fp_stats(bp, fp)->eth_q_stats_old;
 984
 985                uint32_t diff;
 986
 987                DP(BNX2X_MSG_STATS, "queue[%d]: ucast_sent 0x%x, bcast_sent 0x%x mcast_sent 0x%x\n",
 988                   i, xclient->ucast_pkts_sent,
 989                   xclient->bcast_pkts_sent, xclient->mcast_pkts_sent);
 990
 991                DP(BNX2X_MSG_STATS, "---------------\n");
 992
 993                UPDATE_QSTAT(tclient->rcv_bcast_bytes,
 994                             total_broadcast_bytes_received);
 995                UPDATE_QSTAT(tclient->rcv_mcast_bytes,
 996                             total_multicast_bytes_received);
 997                UPDATE_QSTAT(tclient->rcv_ucast_bytes,
 998                             total_unicast_bytes_received);
 999
1000                /*
1001                 * sum to total_bytes_received all
1002                 * unicast/multicast/broadcast
1003                 */
1004                qstats->total_bytes_received_hi =
1005                        qstats->total_broadcast_bytes_received_hi;
1006                qstats->total_bytes_received_lo =
1007                        qstats->total_broadcast_bytes_received_lo;
1008
1009                ADD_64(qstats->total_bytes_received_hi,
1010                       qstats->total_multicast_bytes_received_hi,
1011                       qstats->total_bytes_received_lo,
1012                       qstats->total_multicast_bytes_received_lo);
1013
1014                ADD_64(qstats->total_bytes_received_hi,
1015                       qstats->total_unicast_bytes_received_hi,
1016                       qstats->total_bytes_received_lo,
1017                       qstats->total_unicast_bytes_received_lo);
1018
1019                qstats->valid_bytes_received_hi =
1020                                        qstats->total_bytes_received_hi;
1021                qstats->valid_bytes_received_lo =
1022                                        qstats->total_bytes_received_lo;
1023
1024                UPDATE_EXTEND_TSTAT(rcv_ucast_pkts,
1025                                        total_unicast_packets_received);
1026                UPDATE_EXTEND_TSTAT(rcv_mcast_pkts,
1027                                        total_multicast_packets_received);
1028                UPDATE_EXTEND_TSTAT(rcv_bcast_pkts,
1029                                        total_broadcast_packets_received);
1030                UPDATE_EXTEND_E_TSTAT(pkts_too_big_discard,
1031                                      etherstatsoverrsizepkts, 32);
1032                UPDATE_EXTEND_E_TSTAT(no_buff_discard, no_buff_discard, 16);
1033
1034                SUB_EXTEND_USTAT(ucast_no_buff_pkts,
1035                                        total_unicast_packets_received);
1036                SUB_EXTEND_USTAT(mcast_no_buff_pkts,
1037                                        total_multicast_packets_received);
1038                SUB_EXTEND_USTAT(bcast_no_buff_pkts,
1039                                        total_broadcast_packets_received);
1040                UPDATE_EXTEND_E_USTAT(ucast_no_buff_pkts, no_buff_discard);
1041                UPDATE_EXTEND_E_USTAT(mcast_no_buff_pkts, no_buff_discard);
1042                UPDATE_EXTEND_E_USTAT(bcast_no_buff_pkts, no_buff_discard);
1043
1044                UPDATE_QSTAT(xclient->bcast_bytes_sent,
1045                             total_broadcast_bytes_transmitted);
1046                UPDATE_QSTAT(xclient->mcast_bytes_sent,
1047                             total_multicast_bytes_transmitted);
1048                UPDATE_QSTAT(xclient->ucast_bytes_sent,
1049                             total_unicast_bytes_transmitted);
1050
1051                /*
1052                 * sum to total_bytes_transmitted all
1053                 * unicast/multicast/broadcast
1054                 */
1055                qstats->total_bytes_transmitted_hi =
1056                                qstats->total_unicast_bytes_transmitted_hi;
1057                qstats->total_bytes_transmitted_lo =
1058                                qstats->total_unicast_bytes_transmitted_lo;
1059
1060                ADD_64(qstats->total_bytes_transmitted_hi,
1061                       qstats->total_broadcast_bytes_transmitted_hi,
1062                       qstats->total_bytes_transmitted_lo,
1063                       qstats->total_broadcast_bytes_transmitted_lo);
1064
1065                ADD_64(qstats->total_bytes_transmitted_hi,
1066                       qstats->total_multicast_bytes_transmitted_hi,
1067                       qstats->total_bytes_transmitted_lo,
1068                       qstats->total_multicast_bytes_transmitted_lo);
1069
1070                UPDATE_EXTEND_XSTAT(ucast_pkts_sent,
1071                                        total_unicast_packets_transmitted);
1072                UPDATE_EXTEND_XSTAT(mcast_pkts_sent,
1073                                        total_multicast_packets_transmitted);
1074                UPDATE_EXTEND_XSTAT(bcast_pkts_sent,
1075                                        total_broadcast_packets_transmitted);
1076
1077                UPDATE_EXTEND_TSTAT(checksum_discard,
1078                                    total_packets_received_checksum_discarded);
1079                UPDATE_EXTEND_TSTAT(ttl0_discard,
1080                                    total_packets_received_ttl0_discarded);
1081
1082                UPDATE_EXTEND_XSTAT(error_drop_pkts,
1083                                    total_transmitted_dropped_packets_error);
1084
1085                /* TPA aggregations completed */
1086                UPDATE_EXTEND_E_USTAT(coalesced_events, total_tpa_aggregations);
1087                /* Number of network frames aggregated by TPA */
1088                UPDATE_EXTEND_E_USTAT(coalesced_pkts,
1089                                      total_tpa_aggregated_frames);
1090                /* Total number of bytes in completed TPA aggregations */
1091                UPDATE_QSTAT(uclient->coalesced_bytes, total_tpa_bytes);
1092
1093                UPDATE_ESTAT_QSTAT_64(total_tpa_bytes);
1094
1095                UPDATE_FSTAT_QSTAT(total_bytes_received);
1096                UPDATE_FSTAT_QSTAT(total_bytes_transmitted);
1097                UPDATE_FSTAT_QSTAT(total_unicast_packets_received);
1098                UPDATE_FSTAT_QSTAT(total_multicast_packets_received);
1099                UPDATE_FSTAT_QSTAT(total_broadcast_packets_received);
1100                UPDATE_FSTAT_QSTAT(total_unicast_packets_transmitted);
1101                UPDATE_FSTAT_QSTAT(total_multicast_packets_transmitted);
1102                UPDATE_FSTAT_QSTAT(total_broadcast_packets_transmitted);
1103                UPDATE_FSTAT_QSTAT(valid_bytes_received);
1104        }
1105
1106        ADD_64(estats->total_bytes_received_hi,
1107               estats->rx_stat_ifhcinbadoctets_hi,
1108               estats->total_bytes_received_lo,
1109               estats->rx_stat_ifhcinbadoctets_lo);
1110
1111        ADD_64_LE(estats->total_bytes_received_hi,
1112                  tfunc->rcv_error_bytes.hi,
1113                  estats->total_bytes_received_lo,
1114                  tfunc->rcv_error_bytes.lo);
1115
1116        ADD_64_LE(estats->error_bytes_received_hi,
1117                  tfunc->rcv_error_bytes.hi,
1118                  estats->error_bytes_received_lo,
1119                  tfunc->rcv_error_bytes.lo);
1120
1121        UPDATE_ESTAT(etherstatsoverrsizepkts, rx_stat_dot3statsframestoolong);
1122
1123        ADD_64(estats->error_bytes_received_hi,
1124               estats->rx_stat_ifhcinbadoctets_hi,
1125               estats->error_bytes_received_lo,
1126               estats->rx_stat_ifhcinbadoctets_lo);
1127
1128        if (bp->port.pmf) {
1129                struct bnx2x_fw_port_stats_old *fwstats = &bp->fw_stats_old;
1130                UPDATE_FW_STAT(mac_filter_discard);
1131                UPDATE_FW_STAT(mf_tag_discard);
1132                UPDATE_FW_STAT(brb_truncate_discard);
1133                UPDATE_FW_STAT(mac_discard);
1134        }
1135
1136        fstats->host_func_stats_start = ++fstats->host_func_stats_end;
1137
1138        bp->stats_pending = 0;
1139
1140        return 0;
1141}
1142
1143static void bnx2x_net_stats_update(struct bnx2x *bp)
1144{
1145        struct bnx2x_eth_stats *estats = &bp->eth_stats;
1146        struct netif_stats *nstats = &bp->dev->stats;
1147        unsigned long tmp;
1148        int i;
1149
1150        nstats->rx_packets =
1151                bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
1152                bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
1153                bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
1154
1155        nstats->tx_packets =
1156                bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
1157                bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
1158                bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
1159
1160        nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi);
1161
1162        nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
1163
1164        tmp = estats->mac_discard;
1165        for_each_rx_queue(bp, i) {
1166                struct tstorm_per_queue_stats *old_tclient =
1167                        &bp->fp_stats[i].old_tclient;
1168                tmp += le32_to_cpu(old_tclient->checksum_discard);
1169        }
1170        nstats->rx_dropped = tmp + bp->net_stats_old.rx_dropped;
1171
1172        nstats->tx_dropped = 0;
1173
1174        nstats->multicast =
1175                bnx2x_hilo(&estats->total_multicast_packets_received_hi);
1176
1177        nstats->collisions =
1178                bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi);
1179
1180        nstats->rx_length_errors =
1181                bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) +
1182                bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi);
1183        nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) +
1184                                 bnx2x_hilo(&estats->brb_truncate_hi);
1185        nstats->rx_crc_errors =
1186                bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi);
1187        nstats->rx_frame_errors =
1188                bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi);
1189        nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi);
1190        nstats->rx_missed_errors = 0;
1191
1192        nstats->rx_errors = nstats->rx_length_errors +
1193                            nstats->rx_over_errors +
1194                            nstats->rx_crc_errors +
1195                            nstats->rx_frame_errors +
1196                            nstats->rx_fifo_errors +
1197                            nstats->rx_missed_errors;
1198
1199        nstats->tx_aborted_errors =
1200                bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) +
1201                bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi);
1202        nstats->tx_carrier_errors =
1203                bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi);
1204        nstats->tx_fifo_errors = 0;
1205        nstats->tx_heartbeat_errors = 0;
1206        nstats->tx_window_errors = 0;
1207
1208        nstats->tx_errors = nstats->tx_aborted_errors +
1209                            nstats->tx_carrier_errors +
1210            bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi);
1211}
1212
1213static void bnx2x_drv_stats_update(struct bnx2x *bp)
1214{
1215        struct bnx2x_eth_stats *estats = &bp->eth_stats;
1216        int i;
1217
1218        for_each_queue(bp, i) {
1219                struct bnx2x_eth_q_stats *qstats = &bp->fp_stats[i].eth_q_stats;
1220                struct bnx2x_eth_q_stats_old *qstats_old =
1221                        &bp->fp_stats[i].eth_q_stats_old;
1222
1223                UPDATE_ESTAT_QSTAT(driver_xoff);
1224                UPDATE_ESTAT_QSTAT(rx_err_discard_pkt);
1225                UPDATE_ESTAT_QSTAT(rx_skb_alloc_failed);
1226                UPDATE_ESTAT_QSTAT(hw_csum_err);
1227                UPDATE_ESTAT_QSTAT(driver_filtered_tx_pkt);
1228        }
1229}
1230
1231static bool bnx2x_edebug_stats_stopped(struct bnx2x *bp)
1232{
1233        uint32_t val;
1234
1235        if (SHMEM2_HAS(bp, edebug_driver_if[1])) {
1236                val = SHMEM2_RD(bp, edebug_driver_if[1]);
1237
1238                if (val == EDEBUG_DRIVER_IF_OP_CODE_DISABLE_STAT)
1239                        return true;
1240        }
1241
1242        return false;
1243}
1244
1245static void bnx2x_stats_update(struct bnx2x *bp)
1246{
1247        uint32_t *stats_comp = bnx2x_sp(bp, stats_comp);
1248
1249        /* we run update from timer context, so give up
1250         * if somebody is in the middle of transition
1251         */
1252        if (down_trylock(&bp->stats_sema))
1253                return;
1254
1255        if (bnx2x_edebug_stats_stopped(bp) || !bp->stats_started)
1256                goto out;
1257
1258        if (IS_PF(bp)) {
1259                if (*stats_comp != DMAE_COMP_VAL)
1260                        goto out;
1261
1262                if (bp->port.pmf)
1263                        bnx2x_hw_stats_update(bp);
1264
1265                if (bnx2x_storm_stats_update(bp)) {
1266                        if (bp->stats_pending++ == 3) {
1267                                BNX2X_ERR("storm stats were not updated for 3 times\n");
1268                                bnx2x_panic();
1269                        }
1270                        goto out;
1271                }
1272        } else {
1273                /* vf doesn't collect HW statistics, and doesn't get completions
1274                 * perform only update
1275                 */
1276                bnx2x_storm_stats_update(bp);
1277        }
1278
1279        bnx2x_net_stats_update(bp);
1280        bnx2x_drv_stats_update(bp);
1281
1282        /* vf is done */
1283        if (IS_VF(bp))
1284                goto out;
1285
1286        if (netif_msg_timer(bp)) {
1287                struct bnx2x_eth_stats *estats = &bp->eth_stats;
1288
1289                netdev_dbg(bp->dev, "brb drops %u  brb truncate %u\n",
1290                       estats->brb_drop_lo, estats->brb_truncate_lo);
1291        }
1292
1293        bnx2x_hw_stats_post(bp);
1294        bnx2x_storm_stats_post(bp);
1295
1296out:
1297        up(&bp->stats_sema);
1298}
1299
1300static void bnx2x_port_stats_stop(struct bnx2x *bp)
1301{
1302        struct dmae_command *dmae;
1303        uint32_t opcode;
1304        int loader_idx = PMF_DMAE_C(bp);
1305        uint32_t *stats_comp = bnx2x_sp(bp, stats_comp);
1306
1307        bp->executer_idx = 0;
1308
1309        opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC, false, 0);
1310
1311        if (bp->port.port_stx) {
1312
1313                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1314                if (bp->func_stx)
1315                        dmae->opcode = bnx2x_dmae_opcode_add_comp(
1316                                                opcode, DMAE_COMP_GRC);
1317                else
1318                        dmae->opcode = bnx2x_dmae_opcode_add_comp(
1319                                                opcode, DMAE_COMP_PCI);
1320
1321                dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1322                dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1323                dmae->dst_addr_lo = bp->port.port_stx >> 2;
1324                dmae->dst_addr_hi = 0;
1325                dmae->len = bnx2x_get_port_stats_dma_len(bp);
1326                if (bp->func_stx) {
1327                        dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
1328                        dmae->comp_addr_hi = 0;
1329                        dmae->comp_val = 1;
1330                } else {
1331                        dmae->comp_addr_lo =
1332                                U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1333                        dmae->comp_addr_hi =
1334                                U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1335                        dmae->comp_val = DMAE_COMP_VAL;
1336
1337                        *stats_comp = 0;
1338                }
1339        }
1340
1341        if (bp->func_stx) {
1342
1343                dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1344                dmae->opcode =
1345                        bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
1346                dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
1347                dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
1348                dmae->dst_addr_lo = bp->func_stx >> 2;
1349                dmae->dst_addr_hi = 0;
1350                dmae->len = sizeof(struct host_func_stats) >> 2;
1351                dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1352                dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1353                dmae->comp_val = DMAE_COMP_VAL;
1354
1355                *stats_comp = 0;
1356        }
1357}
1358
1359static void bnx2x_stats_stop(struct bnx2x *bp)
1360{
1361        int update = 0;
1362
1363        if (down_timeout(&bp->stats_sema, HZ/10))
1364                BNX2X_ERR("Unable to acquire stats lock\n");
1365
1366        bp->stats_started = false;
1367
1368        bnx2x_stats_comp(bp);
1369
1370        if (bp->port.pmf)
1371                update = (bnx2x_hw_stats_update(bp) == 0);
1372
1373        update |= (bnx2x_storm_stats_update(bp) == 0);
1374
1375        if (update) {
1376                bnx2x_net_stats_update(bp);
1377
1378                if (bp->port.pmf)
1379                        bnx2x_port_stats_stop(bp);
1380
1381                bnx2x_hw_stats_post(bp);
1382                bnx2x_stats_comp(bp);
1383        }
1384
1385        up(&bp->stats_sema);
1386}
1387
1388static void bnx2x_stats_do_nothing(struct bnx2x *bp)
1389{
1390}
1391
1392static const struct {
1393        void (*action)(struct bnx2x *bp);
1394        enum bnx2x_stats_state next_state;
1395} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
1396/* state        event   */
1397{
1398/* DISABLED     PMF     */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
1399/*              LINK_UP */ {bnx2x_stats_start,      STATS_STATE_ENABLED},
1400/*              UPDATE  */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
1401/*              STOP    */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
1402},
1403{
1404/* ENABLED      PMF     */ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
1405/*              LINK_UP */ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
1406/*              UPDATE  */ {bnx2x_stats_update,     STATS_STATE_ENABLED},
1407/*              STOP    */ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
1408}
1409};
1410
1411void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
1412{
1413        enum bnx2x_stats_state state;
1414        void (*action)(struct bnx2x *bp);
1415        if (unlikely(bp->panic))
1416                return;
1417
1418        spin_lock(&bp->stats_lock);
1419        state = bp->stats_state;
1420        bp->stats_state = bnx2x_stats_stm[state][event].next_state;
1421        action = bnx2x_stats_stm[state][event].action;
1422        spin_unlock(&bp->stats_lock);
1423
1424        action(bp);
1425
1426        if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
1427                DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
1428                   state, event, bp->stats_state);
1429}
1430
1431static void bnx2x_port_stats_base_init(struct bnx2x *bp)
1432{
1433        struct dmae_command *dmae;
1434        uint32_t *stats_comp = bnx2x_sp(bp, stats_comp);
1435
1436        /* sanity */
1437        if (!bp->port.pmf || !bp->port.port_stx) {
1438                BNX2X_ERR("BUG!\n");
1439                return;
1440        }
1441
1442        bp->executer_idx = 0;
1443
1444        dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1445        dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
1446                                         true, DMAE_COMP_PCI);
1447        dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1448        dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1449        dmae->dst_addr_lo = bp->port.port_stx >> 2;
1450        dmae->dst_addr_hi = 0;
1451        dmae->len = bnx2x_get_port_stats_dma_len(bp);
1452        dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1453        dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1454        dmae->comp_val = DMAE_COMP_VAL;
1455
1456        *stats_comp = 0;
1457        bnx2x_hw_stats_post(bp);
1458        bnx2x_stats_comp(bp);
1459}
1460
1461/* This function will prepare the statistics ramrod data the way
1462 * we will only have to increment the statistics counter and
1463 * send the ramrod each time we have to.
1464 */
1465static void bnx2x_prep_fw_stats_req(struct bnx2x *bp)
1466{
1467        int i;
1468        int first_queue_query_index;
1469        struct stats_query_header *stats_hdr = &bp->fw_stats_req->hdr;
1470
1471        dma_addr_t cur_data_offset;
1472        struct stats_query_entry *cur_query_entry;
1473
1474        stats_hdr->cmd_num = bp->fw_stats_num;
1475        stats_hdr->drv_stats_counter = 0;
1476
1477        /* storm_counters struct contains the counters of completed
1478         * statistics requests per storm which are incremented by FW
1479         * each time it completes hadning a statistics ramrod. We will
1480         * check these counters in the timer handler and discard a
1481         * (statistics) ramrod completion.
1482         */
1483        cur_data_offset = bp->fw_stats_data_mapping +
1484                offsetof(struct bnx2x_fw_stats_data, storm_counters);
1485
1486        stats_hdr->stats_counters_addrs.hi =
1487                cpu_to_le32(U64_HI(cur_data_offset));
1488        stats_hdr->stats_counters_addrs.lo =
1489                cpu_to_le32(U64_LO(cur_data_offset));
1490
1491        /* prepare to the first stats ramrod (will be completed with
1492         * the counters equal to zero) - init counters to somethig different.
1493         */
1494        memset(&bp->fw_stats_data->storm_counters, 0xff,
1495               sizeof(struct stats_counter));
1496
1497        /**** Port FW statistics data ****/
1498        cur_data_offset = bp->fw_stats_data_mapping +
1499                offsetof(struct bnx2x_fw_stats_data, port);
1500
1501        cur_query_entry = &bp->fw_stats_req->query[BNX2X_PORT_QUERY_IDX];
1502
1503        cur_query_entry->kind = STATS_TYPE_PORT;
1504        /* For port query index is a DONT CARE */
1505        cur_query_entry->index = BP_PORT(bp);
1506        /* For port query funcID is a DONT CARE */
1507        cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1508        cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1509        cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1510
1511        /**** PF FW statistics data ****/
1512        cur_data_offset = bp->fw_stats_data_mapping +
1513                offsetof(struct bnx2x_fw_stats_data, pf);
1514
1515        cur_query_entry = &bp->fw_stats_req->query[BNX2X_PF_QUERY_IDX];
1516
1517        cur_query_entry->kind = STATS_TYPE_PF;
1518        /* For PF query index is a DONT CARE */
1519        cur_query_entry->index = BP_PORT(bp);
1520        cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1521        cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1522        cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1523
1524        /**** FCoE FW statistics data ****/
1525        if (!NO_FCOE(bp)) {
1526                cur_data_offset = bp->fw_stats_data_mapping +
1527                        offsetof(struct bnx2x_fw_stats_data, fcoe);
1528
1529                cur_query_entry =
1530                        &bp->fw_stats_req->query[BNX2X_FCOE_QUERY_IDX];
1531
1532                cur_query_entry->kind = STATS_TYPE_FCOE;
1533                /* For FCoE query index is a DONT CARE */
1534                cur_query_entry->index = BP_PORT(bp);
1535                cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1536                cur_query_entry->address.hi =
1537                        cpu_to_le32(U64_HI(cur_data_offset));
1538                cur_query_entry->address.lo =
1539                        cpu_to_le32(U64_LO(cur_data_offset));
1540        }
1541
1542        /**** Clients' queries ****/
1543        cur_data_offset = bp->fw_stats_data_mapping +
1544                offsetof(struct bnx2x_fw_stats_data, queue_stats);
1545
1546        /* first queue query index depends whether FCoE offloaded request will
1547         * be included in the ramrod
1548         */
1549        if (!NO_FCOE(bp))
1550                first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX;
1551        else
1552                first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - 1;
1553
1554        for_each_eth_queue(bp, i) {
1555                cur_query_entry =
1556                        &bp->fw_stats_req->
1557                                        query[first_queue_query_index + i];
1558
1559                cur_query_entry->kind = STATS_TYPE_QUEUE;
1560                cur_query_entry->index = bnx2x_stats_id(&bp->fp[i]);
1561                cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1562                cur_query_entry->address.hi =
1563                        cpu_to_le32(U64_HI(cur_data_offset));
1564                cur_query_entry->address.lo =
1565                        cpu_to_le32(U64_LO(cur_data_offset));
1566
1567                cur_data_offset += sizeof(struct per_queue_stats);
1568        }
1569
1570        /* add FCoE queue query if needed */
1571        if (!NO_FCOE(bp)) {
1572                cur_query_entry =
1573                        &bp->fw_stats_req->
1574                                        query[first_queue_query_index + i];
1575
1576                cur_query_entry->kind = STATS_TYPE_QUEUE;
1577                cur_query_entry->index = bnx2x_stats_id(&bp->fp[FCOE_IDX(bp)]);
1578                cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1579                cur_query_entry->address.hi =
1580                        cpu_to_le32(U64_HI(cur_data_offset));
1581                cur_query_entry->address.lo =
1582                        cpu_to_le32(U64_LO(cur_data_offset));
1583        }
1584}
1585
1586void bnx2x_memset_stats(struct bnx2x *bp)
1587{
1588        int i;
1589
1590        /* function stats */
1591        for_each_queue(bp, i) {
1592                struct bnx2x_fp_stats *fp_stats = &bp->fp_stats[i];
1593
1594                memset(&fp_stats->old_tclient, 0,
1595                       sizeof(fp_stats->old_tclient));
1596                memset(&fp_stats->old_uclient, 0,
1597                       sizeof(fp_stats->old_uclient));
1598                memset(&fp_stats->old_xclient, 0,
1599                       sizeof(fp_stats->old_xclient));
1600                if (bp->stats_init) {
1601                        memset(&fp_stats->eth_q_stats, 0,
1602                               sizeof(fp_stats->eth_q_stats));
1603                        memset(&fp_stats->eth_q_stats_old, 0,
1604                               sizeof(fp_stats->eth_q_stats_old));
1605                }
1606        }
1607
1608#if 0 // AKAROS_PORT
1609        memset(&bp->dev->stats, 0, sizeof(bp->dev->stats));
1610#endif
1611
1612        if (bp->stats_init) {
1613                memset(&bp->net_stats_old, 0, sizeof(bp->net_stats_old));
1614                memset(&bp->fw_stats_old, 0, sizeof(bp->fw_stats_old));
1615                memset(&bp->eth_stats_old, 0, sizeof(bp->eth_stats_old));
1616                memset(&bp->eth_stats, 0, sizeof(bp->eth_stats));
1617                memset(&bp->func_stats, 0, sizeof(bp->func_stats));
1618        }
1619
1620        bp->stats_state = STATS_STATE_DISABLED;
1621
1622        if (bp->port.pmf && bp->port.port_stx)
1623                bnx2x_port_stats_base_init(bp);
1624
1625        /* mark the end of statistics initializiation */
1626        bp->stats_init = false;
1627}
1628
1629void bnx2x_stats_init(struct bnx2x *bp)
1630{
1631        int /*abs*/port = BP_PORT(bp);
1632        int mb_idx = BP_FW_MB_IDX(bp);
1633
1634        if (IS_VF(bp)) {
1635                bnx2x_memset_stats(bp);
1636                return;
1637        }
1638
1639        bp->stats_pending = 0;
1640        bp->executer_idx = 0;
1641        bp->stats_counter = 0;
1642
1643        /* port and func stats for management */
1644        if (!BP_NOMCP(bp)) {
1645                bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
1646                bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1647
1648        } else {
1649                bp->port.port_stx = 0;
1650                bp->func_stx = 0;
1651        }
1652        DP(BNX2X_MSG_STATS, "port_stx 0x%x  func_stx 0x%x\n",
1653           bp->port.port_stx, bp->func_stx);
1654
1655        /* pmf should retrieve port statistics from SP on a non-init*/
1656        if (!bp->stats_init && bp->port.pmf && bp->port.port_stx)
1657                bnx2x_stats_handle(bp, STATS_EVENT_PMF);
1658
1659        port = BP_PORT(bp);
1660        /* port stats */
1661        memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
1662        bp->port.old_nig_stats.brb_discard =
1663                        REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
1664        bp->port.old_nig_stats.brb_truncate =
1665                        REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
1666        if (!CHIP_IS_E3(bp)) {
1667                REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
1668                            &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
1669                REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
1670                            &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
1671        }
1672
1673        /* Prepare statistics ramrod data */
1674        bnx2x_prep_fw_stats_req(bp);
1675
1676        /* Clean SP from previous statistics */
1677        if (bp->stats_init) {
1678                if (bp->func_stx) {
1679                        memset(bnx2x_sp(bp, func_stats), 0,
1680                               sizeof(struct host_func_stats));
1681                        bnx2x_func_stats_init(bp);
1682                        bnx2x_hw_stats_post(bp);
1683                        bnx2x_stats_comp(bp);
1684                }
1685        }
1686
1687        bnx2x_memset_stats(bp);
1688}
1689
1690void bnx2x_save_statistics(struct bnx2x *bp)
1691{
1692        int i;
1693        struct netif_stats *nstats = &bp->dev->stats;
1694
1695        /* save queue statistics */
1696        for_each_eth_queue(bp, i) {
1697                struct bnx2x_fastpath *fp = &bp->fp[i];
1698                struct bnx2x_eth_q_stats *qstats =
1699                        &bnx2x_fp_stats(bp, fp)->eth_q_stats;
1700                struct bnx2x_eth_q_stats_old *qstats_old =
1701                        &bnx2x_fp_stats(bp, fp)->eth_q_stats_old;
1702
1703                UPDATE_QSTAT_OLD(total_unicast_bytes_received_hi);
1704                UPDATE_QSTAT_OLD(total_unicast_bytes_received_lo);
1705                UPDATE_QSTAT_OLD(total_broadcast_bytes_received_hi);
1706                UPDATE_QSTAT_OLD(total_broadcast_bytes_received_lo);
1707                UPDATE_QSTAT_OLD(total_multicast_bytes_received_hi);
1708                UPDATE_QSTAT_OLD(total_multicast_bytes_received_lo);
1709                UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_hi);
1710                UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_lo);
1711                UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_hi);
1712                UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_lo);
1713                UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_hi);
1714                UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_lo);
1715                UPDATE_QSTAT_OLD(total_tpa_bytes_hi);
1716                UPDATE_QSTAT_OLD(total_tpa_bytes_lo);
1717        }
1718
1719        /* save net_device_stats statistics */
1720        bp->net_stats_old.rx_dropped = nstats->rx_dropped;
1721
1722        /* store port firmware statistics */
1723        if (bp->port.pmf && IS_MF(bp)) {
1724                struct bnx2x_eth_stats *estats = &bp->eth_stats;
1725                struct bnx2x_fw_port_stats_old *fwstats = &bp->fw_stats_old;
1726                UPDATE_FW_STAT_OLD(mac_filter_discard);
1727                UPDATE_FW_STAT_OLD(mf_tag_discard);
1728                UPDATE_FW_STAT_OLD(brb_truncate_discard);
1729                UPDATE_FW_STAT_OLD(mac_discard);
1730        }
1731}
1732
1733void bnx2x_afex_collect_stats(struct bnx2x *bp, void *void_afex_stats,
1734                              uint32_t stats_type)
1735{
1736        int i;
1737        struct afex_stats *afex_stats = (struct afex_stats *)void_afex_stats;
1738        struct bnx2x_eth_stats *estats = &bp->eth_stats;
1739        struct per_queue_stats *fcoe_q_stats =
1740                &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)];
1741
1742        struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
1743                &fcoe_q_stats->tstorm_queue_statistics;
1744
1745        struct ustorm_per_queue_stats *fcoe_q_ustorm_stats =
1746                &fcoe_q_stats->ustorm_queue_statistics;
1747
1748        struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
1749                &fcoe_q_stats->xstorm_queue_statistics;
1750
1751        struct fcoe_statistics_params *fw_fcoe_stat =
1752                &bp->fw_stats_data->fcoe;
1753
1754        memset(afex_stats, 0, sizeof(struct afex_stats));
1755
1756        for_each_eth_queue(bp, i) {
1757                struct bnx2x_eth_q_stats *qstats = &bp->fp_stats[i].eth_q_stats;
1758
1759                ADD_64(afex_stats->rx_unicast_bytes_hi,
1760                       qstats->total_unicast_bytes_received_hi,
1761                       afex_stats->rx_unicast_bytes_lo,
1762                       qstats->total_unicast_bytes_received_lo);
1763
1764                ADD_64(afex_stats->rx_broadcast_bytes_hi,
1765                       qstats->total_broadcast_bytes_received_hi,
1766                       afex_stats->rx_broadcast_bytes_lo,
1767                       qstats->total_broadcast_bytes_received_lo);
1768
1769                ADD_64(afex_stats->rx_multicast_bytes_hi,
1770                       qstats->total_multicast_bytes_received_hi,
1771                       afex_stats->rx_multicast_bytes_lo,
1772                       qstats->total_multicast_bytes_received_lo);
1773
1774                ADD_64(afex_stats->rx_unicast_frames_hi,
1775                       qstats->total_unicast_packets_received_hi,
1776                       afex_stats->rx_unicast_frames_lo,
1777                       qstats->total_unicast_packets_received_lo);
1778
1779                ADD_64(afex_stats->rx_broadcast_frames_hi,
1780                       qstats->total_broadcast_packets_received_hi,
1781                       afex_stats->rx_broadcast_frames_lo,
1782                       qstats->total_broadcast_packets_received_lo);
1783
1784                ADD_64(afex_stats->rx_multicast_frames_hi,
1785                       qstats->total_multicast_packets_received_hi,
1786                       afex_stats->rx_multicast_frames_lo,
1787                       qstats->total_multicast_packets_received_lo);
1788
1789                /* sum to rx_frames_discarded all discraded
1790                 * packets due to size, ttl0 and checksum
1791                 */
1792                ADD_64(afex_stats->rx_frames_discarded_hi,
1793                       qstats->total_packets_received_checksum_discarded_hi,
1794                       afex_stats->rx_frames_discarded_lo,
1795                       qstats->total_packets_received_checksum_discarded_lo);
1796
1797                ADD_64(afex_stats->rx_frames_discarded_hi,
1798                       qstats->total_packets_received_ttl0_discarded_hi,
1799                       afex_stats->rx_frames_discarded_lo,
1800                       qstats->total_packets_received_ttl0_discarded_lo);
1801
1802                ADD_64(afex_stats->rx_frames_discarded_hi,
1803                       qstats->etherstatsoverrsizepkts_hi,
1804                       afex_stats->rx_frames_discarded_lo,
1805                       qstats->etherstatsoverrsizepkts_lo);
1806
1807                ADD_64(afex_stats->rx_frames_dropped_hi,
1808                       qstats->no_buff_discard_hi,
1809                       afex_stats->rx_frames_dropped_lo,
1810                       qstats->no_buff_discard_lo);
1811
1812                ADD_64(afex_stats->tx_unicast_bytes_hi,
1813                       qstats->total_unicast_bytes_transmitted_hi,
1814                       afex_stats->tx_unicast_bytes_lo,
1815                       qstats->total_unicast_bytes_transmitted_lo);
1816
1817                ADD_64(afex_stats->tx_broadcast_bytes_hi,
1818                       qstats->total_broadcast_bytes_transmitted_hi,
1819                       afex_stats->tx_broadcast_bytes_lo,
1820                       qstats->total_broadcast_bytes_transmitted_lo);
1821
1822                ADD_64(afex_stats->tx_multicast_bytes_hi,
1823                       qstats->total_multicast_bytes_transmitted_hi,
1824                       afex_stats->tx_multicast_bytes_lo,
1825                       qstats->total_multicast_bytes_transmitted_lo);
1826
1827                ADD_64(afex_stats->tx_unicast_frames_hi,
1828                       qstats->total_unicast_packets_transmitted_hi,
1829                       afex_stats->tx_unicast_frames_lo,
1830                       qstats->total_unicast_packets_transmitted_lo);
1831
1832                ADD_64(afex_stats->tx_broadcast_frames_hi,
1833                       qstats->total_broadcast_packets_transmitted_hi,
1834                       afex_stats->tx_broadcast_frames_lo,
1835                       qstats->total_broadcast_packets_transmitted_lo);
1836
1837                ADD_64(afex_stats->tx_multicast_frames_hi,
1838                       qstats->total_multicast_packets_transmitted_hi,
1839                       afex_stats->tx_multicast_frames_lo,
1840                       qstats->total_multicast_packets_transmitted_lo);
1841
1842                ADD_64(afex_stats->tx_frames_dropped_hi,
1843                       qstats->total_transmitted_dropped_packets_error_hi,
1844                       afex_stats->tx_frames_dropped_lo,
1845                       qstats->total_transmitted_dropped_packets_error_lo);
1846        }
1847
1848        /* now add FCoE statistics which are collected separately
1849         * (both offloaded and non offloaded)
1850         */
1851        if (!NO_FCOE(bp)) {
1852                ADD_64_LE(afex_stats->rx_unicast_bytes_hi,
1853                          LE32_0,
1854                          afex_stats->rx_unicast_bytes_lo,
1855                          fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
1856
1857                ADD_64_LE(afex_stats->rx_unicast_bytes_hi,
1858                          fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
1859                          afex_stats->rx_unicast_bytes_lo,
1860                          fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
1861
1862                ADD_64_LE(afex_stats->rx_broadcast_bytes_hi,
1863                          fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
1864                          afex_stats->rx_broadcast_bytes_lo,
1865                          fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
1866
1867                ADD_64_LE(afex_stats->rx_multicast_bytes_hi,
1868                          fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
1869                          afex_stats->rx_multicast_bytes_lo,
1870                          fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
1871
1872                ADD_64_LE(afex_stats->rx_unicast_frames_hi,
1873                          LE32_0,
1874                          afex_stats->rx_unicast_frames_lo,
1875                          fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
1876
1877                ADD_64_LE(afex_stats->rx_unicast_frames_hi,
1878                          LE32_0,
1879                          afex_stats->rx_unicast_frames_lo,
1880                          fcoe_q_tstorm_stats->rcv_ucast_pkts);
1881
1882                ADD_64_LE(afex_stats->rx_broadcast_frames_hi,
1883                          LE32_0,
1884                          afex_stats->rx_broadcast_frames_lo,
1885                          fcoe_q_tstorm_stats->rcv_bcast_pkts);
1886
1887                ADD_64_LE(afex_stats->rx_multicast_frames_hi,
1888                          LE32_0,
1889                          afex_stats->rx_multicast_frames_lo,
1890                          fcoe_q_tstorm_stats->rcv_ucast_pkts);
1891
1892                ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1893                          LE32_0,
1894                          afex_stats->rx_frames_discarded_lo,
1895                          fcoe_q_tstorm_stats->checksum_discard);
1896
1897                ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1898                          LE32_0,
1899                          afex_stats->rx_frames_discarded_lo,
1900                          fcoe_q_tstorm_stats->pkts_too_big_discard);
1901
1902                ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1903                          LE32_0,
1904                          afex_stats->rx_frames_discarded_lo,
1905                          fcoe_q_tstorm_stats->ttl0_discard);
1906
1907                ADD_64_LE16(afex_stats->rx_frames_dropped_hi,
1908                            LE16_0,
1909                            afex_stats->rx_frames_dropped_lo,
1910                            fcoe_q_tstorm_stats->no_buff_discard);
1911
1912                ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1913                          LE32_0,
1914                          afex_stats->rx_frames_dropped_lo,
1915                          fcoe_q_ustorm_stats->ucast_no_buff_pkts);
1916
1917                ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1918                          LE32_0,
1919                          afex_stats->rx_frames_dropped_lo,
1920                          fcoe_q_ustorm_stats->mcast_no_buff_pkts);
1921
1922                ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1923                          LE32_0,
1924                          afex_stats->rx_frames_dropped_lo,
1925                          fcoe_q_ustorm_stats->bcast_no_buff_pkts);
1926
1927                ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1928                          LE32_0,
1929                          afex_stats->rx_frames_dropped_lo,
1930                          fw_fcoe_stat->rx_stat1.fcoe_rx_drop_pkt_cnt);
1931
1932                ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1933                          LE32_0,
1934                          afex_stats->rx_frames_dropped_lo,
1935                          fw_fcoe_stat->rx_stat2.fcoe_rx_drop_pkt_cnt);
1936
1937                ADD_64_LE(afex_stats->tx_unicast_bytes_hi,
1938                          LE32_0,
1939                          afex_stats->tx_unicast_bytes_lo,
1940                          fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
1941
1942                ADD_64_LE(afex_stats->tx_unicast_bytes_hi,
1943                          fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
1944                          afex_stats->tx_unicast_bytes_lo,
1945                          fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
1946
1947                ADD_64_LE(afex_stats->tx_broadcast_bytes_hi,
1948                          fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
1949                          afex_stats->tx_broadcast_bytes_lo,
1950                          fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
1951
1952                ADD_64_LE(afex_stats->tx_multicast_bytes_hi,
1953                          fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
1954                          afex_stats->tx_multicast_bytes_lo,
1955                          fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
1956
1957                ADD_64_LE(afex_stats->tx_unicast_frames_hi,
1958                          LE32_0,
1959                          afex_stats->tx_unicast_frames_lo,
1960                          fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
1961
1962                ADD_64_LE(afex_stats->tx_unicast_frames_hi,
1963                          LE32_0,
1964                          afex_stats->tx_unicast_frames_lo,
1965                          fcoe_q_xstorm_stats->ucast_pkts_sent);
1966
1967                ADD_64_LE(afex_stats->tx_broadcast_frames_hi,
1968                          LE32_0,
1969                          afex_stats->tx_broadcast_frames_lo,
1970                          fcoe_q_xstorm_stats->bcast_pkts_sent);
1971
1972                ADD_64_LE(afex_stats->tx_multicast_frames_hi,
1973                          LE32_0,
1974                          afex_stats->tx_multicast_frames_lo,
1975                          fcoe_q_xstorm_stats->mcast_pkts_sent);
1976
1977                ADD_64_LE(afex_stats->tx_frames_dropped_hi,
1978                          LE32_0,
1979                          afex_stats->tx_frames_dropped_lo,
1980                          fcoe_q_xstorm_stats->error_drop_pkts);
1981        }
1982
1983        /* if port stats are requested, add them to the PMF
1984         * stats, as anyway they will be accumulated by the
1985         * MCP before sent to the switch
1986         */
1987        if ((bp->port.pmf) && (stats_type == VICSTATST_UIF_INDEX)) {
1988                ADD_64(afex_stats->rx_frames_dropped_hi,
1989                       0,
1990                       afex_stats->rx_frames_dropped_lo,
1991                       estats->mac_filter_discard);
1992                ADD_64(afex_stats->rx_frames_dropped_hi,
1993                       0,
1994                       afex_stats->rx_frames_dropped_lo,
1995                       estats->brb_truncate_discard);
1996                ADD_64(afex_stats->rx_frames_discarded_hi,
1997                       0,
1998                       afex_stats->rx_frames_discarded_lo,
1999                       estats->mac_discard);
2000        }
2001}
2002
2003void bnx2x_stats_safe_exec(struct bnx2x *bp,
2004                           void (func_to_exec)(void *cookie),
2005                           void *cookie)
2006{
2007        if (down_timeout(&bp->stats_sema, HZ/10))
2008                BNX2X_ERR("Unable to acquire stats lock\n");
2009        bnx2x_stats_comp(bp);
2010        func_to_exec(cookie);
2011        __bnx2x_stats_start(bp);
2012        up(&bp->stats_sema);
2013}
2014