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

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