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

   1 /* bnx2x_stats.c: QLogic Everest network driver.
   2  *
   3  * Copyright (c) 2007-2013 Broadcom Corporation
   4  * Copyright (c) 2014 QLogic Corporation
   5  * All rights reserved
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation.
  10  *
  11  * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
  12  * Written by: Eliezer Tamir
  13  * Based on code from Michael Chan's bnx2 driver
  14  * UDP CSUM errata workaround by Arik Gendelman
  15  * Slowpath and fastpath rework by Vladislav Zolotarov
  16  * Statistics and Link management by Yitchak Gertner
  17  *
  18  */
  19
  20 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  21
  22 #include "bnx2x_stats.h"
  23 #include "bnx2x_cmn.h"
  24 #include "bnx2x_sriov.h"
  25
  26 extern const u32 dmae_reg_go_c[];
  27
  28 /* Statistics */
  29
  30 /*
  31  * General service functions
  32  */
  33
  34 static inline long bnx2x_hilo(u32 *hiref)
  35 {
  36         u32 lo = *(hiref + 1);
  37 #if (BITS_PER_LONG == 64)
  38         u32 hi = *hiref;
  39
  40         return HILO_U64(hi, lo);
  41 #else
  42         return lo;
  43 #endif
  44 }
  45
  46 static inline u16 bnx2x_get_port_stats_dma_len(struct bnx2x *bp)
  47 {
  48         u16 res = 0;
  49
  50         /* 'newest' convention - shmem2 cotains the size of the port stats */
  51         if (SHMEM2_HAS(bp, sizeof_port_stats)) {
  52                 u32 size = SHMEM2_RD(bp, sizeof_port_stats);
  53                 if (size)
  54                         res = size;
  55
  56                 /* prevent newer BC from causing buffer overflow */
  57                 if (res > sizeof(struct host_port_stats))
  58                         res = sizeof(struct host_port_stats);
  59         }
  60
  61         /* Older convention - all BCs support the port stats' fields up until
  62          * the 'not_used' field
  63          */
  64         if (!res) {
  65                 res = offsetof(struct host_port_stats, not_used) + 4;
  66
  67                 /* if PFC stats are supported by the MFW, DMA them as well */
  68                 if (bp->flags & BC_SUPPORTS_PFC_STATS) {
  69                         res += offsetof(struct host_port_stats,
  70                                         pfc_frames_rx_lo) -
  71                                offsetof(struct host_port_stats,
  72                                         pfc_frames_tx_hi) + 4 ;
  73                 }
  74         }
  75
  76         res >>= 2;
  77
  78         WARN_ON(res > 2 * DMAE_LEN32_RD_MAX);
  79         return res;
  80 }
  81
  82 /*
  83  * Init service functions
  84  */
  85
  86 static void bnx2x_dp_stats(struct bnx2x *bp)
  87 {
  88         int i;
  89
  90         DP(BNX2X_MSG_STATS, "dumping stats:\n"
  91            "fw_stats_req\n"
  92            "    hdr\n"
  93            "        cmd_num %d\n"
  94            "        reserved0 %d\n"
  95            "        drv_stats_counter %d\n"
  96            "        reserved1 %d\n"
  97            "        stats_counters_addrs %x %x\n",
  98            bp->fw_stats_req->hdr.cmd_num,
  99            bp->fw_stats_req->hdr.reserved0,
 100            bp->fw_stats_req->hdr.drv_stats_counter,
 101            bp->fw_stats_req->hdr.reserved1,
 102            bp->fw_stats_req->hdr.stats_counters_addrs.hi,
 103            bp->fw_stats_req->hdr.stats_counters_addrs.lo);
 104
 105         for (i = 0; i < bp->fw_stats_req->hdr.cmd_num; i++) {
 106                 DP(BNX2X_MSG_STATS,
 107                    "query[%d]\n"
 108                    "              kind %d\n"
 109                    "              index %d\n"
 110                    "              funcID %d\n"
 111                    "              reserved %d\n"
 112                    "              address %x %x\n",
 113                    i, bp->fw_stats_req->query[i].kind,
 114                    bp->fw_stats_req->query[i].index,
 115                    bp->fw_stats_req->query[i].funcID,
 116                    bp->fw_stats_req->query[i].reserved,
 117                    bp->fw_stats_req->query[i].address.hi,
 118                    bp->fw_stats_req->query[i].address.lo);
 119         }
 120 }
 121
 122 /* Post the next statistics ramrod. Protect it with the spin in
 123  * order to ensure the strict order between statistics ramrods
 124  * (each ramrod has a sequence number passed in a
 125  * bp->fw_stats_req->hdr.drv_stats_counter and ramrods must be
 126  * sent in order).
 127  */
 128 static void bnx2x_storm_stats_post(struct bnx2x *bp)
 129 {
 130         int rc;
 131
 132         if (bp->stats_pending)
 133                 return;
 134
 135         bp->fw_stats_req->hdr.drv_stats_counter =
 136                 cpu_to_le16(bp->stats_counter++);
 137
 138         DP(BNX2X_MSG_STATS, "Sending statistics ramrod %d\n",
 139            le16_to_cpu(bp->fw_stats_req->hdr.drv_stats_counter));
 140
 141         /* adjust the ramrod to include VF queues statistics */
 142         bnx2x_iov_adjust_stats_req(bp);
 143         bnx2x_dp_stats(bp);
 144
 145         /* send FW stats ramrod */
 146         rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STAT_QUERY, 0,
 147                            U64_HI(bp->fw_stats_req_mapping),
 148                            U64_LO(bp->fw_stats_req_mapping),
 149                            NONE_CONNECTION_TYPE);
 150         if (rc == 0)
 151                 bp->stats_pending = 1;
 152 }
 153
 154 static void bnx2x_hw_stats_post(struct bnx2x *bp)
 155 {
 156         struct dmae_command *dmae = &bp->stats_dmae;
 157         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 158
 159         *stats_comp = DMAE_COMP_VAL;
 160         if (CHIP_REV_IS_SLOW(bp))
 161                 return;
 162
 163         /* Update MCP's statistics if possible */
 164         if (bp->func_stx)
 165                 memcpy(bnx2x_sp(bp, func_stats), &bp->func_stats,
 166                        sizeof(bp->func_stats));
 167
 168         /* loader */
 169         if (bp->executer_idx) {
 170                 int loader_idx = PMF_DMAE_C(bp);
 171                 u32 opcode =  bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 172                                                  true, DMAE_COMP_GRC);
 173                 opcode = bnx2x_dmae_opcode_clr_src_reset(opcode);
 174
 175                 memset(dmae, 0, sizeof(struct dmae_command));
 176                 dmae->opcode = opcode;
 177                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
 178                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
 179                 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
 180                                      sizeof(struct dmae_command) *
 181                                      (loader_idx + 1)) >> 2;
 182                 dmae->dst_addr_hi = 0;
 183                 dmae->len = sizeof(struct dmae_command) >> 2;
 184                 if (CHIP_IS_E1(bp))
 185                         dmae->len--;
 186                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
 187                 dmae->comp_addr_hi = 0;
 188                 dmae->comp_val = 1;
 189
 190                 *stats_comp = 0;
 191                 bnx2x_post_dmae(bp, dmae, loader_idx);
 192
 193         } else if (bp->func_stx) {
 194                 *stats_comp = 0;
 195                 bnx2x_issue_dmae_with_comp(bp, dmae, stats_comp);
 196         }
 197 }
 198
 199 static void bnx2x_stats_comp(struct bnx2x *bp)
 200 {
 201         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 202         int cnt = 10;
 203
 204         might_sleep();
 205         while (*stats_comp != DMAE_COMP_VAL) {
 206                 if (!cnt) {
 207                         BNX2X_ERR("timeout waiting for stats finished\n");
 208                         break;
 209                 }
 210                 cnt--;
 211                 usleep_range(1000, 2000);
 212         }
 213 }
 214
 215 /*
 216  * Statistics service functions
 217  */
 218
 219 /* should be called under stats_sema */
 220 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
 221 {
 222         struct dmae_command *dmae;
 223         u32 opcode;
 224         int loader_idx = PMF_DMAE_C(bp);
 225         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 226
 227         /* sanity */
 228         if (!bp->port.pmf || !bp->port.port_stx) {
 229                 BNX2X_ERR("BUG!\n");
 230                 return;
 231         }
 232
 233         bp->executer_idx = 0;
 234
 235         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI, false, 0);
 236
 237         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 238         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_GRC);
 239         dmae->src_addr_lo = bp->port.port_stx >> 2;
 240         dmae->src_addr_hi = 0;
 241         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 242         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 243         dmae->len = DMAE_LEN32_RD_MAX;
 244         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 245         dmae->comp_addr_hi = 0;
 246         dmae->comp_val = 1;
 247
 248         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 249         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
 250         dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
 251         dmae->src_addr_hi = 0;
 252         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
 253                                    DMAE_LEN32_RD_MAX * 4);
 254         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
 255                                    DMAE_LEN32_RD_MAX * 4);
 256         dmae->len = bnx2x_get_port_stats_dma_len(bp) - DMAE_LEN32_RD_MAX;
 257
 258         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 259         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 260         dmae->comp_val = DMAE_COMP_VAL;
 261
 262         *stats_comp = 0;
 263         bnx2x_hw_stats_post(bp);
 264         bnx2x_stats_comp(bp);
 265 }
 266
 267 static void bnx2x_port_stats_init(struct bnx2x *bp)
 268 {
 269         struct dmae_command *dmae;
 270         int port = BP_PORT(bp);
 271         u32 opcode;
 272         int loader_idx = PMF_DMAE_C(bp);
 273         u32 mac_addr;
 274         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 275
 276         /* sanity */
 277         if (!bp->link_vars.link_up || !bp->port.pmf) {
 278                 BNX2X_ERR("BUG!\n");
 279                 return;
 280         }
 281
 282         bp->executer_idx = 0;
 283
 284         /* MCP */
 285         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 286                                     true, DMAE_COMP_GRC);
 287
 288         if (bp->port.port_stx) {
 289
 290                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 291                 dmae->opcode = opcode;
 292                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 293                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 294                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
 295                 dmae->dst_addr_hi = 0;
 296                 dmae->len = bnx2x_get_port_stats_dma_len(bp);
 297                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 298                 dmae->comp_addr_hi = 0;
 299                 dmae->comp_val = 1;
 300         }
 301
 302         if (bp->func_stx) {
 303
 304                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 305                 dmae->opcode = opcode;
 306                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 307                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 308                 dmae->dst_addr_lo = bp->func_stx >> 2;
 309                 dmae->dst_addr_hi = 0;
 310                 dmae->len = sizeof(struct host_func_stats) >> 2;
 311                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 312                 dmae->comp_addr_hi = 0;
 313                 dmae->comp_val = 1;
 314         }
 315
 316         /* MAC */
 317         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 318                                    true, DMAE_COMP_GRC);
 319
 320         /* EMAC is special */
 321         if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
 322                 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
 323
 324                 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
 325                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 326                 dmae->opcode = opcode;
 327                 dmae->src_addr_lo = (mac_addr +
 328                                      EMAC_REG_EMAC_RX_STAT_AC) >> 2;
 329                 dmae->src_addr_hi = 0;
 330                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 331                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 332                 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
 333                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 334                 dmae->comp_addr_hi = 0;
 335                 dmae->comp_val = 1;
 336
 337                 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
 338                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 339                 dmae->opcode = opcode;
 340                 dmae->src_addr_lo = (mac_addr +
 341                                      EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
 342                 dmae->src_addr_hi = 0;
 343                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 344                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 345                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 346                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 347                 dmae->len = 1;
 348                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 349                 dmae->comp_addr_hi = 0;
 350                 dmae->comp_val = 1;
 351
 352                 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
 353                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 354                 dmae->opcode = opcode;
 355                 dmae->src_addr_lo = (mac_addr +
 356                                      EMAC_REG_EMAC_TX_STAT_AC) >> 2;
 357                 dmae->src_addr_hi = 0;
 358                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 359                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 360                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 361                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 362                 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
 363                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 364                 dmae->comp_addr_hi = 0;
 365                 dmae->comp_val = 1;
 366         } else {
 367                 u32 tx_src_addr_lo, rx_src_addr_lo;
 368                 u16 rx_len, tx_len;
 369
 370                 /* configure the params according to MAC type */
 371                 switch (bp->link_vars.mac_type) {
 372                 case MAC_TYPE_BMAC:
 373                         mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
 374                                            NIG_REG_INGRESS_BMAC0_MEM);
 375
 376                         /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
 377                            BIGMAC_REGISTER_TX_STAT_GTBYT */
 378                         if (CHIP_IS_E1x(bp)) {
 379                                 tx_src_addr_lo = (mac_addr +
 380                                         BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 381                                 tx_len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
 382                                           BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 383                                 rx_src_addr_lo = (mac_addr +
 384                                         BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 385                                 rx_len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
 386                                           BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 387                         } else {
 388                                 tx_src_addr_lo = (mac_addr +
 389                                         BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 390                                 tx_len = (8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
 391                                           BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 392                                 rx_src_addr_lo = (mac_addr +
 393                                         BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 394                                 rx_len = (8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
 395                                           BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 396                         }
 397                         break;
 398
 399                 case MAC_TYPE_UMAC: /* handled by MSTAT */
 400                 case MAC_TYPE_XMAC: /* handled by MSTAT */
 401                 default:
 402                         mac_addr = port ? GRCBASE_MSTAT1 : GRCBASE_MSTAT0;
 403                         tx_src_addr_lo = (mac_addr +
 404                                           MSTAT_REG_TX_STAT_GTXPOK_LO) >> 2;
 405                         rx_src_addr_lo = (mac_addr +
 406                                           MSTAT_REG_RX_STAT_GR64_LO) >> 2;
 407                         tx_len = sizeof(bp->slowpath->
 408                                         mac_stats.mstat_stats.stats_tx) >> 2;
 409                         rx_len = sizeof(bp->slowpath->
 410                                         mac_stats.mstat_stats.stats_rx) >> 2;
 411                         break;
 412                 }
 413
 414                 /* TX stats */
 415                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 416                 dmae->opcode = opcode;
 417                 dmae->src_addr_lo = tx_src_addr_lo;
 418                 dmae->src_addr_hi = 0;
 419                 dmae->len = tx_len;
 420                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 421                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 422                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 423                 dmae->comp_addr_hi = 0;
 424                 dmae->comp_val = 1;
 425
 426                 /* RX stats */
 427                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 428                 dmae->opcode = opcode;
 429                 dmae->src_addr_hi = 0;
 430                 dmae->src_addr_lo = rx_src_addr_lo;
 431                 dmae->dst_addr_lo =
 432                         U64_LO(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 433                 dmae->dst_addr_hi =
 434                         U64_HI(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 435                 dmae->len = rx_len;
 436                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 437                 dmae->comp_addr_hi = 0;
 438                 dmae->comp_val = 1;
 439         }
 440
 441         /* NIG */
 442         if (!CHIP_IS_E3(bp)) {
 443                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 444                 dmae->opcode = opcode;
 445                 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
 446                                             NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
 447                 dmae->src_addr_hi = 0;
 448                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 449                                 offsetof(struct nig_stats, egress_mac_pkt0_lo));
 450                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 451                                 offsetof(struct nig_stats, egress_mac_pkt0_lo));
 452                 dmae->len = (2*sizeof(u32)) >> 2;
 453                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 454                 dmae->comp_addr_hi = 0;
 455                 dmae->comp_val = 1;
 456
 457                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 458                 dmae->opcode = opcode;
 459                 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
 460                                             NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
 461                 dmae->src_addr_hi = 0;
 462                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 463                                 offsetof(struct nig_stats, egress_mac_pkt1_lo));
 464                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 465                                 offsetof(struct nig_stats, egress_mac_pkt1_lo));
 466                 dmae->len = (2*sizeof(u32)) >> 2;
 467                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 468                 dmae->comp_addr_hi = 0;
 469                 dmae->comp_val = 1;
 470         }
 471
 472         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 473         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 474                                                  true, DMAE_COMP_PCI);
 475         dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
 476                                     NIG_REG_STAT0_BRB_DISCARD) >> 2;
 477         dmae->src_addr_hi = 0;
 478         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
 479         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
 480         dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
 481
 482         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 483         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 484         dmae->comp_val = DMAE_COMP_VAL;
 485
 486         *stats_comp = 0;
 487 }
 488
 489 static void bnx2x_func_stats_init(struct bnx2x *bp)
 490 {
 491         struct dmae_command *dmae = &bp->stats_dmae;
 492         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 493
 494         /* sanity */
 495         if (!bp->func_stx) {
 496                 BNX2X_ERR("BUG!\n");
 497                 return;
 498         }
 499
 500         bp->executer_idx = 0;
 501         memset(dmae, 0, sizeof(struct dmae_command));
 502
 503         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 504                                          true, DMAE_COMP_PCI);
 505         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 506         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 507         dmae->dst_addr_lo = bp->func_stx >> 2;
 508         dmae->dst_addr_hi = 0;
 509         dmae->len = sizeof(struct host_func_stats) >> 2;
 510         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 511         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 512         dmae->comp_val = DMAE_COMP_VAL;
 513
 514         *stats_comp = 0;
 515 }
 516
 517 /* should be called under stats_sema */
 518 static void bnx2x_stats_start(struct bnx2x *bp)
 519 {
 520         if (IS_PF(bp)) {
 521                 if (bp->port.pmf)
 522                         bnx2x_port_stats_init(bp);
 523
 524                 else if (bp->func_stx)
 525                         bnx2x_func_stats_init(bp);
 526
 527                 bnx2x_hw_stats_post(bp);
 528                 bnx2x_storm_stats_post(bp);
 529         }
 530 }
 531
 532 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
 533 {
 534         bnx2x_stats_comp(bp);
 535         bnx2x_stats_pmf_update(bp);
 536         bnx2x_stats_start(bp);
 537 }
 538
 539 static void bnx2x_stats_restart(struct bnx2x *bp)
 540 {
 541         /* vfs travel through here as part of the statistics FSM, but no action
 542          * is required
 543          */
 544         if (IS_VF(bp))
 545                 return;
 546
 547         bnx2x_stats_comp(bp);
 548         bnx2x_stats_start(bp);
 549 }
 550
 551 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
 552 {
 553         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 554         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 555         struct {
 556                 u32 lo;
 557                 u32 hi;
 558         } diff;
 559
 560         if (CHIP_IS_E1x(bp)) {
 561                 struct bmac1_stats *new = bnx2x_sp(bp, mac_stats.bmac1_stats);
 562
 563                 /* the macros below will use "bmac1_stats" type */
 564                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 565                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 566                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 567                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 568                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 569                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 570                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 571                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 572                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 573
 574                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 575                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 576                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 577                 UPDATE_STAT64(tx_stat_gt127,
 578                                 tx_stat_etherstatspkts65octetsto127octets);
 579                 UPDATE_STAT64(tx_stat_gt255,
 580                                 tx_stat_etherstatspkts128octetsto255octets);
 581                 UPDATE_STAT64(tx_stat_gt511,
 582                                 tx_stat_etherstatspkts256octetsto511octets);
 583                 UPDATE_STAT64(tx_stat_gt1023,
 584                                 tx_stat_etherstatspkts512octetsto1023octets);
 585                 UPDATE_STAT64(tx_stat_gt1518,
 586                                 tx_stat_etherstatspkts1024octetsto1522octets);
 587                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 588                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 589                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 590                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 591                 UPDATE_STAT64(tx_stat_gterr,
 592                                 tx_stat_dot3statsinternalmactransmiterrors);
 593                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 594
 595         } else {
 596                 struct bmac2_stats *new = bnx2x_sp(bp, mac_stats.bmac2_stats);
 597
 598                 /* the macros below will use "bmac2_stats" type */
 599                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 600                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 601                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 602                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 603                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 604                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 605                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 606                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 607                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 608                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 609                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 610                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 611                 UPDATE_STAT64(tx_stat_gt127,
 612                                 tx_stat_etherstatspkts65octetsto127octets);
 613                 UPDATE_STAT64(tx_stat_gt255,
 614                                 tx_stat_etherstatspkts128octetsto255octets);
 615                 UPDATE_STAT64(tx_stat_gt511,
 616                                 tx_stat_etherstatspkts256octetsto511octets);
 617                 UPDATE_STAT64(tx_stat_gt1023,
 618                                 tx_stat_etherstatspkts512octetsto1023octets);
 619                 UPDATE_STAT64(tx_stat_gt1518,
 620                                 tx_stat_etherstatspkts1024octetsto1522octets);
 621                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 622                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 623                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 624                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 625                 UPDATE_STAT64(tx_stat_gterr,
 626                                 tx_stat_dot3statsinternalmactransmiterrors);
 627                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 628
 629                 /* collect PFC stats */
 630                 pstats->pfc_frames_tx_hi = new->tx_stat_gtpp_hi;
 631                 pstats->pfc_frames_tx_lo = new->tx_stat_gtpp_lo;
 632
 633                 pstats->pfc_frames_rx_hi = new->rx_stat_grpp_hi;
 634                 pstats->pfc_frames_rx_lo = new->rx_stat_grpp_lo;
 635         }
 636
 637         estats->pause_frames_received_hi =
 638                                 pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 639         estats->pause_frames_received_lo =
 640                                 pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 641
 642         estats->pause_frames_sent_hi =
 643                                 pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 644         estats->pause_frames_sent_lo =
 645                                 pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 646
 647         estats->pfc_frames_received_hi =
 648                                 pstats->pfc_frames_rx_hi;
 649         estats->pfc_frames_received_lo =
 650                                 pstats->pfc_frames_rx_lo;
 651         estats->pfc_frames_sent_hi =
 652                                 pstats->pfc_frames_tx_hi;
 653         estats->pfc_frames_sent_lo =
 654                                 pstats->pfc_frames_tx_lo;
 655 }
 656
 657 static void bnx2x_mstat_stats_update(struct bnx2x *bp)
 658 {
 659         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 660         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 661
 662         struct mstat_stats *new = bnx2x_sp(bp, mac_stats.mstat_stats);
 663
 664         ADD_STAT64(stats_rx.rx_grerb, rx_stat_ifhcinbadoctets);
 665         ADD_STAT64(stats_rx.rx_grfcs, rx_stat_dot3statsfcserrors);
 666         ADD_STAT64(stats_rx.rx_grund, rx_stat_etherstatsundersizepkts);
 667         ADD_STAT64(stats_rx.rx_grovr, rx_stat_dot3statsframestoolong);
 668         ADD_STAT64(stats_rx.rx_grfrg, rx_stat_etherstatsfragments);
 669         ADD_STAT64(stats_rx.rx_grxcf, rx_stat_maccontrolframesreceived);
 670         ADD_STAT64(stats_rx.rx_grxpf, rx_stat_xoffstateentered);
 671         ADD_STAT64(stats_rx.rx_grxpf, rx_stat_mac_xpf);
 672         ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_outxoffsent);
 673         ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_flowcontroldone);
 674
 675         /* collect pfc stats */
 676         ADD_64(pstats->pfc_frames_tx_hi, new->stats_tx.tx_gtxpp_hi,
 677                 pstats->pfc_frames_tx_lo, new->stats_tx.tx_gtxpp_lo);
 678         ADD_64(pstats->pfc_frames_rx_hi, new->stats_rx.rx_grxpp_hi,
 679                 pstats->pfc_frames_rx_lo, new->stats_rx.rx_grxpp_lo);
 680
 681         ADD_STAT64(stats_tx.tx_gt64, tx_stat_etherstatspkts64octets);
 682         ADD_STAT64(stats_tx.tx_gt127,
 683                         tx_stat_etherstatspkts65octetsto127octets);
 684         ADD_STAT64(stats_tx.tx_gt255,
 685                         tx_stat_etherstatspkts128octetsto255octets);
 686         ADD_STAT64(stats_tx.tx_gt511,
 687                         tx_stat_etherstatspkts256octetsto511octets);
 688         ADD_STAT64(stats_tx.tx_gt1023,
 689                         tx_stat_etherstatspkts512octetsto1023octets);
 690         ADD_STAT64(stats_tx.tx_gt1518,
 691                         tx_stat_etherstatspkts1024octetsto1522octets);
 692         ADD_STAT64(stats_tx.tx_gt2047, tx_stat_mac_2047);
 693
 694         ADD_STAT64(stats_tx.tx_gt4095, tx_stat_mac_4095);
 695         ADD_STAT64(stats_tx.tx_gt9216, tx_stat_mac_9216);
 696         ADD_STAT64(stats_tx.tx_gt16383, tx_stat_mac_16383);
 697
 698         ADD_STAT64(stats_tx.tx_gterr,
 699                         tx_stat_dot3statsinternalmactransmiterrors);
 700         ADD_STAT64(stats_tx.tx_gtufl, tx_stat_mac_ufl);
 701
 702         estats->etherstatspkts1024octetsto1522octets_hi =
 703             pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_hi;
 704         estats->etherstatspkts1024octetsto1522octets_lo =
 705             pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_lo;
 706
 707         estats->etherstatspktsover1522octets_hi =
 708             pstats->mac_stx[1].tx_stat_mac_2047_hi;
 709         estats->etherstatspktsover1522octets_lo =
 710             pstats->mac_stx[1].tx_stat_mac_2047_lo;
 711
 712         ADD_64(estats->etherstatspktsover1522octets_hi,
 713                pstats->mac_stx[1].tx_stat_mac_4095_hi,
 714                estats->etherstatspktsover1522octets_lo,
 715                pstats->mac_stx[1].tx_stat_mac_4095_lo);
 716
 717         ADD_64(estats->etherstatspktsover1522octets_hi,
 718                pstats->mac_stx[1].tx_stat_mac_9216_hi,
 719                estats->etherstatspktsover1522octets_lo,
 720                pstats->mac_stx[1].tx_stat_mac_9216_lo);
 721
 722         ADD_64(estats->etherstatspktsover1522octets_hi,
 723                pstats->mac_stx[1].tx_stat_mac_16383_hi,
 724                estats->etherstatspktsover1522octets_lo,
 725                pstats->mac_stx[1].tx_stat_mac_16383_lo);
 726
 727         estats->pause_frames_received_hi =
 728                                 pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 729         estats->pause_frames_received_lo =
 730                                 pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 731
 732         estats->pause_frames_sent_hi =
 733                                 pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 734         estats->pause_frames_sent_lo =
 735                                 pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 736
 737         estats->pfc_frames_received_hi =
 738                                 pstats->pfc_frames_rx_hi;
 739         estats->pfc_frames_received_lo =
 740                                 pstats->pfc_frames_rx_lo;
 741         estats->pfc_frames_sent_hi =
 742                                 pstats->pfc_frames_tx_hi;
 743         estats->pfc_frames_sent_lo =
 744                                 pstats->pfc_frames_tx_lo;
 745 }
 746
 747 static void bnx2x_emac_stats_update(struct bnx2x *bp)
 748 {
 749         struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
 750         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 751         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 752
 753         UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
 754         UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
 755         UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
 756         UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
 757         UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
 758         UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
 759         UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
 760         UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
 761         UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
 762         UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
 763         UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
 764         UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
 765         UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
 766         UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
 767         UPDATE_EXTEND_STAT(tx_stat_outxonsent);
 768         UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
 769         UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
 770         UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
 771         UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
 772         UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
 773         UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
 774         UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
 775         UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
 776         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
 777         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
 778         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
 779         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
 780         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
 781         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
 782         UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
 783         UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
 784
 785         estats->pause_frames_received_hi =
 786                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi;
 787         estats->pause_frames_received_lo =
 788                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo;
 789         ADD_64(estats->pause_frames_received_hi,
 790                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi,
 791                estats->pause_frames_received_lo,
 792                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo);
 793
 794         estats->pause_frames_sent_hi =
 795                         pstats->mac_stx[1].tx_stat_outxonsent_hi;
 796         estats->pause_frames_sent_lo =
 797                         pstats->mac_stx[1].tx_stat_outxonsent_lo;
 798         ADD_64(estats->pause_frames_sent_hi,
 799                pstats->mac_stx[1].tx_stat_outxoffsent_hi,
 800                estats->pause_frames_sent_lo,
 801                pstats->mac_stx[1].tx_stat_outxoffsent_lo);
 802 }
 803
 804 static int bnx2x_hw_stats_update(struct bnx2x *bp)
 805 {
 806         struct nig_stats *new = bnx2x_sp(bp, nig_stats);
 807         struct nig_stats *old = &(bp->port.old_nig_stats);
 808         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 809         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 810         struct {
 811                 u32 lo;
 812                 u32 hi;
 813         } diff;
 814
 815         switch (bp->link_vars.mac_type) {
 816         case MAC_TYPE_BMAC:
 817                 bnx2x_bmac_stats_update(bp);
 818                 break;
 819
 820         case MAC_TYPE_EMAC:
 821                 bnx2x_emac_stats_update(bp);
 822                 break;
 823
 824         case MAC_TYPE_UMAC:
 825         case MAC_TYPE_XMAC:
 826                 bnx2x_mstat_stats_update(bp);
 827                 break;
 828
 829         case MAC_TYPE_NONE: /* unreached */
 830                 DP(BNX2X_MSG_STATS,
 831                    "stats updated by DMAE but no MAC active\n");
 832                 return -1;
 833
 834         default: /* unreached */
 835                 BNX2X_ERR("Unknown MAC type\n");
 836         }
 837
 838         ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
 839                       new->brb_discard - old->brb_discard);
 840         ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
 841                       new->brb_truncate - old->brb_truncate);
 842
 843         if (!CHIP_IS_E3(bp)) {
 844                 UPDATE_STAT64_NIG(egress_mac_pkt0,
 845                                         etherstatspkts1024octetsto1522octets);
 846                 UPDATE_STAT64_NIG(egress_mac_pkt1,
 847                                         etherstatspktsover1522octets);
 848         }
 849
 850         memcpy(old, new, sizeof(struct nig_stats));
 851
 852         memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
 853                sizeof(struct mac_stx));
 854         estats->brb_drop_hi = pstats->brb_drop_hi;
 855         estats->brb_drop_lo = pstats->brb_drop_lo;
 856
 857         pstats->host_port_stats_counter++;
 858
 859         if (CHIP_IS_E3(bp)) {
 860                 u32 lpi_reg = BP_PORT(bp) ? MISC_REG_CPMU_LP_SM_ENT_CNT_P1
 861                                           : MISC_REG_CPMU_LP_SM_ENT_CNT_P0;
 862                 estats->eee_tx_lpi += REG_RD(bp, lpi_reg);
 863         }
 864
 865         if (!BP_NOMCP(bp)) {
 866                 u32 nig_timer_max =
 867                         SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer);
 868                 if (nig_timer_max != estats->nig_timer_max) {
 869                         estats->nig_timer_max = nig_timer_max;
 870                         BNX2X_ERR("NIG timer max (%u)\n",
 871                                   estats->nig_timer_max);
 872                 }
 873         }
 874
 875         return 0;
 876 }
 877
 878 static int bnx2x_storm_stats_validate_counters(struct bnx2x *bp)
 879 {
 880         struct stats_counter *counters = &bp->fw_stats_data->storm_counters;
 881         u16 cur_stats_counter;
 882         /* Make sure we use the value of the counter
 883          * used for sending the last stats ramrod.
 884          */
 885         cur_stats_counter = bp->stats_counter - 1;
 886
 887         /* are storm stats valid? */
 888         if (le16_to_cpu(counters->xstats_counter) != cur_stats_counter) {
 889                 DP(BNX2X_MSG_STATS,
 890                    "stats not updated by xstorm  xstorm counter (0x%x) != stats_counter (0x%x)\n",
 891                    le16_to_cpu(counters->xstats_counter), bp->stats_counter);
 892                 return -EAGAIN;
 893         }
 894
 895         if (le16_to_cpu(counters->ustats_counter) != cur_stats_counter) {
 896                 DP(BNX2X_MSG_STATS,
 897                    "stats not updated by ustorm  ustorm counter (0x%x) != stats_counter (0x%x)\n",
 898                    le16_to_cpu(counters->ustats_counter), bp->stats_counter);
 899                 return -EAGAIN;
 900         }
 901
 902         if (le16_to_cpu(counters->cstats_counter) != cur_stats_counter) {
 903                 DP(BNX2X_MSG_STATS,
 904                    "stats not updated by cstorm  cstorm counter (0x%x) != stats_counter (0x%x)\n",
 905                    le16_to_cpu(counters->cstats_counter), bp->stats_counter);
 906                 return -EAGAIN;
 907         }
 908
 909         if (le16_to_cpu(counters->tstats_counter) != cur_stats_counter) {
 910                 DP(BNX2X_MSG_STATS,
 911                    "stats not updated by tstorm  tstorm counter (0x%x) != stats_counter (0x%x)\n",
 912                    le16_to_cpu(counters->tstats_counter), bp->stats_counter);
 913                 return -EAGAIN;
 914         }
 915         return 0;
 916 }
 917
 918 static int bnx2x_storm_stats_update(struct bnx2x *bp)
 919 {
 920         struct tstorm_per_port_stats *tport =
 921                                 &bp->fw_stats_data->port.tstorm_port_statistics;
 922         struct tstorm_per_pf_stats *tfunc =
 923                                 &bp->fw_stats_data->pf.tstorm_pf_statistics;
 924         struct host_func_stats *fstats = &bp->func_stats;
 925         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 926         struct bnx2x_eth_stats_old *estats_old = &bp->eth_stats_old;
 927         int i;
 928
 929         /* vfs stat counter is managed by pf */
 930         if (IS_PF(bp) && bnx2x_storm_stats_validate_counters(bp))
 931                 return -EAGAIN;
 932
 933         estats->error_bytes_received_hi = 0;
 934         estats->error_bytes_received_lo = 0;
 935
 936         for_each_eth_queue(bp, i) {
 937                 struct bnx2x_fastpath *fp = &bp->fp[i];
 938                 struct tstorm_per_queue_stats *tclient =
 939                         &bp->fw_stats_data->queue_stats[i].
 940                         tstorm_queue_statistics;
 941                 struct tstorm_per_queue_stats *old_tclient =
 942                         &bnx2x_fp_stats(bp, fp)->old_tclient;
 943                 struct ustorm_per_queue_stats *uclient =
 944                         &bp->fw_stats_data->queue_stats[i].
 945                         ustorm_queue_statistics;
 946                 struct ustorm_per_queue_stats *old_uclient =
 947                         &bnx2x_fp_stats(bp, fp)->old_uclient;
 948                 struct xstorm_per_queue_stats *xclient =
 949                         &bp->fw_stats_data->queue_stats[i].
 950                         xstorm_queue_statistics;
 951                 struct xstorm_per_queue_stats *old_xclient =
 952                         &bnx2x_fp_stats(bp, fp)->old_xclient;
 953                 struct bnx2x_eth_q_stats *qstats =
 954                         &bnx2x_fp_stats(bp, fp)->eth_q_stats;
 955                 struct bnx2x_eth_q_stats_old *qstats_old =
 956                         &bnx2x_fp_stats(bp, fp)->eth_q_stats_old;
 957
 958                 u32 diff;
 959
 960                 DP(BNX2X_MSG_STATS, "queue[%d]: ucast_sent 0x%x, bcast_sent 0x%x mcast_sent 0x%x\n",
 961                    i, xclient->ucast_pkts_sent,
 962                    xclient->bcast_pkts_sent, xclient->mcast_pkts_sent);
 963
 964                 DP(BNX2X_MSG_STATS, "---------------\n");
 965
 966                 UPDATE_QSTAT(tclient->rcv_bcast_bytes,
 967                              total_broadcast_bytes_received);
 968                 UPDATE_QSTAT(tclient->rcv_mcast_bytes,
 969                              total_multicast_bytes_received);
 970                 UPDATE_QSTAT(tclient->rcv_ucast_bytes,
 971                              total_unicast_bytes_received);
 972
 973                 /*
 974                  * sum to total_bytes_received all
 975                  * unicast/multicast/broadcast
 976                  */
 977                 qstats->total_bytes_received_hi =
 978                         qstats->total_broadcast_bytes_received_hi;
 979                 qstats->total_bytes_received_lo =
 980                         qstats->total_broadcast_bytes_received_lo;
 981
 982                 ADD_64(qstats->total_bytes_received_hi,
 983                        qstats->total_multicast_bytes_received_hi,
 984                        qstats->total_bytes_received_lo,
 985                        qstats->total_multicast_bytes_received_lo);
 986
 987                 ADD_64(qstats->total_bytes_received_hi,
 988                        qstats->total_unicast_bytes_received_hi,
 989                        qstats->total_bytes_received_lo,
 990                        qstats->total_unicast_bytes_received_lo);
 991
 992                 qstats->valid_bytes_received_hi =
 993                                         qstats->total_bytes_received_hi;
 994                 qstats->valid_bytes_received_lo =
 995                                         qstats->total_bytes_received_lo;
 996
 997                 UPDATE_EXTEND_TSTAT(rcv_ucast_pkts,
 998                                         total_unicast_packets_received);
 999                 UPDATE_EXTEND_TSTAT(rcv_mcast_pkts,
1000                                         total_multicast_packets_received);
1001                 UPDATE_EXTEND_TSTAT(rcv_bcast_pkts,
1002                                         total_broadcast_packets_received);
1003                 UPDATE_EXTEND_E_TSTAT(pkts_too_big_discard,
1004                                       etherstatsoverrsizepkts, 32);
1005                 UPDATE_EXTEND_E_TSTAT(no_buff_discard, no_buff_discard, 16);
1006
1007                 SUB_EXTEND_USTAT(ucast_no_buff_pkts,
1008                                         total_unicast_packets_received);
1009                 SUB_EXTEND_USTAT(mcast_no_buff_pkts,
1010                                         total_multicast_packets_received);
1011                 SUB_EXTEND_USTAT(bcast_no_buff_pkts,
1012                                         total_broadcast_packets_received);
1013                 UPDATE_EXTEND_E_USTAT(ucast_no_buff_pkts, no_buff_discard);
1014                 UPDATE_EXTEND_E_USTAT(mcast_no_buff_pkts, no_buff_discard);
1015                 UPDATE_EXTEND_E_USTAT(bcast_no_buff_pkts, no_buff_discard);
1016
1017                 UPDATE_QSTAT(xclient->bcast_bytes_sent,
1018                              total_broadcast_bytes_transmitted);
1019                 UPDATE_QSTAT(xclient->mcast_bytes_sent,
1020                              total_multicast_bytes_transmitted);
1021                 UPDATE_QSTAT(xclient->ucast_bytes_sent,
1022                              total_unicast_bytes_transmitted);
1023
1024                 /*
1025                  * sum to total_bytes_transmitted all
1026                  * unicast/multicast/broadcast
1027                  */
1028                 qstats->total_bytes_transmitted_hi =
1029                                 qstats->total_unicast_bytes_transmitted_hi;
1030                 qstats->total_bytes_transmitted_lo =
1031                                 qstats->total_unicast_bytes_transmitted_lo;
1032
1033                 ADD_64(qstats->total_bytes_transmitted_hi,
1034                        qstats->total_broadcast_bytes_transmitted_hi,
1035                        qstats->total_bytes_transmitted_lo,
1036                        qstats->total_broadcast_bytes_transmitted_lo);
1037
1038                 ADD_64(qstats->total_bytes_transmitted_hi,
1039                        qstats->total_multicast_bytes_transmitted_hi,
1040                        qstats->total_bytes_transmitted_lo,
1041                        qstats->total_multicast_bytes_transmitted_lo);
1042
1043                 UPDATE_EXTEND_XSTAT(ucast_pkts_sent,
1044                                         total_unicast_packets_transmitted);
1045                 UPDATE_EXTEND_XSTAT(mcast_pkts_sent,
1046                                         total_multicast_packets_transmitted);
1047                 UPDATE_EXTEND_XSTAT(bcast_pkts_sent,
1048                                         total_broadcast_packets_transmitted);
1049
1050                 UPDATE_EXTEND_TSTAT(checksum_discard,
1051                                     total_packets_received_checksum_discarded);
1052                 UPDATE_EXTEND_TSTAT(ttl0_discard,
1053                                     total_packets_received_ttl0_discarded);
1054
1055                 UPDATE_EXTEND_XSTAT(error_drop_pkts,
1056                                     total_transmitted_dropped_packets_error);
1057
1058                 /* TPA aggregations completed */
1059                 UPDATE_EXTEND_E_USTAT(coalesced_events, total_tpa_aggregations);
1060                 /* Number of network frames aggregated by TPA */
1061                 UPDATE_EXTEND_E_USTAT(coalesced_pkts,
1062                                       total_tpa_aggregated_frames);
1063                 /* Total number of bytes in completed TPA aggregations */
1064                 UPDATE_QSTAT(uclient->coalesced_bytes, total_tpa_bytes);
1065
1066                 UPDATE_ESTAT_QSTAT_64(total_tpa_bytes);
1067
1068                 UPDATE_FSTAT_QSTAT(total_bytes_received);
1069                 UPDATE_FSTAT_QSTAT(total_bytes_transmitted);
1070                 UPDATE_FSTAT_QSTAT(total_unicast_packets_received);
1071                 UPDATE_FSTAT_QSTAT(total_multicast_packets_received);
1072                 UPDATE_FSTAT_QSTAT(total_broadcast_packets_received);
1073                 UPDATE_FSTAT_QSTAT(total_unicast_packets_transmitted);
1074                 UPDATE_FSTAT_QSTAT(total_multicast_packets_transmitted);
1075                 UPDATE_FSTAT_QSTAT(total_broadcast_packets_transmitted);
1076                 UPDATE_FSTAT_QSTAT(valid_bytes_received);
1077         }
1078
1079         ADD_64(estats->total_bytes_received_hi,
1080                estats->rx_stat_ifhcinbadoctets_hi,
1081                estats->total_bytes_received_lo,
1082                estats->rx_stat_ifhcinbadoctets_lo);
1083
1084         ADD_64_LE(estats->total_bytes_received_hi,
1085                   tfunc->rcv_error_bytes.hi,
1086                   estats->total_bytes_received_lo,
1087                   tfunc->rcv_error_bytes.lo);
1088
1089         ADD_64_LE(estats->error_bytes_received_hi,
1090                   tfunc->rcv_error_bytes.hi,
1091                   estats->error_bytes_received_lo,
1092                   tfunc->rcv_error_bytes.lo);
1093
1094         UPDATE_ESTAT(etherstatsoverrsizepkts, rx_stat_dot3statsframestoolong);
1095
1096         ADD_64(estats->error_bytes_received_hi,
1097                estats->rx_stat_ifhcinbadoctets_hi,
1098                estats->error_bytes_received_lo,
1099                estats->rx_stat_ifhcinbadoctets_lo);
1100
1101         if (bp->port.pmf) {
1102                 struct bnx2x_fw_port_stats_old *fwstats = &bp->fw_stats_old;
1103                 UPDATE_FW_STAT(mac_filter_discard);
1104                 UPDATE_FW_STAT(mf_tag_discard);
1105                 UPDATE_FW_STAT(brb_truncate_discard);
1106                 UPDATE_FW_STAT(mac_discard);
1107         }
1108
1109         fstats->host_func_stats_start = ++fstats->host_func_stats_end;
1110
1111         bp->stats_pending = 0;
1112
1113         return 0;
1114 }
1115
1116 static void bnx2x_net_stats_update(struct bnx2x *bp)
1117 {
1118         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1119         struct net_device_stats *nstats = &bp->dev->stats;
1120         unsigned long tmp;
1121         int i;
1122
1123         nstats->rx_packets =
1124                 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
1125                 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
1126                 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
1127
1128         nstats->tx_packets =
1129                 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
1130                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
1131                 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
1132
1133         nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi);
1134
1135         nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
1136
1137         tmp = estats->mac_discard;
1138         for_each_rx_queue(bp, i) {
1139                 struct tstorm_per_queue_stats *old_tclient =
1140                         &bp->fp_stats[i].old_tclient;
1141                 tmp += le32_to_cpu(old_tclient->checksum_discard);
1142         }
1143         nstats->rx_dropped = tmp + bp->net_stats_old.rx_dropped;
1144
1145         nstats->tx_dropped = 0;
1146
1147         nstats->multicast =
1148                 bnx2x_hilo(&estats->total_multicast_packets_received_hi);
1149
1150         nstats->collisions =
1151                 bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi);
1152
1153         nstats->rx_length_errors =
1154                 bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) +
1155                 bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi);
1156         nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) +
1157                                  bnx2x_hilo(&estats->brb_truncate_hi);
1158         nstats->rx_crc_errors =
1159                 bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi);
1160         nstats->rx_frame_errors =
1161                 bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi);
1162         nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi);
1163         nstats->rx_missed_errors = 0;
1164
1165         nstats->rx_errors = nstats->rx_length_errors +
1166                             nstats->rx_over_errors +
1167                             nstats->rx_crc_errors +
1168                             nstats->rx_frame_errors +
1169                             nstats->rx_fifo_errors +
1170                             nstats->rx_missed_errors;
1171
1172         nstats->tx_aborted_errors =
1173                 bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) +
1174                 bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi);
1175         nstats->tx_carrier_errors =
1176                 bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi);
1177         nstats->tx_fifo_errors = 0;
1178         nstats->tx_heartbeat_errors = 0;
1179         nstats->tx_window_errors = 0;
1180
1181         nstats->tx_errors = nstats->tx_aborted_errors +
1182                             nstats->tx_carrier_errors +
1183             bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi);
1184 }
1185
1186 static void bnx2x_drv_stats_update(struct bnx2x *bp)
1187 {
1188         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1189         int i;
1190
1191         for_each_queue(bp, i) {
1192                 struct bnx2x_eth_q_stats *qstats = &bp->fp_stats[i].eth_q_stats;
1193                 struct bnx2x_eth_q_stats_old *qstats_old =
1194                         &bp->fp_stats[i].eth_q_stats_old;
1195
1196                 UPDATE_ESTAT_QSTAT(driver_xoff);
1197                 UPDATE_ESTAT_QSTAT(rx_err_discard_pkt);
1198                 UPDATE_ESTAT_QSTAT(rx_skb_alloc_failed);
1199                 UPDATE_ESTAT_QSTAT(hw_csum_err);
1200                 UPDATE_ESTAT_QSTAT(driver_filtered_tx_pkt);
1201         }
1202 }
1203
1204 static bool bnx2x_edebug_stats_stopped(struct bnx2x *bp)
1205 {
1206         u32 val;
1207
1208         if (SHMEM2_HAS(bp, edebug_driver_if[1])) {
1209                 val = SHMEM2_RD(bp, edebug_driver_if[1]);
1210
1211                 if (val == EDEBUG_DRIVER_IF_OP_CODE_DISABLE_STAT)
1212                         return true;
1213         }
1214
1215         return false;
1216 }
1217
1218 static void bnx2x_stats_update(struct bnx2x *bp)
1219 {
1220         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1221
1222         if (bnx2x_edebug_stats_stopped(bp))
1223                 return;
1224
1225         if (IS_PF(bp)) {
1226                 if (*stats_comp != DMAE_COMP_VAL)
1227                         return;
1228
1229                 if (bp->port.pmf)
1230                         bnx2x_hw_stats_update(bp);
1231
1232                 if (bnx2x_storm_stats_update(bp)) {
1233                         if (bp->stats_pending++ == 3) {
1234                                 BNX2X_ERR("storm stats were not updated for 3 times\n");
1235                                 bnx2x_panic();
1236                         }
1237                         return;
1238                 }
1239         } else {
1240                 /* vf doesn't collect HW statistics, and doesn't get completions
1241                  * perform only update
1242                  */
1243                 bnx2x_storm_stats_update(bp);
1244         }
1245
1246         bnx2x_net_stats_update(bp);
1247         bnx2x_drv_stats_update(bp);
1248
1249         /* vf is done */
1250         if (IS_VF(bp))
1251                 return;
1252
1253         if (netif_msg_timer(bp)) {
1254                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
1255
1256                 netdev_dbg(bp->dev, "brb drops %u  brb truncate %u\n",
1257                        estats->brb_drop_lo, estats->brb_truncate_lo);
1258         }
1259
1260         bnx2x_hw_stats_post(bp);
1261         bnx2x_storm_stats_post(bp);
1262 }
1263
1264 static void bnx2x_port_stats_stop(struct bnx2x *bp)
1265 {
1266         struct dmae_command *dmae;
1267         u32 opcode;
1268         int loader_idx = PMF_DMAE_C(bp);
1269         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1270
1271         bp->executer_idx = 0;
1272
1273         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC, false, 0);
1274
1275         if (bp->port.port_stx) {
1276
1277                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1278                 if (bp->func_stx)
1279                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1280                                                 opcode, DMAE_COMP_GRC);
1281                 else
1282                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1283                                                 opcode, DMAE_COMP_PCI);
1284
1285                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1286                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1287                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
1288                 dmae->dst_addr_hi = 0;
1289                 dmae->len = bnx2x_get_port_stats_dma_len(bp);
1290                 if (bp->func_stx) {
1291                         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
1292                         dmae->comp_addr_hi = 0;
1293                         dmae->comp_val = 1;
1294                 } else {
1295                         dmae->comp_addr_lo =
1296                                 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1297                         dmae->comp_addr_hi =
1298                                 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1299                         dmae->comp_val = DMAE_COMP_VAL;
1300
1301                         *stats_comp = 0;
1302                 }
1303         }
1304
1305         if (bp->func_stx) {
1306
1307                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1308                 dmae->opcode =
1309                         bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
1310                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
1311                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
1312                 dmae->dst_addr_lo = bp->func_stx >> 2;
1313                 dmae->dst_addr_hi = 0;
1314                 dmae->len = sizeof(struct host_func_stats) >> 2;
1315                 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1316                 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1317                 dmae->comp_val = DMAE_COMP_VAL;
1318
1319                 *stats_comp = 0;
1320         }
1321 }
1322
1323 static void bnx2x_stats_stop(struct bnx2x *bp)
1324 {
1325         bool update = false;
1326
1327         bnx2x_stats_comp(bp);
1328
1329         if (bp->port.pmf)
1330                 update = (bnx2x_hw_stats_update(bp) == 0);
1331
1332         update |= (bnx2x_storm_stats_update(bp) == 0);
1333
1334         if (update) {
1335                 bnx2x_net_stats_update(bp);
1336
1337                 if (bp->port.pmf)
1338                         bnx2x_port_stats_stop(bp);
1339
1340                 bnx2x_hw_stats_post(bp);
1341                 bnx2x_stats_comp(bp);
1342         }
1343 }
1344
1345 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
1346 {
1347 }
1348
1349 static const struct {
1350         void (*action)(struct bnx2x *bp);
1351         enum bnx2x_stats_state next_state;
1352 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
1353 /* state        event   */
1354 {
1355 /* DISABLED     PMF     */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
1356 /*              LINK_UP */ {bnx2x_stats_start,      STATS_STATE_ENABLED},
1357 /*              UPDATE  */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
1358 /*              STOP    */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
1359 },
1360 {
1361 /* ENABLED      PMF     */ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
1362 /*              LINK_UP */ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
1363 /*              UPDATE  */ {bnx2x_stats_update,     STATS_STATE_ENABLED},
1364 /*              STOP    */ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
1365 }
1366 };
1367
1368 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
1369 {
1370         enum bnx2x_stats_state state = bp->stats_state;
1371
1372         if (unlikely(bp->panic))
1373                 return;
1374
1375         /* Statistics update run from timer context, and we don't want to stop
1376          * that context in case someone is in the middle of a transition.
1377          * For other events, wait a bit until lock is taken.
1378          */
1379         if (down_trylock(&bp->stats_lock)) {
1380                 if (event == STATS_EVENT_UPDATE)
1381                         return;
1382
1383                 DP(BNX2X_MSG_STATS,
1384                    "Unlikely stats' lock contention [event %d]\n", event);
1385                 if (unlikely(down_timeout(&bp->stats_lock, HZ / 10))) {
1386                         BNX2X_ERR("Failed to take stats lock [event %d]\n",
1387                                   event);
1388                         return;
1389                 }
1390         }
1391
1392         bnx2x_stats_stm[state][event].action(bp);
1393         bp->stats_state = bnx2x_stats_stm[state][event].next_state;
1394
1395         up(&bp->stats_lock);
1396
1397         if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
1398                 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
1399                    state, event, bp->stats_state);
1400 }
1401
1402 static void bnx2x_port_stats_base_init(struct bnx2x *bp)
1403 {
1404         struct dmae_command *dmae;
1405         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1406
1407         /* sanity */
1408         if (!bp->port.pmf || !bp->port.port_stx) {
1409                 BNX2X_ERR("BUG!\n");
1410                 return;
1411         }
1412
1413         bp->executer_idx = 0;
1414
1415         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1416         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
1417                                          true, DMAE_COMP_PCI);
1418         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1419         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1420         dmae->dst_addr_lo = bp->port.port_stx >> 2;
1421         dmae->dst_addr_hi = 0;
1422         dmae->len = bnx2x_get_port_stats_dma_len(bp);
1423         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1424         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1425         dmae->comp_val = DMAE_COMP_VAL;
1426
1427         *stats_comp = 0;
1428         bnx2x_hw_stats_post(bp);
1429         bnx2x_stats_comp(bp);
1430 }
1431
1432 /* This function will prepare the statistics ramrod data the way
1433  * we will only have to increment the statistics counter and
1434  * send the ramrod each time we have to.
1435  */
1436 static void bnx2x_prep_fw_stats_req(struct bnx2x *bp)
1437 {
1438         int i;
1439         int first_queue_query_index;
1440         struct stats_query_header *stats_hdr = &bp->fw_stats_req->hdr;
1441
1442         dma_addr_t cur_data_offset;
1443         struct stats_query_entry *cur_query_entry;
1444
1445         stats_hdr->cmd_num = bp->fw_stats_num;
1446         stats_hdr->drv_stats_counter = 0;
1447
1448         /* storm_counters struct contains the counters of completed
1449          * statistics requests per storm which are incremented by FW
1450          * each time it completes hadning a statistics ramrod. We will
1451          * check these counters in the timer handler and discard a
1452          * (statistics) ramrod completion.
1453          */
1454         cur_data_offset = bp->fw_stats_data_mapping +
1455                 offsetof(struct bnx2x_fw_stats_data, storm_counters);
1456
1457         stats_hdr->stats_counters_addrs.hi =
1458                 cpu_to_le32(U64_HI(cur_data_offset));
1459         stats_hdr->stats_counters_addrs.lo =
1460                 cpu_to_le32(U64_LO(cur_data_offset));
1461
1462         /* prepare to the first stats ramrod (will be completed with
1463          * the counters equal to zero) - init counters to somethig different.
1464          */
1465         memset(&bp->fw_stats_data->storm_counters, 0xff,
1466                sizeof(struct stats_counter));
1467
1468         /**** Port FW statistics data ****/
1469         cur_data_offset = bp->fw_stats_data_mapping +
1470                 offsetof(struct bnx2x_fw_stats_data, port);
1471
1472         cur_query_entry = &bp->fw_stats_req->query[BNX2X_PORT_QUERY_IDX];
1473
1474         cur_query_entry->kind = STATS_TYPE_PORT;
1475         /* For port query index is a DONT CARE */
1476         cur_query_entry->index = BP_PORT(bp);
1477         /* For port query funcID is a DONT CARE */
1478         cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1479         cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1480         cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1481
1482         /**** PF FW statistics data ****/
1483         cur_data_offset = bp->fw_stats_data_mapping +
1484                 offsetof(struct bnx2x_fw_stats_data, pf);
1485
1486         cur_query_entry = &bp->fw_stats_req->query[BNX2X_PF_QUERY_IDX];
1487
1488         cur_query_entry->kind = STATS_TYPE_PF;
1489         /* For PF query index is a DONT CARE */
1490         cur_query_entry->index = BP_PORT(bp);
1491         cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1492         cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1493         cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1494
1495         /**** FCoE FW statistics data ****/
1496         if (!NO_FCOE(bp)) {
1497                 cur_data_offset = bp->fw_stats_data_mapping +
1498                         offsetof(struct bnx2x_fw_stats_data, fcoe);
1499
1500                 cur_query_entry =
1501                         &bp->fw_stats_req->query[BNX2X_FCOE_QUERY_IDX];
1502
1503                 cur_query_entry->kind = STATS_TYPE_FCOE;
1504                 /* For FCoE query index is a DONT CARE */
1505                 cur_query_entry->index = BP_PORT(bp);
1506                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1507                 cur_query_entry->address.hi =
1508                         cpu_to_le32(U64_HI(cur_data_offset));
1509                 cur_query_entry->address.lo =
1510                         cpu_to_le32(U64_LO(cur_data_offset));
1511         }
1512
1513         /**** Clients' queries ****/
1514         cur_data_offset = bp->fw_stats_data_mapping +
1515                 offsetof(struct bnx2x_fw_stats_data, queue_stats);
1516
1517         /* first queue query index depends whether FCoE offloaded request will
1518          * be included in the ramrod
1519          */
1520         if (!NO_FCOE(bp))
1521                 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX;
1522         else
1523                 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - 1;
1524
1525         for_each_eth_queue(bp, i) {
1526                 cur_query_entry =
1527                         &bp->fw_stats_req->
1528                                         query[first_queue_query_index + i];
1529
1530                 cur_query_entry->kind = STATS_TYPE_QUEUE;
1531                 cur_query_entry->index = bnx2x_stats_id(&bp->fp[i]);
1532                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1533                 cur_query_entry->address.hi =
1534                         cpu_to_le32(U64_HI(cur_data_offset));
1535                 cur_query_entry->address.lo =
1536                         cpu_to_le32(U64_LO(cur_data_offset));
1537
1538                 cur_data_offset += sizeof(struct per_queue_stats);
1539         }
1540
1541         /* add FCoE queue query if needed */
1542         if (!NO_FCOE(bp)) {
1543                 cur_query_entry =
1544                         &bp->fw_stats_req->
1545                                         query[first_queue_query_index + i];
1546
1547                 cur_query_entry->kind = STATS_TYPE_QUEUE;
1548                 cur_query_entry->index = bnx2x_stats_id(&bp->fp[FCOE_IDX(bp)]);
1549                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1550                 cur_query_entry->address.hi =
1551                         cpu_to_le32(U64_HI(cur_data_offset));
1552                 cur_query_entry->address.lo =
1553                         cpu_to_le32(U64_LO(cur_data_offset));
1554         }
1555 }
1556
1557 void bnx2x_memset_stats(struct bnx2x *bp)
1558 {
1559         int i;
1560
1561         /* function stats */
1562         for_each_queue(bp, i) {
1563                 struct bnx2x_fp_stats *fp_stats = &bp->fp_stats[i];
1564
1565                 memset(&fp_stats->old_tclient, 0,
1566                        sizeof(fp_stats->old_tclient));
1567                 memset(&fp_stats->old_uclient, 0,
1568                        sizeof(fp_stats->old_uclient));
1569                 memset(&fp_stats->old_xclient, 0,
1570                        sizeof(fp_stats->old_xclient));
1571                 if (bp->stats_init) {
1572                         memset(&fp_stats->eth_q_stats, 0,
1573                                sizeof(fp_stats->eth_q_stats));
1574                         memset(&fp_stats->eth_q_stats_old, 0,
1575                                sizeof(fp_stats->eth_q_stats_old));
1576                 }
1577         }
1578
1579         memset(&bp->dev->stats, 0, sizeof(bp->dev->stats));
1580
1581         if (bp->stats_init) {
1582                 memset(&bp->net_stats_old, 0, sizeof(bp->net_stats_old));
1583                 memset(&bp->fw_stats_old, 0, sizeof(bp->fw_stats_old));
1584                 memset(&bp->eth_stats_old, 0, sizeof(bp->eth_stats_old));
1585                 memset(&bp->eth_stats, 0, sizeof(bp->eth_stats));
1586                 memset(&bp->func_stats, 0, sizeof(bp->func_stats));
1587         }
1588
1589         bp->stats_state = STATS_STATE_DISABLED;
1590
1591         if (bp->port.pmf && bp->port.port_stx)
1592                 bnx2x_port_stats_base_init(bp);
1593
1594         /* mark the end of statistics initialization */
1595         bp->stats_init = false;
1596 }
1597
1598 void bnx2x_stats_init(struct bnx2x *bp)
1599 {
1600         int /*abs*/port = BP_PORT(bp);
1601         int mb_idx = BP_FW_MB_IDX(bp);
1602
1603         if (IS_VF(bp)) {
1604                 bnx2x_memset_stats(bp);
1605                 return;
1606         }
1607
1608         bp->stats_pending = 0;
1609         bp->executer_idx = 0;
1610         bp->stats_counter = 0;
1611
1612         /* port and func stats for management */
1613         if (!BP_NOMCP(bp)) {
1614                 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
1615                 bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1616
1617         } else {
1618                 bp->port.port_stx = 0;
1619                 bp->func_stx = 0;
1620         }
1621         DP(BNX2X_MSG_STATS, "port_stx 0x%x  func_stx 0x%x\n",
1622            bp->port.port_stx, bp->func_stx);
1623
1624         /* pmf should retrieve port statistics from SP on a non-init*/
1625         if (!bp->stats_init && bp->port.pmf && bp->port.port_stx)
1626                 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
1627
1628         port = BP_PORT(bp);
1629         /* port stats */
1630         memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
1631         bp->port.old_nig_stats.brb_discard =
1632                         REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
1633         bp->port.old_nig_stats.brb_truncate =
1634                         REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
1635         if (!CHIP_IS_E3(bp)) {
1636                 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
1637                             &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
1638                 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
1639                             &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
1640         }
1641
1642         /* Prepare statistics ramrod data */
1643         bnx2x_prep_fw_stats_req(bp);
1644
1645         /* Clean SP from previous statistics */
1646         if (bp->stats_init) {
1647                 if (bp->func_stx) {
1648                         memset(bnx2x_sp(bp, func_stats), 0,
1649                                sizeof(struct host_func_stats));
1650                         bnx2x_func_stats_init(bp);
1651                         bnx2x_hw_stats_post(bp);
1652                         bnx2x_stats_comp(bp);
1653                 }
1654         }
1655
1656         bnx2x_memset_stats(bp);
1657 }
1658
1659 void bnx2x_save_statistics(struct bnx2x *bp)
1660 {
1661         int i;
1662         struct net_device_stats *nstats = &bp->dev->stats;
1663
1664         /* save queue statistics */
1665         for_each_eth_queue(bp, i) {
1666                 struct bnx2x_fastpath *fp = &bp->fp[i];
1667                 struct bnx2x_eth_q_stats *qstats =
1668                         &bnx2x_fp_stats(bp, fp)->eth_q_stats;
1669                 struct bnx2x_eth_q_stats_old *qstats_old =
1670                         &bnx2x_fp_stats(bp, fp)->eth_q_stats_old;
1671
1672                 UPDATE_QSTAT_OLD(total_unicast_bytes_received_hi);
1673                 UPDATE_QSTAT_OLD(total_unicast_bytes_received_lo);
1674                 UPDATE_QSTAT_OLD(total_broadcast_bytes_received_hi);
1675                 UPDATE_QSTAT_OLD(total_broadcast_bytes_received_lo);
1676                 UPDATE_QSTAT_OLD(total_multicast_bytes_received_hi);
1677                 UPDATE_QSTAT_OLD(total_multicast_bytes_received_lo);
1678                 UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_hi);
1679                 UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_lo);
1680                 UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_hi);
1681                 UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_lo);
1682                 UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_hi);
1683                 UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_lo);
1684                 UPDATE_QSTAT_OLD(total_tpa_bytes_hi);
1685                 UPDATE_QSTAT_OLD(total_tpa_bytes_lo);
1686         }
1687
1688         /* save net_device_stats statistics */
1689         bp->net_stats_old.rx_dropped = nstats->rx_dropped;
1690
1691         /* store port firmware statistics */
1692         if (bp->port.pmf && IS_MF(bp)) {
1693                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
1694                 struct bnx2x_fw_port_stats_old *fwstats = &bp->fw_stats_old;
1695                 UPDATE_FW_STAT_OLD(mac_filter_discard);
1696                 UPDATE_FW_STAT_OLD(mf_tag_discard);
1697                 UPDATE_FW_STAT_OLD(brb_truncate_discard);
1698                 UPDATE_FW_STAT_OLD(mac_discard);
1699         }
1700 }
1701
1702 void bnx2x_afex_collect_stats(struct bnx2x *bp, void *void_afex_stats,
1703                               u32 stats_type)
1704 {
1705         int i;
1706         struct afex_stats *afex_stats = (struct afex_stats *)void_afex_stats;
1707         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1708         struct per_queue_stats *fcoe_q_stats =
1709                 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)];
1710
1711         struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
1712                 &fcoe_q_stats->tstorm_queue_statistics;
1713
1714         struct ustorm_per_queue_stats *fcoe_q_ustorm_stats =
1715                 &fcoe_q_stats->ustorm_queue_statistics;
1716
1717         struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
1718                 &fcoe_q_stats->xstorm_queue_statistics;
1719
1720         struct fcoe_statistics_params *fw_fcoe_stat =
1721                 &bp->fw_stats_data->fcoe;
1722
1723         memset(afex_stats, 0, sizeof(struct afex_stats));
1724
1725         for_each_eth_queue(bp, i) {
1726                 struct bnx2x_eth_q_stats *qstats = &bp->fp_stats[i].eth_q_stats;
1727
1728                 ADD_64(afex_stats->rx_unicast_bytes_hi,
1729                        qstats->total_unicast_bytes_received_hi,
1730                        afex_stats->rx_unicast_bytes_lo,
1731                        qstats->total_unicast_bytes_received_lo);
1732
1733                 ADD_64(afex_stats->rx_broadcast_bytes_hi,
1734                        qstats->total_broadcast_bytes_received_hi,
1735                        afex_stats->rx_broadcast_bytes_lo,
1736                        qstats->total_broadcast_bytes_received_lo);
1737
1738                 ADD_64(afex_stats->rx_multicast_bytes_hi,
1739                        qstats->total_multicast_bytes_received_hi,
1740                        afex_stats->rx_multicast_bytes_lo,
1741                        qstats->total_multicast_bytes_received_lo);
1742
1743                 ADD_64(afex_stats->rx_unicast_frames_hi,
1744                        qstats->total_unicast_packets_received_hi,
1745                        afex_stats->rx_unicast_frames_lo,
1746                        qstats->total_unicast_packets_received_lo);
1747
1748                 ADD_64(afex_stats->rx_broadcast_frames_hi,
1749                        qstats->total_broadcast_packets_received_hi,
1750                        afex_stats->rx_broadcast_frames_lo,
1751                        qstats->total_broadcast_packets_received_lo);
1752
1753                 ADD_64(afex_stats->rx_multicast_frames_hi,
1754                        qstats->total_multicast_packets_received_hi,
1755                        afex_stats->rx_multicast_frames_lo,
1756                        qstats->total_multicast_packets_received_lo);
1757
1758                 /* sum to rx_frames_discarded all discraded
1759                  * packets due to size, ttl0 and checksum
1760                  */
1761                 ADD_64(afex_stats->rx_frames_discarded_hi,
1762                        qstats->total_packets_received_checksum_discarded_hi,
1763                        afex_stats->rx_frames_discarded_lo,
1764                        qstats->total_packets_received_checksum_discarded_lo);
1765
1766                 ADD_64(afex_stats->rx_frames_discarded_hi,
1767                        qstats->total_packets_received_ttl0_discarded_hi,
1768                        afex_stats->rx_frames_discarded_lo,
1769                        qstats->total_packets_received_ttl0_discarded_lo);
1770
1771                 ADD_64(afex_stats->rx_frames_discarded_hi,
1772                        qstats->etherstatsoverrsizepkts_hi,
1773                        afex_stats->rx_frames_discarded_lo,
1774                        qstats->etherstatsoverrsizepkts_lo);
1775
1776                 ADD_64(afex_stats->rx_frames_dropped_hi,
1777                        qstats->no_buff_discard_hi,
1778                        afex_stats->rx_frames_dropped_lo,
1779                        qstats->no_buff_discard_lo);
1780
1781                 ADD_64(afex_stats->tx_unicast_bytes_hi,
1782                        qstats->total_unicast_bytes_transmitted_hi,
1783                        afex_stats->tx_unicast_bytes_lo,
1784                        qstats->total_unicast_bytes_transmitted_lo);
1785
1786                 ADD_64(afex_stats->tx_broadcast_bytes_hi,
1787                        qstats->total_broadcast_bytes_transmitted_hi,
1788                        afex_stats->tx_broadcast_bytes_lo,
1789                        qstats->total_broadcast_bytes_transmitted_lo);
1790
1791                 ADD_64(afex_stats->tx_multicast_bytes_hi,
1792                        qstats->total_multicast_bytes_transmitted_hi,
1793                        afex_stats->tx_multicast_bytes_lo,
1794                        qstats->total_multicast_bytes_transmitted_lo);
1795
1796                 ADD_64(afex_stats->tx_unicast_frames_hi,
1797                        qstats->total_unicast_packets_transmitted_hi,
1798                        afex_stats->tx_unicast_frames_lo,
1799                        qstats->total_unicast_packets_transmitted_lo);
1800
1801                 ADD_64(afex_stats->tx_broadcast_frames_hi,
1802                        qstats->total_broadcast_packets_transmitted_hi,
1803                        afex_stats->tx_broadcast_frames_lo,
1804                        qstats->total_broadcast_packets_transmitted_lo);
1805
1806                 ADD_64(afex_stats->tx_multicast_frames_hi,
1807                        qstats->total_multicast_packets_transmitted_hi,
1808                        afex_stats->tx_multicast_frames_lo,
1809                        qstats->total_multicast_packets_transmitted_lo);
1810
1811                 ADD_64(afex_stats->tx_frames_dropped_hi,
1812                        qstats->total_transmitted_dropped_packets_error_hi,
1813                        afex_stats->tx_frames_dropped_lo,
1814                        qstats->total_transmitted_dropped_packets_error_lo);
1815         }
1816
1817         /* now add FCoE statistics which are collected separately
1818          * (both offloaded and non offloaded)
1819          */
1820         if (!NO_FCOE(bp)) {
1821                 ADD_64_LE(afex_stats->rx_unicast_bytes_hi,
1822                           LE32_0,
1823                           afex_stats->rx_unicast_bytes_lo,
1824                           fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
1825
1826                 ADD_64_LE(afex_stats->rx_unicast_bytes_hi,
1827                           fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
1828                           afex_stats->rx_unicast_bytes_lo,
1829                           fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
1830
1831                 ADD_64_LE(afex_stats->rx_broadcast_bytes_hi,
1832                           fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
1833                           afex_stats->rx_broadcast_bytes_lo,
1834                           fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
1835
1836                 ADD_64_LE(afex_stats->rx_multicast_bytes_hi,
1837                           fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
1838                           afex_stats->rx_multicast_bytes_lo,
1839                           fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
1840
1841                 ADD_64_LE(afex_stats->rx_unicast_frames_hi,
1842                           LE32_0,
1843                           afex_stats->rx_unicast_frames_lo,
1844                           fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
1845
1846                 ADD_64_LE(afex_stats->rx_unicast_frames_hi,
1847                           LE32_0,
1848                           afex_stats->rx_unicast_frames_lo,
1849                           fcoe_q_tstorm_stats->rcv_ucast_pkts);
1850
1851                 ADD_64_LE(afex_stats->rx_broadcast_frames_hi,
1852                           LE32_0,
1853                           afex_stats->rx_broadcast_frames_lo,
1854                           fcoe_q_tstorm_stats->rcv_bcast_pkts);
1855
1856                 ADD_64_LE(afex_stats->rx_multicast_frames_hi,
1857                           LE32_0,
1858                           afex_stats->rx_multicast_frames_lo,
1859                           fcoe_q_tstorm_stats->rcv_ucast_pkts);
1860
1861                 ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1862                           LE32_0,
1863                           afex_stats->rx_frames_discarded_lo,
1864                           fcoe_q_tstorm_stats->checksum_discard);
1865
1866                 ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1867                           LE32_0,
1868                           afex_stats->rx_frames_discarded_lo,
1869                           fcoe_q_tstorm_stats->pkts_too_big_discard);
1870
1871                 ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1872                           LE32_0,
1873                           afex_stats->rx_frames_discarded_lo,
1874                           fcoe_q_tstorm_stats->ttl0_discard);
1875
1876                 ADD_64_LE16(afex_stats->rx_frames_dropped_hi,
1877                             LE16_0,
1878                             afex_stats->rx_frames_dropped_lo,
1879                             fcoe_q_tstorm_stats->no_buff_discard);
1880
1881                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1882                           LE32_0,
1883                           afex_stats->rx_frames_dropped_lo,
1884                           fcoe_q_ustorm_stats->ucast_no_buff_pkts);
1885
1886                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1887                           LE32_0,
1888                           afex_stats->rx_frames_dropped_lo,
1889                           fcoe_q_ustorm_stats->mcast_no_buff_pkts);
1890
1891                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1892                           LE32_0,
1893                           afex_stats->rx_frames_dropped_lo,
1894                           fcoe_q_ustorm_stats->bcast_no_buff_pkts);
1895
1896                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1897                           LE32_0,
1898                           afex_stats->rx_frames_dropped_lo,
1899                           fw_fcoe_stat->rx_stat1.fcoe_rx_drop_pkt_cnt);
1900
1901                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1902                           LE32_0,
1903                           afex_stats->rx_frames_dropped_lo,
1904                           fw_fcoe_stat->rx_stat2.fcoe_rx_drop_pkt_cnt);
1905
1906                 ADD_64_LE(afex_stats->tx_unicast_bytes_hi,
1907                           LE32_0,
1908                           afex_stats->tx_unicast_bytes_lo,
1909                           fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
1910
1911                 ADD_64_LE(afex_stats->tx_unicast_bytes_hi,
1912                           fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
1913                           afex_stats->tx_unicast_bytes_lo,
1914                           fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
1915
1916                 ADD_64_LE(afex_stats->tx_broadcast_bytes_hi,
1917                           fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
1918                           afex_stats->tx_broadcast_bytes_lo,
1919                           fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
1920
1921                 ADD_64_LE(afex_stats->tx_multicast_bytes_hi,
1922                           fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
1923                           afex_stats->tx_multicast_bytes_lo,
1924                           fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
1925
1926                 ADD_64_LE(afex_stats->tx_unicast_frames_hi,
1927                           LE32_0,
1928                           afex_stats->tx_unicast_frames_lo,
1929                           fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
1930
1931                 ADD_64_LE(afex_stats->tx_unicast_frames_hi,
1932                           LE32_0,
1933                           afex_stats->tx_unicast_frames_lo,
1934                           fcoe_q_xstorm_stats->ucast_pkts_sent);
1935
1936                 ADD_64_LE(afex_stats->tx_broadcast_frames_hi,
1937                           LE32_0,
1938                           afex_stats->tx_broadcast_frames_lo,
1939                           fcoe_q_xstorm_stats->bcast_pkts_sent);
1940
1941                 ADD_64_LE(afex_stats->tx_multicast_frames_hi,
1942                           LE32_0,
1943                           afex_stats->tx_multicast_frames_lo,
1944                           fcoe_q_xstorm_stats->mcast_pkts_sent);
1945
1946                 ADD_64_LE(afex_stats->tx_frames_dropped_hi,
1947                           LE32_0,
1948                           afex_stats->tx_frames_dropped_lo,
1949                           fcoe_q_xstorm_stats->error_drop_pkts);
1950         }
1951
1952         /* if port stats are requested, add them to the PMF
1953          * stats, as anyway they will be accumulated by the
1954          * MCP before sent to the switch
1955          */
1956         if ((bp->port.pmf) && (stats_type == VICSTATST_UIF_INDEX)) {
1957                 ADD_64(afex_stats->rx_frames_dropped_hi,
1958                        0,
1959                        afex_stats->rx_frames_dropped_lo,
1960                        estats->mac_filter_discard);
1961                 ADD_64(afex_stats->rx_frames_dropped_hi,
1962                        0,
1963                        afex_stats->rx_frames_dropped_lo,
1964                        estats->brb_truncate_discard);
1965                 ADD_64(afex_stats->rx_frames_discarded_hi,
1966                        0,
1967                        afex_stats->rx_frames_discarded_lo,
1968                        estats->mac_discard);
1969         }
1970 }
1971
1972 int bnx2x_stats_safe_exec(struct bnx2x *bp,
1973                           void (func_to_exec)(void *cookie),
1974                           void *cookie)
1975 {
1976         int cnt = 10, rc = 0;
1977
1978         /* Wait for statistics to end [while blocking further requests],
1979          * then run supplied function 'safely'.
1980          */
1981         rc = down_timeout(&bp->stats_lock, HZ / 10);
1982         if (unlikely(rc)) {
1983                 BNX2X_ERR("Failed to take statistics lock for safe execution\n");
1984                 goto out_no_lock;
1985         }
1986
1987         bnx2x_stats_comp(bp);
1988         while (bp->stats_pending && cnt--)
1989                 if (bnx2x_storm_stats_update(bp))
1990                         usleep_range(1000, 2000);
1991         if (bp->stats_pending) {
1992                 BNX2X_ERR("Failed to wait for stats pending to clear [possibly FW is stuck]\n");
1993                 rc = -EBUSY;
1994                 goto out;
1995         }
1996
1997         func_to_exec(cookie);
1998
1999 out:
2000         /* No need to restart statistics - if they're enabled, the timer
2001          * will restart the statistics.
2002          */
2003         up(&bp->stats_lock);
2004 out_no_lock:
2005         return rc;
2006 }