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

   1 /* bnx2x_stats.c: Broadcom Everest network driver.
   2  *
   3  * Copyright (c) 2007-2013 Broadcom Corporation
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation.
   8  *
   9  * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
  10  * Written by: Eliezer Tamir
  11  * Based on code from Michael Chan's bnx2 driver
  12  * UDP CSUM errata workaround by Arik Gendelman
  13  * Slowpath and fastpath rework by Vladislav Zolotarov
  14  * Statistics and Link management by Yitchak Gertner
  15  *
  16  */
  17
  18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  19
  20 #include "bnx2x_stats.h"
  21 #include "bnx2x_cmn.h"
  22 #include "bnx2x_sriov.h"
  23
  24 /* Statistics */
  25
  26 /*
  27  * General service functions
  28  */
  29
  30 static inline long bnx2x_hilo(u32 *hiref)
  31 {
  32         u32 lo = *(hiref + 1);
  33 #if (BITS_PER_LONG == 64)
  34         u32 hi = *hiref;
  35
  36         return HILO_U64(hi, lo);
  37 #else
  38         return lo;
  39 #endif
  40 }
  41
  42 static inline u16 bnx2x_get_port_stats_dma_len(struct bnx2x *bp)
  43 {
  44         u16 res = 0;
  45
  46         /* 'newest' convention - shmem2 cotains the size of the port stats */
  47         if (SHMEM2_HAS(bp, sizeof_port_stats)) {
  48                 u32 size = SHMEM2_RD(bp, sizeof_port_stats);
  49                 if (size)
  50                         res = size;
  51
  52                 /* prevent newer BC from causing buffer overflow */
  53                 if (res > sizeof(struct host_port_stats))
  54                         res = sizeof(struct host_port_stats);
  55         }
  56
  57         /* Older convention - all BCs support the port stats' fields up until
  58          * the 'not_used' field
  59          */
  60         if (!res) {
  61                 res = offsetof(struct host_port_stats, not_used) + 4;
  62
  63                 /* if PFC stats are supported by the MFW, DMA them as well */
  64                 if (bp->flags & BC_SUPPORTS_PFC_STATS) {
  65                         res += offsetof(struct host_port_stats,
  66                                         pfc_frames_rx_lo) -
  67                                offsetof(struct host_port_stats,
  68                                         pfc_frames_tx_hi) + 4 ;
  69                 }
  70         }
  71
  72         res >>= 2;
  73
  74         WARN_ON(res > 2 * DMAE_LEN32_RD_MAX);
  75         return res;
  76 }
  77
  78 /*
  79  * Init service functions
  80  */
  81
  82 static void bnx2x_dp_stats(struct bnx2x *bp)
  83 {
  84         int i;
  85
  86         DP(BNX2X_MSG_STATS, "dumping stats:\n"
  87            "fw_stats_req\n"
  88            "    hdr\n"
  89            "        cmd_num %d\n"
  90            "        reserved0 %d\n"
  91            "        drv_stats_counter %d\n"
  92            "        reserved1 %d\n"
  93            "        stats_counters_addrs %x %x\n",
  94            bp->fw_stats_req->hdr.cmd_num,
  95            bp->fw_stats_req->hdr.reserved0,
  96            bp->fw_stats_req->hdr.drv_stats_counter,
  97            bp->fw_stats_req->hdr.reserved1,
  98            bp->fw_stats_req->hdr.stats_counters_addrs.hi,
  99            bp->fw_stats_req->hdr.stats_counters_addrs.lo);
 100
 101         for (i = 0; i < bp->fw_stats_req->hdr.cmd_num; i++) {
 102                 DP(BNX2X_MSG_STATS,
 103                    "query[%d]\n"
 104                    "              kind %d\n"
 105                    "              index %d\n"
 106                    "              funcID %d\n"
 107                    "              reserved %d\n"
 108                    "              address %x %x\n",
 109                    i, bp->fw_stats_req->query[i].kind,
 110                    bp->fw_stats_req->query[i].index,
 111                    bp->fw_stats_req->query[i].funcID,
 112                    bp->fw_stats_req->query[i].reserved,
 113                    bp->fw_stats_req->query[i].address.hi,
 114                    bp->fw_stats_req->query[i].address.lo);
 115         }
 116 }
 117
 118 /* Post the next statistics ramrod. Protect it with the spin in
 119  * order to ensure the strict order between statistics ramrods
 120  * (each ramrod has a sequence number passed in a
 121  * bp->fw_stats_req->hdr.drv_stats_counter and ramrods must be
 122  * sent in order).
 123  */
 124 static void bnx2x_storm_stats_post(struct bnx2x *bp)
 125 {
 126         if (!bp->stats_pending) {
 127                 int rc;
 128
 129                 spin_lock_bh(&bp->stats_lock);
 130
 131                 if (bp->stats_pending) {
 132                         spin_unlock_bh(&bp->stats_lock);
 133                         return;
 134                 }
 135
 136                 bp->fw_stats_req->hdr.drv_stats_counter =
 137                         cpu_to_le16(bp->stats_counter++);
 138
 139                 DP(BNX2X_MSG_STATS, "Sending statistics ramrod %d\n",
 140                    le16_to_cpu(bp->fw_stats_req->hdr.drv_stats_counter));
 141
 142                 /* adjust the ramrod to include VF queues statistics */
 143                 bnx2x_iov_adjust_stats_req(bp);
 144                 bnx2x_dp_stats(bp);
 145
 146                 /* send FW stats ramrod */
 147                 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STAT_QUERY, 0,
 148                                    U64_HI(bp->fw_stats_req_mapping),
 149                                    U64_LO(bp->fw_stats_req_mapping),
 150                                    NONE_CONNECTION_TYPE);
 151                 if (rc == 0)
 152                         bp->stats_pending = 1;
 153
 154                 spin_unlock_bh(&bp->stats_lock);
 155         }
 156 }
 157
 158 static void bnx2x_hw_stats_post(struct bnx2x *bp)
 159 {
 160         struct dmae_command *dmae = &bp->stats_dmae;
 161         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 162
 163         *stats_comp = DMAE_COMP_VAL;
 164         if (CHIP_REV_IS_SLOW(bp))
 165                 return;
 166
 167         /* Update MCP's statistics if possible */
 168         if (bp->func_stx)
 169                 memcpy(bnx2x_sp(bp, func_stats), &bp->func_stats,
 170                        sizeof(bp->func_stats));
 171
 172         /* loader */
 173         if (bp->executer_idx) {
 174                 int loader_idx = PMF_DMAE_C(bp);
 175                 u32 opcode =  bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 176                                                  true, DMAE_COMP_GRC);
 177                 opcode = bnx2x_dmae_opcode_clr_src_reset(opcode);
 178
 179                 memset(dmae, 0, sizeof(struct dmae_command));
 180                 dmae->opcode = opcode;
 181                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
 182                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
 183                 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
 184                                      sizeof(struct dmae_command) *
 185                                      (loader_idx + 1)) >> 2;
 186                 dmae->dst_addr_hi = 0;
 187                 dmae->len = sizeof(struct dmae_command) >> 2;
 188                 if (CHIP_IS_E1(bp))
 189                         dmae->len--;
 190                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
 191                 dmae->comp_addr_hi = 0;
 192                 dmae->comp_val = 1;
 193
 194                 *stats_comp = 0;
 195                 bnx2x_post_dmae(bp, dmae, loader_idx);
 196
 197         } else if (bp->func_stx) {
 198                 *stats_comp = 0;
 199                 bnx2x_issue_dmae_with_comp(bp, dmae, stats_comp);
 200         }
 201 }
 202
 203 static void bnx2x_stats_comp(struct bnx2x *bp)
 204 {
 205         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 206         int cnt = 10;
 207
 208         might_sleep();
 209         while (*stats_comp != DMAE_COMP_VAL) {
 210                 if (!cnt) {
 211                         BNX2X_ERR("timeout waiting for stats finished\n");
 212                         break;
 213                 }
 214                 cnt--;
 215                 usleep_range(1000, 2000);
 216         }
 217 }
 218
 219 /*
 220  * Statistics service functions
 221  */
 222
 223 /* should be called under stats_sema */
 224 static void __bnx2x_stats_pmf_update(struct bnx2x *bp)
 225 {
 226         struct dmae_command *dmae;
 227         u32 opcode;
 228         int loader_idx = PMF_DMAE_C(bp);
 229         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 230
 231         /* sanity */
 232         if (!bp->port.pmf || !bp->port.port_stx) {
 233                 BNX2X_ERR("BUG!\n");
 234                 return;
 235         }
 236
 237         bp->executer_idx = 0;
 238
 239         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI, false, 0);
 240
 241         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 242         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_GRC);
 243         dmae->src_addr_lo = bp->port.port_stx >> 2;
 244         dmae->src_addr_hi = 0;
 245         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 246         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 247         dmae->len = DMAE_LEN32_RD_MAX;
 248         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 249         dmae->comp_addr_hi = 0;
 250         dmae->comp_val = 1;
 251
 252         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 253         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
 254         dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
 255         dmae->src_addr_hi = 0;
 256         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
 257                                    DMAE_LEN32_RD_MAX * 4);
 258         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
 259                                    DMAE_LEN32_RD_MAX * 4);
 260         dmae->len = bnx2x_get_port_stats_dma_len(bp) - DMAE_LEN32_RD_MAX;
 261
 262         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 263         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 264         dmae->comp_val = DMAE_COMP_VAL;
 265
 266         *stats_comp = 0;
 267         bnx2x_hw_stats_post(bp);
 268         bnx2x_stats_comp(bp);
 269 }
 270
 271 static void bnx2x_port_stats_init(struct bnx2x *bp)
 272 {
 273         struct dmae_command *dmae;
 274         int port = BP_PORT(bp);
 275         u32 opcode;
 276         int loader_idx = PMF_DMAE_C(bp);
 277         u32 mac_addr;
 278         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 279
 280         /* sanity */
 281         if (!bp->link_vars.link_up || !bp->port.pmf) {
 282                 BNX2X_ERR("BUG!\n");
 283                 return;
 284         }
 285
 286         bp->executer_idx = 0;
 287
 288         /* MCP */
 289         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 290                                     true, DMAE_COMP_GRC);
 291
 292         if (bp->port.port_stx) {
 293
 294                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 295                 dmae->opcode = opcode;
 296                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 297                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 298                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
 299                 dmae->dst_addr_hi = 0;
 300                 dmae->len = bnx2x_get_port_stats_dma_len(bp);
 301                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 302                 dmae->comp_addr_hi = 0;
 303                 dmae->comp_val = 1;
 304         }
 305
 306         if (bp->func_stx) {
 307
 308                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 309                 dmae->opcode = opcode;
 310                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 311                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 312                 dmae->dst_addr_lo = bp->func_stx >> 2;
 313                 dmae->dst_addr_hi = 0;
 314                 dmae->len = sizeof(struct host_func_stats) >> 2;
 315                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 316                 dmae->comp_addr_hi = 0;
 317                 dmae->comp_val = 1;
 318         }
 319
 320         /* MAC */
 321         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 322                                    true, DMAE_COMP_GRC);
 323
 324         /* EMAC is special */
 325         if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
 326                 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
 327
 328                 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
 329                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 330                 dmae->opcode = opcode;
 331                 dmae->src_addr_lo = (mac_addr +
 332                                      EMAC_REG_EMAC_RX_STAT_AC) >> 2;
 333                 dmae->src_addr_hi = 0;
 334                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 335                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 336                 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
 337                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 338                 dmae->comp_addr_hi = 0;
 339                 dmae->comp_val = 1;
 340
 341                 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
 342                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 343                 dmae->opcode = opcode;
 344                 dmae->src_addr_lo = (mac_addr +
 345                                      EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
 346                 dmae->src_addr_hi = 0;
 347                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 348                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 349                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 350                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 351                 dmae->len = 1;
 352                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 353                 dmae->comp_addr_hi = 0;
 354                 dmae->comp_val = 1;
 355
 356                 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
 357                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 358                 dmae->opcode = opcode;
 359                 dmae->src_addr_lo = (mac_addr +
 360                                      EMAC_REG_EMAC_TX_STAT_AC) >> 2;
 361                 dmae->src_addr_hi = 0;
 362                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 363                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 364                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 365                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 366                 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
 367                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 368                 dmae->comp_addr_hi = 0;
 369                 dmae->comp_val = 1;
 370         } else {
 371                 u32 tx_src_addr_lo, rx_src_addr_lo;
 372                 u16 rx_len, tx_len;
 373
 374                 /* configure the params according to MAC type */
 375                 switch (bp->link_vars.mac_type) {
 376                 case MAC_TYPE_BMAC:
 377                         mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
 378                                            NIG_REG_INGRESS_BMAC0_MEM);
 379
 380                         /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
 381                            BIGMAC_REGISTER_TX_STAT_GTBYT */
 382                         if (CHIP_IS_E1x(bp)) {
 383                                 tx_src_addr_lo = (mac_addr +
 384                                         BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 385                                 tx_len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
 386                                           BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 387                                 rx_src_addr_lo = (mac_addr +
 388                                         BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 389                                 rx_len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
 390                                           BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 391                         } else {
 392                                 tx_src_addr_lo = (mac_addr +
 393                                         BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 394                                 tx_len = (8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
 395                                           BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 396                                 rx_src_addr_lo = (mac_addr +
 397                                         BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 398                                 rx_len = (8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
 399                                           BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 400                         }
 401                         break;
 402
 403                 case MAC_TYPE_UMAC: /* handled by MSTAT */
 404                 case MAC_TYPE_XMAC: /* handled by MSTAT */
 405                 default:
 406                         mac_addr = port ? GRCBASE_MSTAT1 : GRCBASE_MSTAT0;
 407                         tx_src_addr_lo = (mac_addr +
 408                                           MSTAT_REG_TX_STAT_GTXPOK_LO) >> 2;
 409                         rx_src_addr_lo = (mac_addr +
 410                                           MSTAT_REG_RX_STAT_GR64_LO) >> 2;
 411                         tx_len = sizeof(bp->slowpath->
 412                                         mac_stats.mstat_stats.stats_tx) >> 2;
 413                         rx_len = sizeof(bp->slowpath->
 414                                         mac_stats.mstat_stats.stats_rx) >> 2;
 415                         break;
 416                 }
 417
 418                 /* TX stats */
 419                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 420                 dmae->opcode = opcode;
 421                 dmae->src_addr_lo = tx_src_addr_lo;
 422                 dmae->src_addr_hi = 0;
 423                 dmae->len = tx_len;
 424                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 425                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 426                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 427                 dmae->comp_addr_hi = 0;
 428                 dmae->comp_val = 1;
 429
 430                 /* RX stats */
 431                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 432                 dmae->opcode = opcode;
 433                 dmae->src_addr_hi = 0;
 434                 dmae->src_addr_lo = rx_src_addr_lo;
 435                 dmae->dst_addr_lo =
 436                         U64_LO(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 437                 dmae->dst_addr_hi =
 438                         U64_HI(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 439                 dmae->len = rx_len;
 440                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 441                 dmae->comp_addr_hi = 0;
 442                 dmae->comp_val = 1;
 443         }
 444
 445         /* NIG */
 446         if (!CHIP_IS_E3(bp)) {
 447                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 448                 dmae->opcode = opcode;
 449                 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
 450                                             NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
 451                 dmae->src_addr_hi = 0;
 452                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 453                                 offsetof(struct nig_stats, egress_mac_pkt0_lo));
 454                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 455                                 offsetof(struct nig_stats, egress_mac_pkt0_lo));
 456                 dmae->len = (2*sizeof(u32)) >> 2;
 457                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 458                 dmae->comp_addr_hi = 0;
 459                 dmae->comp_val = 1;
 460
 461                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 462                 dmae->opcode = opcode;
 463                 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
 464                                             NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
 465                 dmae->src_addr_hi = 0;
 466                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 467                                 offsetof(struct nig_stats, egress_mac_pkt1_lo));
 468                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 469                                 offsetof(struct nig_stats, egress_mac_pkt1_lo));
 470                 dmae->len = (2*sizeof(u32)) >> 2;
 471                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 472                 dmae->comp_addr_hi = 0;
 473                 dmae->comp_val = 1;
 474         }
 475
 476         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 477         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 478                                                  true, DMAE_COMP_PCI);
 479         dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
 480                                     NIG_REG_STAT0_BRB_DISCARD) >> 2;
 481         dmae->src_addr_hi = 0;
 482         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
 483         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
 484         dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
 485
 486         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 487         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 488         dmae->comp_val = DMAE_COMP_VAL;
 489
 490         *stats_comp = 0;
 491 }
 492
 493 static void bnx2x_func_stats_init(struct bnx2x *bp)
 494 {
 495         struct dmae_command *dmae = &bp->stats_dmae;
 496         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 497
 498         /* sanity */
 499         if (!bp->func_stx) {
 500                 BNX2X_ERR("BUG!\n");
 501                 return;
 502         }
 503
 504         bp->executer_idx = 0;
 505         memset(dmae, 0, sizeof(struct dmae_command));
 506
 507         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 508                                          true, DMAE_COMP_PCI);
 509         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 510         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 511         dmae->dst_addr_lo = bp->func_stx >> 2;
 512         dmae->dst_addr_hi = 0;
 513         dmae->len = sizeof(struct host_func_stats) >> 2;
 514         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 515         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 516         dmae->comp_val = DMAE_COMP_VAL;
 517
 518         *stats_comp = 0;
 519 }
 520
 521 /* should be called under stats_sema */
 522 static void __bnx2x_stats_start(struct bnx2x *bp)
 523 {
 524         if (IS_PF(bp)) {
 525                 if (bp->port.pmf)
 526                         bnx2x_port_stats_init(bp);
 527
 528                 else if (bp->func_stx)
 529                         bnx2x_func_stats_init(bp);
 530
 531                 bnx2x_hw_stats_post(bp);
 532                 bnx2x_storm_stats_post(bp);
 533         }
 534
 535         bp->stats_started = true;
 536 }
 537
 538 static void bnx2x_stats_start(struct bnx2x *bp)
 539 {
 540         if (down_timeout(&bp->stats_sema, HZ/10))
 541                 BNX2X_ERR("Unable to acquire stats lock\n");
 542         __bnx2x_stats_start(bp);
 543         up(&bp->stats_sema);
 544 }
 545
 546 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
 547 {
 548         if (down_timeout(&bp->stats_sema, HZ/10))
 549                 BNX2X_ERR("Unable to acquire stats lock\n");
 550         bnx2x_stats_comp(bp);
 551         __bnx2x_stats_pmf_update(bp);
 552         __bnx2x_stats_start(bp);
 553         up(&bp->stats_sema);
 554 }
 555
 556 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
 557 {
 558         if (down_timeout(&bp->stats_sema, HZ/10))
 559                 BNX2X_ERR("Unable to acquire stats lock\n");
 560         __bnx2x_stats_pmf_update(bp);
 561         up(&bp->stats_sema);
 562 }
 563
 564 static void bnx2x_stats_restart(struct bnx2x *bp)
 565 {
 566         /* vfs travel through here as part of the statistics FSM, but no action
 567          * is required
 568          */
 569         if (IS_VF(bp))
 570                 return;
 571         if (down_timeout(&bp->stats_sema, HZ/10))
 572                 BNX2X_ERR("Unable to acquire stats lock\n");
 573         bnx2x_stats_comp(bp);
 574         __bnx2x_stats_start(bp);
 575         up(&bp->stats_sema);
 576 }
 577
 578 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
 579 {
 580         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 581         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 582         struct {
 583                 u32 lo;
 584                 u32 hi;
 585         } diff;
 586
 587         if (CHIP_IS_E1x(bp)) {
 588                 struct bmac1_stats *new = bnx2x_sp(bp, mac_stats.bmac1_stats);
 589
 590                 /* the macros below will use "bmac1_stats" type */
 591                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 592                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 593                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 594                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 595                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 596                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 597                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 598                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 599                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 600
 601                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 602                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 603                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 604                 UPDATE_STAT64(tx_stat_gt127,
 605                                 tx_stat_etherstatspkts65octetsto127octets);
 606                 UPDATE_STAT64(tx_stat_gt255,
 607                                 tx_stat_etherstatspkts128octetsto255octets);
 608                 UPDATE_STAT64(tx_stat_gt511,
 609                                 tx_stat_etherstatspkts256octetsto511octets);
 610                 UPDATE_STAT64(tx_stat_gt1023,
 611                                 tx_stat_etherstatspkts512octetsto1023octets);
 612                 UPDATE_STAT64(tx_stat_gt1518,
 613                                 tx_stat_etherstatspkts1024octetsto1522octets);
 614                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 615                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 616                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 617                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 618                 UPDATE_STAT64(tx_stat_gterr,
 619                                 tx_stat_dot3statsinternalmactransmiterrors);
 620                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 621
 622         } else {
 623                 struct bmac2_stats *new = bnx2x_sp(bp, mac_stats.bmac2_stats);
 624
 625                 /* the macros below will use "bmac2_stats" type */
 626                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 627                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 628                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 629                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 630                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 631                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 632                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 633                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 634                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 635                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 636                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 637                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 638                 UPDATE_STAT64(tx_stat_gt127,
 639                                 tx_stat_etherstatspkts65octetsto127octets);
 640                 UPDATE_STAT64(tx_stat_gt255,
 641                                 tx_stat_etherstatspkts128octetsto255octets);
 642                 UPDATE_STAT64(tx_stat_gt511,
 643                                 tx_stat_etherstatspkts256octetsto511octets);
 644                 UPDATE_STAT64(tx_stat_gt1023,
 645                                 tx_stat_etherstatspkts512octetsto1023octets);
 646                 UPDATE_STAT64(tx_stat_gt1518,
 647                                 tx_stat_etherstatspkts1024octetsto1522octets);
 648                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 649                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 650                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 651                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 652                 UPDATE_STAT64(tx_stat_gterr,
 653                                 tx_stat_dot3statsinternalmactransmiterrors);
 654                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 655
 656                 /* collect PFC stats */
 657                 pstats->pfc_frames_tx_hi = new->tx_stat_gtpp_hi;
 658                 pstats->pfc_frames_tx_lo = new->tx_stat_gtpp_lo;
 659
 660                 pstats->pfc_frames_rx_hi = new->rx_stat_grpp_hi;
 661                 pstats->pfc_frames_rx_lo = new->rx_stat_grpp_lo;
 662         }
 663
 664         estats->pause_frames_received_hi =
 665                                 pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 666         estats->pause_frames_received_lo =
 667                                 pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 668
 669         estats->pause_frames_sent_hi =
 670                                 pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 671         estats->pause_frames_sent_lo =
 672                                 pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 673
 674         estats->pfc_frames_received_hi =
 675                                 pstats->pfc_frames_rx_hi;
 676         estats->pfc_frames_received_lo =
 677                                 pstats->pfc_frames_rx_lo;
 678         estats->pfc_frames_sent_hi =
 679                                 pstats->pfc_frames_tx_hi;
 680         estats->pfc_frames_sent_lo =
 681                                 pstats->pfc_frames_tx_lo;
 682 }
 683
 684 static void bnx2x_mstat_stats_update(struct bnx2x *bp)
 685 {
 686         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 687         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 688
 689         struct mstat_stats *new = bnx2x_sp(bp, mac_stats.mstat_stats);
 690
 691         ADD_STAT64(stats_rx.rx_grerb, rx_stat_ifhcinbadoctets);
 692         ADD_STAT64(stats_rx.rx_grfcs, rx_stat_dot3statsfcserrors);
 693         ADD_STAT64(stats_rx.rx_grund, rx_stat_etherstatsundersizepkts);
 694         ADD_STAT64(stats_rx.rx_grovr, rx_stat_dot3statsframestoolong);
 695         ADD_STAT64(stats_rx.rx_grfrg, rx_stat_etherstatsfragments);
 696         ADD_STAT64(stats_rx.rx_grxcf, rx_stat_maccontrolframesreceived);
 697         ADD_STAT64(stats_rx.rx_grxpf, rx_stat_xoffstateentered);
 698         ADD_STAT64(stats_rx.rx_grxpf, rx_stat_mac_xpf);
 699         ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_outxoffsent);
 700         ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_flowcontroldone);
 701
 702         /* collect pfc stats */
 703         ADD_64(pstats->pfc_frames_tx_hi, new->stats_tx.tx_gtxpp_hi,
 704                 pstats->pfc_frames_tx_lo, new->stats_tx.tx_gtxpp_lo);
 705         ADD_64(pstats->pfc_frames_rx_hi, new->stats_rx.rx_grxpp_hi,
 706                 pstats->pfc_frames_rx_lo, new->stats_rx.rx_grxpp_lo);
 707
 708         ADD_STAT64(stats_tx.tx_gt64, tx_stat_etherstatspkts64octets);
 709         ADD_STAT64(stats_tx.tx_gt127,
 710                         tx_stat_etherstatspkts65octetsto127octets);
 711         ADD_STAT64(stats_tx.tx_gt255,
 712                         tx_stat_etherstatspkts128octetsto255octets);
 713         ADD_STAT64(stats_tx.tx_gt511,
 714                         tx_stat_etherstatspkts256octetsto511octets);
 715         ADD_STAT64(stats_tx.tx_gt1023,
 716                         tx_stat_etherstatspkts512octetsto1023octets);
 717         ADD_STAT64(stats_tx.tx_gt1518,
 718                         tx_stat_etherstatspkts1024octetsto1522octets);
 719         ADD_STAT64(stats_tx.tx_gt2047, tx_stat_mac_2047);
 720
 721         ADD_STAT64(stats_tx.tx_gt4095, tx_stat_mac_4095);
 722         ADD_STAT64(stats_tx.tx_gt9216, tx_stat_mac_9216);
 723         ADD_STAT64(stats_tx.tx_gt16383, tx_stat_mac_16383);
 724
 725         ADD_STAT64(stats_tx.tx_gterr,
 726                         tx_stat_dot3statsinternalmactransmiterrors);
 727         ADD_STAT64(stats_tx.tx_gtufl, tx_stat_mac_ufl);
 728
 729         estats->etherstatspkts1024octetsto1522octets_hi =
 730             pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_hi;
 731         estats->etherstatspkts1024octetsto1522octets_lo =
 732             pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_lo;
 733
 734         estats->etherstatspktsover1522octets_hi =
 735             pstats->mac_stx[1].tx_stat_mac_2047_hi;
 736         estats->etherstatspktsover1522octets_lo =
 737             pstats->mac_stx[1].tx_stat_mac_2047_lo;
 738
 739         ADD_64(estats->etherstatspktsover1522octets_hi,
 740                pstats->mac_stx[1].tx_stat_mac_4095_hi,
 741                estats->etherstatspktsover1522octets_lo,
 742                pstats->mac_stx[1].tx_stat_mac_4095_lo);
 743
 744         ADD_64(estats->etherstatspktsover1522octets_hi,
 745                pstats->mac_stx[1].tx_stat_mac_9216_hi,
 746                estats->etherstatspktsover1522octets_lo,
 747                pstats->mac_stx[1].tx_stat_mac_9216_lo);
 748
 749         ADD_64(estats->etherstatspktsover1522octets_hi,
 750                pstats->mac_stx[1].tx_stat_mac_16383_hi,
 751                estats->etherstatspktsover1522octets_lo,
 752                pstats->mac_stx[1].tx_stat_mac_16383_lo);
 753
 754         estats->pause_frames_received_hi =
 755                                 pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 756         estats->pause_frames_received_lo =
 757                                 pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 758
 759         estats->pause_frames_sent_hi =
 760                                 pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 761         estats->pause_frames_sent_lo =
 762                                 pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 763
 764         estats->pfc_frames_received_hi =
 765                                 pstats->pfc_frames_rx_hi;
 766         estats->pfc_frames_received_lo =
 767                                 pstats->pfc_frames_rx_lo;
 768         estats->pfc_frames_sent_hi =
 769                                 pstats->pfc_frames_tx_hi;
 770         estats->pfc_frames_sent_lo =
 771                                 pstats->pfc_frames_tx_lo;
 772 }
 773
 774 static void bnx2x_emac_stats_update(struct bnx2x *bp)
 775 {
 776         struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
 777         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 778         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 779
 780         UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
 781         UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
 782         UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
 783         UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
 784         UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
 785         UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
 786         UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
 787         UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
 788         UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
 789         UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
 790         UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
 791         UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
 792         UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
 793         UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
 794         UPDATE_EXTEND_STAT(tx_stat_outxonsent);
 795         UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
 796         UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
 797         UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
 798         UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
 799         UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
 800         UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
 801         UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
 802         UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
 803         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
 804         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
 805         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
 806         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
 807         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
 808         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
 809         UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
 810         UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
 811
 812         estats->pause_frames_received_hi =
 813                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi;
 814         estats->pause_frames_received_lo =
 815                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo;
 816         ADD_64(estats->pause_frames_received_hi,
 817                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi,
 818                estats->pause_frames_received_lo,
 819                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo);
 820
 821         estats->pause_frames_sent_hi =
 822                         pstats->mac_stx[1].tx_stat_outxonsent_hi;
 823         estats->pause_frames_sent_lo =
 824                         pstats->mac_stx[1].tx_stat_outxonsent_lo;
 825         ADD_64(estats->pause_frames_sent_hi,
 826                pstats->mac_stx[1].tx_stat_outxoffsent_hi,
 827                estats->pause_frames_sent_lo,
 828                pstats->mac_stx[1].tx_stat_outxoffsent_lo);
 829 }
 830
 831 static int bnx2x_hw_stats_update(struct bnx2x *bp)
 832 {
 833         struct nig_stats *new = bnx2x_sp(bp, nig_stats);
 834         struct nig_stats *old = &(bp->port.old_nig_stats);
 835         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 836         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 837         struct {
 838                 u32 lo;
 839                 u32 hi;
 840         } diff;
 841
 842         switch (bp->link_vars.mac_type) {
 843         case MAC_TYPE_BMAC:
 844                 bnx2x_bmac_stats_update(bp);
 845                 break;
 846
 847         case MAC_TYPE_EMAC:
 848                 bnx2x_emac_stats_update(bp);
 849                 break;
 850
 851         case MAC_TYPE_UMAC:
 852         case MAC_TYPE_XMAC:
 853                 bnx2x_mstat_stats_update(bp);
 854                 break;
 855
 856         case MAC_TYPE_NONE: /* unreached */
 857                 DP(BNX2X_MSG_STATS,
 858                    "stats updated by DMAE but no MAC active\n");
 859                 return -1;
 860
 861         default: /* unreached */
 862                 BNX2X_ERR("Unknown MAC type\n");
 863         }
 864
 865         ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
 866                       new->brb_discard - old->brb_discard);
 867         ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
 868                       new->brb_truncate - old->brb_truncate);
 869
 870         if (!CHIP_IS_E3(bp)) {
 871                 UPDATE_STAT64_NIG(egress_mac_pkt0,
 872                                         etherstatspkts1024octetsto1522octets);
 873                 UPDATE_STAT64_NIG(egress_mac_pkt1,
 874                                         etherstatspktsover1522octets);
 875         }
 876
 877         memcpy(old, new, sizeof(struct nig_stats));
 878
 879         memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
 880                sizeof(struct mac_stx));
 881         estats->brb_drop_hi = pstats->brb_drop_hi;
 882         estats->brb_drop_lo = pstats->brb_drop_lo;
 883
 884         pstats->host_port_stats_counter++;
 885
 886         if (CHIP_IS_E3(bp)) {
 887                 u32 lpi_reg = BP_PORT(bp) ? MISC_REG_CPMU_LP_SM_ENT_CNT_P1
 888                                           : MISC_REG_CPMU_LP_SM_ENT_CNT_P0;
 889                 estats->eee_tx_lpi += REG_RD(bp, lpi_reg);
 890         }
 891
 892         if (!BP_NOMCP(bp)) {
 893                 u32 nig_timer_max =
 894                         SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer);
 895                 if (nig_timer_max != estats->nig_timer_max) {
 896                         estats->nig_timer_max = nig_timer_max;
 897                         BNX2X_ERR("NIG timer max (%u)\n",
 898                                   estats->nig_timer_max);
 899                 }
 900         }
 901
 902         return 0;
 903 }
 904
 905 static int bnx2x_storm_stats_validate_counters(struct bnx2x *bp)
 906 {
 907         struct stats_counter *counters = &bp->fw_stats_data->storm_counters;
 908         u16 cur_stats_counter;
 909         /* Make sure we use the value of the counter
 910          * used for sending the last stats ramrod.
 911          */
 912         cur_stats_counter = bp->stats_counter - 1;
 913
 914         /* are storm stats valid? */
 915         if (le16_to_cpu(counters->xstats_counter) != cur_stats_counter) {
 916                 DP(BNX2X_MSG_STATS,
 917                    "stats not updated by xstorm  xstorm counter (0x%x) != stats_counter (0x%x)\n",
 918                    le16_to_cpu(counters->xstats_counter), bp->stats_counter);
 919                 return -EAGAIN;
 920         }
 921
 922         if (le16_to_cpu(counters->ustats_counter) != cur_stats_counter) {
 923                 DP(BNX2X_MSG_STATS,
 924                    "stats not updated by ustorm  ustorm counter (0x%x) != stats_counter (0x%x)\n",
 925                    le16_to_cpu(counters->ustats_counter), bp->stats_counter);
 926                 return -EAGAIN;
 927         }
 928
 929         if (le16_to_cpu(counters->cstats_counter) != cur_stats_counter) {
 930                 DP(BNX2X_MSG_STATS,
 931                    "stats not updated by cstorm  cstorm counter (0x%x) != stats_counter (0x%x)\n",
 932                    le16_to_cpu(counters->cstats_counter), bp->stats_counter);
 933                 return -EAGAIN;
 934         }
 935
 936         if (le16_to_cpu(counters->tstats_counter) != cur_stats_counter) {
 937                 DP(BNX2X_MSG_STATS,
 938                    "stats not updated by tstorm  tstorm counter (0x%x) != stats_counter (0x%x)\n",
 939                    le16_to_cpu(counters->tstats_counter), bp->stats_counter);
 940                 return -EAGAIN;
 941         }
 942         return 0;
 943 }
 944
 945 static int bnx2x_storm_stats_update(struct bnx2x *bp)
 946 {
 947         struct tstorm_per_port_stats *tport =
 948                                 &bp->fw_stats_data->port.tstorm_port_statistics;
 949         struct tstorm_per_pf_stats *tfunc =
 950                                 &bp->fw_stats_data->pf.tstorm_pf_statistics;
 951         struct host_func_stats *fstats = &bp->func_stats;
 952         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 953         struct bnx2x_eth_stats_old *estats_old = &bp->eth_stats_old;
 954         int i;
 955
 956         /* vfs stat counter is managed by pf */
 957         if (IS_PF(bp) && bnx2x_storm_stats_validate_counters(bp))
 958                 return -EAGAIN;
 959
 960         estats->error_bytes_received_hi = 0;
 961         estats->error_bytes_received_lo = 0;
 962
 963         for_each_eth_queue(bp, i) {
 964                 struct bnx2x_fastpath *fp = &bp->fp[i];
 965                 struct tstorm_per_queue_stats *tclient =
 966                         &bp->fw_stats_data->queue_stats[i].
 967                         tstorm_queue_statistics;
 968                 struct tstorm_per_queue_stats *old_tclient =
 969                         &bnx2x_fp_stats(bp, fp)->old_tclient;
 970                 struct ustorm_per_queue_stats *uclient =
 971                         &bp->fw_stats_data->queue_stats[i].
 972                         ustorm_queue_statistics;
 973                 struct ustorm_per_queue_stats *old_uclient =
 974                         &bnx2x_fp_stats(bp, fp)->old_uclient;
 975                 struct xstorm_per_queue_stats *xclient =
 976                         &bp->fw_stats_data->queue_stats[i].
 977                         xstorm_queue_statistics;
 978                 struct xstorm_per_queue_stats *old_xclient =
 979                         &bnx2x_fp_stats(bp, fp)->old_xclient;
 980                 struct bnx2x_eth_q_stats *qstats =
 981                         &bnx2x_fp_stats(bp, fp)->eth_q_stats;
 982                 struct bnx2x_eth_q_stats_old *qstats_old =
 983                         &bnx2x_fp_stats(bp, fp)->eth_q_stats_old;
 984
 985                 u32 diff;
 986
 987                 DP(BNX2X_MSG_STATS, "queue[%d]: ucast_sent 0x%x, bcast_sent 0x%x mcast_sent 0x%x\n",
 988                    i, xclient->ucast_pkts_sent,
 989                    xclient->bcast_pkts_sent, xclient->mcast_pkts_sent);
 990
 991                 DP(BNX2X_MSG_STATS, "---------------\n");
 992
 993                 UPDATE_QSTAT(tclient->rcv_bcast_bytes,
 994                              total_broadcast_bytes_received);
 995                 UPDATE_QSTAT(tclient->rcv_mcast_bytes,
 996                              total_multicast_bytes_received);
 997                 UPDATE_QSTAT(tclient->rcv_ucast_bytes,
 998                              total_unicast_bytes_received);
 999
1000                 /*
1001                  * sum to total_bytes_received all
1002                  * unicast/multicast/broadcast
1003                  */
1004                 qstats->total_bytes_received_hi =
1005                         qstats->total_broadcast_bytes_received_hi;
1006                 qstats->total_bytes_received_lo =
1007                         qstats->total_broadcast_bytes_received_lo;
1008
1009                 ADD_64(qstats->total_bytes_received_hi,
1010                        qstats->total_multicast_bytes_received_hi,
1011                        qstats->total_bytes_received_lo,
1012                        qstats->total_multicast_bytes_received_lo);
1013
1014                 ADD_64(qstats->total_bytes_received_hi,
1015                        qstats->total_unicast_bytes_received_hi,
1016                        qstats->total_bytes_received_lo,
1017                        qstats->total_unicast_bytes_received_lo);
1018
1019                 qstats->valid_bytes_received_hi =
1020                                         qstats->total_bytes_received_hi;
1021                 qstats->valid_bytes_received_lo =
1022                                         qstats->total_bytes_received_lo;
1023
1024                 UPDATE_EXTEND_TSTAT(rcv_ucast_pkts,
1025                                         total_unicast_packets_received);
1026                 UPDATE_EXTEND_TSTAT(rcv_mcast_pkts,
1027                                         total_multicast_packets_received);
1028                 UPDATE_EXTEND_TSTAT(rcv_bcast_pkts,
1029                                         total_broadcast_packets_received);
1030                 UPDATE_EXTEND_E_TSTAT(pkts_too_big_discard,
1031                                       etherstatsoverrsizepkts, 32);
1032                 UPDATE_EXTEND_E_TSTAT(no_buff_discard, no_buff_discard, 16);
1033
1034                 SUB_EXTEND_USTAT(ucast_no_buff_pkts,
1035                                         total_unicast_packets_received);
1036                 SUB_EXTEND_USTAT(mcast_no_buff_pkts,
1037                                         total_multicast_packets_received);
1038                 SUB_EXTEND_USTAT(bcast_no_buff_pkts,
1039                                         total_broadcast_packets_received);
1040                 UPDATE_EXTEND_E_USTAT(ucast_no_buff_pkts, no_buff_discard);
1041                 UPDATE_EXTEND_E_USTAT(mcast_no_buff_pkts, no_buff_discard);
1042                 UPDATE_EXTEND_E_USTAT(bcast_no_buff_pkts, no_buff_discard);
1043
1044                 UPDATE_QSTAT(xclient->bcast_bytes_sent,
1045                              total_broadcast_bytes_transmitted);
1046                 UPDATE_QSTAT(xclient->mcast_bytes_sent,
1047                              total_multicast_bytes_transmitted);
1048                 UPDATE_QSTAT(xclient->ucast_bytes_sent,
1049                              total_unicast_bytes_transmitted);
1050
1051                 /*
1052                  * sum to total_bytes_transmitted all
1053                  * unicast/multicast/broadcast
1054                  */
1055                 qstats->total_bytes_transmitted_hi =
1056                                 qstats->total_unicast_bytes_transmitted_hi;
1057                 qstats->total_bytes_transmitted_lo =
1058                                 qstats->total_unicast_bytes_transmitted_lo;
1059
1060                 ADD_64(qstats->total_bytes_transmitted_hi,
1061                        qstats->total_broadcast_bytes_transmitted_hi,
1062                        qstats->total_bytes_transmitted_lo,
1063                        qstats->total_broadcast_bytes_transmitted_lo);
1064
1065                 ADD_64(qstats->total_bytes_transmitted_hi,
1066                        qstats->total_multicast_bytes_transmitted_hi,
1067                        qstats->total_bytes_transmitted_lo,
1068                        qstats->total_multicast_bytes_transmitted_lo);
1069
1070                 UPDATE_EXTEND_XSTAT(ucast_pkts_sent,
1071                                         total_unicast_packets_transmitted);
1072                 UPDATE_EXTEND_XSTAT(mcast_pkts_sent,
1073                                         total_multicast_packets_transmitted);
1074                 UPDATE_EXTEND_XSTAT(bcast_pkts_sent,
1075                                         total_broadcast_packets_transmitted);
1076
1077                 UPDATE_EXTEND_TSTAT(checksum_discard,
1078                                     total_packets_received_checksum_discarded);
1079                 UPDATE_EXTEND_TSTAT(ttl0_discard,
1080                                     total_packets_received_ttl0_discarded);
1081
1082                 UPDATE_EXTEND_XSTAT(error_drop_pkts,
1083                                     total_transmitted_dropped_packets_error);
1084
1085                 /* TPA aggregations completed */
1086                 UPDATE_EXTEND_E_USTAT(coalesced_events, total_tpa_aggregations);
1087                 /* Number of network frames aggregated by TPA */
1088                 UPDATE_EXTEND_E_USTAT(coalesced_pkts,
1089                                       total_tpa_aggregated_frames);
1090                 /* Total number of bytes in completed TPA aggregations */
1091                 UPDATE_QSTAT(uclient->coalesced_bytes, total_tpa_bytes);
1092
1093                 UPDATE_ESTAT_QSTAT_64(total_tpa_bytes);
1094
1095                 UPDATE_FSTAT_QSTAT(total_bytes_received);
1096                 UPDATE_FSTAT_QSTAT(total_bytes_transmitted);
1097                 UPDATE_FSTAT_QSTAT(total_unicast_packets_received);
1098                 UPDATE_FSTAT_QSTAT(total_multicast_packets_received);
1099                 UPDATE_FSTAT_QSTAT(total_broadcast_packets_received);
1100                 UPDATE_FSTAT_QSTAT(total_unicast_packets_transmitted);
1101                 UPDATE_FSTAT_QSTAT(total_multicast_packets_transmitted);
1102                 UPDATE_FSTAT_QSTAT(total_broadcast_packets_transmitted);
1103                 UPDATE_FSTAT_QSTAT(valid_bytes_received);
1104         }
1105
1106         ADD_64(estats->total_bytes_received_hi,
1107                estats->rx_stat_ifhcinbadoctets_hi,
1108                estats->total_bytes_received_lo,
1109                estats->rx_stat_ifhcinbadoctets_lo);
1110
1111         ADD_64_LE(estats->total_bytes_received_hi,
1112                   tfunc->rcv_error_bytes.hi,
1113                   estats->total_bytes_received_lo,
1114                   tfunc->rcv_error_bytes.lo);
1115
1116         ADD_64_LE(estats->error_bytes_received_hi,
1117                   tfunc->rcv_error_bytes.hi,
1118                   estats->error_bytes_received_lo,
1119                   tfunc->rcv_error_bytes.lo);
1120
1121         UPDATE_ESTAT(etherstatsoverrsizepkts, rx_stat_dot3statsframestoolong);
1122
1123         ADD_64(estats->error_bytes_received_hi,
1124                estats->rx_stat_ifhcinbadoctets_hi,
1125                estats->error_bytes_received_lo,
1126                estats->rx_stat_ifhcinbadoctets_lo);
1127
1128         if (bp->port.pmf) {
1129                 struct bnx2x_fw_port_stats_old *fwstats = &bp->fw_stats_old;
1130                 UPDATE_FW_STAT(mac_filter_discard);
1131                 UPDATE_FW_STAT(mf_tag_discard);
1132                 UPDATE_FW_STAT(brb_truncate_discard);
1133                 UPDATE_FW_STAT(mac_discard);
1134         }
1135
1136         fstats->host_func_stats_start = ++fstats->host_func_stats_end;
1137
1138         bp->stats_pending = 0;
1139
1140         return 0;
1141 }
1142
1143 static void bnx2x_net_stats_update(struct bnx2x *bp)
1144 {
1145         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1146         struct net_device_stats *nstats = &bp->dev->stats;
1147         unsigned long tmp;
1148         int i;
1149
1150         nstats->rx_packets =
1151                 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
1152                 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
1153                 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
1154
1155         nstats->tx_packets =
1156                 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
1157                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
1158                 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
1159
1160         nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi);
1161
1162         nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
1163
1164         tmp = estats->mac_discard;
1165         for_each_rx_queue(bp, i) {
1166                 struct tstorm_per_queue_stats *old_tclient =
1167                         &bp->fp_stats[i].old_tclient;
1168                 tmp += le32_to_cpu(old_tclient->checksum_discard);
1169         }
1170         nstats->rx_dropped = tmp + bp->net_stats_old.rx_dropped;
1171
1172         nstats->tx_dropped = 0;
1173
1174         nstats->multicast =
1175                 bnx2x_hilo(&estats->total_multicast_packets_received_hi);
1176
1177         nstats->collisions =
1178                 bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi);
1179
1180         nstats->rx_length_errors =
1181                 bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) +
1182                 bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi);
1183         nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) +
1184                                  bnx2x_hilo(&estats->brb_truncate_hi);
1185         nstats->rx_crc_errors =
1186                 bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi);
1187         nstats->rx_frame_errors =
1188                 bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi);
1189         nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi);
1190         nstats->rx_missed_errors = 0;
1191
1192         nstats->rx_errors = nstats->rx_length_errors +
1193                             nstats->rx_over_errors +
1194                             nstats->rx_crc_errors +
1195                             nstats->rx_frame_errors +
1196                             nstats->rx_fifo_errors +
1197                             nstats->rx_missed_errors;
1198
1199         nstats->tx_aborted_errors =
1200                 bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) +
1201                 bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi);
1202         nstats->tx_carrier_errors =
1203                 bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi);
1204         nstats->tx_fifo_errors = 0;
1205         nstats->tx_heartbeat_errors = 0;
1206         nstats->tx_window_errors = 0;
1207
1208         nstats->tx_errors = nstats->tx_aborted_errors +
1209                             nstats->tx_carrier_errors +
1210             bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi);
1211 }
1212
1213 static void bnx2x_drv_stats_update(struct bnx2x *bp)
1214 {
1215         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1216         int i;
1217
1218         for_each_queue(bp, i) {
1219                 struct bnx2x_eth_q_stats *qstats = &bp->fp_stats[i].eth_q_stats;
1220                 struct bnx2x_eth_q_stats_old *qstats_old =
1221                         &bp->fp_stats[i].eth_q_stats_old;
1222
1223                 UPDATE_ESTAT_QSTAT(driver_xoff);
1224                 UPDATE_ESTAT_QSTAT(rx_err_discard_pkt);
1225                 UPDATE_ESTAT_QSTAT(rx_skb_alloc_failed);
1226                 UPDATE_ESTAT_QSTAT(hw_csum_err);
1227                 UPDATE_ESTAT_QSTAT(driver_filtered_tx_pkt);
1228         }
1229 }
1230
1231 static bool bnx2x_edebug_stats_stopped(struct bnx2x *bp)
1232 {
1233         u32 val;
1234
1235         if (SHMEM2_HAS(bp, edebug_driver_if[1])) {
1236                 val = SHMEM2_RD(bp, edebug_driver_if[1]);
1237
1238                 if (val == EDEBUG_DRIVER_IF_OP_CODE_DISABLE_STAT)
1239                         return true;
1240         }
1241
1242         return false;
1243 }
1244
1245 static void bnx2x_stats_update(struct bnx2x *bp)
1246 {
1247         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1248
1249         /* we run update from timer context, so give up
1250          * if somebody is in the middle of transition
1251          */
1252         if (down_trylock(&bp->stats_sema))
1253                 return;
1254
1255         if (bnx2x_edebug_stats_stopped(bp) || !bp->stats_started)
1256                 goto out;
1257
1258         if (IS_PF(bp)) {
1259                 if (*stats_comp != DMAE_COMP_VAL)
1260                         goto out;
1261
1262                 if (bp->port.pmf)
1263                         bnx2x_hw_stats_update(bp);
1264
1265                 if (bnx2x_storm_stats_update(bp)) {
1266                         if (bp->stats_pending++ == 3) {
1267                                 BNX2X_ERR("storm stats were not updated for 3 times\n");
1268                                 bnx2x_panic();
1269                         }
1270                         goto out;
1271                 }
1272         } else {
1273                 /* vf doesn't collect HW statistics, and doesn't get completions
1274                  * perform only update
1275                  */
1276                 bnx2x_storm_stats_update(bp);
1277         }
1278
1279         bnx2x_net_stats_update(bp);
1280         bnx2x_drv_stats_update(bp);
1281
1282         /* vf is done */
1283         if (IS_VF(bp))
1284                 goto out;
1285
1286         if (netif_msg_timer(bp)) {
1287                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
1288
1289                 netdev_dbg(bp->dev, "brb drops %u  brb truncate %u\n",
1290                        estats->brb_drop_lo, estats->brb_truncate_lo);
1291         }
1292
1293         bnx2x_hw_stats_post(bp);
1294         bnx2x_storm_stats_post(bp);
1295
1296 out:
1297         up(&bp->stats_sema);
1298 }
1299
1300 static void bnx2x_port_stats_stop(struct bnx2x *bp)
1301 {
1302         struct dmae_command *dmae;
1303         u32 opcode;
1304         int loader_idx = PMF_DMAE_C(bp);
1305         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1306
1307         bp->executer_idx = 0;
1308
1309         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC, false, 0);
1310
1311         if (bp->port.port_stx) {
1312
1313                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1314                 if (bp->func_stx)
1315                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1316                                                 opcode, DMAE_COMP_GRC);
1317                 else
1318                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1319                                                 opcode, DMAE_COMP_PCI);
1320
1321                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1322                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1323                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
1324                 dmae->dst_addr_hi = 0;
1325                 dmae->len = bnx2x_get_port_stats_dma_len(bp);
1326                 if (bp->func_stx) {
1327                         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
1328                         dmae->comp_addr_hi = 0;
1329                         dmae->comp_val = 1;
1330                 } else {
1331                         dmae->comp_addr_lo =
1332                                 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1333                         dmae->comp_addr_hi =
1334                                 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1335                         dmae->comp_val = DMAE_COMP_VAL;
1336
1337                         *stats_comp = 0;
1338                 }
1339         }
1340
1341         if (bp->func_stx) {
1342
1343                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1344                 dmae->opcode =
1345                         bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
1346                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
1347                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
1348                 dmae->dst_addr_lo = bp->func_stx >> 2;
1349                 dmae->dst_addr_hi = 0;
1350                 dmae->len = sizeof(struct host_func_stats) >> 2;
1351                 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1352                 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1353                 dmae->comp_val = DMAE_COMP_VAL;
1354
1355                 *stats_comp = 0;
1356         }
1357 }
1358
1359 static void bnx2x_stats_stop(struct bnx2x *bp)
1360 {
1361         int update = 0;
1362
1363         if (down_timeout(&bp->stats_sema, HZ/10))
1364                 BNX2X_ERR("Unable to acquire stats lock\n");
1365
1366         bp->stats_started = false;
1367
1368         bnx2x_stats_comp(bp);
1369
1370         if (bp->port.pmf)
1371                 update = (bnx2x_hw_stats_update(bp) == 0);
1372
1373         update |= (bnx2x_storm_stats_update(bp) == 0);
1374
1375         if (update) {
1376                 bnx2x_net_stats_update(bp);
1377
1378                 if (bp->port.pmf)
1379                         bnx2x_port_stats_stop(bp);
1380
1381                 bnx2x_hw_stats_post(bp);
1382                 bnx2x_stats_comp(bp);
1383         }
1384
1385         up(&bp->stats_sema);
1386 }
1387
1388 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
1389 {
1390 }
1391
1392 static const struct {
1393         void (*action)(struct bnx2x *bp);
1394         enum bnx2x_stats_state next_state;
1395 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
1396 /* state        event   */
1397 {
1398 /* DISABLED     PMF     */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
1399 /*              LINK_UP */ {bnx2x_stats_start,      STATS_STATE_ENABLED},
1400 /*              UPDATE  */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
1401 /*              STOP    */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
1402 },
1403 {
1404 /* ENABLED      PMF     */ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
1405 /*              LINK_UP */ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
1406 /*              UPDATE  */ {bnx2x_stats_update,     STATS_STATE_ENABLED},
1407 /*              STOP    */ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
1408 }
1409 };
1410
1411 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
1412 {
1413         enum bnx2x_stats_state state;
1414         void (*action)(struct bnx2x *bp);
1415         if (unlikely(bp->panic))
1416                 return;
1417
1418         spin_lock_bh(&bp->stats_lock);
1419         state = bp->stats_state;
1420         bp->stats_state = bnx2x_stats_stm[state][event].next_state;
1421         action = bnx2x_stats_stm[state][event].action;
1422         spin_unlock_bh(&bp->stats_lock);
1423
1424         action(bp);
1425
1426         if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
1427                 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
1428                    state, event, bp->stats_state);
1429 }
1430
1431 static void bnx2x_port_stats_base_init(struct bnx2x *bp)
1432 {
1433         struct dmae_command *dmae;
1434         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1435
1436         /* sanity */
1437         if (!bp->port.pmf || !bp->port.port_stx) {
1438                 BNX2X_ERR("BUG!\n");
1439                 return;
1440         }
1441
1442         bp->executer_idx = 0;
1443
1444         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1445         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
1446                                          true, DMAE_COMP_PCI);
1447         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1448         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1449         dmae->dst_addr_lo = bp->port.port_stx >> 2;
1450         dmae->dst_addr_hi = 0;
1451         dmae->len = bnx2x_get_port_stats_dma_len(bp);
1452         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1453         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1454         dmae->comp_val = DMAE_COMP_VAL;
1455
1456         *stats_comp = 0;
1457         bnx2x_hw_stats_post(bp);
1458         bnx2x_stats_comp(bp);
1459 }
1460
1461 /* This function will prepare the statistics ramrod data the way
1462  * we will only have to increment the statistics counter and
1463  * send the ramrod each time we have to.
1464  */
1465 static void bnx2x_prep_fw_stats_req(struct bnx2x *bp)
1466 {
1467         int i;
1468         int first_queue_query_index;
1469         struct stats_query_header *stats_hdr = &bp->fw_stats_req->hdr;
1470
1471         dma_addr_t cur_data_offset;
1472         struct stats_query_entry *cur_query_entry;
1473
1474         stats_hdr->cmd_num = bp->fw_stats_num;
1475         stats_hdr->drv_stats_counter = 0;
1476
1477         /* storm_counters struct contains the counters of completed
1478          * statistics requests per storm which are incremented by FW
1479          * each time it completes hadning a statistics ramrod. We will
1480          * check these counters in the timer handler and discard a
1481          * (statistics) ramrod completion.
1482          */
1483         cur_data_offset = bp->fw_stats_data_mapping +
1484                 offsetof(struct bnx2x_fw_stats_data, storm_counters);
1485
1486         stats_hdr->stats_counters_addrs.hi =
1487                 cpu_to_le32(U64_HI(cur_data_offset));
1488         stats_hdr->stats_counters_addrs.lo =
1489                 cpu_to_le32(U64_LO(cur_data_offset));
1490
1491         /* prepare to the first stats ramrod (will be completed with
1492          * the counters equal to zero) - init counters to somethig different.
1493          */
1494         memset(&bp->fw_stats_data->storm_counters, 0xff,
1495                sizeof(struct stats_counter));
1496
1497         /**** Port FW statistics data ****/
1498         cur_data_offset = bp->fw_stats_data_mapping +
1499                 offsetof(struct bnx2x_fw_stats_data, port);
1500
1501         cur_query_entry = &bp->fw_stats_req->query[BNX2X_PORT_QUERY_IDX];
1502
1503         cur_query_entry->kind = STATS_TYPE_PORT;
1504         /* For port query index is a DONT CARE */
1505         cur_query_entry->index = BP_PORT(bp);
1506         /* For port query funcID is a DONT CARE */
1507         cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1508         cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1509         cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1510
1511         /**** PF FW statistics data ****/
1512         cur_data_offset = bp->fw_stats_data_mapping +
1513                 offsetof(struct bnx2x_fw_stats_data, pf);
1514
1515         cur_query_entry = &bp->fw_stats_req->query[BNX2X_PF_QUERY_IDX];
1516
1517         cur_query_entry->kind = STATS_TYPE_PF;
1518         /* For PF query index is a DONT CARE */
1519         cur_query_entry->index = BP_PORT(bp);
1520         cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1521         cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1522         cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1523
1524         /**** FCoE FW statistics data ****/
1525         if (!NO_FCOE(bp)) {
1526                 cur_data_offset = bp->fw_stats_data_mapping +
1527                         offsetof(struct bnx2x_fw_stats_data, fcoe);
1528
1529                 cur_query_entry =
1530                         &bp->fw_stats_req->query[BNX2X_FCOE_QUERY_IDX];
1531
1532                 cur_query_entry->kind = STATS_TYPE_FCOE;
1533                 /* For FCoE query index is a DONT CARE */
1534                 cur_query_entry->index = BP_PORT(bp);
1535                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1536                 cur_query_entry->address.hi =
1537                         cpu_to_le32(U64_HI(cur_data_offset));
1538                 cur_query_entry->address.lo =
1539                         cpu_to_le32(U64_LO(cur_data_offset));
1540         }
1541
1542         /**** Clients' queries ****/
1543         cur_data_offset = bp->fw_stats_data_mapping +
1544                 offsetof(struct bnx2x_fw_stats_data, queue_stats);
1545
1546         /* first queue query index depends whether FCoE offloaded request will
1547          * be included in the ramrod
1548          */
1549         if (!NO_FCOE(bp))
1550                 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX;
1551         else
1552                 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - 1;
1553
1554         for_each_eth_queue(bp, i) {
1555                 cur_query_entry =
1556                         &bp->fw_stats_req->
1557                                         query[first_queue_query_index + i];
1558
1559                 cur_query_entry->kind = STATS_TYPE_QUEUE;
1560                 cur_query_entry->index = bnx2x_stats_id(&bp->fp[i]);
1561                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1562                 cur_query_entry->address.hi =
1563                         cpu_to_le32(U64_HI(cur_data_offset));
1564                 cur_query_entry->address.lo =
1565                         cpu_to_le32(U64_LO(cur_data_offset));
1566
1567                 cur_data_offset += sizeof(struct per_queue_stats);
1568         }
1569
1570         /* add FCoE queue query if needed */
1571         if (!NO_FCOE(bp)) {
1572                 cur_query_entry =
1573                         &bp->fw_stats_req->
1574                                         query[first_queue_query_index + i];
1575
1576                 cur_query_entry->kind = STATS_TYPE_QUEUE;
1577                 cur_query_entry->index = bnx2x_stats_id(&bp->fp[FCOE_IDX(bp)]);
1578                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1579                 cur_query_entry->address.hi =
1580                         cpu_to_le32(U64_HI(cur_data_offset));
1581                 cur_query_entry->address.lo =
1582                         cpu_to_le32(U64_LO(cur_data_offset));
1583         }
1584 }
1585
1586 void bnx2x_memset_stats(struct bnx2x *bp)
1587 {
1588         int i;
1589
1590         /* function stats */
1591         for_each_queue(bp, i) {
1592                 struct bnx2x_fp_stats *fp_stats = &bp->fp_stats[i];
1593
1594                 memset(&fp_stats->old_tclient, 0,
1595                        sizeof(fp_stats->old_tclient));
1596                 memset(&fp_stats->old_uclient, 0,
1597                        sizeof(fp_stats->old_uclient));
1598                 memset(&fp_stats->old_xclient, 0,
1599                        sizeof(fp_stats->old_xclient));
1600                 if (bp->stats_init) {
1601                         memset(&fp_stats->eth_q_stats, 0,
1602                                sizeof(fp_stats->eth_q_stats));
1603                         memset(&fp_stats->eth_q_stats_old, 0,
1604                                sizeof(fp_stats->eth_q_stats_old));
1605                 }
1606         }
1607
1608         memset(&bp->dev->stats, 0, sizeof(bp->dev->stats));
1609
1610         if (bp->stats_init) {
1611                 memset(&bp->net_stats_old, 0, sizeof(bp->net_stats_old));
1612                 memset(&bp->fw_stats_old, 0, sizeof(bp->fw_stats_old));
1613                 memset(&bp->eth_stats_old, 0, sizeof(bp->eth_stats_old));
1614                 memset(&bp->eth_stats, 0, sizeof(bp->eth_stats));
1615                 memset(&bp->func_stats, 0, sizeof(bp->func_stats));
1616         }
1617
1618         bp->stats_state = STATS_STATE_DISABLED;
1619
1620         if (bp->port.pmf && bp->port.port_stx)
1621                 bnx2x_port_stats_base_init(bp);
1622
1623         /* mark the end of statistics initializiation */
1624         bp->stats_init = false;
1625 }
1626
1627 void bnx2x_stats_init(struct bnx2x *bp)
1628 {
1629         int /*abs*/port = BP_PORT(bp);
1630         int mb_idx = BP_FW_MB_IDX(bp);
1631
1632         if (IS_VF(bp)) {
1633                 bnx2x_memset_stats(bp);
1634                 return;
1635         }
1636
1637         bp->stats_pending = 0;
1638         bp->executer_idx = 0;
1639         bp->stats_counter = 0;
1640
1641         /* port and func stats for management */
1642         if (!BP_NOMCP(bp)) {
1643                 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
1644                 bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1645
1646         } else {
1647                 bp->port.port_stx = 0;
1648                 bp->func_stx = 0;
1649         }
1650         DP(BNX2X_MSG_STATS, "port_stx 0x%x  func_stx 0x%x\n",
1651            bp->port.port_stx, bp->func_stx);
1652
1653         /* pmf should retrieve port statistics from SP on a non-init*/
1654         if (!bp->stats_init && bp->port.pmf && bp->port.port_stx)
1655                 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
1656
1657         port = BP_PORT(bp);
1658         /* port stats */
1659         memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
1660         bp->port.old_nig_stats.brb_discard =
1661                         REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
1662         bp->port.old_nig_stats.brb_truncate =
1663                         REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
1664         if (!CHIP_IS_E3(bp)) {
1665                 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
1666                             &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
1667                 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
1668                             &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
1669         }
1670
1671         /* Prepare statistics ramrod data */
1672         bnx2x_prep_fw_stats_req(bp);
1673
1674         /* Clean SP from previous statistics */
1675         if (bp->stats_init) {
1676                 if (bp->func_stx) {
1677                         memset(bnx2x_sp(bp, func_stats), 0,
1678                                sizeof(struct host_func_stats));
1679                         bnx2x_func_stats_init(bp);
1680                         bnx2x_hw_stats_post(bp);
1681                         bnx2x_stats_comp(bp);
1682                 }
1683         }
1684
1685         bnx2x_memset_stats(bp);
1686 }
1687
1688 void bnx2x_save_statistics(struct bnx2x *bp)
1689 {
1690         int i;
1691         struct net_device_stats *nstats = &bp->dev->stats;
1692
1693         /* save queue statistics */
1694         for_each_eth_queue(bp, i) {
1695                 struct bnx2x_fastpath *fp = &bp->fp[i];
1696                 struct bnx2x_eth_q_stats *qstats =
1697                         &bnx2x_fp_stats(bp, fp)->eth_q_stats;
1698                 struct bnx2x_eth_q_stats_old *qstats_old =
1699                         &bnx2x_fp_stats(bp, fp)->eth_q_stats_old;
1700
1701                 UPDATE_QSTAT_OLD(total_unicast_bytes_received_hi);
1702                 UPDATE_QSTAT_OLD(total_unicast_bytes_received_lo);
1703                 UPDATE_QSTAT_OLD(total_broadcast_bytes_received_hi);
1704                 UPDATE_QSTAT_OLD(total_broadcast_bytes_received_lo);
1705                 UPDATE_QSTAT_OLD(total_multicast_bytes_received_hi);
1706                 UPDATE_QSTAT_OLD(total_multicast_bytes_received_lo);
1707                 UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_hi);
1708                 UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_lo);
1709                 UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_hi);
1710                 UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_lo);
1711                 UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_hi);
1712                 UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_lo);
1713                 UPDATE_QSTAT_OLD(total_tpa_bytes_hi);
1714                 UPDATE_QSTAT_OLD(total_tpa_bytes_lo);
1715         }
1716
1717         /* save net_device_stats statistics */
1718         bp->net_stats_old.rx_dropped = nstats->rx_dropped;
1719
1720         /* store port firmware statistics */
1721         if (bp->port.pmf && IS_MF(bp)) {
1722                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
1723                 struct bnx2x_fw_port_stats_old *fwstats = &bp->fw_stats_old;
1724                 UPDATE_FW_STAT_OLD(mac_filter_discard);
1725                 UPDATE_FW_STAT_OLD(mf_tag_discard);
1726                 UPDATE_FW_STAT_OLD(brb_truncate_discard);
1727                 UPDATE_FW_STAT_OLD(mac_discard);
1728         }
1729 }
1730
1731 void bnx2x_afex_collect_stats(struct bnx2x *bp, void *void_afex_stats,
1732                               u32 stats_type)
1733 {
1734         int i;
1735         struct afex_stats *afex_stats = (struct afex_stats *)void_afex_stats;
1736         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1737         struct per_queue_stats *fcoe_q_stats =
1738                 &bp->fw_stats_data->queue_stats[FCOE_IDX(bp)];
1739
1740         struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
1741                 &fcoe_q_stats->tstorm_queue_statistics;
1742
1743         struct ustorm_per_queue_stats *fcoe_q_ustorm_stats =
1744                 &fcoe_q_stats->ustorm_queue_statistics;
1745
1746         struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
1747                 &fcoe_q_stats->xstorm_queue_statistics;
1748
1749         struct fcoe_statistics_params *fw_fcoe_stat =
1750                 &bp->fw_stats_data->fcoe;
1751
1752         memset(afex_stats, 0, sizeof(struct afex_stats));
1753
1754         for_each_eth_queue(bp, i) {
1755                 struct bnx2x_eth_q_stats *qstats = &bp->fp_stats[i].eth_q_stats;
1756
1757                 ADD_64(afex_stats->rx_unicast_bytes_hi,
1758                        qstats->total_unicast_bytes_received_hi,
1759                        afex_stats->rx_unicast_bytes_lo,
1760                        qstats->total_unicast_bytes_received_lo);
1761
1762                 ADD_64(afex_stats->rx_broadcast_bytes_hi,
1763                        qstats->total_broadcast_bytes_received_hi,
1764                        afex_stats->rx_broadcast_bytes_lo,
1765                        qstats->total_broadcast_bytes_received_lo);
1766
1767                 ADD_64(afex_stats->rx_multicast_bytes_hi,
1768                        qstats->total_multicast_bytes_received_hi,
1769                        afex_stats->rx_multicast_bytes_lo,
1770                        qstats->total_multicast_bytes_received_lo);
1771
1772                 ADD_64(afex_stats->rx_unicast_frames_hi,
1773                        qstats->total_unicast_packets_received_hi,
1774                        afex_stats->rx_unicast_frames_lo,
1775                        qstats->total_unicast_packets_received_lo);
1776
1777                 ADD_64(afex_stats->rx_broadcast_frames_hi,
1778                        qstats->total_broadcast_packets_received_hi,
1779                        afex_stats->rx_broadcast_frames_lo,
1780                        qstats->total_broadcast_packets_received_lo);
1781
1782                 ADD_64(afex_stats->rx_multicast_frames_hi,
1783                        qstats->total_multicast_packets_received_hi,
1784                        afex_stats->rx_multicast_frames_lo,
1785                        qstats->total_multicast_packets_received_lo);
1786
1787                 /* sum to rx_frames_discarded all discraded
1788                  * packets due to size, ttl0 and checksum
1789                  */
1790                 ADD_64(afex_stats->rx_frames_discarded_hi,
1791                        qstats->total_packets_received_checksum_discarded_hi,
1792                        afex_stats->rx_frames_discarded_lo,
1793                        qstats->total_packets_received_checksum_discarded_lo);
1794
1795                 ADD_64(afex_stats->rx_frames_discarded_hi,
1796                        qstats->total_packets_received_ttl0_discarded_hi,
1797                        afex_stats->rx_frames_discarded_lo,
1798                        qstats->total_packets_received_ttl0_discarded_lo);
1799
1800                 ADD_64(afex_stats->rx_frames_discarded_hi,
1801                        qstats->etherstatsoverrsizepkts_hi,
1802                        afex_stats->rx_frames_discarded_lo,
1803                        qstats->etherstatsoverrsizepkts_lo);
1804
1805                 ADD_64(afex_stats->rx_frames_dropped_hi,
1806                        qstats->no_buff_discard_hi,
1807                        afex_stats->rx_frames_dropped_lo,
1808                        qstats->no_buff_discard_lo);
1809
1810                 ADD_64(afex_stats->tx_unicast_bytes_hi,
1811                        qstats->total_unicast_bytes_transmitted_hi,
1812                        afex_stats->tx_unicast_bytes_lo,
1813                        qstats->total_unicast_bytes_transmitted_lo);
1814
1815                 ADD_64(afex_stats->tx_broadcast_bytes_hi,
1816                        qstats->total_broadcast_bytes_transmitted_hi,
1817                        afex_stats->tx_broadcast_bytes_lo,
1818                        qstats->total_broadcast_bytes_transmitted_lo);
1819
1820                 ADD_64(afex_stats->tx_multicast_bytes_hi,
1821                        qstats->total_multicast_bytes_transmitted_hi,
1822                        afex_stats->tx_multicast_bytes_lo,
1823                        qstats->total_multicast_bytes_transmitted_lo);
1824
1825                 ADD_64(afex_stats->tx_unicast_frames_hi,
1826                        qstats->total_unicast_packets_transmitted_hi,
1827                        afex_stats->tx_unicast_frames_lo,
1828                        qstats->total_unicast_packets_transmitted_lo);
1829
1830                 ADD_64(afex_stats->tx_broadcast_frames_hi,
1831                        qstats->total_broadcast_packets_transmitted_hi,
1832                        afex_stats->tx_broadcast_frames_lo,
1833                        qstats->total_broadcast_packets_transmitted_lo);
1834
1835                 ADD_64(afex_stats->tx_multicast_frames_hi,
1836                        qstats->total_multicast_packets_transmitted_hi,
1837                        afex_stats->tx_multicast_frames_lo,
1838                        qstats->total_multicast_packets_transmitted_lo);
1839
1840                 ADD_64(afex_stats->tx_frames_dropped_hi,
1841                        qstats->total_transmitted_dropped_packets_error_hi,
1842                        afex_stats->tx_frames_dropped_lo,
1843                        qstats->total_transmitted_dropped_packets_error_lo);
1844         }
1845
1846         /* now add FCoE statistics which are collected separately
1847          * (both offloaded and non offloaded)
1848          */
1849         if (!NO_FCOE(bp)) {
1850                 ADD_64_LE(afex_stats->rx_unicast_bytes_hi,
1851                           LE32_0,
1852                           afex_stats->rx_unicast_bytes_lo,
1853                           fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
1854
1855                 ADD_64_LE(afex_stats->rx_unicast_bytes_hi,
1856                           fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
1857                           afex_stats->rx_unicast_bytes_lo,
1858                           fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
1859
1860                 ADD_64_LE(afex_stats->rx_broadcast_bytes_hi,
1861                           fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
1862                           afex_stats->rx_broadcast_bytes_lo,
1863                           fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
1864
1865                 ADD_64_LE(afex_stats->rx_multicast_bytes_hi,
1866                           fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
1867                           afex_stats->rx_multicast_bytes_lo,
1868                           fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
1869
1870                 ADD_64_LE(afex_stats->rx_unicast_frames_hi,
1871                           LE32_0,
1872                           afex_stats->rx_unicast_frames_lo,
1873                           fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
1874
1875                 ADD_64_LE(afex_stats->rx_unicast_frames_hi,
1876                           LE32_0,
1877                           afex_stats->rx_unicast_frames_lo,
1878                           fcoe_q_tstorm_stats->rcv_ucast_pkts);
1879
1880                 ADD_64_LE(afex_stats->rx_broadcast_frames_hi,
1881                           LE32_0,
1882                           afex_stats->rx_broadcast_frames_lo,
1883                           fcoe_q_tstorm_stats->rcv_bcast_pkts);
1884
1885                 ADD_64_LE(afex_stats->rx_multicast_frames_hi,
1886                           LE32_0,
1887                           afex_stats->rx_multicast_frames_lo,
1888                           fcoe_q_tstorm_stats->rcv_ucast_pkts);
1889
1890                 ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1891                           LE32_0,
1892                           afex_stats->rx_frames_discarded_lo,
1893                           fcoe_q_tstorm_stats->checksum_discard);
1894
1895                 ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1896                           LE32_0,
1897                           afex_stats->rx_frames_discarded_lo,
1898                           fcoe_q_tstorm_stats->pkts_too_big_discard);
1899
1900                 ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1901                           LE32_0,
1902                           afex_stats->rx_frames_discarded_lo,
1903                           fcoe_q_tstorm_stats->ttl0_discard);
1904
1905                 ADD_64_LE16(afex_stats->rx_frames_dropped_hi,
1906                             LE16_0,
1907                             afex_stats->rx_frames_dropped_lo,
1908                             fcoe_q_tstorm_stats->no_buff_discard);
1909
1910                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1911                           LE32_0,
1912                           afex_stats->rx_frames_dropped_lo,
1913                           fcoe_q_ustorm_stats->ucast_no_buff_pkts);
1914
1915                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1916                           LE32_0,
1917                           afex_stats->rx_frames_dropped_lo,
1918                           fcoe_q_ustorm_stats->mcast_no_buff_pkts);
1919
1920                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1921                           LE32_0,
1922                           afex_stats->rx_frames_dropped_lo,
1923                           fcoe_q_ustorm_stats->bcast_no_buff_pkts);
1924
1925                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1926                           LE32_0,
1927                           afex_stats->rx_frames_dropped_lo,
1928                           fw_fcoe_stat->rx_stat1.fcoe_rx_drop_pkt_cnt);
1929
1930                 ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1931                           LE32_0,
1932                           afex_stats->rx_frames_dropped_lo,
1933                           fw_fcoe_stat->rx_stat2.fcoe_rx_drop_pkt_cnt);
1934
1935                 ADD_64_LE(afex_stats->tx_unicast_bytes_hi,
1936                           LE32_0,
1937                           afex_stats->tx_unicast_bytes_lo,
1938                           fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
1939
1940                 ADD_64_LE(afex_stats->tx_unicast_bytes_hi,
1941                           fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
1942                           afex_stats->tx_unicast_bytes_lo,
1943                           fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
1944
1945                 ADD_64_LE(afex_stats->tx_broadcast_bytes_hi,
1946                           fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
1947                           afex_stats->tx_broadcast_bytes_lo,
1948                           fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
1949
1950                 ADD_64_LE(afex_stats->tx_multicast_bytes_hi,
1951                           fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
1952                           afex_stats->tx_multicast_bytes_lo,
1953                           fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
1954
1955                 ADD_64_LE(afex_stats->tx_unicast_frames_hi,
1956                           LE32_0,
1957                           afex_stats->tx_unicast_frames_lo,
1958                           fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
1959
1960                 ADD_64_LE(afex_stats->tx_unicast_frames_hi,
1961                           LE32_0,
1962                           afex_stats->tx_unicast_frames_lo,
1963                           fcoe_q_xstorm_stats->ucast_pkts_sent);
1964
1965                 ADD_64_LE(afex_stats->tx_broadcast_frames_hi,
1966                           LE32_0,
1967                           afex_stats->tx_broadcast_frames_lo,
1968                           fcoe_q_xstorm_stats->bcast_pkts_sent);
1969
1970                 ADD_64_LE(afex_stats->tx_multicast_frames_hi,
1971                           LE32_0,
1972                           afex_stats->tx_multicast_frames_lo,
1973                           fcoe_q_xstorm_stats->mcast_pkts_sent);
1974
1975                 ADD_64_LE(afex_stats->tx_frames_dropped_hi,
1976                           LE32_0,
1977                           afex_stats->tx_frames_dropped_lo,
1978                           fcoe_q_xstorm_stats->error_drop_pkts);
1979         }
1980
1981         /* if port stats are requested, add them to the PMF
1982          * stats, as anyway they will be accumulated by the
1983          * MCP before sent to the switch
1984          */
1985         if ((bp->port.pmf) && (stats_type == VICSTATST_UIF_INDEX)) {
1986                 ADD_64(afex_stats->rx_frames_dropped_hi,
1987                        0,
1988                        afex_stats->rx_frames_dropped_lo,
1989                        estats->mac_filter_discard);
1990                 ADD_64(afex_stats->rx_frames_dropped_hi,
1991                        0,
1992                        afex_stats->rx_frames_dropped_lo,
1993                        estats->brb_truncate_discard);
1994                 ADD_64(afex_stats->rx_frames_discarded_hi,
1995                        0,
1996                        afex_stats->rx_frames_discarded_lo,
1997                        estats->mac_discard);
1998         }
1999 }
2000
2001 void bnx2x_stats_safe_exec(struct bnx2x *bp,
2002                            void (func_to_exec)(void *cookie),
2003                            void *cookie){
2004         if (down_timeout(&bp->stats_sema, HZ/10))
2005                 BNX2X_ERR("Unable to acquire stats lock\n");
2006         bnx2x_stats_comp(bp);
2007         func_to_exec(cookie);
2008         __bnx2x_stats_start(bp);
2009         up(&bp->stats_sema);
2010 }