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

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