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

   1 /* bnx2x_stats.c: Broadcom Everest network driver.
   2  *
   3  * Copyright (c) 2007-2011 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
  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 /*
  43  * Init service functions
  44  */
  45
  46 /* Post the next statistics ramrod. Protect it with the spin in
  47  * order to ensure the strict order between statistics ramrods
  48  * (each ramrod has a sequence number passed in a
  49  * bp->fw_stats_req->hdr.drv_stats_counter and ramrods must be
  50  * sent in order).
  51  */
  52 static void bnx2x_storm_stats_post(struct bnx2x *bp)
  53 {
  54         if (!bp->stats_pending) {
  55                 int rc;
  56
  57                 spin_lock_bh(&bp->stats_lock);
  58
  59                 if (bp->stats_pending) {
  60                         spin_unlock_bh(&bp->stats_lock);
  61                         return;
  62                 }
  63
  64                 bp->fw_stats_req->hdr.drv_stats_counter =
  65                         cpu_to_le16(bp->stats_counter++);
  66
  67                 DP(NETIF_MSG_TIMER, "Sending statistics ramrod %d\n",
  68                         bp->fw_stats_req->hdr.drv_stats_counter);
  69
  70
  71
  72                 /* send FW stats ramrod */
  73                 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STAT_QUERY, 0,
  74                                    U64_HI(bp->fw_stats_req_mapping),
  75                                    U64_LO(bp->fw_stats_req_mapping),
  76                                    NONE_CONNECTION_TYPE);
  77                 if (rc == 0)
  78                         bp->stats_pending = 1;
  79
  80                 spin_unlock_bh(&bp->stats_lock);
  81         }
  82 }
  83
  84 static void bnx2x_hw_stats_post(struct bnx2x *bp)
  85 {
  86         struct dmae_command *dmae = &bp->stats_dmae;
  87         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
  88
  89         *stats_comp = DMAE_COMP_VAL;
  90         if (CHIP_REV_IS_SLOW(bp))
  91                 return;
  92
  93         /* loader */
  94         if (bp->executer_idx) {
  95                 int loader_idx = PMF_DMAE_C(bp);
  96                 u32 opcode =  bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
  97                                                  true, DMAE_COMP_GRC);
  98                 opcode = bnx2x_dmae_opcode_clr_src_reset(opcode);
  99
 100                 memset(dmae, 0, sizeof(struct dmae_command));
 101                 dmae->opcode = opcode;
 102                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
 103                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
 104                 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
 105                                      sizeof(struct dmae_command) *
 106                                      (loader_idx + 1)) >> 2;
 107                 dmae->dst_addr_hi = 0;
 108                 dmae->len = sizeof(struct dmae_command) >> 2;
 109                 if (CHIP_IS_E1(bp))
 110                         dmae->len--;
 111                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
 112                 dmae->comp_addr_hi = 0;
 113                 dmae->comp_val = 1;
 114
 115                 *stats_comp = 0;
 116                 bnx2x_post_dmae(bp, dmae, loader_idx);
 117
 118         } else if (bp->func_stx) {
 119                 *stats_comp = 0;
 120                 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
 121         }
 122 }
 123
 124 static int bnx2x_stats_comp(struct bnx2x *bp)
 125 {
 126         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 127         int cnt = 10;
 128
 129         might_sleep();
 130         while (*stats_comp != DMAE_COMP_VAL) {
 131                 if (!cnt) {
 132                         BNX2X_ERR("timeout waiting for stats finished\n");
 133                         break;
 134                 }
 135                 cnt--;
 136                 usleep_range(1000, 1000);
 137         }
 138         return 1;
 139 }
 140
 141 /*
 142  * Statistics service functions
 143  */
 144
 145 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
 146 {
 147         struct dmae_command *dmae;
 148         u32 opcode;
 149         int loader_idx = PMF_DMAE_C(bp);
 150         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 151
 152         /* sanity */
 153         if (!IS_MF(bp) || !bp->port.pmf || !bp->port.port_stx) {
 154                 BNX2X_ERR("BUG!\n");
 155                 return;
 156         }
 157
 158         bp->executer_idx = 0;
 159
 160         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI, false, 0);
 161
 162         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 163         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_GRC);
 164         dmae->src_addr_lo = bp->port.port_stx >> 2;
 165         dmae->src_addr_hi = 0;
 166         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 167         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 168         dmae->len = DMAE_LEN32_RD_MAX;
 169         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 170         dmae->comp_addr_hi = 0;
 171         dmae->comp_val = 1;
 172
 173         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 174         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
 175         dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
 176         dmae->src_addr_hi = 0;
 177         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
 178                                    DMAE_LEN32_RD_MAX * 4);
 179         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
 180                                    DMAE_LEN32_RD_MAX * 4);
 181         dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
 182         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 183         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 184         dmae->comp_val = DMAE_COMP_VAL;
 185
 186         *stats_comp = 0;
 187         bnx2x_hw_stats_post(bp);
 188         bnx2x_stats_comp(bp);
 189 }
 190
 191 static void bnx2x_port_stats_init(struct bnx2x *bp)
 192 {
 193         struct dmae_command *dmae;
 194         int port = BP_PORT(bp);
 195         u32 opcode;
 196         int loader_idx = PMF_DMAE_C(bp);
 197         u32 mac_addr;
 198         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 199
 200         /* sanity */
 201         if (!bp->link_vars.link_up || !bp->port.pmf) {
 202                 BNX2X_ERR("BUG!\n");
 203                 return;
 204         }
 205
 206         bp->executer_idx = 0;
 207
 208         /* MCP */
 209         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 210                                     true, DMAE_COMP_GRC);
 211
 212         if (bp->port.port_stx) {
 213
 214                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 215                 dmae->opcode = opcode;
 216                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 217                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 218                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
 219                 dmae->dst_addr_hi = 0;
 220                 dmae->len = sizeof(struct host_port_stats) >> 2;
 221                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 222                 dmae->comp_addr_hi = 0;
 223                 dmae->comp_val = 1;
 224         }
 225
 226         if (bp->func_stx) {
 227
 228                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 229                 dmae->opcode = opcode;
 230                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 231                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 232                 dmae->dst_addr_lo = bp->func_stx >> 2;
 233                 dmae->dst_addr_hi = 0;
 234                 dmae->len = sizeof(struct host_func_stats) >> 2;
 235                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 236                 dmae->comp_addr_hi = 0;
 237                 dmae->comp_val = 1;
 238         }
 239
 240         /* MAC */
 241         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 242                                    true, DMAE_COMP_GRC);
 243
 244         /* EMAC is special */
 245         if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
 246                 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
 247
 248                 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
 249                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 250                 dmae->opcode = opcode;
 251                 dmae->src_addr_lo = (mac_addr +
 252                                      EMAC_REG_EMAC_RX_STAT_AC) >> 2;
 253                 dmae->src_addr_hi = 0;
 254                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 255                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 256                 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
 257                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 258                 dmae->comp_addr_hi = 0;
 259                 dmae->comp_val = 1;
 260
 261                 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
 262                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 263                 dmae->opcode = opcode;
 264                 dmae->src_addr_lo = (mac_addr +
 265                                      EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
 266                 dmae->src_addr_hi = 0;
 267                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 268                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 269                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 270                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 271                 dmae->len = 1;
 272                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 273                 dmae->comp_addr_hi = 0;
 274                 dmae->comp_val = 1;
 275
 276                 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
 277                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 278                 dmae->opcode = opcode;
 279                 dmae->src_addr_lo = (mac_addr +
 280                                      EMAC_REG_EMAC_TX_STAT_AC) >> 2;
 281                 dmae->src_addr_hi = 0;
 282                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 283                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 284                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 285                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 286                 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
 287                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 288                 dmae->comp_addr_hi = 0;
 289                 dmae->comp_val = 1;
 290         } else {
 291                 u32 tx_src_addr_lo, rx_src_addr_lo;
 292                 u16 rx_len, tx_len;
 293
 294                 /* configure the params according to MAC type */
 295                 switch (bp->link_vars.mac_type) {
 296                 case MAC_TYPE_BMAC:
 297                         mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
 298                                            NIG_REG_INGRESS_BMAC0_MEM);
 299
 300                         /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
 301                            BIGMAC_REGISTER_TX_STAT_GTBYT */
 302                         if (CHIP_IS_E1x(bp)) {
 303                                 tx_src_addr_lo = (mac_addr +
 304                                         BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 305                                 tx_len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
 306                                           BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 307                                 rx_src_addr_lo = (mac_addr +
 308                                         BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 309                                 rx_len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
 310                                           BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 311                         } else {
 312                                 tx_src_addr_lo = (mac_addr +
 313                                         BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 314                                 tx_len = (8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
 315                                           BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 316                                 rx_src_addr_lo = (mac_addr +
 317                                         BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 318                                 rx_len = (8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
 319                                           BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 320                         }
 321                         break;
 322
 323                 case MAC_TYPE_UMAC: /* handled by MSTAT */
 324                 case MAC_TYPE_XMAC: /* handled by MSTAT */
 325                 default:
 326                         mac_addr = port ? GRCBASE_MSTAT1 : GRCBASE_MSTAT0;
 327                         tx_src_addr_lo = (mac_addr +
 328                                           MSTAT_REG_TX_STAT_GTXPOK_LO) >> 2;
 329                         rx_src_addr_lo = (mac_addr +
 330                                           MSTAT_REG_RX_STAT_GR64_LO) >> 2;
 331                         tx_len = sizeof(bp->slowpath->
 332                                         mac_stats.mstat_stats.stats_tx) >> 2;
 333                         rx_len = sizeof(bp->slowpath->
 334                                         mac_stats.mstat_stats.stats_rx) >> 2;
 335                         break;
 336                 }
 337
 338                 /* TX stats */
 339                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 340                 dmae->opcode = opcode;
 341                 dmae->src_addr_lo = tx_src_addr_lo;
 342                 dmae->src_addr_hi = 0;
 343                 dmae->len = tx_len;
 344                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 345                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 346                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 347                 dmae->comp_addr_hi = 0;
 348                 dmae->comp_val = 1;
 349
 350                 /* RX stats */
 351                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 352                 dmae->opcode = opcode;
 353                 dmae->src_addr_hi = 0;
 354                 dmae->src_addr_lo = rx_src_addr_lo;
 355                 dmae->dst_addr_lo =
 356                         U64_LO(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 357                 dmae->dst_addr_hi =
 358                         U64_HI(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 359                 dmae->len = rx_len;
 360                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 361                 dmae->comp_addr_hi = 0;
 362                 dmae->comp_val = 1;
 363         }
 364
 365         /* NIG */
 366         if (!CHIP_IS_E3(bp)) {
 367                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 368                 dmae->opcode = opcode;
 369                 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
 370                                             NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
 371                 dmae->src_addr_hi = 0;
 372                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 373                                 offsetof(struct nig_stats, egress_mac_pkt0_lo));
 374                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 375                                 offsetof(struct nig_stats, egress_mac_pkt0_lo));
 376                 dmae->len = (2*sizeof(u32)) >> 2;
 377                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 378                 dmae->comp_addr_hi = 0;
 379                 dmae->comp_val = 1;
 380
 381                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 382                 dmae->opcode = opcode;
 383                 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
 384                                             NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
 385                 dmae->src_addr_hi = 0;
 386                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 387                                 offsetof(struct nig_stats, egress_mac_pkt1_lo));
 388                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 389                                 offsetof(struct nig_stats, egress_mac_pkt1_lo));
 390                 dmae->len = (2*sizeof(u32)) >> 2;
 391                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 392                 dmae->comp_addr_hi = 0;
 393                 dmae->comp_val = 1;
 394         }
 395
 396         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 397         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 398                                                  true, DMAE_COMP_PCI);
 399         dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
 400                                     NIG_REG_STAT0_BRB_DISCARD) >> 2;
 401         dmae->src_addr_hi = 0;
 402         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
 403         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
 404         dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
 405
 406         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 407         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 408         dmae->comp_val = DMAE_COMP_VAL;
 409
 410         *stats_comp = 0;
 411 }
 412
 413 static void bnx2x_func_stats_init(struct bnx2x *bp)
 414 {
 415         struct dmae_command *dmae = &bp->stats_dmae;
 416         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 417
 418         /* sanity */
 419         if (!bp->func_stx) {
 420                 BNX2X_ERR("BUG!\n");
 421                 return;
 422         }
 423
 424         bp->executer_idx = 0;
 425         memset(dmae, 0, sizeof(struct dmae_command));
 426
 427         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 428                                          true, DMAE_COMP_PCI);
 429         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 430         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 431         dmae->dst_addr_lo = bp->func_stx >> 2;
 432         dmae->dst_addr_hi = 0;
 433         dmae->len = sizeof(struct host_func_stats) >> 2;
 434         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 435         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 436         dmae->comp_val = DMAE_COMP_VAL;
 437
 438         *stats_comp = 0;
 439 }
 440
 441 static void bnx2x_stats_start(struct bnx2x *bp)
 442 {
 443         if (bp->port.pmf)
 444                 bnx2x_port_stats_init(bp);
 445
 446         else if (bp->func_stx)
 447                 bnx2x_func_stats_init(bp);
 448
 449         bnx2x_hw_stats_post(bp);
 450         bnx2x_storm_stats_post(bp);
 451 }
 452
 453 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
 454 {
 455         bnx2x_stats_comp(bp);
 456         bnx2x_stats_pmf_update(bp);
 457         bnx2x_stats_start(bp);
 458 }
 459
 460 static void bnx2x_stats_restart(struct bnx2x *bp)
 461 {
 462         bnx2x_stats_comp(bp);
 463         bnx2x_stats_start(bp);
 464 }
 465
 466 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
 467 {
 468         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 469         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 470         struct {
 471                 u32 lo;
 472                 u32 hi;
 473         } diff;
 474
 475         if (CHIP_IS_E1x(bp)) {
 476                 struct bmac1_stats *new = bnx2x_sp(bp, mac_stats.bmac1_stats);
 477
 478                 /* the macros below will use "bmac1_stats" type */
 479                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 480                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 481                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 482                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 483                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 484                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 485                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 486                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 487                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 488
 489                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 490                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 491                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 492                 UPDATE_STAT64(tx_stat_gt127,
 493                                 tx_stat_etherstatspkts65octetsto127octets);
 494                 UPDATE_STAT64(tx_stat_gt255,
 495                                 tx_stat_etherstatspkts128octetsto255octets);
 496                 UPDATE_STAT64(tx_stat_gt511,
 497                                 tx_stat_etherstatspkts256octetsto511octets);
 498                 UPDATE_STAT64(tx_stat_gt1023,
 499                                 tx_stat_etherstatspkts512octetsto1023octets);
 500                 UPDATE_STAT64(tx_stat_gt1518,
 501                                 tx_stat_etherstatspkts1024octetsto1522octets);
 502                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 503                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 504                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 505                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 506                 UPDATE_STAT64(tx_stat_gterr,
 507                                 tx_stat_dot3statsinternalmactransmiterrors);
 508                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 509
 510         } else {
 511                 struct bmac2_stats *new = bnx2x_sp(bp, mac_stats.bmac2_stats);
 512
 513                 /* the macros below will use "bmac2_stats" type */
 514                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 515                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 516                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 517                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 518                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 519                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 520                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 521                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 522                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 523                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 524                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 525                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 526                 UPDATE_STAT64(tx_stat_gt127,
 527                                 tx_stat_etherstatspkts65octetsto127octets);
 528                 UPDATE_STAT64(tx_stat_gt255,
 529                                 tx_stat_etherstatspkts128octetsto255octets);
 530                 UPDATE_STAT64(tx_stat_gt511,
 531                                 tx_stat_etherstatspkts256octetsto511octets);
 532                 UPDATE_STAT64(tx_stat_gt1023,
 533                                 tx_stat_etherstatspkts512octetsto1023octets);
 534                 UPDATE_STAT64(tx_stat_gt1518,
 535                                 tx_stat_etherstatspkts1024octetsto1522octets);
 536                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 537                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 538                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 539                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 540                 UPDATE_STAT64(tx_stat_gterr,
 541                                 tx_stat_dot3statsinternalmactransmiterrors);
 542                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 543
 544                 /* collect PFC stats */
 545                 DIFF_64(diff.hi, new->tx_stat_gtpp_hi,
 546                         pstats->pfc_frames_tx_hi,
 547                         diff.lo, new->tx_stat_gtpp_lo,
 548                         pstats->pfc_frames_tx_lo);
 549                 pstats->pfc_frames_tx_hi = new->tx_stat_gtpp_hi;
 550                 pstats->pfc_frames_tx_lo = new->tx_stat_gtpp_lo;
 551                 ADD_64(pstats->pfc_frames_tx_hi, diff.hi,
 552                         pstats->pfc_frames_tx_lo, diff.lo);
 553
 554                 DIFF_64(diff.hi, new->rx_stat_grpp_hi,
 555                         pstats->pfc_frames_rx_hi,
 556                         diff.lo, new->rx_stat_grpp_lo,
 557                         pstats->pfc_frames_rx_lo);
 558                 pstats->pfc_frames_rx_hi = new->rx_stat_grpp_hi;
 559                 pstats->pfc_frames_rx_lo = new->rx_stat_grpp_lo;
 560                 ADD_64(pstats->pfc_frames_rx_hi, diff.hi,
 561                         pstats->pfc_frames_rx_lo, diff.lo);
 562         }
 563
 564         estats->pause_frames_received_hi =
 565                                 pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 566         estats->pause_frames_received_lo =
 567                                 pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 568
 569         estats->pause_frames_sent_hi =
 570                                 pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 571         estats->pause_frames_sent_lo =
 572                                 pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 573
 574         estats->pfc_frames_received_hi =
 575                                 pstats->pfc_frames_rx_hi;
 576         estats->pfc_frames_received_lo =
 577                                 pstats->pfc_frames_rx_lo;
 578         estats->pfc_frames_sent_hi =
 579                                 pstats->pfc_frames_tx_hi;
 580         estats->pfc_frames_sent_lo =
 581                                 pstats->pfc_frames_tx_lo;
 582 }
 583
 584 static void bnx2x_mstat_stats_update(struct bnx2x *bp)
 585 {
 586         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 587         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 588
 589         struct mstat_stats *new = bnx2x_sp(bp, mac_stats.mstat_stats);
 590
 591         ADD_STAT64(stats_rx.rx_grerb, rx_stat_ifhcinbadoctets);
 592         ADD_STAT64(stats_rx.rx_grfcs, rx_stat_dot3statsfcserrors);
 593         ADD_STAT64(stats_rx.rx_grund, rx_stat_etherstatsundersizepkts);
 594         ADD_STAT64(stats_rx.rx_grovr, rx_stat_dot3statsframestoolong);
 595         ADD_STAT64(stats_rx.rx_grfrg, rx_stat_etherstatsfragments);
 596         ADD_STAT64(stats_rx.rx_grxcf, rx_stat_maccontrolframesreceived);
 597         ADD_STAT64(stats_rx.rx_grxpf, rx_stat_xoffstateentered);
 598         ADD_STAT64(stats_rx.rx_grxpf, rx_stat_mac_xpf);
 599         ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_outxoffsent);
 600         ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_flowcontroldone);
 601
 602         /* collect pfc stats */
 603         ADD_64(pstats->pfc_frames_tx_hi, new->stats_tx.tx_gtxpp_hi,
 604                 pstats->pfc_frames_tx_lo, new->stats_tx.tx_gtxpp_lo);
 605         ADD_64(pstats->pfc_frames_rx_hi, new->stats_rx.rx_grxpp_hi,
 606                 pstats->pfc_frames_rx_lo, new->stats_rx.rx_grxpp_lo);
 607
 608         ADD_STAT64(stats_tx.tx_gt64, tx_stat_etherstatspkts64octets);
 609         ADD_STAT64(stats_tx.tx_gt127,
 610                         tx_stat_etherstatspkts65octetsto127octets);
 611         ADD_STAT64(stats_tx.tx_gt255,
 612                         tx_stat_etherstatspkts128octetsto255octets);
 613         ADD_STAT64(stats_tx.tx_gt511,
 614                         tx_stat_etherstatspkts256octetsto511octets);
 615         ADD_STAT64(stats_tx.tx_gt1023,
 616                         tx_stat_etherstatspkts512octetsto1023octets);
 617         ADD_STAT64(stats_tx.tx_gt1518,
 618                         tx_stat_etherstatspkts1024octetsto1522octets);
 619         ADD_STAT64(stats_tx.tx_gt2047, tx_stat_mac_2047);
 620
 621         ADD_STAT64(stats_tx.tx_gt4095, tx_stat_mac_4095);
 622         ADD_STAT64(stats_tx.tx_gt9216, tx_stat_mac_9216);
 623         ADD_STAT64(stats_tx.tx_gt16383, tx_stat_mac_16383);
 624
 625         ADD_STAT64(stats_tx.tx_gterr,
 626                         tx_stat_dot3statsinternalmactransmiterrors);
 627         ADD_STAT64(stats_tx.tx_gtufl, tx_stat_mac_ufl);
 628
 629         ADD_64(estats->etherstatspkts1024octetsto1522octets_hi,
 630                new->stats_tx.tx_gt1518_hi,
 631                estats->etherstatspkts1024octetsto1522octets_lo,
 632                new->stats_tx.tx_gt1518_lo);
 633
 634         ADD_64(estats->etherstatspktsover1522octets_hi,
 635                new->stats_tx.tx_gt2047_hi,
 636                estats->etherstatspktsover1522octets_lo,
 637                new->stats_tx.tx_gt2047_lo);
 638
 639         ADD_64(estats->etherstatspktsover1522octets_hi,
 640                new->stats_tx.tx_gt4095_hi,
 641                estats->etherstatspktsover1522octets_lo,
 642                new->stats_tx.tx_gt4095_lo);
 643
 644         ADD_64(estats->etherstatspktsover1522octets_hi,
 645                new->stats_tx.tx_gt9216_hi,
 646                estats->etherstatspktsover1522octets_lo,
 647                new->stats_tx.tx_gt9216_lo);
 648
 649
 650         ADD_64(estats->etherstatspktsover1522octets_hi,
 651                new->stats_tx.tx_gt16383_hi,
 652                estats->etherstatspktsover1522octets_lo,
 653                new->stats_tx.tx_gt16383_lo);
 654
 655         estats->pause_frames_received_hi =
 656                                 pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 657         estats->pause_frames_received_lo =
 658                                 pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 659
 660         estats->pause_frames_sent_hi =
 661                                 pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 662         estats->pause_frames_sent_lo =
 663                                 pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 664
 665         estats->pfc_frames_received_hi =
 666                                 pstats->pfc_frames_rx_hi;
 667         estats->pfc_frames_received_lo =
 668                                 pstats->pfc_frames_rx_lo;
 669         estats->pfc_frames_sent_hi =
 670                                 pstats->pfc_frames_tx_hi;
 671         estats->pfc_frames_sent_lo =
 672                                 pstats->pfc_frames_tx_lo;
 673 }
 674
 675 static void bnx2x_emac_stats_update(struct bnx2x *bp)
 676 {
 677         struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
 678         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 679         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 680
 681         UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
 682         UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
 683         UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
 684         UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
 685         UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
 686         UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
 687         UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
 688         UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
 689         UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
 690         UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
 691         UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
 692         UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
 693         UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
 694         UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
 695         UPDATE_EXTEND_STAT(tx_stat_outxonsent);
 696         UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
 697         UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
 698         UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
 699         UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
 700         UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
 701         UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
 702         UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
 703         UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
 704         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
 705         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
 706         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
 707         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
 708         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
 709         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
 710         UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
 711         UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
 712
 713         estats->pause_frames_received_hi =
 714                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi;
 715         estats->pause_frames_received_lo =
 716                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo;
 717         ADD_64(estats->pause_frames_received_hi,
 718                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi,
 719                estats->pause_frames_received_lo,
 720                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo);
 721
 722         estats->pause_frames_sent_hi =
 723                         pstats->mac_stx[1].tx_stat_outxonsent_hi;
 724         estats->pause_frames_sent_lo =
 725                         pstats->mac_stx[1].tx_stat_outxonsent_lo;
 726         ADD_64(estats->pause_frames_sent_hi,
 727                pstats->mac_stx[1].tx_stat_outxoffsent_hi,
 728                estats->pause_frames_sent_lo,
 729                pstats->mac_stx[1].tx_stat_outxoffsent_lo);
 730 }
 731
 732 static int bnx2x_hw_stats_update(struct bnx2x *bp)
 733 {
 734         struct nig_stats *new = bnx2x_sp(bp, nig_stats);
 735         struct nig_stats *old = &(bp->port.old_nig_stats);
 736         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 737         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 738         struct {
 739                 u32 lo;
 740                 u32 hi;
 741         } diff;
 742
 743         switch (bp->link_vars.mac_type) {
 744         case MAC_TYPE_BMAC:
 745                 bnx2x_bmac_stats_update(bp);
 746                 break;
 747
 748         case MAC_TYPE_EMAC:
 749                 bnx2x_emac_stats_update(bp);
 750                 break;
 751
 752         case MAC_TYPE_UMAC:
 753         case MAC_TYPE_XMAC:
 754                 bnx2x_mstat_stats_update(bp);
 755                 break;
 756
 757         case MAC_TYPE_NONE: /* unreached */
 758                 DP(BNX2X_MSG_STATS,
 759                    "stats updated by DMAE but no MAC active\n");
 760                 return -1;
 761
 762         default: /* unreached */
 763                 BNX2X_ERR("Unknown MAC type\n");
 764         }
 765
 766         ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
 767                       new->brb_discard - old->brb_discard);
 768         ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
 769                       new->brb_truncate - old->brb_truncate);
 770
 771         if (!CHIP_IS_E3(bp)) {
 772                 UPDATE_STAT64_NIG(egress_mac_pkt0,
 773                                         etherstatspkts1024octetsto1522octets);
 774                 UPDATE_STAT64_NIG(egress_mac_pkt1,
 775                                         etherstatspktsover1522octets);
 776         }
 777
 778         memcpy(old, new, sizeof(struct nig_stats));
 779
 780         memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
 781                sizeof(struct mac_stx));
 782         estats->brb_drop_hi = pstats->brb_drop_hi;
 783         estats->brb_drop_lo = pstats->brb_drop_lo;
 784
 785         pstats->host_port_stats_counter++;
 786
 787         if (!BP_NOMCP(bp)) {
 788                 u32 nig_timer_max =
 789                         SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer);
 790                 if (nig_timer_max != estats->nig_timer_max) {
 791                         estats->nig_timer_max = nig_timer_max;
 792                         BNX2X_ERR("NIG timer max (%u)\n",
 793                                   estats->nig_timer_max);
 794                 }
 795         }
 796
 797         return 0;
 798 }
 799
 800 static int bnx2x_storm_stats_update(struct bnx2x *bp)
 801 {
 802         struct tstorm_per_port_stats *tport =
 803                                 &bp->fw_stats_data->port.tstorm_port_statistics;
 804         struct tstorm_per_pf_stats *tfunc =
 805                                 &bp->fw_stats_data->pf.tstorm_pf_statistics;
 806         struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
 807         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 808         struct stats_counter *counters = &bp->fw_stats_data->storm_counters;
 809         int i;
 810         u16 cur_stats_counter;
 811
 812         /* Make sure we use the value of the counter
 813          * used for sending the last stats ramrod.
 814          */
 815         spin_lock_bh(&bp->stats_lock);
 816         cur_stats_counter = bp->stats_counter - 1;
 817         spin_unlock_bh(&bp->stats_lock);
 818
 819         /* are storm stats valid? */
 820         if (le16_to_cpu(counters->xstats_counter) != cur_stats_counter) {
 821                 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
 822                    "  xstorm counter (0x%x) != stats_counter (0x%x)\n",
 823                    le16_to_cpu(counters->xstats_counter), bp->stats_counter);
 824                 return -EAGAIN;
 825         }
 826
 827         if (le16_to_cpu(counters->ustats_counter) != cur_stats_counter) {
 828                 DP(BNX2X_MSG_STATS, "stats not updated by ustorm"
 829                    "  ustorm counter (0x%x) != stats_counter (0x%x)\n",
 830                    le16_to_cpu(counters->ustats_counter), bp->stats_counter);
 831                 return -EAGAIN;
 832         }
 833
 834         if (le16_to_cpu(counters->cstats_counter) != cur_stats_counter) {
 835                 DP(BNX2X_MSG_STATS, "stats not updated by cstorm"
 836                    "  cstorm counter (0x%x) != stats_counter (0x%x)\n",
 837                    le16_to_cpu(counters->cstats_counter), bp->stats_counter);
 838                 return -EAGAIN;
 839         }
 840
 841         if (le16_to_cpu(counters->tstats_counter) != cur_stats_counter) {
 842                 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
 843                    "  tstorm counter (0x%x) != stats_counter (0x%x)\n",
 844                    le16_to_cpu(counters->tstats_counter), bp->stats_counter);
 845                 return -EAGAIN;
 846         }
 847
 848         memcpy(&(fstats->total_bytes_received_hi),
 849                &(bnx2x_sp(bp, func_stats_base)->total_bytes_received_hi),
 850                sizeof(struct host_func_stats) - 2*sizeof(u32));
 851         estats->error_bytes_received_hi = 0;
 852         estats->error_bytes_received_lo = 0;
 853         estats->etherstatsoverrsizepkts_hi = 0;
 854         estats->etherstatsoverrsizepkts_lo = 0;
 855         estats->no_buff_discard_hi = 0;
 856         estats->no_buff_discard_lo = 0;
 857         estats->total_tpa_aggregations_hi = 0;
 858         estats->total_tpa_aggregations_lo = 0;
 859         estats->total_tpa_aggregated_frames_hi = 0;
 860         estats->total_tpa_aggregated_frames_lo = 0;
 861         estats->total_tpa_bytes_hi = 0;
 862         estats->total_tpa_bytes_lo = 0;
 863
 864         for_each_eth_queue(bp, i) {
 865                 struct bnx2x_fastpath *fp = &bp->fp[i];
 866                 struct tstorm_per_queue_stats *tclient =
 867                         &bp->fw_stats_data->queue_stats[i].
 868                         tstorm_queue_statistics;
 869                 struct tstorm_per_queue_stats *old_tclient = &fp->old_tclient;
 870                 struct ustorm_per_queue_stats *uclient =
 871                         &bp->fw_stats_data->queue_stats[i].
 872                         ustorm_queue_statistics;
 873                 struct ustorm_per_queue_stats *old_uclient = &fp->old_uclient;
 874                 struct xstorm_per_queue_stats *xclient =
 875                         &bp->fw_stats_data->queue_stats[i].
 876                         xstorm_queue_statistics;
 877                 struct xstorm_per_queue_stats *old_xclient = &fp->old_xclient;
 878                 struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
 879                 u32 diff;
 880
 881                 DP(BNX2X_MSG_STATS, "queue[%d]: ucast_sent 0x%x, "
 882                                     "bcast_sent 0x%x mcast_sent 0x%x\n",
 883                    i, xclient->ucast_pkts_sent,
 884                    xclient->bcast_pkts_sent, xclient->mcast_pkts_sent);
 885
 886                 DP(BNX2X_MSG_STATS, "---------------\n");
 887
 888                 qstats->total_broadcast_bytes_received_hi =
 889                         le32_to_cpu(tclient->rcv_bcast_bytes.hi);
 890                 qstats->total_broadcast_bytes_received_lo =
 891                         le32_to_cpu(tclient->rcv_bcast_bytes.lo);
 892
 893                 qstats->total_multicast_bytes_received_hi =
 894                         le32_to_cpu(tclient->rcv_mcast_bytes.hi);
 895                 qstats->total_multicast_bytes_received_lo =
 896                         le32_to_cpu(tclient->rcv_mcast_bytes.lo);
 897
 898                 qstats->total_unicast_bytes_received_hi =
 899                         le32_to_cpu(tclient->rcv_ucast_bytes.hi);
 900                 qstats->total_unicast_bytes_received_lo =
 901                         le32_to_cpu(tclient->rcv_ucast_bytes.lo);
 902
 903                 /*
 904                  * sum to total_bytes_received all
 905                  * unicast/multicast/broadcast
 906                  */
 907                 qstats->total_bytes_received_hi =
 908                         qstats->total_broadcast_bytes_received_hi;
 909                 qstats->total_bytes_received_lo =
 910                         qstats->total_broadcast_bytes_received_lo;
 911
 912                 ADD_64(qstats->total_bytes_received_hi,
 913                        qstats->total_multicast_bytes_received_hi,
 914                        qstats->total_bytes_received_lo,
 915                        qstats->total_multicast_bytes_received_lo);
 916
 917                 ADD_64(qstats->total_bytes_received_hi,
 918                        qstats->total_unicast_bytes_received_hi,
 919                        qstats->total_bytes_received_lo,
 920                        qstats->total_unicast_bytes_received_lo);
 921
 922                 qstats->valid_bytes_received_hi =
 923                                         qstats->total_bytes_received_hi;
 924                 qstats->valid_bytes_received_lo =
 925                                         qstats->total_bytes_received_lo;
 926
 927
 928                 UPDATE_EXTEND_TSTAT(rcv_ucast_pkts,
 929                                         total_unicast_packets_received);
 930                 UPDATE_EXTEND_TSTAT(rcv_mcast_pkts,
 931                                         total_multicast_packets_received);
 932                 UPDATE_EXTEND_TSTAT(rcv_bcast_pkts,
 933                                         total_broadcast_packets_received);
 934                 UPDATE_EXTEND_TSTAT(pkts_too_big_discard,
 935                                         etherstatsoverrsizepkts);
 936                 UPDATE_EXTEND_TSTAT(no_buff_discard, no_buff_discard);
 937
 938                 SUB_EXTEND_USTAT(ucast_no_buff_pkts,
 939                                         total_unicast_packets_received);
 940                 SUB_EXTEND_USTAT(mcast_no_buff_pkts,
 941                                         total_multicast_packets_received);
 942                 SUB_EXTEND_USTAT(bcast_no_buff_pkts,
 943                                         total_broadcast_packets_received);
 944                 UPDATE_EXTEND_USTAT(ucast_no_buff_pkts, no_buff_discard);
 945                 UPDATE_EXTEND_USTAT(mcast_no_buff_pkts, no_buff_discard);
 946                 UPDATE_EXTEND_USTAT(bcast_no_buff_pkts, no_buff_discard);
 947
 948                 qstats->total_broadcast_bytes_transmitted_hi =
 949                         le32_to_cpu(xclient->bcast_bytes_sent.hi);
 950                 qstats->total_broadcast_bytes_transmitted_lo =
 951                         le32_to_cpu(xclient->bcast_bytes_sent.lo);
 952
 953                 qstats->total_multicast_bytes_transmitted_hi =
 954                         le32_to_cpu(xclient->mcast_bytes_sent.hi);
 955                 qstats->total_multicast_bytes_transmitted_lo =
 956                         le32_to_cpu(xclient->mcast_bytes_sent.lo);
 957
 958                 qstats->total_unicast_bytes_transmitted_hi =
 959                         le32_to_cpu(xclient->ucast_bytes_sent.hi);
 960                 qstats->total_unicast_bytes_transmitted_lo =
 961                         le32_to_cpu(xclient->ucast_bytes_sent.lo);
 962                 /*
 963                  * sum to total_bytes_transmitted all
 964                  * unicast/multicast/broadcast
 965                  */
 966                 qstats->total_bytes_transmitted_hi =
 967                                 qstats->total_unicast_bytes_transmitted_hi;
 968                 qstats->total_bytes_transmitted_lo =
 969                                 qstats->total_unicast_bytes_transmitted_lo;
 970
 971                 ADD_64(qstats->total_bytes_transmitted_hi,
 972                        qstats->total_broadcast_bytes_transmitted_hi,
 973                        qstats->total_bytes_transmitted_lo,
 974                        qstats->total_broadcast_bytes_transmitted_lo);
 975
 976                 ADD_64(qstats->total_bytes_transmitted_hi,
 977                        qstats->total_multicast_bytes_transmitted_hi,
 978                        qstats->total_bytes_transmitted_lo,
 979                        qstats->total_multicast_bytes_transmitted_lo);
 980
 981                 UPDATE_EXTEND_XSTAT(ucast_pkts_sent,
 982                                         total_unicast_packets_transmitted);
 983                 UPDATE_EXTEND_XSTAT(mcast_pkts_sent,
 984                                         total_multicast_packets_transmitted);
 985                 UPDATE_EXTEND_XSTAT(bcast_pkts_sent,
 986                                         total_broadcast_packets_transmitted);
 987
 988                 UPDATE_EXTEND_TSTAT(checksum_discard,
 989                                     total_packets_received_checksum_discarded);
 990                 UPDATE_EXTEND_TSTAT(ttl0_discard,
 991                                     total_packets_received_ttl0_discarded);
 992
 993                 UPDATE_EXTEND_XSTAT(error_drop_pkts,
 994                                     total_transmitted_dropped_packets_error);
 995
 996                 /* TPA aggregations completed */
 997                 UPDATE_EXTEND_USTAT(coalesced_events, total_tpa_aggregations);
 998                 /* Number of network frames aggregated by TPA */
 999                 UPDATE_EXTEND_USTAT(coalesced_pkts,
1000                                     total_tpa_aggregated_frames);
1001                 /* Total number of bytes in completed TPA aggregations */
1002                 qstats->total_tpa_bytes_lo =
1003                         le32_to_cpu(uclient->coalesced_bytes.lo);
1004                 qstats->total_tpa_bytes_hi =
1005                         le32_to_cpu(uclient->coalesced_bytes.hi);
1006
1007                 /* TPA stats per-function */
1008                 ADD_64(estats->total_tpa_aggregations_hi,
1009                        qstats->total_tpa_aggregations_hi,
1010                        estats->total_tpa_aggregations_lo,
1011                        qstats->total_tpa_aggregations_lo);
1012                 ADD_64(estats->total_tpa_aggregated_frames_hi,
1013                        qstats->total_tpa_aggregated_frames_hi,
1014                        estats->total_tpa_aggregated_frames_lo,
1015                        qstats->total_tpa_aggregated_frames_lo);
1016                 ADD_64(estats->total_tpa_bytes_hi,
1017                        qstats->total_tpa_bytes_hi,
1018                        estats->total_tpa_bytes_lo,
1019                        qstats->total_tpa_bytes_lo);
1020
1021                 ADD_64(fstats->total_bytes_received_hi,
1022                        qstats->total_bytes_received_hi,
1023                        fstats->total_bytes_received_lo,
1024                        qstats->total_bytes_received_lo);
1025                 ADD_64(fstats->total_bytes_transmitted_hi,
1026                        qstats->total_bytes_transmitted_hi,
1027                        fstats->total_bytes_transmitted_lo,
1028                        qstats->total_bytes_transmitted_lo);
1029                 ADD_64(fstats->total_unicast_packets_received_hi,
1030                        qstats->total_unicast_packets_received_hi,
1031                        fstats->total_unicast_packets_received_lo,
1032                        qstats->total_unicast_packets_received_lo);
1033                 ADD_64(fstats->total_multicast_packets_received_hi,
1034                        qstats->total_multicast_packets_received_hi,
1035                        fstats->total_multicast_packets_received_lo,
1036                        qstats->total_multicast_packets_received_lo);
1037                 ADD_64(fstats->total_broadcast_packets_received_hi,
1038                        qstats->total_broadcast_packets_received_hi,
1039                        fstats->total_broadcast_packets_received_lo,
1040                        qstats->total_broadcast_packets_received_lo);
1041                 ADD_64(fstats->total_unicast_packets_transmitted_hi,
1042                        qstats->total_unicast_packets_transmitted_hi,
1043                        fstats->total_unicast_packets_transmitted_lo,
1044                        qstats->total_unicast_packets_transmitted_lo);
1045                 ADD_64(fstats->total_multicast_packets_transmitted_hi,
1046                        qstats->total_multicast_packets_transmitted_hi,
1047                        fstats->total_multicast_packets_transmitted_lo,
1048                        qstats->total_multicast_packets_transmitted_lo);
1049                 ADD_64(fstats->total_broadcast_packets_transmitted_hi,
1050                        qstats->total_broadcast_packets_transmitted_hi,
1051                        fstats->total_broadcast_packets_transmitted_lo,
1052                        qstats->total_broadcast_packets_transmitted_lo);
1053                 ADD_64(fstats->valid_bytes_received_hi,
1054                        qstats->valid_bytes_received_hi,
1055                        fstats->valid_bytes_received_lo,
1056                        qstats->valid_bytes_received_lo);
1057
1058                 ADD_64(estats->etherstatsoverrsizepkts_hi,
1059                        qstats->etherstatsoverrsizepkts_hi,
1060                        estats->etherstatsoverrsizepkts_lo,
1061                        qstats->etherstatsoverrsizepkts_lo);
1062                 ADD_64(estats->no_buff_discard_hi, qstats->no_buff_discard_hi,
1063                        estats->no_buff_discard_lo, qstats->no_buff_discard_lo);
1064         }
1065
1066         ADD_64(fstats->total_bytes_received_hi,
1067                estats->rx_stat_ifhcinbadoctets_hi,
1068                fstats->total_bytes_received_lo,
1069                estats->rx_stat_ifhcinbadoctets_lo);
1070
1071         ADD_64(fstats->total_bytes_received_hi,
1072                tfunc->rcv_error_bytes.hi,
1073                fstats->total_bytes_received_lo,
1074                tfunc->rcv_error_bytes.lo);
1075
1076         memcpy(estats, &(fstats->total_bytes_received_hi),
1077                sizeof(struct host_func_stats) - 2*sizeof(u32));
1078
1079         ADD_64(estats->error_bytes_received_hi,
1080                tfunc->rcv_error_bytes.hi,
1081                estats->error_bytes_received_lo,
1082                tfunc->rcv_error_bytes.lo);
1083
1084         ADD_64(estats->etherstatsoverrsizepkts_hi,
1085                estats->rx_stat_dot3statsframestoolong_hi,
1086                estats->etherstatsoverrsizepkts_lo,
1087                estats->rx_stat_dot3statsframestoolong_lo);
1088         ADD_64(estats->error_bytes_received_hi,
1089                estats->rx_stat_ifhcinbadoctets_hi,
1090                estats->error_bytes_received_lo,
1091                estats->rx_stat_ifhcinbadoctets_lo);
1092
1093         if (bp->port.pmf) {
1094                 estats->mac_filter_discard =
1095                                 le32_to_cpu(tport->mac_filter_discard);
1096                 estats->mf_tag_discard =
1097                                 le32_to_cpu(tport->mf_tag_discard);
1098                 estats->brb_truncate_discard =
1099                                 le32_to_cpu(tport->brb_truncate_discard);
1100                 estats->mac_discard = le32_to_cpu(tport->mac_discard);
1101         }
1102
1103         fstats->host_func_stats_start = ++fstats->host_func_stats_end;
1104
1105         bp->stats_pending = 0;
1106
1107         return 0;
1108 }
1109
1110 static void bnx2x_net_stats_update(struct bnx2x *bp)
1111 {
1112         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1113         struct net_device_stats *nstats = &bp->dev->stats;
1114         unsigned long tmp;
1115         int i;
1116
1117         nstats->rx_packets =
1118                 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
1119                 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
1120                 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
1121
1122         nstats->tx_packets =
1123                 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
1124                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
1125                 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
1126
1127         nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi);
1128
1129         nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
1130
1131         tmp = estats->mac_discard;
1132         for_each_rx_queue(bp, i)
1133                 tmp += le32_to_cpu(bp->fp[i].old_tclient.checksum_discard);
1134         nstats->rx_dropped = tmp;
1135
1136         nstats->tx_dropped = 0;
1137
1138         nstats->multicast =
1139                 bnx2x_hilo(&estats->total_multicast_packets_received_hi);
1140
1141         nstats->collisions =
1142                 bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi);
1143
1144         nstats->rx_length_errors =
1145                 bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) +
1146                 bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi);
1147         nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) +
1148                                  bnx2x_hilo(&estats->brb_truncate_hi);
1149         nstats->rx_crc_errors =
1150                 bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi);
1151         nstats->rx_frame_errors =
1152                 bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi);
1153         nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi);
1154         nstats->rx_missed_errors = 0;
1155
1156         nstats->rx_errors = nstats->rx_length_errors +
1157                             nstats->rx_over_errors +
1158                             nstats->rx_crc_errors +
1159                             nstats->rx_frame_errors +
1160                             nstats->rx_fifo_errors +
1161                             nstats->rx_missed_errors;
1162
1163         nstats->tx_aborted_errors =
1164                 bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) +
1165                 bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi);
1166         nstats->tx_carrier_errors =
1167                 bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi);
1168         nstats->tx_fifo_errors = 0;
1169         nstats->tx_heartbeat_errors = 0;
1170         nstats->tx_window_errors = 0;
1171
1172         nstats->tx_errors = nstats->tx_aborted_errors +
1173                             nstats->tx_carrier_errors +
1174             bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi);
1175 }
1176
1177 static void bnx2x_drv_stats_update(struct bnx2x *bp)
1178 {
1179         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1180         int i;
1181
1182         estats->driver_xoff = 0;
1183         estats->rx_err_discard_pkt = 0;
1184         estats->rx_skb_alloc_failed = 0;
1185         estats->hw_csum_err = 0;
1186         for_each_queue(bp, i) {
1187                 struct bnx2x_eth_q_stats *qstats = &bp->fp[i].eth_q_stats;
1188
1189                 estats->driver_xoff += qstats->driver_xoff;
1190                 estats->rx_err_discard_pkt += qstats->rx_err_discard_pkt;
1191                 estats->rx_skb_alloc_failed += qstats->rx_skb_alloc_failed;
1192                 estats->hw_csum_err += qstats->hw_csum_err;
1193         }
1194 }
1195
1196 static bool bnx2x_edebug_stats_stopped(struct bnx2x *bp)
1197 {
1198         u32 val;
1199
1200         if (SHMEM2_HAS(bp, edebug_driver_if[1])) {
1201                 val = SHMEM2_RD(bp, edebug_driver_if[1]);
1202
1203                 if (val == EDEBUG_DRIVER_IF_OP_CODE_DISABLE_STAT)
1204                         return true;
1205         }
1206
1207         return false;
1208 }
1209
1210 static void bnx2x_stats_update(struct bnx2x *bp)
1211 {
1212         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1213
1214         if (bnx2x_edebug_stats_stopped(bp))
1215                 return;
1216
1217         if (*stats_comp != DMAE_COMP_VAL)
1218                 return;
1219
1220         if (bp->port.pmf)
1221                 bnx2x_hw_stats_update(bp);
1222
1223         if (bnx2x_storm_stats_update(bp) && (bp->stats_pending++ == 3)) {
1224                 BNX2X_ERR("storm stats were not updated for 3 times\n");
1225                 bnx2x_panic();
1226                 return;
1227         }
1228
1229         bnx2x_net_stats_update(bp);
1230         bnx2x_drv_stats_update(bp);
1231
1232         if (netif_msg_timer(bp)) {
1233                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
1234                 int i, cos;
1235
1236                 netdev_dbg(bp->dev, "brb drops %u  brb truncate %u\n",
1237                        estats->brb_drop_lo, estats->brb_truncate_lo);
1238
1239                 for_each_eth_queue(bp, i) {
1240                         struct bnx2x_fastpath *fp = &bp->fp[i];
1241                         struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
1242
1243                         pr_debug("%s: rx usage(%4u)  *rx_cons_sb(%u)  rx pkt(%lu)  rx calls(%lu %lu)\n",
1244                                  fp->name, (le16_to_cpu(*fp->rx_cons_sb) -
1245                                             fp->rx_comp_cons),
1246                                  le16_to_cpu(*fp->rx_cons_sb),
1247                                  bnx2x_hilo(&qstats->
1248                                             total_unicast_packets_received_hi),
1249                                  fp->rx_calls, fp->rx_pkt);
1250                 }
1251
1252                 for_each_eth_queue(bp, i) {
1253                         struct bnx2x_fastpath *fp = &bp->fp[i];
1254                         struct bnx2x_fp_txdata *txdata;
1255                         struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
1256                         struct netdev_queue *txq;
1257
1258                         pr_debug("%s: tx pkt(%lu) (Xoff events %u)",
1259                                  fp->name,
1260                                  bnx2x_hilo(
1261                                          &qstats->total_unicast_packets_transmitted_hi),
1262                                  qstats->driver_xoff);
1263
1264                         for_each_cos_in_tx_queue(fp, cos) {
1265                                 txdata = &fp->txdata[cos];
1266                                 txq = netdev_get_tx_queue(bp->dev,
1267                                                 FP_COS_TO_TXQ(fp, cos));
1268
1269                                 pr_debug("%d: tx avail(%4u)  *tx_cons_sb(%u)  tx calls (%lu)  %s\n",
1270                                          cos,
1271                                          bnx2x_tx_avail(bp, txdata),
1272                                          le16_to_cpu(*txdata->tx_cons_sb),
1273                                          txdata->tx_pkt,
1274                                          (netif_tx_queue_stopped(txq) ?
1275                                           "Xoff" : "Xon")
1276                                         );
1277                         }
1278                 }
1279         }
1280
1281         bnx2x_hw_stats_post(bp);
1282         bnx2x_storm_stats_post(bp);
1283 }
1284
1285 static void bnx2x_port_stats_stop(struct bnx2x *bp)
1286 {
1287         struct dmae_command *dmae;
1288         u32 opcode;
1289         int loader_idx = PMF_DMAE_C(bp);
1290         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1291
1292         bp->executer_idx = 0;
1293
1294         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC, false, 0);
1295
1296         if (bp->port.port_stx) {
1297
1298                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1299                 if (bp->func_stx)
1300                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1301                                                 opcode, DMAE_COMP_GRC);
1302                 else
1303                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1304                                                 opcode, DMAE_COMP_PCI);
1305
1306                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1307                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1308                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
1309                 dmae->dst_addr_hi = 0;
1310                 dmae->len = sizeof(struct host_port_stats) >> 2;
1311                 if (bp->func_stx) {
1312                         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
1313                         dmae->comp_addr_hi = 0;
1314                         dmae->comp_val = 1;
1315                 } else {
1316                         dmae->comp_addr_lo =
1317                                 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1318                         dmae->comp_addr_hi =
1319                                 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1320                         dmae->comp_val = DMAE_COMP_VAL;
1321
1322                         *stats_comp = 0;
1323                 }
1324         }
1325
1326         if (bp->func_stx) {
1327
1328                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1329                 dmae->opcode =
1330                         bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
1331                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
1332                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
1333                 dmae->dst_addr_lo = bp->func_stx >> 2;
1334                 dmae->dst_addr_hi = 0;
1335                 dmae->len = sizeof(struct host_func_stats) >> 2;
1336                 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1337                 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1338                 dmae->comp_val = DMAE_COMP_VAL;
1339
1340                 *stats_comp = 0;
1341         }
1342 }
1343
1344 static void bnx2x_stats_stop(struct bnx2x *bp)
1345 {
1346         int update = 0;
1347
1348         bnx2x_stats_comp(bp);
1349
1350         if (bp->port.pmf)
1351                 update = (bnx2x_hw_stats_update(bp) == 0);
1352
1353         update |= (bnx2x_storm_stats_update(bp) == 0);
1354
1355         if (update) {
1356                 bnx2x_net_stats_update(bp);
1357
1358                 if (bp->port.pmf)
1359                         bnx2x_port_stats_stop(bp);
1360
1361                 bnx2x_hw_stats_post(bp);
1362                 bnx2x_stats_comp(bp);
1363         }
1364 }
1365
1366 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
1367 {
1368 }
1369
1370 static const struct {
1371         void (*action)(struct bnx2x *bp);
1372         enum bnx2x_stats_state next_state;
1373 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
1374 /* state        event   */
1375 {
1376 /* DISABLED     PMF     */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
1377 /*              LINK_UP */ {bnx2x_stats_start,      STATS_STATE_ENABLED},
1378 /*              UPDATE  */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
1379 /*              STOP    */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
1380 },
1381 {
1382 /* ENABLED      PMF     */ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
1383 /*              LINK_UP */ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
1384 /*              UPDATE  */ {bnx2x_stats_update,     STATS_STATE_ENABLED},
1385 /*              STOP    */ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
1386 }
1387 };
1388
1389 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
1390 {
1391         enum bnx2x_stats_state state;
1392         if (unlikely(bp->panic))
1393                 return;
1394
1395         spin_lock_bh(&bp->stats_lock);
1396         state = bp->stats_state;
1397         bp->stats_state = bnx2x_stats_stm[state][event].next_state;
1398         spin_unlock_bh(&bp->stats_lock);
1399
1400         bnx2x_stats_stm[state][event].action(bp);
1401
1402         if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
1403                 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
1404                    state, event, bp->stats_state);
1405 }
1406
1407 static void bnx2x_port_stats_base_init(struct bnx2x *bp)
1408 {
1409         struct dmae_command *dmae;
1410         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1411
1412         /* sanity */
1413         if (!bp->port.pmf || !bp->port.port_stx) {
1414                 BNX2X_ERR("BUG!\n");
1415                 return;
1416         }
1417
1418         bp->executer_idx = 0;
1419
1420         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1421         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
1422                                          true, DMAE_COMP_PCI);
1423         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1424         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1425         dmae->dst_addr_lo = bp->port.port_stx >> 2;
1426         dmae->dst_addr_hi = 0;
1427         dmae->len = sizeof(struct host_port_stats) >> 2;
1428         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1429         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1430         dmae->comp_val = DMAE_COMP_VAL;
1431
1432         *stats_comp = 0;
1433         bnx2x_hw_stats_post(bp);
1434         bnx2x_stats_comp(bp);
1435 }
1436
1437 static void bnx2x_func_stats_base_init(struct bnx2x *bp)
1438 {
1439         int vn, vn_max = IS_MF(bp) ? BP_MAX_VN_NUM(bp) : E1VN_MAX;
1440         u32 func_stx;
1441
1442         /* sanity */
1443         if (!bp->port.pmf || !bp->func_stx) {
1444                 BNX2X_ERR("BUG!\n");
1445                 return;
1446         }
1447
1448         /* save our func_stx */
1449         func_stx = bp->func_stx;
1450
1451         for (vn = VN_0; vn < vn_max; vn++) {
1452                 int mb_idx = BP_FW_MB_IDX_VN(bp, vn);
1453
1454                 bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1455                 bnx2x_func_stats_init(bp);
1456                 bnx2x_hw_stats_post(bp);
1457                 bnx2x_stats_comp(bp);
1458         }
1459
1460         /* restore our func_stx */
1461         bp->func_stx = func_stx;
1462 }
1463
1464 static void bnx2x_func_stats_base_update(struct bnx2x *bp)
1465 {
1466         struct dmae_command *dmae = &bp->stats_dmae;
1467         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1468
1469         /* sanity */
1470         if (!bp->func_stx) {
1471                 BNX2X_ERR("BUG!\n");
1472                 return;
1473         }
1474
1475         bp->executer_idx = 0;
1476         memset(dmae, 0, sizeof(struct dmae_command));
1477
1478         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
1479                                          true, DMAE_COMP_PCI);
1480         dmae->src_addr_lo = bp->func_stx >> 2;
1481         dmae->src_addr_hi = 0;
1482         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats_base));
1483         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats_base));
1484         dmae->len = sizeof(struct host_func_stats) >> 2;
1485         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1486         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1487         dmae->comp_val = DMAE_COMP_VAL;
1488
1489         *stats_comp = 0;
1490         bnx2x_hw_stats_post(bp);
1491         bnx2x_stats_comp(bp);
1492 }
1493
1494 /**
1495  * This function will prepare the statistics ramrod data the way
1496  * we will only have to increment the statistics counter and
1497  * send the ramrod each time we have to.
1498  *
1499  * @param bp
1500  */
1501 static inline void bnx2x_prep_fw_stats_req(struct bnx2x *bp)
1502 {
1503         int i;
1504         int first_queue_query_index;
1505         struct stats_query_header *stats_hdr = &bp->fw_stats_req->hdr;
1506
1507         dma_addr_t cur_data_offset;
1508         struct stats_query_entry *cur_query_entry;
1509
1510         stats_hdr->cmd_num = bp->fw_stats_num;
1511         stats_hdr->drv_stats_counter = 0;
1512
1513         /* storm_counters struct contains the counters of completed
1514          * statistics requests per storm which are incremented by FW
1515          * each time it completes hadning a statistics ramrod. We will
1516          * check these counters in the timer handler and discard a
1517          * (statistics) ramrod completion.
1518          */
1519         cur_data_offset = bp->fw_stats_data_mapping +
1520                 offsetof(struct bnx2x_fw_stats_data, storm_counters);
1521
1522         stats_hdr->stats_counters_addrs.hi =
1523                 cpu_to_le32(U64_HI(cur_data_offset));
1524         stats_hdr->stats_counters_addrs.lo =
1525                 cpu_to_le32(U64_LO(cur_data_offset));
1526
1527         /* prepare to the first stats ramrod (will be completed with
1528          * the counters equal to zero) - init counters to somethig different.
1529          */
1530         memset(&bp->fw_stats_data->storm_counters, 0xff,
1531                sizeof(struct stats_counter));
1532
1533         /**** Port FW statistics data ****/
1534         cur_data_offset = bp->fw_stats_data_mapping +
1535                 offsetof(struct bnx2x_fw_stats_data, port);
1536
1537         cur_query_entry = &bp->fw_stats_req->query[BNX2X_PORT_QUERY_IDX];
1538
1539         cur_query_entry->kind = STATS_TYPE_PORT;
1540         /* For port query index is a DONT CARE */
1541         cur_query_entry->index = BP_PORT(bp);
1542         /* For port query funcID is a DONT CARE */
1543         cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1544         cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1545         cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1546
1547         /**** PF FW statistics data ****/
1548         cur_data_offset = bp->fw_stats_data_mapping +
1549                 offsetof(struct bnx2x_fw_stats_data, pf);
1550
1551         cur_query_entry = &bp->fw_stats_req->query[BNX2X_PF_QUERY_IDX];
1552
1553         cur_query_entry->kind = STATS_TYPE_PF;
1554         /* For PF query index is a DONT CARE */
1555         cur_query_entry->index = BP_PORT(bp);
1556         cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1557         cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1558         cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1559
1560         /**** FCoE FW statistics data ****/
1561         if (!NO_FCOE(bp)) {
1562                 cur_data_offset = bp->fw_stats_data_mapping +
1563                         offsetof(struct bnx2x_fw_stats_data, fcoe);
1564
1565                 cur_query_entry =
1566                         &bp->fw_stats_req->query[BNX2X_FCOE_QUERY_IDX];
1567
1568                 cur_query_entry->kind = STATS_TYPE_FCOE;
1569                 /* For FCoE query index is a DONT CARE */
1570                 cur_query_entry->index = BP_PORT(bp);
1571                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1572                 cur_query_entry->address.hi =
1573                         cpu_to_le32(U64_HI(cur_data_offset));
1574                 cur_query_entry->address.lo =
1575                         cpu_to_le32(U64_LO(cur_data_offset));
1576         }
1577
1578         /**** Clients' queries ****/
1579         cur_data_offset = bp->fw_stats_data_mapping +
1580                 offsetof(struct bnx2x_fw_stats_data, queue_stats);
1581
1582         /* first queue query index depends whether FCoE offloaded request will
1583          * be included in the ramrod
1584          */
1585         if (!NO_FCOE(bp))
1586                 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX;
1587         else
1588                 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - 1;
1589
1590         for_each_eth_queue(bp, i) {
1591                 cur_query_entry =
1592                         &bp->fw_stats_req->
1593                                         query[first_queue_query_index + i];
1594
1595                 cur_query_entry->kind = STATS_TYPE_QUEUE;
1596                 cur_query_entry->index = bnx2x_stats_id(&bp->fp[i]);
1597                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1598                 cur_query_entry->address.hi =
1599                         cpu_to_le32(U64_HI(cur_data_offset));
1600                 cur_query_entry->address.lo =
1601                         cpu_to_le32(U64_LO(cur_data_offset));
1602
1603                 cur_data_offset += sizeof(struct per_queue_stats);
1604         }
1605
1606         /* add FCoE queue query if needed */
1607         if (!NO_FCOE(bp)) {
1608                 cur_query_entry =
1609                         &bp->fw_stats_req->
1610                                         query[first_queue_query_index + i];
1611
1612                 cur_query_entry->kind = STATS_TYPE_QUEUE;
1613                 cur_query_entry->index = bnx2x_stats_id(&bp->fp[FCOE_IDX]);
1614                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1615                 cur_query_entry->address.hi =
1616                         cpu_to_le32(U64_HI(cur_data_offset));
1617                 cur_query_entry->address.lo =
1618                         cpu_to_le32(U64_LO(cur_data_offset));
1619         }
1620 }
1621
1622 void bnx2x_stats_init(struct bnx2x *bp)
1623 {
1624         int /*abs*/port = BP_PORT(bp);
1625         int mb_idx = BP_FW_MB_IDX(bp);
1626         int i;
1627
1628         bp->stats_pending = 0;
1629         bp->executer_idx = 0;
1630         bp->stats_counter = 0;
1631
1632         /* port and func stats for management */
1633         if (!BP_NOMCP(bp)) {
1634                 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
1635                 bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1636
1637         } else {
1638                 bp->port.port_stx = 0;
1639                 bp->func_stx = 0;
1640         }
1641         DP(BNX2X_MSG_STATS, "port_stx 0x%x  func_stx 0x%x\n",
1642            bp->port.port_stx, bp->func_stx);
1643
1644         port = BP_PORT(bp);
1645         /* port stats */
1646         memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
1647         bp->port.old_nig_stats.brb_discard =
1648                         REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
1649         bp->port.old_nig_stats.brb_truncate =
1650                         REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
1651         if (!CHIP_IS_E3(bp)) {
1652                 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
1653                             &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
1654                 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
1655                             &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
1656         }
1657
1658         /* function stats */
1659         for_each_queue(bp, i) {
1660                 struct bnx2x_fastpath *fp = &bp->fp[i];
1661
1662                 memset(&fp->old_tclient, 0, sizeof(fp->old_tclient));
1663                 memset(&fp->old_uclient, 0, sizeof(fp->old_uclient));
1664                 memset(&fp->old_xclient, 0, sizeof(fp->old_xclient));
1665                 memset(&fp->eth_q_stats, 0, sizeof(fp->eth_q_stats));
1666         }
1667
1668         /* Prepare statistics ramrod data */
1669         bnx2x_prep_fw_stats_req(bp);
1670
1671         memset(&bp->dev->stats, 0, sizeof(bp->dev->stats));
1672         memset(&bp->eth_stats, 0, sizeof(bp->eth_stats));
1673
1674         bp->stats_state = STATS_STATE_DISABLED;
1675
1676         if (bp->port.pmf) {
1677                 if (bp->port.port_stx)
1678                         bnx2x_port_stats_base_init(bp);
1679
1680                 if (bp->func_stx)
1681                         bnx2x_func_stats_base_init(bp);
1682
1683         } else if (bp->func_stx)
1684                 bnx2x_func_stats_base_update(bp);
1685 }