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 static u16 bnx2x_get_port_stats_dma_len(struct bnx2x *bp)
  43 {
  44         u16 res = sizeof(struct host_port_stats) >> 2;
  45
  46         /* if PFC stats are not supported by the MFW, don't DMA them */
  47         if (!(bp->flags &  BC_SUPPORTS_PFC_STATS))
  48                 res -= (sizeof(u32)*4) >> 2;
  49
  50         return res;
  51 }
  52
  53 /*
  54  * Init service functions
  55  */
  56
  57 /* Post the next statistics ramrod. Protect it with the spin in
  58  * order to ensure the strict order between statistics ramrods
  59  * (each ramrod has a sequence number passed in a
  60  * bp->fw_stats_req->hdr.drv_stats_counter and ramrods must be
  61  * sent in order).
  62  */
  63 static void bnx2x_storm_stats_post(struct bnx2x *bp)
  64 {
  65         if (!bp->stats_pending) {
  66                 int rc;
  67
  68                 spin_lock_bh(&bp->stats_lock);
  69
  70                 if (bp->stats_pending) {
  71                         spin_unlock_bh(&bp->stats_lock);
  72                         return;
  73                 }
  74
  75                 bp->fw_stats_req->hdr.drv_stats_counter =
  76                         cpu_to_le16(bp->stats_counter++);
  77
  78                 DP(NETIF_MSG_TIMER, "Sending statistics ramrod %d\n",
  79                         bp->fw_stats_req->hdr.drv_stats_counter);
  80
  81
  82
  83                 /* send FW stats ramrod */
  84                 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STAT_QUERY, 0,
  85                                    U64_HI(bp->fw_stats_req_mapping),
  86                                    U64_LO(bp->fw_stats_req_mapping),
  87                                    NONE_CONNECTION_TYPE);
  88                 if (rc == 0)
  89                         bp->stats_pending = 1;
  90
  91                 spin_unlock_bh(&bp->stats_lock);
  92         }
  93 }
  94
  95 static void bnx2x_hw_stats_post(struct bnx2x *bp)
  96 {
  97         struct dmae_command *dmae = &bp->stats_dmae;
  98         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
  99
 100         *stats_comp = DMAE_COMP_VAL;
 101         if (CHIP_REV_IS_SLOW(bp))
 102                 return;
 103
 104         /* loader */
 105         if (bp->executer_idx) {
 106                 int loader_idx = PMF_DMAE_C(bp);
 107                 u32 opcode =  bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 108                                                  true, DMAE_COMP_GRC);
 109                 opcode = bnx2x_dmae_opcode_clr_src_reset(opcode);
 110
 111                 memset(dmae, 0, sizeof(struct dmae_command));
 112                 dmae->opcode = opcode;
 113                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
 114                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
 115                 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
 116                                      sizeof(struct dmae_command) *
 117                                      (loader_idx + 1)) >> 2;
 118                 dmae->dst_addr_hi = 0;
 119                 dmae->len = sizeof(struct dmae_command) >> 2;
 120                 if (CHIP_IS_E1(bp))
 121                         dmae->len--;
 122                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
 123                 dmae->comp_addr_hi = 0;
 124                 dmae->comp_val = 1;
 125
 126                 *stats_comp = 0;
 127                 bnx2x_post_dmae(bp, dmae, loader_idx);
 128
 129         } else if (bp->func_stx) {
 130                 *stats_comp = 0;
 131                 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
 132         }
 133 }
 134
 135 static int bnx2x_stats_comp(struct bnx2x *bp)
 136 {
 137         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 138         int cnt = 10;
 139
 140         might_sleep();
 141         while (*stats_comp != DMAE_COMP_VAL) {
 142                 if (!cnt) {
 143                         BNX2X_ERR("timeout waiting for stats finished\n");
 144                         break;
 145                 }
 146                 cnt--;
 147                 usleep_range(1000, 1000);
 148         }
 149         return 1;
 150 }
 151
 152 /*
 153  * Statistics service functions
 154  */
 155
 156 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
 157 {
 158         struct dmae_command *dmae;
 159         u32 opcode;
 160         int loader_idx = PMF_DMAE_C(bp);
 161         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 162
 163         /* sanity */
 164         if (!IS_MF(bp) || !bp->port.pmf || !bp->port.port_stx) {
 165                 BNX2X_ERR("BUG!\n");
 166                 return;
 167         }
 168
 169         bp->executer_idx = 0;
 170
 171         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI, false, 0);
 172
 173         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 174         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_GRC);
 175         dmae->src_addr_lo = bp->port.port_stx >> 2;
 176         dmae->src_addr_hi = 0;
 177         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 178         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 179         dmae->len = DMAE_LEN32_RD_MAX;
 180         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 181         dmae->comp_addr_hi = 0;
 182         dmae->comp_val = 1;
 183
 184         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 185         dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
 186         dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
 187         dmae->src_addr_hi = 0;
 188         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
 189                                    DMAE_LEN32_RD_MAX * 4);
 190         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
 191                                    DMAE_LEN32_RD_MAX * 4);
 192         dmae->len = bnx2x_get_port_stats_dma_len(bp) - DMAE_LEN32_RD_MAX;
 193
 194         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 195         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 196         dmae->comp_val = DMAE_COMP_VAL;
 197
 198         *stats_comp = 0;
 199         bnx2x_hw_stats_post(bp);
 200         bnx2x_stats_comp(bp);
 201 }
 202
 203 static void bnx2x_port_stats_init(struct bnx2x *bp)
 204 {
 205         struct dmae_command *dmae;
 206         int port = BP_PORT(bp);
 207         u32 opcode;
 208         int loader_idx = PMF_DMAE_C(bp);
 209         u32 mac_addr;
 210         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 211
 212         /* sanity */
 213         if (!bp->link_vars.link_up || !bp->port.pmf) {
 214                 BNX2X_ERR("BUG!\n");
 215                 return;
 216         }
 217
 218         bp->executer_idx = 0;
 219
 220         /* MCP */
 221         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 222                                     true, DMAE_COMP_GRC);
 223
 224         if (bp->port.port_stx) {
 225
 226                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 227                 dmae->opcode = opcode;
 228                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
 229                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
 230                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
 231                 dmae->dst_addr_hi = 0;
 232                 dmae->len = bnx2x_get_port_stats_dma_len(bp);
 233                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 234                 dmae->comp_addr_hi = 0;
 235                 dmae->comp_val = 1;
 236         }
 237
 238         if (bp->func_stx) {
 239
 240                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 241                 dmae->opcode = opcode;
 242                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 243                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 244                 dmae->dst_addr_lo = bp->func_stx >> 2;
 245                 dmae->dst_addr_hi = 0;
 246                 dmae->len = sizeof(struct host_func_stats) >> 2;
 247                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 248                 dmae->comp_addr_hi = 0;
 249                 dmae->comp_val = 1;
 250         }
 251
 252         /* MAC */
 253         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 254                                    true, DMAE_COMP_GRC);
 255
 256         /* EMAC is special */
 257         if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
 258                 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
 259
 260                 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
 261                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 262                 dmae->opcode = opcode;
 263                 dmae->src_addr_lo = (mac_addr +
 264                                      EMAC_REG_EMAC_RX_STAT_AC) >> 2;
 265                 dmae->src_addr_hi = 0;
 266                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 267                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 268                 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
 269                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 270                 dmae->comp_addr_hi = 0;
 271                 dmae->comp_val = 1;
 272
 273                 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
 274                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 275                 dmae->opcode = opcode;
 276                 dmae->src_addr_lo = (mac_addr +
 277                                      EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
 278                 dmae->src_addr_hi = 0;
 279                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 280                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 281                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 282                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
 283                 dmae->len = 1;
 284                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 285                 dmae->comp_addr_hi = 0;
 286                 dmae->comp_val = 1;
 287
 288                 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
 289                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 290                 dmae->opcode = opcode;
 291                 dmae->src_addr_lo = (mac_addr +
 292                                      EMAC_REG_EMAC_TX_STAT_AC) >> 2;
 293                 dmae->src_addr_hi = 0;
 294                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
 295                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 296                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
 297                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
 298                 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
 299                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 300                 dmae->comp_addr_hi = 0;
 301                 dmae->comp_val = 1;
 302         } else {
 303                 u32 tx_src_addr_lo, rx_src_addr_lo;
 304                 u16 rx_len, tx_len;
 305
 306                 /* configure the params according to MAC type */
 307                 switch (bp->link_vars.mac_type) {
 308                 case MAC_TYPE_BMAC:
 309                         mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
 310                                            NIG_REG_INGRESS_BMAC0_MEM);
 311
 312                         /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
 313                            BIGMAC_REGISTER_TX_STAT_GTBYT */
 314                         if (CHIP_IS_E1x(bp)) {
 315                                 tx_src_addr_lo = (mac_addr +
 316                                         BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 317                                 tx_len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
 318                                           BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
 319                                 rx_src_addr_lo = (mac_addr +
 320                                         BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 321                                 rx_len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
 322                                           BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
 323                         } else {
 324                                 tx_src_addr_lo = (mac_addr +
 325                                         BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 326                                 tx_len = (8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
 327                                           BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
 328                                 rx_src_addr_lo = (mac_addr +
 329                                         BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 330                                 rx_len = (8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
 331                                           BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
 332                         }
 333                         break;
 334
 335                 case MAC_TYPE_UMAC: /* handled by MSTAT */
 336                 case MAC_TYPE_XMAC: /* handled by MSTAT */
 337                 default:
 338                         mac_addr = port ? GRCBASE_MSTAT1 : GRCBASE_MSTAT0;
 339                         tx_src_addr_lo = (mac_addr +
 340                                           MSTAT_REG_TX_STAT_GTXPOK_LO) >> 2;
 341                         rx_src_addr_lo = (mac_addr +
 342                                           MSTAT_REG_RX_STAT_GR64_LO) >> 2;
 343                         tx_len = sizeof(bp->slowpath->
 344                                         mac_stats.mstat_stats.stats_tx) >> 2;
 345                         rx_len = sizeof(bp->slowpath->
 346                                         mac_stats.mstat_stats.stats_rx) >> 2;
 347                         break;
 348                 }
 349
 350                 /* TX stats */
 351                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 352                 dmae->opcode = opcode;
 353                 dmae->src_addr_lo = tx_src_addr_lo;
 354                 dmae->src_addr_hi = 0;
 355                 dmae->len = tx_len;
 356                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
 357                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
 358                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 359                 dmae->comp_addr_hi = 0;
 360                 dmae->comp_val = 1;
 361
 362                 /* RX stats */
 363                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 364                 dmae->opcode = opcode;
 365                 dmae->src_addr_hi = 0;
 366                 dmae->src_addr_lo = rx_src_addr_lo;
 367                 dmae->dst_addr_lo =
 368                         U64_LO(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 369                 dmae->dst_addr_hi =
 370                         U64_HI(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
 371                 dmae->len = rx_len;
 372                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 373                 dmae->comp_addr_hi = 0;
 374                 dmae->comp_val = 1;
 375         }
 376
 377         /* NIG */
 378         if (!CHIP_IS_E3(bp)) {
 379                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 380                 dmae->opcode = opcode;
 381                 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
 382                                             NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
 383                 dmae->src_addr_hi = 0;
 384                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 385                                 offsetof(struct nig_stats, egress_mac_pkt0_lo));
 386                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 387                                 offsetof(struct nig_stats, egress_mac_pkt0_lo));
 388                 dmae->len = (2*sizeof(u32)) >> 2;
 389                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 390                 dmae->comp_addr_hi = 0;
 391                 dmae->comp_val = 1;
 392
 393                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 394                 dmae->opcode = opcode;
 395                 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
 396                                             NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
 397                 dmae->src_addr_hi = 0;
 398                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
 399                                 offsetof(struct nig_stats, egress_mac_pkt1_lo));
 400                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
 401                                 offsetof(struct nig_stats, egress_mac_pkt1_lo));
 402                 dmae->len = (2*sizeof(u32)) >> 2;
 403                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
 404                 dmae->comp_addr_hi = 0;
 405                 dmae->comp_val = 1;
 406         }
 407
 408         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
 409         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
 410                                                  true, DMAE_COMP_PCI);
 411         dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
 412                                     NIG_REG_STAT0_BRB_DISCARD) >> 2;
 413         dmae->src_addr_hi = 0;
 414         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
 415         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
 416         dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
 417
 418         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 419         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 420         dmae->comp_val = DMAE_COMP_VAL;
 421
 422         *stats_comp = 0;
 423 }
 424
 425 static void bnx2x_func_stats_init(struct bnx2x *bp)
 426 {
 427         struct dmae_command *dmae = &bp->stats_dmae;
 428         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
 429
 430         /* sanity */
 431         if (!bp->func_stx) {
 432                 BNX2X_ERR("BUG!\n");
 433                 return;
 434         }
 435
 436         bp->executer_idx = 0;
 437         memset(dmae, 0, sizeof(struct dmae_command));
 438
 439         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
 440                                          true, DMAE_COMP_PCI);
 441         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
 442         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
 443         dmae->dst_addr_lo = bp->func_stx >> 2;
 444         dmae->dst_addr_hi = 0;
 445         dmae->len = sizeof(struct host_func_stats) >> 2;
 446         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
 447         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
 448         dmae->comp_val = DMAE_COMP_VAL;
 449
 450         *stats_comp = 0;
 451 }
 452
 453 static void bnx2x_stats_start(struct bnx2x *bp)
 454 {
 455         if (bp->port.pmf)
 456                 bnx2x_port_stats_init(bp);
 457
 458         else if (bp->func_stx)
 459                 bnx2x_func_stats_init(bp);
 460
 461         bnx2x_hw_stats_post(bp);
 462         bnx2x_storm_stats_post(bp);
 463 }
 464
 465 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
 466 {
 467         bnx2x_stats_comp(bp);
 468         bnx2x_stats_pmf_update(bp);
 469         bnx2x_stats_start(bp);
 470 }
 471
 472 static void bnx2x_stats_restart(struct bnx2x *bp)
 473 {
 474         bnx2x_stats_comp(bp);
 475         bnx2x_stats_start(bp);
 476 }
 477
 478 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
 479 {
 480         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 481         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 482         struct {
 483                 u32 lo;
 484                 u32 hi;
 485         } diff;
 486
 487         if (CHIP_IS_E1x(bp)) {
 488                 struct bmac1_stats *new = bnx2x_sp(bp, mac_stats.bmac1_stats);
 489
 490                 /* the macros below will use "bmac1_stats" type */
 491                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 492                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 493                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 494                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 495                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 496                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 497                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 498                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 499                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 500
 501                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 502                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 503                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 504                 UPDATE_STAT64(tx_stat_gt127,
 505                                 tx_stat_etherstatspkts65octetsto127octets);
 506                 UPDATE_STAT64(tx_stat_gt255,
 507                                 tx_stat_etherstatspkts128octetsto255octets);
 508                 UPDATE_STAT64(tx_stat_gt511,
 509                                 tx_stat_etherstatspkts256octetsto511octets);
 510                 UPDATE_STAT64(tx_stat_gt1023,
 511                                 tx_stat_etherstatspkts512octetsto1023octets);
 512                 UPDATE_STAT64(tx_stat_gt1518,
 513                                 tx_stat_etherstatspkts1024octetsto1522octets);
 514                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 515                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 516                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 517                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 518                 UPDATE_STAT64(tx_stat_gterr,
 519                                 tx_stat_dot3statsinternalmactransmiterrors);
 520                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 521
 522         } else {
 523                 struct bmac2_stats *new = bnx2x_sp(bp, mac_stats.bmac2_stats);
 524
 525                 /* the macros below will use "bmac2_stats" type */
 526                 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
 527                 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
 528                 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
 529                 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
 530                 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
 531                 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
 532                 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
 533                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
 534                 UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
 535                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
 536                 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
 537                 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
 538                 UPDATE_STAT64(tx_stat_gt127,
 539                                 tx_stat_etherstatspkts65octetsto127octets);
 540                 UPDATE_STAT64(tx_stat_gt255,
 541                                 tx_stat_etherstatspkts128octetsto255octets);
 542                 UPDATE_STAT64(tx_stat_gt511,
 543                                 tx_stat_etherstatspkts256octetsto511octets);
 544                 UPDATE_STAT64(tx_stat_gt1023,
 545                                 tx_stat_etherstatspkts512octetsto1023octets);
 546                 UPDATE_STAT64(tx_stat_gt1518,
 547                                 tx_stat_etherstatspkts1024octetsto1522octets);
 548                 UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
 549                 UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
 550                 UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
 551                 UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
 552                 UPDATE_STAT64(tx_stat_gterr,
 553                                 tx_stat_dot3statsinternalmactransmiterrors);
 554                 UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 555
 556                 /* collect PFC stats */
 557                 DIFF_64(diff.hi, new->tx_stat_gtpp_hi,
 558                         pstats->pfc_frames_tx_hi,
 559                         diff.lo, new->tx_stat_gtpp_lo,
 560                         pstats->pfc_frames_tx_lo);
 561                 pstats->pfc_frames_tx_hi = new->tx_stat_gtpp_hi;
 562                 pstats->pfc_frames_tx_lo = new->tx_stat_gtpp_lo;
 563                 ADD_64(pstats->pfc_frames_tx_hi, diff.hi,
 564                         pstats->pfc_frames_tx_lo, diff.lo);
 565
 566                 DIFF_64(diff.hi, new->rx_stat_grpp_hi,
 567                         pstats->pfc_frames_rx_hi,
 568                         diff.lo, new->rx_stat_grpp_lo,
 569                         pstats->pfc_frames_rx_lo);
 570                 pstats->pfc_frames_rx_hi = new->rx_stat_grpp_hi;
 571                 pstats->pfc_frames_rx_lo = new->rx_stat_grpp_lo;
 572                 ADD_64(pstats->pfc_frames_rx_hi, diff.hi,
 573                         pstats->pfc_frames_rx_lo, diff.lo);
 574         }
 575
 576         estats->pause_frames_received_hi =
 577                                 pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 578         estats->pause_frames_received_lo =
 579                                 pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 580
 581         estats->pause_frames_sent_hi =
 582                                 pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 583         estats->pause_frames_sent_lo =
 584                                 pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 585
 586         estats->pfc_frames_received_hi =
 587                                 pstats->pfc_frames_rx_hi;
 588         estats->pfc_frames_received_lo =
 589                                 pstats->pfc_frames_rx_lo;
 590         estats->pfc_frames_sent_hi =
 591                                 pstats->pfc_frames_tx_hi;
 592         estats->pfc_frames_sent_lo =
 593                                 pstats->pfc_frames_tx_lo;
 594 }
 595
 596 static void bnx2x_mstat_stats_update(struct bnx2x *bp)
 597 {
 598         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 599         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 600
 601         struct mstat_stats *new = bnx2x_sp(bp, mac_stats.mstat_stats);
 602
 603         ADD_STAT64(stats_rx.rx_grerb, rx_stat_ifhcinbadoctets);
 604         ADD_STAT64(stats_rx.rx_grfcs, rx_stat_dot3statsfcserrors);
 605         ADD_STAT64(stats_rx.rx_grund, rx_stat_etherstatsundersizepkts);
 606         ADD_STAT64(stats_rx.rx_grovr, rx_stat_dot3statsframestoolong);
 607         ADD_STAT64(stats_rx.rx_grfrg, rx_stat_etherstatsfragments);
 608         ADD_STAT64(stats_rx.rx_grxcf, rx_stat_maccontrolframesreceived);
 609         ADD_STAT64(stats_rx.rx_grxpf, rx_stat_xoffstateentered);
 610         ADD_STAT64(stats_rx.rx_grxpf, rx_stat_mac_xpf);
 611         ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_outxoffsent);
 612         ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_flowcontroldone);
 613
 614         /* collect pfc stats */
 615         ADD_64(pstats->pfc_frames_tx_hi, new->stats_tx.tx_gtxpp_hi,
 616                 pstats->pfc_frames_tx_lo, new->stats_tx.tx_gtxpp_lo);
 617         ADD_64(pstats->pfc_frames_rx_hi, new->stats_rx.rx_grxpp_hi,
 618                 pstats->pfc_frames_rx_lo, new->stats_rx.rx_grxpp_lo);
 619
 620         ADD_STAT64(stats_tx.tx_gt64, tx_stat_etherstatspkts64octets);
 621         ADD_STAT64(stats_tx.tx_gt127,
 622                         tx_stat_etherstatspkts65octetsto127octets);
 623         ADD_STAT64(stats_tx.tx_gt255,
 624                         tx_stat_etherstatspkts128octetsto255octets);
 625         ADD_STAT64(stats_tx.tx_gt511,
 626                         tx_stat_etherstatspkts256octetsto511octets);
 627         ADD_STAT64(stats_tx.tx_gt1023,
 628                         tx_stat_etherstatspkts512octetsto1023octets);
 629         ADD_STAT64(stats_tx.tx_gt1518,
 630                         tx_stat_etherstatspkts1024octetsto1522octets);
 631         ADD_STAT64(stats_tx.tx_gt2047, tx_stat_mac_2047);
 632
 633         ADD_STAT64(stats_tx.tx_gt4095, tx_stat_mac_4095);
 634         ADD_STAT64(stats_tx.tx_gt9216, tx_stat_mac_9216);
 635         ADD_STAT64(stats_tx.tx_gt16383, tx_stat_mac_16383);
 636
 637         ADD_STAT64(stats_tx.tx_gterr,
 638                         tx_stat_dot3statsinternalmactransmiterrors);
 639         ADD_STAT64(stats_tx.tx_gtufl, tx_stat_mac_ufl);
 640
 641         ADD_64(estats->etherstatspkts1024octetsto1522octets_hi,
 642                new->stats_tx.tx_gt1518_hi,
 643                estats->etherstatspkts1024octetsto1522octets_lo,
 644                new->stats_tx.tx_gt1518_lo);
 645
 646         ADD_64(estats->etherstatspktsover1522octets_hi,
 647                new->stats_tx.tx_gt2047_hi,
 648                estats->etherstatspktsover1522octets_lo,
 649                new->stats_tx.tx_gt2047_lo);
 650
 651         ADD_64(estats->etherstatspktsover1522octets_hi,
 652                new->stats_tx.tx_gt4095_hi,
 653                estats->etherstatspktsover1522octets_lo,
 654                new->stats_tx.tx_gt4095_lo);
 655
 656         ADD_64(estats->etherstatspktsover1522octets_hi,
 657                new->stats_tx.tx_gt9216_hi,
 658                estats->etherstatspktsover1522octets_lo,
 659                new->stats_tx.tx_gt9216_lo);
 660
 661
 662         ADD_64(estats->etherstatspktsover1522octets_hi,
 663                new->stats_tx.tx_gt16383_hi,
 664                estats->etherstatspktsover1522octets_lo,
 665                new->stats_tx.tx_gt16383_lo);
 666
 667         estats->pause_frames_received_hi =
 668                                 pstats->mac_stx[1].rx_stat_mac_xpf_hi;
 669         estats->pause_frames_received_lo =
 670                                 pstats->mac_stx[1].rx_stat_mac_xpf_lo;
 671
 672         estats->pause_frames_sent_hi =
 673                                 pstats->mac_stx[1].tx_stat_outxoffsent_hi;
 674         estats->pause_frames_sent_lo =
 675                                 pstats->mac_stx[1].tx_stat_outxoffsent_lo;
 676
 677         estats->pfc_frames_received_hi =
 678                                 pstats->pfc_frames_rx_hi;
 679         estats->pfc_frames_received_lo =
 680                                 pstats->pfc_frames_rx_lo;
 681         estats->pfc_frames_sent_hi =
 682                                 pstats->pfc_frames_tx_hi;
 683         estats->pfc_frames_sent_lo =
 684                                 pstats->pfc_frames_tx_lo;
 685 }
 686
 687 static void bnx2x_emac_stats_update(struct bnx2x *bp)
 688 {
 689         struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
 690         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 691         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 692
 693         UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
 694         UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
 695         UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
 696         UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
 697         UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
 698         UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
 699         UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
 700         UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
 701         UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
 702         UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
 703         UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
 704         UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
 705         UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
 706         UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
 707         UPDATE_EXTEND_STAT(tx_stat_outxonsent);
 708         UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
 709         UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
 710         UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
 711         UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
 712         UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
 713         UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
 714         UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
 715         UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
 716         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
 717         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
 718         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
 719         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
 720         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
 721         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
 722         UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
 723         UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
 724
 725         estats->pause_frames_received_hi =
 726                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi;
 727         estats->pause_frames_received_lo =
 728                         pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo;
 729         ADD_64(estats->pause_frames_received_hi,
 730                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi,
 731                estats->pause_frames_received_lo,
 732                pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo);
 733
 734         estats->pause_frames_sent_hi =
 735                         pstats->mac_stx[1].tx_stat_outxonsent_hi;
 736         estats->pause_frames_sent_lo =
 737                         pstats->mac_stx[1].tx_stat_outxonsent_lo;
 738         ADD_64(estats->pause_frames_sent_hi,
 739                pstats->mac_stx[1].tx_stat_outxoffsent_hi,
 740                estats->pause_frames_sent_lo,
 741                pstats->mac_stx[1].tx_stat_outxoffsent_lo);
 742 }
 743
 744 static int bnx2x_hw_stats_update(struct bnx2x *bp)
 745 {
 746         struct nig_stats *new = bnx2x_sp(bp, nig_stats);
 747         struct nig_stats *old = &(bp->port.old_nig_stats);
 748         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
 749         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 750         struct {
 751                 u32 lo;
 752                 u32 hi;
 753         } diff;
 754
 755         switch (bp->link_vars.mac_type) {
 756         case MAC_TYPE_BMAC:
 757                 bnx2x_bmac_stats_update(bp);
 758                 break;
 759
 760         case MAC_TYPE_EMAC:
 761                 bnx2x_emac_stats_update(bp);
 762                 break;
 763
 764         case MAC_TYPE_UMAC:
 765         case MAC_TYPE_XMAC:
 766                 bnx2x_mstat_stats_update(bp);
 767                 break;
 768
 769         case MAC_TYPE_NONE: /* unreached */
 770                 DP(BNX2X_MSG_STATS,
 771                    "stats updated by DMAE but no MAC active\n");
 772                 return -1;
 773
 774         default: /* unreached */
 775                 BNX2X_ERR("Unknown MAC type\n");
 776         }
 777
 778         ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
 779                       new->brb_discard - old->brb_discard);
 780         ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
 781                       new->brb_truncate - old->brb_truncate);
 782
 783         if (!CHIP_IS_E3(bp)) {
 784                 UPDATE_STAT64_NIG(egress_mac_pkt0,
 785                                         etherstatspkts1024octetsto1522octets);
 786                 UPDATE_STAT64_NIG(egress_mac_pkt1,
 787                                         etherstatspktsover1522octets);
 788         }
 789
 790         memcpy(old, new, sizeof(struct nig_stats));
 791
 792         memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
 793                sizeof(struct mac_stx));
 794         estats->brb_drop_hi = pstats->brb_drop_hi;
 795         estats->brb_drop_lo = pstats->brb_drop_lo;
 796
 797         pstats->host_port_stats_counter++;
 798
 799         if (!BP_NOMCP(bp)) {
 800                 u32 nig_timer_max =
 801                         SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer);
 802                 if (nig_timer_max != estats->nig_timer_max) {
 803                         estats->nig_timer_max = nig_timer_max;
 804                         BNX2X_ERR("NIG timer max (%u)\n",
 805                                   estats->nig_timer_max);
 806                 }
 807         }
 808
 809         return 0;
 810 }
 811
 812 static int bnx2x_storm_stats_update(struct bnx2x *bp)
 813 {
 814         struct tstorm_per_port_stats *tport =
 815                                 &bp->fw_stats_data->port.tstorm_port_statistics;
 816         struct tstorm_per_pf_stats *tfunc =
 817                                 &bp->fw_stats_data->pf.tstorm_pf_statistics;
 818         struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
 819         struct bnx2x_eth_stats *estats = &bp->eth_stats;
 820         struct stats_counter *counters = &bp->fw_stats_data->storm_counters;
 821         int i;
 822         u16 cur_stats_counter;
 823
 824         /* Make sure we use the value of the counter
 825          * used for sending the last stats ramrod.
 826          */
 827         spin_lock_bh(&bp->stats_lock);
 828         cur_stats_counter = bp->stats_counter - 1;
 829         spin_unlock_bh(&bp->stats_lock);
 830
 831         /* are storm stats valid? */
 832         if (le16_to_cpu(counters->xstats_counter) != cur_stats_counter) {
 833                 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
 834                    "  xstorm counter (0x%x) != stats_counter (0x%x)\n",
 835                    le16_to_cpu(counters->xstats_counter), bp->stats_counter);
 836                 return -EAGAIN;
 837         }
 838
 839         if (le16_to_cpu(counters->ustats_counter) != cur_stats_counter) {
 840                 DP(BNX2X_MSG_STATS, "stats not updated by ustorm"
 841                    "  ustorm counter (0x%x) != stats_counter (0x%x)\n",
 842                    le16_to_cpu(counters->ustats_counter), bp->stats_counter);
 843                 return -EAGAIN;
 844         }
 845
 846         if (le16_to_cpu(counters->cstats_counter) != cur_stats_counter) {
 847                 DP(BNX2X_MSG_STATS, "stats not updated by cstorm"
 848                    "  cstorm counter (0x%x) != stats_counter (0x%x)\n",
 849                    le16_to_cpu(counters->cstats_counter), bp->stats_counter);
 850                 return -EAGAIN;
 851         }
 852
 853         if (le16_to_cpu(counters->tstats_counter) != cur_stats_counter) {
 854                 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
 855                    "  tstorm counter (0x%x) != stats_counter (0x%x)\n",
 856                    le16_to_cpu(counters->tstats_counter), bp->stats_counter);
 857                 return -EAGAIN;
 858         }
 859
 860         memcpy(&(fstats->total_bytes_received_hi),
 861                &(bnx2x_sp(bp, func_stats_base)->total_bytes_received_hi),
 862                sizeof(struct host_func_stats) - 2*sizeof(u32));
 863         estats->error_bytes_received_hi = 0;
 864         estats->error_bytes_received_lo = 0;
 865         estats->etherstatsoverrsizepkts_hi = 0;
 866         estats->etherstatsoverrsizepkts_lo = 0;
 867         estats->no_buff_discard_hi = 0;
 868         estats->no_buff_discard_lo = 0;
 869         estats->total_tpa_aggregations_hi = 0;
 870         estats->total_tpa_aggregations_lo = 0;
 871         estats->total_tpa_aggregated_frames_hi = 0;
 872         estats->total_tpa_aggregated_frames_lo = 0;
 873         estats->total_tpa_bytes_hi = 0;
 874         estats->total_tpa_bytes_lo = 0;
 875
 876         for_each_eth_queue(bp, i) {
 877                 struct bnx2x_fastpath *fp = &bp->fp[i];
 878                 struct tstorm_per_queue_stats *tclient =
 879                         &bp->fw_stats_data->queue_stats[i].
 880                         tstorm_queue_statistics;
 881                 struct tstorm_per_queue_stats *old_tclient = &fp->old_tclient;
 882                 struct ustorm_per_queue_stats *uclient =
 883                         &bp->fw_stats_data->queue_stats[i].
 884                         ustorm_queue_statistics;
 885                 struct ustorm_per_queue_stats *old_uclient = &fp->old_uclient;
 886                 struct xstorm_per_queue_stats *xclient =
 887                         &bp->fw_stats_data->queue_stats[i].
 888                         xstorm_queue_statistics;
 889                 struct xstorm_per_queue_stats *old_xclient = &fp->old_xclient;
 890                 struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
 891                 u32 diff;
 892
 893                 DP(BNX2X_MSG_STATS, "queue[%d]: ucast_sent 0x%x, "
 894                                     "bcast_sent 0x%x mcast_sent 0x%x\n",
 895                    i, xclient->ucast_pkts_sent,
 896                    xclient->bcast_pkts_sent, xclient->mcast_pkts_sent);
 897
 898                 DP(BNX2X_MSG_STATS, "---------------\n");
 899
 900                 qstats->total_broadcast_bytes_received_hi =
 901                         le32_to_cpu(tclient->rcv_bcast_bytes.hi);
 902                 qstats->total_broadcast_bytes_received_lo =
 903                         le32_to_cpu(tclient->rcv_bcast_bytes.lo);
 904
 905                 qstats->total_multicast_bytes_received_hi =
 906                         le32_to_cpu(tclient->rcv_mcast_bytes.hi);
 907                 qstats->total_multicast_bytes_received_lo =
 908                         le32_to_cpu(tclient->rcv_mcast_bytes.lo);
 909
 910                 qstats->total_unicast_bytes_received_hi =
 911                         le32_to_cpu(tclient->rcv_ucast_bytes.hi);
 912                 qstats->total_unicast_bytes_received_lo =
 913                         le32_to_cpu(tclient->rcv_ucast_bytes.lo);
 914
 915                 /*
 916                  * sum to total_bytes_received all
 917                  * unicast/multicast/broadcast
 918                  */
 919                 qstats->total_bytes_received_hi =
 920                         qstats->total_broadcast_bytes_received_hi;
 921                 qstats->total_bytes_received_lo =
 922                         qstats->total_broadcast_bytes_received_lo;
 923
 924                 ADD_64(qstats->total_bytes_received_hi,
 925                        qstats->total_multicast_bytes_received_hi,
 926                        qstats->total_bytes_received_lo,
 927                        qstats->total_multicast_bytes_received_lo);
 928
 929                 ADD_64(qstats->total_bytes_received_hi,
 930                        qstats->total_unicast_bytes_received_hi,
 931                        qstats->total_bytes_received_lo,
 932                        qstats->total_unicast_bytes_received_lo);
 933
 934                 qstats->valid_bytes_received_hi =
 935                                         qstats->total_bytes_received_hi;
 936                 qstats->valid_bytes_received_lo =
 937                                         qstats->total_bytes_received_lo;
 938
 939
 940                 UPDATE_EXTEND_TSTAT(rcv_ucast_pkts,
 941                                         total_unicast_packets_received);
 942                 UPDATE_EXTEND_TSTAT(rcv_mcast_pkts,
 943                                         total_multicast_packets_received);
 944                 UPDATE_EXTEND_TSTAT(rcv_bcast_pkts,
 945                                         total_broadcast_packets_received);
 946                 UPDATE_EXTEND_TSTAT(pkts_too_big_discard,
 947                                         etherstatsoverrsizepkts);
 948                 UPDATE_EXTEND_TSTAT(no_buff_discard, no_buff_discard);
 949
 950                 SUB_EXTEND_USTAT(ucast_no_buff_pkts,
 951                                         total_unicast_packets_received);
 952                 SUB_EXTEND_USTAT(mcast_no_buff_pkts,
 953                                         total_multicast_packets_received);
 954                 SUB_EXTEND_USTAT(bcast_no_buff_pkts,
 955                                         total_broadcast_packets_received);
 956                 UPDATE_EXTEND_USTAT(ucast_no_buff_pkts, no_buff_discard);
 957                 UPDATE_EXTEND_USTAT(mcast_no_buff_pkts, no_buff_discard);
 958                 UPDATE_EXTEND_USTAT(bcast_no_buff_pkts, no_buff_discard);
 959
 960                 qstats->total_broadcast_bytes_transmitted_hi =
 961                         le32_to_cpu(xclient->bcast_bytes_sent.hi);
 962                 qstats->total_broadcast_bytes_transmitted_lo =
 963                         le32_to_cpu(xclient->bcast_bytes_sent.lo);
 964
 965                 qstats->total_multicast_bytes_transmitted_hi =
 966                         le32_to_cpu(xclient->mcast_bytes_sent.hi);
 967                 qstats->total_multicast_bytes_transmitted_lo =
 968                         le32_to_cpu(xclient->mcast_bytes_sent.lo);
 969
 970                 qstats->total_unicast_bytes_transmitted_hi =
 971                         le32_to_cpu(xclient->ucast_bytes_sent.hi);
 972                 qstats->total_unicast_bytes_transmitted_lo =
 973                         le32_to_cpu(xclient->ucast_bytes_sent.lo);
 974                 /*
 975                  * sum to total_bytes_transmitted all
 976                  * unicast/multicast/broadcast
 977                  */
 978                 qstats->total_bytes_transmitted_hi =
 979                                 qstats->total_unicast_bytes_transmitted_hi;
 980                 qstats->total_bytes_transmitted_lo =
 981                                 qstats->total_unicast_bytes_transmitted_lo;
 982
 983                 ADD_64(qstats->total_bytes_transmitted_hi,
 984                        qstats->total_broadcast_bytes_transmitted_hi,
 985                        qstats->total_bytes_transmitted_lo,
 986                        qstats->total_broadcast_bytes_transmitted_lo);
 987
 988                 ADD_64(qstats->total_bytes_transmitted_hi,
 989                        qstats->total_multicast_bytes_transmitted_hi,
 990                        qstats->total_bytes_transmitted_lo,
 991                        qstats->total_multicast_bytes_transmitted_lo);
 992
 993                 UPDATE_EXTEND_XSTAT(ucast_pkts_sent,
 994                                         total_unicast_packets_transmitted);
 995                 UPDATE_EXTEND_XSTAT(mcast_pkts_sent,
 996                                         total_multicast_packets_transmitted);
 997                 UPDATE_EXTEND_XSTAT(bcast_pkts_sent,
 998                                         total_broadcast_packets_transmitted);
 999
1000                 UPDATE_EXTEND_TSTAT(checksum_discard,
1001                                     total_packets_received_checksum_discarded);
1002                 UPDATE_EXTEND_TSTAT(ttl0_discard,
1003                                     total_packets_received_ttl0_discarded);
1004
1005                 UPDATE_EXTEND_XSTAT(error_drop_pkts,
1006                                     total_transmitted_dropped_packets_error);
1007
1008                 /* TPA aggregations completed */
1009                 UPDATE_EXTEND_USTAT(coalesced_events, total_tpa_aggregations);
1010                 /* Number of network frames aggregated by TPA */
1011                 UPDATE_EXTEND_USTAT(coalesced_pkts,
1012                                     total_tpa_aggregated_frames);
1013                 /* Total number of bytes in completed TPA aggregations */
1014                 qstats->total_tpa_bytes_lo =
1015                         le32_to_cpu(uclient->coalesced_bytes.lo);
1016                 qstats->total_tpa_bytes_hi =
1017                         le32_to_cpu(uclient->coalesced_bytes.hi);
1018
1019                 /* TPA stats per-function */
1020                 ADD_64(estats->total_tpa_aggregations_hi,
1021                        qstats->total_tpa_aggregations_hi,
1022                        estats->total_tpa_aggregations_lo,
1023                        qstats->total_tpa_aggregations_lo);
1024                 ADD_64(estats->total_tpa_aggregated_frames_hi,
1025                        qstats->total_tpa_aggregated_frames_hi,
1026                        estats->total_tpa_aggregated_frames_lo,
1027                        qstats->total_tpa_aggregated_frames_lo);
1028                 ADD_64(estats->total_tpa_bytes_hi,
1029                        qstats->total_tpa_bytes_hi,
1030                        estats->total_tpa_bytes_lo,
1031                        qstats->total_tpa_bytes_lo);
1032
1033                 ADD_64(fstats->total_bytes_received_hi,
1034                        qstats->total_bytes_received_hi,
1035                        fstats->total_bytes_received_lo,
1036                        qstats->total_bytes_received_lo);
1037                 ADD_64(fstats->total_bytes_transmitted_hi,
1038                        qstats->total_bytes_transmitted_hi,
1039                        fstats->total_bytes_transmitted_lo,
1040                        qstats->total_bytes_transmitted_lo);
1041                 ADD_64(fstats->total_unicast_packets_received_hi,
1042                        qstats->total_unicast_packets_received_hi,
1043                        fstats->total_unicast_packets_received_lo,
1044                        qstats->total_unicast_packets_received_lo);
1045                 ADD_64(fstats->total_multicast_packets_received_hi,
1046                        qstats->total_multicast_packets_received_hi,
1047                        fstats->total_multicast_packets_received_lo,
1048                        qstats->total_multicast_packets_received_lo);
1049                 ADD_64(fstats->total_broadcast_packets_received_hi,
1050                        qstats->total_broadcast_packets_received_hi,
1051                        fstats->total_broadcast_packets_received_lo,
1052                        qstats->total_broadcast_packets_received_lo);
1053                 ADD_64(fstats->total_unicast_packets_transmitted_hi,
1054                        qstats->total_unicast_packets_transmitted_hi,
1055                        fstats->total_unicast_packets_transmitted_lo,
1056                        qstats->total_unicast_packets_transmitted_lo);
1057                 ADD_64(fstats->total_multicast_packets_transmitted_hi,
1058                        qstats->total_multicast_packets_transmitted_hi,
1059                        fstats->total_multicast_packets_transmitted_lo,
1060                        qstats->total_multicast_packets_transmitted_lo);
1061                 ADD_64(fstats->total_broadcast_packets_transmitted_hi,
1062                        qstats->total_broadcast_packets_transmitted_hi,
1063                        fstats->total_broadcast_packets_transmitted_lo,
1064                        qstats->total_broadcast_packets_transmitted_lo);
1065                 ADD_64(fstats->valid_bytes_received_hi,
1066                        qstats->valid_bytes_received_hi,
1067                        fstats->valid_bytes_received_lo,
1068                        qstats->valid_bytes_received_lo);
1069
1070                 ADD_64(estats->etherstatsoverrsizepkts_hi,
1071                        qstats->etherstatsoverrsizepkts_hi,
1072                        estats->etherstatsoverrsizepkts_lo,
1073                        qstats->etherstatsoverrsizepkts_lo);
1074                 ADD_64(estats->no_buff_discard_hi, qstats->no_buff_discard_hi,
1075                        estats->no_buff_discard_lo, qstats->no_buff_discard_lo);
1076         }
1077
1078         ADD_64(fstats->total_bytes_received_hi,
1079                estats->rx_stat_ifhcinbadoctets_hi,
1080                fstats->total_bytes_received_lo,
1081                estats->rx_stat_ifhcinbadoctets_lo);
1082
1083         ADD_64(fstats->total_bytes_received_hi,
1084                tfunc->rcv_error_bytes.hi,
1085                fstats->total_bytes_received_lo,
1086                tfunc->rcv_error_bytes.lo);
1087
1088         memcpy(estats, &(fstats->total_bytes_received_hi),
1089                sizeof(struct host_func_stats) - 2*sizeof(u32));
1090
1091         ADD_64(estats->error_bytes_received_hi,
1092                tfunc->rcv_error_bytes.hi,
1093                estats->error_bytes_received_lo,
1094                tfunc->rcv_error_bytes.lo);
1095
1096         ADD_64(estats->etherstatsoverrsizepkts_hi,
1097                estats->rx_stat_dot3statsframestoolong_hi,
1098                estats->etherstatsoverrsizepkts_lo,
1099                estats->rx_stat_dot3statsframestoolong_lo);
1100         ADD_64(estats->error_bytes_received_hi,
1101                estats->rx_stat_ifhcinbadoctets_hi,
1102                estats->error_bytes_received_lo,
1103                estats->rx_stat_ifhcinbadoctets_lo);
1104
1105         if (bp->port.pmf) {
1106                 estats->mac_filter_discard =
1107                                 le32_to_cpu(tport->mac_filter_discard);
1108                 estats->mf_tag_discard =
1109                                 le32_to_cpu(tport->mf_tag_discard);
1110                 estats->brb_truncate_discard =
1111                                 le32_to_cpu(tport->brb_truncate_discard);
1112                 estats->mac_discard = le32_to_cpu(tport->mac_discard);
1113         }
1114
1115         fstats->host_func_stats_start = ++fstats->host_func_stats_end;
1116
1117         bp->stats_pending = 0;
1118
1119         return 0;
1120 }
1121
1122 static void bnx2x_net_stats_update(struct bnx2x *bp)
1123 {
1124         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1125         struct net_device_stats *nstats = &bp->dev->stats;
1126         unsigned long tmp;
1127         int i;
1128
1129         nstats->rx_packets =
1130                 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
1131                 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
1132                 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
1133
1134         nstats->tx_packets =
1135                 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
1136                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
1137                 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
1138
1139         nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi);
1140
1141         nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
1142
1143         tmp = estats->mac_discard;
1144         for_each_rx_queue(bp, i)
1145                 tmp += le32_to_cpu(bp->fp[i].old_tclient.checksum_discard);
1146         nstats->rx_dropped = tmp;
1147
1148         nstats->tx_dropped = 0;
1149
1150         nstats->multicast =
1151                 bnx2x_hilo(&estats->total_multicast_packets_received_hi);
1152
1153         nstats->collisions =
1154                 bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi);
1155
1156         nstats->rx_length_errors =
1157                 bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) +
1158                 bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi);
1159         nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) +
1160                                  bnx2x_hilo(&estats->brb_truncate_hi);
1161         nstats->rx_crc_errors =
1162                 bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi);
1163         nstats->rx_frame_errors =
1164                 bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi);
1165         nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi);
1166         nstats->rx_missed_errors = 0;
1167
1168         nstats->rx_errors = nstats->rx_length_errors +
1169                             nstats->rx_over_errors +
1170                             nstats->rx_crc_errors +
1171                             nstats->rx_frame_errors +
1172                             nstats->rx_fifo_errors +
1173                             nstats->rx_missed_errors;
1174
1175         nstats->tx_aborted_errors =
1176                 bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) +
1177                 bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi);
1178         nstats->tx_carrier_errors =
1179                 bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi);
1180         nstats->tx_fifo_errors = 0;
1181         nstats->tx_heartbeat_errors = 0;
1182         nstats->tx_window_errors = 0;
1183
1184         nstats->tx_errors = nstats->tx_aborted_errors +
1185                             nstats->tx_carrier_errors +
1186             bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi);
1187 }
1188
1189 static void bnx2x_drv_stats_update(struct bnx2x *bp)
1190 {
1191         struct bnx2x_eth_stats *estats = &bp->eth_stats;
1192         int i;
1193
1194         estats->driver_xoff = 0;
1195         estats->rx_err_discard_pkt = 0;
1196         estats->rx_skb_alloc_failed = 0;
1197         estats->hw_csum_err = 0;
1198         for_each_queue(bp, i) {
1199                 struct bnx2x_eth_q_stats *qstats = &bp->fp[i].eth_q_stats;
1200
1201                 estats->driver_xoff += qstats->driver_xoff;
1202                 estats->rx_err_discard_pkt += qstats->rx_err_discard_pkt;
1203                 estats->rx_skb_alloc_failed += qstats->rx_skb_alloc_failed;
1204                 estats->hw_csum_err += qstats->hw_csum_err;
1205         }
1206 }
1207
1208 static bool bnx2x_edebug_stats_stopped(struct bnx2x *bp)
1209 {
1210         u32 val;
1211
1212         if (SHMEM2_HAS(bp, edebug_driver_if[1])) {
1213                 val = SHMEM2_RD(bp, edebug_driver_if[1]);
1214
1215                 if (val == EDEBUG_DRIVER_IF_OP_CODE_DISABLE_STAT)
1216                         return true;
1217         }
1218
1219         return false;
1220 }
1221
1222 static void bnx2x_stats_update(struct bnx2x *bp)
1223 {
1224         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1225
1226         if (bnx2x_edebug_stats_stopped(bp))
1227                 return;
1228
1229         if (*stats_comp != DMAE_COMP_VAL)
1230                 return;
1231
1232         if (bp->port.pmf)
1233                 bnx2x_hw_stats_update(bp);
1234
1235         if (bnx2x_storm_stats_update(bp) && (bp->stats_pending++ == 3)) {
1236                 BNX2X_ERR("storm stats were not updated for 3 times\n");
1237                 bnx2x_panic();
1238                 return;
1239         }
1240
1241         bnx2x_net_stats_update(bp);
1242         bnx2x_drv_stats_update(bp);
1243
1244         if (netif_msg_timer(bp)) {
1245                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
1246                 int i, cos;
1247
1248                 netdev_dbg(bp->dev, "brb drops %u  brb truncate %u\n",
1249                        estats->brb_drop_lo, estats->brb_truncate_lo);
1250
1251                 for_each_eth_queue(bp, i) {
1252                         struct bnx2x_fastpath *fp = &bp->fp[i];
1253                         struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
1254
1255                         pr_debug("%s: rx usage(%4u)  *rx_cons_sb(%u)  rx pkt(%lu)  rx calls(%lu %lu)\n",
1256                                  fp->name, (le16_to_cpu(*fp->rx_cons_sb) -
1257                                             fp->rx_comp_cons),
1258                                  le16_to_cpu(*fp->rx_cons_sb),
1259                                  bnx2x_hilo(&qstats->
1260                                             total_unicast_packets_received_hi),
1261                                  fp->rx_calls, fp->rx_pkt);
1262                 }
1263
1264                 for_each_eth_queue(bp, i) {
1265                         struct bnx2x_fastpath *fp = &bp->fp[i];
1266                         struct bnx2x_fp_txdata *txdata;
1267                         struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
1268                         struct netdev_queue *txq;
1269
1270                         pr_debug("%s: tx pkt(%lu) (Xoff events %u)",
1271                                  fp->name,
1272                                  bnx2x_hilo(
1273                                          &qstats->total_unicast_packets_transmitted_hi),
1274                                  qstats->driver_xoff);
1275
1276                         for_each_cos_in_tx_queue(fp, cos) {
1277                                 txdata = &fp->txdata[cos];
1278                                 txq = netdev_get_tx_queue(bp->dev,
1279                                                 FP_COS_TO_TXQ(fp, cos));
1280
1281                                 pr_debug("%d: tx avail(%4u)  *tx_cons_sb(%u)  tx calls (%lu)  %s\n",
1282                                          cos,
1283                                          bnx2x_tx_avail(bp, txdata),
1284                                          le16_to_cpu(*txdata->tx_cons_sb),
1285                                          txdata->tx_pkt,
1286                                          (netif_tx_queue_stopped(txq) ?
1287                                           "Xoff" : "Xon")
1288                                         );
1289                         }
1290                 }
1291         }
1292
1293         bnx2x_hw_stats_post(bp);
1294         bnx2x_storm_stats_post(bp);
1295 }
1296
1297 static void bnx2x_port_stats_stop(struct bnx2x *bp)
1298 {
1299         struct dmae_command *dmae;
1300         u32 opcode;
1301         int loader_idx = PMF_DMAE_C(bp);
1302         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1303
1304         bp->executer_idx = 0;
1305
1306         opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC, false, 0);
1307
1308         if (bp->port.port_stx) {
1309
1310                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1311                 if (bp->func_stx)
1312                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1313                                                 opcode, DMAE_COMP_GRC);
1314                 else
1315                         dmae->opcode = bnx2x_dmae_opcode_add_comp(
1316                                                 opcode, DMAE_COMP_PCI);
1317
1318                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1319                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1320                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
1321                 dmae->dst_addr_hi = 0;
1322                 dmae->len = bnx2x_get_port_stats_dma_len(bp);
1323                 if (bp->func_stx) {
1324                         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
1325                         dmae->comp_addr_hi = 0;
1326                         dmae->comp_val = 1;
1327                 } else {
1328                         dmae->comp_addr_lo =
1329                                 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1330                         dmae->comp_addr_hi =
1331                                 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1332                         dmae->comp_val = DMAE_COMP_VAL;
1333
1334                         *stats_comp = 0;
1335                 }
1336         }
1337
1338         if (bp->func_stx) {
1339
1340                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1341                 dmae->opcode =
1342                         bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
1343                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
1344                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
1345                 dmae->dst_addr_lo = bp->func_stx >> 2;
1346                 dmae->dst_addr_hi = 0;
1347                 dmae->len = sizeof(struct host_func_stats) >> 2;
1348                 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1349                 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1350                 dmae->comp_val = DMAE_COMP_VAL;
1351
1352                 *stats_comp = 0;
1353         }
1354 }
1355
1356 static void bnx2x_stats_stop(struct bnx2x *bp)
1357 {
1358         int update = 0;
1359
1360         bnx2x_stats_comp(bp);
1361
1362         if (bp->port.pmf)
1363                 update = (bnx2x_hw_stats_update(bp) == 0);
1364
1365         update |= (bnx2x_storm_stats_update(bp) == 0);
1366
1367         if (update) {
1368                 bnx2x_net_stats_update(bp);
1369
1370                 if (bp->port.pmf)
1371                         bnx2x_port_stats_stop(bp);
1372
1373                 bnx2x_hw_stats_post(bp);
1374                 bnx2x_stats_comp(bp);
1375         }
1376 }
1377
1378 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
1379 {
1380 }
1381
1382 static const struct {
1383         void (*action)(struct bnx2x *bp);
1384         enum bnx2x_stats_state next_state;
1385 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
1386 /* state        event   */
1387 {
1388 /* DISABLED     PMF     */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
1389 /*              LINK_UP */ {bnx2x_stats_start,      STATS_STATE_ENABLED},
1390 /*              UPDATE  */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
1391 /*              STOP    */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
1392 },
1393 {
1394 /* ENABLED      PMF     */ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
1395 /*              LINK_UP */ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
1396 /*              UPDATE  */ {bnx2x_stats_update,     STATS_STATE_ENABLED},
1397 /*              STOP    */ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
1398 }
1399 };
1400
1401 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
1402 {
1403         enum bnx2x_stats_state state;
1404         if (unlikely(bp->panic))
1405                 return;
1406
1407         spin_lock_bh(&bp->stats_lock);
1408         state = bp->stats_state;
1409         bp->stats_state = bnx2x_stats_stm[state][event].next_state;
1410         spin_unlock_bh(&bp->stats_lock);
1411
1412         bnx2x_stats_stm[state][event].action(bp);
1413
1414         if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
1415                 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
1416                    state, event, bp->stats_state);
1417 }
1418
1419 static void bnx2x_port_stats_base_init(struct bnx2x *bp)
1420 {
1421         struct dmae_command *dmae;
1422         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1423
1424         /* sanity */
1425         if (!bp->port.pmf || !bp->port.port_stx) {
1426                 BNX2X_ERR("BUG!\n");
1427                 return;
1428         }
1429
1430         bp->executer_idx = 0;
1431
1432         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1433         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
1434                                          true, DMAE_COMP_PCI);
1435         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1436         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1437         dmae->dst_addr_lo = bp->port.port_stx >> 2;
1438         dmae->dst_addr_hi = 0;
1439         dmae->len = bnx2x_get_port_stats_dma_len(bp);
1440         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1441         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1442         dmae->comp_val = DMAE_COMP_VAL;
1443
1444         *stats_comp = 0;
1445         bnx2x_hw_stats_post(bp);
1446         bnx2x_stats_comp(bp);
1447 }
1448
1449 static void bnx2x_func_stats_base_init(struct bnx2x *bp)
1450 {
1451         int vn, vn_max = IS_MF(bp) ? BP_MAX_VN_NUM(bp) : E1VN_MAX;
1452         u32 func_stx;
1453
1454         /* sanity */
1455         if (!bp->port.pmf || !bp->func_stx) {
1456                 BNX2X_ERR("BUG!\n");
1457                 return;
1458         }
1459
1460         /* save our func_stx */
1461         func_stx = bp->func_stx;
1462
1463         for (vn = VN_0; vn < vn_max; vn++) {
1464                 int mb_idx = BP_FW_MB_IDX_VN(bp, vn);
1465
1466                 bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1467                 bnx2x_func_stats_init(bp);
1468                 bnx2x_hw_stats_post(bp);
1469                 bnx2x_stats_comp(bp);
1470         }
1471
1472         /* restore our func_stx */
1473         bp->func_stx = func_stx;
1474 }
1475
1476 static void bnx2x_func_stats_base_update(struct bnx2x *bp)
1477 {
1478         struct dmae_command *dmae = &bp->stats_dmae;
1479         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1480
1481         /* sanity */
1482         if (!bp->func_stx) {
1483                 BNX2X_ERR("BUG!\n");
1484                 return;
1485         }
1486
1487         bp->executer_idx = 0;
1488         memset(dmae, 0, sizeof(struct dmae_command));
1489
1490         dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
1491                                          true, DMAE_COMP_PCI);
1492         dmae->src_addr_lo = bp->func_stx >> 2;
1493         dmae->src_addr_hi = 0;
1494         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats_base));
1495         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats_base));
1496         dmae->len = sizeof(struct host_func_stats) >> 2;
1497         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1498         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1499         dmae->comp_val = DMAE_COMP_VAL;
1500
1501         *stats_comp = 0;
1502         bnx2x_hw_stats_post(bp);
1503         bnx2x_stats_comp(bp);
1504 }
1505
1506 /**
1507  * This function will prepare the statistics ramrod data the way
1508  * we will only have to increment the statistics counter and
1509  * send the ramrod each time we have to.
1510  *
1511  * @param bp
1512  */
1513 static inline void bnx2x_prep_fw_stats_req(struct bnx2x *bp)
1514 {
1515         int i;
1516         int first_queue_query_index;
1517         struct stats_query_header *stats_hdr = &bp->fw_stats_req->hdr;
1518
1519         dma_addr_t cur_data_offset;
1520         struct stats_query_entry *cur_query_entry;
1521
1522         stats_hdr->cmd_num = bp->fw_stats_num;
1523         stats_hdr->drv_stats_counter = 0;
1524
1525         /* storm_counters struct contains the counters of completed
1526          * statistics requests per storm which are incremented by FW
1527          * each time it completes hadning a statistics ramrod. We will
1528          * check these counters in the timer handler and discard a
1529          * (statistics) ramrod completion.
1530          */
1531         cur_data_offset = bp->fw_stats_data_mapping +
1532                 offsetof(struct bnx2x_fw_stats_data, storm_counters);
1533
1534         stats_hdr->stats_counters_addrs.hi =
1535                 cpu_to_le32(U64_HI(cur_data_offset));
1536         stats_hdr->stats_counters_addrs.lo =
1537                 cpu_to_le32(U64_LO(cur_data_offset));
1538
1539         /* prepare to the first stats ramrod (will be completed with
1540          * the counters equal to zero) - init counters to somethig different.
1541          */
1542         memset(&bp->fw_stats_data->storm_counters, 0xff,
1543                sizeof(struct stats_counter));
1544
1545         /**** Port FW statistics data ****/
1546         cur_data_offset = bp->fw_stats_data_mapping +
1547                 offsetof(struct bnx2x_fw_stats_data, port);
1548
1549         cur_query_entry = &bp->fw_stats_req->query[BNX2X_PORT_QUERY_IDX];
1550
1551         cur_query_entry->kind = STATS_TYPE_PORT;
1552         /* For port query index is a DONT CARE */
1553         cur_query_entry->index = BP_PORT(bp);
1554         /* For port query funcID is a DONT CARE */
1555         cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1556         cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1557         cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1558
1559         /**** PF FW statistics data ****/
1560         cur_data_offset = bp->fw_stats_data_mapping +
1561                 offsetof(struct bnx2x_fw_stats_data, pf);
1562
1563         cur_query_entry = &bp->fw_stats_req->query[BNX2X_PF_QUERY_IDX];
1564
1565         cur_query_entry->kind = STATS_TYPE_PF;
1566         /* For PF query index is a DONT CARE */
1567         cur_query_entry->index = BP_PORT(bp);
1568         cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1569         cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1570         cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1571
1572         /**** FCoE FW statistics data ****/
1573         if (!NO_FCOE(bp)) {
1574                 cur_data_offset = bp->fw_stats_data_mapping +
1575                         offsetof(struct bnx2x_fw_stats_data, fcoe);
1576
1577                 cur_query_entry =
1578                         &bp->fw_stats_req->query[BNX2X_FCOE_QUERY_IDX];
1579
1580                 cur_query_entry->kind = STATS_TYPE_FCOE;
1581                 /* For FCoE query index is a DONT CARE */
1582                 cur_query_entry->index = BP_PORT(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         /**** Clients' queries ****/
1591         cur_data_offset = bp->fw_stats_data_mapping +
1592                 offsetof(struct bnx2x_fw_stats_data, queue_stats);
1593
1594         /* first queue query index depends whether FCoE offloaded request will
1595          * be included in the ramrod
1596          */
1597         if (!NO_FCOE(bp))
1598                 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX;
1599         else
1600                 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - 1;
1601
1602         for_each_eth_queue(bp, i) {
1603                 cur_query_entry =
1604                         &bp->fw_stats_req->
1605                                         query[first_queue_query_index + i];
1606
1607                 cur_query_entry->kind = STATS_TYPE_QUEUE;
1608                 cur_query_entry->index = bnx2x_stats_id(&bp->fp[i]);
1609                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1610                 cur_query_entry->address.hi =
1611                         cpu_to_le32(U64_HI(cur_data_offset));
1612                 cur_query_entry->address.lo =
1613                         cpu_to_le32(U64_LO(cur_data_offset));
1614
1615                 cur_data_offset += sizeof(struct per_queue_stats);
1616         }
1617
1618         /* add FCoE queue query if needed */
1619         if (!NO_FCOE(bp)) {
1620                 cur_query_entry =
1621                         &bp->fw_stats_req->
1622                                         query[first_queue_query_index + i];
1623
1624                 cur_query_entry->kind = STATS_TYPE_QUEUE;
1625                 cur_query_entry->index = bnx2x_stats_id(&bp->fp[FCOE_IDX]);
1626                 cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1627                 cur_query_entry->address.hi =
1628                         cpu_to_le32(U64_HI(cur_data_offset));
1629                 cur_query_entry->address.lo =
1630                         cpu_to_le32(U64_LO(cur_data_offset));
1631         }
1632 }
1633
1634 void bnx2x_stats_init(struct bnx2x *bp)
1635 {
1636         int /*abs*/port = BP_PORT(bp);
1637         int mb_idx = BP_FW_MB_IDX(bp);
1638         int i;
1639
1640         bp->stats_pending = 0;
1641         bp->executer_idx = 0;
1642         bp->stats_counter = 0;
1643
1644         /* port and func stats for management */
1645         if (!BP_NOMCP(bp)) {
1646                 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
1647                 bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1648
1649         } else {
1650                 bp->port.port_stx = 0;
1651                 bp->func_stx = 0;
1652         }
1653         DP(BNX2X_MSG_STATS, "port_stx 0x%x  func_stx 0x%x\n",
1654            bp->port.port_stx, bp->func_stx);
1655
1656         port = BP_PORT(bp);
1657         /* port stats */
1658         memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
1659         bp->port.old_nig_stats.brb_discard =
1660                         REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
1661         bp->port.old_nig_stats.brb_truncate =
1662                         REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
1663         if (!CHIP_IS_E3(bp)) {
1664                 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
1665                             &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
1666                 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
1667                             &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
1668         }
1669
1670         /* function stats */
1671         for_each_queue(bp, i) {
1672                 struct bnx2x_fastpath *fp = &bp->fp[i];
1673
1674                 memset(&fp->old_tclient, 0, sizeof(fp->old_tclient));
1675                 memset(&fp->old_uclient, 0, sizeof(fp->old_uclient));
1676                 memset(&fp->old_xclient, 0, sizeof(fp->old_xclient));
1677                 memset(&fp->eth_q_stats, 0, sizeof(fp->eth_q_stats));
1678         }
1679
1680         /* Prepare statistics ramrod data */
1681         bnx2x_prep_fw_stats_req(bp);
1682
1683         memset(&bp->dev->stats, 0, sizeof(bp->dev->stats));
1684         memset(&bp->eth_stats, 0, sizeof(bp->eth_stats));
1685
1686         bp->stats_state = STATS_STATE_DISABLED;
1687
1688         if (bp->port.pmf) {
1689                 if (bp->port.port_stx)
1690                         bnx2x_port_stats_base_init(bp);
1691
1692                 if (bp->func_stx)
1693                         bnx2x_func_stats_base_init(bp);
1694
1695         } else if (bp->func_stx)
1696                 bnx2x_func_stats_base_update(bp);
1697 }