err.no Git - linux-2.6/blob - drivers/net/bnx2x_main.c

   1 /* bnx2x_main.c: Broadcom Everest network driver.
   2  *
   3  * Copyright (c) 2007-2008 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 rework by Vladislav Zolotarov
  14  * Statistics and Link management by Yitchak Gertner
  15  *
  16  */
  17
  18 #include <linux/module.h>
  19 #include <linux/moduleparam.h>
  20 #include <linux/kernel.h>
  21 #include <linux/device.h>  /* for dev_info() */
  22 #include <linux/timer.h>
  23 #include <linux/errno.h>
  24 #include <linux/ioport.h>
  25 #include <linux/slab.h>
  26 #include <linux/vmalloc.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/pci.h>
  29 #include <linux/init.h>
  30 #include <linux/netdevice.h>
  31 #include <linux/etherdevice.h>
  32 #include <linux/skbuff.h>
  33 #include <linux/dma-mapping.h>
  34 #include <linux/bitops.h>
  35 #include <linux/irq.h>
  36 #include <linux/delay.h>
  37 #include <asm/byteorder.h>
  38 #include <linux/time.h>
  39 #include <linux/ethtool.h>
  40 #include <linux/mii.h>
  41 #ifdef NETIF_F_HW_VLAN_TX
  42         #include <linux/if_vlan.h>
  43 #endif
  44 #include <net/ip.h>
  45 #include <net/tcp.h>
  46 #include <net/checksum.h>
  47 #include <net/ip6_checksum.h>
  48 #include <linux/workqueue.h>
  49 #include <linux/crc32.h>
  50 #include <linux/crc32c.h>
  51 #include <linux/prefetch.h>
  52 #include <linux/zlib.h>
  53 #include <linux/io.h>
  54
  55 #include "bnx2x_reg.h"
  56 #include "bnx2x_fw_defs.h"
  57 #include "bnx2x_hsi.h"
  58 #include "bnx2x_link.h"
  59 #include "bnx2x.h"
  60 #include "bnx2x_init.h"
  61
  62 #define DRV_MODULE_VERSION      "1.45.20"
  63 #define DRV_MODULE_RELDATE      "2008/08/25"
  64 #define BNX2X_BC_VER            0x040200
  65
  66 /* Time in jiffies before concluding the transmitter is hung */
  67 #define TX_TIMEOUT              (5*HZ)
  68
  69 static char version[] __devinitdata =
  70         "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
  71         DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  72
  73 MODULE_AUTHOR("Eliezer Tamir");
  74 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
  75 MODULE_LICENSE("GPL");
  76 MODULE_VERSION(DRV_MODULE_VERSION);
  77
  78 static int disable_tpa;
  79 static int use_inta;
  80 static int poll;
  81 static int debug;
  82 static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
  83 static int use_multi;
  84
  85 module_param(disable_tpa, int, 0);
  86 module_param(use_inta, int, 0);
  87 module_param(poll, int, 0);
  88 module_param(debug, int, 0);
  89 MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
  90 MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
  91 MODULE_PARM_DESC(poll, "use polling (for debug)");
  92 MODULE_PARM_DESC(debug, "default debug msglevel");
  93
  94 #ifdef BNX2X_MULTI
  95 module_param(use_multi, int, 0);
  96 MODULE_PARM_DESC(use_multi, "use per-CPU queues");
  97 #endif
  98
  99 enum bnx2x_board_type {
 100         BCM57710 = 0,
 101         BCM57711 = 1,
 102         BCM57711E = 2,
 103 };
 104
 105 /* indexed by board_type, above */
 106 static struct {
 107         char *name;
 108 } board_info[] __devinitdata = {
 109         { "Broadcom NetXtreme II BCM57710 XGb" },
 110         { "Broadcom NetXtreme II BCM57711 XGb" },
 111         { "Broadcom NetXtreme II BCM57711E XGb" }
 112 };
 113
 114
 115 static const struct pci_device_id bnx2x_pci_tbl[] = {
 116         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
 117                 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
 118         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
 119                 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
 120         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
 121                 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
 122         { 0 }
 123 };
 124
 125 MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
 126
 127 /****************************************************************************
 128 * General service functions
 129 ****************************************************************************/
 130
 131 /* used only at init
 132  * locking is done by mcp
 133  */
 134 static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
 135 {
 136         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
 137         pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
 138         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
 139                                PCICFG_VENDOR_ID_OFFSET);
 140 }
 141
 142 static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
 143 {
 144         u32 val;
 145
 146         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
 147         pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
 148         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
 149                                PCICFG_VENDOR_ID_OFFSET);
 150
 151         return val;
 152 }
 153
 154 static const u32 dmae_reg_go_c[] = {
 155         DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
 156         DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
 157         DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
 158         DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
 159 };
 160
 161 /* copy command into DMAE command memory and set DMAE command go */
 162 static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
 163                             int idx)
 164 {
 165         u32 cmd_offset;
 166         int i;
 167
 168         cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
 169         for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
 170                 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
 171
 172                 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
 173                    idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
 174         }
 175         REG_WR(bp, dmae_reg_go_c[idx], 1);
 176 }
 177
 178 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
 179                       u32 len32)
 180 {
 181         struct dmae_command *dmae = &bp->init_dmae;
 182         u32 *wb_comp = bnx2x_sp(bp, wb_comp);
 183         int cnt = 200;
 184
 185         if (!bp->dmae_ready) {
 186                 u32 *data = bnx2x_sp(bp, wb_data[0]);
 187
 188                 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x  len32 %d)"
 189                    "  using indirect\n", dst_addr, len32);
 190                 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
 191                 return;
 192         }
 193
 194         mutex_lock(&bp->dmae_mutex);
 195
 196         memset(dmae, 0, sizeof(struct dmae_command));
 197
 198         dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
 199                         DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
 200                         DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
 201 #ifdef __BIG_ENDIAN
 202                         DMAE_CMD_ENDIANITY_B_DW_SWAP |
 203 #else
 204                         DMAE_CMD_ENDIANITY_DW_SWAP |
 205 #endif
 206                         (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
 207                         (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
 208         dmae->src_addr_lo = U64_LO(dma_addr);
 209         dmae->src_addr_hi = U64_HI(dma_addr);
 210         dmae->dst_addr_lo = dst_addr >> 2;
 211         dmae->dst_addr_hi = 0;
 212         dmae->len = len32;
 213         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
 214         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
 215         dmae->comp_val = DMAE_COMP_VAL;
 216
 217         DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
 218            DP_LEVEL "src_addr  [%x:%08x]  len [%d *4]  "
 219                     "dst_addr [%x:%08x (%08x)]\n"
 220            DP_LEVEL "comp_addr [%x:%08x]  comp_val 0x%08x\n",
 221            dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
 222            dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
 223            dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
 224         DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
 225            bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
 226            bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
 227
 228         *wb_comp = 0;
 229
 230         bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
 231
 232         udelay(5);
 233
 234         while (*wb_comp != DMAE_COMP_VAL) {
 235                 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
 236
 237                 if (!cnt) {
 238                         BNX2X_ERR("dmae timeout!\n");
 239                         break;
 240                 }
 241                 cnt--;
 242                 /* adjust delay for emulation/FPGA */
 243                 if (CHIP_REV_IS_SLOW(bp))
 244                         msleep(100);
 245                 else
 246                         udelay(5);
 247         }
 248
 249         mutex_unlock(&bp->dmae_mutex);
 250 }
 251
 252 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
 253 {
 254         struct dmae_command *dmae = &bp->init_dmae;
 255         u32 *wb_comp = bnx2x_sp(bp, wb_comp);
 256         int cnt = 200;
 257
 258         if (!bp->dmae_ready) {
 259                 u32 *data = bnx2x_sp(bp, wb_data[0]);
 260                 int i;
 261
 262                 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x  len32 %d)"
 263                    "  using indirect\n", src_addr, len32);
 264                 for (i = 0; i < len32; i++)
 265                         data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
 266                 return;
 267         }
 268
 269         mutex_lock(&bp->dmae_mutex);
 270
 271         memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
 272         memset(dmae, 0, sizeof(struct dmae_command));
 273
 274         dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
 275                         DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
 276                         DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
 277 #ifdef __BIG_ENDIAN
 278                         DMAE_CMD_ENDIANITY_B_DW_SWAP |
 279 #else
 280                         DMAE_CMD_ENDIANITY_DW_SWAP |
 281 #endif
 282                         (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
 283                         (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
 284         dmae->src_addr_lo = src_addr >> 2;
 285         dmae->src_addr_hi = 0;
 286         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
 287         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
 288         dmae->len = len32;
 289         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
 290         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
 291         dmae->comp_val = DMAE_COMP_VAL;
 292
 293         DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
 294            DP_LEVEL "src_addr  [%x:%08x]  len [%d *4]  "
 295                     "dst_addr [%x:%08x (%08x)]\n"
 296            DP_LEVEL "comp_addr [%x:%08x]  comp_val 0x%08x\n",
 297            dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
 298            dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
 299            dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
 300
 301         *wb_comp = 0;
 302
 303         bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
 304
 305         udelay(5);
 306
 307         while (*wb_comp != DMAE_COMP_VAL) {
 308
 309                 if (!cnt) {
 310                         BNX2X_ERR("dmae timeout!\n");
 311                         break;
 312                 }
 313                 cnt--;
 314                 /* adjust delay for emulation/FPGA */
 315                 if (CHIP_REV_IS_SLOW(bp))
 316                         msleep(100);
 317                 else
 318                         udelay(5);
 319         }
 320         DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
 321            bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
 322            bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
 323
 324         mutex_unlock(&bp->dmae_mutex);
 325 }
 326
 327 /* used only for slowpath so not inlined */
 328 static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
 329 {
 330         u32 wb_write[2];
 331
 332         wb_write[0] = val_hi;
 333         wb_write[1] = val_lo;
 334         REG_WR_DMAE(bp, reg, wb_write, 2);
 335 }
 336
 337 #ifdef USE_WB_RD
 338 static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
 339 {
 340         u32 wb_data[2];
 341
 342         REG_RD_DMAE(bp, reg, wb_data, 2);
 343
 344         return HILO_U64(wb_data[0], wb_data[1]);
 345 }
 346 #endif
 347
 348 static int bnx2x_mc_assert(struct bnx2x *bp)
 349 {
 350         char last_idx;
 351         int i, rc = 0;
 352         u32 row0, row1, row2, row3;
 353
 354         /* XSTORM */
 355         last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
 356                            XSTORM_ASSERT_LIST_INDEX_OFFSET);
 357         if (last_idx)
 358                 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
 359
 360         /* print the asserts */
 361         for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
 362
 363                 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
 364                               XSTORM_ASSERT_LIST_OFFSET(i));
 365                 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
 366                               XSTORM_ASSERT_LIST_OFFSET(i) + 4);
 367                 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
 368                               XSTORM_ASSERT_LIST_OFFSET(i) + 8);
 369                 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
 370                               XSTORM_ASSERT_LIST_OFFSET(i) + 12);
 371
 372                 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
 373                         BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
 374                                   " 0x%08x 0x%08x 0x%08x\n",
 375                                   i, row3, row2, row1, row0);
 376                         rc++;
 377                 } else {
 378                         break;
 379                 }
 380         }
 381
 382         /* TSTORM */
 383         last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
 384                            TSTORM_ASSERT_LIST_INDEX_OFFSET);
 385         if (last_idx)
 386                 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
 387
 388         /* print the asserts */
 389         for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
 390
 391                 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
 392                               TSTORM_ASSERT_LIST_OFFSET(i));
 393                 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
 394                               TSTORM_ASSERT_LIST_OFFSET(i) + 4);
 395                 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
 396                               TSTORM_ASSERT_LIST_OFFSET(i) + 8);
 397                 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
 398                               TSTORM_ASSERT_LIST_OFFSET(i) + 12);
 399
 400                 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
 401                         BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
 402                                   " 0x%08x 0x%08x 0x%08x\n",
 403                                   i, row3, row2, row1, row0);
 404                         rc++;
 405                 } else {
 406                         break;
 407                 }
 408         }
 409
 410         /* CSTORM */
 411         last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
 412                            CSTORM_ASSERT_LIST_INDEX_OFFSET);
 413         if (last_idx)
 414                 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
 415
 416         /* print the asserts */
 417         for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
 418
 419                 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
 420                               CSTORM_ASSERT_LIST_OFFSET(i));
 421                 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
 422                               CSTORM_ASSERT_LIST_OFFSET(i) + 4);
 423                 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
 424                               CSTORM_ASSERT_LIST_OFFSET(i) + 8);
 425                 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
 426                               CSTORM_ASSERT_LIST_OFFSET(i) + 12);
 427
 428                 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
 429                         BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
 430                                   " 0x%08x 0x%08x 0x%08x\n",
 431                                   i, row3, row2, row1, row0);
 432                         rc++;
 433                 } else {
 434                         break;
 435                 }
 436         }
 437
 438         /* USTORM */
 439         last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
 440                            USTORM_ASSERT_LIST_INDEX_OFFSET);
 441         if (last_idx)
 442                 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
 443
 444         /* print the asserts */
 445         for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
 446
 447                 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
 448                               USTORM_ASSERT_LIST_OFFSET(i));
 449                 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
 450                               USTORM_ASSERT_LIST_OFFSET(i) + 4);
 451                 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
 452                               USTORM_ASSERT_LIST_OFFSET(i) + 8);
 453                 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
 454                               USTORM_ASSERT_LIST_OFFSET(i) + 12);
 455
 456                 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
 457                         BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
 458                                   " 0x%08x 0x%08x 0x%08x\n",
 459                                   i, row3, row2, row1, row0);
 460                         rc++;
 461                 } else {
 462                         break;
 463                 }
 464         }
 465
 466         return rc;
 467 }
 468
 469 static void bnx2x_fw_dump(struct bnx2x *bp)
 470 {
 471         u32 mark, offset;
 472         u32 data[9];
 473         int word;
 474
 475         mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
 476         mark = ((mark + 0x3) & ~0x3);
 477         printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
 478
 479         for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
 480                 for (word = 0; word < 8; word++)
 481                         data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
 482                                                   offset + 4*word));
 483                 data[8] = 0x0;
 484                 printk(KERN_CONT "%s", (char *)data);
 485         }
 486         for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
 487                 for (word = 0; word < 8; word++)
 488                         data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
 489                                                   offset + 4*word));
 490                 data[8] = 0x0;
 491                 printk(KERN_CONT "%s", (char *)data);
 492         }
 493         printk("\n" KERN_ERR PFX "end of fw dump\n");
 494 }
 495
 496 static void bnx2x_panic_dump(struct bnx2x *bp)
 497 {
 498         int i;
 499         u16 j, start, end;
 500
 501         bp->stats_state = STATS_STATE_DISABLED;
 502         DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
 503
 504         BNX2X_ERR("begin crash dump -----------------\n");
 505
 506         for_each_queue(bp, i) {
 507                 struct bnx2x_fastpath *fp = &bp->fp[i];
 508                 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
 509
 510                 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x)  tx_pkt_cons(%x)"
 511                           "  tx_bd_prod(%x)  tx_bd_cons(%x)  *tx_cons_sb(%x)\n",
 512                           i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
 513                           fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
 514                 BNX2X_ERR("          rx_bd_prod(%x)  rx_bd_cons(%x)"
 515                           "  *rx_bd_cons_sb(%x)  rx_comp_prod(%x)"
 516                           "  rx_comp_cons(%x)  *rx_cons_sb(%x)\n",
 517                           fp->rx_bd_prod, fp->rx_bd_cons,
 518                           le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
 519                           fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
 520                 BNX2X_ERR("          rx_sge_prod(%x)  last_max_sge(%x)"
 521                           "  fp_c_idx(%x)  *sb_c_idx(%x)  fp_u_idx(%x)"
 522                           "  *sb_u_idx(%x)  bd data(%x,%x)\n",
 523                           fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
 524                           fp->status_blk->c_status_block.status_block_index,
 525                           fp->fp_u_idx,
 526                           fp->status_blk->u_status_block.status_block_index,
 527                           hw_prods->packets_prod, hw_prods->bds_prod);
 528
 529                 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
 530                 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
 531                 for (j = start; j < end; j++) {
 532                         struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
 533
 534                         BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
 535                                   sw_bd->skb, sw_bd->first_bd);
 536                 }
 537
 538                 start = TX_BD(fp->tx_bd_cons - 10);
 539                 end = TX_BD(fp->tx_bd_cons + 254);
 540                 for (j = start; j < end; j++) {
 541                         u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
 542
 543                         BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
 544                                   j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
 545                 }
 546
 547                 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
 548                 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
 549                 for (j = start; j < end; j++) {
 550                         u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
 551                         struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
 552
 553                         BNX2X_ERR("rx_bd[%x]=[%x:%x]  sw_bd=[%p]\n",
 554                                   j, rx_bd[1], rx_bd[0], sw_bd->skb);
 555                 }
 556
 557                 start = RX_SGE(fp->rx_sge_prod);
 558                 end = RX_SGE(fp->last_max_sge);
 559                 for (j = start; j < end; j++) {
 560                         u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
 561                         struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
 562
 563                         BNX2X_ERR("rx_sge[%x]=[%x:%x]  sw_page=[%p]\n",
 564                                   j, rx_sge[1], rx_sge[0], sw_page->page);
 565                 }
 566
 567                 start = RCQ_BD(fp->rx_comp_cons - 10);
 568                 end = RCQ_BD(fp->rx_comp_cons + 503);
 569                 for (j = start; j < end; j++) {
 570                         u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
 571
 572                         BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
 573                                   j, cqe[0], cqe[1], cqe[2], cqe[3]);
 574                 }
 575         }
 576
 577         BNX2X_ERR("def_c_idx(%u)  def_u_idx(%u)  def_x_idx(%u)"
 578                   "  def_t_idx(%u)  def_att_idx(%u)  attn_state(%u)"
 579                   "  spq_prod_idx(%u)\n",
 580                   bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
 581                   bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
 582
 583         bnx2x_fw_dump(bp);
 584         bnx2x_mc_assert(bp);
 585         BNX2X_ERR("end crash dump -----------------\n");
 586 }
 587
 588 static void bnx2x_int_enable(struct bnx2x *bp)
 589 {
 590         int port = BP_PORT(bp);
 591         u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
 592         u32 val = REG_RD(bp, addr);
 593         int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
 594
 595         if (msix) {
 596                 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
 597                 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
 598                         HC_CONFIG_0_REG_ATTN_BIT_EN_0);
 599         } else {
 600                 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
 601                         HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
 602                         HC_CONFIG_0_REG_INT_LINE_EN_0 |
 603                         HC_CONFIG_0_REG_ATTN_BIT_EN_0);
 604
 605                 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)  MSI-X %d\n",
 606                    val, port, addr, msix);
 607
 608                 REG_WR(bp, addr, val);
 609
 610                 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
 611         }
 612
 613         DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)  MSI-X %d\n",
 614            val, port, addr, msix);
 615
 616         REG_WR(bp, addr, val);
 617
 618         if (CHIP_IS_E1H(bp)) {
 619                 /* init leading/trailing edge */
 620                 if (IS_E1HMF(bp)) {
 621                         val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
 622                         if (bp->port.pmf)
 623                                 /* enable nig attention */
 624                                 val |= 0x0100;
 625                 } else
 626                         val = 0xffff;
 627
 628                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
 629                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
 630         }
 631 }
 632
 633 static void bnx2x_int_disable(struct bnx2x *bp)
 634 {
 635         int port = BP_PORT(bp);
 636         u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
 637         u32 val = REG_RD(bp, addr);
 638
 639         val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
 640                  HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
 641                  HC_CONFIG_0_REG_INT_LINE_EN_0 |
 642                  HC_CONFIG_0_REG_ATTN_BIT_EN_0);
 643
 644         DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
 645            val, port, addr);
 646
 647         REG_WR(bp, addr, val);
 648         if (REG_RD(bp, addr) != val)
 649                 BNX2X_ERR("BUG! proper val not read from IGU!\n");
 650 }
 651
 652 static void bnx2x_int_disable_sync(struct bnx2x *bp)
 653 {
 654         int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
 655         int i;
 656
 657         /* disable interrupt handling */
 658         atomic_inc(&bp->intr_sem);
 659         /* prevent the HW from sending interrupts */
 660         bnx2x_int_disable(bp);
 661
 662         /* make sure all ISRs are done */
 663         if (msix) {
 664                 for_each_queue(bp, i)
 665                         synchronize_irq(bp->msix_table[i].vector);
 666
 667                 /* one more for the Slow Path IRQ */
 668                 synchronize_irq(bp->msix_table[i].vector);
 669         } else
 670                 synchronize_irq(bp->pdev->irq);
 671
 672         /* make sure sp_task is not running */
 673         cancel_work_sync(&bp->sp_task);
 674 }
 675
 676 /* fast path */
 677
 678 /*
 679  * General service functions
 680  */
 681
 682 static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
 683                                 u8 storm, u16 index, u8 op, u8 update)
 684 {
 685         u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
 686                        COMMAND_REG_INT_ACK);
 687         struct igu_ack_register igu_ack;
 688
 689         igu_ack.status_block_index = index;
 690         igu_ack.sb_id_and_flags =
 691                         ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
 692                          (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
 693                          (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
 694                          (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
 695
 696         DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
 697            (*(u32 *)&igu_ack), hc_addr);
 698         REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
 699 }
 700
 701 static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
 702 {
 703         struct host_status_block *fpsb = fp->status_blk;
 704         u16 rc = 0;
 705
 706         barrier(); /* status block is written to by the chip */
 707         if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
 708                 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
 709                 rc |= 1;
 710         }
 711         if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
 712                 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
 713                 rc |= 2;
 714         }
 715         return rc;
 716 }
 717
 718 static u16 bnx2x_ack_int(struct bnx2x *bp)
 719 {
 720         u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
 721                        COMMAND_REG_SIMD_MASK);
 722         u32 result = REG_RD(bp, hc_addr);
 723
 724         DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
 725            result, hc_addr);
 726
 727         return result;
 728 }
 729
 730
 731 /*
 732  * fast path service functions
 733  */
 734
 735 /* free skb in the packet ring at pos idx
 736  * return idx of last bd freed
 737  */
 738 static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 739                              u16 idx)
 740 {
 741         struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
 742         struct eth_tx_bd *tx_bd;
 743         struct sk_buff *skb = tx_buf->skb;
 744         u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
 745         int nbd;
 746
 747         DP(BNX2X_MSG_OFF, "pkt_idx %d  buff @(%p)->skb %p\n",
 748            idx, tx_buf, skb);
 749
 750         /* unmap first bd */
 751         DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
 752         tx_bd = &fp->tx_desc_ring[bd_idx];
 753         pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
 754                          BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
 755
 756         nbd = le16_to_cpu(tx_bd->nbd) - 1;
 757         new_cons = nbd + tx_buf->first_bd;
 758 #ifdef BNX2X_STOP_ON_ERROR
 759         if (nbd > (MAX_SKB_FRAGS + 2)) {
 760                 BNX2X_ERR("BAD nbd!\n");
 761                 bnx2x_panic();
 762         }
 763 #endif
 764
 765         /* Skip a parse bd and the TSO split header bd
 766            since they have no mapping */
 767         if (nbd)
 768                 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
 769
 770         if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
 771                                            ETH_TX_BD_FLAGS_TCP_CSUM |
 772                                            ETH_TX_BD_FLAGS_SW_LSO)) {
 773                 if (--nbd)
 774                         bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
 775                 tx_bd = &fp->tx_desc_ring[bd_idx];
 776                 /* is this a TSO split header bd? */
 777                 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
 778                         if (--nbd)
 779                                 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
 780                 }
 781         }
 782
 783         /* now free frags */
 784         while (nbd > 0) {
 785
 786                 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
 787                 tx_bd = &fp->tx_desc_ring[bd_idx];
 788                 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
 789                                BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
 790                 if (--nbd)
 791                         bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
 792         }
 793
 794         /* release skb */
 795         WARN_ON(!skb);
 796         dev_kfree_skb(skb);
 797         tx_buf->first_bd = 0;
 798         tx_buf->skb = NULL;
 799
 800         return new_cons;
 801 }
 802
 803 static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
 804 {
 805         s16 used;
 806         u16 prod;
 807         u16 cons;
 808
 809         barrier(); /* Tell compiler that prod and cons can change */
 810         prod = fp->tx_bd_prod;
 811         cons = fp->tx_bd_cons;
 812
 813         /* NUM_TX_RINGS = number of "next-page" entries
 814            It will be used as a threshold */
 815         used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
 816
 817 #ifdef BNX2X_STOP_ON_ERROR
 818         WARN_ON(used < 0);
 819         WARN_ON(used > fp->bp->tx_ring_size);
 820         WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
 821 #endif
 822
 823         return (s16)(fp->bp->tx_ring_size) - used;
 824 }
 825
 826 static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
 827 {
 828         struct bnx2x *bp = fp->bp;
 829         u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
 830         int done = 0;
 831
 832 #ifdef BNX2X_STOP_ON_ERROR
 833         if (unlikely(bp->panic))
 834                 return;
 835 #endif
 836
 837         hw_cons = le16_to_cpu(*fp->tx_cons_sb);
 838         sw_cons = fp->tx_pkt_cons;
 839
 840         while (sw_cons != hw_cons) {
 841                 u16 pkt_cons;
 842
 843                 pkt_cons = TX_BD(sw_cons);
 844
 845                 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
 846
 847                 DP(NETIF_MSG_TX_DONE, "hw_cons %u  sw_cons %u  pkt_cons %u\n",
 848                    hw_cons, sw_cons, pkt_cons);
 849
 850 /*              if (NEXT_TX_IDX(sw_cons) != hw_cons) {
 851                         rmb();
 852                         prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
 853                 }
 854 */
 855                 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
 856                 sw_cons++;
 857                 done++;
 858
 859                 if (done == work)
 860                         break;
 861         }
 862
 863         fp->tx_pkt_cons = sw_cons;
 864         fp->tx_bd_cons = bd_cons;
 865
 866         /* Need to make the tx_cons update visible to start_xmit()
 867          * before checking for netif_queue_stopped().  Without the
 868          * memory barrier, there is a small possibility that start_xmit()
 869          * will miss it and cause the queue to be stopped forever.
 870          */
 871         smp_mb();
 872
 873         /* TBD need a thresh? */
 874         if (unlikely(netif_queue_stopped(bp->dev))) {
 875
 876                 netif_tx_lock(bp->dev);
 877
 878                 if (netif_queue_stopped(bp->dev) &&
 879                     (bp->state == BNX2X_STATE_OPEN) &&
 880                     (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
 881                         netif_wake_queue(bp->dev);
 882
 883                 netif_tx_unlock(bp->dev);
 884         }
 885 }
 886
 887
 888 static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
 889                            union eth_rx_cqe *rr_cqe)
 890 {
 891         struct bnx2x *bp = fp->bp;
 892         int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
 893         int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
 894
 895         DP(BNX2X_MSG_SP,
 896            "fp %d  cid %d  got ramrod #%d  state is %x  type is %d\n",
 897            FP_IDX(fp), cid, command, bp->state,
 898            rr_cqe->ramrod_cqe.ramrod_type);
 899
 900         bp->spq_left++;
 901
 902         if (FP_IDX(fp)) {
 903                 switch (command | fp->state) {
 904                 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
 905                                                 BNX2X_FP_STATE_OPENING):
 906                         DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
 907                            cid);
 908                         fp->state = BNX2X_FP_STATE_OPEN;
 909                         break;
 910
 911                 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
 912                         DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
 913                            cid);
 914                         fp->state = BNX2X_FP_STATE_HALTED;
 915                         break;
 916
 917                 default:
 918                         BNX2X_ERR("unexpected MC reply (%d)  "
 919                                   "fp->state is %x\n", command, fp->state);
 920                         break;
 921                 }
 922                 mb(); /* force bnx2x_wait_ramrod() to see the change */
 923                 return;
 924         }
 925
 926         switch (command | bp->state) {
 927         case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
 928                 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
 929                 bp->state = BNX2X_STATE_OPEN;
 930                 break;
 931
 932         case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
 933                 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
 934                 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
 935                 fp->state = BNX2X_FP_STATE_HALTED;
 936                 break;
 937
 938         case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
 939                 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
 940                 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
 941                 break;
 942
 943
 944         case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
 945         case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
 946                 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
 947                 bp->set_mac_pending = 0;
 948                 break;
 949
 950         case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
 951                 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
 952                 break;
 953
 954         default:
 955                 BNX2X_ERR("unexpected MC reply (%d)  bp->state is %x\n",
 956                           command, bp->state);
 957                 break;
 958         }
 959         mb(); /* force bnx2x_wait_ramrod() to see the change */
 960 }
 961
 962 static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
 963                                      struct bnx2x_fastpath *fp, u16 index)
 964 {
 965         struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
 966         struct page *page = sw_buf->page;
 967         struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
 968
 969         /* Skip "next page" elements */
 970         if (!page)
 971                 return;
 972
 973         pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
 974                        BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
 975         __free_pages(page, PAGES_PER_SGE_SHIFT);
 976
 977         sw_buf->page = NULL;
 978         sge->addr_hi = 0;
 979         sge->addr_lo = 0;
 980 }
 981
 982 static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
 983                                            struct bnx2x_fastpath *fp, int last)
 984 {
 985         int i;
 986
 987         for (i = 0; i < last; i++)
 988                 bnx2x_free_rx_sge(bp, fp, i);
 989 }
 990
 991 static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
 992                                      struct bnx2x_fastpath *fp, u16 index)
 993 {
 994         struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
 995         struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
 996         struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
 997         dma_addr_t mapping;
 998
 999         if (unlikely(page == NULL))
1000                 return -ENOMEM;
1001
1002         mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1003                                PCI_DMA_FROMDEVICE);
1004         if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1005                 __free_pages(page, PAGES_PER_SGE_SHIFT);
1006                 return -ENOMEM;
1007         }
1008
1009         sw_buf->page = page;
1010         pci_unmap_addr_set(sw_buf, mapping, mapping);
1011
1012         sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1013         sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1014
1015         return 0;
1016 }
1017
1018 static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1019                                      struct bnx2x_fastpath *fp, u16 index)
1020 {
1021         struct sk_buff *skb;
1022         struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1023         struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1024         dma_addr_t mapping;
1025
1026         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1027         if (unlikely(skb == NULL))
1028                 return -ENOMEM;
1029
1030         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1031                                  PCI_DMA_FROMDEVICE);
1032         if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1033                 dev_kfree_skb(skb);
1034                 return -ENOMEM;
1035         }
1036
1037         rx_buf->skb = skb;
1038         pci_unmap_addr_set(rx_buf, mapping, mapping);
1039
1040         rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1041         rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1042
1043         return 0;
1044 }
1045
1046 /* note that we are not allocating a new skb,
1047  * we are just moving one from cons to prod
1048  * we are not creating a new mapping,
1049  * so there is no need to check for dma_mapping_error().
1050  */
1051 static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1052                                struct sk_buff *skb, u16 cons, u16 prod)
1053 {
1054         struct bnx2x *bp = fp->bp;
1055         struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1056         struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1057         struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1058         struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1059
1060         pci_dma_sync_single_for_device(bp->pdev,
1061                                        pci_unmap_addr(cons_rx_buf, mapping),
1062                                        bp->rx_offset + RX_COPY_THRESH,
1063                                        PCI_DMA_FROMDEVICE);
1064
1065         prod_rx_buf->skb = cons_rx_buf->skb;
1066         pci_unmap_addr_set(prod_rx_buf, mapping,
1067                            pci_unmap_addr(cons_rx_buf, mapping));
1068         *prod_bd = *cons_bd;
1069 }
1070
1071 static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1072                                              u16 idx)
1073 {
1074         u16 last_max = fp->last_max_sge;
1075
1076         if (SUB_S16(idx, last_max) > 0)
1077                 fp->last_max_sge = idx;
1078 }
1079
1080 static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1081 {
1082         int i, j;
1083
1084         for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1085                 int idx = RX_SGE_CNT * i - 1;
1086
1087                 for (j = 0; j < 2; j++) {
1088                         SGE_MASK_CLEAR_BIT(fp, idx);
1089                         idx--;
1090                 }
1091         }
1092 }
1093
1094 static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1095                                   struct eth_fast_path_rx_cqe *fp_cqe)
1096 {
1097         struct bnx2x *bp = fp->bp;
1098         u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1099                                      le16_to_cpu(fp_cqe->len_on_bd)) >>
1100                       BCM_PAGE_SHIFT;
1101         u16 last_max, last_elem, first_elem;
1102         u16 delta = 0;
1103         u16 i;
1104
1105         if (!sge_len)
1106                 return;
1107
1108         /* First mark all used pages */
1109         for (i = 0; i < sge_len; i++)
1110                 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1111
1112         DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1113            sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1114
1115         /* Here we assume that the last SGE index is the biggest */
1116         prefetch((void *)(fp->sge_mask));
1117         bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1118
1119         last_max = RX_SGE(fp->last_max_sge);
1120         last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1121         first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1122
1123         /* If ring is not full */
1124         if (last_elem + 1 != first_elem)
1125                 last_elem++;
1126
1127         /* Now update the prod */
1128         for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1129                 if (likely(fp->sge_mask[i]))
1130                         break;
1131
1132                 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1133                 delta += RX_SGE_MASK_ELEM_SZ;
1134         }
1135
1136         if (delta > 0) {
1137                 fp->rx_sge_prod += delta;
1138                 /* clear page-end entries */
1139                 bnx2x_clear_sge_mask_next_elems(fp);
1140         }
1141
1142         DP(NETIF_MSG_RX_STATUS,
1143            "fp->last_max_sge = %d  fp->rx_sge_prod = %d\n",
1144            fp->last_max_sge, fp->rx_sge_prod);
1145 }
1146
1147 static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1148 {
1149         /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1150         memset(fp->sge_mask, 0xff,
1151                (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1152
1153         /* Clear the two last indices in the page to 1:
1154            these are the indices that correspond to the "next" element,
1155            hence will never be indicated and should be removed from
1156            the calculations. */
1157         bnx2x_clear_sge_mask_next_elems(fp);
1158 }
1159
1160 static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1161                             struct sk_buff *skb, u16 cons, u16 prod)
1162 {
1163         struct bnx2x *bp = fp->bp;
1164         struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1165         struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1166         struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1167         dma_addr_t mapping;
1168
1169         /* move empty skb from pool to prod and map it */
1170         prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1171         mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1172                                  bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1173         pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1174
1175         /* move partial skb from cons to pool (don't unmap yet) */
1176         fp->tpa_pool[queue] = *cons_rx_buf;
1177
1178         /* mark bin state as start - print error if current state != stop */
1179         if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1180                 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1181
1182         fp->tpa_state[queue] = BNX2X_TPA_START;
1183
1184         /* point prod_bd to new skb */
1185         prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1186         prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1187
1188 #ifdef BNX2X_STOP_ON_ERROR
1189         fp->tpa_queue_used |= (1 << queue);
1190 #ifdef __powerpc64__
1191         DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1192 #else
1193         DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1194 #endif
1195            fp->tpa_queue_used);
1196 #endif
1197 }
1198
1199 static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1200                                struct sk_buff *skb,
1201                                struct eth_fast_path_rx_cqe *fp_cqe,
1202                                u16 cqe_idx)
1203 {
1204         struct sw_rx_page *rx_pg, old_rx_pg;
1205         struct page *sge;
1206         u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1207         u32 i, frag_len, frag_size, pages;
1208         int err;
1209         int j;
1210
1211         frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1212         pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1213
1214         /* This is needed in order to enable forwarding support */
1215         if (frag_size)
1216                 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1217                                                max(frag_size, (u32)len_on_bd));
1218
1219 #ifdef BNX2X_STOP_ON_ERROR
1220         if (pages > 8*PAGES_PER_SGE) {
1221                 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1222                           pages, cqe_idx);
1223                 BNX2X_ERR("fp_cqe->pkt_len = %d  fp_cqe->len_on_bd = %d\n",
1224                           fp_cqe->pkt_len, len_on_bd);
1225                 bnx2x_panic();
1226                 return -EINVAL;
1227         }
1228 #endif
1229
1230         /* Run through the SGL and compose the fragmented skb */
1231         for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1232                 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1233
1234                 /* FW gives the indices of the SGE as if the ring is an array
1235                    (meaning that "next" element will consume 2 indices) */
1236                 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1237                 rx_pg = &fp->rx_page_ring[sge_idx];
1238                 sge = rx_pg->page;
1239                 old_rx_pg = *rx_pg;
1240
1241                 /* If we fail to allocate a substitute page, we simply stop
1242                    where we are and drop the whole packet */
1243                 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1244                 if (unlikely(err)) {
1245                         bp->eth_stats.rx_skb_alloc_failed++;
1246                         return err;
1247                 }
1248
1249                 /* Unmap the page as we r going to pass it to the stack */
1250                 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1251                               BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1252
1253                 /* Add one frag and update the appropriate fields in the skb */
1254                 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1255
1256                 skb->data_len += frag_len;
1257                 skb->truesize += frag_len;
1258                 skb->len += frag_len;
1259
1260                 frag_size -= frag_len;
1261         }
1262
1263         return 0;
1264 }
1265
1266 static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1267                            u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1268                            u16 cqe_idx)
1269 {
1270         struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1271         struct sk_buff *skb = rx_buf->skb;
1272         /* alloc new skb */
1273         struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1274
1275         /* Unmap skb in the pool anyway, as we are going to change
1276            pool entry status to BNX2X_TPA_STOP even if new skb allocation
1277            fails. */
1278         pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1279                          bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1280
1281         if (likely(new_skb)) {
1282                 /* fix ip xsum and give it to the stack */
1283                 /* (no need to map the new skb) */
1284
1285                 prefetch(skb);
1286                 prefetch(((char *)(skb)) + 128);
1287
1288 #ifdef BNX2X_STOP_ON_ERROR
1289                 if (pad + len > bp->rx_buf_size) {
1290                         BNX2X_ERR("skb_put is about to fail...  "
1291                                   "pad %d  len %d  rx_buf_size %d\n",
1292                                   pad, len, bp->rx_buf_size);
1293                         bnx2x_panic();
1294                         return;
1295                 }
1296 #endif
1297
1298                 skb_reserve(skb, pad);
1299                 skb_put(skb, len);
1300
1301                 skb->protocol = eth_type_trans(skb, bp->dev);
1302                 skb->ip_summed = CHECKSUM_UNNECESSARY;
1303
1304                 {
1305                         struct iphdr *iph;
1306
1307                         iph = (struct iphdr *)skb->data;
1308                         iph->check = 0;
1309                         iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1310                 }
1311
1312                 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1313                                          &cqe->fast_path_cqe, cqe_idx)) {
1314 #ifdef BCM_VLAN
1315                         if ((bp->vlgrp != NULL) &&
1316                             (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1317                              PARSING_FLAGS_VLAN))
1318                                 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1319                                                 le16_to_cpu(cqe->fast_path_cqe.
1320                                                             vlan_tag));
1321                         else
1322 #endif
1323                                 netif_receive_skb(skb);
1324                 } else {
1325                         DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1326                            " - dropping packet!\n");
1327                         dev_kfree_skb(skb);
1328                 }
1329
1330                 bp->dev->last_rx = jiffies;
1331
1332                 /* put new skb in bin */
1333                 fp->tpa_pool[queue].skb = new_skb;
1334
1335         } else {
1336                 /* else drop the packet and keep the buffer in the bin */
1337                 DP(NETIF_MSG_RX_STATUS,
1338                    "Failed to allocate new skb - dropping packet!\n");
1339                 bp->eth_stats.rx_skb_alloc_failed++;
1340         }
1341
1342         fp->tpa_state[queue] = BNX2X_TPA_STOP;
1343 }
1344
1345 static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1346                                         struct bnx2x_fastpath *fp,
1347                                         u16 bd_prod, u16 rx_comp_prod,
1348                                         u16 rx_sge_prod)
1349 {
1350         struct tstorm_eth_rx_producers rx_prods = {0};
1351         int i;
1352
1353         /* Update producers */
1354         rx_prods.bd_prod = bd_prod;
1355         rx_prods.cqe_prod = rx_comp_prod;
1356         rx_prods.sge_prod = rx_sge_prod;
1357
1358         for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1359                 REG_WR(bp, BAR_TSTRORM_INTMEM +
1360                        TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1361                        ((u32 *)&rx_prods)[i]);
1362
1363         DP(NETIF_MSG_RX_STATUS,
1364            "Wrote: bd_prod %u  cqe_prod %u  sge_prod %u\n",
1365            bd_prod, rx_comp_prod, rx_sge_prod);
1366 }
1367
1368 static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1369 {
1370         struct bnx2x *bp = fp->bp;
1371         u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
1372         u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1373         int rx_pkt = 0;
1374
1375 #ifdef BNX2X_STOP_ON_ERROR
1376         if (unlikely(bp->panic))
1377                 return 0;
1378 #endif
1379
1380         /* CQ "next element" is of the size of the regular element,
1381            that's why it's ok here */
1382         hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1383         if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1384                 hw_comp_cons++;
1385
1386         bd_cons = fp->rx_bd_cons;
1387         bd_prod = fp->rx_bd_prod;
1388         bd_prod_fw = bd_prod;
1389         sw_comp_cons = fp->rx_comp_cons;
1390         sw_comp_prod = fp->rx_comp_prod;
1391
1392         /* Memory barrier necessary as speculative reads of the rx
1393          * buffer can be ahead of the index in the status block
1394          */
1395         rmb();
1396
1397         DP(NETIF_MSG_RX_STATUS,
1398            "queue[%d]:  hw_comp_cons %u  sw_comp_cons %u\n",
1399            FP_IDX(fp), hw_comp_cons, sw_comp_cons);
1400
1401         while (sw_comp_cons != hw_comp_cons) {
1402                 struct sw_rx_bd *rx_buf = NULL;
1403                 struct sk_buff *skb;
1404                 union eth_rx_cqe *cqe;
1405                 u8 cqe_fp_flags;
1406                 u16 len, pad;
1407
1408                 comp_ring_cons = RCQ_BD(sw_comp_cons);
1409                 bd_prod = RX_BD(bd_prod);
1410                 bd_cons = RX_BD(bd_cons);
1411
1412                 cqe = &fp->rx_comp_ring[comp_ring_cons];
1413                 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1414
1415                 DP(NETIF_MSG_RX_STATUS, "CQE type %x  err %x  status %x"
1416                    "  queue %x  vlan %x  len %u\n", CQE_TYPE(cqe_fp_flags),
1417                    cqe_fp_flags, cqe->fast_path_cqe.status_flags,
1418                    cqe->fast_path_cqe.rss_hash_result,
1419                    le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1420                    le16_to_cpu(cqe->fast_path_cqe.pkt_len));
1421
1422                 /* is this a slowpath msg? */
1423                 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
1424                         bnx2x_sp_event(fp, cqe);
1425                         goto next_cqe;
1426
1427                 /* this is an rx packet */
1428                 } else {
1429                         rx_buf = &fp->rx_buf_ring[bd_cons];
1430                         skb = rx_buf->skb;
1431                         len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1432                         pad = cqe->fast_path_cqe.placement_offset;
1433
1434                         /* If CQE is marked both TPA_START and TPA_END
1435                            it is a non-TPA CQE */
1436                         if ((!fp->disable_tpa) &&
1437                             (TPA_TYPE(cqe_fp_flags) !=
1438                                         (TPA_TYPE_START | TPA_TYPE_END))) {
1439                                 u16 queue = cqe->fast_path_cqe.queue_index;
1440
1441                                 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1442                                         DP(NETIF_MSG_RX_STATUS,
1443                                            "calling tpa_start on queue %d\n",
1444                                            queue);
1445
1446                                         bnx2x_tpa_start(fp, queue, skb,
1447                                                         bd_cons, bd_prod);
1448                                         goto next_rx;
1449                                 }
1450
1451                                 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1452                                         DP(NETIF_MSG_RX_STATUS,
1453                                            "calling tpa_stop on queue %d\n",
1454                                            queue);
1455
1456                                         if (!BNX2X_RX_SUM_FIX(cqe))
1457                                                 BNX2X_ERR("STOP on none TCP "
1458                                                           "data\n");
1459
1460                                         /* This is a size of the linear data
1461                                            on this skb */
1462                                         len = le16_to_cpu(cqe->fast_path_cqe.
1463                                                                 len_on_bd);
1464                                         bnx2x_tpa_stop(bp, fp, queue, pad,
1465                                                     len, cqe, comp_ring_cons);
1466 #ifdef BNX2X_STOP_ON_ERROR
1467                                         if (bp->panic)
1468                                                 return -EINVAL;
1469 #endif
1470
1471                                         bnx2x_update_sge_prod(fp,
1472                                                         &cqe->fast_path_cqe);
1473                                         goto next_cqe;
1474                                 }
1475                         }
1476
1477                         pci_dma_sync_single_for_device(bp->pdev,
1478                                         pci_unmap_addr(rx_buf, mapping),
1479                                                        pad + RX_COPY_THRESH,
1480                                                        PCI_DMA_FROMDEVICE);
1481                         prefetch(skb);
1482                         prefetch(((char *)(skb)) + 128);
1483
1484                         /* is this an error packet? */
1485                         if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
1486                                 DP(NETIF_MSG_RX_ERR,
1487                                    "ERROR  flags %x  rx packet %u\n",
1488                                    cqe_fp_flags, sw_comp_cons);
1489                                 bp->eth_stats.rx_err_discard_pkt++;
1490                                 goto reuse_rx;
1491                         }
1492
1493                         /* Since we don't have a jumbo ring
1494                          * copy small packets if mtu > 1500
1495                          */
1496                         if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1497                             (len <= RX_COPY_THRESH)) {
1498                                 struct sk_buff *new_skb;
1499
1500                                 new_skb = netdev_alloc_skb(bp->dev,
1501                                                            len + pad);
1502                                 if (new_skb == NULL) {
1503                                         DP(NETIF_MSG_RX_ERR,
1504                                            "ERROR  packet dropped "
1505                                            "because of alloc failure\n");
1506                                         bp->eth_stats.rx_skb_alloc_failed++;
1507                                         goto reuse_rx;
1508                                 }
1509
1510                                 /* aligned copy */
1511                                 skb_copy_from_linear_data_offset(skb, pad,
1512                                                     new_skb->data + pad, len);
1513                                 skb_reserve(new_skb, pad);
1514                                 skb_put(new_skb, len);
1515
1516                                 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1517
1518                                 skb = new_skb;
1519
1520                         } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1521                                 pci_unmap_single(bp->pdev,
1522                                         pci_unmap_addr(rx_buf, mapping),
1523                                                  bp->rx_buf_use_size,
1524                                                  PCI_DMA_FROMDEVICE);
1525                                 skb_reserve(skb, pad);
1526                                 skb_put(skb, len);
1527
1528                         } else {
1529                                 DP(NETIF_MSG_RX_ERR,
1530                                    "ERROR  packet dropped because "
1531                                    "of alloc failure\n");
1532                                 bp->eth_stats.rx_skb_alloc_failed++;
1533 reuse_rx:
1534                                 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1535                                 goto next_rx;
1536                         }
1537
1538                         skb->protocol = eth_type_trans(skb, bp->dev);
1539
1540                         skb->ip_summed = CHECKSUM_NONE;
1541                         if (bp->rx_csum) {
1542                                 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1543                                         skb->ip_summed = CHECKSUM_UNNECESSARY;
1544                                 else
1545                                         bp->eth_stats.hw_csum_err++;
1546                         }
1547                 }
1548
1549 #ifdef BCM_VLAN
1550                 if ((bp->vlgrp != NULL) &&
1551                     (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1552                      PARSING_FLAGS_VLAN))
1553                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1554                                 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1555                 else
1556 #endif
1557                         netif_receive_skb(skb);
1558
1559                 bp->dev->last_rx = jiffies;
1560
1561 next_rx:
1562                 rx_buf->skb = NULL;
1563
1564                 bd_cons = NEXT_RX_IDX(bd_cons);
1565                 bd_prod = NEXT_RX_IDX(bd_prod);
1566                 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1567                 rx_pkt++;
1568 next_cqe:
1569                 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1570                 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
1571
1572                 if (rx_pkt == budget)
1573                         break;
1574         } /* while */
1575
1576         fp->rx_bd_cons = bd_cons;
1577         fp->rx_bd_prod = bd_prod_fw;
1578         fp->rx_comp_cons = sw_comp_cons;
1579         fp->rx_comp_prod = sw_comp_prod;
1580
1581         /* Update producers */
1582         bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1583                              fp->rx_sge_prod);
1584         mmiowb(); /* keep prod updates ordered */
1585
1586         fp->rx_pkt += rx_pkt;
1587         fp->rx_calls++;
1588
1589         return rx_pkt;
1590 }
1591
1592 static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1593 {
1594         struct bnx2x_fastpath *fp = fp_cookie;
1595         struct bnx2x *bp = fp->bp;
1596         struct net_device *dev = bp->dev;
1597         int index = FP_IDX(fp);
1598
1599         /* Return here if interrupt is disabled */
1600         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1601                 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1602                 return IRQ_HANDLED;
1603         }
1604
1605         DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1606            index, FP_SB_ID(fp));
1607         bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
1608
1609 #ifdef BNX2X_STOP_ON_ERROR
1610         if (unlikely(bp->panic))
1611                 return IRQ_HANDLED;
1612 #endif
1613
1614         prefetch(fp->rx_cons_sb);
1615         prefetch(fp->tx_cons_sb);
1616         prefetch(&fp->status_blk->c_status_block.status_block_index);
1617         prefetch(&fp->status_blk->u_status_block.status_block_index);
1618
1619         netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
1620
1621         return IRQ_HANDLED;
1622 }
1623
1624 static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1625 {
1626         struct net_device *dev = dev_instance;
1627         struct bnx2x *bp = netdev_priv(dev);
1628         u16 status = bnx2x_ack_int(bp);
1629         u16 mask;
1630
1631         /* Return here if interrupt is shared and it's not for us */
1632         if (unlikely(status == 0)) {
1633                 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1634                 return IRQ_NONE;
1635         }
1636         DP(NETIF_MSG_INTR, "got an interrupt  status %u\n", status);
1637
1638         /* Return here if interrupt is disabled */
1639         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1640                 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1641                 return IRQ_HANDLED;
1642         }
1643
1644 #ifdef BNX2X_STOP_ON_ERROR
1645         if (unlikely(bp->panic))
1646                 return IRQ_HANDLED;
1647 #endif
1648
1649         mask = 0x2 << bp->fp[0].sb_id;
1650         if (status & mask) {
1651                 struct bnx2x_fastpath *fp = &bp->fp[0];
1652
1653                 prefetch(fp->rx_cons_sb);
1654                 prefetch(fp->tx_cons_sb);
1655                 prefetch(&fp->status_blk->c_status_block.status_block_index);
1656                 prefetch(&fp->status_blk->u_status_block.status_block_index);
1657
1658                 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1659
1660                 status &= ~mask;
1661         }
1662
1663
1664         if (unlikely(status & 0x1)) {
1665                 schedule_work(&bp->sp_task);
1666
1667                 status &= ~0x1;
1668                 if (!status)
1669                         return IRQ_HANDLED;
1670         }
1671
1672         if (status)
1673                 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1674                    status);
1675
1676         return IRQ_HANDLED;
1677 }
1678
1679 /* end of fast path */
1680
1681 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
1682
1683 /* Link */
1684
1685 /*
1686  * General service functions
1687  */
1688
1689 static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1690 {
1691         u32 lock_status;
1692         u32 resource_bit = (1 << resource);
1693         int func = BP_FUNC(bp);
1694         u32 hw_lock_control_reg;
1695         int cnt;
1696
1697         /* Validating that the resource is within range */
1698         if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1699                 DP(NETIF_MSG_HW,
1700                    "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1701                    resource, HW_LOCK_MAX_RESOURCE_VALUE);
1702                 return -EINVAL;
1703         }
1704
1705         if (func <= 5) {
1706                 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1707         } else {
1708                 hw_lock_control_reg =
1709                                 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1710         }
1711
1712         /* Validating that the resource is not already taken */
1713         lock_status = REG_RD(bp, hw_lock_control_reg);
1714         if (lock_status & resource_bit) {
1715                 DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
1716                    lock_status, resource_bit);
1717                 return -EEXIST;
1718         }
1719
1720         /* Try for 5 second every 5ms */
1721         for (cnt = 0; cnt < 1000; cnt++) {
1722                 /* Try to acquire the lock */
1723                 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1724                 lock_status = REG_RD(bp, hw_lock_control_reg);
1725                 if (lock_status & resource_bit)
1726                         return 0;
1727
1728                 msleep(5);
1729         }
1730         DP(NETIF_MSG_HW, "Timeout\n");
1731         return -EAGAIN;
1732 }
1733
1734 static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
1735 {
1736         u32 lock_status;
1737         u32 resource_bit = (1 << resource);
1738         int func = BP_FUNC(bp);
1739         u32 hw_lock_control_reg;
1740
1741         /* Validating that the resource is within range */
1742         if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1743                 DP(NETIF_MSG_HW,
1744                    "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1745                    resource, HW_LOCK_MAX_RESOURCE_VALUE);
1746                 return -EINVAL;
1747         }
1748
1749         if (func <= 5) {
1750                 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1751         } else {
1752                 hw_lock_control_reg =
1753                                 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1754         }
1755
1756         /* Validating that the resource is currently taken */
1757         lock_status = REG_RD(bp, hw_lock_control_reg);
1758         if (!(lock_status & resource_bit)) {
1759                 DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
1760                    lock_status, resource_bit);
1761                 return -EFAULT;
1762         }
1763
1764         REG_WR(bp, hw_lock_control_reg, resource_bit);
1765         return 0;
1766 }
1767
1768 /* HW Lock for shared dual port PHYs */
1769 static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
1770 {
1771         u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1772
1773         mutex_lock(&bp->port.phy_mutex);
1774
1775         if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1776             (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1777                 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1778 }
1779
1780 static void bnx2x_release_phy_lock(struct bnx2x *bp)
1781 {
1782         u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1783
1784         if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1785             (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1786                 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1787
1788         mutex_unlock(&bp->port.phy_mutex);
1789 }
1790
1791 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1792 {
1793         /* The GPIO should be swapped if swap register is set and active */
1794         int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1795                          REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1796         int gpio_shift = gpio_num +
1797                         (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1798         u32 gpio_mask = (1 << gpio_shift);
1799         u32 gpio_reg;
1800
1801         if (gpio_num > MISC_REGISTERS_GPIO_3) {
1802                 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1803                 return -EINVAL;
1804         }
1805
1806         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1807         /* read GPIO and mask except the float bits */
1808         gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1809
1810         switch (mode) {
1811         case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1812                 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1813                    gpio_num, gpio_shift);
1814                 /* clear FLOAT and set CLR */
1815                 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1816                 gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1817                 break;
1818
1819         case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1820                 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1821                    gpio_num, gpio_shift);
1822                 /* clear FLOAT and set SET */
1823                 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1824                 gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1825                 break;
1826
1827         case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1828                 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1829                    gpio_num, gpio_shift);
1830                 /* set FLOAT */
1831                 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1832                 break;
1833
1834         default:
1835                 break;
1836         }
1837
1838         REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1839         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1840
1841         return 0;
1842 }
1843
1844 static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1845 {
1846         u32 spio_mask = (1 << spio_num);
1847         u32 spio_reg;
1848
1849         if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1850             (spio_num > MISC_REGISTERS_SPIO_7)) {
1851                 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1852                 return -EINVAL;
1853         }
1854
1855         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1856         /* read SPIO and mask except the float bits */
1857         spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1858
1859         switch (mode) {
1860         case MISC_REGISTERS_SPIO_OUTPUT_LOW:
1861                 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1862                 /* clear FLOAT and set CLR */
1863                 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1864                 spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1865                 break;
1866
1867         case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
1868                 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1869                 /* clear FLOAT and set SET */
1870                 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1871                 spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1872                 break;
1873
1874         case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1875                 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1876                 /* set FLOAT */
1877                 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1878                 break;
1879
1880         default:
1881                 break;
1882         }
1883
1884         REG_WR(bp, MISC_REG_SPIO, spio_reg);
1885         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1886
1887         return 0;
1888 }
1889
1890 static void bnx2x_calc_fc_adv(struct bnx2x *bp)
1891 {
1892         switch (bp->link_vars.ieee_fc) {
1893         case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1894                 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1895                                           ADVERTISED_Pause);
1896                 break;
1897         case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1898                 bp->port.advertising |= (ADVERTISED_Asym_Pause |
1899                                          ADVERTISED_Pause);
1900                 break;
1901         case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1902                 bp->port.advertising |= ADVERTISED_Asym_Pause;
1903                 break;
1904         default:
1905                 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1906                                           ADVERTISED_Pause);
1907                 break;
1908         }
1909 }
1910
1911 static void bnx2x_link_report(struct bnx2x *bp)
1912 {
1913         if (bp->link_vars.link_up) {
1914                 if (bp->state == BNX2X_STATE_OPEN)
1915                         netif_carrier_on(bp->dev);
1916                 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1917
1918                 printk("%d Mbps ", bp->link_vars.line_speed);
1919
1920                 if (bp->link_vars.duplex == DUPLEX_FULL)
1921                         printk("full duplex");
1922                 else
1923                         printk("half duplex");
1924
1925                 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1926                         if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
1927                                 printk(", receive ");
1928                                 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
1929                                         printk("& transmit ");
1930                         } else {
1931                                 printk(", transmit ");
1932                         }
1933                         printk("flow control ON");
1934                 }
1935                 printk("\n");
1936
1937         } else { /* link_down */
1938                 netif_carrier_off(bp->dev);
1939                 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
1940         }
1941 }
1942
1943 static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
1944 {
1945         if (!BP_NOMCP(bp)) {
1946                 u8 rc;
1947
1948                 /* Initialize link parameters structure variables */
1949                 /* It is recommended to turn off RX FC for jumbo frames
1950                    for better performance */
1951                 if (IS_E1HMF(bp))
1952                         bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
1953                 else if (bp->dev->mtu > 5000)
1954                         bp->link_params.req_fc_auto_adv = FLOW_CTRL_TX;
1955                 else
1956                         bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
1957
1958                 bnx2x_acquire_phy_lock(bp);
1959                 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1960                 bnx2x_release_phy_lock(bp);
1961
1962                 if (bp->link_vars.link_up)
1963                         bnx2x_link_report(bp);
1964
1965                 bnx2x_calc_fc_adv(bp);
1966
1967                 return rc;
1968         }
1969         BNX2X_ERR("Bootcode is missing -not initializing link\n");
1970         return -EINVAL;
1971 }
1972
1973 static void bnx2x_link_set(struct bnx2x *bp)
1974 {
1975         if (!BP_NOMCP(bp)) {
1976                 bnx2x_acquire_phy_lock(bp);
1977                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1978                 bnx2x_release_phy_lock(bp);
1979
1980                 bnx2x_calc_fc_adv(bp);
1981         } else
1982                 BNX2X_ERR("Bootcode is missing -not setting link\n");
1983 }
1984
1985 static void bnx2x__link_reset(struct bnx2x *bp)
1986 {
1987         if (!BP_NOMCP(bp)) {
1988                 bnx2x_acquire_phy_lock(bp);
1989                 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
1990                 bnx2x_release_phy_lock(bp);
1991         } else
1992                 BNX2X_ERR("Bootcode is missing -not resetting link\n");
1993 }
1994
1995 static u8 bnx2x_link_test(struct bnx2x *bp)
1996 {
1997         u8 rc;
1998
1999         bnx2x_acquire_phy_lock(bp);
2000         rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
2001         bnx2x_release_phy_lock(bp);
2002
2003         return rc;
2004 }
2005
2006 /* Calculates the sum of vn_min_rates.
2007    It's needed for further normalizing of the min_rates.
2008
2009    Returns:
2010      sum of vn_min_rates
2011        or
2012      0 - if all the min_rates are 0.
2013      In the later case fairness algorithm should be deactivated.
2014      If not all min_rates are zero then those that are zeroes will
2015      be set to 1.
2016  */
2017 static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2018 {
2019         int i, port = BP_PORT(bp);
2020         u32 wsum = 0;
2021         int all_zero = 1;
2022
2023         for (i = 0; i < E1HVN_MAX; i++) {
2024                 u32 vn_cfg =
2025                         SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2026                 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2027                                      FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2028                 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2029                         /* If min rate is zero - set it to 1 */
2030                         if (!vn_min_rate)
2031                                 vn_min_rate = DEF_MIN_RATE;
2032                         else
2033                                 all_zero = 0;
2034
2035                         wsum += vn_min_rate;
2036                 }
2037         }
2038
2039         /* ... only if all min rates are zeros - disable FAIRNESS */
2040         if (all_zero)
2041                 return 0;
2042
2043         return wsum;
2044 }
2045
2046 static void bnx2x_init_port_minmax(struct bnx2x *bp,
2047                                    int en_fness,
2048                                    u16 port_rate,
2049                                    struct cmng_struct_per_port *m_cmng_port)
2050 {
2051         u32 r_param = port_rate / 8;
2052         int port = BP_PORT(bp);
2053         int i;
2054
2055         memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2056
2057         /* Enable minmax only if we are in e1hmf mode */
2058         if (IS_E1HMF(bp)) {
2059                 u32 fair_periodic_timeout_usec;
2060                 u32 t_fair;
2061
2062                 /* Enable rate shaping and fairness */
2063                 m_cmng_port->flags.cmng_vn_enable = 1;
2064                 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2065                 m_cmng_port->flags.rate_shaping_enable = 1;
2066
2067                 if (!en_fness)
2068                         DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2069                            "  fairness will be disabled\n");
2070
2071                 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2072                 m_cmng_port->rs_vars.rs_periodic_timeout =
2073                                                 RS_PERIODIC_TIMEOUT_USEC / 4;
2074
2075                 /* this is the threshold below which no timer arming will occur
2076                    1.25 coefficient is for the threshold to be a little bigger
2077                    than the real time, to compensate for timer in-accuracy */
2078                 m_cmng_port->rs_vars.rs_threshold =
2079                                 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2080
2081                 /* resolution of fairness timer */
2082                 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2083                 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2084                 t_fair = T_FAIR_COEF / port_rate;
2085
2086                 /* this is the threshold below which we won't arm
2087                    the timer anymore */
2088                 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2089
2090                 /* we multiply by 1e3/8 to get bytes/msec.
2091                    We don't want the credits to pass a credit
2092                    of the T_FAIR*FAIR_MEM (algorithm resolution) */
2093                 m_cmng_port->fair_vars.upper_bound =
2094                                                 r_param * t_fair * FAIR_MEM;
2095                 /* since each tick is 4 usec */
2096                 m_cmng_port->fair_vars.fairness_timeout =
2097                                                 fair_periodic_timeout_usec / 4;
2098
2099         } else {
2100                 /* Disable rate shaping and fairness */
2101                 m_cmng_port->flags.cmng_vn_enable = 0;
2102                 m_cmng_port->flags.fairness_enable = 0;
2103                 m_cmng_port->flags.rate_shaping_enable = 0;
2104
2105                 DP(NETIF_MSG_IFUP,
2106                    "Single function mode  minmax will be disabled\n");
2107         }
2108
2109         /* Store it to internal memory */
2110         for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2111                 REG_WR(bp, BAR_XSTRORM_INTMEM +
2112                        XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2113                        ((u32 *)(m_cmng_port))[i]);
2114 }
2115
2116 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2117                                    u32 wsum, u16 port_rate,
2118                                  struct cmng_struct_per_port *m_cmng_port)
2119 {
2120         struct rate_shaping_vars_per_vn m_rs_vn;
2121         struct fairness_vars_per_vn m_fair_vn;
2122         u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2123         u16 vn_min_rate, vn_max_rate;
2124         int i;
2125
2126         /* If function is hidden - set min and max to zeroes */
2127         if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2128                 vn_min_rate = 0;
2129                 vn_max_rate = 0;
2130
2131         } else {
2132                 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2133                                 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2134                 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2135                    if current min rate is zero - set it to 1.
2136                    This is a requirement of the algorithm. */
2137                 if ((vn_min_rate == 0) && wsum)
2138                         vn_min_rate = DEF_MIN_RATE;
2139                 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2140                                 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2141         }
2142
2143         DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d  vn_max_rate=%d  "
2144            "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2145
2146         memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2147         memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2148
2149         /* global vn counter - maximal Mbps for this vn */
2150         m_rs_vn.vn_counter.rate = vn_max_rate;
2151
2152         /* quota - number of bytes transmitted in this period */
2153         m_rs_vn.vn_counter.quota =
2154                                 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2155
2156 #ifdef BNX2X_PER_PROT_QOS
2157         /* per protocol counter */
2158         for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2159                 /* maximal Mbps for this protocol */
2160                 m_rs_vn.protocol_counters[protocol].rate =
2161                                                 protocol_max_rate[protocol];
2162                 /* the quota in each timer period -
2163                    number of bytes transmitted in this period */
2164                 m_rs_vn.protocol_counters[protocol].quota =
2165                         (u32)(rs_periodic_timeout_usec *
2166                           ((double)m_rs_vn.
2167                                    protocol_counters[protocol].rate/8));
2168         }
2169 #endif
2170
2171         if (wsum) {
2172                 /* credit for each period of the fairness algorithm:
2173                    number of bytes in T_FAIR (the vn share the port rate).
2174                    wsum should not be larger than 10000, thus
2175                    T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2176                 m_fair_vn.vn_credit_delta =
2177                         max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2178                             (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2179                 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2180                    m_fair_vn.vn_credit_delta);
2181         }
2182
2183 #ifdef BNX2X_PER_PROT_QOS
2184         do {
2185                 u32 protocolWeightSum = 0;
2186
2187                 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2188                         protocolWeightSum +=
2189                                         drvInit.protocol_min_rate[protocol];
2190                 /* per protocol counter -
2191                    NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2192                 if (protocolWeightSum > 0) {
2193                         for (protocol = 0;
2194                              protocol < NUM_OF_PROTOCOLS; protocol++)
2195                                 /* credit for each period of the
2196                                    fairness algorithm - number of bytes in
2197                                    T_FAIR (the protocol share the vn rate) */
2198                                 m_fair_vn.protocol_credit_delta[protocol] =
2199                                         (u32)((vn_min_rate / 8) * t_fair *
2200                                         protocol_min_rate / protocolWeightSum);
2201                 }
2202         } while (0);
2203 #endif
2204
2205         /* Store it to internal memory */
2206         for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2207                 REG_WR(bp, BAR_XSTRORM_INTMEM +
2208                        XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2209                        ((u32 *)(&m_rs_vn))[i]);
2210
2211         for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2212                 REG_WR(bp, BAR_XSTRORM_INTMEM +
2213                        XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2214                        ((u32 *)(&m_fair_vn))[i]);
2215 }
2216
2217 /* This function is called upon link interrupt */
2218 static void bnx2x_link_attn(struct bnx2x *bp)
2219 {
2220         int vn;
2221
2222         /* Make sure that we are synced with the current statistics */
2223         bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2224
2225         bnx2x_acquire_phy_lock(bp);
2226         bnx2x_link_update(&bp->link_params, &bp->link_vars);
2227         bnx2x_release_phy_lock(bp);
2228
2229         if (bp->link_vars.link_up) {
2230
2231                 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2232                         struct host_port_stats *pstats;
2233
2234                         pstats = bnx2x_sp(bp, port_stats);
2235                         /* reset old bmac stats */
2236                         memset(&(pstats->mac_stx[0]), 0,
2237                                sizeof(struct mac_stx));
2238                 }
2239                 if ((bp->state == BNX2X_STATE_OPEN) ||
2240                     (bp->state == BNX2X_STATE_DISABLED))
2241                         bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2242         }
2243
2244         /* indicate link status */
2245         bnx2x_link_report(bp);
2246
2247         if (IS_E1HMF(bp)) {
2248                 int func;
2249
2250                 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2251                         if (vn == BP_E1HVN(bp))
2252                                 continue;
2253
2254                         func = ((vn << 1) | BP_PORT(bp));
2255
2256                         /* Set the attention towards other drivers
2257                            on the same port */
2258                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2259                                (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2260                 }
2261         }
2262
2263         if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2264                 struct cmng_struct_per_port m_cmng_port;
2265                 u32 wsum;
2266                 int port = BP_PORT(bp);
2267
2268                 /* Init RATE SHAPING and FAIRNESS contexts */
2269                 wsum = bnx2x_calc_vn_wsum(bp);
2270                 bnx2x_init_port_minmax(bp, (int)wsum,
2271                                         bp->link_vars.line_speed,
2272                                         &m_cmng_port);
2273                 if (IS_E1HMF(bp))
2274                         for (vn = VN_0; vn < E1HVN_MAX; vn++)
2275                                 bnx2x_init_vn_minmax(bp, 2*vn + port,
2276                                         wsum, bp->link_vars.line_speed,
2277                                                      &m_cmng_port);
2278         }
2279 }
2280
2281 static void bnx2x__link_status_update(struct bnx2x *bp)
2282 {
2283         if (bp->state != BNX2X_STATE_OPEN)
2284                 return;
2285
2286         bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2287
2288         if (bp->link_vars.link_up)
2289                 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2290         else
2291                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2292
2293         /* indicate link status */
2294         bnx2x_link_report(bp);
2295 }
2296
2297 static void bnx2x_pmf_update(struct bnx2x *bp)
2298 {
2299         int port = BP_PORT(bp);
2300         u32 val;
2301
2302         bp->port.pmf = 1;
2303         DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2304
2305         /* enable nig attention */
2306         val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2307         REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2308         REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2309
2310         bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2311 }
2312
2313 /* end of Link */
2314
2315 /* slow path */
2316
2317 /*
2318  * General service functions
2319  */
2320
2321 /* the slow path queue is odd since completions arrive on the fastpath ring */
2322 static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2323                          u32 data_hi, u32 data_lo, int common)
2324 {
2325         int func = BP_FUNC(bp);
2326
2327         DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2328            "SPQE (%x:%x)  command %d  hw_cid %x  data (%x:%x)  left %x\n",
2329            (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2330            (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2331            HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2332
2333 #ifdef BNX2X_STOP_ON_ERROR
2334         if (unlikely(bp->panic))
2335                 return -EIO;
2336 #endif
2337
2338         spin_lock_bh(&bp->spq_lock);
2339
2340         if (!bp->spq_left) {
2341                 BNX2X_ERR("BUG! SPQ ring full!\n");
2342                 spin_unlock_bh(&bp->spq_lock);
2343                 bnx2x_panic();
2344                 return -EBUSY;
2345         }
2346
2347         /* CID needs port number to be encoded int it */
2348         bp->spq_prod_bd->hdr.conn_and_cmd_data =
2349                         cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2350                                      HW_CID(bp, cid)));
2351         bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2352         if (common)
2353                 bp->spq_prod_bd->hdr.type |=
2354                         cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2355
2356         bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2357         bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2358
2359         bp->spq_left--;
2360
2361         if (bp->spq_prod_bd == bp->spq_last_bd) {
2362                 bp->spq_prod_bd = bp->spq;
2363                 bp->spq_prod_idx = 0;
2364                 DP(NETIF_MSG_TIMER, "end of spq\n");
2365
2366         } else {
2367                 bp->spq_prod_bd++;
2368                 bp->spq_prod_idx++;
2369         }
2370
2371         REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
2372                bp->spq_prod_idx);
2373
2374         spin_unlock_bh(&bp->spq_lock);
2375         return 0;
2376 }
2377
2378 /* acquire split MCP access lock register */
2379 static int bnx2x_acquire_alr(struct bnx2x *bp)
2380 {
2381         u32 i, j, val;
2382         int rc = 0;
2383
2384         might_sleep();
2385         i = 100;
2386         for (j = 0; j < i*10; j++) {
2387                 val = (1UL << 31);
2388                 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2389                 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2390                 if (val & (1L << 31))
2391                         break;
2392
2393                 msleep(5);
2394         }
2395         if (!(val & (1L << 31))) {
2396                 BNX2X_ERR("Cannot acquire MCP access lock register\n");
2397                 rc = -EBUSY;
2398         }
2399
2400         return rc;
2401 }
2402
2403 /* release split MCP access lock register */
2404 static void bnx2x_release_alr(struct bnx2x *bp)
2405 {
2406         u32 val = 0;
2407
2408         REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2409 }
2410
2411 static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2412 {
2413         struct host_def_status_block *def_sb = bp->def_status_blk;
2414         u16 rc = 0;
2415
2416         barrier(); /* status block is written to by the chip */
2417         if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2418                 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2419                 rc |= 1;
2420         }
2421         if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2422                 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2423                 rc |= 2;
2424         }
2425         if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2426                 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2427                 rc |= 4;
2428         }
2429         if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2430                 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2431                 rc |= 8;
2432         }
2433         if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2434                 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2435                 rc |= 16;
2436         }
2437         return rc;
2438 }
2439
2440 /*
2441  * slow path service functions
2442  */
2443
2444 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2445 {
2446         int port = BP_PORT(bp);
2447         u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2448                        COMMAND_REG_ATTN_BITS_SET);
2449         u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2450                               MISC_REG_AEU_MASK_ATTN_FUNC_0;
2451         u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2452                                        NIG_REG_MASK_INTERRUPT_PORT0;
2453         u32 aeu_mask;
2454
2455         if (bp->attn_state & asserted)
2456                 BNX2X_ERR("IGU ERROR\n");
2457
2458         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2459         aeu_mask = REG_RD(bp, aeu_addr);
2460
2461         DP(NETIF_MSG_HW, "aeu_mask %x  newly asserted %x\n",
2462            aeu_mask, asserted);
2463         aeu_mask &= ~(asserted & 0xff);
2464         DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2465
2466         REG_WR(bp, aeu_addr, aeu_mask);
2467         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2468
2469         DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2470         bp->attn_state |= asserted;
2471         DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2472
2473         if (asserted & ATTN_HARD_WIRED_MASK) {
2474                 if (asserted & ATTN_NIG_FOR_FUNC) {
2475
2476                         /* save nig interrupt mask */
2477                         bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2478                         REG_WR(bp, nig_int_mask_addr, 0);
2479
2480                         bnx2x_link_attn(bp);
2481
2482                         /* handle unicore attn? */
2483                 }
2484                 if (asserted & ATTN_SW_TIMER_4_FUNC)
2485                         DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2486
2487                 if (asserted & GPIO_2_FUNC)
2488                         DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2489
2490                 if (asserted & GPIO_3_FUNC)
2491                         DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2492
2493                 if (asserted & GPIO_4_FUNC)
2494                         DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2495
2496                 if (port == 0) {
2497                         if (asserted & ATTN_GENERAL_ATTN_1) {
2498                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2499                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2500                         }
2501                         if (asserted & ATTN_GENERAL_ATTN_2) {
2502                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2503                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2504                         }
2505                         if (asserted & ATTN_GENERAL_ATTN_3) {
2506                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2507                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2508                         }
2509                 } else {
2510                         if (asserted & ATTN_GENERAL_ATTN_4) {
2511                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2512                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2513                         }
2514                         if (asserted & ATTN_GENERAL_ATTN_5) {
2515                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2516                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2517                         }
2518                         if (asserted & ATTN_GENERAL_ATTN_6) {
2519                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2520                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2521                         }
2522                 }
2523
2524         } /* if hardwired */
2525
2526         DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2527            asserted, hc_addr);
2528         REG_WR(bp, hc_addr, asserted);
2529
2530         /* now set back the mask */
2531         if (asserted & ATTN_NIG_FOR_FUNC)
2532                 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2533 }
2534
2535 static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2536 {
2537         int port = BP_PORT(bp);
2538         int reg_offset;
2539         u32 val;
2540
2541         reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2542                              MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2543
2544         if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2545
2546                 val = REG_RD(bp, reg_offset);
2547                 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2548                 REG_WR(bp, reg_offset, val);
2549
2550                 BNX2X_ERR("SPIO5 hw attention\n");
2551
2552                 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
2553                 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
2554                 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2555                         /* Fan failure attention */
2556
2557                         /* The PHY reset is controlled by GPIO 1 */
2558                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2559                                        MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2560                         /* Low power mode is controlled by GPIO 2 */
2561                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2562                                        MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2563                         /* mark the failure */
2564                         bp->link_params.ext_phy_config &=
2565                                         ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2566                         bp->link_params.ext_phy_config |=
2567                                         PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2568                         SHMEM_WR(bp,
2569                                  dev_info.port_hw_config[port].
2570                                                         external_phy_config,
2571                                  bp->link_params.ext_phy_config);
2572                         /* log the failure */
2573                         printk(KERN_ERR PFX "Fan Failure on Network"
2574                                " Controller %s has caused the driver to"
2575                                " shutdown the card to prevent permanent"
2576                                " damage.  Please contact Dell Support for"
2577                                " assistance\n", bp->dev->name);
2578                         break;
2579
2580                 default:
2581                         break;
2582                 }
2583         }
2584
2585         if (attn & HW_INTERRUT_ASSERT_SET_0) {
2586
2587                 val = REG_RD(bp, reg_offset);
2588                 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2589                 REG_WR(bp, reg_offset, val);
2590
2591                 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2592                           (attn & HW_INTERRUT_ASSERT_SET_0));
2593                 bnx2x_panic();
2594         }
2595 }
2596
2597 static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2598 {
2599         u32 val;
2600
2601         if (attn & BNX2X_DOORQ_ASSERT) {
2602
2603                 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2604                 BNX2X_ERR("DB hw attention 0x%x\n", val);
2605                 /* DORQ discard attention */
2606                 if (val & 0x2)
2607                         BNX2X_ERR("FATAL error from DORQ\n");
2608         }
2609
2610         if (attn & HW_INTERRUT_ASSERT_SET_1) {
2611
2612                 int port = BP_PORT(bp);
2613                 int reg_offset;
2614
2615                 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2616                                      MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2617
2618                 val = REG_RD(bp, reg_offset);
2619                 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2620                 REG_WR(bp, reg_offset, val);
2621
2622                 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2623                           (attn & HW_INTERRUT_ASSERT_SET_1));
2624                 bnx2x_panic();
2625         }
2626 }
2627
2628 static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2629 {
2630         u32 val;
2631
2632         if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2633
2634                 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2635                 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2636                 /* CFC error attention */
2637                 if (val & 0x2)
2638                         BNX2X_ERR("FATAL error from CFC\n");
2639         }
2640
2641         if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2642
2643                 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2644                 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2645                 /* RQ_USDMDP_FIFO_OVERFLOW */
2646                 if (val & 0x18000)
2647                         BNX2X_ERR("FATAL error from PXP\n");
2648         }
2649
2650         if (attn & HW_INTERRUT_ASSERT_SET_2) {
2651
2652                 int port = BP_PORT(bp);
2653                 int reg_offset;
2654
2655                 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2656                                      MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2657
2658                 val = REG_RD(bp, reg_offset);
2659                 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2660                 REG_WR(bp, reg_offset, val);
2661
2662                 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2663                           (attn & HW_INTERRUT_ASSERT_SET_2));
2664                 bnx2x_panic();
2665         }
2666 }
2667
2668 static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2669 {
2670         u32 val;
2671
2672         if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2673
2674                 if (attn & BNX2X_PMF_LINK_ASSERT) {
2675                         int func = BP_FUNC(bp);
2676
2677                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2678                         bnx2x__link_status_update(bp);
2679                         if (SHMEM_RD(bp, func_mb[func].drv_status) &
2680                                                         DRV_STATUS_PMF)
2681                                 bnx2x_pmf_update(bp);
2682
2683                 } else if (attn & BNX2X_MC_ASSERT_BITS) {
2684
2685                         BNX2X_ERR("MC assert!\n");
2686                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2687                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2688                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2689                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2690                         bnx2x_panic();
2691
2692                 } else if (attn & BNX2X_MCP_ASSERT) {
2693
2694                         BNX2X_ERR("MCP assert!\n");
2695                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
2696                         bnx2x_fw_dump(bp);
2697
2698                 } else
2699                         BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2700         }
2701
2702         if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
2703                 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2704                 if (attn & BNX2X_GRC_TIMEOUT) {
2705                         val = CHIP_IS_E1H(bp) ?
2706                                 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2707                         BNX2X_ERR("GRC time-out 0x%08x\n", val);
2708                 }
2709                 if (attn & BNX2X_GRC_RSV) {
2710                         val = CHIP_IS_E1H(bp) ?
2711                                 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2712                         BNX2X_ERR("GRC reserved 0x%08x\n", val);
2713                 }
2714                 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
2715         }
2716 }
2717
2718 static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2719 {
2720         struct attn_route attn;
2721         struct attn_route group_mask;
2722         int port = BP_PORT(bp);
2723         int index;
2724         u32 reg_addr;
2725         u32 val;
2726         u32 aeu_mask;
2727
2728         /* need to take HW lock because MCP or other port might also
2729            try to handle this event */
2730         bnx2x_acquire_alr(bp);
2731
2732         attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2733         attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2734         attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2735         attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
2736         DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2737            attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
2738
2739         for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2740                 if (deasserted & (1 << index)) {
2741                         group_mask = bp->attn_group[index];
2742
2743                         DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2744                            index, group_mask.sig[0], group_mask.sig[1],
2745                            group_mask.sig[2], group_mask.sig[3]);
2746
2747                         bnx2x_attn_int_deasserted3(bp,
2748                                         attn.sig[3] & group_mask.sig[3]);
2749                         bnx2x_attn_int_deasserted1(bp,
2750                                         attn.sig[1] & group_mask.sig[1]);
2751                         bnx2x_attn_int_deasserted2(bp,
2752                                         attn.sig[2] & group_mask.sig[2]);
2753                         bnx2x_attn_int_deasserted0(bp,
2754                                         attn.sig[0] & group_mask.sig[0]);
2755
2756                         if ((attn.sig[0] & group_mask.sig[0] &
2757                                                 HW_PRTY_ASSERT_SET_0) ||
2758                             (attn.sig[1] & group_mask.sig[1] &
2759                                                 HW_PRTY_ASSERT_SET_1) ||
2760                             (attn.sig[2] & group_mask.sig[2] &
2761                                                 HW_PRTY_ASSERT_SET_2))
2762                                 BNX2X_ERR("FATAL HW block parity attention\n");
2763                 }
2764         }
2765
2766         bnx2x_release_alr(bp);
2767
2768         reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
2769
2770         val = ~deasserted;
2771         DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2772            val, reg_addr);
2773         REG_WR(bp, reg_addr, val);
2774
2775         if (~bp->attn_state & deasserted)
2776                 BNX2X_ERR("IGU ERROR\n");
2777
2778         reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2779                           MISC_REG_AEU_MASK_ATTN_FUNC_0;
2780
2781         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2782         aeu_mask = REG_RD(bp, reg_addr);
2783
2784         DP(NETIF_MSG_HW, "aeu_mask %x  newly deasserted %x\n",
2785            aeu_mask, deasserted);
2786         aeu_mask |= (deasserted & 0xff);
2787         DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2788
2789         REG_WR(bp, reg_addr, aeu_mask);
2790         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2791
2792         DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2793         bp->attn_state &= ~deasserted;
2794         DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2795 }
2796
2797 static void bnx2x_attn_int(struct bnx2x *bp)
2798 {
2799         /* read local copy of bits */
2800         u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2801         u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2802         u32 attn_state = bp->attn_state;
2803
2804         /* look for changed bits */
2805         u32 asserted   =  attn_bits & ~attn_ack & ~attn_state;
2806         u32 deasserted = ~attn_bits &  attn_ack &  attn_state;
2807
2808         DP(NETIF_MSG_HW,
2809            "attn_bits %x  attn_ack %x  asserted %x  deasserted %x\n",
2810            attn_bits, attn_ack, asserted, deasserted);
2811
2812         if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
2813                 BNX2X_ERR("BAD attention state\n");
2814
2815         /* handle bits that were raised */
2816         if (asserted)
2817                 bnx2x_attn_int_asserted(bp, asserted);
2818
2819         if (deasserted)
2820                 bnx2x_attn_int_deasserted(bp, deasserted);
2821 }
2822
2823 static void bnx2x_sp_task(struct work_struct *work)
2824 {
2825         struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2826         u16 status;
2827
2828
2829         /* Return here if interrupt is disabled */
2830         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2831                 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2832                 return;
2833         }
2834
2835         status = bnx2x_update_dsb_idx(bp);
2836 /*      if (status == 0)                                     */
2837 /*              BNX2X_ERR("spurious slowpath interrupt!\n"); */
2838
2839         DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
2840
2841         /* HW attentions */
2842         if (status & 0x1)
2843                 bnx2x_attn_int(bp);
2844
2845         /* CStorm events: query_stats, port delete ramrod */
2846         if (status & 0x2)
2847                 bp->stats_pending = 0;
2848
2849         bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2850                      IGU_INT_NOP, 1);
2851         bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2852                      IGU_INT_NOP, 1);
2853         bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2854                      IGU_INT_NOP, 1);
2855         bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2856                      IGU_INT_NOP, 1);
2857         bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2858                      IGU_INT_ENABLE, 1);
2859
2860 }
2861
2862 static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2863 {
2864         struct net_device *dev = dev_instance;
2865         struct bnx2x *bp = netdev_priv(dev);
2866
2867         /* Return here if interrupt is disabled */
2868         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2869                 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2870                 return IRQ_HANDLED;
2871         }
2872
2873         bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
2874
2875 #ifdef BNX2X_STOP_ON_ERROR
2876         if (unlikely(bp->panic))
2877                 return IRQ_HANDLED;
2878 #endif
2879
2880         schedule_work(&bp->sp_task);
2881
2882         return IRQ_HANDLED;
2883 }
2884
2885 /* end of slow path */
2886
2887 /* Statistics */
2888
2889 /****************************************************************************
2890 * Macros
2891 ****************************************************************************/
2892
2893 /* sum[hi:lo] += add[hi:lo] */
2894 #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2895         do { \
2896                 s_lo += a_lo; \
2897                 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2898         } while (0)
2899
2900 /* difference = minuend - subtrahend */
2901 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2902         do { \
2903                 if (m_lo < s_lo) { \
2904                         /* underflow */ \
2905                         d_hi = m_hi - s_hi; \
2906                         if (d_hi > 0) { \
2907                                 /* we can 'loan' 1 */ \
2908                                 d_hi--; \
2909                                 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
2910                         } else { \
2911                                 /* m_hi <= s_hi */ \
2912                                 d_hi = 0; \
2913                                 d_lo = 0; \
2914                         } \
2915                 } else { \
2916                         /* m_lo >= s_lo */ \
2917                         if (m_hi < s_hi) { \
2918                                 d_hi = 0; \
2919                                 d_lo = 0; \
2920                         } else { \
2921                                 /* m_hi >= s_hi */ \
2922                                 d_hi = m_hi - s_hi; \
2923                                 d_lo = m_lo - s_lo; \
2924                         } \
2925                 } \
2926         } while (0)
2927
2928 #define UPDATE_STAT64(s, t) \
2929         do { \
2930                 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2931                         diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2932                 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2933                 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2934                 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2935                        pstats->mac_stx[1].t##_lo, diff.lo); \
2936         } while (0)
2937
2938 #define UPDATE_STAT64_NIG(s, t) \
2939         do { \
2940                 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2941                         diff.lo, new->s##_lo, old->s##_lo); \
2942                 ADD_64(estats->t##_hi, diff.hi, \
2943                        estats->t##_lo, diff.lo); \
2944         } while (0)
2945
2946 /* sum[hi:lo] += add */
2947 #define ADD_EXTEND_64(s_hi, s_lo, a) \
2948         do { \
2949                 s_lo += a; \
2950                 s_hi += (s_lo < a) ? 1 : 0; \
2951         } while (0)
2952
2953 #define UPDATE_EXTEND_STAT(s) \
2954         do { \
2955                 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2956                               pstats->mac_stx[1].s##_lo, \
2957                               new->s); \
2958         } while (0)
2959
2960 #define UPDATE_EXTEND_TSTAT(s, t) \
2961         do { \
2962                 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2963                 old_tclient->s = le32_to_cpu(tclient->s); \
2964                 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2965         } while (0)
2966
2967 #define UPDATE_EXTEND_XSTAT(s, t) \
2968         do { \
2969                 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2970                 old_xclient->s = le32_to_cpu(xclient->s); \
2971                 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2972         } while (0)
2973
2974 /*
2975  * General service functions
2976  */
2977
2978 static inline long bnx2x_hilo(u32 *hiref)
2979 {
2980         u32 lo = *(hiref + 1);
2981 #if (BITS_PER_LONG == 64)
2982         u32 hi = *hiref;
2983
2984         return HILO_U64(hi, lo);
2985 #else
2986         return lo;
2987 #endif
2988 }
2989
2990 /*
2991  * Init service functions
2992  */
2993
2994 static void bnx2x_storm_stats_post(struct bnx2x *bp)
2995 {
2996         if (!bp->stats_pending) {
2997                 struct eth_query_ramrod_data ramrod_data = {0};
2998                 int rc;
2999
3000                 ramrod_data.drv_counter = bp->stats_counter++;
3001                 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3002                 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3003
3004                 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3005                                    ((u32 *)&ramrod_data)[1],
3006                                    ((u32 *)&ramrod_data)[0], 0);
3007                 if (rc == 0) {
3008                         /* stats ramrod has it's own slot on the spq */
3009                         bp->spq_left++;
3010                         bp->stats_pending = 1;
3011                 }
3012         }
3013 }
3014
3015 static void bnx2x_stats_init(struct bnx2x *bp)
3016 {
3017         int port = BP_PORT(bp);
3018
3019         bp->executer_idx = 0;
3020         bp->stats_counter = 0;
3021
3022         /* port stats */
3023         if (!BP_NOMCP(bp))
3024                 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3025         else
3026                 bp->port.port_stx = 0;
3027         DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3028
3029         memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3030         bp->port.old_nig_stats.brb_discard =
3031                         REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
3032         bp->port.old_nig_stats.brb_truncate =
3033                         REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
3034         REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3035                     &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3036         REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3037                     &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3038
3039         /* function stats */
3040         memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3041         memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3042         memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3043         memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3044
3045         bp->stats_state = STATS_STATE_DISABLED;
3046         if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3047                 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3048 }
3049
3050 static void bnx2x_hw_stats_post(struct bnx2x *bp)
3051 {
3052         struct dmae_command *dmae = &bp->stats_dmae;
3053         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3054
3055         *stats_comp = DMAE_COMP_VAL;
3056
3057         /* loader */
3058         if (bp->executer_idx) {
3059                 int loader_idx = PMF_DMAE_C(bp);
3060
3061                 memset(dmae, 0, sizeof(struct dmae_command));
3062
3063                 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3064                                 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3065                                 DMAE_CMD_DST_RESET |
3066 #ifdef __BIG_ENDIAN
3067                                 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3068 #else
3069                                 DMAE_CMD_ENDIANITY_DW_SWAP |
3070 #endif
3071                                 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3072                                                DMAE_CMD_PORT_0) |
3073                                 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3074                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3075                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3076                 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3077                                      sizeof(struct dmae_command) *
3078                                      (loader_idx + 1)) >> 2;
3079                 dmae->dst_addr_hi = 0;
3080                 dmae->len = sizeof(struct dmae_command) >> 2;
3081                 if (CHIP_IS_E1(bp))
3082                         dmae->len--;
3083                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3084                 dmae->comp_addr_hi = 0;
3085                 dmae->comp_val = 1;
3086
3087                 *stats_comp = 0;
3088                 bnx2x_post_dmae(bp, dmae, loader_idx);
3089
3090         } else if (bp->func_stx) {
3091                 *stats_comp = 0;
3092                 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3093         }
3094 }
3095
3096 static int bnx2x_stats_comp(struct bnx2x *bp)
3097 {
3098         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3099         int cnt = 10;
3100
3101         might_sleep();
3102         while (*stats_comp != DMAE_COMP_VAL) {
3103                 if (!cnt) {
3104                         BNX2X_ERR("timeout waiting for stats finished\n");
3105                         break;
3106                 }
3107                 cnt--;
3108                 msleep(1);
3109         }
3110         return 1;
3111 }
3112
3113 /*
3114  * Statistics service functions
3115  */
3116
3117 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3118 {
3119         struct dmae_command *dmae;
3120         u32 opcode;
3121         int loader_idx = PMF_DMAE_C(bp);
3122         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3123
3124         /* sanity */
3125         if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3126                 BNX2X_ERR("BUG!\n");
3127                 return;
3128         }
3129
3130         bp->executer_idx = 0;
3131
3132         opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3133                   DMAE_CMD_C_ENABLE |
3134                   DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3135 #ifdef __BIG_ENDIAN
3136                   DMAE_CMD_ENDIANITY_B_DW_SWAP |
3137 #else
3138                   DMAE_CMD_ENDIANITY_DW_SWAP |
3139 #endif
3140                   (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3141                   (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3142
3143         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3144         dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3145         dmae->src_addr_lo = bp->port.port_stx >> 2;
3146         dmae->src_addr_hi = 0;
3147         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3148         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3149         dmae->len = DMAE_LEN32_RD_MAX;
3150         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3151         dmae->comp_addr_hi = 0;
3152         dmae->comp_val = 1;
3153
3154         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3155         dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3156         dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3157         dmae->src_addr_hi = 0;
3158         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3159                                    DMAE_LEN32_RD_MAX * 4);
3160         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3161                                    DMAE_LEN32_RD_MAX * 4);
3162         dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3163         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3164         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3165         dmae->comp_val = DMAE_COMP_VAL;
3166
3167         *stats_comp = 0;
3168         bnx2x_hw_stats_post(bp);
3169         bnx2x_stats_comp(bp);
3170 }
3171
3172 static void bnx2x_port_stats_init(struct bnx2x *bp)
3173 {
3174         struct dmae_command *dmae;
3175         int port = BP_PORT(bp);
3176         int vn = BP_E1HVN(bp);
3177         u32 opcode;
3178         int loader_idx = PMF_DMAE_C(bp);
3179         u32 mac_addr;
3180         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3181
3182         /* sanity */
3183         if (!bp->link_vars.link_up || !bp->port.pmf) {
3184                 BNX2X_ERR("BUG!\n");
3185                 return;
3186         }
3187
3188         bp->executer_idx = 0;
3189
3190         /* MCP */
3191         opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3192                   DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3193                   DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3194 #ifdef __BIG_ENDIAN
3195                   DMAE_CMD_ENDIANITY_B_DW_SWAP |
3196 #else
3197                   DMAE_CMD_ENDIANITY_DW_SWAP |
3198 #endif
3199                   (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3200                   (vn << DMAE_CMD_E1HVN_SHIFT));
3201
3202         if (bp->port.port_stx) {
3203
3204                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3205                 dmae->opcode = opcode;
3206                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3207                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3208                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3209                 dmae->dst_addr_hi = 0;
3210                 dmae->len = sizeof(struct host_port_stats) >> 2;
3211                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3212                 dmae->comp_addr_hi = 0;
3213                 dmae->comp_val = 1;
3214         }
3215
3216         if (bp->func_stx) {
3217
3218                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3219                 dmae->opcode = opcode;
3220                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3221                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3222                 dmae->dst_addr_lo = bp->func_stx >> 2;
3223                 dmae->dst_addr_hi = 0;
3224                 dmae->len = sizeof(struct host_func_stats) >> 2;
3225                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3226                 dmae->comp_addr_hi = 0;
3227                 dmae->comp_val = 1;
3228         }
3229
3230         /* MAC */
3231         opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3232                   DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3233                   DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3234 #ifdef __BIG_ENDIAN
3235                   DMAE_CMD_ENDIANITY_B_DW_SWAP |
3236 #else
3237                   DMAE_CMD_ENDIANITY_DW_SWAP |
3238 #endif
3239                   (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3240                   (vn << DMAE_CMD_E1HVN_SHIFT));
3241
3242         if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
3243
3244                 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3245                                    NIG_REG_INGRESS_BMAC0_MEM);
3246
3247                 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3248                    BIGMAC_REGISTER_TX_STAT_GTBYT */
3249                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3250                 dmae->opcode = opcode;
3251                 dmae->src_addr_lo = (mac_addr +
3252                                      BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3253                 dmae->src_addr_hi = 0;
3254                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3255                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3256                 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3257                              BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3258                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3259                 dmae->comp_addr_hi = 0;
3260                 dmae->comp_val = 1;
3261
3262                 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3263                    BIGMAC_REGISTER_RX_STAT_GRIPJ */
3264                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3265                 dmae->opcode = opcode;
3266                 dmae->src_addr_lo = (mac_addr +
3267                                      BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3268                 dmae->src_addr_hi = 0;
3269                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3270                                 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3271                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3272                                 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3273                 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3274                              BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3275                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3276                 dmae->comp_addr_hi = 0;
3277                 dmae->comp_val = 1;
3278
3279         } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
3280
3281                 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3282
3283                 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3284                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3285                 dmae->opcode = opcode;
3286                 dmae->src_addr_lo = (mac_addr +
3287                                      EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3288                 dmae->src_addr_hi = 0;
3289                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3290                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3291                 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3292                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3293                 dmae->comp_addr_hi = 0;
3294                 dmae->comp_val = 1;
3295
3296                 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3297                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3298                 dmae->opcode = opcode;
3299                 dmae->src_addr_lo = (mac_addr +
3300                                      EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3301                 dmae->src_addr_hi = 0;
3302                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3303                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3304                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3305                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3306                 dmae->len = 1;
3307                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3308                 dmae->comp_addr_hi = 0;
3309                 dmae->comp_val = 1;
3310
3311                 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3312                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3313                 dmae->opcode = opcode;
3314                 dmae->src_addr_lo = (mac_addr +
3315                                      EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3316                 dmae->src_addr_hi = 0;
3317                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3318                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3319                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3320                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3321                 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3322                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3323                 dmae->comp_addr_hi = 0;
3324                 dmae->comp_val = 1;
3325         }
3326
3327         /* NIG */
3328         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3329         dmae->opcode = opcode;
3330         dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3331                                     NIG_REG_STAT0_BRB_DISCARD) >> 2;
3332         dmae->src_addr_hi = 0;
3333         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3334         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3335         dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3336         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3337         dmae->comp_addr_hi = 0;
3338         dmae->comp_val = 1;
3339
3340         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3341         dmae->opcode = opcode;
3342         dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3343                                     NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3344         dmae->src_addr_hi = 0;
3345         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3346                         offsetof(struct nig_stats, egress_mac_pkt0_lo));
3347         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3348                         offsetof(struct nig_stats, egress_mac_pkt0_lo));
3349         dmae->len = (2*sizeof(u32)) >> 2;
3350         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3351         dmae->comp_addr_hi = 0;
3352         dmae->comp_val = 1;
3353
3354         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3355         dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3356                         DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3357                         DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3358 #ifdef __BIG_ENDIAN
3359                         DMAE_CMD_ENDIANITY_B_DW_SWAP |
3360 #else
3361                         DMAE_CMD_ENDIANITY_DW_SWAP |
3362 #endif
3363                         (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3364                         (vn << DMAE_CMD_E1HVN_SHIFT));
3365         dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3366                                     NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
3367         dmae->src_addr_hi = 0;
3368         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3369                         offsetof(struct nig_stats, egress_mac_pkt1_lo));
3370         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3371                         offsetof(struct nig_stats, egress_mac_pkt1_lo));
3372         dmae->len = (2*sizeof(u32)) >> 2;
3373         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3374         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3375         dmae->comp_val = DMAE_COMP_VAL;
3376
3377         *stats_comp = 0;
3378 }
3379
3380 static void bnx2x_func_stats_init(struct bnx2x *bp)
3381 {
3382         struct dmae_command *dmae = &bp->stats_dmae;
3383         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3384
3385         /* sanity */
3386         if (!bp->func_stx) {
3387                 BNX2X_ERR("BUG!\n");
3388                 return;
3389         }
3390
3391         bp->executer_idx = 0;
3392         memset(dmae, 0, sizeof(struct dmae_command));
3393
3394         dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3395                         DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3396                         DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3397 #ifdef __BIG_ENDIAN
3398                         DMAE_CMD_ENDIANITY_B_DW_SWAP |
3399 #else
3400                         DMAE_CMD_ENDIANITY_DW_SWAP |
3401 #endif
3402                         (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3403                         (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3404         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3405         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3406         dmae->dst_addr_lo = bp->func_stx >> 2;
3407         dmae->dst_addr_hi = 0;
3408         dmae->len = sizeof(struct host_func_stats) >> 2;
3409         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3410         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3411         dmae->comp_val = DMAE_COMP_VAL;
3412
3413         *stats_comp = 0;
3414 }
3415
3416 static void bnx2x_stats_start(struct bnx2x *bp)
3417 {
3418         if (bp->port.pmf)
3419                 bnx2x_port_stats_init(bp);
3420
3421         else if (bp->func_stx)
3422                 bnx2x_func_stats_init(bp);
3423
3424         bnx2x_hw_stats_post(bp);
3425         bnx2x_storm_stats_post(bp);
3426 }
3427
3428 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
3429 {
3430         bnx2x_stats_comp(bp);
3431         bnx2x_stats_pmf_update(bp);
3432         bnx2x_stats_start(bp);
3433 }
3434
3435 static void bnx2x_stats_restart(struct bnx2x *bp)
3436 {
3437         bnx2x_stats_comp(bp);
3438         bnx2x_stats_start(bp);
3439 }
3440
3441 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3442 {
3443         struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3444         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3445         struct regpair diff;
3446
3447         UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3448         UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3449         UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3450         UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3451         UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3452         UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
3453         UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
3454         UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3455         UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3456         UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3457         UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3458         UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3459         UPDATE_STAT64(tx_stat_gt127,
3460                                 tx_stat_etherstatspkts65octetsto127octets);
3461         UPDATE_STAT64(tx_stat_gt255,
3462                                 tx_stat_etherstatspkts128octetsto255octets);
3463         UPDATE_STAT64(tx_stat_gt511,
3464                                 tx_stat_etherstatspkts256octetsto511octets);
3465         UPDATE_STAT64(tx_stat_gt1023,
3466                                 tx_stat_etherstatspkts512octetsto1023octets);
3467         UPDATE_STAT64(tx_stat_gt1518,
3468                                 tx_stat_etherstatspkts1024octetsto1522octets);
3469         UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3470         UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3471         UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3472         UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3473         UPDATE_STAT64(tx_stat_gterr,
3474                                 tx_stat_dot3statsinternalmactransmiterrors);
3475         UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3476 }
3477
3478 static void bnx2x_emac_stats_update(struct bnx2x *bp)
3479 {
3480         struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3481         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3482
3483         UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3484         UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3485         UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3486         UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3487         UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3488         UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3489         UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3490         UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3491         UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3492         UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3493         UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3494         UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3495         UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3496         UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3497         UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3498         UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3499         UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3500         UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3501         UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3502         UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3503         UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3504         UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3505         UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3506         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3507         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3508         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3509         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3510         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3511         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3512         UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3513         UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3514 }
3515
3516 static int bnx2x_hw_stats_update(struct bnx2x *bp)
3517 {
3518         struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3519         struct nig_stats *old = &(bp->port.old_nig_stats);
3520         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3521         struct bnx2x_eth_stats *estats = &bp->eth_stats;
3522         struct regpair diff;
3523
3524         if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3525                 bnx2x_bmac_stats_update(bp);
3526
3527         else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3528                 bnx2x_emac_stats_update(bp);
3529
3530         else { /* unreached */
3531                 BNX2X_ERR("stats updated by dmae but no MAC active\n");
3532                 return -1;
3533         }
3534
3535         ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3536                       new->brb_discard - old->brb_discard);
3537         ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3538                       new->brb_truncate - old->brb_truncate);
3539
3540         UPDATE_STAT64_NIG(egress_mac_pkt0,
3541                                         etherstatspkts1024octetsto1522octets);
3542         UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
3543
3544         memcpy(old, new, sizeof(struct nig_stats));
3545
3546         memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3547                sizeof(struct mac_stx));
3548         estats->brb_drop_hi = pstats->brb_drop_hi;
3549         estats->brb_drop_lo = pstats->brb_drop_lo;
3550
3551         pstats->host_port_stats_start = ++pstats->host_port_stats_end;
3552
3553         return 0;
3554 }
3555
3556 static int bnx2x_storm_stats_update(struct bnx2x *bp)
3557 {
3558         struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3559         int cl_id = BP_CL_ID(bp);
3560         struct tstorm_per_port_stats *tport =
3561                                 &stats->tstorm_common.port_statistics;
3562         struct tstorm_per_client_stats *tclient =
3563                         &stats->tstorm_common.client_statistics[cl_id];
3564         struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3565         struct xstorm_per_client_stats *xclient =
3566                         &stats->xstorm_common.client_statistics[cl_id];
3567         struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3568         struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3569         struct bnx2x_eth_stats *estats = &bp->eth_stats;
3570         u32 diff;
3571
3572         /* are storm stats valid? */
3573         if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3574                                                         bp->stats_counter) {
3575                 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3576                    "  tstorm counter (%d) != stats_counter (%d)\n",
3577                    tclient->stats_counter, bp->stats_counter);
3578                 return -1;
3579         }
3580         if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3581                                                         bp->stats_counter) {
3582                 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3583                    "  xstorm counter (%d) != stats_counter (%d)\n",
3584                    xclient->stats_counter, bp->stats_counter);
3585                 return -2;
3586         }
3587
3588         fstats->total_bytes_received_hi =
3589         fstats->valid_bytes_received_hi =
3590                                 le32_to_cpu(tclient->total_rcv_bytes.hi);
3591         fstats->total_bytes_received_lo =
3592         fstats->valid_bytes_received_lo =
3593                                 le32_to_cpu(tclient->total_rcv_bytes.lo);
3594
3595         estats->error_bytes_received_hi =
3596                                 le32_to_cpu(tclient->rcv_error_bytes.hi);
3597         estats->error_bytes_received_lo =
3598                                 le32_to_cpu(tclient->rcv_error_bytes.lo);
3599         ADD_64(estats->error_bytes_received_hi,
3600                estats->rx_stat_ifhcinbadoctets_hi,
3601                estats->error_bytes_received_lo,
3602                estats->rx_stat_ifhcinbadoctets_lo);
3603
3604         ADD_64(fstats->total_bytes_received_hi,
3605                estats->error_bytes_received_hi,
3606                fstats->total_bytes_received_lo,
3607                estats->error_bytes_received_lo);
3608
3609         UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3610         UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3611                                 total_multicast_packets_received);
3612         UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3613                                 total_broadcast_packets_received);
3614
3615         fstats->total_bytes_transmitted_hi =
3616                                 le32_to_cpu(xclient->total_sent_bytes.hi);
3617         fstats->total_bytes_transmitted_lo =
3618                                 le32_to_cpu(xclient->total_sent_bytes.lo);
3619
3620         UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3621                                 total_unicast_packets_transmitted);
3622         UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3623                                 total_multicast_packets_transmitted);
3624         UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3625                                 total_broadcast_packets_transmitted);
3626
3627         memcpy(estats, &(fstats->total_bytes_received_hi),
3628                sizeof(struct host_func_stats) - 2*sizeof(u32));
3629
3630         estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3631         estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3632         estats->brb_truncate_discard =
3633                                 le32_to_cpu(tport->brb_truncate_discard);
3634         estats->mac_discard = le32_to_cpu(tport->mac_discard);
3635
3636         old_tclient->rcv_unicast_bytes.hi =
3637                                 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3638         old_tclient->rcv_unicast_bytes.lo =
3639                                 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3640         old_tclient->rcv_broadcast_bytes.hi =
3641                                 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3642         old_tclient->rcv_broadcast_bytes.lo =
3643                                 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3644         old_tclient->rcv_multicast_bytes.hi =
3645                                 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3646         old_tclient->rcv_multicast_bytes.lo =
3647                                 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3648         old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3649
3650         old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3651         old_tclient->packets_too_big_discard =
3652                                 le32_to_cpu(tclient->packets_too_big_discard);
3653         estats->no_buff_discard =
3654         old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3655         old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3656
3657         old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3658         old_xclient->unicast_bytes_sent.hi =
3659                                 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3660         old_xclient->unicast_bytes_sent.lo =
3661                                 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3662         old_xclient->multicast_bytes_sent.hi =
3663                                 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3664         old_xclient->multicast_bytes_sent.lo =
3665                                 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3666         old_xclient->broadcast_bytes_sent.hi =
3667                                 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3668         old_xclient->broadcast_bytes_sent.lo =
3669                                 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3670
3671         fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3672
3673         return 0;
3674 }
3675
3676 static void bnx2x_net_stats_update(struct bnx2x *bp)
3677 {
3678         struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3679         struct bnx2x_eth_stats *estats = &bp->eth_stats;
3680         struct net_device_stats *nstats = &bp->dev->stats;
3681
3682         nstats->rx_packets =
3683                 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3684                 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3685                 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3686
3687         nstats->tx_packets =
3688                 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3689                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3690                 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3691
3692         nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
3693
3694         nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
3695
3696         nstats->rx_dropped = old_tclient->checksum_discard +
3697                              estats->mac_discard;
3698         nstats->tx_dropped = 0;
3699
3700         nstats->multicast =
3701                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3702
3703         nstats->collisions =
3704                         estats->tx_stat_dot3statssinglecollisionframes_lo +
3705                         estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3706                         estats->tx_stat_dot3statslatecollisions_lo +
3707                         estats->tx_stat_dot3statsexcessivecollisions_lo;
3708
3709         estats->jabber_packets_received =
3710                                 old_tclient->packets_too_big_discard +
3711                                 estats->rx_stat_dot3statsframestoolong_lo;
3712
3713         nstats->rx_length_errors =
3714                                 estats->rx_stat_etherstatsundersizepkts_lo +
3715                                 estats->jabber_packets_received;
3716         nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
3717         nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3718         nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3719         nstats->rx_fifo_errors = old_tclient->no_buff_discard;
3720         nstats->rx_missed_errors = estats->xxoverflow_discard;
3721
3722         nstats->rx_errors = nstats->rx_length_errors +
3723                             nstats->rx_over_errors +
3724                             nstats->rx_crc_errors +
3725                             nstats->rx_frame_errors +
3726                             nstats->rx_fifo_errors +
3727                             nstats->rx_missed_errors;
3728
3729         nstats->tx_aborted_errors =
3730                         estats->tx_stat_dot3statslatecollisions_lo +
3731                         estats->tx_stat_dot3statsexcessivecollisions_lo;
3732         nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
3733         nstats->tx_fifo_errors = 0;
3734         nstats->tx_heartbeat_errors = 0;
3735         nstats->tx_window_errors = 0;
3736
3737         nstats->tx_errors = nstats->tx_aborted_errors +
3738                             nstats->tx_carrier_errors;
3739 }
3740
3741 static void bnx2x_stats_update(struct bnx2x *bp)
3742 {
3743         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3744         int update = 0;
3745
3746         if (*stats_comp != DMAE_COMP_VAL)
3747                 return;
3748
3749         if (bp->port.pmf)
3750                 update = (bnx2x_hw_stats_update(bp) == 0);
3751
3752         update |= (bnx2x_storm_stats_update(bp) == 0);
3753
3754         if (update)
3755                 bnx2x_net_stats_update(bp);
3756
3757         else {
3758                 if (bp->stats_pending) {
3759                         bp->stats_pending++;
3760                         if (bp->stats_pending == 3) {
3761                                 BNX2X_ERR("stats not updated for 3 times\n");
3762                                 bnx2x_panic();
3763                                 return;
3764                         }
3765                 }
3766         }
3767
3768         if (bp->msglevel & NETIF_MSG_TIMER) {
3769                 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3770                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3771                 struct net_device_stats *nstats = &bp->dev->stats;
3772                 int i;
3773
3774                 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3775                 printk(KERN_DEBUG "  tx avail (%4x)  tx hc idx (%x)"
3776                                   "  tx pkt (%lx)\n",
3777                        bnx2x_tx_avail(bp->fp),
3778                        le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
3779                 printk(KERN_DEBUG "  rx usage (%4x)  rx hc idx (%x)"
3780                                   "  rx pkt (%lx)\n",
3781                        (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3782                              bp->fp->rx_comp_cons),
3783                        le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
3784                 printk(KERN_DEBUG "  %s (Xoff events %u)  brb drops %u\n",
3785                        netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
3786                        estats->driver_xoff, estats->brb_drop_lo);
3787                 printk(KERN_DEBUG "tstats: checksum_discard %u  "
3788                         "packets_too_big_discard %u  no_buff_discard %u  "
3789                         "mac_discard %u  mac_filter_discard %u  "
3790                         "xxovrflow_discard %u  brb_truncate_discard %u  "
3791                         "ttl0_discard %u\n",
3792                        old_tclient->checksum_discard,
3793                        old_tclient->packets_too_big_discard,
3794                        old_tclient->no_buff_discard, estats->mac_discard,
3795                        estats->mac_filter_discard, estats->xxoverflow_discard,
3796                        estats->brb_truncate_discard,
3797                        old_tclient->ttl0_discard);
3798
3799                 for_each_queue(bp, i) {
3800                         printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3801                                bnx2x_fp(bp, i, tx_pkt),
3802                                bnx2x_fp(bp, i, rx_pkt),
3803                                bnx2x_fp(bp, i, rx_calls));
3804                 }
3805         }
3806
3807         bnx2x_hw_stats_post(bp);
3808         bnx2x_storm_stats_post(bp);
3809 }
3810
3811 static void bnx2x_port_stats_stop(struct bnx2x *bp)
3812 {
3813         struct dmae_command *dmae;
3814         u32 opcode;
3815         int loader_idx = PMF_DMAE_C(bp);
3816         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3817
3818         bp->executer_idx = 0;
3819
3820         opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3821                   DMAE_CMD_C_ENABLE |
3822                   DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3823 #ifdef __BIG_ENDIAN
3824                   DMAE_CMD_ENDIANITY_B_DW_SWAP |
3825 #else
3826                   DMAE_CMD_ENDIANITY_DW_SWAP |
3827 #endif
3828                   (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3829                   (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3830
3831         if (bp->port.port_stx) {
3832
3833                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3834                 if (bp->func_stx)
3835                         dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3836                 else
3837                         dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3838                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3839                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3840                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3841                 dmae->dst_addr_hi = 0;
3842                 dmae->len = sizeof(struct host_port_stats) >> 2;
3843                 if (bp->func_stx) {
3844                         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3845                         dmae->comp_addr_hi = 0;
3846                         dmae->comp_val = 1;
3847                 } else {
3848                         dmae->comp_addr_lo =
3849                                 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3850                         dmae->comp_addr_hi =
3851                                 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3852                         dmae->comp_val = DMAE_COMP_VAL;
3853
3854                         *stats_comp = 0;
3855                 }
3856         }
3857
3858         if (bp->func_stx) {
3859
3860                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3861                 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3862                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3863                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3864                 dmae->dst_addr_lo = bp->func_stx >> 2;
3865                 dmae->dst_addr_hi = 0;
3866                 dmae->len = sizeof(struct host_func_stats) >> 2;
3867                 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3868                 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3869                 dmae->comp_val = DMAE_COMP_VAL;
3870
3871                 *stats_comp = 0;
3872         }
3873 }
3874
3875 static void bnx2x_stats_stop(struct bnx2x *bp)
3876 {
3877         int update = 0;
3878
3879         bnx2x_stats_comp(bp);
3880
3881         if (bp->port.pmf)
3882                 update = (bnx2x_hw_stats_update(bp) == 0);
3883
3884         update |= (bnx2x_storm_stats_update(bp) == 0);
3885
3886         if (update) {
3887                 bnx2x_net_stats_update(bp);
3888
3889                 if (bp->port.pmf)
3890                         bnx2x_port_stats_stop(bp);
3891
3892                 bnx2x_hw_stats_post(bp);
3893                 bnx2x_stats_comp(bp);
3894         }
3895 }
3896
3897 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3898 {
3899 }
3900
3901 static const struct {
3902         void (*action)(struct bnx2x *bp);
3903         enum bnx2x_stats_state next_state;
3904 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3905 /* state        event   */
3906 {
3907 /* DISABLED     PMF     */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3908 /*              LINK_UP */ {bnx2x_stats_start,      STATS_STATE_ENABLED},
3909 /*              UPDATE  */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3910 /*              STOP    */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3911 },
3912 {
3913 /* ENABLED      PMF     */ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
3914 /*              LINK_UP */ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
3915 /*              UPDATE  */ {bnx2x_stats_update,     STATS_STATE_ENABLED},
3916 /*              STOP    */ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
3917 }
3918 };
3919
3920 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3921 {
3922         enum bnx2x_stats_state state = bp->stats_state;
3923
3924         bnx2x_stats_stm[state][event].action(bp);
3925         bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3926
3927         if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3928                 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3929                    state, event, bp->stats_state);
3930 }
3931
3932 static void bnx2x_timer(unsigned long data)
3933 {
3934         struct bnx2x *bp = (struct bnx2x *) data;
3935
3936         if (!netif_running(bp->dev))
3937                 return;
3938
3939         if (atomic_read(&bp->intr_sem) != 0)
3940                 goto timer_restart;
3941
3942         if (poll) {
3943                 struct bnx2x_fastpath *fp = &bp->fp[0];
3944                 int rc;
3945
3946                 bnx2x_tx_int(fp, 1000);
3947                 rc = bnx2x_rx_int(fp, 1000);
3948         }
3949
3950         if (!BP_NOMCP(bp)) {
3951                 int func = BP_FUNC(bp);
3952                 u32 drv_pulse;
3953                 u32 mcp_pulse;
3954
3955                 ++bp->fw_drv_pulse_wr_seq;
3956                 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3957                 /* TBD - add SYSTEM_TIME */
3958                 drv_pulse = bp->fw_drv_pulse_wr_seq;
3959                 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
3960
3961                 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
3962                              MCP_PULSE_SEQ_MASK);
3963                 /* The delta between driver pulse and mcp response
3964                  * should be 1 (before mcp response) or 0 (after mcp response)
3965                  */
3966                 if ((drv_pulse != mcp_pulse) &&
3967                     (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3968                         /* someone lost a heartbeat... */
3969                         BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3970                                   drv_pulse, mcp_pulse);
3971                 }
3972         }
3973
3974         if ((bp->state == BNX2X_STATE_OPEN) ||
3975             (bp->state == BNX2X_STATE_DISABLED))
3976                 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
3977
3978 timer_restart:
3979         mod_timer(&bp->timer, jiffies + bp->current_interval);
3980 }
3981
3982 /* end of Statistics */
3983
3984 /* nic init */
3985
3986 /*
3987  * nic init service functions
3988  */
3989
3990 static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
3991 {
3992         int port = BP_PORT(bp);
3993
3994         bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
3995                         USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3996                         sizeof(struct ustorm_status_block)/4);
3997         bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
3998                         CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3999                         sizeof(struct cstorm_status_block)/4);
4000 }
4001
4002 static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4003                           dma_addr_t mapping, int sb_id)
4004 {
4005         int port = BP_PORT(bp);
4006         int func = BP_FUNC(bp);
4007         int index;
4008         u64 section;
4009
4010         /* USTORM */
4011         section = ((u64)mapping) + offsetof(struct host_status_block,
4012                                             u_status_block);
4013         sb->u_status_block.status_block_id = sb_id;
4014
4015         REG_WR(bp, BAR_USTRORM_INTMEM +
4016                USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4017         REG_WR(bp, BAR_USTRORM_INTMEM +
4018                ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4019                U64_HI(section));
4020         REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4021                 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4022
4023         for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4024                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4025                          USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4026
4027         /* CSTORM */
4028         section = ((u64)mapping) + offsetof(struct host_status_block,
4029                                             c_status_block);
4030         sb->c_status_block.status_block_id = sb_id;
4031
4032         REG_WR(bp, BAR_CSTRORM_INTMEM +
4033                CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4034         REG_WR(bp, BAR_CSTRORM_INTMEM +
4035                ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4036                U64_HI(section));
4037         REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4038                 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4039
4040         for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4041                 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4042                          CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4043
4044         bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4045 }
4046
4047 static void bnx2x_zero_def_sb(struct bnx2x *bp)
4048 {
4049         int func = BP_FUNC(bp);
4050
4051         bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4052                         USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4053                         sizeof(struct ustorm_def_status_block)/4);
4054         bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4055                         CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4056                         sizeof(struct cstorm_def_status_block)/4);
4057         bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4058                         XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4059                         sizeof(struct xstorm_def_status_block)/4);
4060         bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4061                         TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4062                         sizeof(struct tstorm_def_status_block)/4);
4063 }
4064
4065 static void bnx2x_init_def_sb(struct bnx2x *bp,
4066                               struct host_def_status_block *def_sb,
4067                               dma_addr_t mapping, int sb_id)
4068 {
4069         int port = BP_PORT(bp);
4070         int func = BP_FUNC(bp);
4071         int index, val, reg_offset;
4072         u64 section;
4073
4074         /* ATTN */
4075         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4076                                             atten_status_block);
4077         def_sb->atten_status_block.status_block_id = sb_id;
4078
4079         bp->attn_state = 0;
4080
4081         reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4082                              MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4083
4084         for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4085                 bp->attn_group[index].sig[0] = REG_RD(bp,
4086                                                      reg_offset + 0x10*index);
4087                 bp->attn_group[index].sig[1] = REG_RD(bp,
4088                                                reg_offset + 0x4 + 0x10*index);
4089                 bp->attn_group[index].sig[2] = REG_RD(bp,
4090                                                reg_offset + 0x8 + 0x10*index);
4091                 bp->attn_group[index].sig[3] = REG_RD(bp,
4092                                                reg_offset + 0xc + 0x10*index);
4093         }
4094
4095         reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4096                              HC_REG_ATTN_MSG0_ADDR_L);
4097
4098         REG_WR(bp, reg_offset, U64_LO(section));
4099         REG_WR(bp, reg_offset + 4, U64_HI(section));
4100
4101         reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4102
4103         val = REG_RD(bp, reg_offset);
4104         val |= sb_id;
4105         REG_WR(bp, reg_offset, val);
4106
4107         /* USTORM */
4108         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4109                                             u_def_status_block);
4110         def_sb->u_def_status_block.status_block_id = sb_id;
4111
4112         REG_WR(bp, BAR_USTRORM_INTMEM +
4113                USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4114         REG_WR(bp, BAR_USTRORM_INTMEM +
4115                ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4116                U64_HI(section));
4117         REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4118                 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4119
4120         for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4121                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4122                          USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4123
4124         /* CSTORM */
4125         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4126                                             c_def_status_block);
4127         def_sb->c_def_status_block.status_block_id = sb_id;
4128
4129         REG_WR(bp, BAR_CSTRORM_INTMEM +
4130                CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4131         REG_WR(bp, BAR_CSTRORM_INTMEM +
4132                ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4133                U64_HI(section));
4134         REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4135                 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4136
4137         for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4138                 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4139                          CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4140
4141         /* TSTORM */
4142         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4143                                             t_def_status_block);
4144         def_sb->t_def_status_block.status_block_id = sb_id;
4145
4146         REG_WR(bp, BAR_TSTRORM_INTMEM +
4147                TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4148         REG_WR(bp, BAR_TSTRORM_INTMEM +
4149                ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4150                U64_HI(section));
4151         REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4152                 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4153
4154         for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4155                 REG_WR16(bp, BAR_TSTRORM_INTMEM +
4156                          TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4157
4158         /* XSTORM */
4159         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4160                                             x_def_status_block);
4161         def_sb->x_def_status_block.status_block_id = sb_id;
4162
4163         REG_WR(bp, BAR_XSTRORM_INTMEM +
4164                XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4165         REG_WR(bp, BAR_XSTRORM_INTMEM +
4166                ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4167                U64_HI(section));
4168         REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4169                 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4170
4171         for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4172                 REG_WR16(bp, BAR_XSTRORM_INTMEM +
4173                          XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4174
4175         bp->stats_pending = 0;
4176         bp->set_mac_pending = 0;
4177
4178         bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4179 }
4180
4181 static void bnx2x_update_coalesce(struct bnx2x *bp)
4182 {
4183         int port = BP_PORT(bp);
4184         int i;
4185
4186         for_each_queue(bp, i) {
4187                 int sb_id = bp->fp[i].sb_id;
4188
4189                 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4190                 REG_WR8(bp, BAR_USTRORM_INTMEM +
4191                         USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4192                                                     U_SB_ETH_RX_CQ_INDEX),
4193                         bp->rx_ticks/12);
4194                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4195                          USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4196                                                      U_SB_ETH_RX_CQ_INDEX),
4197                          bp->rx_ticks ? 0 : 1);
4198                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4199                          USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4200                                                      U_SB_ETH_RX_BD_INDEX),
4201                          bp->rx_ticks ? 0 : 1);
4202
4203                 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4204                 REG_WR8(bp, BAR_CSTRORM_INTMEM +
4205                         CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4206                                                     C_SB_ETH_TX_CQ_INDEX),
4207                         bp->tx_ticks/12);
4208                 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4209                          CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4210                                                      C_SB_ETH_TX_CQ_INDEX),
4211                          bp->tx_ticks ? 0 : 1);
4212         }
4213 }
4214
4215 static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4216                                        struct bnx2x_fastpath *fp, int last)
4217 {
4218         int i;
4219
4220         for (i = 0; i < last; i++) {
4221                 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4222                 struct sk_buff *skb = rx_buf->skb;
4223
4224                 if (skb == NULL) {
4225                         DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4226                         continue;
4227                 }
4228
4229                 if (fp->tpa_state[i] == BNX2X_TPA_START)
4230                         pci_unmap_single(bp->pdev,
4231                                          pci_unmap_addr(rx_buf, mapping),
4232                                          bp->rx_buf_use_size,
4233                                          PCI_DMA_FROMDEVICE);
4234
4235                 dev_kfree_skb(skb);
4236                 rx_buf->skb = NULL;
4237         }
4238 }
4239
4240 static void bnx2x_init_rx_rings(struct bnx2x *bp)
4241 {
4242         int func = BP_FUNC(bp);
4243         int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4244                                               ETH_MAX_AGGREGATION_QUEUES_E1H;
4245         u16 ring_prod, cqe_ring_prod;
4246         int i, j;
4247
4248         bp->rx_buf_use_size = bp->dev->mtu;
4249         bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD;
4250         bp->rx_buf_size = bp->rx_buf_use_size + 64;
4251
4252         if (bp->flags & TPA_ENABLE_FLAG) {
4253                 DP(NETIF_MSG_IFUP,
4254                    "rx_buf_use_size %d  rx_buf_size %d  effective_mtu %d\n",
4255                    bp->rx_buf_use_size, bp->rx_buf_size,
4256                    bp->dev->mtu + ETH_OVREHEAD);
4257
4258                 for_each_queue(bp, j) {
4259                         struct bnx2x_fastpath *fp = &bp->fp[j];
4260
4261                         for (i = 0; i < max_agg_queues; i++) {
4262                                 fp->tpa_pool[i].skb =
4263                                    netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4264                                 if (!fp->tpa_pool[i].skb) {
4265                                         BNX2X_ERR("Failed to allocate TPA "
4266                                                   "skb pool for queue[%d] - "
4267                                                   "disabling TPA on this "
4268                                                   "queue!\n", j);
4269                                         bnx2x_free_tpa_pool(bp, fp, i);
4270                                         fp->disable_tpa = 1;
4271                                         break;
4272                                 }
4273                                 pci_unmap_addr_set((struct sw_rx_bd *)
4274                                                         &bp->fp->tpa_pool[i],
4275                                                    mapping, 0);
4276                                 fp->tpa_state[i] = BNX2X_TPA_STOP;
4277                         }
4278                 }
4279         }
4280
4281         for_each_queue(bp, j) {
4282                 struct bnx2x_fastpath *fp = &bp->fp[j];
4283
4284                 fp->rx_bd_cons = 0;
4285                 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4286                 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
4287
4288                 /* "next page" elements initialization */
4289                 /* SGE ring */
4290                 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4291                         struct eth_rx_sge *sge;
4292
4293                         sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4294                         sge->addr_hi =
4295                                 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4296                                         BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4297                         sge->addr_lo =
4298                                 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4299                                         BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4300                 }
4301
4302                 bnx2x_init_sge_ring_bit_mask(fp);
4303
4304                 /* RX BD ring */
4305                 for (i = 1; i <= NUM_RX_RINGS; i++) {
4306                         struct eth_rx_bd *rx_bd;
4307
4308                         rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4309                         rx_bd->addr_hi =
4310                                 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
4311                                             BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4312                         rx_bd->addr_lo =
4313                                 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
4314                                             BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4315                 }
4316
4317                 /* CQ ring */
4318                 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4319                         struct eth_rx_cqe_next_page *nextpg;
4320
4321                         nextpg = (struct eth_rx_cqe_next_page *)
4322                                 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4323                         nextpg->addr_hi =
4324                                 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
4325                                            BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4326                         nextpg->addr_lo =
4327                                 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
4328                                            BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4329                 }
4330
4331                 /* Allocate SGEs and initialize the ring elements */
4332                 for (i = 0, ring_prod = 0;
4333                      i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
4334
4335                         if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4336                                 BNX2X_ERR("was only able to allocate "
4337                                           "%d rx sges\n", i);
4338                                 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4339                                 /* Cleanup already allocated elements */
4340                                 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
4341                                 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
4342                                 fp->disable_tpa = 1;
4343                                 ring_prod = 0;
4344                                 break;
4345                         }
4346                         ring_prod = NEXT_SGE_IDX(ring_prod);
4347                 }
4348                 fp->rx_sge_prod = ring_prod;
4349
4350                 /* Allocate BDs and initialize BD ring */
4351                 fp->rx_comp_cons = 0;
4352                 cqe_ring_prod = ring_prod = 0;
4353                 for (i = 0; i < bp->rx_ring_size; i++) {
4354                         if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4355                                 BNX2X_ERR("was only able to allocate "
4356                                           "%d rx skbs\n", i);
4357                                 bp->eth_stats.rx_skb_alloc_failed++;
4358                                 break;
4359                         }
4360                         ring_prod = NEXT_RX_IDX(ring_prod);
4361                         cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
4362                         WARN_ON(ring_prod <= i);
4363                 }
4364
4365                 fp->rx_bd_prod = ring_prod;
4366                 /* must not have more available CQEs than BDs */
4367                 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4368                                        cqe_ring_prod);
4369                 fp->rx_pkt = fp->rx_calls = 0;
4370
4371                 /* Warning!
4372                  * this will generate an interrupt (to the TSTORM)
4373                  * must only be done after chip is initialized
4374                  */
4375                 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4376                                      fp->rx_sge_prod);
4377                 if (j != 0)
4378                         continue;
4379
4380                 REG_WR(bp, BAR_USTRORM_INTMEM +
4381                        USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
4382                        U64_LO(fp->rx_comp_mapping));
4383                 REG_WR(bp, BAR_USTRORM_INTMEM +
4384                        USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
4385                        U64_HI(fp->rx_comp_mapping));
4386         }
4387 }
4388
4389 static void bnx2x_init_tx_ring(struct bnx2x *bp)
4390 {
4391         int i, j;
4392
4393         for_each_queue(bp, j) {
4394                 struct bnx2x_fastpath *fp = &bp->fp[j];
4395
4396                 for (i = 1; i <= NUM_TX_RINGS; i++) {
4397                         struct eth_tx_bd *tx_bd =
4398                                 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4399
4400                         tx_bd->addr_hi =
4401                                 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
4402                                             BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4403                         tx_bd->addr_lo =
4404                                 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
4405                                             BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4406                 }
4407
4408                 fp->tx_pkt_prod = 0;
4409                 fp->tx_pkt_cons = 0;
4410                 fp->tx_bd_prod = 0;
4411                 fp->tx_bd_cons = 0;
4412                 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4413                 fp->tx_pkt = 0;
4414         }
4415 }
4416
4417 static void bnx2x_init_sp_ring(struct bnx2x *bp)
4418 {
4419         int func = BP_FUNC(bp);
4420
4421         spin_lock_init(&bp->spq_lock);
4422
4423         bp->spq_left = MAX_SPQ_PENDING;
4424         bp->spq_prod_idx = 0;
4425         bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4426         bp->spq_prod_bd = bp->spq;
4427         bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4428
4429         REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
4430                U64_LO(bp->spq_mapping));
4431         REG_WR(bp,
4432                XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
4433                U64_HI(bp->spq_mapping));
4434
4435         REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
4436                bp->spq_prod_idx);
4437 }
4438
4439 static void bnx2x_init_context(struct bnx2x *bp)
4440 {
4441         int i;
4442
4443         for_each_queue(bp, i) {
4444                 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4445                 struct bnx2x_fastpath *fp = &bp->fp[i];
4446                 u8 sb_id = FP_SB_ID(fp);
4447
4448                 context->xstorm_st_context.tx_bd_page_base_hi =
4449                                                 U64_HI(fp->tx_desc_mapping);
4450                 context->xstorm_st_context.tx_bd_page_base_lo =
4451                                                 U64_LO(fp->tx_desc_mapping);
4452                 context->xstorm_st_context.db_data_addr_hi =
4453                                                 U64_HI(fp->tx_prods_mapping);
4454                 context->xstorm_st_context.db_data_addr_lo =
4455                                                 U64_LO(fp->tx_prods_mapping);
4456                 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4457                                 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
4458
4459                 context->ustorm_st_context.common.sb_index_numbers =
4460                                                 BNX2X_RX_SB_INDEX_NUM;
4461                 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4462                 context->ustorm_st_context.common.status_block_id = sb_id;
4463                 context->ustorm_st_context.common.flags =
4464                         USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
4465                 context->ustorm_st_context.common.mc_alignment_size = 64;
4466                 context->ustorm_st_context.common.bd_buff_size =
4467                                                 bp->rx_buf_use_size;
4468                 context->ustorm_st_context.common.bd_page_base_hi =
4469                                                 U64_HI(fp->rx_desc_mapping);
4470                 context->ustorm_st_context.common.bd_page_base_lo =
4471                                                 U64_LO(fp->rx_desc_mapping);
4472                 if (!fp->disable_tpa) {
4473                         context->ustorm_st_context.common.flags |=
4474                                 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4475                                  USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4476                         context->ustorm_st_context.common.sge_buff_size =
4477                                         (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4478                         context->ustorm_st_context.common.sge_page_base_hi =
4479                                                 U64_HI(fp->rx_sge_mapping);
4480                         context->ustorm_st_context.common.sge_page_base_lo =
4481                                                 U64_LO(fp->rx_sge_mapping);
4482                 }
4483
4484                 context->cstorm_st_context.sb_index_number =
4485                                                 C_SB_ETH_TX_CQ_INDEX;
4486                 context->cstorm_st_context.status_block_id = sb_id;
4487
4488                 context->xstorm_ag_context.cdu_reserved =
4489                         CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4490                                                CDU_REGION_NUMBER_XCM_AG,
4491                                                ETH_CONNECTION_TYPE);
4492                 context->ustorm_ag_context.cdu_usage =
4493                         CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4494                                                CDU_REGION_NUMBER_UCM_AG,
4495                                                ETH_CONNECTION_TYPE);
4496         }
4497 }
4498
4499 static void bnx2x_init_ind_table(struct bnx2x *bp)
4500 {
4501         int port = BP_PORT(bp);
4502         int i;
4503
4504         if (!is_multi(bp))
4505                 return;
4506
4507         DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
4508         for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4509                 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4510                         TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
4511                         i % bp->num_queues);
4512
4513         REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4514 }
4515
4516 static void bnx2x_set_client_config(struct bnx2x *bp)
4517 {
4518         struct tstorm_eth_client_config tstorm_client = {0};
4519         int port = BP_PORT(bp);
4520         int i;
4521
4522         tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
4523         tstorm_client.statistics_counter_id = BP_CL_ID(bp);
4524         tstorm_client.config_flags =
4525                                 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4526 #ifdef BCM_VLAN
4527         if (bp->rx_mode && bp->vlgrp) {
4528                 tstorm_client.config_flags |=
4529                                 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4530                 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4531         }
4532 #endif
4533
4534         if (bp->flags & TPA_ENABLE_FLAG) {
4535                 tstorm_client.max_sges_for_packet =
4536                         BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4537                 tstorm_client.max_sges_for_packet =
4538                         ((tstorm_client.max_sges_for_packet +
4539                           PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4540                         PAGES_PER_SGE_SHIFT;
4541
4542                 tstorm_client.config_flags |=
4543                                 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4544         }
4545
4546         for_each_queue(bp, i) {
4547                 REG_WR(bp, BAR_TSTRORM_INTMEM +
4548                        TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
4549                        ((u32 *)&tstorm_client)[0]);
4550                 REG_WR(bp, BAR_TSTRORM_INTMEM +
4551                        TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
4552                        ((u32 *)&tstorm_client)[1]);
4553         }
4554
4555         DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4556            ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
4557 }
4558
4559 static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4560 {
4561         struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
4562         int mode = bp->rx_mode;
4563         int mask = (1 << BP_L_ID(bp));
4564         int func = BP_FUNC(bp);
4565         int i;
4566
4567         DP(NETIF_MSG_IFUP, "rx mode %d  mask 0x%x\n", mode, mask);
4568
4569         switch (mode) {
4570         case BNX2X_RX_MODE_NONE: /* no Rx */
4571                 tstorm_mac_filter.ucast_drop_all = mask;
4572                 tstorm_mac_filter.mcast_drop_all = mask;
4573                 tstorm_mac_filter.bcast_drop_all = mask;
4574                 break;
4575         case BNX2X_RX_MODE_NORMAL:
4576                 tstorm_mac_filter.bcast_accept_all = mask;
4577                 break;
4578         case BNX2X_RX_MODE_ALLMULTI:
4579                 tstorm_mac_filter.mcast_accept_all = mask;
4580                 tstorm_mac_filter.bcast_accept_all = mask;
4581                 break;
4582         case BNX2X_RX_MODE_PROMISC:
4583                 tstorm_mac_filter.ucast_accept_all = mask;
4584                 tstorm_mac_filter.mcast_accept_all = mask;
4585                 tstorm_mac_filter.bcast_accept_all = mask;
4586                 break;
4587         default:
4588                 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4589                 break;
4590         }
4591
4592         for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4593                 REG_WR(bp, BAR_TSTRORM_INTMEM +
4594                        TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
4595                        ((u32 *)&tstorm_mac_filter)[i]);
4596
4597 /*              DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
4598                    ((u32 *)&tstorm_mac_filter)[i]); */
4599         }
4600
4601         if (mode != BNX2X_RX_MODE_NONE)
4602                 bnx2x_set_client_config(bp);
4603 }
4604
4605 static void bnx2x_init_internal_common(struct bnx2x *bp)
4606 {
4607         int i;
4608
4609         if (bp->flags & TPA_ENABLE_FLAG) {
4610                 struct tstorm_eth_tpa_exist tpa = {0};
4611
4612                 tpa.tpa_exist = 1;
4613
4614                 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
4615                        ((u32 *)&tpa)[0]);
4616                 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
4617                        ((u32 *)&tpa)[1]);
4618         }
4619
4620         /* Zero this manually as its initialization is
4621            currently missing in the initTool */
4622         for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4623                 REG_WR(bp, BAR_USTRORM_INTMEM +
4624                        USTORM_AGG_DATA_OFFSET + i * 4, 0);
4625 }
4626
4627 static void bnx2x_init_internal_port(struct bnx2x *bp)
4628 {
4629         int port = BP_PORT(bp);
4630
4631         REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4632         REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4633         REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4634         REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4635 }
4636
4637 static void bnx2x_init_internal_func(struct bnx2x *bp)
4638 {
4639         struct tstorm_eth_function_common_config tstorm_config = {0};
4640         struct stats_indication_flags stats_flags = {0};
4641         int port = BP_PORT(bp);
4642         int func = BP_FUNC(bp);
4643         int i;
4644         u16 max_agg_size;
4645
4646         if (is_multi(bp)) {
4647                 tstorm_config.config_flags = MULTI_FLAGS;
4648                 tstorm_config.rss_result_mask = MULTI_MASK;
4649         }
4650
4651         tstorm_config.leading_client_id = BP_L_ID(bp);
4652
4653         REG_WR(bp, BAR_TSTRORM_INTMEM +
4654                TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
4655                (*(u32 *)&tstorm_config));
4656
4657         bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
4658         bnx2x_set_storm_rx_mode(bp);
4659
4660         /* reset xstorm per client statistics */
4661         for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4662                 REG_WR(bp, BAR_XSTRORM_INTMEM +
4663                        XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4664                        i*4, 0);
4665         }
4666         /* reset tstorm per client statistics */
4667         for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4668                 REG_WR(bp, BAR_TSTRORM_INTMEM +
4669                        TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4670                        i*4, 0);
4671         }
4672
4673         /* Init statistics related context */
4674         stats_flags.collect_eth = 1;
4675
4676         REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
4677                ((u32 *)&stats_flags)[0]);
4678         REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
4679                ((u32 *)&stats_flags)[1]);
4680
4681         REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
4682                ((u32 *)&stats_flags)[0]);
4683         REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
4684                ((u32 *)&stats_flags)[1]);
4685
4686         REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
4687                ((u32 *)&stats_flags)[0]);
4688         REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
4689                ((u32 *)&stats_flags)[1]);
4690
4691         REG_WR(bp, BAR_XSTRORM_INTMEM +
4692                XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4693                U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4694         REG_WR(bp, BAR_XSTRORM_INTMEM +
4695                XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4696                U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4697
4698         REG_WR(bp, BAR_TSTRORM_INTMEM +
4699                TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4700                U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4701         REG_WR(bp, BAR_TSTRORM_INTMEM +
4702                TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4703                U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4704
4705         if (CHIP_IS_E1H(bp)) {
4706                 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4707                         IS_E1HMF(bp));
4708                 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4709                         IS_E1HMF(bp));
4710                 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4711                         IS_E1HMF(bp));
4712                 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4713                         IS_E1HMF(bp));
4714
4715                 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4716                          bp->e1hov);
4717         }
4718
4719         /* Init CQ ring mapping and aggregation size */
4720         max_agg_size = min((u32)(bp->rx_buf_use_size +
4721                                  8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4722                            (u32)0xffff);
4723         for_each_queue(bp, i) {
4724                 struct bnx2x_fastpath *fp = &bp->fp[i];
4725
4726                 REG_WR(bp, BAR_USTRORM_INTMEM +
4727                        USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4728                        U64_LO(fp->rx_comp_mapping));
4729                 REG_WR(bp, BAR_USTRORM_INTMEM +
4730                        USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4731                        U64_HI(fp->rx_comp_mapping));
4732
4733                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4734                          USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4735                          max_agg_size);
4736         }
4737 }
4738
4739 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4740 {
4741         switch (load_code) {
4742         case FW_MSG_CODE_DRV_LOAD_COMMON:
4743                 bnx2x_init_internal_common(bp);
4744                 /* no break */
4745
4746         case FW_MSG_CODE_DRV_LOAD_PORT:
4747                 bnx2x_init_internal_port(bp);
4748                 /* no break */
4749
4750         case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4751                 bnx2x_init_internal_func(bp);
4752                 break;
4753
4754         default:
4755                 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4756                 break;
4757         }
4758 }
4759
4760 static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
4761 {
4762         int i;
4763
4764         for_each_queue(bp, i) {
4765                 struct bnx2x_fastpath *fp = &bp->fp[i];
4766
4767                 fp->bp = bp;
4768                 fp->state = BNX2X_FP_STATE_CLOSED;
4769                 fp->index = i;
4770                 fp->cl_id = BP_L_ID(bp) + i;
4771                 fp->sb_id = fp->cl_id;
4772                 DP(NETIF_MSG_IFUP,
4773                    "bnx2x_init_sb(%p,%p) index %d  cl_id %d  sb %d\n",
4774                    bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
4775                 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4776                               FP_SB_ID(fp));
4777                 bnx2x_update_fpsb_idx(fp);
4778         }
4779
4780         bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4781                           DEF_SB_ID);
4782         bnx2x_update_dsb_idx(bp);
4783         bnx2x_update_coalesce(bp);
4784         bnx2x_init_rx_rings(bp);
4785         bnx2x_init_tx_ring(bp);
4786         bnx2x_init_sp_ring(bp);
4787         bnx2x_init_context(bp);
4788         bnx2x_init_internal(bp, load_code);
4789         bnx2x_init_ind_table(bp);
4790         bnx2x_int_enable(bp);
4791 }
4792
4793 /* end of nic init */
4794
4795 /*
4796  * gzip service functions
4797  */
4798
4799 static int bnx2x_gunzip_init(struct bnx2x *bp)
4800 {
4801         bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4802                                               &bp->gunzip_mapping);
4803         if (bp->gunzip_buf  == NULL)
4804                 goto gunzip_nomem1;
4805
4806         bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4807         if (bp->strm  == NULL)
4808                 goto gunzip_nomem2;
4809
4810         bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4811                                       GFP_KERNEL);
4812         if (bp->strm->workspace == NULL)
4813                 goto gunzip_nomem3;
4814
4815         return 0;
4816
4817 gunzip_nomem3:
4818         kfree(bp->strm);
4819         bp->strm = NULL;
4820
4821 gunzip_nomem2:
4822         pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4823                             bp->gunzip_mapping);
4824         bp->gunzip_buf = NULL;
4825
4826 gunzip_nomem1:
4827         printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
4828                " un-compression\n", bp->dev->name);
4829         return -ENOMEM;
4830 }
4831
4832 static void bnx2x_gunzip_end(struct bnx2x *bp)
4833 {
4834         kfree(bp->strm->workspace);
4835
4836         kfree(bp->strm);
4837         bp->strm = NULL;
4838
4839         if (bp->gunzip_buf) {
4840                 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4841                                     bp->gunzip_mapping);
4842                 bp->gunzip_buf = NULL;
4843         }
4844 }
4845
4846 static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4847 {
4848         int n, rc;
4849
4850         /* check gzip header */
4851         if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4852                 return -EINVAL;
4853
4854         n = 10;
4855
4856 #define FNAME                           0x8
4857
4858         if (zbuf[3] & FNAME)
4859                 while ((zbuf[n++] != 0) && (n < len));
4860
4861         bp->strm->next_in = zbuf + n;
4862         bp->strm->avail_in = len - n;
4863         bp->strm->next_out = bp->gunzip_buf;
4864         bp->strm->avail_out = FW_BUF_SIZE;
4865
4866         rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4867         if (rc != Z_OK)
4868                 return rc;
4869
4870         rc = zlib_inflate(bp->strm, Z_FINISH);
4871         if ((rc != Z_OK) && (rc != Z_STREAM_END))
4872                 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4873                        bp->dev->name, bp->strm->msg);
4874
4875         bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4876         if (bp->gunzip_outlen & 0x3)
4877                 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4878                                     " gunzip_outlen (%d) not aligned\n",
4879                        bp->dev->name, bp->gunzip_outlen);
4880         bp->gunzip_outlen >>= 2;
4881
4882         zlib_inflateEnd(bp->strm);
4883
4884         if (rc == Z_STREAM_END)
4885                 return 0;
4886
4887         return rc;
4888 }
4889
4890 /* nic load/unload */
4891
4892 /*
4893  * General service functions
4894  */
4895
4896 /* send a NIG loopback debug packet */
4897 static void bnx2x_lb_pckt(struct bnx2x *bp)
4898 {
4899         u32 wb_write[3];
4900
4901         /* Ethernet source and destination addresses */
4902         wb_write[0] = 0x55555555;
4903         wb_write[1] = 0x55555555;
4904         wb_write[2] = 0x20;             /* SOP */
4905         REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4906
4907         /* NON-IP protocol */
4908         wb_write[0] = 0x09000000;
4909         wb_write[1] = 0x55555555;
4910         wb_write[2] = 0x10;             /* EOP, eop_bvalid = 0 */
4911         REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4912 }
4913
4914 /* some of the internal memories
4915  * are not directly readable from the driver
4916  * to test them we send debug packets
4917  */
4918 static int bnx2x_int_mem_test(struct bnx2x *bp)
4919 {
4920         int factor;
4921         int count, i;
4922         u32 val = 0;
4923
4924         if (CHIP_REV_IS_FPGA(bp))
4925                 factor = 120;
4926         else if (CHIP_REV_IS_EMUL(bp))
4927                 factor = 200;
4928         else
4929                 factor = 1;
4930
4931         DP(NETIF_MSG_HW, "start part1\n");
4932
4933         /* Disable inputs of parser neighbor blocks */
4934         REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4935         REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4936         REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4937         REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4938
4939         /*  Write 0 to parser credits for CFC search request */
4940         REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4941
4942         /* send Ethernet packet */
4943         bnx2x_lb_pckt(bp);
4944
4945         /* TODO do i reset NIG statistic? */
4946         /* Wait until NIG register shows 1 packet of size 0x10 */
4947         count = 1000 * factor;
4948         while (count) {
4949
4950                 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4951                 val = *bnx2x_sp(bp, wb_data[0]);
4952                 if (val == 0x10)
4953                         break;
4954
4955                 msleep(10);
4956                 count--;
4957         }
4958         if (val != 0x10) {
4959                 BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
4960                 return -1;
4961         }
4962
4963         /* Wait until PRS register shows 1 packet */
4964         count = 1000 * factor;
4965         while (count) {
4966                 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4967                 if (val == 1)
4968                         break;
4969
4970                 msleep(10);
4971                 count--;
4972         }
4973         if (val != 0x1) {
4974                 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4975                 return -2;
4976         }
4977
4978         /* Reset and init BRB, PRS */
4979         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4980         msleep(50);
4981         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4982         msleep(50);
4983         bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4984         bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4985
4986         DP(NETIF_MSG_HW, "part2\n");
4987
4988         /* Disable inputs of parser neighbor blocks */
4989         REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4990         REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4991         REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4992         REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4993
4994         /* Write 0 to parser credits for CFC search request */
4995         REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4996
4997         /* send 10 Ethernet packets */
4998         for (i = 0; i < 10; i++)
4999                 bnx2x_lb_pckt(bp);
5000
5001         /* Wait until NIG register shows 10 + 1
5002            packets of size 11*0x10 = 0xb0 */
5003         count = 1000 * factor;
5004         while (count) {
5005
5006                 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5007                 val = *bnx2x_sp(bp, wb_data[0]);
5008                 if (val == 0xb0)
5009                         break;
5010
5011                 msleep(10);
5012                 count--;
5013         }
5014         if (val != 0xb0) {
5015                 BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
5016                 return -3;
5017         }
5018
5019         /* Wait until PRS register shows 2 packets */
5020         val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5021         if (val != 2)
5022                 BNX2X_ERR("PRS timeout  val = 0x%x\n", val);
5023
5024         /* Write 1 to parser credits for CFC search request */
5025         REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5026
5027         /* Wait until PRS register shows 3 packets */
5028         msleep(10 * factor);
5029         /* Wait until NIG register shows 1 packet of size 0x10 */
5030         val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5031         if (val != 3)
5032                 BNX2X_ERR("PRS timeout  val = 0x%x\n", val);
5033
5034         /* clear NIG EOP FIFO */
5035         for (i = 0; i < 11; i++)
5036                 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5037         val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5038         if (val != 1) {
5039                 BNX2X_ERR("clear of NIG failed\n");
5040                 return -4;
5041         }
5042
5043         /* Reset and init BRB, PRS, NIG */
5044         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5045         msleep(50);
5046         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5047         msleep(50);
5048         bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5049         bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5050 #ifndef BCM_ISCSI
5051         /* set NIC mode */
5052         REG_WR(bp, PRS_REG_NIC_MODE, 1);
5053 #endif
5054
5055         /* Enable inputs of parser neighbor blocks */
5056         REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5057         REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5058         REG_WR(bp, CFC_REG_DEBUG0, 0x0);
5059         REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
5060
5061         DP(NETIF_MSG_HW, "done\n");
5062
5063         return 0; /* OK */
5064 }
5065
5066 static void enable_blocks_attention(struct bnx2x *bp)
5067 {
5068         REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5069         REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5070         REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5071         REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5072         REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5073         REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5074         REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5075         REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5076         REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
5077 /*      REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5078 /*      REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
5079         REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5080         REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5081         REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
5082 /*      REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5083 /*      REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
5084         REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5085         REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5086         REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5087         REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
5088 /*      REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5089 /*      REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5090         if (CHIP_REV_IS_FPGA(bp))
5091                 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5092         else
5093                 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
5094         REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5095         REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5096         REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
5097 /*      REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5098 /*      REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
5099         REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5100         REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
5101 /*      REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5102         REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18);         /* bit 3,4 masked */
5103 }
5104
5105
5106 static int bnx2x_init_common(struct bnx2x *bp)
5107 {
5108         u32 val, i;
5109
5110         DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_FUNC(bp));
5111
5112         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5113         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5114
5115         bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5116         if (CHIP_IS_E1H(bp))
5117                 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5118
5119         REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5120         msleep(30);
5121         REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5122
5123         bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5124         if (CHIP_IS_E1(bp)) {
5125                 /* enable HW interrupt from PXP on USDM overflow
5126                    bit 16 on INT_MASK_0 */
5127                 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5128         }
5129
5130         bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5131         bnx2x_init_pxp(bp);
5132
5133 #ifdef __BIG_ENDIAN
5134         REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5135         REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5136         REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5137         REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5138         REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5139         REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
5140
5141 /*      REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5142         REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5143         REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5144         REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5145         REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
5146 #endif
5147
5148         REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
5149 #ifdef BCM_ISCSI
5150         REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5151         REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5152         REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
5153 #endif
5154
5155         if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5156                 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
5157
5158         /* let the HW do it's magic ... */
5159         msleep(100);
5160         /* finish PXP init */
5161         val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5162         if (val != 1) {
5163                 BNX2X_ERR("PXP2 CFG failed\n");
5164                 return -EBUSY;
5165         }
5166         val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5167         if (val != 1) {
5168                 BNX2X_ERR("PXP2 RD_INIT failed\n");
5169                 return -EBUSY;
5170         }
5171
5172         REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5173         REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
5174
5175         bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
5176
5177         /* clean the DMAE memory */
5178         bp->dmae_ready = 1;
5179         bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
5180
5181         bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5182         bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5183         bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5184         bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
5185
5186         bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5187         bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5188         bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5189         bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5190
5191         bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5192         /* soft reset pulse */
5193         REG_WR(bp, QM_REG_SOFT_RESET, 1);
5194         REG_WR(bp, QM_REG_SOFT_RESET, 0);
5195
5196 #ifdef BCM_ISCSI
5197         bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
5198 #endif
5199
5200         bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5201         REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5202         if (!CHIP_REV_IS_SLOW(bp)) {
5203                 /* enable hw interrupt from doorbell Q */
5204                 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5205         }
5206
5207         bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5208         if (CHIP_REV_IS_SLOW(bp)) {
5209                 /* fix for emulation and FPGA for no pause */
5210                 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5211                 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5212                 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5213                 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5214         }
5215
5216         bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5217         /* set NIC mode */
5218         REG_WR(bp, PRS_REG_NIC_MODE, 1);
5219         if (CHIP_IS_E1H(bp))
5220                 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
5221
5222         bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5223         bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5224         bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5225         bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
5226
5227         if (CHIP_IS_E1H(bp)) {
5228                 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5229                                 STORM_INTMEM_SIZE_E1H/2);
5230                 bnx2x_init_fill(bp,
5231                                 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5232                                 0, STORM_INTMEM_SIZE_E1H/2);
5233                 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5234                                 STORM_INTMEM_SIZE_E1H/2);
5235                 bnx2x_init_fill(bp,
5236                                 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5237                                 0, STORM_INTMEM_SIZE_E1H/2);
5238                 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5239                                 STORM_INTMEM_SIZE_E1H/2);
5240                 bnx2x_init_fill(bp,
5241                                 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5242                                 0, STORM_INTMEM_SIZE_E1H/2);
5243                 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5244                                 STORM_INTMEM_SIZE_E1H/2);
5245                 bnx2x_init_fill(bp,
5246                                 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5247                                 0, STORM_INTMEM_SIZE_E1H/2);
5248         } else { /* E1 */
5249                 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5250                                 STORM_INTMEM_SIZE_E1);
5251                 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5252                                 STORM_INTMEM_SIZE_E1);
5253                 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5254                                 STORM_INTMEM_SIZE_E1);
5255                 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5256                                 STORM_INTMEM_SIZE_E1);
5257         }
5258
5259         bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5260         bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5261         bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5262         bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
5263
5264         /* sync semi rtc */
5265         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5266                0x80000000);
5267         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5268                0x80000000);
5269
5270         bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5271         bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5272         bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
5273
5274         REG_WR(bp, SRC_REG_SOFT_RST, 1);
5275         for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5276                 REG_WR(bp, i, 0xc0cac01a);
5277                 /* TODO: replace with something meaningful */
5278         }
5279         if (CHIP_IS_E1H(bp))
5280                 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5281         REG_WR(bp, SRC_REG_SOFT_RST, 0);
5282
5283         if (sizeof(union cdu_context) != 1024)
5284                 /* we currently assume that a context is 1024 bytes */
5285                 printk(KERN_ALERT PFX "please adjust the size of"
5286                        " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
5287
5288         bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5289         val = (4 << 24) + (0 << 12) + 1024;
5290         REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5291         if (CHIP_IS_E1(bp)) {
5292                 /* !!! fix pxp client crdit until excel update */
5293                 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5294                 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5295         }
5296
5297         bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5298         REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
5299
5300         bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5301         bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
5302
5303         /* PXPCS COMMON comes here */
5304         /* Reset PCIE errors for debug */
5305         REG_WR(bp, 0x2814, 0xffffffff);
5306         REG_WR(bp, 0x3820, 0xffffffff);
5307
5308         /* EMAC0 COMMON comes here */
5309         /* EMAC1 COMMON comes here */
5310         /* DBU COMMON comes here */
5311         /* DBG COMMON comes here */
5312
5313         bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5314         if (CHIP_IS_E1H(bp)) {
5315                 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5316                 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5317         }
5318
5319         if (CHIP_REV_IS_SLOW(bp))
5320                 msleep(200);
5321
5322         /* finish CFC init */
5323         val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5324         if (val != 1) {
5325                 BNX2X_ERR("CFC LL_INIT failed\n");
5326                 return -EBUSY;
5327         }
5328         val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5329         if (val != 1) {
5330                 BNX2X_ERR("CFC AC_INIT failed\n");
5331                 return -EBUSY;
5332         }
5333         val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5334         if (val != 1) {
5335                 BNX2X_ERR("CFC CAM_INIT failed\n");
5336                 return -EBUSY;
5337         }
5338         REG_WR(bp, CFC_REG_DEBUG0, 0);
5339
5340         /* read NIG statistic
5341            to see if this is our first up since powerup */
5342         bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5343         val = *bnx2x_sp(bp, wb_data[0]);
5344
5345         /* do internal memory self test */
5346         if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5347                 BNX2X_ERR("internal mem self test failed\n");
5348                 return -EBUSY;
5349         }
5350
5351         switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5352         case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
5353         case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5354                 /* Fan failure is indicated by SPIO 5 */
5355                 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5356                                MISC_REGISTERS_SPIO_INPUT_HI_Z);
5357
5358                 /* set to active low mode */
5359                 val = REG_RD(bp, MISC_REG_SPIO_INT);
5360                 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
5361                                         MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
5362                 REG_WR(bp, MISC_REG_SPIO_INT, val);
5363
5364                 /* enable interrupt to signal the IGU */
5365                 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5366                 val |= (1 << MISC_REGISTERS_SPIO_5);
5367                 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5368                 break;
5369
5370         default:
5371                 break;
5372         }
5373
5374         /* clear PXP2 attentions */
5375         REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
5376
5377         enable_blocks_attention(bp);
5378
5379         if (!BP_NOMCP(bp)) {
5380                 bnx2x_acquire_phy_lock(bp);
5381                 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5382                 bnx2x_release_phy_lock(bp);
5383         } else
5384                 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5385
5386         return 0;
5387 }
5388
5389 static int bnx2x_init_port(struct bnx2x *bp)
5390 {
5391         int port = BP_PORT(bp);
5392         u32 val;
5393
5394         DP(BNX2X_MSG_MCP, "starting port init  port %x\n", port);
5395
5396         REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
5397
5398         /* Port PXP comes here */
5399         /* Port PXP2 comes here */
5400 #ifdef BCM_ISCSI
5401         /* Port0  1
5402          * Port1  385 */
5403         i++;
5404         wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5405         wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5406         REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5407         REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5408
5409         /* Port0  2
5410          * Port1  386 */
5411         i++;
5412         wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5413         wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5414         REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5415         REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5416
5417         /* Port0  3
5418          * Port1  387 */
5419         i++;
5420         wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5421         wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5422         REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5423         REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5424 #endif
5425         /* Port CMs come here */
5426
5427         /* Port QM comes here */
5428 #ifdef BCM_ISCSI
5429         REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5430         REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5431
5432         bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5433                              func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5434 #endif
5435         /* Port DQ comes here */
5436         /* Port BRB1 comes here */
5437         /* Port PRS comes here */
5438         /* Port TSDM comes here */
5439         /* Port CSDM comes here */
5440         /* Port USDM comes here */
5441         /* Port XSDM comes here */
5442         bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5443                              port ? TSEM_PORT1_END : TSEM_PORT0_END);
5444         bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5445                              port ? USEM_PORT1_END : USEM_PORT0_END);
5446         bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5447                              port ? CSEM_PORT1_END : CSEM_PORT0_END);
5448         bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5449                              port ? XSEM_PORT1_END : XSEM_PORT0_END);
5450         /* Port UPB comes here */
5451         /* Port XPB comes here */
5452
5453         bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5454                              port ? PBF_PORT1_END : PBF_PORT0_END);
5455
5456         /* configure PBF to work without PAUSE mtu 9000 */
5457         REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
5458
5459         /* update threshold */
5460         REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5461         /* update init credit */
5462         REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
5463
5464         /* probe changes */
5465         REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5466         msleep(5);
5467         REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5468
5469 #ifdef BCM_ISCSI
5470         /* tell the searcher where the T2 table is */
5471         REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5472
5473         wb_write[0] = U64_LO(bp->t2_mapping);
5474         wb_write[1] = U64_HI(bp->t2_mapping);
5475         REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5476         wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5477         wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5478         REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5479
5480         REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5481         /* Port SRCH comes here */
5482 #endif
5483         /* Port CDU comes here */
5484         /* Port CFC comes here */
5485
5486         if (CHIP_IS_E1(bp)) {
5487                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5488                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5489         }
5490         bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5491                              port ? HC_PORT1_END : HC_PORT0_END);
5492
5493         bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
5494                                     MISC_AEU_PORT0_START,
5495                              port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5496         /* init aeu_mask_attn_func_0/1:
5497          *  - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5498          *  - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5499          *             bits 4-7 are used for "per vn group attention" */
5500         REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5501                (IS_E1HMF(bp) ? 0xF7 : 0x7));
5502
5503         /* Port PXPCS comes here */
5504         /* Port EMAC0 comes here */
5505         /* Port EMAC1 comes here */
5506         /* Port DBU comes here */
5507         /* Port DBG comes here */
5508         bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5509                              port ? NIG_PORT1_END : NIG_PORT0_END);
5510
5511         REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5512
5513         if (CHIP_IS_E1H(bp)) {
5514                 u32 wsum;
5515                 struct cmng_struct_per_port m_cmng_port;
5516                 int vn;
5517
5518                 /* 0x2 disable e1hov, 0x1 enable */
5519                 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5520                        (IS_E1HMF(bp) ? 0x1 : 0x2));
5521
5522                 /* Init RATE SHAPING and FAIRNESS contexts.
5523                    Initialize as if there is 10G link. */
5524                 wsum = bnx2x_calc_vn_wsum(bp);
5525                 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5526                 if (IS_E1HMF(bp))
5527                         for (vn = VN_0; vn < E1HVN_MAX; vn++)
5528                                 bnx2x_init_vn_minmax(bp, 2*vn + port,
5529                                         wsum, 10000, &m_cmng_port);
5530         }
5531
5532         /* Port MCP comes here */
5533         /* Port DMAE comes here */
5534
5535         switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5536         case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
5537         case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5538                 /* add SPIO 5 to group 0 */
5539                 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5540                 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5541                 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5542                 break;
5543
5544         default:
5545                 break;
5546         }
5547
5548         bnx2x__link_reset(bp);
5549
5550         return 0;
5551 }
5552
5553 #define ILT_PER_FUNC            (768/2)
5554 #define FUNC_ILT_BASE(func)     (func * ILT_PER_FUNC)
5555 /* the phys address is shifted right 12 bits and has an added
5556    1=valid bit added to the 53rd bit
5557    then since this is a wide register(TM)
5558    we split it into two 32 bit writes
5559  */
5560 #define ONCHIP_ADDR1(x)         ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5561 #define ONCHIP_ADDR2(x)         ((u32)((1 << 20) | ((u64)x >> 44)))
5562 #define PXP_ONE_ILT(x)          (((x) << 10) | x)
5563 #define PXP_ILT_RANGE(f, l)     (((l) << 10) | f)
5564
5565 #define CNIC_ILT_LINES          0
5566
5567 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5568 {
5569         int reg;
5570
5571         if (CHIP_IS_E1H(bp))
5572                 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5573         else /* E1 */
5574                 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5575
5576         bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5577 }
5578
5579 static int bnx2x_init_func(struct bnx2x *bp)
5580 {
5581         int port = BP_PORT(bp);
5582         int func = BP_FUNC(bp);
5583         int i;
5584
5585         DP(BNX2X_MSG_MCP, "starting func init  func %x\n", func);
5586
5587         i = FUNC_ILT_BASE(func);
5588
5589         bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5590         if (CHIP_IS_E1H(bp)) {
5591                 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5592                 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5593         } else /* E1 */
5594                 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5595                        PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5596
5597
5598         if (CHIP_IS_E1H(bp)) {
5599                 for (i = 0; i < 9; i++)
5600                         bnx2x_init_block(bp,
5601                                          cm_start[func][i], cm_end[func][i]);
5602
5603                 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5604                 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5605         }
5606
5607         /* HC init per function */
5608         if (CHIP_IS_E1H(bp)) {
5609                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5610
5611                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5612                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5613         }
5614         bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5615
5616         if (CHIP_IS_E1H(bp))
5617                 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5618
5619         /* Reset PCIE errors for debug */
5620         REG_WR(bp, 0x2114, 0xffffffff);
5621         REG_WR(bp, 0x2120, 0xffffffff);
5622
5623         return 0;
5624 }
5625
5626 static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5627 {
5628         int i, rc = 0;
5629
5630         DP(BNX2X_MSG_MCP, "function %d  load_code %x\n",
5631            BP_FUNC(bp), load_code);
5632
5633         bp->dmae_ready = 0;
5634         mutex_init(&bp->dmae_mutex);
5635         bnx2x_gunzip_init(bp);
5636
5637         switch (load_code) {
5638         case FW_MSG_CODE_DRV_LOAD_COMMON:
5639                 rc = bnx2x_init_common(bp);
5640                 if (rc)
5641                         goto init_hw_err;
5642                 /* no break */
5643
5644         case FW_MSG_CODE_DRV_LOAD_PORT:
5645                 bp->dmae_ready = 1;
5646                 rc = bnx2x_init_port(bp);
5647                 if (rc)
5648                         goto init_hw_err;
5649                 /* no break */
5650
5651         case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5652                 bp->dmae_ready = 1;
5653                 rc = bnx2x_init_func(bp);
5654                 if (rc)
5655                         goto init_hw_err;
5656                 break;
5657
5658         default:
5659                 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5660                 break;
5661         }
5662
5663         if (!BP_NOMCP(bp)) {
5664                 int func = BP_FUNC(bp);
5665
5666                 bp->fw_drv_pulse_wr_seq =
5667                                 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5668                                  DRV_PULSE_SEQ_MASK);
5669                 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5670                 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x  func_stx 0x%x\n",
5671                    bp->fw_drv_pulse_wr_seq, bp->func_stx);
5672         } else
5673                 bp->func_stx = 0;
5674
5675         /* this needs to be done before gunzip end */
5676         bnx2x_zero_def_sb(bp);
5677         for_each_queue(bp, i)
5678                 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5679
5680 init_hw_err:
5681         bnx2x_gunzip_end(bp);
5682
5683         return rc;
5684 }
5685
5686 /* send the MCP a request, block until there is a reply */
5687 static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5688 {
5689         int func = BP_FUNC(bp);
5690         u32 seq = ++bp->fw_seq;
5691         u32 rc = 0;
5692         u32 cnt = 1;
5693         u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
5694
5695         SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
5696         DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
5697
5698         do {
5699                 /* let the FW do it's magic ... */
5700                 msleep(delay);
5701
5702                 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
5703
5704                 /* Give the FW up to 2 second (200*10ms) */
5705         } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5706
5707         DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5708            cnt*delay, rc, seq);
5709
5710         /* is this a reply to our command? */
5711         if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5712                 rc &= FW_MSG_CODE_MASK;
5713
5714         } else {
5715                 /* FW BUG! */
5716                 BNX2X_ERR("FW failed to respond!\n");
5717                 bnx2x_fw_dump(bp);
5718                 rc = 0;
5719         }
5720
5721         return rc;
5722 }
5723
5724 static void bnx2x_free_mem(struct bnx2x *bp)
5725 {
5726
5727 #define BNX2X_PCI_FREE(x, y, size) \
5728         do { \
5729                 if (x) { \
5730                         pci_free_consistent(bp->pdev, size, x, y); \
5731                         x = NULL; \
5732                         y = 0; \
5733                 } \
5734         } while (0)
5735
5736 #define BNX2X_FREE(x) \
5737         do { \
5738                 if (x) { \
5739                         vfree(x); \
5740                         x = NULL; \
5741                 } \
5742         } while (0)
5743
5744         int i;
5745
5746         /* fastpath */
5747         for_each_queue(bp, i) {
5748
5749                 /* Status blocks */
5750                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5751                                bnx2x_fp(bp, i, status_blk_mapping),
5752                                sizeof(struct host_status_block) +
5753                                sizeof(struct eth_tx_db_data));
5754
5755                 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5756                 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5757                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5758                                bnx2x_fp(bp, i, tx_desc_mapping),
5759                                sizeof(struct eth_tx_bd) * NUM_TX_BD);
5760
5761                 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5762                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5763                                bnx2x_fp(bp, i, rx_desc_mapping),
5764                                sizeof(struct eth_rx_bd) * NUM_RX_BD);
5765
5766                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5767                                bnx2x_fp(bp, i, rx_comp_mapping),
5768                                sizeof(struct eth_fast_path_rx_cqe) *
5769                                NUM_RCQ_BD);
5770
5771                 /* SGE ring */
5772                 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5773                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5774                                bnx2x_fp(bp, i, rx_sge_mapping),
5775                                BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5776         }
5777         /* end of fastpath */
5778
5779         BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5780                        sizeof(struct host_def_status_block));
5781
5782         BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5783                        sizeof(struct bnx2x_slowpath));
5784
5785 #ifdef BCM_ISCSI
5786         BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5787         BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5788         BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5789         BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5790 #endif
5791         BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
5792
5793 #undef BNX2X_PCI_FREE
5794 #undef BNX2X_KFREE
5795 }
5796
5797 static int bnx2x_alloc_mem(struct bnx2x *bp)
5798 {
5799
5800 #define BNX2X_PCI_ALLOC(x, y, size) \
5801         do { \
5802                 x = pci_alloc_consistent(bp->pdev, size, y); \
5803                 if (x == NULL) \
5804                         goto alloc_mem_err; \
5805                 memset(x, 0, size); \
5806         } while (0)
5807
5808 #define BNX2X_ALLOC(x, size) \
5809         do { \
5810                 x = vmalloc(size); \
5811                 if (x == NULL) \
5812                         goto alloc_mem_err; \
5813                 memset(x, 0, size); \
5814         } while (0)
5815
5816         int i;
5817
5818         /* fastpath */
5819         for_each_queue(bp, i) {
5820                 bnx2x_fp(bp, i, bp) = bp;
5821
5822                 /* Status blocks */
5823                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5824                                 &bnx2x_fp(bp, i, status_blk_mapping),
5825                                 sizeof(struct host_status_block) +
5826                                 sizeof(struct eth_tx_db_data));
5827
5828                 bnx2x_fp(bp, i, hw_tx_prods) =
5829                                 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5830
5831                 bnx2x_fp(bp, i, tx_prods_mapping) =
5832                                 bnx2x_fp(bp, i, status_blk_mapping) +
5833                                 sizeof(struct host_status_block);
5834
5835                 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5836                 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5837                                 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5838                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5839                                 &bnx2x_fp(bp, i, tx_desc_mapping),
5840                                 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5841
5842                 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5843                                 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5844                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5845                                 &bnx2x_fp(bp, i, rx_desc_mapping),
5846                                 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5847
5848                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5849                                 &bnx2x_fp(bp, i, rx_comp_mapping),
5850                                 sizeof(struct eth_fast_path_rx_cqe) *
5851                                 NUM_RCQ_BD);
5852
5853                 /* SGE ring */
5854                 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5855                                 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5856                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5857                                 &bnx2x_fp(bp, i, rx_sge_mapping),
5858                                 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5859         }
5860         /* end of fastpath */
5861
5862         BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5863                         sizeof(struct host_def_status_block));
5864
5865         BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5866                         sizeof(struct bnx2x_slowpath));
5867
5868 #ifdef BCM_ISCSI
5869         BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5870
5871         /* Initialize T1 */
5872         for (i = 0; i < 64*1024; i += 64) {
5873                 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5874                 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5875         }
5876
5877         /* allocate searcher T2 table
5878            we allocate 1/4 of alloc num for T2
5879           (which is not entered into the ILT) */
5880         BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5881
5882         /* Initialize T2 */
5883         for (i = 0; i < 16*1024; i += 64)
5884                 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5885
5886         /* now fixup the last line in the block to point to the next block */
5887         *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5888
5889         /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5890         BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5891
5892         /* QM queues (128*MAX_CONN) */
5893         BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5894 #endif
5895
5896         /* Slow path ring */
5897         BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5898
5899         return 0;
5900
5901 alloc_mem_err:
5902         bnx2x_free_mem(bp);
5903         return -ENOMEM;
5904
5905 #undef BNX2X_PCI_ALLOC
5906 #undef BNX2X_ALLOC
5907 }
5908
5909 static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5910 {
5911         int i;
5912
5913         for_each_queue(bp, i) {
5914                 struct bnx2x_fastpath *fp = &bp->fp[i];
5915
5916                 u16 bd_cons = fp->tx_bd_cons;
5917                 u16 sw_prod = fp->tx_pkt_prod;
5918                 u16 sw_cons = fp->tx_pkt_cons;
5919
5920                 while (sw_cons != sw_prod) {
5921                         bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5922                         sw_cons++;
5923                 }
5924         }
5925 }
5926
5927 static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5928 {
5929         int i, j;
5930
5931         for_each_queue(bp, j) {
5932                 struct bnx2x_fastpath *fp = &bp->fp[j];
5933
5934                 for (i = 0; i < NUM_RX_BD; i++) {
5935                         struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5936                         struct sk_buff *skb = rx_buf->skb;
5937
5938                         if (skb == NULL)
5939                                 continue;
5940
5941                         pci_unmap_single(bp->pdev,
5942                                          pci_unmap_addr(rx_buf, mapping),
5943                                          bp->rx_buf_use_size,
5944                                          PCI_DMA_FROMDEVICE);
5945
5946                         rx_buf->skb = NULL;
5947                         dev_kfree_skb(skb);
5948                 }
5949                 if (!fp->disable_tpa)
5950                         bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5951                                             ETH_MAX_AGGREGATION_QUEUES_E1 :
5952                                             ETH_MAX_AGGREGATION_QUEUES_E1H);
5953         }
5954 }
5955
5956 static void bnx2x_free_skbs(struct bnx2x *bp)
5957 {
5958         bnx2x_free_tx_skbs(bp);
5959         bnx2x_free_rx_skbs(bp);
5960 }
5961
5962 static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5963 {
5964         int i, offset = 1;
5965
5966         free_irq(bp->msix_table[0].vector, bp->dev);
5967         DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
5968            bp->msix_table[0].vector);
5969
5970         for_each_queue(bp, i) {
5971                 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq  "
5972                    "state %x\n", i, bp->msix_table[i + offset].vector,
5973                    bnx2x_fp(bp, i, state));
5974
5975                 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5976                         BNX2X_ERR("IRQ of fp #%d being freed while "
5977                                   "state != closed\n", i);
5978
5979                 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
5980         }
5981 }
5982
5983 static void bnx2x_free_irq(struct bnx2x *bp)
5984 {
5985         if (bp->flags & USING_MSIX_FLAG) {
5986                 bnx2x_free_msix_irqs(bp);
5987                 pci_disable_msix(bp->pdev);
5988                 bp->flags &= ~USING_MSIX_FLAG;
5989
5990         } else
5991                 free_irq(bp->pdev->irq, bp->dev);
5992 }
5993
5994 static int bnx2x_enable_msix(struct bnx2x *bp)
5995 {
5996         int i, rc, offset;
5997
5998         bp->msix_table[0].entry = 0;
5999         offset = 1;
6000         DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
6001
6002         for_each_queue(bp, i) {
6003                 int igu_vec = offset + i + BP_L_ID(bp);
6004
6005                 bp->msix_table[i + offset].entry = igu_vec;
6006                 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6007                    "(fastpath #%u)\n", i + offset, igu_vec, i);
6008         }
6009
6010         rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6011                              bp->num_queues + offset);
6012         if (rc) {
6013                 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6014                 return -1;
6015         }
6016         bp->flags |= USING_MSIX_FLAG;
6017
6018         return 0;
6019 }
6020
6021 static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6022 {
6023         int i, rc, offset = 1;
6024
6025         rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6026                          bp->dev->name, bp->dev);
6027         if (rc) {
6028                 BNX2X_ERR("request sp irq failed\n");
6029                 return -EBUSY;
6030         }
6031
6032         for_each_queue(bp, i) {
6033                 rc = request_irq(bp->msix_table[i + offset].vector,
6034                                  bnx2x_msix_fp_int, 0,
6035                                  bp->dev->name, &bp->fp[i]);
6036                 if (rc) {
6037                         BNX2X_ERR("request fp #%d irq failed  rc -%d\n",
6038                                   i + offset, -rc);
6039                         bnx2x_free_msix_irqs(bp);
6040                         return -EBUSY;
6041                 }
6042
6043                 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
6044         }
6045
6046         return 0;
6047 }
6048
6049 static int bnx2x_req_irq(struct bnx2x *bp)
6050 {
6051         int rc;
6052
6053         rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6054                          bp->dev->name, bp->dev);
6055         if (!rc)
6056                 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6057
6058         return rc;
6059 }
6060
6061 static void bnx2x_napi_enable(struct bnx2x *bp)
6062 {
6063         int i;
6064
6065         for_each_queue(bp, i)
6066                 napi_enable(&bnx2x_fp(bp, i, napi));
6067 }
6068
6069 static void bnx2x_napi_disable(struct bnx2x *bp)
6070 {
6071         int i;
6072
6073         for_each_queue(bp, i)
6074                 napi_disable(&bnx2x_fp(bp, i, napi));
6075 }
6076
6077 static void bnx2x_netif_start(struct bnx2x *bp)
6078 {
6079         if (atomic_dec_and_test(&bp->intr_sem)) {
6080                 if (netif_running(bp->dev)) {
6081                         if (bp->state == BNX2X_STATE_OPEN)
6082                                 netif_wake_queue(bp->dev);
6083                         bnx2x_napi_enable(bp);
6084                         bnx2x_int_enable(bp);
6085                 }
6086         }
6087 }
6088
6089 static void bnx2x_netif_stop(struct bnx2x *bp)
6090 {
6091         bnx2x_int_disable_sync(bp);
6092         if (netif_running(bp->dev)) {
6093                 bnx2x_napi_disable(bp);
6094                 netif_tx_disable(bp->dev);
6095                 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6096         }
6097 }
6098
6099 /*
6100  * Init service functions
6101  */
6102
6103 static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
6104 {
6105         struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
6106         int port = BP_PORT(bp);
6107
6108         /* CAM allocation
6109          * unicasts 0-31:port0 32-63:port1
6110          * multicast 64-127:port0 128-191:port1
6111          */
6112         config->hdr.length_6b = 2;
6113         config->hdr.offset = port ? 31 : 0;
6114         config->hdr.client_id = BP_CL_ID(bp);
6115         config->hdr.reserved1 = 0;
6116
6117         /* primary MAC */
6118         config->config_table[0].cam_entry.msb_mac_addr =
6119                                         swab16(*(u16 *)&bp->dev->dev_addr[0]);
6120         config->config_table[0].cam_entry.middle_mac_addr =
6121                                         swab16(*(u16 *)&bp->dev->dev_addr[2]);
6122         config->config_table[0].cam_entry.lsb_mac_addr =
6123                                         swab16(*(u16 *)&bp->dev->dev_addr[4]);
6124         config->config_table[0].cam_entry.flags = cpu_to_le16(port);
6125         if (set)
6126                 config->config_table[0].target_table_entry.flags = 0;
6127         else
6128                 CAM_INVALIDATE(config->config_table[0]);
6129         config->config_table[0].target_table_entry.client_id = 0;
6130         config->config_table[0].target_table_entry.vlan_id = 0;
6131
6132         DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6133            (set ? "setting" : "clearing"),
6134            config->config_table[0].cam_entry.msb_mac_addr,
6135            config->config_table[0].cam_entry.middle_mac_addr,
6136            config->config_table[0].cam_entry.lsb_mac_addr);
6137
6138         /* broadcast */
6139         config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6140         config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6141         config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
6142         config->config_table[1].cam_entry.flags = cpu_to_le16(port);
6143         if (set)
6144                 config->config_table[1].target_table_entry.flags =
6145                                 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6146         else
6147                 CAM_INVALIDATE(config->config_table[1]);
6148         config->config_table[1].target_table_entry.client_id = 0;
6149         config->config_table[1].target_table_entry.vlan_id = 0;
6150
6151         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6152                       U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6153                       U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6154 }
6155
6156 static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
6157 {
6158         struct mac_configuration_cmd_e1h *config =
6159                 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6160
6161         if (set && (bp->state != BNX2X_STATE_OPEN)) {
6162                 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6163                 return;
6164         }
6165
6166         /* CAM allocation for E1H
6167          * unicasts: by func number
6168          * multicast: 20+FUNC*20, 20 each
6169          */
6170         config->hdr.length_6b = 1;
6171         config->hdr.offset = BP_FUNC(bp);
6172         config->hdr.client_id = BP_CL_ID(bp);
6173         config->hdr.reserved1 = 0;
6174
6175         /* primary MAC */
6176         config->config_table[0].msb_mac_addr =
6177                                         swab16(*(u16 *)&bp->dev->dev_addr[0]);
6178         config->config_table[0].middle_mac_addr =
6179                                         swab16(*(u16 *)&bp->dev->dev_addr[2]);
6180         config->config_table[0].lsb_mac_addr =
6181                                         swab16(*(u16 *)&bp->dev->dev_addr[4]);
6182         config->config_table[0].client_id = BP_L_ID(bp);
6183         config->config_table[0].vlan_id = 0;
6184         config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
6185         if (set)
6186                 config->config_table[0].flags = BP_PORT(bp);
6187         else
6188                 config->config_table[0].flags =
6189                                 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
6190
6191         DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)  E1HOV %d  CLID %d\n",
6192            (set ? "setting" : "clearing"),
6193            config->config_table[0].msb_mac_addr,
6194            config->config_table[0].middle_mac_addr,
6195            config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6196
6197         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6198                       U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6199                       U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6200 }
6201
6202 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6203                              int *state_p, int poll)
6204 {
6205         /* can take a while if any port is running */
6206         int cnt = 500;
6207
6208         DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6209            poll ? "polling" : "waiting", state, idx);
6210
6211         might_sleep();
6212         while (cnt--) {
6213                 if (poll) {
6214                         bnx2x_rx_int(bp->fp, 10);
6215                         /* if index is different from 0
6216                          * the reply for some commands will
6217                          * be on the non default queue
6218                          */
6219                         if (idx)
6220                                 bnx2x_rx_int(&bp->fp[idx], 10);
6221                 }
6222
6223                 mb(); /* state is changed by bnx2x_sp_event() */
6224                 if (*state_p == state)
6225                         return 0;
6226
6227                 msleep(1);
6228         }
6229
6230         /* timeout! */
6231         BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6232                   poll ? "polling" : "waiting", state, idx);
6233 #ifdef BNX2X_STOP_ON_ERROR
6234         bnx2x_panic();
6235 #endif
6236
6237         return -EBUSY;
6238 }
6239
6240 static int bnx2x_setup_leading(struct bnx2x *bp)
6241 {
6242         int rc;
6243
6244         /* reset IGU state */
6245         bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6246
6247         /* SETUP ramrod */
6248         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6249
6250         /* Wait for completion */
6251         rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
6252
6253         return rc;
6254 }
6255
6256 static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6257 {
6258         /* reset IGU state */
6259         bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6260
6261         /* SETUP ramrod */
6262         bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6263         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6264
6265         /* Wait for completion */
6266         return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
6267                                  &(bp->fp[index].state), 0);
6268 }
6269
6270 static int bnx2x_poll(struct napi_struct *napi, int budget);
6271 static void bnx2x_set_rx_mode(struct net_device *dev);
6272
6273 /* must be called with rtnl_lock */
6274 static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
6275 {
6276         u32 load_code;
6277         int i, rc;
6278 #ifdef BNX2X_STOP_ON_ERROR
6279         if (unlikely(bp->panic))
6280                 return -EPERM;
6281 #endif
6282
6283         bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6284
6285         /* Send LOAD_REQUEST command to MCP
6286            Returns the type of LOAD command:
6287            if it is the first port to be initialized
6288            common blocks should be initialized, otherwise - not
6289         */
6290         if (!BP_NOMCP(bp)) {
6291                 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6292                 if (!load_code) {
6293                         BNX2X_ERR("MCP response failure, aborting\n");
6294                         return -EBUSY;
6295                 }
6296                 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
6297                         return -EBUSY; /* other port in diagnostic mode */
6298
6299         } else {
6300                 int port = BP_PORT(bp);
6301
6302                 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6303                    load_count[0], load_count[1], load_count[2]);
6304                 load_count[0]++;
6305                 load_count[1 + port]++;
6306                 DP(NETIF_MSG_IFUP, "NO MCP new load counts       %d, %d, %d\n",
6307                    load_count[0], load_count[1], load_count[2]);
6308                 if (load_count[0] == 1)
6309                         load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
6310                 else if (load_count[1 + port] == 1)
6311                         load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6312                 else
6313                         load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
6314         }
6315
6316         if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6317             (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6318                 bp->port.pmf = 1;
6319         else
6320                 bp->port.pmf = 0;
6321         DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6322
6323         /* if we can't use MSI-X we only need one fp,
6324          * so try to enable MSI-X with the requested number of fp's
6325          * and fallback to inta with one fp
6326          */
6327         if (use_inta) {
6328                 bp->num_queues = 1;
6329
6330         } else {
6331                 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6332                         /* user requested number */
6333                         bp->num_queues = use_multi;
6334
6335                 else if (use_multi)
6336                         bp->num_queues = min_t(u32, num_online_cpus(),
6337                                                BP_MAX_QUEUES(bp));
6338                 else
6339                         bp->num_queues = 1;
6340
6341                 if (bnx2x_enable_msix(bp)) {
6342                         /* failed to enable MSI-X */
6343                         bp->num_queues = 1;
6344                         if (use_multi)
6345                                 BNX2X_ERR("Multi requested but failed"
6346                                           " to enable MSI-X\n");
6347                 }
6348         }
6349         DP(NETIF_MSG_IFUP,
6350            "set number of queues to %d\n", bp->num_queues);
6351
6352         if (bnx2x_alloc_mem(bp))
6353                 return -ENOMEM;
6354
6355         for_each_queue(bp, i)
6356                 bnx2x_fp(bp, i, disable_tpa) =
6357                                         ((bp->flags & TPA_ENABLE_FLAG) == 0);
6358
6359         if (bp->flags & USING_MSIX_FLAG) {
6360                 rc = bnx2x_req_msix_irqs(bp);
6361                 if (rc) {
6362                         pci_disable_msix(bp->pdev);
6363                         goto load_error;
6364                 }
6365         } else {
6366                 bnx2x_ack_int(bp);
6367                 rc = bnx2x_req_irq(bp);
6368                 if (rc) {
6369                         BNX2X_ERR("IRQ request failed, aborting\n");
6370                         goto load_error;
6371                 }
6372         }
6373
6374         for_each_queue(bp, i)
6375                 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6376                                bnx2x_poll, 128);
6377
6378         /* Initialize HW */
6379         rc = bnx2x_init_hw(bp, load_code);
6380         if (rc) {
6381                 BNX2X_ERR("HW init failed, aborting\n");
6382                 goto load_int_disable;
6383         }
6384
6385         /* Setup NIC internals and enable interrupts */
6386         bnx2x_nic_init(bp, load_code);
6387
6388         /* Send LOAD_DONE command to MCP */
6389         if (!BP_NOMCP(bp)) {
6390                 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6391                 if (!load_code) {
6392                         BNX2X_ERR("MCP response failure, aborting\n");
6393                         rc = -EBUSY;
6394                         goto load_rings_free;
6395                 }
6396         }
6397
6398         bnx2x_stats_init(bp);
6399
6400         bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6401
6402         /* Enable Rx interrupt handling before sending the ramrod
6403            as it's completed on Rx FP queue */
6404         bnx2x_napi_enable(bp);
6405
6406         /* Enable interrupt handling */
6407         atomic_set(&bp->intr_sem, 0);
6408
6409         rc = bnx2x_setup_leading(bp);
6410         if (rc) {
6411                 BNX2X_ERR("Setup leading failed!\n");
6412                 goto load_netif_stop;
6413         }
6414
6415         if (CHIP_IS_E1H(bp))
6416                 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6417                         BNX2X_ERR("!!!  mf_cfg function disabled\n");
6418                         bp->state = BNX2X_STATE_DISABLED;
6419                 }
6420
6421         if (bp->state == BNX2X_STATE_OPEN)
6422                 for_each_nondefault_queue(bp, i) {
6423                         rc = bnx2x_setup_multi(bp, i);
6424                         if (rc)
6425                                 goto load_netif_stop;
6426                 }
6427
6428         if (CHIP_IS_E1(bp))
6429                 bnx2x_set_mac_addr_e1(bp, 1);
6430         else
6431                 bnx2x_set_mac_addr_e1h(bp, 1);
6432
6433         if (bp->port.pmf)
6434                 bnx2x_initial_phy_init(bp);
6435
6436         /* Start fast path */
6437         switch (load_mode) {
6438         case LOAD_NORMAL:
6439                 /* Tx queue should be only reenabled */
6440                 netif_wake_queue(bp->dev);
6441                 bnx2x_set_rx_mode(bp->dev);
6442                 break;
6443
6444         case LOAD_OPEN:
6445                 netif_start_queue(bp->dev);
6446                 bnx2x_set_rx_mode(bp->dev);
6447                 if (bp->flags & USING_MSIX_FLAG)
6448                         printk(KERN_INFO PFX "%s: using MSI-X\n",
6449                                bp->dev->name);
6450                 break;
6451
6452         case LOAD_DIAG:
6453                 bnx2x_set_rx_mode(bp->dev);
6454                 bp->state = BNX2X_STATE_DIAG;
6455                 break;
6456
6457         default:
6458                 break;
6459         }
6460
6461         if (!bp->port.pmf)
6462                 bnx2x__link_status_update(bp);
6463
6464         /* start the timer */
6465         mod_timer(&bp->timer, jiffies + bp->current_interval);
6466
6467
6468         return 0;
6469
6470 load_netif_stop:
6471         bnx2x_napi_disable(bp);
6472 load_rings_free:
6473         /* Free SKBs, SGEs, TPA pool and driver internals */
6474         bnx2x_free_skbs(bp);
6475         for_each_queue(bp, i)
6476                 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6477 load_int_disable:
6478         bnx2x_int_disable_sync(bp);
6479         /* Release IRQs */
6480         bnx2x_free_irq(bp);
6481 load_error:
6482         bnx2x_free_mem(bp);
6483
6484         /* TBD we really need to reset the chip
6485            if we want to recover from this */
6486         return rc;
6487 }
6488
6489 static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6490 {
6491         int rc;
6492
6493         /* halt the connection */
6494         bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6495         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
6496
6497         /* Wait for completion */
6498         rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
6499                                &(bp->fp[index].state), 1);
6500         if (rc) /* timeout */
6501                 return rc;
6502
6503         /* delete cfc entry */
6504         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6505
6506         /* Wait for completion */
6507         rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6508                                &(bp->fp[index].state), 1);
6509         return rc;
6510 }
6511
6512 static int bnx2x_stop_leading(struct bnx2x *bp)
6513 {
6514         u16 dsb_sp_prod_idx;
6515         /* if the other port is handling traffic,
6516            this can take a lot of time */
6517         int cnt = 500;
6518         int rc;
6519
6520         might_sleep();
6521
6522         /* Send HALT ramrod */
6523         bp->fp[0].state = BNX2X_FP_STATE_HALTING;
6524         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
6525
6526         /* Wait for completion */
6527         rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6528                                &(bp->fp[0].state), 1);
6529         if (rc) /* timeout */
6530                 return rc;
6531
6532         dsb_sp_prod_idx = *bp->dsb_sp_prod;
6533
6534         /* Send PORT_DELETE ramrod */
6535         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6536
6537         /* Wait for completion to arrive on default status block
6538            we are going to reset the chip anyway
6539            so there is not much to do if this times out
6540          */
6541         while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
6542                 if (!cnt) {
6543                         DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6544                            "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6545                            *bp->dsb_sp_prod, dsb_sp_prod_idx);
6546 #ifdef BNX2X_STOP_ON_ERROR
6547                         bnx2x_panic();
6548 #else
6549                         rc = -EBUSY;
6550 #endif
6551                         break;
6552                 }
6553                 cnt--;
6554                 msleep(1);
6555         }
6556         bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6557         bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
6558
6559         return rc;
6560 }
6561
6562 static void bnx2x_reset_func(struct bnx2x *bp)
6563 {
6564         int port = BP_PORT(bp);
6565         int func = BP_FUNC(bp);
6566         int base, i;
6567
6568         /* Configure IGU */
6569         REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6570         REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6571
6572         REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6573
6574         /* Clear ILT */
6575         base = FUNC_ILT_BASE(func);
6576         for (i = base; i < base + ILT_PER_FUNC; i++)
6577                 bnx2x_ilt_wr(bp, i, 0);
6578 }
6579
6580 static void bnx2x_reset_port(struct bnx2x *bp)
6581 {
6582         int port = BP_PORT(bp);
6583         u32 val;
6584
6585         REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6586
6587         /* Do not rcv packets to BRB */
6588         REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6589         /* Do not direct rcv packets that are not for MCP to the BRB */
6590         REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6591                            NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6592
6593         /* Configure AEU */
6594         REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6595
6596         msleep(100);
6597         /* Check for BRB port occupancy */
6598         val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6599         if (val)
6600                 DP(NETIF_MSG_IFDOWN,
6601                    "BRB1 is not empty  %d blocks are occupied\n", val);
6602
6603         /* TODO: Close Doorbell port? */
6604 }
6605
6606 static void bnx2x_reset_common(struct bnx2x *bp)
6607 {
6608         /* reset_common */
6609         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6610                0xd3ffff7f);
6611         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6612 }
6613
6614 static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6615 {
6616         DP(BNX2X_MSG_MCP, "function %d  reset_code %x\n",
6617            BP_FUNC(bp), reset_code);
6618
6619         switch (reset_code) {
6620         case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6621                 bnx2x_reset_port(bp);
6622                 bnx2x_reset_func(bp);
6623                 bnx2x_reset_common(bp);
6624                 break;
6625
6626         case FW_MSG_CODE_DRV_UNLOAD_PORT:
6627                 bnx2x_reset_port(bp);
6628                 bnx2x_reset_func(bp);
6629                 break;
6630
6631         case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6632                 bnx2x_reset_func(bp);
6633                 break;
6634
6635         default:
6636                 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6637                 break;
6638         }
6639 }
6640
6641 /* must be called with rtnl_lock */
6642 static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
6643 {
6644         int port = BP_PORT(bp);
6645         u32 reset_code = 0;
6646         int i, cnt, rc;
6647
6648         bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6649
6650         bp->rx_mode = BNX2X_RX_MODE_NONE;
6651         bnx2x_set_storm_rx_mode(bp);
6652
6653         bnx2x_netif_stop(bp);
6654         if (!netif_running(bp->dev))
6655                 bnx2x_napi_disable(bp);
6656         del_timer_sync(&bp->timer);
6657         SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6658                  (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
6659         bnx2x_stats_handle(bp, STATS_EVENT_STOP);
6660
6661         /* Wait until tx fast path tasks complete */
6662         for_each_queue(bp, i) {
6663                 struct bnx2x_fastpath *fp = &bp->fp[i];
6664
6665                 cnt = 1000;
6666                 smp_rmb();
6667                 while (BNX2X_HAS_TX_WORK(fp)) {
6668
6669                         bnx2x_tx_int(fp, 1000);
6670                         if (!cnt) {
6671                                 BNX2X_ERR("timeout waiting for queue[%d]\n",
6672                                           i);
6673 #ifdef BNX2X_STOP_ON_ERROR
6674                                 bnx2x_panic();
6675                                 return -EBUSY;
6676 #else
6677                                 break;
6678 #endif
6679                         }
6680                         cnt--;
6681                         msleep(1);
6682                         smp_rmb();
6683                 }
6684         }
6685         /* Give HW time to discard old tx messages */
6686         msleep(1);
6687
6688         /* Release IRQs */
6689         bnx2x_free_irq(bp);
6690
6691         if (CHIP_IS_E1(bp)) {
6692                 struct mac_configuration_cmd *config =
6693                                                 bnx2x_sp(bp, mcast_config);
6694
6695                 bnx2x_set_mac_addr_e1(bp, 0);
6696
6697                 for (i = 0; i < config->hdr.length_6b; i++)
6698                         CAM_INVALIDATE(config->config_table[i]);
6699
6700                 config->hdr.length_6b = i;
6701                 if (CHIP_REV_IS_SLOW(bp))
6702                         config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6703                 else
6704                         config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6705                 config->hdr.client_id = BP_CL_ID(bp);
6706                 config->hdr.reserved1 = 0;
6707
6708                 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6709                               U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6710                               U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6711
6712         } else { /* E1H */
6713                 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6714
6715                 bnx2x_set_mac_addr_e1h(bp, 0);
6716
6717                 for (i = 0; i < MC_HASH_SIZE; i++)
6718                         REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6719         }
6720
6721         if (unload_mode == UNLOAD_NORMAL)
6722                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6723
6724         else if (bp->flags & NO_WOL_FLAG) {
6725                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6726                 if (CHIP_IS_E1H(bp))
6727                         REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6728
6729         } else if (bp->wol) {
6730                 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6731                 u8 *mac_addr = bp->dev->dev_addr;
6732                 u32 val;
6733                 /* The mac address is written to entries 1-4 to
6734                    preserve entry 0 which is used by the PMF */
6735                 u8 entry = (BP_E1HVN(bp) + 1)*8;
6736
6737                 val = (mac_addr[0] << 8) | mac_addr[1];
6738                 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
6739
6740                 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6741                       (mac_addr[4] << 8) | mac_addr[5];
6742                 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
6743
6744                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6745
6746         } else
6747                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6748
6749         /* Close multi and leading connections
6750            Completions for ramrods are collected in a synchronous way */
6751         for_each_nondefault_queue(bp, i)
6752                 if (bnx2x_stop_multi(bp, i))
6753                         goto unload_error;
6754
6755         rc = bnx2x_stop_leading(bp);
6756         if (rc) {
6757                 BNX2X_ERR("Stop leading failed!\n");
6758 #ifdef BNX2X_STOP_ON_ERROR
6759                 return -EBUSY;
6760 #else
6761                 goto unload_error;
6762 #endif
6763         }
6764
6765 unload_error:
6766         if (!BP_NOMCP(bp))
6767                 reset_code = bnx2x_fw_command(bp, reset_code);
6768         else {
6769                 DP(NETIF_MSG_IFDOWN, "NO MCP load counts      %d, %d, %d\n",
6770                    load_count[0], load_count[1], load_count[2]);
6771                 load_count[0]--;
6772                 load_count[1 + port]--;
6773                 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts  %d, %d, %d\n",
6774                    load_count[0], load_count[1], load_count[2]);
6775                 if (load_count[0] == 0)
6776                         reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
6777                 else if (load_count[1 + port] == 0)
6778                         reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6779                 else
6780                         reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6781         }
6782
6783         if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6784             (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6785                 bnx2x__link_reset(bp);
6786
6787         /* Reset the chip */
6788         bnx2x_reset_chip(bp, reset_code);
6789
6790         /* Report UNLOAD_DONE to MCP */
6791         if (!BP_NOMCP(bp))
6792                 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6793
6794         /* Free SKBs, SGEs, TPA pool and driver internals */
6795         bnx2x_free_skbs(bp);
6796         for_each_queue(bp, i)
6797                 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6798         bnx2x_free_mem(bp);
6799
6800         bp->state = BNX2X_STATE_CLOSED;
6801
6802         netif_carrier_off(bp->dev);
6803
6804         return 0;
6805 }
6806
6807 static void bnx2x_reset_task(struct work_struct *work)
6808 {
6809         struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6810
6811 #ifdef BNX2X_STOP_ON_ERROR
6812         BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6813                   " so reset not done to allow debug dump,\n"
6814          KERN_ERR " you will need to reboot when done\n");
6815         return;
6816 #endif
6817
6818         rtnl_lock();
6819
6820         if (!netif_running(bp->dev))
6821                 goto reset_task_exit;
6822
6823         bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6824         bnx2x_nic_load(bp, LOAD_NORMAL);
6825
6826 reset_task_exit:
6827         rtnl_unlock();
6828 }
6829
6830 /* end of nic load/unload */
6831
6832 /* ethtool_ops */
6833
6834 /*
6835  * Init service functions
6836  */
6837
6838 static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
6839 {
6840         u32 val;
6841
6842         /* Check if there is any driver already loaded */
6843         val = REG_RD(bp, MISC_REG_UNPREPARED);
6844         if (val == 0x1) {
6845                 /* Check if it is the UNDI driver
6846                  * UNDI driver initializes CID offset for normal bell to 0x7
6847                  */
6848                 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6849                 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6850                 if (val == 0x7)
6851                         REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
6852                 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6853
6854                 if (val == 0x7) {
6855                         u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6856                         /* save our func */
6857                         int func = BP_FUNC(bp);
6858                         u32 swap_en;
6859                         u32 swap_val;
6860
6861                         BNX2X_DEV_INFO("UNDI is active! reset device\n");
6862
6863                         /* try unload UNDI on port 0 */
6864                         bp->func = 0;
6865                         bp->fw_seq =
6866                                (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6867                                 DRV_MSG_SEQ_NUMBER_MASK);
6868                         reset_code = bnx2x_fw_command(bp, reset_code);
6869
6870                         /* if UNDI is loaded on the other port */
6871                         if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6872
6873                                 /* send "DONE" for previous unload */
6874                                 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6875
6876                                 /* unload UNDI on port 1 */
6877                                 bp->func = 1;
6878                                 bp->fw_seq =
6879                                (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6880                                         DRV_MSG_SEQ_NUMBER_MASK);
6881                                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6882
6883                                 bnx2x_fw_command(bp, reset_code);
6884                         }
6885
6886                         REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6887                                     HC_REG_CONFIG_0), 0x1000);
6888
6889                         /* close input traffic and wait for it */
6890                         /* Do not rcv packets to BRB */
6891                         REG_WR(bp,
6892                               (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6893                                              NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6894                         /* Do not direct rcv packets that are not for MCP to
6895                          * the BRB */
6896                         REG_WR(bp,
6897                                (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6898                                               NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6899                         /* clear AEU */
6900                         REG_WR(bp,
6901                              (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6902                                             MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6903                         msleep(10);
6904
6905                         /* save NIG port swap info */
6906                         swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6907                         swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6908                         /* reset device */
6909                         REG_WR(bp,
6910                                GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6911                                0xd3ffffff);
6912                         REG_WR(bp,
6913                                GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6914                                0x1403);
6915                         /* take the NIG out of reset and restore swap values */
6916                         REG_WR(bp,
6917                                GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6918                                MISC_REGISTERS_RESET_REG_1_RST_NIG);
6919                         REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6920                         REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6921
6922                         /* send unload done to the MCP */
6923                         bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6924
6925                         /* restore our func and fw_seq */
6926                         bp->func = func;
6927                         bp->fw_seq =
6928                                (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6929                                 DRV_MSG_SEQ_NUMBER_MASK);
6930                 }
6931         }
6932 }
6933
6934 static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6935 {
6936         u32 val, val2, val3, val4, id;
6937         u16 pmc;
6938
6939         /* Get the chip revision id and number. */
6940         /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6941         val = REG_RD(bp, MISC_REG_CHIP_NUM);
6942         id = ((val & 0xffff) << 16);
6943         val = REG_RD(bp, MISC_REG_CHIP_REV);
6944         id |= ((val & 0xf) << 12);
6945         val = REG_RD(bp, MISC_REG_CHIP_METAL);
6946         id |= ((val & 0xff) << 4);
6947         REG_RD(bp, MISC_REG_BOND_ID);
6948         id |= (val & 0xf);
6949         bp->common.chip_id = id;
6950         bp->link_params.chip_id = bp->common.chip_id;
6951         BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6952
6953         val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6954         bp->common.flash_size = (NVRAM_1MB_SIZE <<
6955                                  (val & MCPR_NVM_CFG4_FLASH_SIZE));
6956         BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6957                        bp->common.flash_size, bp->common.flash_size);
6958
6959         bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6960         bp->link_params.shmem_base = bp->common.shmem_base;
6961         BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6962
6963         if (!bp->common.shmem_base ||
6964             (bp->common.shmem_base < 0xA0000) ||
6965             (bp->common.shmem_base >= 0xC0000)) {
6966                 BNX2X_DEV_INFO("MCP not active\n");
6967                 bp->flags |= NO_MCP_FLAG;
6968                 return;
6969         }
6970
6971         val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6972         if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6973                 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6974                 BNX2X_ERR("BAD MCP validity signature\n");
6975
6976         bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6977         bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6978
6979         BNX2X_DEV_INFO("hw_config 0x%08x  board 0x%08x\n",
6980                        bp->common.hw_config, bp->common.board);
6981
6982         bp->link_params.hw_led_mode = ((bp->common.hw_config &
6983                                         SHARED_HW_CFG_LED_MODE_MASK) >>
6984                                        SHARED_HW_CFG_LED_MODE_SHIFT);
6985
6986         val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6987         bp->common.bc_ver = val;
6988         BNX2X_DEV_INFO("bc_ver %X\n", val);
6989         if (val < BNX2X_BC_VER) {
6990                 /* for now only warn
6991                  * later we might need to enforce this */
6992                 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6993                           " please upgrade BC\n", BNX2X_BC_VER, val);
6994         }
6995
6996         if (BP_E1HVN(bp) == 0) {
6997                 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
6998                 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
6999         } else {
7000                 /* no WOL capability for E1HVN != 0 */
7001                 bp->flags |= NO_WOL_FLAG;
7002         }
7003         BNX2X_DEV_INFO("%sWoL capable\n",
7004                        (bp->flags & NO_WOL_FLAG) ? "Not " : "");
7005
7006         val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7007         val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7008         val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7009         val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7010
7011         printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
7012                val, val2, val3, val4);
7013 }
7014
7015 static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7016                                                     u32 switch_cfg)
7017 {
7018         int port = BP_PORT(bp);
7019         u32 ext_phy_type;
7020
7021         switch (switch_cfg) {
7022         case SWITCH_CFG_1G:
7023                 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
7024
7025                 ext_phy_type =
7026                         SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7027                 switch (ext_phy_type) {
7028                 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7029                         BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7030                                        ext_phy_type);
7031
7032                         bp->port.supported |= (SUPPORTED_10baseT_Half |
7033                                                SUPPORTED_10baseT_Full |
7034                                                SUPPORTED_100baseT_Half |
7035                                                SUPPORTED_100baseT_Full |
7036                                                SUPPORTED_1000baseT_Full |
7037                                                SUPPORTED_2500baseX_Full |
7038                                                SUPPORTED_TP |
7039                                                SUPPORTED_FIBRE |
7040                                                SUPPORTED_Autoneg |
7041                                                SUPPORTED_Pause |
7042                                                SUPPORTED_Asym_Pause);
7043                         break;
7044
7045                 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7046                         BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7047                                        ext_phy_type);
7048
7049                         bp->port.supported |= (SUPPORTED_10baseT_Half |
7050                                                SUPPORTED_10baseT_Full |
7051                                                SUPPORTED_100baseT_Half |
7052                                                SUPPORTED_100baseT_Full |
7053                                                SUPPORTED_1000baseT_Full |
7054                                                SUPPORTED_TP |
7055                                                SUPPORTED_FIBRE |
7056                                                SUPPORTED_Autoneg |
7057                                                SUPPORTED_Pause |
7058                                                SUPPORTED_Asym_Pause);
7059                         break;
7060
7061                 default:
7062                         BNX2X_ERR("NVRAM config error. "
7063                                   "BAD SerDes ext_phy_config 0x%x\n",
7064                                   bp->link_params.ext_phy_config);
7065                         return;
7066                 }
7067
7068                 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7069                                            port*0x10);
7070                 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7071                 break;
7072
7073         case SWITCH_CFG_10G:
7074                 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7075
7076                 ext_phy_type =
7077                         XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7078                 switch (ext_phy_type) {
7079                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7080                         BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7081                                        ext_phy_type);
7082
7083                         bp->port.supported |= (SUPPORTED_10baseT_Half |
7084                                                SUPPORTED_10baseT_Full |
7085                                                SUPPORTED_100baseT_Half |
7086                                                SUPPORTED_100baseT_Full |
7087                                                SUPPORTED_1000baseT_Full |
7088                                                SUPPORTED_2500baseX_Full |
7089                                                SUPPORTED_10000baseT_Full |
7090                                                SUPPORTED_TP |
7091                                                SUPPORTED_FIBRE |
7092                                                SUPPORTED_Autoneg |
7093                                                SUPPORTED_Pause |
7094                                                SUPPORTED_Asym_Pause);
7095                         break;
7096
7097                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7098                         BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
7099                                        ext_phy_type);
7100
7101                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7102                                                SUPPORTED_FIBRE |
7103                                                SUPPORTED_Pause |
7104                                                SUPPORTED_Asym_Pause);
7105                         break;
7106
7107                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7108                         BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7109                                        ext_phy_type);
7110
7111                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7112                                                SUPPORTED_1000baseT_Full |
7113                                                SUPPORTED_FIBRE |
7114                                                SUPPORTED_Pause |
7115                                                SUPPORTED_Asym_Pause);
7116                         break;
7117
7118                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7119                         BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7120                                        ext_phy_type);
7121
7122                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7123                                                SUPPORTED_1000baseT_Full |
7124                                                SUPPORTED_FIBRE |
7125                                                SUPPORTED_Autoneg |
7126                                                SUPPORTED_Pause |
7127                                                SUPPORTED_Asym_Pause);
7128                         break;
7129
7130                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7131                         BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7132                                        ext_phy_type);
7133
7134                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7135                                                SUPPORTED_2500baseX_Full |
7136                                                SUPPORTED_1000baseT_Full |
7137                                                SUPPORTED_FIBRE |
7138                                                SUPPORTED_Autoneg |
7139                                                SUPPORTED_Pause |
7140                                                SUPPORTED_Asym_Pause);
7141                         break;
7142
7143                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7144                         BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7145                                        ext_phy_type);
7146
7147                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7148                                                SUPPORTED_TP |
7149                                                SUPPORTED_Autoneg |
7150                                                SUPPORTED_Pause |
7151                                                SUPPORTED_Asym_Pause);
7152                         break;
7153
7154                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7155                         BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7156                                   bp->link_params.ext_phy_config);
7157                         break;
7158
7159                 default:
7160                         BNX2X_ERR("NVRAM config error. "
7161                                   "BAD XGXS ext_phy_config 0x%x\n",
7162                                   bp->link_params.ext_phy_config);
7163                         return;
7164                 }
7165
7166                 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7167                                            port*0x18);
7168                 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7169
7170                 break;
7171
7172         default:
7173                 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7174                           bp->port.link_config);
7175                 return;
7176         }
7177         bp->link_params.phy_addr = bp->port.phy_addr;
7178
7179         /* mask what we support according to speed_cap_mask */
7180         if (!(bp->link_params.speed_cap_mask &
7181                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7182                 bp->port.supported &= ~SUPPORTED_10baseT_Half;
7183
7184         if (!(bp->link_params.speed_cap_mask &
7185                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7186                 bp->port.supported &= ~SUPPORTED_10baseT_Full;
7187
7188         if (!(bp->link_params.speed_cap_mask &
7189                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7190                 bp->port.supported &= ~SUPPORTED_100baseT_Half;
7191
7192         if (!(bp->link_params.speed_cap_mask &
7193                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7194                 bp->port.supported &= ~SUPPORTED_100baseT_Full;
7195
7196         if (!(bp->link_params.speed_cap_mask &
7197                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7198                 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7199                                         SUPPORTED_1000baseT_Full);
7200
7201         if (!(bp->link_params.speed_cap_mask &
7202                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7203                 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
7204
7205         if (!(bp->link_params.speed_cap_mask &
7206                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
7207                 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
7208
7209         BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
7210 }
7211
7212 static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
7213 {
7214         bp->link_params.req_duplex = DUPLEX_FULL;
7215
7216         switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
7217         case PORT_FEATURE_LINK_SPEED_AUTO:
7218                 if (bp->port.supported & SUPPORTED_Autoneg) {
7219                         bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7220                         bp->port.advertising = bp->port.supported;
7221                 } else {
7222                         u32 ext_phy_type =
7223                             XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7224
7225                         if ((ext_phy_type ==
7226                              PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7227                             (ext_phy_type ==
7228                              PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
7229                                 /* force 10G, no AN */
7230                                 bp->link_params.req_line_speed = SPEED_10000;
7231                                 bp->port.advertising =
7232                                                 (ADVERTISED_10000baseT_Full |
7233                                                  ADVERTISED_FIBRE);
7234                                 break;
7235                         }
7236                         BNX2X_ERR("NVRAM config error. "
7237                                   "Invalid link_config 0x%x"
7238                                   "  Autoneg not supported\n",
7239                                   bp->port.link_config);
7240                         return;
7241                 }
7242                 break;
7243
7244         case PORT_FEATURE_LINK_SPEED_10M_FULL:
7245                 if (bp->port.supported & SUPPORTED_10baseT_Full) {
7246                         bp->link_params.req_line_speed = SPEED_10;
7247                         bp->port.advertising = (ADVERTISED_10baseT_Full |
7248                                                 ADVERTISED_TP);
7249                 } else {
7250                         BNX2X_ERR("NVRAM config error. "
7251                                   "Invalid link_config 0x%x"
7252                                   "  speed_cap_mask 0x%x\n",
7253                                   bp->port.link_config,
7254                                   bp->link_params.speed_cap_mask);
7255                         return;
7256                 }
7257                 break;
7258
7259         case PORT_FEATURE_LINK_SPEED_10M_HALF:
7260                 if (bp->port.supported & SUPPORTED_10baseT_Half) {
7261                         bp->link_params.req_line_speed = SPEED_10;
7262                         bp->link_params.req_duplex = DUPLEX_HALF;
7263                         bp->port.advertising = (ADVERTISED_10baseT_Half |
7264                                                 ADVERTISED_TP);
7265                 } else {
7266                         BNX2X_ERR("NVRAM config error. "
7267                                   "Invalid link_config 0x%x"
7268                                   "  speed_cap_mask 0x%x\n",
7269                                   bp->port.link_config,
7270                                   bp->link_params.speed_cap_mask);
7271                         return;
7272                 }
7273                 break;
7274
7275         case PORT_FEATURE_LINK_SPEED_100M_FULL:
7276                 if (bp->port.supported & SUPPORTED_100baseT_Full) {
7277                         bp->link_params.req_line_speed = SPEED_100;
7278                         bp->port.advertising = (ADVERTISED_100baseT_Full |
7279                                                 ADVERTISED_TP);
7280                 } else {
7281                         BNX2X_ERR("NVRAM config error. "
7282                                   "Invalid link_config 0x%x"
7283                                   "  speed_cap_mask 0x%x\n",
7284                                   bp->port.link_config,
7285                                   bp->link_params.speed_cap_mask);
7286                         return;
7287                 }
7288                 break;
7289
7290         case PORT_FEATURE_LINK_SPEED_100M_HALF:
7291                 if (bp->port.supported & SUPPORTED_100baseT_Half) {
7292                         bp->link_params.req_line_speed = SPEED_100;
7293                         bp->link_params.req_duplex = DUPLEX_HALF;
7294                         bp->port.advertising = (ADVERTISED_100baseT_Half |
7295                                                 ADVERTISED_TP);
7296                 } else {
7297                         BNX2X_ERR("NVRAM config error. "
7298                                   "Invalid link_config 0x%x"
7299                                   "  speed_cap_mask 0x%x\n",
7300                                   bp->port.link_config,
7301                                   bp->link_params.speed_cap_mask);
7302                         return;
7303                 }
7304                 break;
7305
7306         case PORT_FEATURE_LINK_SPEED_1G:
7307                 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
7308                         bp->link_params.req_line_speed = SPEED_1000;
7309                         bp->port.advertising = (ADVERTISED_1000baseT_Full |
7310                                                 ADVERTISED_TP);
7311                 } else {
7312                         BNX2X_ERR("NVRAM config error. "
7313                                   "Invalid link_config 0x%x"
7314                                   "  speed_cap_mask 0x%x\n",
7315                                   bp->port.link_config,
7316                                   bp->link_params.speed_cap_mask);
7317                         return;
7318                 }
7319                 break;
7320
7321         case PORT_FEATURE_LINK_SPEED_2_5G:
7322                 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
7323                         bp->link_params.req_line_speed = SPEED_2500;
7324                         bp->port.advertising = (ADVERTISED_2500baseX_Full |
7325                                                 ADVERTISED_TP);
7326                 } else {
7327                         BNX2X_ERR("NVRAM config error. "
7328                                   "Invalid link_config 0x%x"
7329                                   "  speed_cap_mask 0x%x\n",
7330                                   bp->port.link_config,
7331                                   bp->link_params.speed_cap_mask);
7332                         return;
7333                 }
7334                 break;
7335
7336         case PORT_FEATURE_LINK_SPEED_10G_CX4:
7337         case PORT_FEATURE_LINK_SPEED_10G_KX4:
7338         case PORT_FEATURE_LINK_SPEED_10G_KR:
7339                 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
7340                         bp->link_params.req_line_speed = SPEED_10000;
7341                         bp->port.advertising = (ADVERTISED_10000baseT_Full |
7342                                                 ADVERTISED_FIBRE);
7343                 } else {
7344                         BNX2X_ERR("NVRAM config error. "
7345                                   "Invalid link_config 0x%x"
7346                                   "  speed_cap_mask 0x%x\n",
7347                                   bp->port.link_config,
7348                                   bp->link_params.speed_cap_mask);
7349                         return;
7350                 }
7351                 break;
7352
7353         default:
7354                 BNX2X_ERR("NVRAM config error. "
7355                           "BAD link speed link_config 0x%x\n",
7356                           bp->port.link_config);
7357                 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7358                 bp->port.advertising = bp->port.supported;
7359                 break;
7360         }
7361
7362         bp->link_params.req_flow_ctrl = (bp->port.link_config &
7363                                          PORT_FEATURE_FLOW_CONTROL_MASK);
7364         if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
7365             !(bp->port.supported & SUPPORTED_Autoneg))
7366                 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
7367
7368         BNX2X_DEV_INFO("req_line_speed %d  req_duplex %d  req_flow_ctrl 0x%x"
7369                        "  advertising 0x%x\n",
7370                        bp->link_params.req_line_speed,
7371                        bp->link_params.req_duplex,
7372                        bp->link_params.req_flow_ctrl, bp->port.advertising);
7373 }
7374
7375 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
7376 {
7377         int port = BP_PORT(bp);
7378         u32 val, val2;
7379
7380         bp->link_params.bp = bp;
7381         bp->link_params.port = port;
7382
7383         bp->link_params.serdes_config =
7384                 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
7385         bp->link_params.lane_config =
7386                 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
7387         bp->link_params.ext_phy_config =
7388                 SHMEM_RD(bp,
7389                          dev_info.port_hw_config[port].external_phy_config);
7390         bp->link_params.speed_cap_mask =
7391                 SHMEM_RD(bp,
7392                          dev_info.port_hw_config[port].speed_capability_mask);
7393
7394         bp->port.link_config =
7395                 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7396
7397         BNX2X_DEV_INFO("serdes_config 0x%08x  lane_config 0x%08x\n"
7398              KERN_INFO "  ext_phy_config 0x%08x  speed_cap_mask 0x%08x"
7399                        "  link_config 0x%08x\n",
7400                        bp->link_params.serdes_config,
7401                        bp->link_params.lane_config,
7402                        bp->link_params.ext_phy_config,
7403                        bp->link_params.speed_cap_mask, bp->port.link_config);
7404
7405         bp->link_params.switch_cfg = (bp->port.link_config &
7406                                       PORT_FEATURE_CONNECTED_SWITCH_MASK);
7407         bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
7408
7409         bnx2x_link_settings_requested(bp);
7410
7411         val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7412         val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7413         bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7414         bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7415         bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7416         bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7417         bp->dev->dev_addr[4] = (u8)(val >> 8  & 0xff);
7418         bp->dev->dev_addr[5] = (u8)(val & 0xff);
7419         memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7420         memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7421 }
7422
7423 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7424 {
7425         int func = BP_FUNC(bp);
7426         u32 val, val2;
7427         int rc = 0;
7428
7429         bnx2x_get_common_hwinfo(bp);
7430
7431         bp->e1hov = 0;
7432         bp->e1hmf = 0;
7433         if (CHIP_IS_E1H(bp)) {
7434                 bp->mf_config =
7435                         SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
7436
7437                 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7438                        FUNC_MF_CFG_E1HOV_TAG_MASK);
7439                 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
7440
7441                         bp->e1hov = val;
7442                         bp->e1hmf = 1;
7443                         BNX2X_DEV_INFO("MF mode  E1HOV for func %d is %d "
7444                                        "(0x%04x)\n",
7445                                        func, bp->e1hov, bp->e1hov);
7446                 } else {
7447                         BNX2X_DEV_INFO("Single function mode\n");
7448                         if (BP_E1HVN(bp)) {
7449                                 BNX2X_ERR("!!!  No valid E1HOV for func %d,"
7450                                           "  aborting\n", func);
7451                                 rc = -EPERM;
7452                         }
7453                 }
7454         }
7455
7456         if (!BP_NOMCP(bp)) {
7457                 bnx2x_get_port_hwinfo(bp);
7458
7459                 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7460                               DRV_MSG_SEQ_NUMBER_MASK);
7461                 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7462         }
7463
7464         if (IS_E1HMF(bp)) {
7465                 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7466                 val = SHMEM_RD(bp,  mf_cfg.func_mf_config[func].mac_lower);
7467                 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7468                     (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7469                         bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7470                         bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7471                         bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7472                         bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7473                         bp->dev->dev_addr[4] = (u8)(val >> 8  & 0xff);
7474                         bp->dev->dev_addr[5] = (u8)(val & 0xff);
7475                         memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7476                                ETH_ALEN);
7477                         memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7478                                ETH_ALEN);
7479                 }
7480
7481                 return rc;
7482         }
7483
7484         if (BP_NOMCP(bp)) {
7485                 /* only supposed to happen on emulation/FPGA */
7486                 BNX2X_ERR("warning random MAC workaround active\n");
7487                 random_ether_addr(bp->dev->dev_addr);
7488                 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7489         }
7490
7491         return rc;
7492 }
7493
7494 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7495 {
7496         int func = BP_FUNC(bp);
7497         int rc;
7498
7499         /* Disable interrupt handling until HW is initialized */
7500         atomic_set(&bp->intr_sem, 1);
7501
7502         mutex_init(&bp->port.phy_mutex);
7503
7504         INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7505         INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7506
7507         rc = bnx2x_get_hwinfo(bp);
7508
7509         /* need to reset chip if undi was active */
7510         if (!BP_NOMCP(bp))
7511                 bnx2x_undi_unload(bp);
7512
7513         if (CHIP_REV_IS_FPGA(bp))
7514                 printk(KERN_ERR PFX "FPGA detected\n");
7515
7516         if (BP_NOMCP(bp) && (func == 0))
7517                 printk(KERN_ERR PFX
7518                        "MCP disabled, must load devices in order!\n");
7519
7520         /* Set TPA flags */
7521         if (disable_tpa) {
7522                 bp->flags &= ~TPA_ENABLE_FLAG;
7523                 bp->dev->features &= ~NETIF_F_LRO;
7524         } else {
7525                 bp->flags |= TPA_ENABLE_FLAG;
7526                 bp->dev->features |= NETIF_F_LRO;
7527         }
7528
7529
7530         bp->tx_ring_size = MAX_TX_AVAIL;
7531         bp->rx_ring_size = MAX_RX_AVAIL;
7532
7533         bp->rx_csum = 1;
7534         bp->rx_offset = 0;
7535
7536         bp->tx_ticks = 50;
7537         bp->rx_ticks = 25;
7538
7539         bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7540         bp->current_interval = (poll ? poll : bp->timer_interval);
7541
7542         init_timer(&bp->timer);
7543         bp->timer.expires = jiffies + bp->current_interval;
7544         bp->timer.data = (unsigned long) bp;
7545         bp->timer.function = bnx2x_timer;
7546
7547         return rc;
7548 }
7549
7550 /*
7551  * ethtool service functions
7552  */
7553
7554 /* All ethtool functions called with rtnl_lock */
7555
7556 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7557 {
7558         struct bnx2x *bp = netdev_priv(dev);
7559
7560         cmd->supported = bp->port.supported;
7561         cmd->advertising = bp->port.advertising;
7562
7563         if (netif_carrier_ok(dev)) {
7564                 cmd->speed = bp->link_vars.line_speed;
7565                 cmd->duplex = bp->link_vars.duplex;
7566         } else {
7567                 cmd->speed = bp->link_params.req_line_speed;
7568                 cmd->duplex = bp->link_params.req_duplex;
7569         }
7570         if (IS_E1HMF(bp)) {
7571                 u16 vn_max_rate;
7572
7573                 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7574                                 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7575                 if (vn_max_rate < cmd->speed)
7576                         cmd->speed = vn_max_rate;
7577         }
7578
7579         if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7580                 u32 ext_phy_type =
7581                         XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7582
7583                 switch (ext_phy_type) {
7584                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7585                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7586                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7587                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7588                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7589                         cmd->port = PORT_FIBRE;
7590                         break;
7591
7592                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7593                         cmd->port = PORT_TP;
7594                         break;
7595
7596                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7597                         BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7598                                   bp->link_params.ext_phy_config);
7599                         break;
7600
7601                 default:
7602                         DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
7603                            bp->link_params.ext_phy_config);
7604                         break;
7605                 }
7606         } else
7607                 cmd->port = PORT_TP;
7608
7609         cmd->phy_address = bp->port.phy_addr;
7610         cmd->transceiver = XCVR_INTERNAL;
7611
7612         if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
7613                 cmd->autoneg = AUTONEG_ENABLE;
7614         else
7615                 cmd->autoneg = AUTONEG_DISABLE;
7616
7617         cmd->maxtxpkt = 0;
7618         cmd->maxrxpkt = 0;
7619
7620         DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7621            DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %d\n"
7622            DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
7623            DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
7624            cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7625            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7626            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7627
7628         return 0;
7629 }
7630
7631 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7632 {
7633         struct bnx2x *bp = netdev_priv(dev);
7634         u32 advertising;
7635
7636         if (IS_E1HMF(bp))
7637                 return 0;
7638
7639         DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7640            DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %d\n"
7641            DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
7642            DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
7643            cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7644            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7645            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7646
7647         if (cmd->autoneg == AUTONEG_ENABLE) {
7648                 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7649                         DP(NETIF_MSG_LINK, "Autoneg not supported\n");
7650                         return -EINVAL;
7651                 }
7652
7653                 /* advertise the requested speed and duplex if supported */
7654                 cmd->advertising &= bp->port.supported;
7655
7656                 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7657                 bp->link_params.req_duplex = DUPLEX_FULL;
7658                 bp->port.advertising |= (ADVERTISED_Autoneg |
7659                                          cmd->advertising);
7660
7661         } else { /* forced speed */
7662                 /* advertise the requested speed and duplex if supported */
7663                 switch (cmd->speed) {
7664                 case SPEED_10:
7665                         if (cmd->duplex == DUPLEX_FULL) {
7666                                 if (!(bp->port.supported &
7667                                       SUPPORTED_10baseT_Full)) {
7668                                         DP(NETIF_MSG_LINK,
7669                                            "10M full not supported\n");
7670                                         return -EINVAL;
7671                                 }
7672
7673                                 advertising = (ADVERTISED_10baseT_Full |
7674                                                ADVERTISED_TP);
7675                         } else {
7676                                 if (!(bp->port.supported &
7677                                       SUPPORTED_10baseT_Half)) {
7678                                         DP(NETIF_MSG_LINK,
7679                                            "10M half not supported\n");
7680                                         return -EINVAL;
7681                                 }
7682
7683                                 advertising = (ADVERTISED_10baseT_Half |
7684                                                ADVERTISED_TP);
7685                         }
7686                         break;
7687
7688                 case SPEED_100:
7689                         if (cmd->duplex == DUPLEX_FULL) {
7690                                 if (!(bp->port.supported &
7691                                                 SUPPORTED_100baseT_Full)) {
7692                                         DP(NETIF_MSG_LINK,
7693                                            "100M full not supported\n");
7694                                         return -EINVAL;
7695                                 }
7696
7697                                 advertising = (ADVERTISED_100baseT_Full |
7698                                                ADVERTISED_TP);
7699                         } else {
7700                                 if (!(bp->port.supported &
7701                                                 SUPPORTED_100baseT_Half)) {
7702                                         DP(NETIF_MSG_LINK,
7703                                            "100M half not supported\n");
7704                                         return -EINVAL;
7705                                 }
7706
7707                                 advertising = (ADVERTISED_100baseT_Half |
7708                                                ADVERTISED_TP);
7709                         }
7710                         break;
7711
7712                 case SPEED_1000:
7713                         if (cmd->duplex != DUPLEX_FULL) {
7714                                 DP(NETIF_MSG_LINK, "1G half not supported\n");
7715                                 return -EINVAL;
7716                         }
7717
7718                         if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
7719                                 DP(NETIF_MSG_LINK, "1G full not supported\n");
7720                                 return -EINVAL;
7721                         }
7722
7723                         advertising = (ADVERTISED_1000baseT_Full |
7724                                        ADVERTISED_TP);
7725                         break;
7726
7727                 case SPEED_2500:
7728                         if (cmd->duplex != DUPLEX_FULL) {
7729                                 DP(NETIF_MSG_LINK,
7730                                    "2.5G half not supported\n");
7731                                 return -EINVAL;
7732                         }
7733
7734                         if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
7735                                 DP(NETIF_MSG_LINK,
7736                                    "2.5G full not supported\n");
7737                                 return -EINVAL;
7738                         }
7739
7740                         advertising = (ADVERTISED_2500baseX_Full |
7741                                        ADVERTISED_TP);
7742                         break;
7743
7744                 case SPEED_10000:
7745                         if (cmd->duplex != DUPLEX_FULL) {
7746                                 DP(NETIF_MSG_LINK, "10G half not supported\n");
7747                                 return -EINVAL;
7748                         }
7749
7750                         if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
7751                                 DP(NETIF_MSG_LINK, "10G full not supported\n");
7752                                 return -EINVAL;
7753                         }
7754
7755                         advertising = (ADVERTISED_10000baseT_Full |
7756                                        ADVERTISED_FIBRE);
7757                         break;
7758
7759                 default:
7760                         DP(NETIF_MSG_LINK, "Unsupported speed\n");
7761                         return -EINVAL;
7762                 }
7763
7764                 bp->link_params.req_line_speed = cmd->speed;
7765                 bp->link_params.req_duplex = cmd->duplex;
7766                 bp->port.advertising = advertising;
7767         }
7768
7769         DP(NETIF_MSG_LINK, "req_line_speed %d\n"
7770            DP_LEVEL "  req_duplex %d  advertising 0x%x\n",
7771            bp->link_params.req_line_speed, bp->link_params.req_duplex,
7772            bp->port.advertising);
7773
7774         if (netif_running(dev)) {
7775                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7776                 bnx2x_link_set(bp);
7777         }
7778
7779         return 0;
7780 }
7781
7782 #define PHY_FW_VER_LEN                  10
7783
7784 static void bnx2x_get_drvinfo(struct net_device *dev,
7785                               struct ethtool_drvinfo *info)
7786 {
7787         struct bnx2x *bp = netdev_priv(dev);
7788         u8 phy_fw_ver[PHY_FW_VER_LEN];
7789
7790         strcpy(info->driver, DRV_MODULE_NAME);
7791         strcpy(info->version, DRV_MODULE_VERSION);
7792
7793         phy_fw_ver[0] = '\0';
7794         if (bp->port.pmf) {
7795                 bnx2x_acquire_phy_lock(bp);
7796                 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7797                                              (bp->state != BNX2X_STATE_CLOSED),
7798                                              phy_fw_ver, PHY_FW_VER_LEN);
7799                 bnx2x_release_phy_lock(bp);
7800         }
7801
7802         snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7803                  (bp->common.bc_ver & 0xff0000) >> 16,
7804                  (bp->common.bc_ver & 0xff00) >> 8,
7805                  (bp->common.bc_ver & 0xff),
7806                  ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
7807         strcpy(info->bus_info, pci_name(bp->pdev));
7808         info->n_stats = BNX2X_NUM_STATS;
7809         info->testinfo_len = BNX2X_NUM_TESTS;
7810         info->eedump_len = bp->common.flash_size;
7811         info->regdump_len = 0;
7812 }
7813
7814 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7815 {
7816         struct bnx2x *bp = netdev_priv(dev);
7817
7818         if (bp->flags & NO_WOL_FLAG) {
7819                 wol->supported = 0;
7820                 wol->wolopts = 0;
7821         } else {
7822                 wol->supported = WAKE_MAGIC;
7823                 if (bp->wol)
7824                         wol->wolopts = WAKE_MAGIC;
7825                 else
7826                         wol->wolopts = 0;
7827         }
7828         memset(&wol->sopass, 0, sizeof(wol->sopass));
7829 }
7830
7831 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7832 {
7833         struct bnx2x *bp = netdev_priv(dev);
7834
7835         if (wol->wolopts & ~WAKE_MAGIC)
7836                 return -EINVAL;
7837
7838         if (wol->wolopts & WAKE_MAGIC) {
7839                 if (bp->flags & NO_WOL_FLAG)
7840                         return -EINVAL;
7841
7842                 bp->wol = 1;
7843         } else
7844                 bp->wol = 0;
7845
7846         return 0;
7847 }
7848
7849 static u32 bnx2x_get_msglevel(struct net_device *dev)
7850 {
7851         struct bnx2x *bp = netdev_priv(dev);
7852
7853         return bp->msglevel;
7854 }
7855
7856 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7857 {
7858         struct bnx2x *bp = netdev_priv(dev);
7859
7860         if (capable(CAP_NET_ADMIN))
7861                 bp->msglevel = level;
7862 }
7863
7864 static int bnx2x_nway_reset(struct net_device *dev)
7865 {
7866         struct bnx2x *bp = netdev_priv(dev);
7867
7868         if (!bp->port.pmf)
7869                 return 0;
7870
7871         if (netif_running(dev)) {
7872                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7873                 bnx2x_link_set(bp);
7874         }
7875
7876         return 0;
7877 }
7878
7879 static int bnx2x_get_eeprom_len(struct net_device *dev)
7880 {
7881         struct bnx2x *bp = netdev_priv(dev);
7882
7883         return bp->common.flash_size;
7884 }
7885
7886 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7887 {
7888         int port = BP_PORT(bp);
7889         int count, i;
7890         u32 val = 0;
7891
7892         /* adjust timeout for emulation/FPGA */
7893         count = NVRAM_TIMEOUT_COUNT;
7894         if (CHIP_REV_IS_SLOW(bp))
7895                 count *= 100;
7896
7897         /* request access to nvram interface */
7898         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7899                (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7900
7901         for (i = 0; i < count*10; i++) {
7902                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7903                 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7904                         break;
7905
7906                 udelay(5);
7907         }
7908
7909         if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
7910                 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
7911                 return -EBUSY;
7912         }
7913
7914         return 0;
7915 }
7916
7917 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7918 {
7919         int port = BP_PORT(bp);
7920         int count, i;
7921         u32 val = 0;
7922
7923         /* adjust timeout for emulation/FPGA */
7924         count = NVRAM_TIMEOUT_COUNT;
7925         if (CHIP_REV_IS_SLOW(bp))
7926                 count *= 100;
7927
7928         /* relinquish nvram interface */
7929         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7930                (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7931
7932         for (i = 0; i < count*10; i++) {
7933                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7934                 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7935                         break;
7936
7937                 udelay(5);
7938         }
7939
7940         if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
7941                 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
7942                 return -EBUSY;
7943         }
7944
7945         return 0;
7946 }
7947
7948 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7949 {
7950         u32 val;
7951
7952         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7953
7954         /* enable both bits, even on read */
7955         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7956                (val | MCPR_NVM_ACCESS_ENABLE_EN |
7957                       MCPR_NVM_ACCESS_ENABLE_WR_EN));
7958 }
7959
7960 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7961 {
7962         u32 val;
7963
7964         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7965
7966         /* disable both bits, even after read */
7967         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7968                (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7969                         MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7970 }
7971
7972 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7973                                   u32 cmd_flags)
7974 {
7975         int count, i, rc;
7976         u32 val;
7977
7978         /* build the command word */
7979         cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7980
7981         /* need to clear DONE bit separately */
7982         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7983
7984         /* address of the NVRAM to read from */
7985         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7986                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7987
7988         /* issue a read command */
7989         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7990
7991         /* adjust timeout for emulation/FPGA */
7992         count = NVRAM_TIMEOUT_COUNT;
7993         if (CHIP_REV_IS_SLOW(bp))
7994                 count *= 100;
7995
7996         /* wait for completion */
7997         *ret_val = 0;
7998         rc = -EBUSY;
7999         for (i = 0; i < count; i++) {
8000                 udelay(5);
8001                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8002
8003                 if (val & MCPR_NVM_COMMAND_DONE) {
8004                         val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
8005                         /* we read nvram data in cpu order
8006                          * but ethtool sees it as an array of bytes
8007                          * converting to big-endian will do the work */
8008                         val = cpu_to_be32(val);
8009                         *ret_val = val;
8010                         rc = 0;
8011                         break;
8012                 }
8013         }
8014
8015         return rc;
8016 }
8017
8018 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
8019                             int buf_size)
8020 {
8021         int rc;
8022         u32 cmd_flags;
8023         u32 val;
8024
8025         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8026                 DP(BNX2X_MSG_NVM,
8027                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
8028                    offset, buf_size);
8029                 return -EINVAL;
8030         }
8031
8032         if (offset + buf_size > bp->common.flash_size) {
8033                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8034                                   " buf_size (0x%x) > flash_size (0x%x)\n",
8035                    offset, buf_size, bp->common.flash_size);
8036                 return -EINVAL;
8037         }
8038
8039         /* request access to nvram interface */
8040         rc = bnx2x_acquire_nvram_lock(bp);
8041         if (rc)
8042                 return rc;
8043
8044         /* enable access to nvram interface */
8045         bnx2x_enable_nvram_access(bp);
8046
8047         /* read the first word(s) */
8048         cmd_flags = MCPR_NVM_COMMAND_FIRST;
8049         while ((buf_size > sizeof(u32)) && (rc == 0)) {
8050                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8051                 memcpy(ret_buf, &val, 4);
8052
8053                 /* advance to the next dword */
8054                 offset += sizeof(u32);
8055                 ret_buf += sizeof(u32);
8056                 buf_size -= sizeof(u32);
8057                 cmd_flags = 0;
8058         }
8059
8060         if (rc == 0) {
8061                 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8062                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8063                 memcpy(ret_buf, &val, 4);
8064         }
8065
8066         /* disable access to nvram interface */
8067         bnx2x_disable_nvram_access(bp);
8068         bnx2x_release_nvram_lock(bp);
8069
8070         return rc;
8071 }
8072
8073 static int bnx2x_get_eeprom(struct net_device *dev,
8074                             struct ethtool_eeprom *eeprom, u8 *eebuf)
8075 {
8076         struct bnx2x *bp = netdev_priv(dev);
8077         int rc;
8078
8079         DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8080            DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
8081            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8082            eeprom->len, eeprom->len);
8083
8084         /* parameters already validated in ethtool_get_eeprom */
8085
8086         rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8087
8088         return rc;
8089 }
8090
8091 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8092                                    u32 cmd_flags)
8093 {
8094         int count, i, rc;
8095
8096         /* build the command word */
8097         cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8098
8099         /* need to clear DONE bit separately */
8100         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8101
8102         /* write the data */
8103         REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8104
8105         /* address of the NVRAM to write to */
8106         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8107                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8108
8109         /* issue the write command */
8110         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8111
8112         /* adjust timeout for emulation/FPGA */
8113         count = NVRAM_TIMEOUT_COUNT;
8114         if (CHIP_REV_IS_SLOW(bp))
8115                 count *= 100;
8116
8117         /* wait for completion */
8118         rc = -EBUSY;
8119         for (i = 0; i < count; i++) {
8120                 udelay(5);
8121                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8122                 if (val & MCPR_NVM_COMMAND_DONE) {
8123                         rc = 0;
8124                         break;
8125                 }
8126         }
8127
8128         return rc;
8129 }
8130
8131 #define BYTE_OFFSET(offset)             (8 * (offset & 0x03))
8132
8133 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8134                               int buf_size)
8135 {
8136         int rc;
8137         u32 cmd_flags;
8138         u32 align_offset;
8139         u32 val;
8140
8141         if (offset + buf_size > bp->common.flash_size) {
8142                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8143                                   " buf_size (0x%x) > flash_size (0x%x)\n",
8144                    offset, buf_size, bp->common.flash_size);
8145                 return -EINVAL;
8146         }
8147
8148         /* request access to nvram interface */
8149         rc = bnx2x_acquire_nvram_lock(bp);
8150         if (rc)
8151                 return rc;
8152
8153         /* enable access to nvram interface */
8154         bnx2x_enable_nvram_access(bp);
8155
8156         cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8157         align_offset = (offset & ~0x03);
8158         rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8159
8160         if (rc == 0) {
8161                 val &= ~(0xff << BYTE_OFFSET(offset));
8162                 val |= (*data_buf << BYTE_OFFSET(offset));
8163
8164                 /* nvram data is returned as an array of bytes
8165                  * convert it back to cpu order */
8166                 val = be32_to_cpu(val);
8167
8168                 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8169                                              cmd_flags);
8170         }
8171
8172         /* disable access to nvram interface */
8173         bnx2x_disable_nvram_access(bp);
8174         bnx2x_release_nvram_lock(bp);
8175
8176         return rc;
8177 }
8178
8179 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8180                              int buf_size)
8181 {
8182         int rc;
8183         u32 cmd_flags;
8184         u32 val;
8185         u32 written_so_far;
8186
8187         if (buf_size == 1)      /* ethtool */
8188                 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
8189
8190         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8191                 DP(BNX2X_MSG_NVM,
8192                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
8193                    offset, buf_size);
8194                 return -EINVAL;
8195         }
8196
8197         if (offset + buf_size > bp->common.flash_size) {
8198                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8199                                   " buf_size (0x%x) > flash_size (0x%x)\n",
8200                    offset, buf_size, bp->common.flash_size);
8201                 return -EINVAL;
8202         }
8203
8204         /* request access to nvram interface */
8205         rc = bnx2x_acquire_nvram_lock(bp);
8206         if (rc)
8207                 return rc;
8208
8209         /* enable access to nvram interface */
8210         bnx2x_enable_nvram_access(bp);
8211
8212         written_so_far = 0;
8213         cmd_flags = MCPR_NVM_COMMAND_FIRST;
8214         while ((written_so_far < buf_size) && (rc == 0)) {
8215                 if (written_so_far == (buf_size - sizeof(u32)))
8216                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
8217                 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8218                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
8219                 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8220                         cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8221
8222                 memcpy(&val, data_buf, 4);
8223
8224                 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8225
8226                 /* advance to the next dword */
8227                 offset += sizeof(u32);
8228                 data_buf += sizeof(u32);
8229                 written_so_far += sizeof(u32);
8230                 cmd_flags = 0;
8231         }
8232
8233         /* disable access to nvram interface */
8234         bnx2x_disable_nvram_access(bp);
8235         bnx2x_release_nvram_lock(bp);
8236
8237         return rc;
8238 }
8239
8240 static int bnx2x_set_eeprom(struct net_device *dev,
8241                             struct ethtool_eeprom *eeprom, u8 *eebuf)
8242 {
8243         struct bnx2x *bp = netdev_priv(dev);
8244         int rc;
8245
8246         DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8247            DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
8248            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8249            eeprom->len, eeprom->len);
8250
8251         /* parameters already validated in ethtool_set_eeprom */
8252
8253         /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
8254         if (eeprom->magic == 0x00504859)
8255                 if (bp->port.pmf) {
8256
8257                         bnx2x_acquire_phy_lock(bp);
8258                         rc = bnx2x_flash_download(bp, BP_PORT(bp),
8259                                              bp->link_params.ext_phy_config,
8260                                              (bp->state != BNX2X_STATE_CLOSED),
8261                                              eebuf, eeprom->len);
8262                         if ((bp->state == BNX2X_STATE_OPEN) ||
8263                             (bp->state == BNX2X_STATE_DISABLED)) {
8264                                 rc |= bnx2x_link_reset(&bp->link_params,
8265                                                        &bp->link_vars);
8266                                 rc |= bnx2x_phy_init(&bp->link_params,
8267                                                      &bp->link_vars);
8268                         }
8269                         bnx2x_release_phy_lock(bp);
8270
8271                 } else /* Only the PMF can access the PHY */
8272                         return -EINVAL;
8273         else
8274                 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
8275
8276         return rc;
8277 }
8278
8279 static int bnx2x_get_coalesce(struct net_device *dev,
8280                               struct ethtool_coalesce *coal)
8281 {
8282         struct bnx2x *bp = netdev_priv(dev);
8283
8284         memset(coal, 0, sizeof(struct ethtool_coalesce));
8285
8286         coal->rx_coalesce_usecs = bp->rx_ticks;
8287         coal->tx_coalesce_usecs = bp->tx_ticks;
8288
8289         return 0;
8290 }
8291
8292 static int bnx2x_set_coalesce(struct net_device *dev,
8293                               struct ethtool_coalesce *coal)
8294 {
8295         struct bnx2x *bp = netdev_priv(dev);
8296
8297         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8298         if (bp->rx_ticks > 3000)
8299                 bp->rx_ticks = 3000;
8300
8301         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8302         if (bp->tx_ticks > 0x3000)
8303                 bp->tx_ticks = 0x3000;
8304
8305         if (netif_running(dev))
8306                 bnx2x_update_coalesce(bp);
8307
8308         return 0;
8309 }
8310
8311 static void bnx2x_get_ringparam(struct net_device *dev,
8312                                 struct ethtool_ringparam *ering)
8313 {
8314         struct bnx2x *bp = netdev_priv(dev);
8315
8316         ering->rx_max_pending = MAX_RX_AVAIL;
8317         ering->rx_mini_max_pending = 0;
8318         ering->rx_jumbo_max_pending = 0;
8319
8320         ering->rx_pending = bp->rx_ring_size;
8321         ering->rx_mini_pending = 0;
8322         ering->rx_jumbo_pending = 0;
8323
8324         ering->tx_max_pending = MAX_TX_AVAIL;
8325         ering->tx_pending = bp->tx_ring_size;
8326 }
8327
8328 static int bnx2x_set_ringparam(struct net_device *dev,
8329                                struct ethtool_ringparam *ering)
8330 {
8331         struct bnx2x *bp = netdev_priv(dev);
8332         int rc = 0;
8333
8334         if ((ering->rx_pending > MAX_RX_AVAIL) ||
8335             (ering->tx_pending > MAX_TX_AVAIL) ||
8336             (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8337                 return -EINVAL;
8338
8339         bp->rx_ring_size = ering->rx_pending;
8340         bp->tx_ring_size = ering->tx_pending;
8341
8342         if (netif_running(dev)) {
8343                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8344                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8345         }
8346
8347         return rc;
8348 }
8349
8350 static void bnx2x_get_pauseparam(struct net_device *dev,
8351                                  struct ethtool_pauseparam *epause)
8352 {
8353         struct bnx2x *bp = netdev_priv(dev);
8354
8355         epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8356                           (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8357
8358         epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8359                             FLOW_CTRL_RX);
8360         epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8361                             FLOW_CTRL_TX);
8362
8363         DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8364            DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
8365            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8366 }
8367
8368 static int bnx2x_set_pauseparam(struct net_device *dev,
8369                                 struct ethtool_pauseparam *epause)
8370 {
8371         struct bnx2x *bp = netdev_priv(dev);
8372
8373         if (IS_E1HMF(bp))
8374                 return 0;
8375
8376         DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8377            DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
8378            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8379
8380         bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8381
8382         if (epause->rx_pause)
8383                 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8384
8385         if (epause->tx_pause)
8386                 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8387
8388         if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8389                 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
8390
8391         if (epause->autoneg) {
8392                 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
8393                         DP(NETIF_MSG_LINK, "autoneg not supported\n");
8394                         return -EINVAL;
8395                 }
8396
8397                 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8398                         bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8399         }
8400
8401         DP(NETIF_MSG_LINK,
8402            "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
8403
8404         if (netif_running(dev)) {
8405                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
8406                 bnx2x_link_set(bp);
8407         }
8408
8409         return 0;
8410 }
8411
8412 static int bnx2x_set_flags(struct net_device *dev, u32 data)
8413 {
8414         struct bnx2x *bp = netdev_priv(dev);
8415         int changed = 0;
8416         int rc = 0;
8417
8418         /* TPA requires Rx CSUM offloading */
8419         if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8420                 if (!(dev->features & NETIF_F_LRO)) {
8421                         dev->features |= NETIF_F_LRO;
8422                         bp->flags |= TPA_ENABLE_FLAG;
8423                         changed = 1;
8424                 }
8425
8426         } else if (dev->features & NETIF_F_LRO) {
8427                 dev->features &= ~NETIF_F_LRO;
8428                 bp->flags &= ~TPA_ENABLE_FLAG;
8429                 changed = 1;
8430         }
8431
8432         if (changed && netif_running(dev)) {
8433                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8434                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8435         }
8436
8437         return rc;
8438 }
8439
8440 static u32 bnx2x_get_rx_csum(struct net_device *dev)
8441 {
8442         struct bnx2x *bp = netdev_priv(dev);
8443
8444         return bp->rx_csum;
8445 }
8446
8447 static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8448 {
8449         struct bnx2x *bp = netdev_priv(dev);
8450         int rc = 0;
8451
8452         bp->rx_csum = data;
8453
8454         /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8455            TPA'ed packets will be discarded due to wrong TCP CSUM */
8456         if (!data) {
8457                 u32 flags = ethtool_op_get_flags(dev);
8458
8459                 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8460         }
8461
8462         return rc;
8463 }
8464
8465 static int bnx2x_set_tso(struct net_device *dev, u32 data)
8466 {
8467         if (data) {
8468                 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
8469                 dev->features |= NETIF_F_TSO6;
8470         } else {
8471                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
8472                 dev->features &= ~NETIF_F_TSO6;
8473         }
8474
8475         return 0;
8476 }
8477
8478 static const struct {
8479         char string[ETH_GSTRING_LEN];
8480 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
8481         { "register_test (offline)" },
8482         { "memory_test (offline)" },
8483         { "loopback_test (offline)" },
8484         { "nvram_test (online)" },
8485         { "interrupt_test (online)" },
8486         { "link_test (online)" },
8487         { "idle check (online)" },
8488         { "MC errors (online)" }
8489 };
8490
8491 static int bnx2x_self_test_count(struct net_device *dev)
8492 {
8493         return BNX2X_NUM_TESTS;
8494 }
8495
8496 static int bnx2x_test_registers(struct bnx2x *bp)
8497 {
8498         int idx, i, rc = -ENODEV;
8499         u32 wr_val = 0;
8500         int port = BP_PORT(bp);
8501         static const struct {
8502                 u32  offset0;
8503                 u32  offset1;
8504                 u32  mask;
8505         } reg_tbl[] = {
8506 /* 0 */         { BRB1_REG_PAUSE_LOW_THRESHOLD_0,      4, 0x000003ff },
8507                 { DORQ_REG_DB_ADDR0,                   4, 0xffffffff },
8508                 { HC_REG_AGG_INT_0,                    4, 0x000003ff },
8509                 { PBF_REG_MAC_IF0_ENABLE,              4, 0x00000001 },
8510                 { PBF_REG_P0_INIT_CRD,                 4, 0x000007ff },
8511                 { PRS_REG_CID_PORT_0,                  4, 0x00ffffff },
8512                 { PXP2_REG_PSWRQ_CDU0_L2P,             4, 0x000fffff },
8513                 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR,    8, 0x0003ffff },
8514                 { PXP2_REG_PSWRQ_TM0_L2P,              4, 0x000fffff },
8515                 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR,   8, 0x0003ffff },
8516 /* 10 */        { PXP2_REG_PSWRQ_TSDM0_L2P,            4, 0x000fffff },
8517                 { QM_REG_CONNNUM_0,                    4, 0x000fffff },
8518                 { TM_REG_LIN0_MAX_ACTIVE_CID,          4, 0x0003ffff },
8519                 { SRC_REG_KEYRSS0_0,                  40, 0xffffffff },
8520                 { SRC_REG_KEYRSS0_7,                  40, 0xffffffff },
8521                 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8522                 { XCM_REG_WU_DA_CNT_CMD00,             4, 0x00000003 },
8523                 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0,       4, 0x000000ff },
8524                 { NIG_REG_EGRESS_MNG0_FIFO,           20, 0xffffffff },
8525                 { NIG_REG_LLH0_T_BIT,                  4, 0x00000001 },
8526 /* 20 */        { NIG_REG_EMAC0_IN_EN,                 4, 0x00000001 },
8527                 { NIG_REG_BMAC0_IN_EN,                 4, 0x00000001 },
8528                 { NIG_REG_XCM0_OUT_EN,                 4, 0x00000001 },
8529                 { NIG_REG_BRB0_OUT_EN,                 4, 0x00000001 },
8530                 { NIG_REG_LLH0_XCM_MASK,               4, 0x00000007 },
8531                 { NIG_REG_LLH0_ACPI_PAT_6_LEN,        68, 0x000000ff },
8532                 { NIG_REG_LLH0_ACPI_PAT_0_CRC,        68, 0xffffffff },
8533                 { NIG_REG_LLH0_DEST_MAC_0_0,         160, 0xffffffff },
8534                 { NIG_REG_LLH0_DEST_IP_0_1,          160, 0xffffffff },
8535                 { NIG_REG_LLH0_IPV4_IPV6_0,          160, 0x00000001 },
8536 /* 30 */        { NIG_REG_LLH0_DEST_UDP_0,           160, 0x0000ffff },
8537                 { NIG_REG_LLH0_DEST_TCP_0,           160, 0x0000ffff },
8538                 { NIG_REG_LLH0_VLAN_ID_0,            160, 0x00000fff },
8539                 { NIG_REG_XGXS_SERDES0_MODE_SEL,       4, 0x00000001 },
8540                 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8541                 { NIG_REG_STATUS_INTERRUPT_PORT0,      4, 0x07ffffff },
8542                 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8543                 { NIG_REG_SERDES0_CTRL_PHY_ADDR,      16, 0x0000001f },
8544
8545                 { 0xffffffff, 0, 0x00000000 }
8546         };
8547
8548         if (!netif_running(bp->dev))
8549                 return rc;
8550
8551         /* Repeat the test twice:
8552            First by writing 0x00000000, second by writing 0xffffffff */
8553         for (idx = 0; idx < 2; idx++) {
8554
8555                 switch (idx) {
8556                 case 0:
8557                         wr_val = 0;
8558                         break;
8559                 case 1:
8560                         wr_val = 0xffffffff;
8561                         break;
8562                 }
8563
8564                 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8565                         u32 offset, mask, save_val, val;
8566
8567                         offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8568                         mask = reg_tbl[i].mask;
8569
8570                         save_val = REG_RD(bp, offset);
8571
8572                         REG_WR(bp, offset, wr_val);
8573                         val = REG_RD(bp, offset);
8574
8575                         /* Restore the original register's value */
8576                         REG_WR(bp, offset, save_val);
8577
8578                         /* verify that value is as expected value */
8579                         if ((val & mask) != (wr_val & mask))
8580                                 goto test_reg_exit;
8581                 }
8582         }
8583
8584         rc = 0;
8585
8586 test_reg_exit:
8587         return rc;
8588 }
8589
8590 static int bnx2x_test_memory(struct bnx2x *bp)
8591 {
8592         int i, j, rc = -ENODEV;
8593         u32 val;
8594         static const struct {
8595                 u32 offset;
8596                 int size;
8597         } mem_tbl[] = {
8598                 { CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
8599                 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8600                 { CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
8601                 { DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
8602                 { TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
8603                 { UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
8604                 { XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },
8605
8606                 { 0xffffffff, 0 }
8607         };
8608         static const struct {
8609                 char *name;
8610                 u32 offset;
8611                 u32 e1_mask;
8612                 u32 e1h_mask;
8613         } prty_tbl[] = {
8614                 { "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,   0x3ffc0, 0 },
8615                 { "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,   0x2,     0x2 },
8616                 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0,       0 },
8617                 { "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,   0x3ffc0, 0 },
8618                 { "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,   0x3ffc0, 0 },
8619                 { "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,   0x3ffc1, 0 },
8620
8621                 { NULL, 0xffffffff, 0, 0 }
8622         };
8623
8624         if (!netif_running(bp->dev))
8625                 return rc;
8626
8627         /* Go through all the memories */
8628         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8629                 for (j = 0; j < mem_tbl[i].size; j++)
8630                         REG_RD(bp, mem_tbl[i].offset + j*4);
8631
8632         /* Check the parity status */
8633         for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8634                 val = REG_RD(bp, prty_tbl[i].offset);
8635                 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8636                     (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
8637                         DP(NETIF_MSG_HW,
8638                            "%s is 0x%x\n", prty_tbl[i].name, val);
8639                         goto test_mem_exit;
8640                 }
8641         }
8642
8643         rc = 0;
8644
8645 test_mem_exit:
8646         return rc;
8647 }
8648
8649 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8650 {
8651         int cnt = 1000;
8652
8653         if (link_up)
8654                 while (bnx2x_link_test(bp) && cnt--)
8655                         msleep(10);
8656 }
8657
8658 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8659 {
8660         unsigned int pkt_size, num_pkts, i;
8661         struct sk_buff *skb;
8662         unsigned char *packet;
8663         struct bnx2x_fastpath *fp = &bp->fp[0];
8664         u16 tx_start_idx, tx_idx;
8665         u16 rx_start_idx, rx_idx;
8666         u16 pkt_prod;
8667         struct sw_tx_bd *tx_buf;
8668         struct eth_tx_bd *tx_bd;
8669         dma_addr_t mapping;
8670         union eth_rx_cqe *cqe;
8671         u8 cqe_fp_flags;
8672         struct sw_rx_bd *rx_buf;
8673         u16 len;
8674         int rc = -ENODEV;
8675
8676         if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8677                 bp->link_params.loopback_mode = LOOPBACK_BMAC;
8678                 bnx2x_acquire_phy_lock(bp);
8679                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8680                 bnx2x_release_phy_lock(bp);
8681
8682         } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8683                 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
8684                 bnx2x_acquire_phy_lock(bp);
8685                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8686                 bnx2x_release_phy_lock(bp);
8687                 /* wait until link state is restored */
8688                 bnx2x_wait_for_link(bp, link_up);
8689
8690         } else
8691                 return -EINVAL;
8692
8693         pkt_size = 1514;
8694         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8695         if (!skb) {
8696                 rc = -ENOMEM;
8697                 goto test_loopback_exit;
8698         }
8699         packet = skb_put(skb, pkt_size);
8700         memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8701         memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8702         for (i = ETH_HLEN; i < pkt_size; i++)
8703                 packet[i] = (unsigned char) (i & 0xff);
8704
8705         num_pkts = 0;
8706         tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8707         rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8708
8709         pkt_prod = fp->tx_pkt_prod++;
8710         tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8711         tx_buf->first_bd = fp->tx_bd_prod;
8712         tx_buf->skb = skb;
8713
8714         tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8715         mapping = pci_map_single(bp->pdev, skb->data,
8716                                  skb_headlen(skb), PCI_DMA_TODEVICE);
8717         tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8718         tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8719         tx_bd->nbd = cpu_to_le16(1);
8720         tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8721         tx_bd->vlan = cpu_to_le16(pkt_prod);
8722         tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8723                                        ETH_TX_BD_FLAGS_END_BD);
8724         tx_bd->general_data = ((UNICAST_ADDRESS <<
8725                                 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8726
8727         fp->hw_tx_prods->bds_prod =
8728                 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8729         mb(); /* FW restriction: must not reorder writing nbd and packets */
8730         fp->hw_tx_prods->packets_prod =
8731                 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8732         DOORBELL(bp, FP_IDX(fp), 0);
8733
8734         mmiowb();
8735
8736         num_pkts++;
8737         fp->tx_bd_prod++;
8738         bp->dev->trans_start = jiffies;
8739
8740         udelay(100);
8741
8742         tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8743         if (tx_idx != tx_start_idx + num_pkts)
8744                 goto test_loopback_exit;
8745
8746         rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8747         if (rx_idx != rx_start_idx + num_pkts)
8748                 goto test_loopback_exit;
8749
8750         cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8751         cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8752         if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8753                 goto test_loopback_rx_exit;
8754
8755         len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8756         if (len != pkt_size)
8757                 goto test_loopback_rx_exit;
8758
8759         rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8760         skb = rx_buf->skb;
8761         skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8762         for (i = ETH_HLEN; i < pkt_size; i++)
8763                 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8764                         goto test_loopback_rx_exit;
8765
8766         rc = 0;
8767
8768 test_loopback_rx_exit:
8769         bp->dev->last_rx = jiffies;
8770
8771         fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8772         fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8773         fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8774         fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8775
8776         /* Update producers */
8777         bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8778                              fp->rx_sge_prod);
8779         mmiowb(); /* keep prod updates ordered */
8780
8781 test_loopback_exit:
8782         bp->link_params.loopback_mode = LOOPBACK_NONE;
8783
8784         return rc;
8785 }
8786
8787 static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8788 {
8789         int rc = 0;
8790
8791         if (!netif_running(bp->dev))
8792                 return BNX2X_LOOPBACK_FAILED;
8793
8794         bnx2x_netif_stop(bp);
8795
8796         if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8797                 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8798                 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8799         }
8800
8801         if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8802                 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8803                 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8804         }
8805
8806         bnx2x_netif_start(bp);
8807
8808         return rc;
8809 }
8810
8811 #define CRC32_RESIDUAL                  0xdebb20e3
8812
8813 static int bnx2x_test_nvram(struct bnx2x *bp)
8814 {
8815         static const struct {
8816                 int offset;
8817                 int size;
8818         } nvram_tbl[] = {
8819                 {     0,  0x14 }, /* bootstrap */
8820                 {  0x14,  0xec }, /* dir */
8821                 { 0x100, 0x350 }, /* manuf_info */
8822                 { 0x450,  0xf0 }, /* feature_info */
8823                 { 0x640,  0x64 }, /* upgrade_key_info */
8824                 { 0x6a4,  0x64 },
8825                 { 0x708,  0x70 }, /* manuf_key_info */
8826                 { 0x778,  0x70 },
8827                 {     0,     0 }
8828         };
8829         u32 buf[0x350 / 4];
8830         u8 *data = (u8 *)buf;
8831         int i, rc;
8832         u32 magic, csum;
8833
8834         rc = bnx2x_nvram_read(bp, 0, data, 4);
8835         if (rc) {
8836                 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8837                 goto test_nvram_exit;
8838         }
8839
8840         magic = be32_to_cpu(buf[0]);
8841         if (magic != 0x669955aa) {
8842                 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8843                 rc = -ENODEV;
8844                 goto test_nvram_exit;
8845         }
8846
8847         for (i = 0; nvram_tbl[i].size; i++) {
8848
8849                 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8850                                       nvram_tbl[i].size);
8851                 if (rc) {
8852                         DP(NETIF_MSG_PROBE,
8853                            "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8854                         goto test_nvram_exit;
8855                 }
8856
8857                 csum = ether_crc_le(nvram_tbl[i].size, data);
8858                 if (csum != CRC32_RESIDUAL) {
8859                         DP(NETIF_MSG_PROBE,
8860                            "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8861                         rc = -ENODEV;
8862                         goto test_nvram_exit;
8863                 }
8864         }
8865
8866 test_nvram_exit:
8867         return rc;
8868 }
8869
8870 static int bnx2x_test_intr(struct bnx2x *bp)
8871 {
8872         struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8873         int i, rc;
8874
8875         if (!netif_running(bp->dev))
8876                 return -ENODEV;
8877
8878         config->hdr.length_6b = 0;
8879         config->hdr.offset = 0;
8880         config->hdr.client_id = BP_CL_ID(bp);
8881         config->hdr.reserved1 = 0;
8882
8883         rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8884                            U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8885                            U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8886         if (rc == 0) {
8887                 bp->set_mac_pending++;
8888                 for (i = 0; i < 10; i++) {
8889                         if (!bp->set_mac_pending)
8890                                 break;
8891                         msleep_interruptible(10);
8892                 }
8893                 if (i == 10)
8894                         rc = -ENODEV;
8895         }
8896
8897         return rc;
8898 }
8899
8900 static void bnx2x_self_test(struct net_device *dev,
8901                             struct ethtool_test *etest, u64 *buf)
8902 {
8903         struct bnx2x *bp = netdev_priv(dev);
8904
8905         memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8906
8907         if (!netif_running(dev))
8908                 return;
8909
8910         /* offline tests are not supported in MF mode */
8911         if (IS_E1HMF(bp))
8912                 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8913
8914         if (etest->flags & ETH_TEST_FL_OFFLINE) {
8915                 u8 link_up;
8916
8917                 link_up = bp->link_vars.link_up;
8918                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8919                 bnx2x_nic_load(bp, LOAD_DIAG);
8920                 /* wait until link state is restored */
8921                 bnx2x_wait_for_link(bp, link_up);
8922
8923                 if (bnx2x_test_registers(bp) != 0) {
8924                         buf[0] = 1;
8925                         etest->flags |= ETH_TEST_FL_FAILED;
8926                 }
8927                 if (bnx2x_test_memory(bp) != 0) {
8928                         buf[1] = 1;
8929                         etest->flags |= ETH_TEST_FL_FAILED;
8930                 }
8931                 buf[2] = bnx2x_test_loopback(bp, link_up);
8932                 if (buf[2] != 0)
8933                         etest->flags |= ETH_TEST_FL_FAILED;
8934
8935                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8936                 bnx2x_nic_load(bp, LOAD_NORMAL);
8937                 /* wait until link state is restored */
8938                 bnx2x_wait_for_link(bp, link_up);
8939         }
8940         if (bnx2x_test_nvram(bp) != 0) {
8941                 buf[3] = 1;
8942                 etest->flags |= ETH_TEST_FL_FAILED;
8943         }
8944         if (bnx2x_test_intr(bp) != 0) {
8945                 buf[4] = 1;
8946                 etest->flags |= ETH_TEST_FL_FAILED;
8947         }
8948         if (bp->port.pmf)
8949                 if (bnx2x_link_test(bp) != 0) {
8950                         buf[5] = 1;
8951                         etest->flags |= ETH_TEST_FL_FAILED;
8952                 }
8953         buf[7] = bnx2x_mc_assert(bp);
8954         if (buf[7] != 0)
8955                 etest->flags |= ETH_TEST_FL_FAILED;
8956
8957 #ifdef BNX2X_EXTRA_DEBUG
8958         bnx2x_panic_dump(bp);
8959 #endif
8960 }
8961
8962 static const struct {
8963         long offset;
8964         int size;
8965         u32 flags;
8966 #define STATS_FLAGS_PORT                1
8967 #define STATS_FLAGS_FUNC                2
8968         u8 string[ETH_GSTRING_LEN];
8969 } bnx2x_stats_arr[BNX2X_NUM_STATS] = {
8970 /* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8971                                 8, STATS_FLAGS_FUNC, "rx_bytes" },
8972         { STATS_OFFSET32(error_bytes_received_hi),
8973                                 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8974         { STATS_OFFSET32(total_bytes_transmitted_hi),
8975                                 8, STATS_FLAGS_FUNC, "tx_bytes" },
8976         { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8977                                 8, STATS_FLAGS_PORT, "tx_error_bytes" },
8978         { STATS_OFFSET32(total_unicast_packets_received_hi),
8979                                 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
8980         { STATS_OFFSET32(total_multicast_packets_received_hi),
8981                                 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
8982         { STATS_OFFSET32(total_broadcast_packets_received_hi),
8983                                 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
8984         { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
8985                                 8, STATS_FLAGS_FUNC, "tx_packets" },
8986         { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
8987                                 8, STATS_FLAGS_PORT, "tx_mac_errors" },
8988 /* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
8989                                 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
8990         { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
8991                                 8, STATS_FLAGS_PORT, "rx_crc_errors" },
8992         { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
8993                                 8, STATS_FLAGS_PORT, "rx_align_errors" },
8994         { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
8995                                 8, STATS_FLAGS_PORT, "tx_single_collisions" },
8996         { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
8997                                 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
8998         { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
8999                                 8, STATS_FLAGS_PORT, "tx_deferred" },
9000         { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
9001                                 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
9002         { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
9003                                 8, STATS_FLAGS_PORT, "tx_late_collisions" },
9004         { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
9005                                 8, STATS_FLAGS_PORT, "tx_total_collisions" },
9006         { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
9007                                 8, STATS_FLAGS_PORT, "rx_fragments" },
9008 /* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9009                                 8, STATS_FLAGS_PORT, "rx_jabbers" },
9010         { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
9011                                 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
9012         { STATS_OFFSET32(jabber_packets_received),
9013                                 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
9014         { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
9015                                 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
9016         { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
9017                         8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
9018         { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
9019                         8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
9020         { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
9021                         8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
9022         { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
9023                         8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
9024         { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
9025                         8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
9026         { STATS_OFFSET32(etherstatspktsover1522octets_hi),
9027                         8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
9028 /* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
9029                                 8, STATS_FLAGS_PORT, "rx_xon_frames" },
9030         { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
9031                                 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9032         { STATS_OFFSET32(tx_stat_outxonsent_hi),
9033                                 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9034         { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9035                                 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
9036         { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
9037                                 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9038         { STATS_OFFSET32(mac_filter_discard),
9039                                 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9040         { STATS_OFFSET32(no_buff_discard),
9041                                 4, STATS_FLAGS_FUNC, "rx_discards" },
9042         { STATS_OFFSET32(xxoverflow_discard),
9043                                 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9044         { STATS_OFFSET32(brb_drop_hi),
9045                                 8, STATS_FLAGS_PORT, "brb_discard" },
9046         { STATS_OFFSET32(brb_truncate_hi),
9047                                 8, STATS_FLAGS_PORT, "brb_truncate" },
9048 /* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9049                                 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9050         { STATS_OFFSET32(rx_skb_alloc_failed),
9051                                 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9052 /* 42 */{ STATS_OFFSET32(hw_csum_err),
9053                                 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
9054 };
9055
9056 #define IS_NOT_E1HMF_STAT(bp, i) \
9057                 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9058
9059 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9060 {
9061         struct bnx2x *bp = netdev_priv(dev);
9062         int i, j;
9063
9064         switch (stringset) {
9065         case ETH_SS_STATS:
9066                 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9067                         if (IS_NOT_E1HMF_STAT(bp, i))
9068                                 continue;
9069                         strcpy(buf + j*ETH_GSTRING_LEN,
9070                                bnx2x_stats_arr[i].string);
9071                         j++;
9072                 }
9073                 break;
9074
9075         case ETH_SS_TEST:
9076                 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9077                 break;
9078         }
9079 }
9080
9081 static int bnx2x_get_stats_count(struct net_device *dev)
9082 {
9083         struct bnx2x *bp = netdev_priv(dev);
9084         int i, num_stats = 0;
9085
9086         for (i = 0; i < BNX2X_NUM_STATS; i++) {
9087                 if (IS_NOT_E1HMF_STAT(bp, i))
9088                         continue;
9089                 num_stats++;
9090         }
9091         return num_stats;
9092 }
9093
9094 static void bnx2x_get_ethtool_stats(struct net_device *dev,
9095                                     struct ethtool_stats *stats, u64 *buf)
9096 {
9097         struct bnx2x *bp = netdev_priv(dev);
9098         u32 *hw_stats = (u32 *)&bp->eth_stats;
9099         int i, j;
9100
9101         for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9102                 if (IS_NOT_E1HMF_STAT(bp, i))
9103                         continue;
9104
9105                 if (bnx2x_stats_arr[i].size == 0) {
9106                         /* skip this counter */
9107                         buf[j] = 0;
9108                         j++;
9109                         continue;
9110                 }
9111                 if (bnx2x_stats_arr[i].size == 4) {
9112                         /* 4-byte counter */
9113                         buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9114                         j++;
9115                         continue;
9116                 }
9117                 /* 8-byte counter */
9118                 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9119                                   *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9120                 j++;
9121         }
9122 }
9123
9124 static int bnx2x_phys_id(struct net_device *dev, u32 data)
9125 {
9126         struct bnx2x *bp = netdev_priv(dev);
9127         int port = BP_PORT(bp);
9128         int i;
9129
9130         if (!netif_running(dev))
9131                 return 0;
9132
9133         if (!bp->port.pmf)
9134                 return 0;
9135
9136         if (data == 0)
9137                 data = 2;
9138
9139         for (i = 0; i < (data * 2); i++) {
9140                 if ((i % 2) == 0)
9141                         bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
9142                                       bp->link_params.hw_led_mode,
9143                                       bp->link_params.chip_id);
9144                 else
9145                         bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
9146                                       bp->link_params.hw_led_mode,
9147                                       bp->link_params.chip_id);
9148
9149                 msleep_interruptible(500);
9150                 if (signal_pending(current))
9151                         break;
9152         }
9153
9154         if (bp->link_vars.link_up)
9155                 bnx2x_set_led(bp, port, LED_MODE_OPER,
9156                               bp->link_vars.line_speed,
9157                               bp->link_params.hw_led_mode,
9158                               bp->link_params.chip_id);
9159
9160         return 0;
9161 }
9162
9163 static struct ethtool_ops bnx2x_ethtool_ops = {
9164         .get_settings           = bnx2x_get_settings,
9165         .set_settings           = bnx2x_set_settings,
9166         .get_drvinfo            = bnx2x_get_drvinfo,
9167         .get_wol                = bnx2x_get_wol,
9168         .set_wol                = bnx2x_set_wol,
9169         .get_msglevel           = bnx2x_get_msglevel,
9170         .set_msglevel           = bnx2x_set_msglevel,
9171         .nway_reset             = bnx2x_nway_reset,
9172         .get_link               = ethtool_op_get_link,
9173         .get_eeprom_len         = bnx2x_get_eeprom_len,
9174         .get_eeprom             = bnx2x_get_eeprom,
9175         .set_eeprom             = bnx2x_set_eeprom,
9176         .get_coalesce           = bnx2x_get_coalesce,
9177         .set_coalesce           = bnx2x_set_coalesce,
9178         .get_ringparam          = bnx2x_get_ringparam,
9179         .set_ringparam          = bnx2x_set_ringparam,
9180         .get_pauseparam         = bnx2x_get_pauseparam,
9181         .set_pauseparam         = bnx2x_set_pauseparam,
9182         .get_rx_csum            = bnx2x_get_rx_csum,
9183         .set_rx_csum            = bnx2x_set_rx_csum,
9184         .get_tx_csum            = ethtool_op_get_tx_csum,
9185         .set_tx_csum            = ethtool_op_set_tx_hw_csum,
9186         .set_flags              = bnx2x_set_flags,
9187         .get_flags              = ethtool_op_get_flags,
9188         .get_sg                 = ethtool_op_get_sg,
9189         .set_sg                 = ethtool_op_set_sg,
9190         .get_tso                = ethtool_op_get_tso,
9191         .set_tso                = bnx2x_set_tso,
9192         .self_test_count        = bnx2x_self_test_count,
9193         .self_test              = bnx2x_self_test,
9194         .get_strings            = bnx2x_get_strings,
9195         .phys_id                = bnx2x_phys_id,
9196         .get_stats_count        = bnx2x_get_stats_count,
9197         .get_ethtool_stats      = bnx2x_get_ethtool_stats,
9198 };
9199
9200 /* end of ethtool_ops */
9201
9202 /****************************************************************************
9203 * General service functions
9204 ****************************************************************************/
9205
9206 static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9207 {
9208         u16 pmcsr;
9209
9210         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9211
9212         switch (state) {
9213         case PCI_D0:
9214                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9215                                       ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9216                                        PCI_PM_CTRL_PME_STATUS));
9217
9218                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
9219                         /* delay required during transition out of D3hot */
9220                         msleep(20);
9221                 break;
9222
9223         case PCI_D3hot:
9224                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9225                 pmcsr |= 3;
9226
9227                 if (bp->wol)
9228                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9229
9230                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9231                                       pmcsr);
9232
9233                 /* No more memory access after this point until
9234                 * device is brought back to D0.
9235                 */
9236                 break;
9237
9238         default:
9239                 return -EINVAL;
9240         }
9241         return 0;
9242 }
9243
9244 /*
9245  * net_device service functions
9246  */
9247
9248 static int bnx2x_poll(struct napi_struct *napi, int budget)
9249 {
9250         struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9251                                                  napi);
9252         struct bnx2x *bp = fp->bp;
9253         int work_done = 0;
9254         u16 rx_cons_sb;
9255
9256 #ifdef BNX2X_STOP_ON_ERROR
9257         if (unlikely(bp->panic))
9258                 goto poll_panic;
9259 #endif
9260
9261         prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9262         prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9263         prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9264
9265         bnx2x_update_fpsb_idx(fp);
9266
9267         if (BNX2X_HAS_TX_WORK(fp))
9268                 bnx2x_tx_int(fp, budget);
9269
9270         rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9271         if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9272                 rx_cons_sb++;
9273         if (BNX2X_HAS_RX_WORK(fp))
9274                 work_done = bnx2x_rx_int(fp, budget);
9275
9276         rmb(); /* BNX2X_HAS_WORK() reads the status block */
9277         rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9278         if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9279                 rx_cons_sb++;
9280
9281         /* must not complete if we consumed full budget */
9282         if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
9283
9284 #ifdef BNX2X_STOP_ON_ERROR
9285 poll_panic:
9286 #endif
9287                 netif_rx_complete(bp->dev, napi);
9288
9289                 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
9290                              le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
9291                 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
9292                              le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9293         }
9294         return work_done;
9295 }
9296
9297
9298 /* we split the first BD into headers and data BDs
9299  * to ease the pain of our fellow microcode engineers
9300  * we use one mapping for both BDs
9301  * So far this has only been observed to happen
9302  * in Other Operating Systems(TM)
9303  */
9304 static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9305                                    struct bnx2x_fastpath *fp,
9306                                    struct eth_tx_bd **tx_bd, u16 hlen,
9307                                    u16 bd_prod, int nbd)
9308 {
9309         struct eth_tx_bd *h_tx_bd = *tx_bd;
9310         struct eth_tx_bd *d_tx_bd;
9311         dma_addr_t mapping;
9312         int old_len = le16_to_cpu(h_tx_bd->nbytes);
9313
9314         /* first fix first BD */
9315         h_tx_bd->nbd = cpu_to_le16(nbd);
9316         h_tx_bd->nbytes = cpu_to_le16(hlen);
9317
9318         DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9319            "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9320            h_tx_bd->addr_lo, h_tx_bd->nbd);
9321
9322         /* now get a new data BD
9323          * (after the pbd) and fill it */
9324         bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9325         d_tx_bd = &fp->tx_desc_ring[bd_prod];
9326
9327         mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9328                            le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9329
9330         d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9331         d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9332         d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9333         d_tx_bd->vlan = 0;
9334         /* this marks the BD as one that has no individual mapping
9335          * the FW ignores this flag in a BD not marked start
9336          */
9337         d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9338         DP(NETIF_MSG_TX_QUEUED,
9339            "TSO split data size is %d (%x:%x)\n",
9340            d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9341
9342         /* update tx_bd for marking the last BD flag */
9343         *tx_bd = d_tx_bd;
9344
9345         return bd_prod;
9346 }
9347
9348 static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9349 {
9350         if (fix > 0)
9351                 csum = (u16) ~csum_fold(csum_sub(csum,
9352                                 csum_partial(t_header - fix, fix, 0)));
9353
9354         else if (fix < 0)
9355                 csum = (u16) ~csum_fold(csum_add(csum,
9356                                 csum_partial(t_header, -fix, 0)));
9357
9358         return swab16(csum);
9359 }
9360
9361 static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9362 {
9363         u32 rc;
9364
9365         if (skb->ip_summed != CHECKSUM_PARTIAL)
9366                 rc = XMIT_PLAIN;
9367
9368         else {
9369                 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9370                         rc = XMIT_CSUM_V6;
9371                         if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9372                                 rc |= XMIT_CSUM_TCP;
9373
9374                 } else {
9375                         rc = XMIT_CSUM_V4;
9376                         if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9377                                 rc |= XMIT_CSUM_TCP;
9378                 }
9379         }
9380
9381         if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9382                 rc |= XMIT_GSO_V4;
9383
9384         else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9385                 rc |= XMIT_GSO_V6;
9386
9387         return rc;
9388 }
9389
9390 /* check if packet requires linearization (packet is too fragmented) */
9391 static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9392                              u32 xmit_type)
9393 {
9394         int to_copy = 0;
9395         int hlen = 0;
9396         int first_bd_sz = 0;
9397
9398         /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9399         if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9400
9401                 if (xmit_type & XMIT_GSO) {
9402                         unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9403                         /* Check if LSO packet needs to be copied:
9404                            3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9405                         int wnd_size = MAX_FETCH_BD - 3;
9406                         /* Number of windows to check */
9407                         int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9408                         int wnd_idx = 0;
9409                         int frag_idx = 0;
9410                         u32 wnd_sum = 0;
9411
9412                         /* Headers length */
9413                         hlen = (int)(skb_transport_header(skb) - skb->data) +
9414                                 tcp_hdrlen(skb);
9415
9416                         /* Amount of data (w/o headers) on linear part of SKB*/
9417                         first_bd_sz = skb_headlen(skb) - hlen;
9418
9419                         wnd_sum  = first_bd_sz;
9420
9421                         /* Calculate the first sum - it's special */
9422                         for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9423                                 wnd_sum +=
9424                                         skb_shinfo(skb)->frags[frag_idx].size;
9425
9426                         /* If there was data on linear skb data - check it */
9427                         if (first_bd_sz > 0) {
9428                                 if (unlikely(wnd_sum < lso_mss)) {
9429                                         to_copy = 1;
9430                                         goto exit_lbl;
9431                                 }
9432
9433                                 wnd_sum -= first_bd_sz;
9434                         }
9435
9436                         /* Others are easier: run through the frag list and
9437                            check all windows */
9438                         for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9439                                 wnd_sum +=
9440                           skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9441
9442                                 if (unlikely(wnd_sum < lso_mss)) {
9443                                         to_copy = 1;
9444                                         break;
9445                                 }
9446                                 wnd_sum -=
9447                                         skb_shinfo(skb)->frags[wnd_idx].size;
9448                         }
9449
9450                 } else {
9451                         /* in non-LSO too fragmented packet should always
9452                            be linearized */
9453                         to_copy = 1;
9454                 }
9455         }
9456
9457 exit_lbl:
9458         if (unlikely(to_copy))
9459                 DP(NETIF_MSG_TX_QUEUED,
9460                    "Linearization IS REQUIRED for %s packet. "
9461                    "num_frags %d  hlen %d  first_bd_sz %d\n",
9462                    (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9463                    skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9464
9465         return to_copy;
9466 }
9467
9468 /* called with netif_tx_lock
9469  * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
9470  * netif_wake_queue()
9471  */
9472 static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9473 {
9474         struct bnx2x *bp = netdev_priv(dev);
9475         struct bnx2x_fastpath *fp;
9476         struct sw_tx_bd *tx_buf;
9477         struct eth_tx_bd *tx_bd;
9478         struct eth_tx_parse_bd *pbd = NULL;
9479         u16 pkt_prod, bd_prod;
9480         int nbd, fp_index;
9481         dma_addr_t mapping;
9482         u32 xmit_type = bnx2x_xmit_type(bp, skb);
9483         int vlan_off = (bp->e1hov ? 4 : 0);
9484         int i;
9485         u8 hlen = 0;
9486
9487 #ifdef BNX2X_STOP_ON_ERROR
9488         if (unlikely(bp->panic))
9489                 return NETDEV_TX_BUSY;
9490 #endif
9491
9492         fp_index = (smp_processor_id() % bp->num_queues);
9493         fp = &bp->fp[fp_index];
9494
9495         if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
9496                 bp->eth_stats.driver_xoff++,
9497                 netif_stop_queue(dev);
9498                 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9499                 return NETDEV_TX_BUSY;
9500         }
9501
9502         DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x  protocol %x  protocol(%x,%x)"
9503            "  gso type %x  xmit_type %x\n",
9504            skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9505            ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9506
9507         /* First, check if we need to linearize the skb
9508            (due to FW restrictions) */
9509         if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9510                 /* Statistics of linearization */
9511                 bp->lin_cnt++;
9512                 if (skb_linearize(skb) != 0) {
9513                         DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9514                            "silently dropping this SKB\n");
9515                         dev_kfree_skb_any(skb);
9516                         return NETDEV_TX_OK;
9517                 }
9518         }
9519
9520         /*
9521         Please read carefully. First we use one BD which we mark as start,
9522         then for TSO or xsum we have a parsing info BD,
9523         and only then we have the rest of the TSO BDs.
9524         (don't forget to mark the last one as last,
9525         and to unmap only AFTER you write to the BD ...)
9526         And above all, all pdb sizes are in words - NOT DWORDS!
9527         */
9528
9529         pkt_prod = fp->tx_pkt_prod++;
9530         bd_prod = TX_BD(fp->tx_bd_prod);
9531
9532         /* get a tx_buf and first BD */
9533         tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9534         tx_bd = &fp->tx_desc_ring[bd_prod];
9535
9536         tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9537         tx_bd->general_data = (UNICAST_ADDRESS <<
9538                                ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9539         /* header nbd */
9540         tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
9541
9542         /* remember the first BD of the packet */
9543         tx_buf->first_bd = fp->tx_bd_prod;
9544         tx_buf->skb = skb;
9545
9546         DP(NETIF_MSG_TX_QUEUED,
9547            "sending pkt %u @%p  next_idx %u  bd %u @%p\n",
9548            pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9549
9550         if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9551                 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9552                 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
9553                 vlan_off += 4;
9554         } else
9555                 tx_bd->vlan = cpu_to_le16(pkt_prod);
9556
9557         if (xmit_type) {
9558                 /* turn on parsing and get a BD */
9559                 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9560                 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9561
9562                 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9563         }
9564
9565         if (xmit_type & XMIT_CSUM) {
9566                 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9567
9568                 /* for now NS flag is not used in Linux */
9569                 pbd->global_data = (hlen |
9570                                     ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9571                                      ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9572
9573                 pbd->ip_hlen = (skb_transport_header(skb) -
9574                                 skb_network_header(skb)) / 2;
9575
9576                 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9577
9578                 pbd->total_hlen = cpu_to_le16(hlen);
9579                 hlen = hlen*2 - vlan_off;
9580
9581                 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9582
9583                 if (xmit_type & XMIT_CSUM_V4)
9584                         tx_bd->bd_flags.as_bitfield |=
9585                                                 ETH_TX_BD_FLAGS_IP_CSUM;
9586                 else
9587                         tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9588
9589                 if (xmit_type & XMIT_CSUM_TCP) {
9590                         pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9591
9592                 } else {
9593                         s8 fix = SKB_CS_OFF(skb); /* signed! */
9594
9595                         pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9596                         pbd->cs_offset = fix / 2;
9597
9598                         DP(NETIF_MSG_TX_QUEUED,
9599                            "hlen %d  offset %d  fix %d  csum before fix %x\n",
9600                            le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9601                            SKB_CS(skb));
9602
9603                         /* HW bug: fixup the CSUM */
9604                         pbd->tcp_pseudo_csum =
9605                                 bnx2x_csum_fix(skb_transport_header(skb),
9606                                                SKB_CS(skb), fix);
9607
9608                         DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9609                            pbd->tcp_pseudo_csum);
9610                 }
9611         }
9612
9613         mapping = pci_map_single(bp->pdev, skb->data,
9614                                  skb_headlen(skb), PCI_DMA_TODEVICE);
9615
9616         tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9617         tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9618         nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
9619         tx_bd->nbd = cpu_to_le16(nbd);
9620         tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9621
9622         DP(NETIF_MSG_TX_QUEUED, "first bd @%p  addr (%x:%x)  nbd %d"
9623            "  nbytes %d  flags %x  vlan %x\n",
9624            tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9625            le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9626            le16_to_cpu(tx_bd->vlan));
9627
9628         if (xmit_type & XMIT_GSO) {
9629
9630                 DP(NETIF_MSG_TX_QUEUED,
9631                    "TSO packet len %d  hlen %d  total len %d  tso size %d\n",
9632                    skb->len, hlen, skb_headlen(skb),
9633                    skb_shinfo(skb)->gso_size);
9634
9635                 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9636
9637                 if (unlikely(skb_headlen(skb) > hlen))
9638                         bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9639                                                  bd_prod, ++nbd);
9640
9641                 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9642                 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
9643                 pbd->tcp_flags = pbd_tcp_flags(skb);
9644
9645                 if (xmit_type & XMIT_GSO_V4) {
9646                         pbd->ip_id = swab16(ip_hdr(skb)->id);
9647                         pbd->tcp_pseudo_csum =
9648                                 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9649                                                           ip_hdr(skb)->daddr,
9650                                                           0, IPPROTO_TCP, 0));
9651
9652                 } else
9653                         pbd->tcp_pseudo_csum =
9654                                 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9655                                                         &ipv6_hdr(skb)->daddr,
9656                                                         0, IPPROTO_TCP, 0));
9657
9658                 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9659         }
9660
9661         for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9662                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
9663
9664                 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9665                 tx_bd = &fp->tx_desc_ring[bd_prod];
9666
9667                 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9668                                        frag->size, PCI_DMA_TODEVICE);
9669
9670                 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9671                 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9672                 tx_bd->nbytes = cpu_to_le16(frag->size);
9673                 tx_bd->vlan = cpu_to_le16(pkt_prod);
9674                 tx_bd->bd_flags.as_bitfield = 0;
9675
9676                 DP(NETIF_MSG_TX_QUEUED,
9677                    "frag %d  bd @%p  addr (%x:%x)  nbytes %d  flags %x\n",
9678                    i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9679                    le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
9680         }
9681
9682         /* now at last mark the BD as the last BD */
9683         tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9684
9685         DP(NETIF_MSG_TX_QUEUED, "last bd @%p  flags %x\n",
9686            tx_bd, tx_bd->bd_flags.as_bitfield);
9687
9688         bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9689
9690         /* now send a tx doorbell, counting the next BD
9691          * if the packet contains or ends with it
9692          */
9693         if (TX_BD_POFF(bd_prod) < nbd)
9694                 nbd++;
9695
9696         if (pbd)
9697                 DP(NETIF_MSG_TX_QUEUED,
9698                    "PBD @%p  ip_data %x  ip_hlen %u  ip_id %u  lso_mss %u"
9699                    "  tcp_flags %x  xsum %x  seq %u  hlen %u\n",
9700                    pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9701                    pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
9702                    pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
9703
9704         DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d  bd %u\n", nbd, bd_prod);
9705
9706         fp->hw_tx_prods->bds_prod =
9707                 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
9708         mb(); /* FW restriction: must not reorder writing nbd and packets */
9709         fp->hw_tx_prods->packets_prod =
9710                 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
9711         DOORBELL(bp, FP_IDX(fp), 0);
9712
9713         mmiowb();
9714
9715         fp->tx_bd_prod += nbd;
9716         dev->trans_start = jiffies;
9717
9718         if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9719                 netif_stop_queue(dev);
9720                 bp->eth_stats.driver_xoff++;
9721                 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9722                         netif_wake_queue(dev);
9723         }
9724         fp->tx_pkt++;
9725
9726         return NETDEV_TX_OK;
9727 }
9728
9729 /* called with rtnl_lock */
9730 static int bnx2x_open(struct net_device *dev)
9731 {
9732         struct bnx2x *bp = netdev_priv(dev);
9733
9734         bnx2x_set_power_state(bp, PCI_D0);
9735
9736         return bnx2x_nic_load(bp, LOAD_OPEN);
9737 }
9738
9739 /* called with rtnl_lock */
9740 static int bnx2x_close(struct net_device *dev)
9741 {
9742         struct bnx2x *bp = netdev_priv(dev);
9743
9744         /* Unload the driver, release IRQs */
9745         bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9746         if (atomic_read(&bp->pdev->enable_cnt) == 1)
9747                 if (!CHIP_REV_IS_SLOW(bp))
9748                         bnx2x_set_power_state(bp, PCI_D3hot);
9749
9750         return 0;
9751 }
9752
9753 /* called with netif_tx_lock from set_multicast */
9754 static void bnx2x_set_rx_mode(struct net_device *dev)
9755 {
9756         struct bnx2x *bp = netdev_priv(dev);
9757         u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9758         int port = BP_PORT(bp);
9759
9760         if (bp->state != BNX2X_STATE_OPEN) {
9761                 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9762                 return;
9763         }
9764
9765         DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9766
9767         if (dev->flags & IFF_PROMISC)
9768                 rx_mode = BNX2X_RX_MODE_PROMISC;
9769
9770         else if ((dev->flags & IFF_ALLMULTI) ||
9771                  ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9772                 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9773
9774         else { /* some multicasts */
9775                 if (CHIP_IS_E1(bp)) {
9776                         int i, old, offset;
9777                         struct dev_mc_list *mclist;
9778                         struct mac_configuration_cmd *config =
9779                                                 bnx2x_sp(bp, mcast_config);
9780
9781                         for (i = 0, mclist = dev->mc_list;
9782                              mclist && (i < dev->mc_count);
9783                              i++, mclist = mclist->next) {
9784
9785                                 config->config_table[i].
9786                                         cam_entry.msb_mac_addr =
9787                                         swab16(*(u16 *)&mclist->dmi_addr[0]);
9788                                 config->config_table[i].
9789                                         cam_entry.middle_mac_addr =
9790                                         swab16(*(u16 *)&mclist->dmi_addr[2]);
9791                                 config->config_table[i].
9792                                         cam_entry.lsb_mac_addr =
9793                                         swab16(*(u16 *)&mclist->dmi_addr[4]);
9794                                 config->config_table[i].cam_entry.flags =
9795                                                         cpu_to_le16(port);
9796                                 config->config_table[i].
9797                                         target_table_entry.flags = 0;
9798                                 config->config_table[i].
9799                                         target_table_entry.client_id = 0;
9800                                 config->config_table[i].
9801                                         target_table_entry.vlan_id = 0;
9802
9803                                 DP(NETIF_MSG_IFUP,
9804                                    "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9805                                    config->config_table[i].
9806                                                 cam_entry.msb_mac_addr,
9807                                    config->config_table[i].
9808                                                 cam_entry.middle_mac_addr,
9809                                    config->config_table[i].
9810                                                 cam_entry.lsb_mac_addr);
9811                         }
9812                         old = config->hdr.length_6b;
9813                         if (old > i) {
9814                                 for (; i < old; i++) {
9815                                         if (CAM_IS_INVALID(config->
9816                                                            config_table[i])) {
9817                                                 i--; /* already invalidated */
9818                                                 break;
9819                                         }
9820                                         /* invalidate */
9821                                         CAM_INVALIDATE(config->
9822                                                        config_table[i]);
9823                                 }
9824                         }
9825
9826                         if (CHIP_REV_IS_SLOW(bp))
9827                                 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9828                         else
9829                                 offset = BNX2X_MAX_MULTICAST*(1 + port);
9830
9831                         config->hdr.length_6b = i;
9832                         config->hdr.offset = offset;
9833                         config->hdr.client_id = BP_CL_ID(bp);
9834                         config->hdr.reserved1 = 0;
9835
9836                         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9837                                    U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9838                                    U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9839                                       0);
9840                 } else { /* E1H */
9841                         /* Accept one or more multicasts */
9842                         struct dev_mc_list *mclist;
9843                         u32 mc_filter[MC_HASH_SIZE];
9844                         u32 crc, bit, regidx;
9845                         int i;
9846
9847                         memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9848
9849                         for (i = 0, mclist = dev->mc_list;
9850                              mclist && (i < dev->mc_count);
9851                              i++, mclist = mclist->next) {
9852
9853                                 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9854                                    "%02x:%02x:%02x:%02x:%02x:%02x\n",
9855                                    mclist->dmi_addr[0], mclist->dmi_addr[1],
9856                                    mclist->dmi_addr[2], mclist->dmi_addr[3],
9857                                    mclist->dmi_addr[4], mclist->dmi_addr[5]);
9858
9859                                 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9860                                 bit = (crc >> 24) & 0xff;
9861                                 regidx = bit >> 5;
9862                                 bit &= 0x1f;
9863                                 mc_filter[regidx] |= (1 << bit);
9864                         }
9865
9866                         for (i = 0; i < MC_HASH_SIZE; i++)
9867                                 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9868                                        mc_filter[i]);
9869                 }
9870         }
9871
9872         bp->rx_mode = rx_mode;
9873         bnx2x_set_storm_rx_mode(bp);
9874 }
9875
9876 /* called with rtnl_lock */
9877 static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9878 {
9879         struct sockaddr *addr = p;
9880         struct bnx2x *bp = netdev_priv(dev);
9881
9882         if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
9883                 return -EINVAL;
9884
9885         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9886         if (netif_running(dev)) {
9887                 if (CHIP_IS_E1(bp))
9888                         bnx2x_set_mac_addr_e1(bp, 1);
9889                 else
9890                         bnx2x_set_mac_addr_e1h(bp, 1);
9891         }
9892
9893         return 0;
9894 }
9895
9896 /* called with rtnl_lock */
9897 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9898 {
9899         struct mii_ioctl_data *data = if_mii(ifr);
9900         struct bnx2x *bp = netdev_priv(dev);
9901         int port = BP_PORT(bp);
9902         int err;
9903
9904         switch (cmd) {
9905         case SIOCGMIIPHY:
9906                 data->phy_id = bp->port.phy_addr;
9907
9908                 /* fallthrough */
9909
9910         case SIOCGMIIREG: {
9911                 u16 mii_regval;
9912
9913                 if (!netif_running(dev))
9914                         return -EAGAIN;
9915
9916                 mutex_lock(&bp->port.phy_mutex);
9917                 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
9918                                       DEFAULT_PHY_DEV_ADDR,
9919                                       (data->reg_num & 0x1f), &mii_regval);
9920                 data->val_out = mii_regval;
9921                 mutex_unlock(&bp->port.phy_mutex);
9922                 return err;
9923         }
9924
9925         case SIOCSMIIREG:
9926                 if (!capable(CAP_NET_ADMIN))
9927                         return -EPERM;
9928
9929                 if (!netif_running(dev))
9930                         return -EAGAIN;
9931
9932                 mutex_lock(&bp->port.phy_mutex);
9933                 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
9934                                        DEFAULT_PHY_DEV_ADDR,
9935                                        (data->reg_num & 0x1f), data->val_in);
9936                 mutex_unlock(&bp->port.phy_mutex);
9937                 return err;
9938
9939         default:
9940                 /* do nothing */
9941                 break;
9942         }
9943
9944         return -EOPNOTSUPP;
9945 }
9946
9947 /* called with rtnl_lock */
9948 static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9949 {
9950         struct bnx2x *bp = netdev_priv(dev);
9951         int rc = 0;
9952
9953         if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9954             ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9955                 return -EINVAL;
9956
9957         /* This does not race with packet allocation
9958          * because the actual alloc size is
9959          * only updated as part of load
9960          */
9961         dev->mtu = new_mtu;
9962
9963         if (netif_running(dev)) {
9964                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9965                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
9966         }
9967
9968         return rc;
9969 }
9970
9971 static void bnx2x_tx_timeout(struct net_device *dev)
9972 {
9973         struct bnx2x *bp = netdev_priv(dev);
9974
9975 #ifdef BNX2X_STOP_ON_ERROR
9976         if (!bp->panic)
9977                 bnx2x_panic();
9978 #endif
9979         /* This allows the netif to be shutdown gracefully before resetting */
9980         schedule_work(&bp->reset_task);
9981 }
9982
9983 #ifdef BCM_VLAN
9984 /* called with rtnl_lock */
9985 static void bnx2x_vlan_rx_register(struct net_device *dev,
9986                                    struct vlan_group *vlgrp)
9987 {
9988         struct bnx2x *bp = netdev_priv(dev);
9989
9990         bp->vlgrp = vlgrp;
9991         if (netif_running(dev))
9992                 bnx2x_set_client_config(bp);
9993 }
9994
9995 #endif
9996
9997 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9998 static void poll_bnx2x(struct net_device *dev)
9999 {
10000         struct bnx2x *bp = netdev_priv(dev);
10001
10002         disable_irq(bp->pdev->irq);
10003         bnx2x_interrupt(bp->pdev->irq, dev);
10004         enable_irq(bp->pdev->irq);
10005 }
10006 #endif
10007
10008 static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10009                                     struct net_device *dev)
10010 {
10011         struct bnx2x *bp;
10012         int rc;
10013
10014         SET_NETDEV_DEV(dev, &pdev->dev);
10015         bp = netdev_priv(dev);
10016
10017         bp->dev = dev;
10018         bp->pdev = pdev;
10019         bp->flags = 0;
10020         bp->func = PCI_FUNC(pdev->devfn);
10021
10022         rc = pci_enable_device(pdev);
10023         if (rc) {
10024                 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10025                 goto err_out;
10026         }
10027
10028         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10029                 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10030                        " aborting\n");
10031                 rc = -ENODEV;
10032                 goto err_out_disable;
10033         }
10034
10035         if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10036                 printk(KERN_ERR PFX "Cannot find second PCI device"
10037                        " base address, aborting\n");
10038                 rc = -ENODEV;
10039                 goto err_out_disable;
10040         }
10041
10042         if (atomic_read(&pdev->enable_cnt) == 1) {
10043                 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10044                 if (rc) {
10045                         printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10046                                " aborting\n");
10047                         goto err_out_disable;
10048                 }
10049
10050                 pci_set_master(pdev);
10051                 pci_save_state(pdev);
10052         }
10053
10054         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10055         if (bp->pm_cap == 0) {
10056                 printk(KERN_ERR PFX "Cannot find power management"
10057                        " capability, aborting\n");
10058                 rc = -EIO;
10059                 goto err_out_release;
10060         }
10061
10062         bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10063         if (bp->pcie_cap == 0) {
10064                 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10065                        " aborting\n");
10066                 rc = -EIO;
10067                 goto err_out_release;
10068         }
10069
10070         if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10071                 bp->flags |= USING_DAC_FLAG;
10072                 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10073                         printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10074                                " failed, aborting\n");
10075                         rc = -EIO;
10076                         goto err_out_release;
10077                 }
10078
10079         } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10080                 printk(KERN_ERR PFX "System does not support DMA,"
10081                        " aborting\n");
10082                 rc = -EIO;
10083                 goto err_out_release;
10084         }
10085
10086         dev->mem_start = pci_resource_start(pdev, 0);
10087         dev->base_addr = dev->mem_start;
10088         dev->mem_end = pci_resource_end(pdev, 0);
10089
10090         dev->irq = pdev->irq;
10091
10092         bp->regview = ioremap_nocache(dev->base_addr,
10093                                       pci_resource_len(pdev, 0));
10094         if (!bp->regview) {
10095                 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10096                 rc = -ENOMEM;
10097                 goto err_out_release;
10098         }
10099
10100         bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10101                                         min_t(u64, BNX2X_DB_SIZE,
10102                                               pci_resource_len(pdev, 2)));
10103         if (!bp->doorbells) {
10104                 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10105                 rc = -ENOMEM;
10106                 goto err_out_unmap;
10107         }
10108
10109         bnx2x_set_power_state(bp, PCI_D0);
10110
10111         /* clean indirect addresses */
10112         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10113                                PCICFG_VENDOR_ID_OFFSET);
10114         REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10115         REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10116         REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10117         REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
10118
10119         dev->hard_start_xmit = bnx2x_start_xmit;
10120         dev->watchdog_timeo = TX_TIMEOUT;
10121
10122         dev->ethtool_ops = &bnx2x_ethtool_ops;
10123         dev->open = bnx2x_open;
10124         dev->stop = bnx2x_close;
10125         dev->set_multicast_list = bnx2x_set_rx_mode;
10126         dev->set_mac_address = bnx2x_change_mac_addr;
10127         dev->do_ioctl = bnx2x_ioctl;
10128         dev->change_mtu = bnx2x_change_mtu;
10129         dev->tx_timeout = bnx2x_tx_timeout;
10130 #ifdef BCM_VLAN
10131         dev->vlan_rx_register = bnx2x_vlan_rx_register;
10132 #endif
10133 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10134         dev->poll_controller = poll_bnx2x;
10135 #endif
10136         dev->features |= NETIF_F_SG;
10137         dev->features |= NETIF_F_HW_CSUM;
10138         if (bp->flags & USING_DAC_FLAG)
10139                 dev->features |= NETIF_F_HIGHDMA;
10140 #ifdef BCM_VLAN
10141         dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10142 #endif
10143         dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
10144         dev->features |= NETIF_F_TSO6;
10145
10146         return 0;
10147
10148 err_out_unmap:
10149         if (bp->regview) {
10150                 iounmap(bp->regview);
10151                 bp->regview = NULL;
10152         }
10153         if (bp->doorbells) {
10154                 iounmap(bp->doorbells);
10155                 bp->doorbells = NULL;
10156         }
10157
10158 err_out_release:
10159         if (atomic_read(&pdev->enable_cnt) == 1)
10160                 pci_release_regions(pdev);
10161
10162 err_out_disable:
10163         pci_disable_device(pdev);
10164         pci_set_drvdata(pdev, NULL);
10165
10166 err_out:
10167         return rc;
10168 }
10169
10170 static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10171 {
10172         u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10173
10174         val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10175         return val;
10176 }
10177
10178 /* return value of 1=2.5GHz 2=5GHz */
10179 static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10180 {
10181         u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10182
10183         val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10184         return val;
10185 }
10186
10187 static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10188                                     const struct pci_device_id *ent)
10189 {
10190         static int version_printed;
10191         struct net_device *dev = NULL;
10192         struct bnx2x *bp;
10193         int rc;
10194         DECLARE_MAC_BUF(mac);
10195
10196         if (version_printed++ == 0)
10197                 printk(KERN_INFO "%s", version);
10198
10199         /* dev zeroed in init_etherdev */
10200         dev = alloc_etherdev(sizeof(*bp));
10201         if (!dev) {
10202                 printk(KERN_ERR PFX "Cannot allocate net device\n");
10203                 return -ENOMEM;
10204         }
10205
10206         netif_carrier_off(dev);
10207
10208         bp = netdev_priv(dev);
10209         bp->msglevel = debug;
10210
10211         rc = bnx2x_init_dev(pdev, dev);
10212         if (rc < 0) {
10213                 free_netdev(dev);
10214                 return rc;
10215         }
10216
10217         rc = register_netdev(dev);
10218         if (rc) {
10219                 dev_err(&pdev->dev, "Cannot register net device\n");
10220                 goto init_one_exit;
10221         }
10222
10223         pci_set_drvdata(pdev, dev);
10224
10225         rc = bnx2x_init_bp(bp);
10226         if (rc) {
10227                 unregister_netdev(dev);
10228                 goto init_one_exit;
10229         }
10230
10231         bp->common.name = board_info[ent->driver_data].name;
10232         printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
10233                " IRQ %d, ", dev->name, bp->common.name,
10234                (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
10235                bnx2x_get_pcie_width(bp),
10236                (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10237                dev->base_addr, bp->pdev->irq);
10238         printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
10239         return 0;
10240
10241 init_one_exit:
10242         if (bp->regview)
10243                 iounmap(bp->regview);
10244
10245         if (bp->doorbells)
10246                 iounmap(bp->doorbells);
10247
10248         free_netdev(dev);
10249
10250         if (atomic_read(&pdev->enable_cnt) == 1)
10251                 pci_release_regions(pdev);
10252
10253         pci_disable_device(pdev);
10254         pci_set_drvdata(pdev, NULL);
10255
10256         return rc;
10257 }
10258
10259 static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10260 {
10261         struct net_device *dev = pci_get_drvdata(pdev);
10262         struct bnx2x *bp;
10263
10264         if (!dev) {
10265                 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10266                 return;
10267         }
10268         bp = netdev_priv(dev);
10269
10270         unregister_netdev(dev);
10271
10272         if (bp->regview)
10273                 iounmap(bp->regview);
10274
10275         if (bp->doorbells)
10276                 iounmap(bp->doorbells);
10277
10278         free_netdev(dev);
10279
10280         if (atomic_read(&pdev->enable_cnt) == 1)
10281                 pci_release_regions(pdev);
10282
10283         pci_disable_device(pdev);
10284         pci_set_drvdata(pdev, NULL);
10285 }
10286
10287 static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10288 {
10289         struct net_device *dev = pci_get_drvdata(pdev);
10290         struct bnx2x *bp;
10291
10292         if (!dev) {
10293                 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10294                 return -ENODEV;
10295         }
10296         bp = netdev_priv(dev);
10297
10298         rtnl_lock();
10299
10300         pci_save_state(pdev);
10301
10302         if (!netif_running(dev)) {
10303                 rtnl_unlock();
10304                 return 0;
10305         }
10306
10307         netif_device_detach(dev);
10308
10309         bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10310
10311         bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
10312
10313         rtnl_unlock();
10314
10315         return 0;
10316 }
10317
10318 static int bnx2x_resume(struct pci_dev *pdev)
10319 {
10320         struct net_device *dev = pci_get_drvdata(pdev);
10321         struct bnx2x *bp;
10322         int rc;
10323
10324         if (!dev) {
10325                 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10326                 return -ENODEV;
10327         }
10328         bp = netdev_priv(dev);
10329
10330         rtnl_lock();
10331
10332         pci_restore_state(pdev);
10333
10334         if (!netif_running(dev)) {
10335                 rtnl_unlock();
10336                 return 0;
10337         }
10338
10339         bnx2x_set_power_state(bp, PCI_D0);
10340         netif_device_attach(dev);
10341
10342         rc = bnx2x_nic_load(bp, LOAD_OPEN);
10343
10344         rtnl_unlock();
10345
10346         return rc;
10347 }
10348
10349 /**
10350  * bnx2x_io_error_detected - called when PCI error is detected
10351  * @pdev: Pointer to PCI device
10352  * @state: The current pci connection state
10353  *
10354  * This function is called after a PCI bus error affecting
10355  * this device has been detected.
10356  */
10357 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10358                                                 pci_channel_state_t state)
10359 {
10360         struct net_device *dev = pci_get_drvdata(pdev);
10361         struct bnx2x *bp = netdev_priv(dev);
10362
10363         rtnl_lock();
10364
10365         netif_device_detach(dev);
10366
10367         if (netif_running(dev))
10368                 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10369
10370         pci_disable_device(pdev);
10371
10372         rtnl_unlock();
10373
10374         /* Request a slot reset */
10375         return PCI_ERS_RESULT_NEED_RESET;
10376 }
10377
10378 /**
10379  * bnx2x_io_slot_reset - called after the PCI bus has been reset
10380  * @pdev: Pointer to PCI device
10381  *
10382  * Restart the card from scratch, as if from a cold-boot.
10383  */
10384 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10385 {
10386         struct net_device *dev = pci_get_drvdata(pdev);
10387         struct bnx2x *bp = netdev_priv(dev);
10388
10389         rtnl_lock();
10390
10391         if (pci_enable_device(pdev)) {
10392                 dev_err(&pdev->dev,
10393                         "Cannot re-enable PCI device after reset\n");
10394                 rtnl_unlock();
10395                 return PCI_ERS_RESULT_DISCONNECT;
10396         }
10397
10398         pci_set_master(pdev);
10399         pci_restore_state(pdev);
10400
10401         if (netif_running(dev))
10402                 bnx2x_set_power_state(bp, PCI_D0);
10403
10404         rtnl_unlock();
10405
10406         return PCI_ERS_RESULT_RECOVERED;
10407 }
10408
10409 /**
10410  * bnx2x_io_resume - called when traffic can start flowing again
10411  * @pdev: Pointer to PCI device
10412  *
10413  * This callback is called when the error recovery driver tells us that
10414  * its OK to resume normal operation.
10415  */
10416 static void bnx2x_io_resume(struct pci_dev *pdev)
10417 {
10418         struct net_device *dev = pci_get_drvdata(pdev);
10419         struct bnx2x *bp = netdev_priv(dev);
10420
10421         rtnl_lock();
10422
10423         if (netif_running(dev))
10424                 bnx2x_nic_load(bp, LOAD_OPEN);
10425
10426         netif_device_attach(dev);
10427
10428         rtnl_unlock();
10429 }
10430
10431 static struct pci_error_handlers bnx2x_err_handler = {
10432         .error_detected = bnx2x_io_error_detected,
10433         .slot_reset = bnx2x_io_slot_reset,
10434         .resume = bnx2x_io_resume,
10435 };
10436
10437 static struct pci_driver bnx2x_pci_driver = {
10438         .name        = DRV_MODULE_NAME,
10439         .id_table    = bnx2x_pci_tbl,
10440         .probe       = bnx2x_init_one,
10441         .remove      = __devexit_p(bnx2x_remove_one),
10442         .suspend     = bnx2x_suspend,
10443         .resume      = bnx2x_resume,
10444         .err_handler = &bnx2x_err_handler,
10445 };
10446
10447 static int __init bnx2x_init(void)
10448 {
10449         return pci_register_driver(&bnx2x_pci_driver);
10450 }
10451
10452 static void __exit bnx2x_cleanup(void)
10453 {
10454         pci_unregister_driver(&bnx2x_pci_driver);
10455 }
10456
10457 module_init(bnx2x_init);
10458 module_exit(bnx2x_cleanup);
10459