SAFE public projects git trees. - safe/jmp/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      "1.45.23"
  63 #define DRV_MODULE_RELDATE      "2008/11/03"
  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, int disable_hw)
 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         if (disable_hw)
 660                 /* prevent the HW from sending interrupts */
 661                 bnx2x_int_disable(bp);
 662
 663         /* make sure all ISRs are done */
 664         if (msix) {
 665                 for_each_queue(bp, i)
 666                         synchronize_irq(bp->msix_table[i].vector);
 667
 668                 /* one more for the Slow Path IRQ */
 669                 synchronize_irq(bp->msix_table[i].vector);
 670         } else
 671                 synchronize_irq(bp->pdev->irq);
 672
 673         /* make sure sp_task is not running */
 674         cancel_work_sync(&bp->sp_task);
 675 }
 676
 677 /* fast path */
 678
 679 /*
 680  * General service functions
 681  */
 682
 683 static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
 684                                 u8 storm, u16 index, u8 op, u8 update)
 685 {
 686         u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
 687                        COMMAND_REG_INT_ACK);
 688         struct igu_ack_register igu_ack;
 689
 690         igu_ack.status_block_index = index;
 691         igu_ack.sb_id_and_flags =
 692                         ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
 693                          (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
 694                          (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
 695                          (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
 696
 697         DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
 698            (*(u32 *)&igu_ack), hc_addr);
 699         REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
 700 }
 701
 702 static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
 703 {
 704         struct host_status_block *fpsb = fp->status_blk;
 705         u16 rc = 0;
 706
 707         barrier(); /* status block is written to by the chip */
 708         if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
 709                 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
 710                 rc |= 1;
 711         }
 712         if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
 713                 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
 714                 rc |= 2;
 715         }
 716         return rc;
 717 }
 718
 719 static u16 bnx2x_ack_int(struct bnx2x *bp)
 720 {
 721         u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
 722                        COMMAND_REG_SIMD_MASK);
 723         u32 result = REG_RD(bp, hc_addr);
 724
 725         DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
 726            result, hc_addr);
 727
 728         return result;
 729 }
 730
 731
 732 /*
 733  * fast path service functions
 734  */
 735
 736 /* free skb in the packet ring at pos idx
 737  * return idx of last bd freed
 738  */
 739 static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 740                              u16 idx)
 741 {
 742         struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
 743         struct eth_tx_bd *tx_bd;
 744         struct sk_buff *skb = tx_buf->skb;
 745         u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
 746         int nbd;
 747
 748         DP(BNX2X_MSG_OFF, "pkt_idx %d  buff @(%p)->skb %p\n",
 749            idx, tx_buf, skb);
 750
 751         /* unmap first bd */
 752         DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
 753         tx_bd = &fp->tx_desc_ring[bd_idx];
 754         pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
 755                          BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
 756
 757         nbd = le16_to_cpu(tx_bd->nbd) - 1;
 758         new_cons = nbd + tx_buf->first_bd;
 759 #ifdef BNX2X_STOP_ON_ERROR
 760         if (nbd > (MAX_SKB_FRAGS + 2)) {
 761                 BNX2X_ERR("BAD nbd!\n");
 762                 bnx2x_panic();
 763         }
 764 #endif
 765
 766         /* Skip a parse bd and the TSO split header bd
 767            since they have no mapping */
 768         if (nbd)
 769                 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
 770
 771         if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
 772                                            ETH_TX_BD_FLAGS_TCP_CSUM |
 773                                            ETH_TX_BD_FLAGS_SW_LSO)) {
 774                 if (--nbd)
 775                         bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
 776                 tx_bd = &fp->tx_desc_ring[bd_idx];
 777                 /* is this a TSO split header bd? */
 778                 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
 779                         if (--nbd)
 780                                 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
 781                 }
 782         }
 783
 784         /* now free frags */
 785         while (nbd > 0) {
 786
 787                 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
 788                 tx_bd = &fp->tx_desc_ring[bd_idx];
 789                 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
 790                                BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
 791                 if (--nbd)
 792                         bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
 793         }
 794
 795         /* release skb */
 796         WARN_ON(!skb);
 797         dev_kfree_skb(skb);
 798         tx_buf->first_bd = 0;
 799         tx_buf->skb = NULL;
 800
 801         return new_cons;
 802 }
 803
 804 static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
 805 {
 806         s16 used;
 807         u16 prod;
 808         u16 cons;
 809
 810         barrier(); /* Tell compiler that prod and cons can change */
 811         prod = fp->tx_bd_prod;
 812         cons = fp->tx_bd_cons;
 813
 814         /* NUM_TX_RINGS = number of "next-page" entries
 815            It will be used as a threshold */
 816         used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
 817
 818 #ifdef BNX2X_STOP_ON_ERROR
 819         WARN_ON(used < 0);
 820         WARN_ON(used > fp->bp->tx_ring_size);
 821         WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
 822 #endif
 823
 824         return (s16)(fp->bp->tx_ring_size) - used;
 825 }
 826
 827 static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
 828 {
 829         struct bnx2x *bp = fp->bp;
 830         u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
 831         int done = 0;
 832
 833 #ifdef BNX2X_STOP_ON_ERROR
 834         if (unlikely(bp->panic))
 835                 return;
 836 #endif
 837
 838         hw_cons = le16_to_cpu(*fp->tx_cons_sb);
 839         sw_cons = fp->tx_pkt_cons;
 840
 841         while (sw_cons != hw_cons) {
 842                 u16 pkt_cons;
 843
 844                 pkt_cons = TX_BD(sw_cons);
 845
 846                 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
 847
 848                 DP(NETIF_MSG_TX_DONE, "hw_cons %u  sw_cons %u  pkt_cons %u\n",
 849                    hw_cons, sw_cons, pkt_cons);
 850
 851 /*              if (NEXT_TX_IDX(sw_cons) != hw_cons) {
 852                         rmb();
 853                         prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
 854                 }
 855 */
 856                 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
 857                 sw_cons++;
 858                 done++;
 859
 860                 if (done == work)
 861                         break;
 862         }
 863
 864         fp->tx_pkt_cons = sw_cons;
 865         fp->tx_bd_cons = bd_cons;
 866
 867         /* Need to make the tx_cons update visible to start_xmit()
 868          * before checking for netif_queue_stopped().  Without the
 869          * memory barrier, there is a small possibility that start_xmit()
 870          * will miss it and cause the queue to be stopped forever.
 871          */
 872         smp_mb();
 873
 874         /* TBD need a thresh? */
 875         if (unlikely(netif_queue_stopped(bp->dev))) {
 876
 877                 netif_tx_lock(bp->dev);
 878
 879                 if (netif_queue_stopped(bp->dev) &&
 880                     (bp->state == BNX2X_STATE_OPEN) &&
 881                     (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
 882                         netif_wake_queue(bp->dev);
 883
 884                 netif_tx_unlock(bp->dev);
 885         }
 886 }
 887
 888
 889 static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
 890                            union eth_rx_cqe *rr_cqe)
 891 {
 892         struct bnx2x *bp = fp->bp;
 893         int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
 894         int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
 895
 896         DP(BNX2X_MSG_SP,
 897            "fp %d  cid %d  got ramrod #%d  state is %x  type is %d\n",
 898            FP_IDX(fp), cid, command, bp->state,
 899            rr_cqe->ramrod_cqe.ramrod_type);
 900
 901         bp->spq_left++;
 902
 903         if (FP_IDX(fp)) {
 904                 switch (command | fp->state) {
 905                 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
 906                                                 BNX2X_FP_STATE_OPENING):
 907                         DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
 908                            cid);
 909                         fp->state = BNX2X_FP_STATE_OPEN;
 910                         break;
 911
 912                 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
 913                         DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
 914                            cid);
 915                         fp->state = BNX2X_FP_STATE_HALTED;
 916                         break;
 917
 918                 default:
 919                         BNX2X_ERR("unexpected MC reply (%d)  "
 920                                   "fp->state is %x\n", command, fp->state);
 921                         break;
 922                 }
 923                 mb(); /* force bnx2x_wait_ramrod() to see the change */
 924                 return;
 925         }
 926
 927         switch (command | bp->state) {
 928         case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
 929                 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
 930                 bp->state = BNX2X_STATE_OPEN;
 931                 break;
 932
 933         case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
 934                 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
 935                 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
 936                 fp->state = BNX2X_FP_STATE_HALTED;
 937                 break;
 938
 939         case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
 940                 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
 941                 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
 942                 break;
 943
 944
 945         case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
 946         case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
 947                 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
 948                 bp->set_mac_pending = 0;
 949                 break;
 950
 951         case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
 952                 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
 953                 break;
 954
 955         default:
 956                 BNX2X_ERR("unexpected MC reply (%d)  bp->state is %x\n",
 957                           command, bp->state);
 958                 break;
 959         }
 960         mb(); /* force bnx2x_wait_ramrod() to see the change */
 961 }
 962
 963 static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
 964                                      struct bnx2x_fastpath *fp, u16 index)
 965 {
 966         struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
 967         struct page *page = sw_buf->page;
 968         struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
 969
 970         /* Skip "next page" elements */
 971         if (!page)
 972                 return;
 973
 974         pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
 975                        BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
 976         __free_pages(page, PAGES_PER_SGE_SHIFT);
 977
 978         sw_buf->page = NULL;
 979         sge->addr_hi = 0;
 980         sge->addr_lo = 0;
 981 }
 982
 983 static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
 984                                            struct bnx2x_fastpath *fp, int last)
 985 {
 986         int i;
 987
 988         for (i = 0; i < last; i++)
 989                 bnx2x_free_rx_sge(bp, fp, i);
 990 }
 991
 992 static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
 993                                      struct bnx2x_fastpath *fp, u16 index)
 994 {
 995         struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
 996         struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
 997         struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
 998         dma_addr_t mapping;
 999
1000         if (unlikely(page == NULL))
1001                 return -ENOMEM;
1002
1003         mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1004                                PCI_DMA_FROMDEVICE);
1005         if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1006                 __free_pages(page, PAGES_PER_SGE_SHIFT);
1007                 return -ENOMEM;
1008         }
1009
1010         sw_buf->page = page;
1011         pci_unmap_addr_set(sw_buf, mapping, mapping);
1012
1013         sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1014         sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1015
1016         return 0;
1017 }
1018
1019 static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1020                                      struct bnx2x_fastpath *fp, u16 index)
1021 {
1022         struct sk_buff *skb;
1023         struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1024         struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1025         dma_addr_t mapping;
1026
1027         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1028         if (unlikely(skb == NULL))
1029                 return -ENOMEM;
1030
1031         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size,
1032                                  PCI_DMA_FROMDEVICE);
1033         if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1034                 dev_kfree_skb(skb);
1035                 return -ENOMEM;
1036         }
1037
1038         rx_buf->skb = skb;
1039         pci_unmap_addr_set(rx_buf, mapping, mapping);
1040
1041         rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1042         rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1043
1044         return 0;
1045 }
1046
1047 /* note that we are not allocating a new skb,
1048  * we are just moving one from cons to prod
1049  * we are not creating a new mapping,
1050  * so there is no need to check for dma_mapping_error().
1051  */
1052 static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1053                                struct sk_buff *skb, u16 cons, u16 prod)
1054 {
1055         struct bnx2x *bp = fp->bp;
1056         struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1057         struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1058         struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1059         struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1060
1061         pci_dma_sync_single_for_device(bp->pdev,
1062                                        pci_unmap_addr(cons_rx_buf, mapping),
1063                                        bp->rx_offset + RX_COPY_THRESH,
1064                                        PCI_DMA_FROMDEVICE);
1065
1066         prod_rx_buf->skb = cons_rx_buf->skb;
1067         pci_unmap_addr_set(prod_rx_buf, mapping,
1068                            pci_unmap_addr(cons_rx_buf, mapping));
1069         *prod_bd = *cons_bd;
1070 }
1071
1072 static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1073                                              u16 idx)
1074 {
1075         u16 last_max = fp->last_max_sge;
1076
1077         if (SUB_S16(idx, last_max) > 0)
1078                 fp->last_max_sge = idx;
1079 }
1080
1081 static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1082 {
1083         int i, j;
1084
1085         for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1086                 int idx = RX_SGE_CNT * i - 1;
1087
1088                 for (j = 0; j < 2; j++) {
1089                         SGE_MASK_CLEAR_BIT(fp, idx);
1090                         idx--;
1091                 }
1092         }
1093 }
1094
1095 static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1096                                   struct eth_fast_path_rx_cqe *fp_cqe)
1097 {
1098         struct bnx2x *bp = fp->bp;
1099         u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1100                                      le16_to_cpu(fp_cqe->len_on_bd)) >>
1101                       BCM_PAGE_SHIFT;
1102         u16 last_max, last_elem, first_elem;
1103         u16 delta = 0;
1104         u16 i;
1105
1106         if (!sge_len)
1107                 return;
1108
1109         /* First mark all used pages */
1110         for (i = 0; i < sge_len; i++)
1111                 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1112
1113         DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1114            sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1115
1116         /* Here we assume that the last SGE index is the biggest */
1117         prefetch((void *)(fp->sge_mask));
1118         bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1119
1120         last_max = RX_SGE(fp->last_max_sge);
1121         last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1122         first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1123
1124         /* If ring is not full */
1125         if (last_elem + 1 != first_elem)
1126                 last_elem++;
1127
1128         /* Now update the prod */
1129         for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1130                 if (likely(fp->sge_mask[i]))
1131                         break;
1132
1133                 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1134                 delta += RX_SGE_MASK_ELEM_SZ;
1135         }
1136
1137         if (delta > 0) {
1138                 fp->rx_sge_prod += delta;
1139                 /* clear page-end entries */
1140                 bnx2x_clear_sge_mask_next_elems(fp);
1141         }
1142
1143         DP(NETIF_MSG_RX_STATUS,
1144            "fp->last_max_sge = %d  fp->rx_sge_prod = %d\n",
1145            fp->last_max_sge, fp->rx_sge_prod);
1146 }
1147
1148 static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1149 {
1150         /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1151         memset(fp->sge_mask, 0xff,
1152                (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1153
1154         /* Clear the two last indices in the page to 1:
1155            these are the indices that correspond to the "next" element,
1156            hence will never be indicated and should be removed from
1157            the calculations. */
1158         bnx2x_clear_sge_mask_next_elems(fp);
1159 }
1160
1161 static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1162                             struct sk_buff *skb, u16 cons, u16 prod)
1163 {
1164         struct bnx2x *bp = fp->bp;
1165         struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1166         struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1167         struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1168         dma_addr_t mapping;
1169
1170         /* move empty skb from pool to prod and map it */
1171         prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1172         mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1173                                  bp->rx_buf_size, PCI_DMA_FROMDEVICE);
1174         pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1175
1176         /* move partial skb from cons to pool (don't unmap yet) */
1177         fp->tpa_pool[queue] = *cons_rx_buf;
1178
1179         /* mark bin state as start - print error if current state != stop */
1180         if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1181                 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1182
1183         fp->tpa_state[queue] = BNX2X_TPA_START;
1184
1185         /* point prod_bd to new skb */
1186         prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1187         prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1188
1189 #ifdef BNX2X_STOP_ON_ERROR
1190         fp->tpa_queue_used |= (1 << queue);
1191 #ifdef __powerpc64__
1192         DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1193 #else
1194         DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1195 #endif
1196            fp->tpa_queue_used);
1197 #endif
1198 }
1199
1200 static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1201                                struct sk_buff *skb,
1202                                struct eth_fast_path_rx_cqe *fp_cqe,
1203                                u16 cqe_idx)
1204 {
1205         struct sw_rx_page *rx_pg, old_rx_pg;
1206         struct page *sge;
1207         u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1208         u32 i, frag_len, frag_size, pages;
1209         int err;
1210         int j;
1211
1212         frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1213         pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1214
1215         /* This is needed in order to enable forwarding support */
1216         if (frag_size)
1217                 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1218                                                max(frag_size, (u32)len_on_bd));
1219
1220 #ifdef BNX2X_STOP_ON_ERROR
1221         if (pages > 8*PAGES_PER_SGE) {
1222                 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1223                           pages, cqe_idx);
1224                 BNX2X_ERR("fp_cqe->pkt_len = %d  fp_cqe->len_on_bd = %d\n",
1225                           fp_cqe->pkt_len, len_on_bd);
1226                 bnx2x_panic();
1227                 return -EINVAL;
1228         }
1229 #endif
1230
1231         /* Run through the SGL and compose the fragmented skb */
1232         for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1233                 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1234
1235                 /* FW gives the indices of the SGE as if the ring is an array
1236                    (meaning that "next" element will consume 2 indices) */
1237                 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1238                 rx_pg = &fp->rx_page_ring[sge_idx];
1239                 sge = rx_pg->page;
1240                 old_rx_pg = *rx_pg;
1241
1242                 /* If we fail to allocate a substitute page, we simply stop
1243                    where we are and drop the whole packet */
1244                 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1245                 if (unlikely(err)) {
1246                         bp->eth_stats.rx_skb_alloc_failed++;
1247                         return err;
1248                 }
1249
1250                 /* Unmap the page as we r going to pass it to the stack */
1251                 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1252                               BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1253
1254                 /* Add one frag and update the appropriate fields in the skb */
1255                 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1256
1257                 skb->data_len += frag_len;
1258                 skb->truesize += frag_len;
1259                 skb->len += frag_len;
1260
1261                 frag_size -= frag_len;
1262         }
1263
1264         return 0;
1265 }
1266
1267 static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1268                            u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1269                            u16 cqe_idx)
1270 {
1271         struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1272         struct sk_buff *skb = rx_buf->skb;
1273         /* alloc new skb */
1274         struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1275
1276         /* Unmap skb in the pool anyway, as we are going to change
1277            pool entry status to BNX2X_TPA_STOP even if new skb allocation
1278            fails. */
1279         pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1280                          bp->rx_buf_size, PCI_DMA_FROMDEVICE);
1281
1282         if (likely(new_skb)) {
1283                 /* fix ip xsum and give it to the stack */
1284                 /* (no need to map the new skb) */
1285
1286                 prefetch(skb);
1287                 prefetch(((char *)(skb)) + 128);
1288
1289 #ifdef BNX2X_STOP_ON_ERROR
1290                 if (pad + len > bp->rx_buf_size) {
1291                         BNX2X_ERR("skb_put is about to fail...  "
1292                                   "pad %d  len %d  rx_buf_size %d\n",
1293                                   pad, len, bp->rx_buf_size);
1294                         bnx2x_panic();
1295                         return;
1296                 }
1297 #endif
1298
1299                 skb_reserve(skb, pad);
1300                 skb_put(skb, len);
1301
1302                 skb->protocol = eth_type_trans(skb, bp->dev);
1303                 skb->ip_summed = CHECKSUM_UNNECESSARY;
1304
1305                 {
1306                         struct iphdr *iph;
1307
1308                         iph = (struct iphdr *)skb->data;
1309                         iph->check = 0;
1310                         iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1311                 }
1312
1313                 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1314                                          &cqe->fast_path_cqe, cqe_idx)) {
1315 #ifdef BCM_VLAN
1316                         if ((bp->vlgrp != NULL) &&
1317                             (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1318                              PARSING_FLAGS_VLAN))
1319                                 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1320                                                 le16_to_cpu(cqe->fast_path_cqe.
1321                                                             vlan_tag));
1322                         else
1323 #endif
1324                                 netif_receive_skb(skb);
1325                 } else {
1326                         DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1327                            " - dropping packet!\n");
1328                         dev_kfree_skb(skb);
1329                 }
1330
1331                 bp->dev->last_rx = jiffies;
1332
1333                 /* put new skb in bin */
1334                 fp->tpa_pool[queue].skb = new_skb;
1335
1336         } else {
1337                 /* else drop the packet and keep the buffer in the bin */
1338                 DP(NETIF_MSG_RX_STATUS,
1339                    "Failed to allocate new skb - dropping packet!\n");
1340                 bp->eth_stats.rx_skb_alloc_failed++;
1341         }
1342
1343         fp->tpa_state[queue] = BNX2X_TPA_STOP;
1344 }
1345
1346 static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1347                                         struct bnx2x_fastpath *fp,
1348                                         u16 bd_prod, u16 rx_comp_prod,
1349                                         u16 rx_sge_prod)
1350 {
1351         struct tstorm_eth_rx_producers rx_prods = {0};
1352         int i;
1353
1354         /* Update producers */
1355         rx_prods.bd_prod = bd_prod;
1356         rx_prods.cqe_prod = rx_comp_prod;
1357         rx_prods.sge_prod = rx_sge_prod;
1358
1359         for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1360                 REG_WR(bp, BAR_TSTRORM_INTMEM +
1361                        TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1362                        ((u32 *)&rx_prods)[i]);
1363
1364         DP(NETIF_MSG_RX_STATUS,
1365            "Wrote: bd_prod %u  cqe_prod %u  sge_prod %u\n",
1366            bd_prod, rx_comp_prod, rx_sge_prod);
1367 }
1368
1369 static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1370 {
1371         struct bnx2x *bp = fp->bp;
1372         u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
1373         u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1374         int rx_pkt = 0;
1375
1376 #ifdef BNX2X_STOP_ON_ERROR
1377         if (unlikely(bp->panic))
1378                 return 0;
1379 #endif
1380
1381         /* CQ "next element" is of the size of the regular element,
1382            that's why it's ok here */
1383         hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1384         if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1385                 hw_comp_cons++;
1386
1387         bd_cons = fp->rx_bd_cons;
1388         bd_prod = fp->rx_bd_prod;
1389         bd_prod_fw = bd_prod;
1390         sw_comp_cons = fp->rx_comp_cons;
1391         sw_comp_prod = fp->rx_comp_prod;
1392
1393         /* Memory barrier necessary as speculative reads of the rx
1394          * buffer can be ahead of the index in the status block
1395          */
1396         rmb();
1397
1398         DP(NETIF_MSG_RX_STATUS,
1399            "queue[%d]:  hw_comp_cons %u  sw_comp_cons %u\n",
1400            FP_IDX(fp), hw_comp_cons, sw_comp_cons);
1401
1402         while (sw_comp_cons != hw_comp_cons) {
1403                 struct sw_rx_bd *rx_buf = NULL;
1404                 struct sk_buff *skb;
1405                 union eth_rx_cqe *cqe;
1406                 u8 cqe_fp_flags;
1407                 u16 len, pad;
1408
1409                 comp_ring_cons = RCQ_BD(sw_comp_cons);
1410                 bd_prod = RX_BD(bd_prod);
1411                 bd_cons = RX_BD(bd_cons);
1412
1413                 cqe = &fp->rx_comp_ring[comp_ring_cons];
1414                 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1415
1416                 DP(NETIF_MSG_RX_STATUS, "CQE type %x  err %x  status %x"
1417                    "  queue %x  vlan %x  len %u\n", CQE_TYPE(cqe_fp_flags),
1418                    cqe_fp_flags, cqe->fast_path_cqe.status_flags,
1419                    cqe->fast_path_cqe.rss_hash_result,
1420                    le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1421                    le16_to_cpu(cqe->fast_path_cqe.pkt_len));
1422
1423                 /* is this a slowpath msg? */
1424                 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
1425                         bnx2x_sp_event(fp, cqe);
1426                         goto next_cqe;
1427
1428                 /* this is an rx packet */
1429                 } else {
1430                         rx_buf = &fp->rx_buf_ring[bd_cons];
1431                         skb = rx_buf->skb;
1432                         len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1433                         pad = cqe->fast_path_cqe.placement_offset;
1434
1435                         /* If CQE is marked both TPA_START and TPA_END
1436                            it is a non-TPA CQE */
1437                         if ((!fp->disable_tpa) &&
1438                             (TPA_TYPE(cqe_fp_flags) !=
1439                                         (TPA_TYPE_START | TPA_TYPE_END))) {
1440                                 u16 queue = cqe->fast_path_cqe.queue_index;
1441
1442                                 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1443                                         DP(NETIF_MSG_RX_STATUS,
1444                                            "calling tpa_start on queue %d\n",
1445                                            queue);
1446
1447                                         bnx2x_tpa_start(fp, queue, skb,
1448                                                         bd_cons, bd_prod);
1449                                         goto next_rx;
1450                                 }
1451
1452                                 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1453                                         DP(NETIF_MSG_RX_STATUS,
1454                                            "calling tpa_stop on queue %d\n",
1455                                            queue);
1456
1457                                         if (!BNX2X_RX_SUM_FIX(cqe))
1458                                                 BNX2X_ERR("STOP on none TCP "
1459                                                           "data\n");
1460
1461                                         /* This is a size of the linear data
1462                                            on this skb */
1463                                         len = le16_to_cpu(cqe->fast_path_cqe.
1464                                                                 len_on_bd);
1465                                         bnx2x_tpa_stop(bp, fp, queue, pad,
1466                                                     len, cqe, comp_ring_cons);
1467 #ifdef BNX2X_STOP_ON_ERROR
1468                                         if (bp->panic)
1469                                                 return -EINVAL;
1470 #endif
1471
1472                                         bnx2x_update_sge_prod(fp,
1473                                                         &cqe->fast_path_cqe);
1474                                         goto next_cqe;
1475                                 }
1476                         }
1477
1478                         pci_dma_sync_single_for_device(bp->pdev,
1479                                         pci_unmap_addr(rx_buf, mapping),
1480                                                        pad + RX_COPY_THRESH,
1481                                                        PCI_DMA_FROMDEVICE);
1482                         prefetch(skb);
1483                         prefetch(((char *)(skb)) + 128);
1484
1485                         /* is this an error packet? */
1486                         if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
1487                                 DP(NETIF_MSG_RX_ERR,
1488                                    "ERROR  flags %x  rx packet %u\n",
1489                                    cqe_fp_flags, sw_comp_cons);
1490                                 bp->eth_stats.rx_err_discard_pkt++;
1491                                 goto reuse_rx;
1492                         }
1493
1494                         /* Since we don't have a jumbo ring
1495                          * copy small packets if mtu > 1500
1496                          */
1497                         if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1498                             (len <= RX_COPY_THRESH)) {
1499                                 struct sk_buff *new_skb;
1500
1501                                 new_skb = netdev_alloc_skb(bp->dev,
1502                                                            len + pad);
1503                                 if (new_skb == NULL) {
1504                                         DP(NETIF_MSG_RX_ERR,
1505                                            "ERROR  packet dropped "
1506                                            "because of alloc failure\n");
1507                                         bp->eth_stats.rx_skb_alloc_failed++;
1508                                         goto reuse_rx;
1509                                 }
1510
1511                                 /* aligned copy */
1512                                 skb_copy_from_linear_data_offset(skb, pad,
1513                                                     new_skb->data + pad, len);
1514                                 skb_reserve(new_skb, pad);
1515                                 skb_put(new_skb, len);
1516
1517                                 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1518
1519                                 skb = new_skb;
1520
1521                         } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1522                                 pci_unmap_single(bp->pdev,
1523                                         pci_unmap_addr(rx_buf, mapping),
1524                                                  bp->rx_buf_size,
1525                                                  PCI_DMA_FROMDEVICE);
1526                                 skb_reserve(skb, pad);
1527                                 skb_put(skb, len);
1528
1529                         } else {
1530                                 DP(NETIF_MSG_RX_ERR,
1531                                    "ERROR  packet dropped because "
1532                                    "of alloc failure\n");
1533                                 bp->eth_stats.rx_skb_alloc_failed++;
1534 reuse_rx:
1535                                 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1536                                 goto next_rx;
1537                         }
1538
1539                         skb->protocol = eth_type_trans(skb, bp->dev);
1540
1541                         skb->ip_summed = CHECKSUM_NONE;
1542                         if (bp->rx_csum) {
1543                                 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1544                                         skb->ip_summed = CHECKSUM_UNNECESSARY;
1545                                 else
1546                                         bp->eth_stats.hw_csum_err++;
1547                         }
1548                 }
1549
1550 #ifdef BCM_VLAN
1551                 if ((bp->vlgrp != NULL) &&
1552                     (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1553                      PARSING_FLAGS_VLAN))
1554                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1555                                 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1556                 else
1557 #endif
1558                         netif_receive_skb(skb);
1559
1560                 bp->dev->last_rx = jiffies;
1561
1562 next_rx:
1563                 rx_buf->skb = NULL;
1564
1565                 bd_cons = NEXT_RX_IDX(bd_cons);
1566                 bd_prod = NEXT_RX_IDX(bd_prod);
1567                 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1568                 rx_pkt++;
1569 next_cqe:
1570                 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1571                 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
1572
1573                 if (rx_pkt == budget)
1574                         break;
1575         } /* while */
1576
1577         fp->rx_bd_cons = bd_cons;
1578         fp->rx_bd_prod = bd_prod_fw;
1579         fp->rx_comp_cons = sw_comp_cons;
1580         fp->rx_comp_prod = sw_comp_prod;
1581
1582         /* Update producers */
1583         bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1584                              fp->rx_sge_prod);
1585         mmiowb(); /* keep prod updates ordered */
1586
1587         fp->rx_pkt += rx_pkt;
1588         fp->rx_calls++;
1589
1590         return rx_pkt;
1591 }
1592
1593 static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1594 {
1595         struct bnx2x_fastpath *fp = fp_cookie;
1596         struct bnx2x *bp = fp->bp;
1597         struct net_device *dev = bp->dev;
1598         int index = FP_IDX(fp);
1599
1600         /* Return here if interrupt is disabled */
1601         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1602                 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1603                 return IRQ_HANDLED;
1604         }
1605
1606         DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1607            index, FP_SB_ID(fp));
1608         bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
1609
1610 #ifdef BNX2X_STOP_ON_ERROR
1611         if (unlikely(bp->panic))
1612                 return IRQ_HANDLED;
1613 #endif
1614
1615         prefetch(fp->rx_cons_sb);
1616         prefetch(fp->tx_cons_sb);
1617         prefetch(&fp->status_blk->c_status_block.status_block_index);
1618         prefetch(&fp->status_blk->u_status_block.status_block_index);
1619
1620         netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
1621
1622         return IRQ_HANDLED;
1623 }
1624
1625 static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1626 {
1627         struct net_device *dev = dev_instance;
1628         struct bnx2x *bp = netdev_priv(dev);
1629         u16 status = bnx2x_ack_int(bp);
1630         u16 mask;
1631
1632         /* Return here if interrupt is shared and it's not for us */
1633         if (unlikely(status == 0)) {
1634                 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1635                 return IRQ_NONE;
1636         }
1637         DP(NETIF_MSG_INTR, "got an interrupt  status %u\n", status);
1638
1639         /* Return here if interrupt is disabled */
1640         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1641                 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1642                 return IRQ_HANDLED;
1643         }
1644
1645 #ifdef BNX2X_STOP_ON_ERROR
1646         if (unlikely(bp->panic))
1647                 return IRQ_HANDLED;
1648 #endif
1649
1650         mask = 0x2 << bp->fp[0].sb_id;
1651         if (status & mask) {
1652                 struct bnx2x_fastpath *fp = &bp->fp[0];
1653
1654                 prefetch(fp->rx_cons_sb);
1655                 prefetch(fp->tx_cons_sb);
1656                 prefetch(&fp->status_blk->c_status_block.status_block_index);
1657                 prefetch(&fp->status_blk->u_status_block.status_block_index);
1658
1659                 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1660
1661                 status &= ~mask;
1662         }
1663
1664
1665         if (unlikely(status & 0x1)) {
1666                 schedule_work(&bp->sp_task);
1667
1668                 status &= ~0x1;
1669                 if (!status)
1670                         return IRQ_HANDLED;
1671         }
1672
1673         if (status)
1674                 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1675                    status);
1676
1677         return IRQ_HANDLED;
1678 }
1679
1680 /* end of fast path */
1681
1682 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
1683
1684 /* Link */
1685
1686 /*
1687  * General service functions
1688  */
1689
1690 static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1691 {
1692         u32 lock_status;
1693         u32 resource_bit = (1 << resource);
1694         int func = BP_FUNC(bp);
1695         u32 hw_lock_control_reg;
1696         int cnt;
1697
1698         /* Validating that the resource is within range */
1699         if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1700                 DP(NETIF_MSG_HW,
1701                    "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1702                    resource, HW_LOCK_MAX_RESOURCE_VALUE);
1703                 return -EINVAL;
1704         }
1705
1706         if (func <= 5) {
1707                 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1708         } else {
1709                 hw_lock_control_reg =
1710                                 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1711         }
1712
1713         /* Validating that the resource is not already taken */
1714         lock_status = REG_RD(bp, hw_lock_control_reg);
1715         if (lock_status & resource_bit) {
1716                 DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
1717                    lock_status, resource_bit);
1718                 return -EEXIST;
1719         }
1720
1721         /* Try for 5 second every 5ms */
1722         for (cnt = 0; cnt < 1000; cnt++) {
1723                 /* Try to acquire the lock */
1724                 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1725                 lock_status = REG_RD(bp, hw_lock_control_reg);
1726                 if (lock_status & resource_bit)
1727                         return 0;
1728
1729                 msleep(5);
1730         }
1731         DP(NETIF_MSG_HW, "Timeout\n");
1732         return -EAGAIN;
1733 }
1734
1735 static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
1736 {
1737         u32 lock_status;
1738         u32 resource_bit = (1 << resource);
1739         int func = BP_FUNC(bp);
1740         u32 hw_lock_control_reg;
1741
1742         /* Validating that the resource is within range */
1743         if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1744                 DP(NETIF_MSG_HW,
1745                    "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1746                    resource, HW_LOCK_MAX_RESOURCE_VALUE);
1747                 return -EINVAL;
1748         }
1749
1750         if (func <= 5) {
1751                 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1752         } else {
1753                 hw_lock_control_reg =
1754                                 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1755         }
1756
1757         /* Validating that the resource is currently taken */
1758         lock_status = REG_RD(bp, hw_lock_control_reg);
1759         if (!(lock_status & resource_bit)) {
1760                 DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
1761                    lock_status, resource_bit);
1762                 return -EFAULT;
1763         }
1764
1765         REG_WR(bp, hw_lock_control_reg, resource_bit);
1766         return 0;
1767 }
1768
1769 /* HW Lock for shared dual port PHYs */
1770 static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
1771 {
1772         u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1773
1774         mutex_lock(&bp->port.phy_mutex);
1775
1776         if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1777             (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1778                 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1779 }
1780
1781 static void bnx2x_release_phy_lock(struct bnx2x *bp)
1782 {
1783         u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1784
1785         if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1786             (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1787                 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1788
1789         mutex_unlock(&bp->port.phy_mutex);
1790 }
1791
1792 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1793 {
1794         /* The GPIO should be swapped if swap register is set and active */
1795         int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1796                          REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1797         int gpio_shift = gpio_num +
1798                         (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1799         u32 gpio_mask = (1 << gpio_shift);
1800         u32 gpio_reg;
1801
1802         if (gpio_num > MISC_REGISTERS_GPIO_3) {
1803                 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1804                 return -EINVAL;
1805         }
1806
1807         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1808         /* read GPIO and mask except the float bits */
1809         gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1810
1811         switch (mode) {
1812         case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1813                 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1814                    gpio_num, gpio_shift);
1815                 /* clear FLOAT and set CLR */
1816                 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1817                 gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1818                 break;
1819
1820         case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1821                 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1822                    gpio_num, gpio_shift);
1823                 /* clear FLOAT and set SET */
1824                 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1825                 gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1826                 break;
1827
1828         case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1829                 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1830                    gpio_num, gpio_shift);
1831                 /* set FLOAT */
1832                 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1833                 break;
1834
1835         default:
1836                 break;
1837         }
1838
1839         REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1840         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1841
1842         return 0;
1843 }
1844
1845 static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1846 {
1847         u32 spio_mask = (1 << spio_num);
1848         u32 spio_reg;
1849
1850         if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1851             (spio_num > MISC_REGISTERS_SPIO_7)) {
1852                 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1853                 return -EINVAL;
1854         }
1855
1856         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1857         /* read SPIO and mask except the float bits */
1858         spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1859
1860         switch (mode) {
1861         case MISC_REGISTERS_SPIO_OUTPUT_LOW:
1862                 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1863                 /* clear FLOAT and set CLR */
1864                 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1865                 spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1866                 break;
1867
1868         case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
1869                 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1870                 /* clear FLOAT and set SET */
1871                 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1872                 spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1873                 break;
1874
1875         case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1876                 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1877                 /* set FLOAT */
1878                 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1879                 break;
1880
1881         default:
1882                 break;
1883         }
1884
1885         REG_WR(bp, MISC_REG_SPIO, spio_reg);
1886         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1887
1888         return 0;
1889 }
1890
1891 static void bnx2x_calc_fc_adv(struct bnx2x *bp)
1892 {
1893         switch (bp->link_vars.ieee_fc) {
1894         case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1895                 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1896                                           ADVERTISED_Pause);
1897                 break;
1898         case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1899                 bp->port.advertising |= (ADVERTISED_Asym_Pause |
1900                                          ADVERTISED_Pause);
1901                 break;
1902         case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1903                 bp->port.advertising |= ADVERTISED_Asym_Pause;
1904                 break;
1905         default:
1906                 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1907                                           ADVERTISED_Pause);
1908                 break;
1909         }
1910 }
1911
1912 static void bnx2x_link_report(struct bnx2x *bp)
1913 {
1914         if (bp->link_vars.link_up) {
1915                 if (bp->state == BNX2X_STATE_OPEN)
1916                         netif_carrier_on(bp->dev);
1917                 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1918
1919                 printk("%d Mbps ", bp->link_vars.line_speed);
1920
1921                 if (bp->link_vars.duplex == DUPLEX_FULL)
1922                         printk("full duplex");
1923                 else
1924                         printk("half duplex");
1925
1926                 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1927                         if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
1928                                 printk(", receive ");
1929                                 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
1930                                         printk("& transmit ");
1931                         } else {
1932                                 printk(", transmit ");
1933                         }
1934                         printk("flow control ON");
1935                 }
1936                 printk("\n");
1937
1938         } else { /* link_down */
1939                 netif_carrier_off(bp->dev);
1940                 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
1941         }
1942 }
1943
1944 static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
1945 {
1946         if (!BP_NOMCP(bp)) {
1947                 u8 rc;
1948
1949                 /* Initialize link parameters structure variables */
1950                 /* It is recommended to turn off RX FC for jumbo frames
1951                    for better performance */
1952                 if (IS_E1HMF(bp))
1953                         bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
1954                 else if (bp->dev->mtu > 5000)
1955                         bp->link_params.req_fc_auto_adv = FLOW_CTRL_TX;
1956                 else
1957                         bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
1958
1959                 bnx2x_acquire_phy_lock(bp);
1960                 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1961                 bnx2x_release_phy_lock(bp);
1962
1963                 if (bp->link_vars.link_up)
1964                         bnx2x_link_report(bp);
1965
1966                 bnx2x_calc_fc_adv(bp);
1967
1968                 return rc;
1969         }
1970         BNX2X_ERR("Bootcode is missing -not initializing link\n");
1971         return -EINVAL;
1972 }
1973
1974 static void bnx2x_link_set(struct bnx2x *bp)
1975 {
1976         if (!BP_NOMCP(bp)) {
1977                 bnx2x_acquire_phy_lock(bp);
1978                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1979                 bnx2x_release_phy_lock(bp);
1980
1981                 bnx2x_calc_fc_adv(bp);
1982         } else
1983                 BNX2X_ERR("Bootcode is missing -not setting link\n");
1984 }
1985
1986 static void bnx2x__link_reset(struct bnx2x *bp)
1987 {
1988         if (!BP_NOMCP(bp)) {
1989                 bnx2x_acquire_phy_lock(bp);
1990                 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
1991                 bnx2x_release_phy_lock(bp);
1992         } else
1993                 BNX2X_ERR("Bootcode is missing -not resetting link\n");
1994 }
1995
1996 static u8 bnx2x_link_test(struct bnx2x *bp)
1997 {
1998         u8 rc;
1999
2000         bnx2x_acquire_phy_lock(bp);
2001         rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
2002         bnx2x_release_phy_lock(bp);
2003
2004         return rc;
2005 }
2006
2007 /* Calculates the sum of vn_min_rates.
2008    It's needed for further normalizing of the min_rates.
2009
2010    Returns:
2011      sum of vn_min_rates
2012        or
2013      0 - if all the min_rates are 0.
2014      In the later case fairness algorithm should be deactivated.
2015      If not all min_rates are zero then those that are zeroes will
2016      be set to 1.
2017  */
2018 static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2019 {
2020         int i, port = BP_PORT(bp);
2021         u32 wsum = 0;
2022         int all_zero = 1;
2023
2024         for (i = 0; i < E1HVN_MAX; i++) {
2025                 u32 vn_cfg =
2026                         SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2027                 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2028                                      FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2029                 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2030                         /* If min rate is zero - set it to 1 */
2031                         if (!vn_min_rate)
2032                                 vn_min_rate = DEF_MIN_RATE;
2033                         else
2034                                 all_zero = 0;
2035
2036                         wsum += vn_min_rate;
2037                 }
2038         }
2039
2040         /* ... only if all min rates are zeros - disable FAIRNESS */
2041         if (all_zero)
2042                 return 0;
2043
2044         return wsum;
2045 }
2046
2047 static void bnx2x_init_port_minmax(struct bnx2x *bp,
2048                                    int en_fness,
2049                                    u16 port_rate,
2050                                    struct cmng_struct_per_port *m_cmng_port)
2051 {
2052         u32 r_param = port_rate / 8;
2053         int port = BP_PORT(bp);
2054         int i;
2055
2056         memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2057
2058         /* Enable minmax only if we are in e1hmf mode */
2059         if (IS_E1HMF(bp)) {
2060                 u32 fair_periodic_timeout_usec;
2061                 u32 t_fair;
2062
2063                 /* Enable rate shaping and fairness */
2064                 m_cmng_port->flags.cmng_vn_enable = 1;
2065                 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2066                 m_cmng_port->flags.rate_shaping_enable = 1;
2067
2068                 if (!en_fness)
2069                         DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2070                            "  fairness will be disabled\n");
2071
2072                 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2073                 m_cmng_port->rs_vars.rs_periodic_timeout =
2074                                                 RS_PERIODIC_TIMEOUT_USEC / 4;
2075
2076                 /* this is the threshold below which no timer arming will occur
2077                    1.25 coefficient is for the threshold to be a little bigger
2078                    than the real time, to compensate for timer in-accuracy */
2079                 m_cmng_port->rs_vars.rs_threshold =
2080                                 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2081
2082                 /* resolution of fairness timer */
2083                 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2084                 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2085                 t_fair = T_FAIR_COEF / port_rate;
2086
2087                 /* this is the threshold below which we won't arm
2088                    the timer anymore */
2089                 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2090
2091                 /* we multiply by 1e3/8 to get bytes/msec.
2092                    We don't want the credits to pass a credit
2093                    of the T_FAIR*FAIR_MEM (algorithm resolution) */
2094                 m_cmng_port->fair_vars.upper_bound =
2095                                                 r_param * t_fair * FAIR_MEM;
2096                 /* since each tick is 4 usec */
2097                 m_cmng_port->fair_vars.fairness_timeout =
2098                                                 fair_periodic_timeout_usec / 4;
2099
2100         } else {
2101                 /* Disable rate shaping and fairness */
2102                 m_cmng_port->flags.cmng_vn_enable = 0;
2103                 m_cmng_port->flags.fairness_enable = 0;
2104                 m_cmng_port->flags.rate_shaping_enable = 0;
2105
2106                 DP(NETIF_MSG_IFUP,
2107                    "Single function mode  minmax will be disabled\n");
2108         }
2109
2110         /* Store it to internal memory */
2111         for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2112                 REG_WR(bp, BAR_XSTRORM_INTMEM +
2113                        XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2114                        ((u32 *)(m_cmng_port))[i]);
2115 }
2116
2117 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2118                                    u32 wsum, u16 port_rate,
2119                                  struct cmng_struct_per_port *m_cmng_port)
2120 {
2121         struct rate_shaping_vars_per_vn m_rs_vn;
2122         struct fairness_vars_per_vn m_fair_vn;
2123         u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2124         u16 vn_min_rate, vn_max_rate;
2125         int i;
2126
2127         /* If function is hidden - set min and max to zeroes */
2128         if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2129                 vn_min_rate = 0;
2130                 vn_max_rate = 0;
2131
2132         } else {
2133                 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2134                                 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2135                 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2136                    if current min rate is zero - set it to 1.
2137                    This is a requirement of the algorithm. */
2138                 if ((vn_min_rate == 0) && wsum)
2139                         vn_min_rate = DEF_MIN_RATE;
2140                 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2141                                 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2142         }
2143
2144         DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d  vn_max_rate=%d  "
2145            "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2146
2147         memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2148         memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2149
2150         /* global vn counter - maximal Mbps for this vn */
2151         m_rs_vn.vn_counter.rate = vn_max_rate;
2152
2153         /* quota - number of bytes transmitted in this period */
2154         m_rs_vn.vn_counter.quota =
2155                                 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2156
2157 #ifdef BNX2X_PER_PROT_QOS
2158         /* per protocol counter */
2159         for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2160                 /* maximal Mbps for this protocol */
2161                 m_rs_vn.protocol_counters[protocol].rate =
2162                                                 protocol_max_rate[protocol];
2163                 /* the quota in each timer period -
2164                    number of bytes transmitted in this period */
2165                 m_rs_vn.protocol_counters[protocol].quota =
2166                         (u32)(rs_periodic_timeout_usec *
2167                           ((double)m_rs_vn.
2168                                    protocol_counters[protocol].rate/8));
2169         }
2170 #endif
2171
2172         if (wsum) {
2173                 /* credit for each period of the fairness algorithm:
2174                    number of bytes in T_FAIR (the vn share the port rate).
2175                    wsum should not be larger than 10000, thus
2176                    T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2177                 m_fair_vn.vn_credit_delta =
2178                         max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2179                             (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2180                 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2181                    m_fair_vn.vn_credit_delta);
2182         }
2183
2184 #ifdef BNX2X_PER_PROT_QOS
2185         do {
2186                 u32 protocolWeightSum = 0;
2187
2188                 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2189                         protocolWeightSum +=
2190                                         drvInit.protocol_min_rate[protocol];
2191                 /* per protocol counter -
2192                    NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2193                 if (protocolWeightSum > 0) {
2194                         for (protocol = 0;
2195                              protocol < NUM_OF_PROTOCOLS; protocol++)
2196                                 /* credit for each period of the
2197                                    fairness algorithm - number of bytes in
2198                                    T_FAIR (the protocol share the vn rate) */
2199                                 m_fair_vn.protocol_credit_delta[protocol] =
2200                                         (u32)((vn_min_rate / 8) * t_fair *
2201                                         protocol_min_rate / protocolWeightSum);
2202                 }
2203         } while (0);
2204 #endif
2205
2206         /* Store it to internal memory */
2207         for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2208                 REG_WR(bp, BAR_XSTRORM_INTMEM +
2209                        XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2210                        ((u32 *)(&m_rs_vn))[i]);
2211
2212         for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2213                 REG_WR(bp, BAR_XSTRORM_INTMEM +
2214                        XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2215                        ((u32 *)(&m_fair_vn))[i]);
2216 }
2217
2218 /* This function is called upon link interrupt */
2219 static void bnx2x_link_attn(struct bnx2x *bp)
2220 {
2221         int vn;
2222
2223         /* Make sure that we are synced with the current statistics */
2224         bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2225
2226         bnx2x_acquire_phy_lock(bp);
2227         bnx2x_link_update(&bp->link_params, &bp->link_vars);
2228         bnx2x_release_phy_lock(bp);
2229
2230         if (bp->link_vars.link_up) {
2231
2232                 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2233                         struct host_port_stats *pstats;
2234
2235                         pstats = bnx2x_sp(bp, port_stats);
2236                         /* reset old bmac stats */
2237                         memset(&(pstats->mac_stx[0]), 0,
2238                                sizeof(struct mac_stx));
2239                 }
2240                 if ((bp->state == BNX2X_STATE_OPEN) ||
2241                     (bp->state == BNX2X_STATE_DISABLED))
2242                         bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2243         }
2244
2245         /* indicate link status */
2246         bnx2x_link_report(bp);
2247
2248         if (IS_E1HMF(bp)) {
2249                 int func;
2250
2251                 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2252                         if (vn == BP_E1HVN(bp))
2253                                 continue;
2254
2255                         func = ((vn << 1) | BP_PORT(bp));
2256
2257                         /* Set the attention towards other drivers
2258                            on the same port */
2259                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2260                                (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2261                 }
2262         }
2263
2264         if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2265                 struct cmng_struct_per_port m_cmng_port;
2266                 u32 wsum;
2267                 int port = BP_PORT(bp);
2268
2269                 /* Init RATE SHAPING and FAIRNESS contexts */
2270                 wsum = bnx2x_calc_vn_wsum(bp);
2271                 bnx2x_init_port_minmax(bp, (int)wsum,
2272                                         bp->link_vars.line_speed,
2273                                         &m_cmng_port);
2274                 if (IS_E1HMF(bp))
2275                         for (vn = VN_0; vn < E1HVN_MAX; vn++)
2276                                 bnx2x_init_vn_minmax(bp, 2*vn + port,
2277                                         wsum, bp->link_vars.line_speed,
2278                                                      &m_cmng_port);
2279         }
2280 }
2281
2282 static void bnx2x__link_status_update(struct bnx2x *bp)
2283 {
2284         if (bp->state != BNX2X_STATE_OPEN)
2285                 return;
2286
2287         bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2288
2289         if (bp->link_vars.link_up)
2290                 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2291         else
2292                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2293
2294         /* indicate link status */
2295         bnx2x_link_report(bp);
2296 }
2297
2298 static void bnx2x_pmf_update(struct bnx2x *bp)
2299 {
2300         int port = BP_PORT(bp);
2301         u32 val;
2302
2303         bp->port.pmf = 1;
2304         DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2305
2306         /* enable nig attention */
2307         val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2308         REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2309         REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2310
2311         bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2312 }
2313
2314 /* end of Link */
2315
2316 /* slow path */
2317
2318 /*
2319  * General service functions
2320  */
2321
2322 /* the slow path queue is odd since completions arrive on the fastpath ring */
2323 static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2324                          u32 data_hi, u32 data_lo, int common)
2325 {
2326         int func = BP_FUNC(bp);
2327
2328         DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2329            "SPQE (%x:%x)  command %d  hw_cid %x  data (%x:%x)  left %x\n",
2330            (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2331            (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2332            HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2333
2334 #ifdef BNX2X_STOP_ON_ERROR
2335         if (unlikely(bp->panic))
2336                 return -EIO;
2337 #endif
2338
2339         spin_lock_bh(&bp->spq_lock);
2340
2341         if (!bp->spq_left) {
2342                 BNX2X_ERR("BUG! SPQ ring full!\n");
2343                 spin_unlock_bh(&bp->spq_lock);
2344                 bnx2x_panic();
2345                 return -EBUSY;
2346         }
2347
2348         /* CID needs port number to be encoded int it */
2349         bp->spq_prod_bd->hdr.conn_and_cmd_data =
2350                         cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2351                                      HW_CID(bp, cid)));
2352         bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2353         if (common)
2354                 bp->spq_prod_bd->hdr.type |=
2355                         cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2356
2357         bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2358         bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2359
2360         bp->spq_left--;
2361
2362         if (bp->spq_prod_bd == bp->spq_last_bd) {
2363                 bp->spq_prod_bd = bp->spq;
2364                 bp->spq_prod_idx = 0;
2365                 DP(NETIF_MSG_TIMER, "end of spq\n");
2366
2367         } else {
2368                 bp->spq_prod_bd++;
2369                 bp->spq_prod_idx++;
2370         }
2371
2372         REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
2373                bp->spq_prod_idx);
2374
2375         spin_unlock_bh(&bp->spq_lock);
2376         return 0;
2377 }
2378
2379 /* acquire split MCP access lock register */
2380 static int bnx2x_acquire_alr(struct bnx2x *bp)
2381 {
2382         u32 i, j, val;
2383         int rc = 0;
2384
2385         might_sleep();
2386         i = 100;
2387         for (j = 0; j < i*10; j++) {
2388                 val = (1UL << 31);
2389                 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2390                 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2391                 if (val & (1L << 31))
2392                         break;
2393
2394                 msleep(5);
2395         }
2396         if (!(val & (1L << 31))) {
2397                 BNX2X_ERR("Cannot acquire MCP access lock register\n");
2398                 rc = -EBUSY;
2399         }
2400
2401         return rc;
2402 }
2403
2404 /* release split MCP access lock register */
2405 static void bnx2x_release_alr(struct bnx2x *bp)
2406 {
2407         u32 val = 0;
2408
2409         REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2410 }
2411
2412 static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2413 {
2414         struct host_def_status_block *def_sb = bp->def_status_blk;
2415         u16 rc = 0;
2416
2417         barrier(); /* status block is written to by the chip */
2418         if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2419                 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2420                 rc |= 1;
2421         }
2422         if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2423                 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2424                 rc |= 2;
2425         }
2426         if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2427                 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2428                 rc |= 4;
2429         }
2430         if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2431                 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2432                 rc |= 8;
2433         }
2434         if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2435                 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2436                 rc |= 16;
2437         }
2438         return rc;
2439 }
2440
2441 /*
2442  * slow path service functions
2443  */
2444
2445 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2446 {
2447         int port = BP_PORT(bp);
2448         u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2449                        COMMAND_REG_ATTN_BITS_SET);
2450         u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2451                               MISC_REG_AEU_MASK_ATTN_FUNC_0;
2452         u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2453                                        NIG_REG_MASK_INTERRUPT_PORT0;
2454         u32 aeu_mask;
2455
2456         if (bp->attn_state & asserted)
2457                 BNX2X_ERR("IGU ERROR\n");
2458
2459         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2460         aeu_mask = REG_RD(bp, aeu_addr);
2461
2462         DP(NETIF_MSG_HW, "aeu_mask %x  newly asserted %x\n",
2463            aeu_mask, asserted);
2464         aeu_mask &= ~(asserted & 0xff);
2465         DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2466
2467         REG_WR(bp, aeu_addr, aeu_mask);
2468         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2469
2470         DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2471         bp->attn_state |= asserted;
2472         DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2473
2474         if (asserted & ATTN_HARD_WIRED_MASK) {
2475                 if (asserted & ATTN_NIG_FOR_FUNC) {
2476
2477                         /* save nig interrupt mask */
2478                         bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2479                         REG_WR(bp, nig_int_mask_addr, 0);
2480
2481                         bnx2x_link_attn(bp);
2482
2483                         /* handle unicore attn? */
2484                 }
2485                 if (asserted & ATTN_SW_TIMER_4_FUNC)
2486                         DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2487
2488                 if (asserted & GPIO_2_FUNC)
2489                         DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2490
2491                 if (asserted & GPIO_3_FUNC)
2492                         DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2493
2494                 if (asserted & GPIO_4_FUNC)
2495                         DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2496
2497                 if (port == 0) {
2498                         if (asserted & ATTN_GENERAL_ATTN_1) {
2499                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2500                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2501                         }
2502                         if (asserted & ATTN_GENERAL_ATTN_2) {
2503                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2504                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2505                         }
2506                         if (asserted & ATTN_GENERAL_ATTN_3) {
2507                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2508                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2509                         }
2510                 } else {
2511                         if (asserted & ATTN_GENERAL_ATTN_4) {
2512                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2513                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2514                         }
2515                         if (asserted & ATTN_GENERAL_ATTN_5) {
2516                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2517                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2518                         }
2519                         if (asserted & ATTN_GENERAL_ATTN_6) {
2520                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2521                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2522                         }
2523                 }
2524
2525         } /* if hardwired */
2526
2527         DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2528            asserted, hc_addr);
2529         REG_WR(bp, hc_addr, asserted);
2530
2531         /* now set back the mask */
2532         if (asserted & ATTN_NIG_FOR_FUNC)
2533                 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2534 }
2535
2536 static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2537 {
2538         int port = BP_PORT(bp);
2539         int reg_offset;
2540         u32 val;
2541
2542         reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2543                              MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2544
2545         if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2546
2547                 val = REG_RD(bp, reg_offset);
2548                 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2549                 REG_WR(bp, reg_offset, val);
2550
2551                 BNX2X_ERR("SPIO5 hw attention\n");
2552
2553                 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
2554                 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
2555                 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2556                         /* Fan failure attention */
2557
2558                         /* The PHY reset is controlled by GPIO 1 */
2559                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2560                                        MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2561                         /* Low power mode is controlled by GPIO 2 */
2562                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2563                                        MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2564                         /* mark the failure */
2565                         bp->link_params.ext_phy_config &=
2566                                         ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2567                         bp->link_params.ext_phy_config |=
2568                                         PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2569                         SHMEM_WR(bp,
2570                                  dev_info.port_hw_config[port].
2571                                                         external_phy_config,
2572                                  bp->link_params.ext_phy_config);
2573                         /* log the failure */
2574                         printk(KERN_ERR PFX "Fan Failure on Network"
2575                                " Controller %s has caused the driver to"
2576                                " shutdown the card to prevent permanent"
2577                                " damage.  Please contact Dell Support for"
2578                                " assistance\n", bp->dev->name);
2579                         break;
2580
2581                 default:
2582                         break;
2583                 }
2584         }
2585
2586         if (attn & HW_INTERRUT_ASSERT_SET_0) {
2587
2588                 val = REG_RD(bp, reg_offset);
2589                 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2590                 REG_WR(bp, reg_offset, val);
2591
2592                 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2593                           (attn & HW_INTERRUT_ASSERT_SET_0));
2594                 bnx2x_panic();
2595         }
2596 }
2597
2598 static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2599 {
2600         u32 val;
2601
2602         if (attn & BNX2X_DOORQ_ASSERT) {
2603
2604                 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2605                 BNX2X_ERR("DB hw attention 0x%x\n", val);
2606                 /* DORQ discard attention */
2607                 if (val & 0x2)
2608                         BNX2X_ERR("FATAL error from DORQ\n");
2609         }
2610
2611         if (attn & HW_INTERRUT_ASSERT_SET_1) {
2612
2613                 int port = BP_PORT(bp);
2614                 int reg_offset;
2615
2616                 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2617                                      MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2618
2619                 val = REG_RD(bp, reg_offset);
2620                 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2621                 REG_WR(bp, reg_offset, val);
2622
2623                 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2624                           (attn & HW_INTERRUT_ASSERT_SET_1));
2625                 bnx2x_panic();
2626         }
2627 }
2628
2629 static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2630 {
2631         u32 val;
2632
2633         if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2634
2635                 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2636                 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2637                 /* CFC error attention */
2638                 if (val & 0x2)
2639                         BNX2X_ERR("FATAL error from CFC\n");
2640         }
2641
2642         if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2643
2644                 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2645                 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2646                 /* RQ_USDMDP_FIFO_OVERFLOW */
2647                 if (val & 0x18000)
2648                         BNX2X_ERR("FATAL error from PXP\n");
2649         }
2650
2651         if (attn & HW_INTERRUT_ASSERT_SET_2) {
2652
2653                 int port = BP_PORT(bp);
2654                 int reg_offset;
2655
2656                 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2657                                      MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2658
2659                 val = REG_RD(bp, reg_offset);
2660                 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2661                 REG_WR(bp, reg_offset, val);
2662
2663                 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2664                           (attn & HW_INTERRUT_ASSERT_SET_2));
2665                 bnx2x_panic();
2666         }
2667 }
2668
2669 static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2670 {
2671         u32 val;
2672
2673         if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2674
2675                 if (attn & BNX2X_PMF_LINK_ASSERT) {
2676                         int func = BP_FUNC(bp);
2677
2678                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2679                         bnx2x__link_status_update(bp);
2680                         if (SHMEM_RD(bp, func_mb[func].drv_status) &
2681                                                         DRV_STATUS_PMF)
2682                                 bnx2x_pmf_update(bp);
2683
2684                 } else if (attn & BNX2X_MC_ASSERT_BITS) {
2685
2686                         BNX2X_ERR("MC assert!\n");
2687                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2688                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2689                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2690                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2691                         bnx2x_panic();
2692
2693                 } else if (attn & BNX2X_MCP_ASSERT) {
2694
2695                         BNX2X_ERR("MCP assert!\n");
2696                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
2697                         bnx2x_fw_dump(bp);
2698
2699                 } else
2700                         BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2701         }
2702
2703         if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
2704                 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2705                 if (attn & BNX2X_GRC_TIMEOUT) {
2706                         val = CHIP_IS_E1H(bp) ?
2707                                 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2708                         BNX2X_ERR("GRC time-out 0x%08x\n", val);
2709                 }
2710                 if (attn & BNX2X_GRC_RSV) {
2711                         val = CHIP_IS_E1H(bp) ?
2712                                 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2713                         BNX2X_ERR("GRC reserved 0x%08x\n", val);
2714                 }
2715                 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
2716         }
2717 }
2718
2719 static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2720 {
2721         struct attn_route attn;
2722         struct attn_route group_mask;
2723         int port = BP_PORT(bp);
2724         int index;
2725         u32 reg_addr;
2726         u32 val;
2727         u32 aeu_mask;
2728
2729         /* need to take HW lock because MCP or other port might also
2730            try to handle this event */
2731         bnx2x_acquire_alr(bp);
2732
2733         attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2734         attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2735         attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2736         attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
2737         DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2738            attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
2739
2740         for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2741                 if (deasserted & (1 << index)) {
2742                         group_mask = bp->attn_group[index];
2743
2744                         DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2745                            index, group_mask.sig[0], group_mask.sig[1],
2746                            group_mask.sig[2], group_mask.sig[3]);
2747
2748                         bnx2x_attn_int_deasserted3(bp,
2749                                         attn.sig[3] & group_mask.sig[3]);
2750                         bnx2x_attn_int_deasserted1(bp,
2751                                         attn.sig[1] & group_mask.sig[1]);
2752                         bnx2x_attn_int_deasserted2(bp,
2753                                         attn.sig[2] & group_mask.sig[2]);
2754                         bnx2x_attn_int_deasserted0(bp,
2755                                         attn.sig[0] & group_mask.sig[0]);
2756
2757                         if ((attn.sig[0] & group_mask.sig[0] &
2758                                                 HW_PRTY_ASSERT_SET_0) ||
2759                             (attn.sig[1] & group_mask.sig[1] &
2760                                                 HW_PRTY_ASSERT_SET_1) ||
2761                             (attn.sig[2] & group_mask.sig[2] &
2762                                                 HW_PRTY_ASSERT_SET_2))
2763                                 BNX2X_ERR("FATAL HW block parity attention\n");
2764                 }
2765         }
2766
2767         bnx2x_release_alr(bp);
2768
2769         reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
2770
2771         val = ~deasserted;
2772         DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2773            val, reg_addr);
2774         REG_WR(bp, reg_addr, val);
2775
2776         if (~bp->attn_state & deasserted)
2777                 BNX2X_ERR("IGU ERROR\n");
2778
2779         reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2780                           MISC_REG_AEU_MASK_ATTN_FUNC_0;
2781
2782         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2783         aeu_mask = REG_RD(bp, reg_addr);
2784
2785         DP(NETIF_MSG_HW, "aeu_mask %x  newly deasserted %x\n",
2786            aeu_mask, deasserted);
2787         aeu_mask |= (deasserted & 0xff);
2788         DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2789
2790         REG_WR(bp, reg_addr, aeu_mask);
2791         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2792
2793         DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2794         bp->attn_state &= ~deasserted;
2795         DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2796 }
2797
2798 static void bnx2x_attn_int(struct bnx2x *bp)
2799 {
2800         /* read local copy of bits */
2801         u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2802         u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2803         u32 attn_state = bp->attn_state;
2804
2805         /* look for changed bits */
2806         u32 asserted   =  attn_bits & ~attn_ack & ~attn_state;
2807         u32 deasserted = ~attn_bits &  attn_ack &  attn_state;
2808
2809         DP(NETIF_MSG_HW,
2810            "attn_bits %x  attn_ack %x  asserted %x  deasserted %x\n",
2811            attn_bits, attn_ack, asserted, deasserted);
2812
2813         if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
2814                 BNX2X_ERR("BAD attention state\n");
2815
2816         /* handle bits that were raised */
2817         if (asserted)
2818                 bnx2x_attn_int_asserted(bp, asserted);
2819
2820         if (deasserted)
2821                 bnx2x_attn_int_deasserted(bp, deasserted);
2822 }
2823
2824 static void bnx2x_sp_task(struct work_struct *work)
2825 {
2826         struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2827         u16 status;
2828
2829
2830         /* Return here if interrupt is disabled */
2831         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2832                 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2833                 return;
2834         }
2835
2836         status = bnx2x_update_dsb_idx(bp);
2837 /*      if (status == 0)                                     */
2838 /*              BNX2X_ERR("spurious slowpath interrupt!\n"); */
2839
2840         DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
2841
2842         /* HW attentions */
2843         if (status & 0x1)
2844                 bnx2x_attn_int(bp);
2845
2846         /* CStorm events: query_stats, port delete ramrod */
2847         if (status & 0x2)
2848                 bp->stats_pending = 0;
2849
2850         bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2851                      IGU_INT_NOP, 1);
2852         bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2853                      IGU_INT_NOP, 1);
2854         bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2855                      IGU_INT_NOP, 1);
2856         bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2857                      IGU_INT_NOP, 1);
2858         bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2859                      IGU_INT_ENABLE, 1);
2860
2861 }
2862
2863 static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2864 {
2865         struct net_device *dev = dev_instance;
2866         struct bnx2x *bp = netdev_priv(dev);
2867
2868         /* Return here if interrupt is disabled */
2869         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2870                 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2871                 return IRQ_HANDLED;
2872         }
2873
2874         bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
2875
2876 #ifdef BNX2X_STOP_ON_ERROR
2877         if (unlikely(bp->panic))
2878                 return IRQ_HANDLED;
2879 #endif
2880
2881         schedule_work(&bp->sp_task);
2882
2883         return IRQ_HANDLED;
2884 }
2885
2886 /* end of slow path */
2887
2888 /* Statistics */
2889
2890 /****************************************************************************
2891 * Macros
2892 ****************************************************************************/
2893
2894 /* sum[hi:lo] += add[hi:lo] */
2895 #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2896         do { \
2897                 s_lo += a_lo; \
2898                 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2899         } while (0)
2900
2901 /* difference = minuend - subtrahend */
2902 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2903         do { \
2904                 if (m_lo < s_lo) { \
2905                         /* underflow */ \
2906                         d_hi = m_hi - s_hi; \
2907                         if (d_hi > 0) { \
2908                                 /* we can 'loan' 1 */ \
2909                                 d_hi--; \
2910                                 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
2911                         } else { \
2912                                 /* m_hi <= s_hi */ \
2913                                 d_hi = 0; \
2914                                 d_lo = 0; \
2915                         } \
2916                 } else { \
2917                         /* m_lo >= s_lo */ \
2918                         if (m_hi < s_hi) { \
2919                                 d_hi = 0; \
2920                                 d_lo = 0; \
2921                         } else { \
2922                                 /* m_hi >= s_hi */ \
2923                                 d_hi = m_hi - s_hi; \
2924                                 d_lo = m_lo - s_lo; \
2925                         } \
2926                 } \
2927         } while (0)
2928
2929 #define UPDATE_STAT64(s, t) \
2930         do { \
2931                 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2932                         diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2933                 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2934                 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2935                 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2936                        pstats->mac_stx[1].t##_lo, diff.lo); \
2937         } while (0)
2938
2939 #define UPDATE_STAT64_NIG(s, t) \
2940         do { \
2941                 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2942                         diff.lo, new->s##_lo, old->s##_lo); \
2943                 ADD_64(estats->t##_hi, diff.hi, \
2944                        estats->t##_lo, diff.lo); \
2945         } while (0)
2946
2947 /* sum[hi:lo] += add */
2948 #define ADD_EXTEND_64(s_hi, s_lo, a) \
2949         do { \
2950                 s_lo += a; \
2951                 s_hi += (s_lo < a) ? 1 : 0; \
2952         } while (0)
2953
2954 #define UPDATE_EXTEND_STAT(s) \
2955         do { \
2956                 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2957                               pstats->mac_stx[1].s##_lo, \
2958                               new->s); \
2959         } while (0)
2960
2961 #define UPDATE_EXTEND_TSTAT(s, t) \
2962         do { \
2963                 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2964                 old_tclient->s = le32_to_cpu(tclient->s); \
2965                 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2966         } while (0)
2967
2968 #define UPDATE_EXTEND_XSTAT(s, t) \
2969         do { \
2970                 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2971                 old_xclient->s = le32_to_cpu(xclient->s); \
2972                 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2973         } while (0)
2974
2975 /*
2976  * General service functions
2977  */
2978
2979 static inline long bnx2x_hilo(u32 *hiref)
2980 {
2981         u32 lo = *(hiref + 1);
2982 #if (BITS_PER_LONG == 64)
2983         u32 hi = *hiref;
2984
2985         return HILO_U64(hi, lo);
2986 #else
2987         return lo;
2988 #endif
2989 }
2990
2991 /*
2992  * Init service functions
2993  */
2994
2995 static void bnx2x_storm_stats_post(struct bnx2x *bp)
2996 {
2997         if (!bp->stats_pending) {
2998                 struct eth_query_ramrod_data ramrod_data = {0};
2999                 int rc;
3000
3001                 ramrod_data.drv_counter = bp->stats_counter++;
3002                 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3003                 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3004
3005                 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3006                                    ((u32 *)&ramrod_data)[1],
3007                                    ((u32 *)&ramrod_data)[0], 0);
3008                 if (rc == 0) {
3009                         /* stats ramrod has it's own slot on the spq */
3010                         bp->spq_left++;
3011                         bp->stats_pending = 1;
3012                 }
3013         }
3014 }
3015
3016 static void bnx2x_stats_init(struct bnx2x *bp)
3017 {
3018         int port = BP_PORT(bp);
3019
3020         bp->executer_idx = 0;
3021         bp->stats_counter = 0;
3022
3023         /* port stats */
3024         if (!BP_NOMCP(bp))
3025                 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3026         else
3027                 bp->port.port_stx = 0;
3028         DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3029
3030         memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3031         bp->port.old_nig_stats.brb_discard =
3032                         REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
3033         bp->port.old_nig_stats.brb_truncate =
3034                         REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
3035         REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3036                     &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3037         REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3038                     &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3039
3040         /* function stats */
3041         memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3042         memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3043         memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3044         memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3045
3046         bp->stats_state = STATS_STATE_DISABLED;
3047         if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3048                 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3049 }
3050
3051 static void bnx2x_hw_stats_post(struct bnx2x *bp)
3052 {
3053         struct dmae_command *dmae = &bp->stats_dmae;
3054         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3055
3056         *stats_comp = DMAE_COMP_VAL;
3057
3058         /* loader */
3059         if (bp->executer_idx) {
3060                 int loader_idx = PMF_DMAE_C(bp);
3061
3062                 memset(dmae, 0, sizeof(struct dmae_command));
3063
3064                 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3065                                 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3066                                 DMAE_CMD_DST_RESET |
3067 #ifdef __BIG_ENDIAN
3068                                 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3069 #else
3070                                 DMAE_CMD_ENDIANITY_DW_SWAP |
3071 #endif
3072                                 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3073                                                DMAE_CMD_PORT_0) |
3074                                 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3075                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3076                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3077                 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3078                                      sizeof(struct dmae_command) *
3079                                      (loader_idx + 1)) >> 2;
3080                 dmae->dst_addr_hi = 0;
3081                 dmae->len = sizeof(struct dmae_command) >> 2;
3082                 if (CHIP_IS_E1(bp))
3083                         dmae->len--;
3084                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3085                 dmae->comp_addr_hi = 0;
3086                 dmae->comp_val = 1;
3087
3088                 *stats_comp = 0;
3089                 bnx2x_post_dmae(bp, dmae, loader_idx);
3090
3091         } else if (bp->func_stx) {
3092                 *stats_comp = 0;
3093                 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3094         }
3095 }
3096
3097 static int bnx2x_stats_comp(struct bnx2x *bp)
3098 {
3099         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3100         int cnt = 10;
3101
3102         might_sleep();
3103         while (*stats_comp != DMAE_COMP_VAL) {
3104                 if (!cnt) {
3105                         BNX2X_ERR("timeout waiting for stats finished\n");
3106                         break;
3107                 }
3108                 cnt--;
3109                 msleep(1);
3110         }
3111         return 1;
3112 }
3113
3114 /*
3115  * Statistics service functions
3116  */
3117
3118 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3119 {
3120         struct dmae_command *dmae;
3121         u32 opcode;
3122         int loader_idx = PMF_DMAE_C(bp);
3123         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3124
3125         /* sanity */
3126         if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3127                 BNX2X_ERR("BUG!\n");
3128                 return;
3129         }
3130
3131         bp->executer_idx = 0;
3132
3133         opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3134                   DMAE_CMD_C_ENABLE |
3135                   DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3136 #ifdef __BIG_ENDIAN
3137                   DMAE_CMD_ENDIANITY_B_DW_SWAP |
3138 #else
3139                   DMAE_CMD_ENDIANITY_DW_SWAP |
3140 #endif
3141                   (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3142                   (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3143
3144         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3145         dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3146         dmae->src_addr_lo = bp->port.port_stx >> 2;
3147         dmae->src_addr_hi = 0;
3148         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3149         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3150         dmae->len = DMAE_LEN32_RD_MAX;
3151         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3152         dmae->comp_addr_hi = 0;
3153         dmae->comp_val = 1;
3154
3155         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3156         dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3157         dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3158         dmae->src_addr_hi = 0;
3159         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3160                                    DMAE_LEN32_RD_MAX * 4);
3161         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3162                                    DMAE_LEN32_RD_MAX * 4);
3163         dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3164         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3165         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3166         dmae->comp_val = DMAE_COMP_VAL;
3167
3168         *stats_comp = 0;
3169         bnx2x_hw_stats_post(bp);
3170         bnx2x_stats_comp(bp);
3171 }
3172
3173 static void bnx2x_port_stats_init(struct bnx2x *bp)
3174 {
3175         struct dmae_command *dmae;
3176         int port = BP_PORT(bp);
3177         int vn = BP_E1HVN(bp);
3178         u32 opcode;
3179         int loader_idx = PMF_DMAE_C(bp);
3180         u32 mac_addr;
3181         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3182
3183         /* sanity */
3184         if (!bp->link_vars.link_up || !bp->port.pmf) {
3185                 BNX2X_ERR("BUG!\n");
3186                 return;
3187         }
3188
3189         bp->executer_idx = 0;
3190
3191         /* MCP */
3192         opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3193                   DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3194                   DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3195 #ifdef __BIG_ENDIAN
3196                   DMAE_CMD_ENDIANITY_B_DW_SWAP |
3197 #else
3198                   DMAE_CMD_ENDIANITY_DW_SWAP |
3199 #endif
3200                   (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3201                   (vn << DMAE_CMD_E1HVN_SHIFT));
3202
3203         if (bp->port.port_stx) {
3204
3205                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3206                 dmae->opcode = opcode;
3207                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3208                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3209                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3210                 dmae->dst_addr_hi = 0;
3211                 dmae->len = sizeof(struct host_port_stats) >> 2;
3212                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3213                 dmae->comp_addr_hi = 0;
3214                 dmae->comp_val = 1;
3215         }
3216
3217         if (bp->func_stx) {
3218
3219                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3220                 dmae->opcode = opcode;
3221                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3222                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3223                 dmae->dst_addr_lo = bp->func_stx >> 2;
3224                 dmae->dst_addr_hi = 0;
3225                 dmae->len = sizeof(struct host_func_stats) >> 2;
3226                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3227                 dmae->comp_addr_hi = 0;
3228                 dmae->comp_val = 1;
3229         }
3230
3231         /* MAC */
3232         opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3233                   DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3234                   DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3235 #ifdef __BIG_ENDIAN
3236                   DMAE_CMD_ENDIANITY_B_DW_SWAP |
3237 #else
3238                   DMAE_CMD_ENDIANITY_DW_SWAP |
3239 #endif
3240                   (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3241                   (vn << DMAE_CMD_E1HVN_SHIFT));
3242
3243         if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
3244
3245                 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3246                                    NIG_REG_INGRESS_BMAC0_MEM);
3247
3248                 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3249                    BIGMAC_REGISTER_TX_STAT_GTBYT */
3250                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3251                 dmae->opcode = opcode;
3252                 dmae->src_addr_lo = (mac_addr +
3253                                      BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3254                 dmae->src_addr_hi = 0;
3255                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3256                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3257                 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3258                              BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3259                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3260                 dmae->comp_addr_hi = 0;
3261                 dmae->comp_val = 1;
3262
3263                 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3264                    BIGMAC_REGISTER_RX_STAT_GRIPJ */
3265                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3266                 dmae->opcode = opcode;
3267                 dmae->src_addr_lo = (mac_addr +
3268                                      BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3269                 dmae->src_addr_hi = 0;
3270                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3271                                 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3272                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3273                                 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3274                 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3275                              BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3276                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3277                 dmae->comp_addr_hi = 0;
3278                 dmae->comp_val = 1;
3279
3280         } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
3281
3282                 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3283
3284                 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3285                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3286                 dmae->opcode = opcode;
3287                 dmae->src_addr_lo = (mac_addr +
3288                                      EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3289                 dmae->src_addr_hi = 0;
3290                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3291                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3292                 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3293                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3294                 dmae->comp_addr_hi = 0;
3295                 dmae->comp_val = 1;
3296
3297                 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3298                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3299                 dmae->opcode = opcode;
3300                 dmae->src_addr_lo = (mac_addr +
3301                                      EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3302                 dmae->src_addr_hi = 0;
3303                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3304                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3305                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3306                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3307                 dmae->len = 1;
3308                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3309                 dmae->comp_addr_hi = 0;
3310                 dmae->comp_val = 1;
3311
3312                 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3313                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3314                 dmae->opcode = opcode;
3315                 dmae->src_addr_lo = (mac_addr +
3316                                      EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3317                 dmae->src_addr_hi = 0;
3318                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3319                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3320                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3321                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3322                 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3323                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3324                 dmae->comp_addr_hi = 0;
3325                 dmae->comp_val = 1;
3326         }
3327
3328         /* NIG */
3329         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3330         dmae->opcode = opcode;
3331         dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3332                                     NIG_REG_STAT0_BRB_DISCARD) >> 2;
3333         dmae->src_addr_hi = 0;
3334         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3335         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3336         dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3337         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3338         dmae->comp_addr_hi = 0;
3339         dmae->comp_val = 1;
3340
3341         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3342         dmae->opcode = opcode;
3343         dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3344                                     NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3345         dmae->src_addr_hi = 0;
3346         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3347                         offsetof(struct nig_stats, egress_mac_pkt0_lo));
3348         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3349                         offsetof(struct nig_stats, egress_mac_pkt0_lo));
3350         dmae->len = (2*sizeof(u32)) >> 2;
3351         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3352         dmae->comp_addr_hi = 0;
3353         dmae->comp_val = 1;
3354
3355         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3356         dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3357                         DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3358                         DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3359 #ifdef __BIG_ENDIAN
3360                         DMAE_CMD_ENDIANITY_B_DW_SWAP |
3361 #else
3362                         DMAE_CMD_ENDIANITY_DW_SWAP |
3363 #endif
3364                         (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3365                         (vn << DMAE_CMD_E1HVN_SHIFT));
3366         dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3367                                     NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
3368         dmae->src_addr_hi = 0;
3369         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3370                         offsetof(struct nig_stats, egress_mac_pkt1_lo));
3371         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3372                         offsetof(struct nig_stats, egress_mac_pkt1_lo));
3373         dmae->len = (2*sizeof(u32)) >> 2;
3374         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3375         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3376         dmae->comp_val = DMAE_COMP_VAL;
3377
3378         *stats_comp = 0;
3379 }
3380
3381 static void bnx2x_func_stats_init(struct bnx2x *bp)
3382 {
3383         struct dmae_command *dmae = &bp->stats_dmae;
3384         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3385
3386         /* sanity */
3387         if (!bp->func_stx) {
3388                 BNX2X_ERR("BUG!\n");
3389                 return;
3390         }
3391
3392         bp->executer_idx = 0;
3393         memset(dmae, 0, sizeof(struct dmae_command));
3394
3395         dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3396                         DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3397                         DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3398 #ifdef __BIG_ENDIAN
3399                         DMAE_CMD_ENDIANITY_B_DW_SWAP |
3400 #else
3401                         DMAE_CMD_ENDIANITY_DW_SWAP |
3402 #endif
3403                         (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3404                         (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3405         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3406         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3407         dmae->dst_addr_lo = bp->func_stx >> 2;
3408         dmae->dst_addr_hi = 0;
3409         dmae->len = sizeof(struct host_func_stats) >> 2;
3410         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3411         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3412         dmae->comp_val = DMAE_COMP_VAL;
3413
3414         *stats_comp = 0;
3415 }
3416
3417 static void bnx2x_stats_start(struct bnx2x *bp)
3418 {
3419         if (bp->port.pmf)
3420                 bnx2x_port_stats_init(bp);
3421
3422         else if (bp->func_stx)
3423                 bnx2x_func_stats_init(bp);
3424
3425         bnx2x_hw_stats_post(bp);
3426         bnx2x_storm_stats_post(bp);
3427 }
3428
3429 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
3430 {
3431         bnx2x_stats_comp(bp);
3432         bnx2x_stats_pmf_update(bp);
3433         bnx2x_stats_start(bp);
3434 }
3435
3436 static void bnx2x_stats_restart(struct bnx2x *bp)
3437 {
3438         bnx2x_stats_comp(bp);
3439         bnx2x_stats_start(bp);
3440 }
3441
3442 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3443 {
3444         struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3445         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3446         struct regpair diff;
3447
3448         UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3449         UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3450         UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3451         UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3452         UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3453         UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
3454         UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
3455         UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3456         UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3457         UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3458         UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3459         UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3460         UPDATE_STAT64(tx_stat_gt127,
3461                                 tx_stat_etherstatspkts65octetsto127octets);
3462         UPDATE_STAT64(tx_stat_gt255,
3463                                 tx_stat_etherstatspkts128octetsto255octets);
3464         UPDATE_STAT64(tx_stat_gt511,
3465                                 tx_stat_etherstatspkts256octetsto511octets);
3466         UPDATE_STAT64(tx_stat_gt1023,
3467                                 tx_stat_etherstatspkts512octetsto1023octets);
3468         UPDATE_STAT64(tx_stat_gt1518,
3469                                 tx_stat_etherstatspkts1024octetsto1522octets);
3470         UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3471         UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3472         UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3473         UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3474         UPDATE_STAT64(tx_stat_gterr,
3475                                 tx_stat_dot3statsinternalmactransmiterrors);
3476         UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3477 }
3478
3479 static void bnx2x_emac_stats_update(struct bnx2x *bp)
3480 {
3481         struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3482         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3483
3484         UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3485         UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3486         UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3487         UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3488         UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3489         UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3490         UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3491         UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3492         UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3493         UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3494         UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3495         UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3496         UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3497         UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3498         UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3499         UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3500         UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3501         UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3502         UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3503         UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3504         UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3505         UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3506         UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3507         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3508         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3509         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3510         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3511         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3512         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3513         UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3514         UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3515 }
3516
3517 static int bnx2x_hw_stats_update(struct bnx2x *bp)
3518 {
3519         struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3520         struct nig_stats *old = &(bp->port.old_nig_stats);
3521         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3522         struct bnx2x_eth_stats *estats = &bp->eth_stats;
3523         struct regpair diff;
3524
3525         if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3526                 bnx2x_bmac_stats_update(bp);
3527
3528         else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3529                 bnx2x_emac_stats_update(bp);
3530
3531         else { /* unreached */
3532                 BNX2X_ERR("stats updated by dmae but no MAC active\n");
3533                 return -1;
3534         }
3535
3536         ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3537                       new->brb_discard - old->brb_discard);
3538         ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3539                       new->brb_truncate - old->brb_truncate);
3540
3541         UPDATE_STAT64_NIG(egress_mac_pkt0,
3542                                         etherstatspkts1024octetsto1522octets);
3543         UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
3544
3545         memcpy(old, new, sizeof(struct nig_stats));
3546
3547         memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3548                sizeof(struct mac_stx));
3549         estats->brb_drop_hi = pstats->brb_drop_hi;
3550         estats->brb_drop_lo = pstats->brb_drop_lo;
3551
3552         pstats->host_port_stats_start = ++pstats->host_port_stats_end;
3553
3554         return 0;
3555 }
3556
3557 static int bnx2x_storm_stats_update(struct bnx2x *bp)
3558 {
3559         struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3560         int cl_id = BP_CL_ID(bp);
3561         struct tstorm_per_port_stats *tport =
3562                                 &stats->tstorm_common.port_statistics;
3563         struct tstorm_per_client_stats *tclient =
3564                         &stats->tstorm_common.client_statistics[cl_id];
3565         struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3566         struct xstorm_per_client_stats *xclient =
3567                         &stats->xstorm_common.client_statistics[cl_id];
3568         struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3569         struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3570         struct bnx2x_eth_stats *estats = &bp->eth_stats;
3571         u32 diff;
3572
3573         /* are storm stats valid? */
3574         if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3575                                                         bp->stats_counter) {
3576                 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3577                    "  tstorm counter (%d) != stats_counter (%d)\n",
3578                    tclient->stats_counter, bp->stats_counter);
3579                 return -1;
3580         }
3581         if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3582                                                         bp->stats_counter) {
3583                 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3584                    "  xstorm counter (%d) != stats_counter (%d)\n",
3585                    xclient->stats_counter, bp->stats_counter);
3586                 return -2;
3587         }
3588
3589         fstats->total_bytes_received_hi =
3590         fstats->valid_bytes_received_hi =
3591                                 le32_to_cpu(tclient->total_rcv_bytes.hi);
3592         fstats->total_bytes_received_lo =
3593         fstats->valid_bytes_received_lo =
3594                                 le32_to_cpu(tclient->total_rcv_bytes.lo);
3595
3596         estats->error_bytes_received_hi =
3597                                 le32_to_cpu(tclient->rcv_error_bytes.hi);
3598         estats->error_bytes_received_lo =
3599                                 le32_to_cpu(tclient->rcv_error_bytes.lo);
3600         ADD_64(estats->error_bytes_received_hi,
3601                estats->rx_stat_ifhcinbadoctets_hi,
3602                estats->error_bytes_received_lo,
3603                estats->rx_stat_ifhcinbadoctets_lo);
3604
3605         ADD_64(fstats->total_bytes_received_hi,
3606                estats->error_bytes_received_hi,
3607                fstats->total_bytes_received_lo,
3608                estats->error_bytes_received_lo);
3609
3610         UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3611         UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3612                                 total_multicast_packets_received);
3613         UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3614                                 total_broadcast_packets_received);
3615
3616         fstats->total_bytes_transmitted_hi =
3617                                 le32_to_cpu(xclient->total_sent_bytes.hi);
3618         fstats->total_bytes_transmitted_lo =
3619                                 le32_to_cpu(xclient->total_sent_bytes.lo);
3620
3621         UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3622                                 total_unicast_packets_transmitted);
3623         UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3624                                 total_multicast_packets_transmitted);
3625         UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3626                                 total_broadcast_packets_transmitted);
3627
3628         memcpy(estats, &(fstats->total_bytes_received_hi),
3629                sizeof(struct host_func_stats) - 2*sizeof(u32));
3630
3631         estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3632         estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3633         estats->brb_truncate_discard =
3634                                 le32_to_cpu(tport->brb_truncate_discard);
3635         estats->mac_discard = le32_to_cpu(tport->mac_discard);
3636
3637         old_tclient->rcv_unicast_bytes.hi =
3638                                 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3639         old_tclient->rcv_unicast_bytes.lo =
3640                                 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3641         old_tclient->rcv_broadcast_bytes.hi =
3642                                 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3643         old_tclient->rcv_broadcast_bytes.lo =
3644                                 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3645         old_tclient->rcv_multicast_bytes.hi =
3646                                 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3647         old_tclient->rcv_multicast_bytes.lo =
3648                                 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3649         old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3650
3651         old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3652         old_tclient->packets_too_big_discard =
3653                                 le32_to_cpu(tclient->packets_too_big_discard);
3654         estats->no_buff_discard =
3655         old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3656         old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3657
3658         old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3659         old_xclient->unicast_bytes_sent.hi =
3660                                 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3661         old_xclient->unicast_bytes_sent.lo =
3662                                 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3663         old_xclient->multicast_bytes_sent.hi =
3664                                 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3665         old_xclient->multicast_bytes_sent.lo =
3666                                 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3667         old_xclient->broadcast_bytes_sent.hi =
3668                                 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3669         old_xclient->broadcast_bytes_sent.lo =
3670                                 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3671
3672         fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3673
3674         return 0;
3675 }
3676
3677 static void bnx2x_net_stats_update(struct bnx2x *bp)
3678 {
3679         struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3680         struct bnx2x_eth_stats *estats = &bp->eth_stats;
3681         struct net_device_stats *nstats = &bp->dev->stats;
3682
3683         nstats->rx_packets =
3684                 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3685                 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3686                 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3687
3688         nstats->tx_packets =
3689                 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3690                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3691                 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3692
3693         nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
3694
3695         nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
3696
3697         nstats->rx_dropped = old_tclient->checksum_discard +
3698                              estats->mac_discard;
3699         nstats->tx_dropped = 0;
3700
3701         nstats->multicast =
3702                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3703
3704         nstats->collisions =
3705                         estats->tx_stat_dot3statssinglecollisionframes_lo +
3706                         estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3707                         estats->tx_stat_dot3statslatecollisions_lo +
3708                         estats->tx_stat_dot3statsexcessivecollisions_lo;
3709
3710         estats->jabber_packets_received =
3711                                 old_tclient->packets_too_big_discard +
3712                                 estats->rx_stat_dot3statsframestoolong_lo;
3713
3714         nstats->rx_length_errors =
3715                                 estats->rx_stat_etherstatsundersizepkts_lo +
3716                                 estats->jabber_packets_received;
3717         nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
3718         nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3719         nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3720         nstats->rx_fifo_errors = old_tclient->no_buff_discard;
3721         nstats->rx_missed_errors = estats->xxoverflow_discard;
3722
3723         nstats->rx_errors = nstats->rx_length_errors +
3724                             nstats->rx_over_errors +
3725                             nstats->rx_crc_errors +
3726                             nstats->rx_frame_errors +
3727                             nstats->rx_fifo_errors +
3728                             nstats->rx_missed_errors;
3729
3730         nstats->tx_aborted_errors =
3731                         estats->tx_stat_dot3statslatecollisions_lo +
3732                         estats->tx_stat_dot3statsexcessivecollisions_lo;
3733         nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
3734         nstats->tx_fifo_errors = 0;
3735         nstats->tx_heartbeat_errors = 0;
3736         nstats->tx_window_errors = 0;
3737
3738         nstats->tx_errors = nstats->tx_aborted_errors +
3739                             nstats->tx_carrier_errors;
3740 }
3741
3742 static void bnx2x_stats_update(struct bnx2x *bp)
3743 {
3744         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3745         int update = 0;
3746
3747         if (*stats_comp != DMAE_COMP_VAL)
3748                 return;
3749
3750         if (bp->port.pmf)
3751                 update = (bnx2x_hw_stats_update(bp) == 0);
3752
3753         update |= (bnx2x_storm_stats_update(bp) == 0);
3754
3755         if (update)
3756                 bnx2x_net_stats_update(bp);
3757
3758         else {
3759                 if (bp->stats_pending) {
3760                         bp->stats_pending++;
3761                         if (bp->stats_pending == 3) {
3762                                 BNX2X_ERR("stats not updated for 3 times\n");
3763                                 bnx2x_panic();
3764                                 return;
3765                         }
3766                 }
3767         }
3768
3769         if (bp->msglevel & NETIF_MSG_TIMER) {
3770                 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3771                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3772                 struct net_device_stats *nstats = &bp->dev->stats;
3773                 int i;
3774
3775                 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3776                 printk(KERN_DEBUG "  tx avail (%4x)  tx hc idx (%x)"
3777                                   "  tx pkt (%lx)\n",
3778                        bnx2x_tx_avail(bp->fp),
3779                        le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
3780                 printk(KERN_DEBUG "  rx usage (%4x)  rx hc idx (%x)"
3781                                   "  rx pkt (%lx)\n",
3782                        (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3783                              bp->fp->rx_comp_cons),
3784                        le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
3785                 printk(KERN_DEBUG "  %s (Xoff events %u)  brb drops %u\n",
3786                        netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
3787                        estats->driver_xoff, estats->brb_drop_lo);
3788                 printk(KERN_DEBUG "tstats: checksum_discard %u  "
3789                         "packets_too_big_discard %u  no_buff_discard %u  "
3790                         "mac_discard %u  mac_filter_discard %u  "
3791                         "xxovrflow_discard %u  brb_truncate_discard %u  "
3792                         "ttl0_discard %u\n",
3793                        old_tclient->checksum_discard,
3794                        old_tclient->packets_too_big_discard,
3795                        old_tclient->no_buff_discard, estats->mac_discard,
3796                        estats->mac_filter_discard, estats->xxoverflow_discard,
3797                        estats->brb_truncate_discard,
3798                        old_tclient->ttl0_discard);
3799
3800                 for_each_queue(bp, i) {
3801                         printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3802                                bnx2x_fp(bp, i, tx_pkt),
3803                                bnx2x_fp(bp, i, rx_pkt),
3804                                bnx2x_fp(bp, i, rx_calls));
3805                 }
3806         }
3807
3808         bnx2x_hw_stats_post(bp);
3809         bnx2x_storm_stats_post(bp);
3810 }
3811
3812 static void bnx2x_port_stats_stop(struct bnx2x *bp)
3813 {
3814         struct dmae_command *dmae;
3815         u32 opcode;
3816         int loader_idx = PMF_DMAE_C(bp);
3817         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3818
3819         bp->executer_idx = 0;
3820
3821         opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3822                   DMAE_CMD_C_ENABLE |
3823                   DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3824 #ifdef __BIG_ENDIAN
3825                   DMAE_CMD_ENDIANITY_B_DW_SWAP |
3826 #else
3827                   DMAE_CMD_ENDIANITY_DW_SWAP |
3828 #endif
3829                   (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3830                   (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3831
3832         if (bp->port.port_stx) {
3833
3834                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3835                 if (bp->func_stx)
3836                         dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3837                 else
3838                         dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3839                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3840                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3841                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3842                 dmae->dst_addr_hi = 0;
3843                 dmae->len = sizeof(struct host_port_stats) >> 2;
3844                 if (bp->func_stx) {
3845                         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3846                         dmae->comp_addr_hi = 0;
3847                         dmae->comp_val = 1;
3848                 } else {
3849                         dmae->comp_addr_lo =
3850                                 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3851                         dmae->comp_addr_hi =
3852                                 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3853                         dmae->comp_val = DMAE_COMP_VAL;
3854
3855                         *stats_comp = 0;
3856                 }
3857         }
3858
3859         if (bp->func_stx) {
3860
3861                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3862                 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3863                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3864                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3865                 dmae->dst_addr_lo = bp->func_stx >> 2;
3866                 dmae->dst_addr_hi = 0;
3867                 dmae->len = sizeof(struct host_func_stats) >> 2;
3868                 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3869                 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3870                 dmae->comp_val = DMAE_COMP_VAL;
3871
3872                 *stats_comp = 0;
3873         }
3874 }
3875
3876 static void bnx2x_stats_stop(struct bnx2x *bp)
3877 {
3878         int update = 0;
3879
3880         bnx2x_stats_comp(bp);
3881
3882         if (bp->port.pmf)
3883                 update = (bnx2x_hw_stats_update(bp) == 0);
3884
3885         update |= (bnx2x_storm_stats_update(bp) == 0);
3886
3887         if (update) {
3888                 bnx2x_net_stats_update(bp);
3889
3890                 if (bp->port.pmf)
3891                         bnx2x_port_stats_stop(bp);
3892
3893                 bnx2x_hw_stats_post(bp);
3894                 bnx2x_stats_comp(bp);
3895         }
3896 }
3897
3898 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3899 {
3900 }
3901
3902 static const struct {
3903         void (*action)(struct bnx2x *bp);
3904         enum bnx2x_stats_state next_state;
3905 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3906 /* state        event   */
3907 {
3908 /* DISABLED     PMF     */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3909 /*              LINK_UP */ {bnx2x_stats_start,      STATS_STATE_ENABLED},
3910 /*              UPDATE  */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3911 /*              STOP    */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3912 },
3913 {
3914 /* ENABLED      PMF     */ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
3915 /*              LINK_UP */ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
3916 /*              UPDATE  */ {bnx2x_stats_update,     STATS_STATE_ENABLED},
3917 /*              STOP    */ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
3918 }
3919 };
3920
3921 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3922 {
3923         enum bnx2x_stats_state state = bp->stats_state;
3924
3925         bnx2x_stats_stm[state][event].action(bp);
3926         bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3927
3928         if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3929                 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3930                    state, event, bp->stats_state);
3931 }
3932
3933 static void bnx2x_timer(unsigned long data)
3934 {
3935         struct bnx2x *bp = (struct bnx2x *) data;
3936
3937         if (!netif_running(bp->dev))
3938                 return;
3939
3940         if (atomic_read(&bp->intr_sem) != 0)
3941                 goto timer_restart;
3942
3943         if (poll) {
3944                 struct bnx2x_fastpath *fp = &bp->fp[0];
3945                 int rc;
3946
3947                 bnx2x_tx_int(fp, 1000);
3948                 rc = bnx2x_rx_int(fp, 1000);
3949         }
3950
3951         if (!BP_NOMCP(bp)) {
3952                 int func = BP_FUNC(bp);
3953                 u32 drv_pulse;
3954                 u32 mcp_pulse;
3955
3956                 ++bp->fw_drv_pulse_wr_seq;
3957                 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3958                 /* TBD - add SYSTEM_TIME */
3959                 drv_pulse = bp->fw_drv_pulse_wr_seq;
3960                 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
3961
3962                 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
3963                              MCP_PULSE_SEQ_MASK);
3964                 /* The delta between driver pulse and mcp response
3965                  * should be 1 (before mcp response) or 0 (after mcp response)
3966                  */
3967                 if ((drv_pulse != mcp_pulse) &&
3968                     (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3969                         /* someone lost a heartbeat... */
3970                         BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3971                                   drv_pulse, mcp_pulse);
3972                 }
3973         }
3974
3975         if ((bp->state == BNX2X_STATE_OPEN) ||
3976             (bp->state == BNX2X_STATE_DISABLED))
3977                 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
3978
3979 timer_restart:
3980         mod_timer(&bp->timer, jiffies + bp->current_interval);
3981 }
3982
3983 /* end of Statistics */
3984
3985 /* nic init */
3986
3987 /*
3988  * nic init service functions
3989  */
3990
3991 static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
3992 {
3993         int port = BP_PORT(bp);
3994
3995         bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
3996                         USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3997                         sizeof(struct ustorm_status_block)/4);
3998         bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
3999                         CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
4000                         sizeof(struct cstorm_status_block)/4);
4001 }
4002
4003 static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4004                           dma_addr_t mapping, int sb_id)
4005 {
4006         int port = BP_PORT(bp);
4007         int func = BP_FUNC(bp);
4008         int index;
4009         u64 section;
4010
4011         /* USTORM */
4012         section = ((u64)mapping) + offsetof(struct host_status_block,
4013                                             u_status_block);
4014         sb->u_status_block.status_block_id = sb_id;
4015
4016         REG_WR(bp, BAR_USTRORM_INTMEM +
4017                USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4018         REG_WR(bp, BAR_USTRORM_INTMEM +
4019                ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4020                U64_HI(section));
4021         REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4022                 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4023
4024         for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4025                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4026                          USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4027
4028         /* CSTORM */
4029         section = ((u64)mapping) + offsetof(struct host_status_block,
4030                                             c_status_block);
4031         sb->c_status_block.status_block_id = sb_id;
4032
4033         REG_WR(bp, BAR_CSTRORM_INTMEM +
4034                CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4035         REG_WR(bp, BAR_CSTRORM_INTMEM +
4036                ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4037                U64_HI(section));
4038         REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4039                 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4040
4041         for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4042                 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4043                          CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4044
4045         bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4046 }
4047
4048 static void bnx2x_zero_def_sb(struct bnx2x *bp)
4049 {
4050         int func = BP_FUNC(bp);
4051
4052         bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4053                         USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4054                         sizeof(struct ustorm_def_status_block)/4);
4055         bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4056                         CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4057                         sizeof(struct cstorm_def_status_block)/4);
4058         bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4059                         XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4060                         sizeof(struct xstorm_def_status_block)/4);
4061         bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4062                         TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4063                         sizeof(struct tstorm_def_status_block)/4);
4064 }
4065
4066 static void bnx2x_init_def_sb(struct bnx2x *bp,
4067                               struct host_def_status_block *def_sb,
4068                               dma_addr_t mapping, int sb_id)
4069 {
4070         int port = BP_PORT(bp);
4071         int func = BP_FUNC(bp);
4072         int index, val, reg_offset;
4073         u64 section;
4074
4075         /* ATTN */
4076         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4077                                             atten_status_block);
4078         def_sb->atten_status_block.status_block_id = sb_id;
4079
4080         bp->attn_state = 0;
4081
4082         reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4083                              MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4084
4085         for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4086                 bp->attn_group[index].sig[0] = REG_RD(bp,
4087                                                      reg_offset + 0x10*index);
4088                 bp->attn_group[index].sig[1] = REG_RD(bp,
4089                                                reg_offset + 0x4 + 0x10*index);
4090                 bp->attn_group[index].sig[2] = REG_RD(bp,
4091                                                reg_offset + 0x8 + 0x10*index);
4092                 bp->attn_group[index].sig[3] = REG_RD(bp,
4093                                                reg_offset + 0xc + 0x10*index);
4094         }
4095
4096         reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4097                              HC_REG_ATTN_MSG0_ADDR_L);
4098
4099         REG_WR(bp, reg_offset, U64_LO(section));
4100         REG_WR(bp, reg_offset + 4, U64_HI(section));
4101
4102         reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4103
4104         val = REG_RD(bp, reg_offset);
4105         val |= sb_id;
4106         REG_WR(bp, reg_offset, val);
4107
4108         /* USTORM */
4109         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4110                                             u_def_status_block);
4111         def_sb->u_def_status_block.status_block_id = sb_id;
4112
4113         REG_WR(bp, BAR_USTRORM_INTMEM +
4114                USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4115         REG_WR(bp, BAR_USTRORM_INTMEM +
4116                ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4117                U64_HI(section));
4118         REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4119                 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4120
4121         for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4122                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4123                          USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4124
4125         /* CSTORM */
4126         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4127                                             c_def_status_block);
4128         def_sb->c_def_status_block.status_block_id = sb_id;
4129
4130         REG_WR(bp, BAR_CSTRORM_INTMEM +
4131                CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4132         REG_WR(bp, BAR_CSTRORM_INTMEM +
4133                ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4134                U64_HI(section));
4135         REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4136                 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4137
4138         for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4139                 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4140                          CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4141
4142         /* TSTORM */
4143         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4144                                             t_def_status_block);
4145         def_sb->t_def_status_block.status_block_id = sb_id;
4146
4147         REG_WR(bp, BAR_TSTRORM_INTMEM +
4148                TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4149         REG_WR(bp, BAR_TSTRORM_INTMEM +
4150                ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4151                U64_HI(section));
4152         REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4153                 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4154
4155         for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4156                 REG_WR16(bp, BAR_TSTRORM_INTMEM +
4157                          TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4158
4159         /* XSTORM */
4160         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4161                                             x_def_status_block);
4162         def_sb->x_def_status_block.status_block_id = sb_id;
4163
4164         REG_WR(bp, BAR_XSTRORM_INTMEM +
4165                XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4166         REG_WR(bp, BAR_XSTRORM_INTMEM +
4167                ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4168                U64_HI(section));
4169         REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4170                 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4171
4172         for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4173                 REG_WR16(bp, BAR_XSTRORM_INTMEM +
4174                          XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4175
4176         bp->stats_pending = 0;
4177         bp->set_mac_pending = 0;
4178
4179         bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4180 }
4181
4182 static void bnx2x_update_coalesce(struct bnx2x *bp)
4183 {
4184         int port = BP_PORT(bp);
4185         int i;
4186
4187         for_each_queue(bp, i) {
4188                 int sb_id = bp->fp[i].sb_id;
4189
4190                 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4191                 REG_WR8(bp, BAR_USTRORM_INTMEM +
4192                         USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4193                                                     U_SB_ETH_RX_CQ_INDEX),
4194                         bp->rx_ticks/12);
4195                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4196                          USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4197                                                      U_SB_ETH_RX_CQ_INDEX),
4198                          bp->rx_ticks ? 0 : 1);
4199                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4200                          USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4201                                                      U_SB_ETH_RX_BD_INDEX),
4202                          bp->rx_ticks ? 0 : 1);
4203
4204                 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4205                 REG_WR8(bp, BAR_CSTRORM_INTMEM +
4206                         CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4207                                                     C_SB_ETH_TX_CQ_INDEX),
4208                         bp->tx_ticks/12);
4209                 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4210                          CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4211                                                      C_SB_ETH_TX_CQ_INDEX),
4212                          bp->tx_ticks ? 0 : 1);
4213         }
4214 }
4215
4216 static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4217                                        struct bnx2x_fastpath *fp, int last)
4218 {
4219         int i;
4220
4221         for (i = 0; i < last; i++) {
4222                 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4223                 struct sk_buff *skb = rx_buf->skb;
4224
4225                 if (skb == NULL) {
4226                         DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4227                         continue;
4228                 }
4229
4230                 if (fp->tpa_state[i] == BNX2X_TPA_START)
4231                         pci_unmap_single(bp->pdev,
4232                                          pci_unmap_addr(rx_buf, mapping),
4233                                          bp->rx_buf_size,
4234                                          PCI_DMA_FROMDEVICE);
4235
4236                 dev_kfree_skb(skb);
4237                 rx_buf->skb = NULL;
4238         }
4239 }
4240
4241 static void bnx2x_init_rx_rings(struct bnx2x *bp)
4242 {
4243         int func = BP_FUNC(bp);
4244         int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4245                                               ETH_MAX_AGGREGATION_QUEUES_E1H;
4246         u16 ring_prod, cqe_ring_prod;
4247         int i, j;
4248
4249         bp->rx_buf_size = bp->dev->mtu;
4250         bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
4251                 BCM_RX_ETH_PAYLOAD_ALIGN;
4252
4253         if (bp->flags & TPA_ENABLE_FLAG) {
4254                 DP(NETIF_MSG_IFUP,
4255                    "rx_buf_size %d  effective_mtu %d\n",
4256                    bp->rx_buf_size, 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 =
4466                         BCM_RX_ETH_PAYLOAD_ALIGN;
4467                 context->ustorm_st_context.common.bd_buff_size =
4468                                                 bp->rx_buf_size;
4469                 context->ustorm_st_context.common.bd_page_base_hi =
4470                                                 U64_HI(fp->rx_desc_mapping);
4471                 context->ustorm_st_context.common.bd_page_base_lo =
4472                                                 U64_LO(fp->rx_desc_mapping);
4473                 if (!fp->disable_tpa) {
4474                         context->ustorm_st_context.common.flags |=
4475                                 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4476                                  USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4477                         context->ustorm_st_context.common.sge_buff_size =
4478                                         (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4479                         context->ustorm_st_context.common.sge_page_base_hi =
4480                                                 U64_HI(fp->rx_sge_mapping);
4481                         context->ustorm_st_context.common.sge_page_base_lo =
4482                                                 U64_LO(fp->rx_sge_mapping);
4483                 }
4484
4485                 context->cstorm_st_context.sb_index_number =
4486                                                 C_SB_ETH_TX_CQ_INDEX;
4487                 context->cstorm_st_context.status_block_id = sb_id;
4488
4489                 context->xstorm_ag_context.cdu_reserved =
4490                         CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4491                                                CDU_REGION_NUMBER_XCM_AG,
4492                                                ETH_CONNECTION_TYPE);
4493                 context->ustorm_ag_context.cdu_usage =
4494                         CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4495                                                CDU_REGION_NUMBER_UCM_AG,
4496                                                ETH_CONNECTION_TYPE);
4497         }
4498 }
4499
4500 static void bnx2x_init_ind_table(struct bnx2x *bp)
4501 {
4502         int port = BP_PORT(bp);
4503         int i;
4504
4505         if (!is_multi(bp))
4506                 return;
4507
4508         DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
4509         for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4510                 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4511                         TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
4512                         i % bp->num_queues);
4513
4514         REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4515 }
4516
4517 static void bnx2x_set_client_config(struct bnx2x *bp)
4518 {
4519         struct tstorm_eth_client_config tstorm_client = {0};
4520         int port = BP_PORT(bp);
4521         int i;
4522
4523         tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
4524         tstorm_client.statistics_counter_id = BP_CL_ID(bp);
4525         tstorm_client.config_flags =
4526                                 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4527 #ifdef BCM_VLAN
4528         if (bp->rx_mode && bp->vlgrp) {
4529                 tstorm_client.config_flags |=
4530                                 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4531                 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4532         }
4533 #endif
4534
4535         if (bp->flags & TPA_ENABLE_FLAG) {
4536                 tstorm_client.max_sges_for_packet =
4537                         BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4538                 tstorm_client.max_sges_for_packet =
4539                         ((tstorm_client.max_sges_for_packet +
4540                           PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4541                         PAGES_PER_SGE_SHIFT;
4542
4543                 tstorm_client.config_flags |=
4544                                 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4545         }
4546
4547         for_each_queue(bp, i) {
4548                 REG_WR(bp, BAR_TSTRORM_INTMEM +
4549                        TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
4550                        ((u32 *)&tstorm_client)[0]);
4551                 REG_WR(bp, BAR_TSTRORM_INTMEM +
4552                        TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
4553                        ((u32 *)&tstorm_client)[1]);
4554         }
4555
4556         DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4557            ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
4558 }
4559
4560 static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4561 {
4562         struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
4563         int mode = bp->rx_mode;
4564         int mask = (1 << BP_L_ID(bp));
4565         int func = BP_FUNC(bp);
4566         int i;
4567
4568         DP(NETIF_MSG_IFUP, "rx mode %d  mask 0x%x\n", mode, mask);
4569
4570         switch (mode) {
4571         case BNX2X_RX_MODE_NONE: /* no Rx */
4572                 tstorm_mac_filter.ucast_drop_all = mask;
4573                 tstorm_mac_filter.mcast_drop_all = mask;
4574                 tstorm_mac_filter.bcast_drop_all = mask;
4575                 break;
4576         case BNX2X_RX_MODE_NORMAL:
4577                 tstorm_mac_filter.bcast_accept_all = mask;
4578                 break;
4579         case BNX2X_RX_MODE_ALLMULTI:
4580                 tstorm_mac_filter.mcast_accept_all = mask;
4581                 tstorm_mac_filter.bcast_accept_all = mask;
4582                 break;
4583         case BNX2X_RX_MODE_PROMISC:
4584                 tstorm_mac_filter.ucast_accept_all = mask;
4585                 tstorm_mac_filter.mcast_accept_all = mask;
4586                 tstorm_mac_filter.bcast_accept_all = mask;
4587                 break;
4588         default:
4589                 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4590                 break;
4591         }
4592
4593         for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4594                 REG_WR(bp, BAR_TSTRORM_INTMEM +
4595                        TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
4596                        ((u32 *)&tstorm_mac_filter)[i]);
4597
4598 /*              DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
4599                    ((u32 *)&tstorm_mac_filter)[i]); */
4600         }
4601
4602         if (mode != BNX2X_RX_MODE_NONE)
4603                 bnx2x_set_client_config(bp);
4604 }
4605
4606 static void bnx2x_init_internal_common(struct bnx2x *bp)
4607 {
4608         int i;
4609
4610         if (bp->flags & TPA_ENABLE_FLAG) {
4611                 struct tstorm_eth_tpa_exist tpa = {0};
4612
4613                 tpa.tpa_exist = 1;
4614
4615                 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
4616                        ((u32 *)&tpa)[0]);
4617                 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
4618                        ((u32 *)&tpa)[1]);
4619         }
4620
4621         /* Zero this manually as its initialization is
4622            currently missing in the initTool */
4623         for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4624                 REG_WR(bp, BAR_USTRORM_INTMEM +
4625                        USTORM_AGG_DATA_OFFSET + i * 4, 0);
4626 }
4627
4628 static void bnx2x_init_internal_port(struct bnx2x *bp)
4629 {
4630         int port = BP_PORT(bp);
4631
4632         REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4633         REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4634         REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4635         REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4636 }
4637
4638 static void bnx2x_init_internal_func(struct bnx2x *bp)
4639 {
4640         struct tstorm_eth_function_common_config tstorm_config = {0};
4641         struct stats_indication_flags stats_flags = {0};
4642         int port = BP_PORT(bp);
4643         int func = BP_FUNC(bp);
4644         int i;
4645         u16 max_agg_size;
4646
4647         if (is_multi(bp)) {
4648                 tstorm_config.config_flags = MULTI_FLAGS;
4649                 tstorm_config.rss_result_mask = MULTI_MASK;
4650         }
4651
4652         tstorm_config.leading_client_id = BP_L_ID(bp);
4653
4654         REG_WR(bp, BAR_TSTRORM_INTMEM +
4655                TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
4656                (*(u32 *)&tstorm_config));
4657
4658         bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
4659         bnx2x_set_storm_rx_mode(bp);
4660
4661         /* reset xstorm per client statistics */
4662         for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4663                 REG_WR(bp, BAR_XSTRORM_INTMEM +
4664                        XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4665                        i*4, 0);
4666         }
4667         /* reset tstorm per client statistics */
4668         for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4669                 REG_WR(bp, BAR_TSTRORM_INTMEM +
4670                        TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4671                        i*4, 0);
4672         }
4673
4674         /* Init statistics related context */
4675         stats_flags.collect_eth = 1;
4676
4677         REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
4678                ((u32 *)&stats_flags)[0]);
4679         REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
4680                ((u32 *)&stats_flags)[1]);
4681
4682         REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
4683                ((u32 *)&stats_flags)[0]);
4684         REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
4685                ((u32 *)&stats_flags)[1]);
4686
4687         REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
4688                ((u32 *)&stats_flags)[0]);
4689         REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
4690                ((u32 *)&stats_flags)[1]);
4691
4692         REG_WR(bp, BAR_XSTRORM_INTMEM +
4693                XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4694                U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4695         REG_WR(bp, BAR_XSTRORM_INTMEM +
4696                XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4697                U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4698
4699         REG_WR(bp, BAR_TSTRORM_INTMEM +
4700                TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4701                U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4702         REG_WR(bp, BAR_TSTRORM_INTMEM +
4703                TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4704                U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4705
4706         if (CHIP_IS_E1H(bp)) {
4707                 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4708                         IS_E1HMF(bp));
4709                 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4710                         IS_E1HMF(bp));
4711                 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4712                         IS_E1HMF(bp));
4713                 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4714                         IS_E1HMF(bp));
4715
4716                 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4717                          bp->e1hov);
4718         }
4719
4720         /* Init CQ ring mapping and aggregation size */
4721         max_agg_size = min((u32)(bp->rx_buf_size +
4722                                  8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4723                            (u32)0xffff);
4724         for_each_queue(bp, i) {
4725                 struct bnx2x_fastpath *fp = &bp->fp[i];
4726
4727                 REG_WR(bp, BAR_USTRORM_INTMEM +
4728                        USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4729                        U64_LO(fp->rx_comp_mapping));
4730                 REG_WR(bp, BAR_USTRORM_INTMEM +
4731                        USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4732                        U64_HI(fp->rx_comp_mapping));
4733
4734                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4735                          USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4736                          max_agg_size);
4737         }
4738 }
4739
4740 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4741 {
4742         switch (load_code) {
4743         case FW_MSG_CODE_DRV_LOAD_COMMON:
4744                 bnx2x_init_internal_common(bp);
4745                 /* no break */
4746
4747         case FW_MSG_CODE_DRV_LOAD_PORT:
4748                 bnx2x_init_internal_port(bp);
4749                 /* no break */
4750
4751         case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4752                 bnx2x_init_internal_func(bp);
4753                 break;
4754
4755         default:
4756                 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4757                 break;
4758         }
4759 }
4760
4761 static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
4762 {
4763         int i;
4764
4765         for_each_queue(bp, i) {
4766                 struct bnx2x_fastpath *fp = &bp->fp[i];
4767
4768                 fp->bp = bp;
4769                 fp->state = BNX2X_FP_STATE_CLOSED;
4770                 fp->index = i;
4771                 fp->cl_id = BP_L_ID(bp) + i;
4772                 fp->sb_id = fp->cl_id;
4773                 DP(NETIF_MSG_IFUP,
4774                    "bnx2x_init_sb(%p,%p) index %d  cl_id %d  sb %d\n",
4775                    bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
4776                 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4777                               FP_SB_ID(fp));
4778                 bnx2x_update_fpsb_idx(fp);
4779         }
4780
4781         bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4782                           DEF_SB_ID);
4783         bnx2x_update_dsb_idx(bp);
4784         bnx2x_update_coalesce(bp);
4785         bnx2x_init_rx_rings(bp);
4786         bnx2x_init_tx_ring(bp);
4787         bnx2x_init_sp_ring(bp);
4788         bnx2x_init_context(bp);
4789         bnx2x_init_internal(bp, load_code);
4790         bnx2x_init_ind_table(bp);
4791         bnx2x_int_enable(bp);
4792 }
4793
4794 /* end of nic init */
4795
4796 /*
4797  * gzip service functions
4798  */
4799
4800 static int bnx2x_gunzip_init(struct bnx2x *bp)
4801 {
4802         bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4803                                               &bp->gunzip_mapping);
4804         if (bp->gunzip_buf  == NULL)
4805                 goto gunzip_nomem1;
4806
4807         bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4808         if (bp->strm  == NULL)
4809                 goto gunzip_nomem2;
4810
4811         bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4812                                       GFP_KERNEL);
4813         if (bp->strm->workspace == NULL)
4814                 goto gunzip_nomem3;
4815
4816         return 0;
4817
4818 gunzip_nomem3:
4819         kfree(bp->strm);
4820         bp->strm = NULL;
4821
4822 gunzip_nomem2:
4823         pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4824                             bp->gunzip_mapping);
4825         bp->gunzip_buf = NULL;
4826
4827 gunzip_nomem1:
4828         printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
4829                " un-compression\n", bp->dev->name);
4830         return -ENOMEM;
4831 }
4832
4833 static void bnx2x_gunzip_end(struct bnx2x *bp)
4834 {
4835         kfree(bp->strm->workspace);
4836
4837         kfree(bp->strm);
4838         bp->strm = NULL;
4839
4840         if (bp->gunzip_buf) {
4841                 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4842                                     bp->gunzip_mapping);
4843                 bp->gunzip_buf = NULL;
4844         }
4845 }
4846
4847 static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4848 {
4849         int n, rc;
4850
4851         /* check gzip header */
4852         if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4853                 return -EINVAL;
4854
4855         n = 10;
4856
4857 #define FNAME                           0x8
4858
4859         if (zbuf[3] & FNAME)
4860                 while ((zbuf[n++] != 0) && (n < len));
4861
4862         bp->strm->next_in = zbuf + n;
4863         bp->strm->avail_in = len - n;
4864         bp->strm->next_out = bp->gunzip_buf;
4865         bp->strm->avail_out = FW_BUF_SIZE;
4866
4867         rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4868         if (rc != Z_OK)
4869                 return rc;
4870
4871         rc = zlib_inflate(bp->strm, Z_FINISH);
4872         if ((rc != Z_OK) && (rc != Z_STREAM_END))
4873                 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4874                        bp->dev->name, bp->strm->msg);
4875
4876         bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4877         if (bp->gunzip_outlen & 0x3)
4878                 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4879                                     " gunzip_outlen (%d) not aligned\n",
4880                        bp->dev->name, bp->gunzip_outlen);
4881         bp->gunzip_outlen >>= 2;
4882
4883         zlib_inflateEnd(bp->strm);
4884
4885         if (rc == Z_STREAM_END)
4886                 return 0;
4887
4888         return rc;
4889 }
4890
4891 /* nic load/unload */
4892
4893 /*
4894  * General service functions
4895  */
4896
4897 /* send a NIG loopback debug packet */
4898 static void bnx2x_lb_pckt(struct bnx2x *bp)
4899 {
4900         u32 wb_write[3];
4901
4902         /* Ethernet source and destination addresses */
4903         wb_write[0] = 0x55555555;
4904         wb_write[1] = 0x55555555;
4905         wb_write[2] = 0x20;             /* SOP */
4906         REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4907
4908         /* NON-IP protocol */
4909         wb_write[0] = 0x09000000;
4910         wb_write[1] = 0x55555555;
4911         wb_write[2] = 0x10;             /* EOP, eop_bvalid = 0 */
4912         REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4913 }
4914
4915 /* some of the internal memories
4916  * are not directly readable from the driver
4917  * to test them we send debug packets
4918  */
4919 static int bnx2x_int_mem_test(struct bnx2x *bp)
4920 {
4921         int factor;
4922         int count, i;
4923         u32 val = 0;
4924
4925         if (CHIP_REV_IS_FPGA(bp))
4926                 factor = 120;
4927         else if (CHIP_REV_IS_EMUL(bp))
4928                 factor = 200;
4929         else
4930                 factor = 1;
4931
4932         DP(NETIF_MSG_HW, "start part1\n");
4933
4934         /* Disable inputs of parser neighbor blocks */
4935         REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4936         REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4937         REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4938         REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4939
4940         /*  Write 0 to parser credits for CFC search request */
4941         REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4942
4943         /* send Ethernet packet */
4944         bnx2x_lb_pckt(bp);
4945
4946         /* TODO do i reset NIG statistic? */
4947         /* Wait until NIG register shows 1 packet of size 0x10 */
4948         count = 1000 * factor;
4949         while (count) {
4950
4951                 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4952                 val = *bnx2x_sp(bp, wb_data[0]);
4953                 if (val == 0x10)
4954                         break;
4955
4956                 msleep(10);
4957                 count--;
4958         }
4959         if (val != 0x10) {
4960                 BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
4961                 return -1;
4962         }
4963
4964         /* Wait until PRS register shows 1 packet */
4965         count = 1000 * factor;
4966         while (count) {
4967                 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4968                 if (val == 1)
4969                         break;
4970
4971                 msleep(10);
4972                 count--;
4973         }
4974         if (val != 0x1) {
4975                 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4976                 return -2;
4977         }
4978
4979         /* Reset and init BRB, PRS */
4980         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4981         msleep(50);
4982         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4983         msleep(50);
4984         bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4985         bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4986
4987         DP(NETIF_MSG_HW, "part2\n");
4988
4989         /* Disable inputs of parser neighbor blocks */
4990         REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4991         REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4992         REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4993         REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4994
4995         /* Write 0 to parser credits for CFC search request */
4996         REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4997
4998         /* send 10 Ethernet packets */
4999         for (i = 0; i < 10; i++)
5000                 bnx2x_lb_pckt(bp);
5001
5002         /* Wait until NIG register shows 10 + 1
5003            packets of size 11*0x10 = 0xb0 */
5004         count = 1000 * factor;
5005         while (count) {
5006
5007                 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5008                 val = *bnx2x_sp(bp, wb_data[0]);
5009                 if (val == 0xb0)
5010                         break;
5011
5012                 msleep(10);
5013                 count--;
5014         }
5015         if (val != 0xb0) {
5016                 BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
5017                 return -3;
5018         }
5019
5020         /* Wait until PRS register shows 2 packets */
5021         val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5022         if (val != 2)
5023                 BNX2X_ERR("PRS timeout  val = 0x%x\n", val);
5024
5025         /* Write 1 to parser credits for CFC search request */
5026         REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5027
5028         /* Wait until PRS register shows 3 packets */
5029         msleep(10 * factor);
5030         /* Wait until NIG register shows 1 packet of size 0x10 */
5031         val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5032         if (val != 3)
5033                 BNX2X_ERR("PRS timeout  val = 0x%x\n", val);
5034
5035         /* clear NIG EOP FIFO */
5036         for (i = 0; i < 11; i++)
5037                 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5038         val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5039         if (val != 1) {
5040                 BNX2X_ERR("clear of NIG failed\n");
5041                 return -4;
5042         }
5043
5044         /* Reset and init BRB, PRS, NIG */
5045         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5046         msleep(50);
5047         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5048         msleep(50);
5049         bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5050         bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5051 #ifndef BCM_ISCSI
5052         /* set NIC mode */
5053         REG_WR(bp, PRS_REG_NIC_MODE, 1);
5054 #endif
5055
5056         /* Enable inputs of parser neighbor blocks */
5057         REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5058         REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5059         REG_WR(bp, CFC_REG_DEBUG0, 0x0);
5060         REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
5061
5062         DP(NETIF_MSG_HW, "done\n");
5063
5064         return 0; /* OK */
5065 }
5066
5067 static void enable_blocks_attention(struct bnx2x *bp)
5068 {
5069         REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5070         REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5071         REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5072         REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5073         REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5074         REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5075         REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5076         REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5077         REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
5078 /*      REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5079 /*      REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
5080         REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5081         REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5082         REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
5083 /*      REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5084 /*      REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
5085         REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5086         REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5087         REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5088         REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
5089 /*      REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5090 /*      REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5091         if (CHIP_REV_IS_FPGA(bp))
5092                 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5093         else
5094                 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
5095         REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5096         REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5097         REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
5098 /*      REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5099 /*      REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
5100         REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5101         REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
5102 /*      REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5103         REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18);         /* bit 3,4 masked */
5104 }
5105
5106
5107 static int bnx2x_init_common(struct bnx2x *bp)
5108 {
5109         u32 val, i;
5110
5111         DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_FUNC(bp));
5112
5113         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5114         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5115
5116         bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5117         if (CHIP_IS_E1H(bp))
5118                 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5119
5120         REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5121         msleep(30);
5122         REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5123
5124         bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5125         if (CHIP_IS_E1(bp)) {
5126                 /* enable HW interrupt from PXP on USDM overflow
5127                    bit 16 on INT_MASK_0 */
5128                 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5129         }
5130
5131         bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5132         bnx2x_init_pxp(bp);
5133
5134 #ifdef __BIG_ENDIAN
5135         REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5136         REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5137         REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5138         REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5139         REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5140         REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
5141
5142 /*      REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5143         REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5144         REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5145         REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5146         REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
5147 #endif
5148
5149         REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
5150 #ifdef BCM_ISCSI
5151         REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5152         REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5153         REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
5154 #endif
5155
5156         if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5157                 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
5158
5159         /* let the HW do it's magic ... */
5160         msleep(100);
5161         /* finish PXP init */
5162         val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5163         if (val != 1) {
5164                 BNX2X_ERR("PXP2 CFG failed\n");
5165                 return -EBUSY;
5166         }
5167         val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5168         if (val != 1) {
5169                 BNX2X_ERR("PXP2 RD_INIT failed\n");
5170                 return -EBUSY;
5171         }
5172
5173         REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5174         REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
5175
5176         bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
5177
5178         /* clean the DMAE memory */
5179         bp->dmae_ready = 1;
5180         bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
5181
5182         bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5183         bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5184         bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5185         bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
5186
5187         bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5188         bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5189         bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5190         bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5191
5192         bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5193         /* soft reset pulse */
5194         REG_WR(bp, QM_REG_SOFT_RESET, 1);
5195         REG_WR(bp, QM_REG_SOFT_RESET, 0);
5196
5197 #ifdef BCM_ISCSI
5198         bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
5199 #endif
5200
5201         bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5202         REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5203         if (!CHIP_REV_IS_SLOW(bp)) {
5204                 /* enable hw interrupt from doorbell Q */
5205                 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5206         }
5207
5208         bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5209         if (CHIP_REV_IS_SLOW(bp)) {
5210                 /* fix for emulation and FPGA for no pause */
5211                 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5212                 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5213                 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5214                 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5215         }
5216
5217         bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5218         /* set NIC mode */
5219         REG_WR(bp, PRS_REG_NIC_MODE, 1);
5220         if (CHIP_IS_E1H(bp))
5221                 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
5222
5223         bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5224         bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5225         bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5226         bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
5227
5228         if (CHIP_IS_E1H(bp)) {
5229                 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5230                                 STORM_INTMEM_SIZE_E1H/2);
5231                 bnx2x_init_fill(bp,
5232                                 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5233                                 0, STORM_INTMEM_SIZE_E1H/2);
5234                 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5235                                 STORM_INTMEM_SIZE_E1H/2);
5236                 bnx2x_init_fill(bp,
5237                                 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5238                                 0, STORM_INTMEM_SIZE_E1H/2);
5239                 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5240                                 STORM_INTMEM_SIZE_E1H/2);
5241                 bnx2x_init_fill(bp,
5242                                 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5243                                 0, STORM_INTMEM_SIZE_E1H/2);
5244                 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5245                                 STORM_INTMEM_SIZE_E1H/2);
5246                 bnx2x_init_fill(bp,
5247                                 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5248                                 0, STORM_INTMEM_SIZE_E1H/2);
5249         } else { /* E1 */
5250                 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5251                                 STORM_INTMEM_SIZE_E1);
5252                 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5253                                 STORM_INTMEM_SIZE_E1);
5254                 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5255                                 STORM_INTMEM_SIZE_E1);
5256                 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5257                                 STORM_INTMEM_SIZE_E1);
5258         }
5259
5260         bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5261         bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5262         bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5263         bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
5264
5265         /* sync semi rtc */
5266         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5267                0x80000000);
5268         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5269                0x80000000);
5270
5271         bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5272         bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5273         bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
5274
5275         REG_WR(bp, SRC_REG_SOFT_RST, 1);
5276         for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5277                 REG_WR(bp, i, 0xc0cac01a);
5278                 /* TODO: replace with something meaningful */
5279         }
5280         if (CHIP_IS_E1H(bp))
5281                 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5282         REG_WR(bp, SRC_REG_SOFT_RST, 0);
5283
5284         if (sizeof(union cdu_context) != 1024)
5285                 /* we currently assume that a context is 1024 bytes */
5286                 printk(KERN_ALERT PFX "please adjust the size of"
5287                        " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
5288
5289         bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5290         val = (4 << 24) + (0 << 12) + 1024;
5291         REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5292         if (CHIP_IS_E1(bp)) {
5293                 /* !!! fix pxp client crdit until excel update */
5294                 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5295                 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5296         }
5297
5298         bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5299         REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
5300
5301         bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5302         bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
5303
5304         /* PXPCS COMMON comes here */
5305         /* Reset PCIE errors for debug */
5306         REG_WR(bp, 0x2814, 0xffffffff);
5307         REG_WR(bp, 0x3820, 0xffffffff);
5308
5309         /* EMAC0 COMMON comes here */
5310         /* EMAC1 COMMON comes here */
5311         /* DBU COMMON comes here */
5312         /* DBG COMMON comes here */
5313
5314         bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5315         if (CHIP_IS_E1H(bp)) {
5316                 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5317                 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5318         }
5319
5320         if (CHIP_REV_IS_SLOW(bp))
5321                 msleep(200);
5322
5323         /* finish CFC init */
5324         val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5325         if (val != 1) {
5326                 BNX2X_ERR("CFC LL_INIT failed\n");
5327                 return -EBUSY;
5328         }
5329         val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5330         if (val != 1) {
5331                 BNX2X_ERR("CFC AC_INIT failed\n");
5332                 return -EBUSY;
5333         }
5334         val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5335         if (val != 1) {
5336                 BNX2X_ERR("CFC CAM_INIT failed\n");
5337                 return -EBUSY;
5338         }
5339         REG_WR(bp, CFC_REG_DEBUG0, 0);
5340
5341         /* read NIG statistic
5342            to see if this is our first up since powerup */
5343         bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5344         val = *bnx2x_sp(bp, wb_data[0]);
5345
5346         /* do internal memory self test */
5347         if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5348                 BNX2X_ERR("internal mem self test failed\n");
5349                 return -EBUSY;
5350         }
5351
5352         switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5353         case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
5354         case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5355                 /* Fan failure is indicated by SPIO 5 */
5356                 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5357                                MISC_REGISTERS_SPIO_INPUT_HI_Z);
5358
5359                 /* set to active low mode */
5360                 val = REG_RD(bp, MISC_REG_SPIO_INT);
5361                 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
5362                                         MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
5363                 REG_WR(bp, MISC_REG_SPIO_INT, val);
5364
5365                 /* enable interrupt to signal the IGU */
5366                 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5367                 val |= (1 << MISC_REGISTERS_SPIO_5);
5368                 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5369                 break;
5370
5371         default:
5372                 break;
5373         }
5374
5375         /* clear PXP2 attentions */
5376         REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
5377
5378         enable_blocks_attention(bp);
5379
5380         if (!BP_NOMCP(bp)) {
5381                 bnx2x_acquire_phy_lock(bp);
5382                 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5383                 bnx2x_release_phy_lock(bp);
5384         } else
5385                 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5386
5387         return 0;
5388 }
5389
5390 static int bnx2x_init_port(struct bnx2x *bp)
5391 {
5392         int port = BP_PORT(bp);
5393         u32 val;
5394
5395         DP(BNX2X_MSG_MCP, "starting port init  port %x\n", port);
5396
5397         REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
5398
5399         /* Port PXP comes here */
5400         /* Port PXP2 comes here */
5401 #ifdef BCM_ISCSI
5402         /* Port0  1
5403          * Port1  385 */
5404         i++;
5405         wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5406         wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5407         REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5408         REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5409
5410         /* Port0  2
5411          * Port1  386 */
5412         i++;
5413         wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5414         wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5415         REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5416         REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5417
5418         /* Port0  3
5419          * Port1  387 */
5420         i++;
5421         wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5422         wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5423         REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5424         REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5425 #endif
5426         /* Port CMs come here */
5427
5428         /* Port QM comes here */
5429 #ifdef BCM_ISCSI
5430         REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5431         REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5432
5433         bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5434                              func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5435 #endif
5436         /* Port DQ comes here */
5437         /* Port BRB1 comes here */
5438         /* Port PRS comes here */
5439         /* Port TSDM comes here */
5440         /* Port CSDM comes here */
5441         /* Port USDM comes here */
5442         /* Port XSDM comes here */
5443         bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5444                              port ? TSEM_PORT1_END : TSEM_PORT0_END);
5445         bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5446                              port ? USEM_PORT1_END : USEM_PORT0_END);
5447         bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5448                              port ? CSEM_PORT1_END : CSEM_PORT0_END);
5449         bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5450                              port ? XSEM_PORT1_END : XSEM_PORT0_END);
5451         /* Port UPB comes here */
5452         /* Port XPB comes here */
5453
5454         bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5455                              port ? PBF_PORT1_END : PBF_PORT0_END);
5456
5457         /* configure PBF to work without PAUSE mtu 9000 */
5458         REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
5459
5460         /* update threshold */
5461         REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5462         /* update init credit */
5463         REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
5464
5465         /* probe changes */
5466         REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5467         msleep(5);
5468         REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5469
5470 #ifdef BCM_ISCSI
5471         /* tell the searcher where the T2 table is */
5472         REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5473
5474         wb_write[0] = U64_LO(bp->t2_mapping);
5475         wb_write[1] = U64_HI(bp->t2_mapping);
5476         REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5477         wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5478         wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5479         REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5480
5481         REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5482         /* Port SRCH comes here */
5483 #endif
5484         /* Port CDU comes here */
5485         /* Port CFC comes here */
5486
5487         if (CHIP_IS_E1(bp)) {
5488                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5489                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5490         }
5491         bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5492                              port ? HC_PORT1_END : HC_PORT0_END);
5493
5494         bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
5495                                     MISC_AEU_PORT0_START,
5496                              port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5497         /* init aeu_mask_attn_func_0/1:
5498          *  - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5499          *  - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5500          *             bits 4-7 are used for "per vn group attention" */
5501         REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5502                (IS_E1HMF(bp) ? 0xF7 : 0x7));
5503
5504         /* Port PXPCS comes here */
5505         /* Port EMAC0 comes here */
5506         /* Port EMAC1 comes here */
5507         /* Port DBU comes here */
5508         /* Port DBG comes here */
5509         bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5510                              port ? NIG_PORT1_END : NIG_PORT0_END);
5511
5512         REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5513
5514         if (CHIP_IS_E1H(bp)) {
5515                 u32 wsum;
5516                 struct cmng_struct_per_port m_cmng_port;
5517                 int vn;
5518
5519                 /* 0x2 disable e1hov, 0x1 enable */
5520                 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5521                        (IS_E1HMF(bp) ? 0x1 : 0x2));
5522
5523                 /* Init RATE SHAPING and FAIRNESS contexts.
5524                    Initialize as if there is 10G link. */
5525                 wsum = bnx2x_calc_vn_wsum(bp);
5526                 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5527                 if (IS_E1HMF(bp))
5528                         for (vn = VN_0; vn < E1HVN_MAX; vn++)
5529                                 bnx2x_init_vn_minmax(bp, 2*vn + port,
5530                                         wsum, 10000, &m_cmng_port);
5531         }
5532
5533         /* Port MCP comes here */
5534         /* Port DMAE comes here */
5535
5536         switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5537         case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
5538         case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5539                 /* add SPIO 5 to group 0 */
5540                 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5541                 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5542                 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5543                 break;
5544
5545         default:
5546                 break;
5547         }
5548
5549         bnx2x__link_reset(bp);
5550
5551         return 0;
5552 }
5553
5554 #define ILT_PER_FUNC            (768/2)
5555 #define FUNC_ILT_BASE(func)     (func * ILT_PER_FUNC)
5556 /* the phys address is shifted right 12 bits and has an added
5557    1=valid bit added to the 53rd bit
5558    then since this is a wide register(TM)
5559    we split it into two 32 bit writes
5560  */
5561 #define ONCHIP_ADDR1(x)         ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5562 #define ONCHIP_ADDR2(x)         ((u32)((1 << 20) | ((u64)x >> 44)))
5563 #define PXP_ONE_ILT(x)          (((x) << 10) | x)
5564 #define PXP_ILT_RANGE(f, l)     (((l) << 10) | f)
5565
5566 #define CNIC_ILT_LINES          0
5567
5568 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5569 {
5570         int reg;
5571
5572         if (CHIP_IS_E1H(bp))
5573                 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5574         else /* E1 */
5575                 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5576
5577         bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5578 }
5579
5580 static int bnx2x_init_func(struct bnx2x *bp)
5581 {
5582         int port = BP_PORT(bp);
5583         int func = BP_FUNC(bp);
5584         int i;
5585
5586         DP(BNX2X_MSG_MCP, "starting func init  func %x\n", func);
5587
5588         i = FUNC_ILT_BASE(func);
5589
5590         bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5591         if (CHIP_IS_E1H(bp)) {
5592                 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5593                 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5594         } else /* E1 */
5595                 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5596                        PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5597
5598
5599         if (CHIP_IS_E1H(bp)) {
5600                 for (i = 0; i < 9; i++)
5601                         bnx2x_init_block(bp,
5602                                          cm_start[func][i], cm_end[func][i]);
5603
5604                 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5605                 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5606         }
5607
5608         /* HC init per function */
5609         if (CHIP_IS_E1H(bp)) {
5610                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5611
5612                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5613                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5614         }
5615         bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5616
5617         if (CHIP_IS_E1H(bp))
5618                 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5619
5620         /* Reset PCIE errors for debug */
5621         REG_WR(bp, 0x2114, 0xffffffff);
5622         REG_WR(bp, 0x2120, 0xffffffff);
5623
5624         return 0;
5625 }
5626
5627 static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5628 {
5629         int i, rc = 0;
5630
5631         DP(BNX2X_MSG_MCP, "function %d  load_code %x\n",
5632            BP_FUNC(bp), load_code);
5633
5634         bp->dmae_ready = 0;
5635         mutex_init(&bp->dmae_mutex);
5636         bnx2x_gunzip_init(bp);
5637
5638         switch (load_code) {
5639         case FW_MSG_CODE_DRV_LOAD_COMMON:
5640                 rc = bnx2x_init_common(bp);
5641                 if (rc)
5642                         goto init_hw_err;
5643                 /* no break */
5644
5645         case FW_MSG_CODE_DRV_LOAD_PORT:
5646                 bp->dmae_ready = 1;
5647                 rc = bnx2x_init_port(bp);
5648                 if (rc)
5649                         goto init_hw_err;
5650                 /* no break */
5651
5652         case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5653                 bp->dmae_ready = 1;
5654                 rc = bnx2x_init_func(bp);
5655                 if (rc)
5656                         goto init_hw_err;
5657                 break;
5658
5659         default:
5660                 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5661                 break;
5662         }
5663
5664         if (!BP_NOMCP(bp)) {
5665                 int func = BP_FUNC(bp);
5666
5667                 bp->fw_drv_pulse_wr_seq =
5668                                 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5669                                  DRV_PULSE_SEQ_MASK);
5670                 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5671                 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x  func_stx 0x%x\n",
5672                    bp->fw_drv_pulse_wr_seq, bp->func_stx);
5673         } else
5674                 bp->func_stx = 0;
5675
5676         /* this needs to be done before gunzip end */
5677         bnx2x_zero_def_sb(bp);
5678         for_each_queue(bp, i)
5679                 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5680
5681 init_hw_err:
5682         bnx2x_gunzip_end(bp);
5683
5684         return rc;
5685 }
5686
5687 /* send the MCP a request, block until there is a reply */
5688 static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5689 {
5690         int func = BP_FUNC(bp);
5691         u32 seq = ++bp->fw_seq;
5692         u32 rc = 0;
5693         u32 cnt = 1;
5694         u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
5695
5696         SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
5697         DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
5698
5699         do {
5700                 /* let the FW do it's magic ... */
5701                 msleep(delay);
5702
5703                 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
5704
5705                 /* Give the FW up to 2 second (200*10ms) */
5706         } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5707
5708         DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5709            cnt*delay, rc, seq);
5710
5711         /* is this a reply to our command? */
5712         if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5713                 rc &= FW_MSG_CODE_MASK;
5714
5715         } else {
5716                 /* FW BUG! */
5717                 BNX2X_ERR("FW failed to respond!\n");
5718                 bnx2x_fw_dump(bp);
5719                 rc = 0;
5720         }
5721
5722         return rc;
5723 }
5724
5725 static void bnx2x_free_mem(struct bnx2x *bp)
5726 {
5727
5728 #define BNX2X_PCI_FREE(x, y, size) \
5729         do { \
5730                 if (x) { \
5731                         pci_free_consistent(bp->pdev, size, x, y); \
5732                         x = NULL; \
5733                         y = 0; \
5734                 } \
5735         } while (0)
5736
5737 #define BNX2X_FREE(x) \
5738         do { \
5739                 if (x) { \
5740                         vfree(x); \
5741                         x = NULL; \
5742                 } \
5743         } while (0)
5744
5745         int i;
5746
5747         /* fastpath */
5748         for_each_queue(bp, i) {
5749
5750                 /* Status blocks */
5751                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5752                                bnx2x_fp(bp, i, status_blk_mapping),
5753                                sizeof(struct host_status_block) +
5754                                sizeof(struct eth_tx_db_data));
5755
5756                 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5757                 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5758                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5759                                bnx2x_fp(bp, i, tx_desc_mapping),
5760                                sizeof(struct eth_tx_bd) * NUM_TX_BD);
5761
5762                 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5763                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5764                                bnx2x_fp(bp, i, rx_desc_mapping),
5765                                sizeof(struct eth_rx_bd) * NUM_RX_BD);
5766
5767                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5768                                bnx2x_fp(bp, i, rx_comp_mapping),
5769                                sizeof(struct eth_fast_path_rx_cqe) *
5770                                NUM_RCQ_BD);
5771
5772                 /* SGE ring */
5773                 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5774                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5775                                bnx2x_fp(bp, i, rx_sge_mapping),
5776                                BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5777         }
5778         /* end of fastpath */
5779
5780         BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5781                        sizeof(struct host_def_status_block));
5782
5783         BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5784                        sizeof(struct bnx2x_slowpath));
5785
5786 #ifdef BCM_ISCSI
5787         BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5788         BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5789         BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5790         BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5791 #endif
5792         BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
5793
5794 #undef BNX2X_PCI_FREE
5795 #undef BNX2X_KFREE
5796 }
5797
5798 static int bnx2x_alloc_mem(struct bnx2x *bp)
5799 {
5800
5801 #define BNX2X_PCI_ALLOC(x, y, size) \
5802         do { \
5803                 x = pci_alloc_consistent(bp->pdev, size, y); \
5804                 if (x == NULL) \
5805                         goto alloc_mem_err; \
5806                 memset(x, 0, size); \
5807         } while (0)
5808
5809 #define BNX2X_ALLOC(x, size) \
5810         do { \
5811                 x = vmalloc(size); \
5812                 if (x == NULL) \
5813                         goto alloc_mem_err; \
5814                 memset(x, 0, size); \
5815         } while (0)
5816
5817         int i;
5818
5819         /* fastpath */
5820         for_each_queue(bp, i) {
5821                 bnx2x_fp(bp, i, bp) = bp;
5822
5823                 /* Status blocks */
5824                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5825                                 &bnx2x_fp(bp, i, status_blk_mapping),
5826                                 sizeof(struct host_status_block) +
5827                                 sizeof(struct eth_tx_db_data));
5828
5829                 bnx2x_fp(bp, i, hw_tx_prods) =
5830                                 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5831
5832                 bnx2x_fp(bp, i, tx_prods_mapping) =
5833                                 bnx2x_fp(bp, i, status_blk_mapping) +
5834                                 sizeof(struct host_status_block);
5835
5836                 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5837                 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5838                                 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5839                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5840                                 &bnx2x_fp(bp, i, tx_desc_mapping),
5841                                 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5842
5843                 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5844                                 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5845                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5846                                 &bnx2x_fp(bp, i, rx_desc_mapping),
5847                                 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5848
5849                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5850                                 &bnx2x_fp(bp, i, rx_comp_mapping),
5851                                 sizeof(struct eth_fast_path_rx_cqe) *
5852                                 NUM_RCQ_BD);
5853
5854                 /* SGE ring */
5855                 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5856                                 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5857                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5858                                 &bnx2x_fp(bp, i, rx_sge_mapping),
5859                                 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5860         }
5861         /* end of fastpath */
5862
5863         BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5864                         sizeof(struct host_def_status_block));
5865
5866         BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5867                         sizeof(struct bnx2x_slowpath));
5868
5869 #ifdef BCM_ISCSI
5870         BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5871
5872         /* Initialize T1 */
5873         for (i = 0; i < 64*1024; i += 64) {
5874                 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5875                 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5876         }
5877
5878         /* allocate searcher T2 table
5879            we allocate 1/4 of alloc num for T2
5880           (which is not entered into the ILT) */
5881         BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5882
5883         /* Initialize T2 */
5884         for (i = 0; i < 16*1024; i += 64)
5885                 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5886
5887         /* now fixup the last line in the block to point to the next block */
5888         *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5889
5890         /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5891         BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5892
5893         /* QM queues (128*MAX_CONN) */
5894         BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5895 #endif
5896
5897         /* Slow path ring */
5898         BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5899
5900         return 0;
5901
5902 alloc_mem_err:
5903         bnx2x_free_mem(bp);
5904         return -ENOMEM;
5905
5906 #undef BNX2X_PCI_ALLOC
5907 #undef BNX2X_ALLOC
5908 }
5909
5910 static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5911 {
5912         int i;
5913
5914         for_each_queue(bp, i) {
5915                 struct bnx2x_fastpath *fp = &bp->fp[i];
5916
5917                 u16 bd_cons = fp->tx_bd_cons;
5918                 u16 sw_prod = fp->tx_pkt_prod;
5919                 u16 sw_cons = fp->tx_pkt_cons;
5920
5921                 while (sw_cons != sw_prod) {
5922                         bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5923                         sw_cons++;
5924                 }
5925         }
5926 }
5927
5928 static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5929 {
5930         int i, j;
5931
5932         for_each_queue(bp, j) {
5933                 struct bnx2x_fastpath *fp = &bp->fp[j];
5934
5935                 for (i = 0; i < NUM_RX_BD; i++) {
5936                         struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5937                         struct sk_buff *skb = rx_buf->skb;
5938
5939                         if (skb == NULL)
5940                                 continue;
5941
5942                         pci_unmap_single(bp->pdev,
5943                                          pci_unmap_addr(rx_buf, mapping),
5944                                          bp->rx_buf_size,
5945                                          PCI_DMA_FROMDEVICE);
5946
5947                         rx_buf->skb = NULL;
5948                         dev_kfree_skb(skb);
5949                 }
5950                 if (!fp->disable_tpa)
5951                         bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5952                                             ETH_MAX_AGGREGATION_QUEUES_E1 :
5953                                             ETH_MAX_AGGREGATION_QUEUES_E1H);
5954         }
5955 }
5956
5957 static void bnx2x_free_skbs(struct bnx2x *bp)
5958 {
5959         bnx2x_free_tx_skbs(bp);
5960         bnx2x_free_rx_skbs(bp);
5961 }
5962
5963 static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5964 {
5965         int i, offset = 1;
5966
5967         free_irq(bp->msix_table[0].vector, bp->dev);
5968         DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
5969            bp->msix_table[0].vector);
5970
5971         for_each_queue(bp, i) {
5972                 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq  "
5973                    "state %x\n", i, bp->msix_table[i + offset].vector,
5974                    bnx2x_fp(bp, i, state));
5975
5976                 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5977                         BNX2X_ERR("IRQ of fp #%d being freed while "
5978                                   "state != closed\n", i);
5979
5980                 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
5981         }
5982 }
5983
5984 static void bnx2x_free_irq(struct bnx2x *bp)
5985 {
5986         if (bp->flags & USING_MSIX_FLAG) {
5987                 bnx2x_free_msix_irqs(bp);
5988                 pci_disable_msix(bp->pdev);
5989                 bp->flags &= ~USING_MSIX_FLAG;
5990
5991         } else
5992                 free_irq(bp->pdev->irq, bp->dev);
5993 }
5994
5995 static int bnx2x_enable_msix(struct bnx2x *bp)
5996 {
5997         int i, rc, offset;
5998
5999         bp->msix_table[0].entry = 0;
6000         offset = 1;
6001         DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
6002
6003         for_each_queue(bp, i) {
6004                 int igu_vec = offset + i + BP_L_ID(bp);
6005
6006                 bp->msix_table[i + offset].entry = igu_vec;
6007                 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6008                    "(fastpath #%u)\n", i + offset, igu_vec, i);
6009         }
6010
6011         rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6012                              bp->num_queues + offset);
6013         if (rc) {
6014                 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6015                 return -1;
6016         }
6017         bp->flags |= USING_MSIX_FLAG;
6018
6019         return 0;
6020 }
6021
6022 static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6023 {
6024         int i, rc, offset = 1;
6025
6026         rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6027                          bp->dev->name, bp->dev);
6028         if (rc) {
6029                 BNX2X_ERR("request sp irq failed\n");
6030                 return -EBUSY;
6031         }
6032
6033         for_each_queue(bp, i) {
6034                 rc = request_irq(bp->msix_table[i + offset].vector,
6035                                  bnx2x_msix_fp_int, 0,
6036                                  bp->dev->name, &bp->fp[i]);
6037                 if (rc) {
6038                         BNX2X_ERR("request fp #%d irq failed  rc -%d\n",
6039                                   i + offset, -rc);
6040                         bnx2x_free_msix_irqs(bp);
6041                         return -EBUSY;
6042                 }
6043
6044                 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
6045         }
6046
6047         return 0;
6048 }
6049
6050 static int bnx2x_req_irq(struct bnx2x *bp)
6051 {
6052         int rc;
6053
6054         rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6055                          bp->dev->name, bp->dev);
6056         if (!rc)
6057                 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6058
6059         return rc;
6060 }
6061
6062 static void bnx2x_napi_enable(struct bnx2x *bp)
6063 {
6064         int i;
6065
6066         for_each_queue(bp, i)
6067                 napi_enable(&bnx2x_fp(bp, i, napi));
6068 }
6069
6070 static void bnx2x_napi_disable(struct bnx2x *bp)
6071 {
6072         int i;
6073
6074         for_each_queue(bp, i)
6075                 napi_disable(&bnx2x_fp(bp, i, napi));
6076 }
6077
6078 static void bnx2x_netif_start(struct bnx2x *bp)
6079 {
6080         if (atomic_dec_and_test(&bp->intr_sem)) {
6081                 if (netif_running(bp->dev)) {
6082                         if (bp->state == BNX2X_STATE_OPEN)
6083                                 netif_wake_queue(bp->dev);
6084                         bnx2x_napi_enable(bp);
6085                         bnx2x_int_enable(bp);
6086                 }
6087         }
6088 }
6089
6090 static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
6091 {
6092         bnx2x_int_disable_sync(bp, disable_hw);
6093         if (netif_running(bp->dev)) {
6094                 bnx2x_napi_disable(bp);
6095                 netif_tx_disable(bp->dev);
6096                 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6097         }
6098 }
6099
6100 /*
6101  * Init service functions
6102  */
6103
6104 static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
6105 {
6106         struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
6107         int port = BP_PORT(bp);
6108
6109         /* CAM allocation
6110          * unicasts 0-31:port0 32-63:port1
6111          * multicast 64-127:port0 128-191:port1
6112          */
6113         config->hdr.length_6b = 2;
6114         config->hdr.offset = port ? 31 : 0;
6115         config->hdr.client_id = BP_CL_ID(bp);
6116         config->hdr.reserved1 = 0;
6117
6118         /* primary MAC */
6119         config->config_table[0].cam_entry.msb_mac_addr =
6120                                         swab16(*(u16 *)&bp->dev->dev_addr[0]);
6121         config->config_table[0].cam_entry.middle_mac_addr =
6122                                         swab16(*(u16 *)&bp->dev->dev_addr[2]);
6123         config->config_table[0].cam_entry.lsb_mac_addr =
6124                                         swab16(*(u16 *)&bp->dev->dev_addr[4]);
6125         config->config_table[0].cam_entry.flags = cpu_to_le16(port);
6126         if (set)
6127                 config->config_table[0].target_table_entry.flags = 0;
6128         else
6129                 CAM_INVALIDATE(config->config_table[0]);
6130         config->config_table[0].target_table_entry.client_id = 0;
6131         config->config_table[0].target_table_entry.vlan_id = 0;
6132
6133         DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6134            (set ? "setting" : "clearing"),
6135            config->config_table[0].cam_entry.msb_mac_addr,
6136            config->config_table[0].cam_entry.middle_mac_addr,
6137            config->config_table[0].cam_entry.lsb_mac_addr);
6138
6139         /* broadcast */
6140         config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6141         config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6142         config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
6143         config->config_table[1].cam_entry.flags = cpu_to_le16(port);
6144         if (set)
6145                 config->config_table[1].target_table_entry.flags =
6146                                 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6147         else
6148                 CAM_INVALIDATE(config->config_table[1]);
6149         config->config_table[1].target_table_entry.client_id = 0;
6150         config->config_table[1].target_table_entry.vlan_id = 0;
6151
6152         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6153                       U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6154                       U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6155 }
6156
6157 static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
6158 {
6159         struct mac_configuration_cmd_e1h *config =
6160                 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6161
6162         if (set && (bp->state != BNX2X_STATE_OPEN)) {
6163                 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6164                 return;
6165         }
6166
6167         /* CAM allocation for E1H
6168          * unicasts: by func number
6169          * multicast: 20+FUNC*20, 20 each
6170          */
6171         config->hdr.length_6b = 1;
6172         config->hdr.offset = BP_FUNC(bp);
6173         config->hdr.client_id = BP_CL_ID(bp);
6174         config->hdr.reserved1 = 0;
6175
6176         /* primary MAC */
6177         config->config_table[0].msb_mac_addr =
6178                                         swab16(*(u16 *)&bp->dev->dev_addr[0]);
6179         config->config_table[0].middle_mac_addr =
6180                                         swab16(*(u16 *)&bp->dev->dev_addr[2]);
6181         config->config_table[0].lsb_mac_addr =
6182                                         swab16(*(u16 *)&bp->dev->dev_addr[4]);
6183         config->config_table[0].client_id = BP_L_ID(bp);
6184         config->config_table[0].vlan_id = 0;
6185         config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
6186         if (set)
6187                 config->config_table[0].flags = BP_PORT(bp);
6188         else
6189                 config->config_table[0].flags =
6190                                 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
6191
6192         DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)  E1HOV %d  CLID %d\n",
6193            (set ? "setting" : "clearing"),
6194            config->config_table[0].msb_mac_addr,
6195            config->config_table[0].middle_mac_addr,
6196            config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6197
6198         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6199                       U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6200                       U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6201 }
6202
6203 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6204                              int *state_p, int poll)
6205 {
6206         /* can take a while if any port is running */
6207         int cnt = 500;
6208
6209         DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6210            poll ? "polling" : "waiting", state, idx);
6211
6212         might_sleep();
6213         while (cnt--) {
6214                 if (poll) {
6215                         bnx2x_rx_int(bp->fp, 10);
6216                         /* if index is different from 0
6217                          * the reply for some commands will
6218                          * be on the non default queue
6219                          */
6220                         if (idx)
6221                                 bnx2x_rx_int(&bp->fp[idx], 10);
6222                 }
6223
6224                 mb(); /* state is changed by bnx2x_sp_event() */
6225                 if (*state_p == state)
6226                         return 0;
6227
6228                 msleep(1);
6229         }
6230
6231         /* timeout! */
6232         BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6233                   poll ? "polling" : "waiting", state, idx);
6234 #ifdef BNX2X_STOP_ON_ERROR
6235         bnx2x_panic();
6236 #endif
6237
6238         return -EBUSY;
6239 }
6240
6241 static int bnx2x_setup_leading(struct bnx2x *bp)
6242 {
6243         int rc;
6244
6245         /* reset IGU state */
6246         bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6247
6248         /* SETUP ramrod */
6249         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6250
6251         /* Wait for completion */
6252         rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
6253
6254         return rc;
6255 }
6256
6257 static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6258 {
6259         /* reset IGU state */
6260         bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6261
6262         /* SETUP ramrod */
6263         bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6264         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6265
6266         /* Wait for completion */
6267         return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
6268                                  &(bp->fp[index].state), 0);
6269 }
6270
6271 static int bnx2x_poll(struct napi_struct *napi, int budget);
6272 static void bnx2x_set_rx_mode(struct net_device *dev);
6273
6274 /* must be called with rtnl_lock */
6275 static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
6276 {
6277         u32 load_code;
6278         int i, rc;
6279 #ifdef BNX2X_STOP_ON_ERROR
6280         if (unlikely(bp->panic))
6281                 return -EPERM;
6282 #endif
6283
6284         bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6285
6286         /* Send LOAD_REQUEST command to MCP
6287            Returns the type of LOAD command:
6288            if it is the first port to be initialized
6289            common blocks should be initialized, otherwise - not
6290         */
6291         if (!BP_NOMCP(bp)) {
6292                 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6293                 if (!load_code) {
6294                         BNX2X_ERR("MCP response failure, aborting\n");
6295                         return -EBUSY;
6296                 }
6297                 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
6298                         return -EBUSY; /* other port in diagnostic mode */
6299
6300         } else {
6301                 int port = BP_PORT(bp);
6302
6303                 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6304                    load_count[0], load_count[1], load_count[2]);
6305                 load_count[0]++;
6306                 load_count[1 + port]++;
6307                 DP(NETIF_MSG_IFUP, "NO MCP new load counts       %d, %d, %d\n",
6308                    load_count[0], load_count[1], load_count[2]);
6309                 if (load_count[0] == 1)
6310                         load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
6311                 else if (load_count[1 + port] == 1)
6312                         load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6313                 else
6314                         load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
6315         }
6316
6317         if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6318             (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6319                 bp->port.pmf = 1;
6320         else
6321                 bp->port.pmf = 0;
6322         DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6323
6324         /* if we can't use MSI-X we only need one fp,
6325          * so try to enable MSI-X with the requested number of fp's
6326          * and fallback to inta with one fp
6327          */
6328         if (use_inta) {
6329                 bp->num_queues = 1;
6330
6331         } else {
6332                 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6333                         /* user requested number */
6334                         bp->num_queues = use_multi;
6335
6336                 else if (use_multi)
6337                         bp->num_queues = min_t(u32, num_online_cpus(),
6338                                                BP_MAX_QUEUES(bp));
6339                 else
6340                         bp->num_queues = 1;
6341
6342                 if (bnx2x_enable_msix(bp)) {
6343                         /* failed to enable MSI-X */
6344                         bp->num_queues = 1;
6345                         if (use_multi)
6346                                 BNX2X_ERR("Multi requested but failed"
6347                                           " to enable MSI-X\n");
6348                 }
6349         }
6350         DP(NETIF_MSG_IFUP,
6351            "set number of queues to %d\n", bp->num_queues);
6352
6353         if (bnx2x_alloc_mem(bp))
6354                 return -ENOMEM;
6355
6356         for_each_queue(bp, i)
6357                 bnx2x_fp(bp, i, disable_tpa) =
6358                                         ((bp->flags & TPA_ENABLE_FLAG) == 0);
6359
6360         if (bp->flags & USING_MSIX_FLAG) {
6361                 rc = bnx2x_req_msix_irqs(bp);
6362                 if (rc) {
6363                         pci_disable_msix(bp->pdev);
6364                         goto load_error;
6365                 }
6366         } else {
6367                 bnx2x_ack_int(bp);
6368                 rc = bnx2x_req_irq(bp);
6369                 if (rc) {
6370                         BNX2X_ERR("IRQ request failed, aborting\n");
6371                         goto load_error;
6372                 }
6373         }
6374
6375         for_each_queue(bp, i)
6376                 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6377                                bnx2x_poll, 128);
6378
6379         /* Initialize HW */
6380         rc = bnx2x_init_hw(bp, load_code);
6381         if (rc) {
6382                 BNX2X_ERR("HW init failed, aborting\n");
6383                 goto load_int_disable;
6384         }
6385
6386         /* Setup NIC internals and enable interrupts */
6387         bnx2x_nic_init(bp, load_code);
6388
6389         /* Send LOAD_DONE command to MCP */
6390         if (!BP_NOMCP(bp)) {
6391                 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6392                 if (!load_code) {
6393                         BNX2X_ERR("MCP response failure, aborting\n");
6394                         rc = -EBUSY;
6395                         goto load_rings_free;
6396                 }
6397         }
6398
6399         bnx2x_stats_init(bp);
6400
6401         bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6402
6403         /* Enable Rx interrupt handling before sending the ramrod
6404            as it's completed on Rx FP queue */
6405         bnx2x_napi_enable(bp);
6406
6407         /* Enable interrupt handling */
6408         atomic_set(&bp->intr_sem, 0);
6409
6410         rc = bnx2x_setup_leading(bp);
6411         if (rc) {
6412                 BNX2X_ERR("Setup leading failed!\n");
6413                 goto load_netif_stop;
6414         }
6415
6416         if (CHIP_IS_E1H(bp))
6417                 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6418                         BNX2X_ERR("!!!  mf_cfg function disabled\n");
6419                         bp->state = BNX2X_STATE_DISABLED;
6420                 }
6421
6422         if (bp->state == BNX2X_STATE_OPEN)
6423                 for_each_nondefault_queue(bp, i) {
6424                         rc = bnx2x_setup_multi(bp, i);
6425                         if (rc)
6426                                 goto load_netif_stop;
6427                 }
6428
6429         if (CHIP_IS_E1(bp))
6430                 bnx2x_set_mac_addr_e1(bp, 1);
6431         else
6432                 bnx2x_set_mac_addr_e1h(bp, 1);
6433
6434         if (bp->port.pmf)
6435                 bnx2x_initial_phy_init(bp);
6436
6437         /* Start fast path */
6438         switch (load_mode) {
6439         case LOAD_NORMAL:
6440                 /* Tx queue should be only reenabled */
6441                 netif_wake_queue(bp->dev);
6442                 bnx2x_set_rx_mode(bp->dev);
6443                 break;
6444
6445         case LOAD_OPEN:
6446                 netif_start_queue(bp->dev);
6447                 bnx2x_set_rx_mode(bp->dev);
6448                 if (bp->flags & USING_MSIX_FLAG)
6449                         printk(KERN_INFO PFX "%s: using MSI-X\n",
6450                                bp->dev->name);
6451                 break;
6452
6453         case LOAD_DIAG:
6454                 bnx2x_set_rx_mode(bp->dev);
6455                 bp->state = BNX2X_STATE_DIAG;
6456                 break;
6457
6458         default:
6459                 break;
6460         }
6461
6462         if (!bp->port.pmf)
6463                 bnx2x__link_status_update(bp);
6464
6465         /* start the timer */
6466         mod_timer(&bp->timer, jiffies + bp->current_interval);
6467
6468
6469         return 0;
6470
6471 load_netif_stop:
6472         bnx2x_napi_disable(bp);
6473 load_rings_free:
6474         /* Free SKBs, SGEs, TPA pool and driver internals */
6475         bnx2x_free_skbs(bp);
6476         for_each_queue(bp, i)
6477                 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6478 load_int_disable:
6479         bnx2x_int_disable_sync(bp, 1);
6480         /* Release IRQs */
6481         bnx2x_free_irq(bp);
6482 load_error:
6483         bnx2x_free_mem(bp);
6484         bp->port.pmf = 0;
6485
6486         /* TBD we really need to reset the chip
6487            if we want to recover from this */
6488         return rc;
6489 }
6490
6491 static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6492 {
6493         int rc;
6494
6495         /* halt the connection */
6496         bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6497         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
6498
6499         /* Wait for completion */
6500         rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
6501                                &(bp->fp[index].state), 1);
6502         if (rc) /* timeout */
6503                 return rc;
6504
6505         /* delete cfc entry */
6506         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6507
6508         /* Wait for completion */
6509         rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6510                                &(bp->fp[index].state), 1);
6511         return rc;
6512 }
6513
6514 static int bnx2x_stop_leading(struct bnx2x *bp)
6515 {
6516         u16 dsb_sp_prod_idx;
6517         /* if the other port is handling traffic,
6518            this can take a lot of time */
6519         int cnt = 500;
6520         int rc;
6521
6522         might_sleep();
6523
6524         /* Send HALT ramrod */
6525         bp->fp[0].state = BNX2X_FP_STATE_HALTING;
6526         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
6527
6528         /* Wait for completion */
6529         rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6530                                &(bp->fp[0].state), 1);
6531         if (rc) /* timeout */
6532                 return rc;
6533
6534         dsb_sp_prod_idx = *bp->dsb_sp_prod;
6535
6536         /* Send PORT_DELETE ramrod */
6537         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6538
6539         /* Wait for completion to arrive on default status block
6540            we are going to reset the chip anyway
6541            so there is not much to do if this times out
6542          */
6543         while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
6544                 if (!cnt) {
6545                         DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6546                            "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6547                            *bp->dsb_sp_prod, dsb_sp_prod_idx);
6548 #ifdef BNX2X_STOP_ON_ERROR
6549                         bnx2x_panic();
6550 #else
6551                         rc = -EBUSY;
6552 #endif
6553                         break;
6554                 }
6555                 cnt--;
6556                 msleep(1);
6557         }
6558         bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6559         bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
6560
6561         return rc;
6562 }
6563
6564 static void bnx2x_reset_func(struct bnx2x *bp)
6565 {
6566         int port = BP_PORT(bp);
6567         int func = BP_FUNC(bp);
6568         int base, i;
6569
6570         /* Configure IGU */
6571         REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6572         REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6573
6574         REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6575
6576         /* Clear ILT */
6577         base = FUNC_ILT_BASE(func);
6578         for (i = base; i < base + ILT_PER_FUNC; i++)
6579                 bnx2x_ilt_wr(bp, i, 0);
6580 }
6581
6582 static void bnx2x_reset_port(struct bnx2x *bp)
6583 {
6584         int port = BP_PORT(bp);
6585         u32 val;
6586
6587         REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6588
6589         /* Do not rcv packets to BRB */
6590         REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6591         /* Do not direct rcv packets that are not for MCP to the BRB */
6592         REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6593                            NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6594
6595         /* Configure AEU */
6596         REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6597
6598         msleep(100);
6599         /* Check for BRB port occupancy */
6600         val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6601         if (val)
6602                 DP(NETIF_MSG_IFDOWN,
6603                    "BRB1 is not empty  %d blocks are occupied\n", val);
6604
6605         /* TODO: Close Doorbell port? */
6606 }
6607
6608 static void bnx2x_reset_common(struct bnx2x *bp)
6609 {
6610         /* reset_common */
6611         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6612                0xd3ffff7f);
6613         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6614 }
6615
6616 static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6617 {
6618         DP(BNX2X_MSG_MCP, "function %d  reset_code %x\n",
6619            BP_FUNC(bp), reset_code);
6620
6621         switch (reset_code) {
6622         case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6623                 bnx2x_reset_port(bp);
6624                 bnx2x_reset_func(bp);
6625                 bnx2x_reset_common(bp);
6626                 break;
6627
6628         case FW_MSG_CODE_DRV_UNLOAD_PORT:
6629                 bnx2x_reset_port(bp);
6630                 bnx2x_reset_func(bp);
6631                 break;
6632
6633         case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6634                 bnx2x_reset_func(bp);
6635                 break;
6636
6637         default:
6638                 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6639                 break;
6640         }
6641 }
6642
6643 /* must be called with rtnl_lock */
6644 static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
6645 {
6646         int port = BP_PORT(bp);
6647         u32 reset_code = 0;
6648         int i, cnt, rc;
6649
6650         bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6651
6652         bp->rx_mode = BNX2X_RX_MODE_NONE;
6653         bnx2x_set_storm_rx_mode(bp);
6654
6655         bnx2x_netif_stop(bp, 1);
6656         if (!netif_running(bp->dev))
6657                 bnx2x_napi_disable(bp);
6658         del_timer_sync(&bp->timer);
6659         SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6660                  (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
6661         bnx2x_stats_handle(bp, STATS_EVENT_STOP);
6662
6663         /* Wait until tx fast path tasks complete */
6664         for_each_queue(bp, i) {
6665                 struct bnx2x_fastpath *fp = &bp->fp[i];
6666
6667                 cnt = 1000;
6668                 smp_rmb();
6669                 while (BNX2X_HAS_TX_WORK(fp)) {
6670
6671                         bnx2x_tx_int(fp, 1000);
6672                         if (!cnt) {
6673                                 BNX2X_ERR("timeout waiting for queue[%d]\n",
6674                                           i);
6675 #ifdef BNX2X_STOP_ON_ERROR
6676                                 bnx2x_panic();
6677                                 return -EBUSY;
6678 #else
6679                                 break;
6680 #endif
6681                         }
6682                         cnt--;
6683                         msleep(1);
6684                         smp_rmb();
6685                 }
6686         }
6687         /* Give HW time to discard old tx messages */
6688         msleep(1);
6689
6690         /* Release IRQs */
6691         bnx2x_free_irq(bp);
6692
6693         if (CHIP_IS_E1(bp)) {
6694                 struct mac_configuration_cmd *config =
6695                                                 bnx2x_sp(bp, mcast_config);
6696
6697                 bnx2x_set_mac_addr_e1(bp, 0);
6698
6699                 for (i = 0; i < config->hdr.length_6b; i++)
6700                         CAM_INVALIDATE(config->config_table[i]);
6701
6702                 config->hdr.length_6b = i;
6703                 if (CHIP_REV_IS_SLOW(bp))
6704                         config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6705                 else
6706                         config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6707                 config->hdr.client_id = BP_CL_ID(bp);
6708                 config->hdr.reserved1 = 0;
6709
6710                 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6711                               U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6712                               U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6713
6714         } else { /* E1H */
6715                 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6716
6717                 bnx2x_set_mac_addr_e1h(bp, 0);
6718
6719                 for (i = 0; i < MC_HASH_SIZE; i++)
6720                         REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6721         }
6722
6723         if (unload_mode == UNLOAD_NORMAL)
6724                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6725
6726         else if (bp->flags & NO_WOL_FLAG) {
6727                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6728                 if (CHIP_IS_E1H(bp))
6729                         REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6730
6731         } else if (bp->wol) {
6732                 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6733                 u8 *mac_addr = bp->dev->dev_addr;
6734                 u32 val;
6735                 /* The mac address is written to entries 1-4 to
6736                    preserve entry 0 which is used by the PMF */
6737                 u8 entry = (BP_E1HVN(bp) + 1)*8;
6738
6739                 val = (mac_addr[0] << 8) | mac_addr[1];
6740                 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
6741
6742                 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6743                       (mac_addr[4] << 8) | mac_addr[5];
6744                 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
6745
6746                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6747
6748         } else
6749                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6750
6751         /* Close multi and leading connections
6752            Completions for ramrods are collected in a synchronous way */
6753         for_each_nondefault_queue(bp, i)
6754                 if (bnx2x_stop_multi(bp, i))
6755                         goto unload_error;
6756
6757         rc = bnx2x_stop_leading(bp);
6758         if (rc) {
6759                 BNX2X_ERR("Stop leading failed!\n");
6760 #ifdef BNX2X_STOP_ON_ERROR
6761                 return -EBUSY;
6762 #else
6763                 goto unload_error;
6764 #endif
6765         }
6766
6767 unload_error:
6768         if (!BP_NOMCP(bp))
6769                 reset_code = bnx2x_fw_command(bp, reset_code);
6770         else {
6771                 DP(NETIF_MSG_IFDOWN, "NO MCP load counts      %d, %d, %d\n",
6772                    load_count[0], load_count[1], load_count[2]);
6773                 load_count[0]--;
6774                 load_count[1 + port]--;
6775                 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts  %d, %d, %d\n",
6776                    load_count[0], load_count[1], load_count[2]);
6777                 if (load_count[0] == 0)
6778                         reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
6779                 else if (load_count[1 + port] == 0)
6780                         reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6781                 else
6782                         reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6783         }
6784
6785         if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6786             (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6787                 bnx2x__link_reset(bp);
6788
6789         /* Reset the chip */
6790         bnx2x_reset_chip(bp, reset_code);
6791
6792         /* Report UNLOAD_DONE to MCP */
6793         if (!BP_NOMCP(bp))
6794                 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6795         bp->port.pmf = 0;
6796
6797         /* Free SKBs, SGEs, TPA pool and driver internals */
6798         bnx2x_free_skbs(bp);
6799         for_each_queue(bp, i)
6800                 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6801         bnx2x_free_mem(bp);
6802
6803         bp->state = BNX2X_STATE_CLOSED;
6804
6805         netif_carrier_off(bp->dev);
6806
6807         return 0;
6808 }
6809
6810 static void bnx2x_reset_task(struct work_struct *work)
6811 {
6812         struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6813
6814 #ifdef BNX2X_STOP_ON_ERROR
6815         BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6816                   " so reset not done to allow debug dump,\n"
6817          KERN_ERR " you will need to reboot when done\n");
6818         return;
6819 #endif
6820
6821         rtnl_lock();
6822
6823         if (!netif_running(bp->dev))
6824                 goto reset_task_exit;
6825
6826         bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6827         bnx2x_nic_load(bp, LOAD_NORMAL);
6828
6829 reset_task_exit:
6830         rtnl_unlock();
6831 }
6832
6833 /* end of nic load/unload */
6834
6835 /* ethtool_ops */
6836
6837 /*
6838  * Init service functions
6839  */
6840
6841 static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
6842 {
6843         u32 val;
6844
6845         /* Check if there is any driver already loaded */
6846         val = REG_RD(bp, MISC_REG_UNPREPARED);
6847         if (val == 0x1) {
6848                 /* Check if it is the UNDI driver
6849                  * UNDI driver initializes CID offset for normal bell to 0x7
6850                  */
6851                 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6852                 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6853                 if (val == 0x7)
6854                         REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
6855                 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6856
6857                 if (val == 0x7) {
6858                         u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6859                         /* save our func */
6860                         int func = BP_FUNC(bp);
6861                         u32 swap_en;
6862                         u32 swap_val;
6863
6864                         BNX2X_DEV_INFO("UNDI is active! reset device\n");
6865
6866                         /* try unload UNDI on port 0 */
6867                         bp->func = 0;
6868                         bp->fw_seq =
6869                                (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6870                                 DRV_MSG_SEQ_NUMBER_MASK);
6871                         reset_code = bnx2x_fw_command(bp, reset_code);
6872
6873                         /* if UNDI is loaded on the other port */
6874                         if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6875
6876                                 /* send "DONE" for previous unload */
6877                                 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6878
6879                                 /* unload UNDI on port 1 */
6880                                 bp->func = 1;
6881                                 bp->fw_seq =
6882                                (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6883                                         DRV_MSG_SEQ_NUMBER_MASK);
6884                                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6885
6886                                 bnx2x_fw_command(bp, reset_code);
6887                         }
6888
6889                         REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6890                                     HC_REG_CONFIG_0), 0x1000);
6891
6892                         /* close input traffic and wait for it */
6893                         /* Do not rcv packets to BRB */
6894                         REG_WR(bp,
6895                               (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6896                                              NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6897                         /* Do not direct rcv packets that are not for MCP to
6898                          * the BRB */
6899                         REG_WR(bp,
6900                                (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6901                                               NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6902                         /* clear AEU */
6903                         REG_WR(bp,
6904                              (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6905                                             MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6906                         msleep(10);
6907
6908                         /* save NIG port swap info */
6909                         swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6910                         swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6911                         /* reset device */
6912                         REG_WR(bp,
6913                                GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6914                                0xd3ffffff);
6915                         REG_WR(bp,
6916                                GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6917                                0x1403);
6918                         /* take the NIG out of reset and restore swap values */
6919                         REG_WR(bp,
6920                                GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6921                                MISC_REGISTERS_RESET_REG_1_RST_NIG);
6922                         REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6923                         REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6924
6925                         /* send unload done to the MCP */
6926                         bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6927
6928                         /* restore our func and fw_seq */
6929                         bp->func = func;
6930                         bp->fw_seq =
6931                                (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6932                                 DRV_MSG_SEQ_NUMBER_MASK);
6933                 }
6934         }
6935 }
6936
6937 static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6938 {
6939         u32 val, val2, val3, val4, id;
6940         u16 pmc;
6941
6942         /* Get the chip revision id and number. */
6943         /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6944         val = REG_RD(bp, MISC_REG_CHIP_NUM);
6945         id = ((val & 0xffff) << 16);
6946         val = REG_RD(bp, MISC_REG_CHIP_REV);
6947         id |= ((val & 0xf) << 12);
6948         val = REG_RD(bp, MISC_REG_CHIP_METAL);
6949         id |= ((val & 0xff) << 4);
6950         REG_RD(bp, MISC_REG_BOND_ID);
6951         id |= (val & 0xf);
6952         bp->common.chip_id = id;
6953         bp->link_params.chip_id = bp->common.chip_id;
6954         BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6955
6956         val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6957         bp->common.flash_size = (NVRAM_1MB_SIZE <<
6958                                  (val & MCPR_NVM_CFG4_FLASH_SIZE));
6959         BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6960                        bp->common.flash_size, bp->common.flash_size);
6961
6962         bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6963         bp->link_params.shmem_base = bp->common.shmem_base;
6964         BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6965
6966         if (!bp->common.shmem_base ||
6967             (bp->common.shmem_base < 0xA0000) ||
6968             (bp->common.shmem_base >= 0xC0000)) {
6969                 BNX2X_DEV_INFO("MCP not active\n");
6970                 bp->flags |= NO_MCP_FLAG;
6971                 return;
6972         }
6973
6974         val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6975         if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6976                 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6977                 BNX2X_ERR("BAD MCP validity signature\n");
6978
6979         bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6980         bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6981
6982         BNX2X_DEV_INFO("hw_config 0x%08x  board 0x%08x\n",
6983                        bp->common.hw_config, bp->common.board);
6984
6985         bp->link_params.hw_led_mode = ((bp->common.hw_config &
6986                                         SHARED_HW_CFG_LED_MODE_MASK) >>
6987                                        SHARED_HW_CFG_LED_MODE_SHIFT);
6988
6989         val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6990         bp->common.bc_ver = val;
6991         BNX2X_DEV_INFO("bc_ver %X\n", val);
6992         if (val < BNX2X_BC_VER) {
6993                 /* for now only warn
6994                  * later we might need to enforce this */
6995                 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6996                           " please upgrade BC\n", BNX2X_BC_VER, val);
6997         }
6998
6999         if (BP_E1HVN(bp) == 0) {
7000                 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7001                 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7002         } else {
7003                 /* no WOL capability for E1HVN != 0 */
7004                 bp->flags |= NO_WOL_FLAG;
7005         }
7006         BNX2X_DEV_INFO("%sWoL capable\n",
7007                        (bp->flags & NO_WOL_FLAG) ? "Not " : "");
7008
7009         val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7010         val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7011         val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7012         val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7013
7014         printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
7015                val, val2, val3, val4);
7016 }
7017
7018 static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7019                                                     u32 switch_cfg)
7020 {
7021         int port = BP_PORT(bp);
7022         u32 ext_phy_type;
7023
7024         switch (switch_cfg) {
7025         case SWITCH_CFG_1G:
7026                 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
7027
7028                 ext_phy_type =
7029                         SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7030                 switch (ext_phy_type) {
7031                 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7032                         BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7033                                        ext_phy_type);
7034
7035                         bp->port.supported |= (SUPPORTED_10baseT_Half |
7036                                                SUPPORTED_10baseT_Full |
7037                                                SUPPORTED_100baseT_Half |
7038                                                SUPPORTED_100baseT_Full |
7039                                                SUPPORTED_1000baseT_Full |
7040                                                SUPPORTED_2500baseX_Full |
7041                                                SUPPORTED_TP |
7042                                                SUPPORTED_FIBRE |
7043                                                SUPPORTED_Autoneg |
7044                                                SUPPORTED_Pause |
7045                                                SUPPORTED_Asym_Pause);
7046                         break;
7047
7048                 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7049                         BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7050                                        ext_phy_type);
7051
7052                         bp->port.supported |= (SUPPORTED_10baseT_Half |
7053                                                SUPPORTED_10baseT_Full |
7054                                                SUPPORTED_100baseT_Half |
7055                                                SUPPORTED_100baseT_Full |
7056                                                SUPPORTED_1000baseT_Full |
7057                                                SUPPORTED_TP |
7058                                                SUPPORTED_FIBRE |
7059                                                SUPPORTED_Autoneg |
7060                                                SUPPORTED_Pause |
7061                                                SUPPORTED_Asym_Pause);
7062                         break;
7063
7064                 default:
7065                         BNX2X_ERR("NVRAM config error. "
7066                                   "BAD SerDes ext_phy_config 0x%x\n",
7067                                   bp->link_params.ext_phy_config);
7068                         return;
7069                 }
7070
7071                 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7072                                            port*0x10);
7073                 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7074                 break;
7075
7076         case SWITCH_CFG_10G:
7077                 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7078
7079                 ext_phy_type =
7080                         XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7081                 switch (ext_phy_type) {
7082                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7083                         BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7084                                        ext_phy_type);
7085
7086                         bp->port.supported |= (SUPPORTED_10baseT_Half |
7087                                                SUPPORTED_10baseT_Full |
7088                                                SUPPORTED_100baseT_Half |
7089                                                SUPPORTED_100baseT_Full |
7090                                                SUPPORTED_1000baseT_Full |
7091                                                SUPPORTED_2500baseX_Full |
7092                                                SUPPORTED_10000baseT_Full |
7093                                                SUPPORTED_TP |
7094                                                SUPPORTED_FIBRE |
7095                                                SUPPORTED_Autoneg |
7096                                                SUPPORTED_Pause |
7097                                                SUPPORTED_Asym_Pause);
7098                         break;
7099
7100                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7101                         BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
7102                                        ext_phy_type);
7103
7104                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7105                                                SUPPORTED_FIBRE |
7106                                                SUPPORTED_Pause |
7107                                                SUPPORTED_Asym_Pause);
7108                         break;
7109
7110                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7111                         BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7112                                        ext_phy_type);
7113
7114                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7115                                                SUPPORTED_1000baseT_Full |
7116                                                SUPPORTED_FIBRE |
7117                                                SUPPORTED_Pause |
7118                                                SUPPORTED_Asym_Pause);
7119                         break;
7120
7121                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7122                         BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7123                                        ext_phy_type);
7124
7125                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7126                                                SUPPORTED_1000baseT_Full |
7127                                                SUPPORTED_FIBRE |
7128                                                SUPPORTED_Autoneg |
7129                                                SUPPORTED_Pause |
7130                                                SUPPORTED_Asym_Pause);
7131                         break;
7132
7133                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7134                         BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7135                                        ext_phy_type);
7136
7137                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7138                                                SUPPORTED_2500baseX_Full |
7139                                                SUPPORTED_1000baseT_Full |
7140                                                SUPPORTED_FIBRE |
7141                                                SUPPORTED_Autoneg |
7142                                                SUPPORTED_Pause |
7143                                                SUPPORTED_Asym_Pause);
7144                         break;
7145
7146                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7147                         BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7148                                        ext_phy_type);
7149
7150                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7151                                                SUPPORTED_TP |
7152                                                SUPPORTED_Autoneg |
7153                                                SUPPORTED_Pause |
7154                                                SUPPORTED_Asym_Pause);
7155                         break;
7156
7157                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7158                         BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7159                                   bp->link_params.ext_phy_config);
7160                         break;
7161
7162                 default:
7163                         BNX2X_ERR("NVRAM config error. "
7164                                   "BAD XGXS ext_phy_config 0x%x\n",
7165                                   bp->link_params.ext_phy_config);
7166                         return;
7167                 }
7168
7169                 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7170                                            port*0x18);
7171                 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7172
7173                 break;
7174
7175         default:
7176                 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7177                           bp->port.link_config);
7178                 return;
7179         }
7180         bp->link_params.phy_addr = bp->port.phy_addr;
7181
7182         /* mask what we support according to speed_cap_mask */
7183         if (!(bp->link_params.speed_cap_mask &
7184                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7185                 bp->port.supported &= ~SUPPORTED_10baseT_Half;
7186
7187         if (!(bp->link_params.speed_cap_mask &
7188                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7189                 bp->port.supported &= ~SUPPORTED_10baseT_Full;
7190
7191         if (!(bp->link_params.speed_cap_mask &
7192                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7193                 bp->port.supported &= ~SUPPORTED_100baseT_Half;
7194
7195         if (!(bp->link_params.speed_cap_mask &
7196                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7197                 bp->port.supported &= ~SUPPORTED_100baseT_Full;
7198
7199         if (!(bp->link_params.speed_cap_mask &
7200                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7201                 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7202                                         SUPPORTED_1000baseT_Full);
7203
7204         if (!(bp->link_params.speed_cap_mask &
7205                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7206                 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
7207
7208         if (!(bp->link_params.speed_cap_mask &
7209                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
7210                 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
7211
7212         BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
7213 }
7214
7215 static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
7216 {
7217         bp->link_params.req_duplex = DUPLEX_FULL;
7218
7219         switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
7220         case PORT_FEATURE_LINK_SPEED_AUTO:
7221                 if (bp->port.supported & SUPPORTED_Autoneg) {
7222                         bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7223                         bp->port.advertising = bp->port.supported;
7224                 } else {
7225                         u32 ext_phy_type =
7226                             XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7227
7228                         if ((ext_phy_type ==
7229                              PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7230                             (ext_phy_type ==
7231                              PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
7232                                 /* force 10G, no AN */
7233                                 bp->link_params.req_line_speed = SPEED_10000;
7234                                 bp->port.advertising =
7235                                                 (ADVERTISED_10000baseT_Full |
7236                                                  ADVERTISED_FIBRE);
7237                                 break;
7238                         }
7239                         BNX2X_ERR("NVRAM config error. "
7240                                   "Invalid link_config 0x%x"
7241                                   "  Autoneg not supported\n",
7242                                   bp->port.link_config);
7243                         return;
7244                 }
7245                 break;
7246
7247         case PORT_FEATURE_LINK_SPEED_10M_FULL:
7248                 if (bp->port.supported & SUPPORTED_10baseT_Full) {
7249                         bp->link_params.req_line_speed = SPEED_10;
7250                         bp->port.advertising = (ADVERTISED_10baseT_Full |
7251                                                 ADVERTISED_TP);
7252                 } else {
7253                         BNX2X_ERR("NVRAM config error. "
7254                                   "Invalid link_config 0x%x"
7255                                   "  speed_cap_mask 0x%x\n",
7256                                   bp->port.link_config,
7257                                   bp->link_params.speed_cap_mask);
7258                         return;
7259                 }
7260                 break;
7261
7262         case PORT_FEATURE_LINK_SPEED_10M_HALF:
7263                 if (bp->port.supported & SUPPORTED_10baseT_Half) {
7264                         bp->link_params.req_line_speed = SPEED_10;
7265                         bp->link_params.req_duplex = DUPLEX_HALF;
7266                         bp->port.advertising = (ADVERTISED_10baseT_Half |
7267                                                 ADVERTISED_TP);
7268                 } else {
7269                         BNX2X_ERR("NVRAM config error. "
7270                                   "Invalid link_config 0x%x"
7271                                   "  speed_cap_mask 0x%x\n",
7272                                   bp->port.link_config,
7273                                   bp->link_params.speed_cap_mask);
7274                         return;
7275                 }
7276                 break;
7277
7278         case PORT_FEATURE_LINK_SPEED_100M_FULL:
7279                 if (bp->port.supported & SUPPORTED_100baseT_Full) {
7280                         bp->link_params.req_line_speed = SPEED_100;
7281                         bp->port.advertising = (ADVERTISED_100baseT_Full |
7282                                                 ADVERTISED_TP);
7283                 } else {
7284                         BNX2X_ERR("NVRAM config error. "
7285                                   "Invalid link_config 0x%x"
7286                                   "  speed_cap_mask 0x%x\n",
7287                                   bp->port.link_config,
7288                                   bp->link_params.speed_cap_mask);
7289                         return;
7290                 }
7291                 break;
7292
7293         case PORT_FEATURE_LINK_SPEED_100M_HALF:
7294                 if (bp->port.supported & SUPPORTED_100baseT_Half) {
7295                         bp->link_params.req_line_speed = SPEED_100;
7296                         bp->link_params.req_duplex = DUPLEX_HALF;
7297                         bp->port.advertising = (ADVERTISED_100baseT_Half |
7298                                                 ADVERTISED_TP);
7299                 } else {
7300                         BNX2X_ERR("NVRAM config error. "
7301                                   "Invalid link_config 0x%x"
7302                                   "  speed_cap_mask 0x%x\n",
7303                                   bp->port.link_config,
7304                                   bp->link_params.speed_cap_mask);
7305                         return;
7306                 }
7307                 break;
7308
7309         case PORT_FEATURE_LINK_SPEED_1G:
7310                 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
7311                         bp->link_params.req_line_speed = SPEED_1000;
7312                         bp->port.advertising = (ADVERTISED_1000baseT_Full |
7313                                                 ADVERTISED_TP);
7314                 } else {
7315                         BNX2X_ERR("NVRAM config error. "
7316                                   "Invalid link_config 0x%x"
7317                                   "  speed_cap_mask 0x%x\n",
7318                                   bp->port.link_config,
7319                                   bp->link_params.speed_cap_mask);
7320                         return;
7321                 }
7322                 break;
7323
7324         case PORT_FEATURE_LINK_SPEED_2_5G:
7325                 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
7326                         bp->link_params.req_line_speed = SPEED_2500;
7327                         bp->port.advertising = (ADVERTISED_2500baseX_Full |
7328                                                 ADVERTISED_TP);
7329                 } else {
7330                         BNX2X_ERR("NVRAM config error. "
7331                                   "Invalid link_config 0x%x"
7332                                   "  speed_cap_mask 0x%x\n",
7333                                   bp->port.link_config,
7334                                   bp->link_params.speed_cap_mask);
7335                         return;
7336                 }
7337                 break;
7338
7339         case PORT_FEATURE_LINK_SPEED_10G_CX4:
7340         case PORT_FEATURE_LINK_SPEED_10G_KX4:
7341         case PORT_FEATURE_LINK_SPEED_10G_KR:
7342                 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
7343                         bp->link_params.req_line_speed = SPEED_10000;
7344                         bp->port.advertising = (ADVERTISED_10000baseT_Full |
7345                                                 ADVERTISED_FIBRE);
7346                 } else {
7347                         BNX2X_ERR("NVRAM config error. "
7348                                   "Invalid link_config 0x%x"
7349                                   "  speed_cap_mask 0x%x\n",
7350                                   bp->port.link_config,
7351                                   bp->link_params.speed_cap_mask);
7352                         return;
7353                 }
7354                 break;
7355
7356         default:
7357                 BNX2X_ERR("NVRAM config error. "
7358                           "BAD link speed link_config 0x%x\n",
7359                           bp->port.link_config);
7360                 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7361                 bp->port.advertising = bp->port.supported;
7362                 break;
7363         }
7364
7365         bp->link_params.req_flow_ctrl = (bp->port.link_config &
7366                                          PORT_FEATURE_FLOW_CONTROL_MASK);
7367         if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
7368             !(bp->port.supported & SUPPORTED_Autoneg))
7369                 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
7370
7371         BNX2X_DEV_INFO("req_line_speed %d  req_duplex %d  req_flow_ctrl 0x%x"
7372                        "  advertising 0x%x\n",
7373                        bp->link_params.req_line_speed,
7374                        bp->link_params.req_duplex,
7375                        bp->link_params.req_flow_ctrl, bp->port.advertising);
7376 }
7377
7378 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
7379 {
7380         int port = BP_PORT(bp);
7381         u32 val, val2;
7382
7383         bp->link_params.bp = bp;
7384         bp->link_params.port = port;
7385
7386         bp->link_params.serdes_config =
7387                 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
7388         bp->link_params.lane_config =
7389                 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
7390         bp->link_params.ext_phy_config =
7391                 SHMEM_RD(bp,
7392                          dev_info.port_hw_config[port].external_phy_config);
7393         bp->link_params.speed_cap_mask =
7394                 SHMEM_RD(bp,
7395                          dev_info.port_hw_config[port].speed_capability_mask);
7396
7397         bp->port.link_config =
7398                 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7399
7400         BNX2X_DEV_INFO("serdes_config 0x%08x  lane_config 0x%08x\n"
7401              KERN_INFO "  ext_phy_config 0x%08x  speed_cap_mask 0x%08x"
7402                        "  link_config 0x%08x\n",
7403                        bp->link_params.serdes_config,
7404                        bp->link_params.lane_config,
7405                        bp->link_params.ext_phy_config,
7406                        bp->link_params.speed_cap_mask, bp->port.link_config);
7407
7408         bp->link_params.switch_cfg = (bp->port.link_config &
7409                                       PORT_FEATURE_CONNECTED_SWITCH_MASK);
7410         bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
7411
7412         bnx2x_link_settings_requested(bp);
7413
7414         val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7415         val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7416         bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7417         bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7418         bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7419         bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7420         bp->dev->dev_addr[4] = (u8)(val >> 8  & 0xff);
7421         bp->dev->dev_addr[5] = (u8)(val & 0xff);
7422         memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7423         memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7424 }
7425
7426 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7427 {
7428         int func = BP_FUNC(bp);
7429         u32 val, val2;
7430         int rc = 0;
7431
7432         bnx2x_get_common_hwinfo(bp);
7433
7434         bp->e1hov = 0;
7435         bp->e1hmf = 0;
7436         if (CHIP_IS_E1H(bp)) {
7437                 bp->mf_config =
7438                         SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
7439
7440                 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7441                        FUNC_MF_CFG_E1HOV_TAG_MASK);
7442                 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
7443
7444                         bp->e1hov = val;
7445                         bp->e1hmf = 1;
7446                         BNX2X_DEV_INFO("MF mode  E1HOV for func %d is %d "
7447                                        "(0x%04x)\n",
7448                                        func, bp->e1hov, bp->e1hov);
7449                 } else {
7450                         BNX2X_DEV_INFO("Single function mode\n");
7451                         if (BP_E1HVN(bp)) {
7452                                 BNX2X_ERR("!!!  No valid E1HOV for func %d,"
7453                                           "  aborting\n", func);
7454                                 rc = -EPERM;
7455                         }
7456                 }
7457         }
7458
7459         if (!BP_NOMCP(bp)) {
7460                 bnx2x_get_port_hwinfo(bp);
7461
7462                 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7463                               DRV_MSG_SEQ_NUMBER_MASK);
7464                 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7465         }
7466
7467         if (IS_E1HMF(bp)) {
7468                 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7469                 val = SHMEM_RD(bp,  mf_cfg.func_mf_config[func].mac_lower);
7470                 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7471                     (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7472                         bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7473                         bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7474                         bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7475                         bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7476                         bp->dev->dev_addr[4] = (u8)(val >> 8  & 0xff);
7477                         bp->dev->dev_addr[5] = (u8)(val & 0xff);
7478                         memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7479                                ETH_ALEN);
7480                         memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7481                                ETH_ALEN);
7482                 }
7483
7484                 return rc;
7485         }
7486
7487         if (BP_NOMCP(bp)) {
7488                 /* only supposed to happen on emulation/FPGA */
7489                 BNX2X_ERR("warning random MAC workaround active\n");
7490                 random_ether_addr(bp->dev->dev_addr);
7491                 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7492         }
7493
7494         return rc;
7495 }
7496
7497 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7498 {
7499         int func = BP_FUNC(bp);
7500         int rc;
7501
7502         /* Disable interrupt handling until HW is initialized */
7503         atomic_set(&bp->intr_sem, 1);
7504
7505         mutex_init(&bp->port.phy_mutex);
7506
7507         INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7508         INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7509
7510         rc = bnx2x_get_hwinfo(bp);
7511
7512         /* need to reset chip if undi was active */
7513         if (!BP_NOMCP(bp))
7514                 bnx2x_undi_unload(bp);
7515
7516         if (CHIP_REV_IS_FPGA(bp))
7517                 printk(KERN_ERR PFX "FPGA detected\n");
7518
7519         if (BP_NOMCP(bp) && (func == 0))
7520                 printk(KERN_ERR PFX
7521                        "MCP disabled, must load devices in order!\n");
7522
7523         /* Set TPA flags */
7524         if (disable_tpa) {
7525                 bp->flags &= ~TPA_ENABLE_FLAG;
7526                 bp->dev->features &= ~NETIF_F_LRO;
7527         } else {
7528                 bp->flags |= TPA_ENABLE_FLAG;
7529                 bp->dev->features |= NETIF_F_LRO;
7530         }
7531
7532
7533         bp->tx_ring_size = MAX_TX_AVAIL;
7534         bp->rx_ring_size = MAX_RX_AVAIL;
7535
7536         bp->rx_csum = 1;
7537         bp->rx_offset = 0;
7538
7539         bp->tx_ticks = 50;
7540         bp->rx_ticks = 25;
7541
7542         bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7543         bp->current_interval = (poll ? poll : bp->timer_interval);
7544
7545         init_timer(&bp->timer);
7546         bp->timer.expires = jiffies + bp->current_interval;
7547         bp->timer.data = (unsigned long) bp;
7548         bp->timer.function = bnx2x_timer;
7549
7550         return rc;
7551 }
7552
7553 /*
7554  * ethtool service functions
7555  */
7556
7557 /* All ethtool functions called with rtnl_lock */
7558
7559 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7560 {
7561         struct bnx2x *bp = netdev_priv(dev);
7562
7563         cmd->supported = bp->port.supported;
7564         cmd->advertising = bp->port.advertising;
7565
7566         if (netif_carrier_ok(dev)) {
7567                 cmd->speed = bp->link_vars.line_speed;
7568                 cmd->duplex = bp->link_vars.duplex;
7569         } else {
7570                 cmd->speed = bp->link_params.req_line_speed;
7571                 cmd->duplex = bp->link_params.req_duplex;
7572         }
7573         if (IS_E1HMF(bp)) {
7574                 u16 vn_max_rate;
7575
7576                 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7577                                 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7578                 if (vn_max_rate < cmd->speed)
7579                         cmd->speed = vn_max_rate;
7580         }
7581
7582         if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7583                 u32 ext_phy_type =
7584                         XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7585
7586                 switch (ext_phy_type) {
7587                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7588                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7589                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7590                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7591                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7592                         cmd->port = PORT_FIBRE;
7593                         break;
7594
7595                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7596                         cmd->port = PORT_TP;
7597                         break;
7598
7599                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7600                         BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7601                                   bp->link_params.ext_phy_config);
7602                         break;
7603
7604                 default:
7605                         DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
7606                            bp->link_params.ext_phy_config);
7607                         break;
7608                 }
7609         } else
7610                 cmd->port = PORT_TP;
7611
7612         cmd->phy_address = bp->port.phy_addr;
7613         cmd->transceiver = XCVR_INTERNAL;
7614
7615         if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
7616                 cmd->autoneg = AUTONEG_ENABLE;
7617         else
7618                 cmd->autoneg = AUTONEG_DISABLE;
7619
7620         cmd->maxtxpkt = 0;
7621         cmd->maxrxpkt = 0;
7622
7623         DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7624            DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %d\n"
7625            DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
7626            DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
7627            cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7628            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7629            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7630
7631         return 0;
7632 }
7633
7634 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7635 {
7636         struct bnx2x *bp = netdev_priv(dev);
7637         u32 advertising;
7638
7639         if (IS_E1HMF(bp))
7640                 return 0;
7641
7642         DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7643            DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %d\n"
7644            DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
7645            DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
7646            cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7647            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7648            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7649
7650         if (cmd->autoneg == AUTONEG_ENABLE) {
7651                 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7652                         DP(NETIF_MSG_LINK, "Autoneg not supported\n");
7653                         return -EINVAL;
7654                 }
7655
7656                 /* advertise the requested speed and duplex if supported */
7657                 cmd->advertising &= bp->port.supported;
7658
7659                 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7660                 bp->link_params.req_duplex = DUPLEX_FULL;
7661                 bp->port.advertising |= (ADVERTISED_Autoneg |
7662                                          cmd->advertising);
7663
7664         } else { /* forced speed */
7665                 /* advertise the requested speed and duplex if supported */
7666                 switch (cmd->speed) {
7667                 case SPEED_10:
7668                         if (cmd->duplex == DUPLEX_FULL) {
7669                                 if (!(bp->port.supported &
7670                                       SUPPORTED_10baseT_Full)) {
7671                                         DP(NETIF_MSG_LINK,
7672                                            "10M full not supported\n");
7673                                         return -EINVAL;
7674                                 }
7675
7676                                 advertising = (ADVERTISED_10baseT_Full |
7677                                                ADVERTISED_TP);
7678                         } else {
7679                                 if (!(bp->port.supported &
7680                                       SUPPORTED_10baseT_Half)) {
7681                                         DP(NETIF_MSG_LINK,
7682                                            "10M half not supported\n");
7683                                         return -EINVAL;
7684                                 }
7685
7686                                 advertising = (ADVERTISED_10baseT_Half |
7687                                                ADVERTISED_TP);
7688                         }
7689                         break;
7690
7691                 case SPEED_100:
7692                         if (cmd->duplex == DUPLEX_FULL) {
7693                                 if (!(bp->port.supported &
7694                                                 SUPPORTED_100baseT_Full)) {
7695                                         DP(NETIF_MSG_LINK,
7696                                            "100M full not supported\n");
7697                                         return -EINVAL;
7698                                 }
7699
7700                                 advertising = (ADVERTISED_100baseT_Full |
7701                                                ADVERTISED_TP);
7702                         } else {
7703                                 if (!(bp->port.supported &
7704                                                 SUPPORTED_100baseT_Half)) {
7705                                         DP(NETIF_MSG_LINK,
7706                                            "100M half not supported\n");
7707                                         return -EINVAL;
7708                                 }
7709
7710                                 advertising = (ADVERTISED_100baseT_Half |
7711                                                ADVERTISED_TP);
7712                         }
7713                         break;
7714
7715                 case SPEED_1000:
7716                         if (cmd->duplex != DUPLEX_FULL) {
7717                                 DP(NETIF_MSG_LINK, "1G half not supported\n");
7718                                 return -EINVAL;
7719                         }
7720
7721                         if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
7722                                 DP(NETIF_MSG_LINK, "1G full not supported\n");
7723                                 return -EINVAL;
7724                         }
7725
7726                         advertising = (ADVERTISED_1000baseT_Full |
7727                                        ADVERTISED_TP);
7728                         break;
7729
7730                 case SPEED_2500:
7731                         if (cmd->duplex != DUPLEX_FULL) {
7732                                 DP(NETIF_MSG_LINK,
7733                                    "2.5G half not supported\n");
7734                                 return -EINVAL;
7735                         }
7736
7737                         if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
7738                                 DP(NETIF_MSG_LINK,
7739                                    "2.5G full not supported\n");
7740                                 return -EINVAL;
7741                         }
7742
7743                         advertising = (ADVERTISED_2500baseX_Full |
7744                                        ADVERTISED_TP);
7745                         break;
7746
7747                 case SPEED_10000:
7748                         if (cmd->duplex != DUPLEX_FULL) {
7749                                 DP(NETIF_MSG_LINK, "10G half not supported\n");
7750                                 return -EINVAL;
7751                         }
7752
7753                         if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
7754                                 DP(NETIF_MSG_LINK, "10G full not supported\n");
7755                                 return -EINVAL;
7756                         }
7757
7758                         advertising = (ADVERTISED_10000baseT_Full |
7759                                        ADVERTISED_FIBRE);
7760                         break;
7761
7762                 default:
7763                         DP(NETIF_MSG_LINK, "Unsupported speed\n");
7764                         return -EINVAL;
7765                 }
7766
7767                 bp->link_params.req_line_speed = cmd->speed;
7768                 bp->link_params.req_duplex = cmd->duplex;
7769                 bp->port.advertising = advertising;
7770         }
7771
7772         DP(NETIF_MSG_LINK, "req_line_speed %d\n"
7773            DP_LEVEL "  req_duplex %d  advertising 0x%x\n",
7774            bp->link_params.req_line_speed, bp->link_params.req_duplex,
7775            bp->port.advertising);
7776
7777         if (netif_running(dev)) {
7778                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7779                 bnx2x_link_set(bp);
7780         }
7781
7782         return 0;
7783 }
7784
7785 #define PHY_FW_VER_LEN                  10
7786
7787 static void bnx2x_get_drvinfo(struct net_device *dev,
7788                               struct ethtool_drvinfo *info)
7789 {
7790         struct bnx2x *bp = netdev_priv(dev);
7791         u8 phy_fw_ver[PHY_FW_VER_LEN];
7792
7793         strcpy(info->driver, DRV_MODULE_NAME);
7794         strcpy(info->version, DRV_MODULE_VERSION);
7795
7796         phy_fw_ver[0] = '\0';
7797         if (bp->port.pmf) {
7798                 bnx2x_acquire_phy_lock(bp);
7799                 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7800                                              (bp->state != BNX2X_STATE_CLOSED),
7801                                              phy_fw_ver, PHY_FW_VER_LEN);
7802                 bnx2x_release_phy_lock(bp);
7803         }
7804
7805         snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7806                  (bp->common.bc_ver & 0xff0000) >> 16,
7807                  (bp->common.bc_ver & 0xff00) >> 8,
7808                  (bp->common.bc_ver & 0xff),
7809                  ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
7810         strcpy(info->bus_info, pci_name(bp->pdev));
7811         info->n_stats = BNX2X_NUM_STATS;
7812         info->testinfo_len = BNX2X_NUM_TESTS;
7813         info->eedump_len = bp->common.flash_size;
7814         info->regdump_len = 0;
7815 }
7816
7817 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7818 {
7819         struct bnx2x *bp = netdev_priv(dev);
7820
7821         if (bp->flags & NO_WOL_FLAG) {
7822                 wol->supported = 0;
7823                 wol->wolopts = 0;
7824         } else {
7825                 wol->supported = WAKE_MAGIC;
7826                 if (bp->wol)
7827                         wol->wolopts = WAKE_MAGIC;
7828                 else
7829                         wol->wolopts = 0;
7830         }
7831         memset(&wol->sopass, 0, sizeof(wol->sopass));
7832 }
7833
7834 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7835 {
7836         struct bnx2x *bp = netdev_priv(dev);
7837
7838         if (wol->wolopts & ~WAKE_MAGIC)
7839                 return -EINVAL;
7840
7841         if (wol->wolopts & WAKE_MAGIC) {
7842                 if (bp->flags & NO_WOL_FLAG)
7843                         return -EINVAL;
7844
7845                 bp->wol = 1;
7846         } else
7847                 bp->wol = 0;
7848
7849         return 0;
7850 }
7851
7852 static u32 bnx2x_get_msglevel(struct net_device *dev)
7853 {
7854         struct bnx2x *bp = netdev_priv(dev);
7855
7856         return bp->msglevel;
7857 }
7858
7859 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7860 {
7861         struct bnx2x *bp = netdev_priv(dev);
7862
7863         if (capable(CAP_NET_ADMIN))
7864                 bp->msglevel = level;
7865 }
7866
7867 static int bnx2x_nway_reset(struct net_device *dev)
7868 {
7869         struct bnx2x *bp = netdev_priv(dev);
7870
7871         if (!bp->port.pmf)
7872                 return 0;
7873
7874         if (netif_running(dev)) {
7875                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7876                 bnx2x_link_set(bp);
7877         }
7878
7879         return 0;
7880 }
7881
7882 static int bnx2x_get_eeprom_len(struct net_device *dev)
7883 {
7884         struct bnx2x *bp = netdev_priv(dev);
7885
7886         return bp->common.flash_size;
7887 }
7888
7889 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7890 {
7891         int port = BP_PORT(bp);
7892         int count, i;
7893         u32 val = 0;
7894
7895         /* adjust timeout for emulation/FPGA */
7896         count = NVRAM_TIMEOUT_COUNT;
7897         if (CHIP_REV_IS_SLOW(bp))
7898                 count *= 100;
7899
7900         /* request access to nvram interface */
7901         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7902                (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7903
7904         for (i = 0; i < count*10; i++) {
7905                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7906                 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7907                         break;
7908
7909                 udelay(5);
7910         }
7911
7912         if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
7913                 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
7914                 return -EBUSY;
7915         }
7916
7917         return 0;
7918 }
7919
7920 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7921 {
7922         int port = BP_PORT(bp);
7923         int count, i;
7924         u32 val = 0;
7925
7926         /* adjust timeout for emulation/FPGA */
7927         count = NVRAM_TIMEOUT_COUNT;
7928         if (CHIP_REV_IS_SLOW(bp))
7929                 count *= 100;
7930
7931         /* relinquish nvram interface */
7932         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7933                (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7934
7935         for (i = 0; i < count*10; i++) {
7936                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7937                 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7938                         break;
7939
7940                 udelay(5);
7941         }
7942
7943         if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
7944                 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
7945                 return -EBUSY;
7946         }
7947
7948         return 0;
7949 }
7950
7951 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7952 {
7953         u32 val;
7954
7955         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7956
7957         /* enable both bits, even on read */
7958         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7959                (val | MCPR_NVM_ACCESS_ENABLE_EN |
7960                       MCPR_NVM_ACCESS_ENABLE_WR_EN));
7961 }
7962
7963 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7964 {
7965         u32 val;
7966
7967         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7968
7969         /* disable both bits, even after read */
7970         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7971                (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7972                         MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7973 }
7974
7975 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7976                                   u32 cmd_flags)
7977 {
7978         int count, i, rc;
7979         u32 val;
7980
7981         /* build the command word */
7982         cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7983
7984         /* need to clear DONE bit separately */
7985         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7986
7987         /* address of the NVRAM to read from */
7988         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7989                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7990
7991         /* issue a read command */
7992         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7993
7994         /* adjust timeout for emulation/FPGA */
7995         count = NVRAM_TIMEOUT_COUNT;
7996         if (CHIP_REV_IS_SLOW(bp))
7997                 count *= 100;
7998
7999         /* wait for completion */
8000         *ret_val = 0;
8001         rc = -EBUSY;
8002         for (i = 0; i < count; i++) {
8003                 udelay(5);
8004                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8005
8006                 if (val & MCPR_NVM_COMMAND_DONE) {
8007                         val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
8008                         /* we read nvram data in cpu order
8009                          * but ethtool sees it as an array of bytes
8010                          * converting to big-endian will do the work */
8011                         val = cpu_to_be32(val);
8012                         *ret_val = val;
8013                         rc = 0;
8014                         break;
8015                 }
8016         }
8017
8018         return rc;
8019 }
8020
8021 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
8022                             int buf_size)
8023 {
8024         int rc;
8025         u32 cmd_flags;
8026         u32 val;
8027
8028         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8029                 DP(BNX2X_MSG_NVM,
8030                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
8031                    offset, buf_size);
8032                 return -EINVAL;
8033         }
8034
8035         if (offset + buf_size > bp->common.flash_size) {
8036                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8037                                   " buf_size (0x%x) > flash_size (0x%x)\n",
8038                    offset, buf_size, bp->common.flash_size);
8039                 return -EINVAL;
8040         }
8041
8042         /* request access to nvram interface */
8043         rc = bnx2x_acquire_nvram_lock(bp);
8044         if (rc)
8045                 return rc;
8046
8047         /* enable access to nvram interface */
8048         bnx2x_enable_nvram_access(bp);
8049
8050         /* read the first word(s) */
8051         cmd_flags = MCPR_NVM_COMMAND_FIRST;
8052         while ((buf_size > sizeof(u32)) && (rc == 0)) {
8053                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8054                 memcpy(ret_buf, &val, 4);
8055
8056                 /* advance to the next dword */
8057                 offset += sizeof(u32);
8058                 ret_buf += sizeof(u32);
8059                 buf_size -= sizeof(u32);
8060                 cmd_flags = 0;
8061         }
8062
8063         if (rc == 0) {
8064                 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8065                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8066                 memcpy(ret_buf, &val, 4);
8067         }
8068
8069         /* disable access to nvram interface */
8070         bnx2x_disable_nvram_access(bp);
8071         bnx2x_release_nvram_lock(bp);
8072
8073         return rc;
8074 }
8075
8076 static int bnx2x_get_eeprom(struct net_device *dev,
8077                             struct ethtool_eeprom *eeprom, u8 *eebuf)
8078 {
8079         struct bnx2x *bp = netdev_priv(dev);
8080         int rc;
8081
8082         DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8083            DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
8084            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8085            eeprom->len, eeprom->len);
8086
8087         /* parameters already validated in ethtool_get_eeprom */
8088
8089         rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8090
8091         return rc;
8092 }
8093
8094 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8095                                    u32 cmd_flags)
8096 {
8097         int count, i, rc;
8098
8099         /* build the command word */
8100         cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8101
8102         /* need to clear DONE bit separately */
8103         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8104
8105         /* write the data */
8106         REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8107
8108         /* address of the NVRAM to write to */
8109         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8110                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8111
8112         /* issue the write command */
8113         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8114
8115         /* adjust timeout for emulation/FPGA */
8116         count = NVRAM_TIMEOUT_COUNT;
8117         if (CHIP_REV_IS_SLOW(bp))
8118                 count *= 100;
8119
8120         /* wait for completion */
8121         rc = -EBUSY;
8122         for (i = 0; i < count; i++) {
8123                 udelay(5);
8124                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8125                 if (val & MCPR_NVM_COMMAND_DONE) {
8126                         rc = 0;
8127                         break;
8128                 }
8129         }
8130
8131         return rc;
8132 }
8133
8134 #define BYTE_OFFSET(offset)             (8 * (offset & 0x03))
8135
8136 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8137                               int buf_size)
8138 {
8139         int rc;
8140         u32 cmd_flags;
8141         u32 align_offset;
8142         u32 val;
8143
8144         if (offset + buf_size > bp->common.flash_size) {
8145                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8146                                   " buf_size (0x%x) > flash_size (0x%x)\n",
8147                    offset, buf_size, bp->common.flash_size);
8148                 return -EINVAL;
8149         }
8150
8151         /* request access to nvram interface */
8152         rc = bnx2x_acquire_nvram_lock(bp);
8153         if (rc)
8154                 return rc;
8155
8156         /* enable access to nvram interface */
8157         bnx2x_enable_nvram_access(bp);
8158
8159         cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8160         align_offset = (offset & ~0x03);
8161         rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8162
8163         if (rc == 0) {
8164                 val &= ~(0xff << BYTE_OFFSET(offset));
8165                 val |= (*data_buf << BYTE_OFFSET(offset));
8166
8167                 /* nvram data is returned as an array of bytes
8168                  * convert it back to cpu order */
8169                 val = be32_to_cpu(val);
8170
8171                 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8172                                              cmd_flags);
8173         }
8174
8175         /* disable access to nvram interface */
8176         bnx2x_disable_nvram_access(bp);
8177         bnx2x_release_nvram_lock(bp);
8178
8179         return rc;
8180 }
8181
8182 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8183                              int buf_size)
8184 {
8185         int rc;
8186         u32 cmd_flags;
8187         u32 val;
8188         u32 written_so_far;
8189
8190         if (buf_size == 1)      /* ethtool */
8191                 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
8192
8193         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8194                 DP(BNX2X_MSG_NVM,
8195                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
8196                    offset, buf_size);
8197                 return -EINVAL;
8198         }
8199
8200         if (offset + buf_size > bp->common.flash_size) {
8201                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8202                                   " buf_size (0x%x) > flash_size (0x%x)\n",
8203                    offset, buf_size, bp->common.flash_size);
8204                 return -EINVAL;
8205         }
8206
8207         /* request access to nvram interface */
8208         rc = bnx2x_acquire_nvram_lock(bp);
8209         if (rc)
8210                 return rc;
8211
8212         /* enable access to nvram interface */
8213         bnx2x_enable_nvram_access(bp);
8214
8215         written_so_far = 0;
8216         cmd_flags = MCPR_NVM_COMMAND_FIRST;
8217         while ((written_so_far < buf_size) && (rc == 0)) {
8218                 if (written_so_far == (buf_size - sizeof(u32)))
8219                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
8220                 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8221                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
8222                 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8223                         cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8224
8225                 memcpy(&val, data_buf, 4);
8226
8227                 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8228
8229                 /* advance to the next dword */
8230                 offset += sizeof(u32);
8231                 data_buf += sizeof(u32);
8232                 written_so_far += sizeof(u32);
8233                 cmd_flags = 0;
8234         }
8235
8236         /* disable access to nvram interface */
8237         bnx2x_disable_nvram_access(bp);
8238         bnx2x_release_nvram_lock(bp);
8239
8240         return rc;
8241 }
8242
8243 static int bnx2x_set_eeprom(struct net_device *dev,
8244                             struct ethtool_eeprom *eeprom, u8 *eebuf)
8245 {
8246         struct bnx2x *bp = netdev_priv(dev);
8247         int rc;
8248
8249         DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8250            DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
8251            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8252            eeprom->len, eeprom->len);
8253
8254         /* parameters already validated in ethtool_set_eeprom */
8255
8256         /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
8257         if (eeprom->magic == 0x00504859)
8258                 if (bp->port.pmf) {
8259
8260                         bnx2x_acquire_phy_lock(bp);
8261                         rc = bnx2x_flash_download(bp, BP_PORT(bp),
8262                                              bp->link_params.ext_phy_config,
8263                                              (bp->state != BNX2X_STATE_CLOSED),
8264                                              eebuf, eeprom->len);
8265                         if ((bp->state == BNX2X_STATE_OPEN) ||
8266                             (bp->state == BNX2X_STATE_DISABLED)) {
8267                                 rc |= bnx2x_link_reset(&bp->link_params,
8268                                                        &bp->link_vars);
8269                                 rc |= bnx2x_phy_init(&bp->link_params,
8270                                                      &bp->link_vars);
8271                         }
8272                         bnx2x_release_phy_lock(bp);
8273
8274                 } else /* Only the PMF can access the PHY */
8275                         return -EINVAL;
8276         else
8277                 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
8278
8279         return rc;
8280 }
8281
8282 static int bnx2x_get_coalesce(struct net_device *dev,
8283                               struct ethtool_coalesce *coal)
8284 {
8285         struct bnx2x *bp = netdev_priv(dev);
8286
8287         memset(coal, 0, sizeof(struct ethtool_coalesce));
8288
8289         coal->rx_coalesce_usecs = bp->rx_ticks;
8290         coal->tx_coalesce_usecs = bp->tx_ticks;
8291
8292         return 0;
8293 }
8294
8295 static int bnx2x_set_coalesce(struct net_device *dev,
8296                               struct ethtool_coalesce *coal)
8297 {
8298         struct bnx2x *bp = netdev_priv(dev);
8299
8300         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8301         if (bp->rx_ticks > 3000)
8302                 bp->rx_ticks = 3000;
8303
8304         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8305         if (bp->tx_ticks > 0x3000)
8306                 bp->tx_ticks = 0x3000;
8307
8308         if (netif_running(dev))
8309                 bnx2x_update_coalesce(bp);
8310
8311         return 0;
8312 }
8313
8314 static void bnx2x_get_ringparam(struct net_device *dev,
8315                                 struct ethtool_ringparam *ering)
8316 {
8317         struct bnx2x *bp = netdev_priv(dev);
8318
8319         ering->rx_max_pending = MAX_RX_AVAIL;
8320         ering->rx_mini_max_pending = 0;
8321         ering->rx_jumbo_max_pending = 0;
8322
8323         ering->rx_pending = bp->rx_ring_size;
8324         ering->rx_mini_pending = 0;
8325         ering->rx_jumbo_pending = 0;
8326
8327         ering->tx_max_pending = MAX_TX_AVAIL;
8328         ering->tx_pending = bp->tx_ring_size;
8329 }
8330
8331 static int bnx2x_set_ringparam(struct net_device *dev,
8332                                struct ethtool_ringparam *ering)
8333 {
8334         struct bnx2x *bp = netdev_priv(dev);
8335         int rc = 0;
8336
8337         if ((ering->rx_pending > MAX_RX_AVAIL) ||
8338             (ering->tx_pending > MAX_TX_AVAIL) ||
8339             (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8340                 return -EINVAL;
8341
8342         bp->rx_ring_size = ering->rx_pending;
8343         bp->tx_ring_size = ering->tx_pending;
8344
8345         if (netif_running(dev)) {
8346                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8347                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8348         }
8349
8350         return rc;
8351 }
8352
8353 static void bnx2x_get_pauseparam(struct net_device *dev,
8354                                  struct ethtool_pauseparam *epause)
8355 {
8356         struct bnx2x *bp = netdev_priv(dev);
8357
8358         epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8359                           (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8360
8361         epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8362                             FLOW_CTRL_RX);
8363         epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8364                             FLOW_CTRL_TX);
8365
8366         DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8367            DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
8368            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8369 }
8370
8371 static int bnx2x_set_pauseparam(struct net_device *dev,
8372                                 struct ethtool_pauseparam *epause)
8373 {
8374         struct bnx2x *bp = netdev_priv(dev);
8375
8376         if (IS_E1HMF(bp))
8377                 return 0;
8378
8379         DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8380            DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
8381            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8382
8383         bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8384
8385         if (epause->rx_pause)
8386                 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8387
8388         if (epause->tx_pause)
8389                 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8390
8391         if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8392                 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
8393
8394         if (epause->autoneg) {
8395                 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
8396                         DP(NETIF_MSG_LINK, "autoneg not supported\n");
8397                         return -EINVAL;
8398                 }
8399
8400                 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8401                         bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8402         }
8403
8404         DP(NETIF_MSG_LINK,
8405            "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
8406
8407         if (netif_running(dev)) {
8408                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
8409                 bnx2x_link_set(bp);
8410         }
8411
8412         return 0;
8413 }
8414
8415 static int bnx2x_set_flags(struct net_device *dev, u32 data)
8416 {
8417         struct bnx2x *bp = netdev_priv(dev);
8418         int changed = 0;
8419         int rc = 0;
8420
8421         /* TPA requires Rx CSUM offloading */
8422         if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8423                 if (!(dev->features & NETIF_F_LRO)) {
8424                         dev->features |= NETIF_F_LRO;
8425                         bp->flags |= TPA_ENABLE_FLAG;
8426                         changed = 1;
8427                 }
8428
8429         } else if (dev->features & NETIF_F_LRO) {
8430                 dev->features &= ~NETIF_F_LRO;
8431                 bp->flags &= ~TPA_ENABLE_FLAG;
8432                 changed = 1;
8433         }
8434
8435         if (changed && netif_running(dev)) {
8436                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8437                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8438         }
8439
8440         return rc;
8441 }
8442
8443 static u32 bnx2x_get_rx_csum(struct net_device *dev)
8444 {
8445         struct bnx2x *bp = netdev_priv(dev);
8446
8447         return bp->rx_csum;
8448 }
8449
8450 static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8451 {
8452         struct bnx2x *bp = netdev_priv(dev);
8453         int rc = 0;
8454
8455         bp->rx_csum = data;
8456
8457         /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8458            TPA'ed packets will be discarded due to wrong TCP CSUM */
8459         if (!data) {
8460                 u32 flags = ethtool_op_get_flags(dev);
8461
8462                 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8463         }
8464
8465         return rc;
8466 }
8467
8468 static int bnx2x_set_tso(struct net_device *dev, u32 data)
8469 {
8470         if (data) {
8471                 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
8472                 dev->features |= NETIF_F_TSO6;
8473         } else {
8474                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
8475                 dev->features &= ~NETIF_F_TSO6;
8476         }
8477
8478         return 0;
8479 }
8480
8481 static const struct {
8482         char string[ETH_GSTRING_LEN];
8483 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
8484         { "register_test (offline)" },
8485         { "memory_test (offline)" },
8486         { "loopback_test (offline)" },
8487         { "nvram_test (online)" },
8488         { "interrupt_test (online)" },
8489         { "link_test (online)" },
8490         { "idle check (online)" },
8491         { "MC errors (online)" }
8492 };
8493
8494 static int bnx2x_self_test_count(struct net_device *dev)
8495 {
8496         return BNX2X_NUM_TESTS;
8497 }
8498
8499 static int bnx2x_test_registers(struct bnx2x *bp)
8500 {
8501         int idx, i, rc = -ENODEV;
8502         u32 wr_val = 0;
8503         int port = BP_PORT(bp);
8504         static const struct {
8505                 u32  offset0;
8506                 u32  offset1;
8507                 u32  mask;
8508         } reg_tbl[] = {
8509 /* 0 */         { BRB1_REG_PAUSE_LOW_THRESHOLD_0,      4, 0x000003ff },
8510                 { DORQ_REG_DB_ADDR0,                   4, 0xffffffff },
8511                 { HC_REG_AGG_INT_0,                    4, 0x000003ff },
8512                 { PBF_REG_MAC_IF0_ENABLE,              4, 0x00000001 },
8513                 { PBF_REG_P0_INIT_CRD,                 4, 0x000007ff },
8514                 { PRS_REG_CID_PORT_0,                  4, 0x00ffffff },
8515                 { PXP2_REG_PSWRQ_CDU0_L2P,             4, 0x000fffff },
8516                 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR,    8, 0x0003ffff },
8517                 { PXP2_REG_PSWRQ_TM0_L2P,              4, 0x000fffff },
8518                 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR,   8, 0x0003ffff },
8519 /* 10 */        { PXP2_REG_PSWRQ_TSDM0_L2P,            4, 0x000fffff },
8520                 { QM_REG_CONNNUM_0,                    4, 0x000fffff },
8521                 { TM_REG_LIN0_MAX_ACTIVE_CID,          4, 0x0003ffff },
8522                 { SRC_REG_KEYRSS0_0,                  40, 0xffffffff },
8523                 { SRC_REG_KEYRSS0_7,                  40, 0xffffffff },
8524                 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8525                 { XCM_REG_WU_DA_CNT_CMD00,             4, 0x00000003 },
8526                 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0,       4, 0x000000ff },
8527                 { NIG_REG_EGRESS_MNG0_FIFO,           20, 0xffffffff },
8528                 { NIG_REG_LLH0_T_BIT,                  4, 0x00000001 },
8529 /* 20 */        { NIG_REG_EMAC0_IN_EN,                 4, 0x00000001 },
8530                 { NIG_REG_BMAC0_IN_EN,                 4, 0x00000001 },
8531                 { NIG_REG_XCM0_OUT_EN,                 4, 0x00000001 },
8532                 { NIG_REG_BRB0_OUT_EN,                 4, 0x00000001 },
8533                 { NIG_REG_LLH0_XCM_MASK,               4, 0x00000007 },
8534                 { NIG_REG_LLH0_ACPI_PAT_6_LEN,        68, 0x000000ff },
8535                 { NIG_REG_LLH0_ACPI_PAT_0_CRC,        68, 0xffffffff },
8536                 { NIG_REG_LLH0_DEST_MAC_0_0,         160, 0xffffffff },
8537                 { NIG_REG_LLH0_DEST_IP_0_1,          160, 0xffffffff },
8538                 { NIG_REG_LLH0_IPV4_IPV6_0,          160, 0x00000001 },
8539 /* 30 */        { NIG_REG_LLH0_DEST_UDP_0,           160, 0x0000ffff },
8540                 { NIG_REG_LLH0_DEST_TCP_0,           160, 0x0000ffff },
8541                 { NIG_REG_LLH0_VLAN_ID_0,            160, 0x00000fff },
8542                 { NIG_REG_XGXS_SERDES0_MODE_SEL,       4, 0x00000001 },
8543                 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8544                 { NIG_REG_STATUS_INTERRUPT_PORT0,      4, 0x07ffffff },
8545                 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8546                 { NIG_REG_SERDES0_CTRL_PHY_ADDR,      16, 0x0000001f },
8547
8548                 { 0xffffffff, 0, 0x00000000 }
8549         };
8550
8551         if (!netif_running(bp->dev))
8552                 return rc;
8553
8554         /* Repeat the test twice:
8555            First by writing 0x00000000, second by writing 0xffffffff */
8556         for (idx = 0; idx < 2; idx++) {
8557
8558                 switch (idx) {
8559                 case 0:
8560                         wr_val = 0;
8561                         break;
8562                 case 1:
8563                         wr_val = 0xffffffff;
8564                         break;
8565                 }
8566
8567                 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8568                         u32 offset, mask, save_val, val;
8569
8570                         offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8571                         mask = reg_tbl[i].mask;
8572
8573                         save_val = REG_RD(bp, offset);
8574
8575                         REG_WR(bp, offset, wr_val);
8576                         val = REG_RD(bp, offset);
8577
8578                         /* Restore the original register's value */
8579                         REG_WR(bp, offset, save_val);
8580
8581                         /* verify that value is as expected value */
8582                         if ((val & mask) != (wr_val & mask))
8583                                 goto test_reg_exit;
8584                 }
8585         }
8586
8587         rc = 0;
8588
8589 test_reg_exit:
8590         return rc;
8591 }
8592
8593 static int bnx2x_test_memory(struct bnx2x *bp)
8594 {
8595         int i, j, rc = -ENODEV;
8596         u32 val;
8597         static const struct {
8598                 u32 offset;
8599                 int size;
8600         } mem_tbl[] = {
8601                 { CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
8602                 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8603                 { CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
8604                 { DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
8605                 { TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
8606                 { UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
8607                 { XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },
8608
8609                 { 0xffffffff, 0 }
8610         };
8611         static const struct {
8612                 char *name;
8613                 u32 offset;
8614                 u32 e1_mask;
8615                 u32 e1h_mask;
8616         } prty_tbl[] = {
8617                 { "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,   0x3ffc0, 0 },
8618                 { "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,   0x2,     0x2 },
8619                 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0,       0 },
8620                 { "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,   0x3ffc0, 0 },
8621                 { "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,   0x3ffc0, 0 },
8622                 { "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,   0x3ffc1, 0 },
8623
8624                 { NULL, 0xffffffff, 0, 0 }
8625         };
8626
8627         if (!netif_running(bp->dev))
8628                 return rc;
8629
8630         /* Go through all the memories */
8631         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8632                 for (j = 0; j < mem_tbl[i].size; j++)
8633                         REG_RD(bp, mem_tbl[i].offset + j*4);
8634
8635         /* Check the parity status */
8636         for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8637                 val = REG_RD(bp, prty_tbl[i].offset);
8638                 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8639                     (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
8640                         DP(NETIF_MSG_HW,
8641                            "%s is 0x%x\n", prty_tbl[i].name, val);
8642                         goto test_mem_exit;
8643                 }
8644         }
8645
8646         rc = 0;
8647
8648 test_mem_exit:
8649         return rc;
8650 }
8651
8652 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8653 {
8654         int cnt = 1000;
8655
8656         if (link_up)
8657                 while (bnx2x_link_test(bp) && cnt--)
8658                         msleep(10);
8659 }
8660
8661 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8662 {
8663         unsigned int pkt_size, num_pkts, i;
8664         struct sk_buff *skb;
8665         unsigned char *packet;
8666         struct bnx2x_fastpath *fp = &bp->fp[0];
8667         u16 tx_start_idx, tx_idx;
8668         u16 rx_start_idx, rx_idx;
8669         u16 pkt_prod;
8670         struct sw_tx_bd *tx_buf;
8671         struct eth_tx_bd *tx_bd;
8672         dma_addr_t mapping;
8673         union eth_rx_cqe *cqe;
8674         u8 cqe_fp_flags;
8675         struct sw_rx_bd *rx_buf;
8676         u16 len;
8677         int rc = -ENODEV;
8678
8679         if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8680                 bp->link_params.loopback_mode = LOOPBACK_BMAC;
8681                 bnx2x_acquire_phy_lock(bp);
8682                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8683                 bnx2x_release_phy_lock(bp);
8684
8685         } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8686                 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
8687                 bnx2x_acquire_phy_lock(bp);
8688                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8689                 bnx2x_release_phy_lock(bp);
8690                 /* wait until link state is restored */
8691                 bnx2x_wait_for_link(bp, link_up);
8692
8693         } else
8694                 return -EINVAL;
8695
8696         pkt_size = 1514;
8697         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8698         if (!skb) {
8699                 rc = -ENOMEM;
8700                 goto test_loopback_exit;
8701         }
8702         packet = skb_put(skb, pkt_size);
8703         memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8704         memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8705         for (i = ETH_HLEN; i < pkt_size; i++)
8706                 packet[i] = (unsigned char) (i & 0xff);
8707
8708         num_pkts = 0;
8709         tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8710         rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8711
8712         pkt_prod = fp->tx_pkt_prod++;
8713         tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8714         tx_buf->first_bd = fp->tx_bd_prod;
8715         tx_buf->skb = skb;
8716
8717         tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8718         mapping = pci_map_single(bp->pdev, skb->data,
8719                                  skb_headlen(skb), PCI_DMA_TODEVICE);
8720         tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8721         tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8722         tx_bd->nbd = cpu_to_le16(1);
8723         tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8724         tx_bd->vlan = cpu_to_le16(pkt_prod);
8725         tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8726                                        ETH_TX_BD_FLAGS_END_BD);
8727         tx_bd->general_data = ((UNICAST_ADDRESS <<
8728                                 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8729
8730         fp->hw_tx_prods->bds_prod =
8731                 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8732         mb(); /* FW restriction: must not reorder writing nbd and packets */
8733         fp->hw_tx_prods->packets_prod =
8734                 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8735         DOORBELL(bp, FP_IDX(fp), 0);
8736
8737         mmiowb();
8738
8739         num_pkts++;
8740         fp->tx_bd_prod++;
8741         bp->dev->trans_start = jiffies;
8742
8743         udelay(100);
8744
8745         tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8746         if (tx_idx != tx_start_idx + num_pkts)
8747                 goto test_loopback_exit;
8748
8749         rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8750         if (rx_idx != rx_start_idx + num_pkts)
8751                 goto test_loopback_exit;
8752
8753         cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8754         cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8755         if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8756                 goto test_loopback_rx_exit;
8757
8758         len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8759         if (len != pkt_size)
8760                 goto test_loopback_rx_exit;
8761
8762         rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8763         skb = rx_buf->skb;
8764         skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8765         for (i = ETH_HLEN; i < pkt_size; i++)
8766                 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8767                         goto test_loopback_rx_exit;
8768
8769         rc = 0;
8770
8771 test_loopback_rx_exit:
8772         bp->dev->last_rx = jiffies;
8773
8774         fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8775         fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8776         fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8777         fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8778
8779         /* Update producers */
8780         bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8781                              fp->rx_sge_prod);
8782         mmiowb(); /* keep prod updates ordered */
8783
8784 test_loopback_exit:
8785         bp->link_params.loopback_mode = LOOPBACK_NONE;
8786
8787         return rc;
8788 }
8789
8790 static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8791 {
8792         int rc = 0;
8793
8794         if (!netif_running(bp->dev))
8795                 return BNX2X_LOOPBACK_FAILED;
8796
8797         bnx2x_netif_stop(bp, 1);
8798
8799         if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8800                 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8801                 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8802         }
8803
8804         if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8805                 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8806                 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8807         }
8808
8809         bnx2x_netif_start(bp);
8810
8811         return rc;
8812 }
8813
8814 #define CRC32_RESIDUAL                  0xdebb20e3
8815
8816 static int bnx2x_test_nvram(struct bnx2x *bp)
8817 {
8818         static const struct {
8819                 int offset;
8820                 int size;
8821         } nvram_tbl[] = {
8822                 {     0,  0x14 }, /* bootstrap */
8823                 {  0x14,  0xec }, /* dir */
8824                 { 0x100, 0x350 }, /* manuf_info */
8825                 { 0x450,  0xf0 }, /* feature_info */
8826                 { 0x640,  0x64 }, /* upgrade_key_info */
8827                 { 0x6a4,  0x64 },
8828                 { 0x708,  0x70 }, /* manuf_key_info */
8829                 { 0x778,  0x70 },
8830                 {     0,     0 }
8831         };
8832         u32 buf[0x350 / 4];
8833         u8 *data = (u8 *)buf;
8834         int i, rc;
8835         u32 magic, csum;
8836
8837         rc = bnx2x_nvram_read(bp, 0, data, 4);
8838         if (rc) {
8839                 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8840                 goto test_nvram_exit;
8841         }
8842
8843         magic = be32_to_cpu(buf[0]);
8844         if (magic != 0x669955aa) {
8845                 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8846                 rc = -ENODEV;
8847                 goto test_nvram_exit;
8848         }
8849
8850         for (i = 0; nvram_tbl[i].size; i++) {
8851
8852                 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8853                                       nvram_tbl[i].size);
8854                 if (rc) {
8855                         DP(NETIF_MSG_PROBE,
8856                            "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8857                         goto test_nvram_exit;
8858                 }
8859
8860                 csum = ether_crc_le(nvram_tbl[i].size, data);
8861                 if (csum != CRC32_RESIDUAL) {
8862                         DP(NETIF_MSG_PROBE,
8863                            "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8864                         rc = -ENODEV;
8865                         goto test_nvram_exit;
8866                 }
8867         }
8868
8869 test_nvram_exit:
8870         return rc;
8871 }
8872
8873 static int bnx2x_test_intr(struct bnx2x *bp)
8874 {
8875         struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8876         int i, rc;
8877
8878         if (!netif_running(bp->dev))
8879                 return -ENODEV;
8880
8881         config->hdr.length_6b = 0;
8882         config->hdr.offset = 0;
8883         config->hdr.client_id = BP_CL_ID(bp);
8884         config->hdr.reserved1 = 0;
8885
8886         rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8887                            U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8888                            U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8889         if (rc == 0) {
8890                 bp->set_mac_pending++;
8891                 for (i = 0; i < 10; i++) {
8892                         if (!bp->set_mac_pending)
8893                                 break;
8894                         msleep_interruptible(10);
8895                 }
8896                 if (i == 10)
8897                         rc = -ENODEV;
8898         }
8899
8900         return rc;
8901 }
8902
8903 static void bnx2x_self_test(struct net_device *dev,
8904                             struct ethtool_test *etest, u64 *buf)
8905 {
8906         struct bnx2x *bp = netdev_priv(dev);
8907
8908         memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8909
8910         if (!netif_running(dev))
8911                 return;
8912
8913         /* offline tests are not supported in MF mode */
8914         if (IS_E1HMF(bp))
8915                 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8916
8917         if (etest->flags & ETH_TEST_FL_OFFLINE) {
8918                 u8 link_up;
8919
8920                 link_up = bp->link_vars.link_up;
8921                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8922                 bnx2x_nic_load(bp, LOAD_DIAG);
8923                 /* wait until link state is restored */
8924                 bnx2x_wait_for_link(bp, link_up);
8925
8926                 if (bnx2x_test_registers(bp) != 0) {
8927                         buf[0] = 1;
8928                         etest->flags |= ETH_TEST_FL_FAILED;
8929                 }
8930                 if (bnx2x_test_memory(bp) != 0) {
8931                         buf[1] = 1;
8932                         etest->flags |= ETH_TEST_FL_FAILED;
8933                 }
8934                 buf[2] = bnx2x_test_loopback(bp, link_up);
8935                 if (buf[2] != 0)
8936                         etest->flags |= ETH_TEST_FL_FAILED;
8937
8938                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8939                 bnx2x_nic_load(bp, LOAD_NORMAL);
8940                 /* wait until link state is restored */
8941                 bnx2x_wait_for_link(bp, link_up);
8942         }
8943         if (bnx2x_test_nvram(bp) != 0) {
8944                 buf[3] = 1;
8945                 etest->flags |= ETH_TEST_FL_FAILED;
8946         }
8947         if (bnx2x_test_intr(bp) != 0) {
8948                 buf[4] = 1;
8949                 etest->flags |= ETH_TEST_FL_FAILED;
8950         }
8951         if (bp->port.pmf)
8952                 if (bnx2x_link_test(bp) != 0) {
8953                         buf[5] = 1;
8954                         etest->flags |= ETH_TEST_FL_FAILED;
8955                 }
8956         buf[7] = bnx2x_mc_assert(bp);
8957         if (buf[7] != 0)
8958                 etest->flags |= ETH_TEST_FL_FAILED;
8959
8960 #ifdef BNX2X_EXTRA_DEBUG
8961         bnx2x_panic_dump(bp);
8962 #endif
8963 }
8964
8965 static const struct {
8966         long offset;
8967         int size;
8968         u32 flags;
8969 #define STATS_FLAGS_PORT                1
8970 #define STATS_FLAGS_FUNC                2
8971         u8 string[ETH_GSTRING_LEN];
8972 } bnx2x_stats_arr[BNX2X_NUM_STATS] = {
8973 /* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8974                                 8, STATS_FLAGS_FUNC, "rx_bytes" },
8975         { STATS_OFFSET32(error_bytes_received_hi),
8976                                 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8977         { STATS_OFFSET32(total_bytes_transmitted_hi),
8978                                 8, STATS_FLAGS_FUNC, "tx_bytes" },
8979         { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8980                                 8, STATS_FLAGS_PORT, "tx_error_bytes" },
8981         { STATS_OFFSET32(total_unicast_packets_received_hi),
8982                                 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
8983         { STATS_OFFSET32(total_multicast_packets_received_hi),
8984                                 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
8985         { STATS_OFFSET32(total_broadcast_packets_received_hi),
8986                                 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
8987         { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
8988                                 8, STATS_FLAGS_FUNC, "tx_packets" },
8989         { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
8990                                 8, STATS_FLAGS_PORT, "tx_mac_errors" },
8991 /* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
8992                                 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
8993         { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
8994                                 8, STATS_FLAGS_PORT, "rx_crc_errors" },
8995         { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
8996                                 8, STATS_FLAGS_PORT, "rx_align_errors" },
8997         { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
8998                                 8, STATS_FLAGS_PORT, "tx_single_collisions" },
8999         { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
9000                                 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
9001         { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
9002                                 8, STATS_FLAGS_PORT, "tx_deferred" },
9003         { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
9004                                 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
9005         { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
9006                                 8, STATS_FLAGS_PORT, "tx_late_collisions" },
9007         { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
9008                                 8, STATS_FLAGS_PORT, "tx_total_collisions" },
9009         { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
9010                                 8, STATS_FLAGS_PORT, "rx_fragments" },
9011 /* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9012                                 8, STATS_FLAGS_PORT, "rx_jabbers" },
9013         { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
9014                                 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
9015         { STATS_OFFSET32(jabber_packets_received),
9016                                 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
9017         { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
9018                                 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
9019         { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
9020                         8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
9021         { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
9022                         8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
9023         { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
9024                         8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
9025         { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
9026                         8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
9027         { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
9028                         8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
9029         { STATS_OFFSET32(etherstatspktsover1522octets_hi),
9030                         8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
9031 /* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
9032                                 8, STATS_FLAGS_PORT, "rx_xon_frames" },
9033         { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
9034                                 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9035         { STATS_OFFSET32(tx_stat_outxonsent_hi),
9036                                 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9037         { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9038                                 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
9039         { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
9040                                 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9041         { STATS_OFFSET32(mac_filter_discard),
9042                                 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9043         { STATS_OFFSET32(no_buff_discard),
9044                                 4, STATS_FLAGS_FUNC, "rx_discards" },
9045         { STATS_OFFSET32(xxoverflow_discard),
9046                                 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9047         { STATS_OFFSET32(brb_drop_hi),
9048                                 8, STATS_FLAGS_PORT, "brb_discard" },
9049         { STATS_OFFSET32(brb_truncate_hi),
9050                                 8, STATS_FLAGS_PORT, "brb_truncate" },
9051 /* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9052                                 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9053         { STATS_OFFSET32(rx_skb_alloc_failed),
9054                                 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9055 /* 42 */{ STATS_OFFSET32(hw_csum_err),
9056                                 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
9057 };
9058
9059 #define IS_NOT_E1HMF_STAT(bp, i) \
9060                 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9061
9062 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9063 {
9064         struct bnx2x *bp = netdev_priv(dev);
9065         int i, j;
9066
9067         switch (stringset) {
9068         case ETH_SS_STATS:
9069                 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9070                         if (IS_NOT_E1HMF_STAT(bp, i))
9071                                 continue;
9072                         strcpy(buf + j*ETH_GSTRING_LEN,
9073                                bnx2x_stats_arr[i].string);
9074                         j++;
9075                 }
9076                 break;
9077
9078         case ETH_SS_TEST:
9079                 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9080                 break;
9081         }
9082 }
9083
9084 static int bnx2x_get_stats_count(struct net_device *dev)
9085 {
9086         struct bnx2x *bp = netdev_priv(dev);
9087         int i, num_stats = 0;
9088
9089         for (i = 0; i < BNX2X_NUM_STATS; i++) {
9090                 if (IS_NOT_E1HMF_STAT(bp, i))
9091                         continue;
9092                 num_stats++;
9093         }
9094         return num_stats;
9095 }
9096
9097 static void bnx2x_get_ethtool_stats(struct net_device *dev,
9098                                     struct ethtool_stats *stats, u64 *buf)
9099 {
9100         struct bnx2x *bp = netdev_priv(dev);
9101         u32 *hw_stats = (u32 *)&bp->eth_stats;
9102         int i, j;
9103
9104         for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9105                 if (IS_NOT_E1HMF_STAT(bp, i))
9106                         continue;
9107
9108                 if (bnx2x_stats_arr[i].size == 0) {
9109                         /* skip this counter */
9110                         buf[j] = 0;
9111                         j++;
9112                         continue;
9113                 }
9114                 if (bnx2x_stats_arr[i].size == 4) {
9115                         /* 4-byte counter */
9116                         buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9117                         j++;
9118                         continue;
9119                 }
9120                 /* 8-byte counter */
9121                 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9122                                   *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9123                 j++;
9124         }
9125 }
9126
9127 static int bnx2x_phys_id(struct net_device *dev, u32 data)
9128 {
9129         struct bnx2x *bp = netdev_priv(dev);
9130         int port = BP_PORT(bp);
9131         int i;
9132
9133         if (!netif_running(dev))
9134                 return 0;
9135
9136         if (!bp->port.pmf)
9137                 return 0;
9138
9139         if (data == 0)
9140                 data = 2;
9141
9142         for (i = 0; i < (data * 2); i++) {
9143                 if ((i % 2) == 0)
9144                         bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
9145                                       bp->link_params.hw_led_mode,
9146                                       bp->link_params.chip_id);
9147                 else
9148                         bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
9149                                       bp->link_params.hw_led_mode,
9150                                       bp->link_params.chip_id);
9151
9152                 msleep_interruptible(500);
9153                 if (signal_pending(current))
9154                         break;
9155         }
9156
9157         if (bp->link_vars.link_up)
9158                 bnx2x_set_led(bp, port, LED_MODE_OPER,
9159                               bp->link_vars.line_speed,
9160                               bp->link_params.hw_led_mode,
9161                               bp->link_params.chip_id);
9162
9163         return 0;
9164 }
9165
9166 static struct ethtool_ops bnx2x_ethtool_ops = {
9167         .get_settings           = bnx2x_get_settings,
9168         .set_settings           = bnx2x_set_settings,
9169         .get_drvinfo            = bnx2x_get_drvinfo,
9170         .get_wol                = bnx2x_get_wol,
9171         .set_wol                = bnx2x_set_wol,
9172         .get_msglevel           = bnx2x_get_msglevel,
9173         .set_msglevel           = bnx2x_set_msglevel,
9174         .nway_reset             = bnx2x_nway_reset,
9175         .get_link               = ethtool_op_get_link,
9176         .get_eeprom_len         = bnx2x_get_eeprom_len,
9177         .get_eeprom             = bnx2x_get_eeprom,
9178         .set_eeprom             = bnx2x_set_eeprom,
9179         .get_coalesce           = bnx2x_get_coalesce,
9180         .set_coalesce           = bnx2x_set_coalesce,
9181         .get_ringparam          = bnx2x_get_ringparam,
9182         .set_ringparam          = bnx2x_set_ringparam,
9183         .get_pauseparam         = bnx2x_get_pauseparam,
9184         .set_pauseparam         = bnx2x_set_pauseparam,
9185         .get_rx_csum            = bnx2x_get_rx_csum,
9186         .set_rx_csum            = bnx2x_set_rx_csum,
9187         .get_tx_csum            = ethtool_op_get_tx_csum,
9188         .set_tx_csum            = ethtool_op_set_tx_hw_csum,
9189         .set_flags              = bnx2x_set_flags,
9190         .get_flags              = ethtool_op_get_flags,
9191         .get_sg                 = ethtool_op_get_sg,
9192         .set_sg                 = ethtool_op_set_sg,
9193         .get_tso                = ethtool_op_get_tso,
9194         .set_tso                = bnx2x_set_tso,
9195         .self_test_count        = bnx2x_self_test_count,
9196         .self_test              = bnx2x_self_test,
9197         .get_strings            = bnx2x_get_strings,
9198         .phys_id                = bnx2x_phys_id,
9199         .get_stats_count        = bnx2x_get_stats_count,
9200         .get_ethtool_stats      = bnx2x_get_ethtool_stats,
9201 };
9202
9203 /* end of ethtool_ops */
9204
9205 /****************************************************************************
9206 * General service functions
9207 ****************************************************************************/
9208
9209 static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9210 {
9211         u16 pmcsr;
9212
9213         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9214
9215         switch (state) {
9216         case PCI_D0:
9217                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9218                                       ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9219                                        PCI_PM_CTRL_PME_STATUS));
9220
9221                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
9222                         /* delay required during transition out of D3hot */
9223                         msleep(20);
9224                 break;
9225
9226         case PCI_D3hot:
9227                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9228                 pmcsr |= 3;
9229
9230                 if (bp->wol)
9231                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9232
9233                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9234                                       pmcsr);
9235
9236                 /* No more memory access after this point until
9237                 * device is brought back to D0.
9238                 */
9239                 break;
9240
9241         default:
9242                 return -EINVAL;
9243         }
9244         return 0;
9245 }
9246
9247 /*
9248  * net_device service functions
9249  */
9250
9251 static int bnx2x_poll(struct napi_struct *napi, int budget)
9252 {
9253         struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9254                                                  napi);
9255         struct bnx2x *bp = fp->bp;
9256         int work_done = 0;
9257         u16 rx_cons_sb;
9258
9259 #ifdef BNX2X_STOP_ON_ERROR
9260         if (unlikely(bp->panic))
9261                 goto poll_panic;
9262 #endif
9263
9264         prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9265         prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9266         prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9267
9268         bnx2x_update_fpsb_idx(fp);
9269
9270         if (BNX2X_HAS_TX_WORK(fp))
9271                 bnx2x_tx_int(fp, budget);
9272
9273         rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9274         if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9275                 rx_cons_sb++;
9276         if (BNX2X_HAS_RX_WORK(fp))
9277                 work_done = bnx2x_rx_int(fp, budget);
9278
9279         rmb(); /* BNX2X_HAS_WORK() reads the status block */
9280         rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9281         if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9282                 rx_cons_sb++;
9283
9284         /* must not complete if we consumed full budget */
9285         if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
9286
9287 #ifdef BNX2X_STOP_ON_ERROR
9288 poll_panic:
9289 #endif
9290                 netif_rx_complete(bp->dev, napi);
9291
9292                 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
9293                              le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
9294                 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
9295                              le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9296         }
9297         return work_done;
9298 }
9299
9300
9301 /* we split the first BD into headers and data BDs
9302  * to ease the pain of our fellow microcode engineers
9303  * we use one mapping for both BDs
9304  * So far this has only been observed to happen
9305  * in Other Operating Systems(TM)
9306  */
9307 static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9308                                    struct bnx2x_fastpath *fp,
9309                                    struct eth_tx_bd **tx_bd, u16 hlen,
9310                                    u16 bd_prod, int nbd)
9311 {
9312         struct eth_tx_bd *h_tx_bd = *tx_bd;
9313         struct eth_tx_bd *d_tx_bd;
9314         dma_addr_t mapping;
9315         int old_len = le16_to_cpu(h_tx_bd->nbytes);
9316
9317         /* first fix first BD */
9318         h_tx_bd->nbd = cpu_to_le16(nbd);
9319         h_tx_bd->nbytes = cpu_to_le16(hlen);
9320
9321         DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9322            "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9323            h_tx_bd->addr_lo, h_tx_bd->nbd);
9324
9325         /* now get a new data BD
9326          * (after the pbd) and fill it */
9327         bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9328         d_tx_bd = &fp->tx_desc_ring[bd_prod];
9329
9330         mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9331                            le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9332
9333         d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9334         d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9335         d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9336         d_tx_bd->vlan = 0;
9337         /* this marks the BD as one that has no individual mapping
9338          * the FW ignores this flag in a BD not marked start
9339          */
9340         d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9341         DP(NETIF_MSG_TX_QUEUED,
9342            "TSO split data size is %d (%x:%x)\n",
9343            d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9344
9345         /* update tx_bd for marking the last BD flag */
9346         *tx_bd = d_tx_bd;
9347
9348         return bd_prod;
9349 }
9350
9351 static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9352 {
9353         if (fix > 0)
9354                 csum = (u16) ~csum_fold(csum_sub(csum,
9355                                 csum_partial(t_header - fix, fix, 0)));
9356
9357         else if (fix < 0)
9358                 csum = (u16) ~csum_fold(csum_add(csum,
9359                                 csum_partial(t_header, -fix, 0)));
9360
9361         return swab16(csum);
9362 }
9363
9364 static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9365 {
9366         u32 rc;
9367
9368         if (skb->ip_summed != CHECKSUM_PARTIAL)
9369                 rc = XMIT_PLAIN;
9370
9371         else {
9372                 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9373                         rc = XMIT_CSUM_V6;
9374                         if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9375                                 rc |= XMIT_CSUM_TCP;
9376
9377                 } else {
9378                         rc = XMIT_CSUM_V4;
9379                         if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9380                                 rc |= XMIT_CSUM_TCP;
9381                 }
9382         }
9383
9384         if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9385                 rc |= XMIT_GSO_V4;
9386
9387         else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9388                 rc |= XMIT_GSO_V6;
9389
9390         return rc;
9391 }
9392
9393 /* check if packet requires linearization (packet is too fragmented) */
9394 static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9395                              u32 xmit_type)
9396 {
9397         int to_copy = 0;
9398         int hlen = 0;
9399         int first_bd_sz = 0;
9400
9401         /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9402         if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9403
9404                 if (xmit_type & XMIT_GSO) {
9405                         unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9406                         /* Check if LSO packet needs to be copied:
9407                            3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9408                         int wnd_size = MAX_FETCH_BD - 3;
9409                         /* Number of windows to check */
9410                         int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9411                         int wnd_idx = 0;
9412                         int frag_idx = 0;
9413                         u32 wnd_sum = 0;
9414
9415                         /* Headers length */
9416                         hlen = (int)(skb_transport_header(skb) - skb->data) +
9417                                 tcp_hdrlen(skb);
9418
9419                         /* Amount of data (w/o headers) on linear part of SKB*/
9420                         first_bd_sz = skb_headlen(skb) - hlen;
9421
9422                         wnd_sum  = first_bd_sz;
9423
9424                         /* Calculate the first sum - it's special */
9425                         for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9426                                 wnd_sum +=
9427                                         skb_shinfo(skb)->frags[frag_idx].size;
9428
9429                         /* If there was data on linear skb data - check it */
9430                         if (first_bd_sz > 0) {
9431                                 if (unlikely(wnd_sum < lso_mss)) {
9432                                         to_copy = 1;
9433                                         goto exit_lbl;
9434                                 }
9435
9436                                 wnd_sum -= first_bd_sz;
9437                         }
9438
9439                         /* Others are easier: run through the frag list and
9440                            check all windows */
9441                         for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9442                                 wnd_sum +=
9443                           skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9444
9445                                 if (unlikely(wnd_sum < lso_mss)) {
9446                                         to_copy = 1;
9447                                         break;
9448                                 }
9449                                 wnd_sum -=
9450                                         skb_shinfo(skb)->frags[wnd_idx].size;
9451                         }
9452
9453                 } else {
9454                         /* in non-LSO too fragmented packet should always
9455                            be linearized */
9456                         to_copy = 1;
9457                 }
9458         }
9459
9460 exit_lbl:
9461         if (unlikely(to_copy))
9462                 DP(NETIF_MSG_TX_QUEUED,
9463                    "Linearization IS REQUIRED for %s packet. "
9464                    "num_frags %d  hlen %d  first_bd_sz %d\n",
9465                    (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9466                    skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9467
9468         return to_copy;
9469 }
9470
9471 /* called with netif_tx_lock
9472  * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
9473  * netif_wake_queue()
9474  */
9475 static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9476 {
9477         struct bnx2x *bp = netdev_priv(dev);
9478         struct bnx2x_fastpath *fp;
9479         struct sw_tx_bd *tx_buf;
9480         struct eth_tx_bd *tx_bd;
9481         struct eth_tx_parse_bd *pbd = NULL;
9482         u16 pkt_prod, bd_prod;
9483         int nbd, fp_index;
9484         dma_addr_t mapping;
9485         u32 xmit_type = bnx2x_xmit_type(bp, skb);
9486         int vlan_off = (bp->e1hov ? 4 : 0);
9487         int i;
9488         u8 hlen = 0;
9489
9490 #ifdef BNX2X_STOP_ON_ERROR
9491         if (unlikely(bp->panic))
9492                 return NETDEV_TX_BUSY;
9493 #endif
9494
9495         fp_index = (smp_processor_id() % bp->num_queues);
9496         fp = &bp->fp[fp_index];
9497
9498         if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
9499                 bp->eth_stats.driver_xoff++,
9500                 netif_stop_queue(dev);
9501                 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9502                 return NETDEV_TX_BUSY;
9503         }
9504
9505         DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x  protocol %x  protocol(%x,%x)"
9506            "  gso type %x  xmit_type %x\n",
9507            skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9508            ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9509
9510         /* First, check if we need to linearize the skb
9511            (due to FW restrictions) */
9512         if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9513                 /* Statistics of linearization */
9514                 bp->lin_cnt++;
9515                 if (skb_linearize(skb) != 0) {
9516                         DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9517                            "silently dropping this SKB\n");
9518                         dev_kfree_skb_any(skb);
9519                         return NETDEV_TX_OK;
9520                 }
9521         }
9522
9523         /*
9524         Please read carefully. First we use one BD which we mark as start,
9525         then for TSO or xsum we have a parsing info BD,
9526         and only then we have the rest of the TSO BDs.
9527         (don't forget to mark the last one as last,
9528         and to unmap only AFTER you write to the BD ...)
9529         And above all, all pdb sizes are in words - NOT DWORDS!
9530         */
9531
9532         pkt_prod = fp->tx_pkt_prod++;
9533         bd_prod = TX_BD(fp->tx_bd_prod);
9534
9535         /* get a tx_buf and first BD */
9536         tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9537         tx_bd = &fp->tx_desc_ring[bd_prod];
9538
9539         tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9540         tx_bd->general_data = (UNICAST_ADDRESS <<
9541                                ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9542         /* header nbd */
9543         tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
9544
9545         /* remember the first BD of the packet */
9546         tx_buf->first_bd = fp->tx_bd_prod;
9547         tx_buf->skb = skb;
9548
9549         DP(NETIF_MSG_TX_QUEUED,
9550            "sending pkt %u @%p  next_idx %u  bd %u @%p\n",
9551            pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9552
9553         if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9554                 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9555                 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
9556                 vlan_off += 4;
9557         } else
9558                 tx_bd->vlan = cpu_to_le16(pkt_prod);
9559
9560         if (xmit_type) {
9561                 /* turn on parsing and get a BD */
9562                 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9563                 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9564
9565                 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9566         }
9567
9568         if (xmit_type & XMIT_CSUM) {
9569                 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9570
9571                 /* for now NS flag is not used in Linux */
9572                 pbd->global_data = (hlen |
9573                                     ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9574                                      ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9575
9576                 pbd->ip_hlen = (skb_transport_header(skb) -
9577                                 skb_network_header(skb)) / 2;
9578
9579                 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9580
9581                 pbd->total_hlen = cpu_to_le16(hlen);
9582                 hlen = hlen*2 - vlan_off;
9583
9584                 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9585
9586                 if (xmit_type & XMIT_CSUM_V4)
9587                         tx_bd->bd_flags.as_bitfield |=
9588                                                 ETH_TX_BD_FLAGS_IP_CSUM;
9589                 else
9590                         tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9591
9592                 if (xmit_type & XMIT_CSUM_TCP) {
9593                         pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9594
9595                 } else {
9596                         s8 fix = SKB_CS_OFF(skb); /* signed! */
9597
9598                         pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9599                         pbd->cs_offset = fix / 2;
9600
9601                         DP(NETIF_MSG_TX_QUEUED,
9602                            "hlen %d  offset %d  fix %d  csum before fix %x\n",
9603                            le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9604                            SKB_CS(skb));
9605
9606                         /* HW bug: fixup the CSUM */
9607                         pbd->tcp_pseudo_csum =
9608                                 bnx2x_csum_fix(skb_transport_header(skb),
9609                                                SKB_CS(skb), fix);
9610
9611                         DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9612                            pbd->tcp_pseudo_csum);
9613                 }
9614         }
9615
9616         mapping = pci_map_single(bp->pdev, skb->data,
9617                                  skb_headlen(skb), PCI_DMA_TODEVICE);
9618
9619         tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9620         tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9621         nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
9622         tx_bd->nbd = cpu_to_le16(nbd);
9623         tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9624
9625         DP(NETIF_MSG_TX_QUEUED, "first bd @%p  addr (%x:%x)  nbd %d"
9626            "  nbytes %d  flags %x  vlan %x\n",
9627            tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9628            le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9629            le16_to_cpu(tx_bd->vlan));
9630
9631         if (xmit_type & XMIT_GSO) {
9632
9633                 DP(NETIF_MSG_TX_QUEUED,
9634                    "TSO packet len %d  hlen %d  total len %d  tso size %d\n",
9635                    skb->len, hlen, skb_headlen(skb),
9636                    skb_shinfo(skb)->gso_size);
9637
9638                 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9639
9640                 if (unlikely(skb_headlen(skb) > hlen))
9641                         bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9642                                                  bd_prod, ++nbd);
9643
9644                 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9645                 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
9646                 pbd->tcp_flags = pbd_tcp_flags(skb);
9647
9648                 if (xmit_type & XMIT_GSO_V4) {
9649                         pbd->ip_id = swab16(ip_hdr(skb)->id);
9650                         pbd->tcp_pseudo_csum =
9651                                 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9652                                                           ip_hdr(skb)->daddr,
9653                                                           0, IPPROTO_TCP, 0));
9654
9655                 } else
9656                         pbd->tcp_pseudo_csum =
9657                                 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9658                                                         &ipv6_hdr(skb)->daddr,
9659                                                         0, IPPROTO_TCP, 0));
9660
9661                 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9662         }
9663
9664         for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9665                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
9666
9667                 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9668                 tx_bd = &fp->tx_desc_ring[bd_prod];
9669
9670                 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9671                                        frag->size, PCI_DMA_TODEVICE);
9672
9673                 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9674                 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9675                 tx_bd->nbytes = cpu_to_le16(frag->size);
9676                 tx_bd->vlan = cpu_to_le16(pkt_prod);
9677                 tx_bd->bd_flags.as_bitfield = 0;
9678
9679                 DP(NETIF_MSG_TX_QUEUED,
9680                    "frag %d  bd @%p  addr (%x:%x)  nbytes %d  flags %x\n",
9681                    i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9682                    le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
9683         }
9684
9685         /* now at last mark the BD as the last BD */
9686         tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9687
9688         DP(NETIF_MSG_TX_QUEUED, "last bd @%p  flags %x\n",
9689            tx_bd, tx_bd->bd_flags.as_bitfield);
9690
9691         bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9692
9693         /* now send a tx doorbell, counting the next BD
9694          * if the packet contains or ends with it
9695          */
9696         if (TX_BD_POFF(bd_prod) < nbd)
9697                 nbd++;
9698
9699         if (pbd)
9700                 DP(NETIF_MSG_TX_QUEUED,
9701                    "PBD @%p  ip_data %x  ip_hlen %u  ip_id %u  lso_mss %u"
9702                    "  tcp_flags %x  xsum %x  seq %u  hlen %u\n",
9703                    pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9704                    pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
9705                    pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
9706
9707         DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d  bd %u\n", nbd, bd_prod);
9708
9709         fp->hw_tx_prods->bds_prod =
9710                 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
9711         mb(); /* FW restriction: must not reorder writing nbd and packets */
9712         fp->hw_tx_prods->packets_prod =
9713                 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
9714         DOORBELL(bp, FP_IDX(fp), 0);
9715
9716         mmiowb();
9717
9718         fp->tx_bd_prod += nbd;
9719         dev->trans_start = jiffies;
9720
9721         if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9722                 netif_stop_queue(dev);
9723                 bp->eth_stats.driver_xoff++;
9724                 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9725                         netif_wake_queue(dev);
9726         }
9727         fp->tx_pkt++;
9728
9729         return NETDEV_TX_OK;
9730 }
9731
9732 /* called with rtnl_lock */
9733 static int bnx2x_open(struct net_device *dev)
9734 {
9735         struct bnx2x *bp = netdev_priv(dev);
9736
9737         bnx2x_set_power_state(bp, PCI_D0);
9738
9739         return bnx2x_nic_load(bp, LOAD_OPEN);
9740 }
9741
9742 /* called with rtnl_lock */
9743 static int bnx2x_close(struct net_device *dev)
9744 {
9745         struct bnx2x *bp = netdev_priv(dev);
9746
9747         /* Unload the driver, release IRQs */
9748         bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9749         if (atomic_read(&bp->pdev->enable_cnt) == 1)
9750                 if (!CHIP_REV_IS_SLOW(bp))
9751                         bnx2x_set_power_state(bp, PCI_D3hot);
9752
9753         return 0;
9754 }
9755
9756 /* called with netif_tx_lock from set_multicast */
9757 static void bnx2x_set_rx_mode(struct net_device *dev)
9758 {
9759         struct bnx2x *bp = netdev_priv(dev);
9760         u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9761         int port = BP_PORT(bp);
9762
9763         if (bp->state != BNX2X_STATE_OPEN) {
9764                 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9765                 return;
9766         }
9767
9768         DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9769
9770         if (dev->flags & IFF_PROMISC)
9771                 rx_mode = BNX2X_RX_MODE_PROMISC;
9772
9773         else if ((dev->flags & IFF_ALLMULTI) ||
9774                  ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9775                 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9776
9777         else { /* some multicasts */
9778                 if (CHIP_IS_E1(bp)) {
9779                         int i, old, offset;
9780                         struct dev_mc_list *mclist;
9781                         struct mac_configuration_cmd *config =
9782                                                 bnx2x_sp(bp, mcast_config);
9783
9784                         for (i = 0, mclist = dev->mc_list;
9785                              mclist && (i < dev->mc_count);
9786                              i++, mclist = mclist->next) {
9787
9788                                 config->config_table[i].
9789                                         cam_entry.msb_mac_addr =
9790                                         swab16(*(u16 *)&mclist->dmi_addr[0]);
9791                                 config->config_table[i].
9792                                         cam_entry.middle_mac_addr =
9793                                         swab16(*(u16 *)&mclist->dmi_addr[2]);
9794                                 config->config_table[i].
9795                                         cam_entry.lsb_mac_addr =
9796                                         swab16(*(u16 *)&mclist->dmi_addr[4]);
9797                                 config->config_table[i].cam_entry.flags =
9798                                                         cpu_to_le16(port);
9799                                 config->config_table[i].
9800                                         target_table_entry.flags = 0;
9801                                 config->config_table[i].
9802                                         target_table_entry.client_id = 0;
9803                                 config->config_table[i].
9804                                         target_table_entry.vlan_id = 0;
9805
9806                                 DP(NETIF_MSG_IFUP,
9807                                    "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9808                                    config->config_table[i].
9809                                                 cam_entry.msb_mac_addr,
9810                                    config->config_table[i].
9811                                                 cam_entry.middle_mac_addr,
9812                                    config->config_table[i].
9813                                                 cam_entry.lsb_mac_addr);
9814                         }
9815                         old = config->hdr.length_6b;
9816                         if (old > i) {
9817                                 for (; i < old; i++) {
9818                                         if (CAM_IS_INVALID(config->
9819                                                            config_table[i])) {
9820                                                 i--; /* already invalidated */
9821                                                 break;
9822                                         }
9823                                         /* invalidate */
9824                                         CAM_INVALIDATE(config->
9825                                                        config_table[i]);
9826                                 }
9827                         }
9828
9829                         if (CHIP_REV_IS_SLOW(bp))
9830                                 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9831                         else
9832                                 offset = BNX2X_MAX_MULTICAST*(1 + port);
9833
9834                         config->hdr.length_6b = i;
9835                         config->hdr.offset = offset;
9836                         config->hdr.client_id = BP_CL_ID(bp);
9837                         config->hdr.reserved1 = 0;
9838
9839                         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9840                                    U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9841                                    U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9842                                       0);
9843                 } else { /* E1H */
9844                         /* Accept one or more multicasts */
9845                         struct dev_mc_list *mclist;
9846                         u32 mc_filter[MC_HASH_SIZE];
9847                         u32 crc, bit, regidx;
9848                         int i;
9849
9850                         memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9851
9852                         for (i = 0, mclist = dev->mc_list;
9853                              mclist && (i < dev->mc_count);
9854                              i++, mclist = mclist->next) {
9855
9856                                 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9857                                    "%02x:%02x:%02x:%02x:%02x:%02x\n",
9858                                    mclist->dmi_addr[0], mclist->dmi_addr[1],
9859                                    mclist->dmi_addr[2], mclist->dmi_addr[3],
9860                                    mclist->dmi_addr[4], mclist->dmi_addr[5]);
9861
9862                                 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9863                                 bit = (crc >> 24) & 0xff;
9864                                 regidx = bit >> 5;
9865                                 bit &= 0x1f;
9866                                 mc_filter[regidx] |= (1 << bit);
9867                         }
9868
9869                         for (i = 0; i < MC_HASH_SIZE; i++)
9870                                 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9871                                        mc_filter[i]);
9872                 }
9873         }
9874
9875         bp->rx_mode = rx_mode;
9876         bnx2x_set_storm_rx_mode(bp);
9877 }
9878
9879 /* called with rtnl_lock */
9880 static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9881 {
9882         struct sockaddr *addr = p;
9883         struct bnx2x *bp = netdev_priv(dev);
9884
9885         if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
9886                 return -EINVAL;
9887
9888         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9889         if (netif_running(dev)) {
9890                 if (CHIP_IS_E1(bp))
9891                         bnx2x_set_mac_addr_e1(bp, 1);
9892                 else
9893                         bnx2x_set_mac_addr_e1h(bp, 1);
9894         }
9895
9896         return 0;
9897 }
9898
9899 /* called with rtnl_lock */
9900 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9901 {
9902         struct mii_ioctl_data *data = if_mii(ifr);
9903         struct bnx2x *bp = netdev_priv(dev);
9904         int port = BP_PORT(bp);
9905         int err;
9906
9907         switch (cmd) {
9908         case SIOCGMIIPHY:
9909                 data->phy_id = bp->port.phy_addr;
9910
9911                 /* fallthrough */
9912
9913         case SIOCGMIIREG: {
9914                 u16 mii_regval;
9915
9916                 if (!netif_running(dev))
9917                         return -EAGAIN;
9918
9919                 mutex_lock(&bp->port.phy_mutex);
9920                 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
9921                                       DEFAULT_PHY_DEV_ADDR,
9922                                       (data->reg_num & 0x1f), &mii_regval);
9923                 data->val_out = mii_regval;
9924                 mutex_unlock(&bp->port.phy_mutex);
9925                 return err;
9926         }
9927
9928         case SIOCSMIIREG:
9929                 if (!capable(CAP_NET_ADMIN))
9930                         return -EPERM;
9931
9932                 if (!netif_running(dev))
9933                         return -EAGAIN;
9934
9935                 mutex_lock(&bp->port.phy_mutex);
9936                 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
9937                                        DEFAULT_PHY_DEV_ADDR,
9938                                        (data->reg_num & 0x1f), data->val_in);
9939                 mutex_unlock(&bp->port.phy_mutex);
9940                 return err;
9941
9942         default:
9943                 /* do nothing */
9944                 break;
9945         }
9946
9947         return -EOPNOTSUPP;
9948 }
9949
9950 /* called with rtnl_lock */
9951 static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9952 {
9953         struct bnx2x *bp = netdev_priv(dev);
9954         int rc = 0;
9955
9956         if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9957             ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9958                 return -EINVAL;
9959
9960         /* This does not race with packet allocation
9961          * because the actual alloc size is
9962          * only updated as part of load
9963          */
9964         dev->mtu = new_mtu;
9965
9966         if (netif_running(dev)) {
9967                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9968                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
9969         }
9970
9971         return rc;
9972 }
9973
9974 static void bnx2x_tx_timeout(struct net_device *dev)
9975 {
9976         struct bnx2x *bp = netdev_priv(dev);
9977
9978 #ifdef BNX2X_STOP_ON_ERROR
9979         if (!bp->panic)
9980                 bnx2x_panic();
9981 #endif
9982         /* This allows the netif to be shutdown gracefully before resetting */
9983         schedule_work(&bp->reset_task);
9984 }
9985
9986 #ifdef BCM_VLAN
9987 /* called with rtnl_lock */
9988 static void bnx2x_vlan_rx_register(struct net_device *dev,
9989                                    struct vlan_group *vlgrp)
9990 {
9991         struct bnx2x *bp = netdev_priv(dev);
9992
9993         bp->vlgrp = vlgrp;
9994         if (netif_running(dev))
9995                 bnx2x_set_client_config(bp);
9996 }
9997
9998 #endif
9999
10000 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10001 static void poll_bnx2x(struct net_device *dev)
10002 {
10003         struct bnx2x *bp = netdev_priv(dev);
10004
10005         disable_irq(bp->pdev->irq);
10006         bnx2x_interrupt(bp->pdev->irq, dev);
10007         enable_irq(bp->pdev->irq);
10008 }
10009 #endif
10010
10011 static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10012                                     struct net_device *dev)
10013 {
10014         struct bnx2x *bp;
10015         int rc;
10016
10017         SET_NETDEV_DEV(dev, &pdev->dev);
10018         bp = netdev_priv(dev);
10019
10020         bp->dev = dev;
10021         bp->pdev = pdev;
10022         bp->flags = 0;
10023         bp->func = PCI_FUNC(pdev->devfn);
10024
10025         rc = pci_enable_device(pdev);
10026         if (rc) {
10027                 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10028                 goto err_out;
10029         }
10030
10031         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10032                 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10033                        " aborting\n");
10034                 rc = -ENODEV;
10035                 goto err_out_disable;
10036         }
10037
10038         if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10039                 printk(KERN_ERR PFX "Cannot find second PCI device"
10040                        " base address, aborting\n");
10041                 rc = -ENODEV;
10042                 goto err_out_disable;
10043         }
10044
10045         if (atomic_read(&pdev->enable_cnt) == 1) {
10046                 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10047                 if (rc) {
10048                         printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10049                                " aborting\n");
10050                         goto err_out_disable;
10051                 }
10052
10053                 pci_set_master(pdev);
10054                 pci_save_state(pdev);
10055         }
10056
10057         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10058         if (bp->pm_cap == 0) {
10059                 printk(KERN_ERR PFX "Cannot find power management"
10060                        " capability, aborting\n");
10061                 rc = -EIO;
10062                 goto err_out_release;
10063         }
10064
10065         bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10066         if (bp->pcie_cap == 0) {
10067                 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10068                        " aborting\n");
10069                 rc = -EIO;
10070                 goto err_out_release;
10071         }
10072
10073         if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10074                 bp->flags |= USING_DAC_FLAG;
10075                 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10076                         printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10077                                " failed, aborting\n");
10078                         rc = -EIO;
10079                         goto err_out_release;
10080                 }
10081
10082         } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10083                 printk(KERN_ERR PFX "System does not support DMA,"
10084                        " aborting\n");
10085                 rc = -EIO;
10086                 goto err_out_release;
10087         }
10088
10089         dev->mem_start = pci_resource_start(pdev, 0);
10090         dev->base_addr = dev->mem_start;
10091         dev->mem_end = pci_resource_end(pdev, 0);
10092
10093         dev->irq = pdev->irq;
10094
10095         bp->regview = ioremap_nocache(dev->base_addr,
10096                                       pci_resource_len(pdev, 0));
10097         if (!bp->regview) {
10098                 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10099                 rc = -ENOMEM;
10100                 goto err_out_release;
10101         }
10102
10103         bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10104                                         min_t(u64, BNX2X_DB_SIZE,
10105                                               pci_resource_len(pdev, 2)));
10106         if (!bp->doorbells) {
10107                 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10108                 rc = -ENOMEM;
10109                 goto err_out_unmap;
10110         }
10111
10112         bnx2x_set_power_state(bp, PCI_D0);
10113
10114         /* clean indirect addresses */
10115         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10116                                PCICFG_VENDOR_ID_OFFSET);
10117         REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10118         REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10119         REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10120         REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
10121
10122         dev->hard_start_xmit = bnx2x_start_xmit;
10123         dev->watchdog_timeo = TX_TIMEOUT;
10124
10125         dev->ethtool_ops = &bnx2x_ethtool_ops;
10126         dev->open = bnx2x_open;
10127         dev->stop = bnx2x_close;
10128         dev->set_multicast_list = bnx2x_set_rx_mode;
10129         dev->set_mac_address = bnx2x_change_mac_addr;
10130         dev->do_ioctl = bnx2x_ioctl;
10131         dev->change_mtu = bnx2x_change_mtu;
10132         dev->tx_timeout = bnx2x_tx_timeout;
10133 #ifdef BCM_VLAN
10134         dev->vlan_rx_register = bnx2x_vlan_rx_register;
10135 #endif
10136 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10137         dev->poll_controller = poll_bnx2x;
10138 #endif
10139         dev->features |= NETIF_F_SG;
10140         dev->features |= NETIF_F_HW_CSUM;
10141         if (bp->flags & USING_DAC_FLAG)
10142                 dev->features |= NETIF_F_HIGHDMA;
10143 #ifdef BCM_VLAN
10144         dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10145 #endif
10146         dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
10147         dev->features |= NETIF_F_TSO6;
10148
10149         return 0;
10150
10151 err_out_unmap:
10152         if (bp->regview) {
10153                 iounmap(bp->regview);
10154                 bp->regview = NULL;
10155         }
10156         if (bp->doorbells) {
10157                 iounmap(bp->doorbells);
10158                 bp->doorbells = NULL;
10159         }
10160
10161 err_out_release:
10162         if (atomic_read(&pdev->enable_cnt) == 1)
10163                 pci_release_regions(pdev);
10164
10165 err_out_disable:
10166         pci_disable_device(pdev);
10167         pci_set_drvdata(pdev, NULL);
10168
10169 err_out:
10170         return rc;
10171 }
10172
10173 static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10174 {
10175         u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10176
10177         val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10178         return val;
10179 }
10180
10181 /* return value of 1=2.5GHz 2=5GHz */
10182 static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10183 {
10184         u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10185
10186         val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10187         return val;
10188 }
10189
10190 static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10191                                     const struct pci_device_id *ent)
10192 {
10193         static int version_printed;
10194         struct net_device *dev = NULL;
10195         struct bnx2x *bp;
10196         int rc;
10197         DECLARE_MAC_BUF(mac);
10198
10199         if (version_printed++ == 0)
10200                 printk(KERN_INFO "%s", version);
10201
10202         /* dev zeroed in init_etherdev */
10203         dev = alloc_etherdev(sizeof(*bp));
10204         if (!dev) {
10205                 printk(KERN_ERR PFX "Cannot allocate net device\n");
10206                 return -ENOMEM;
10207         }
10208
10209         bp = netdev_priv(dev);
10210         bp->msglevel = debug;
10211
10212         rc = bnx2x_init_dev(pdev, dev);
10213         if (rc < 0) {
10214                 free_netdev(dev);
10215                 return rc;
10216         }
10217
10218         rc = register_netdev(dev);
10219         if (rc) {
10220                 dev_err(&pdev->dev, "Cannot register net device\n");
10221                 goto init_one_exit;
10222         }
10223
10224         pci_set_drvdata(pdev, dev);
10225
10226         rc = bnx2x_init_bp(bp);
10227         if (rc) {
10228                 unregister_netdev(dev);
10229                 goto init_one_exit;
10230         }
10231
10232         netif_carrier_off(dev);
10233
10234         bp->common.name = board_info[ent->driver_data].name;
10235         printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
10236                " IRQ %d, ", dev->name, bp->common.name,
10237                (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
10238                bnx2x_get_pcie_width(bp),
10239                (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10240                dev->base_addr, bp->pdev->irq);
10241         printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
10242         return 0;
10243
10244 init_one_exit:
10245         if (bp->regview)
10246                 iounmap(bp->regview);
10247
10248         if (bp->doorbells)
10249                 iounmap(bp->doorbells);
10250
10251         free_netdev(dev);
10252
10253         if (atomic_read(&pdev->enable_cnt) == 1)
10254                 pci_release_regions(pdev);
10255
10256         pci_disable_device(pdev);
10257         pci_set_drvdata(pdev, NULL);
10258
10259         return rc;
10260 }
10261
10262 static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10263 {
10264         struct net_device *dev = pci_get_drvdata(pdev);
10265         struct bnx2x *bp;
10266
10267         if (!dev) {
10268                 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10269                 return;
10270         }
10271         bp = netdev_priv(dev);
10272
10273         unregister_netdev(dev);
10274
10275         if (bp->regview)
10276                 iounmap(bp->regview);
10277
10278         if (bp->doorbells)
10279                 iounmap(bp->doorbells);
10280
10281         free_netdev(dev);
10282
10283         if (atomic_read(&pdev->enable_cnt) == 1)
10284                 pci_release_regions(pdev);
10285
10286         pci_disable_device(pdev);
10287         pci_set_drvdata(pdev, NULL);
10288 }
10289
10290 static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10291 {
10292         struct net_device *dev = pci_get_drvdata(pdev);
10293         struct bnx2x *bp;
10294
10295         if (!dev) {
10296                 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10297                 return -ENODEV;
10298         }
10299         bp = netdev_priv(dev);
10300
10301         rtnl_lock();
10302
10303         pci_save_state(pdev);
10304
10305         if (!netif_running(dev)) {
10306                 rtnl_unlock();
10307                 return 0;
10308         }
10309
10310         netif_device_detach(dev);
10311
10312         bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10313
10314         bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
10315
10316         rtnl_unlock();
10317
10318         return 0;
10319 }
10320
10321 static int bnx2x_resume(struct pci_dev *pdev)
10322 {
10323         struct net_device *dev = pci_get_drvdata(pdev);
10324         struct bnx2x *bp;
10325         int rc;
10326
10327         if (!dev) {
10328                 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10329                 return -ENODEV;
10330         }
10331         bp = netdev_priv(dev);
10332
10333         rtnl_lock();
10334
10335         pci_restore_state(pdev);
10336
10337         if (!netif_running(dev)) {
10338                 rtnl_unlock();
10339                 return 0;
10340         }
10341
10342         bnx2x_set_power_state(bp, PCI_D0);
10343         netif_device_attach(dev);
10344
10345         rc = bnx2x_nic_load(bp, LOAD_OPEN);
10346
10347         rtnl_unlock();
10348
10349         return rc;
10350 }
10351
10352 static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
10353 {
10354         int i;
10355
10356         bp->state = BNX2X_STATE_ERROR;
10357
10358         bp->rx_mode = BNX2X_RX_MODE_NONE;
10359
10360         bnx2x_netif_stop(bp, 0);
10361
10362         del_timer_sync(&bp->timer);
10363         bp->stats_state = STATS_STATE_DISABLED;
10364         DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
10365
10366         /* Release IRQs */
10367         bnx2x_free_irq(bp);
10368
10369         if (CHIP_IS_E1(bp)) {
10370                 struct mac_configuration_cmd *config =
10371                                                 bnx2x_sp(bp, mcast_config);
10372
10373                 for (i = 0; i < config->hdr.length_6b; i++)
10374                         CAM_INVALIDATE(config->config_table[i]);
10375         }
10376
10377         /* Free SKBs, SGEs, TPA pool and driver internals */
10378         bnx2x_free_skbs(bp);
10379         for_each_queue(bp, i)
10380                 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
10381         bnx2x_free_mem(bp);
10382
10383         bp->state = BNX2X_STATE_CLOSED;
10384
10385         netif_carrier_off(bp->dev);
10386
10387         return 0;
10388 }
10389
10390 static void bnx2x_eeh_recover(struct bnx2x *bp)
10391 {
10392         u32 val;
10393
10394         mutex_init(&bp->port.phy_mutex);
10395
10396         bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
10397         bp->link_params.shmem_base = bp->common.shmem_base;
10398         BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
10399
10400         if (!bp->common.shmem_base ||
10401             (bp->common.shmem_base < 0xA0000) ||
10402             (bp->common.shmem_base >= 0xC0000)) {
10403                 BNX2X_DEV_INFO("MCP not active\n");
10404                 bp->flags |= NO_MCP_FLAG;
10405                 return;
10406         }
10407
10408         val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
10409         if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10410                 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10411                 BNX2X_ERR("BAD MCP validity signature\n");
10412
10413         if (!BP_NOMCP(bp)) {
10414                 bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
10415                               & DRV_MSG_SEQ_NUMBER_MASK);
10416                 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10417         }
10418 }
10419
10420 /**
10421  * bnx2x_io_error_detected - called when PCI error is detected
10422  * @pdev: Pointer to PCI device
10423  * @state: The current pci connection state
10424  *
10425  * This function is called after a PCI bus error affecting
10426  * this device has been detected.
10427  */
10428 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10429                                                 pci_channel_state_t state)
10430 {
10431         struct net_device *dev = pci_get_drvdata(pdev);
10432         struct bnx2x *bp = netdev_priv(dev);
10433
10434         rtnl_lock();
10435
10436         netif_device_detach(dev);
10437
10438         if (netif_running(dev))
10439                 bnx2x_eeh_nic_unload(bp);
10440
10441         pci_disable_device(pdev);
10442
10443         rtnl_unlock();
10444
10445         /* Request a slot reset */
10446         return PCI_ERS_RESULT_NEED_RESET;
10447 }
10448
10449 /**
10450  * bnx2x_io_slot_reset - called after the PCI bus has been reset
10451  * @pdev: Pointer to PCI device
10452  *
10453  * Restart the card from scratch, as if from a cold-boot.
10454  */
10455 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10456 {
10457         struct net_device *dev = pci_get_drvdata(pdev);
10458         struct bnx2x *bp = netdev_priv(dev);
10459
10460         rtnl_lock();
10461
10462         if (pci_enable_device(pdev)) {
10463                 dev_err(&pdev->dev,
10464                         "Cannot re-enable PCI device after reset\n");
10465                 rtnl_unlock();
10466                 return PCI_ERS_RESULT_DISCONNECT;
10467         }
10468
10469         pci_set_master(pdev);
10470         pci_restore_state(pdev);
10471
10472         if (netif_running(dev))
10473                 bnx2x_set_power_state(bp, PCI_D0);
10474
10475         rtnl_unlock();
10476
10477         return PCI_ERS_RESULT_RECOVERED;
10478 }
10479
10480 /**
10481  * bnx2x_io_resume - called when traffic can start flowing again
10482  * @pdev: Pointer to PCI device
10483  *
10484  * This callback is called when the error recovery driver tells us that
10485  * its OK to resume normal operation.
10486  */
10487 static void bnx2x_io_resume(struct pci_dev *pdev)
10488 {
10489         struct net_device *dev = pci_get_drvdata(pdev);
10490         struct bnx2x *bp = netdev_priv(dev);
10491
10492         rtnl_lock();
10493
10494         bnx2x_eeh_recover(bp);
10495
10496         if (netif_running(dev))
10497                 bnx2x_nic_load(bp, LOAD_NORMAL);
10498
10499         netif_device_attach(dev);
10500
10501         rtnl_unlock();
10502 }
10503
10504 static struct pci_error_handlers bnx2x_err_handler = {
10505         .error_detected = bnx2x_io_error_detected,
10506         .slot_reset = bnx2x_io_slot_reset,
10507         .resume = bnx2x_io_resume,
10508 };
10509
10510 static struct pci_driver bnx2x_pci_driver = {
10511         .name        = DRV_MODULE_NAME,
10512         .id_table    = bnx2x_pci_tbl,
10513         .probe       = bnx2x_init_one,
10514         .remove      = __devexit_p(bnx2x_remove_one),
10515         .suspend     = bnx2x_suspend,
10516         .resume      = bnx2x_resume,
10517         .err_handler = &bnx2x_err_handler,
10518 };
10519
10520 static int __init bnx2x_init(void)
10521 {
10522         return pci_register_driver(&bnx2x_pci_driver);
10523 }
10524
10525 static void __exit bnx2x_cleanup(void)
10526 {
10527         pci_unregister_driver(&bnx2x_pci_driver);
10528 }
10529
10530 module_init(bnx2x_init);
10531 module_exit(bnx2x_cleanup);
10532