git.oblomov.eu Git - linux-2.6/blob - drivers/net/bnx2x_main.c

   1 /* bnx2x_main.c: Broadcom Everest network driver.
   2  *
   3  * Copyright (c) 2007-2009 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 #include <linux/if_vlan.h>
  42 #include <net/ip.h>
  43 #include <net/tcp.h>
  44 #include <net/checksum.h>
  45 #include <net/ip6_checksum.h>
  46 #include <linux/workqueue.h>
  47 #include <linux/crc32.h>
  48 #include <linux/crc32c.h>
  49 #include <linux/prefetch.h>
  50 #include <linux/zlib.h>
  51 #include <linux/io.h>
  52
  53 #include "bnx2x_reg.h"
  54 #include "bnx2x_fw_defs.h"
  55 #include "bnx2x_hsi.h"
  56 #include "bnx2x_link.h"
  57 #include "bnx2x.h"
  58 #include "bnx2x_init.h"
  59
  60 #define DRV_MODULE_VERSION      "1.45.26"
  61 #define DRV_MODULE_RELDATE      "2009/01/26"
  62 #define BNX2X_BC_VER            0x040200
  63
  64 /* Time in jiffies before concluding the transmitter is hung */
  65 #define TX_TIMEOUT              (5*HZ)
  66
  67 static char version[] __devinitdata =
  68         "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
  69         DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  70
  71 MODULE_AUTHOR("Eliezer Tamir");
  72 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710/57711/57711E Driver");
  73 MODULE_LICENSE("GPL");
  74 MODULE_VERSION(DRV_MODULE_VERSION);
  75
  76 static int disable_tpa;
  77 static int use_inta;
  78 static int poll;
  79 static int debug;
  80 static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
  81 static int use_multi;
  82
  83 module_param(disable_tpa, int, 0);
  84 module_param(use_inta, int, 0);
  85 module_param(poll, int, 0);
  86 module_param(debug, int, 0);
  87 MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
  88 MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
  89 MODULE_PARM_DESC(poll, "use polling (for debug)");
  90 MODULE_PARM_DESC(debug, "default debug msglevel");
  91
  92 #ifdef BNX2X_MULTI
  93 module_param(use_multi, int, 0);
  94 MODULE_PARM_DESC(use_multi, "use per-CPU queues");
  95 #endif
  96 static struct workqueue_struct *bnx2x_wq;
  97
  98 enum bnx2x_board_type {
  99         BCM57710 = 0,
 100         BCM57711 = 1,
 101         BCM57711E = 2,
 102 };
 103
 104 /* indexed by board_type, above */
 105 static struct {
 106         char *name;
 107 } board_info[] __devinitdata = {
 108         { "Broadcom NetXtreme II BCM57710 XGb" },
 109         { "Broadcom NetXtreme II BCM57711 XGb" },
 110         { "Broadcom NetXtreme II BCM57711E XGb" }
 111 };
 112
 113
 114 static const struct pci_device_id bnx2x_pci_tbl[] = {
 115         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
 116                 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
 117         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
 118                 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
 119         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
 120                 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
 121         { 0 }
 122 };
 123
 124 MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
 125
 126 /****************************************************************************
 127 * General service functions
 128 ****************************************************************************/
 129
 130 /* used only at init
 131  * locking is done by mcp
 132  */
 133 static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
 134 {
 135         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
 136         pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
 137         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
 138                                PCICFG_VENDOR_ID_OFFSET);
 139 }
 140
 141 static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
 142 {
 143         u32 val;
 144
 145         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
 146         pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
 147         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
 148                                PCICFG_VENDOR_ID_OFFSET);
 149
 150         return val;
 151 }
 152
 153 static const u32 dmae_reg_go_c[] = {
 154         DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
 155         DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
 156         DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
 157         DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
 158 };
 159
 160 /* copy command into DMAE command memory and set DMAE command go */
 161 static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
 162                             int idx)
 163 {
 164         u32 cmd_offset;
 165         int i;
 166
 167         cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
 168         for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
 169                 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
 170
 171                 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
 172                    idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
 173         }
 174         REG_WR(bp, dmae_reg_go_c[idx], 1);
 175 }
 176
 177 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
 178                       u32 len32)
 179 {
 180         struct dmae_command *dmae = &bp->init_dmae;
 181         u32 *wb_comp = bnx2x_sp(bp, wb_comp);
 182         int cnt = 200;
 183
 184         if (!bp->dmae_ready) {
 185                 u32 *data = bnx2x_sp(bp, wb_data[0]);
 186
 187                 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x  len32 %d)"
 188                    "  using indirect\n", dst_addr, len32);
 189                 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
 190                 return;
 191         }
 192
 193         mutex_lock(&bp->dmae_mutex);
 194
 195         memset(dmae, 0, sizeof(struct dmae_command));
 196
 197         dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
 198                         DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
 199                         DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
 200 #ifdef __BIG_ENDIAN
 201                         DMAE_CMD_ENDIANITY_B_DW_SWAP |
 202 #else
 203                         DMAE_CMD_ENDIANITY_DW_SWAP |
 204 #endif
 205                         (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
 206                         (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
 207         dmae->src_addr_lo = U64_LO(dma_addr);
 208         dmae->src_addr_hi = U64_HI(dma_addr);
 209         dmae->dst_addr_lo = dst_addr >> 2;
 210         dmae->dst_addr_hi = 0;
 211         dmae->len = len32;
 212         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
 213         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
 214         dmae->comp_val = DMAE_COMP_VAL;
 215
 216         DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
 217            DP_LEVEL "src_addr  [%x:%08x]  len [%d *4]  "
 218                     "dst_addr [%x:%08x (%08x)]\n"
 219            DP_LEVEL "comp_addr [%x:%08x]  comp_val 0x%08x\n",
 220            dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
 221            dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
 222            dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
 223         DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
 224            bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
 225            bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
 226
 227         *wb_comp = 0;
 228
 229         bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
 230
 231         udelay(5);
 232
 233         while (*wb_comp != DMAE_COMP_VAL) {
 234                 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
 235
 236                 if (!cnt) {
 237                         BNX2X_ERR("dmae timeout!\n");
 238                         break;
 239                 }
 240                 cnt--;
 241                 /* adjust delay for emulation/FPGA */
 242                 if (CHIP_REV_IS_SLOW(bp))
 243                         msleep(100);
 244                 else
 245                         udelay(5);
 246         }
 247
 248         mutex_unlock(&bp->dmae_mutex);
 249 }
 250
 251 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
 252 {
 253         struct dmae_command *dmae = &bp->init_dmae;
 254         u32 *wb_comp = bnx2x_sp(bp, wb_comp);
 255         int cnt = 200;
 256
 257         if (!bp->dmae_ready) {
 258                 u32 *data = bnx2x_sp(bp, wb_data[0]);
 259                 int i;
 260
 261                 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x  len32 %d)"
 262                    "  using indirect\n", src_addr, len32);
 263                 for (i = 0; i < len32; i++)
 264                         data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
 265                 return;
 266         }
 267
 268         mutex_lock(&bp->dmae_mutex);
 269
 270         memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
 271         memset(dmae, 0, sizeof(struct dmae_command));
 272
 273         dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
 274                         DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
 275                         DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
 276 #ifdef __BIG_ENDIAN
 277                         DMAE_CMD_ENDIANITY_B_DW_SWAP |
 278 #else
 279                         DMAE_CMD_ENDIANITY_DW_SWAP |
 280 #endif
 281                         (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
 282                         (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
 283         dmae->src_addr_lo = src_addr >> 2;
 284         dmae->src_addr_hi = 0;
 285         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
 286         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
 287         dmae->len = len32;
 288         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
 289         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
 290         dmae->comp_val = DMAE_COMP_VAL;
 291
 292         DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
 293            DP_LEVEL "src_addr  [%x:%08x]  len [%d *4]  "
 294                     "dst_addr [%x:%08x (%08x)]\n"
 295            DP_LEVEL "comp_addr [%x:%08x]  comp_val 0x%08x\n",
 296            dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
 297            dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
 298            dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
 299
 300         *wb_comp = 0;
 301
 302         bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
 303
 304         udelay(5);
 305
 306         while (*wb_comp != DMAE_COMP_VAL) {
 307
 308                 if (!cnt) {
 309                         BNX2X_ERR("dmae timeout!\n");
 310                         break;
 311                 }
 312                 cnt--;
 313                 /* adjust delay for emulation/FPGA */
 314                 if (CHIP_REV_IS_SLOW(bp))
 315                         msleep(100);
 316                 else
 317                         udelay(5);
 318         }
 319         DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
 320            bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
 321            bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
 322
 323         mutex_unlock(&bp->dmae_mutex);
 324 }
 325
 326 /* used only for slowpath so not inlined */
 327 static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
 328 {
 329         u32 wb_write[2];
 330
 331         wb_write[0] = val_hi;
 332         wb_write[1] = val_lo;
 333         REG_WR_DMAE(bp, reg, wb_write, 2);
 334 }
 335
 336 #ifdef USE_WB_RD
 337 static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
 338 {
 339         u32 wb_data[2];
 340
 341         REG_RD_DMAE(bp, reg, wb_data, 2);
 342
 343         return HILO_U64(wb_data[0], wb_data[1]);
 344 }
 345 #endif
 346
 347 static int bnx2x_mc_assert(struct bnx2x *bp)
 348 {
 349         char last_idx;
 350         int i, rc = 0;
 351         u32 row0, row1, row2, row3;
 352
 353         /* XSTORM */
 354         last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
 355                            XSTORM_ASSERT_LIST_INDEX_OFFSET);
 356         if (last_idx)
 357                 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
 358
 359         /* print the asserts */
 360         for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
 361
 362                 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
 363                               XSTORM_ASSERT_LIST_OFFSET(i));
 364                 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
 365                               XSTORM_ASSERT_LIST_OFFSET(i) + 4);
 366                 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
 367                               XSTORM_ASSERT_LIST_OFFSET(i) + 8);
 368                 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
 369                               XSTORM_ASSERT_LIST_OFFSET(i) + 12);
 370
 371                 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
 372                         BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
 373                                   " 0x%08x 0x%08x 0x%08x\n",
 374                                   i, row3, row2, row1, row0);
 375                         rc++;
 376                 } else {
 377                         break;
 378                 }
 379         }
 380
 381         /* TSTORM */
 382         last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
 383                            TSTORM_ASSERT_LIST_INDEX_OFFSET);
 384         if (last_idx)
 385                 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
 386
 387         /* print the asserts */
 388         for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
 389
 390                 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
 391                               TSTORM_ASSERT_LIST_OFFSET(i));
 392                 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
 393                               TSTORM_ASSERT_LIST_OFFSET(i) + 4);
 394                 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
 395                               TSTORM_ASSERT_LIST_OFFSET(i) + 8);
 396                 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
 397                               TSTORM_ASSERT_LIST_OFFSET(i) + 12);
 398
 399                 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
 400                         BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
 401                                   " 0x%08x 0x%08x 0x%08x\n",
 402                                   i, row3, row2, row1, row0);
 403                         rc++;
 404                 } else {
 405                         break;
 406                 }
 407         }
 408
 409         /* CSTORM */
 410         last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
 411                            CSTORM_ASSERT_LIST_INDEX_OFFSET);
 412         if (last_idx)
 413                 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
 414
 415         /* print the asserts */
 416         for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
 417
 418                 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
 419                               CSTORM_ASSERT_LIST_OFFSET(i));
 420                 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
 421                               CSTORM_ASSERT_LIST_OFFSET(i) + 4);
 422                 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
 423                               CSTORM_ASSERT_LIST_OFFSET(i) + 8);
 424                 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
 425                               CSTORM_ASSERT_LIST_OFFSET(i) + 12);
 426
 427                 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
 428                         BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
 429                                   " 0x%08x 0x%08x 0x%08x\n",
 430                                   i, row3, row2, row1, row0);
 431                         rc++;
 432                 } else {
 433                         break;
 434                 }
 435         }
 436
 437         /* USTORM */
 438         last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
 439                            USTORM_ASSERT_LIST_INDEX_OFFSET);
 440         if (last_idx)
 441                 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
 442
 443         /* print the asserts */
 444         for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
 445
 446                 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
 447                               USTORM_ASSERT_LIST_OFFSET(i));
 448                 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
 449                               USTORM_ASSERT_LIST_OFFSET(i) + 4);
 450                 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
 451                               USTORM_ASSERT_LIST_OFFSET(i) + 8);
 452                 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
 453                               USTORM_ASSERT_LIST_OFFSET(i) + 12);
 454
 455                 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
 456                         BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
 457                                   " 0x%08x 0x%08x 0x%08x\n",
 458                                   i, row3, row2, row1, row0);
 459                         rc++;
 460                 } else {
 461                         break;
 462                 }
 463         }
 464
 465         return rc;
 466 }
 467
 468 static void bnx2x_fw_dump(struct bnx2x *bp)
 469 {
 470         u32 mark, offset;
 471         u32 data[9];
 472         int word;
 473
 474         mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
 475         mark = ((mark + 0x3) & ~0x3);
 476         printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
 477
 478         for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
 479                 for (word = 0; word < 8; word++)
 480                         data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
 481                                                   offset + 4*word));
 482                 data[8] = 0x0;
 483                 printk(KERN_CONT "%s", (char *)data);
 484         }
 485         for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
 486                 for (word = 0; word < 8; word++)
 487                         data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
 488                                                   offset + 4*word));
 489                 data[8] = 0x0;
 490                 printk(KERN_CONT "%s", (char *)data);
 491         }
 492         printk("\n" KERN_ERR PFX "end of fw dump\n");
 493 }
 494
 495 static void bnx2x_panic_dump(struct bnx2x *bp)
 496 {
 497         int i;
 498         u16 j, start, end;
 499
 500         bp->stats_state = STATS_STATE_DISABLED;
 501         DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
 502
 503         BNX2X_ERR("begin crash dump -----------------\n");
 504
 505         for_each_queue(bp, i) {
 506                 struct bnx2x_fastpath *fp = &bp->fp[i];
 507                 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
 508
 509                 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x)  tx_pkt_cons(%x)"
 510                           "  tx_bd_prod(%x)  tx_bd_cons(%x)  *tx_cons_sb(%x)\n",
 511                           i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
 512                           fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
 513                 BNX2X_ERR("          rx_bd_prod(%x)  rx_bd_cons(%x)"
 514                           "  *rx_bd_cons_sb(%x)  rx_comp_prod(%x)"
 515                           "  rx_comp_cons(%x)  *rx_cons_sb(%x)\n",
 516                           fp->rx_bd_prod, fp->rx_bd_cons,
 517                           le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
 518                           fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
 519                 BNX2X_ERR("          rx_sge_prod(%x)  last_max_sge(%x)"
 520                           "  fp_c_idx(%x)  *sb_c_idx(%x)  fp_u_idx(%x)"
 521                           "  *sb_u_idx(%x)  bd data(%x,%x)\n",
 522                           fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
 523                           fp->status_blk->c_status_block.status_block_index,
 524                           fp->fp_u_idx,
 525                           fp->status_blk->u_status_block.status_block_index,
 526                           hw_prods->packets_prod, hw_prods->bds_prod);
 527
 528                 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
 529                 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
 530                 for (j = start; j < end; j++) {
 531                         struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
 532
 533                         BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
 534                                   sw_bd->skb, sw_bd->first_bd);
 535                 }
 536
 537                 start = TX_BD(fp->tx_bd_cons - 10);
 538                 end = TX_BD(fp->tx_bd_cons + 254);
 539                 for (j = start; j < end; j++) {
 540                         u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
 541
 542                         BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
 543                                   j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
 544                 }
 545
 546                 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
 547                 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
 548                 for (j = start; j < end; j++) {
 549                         u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
 550                         struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
 551
 552                         BNX2X_ERR("rx_bd[%x]=[%x:%x]  sw_bd=[%p]\n",
 553                                   j, rx_bd[1], rx_bd[0], sw_bd->skb);
 554                 }
 555
 556                 start = RX_SGE(fp->rx_sge_prod);
 557                 end = RX_SGE(fp->last_max_sge);
 558                 for (j = start; j < end; j++) {
 559                         u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
 560                         struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
 561
 562                         BNX2X_ERR("rx_sge[%x]=[%x:%x]  sw_page=[%p]\n",
 563                                   j, rx_sge[1], rx_sge[0], sw_page->page);
 564                 }
 565
 566                 start = RCQ_BD(fp->rx_comp_cons - 10);
 567                 end = RCQ_BD(fp->rx_comp_cons + 503);
 568                 for (j = start; j < end; j++) {
 569                         u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
 570
 571                         BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
 572                                   j, cqe[0], cqe[1], cqe[2], cqe[3]);
 573                 }
 574         }
 575
 576         BNX2X_ERR("def_c_idx(%u)  def_u_idx(%u)  def_x_idx(%u)"
 577                   "  def_t_idx(%u)  def_att_idx(%u)  attn_state(%u)"
 578                   "  spq_prod_idx(%u)\n",
 579                   bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
 580                   bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
 581
 582         bnx2x_fw_dump(bp);
 583         bnx2x_mc_assert(bp);
 584         BNX2X_ERR("end crash dump -----------------\n");
 585 }
 586
 587 static void bnx2x_int_enable(struct bnx2x *bp)
 588 {
 589         int port = BP_PORT(bp);
 590         u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
 591         u32 val = REG_RD(bp, addr);
 592         int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
 593
 594         if (msix) {
 595                 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
 596                 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
 597                         HC_CONFIG_0_REG_ATTN_BIT_EN_0);
 598         } else {
 599                 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
 600                         HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
 601                         HC_CONFIG_0_REG_INT_LINE_EN_0 |
 602                         HC_CONFIG_0_REG_ATTN_BIT_EN_0);
 603
 604                 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)  MSI-X %d\n",
 605                    val, port, addr, msix);
 606
 607                 REG_WR(bp, addr, val);
 608
 609                 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
 610         }
 611
 612         DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)  MSI-X %d\n",
 613            val, port, addr, msix);
 614
 615         REG_WR(bp, addr, val);
 616
 617         if (CHIP_IS_E1H(bp)) {
 618                 /* init leading/trailing edge */
 619                 if (IS_E1HMF(bp)) {
 620                         val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
 621                         if (bp->port.pmf)
 622                                 /* enable nig attention */
 623                                 val |= 0x0100;
 624                 } else
 625                         val = 0xffff;
 626
 627                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
 628                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
 629         }
 630 }
 631
 632 static void bnx2x_int_disable(struct bnx2x *bp)
 633 {
 634         int port = BP_PORT(bp);
 635         u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
 636         u32 val = REG_RD(bp, addr);
 637
 638         val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
 639                  HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
 640                  HC_CONFIG_0_REG_INT_LINE_EN_0 |
 641                  HC_CONFIG_0_REG_ATTN_BIT_EN_0);
 642
 643         DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
 644            val, port, addr);
 645
 646         REG_WR(bp, addr, val);
 647         if (REG_RD(bp, addr) != val)
 648                 BNX2X_ERR("BUG! proper val not read from IGU!\n");
 649 }
 650
 651 static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
 652 {
 653         int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
 654         int i;
 655
 656         /* disable interrupt handling */
 657         atomic_inc(&bp->intr_sem);
 658         if (disable_hw)
 659                 /* prevent the HW from sending interrupts */
 660                 bnx2x_int_disable(bp);
 661
 662         /* make sure all ISRs are done */
 663         if (msix) {
 664                 for_each_queue(bp, i)
 665                         synchronize_irq(bp->msix_table[i].vector);
 666
 667                 /* one more for the Slow Path IRQ */
 668                 synchronize_irq(bp->msix_table[i].vector);
 669         } else
 670                 synchronize_irq(bp->pdev->irq);
 671
 672         /* make sure sp_task is not running */
 673         cancel_delayed_work(&bp->sp_task);
 674         flush_workqueue(bnx2x_wq);
 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 static inline int bnx2x_has_tx_work(struct bnx2x_fastpath *fp)
 737 {
 738         u16 tx_cons_sb;
 739
 740         /* Tell compiler that status block fields can change */
 741         barrier();
 742         tx_cons_sb = le16_to_cpu(*fp->tx_cons_sb);
 743         return (fp->tx_pkt_cons != tx_cons_sb);
 744 }
 745
 746 static inline int bnx2x_has_tx_work_unload(struct bnx2x_fastpath *fp)
 747 {
 748         /* Tell compiler that consumer and producer can change */
 749         barrier();
 750         return (fp->tx_pkt_prod != fp->tx_pkt_cons);
 751
 752 }
 753
 754 /* free skb in the packet ring at pos idx
 755  * return idx of last bd freed
 756  */
 757 static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 758                              u16 idx)
 759 {
 760         struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
 761         struct eth_tx_bd *tx_bd;
 762         struct sk_buff *skb = tx_buf->skb;
 763         u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
 764         int nbd;
 765
 766         DP(BNX2X_MSG_OFF, "pkt_idx %d  buff @(%p)->skb %p\n",
 767            idx, tx_buf, skb);
 768
 769         /* unmap first bd */
 770         DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
 771         tx_bd = &fp->tx_desc_ring[bd_idx];
 772         pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
 773                          BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
 774
 775         nbd = le16_to_cpu(tx_bd->nbd) - 1;
 776         new_cons = nbd + tx_buf->first_bd;
 777 #ifdef BNX2X_STOP_ON_ERROR
 778         if (nbd > (MAX_SKB_FRAGS + 2)) {
 779                 BNX2X_ERR("BAD nbd!\n");
 780                 bnx2x_panic();
 781         }
 782 #endif
 783
 784         /* Skip a parse bd and the TSO split header bd
 785            since they have no mapping */
 786         if (nbd)
 787                 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
 788
 789         if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
 790                                            ETH_TX_BD_FLAGS_TCP_CSUM |
 791                                            ETH_TX_BD_FLAGS_SW_LSO)) {
 792                 if (--nbd)
 793                         bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
 794                 tx_bd = &fp->tx_desc_ring[bd_idx];
 795                 /* is this a TSO split header bd? */
 796                 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
 797                         if (--nbd)
 798                                 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
 799                 }
 800         }
 801
 802         /* now free frags */
 803         while (nbd > 0) {
 804
 805                 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
 806                 tx_bd = &fp->tx_desc_ring[bd_idx];
 807                 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
 808                                BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
 809                 if (--nbd)
 810                         bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
 811         }
 812
 813         /* release skb */
 814         WARN_ON(!skb);
 815         dev_kfree_skb(skb);
 816         tx_buf->first_bd = 0;
 817         tx_buf->skb = NULL;
 818
 819         return new_cons;
 820 }
 821
 822 static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
 823 {
 824         s16 used;
 825         u16 prod;
 826         u16 cons;
 827
 828         barrier(); /* Tell compiler that prod and cons can change */
 829         prod = fp->tx_bd_prod;
 830         cons = fp->tx_bd_cons;
 831
 832         /* NUM_TX_RINGS = number of "next-page" entries
 833            It will be used as a threshold */
 834         used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
 835
 836 #ifdef BNX2X_STOP_ON_ERROR
 837         WARN_ON(used < 0);
 838         WARN_ON(used > fp->bp->tx_ring_size);
 839         WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
 840 #endif
 841
 842         return (s16)(fp->bp->tx_ring_size) - used;
 843 }
 844
 845 static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
 846 {
 847         struct bnx2x *bp = fp->bp;
 848         u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
 849         int done = 0;
 850
 851 #ifdef BNX2X_STOP_ON_ERROR
 852         if (unlikely(bp->panic))
 853                 return;
 854 #endif
 855
 856         hw_cons = le16_to_cpu(*fp->tx_cons_sb);
 857         sw_cons = fp->tx_pkt_cons;
 858
 859         while (sw_cons != hw_cons) {
 860                 u16 pkt_cons;
 861
 862                 pkt_cons = TX_BD(sw_cons);
 863
 864                 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
 865
 866                 DP(NETIF_MSG_TX_DONE, "hw_cons %u  sw_cons %u  pkt_cons %u\n",
 867                    hw_cons, sw_cons, pkt_cons);
 868
 869 /*              if (NEXT_TX_IDX(sw_cons) != hw_cons) {
 870                         rmb();
 871                         prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
 872                 }
 873 */
 874                 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
 875                 sw_cons++;
 876                 done++;
 877
 878                 if (done == work)
 879                         break;
 880         }
 881
 882         fp->tx_pkt_cons = sw_cons;
 883         fp->tx_bd_cons = bd_cons;
 884
 885         /* Need to make the tx_cons update visible to start_xmit()
 886          * before checking for netif_queue_stopped().  Without the
 887          * memory barrier, there is a small possibility that start_xmit()
 888          * will miss it and cause the queue to be stopped forever.
 889          */
 890         smp_mb();
 891
 892         /* TBD need a thresh? */
 893         if (unlikely(netif_queue_stopped(bp->dev))) {
 894
 895                 netif_tx_lock(bp->dev);
 896
 897                 if (netif_queue_stopped(bp->dev) &&
 898                     (bp->state == BNX2X_STATE_OPEN) &&
 899                     (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
 900                         netif_wake_queue(bp->dev);
 901
 902                 netif_tx_unlock(bp->dev);
 903         }
 904 }
 905
 906
 907 static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
 908                            union eth_rx_cqe *rr_cqe)
 909 {
 910         struct bnx2x *bp = fp->bp;
 911         int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
 912         int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
 913
 914         DP(BNX2X_MSG_SP,
 915            "fp %d  cid %d  got ramrod #%d  state is %x  type is %d\n",
 916            FP_IDX(fp), cid, command, bp->state,
 917            rr_cqe->ramrod_cqe.ramrod_type);
 918
 919         bp->spq_left++;
 920
 921         if (FP_IDX(fp)) {
 922                 switch (command | fp->state) {
 923                 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
 924                                                 BNX2X_FP_STATE_OPENING):
 925                         DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
 926                            cid);
 927                         fp->state = BNX2X_FP_STATE_OPEN;
 928                         break;
 929
 930                 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
 931                         DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
 932                            cid);
 933                         fp->state = BNX2X_FP_STATE_HALTED;
 934                         break;
 935
 936                 default:
 937                         BNX2X_ERR("unexpected MC reply (%d)  "
 938                                   "fp->state is %x\n", command, fp->state);
 939                         break;
 940                 }
 941                 mb(); /* force bnx2x_wait_ramrod() to see the change */
 942                 return;
 943         }
 944
 945         switch (command | bp->state) {
 946         case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
 947                 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
 948                 bp->state = BNX2X_STATE_OPEN;
 949                 break;
 950
 951         case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
 952                 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
 953                 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
 954                 fp->state = BNX2X_FP_STATE_HALTED;
 955                 break;
 956
 957         case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
 958                 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
 959                 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
 960                 break;
 961
 962
 963         case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
 964         case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
 965                 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
 966                 bp->set_mac_pending = 0;
 967                 break;
 968
 969         case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
 970                 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
 971                 break;
 972
 973         default:
 974                 BNX2X_ERR("unexpected MC reply (%d)  bp->state is %x\n",
 975                           command, bp->state);
 976                 break;
 977         }
 978         mb(); /* force bnx2x_wait_ramrod() to see the change */
 979 }
 980
 981 static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
 982                                      struct bnx2x_fastpath *fp, u16 index)
 983 {
 984         struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
 985         struct page *page = sw_buf->page;
 986         struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
 987
 988         /* Skip "next page" elements */
 989         if (!page)
 990                 return;
 991
 992         pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
 993                        SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
 994         __free_pages(page, PAGES_PER_SGE_SHIFT);
 995
 996         sw_buf->page = NULL;
 997         sge->addr_hi = 0;
 998         sge->addr_lo = 0;
 999 }
1000
1001 static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
1002                                            struct bnx2x_fastpath *fp, int last)
1003 {
1004         int i;
1005
1006         for (i = 0; i < last; i++)
1007                 bnx2x_free_rx_sge(bp, fp, i);
1008 }
1009
1010 static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
1011                                      struct bnx2x_fastpath *fp, u16 index)
1012 {
1013         struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
1014         struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
1015         struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
1016         dma_addr_t mapping;
1017
1018         if (unlikely(page == NULL))
1019                 return -ENOMEM;
1020
1021         mapping = pci_map_page(bp->pdev, page, 0, SGE_PAGE_SIZE*PAGES_PER_SGE,
1022                                PCI_DMA_FROMDEVICE);
1023         if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1024                 __free_pages(page, PAGES_PER_SGE_SHIFT);
1025                 return -ENOMEM;
1026         }
1027
1028         sw_buf->page = page;
1029         pci_unmap_addr_set(sw_buf, mapping, mapping);
1030
1031         sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1032         sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1033
1034         return 0;
1035 }
1036
1037 static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1038                                      struct bnx2x_fastpath *fp, u16 index)
1039 {
1040         struct sk_buff *skb;
1041         struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1042         struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1043         dma_addr_t mapping;
1044
1045         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1046         if (unlikely(skb == NULL))
1047                 return -ENOMEM;
1048
1049         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size,
1050                                  PCI_DMA_FROMDEVICE);
1051         if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1052                 dev_kfree_skb(skb);
1053                 return -ENOMEM;
1054         }
1055
1056         rx_buf->skb = skb;
1057         pci_unmap_addr_set(rx_buf, mapping, mapping);
1058
1059         rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1060         rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1061
1062         return 0;
1063 }
1064
1065 /* note that we are not allocating a new skb,
1066  * we are just moving one from cons to prod
1067  * we are not creating a new mapping,
1068  * so there is no need to check for dma_mapping_error().
1069  */
1070 static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1071                                struct sk_buff *skb, u16 cons, u16 prod)
1072 {
1073         struct bnx2x *bp = fp->bp;
1074         struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1075         struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1076         struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1077         struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1078
1079         pci_dma_sync_single_for_device(bp->pdev,
1080                                        pci_unmap_addr(cons_rx_buf, mapping),
1081                                        bp->rx_offset + RX_COPY_THRESH,
1082                                        PCI_DMA_FROMDEVICE);
1083
1084         prod_rx_buf->skb = cons_rx_buf->skb;
1085         pci_unmap_addr_set(prod_rx_buf, mapping,
1086                            pci_unmap_addr(cons_rx_buf, mapping));
1087         *prod_bd = *cons_bd;
1088 }
1089
1090 static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1091                                              u16 idx)
1092 {
1093         u16 last_max = fp->last_max_sge;
1094
1095         if (SUB_S16(idx, last_max) > 0)
1096                 fp->last_max_sge = idx;
1097 }
1098
1099 static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1100 {
1101         int i, j;
1102
1103         for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1104                 int idx = RX_SGE_CNT * i - 1;
1105
1106                 for (j = 0; j < 2; j++) {
1107                         SGE_MASK_CLEAR_BIT(fp, idx);
1108                         idx--;
1109                 }
1110         }
1111 }
1112
1113 static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1114                                   struct eth_fast_path_rx_cqe *fp_cqe)
1115 {
1116         struct bnx2x *bp = fp->bp;
1117         u16 sge_len = SGE_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1118                                      le16_to_cpu(fp_cqe->len_on_bd)) >>
1119                       SGE_PAGE_SHIFT;
1120         u16 last_max, last_elem, first_elem;
1121         u16 delta = 0;
1122         u16 i;
1123
1124         if (!sge_len)
1125                 return;
1126
1127         /* First mark all used pages */
1128         for (i = 0; i < sge_len; i++)
1129                 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1130
1131         DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1132            sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1133
1134         /* Here we assume that the last SGE index is the biggest */
1135         prefetch((void *)(fp->sge_mask));
1136         bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1137
1138         last_max = RX_SGE(fp->last_max_sge);
1139         last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1140         first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1141
1142         /* If ring is not full */
1143         if (last_elem + 1 != first_elem)
1144                 last_elem++;
1145
1146         /* Now update the prod */
1147         for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1148                 if (likely(fp->sge_mask[i]))
1149                         break;
1150
1151                 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1152                 delta += RX_SGE_MASK_ELEM_SZ;
1153         }
1154
1155         if (delta > 0) {
1156                 fp->rx_sge_prod += delta;
1157                 /* clear page-end entries */
1158                 bnx2x_clear_sge_mask_next_elems(fp);
1159         }
1160
1161         DP(NETIF_MSG_RX_STATUS,
1162            "fp->last_max_sge = %d  fp->rx_sge_prod = %d\n",
1163            fp->last_max_sge, fp->rx_sge_prod);
1164 }
1165
1166 static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1167 {
1168         /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1169         memset(fp->sge_mask, 0xff,
1170                (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1171
1172         /* Clear the two last indices in the page to 1:
1173            these are the indices that correspond to the "next" element,
1174            hence will never be indicated and should be removed from
1175            the calculations. */
1176         bnx2x_clear_sge_mask_next_elems(fp);
1177 }
1178
1179 static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1180                             struct sk_buff *skb, u16 cons, u16 prod)
1181 {
1182         struct bnx2x *bp = fp->bp;
1183         struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1184         struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1185         struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1186         dma_addr_t mapping;
1187
1188         /* move empty skb from pool to prod and map it */
1189         prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1190         mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1191                                  bp->rx_buf_size, PCI_DMA_FROMDEVICE);
1192         pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1193
1194         /* move partial skb from cons to pool (don't unmap yet) */
1195         fp->tpa_pool[queue] = *cons_rx_buf;
1196
1197         /* mark bin state as start - print error if current state != stop */
1198         if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1199                 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1200
1201         fp->tpa_state[queue] = BNX2X_TPA_START;
1202
1203         /* point prod_bd to new skb */
1204         prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1205         prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1206
1207 #ifdef BNX2X_STOP_ON_ERROR
1208         fp->tpa_queue_used |= (1 << queue);
1209 #ifdef __powerpc64__
1210         DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1211 #else
1212         DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1213 #endif
1214            fp->tpa_queue_used);
1215 #endif
1216 }
1217
1218 static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1219                                struct sk_buff *skb,
1220                                struct eth_fast_path_rx_cqe *fp_cqe,
1221                                u16 cqe_idx)
1222 {
1223         struct sw_rx_page *rx_pg, old_rx_pg;
1224         u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1225         u32 i, frag_len, frag_size, pages;
1226         int err;
1227         int j;
1228
1229         frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1230         pages = SGE_PAGE_ALIGN(frag_size) >> SGE_PAGE_SHIFT;
1231
1232         /* This is needed in order to enable forwarding support */
1233         if (frag_size)
1234                 skb_shinfo(skb)->gso_size = min((u32)SGE_PAGE_SIZE,
1235                                                max(frag_size, (u32)len_on_bd));
1236
1237 #ifdef BNX2X_STOP_ON_ERROR
1238         if (pages >
1239             min((u32)8, (u32)MAX_SKB_FRAGS) * SGE_PAGE_SIZE * PAGES_PER_SGE) {
1240                 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1241                           pages, cqe_idx);
1242                 BNX2X_ERR("fp_cqe->pkt_len = %d  fp_cqe->len_on_bd = %d\n",
1243                           fp_cqe->pkt_len, len_on_bd);
1244                 bnx2x_panic();
1245                 return -EINVAL;
1246         }
1247 #endif
1248
1249         /* Run through the SGL and compose the fragmented skb */
1250         for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1251                 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1252
1253                 /* FW gives the indices of the SGE as if the ring is an array
1254                    (meaning that "next" element will consume 2 indices) */
1255                 frag_len = min(frag_size, (u32)(SGE_PAGE_SIZE*PAGES_PER_SGE));
1256                 rx_pg = &fp->rx_page_ring[sge_idx];
1257                 old_rx_pg = *rx_pg;
1258
1259                 /* If we fail to allocate a substitute page, we simply stop
1260                    where we are and drop the whole packet */
1261                 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1262                 if (unlikely(err)) {
1263                         bp->eth_stats.rx_skb_alloc_failed++;
1264                         return err;
1265                 }
1266
1267                 /* Unmap the page as we r going to pass it to the stack */
1268                 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1269                               SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1270
1271                 /* Add one frag and update the appropriate fields in the skb */
1272                 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1273
1274                 skb->data_len += frag_len;
1275                 skb->truesize += frag_len;
1276                 skb->len += frag_len;
1277
1278                 frag_size -= frag_len;
1279         }
1280
1281         return 0;
1282 }
1283
1284 static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1285                            u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1286                            u16 cqe_idx)
1287 {
1288         struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1289         struct sk_buff *skb = rx_buf->skb;
1290         /* alloc new skb */
1291         struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1292
1293         /* Unmap skb in the pool anyway, as we are going to change
1294            pool entry status to BNX2X_TPA_STOP even if new skb allocation
1295            fails. */
1296         pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1297                          bp->rx_buf_size, PCI_DMA_FROMDEVICE);
1298
1299         if (likely(new_skb)) {
1300                 /* fix ip xsum and give it to the stack */
1301                 /* (no need to map the new skb) */
1302 #ifdef BCM_VLAN
1303                 int is_vlan_cqe =
1304                         (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1305                          PARSING_FLAGS_VLAN);
1306                 int is_not_hwaccel_vlan_cqe =
1307                         (is_vlan_cqe && (!(bp->flags & HW_VLAN_RX_FLAG)));
1308 #endif
1309
1310                 prefetch(skb);
1311                 prefetch(((char *)(skb)) + 128);
1312
1313 #ifdef BNX2X_STOP_ON_ERROR
1314                 if (pad + len > bp->rx_buf_size) {
1315                         BNX2X_ERR("skb_put is about to fail...  "
1316                                   "pad %d  len %d  rx_buf_size %d\n",
1317                                   pad, len, bp->rx_buf_size);
1318                         bnx2x_panic();
1319                         return;
1320                 }
1321 #endif
1322
1323                 skb_reserve(skb, pad);
1324                 skb_put(skb, len);
1325
1326                 skb->protocol = eth_type_trans(skb, bp->dev);
1327                 skb->ip_summed = CHECKSUM_UNNECESSARY;
1328
1329                 {
1330                         struct iphdr *iph;
1331
1332                         iph = (struct iphdr *)skb->data;
1333 #ifdef BCM_VLAN
1334                         /* If there is no Rx VLAN offloading -
1335                            take VLAN tag into an account */
1336                         if (unlikely(is_not_hwaccel_vlan_cqe))
1337                                 iph = (struct iphdr *)((u8 *)iph + VLAN_HLEN);
1338 #endif
1339                         iph->check = 0;
1340                         iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1341                 }
1342
1343                 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1344                                          &cqe->fast_path_cqe, cqe_idx)) {
1345 #ifdef BCM_VLAN
1346                         if ((bp->vlgrp != NULL) && is_vlan_cqe &&
1347                             (!is_not_hwaccel_vlan_cqe))
1348                                 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1349                                                 le16_to_cpu(cqe->fast_path_cqe.
1350                                                             vlan_tag));
1351                         else
1352 #endif
1353                                 netif_receive_skb(skb);
1354                 } else {
1355                         DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1356                            " - dropping packet!\n");
1357                         dev_kfree_skb(skb);
1358                 }
1359
1360
1361                 /* put new skb in bin */
1362                 fp->tpa_pool[queue].skb = new_skb;
1363
1364         } else {
1365                 /* else drop the packet and keep the buffer in the bin */
1366                 DP(NETIF_MSG_RX_STATUS,
1367                    "Failed to allocate new skb - dropping packet!\n");
1368                 bp->eth_stats.rx_skb_alloc_failed++;
1369         }
1370
1371         fp->tpa_state[queue] = BNX2X_TPA_STOP;
1372 }
1373
1374 static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1375                                         struct bnx2x_fastpath *fp,
1376                                         u16 bd_prod, u16 rx_comp_prod,
1377                                         u16 rx_sge_prod)
1378 {
1379         struct tstorm_eth_rx_producers rx_prods = {0};
1380         int i;
1381
1382         /* Update producers */
1383         rx_prods.bd_prod = bd_prod;
1384         rx_prods.cqe_prod = rx_comp_prod;
1385         rx_prods.sge_prod = rx_sge_prod;
1386
1387         /*
1388          * Make sure that the BD and SGE data is updated before updating the
1389          * producers since FW might read the BD/SGE right after the producer
1390          * is updated.
1391          * This is only applicable for weak-ordered memory model archs such
1392          * as IA-64. The following barrier is also mandatory since FW will
1393          * assumes BDs must have buffers.
1394          */
1395         wmb();
1396
1397         for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1398                 REG_WR(bp, BAR_TSTRORM_INTMEM +
1399                        TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1400                        ((u32 *)&rx_prods)[i]);
1401
1402         mmiowb(); /* keep prod updates ordered */
1403
1404         DP(NETIF_MSG_RX_STATUS,
1405            "Wrote: bd_prod %u  cqe_prod %u  sge_prod %u\n",
1406            bd_prod, rx_comp_prod, rx_sge_prod);
1407 }
1408
1409 static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1410 {
1411         struct bnx2x *bp = fp->bp;
1412         u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
1413         u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1414         int rx_pkt = 0;
1415
1416 #ifdef BNX2X_STOP_ON_ERROR
1417         if (unlikely(bp->panic))
1418                 return 0;
1419 #endif
1420
1421         /* CQ "next element" is of the size of the regular element,
1422            that's why it's ok here */
1423         hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1424         if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1425                 hw_comp_cons++;
1426
1427         bd_cons = fp->rx_bd_cons;
1428         bd_prod = fp->rx_bd_prod;
1429         bd_prod_fw = bd_prod;
1430         sw_comp_cons = fp->rx_comp_cons;
1431         sw_comp_prod = fp->rx_comp_prod;
1432
1433         /* Memory barrier necessary as speculative reads of the rx
1434          * buffer can be ahead of the index in the status block
1435          */
1436         rmb();
1437
1438         DP(NETIF_MSG_RX_STATUS,
1439            "queue[%d]:  hw_comp_cons %u  sw_comp_cons %u\n",
1440            FP_IDX(fp), hw_comp_cons, sw_comp_cons);
1441
1442         while (sw_comp_cons != hw_comp_cons) {
1443                 struct sw_rx_bd *rx_buf = NULL;
1444                 struct sk_buff *skb;
1445                 union eth_rx_cqe *cqe;
1446                 u8 cqe_fp_flags;
1447                 u16 len, pad;
1448
1449                 comp_ring_cons = RCQ_BD(sw_comp_cons);
1450                 bd_prod = RX_BD(bd_prod);
1451                 bd_cons = RX_BD(bd_cons);
1452
1453                 cqe = &fp->rx_comp_ring[comp_ring_cons];
1454                 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1455
1456                 DP(NETIF_MSG_RX_STATUS, "CQE type %x  err %x  status %x"
1457                    "  queue %x  vlan %x  len %u\n", CQE_TYPE(cqe_fp_flags),
1458                    cqe_fp_flags, cqe->fast_path_cqe.status_flags,
1459                    le32_to_cpu(cqe->fast_path_cqe.rss_hash_result),
1460                    le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1461                    le16_to_cpu(cqe->fast_path_cqe.pkt_len));
1462
1463                 /* is this a slowpath msg? */
1464                 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
1465                         bnx2x_sp_event(fp, cqe);
1466                         goto next_cqe;
1467
1468                 /* this is an rx packet */
1469                 } else {
1470                         rx_buf = &fp->rx_buf_ring[bd_cons];
1471                         skb = rx_buf->skb;
1472                         len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1473                         pad = cqe->fast_path_cqe.placement_offset;
1474
1475                         /* If CQE is marked both TPA_START and TPA_END
1476                            it is a non-TPA CQE */
1477                         if ((!fp->disable_tpa) &&
1478                             (TPA_TYPE(cqe_fp_flags) !=
1479                                         (TPA_TYPE_START | TPA_TYPE_END))) {
1480                                 u16 queue = cqe->fast_path_cqe.queue_index;
1481
1482                                 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1483                                         DP(NETIF_MSG_RX_STATUS,
1484                                            "calling tpa_start on queue %d\n",
1485                                            queue);
1486
1487                                         bnx2x_tpa_start(fp, queue, skb,
1488                                                         bd_cons, bd_prod);
1489                                         goto next_rx;
1490                                 }
1491
1492                                 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1493                                         DP(NETIF_MSG_RX_STATUS,
1494                                            "calling tpa_stop on queue %d\n",
1495                                            queue);
1496
1497                                         if (!BNX2X_RX_SUM_FIX(cqe))
1498                                                 BNX2X_ERR("STOP on none TCP "
1499                                                           "data\n");
1500
1501                                         /* This is a size of the linear data
1502                                            on this skb */
1503                                         len = le16_to_cpu(cqe->fast_path_cqe.
1504                                                                 len_on_bd);
1505                                         bnx2x_tpa_stop(bp, fp, queue, pad,
1506                                                     len, cqe, comp_ring_cons);
1507 #ifdef BNX2X_STOP_ON_ERROR
1508                                         if (bp->panic)
1509                                                 return -EINVAL;
1510 #endif
1511
1512                                         bnx2x_update_sge_prod(fp,
1513                                                         &cqe->fast_path_cqe);
1514                                         goto next_cqe;
1515                                 }
1516                         }
1517
1518                         pci_dma_sync_single_for_device(bp->pdev,
1519                                         pci_unmap_addr(rx_buf, mapping),
1520                                                        pad + RX_COPY_THRESH,
1521                                                        PCI_DMA_FROMDEVICE);
1522                         prefetch(skb);
1523                         prefetch(((char *)(skb)) + 128);
1524
1525                         /* is this an error packet? */
1526                         if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
1527                                 DP(NETIF_MSG_RX_ERR,
1528                                    "ERROR  flags %x  rx packet %u\n",
1529                                    cqe_fp_flags, sw_comp_cons);
1530                                 bp->eth_stats.rx_err_discard_pkt++;
1531                                 goto reuse_rx;
1532                         }
1533
1534                         /* Since we don't have a jumbo ring
1535                          * copy small packets if mtu > 1500
1536                          */
1537                         if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1538                             (len <= RX_COPY_THRESH)) {
1539                                 struct sk_buff *new_skb;
1540
1541                                 new_skb = netdev_alloc_skb(bp->dev,
1542                                                            len + pad);
1543                                 if (new_skb == NULL) {
1544                                         DP(NETIF_MSG_RX_ERR,
1545                                            "ERROR  packet dropped "
1546                                            "because of alloc failure\n");
1547                                         bp->eth_stats.rx_skb_alloc_failed++;
1548                                         goto reuse_rx;
1549                                 }
1550
1551                                 /* aligned copy */
1552                                 skb_copy_from_linear_data_offset(skb, pad,
1553                                                     new_skb->data + pad, len);
1554                                 skb_reserve(new_skb, pad);
1555                                 skb_put(new_skb, len);
1556
1557                                 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1558
1559                                 skb = new_skb;
1560
1561                         } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1562                                 pci_unmap_single(bp->pdev,
1563                                         pci_unmap_addr(rx_buf, mapping),
1564                                                  bp->rx_buf_size,
1565                                                  PCI_DMA_FROMDEVICE);
1566                                 skb_reserve(skb, pad);
1567                                 skb_put(skb, len);
1568
1569                         } else {
1570                                 DP(NETIF_MSG_RX_ERR,
1571                                    "ERROR  packet dropped because "
1572                                    "of alloc failure\n");
1573                                 bp->eth_stats.rx_skb_alloc_failed++;
1574 reuse_rx:
1575                                 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1576                                 goto next_rx;
1577                         }
1578
1579                         skb->protocol = eth_type_trans(skb, bp->dev);
1580
1581                         skb->ip_summed = CHECKSUM_NONE;
1582                         if (bp->rx_csum) {
1583                                 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1584                                         skb->ip_summed = CHECKSUM_UNNECESSARY;
1585                                 else
1586                                         bp->eth_stats.hw_csum_err++;
1587                         }
1588                 }
1589
1590 #ifdef BCM_VLAN
1591                 if ((bp->vlgrp != NULL) && (bp->flags & HW_VLAN_RX_FLAG) &&
1592                     (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1593                      PARSING_FLAGS_VLAN))
1594                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1595                                 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1596                 else
1597 #endif
1598                         netif_receive_skb(skb);
1599
1600
1601 next_rx:
1602                 rx_buf->skb = NULL;
1603
1604                 bd_cons = NEXT_RX_IDX(bd_cons);
1605                 bd_prod = NEXT_RX_IDX(bd_prod);
1606                 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1607                 rx_pkt++;
1608 next_cqe:
1609                 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1610                 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
1611
1612                 if (rx_pkt == budget)
1613                         break;
1614         } /* while */
1615
1616         fp->rx_bd_cons = bd_cons;
1617         fp->rx_bd_prod = bd_prod_fw;
1618         fp->rx_comp_cons = sw_comp_cons;
1619         fp->rx_comp_prod = sw_comp_prod;
1620
1621         /* Update producers */
1622         bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1623                              fp->rx_sge_prod);
1624
1625         fp->rx_pkt += rx_pkt;
1626         fp->rx_calls++;
1627
1628         return rx_pkt;
1629 }
1630
1631 static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1632 {
1633         struct bnx2x_fastpath *fp = fp_cookie;
1634         struct bnx2x *bp = fp->bp;
1635         int index = FP_IDX(fp);
1636
1637         /* Return here if interrupt is disabled */
1638         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1639                 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1640                 return IRQ_HANDLED;
1641         }
1642
1643         DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1644            index, FP_SB_ID(fp));
1645         bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
1646
1647 #ifdef BNX2X_STOP_ON_ERROR
1648         if (unlikely(bp->panic))
1649                 return IRQ_HANDLED;
1650 #endif
1651
1652         prefetch(fp->rx_cons_sb);
1653         prefetch(fp->tx_cons_sb);
1654         prefetch(&fp->status_blk->c_status_block.status_block_index);
1655         prefetch(&fp->status_blk->u_status_block.status_block_index);
1656
1657         netif_rx_schedule(&bnx2x_fp(bp, index, napi));
1658
1659         return IRQ_HANDLED;
1660 }
1661
1662 static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1663 {
1664         struct net_device *dev = dev_instance;
1665         struct bnx2x *bp = netdev_priv(dev);
1666         u16 status = bnx2x_ack_int(bp);
1667         u16 mask;
1668
1669         /* Return here if interrupt is shared and it's not for us */
1670         if (unlikely(status == 0)) {
1671                 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1672                 return IRQ_NONE;
1673         }
1674         DP(NETIF_MSG_INTR, "got an interrupt  status %u\n", status);
1675
1676         /* Return here if interrupt is disabled */
1677         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1678                 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1679                 return IRQ_HANDLED;
1680         }
1681
1682 #ifdef BNX2X_STOP_ON_ERROR
1683         if (unlikely(bp->panic))
1684                 return IRQ_HANDLED;
1685 #endif
1686
1687         mask = 0x2 << bp->fp[0].sb_id;
1688         if (status & mask) {
1689                 struct bnx2x_fastpath *fp = &bp->fp[0];
1690
1691                 prefetch(fp->rx_cons_sb);
1692                 prefetch(fp->tx_cons_sb);
1693                 prefetch(&fp->status_blk->c_status_block.status_block_index);
1694                 prefetch(&fp->status_blk->u_status_block.status_block_index);
1695
1696                 netif_rx_schedule(&bnx2x_fp(bp, 0, napi));
1697
1698                 status &= ~mask;
1699         }
1700
1701
1702         if (unlikely(status & 0x1)) {
1703                 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1704
1705                 status &= ~0x1;
1706                 if (!status)
1707                         return IRQ_HANDLED;
1708         }
1709
1710         if (status)
1711                 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1712                    status);
1713
1714         return IRQ_HANDLED;
1715 }
1716
1717 /* end of fast path */
1718
1719 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
1720
1721 /* Link */
1722
1723 /*
1724  * General service functions
1725  */
1726
1727 static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1728 {
1729         u32 lock_status;
1730         u32 resource_bit = (1 << resource);
1731         int func = BP_FUNC(bp);
1732         u32 hw_lock_control_reg;
1733         int cnt;
1734
1735         /* Validating that the resource is within range */
1736         if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1737                 DP(NETIF_MSG_HW,
1738                    "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1739                    resource, HW_LOCK_MAX_RESOURCE_VALUE);
1740                 return -EINVAL;
1741         }
1742
1743         if (func <= 5) {
1744                 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1745         } else {
1746                 hw_lock_control_reg =
1747                                 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1748         }
1749
1750         /* Validating that the resource is not already taken */
1751         lock_status = REG_RD(bp, hw_lock_control_reg);
1752         if (lock_status & resource_bit) {
1753                 DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
1754                    lock_status, resource_bit);
1755                 return -EEXIST;
1756         }
1757
1758         /* Try for 5 second every 5ms */
1759         for (cnt = 0; cnt < 1000; cnt++) {
1760                 /* Try to acquire the lock */
1761                 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1762                 lock_status = REG_RD(bp, hw_lock_control_reg);
1763                 if (lock_status & resource_bit)
1764                         return 0;
1765
1766                 msleep(5);
1767         }
1768         DP(NETIF_MSG_HW, "Timeout\n");
1769         return -EAGAIN;
1770 }
1771
1772 static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
1773 {
1774         u32 lock_status;
1775         u32 resource_bit = (1 << resource);
1776         int func = BP_FUNC(bp);
1777         u32 hw_lock_control_reg;
1778
1779         /* Validating that the resource is within range */
1780         if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1781                 DP(NETIF_MSG_HW,
1782                    "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1783                    resource, HW_LOCK_MAX_RESOURCE_VALUE);
1784                 return -EINVAL;
1785         }
1786
1787         if (func <= 5) {
1788                 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1789         } else {
1790                 hw_lock_control_reg =
1791                                 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1792         }
1793
1794         /* Validating that the resource is currently taken */
1795         lock_status = REG_RD(bp, hw_lock_control_reg);
1796         if (!(lock_status & resource_bit)) {
1797                 DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
1798                    lock_status, resource_bit);
1799                 return -EFAULT;
1800         }
1801
1802         REG_WR(bp, hw_lock_control_reg, resource_bit);
1803         return 0;
1804 }
1805
1806 /* HW Lock for shared dual port PHYs */
1807 static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
1808 {
1809         u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1810
1811         mutex_lock(&bp->port.phy_mutex);
1812
1813         if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1814             (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1815                 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1816 }
1817
1818 static void bnx2x_release_phy_lock(struct bnx2x *bp)
1819 {
1820         u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1821
1822         if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1823             (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1824                 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1825
1826         mutex_unlock(&bp->port.phy_mutex);
1827 }
1828
1829 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1830 {
1831         /* The GPIO should be swapped if swap register is set and active */
1832         int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1833                          REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1834         int gpio_shift = gpio_num +
1835                         (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1836         u32 gpio_mask = (1 << gpio_shift);
1837         u32 gpio_reg;
1838
1839         if (gpio_num > MISC_REGISTERS_GPIO_3) {
1840                 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1841                 return -EINVAL;
1842         }
1843
1844         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1845         /* read GPIO and mask except the float bits */
1846         gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1847
1848         switch (mode) {
1849         case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1850                 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1851                    gpio_num, gpio_shift);
1852                 /* clear FLOAT and set CLR */
1853                 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1854                 gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1855                 break;
1856
1857         case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1858                 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1859                    gpio_num, gpio_shift);
1860                 /* clear FLOAT and set SET */
1861                 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1862                 gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1863                 break;
1864
1865         case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1866                 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1867                    gpio_num, gpio_shift);
1868                 /* set FLOAT */
1869                 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1870                 break;
1871
1872         default:
1873                 break;
1874         }
1875
1876         REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1877         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1878
1879         return 0;
1880 }
1881
1882 static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1883 {
1884         u32 spio_mask = (1 << spio_num);
1885         u32 spio_reg;
1886
1887         if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1888             (spio_num > MISC_REGISTERS_SPIO_7)) {
1889                 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1890                 return -EINVAL;
1891         }
1892
1893         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1894         /* read SPIO and mask except the float bits */
1895         spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1896
1897         switch (mode) {
1898         case MISC_REGISTERS_SPIO_OUTPUT_LOW:
1899                 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1900                 /* clear FLOAT and set CLR */
1901                 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1902                 spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1903                 break;
1904
1905         case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
1906                 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1907                 /* clear FLOAT and set SET */
1908                 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1909                 spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1910                 break;
1911
1912         case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1913                 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1914                 /* set FLOAT */
1915                 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1916                 break;
1917
1918         default:
1919                 break;
1920         }
1921
1922         REG_WR(bp, MISC_REG_SPIO, spio_reg);
1923         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1924
1925         return 0;
1926 }
1927
1928 static void bnx2x_calc_fc_adv(struct bnx2x *bp)
1929 {
1930         switch (bp->link_vars.ieee_fc &
1931                 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
1932         case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1933                 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1934                                           ADVERTISED_Pause);
1935                 break;
1936         case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1937                 bp->port.advertising |= (ADVERTISED_Asym_Pause |
1938                                          ADVERTISED_Pause);
1939                 break;
1940         case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1941                 bp->port.advertising |= ADVERTISED_Asym_Pause;
1942                 break;
1943         default:
1944                 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1945                                           ADVERTISED_Pause);
1946                 break;
1947         }
1948 }
1949
1950 static void bnx2x_link_report(struct bnx2x *bp)
1951 {
1952         if (bp->link_vars.link_up) {
1953                 if (bp->state == BNX2X_STATE_OPEN)
1954                         netif_carrier_on(bp->dev);
1955                 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1956
1957                 printk("%d Mbps ", bp->link_vars.line_speed);
1958
1959                 if (bp->link_vars.duplex == DUPLEX_FULL)
1960                         printk("full duplex");
1961                 else
1962                         printk("half duplex");
1963
1964                 if (bp->link_vars.flow_ctrl != BNX2X_FLOW_CTRL_NONE) {
1965                         if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) {
1966                                 printk(", receive ");
1967                                 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
1968                                         printk("& transmit ");
1969                         } else {
1970                                 printk(", transmit ");
1971                         }
1972                         printk("flow control ON");
1973                 }
1974                 printk("\n");
1975
1976         } else { /* link_down */
1977                 netif_carrier_off(bp->dev);
1978                 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
1979         }
1980 }
1981
1982 static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
1983 {
1984         if (!BP_NOMCP(bp)) {
1985                 u8 rc;
1986
1987                 /* Initialize link parameters structure variables */
1988                 /* It is recommended to turn off RX FC for jumbo frames
1989                    for better performance */
1990                 if (IS_E1HMF(bp))
1991                         bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
1992                 else if (bp->dev->mtu > 5000)
1993                         bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
1994                 else
1995                         bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
1996
1997                 bnx2x_acquire_phy_lock(bp);
1998                 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1999                 bnx2x_release_phy_lock(bp);
2000
2001                 bnx2x_calc_fc_adv(bp);
2002
2003                 if (bp->link_vars.link_up)
2004                         bnx2x_link_report(bp);
2005
2006
2007                 return rc;
2008         }
2009         BNX2X_ERR("Bootcode is missing -not initializing link\n");
2010         return -EINVAL;
2011 }
2012
2013 static void bnx2x_link_set(struct bnx2x *bp)
2014 {
2015         if (!BP_NOMCP(bp)) {
2016                 bnx2x_acquire_phy_lock(bp);
2017                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
2018                 bnx2x_release_phy_lock(bp);
2019
2020                 bnx2x_calc_fc_adv(bp);
2021         } else
2022                 BNX2X_ERR("Bootcode is missing -not setting link\n");
2023 }
2024
2025 static void bnx2x__link_reset(struct bnx2x *bp)
2026 {
2027         if (!BP_NOMCP(bp)) {
2028                 bnx2x_acquire_phy_lock(bp);
2029                 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
2030                 bnx2x_release_phy_lock(bp);
2031         } else
2032                 BNX2X_ERR("Bootcode is missing -not resetting link\n");
2033 }
2034
2035 static u8 bnx2x_link_test(struct bnx2x *bp)
2036 {
2037         u8 rc;
2038
2039         bnx2x_acquire_phy_lock(bp);
2040         rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
2041         bnx2x_release_phy_lock(bp);
2042
2043         return rc;
2044 }
2045
2046 /* Calculates the sum of vn_min_rates.
2047    It's needed for further normalizing of the min_rates.
2048
2049    Returns:
2050      sum of vn_min_rates
2051        or
2052      0 - if all the min_rates are 0.
2053      In the later case fairness algorithm should be deactivated.
2054      If not all min_rates are zero then those that are zeroes will
2055      be set to 1.
2056  */
2057 static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2058 {
2059         int i, port = BP_PORT(bp);
2060         u32 wsum = 0;
2061         int all_zero = 1;
2062
2063         for (i = 0; i < E1HVN_MAX; i++) {
2064                 u32 vn_cfg =
2065                         SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2066                 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2067                                      FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2068                 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2069                         /* If min rate is zero - set it to 1 */
2070                         if (!vn_min_rate)
2071                                 vn_min_rate = DEF_MIN_RATE;
2072                         else
2073                                 all_zero = 0;
2074
2075                         wsum += vn_min_rate;
2076                 }
2077         }
2078
2079         /* ... only if all min rates are zeros - disable FAIRNESS */
2080         if (all_zero)
2081                 return 0;
2082
2083         return wsum;
2084 }
2085
2086 static void bnx2x_init_port_minmax(struct bnx2x *bp,
2087                                    int en_fness,
2088                                    u16 port_rate,
2089                                    struct cmng_struct_per_port *m_cmng_port)
2090 {
2091         u32 r_param = port_rate / 8;
2092         int port = BP_PORT(bp);
2093         int i;
2094
2095         memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2096
2097         /* Enable minmax only if we are in e1hmf mode */
2098         if (IS_E1HMF(bp)) {
2099                 u32 fair_periodic_timeout_usec;
2100                 u32 t_fair;
2101
2102                 /* Enable rate shaping and fairness */
2103                 m_cmng_port->flags.cmng_vn_enable = 1;
2104                 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2105                 m_cmng_port->flags.rate_shaping_enable = 1;
2106
2107                 if (!en_fness)
2108                         DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2109                            "  fairness will be disabled\n");
2110
2111                 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2112                 m_cmng_port->rs_vars.rs_periodic_timeout =
2113                                                 RS_PERIODIC_TIMEOUT_USEC / 4;
2114
2115                 /* this is the threshold below which no timer arming will occur
2116                    1.25 coefficient is for the threshold to be a little bigger
2117                    than the real time, to compensate for timer in-accuracy */
2118                 m_cmng_port->rs_vars.rs_threshold =
2119                                 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2120
2121                 /* resolution of fairness timer */
2122                 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2123                 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2124                 t_fair = T_FAIR_COEF / port_rate;
2125
2126                 /* this is the threshold below which we won't arm
2127                    the timer anymore */
2128                 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2129
2130                 /* we multiply by 1e3/8 to get bytes/msec.
2131                    We don't want the credits to pass a credit
2132                    of the T_FAIR*FAIR_MEM (algorithm resolution) */
2133                 m_cmng_port->fair_vars.upper_bound =
2134                                                 r_param * t_fair * FAIR_MEM;
2135                 /* since each tick is 4 usec */
2136                 m_cmng_port->fair_vars.fairness_timeout =
2137                                                 fair_periodic_timeout_usec / 4;
2138
2139         } else {
2140                 /* Disable rate shaping and fairness */
2141                 m_cmng_port->flags.cmng_vn_enable = 0;
2142                 m_cmng_port->flags.fairness_enable = 0;
2143                 m_cmng_port->flags.rate_shaping_enable = 0;
2144
2145                 DP(NETIF_MSG_IFUP,
2146                    "Single function mode  minmax will be disabled\n");
2147         }
2148
2149         /* Store it to internal memory */
2150         for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2151                 REG_WR(bp, BAR_XSTRORM_INTMEM +
2152                        XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2153                        ((u32 *)(m_cmng_port))[i]);
2154 }
2155
2156 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2157                                    u32 wsum, u16 port_rate,
2158                                  struct cmng_struct_per_port *m_cmng_port)
2159 {
2160         struct rate_shaping_vars_per_vn m_rs_vn;
2161         struct fairness_vars_per_vn m_fair_vn;
2162         u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2163         u16 vn_min_rate, vn_max_rate;
2164         int i;
2165
2166         /* If function is hidden - set min and max to zeroes */
2167         if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2168                 vn_min_rate = 0;
2169                 vn_max_rate = 0;
2170
2171         } else {
2172                 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2173                                 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2174                 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2175                    if current min rate is zero - set it to 1.
2176                    This is a requirement of the algorithm. */
2177                 if ((vn_min_rate == 0) && wsum)
2178                         vn_min_rate = DEF_MIN_RATE;
2179                 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2180                                 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2181         }
2182
2183         DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d  vn_max_rate=%d  "
2184            "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2185
2186         memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2187         memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2188
2189         /* global vn counter - maximal Mbps for this vn */
2190         m_rs_vn.vn_counter.rate = vn_max_rate;
2191
2192         /* quota - number of bytes transmitted in this period */
2193         m_rs_vn.vn_counter.quota =
2194                                 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2195
2196 #ifdef BNX2X_PER_PROT_QOS
2197         /* per protocol counter */
2198         for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2199                 /* maximal Mbps for this protocol */
2200                 m_rs_vn.protocol_counters[protocol].rate =
2201                                                 protocol_max_rate[protocol];
2202                 /* the quota in each timer period -
2203                    number of bytes transmitted in this period */
2204                 m_rs_vn.protocol_counters[protocol].quota =
2205                         (u32)(rs_periodic_timeout_usec *
2206                           ((double)m_rs_vn.
2207                                    protocol_counters[protocol].rate/8));
2208         }
2209 #endif
2210
2211         if (wsum) {
2212                 /* credit for each period of the fairness algorithm:
2213                    number of bytes in T_FAIR (the vn share the port rate).
2214                    wsum should not be larger than 10000, thus
2215                    T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2216                 m_fair_vn.vn_credit_delta =
2217                         max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2218                             (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2219                 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2220                    m_fair_vn.vn_credit_delta);
2221         }
2222
2223 #ifdef BNX2X_PER_PROT_QOS
2224         do {
2225                 u32 protocolWeightSum = 0;
2226
2227                 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2228                         protocolWeightSum +=
2229                                         drvInit.protocol_min_rate[protocol];
2230                 /* per protocol counter -
2231                    NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2232                 if (protocolWeightSum > 0) {
2233                         for (protocol = 0;
2234                              protocol < NUM_OF_PROTOCOLS; protocol++)
2235                                 /* credit for each period of the
2236                                    fairness algorithm - number of bytes in
2237                                    T_FAIR (the protocol share the vn rate) */
2238                                 m_fair_vn.protocol_credit_delta[protocol] =
2239                                         (u32)((vn_min_rate / 8) * t_fair *
2240                                         protocol_min_rate / protocolWeightSum);
2241                 }
2242         } while (0);
2243 #endif
2244
2245         /* Store it to internal memory */
2246         for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2247                 REG_WR(bp, BAR_XSTRORM_INTMEM +
2248                        XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2249                        ((u32 *)(&m_rs_vn))[i]);
2250
2251         for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2252                 REG_WR(bp, BAR_XSTRORM_INTMEM +
2253                        XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2254                        ((u32 *)(&m_fair_vn))[i]);
2255 }
2256
2257 /* This function is called upon link interrupt */
2258 static void bnx2x_link_attn(struct bnx2x *bp)
2259 {
2260         int vn;
2261
2262         /* Make sure that we are synced with the current statistics */
2263         bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2264
2265         bnx2x_link_update(&bp->link_params, &bp->link_vars);
2266
2267         if (bp->link_vars.link_up) {
2268
2269                 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2270                         struct host_port_stats *pstats;
2271
2272                         pstats = bnx2x_sp(bp, port_stats);
2273                         /* reset old bmac stats */
2274                         memset(&(pstats->mac_stx[0]), 0,
2275                                sizeof(struct mac_stx));
2276                 }
2277                 if ((bp->state == BNX2X_STATE_OPEN) ||
2278                     (bp->state == BNX2X_STATE_DISABLED))
2279                         bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2280         }
2281
2282         /* indicate link status */
2283         bnx2x_link_report(bp);
2284
2285         if (IS_E1HMF(bp)) {
2286                 int func;
2287
2288                 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2289                         if (vn == BP_E1HVN(bp))
2290                                 continue;
2291
2292                         func = ((vn << 1) | BP_PORT(bp));
2293
2294                         /* Set the attention towards other drivers
2295                            on the same port */
2296                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2297                                (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2298                 }
2299         }
2300
2301         if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2302                 struct cmng_struct_per_port m_cmng_port;
2303                 u32 wsum;
2304                 int port = BP_PORT(bp);
2305
2306                 /* Init RATE SHAPING and FAIRNESS contexts */
2307                 wsum = bnx2x_calc_vn_wsum(bp);
2308                 bnx2x_init_port_minmax(bp, (int)wsum,
2309                                         bp->link_vars.line_speed,
2310                                         &m_cmng_port);
2311                 if (IS_E1HMF(bp))
2312                         for (vn = VN_0; vn < E1HVN_MAX; vn++)
2313                                 bnx2x_init_vn_minmax(bp, 2*vn + port,
2314                                         wsum, bp->link_vars.line_speed,
2315                                                      &m_cmng_port);
2316         }
2317 }
2318
2319 static void bnx2x__link_status_update(struct bnx2x *bp)
2320 {
2321         if (bp->state != BNX2X_STATE_OPEN)
2322                 return;
2323
2324         bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2325
2326         if (bp->link_vars.link_up)
2327                 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2328         else
2329                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2330
2331         /* indicate link status */
2332         bnx2x_link_report(bp);
2333 }
2334
2335 static void bnx2x_pmf_update(struct bnx2x *bp)
2336 {
2337         int port = BP_PORT(bp);
2338         u32 val;
2339
2340         bp->port.pmf = 1;
2341         DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2342
2343         /* enable nig attention */
2344         val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2345         REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2346         REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2347
2348         bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2349 }
2350
2351 /* end of Link */
2352
2353 /* slow path */
2354
2355 /*
2356  * General service functions
2357  */
2358
2359 /* the slow path queue is odd since completions arrive on the fastpath ring */
2360 static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2361                          u32 data_hi, u32 data_lo, int common)
2362 {
2363         int func = BP_FUNC(bp);
2364
2365         DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2366            "SPQE (%x:%x)  command %d  hw_cid %x  data (%x:%x)  left %x\n",
2367            (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2368            (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2369            HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2370
2371 #ifdef BNX2X_STOP_ON_ERROR
2372         if (unlikely(bp->panic))
2373                 return -EIO;
2374 #endif
2375
2376         spin_lock_bh(&bp->spq_lock);
2377
2378         if (!bp->spq_left) {
2379                 BNX2X_ERR("BUG! SPQ ring full!\n");
2380                 spin_unlock_bh(&bp->spq_lock);
2381                 bnx2x_panic();
2382                 return -EBUSY;
2383         }
2384
2385         /* CID needs port number to be encoded int it */
2386         bp->spq_prod_bd->hdr.conn_and_cmd_data =
2387                         cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2388                                      HW_CID(bp, cid)));
2389         bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2390         if (common)
2391                 bp->spq_prod_bd->hdr.type |=
2392                         cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2393
2394         bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2395         bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2396
2397         bp->spq_left--;
2398
2399         if (bp->spq_prod_bd == bp->spq_last_bd) {
2400                 bp->spq_prod_bd = bp->spq;
2401                 bp->spq_prod_idx = 0;
2402                 DP(NETIF_MSG_TIMER, "end of spq\n");
2403
2404         } else {
2405                 bp->spq_prod_bd++;
2406                 bp->spq_prod_idx++;
2407         }
2408
2409         REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
2410                bp->spq_prod_idx);
2411
2412         spin_unlock_bh(&bp->spq_lock);
2413         return 0;
2414 }
2415
2416 /* acquire split MCP access lock register */
2417 static int bnx2x_acquire_alr(struct bnx2x *bp)
2418 {
2419         u32 i, j, val;
2420         int rc = 0;
2421
2422         might_sleep();
2423         i = 100;
2424         for (j = 0; j < i*10; j++) {
2425                 val = (1UL << 31);
2426                 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2427                 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2428                 if (val & (1L << 31))
2429                         break;
2430
2431                 msleep(5);
2432         }
2433         if (!(val & (1L << 31))) {
2434                 BNX2X_ERR("Cannot acquire MCP access lock register\n");
2435                 rc = -EBUSY;
2436         }
2437
2438         return rc;
2439 }
2440
2441 /* release split MCP access lock register */
2442 static void bnx2x_release_alr(struct bnx2x *bp)
2443 {
2444         u32 val = 0;
2445
2446         REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2447 }
2448
2449 static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2450 {
2451         struct host_def_status_block *def_sb = bp->def_status_blk;
2452         u16 rc = 0;
2453
2454         barrier(); /* status block is written to by the chip */
2455         if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2456                 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2457                 rc |= 1;
2458         }
2459         if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2460                 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2461                 rc |= 2;
2462         }
2463         if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2464                 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2465                 rc |= 4;
2466         }
2467         if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2468                 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2469                 rc |= 8;
2470         }
2471         if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2472                 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2473                 rc |= 16;
2474         }
2475         return rc;
2476 }
2477
2478 /*
2479  * slow path service functions
2480  */
2481
2482 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2483 {
2484         int port = BP_PORT(bp);
2485         u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2486                        COMMAND_REG_ATTN_BITS_SET);
2487         u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2488                               MISC_REG_AEU_MASK_ATTN_FUNC_0;
2489         u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2490                                        NIG_REG_MASK_INTERRUPT_PORT0;
2491         u32 aeu_mask;
2492
2493         if (bp->attn_state & asserted)
2494                 BNX2X_ERR("IGU ERROR\n");
2495
2496         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2497         aeu_mask = REG_RD(bp, aeu_addr);
2498
2499         DP(NETIF_MSG_HW, "aeu_mask %x  newly asserted %x\n",
2500            aeu_mask, asserted);
2501         aeu_mask &= ~(asserted & 0xff);
2502         DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2503
2504         REG_WR(bp, aeu_addr, aeu_mask);
2505         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2506
2507         DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2508         bp->attn_state |= asserted;
2509         DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2510
2511         if (asserted & ATTN_HARD_WIRED_MASK) {
2512                 if (asserted & ATTN_NIG_FOR_FUNC) {
2513
2514                         bnx2x_acquire_phy_lock(bp);
2515
2516                         /* save nig interrupt mask */
2517                         bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2518                         REG_WR(bp, nig_int_mask_addr, 0);
2519
2520                         bnx2x_link_attn(bp);
2521
2522                         /* handle unicore attn? */
2523                 }
2524                 if (asserted & ATTN_SW_TIMER_4_FUNC)
2525                         DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2526
2527                 if (asserted & GPIO_2_FUNC)
2528                         DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2529
2530                 if (asserted & GPIO_3_FUNC)
2531                         DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2532
2533                 if (asserted & GPIO_4_FUNC)
2534                         DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2535
2536                 if (port == 0) {
2537                         if (asserted & ATTN_GENERAL_ATTN_1) {
2538                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2539                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2540                         }
2541                         if (asserted & ATTN_GENERAL_ATTN_2) {
2542                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2543                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2544                         }
2545                         if (asserted & ATTN_GENERAL_ATTN_3) {
2546                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2547                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2548                         }
2549                 } else {
2550                         if (asserted & ATTN_GENERAL_ATTN_4) {
2551                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2552                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2553                         }
2554                         if (asserted & ATTN_GENERAL_ATTN_5) {
2555                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2556                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2557                         }
2558                         if (asserted & ATTN_GENERAL_ATTN_6) {
2559                                 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2560                                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2561                         }
2562                 }
2563
2564         } /* if hardwired */
2565
2566         DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2567            asserted, hc_addr);
2568         REG_WR(bp, hc_addr, asserted);
2569
2570         /* now set back the mask */
2571         if (asserted & ATTN_NIG_FOR_FUNC) {
2572                 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2573                 bnx2x_release_phy_lock(bp);
2574         }
2575 }
2576
2577 static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2578 {
2579         int port = BP_PORT(bp);
2580         int reg_offset;
2581         u32 val;
2582
2583         reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2584                              MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2585
2586         if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2587
2588                 val = REG_RD(bp, reg_offset);
2589                 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2590                 REG_WR(bp, reg_offset, val);
2591
2592                 BNX2X_ERR("SPIO5 hw attention\n");
2593
2594                 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
2595                 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
2596                 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2597                         /* Fan failure attention */
2598
2599                         /* The PHY reset is controlled by GPIO 1 */
2600                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2601                                        MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2602                         /* Low power mode is controlled by GPIO 2 */
2603                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2604                                        MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2605                         /* mark the failure */
2606                         bp->link_params.ext_phy_config &=
2607                                         ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2608                         bp->link_params.ext_phy_config |=
2609                                         PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2610                         SHMEM_WR(bp,
2611                                  dev_info.port_hw_config[port].
2612                                                         external_phy_config,
2613                                  bp->link_params.ext_phy_config);
2614                         /* log the failure */
2615                         printk(KERN_ERR PFX "Fan Failure on Network"
2616                                " Controller %s has caused the driver to"
2617                                " shutdown the card to prevent permanent"
2618                                " damage.  Please contact Dell Support for"
2619                                " assistance\n", bp->dev->name);
2620                         break;
2621
2622                 default:
2623                         break;
2624                 }
2625         }
2626
2627         if (attn & HW_INTERRUT_ASSERT_SET_0) {
2628
2629                 val = REG_RD(bp, reg_offset);
2630                 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2631                 REG_WR(bp, reg_offset, val);
2632
2633                 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2634                           (attn & HW_INTERRUT_ASSERT_SET_0));
2635                 bnx2x_panic();
2636         }
2637 }
2638
2639 static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2640 {
2641         u32 val;
2642
2643         if (attn & BNX2X_DOORQ_ASSERT) {
2644
2645                 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2646                 BNX2X_ERR("DB hw attention 0x%x\n", val);
2647                 /* DORQ discard attention */
2648                 if (val & 0x2)
2649                         BNX2X_ERR("FATAL error from DORQ\n");
2650         }
2651
2652         if (attn & HW_INTERRUT_ASSERT_SET_1) {
2653
2654                 int port = BP_PORT(bp);
2655                 int reg_offset;
2656
2657                 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2658                                      MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2659
2660                 val = REG_RD(bp, reg_offset);
2661                 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2662                 REG_WR(bp, reg_offset, val);
2663
2664                 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2665                           (attn & HW_INTERRUT_ASSERT_SET_1));
2666                 bnx2x_panic();
2667         }
2668 }
2669
2670 static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2671 {
2672         u32 val;
2673
2674         if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2675
2676                 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2677                 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2678                 /* CFC error attention */
2679                 if (val & 0x2)
2680                         BNX2X_ERR("FATAL error from CFC\n");
2681         }
2682
2683         if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2684
2685                 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2686                 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2687                 /* RQ_USDMDP_FIFO_OVERFLOW */
2688                 if (val & 0x18000)
2689                         BNX2X_ERR("FATAL error from PXP\n");
2690         }
2691
2692         if (attn & HW_INTERRUT_ASSERT_SET_2) {
2693
2694                 int port = BP_PORT(bp);
2695                 int reg_offset;
2696
2697                 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2698                                      MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2699
2700                 val = REG_RD(bp, reg_offset);
2701                 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2702                 REG_WR(bp, reg_offset, val);
2703
2704                 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2705                           (attn & HW_INTERRUT_ASSERT_SET_2));
2706                 bnx2x_panic();
2707         }
2708 }
2709
2710 static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2711 {
2712         u32 val;
2713
2714         if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2715
2716                 if (attn & BNX2X_PMF_LINK_ASSERT) {
2717                         int func = BP_FUNC(bp);
2718
2719                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2720                         bnx2x__link_status_update(bp);
2721                         if (SHMEM_RD(bp, func_mb[func].drv_status) &
2722                                                         DRV_STATUS_PMF)
2723                                 bnx2x_pmf_update(bp);
2724
2725                 } else if (attn & BNX2X_MC_ASSERT_BITS) {
2726
2727                         BNX2X_ERR("MC assert!\n");
2728                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2729                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2730                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2731                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2732                         bnx2x_panic();
2733
2734                 } else if (attn & BNX2X_MCP_ASSERT) {
2735
2736                         BNX2X_ERR("MCP assert!\n");
2737                         REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
2738                         bnx2x_fw_dump(bp);
2739
2740                 } else
2741                         BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2742         }
2743
2744         if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
2745                 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2746                 if (attn & BNX2X_GRC_TIMEOUT) {
2747                         val = CHIP_IS_E1H(bp) ?
2748                                 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2749                         BNX2X_ERR("GRC time-out 0x%08x\n", val);
2750                 }
2751                 if (attn & BNX2X_GRC_RSV) {
2752                         val = CHIP_IS_E1H(bp) ?
2753                                 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2754                         BNX2X_ERR("GRC reserved 0x%08x\n", val);
2755                 }
2756                 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
2757         }
2758 }
2759
2760 static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2761 {
2762         struct attn_route attn;
2763         struct attn_route group_mask;
2764         int port = BP_PORT(bp);
2765         int index;
2766         u32 reg_addr;
2767         u32 val;
2768         u32 aeu_mask;
2769
2770         /* need to take HW lock because MCP or other port might also
2771            try to handle this event */
2772         bnx2x_acquire_alr(bp);
2773
2774         attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2775         attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2776         attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2777         attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
2778         DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2779            attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
2780
2781         for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2782                 if (deasserted & (1 << index)) {
2783                         group_mask = bp->attn_group[index];
2784
2785                         DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2786                            index, group_mask.sig[0], group_mask.sig[1],
2787                            group_mask.sig[2], group_mask.sig[3]);
2788
2789                         bnx2x_attn_int_deasserted3(bp,
2790                                         attn.sig[3] & group_mask.sig[3]);
2791                         bnx2x_attn_int_deasserted1(bp,
2792                                         attn.sig[1] & group_mask.sig[1]);
2793                         bnx2x_attn_int_deasserted2(bp,
2794                                         attn.sig[2] & group_mask.sig[2]);
2795                         bnx2x_attn_int_deasserted0(bp,
2796                                         attn.sig[0] & group_mask.sig[0]);
2797
2798                         if ((attn.sig[0] & group_mask.sig[0] &
2799                                                 HW_PRTY_ASSERT_SET_0) ||
2800                             (attn.sig[1] & group_mask.sig[1] &
2801                                                 HW_PRTY_ASSERT_SET_1) ||
2802                             (attn.sig[2] & group_mask.sig[2] &
2803                                                 HW_PRTY_ASSERT_SET_2))
2804                                 BNX2X_ERR("FATAL HW block parity attention\n");
2805                 }
2806         }
2807
2808         bnx2x_release_alr(bp);
2809
2810         reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
2811
2812         val = ~deasserted;
2813         DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2814            val, reg_addr);
2815         REG_WR(bp, reg_addr, val);
2816
2817         if (~bp->attn_state & deasserted)
2818                 BNX2X_ERR("IGU ERROR\n");
2819
2820         reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2821                           MISC_REG_AEU_MASK_ATTN_FUNC_0;
2822
2823         bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2824         aeu_mask = REG_RD(bp, reg_addr);
2825
2826         DP(NETIF_MSG_HW, "aeu_mask %x  newly deasserted %x\n",
2827            aeu_mask, deasserted);
2828         aeu_mask |= (deasserted & 0xff);
2829         DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2830
2831         REG_WR(bp, reg_addr, aeu_mask);
2832         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2833
2834         DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2835         bp->attn_state &= ~deasserted;
2836         DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2837 }
2838
2839 static void bnx2x_attn_int(struct bnx2x *bp)
2840 {
2841         /* read local copy of bits */
2842         u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
2843                                                                 attn_bits);
2844         u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
2845                                                                 attn_bits_ack);
2846         u32 attn_state = bp->attn_state;
2847
2848         /* look for changed bits */
2849         u32 asserted   =  attn_bits & ~attn_ack & ~attn_state;
2850         u32 deasserted = ~attn_bits &  attn_ack &  attn_state;
2851
2852         DP(NETIF_MSG_HW,
2853            "attn_bits %x  attn_ack %x  asserted %x  deasserted %x\n",
2854            attn_bits, attn_ack, asserted, deasserted);
2855
2856         if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
2857                 BNX2X_ERR("BAD attention state\n");
2858
2859         /* handle bits that were raised */
2860         if (asserted)
2861                 bnx2x_attn_int_asserted(bp, asserted);
2862
2863         if (deasserted)
2864                 bnx2x_attn_int_deasserted(bp, deasserted);
2865 }
2866
2867 static void bnx2x_sp_task(struct work_struct *work)
2868 {
2869         struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
2870         u16 status;
2871
2872
2873         /* Return here if interrupt is disabled */
2874         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2875                 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2876                 return;
2877         }
2878
2879         status = bnx2x_update_dsb_idx(bp);
2880 /*      if (status == 0)                                     */
2881 /*              BNX2X_ERR("spurious slowpath interrupt!\n"); */
2882
2883         DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
2884
2885         /* HW attentions */
2886         if (status & 0x1)
2887                 bnx2x_attn_int(bp);
2888
2889         /* CStorm events: query_stats, port delete ramrod */
2890         if (status & 0x2)
2891                 bp->stats_pending = 0;
2892
2893         bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, le16_to_cpu(bp->def_att_idx),
2894                      IGU_INT_NOP, 1);
2895         bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2896                      IGU_INT_NOP, 1);
2897         bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2898                      IGU_INT_NOP, 1);
2899         bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2900                      IGU_INT_NOP, 1);
2901         bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2902                      IGU_INT_ENABLE, 1);
2903
2904 }
2905
2906 static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2907 {
2908         struct net_device *dev = dev_instance;
2909         struct bnx2x *bp = netdev_priv(dev);
2910
2911         /* Return here if interrupt is disabled */
2912         if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2913                 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2914                 return IRQ_HANDLED;
2915         }
2916
2917         bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
2918
2919 #ifdef BNX2X_STOP_ON_ERROR
2920         if (unlikely(bp->panic))
2921                 return IRQ_HANDLED;
2922 #endif
2923
2924         queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2925
2926         return IRQ_HANDLED;
2927 }
2928
2929 /* end of slow path */
2930
2931 /* Statistics */
2932
2933 /****************************************************************************
2934 * Macros
2935 ****************************************************************************/
2936
2937 /* sum[hi:lo] += add[hi:lo] */
2938 #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2939         do { \
2940                 s_lo += a_lo; \
2941                 s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \
2942         } while (0)
2943
2944 /* difference = minuend - subtrahend */
2945 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2946         do { \
2947                 if (m_lo < s_lo) { \
2948                         /* underflow */ \
2949                         d_hi = m_hi - s_hi; \
2950                         if (d_hi > 0) { \
2951                                 /* we can 'loan' 1 */ \
2952                                 d_hi--; \
2953                                 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
2954                         } else { \
2955                                 /* m_hi <= s_hi */ \
2956                                 d_hi = 0; \
2957                                 d_lo = 0; \
2958                         } \
2959                 } else { \
2960                         /* m_lo >= s_lo */ \
2961                         if (m_hi < s_hi) { \
2962                                 d_hi = 0; \
2963                                 d_lo = 0; \
2964                         } else { \
2965                                 /* m_hi >= s_hi */ \
2966                                 d_hi = m_hi - s_hi; \
2967                                 d_lo = m_lo - s_lo; \
2968                         } \
2969                 } \
2970         } while (0)
2971
2972 #define UPDATE_STAT64(s, t) \
2973         do { \
2974                 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2975                         diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2976                 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2977                 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2978                 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2979                        pstats->mac_stx[1].t##_lo, diff.lo); \
2980         } while (0)
2981
2982 #define UPDATE_STAT64_NIG(s, t) \
2983         do { \
2984                 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2985                         diff.lo, new->s##_lo, old->s##_lo); \
2986                 ADD_64(estats->t##_hi, diff.hi, \
2987                        estats->t##_lo, diff.lo); \
2988         } while (0)
2989
2990 /* sum[hi:lo] += add */
2991 #define ADD_EXTEND_64(s_hi, s_lo, a) \
2992         do { \
2993                 s_lo += a; \
2994                 s_hi += (s_lo < a) ? 1 : 0; \
2995         } while (0)
2996
2997 #define UPDATE_EXTEND_STAT(s) \
2998         do { \
2999                 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
3000                               pstats->mac_stx[1].s##_lo, \
3001                               new->s); \
3002         } while (0)
3003
3004 #define UPDATE_EXTEND_TSTAT(s, t) \
3005         do { \
3006                 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
3007                 old_tclient->s = le32_to_cpu(tclient->s); \
3008                 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
3009         } while (0)
3010
3011 #define UPDATE_EXTEND_XSTAT(s, t) \
3012         do { \
3013                 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
3014                 old_xclient->s = le32_to_cpu(xclient->s); \
3015                 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
3016         } while (0)
3017
3018 /*
3019  * General service functions
3020  */
3021
3022 static inline long bnx2x_hilo(u32 *hiref)
3023 {
3024         u32 lo = *(hiref + 1);
3025 #if (BITS_PER_LONG == 64)
3026         u32 hi = *hiref;
3027
3028         return HILO_U64(hi, lo);
3029 #else
3030         return lo;
3031 #endif
3032 }
3033
3034 /*
3035  * Init service functions
3036  */
3037
3038 static void bnx2x_storm_stats_post(struct bnx2x *bp)
3039 {
3040         if (!bp->stats_pending) {
3041                 struct eth_query_ramrod_data ramrod_data = {0};
3042                 int rc;
3043
3044                 ramrod_data.drv_counter = bp->stats_counter++;
3045                 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3046                 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3047
3048                 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3049                                    ((u32 *)&ramrod_data)[1],
3050                                    ((u32 *)&ramrod_data)[0], 0);
3051                 if (rc == 0) {
3052                         /* stats ramrod has it's own slot on the spq */
3053                         bp->spq_left++;
3054                         bp->stats_pending = 1;
3055                 }
3056         }
3057 }
3058
3059 static void bnx2x_stats_init(struct bnx2x *bp)
3060 {
3061         int port = BP_PORT(bp);
3062
3063         bp->executer_idx = 0;
3064         bp->stats_counter = 0;
3065
3066         /* port stats */
3067         if (!BP_NOMCP(bp))
3068                 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3069         else
3070                 bp->port.port_stx = 0;
3071         DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3072
3073         memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3074         bp->port.old_nig_stats.brb_discard =
3075                         REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
3076         bp->port.old_nig_stats.brb_truncate =
3077                         REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
3078         REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3079                     &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3080         REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3081                     &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3082
3083         /* function stats */
3084         memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3085         memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3086         memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3087         memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3088
3089         bp->stats_state = STATS_STATE_DISABLED;
3090         if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3091                 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3092 }
3093
3094 static void bnx2x_hw_stats_post(struct bnx2x *bp)
3095 {
3096         struct dmae_command *dmae = &bp->stats_dmae;
3097         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3098
3099         *stats_comp = DMAE_COMP_VAL;
3100
3101         /* loader */
3102         if (bp->executer_idx) {
3103                 int loader_idx = PMF_DMAE_C(bp);
3104
3105                 memset(dmae, 0, sizeof(struct dmae_command));
3106
3107                 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3108                                 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3109                                 DMAE_CMD_DST_RESET |
3110 #ifdef __BIG_ENDIAN
3111                                 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3112 #else
3113                                 DMAE_CMD_ENDIANITY_DW_SWAP |
3114 #endif
3115                                 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3116                                                DMAE_CMD_PORT_0) |
3117                                 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3118                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3119                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3120                 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3121                                      sizeof(struct dmae_command) *
3122                                      (loader_idx + 1)) >> 2;
3123                 dmae->dst_addr_hi = 0;
3124                 dmae->len = sizeof(struct dmae_command) >> 2;
3125                 if (CHIP_IS_E1(bp))
3126                         dmae->len--;
3127                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3128                 dmae->comp_addr_hi = 0;
3129                 dmae->comp_val = 1;
3130
3131                 *stats_comp = 0;
3132                 bnx2x_post_dmae(bp, dmae, loader_idx);
3133
3134         } else if (bp->func_stx) {
3135                 *stats_comp = 0;
3136                 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3137         }
3138 }
3139
3140 static int bnx2x_stats_comp(struct bnx2x *bp)
3141 {
3142         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3143         int cnt = 10;
3144
3145         might_sleep();
3146         while (*stats_comp != DMAE_COMP_VAL) {
3147                 if (!cnt) {
3148                         BNX2X_ERR("timeout waiting for stats finished\n");
3149                         break;
3150                 }
3151                 cnt--;
3152                 msleep(1);
3153         }
3154         return 1;
3155 }
3156
3157 /*
3158  * Statistics service functions
3159  */
3160
3161 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3162 {
3163         struct dmae_command *dmae;
3164         u32 opcode;
3165         int loader_idx = PMF_DMAE_C(bp);
3166         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3167
3168         /* sanity */
3169         if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3170                 BNX2X_ERR("BUG!\n");
3171                 return;
3172         }
3173
3174         bp->executer_idx = 0;
3175
3176         opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3177                   DMAE_CMD_C_ENABLE |
3178                   DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3179 #ifdef __BIG_ENDIAN
3180                   DMAE_CMD_ENDIANITY_B_DW_SWAP |
3181 #else
3182                   DMAE_CMD_ENDIANITY_DW_SWAP |
3183 #endif
3184                   (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3185                   (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3186
3187         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3188         dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3189         dmae->src_addr_lo = bp->port.port_stx >> 2;
3190         dmae->src_addr_hi = 0;
3191         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3192         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3193         dmae->len = DMAE_LEN32_RD_MAX;
3194         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3195         dmae->comp_addr_hi = 0;
3196         dmae->comp_val = 1;
3197
3198         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3199         dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3200         dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3201         dmae->src_addr_hi = 0;
3202         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3203                                    DMAE_LEN32_RD_MAX * 4);
3204         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3205                                    DMAE_LEN32_RD_MAX * 4);
3206         dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3207         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3208         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3209         dmae->comp_val = DMAE_COMP_VAL;
3210
3211         *stats_comp = 0;
3212         bnx2x_hw_stats_post(bp);
3213         bnx2x_stats_comp(bp);
3214 }
3215
3216 static void bnx2x_port_stats_init(struct bnx2x *bp)
3217 {
3218         struct dmae_command *dmae;
3219         int port = BP_PORT(bp);
3220         int vn = BP_E1HVN(bp);
3221         u32 opcode;
3222         int loader_idx = PMF_DMAE_C(bp);
3223         u32 mac_addr;
3224         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3225
3226         /* sanity */
3227         if (!bp->link_vars.link_up || !bp->port.pmf) {
3228                 BNX2X_ERR("BUG!\n");
3229                 return;
3230         }
3231
3232         bp->executer_idx = 0;
3233
3234         /* MCP */
3235         opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3236                   DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3237                   DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3238 #ifdef __BIG_ENDIAN
3239                   DMAE_CMD_ENDIANITY_B_DW_SWAP |
3240 #else
3241                   DMAE_CMD_ENDIANITY_DW_SWAP |
3242 #endif
3243                   (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3244                   (vn << DMAE_CMD_E1HVN_SHIFT));
3245
3246         if (bp->port.port_stx) {
3247
3248                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3249                 dmae->opcode = opcode;
3250                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3251                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3252                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3253                 dmae->dst_addr_hi = 0;
3254                 dmae->len = sizeof(struct host_port_stats) >> 2;
3255                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3256                 dmae->comp_addr_hi = 0;
3257                 dmae->comp_val = 1;
3258         }
3259
3260         if (bp->func_stx) {
3261
3262                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3263                 dmae->opcode = opcode;
3264                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3265                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3266                 dmae->dst_addr_lo = bp->func_stx >> 2;
3267                 dmae->dst_addr_hi = 0;
3268                 dmae->len = sizeof(struct host_func_stats) >> 2;
3269                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3270                 dmae->comp_addr_hi = 0;
3271                 dmae->comp_val = 1;
3272         }
3273
3274         /* MAC */
3275         opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3276                   DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3277                   DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3278 #ifdef __BIG_ENDIAN
3279                   DMAE_CMD_ENDIANITY_B_DW_SWAP |
3280 #else
3281                   DMAE_CMD_ENDIANITY_DW_SWAP |
3282 #endif
3283                   (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3284                   (vn << DMAE_CMD_E1HVN_SHIFT));
3285
3286         if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
3287
3288                 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3289                                    NIG_REG_INGRESS_BMAC0_MEM);
3290
3291                 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3292                    BIGMAC_REGISTER_TX_STAT_GTBYT */
3293                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3294                 dmae->opcode = opcode;
3295                 dmae->src_addr_lo = (mac_addr +
3296                                      BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3297                 dmae->src_addr_hi = 0;
3298                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3299                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3300                 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3301                              BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3302                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3303                 dmae->comp_addr_hi = 0;
3304                 dmae->comp_val = 1;
3305
3306                 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3307                    BIGMAC_REGISTER_RX_STAT_GRIPJ */
3308                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3309                 dmae->opcode = opcode;
3310                 dmae->src_addr_lo = (mac_addr +
3311                                      BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3312                 dmae->src_addr_hi = 0;
3313                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3314                                 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3315                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3316                                 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3317                 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3318                              BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3319                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3320                 dmae->comp_addr_hi = 0;
3321                 dmae->comp_val = 1;
3322
3323         } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
3324
3325                 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3326
3327                 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3328                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3329                 dmae->opcode = opcode;
3330                 dmae->src_addr_lo = (mac_addr +
3331                                      EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3332                 dmae->src_addr_hi = 0;
3333                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3334                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3335                 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3336                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3337                 dmae->comp_addr_hi = 0;
3338                 dmae->comp_val = 1;
3339
3340                 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3341                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3342                 dmae->opcode = opcode;
3343                 dmae->src_addr_lo = (mac_addr +
3344                                      EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3345                 dmae->src_addr_hi = 0;
3346                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3347                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3348                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3349                      offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3350                 dmae->len = 1;
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                 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3356                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3357                 dmae->opcode = opcode;
3358                 dmae->src_addr_lo = (mac_addr +
3359                                      EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3360                 dmae->src_addr_hi = 0;
3361                 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3362                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3363                 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3364                         offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3365                 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3366                 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3367                 dmae->comp_addr_hi = 0;
3368                 dmae->comp_val = 1;
3369         }
3370
3371         /* NIG */
3372         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3373         dmae->opcode = opcode;
3374         dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3375                                     NIG_REG_STAT0_BRB_DISCARD) >> 2;
3376         dmae->src_addr_hi = 0;
3377         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3378         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3379         dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3380         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3381         dmae->comp_addr_hi = 0;
3382         dmae->comp_val = 1;
3383
3384         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3385         dmae->opcode = opcode;
3386         dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3387                                     NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3388         dmae->src_addr_hi = 0;
3389         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3390                         offsetof(struct nig_stats, egress_mac_pkt0_lo));
3391         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3392                         offsetof(struct nig_stats, egress_mac_pkt0_lo));
3393         dmae->len = (2*sizeof(u32)) >> 2;
3394         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3395         dmae->comp_addr_hi = 0;
3396         dmae->comp_val = 1;
3397
3398         dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3399         dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3400                         DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3401                         DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3402 #ifdef __BIG_ENDIAN
3403                         DMAE_CMD_ENDIANITY_B_DW_SWAP |
3404 #else
3405                         DMAE_CMD_ENDIANITY_DW_SWAP |
3406 #endif
3407                         (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3408                         (vn << DMAE_CMD_E1HVN_SHIFT));
3409         dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3410                                     NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
3411         dmae->src_addr_hi = 0;
3412         dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3413                         offsetof(struct nig_stats, egress_mac_pkt1_lo));
3414         dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3415                         offsetof(struct nig_stats, egress_mac_pkt1_lo));
3416         dmae->len = (2*sizeof(u32)) >> 2;
3417         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3418         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3419         dmae->comp_val = DMAE_COMP_VAL;
3420
3421         *stats_comp = 0;
3422 }
3423
3424 static void bnx2x_func_stats_init(struct bnx2x *bp)
3425 {
3426         struct dmae_command *dmae = &bp->stats_dmae;
3427         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3428
3429         /* sanity */
3430         if (!bp->func_stx) {
3431                 BNX2X_ERR("BUG!\n");
3432                 return;
3433         }
3434
3435         bp->executer_idx = 0;
3436         memset(dmae, 0, sizeof(struct dmae_command));
3437
3438         dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3439                         DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3440                         DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3441 #ifdef __BIG_ENDIAN
3442                         DMAE_CMD_ENDIANITY_B_DW_SWAP |
3443 #else
3444                         DMAE_CMD_ENDIANITY_DW_SWAP |
3445 #endif
3446                         (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3447                         (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3448         dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3449         dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3450         dmae->dst_addr_lo = bp->func_stx >> 2;
3451         dmae->dst_addr_hi = 0;
3452         dmae->len = sizeof(struct host_func_stats) >> 2;
3453         dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3454         dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3455         dmae->comp_val = DMAE_COMP_VAL;
3456
3457         *stats_comp = 0;
3458 }
3459
3460 static void bnx2x_stats_start(struct bnx2x *bp)
3461 {
3462         if (bp->port.pmf)
3463                 bnx2x_port_stats_init(bp);
3464
3465         else if (bp->func_stx)
3466                 bnx2x_func_stats_init(bp);
3467
3468         bnx2x_hw_stats_post(bp);
3469         bnx2x_storm_stats_post(bp);
3470 }
3471
3472 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
3473 {
3474         bnx2x_stats_comp(bp);
3475         bnx2x_stats_pmf_update(bp);
3476         bnx2x_stats_start(bp);
3477 }
3478
3479 static void bnx2x_stats_restart(struct bnx2x *bp)
3480 {
3481         bnx2x_stats_comp(bp);
3482         bnx2x_stats_start(bp);
3483 }
3484
3485 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3486 {
3487         struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3488         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3489         struct regpair diff;
3490
3491         UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3492         UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3493         UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3494         UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3495         UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3496         UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
3497         UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
3498         UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3499         UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3500         UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3501         UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3502         UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3503         UPDATE_STAT64(tx_stat_gt127,
3504                                 tx_stat_etherstatspkts65octetsto127octets);
3505         UPDATE_STAT64(tx_stat_gt255,
3506                                 tx_stat_etherstatspkts128octetsto255octets);
3507         UPDATE_STAT64(tx_stat_gt511,
3508                                 tx_stat_etherstatspkts256octetsto511octets);
3509         UPDATE_STAT64(tx_stat_gt1023,
3510                                 tx_stat_etherstatspkts512octetsto1023octets);
3511         UPDATE_STAT64(tx_stat_gt1518,
3512                                 tx_stat_etherstatspkts1024octetsto1522octets);
3513         UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3514         UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3515         UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3516         UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3517         UPDATE_STAT64(tx_stat_gterr,
3518                                 tx_stat_dot3statsinternalmactransmiterrors);
3519         UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3520 }
3521
3522 static void bnx2x_emac_stats_update(struct bnx2x *bp)
3523 {
3524         struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3525         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3526
3527         UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3528         UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3529         UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3530         UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3531         UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3532         UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3533         UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3534         UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3535         UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3536         UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3537         UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3538         UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3539         UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3540         UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3541         UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3542         UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3543         UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3544         UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3545         UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3546         UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3547         UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3548         UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3549         UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3550         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3551         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3552         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3553         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3554         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3555         UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3556         UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3557         UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3558 }
3559
3560 static int bnx2x_hw_stats_update(struct bnx2x *bp)
3561 {
3562         struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3563         struct nig_stats *old = &(bp->port.old_nig_stats);
3564         struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3565         struct bnx2x_eth_stats *estats = &bp->eth_stats;
3566         struct regpair diff;
3567
3568         if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3569                 bnx2x_bmac_stats_update(bp);
3570
3571         else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3572                 bnx2x_emac_stats_update(bp);
3573
3574         else { /* unreached */
3575                 BNX2X_ERR("stats updated by dmae but no MAC active\n");
3576                 return -1;
3577         }
3578
3579         ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3580                       new->brb_discard - old->brb_discard);
3581         ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3582                       new->brb_truncate - old->brb_truncate);
3583
3584         UPDATE_STAT64_NIG(egress_mac_pkt0,
3585                                         etherstatspkts1024octetsto1522octets);
3586         UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
3587
3588         memcpy(old, new, sizeof(struct nig_stats));
3589
3590         memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3591                sizeof(struct mac_stx));
3592         estats->brb_drop_hi = pstats->brb_drop_hi;
3593         estats->brb_drop_lo = pstats->brb_drop_lo;
3594
3595         pstats->host_port_stats_start = ++pstats->host_port_stats_end;
3596
3597         return 0;
3598 }
3599
3600 static int bnx2x_storm_stats_update(struct bnx2x *bp)
3601 {
3602         struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3603         int cl_id = BP_CL_ID(bp);
3604         struct tstorm_per_port_stats *tport =
3605                                 &stats->tstorm_common.port_statistics;
3606         struct tstorm_per_client_stats *tclient =
3607                         &stats->tstorm_common.client_statistics[cl_id];
3608         struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3609         struct xstorm_per_client_stats *xclient =
3610                         &stats->xstorm_common.client_statistics[cl_id];
3611         struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3612         struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3613         struct bnx2x_eth_stats *estats = &bp->eth_stats;
3614         u32 diff;
3615
3616         /* are storm stats valid? */
3617         if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3618                                                         bp->stats_counter) {
3619                 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3620                    "  tstorm counter (%d) != stats_counter (%d)\n",
3621                    tclient->stats_counter, bp->stats_counter);
3622                 return -1;
3623         }
3624         if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3625                                                         bp->stats_counter) {
3626                 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3627                    "  xstorm counter (%d) != stats_counter (%d)\n",
3628                    xclient->stats_counter, bp->stats_counter);
3629                 return -2;
3630         }
3631
3632         fstats->total_bytes_received_hi =
3633         fstats->valid_bytes_received_hi =
3634                                 le32_to_cpu(tclient->total_rcv_bytes.hi);
3635         fstats->total_bytes_received_lo =
3636         fstats->valid_bytes_received_lo =
3637                                 le32_to_cpu(tclient->total_rcv_bytes.lo);
3638
3639         estats->error_bytes_received_hi =
3640                                 le32_to_cpu(tclient->rcv_error_bytes.hi);
3641         estats->error_bytes_received_lo =
3642                                 le32_to_cpu(tclient->rcv_error_bytes.lo);
3643         ADD_64(estats->error_bytes_received_hi,
3644                estats->rx_stat_ifhcinbadoctets_hi,
3645                estats->error_bytes_received_lo,
3646                estats->rx_stat_ifhcinbadoctets_lo);
3647
3648         ADD_64(fstats->total_bytes_received_hi,
3649                estats->error_bytes_received_hi,
3650                fstats->total_bytes_received_lo,
3651                estats->error_bytes_received_lo);
3652
3653         UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3654         UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3655                                 total_multicast_packets_received);
3656         UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3657                                 total_broadcast_packets_received);
3658
3659         fstats->total_bytes_transmitted_hi =
3660                                 le32_to_cpu(xclient->total_sent_bytes.hi);
3661         fstats->total_bytes_transmitted_lo =
3662                                 le32_to_cpu(xclient->total_sent_bytes.lo);
3663
3664         UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3665                                 total_unicast_packets_transmitted);
3666         UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3667                                 total_multicast_packets_transmitted);
3668         UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3669                                 total_broadcast_packets_transmitted);
3670
3671         memcpy(estats, &(fstats->total_bytes_received_hi),
3672                sizeof(struct host_func_stats) - 2*sizeof(u32));
3673
3674         estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3675         estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3676         estats->brb_truncate_discard =
3677                                 le32_to_cpu(tport->brb_truncate_discard);
3678         estats->mac_discard = le32_to_cpu(tport->mac_discard);
3679
3680         old_tclient->rcv_unicast_bytes.hi =
3681                                 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3682         old_tclient->rcv_unicast_bytes.lo =
3683                                 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3684         old_tclient->rcv_broadcast_bytes.hi =
3685                                 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3686         old_tclient->rcv_broadcast_bytes.lo =
3687                                 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3688         old_tclient->rcv_multicast_bytes.hi =
3689                                 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3690         old_tclient->rcv_multicast_bytes.lo =
3691                                 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3692         old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3693
3694         old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3695         old_tclient->packets_too_big_discard =
3696                                 le32_to_cpu(tclient->packets_too_big_discard);
3697         estats->no_buff_discard =
3698         old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3699         old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3700
3701         old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3702         old_xclient->unicast_bytes_sent.hi =
3703                                 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3704         old_xclient->unicast_bytes_sent.lo =
3705                                 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3706         old_xclient->multicast_bytes_sent.hi =
3707                                 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3708         old_xclient->multicast_bytes_sent.lo =
3709                                 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3710         old_xclient->broadcast_bytes_sent.hi =
3711                                 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3712         old_xclient->broadcast_bytes_sent.lo =
3713                                 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3714
3715         fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3716
3717         return 0;
3718 }
3719
3720 static void bnx2x_net_stats_update(struct bnx2x *bp)
3721 {
3722         struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3723         struct bnx2x_eth_stats *estats = &bp->eth_stats;
3724         struct net_device_stats *nstats = &bp->dev->stats;
3725
3726         nstats->rx_packets =
3727                 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3728                 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3729                 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3730
3731         nstats->tx_packets =
3732                 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3733                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3734                 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3735
3736         nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
3737
3738         nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
3739
3740         nstats->rx_dropped = old_tclient->checksum_discard +
3741                              estats->mac_discard;
3742         nstats->tx_dropped = 0;
3743
3744         nstats->multicast =
3745                 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3746
3747         nstats->collisions =
3748                         estats->tx_stat_dot3statssinglecollisionframes_lo +
3749                         estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3750                         estats->tx_stat_dot3statslatecollisions_lo +
3751                         estats->tx_stat_dot3statsexcessivecollisions_lo;
3752
3753         estats->jabber_packets_received =
3754                                 old_tclient->packets_too_big_discard +
3755                                 estats->rx_stat_dot3statsframestoolong_lo;
3756
3757         nstats->rx_length_errors =
3758                                 estats->rx_stat_etherstatsundersizepkts_lo +
3759                                 estats->jabber_packets_received;
3760         nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
3761         nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3762         nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3763         nstats->rx_fifo_errors = old_tclient->no_buff_discard;
3764         nstats->rx_missed_errors = estats->xxoverflow_discard;
3765
3766         nstats->rx_errors = nstats->rx_length_errors +
3767                             nstats->rx_over_errors +
3768                             nstats->rx_crc_errors +
3769                             nstats->rx_frame_errors +
3770                             nstats->rx_fifo_errors +
3771                             nstats->rx_missed_errors;
3772
3773         nstats->tx_aborted_errors =
3774                         estats->tx_stat_dot3statslatecollisions_lo +
3775                         estats->tx_stat_dot3statsexcessivecollisions_lo;
3776         nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
3777         nstats->tx_fifo_errors = 0;
3778         nstats->tx_heartbeat_errors = 0;
3779         nstats->tx_window_errors = 0;
3780
3781         nstats->tx_errors = nstats->tx_aborted_errors +
3782                             nstats->tx_carrier_errors;
3783 }
3784
3785 static void bnx2x_stats_update(struct bnx2x *bp)
3786 {
3787         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3788         int update = 0;
3789
3790         if (*stats_comp != DMAE_COMP_VAL)
3791                 return;
3792
3793         if (bp->port.pmf)
3794                 update = (bnx2x_hw_stats_update(bp) == 0);
3795
3796         update |= (bnx2x_storm_stats_update(bp) == 0);
3797
3798         if (update)
3799                 bnx2x_net_stats_update(bp);
3800
3801         else {
3802                 if (bp->stats_pending) {
3803                         bp->stats_pending++;
3804                         if (bp->stats_pending == 3) {
3805                                 BNX2X_ERR("stats not updated for 3 times\n");
3806                                 bnx2x_panic();
3807                                 return;
3808                         }
3809                 }
3810         }
3811
3812         if (bp->msglevel & NETIF_MSG_TIMER) {
3813                 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3814                 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3815                 struct net_device_stats *nstats = &bp->dev->stats;
3816                 int i;
3817
3818                 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3819                 printk(KERN_DEBUG "  tx avail (%4x)  tx hc idx (%x)"
3820                                   "  tx pkt (%lx)\n",
3821                        bnx2x_tx_avail(bp->fp),
3822                        le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
3823                 printk(KERN_DEBUG "  rx usage (%4x)  rx hc idx (%x)"
3824                                   "  rx pkt (%lx)\n",
3825                        (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3826                              bp->fp->rx_comp_cons),
3827                        le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
3828                 printk(KERN_DEBUG "  %s (Xoff events %u)  brb drops %u\n",
3829                        netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
3830                        estats->driver_xoff, estats->brb_drop_lo);
3831                 printk(KERN_DEBUG "tstats: checksum_discard %u  "
3832                         "packets_too_big_discard %u  no_buff_discard %u  "
3833                         "mac_discard %u  mac_filter_discard %u  "
3834                         "xxovrflow_discard %u  brb_truncate_discard %u  "
3835                         "ttl0_discard %u\n",
3836                        old_tclient->checksum_discard,
3837                        old_tclient->packets_too_big_discard,
3838                        old_tclient->no_buff_discard, estats->mac_discard,
3839                        estats->mac_filter_discard, estats->xxoverflow_discard,
3840                        estats->brb_truncate_discard,
3841                        old_tclient->ttl0_discard);
3842
3843                 for_each_queue(bp, i) {
3844                         printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3845                                bnx2x_fp(bp, i, tx_pkt),
3846                                bnx2x_fp(bp, i, rx_pkt),
3847                                bnx2x_fp(bp, i, rx_calls));
3848                 }
3849         }
3850
3851         bnx2x_hw_stats_post(bp);
3852         bnx2x_storm_stats_post(bp);
3853 }
3854
3855 static void bnx2x_port_stats_stop(struct bnx2x *bp)
3856 {
3857         struct dmae_command *dmae;
3858         u32 opcode;
3859         int loader_idx = PMF_DMAE_C(bp);
3860         u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3861
3862         bp->executer_idx = 0;
3863
3864         opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3865                   DMAE_CMD_C_ENABLE |
3866                   DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3867 #ifdef __BIG_ENDIAN
3868                   DMAE_CMD_ENDIANITY_B_DW_SWAP |
3869 #else
3870                   DMAE_CMD_ENDIANITY_DW_SWAP |
3871 #endif
3872                   (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3873                   (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3874
3875         if (bp->port.port_stx) {
3876
3877                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3878                 if (bp->func_stx)
3879                         dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3880                 else
3881                         dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3882                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3883                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3884                 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3885                 dmae->dst_addr_hi = 0;
3886                 dmae->len = sizeof(struct host_port_stats) >> 2;
3887                 if (bp->func_stx) {
3888                         dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3889                         dmae->comp_addr_hi = 0;
3890                         dmae->comp_val = 1;
3891                 } else {
3892                         dmae->comp_addr_lo =
3893                                 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3894                         dmae->comp_addr_hi =
3895                                 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3896                         dmae->comp_val = DMAE_COMP_VAL;
3897
3898                         *stats_comp = 0;
3899                 }
3900         }
3901
3902         if (bp->func_stx) {
3903
3904                 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3905                 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3906                 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3907                 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3908                 dmae->dst_addr_lo = bp->func_stx >> 2;
3909                 dmae->dst_addr_hi = 0;
3910                 dmae->len = sizeof(struct host_func_stats) >> 2;
3911                 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3912                 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3913                 dmae->comp_val = DMAE_COMP_VAL;
3914
3915                 *stats_comp = 0;
3916         }
3917 }
3918
3919 static void bnx2x_stats_stop(struct bnx2x *bp)
3920 {
3921         int update = 0;
3922
3923         bnx2x_stats_comp(bp);
3924
3925         if (bp->port.pmf)
3926                 update = (bnx2x_hw_stats_update(bp) == 0);
3927
3928         update |= (bnx2x_storm_stats_update(bp) == 0);
3929
3930         if (update) {
3931                 bnx2x_net_stats_update(bp);
3932
3933                 if (bp->port.pmf)
3934                         bnx2x_port_stats_stop(bp);
3935
3936                 bnx2x_hw_stats_post(bp);
3937                 bnx2x_stats_comp(bp);
3938         }
3939 }
3940
3941 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3942 {
3943 }
3944
3945 static const struct {
3946         void (*action)(struct bnx2x *bp);
3947         enum bnx2x_stats_state next_state;
3948 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3949 /* state        event   */
3950 {
3951 /* DISABLED     PMF     */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3952 /*              LINK_UP */ {bnx2x_stats_start,      STATS_STATE_ENABLED},
3953 /*              UPDATE  */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3954 /*              STOP    */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3955 },
3956 {
3957 /* ENABLED      PMF     */ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
3958 /*              LINK_UP */ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
3959 /*              UPDATE  */ {bnx2x_stats_update,     STATS_STATE_ENABLED},
3960 /*              STOP    */ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
3961 }
3962 };
3963
3964 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3965 {
3966         enum bnx2x_stats_state state = bp->stats_state;
3967
3968         bnx2x_stats_stm[state][event].action(bp);
3969         bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3970
3971         if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3972                 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3973                    state, event, bp->stats_state);
3974 }
3975
3976 static void bnx2x_timer(unsigned long data)
3977 {
3978         struct bnx2x *bp = (struct bnx2x *) data;
3979
3980         if (!netif_running(bp->dev))
3981                 return;
3982
3983         if (atomic_read(&bp->intr_sem) != 0)
3984                 goto timer_restart;
3985
3986         if (poll) {
3987                 struct bnx2x_fastpath *fp = &bp->fp[0];
3988                 int rc;
3989
3990                 bnx2x_tx_int(fp, 1000);
3991                 rc = bnx2x_rx_int(fp, 1000);
3992         }
3993
3994         if (!BP_NOMCP(bp)) {
3995                 int func = BP_FUNC(bp);
3996                 u32 drv_pulse;
3997                 u32 mcp_pulse;
3998
3999                 ++bp->fw_drv_pulse_wr_seq;
4000                 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
4001                 /* TBD - add SYSTEM_TIME */
4002                 drv_pulse = bp->fw_drv_pulse_wr_seq;
4003                 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
4004
4005                 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
4006                              MCP_PULSE_SEQ_MASK);
4007                 /* The delta between driver pulse and mcp response
4008                  * should be 1 (before mcp response) or 0 (after mcp response)
4009                  */
4010                 if ((drv_pulse != mcp_pulse) &&
4011                     (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
4012                         /* someone lost a heartbeat... */
4013                         BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
4014                                   drv_pulse, mcp_pulse);
4015                 }
4016         }
4017
4018         if ((bp->state == BNX2X_STATE_OPEN) ||
4019             (bp->state == BNX2X_STATE_DISABLED))
4020                 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
4021
4022 timer_restart:
4023         mod_timer(&bp->timer, jiffies + bp->current_interval);
4024 }
4025
4026 /* end of Statistics */
4027
4028 /* nic init */
4029
4030 /*
4031  * nic init service functions
4032  */
4033
4034 static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
4035 {
4036         int port = BP_PORT(bp);
4037
4038         bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4039                         USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
4040                         sizeof(struct ustorm_status_block)/4);
4041         bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4042                         CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
4043                         sizeof(struct cstorm_status_block)/4);
4044 }
4045
4046 static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4047                           dma_addr_t mapping, int sb_id)
4048 {
4049         int port = BP_PORT(bp);
4050         int func = BP_FUNC(bp);
4051         int index;
4052         u64 section;
4053
4054         /* USTORM */
4055         section = ((u64)mapping) + offsetof(struct host_status_block,
4056                                             u_status_block);
4057         sb->u_status_block.status_block_id = sb_id;
4058
4059         REG_WR(bp, BAR_USTRORM_INTMEM +
4060                USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4061         REG_WR(bp, BAR_USTRORM_INTMEM +
4062                ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4063                U64_HI(section));
4064         REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4065                 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4066
4067         for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4068                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4069                          USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4070
4071         /* CSTORM */
4072         section = ((u64)mapping) + offsetof(struct host_status_block,
4073                                             c_status_block);
4074         sb->c_status_block.status_block_id = sb_id;
4075
4076         REG_WR(bp, BAR_CSTRORM_INTMEM +
4077                CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4078         REG_WR(bp, BAR_CSTRORM_INTMEM +
4079                ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4080                U64_HI(section));
4081         REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4082                 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4083
4084         for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4085                 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4086                          CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4087
4088         bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4089 }
4090
4091 static void bnx2x_zero_def_sb(struct bnx2x *bp)
4092 {
4093         int func = BP_FUNC(bp);
4094
4095         bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4096                         USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4097                         sizeof(struct ustorm_def_status_block)/4);
4098         bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4099                         CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4100                         sizeof(struct cstorm_def_status_block)/4);
4101         bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4102                         XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4103                         sizeof(struct xstorm_def_status_block)/4);
4104         bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4105                         TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4106                         sizeof(struct tstorm_def_status_block)/4);
4107 }
4108
4109 static void bnx2x_init_def_sb(struct bnx2x *bp,
4110                               struct host_def_status_block *def_sb,
4111                               dma_addr_t mapping, int sb_id)
4112 {
4113         int port = BP_PORT(bp);
4114         int func = BP_FUNC(bp);
4115         int index, val, reg_offset;
4116         u64 section;
4117
4118         /* ATTN */
4119         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4120                                             atten_status_block);
4121         def_sb->atten_status_block.status_block_id = sb_id;
4122
4123         bp->attn_state = 0;
4124
4125         reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4126                              MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4127
4128         for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4129                 bp->attn_group[index].sig[0] = REG_RD(bp,
4130                                                      reg_offset + 0x10*index);
4131                 bp->attn_group[index].sig[1] = REG_RD(bp,
4132                                                reg_offset + 0x4 + 0x10*index);
4133                 bp->attn_group[index].sig[2] = REG_RD(bp,
4134                                                reg_offset + 0x8 + 0x10*index);
4135                 bp->attn_group[index].sig[3] = REG_RD(bp,
4136                                                reg_offset + 0xc + 0x10*index);
4137         }
4138
4139         reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4140                              HC_REG_ATTN_MSG0_ADDR_L);
4141
4142         REG_WR(bp, reg_offset, U64_LO(section));
4143         REG_WR(bp, reg_offset + 4, U64_HI(section));
4144
4145         reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4146
4147         val = REG_RD(bp, reg_offset);
4148         val |= sb_id;
4149         REG_WR(bp, reg_offset, val);
4150
4151         /* USTORM */
4152         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4153                                             u_def_status_block);
4154         def_sb->u_def_status_block.status_block_id = sb_id;
4155
4156         REG_WR(bp, BAR_USTRORM_INTMEM +
4157                USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4158         REG_WR(bp, BAR_USTRORM_INTMEM +
4159                ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4160                U64_HI(section));
4161         REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4162                 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4163
4164         for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4165                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4166                          USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4167
4168         /* CSTORM */
4169         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4170                                             c_def_status_block);
4171         def_sb->c_def_status_block.status_block_id = sb_id;
4172
4173         REG_WR(bp, BAR_CSTRORM_INTMEM +
4174                CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4175         REG_WR(bp, BAR_CSTRORM_INTMEM +
4176                ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4177                U64_HI(section));
4178         REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4179                 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4180
4181         for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4182                 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4183                          CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4184
4185         /* TSTORM */
4186         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4187                                             t_def_status_block);
4188         def_sb->t_def_status_block.status_block_id = sb_id;
4189
4190         REG_WR(bp, BAR_TSTRORM_INTMEM +
4191                TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4192         REG_WR(bp, BAR_TSTRORM_INTMEM +
4193                ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4194                U64_HI(section));
4195         REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4196                 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4197
4198         for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4199                 REG_WR16(bp, BAR_TSTRORM_INTMEM +
4200                          TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4201
4202         /* XSTORM */
4203         section = ((u64)mapping) + offsetof(struct host_def_status_block,
4204                                             x_def_status_block);
4205         def_sb->x_def_status_block.status_block_id = sb_id;
4206
4207         REG_WR(bp, BAR_XSTRORM_INTMEM +
4208                XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4209         REG_WR(bp, BAR_XSTRORM_INTMEM +
4210                ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4211                U64_HI(section));
4212         REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4213                 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4214
4215         for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4216                 REG_WR16(bp, BAR_XSTRORM_INTMEM +
4217                          XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4218
4219         bp->stats_pending = 0;
4220         bp->set_mac_pending = 0;
4221
4222         bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4223 }
4224
4225 static void bnx2x_update_coalesce(struct bnx2x *bp)
4226 {
4227         int port = BP_PORT(bp);
4228         int i;
4229
4230         for_each_queue(bp, i) {
4231                 int sb_id = bp->fp[i].sb_id;
4232
4233                 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4234                 REG_WR8(bp, BAR_USTRORM_INTMEM +
4235                         USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4236                                                     U_SB_ETH_RX_CQ_INDEX),
4237                         bp->rx_ticks/12);
4238                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4239                          USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4240                                                      U_SB_ETH_RX_CQ_INDEX),
4241                          bp->rx_ticks ? 0 : 1);
4242                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4243                          USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4244                                                      U_SB_ETH_RX_BD_INDEX),
4245                          bp->rx_ticks ? 0 : 1);
4246
4247                 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4248                 REG_WR8(bp, BAR_CSTRORM_INTMEM +
4249                         CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4250                                                     C_SB_ETH_TX_CQ_INDEX),
4251                         bp->tx_ticks/12);
4252                 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4253                          CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4254                                                      C_SB_ETH_TX_CQ_INDEX),
4255                          bp->tx_ticks ? 0 : 1);
4256         }
4257 }
4258
4259 static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4260                                        struct bnx2x_fastpath *fp, int last)
4261 {
4262         int i;
4263
4264         for (i = 0; i < last; i++) {
4265                 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4266                 struct sk_buff *skb = rx_buf->skb;
4267
4268                 if (skb == NULL) {
4269                         DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4270                         continue;
4271                 }
4272
4273                 if (fp->tpa_state[i] == BNX2X_TPA_START)
4274                         pci_unmap_single(bp->pdev,
4275                                          pci_unmap_addr(rx_buf, mapping),
4276                                          bp->rx_buf_size,
4277                                          PCI_DMA_FROMDEVICE);
4278
4279                 dev_kfree_skb(skb);
4280                 rx_buf->skb = NULL;
4281         }
4282 }
4283
4284 static void bnx2x_init_rx_rings(struct bnx2x *bp)
4285 {
4286         int func = BP_FUNC(bp);
4287         int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4288                                               ETH_MAX_AGGREGATION_QUEUES_E1H;
4289         u16 ring_prod, cqe_ring_prod;
4290         int i, j;
4291
4292         bp->rx_buf_size = bp->dev->mtu;
4293         bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
4294                 BCM_RX_ETH_PAYLOAD_ALIGN;
4295
4296         if (bp->flags & TPA_ENABLE_FLAG) {
4297                 DP(NETIF_MSG_IFUP,
4298                    "rx_buf_size %d  effective_mtu %d\n",
4299                    bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
4300
4301                 for_each_queue(bp, j) {
4302                         struct bnx2x_fastpath *fp = &bp->fp[j];
4303
4304                         for (i = 0; i < max_agg_queues; i++) {
4305                                 fp->tpa_pool[i].skb =
4306                                    netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4307                                 if (!fp->tpa_pool[i].skb) {
4308                                         BNX2X_ERR("Failed to allocate TPA "
4309                                                   "skb pool for queue[%d] - "
4310                                                   "disabling TPA on this "
4311                                                   "queue!\n", j);
4312                                         bnx2x_free_tpa_pool(bp, fp, i);
4313                                         fp->disable_tpa = 1;
4314                                         break;
4315                                 }
4316                                 pci_unmap_addr_set((struct sw_rx_bd *)
4317                                                         &bp->fp->tpa_pool[i],
4318                                                    mapping, 0);
4319                                 fp->tpa_state[i] = BNX2X_TPA_STOP;
4320                         }
4321                 }
4322         }
4323
4324         for_each_queue(bp, j) {
4325                 struct bnx2x_fastpath *fp = &bp->fp[j];
4326
4327                 fp->rx_bd_cons = 0;
4328                 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4329                 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
4330
4331                 /* "next page" elements initialization */
4332                 /* SGE ring */
4333                 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4334                         struct eth_rx_sge *sge;
4335
4336                         sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4337                         sge->addr_hi =
4338                                 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4339                                         BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4340                         sge->addr_lo =
4341                                 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4342                                         BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4343                 }
4344
4345                 bnx2x_init_sge_ring_bit_mask(fp);
4346
4347                 /* RX BD ring */
4348                 for (i = 1; i <= NUM_RX_RINGS; i++) {
4349                         struct eth_rx_bd *rx_bd;
4350
4351                         rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4352                         rx_bd->addr_hi =
4353                                 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
4354                                             BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4355                         rx_bd->addr_lo =
4356                                 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
4357                                             BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4358                 }
4359
4360                 /* CQ ring */
4361                 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4362                         struct eth_rx_cqe_next_page *nextpg;
4363
4364                         nextpg = (struct eth_rx_cqe_next_page *)
4365                                 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4366                         nextpg->addr_hi =
4367                                 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
4368                                            BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4369                         nextpg->addr_lo =
4370                                 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
4371                                            BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4372                 }
4373
4374                 /* Allocate SGEs and initialize the ring elements */
4375                 for (i = 0, ring_prod = 0;
4376                      i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
4377
4378                         if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4379                                 BNX2X_ERR("was only able to allocate "
4380                                           "%d rx sges\n", i);
4381                                 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4382                                 /* Cleanup already allocated elements */
4383                                 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
4384                                 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
4385                                 fp->disable_tpa = 1;
4386                                 ring_prod = 0;
4387                                 break;
4388                         }
4389                         ring_prod = NEXT_SGE_IDX(ring_prod);
4390                 }
4391                 fp->rx_sge_prod = ring_prod;
4392
4393                 /* Allocate BDs and initialize BD ring */
4394                 fp->rx_comp_cons = 0;
4395                 cqe_ring_prod = ring_prod = 0;
4396                 for (i = 0; i < bp->rx_ring_size; i++) {
4397                         if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4398                                 BNX2X_ERR("was only able to allocate "
4399                                           "%d rx skbs\n", i);
4400                                 bp->eth_stats.rx_skb_alloc_failed++;
4401                                 break;
4402                         }
4403                         ring_prod = NEXT_RX_IDX(ring_prod);
4404                         cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
4405                         WARN_ON(ring_prod <= i);
4406                 }
4407
4408                 fp->rx_bd_prod = ring_prod;
4409                 /* must not have more available CQEs than BDs */
4410                 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4411                                        cqe_ring_prod);
4412                 fp->rx_pkt = fp->rx_calls = 0;
4413
4414                 /* Warning!
4415                  * this will generate an interrupt (to the TSTORM)
4416                  * must only be done after chip is initialized
4417                  */
4418                 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4419                                      fp->rx_sge_prod);
4420                 if (j != 0)
4421                         continue;
4422
4423                 REG_WR(bp, BAR_USTRORM_INTMEM +
4424                        USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
4425                        U64_LO(fp->rx_comp_mapping));
4426                 REG_WR(bp, BAR_USTRORM_INTMEM +
4427                        USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
4428                        U64_HI(fp->rx_comp_mapping));
4429         }
4430 }
4431
4432 static void bnx2x_init_tx_ring(struct bnx2x *bp)
4433 {
4434         int i, j;
4435
4436         for_each_queue(bp, j) {
4437                 struct bnx2x_fastpath *fp = &bp->fp[j];
4438
4439                 for (i = 1; i <= NUM_TX_RINGS; i++) {
4440                         struct eth_tx_bd *tx_bd =
4441                                 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4442
4443                         tx_bd->addr_hi =
4444                                 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
4445                                             BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4446                         tx_bd->addr_lo =
4447                                 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
4448                                             BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4449                 }
4450
4451                 fp->tx_pkt_prod = 0;
4452                 fp->tx_pkt_cons = 0;
4453                 fp->tx_bd_prod = 0;
4454                 fp->tx_bd_cons = 0;
4455                 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4456                 fp->tx_pkt = 0;
4457         }
4458 }
4459
4460 static void bnx2x_init_sp_ring(struct bnx2x *bp)
4461 {
4462         int func = BP_FUNC(bp);
4463
4464         spin_lock_init(&bp->spq_lock);
4465
4466         bp->spq_left = MAX_SPQ_PENDING;
4467         bp->spq_prod_idx = 0;
4468         bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4469         bp->spq_prod_bd = bp->spq;
4470         bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4471
4472         REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
4473                U64_LO(bp->spq_mapping));
4474         REG_WR(bp,
4475                XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
4476                U64_HI(bp->spq_mapping));
4477
4478         REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
4479                bp->spq_prod_idx);
4480 }
4481
4482 static void bnx2x_init_context(struct bnx2x *bp)
4483 {
4484         int i;
4485
4486         for_each_queue(bp, i) {
4487                 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4488                 struct bnx2x_fastpath *fp = &bp->fp[i];
4489                 u8 sb_id = FP_SB_ID(fp);
4490
4491                 context->xstorm_st_context.tx_bd_page_base_hi =
4492                                                 U64_HI(fp->tx_desc_mapping);
4493                 context->xstorm_st_context.tx_bd_page_base_lo =
4494                                                 U64_LO(fp->tx_desc_mapping);
4495                 context->xstorm_st_context.db_data_addr_hi =
4496                                                 U64_HI(fp->tx_prods_mapping);
4497                 context->xstorm_st_context.db_data_addr_lo =
4498                                                 U64_LO(fp->tx_prods_mapping);
4499                 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4500                                 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
4501
4502                 context->ustorm_st_context.common.sb_index_numbers =
4503                                                 BNX2X_RX_SB_INDEX_NUM;
4504                 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4505                 context->ustorm_st_context.common.status_block_id = sb_id;
4506                 context->ustorm_st_context.common.flags =
4507                         USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
4508                 context->ustorm_st_context.common.mc_alignment_size =
4509                         BCM_RX_ETH_PAYLOAD_ALIGN;
4510                 context->ustorm_st_context.common.bd_buff_size =
4511                                                 bp->rx_buf_size;
4512                 context->ustorm_st_context.common.bd_page_base_hi =
4513                                                 U64_HI(fp->rx_desc_mapping);
4514                 context->ustorm_st_context.common.bd_page_base_lo =
4515                                                 U64_LO(fp->rx_desc_mapping);
4516                 if (!fp->disable_tpa) {
4517                         context->ustorm_st_context.common.flags |=
4518                                 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4519                                  USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4520                         context->ustorm_st_context.common.sge_buff_size =
4521                                         (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4522                         context->ustorm_st_context.common.sge_page_base_hi =
4523                                                 U64_HI(fp->rx_sge_mapping);
4524                         context->ustorm_st_context.common.sge_page_base_lo =
4525                                                 U64_LO(fp->rx_sge_mapping);
4526                 }
4527
4528                 context->cstorm_st_context.sb_index_number =
4529                                                 C_SB_ETH_TX_CQ_INDEX;
4530                 context->cstorm_st_context.status_block_id = sb_id;
4531
4532                 context->xstorm_ag_context.cdu_reserved =
4533                         CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4534                                                CDU_REGION_NUMBER_XCM_AG,
4535                                                ETH_CONNECTION_TYPE);
4536                 context->ustorm_ag_context.cdu_usage =
4537                         CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4538                                                CDU_REGION_NUMBER_UCM_AG,
4539                                                ETH_CONNECTION_TYPE);
4540         }
4541 }
4542
4543 static void bnx2x_init_ind_table(struct bnx2x *bp)
4544 {
4545         int func = BP_FUNC(bp);
4546         int i;
4547
4548         if (!is_multi(bp))
4549                 return;
4550
4551         DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
4552         for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4553                 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4554                         TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
4555                         BP_CL_ID(bp) + (i % bp->num_queues));
4556 }
4557
4558 static void bnx2x_set_client_config(struct bnx2x *bp)
4559 {
4560         struct tstorm_eth_client_config tstorm_client = {0};
4561         int port = BP_PORT(bp);
4562         int i;
4563
4564         tstorm_client.mtu = bp->dev->mtu;
4565         tstorm_client.statistics_counter_id = BP_CL_ID(bp);
4566         tstorm_client.config_flags =
4567                                 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4568 #ifdef BCM_VLAN
4569         if (bp->rx_mode && bp->vlgrp && (bp->flags & HW_VLAN_RX_FLAG)) {
4570                 tstorm_client.config_flags |=
4571                                 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4572                 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4573         }
4574 #endif
4575
4576         if (bp->flags & TPA_ENABLE_FLAG) {
4577                 tstorm_client.max_sges_for_packet =
4578                         SGE_PAGE_ALIGN(tstorm_client.mtu) >> SGE_PAGE_SHIFT;
4579                 tstorm_client.max_sges_for_packet =
4580                         ((tstorm_client.max_sges_for_packet +
4581                           PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4582                         PAGES_PER_SGE_SHIFT;
4583
4584                 tstorm_client.config_flags |=
4585                                 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4586         }
4587
4588         for_each_queue(bp, i) {
4589                 REG_WR(bp, BAR_TSTRORM_INTMEM +
4590                        TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
4591                        ((u32 *)&tstorm_client)[0]);
4592                 REG_WR(bp, BAR_TSTRORM_INTMEM +
4593                        TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
4594                        ((u32 *)&tstorm_client)[1]);
4595         }
4596
4597         DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4598            ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
4599 }
4600
4601 static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4602 {
4603         struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
4604         int mode = bp->rx_mode;
4605         int mask = (1 << BP_L_ID(bp));
4606         int func = BP_FUNC(bp);
4607         int i;
4608
4609         DP(NETIF_MSG_IFUP, "rx mode %d  mask 0x%x\n", mode, mask);
4610
4611         switch (mode) {
4612         case BNX2X_RX_MODE_NONE: /* no Rx */
4613                 tstorm_mac_filter.ucast_drop_all = mask;
4614                 tstorm_mac_filter.mcast_drop_all = mask;
4615                 tstorm_mac_filter.bcast_drop_all = mask;
4616                 break;
4617         case BNX2X_RX_MODE_NORMAL:
4618                 tstorm_mac_filter.bcast_accept_all = mask;
4619                 break;
4620         case BNX2X_RX_MODE_ALLMULTI:
4621                 tstorm_mac_filter.mcast_accept_all = mask;
4622                 tstorm_mac_filter.bcast_accept_all = mask;
4623                 break;
4624         case BNX2X_RX_MODE_PROMISC:
4625                 tstorm_mac_filter.ucast_accept_all = mask;
4626                 tstorm_mac_filter.mcast_accept_all = mask;
4627                 tstorm_mac_filter.bcast_accept_all = mask;
4628                 break;
4629         default:
4630                 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4631                 break;
4632         }
4633
4634         for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4635                 REG_WR(bp, BAR_TSTRORM_INTMEM +
4636                        TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
4637                        ((u32 *)&tstorm_mac_filter)[i]);
4638
4639 /*              DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
4640                    ((u32 *)&tstorm_mac_filter)[i]); */
4641         }
4642
4643         if (mode != BNX2X_RX_MODE_NONE)
4644                 bnx2x_set_client_config(bp);
4645 }
4646
4647 static void bnx2x_init_internal_common(struct bnx2x *bp)
4648 {
4649         int i;
4650
4651         if (bp->flags & TPA_ENABLE_FLAG) {
4652                 struct tstorm_eth_tpa_exist tpa = {0};
4653
4654                 tpa.tpa_exist = 1;
4655
4656                 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
4657                        ((u32 *)&tpa)[0]);
4658                 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
4659                        ((u32 *)&tpa)[1]);
4660         }
4661
4662         /* Zero this manually as its initialization is
4663            currently missing in the initTool */
4664         for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4665                 REG_WR(bp, BAR_USTRORM_INTMEM +
4666                        USTORM_AGG_DATA_OFFSET + i * 4, 0);
4667 }
4668
4669 static void bnx2x_init_internal_port(struct bnx2x *bp)
4670 {
4671         int port = BP_PORT(bp);
4672
4673         REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4674         REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4675         REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4676         REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4677 }
4678
4679 static void bnx2x_init_internal_func(struct bnx2x *bp)
4680 {
4681         struct tstorm_eth_function_common_config tstorm_config = {0};
4682         struct stats_indication_flags stats_flags = {0};
4683         int port = BP_PORT(bp);
4684         int func = BP_FUNC(bp);
4685         int i;
4686         u16 max_agg_size;
4687
4688         if (is_multi(bp)) {
4689                 tstorm_config.config_flags = MULTI_FLAGS;
4690                 tstorm_config.rss_result_mask = MULTI_MASK;
4691         }
4692
4693         tstorm_config.leading_client_id = BP_L_ID(bp);
4694
4695         REG_WR(bp, BAR_TSTRORM_INTMEM +
4696                TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
4697                (*(u32 *)&tstorm_config));
4698
4699         bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
4700         bnx2x_set_storm_rx_mode(bp);
4701
4702         /* reset xstorm per client statistics */
4703         for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4704                 REG_WR(bp, BAR_XSTRORM_INTMEM +
4705                        XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4706                        i*4, 0);
4707         }
4708         /* reset tstorm per client statistics */
4709         for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4710                 REG_WR(bp, BAR_TSTRORM_INTMEM +
4711                        TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4712                        i*4, 0);
4713         }
4714
4715         /* Init statistics related context */
4716         stats_flags.collect_eth = 1;
4717
4718         REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
4719                ((u32 *)&stats_flags)[0]);
4720         REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
4721                ((u32 *)&stats_flags)[1]);
4722
4723         REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
4724                ((u32 *)&stats_flags)[0]);
4725         REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
4726                ((u32 *)&stats_flags)[1]);
4727
4728         REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
4729                ((u32 *)&stats_flags)[0]);
4730         REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
4731                ((u32 *)&stats_flags)[1]);
4732
4733         REG_WR(bp, BAR_XSTRORM_INTMEM +
4734                XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4735                U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4736         REG_WR(bp, BAR_XSTRORM_INTMEM +
4737                XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4738                U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4739
4740         REG_WR(bp, BAR_TSTRORM_INTMEM +
4741                TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4742                U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4743         REG_WR(bp, BAR_TSTRORM_INTMEM +
4744                TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4745                U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4746
4747         if (CHIP_IS_E1H(bp)) {
4748                 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4749                         IS_E1HMF(bp));
4750                 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4751                         IS_E1HMF(bp));
4752                 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4753                         IS_E1HMF(bp));
4754                 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4755                         IS_E1HMF(bp));
4756
4757                 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4758                          bp->e1hov);
4759         }
4760
4761         /* Init CQ ring mapping and aggregation size, the FW limit is 8 frags */
4762         max_agg_size =
4763                 min((u32)(min((u32)8, (u32)MAX_SKB_FRAGS) *
4764                           SGE_PAGE_SIZE * PAGES_PER_SGE),
4765                     (u32)0xffff);
4766         for_each_queue(bp, i) {
4767                 struct bnx2x_fastpath *fp = &bp->fp[i];
4768
4769                 REG_WR(bp, BAR_USTRORM_INTMEM +
4770                        USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4771                        U64_LO(fp->rx_comp_mapping));
4772                 REG_WR(bp, BAR_USTRORM_INTMEM +
4773                        USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4774                        U64_HI(fp->rx_comp_mapping));
4775
4776                 REG_WR16(bp, BAR_USTRORM_INTMEM +
4777                          USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4778                          max_agg_size);
4779         }
4780 }
4781
4782 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4783 {
4784         switch (load_code) {
4785         case FW_MSG_CODE_DRV_LOAD_COMMON:
4786                 bnx2x_init_internal_common(bp);
4787                 /* no break */
4788
4789         case FW_MSG_CODE_DRV_LOAD_PORT:
4790                 bnx2x_init_internal_port(bp);
4791                 /* no break */
4792
4793         case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4794                 bnx2x_init_internal_func(bp);
4795                 break;
4796
4797         default:
4798                 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4799                 break;
4800         }
4801 }
4802
4803 static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
4804 {
4805         int i;
4806
4807         for_each_queue(bp, i) {
4808                 struct bnx2x_fastpath *fp = &bp->fp[i];
4809
4810                 fp->bp = bp;
4811                 fp->state = BNX2X_FP_STATE_CLOSED;
4812                 fp->index = i;
4813                 fp->cl_id = BP_L_ID(bp) + i;
4814                 fp->sb_id = fp->cl_id;
4815                 DP(NETIF_MSG_IFUP,
4816                    "bnx2x_init_sb(%p,%p) index %d  cl_id %d  sb %d\n",
4817                    bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
4818                 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4819                               FP_SB_ID(fp));
4820                 bnx2x_update_fpsb_idx(fp);
4821         }
4822
4823         bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4824                           DEF_SB_ID);
4825         bnx2x_update_dsb_idx(bp);
4826         bnx2x_update_coalesce(bp);
4827         bnx2x_init_rx_rings(bp);
4828         bnx2x_init_tx_ring(bp);
4829         bnx2x_init_sp_ring(bp);
4830         bnx2x_init_context(bp);
4831         bnx2x_init_internal(bp, load_code);
4832         bnx2x_init_ind_table(bp);
4833         bnx2x_stats_init(bp);
4834
4835         /* At this point, we are ready for interrupts */
4836         atomic_set(&bp->intr_sem, 0);
4837
4838         /* flush all before enabling interrupts */
4839         mb();
4840         mmiowb();
4841
4842         bnx2x_int_enable(bp);
4843 }
4844
4845 /* end of nic init */
4846
4847 /*
4848  * gzip service functions
4849  */
4850
4851 static int bnx2x_gunzip_init(struct bnx2x *bp)
4852 {
4853         bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4854                                               &bp->gunzip_mapping);
4855         if (bp->gunzip_buf  == NULL)
4856                 goto gunzip_nomem1;
4857
4858         bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4859         if (bp->strm  == NULL)
4860                 goto gunzip_nomem2;
4861
4862         bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4863                                       GFP_KERNEL);
4864         if (bp->strm->workspace == NULL)
4865                 goto gunzip_nomem3;
4866
4867         return 0;
4868
4869 gunzip_nomem3:
4870         kfree(bp->strm);
4871         bp->strm = NULL;
4872
4873 gunzip_nomem2:
4874         pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4875                             bp->gunzip_mapping);
4876         bp->gunzip_buf = NULL;
4877
4878 gunzip_nomem1:
4879         printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
4880                " un-compression\n", bp->dev->name);
4881         return -ENOMEM;
4882 }
4883
4884 static void bnx2x_gunzip_end(struct bnx2x *bp)
4885 {
4886         kfree(bp->strm->workspace);
4887
4888         kfree(bp->strm);
4889         bp->strm = NULL;
4890
4891         if (bp->gunzip_buf) {
4892                 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4893                                     bp->gunzip_mapping);
4894                 bp->gunzip_buf = NULL;
4895         }
4896 }
4897
4898 static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4899 {
4900         int n, rc;
4901
4902         /* check gzip header */
4903         if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4904                 return -EINVAL;
4905
4906         n = 10;
4907
4908 #define FNAME                           0x8
4909
4910         if (zbuf[3] & FNAME)
4911                 while ((zbuf[n++] != 0) && (n < len));
4912
4913         bp->strm->next_in = zbuf + n;
4914         bp->strm->avail_in = len - n;
4915         bp->strm->next_out = bp->gunzip_buf;
4916         bp->strm->avail_out = FW_BUF_SIZE;
4917
4918         rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4919         if (rc != Z_OK)
4920                 return rc;
4921
4922         rc = zlib_inflate(bp->strm, Z_FINISH);
4923         if ((rc != Z_OK) && (rc != Z_STREAM_END))
4924                 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4925                        bp->dev->name, bp->strm->msg);
4926
4927         bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4928         if (bp->gunzip_outlen & 0x3)
4929                 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4930                                     " gunzip_outlen (%d) not aligned\n",
4931                        bp->dev->name, bp->gunzip_outlen);
4932         bp->gunzip_outlen >>= 2;
4933
4934         zlib_inflateEnd(bp->strm);
4935
4936         if (rc == Z_STREAM_END)
4937                 return 0;
4938
4939         return rc;
4940 }
4941
4942 /* nic load/unload */
4943
4944 /*
4945  * General service functions
4946  */
4947
4948 /* send a NIG loopback debug packet */
4949 static void bnx2x_lb_pckt(struct bnx2x *bp)
4950 {
4951         u32 wb_write[3];
4952
4953         /* Ethernet source and destination addresses */
4954         wb_write[0] = 0x55555555;
4955         wb_write[1] = 0x55555555;
4956         wb_write[2] = 0x20;             /* SOP */
4957         REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4958
4959         /* NON-IP protocol */
4960         wb_write[0] = 0x09000000;
4961         wb_write[1] = 0x55555555;
4962         wb_write[2] = 0x10;             /* EOP, eop_bvalid = 0 */
4963         REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4964 }
4965
4966 /* some of the internal memories
4967  * are not directly readable from the driver
4968  * to test them we send debug packets
4969  */
4970 static int bnx2x_int_mem_test(struct bnx2x *bp)
4971 {
4972         int factor;
4973         int count, i;
4974         u32 val = 0;
4975
4976         if (CHIP_REV_IS_FPGA(bp))
4977                 factor = 120;
4978         else if (CHIP_REV_IS_EMUL(bp))
4979                 factor = 200;
4980         else
4981                 factor = 1;
4982
4983         DP(NETIF_MSG_HW, "start part1\n");
4984
4985         /* Disable inputs of parser neighbor blocks */
4986         REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4987         REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4988         REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4989         REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4990
4991         /*  Write 0 to parser credits for CFC search request */
4992         REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4993
4994         /* send Ethernet packet */
4995         bnx2x_lb_pckt(bp);
4996
4997         /* TODO do i reset NIG statistic? */
4998         /* Wait until NIG register shows 1 packet of size 0x10 */
4999         count = 1000 * factor;
5000         while (count) {
5001
5002                 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5003                 val = *bnx2x_sp(bp, wb_data[0]);
5004                 if (val == 0x10)
5005                         break;
5006
5007                 msleep(10);
5008                 count--;
5009         }
5010         if (val != 0x10) {
5011                 BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
5012                 return -1;
5013         }
5014
5015         /* Wait until PRS register shows 1 packet */
5016         count = 1000 * factor;
5017         while (count) {
5018                 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5019                 if (val == 1)
5020                         break;
5021
5022                 msleep(10);
5023                 count--;
5024         }
5025         if (val != 0x1) {
5026                 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5027                 return -2;
5028         }
5029
5030         /* Reset and init BRB, PRS */
5031         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5032         msleep(50);
5033         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5034         msleep(50);
5035         bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5036         bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5037
5038         DP(NETIF_MSG_HW, "part2\n");
5039
5040         /* Disable inputs of parser neighbor blocks */
5041         REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5042         REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5043         REG_WR(bp, CFC_REG_DEBUG0, 0x1);
5044         REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
5045
5046         /* Write 0 to parser credits for CFC search request */
5047         REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5048
5049         /* send 10 Ethernet packets */
5050         for (i = 0; i < 10; i++)
5051                 bnx2x_lb_pckt(bp);
5052
5053         /* Wait until NIG register shows 10 + 1
5054            packets of size 11*0x10 = 0xb0 */
5055         count = 1000 * factor;
5056         while (count) {
5057
5058                 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5059                 val = *bnx2x_sp(bp, wb_data[0]);
5060                 if (val == 0xb0)
5061                         break;
5062
5063                 msleep(10);
5064                 count--;
5065         }
5066         if (val != 0xb0) {
5067                 BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
5068                 return -3;
5069         }
5070
5071         /* Wait until PRS register shows 2 packets */
5072         val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5073         if (val != 2)
5074                 BNX2X_ERR("PRS timeout  val = 0x%x\n", val);
5075
5076         /* Write 1 to parser credits for CFC search request */
5077         REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5078
5079         /* Wait until PRS register shows 3 packets */
5080         msleep(10 * factor);
5081         /* Wait until NIG register shows 1 packet of size 0x10 */
5082         val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5083         if (val != 3)
5084                 BNX2X_ERR("PRS timeout  val = 0x%x\n", val);
5085
5086         /* clear NIG EOP FIFO */
5087         for (i = 0; i < 11; i++)
5088                 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5089         val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5090         if (val != 1) {
5091                 BNX2X_ERR("clear of NIG failed\n");
5092                 return -4;
5093         }
5094
5095         /* Reset and init BRB, PRS, NIG */
5096         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5097         msleep(50);
5098         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5099         msleep(50);
5100         bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5101         bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5102 #ifndef BCM_ISCSI
5103         /* set NIC mode */
5104         REG_WR(bp, PRS_REG_NIC_MODE, 1);
5105 #endif
5106
5107         /* Enable inputs of parser neighbor blocks */
5108         REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5109         REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5110         REG_WR(bp, CFC_REG_DEBUG0, 0x0);
5111         REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
5112
5113         DP(NETIF_MSG_HW, "done\n");
5114
5115         return 0; /* OK */
5116 }
5117
5118 static void enable_blocks_attention(struct bnx2x *bp)
5119 {
5120         REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5121         REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5122         REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5123         REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5124         REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5125         REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5126         REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5127         REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5128         REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
5129 /*      REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5130 /*      REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
5131         REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5132         REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5133         REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
5134 /*      REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5135 /*      REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
5136         REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5137         REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5138         REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5139         REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
5140 /*      REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5141 /*      REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5142         if (CHIP_REV_IS_FPGA(bp))
5143                 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5144         else
5145                 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
5146         REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5147         REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5148         REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
5149 /*      REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5150 /*      REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
5151         REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5152         REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
5153 /*      REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5154         REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18);         /* bit 3,4 masked */
5155 }
5156
5157
5158 static void bnx2x_reset_common(struct bnx2x *bp)
5159 {
5160         /* reset_common */
5161         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5162                0xd3ffff7f);
5163         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
5164 }
5165
5166 static int bnx2x_init_common(struct bnx2x *bp)
5167 {
5168         u32 val, i;
5169
5170         DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_FUNC(bp));
5171
5172         bnx2x_reset_common(bp);
5173         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5174         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5175
5176         bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5177         if (CHIP_IS_E1H(bp))
5178                 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5179
5180         REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5181         msleep(30);
5182         REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5183
5184         bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5185         if (CHIP_IS_E1(bp)) {
5186                 /* enable HW interrupt from PXP on USDM overflow
5187                    bit 16 on INT_MASK_0 */
5188                 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5189         }
5190
5191         bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5192         bnx2x_init_pxp(bp);
5193
5194 #ifdef __BIG_ENDIAN
5195         REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5196         REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5197         REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5198         REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5199         REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5200
5201 /*      REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5202         REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5203         REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5204         REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5205         REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
5206 #endif
5207
5208         REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
5209 #ifdef BCM_ISCSI
5210         REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5211         REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5212         REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
5213 #endif
5214
5215         if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5216                 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
5217
5218         /* let the HW do it's magic ... */
5219         msleep(100);
5220         /* finish PXP init */
5221         val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5222         if (val != 1) {
5223                 BNX2X_ERR("PXP2 CFG failed\n");
5224                 return -EBUSY;
5225         }
5226         val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5227         if (val != 1) {
5228                 BNX2X_ERR("PXP2 RD_INIT failed\n");
5229                 return -EBUSY;
5230         }
5231
5232         REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5233         REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
5234
5235         bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
5236
5237         /* clean the DMAE memory */
5238         bp->dmae_ready = 1;
5239         bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
5240
5241         bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5242         bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5243         bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5244         bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
5245
5246         bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5247         bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5248         bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5249         bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5250
5251         bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5252         /* soft reset pulse */
5253         REG_WR(bp, QM_REG_SOFT_RESET, 1);
5254         REG_WR(bp, QM_REG_SOFT_RESET, 0);
5255
5256 #ifdef BCM_ISCSI
5257         bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
5258 #endif
5259
5260         bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5261         REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5262         if (!CHIP_REV_IS_SLOW(bp)) {
5263                 /* enable hw interrupt from doorbell Q */
5264                 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5265         }
5266
5267         bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5268         if (CHIP_REV_IS_SLOW(bp)) {
5269                 /* fix for emulation and FPGA for no pause */
5270                 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5271                 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5272                 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5273                 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5274         }
5275
5276         bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5277         REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
5278         /* set NIC mode */
5279         REG_WR(bp, PRS_REG_NIC_MODE, 1);
5280         if (CHIP_IS_E1H(bp))
5281                 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
5282
5283         bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5284         bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5285         bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5286         bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
5287
5288         if (CHIP_IS_E1H(bp)) {
5289                 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5290                                 STORM_INTMEM_SIZE_E1H/2);
5291                 bnx2x_init_fill(bp,
5292                                 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5293                                 0, STORM_INTMEM_SIZE_E1H/2);
5294                 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5295                                 STORM_INTMEM_SIZE_E1H/2);
5296                 bnx2x_init_fill(bp,
5297                                 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5298                                 0, STORM_INTMEM_SIZE_E1H/2);
5299                 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5300                                 STORM_INTMEM_SIZE_E1H/2);
5301                 bnx2x_init_fill(bp,
5302                                 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5303                                 0, STORM_INTMEM_SIZE_E1H/2);
5304                 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5305                                 STORM_INTMEM_SIZE_E1H/2);
5306                 bnx2x_init_fill(bp,
5307                                 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5308                                 0, STORM_INTMEM_SIZE_E1H/2);
5309         } else { /* E1 */
5310                 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5311                                 STORM_INTMEM_SIZE_E1);
5312                 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5313                                 STORM_INTMEM_SIZE_E1);
5314                 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5315                                 STORM_INTMEM_SIZE_E1);
5316                 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5317                                 STORM_INTMEM_SIZE_E1);
5318         }
5319
5320         bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5321         bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5322         bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5323         bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
5324
5325         /* sync semi rtc */
5326         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5327                0x80000000);
5328         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5329                0x80000000);
5330
5331         bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5332         bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5333         bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
5334
5335         REG_WR(bp, SRC_REG_SOFT_RST, 1);
5336         for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5337                 REG_WR(bp, i, 0xc0cac01a);
5338                 /* TODO: replace with something meaningful */
5339         }
5340         if (CHIP_IS_E1H(bp))
5341                 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5342         REG_WR(bp, SRC_REG_SOFT_RST, 0);
5343
5344         if (sizeof(union cdu_context) != 1024)
5345                 /* we currently assume that a context is 1024 bytes */
5346                 printk(KERN_ALERT PFX "please adjust the size of"
5347                        " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
5348
5349         bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5350         val = (4 << 24) + (0 << 12) + 1024;
5351         REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5352         if (CHIP_IS_E1(bp)) {
5353                 /* !!! fix pxp client crdit until excel update */
5354                 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5355                 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5356         }
5357
5358         bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5359         REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
5360
5361         bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5362         bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
5363
5364         /* PXPCS COMMON comes here */
5365         /* Reset PCIE errors for debug */
5366         REG_WR(bp, 0x2814, 0xffffffff);
5367         REG_WR(bp, 0x3820, 0xffffffff);
5368
5369         /* EMAC0 COMMON comes here */
5370         /* EMAC1 COMMON comes here */
5371         /* DBU COMMON comes here */
5372         /* DBG COMMON comes here */
5373
5374         bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5375         if (CHIP_IS_E1H(bp)) {
5376                 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5377                 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5378         }
5379
5380         if (CHIP_REV_IS_SLOW(bp))
5381                 msleep(200);
5382
5383         /* finish CFC init */
5384         val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5385         if (val != 1) {
5386                 BNX2X_ERR("CFC LL_INIT failed\n");
5387                 return -EBUSY;
5388         }
5389         val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5390         if (val != 1) {
5391                 BNX2X_ERR("CFC AC_INIT failed\n");
5392                 return -EBUSY;
5393         }
5394         val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5395         if (val != 1) {
5396                 BNX2X_ERR("CFC CAM_INIT failed\n");
5397                 return -EBUSY;
5398         }
5399         REG_WR(bp, CFC_REG_DEBUG0, 0);
5400
5401         /* read NIG statistic
5402            to see if this is our first up since powerup */
5403         bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5404         val = *bnx2x_sp(bp, wb_data[0]);
5405
5406         /* do internal memory self test */
5407         if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5408                 BNX2X_ERR("internal mem self test failed\n");
5409                 return -EBUSY;
5410         }
5411
5412         switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5413         case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
5414         case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5415                 /* Fan failure is indicated by SPIO 5 */
5416                 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5417                                MISC_REGISTERS_SPIO_INPUT_HI_Z);
5418
5419                 /* set to active low mode */
5420                 val = REG_RD(bp, MISC_REG_SPIO_INT);
5421                 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
5422                                         MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
5423                 REG_WR(bp, MISC_REG_SPIO_INT, val);
5424
5425                 /* enable interrupt to signal the IGU */
5426                 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5427                 val |= (1 << MISC_REGISTERS_SPIO_5);
5428                 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5429                 break;
5430
5431         default:
5432                 break;
5433         }
5434
5435         /* clear PXP2 attentions */
5436         REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
5437
5438         enable_blocks_attention(bp);
5439
5440         if (!BP_NOMCP(bp)) {
5441                 bnx2x_acquire_phy_lock(bp);
5442                 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5443                 bnx2x_release_phy_lock(bp);
5444         } else
5445                 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5446
5447         return 0;
5448 }
5449
5450 static int bnx2x_init_port(struct bnx2x *bp)
5451 {
5452         int port = BP_PORT(bp);
5453         u32 val;
5454
5455         DP(BNX2X_MSG_MCP, "starting port init  port %x\n", port);
5456
5457         REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
5458
5459         /* Port PXP comes here */
5460         /* Port PXP2 comes here */
5461 #ifdef BCM_ISCSI
5462         /* Port0  1
5463          * Port1  385 */
5464         i++;
5465         wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5466         wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5467         REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5468         REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5469
5470         /* Port0  2
5471          * Port1  386 */
5472         i++;
5473         wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5474         wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5475         REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5476         REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5477
5478         /* Port0  3
5479          * Port1  387 */
5480         i++;
5481         wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5482         wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5483         REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5484         REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5485 #endif
5486         /* Port CMs come here */
5487
5488         /* Port QM comes here */
5489 #ifdef BCM_ISCSI
5490         REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5491         REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5492
5493         bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5494                              func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5495 #endif
5496         /* Port DQ comes here */
5497         /* Port BRB1 comes here */
5498         /* Port PRS comes here */
5499         /* Port TSDM comes here */
5500         /* Port CSDM comes here */
5501         /* Port USDM comes here */
5502         /* Port XSDM comes here */
5503         bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5504                              port ? TSEM_PORT1_END : TSEM_PORT0_END);
5505         bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5506                              port ? USEM_PORT1_END : USEM_PORT0_END);
5507         bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5508                              port ? CSEM_PORT1_END : CSEM_PORT0_END);
5509         bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5510                              port ? XSEM_PORT1_END : XSEM_PORT0_END);
5511         /* Port UPB comes here */
5512         /* Port XPB comes here */
5513
5514         bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5515                              port ? PBF_PORT1_END : PBF_PORT0_END);
5516
5517         /* configure PBF to work without PAUSE mtu 9000 */
5518         REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
5519
5520         /* update threshold */
5521         REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5522         /* update init credit */
5523         REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
5524
5525         /* probe changes */
5526         REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5527         msleep(5);
5528         REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5529
5530 #ifdef BCM_ISCSI
5531         /* tell the searcher where the T2 table is */
5532         REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5533
5534         wb_write[0] = U64_LO(bp->t2_mapping);
5535         wb_write[1] = U64_HI(bp->t2_mapping);
5536         REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5537         wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5538         wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5539         REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5540
5541         REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5542         /* Port SRCH comes here */
5543 #endif
5544         /* Port CDU comes here */
5545         /* Port CFC comes here */
5546
5547         if (CHIP_IS_E1(bp)) {
5548                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5549                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5550         }
5551         bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5552                              port ? HC_PORT1_END : HC_PORT0_END);
5553
5554         bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
5555                                     MISC_AEU_PORT0_START,
5556                              port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5557         /* init aeu_mask_attn_func_0/1:
5558          *  - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5559          *  - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5560          *             bits 4-7 are used for "per vn group attention" */
5561         REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5562                (IS_E1HMF(bp) ? 0xF7 : 0x7));
5563
5564         /* Port PXPCS comes here */
5565         /* Port EMAC0 comes here */
5566         /* Port EMAC1 comes here */
5567         /* Port DBU comes here */
5568         /* Port DBG comes here */
5569         bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5570                              port ? NIG_PORT1_END : NIG_PORT0_END);
5571
5572         REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5573
5574         if (CHIP_IS_E1H(bp)) {
5575                 u32 wsum;
5576                 struct cmng_struct_per_port m_cmng_port;
5577                 int vn;
5578
5579                 /* 0x2 disable e1hov, 0x1 enable */
5580                 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5581                        (IS_E1HMF(bp) ? 0x1 : 0x2));
5582
5583                 /* Init RATE SHAPING and FAIRNESS contexts.
5584                    Initialize as if there is 10G link. */
5585                 wsum = bnx2x_calc_vn_wsum(bp);
5586                 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5587                 if (IS_E1HMF(bp))
5588                         for (vn = VN_0; vn < E1HVN_MAX; vn++)
5589                                 bnx2x_init_vn_minmax(bp, 2*vn + port,
5590                                         wsum, 10000, &m_cmng_port);
5591         }
5592
5593         /* Port MCP comes here */
5594         /* Port DMAE comes here */
5595
5596         switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5597         case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
5598         case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5599                 /* add SPIO 5 to group 0 */
5600                 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5601                 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5602                 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5603                 break;
5604
5605         default:
5606                 break;
5607         }
5608
5609         bnx2x__link_reset(bp);
5610
5611         return 0;
5612 }
5613
5614 #define ILT_PER_FUNC            (768/2)
5615 #define FUNC_ILT_BASE(func)     (func * ILT_PER_FUNC)
5616 /* the phys address is shifted right 12 bits and has an added
5617    1=valid bit added to the 53rd bit
5618    then since this is a wide register(TM)
5619    we split it into two 32 bit writes
5620  */
5621 #define ONCHIP_ADDR1(x)         ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5622 #define ONCHIP_ADDR2(x)         ((u32)((1 << 20) | ((u64)x >> 44)))
5623 #define PXP_ONE_ILT(x)          (((x) << 10) | x)
5624 #define PXP_ILT_RANGE(f, l)     (((l) << 10) | f)
5625
5626 #define CNIC_ILT_LINES          0
5627
5628 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5629 {
5630         int reg;
5631
5632         if (CHIP_IS_E1H(bp))
5633                 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5634         else /* E1 */
5635                 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5636
5637         bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5638 }
5639
5640 static int bnx2x_init_func(struct bnx2x *bp)
5641 {
5642         int port = BP_PORT(bp);
5643         int func = BP_FUNC(bp);
5644         int i;
5645
5646         DP(BNX2X_MSG_MCP, "starting func init  func %x\n", func);
5647
5648         i = FUNC_ILT_BASE(func);
5649
5650         bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5651         if (CHIP_IS_E1H(bp)) {
5652                 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5653                 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5654         } else /* E1 */
5655                 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5656                        PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5657
5658
5659         if (CHIP_IS_E1H(bp)) {
5660                 for (i = 0; i < 9; i++)
5661                         bnx2x_init_block(bp,
5662                                          cm_start[func][i], cm_end[func][i]);
5663
5664                 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5665                 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5666         }
5667
5668         /* HC init per function */
5669         if (CHIP_IS_E1H(bp)) {
5670                 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5671
5672                 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5673                 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5674         }
5675         bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5676
5677         if (CHIP_IS_E1H(bp))
5678                 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5679
5680         /* Reset PCIE errors for debug */
5681         REG_WR(bp, 0x2114, 0xffffffff);
5682         REG_WR(bp, 0x2120, 0xffffffff);
5683
5684         return 0;
5685 }
5686
5687 static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5688 {
5689         int i, rc = 0;
5690
5691         DP(BNX2X_MSG_MCP, "function %d  load_code %x\n",
5692            BP_FUNC(bp), load_code);
5693
5694         bp->dmae_ready = 0;
5695         mutex_init(&bp->dmae_mutex);
5696         bnx2x_gunzip_init(bp);
5697
5698         switch (load_code) {
5699         case FW_MSG_CODE_DRV_LOAD_COMMON:
5700                 rc = bnx2x_init_common(bp);
5701                 if (rc)
5702                         goto init_hw_err;
5703                 /* no break */
5704
5705         case FW_MSG_CODE_DRV_LOAD_PORT:
5706                 bp->dmae_ready = 1;
5707                 rc = bnx2x_init_port(bp);
5708                 if (rc)
5709                         goto init_hw_err;
5710                 /* no break */
5711
5712         case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5713                 bp->dmae_ready = 1;
5714                 rc = bnx2x_init_func(bp);
5715                 if (rc)
5716                         goto init_hw_err;
5717                 break;
5718
5719         default:
5720                 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5721                 break;
5722         }
5723
5724         if (!BP_NOMCP(bp)) {
5725                 int func = BP_FUNC(bp);
5726
5727                 bp->fw_drv_pulse_wr_seq =
5728                                 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5729                                  DRV_PULSE_SEQ_MASK);
5730                 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5731                 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x  func_stx 0x%x\n",
5732                    bp->fw_drv_pulse_wr_seq, bp->func_stx);
5733         } else
5734                 bp->func_stx = 0;
5735
5736         /* this needs to be done before gunzip end */
5737         bnx2x_zero_def_sb(bp);
5738         for_each_queue(bp, i)
5739                 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5740
5741 init_hw_err:
5742         bnx2x_gunzip_end(bp);
5743
5744         return rc;
5745 }
5746
5747 /* send the MCP a request, block until there is a reply */
5748 static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5749 {
5750         int func = BP_FUNC(bp);
5751         u32 seq = ++bp->fw_seq;
5752         u32 rc = 0;
5753         u32 cnt = 1;
5754         u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
5755
5756         SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
5757         DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
5758
5759         do {
5760                 /* let the FW do it's magic ... */
5761                 msleep(delay);
5762
5763                 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
5764
5765                 /* Give the FW up to 2 second (200*10ms) */
5766         } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5767
5768         DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5769            cnt*delay, rc, seq);
5770
5771         /* is this a reply to our command? */
5772         if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5773                 rc &= FW_MSG_CODE_MASK;
5774
5775         } else {
5776                 /* FW BUG! */
5777                 BNX2X_ERR("FW failed to respond!\n");
5778                 bnx2x_fw_dump(bp);
5779                 rc = 0;
5780         }
5781
5782         return rc;
5783 }
5784
5785 static void bnx2x_free_mem(struct bnx2x *bp)
5786 {
5787
5788 #define BNX2X_PCI_FREE(x, y, size) \
5789         do { \
5790                 if (x) { \
5791                         pci_free_consistent(bp->pdev, size, x, y); \
5792                         x = NULL; \
5793                         y = 0; \
5794                 } \
5795         } while (0)
5796
5797 #define BNX2X_FREE(x) \
5798         do { \
5799                 if (x) { \
5800                         vfree(x); \
5801                         x = NULL; \
5802                 } \
5803         } while (0)
5804
5805         int i;
5806
5807         /* fastpath */
5808         for_each_queue(bp, i) {
5809
5810                 /* Status blocks */
5811                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5812                                bnx2x_fp(bp, i, status_blk_mapping),
5813                                sizeof(struct host_status_block) +
5814                                sizeof(struct eth_tx_db_data));
5815
5816                 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5817                 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5818                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5819                                bnx2x_fp(bp, i, tx_desc_mapping),
5820                                sizeof(struct eth_tx_bd) * NUM_TX_BD);
5821
5822                 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5823                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5824                                bnx2x_fp(bp, i, rx_desc_mapping),
5825                                sizeof(struct eth_rx_bd) * NUM_RX_BD);
5826
5827                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5828                                bnx2x_fp(bp, i, rx_comp_mapping),
5829                                sizeof(struct eth_fast_path_rx_cqe) *
5830                                NUM_RCQ_BD);
5831
5832                 /* SGE ring */
5833                 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5834                 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5835                                bnx2x_fp(bp, i, rx_sge_mapping),
5836                                BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5837         }
5838         /* end of fastpath */
5839
5840         BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5841                        sizeof(struct host_def_status_block));
5842
5843         BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5844                        sizeof(struct bnx2x_slowpath));
5845
5846 #ifdef BCM_ISCSI
5847         BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5848         BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5849         BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5850         BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5851 #endif
5852         BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
5853
5854 #undef BNX2X_PCI_FREE
5855 #undef BNX2X_KFREE
5856 }
5857
5858 static int bnx2x_alloc_mem(struct bnx2x *bp)
5859 {
5860
5861 #define BNX2X_PCI_ALLOC(x, y, size) \
5862         do { \
5863                 x = pci_alloc_consistent(bp->pdev, size, y); \
5864                 if (x == NULL) \
5865                         goto alloc_mem_err; \
5866                 memset(x, 0, size); \
5867         } while (0)
5868
5869 #define BNX2X_ALLOC(x, size) \
5870         do { \
5871                 x = vmalloc(size); \
5872                 if (x == NULL) \
5873                         goto alloc_mem_err; \
5874                 memset(x, 0, size); \
5875         } while (0)
5876
5877         int i;
5878
5879         /* fastpath */
5880         for_each_queue(bp, i) {
5881                 bnx2x_fp(bp, i, bp) = bp;
5882
5883                 /* Status blocks */
5884                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5885                                 &bnx2x_fp(bp, i, status_blk_mapping),
5886                                 sizeof(struct host_status_block) +
5887                                 sizeof(struct eth_tx_db_data));
5888
5889                 bnx2x_fp(bp, i, hw_tx_prods) =
5890                                 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5891
5892                 bnx2x_fp(bp, i, tx_prods_mapping) =
5893                                 bnx2x_fp(bp, i, status_blk_mapping) +
5894                                 sizeof(struct host_status_block);
5895
5896                 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5897                 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5898                                 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5899                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5900                                 &bnx2x_fp(bp, i, tx_desc_mapping),
5901                                 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5902
5903                 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5904                                 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5905                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5906                                 &bnx2x_fp(bp, i, rx_desc_mapping),
5907                                 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5908
5909                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5910                                 &bnx2x_fp(bp, i, rx_comp_mapping),
5911                                 sizeof(struct eth_fast_path_rx_cqe) *
5912                                 NUM_RCQ_BD);
5913
5914                 /* SGE ring */
5915                 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5916                                 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5917                 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5918                                 &bnx2x_fp(bp, i, rx_sge_mapping),
5919                                 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5920         }
5921         /* end of fastpath */
5922
5923         BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5924                         sizeof(struct host_def_status_block));
5925
5926         BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5927                         sizeof(struct bnx2x_slowpath));
5928
5929 #ifdef BCM_ISCSI
5930         BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5931
5932         /* Initialize T1 */
5933         for (i = 0; i < 64*1024; i += 64) {
5934                 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5935                 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5936         }
5937
5938         /* allocate searcher T2 table
5939            we allocate 1/4 of alloc num for T2
5940           (which is not entered into the ILT) */
5941         BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5942
5943         /* Initialize T2 */
5944         for (i = 0; i < 16*1024; i += 64)
5945                 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5946
5947         /* now fixup the last line in the block to point to the next block */
5948         *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5949
5950         /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5951         BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5952
5953         /* QM queues (128*MAX_CONN) */
5954         BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5955 #endif
5956
5957         /* Slow path ring */
5958         BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5959
5960         return 0;
5961
5962 alloc_mem_err:
5963         bnx2x_free_mem(bp);
5964         return -ENOMEM;
5965
5966 #undef BNX2X_PCI_ALLOC
5967 #undef BNX2X_ALLOC
5968 }
5969
5970 static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5971 {
5972         int i;
5973
5974         for_each_queue(bp, i) {
5975                 struct bnx2x_fastpath *fp = &bp->fp[i];
5976
5977                 u16 bd_cons = fp->tx_bd_cons;
5978                 u16 sw_prod = fp->tx_pkt_prod;
5979                 u16 sw_cons = fp->tx_pkt_cons;
5980
5981                 while (sw_cons != sw_prod) {
5982                         bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5983                         sw_cons++;
5984                 }
5985         }
5986 }
5987
5988 static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5989 {
5990         int i, j;
5991
5992         for_each_queue(bp, j) {
5993                 struct bnx2x_fastpath *fp = &bp->fp[j];
5994
5995                 for (i = 0; i < NUM_RX_BD; i++) {
5996                         struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5997                         struct sk_buff *skb = rx_buf->skb;
5998
5999                         if (skb == NULL)
6000                                 continue;
6001
6002                         pci_unmap_single(bp->pdev,
6003                                          pci_unmap_addr(rx_buf, mapping),
6004                                          bp->rx_buf_size,
6005                                          PCI_DMA_FROMDEVICE);
6006
6007                         rx_buf->skb = NULL;
6008                         dev_kfree_skb(skb);
6009                 }
6010                 if (!fp->disable_tpa)
6011                         bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
6012                                             ETH_MAX_AGGREGATION_QUEUES_E1 :
6013                                             ETH_MAX_AGGREGATION_QUEUES_E1H);
6014         }
6015 }
6016
6017 static void bnx2x_free_skbs(struct bnx2x *bp)
6018 {
6019         bnx2x_free_tx_skbs(bp);
6020         bnx2x_free_rx_skbs(bp);
6021 }
6022
6023 static void bnx2x_free_msix_irqs(struct bnx2x *bp)
6024 {
6025         int i, offset = 1;
6026
6027         free_irq(bp->msix_table[0].vector, bp->dev);
6028         DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
6029            bp->msix_table[0].vector);
6030
6031         for_each_queue(bp, i) {
6032                 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq  "
6033                    "state %x\n", i, bp->msix_table[i + offset].vector,
6034                    bnx2x_fp(bp, i, state));
6035
6036                 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
6037                         BNX2X_ERR("IRQ of fp #%d being freed while "
6038                                   "state != closed\n", i);
6039
6040                 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
6041         }
6042 }
6043
6044 static void bnx2x_free_irq(struct bnx2x *bp)
6045 {
6046         if (bp->flags & USING_MSIX_FLAG) {
6047                 bnx2x_free_msix_irqs(bp);
6048                 pci_disable_msix(bp->pdev);
6049                 bp->flags &= ~USING_MSIX_FLAG;
6050
6051         } else
6052                 free_irq(bp->pdev->irq, bp->dev);
6053 }
6054
6055 static int bnx2x_enable_msix(struct bnx2x *bp)
6056 {
6057         int i, rc, offset;
6058
6059         bp->msix_table[0].entry = 0;
6060         offset = 1;
6061         DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
6062
6063         for_each_queue(bp, i) {
6064                 int igu_vec = offset + i + BP_L_ID(bp);
6065
6066                 bp->msix_table[i + offset].entry = igu_vec;
6067                 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6068                    "(fastpath #%u)\n", i + offset, igu_vec, i);
6069         }
6070
6071         rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6072                              bp->num_queues + offset);
6073         if (rc) {
6074                 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6075                 return -1;
6076         }
6077         bp->flags |= USING_MSIX_FLAG;
6078
6079         return 0;
6080 }
6081
6082 static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6083 {
6084         int i, rc, offset = 1;
6085
6086         rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6087                          bp->dev->name, bp->dev);
6088         if (rc) {
6089                 BNX2X_ERR("request sp irq failed\n");
6090                 return -EBUSY;
6091         }
6092
6093         for_each_queue(bp, i) {
6094                 rc = request_irq(bp->msix_table[i + offset].vector,
6095                                  bnx2x_msix_fp_int, 0,
6096                                  bp->dev->name, &bp->fp[i]);
6097                 if (rc) {
6098                         BNX2X_ERR("request fp #%d irq failed  rc -%d\n",
6099                                   i + offset, -rc);
6100                         bnx2x_free_msix_irqs(bp);
6101                         return -EBUSY;
6102                 }
6103
6104                 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
6105         }
6106
6107         return 0;
6108 }
6109
6110 static int bnx2x_req_irq(struct bnx2x *bp)
6111 {
6112         int rc;
6113
6114         rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6115                          bp->dev->name, bp->dev);
6116         if (!rc)
6117                 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6118
6119         return rc;
6120 }
6121
6122 static void bnx2x_napi_enable(struct bnx2x *bp)
6123 {
6124         int i;
6125
6126         for_each_queue(bp, i)
6127                 napi_enable(&bnx2x_fp(bp, i, napi));
6128 }
6129
6130 static void bnx2x_napi_disable(struct bnx2x *bp)
6131 {
6132         int i;
6133
6134         for_each_queue(bp, i)
6135                 napi_disable(&bnx2x_fp(bp, i, napi));
6136 }
6137
6138 static void bnx2x_netif_start(struct bnx2x *bp)
6139 {
6140         if (atomic_dec_and_test(&bp->intr_sem)) {
6141                 if (netif_running(bp->dev)) {
6142                         if (bp->state == BNX2X_STATE_OPEN)
6143                                 netif_wake_queue(bp->dev);
6144                         bnx2x_napi_enable(bp);
6145                         bnx2x_int_enable(bp);
6146                 }
6147         }
6148 }
6149
6150 static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
6151 {
6152         bnx2x_int_disable_sync(bp, disable_hw);
6153         bnx2x_napi_disable(bp);
6154         if (netif_running(bp->dev)) {
6155                 netif_tx_disable(bp->dev);
6156                 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6157         }
6158 }
6159
6160 /*
6161  * Init service functions
6162  */
6163
6164 static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
6165 {
6166         struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
6167         int port = BP_PORT(bp);
6168
6169         /* CAM allocation
6170          * unicasts 0-31:port0 32-63:port1
6171          * multicast 64-127:port0 128-191:port1
6172          */
6173         config->hdr.length_6b = 2;
6174         config->hdr.offset = port ? 32 : 0;
6175         config->hdr.client_id = BP_CL_ID(bp);
6176         config->hdr.reserved1 = 0;
6177
6178         /* primary MAC */
6179         config->config_table[0].cam_entry.msb_mac_addr =
6180                                         swab16(*(u16 *)&bp->dev->dev_addr[0]);
6181         config->config_table[0].cam_entry.middle_mac_addr =
6182                                         swab16(*(u16 *)&bp->dev->dev_addr[2]);
6183         config->config_table[0].cam_entry.lsb_mac_addr =
6184                                         swab16(*(u16 *)&bp->dev->dev_addr[4]);
6185         config->config_table[0].cam_entry.flags = cpu_to_le16(port);
6186         if (set)
6187                 config->config_table[0].target_table_entry.flags = 0;
6188         else
6189                 CAM_INVALIDATE(config->config_table[0]);
6190         config->config_table[0].target_table_entry.client_id = 0;
6191         config->config_table[0].target_table_entry.vlan_id = 0;
6192
6193         DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6194            (set ? "setting" : "clearing"),
6195            config->config_table[0].cam_entry.msb_mac_addr,
6196            config->config_table[0].cam_entry.middle_mac_addr,
6197            config->config_table[0].cam_entry.lsb_mac_addr);
6198
6199         /* broadcast */
6200         config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6201         config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6202         config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
6203         config->config_table[1].cam_entry.flags = cpu_to_le16(port);
6204         if (set)
6205                 config->config_table[1].target_table_entry.flags =
6206                                 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6207         else
6208                 CAM_INVALIDATE(config->config_table[1]);
6209         config->config_table[1].target_table_entry.client_id = 0;
6210         config->config_table[1].target_table_entry.vlan_id = 0;
6211
6212         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6213                       U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6214                       U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6215 }
6216
6217 static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
6218 {
6219         struct mac_configuration_cmd_e1h *config =
6220                 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6221
6222         if (set && (bp->state != BNX2X_STATE_OPEN)) {
6223                 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6224                 return;
6225         }
6226
6227         /* CAM allocation for E1H
6228          * unicasts: by func number
6229          * multicast: 20+FUNC*20, 20 each
6230          */
6231         config->hdr.length_6b = 1;
6232         config->hdr.offset = BP_FUNC(bp);
6233         config->hdr.client_id = BP_CL_ID(bp);
6234         config->hdr.reserved1 = 0;
6235
6236         /* primary MAC */
6237         config->config_table[0].msb_mac_addr =
6238                                         swab16(*(u16 *)&bp->dev->dev_addr[0]);
6239         config->config_table[0].middle_mac_addr =
6240                                         swab16(*(u16 *)&bp->dev->dev_addr[2]);
6241         config->config_table[0].lsb_mac_addr =
6242                                         swab16(*(u16 *)&bp->dev->dev_addr[4]);
6243         config->config_table[0].client_id = BP_L_ID(bp);
6244         config->config_table[0].vlan_id = 0;
6245         config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
6246         if (set)
6247                 config->config_table[0].flags = BP_PORT(bp);
6248         else
6249                 config->config_table[0].flags =
6250                                 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
6251
6252         DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)  E1HOV %d  CLID %d\n",
6253            (set ? "setting" : "clearing"),
6254            config->config_table[0].msb_mac_addr,
6255            config->config_table[0].middle_mac_addr,
6256            config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6257
6258         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6259                       U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6260                       U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6261 }
6262
6263 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6264                              int *state_p, int poll)
6265 {
6266         /* can take a while if any port is running */
6267         int cnt = 500;
6268
6269         DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6270            poll ? "polling" : "waiting", state, idx);
6271
6272         might_sleep();
6273         while (cnt--) {
6274                 if (poll) {
6275                         bnx2x_rx_int(bp->fp, 10);
6276                         /* if index is different from 0
6277                          * the reply for some commands will
6278                          * be on the non default queue
6279                          */
6280                         if (idx)
6281                                 bnx2x_rx_int(&bp->fp[idx], 10);
6282                 }
6283
6284                 mb(); /* state is changed by bnx2x_sp_event() */
6285                 if (*state_p == state)
6286                         return 0;
6287
6288                 msleep(1);
6289         }
6290
6291         /* timeout! */
6292         BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6293                   poll ? "polling" : "waiting", state, idx);
6294 #ifdef BNX2X_STOP_ON_ERROR
6295         bnx2x_panic();
6296 #endif
6297
6298         return -EBUSY;
6299 }
6300
6301 static int bnx2x_setup_leading(struct bnx2x *bp)
6302 {
6303         int rc;
6304
6305         /* reset IGU state */
6306         bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6307
6308         /* SETUP ramrod */
6309         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6310
6311         /* Wait for completion */
6312         rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
6313
6314         return rc;
6315 }
6316
6317 static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6318 {
6319         /* reset IGU state */
6320         bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6321
6322         /* SETUP ramrod */
6323         bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6324         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6325
6326         /* Wait for completion */
6327         return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
6328                                  &(bp->fp[index].state), 0);
6329 }
6330
6331 static int bnx2x_poll(struct napi_struct *napi, int budget);
6332 static void bnx2x_set_rx_mode(struct net_device *dev);
6333
6334 /* must be called with rtnl_lock */
6335 static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
6336 {
6337         u32 load_code;
6338         int i, rc = 0;
6339 #ifdef BNX2X_STOP_ON_ERROR
6340         if (unlikely(bp->panic))
6341                 return -EPERM;
6342 #endif
6343
6344         bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6345
6346         if (use_inta) {
6347                 bp->num_queues = 1;
6348
6349         } else {
6350                 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6351                         /* user requested number */
6352                         bp->num_queues = use_multi;
6353
6354                 else if (use_multi)
6355                         bp->num_queues = min_t(u32, num_online_cpus(),
6356                                                BP_MAX_QUEUES(bp));
6357                 else
6358                         bp->num_queues = 1;
6359
6360                 DP(NETIF_MSG_IFUP,
6361                    "set number of queues to %d\n", bp->num_queues);
6362
6363                 /* if we can't use MSI-X we only need one fp,
6364                  * so try to enable MSI-X with the requested number of fp's
6365                  * and fallback to MSI or legacy INTx with one fp
6366                  */
6367                 rc = bnx2x_enable_msix(bp);
6368                 if (rc) {
6369                         /* failed to enable MSI-X */
6370                         bp->num_queues = 1;
6371                         if (use_multi)
6372                                 BNX2X_ERR("Multi requested but failed"
6373                                           " to enable MSI-X\n");
6374                 }
6375         }
6376
6377         if (bnx2x_alloc_mem(bp))
6378                 return -ENOMEM;
6379
6380         for_each_queue(bp, i)
6381                 bnx2x_fp(bp, i, disable_tpa) =
6382                                         ((bp->flags & TPA_ENABLE_FLAG) == 0);
6383
6384         for_each_queue(bp, i)
6385                 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6386                                bnx2x_poll, 128);
6387
6388 #ifdef BNX2X_STOP_ON_ERROR
6389         for_each_queue(bp, i) {
6390                 struct bnx2x_fastpath *fp = &bp->fp[i];
6391
6392                 fp->poll_no_work = 0;
6393                 fp->poll_calls = 0;
6394                 fp->poll_max_calls = 0;
6395                 fp->poll_complete = 0;
6396                 fp->poll_exit = 0;
6397         }
6398 #endif
6399         bnx2x_napi_enable(bp);
6400
6401         if (bp->flags & USING_MSIX_FLAG) {
6402                 rc = bnx2x_req_msix_irqs(bp);
6403                 if (rc) {
6404                         pci_disable_msix(bp->pdev);
6405                         goto load_error1;
6406                 }
6407                 printk(KERN_INFO PFX "%s: using MSI-X\n", bp->dev->name);
6408         } else {
6409                 bnx2x_ack_int(bp);
6410                 rc = bnx2x_req_irq(bp);
6411                 if (rc) {
6412                         BNX2X_ERR("IRQ request failed  rc %d, aborting\n", rc);
6413                         goto load_error1;
6414                 }
6415         }
6416
6417         /* Send LOAD_REQUEST command to MCP
6418            Returns the type of LOAD command:
6419            if it is the first port to be initialized
6420            common blocks should be initialized, otherwise - not
6421         */
6422         if (!BP_NOMCP(bp)) {
6423                 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6424                 if (!load_code) {
6425                         BNX2X_ERR("MCP response failure, aborting\n");
6426                         rc = -EBUSY;
6427                         goto load_error2;
6428                 }
6429                 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) {
6430                         rc = -EBUSY; /* other port in diagnostic mode */
6431                         goto load_error2;
6432                 }
6433
6434         } else {
6435                 int port = BP_PORT(bp);
6436
6437                 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6438                    load_count[0], load_count[1], load_count[2]);
6439                 load_count[0]++;
6440                 load_count[1 + port]++;
6441                 DP(NETIF_MSG_IFUP, "NO MCP new load counts       %d, %d, %d\n",
6442                    load_count[0], load_count[1], load_count[2]);
6443                 if (load_count[0] == 1)
6444                         load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
6445                 else if (load_count[1 + port] == 1)
6446                         load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6447                 else
6448                         load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
6449         }
6450
6451         if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6452             (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6453                 bp->port.pmf = 1;
6454         else
6455                 bp->port.pmf = 0;
6456         DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6457
6458         /* Initialize HW */
6459         rc = bnx2x_init_hw(bp, load_code);
6460         if (rc) {
6461                 BNX2X_ERR("HW init failed, aborting\n");
6462                 goto load_error2;
6463         }
6464
6465         /* Setup NIC internals and enable interrupts */
6466         bnx2x_nic_init(bp, load_code);
6467
6468         /* Send LOAD_DONE command to MCP */
6469         if (!BP_NOMCP(bp)) {
6470                 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6471                 if (!load_code) {
6472                         BNX2X_ERR("MCP response failure, aborting\n");
6473                         rc = -EBUSY;
6474                         goto load_error3;
6475                 }
6476         }
6477
6478         bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6479
6480         rc = bnx2x_setup_leading(bp);
6481         if (rc) {
6482                 BNX2X_ERR("Setup leading failed!\n");
6483                 goto load_error3;
6484         }
6485
6486         if (CHIP_IS_E1H(bp))
6487                 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6488                         BNX2X_ERR("!!!  mf_cfg function disabled\n");
6489                         bp->state = BNX2X_STATE_DISABLED;
6490                 }
6491
6492         if (bp->state == BNX2X_STATE_OPEN)
6493                 for_each_nondefault_queue(bp, i) {
6494                         rc = bnx2x_setup_multi(bp, i);
6495                         if (rc)
6496                                 goto load_error3;
6497                 }
6498
6499         if (CHIP_IS_E1(bp))
6500                 bnx2x_set_mac_addr_e1(bp, 1);
6501         else
6502                 bnx2x_set_mac_addr_e1h(bp, 1);
6503
6504         if (bp->port.pmf)
6505                 bnx2x_initial_phy_init(bp);
6506
6507         /* Start fast path */
6508         switch (load_mode) {
6509         case LOAD_NORMAL:
6510                 /* Tx queue should be only reenabled */
6511                 netif_wake_queue(bp->dev);
6512                 /* Initialize the receive filter. */
6513                 bnx2x_set_rx_mode(bp->dev);
6514                 break;
6515
6516         case LOAD_OPEN:
6517                 netif_start_queue(bp->dev);
6518                 /* Initialize the receive filter. */
6519                 bnx2x_set_rx_mode(bp->dev);
6520                 break;
6521
6522         case LOAD_DIAG:
6523                 /* Initialize the receive filter. */
6524                 bnx2x_set_rx_mode(bp->dev);
6525                 bp->state = BNX2X_STATE_DIAG;
6526                 break;
6527
6528         default:
6529                 break;
6530         }
6531
6532         if (!bp->port.pmf)
6533                 bnx2x__link_status_update(bp);
6534
6535         /* start the timer */
6536         mod_timer(&bp->timer, jiffies + bp->current_interval);
6537
6538
6539         return 0;
6540
6541 load_error3:
6542         bnx2x_int_disable_sync(bp, 1);
6543         if (!BP_NOMCP(bp)) {
6544                 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP);
6545                 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6546         }
6547         bp->port.pmf = 0;
6548         /* Free SKBs, SGEs, TPA pool and driver internals */
6549         bnx2x_free_skbs(bp);
6550         for_each_queue(bp, i)
6551                 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6552 load_error2:
6553         /* Release IRQs */
6554         bnx2x_free_irq(bp);
6555 load_error1:
6556         bnx2x_napi_disable(bp);
6557         for_each_queue(bp, i)
6558                 netif_napi_del(&bnx2x_fp(bp, i, napi));
6559         bnx2x_free_mem(bp);
6560
6561         /* TBD we really need to reset the chip
6562            if we want to recover from this */
6563         return rc;
6564 }
6565
6566 static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6567 {
6568         int rc;
6569
6570         /* halt the connection */
6571         bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6572         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
6573
6574         /* Wait for completion */
6575         rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
6576                                &(bp->fp[index].state), 1);
6577         if (rc) /* timeout */
6578                 return rc;
6579
6580         /* delete cfc entry */
6581         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6582
6583         /* Wait for completion */
6584         rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6585                                &(bp->fp[index].state), 1);
6586         return rc;
6587 }
6588
6589 static int bnx2x_stop_leading(struct bnx2x *bp)
6590 {
6591         u16 dsb_sp_prod_idx;
6592         /* if the other port is handling traffic,
6593            this can take a lot of time */
6594         int cnt = 500;
6595         int rc;
6596
6597         might_sleep();
6598
6599         /* Send HALT ramrod */
6600         bp->fp[0].state = BNX2X_FP_STATE_HALTING;
6601         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
6602
6603         /* Wait for completion */
6604         rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6605                                &(bp->fp[0].state), 1);
6606         if (rc) /* timeout */
6607                 return rc;
6608
6609         dsb_sp_prod_idx = *bp->dsb_sp_prod;
6610
6611         /* Send PORT_DELETE ramrod */
6612         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6613
6614         /* Wait for completion to arrive on default status block
6615            we are going to reset the chip anyway
6616            so there is not much to do if this times out
6617          */
6618         while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
6619                 if (!cnt) {
6620                         DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6621                            "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6622                            *bp->dsb_sp_prod, dsb_sp_prod_idx);
6623 #ifdef BNX2X_STOP_ON_ERROR
6624                         bnx2x_panic();
6625 #else
6626                         rc = -EBUSY;
6627 #endif
6628                         break;
6629                 }
6630                 cnt--;
6631                 msleep(1);
6632                 rmb(); /* Refresh the dsb_sp_prod */
6633         }
6634         bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6635         bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
6636
6637         return rc;
6638 }
6639
6640 static void bnx2x_reset_func(struct bnx2x *bp)
6641 {
6642         int port = BP_PORT(bp);
6643         int func = BP_FUNC(bp);
6644         int base, i;
6645
6646         /* Configure IGU */
6647         REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6648         REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6649
6650         REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6651
6652         /* Clear ILT */
6653         base = FUNC_ILT_BASE(func);
6654         for (i = base; i < base + ILT_PER_FUNC; i++)
6655                 bnx2x_ilt_wr(bp, i, 0);
6656 }
6657
6658 static void bnx2x_reset_port(struct bnx2x *bp)
6659 {
6660         int port = BP_PORT(bp);
6661         u32 val;
6662
6663         REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6664
6665         /* Do not rcv packets to BRB */
6666         REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6667         /* Do not direct rcv packets that are not for MCP to the BRB */
6668         REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6669                            NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6670
6671         /* Configure AEU */
6672         REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6673
6674         msleep(100);
6675         /* Check for BRB port occupancy */
6676         val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6677         if (val)
6678                 DP(NETIF_MSG_IFDOWN,
6679                    "BRB1 is not empty  %d blocks are occupied\n", val);
6680
6681         /* TODO: Close Doorbell port? */
6682 }
6683
6684 static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6685 {
6686         DP(BNX2X_MSG_MCP, "function %d  reset_code %x\n",
6687            BP_FUNC(bp), reset_code);
6688
6689         switch (reset_code) {
6690         case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6691                 bnx2x_reset_port(bp);
6692                 bnx2x_reset_func(bp);
6693                 bnx2x_reset_common(bp);
6694                 break;
6695
6696         case FW_MSG_CODE_DRV_UNLOAD_PORT:
6697                 bnx2x_reset_port(bp);
6698                 bnx2x_reset_func(bp);
6699                 break;
6700
6701         case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6702                 bnx2x_reset_func(bp);
6703                 break;
6704
6705         default:
6706                 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6707                 break;
6708         }
6709 }
6710
6711 /* must be called with rtnl_lock */
6712 static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
6713 {
6714         int port = BP_PORT(bp);
6715         u32 reset_code = 0;
6716         int i, cnt, rc;
6717
6718         bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6719
6720         bp->rx_mode = BNX2X_RX_MODE_NONE;
6721         bnx2x_set_storm_rx_mode(bp);
6722
6723         bnx2x_netif_stop(bp, 1);
6724
6725         del_timer_sync(&bp->timer);
6726         SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6727                  (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
6728         bnx2x_stats_handle(bp, STATS_EVENT_STOP);
6729
6730         /* Release IRQs */
6731         bnx2x_free_irq(bp);
6732
6733         /* Wait until tx fast path tasks complete */
6734         for_each_queue(bp, i) {
6735                 struct bnx2x_fastpath *fp = &bp->fp[i];
6736
6737                 cnt = 1000;
6738                 smp_rmb();
6739                 while (bnx2x_has_tx_work_unload(fp)) {
6740
6741                         bnx2x_tx_int(fp, 1000);
6742                         if (!cnt) {
6743                                 BNX2X_ERR("timeout waiting for queue[%d]\n",
6744                                           i);
6745 #ifdef BNX2X_STOP_ON_ERROR
6746                                 bnx2x_panic();
6747                                 return -EBUSY;
6748 #else
6749                                 break;
6750 #endif
6751                         }
6752                         cnt--;
6753                         msleep(1);
6754                         smp_rmb();
6755                 }
6756         }
6757         /* Give HW time to discard old tx messages */
6758         msleep(1);
6759
6760         if (CHIP_IS_E1(bp)) {
6761                 struct mac_configuration_cmd *config =
6762                                                 bnx2x_sp(bp, mcast_config);
6763
6764                 bnx2x_set_mac_addr_e1(bp, 0);
6765
6766                 for (i = 0; i < config->hdr.length_6b; i++)
6767                         CAM_INVALIDATE(config->config_table[i]);
6768
6769                 config->hdr.length_6b = i;
6770                 if (CHIP_REV_IS_SLOW(bp))
6771                         config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6772                 else
6773                         config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6774                 config->hdr.client_id = BP_CL_ID(bp);
6775                 config->hdr.reserved1 = 0;
6776
6777                 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6778                               U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6779                               U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6780
6781         } else { /* E1H */
6782                 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6783
6784                 bnx2x_set_mac_addr_e1h(bp, 0);
6785
6786                 for (i = 0; i < MC_HASH_SIZE; i++)
6787                         REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6788         }
6789
6790         if (unload_mode == UNLOAD_NORMAL)
6791                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6792
6793         else if (bp->flags & NO_WOL_FLAG) {
6794                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6795                 if (CHIP_IS_E1H(bp))
6796                         REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6797
6798         } else if (bp->wol) {
6799                 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6800                 u8 *mac_addr = bp->dev->dev_addr;
6801                 u32 val;
6802                 /* The mac address is written to entries 1-4 to
6803                    preserve entry 0 which is used by the PMF */
6804                 u8 entry = (BP_E1HVN(bp) + 1)*8;
6805
6806                 val = (mac_addr[0] << 8) | mac_addr[1];
6807                 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
6808
6809                 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6810                       (mac_addr[4] << 8) | mac_addr[5];
6811                 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
6812
6813                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6814
6815         } else
6816                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6817
6818         /* Close multi and leading connections
6819            Completions for ramrods are collected in a synchronous way */
6820         for_each_nondefault_queue(bp, i)
6821                 if (bnx2x_stop_multi(bp, i))
6822                         goto unload_error;
6823
6824         rc = bnx2x_stop_leading(bp);
6825         if (rc) {
6826                 BNX2X_ERR("Stop leading failed!\n");
6827 #ifdef BNX2X_STOP_ON_ERROR
6828                 return -EBUSY;
6829 #else
6830                 goto unload_error;
6831 #endif
6832         }
6833
6834 unload_error:
6835         if (!BP_NOMCP(bp))
6836                 reset_code = bnx2x_fw_command(bp, reset_code);
6837         else {
6838                 DP(NETIF_MSG_IFDOWN, "NO MCP load counts      %d, %d, %d\n",
6839                    load_count[0], load_count[1], load_count[2]);
6840                 load_count[0]--;
6841                 load_count[1 + port]--;
6842                 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts  %d, %d, %d\n",
6843                    load_count[0], load_count[1], load_count[2]);
6844                 if (load_count[0] == 0)
6845                         reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
6846                 else if (load_count[1 + port] == 0)
6847                         reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6848                 else
6849                         reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6850         }
6851
6852         if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6853             (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6854                 bnx2x__link_reset(bp);
6855
6856         /* Reset the chip */
6857         bnx2x_reset_chip(bp, reset_code);
6858
6859         /* Report UNLOAD_DONE to MCP */
6860         if (!BP_NOMCP(bp))
6861                 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6862         bp->port.pmf = 0;
6863
6864         /* Free SKBs, SGEs, TPA pool and driver internals */
6865         bnx2x_free_skbs(bp);
6866         for_each_queue(bp, i)
6867                 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6868         for_each_queue(bp, i)
6869                 netif_napi_del(&bnx2x_fp(bp, i, napi));
6870         bnx2x_free_mem(bp);
6871
6872         bp->state = BNX2X_STATE_CLOSED;
6873
6874         netif_carrier_off(bp->dev);
6875
6876         return 0;
6877 }
6878
6879 static void bnx2x_reset_task(struct work_struct *work)
6880 {
6881         struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6882
6883 #ifdef BNX2X_STOP_ON_ERROR
6884         BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6885                   " so reset not done to allow debug dump,\n"
6886          KERN_ERR " you will need to reboot when done\n");
6887         return;
6888 #endif
6889
6890         rtnl_lock();
6891
6892         if (!netif_running(bp->dev))
6893                 goto reset_task_exit;
6894
6895         bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6896         bnx2x_nic_load(bp, LOAD_NORMAL);
6897
6898 reset_task_exit:
6899         rtnl_unlock();
6900 }
6901
6902 /* end of nic load/unload */
6903
6904 /* ethtool_ops */
6905
6906 /*
6907  * Init service functions
6908  */
6909
6910 static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
6911 {
6912         u32 val;
6913
6914         /* Check if there is any driver already loaded */
6915         val = REG_RD(bp, MISC_REG_UNPREPARED);
6916         if (val == 0x1) {
6917                 /* Check if it is the UNDI driver
6918                  * UNDI driver initializes CID offset for normal bell to 0x7
6919                  */
6920                 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6921                 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6922                 if (val == 0x7) {
6923                         u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6924                         /* save our func */
6925                         int func = BP_FUNC(bp);
6926                         u32 swap_en;
6927                         u32 swap_val;
6928
6929                         /* clear the UNDI indication */
6930                         REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
6931
6932                         BNX2X_DEV_INFO("UNDI is active! reset device\n");
6933
6934                         /* try unload UNDI on port 0 */
6935                         bp->func = 0;
6936                         bp->fw_seq =
6937                                (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6938                                 DRV_MSG_SEQ_NUMBER_MASK);
6939                         reset_code = bnx2x_fw_command(bp, reset_code);
6940
6941                         /* if UNDI is loaded on the other port */
6942                         if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6943
6944                                 /* send "DONE" for previous unload */
6945                                 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6946
6947                                 /* unload UNDI on port 1 */
6948                                 bp->func = 1;
6949                                 bp->fw_seq =
6950                                (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6951                                         DRV_MSG_SEQ_NUMBER_MASK);
6952                                 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6953
6954                                 bnx2x_fw_command(bp, reset_code);
6955                         }
6956
6957                         /* now it's safe to release the lock */
6958                         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6959
6960                         REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6961                                     HC_REG_CONFIG_0), 0x1000);
6962
6963                         /* close input traffic and wait for it */
6964                         /* Do not rcv packets to BRB */
6965                         REG_WR(bp,
6966                               (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6967                                              NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6968                         /* Do not direct rcv packets that are not for MCP to
6969                          * the BRB */
6970                         REG_WR(bp,
6971                                (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6972                                               NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6973                         /* clear AEU */
6974                         REG_WR(bp,
6975                              (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6976                                             MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6977                         msleep(10);
6978
6979                         /* save NIG port swap info */
6980                         swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6981                         swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6982                         /* reset device */
6983                         REG_WR(bp,
6984                                GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6985                                0xd3ffffff);
6986                         REG_WR(bp,
6987                                GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6988                                0x1403);
6989                         /* take the NIG out of reset and restore swap values */
6990                         REG_WR(bp,
6991                                GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6992                                MISC_REGISTERS_RESET_REG_1_RST_NIG);
6993                         REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6994                         REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6995
6996                         /* send unload done to the MCP */
6997                         bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6998
6999                         /* restore our func and fw_seq */
7000                         bp->func = func;
7001                         bp->fw_seq =
7002                                (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
7003                                 DRV_MSG_SEQ_NUMBER_MASK);
7004
7005                 } else
7006                         bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7007         }
7008 }
7009
7010 static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7011 {
7012         u32 val, val2, val3, val4, id;
7013         u16 pmc;
7014
7015         /* Get the chip revision id and number. */
7016         /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7017         val = REG_RD(bp, MISC_REG_CHIP_NUM);
7018         id = ((val & 0xffff) << 16);
7019         val = REG_RD(bp, MISC_REG_CHIP_REV);
7020         id |= ((val & 0xf) << 12);
7021         val = REG_RD(bp, MISC_REG_CHIP_METAL);
7022         id |= ((val & 0xff) << 4);
7023         val = REG_RD(bp, MISC_REG_BOND_ID);
7024         id |= (val & 0xf);
7025         bp->common.chip_id = id;
7026         bp->link_params.chip_id = bp->common.chip_id;
7027         BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
7028
7029         val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7030         bp->common.flash_size = (NVRAM_1MB_SIZE <<
7031                                  (val & MCPR_NVM_CFG4_FLASH_SIZE));
7032         BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7033                        bp->common.flash_size, bp->common.flash_size);
7034
7035         bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7036         bp->link_params.shmem_base = bp->common.shmem_base;
7037         BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
7038
7039         if (!bp->common.shmem_base ||
7040             (bp->common.shmem_base < 0xA0000) ||
7041             (bp->common.shmem_base >= 0xC0000)) {
7042                 BNX2X_DEV_INFO("MCP not active\n");
7043                 bp->flags |= NO_MCP_FLAG;
7044                 return;
7045         }
7046
7047         val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7048         if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7049                 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7050                 BNX2X_ERR("BAD MCP validity signature\n");
7051
7052         bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
7053         bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
7054
7055         BNX2X_DEV_INFO("hw_config 0x%08x  board 0x%08x\n",
7056                        bp->common.hw_config, bp->common.board);
7057
7058         bp->link_params.hw_led_mode = ((bp->common.hw_config &
7059                                         SHARED_HW_CFG_LED_MODE_MASK) >>
7060                                        SHARED_HW_CFG_LED_MODE_SHIFT);
7061
7062         val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7063         bp->common.bc_ver = val;
7064         BNX2X_DEV_INFO("bc_ver %X\n", val);
7065         if (val < BNX2X_BC_VER) {
7066                 /* for now only warn
7067                  * later we might need to enforce this */
7068                 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
7069                           " please upgrade BC\n", BNX2X_BC_VER, val);
7070         }
7071
7072         if (BP_E1HVN(bp) == 0) {
7073                 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7074                 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7075         } else {
7076                 /* no WOL capability for E1HVN != 0 */
7077                 bp->flags |= NO_WOL_FLAG;
7078         }
7079         BNX2X_DEV_INFO("%sWoL capable\n",
7080                        (bp->flags & NO_WOL_FLAG) ? "Not " : "");
7081
7082         val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7083         val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7084         val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7085         val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7086
7087         printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
7088                val, val2, val3, val4);
7089 }
7090
7091 static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7092                                                     u32 switch_cfg)
7093 {
7094         int port = BP_PORT(bp);
7095         u32 ext_phy_type;
7096
7097         switch (switch_cfg) {
7098         case SWITCH_CFG_1G:
7099                 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
7100
7101                 ext_phy_type =
7102                         SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7103                 switch (ext_phy_type) {
7104                 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7105                         BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7106                                        ext_phy_type);
7107
7108                         bp->port.supported |= (SUPPORTED_10baseT_Half |
7109                                                SUPPORTED_10baseT_Full |
7110                                                SUPPORTED_100baseT_Half |
7111                                                SUPPORTED_100baseT_Full |
7112                                                SUPPORTED_1000baseT_Full |
7113                                                SUPPORTED_2500baseX_Full |
7114                                                SUPPORTED_TP |
7115                                                SUPPORTED_FIBRE |
7116                                                SUPPORTED_Autoneg |
7117                                                SUPPORTED_Pause |
7118                                                SUPPORTED_Asym_Pause);
7119                         break;
7120
7121                 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7122                         BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7123                                        ext_phy_type);
7124
7125                         bp->port.supported |= (SUPPORTED_10baseT_Half |
7126                                                SUPPORTED_10baseT_Full |
7127                                                SUPPORTED_100baseT_Half |
7128                                                SUPPORTED_100baseT_Full |
7129                                                SUPPORTED_1000baseT_Full |
7130                                                SUPPORTED_TP |
7131                                                SUPPORTED_FIBRE |
7132                                                SUPPORTED_Autoneg |
7133                                                SUPPORTED_Pause |
7134                                                SUPPORTED_Asym_Pause);
7135                         break;
7136
7137                 default:
7138                         BNX2X_ERR("NVRAM config error. "
7139                                   "BAD SerDes ext_phy_config 0x%x\n",
7140                                   bp->link_params.ext_phy_config);
7141                         return;
7142                 }
7143
7144                 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7145                                            port*0x10);
7146                 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7147                 break;
7148
7149         case SWITCH_CFG_10G:
7150                 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7151
7152                 ext_phy_type =
7153                         XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7154                 switch (ext_phy_type) {
7155                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7156                         BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7157                                        ext_phy_type);
7158
7159                         bp->port.supported |= (SUPPORTED_10baseT_Half |
7160                                                SUPPORTED_10baseT_Full |
7161                                                SUPPORTED_100baseT_Half |
7162                                                SUPPORTED_100baseT_Full |
7163                                                SUPPORTED_1000baseT_Full |
7164                                                SUPPORTED_2500baseX_Full |
7165                                                SUPPORTED_10000baseT_Full |
7166                                                SUPPORTED_TP |
7167                                                SUPPORTED_FIBRE |
7168                                                SUPPORTED_Autoneg |
7169                                                SUPPORTED_Pause |
7170                                                SUPPORTED_Asym_Pause);
7171                         break;
7172
7173                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7174                         BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
7175                                        ext_phy_type);
7176
7177                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7178                                                SUPPORTED_FIBRE |
7179                                                SUPPORTED_Pause |
7180                                                SUPPORTED_Asym_Pause);
7181                         break;
7182
7183                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7184                         BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7185                                        ext_phy_type);
7186
7187                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7188                                                SUPPORTED_1000baseT_Full |
7189                                                SUPPORTED_FIBRE |
7190                                                SUPPORTED_Pause |
7191                                                SUPPORTED_Asym_Pause);
7192                         break;
7193
7194                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7195                         BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7196                                        ext_phy_type);
7197
7198                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7199                                                SUPPORTED_1000baseT_Full |
7200                                                SUPPORTED_FIBRE |
7201                                                SUPPORTED_Autoneg |
7202                                                SUPPORTED_Pause |
7203                                                SUPPORTED_Asym_Pause);
7204                         break;
7205
7206                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7207                         BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7208                                        ext_phy_type);
7209
7210                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7211                                                SUPPORTED_2500baseX_Full |
7212                                                SUPPORTED_1000baseT_Full |
7213                                                SUPPORTED_FIBRE |
7214                                                SUPPORTED_Autoneg |
7215                                                SUPPORTED_Pause |
7216                                                SUPPORTED_Asym_Pause);
7217                         break;
7218
7219                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7220                         BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7221                                        ext_phy_type);
7222
7223                         bp->port.supported |= (SUPPORTED_10000baseT_Full |
7224                                                SUPPORTED_TP |
7225                                                SUPPORTED_Autoneg |
7226                                                SUPPORTED_Pause |
7227                                                SUPPORTED_Asym_Pause);
7228                         break;
7229
7230                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7231                         BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7232                                   bp->link_params.ext_phy_config);
7233                         break;
7234
7235                 default:
7236                         BNX2X_ERR("NVRAM config error. "
7237                                   "BAD XGXS ext_phy_config 0x%x\n",
7238                                   bp->link_params.ext_phy_config);
7239                         return;
7240                 }
7241
7242                 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7243                                            port*0x18);
7244                 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7245
7246                 break;
7247
7248         default:
7249                 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7250                           bp->port.link_config);
7251                 return;
7252         }
7253         bp->link_params.phy_addr = bp->port.phy_addr;
7254
7255         /* mask what we support according to speed_cap_mask */
7256         if (!(bp->link_params.speed_cap_mask &
7257                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7258                 bp->port.supported &= ~SUPPORTED_10baseT_Half;
7259
7260         if (!(bp->link_params.speed_cap_mask &
7261                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7262                 bp->port.supported &= ~SUPPORTED_10baseT_Full;
7263
7264         if (!(bp->link_params.speed_cap_mask &
7265                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7266                 bp->port.supported &= ~SUPPORTED_100baseT_Half;
7267
7268         if (!(bp->link_params.speed_cap_mask &
7269                                 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7270                 bp->port.supported &= ~SUPPORTED_100baseT_Full;
7271
7272         if (!(bp->link_params.speed_cap_mask &
7273                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7274                 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7275                                         SUPPORTED_1000baseT_Full);
7276
7277         if (!(bp->link_params.speed_cap_mask &
7278                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7279                 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
7280
7281         if (!(bp->link_params.speed_cap_mask &
7282                                         PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
7283                 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
7284
7285         BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
7286 }
7287
7288 static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
7289 {
7290         bp->link_params.req_duplex = DUPLEX_FULL;
7291
7292         switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
7293         case PORT_FEATURE_LINK_SPEED_AUTO:
7294                 if (bp->port.supported & SUPPORTED_Autoneg) {
7295                         bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7296                         bp->port.advertising = bp->port.supported;
7297                 } else {
7298                         u32 ext_phy_type =
7299                             XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7300
7301                         if ((ext_phy_type ==
7302                              PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7303                             (ext_phy_type ==
7304                              PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
7305                                 /* force 10G, no AN */
7306                                 bp->link_params.req_line_speed = SPEED_10000;
7307                                 bp->port.advertising =
7308                                                 (ADVERTISED_10000baseT_Full |
7309                                                  ADVERTISED_FIBRE);
7310                                 break;
7311                         }
7312                         BNX2X_ERR("NVRAM config error. "
7313                                   "Invalid link_config 0x%x"
7314                                   "  Autoneg not supported\n",
7315                                   bp->port.link_config);
7316                         return;
7317                 }
7318                 break;
7319
7320         case PORT_FEATURE_LINK_SPEED_10M_FULL:
7321                 if (bp->port.supported & SUPPORTED_10baseT_Full) {
7322                         bp->link_params.req_line_speed = SPEED_10;
7323                         bp->port.advertising = (ADVERTISED_10baseT_Full |
7324                                                 ADVERTISED_TP);
7325                 } else {
7326                         BNX2X_ERR("NVRAM config error. "
7327                                   "Invalid link_config 0x%x"
7328                                   "  speed_cap_mask 0x%x\n",
7329                                   bp->port.link_config,
7330                                   bp->link_params.speed_cap_mask);
7331                         return;
7332                 }
7333                 break;
7334
7335         case PORT_FEATURE_LINK_SPEED_10M_HALF:
7336                 if (bp->port.supported & SUPPORTED_10baseT_Half) {
7337                         bp->link_params.req_line_speed = SPEED_10;
7338                         bp->link_params.req_duplex = DUPLEX_HALF;
7339                         bp->port.advertising = (ADVERTISED_10baseT_Half |
7340                                                 ADVERTISED_TP);
7341                 } else {
7342                         BNX2X_ERR("NVRAM config error. "
7343                                   "Invalid link_config 0x%x"
7344                                   "  speed_cap_mask 0x%x\n",
7345                                   bp->port.link_config,
7346                                   bp->link_params.speed_cap_mask);
7347                         return;
7348                 }
7349                 break;
7350
7351         case PORT_FEATURE_LINK_SPEED_100M_FULL:
7352                 if (bp->port.supported & SUPPORTED_100baseT_Full) {
7353                         bp->link_params.req_line_speed = SPEED_100;
7354                         bp->port.advertising = (ADVERTISED_100baseT_Full |
7355                                                 ADVERTISED_TP);
7356                 } else {
7357                         BNX2X_ERR("NVRAM config error. "
7358                                   "Invalid link_config 0x%x"
7359                                   "  speed_cap_mask 0x%x\n",
7360                                   bp->port.link_config,
7361                                   bp->link_params.speed_cap_mask);
7362                         return;
7363                 }
7364                 break;
7365
7366         case PORT_FEATURE_LINK_SPEED_100M_HALF:
7367                 if (bp->port.supported & SUPPORTED_100baseT_Half) {
7368                         bp->link_params.req_line_speed = SPEED_100;
7369                         bp->link_params.req_duplex = DUPLEX_HALF;
7370                         bp->port.advertising = (ADVERTISED_100baseT_Half |
7371                                                 ADVERTISED_TP);
7372                 } else {
7373                         BNX2X_ERR("NVRAM config error. "
7374                                   "Invalid link_config 0x%x"
7375                                   "  speed_cap_mask 0x%x\n",
7376                                   bp->port.link_config,
7377                                   bp->link_params.speed_cap_mask);
7378                         return;
7379                 }
7380                 break;
7381
7382         case PORT_FEATURE_LINK_SPEED_1G:
7383                 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
7384                         bp->link_params.req_line_speed = SPEED_1000;
7385                         bp->port.advertising = (ADVERTISED_1000baseT_Full |
7386                                                 ADVERTISED_TP);
7387                 } else {
7388                         BNX2X_ERR("NVRAM config error. "
7389                                   "Invalid link_config 0x%x"
7390                                   "  speed_cap_mask 0x%x\n",
7391                                   bp->port.link_config,
7392                                   bp->link_params.speed_cap_mask);
7393                         return;
7394                 }
7395                 break;
7396
7397         case PORT_FEATURE_LINK_SPEED_2_5G:
7398                 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
7399                         bp->link_params.req_line_speed = SPEED_2500;
7400                         bp->port.advertising = (ADVERTISED_2500baseX_Full |
7401                                                 ADVERTISED_TP);
7402                 } else {
7403                         BNX2X_ERR("NVRAM config error. "
7404                                   "Invalid link_config 0x%x"
7405                                   "  speed_cap_mask 0x%x\n",
7406                                   bp->port.link_config,
7407                                   bp->link_params.speed_cap_mask);
7408                         return;
7409                 }
7410                 break;
7411
7412         case PORT_FEATURE_LINK_SPEED_10G_CX4:
7413         case PORT_FEATURE_LINK_SPEED_10G_KX4:
7414         case PORT_FEATURE_LINK_SPEED_10G_KR:
7415                 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
7416                         bp->link_params.req_line_speed = SPEED_10000;
7417                         bp->port.advertising = (ADVERTISED_10000baseT_Full |
7418                                                 ADVERTISED_FIBRE);
7419                 } else {
7420                         BNX2X_ERR("NVRAM config error. "
7421                                   "Invalid link_config 0x%x"
7422                                   "  speed_cap_mask 0x%x\n",
7423                                   bp->port.link_config,
7424                                   bp->link_params.speed_cap_mask);
7425                         return;
7426                 }
7427                 break;
7428
7429         default:
7430                 BNX2X_ERR("NVRAM config error. "
7431                           "BAD link speed link_config 0x%x\n",
7432                           bp->port.link_config);
7433                 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7434                 bp->port.advertising = bp->port.supported;
7435                 break;
7436         }
7437
7438         bp->link_params.req_flow_ctrl = (bp->port.link_config &
7439                                          PORT_FEATURE_FLOW_CONTROL_MASK);
7440         if ((bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
7441             !(bp->port.supported & SUPPORTED_Autoneg))
7442                 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
7443
7444         BNX2X_DEV_INFO("req_line_speed %d  req_duplex %d  req_flow_ctrl 0x%x"
7445                        "  advertising 0x%x\n",
7446                        bp->link_params.req_line_speed,
7447                        bp->link_params.req_duplex,
7448                        bp->link_params.req_flow_ctrl, bp->port.advertising);
7449 }
7450
7451 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
7452 {
7453         int port = BP_PORT(bp);
7454         u32 val, val2;
7455
7456         bp->link_params.bp = bp;
7457         bp->link_params.port = port;
7458
7459         bp->link_params.serdes_config =
7460                 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
7461         bp->link_params.lane_config =
7462                 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
7463         bp->link_params.ext_phy_config =
7464                 SHMEM_RD(bp,
7465                          dev_info.port_hw_config[port].external_phy_config);
7466         bp->link_params.speed_cap_mask =
7467                 SHMEM_RD(bp,
7468                          dev_info.port_hw_config[port].speed_capability_mask);
7469
7470         bp->port.link_config =
7471                 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7472
7473         BNX2X_DEV_INFO("serdes_config 0x%08x  lane_config 0x%08x\n"
7474              KERN_INFO "  ext_phy_config 0x%08x  speed_cap_mask 0x%08x"
7475                        "  link_config 0x%08x\n",
7476                        bp->link_params.serdes_config,
7477                        bp->link_params.lane_config,
7478                        bp->link_params.ext_phy_config,
7479                        bp->link_params.speed_cap_mask, bp->port.link_config);
7480
7481         bp->link_params.switch_cfg = (bp->port.link_config &
7482                                       PORT_FEATURE_CONNECTED_SWITCH_MASK);
7483         bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
7484
7485         bnx2x_link_settings_requested(bp);
7486
7487         val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7488         val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7489         bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7490         bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7491         bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7492         bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7493         bp->dev->dev_addr[4] = (u8)(val >> 8  & 0xff);
7494         bp->dev->dev_addr[5] = (u8)(val & 0xff);
7495         memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7496         memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7497 }
7498
7499 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7500 {
7501         int func = BP_FUNC(bp);
7502         u32 val, val2;
7503         int rc = 0;
7504
7505         bnx2x_get_common_hwinfo(bp);
7506
7507         bp->e1hov = 0;
7508         bp->e1hmf = 0;
7509         if (CHIP_IS_E1H(bp)) {
7510                 bp->mf_config =
7511                         SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
7512
7513                 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7514                        FUNC_MF_CFG_E1HOV_TAG_MASK);
7515                 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
7516
7517                         bp->e1hov = val;
7518                         bp->e1hmf = 1;
7519                         BNX2X_DEV_INFO("MF mode  E1HOV for func %d is %d "
7520                                        "(0x%04x)\n",
7521                                        func, bp->e1hov, bp->e1hov);
7522                 } else {
7523                         BNX2X_DEV_INFO("Single function mode\n");
7524                         if (BP_E1HVN(bp)) {
7525                                 BNX2X_ERR("!!!  No valid E1HOV for func %d,"
7526                                           "  aborting\n", func);
7527                                 rc = -EPERM;
7528                         }
7529                 }
7530         }
7531
7532         if (!BP_NOMCP(bp)) {
7533                 bnx2x_get_port_hwinfo(bp);
7534
7535                 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7536                               DRV_MSG_SEQ_NUMBER_MASK);
7537                 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7538         }
7539
7540         if (IS_E1HMF(bp)) {
7541                 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7542                 val = SHMEM_RD(bp,  mf_cfg.func_mf_config[func].mac_lower);
7543                 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7544                     (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7545                         bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7546                         bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7547                         bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7548                         bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7549                         bp->dev->dev_addr[4] = (u8)(val >> 8  & 0xff);
7550                         bp->dev->dev_addr[5] = (u8)(val & 0xff);
7551                         memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7552                                ETH_ALEN);
7553                         memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7554                                ETH_ALEN);
7555                 }
7556
7557                 return rc;
7558         }
7559
7560         if (BP_NOMCP(bp)) {
7561                 /* only supposed to happen on emulation/FPGA */
7562                 BNX2X_ERR("warning random MAC workaround active\n");
7563                 random_ether_addr(bp->dev->dev_addr);
7564                 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7565         }
7566
7567         return rc;
7568 }
7569
7570 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7571 {
7572         int func = BP_FUNC(bp);
7573         int rc;
7574
7575         /* Disable interrupt handling until HW is initialized */
7576         atomic_set(&bp->intr_sem, 1);
7577
7578         mutex_init(&bp->port.phy_mutex);
7579
7580         INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
7581         INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7582
7583         rc = bnx2x_get_hwinfo(bp);
7584
7585         /* need to reset chip if undi was active */
7586         if (!BP_NOMCP(bp))
7587                 bnx2x_undi_unload(bp);
7588
7589         if (CHIP_REV_IS_FPGA(bp))
7590                 printk(KERN_ERR PFX "FPGA detected\n");
7591
7592         if (BP_NOMCP(bp) && (func == 0))
7593                 printk(KERN_ERR PFX
7594                        "MCP disabled, must load devices in order!\n");
7595
7596         /* Set TPA flags */
7597         if (disable_tpa) {
7598                 bp->flags &= ~TPA_ENABLE_FLAG;
7599                 bp->dev->features &= ~NETIF_F_LRO;
7600         } else {
7601                 bp->flags |= TPA_ENABLE_FLAG;
7602                 bp->dev->features |= NETIF_F_LRO;
7603         }
7604
7605
7606         bp->tx_ring_size = MAX_TX_AVAIL;
7607         bp->rx_ring_size = MAX_RX_AVAIL;
7608
7609         bp->rx_csum = 1;
7610         bp->rx_offset = 0;
7611
7612         bp->tx_ticks = 50;
7613         bp->rx_ticks = 25;
7614
7615         bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7616         bp->current_interval = (poll ? poll : bp->timer_interval);
7617
7618         init_timer(&bp->timer);
7619         bp->timer.expires = jiffies + bp->current_interval;
7620         bp->timer.data = (unsigned long) bp;
7621         bp->timer.function = bnx2x_timer;
7622
7623         return rc;
7624 }
7625
7626 /*
7627  * ethtool service functions
7628  */
7629
7630 /* All ethtool functions called with rtnl_lock */
7631
7632 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7633 {
7634         struct bnx2x *bp = netdev_priv(dev);
7635
7636         cmd->supported = bp->port.supported;
7637         cmd->advertising = bp->port.advertising;
7638
7639         if (netif_carrier_ok(dev)) {
7640                 cmd->speed = bp->link_vars.line_speed;
7641                 cmd->duplex = bp->link_vars.duplex;
7642         } else {
7643                 cmd->speed = bp->link_params.req_line_speed;
7644                 cmd->duplex = bp->link_params.req_duplex;
7645         }
7646         if (IS_E1HMF(bp)) {
7647                 u16 vn_max_rate;
7648
7649                 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7650                                 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7651                 if (vn_max_rate < cmd->speed)
7652                         cmd->speed = vn_max_rate;
7653         }
7654
7655         if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7656                 u32 ext_phy_type =
7657                         XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7658
7659                 switch (ext_phy_type) {
7660                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7661                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7662                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7663                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7664                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7665                         cmd->port = PORT_FIBRE;
7666                         break;
7667
7668                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7669                         cmd->port = PORT_TP;
7670                         break;
7671
7672                 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7673                         BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7674                                   bp->link_params.ext_phy_config);
7675                         break;
7676
7677                 default:
7678                         DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
7679                            bp->link_params.ext_phy_config);
7680                         break;
7681                 }
7682         } else
7683                 cmd->port = PORT_TP;
7684
7685         cmd->phy_address = bp->port.phy_addr;
7686         cmd->transceiver = XCVR_INTERNAL;
7687
7688         if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
7689                 cmd->autoneg = AUTONEG_ENABLE;
7690         else
7691                 cmd->autoneg = AUTONEG_DISABLE;
7692
7693         cmd->maxtxpkt = 0;
7694         cmd->maxrxpkt = 0;
7695
7696         DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7697            DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %d\n"
7698            DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
7699            DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
7700            cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7701            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7702            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7703
7704         return 0;
7705 }
7706
7707 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7708 {
7709         struct bnx2x *bp = netdev_priv(dev);
7710         u32 advertising;
7711
7712         if (IS_E1HMF(bp))
7713                 return 0;
7714
7715         DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7716            DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %d\n"
7717            DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
7718            DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
7719            cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7720            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7721            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7722
7723         if (cmd->autoneg == AUTONEG_ENABLE) {
7724                 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7725                         DP(NETIF_MSG_LINK, "Autoneg not supported\n");
7726                         return -EINVAL;
7727                 }
7728
7729                 /* advertise the requested speed and duplex if supported */
7730                 cmd->advertising &= bp->port.supported;
7731
7732                 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7733                 bp->link_params.req_duplex = DUPLEX_FULL;
7734                 bp->port.advertising |= (ADVERTISED_Autoneg |
7735                                          cmd->advertising);
7736
7737         } else { /* forced speed */
7738                 /* advertise the requested speed and duplex if supported */
7739                 switch (cmd->speed) {
7740                 case SPEED_10:
7741                         if (cmd->duplex == DUPLEX_FULL) {
7742                                 if (!(bp->port.supported &
7743                                       SUPPORTED_10baseT_Full)) {
7744                                         DP(NETIF_MSG_LINK,
7745                                            "10M full not supported\n");
7746                                         return -EINVAL;
7747                                 }
7748
7749                                 advertising = (ADVERTISED_10baseT_Full |
7750                                                ADVERTISED_TP);
7751                         } else {
7752                                 if (!(bp->port.supported &
7753                                       SUPPORTED_10baseT_Half)) {
7754                                         DP(NETIF_MSG_LINK,
7755                                            "10M half not supported\n");
7756                                         return -EINVAL;
7757                                 }
7758
7759                                 advertising = (ADVERTISED_10baseT_Half |
7760                                                ADVERTISED_TP);
7761                         }
7762                         break;
7763
7764                 case SPEED_100:
7765                         if (cmd->duplex == DUPLEX_FULL) {
7766                                 if (!(bp->port.supported &
7767                                                 SUPPORTED_100baseT_Full)) {
7768                                         DP(NETIF_MSG_LINK,
7769                                            "100M full not supported\n");
7770                                         return -EINVAL;
7771                                 }
7772
7773                                 advertising = (ADVERTISED_100baseT_Full |
7774                                                ADVERTISED_TP);
7775                         } else {
7776                                 if (!(bp->port.supported &
7777                                                 SUPPORTED_100baseT_Half)) {
7778                                         DP(NETIF_MSG_LINK,
7779                                            "100M half not supported\n");
7780                                         return -EINVAL;
7781                                 }
7782
7783                                 advertising = (ADVERTISED_100baseT_Half |
7784                                                ADVERTISED_TP);
7785                         }
7786                         break;
7787
7788                 case SPEED_1000:
7789                         if (cmd->duplex != DUPLEX_FULL) {
7790                                 DP(NETIF_MSG_LINK, "1G half not supported\n");
7791                                 return -EINVAL;
7792                         }
7793
7794                         if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
7795                                 DP(NETIF_MSG_LINK, "1G full not supported\n");
7796                                 return -EINVAL;
7797                         }
7798
7799                         advertising = (ADVERTISED_1000baseT_Full |
7800                                        ADVERTISED_TP);
7801                         break;
7802
7803                 case SPEED_2500:
7804                         if (cmd->duplex != DUPLEX_FULL) {
7805                                 DP(NETIF_MSG_LINK,
7806                                    "2.5G half not supported\n");
7807                                 return -EINVAL;
7808                         }
7809
7810                         if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
7811                                 DP(NETIF_MSG_LINK,
7812                                    "2.5G full not supported\n");
7813                                 return -EINVAL;
7814                         }
7815
7816                         advertising = (ADVERTISED_2500baseX_Full |
7817                                        ADVERTISED_TP);
7818                         break;
7819
7820                 case SPEED_10000:
7821                         if (cmd->duplex != DUPLEX_FULL) {
7822                                 DP(NETIF_MSG_LINK, "10G half not supported\n");
7823                                 return -EINVAL;
7824                         }
7825
7826                         if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
7827                                 DP(NETIF_MSG_LINK, "10G full not supported\n");
7828                                 return -EINVAL;
7829                         }
7830
7831                         advertising = (ADVERTISED_10000baseT_Full |
7832                                        ADVERTISED_FIBRE);
7833                         break;
7834
7835                 default:
7836                         DP(NETIF_MSG_LINK, "Unsupported speed\n");
7837                         return -EINVAL;
7838                 }
7839
7840                 bp->link_params.req_line_speed = cmd->speed;
7841                 bp->link_params.req_duplex = cmd->duplex;
7842                 bp->port.advertising = advertising;
7843         }
7844
7845         DP(NETIF_MSG_LINK, "req_line_speed %d\n"
7846            DP_LEVEL "  req_duplex %d  advertising 0x%x\n",
7847            bp->link_params.req_line_speed, bp->link_params.req_duplex,
7848            bp->port.advertising);
7849
7850         if (netif_running(dev)) {
7851                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7852                 bnx2x_link_set(bp);
7853         }
7854
7855         return 0;
7856 }
7857
7858 #define PHY_FW_VER_LEN                  10
7859
7860 static void bnx2x_get_drvinfo(struct net_device *dev,
7861                               struct ethtool_drvinfo *info)
7862 {
7863         struct bnx2x *bp = netdev_priv(dev);
7864         u8 phy_fw_ver[PHY_FW_VER_LEN];
7865
7866         strcpy(info->driver, DRV_MODULE_NAME);
7867         strcpy(info->version, DRV_MODULE_VERSION);
7868
7869         phy_fw_ver[0] = '\0';
7870         if (bp->port.pmf) {
7871                 bnx2x_acquire_phy_lock(bp);
7872                 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7873                                              (bp->state != BNX2X_STATE_CLOSED),
7874                                              phy_fw_ver, PHY_FW_VER_LEN);
7875                 bnx2x_release_phy_lock(bp);
7876         }
7877
7878         snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7879                  (bp->common.bc_ver & 0xff0000) >> 16,
7880                  (bp->common.bc_ver & 0xff00) >> 8,
7881                  (bp->common.bc_ver & 0xff),
7882                  ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
7883         strcpy(info->bus_info, pci_name(bp->pdev));
7884         info->n_stats = BNX2X_NUM_STATS;
7885         info->testinfo_len = BNX2X_NUM_TESTS;
7886         info->eedump_len = bp->common.flash_size;
7887         info->regdump_len = 0;
7888 }
7889
7890 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7891 {
7892         struct bnx2x *bp = netdev_priv(dev);
7893
7894         if (bp->flags & NO_WOL_FLAG) {
7895                 wol->supported = 0;
7896                 wol->wolopts = 0;
7897         } else {
7898                 wol->supported = WAKE_MAGIC;
7899                 if (bp->wol)
7900                         wol->wolopts = WAKE_MAGIC;
7901                 else
7902                         wol->wolopts = 0;
7903         }
7904         memset(&wol->sopass, 0, sizeof(wol->sopass));
7905 }
7906
7907 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7908 {
7909         struct bnx2x *bp = netdev_priv(dev);
7910
7911         if (wol->wolopts & ~WAKE_MAGIC)
7912                 return -EINVAL;
7913
7914         if (wol->wolopts & WAKE_MAGIC) {
7915                 if (bp->flags & NO_WOL_FLAG)
7916                         return -EINVAL;
7917
7918                 bp->wol = 1;
7919         } else
7920                 bp->wol = 0;
7921
7922         return 0;
7923 }
7924
7925 static u32 bnx2x_get_msglevel(struct net_device *dev)
7926 {
7927         struct bnx2x *bp = netdev_priv(dev);
7928
7929         return bp->msglevel;
7930 }
7931
7932 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7933 {
7934         struct bnx2x *bp = netdev_priv(dev);
7935
7936         if (capable(CAP_NET_ADMIN))
7937                 bp->msglevel = level;
7938 }
7939
7940 static int bnx2x_nway_reset(struct net_device *dev)
7941 {
7942         struct bnx2x *bp = netdev_priv(dev);
7943
7944         if (!bp->port.pmf)
7945                 return 0;
7946
7947         if (netif_running(dev)) {
7948                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7949                 bnx2x_link_set(bp);
7950         }
7951
7952         return 0;
7953 }
7954
7955 static int bnx2x_get_eeprom_len(struct net_device *dev)
7956 {
7957         struct bnx2x *bp = netdev_priv(dev);
7958
7959         return bp->common.flash_size;
7960 }
7961
7962 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7963 {
7964         int port = BP_PORT(bp);
7965         int count, i;
7966         u32 val = 0;
7967
7968         /* adjust timeout for emulation/FPGA */
7969         count = NVRAM_TIMEOUT_COUNT;
7970         if (CHIP_REV_IS_SLOW(bp))
7971                 count *= 100;
7972
7973         /* request access to nvram interface */
7974         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7975                (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7976
7977         for (i = 0; i < count*10; i++) {
7978                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7979                 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7980                         break;
7981
7982                 udelay(5);
7983         }
7984
7985         if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
7986                 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
7987                 return -EBUSY;
7988         }
7989
7990         return 0;
7991 }
7992
7993 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7994 {
7995         int port = BP_PORT(bp);
7996         int count, i;
7997         u32 val = 0;
7998
7999         /* adjust timeout for emulation/FPGA */
8000         count = NVRAM_TIMEOUT_COUNT;
8001         if (CHIP_REV_IS_SLOW(bp))
8002                 count *= 100;
8003
8004         /* relinquish nvram interface */
8005         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
8006                (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
8007
8008         for (i = 0; i < count*10; i++) {
8009                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
8010                 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
8011                         break;
8012
8013                 udelay(5);
8014         }
8015
8016         if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
8017                 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
8018                 return -EBUSY;
8019         }
8020
8021         return 0;
8022 }
8023
8024 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
8025 {
8026         u32 val;
8027
8028         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
8029
8030         /* enable both bits, even on read */
8031         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
8032                (val | MCPR_NVM_ACCESS_ENABLE_EN |
8033                       MCPR_NVM_ACCESS_ENABLE_WR_EN));
8034 }
8035
8036 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
8037 {
8038         u32 val;
8039
8040         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
8041
8042         /* disable both bits, even after read */
8043         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
8044                (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
8045                         MCPR_NVM_ACCESS_ENABLE_WR_EN)));
8046 }
8047
8048 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
8049                                   u32 cmd_flags)
8050 {
8051         int count, i, rc;
8052         u32 val;
8053
8054         /* build the command word */
8055         cmd_flags |= MCPR_NVM_COMMAND_DOIT;
8056
8057         /* need to clear DONE bit separately */
8058         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8059
8060         /* address of the NVRAM to read from */
8061         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8062                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8063
8064         /* issue a read command */
8065         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8066
8067         /* adjust timeout for emulation/FPGA */
8068         count = NVRAM_TIMEOUT_COUNT;
8069         if (CHIP_REV_IS_SLOW(bp))
8070                 count *= 100;
8071
8072         /* wait for completion */
8073         *ret_val = 0;
8074         rc = -EBUSY;
8075         for (i = 0; i < count; i++) {
8076                 udelay(5);
8077                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8078
8079                 if (val & MCPR_NVM_COMMAND_DONE) {
8080                         val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
8081                         /* we read nvram data in cpu order
8082                          * but ethtool sees it as an array of bytes
8083                          * converting to big-endian will do the work */
8084                         val = cpu_to_be32(val);
8085                         *ret_val = val;
8086                         rc = 0;
8087                         break;
8088                 }
8089         }
8090
8091         return rc;
8092 }
8093
8094 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
8095                             int buf_size)
8096 {
8097         int rc;
8098         u32 cmd_flags;
8099         u32 val;
8100
8101         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8102                 DP(BNX2X_MSG_NVM,
8103                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
8104                    offset, buf_size);
8105                 return -EINVAL;
8106         }
8107
8108         if (offset + buf_size > bp->common.flash_size) {
8109                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8110                                   " buf_size (0x%x) > flash_size (0x%x)\n",
8111                    offset, buf_size, bp->common.flash_size);
8112                 return -EINVAL;
8113         }
8114
8115         /* request access to nvram interface */
8116         rc = bnx2x_acquire_nvram_lock(bp);
8117         if (rc)
8118                 return rc;
8119
8120         /* enable access to nvram interface */
8121         bnx2x_enable_nvram_access(bp);
8122
8123         /* read the first word(s) */
8124         cmd_flags = MCPR_NVM_COMMAND_FIRST;
8125         while ((buf_size > sizeof(u32)) && (rc == 0)) {
8126                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8127                 memcpy(ret_buf, &val, 4);
8128
8129                 /* advance to the next dword */
8130                 offset += sizeof(u32);
8131                 ret_buf += sizeof(u32);
8132                 buf_size -= sizeof(u32);
8133                 cmd_flags = 0;
8134         }
8135
8136         if (rc == 0) {
8137                 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8138                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8139                 memcpy(ret_buf, &val, 4);
8140         }
8141
8142         /* disable access to nvram interface */
8143         bnx2x_disable_nvram_access(bp);
8144         bnx2x_release_nvram_lock(bp);
8145
8146         return rc;
8147 }
8148
8149 static int bnx2x_get_eeprom(struct net_device *dev,
8150                             struct ethtool_eeprom *eeprom, u8 *eebuf)
8151 {
8152         struct bnx2x *bp = netdev_priv(dev);
8153         int rc;
8154
8155         if (!netif_running(dev))
8156                 return -EAGAIN;
8157
8158         DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8159            DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
8160            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8161            eeprom->len, eeprom->len);
8162
8163         /* parameters already validated in ethtool_get_eeprom */
8164
8165         rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8166
8167         return rc;
8168 }
8169
8170 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8171                                    u32 cmd_flags)
8172 {
8173         int count, i, rc;
8174
8175         /* build the command word */
8176         cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8177
8178         /* need to clear DONE bit separately */
8179         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8180
8181         /* write the data */
8182         REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8183
8184         /* address of the NVRAM to write to */
8185         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8186                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8187
8188         /* issue the write command */
8189         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8190
8191         /* adjust timeout for emulation/FPGA */
8192         count = NVRAM_TIMEOUT_COUNT;
8193         if (CHIP_REV_IS_SLOW(bp))
8194                 count *= 100;
8195
8196         /* wait for completion */
8197         rc = -EBUSY;
8198         for (i = 0; i < count; i++) {
8199                 udelay(5);
8200                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8201                 if (val & MCPR_NVM_COMMAND_DONE) {
8202                         rc = 0;
8203                         break;
8204                 }
8205         }
8206
8207         return rc;
8208 }
8209
8210 #define BYTE_OFFSET(offset)             (8 * (offset & 0x03))
8211
8212 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8213                               int buf_size)
8214 {
8215         int rc;
8216         u32 cmd_flags;
8217         u32 align_offset;
8218         u32 val;
8219
8220         if (offset + buf_size > bp->common.flash_size) {
8221                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8222                                   " buf_size (0x%x) > flash_size (0x%x)\n",
8223                    offset, buf_size, bp->common.flash_size);
8224                 return -EINVAL;
8225         }
8226
8227         /* request access to nvram interface */
8228         rc = bnx2x_acquire_nvram_lock(bp);
8229         if (rc)
8230                 return rc;
8231
8232         /* enable access to nvram interface */
8233         bnx2x_enable_nvram_access(bp);
8234
8235         cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8236         align_offset = (offset & ~0x03);
8237         rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8238
8239         if (rc == 0) {
8240                 val &= ~(0xff << BYTE_OFFSET(offset));
8241                 val |= (*data_buf << BYTE_OFFSET(offset));
8242
8243                 /* nvram data is returned as an array of bytes
8244                  * convert it back to cpu order */
8245                 val = be32_to_cpu(val);
8246
8247                 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8248                                              cmd_flags);
8249         }
8250
8251         /* disable access to nvram interface */
8252         bnx2x_disable_nvram_access(bp);
8253         bnx2x_release_nvram_lock(bp);
8254
8255         return rc;
8256 }
8257
8258 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8259                              int buf_size)
8260 {
8261         int rc;
8262         u32 cmd_flags;
8263         u32 val;
8264         u32 written_so_far;
8265
8266         if (buf_size == 1)      /* ethtool */
8267                 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
8268
8269         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8270                 DP(BNX2X_MSG_NVM,
8271                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
8272                    offset, buf_size);
8273                 return -EINVAL;
8274         }
8275
8276         if (offset + buf_size > bp->common.flash_size) {
8277                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8278                                   " buf_size (0x%x) > flash_size (0x%x)\n",
8279                    offset, buf_size, bp->common.flash_size);
8280                 return -EINVAL;
8281         }
8282
8283         /* request access to nvram interface */
8284         rc = bnx2x_acquire_nvram_lock(bp);
8285         if (rc)
8286                 return rc;
8287
8288         /* enable access to nvram interface */
8289         bnx2x_enable_nvram_access(bp);
8290
8291         written_so_far = 0;
8292         cmd_flags = MCPR_NVM_COMMAND_FIRST;
8293         while ((written_so_far < buf_size) && (rc == 0)) {
8294                 if (written_so_far == (buf_size - sizeof(u32)))
8295                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
8296                 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8297                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
8298                 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8299                         cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8300
8301                 memcpy(&val, data_buf, 4);
8302
8303                 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8304
8305                 /* advance to the next dword */
8306                 offset += sizeof(u32);
8307                 data_buf += sizeof(u32);
8308                 written_so_far += sizeof(u32);
8309                 cmd_flags = 0;
8310         }
8311
8312         /* disable access to nvram interface */
8313         bnx2x_disable_nvram_access(bp);
8314         bnx2x_release_nvram_lock(bp);
8315
8316         return rc;
8317 }
8318
8319 static int bnx2x_set_eeprom(struct net_device *dev,
8320                             struct ethtool_eeprom *eeprom, u8 *eebuf)
8321 {
8322         struct bnx2x *bp = netdev_priv(dev);
8323         int rc;
8324
8325         if (!netif_running(dev))
8326                 return -EAGAIN;
8327
8328         DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8329            DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
8330            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8331            eeprom->len, eeprom->len);
8332
8333         /* parameters already validated in ethtool_set_eeprom */
8334
8335         /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
8336         if (eeprom->magic == 0x00504859)
8337                 if (bp->port.pmf) {
8338
8339                         bnx2x_acquire_phy_lock(bp);
8340                         rc = bnx2x_flash_download(bp, BP_PORT(bp),
8341                                              bp->link_params.ext_phy_config,
8342                                              (bp->state != BNX2X_STATE_CLOSED),
8343                                              eebuf, eeprom->len);
8344                         if ((bp->state == BNX2X_STATE_OPEN) ||
8345                             (bp->state == BNX2X_STATE_DISABLED)) {
8346                                 rc |= bnx2x_link_reset(&bp->link_params,
8347                                                        &bp->link_vars);
8348                                 rc |= bnx2x_phy_init(&bp->link_params,
8349                                                      &bp->link_vars);
8350                         }
8351                         bnx2x_release_phy_lock(bp);
8352
8353                 } else /* Only the PMF can access the PHY */
8354                         return -EINVAL;
8355         else
8356                 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
8357
8358         return rc;
8359 }
8360
8361 static int bnx2x_get_coalesce(struct net_device *dev,
8362                               struct ethtool_coalesce *coal)
8363 {
8364         struct bnx2x *bp = netdev_priv(dev);
8365
8366         memset(coal, 0, sizeof(struct ethtool_coalesce));
8367
8368         coal->rx_coalesce_usecs = bp->rx_ticks;
8369         coal->tx_coalesce_usecs = bp->tx_ticks;
8370
8371         return 0;
8372 }
8373
8374 static int bnx2x_set_coalesce(struct net_device *dev,
8375                               struct ethtool_coalesce *coal)
8376 {
8377         struct bnx2x *bp = netdev_priv(dev);
8378
8379         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8380         if (bp->rx_ticks > 3000)
8381                 bp->rx_ticks = 3000;
8382
8383         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8384         if (bp->tx_ticks > 0x3000)
8385                 bp->tx_ticks = 0x3000;
8386
8387         if (netif_running(dev))
8388                 bnx2x_update_coalesce(bp);
8389
8390         return 0;
8391 }
8392
8393 static void bnx2x_get_ringparam(struct net_device *dev,
8394                                 struct ethtool_ringparam *ering)
8395 {
8396         struct bnx2x *bp = netdev_priv(dev);
8397
8398         ering->rx_max_pending = MAX_RX_AVAIL;
8399         ering->rx_mini_max_pending = 0;
8400         ering->rx_jumbo_max_pending = 0;
8401
8402         ering->rx_pending = bp->rx_ring_size;
8403         ering->rx_mini_pending = 0;
8404         ering->rx_jumbo_pending = 0;
8405
8406         ering->tx_max_pending = MAX_TX_AVAIL;
8407         ering->tx_pending = bp->tx_ring_size;
8408 }
8409
8410 static int bnx2x_set_ringparam(struct net_device *dev,
8411                                struct ethtool_ringparam *ering)
8412 {
8413         struct bnx2x *bp = netdev_priv(dev);
8414         int rc = 0;
8415
8416         if ((ering->rx_pending > MAX_RX_AVAIL) ||
8417             (ering->tx_pending > MAX_TX_AVAIL) ||
8418             (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8419                 return -EINVAL;
8420
8421         bp->rx_ring_size = ering->rx_pending;
8422         bp->tx_ring_size = ering->tx_pending;
8423
8424         if (netif_running(dev)) {
8425                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8426                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8427         }
8428
8429         return rc;
8430 }
8431
8432 static void bnx2x_get_pauseparam(struct net_device *dev,
8433                                  struct ethtool_pauseparam *epause)
8434 {
8435         struct bnx2x *bp = netdev_priv(dev);
8436
8437         epause->autoneg = (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
8438                           (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8439
8440         epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
8441                             BNX2X_FLOW_CTRL_RX);
8442         epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
8443                             BNX2X_FLOW_CTRL_TX);
8444
8445         DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8446            DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
8447            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8448 }
8449
8450 static int bnx2x_set_pauseparam(struct net_device *dev,
8451                                 struct ethtool_pauseparam *epause)
8452 {
8453         struct bnx2x *bp = netdev_priv(dev);
8454
8455         if (IS_E1HMF(bp))
8456                 return 0;
8457
8458         DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8459            DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
8460            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8461
8462         bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
8463
8464         if (epause->rx_pause)
8465                 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_RX;
8466
8467         if (epause->tx_pause)
8468                 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_TX;
8469
8470         if (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
8471                 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
8472
8473         if (epause->autoneg) {
8474                 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
8475                         DP(NETIF_MSG_LINK, "autoneg not supported\n");
8476                         return -EINVAL;
8477                 }
8478
8479                 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8480                         bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
8481         }
8482
8483         DP(NETIF_MSG_LINK,
8484            "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
8485
8486         if (netif_running(dev)) {
8487                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
8488                 bnx2x_link_set(bp);
8489         }
8490
8491         return 0;
8492 }
8493
8494 static int bnx2x_set_flags(struct net_device *dev, u32 data)
8495 {
8496         struct bnx2x *bp = netdev_priv(dev);
8497         int changed = 0;
8498         int rc = 0;
8499
8500         /* TPA requires Rx CSUM offloading */
8501         if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8502                 if (!(dev->features & NETIF_F_LRO)) {
8503                         dev->features |= NETIF_F_LRO;
8504                         bp->flags |= TPA_ENABLE_FLAG;
8505                         changed = 1;
8506                 }
8507
8508         } else if (dev->features & NETIF_F_LRO) {
8509                 dev->features &= ~NETIF_F_LRO;
8510                 bp->flags &= ~TPA_ENABLE_FLAG;
8511                 changed = 1;
8512         }
8513
8514         if (changed && netif_running(dev)) {
8515                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8516                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8517         }
8518
8519         return rc;
8520 }
8521
8522 static u32 bnx2x_get_rx_csum(struct net_device *dev)
8523 {
8524         struct bnx2x *bp = netdev_priv(dev);
8525
8526         return bp->rx_csum;
8527 }
8528
8529 static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8530 {
8531         struct bnx2x *bp = netdev_priv(dev);
8532         int rc = 0;
8533
8534         bp->rx_csum = data;
8535
8536         /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8537            TPA'ed packets will be discarded due to wrong TCP CSUM */
8538         if (!data) {
8539                 u32 flags = ethtool_op_get_flags(dev);
8540
8541                 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8542         }
8543
8544         return rc;
8545 }
8546
8547 static int bnx2x_set_tso(struct net_device *dev, u32 data)
8548 {
8549         if (data) {
8550                 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
8551                 dev->features |= NETIF_F_TSO6;
8552         } else {
8553                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
8554                 dev->features &= ~NETIF_F_TSO6;
8555         }
8556
8557         return 0;
8558 }
8559
8560 static const struct {
8561         char string[ETH_GSTRING_LEN];
8562 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
8563         { "register_test (offline)" },
8564         { "memory_test (offline)" },
8565         { "loopback_test (offline)" },
8566         { "nvram_test (online)" },
8567         { "interrupt_test (online)" },
8568         { "link_test (online)" },
8569         { "idle check (online)" },
8570         { "MC errors (online)" }
8571 };
8572
8573 static int bnx2x_self_test_count(struct net_device *dev)
8574 {
8575         return BNX2X_NUM_TESTS;
8576 }
8577
8578 static int bnx2x_test_registers(struct bnx2x *bp)
8579 {
8580         int idx, i, rc = -ENODEV;
8581         u32 wr_val = 0;
8582         int port = BP_PORT(bp);
8583         static const struct {
8584                 u32  offset0;
8585                 u32  offset1;
8586                 u32  mask;
8587         } reg_tbl[] = {
8588 /* 0 */         { BRB1_REG_PAUSE_LOW_THRESHOLD_0,      4, 0x000003ff },
8589                 { DORQ_REG_DB_ADDR0,                   4, 0xffffffff },
8590                 { HC_REG_AGG_INT_0,                    4, 0x000003ff },
8591                 { PBF_REG_MAC_IF0_ENABLE,              4, 0x00000001 },
8592                 { PBF_REG_P0_INIT_CRD,                 4, 0x000007ff },
8593                 { PRS_REG_CID_PORT_0,                  4, 0x00ffffff },
8594                 { PXP2_REG_PSWRQ_CDU0_L2P,             4, 0x000fffff },
8595                 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR,    8, 0x0003ffff },
8596                 { PXP2_REG_PSWRQ_TM0_L2P,              4, 0x000fffff },
8597                 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR,   8, 0x0003ffff },
8598 /* 10 */        { PXP2_REG_PSWRQ_TSDM0_L2P,            4, 0x000fffff },
8599                 { QM_REG_CONNNUM_0,                    4, 0x000fffff },
8600                 { TM_REG_LIN0_MAX_ACTIVE_CID,          4, 0x0003ffff },
8601                 { SRC_REG_KEYRSS0_0,                  40, 0xffffffff },
8602                 { SRC_REG_KEYRSS0_7,                  40, 0xffffffff },
8603                 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8604                 { XCM_REG_WU_DA_CNT_CMD00,             4, 0x00000003 },
8605                 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0,       4, 0x000000ff },
8606                 { NIG_REG_EGRESS_MNG0_FIFO,           20, 0xffffffff },
8607                 { NIG_REG_LLH0_T_BIT,                  4, 0x00000001 },
8608 /* 20 */        { NIG_REG_EMAC0_IN_EN,                 4, 0x00000001 },
8609                 { NIG_REG_BMAC0_IN_EN,                 4, 0x00000001 },
8610                 { NIG_REG_XCM0_OUT_EN,                 4, 0x00000001 },
8611                 { NIG_REG_BRB0_OUT_EN,                 4, 0x00000001 },
8612                 { NIG_REG_LLH0_XCM_MASK,               4, 0x00000007 },
8613                 { NIG_REG_LLH0_ACPI_PAT_6_LEN,        68, 0x000000ff },
8614                 { NIG_REG_LLH0_ACPI_PAT_0_CRC,        68, 0xffffffff },
8615                 { NIG_REG_LLH0_DEST_MAC_0_0,         160, 0xffffffff },
8616                 { NIG_REG_LLH0_DEST_IP_0_1,          160, 0xffffffff },
8617                 { NIG_REG_LLH0_IPV4_IPV6_0,          160, 0x00000001 },
8618 /* 30 */        { NIG_REG_LLH0_DEST_UDP_0,           160, 0x0000ffff },
8619                 { NIG_REG_LLH0_DEST_TCP_0,           160, 0x0000ffff },
8620                 { NIG_REG_LLH0_VLAN_ID_0,            160, 0x00000fff },
8621                 { NIG_REG_XGXS_SERDES0_MODE_SEL,       4, 0x00000001 },
8622                 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8623                 { NIG_REG_STATUS_INTERRUPT_PORT0,      4, 0x07ffffff },
8624                 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8625                 { NIG_REG_SERDES0_CTRL_PHY_ADDR,      16, 0x0000001f },
8626
8627                 { 0xffffffff, 0, 0x00000000 }
8628         };
8629
8630         if (!netif_running(bp->dev))
8631                 return rc;
8632
8633         /* Repeat the test twice:
8634            First by writing 0x00000000, second by writing 0xffffffff */
8635         for (idx = 0; idx < 2; idx++) {
8636
8637                 switch (idx) {
8638                 case 0:
8639                         wr_val = 0;
8640                         break;
8641                 case 1:
8642                         wr_val = 0xffffffff;
8643                         break;
8644                 }
8645
8646                 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8647                         u32 offset, mask, save_val, val;
8648
8649                         offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8650                         mask = reg_tbl[i].mask;
8651
8652                         save_val = REG_RD(bp, offset);
8653
8654                         REG_WR(bp, offset, wr_val);
8655                         val = REG_RD(bp, offset);
8656
8657                         /* Restore the original register's value */
8658                         REG_WR(bp, offset, save_val);
8659
8660                         /* verify that value is as expected value */
8661                         if ((val & mask) != (wr_val & mask))
8662                                 goto test_reg_exit;
8663                 }
8664         }
8665
8666         rc = 0;
8667
8668 test_reg_exit:
8669         return rc;
8670 }
8671
8672 static int bnx2x_test_memory(struct bnx2x *bp)
8673 {
8674         int i, j, rc = -ENODEV;
8675         u32 val;
8676         static const struct {
8677                 u32 offset;
8678                 int size;
8679         } mem_tbl[] = {
8680                 { CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
8681                 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8682                 { CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
8683                 { DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
8684                 { TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
8685                 { UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
8686                 { XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },
8687
8688                 { 0xffffffff, 0 }
8689         };
8690         static const struct {
8691                 char *name;
8692                 u32 offset;
8693                 u32 e1_mask;
8694                 u32 e1h_mask;
8695         } prty_tbl[] = {
8696                 { "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,   0x3ffc0, 0 },
8697                 { "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,   0x2,     0x2 },
8698                 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0,       0 },
8699                 { "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,   0x3ffc0, 0 },
8700                 { "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,   0x3ffc0, 0 },
8701                 { "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,   0x3ffc1, 0 },
8702
8703                 { NULL, 0xffffffff, 0, 0 }
8704         };
8705
8706         if (!netif_running(bp->dev))
8707                 return rc;
8708
8709         /* Go through all the memories */
8710         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8711                 for (j = 0; j < mem_tbl[i].size; j++)
8712                         REG_RD(bp, mem_tbl[i].offset + j*4);
8713
8714         /* Check the parity status */
8715         for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8716                 val = REG_RD(bp, prty_tbl[i].offset);
8717                 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8718                     (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
8719                         DP(NETIF_MSG_HW,
8720                            "%s is 0x%x\n", prty_tbl[i].name, val);
8721                         goto test_mem_exit;
8722                 }
8723         }
8724
8725         rc = 0;
8726
8727 test_mem_exit:
8728         return rc;
8729 }
8730
8731 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8732 {
8733         int cnt = 1000;
8734
8735         if (link_up)
8736                 while (bnx2x_link_test(bp) && cnt--)
8737                         msleep(10);
8738 }
8739
8740 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8741 {
8742         unsigned int pkt_size, num_pkts, i;
8743         struct sk_buff *skb;
8744         unsigned char *packet;
8745         struct bnx2x_fastpath *fp = &bp->fp[0];
8746         u16 tx_start_idx, tx_idx;
8747         u16 rx_start_idx, rx_idx;
8748         u16 pkt_prod;
8749         struct sw_tx_bd *tx_buf;
8750         struct eth_tx_bd *tx_bd;
8751         dma_addr_t mapping;
8752         union eth_rx_cqe *cqe;
8753         u8 cqe_fp_flags;
8754         struct sw_rx_bd *rx_buf;
8755         u16 len;
8756         int rc = -ENODEV;
8757
8758         if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8759                 bp->link_params.loopback_mode = LOOPBACK_BMAC;
8760                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8761
8762         } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8763                 u16 cnt = 1000;
8764                 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
8765                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8766                 /* wait until link state is restored */
8767                 if (link_up)
8768                         while (cnt-- && bnx2x_test_link(&bp->link_params,
8769                                                         &bp->link_vars))
8770                                 msleep(10);
8771         } else
8772                 return -EINVAL;
8773
8774         pkt_size = 1514;
8775         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8776         if (!skb) {
8777                 rc = -ENOMEM;
8778                 goto test_loopback_exit;
8779         }
8780         packet = skb_put(skb, pkt_size);
8781         memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8782         memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8783         for (i = ETH_HLEN; i < pkt_size; i++)
8784                 packet[i] = (unsigned char) (i & 0xff);
8785
8786         num_pkts = 0;
8787         tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8788         rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8789
8790         pkt_prod = fp->tx_pkt_prod++;
8791         tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8792         tx_buf->first_bd = fp->tx_bd_prod;
8793         tx_buf->skb = skb;
8794
8795         tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8796         mapping = pci_map_single(bp->pdev, skb->data,
8797                                  skb_headlen(skb), PCI_DMA_TODEVICE);
8798         tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8799         tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8800         tx_bd->nbd = cpu_to_le16(1);
8801         tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8802         tx_bd->vlan = cpu_to_le16(pkt_prod);
8803         tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8804                                        ETH_TX_BD_FLAGS_END_BD);
8805         tx_bd->general_data = ((UNICAST_ADDRESS <<
8806                                 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8807
8808         wmb();
8809
8810         fp->hw_tx_prods->bds_prod =
8811                 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8812         mb(); /* FW restriction: must not reorder writing nbd and packets */
8813         fp->hw_tx_prods->packets_prod =
8814                 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8815         DOORBELL(bp, FP_IDX(fp), 0);
8816
8817         mmiowb();
8818
8819         num_pkts++;
8820         fp->tx_bd_prod++;
8821         bp->dev->trans_start = jiffies;
8822
8823         udelay(100);
8824
8825         tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8826         if (tx_idx != tx_start_idx + num_pkts)
8827                 goto test_loopback_exit;
8828
8829         rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8830         if (rx_idx != rx_start_idx + num_pkts)
8831                 goto test_loopback_exit;
8832
8833         cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8834         cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8835         if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8836                 goto test_loopback_rx_exit;
8837
8838         len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8839         if (len != pkt_size)
8840                 goto test_loopback_rx_exit;
8841
8842         rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8843         skb = rx_buf->skb;
8844         skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8845         for (i = ETH_HLEN; i < pkt_size; i++)
8846                 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8847                         goto test_loopback_rx_exit;
8848
8849         rc = 0;
8850
8851 test_loopback_rx_exit:
8852
8853         fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8854         fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8855         fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8856         fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8857
8858         /* Update producers */
8859         bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8860                              fp->rx_sge_prod);
8861
8862 test_loopback_exit:
8863         bp->link_params.loopback_mode = LOOPBACK_NONE;
8864
8865         return rc;
8866 }
8867
8868 static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8869 {
8870         int rc = 0;
8871
8872         if (!netif_running(bp->dev))
8873                 return BNX2X_LOOPBACK_FAILED;
8874
8875         bnx2x_netif_stop(bp, 1);
8876         bnx2x_acquire_phy_lock(bp);
8877
8878         if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8879                 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8880                 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8881         }
8882
8883         if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8884                 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8885                 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8886         }
8887
8888         bnx2x_release_phy_lock(bp);
8889         bnx2x_netif_start(bp);
8890
8891         return rc;
8892 }
8893
8894 #define CRC32_RESIDUAL                  0xdebb20e3
8895
8896 static int bnx2x_test_nvram(struct bnx2x *bp)
8897 {
8898         static const struct {
8899                 int offset;
8900                 int size;
8901         } nvram_tbl[] = {
8902                 {     0,  0x14 }, /* bootstrap */
8903                 {  0x14,  0xec }, /* dir */
8904                 { 0x100, 0x350 }, /* manuf_info */
8905                 { 0x450,  0xf0 }, /* feature_info */
8906                 { 0x640,  0x64 }, /* upgrade_key_info */
8907                 { 0x6a4,  0x64 },
8908                 { 0x708,  0x70 }, /* manuf_key_info */
8909                 { 0x778,  0x70 },
8910                 {     0,     0 }
8911         };
8912         u32 buf[0x350 / 4];
8913         u8 *data = (u8 *)buf;
8914         int i, rc;
8915         u32 magic, csum;
8916
8917         rc = bnx2x_nvram_read(bp, 0, data, 4);
8918         if (rc) {
8919                 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8920                 goto test_nvram_exit;
8921         }
8922
8923         magic = be32_to_cpu(buf[0]);
8924         if (magic != 0x669955aa) {
8925                 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8926                 rc = -ENODEV;
8927                 goto test_nvram_exit;
8928         }
8929
8930         for (i = 0; nvram_tbl[i].size; i++) {
8931
8932                 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8933                                       nvram_tbl[i].size);
8934                 if (rc) {
8935                         DP(NETIF_MSG_PROBE,
8936                            "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8937                         goto test_nvram_exit;
8938                 }
8939
8940                 csum = ether_crc_le(nvram_tbl[i].size, data);
8941                 if (csum != CRC32_RESIDUAL) {
8942                         DP(NETIF_MSG_PROBE,
8943                            "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8944                         rc = -ENODEV;
8945                         goto test_nvram_exit;
8946                 }
8947         }
8948
8949 test_nvram_exit:
8950         return rc;
8951 }
8952
8953 static int bnx2x_test_intr(struct bnx2x *bp)
8954 {
8955         struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8956         int i, rc;
8957
8958         if (!netif_running(bp->dev))
8959                 return -ENODEV;
8960
8961         config->hdr.length_6b = 0;
8962         if (CHIP_IS_E1(bp))
8963                 config->hdr.offset = (BP_PORT(bp) ? 32 : 0);
8964         else
8965                 config->hdr.offset = BP_FUNC(bp);
8966         config->hdr.client_id = BP_CL_ID(bp);
8967         config->hdr.reserved1 = 0;
8968
8969         rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8970                            U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8971                            U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8972         if (rc == 0) {
8973                 bp->set_mac_pending++;
8974                 for (i = 0; i < 10; i++) {
8975                         if (!bp->set_mac_pending)
8976                                 break;
8977                         msleep_interruptible(10);
8978                 }
8979                 if (i == 10)
8980                         rc = -ENODEV;
8981         }
8982
8983         return rc;
8984 }
8985
8986 static void bnx2x_self_test(struct net_device *dev,
8987                             struct ethtool_test *etest, u64 *buf)
8988 {
8989         struct bnx2x *bp = netdev_priv(dev);
8990
8991         memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8992
8993         if (!netif_running(dev))
8994                 return;
8995
8996         /* offline tests are not supported in MF mode */
8997         if (IS_E1HMF(bp))
8998                 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8999
9000         if (etest->flags & ETH_TEST_FL_OFFLINE) {
9001                 u8 link_up;
9002
9003                 link_up = bp->link_vars.link_up;
9004                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9005                 bnx2x_nic_load(bp, LOAD_DIAG);
9006                 /* wait until link state is restored */
9007                 bnx2x_wait_for_link(bp, link_up);
9008
9009                 if (bnx2x_test_registers(bp) != 0) {
9010                         buf[0] = 1;
9011                         etest->flags |= ETH_TEST_FL_FAILED;
9012                 }
9013                 if (bnx2x_test_memory(bp) != 0) {
9014                         buf[1] = 1;
9015                         etest->flags |= ETH_TEST_FL_FAILED;
9016                 }
9017                 buf[2] = bnx2x_test_loopback(bp, link_up);
9018                 if (buf[2] != 0)
9019                         etest->flags |= ETH_TEST_FL_FAILED;
9020
9021                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9022                 bnx2x_nic_load(bp, LOAD_NORMAL);
9023                 /* wait until link state is restored */
9024                 bnx2x_wait_for_link(bp, link_up);
9025         }
9026         if (bnx2x_test_nvram(bp) != 0) {
9027                 buf[3] = 1;
9028                 etest->flags |= ETH_TEST_FL_FAILED;
9029         }
9030         if (bnx2x_test_intr(bp) != 0) {
9031                 buf[4] = 1;
9032                 etest->flags |= ETH_TEST_FL_FAILED;
9033         }
9034         if (bp->port.pmf)
9035                 if (bnx2x_link_test(bp) != 0) {
9036                         buf[5] = 1;
9037                         etest->flags |= ETH_TEST_FL_FAILED;
9038                 }
9039         buf[7] = bnx2x_mc_assert(bp);
9040         if (buf[7] != 0)
9041                 etest->flags |= ETH_TEST_FL_FAILED;
9042
9043 #ifdef BNX2X_EXTRA_DEBUG
9044         bnx2x_panic_dump(bp);
9045 #endif
9046 }
9047
9048 static const struct {
9049         long offset;
9050         int size;
9051         u32 flags;
9052 #define STATS_FLAGS_PORT                1
9053 #define STATS_FLAGS_FUNC                2
9054         u8 string[ETH_GSTRING_LEN];
9055 } bnx2x_stats_arr[BNX2X_NUM_STATS] = {
9056 /* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
9057                                 8, STATS_FLAGS_FUNC, "rx_bytes" },
9058         { STATS_OFFSET32(error_bytes_received_hi),
9059                                 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
9060         { STATS_OFFSET32(total_bytes_transmitted_hi),
9061                                 8, STATS_FLAGS_FUNC, "tx_bytes" },
9062         { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
9063                                 8, STATS_FLAGS_PORT, "tx_error_bytes" },
9064         { STATS_OFFSET32(total_unicast_packets_received_hi),
9065                                 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
9066         { STATS_OFFSET32(total_multicast_packets_received_hi),
9067                                 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
9068         { STATS_OFFSET32(total_broadcast_packets_received_hi),
9069                                 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
9070         { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
9071                                 8, STATS_FLAGS_FUNC, "tx_packets" },
9072         { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
9073                                 8, STATS_FLAGS_PORT, "tx_mac_errors" },
9074 /* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
9075                                 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
9076         { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
9077                                 8, STATS_FLAGS_PORT, "rx_crc_errors" },
9078         { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
9079                                 8, STATS_FLAGS_PORT, "rx_align_errors" },
9080         { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
9081                                 8, STATS_FLAGS_PORT, "tx_single_collisions" },
9082         { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
9083                                 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
9084         { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
9085                                 8, STATS_FLAGS_PORT, "tx_deferred" },
9086         { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
9087                                 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
9088         { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
9089                                 8, STATS_FLAGS_PORT, "tx_late_collisions" },
9090         { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
9091                                 8, STATS_FLAGS_PORT, "tx_total_collisions" },
9092         { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
9093                                 8, STATS_FLAGS_PORT, "rx_fragments" },
9094 /* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9095                                 8, STATS_FLAGS_PORT, "rx_jabbers" },
9096         { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
9097                                 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
9098         { STATS_OFFSET32(jabber_packets_received),
9099                                 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
9100         { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
9101                                 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
9102         { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
9103                         8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
9104         { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
9105                         8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
9106         { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
9107                         8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
9108         { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
9109                         8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
9110         { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
9111                         8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
9112         { STATS_OFFSET32(etherstatspktsover1522octets_hi),
9113                         8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
9114 /* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
9115                                 8, STATS_FLAGS_PORT, "rx_xon_frames" },
9116         { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
9117                                 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9118         { STATS_OFFSET32(tx_stat_outxonsent_hi),
9119                                 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9120         { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9121                                 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
9122         { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
9123                                 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9124         { STATS_OFFSET32(mac_filter_discard),
9125                                 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9126         { STATS_OFFSET32(no_buff_discard),
9127                                 4, STATS_FLAGS_FUNC, "rx_discards" },
9128         { STATS_OFFSET32(xxoverflow_discard),
9129                                 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9130         { STATS_OFFSET32(brb_drop_hi),
9131                                 8, STATS_FLAGS_PORT, "brb_discard" },
9132         { STATS_OFFSET32(brb_truncate_hi),
9133                                 8, STATS_FLAGS_PORT, "brb_truncate" },
9134 /* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9135                                 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9136         { STATS_OFFSET32(rx_skb_alloc_failed),
9137                                 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9138 /* 42 */{ STATS_OFFSET32(hw_csum_err),
9139                                 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
9140 };
9141
9142 #define IS_NOT_E1HMF_STAT(bp, i) \
9143                 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9144
9145 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9146 {
9147         struct bnx2x *bp = netdev_priv(dev);
9148         int i, j;
9149
9150         switch (stringset) {
9151         case ETH_SS_STATS:
9152                 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9153                         if (IS_NOT_E1HMF_STAT(bp, i))
9154                                 continue;
9155                         strcpy(buf + j*ETH_GSTRING_LEN,
9156                                bnx2x_stats_arr[i].string);
9157                         j++;
9158                 }
9159                 break;
9160
9161         case ETH_SS_TEST:
9162                 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9163                 break;
9164         }
9165 }
9166
9167 static int bnx2x_get_stats_count(struct net_device *dev)
9168 {
9169         struct bnx2x *bp = netdev_priv(dev);
9170         int i, num_stats = 0;
9171
9172         for (i = 0; i < BNX2X_NUM_STATS; i++) {
9173                 if (IS_NOT_E1HMF_STAT(bp, i))
9174                         continue;
9175                 num_stats++;
9176         }
9177         return num_stats;
9178 }
9179
9180 static void bnx2x_get_ethtool_stats(struct net_device *dev,
9181                                     struct ethtool_stats *stats, u64 *buf)
9182 {
9183         struct bnx2x *bp = netdev_priv(dev);
9184         u32 *hw_stats = (u32 *)&bp->eth_stats;
9185         int i, j;
9186
9187         for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9188                 if (IS_NOT_E1HMF_STAT(bp, i))
9189                         continue;
9190
9191                 if (bnx2x_stats_arr[i].size == 0) {
9192                         /* skip this counter */
9193                         buf[j] = 0;
9194                         j++;
9195                         continue;
9196                 }
9197                 if (bnx2x_stats_arr[i].size == 4) {
9198                         /* 4-byte counter */
9199                         buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9200                         j++;
9201                         continue;
9202                 }
9203                 /* 8-byte counter */
9204                 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9205                                   *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9206                 j++;
9207         }
9208 }
9209
9210 static int bnx2x_phys_id(struct net_device *dev, u32 data)
9211 {
9212         struct bnx2x *bp = netdev_priv(dev);
9213         int port = BP_PORT(bp);
9214         int i;
9215
9216         if (!netif_running(dev))
9217                 return 0;
9218
9219         if (!bp->port.pmf)
9220                 return 0;
9221
9222         if (data == 0)
9223                 data = 2;
9224
9225         for (i = 0; i < (data * 2); i++) {
9226                 if ((i % 2) == 0)
9227                         bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
9228                                       bp->link_params.hw_led_mode,
9229                                       bp->link_params.chip_id);
9230                 else
9231                         bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
9232                                       bp->link_params.hw_led_mode,
9233                                       bp->link_params.chip_id);
9234
9235                 msleep_interruptible(500);
9236                 if (signal_pending(current))
9237                         break;
9238         }
9239
9240         if (bp->link_vars.link_up)
9241                 bnx2x_set_led(bp, port, LED_MODE_OPER,
9242                               bp->link_vars.line_speed,
9243                               bp->link_params.hw_led_mode,
9244                               bp->link_params.chip_id);
9245
9246         return 0;
9247 }
9248
9249 static struct ethtool_ops bnx2x_ethtool_ops = {
9250         .get_settings           = bnx2x_get_settings,
9251         .set_settings           = bnx2x_set_settings,
9252         .get_drvinfo            = bnx2x_get_drvinfo,
9253         .get_wol                = bnx2x_get_wol,
9254         .set_wol                = bnx2x_set_wol,
9255         .get_msglevel           = bnx2x_get_msglevel,
9256         .set_msglevel           = bnx2x_set_msglevel,
9257         .nway_reset             = bnx2x_nway_reset,
9258         .get_link               = ethtool_op_get_link,
9259         .get_eeprom_len         = bnx2x_get_eeprom_len,
9260         .get_eeprom             = bnx2x_get_eeprom,
9261         .set_eeprom             = bnx2x_set_eeprom,
9262         .get_coalesce           = bnx2x_get_coalesce,
9263         .set_coalesce           = bnx2x_set_coalesce,
9264         .get_ringparam          = bnx2x_get_ringparam,
9265         .set_ringparam          = bnx2x_set_ringparam,
9266         .get_pauseparam         = bnx2x_get_pauseparam,
9267         .set_pauseparam         = bnx2x_set_pauseparam,
9268         .get_rx_csum            = bnx2x_get_rx_csum,
9269         .set_rx_csum            = bnx2x_set_rx_csum,
9270         .get_tx_csum            = ethtool_op_get_tx_csum,
9271         .set_tx_csum            = ethtool_op_set_tx_hw_csum,
9272         .set_flags              = bnx2x_set_flags,
9273         .get_flags              = ethtool_op_get_flags,
9274         .get_sg                 = ethtool_op_get_sg,
9275         .set_sg                 = ethtool_op_set_sg,
9276         .get_tso                = ethtool_op_get_tso,
9277         .set_tso                = bnx2x_set_tso,
9278         .self_test_count        = bnx2x_self_test_count,
9279         .self_test              = bnx2x_self_test,
9280         .get_strings            = bnx2x_get_strings,
9281         .phys_id                = bnx2x_phys_id,
9282         .get_stats_count        = bnx2x_get_stats_count,
9283         .get_ethtool_stats      = bnx2x_get_ethtool_stats,
9284 };
9285
9286 /* end of ethtool_ops */
9287
9288 /****************************************************************************
9289 * General service functions
9290 ****************************************************************************/
9291
9292 static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9293 {
9294         u16 pmcsr;
9295
9296         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9297
9298         switch (state) {
9299         case PCI_D0:
9300                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9301                                       ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9302                                        PCI_PM_CTRL_PME_STATUS));
9303
9304                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
9305                         /* delay required during transition out of D3hot */
9306                         msleep(20);
9307                 break;
9308
9309         case PCI_D3hot:
9310                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9311                 pmcsr |= 3;
9312
9313                 if (bp->wol)
9314                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9315
9316                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9317                                       pmcsr);
9318
9319                 /* No more memory access after this point until
9320                 * device is brought back to D0.
9321                 */
9322                 break;
9323
9324         default:
9325                 return -EINVAL;
9326         }
9327         return 0;
9328 }
9329
9330 static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp)
9331 {
9332         u16 rx_cons_sb;
9333
9334         /* Tell compiler that status block fields can change */
9335         barrier();
9336         rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9337         if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9338                 rx_cons_sb++;
9339         return (fp->rx_comp_cons != rx_cons_sb);
9340 }
9341
9342 /*
9343  * net_device service functions
9344  */
9345
9346 static int bnx2x_poll(struct napi_struct *napi, int budget)
9347 {
9348         struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9349                                                  napi);
9350         struct bnx2x *bp = fp->bp;
9351         int work_done = 0;
9352
9353 #ifdef BNX2X_STOP_ON_ERROR
9354         if (unlikely(bp->panic))
9355                 goto poll_panic;
9356 #endif
9357
9358         prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9359         prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9360         prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9361
9362         bnx2x_update_fpsb_idx(fp);
9363
9364         if (bnx2x_has_tx_work(fp))
9365                 bnx2x_tx_int(fp, budget);
9366
9367         if (bnx2x_has_rx_work(fp))
9368                 work_done = bnx2x_rx_int(fp, budget);
9369         rmb(); /* BNX2X_HAS_WORK() reads the status block */
9370
9371         /* must not complete if we consumed full budget */
9372         if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
9373
9374 #ifdef BNX2X_STOP_ON_ERROR
9375 poll_panic:
9376 #endif
9377                 netif_rx_complete(napi);
9378
9379                 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
9380                              le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
9381                 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
9382                              le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9383         }
9384         return work_done;
9385 }
9386
9387
9388 /* we split the first BD into headers and data BDs
9389  * to ease the pain of our fellow microcode engineers
9390  * we use one mapping for both BDs
9391  * So far this has only been observed to happen
9392  * in Other Operating Systems(TM)
9393  */
9394 static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9395                                    struct bnx2x_fastpath *fp,
9396                                    struct eth_tx_bd **tx_bd, u16 hlen,
9397                                    u16 bd_prod, int nbd)
9398 {
9399         struct eth_tx_bd *h_tx_bd = *tx_bd;
9400         struct eth_tx_bd *d_tx_bd;
9401         dma_addr_t mapping;
9402         int old_len = le16_to_cpu(h_tx_bd->nbytes);
9403
9404         /* first fix first BD */
9405         h_tx_bd->nbd = cpu_to_le16(nbd);
9406         h_tx_bd->nbytes = cpu_to_le16(hlen);
9407
9408         DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9409            "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9410            h_tx_bd->addr_lo, h_tx_bd->nbd);
9411
9412         /* now get a new data BD
9413          * (after the pbd) and fill it */
9414         bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9415         d_tx_bd = &fp->tx_desc_ring[bd_prod];
9416
9417         mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9418                            le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9419
9420         d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9421         d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9422         d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9423         d_tx_bd->vlan = 0;
9424         /* this marks the BD as one that has no individual mapping
9425          * the FW ignores this flag in a BD not marked start
9426          */
9427         d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9428         DP(NETIF_MSG_TX_QUEUED,
9429            "TSO split data size is %d (%x:%x)\n",
9430            d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9431
9432         /* update tx_bd for marking the last BD flag */
9433         *tx_bd = d_tx_bd;
9434
9435         return bd_prod;
9436 }
9437
9438 static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9439 {
9440         if (fix > 0)
9441                 csum = (u16) ~csum_fold(csum_sub(csum,
9442                                 csum_partial(t_header - fix, fix, 0)));
9443
9444         else if (fix < 0)
9445                 csum = (u16) ~csum_fold(csum_add(csum,
9446                                 csum_partial(t_header, -fix, 0)));
9447
9448         return swab16(csum);
9449 }
9450
9451 static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9452 {
9453         u32 rc;
9454
9455         if (skb->ip_summed != CHECKSUM_PARTIAL)
9456                 rc = XMIT_PLAIN;
9457
9458         else {
9459                 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9460                         rc = XMIT_CSUM_V6;
9461                         if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9462                                 rc |= XMIT_CSUM_TCP;
9463
9464                 } else {
9465                         rc = XMIT_CSUM_V4;
9466                         if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9467                                 rc |= XMIT_CSUM_TCP;
9468                 }
9469         }
9470
9471         if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9472                 rc |= XMIT_GSO_V4;
9473
9474         else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9475                 rc |= XMIT_GSO_V6;
9476
9477         return rc;
9478 }
9479
9480 #if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3)
9481 /* check if packet requires linearization (packet is too fragmented) */
9482 static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9483                              u32 xmit_type)
9484 {
9485         int to_copy = 0;
9486         int hlen = 0;
9487         int first_bd_sz = 0;
9488
9489         /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9490         if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9491
9492                 if (xmit_type & XMIT_GSO) {
9493                         unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9494                         /* Check if LSO packet needs to be copied:
9495                            3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9496                         int wnd_size = MAX_FETCH_BD - 3;
9497                         /* Number of windows to check */
9498                         int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9499                         int wnd_idx = 0;
9500                         int frag_idx = 0;
9501                         u32 wnd_sum = 0;
9502
9503                         /* Headers length */
9504                         hlen = (int)(skb_transport_header(skb) - skb->data) +
9505                                 tcp_hdrlen(skb);
9506
9507                         /* Amount of data (w/o headers) on linear part of SKB*/
9508                         first_bd_sz = skb_headlen(skb) - hlen;
9509
9510                         wnd_sum  = first_bd_sz;
9511
9512                         /* Calculate the first sum - it's special */
9513                         for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9514                                 wnd_sum +=
9515                                         skb_shinfo(skb)->frags[frag_idx].size;
9516
9517                         /* If there was data on linear skb data - check it */
9518                         if (first_bd_sz > 0) {
9519                                 if (unlikely(wnd_sum < lso_mss)) {
9520                                         to_copy = 1;
9521                                         goto exit_lbl;
9522                                 }
9523
9524                                 wnd_sum -= first_bd_sz;
9525                         }
9526
9527                         /* Others are easier: run through the frag list and
9528                            check all windows */
9529                         for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9530                                 wnd_sum +=
9531                           skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9532
9533                                 if (unlikely(wnd_sum < lso_mss)) {
9534                                         to_copy = 1;
9535                                         break;
9536                                 }
9537                                 wnd_sum -=
9538                                         skb_shinfo(skb)->frags[wnd_idx].size;
9539                         }
9540
9541                 } else {
9542                         /* in non-LSO too fragmented packet should always
9543                            be linearized */
9544                         to_copy = 1;
9545                 }
9546         }
9547
9548 exit_lbl:
9549         if (unlikely(to_copy))
9550                 DP(NETIF_MSG_TX_QUEUED,
9551                    "Linearization IS REQUIRED for %s packet. "
9552                    "num_frags %d  hlen %d  first_bd_sz %d\n",
9553                    (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9554                    skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9555
9556         return to_copy;
9557 }
9558 #endif
9559
9560 /* called with netif_tx_lock
9561  * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
9562  * netif_wake_queue()
9563  */
9564 static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9565 {
9566         struct bnx2x *bp = netdev_priv(dev);
9567         struct bnx2x_fastpath *fp;
9568         struct sw_tx_bd *tx_buf;
9569         struct eth_tx_bd *tx_bd;
9570         struct eth_tx_parse_bd *pbd = NULL;
9571         u16 pkt_prod, bd_prod;
9572         int nbd, fp_index;
9573         dma_addr_t mapping;
9574         u32 xmit_type = bnx2x_xmit_type(bp, skb);
9575         int vlan_off = (bp->e1hov ? 4 : 0);
9576         int i;
9577         u8 hlen = 0;
9578
9579 #ifdef BNX2X_STOP_ON_ERROR
9580         if (unlikely(bp->panic))
9581                 return NETDEV_TX_BUSY;
9582 #endif
9583
9584         fp_index = (smp_processor_id() % bp->num_queues);
9585         fp = &bp->fp[fp_index];
9586
9587         if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
9588                 bp->eth_stats.driver_xoff++,
9589                 netif_stop_queue(dev);
9590                 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9591                 return NETDEV_TX_BUSY;
9592         }
9593
9594         DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x  protocol %x  protocol(%x,%x)"
9595            "  gso type %x  xmit_type %x\n",
9596            skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9597            ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9598
9599 #if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3)
9600         /* First, check if we need to linearize the skb
9601            (due to FW restrictions) */
9602         if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9603                 /* Statistics of linearization */
9604                 bp->lin_cnt++;
9605                 if (skb_linearize(skb) != 0) {
9606                         DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9607                            "silently dropping this SKB\n");
9608                         dev_kfree_skb_any(skb);
9609                         return NETDEV_TX_OK;
9610                 }
9611         }
9612 #endif
9613
9614         /*
9615         Please read carefully. First we use one BD which we mark as start,
9616         then for TSO or xsum we have a parsing info BD,
9617         and only then we have the rest of the TSO BDs.
9618         (don't forget to mark the last one as last,
9619         and to unmap only AFTER you write to the BD ...)
9620         And above all, all pdb sizes are in words - NOT DWORDS!
9621         */
9622
9623         pkt_prod = fp->tx_pkt_prod++;
9624         bd_prod = TX_BD(fp->tx_bd_prod);
9625
9626         /* get a tx_buf and first BD */
9627         tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9628         tx_bd = &fp->tx_desc_ring[bd_prod];
9629
9630         tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9631         tx_bd->general_data = (UNICAST_ADDRESS <<
9632                                ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9633         /* header nbd */
9634         tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
9635
9636         /* remember the first BD of the packet */
9637         tx_buf->first_bd = fp->tx_bd_prod;
9638         tx_buf->skb = skb;
9639
9640         DP(NETIF_MSG_TX_QUEUED,
9641            "sending pkt %u @%p  next_idx %u  bd %u @%p\n",
9642            pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9643
9644 #ifdef BCM_VLAN
9645         if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb) &&
9646             (bp->flags & HW_VLAN_TX_FLAG)) {
9647                 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9648                 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
9649                 vlan_off += 4;
9650         } else
9651 #endif
9652                 tx_bd->vlan = cpu_to_le16(pkt_prod);
9653
9654         if (xmit_type) {
9655                 /* turn on parsing and get a BD */
9656                 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9657                 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9658
9659                 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9660         }
9661
9662         if (xmit_type & XMIT_CSUM) {
9663                 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9664
9665                 /* for now NS flag is not used in Linux */
9666                 pbd->global_data = (hlen |
9667                                     ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9668                                      ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9669
9670                 pbd->ip_hlen = (skb_transport_header(skb) -
9671                                 skb_network_header(skb)) / 2;
9672
9673                 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9674
9675                 pbd->total_hlen = cpu_to_le16(hlen);
9676                 hlen = hlen*2 - vlan_off;
9677
9678                 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9679
9680                 if (xmit_type & XMIT_CSUM_V4)
9681                         tx_bd->bd_flags.as_bitfield |=
9682                                                 ETH_TX_BD_FLAGS_IP_CSUM;
9683                 else
9684                         tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9685
9686                 if (xmit_type & XMIT_CSUM_TCP) {
9687                         pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9688
9689                 } else {
9690                         s8 fix = SKB_CS_OFF(skb); /* signed! */
9691
9692                         pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9693                         pbd->cs_offset = fix / 2;
9694
9695                         DP(NETIF_MSG_TX_QUEUED,
9696                            "hlen %d  offset %d  fix %d  csum before fix %x\n",
9697                            le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9698                            SKB_CS(skb));
9699
9700                         /* HW bug: fixup the CSUM */
9701                         pbd->tcp_pseudo_csum =
9702                                 bnx2x_csum_fix(skb_transport_header(skb),
9703                                                SKB_CS(skb), fix);
9704
9705                         DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9706                            pbd->tcp_pseudo_csum);
9707                 }
9708         }
9709
9710         mapping = pci_map_single(bp->pdev, skb->data,
9711                                  skb_headlen(skb), PCI_DMA_TODEVICE);
9712
9713         tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9714         tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9715         nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
9716         tx_bd->nbd = cpu_to_le16(nbd);
9717         tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9718
9719         DP(NETIF_MSG_TX_QUEUED, "first bd @%p  addr (%x:%x)  nbd %d"
9720            "  nbytes %d  flags %x  vlan %x\n",
9721            tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9722            le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9723            le16_to_cpu(tx_bd->vlan));
9724
9725         if (xmit_type & XMIT_GSO) {
9726
9727                 DP(NETIF_MSG_TX_QUEUED,
9728                    "TSO packet len %d  hlen %d  total len %d  tso size %d\n",
9729                    skb->len, hlen, skb_headlen(skb),
9730                    skb_shinfo(skb)->gso_size);
9731
9732                 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9733
9734                 if (unlikely(skb_headlen(skb) > hlen))
9735                         bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9736                                                  bd_prod, ++nbd);
9737
9738                 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9739                 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
9740                 pbd->tcp_flags = pbd_tcp_flags(skb);
9741
9742                 if (xmit_type & XMIT_GSO_V4) {
9743                         pbd->ip_id = swab16(ip_hdr(skb)->id);
9744                         pbd->tcp_pseudo_csum =
9745                                 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9746                                                           ip_hdr(skb)->daddr,
9747                                                           0, IPPROTO_TCP, 0));
9748
9749                 } else
9750                         pbd->tcp_pseudo_csum =
9751                                 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9752                                                         &ipv6_hdr(skb)->daddr,
9753                                                         0, IPPROTO_TCP, 0));
9754
9755                 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9756         }
9757
9758         for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9759                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
9760
9761                 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9762                 tx_bd = &fp->tx_desc_ring[bd_prod];
9763
9764                 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9765                                        frag->size, PCI_DMA_TODEVICE);
9766
9767                 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9768                 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9769                 tx_bd->nbytes = cpu_to_le16(frag->size);
9770                 tx_bd->vlan = cpu_to_le16(pkt_prod);
9771                 tx_bd->bd_flags.as_bitfield = 0;
9772
9773                 DP(NETIF_MSG_TX_QUEUED,
9774                    "frag %d  bd @%p  addr (%x:%x)  nbytes %d  flags %x\n",
9775                    i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9776                    le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
9777         }
9778
9779         /* now at last mark the BD as the last BD */
9780         tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9781
9782         DP(NETIF_MSG_TX_QUEUED, "last bd @%p  flags %x\n",
9783            tx_bd, tx_bd->bd_flags.as_bitfield);
9784
9785         bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9786
9787         /* now send a tx doorbell, counting the next BD
9788          * if the packet contains or ends with it
9789          */
9790         if (TX_BD_POFF(bd_prod) < nbd)
9791                 nbd++;
9792
9793         if (pbd)
9794                 DP(NETIF_MSG_TX_QUEUED,
9795                    "PBD @%p  ip_data %x  ip_hlen %u  ip_id %u  lso_mss %u"
9796                    "  tcp_flags %x  xsum %x  seq %u  hlen %u\n",
9797                    pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9798                    pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
9799                    pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
9800
9801         DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d  bd %u\n", nbd, bd_prod);
9802
9803         /*
9804          * Make sure that the BD data is updated before updating the producer
9805          * since FW might read the BD right after the producer is updated.
9806          * This is only applicable for weak-ordered memory model archs such
9807          * as IA-64. The following barrier is also mandatory since FW will
9808          * assumes packets must have BDs.
9809          */
9810         wmb();
9811
9812         fp->hw_tx_prods->bds_prod =
9813                 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
9814         mb(); /* FW restriction: must not reorder writing nbd and packets */
9815         fp->hw_tx_prods->packets_prod =
9816                 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
9817         DOORBELL(bp, FP_IDX(fp), 0);
9818
9819         mmiowb();
9820
9821         fp->tx_bd_prod += nbd;
9822         dev->trans_start = jiffies;
9823
9824         if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9825                 /* We want bnx2x_tx_int to "see" the updated tx_bd_prod
9826                    if we put Tx into XOFF state. */
9827                 smp_mb();
9828                 netif_stop_queue(dev);
9829                 bp->eth_stats.driver_xoff++;
9830                 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9831                         netif_wake_queue(dev);
9832         }
9833         fp->tx_pkt++;
9834
9835         return NETDEV_TX_OK;
9836 }
9837
9838 /* called with rtnl_lock */
9839 static int bnx2x_open(struct net_device *dev)
9840 {
9841         struct bnx2x *bp = netdev_priv(dev);
9842
9843         netif_carrier_off(dev);
9844
9845         bnx2x_set_power_state(bp, PCI_D0);
9846
9847         return bnx2x_nic_load(bp, LOAD_OPEN);
9848 }
9849
9850 /* called with rtnl_lock */
9851 static int bnx2x_close(struct net_device *dev)
9852 {
9853         struct bnx2x *bp = netdev_priv(dev);
9854
9855         /* Unload the driver, release IRQs */
9856         bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9857         if (atomic_read(&bp->pdev->enable_cnt) == 1)
9858                 if (!CHIP_REV_IS_SLOW(bp))
9859                         bnx2x_set_power_state(bp, PCI_D3hot);
9860
9861         return 0;
9862 }
9863
9864 /* called with netif_tx_lock from set_multicast */
9865 static void bnx2x_set_rx_mode(struct net_device *dev)
9866 {
9867         struct bnx2x *bp = netdev_priv(dev);
9868         u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9869         int port = BP_PORT(bp);
9870
9871         if (bp->state != BNX2X_STATE_OPEN) {
9872                 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9873                 return;
9874         }
9875
9876         DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9877
9878         if (dev->flags & IFF_PROMISC)
9879                 rx_mode = BNX2X_RX_MODE_PROMISC;
9880
9881         else if ((dev->flags & IFF_ALLMULTI) ||
9882                  ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9883                 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9884
9885         else { /* some multicasts */
9886                 if (CHIP_IS_E1(bp)) {
9887                         int i, old, offset;
9888                         struct dev_mc_list *mclist;
9889                         struct mac_configuration_cmd *config =
9890                                                 bnx2x_sp(bp, mcast_config);
9891
9892                         for (i = 0, mclist = dev->mc_list;
9893                              mclist && (i < dev->mc_count);
9894                              i++, mclist = mclist->next) {
9895
9896                                 config->config_table[i].
9897                                         cam_entry.msb_mac_addr =
9898                                         swab16(*(u16 *)&mclist->dmi_addr[0]);
9899                                 config->config_table[i].
9900                                         cam_entry.middle_mac_addr =
9901                                         swab16(*(u16 *)&mclist->dmi_addr[2]);
9902                                 config->config_table[i].
9903                                         cam_entry.lsb_mac_addr =
9904                                         swab16(*(u16 *)&mclist->dmi_addr[4]);
9905                                 config->config_table[i].cam_entry.flags =
9906                                                         cpu_to_le16(port);
9907                                 config->config_table[i].
9908                                         target_table_entry.flags = 0;
9909                                 config->config_table[i].
9910                                         target_table_entry.client_id = 0;
9911                                 config->config_table[i].
9912                                         target_table_entry.vlan_id = 0;
9913
9914                                 DP(NETIF_MSG_IFUP,
9915                                    "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9916                                    config->config_table[i].
9917                                                 cam_entry.msb_mac_addr,
9918                                    config->config_table[i].
9919                                                 cam_entry.middle_mac_addr,
9920                                    config->config_table[i].
9921                                                 cam_entry.lsb_mac_addr);
9922                         }
9923                         old = config->hdr.length_6b;
9924                         if (old > i) {
9925                                 for (; i < old; i++) {
9926                                         if (CAM_IS_INVALID(config->
9927                                                            config_table[i])) {
9928                                                 /* already invalidated */
9929                                                 break;
9930                                         }
9931                                         /* invalidate */
9932                                         CAM_INVALIDATE(config->
9933                                                        config_table[i]);
9934                                 }
9935                         }
9936
9937                         if (CHIP_REV_IS_SLOW(bp))
9938                                 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9939                         else
9940                                 offset = BNX2X_MAX_MULTICAST*(1 + port);
9941
9942                         config->hdr.length_6b = i;
9943                         config->hdr.offset = offset;
9944                         config->hdr.client_id = BP_CL_ID(bp);
9945                         config->hdr.reserved1 = 0;
9946
9947                         bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9948                                    U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9949                                    U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9950                                       0);
9951                 } else { /* E1H */
9952                         /* Accept one or more multicasts */
9953                         struct dev_mc_list *mclist;
9954                         u32 mc_filter[MC_HASH_SIZE];
9955                         u32 crc, bit, regidx;
9956                         int i;
9957
9958                         memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9959
9960                         for (i = 0, mclist = dev->mc_list;
9961                              mclist && (i < dev->mc_count);
9962                              i++, mclist = mclist->next) {
9963
9964                                 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
9965                                    mclist->dmi_addr);
9966
9967                                 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9968                                 bit = (crc >> 24) & 0xff;
9969                                 regidx = bit >> 5;
9970                                 bit &= 0x1f;
9971                                 mc_filter[regidx] |= (1 << bit);
9972                         }
9973
9974                         for (i = 0; i < MC_HASH_SIZE; i++)
9975                                 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9976                                        mc_filter[i]);
9977                 }
9978         }
9979
9980         bp->rx_mode = rx_mode;
9981         bnx2x_set_storm_rx_mode(bp);
9982 }
9983
9984 /* called with rtnl_lock */
9985 static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9986 {
9987         struct sockaddr *addr = p;
9988         struct bnx2x *bp = netdev_priv(dev);
9989
9990         if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
9991                 return -EINVAL;
9992
9993         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9994         if (netif_running(dev)) {
9995                 if (CHIP_IS_E1(bp))
9996                         bnx2x_set_mac_addr_e1(bp, 1);
9997                 else
9998                         bnx2x_set_mac_addr_e1h(bp, 1);
9999         }
10000
10001         return 0;
10002 }
10003
10004 /* called with rtnl_lock */
10005 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10006 {
10007         struct mii_ioctl_data *data = if_mii(ifr);
10008         struct bnx2x *bp = netdev_priv(dev);
10009         int port = BP_PORT(bp);
10010         int err;
10011
10012         switch (cmd) {
10013         case SIOCGMIIPHY:
10014                 data->phy_id = bp->port.phy_addr;
10015
10016                 /* fallthrough */
10017
10018         case SIOCGMIIREG: {
10019                 u16 mii_regval;
10020
10021                 if (!netif_running(dev))
10022                         return -EAGAIN;
10023
10024                 mutex_lock(&bp->port.phy_mutex);
10025                 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
10026                                       DEFAULT_PHY_DEV_ADDR,
10027                                       (data->reg_num & 0x1f), &mii_regval);
10028                 data->val_out = mii_regval;
10029                 mutex_unlock(&bp->port.phy_mutex);
10030                 return err;
10031         }
10032
10033         case SIOCSMIIREG:
10034                 if (!capable(CAP_NET_ADMIN))
10035                         return -EPERM;
10036
10037                 if (!netif_running(dev))
10038                         return -EAGAIN;
10039
10040                 mutex_lock(&bp->port.phy_mutex);
10041                 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
10042                                        DEFAULT_PHY_DEV_ADDR,
10043                                        (data->reg_num & 0x1f), data->val_in);
10044                 mutex_unlock(&bp->port.phy_mutex);
10045                 return err;
10046
10047         default:
10048                 /* do nothing */
10049                 break;
10050         }
10051
10052         return -EOPNOTSUPP;
10053 }
10054
10055 /* called with rtnl_lock */
10056 static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
10057 {
10058         struct bnx2x *bp = netdev_priv(dev);
10059         int rc = 0;
10060
10061         if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
10062             ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
10063                 return -EINVAL;
10064
10065         /* This does not race with packet allocation
10066          * because the actual alloc size is
10067          * only updated as part of load
10068          */
10069         dev->mtu = new_mtu;
10070
10071         if (netif_running(dev)) {
10072                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
10073                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
10074         }
10075
10076         return rc;
10077 }
10078
10079 static void bnx2x_tx_timeout(struct net_device *dev)
10080 {
10081         struct bnx2x *bp = netdev_priv(dev);
10082
10083 #ifdef BNX2X_STOP_ON_ERROR
10084         if (!bp->panic)
10085                 bnx2x_panic();
10086 #endif
10087         /* This allows the netif to be shutdown gracefully before resetting */
10088         schedule_work(&bp->reset_task);
10089 }
10090
10091 #ifdef BCM_VLAN
10092 /* called with rtnl_lock */
10093 static void bnx2x_vlan_rx_register(struct net_device *dev,
10094                                    struct vlan_group *vlgrp)
10095 {
10096         struct bnx2x *bp = netdev_priv(dev);
10097
10098         bp->vlgrp = vlgrp;
10099
10100         /* Set flags according to the required capabilities */
10101         bp->flags &= ~(HW_VLAN_RX_FLAG | HW_VLAN_TX_FLAG);
10102
10103         if (dev->features & NETIF_F_HW_VLAN_TX)
10104                 bp->flags |= HW_VLAN_TX_FLAG;
10105
10106         if (dev->features & NETIF_F_HW_VLAN_RX)
10107                 bp->flags |= HW_VLAN_RX_FLAG;
10108
10109         if (netif_running(dev))
10110                 bnx2x_set_client_config(bp);
10111 }
10112
10113 #endif
10114
10115 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10116 static void poll_bnx2x(struct net_device *dev)
10117 {
10118         struct bnx2x *bp = netdev_priv(dev);
10119
10120         disable_irq(bp->pdev->irq);
10121         bnx2x_interrupt(bp->pdev->irq, dev);
10122         enable_irq(bp->pdev->irq);
10123 }
10124 #endif
10125
10126 static const struct net_device_ops bnx2x_netdev_ops = {
10127         .ndo_open               = bnx2x_open,
10128         .ndo_stop               = bnx2x_close,
10129         .ndo_start_xmit         = bnx2x_start_xmit,
10130         .ndo_set_multicast_list = bnx2x_set_rx_mode,
10131         .ndo_set_mac_address    = bnx2x_change_mac_addr,
10132         .ndo_validate_addr      = eth_validate_addr,
10133         .ndo_do_ioctl           = bnx2x_ioctl,
10134         .ndo_change_mtu         = bnx2x_change_mtu,
10135         .ndo_tx_timeout         = bnx2x_tx_timeout,
10136 #ifdef BCM_VLAN
10137         .ndo_vlan_rx_register   = bnx2x_vlan_rx_register,
10138 #endif
10139 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10140         .ndo_poll_controller    = poll_bnx2x,
10141 #endif
10142 };
10143
10144
10145 static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10146                                     struct net_device *dev)
10147 {
10148         struct bnx2x *bp;
10149         int rc;
10150
10151         SET_NETDEV_DEV(dev, &pdev->dev);
10152         bp = netdev_priv(dev);
10153
10154         bp->dev = dev;
10155         bp->pdev = pdev;
10156         bp->flags = 0;
10157         bp->func = PCI_FUNC(pdev->devfn);
10158
10159         rc = pci_enable_device(pdev);
10160         if (rc) {
10161                 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10162                 goto err_out;
10163         }
10164
10165         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10166                 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10167                        " aborting\n");
10168                 rc = -ENODEV;
10169                 goto err_out_disable;
10170         }
10171
10172         if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10173                 printk(KERN_ERR PFX "Cannot find second PCI device"
10174                        " base address, aborting\n");
10175                 rc = -ENODEV;
10176                 goto err_out_disable;
10177         }
10178
10179         if (atomic_read(&pdev->enable_cnt) == 1) {
10180                 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10181                 if (rc) {
10182                         printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10183                                " aborting\n");
10184                         goto err_out_disable;
10185                 }
10186
10187                 pci_set_master(pdev);
10188                 pci_save_state(pdev);
10189         }
10190
10191         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10192         if (bp->pm_cap == 0) {
10193                 printk(KERN_ERR PFX "Cannot find power management"
10194                        " capability, aborting\n");
10195                 rc = -EIO;
10196                 goto err_out_release;
10197         }
10198
10199         bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10200         if (bp->pcie_cap == 0) {
10201                 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10202                        " aborting\n");
10203                 rc = -EIO;
10204                 goto err_out_release;
10205         }
10206
10207         if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10208                 bp->flags |= USING_DAC_FLAG;
10209                 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10210                         printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10211                                " failed, aborting\n");
10212                         rc = -EIO;
10213                         goto err_out_release;
10214                 }
10215
10216         } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10217                 printk(KERN_ERR PFX "System does not support DMA,"
10218                        " aborting\n");
10219                 rc = -EIO;
10220                 goto err_out_release;
10221         }
10222
10223         dev->mem_start = pci_resource_start(pdev, 0);
10224         dev->base_addr = dev->mem_start;
10225         dev->mem_end = pci_resource_end(pdev, 0);
10226
10227         dev->irq = pdev->irq;
10228
10229         bp->regview = pci_ioremap_bar(pdev, 0);
10230         if (!bp->regview) {
10231                 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10232                 rc = -ENOMEM;
10233                 goto err_out_release;
10234         }
10235
10236         bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10237                                         min_t(u64, BNX2X_DB_SIZE,
10238                                               pci_resource_len(pdev, 2)));
10239         if (!bp->doorbells) {
10240                 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10241                 rc = -ENOMEM;
10242                 goto err_out_unmap;
10243         }
10244
10245         bnx2x_set_power_state(bp, PCI_D0);
10246
10247         /* clean indirect addresses */
10248         pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10249                                PCICFG_VENDOR_ID_OFFSET);
10250         REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10251         REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10252         REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10253         REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
10254
10255         dev->watchdog_timeo = TX_TIMEOUT;
10256
10257         dev->netdev_ops = &bnx2x_netdev_ops;
10258         dev->ethtool_ops = &bnx2x_ethtool_ops;
10259         dev->features |= NETIF_F_SG;
10260         dev->features |= NETIF_F_HW_CSUM;
10261         if (bp->flags & USING_DAC_FLAG)
10262                 dev->features |= NETIF_F_HIGHDMA;
10263 #ifdef BCM_VLAN
10264         dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10265         bp->flags |= (HW_VLAN_RX_FLAG | HW_VLAN_TX_FLAG);
10266 #endif
10267         dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
10268         dev->features |= NETIF_F_TSO6;
10269
10270         return 0;
10271
10272 err_out_unmap:
10273         if (bp->regview) {
10274                 iounmap(bp->regview);
10275                 bp->regview = NULL;
10276         }
10277         if (bp->doorbells) {
10278                 iounmap(bp->doorbells);
10279                 bp->doorbells = NULL;
10280         }
10281
10282 err_out_release:
10283         if (atomic_read(&pdev->enable_cnt) == 1)
10284                 pci_release_regions(pdev);
10285
10286 err_out_disable:
10287         pci_disable_device(pdev);
10288         pci_set_drvdata(pdev, NULL);
10289
10290 err_out:
10291         return rc;
10292 }
10293
10294 static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10295 {
10296         u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10297
10298         val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10299         return val;
10300 }
10301
10302 /* return value of 1=2.5GHz 2=5GHz */
10303 static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10304 {
10305         u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10306
10307         val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10308         return val;
10309 }
10310
10311 static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10312                                     const struct pci_device_id *ent)
10313 {
10314         static int version_printed;
10315         struct net_device *dev = NULL;
10316         struct bnx2x *bp;
10317         int rc;
10318
10319         if (version_printed++ == 0)
10320                 printk(KERN_INFO "%s", version);
10321
10322         /* dev zeroed in init_etherdev */
10323         dev = alloc_etherdev(sizeof(*bp));
10324         if (!dev) {
10325                 printk(KERN_ERR PFX "Cannot allocate net device\n");
10326                 return -ENOMEM;
10327         }
10328
10329         bp = netdev_priv(dev);
10330         bp->msglevel = debug;
10331
10332         rc = bnx2x_init_dev(pdev, dev);
10333         if (rc < 0) {
10334                 free_netdev(dev);
10335                 return rc;
10336         }
10337
10338         pci_set_drvdata(pdev, dev);
10339
10340         rc = bnx2x_init_bp(bp);
10341         if (rc)
10342                 goto init_one_exit;
10343
10344         rc = register_netdev(dev);
10345         if (rc) {
10346                 dev_err(&pdev->dev, "Cannot register net device\n");
10347                 goto init_one_exit;
10348         }
10349
10350         bp->common.name = board_info[ent->driver_data].name;
10351         printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
10352                " IRQ %d, ", dev->name, bp->common.name,
10353                (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
10354                bnx2x_get_pcie_width(bp),
10355                (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10356                dev->base_addr, bp->pdev->irq);
10357         printk(KERN_CONT "node addr %pM\n", dev->dev_addr);
10358         return 0;
10359
10360 init_one_exit:
10361         if (bp->regview)
10362                 iounmap(bp->regview);
10363
10364         if (bp->doorbells)
10365                 iounmap(bp->doorbells);
10366
10367         free_netdev(dev);
10368
10369         if (atomic_read(&pdev->enable_cnt) == 1)
10370                 pci_release_regions(pdev);
10371
10372         pci_disable_device(pdev);
10373         pci_set_drvdata(pdev, NULL);
10374
10375         return rc;
10376 }
10377
10378 static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10379 {
10380         struct net_device *dev = pci_get_drvdata(pdev);
10381         struct bnx2x *bp;
10382
10383         if (!dev) {
10384                 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10385                 return;
10386         }
10387         bp = netdev_priv(dev);
10388
10389         unregister_netdev(dev);
10390
10391         if (bp->regview)
10392                 iounmap(bp->regview);
10393
10394         if (bp->doorbells)
10395                 iounmap(bp->doorbells);
10396
10397         free_netdev(dev);
10398
10399         if (atomic_read(&pdev->enable_cnt) == 1)
10400                 pci_release_regions(pdev);
10401
10402         pci_disable_device(pdev);
10403         pci_set_drvdata(pdev, NULL);
10404 }
10405
10406 static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10407 {
10408         struct net_device *dev = pci_get_drvdata(pdev);
10409         struct bnx2x *bp;
10410
10411         if (!dev) {
10412                 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10413                 return -ENODEV;
10414         }
10415         bp = netdev_priv(dev);
10416
10417         rtnl_lock();
10418
10419         pci_save_state(pdev);
10420
10421         if (!netif_running(dev)) {
10422                 rtnl_unlock();
10423                 return 0;
10424         }
10425
10426         netif_device_detach(dev);
10427
10428         bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10429
10430         bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
10431
10432         rtnl_unlock();
10433
10434         return 0;
10435 }
10436
10437 static int bnx2x_resume(struct pci_dev *pdev)
10438 {
10439         struct net_device *dev = pci_get_drvdata(pdev);
10440         struct bnx2x *bp;
10441         int rc;
10442
10443         if (!dev) {
10444                 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10445                 return -ENODEV;
10446         }
10447         bp = netdev_priv(dev);
10448
10449         rtnl_lock();
10450
10451         pci_restore_state(pdev);
10452
10453         if (!netif_running(dev)) {
10454                 rtnl_unlock();
10455                 return 0;
10456         }
10457
10458         bnx2x_set_power_state(bp, PCI_D0);
10459         netif_device_attach(dev);
10460
10461         rc = bnx2x_nic_load(bp, LOAD_OPEN);
10462
10463         rtnl_unlock();
10464
10465         return rc;
10466 }
10467
10468 static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
10469 {
10470         int i;
10471
10472         bp->state = BNX2X_STATE_ERROR;
10473
10474         bp->rx_mode = BNX2X_RX_MODE_NONE;
10475
10476         bnx2x_netif_stop(bp, 0);
10477
10478         del_timer_sync(&bp->timer);
10479         bp->stats_state = STATS_STATE_DISABLED;
10480         DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
10481
10482         /* Release IRQs */
10483         bnx2x_free_irq(bp);
10484
10485         if (CHIP_IS_E1(bp)) {
10486                 struct mac_configuration_cmd *config =
10487                                                 bnx2x_sp(bp, mcast_config);
10488
10489                 for (i = 0; i < config->hdr.length_6b; i++)
10490                         CAM_INVALIDATE(config->config_table[i]);
10491         }
10492
10493         /* Free SKBs, SGEs, TPA pool and driver internals */
10494         bnx2x_free_skbs(bp);
10495         for_each_queue(bp, i)
10496                 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
10497         for_each_queue(bp, i)
10498                 netif_napi_del(&bnx2x_fp(bp, i, napi));
10499         bnx2x_free_mem(bp);
10500
10501         bp->state = BNX2X_STATE_CLOSED;
10502
10503         netif_carrier_off(bp->dev);
10504
10505         return 0;
10506 }
10507
10508 static void bnx2x_eeh_recover(struct bnx2x *bp)
10509 {
10510         u32 val;
10511
10512         mutex_init(&bp->port.phy_mutex);
10513
10514         bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
10515         bp->link_params.shmem_base = bp->common.shmem_base;
10516         BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
10517
10518         if (!bp->common.shmem_base ||
10519             (bp->common.shmem_base < 0xA0000) ||
10520             (bp->common.shmem_base >= 0xC0000)) {
10521                 BNX2X_DEV_INFO("MCP not active\n");
10522                 bp->flags |= NO_MCP_FLAG;
10523                 return;
10524         }
10525
10526         val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
10527         if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10528                 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10529                 BNX2X_ERR("BAD MCP validity signature\n");
10530
10531         if (!BP_NOMCP(bp)) {
10532                 bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
10533                               & DRV_MSG_SEQ_NUMBER_MASK);
10534                 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10535         }
10536 }
10537
10538 /**
10539  * bnx2x_io_error_detected - called when PCI error is detected
10540  * @pdev: Pointer to PCI device
10541  * @state: The current pci connection state
10542  *
10543  * This function is called after a PCI bus error affecting
10544  * this device has been detected.
10545  */
10546 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10547                                                 pci_channel_state_t state)
10548 {
10549         struct net_device *dev = pci_get_drvdata(pdev);
10550         struct bnx2x *bp = netdev_priv(dev);
10551
10552         rtnl_lock();
10553
10554         netif_device_detach(dev);
10555
10556         if (netif_running(dev))
10557                 bnx2x_eeh_nic_unload(bp);
10558
10559         pci_disable_device(pdev);
10560
10561         rtnl_unlock();
10562
10563         /* Request a slot reset */
10564         return PCI_ERS_RESULT_NEED_RESET;
10565 }
10566
10567 /**
10568  * bnx2x_io_slot_reset - called after the PCI bus has been reset
10569  * @pdev: Pointer to PCI device
10570  *
10571  * Restart the card from scratch, as if from a cold-boot.
10572  */
10573 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10574 {
10575         struct net_device *dev = pci_get_drvdata(pdev);
10576         struct bnx2x *bp = netdev_priv(dev);
10577
10578         rtnl_lock();
10579
10580         if (pci_enable_device(pdev)) {
10581                 dev_err(&pdev->dev,
10582                         "Cannot re-enable PCI device after reset\n");
10583                 rtnl_unlock();
10584                 return PCI_ERS_RESULT_DISCONNECT;
10585         }
10586
10587         pci_set_master(pdev);
10588         pci_restore_state(pdev);
10589
10590         if (netif_running(dev))
10591                 bnx2x_set_power_state(bp, PCI_D0);
10592
10593         rtnl_unlock();
10594
10595         return PCI_ERS_RESULT_RECOVERED;
10596 }
10597
10598 /**
10599  * bnx2x_io_resume - called when traffic can start flowing again
10600  * @pdev: Pointer to PCI device
10601  *
10602  * This callback is called when the error recovery driver tells us that
10603  * its OK to resume normal operation.
10604  */
10605 static void bnx2x_io_resume(struct pci_dev *pdev)
10606 {
10607         struct net_device *dev = pci_get_drvdata(pdev);
10608         struct bnx2x *bp = netdev_priv(dev);
10609
10610         rtnl_lock();
10611
10612         bnx2x_eeh_recover(bp);
10613
10614         if (netif_running(dev))
10615                 bnx2x_nic_load(bp, LOAD_NORMAL);
10616
10617         netif_device_attach(dev);
10618
10619         rtnl_unlock();
10620 }
10621
10622 static struct pci_error_handlers bnx2x_err_handler = {
10623         .error_detected = bnx2x_io_error_detected,
10624         .slot_reset = bnx2x_io_slot_reset,
10625         .resume = bnx2x_io_resume,
10626 };
10627
10628 static struct pci_driver bnx2x_pci_driver = {
10629         .name        = DRV_MODULE_NAME,
10630         .id_table    = bnx2x_pci_tbl,
10631         .probe       = bnx2x_init_one,
10632         .remove      = __devexit_p(bnx2x_remove_one),
10633         .suspend     = bnx2x_suspend,
10634         .resume      = bnx2x_resume,
10635         .err_handler = &bnx2x_err_handler,
10636 };
10637
10638 static int __init bnx2x_init(void)
10639 {
10640         bnx2x_wq = create_singlethread_workqueue("bnx2x");
10641         if (bnx2x_wq == NULL) {
10642                 printk(KERN_ERR PFX "Cannot create workqueue\n");
10643                 return -ENOMEM;
10644         }
10645
10646         return pci_register_driver(&bnx2x_pci_driver);
10647 }
10648
10649 static void __exit bnx2x_cleanup(void)
10650 {
10651         pci_unregister_driver(&bnx2x_pci_driver);
10652
10653         destroy_workqueue(bnx2x_wq);
10654 }
10655
10656 module_init(bnx2x_init);
10657 module_exit(bnx2x_cleanup);
10658