SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/net/bnx2.c

   1 /* bnx2.c: Broadcom NX2 network driver.
   2  *
   3  * Copyright (c) 2004-2008 Broadcom Corporation
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation.
   8  *
   9  * Written by: Michael Chan  (mchan@broadcom.com)
  10  */
  11
  12
  13 #include <linux/module.h>
  14 #include <linux/moduleparam.h>
  15
  16 #include <linux/kernel.h>
  17 #include <linux/timer.h>
  18 #include <linux/errno.h>
  19 #include <linux/ioport.h>
  20 #include <linux/slab.h>
  21 #include <linux/vmalloc.h>
  22 #include <linux/interrupt.h>
  23 #include <linux/pci.h>
  24 #include <linux/init.h>
  25 #include <linux/netdevice.h>
  26 #include <linux/etherdevice.h>
  27 #include <linux/skbuff.h>
  28 #include <linux/dma-mapping.h>
  29 #include <linux/bitops.h>
  30 #include <asm/io.h>
  31 #include <asm/irq.h>
  32 #include <linux/delay.h>
  33 #include <asm/byteorder.h>
  34 #include <asm/page.h>
  35 #include <linux/time.h>
  36 #include <linux/ethtool.h>
  37 #include <linux/mii.h>
  38 #ifdef NETIF_F_HW_VLAN_TX
  39 #include <linux/if_vlan.h>
  40 #define BCM_VLAN 1
  41 #endif
  42 #include <net/ip.h>
  43 #include <net/tcp.h>
  44 #include <net/checksum.h>
  45 #include <linux/workqueue.h>
  46 #include <linux/crc32.h>
  47 #include <linux/prefetch.h>
  48 #include <linux/cache.h>
  49 #include <linux/zlib.h>
  50
  51 #include "bnx2.h"
  52 #include "bnx2_fw.h"
  53 #include "bnx2_fw2.h"
  54
  55 #define FW_BUF_SIZE             0x10000
  56
  57 #define DRV_MODULE_NAME         "bnx2"
  58 #define PFX DRV_MODULE_NAME     ": "
  59 #define DRV_MODULE_VERSION      "1.7.6"
  60 #define DRV_MODULE_RELDATE      "May 16, 2008"
  61
  62 #define RUN_AT(x) (jiffies + (x))
  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 Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  69
  70 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
  71 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
  72 MODULE_LICENSE("GPL");
  73 MODULE_VERSION(DRV_MODULE_VERSION);
  74
  75 static int disable_msi = 0;
  76
  77 module_param(disable_msi, int, 0);
  78 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
  79
  80 typedef enum {
  81         BCM5706 = 0,
  82         NC370T,
  83         NC370I,
  84         BCM5706S,
  85         NC370F,
  86         BCM5708,
  87         BCM5708S,
  88         BCM5709,
  89         BCM5709S,
  90 } board_t;
  91
  92 /* indexed by board_t, above */
  93 static struct {
  94         char *name;
  95 } board_info[] __devinitdata = {
  96         { "Broadcom NetXtreme II BCM5706 1000Base-T" },
  97         { "HP NC370T Multifunction Gigabit Server Adapter" },
  98         { "HP NC370i Multifunction Gigabit Server Adapter" },
  99         { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
 100         { "HP NC370F Multifunction Gigabit Server Adapter" },
 101         { "Broadcom NetXtreme II BCM5708 1000Base-T" },
 102         { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
 103         { "Broadcom NetXtreme II BCM5709 1000Base-T" },
 104         { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
 105         };
 106
 107 static struct pci_device_id bnx2_pci_tbl[] = {
 108         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
 109           PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
 110         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
 111           PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
 112         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
 113           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
 114         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
 115           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
 116         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
 117           PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
 118         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
 119           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
 120         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
 121           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
 122         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
 123           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
 124         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
 125           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
 126         { 0, }
 127 };
 128
 129 static struct flash_spec flash_table[] =
 130 {
 131 #define BUFFERED_FLAGS          (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
 132 #define NONBUFFERED_FLAGS       (BNX2_NV_WREN)
 133         /* Slow EEPROM */
 134         {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
 135          BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
 136          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
 137          "EEPROM - slow"},
 138         /* Expansion entry 0001 */
 139         {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
 140          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 141          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 142          "Entry 0001"},
 143         /* Saifun SA25F010 (non-buffered flash) */
 144         /* strap, cfg1, & write1 need updates */
 145         {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
 146          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 147          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
 148          "Non-buffered flash (128kB)"},
 149         /* Saifun SA25F020 (non-buffered flash) */
 150         /* strap, cfg1, & write1 need updates */
 151         {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
 152          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 153          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
 154          "Non-buffered flash (256kB)"},
 155         /* Expansion entry 0100 */
 156         {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
 157          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 158          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 159          "Entry 0100"},
 160         /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
 161         {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
 162          NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
 163          ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
 164          "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
 165         /* Entry 0110: ST M45PE20 (non-buffered flash)*/
 166         {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
 167          NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
 168          ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
 169          "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
 170         /* Saifun SA25F005 (non-buffered flash) */
 171         /* strap, cfg1, & write1 need updates */
 172         {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
 173          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 174          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
 175          "Non-buffered flash (64kB)"},
 176         /* Fast EEPROM */
 177         {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
 178          BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
 179          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
 180          "EEPROM - fast"},
 181         /* Expansion entry 1001 */
 182         {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
 183          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 184          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 185          "Entry 1001"},
 186         /* Expansion entry 1010 */
 187         {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
 188          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 189          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 190          "Entry 1010"},
 191         /* ATMEL AT45DB011B (buffered flash) */
 192         {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
 193          BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 194          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
 195          "Buffered flash (128kB)"},
 196         /* Expansion entry 1100 */
 197         {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
 198          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 199          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 200          "Entry 1100"},
 201         /* Expansion entry 1101 */
 202         {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
 203          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 204          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 205          "Entry 1101"},
 206         /* Ateml Expansion entry 1110 */
 207         {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
 208          BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 209          BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
 210          "Entry 1110 (Atmel)"},
 211         /* ATMEL AT45DB021B (buffered flash) */
 212         {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
 213          BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 214          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
 215          "Buffered flash (256kB)"},
 216 };
 217
 218 static struct flash_spec flash_5709 = {
 219         .flags          = BNX2_NV_BUFFERED,
 220         .page_bits      = BCM5709_FLASH_PAGE_BITS,
 221         .page_size      = BCM5709_FLASH_PAGE_SIZE,
 222         .addr_mask      = BCM5709_FLASH_BYTE_ADDR_MASK,
 223         .total_size     = BUFFERED_FLASH_TOTAL_SIZE*2,
 224         .name           = "5709 Buffered flash (256kB)",
 225 };
 226
 227 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
 228
 229 static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_napi *bnapi)
 230 {
 231         u32 diff;
 232
 233         smp_mb();
 234
 235         /* The ring uses 256 indices for 255 entries, one of them
 236          * needs to be skipped.
 237          */
 238         diff = bp->tx_prod - bnapi->tx_cons;
 239         if (unlikely(diff >= TX_DESC_CNT)) {
 240                 diff &= 0xffff;
 241                 if (diff == TX_DESC_CNT)
 242                         diff = MAX_TX_DESC_CNT;
 243         }
 244         return (bp->tx_ring_size - diff);
 245 }
 246
 247 static u32
 248 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
 249 {
 250         u32 val;
 251
 252         spin_lock_bh(&bp->indirect_lock);
 253         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
 254         val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
 255         spin_unlock_bh(&bp->indirect_lock);
 256         return val;
 257 }
 258
 259 static void
 260 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
 261 {
 262         spin_lock_bh(&bp->indirect_lock);
 263         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
 264         REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
 265         spin_unlock_bh(&bp->indirect_lock);
 266 }
 267
 268 static void
 269 bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
 270 {
 271         bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
 272 }
 273
 274 static u32
 275 bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
 276 {
 277         return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
 278 }
 279
 280 static void
 281 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
 282 {
 283         offset += cid_addr;
 284         spin_lock_bh(&bp->indirect_lock);
 285         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
 286                 int i;
 287
 288                 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
 289                 REG_WR(bp, BNX2_CTX_CTX_CTRL,
 290                        offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
 291                 for (i = 0; i < 5; i++) {
 292                         u32 val;
 293                         val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
 294                         if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
 295                                 break;
 296                         udelay(5);
 297                 }
 298         } else {
 299                 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
 300                 REG_WR(bp, BNX2_CTX_DATA, val);
 301         }
 302         spin_unlock_bh(&bp->indirect_lock);
 303 }
 304
 305 static int
 306 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
 307 {
 308         u32 val1;
 309         int i, ret;
 310
 311         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
 312                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 313                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 314
 315                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 316                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 317
 318                 udelay(40);
 319         }
 320
 321         val1 = (bp->phy_addr << 21) | (reg << 16) |
 322                 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
 323                 BNX2_EMAC_MDIO_COMM_START_BUSY;
 324         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
 325
 326         for (i = 0; i < 50; i++) {
 327                 udelay(10);
 328
 329                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 330                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
 331                         udelay(5);
 332
 333                         val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 334                         val1 &= BNX2_EMAC_MDIO_COMM_DATA;
 335
 336                         break;
 337                 }
 338         }
 339
 340         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
 341                 *val = 0x0;
 342                 ret = -EBUSY;
 343         }
 344         else {
 345                 *val = val1;
 346                 ret = 0;
 347         }
 348
 349         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
 350                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 351                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 352
 353                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 354                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 355
 356                 udelay(40);
 357         }
 358
 359         return ret;
 360 }
 361
 362 static int
 363 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
 364 {
 365         u32 val1;
 366         int i, ret;
 367
 368         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
 369                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 370                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 371
 372                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 373                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 374
 375                 udelay(40);
 376         }
 377
 378         val1 = (bp->phy_addr << 21) | (reg << 16) | val |
 379                 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
 380                 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
 381         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
 382
 383         for (i = 0; i < 50; i++) {
 384                 udelay(10);
 385
 386                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 387                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
 388                         udelay(5);
 389                         break;
 390                 }
 391         }
 392
 393         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
 394                 ret = -EBUSY;
 395         else
 396                 ret = 0;
 397
 398         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
 399                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 400                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 401
 402                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 403                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 404
 405                 udelay(40);
 406         }
 407
 408         return ret;
 409 }
 410
 411 static void
 412 bnx2_disable_int(struct bnx2 *bp)
 413 {
 414         int i;
 415         struct bnx2_napi *bnapi;
 416
 417         for (i = 0; i < bp->irq_nvecs; i++) {
 418                 bnapi = &bp->bnx2_napi[i];
 419                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
 420                        BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
 421         }
 422         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
 423 }
 424
 425 static void
 426 bnx2_enable_int(struct bnx2 *bp)
 427 {
 428         int i;
 429         struct bnx2_napi *bnapi;
 430
 431         for (i = 0; i < bp->irq_nvecs; i++) {
 432                 bnapi = &bp->bnx2_napi[i];
 433
 434                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
 435                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
 436                        BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
 437                        bnapi->last_status_idx);
 438
 439                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
 440                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
 441                        bnapi->last_status_idx);
 442         }
 443         REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
 444 }
 445
 446 static void
 447 bnx2_disable_int_sync(struct bnx2 *bp)
 448 {
 449         int i;
 450
 451         atomic_inc(&bp->intr_sem);
 452         bnx2_disable_int(bp);
 453         for (i = 0; i < bp->irq_nvecs; i++)
 454                 synchronize_irq(bp->irq_tbl[i].vector);
 455 }
 456
 457 static void
 458 bnx2_napi_disable(struct bnx2 *bp)
 459 {
 460         int i;
 461
 462         for (i = 0; i < bp->irq_nvecs; i++)
 463                 napi_disable(&bp->bnx2_napi[i].napi);
 464 }
 465
 466 static void
 467 bnx2_napi_enable(struct bnx2 *bp)
 468 {
 469         int i;
 470
 471         for (i = 0; i < bp->irq_nvecs; i++)
 472                 napi_enable(&bp->bnx2_napi[i].napi);
 473 }
 474
 475 static void
 476 bnx2_netif_stop(struct bnx2 *bp)
 477 {
 478         bnx2_disable_int_sync(bp);
 479         if (netif_running(bp->dev)) {
 480                 bnx2_napi_disable(bp);
 481                 netif_tx_disable(bp->dev);
 482                 bp->dev->trans_start = jiffies; /* prevent tx timeout */
 483         }
 484 }
 485
 486 static void
 487 bnx2_netif_start(struct bnx2 *bp)
 488 {
 489         if (atomic_dec_and_test(&bp->intr_sem)) {
 490                 if (netif_running(bp->dev)) {
 491                         netif_wake_queue(bp->dev);
 492                         bnx2_napi_enable(bp);
 493                         bnx2_enable_int(bp);
 494                 }
 495         }
 496 }
 497
 498 static void
 499 bnx2_free_mem(struct bnx2 *bp)
 500 {
 501         int i;
 502
 503         for (i = 0; i < bp->ctx_pages; i++) {
 504                 if (bp->ctx_blk[i]) {
 505                         pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
 506                                             bp->ctx_blk[i],
 507                                             bp->ctx_blk_mapping[i]);
 508                         bp->ctx_blk[i] = NULL;
 509                 }
 510         }
 511         if (bp->status_blk) {
 512                 pci_free_consistent(bp->pdev, bp->status_stats_size,
 513                                     bp->status_blk, bp->status_blk_mapping);
 514                 bp->status_blk = NULL;
 515                 bp->stats_blk = NULL;
 516         }
 517         if (bp->tx_desc_ring) {
 518                 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
 519                                     bp->tx_desc_ring, bp->tx_desc_mapping);
 520                 bp->tx_desc_ring = NULL;
 521         }
 522         kfree(bp->tx_buf_ring);
 523         bp->tx_buf_ring = NULL;
 524         for (i = 0; i < bp->rx_max_ring; i++) {
 525                 if (bp->rx_desc_ring[i])
 526                         pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
 527                                             bp->rx_desc_ring[i],
 528                                             bp->rx_desc_mapping[i]);
 529                 bp->rx_desc_ring[i] = NULL;
 530         }
 531         vfree(bp->rx_buf_ring);
 532         bp->rx_buf_ring = NULL;
 533         for (i = 0; i < bp->rx_max_pg_ring; i++) {
 534                 if (bp->rx_pg_desc_ring[i])
 535                         pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
 536                                             bp->rx_pg_desc_ring[i],
 537                                             bp->rx_pg_desc_mapping[i]);
 538                 bp->rx_pg_desc_ring[i] = NULL;
 539         }
 540         if (bp->rx_pg_ring)
 541                 vfree(bp->rx_pg_ring);
 542         bp->rx_pg_ring = NULL;
 543 }
 544
 545 static int
 546 bnx2_alloc_mem(struct bnx2 *bp)
 547 {
 548         int i, status_blk_size;
 549
 550         bp->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
 551         if (bp->tx_buf_ring == NULL)
 552                 return -ENOMEM;
 553
 554         bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
 555                                                 &bp->tx_desc_mapping);
 556         if (bp->tx_desc_ring == NULL)
 557                 goto alloc_mem_err;
 558
 559         bp->rx_buf_ring = vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
 560         if (bp->rx_buf_ring == NULL)
 561                 goto alloc_mem_err;
 562
 563         memset(bp->rx_buf_ring, 0, SW_RXBD_RING_SIZE * bp->rx_max_ring);
 564
 565         for (i = 0; i < bp->rx_max_ring; i++) {
 566                 bp->rx_desc_ring[i] =
 567                         pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
 568                                              &bp->rx_desc_mapping[i]);
 569                 if (bp->rx_desc_ring[i] == NULL)
 570                         goto alloc_mem_err;
 571
 572         }
 573
 574         if (bp->rx_pg_ring_size) {
 575                 bp->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
 576                                          bp->rx_max_pg_ring);
 577                 if (bp->rx_pg_ring == NULL)
 578                         goto alloc_mem_err;
 579
 580                 memset(bp->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
 581                        bp->rx_max_pg_ring);
 582         }
 583
 584         for (i = 0; i < bp->rx_max_pg_ring; i++) {
 585                 bp->rx_pg_desc_ring[i] =
 586                         pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
 587                                              &bp->rx_pg_desc_mapping[i]);
 588                 if (bp->rx_pg_desc_ring[i] == NULL)
 589                         goto alloc_mem_err;
 590
 591         }
 592
 593         /* Combine status and statistics blocks into one allocation. */
 594         status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
 595         if (bp->flags & BNX2_FLAG_MSIX_CAP)
 596                 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
 597                                                  BNX2_SBLK_MSIX_ALIGN_SIZE);
 598         bp->status_stats_size = status_blk_size +
 599                                 sizeof(struct statistics_block);
 600
 601         bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
 602                                               &bp->status_blk_mapping);
 603         if (bp->status_blk == NULL)
 604                 goto alloc_mem_err;
 605
 606         memset(bp->status_blk, 0, bp->status_stats_size);
 607
 608         bp->bnx2_napi[0].status_blk = bp->status_blk;
 609         if (bp->flags & BNX2_FLAG_MSIX_CAP) {
 610                 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
 611                         struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
 612
 613                         bnapi->status_blk_msix = (void *)
 614                                 ((unsigned long) bp->status_blk +
 615                                  BNX2_SBLK_MSIX_ALIGN_SIZE * i);
 616                         bnapi->int_num = i << 24;
 617                 }
 618         }
 619
 620         bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
 621                                   status_blk_size);
 622
 623         bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
 624
 625         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
 626                 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
 627                 if (bp->ctx_pages == 0)
 628                         bp->ctx_pages = 1;
 629                 for (i = 0; i < bp->ctx_pages; i++) {
 630                         bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
 631                                                 BCM_PAGE_SIZE,
 632                                                 &bp->ctx_blk_mapping[i]);
 633                         if (bp->ctx_blk[i] == NULL)
 634                                 goto alloc_mem_err;
 635                 }
 636         }
 637         return 0;
 638
 639 alloc_mem_err:
 640         bnx2_free_mem(bp);
 641         return -ENOMEM;
 642 }
 643
 644 static void
 645 bnx2_report_fw_link(struct bnx2 *bp)
 646 {
 647         u32 fw_link_status = 0;
 648
 649         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
 650                 return;
 651
 652         if (bp->link_up) {
 653                 u32 bmsr;
 654
 655                 switch (bp->line_speed) {
 656                 case SPEED_10:
 657                         if (bp->duplex == DUPLEX_HALF)
 658                                 fw_link_status = BNX2_LINK_STATUS_10HALF;
 659                         else
 660                                 fw_link_status = BNX2_LINK_STATUS_10FULL;
 661                         break;
 662                 case SPEED_100:
 663                         if (bp->duplex == DUPLEX_HALF)
 664                                 fw_link_status = BNX2_LINK_STATUS_100HALF;
 665                         else
 666                                 fw_link_status = BNX2_LINK_STATUS_100FULL;
 667                         break;
 668                 case SPEED_1000:
 669                         if (bp->duplex == DUPLEX_HALF)
 670                                 fw_link_status = BNX2_LINK_STATUS_1000HALF;
 671                         else
 672                                 fw_link_status = BNX2_LINK_STATUS_1000FULL;
 673                         break;
 674                 case SPEED_2500:
 675                         if (bp->duplex == DUPLEX_HALF)
 676                                 fw_link_status = BNX2_LINK_STATUS_2500HALF;
 677                         else
 678                                 fw_link_status = BNX2_LINK_STATUS_2500FULL;
 679                         break;
 680                 }
 681
 682                 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
 683
 684                 if (bp->autoneg) {
 685                         fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
 686
 687                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
 688                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
 689
 690                         if (!(bmsr & BMSR_ANEGCOMPLETE) ||
 691                             bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
 692                                 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
 693                         else
 694                                 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
 695                 }
 696         }
 697         else
 698                 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
 699
 700         bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
 701 }
 702
 703 static char *
 704 bnx2_xceiver_str(struct bnx2 *bp)
 705 {
 706         return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
 707                 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
 708                  "Copper"));
 709 }
 710
 711 static void
 712 bnx2_report_link(struct bnx2 *bp)
 713 {
 714         if (bp->link_up) {
 715                 netif_carrier_on(bp->dev);
 716                 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
 717                        bnx2_xceiver_str(bp));
 718
 719                 printk("%d Mbps ", bp->line_speed);
 720
 721                 if (bp->duplex == DUPLEX_FULL)
 722                         printk("full duplex");
 723                 else
 724                         printk("half duplex");
 725
 726                 if (bp->flow_ctrl) {
 727                         if (bp->flow_ctrl & FLOW_CTRL_RX) {
 728                                 printk(", receive ");
 729                                 if (bp->flow_ctrl & FLOW_CTRL_TX)
 730                                         printk("& transmit ");
 731                         }
 732                         else {
 733                                 printk(", transmit ");
 734                         }
 735                         printk("flow control ON");
 736                 }
 737                 printk("\n");
 738         }
 739         else {
 740                 netif_carrier_off(bp->dev);
 741                 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
 742                        bnx2_xceiver_str(bp));
 743         }
 744
 745         bnx2_report_fw_link(bp);
 746 }
 747
 748 static void
 749 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
 750 {
 751         u32 local_adv, remote_adv;
 752
 753         bp->flow_ctrl = 0;
 754         if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
 755                 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
 756
 757                 if (bp->duplex == DUPLEX_FULL) {
 758                         bp->flow_ctrl = bp->req_flow_ctrl;
 759                 }
 760                 return;
 761         }
 762
 763         if (bp->duplex != DUPLEX_FULL) {
 764                 return;
 765         }
 766
 767         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
 768             (CHIP_NUM(bp) == CHIP_NUM_5708)) {
 769                 u32 val;
 770
 771                 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
 772                 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
 773                         bp->flow_ctrl |= FLOW_CTRL_TX;
 774                 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
 775                         bp->flow_ctrl |= FLOW_CTRL_RX;
 776                 return;
 777         }
 778
 779         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
 780         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
 781
 782         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
 783                 u32 new_local_adv = 0;
 784                 u32 new_remote_adv = 0;
 785
 786                 if (local_adv & ADVERTISE_1000XPAUSE)
 787                         new_local_adv |= ADVERTISE_PAUSE_CAP;
 788                 if (local_adv & ADVERTISE_1000XPSE_ASYM)
 789                         new_local_adv |= ADVERTISE_PAUSE_ASYM;
 790                 if (remote_adv & ADVERTISE_1000XPAUSE)
 791                         new_remote_adv |= ADVERTISE_PAUSE_CAP;
 792                 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
 793                         new_remote_adv |= ADVERTISE_PAUSE_ASYM;
 794
 795                 local_adv = new_local_adv;
 796                 remote_adv = new_remote_adv;
 797         }
 798
 799         /* See Table 28B-3 of 802.3ab-1999 spec. */
 800         if (local_adv & ADVERTISE_PAUSE_CAP) {
 801                 if(local_adv & ADVERTISE_PAUSE_ASYM) {
 802                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
 803                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
 804                         }
 805                         else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
 806                                 bp->flow_ctrl = FLOW_CTRL_RX;
 807                         }
 808                 }
 809                 else {
 810                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
 811                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
 812                         }
 813                 }
 814         }
 815         else if (local_adv & ADVERTISE_PAUSE_ASYM) {
 816                 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
 817                         (remote_adv & ADVERTISE_PAUSE_ASYM)) {
 818
 819                         bp->flow_ctrl = FLOW_CTRL_TX;
 820                 }
 821         }
 822 }
 823
 824 static int
 825 bnx2_5709s_linkup(struct bnx2 *bp)
 826 {
 827         u32 val, speed;
 828
 829         bp->link_up = 1;
 830
 831         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
 832         bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
 833         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
 834
 835         if ((bp->autoneg & AUTONEG_SPEED) == 0) {
 836                 bp->line_speed = bp->req_line_speed;
 837                 bp->duplex = bp->req_duplex;
 838                 return 0;
 839         }
 840         speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
 841         switch (speed) {
 842                 case MII_BNX2_GP_TOP_AN_SPEED_10:
 843                         bp->line_speed = SPEED_10;
 844                         break;
 845                 case MII_BNX2_GP_TOP_AN_SPEED_100:
 846                         bp->line_speed = SPEED_100;
 847                         break;
 848                 case MII_BNX2_GP_TOP_AN_SPEED_1G:
 849                 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
 850                         bp->line_speed = SPEED_1000;
 851                         break;
 852                 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
 853                         bp->line_speed = SPEED_2500;
 854                         break;
 855         }
 856         if (val & MII_BNX2_GP_TOP_AN_FD)
 857                 bp->duplex = DUPLEX_FULL;
 858         else
 859                 bp->duplex = DUPLEX_HALF;
 860         return 0;
 861 }
 862
 863 static int
 864 bnx2_5708s_linkup(struct bnx2 *bp)
 865 {
 866         u32 val;
 867
 868         bp->link_up = 1;
 869         bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
 870         switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
 871                 case BCM5708S_1000X_STAT1_SPEED_10:
 872                         bp->line_speed = SPEED_10;
 873                         break;
 874                 case BCM5708S_1000X_STAT1_SPEED_100:
 875                         bp->line_speed = SPEED_100;
 876                         break;
 877                 case BCM5708S_1000X_STAT1_SPEED_1G:
 878                         bp->line_speed = SPEED_1000;
 879                         break;
 880                 case BCM5708S_1000X_STAT1_SPEED_2G5:
 881                         bp->line_speed = SPEED_2500;
 882                         break;
 883         }
 884         if (val & BCM5708S_1000X_STAT1_FD)
 885                 bp->duplex = DUPLEX_FULL;
 886         else
 887                 bp->duplex = DUPLEX_HALF;
 888
 889         return 0;
 890 }
 891
 892 static int
 893 bnx2_5706s_linkup(struct bnx2 *bp)
 894 {
 895         u32 bmcr, local_adv, remote_adv, common;
 896
 897         bp->link_up = 1;
 898         bp->line_speed = SPEED_1000;
 899
 900         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
 901         if (bmcr & BMCR_FULLDPLX) {
 902                 bp->duplex = DUPLEX_FULL;
 903         }
 904         else {
 905                 bp->duplex = DUPLEX_HALF;
 906         }
 907
 908         if (!(bmcr & BMCR_ANENABLE)) {
 909                 return 0;
 910         }
 911
 912         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
 913         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
 914
 915         common = local_adv & remote_adv;
 916         if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
 917
 918                 if (common & ADVERTISE_1000XFULL) {
 919                         bp->duplex = DUPLEX_FULL;
 920                 }
 921                 else {
 922                         bp->duplex = DUPLEX_HALF;
 923                 }
 924         }
 925
 926         return 0;
 927 }
 928
 929 static int
 930 bnx2_copper_linkup(struct bnx2 *bp)
 931 {
 932         u32 bmcr;
 933
 934         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
 935         if (bmcr & BMCR_ANENABLE) {
 936                 u32 local_adv, remote_adv, common;
 937
 938                 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
 939                 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
 940
 941                 common = local_adv & (remote_adv >> 2);
 942                 if (common & ADVERTISE_1000FULL) {
 943                         bp->line_speed = SPEED_1000;
 944                         bp->duplex = DUPLEX_FULL;
 945                 }
 946                 else if (common & ADVERTISE_1000HALF) {
 947                         bp->line_speed = SPEED_1000;
 948                         bp->duplex = DUPLEX_HALF;
 949                 }
 950                 else {
 951                         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
 952                         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
 953
 954                         common = local_adv & remote_adv;
 955                         if (common & ADVERTISE_100FULL) {
 956                                 bp->line_speed = SPEED_100;
 957                                 bp->duplex = DUPLEX_FULL;
 958                         }
 959                         else if (common & ADVERTISE_100HALF) {
 960                                 bp->line_speed = SPEED_100;
 961                                 bp->duplex = DUPLEX_HALF;
 962                         }
 963                         else if (common & ADVERTISE_10FULL) {
 964                                 bp->line_speed = SPEED_10;
 965                                 bp->duplex = DUPLEX_FULL;
 966                         }
 967                         else if (common & ADVERTISE_10HALF) {
 968                                 bp->line_speed = SPEED_10;
 969                                 bp->duplex = DUPLEX_HALF;
 970                         }
 971                         else {
 972                                 bp->line_speed = 0;
 973                                 bp->link_up = 0;
 974                         }
 975                 }
 976         }
 977         else {
 978                 if (bmcr & BMCR_SPEED100) {
 979                         bp->line_speed = SPEED_100;
 980                 }
 981                 else {
 982                         bp->line_speed = SPEED_10;
 983                 }
 984                 if (bmcr & BMCR_FULLDPLX) {
 985                         bp->duplex = DUPLEX_FULL;
 986                 }
 987                 else {
 988                         bp->duplex = DUPLEX_HALF;
 989                 }
 990         }
 991
 992         return 0;
 993 }
 994
 995 static void
 996 bnx2_init_rx_context0(struct bnx2 *bp)
 997 {
 998         u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
 999
1000         val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1001         val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1002         val |= 0x02 << 8;
1003
1004         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1005                 u32 lo_water, hi_water;
1006
1007                 if (bp->flow_ctrl & FLOW_CTRL_TX)
1008                         lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1009                 else
1010                         lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1011                 if (lo_water >= bp->rx_ring_size)
1012                         lo_water = 0;
1013
1014                 hi_water = bp->rx_ring_size / 4;
1015
1016                 if (hi_water <= lo_water)
1017                         lo_water = 0;
1018
1019                 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1020                 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1021
1022                 if (hi_water > 0xf)
1023                         hi_water = 0xf;
1024                 else if (hi_water == 0)
1025                         lo_water = 0;
1026                 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1027         }
1028         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1029 }
1030
1031 static int
1032 bnx2_set_mac_link(struct bnx2 *bp)
1033 {
1034         u32 val;
1035
1036         REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1037         if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1038                 (bp->duplex == DUPLEX_HALF)) {
1039                 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1040         }
1041
1042         /* Configure the EMAC mode register. */
1043         val = REG_RD(bp, BNX2_EMAC_MODE);
1044
1045         val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
1046                 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
1047                 BNX2_EMAC_MODE_25G_MODE);
1048
1049         if (bp->link_up) {
1050                 switch (bp->line_speed) {
1051                         case SPEED_10:
1052                                 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1053                                         val |= BNX2_EMAC_MODE_PORT_MII_10M;
1054                                         break;
1055                                 }
1056                                 /* fall through */
1057                         case SPEED_100:
1058                                 val |= BNX2_EMAC_MODE_PORT_MII;
1059                                 break;
1060                         case SPEED_2500:
1061                                 val |= BNX2_EMAC_MODE_25G_MODE;
1062                                 /* fall through */
1063                         case SPEED_1000:
1064                                 val |= BNX2_EMAC_MODE_PORT_GMII;
1065                                 break;
1066                 }
1067         }
1068         else {
1069                 val |= BNX2_EMAC_MODE_PORT_GMII;
1070         }
1071
1072         /* Set the MAC to operate in the appropriate duplex mode. */
1073         if (bp->duplex == DUPLEX_HALF)
1074                 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1075         REG_WR(bp, BNX2_EMAC_MODE, val);
1076
1077         /* Enable/disable rx PAUSE. */
1078         bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1079
1080         if (bp->flow_ctrl & FLOW_CTRL_RX)
1081                 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1082         REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1083
1084         /* Enable/disable tx PAUSE. */
1085         val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1086         val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1087
1088         if (bp->flow_ctrl & FLOW_CTRL_TX)
1089                 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1090         REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1091
1092         /* Acknowledge the interrupt. */
1093         REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1094
1095         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1096                 bnx2_init_rx_context0(bp);
1097
1098         return 0;
1099 }
1100
1101 static void
1102 bnx2_enable_bmsr1(struct bnx2 *bp)
1103 {
1104         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1105             (CHIP_NUM(bp) == CHIP_NUM_5709))
1106                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1107                                MII_BNX2_BLK_ADDR_GP_STATUS);
1108 }
1109
1110 static void
1111 bnx2_disable_bmsr1(struct bnx2 *bp)
1112 {
1113         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1114             (CHIP_NUM(bp) == CHIP_NUM_5709))
1115                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1116                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1117 }
1118
1119 static int
1120 bnx2_test_and_enable_2g5(struct bnx2 *bp)
1121 {
1122         u32 up1;
1123         int ret = 1;
1124
1125         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1126                 return 0;
1127
1128         if (bp->autoneg & AUTONEG_SPEED)
1129                 bp->advertising |= ADVERTISED_2500baseX_Full;
1130
1131         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1132                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1133
1134         bnx2_read_phy(bp, bp->mii_up1, &up1);
1135         if (!(up1 & BCM5708S_UP1_2G5)) {
1136                 up1 |= BCM5708S_UP1_2G5;
1137                 bnx2_write_phy(bp, bp->mii_up1, up1);
1138                 ret = 0;
1139         }
1140
1141         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1142                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1143                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1144
1145         return ret;
1146 }
1147
1148 static int
1149 bnx2_test_and_disable_2g5(struct bnx2 *bp)
1150 {
1151         u32 up1;
1152         int ret = 0;
1153
1154         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1155                 return 0;
1156
1157         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1158                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1159
1160         bnx2_read_phy(bp, bp->mii_up1, &up1);
1161         if (up1 & BCM5708S_UP1_2G5) {
1162                 up1 &= ~BCM5708S_UP1_2G5;
1163                 bnx2_write_phy(bp, bp->mii_up1, up1);
1164                 ret = 1;
1165         }
1166
1167         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1168                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1169                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1170
1171         return ret;
1172 }
1173
1174 static void
1175 bnx2_enable_forced_2g5(struct bnx2 *bp)
1176 {
1177         u32 bmcr;
1178
1179         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1180                 return;
1181
1182         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1183                 u32 val;
1184
1185                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1186                                MII_BNX2_BLK_ADDR_SERDES_DIG);
1187                 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1188                 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1189                 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1190                 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1191
1192                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1193                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1194                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1195
1196         } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1197                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1198                 bmcr |= BCM5708S_BMCR_FORCE_2500;
1199         }
1200
1201         if (bp->autoneg & AUTONEG_SPEED) {
1202                 bmcr &= ~BMCR_ANENABLE;
1203                 if (bp->req_duplex == DUPLEX_FULL)
1204                         bmcr |= BMCR_FULLDPLX;
1205         }
1206         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1207 }
1208
1209 static void
1210 bnx2_disable_forced_2g5(struct bnx2 *bp)
1211 {
1212         u32 bmcr;
1213
1214         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1215                 return;
1216
1217         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1218                 u32 val;
1219
1220                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1221                                MII_BNX2_BLK_ADDR_SERDES_DIG);
1222                 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1223                 val &= ~MII_BNX2_SD_MISC1_FORCE;
1224                 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1225
1226                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1227                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1228                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1229
1230         } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1231                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1232                 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1233         }
1234
1235         if (bp->autoneg & AUTONEG_SPEED)
1236                 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1237         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1238 }
1239
1240 static void
1241 bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1242 {
1243         u32 val;
1244
1245         bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1246         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1247         if (start)
1248                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1249         else
1250                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1251 }
1252
1253 static int
1254 bnx2_set_link(struct bnx2 *bp)
1255 {
1256         u32 bmsr;
1257         u8 link_up;
1258
1259         if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1260                 bp->link_up = 1;
1261                 return 0;
1262         }
1263
1264         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1265                 return 0;
1266
1267         link_up = bp->link_up;
1268
1269         bnx2_enable_bmsr1(bp);
1270         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1271         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1272         bnx2_disable_bmsr1(bp);
1273
1274         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1275             (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1276                 u32 val, an_dbg;
1277
1278                 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1279                         bnx2_5706s_force_link_dn(bp, 0);
1280                         bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1281                 }
1282                 val = REG_RD(bp, BNX2_EMAC_STATUS);
1283
1284                 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1285                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1286                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1287
1288                 if ((val & BNX2_EMAC_STATUS_LINK) &&
1289                     !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
1290                         bmsr |= BMSR_LSTATUS;
1291                 else
1292                         bmsr &= ~BMSR_LSTATUS;
1293         }
1294
1295         if (bmsr & BMSR_LSTATUS) {
1296                 bp->link_up = 1;
1297
1298                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1299                         if (CHIP_NUM(bp) == CHIP_NUM_5706)
1300                                 bnx2_5706s_linkup(bp);
1301                         else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1302                                 bnx2_5708s_linkup(bp);
1303                         else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1304                                 bnx2_5709s_linkup(bp);
1305                 }
1306                 else {
1307                         bnx2_copper_linkup(bp);
1308                 }
1309                 bnx2_resolve_flow_ctrl(bp);
1310         }
1311         else {
1312                 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1313                     (bp->autoneg & AUTONEG_SPEED))
1314                         bnx2_disable_forced_2g5(bp);
1315
1316                 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1317                         u32 bmcr;
1318
1319                         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1320                         bmcr |= BMCR_ANENABLE;
1321                         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1322
1323                         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1324                 }
1325                 bp->link_up = 0;
1326         }
1327
1328         if (bp->link_up != link_up) {
1329                 bnx2_report_link(bp);
1330         }
1331
1332         bnx2_set_mac_link(bp);
1333
1334         return 0;
1335 }
1336
1337 static int
1338 bnx2_reset_phy(struct bnx2 *bp)
1339 {
1340         int i;
1341         u32 reg;
1342
1343         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1344
1345 #define PHY_RESET_MAX_WAIT 100
1346         for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1347                 udelay(10);
1348
1349                 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1350                 if (!(reg & BMCR_RESET)) {
1351                         udelay(20);
1352                         break;
1353                 }
1354         }
1355         if (i == PHY_RESET_MAX_WAIT) {
1356                 return -EBUSY;
1357         }
1358         return 0;
1359 }
1360
1361 static u32
1362 bnx2_phy_get_pause_adv(struct bnx2 *bp)
1363 {
1364         u32 adv = 0;
1365
1366         if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1367                 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1368
1369                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1370                         adv = ADVERTISE_1000XPAUSE;
1371                 }
1372                 else {
1373                         adv = ADVERTISE_PAUSE_CAP;
1374                 }
1375         }
1376         else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1377                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1378                         adv = ADVERTISE_1000XPSE_ASYM;
1379                 }
1380                 else {
1381                         adv = ADVERTISE_PAUSE_ASYM;
1382                 }
1383         }
1384         else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1385                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1386                         adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1387                 }
1388                 else {
1389                         adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1390                 }
1391         }
1392         return adv;
1393 }
1394
1395 static int bnx2_fw_sync(struct bnx2 *, u32, int);
1396
1397 static int
1398 bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1399 {
1400         u32 speed_arg = 0, pause_adv;
1401
1402         pause_adv = bnx2_phy_get_pause_adv(bp);
1403
1404         if (bp->autoneg & AUTONEG_SPEED) {
1405                 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1406                 if (bp->advertising & ADVERTISED_10baseT_Half)
1407                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1408                 if (bp->advertising & ADVERTISED_10baseT_Full)
1409                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1410                 if (bp->advertising & ADVERTISED_100baseT_Half)
1411                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1412                 if (bp->advertising & ADVERTISED_100baseT_Full)
1413                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1414                 if (bp->advertising & ADVERTISED_1000baseT_Full)
1415                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1416                 if (bp->advertising & ADVERTISED_2500baseX_Full)
1417                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1418         } else {
1419                 if (bp->req_line_speed == SPEED_2500)
1420                         speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1421                 else if (bp->req_line_speed == SPEED_1000)
1422                         speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1423                 else if (bp->req_line_speed == SPEED_100) {
1424                         if (bp->req_duplex == DUPLEX_FULL)
1425                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1426                         else
1427                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1428                 } else if (bp->req_line_speed == SPEED_10) {
1429                         if (bp->req_duplex == DUPLEX_FULL)
1430                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1431                         else
1432                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1433                 }
1434         }
1435
1436         if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1437                 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
1438         if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1439                 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1440
1441         if (port == PORT_TP)
1442                 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1443                              BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1444
1445         bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1446
1447         spin_unlock_bh(&bp->phy_lock);
1448         bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
1449         spin_lock_bh(&bp->phy_lock);
1450
1451         return 0;
1452 }
1453
1454 static int
1455 bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1456 {
1457         u32 adv, bmcr;
1458         u32 new_adv = 0;
1459
1460         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1461                 return (bnx2_setup_remote_phy(bp, port));
1462
1463         if (!(bp->autoneg & AUTONEG_SPEED)) {
1464                 u32 new_bmcr;
1465                 int force_link_down = 0;
1466
1467                 if (bp->req_line_speed == SPEED_2500) {
1468                         if (!bnx2_test_and_enable_2g5(bp))
1469                                 force_link_down = 1;
1470                 } else if (bp->req_line_speed == SPEED_1000) {
1471                         if (bnx2_test_and_disable_2g5(bp))
1472                                 force_link_down = 1;
1473                 }
1474                 bnx2_read_phy(bp, bp->mii_adv, &adv);
1475                 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1476
1477                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1478                 new_bmcr = bmcr & ~BMCR_ANENABLE;
1479                 new_bmcr |= BMCR_SPEED1000;
1480
1481                 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1482                         if (bp->req_line_speed == SPEED_2500)
1483                                 bnx2_enable_forced_2g5(bp);
1484                         else if (bp->req_line_speed == SPEED_1000) {
1485                                 bnx2_disable_forced_2g5(bp);
1486                                 new_bmcr &= ~0x2000;
1487                         }
1488
1489                 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1490                         if (bp->req_line_speed == SPEED_2500)
1491                                 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1492                         else
1493                                 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
1494                 }
1495
1496                 if (bp->req_duplex == DUPLEX_FULL) {
1497                         adv |= ADVERTISE_1000XFULL;
1498                         new_bmcr |= BMCR_FULLDPLX;
1499                 }
1500                 else {
1501                         adv |= ADVERTISE_1000XHALF;
1502                         new_bmcr &= ~BMCR_FULLDPLX;
1503                 }
1504                 if ((new_bmcr != bmcr) || (force_link_down)) {
1505                         /* Force a link down visible on the other side */
1506                         if (bp->link_up) {
1507                                 bnx2_write_phy(bp, bp->mii_adv, adv &
1508                                                ~(ADVERTISE_1000XFULL |
1509                                                  ADVERTISE_1000XHALF));
1510                                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1511                                         BMCR_ANRESTART | BMCR_ANENABLE);
1512
1513                                 bp->link_up = 0;
1514                                 netif_carrier_off(bp->dev);
1515                                 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1516                                 bnx2_report_link(bp);
1517                         }
1518                         bnx2_write_phy(bp, bp->mii_adv, adv);
1519                         bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1520                 } else {
1521                         bnx2_resolve_flow_ctrl(bp);
1522                         bnx2_set_mac_link(bp);
1523                 }
1524                 return 0;
1525         }
1526
1527         bnx2_test_and_enable_2g5(bp);
1528
1529         if (bp->advertising & ADVERTISED_1000baseT_Full)
1530                 new_adv |= ADVERTISE_1000XFULL;
1531
1532         new_adv |= bnx2_phy_get_pause_adv(bp);
1533
1534         bnx2_read_phy(bp, bp->mii_adv, &adv);
1535         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1536
1537         bp->serdes_an_pending = 0;
1538         if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1539                 /* Force a link down visible on the other side */
1540                 if (bp->link_up) {
1541                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1542                         spin_unlock_bh(&bp->phy_lock);
1543                         msleep(20);
1544                         spin_lock_bh(&bp->phy_lock);
1545                 }
1546
1547                 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1548                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1549                         BMCR_ANENABLE);
1550                 /* Speed up link-up time when the link partner
1551                  * does not autonegotiate which is very common
1552                  * in blade servers. Some blade servers use
1553                  * IPMI for kerboard input and it's important
1554                  * to minimize link disruptions. Autoneg. involves
1555                  * exchanging base pages plus 3 next pages and
1556                  * normally completes in about 120 msec.
1557                  */
1558                 bp->current_interval = SERDES_AN_TIMEOUT;
1559                 bp->serdes_an_pending = 1;
1560                 mod_timer(&bp->timer, jiffies + bp->current_interval);
1561         } else {
1562                 bnx2_resolve_flow_ctrl(bp);
1563                 bnx2_set_mac_link(bp);
1564         }
1565
1566         return 0;
1567 }
1568
1569 #define ETHTOOL_ALL_FIBRE_SPEED                                         \
1570         (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ?                  \
1571                 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1572                 (ADVERTISED_1000baseT_Full)
1573
1574 #define ETHTOOL_ALL_COPPER_SPEED                                        \
1575         (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |            \
1576         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |           \
1577         ADVERTISED_1000baseT_Full)
1578
1579 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1580         ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1581
1582 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1583
1584 static void
1585 bnx2_set_default_remote_link(struct bnx2 *bp)
1586 {
1587         u32 link;
1588
1589         if (bp->phy_port == PORT_TP)
1590                 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1591         else
1592                 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1593
1594         if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1595                 bp->req_line_speed = 0;
1596                 bp->autoneg |= AUTONEG_SPEED;
1597                 bp->advertising = ADVERTISED_Autoneg;
1598                 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1599                         bp->advertising |= ADVERTISED_10baseT_Half;
1600                 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1601                         bp->advertising |= ADVERTISED_10baseT_Full;
1602                 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1603                         bp->advertising |= ADVERTISED_100baseT_Half;
1604                 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1605                         bp->advertising |= ADVERTISED_100baseT_Full;
1606                 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1607                         bp->advertising |= ADVERTISED_1000baseT_Full;
1608                 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1609                         bp->advertising |= ADVERTISED_2500baseX_Full;
1610         } else {
1611                 bp->autoneg = 0;
1612                 bp->advertising = 0;
1613                 bp->req_duplex = DUPLEX_FULL;
1614                 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1615                         bp->req_line_speed = SPEED_10;
1616                         if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1617                                 bp->req_duplex = DUPLEX_HALF;
1618                 }
1619                 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1620                         bp->req_line_speed = SPEED_100;
1621                         if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1622                                 bp->req_duplex = DUPLEX_HALF;
1623                 }
1624                 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1625                         bp->req_line_speed = SPEED_1000;
1626                 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1627                         bp->req_line_speed = SPEED_2500;
1628         }
1629 }
1630
1631 static void
1632 bnx2_set_default_link(struct bnx2 *bp)
1633 {
1634         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1635                 bnx2_set_default_remote_link(bp);
1636                 return;
1637         }
1638
1639         bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1640         bp->req_line_speed = 0;
1641         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1642                 u32 reg;
1643
1644                 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1645
1646                 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1647                 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1648                 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1649                         bp->autoneg = 0;
1650                         bp->req_line_speed = bp->line_speed = SPEED_1000;
1651                         bp->req_duplex = DUPLEX_FULL;
1652                 }
1653         } else
1654                 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1655 }
1656
1657 static void
1658 bnx2_send_heart_beat(struct bnx2 *bp)
1659 {
1660         u32 msg;
1661         u32 addr;
1662
1663         spin_lock(&bp->indirect_lock);
1664         msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1665         addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1666         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1667         REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1668         spin_unlock(&bp->indirect_lock);
1669 }
1670
1671 static void
1672 bnx2_remote_phy_event(struct bnx2 *bp)
1673 {
1674         u32 msg;
1675         u8 link_up = bp->link_up;
1676         u8 old_port;
1677
1678         msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1679
1680         if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1681                 bnx2_send_heart_beat(bp);
1682
1683         msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1684
1685         if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1686                 bp->link_up = 0;
1687         else {
1688                 u32 speed;
1689
1690                 bp->link_up = 1;
1691                 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1692                 bp->duplex = DUPLEX_FULL;
1693                 switch (speed) {
1694                         case BNX2_LINK_STATUS_10HALF:
1695                                 bp->duplex = DUPLEX_HALF;
1696                         case BNX2_LINK_STATUS_10FULL:
1697                                 bp->line_speed = SPEED_10;
1698                                 break;
1699                         case BNX2_LINK_STATUS_100HALF:
1700                                 bp->duplex = DUPLEX_HALF;
1701                         case BNX2_LINK_STATUS_100BASE_T4:
1702                         case BNX2_LINK_STATUS_100FULL:
1703                                 bp->line_speed = SPEED_100;
1704                                 break;
1705                         case BNX2_LINK_STATUS_1000HALF:
1706                                 bp->duplex = DUPLEX_HALF;
1707                         case BNX2_LINK_STATUS_1000FULL:
1708                                 bp->line_speed = SPEED_1000;
1709                                 break;
1710                         case BNX2_LINK_STATUS_2500HALF:
1711                                 bp->duplex = DUPLEX_HALF;
1712                         case BNX2_LINK_STATUS_2500FULL:
1713                                 bp->line_speed = SPEED_2500;
1714                                 break;
1715                         default:
1716                                 bp->line_speed = 0;
1717                                 break;
1718                 }
1719
1720                 bp->flow_ctrl = 0;
1721                 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1722                     (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1723                         if (bp->duplex == DUPLEX_FULL)
1724                                 bp->flow_ctrl = bp->req_flow_ctrl;
1725                 } else {
1726                         if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1727                                 bp->flow_ctrl |= FLOW_CTRL_TX;
1728                         if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1729                                 bp->flow_ctrl |= FLOW_CTRL_RX;
1730                 }
1731
1732                 old_port = bp->phy_port;
1733                 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1734                         bp->phy_port = PORT_FIBRE;
1735                 else
1736                         bp->phy_port = PORT_TP;
1737
1738                 if (old_port != bp->phy_port)
1739                         bnx2_set_default_link(bp);
1740
1741         }
1742         if (bp->link_up != link_up)
1743                 bnx2_report_link(bp);
1744
1745         bnx2_set_mac_link(bp);
1746 }
1747
1748 static int
1749 bnx2_set_remote_link(struct bnx2 *bp)
1750 {
1751         u32 evt_code;
1752
1753         evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
1754         switch (evt_code) {
1755                 case BNX2_FW_EVT_CODE_LINK_EVENT:
1756                         bnx2_remote_phy_event(bp);
1757                         break;
1758                 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1759                 default:
1760                         bnx2_send_heart_beat(bp);
1761                         break;
1762         }
1763         return 0;
1764 }
1765
1766 static int
1767 bnx2_setup_copper_phy(struct bnx2 *bp)
1768 {
1769         u32 bmcr;
1770         u32 new_bmcr;
1771
1772         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1773
1774         if (bp->autoneg & AUTONEG_SPEED) {
1775                 u32 adv_reg, adv1000_reg;
1776                 u32 new_adv_reg = 0;
1777                 u32 new_adv1000_reg = 0;
1778
1779                 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1780                 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1781                         ADVERTISE_PAUSE_ASYM);
1782
1783                 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1784                 adv1000_reg &= PHY_ALL_1000_SPEED;
1785
1786                 if (bp->advertising & ADVERTISED_10baseT_Half)
1787                         new_adv_reg |= ADVERTISE_10HALF;
1788                 if (bp->advertising & ADVERTISED_10baseT_Full)
1789                         new_adv_reg |= ADVERTISE_10FULL;
1790                 if (bp->advertising & ADVERTISED_100baseT_Half)
1791                         new_adv_reg |= ADVERTISE_100HALF;
1792                 if (bp->advertising & ADVERTISED_100baseT_Full)
1793                         new_adv_reg |= ADVERTISE_100FULL;
1794                 if (bp->advertising & ADVERTISED_1000baseT_Full)
1795                         new_adv1000_reg |= ADVERTISE_1000FULL;
1796
1797                 new_adv_reg |= ADVERTISE_CSMA;
1798
1799                 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1800
1801                 if ((adv1000_reg != new_adv1000_reg) ||
1802                         (adv_reg != new_adv_reg) ||
1803                         ((bmcr & BMCR_ANENABLE) == 0)) {
1804
1805                         bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1806                         bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1807                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1808                                 BMCR_ANENABLE);
1809                 }
1810                 else if (bp->link_up) {
1811                         /* Flow ctrl may have changed from auto to forced */
1812                         /* or vice-versa. */
1813
1814                         bnx2_resolve_flow_ctrl(bp);
1815                         bnx2_set_mac_link(bp);
1816                 }
1817                 return 0;
1818         }
1819
1820         new_bmcr = 0;
1821         if (bp->req_line_speed == SPEED_100) {
1822                 new_bmcr |= BMCR_SPEED100;
1823         }
1824         if (bp->req_duplex == DUPLEX_FULL) {
1825                 new_bmcr |= BMCR_FULLDPLX;
1826         }
1827         if (new_bmcr != bmcr) {
1828                 u32 bmsr;
1829
1830                 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1831                 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1832
1833                 if (bmsr & BMSR_LSTATUS) {
1834                         /* Force link down */
1835                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1836                         spin_unlock_bh(&bp->phy_lock);
1837                         msleep(50);
1838                         spin_lock_bh(&bp->phy_lock);
1839
1840                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1841                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1842                 }
1843
1844                 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1845
1846                 /* Normally, the new speed is setup after the link has
1847                  * gone down and up again. In some cases, link will not go
1848                  * down so we need to set up the new speed here.
1849                  */
1850                 if (bmsr & BMSR_LSTATUS) {
1851                         bp->line_speed = bp->req_line_speed;
1852                         bp->duplex = bp->req_duplex;
1853                         bnx2_resolve_flow_ctrl(bp);
1854                         bnx2_set_mac_link(bp);
1855                 }
1856         } else {
1857                 bnx2_resolve_flow_ctrl(bp);
1858                 bnx2_set_mac_link(bp);
1859         }
1860         return 0;
1861 }
1862
1863 static int
1864 bnx2_setup_phy(struct bnx2 *bp, u8 port)
1865 {
1866         if (bp->loopback == MAC_LOOPBACK)
1867                 return 0;
1868
1869         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1870                 return (bnx2_setup_serdes_phy(bp, port));
1871         }
1872         else {
1873                 return (bnx2_setup_copper_phy(bp));
1874         }
1875 }
1876
1877 static int
1878 bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
1879 {
1880         u32 val;
1881
1882         bp->mii_bmcr = MII_BMCR + 0x10;
1883         bp->mii_bmsr = MII_BMSR + 0x10;
1884         bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1885         bp->mii_adv = MII_ADVERTISE + 0x10;
1886         bp->mii_lpa = MII_LPA + 0x10;
1887         bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1888
1889         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1890         bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1891
1892         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1893         if (reset_phy)
1894                 bnx2_reset_phy(bp);
1895
1896         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1897
1898         bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1899         val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1900         val |= MII_BNX2_SD_1000XCTL1_FIBER;
1901         bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1902
1903         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1904         bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
1905         if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
1906                 val |= BCM5708S_UP1_2G5;
1907         else
1908                 val &= ~BCM5708S_UP1_2G5;
1909         bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
1910
1911         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
1912         bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
1913         val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
1914         bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
1915
1916         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
1917
1918         val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
1919               MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
1920         bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
1921
1922         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1923
1924         return 0;
1925 }
1926
1927 static int
1928 bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
1929 {
1930         u32 val;
1931
1932         if (reset_phy)
1933                 bnx2_reset_phy(bp);
1934
1935         bp->mii_up1 = BCM5708S_UP1;
1936
1937         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1938         bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1939         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1940
1941         bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1942         val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1943         bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1944
1945         bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1946         val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1947         bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1948
1949         if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
1950                 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1951                 val |= BCM5708S_UP1_2G5;
1952                 bnx2_write_phy(bp, BCM5708S_UP1, val);
1953         }
1954
1955         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
1956             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
1957             (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
1958                 /* increase tx signal amplitude */
1959                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1960                                BCM5708S_BLK_ADDR_TX_MISC);
1961                 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1962                 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1963                 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1964                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1965         }
1966
1967         val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
1968               BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1969
1970         if (val) {
1971                 u32 is_backplane;
1972
1973                 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
1974                 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1975                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1976                                        BCM5708S_BLK_ADDR_TX_MISC);
1977                         bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1978                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1979                                        BCM5708S_BLK_ADDR_DIG);
1980                 }
1981         }
1982         return 0;
1983 }
1984
1985 static int
1986 bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
1987 {
1988         if (reset_phy)
1989                 bnx2_reset_phy(bp);
1990
1991         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1992
1993         if (CHIP_NUM(bp) == CHIP_NUM_5706)
1994                 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
1995
1996         if (bp->dev->mtu > 1500) {
1997                 u32 val;
1998
1999                 /* Set extended packet length bit */
2000                 bnx2_write_phy(bp, 0x18, 0x7);
2001                 bnx2_read_phy(bp, 0x18, &val);
2002                 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2003
2004                 bnx2_write_phy(bp, 0x1c, 0x6c00);
2005                 bnx2_read_phy(bp, 0x1c, &val);
2006                 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2007         }
2008         else {
2009                 u32 val;
2010
2011                 bnx2_write_phy(bp, 0x18, 0x7);
2012                 bnx2_read_phy(bp, 0x18, &val);
2013                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2014
2015                 bnx2_write_phy(bp, 0x1c, 0x6c00);
2016                 bnx2_read_phy(bp, 0x1c, &val);
2017                 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2018         }
2019
2020         return 0;
2021 }
2022
2023 static int
2024 bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
2025 {
2026         u32 val;
2027
2028         if (reset_phy)
2029                 bnx2_reset_phy(bp);
2030
2031         if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2032                 bnx2_write_phy(bp, 0x18, 0x0c00);
2033                 bnx2_write_phy(bp, 0x17, 0x000a);
2034                 bnx2_write_phy(bp, 0x15, 0x310b);
2035                 bnx2_write_phy(bp, 0x17, 0x201f);
2036                 bnx2_write_phy(bp, 0x15, 0x9506);
2037                 bnx2_write_phy(bp, 0x17, 0x401f);
2038                 bnx2_write_phy(bp, 0x15, 0x14e2);
2039                 bnx2_write_phy(bp, 0x18, 0x0400);
2040         }
2041
2042         if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2043                 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2044                                MII_BNX2_DSP_EXPAND_REG | 0x8);
2045                 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2046                 val &= ~(1 << 8);
2047                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2048         }
2049
2050         if (bp->dev->mtu > 1500) {
2051                 /* Set extended packet length bit */
2052                 bnx2_write_phy(bp, 0x18, 0x7);
2053                 bnx2_read_phy(bp, 0x18, &val);
2054                 bnx2_write_phy(bp, 0x18, val | 0x4000);
2055
2056                 bnx2_read_phy(bp, 0x10, &val);
2057                 bnx2_write_phy(bp, 0x10, val | 0x1);
2058         }
2059         else {
2060                 bnx2_write_phy(bp, 0x18, 0x7);
2061                 bnx2_read_phy(bp, 0x18, &val);
2062                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2063
2064                 bnx2_read_phy(bp, 0x10, &val);
2065                 bnx2_write_phy(bp, 0x10, val & ~0x1);
2066         }
2067
2068         /* ethernet@wirespeed */
2069         bnx2_write_phy(bp, 0x18, 0x7007);
2070         bnx2_read_phy(bp, 0x18, &val);
2071         bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2072         return 0;
2073 }
2074
2075
2076 static int
2077 bnx2_init_phy(struct bnx2 *bp, int reset_phy)
2078 {
2079         u32 val;
2080         int rc = 0;
2081
2082         bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2083         bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2084
2085         bp->mii_bmcr = MII_BMCR;
2086         bp->mii_bmsr = MII_BMSR;
2087         bp->mii_bmsr1 = MII_BMSR;
2088         bp->mii_adv = MII_ADVERTISE;
2089         bp->mii_lpa = MII_LPA;
2090
2091         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2092
2093         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2094                 goto setup_phy;
2095
2096         bnx2_read_phy(bp, MII_PHYSID1, &val);
2097         bp->phy_id = val << 16;
2098         bnx2_read_phy(bp, MII_PHYSID2, &val);
2099         bp->phy_id |= val & 0xffff;
2100
2101         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2102                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2103                         rc = bnx2_init_5706s_phy(bp, reset_phy);
2104                 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2105                         rc = bnx2_init_5708s_phy(bp, reset_phy);
2106                 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2107                         rc = bnx2_init_5709s_phy(bp, reset_phy);
2108         }
2109         else {
2110                 rc = bnx2_init_copper_phy(bp, reset_phy);
2111         }
2112
2113 setup_phy:
2114         if (!rc)
2115                 rc = bnx2_setup_phy(bp, bp->phy_port);
2116
2117         return rc;
2118 }
2119
2120 static int
2121 bnx2_set_mac_loopback(struct bnx2 *bp)
2122 {
2123         u32 mac_mode;
2124
2125         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2126         mac_mode &= ~BNX2_EMAC_MODE_PORT;
2127         mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2128         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2129         bp->link_up = 1;
2130         return 0;
2131 }
2132
2133 static int bnx2_test_link(struct bnx2 *);
2134
2135 static int
2136 bnx2_set_phy_loopback(struct bnx2 *bp)
2137 {
2138         u32 mac_mode;
2139         int rc, i;
2140
2141         spin_lock_bh(&bp->phy_lock);
2142         rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
2143                             BMCR_SPEED1000);
2144         spin_unlock_bh(&bp->phy_lock);
2145         if (rc)
2146                 return rc;
2147
2148         for (i = 0; i < 10; i++) {
2149                 if (bnx2_test_link(bp) == 0)
2150                         break;
2151                 msleep(100);
2152         }
2153
2154         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2155         mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2156                       BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
2157                       BNX2_EMAC_MODE_25G_MODE);
2158
2159         mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2160         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2161         bp->link_up = 1;
2162         return 0;
2163 }
2164
2165 static int
2166 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
2167 {
2168         int i;
2169         u32 val;
2170
2171         bp->fw_wr_seq++;
2172         msg_data |= bp->fw_wr_seq;
2173
2174         bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2175
2176         /* wait for an acknowledgement. */
2177         for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2178                 msleep(10);
2179
2180                 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2181
2182                 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2183                         break;
2184         }
2185         if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2186                 return 0;
2187
2188         /* If we timed out, inform the firmware that this is the case. */
2189         if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2190                 if (!silent)
2191                         printk(KERN_ERR PFX "fw sync timeout, reset code = "
2192                                             "%x\n", msg_data);
2193
2194                 msg_data &= ~BNX2_DRV_MSG_CODE;
2195                 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2196
2197                 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2198
2199                 return -EBUSY;
2200         }
2201
2202         if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2203                 return -EIO;
2204
2205         return 0;
2206 }
2207
2208 static int
2209 bnx2_init_5709_context(struct bnx2 *bp)
2210 {
2211         int i, ret = 0;
2212         u32 val;
2213
2214         val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2215         val |= (BCM_PAGE_BITS - 8) << 16;
2216         REG_WR(bp, BNX2_CTX_COMMAND, val);
2217         for (i = 0; i < 10; i++) {
2218                 val = REG_RD(bp, BNX2_CTX_COMMAND);
2219                 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2220                         break;
2221                 udelay(2);
2222         }
2223         if (val & BNX2_CTX_COMMAND_MEM_INIT)
2224                 return -EBUSY;
2225
2226         for (i = 0; i < bp->ctx_pages; i++) {
2227                 int j;
2228
2229                 if (bp->ctx_blk[i])
2230                         memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2231                 else
2232                         return -ENOMEM;
2233
2234                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2235                        (bp->ctx_blk_mapping[i] & 0xffffffff) |
2236                        BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2237                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2238                        (u64) bp->ctx_blk_mapping[i] >> 32);
2239                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2240                        BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2241                 for (j = 0; j < 10; j++) {
2242
2243                         val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2244                         if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2245                                 break;
2246                         udelay(5);
2247                 }
2248                 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2249                         ret = -EBUSY;
2250                         break;
2251                 }
2252         }
2253         return ret;
2254 }
2255
2256 static void
2257 bnx2_init_context(struct bnx2 *bp)
2258 {
2259         u32 vcid;
2260
2261         vcid = 96;
2262         while (vcid) {
2263                 u32 vcid_addr, pcid_addr, offset;
2264                 int i;
2265
2266                 vcid--;
2267
2268                 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2269                         u32 new_vcid;
2270
2271                         vcid_addr = GET_PCID_ADDR(vcid);
2272                         if (vcid & 0x8) {
2273                                 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2274                         }
2275                         else {
2276                                 new_vcid = vcid;
2277                         }
2278                         pcid_addr = GET_PCID_ADDR(new_vcid);
2279                 }
2280                 else {
2281                         vcid_addr = GET_CID_ADDR(vcid);
2282                         pcid_addr = vcid_addr;
2283                 }
2284
2285                 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2286                         vcid_addr += (i << PHY_CTX_SHIFT);
2287                         pcid_addr += (i << PHY_CTX_SHIFT);
2288
2289                         REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2290                         REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2291
2292                         /* Zero out the context. */
2293                         for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2294                                 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2295                 }
2296         }
2297 }
2298
2299 static int
2300 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2301 {
2302         u16 *good_mbuf;
2303         u32 good_mbuf_cnt;
2304         u32 val;
2305
2306         good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2307         if (good_mbuf == NULL) {
2308                 printk(KERN_ERR PFX "Failed to allocate memory in "
2309                                     "bnx2_alloc_bad_rbuf\n");
2310                 return -ENOMEM;
2311         }
2312
2313         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2314                 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2315
2316         good_mbuf_cnt = 0;
2317
2318         /* Allocate a bunch of mbufs and save the good ones in an array. */
2319         val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2320         while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2321                 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2322                                 BNX2_RBUF_COMMAND_ALLOC_REQ);
2323
2324                 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2325
2326                 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2327
2328                 /* The addresses with Bit 9 set are bad memory blocks. */
2329                 if (!(val & (1 << 9))) {
2330                         good_mbuf[good_mbuf_cnt] = (u16) val;
2331                         good_mbuf_cnt++;
2332                 }
2333
2334                 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2335         }
2336
2337         /* Free the good ones back to the mbuf pool thus discarding
2338          * all the bad ones. */
2339         while (good_mbuf_cnt) {
2340                 good_mbuf_cnt--;
2341
2342                 val = good_mbuf[good_mbuf_cnt];
2343                 val = (val << 9) | val | 1;
2344
2345                 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2346         }
2347         kfree(good_mbuf);
2348         return 0;
2349 }
2350
2351 static void
2352 bnx2_set_mac_addr(struct bnx2 *bp)
2353 {
2354         u32 val;
2355         u8 *mac_addr = bp->dev->dev_addr;
2356
2357         val = (mac_addr[0] << 8) | mac_addr[1];
2358
2359         REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2360
2361         val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2362                 (mac_addr[4] << 8) | mac_addr[5];
2363
2364         REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2365 }
2366
2367 static inline int
2368 bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
2369 {
2370         dma_addr_t mapping;
2371         struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2372         struct rx_bd *rxbd =
2373                 &bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2374         struct page *page = alloc_page(GFP_ATOMIC);
2375
2376         if (!page)
2377                 return -ENOMEM;
2378         mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2379                                PCI_DMA_FROMDEVICE);
2380         rx_pg->page = page;
2381         pci_unmap_addr_set(rx_pg, mapping, mapping);
2382         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2383         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2384         return 0;
2385 }
2386
2387 static void
2388 bnx2_free_rx_page(struct bnx2 *bp, u16 index)
2389 {
2390         struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2391         struct page *page = rx_pg->page;
2392
2393         if (!page)
2394                 return;
2395
2396         pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2397                        PCI_DMA_FROMDEVICE);
2398
2399         __free_page(page);
2400         rx_pg->page = NULL;
2401 }
2402
2403 static inline int
2404 bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
2405 {
2406         struct sk_buff *skb;
2407         struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
2408         dma_addr_t mapping;
2409         struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2410         unsigned long align;
2411
2412         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2413         if (skb == NULL) {
2414                 return -ENOMEM;
2415         }
2416
2417         if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2418                 skb_reserve(skb, BNX2_RX_ALIGN - align);
2419
2420         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2421                 PCI_DMA_FROMDEVICE);
2422
2423         rx_buf->skb = skb;
2424         pci_unmap_addr_set(rx_buf, mapping, mapping);
2425
2426         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2427         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2428
2429         bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2430
2431         return 0;
2432 }
2433
2434 static int
2435 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2436 {
2437         struct status_block *sblk = bnapi->status_blk;
2438         u32 new_link_state, old_link_state;
2439         int is_set = 1;
2440
2441         new_link_state = sblk->status_attn_bits & event;
2442         old_link_state = sblk->status_attn_bits_ack & event;
2443         if (new_link_state != old_link_state) {
2444                 if (new_link_state)
2445                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2446                 else
2447                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2448         } else
2449                 is_set = 0;
2450
2451         return is_set;
2452 }
2453
2454 static void
2455 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2456 {
2457         spin_lock(&bp->phy_lock);
2458
2459         if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2460                 bnx2_set_link(bp);
2461         if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2462                 bnx2_set_remote_link(bp);
2463
2464         spin_unlock(&bp->phy_lock);
2465
2466 }
2467
2468 static inline u16
2469 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2470 {
2471         u16 cons;
2472
2473         if (bnapi->int_num == 0)
2474                 cons = bnapi->status_blk->status_tx_quick_consumer_index0;
2475         else
2476                 cons = bnapi->status_blk_msix->status_tx_quick_consumer_index;
2477
2478         if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2479                 cons++;
2480         return cons;
2481 }
2482
2483 static int
2484 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2485 {
2486         u16 hw_cons, sw_cons, sw_ring_cons;
2487         int tx_pkt = 0;
2488
2489         hw_cons = bnx2_get_hw_tx_cons(bnapi);
2490         sw_cons = bnapi->tx_cons;
2491
2492         while (sw_cons != hw_cons) {
2493                 struct sw_bd *tx_buf;
2494                 struct sk_buff *skb;
2495                 int i, last;
2496
2497                 sw_ring_cons = TX_RING_IDX(sw_cons);
2498
2499                 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
2500                 skb = tx_buf->skb;
2501
2502                 /* partial BD completions possible with TSO packets */
2503                 if (skb_is_gso(skb)) {
2504                         u16 last_idx, last_ring_idx;
2505
2506                         last_idx = sw_cons +
2507                                 skb_shinfo(skb)->nr_frags + 1;
2508                         last_ring_idx = sw_ring_cons +
2509                                 skb_shinfo(skb)->nr_frags + 1;
2510                         if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2511                                 last_idx++;
2512                         }
2513                         if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2514                                 break;
2515                         }
2516                 }
2517
2518                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2519                         skb_headlen(skb), PCI_DMA_TODEVICE);
2520
2521                 tx_buf->skb = NULL;
2522                 last = skb_shinfo(skb)->nr_frags;
2523
2524                 for (i = 0; i < last; i++) {
2525                         sw_cons = NEXT_TX_BD(sw_cons);
2526
2527                         pci_unmap_page(bp->pdev,
2528                                 pci_unmap_addr(
2529                                         &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
2530                                         mapping),
2531                                 skb_shinfo(skb)->frags[i].size,
2532                                 PCI_DMA_TODEVICE);
2533                 }
2534
2535                 sw_cons = NEXT_TX_BD(sw_cons);
2536
2537                 dev_kfree_skb(skb);
2538                 tx_pkt++;
2539                 if (tx_pkt == budget)
2540                         break;
2541
2542                 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2543         }
2544
2545         bnapi->hw_tx_cons = hw_cons;
2546         bnapi->tx_cons = sw_cons;
2547         /* Need to make the tx_cons update visible to bnx2_start_xmit()
2548          * before checking for netif_queue_stopped().  Without the
2549          * memory barrier, there is a small possibility that bnx2_start_xmit()
2550          * will miss it and cause the queue to be stopped forever.
2551          */
2552         smp_mb();
2553
2554         if (unlikely(netif_queue_stopped(bp->dev)) &&
2555                      (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
2556                 netif_tx_lock(bp->dev);
2557                 if ((netif_queue_stopped(bp->dev)) &&
2558                     (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
2559                         netif_wake_queue(bp->dev);
2560                 netif_tx_unlock(bp->dev);
2561         }
2562         return tx_pkt;
2563 }
2564
2565 static void
2566 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
2567                         struct sk_buff *skb, int count)
2568 {
2569         struct sw_pg *cons_rx_pg, *prod_rx_pg;
2570         struct rx_bd *cons_bd, *prod_bd;
2571         dma_addr_t mapping;
2572         int i;
2573         u16 hw_prod = bnapi->rx_pg_prod, prod;
2574         u16 cons = bnapi->rx_pg_cons;
2575
2576         for (i = 0; i < count; i++) {
2577                 prod = RX_PG_RING_IDX(hw_prod);
2578
2579                 prod_rx_pg = &bp->rx_pg_ring[prod];
2580                 cons_rx_pg = &bp->rx_pg_ring[cons];
2581                 cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2582                 prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2583
2584                 if (i == 0 && skb) {
2585                         struct page *page;
2586                         struct skb_shared_info *shinfo;
2587
2588                         shinfo = skb_shinfo(skb);
2589                         shinfo->nr_frags--;
2590                         page = shinfo->frags[shinfo->nr_frags].page;
2591                         shinfo->frags[shinfo->nr_frags].page = NULL;
2592                         mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2593                                                PCI_DMA_FROMDEVICE);
2594                         cons_rx_pg->page = page;
2595                         pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2596                         dev_kfree_skb(skb);
2597                 }
2598                 if (prod != cons) {
2599                         prod_rx_pg->page = cons_rx_pg->page;
2600                         cons_rx_pg->page = NULL;
2601                         pci_unmap_addr_set(prod_rx_pg, mapping,
2602                                 pci_unmap_addr(cons_rx_pg, mapping));
2603
2604                         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2605                         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2606
2607                 }
2608                 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2609                 hw_prod = NEXT_RX_BD(hw_prod);
2610         }
2611         bnapi->rx_pg_prod = hw_prod;
2612         bnapi->rx_pg_cons = cons;
2613 }
2614
2615 static inline void
2616 bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2617         u16 cons, u16 prod)
2618 {
2619         struct sw_bd *cons_rx_buf, *prod_rx_buf;
2620         struct rx_bd *cons_bd, *prod_bd;
2621
2622         cons_rx_buf = &bp->rx_buf_ring[cons];
2623         prod_rx_buf = &bp->rx_buf_ring[prod];
2624
2625         pci_dma_sync_single_for_device(bp->pdev,
2626                 pci_unmap_addr(cons_rx_buf, mapping),
2627                 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2628
2629         bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2630
2631         prod_rx_buf->skb = skb;
2632
2633         if (cons == prod)
2634                 return;
2635
2636         pci_unmap_addr_set(prod_rx_buf, mapping,
2637                         pci_unmap_addr(cons_rx_buf, mapping));
2638
2639         cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2640         prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2641         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2642         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2643 }
2644
2645 static int
2646 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2647             unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2648             u32 ring_idx)
2649 {
2650         int err;
2651         u16 prod = ring_idx & 0xffff;
2652
2653         err = bnx2_alloc_rx_skb(bp, bnapi, prod);
2654         if (unlikely(err)) {
2655                 bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
2656                 if (hdr_len) {
2657                         unsigned int raw_len = len + 4;
2658                         int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2659
2660                         bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
2661                 }
2662                 return err;
2663         }
2664
2665         skb_reserve(skb, BNX2_RX_OFFSET);
2666         pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2667                          PCI_DMA_FROMDEVICE);
2668
2669         if (hdr_len == 0) {
2670                 skb_put(skb, len);
2671                 return 0;
2672         } else {
2673                 unsigned int i, frag_len, frag_size, pages;
2674                 struct sw_pg *rx_pg;
2675                 u16 pg_cons = bnapi->rx_pg_cons;
2676                 u16 pg_prod = bnapi->rx_pg_prod;
2677
2678                 frag_size = len + 4 - hdr_len;
2679                 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2680                 skb_put(skb, hdr_len);
2681
2682                 for (i = 0; i < pages; i++) {
2683                         frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2684                         if (unlikely(frag_len <= 4)) {
2685                                 unsigned int tail = 4 - frag_len;
2686
2687                                 bnapi->rx_pg_cons = pg_cons;
2688                                 bnapi->rx_pg_prod = pg_prod;
2689                                 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
2690                                                         pages - i);
2691                                 skb->len -= tail;
2692                                 if (i == 0) {
2693                                         skb->tail -= tail;
2694                                 } else {
2695                                         skb_frag_t *frag =
2696                                                 &skb_shinfo(skb)->frags[i - 1];
2697                                         frag->size -= tail;
2698                                         skb->data_len -= tail;
2699                                         skb->truesize -= tail;
2700                                 }
2701                                 return 0;
2702                         }
2703                         rx_pg = &bp->rx_pg_ring[pg_cons];
2704
2705                         pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2706                                        PAGE_SIZE, PCI_DMA_FROMDEVICE);
2707
2708                         if (i == pages - 1)
2709                                 frag_len -= 4;
2710
2711                         skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2712                         rx_pg->page = NULL;
2713
2714                         err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
2715                         if (unlikely(err)) {
2716                                 bnapi->rx_pg_cons = pg_cons;
2717                                 bnapi->rx_pg_prod = pg_prod;
2718                                 bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
2719                                                         pages - i);
2720                                 return err;
2721                         }
2722
2723                         frag_size -= frag_len;
2724                         skb->data_len += frag_len;
2725                         skb->truesize += frag_len;
2726                         skb->len += frag_len;
2727
2728                         pg_prod = NEXT_RX_BD(pg_prod);
2729                         pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2730                 }
2731                 bnapi->rx_pg_prod = pg_prod;
2732                 bnapi->rx_pg_cons = pg_cons;
2733         }
2734         return 0;
2735 }
2736
2737 static inline u16
2738 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
2739 {
2740         u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
2741
2742         if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2743                 cons++;
2744         return cons;
2745 }
2746
2747 static int
2748 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2749 {
2750         u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2751         struct l2_fhdr *rx_hdr;
2752         int rx_pkt = 0, pg_ring_used = 0;
2753
2754         hw_cons = bnx2_get_hw_rx_cons(bnapi);
2755         sw_cons = bnapi->rx_cons;
2756         sw_prod = bnapi->rx_prod;
2757
2758         /* Memory barrier necessary as speculative reads of the rx
2759          * buffer can be ahead of the index in the status block
2760          */
2761         rmb();
2762         while (sw_cons != hw_cons) {
2763                 unsigned int len, hdr_len;
2764                 u32 status;
2765                 struct sw_bd *rx_buf;
2766                 struct sk_buff *skb;
2767                 dma_addr_t dma_addr;
2768
2769                 sw_ring_cons = RX_RING_IDX(sw_cons);
2770                 sw_ring_prod = RX_RING_IDX(sw_prod);
2771
2772                 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
2773                 skb = rx_buf->skb;
2774
2775                 rx_buf->skb = NULL;
2776
2777                 dma_addr = pci_unmap_addr(rx_buf, mapping);
2778
2779                 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2780                         BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
2781                         PCI_DMA_FROMDEVICE);
2782
2783                 rx_hdr = (struct l2_fhdr *) skb->data;
2784                 len = rx_hdr->l2_fhdr_pkt_len;
2785
2786                 if ((status = rx_hdr->l2_fhdr_status) &
2787                         (L2_FHDR_ERRORS_BAD_CRC |
2788                         L2_FHDR_ERRORS_PHY_DECODE |
2789                         L2_FHDR_ERRORS_ALIGNMENT |
2790                         L2_FHDR_ERRORS_TOO_SHORT |
2791                         L2_FHDR_ERRORS_GIANT_FRAME)) {
2792
2793                         bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2794                                           sw_ring_prod);
2795                         goto next_rx;
2796                 }
2797                 hdr_len = 0;
2798                 if (status & L2_FHDR_STATUS_SPLIT) {
2799                         hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2800                         pg_ring_used = 1;
2801                 } else if (len > bp->rx_jumbo_thresh) {
2802                         hdr_len = bp->rx_jumbo_thresh;
2803                         pg_ring_used = 1;
2804                 }
2805
2806                 len -= 4;
2807
2808                 if (len <= bp->rx_copy_thresh) {
2809                         struct sk_buff *new_skb;
2810
2811                         new_skb = netdev_alloc_skb(bp->dev, len + 2);
2812                         if (new_skb == NULL) {
2813                                 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2814                                                   sw_ring_prod);
2815                                 goto next_rx;
2816                         }
2817
2818                         /* aligned copy */
2819                         skb_copy_from_linear_data_offset(skb,
2820                                                          BNX2_RX_OFFSET - 2,
2821                                       new_skb->data, len + 2);
2822                         skb_reserve(new_skb, 2);
2823                         skb_put(new_skb, len);
2824
2825                         bnx2_reuse_rx_skb(bp, bnapi, skb,
2826                                 sw_ring_cons, sw_ring_prod);
2827
2828                         skb = new_skb;
2829                 } else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
2830                            dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2831                         goto next_rx;
2832
2833                 skb->protocol = eth_type_trans(skb, bp->dev);
2834
2835                 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
2836                         (ntohs(skb->protocol) != 0x8100)) {
2837
2838                         dev_kfree_skb(skb);
2839                         goto next_rx;
2840
2841                 }
2842
2843                 skb->ip_summed = CHECKSUM_NONE;
2844                 if (bp->rx_csum &&
2845                         (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2846                         L2_FHDR_STATUS_UDP_DATAGRAM))) {
2847
2848                         if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2849                                               L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2850                                 skb->ip_summed = CHECKSUM_UNNECESSARY;
2851                 }
2852
2853 #ifdef BCM_VLAN
2854                 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
2855                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2856                                 rx_hdr->l2_fhdr_vlan_tag);
2857                 }
2858                 else
2859 #endif
2860                         netif_receive_skb(skb);
2861
2862                 bp->dev->last_rx = jiffies;
2863                 rx_pkt++;
2864
2865 next_rx:
2866                 sw_cons = NEXT_RX_BD(sw_cons);
2867                 sw_prod = NEXT_RX_BD(sw_prod);
2868
2869                 if ((rx_pkt == budget))
2870                         break;
2871
2872                 /* Refresh hw_cons to see if there is new work */
2873                 if (sw_cons == hw_cons) {
2874                         hw_cons = bnx2_get_hw_rx_cons(bnapi);
2875                         rmb();
2876                 }
2877         }
2878         bnapi->rx_cons = sw_cons;
2879         bnapi->rx_prod = sw_prod;
2880
2881         if (pg_ring_used)
2882                 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
2883                          bnapi->rx_pg_prod);
2884
2885         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
2886
2887         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
2888
2889         mmiowb();
2890
2891         return rx_pkt;
2892
2893 }
2894
2895 /* MSI ISR - The only difference between this and the INTx ISR
2896  * is that the MSI interrupt is always serviced.
2897  */
2898 static irqreturn_t
2899 bnx2_msi(int irq, void *dev_instance)
2900 {
2901         struct net_device *dev = dev_instance;
2902         struct bnx2 *bp = netdev_priv(dev);
2903         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2904
2905         prefetch(bnapi->status_blk);
2906         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2907                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2908                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2909
2910         /* Return here if interrupt is disabled. */
2911         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2912                 return IRQ_HANDLED;
2913
2914         netif_rx_schedule(dev, &bnapi->napi);
2915
2916         return IRQ_HANDLED;
2917 }
2918
2919 static irqreturn_t
2920 bnx2_msi_1shot(int irq, void *dev_instance)
2921 {
2922         struct net_device *dev = dev_instance;
2923         struct bnx2 *bp = netdev_priv(dev);
2924         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2925
2926         prefetch(bnapi->status_blk);
2927
2928         /* Return here if interrupt is disabled. */
2929         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2930                 return IRQ_HANDLED;
2931
2932         netif_rx_schedule(dev, &bnapi->napi);
2933
2934         return IRQ_HANDLED;
2935 }
2936
2937 static irqreturn_t
2938 bnx2_interrupt(int irq, void *dev_instance)
2939 {
2940         struct net_device *dev = dev_instance;
2941         struct bnx2 *bp = netdev_priv(dev);
2942         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2943         struct status_block *sblk = bnapi->status_blk;
2944
2945         /* When using INTx, it is possible for the interrupt to arrive
2946          * at the CPU before the status block posted prior to the
2947          * interrupt. Reading a register will flush the status block.
2948          * When using MSI, the MSI message will always complete after
2949          * the status block write.
2950          */
2951         if ((sblk->status_idx == bnapi->last_status_idx) &&
2952             (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
2953              BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2954                 return IRQ_NONE;
2955
2956         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2957                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2958                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2959
2960         /* Read back to deassert IRQ immediately to avoid too many
2961          * spurious interrupts.
2962          */
2963         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
2964
2965         /* Return here if interrupt is shared and is disabled. */
2966         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2967                 return IRQ_HANDLED;
2968
2969         if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
2970                 bnapi->last_status_idx = sblk->status_idx;
2971                 __netif_rx_schedule(dev, &bnapi->napi);
2972         }
2973
2974         return IRQ_HANDLED;
2975 }
2976
2977 static irqreturn_t
2978 bnx2_tx_msix(int irq, void *dev_instance)
2979 {
2980         struct net_device *dev = dev_instance;
2981         struct bnx2 *bp = netdev_priv(dev);
2982         struct bnx2_napi *bnapi = &bp->bnx2_napi[BNX2_TX_VEC];
2983
2984         prefetch(bnapi->status_blk_msix);
2985
2986         /* Return here if interrupt is disabled. */
2987         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2988                 return IRQ_HANDLED;
2989
2990         netif_rx_schedule(dev, &bnapi->napi);
2991         return IRQ_HANDLED;
2992 }
2993
2994 #define STATUS_ATTN_EVENTS      (STATUS_ATTN_BITS_LINK_STATE | \
2995                                  STATUS_ATTN_BITS_TIMER_ABORT)
2996
2997 static inline int
2998 bnx2_has_work(struct bnx2_napi *bnapi)
2999 {
3000         struct status_block *sblk = bnapi->status_blk;
3001
3002         if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
3003             (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
3004                 return 1;
3005
3006         if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3007             (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
3008                 return 1;
3009
3010         return 0;
3011 }
3012
3013 static int bnx2_tx_poll(struct napi_struct *napi, int budget)
3014 {
3015         struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3016         struct bnx2 *bp = bnapi->bp;
3017         int work_done = 0;
3018         struct status_block_msix *sblk = bnapi->status_blk_msix;
3019
3020         do {
3021                 work_done += bnx2_tx_int(bp, bnapi, budget - work_done);
3022                 if (unlikely(work_done >= budget))
3023                         return work_done;
3024
3025                 bnapi->last_status_idx = sblk->status_idx;
3026                 rmb();
3027         } while (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons);
3028
3029         netif_rx_complete(bp->dev, napi);
3030         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3031                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3032                bnapi->last_status_idx);
3033         return work_done;
3034 }
3035
3036 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3037                           int work_done, int budget)
3038 {
3039         struct status_block *sblk = bnapi->status_blk;
3040         u32 status_attn_bits = sblk->status_attn_bits;
3041         u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3042
3043         if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3044             (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3045
3046                 bnx2_phy_int(bp, bnapi);
3047
3048                 /* This is needed to take care of transient status
3049                  * during link changes.
3050                  */
3051                 REG_WR(bp, BNX2_HC_COMMAND,
3052                        bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3053                 REG_RD(bp, BNX2_HC_COMMAND);
3054         }
3055
3056         if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
3057                 bnx2_tx_int(bp, bnapi, 0);
3058
3059         if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
3060                 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3061
3062         return work_done;
3063 }
3064
3065 static int bnx2_poll(struct napi_struct *napi, int budget)
3066 {
3067         struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3068         struct bnx2 *bp = bnapi->bp;
3069         int work_done = 0;
3070         struct status_block *sblk = bnapi->status_blk;
3071
3072         while (1) {
3073                 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3074
3075                 if (unlikely(work_done >= budget))
3076                         break;
3077
3078                 /* bnapi->last_status_idx is used below to tell the hw how
3079                  * much work has been processed, so we must read it before
3080                  * checking for more work.
3081                  */
3082                 bnapi->last_status_idx = sblk->status_idx;
3083                 rmb();
3084                 if (likely(!bnx2_has_work(bnapi))) {
3085                         netif_rx_complete(bp->dev, napi);
3086                         if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3087                                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3088                                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3089                                        bnapi->last_status_idx);
3090                                 break;
3091                         }
3092                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3093                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3094                                BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3095                                bnapi->last_status_idx);
3096
3097                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3098                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3099                                bnapi->last_status_idx);
3100                         break;
3101                 }
3102         }
3103
3104         return work_done;
3105 }
3106
3107 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
3108  * from set_multicast.
3109  */
3110 static void
3111 bnx2_set_rx_mode(struct net_device *dev)
3112 {
3113         struct bnx2 *bp = netdev_priv(dev);
3114         u32 rx_mode, sort_mode;
3115         int i;
3116
3117         spin_lock_bh(&bp->phy_lock);
3118
3119         rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3120                                   BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3121         sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3122 #ifdef BCM_VLAN
3123         if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
3124                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3125 #else
3126         if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
3127                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3128 #endif
3129         if (dev->flags & IFF_PROMISC) {
3130                 /* Promiscuous mode. */
3131                 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3132                 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3133                              BNX2_RPM_SORT_USER0_PROM_VLAN;
3134         }
3135         else if (dev->flags & IFF_ALLMULTI) {
3136                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3137                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3138                                0xffffffff);
3139                 }
3140                 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3141         }
3142         else {
3143                 /* Accept one or more multicast(s). */
3144                 struct dev_mc_list *mclist;
3145                 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3146                 u32 regidx;
3147                 u32 bit;
3148                 u32 crc;
3149
3150                 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3151
3152                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3153                      i++, mclist = mclist->next) {
3154
3155                         crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3156                         bit = crc & 0xff;
3157                         regidx = (bit & 0xe0) >> 5;
3158                         bit &= 0x1f;
3159                         mc_filter[regidx] |= (1 << bit);
3160                 }
3161
3162                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3163                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3164                                mc_filter[i]);
3165                 }
3166
3167                 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3168         }
3169
3170         if (rx_mode != bp->rx_mode) {
3171                 bp->rx_mode = rx_mode;
3172                 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3173         }
3174
3175         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3176         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3177         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3178
3179         spin_unlock_bh(&bp->phy_lock);
3180 }
3181
3182 static void
3183 load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3184         u32 rv2p_proc)
3185 {
3186         int i;
3187         u32 val;
3188
3189         if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
3190                 val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
3191                 val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
3192                 val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
3193                 rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
3194         }
3195
3196         for (i = 0; i < rv2p_code_len; i += 8) {
3197                 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3198                 rv2p_code++;
3199                 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3200                 rv2p_code++;
3201
3202                 if (rv2p_proc == RV2P_PROC1) {
3203                         val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3204                         REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3205                 }
3206                 else {
3207                         val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3208                         REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3209                 }
3210         }
3211
3212         /* Reset the processor, un-stall is done later. */
3213         if (rv2p_proc == RV2P_PROC1) {
3214                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3215         }
3216         else {
3217                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3218         }
3219 }
3220
3221 static int
3222 load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg, struct fw_info *fw)
3223 {
3224         u32 offset;
3225         u32 val;
3226         int rc;
3227
3228         /* Halt the CPU. */
3229         val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3230         val |= cpu_reg->mode_value_halt;
3231         bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3232         bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3233
3234         /* Load the Text area. */
3235         offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
3236         if (fw->gz_text) {
3237                 int j;
3238
3239                 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3240                                        fw->gz_text_len);
3241                 if (rc < 0)
3242                         return rc;
3243
3244                 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
3245                         bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
3246                 }
3247         }
3248
3249         /* Load the Data area. */
3250         offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3251         if (fw->data) {
3252                 int j;
3253
3254                 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
3255                         bnx2_reg_wr_ind(bp, offset, fw->data[j]);
3256                 }
3257         }
3258
3259         /* Load the SBSS area. */
3260         offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
3261         if (fw->sbss_len) {
3262                 int j;
3263
3264                 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
3265                         bnx2_reg_wr_ind(bp, offset, 0);
3266                 }
3267         }
3268
3269         /* Load the BSS area. */
3270         offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
3271         if (fw->bss_len) {
3272                 int j;
3273
3274                 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
3275                         bnx2_reg_wr_ind(bp, offset, 0);
3276                 }
3277         }
3278
3279         /* Load the Read-Only area. */
3280         offset = cpu_reg->spad_base +
3281                 (fw->rodata_addr - cpu_reg->mips_view_base);
3282         if (fw->rodata) {
3283                 int j;
3284
3285                 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
3286                         bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
3287                 }
3288         }
3289
3290         /* Clear the pre-fetch instruction. */
3291         bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3292         bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
3293
3294         /* Start the CPU. */
3295         val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3296         val &= ~cpu_reg->mode_value_halt;
3297         bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3298         bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3299
3300         return 0;
3301 }
3302
3303 static int
3304 bnx2_init_cpus(struct bnx2 *bp)
3305 {
3306         struct fw_info *fw;
3307         int rc, rv2p_len;
3308         void *text, *rv2p;
3309
3310         /* Initialize the RV2P processor. */
3311         text = vmalloc(FW_BUF_SIZE);
3312         if (!text)
3313                 return -ENOMEM;
3314         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3315                 rv2p = bnx2_xi_rv2p_proc1;
3316                 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3317         } else {
3318                 rv2p = bnx2_rv2p_proc1;
3319                 rv2p_len = sizeof(bnx2_rv2p_proc1);
3320         }
3321         rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3322         if (rc < 0)
3323                 goto init_cpu_err;
3324
3325         load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3326
3327         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3328                 rv2p = bnx2_xi_rv2p_proc2;
3329                 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3330         } else {
3331                 rv2p = bnx2_rv2p_proc2;
3332                 rv2p_len = sizeof(bnx2_rv2p_proc2);
3333         }
3334         rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3335         if (rc < 0)
3336                 goto init_cpu_err;
3337
3338         load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3339
3340         /* Initialize the RX Processor. */
3341         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3342                 fw = &bnx2_rxp_fw_09;
3343         else
3344                 fw = &bnx2_rxp_fw_06;
3345
3346         fw->text = text;
3347         rc = load_cpu_fw(bp, &cpu_reg_rxp, fw);
3348         if (rc)
3349                 goto init_cpu_err;
3350
3351         /* Initialize the TX Processor. */
3352         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3353                 fw = &bnx2_txp_fw_09;
3354         else
3355                 fw = &bnx2_txp_fw_06;
3356
3357         fw->text = text;
3358         rc = load_cpu_fw(bp, &cpu_reg_txp, fw);
3359         if (rc)
3360                 goto init_cpu_err;
3361
3362         /* Initialize the TX Patch-up Processor. */
3363         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3364                 fw = &bnx2_tpat_fw_09;
3365         else
3366                 fw = &bnx2_tpat_fw_06;
3367
3368         fw->text = text;
3369         rc = load_cpu_fw(bp, &cpu_reg_tpat, fw);
3370         if (rc)
3371                 goto init_cpu_err;
3372
3373         /* Initialize the Completion Processor. */
3374         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3375                 fw = &bnx2_com_fw_09;
3376         else
3377                 fw = &bnx2_com_fw_06;
3378
3379         fw->text = text;
3380         rc = load_cpu_fw(bp, &cpu_reg_com, fw);
3381         if (rc)
3382                 goto init_cpu_err;
3383
3384         /* Initialize the Command Processor. */
3385         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3386                 fw = &bnx2_cp_fw_09;
3387         else
3388                 fw = &bnx2_cp_fw_06;
3389
3390         fw->text = text;
3391         rc = load_cpu_fw(bp, &cpu_reg_cp, fw);
3392
3393 init_cpu_err:
3394         vfree(text);
3395         return rc;
3396 }
3397
3398 static int
3399 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3400 {
3401         u16 pmcsr;
3402
3403         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3404
3405         switch (state) {
3406         case PCI_D0: {
3407                 u32 val;
3408
3409                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3410                         (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3411                         PCI_PM_CTRL_PME_STATUS);
3412
3413                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3414                         /* delay required during transition out of D3hot */
3415                         msleep(20);
3416
3417                 val = REG_RD(bp, BNX2_EMAC_MODE);
3418                 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3419                 val &= ~BNX2_EMAC_MODE_MPKT;
3420                 REG_WR(bp, BNX2_EMAC_MODE, val);
3421
3422                 val = REG_RD(bp, BNX2_RPM_CONFIG);
3423                 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3424                 REG_WR(bp, BNX2_RPM_CONFIG, val);
3425                 break;
3426         }
3427         case PCI_D3hot: {
3428                 int i;
3429                 u32 val, wol_msg;
3430
3431                 if (bp->wol) {
3432                         u32 advertising;
3433                         u8 autoneg;
3434
3435                         autoneg = bp->autoneg;
3436                         advertising = bp->advertising;
3437
3438                         if (bp->phy_port == PORT_TP) {
3439                                 bp->autoneg = AUTONEG_SPEED;
3440                                 bp->advertising = ADVERTISED_10baseT_Half |
3441                                         ADVERTISED_10baseT_Full |
3442                                         ADVERTISED_100baseT_Half |
3443                                         ADVERTISED_100baseT_Full |
3444                                         ADVERTISED_Autoneg;
3445                         }
3446
3447                         spin_lock_bh(&bp->phy_lock);
3448                         bnx2_setup_phy(bp, bp->phy_port);
3449                         spin_unlock_bh(&bp->phy_lock);
3450
3451                         bp->autoneg = autoneg;
3452                         bp->advertising = advertising;
3453
3454                         bnx2_set_mac_addr(bp);
3455
3456                         val = REG_RD(bp, BNX2_EMAC_MODE);
3457
3458                         /* Enable port mode. */
3459                         val &= ~BNX2_EMAC_MODE_PORT;
3460                         val |= BNX2_EMAC_MODE_MPKT_RCVD |
3461                                BNX2_EMAC_MODE_ACPI_RCVD |
3462                                BNX2_EMAC_MODE_MPKT;
3463                         if (bp->phy_port == PORT_TP)
3464                                 val |= BNX2_EMAC_MODE_PORT_MII;
3465                         else {
3466                                 val |= BNX2_EMAC_MODE_PORT_GMII;
3467                                 if (bp->line_speed == SPEED_2500)
3468                                         val |= BNX2_EMAC_MODE_25G_MODE;
3469                         }
3470
3471                         REG_WR(bp, BNX2_EMAC_MODE, val);
3472
3473                         /* receive all multicast */
3474                         for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3475                                 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3476                                        0xffffffff);
3477                         }
3478                         REG_WR(bp, BNX2_EMAC_RX_MODE,
3479                                BNX2_EMAC_RX_MODE_SORT_MODE);
3480
3481                         val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3482                               BNX2_RPM_SORT_USER0_MC_EN;
3483                         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3484                         REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3485                         REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3486                                BNX2_RPM_SORT_USER0_ENA);
3487
3488                         /* Need to enable EMAC and RPM for WOL. */
3489                         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3490                                BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3491                                BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3492                                BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3493
3494                         val = REG_RD(bp, BNX2_RPM_CONFIG);
3495                         val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3496                         REG_WR(bp, BNX2_RPM_CONFIG, val);
3497
3498                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3499                 }
3500                 else {
3501                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3502                 }
3503
3504                 if (!(bp->flags & BNX2_FLAG_NO_WOL))
3505                         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3506
3507                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3508                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3509                     (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3510
3511                         if (bp->wol)
3512                                 pmcsr |= 3;
3513                 }
3514                 else {
3515                         pmcsr |= 3;
3516                 }
3517                 if (bp->wol) {
3518                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3519                 }
3520                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3521                                       pmcsr);
3522
3523                 /* No more memory access after this point until
3524                  * device is brought back to D0.
3525                  */
3526                 udelay(50);
3527                 break;
3528         }
3529         default:
3530                 return -EINVAL;
3531         }
3532         return 0;
3533 }
3534
3535 static int
3536 bnx2_acquire_nvram_lock(struct bnx2 *bp)
3537 {
3538         u32 val;
3539         int j;
3540
3541         /* Request access to the flash interface. */
3542         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3543         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3544                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3545                 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3546                         break;
3547
3548                 udelay(5);
3549         }
3550
3551         if (j >= NVRAM_TIMEOUT_COUNT)
3552                 return -EBUSY;
3553
3554         return 0;
3555 }
3556
3557 static int
3558 bnx2_release_nvram_lock(struct bnx2 *bp)
3559 {
3560         int j;
3561         u32 val;
3562
3563         /* Relinquish nvram interface. */
3564         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3565
3566         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3567                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3568                 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3569                         break;
3570
3571                 udelay(5);
3572         }
3573
3574         if (j >= NVRAM_TIMEOUT_COUNT)
3575                 return -EBUSY;
3576
3577         return 0;
3578 }
3579
3580
3581 static int
3582 bnx2_enable_nvram_write(struct bnx2 *bp)
3583 {
3584         u32 val;
3585
3586         val = REG_RD(bp, BNX2_MISC_CFG);
3587         REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3588
3589         if (bp->flash_info->flags & BNX2_NV_WREN) {
3590                 int j;
3591
3592                 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3593                 REG_WR(bp, BNX2_NVM_COMMAND,
3594                        BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3595
3596                 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3597                         udelay(5);
3598
3599                         val = REG_RD(bp, BNX2_NVM_COMMAND);
3600                         if (val & BNX2_NVM_COMMAND_DONE)
3601                                 break;
3602                 }
3603
3604                 if (j >= NVRAM_TIMEOUT_COUNT)
3605                         return -EBUSY;
3606         }
3607         return 0;
3608 }
3609
3610 static void
3611 bnx2_disable_nvram_write(struct bnx2 *bp)
3612 {
3613         u32 val;
3614
3615         val = REG_RD(bp, BNX2_MISC_CFG);
3616         REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3617 }
3618
3619
3620 static void
3621 bnx2_enable_nvram_access(struct bnx2 *bp)
3622 {
3623         u32 val;
3624
3625         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3626         /* Enable both bits, even on read. */
3627         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3628                val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3629 }
3630
3631 static void
3632 bnx2_disable_nvram_access(struct bnx2 *bp)
3633 {
3634         u32 val;
3635
3636         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3637         /* Disable both bits, even after read. */
3638         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3639                 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3640                         BNX2_NVM_ACCESS_ENABLE_WR_EN));
3641 }
3642
3643 static int
3644 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3645 {
3646         u32 cmd;
3647         int j;
3648
3649         if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3650                 /* Buffered flash, no erase needed */
3651                 return 0;
3652
3653         /* Build an erase command */
3654         cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3655               BNX2_NVM_COMMAND_DOIT;
3656
3657         /* Need to clear DONE bit separately. */
3658         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3659
3660         /* Address of the NVRAM to read from. */
3661         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3662
3663         /* Issue an erase command. */
3664         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3665
3666         /* Wait for completion. */
3667         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3668                 u32 val;
3669
3670                 udelay(5);
3671
3672                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3673                 if (val & BNX2_NVM_COMMAND_DONE)
3674                         break;
3675         }
3676
3677         if (j >= NVRAM_TIMEOUT_COUNT)
3678                 return -EBUSY;
3679
3680         return 0;
3681 }
3682
3683 static int
3684 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3685 {
3686         u32 cmd;
3687         int j;
3688
3689         /* Build the command word. */
3690         cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3691
3692         /* Calculate an offset of a buffered flash, not needed for 5709. */
3693         if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3694                 offset = ((offset / bp->flash_info->page_size) <<
3695                            bp->flash_info->page_bits) +
3696                           (offset % bp->flash_info->page_size);
3697         }
3698
3699         /* Need to clear DONE bit separately. */
3700         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3701
3702         /* Address of the NVRAM to read from. */
3703         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3704
3705         /* Issue a read command. */
3706         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3707
3708         /* Wait for completion. */
3709         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3710                 u32 val;
3711
3712                 udelay(5);
3713
3714                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3715                 if (val & BNX2_NVM_COMMAND_DONE) {
3716                         __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3717                         memcpy(ret_val, &v, 4);
3718                         break;
3719                 }
3720         }
3721         if (j >= NVRAM_TIMEOUT_COUNT)
3722                 return -EBUSY;
3723
3724         return 0;
3725 }
3726
3727
3728 static int
3729 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3730 {
3731         u32 cmd;
3732         __be32 val32;
3733         int j;
3734
3735         /* Build the command word. */
3736         cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3737
3738         /* Calculate an offset of a buffered flash, not needed for 5709. */
3739         if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3740                 offset = ((offset / bp->flash_info->page_size) <<
3741                           bp->flash_info->page_bits) +
3742                          (offset % bp->flash_info->page_size);
3743         }
3744
3745         /* Need to clear DONE bit separately. */
3746         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3747
3748         memcpy(&val32, val, 4);
3749
3750         /* Write the data. */
3751         REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3752
3753         /* Address of the NVRAM to write to. */
3754         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3755
3756         /* Issue the write command. */
3757         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3758
3759         /* Wait for completion. */
3760         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3761                 udelay(5);
3762
3763                 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3764                         break;
3765         }
3766         if (j >= NVRAM_TIMEOUT_COUNT)
3767                 return -EBUSY;
3768
3769         return 0;
3770 }
3771
3772 static int
3773 bnx2_init_nvram(struct bnx2 *bp)
3774 {
3775         u32 val;
3776         int j, entry_count, rc = 0;
3777         struct flash_spec *flash;
3778
3779         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3780                 bp->flash_info = &flash_5709;
3781                 goto get_flash_size;
3782         }
3783
3784         /* Determine the selected interface. */
3785         val = REG_RD(bp, BNX2_NVM_CFG1);
3786
3787         entry_count = ARRAY_SIZE(flash_table);
3788
3789         if (val & 0x40000000) {
3790
3791                 /* Flash interface has been reconfigured */
3792                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3793                      j++, flash++) {
3794                         if ((val & FLASH_BACKUP_STRAP_MASK) ==
3795                             (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3796                                 bp->flash_info = flash;
3797                                 break;
3798                         }
3799                 }
3800         }
3801         else {
3802                 u32 mask;
3803                 /* Not yet been reconfigured */
3804
3805                 if (val & (1 << 23))
3806                         mask = FLASH_BACKUP_STRAP_MASK;
3807                 else
3808                         mask = FLASH_STRAP_MASK;
3809
3810                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3811                         j++, flash++) {
3812
3813                         if ((val & mask) == (flash->strapping & mask)) {
3814                                 bp->flash_info = flash;
3815
3816                                 /* Request access to the flash interface. */
3817                                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3818                                         return rc;
3819
3820                                 /* Enable access to flash interface */
3821                                 bnx2_enable_nvram_access(bp);
3822
3823                                 /* Reconfigure the flash interface */
3824                                 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3825                                 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3826                                 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3827                                 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3828
3829                                 /* Disable access to flash interface */
3830                                 bnx2_disable_nvram_access(bp);
3831                                 bnx2_release_nvram_lock(bp);
3832
3833                                 break;
3834                         }
3835                 }
3836         } /* if (val & 0x40000000) */
3837
3838         if (j == entry_count) {
3839                 bp->flash_info = NULL;
3840                 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
3841                 return -ENODEV;
3842         }
3843
3844 get_flash_size:
3845         val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
3846         val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3847         if (val)
3848                 bp->flash_size = val;
3849         else
3850                 bp->flash_size = bp->flash_info->total_size;
3851
3852         return rc;
3853 }
3854
3855 static int
3856 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3857                 int buf_size)
3858 {
3859         int rc = 0;
3860         u32 cmd_flags, offset32, len32, extra;
3861
3862         if (buf_size == 0)
3863                 return 0;
3864
3865         /* Request access to the flash interface. */
3866         if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3867                 return rc;
3868
3869         /* Enable access to flash interface */
3870         bnx2_enable_nvram_access(bp);
3871
3872         len32 = buf_size;
3873         offset32 = offset;
3874         extra = 0;
3875
3876         cmd_flags = 0;
3877
3878         if (offset32 & 3) {
3879                 u8 buf[4];
3880                 u32 pre_len;
3881
3882                 offset32 &= ~3;
3883                 pre_len = 4 - (offset & 3);
3884
3885                 if (pre_len >= len32) {
3886                         pre_len = len32;
3887                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
3888                                     BNX2_NVM_COMMAND_LAST;
3889                 }
3890                 else {
3891                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
3892                 }
3893
3894                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3895
3896                 if (rc)
3897                         return rc;
3898
3899                 memcpy(ret_buf, buf + (offset & 3), pre_len);
3900
3901                 offset32 += 4;
3902                 ret_buf += pre_len;
3903                 len32 -= pre_len;
3904         }
3905         if (len32 & 3) {
3906                 extra = 4 - (len32 & 3);
3907                 len32 = (len32 + 4) & ~3;
3908         }
3909
3910         if (len32 == 4) {
3911                 u8 buf[4];
3912
3913                 if (cmd_flags)
3914                         cmd_flags = BNX2_NVM_COMMAND_LAST;
3915                 else
3916                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
3917                                     BNX2_NVM_COMMAND_LAST;
3918
3919                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3920
3921                 memcpy(ret_buf, buf, 4 - extra);
3922         }
3923         else if (len32 > 0) {
3924                 u8 buf[4];
3925
3926                 /* Read the first word. */
3927                 if (cmd_flags)
3928                         cmd_flags = 0;
3929                 else
3930                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
3931
3932                 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3933
3934                 /* Advance to the next dword. */
3935                 offset32 += 4;
3936                 ret_buf += 4;
3937                 len32 -= 4;
3938
3939                 while (len32 > 4 && rc == 0) {
3940                         rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
3941
3942                         /* Advance to the next dword. */
3943                         offset32 += 4;
3944                         ret_buf += 4;
3945                         len32 -= 4;
3946                 }
3947
3948                 if (rc)
3949                         return rc;
3950
3951                 cmd_flags = BNX2_NVM_COMMAND_LAST;
3952                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3953
3954                 memcpy(ret_buf, buf, 4 - extra);
3955         }
3956
3957         /* Disable access to flash interface */
3958         bnx2_disable_nvram_access(bp);
3959
3960         bnx2_release_nvram_lock(bp);
3961
3962         return rc;
3963 }
3964
3965 static int
3966 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
3967                 int buf_size)
3968 {
3969         u32 written, offset32, len32;
3970         u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
3971         int rc = 0;
3972         int align_start, align_end;
3973
3974         buf = data_buf;
3975         offset32 = offset;
3976         len32 = buf_size;
3977         align_start = align_end = 0;
3978
3979         if ((align_start = (offset32 & 3))) {
3980                 offset32 &= ~3;
3981                 len32 += align_start;
3982                 if (len32 < 4)
3983                         len32 = 4;
3984                 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
3985                         return rc;
3986         }
3987
3988         if (len32 & 3) {
3989                 align_end = 4 - (len32 & 3);
3990                 len32 += align_end;
3991                 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
3992                         return rc;
3993         }
3994
3995         if (align_start || align_end) {
3996                 align_buf = kmalloc(len32, GFP_KERNEL);
3997                 if (align_buf == NULL)
3998                         return -ENOMEM;
3999                 if (align_start) {
4000                         memcpy(align_buf, start, 4);
4001                 }
4002                 if (align_end) {
4003                         memcpy(align_buf + len32 - 4, end, 4);
4004                 }
4005                 memcpy(align_buf + align_start, data_buf, buf_size);
4006                 buf = align_buf;
4007         }
4008
4009         if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4010                 flash_buffer = kmalloc(264, GFP_KERNEL);
4011                 if (flash_buffer == NULL) {
4012                         rc = -ENOMEM;
4013                         goto nvram_write_end;
4014                 }
4015         }
4016
4017         written = 0;
4018         while ((written < len32) && (rc == 0)) {
4019                 u32 page_start, page_end, data_start, data_end;
4020                 u32 addr, cmd_flags;
4021                 int i;
4022
4023                 /* Find the page_start addr */
4024                 page_start = offset32 + written;
4025                 page_start -= (page_start % bp->flash_info->page_size);
4026                 /* Find the page_end addr */
4027                 page_end = page_start + bp->flash_info->page_size;
4028                 /* Find the data_start addr */
4029                 data_start = (written == 0) ? offset32 : page_start;
4030                 /* Find the data_end addr */
4031                 data_end = (page_end > offset32 + len32) ?
4032                         (offset32 + len32) : page_end;
4033
4034                 /* Request access to the flash interface. */
4035                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4036                         goto nvram_write_end;
4037
4038                 /* Enable access to flash interface */
4039                 bnx2_enable_nvram_access(bp);
4040
4041                 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4042                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4043                         int j;
4044
4045                         /* Read the whole page into the buffer
4046                          * (non-buffer flash only) */
4047                         for (j = 0; j < bp->flash_info->page_size; j += 4) {
4048                                 if (j == (bp->flash_info->page_size - 4)) {
4049                                         cmd_flags |= BNX2_NVM_COMMAND_LAST;
4050                                 }
4051                                 rc = bnx2_nvram_read_dword(bp,
4052                                         page_start + j,
4053                                         &flash_buffer[j],
4054                                         cmd_flags);
4055
4056                                 if (rc)
4057                                         goto nvram_write_end;
4058
4059                                 cmd_flags = 0;
4060                         }
4061                 }
4062
4063                 /* Enable writes to flash interface (unlock write-protect) */
4064                 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4065                         goto nvram_write_end;
4066
4067                 /* Loop to write back the buffer data from page_start to
4068                  * data_start */
4069                 i = 0;
4070                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4071                         /* Erase the page */
4072                         if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4073                                 goto nvram_write_end;
4074
4075                         /* Re-enable the write again for the actual write */
4076                         bnx2_enable_nvram_write(bp);
4077
4078                         for (addr = page_start; addr < data_start;
4079                                 addr += 4, i += 4) {
4080
4081                                 rc = bnx2_nvram_write_dword(bp, addr,
4082                                         &flash_buffer[i], cmd_flags);
4083
4084                                 if (rc != 0)
4085                                         goto nvram_write_end;
4086
4087                                 cmd_flags = 0;
4088                         }
4089                 }
4090
4091                 /* Loop to write the new data from data_start to data_end */
4092                 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4093                         if ((addr == page_end - 4) ||
4094                                 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4095                                  (addr == data_end - 4))) {
4096
4097                                 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4098                         }
4099                         rc = bnx2_nvram_write_dword(bp, addr, buf,
4100                                 cmd_flags);
4101
4102                         if (rc != 0)
4103                                 goto nvram_write_end;
4104
4105                         cmd_flags = 0;
4106                         buf += 4;
4107                 }
4108
4109                 /* Loop to write back the buffer data from data_end
4110                  * to page_end */
4111                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4112                         for (addr = data_end; addr < page_end;
4113                                 addr += 4, i += 4) {
4114
4115                                 if (addr == page_end-4) {
4116                                         cmd_flags = BNX2_NVM_COMMAND_LAST;
4117                                 }
4118                                 rc = bnx2_nvram_write_dword(bp, addr,
4119                                         &flash_buffer[i], cmd_flags);
4120
4121                                 if (rc != 0)
4122                                         goto nvram_write_end;
4123
4124                                 cmd_flags = 0;
4125                         }
4126                 }
4127
4128                 /* Disable writes to flash interface (lock write-protect) */
4129                 bnx2_disable_nvram_write(bp);
4130
4131                 /* Disable access to flash interface */
4132                 bnx2_disable_nvram_access(bp);
4133                 bnx2_release_nvram_lock(bp);
4134
4135                 /* Increment written */
4136                 written += data_end - data_start;
4137         }
4138
4139 nvram_write_end:
4140         kfree(flash_buffer);
4141         kfree(align_buf);
4142         return rc;
4143 }
4144
4145 static void
4146 bnx2_init_remote_phy(struct bnx2 *bp)
4147 {
4148         u32 val;
4149
4150         bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4151         if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
4152                 return;
4153
4154         val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4155         if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4156                 return;
4157
4158         if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
4159                 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4160
4161                 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4162                 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4163                         bp->phy_port = PORT_FIBRE;
4164                 else
4165                         bp->phy_port = PORT_TP;
4166
4167                 if (netif_running(bp->dev)) {
4168                         u32 sig;
4169
4170                         sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4171                               BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4172                         bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4173                 }
4174         }
4175 }
4176
4177 static void
4178 bnx2_setup_msix_tbl(struct bnx2 *bp)
4179 {
4180         REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4181
4182         REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4183         REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4184 }
4185
4186 static int
4187 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4188 {
4189         u32 val;
4190         int i, rc = 0;
4191         u8 old_port;
4192
4193         /* Wait for the current PCI transaction to complete before
4194          * issuing a reset. */
4195         REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4196                BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4197                BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4198                BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4199                BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4200         val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4201         udelay(5);
4202
4203         /* Wait for the firmware to tell us it is ok to issue a reset. */
4204         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4205
4206         /* Deposit a driver reset signature so the firmware knows that
4207          * this is a soft reset. */
4208         bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4209                       BNX2_DRV_RESET_SIGNATURE_MAGIC);
4210
4211         /* Do a dummy read to force the chip to complete all current transaction
4212          * before we issue a reset. */
4213         val = REG_RD(bp, BNX2_MISC_ID);
4214
4215         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4216                 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4217                 REG_RD(bp, BNX2_MISC_COMMAND);
4218                 udelay(5);
4219
4220                 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4221                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4222
4223                 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4224
4225         } else {
4226                 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4227                       BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4228                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4229
4230                 /* Chip reset. */
4231                 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4232
4233                 /* Reading back any register after chip reset will hang the
4234                  * bus on 5706 A0 and A1.  The msleep below provides plenty
4235                  * of margin for write posting.
4236                  */
4237                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4238                     (CHIP_ID(bp) == CHIP_ID_5706_A1))
4239                         msleep(20);
4240
4241                 /* Reset takes approximate 30 usec */
4242                 for (i = 0; i < 10; i++) {
4243                         val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4244                         if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4245                                     BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4246                                 break;
4247                         udelay(10);
4248                 }
4249
4250                 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4251                            BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4252                         printk(KERN_ERR PFX "Chip reset did not complete\n");
4253                         return -EBUSY;
4254                 }
4255         }
4256
4257         /* Make sure byte swapping is properly configured. */
4258         val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4259         if (val != 0x01020304) {
4260                 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4261                 return -ENODEV;
4262         }
4263
4264         /* Wait for the firmware to finish its initialization. */
4265         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4266         if (rc)
4267                 return rc;
4268
4269         spin_lock_bh(&bp->phy_lock);
4270         old_port = bp->phy_port;
4271         bnx2_init_remote_phy(bp);
4272         if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4273             old_port != bp->phy_port)
4274                 bnx2_set_default_remote_link(bp);
4275         spin_unlock_bh(&bp->phy_lock);
4276
4277         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4278                 /* Adjust the voltage regular to two steps lower.  The default
4279                  * of this register is 0x0000000e. */
4280                 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4281
4282                 /* Remove bad rbuf memory from the free pool. */
4283                 rc = bnx2_alloc_bad_rbuf(bp);
4284         }
4285
4286         if (bp->flags & BNX2_FLAG_USING_MSIX)
4287                 bnx2_setup_msix_tbl(bp);
4288
4289         return rc;
4290 }
4291
4292 static int
4293 bnx2_init_chip(struct bnx2 *bp)
4294 {
4295         u32 val;
4296         int rc, i;
4297
4298         /* Make sure the interrupt is not active. */
4299         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4300
4301         val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4302               BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4303 #ifdef __BIG_ENDIAN
4304               BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4305 #endif
4306               BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4307               DMA_READ_CHANS << 12 |
4308               DMA_WRITE_CHANS << 16;
4309
4310         val |= (0x2 << 20) | (1 << 11);
4311
4312         if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4313                 val |= (1 << 23);
4314
4315         if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4316             (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4317                 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4318
4319         REG_WR(bp, BNX2_DMA_CONFIG, val);
4320
4321         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4322                 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4323                 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4324                 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4325         }
4326
4327         if (bp->flags & BNX2_FLAG_PCIX) {
4328                 u16 val16;
4329
4330                 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4331                                      &val16);
4332                 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4333                                       val16 & ~PCI_X_CMD_ERO);
4334         }
4335
4336         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4337                BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4338                BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4339                BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4340
4341         /* Initialize context mapping and zero out the quick contexts.  The
4342          * context block must have already been enabled. */
4343         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4344                 rc = bnx2_init_5709_context(bp);
4345                 if (rc)
4346                         return rc;
4347         } else
4348                 bnx2_init_context(bp);
4349
4350         if ((rc = bnx2_init_cpus(bp)) != 0)
4351                 return rc;
4352
4353         bnx2_init_nvram(bp);
4354
4355         bnx2_set_mac_addr(bp);
4356
4357         val = REG_RD(bp, BNX2_MQ_CONFIG);
4358         val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4359         val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4360         if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4361                 val |= BNX2_MQ_CONFIG_HALT_DIS;
4362
4363         REG_WR(bp, BNX2_MQ_CONFIG, val);
4364
4365         val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4366         REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4367         REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4368
4369         val = (BCM_PAGE_BITS - 8) << 24;
4370         REG_WR(bp, BNX2_RV2P_CONFIG, val);
4371
4372         /* Configure page size. */
4373         val = REG_RD(bp, BNX2_TBDR_CONFIG);
4374         val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4375         val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4376         REG_WR(bp, BNX2_TBDR_CONFIG, val);
4377
4378         val = bp->mac_addr[0] +
4379               (bp->mac_addr[1] << 8) +
4380               (bp->mac_addr[2] << 16) +
4381               bp->mac_addr[3] +
4382               (bp->mac_addr[4] << 8) +
4383               (bp->mac_addr[5] << 16);
4384         REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4385
4386         /* Program the MTU.  Also include 4 bytes for CRC32. */
4387         val = bp->dev->mtu + ETH_HLEN + 4;
4388         if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4389                 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4390         REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4391
4392         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4393                 bp->bnx2_napi[i].last_status_idx = 0;
4394
4395         bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4396
4397         /* Set up how to generate a link change interrupt. */
4398         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4399
4400         REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4401                (u64) bp->status_blk_mapping & 0xffffffff);
4402         REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4403
4404         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4405                (u64) bp->stats_blk_mapping & 0xffffffff);
4406         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4407                (u64) bp->stats_blk_mapping >> 32);
4408
4409         REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4410                (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4411
4412         REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4413                (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4414
4415         REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4416                (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4417
4418         REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4419
4420         REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4421
4422         REG_WR(bp, BNX2_HC_COM_TICKS,
4423                (bp->com_ticks_int << 16) | bp->com_ticks);
4424
4425         REG_WR(bp, BNX2_HC_CMD_TICKS,
4426                (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4427
4428         if (CHIP_NUM(bp) == CHIP_NUM_5708)
4429                 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4430         else
4431                 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4432         REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */
4433
4434         if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4435                 val = BNX2_HC_CONFIG_COLLECT_STATS;
4436         else {
4437                 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4438                       BNX2_HC_CONFIG_COLLECT_STATS;
4439         }
4440
4441         if (bp->flags & BNX2_FLAG_USING_MSIX) {
4442                 u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4443                            BNX2_HC_SB_CONFIG_1;
4444
4445                 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4446                        BNX2_HC_MSIX_BIT_VECTOR_VAL);
4447
4448                 REG_WR(bp, base,
4449                         BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4450                         BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4451
4452                 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4453                         (bp->tx_quick_cons_trip_int << 16) |
4454                          bp->tx_quick_cons_trip);
4455
4456                 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4457                         (bp->tx_ticks_int << 16) | bp->tx_ticks);
4458
4459                 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4460         }
4461
4462         if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4463                 val |= BNX2_HC_CONFIG_ONE_SHOT;
4464
4465         REG_WR(bp, BNX2_HC_CONFIG, val);
4466
4467         /* Clear internal stats counters. */
4468         REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4469
4470         REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4471
4472         /* Initialize the receive filter. */
4473         bnx2_set_rx_mode(bp->dev);
4474
4475         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4476                 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4477                 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4478                 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4479         }
4480         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4481                           0);
4482
4483         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4484         REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4485
4486         udelay(20);
4487
4488         bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4489
4490         return rc;
4491 }
4492
4493 static void
4494 bnx2_clear_ring_states(struct bnx2 *bp)
4495 {
4496         struct bnx2_napi *bnapi;
4497         int i;
4498
4499         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4500                 bnapi = &bp->bnx2_napi[i];
4501
4502                 bnapi->tx_cons = 0;
4503                 bnapi->hw_tx_cons = 0;
4504                 bnapi->rx_prod_bseq = 0;
4505                 bnapi->rx_prod = 0;
4506                 bnapi->rx_cons = 0;
4507                 bnapi->rx_pg_prod = 0;
4508                 bnapi->rx_pg_cons = 0;
4509         }
4510 }
4511
4512 static void
4513 bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
4514 {
4515         u32 val, offset0, offset1, offset2, offset3;
4516         u32 cid_addr = GET_CID_ADDR(cid);
4517
4518         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4519                 offset0 = BNX2_L2CTX_TYPE_XI;
4520                 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4521                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4522                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4523         } else {
4524                 offset0 = BNX2_L2CTX_TYPE;
4525                 offset1 = BNX2_L2CTX_CMD_TYPE;
4526                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4527                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4528         }
4529         val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
4530         bnx2_ctx_wr(bp, cid_addr, offset0, val);
4531
4532         val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
4533         bnx2_ctx_wr(bp, cid_addr, offset1, val);
4534
4535         val = (u64) bp->tx_desc_mapping >> 32;
4536         bnx2_ctx_wr(bp, cid_addr, offset2, val);
4537
4538         val = (u64) bp->tx_desc_mapping & 0xffffffff;
4539         bnx2_ctx_wr(bp, cid_addr, offset3, val);
4540 }
4541
4542 static void
4543 bnx2_init_tx_ring(struct bnx2 *bp)
4544 {
4545         struct tx_bd *txbd;
4546         u32 cid = TX_CID;
4547         struct bnx2_napi *bnapi;
4548
4549         bp->tx_vec = 0;
4550         if (bp->flags & BNX2_FLAG_USING_MSIX) {
4551                 cid = TX_TSS_CID;
4552                 bp->tx_vec = BNX2_TX_VEC;
4553                 REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
4554                        (TX_TSS_CID << 7));
4555         }
4556         bnapi = &bp->bnx2_napi[bp->tx_vec];
4557
4558         bp->tx_wake_thresh = bp->tx_ring_size / 2;
4559
4560         txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4561
4562         txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
4563         txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
4564
4565         bp->tx_prod = 0;
4566         bp->tx_prod_bseq = 0;
4567
4568         bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4569         bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4570
4571         bnx2_init_tx_context(bp, cid);
4572 }
4573
4574 static void
4575 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4576                      int num_rings)
4577 {
4578         int i;
4579         struct rx_bd *rxbd;
4580
4581         for (i = 0; i < num_rings; i++) {
4582                 int j;
4583
4584                 rxbd = &rx_ring[i][0];
4585                 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4586                         rxbd->rx_bd_len = buf_size;
4587                         rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4588                 }
4589                 if (i == (num_rings - 1))
4590                         j = 0;
4591                 else
4592                         j = i + 1;
4593                 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4594                 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4595         }
4596 }
4597
4598 static void
4599 bnx2_init_rx_ring(struct bnx2 *bp)
4600 {
4601         int i;
4602         u16 prod, ring_prod;
4603         u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
4604         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
4605
4606         bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
4607                              bp->rx_buf_use_size, bp->rx_max_ring);
4608
4609         bnx2_init_rx_context0(bp);
4610
4611         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4612                 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4613                 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4614         }
4615
4616         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4617         if (bp->rx_pg_ring_size) {
4618                 bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
4619                                      bp->rx_pg_desc_mapping,
4620                                      PAGE_SIZE, bp->rx_max_pg_ring);
4621                 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
4622                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4623                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4624                        BNX2_L2CTX_RBDC_JUMBO_KEY);
4625
4626                 val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
4627                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4628
4629                 val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
4630                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4631
4632                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4633                         REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4634         }
4635
4636         val = (u64) bp->rx_desc_mapping[0] >> 32;
4637         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4638
4639         val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
4640         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4641
4642         ring_prod = prod = bnapi->rx_pg_prod;
4643         for (i = 0; i < bp->rx_pg_ring_size; i++) {
4644                 if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
4645                         break;
4646                 prod = NEXT_RX_BD(prod);
4647                 ring_prod = RX_PG_RING_IDX(prod);
4648         }
4649         bnapi->rx_pg_prod = prod;
4650
4651         ring_prod = prod = bnapi->rx_prod;
4652         for (i = 0; i < bp->rx_ring_size; i++) {
4653                 if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
4654                         break;
4655                 }
4656                 prod = NEXT_RX_BD(prod);
4657                 ring_prod = RX_RING_IDX(prod);
4658         }
4659         bnapi->rx_prod = prod;
4660
4661         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
4662                  bnapi->rx_pg_prod);
4663         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
4664
4665         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
4666 }
4667
4668 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4669 {
4670         u32 max, num_rings = 1;
4671
4672         while (ring_size > MAX_RX_DESC_CNT) {
4673                 ring_size -= MAX_RX_DESC_CNT;
4674                 num_rings++;
4675         }
4676         /* round to next power of 2 */
4677         max = max_size;
4678         while ((max & num_rings) == 0)
4679                 max >>= 1;
4680
4681         if (num_rings != max)
4682                 max <<= 1;
4683
4684         return max;
4685 }
4686
4687 static void
4688 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4689 {
4690         u32 rx_size, rx_space, jumbo_size;
4691
4692         /* 8 for CRC and VLAN */
4693         rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
4694
4695         rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4696                 sizeof(struct skb_shared_info);
4697
4698         bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
4699         bp->rx_pg_ring_size = 0;
4700         bp->rx_max_pg_ring = 0;
4701         bp->rx_max_pg_ring_idx = 0;
4702         if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
4703                 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4704
4705                 jumbo_size = size * pages;
4706                 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4707                         jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4708
4709                 bp->rx_pg_ring_size = jumbo_size;
4710                 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4711                                                         MAX_RX_PG_RINGS);
4712                 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4713                 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
4714                 bp->rx_copy_thresh = 0;
4715         }
4716
4717         bp->rx_buf_use_size = rx_size;
4718         /* hw alignment */
4719         bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4720         bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
4721         bp->rx_ring_size = size;
4722         bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4723         bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4724 }
4725
4726 static void
4727 bnx2_free_tx_skbs(struct bnx2 *bp)
4728 {
4729         int i;
4730
4731         if (bp->tx_buf_ring == NULL)
4732                 return;
4733
4734         for (i = 0; i < TX_DESC_CNT; ) {
4735                 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
4736                 struct sk_buff *skb = tx_buf->skb;
4737                 int j, last;
4738
4739                 if (skb == NULL) {
4740                         i++;
4741                         continue;
4742                 }
4743
4744                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
4745                         skb_headlen(skb), PCI_DMA_TODEVICE);
4746
4747                 tx_buf->skb = NULL;
4748
4749                 last = skb_shinfo(skb)->nr_frags;
4750                 for (j = 0; j < last; j++) {
4751                         tx_buf = &bp->tx_buf_ring[i + j + 1];
4752                         pci_unmap_page(bp->pdev,
4753                                 pci_unmap_addr(tx_buf, mapping),
4754                                 skb_shinfo(skb)->frags[j].size,
4755                                 PCI_DMA_TODEVICE);
4756                 }
4757                 dev_kfree_skb(skb);
4758                 i += j + 1;
4759         }
4760
4761 }
4762
4763 static void
4764 bnx2_free_rx_skbs(struct bnx2 *bp)
4765 {
4766         int i;
4767
4768         if (bp->rx_buf_ring == NULL)
4769                 return;
4770
4771         for (i = 0; i < bp->rx_max_ring_idx; i++) {
4772                 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4773                 struct sk_buff *skb = rx_buf->skb;
4774
4775                 if (skb == NULL)
4776                         continue;
4777
4778                 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4779                         bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4780
4781                 rx_buf->skb = NULL;
4782
4783                 dev_kfree_skb(skb);
4784         }
4785         for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
4786                 bnx2_free_rx_page(bp, i);
4787 }
4788
4789 static void
4790 bnx2_free_skbs(struct bnx2 *bp)
4791 {
4792         bnx2_free_tx_skbs(bp);
4793         bnx2_free_rx_skbs(bp);
4794 }
4795
4796 static int
4797 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4798 {
4799         int rc;
4800
4801         rc = bnx2_reset_chip(bp, reset_code);
4802         bnx2_free_skbs(bp);
4803         if (rc)
4804                 return rc;
4805
4806         if ((rc = bnx2_init_chip(bp)) != 0)
4807                 return rc;
4808
4809         bnx2_clear_ring_states(bp);
4810         bnx2_init_tx_ring(bp);
4811         bnx2_init_rx_ring(bp);
4812         return 0;
4813 }
4814
4815 static int
4816 bnx2_init_nic(struct bnx2 *bp, int reset_phy)
4817 {
4818         int rc;
4819
4820         if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4821                 return rc;
4822
4823         spin_lock_bh(&bp->phy_lock);
4824         bnx2_init_phy(bp, reset_phy);
4825         bnx2_set_link(bp);
4826         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
4827                 bnx2_remote_phy_event(bp);
4828         spin_unlock_bh(&bp->phy_lock);
4829         return 0;
4830 }
4831
4832 static int
4833 bnx2_test_registers(struct bnx2 *bp)
4834 {
4835         int ret;
4836         int i, is_5709;
4837         static const struct {
4838                 u16   offset;
4839                 u16   flags;
4840 #define BNX2_FL_NOT_5709        1
4841                 u32   rw_mask;
4842                 u32   ro_mask;
4843         } reg_tbl[] = {
4844                 { 0x006c, 0, 0x00000000, 0x0000003f },
4845                 { 0x0090, 0, 0xffffffff, 0x00000000 },
4846                 { 0x0094, 0, 0x00000000, 0x00000000 },
4847
4848                 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4849                 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4850                 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4851                 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4852                 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4853                 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4854                 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4855                 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4856                 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4857
4858                 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4859                 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4860                 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4861                 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4862                 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4863                 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4864
4865                 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4866                 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4867                 { 0x0c08, BNX2_FL_NOT_5709,  0x0f0ff073, 0x00000000 },
4868
4869                 { 0x1000, 0, 0x00000000, 0x00000001 },
4870                 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
4871
4872                 { 0x1408, 0, 0x01c00800, 0x00000000 },
4873                 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4874                 { 0x14a8, 0, 0x00000000, 0x000001ff },
4875                 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
4876                 { 0x14b0, 0, 0x00000002, 0x00000001 },
4877                 { 0x14b8, 0, 0x00000000, 0x00000000 },
4878                 { 0x14c0, 0, 0x00000000, 0x00000009 },
4879                 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4880                 { 0x14cc, 0, 0x00000000, 0x00000001 },
4881                 { 0x14d0, 0, 0xffffffff, 0x00000000 },
4882
4883                 { 0x1800, 0, 0x00000000, 0x00000001 },
4884                 { 0x1804, 0, 0x00000000, 0x00000003 },
4885
4886                 { 0x2800, 0, 0x00000000, 0x00000001 },
4887                 { 0x2804, 0, 0x00000000, 0x00003f01 },
4888                 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4889                 { 0x2810, 0, 0xffff0000, 0x00000000 },
4890                 { 0x2814, 0, 0xffff0000, 0x00000000 },
4891                 { 0x2818, 0, 0xffff0000, 0x00000000 },
4892                 { 0x281c, 0, 0xffff0000, 0x00000000 },
4893                 { 0x2834, 0, 0xffffffff, 0x00000000 },
4894                 { 0x2840, 0, 0x00000000, 0xffffffff },
4895                 { 0x2844, 0, 0x00000000, 0xffffffff },
4896                 { 0x2848, 0, 0xffffffff, 0x00000000 },
4897                 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4898
4899                 { 0x2c00, 0, 0x00000000, 0x00000011 },
4900                 { 0x2c04, 0, 0x00000000, 0x00030007 },
4901
4902                 { 0x3c00, 0, 0x00000000, 0x00000001 },
4903                 { 0x3c04, 0, 0x00000000, 0x00070000 },
4904                 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4905                 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4906                 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4907                 { 0x3c14, 0, 0x00000000, 0xffffffff },
4908                 { 0x3c18, 0, 0x00000000, 0xffffffff },
4909                 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4910                 { 0x3c20, 0, 0xffffff00, 0x00000000 },
4911
4912                 { 0x5004, 0, 0x00000000, 0x0000007f },
4913                 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
4914
4915                 { 0x5c00, 0, 0x00000000, 0x00000001 },
4916                 { 0x5c04, 0, 0x00000000, 0x0003000f },
4917                 { 0x5c08, 0, 0x00000003, 0x00000000 },
4918                 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4919                 { 0x5c10, 0, 0x00000000, 0xffffffff },
4920                 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4921                 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4922                 { 0x5c88, 0, 0x00000000, 0x00077373 },
4923                 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4924
4925                 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4926                 { 0x680c, 0, 0xffffffff, 0x00000000 },
4927                 { 0x6810, 0, 0xffffffff, 0x00000000 },
4928                 { 0x6814, 0, 0xffffffff, 0x00000000 },
4929                 { 0x6818, 0, 0xffffffff, 0x00000000 },
4930                 { 0x681c, 0, 0xffffffff, 0x00000000 },
4931                 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4932                 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4933                 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4934                 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4935                 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4936                 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4937                 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4938                 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4939                 { 0x6840, 0, 0x00000ff0, 0x00000000 },
4940                 { 0x6844, 0, 0x00ffff00, 0x00000000 },
4941                 { 0x684c, 0, 0xffffffff, 0x00000000 },
4942                 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
4943                 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
4944                 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
4945                 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
4946                 { 0x6908, 0, 0x00000000, 0x0001ff0f },
4947                 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
4948
4949                 { 0xffff, 0, 0x00000000, 0x00000000 },
4950         };
4951
4952         ret = 0;
4953         is_5709 = 0;
4954         if (CHIP_NUM(bp) == CHIP_NUM_5709)
4955                 is_5709 = 1;
4956
4957         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
4958                 u32 offset, rw_mask, ro_mask, save_val, val;
4959                 u16 flags = reg_tbl[i].flags;
4960
4961                 if (is_5709 && (flags & BNX2_FL_NOT_5709))
4962                         continue;
4963
4964                 offset = (u32) reg_tbl[i].offset;
4965                 rw_mask = reg_tbl[i].rw_mask;
4966                 ro_mask = reg_tbl[i].ro_mask;
4967
4968                 save_val = readl(bp->regview + offset);
4969
4970                 writel(0, bp->regview + offset);
4971
4972                 val = readl(bp->regview + offset);
4973                 if ((val & rw_mask) != 0) {
4974                         goto reg_test_err;
4975                 }
4976
4977                 if ((val & ro_mask) != (save_val & ro_mask)) {
4978                         goto reg_test_err;
4979                 }
4980
4981                 writel(0xffffffff, bp->regview + offset);
4982
4983                 val = readl(bp->regview + offset);
4984                 if ((val & rw_mask) != rw_mask) {
4985                         goto reg_test_err;
4986                 }
4987
4988                 if ((val & ro_mask) != (save_val & ro_mask)) {
4989                         goto reg_test_err;
4990                 }
4991
4992                 writel(save_val, bp->regview + offset);
4993                 continue;
4994
4995 reg_test_err:
4996                 writel(save_val, bp->regview + offset);
4997                 ret = -ENODEV;
4998                 break;
4999         }
5000         return ret;
5001 }
5002
5003 static int
5004 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5005 {
5006         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5007                 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5008         int i;
5009
5010         for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5011                 u32 offset;
5012
5013                 for (offset = 0; offset < size; offset += 4) {
5014
5015                         bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5016
5017                         if (bnx2_reg_rd_ind(bp, start + offset) !=
5018                                 test_pattern[i]) {
5019                                 return -ENODEV;
5020                         }
5021                 }
5022         }
5023         return 0;
5024 }
5025
5026 static int
5027 bnx2_test_memory(struct bnx2 *bp)
5028 {
5029         int ret = 0;
5030         int i;
5031         static struct mem_entry {
5032                 u32   offset;
5033                 u32   len;
5034         } mem_tbl_5706[] = {
5035                 { 0x60000,  0x4000 },
5036                 { 0xa0000,  0x3000 },
5037                 { 0xe0000,  0x4000 },
5038                 { 0x120000, 0x4000 },
5039                 { 0x1a0000, 0x4000 },
5040                 { 0x160000, 0x4000 },
5041                 { 0xffffffff, 0    },
5042         },
5043         mem_tbl_5709[] = {
5044                 { 0x60000,  0x4000 },
5045                 { 0xa0000,  0x3000 },
5046                 { 0xe0000,  0x4000 },
5047                 { 0x120000, 0x4000 },
5048                 { 0x1a0000, 0x4000 },
5049                 { 0xffffffff, 0    },
5050         };
5051         struct mem_entry *mem_tbl;
5052
5053         if (CHIP_NUM(bp) == CHIP_NUM_5709)
5054                 mem_tbl = mem_tbl_5709;
5055         else
5056                 mem_tbl = mem_tbl_5706;
5057
5058         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5059                 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5060                         mem_tbl[i].len)) != 0) {
5061                         return ret;
5062                 }
5063         }
5064
5065         return ret;
5066 }
5067
5068 #define BNX2_MAC_LOOPBACK       0
5069 #define BNX2_PHY_LOOPBACK       1
5070
5071 static int
5072 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5073 {
5074         unsigned int pkt_size, num_pkts, i;
5075         struct sk_buff *skb, *rx_skb;
5076         unsigned char *packet;
5077         u16 rx_start_idx, rx_idx;
5078         dma_addr_t map;
5079         struct tx_bd *txbd;
5080         struct sw_bd *rx_buf;
5081         struct l2_fhdr *rx_hdr;
5082         int ret = -ENODEV;
5083         struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5084
5085         tx_napi = bnapi;
5086         if (bp->flags & BNX2_FLAG_USING_MSIX)
5087                 tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
5088
5089         if (loopback_mode == BNX2_MAC_LOOPBACK) {
5090                 bp->loopback = MAC_LOOPBACK;
5091                 bnx2_set_mac_loopback(bp);
5092         }
5093         else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5094                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5095                         return 0;
5096
5097                 bp->loopback = PHY_LOOPBACK;
5098                 bnx2_set_phy_loopback(bp);
5099         }
5100         else
5101                 return -EINVAL;
5102
5103         pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5104         skb = netdev_alloc_skb(bp->dev, pkt_size);
5105         if (!skb)
5106                 return -ENOMEM;
5107         packet = skb_put(skb, pkt_size);
5108         memcpy(packet, bp->dev->dev_addr, 6);
5109         memset(packet + 6, 0x0, 8);
5110         for (i = 14; i < pkt_size; i++)
5111                 packet[i] = (unsigned char) (i & 0xff);
5112
5113         map = pci_map_single(bp->pdev, skb->data, pkt_size,
5114                 PCI_DMA_TODEVICE);
5115
5116         REG_WR(bp, BNX2_HC_COMMAND,
5117                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5118
5119         REG_RD(bp, BNX2_HC_COMMAND);
5120
5121         udelay(5);
5122         rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5123
5124         num_pkts = 0;
5125
5126         txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
5127
5128         txbd->tx_bd_haddr_hi = (u64) map >> 32;
5129         txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5130         txbd->tx_bd_mss_nbytes = pkt_size;
5131         txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5132
5133         num_pkts++;
5134         bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
5135         bp->tx_prod_bseq += pkt_size;
5136
5137         REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
5138         REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5139
5140         udelay(100);
5141
5142         REG_WR(bp, BNX2_HC_COMMAND,
5143                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5144
5145         REG_RD(bp, BNX2_HC_COMMAND);
5146
5147         udelay(5);
5148
5149         pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5150         dev_kfree_skb(skb);
5151
5152         if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
5153                 goto loopback_test_done;
5154
5155         rx_idx = bnx2_get_hw_rx_cons(bnapi);
5156         if (rx_idx != rx_start_idx + num_pkts) {
5157                 goto loopback_test_done;
5158         }
5159
5160         rx_buf = &bp->rx_buf_ring[rx_start_idx];
5161         rx_skb = rx_buf->skb;
5162
5163         rx_hdr = (struct l2_fhdr *) rx_skb->data;
5164         skb_reserve(rx_skb, BNX2_RX_OFFSET);
5165
5166         pci_dma_sync_single_for_cpu(bp->pdev,
5167                 pci_unmap_addr(rx_buf, mapping),
5168                 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5169
5170         if (rx_hdr->l2_fhdr_status &
5171                 (L2_FHDR_ERRORS_BAD_CRC |
5172                 L2_FHDR_ERRORS_PHY_DECODE |
5173                 L2_FHDR_ERRORS_ALIGNMENT |
5174                 L2_FHDR_ERRORS_TOO_SHORT |
5175                 L2_FHDR_ERRORS_GIANT_FRAME)) {
5176
5177                 goto loopback_test_done;
5178         }
5179
5180         if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5181                 goto loopback_test_done;
5182         }
5183
5184         for (i = 14; i < pkt_size; i++) {
5185                 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5186                         goto loopback_test_done;
5187                 }
5188         }
5189
5190         ret = 0;
5191
5192 loopback_test_done:
5193         bp->loopback = 0;
5194         return ret;
5195 }
5196
5197 #define BNX2_MAC_LOOPBACK_FAILED        1
5198 #define BNX2_PHY_LOOPBACK_FAILED        2
5199 #define BNX2_LOOPBACK_FAILED            (BNX2_MAC_LOOPBACK_FAILED |     \
5200                                          BNX2_PHY_LOOPBACK_FAILED)
5201
5202 static int
5203 bnx2_test_loopback(struct bnx2 *bp)
5204 {
5205         int rc = 0;
5206
5207         if (!netif_running(bp->dev))
5208                 return BNX2_LOOPBACK_FAILED;
5209
5210         bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5211         spin_lock_bh(&bp->phy_lock);
5212         bnx2_init_phy(bp, 1);
5213         spin_unlock_bh(&bp->phy_lock);
5214         if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5215                 rc |= BNX2_MAC_LOOPBACK_FAILED;
5216         if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5217                 rc |= BNX2_PHY_LOOPBACK_FAILED;
5218         return rc;
5219 }
5220
5221 #define NVRAM_SIZE 0x200
5222 #define CRC32_RESIDUAL 0xdebb20e3
5223
5224 static int
5225 bnx2_test_nvram(struct bnx2 *bp)
5226 {
5227         __be32 buf[NVRAM_SIZE / 4];
5228         u8 *data = (u8 *) buf;
5229         int rc = 0;
5230         u32 magic, csum;
5231
5232         if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5233                 goto test_nvram_done;
5234
5235         magic = be32_to_cpu(buf[0]);
5236         if (magic != 0x669955aa) {
5237                 rc = -ENODEV;
5238                 goto test_nvram_done;
5239         }
5240
5241         if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5242                 goto test_nvram_done;
5243
5244         csum = ether_crc_le(0x100, data);
5245         if (csum != CRC32_RESIDUAL) {
5246                 rc = -ENODEV;
5247                 goto test_nvram_done;
5248         }
5249
5250         csum = ether_crc_le(0x100, data + 0x100);
5251         if (csum != CRC32_RESIDUAL) {
5252                 rc = -ENODEV;
5253         }
5254
5255 test_nvram_done:
5256         return rc;
5257 }
5258
5259 static int
5260 bnx2_test_link(struct bnx2 *bp)
5261 {
5262         u32 bmsr;
5263
5264         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5265                 if (bp->link_up)
5266                         return 0;
5267                 return -ENODEV;
5268         }
5269         spin_lock_bh(&bp->phy_lock);
5270         bnx2_enable_bmsr1(bp);
5271         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5272         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5273         bnx2_disable_bmsr1(bp);
5274         spin_unlock_bh(&bp->phy_lock);
5275
5276         if (bmsr & BMSR_LSTATUS) {
5277                 return 0;
5278         }
5279         return -ENODEV;
5280 }
5281
5282 static int
5283 bnx2_test_intr(struct bnx2 *bp)
5284 {
5285         int i;
5286         u16 status_idx;
5287
5288         if (!netif_running(bp->dev))
5289                 return -ENODEV;
5290
5291         status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5292
5293         /* This register is not touched during run-time. */
5294         REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5295         REG_RD(bp, BNX2_HC_COMMAND);
5296
5297         for (i = 0; i < 10; i++) {
5298                 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5299                         status_idx) {
5300
5301                         break;
5302                 }
5303
5304                 msleep_interruptible(10);
5305         }
5306         if (i < 10)
5307                 return 0;
5308
5309         return -ENODEV;
5310 }
5311
5312 /* Determining link for parallel detection. */
5313 static int
5314 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5315 {
5316         u32 mode_ctl, an_dbg, exp;
5317
5318         if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5319                 return 0;
5320
5321         bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5322         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5323
5324         if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5325                 return 0;
5326
5327         bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5328         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5329         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5330
5331         if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5332                 return 0;
5333
5334         bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5335         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5336         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5337
5338         if (exp & MII_EXPAND_REG1_RUDI_C)       /* receiving CONFIG */
5339                 return 0;
5340
5341         return 1;
5342 }
5343
5344 static void
5345 bnx2_5706_serdes_timer(struct bnx2 *bp)
5346 {
5347         int check_link = 1;
5348
5349         spin_lock(&bp->phy_lock);
5350         if (bp->serdes_an_pending) {
5351                 bp->serdes_an_pending--;
5352                 check_link = 0;
5353         } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5354                 u32 bmcr;
5355
5356                 bp->current_interval = bp->timer_interval;
5357
5358                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5359
5360                 if (bmcr & BMCR_ANENABLE) {
5361                         if (bnx2_5706_serdes_has_link(bp)) {
5362                                 bmcr &= ~BMCR_ANENABLE;
5363                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5364                                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5365                                 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5366                         }
5367                 }
5368         }
5369         else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5370                  (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5371                 u32 phy2;
5372
5373                 bnx2_write_phy(bp, 0x17, 0x0f01);
5374                 bnx2_read_phy(bp, 0x15, &phy2);
5375                 if (phy2 & 0x20) {
5376                         u32 bmcr;
5377
5378                         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5379                         bmcr |= BMCR_ANENABLE;
5380                         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5381
5382                         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5383                 }
5384         } else
5385                 bp->current_interval = bp->timer_interval;
5386
5387         if (check_link) {
5388                 u32 val;
5389
5390                 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5391                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5392                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5393
5394                 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5395                         if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5396                                 bnx2_5706s_force_link_dn(bp, 1);
5397                                 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5398                         } else
5399                                 bnx2_set_link(bp);
5400                 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5401                         bnx2_set_link(bp);
5402         }
5403         spin_unlock(&bp->phy_lock);
5404 }
5405
5406 static void
5407 bnx2_5708_serdes_timer(struct bnx2 *bp)
5408 {
5409         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5410                 return;
5411
5412         if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5413                 bp->serdes_an_pending = 0;
5414                 return;
5415         }
5416
5417         spin_lock(&bp->phy_lock);
5418         if (bp->serdes_an_pending)
5419                 bp->serdes_an_pending--;
5420         else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5421                 u32 bmcr;
5422
5423                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5424                 if (bmcr & BMCR_ANENABLE) {
5425                         bnx2_enable_forced_2g5(bp);
5426                         bp->current_interval = SERDES_FORCED_TIMEOUT;
5427                 } else {
5428                         bnx2_disable_forced_2g5(bp);
5429                         bp->serdes_an_pending = 2;
5430                         bp->current_interval = bp->timer_interval;
5431                 }
5432
5433         } else
5434                 bp->current_interval = bp->timer_interval;
5435
5436         spin_unlock(&bp->phy_lock);
5437 }
5438
5439 static void
5440 bnx2_timer(unsigned long data)
5441 {
5442         struct bnx2 *bp = (struct bnx2 *) data;
5443
5444         if (!netif_running(bp->dev))
5445                 return;
5446
5447         if (atomic_read(&bp->intr_sem) != 0)
5448                 goto bnx2_restart_timer;
5449
5450         bnx2_send_heart_beat(bp);
5451
5452         bp->stats_blk->stat_FwRxDrop =
5453                 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5454
5455         /* workaround occasional corrupted counters */
5456         if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5457                 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5458                                             BNX2_HC_COMMAND_STATS_NOW);
5459
5460         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5461                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5462                         bnx2_5706_serdes_timer(bp);
5463                 else
5464                         bnx2_5708_serdes_timer(bp);
5465         }
5466
5467 bnx2_restart_timer:
5468         mod_timer(&bp->timer, jiffies + bp->current_interval);
5469 }
5470
5471 static int
5472 bnx2_request_irq(struct bnx2 *bp)
5473 {
5474         struct net_device *dev = bp->dev;
5475         unsigned long flags;
5476         struct bnx2_irq *irq;
5477         int rc = 0, i;
5478
5479         if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5480                 flags = 0;
5481         else
5482                 flags = IRQF_SHARED;
5483
5484         for (i = 0; i < bp->irq_nvecs; i++) {
5485                 irq = &bp->irq_tbl[i];
5486                 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5487                                  dev);
5488                 if (rc)
5489                         break;
5490                 irq->requested = 1;
5491         }
5492         return rc;
5493 }
5494
5495 static void
5496 bnx2_free_irq(struct bnx2 *bp)
5497 {
5498         struct net_device *dev = bp->dev;
5499         struct bnx2_irq *irq;
5500         int i;
5501
5502         for (i = 0; i < bp->irq_nvecs; i++) {
5503                 irq = &bp->irq_tbl[i];
5504                 if (irq->requested)
5505                         free_irq(irq->vector, dev);
5506                 irq->requested = 0;
5507         }
5508         if (bp->flags & BNX2_FLAG_USING_MSI)
5509                 pci_disable_msi(bp->pdev);
5510         else if (bp->flags & BNX2_FLAG_USING_MSIX)
5511                 pci_disable_msix(bp->pdev);
5512
5513         bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5514 }
5515
5516 static void
5517 bnx2_enable_msix(struct bnx2 *bp)
5518 {
5519         int i, rc;
5520         struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5521
5522         bnx2_setup_msix_tbl(bp);
5523         REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5524         REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5525         REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
5526
5527         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5528                 msix_ent[i].entry = i;
5529                 msix_ent[i].vector = 0;
5530         }
5531
5532         rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5533         if (rc != 0)
5534                 return;
5535
5536         bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
5537         bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;
5538
5539         strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
5540         strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
5541         strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
5542         strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");
5543
5544         bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
5545         bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
5546         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5547                 bp->irq_tbl[i].vector = msix_ent[i].vector;
5548 }
5549
5550 static void
5551 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5552 {
5553         bp->irq_tbl[0].handler = bnx2_interrupt;
5554         strcpy(bp->irq_tbl[0].name, bp->dev->name);
5555         bp->irq_nvecs = 1;
5556         bp->irq_tbl[0].vector = bp->pdev->irq;
5557
5558         if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5559                 bnx2_enable_msix(bp);
5560
5561         if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5562             !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5563                 if (pci_enable_msi(bp->pdev) == 0) {
5564                         bp->flags |= BNX2_FLAG_USING_MSI;
5565                         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5566                                 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5567                                 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5568                         } else
5569                                 bp->irq_tbl[0].handler = bnx2_msi;
5570
5571                         bp->irq_tbl[0].vector = bp->pdev->irq;
5572                 }
5573         }
5574 }
5575
5576 /* Called with rtnl_lock */
5577 static int
5578 bnx2_open(struct net_device *dev)
5579 {
5580         struct bnx2 *bp = netdev_priv(dev);
5581         int rc;
5582
5583         netif_carrier_off(dev);
5584
5585         bnx2_set_power_state(bp, PCI_D0);
5586         bnx2_disable_int(bp);
5587
5588         rc = bnx2_alloc_mem(bp);
5589         if (rc)
5590                 return rc;
5591
5592         bnx2_setup_int_mode(bp, disable_msi);
5593         bnx2_napi_enable(bp);
5594         rc = bnx2_request_irq(bp);
5595
5596         if (rc) {
5597                 bnx2_napi_disable(bp);
5598                 bnx2_free_mem(bp);
5599                 return rc;
5600         }
5601
5602         rc = bnx2_init_nic(bp, 1);
5603
5604         if (rc) {
5605                 bnx2_napi_disable(bp);
5606                 bnx2_free_irq(bp);
5607                 bnx2_free_skbs(bp);
5608                 bnx2_free_mem(bp);
5609                 return rc;
5610         }
5611
5612         mod_timer(&bp->timer, jiffies + bp->current_interval);
5613
5614         atomic_set(&bp->intr_sem, 0);
5615
5616         bnx2_enable_int(bp);
5617
5618         if (bp->flags & BNX2_FLAG_USING_MSI) {
5619                 /* Test MSI to make sure it is working
5620                  * If MSI test fails, go back to INTx mode
5621                  */
5622                 if (bnx2_test_intr(bp) != 0) {
5623                         printk(KERN_WARNING PFX "%s: No interrupt was generated"
5624                                " using MSI, switching to INTx mode. Please"
5625                                " report this failure to the PCI maintainer"
5626                                " and include system chipset information.\n",
5627                                bp->dev->name);
5628
5629                         bnx2_disable_int(bp);
5630                         bnx2_free_irq(bp);
5631
5632                         bnx2_setup_int_mode(bp, 1);
5633
5634                         rc = bnx2_init_nic(bp, 0);
5635
5636                         if (!rc)
5637                                 rc = bnx2_request_irq(bp);
5638
5639                         if (rc) {
5640                                 bnx2_napi_disable(bp);
5641                                 bnx2_free_skbs(bp);
5642                                 bnx2_free_mem(bp);
5643                                 del_timer_sync(&bp->timer);
5644                                 return rc;
5645                         }
5646                         bnx2_enable_int(bp);
5647                 }
5648         }
5649         if (bp->flags & BNX2_FLAG_USING_MSI)
5650                 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5651         else if (bp->flags & BNX2_FLAG_USING_MSIX)
5652                 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5653
5654         netif_start_queue(dev);
5655
5656         return 0;
5657 }
5658
5659 static void
5660 bnx2_reset_task(struct work_struct *work)
5661 {
5662         struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5663
5664         if (!netif_running(bp->dev))
5665                 return;
5666
5667         bp->in_reset_task = 1;
5668         bnx2_netif_stop(bp);
5669
5670         bnx2_init_nic(bp, 1);
5671
5672         atomic_set(&bp->intr_sem, 1);
5673         bnx2_netif_start(bp);
5674         bp->in_reset_task = 0;
5675 }
5676
5677 static void
5678 bnx2_tx_timeout(struct net_device *dev)
5679 {
5680         struct bnx2 *bp = netdev_priv(dev);
5681
5682         /* This allows the netif to be shutdown gracefully before resetting */
5683         schedule_work(&bp->reset_task);
5684 }
5685
5686 #ifdef BCM_VLAN
5687 /* Called with rtnl_lock */
5688 static void
5689 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5690 {
5691         struct bnx2 *bp = netdev_priv(dev);
5692
5693         bnx2_netif_stop(bp);
5694
5695         bp->vlgrp = vlgrp;
5696         bnx2_set_rx_mode(dev);
5697
5698         bnx2_netif_start(bp);
5699 }
5700 #endif
5701
5702 /* Called with netif_tx_lock.
5703  * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5704  * netif_wake_queue().
5705  */
5706 static int
5707 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5708 {
5709         struct bnx2 *bp = netdev_priv(dev);
5710         dma_addr_t mapping;
5711         struct tx_bd *txbd;
5712         struct sw_bd *tx_buf;
5713         u32 len, vlan_tag_flags, last_frag, mss;
5714         u16 prod, ring_prod;
5715         int i;
5716         struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
5717
5718         if (unlikely(bnx2_tx_avail(bp, bnapi) <
5719             (skb_shinfo(skb)->nr_frags + 1))) {
5720                 netif_stop_queue(dev);
5721                 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5722                         dev->name);
5723
5724                 return NETDEV_TX_BUSY;
5725         }
5726         len = skb_headlen(skb);
5727         prod = bp->tx_prod;
5728         ring_prod = TX_RING_IDX(prod);
5729
5730         vlan_tag_flags = 0;
5731         if (skb->ip_summed == CHECKSUM_PARTIAL) {
5732                 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5733         }
5734
5735         if (bp->vlgrp && vlan_tx_tag_present(skb)) {
5736                 vlan_tag_flags |=
5737                         (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5738         }
5739         if ((mss = skb_shinfo(skb)->gso_size)) {
5740                 u32 tcp_opt_len, ip_tcp_len;
5741                 struct iphdr *iph;
5742
5743                 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5744
5745                 tcp_opt_len = tcp_optlen(skb);
5746
5747                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5748                         u32 tcp_off = skb_transport_offset(skb) -
5749                                       sizeof(struct ipv6hdr) - ETH_HLEN;
5750
5751                         vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5752                                           TX_BD_FLAGS_SW_FLAGS;
5753                         if (likely(tcp_off == 0))
5754                                 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5755                         else {
5756                                 tcp_off >>= 3;
5757                                 vlan_tag_flags |= ((tcp_off & 0x3) <<
5758                                                    TX_BD_FLAGS_TCP6_OFF0_SHL) |
5759                                                   ((tcp_off & 0x10) <<
5760                                                    TX_BD_FLAGS_TCP6_OFF4_SHL);
5761                                 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5762                         }
5763                 } else {
5764                         if (skb_header_cloned(skb) &&
5765                             pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5766                                 dev_kfree_skb(skb);
5767                                 return NETDEV_TX_OK;
5768                         }
5769
5770                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5771
5772                         iph = ip_hdr(skb);
5773                         iph->check = 0;
5774                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5775                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5776                                                                  iph->daddr, 0,
5777                                                                  IPPROTO_TCP,
5778                                                                  0);
5779                         if (tcp_opt_len || (iph->ihl > 5)) {
5780                                 vlan_tag_flags |= ((iph->ihl - 5) +
5781                                                    (tcp_opt_len >> 2)) << 8;
5782                         }
5783                 }
5784         } else
5785                 mss = 0;
5786
5787         mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5788
5789         tx_buf = &bp->tx_buf_ring[ring_prod];
5790         tx_buf->skb = skb;
5791         pci_unmap_addr_set(tx_buf, mapping, mapping);
5792
5793         txbd = &bp->tx_desc_ring[ring_prod];
5794
5795         txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5796         txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5797         txbd->tx_bd_mss_nbytes = len | (mss << 16);
5798         txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5799
5800         last_frag = skb_shinfo(skb)->nr_frags;
5801
5802         for (i = 0; i < last_frag; i++) {
5803                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5804
5805                 prod = NEXT_TX_BD(prod);
5806                 ring_prod = TX_RING_IDX(prod);
5807                 txbd = &bp->tx_desc_ring[ring_prod];
5808
5809                 len = frag->size;
5810                 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5811                         len, PCI_DMA_TODEVICE);
5812                 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
5813                                 mapping, mapping);
5814
5815                 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5816                 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5817                 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5818                 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5819
5820         }
5821         txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
5822
5823         prod = NEXT_TX_BD(prod);
5824         bp->tx_prod_bseq += skb->len;
5825
5826         REG_WR16(bp, bp->tx_bidx_addr, prod);
5827         REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5828
5829         mmiowb();
5830
5831         bp->tx_prod = prod;
5832         dev->trans_start = jiffies;
5833
5834         if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
5835                 netif_stop_queue(dev);
5836                 if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
5837                         netif_wake_queue(dev);
5838         }
5839
5840         return NETDEV_TX_OK;
5841 }
5842
5843 /* Called with rtnl_lock */
5844 static int
5845 bnx2_close(struct net_device *dev)
5846 {
5847         struct bnx2 *bp = netdev_priv(dev);
5848         u32 reset_code;
5849
5850         /* Calling flush_scheduled_work() may deadlock because
5851          * linkwatch_event() may be on the workqueue and it will try to get
5852          * the rtnl_lock which we are holding.
5853          */
5854         while (bp->in_reset_task)
5855                 msleep(1);
5856
5857         bnx2_disable_int_sync(bp);
5858         bnx2_napi_disable(bp);
5859         del_timer_sync(&bp->timer);
5860         if (bp->flags & BNX2_FLAG_NO_WOL)
5861                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5862         else if (bp->wol)
5863                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5864         else
5865                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5866         bnx2_reset_chip(bp, reset_code);
5867         bnx2_free_irq(bp);
5868         bnx2_free_skbs(bp);
5869         bnx2_free_mem(bp);
5870         bp->link_up = 0;
5871         netif_carrier_off(bp->dev);
5872         bnx2_set_power_state(bp, PCI_D3hot);
5873         return 0;
5874 }
5875
5876 #define GET_NET_STATS64(ctr)                                    \
5877         (unsigned long) ((unsigned long) (ctr##_hi) << 32) +    \
5878         (unsigned long) (ctr##_lo)
5879
5880 #define GET_NET_STATS32(ctr)            \
5881         (ctr##_lo)
5882
5883 #if (BITS_PER_LONG == 64)
5884 #define GET_NET_STATS   GET_NET_STATS64
5885 #else
5886 #define GET_NET_STATS   GET_NET_STATS32
5887 #endif
5888
5889 static struct net_device_stats *
5890 bnx2_get_stats(struct net_device *dev)
5891 {
5892         struct bnx2 *bp = netdev_priv(dev);
5893         struct statistics_block *stats_blk = bp->stats_blk;
5894         struct net_device_stats *net_stats = &bp->net_stats;
5895
5896         if (bp->stats_blk == NULL) {
5897                 return net_stats;
5898         }
5899         net_stats->rx_packets =
5900                 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
5901                 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
5902                 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
5903
5904         net_stats->tx_packets =
5905                 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
5906                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
5907                 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
5908
5909         net_stats->rx_bytes =
5910                 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
5911
5912         net_stats->tx_bytes =
5913                 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
5914
5915         net_stats->multicast =
5916                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
5917
5918         net_stats->collisions =
5919                 (unsigned long) stats_blk->stat_EtherStatsCollisions;
5920
5921         net_stats->rx_length_errors =
5922                 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
5923                 stats_blk->stat_EtherStatsOverrsizePkts);
5924
5925         net_stats->rx_over_errors =
5926                 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
5927
5928         net_stats->rx_frame_errors =
5929                 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
5930
5931         net_stats->rx_crc_errors =
5932                 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
5933
5934         net_stats->rx_errors = net_stats->rx_length_errors +
5935                 net_stats->rx_over_errors + net_stats->rx_frame_errors +
5936                 net_stats->rx_crc_errors;
5937
5938         net_stats->tx_aborted_errors =
5939                 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
5940                 stats_blk->stat_Dot3StatsLateCollisions);
5941
5942         if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
5943             (CHIP_ID(bp) == CHIP_ID_5708_A0))
5944                 net_stats->tx_carrier_errors = 0;
5945         else {
5946                 net_stats->tx_carrier_errors =
5947                         (unsigned long)
5948                         stats_blk->stat_Dot3StatsCarrierSenseErrors;
5949         }
5950
5951         net_stats->tx_errors =
5952                 (unsigned long)
5953                 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
5954                 +
5955                 net_stats->tx_aborted_errors +
5956                 net_stats->tx_carrier_errors;
5957
5958         net_stats->rx_missed_errors =
5959                 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
5960                 stats_blk->stat_FwRxDrop);
5961
5962         return net_stats;
5963 }
5964
5965 /* All ethtool functions called with rtnl_lock */
5966
5967 static int
5968 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
5969 {
5970         struct bnx2 *bp = netdev_priv(dev);
5971         int support_serdes = 0, support_copper = 0;
5972
5973         cmd->supported = SUPPORTED_Autoneg;
5974         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5975                 support_serdes = 1;
5976                 support_copper = 1;
5977         } else if (bp->phy_port == PORT_FIBRE)
5978                 support_serdes = 1;
5979         else
5980                 support_copper = 1;
5981
5982         if (support_serdes) {
5983                 cmd->supported |= SUPPORTED_1000baseT_Full |
5984                         SUPPORTED_FIBRE;
5985                 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
5986                         cmd->supported |= SUPPORTED_2500baseX_Full;
5987
5988         }
5989         if (support_copper) {
5990                 cmd->supported |= SUPPORTED_10baseT_Half |
5991                         SUPPORTED_10baseT_Full |
5992                         SUPPORTED_100baseT_Half |
5993                         SUPPORTED_100baseT_Full |
5994                         SUPPORTED_1000baseT_Full |
5995                         SUPPORTED_TP;
5996
5997         }
5998
5999         spin_lock_bh(&bp->phy_lock);
6000         cmd->port = bp->phy_port;
6001         cmd->advertising = bp->advertising;
6002
6003         if (bp->autoneg & AUTONEG_SPEED) {
6004                 cmd->autoneg = AUTONEG_ENABLE;
6005         }
6006         else {
6007                 cmd->autoneg = AUTONEG_DISABLE;
6008         }
6009
6010         if (netif_carrier_ok(dev)) {
6011                 cmd->speed = bp->line_speed;
6012                 cmd->duplex = bp->duplex;
6013         }
6014         else {
6015                 cmd->speed = -1;
6016                 cmd->duplex = -1;
6017         }
6018         spin_unlock_bh(&bp->phy_lock);
6019
6020         cmd->transceiver = XCVR_INTERNAL;
6021         cmd->phy_address = bp->phy_addr;
6022
6023         return 0;
6024 }
6025
6026 static int
6027 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6028 {
6029         struct bnx2 *bp = netdev_priv(dev);
6030         u8 autoneg = bp->autoneg;
6031         u8 req_duplex = bp->req_duplex;
6032         u16 req_line_speed = bp->req_line_speed;
6033         u32 advertising = bp->advertising;
6034         int err = -EINVAL;
6035
6036         spin_lock_bh(&bp->phy_lock);
6037
6038         if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6039                 goto err_out_unlock;
6040
6041         if (cmd->port != bp->phy_port &&
6042             !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6043                 goto err_out_unlock;
6044
6045         if (cmd->autoneg == AUTONEG_ENABLE) {
6046                 autoneg |= AUTONEG_SPEED;
6047
6048                 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6049
6050                 /* allow advertising 1 speed */
6051                 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6052                         (cmd->advertising == ADVERTISED_10baseT_Full) ||
6053                         (cmd->advertising == ADVERTISED_100baseT_Half) ||
6054                         (cmd->advertising == ADVERTISED_100baseT_Full)) {
6055
6056                         if (cmd->port == PORT_FIBRE)
6057                                 goto err_out_unlock;
6058
6059                         advertising = cmd->advertising;
6060
6061                 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6062                         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6063                             (cmd->port == PORT_TP))
6064                                 goto err_out_unlock;
6065                 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6066                         advertising = cmd->advertising;
6067                 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6068                         goto err_out_unlock;
6069                 else {
6070                         if (cmd->port == PORT_FIBRE)
6071                                 advertising = ETHTOOL_ALL_FIBRE_SPEED;
6072                         else
6073                                 advertising = ETHTOOL_ALL_COPPER_SPEED;
6074                 }
6075                 advertising |= ADVERTISED_Autoneg;
6076         }
6077         else {
6078                 if (cmd->port == PORT_FIBRE) {
6079                         if ((cmd->speed != SPEED_1000 &&
6080                              cmd->speed != SPEED_2500) ||
6081                             (cmd->duplex != DUPLEX_FULL))
6082                                 goto err_out_unlock;
6083
6084                         if (cmd->speed == SPEED_2500 &&
6085                             !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6086                                 goto err_out_unlock;
6087                 }
6088                 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6089                         goto err_out_unlock;
6090
6091                 autoneg &= ~AUTONEG_SPEED;
6092                 req_line_speed = cmd->speed;
6093                 req_duplex = cmd->duplex;
6094                 advertising = 0;
6095         }
6096
6097         bp->autoneg = autoneg;
6098         bp->advertising = advertising;
6099         bp->req_line_speed = req_line_speed;
6100         bp->req_duplex = req_duplex;
6101
6102         err = bnx2_setup_phy(bp, cmd->port);
6103
6104 err_out_unlock:
6105         spin_unlock_bh(&bp->phy_lock);
6106
6107         return err;
6108 }
6109
6110 static void
6111 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6112 {
6113         struct bnx2 *bp = netdev_priv(dev);
6114
6115         strcpy(info->driver, DRV_MODULE_NAME);
6116         strcpy(info->version, DRV_MODULE_VERSION);
6117         strcpy(info->bus_info, pci_name(bp->pdev));
6118         strcpy(info->fw_version, bp->fw_version);
6119 }
6120
6121 #define BNX2_REGDUMP_LEN                (32 * 1024)
6122
6123 static int
6124 bnx2_get_regs_len(struct net_device *dev)
6125 {
6126         return BNX2_REGDUMP_LEN;
6127 }
6128
6129 static void
6130 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6131 {
6132         u32 *p = _p, i, offset;
6133         u8 *orig_p = _p;
6134         struct bnx2 *bp = netdev_priv(dev);
6135         u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6136                                  0x0800, 0x0880, 0x0c00, 0x0c10,
6137                                  0x0c30, 0x0d08, 0x1000, 0x101c,
6138                                  0x1040, 0x1048, 0x1080, 0x10a4,
6139                                  0x1400, 0x1490, 0x1498, 0x14f0,
6140                                  0x1500, 0x155c, 0x1580, 0x15dc,
6141                                  0x1600, 0x1658, 0x1680, 0x16d8,
6142                                  0x1800, 0x1820, 0x1840, 0x1854,
6143                                  0x1880, 0x1894, 0x1900, 0x1984,
6144                                  0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6145                                  0x1c80, 0x1c94, 0x1d00, 0x1d84,
6146                                  0x2000, 0x2030, 0x23c0, 0x2400,
6147                                  0x2800, 0x2820, 0x2830, 0x2850,
6148                                  0x2b40, 0x2c10, 0x2fc0, 0x3058,
6149                                  0x3c00, 0x3c94, 0x4000, 0x4010,
6150                                  0x4080, 0x4090, 0x43c0, 0x4458,
6151                                  0x4c00, 0x4c18, 0x4c40, 0x4c54,
6152                                  0x4fc0, 0x5010, 0x53c0, 0x5444,
6153                                  0x5c00, 0x5c18, 0x5c80, 0x5c90,
6154                                  0x5fc0, 0x6000, 0x6400, 0x6428,
6155                                  0x6800, 0x6848, 0x684c, 0x6860,
6156                                  0x6888, 0x6910, 0x8000 };
6157
6158         regs->version = 0;
6159
6160         memset(p, 0, BNX2_REGDUMP_LEN);
6161
6162         if (!netif_running(bp->dev))
6163                 return;
6164
6165         i = 0;
6166         offset = reg_boundaries[0];
6167         p += offset;
6168         while (offset < BNX2_REGDUMP_LEN) {
6169                 *p++ = REG_RD(bp, offset);
6170                 offset += 4;
6171                 if (offset == reg_boundaries[i + 1]) {
6172                         offset = reg_boundaries[i + 2];
6173                         p = (u32 *) (orig_p + offset);
6174                         i += 2;
6175                 }
6176         }
6177 }
6178
6179 static void
6180 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6181 {
6182         struct bnx2 *bp = netdev_priv(dev);
6183
6184         if (bp->flags & BNX2_FLAG_NO_WOL) {
6185                 wol->supported = 0;
6186                 wol->wolopts = 0;
6187         }
6188         else {
6189                 wol->supported = WAKE_MAGIC;
6190                 if (bp->wol)
6191                         wol->wolopts = WAKE_MAGIC;
6192                 else
6193                         wol->wolopts = 0;
6194         }
6195         memset(&wol->sopass, 0, sizeof(wol->sopass));
6196 }
6197
6198 static int
6199 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6200 {
6201         struct bnx2 *bp = netdev_priv(dev);
6202
6203         if (wol->wolopts & ~WAKE_MAGIC)
6204                 return -EINVAL;
6205
6206         if (wol->wolopts & WAKE_MAGIC) {
6207                 if (bp->flags & BNX2_FLAG_NO_WOL)
6208                         return -EINVAL;
6209
6210                 bp->wol = 1;
6211         }
6212         else {
6213                 bp->wol = 0;
6214         }
6215         return 0;
6216 }
6217
6218 static int
6219 bnx2_nway_reset(struct net_device *dev)
6220 {
6221         struct bnx2 *bp = netdev_priv(dev);
6222         u32 bmcr;
6223
6224         if (!(bp->autoneg & AUTONEG_SPEED)) {
6225                 return -EINVAL;
6226         }
6227
6228         spin_lock_bh(&bp->phy_lock);
6229
6230         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6231                 int rc;
6232
6233                 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6234                 spin_unlock_bh(&bp->phy_lock);
6235                 return rc;
6236         }
6237
6238         /* Force a link down visible on the other side */
6239         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6240                 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6241                 spin_unlock_bh(&bp->phy_lock);
6242
6243                 msleep(20);
6244
6245                 spin_lock_bh(&bp->phy_lock);
6246
6247                 bp->current_interval = SERDES_AN_TIMEOUT;
6248                 bp->serdes_an_pending = 1;
6249                 mod_timer(&bp->timer, jiffies + bp->current_interval);
6250         }
6251
6252         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6253         bmcr &= ~BMCR_LOOPBACK;
6254         bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6255
6256         spin_unlock_bh(&bp->phy_lock);
6257
6258         return 0;
6259 }
6260
6261 static int
6262 bnx2_get_eeprom_len(struct net_device *dev)
6263 {
6264         struct bnx2 *bp = netdev_priv(dev);
6265
6266         if (bp->flash_info == NULL)
6267                 return 0;
6268
6269         return (int) bp->flash_size;
6270 }
6271
6272 static int
6273 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6274                 u8 *eebuf)
6275 {
6276         struct bnx2 *bp = netdev_priv(dev);
6277         int rc;
6278
6279         /* parameters already validated in ethtool_get_eeprom */
6280
6281         rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6282
6283         return rc;
6284 }
6285
6286 static int
6287 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6288                 u8 *eebuf)
6289 {
6290         struct bnx2 *bp = netdev_priv(dev);
6291         int rc;
6292
6293         /* parameters already validated in ethtool_set_eeprom */
6294
6295         rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6296
6297         return rc;
6298 }
6299
6300 static int
6301 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6302 {
6303         struct bnx2 *bp = netdev_priv(dev);
6304
6305         memset(coal, 0, sizeof(struct ethtool_coalesce));
6306
6307         coal->rx_coalesce_usecs = bp->rx_ticks;
6308         coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6309         coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6310         coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6311
6312         coal->tx_coalesce_usecs = bp->tx_ticks;
6313         coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6314         coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6315         coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6316
6317         coal->stats_block_coalesce_usecs = bp->stats_ticks;
6318
6319         return 0;
6320 }
6321
6322 static int
6323 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6324 {
6325         struct bnx2 *bp = netdev_priv(dev);
6326
6327         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6328         if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6329
6330         bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6331         if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6332
6333         bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6334         if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6335
6336         bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6337         if (bp->rx_quick_cons_trip_int > 0xff)
6338                 bp->rx_quick_cons_trip_int = 0xff;
6339
6340         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6341         if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6342
6343         bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6344         if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6345
6346         bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6347         if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6348
6349         bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6350         if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6351                 0xff;
6352
6353         bp->stats_ticks = coal->stats_block_coalesce_usecs;
6354         if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6355                 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6356                         bp->stats_ticks = USEC_PER_SEC;
6357         }
6358         if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6359                 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6360         bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6361
6362         if (netif_running(bp->dev)) {
6363                 bnx2_netif_stop(bp);
6364                 bnx2_init_nic(bp, 0);
6365                 bnx2_netif_start(bp);
6366         }
6367
6368         return 0;
6369 }
6370
6371 static void
6372 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6373 {
6374         struct bnx2 *bp = netdev_priv(dev);
6375
6376         ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6377         ering->rx_mini_max_pending = 0;
6378         ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6379
6380         ering->rx_pending = bp->rx_ring_size;
6381         ering->rx_mini_pending = 0;
6382         ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6383
6384         ering->tx_max_pending = MAX_TX_DESC_CNT;
6385         ering->tx_pending = bp->tx_ring_size;
6386 }
6387
6388 static int
6389 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6390 {
6391         if (netif_running(bp->dev)) {
6392                 bnx2_netif_stop(bp);
6393                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6394                 bnx2_free_skbs(bp);
6395                 bnx2_free_mem(bp);
6396         }
6397
6398         bnx2_set_rx_ring_size(bp, rx);
6399         bp->tx_ring_size = tx;
6400
6401         if (netif_running(bp->dev)) {
6402                 int rc;
6403
6404                 rc = bnx2_alloc_mem(bp);
6405                 if (rc)
6406                         return rc;
6407                 bnx2_init_nic(bp, 0);
6408                 bnx2_netif_start(bp);
6409         }
6410         return 0;
6411 }
6412
6413 static int
6414 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6415 {
6416         struct bnx2 *bp = netdev_priv(dev);
6417         int rc;
6418
6419         if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6420                 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6421                 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6422
6423                 return -EINVAL;
6424         }
6425         rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6426         return rc;
6427 }
6428
6429 static void
6430 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6431 {
6432         struct bnx2 *bp = netdev_priv(dev);
6433
6434         epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6435         epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6436         epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6437 }
6438
6439 static int
6440 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6441 {
6442         struct bnx2 *bp = netdev_priv(dev);
6443
6444         bp->req_flow_ctrl = 0;
6445         if (epause->rx_pause)
6446                 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6447         if (epause->tx_pause)
6448                 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6449
6450         if (epause->autoneg) {
6451                 bp->autoneg |= AUTONEG_FLOW_CTRL;
6452         }
6453         else {
6454                 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6455         }
6456
6457         spin_lock_bh(&bp->phy_lock);
6458
6459         bnx2_setup_phy(bp, bp->phy_port);
6460
6461         spin_unlock_bh(&bp->phy_lock);
6462
6463         return 0;
6464 }
6465
6466 static u32
6467 bnx2_get_rx_csum(struct net_device *dev)
6468 {
6469         struct bnx2 *bp = netdev_priv(dev);
6470
6471         return bp->rx_csum;
6472 }
6473
6474 static int
6475 bnx2_set_rx_csum(struct net_device *dev, u32 data)
6476 {
6477         struct bnx2 *bp = netdev_priv(dev);
6478
6479         bp->rx_csum = data;
6480         return 0;
6481 }
6482
6483 static int
6484 bnx2_set_tso(struct net_device *dev, u32 data)
6485 {
6486         struct bnx2 *bp = netdev_priv(dev);
6487
6488         if (data) {
6489                 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6490                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6491                         dev->features |= NETIF_F_TSO6;
6492         } else
6493                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6494                                    NETIF_F_TSO_ECN);
6495         return 0;
6496 }
6497
6498 #define BNX2_NUM_STATS 46
6499
6500 static struct {
6501         char string[ETH_GSTRING_LEN];
6502 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6503         { "rx_bytes" },
6504         { "rx_error_bytes" },
6505         { "tx_bytes" },
6506         { "tx_error_bytes" },
6507         { "rx_ucast_packets" },
6508         { "rx_mcast_packets" },
6509         { "rx_bcast_packets" },
6510         { "tx_ucast_packets" },
6511         { "tx_mcast_packets" },
6512         { "tx_bcast_packets" },
6513         { "tx_mac_errors" },
6514         { "tx_carrier_errors" },
6515         { "rx_crc_errors" },
6516         { "rx_align_errors" },
6517         { "tx_single_collisions" },
6518         { "tx_multi_collisions" },
6519         { "tx_deferred" },
6520         { "tx_excess_collisions" },
6521         { "tx_late_collisions" },
6522         { "tx_total_collisions" },
6523         { "rx_fragments" },
6524         { "rx_jabbers" },
6525         { "rx_undersize_packets" },
6526         { "rx_oversize_packets" },
6527         { "rx_64_byte_packets" },
6528         { "rx_65_to_127_byte_packets" },
6529         { "rx_128_to_255_byte_packets" },
6530         { "rx_256_to_511_byte_packets" },
6531         { "rx_512_to_1023_byte_packets" },
6532         { "rx_1024_to_1522_byte_packets" },
6533         { "rx_1523_to_9022_byte_packets" },
6534         { "tx_64_byte_packets" },
6535         { "tx_65_to_127_byte_packets" },
6536         { "tx_128_to_255_byte_packets" },
6537         { "tx_256_to_511_byte_packets" },
6538         { "tx_512_to_1023_byte_packets" },
6539         { "tx_1024_to_1522_byte_packets" },
6540         { "tx_1523_to_9022_byte_packets" },
6541         { "rx_xon_frames" },
6542         { "rx_xoff_frames" },
6543         { "tx_xon_frames" },
6544         { "tx_xoff_frames" },
6545         { "rx_mac_ctrl_frames" },
6546         { "rx_filtered_packets" },
6547         { "rx_discards" },
6548         { "rx_fw_discards" },
6549 };
6550
6551 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6552
6553 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6554     STATS_OFFSET32(stat_IfHCInOctets_hi),
6555     STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6556     STATS_OFFSET32(stat_IfHCOutOctets_hi),
6557     STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6558     STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6559     STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6560     STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6561     STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6562     STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6563     STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6564     STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6565     STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6566     STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6567     STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6568     STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6569     STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6570     STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6571     STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6572     STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6573     STATS_OFFSET32(stat_EtherStatsCollisions),
6574     STATS_OFFSET32(stat_EtherStatsFragments),
6575     STATS_OFFSET32(stat_EtherStatsJabbers),
6576     STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6577     STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6578     STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6579     STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6580     STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6581     STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6582     STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6583     STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6584     STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6585     STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6586     STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6587     STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6588     STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6589     STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6590     STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6591     STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6592     STATS_OFFSET32(stat_XonPauseFramesReceived),
6593     STATS_OFFSET32(stat_XoffPauseFramesReceived),
6594     STATS_OFFSET32(stat_OutXonSent),
6595     STATS_OFFSET32(stat_OutXoffSent),
6596     STATS_OFFSET32(stat_MacControlFramesReceived),
6597     STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6598     STATS_OFFSET32(stat_IfInMBUFDiscards),
6599     STATS_OFFSET32(stat_FwRxDrop),
6600 };
6601
6602 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6603  * skipped because of errata.
6604  */
6605 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6606         8,0,8,8,8,8,8,8,8,8,
6607         4,0,4,4,4,4,4,4,4,4,
6608         4,4,4,4,4,4,4,4,4,4,
6609         4,4,4,4,4,4,4,4,4,4,
6610         4,4,4,4,4,4,
6611 };
6612
6613 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6614         8,0,8,8,8,8,8,8,8,8,
6615         4,4,4,4,4,4,4,4,4,4,
6616         4,4,4,4,4,4,4,4,4,4,
6617         4,4,4,4,4,4,4,4,4,4,
6618         4,4,4,4,4,4,
6619 };
6620
6621 #define BNX2_NUM_TESTS 6
6622
6623 static struct {
6624         char string[ETH_GSTRING_LEN];
6625 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6626         { "register_test (offline)" },
6627         { "memory_test (offline)" },
6628         { "loopback_test (offline)" },
6629         { "nvram_test (online)" },
6630         { "interrupt_test (online)" },
6631         { "link_test (online)" },
6632 };
6633
6634 static int
6635 bnx2_get_sset_count(struct net_device *dev, int sset)
6636 {
6637         switch (sset) {
6638         case ETH_SS_TEST:
6639                 return BNX2_NUM_TESTS;
6640         case ETH_SS_STATS:
6641                 return BNX2_NUM_STATS;
6642         default:
6643                 return -EOPNOTSUPP;
6644         }
6645 }
6646
6647 static void
6648 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6649 {
6650         struct bnx2 *bp = netdev_priv(dev);
6651
6652         memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6653         if (etest->flags & ETH_TEST_FL_OFFLINE) {
6654                 int i;
6655
6656                 bnx2_netif_stop(bp);
6657                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6658                 bnx2_free_skbs(bp);
6659
6660                 if (bnx2_test_registers(bp) != 0) {
6661                         buf[0] = 1;
6662                         etest->flags |= ETH_TEST_FL_FAILED;
6663                 }
6664                 if (bnx2_test_memory(bp) != 0) {
6665                         buf[1] = 1;
6666                         etest->flags |= ETH_TEST_FL_FAILED;
6667                 }
6668                 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6669                         etest->flags |= ETH_TEST_FL_FAILED;
6670
6671                 if (!netif_running(bp->dev)) {
6672                         bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6673                 }
6674                 else {
6675                         bnx2_init_nic(bp, 1);
6676                         bnx2_netif_start(bp);
6677                 }
6678
6679                 /* wait for link up */
6680                 for (i = 0; i < 7; i++) {
6681                         if (bp->link_up)
6682                                 break;
6683                         msleep_interruptible(1000);
6684                 }
6685         }
6686
6687         if (bnx2_test_nvram(bp) != 0) {
6688                 buf[3] = 1;
6689                 etest->flags |= ETH_TEST_FL_FAILED;
6690         }
6691         if (bnx2_test_intr(bp) != 0) {
6692                 buf[4] = 1;
6693                 etest->flags |= ETH_TEST_FL_FAILED;
6694         }
6695
6696         if (bnx2_test_link(bp) != 0) {
6697                 buf[5] = 1;
6698                 etest->flags |= ETH_TEST_FL_FAILED;
6699
6700         }
6701 }
6702
6703 static void
6704 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6705 {
6706         switch (stringset) {
6707         case ETH_SS_STATS:
6708                 memcpy(buf, bnx2_stats_str_arr,
6709                         sizeof(bnx2_stats_str_arr));
6710                 break;
6711         case ETH_SS_TEST:
6712                 memcpy(buf, bnx2_tests_str_arr,
6713                         sizeof(bnx2_tests_str_arr));
6714                 break;
6715         }
6716 }
6717
6718 static void
6719 bnx2_get_ethtool_stats(struct net_device *dev,
6720                 struct ethtool_stats *stats, u64 *buf)
6721 {
6722         struct bnx2 *bp = netdev_priv(dev);
6723         int i;
6724         u32 *hw_stats = (u32 *) bp->stats_blk;
6725         u8 *stats_len_arr = NULL;
6726
6727         if (hw_stats == NULL) {
6728                 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6729                 return;
6730         }
6731
6732         if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6733             (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6734             (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6735             (CHIP_ID(bp) == CHIP_ID_5708_A0))
6736                 stats_len_arr = bnx2_5706_stats_len_arr;
6737         else
6738                 stats_len_arr = bnx2_5708_stats_len_arr;
6739
6740         for (i = 0; i < BNX2_NUM_STATS; i++) {
6741                 if (stats_len_arr[i] == 0) {
6742                         /* skip this counter */
6743                         buf[i] = 0;
6744                         continue;
6745                 }
6746                 if (stats_len_arr[i] == 4) {
6747                         /* 4-byte counter */
6748                         buf[i] = (u64)
6749                                 *(hw_stats + bnx2_stats_offset_arr[i]);
6750                         continue;
6751                 }
6752                 /* 8-byte counter */
6753                 buf[i] = (((u64) *(hw_stats +
6754                                         bnx2_stats_offset_arr[i])) << 32) +
6755                                 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6756         }
6757 }
6758
6759 static int
6760 bnx2_phys_id(struct net_device *dev, u32 data)
6761 {
6762         struct bnx2 *bp = netdev_priv(dev);
6763         int i;
6764         u32 save;
6765
6766         if (data == 0)
6767                 data = 2;
6768
6769         save = REG_RD(bp, BNX2_MISC_CFG);
6770         REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6771
6772         for (i = 0; i < (data * 2); i++) {
6773                 if ((i % 2) == 0) {
6774                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6775                 }
6776                 else {
6777                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6778                                 BNX2_EMAC_LED_1000MB_OVERRIDE |
6779                                 BNX2_EMAC_LED_100MB_OVERRIDE |
6780                                 BNX2_EMAC_LED_10MB_OVERRIDE |
6781                                 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6782                                 BNX2_EMAC_LED_TRAFFIC);
6783                 }
6784                 msleep_interruptible(500);
6785                 if (signal_pending(current))
6786                         break;
6787         }
6788         REG_WR(bp, BNX2_EMAC_LED, 0);
6789         REG_WR(bp, BNX2_MISC_CFG, save);
6790         return 0;
6791 }
6792
6793 static int
6794 bnx2_set_tx_csum(struct net_device *dev, u32 data)
6795 {
6796         struct bnx2 *bp = netdev_priv(dev);
6797
6798         if (CHIP_NUM(bp) == CHIP_NUM_5709)
6799                 return (ethtool_op_set_tx_ipv6_csum(dev, data));
6800         else
6801                 return (ethtool_op_set_tx_csum(dev, data));
6802 }
6803
6804 static const struct ethtool_ops bnx2_ethtool_ops = {
6805         .get_settings           = bnx2_get_settings,
6806         .set_settings           = bnx2_set_settings,
6807         .get_drvinfo            = bnx2_get_drvinfo,
6808         .get_regs_len           = bnx2_get_regs_len,
6809         .get_regs               = bnx2_get_regs,
6810         .get_wol                = bnx2_get_wol,
6811         .set_wol                = bnx2_set_wol,
6812         .nway_reset             = bnx2_nway_reset,
6813         .get_link               = ethtool_op_get_link,
6814         .get_eeprom_len         = bnx2_get_eeprom_len,
6815         .get_eeprom             = bnx2_get_eeprom,
6816         .set_eeprom             = bnx2_set_eeprom,
6817         .get_coalesce           = bnx2_get_coalesce,
6818         .set_coalesce           = bnx2_set_coalesce,
6819         .get_ringparam          = bnx2_get_ringparam,
6820         .set_ringparam          = bnx2_set_ringparam,
6821         .get_pauseparam         = bnx2_get_pauseparam,
6822         .set_pauseparam         = bnx2_set_pauseparam,
6823         .get_rx_csum            = bnx2_get_rx_csum,
6824         .set_rx_csum            = bnx2_set_rx_csum,
6825         .set_tx_csum            = bnx2_set_tx_csum,
6826         .set_sg                 = ethtool_op_set_sg,
6827         .set_tso                = bnx2_set_tso,
6828         .self_test              = bnx2_self_test,
6829         .get_strings            = bnx2_get_strings,
6830         .phys_id                = bnx2_phys_id,
6831         .get_ethtool_stats      = bnx2_get_ethtool_stats,
6832         .get_sset_count         = bnx2_get_sset_count,
6833 };
6834
6835 /* Called with rtnl_lock */
6836 static int
6837 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
6838 {
6839         struct mii_ioctl_data *data = if_mii(ifr);
6840         struct bnx2 *bp = netdev_priv(dev);
6841         int err;
6842
6843         switch(cmd) {
6844         case SIOCGMIIPHY:
6845                 data->phy_id = bp->phy_addr;
6846
6847                 /* fallthru */
6848         case SIOCGMIIREG: {
6849                 u32 mii_regval;
6850
6851                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6852                         return -EOPNOTSUPP;
6853
6854                 if (!netif_running(dev))
6855                         return -EAGAIN;
6856
6857                 spin_lock_bh(&bp->phy_lock);
6858                 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
6859                 spin_unlock_bh(&bp->phy_lock);
6860
6861                 data->val_out = mii_regval;
6862
6863                 return err;
6864         }
6865
6866         case SIOCSMIIREG:
6867                 if (!capable(CAP_NET_ADMIN))
6868                         return -EPERM;
6869
6870                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6871                         return -EOPNOTSUPP;
6872
6873                 if (!netif_running(dev))
6874                         return -EAGAIN;
6875
6876                 spin_lock_bh(&bp->phy_lock);
6877                 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
6878                 spin_unlock_bh(&bp->phy_lock);
6879
6880                 return err;
6881
6882         default:
6883                 /* do nothing */
6884                 break;
6885         }
6886         return -EOPNOTSUPP;
6887 }
6888
6889 /* Called with rtnl_lock */
6890 static int
6891 bnx2_change_mac_addr(struct net_device *dev, void *p)
6892 {
6893         struct sockaddr *addr = p;
6894         struct bnx2 *bp = netdev_priv(dev);
6895
6896         if (!is_valid_ether_addr(addr->sa_data))
6897                 return -EINVAL;
6898
6899         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6900         if (netif_running(dev))
6901                 bnx2_set_mac_addr(bp);
6902
6903         return 0;
6904 }
6905
6906 /* Called with rtnl_lock */
6907 static int
6908 bnx2_change_mtu(struct net_device *dev, int new_mtu)
6909 {
6910         struct bnx2 *bp = netdev_priv(dev);
6911
6912         if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
6913                 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
6914                 return -EINVAL;
6915
6916         dev->mtu = new_mtu;
6917         return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
6918 }
6919
6920 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
6921 static void
6922 poll_bnx2(struct net_device *dev)
6923 {
6924         struct bnx2 *bp = netdev_priv(dev);
6925
6926         disable_irq(bp->pdev->irq);
6927         bnx2_interrupt(bp->pdev->irq, dev);
6928         enable_irq(bp->pdev->irq);
6929 }
6930 #endif
6931
6932 static void __devinit
6933 bnx2_get_5709_media(struct bnx2 *bp)
6934 {
6935         u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
6936         u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
6937         u32 strap;
6938
6939         if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
6940                 return;
6941         else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
6942                 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
6943                 return;
6944         }
6945
6946         if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
6947                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
6948         else
6949                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
6950
6951         if (PCI_FUNC(bp->pdev->devfn) == 0) {
6952                 switch (strap) {
6953                 case 0x4:
6954                 case 0x5:
6955                 case 0x6:
6956                         bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
6957                         return;
6958                 }
6959         } else {
6960                 switch (strap) {
6961                 case 0x1:
6962                 case 0x2:
6963                 case 0x4:
6964                         bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
6965                         return;
6966                 }
6967         }
6968 }
6969
6970 static void __devinit
6971 bnx2_get_pci_speed(struct bnx2 *bp)
6972 {
6973         u32 reg;
6974
6975         reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
6976         if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
6977                 u32 clkreg;
6978
6979                 bp->flags |= BNX2_FLAG_PCIX;
6980
6981                 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
6982
6983                 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
6984                 switch (clkreg) {
6985                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
6986                         bp->bus_speed_mhz = 133;
6987                         break;
6988
6989                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
6990                         bp->bus_speed_mhz = 100;
6991                         break;
6992
6993                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
6994                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
6995                         bp->bus_speed_mhz = 66;
6996                         break;
6997
6998                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
6999                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7000                         bp->bus_speed_mhz = 50;
7001                         break;
7002
7003                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7004                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7005                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7006                         bp->bus_speed_mhz = 33;
7007                         break;
7008                 }
7009         }
7010         else {
7011                 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7012                         bp->bus_speed_mhz = 66;
7013                 else
7014                         bp->bus_speed_mhz = 33;
7015         }
7016
7017         if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
7018                 bp->flags |= BNX2_FLAG_PCI_32BIT;
7019
7020 }
7021
7022 static int __devinit
7023 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7024 {
7025         struct bnx2 *bp;
7026         unsigned long mem_len;
7027         int rc, i, j;
7028         u32 reg;
7029         u64 dma_mask, persist_dma_mask;
7030
7031         SET_NETDEV_DEV(dev, &pdev->dev);
7032         bp = netdev_priv(dev);
7033
7034         bp->flags = 0;
7035         bp->phy_flags = 0;
7036
7037         /* enable device (incl. PCI PM wakeup), and bus-mastering */
7038         rc = pci_enable_device(pdev);
7039         if (rc) {
7040                 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7041                 goto err_out;
7042         }
7043
7044         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7045                 dev_err(&pdev->dev,
7046                         "Cannot find PCI device base address, aborting.\n");
7047                 rc = -ENODEV;
7048                 goto err_out_disable;
7049         }
7050
7051         rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7052         if (rc) {
7053                 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7054                 goto err_out_disable;
7055         }
7056
7057         pci_set_master(pdev);
7058         pci_save_state(pdev);
7059
7060         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7061         if (bp->pm_cap == 0) {
7062                 dev_err(&pdev->dev,
7063                         "Cannot find power management capability, aborting.\n");
7064                 rc = -EIO;
7065                 goto err_out_release;
7066         }
7067
7068         bp->dev = dev;
7069         bp->pdev = pdev;
7070
7071         spin_lock_init(&bp->phy_lock);
7072         spin_lock_init(&bp->indirect_lock);
7073         INIT_WORK(&bp->reset_task, bnx2_reset_task);
7074
7075         dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7076         mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
7077         dev->mem_end = dev->mem_start + mem_len;
7078         dev->irq = pdev->irq;
7079
7080         bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7081
7082         if (!bp->regview) {
7083                 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7084                 rc = -ENOMEM;
7085                 goto err_out_release;
7086         }
7087
7088         /* Configure byte swap and enable write to the reg_window registers.
7089          * Rely on CPU to do target byte swapping on big endian systems
7090          * The chip's target access swapping will not swap all accesses
7091          */
7092         pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7093                                BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7094                                BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7095
7096         bnx2_set_power_state(bp, PCI_D0);
7097
7098         bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7099
7100         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7101                 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7102                         dev_err(&pdev->dev,
7103                                 "Cannot find PCIE capability, aborting.\n");
7104                         rc = -EIO;
7105                         goto err_out_unmap;
7106                 }
7107                 bp->flags |= BNX2_FLAG_PCIE;
7108                 if (CHIP_REV(bp) == CHIP_REV_Ax)
7109                         bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7110         } else {
7111                 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7112                 if (bp->pcix_cap == 0) {
7113                         dev_err(&pdev->dev,
7114                                 "Cannot find PCIX capability, aborting.\n");
7115                         rc = -EIO;
7116                         goto err_out_unmap;
7117                 }
7118         }
7119
7120         if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7121                 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7122                         bp->flags |= BNX2_FLAG_MSIX_CAP;
7123         }
7124
7125         if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7126                 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7127                         bp->flags |= BNX2_FLAG_MSI_CAP;
7128         }
7129
7130         /* 5708 cannot support DMA addresses > 40-bit.  */
7131         if (CHIP_NUM(bp) == CHIP_NUM_5708)
7132                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7133         else
7134                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7135
7136         /* Configure DMA attributes. */
7137         if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7138                 dev->features |= NETIF_F_HIGHDMA;
7139                 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7140                 if (rc) {
7141                         dev_err(&pdev->dev,
7142                                 "pci_set_consistent_dma_mask failed, aborting.\n");
7143                         goto err_out_unmap;
7144                 }
7145         } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7146                 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7147                 goto err_out_unmap;
7148         }
7149
7150         if (!(bp->flags & BNX2_FLAG_PCIE))
7151                 bnx2_get_pci_speed(bp);
7152
7153         /* 5706A0 may falsely detect SERR and PERR. */
7154         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7155                 reg = REG_RD(bp, PCI_COMMAND);
7156                 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7157                 REG_WR(bp, PCI_COMMAND, reg);
7158         }
7159         else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
7160                 !(bp->flags & BNX2_FLAG_PCIX)) {
7161
7162                 dev_err(&pdev->dev,
7163                         "5706 A1 can only be used in a PCIX bus, aborting.\n");
7164                 goto err_out_unmap;
7165         }
7166
7167         bnx2_init_nvram(bp);
7168
7169         reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7170
7171         if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7172             BNX2_SHM_HDR_SIGNATURE_SIG) {
7173                 u32 off = PCI_FUNC(pdev->devfn) << 2;
7174
7175                 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7176         } else
7177                 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7178
7179         /* Get the permanent MAC address.  First we need to make sure the
7180          * firmware is actually running.
7181          */
7182         reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7183
7184         if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7185             BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7186                 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7187                 rc = -ENODEV;
7188                 goto err_out_unmap;
7189         }
7190
7191         reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7192         for (i = 0, j = 0; i < 3; i++) {
7193                 u8 num, k, skip0;
7194
7195                 num = (u8) (reg >> (24 - (i * 8)));
7196                 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7197                         if (num >= k || !skip0 || k == 1) {
7198                                 bp->fw_version[j++] = (num / k) + '0';
7199                                 skip0 = 0;
7200                         }
7201                 }
7202                 if (i != 2)
7203                         bp->fw_version[j++] = '.';
7204         }
7205         reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
7206         if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7207                 bp->wol = 1;
7208
7209         if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7210                 bp->flags |= BNX2_FLAG_ASF_ENABLE;
7211
7212                 for (i = 0; i < 30; i++) {
7213                         reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7214                         if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7215                                 break;
7216                         msleep(10);
7217                 }
7218         }
7219         reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7220         reg &= BNX2_CONDITION_MFW_RUN_MASK;
7221         if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7222             reg != BNX2_CONDITION_MFW_RUN_NONE) {
7223                 int i;
7224                 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7225
7226                 bp->fw_version[j++] = ' ';
7227                 for (i = 0; i < 3; i++) {
7228                         reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7229                         reg = swab32(reg);
7230                         memcpy(&bp->fw_version[j], &reg, 4);
7231                         j += 4;
7232                 }
7233         }
7234
7235         reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7236         bp->mac_addr[0] = (u8) (reg >> 8);
7237         bp->mac_addr[1] = (u8) reg;
7238
7239         reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7240         bp->mac_addr[2] = (u8) (reg >> 24);
7241         bp->mac_addr[3] = (u8) (reg >> 16);
7242         bp->mac_addr[4] = (u8) (reg >> 8);
7243         bp->mac_addr[5] = (u8) reg;
7244
7245         bp->tx_ring_size = MAX_TX_DESC_CNT;
7246         bnx2_set_rx_ring_size(bp, 255);
7247
7248         bp->rx_csum = 1;
7249
7250         bp->tx_quick_cons_trip_int = 20;
7251         bp->tx_quick_cons_trip = 20;
7252         bp->tx_ticks_int = 80;
7253         bp->tx_ticks = 80;
7254
7255         bp->rx_quick_cons_trip_int = 6;
7256         bp->rx_quick_cons_trip = 6;
7257         bp->rx_ticks_int = 18;
7258         bp->rx_ticks = 18;
7259
7260         bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7261
7262         bp->timer_interval =  HZ;
7263         bp->current_interval =  HZ;
7264
7265         bp->phy_addr = 1;
7266
7267         /* Disable WOL support if we are running on a SERDES chip. */
7268         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7269                 bnx2_get_5709_media(bp);
7270         else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7271                 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7272
7273         bp->phy_port = PORT_TP;
7274         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7275                 bp->phy_port = PORT_FIBRE;
7276                 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
7277                 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7278                         bp->flags |= BNX2_FLAG_NO_WOL;
7279                         bp->wol = 0;
7280                 }
7281                 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7282                         /* Don't do parallel detect on this board because of
7283                          * some board problems.  The link will not go down
7284                          * if we do parallel detect.
7285                          */
7286                         if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7287                             pdev->subsystem_device == 0x310c)
7288                                 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7289                 } else {
7290                         bp->phy_addr = 2;
7291                         if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7292                                 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
7293                 }
7294                 bnx2_init_remote_phy(bp);
7295
7296         } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7297                    CHIP_NUM(bp) == CHIP_NUM_5708)
7298                 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7299         else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7300                  (CHIP_REV(bp) == CHIP_REV_Ax ||
7301                   CHIP_REV(bp) == CHIP_REV_Bx))
7302                 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7303
7304         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7305             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
7306             (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
7307                 bp->flags |= BNX2_FLAG_NO_WOL;
7308                 bp->wol = 0;
7309         }
7310
7311         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7312                 bp->tx_quick_cons_trip_int =
7313                         bp->tx_quick_cons_trip;
7314                 bp->tx_ticks_int = bp->tx_ticks;
7315                 bp->rx_quick_cons_trip_int =
7316                         bp->rx_quick_cons_trip;
7317                 bp->rx_ticks_int = bp->rx_ticks;
7318                 bp->comp_prod_trip_int = bp->comp_prod_trip;
7319                 bp->com_ticks_int = bp->com_ticks;
7320                 bp->cmd_ticks_int = bp->cmd_ticks;
7321         }
7322
7323         /* Disable MSI on 5706 if AMD 8132 bridge is found.
7324          *
7325          * MSI is defined to be 32-bit write.  The 5706 does 64-bit MSI writes
7326          * with byte enables disabled on the unused 32-bit word.  This is legal
7327          * but causes problems on the AMD 8132 which will eventually stop
7328          * responding after a while.
7329          *
7330          * AMD believes this incompatibility is unique to the 5706, and
7331          * prefers to locally disable MSI rather than globally disabling it.
7332          */
7333         if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7334                 struct pci_dev *amd_8132 = NULL;
7335
7336                 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7337                                                   PCI_DEVICE_ID_AMD_8132_BRIDGE,
7338                                                   amd_8132))) {
7339
7340                         if (amd_8132->revision >= 0x10 &&
7341                             amd_8132->revision <= 0x13) {
7342                                 disable_msi = 1;
7343                                 pci_dev_put(amd_8132);
7344                                 break;
7345                         }
7346                 }
7347         }
7348
7349         bnx2_set_default_link(bp);
7350         bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7351
7352         init_timer(&bp->timer);
7353         bp->timer.expires = RUN_AT(bp->timer_interval);
7354         bp->timer.data = (unsigned long) bp;
7355         bp->timer.function = bnx2_timer;
7356
7357         return 0;
7358
7359 err_out_unmap:
7360         if (bp->regview) {
7361                 iounmap(bp->regview);
7362                 bp->regview = NULL;
7363         }
7364
7365 err_out_release:
7366         pci_release_regions(pdev);
7367
7368 err_out_disable:
7369         pci_disable_device(pdev);
7370         pci_set_drvdata(pdev, NULL);
7371
7372 err_out:
7373         return rc;
7374 }
7375
7376 static char * __devinit
7377 bnx2_bus_string(struct bnx2 *bp, char *str)
7378 {
7379         char *s = str;
7380
7381         if (bp->flags & BNX2_FLAG_PCIE) {
7382                 s += sprintf(s, "PCI Express");
7383         } else {
7384                 s += sprintf(s, "PCI");
7385                 if (bp->flags & BNX2_FLAG_PCIX)
7386                         s += sprintf(s, "-X");
7387                 if (bp->flags & BNX2_FLAG_PCI_32BIT)
7388                         s += sprintf(s, " 32-bit");
7389                 else
7390                         s += sprintf(s, " 64-bit");
7391                 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7392         }
7393         return str;
7394 }
7395
7396 static void __devinit
7397 bnx2_init_napi(struct bnx2 *bp)
7398 {
7399         int i;
7400         struct bnx2_napi *bnapi;
7401
7402         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7403                 bnapi = &bp->bnx2_napi[i];
7404                 bnapi->bp = bp;
7405         }
7406         netif_napi_add(bp->dev, &bp->bnx2_napi[0].napi, bnx2_poll, 64);
7407         netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
7408                        64);
7409 }
7410
7411 static int __devinit
7412 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7413 {
7414         static int version_printed = 0;
7415         struct net_device *dev = NULL;
7416         struct bnx2 *bp;
7417         int rc;
7418         char str[40];
7419         DECLARE_MAC_BUF(mac);
7420
7421         if (version_printed++ == 0)
7422                 printk(KERN_INFO "%s", version);
7423
7424         /* dev zeroed in init_etherdev */
7425         dev = alloc_etherdev(sizeof(*bp));
7426
7427         if (!dev)
7428                 return -ENOMEM;
7429
7430         rc = bnx2_init_board(pdev, dev);
7431         if (rc < 0) {
7432                 free_netdev(dev);
7433                 return rc;
7434         }
7435
7436         dev->open = bnx2_open;
7437         dev->hard_start_xmit = bnx2_start_xmit;
7438         dev->stop = bnx2_close;
7439         dev->get_stats = bnx2_get_stats;
7440         dev->set_multicast_list = bnx2_set_rx_mode;
7441         dev->do_ioctl = bnx2_ioctl;
7442         dev->set_mac_address = bnx2_change_mac_addr;
7443         dev->change_mtu = bnx2_change_mtu;
7444         dev->tx_timeout = bnx2_tx_timeout;
7445         dev->watchdog_timeo = TX_TIMEOUT;
7446 #ifdef BCM_VLAN
7447         dev->vlan_rx_register = bnx2_vlan_rx_register;
7448 #endif
7449         dev->ethtool_ops = &bnx2_ethtool_ops;
7450
7451         bp = netdev_priv(dev);
7452         bnx2_init_napi(bp);
7453
7454 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7455         dev->poll_controller = poll_bnx2;
7456 #endif
7457
7458         pci_set_drvdata(pdev, dev);
7459
7460         memcpy(dev->dev_addr, bp->mac_addr, 6);
7461         memcpy(dev->perm_addr, bp->mac_addr, 6);
7462         bp->name = board_info[ent->driver_data].name;
7463
7464         dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7465         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7466                 dev->features |= NETIF_F_IPV6_CSUM;
7467
7468 #ifdef BCM_VLAN
7469         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7470 #endif
7471         dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7472         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7473                 dev->features |= NETIF_F_TSO6;
7474
7475         if ((rc = register_netdev(dev))) {
7476                 dev_err(&pdev->dev, "Cannot register net device\n");
7477                 if (bp->regview)
7478                         iounmap(bp->regview);
7479                 pci_release_regions(pdev);
7480                 pci_disable_device(pdev);
7481                 pci_set_drvdata(pdev, NULL);
7482                 free_netdev(dev);
7483                 return rc;
7484         }
7485
7486         printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7487                 "IRQ %d, node addr %s\n",
7488                 dev->name,
7489                 bp->name,
7490                 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7491                 ((CHIP_ID(bp) & 0x0ff0) >> 4),
7492                 bnx2_bus_string(bp, str),
7493                 dev->base_addr,
7494                 bp->pdev->irq, print_mac(mac, dev->dev_addr));
7495
7496         return 0;
7497 }
7498
7499 static void __devexit
7500 bnx2_remove_one(struct pci_dev *pdev)
7501 {
7502         struct net_device *dev = pci_get_drvdata(pdev);
7503         struct bnx2 *bp = netdev_priv(dev);
7504
7505         flush_scheduled_work();
7506
7507         unregister_netdev(dev);
7508
7509         if (bp->regview)
7510                 iounmap(bp->regview);
7511
7512         free_netdev(dev);
7513         pci_release_regions(pdev);
7514         pci_disable_device(pdev);
7515         pci_set_drvdata(pdev, NULL);
7516 }
7517
7518 static int
7519 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7520 {
7521         struct net_device *dev = pci_get_drvdata(pdev);
7522         struct bnx2 *bp = netdev_priv(dev);
7523         u32 reset_code;
7524
7525         /* PCI register 4 needs to be saved whether netif_running() or not.
7526          * MSI address and data need to be saved if using MSI and
7527          * netif_running().
7528          */
7529         pci_save_state(pdev);
7530         if (!netif_running(dev))
7531                 return 0;
7532
7533         flush_scheduled_work();
7534         bnx2_netif_stop(bp);
7535         netif_device_detach(dev);
7536         del_timer_sync(&bp->timer);
7537         if (bp->flags & BNX2_FLAG_NO_WOL)
7538                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
7539         else if (bp->wol)
7540                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7541         else
7542                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7543         bnx2_reset_chip(bp, reset_code);
7544         bnx2_free_skbs(bp);
7545         bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7546         return 0;
7547 }
7548
7549 static int
7550 bnx2_resume(struct pci_dev *pdev)
7551 {
7552         struct net_device *dev = pci_get_drvdata(pdev);
7553         struct bnx2 *bp = netdev_priv(dev);
7554
7555         pci_restore_state(pdev);
7556         if (!netif_running(dev))
7557                 return 0;
7558
7559         bnx2_set_power_state(bp, PCI_D0);
7560         netif_device_attach(dev);
7561         bnx2_init_nic(bp, 1);
7562         bnx2_netif_start(bp);
7563         return 0;
7564 }
7565
7566 /**
7567  * bnx2_io_error_detected - called when PCI error is detected
7568  * @pdev: Pointer to PCI device
7569  * @state: The current pci connection state
7570  *
7571  * This function is called after a PCI bus error affecting
7572  * this device has been detected.
7573  */
7574 static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
7575                                                pci_channel_state_t state)
7576 {
7577         struct net_device *dev = pci_get_drvdata(pdev);
7578         struct bnx2 *bp = netdev_priv(dev);
7579
7580         rtnl_lock();
7581         netif_device_detach(dev);
7582
7583         if (netif_running(dev)) {
7584                 bnx2_netif_stop(bp);
7585                 del_timer_sync(&bp->timer);
7586                 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
7587         }
7588
7589         pci_disable_device(pdev);
7590         rtnl_unlock();
7591
7592         /* Request a slot slot reset. */
7593         return PCI_ERS_RESULT_NEED_RESET;
7594 }
7595
7596 /**
7597  * bnx2_io_slot_reset - called after the pci bus has been reset.
7598  * @pdev: Pointer to PCI device
7599  *
7600  * Restart the card from scratch, as if from a cold-boot.
7601  */
7602 static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
7603 {
7604         struct net_device *dev = pci_get_drvdata(pdev);
7605         struct bnx2 *bp = netdev_priv(dev);
7606
7607         rtnl_lock();
7608         if (pci_enable_device(pdev)) {
7609                 dev_err(&pdev->dev,
7610                         "Cannot re-enable PCI device after reset.\n");
7611                 rtnl_unlock();
7612                 return PCI_ERS_RESULT_DISCONNECT;
7613         }
7614         pci_set_master(pdev);
7615         pci_restore_state(pdev);
7616
7617         if (netif_running(dev)) {
7618                 bnx2_set_power_state(bp, PCI_D0);
7619                 bnx2_init_nic(bp, 1);
7620         }
7621
7622         rtnl_unlock();
7623         return PCI_ERS_RESULT_RECOVERED;
7624 }
7625
7626 /**
7627  * bnx2_io_resume - called when traffic can start flowing again.
7628  * @pdev: Pointer to PCI device
7629  *
7630  * This callback is called when the error recovery driver tells us that
7631  * its OK to resume normal operation.
7632  */
7633 static void bnx2_io_resume(struct pci_dev *pdev)
7634 {
7635         struct net_device *dev = pci_get_drvdata(pdev);
7636         struct bnx2 *bp = netdev_priv(dev);
7637
7638         rtnl_lock();
7639         if (netif_running(dev))
7640                 bnx2_netif_start(bp);
7641
7642         netif_device_attach(dev);
7643         rtnl_unlock();
7644 }
7645
7646 static struct pci_error_handlers bnx2_err_handler = {
7647         .error_detected = bnx2_io_error_detected,
7648         .slot_reset     = bnx2_io_slot_reset,
7649         .resume         = bnx2_io_resume,
7650 };
7651
7652 static struct pci_driver bnx2_pci_driver = {
7653         .name           = DRV_MODULE_NAME,
7654         .id_table       = bnx2_pci_tbl,
7655         .probe          = bnx2_init_one,
7656         .remove         = __devexit_p(bnx2_remove_one),
7657         .suspend        = bnx2_suspend,
7658         .resume         = bnx2_resume,
7659         .err_handler    = &bnx2_err_handler,
7660 };
7661
7662 static int __init bnx2_init(void)
7663 {
7664         return pci_register_driver(&bnx2_pci_driver);
7665 }
7666
7667 static void __exit bnx2_cleanup(void)
7668 {
7669         pci_unregister_driver(&bnx2_pci_driver);
7670 }
7671
7672 module_init(bnx2_init);
7673 module_exit(bnx2_cleanup);
7674
7675
7676