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   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 #include <linux/if_vlan.h>
  39 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  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 #include <linux/log2.h>
  51
  52 #include "bnx2.h"
  53 #include "bnx2_fw.h"
  54 #include "bnx2_fw2.h"
  55
  56 #define FW_BUF_SIZE             0x10000
  57
  58 #define DRV_MODULE_NAME         "bnx2"
  59 #define PFX DRV_MODULE_NAME     ": "
  60 #define DRV_MODULE_VERSION      "1.8.1"
  61 #define DRV_MODULE_RELDATE      "Oct 7, 2008"
  62
  63 #define RUN_AT(x) (jiffies + (x))
  64
  65 /* Time in jiffies before concluding the transmitter is hung. */
  66 #define TX_TIMEOUT  (5*HZ)
  67
  68 static char version[] __devinitdata =
  69         "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  70
  71 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
  72 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
  73 MODULE_LICENSE("GPL");
  74 MODULE_VERSION(DRV_MODULE_VERSION);
  75
  76 static int disable_msi = 0;
  77
  78 module_param(disable_msi, int, 0);
  79 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
  80
  81 typedef enum {
  82         BCM5706 = 0,
  83         NC370T,
  84         NC370I,
  85         BCM5706S,
  86         NC370F,
  87         BCM5708,
  88         BCM5708S,
  89         BCM5709,
  90         BCM5709S,
  91         BCM5716,
  92 } board_t;
  93
  94 /* indexed by board_t, above */
  95 static struct {
  96         char *name;
  97 } board_info[] __devinitdata = {
  98         { "Broadcom NetXtreme II BCM5706 1000Base-T" },
  99         { "HP NC370T Multifunction Gigabit Server Adapter" },
 100         { "HP NC370i Multifunction Gigabit Server Adapter" },
 101         { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
 102         { "HP NC370F Multifunction Gigabit Server Adapter" },
 103         { "Broadcom NetXtreme II BCM5708 1000Base-T" },
 104         { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
 105         { "Broadcom NetXtreme II BCM5709 1000Base-T" },
 106         { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
 107         { "Broadcom NetXtreme II BCM5716 1000Base-T" },
 108         };
 109
 110 static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
 111         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
 112           PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
 113         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
 114           PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
 115         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
 116           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
 117         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
 118           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
 119         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
 120           PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
 121         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
 122           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
 123         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
 124           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
 125         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
 126           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
 127         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
 128           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
 129         { PCI_VENDOR_ID_BROADCOM, 0x163b,
 130           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
 131         { 0, }
 132 };
 133
 134 static struct flash_spec flash_table[] =
 135 {
 136 #define BUFFERED_FLAGS          (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
 137 #define NONBUFFERED_FLAGS       (BNX2_NV_WREN)
 138         /* Slow EEPROM */
 139         {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
 140          BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
 141          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
 142          "EEPROM - slow"},
 143         /* Expansion entry 0001 */
 144         {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
 145          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 146          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 147          "Entry 0001"},
 148         /* Saifun SA25F010 (non-buffered flash) */
 149         /* strap, cfg1, & write1 need updates */
 150         {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
 151          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 152          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
 153          "Non-buffered flash (128kB)"},
 154         /* Saifun SA25F020 (non-buffered flash) */
 155         /* strap, cfg1, & write1 need updates */
 156         {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
 157          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 158          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
 159          "Non-buffered flash (256kB)"},
 160         /* Expansion entry 0100 */
 161         {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
 162          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 163          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 164          "Entry 0100"},
 165         /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
 166         {0x19000002, 0x5b808201, 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*2,
 169          "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
 170         /* Entry 0110: ST M45PE20 (non-buffered flash)*/
 171         {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
 172          NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
 173          ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
 174          "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
 175         /* Saifun SA25F005 (non-buffered flash) */
 176         /* strap, cfg1, & write1 need updates */
 177         {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
 178          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 179          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
 180          "Non-buffered flash (64kB)"},
 181         /* Fast EEPROM */
 182         {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
 183          BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
 184          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
 185          "EEPROM - fast"},
 186         /* Expansion entry 1001 */
 187         {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
 188          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 189          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 190          "Entry 1001"},
 191         /* Expansion entry 1010 */
 192         {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
 193          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 194          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 195          "Entry 1010"},
 196         /* ATMEL AT45DB011B (buffered flash) */
 197         {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
 198          BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 199          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
 200          "Buffered flash (128kB)"},
 201         /* Expansion entry 1100 */
 202         {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
 203          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 204          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 205          "Entry 1100"},
 206         /* Expansion entry 1101 */
 207         {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
 208          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 209          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 210          "Entry 1101"},
 211         /* Ateml Expansion entry 1110 */
 212         {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
 213          BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 214          BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
 215          "Entry 1110 (Atmel)"},
 216         /* ATMEL AT45DB021B (buffered flash) */
 217         {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
 218          BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 219          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
 220          "Buffered flash (256kB)"},
 221 };
 222
 223 static struct flash_spec flash_5709 = {
 224         .flags          = BNX2_NV_BUFFERED,
 225         .page_bits      = BCM5709_FLASH_PAGE_BITS,
 226         .page_size      = BCM5709_FLASH_PAGE_SIZE,
 227         .addr_mask      = BCM5709_FLASH_BYTE_ADDR_MASK,
 228         .total_size     = BUFFERED_FLASH_TOTAL_SIZE*2,
 229         .name           = "5709 Buffered flash (256kB)",
 230 };
 231
 232 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
 233
 234 static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
 235 {
 236         u32 diff;
 237
 238         smp_mb();
 239
 240         /* The ring uses 256 indices for 255 entries, one of them
 241          * needs to be skipped.
 242          */
 243         diff = txr->tx_prod - txr->tx_cons;
 244         if (unlikely(diff >= TX_DESC_CNT)) {
 245                 diff &= 0xffff;
 246                 if (diff == TX_DESC_CNT)
 247                         diff = MAX_TX_DESC_CNT;
 248         }
 249         return (bp->tx_ring_size - diff);
 250 }
 251
 252 static u32
 253 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
 254 {
 255         u32 val;
 256
 257         spin_lock_bh(&bp->indirect_lock);
 258         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
 259         val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
 260         spin_unlock_bh(&bp->indirect_lock);
 261         return val;
 262 }
 263
 264 static void
 265 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
 266 {
 267         spin_lock_bh(&bp->indirect_lock);
 268         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
 269         REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
 270         spin_unlock_bh(&bp->indirect_lock);
 271 }
 272
 273 static void
 274 bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
 275 {
 276         bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
 277 }
 278
 279 static u32
 280 bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
 281 {
 282         return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
 283 }
 284
 285 static void
 286 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
 287 {
 288         offset += cid_addr;
 289         spin_lock_bh(&bp->indirect_lock);
 290         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
 291                 int i;
 292
 293                 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
 294                 REG_WR(bp, BNX2_CTX_CTX_CTRL,
 295                        offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
 296                 for (i = 0; i < 5; i++) {
 297                         val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
 298                         if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
 299                                 break;
 300                         udelay(5);
 301                 }
 302         } else {
 303                 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
 304                 REG_WR(bp, BNX2_CTX_DATA, val);
 305         }
 306         spin_unlock_bh(&bp->indirect_lock);
 307 }
 308
 309 static int
 310 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
 311 {
 312         u32 val1;
 313         int i, ret;
 314
 315         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
 316                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 317                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 318
 319                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 320                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 321
 322                 udelay(40);
 323         }
 324
 325         val1 = (bp->phy_addr << 21) | (reg << 16) |
 326                 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
 327                 BNX2_EMAC_MDIO_COMM_START_BUSY;
 328         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
 329
 330         for (i = 0; i < 50; i++) {
 331                 udelay(10);
 332
 333                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 334                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
 335                         udelay(5);
 336
 337                         val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 338                         val1 &= BNX2_EMAC_MDIO_COMM_DATA;
 339
 340                         break;
 341                 }
 342         }
 343
 344         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
 345                 *val = 0x0;
 346                 ret = -EBUSY;
 347         }
 348         else {
 349                 *val = val1;
 350                 ret = 0;
 351         }
 352
 353         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
 354                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 355                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 356
 357                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 358                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 359
 360                 udelay(40);
 361         }
 362
 363         return ret;
 364 }
 365
 366 static int
 367 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
 368 {
 369         u32 val1;
 370         int i, ret;
 371
 372         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
 373                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 374                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 375
 376                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 377                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 378
 379                 udelay(40);
 380         }
 381
 382         val1 = (bp->phy_addr << 21) | (reg << 16) | val |
 383                 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
 384                 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
 385         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
 386
 387         for (i = 0; i < 50; i++) {
 388                 udelay(10);
 389
 390                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 391                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
 392                         udelay(5);
 393                         break;
 394                 }
 395         }
 396
 397         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
 398                 ret = -EBUSY;
 399         else
 400                 ret = 0;
 401
 402         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
 403                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 404                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 405
 406                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 407                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 408
 409                 udelay(40);
 410         }
 411
 412         return ret;
 413 }
 414
 415 static void
 416 bnx2_disable_int(struct bnx2 *bp)
 417 {
 418         int i;
 419         struct bnx2_napi *bnapi;
 420
 421         for (i = 0; i < bp->irq_nvecs; i++) {
 422                 bnapi = &bp->bnx2_napi[i];
 423                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
 424                        BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
 425         }
 426         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
 427 }
 428
 429 static void
 430 bnx2_enable_int(struct bnx2 *bp)
 431 {
 432         int i;
 433         struct bnx2_napi *bnapi;
 434
 435         for (i = 0; i < bp->irq_nvecs; i++) {
 436                 bnapi = &bp->bnx2_napi[i];
 437
 438                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
 439                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
 440                        BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
 441                        bnapi->last_status_idx);
 442
 443                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
 444                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
 445                        bnapi->last_status_idx);
 446         }
 447         REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
 448 }
 449
 450 static void
 451 bnx2_disable_int_sync(struct bnx2 *bp)
 452 {
 453         int i;
 454
 455         atomic_inc(&bp->intr_sem);
 456         bnx2_disable_int(bp);
 457         for (i = 0; i < bp->irq_nvecs; i++)
 458                 synchronize_irq(bp->irq_tbl[i].vector);
 459 }
 460
 461 static void
 462 bnx2_napi_disable(struct bnx2 *bp)
 463 {
 464         int i;
 465
 466         for (i = 0; i < bp->irq_nvecs; i++)
 467                 napi_disable(&bp->bnx2_napi[i].napi);
 468 }
 469
 470 static void
 471 bnx2_napi_enable(struct bnx2 *bp)
 472 {
 473         int i;
 474
 475         for (i = 0; i < bp->irq_nvecs; i++)
 476                 napi_enable(&bp->bnx2_napi[i].napi);
 477 }
 478
 479 static void
 480 bnx2_netif_stop(struct bnx2 *bp)
 481 {
 482         bnx2_disable_int_sync(bp);
 483         if (netif_running(bp->dev)) {
 484                 bnx2_napi_disable(bp);
 485                 netif_tx_disable(bp->dev);
 486                 bp->dev->trans_start = jiffies; /* prevent tx timeout */
 487         }
 488 }
 489
 490 static void
 491 bnx2_netif_start(struct bnx2 *bp)
 492 {
 493         if (atomic_dec_and_test(&bp->intr_sem)) {
 494                 if (netif_running(bp->dev)) {
 495                         netif_tx_wake_all_queues(bp->dev);
 496                         bnx2_napi_enable(bp);
 497                         bnx2_enable_int(bp);
 498                 }
 499         }
 500 }
 501
 502 static void
 503 bnx2_free_tx_mem(struct bnx2 *bp)
 504 {
 505         int i;
 506
 507         for (i = 0; i < bp->num_tx_rings; i++) {
 508                 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
 509                 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
 510
 511                 if (txr->tx_desc_ring) {
 512                         pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
 513                                             txr->tx_desc_ring,
 514                                             txr->tx_desc_mapping);
 515                         txr->tx_desc_ring = NULL;
 516                 }
 517                 kfree(txr->tx_buf_ring);
 518                 txr->tx_buf_ring = NULL;
 519         }
 520 }
 521
 522 static void
 523 bnx2_free_rx_mem(struct bnx2 *bp)
 524 {
 525         int i;
 526
 527         for (i = 0; i < bp->num_rx_rings; i++) {
 528                 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
 529                 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
 530                 int j;
 531
 532                 for (j = 0; j < bp->rx_max_ring; j++) {
 533                         if (rxr->rx_desc_ring[j])
 534                                 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
 535                                                     rxr->rx_desc_ring[j],
 536                                                     rxr->rx_desc_mapping[j]);
 537                         rxr->rx_desc_ring[j] = NULL;
 538                 }
 539                 if (rxr->rx_buf_ring)
 540                         vfree(rxr->rx_buf_ring);
 541                 rxr->rx_buf_ring = NULL;
 542
 543                 for (j = 0; j < bp->rx_max_pg_ring; j++) {
 544                         if (rxr->rx_pg_desc_ring[j])
 545                                 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
 546                                                     rxr->rx_pg_desc_ring[j],
 547                                                     rxr->rx_pg_desc_mapping[j]);
 548                         rxr->rx_pg_desc_ring[j] = NULL;
 549                 }
 550                 if (rxr->rx_pg_ring)
 551                         vfree(rxr->rx_pg_ring);
 552                 rxr->rx_pg_ring = NULL;
 553         }
 554 }
 555
 556 static int
 557 bnx2_alloc_tx_mem(struct bnx2 *bp)
 558 {
 559         int i;
 560
 561         for (i = 0; i < bp->num_tx_rings; i++) {
 562                 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
 563                 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
 564
 565                 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
 566                 if (txr->tx_buf_ring == NULL)
 567                         return -ENOMEM;
 568
 569                 txr->tx_desc_ring =
 570                         pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
 571                                              &txr->tx_desc_mapping);
 572                 if (txr->tx_desc_ring == NULL)
 573                         return -ENOMEM;
 574         }
 575         return 0;
 576 }
 577
 578 static int
 579 bnx2_alloc_rx_mem(struct bnx2 *bp)
 580 {
 581         int i;
 582
 583         for (i = 0; i < bp->num_rx_rings; i++) {
 584                 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
 585                 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
 586                 int j;
 587
 588                 rxr->rx_buf_ring =
 589                         vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
 590                 if (rxr->rx_buf_ring == NULL)
 591                         return -ENOMEM;
 592
 593                 memset(rxr->rx_buf_ring, 0,
 594                        SW_RXBD_RING_SIZE * bp->rx_max_ring);
 595
 596                 for (j = 0; j < bp->rx_max_ring; j++) {
 597                         rxr->rx_desc_ring[j] =
 598                                 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
 599                                                      &rxr->rx_desc_mapping[j]);
 600                         if (rxr->rx_desc_ring[j] == NULL)
 601                                 return -ENOMEM;
 602
 603                 }
 604
 605                 if (bp->rx_pg_ring_size) {
 606                         rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
 607                                                   bp->rx_max_pg_ring);
 608                         if (rxr->rx_pg_ring == NULL)
 609                                 return -ENOMEM;
 610
 611                         memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
 612                                bp->rx_max_pg_ring);
 613                 }
 614
 615                 for (j = 0; j < bp->rx_max_pg_ring; j++) {
 616                         rxr->rx_pg_desc_ring[j] =
 617                                 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
 618                                                 &rxr->rx_pg_desc_mapping[j]);
 619                         if (rxr->rx_pg_desc_ring[j] == NULL)
 620                                 return -ENOMEM;
 621
 622                 }
 623         }
 624         return 0;
 625 }
 626
 627 static void
 628 bnx2_free_mem(struct bnx2 *bp)
 629 {
 630         int i;
 631         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
 632
 633         bnx2_free_tx_mem(bp);
 634         bnx2_free_rx_mem(bp);
 635
 636         for (i = 0; i < bp->ctx_pages; i++) {
 637                 if (bp->ctx_blk[i]) {
 638                         pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
 639                                             bp->ctx_blk[i],
 640                                             bp->ctx_blk_mapping[i]);
 641                         bp->ctx_blk[i] = NULL;
 642                 }
 643         }
 644         if (bnapi->status_blk.msi) {
 645                 pci_free_consistent(bp->pdev, bp->status_stats_size,
 646                                     bnapi->status_blk.msi,
 647                                     bp->status_blk_mapping);
 648                 bnapi->status_blk.msi = NULL;
 649                 bp->stats_blk = NULL;
 650         }
 651 }
 652
 653 static int
 654 bnx2_alloc_mem(struct bnx2 *bp)
 655 {
 656         int i, status_blk_size, err;
 657         struct bnx2_napi *bnapi;
 658         void *status_blk;
 659
 660         /* Combine status and statistics blocks into one allocation. */
 661         status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
 662         if (bp->flags & BNX2_FLAG_MSIX_CAP)
 663                 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
 664                                                  BNX2_SBLK_MSIX_ALIGN_SIZE);
 665         bp->status_stats_size = status_blk_size +
 666                                 sizeof(struct statistics_block);
 667
 668         status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
 669                                           &bp->status_blk_mapping);
 670         if (status_blk == NULL)
 671                 goto alloc_mem_err;
 672
 673         memset(status_blk, 0, bp->status_stats_size);
 674
 675         bnapi = &bp->bnx2_napi[0];
 676         bnapi->status_blk.msi = status_blk;
 677         bnapi->hw_tx_cons_ptr =
 678                 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
 679         bnapi->hw_rx_cons_ptr =
 680                 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
 681         if (bp->flags & BNX2_FLAG_MSIX_CAP) {
 682                 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
 683                         struct status_block_msix *sblk;
 684
 685                         bnapi = &bp->bnx2_napi[i];
 686
 687                         sblk = (void *) (status_blk +
 688                                          BNX2_SBLK_MSIX_ALIGN_SIZE * i);
 689                         bnapi->status_blk.msix = sblk;
 690                         bnapi->hw_tx_cons_ptr =
 691                                 &sblk->status_tx_quick_consumer_index;
 692                         bnapi->hw_rx_cons_ptr =
 693                                 &sblk->status_rx_quick_consumer_index;
 694                         bnapi->int_num = i << 24;
 695                 }
 696         }
 697
 698         bp->stats_blk = status_blk + status_blk_size;
 699
 700         bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
 701
 702         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
 703                 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
 704                 if (bp->ctx_pages == 0)
 705                         bp->ctx_pages = 1;
 706                 for (i = 0; i < bp->ctx_pages; i++) {
 707                         bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
 708                                                 BCM_PAGE_SIZE,
 709                                                 &bp->ctx_blk_mapping[i]);
 710                         if (bp->ctx_blk[i] == NULL)
 711                                 goto alloc_mem_err;
 712                 }
 713         }
 714
 715         err = bnx2_alloc_rx_mem(bp);
 716         if (err)
 717                 goto alloc_mem_err;
 718
 719         err = bnx2_alloc_tx_mem(bp);
 720         if (err)
 721                 goto alloc_mem_err;
 722
 723         return 0;
 724
 725 alloc_mem_err:
 726         bnx2_free_mem(bp);
 727         return -ENOMEM;
 728 }
 729
 730 static void
 731 bnx2_report_fw_link(struct bnx2 *bp)
 732 {
 733         u32 fw_link_status = 0;
 734
 735         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
 736                 return;
 737
 738         if (bp->link_up) {
 739                 u32 bmsr;
 740
 741                 switch (bp->line_speed) {
 742                 case SPEED_10:
 743                         if (bp->duplex == DUPLEX_HALF)
 744                                 fw_link_status = BNX2_LINK_STATUS_10HALF;
 745                         else
 746                                 fw_link_status = BNX2_LINK_STATUS_10FULL;
 747                         break;
 748                 case SPEED_100:
 749                         if (bp->duplex == DUPLEX_HALF)
 750                                 fw_link_status = BNX2_LINK_STATUS_100HALF;
 751                         else
 752                                 fw_link_status = BNX2_LINK_STATUS_100FULL;
 753                         break;
 754                 case SPEED_1000:
 755                         if (bp->duplex == DUPLEX_HALF)
 756                                 fw_link_status = BNX2_LINK_STATUS_1000HALF;
 757                         else
 758                                 fw_link_status = BNX2_LINK_STATUS_1000FULL;
 759                         break;
 760                 case SPEED_2500:
 761                         if (bp->duplex == DUPLEX_HALF)
 762                                 fw_link_status = BNX2_LINK_STATUS_2500HALF;
 763                         else
 764                                 fw_link_status = BNX2_LINK_STATUS_2500FULL;
 765                         break;
 766                 }
 767
 768                 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
 769
 770                 if (bp->autoneg) {
 771                         fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
 772
 773                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
 774                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
 775
 776                         if (!(bmsr & BMSR_ANEGCOMPLETE) ||
 777                             bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
 778                                 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
 779                         else
 780                                 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
 781                 }
 782         }
 783         else
 784                 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
 785
 786         bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
 787 }
 788
 789 static char *
 790 bnx2_xceiver_str(struct bnx2 *bp)
 791 {
 792         return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
 793                 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
 794                  "Copper"));
 795 }
 796
 797 static void
 798 bnx2_report_link(struct bnx2 *bp)
 799 {
 800         if (bp->link_up) {
 801                 netif_carrier_on(bp->dev);
 802                 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
 803                        bnx2_xceiver_str(bp));
 804
 805                 printk("%d Mbps ", bp->line_speed);
 806
 807                 if (bp->duplex == DUPLEX_FULL)
 808                         printk("full duplex");
 809                 else
 810                         printk("half duplex");
 811
 812                 if (bp->flow_ctrl) {
 813                         if (bp->flow_ctrl & FLOW_CTRL_RX) {
 814                                 printk(", receive ");
 815                                 if (bp->flow_ctrl & FLOW_CTRL_TX)
 816                                         printk("& transmit ");
 817                         }
 818                         else {
 819                                 printk(", transmit ");
 820                         }
 821                         printk("flow control ON");
 822                 }
 823                 printk("\n");
 824         }
 825         else {
 826                 netif_carrier_off(bp->dev);
 827                 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
 828                        bnx2_xceiver_str(bp));
 829         }
 830
 831         bnx2_report_fw_link(bp);
 832 }
 833
 834 static void
 835 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
 836 {
 837         u32 local_adv, remote_adv;
 838
 839         bp->flow_ctrl = 0;
 840         if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
 841                 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
 842
 843                 if (bp->duplex == DUPLEX_FULL) {
 844                         bp->flow_ctrl = bp->req_flow_ctrl;
 845                 }
 846                 return;
 847         }
 848
 849         if (bp->duplex != DUPLEX_FULL) {
 850                 return;
 851         }
 852
 853         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
 854             (CHIP_NUM(bp) == CHIP_NUM_5708)) {
 855                 u32 val;
 856
 857                 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
 858                 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
 859                         bp->flow_ctrl |= FLOW_CTRL_TX;
 860                 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
 861                         bp->flow_ctrl |= FLOW_CTRL_RX;
 862                 return;
 863         }
 864
 865         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
 866         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
 867
 868         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
 869                 u32 new_local_adv = 0;
 870                 u32 new_remote_adv = 0;
 871
 872                 if (local_adv & ADVERTISE_1000XPAUSE)
 873                         new_local_adv |= ADVERTISE_PAUSE_CAP;
 874                 if (local_adv & ADVERTISE_1000XPSE_ASYM)
 875                         new_local_adv |= ADVERTISE_PAUSE_ASYM;
 876                 if (remote_adv & ADVERTISE_1000XPAUSE)
 877                         new_remote_adv |= ADVERTISE_PAUSE_CAP;
 878                 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
 879                         new_remote_adv |= ADVERTISE_PAUSE_ASYM;
 880
 881                 local_adv = new_local_adv;
 882                 remote_adv = new_remote_adv;
 883         }
 884
 885         /* See Table 28B-3 of 802.3ab-1999 spec. */
 886         if (local_adv & ADVERTISE_PAUSE_CAP) {
 887                 if(local_adv & ADVERTISE_PAUSE_ASYM) {
 888                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
 889                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
 890                         }
 891                         else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
 892                                 bp->flow_ctrl = FLOW_CTRL_RX;
 893                         }
 894                 }
 895                 else {
 896                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
 897                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
 898                         }
 899                 }
 900         }
 901         else if (local_adv & ADVERTISE_PAUSE_ASYM) {
 902                 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
 903                         (remote_adv & ADVERTISE_PAUSE_ASYM)) {
 904
 905                         bp->flow_ctrl = FLOW_CTRL_TX;
 906                 }
 907         }
 908 }
 909
 910 static int
 911 bnx2_5709s_linkup(struct bnx2 *bp)
 912 {
 913         u32 val, speed;
 914
 915         bp->link_up = 1;
 916
 917         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
 918         bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
 919         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
 920
 921         if ((bp->autoneg & AUTONEG_SPEED) == 0) {
 922                 bp->line_speed = bp->req_line_speed;
 923                 bp->duplex = bp->req_duplex;
 924                 return 0;
 925         }
 926         speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
 927         switch (speed) {
 928                 case MII_BNX2_GP_TOP_AN_SPEED_10:
 929                         bp->line_speed = SPEED_10;
 930                         break;
 931                 case MII_BNX2_GP_TOP_AN_SPEED_100:
 932                         bp->line_speed = SPEED_100;
 933                         break;
 934                 case MII_BNX2_GP_TOP_AN_SPEED_1G:
 935                 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
 936                         bp->line_speed = SPEED_1000;
 937                         break;
 938                 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
 939                         bp->line_speed = SPEED_2500;
 940                         break;
 941         }
 942         if (val & MII_BNX2_GP_TOP_AN_FD)
 943                 bp->duplex = DUPLEX_FULL;
 944         else
 945                 bp->duplex = DUPLEX_HALF;
 946         return 0;
 947 }
 948
 949 static int
 950 bnx2_5708s_linkup(struct bnx2 *bp)
 951 {
 952         u32 val;
 953
 954         bp->link_up = 1;
 955         bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
 956         switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
 957                 case BCM5708S_1000X_STAT1_SPEED_10:
 958                         bp->line_speed = SPEED_10;
 959                         break;
 960                 case BCM5708S_1000X_STAT1_SPEED_100:
 961                         bp->line_speed = SPEED_100;
 962                         break;
 963                 case BCM5708S_1000X_STAT1_SPEED_1G:
 964                         bp->line_speed = SPEED_1000;
 965                         break;
 966                 case BCM5708S_1000X_STAT1_SPEED_2G5:
 967                         bp->line_speed = SPEED_2500;
 968                         break;
 969         }
 970         if (val & BCM5708S_1000X_STAT1_FD)
 971                 bp->duplex = DUPLEX_FULL;
 972         else
 973                 bp->duplex = DUPLEX_HALF;
 974
 975         return 0;
 976 }
 977
 978 static int
 979 bnx2_5706s_linkup(struct bnx2 *bp)
 980 {
 981         u32 bmcr, local_adv, remote_adv, common;
 982
 983         bp->link_up = 1;
 984         bp->line_speed = SPEED_1000;
 985
 986         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
 987         if (bmcr & BMCR_FULLDPLX) {
 988                 bp->duplex = DUPLEX_FULL;
 989         }
 990         else {
 991                 bp->duplex = DUPLEX_HALF;
 992         }
 993
 994         if (!(bmcr & BMCR_ANENABLE)) {
 995                 return 0;
 996         }
 997
 998         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
 999         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1000
1001         common = local_adv & remote_adv;
1002         if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1003
1004                 if (common & ADVERTISE_1000XFULL) {
1005                         bp->duplex = DUPLEX_FULL;
1006                 }
1007                 else {
1008                         bp->duplex = DUPLEX_HALF;
1009                 }
1010         }
1011
1012         return 0;
1013 }
1014
1015 static int
1016 bnx2_copper_linkup(struct bnx2 *bp)
1017 {
1018         u32 bmcr;
1019
1020         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1021         if (bmcr & BMCR_ANENABLE) {
1022                 u32 local_adv, remote_adv, common;
1023
1024                 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1025                 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1026
1027                 common = local_adv & (remote_adv >> 2);
1028                 if (common & ADVERTISE_1000FULL) {
1029                         bp->line_speed = SPEED_1000;
1030                         bp->duplex = DUPLEX_FULL;
1031                 }
1032                 else if (common & ADVERTISE_1000HALF) {
1033                         bp->line_speed = SPEED_1000;
1034                         bp->duplex = DUPLEX_HALF;
1035                 }
1036                 else {
1037                         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1038                         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
1039
1040                         common = local_adv & remote_adv;
1041                         if (common & ADVERTISE_100FULL) {
1042                                 bp->line_speed = SPEED_100;
1043                                 bp->duplex = DUPLEX_FULL;
1044                         }
1045                         else if (common & ADVERTISE_100HALF) {
1046                                 bp->line_speed = SPEED_100;
1047                                 bp->duplex = DUPLEX_HALF;
1048                         }
1049                         else if (common & ADVERTISE_10FULL) {
1050                                 bp->line_speed = SPEED_10;
1051                                 bp->duplex = DUPLEX_FULL;
1052                         }
1053                         else if (common & ADVERTISE_10HALF) {
1054                                 bp->line_speed = SPEED_10;
1055                                 bp->duplex = DUPLEX_HALF;
1056                         }
1057                         else {
1058                                 bp->line_speed = 0;
1059                                 bp->link_up = 0;
1060                         }
1061                 }
1062         }
1063         else {
1064                 if (bmcr & BMCR_SPEED100) {
1065                         bp->line_speed = SPEED_100;
1066                 }
1067                 else {
1068                         bp->line_speed = SPEED_10;
1069                 }
1070                 if (bmcr & BMCR_FULLDPLX) {
1071                         bp->duplex = DUPLEX_FULL;
1072                 }
1073                 else {
1074                         bp->duplex = DUPLEX_HALF;
1075                 }
1076         }
1077
1078         return 0;
1079 }
1080
1081 static void
1082 bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
1083 {
1084         u32 val, rx_cid_addr = GET_CID_ADDR(cid);
1085
1086         val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1087         val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1088         val |= 0x02 << 8;
1089
1090         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1091                 u32 lo_water, hi_water;
1092
1093                 if (bp->flow_ctrl & FLOW_CTRL_TX)
1094                         lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1095                 else
1096                         lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1097                 if (lo_water >= bp->rx_ring_size)
1098                         lo_water = 0;
1099
1100                 hi_water = bp->rx_ring_size / 4;
1101
1102                 if (hi_water <= lo_water)
1103                         lo_water = 0;
1104
1105                 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1106                 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1107
1108                 if (hi_water > 0xf)
1109                         hi_water = 0xf;
1110                 else if (hi_water == 0)
1111                         lo_water = 0;
1112                 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1113         }
1114         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1115 }
1116
1117 static void
1118 bnx2_init_all_rx_contexts(struct bnx2 *bp)
1119 {
1120         int i;
1121         u32 cid;
1122
1123         for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1124                 if (i == 1)
1125                         cid = RX_RSS_CID;
1126                 bnx2_init_rx_context(bp, cid);
1127         }
1128 }
1129
1130 static void
1131 bnx2_set_mac_link(struct bnx2 *bp)
1132 {
1133         u32 val;
1134
1135         REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1136         if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1137                 (bp->duplex == DUPLEX_HALF)) {
1138                 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1139         }
1140
1141         /* Configure the EMAC mode register. */
1142         val = REG_RD(bp, BNX2_EMAC_MODE);
1143
1144         val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
1145                 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
1146                 BNX2_EMAC_MODE_25G_MODE);
1147
1148         if (bp->link_up) {
1149                 switch (bp->line_speed) {
1150                         case SPEED_10:
1151                                 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1152                                         val |= BNX2_EMAC_MODE_PORT_MII_10M;
1153                                         break;
1154                                 }
1155                                 /* fall through */
1156                         case SPEED_100:
1157                                 val |= BNX2_EMAC_MODE_PORT_MII;
1158                                 break;
1159                         case SPEED_2500:
1160                                 val |= BNX2_EMAC_MODE_25G_MODE;
1161                                 /* fall through */
1162                         case SPEED_1000:
1163                                 val |= BNX2_EMAC_MODE_PORT_GMII;
1164                                 break;
1165                 }
1166         }
1167         else {
1168                 val |= BNX2_EMAC_MODE_PORT_GMII;
1169         }
1170
1171         /* Set the MAC to operate in the appropriate duplex mode. */
1172         if (bp->duplex == DUPLEX_HALF)
1173                 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1174         REG_WR(bp, BNX2_EMAC_MODE, val);
1175
1176         /* Enable/disable rx PAUSE. */
1177         bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1178
1179         if (bp->flow_ctrl & FLOW_CTRL_RX)
1180                 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1181         REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1182
1183         /* Enable/disable tx PAUSE. */
1184         val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1185         val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1186
1187         if (bp->flow_ctrl & FLOW_CTRL_TX)
1188                 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1189         REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1190
1191         /* Acknowledge the interrupt. */
1192         REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1193
1194         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1195                 bnx2_init_all_rx_contexts(bp);
1196 }
1197
1198 static void
1199 bnx2_enable_bmsr1(struct bnx2 *bp)
1200 {
1201         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1202             (CHIP_NUM(bp) == CHIP_NUM_5709))
1203                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1204                                MII_BNX2_BLK_ADDR_GP_STATUS);
1205 }
1206
1207 static void
1208 bnx2_disable_bmsr1(struct bnx2 *bp)
1209 {
1210         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1211             (CHIP_NUM(bp) == CHIP_NUM_5709))
1212                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1213                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1214 }
1215
1216 static int
1217 bnx2_test_and_enable_2g5(struct bnx2 *bp)
1218 {
1219         u32 up1;
1220         int ret = 1;
1221
1222         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1223                 return 0;
1224
1225         if (bp->autoneg & AUTONEG_SPEED)
1226                 bp->advertising |= ADVERTISED_2500baseX_Full;
1227
1228         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1229                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1230
1231         bnx2_read_phy(bp, bp->mii_up1, &up1);
1232         if (!(up1 & BCM5708S_UP1_2G5)) {
1233                 up1 |= BCM5708S_UP1_2G5;
1234                 bnx2_write_phy(bp, bp->mii_up1, up1);
1235                 ret = 0;
1236         }
1237
1238         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1239                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1240                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1241
1242         return ret;
1243 }
1244
1245 static int
1246 bnx2_test_and_disable_2g5(struct bnx2 *bp)
1247 {
1248         u32 up1;
1249         int ret = 0;
1250
1251         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1252                 return 0;
1253
1254         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1255                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1256
1257         bnx2_read_phy(bp, bp->mii_up1, &up1);
1258         if (up1 & BCM5708S_UP1_2G5) {
1259                 up1 &= ~BCM5708S_UP1_2G5;
1260                 bnx2_write_phy(bp, bp->mii_up1, up1);
1261                 ret = 1;
1262         }
1263
1264         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1265                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1266                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1267
1268         return ret;
1269 }
1270
1271 static void
1272 bnx2_enable_forced_2g5(struct bnx2 *bp)
1273 {
1274         u32 bmcr;
1275
1276         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1277                 return;
1278
1279         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1280                 u32 val;
1281
1282                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1283                                MII_BNX2_BLK_ADDR_SERDES_DIG);
1284                 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1285                 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1286                 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1287                 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1288
1289                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1290                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1291                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1292
1293         } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1294                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1295                 bmcr |= BCM5708S_BMCR_FORCE_2500;
1296         }
1297
1298         if (bp->autoneg & AUTONEG_SPEED) {
1299                 bmcr &= ~BMCR_ANENABLE;
1300                 if (bp->req_duplex == DUPLEX_FULL)
1301                         bmcr |= BMCR_FULLDPLX;
1302         }
1303         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1304 }
1305
1306 static void
1307 bnx2_disable_forced_2g5(struct bnx2 *bp)
1308 {
1309         u32 bmcr;
1310
1311         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1312                 return;
1313
1314         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1315                 u32 val;
1316
1317                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1318                                MII_BNX2_BLK_ADDR_SERDES_DIG);
1319                 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1320                 val &= ~MII_BNX2_SD_MISC1_FORCE;
1321                 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1322
1323                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1324                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1325                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1326
1327         } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1328                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1329                 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1330         }
1331
1332         if (bp->autoneg & AUTONEG_SPEED)
1333                 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1334         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1335 }
1336
1337 static void
1338 bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1339 {
1340         u32 val;
1341
1342         bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1343         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1344         if (start)
1345                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1346         else
1347                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1348 }
1349
1350 static int
1351 bnx2_set_link(struct bnx2 *bp)
1352 {
1353         u32 bmsr;
1354         u8 link_up;
1355
1356         if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1357                 bp->link_up = 1;
1358                 return 0;
1359         }
1360
1361         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1362                 return 0;
1363
1364         link_up = bp->link_up;
1365
1366         bnx2_enable_bmsr1(bp);
1367         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1368         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1369         bnx2_disable_bmsr1(bp);
1370
1371         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1372             (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1373                 u32 val, an_dbg;
1374
1375                 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1376                         bnx2_5706s_force_link_dn(bp, 0);
1377                         bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1378                 }
1379                 val = REG_RD(bp, BNX2_EMAC_STATUS);
1380
1381                 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1382                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1383                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1384
1385                 if ((val & BNX2_EMAC_STATUS_LINK) &&
1386                     !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
1387                         bmsr |= BMSR_LSTATUS;
1388                 else
1389                         bmsr &= ~BMSR_LSTATUS;
1390         }
1391
1392         if (bmsr & BMSR_LSTATUS) {
1393                 bp->link_up = 1;
1394
1395                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1396                         if (CHIP_NUM(bp) == CHIP_NUM_5706)
1397                                 bnx2_5706s_linkup(bp);
1398                         else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1399                                 bnx2_5708s_linkup(bp);
1400                         else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1401                                 bnx2_5709s_linkup(bp);
1402                 }
1403                 else {
1404                         bnx2_copper_linkup(bp);
1405                 }
1406                 bnx2_resolve_flow_ctrl(bp);
1407         }
1408         else {
1409                 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1410                     (bp->autoneg & AUTONEG_SPEED))
1411                         bnx2_disable_forced_2g5(bp);
1412
1413                 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1414                         u32 bmcr;
1415
1416                         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1417                         bmcr |= BMCR_ANENABLE;
1418                         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1419
1420                         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1421                 }
1422                 bp->link_up = 0;
1423         }
1424
1425         if (bp->link_up != link_up) {
1426                 bnx2_report_link(bp);
1427         }
1428
1429         bnx2_set_mac_link(bp);
1430
1431         return 0;
1432 }
1433
1434 static int
1435 bnx2_reset_phy(struct bnx2 *bp)
1436 {
1437         int i;
1438         u32 reg;
1439
1440         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1441
1442 #define PHY_RESET_MAX_WAIT 100
1443         for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1444                 udelay(10);
1445
1446                 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1447                 if (!(reg & BMCR_RESET)) {
1448                         udelay(20);
1449                         break;
1450                 }
1451         }
1452         if (i == PHY_RESET_MAX_WAIT) {
1453                 return -EBUSY;
1454         }
1455         return 0;
1456 }
1457
1458 static u32
1459 bnx2_phy_get_pause_adv(struct bnx2 *bp)
1460 {
1461         u32 adv = 0;
1462
1463         if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1464                 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1465
1466                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1467                         adv = ADVERTISE_1000XPAUSE;
1468                 }
1469                 else {
1470                         adv = ADVERTISE_PAUSE_CAP;
1471                 }
1472         }
1473         else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1474                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1475                         adv = ADVERTISE_1000XPSE_ASYM;
1476                 }
1477                 else {
1478                         adv = ADVERTISE_PAUSE_ASYM;
1479                 }
1480         }
1481         else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1482                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1483                         adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1484                 }
1485                 else {
1486                         adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1487                 }
1488         }
1489         return adv;
1490 }
1491
1492 static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
1493
1494 static int
1495 bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1496 {
1497         u32 speed_arg = 0, pause_adv;
1498
1499         pause_adv = bnx2_phy_get_pause_adv(bp);
1500
1501         if (bp->autoneg & AUTONEG_SPEED) {
1502                 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1503                 if (bp->advertising & ADVERTISED_10baseT_Half)
1504                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1505                 if (bp->advertising & ADVERTISED_10baseT_Full)
1506                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1507                 if (bp->advertising & ADVERTISED_100baseT_Half)
1508                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1509                 if (bp->advertising & ADVERTISED_100baseT_Full)
1510                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1511                 if (bp->advertising & ADVERTISED_1000baseT_Full)
1512                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1513                 if (bp->advertising & ADVERTISED_2500baseX_Full)
1514                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1515         } else {
1516                 if (bp->req_line_speed == SPEED_2500)
1517                         speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1518                 else if (bp->req_line_speed == SPEED_1000)
1519                         speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1520                 else if (bp->req_line_speed == SPEED_100) {
1521                         if (bp->req_duplex == DUPLEX_FULL)
1522                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1523                         else
1524                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1525                 } else if (bp->req_line_speed == SPEED_10) {
1526                         if (bp->req_duplex == DUPLEX_FULL)
1527                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1528                         else
1529                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1530                 }
1531         }
1532
1533         if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1534                 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
1535         if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1536                 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1537
1538         if (port == PORT_TP)
1539                 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1540                              BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1541
1542         bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1543
1544         spin_unlock_bh(&bp->phy_lock);
1545         bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
1546         spin_lock_bh(&bp->phy_lock);
1547
1548         return 0;
1549 }
1550
1551 static int
1552 bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1553 {
1554         u32 adv, bmcr;
1555         u32 new_adv = 0;
1556
1557         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1558                 return (bnx2_setup_remote_phy(bp, port));
1559
1560         if (!(bp->autoneg & AUTONEG_SPEED)) {
1561                 u32 new_bmcr;
1562                 int force_link_down = 0;
1563
1564                 if (bp->req_line_speed == SPEED_2500) {
1565                         if (!bnx2_test_and_enable_2g5(bp))
1566                                 force_link_down = 1;
1567                 } else if (bp->req_line_speed == SPEED_1000) {
1568                         if (bnx2_test_and_disable_2g5(bp))
1569                                 force_link_down = 1;
1570                 }
1571                 bnx2_read_phy(bp, bp->mii_adv, &adv);
1572                 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1573
1574                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1575                 new_bmcr = bmcr & ~BMCR_ANENABLE;
1576                 new_bmcr |= BMCR_SPEED1000;
1577
1578                 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1579                         if (bp->req_line_speed == SPEED_2500)
1580                                 bnx2_enable_forced_2g5(bp);
1581                         else if (bp->req_line_speed == SPEED_1000) {
1582                                 bnx2_disable_forced_2g5(bp);
1583                                 new_bmcr &= ~0x2000;
1584                         }
1585
1586                 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1587                         if (bp->req_line_speed == SPEED_2500)
1588                                 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1589                         else
1590                                 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
1591                 }
1592
1593                 if (bp->req_duplex == DUPLEX_FULL) {
1594                         adv |= ADVERTISE_1000XFULL;
1595                         new_bmcr |= BMCR_FULLDPLX;
1596                 }
1597                 else {
1598                         adv |= ADVERTISE_1000XHALF;
1599                         new_bmcr &= ~BMCR_FULLDPLX;
1600                 }
1601                 if ((new_bmcr != bmcr) || (force_link_down)) {
1602                         /* Force a link down visible on the other side */
1603                         if (bp->link_up) {
1604                                 bnx2_write_phy(bp, bp->mii_adv, adv &
1605                                                ~(ADVERTISE_1000XFULL |
1606                                                  ADVERTISE_1000XHALF));
1607                                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1608                                         BMCR_ANRESTART | BMCR_ANENABLE);
1609
1610                                 bp->link_up = 0;
1611                                 netif_carrier_off(bp->dev);
1612                                 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1613                                 bnx2_report_link(bp);
1614                         }
1615                         bnx2_write_phy(bp, bp->mii_adv, adv);
1616                         bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1617                 } else {
1618                         bnx2_resolve_flow_ctrl(bp);
1619                         bnx2_set_mac_link(bp);
1620                 }
1621                 return 0;
1622         }
1623
1624         bnx2_test_and_enable_2g5(bp);
1625
1626         if (bp->advertising & ADVERTISED_1000baseT_Full)
1627                 new_adv |= ADVERTISE_1000XFULL;
1628
1629         new_adv |= bnx2_phy_get_pause_adv(bp);
1630
1631         bnx2_read_phy(bp, bp->mii_adv, &adv);
1632         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1633
1634         bp->serdes_an_pending = 0;
1635         if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1636                 /* Force a link down visible on the other side */
1637                 if (bp->link_up) {
1638                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1639                         spin_unlock_bh(&bp->phy_lock);
1640                         msleep(20);
1641                         spin_lock_bh(&bp->phy_lock);
1642                 }
1643
1644                 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1645                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1646                         BMCR_ANENABLE);
1647                 /* Speed up link-up time when the link partner
1648                  * does not autonegotiate which is very common
1649                  * in blade servers. Some blade servers use
1650                  * IPMI for kerboard input and it's important
1651                  * to minimize link disruptions. Autoneg. involves
1652                  * exchanging base pages plus 3 next pages and
1653                  * normally completes in about 120 msec.
1654                  */
1655                 bp->current_interval = SERDES_AN_TIMEOUT;
1656                 bp->serdes_an_pending = 1;
1657                 mod_timer(&bp->timer, jiffies + bp->current_interval);
1658         } else {
1659                 bnx2_resolve_flow_ctrl(bp);
1660                 bnx2_set_mac_link(bp);
1661         }
1662
1663         return 0;
1664 }
1665
1666 #define ETHTOOL_ALL_FIBRE_SPEED                                         \
1667         (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ?                  \
1668                 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1669                 (ADVERTISED_1000baseT_Full)
1670
1671 #define ETHTOOL_ALL_COPPER_SPEED                                        \
1672         (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |            \
1673         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |           \
1674         ADVERTISED_1000baseT_Full)
1675
1676 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1677         ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1678
1679 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1680
1681 static void
1682 bnx2_set_default_remote_link(struct bnx2 *bp)
1683 {
1684         u32 link;
1685
1686         if (bp->phy_port == PORT_TP)
1687                 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1688         else
1689                 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1690
1691         if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1692                 bp->req_line_speed = 0;
1693                 bp->autoneg |= AUTONEG_SPEED;
1694                 bp->advertising = ADVERTISED_Autoneg;
1695                 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1696                         bp->advertising |= ADVERTISED_10baseT_Half;
1697                 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1698                         bp->advertising |= ADVERTISED_10baseT_Full;
1699                 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1700                         bp->advertising |= ADVERTISED_100baseT_Half;
1701                 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1702                         bp->advertising |= ADVERTISED_100baseT_Full;
1703                 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1704                         bp->advertising |= ADVERTISED_1000baseT_Full;
1705                 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1706                         bp->advertising |= ADVERTISED_2500baseX_Full;
1707         } else {
1708                 bp->autoneg = 0;
1709                 bp->advertising = 0;
1710                 bp->req_duplex = DUPLEX_FULL;
1711                 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1712                         bp->req_line_speed = SPEED_10;
1713                         if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1714                                 bp->req_duplex = DUPLEX_HALF;
1715                 }
1716                 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1717                         bp->req_line_speed = SPEED_100;
1718                         if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1719                                 bp->req_duplex = DUPLEX_HALF;
1720                 }
1721                 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1722                         bp->req_line_speed = SPEED_1000;
1723                 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1724                         bp->req_line_speed = SPEED_2500;
1725         }
1726 }
1727
1728 static void
1729 bnx2_set_default_link(struct bnx2 *bp)
1730 {
1731         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1732                 bnx2_set_default_remote_link(bp);
1733                 return;
1734         }
1735
1736         bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1737         bp->req_line_speed = 0;
1738         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1739                 u32 reg;
1740
1741                 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1742
1743                 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1744                 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1745                 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1746                         bp->autoneg = 0;
1747                         bp->req_line_speed = bp->line_speed = SPEED_1000;
1748                         bp->req_duplex = DUPLEX_FULL;
1749                 }
1750         } else
1751                 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1752 }
1753
1754 static void
1755 bnx2_send_heart_beat(struct bnx2 *bp)
1756 {
1757         u32 msg;
1758         u32 addr;
1759
1760         spin_lock(&bp->indirect_lock);
1761         msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1762         addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1763         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1764         REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1765         spin_unlock(&bp->indirect_lock);
1766 }
1767
1768 static void
1769 bnx2_remote_phy_event(struct bnx2 *bp)
1770 {
1771         u32 msg;
1772         u8 link_up = bp->link_up;
1773         u8 old_port;
1774
1775         msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1776
1777         if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1778                 bnx2_send_heart_beat(bp);
1779
1780         msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1781
1782         if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1783                 bp->link_up = 0;
1784         else {
1785                 u32 speed;
1786
1787                 bp->link_up = 1;
1788                 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1789                 bp->duplex = DUPLEX_FULL;
1790                 switch (speed) {
1791                         case BNX2_LINK_STATUS_10HALF:
1792                                 bp->duplex = DUPLEX_HALF;
1793                         case BNX2_LINK_STATUS_10FULL:
1794                                 bp->line_speed = SPEED_10;
1795                                 break;
1796                         case BNX2_LINK_STATUS_100HALF:
1797                                 bp->duplex = DUPLEX_HALF;
1798                         case BNX2_LINK_STATUS_100BASE_T4:
1799                         case BNX2_LINK_STATUS_100FULL:
1800                                 bp->line_speed = SPEED_100;
1801                                 break;
1802                         case BNX2_LINK_STATUS_1000HALF:
1803                                 bp->duplex = DUPLEX_HALF;
1804                         case BNX2_LINK_STATUS_1000FULL:
1805                                 bp->line_speed = SPEED_1000;
1806                                 break;
1807                         case BNX2_LINK_STATUS_2500HALF:
1808                                 bp->duplex = DUPLEX_HALF;
1809                         case BNX2_LINK_STATUS_2500FULL:
1810                                 bp->line_speed = SPEED_2500;
1811                                 break;
1812                         default:
1813                                 bp->line_speed = 0;
1814                                 break;
1815                 }
1816
1817                 bp->flow_ctrl = 0;
1818                 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1819                     (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1820                         if (bp->duplex == DUPLEX_FULL)
1821                                 bp->flow_ctrl = bp->req_flow_ctrl;
1822                 } else {
1823                         if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1824                                 bp->flow_ctrl |= FLOW_CTRL_TX;
1825                         if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1826                                 bp->flow_ctrl |= FLOW_CTRL_RX;
1827                 }
1828
1829                 old_port = bp->phy_port;
1830                 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1831                         bp->phy_port = PORT_FIBRE;
1832                 else
1833                         bp->phy_port = PORT_TP;
1834
1835                 if (old_port != bp->phy_port)
1836                         bnx2_set_default_link(bp);
1837
1838         }
1839         if (bp->link_up != link_up)
1840                 bnx2_report_link(bp);
1841
1842         bnx2_set_mac_link(bp);
1843 }
1844
1845 static int
1846 bnx2_set_remote_link(struct bnx2 *bp)
1847 {
1848         u32 evt_code;
1849
1850         evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
1851         switch (evt_code) {
1852                 case BNX2_FW_EVT_CODE_LINK_EVENT:
1853                         bnx2_remote_phy_event(bp);
1854                         break;
1855                 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1856                 default:
1857                         bnx2_send_heart_beat(bp);
1858                         break;
1859         }
1860         return 0;
1861 }
1862
1863 static int
1864 bnx2_setup_copper_phy(struct bnx2 *bp)
1865 {
1866         u32 bmcr;
1867         u32 new_bmcr;
1868
1869         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1870
1871         if (bp->autoneg & AUTONEG_SPEED) {
1872                 u32 adv_reg, adv1000_reg;
1873                 u32 new_adv_reg = 0;
1874                 u32 new_adv1000_reg = 0;
1875
1876                 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1877                 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1878                         ADVERTISE_PAUSE_ASYM);
1879
1880                 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1881                 adv1000_reg &= PHY_ALL_1000_SPEED;
1882
1883                 if (bp->advertising & ADVERTISED_10baseT_Half)
1884                         new_adv_reg |= ADVERTISE_10HALF;
1885                 if (bp->advertising & ADVERTISED_10baseT_Full)
1886                         new_adv_reg |= ADVERTISE_10FULL;
1887                 if (bp->advertising & ADVERTISED_100baseT_Half)
1888                         new_adv_reg |= ADVERTISE_100HALF;
1889                 if (bp->advertising & ADVERTISED_100baseT_Full)
1890                         new_adv_reg |= ADVERTISE_100FULL;
1891                 if (bp->advertising & ADVERTISED_1000baseT_Full)
1892                         new_adv1000_reg |= ADVERTISE_1000FULL;
1893
1894                 new_adv_reg |= ADVERTISE_CSMA;
1895
1896                 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1897
1898                 if ((adv1000_reg != new_adv1000_reg) ||
1899                         (adv_reg != new_adv_reg) ||
1900                         ((bmcr & BMCR_ANENABLE) == 0)) {
1901
1902                         bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1903                         bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1904                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1905                                 BMCR_ANENABLE);
1906                 }
1907                 else if (bp->link_up) {
1908                         /* Flow ctrl may have changed from auto to forced */
1909                         /* or vice-versa. */
1910
1911                         bnx2_resolve_flow_ctrl(bp);
1912                         bnx2_set_mac_link(bp);
1913                 }
1914                 return 0;
1915         }
1916
1917         new_bmcr = 0;
1918         if (bp->req_line_speed == SPEED_100) {
1919                 new_bmcr |= BMCR_SPEED100;
1920         }
1921         if (bp->req_duplex == DUPLEX_FULL) {
1922                 new_bmcr |= BMCR_FULLDPLX;
1923         }
1924         if (new_bmcr != bmcr) {
1925                 u32 bmsr;
1926
1927                 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1928                 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1929
1930                 if (bmsr & BMSR_LSTATUS) {
1931                         /* Force link down */
1932                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1933                         spin_unlock_bh(&bp->phy_lock);
1934                         msleep(50);
1935                         spin_lock_bh(&bp->phy_lock);
1936
1937                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1938                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1939                 }
1940
1941                 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1942
1943                 /* Normally, the new speed is setup after the link has
1944                  * gone down and up again. In some cases, link will not go
1945                  * down so we need to set up the new speed here.
1946                  */
1947                 if (bmsr & BMSR_LSTATUS) {
1948                         bp->line_speed = bp->req_line_speed;
1949                         bp->duplex = bp->req_duplex;
1950                         bnx2_resolve_flow_ctrl(bp);
1951                         bnx2_set_mac_link(bp);
1952                 }
1953         } else {
1954                 bnx2_resolve_flow_ctrl(bp);
1955                 bnx2_set_mac_link(bp);
1956         }
1957         return 0;
1958 }
1959
1960 static int
1961 bnx2_setup_phy(struct bnx2 *bp, u8 port)
1962 {
1963         if (bp->loopback == MAC_LOOPBACK)
1964                 return 0;
1965
1966         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1967                 return (bnx2_setup_serdes_phy(bp, port));
1968         }
1969         else {
1970                 return (bnx2_setup_copper_phy(bp));
1971         }
1972 }
1973
1974 static int
1975 bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
1976 {
1977         u32 val;
1978
1979         bp->mii_bmcr = MII_BMCR + 0x10;
1980         bp->mii_bmsr = MII_BMSR + 0x10;
1981         bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1982         bp->mii_adv = MII_ADVERTISE + 0x10;
1983         bp->mii_lpa = MII_LPA + 0x10;
1984         bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1985
1986         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1987         bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1988
1989         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1990         if (reset_phy)
1991                 bnx2_reset_phy(bp);
1992
1993         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1994
1995         bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1996         val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1997         val |= MII_BNX2_SD_1000XCTL1_FIBER;
1998         bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1999
2000         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2001         bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
2002         if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
2003                 val |= BCM5708S_UP1_2G5;
2004         else
2005                 val &= ~BCM5708S_UP1_2G5;
2006         bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2007
2008         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2009         bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2010         val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2011         bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2012
2013         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2014
2015         val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2016               MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2017         bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2018
2019         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2020
2021         return 0;
2022 }
2023
2024 static int
2025 bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
2026 {
2027         u32 val;
2028
2029         if (reset_phy)
2030                 bnx2_reset_phy(bp);
2031
2032         bp->mii_up1 = BCM5708S_UP1;
2033
2034         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2035         bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2036         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2037
2038         bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2039         val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2040         bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2041
2042         bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2043         val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2044         bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2045
2046         if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
2047                 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2048                 val |= BCM5708S_UP1_2G5;
2049                 bnx2_write_phy(bp, BCM5708S_UP1, val);
2050         }
2051
2052         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
2053             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2054             (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
2055                 /* increase tx signal amplitude */
2056                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2057                                BCM5708S_BLK_ADDR_TX_MISC);
2058                 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2059                 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2060                 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2061                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2062         }
2063
2064         val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
2065               BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2066
2067         if (val) {
2068                 u32 is_backplane;
2069
2070                 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
2071                 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2072                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2073                                        BCM5708S_BLK_ADDR_TX_MISC);
2074                         bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2075                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2076                                        BCM5708S_BLK_ADDR_DIG);
2077                 }
2078         }
2079         return 0;
2080 }
2081
2082 static int
2083 bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
2084 {
2085         if (reset_phy)
2086                 bnx2_reset_phy(bp);
2087
2088         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
2089
2090         if (CHIP_NUM(bp) == CHIP_NUM_5706)
2091                 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
2092
2093         if (bp->dev->mtu > 1500) {
2094                 u32 val;
2095
2096                 /* Set extended packet length bit */
2097                 bnx2_write_phy(bp, 0x18, 0x7);
2098                 bnx2_read_phy(bp, 0x18, &val);
2099                 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2100
2101                 bnx2_write_phy(bp, 0x1c, 0x6c00);
2102                 bnx2_read_phy(bp, 0x1c, &val);
2103                 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2104         }
2105         else {
2106                 u32 val;
2107
2108                 bnx2_write_phy(bp, 0x18, 0x7);
2109                 bnx2_read_phy(bp, 0x18, &val);
2110                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2111
2112                 bnx2_write_phy(bp, 0x1c, 0x6c00);
2113                 bnx2_read_phy(bp, 0x1c, &val);
2114                 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2115         }
2116
2117         return 0;
2118 }
2119
2120 static int
2121 bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
2122 {
2123         u32 val;
2124
2125         if (reset_phy)
2126                 bnx2_reset_phy(bp);
2127
2128         if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2129                 bnx2_write_phy(bp, 0x18, 0x0c00);
2130                 bnx2_write_phy(bp, 0x17, 0x000a);
2131                 bnx2_write_phy(bp, 0x15, 0x310b);
2132                 bnx2_write_phy(bp, 0x17, 0x201f);
2133                 bnx2_write_phy(bp, 0x15, 0x9506);
2134                 bnx2_write_phy(bp, 0x17, 0x401f);
2135                 bnx2_write_phy(bp, 0x15, 0x14e2);
2136                 bnx2_write_phy(bp, 0x18, 0x0400);
2137         }
2138
2139         if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2140                 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2141                                MII_BNX2_DSP_EXPAND_REG | 0x8);
2142                 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2143                 val &= ~(1 << 8);
2144                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2145         }
2146
2147         if (bp->dev->mtu > 1500) {
2148                 /* Set extended packet length bit */
2149                 bnx2_write_phy(bp, 0x18, 0x7);
2150                 bnx2_read_phy(bp, 0x18, &val);
2151                 bnx2_write_phy(bp, 0x18, val | 0x4000);
2152
2153                 bnx2_read_phy(bp, 0x10, &val);
2154                 bnx2_write_phy(bp, 0x10, val | 0x1);
2155         }
2156         else {
2157                 bnx2_write_phy(bp, 0x18, 0x7);
2158                 bnx2_read_phy(bp, 0x18, &val);
2159                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2160
2161                 bnx2_read_phy(bp, 0x10, &val);
2162                 bnx2_write_phy(bp, 0x10, val & ~0x1);
2163         }
2164
2165         /* ethernet@wirespeed */
2166         bnx2_write_phy(bp, 0x18, 0x7007);
2167         bnx2_read_phy(bp, 0x18, &val);
2168         bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2169         return 0;
2170 }
2171
2172
2173 static int
2174 bnx2_init_phy(struct bnx2 *bp, int reset_phy)
2175 {
2176         u32 val;
2177         int rc = 0;
2178
2179         bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2180         bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2181
2182         bp->mii_bmcr = MII_BMCR;
2183         bp->mii_bmsr = MII_BMSR;
2184         bp->mii_bmsr1 = MII_BMSR;
2185         bp->mii_adv = MII_ADVERTISE;
2186         bp->mii_lpa = MII_LPA;
2187
2188         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2189
2190         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2191                 goto setup_phy;
2192
2193         bnx2_read_phy(bp, MII_PHYSID1, &val);
2194         bp->phy_id = val << 16;
2195         bnx2_read_phy(bp, MII_PHYSID2, &val);
2196         bp->phy_id |= val & 0xffff;
2197
2198         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2199                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2200                         rc = bnx2_init_5706s_phy(bp, reset_phy);
2201                 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2202                         rc = bnx2_init_5708s_phy(bp, reset_phy);
2203                 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2204                         rc = bnx2_init_5709s_phy(bp, reset_phy);
2205         }
2206         else {
2207                 rc = bnx2_init_copper_phy(bp, reset_phy);
2208         }
2209
2210 setup_phy:
2211         if (!rc)
2212                 rc = bnx2_setup_phy(bp, bp->phy_port);
2213
2214         return rc;
2215 }
2216
2217 static int
2218 bnx2_set_mac_loopback(struct bnx2 *bp)
2219 {
2220         u32 mac_mode;
2221
2222         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2223         mac_mode &= ~BNX2_EMAC_MODE_PORT;
2224         mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2225         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2226         bp->link_up = 1;
2227         return 0;
2228 }
2229
2230 static int bnx2_test_link(struct bnx2 *);
2231
2232 static int
2233 bnx2_set_phy_loopback(struct bnx2 *bp)
2234 {
2235         u32 mac_mode;
2236         int rc, i;
2237
2238         spin_lock_bh(&bp->phy_lock);
2239         rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
2240                             BMCR_SPEED1000);
2241         spin_unlock_bh(&bp->phy_lock);
2242         if (rc)
2243                 return rc;
2244
2245         for (i = 0; i < 10; i++) {
2246                 if (bnx2_test_link(bp) == 0)
2247                         break;
2248                 msleep(100);
2249         }
2250
2251         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2252         mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2253                       BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
2254                       BNX2_EMAC_MODE_25G_MODE);
2255
2256         mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2257         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2258         bp->link_up = 1;
2259         return 0;
2260 }
2261
2262 static int
2263 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
2264 {
2265         int i;
2266         u32 val;
2267
2268         bp->fw_wr_seq++;
2269         msg_data |= bp->fw_wr_seq;
2270
2271         bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2272
2273         if (!ack)
2274                 return 0;
2275
2276         /* wait for an acknowledgement. */
2277         for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2278                 msleep(10);
2279
2280                 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2281
2282                 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2283                         break;
2284         }
2285         if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2286                 return 0;
2287
2288         /* If we timed out, inform the firmware that this is the case. */
2289         if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2290                 if (!silent)
2291                         printk(KERN_ERR PFX "fw sync timeout, reset code = "
2292                                             "%x\n", msg_data);
2293
2294                 msg_data &= ~BNX2_DRV_MSG_CODE;
2295                 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2296
2297                 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2298
2299                 return -EBUSY;
2300         }
2301
2302         if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2303                 return -EIO;
2304
2305         return 0;
2306 }
2307
2308 static int
2309 bnx2_init_5709_context(struct bnx2 *bp)
2310 {
2311         int i, ret = 0;
2312         u32 val;
2313
2314         val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2315         val |= (BCM_PAGE_BITS - 8) << 16;
2316         REG_WR(bp, BNX2_CTX_COMMAND, val);
2317         for (i = 0; i < 10; i++) {
2318                 val = REG_RD(bp, BNX2_CTX_COMMAND);
2319                 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2320                         break;
2321                 udelay(2);
2322         }
2323         if (val & BNX2_CTX_COMMAND_MEM_INIT)
2324                 return -EBUSY;
2325
2326         for (i = 0; i < bp->ctx_pages; i++) {
2327                 int j;
2328
2329                 if (bp->ctx_blk[i])
2330                         memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2331                 else
2332                         return -ENOMEM;
2333
2334                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2335                        (bp->ctx_blk_mapping[i] & 0xffffffff) |
2336                        BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2337                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2338                        (u64) bp->ctx_blk_mapping[i] >> 32);
2339                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2340                        BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2341                 for (j = 0; j < 10; j++) {
2342
2343                         val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2344                         if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2345                                 break;
2346                         udelay(5);
2347                 }
2348                 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2349                         ret = -EBUSY;
2350                         break;
2351                 }
2352         }
2353         return ret;
2354 }
2355
2356 static void
2357 bnx2_init_context(struct bnx2 *bp)
2358 {
2359         u32 vcid;
2360
2361         vcid = 96;
2362         while (vcid) {
2363                 u32 vcid_addr, pcid_addr, offset;
2364                 int i;
2365
2366                 vcid--;
2367
2368                 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2369                         u32 new_vcid;
2370
2371                         vcid_addr = GET_PCID_ADDR(vcid);
2372                         if (vcid & 0x8) {
2373                                 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2374                         }
2375                         else {
2376                                 new_vcid = vcid;
2377                         }
2378                         pcid_addr = GET_PCID_ADDR(new_vcid);
2379                 }
2380                 else {
2381                         vcid_addr = GET_CID_ADDR(vcid);
2382                         pcid_addr = vcid_addr;
2383                 }
2384
2385                 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2386                         vcid_addr += (i << PHY_CTX_SHIFT);
2387                         pcid_addr += (i << PHY_CTX_SHIFT);
2388
2389                         REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2390                         REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2391
2392                         /* Zero out the context. */
2393                         for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2394                                 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2395                 }
2396         }
2397 }
2398
2399 static int
2400 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2401 {
2402         u16 *good_mbuf;
2403         u32 good_mbuf_cnt;
2404         u32 val;
2405
2406         good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2407         if (good_mbuf == NULL) {
2408                 printk(KERN_ERR PFX "Failed to allocate memory in "
2409                                     "bnx2_alloc_bad_rbuf\n");
2410                 return -ENOMEM;
2411         }
2412
2413         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2414                 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2415
2416         good_mbuf_cnt = 0;
2417
2418         /* Allocate a bunch of mbufs and save the good ones in an array. */
2419         val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2420         while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2421                 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2422                                 BNX2_RBUF_COMMAND_ALLOC_REQ);
2423
2424                 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2425
2426                 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2427
2428                 /* The addresses with Bit 9 set are bad memory blocks. */
2429                 if (!(val & (1 << 9))) {
2430                         good_mbuf[good_mbuf_cnt] = (u16) val;
2431                         good_mbuf_cnt++;
2432                 }
2433
2434                 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2435         }
2436
2437         /* Free the good ones back to the mbuf pool thus discarding
2438          * all the bad ones. */
2439         while (good_mbuf_cnt) {
2440                 good_mbuf_cnt--;
2441
2442                 val = good_mbuf[good_mbuf_cnt];
2443                 val = (val << 9) | val | 1;
2444
2445                 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2446         }
2447         kfree(good_mbuf);
2448         return 0;
2449 }
2450
2451 static void
2452 bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
2453 {
2454         u32 val;
2455
2456         val = (mac_addr[0] << 8) | mac_addr[1];
2457
2458         REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
2459
2460         val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2461                 (mac_addr[4] << 8) | mac_addr[5];
2462
2463         REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
2464 }
2465
2466 static inline int
2467 bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2468 {
2469         dma_addr_t mapping;
2470         struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2471         struct rx_bd *rxbd =
2472                 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2473         struct page *page = alloc_page(GFP_ATOMIC);
2474
2475         if (!page)
2476                 return -ENOMEM;
2477         mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2478                                PCI_DMA_FROMDEVICE);
2479         if (pci_dma_mapping_error(bp->pdev, mapping)) {
2480                 __free_page(page);
2481                 return -EIO;
2482         }
2483
2484         rx_pg->page = page;
2485         pci_unmap_addr_set(rx_pg, mapping, mapping);
2486         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2487         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2488         return 0;
2489 }
2490
2491 static void
2492 bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2493 {
2494         struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2495         struct page *page = rx_pg->page;
2496
2497         if (!page)
2498                 return;
2499
2500         pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2501                        PCI_DMA_FROMDEVICE);
2502
2503         __free_page(page);
2504         rx_pg->page = NULL;
2505 }
2506
2507 static inline int
2508 bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
2509 {
2510         struct sk_buff *skb;
2511         struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
2512         dma_addr_t mapping;
2513         struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2514         unsigned long align;
2515
2516         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2517         if (skb == NULL) {
2518                 return -ENOMEM;
2519         }
2520
2521         if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2522                 skb_reserve(skb, BNX2_RX_ALIGN - align);
2523
2524         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2525                 PCI_DMA_FROMDEVICE);
2526         if (pci_dma_mapping_error(bp->pdev, mapping)) {
2527                 dev_kfree_skb(skb);
2528                 return -EIO;
2529         }
2530
2531         rx_buf->skb = skb;
2532         pci_unmap_addr_set(rx_buf, mapping, mapping);
2533
2534         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2535         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2536
2537         rxr->rx_prod_bseq += bp->rx_buf_use_size;
2538
2539         return 0;
2540 }
2541
2542 static int
2543 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2544 {
2545         struct status_block *sblk = bnapi->status_blk.msi;
2546         u32 new_link_state, old_link_state;
2547         int is_set = 1;
2548
2549         new_link_state = sblk->status_attn_bits & event;
2550         old_link_state = sblk->status_attn_bits_ack & event;
2551         if (new_link_state != old_link_state) {
2552                 if (new_link_state)
2553                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2554                 else
2555                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2556         } else
2557                 is_set = 0;
2558
2559         return is_set;
2560 }
2561
2562 static void
2563 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2564 {
2565         spin_lock(&bp->phy_lock);
2566
2567         if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2568                 bnx2_set_link(bp);
2569         if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2570                 bnx2_set_remote_link(bp);
2571
2572         spin_unlock(&bp->phy_lock);
2573
2574 }
2575
2576 static inline u16
2577 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2578 {
2579         u16 cons;
2580
2581         /* Tell compiler that status block fields can change. */
2582         barrier();
2583         cons = *bnapi->hw_tx_cons_ptr;
2584         if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2585                 cons++;
2586         return cons;
2587 }
2588
2589 static int
2590 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2591 {
2592         struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
2593         u16 hw_cons, sw_cons, sw_ring_cons;
2594         int tx_pkt = 0, index;
2595         struct netdev_queue *txq;
2596
2597         index = (bnapi - bp->bnx2_napi);
2598         txq = netdev_get_tx_queue(bp->dev, index);
2599
2600         hw_cons = bnx2_get_hw_tx_cons(bnapi);
2601         sw_cons = txr->tx_cons;
2602
2603         while (sw_cons != hw_cons) {
2604                 struct sw_tx_bd *tx_buf;
2605                 struct sk_buff *skb;
2606                 int i, last;
2607
2608                 sw_ring_cons = TX_RING_IDX(sw_cons);
2609
2610                 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
2611                 skb = tx_buf->skb;
2612
2613                 /* partial BD completions possible with TSO packets */
2614                 if (skb_is_gso(skb)) {
2615                         u16 last_idx, last_ring_idx;
2616
2617                         last_idx = sw_cons +
2618                                 skb_shinfo(skb)->nr_frags + 1;
2619                         last_ring_idx = sw_ring_cons +
2620                                 skb_shinfo(skb)->nr_frags + 1;
2621                         if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2622                                 last_idx++;
2623                         }
2624                         if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2625                                 break;
2626                         }
2627                 }
2628
2629                 skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
2630
2631                 tx_buf->skb = NULL;
2632                 last = skb_shinfo(skb)->nr_frags;
2633
2634                 for (i = 0; i < last; i++) {
2635                         sw_cons = NEXT_TX_BD(sw_cons);
2636                 }
2637
2638                 sw_cons = NEXT_TX_BD(sw_cons);
2639
2640                 dev_kfree_skb(skb);
2641                 tx_pkt++;
2642                 if (tx_pkt == budget)
2643                         break;
2644
2645                 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2646         }
2647
2648         txr->hw_tx_cons = hw_cons;
2649         txr->tx_cons = sw_cons;
2650
2651         /* Need to make the tx_cons update visible to bnx2_start_xmit()
2652          * before checking for netif_tx_queue_stopped().  Without the
2653          * memory barrier, there is a small possibility that bnx2_start_xmit()
2654          * will miss it and cause the queue to be stopped forever.
2655          */
2656         smp_mb();
2657
2658         if (unlikely(netif_tx_queue_stopped(txq)) &&
2659                      (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
2660                 __netif_tx_lock(txq, smp_processor_id());
2661                 if ((netif_tx_queue_stopped(txq)) &&
2662                     (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
2663                         netif_tx_wake_queue(txq);
2664                 __netif_tx_unlock(txq);
2665         }
2666
2667         return tx_pkt;
2668 }
2669
2670 static void
2671 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2672                         struct sk_buff *skb, int count)
2673 {
2674         struct sw_pg *cons_rx_pg, *prod_rx_pg;
2675         struct rx_bd *cons_bd, *prod_bd;
2676         int i;
2677         u16 hw_prod, prod;
2678         u16 cons = rxr->rx_pg_cons;
2679
2680         cons_rx_pg = &rxr->rx_pg_ring[cons];
2681
2682         /* The caller was unable to allocate a new page to replace the
2683          * last one in the frags array, so we need to recycle that page
2684          * and then free the skb.
2685          */
2686         if (skb) {
2687                 struct page *page;
2688                 struct skb_shared_info *shinfo;
2689
2690                 shinfo = skb_shinfo(skb);
2691                 shinfo->nr_frags--;
2692                 page = shinfo->frags[shinfo->nr_frags].page;
2693                 shinfo->frags[shinfo->nr_frags].page = NULL;
2694
2695                 cons_rx_pg->page = page;
2696                 dev_kfree_skb(skb);
2697         }
2698
2699         hw_prod = rxr->rx_pg_prod;
2700
2701         for (i = 0; i < count; i++) {
2702                 prod = RX_PG_RING_IDX(hw_prod);
2703
2704                 prod_rx_pg = &rxr->rx_pg_ring[prod];
2705                 cons_rx_pg = &rxr->rx_pg_ring[cons];
2706                 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2707                 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2708
2709                 if (prod != cons) {
2710                         prod_rx_pg->page = cons_rx_pg->page;
2711                         cons_rx_pg->page = NULL;
2712                         pci_unmap_addr_set(prod_rx_pg, mapping,
2713                                 pci_unmap_addr(cons_rx_pg, mapping));
2714
2715                         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2716                         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2717
2718                 }
2719                 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2720                 hw_prod = NEXT_RX_BD(hw_prod);
2721         }
2722         rxr->rx_pg_prod = hw_prod;
2723         rxr->rx_pg_cons = cons;
2724 }
2725
2726 static inline void
2727 bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2728                   struct sk_buff *skb, u16 cons, u16 prod)
2729 {
2730         struct sw_bd *cons_rx_buf, *prod_rx_buf;
2731         struct rx_bd *cons_bd, *prod_bd;
2732
2733         cons_rx_buf = &rxr->rx_buf_ring[cons];
2734         prod_rx_buf = &rxr->rx_buf_ring[prod];
2735
2736         pci_dma_sync_single_for_device(bp->pdev,
2737                 pci_unmap_addr(cons_rx_buf, mapping),
2738                 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2739
2740         rxr->rx_prod_bseq += bp->rx_buf_use_size;
2741
2742         prod_rx_buf->skb = skb;
2743
2744         if (cons == prod)
2745                 return;
2746
2747         pci_unmap_addr_set(prod_rx_buf, mapping,
2748                         pci_unmap_addr(cons_rx_buf, mapping));
2749
2750         cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2751         prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2752         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2753         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2754 }
2755
2756 static int
2757 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
2758             unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2759             u32 ring_idx)
2760 {
2761         int err;
2762         u16 prod = ring_idx & 0xffff;
2763
2764         err = bnx2_alloc_rx_skb(bp, rxr, prod);
2765         if (unlikely(err)) {
2766                 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
2767                 if (hdr_len) {
2768                         unsigned int raw_len = len + 4;
2769                         int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2770
2771                         bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
2772                 }
2773                 return err;
2774         }
2775
2776         skb_reserve(skb, BNX2_RX_OFFSET);
2777         pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2778                          PCI_DMA_FROMDEVICE);
2779
2780         if (hdr_len == 0) {
2781                 skb_put(skb, len);
2782                 return 0;
2783         } else {
2784                 unsigned int i, frag_len, frag_size, pages;
2785                 struct sw_pg *rx_pg;
2786                 u16 pg_cons = rxr->rx_pg_cons;
2787                 u16 pg_prod = rxr->rx_pg_prod;
2788
2789                 frag_size = len + 4 - hdr_len;
2790                 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2791                 skb_put(skb, hdr_len);
2792
2793                 for (i = 0; i < pages; i++) {
2794                         dma_addr_t mapping_old;
2795
2796                         frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2797                         if (unlikely(frag_len <= 4)) {
2798                                 unsigned int tail = 4 - frag_len;
2799
2800                                 rxr->rx_pg_cons = pg_cons;
2801                                 rxr->rx_pg_prod = pg_prod;
2802                                 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
2803                                                         pages - i);
2804                                 skb->len -= tail;
2805                                 if (i == 0) {
2806                                         skb->tail -= tail;
2807                                 } else {
2808                                         skb_frag_t *frag =
2809                                                 &skb_shinfo(skb)->frags[i - 1];
2810                                         frag->size -= tail;
2811                                         skb->data_len -= tail;
2812                                         skb->truesize -= tail;
2813                                 }
2814                                 return 0;
2815                         }
2816                         rx_pg = &rxr->rx_pg_ring[pg_cons];
2817
2818                         /* Don't unmap yet.  If we're unable to allocate a new
2819                          * page, we need to recycle the page and the DMA addr.
2820                          */
2821                         mapping_old = pci_unmap_addr(rx_pg, mapping);
2822                         if (i == pages - 1)
2823                                 frag_len -= 4;
2824
2825                         skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2826                         rx_pg->page = NULL;
2827
2828                         err = bnx2_alloc_rx_page(bp, rxr,
2829                                                  RX_PG_RING_IDX(pg_prod));
2830                         if (unlikely(err)) {
2831                                 rxr->rx_pg_cons = pg_cons;
2832                                 rxr->rx_pg_prod = pg_prod;
2833                                 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
2834                                                         pages - i);
2835                                 return err;
2836                         }
2837
2838                         pci_unmap_page(bp->pdev, mapping_old,
2839                                        PAGE_SIZE, PCI_DMA_FROMDEVICE);
2840
2841                         frag_size -= frag_len;
2842                         skb->data_len += frag_len;
2843                         skb->truesize += frag_len;
2844                         skb->len += frag_len;
2845
2846                         pg_prod = NEXT_RX_BD(pg_prod);
2847                         pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2848                 }
2849                 rxr->rx_pg_prod = pg_prod;
2850                 rxr->rx_pg_cons = pg_cons;
2851         }
2852         return 0;
2853 }
2854
2855 static inline u16
2856 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
2857 {
2858         u16 cons;
2859
2860         /* Tell compiler that status block fields can change. */
2861         barrier();
2862         cons = *bnapi->hw_rx_cons_ptr;
2863         if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2864                 cons++;
2865         return cons;
2866 }
2867
2868 static int
2869 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2870 {
2871         struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
2872         u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2873         struct l2_fhdr *rx_hdr;
2874         int rx_pkt = 0, pg_ring_used = 0;
2875
2876         hw_cons = bnx2_get_hw_rx_cons(bnapi);
2877         sw_cons = rxr->rx_cons;
2878         sw_prod = rxr->rx_prod;
2879
2880         /* Memory barrier necessary as speculative reads of the rx
2881          * buffer can be ahead of the index in the status block
2882          */
2883         rmb();
2884         while (sw_cons != hw_cons) {
2885                 unsigned int len, hdr_len;
2886                 u32 status;
2887                 struct sw_bd *rx_buf;
2888                 struct sk_buff *skb;
2889                 dma_addr_t dma_addr;
2890                 u16 vtag = 0;
2891                 int hw_vlan __maybe_unused = 0;
2892
2893                 sw_ring_cons = RX_RING_IDX(sw_cons);
2894                 sw_ring_prod = RX_RING_IDX(sw_prod);
2895
2896                 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
2897                 skb = rx_buf->skb;
2898
2899                 rx_buf->skb = NULL;
2900
2901                 dma_addr = pci_unmap_addr(rx_buf, mapping);
2902
2903                 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2904                         BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
2905                         PCI_DMA_FROMDEVICE);
2906
2907                 rx_hdr = (struct l2_fhdr *) skb->data;
2908                 len = rx_hdr->l2_fhdr_pkt_len;
2909
2910                 if ((status = rx_hdr->l2_fhdr_status) &
2911                         (L2_FHDR_ERRORS_BAD_CRC |
2912                         L2_FHDR_ERRORS_PHY_DECODE |
2913                         L2_FHDR_ERRORS_ALIGNMENT |
2914                         L2_FHDR_ERRORS_TOO_SHORT |
2915                         L2_FHDR_ERRORS_GIANT_FRAME)) {
2916
2917                         bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
2918                                           sw_ring_prod);
2919                         goto next_rx;
2920                 }
2921                 hdr_len = 0;
2922                 if (status & L2_FHDR_STATUS_SPLIT) {
2923                         hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2924                         pg_ring_used = 1;
2925                 } else if (len > bp->rx_jumbo_thresh) {
2926                         hdr_len = bp->rx_jumbo_thresh;
2927                         pg_ring_used = 1;
2928                 }
2929
2930                 len -= 4;
2931
2932                 if (len <= bp->rx_copy_thresh) {
2933                         struct sk_buff *new_skb;
2934
2935                         new_skb = netdev_alloc_skb(bp->dev, len + 6);
2936                         if (new_skb == NULL) {
2937                                 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
2938                                                   sw_ring_prod);
2939                                 goto next_rx;
2940                         }
2941
2942                         /* aligned copy */
2943                         skb_copy_from_linear_data_offset(skb,
2944                                                          BNX2_RX_OFFSET - 6,
2945                                       new_skb->data, len + 6);
2946                         skb_reserve(new_skb, 6);
2947                         skb_put(new_skb, len);
2948
2949                         bnx2_reuse_rx_skb(bp, rxr, skb,
2950                                 sw_ring_cons, sw_ring_prod);
2951
2952                         skb = new_skb;
2953                 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
2954                            dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2955                         goto next_rx;
2956
2957                 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
2958                     !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
2959                         vtag = rx_hdr->l2_fhdr_vlan_tag;
2960 #ifdef BCM_VLAN
2961                         if (bp->vlgrp)
2962                                 hw_vlan = 1;
2963                         else
2964 #endif
2965                         {
2966                                 struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
2967                                         __skb_push(skb, 4);
2968
2969                                 memmove(ve, skb->data + 4, ETH_ALEN * 2);
2970                                 ve->h_vlan_proto = htons(ETH_P_8021Q);
2971                                 ve->h_vlan_TCI = htons(vtag);
2972                                 len += 4;
2973                         }
2974                 }
2975
2976                 skb->protocol = eth_type_trans(skb, bp->dev);
2977
2978                 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
2979                         (ntohs(skb->protocol) != 0x8100)) {
2980
2981                         dev_kfree_skb(skb);
2982                         goto next_rx;
2983
2984                 }
2985
2986                 skb->ip_summed = CHECKSUM_NONE;
2987                 if (bp->rx_csum &&
2988                         (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2989                         L2_FHDR_STATUS_UDP_DATAGRAM))) {
2990
2991                         if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2992                                               L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2993                                 skb->ip_summed = CHECKSUM_UNNECESSARY;
2994                 }
2995
2996 #ifdef BCM_VLAN
2997                 if (hw_vlan)
2998                         vlan_hwaccel_receive_skb(skb, bp->vlgrp, vtag);
2999                 else
3000 #endif
3001                         netif_receive_skb(skb);
3002
3003                 bp->dev->last_rx = jiffies;
3004                 rx_pkt++;
3005
3006 next_rx:
3007                 sw_cons = NEXT_RX_BD(sw_cons);
3008                 sw_prod = NEXT_RX_BD(sw_prod);
3009
3010                 if ((rx_pkt == budget))
3011                         break;
3012
3013                 /* Refresh hw_cons to see if there is new work */
3014                 if (sw_cons == hw_cons) {
3015                         hw_cons = bnx2_get_hw_rx_cons(bnapi);
3016                         rmb();
3017                 }
3018         }
3019         rxr->rx_cons = sw_cons;
3020         rxr->rx_prod = sw_prod;
3021
3022         if (pg_ring_used)
3023                 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
3024
3025         REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
3026
3027         REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
3028
3029         mmiowb();
3030
3031         return rx_pkt;
3032
3033 }
3034
3035 /* MSI ISR - The only difference between this and the INTx ISR
3036  * is that the MSI interrupt is always serviced.
3037  */
3038 static irqreturn_t
3039 bnx2_msi(int irq, void *dev_instance)
3040 {
3041         struct bnx2_napi *bnapi = dev_instance;
3042         struct bnx2 *bp = bnapi->bp;
3043         struct net_device *dev = bp->dev;
3044
3045         prefetch(bnapi->status_blk.msi);
3046         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3047                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3048                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3049
3050         /* Return here if interrupt is disabled. */
3051         if (unlikely(atomic_read(&bp->intr_sem) != 0))
3052                 return IRQ_HANDLED;
3053
3054         netif_rx_schedule(dev, &bnapi->napi);
3055
3056         return IRQ_HANDLED;
3057 }
3058
3059 static irqreturn_t
3060 bnx2_msi_1shot(int irq, void *dev_instance)
3061 {
3062         struct bnx2_napi *bnapi = dev_instance;
3063         struct bnx2 *bp = bnapi->bp;
3064         struct net_device *dev = bp->dev;
3065
3066         prefetch(bnapi->status_blk.msi);
3067
3068         /* Return here if interrupt is disabled. */
3069         if (unlikely(atomic_read(&bp->intr_sem) != 0))
3070                 return IRQ_HANDLED;
3071
3072         netif_rx_schedule(dev, &bnapi->napi);
3073
3074         return IRQ_HANDLED;
3075 }
3076
3077 static irqreturn_t
3078 bnx2_interrupt(int irq, void *dev_instance)
3079 {
3080         struct bnx2_napi *bnapi = dev_instance;
3081         struct bnx2 *bp = bnapi->bp;
3082         struct net_device *dev = bp->dev;
3083         struct status_block *sblk = bnapi->status_blk.msi;
3084
3085         /* When using INTx, it is possible for the interrupt to arrive
3086          * at the CPU before the status block posted prior to the
3087          * interrupt. Reading a register will flush the status block.
3088          * When using MSI, the MSI message will always complete after
3089          * the status block write.
3090          */
3091         if ((sblk->status_idx == bnapi->last_status_idx) &&
3092             (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3093              BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
3094                 return IRQ_NONE;
3095
3096         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3097                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3098                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3099
3100         /* Read back to deassert IRQ immediately to avoid too many
3101          * spurious interrupts.
3102          */
3103         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3104
3105         /* Return here if interrupt is shared and is disabled. */
3106         if (unlikely(atomic_read(&bp->intr_sem) != 0))
3107                 return IRQ_HANDLED;
3108
3109         if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
3110                 bnapi->last_status_idx = sblk->status_idx;
3111                 __netif_rx_schedule(dev, &bnapi->napi);
3112         }
3113
3114         return IRQ_HANDLED;
3115 }
3116
3117 static inline int
3118 bnx2_has_fast_work(struct bnx2_napi *bnapi)
3119 {
3120         struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3121         struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3122
3123         if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3124             (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3125                 return 1;
3126         return 0;
3127 }
3128
3129 #define STATUS_ATTN_EVENTS      (STATUS_ATTN_BITS_LINK_STATE | \
3130                                  STATUS_ATTN_BITS_TIMER_ABORT)
3131
3132 static inline int
3133 bnx2_has_work(struct bnx2_napi *bnapi)
3134 {
3135         struct status_block *sblk = bnapi->status_blk.msi;
3136
3137         if (bnx2_has_fast_work(bnapi))
3138                 return 1;
3139
3140         if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3141             (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
3142                 return 1;
3143
3144         return 0;
3145 }
3146
3147 static void
3148 bnx2_chk_missed_msi(struct bnx2 *bp)
3149 {
3150         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3151         u32 msi_ctrl;
3152
3153         if (bnx2_has_work(bnapi)) {
3154                 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
3155                 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3156                         return;
3157
3158                 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
3159                         REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3160                                ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3161                         REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
3162                         bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3163                 }
3164         }
3165
3166         bp->idle_chk_status_idx = bnapi->last_status_idx;
3167 }
3168
3169 static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
3170 {
3171         struct status_block *sblk = bnapi->status_blk.msi;
3172         u32 status_attn_bits = sblk->status_attn_bits;
3173         u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3174
3175         if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3176             (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3177
3178                 bnx2_phy_int(bp, bnapi);
3179
3180                 /* This is needed to take care of transient status
3181                  * during link changes.
3182                  */
3183                 REG_WR(bp, BNX2_HC_COMMAND,
3184                        bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3185                 REG_RD(bp, BNX2_HC_COMMAND);
3186         }
3187 }
3188
3189 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3190                           int work_done, int budget)
3191 {
3192         struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3193         struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3194
3195         if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
3196                 bnx2_tx_int(bp, bnapi, 0);
3197
3198         if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
3199                 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3200
3201         return work_done;
3202 }
3203
3204 static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3205 {
3206         struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3207         struct bnx2 *bp = bnapi->bp;
3208         int work_done = 0;
3209         struct status_block_msix *sblk = bnapi->status_blk.msix;
3210
3211         while (1) {
3212                 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3213                 if (unlikely(work_done >= budget))
3214                         break;
3215
3216                 bnapi->last_status_idx = sblk->status_idx;
3217                 /* status idx must be read before checking for more work. */
3218                 rmb();
3219                 if (likely(!bnx2_has_fast_work(bnapi))) {
3220
3221                         netif_rx_complete(bp->dev, napi);
3222                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3223                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3224                                bnapi->last_status_idx);
3225                         break;
3226                 }
3227         }
3228         return work_done;
3229 }
3230
3231 static int bnx2_poll(struct napi_struct *napi, int budget)
3232 {
3233         struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3234         struct bnx2 *bp = bnapi->bp;
3235         int work_done = 0;
3236         struct status_block *sblk = bnapi->status_blk.msi;
3237
3238         while (1) {
3239                 bnx2_poll_link(bp, bnapi);
3240
3241                 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3242
3243                 /* bnapi->last_status_idx is used below to tell the hw how
3244                  * much work has been processed, so we must read it before
3245                  * checking for more work.
3246                  */
3247                 bnapi->last_status_idx = sblk->status_idx;
3248
3249                 if (unlikely(work_done >= budget))
3250                         break;
3251
3252                 rmb();
3253                 if (likely(!bnx2_has_work(bnapi))) {
3254                         netif_rx_complete(bp->dev, napi);
3255                         if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3256                                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3257                                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3258                                        bnapi->last_status_idx);
3259                                 break;
3260                         }
3261                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3262                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3263                                BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3264                                bnapi->last_status_idx);
3265
3266                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3267                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3268                                bnapi->last_status_idx);
3269                         break;
3270                 }
3271         }
3272
3273         return work_done;
3274 }
3275
3276 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
3277  * from set_multicast.
3278  */
3279 static void
3280 bnx2_set_rx_mode(struct net_device *dev)
3281 {
3282         struct bnx2 *bp = netdev_priv(dev);
3283         u32 rx_mode, sort_mode;
3284         struct dev_addr_list *uc_ptr;
3285         int i;
3286
3287         if (!netif_running(dev))
3288                 return;
3289
3290         spin_lock_bh(&bp->phy_lock);
3291
3292         rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3293                                   BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3294         sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3295 #ifdef BCM_VLAN
3296         if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
3297                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3298 #else
3299         if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
3300                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3301 #endif
3302         if (dev->flags & IFF_PROMISC) {
3303                 /* Promiscuous mode. */
3304                 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3305                 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3306                              BNX2_RPM_SORT_USER0_PROM_VLAN;
3307         }
3308         else if (dev->flags & IFF_ALLMULTI) {
3309                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3310                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3311                                0xffffffff);
3312                 }
3313                 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3314         }
3315         else {
3316                 /* Accept one or more multicast(s). */
3317                 struct dev_mc_list *mclist;
3318                 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3319                 u32 regidx;
3320                 u32 bit;
3321                 u32 crc;
3322
3323                 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3324
3325                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3326                      i++, mclist = mclist->next) {
3327
3328                         crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3329                         bit = crc & 0xff;
3330                         regidx = (bit & 0xe0) >> 5;
3331                         bit &= 0x1f;
3332                         mc_filter[regidx] |= (1 << bit);
3333                 }
3334
3335                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3336                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3337                                mc_filter[i]);
3338                 }
3339
3340                 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3341         }
3342
3343         uc_ptr = NULL;
3344         if (dev->uc_count > BNX2_MAX_UNICAST_ADDRESSES) {
3345                 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3346                 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3347                              BNX2_RPM_SORT_USER0_PROM_VLAN;
3348         } else if (!(dev->flags & IFF_PROMISC)) {
3349                 uc_ptr = dev->uc_list;
3350
3351                 /* Add all entries into to the match filter list */
3352                 for (i = 0; i < dev->uc_count; i++) {
3353                         bnx2_set_mac_addr(bp, uc_ptr->da_addr,
3354                                           i + BNX2_START_UNICAST_ADDRESS_INDEX);
3355                         sort_mode |= (1 <<
3356                                       (i + BNX2_START_UNICAST_ADDRESS_INDEX));
3357                         uc_ptr = uc_ptr->next;
3358                 }
3359
3360         }
3361
3362         if (rx_mode != bp->rx_mode) {
3363                 bp->rx_mode = rx_mode;
3364                 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3365         }
3366
3367         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3368         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3369         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3370
3371         spin_unlock_bh(&bp->phy_lock);
3372 }
3373
3374 static void
3375 load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3376         u32 rv2p_proc)
3377 {
3378         int i;
3379         u32 val;
3380
3381         if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
3382                 val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
3383                 val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
3384                 val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
3385                 rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
3386         }
3387
3388         for (i = 0; i < rv2p_code_len; i += 8) {
3389                 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3390                 rv2p_code++;
3391                 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3392                 rv2p_code++;
3393
3394                 if (rv2p_proc == RV2P_PROC1) {
3395                         val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3396                         REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3397                 }
3398                 else {
3399                         val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3400                         REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3401                 }
3402         }
3403
3404         /* Reset the processor, un-stall is done later. */
3405         if (rv2p_proc == RV2P_PROC1) {
3406                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3407         }
3408         else {
3409                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3410         }
3411 }
3412
3413 static int
3414 load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg, struct fw_info *fw)
3415 {
3416         u32 offset;
3417         u32 val;
3418         int rc;
3419
3420         /* Halt the CPU. */
3421         val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3422         val |= cpu_reg->mode_value_halt;
3423         bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3424         bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3425
3426         /* Load the Text area. */
3427         offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
3428         if (fw->gz_text) {
3429                 int j;
3430
3431                 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3432                                        fw->gz_text_len);
3433                 if (rc < 0)
3434                         return rc;
3435
3436                 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
3437                         bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
3438                 }
3439         }
3440
3441         /* Load the Data area. */
3442         offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3443         if (fw->data) {
3444                 int j;
3445
3446                 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
3447                         bnx2_reg_wr_ind(bp, offset, fw->data[j]);
3448                 }
3449         }
3450
3451         /* Load the SBSS area. */
3452         offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
3453         if (fw->sbss_len) {
3454                 int j;
3455
3456                 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
3457                         bnx2_reg_wr_ind(bp, offset, 0);
3458                 }
3459         }
3460
3461         /* Load the BSS area. */
3462         offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
3463         if (fw->bss_len) {
3464                 int j;
3465
3466                 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
3467                         bnx2_reg_wr_ind(bp, offset, 0);
3468                 }
3469         }
3470
3471         /* Load the Read-Only area. */
3472         offset = cpu_reg->spad_base +
3473                 (fw->rodata_addr - cpu_reg->mips_view_base);
3474         if (fw->rodata) {
3475                 int j;
3476
3477                 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
3478                         bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
3479                 }
3480         }
3481
3482         /* Clear the pre-fetch instruction. */
3483         bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3484         bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
3485
3486         /* Start the CPU. */
3487         val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3488         val &= ~cpu_reg->mode_value_halt;
3489         bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3490         bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3491
3492         return 0;
3493 }
3494
3495 static int
3496 bnx2_init_cpus(struct bnx2 *bp)
3497 {
3498         struct fw_info *fw;
3499         int rc, rv2p_len;
3500         void *text, *rv2p;
3501
3502         /* Initialize the RV2P processor. */
3503         text = vmalloc(FW_BUF_SIZE);
3504         if (!text)
3505                 return -ENOMEM;
3506         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3507                 rv2p = bnx2_xi_rv2p_proc1;
3508                 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3509         } else {
3510                 rv2p = bnx2_rv2p_proc1;
3511                 rv2p_len = sizeof(bnx2_rv2p_proc1);
3512         }
3513         rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3514         if (rc < 0)
3515                 goto init_cpu_err;
3516
3517         load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3518
3519         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3520                 rv2p = bnx2_xi_rv2p_proc2;
3521                 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3522         } else {
3523                 rv2p = bnx2_rv2p_proc2;
3524                 rv2p_len = sizeof(bnx2_rv2p_proc2);
3525         }
3526         rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3527         if (rc < 0)
3528                 goto init_cpu_err;
3529
3530         load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3531
3532         /* Initialize the RX Processor. */
3533         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3534                 fw = &bnx2_rxp_fw_09;
3535         else
3536                 fw = &bnx2_rxp_fw_06;
3537
3538         fw->text = text;
3539         rc = load_cpu_fw(bp, &cpu_reg_rxp, fw);
3540         if (rc)
3541                 goto init_cpu_err;
3542
3543         /* Initialize the TX Processor. */
3544         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3545                 fw = &bnx2_txp_fw_09;
3546         else
3547                 fw = &bnx2_txp_fw_06;
3548
3549         fw->text = text;
3550         rc = load_cpu_fw(bp, &cpu_reg_txp, fw);
3551         if (rc)
3552                 goto init_cpu_err;
3553
3554         /* Initialize the TX Patch-up Processor. */
3555         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3556                 fw = &bnx2_tpat_fw_09;
3557         else
3558                 fw = &bnx2_tpat_fw_06;
3559
3560         fw->text = text;
3561         rc = load_cpu_fw(bp, &cpu_reg_tpat, fw);
3562         if (rc)
3563                 goto init_cpu_err;
3564
3565         /* Initialize the Completion Processor. */
3566         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3567                 fw = &bnx2_com_fw_09;
3568         else
3569                 fw = &bnx2_com_fw_06;
3570
3571         fw->text = text;
3572         rc = load_cpu_fw(bp, &cpu_reg_com, fw);
3573         if (rc)
3574                 goto init_cpu_err;
3575
3576         /* Initialize the Command Processor. */
3577         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3578                 fw = &bnx2_cp_fw_09;
3579         else
3580                 fw = &bnx2_cp_fw_06;
3581
3582         fw->text = text;
3583         rc = load_cpu_fw(bp, &cpu_reg_cp, fw);
3584
3585 init_cpu_err:
3586         vfree(text);
3587         return rc;
3588 }
3589
3590 static int
3591 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3592 {
3593         u16 pmcsr;
3594
3595         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3596
3597         switch (state) {
3598         case PCI_D0: {
3599                 u32 val;
3600
3601                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3602                         (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3603                         PCI_PM_CTRL_PME_STATUS);
3604
3605                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3606                         /* delay required during transition out of D3hot */
3607                         msleep(20);
3608
3609                 val = REG_RD(bp, BNX2_EMAC_MODE);
3610                 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3611                 val &= ~BNX2_EMAC_MODE_MPKT;
3612                 REG_WR(bp, BNX2_EMAC_MODE, val);
3613
3614                 val = REG_RD(bp, BNX2_RPM_CONFIG);
3615                 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3616                 REG_WR(bp, BNX2_RPM_CONFIG, val);
3617                 break;
3618         }
3619         case PCI_D3hot: {
3620                 int i;
3621                 u32 val, wol_msg;
3622
3623                 if (bp->wol) {
3624                         u32 advertising;
3625                         u8 autoneg;
3626
3627                         autoneg = bp->autoneg;
3628                         advertising = bp->advertising;
3629
3630                         if (bp->phy_port == PORT_TP) {
3631                                 bp->autoneg = AUTONEG_SPEED;
3632                                 bp->advertising = ADVERTISED_10baseT_Half |
3633                                         ADVERTISED_10baseT_Full |
3634                                         ADVERTISED_100baseT_Half |
3635                                         ADVERTISED_100baseT_Full |
3636                                         ADVERTISED_Autoneg;
3637                         }
3638
3639                         spin_lock_bh(&bp->phy_lock);
3640                         bnx2_setup_phy(bp, bp->phy_port);
3641                         spin_unlock_bh(&bp->phy_lock);
3642
3643                         bp->autoneg = autoneg;
3644                         bp->advertising = advertising;
3645
3646                         bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3647
3648                         val = REG_RD(bp, BNX2_EMAC_MODE);
3649
3650                         /* Enable port mode. */
3651                         val &= ~BNX2_EMAC_MODE_PORT;
3652                         val |= BNX2_EMAC_MODE_MPKT_RCVD |
3653                                BNX2_EMAC_MODE_ACPI_RCVD |
3654                                BNX2_EMAC_MODE_MPKT;
3655                         if (bp->phy_port == PORT_TP)
3656                                 val |= BNX2_EMAC_MODE_PORT_MII;
3657                         else {
3658                                 val |= BNX2_EMAC_MODE_PORT_GMII;
3659                                 if (bp->line_speed == SPEED_2500)
3660                                         val |= BNX2_EMAC_MODE_25G_MODE;
3661                         }
3662
3663                         REG_WR(bp, BNX2_EMAC_MODE, val);
3664
3665                         /* receive all multicast */
3666                         for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3667                                 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3668                                        0xffffffff);
3669                         }
3670                         REG_WR(bp, BNX2_EMAC_RX_MODE,
3671                                BNX2_EMAC_RX_MODE_SORT_MODE);
3672
3673                         val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3674                               BNX2_RPM_SORT_USER0_MC_EN;
3675                         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3676                         REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3677                         REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3678                                BNX2_RPM_SORT_USER0_ENA);
3679
3680                         /* Need to enable EMAC and RPM for WOL. */
3681                         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3682                                BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3683                                BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3684                                BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3685
3686                         val = REG_RD(bp, BNX2_RPM_CONFIG);
3687                         val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3688                         REG_WR(bp, BNX2_RPM_CONFIG, val);
3689
3690                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3691                 }
3692                 else {
3693                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3694                 }
3695
3696                 if (!(bp->flags & BNX2_FLAG_NO_WOL))
3697                         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3698                                      1, 0);
3699
3700                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3701                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3702                     (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3703
3704                         if (bp->wol)
3705                                 pmcsr |= 3;
3706                 }
3707                 else {
3708                         pmcsr |= 3;
3709                 }
3710                 if (bp->wol) {
3711                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3712                 }
3713                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3714                                       pmcsr);
3715
3716                 /* No more memory access after this point until
3717                  * device is brought back to D0.
3718                  */
3719                 udelay(50);
3720                 break;
3721         }
3722         default:
3723                 return -EINVAL;
3724         }
3725         return 0;
3726 }
3727
3728 static int
3729 bnx2_acquire_nvram_lock(struct bnx2 *bp)
3730 {
3731         u32 val;
3732         int j;
3733
3734         /* Request access to the flash interface. */
3735         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3736         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3737                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3738                 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3739                         break;
3740
3741                 udelay(5);
3742         }
3743
3744         if (j >= NVRAM_TIMEOUT_COUNT)
3745                 return -EBUSY;
3746
3747         return 0;
3748 }
3749
3750 static int
3751 bnx2_release_nvram_lock(struct bnx2 *bp)
3752 {
3753         int j;
3754         u32 val;
3755
3756         /* Relinquish nvram interface. */
3757         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3758
3759         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3760                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3761                 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3762                         break;
3763
3764                 udelay(5);
3765         }
3766
3767         if (j >= NVRAM_TIMEOUT_COUNT)
3768                 return -EBUSY;
3769
3770         return 0;
3771 }
3772
3773
3774 static int
3775 bnx2_enable_nvram_write(struct bnx2 *bp)
3776 {
3777         u32 val;
3778
3779         val = REG_RD(bp, BNX2_MISC_CFG);
3780         REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3781
3782         if (bp->flash_info->flags & BNX2_NV_WREN) {
3783                 int j;
3784
3785                 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3786                 REG_WR(bp, BNX2_NVM_COMMAND,
3787                        BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3788
3789                 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3790                         udelay(5);
3791
3792                         val = REG_RD(bp, BNX2_NVM_COMMAND);
3793                         if (val & BNX2_NVM_COMMAND_DONE)
3794                                 break;
3795                 }
3796
3797                 if (j >= NVRAM_TIMEOUT_COUNT)
3798                         return -EBUSY;
3799         }
3800         return 0;
3801 }
3802
3803 static void
3804 bnx2_disable_nvram_write(struct bnx2 *bp)
3805 {
3806         u32 val;
3807
3808         val = REG_RD(bp, BNX2_MISC_CFG);
3809         REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3810 }
3811
3812
3813 static void
3814 bnx2_enable_nvram_access(struct bnx2 *bp)
3815 {
3816         u32 val;
3817
3818         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3819         /* Enable both bits, even on read. */
3820         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3821                val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3822 }
3823
3824 static void
3825 bnx2_disable_nvram_access(struct bnx2 *bp)
3826 {
3827         u32 val;
3828
3829         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3830         /* Disable both bits, even after read. */
3831         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3832                 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3833                         BNX2_NVM_ACCESS_ENABLE_WR_EN));
3834 }
3835
3836 static int
3837 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3838 {
3839         u32 cmd;
3840         int j;
3841
3842         if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3843                 /* Buffered flash, no erase needed */
3844                 return 0;
3845
3846         /* Build an erase command */
3847         cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3848               BNX2_NVM_COMMAND_DOIT;
3849
3850         /* Need to clear DONE bit separately. */
3851         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3852
3853         /* Address of the NVRAM to read from. */
3854         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3855
3856         /* Issue an erase command. */
3857         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3858
3859         /* Wait for completion. */
3860         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3861                 u32 val;
3862
3863                 udelay(5);
3864
3865                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3866                 if (val & BNX2_NVM_COMMAND_DONE)
3867                         break;
3868         }
3869
3870         if (j >= NVRAM_TIMEOUT_COUNT)
3871                 return -EBUSY;
3872
3873         return 0;
3874 }
3875
3876 static int
3877 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3878 {
3879         u32 cmd;
3880         int j;
3881
3882         /* Build the command word. */
3883         cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3884
3885         /* Calculate an offset of a buffered flash, not needed for 5709. */
3886         if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3887                 offset = ((offset / bp->flash_info->page_size) <<
3888                            bp->flash_info->page_bits) +
3889                           (offset % bp->flash_info->page_size);
3890         }
3891
3892         /* Need to clear DONE bit separately. */
3893         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3894
3895         /* Address of the NVRAM to read from. */
3896         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3897
3898         /* Issue a read command. */
3899         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3900
3901         /* Wait for completion. */
3902         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3903                 u32 val;
3904
3905                 udelay(5);
3906
3907                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3908                 if (val & BNX2_NVM_COMMAND_DONE) {
3909                         __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3910                         memcpy(ret_val, &v, 4);
3911                         break;
3912                 }
3913         }
3914         if (j >= NVRAM_TIMEOUT_COUNT)
3915                 return -EBUSY;
3916
3917         return 0;
3918 }
3919
3920
3921 static int
3922 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3923 {
3924         u32 cmd;
3925         __be32 val32;
3926         int j;
3927
3928         /* Build the command word. */
3929         cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3930
3931         /* Calculate an offset of a buffered flash, not needed for 5709. */
3932         if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3933                 offset = ((offset / bp->flash_info->page_size) <<
3934                           bp->flash_info->page_bits) +
3935                          (offset % bp->flash_info->page_size);
3936         }
3937
3938         /* Need to clear DONE bit separately. */
3939         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3940
3941         memcpy(&val32, val, 4);
3942
3943         /* Write the data. */
3944         REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3945
3946         /* Address of the NVRAM to write to. */
3947         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3948
3949         /* Issue the write command. */
3950         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3951
3952         /* Wait for completion. */
3953         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3954                 udelay(5);
3955
3956                 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3957                         break;
3958         }
3959         if (j >= NVRAM_TIMEOUT_COUNT)
3960                 return -EBUSY;
3961
3962         return 0;
3963 }
3964
3965 static int
3966 bnx2_init_nvram(struct bnx2 *bp)
3967 {
3968         u32 val;
3969         int j, entry_count, rc = 0;
3970         struct flash_spec *flash;
3971
3972         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3973                 bp->flash_info = &flash_5709;
3974                 goto get_flash_size;
3975         }
3976
3977         /* Determine the selected interface. */
3978         val = REG_RD(bp, BNX2_NVM_CFG1);
3979
3980         entry_count = ARRAY_SIZE(flash_table);
3981
3982         if (val & 0x40000000) {
3983
3984                 /* Flash interface has been reconfigured */
3985                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3986                      j++, flash++) {
3987                         if ((val & FLASH_BACKUP_STRAP_MASK) ==
3988                             (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3989                                 bp->flash_info = flash;
3990                                 break;
3991                         }
3992                 }
3993         }
3994         else {
3995                 u32 mask;
3996                 /* Not yet been reconfigured */
3997
3998                 if (val & (1 << 23))
3999                         mask = FLASH_BACKUP_STRAP_MASK;
4000                 else
4001                         mask = FLASH_STRAP_MASK;
4002
4003                 for (j = 0, flash = &flash_table[0]; j < entry_count;
4004                         j++, flash++) {
4005
4006                         if ((val & mask) == (flash->strapping & mask)) {
4007                                 bp->flash_info = flash;
4008
4009                                 /* Request access to the flash interface. */
4010                                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4011                                         return rc;
4012
4013                                 /* Enable access to flash interface */
4014                                 bnx2_enable_nvram_access(bp);
4015
4016                                 /* Reconfigure the flash interface */
4017                                 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
4018                                 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
4019                                 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
4020                                 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
4021
4022                                 /* Disable access to flash interface */
4023                                 bnx2_disable_nvram_access(bp);
4024                                 bnx2_release_nvram_lock(bp);
4025
4026                                 break;
4027                         }
4028                 }
4029         } /* if (val & 0x40000000) */
4030
4031         if (j == entry_count) {
4032                 bp->flash_info = NULL;
4033                 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
4034                 return -ENODEV;
4035         }
4036
4037 get_flash_size:
4038         val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
4039         val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4040         if (val)
4041                 bp->flash_size = val;
4042         else
4043                 bp->flash_size = bp->flash_info->total_size;
4044
4045         return rc;
4046 }
4047
4048 static int
4049 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4050                 int buf_size)
4051 {
4052         int rc = 0;
4053         u32 cmd_flags, offset32, len32, extra;
4054
4055         if (buf_size == 0)
4056                 return 0;
4057
4058         /* Request access to the flash interface. */
4059         if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4060                 return rc;
4061
4062         /* Enable access to flash interface */
4063         bnx2_enable_nvram_access(bp);
4064
4065         len32 = buf_size;
4066         offset32 = offset;
4067         extra = 0;
4068
4069         cmd_flags = 0;
4070
4071         if (offset32 & 3) {
4072                 u8 buf[4];
4073                 u32 pre_len;
4074
4075                 offset32 &= ~3;
4076                 pre_len = 4 - (offset & 3);
4077
4078                 if (pre_len >= len32) {
4079                         pre_len = len32;
4080                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
4081                                     BNX2_NVM_COMMAND_LAST;
4082                 }
4083                 else {
4084                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
4085                 }
4086
4087                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4088
4089                 if (rc)
4090                         return rc;
4091
4092                 memcpy(ret_buf, buf + (offset & 3), pre_len);
4093
4094                 offset32 += 4;
4095                 ret_buf += pre_len;
4096                 len32 -= pre_len;
4097         }
4098         if (len32 & 3) {
4099                 extra = 4 - (len32 & 3);
4100                 len32 = (len32 + 4) & ~3;
4101         }
4102
4103         if (len32 == 4) {
4104                 u8 buf[4];
4105
4106                 if (cmd_flags)
4107                         cmd_flags = BNX2_NVM_COMMAND_LAST;
4108                 else
4109                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
4110                                     BNX2_NVM_COMMAND_LAST;
4111
4112                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4113
4114                 memcpy(ret_buf, buf, 4 - extra);
4115         }
4116         else if (len32 > 0) {
4117                 u8 buf[4];
4118
4119                 /* Read the first word. */
4120                 if (cmd_flags)
4121                         cmd_flags = 0;
4122                 else
4123                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
4124
4125                 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4126
4127                 /* Advance to the next dword. */
4128                 offset32 += 4;
4129                 ret_buf += 4;
4130                 len32 -= 4;
4131
4132                 while (len32 > 4 && rc == 0) {
4133                         rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4134
4135                         /* Advance to the next dword. */
4136                         offset32 += 4;
4137                         ret_buf += 4;
4138                         len32 -= 4;
4139                 }
4140
4141                 if (rc)
4142                         return rc;
4143
4144                 cmd_flags = BNX2_NVM_COMMAND_LAST;
4145                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4146
4147                 memcpy(ret_buf, buf, 4 - extra);
4148         }
4149
4150         /* Disable access to flash interface */
4151         bnx2_disable_nvram_access(bp);
4152
4153         bnx2_release_nvram_lock(bp);
4154
4155         return rc;
4156 }
4157
4158 static int
4159 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4160                 int buf_size)
4161 {
4162         u32 written, offset32, len32;
4163         u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4164         int rc = 0;
4165         int align_start, align_end;
4166
4167         buf = data_buf;
4168         offset32 = offset;
4169         len32 = buf_size;
4170         align_start = align_end = 0;
4171
4172         if ((align_start = (offset32 & 3))) {
4173                 offset32 &= ~3;
4174                 len32 += align_start;
4175                 if (len32 < 4)
4176                         len32 = 4;
4177                 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4178                         return rc;
4179         }
4180
4181         if (len32 & 3) {
4182                 align_end = 4 - (len32 & 3);
4183                 len32 += align_end;
4184                 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4185                         return rc;
4186         }
4187
4188         if (align_start || align_end) {
4189                 align_buf = kmalloc(len32, GFP_KERNEL);
4190                 if (align_buf == NULL)
4191                         return -ENOMEM;
4192                 if (align_start) {
4193                         memcpy(align_buf, start, 4);
4194                 }
4195                 if (align_end) {
4196                         memcpy(align_buf + len32 - 4, end, 4);
4197                 }
4198                 memcpy(align_buf + align_start, data_buf, buf_size);
4199                 buf = align_buf;
4200         }
4201
4202         if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4203                 flash_buffer = kmalloc(264, GFP_KERNEL);
4204                 if (flash_buffer == NULL) {
4205                         rc = -ENOMEM;
4206                         goto nvram_write_end;
4207                 }
4208         }
4209
4210         written = 0;
4211         while ((written < len32) && (rc == 0)) {
4212                 u32 page_start, page_end, data_start, data_end;
4213                 u32 addr, cmd_flags;
4214                 int i;
4215
4216                 /* Find the page_start addr */
4217                 page_start = offset32 + written;
4218                 page_start -= (page_start % bp->flash_info->page_size);
4219                 /* Find the page_end addr */
4220                 page_end = page_start + bp->flash_info->page_size;
4221                 /* Find the data_start addr */
4222                 data_start = (written == 0) ? offset32 : page_start;
4223                 /* Find the data_end addr */
4224                 data_end = (page_end > offset32 + len32) ?
4225                         (offset32 + len32) : page_end;
4226
4227                 /* Request access to the flash interface. */
4228                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4229                         goto nvram_write_end;
4230
4231                 /* Enable access to flash interface */
4232                 bnx2_enable_nvram_access(bp);
4233
4234                 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4235                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4236                         int j;
4237
4238                         /* Read the whole page into the buffer
4239                          * (non-buffer flash only) */
4240                         for (j = 0; j < bp->flash_info->page_size; j += 4) {
4241                                 if (j == (bp->flash_info->page_size - 4)) {
4242                                         cmd_flags |= BNX2_NVM_COMMAND_LAST;
4243                                 }
4244                                 rc = bnx2_nvram_read_dword(bp,
4245                                         page_start + j,
4246                                         &flash_buffer[j],
4247                                         cmd_flags);
4248
4249                                 if (rc)
4250                                         goto nvram_write_end;
4251
4252                                 cmd_flags = 0;
4253                         }
4254                 }
4255
4256                 /* Enable writes to flash interface (unlock write-protect) */
4257                 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4258                         goto nvram_write_end;
4259
4260                 /* Loop to write back the buffer data from page_start to
4261                  * data_start */
4262                 i = 0;
4263                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4264                         /* Erase the page */
4265                         if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4266                                 goto nvram_write_end;
4267
4268                         /* Re-enable the write again for the actual write */
4269                         bnx2_enable_nvram_write(bp);
4270
4271                         for (addr = page_start; addr < data_start;
4272                                 addr += 4, i += 4) {
4273
4274                                 rc = bnx2_nvram_write_dword(bp, addr,
4275                                         &flash_buffer[i], cmd_flags);
4276
4277                                 if (rc != 0)
4278                                         goto nvram_write_end;
4279
4280                                 cmd_flags = 0;
4281                         }
4282                 }
4283
4284                 /* Loop to write the new data from data_start to data_end */
4285                 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4286                         if ((addr == page_end - 4) ||
4287                                 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4288                                  (addr == data_end - 4))) {
4289
4290                                 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4291                         }
4292                         rc = bnx2_nvram_write_dword(bp, addr, buf,
4293                                 cmd_flags);
4294
4295                         if (rc != 0)
4296                                 goto nvram_write_end;
4297
4298                         cmd_flags = 0;
4299                         buf += 4;
4300                 }
4301
4302                 /* Loop to write back the buffer data from data_end
4303                  * to page_end */
4304                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4305                         for (addr = data_end; addr < page_end;
4306                                 addr += 4, i += 4) {
4307
4308                                 if (addr == page_end-4) {
4309                                         cmd_flags = BNX2_NVM_COMMAND_LAST;
4310                                 }
4311                                 rc = bnx2_nvram_write_dword(bp, addr,
4312                                         &flash_buffer[i], cmd_flags);
4313
4314                                 if (rc != 0)
4315                                         goto nvram_write_end;
4316
4317                                 cmd_flags = 0;
4318                         }
4319                 }
4320
4321                 /* Disable writes to flash interface (lock write-protect) */
4322                 bnx2_disable_nvram_write(bp);
4323
4324                 /* Disable access to flash interface */
4325                 bnx2_disable_nvram_access(bp);
4326                 bnx2_release_nvram_lock(bp);
4327
4328                 /* Increment written */
4329                 written += data_end - data_start;
4330         }
4331
4332 nvram_write_end:
4333         kfree(flash_buffer);
4334         kfree(align_buf);
4335         return rc;
4336 }
4337
4338 static void
4339 bnx2_init_fw_cap(struct bnx2 *bp)
4340 {
4341         u32 val, sig = 0;
4342
4343         bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4344         bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4345
4346         if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4347                 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4348
4349         val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4350         if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4351                 return;
4352
4353         if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4354                 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4355                 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4356         }
4357
4358         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4359             (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4360                 u32 link;
4361
4362                 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4363
4364                 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4365                 if (link & BNX2_LINK_STATUS_SERDES_LINK)
4366                         bp->phy_port = PORT_FIBRE;
4367                 else
4368                         bp->phy_port = PORT_TP;
4369
4370                 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4371                        BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4372         }
4373
4374         if (netif_running(bp->dev) && sig)
4375                 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4376 }
4377
4378 static void
4379 bnx2_setup_msix_tbl(struct bnx2 *bp)
4380 {
4381         REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4382
4383         REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4384         REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4385 }
4386
4387 static int
4388 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4389 {
4390         u32 val;
4391         int i, rc = 0;
4392         u8 old_port;
4393
4394         /* Wait for the current PCI transaction to complete before
4395          * issuing a reset. */
4396         REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4397                BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4398                BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4399                BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4400                BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4401         val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4402         udelay(5);
4403
4404         /* Wait for the firmware to tell us it is ok to issue a reset. */
4405         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
4406
4407         /* Deposit a driver reset signature so the firmware knows that
4408          * this is a soft reset. */
4409         bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4410                       BNX2_DRV_RESET_SIGNATURE_MAGIC);
4411
4412         /* Do a dummy read to force the chip to complete all current transaction
4413          * before we issue a reset. */
4414         val = REG_RD(bp, BNX2_MISC_ID);
4415
4416         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4417                 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4418                 REG_RD(bp, BNX2_MISC_COMMAND);
4419                 udelay(5);
4420
4421                 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4422                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4423
4424                 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4425
4426         } else {
4427                 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4428                       BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4429                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4430
4431                 /* Chip reset. */
4432                 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4433
4434                 /* Reading back any register after chip reset will hang the
4435                  * bus on 5706 A0 and A1.  The msleep below provides plenty
4436                  * of margin for write posting.
4437                  */
4438                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4439                     (CHIP_ID(bp) == CHIP_ID_5706_A1))
4440                         msleep(20);
4441
4442                 /* Reset takes approximate 30 usec */
4443                 for (i = 0; i < 10; i++) {
4444                         val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4445                         if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4446                                     BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4447                                 break;
4448                         udelay(10);
4449                 }
4450
4451                 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4452                            BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4453                         printk(KERN_ERR PFX "Chip reset did not complete\n");
4454                         return -EBUSY;
4455                 }
4456         }
4457
4458         /* Make sure byte swapping is properly configured. */
4459         val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4460         if (val != 0x01020304) {
4461                 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4462                 return -ENODEV;
4463         }
4464
4465         /* Wait for the firmware to finish its initialization. */
4466         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
4467         if (rc)
4468                 return rc;
4469
4470         spin_lock_bh(&bp->phy_lock);
4471         old_port = bp->phy_port;
4472         bnx2_init_fw_cap(bp);
4473         if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4474             old_port != bp->phy_port)
4475                 bnx2_set_default_remote_link(bp);
4476         spin_unlock_bh(&bp->phy_lock);
4477
4478         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4479                 /* Adjust the voltage regular to two steps lower.  The default
4480                  * of this register is 0x0000000e. */
4481                 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4482
4483                 /* Remove bad rbuf memory from the free pool. */
4484                 rc = bnx2_alloc_bad_rbuf(bp);
4485         }
4486
4487         if (bp->flags & BNX2_FLAG_USING_MSIX)
4488                 bnx2_setup_msix_tbl(bp);
4489
4490         return rc;
4491 }
4492
4493 static int
4494 bnx2_init_chip(struct bnx2 *bp)
4495 {
4496         u32 val;
4497         int rc, i;
4498
4499         /* Make sure the interrupt is not active. */
4500         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4501
4502         val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4503               BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4504 #ifdef __BIG_ENDIAN
4505               BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4506 #endif
4507               BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4508               DMA_READ_CHANS << 12 |
4509               DMA_WRITE_CHANS << 16;
4510
4511         val |= (0x2 << 20) | (1 << 11);
4512
4513         if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4514                 val |= (1 << 23);
4515
4516         if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4517             (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4518                 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4519
4520         REG_WR(bp, BNX2_DMA_CONFIG, val);
4521
4522         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4523                 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4524                 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4525                 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4526         }
4527
4528         if (bp->flags & BNX2_FLAG_PCIX) {
4529                 u16 val16;
4530
4531                 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4532                                      &val16);
4533                 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4534                                       val16 & ~PCI_X_CMD_ERO);
4535         }
4536
4537         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4538                BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4539                BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4540                BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4541
4542         /* Initialize context mapping and zero out the quick contexts.  The
4543          * context block must have already been enabled. */
4544         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4545                 rc = bnx2_init_5709_context(bp);
4546                 if (rc)
4547                         return rc;
4548         } else
4549                 bnx2_init_context(bp);
4550
4551         if ((rc = bnx2_init_cpus(bp)) != 0)
4552                 return rc;
4553
4554         bnx2_init_nvram(bp);
4555
4556         bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
4557
4558         val = REG_RD(bp, BNX2_MQ_CONFIG);
4559         val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4560         val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4561         if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4562                 val |= BNX2_MQ_CONFIG_HALT_DIS;
4563
4564         REG_WR(bp, BNX2_MQ_CONFIG, val);
4565
4566         val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4567         REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4568         REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4569
4570         val = (BCM_PAGE_BITS - 8) << 24;
4571         REG_WR(bp, BNX2_RV2P_CONFIG, val);
4572
4573         /* Configure page size. */
4574         val = REG_RD(bp, BNX2_TBDR_CONFIG);
4575         val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4576         val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4577         REG_WR(bp, BNX2_TBDR_CONFIG, val);
4578
4579         val = bp->mac_addr[0] +
4580               (bp->mac_addr[1] << 8) +
4581               (bp->mac_addr[2] << 16) +
4582               bp->mac_addr[3] +
4583               (bp->mac_addr[4] << 8) +
4584               (bp->mac_addr[5] << 16);
4585         REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4586
4587         /* Program the MTU.  Also include 4 bytes for CRC32. */
4588         val = bp->dev->mtu + ETH_HLEN + 4;
4589         if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4590                 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4591         REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4592
4593         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4594                 bp->bnx2_napi[i].last_status_idx = 0;
4595
4596         bp->idle_chk_status_idx = 0xffff;
4597
4598         bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4599
4600         /* Set up how to generate a link change interrupt. */
4601         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4602
4603         REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4604                (u64) bp->status_blk_mapping & 0xffffffff);
4605         REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4606
4607         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4608                (u64) bp->stats_blk_mapping & 0xffffffff);
4609         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4610                (u64) bp->stats_blk_mapping >> 32);
4611
4612         REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4613                (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4614
4615         REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4616                (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4617
4618         REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4619                (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4620
4621         REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4622
4623         REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4624
4625         REG_WR(bp, BNX2_HC_COM_TICKS,
4626                (bp->com_ticks_int << 16) | bp->com_ticks);
4627
4628         REG_WR(bp, BNX2_HC_CMD_TICKS,
4629                (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4630
4631         if (CHIP_NUM(bp) == CHIP_NUM_5708)
4632                 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4633         else
4634                 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4635         REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */
4636
4637         if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4638                 val = BNX2_HC_CONFIG_COLLECT_STATS;
4639         else {
4640                 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4641                       BNX2_HC_CONFIG_COLLECT_STATS;
4642         }
4643
4644         if (bp->irq_nvecs > 1) {
4645                 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4646                        BNX2_HC_MSIX_BIT_VECTOR_VAL);
4647
4648                 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4649         }
4650
4651         if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4652                 val |= BNX2_HC_CONFIG_ONE_SHOT;
4653
4654         REG_WR(bp, BNX2_HC_CONFIG, val);
4655
4656         for (i = 1; i < bp->irq_nvecs; i++) {
4657                 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4658                            BNX2_HC_SB_CONFIG_1;
4659
4660                 REG_WR(bp, base,
4661                         BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4662                         BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
4663                         BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4664
4665                 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4666                         (bp->tx_quick_cons_trip_int << 16) |
4667                          bp->tx_quick_cons_trip);
4668
4669                 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4670                         (bp->tx_ticks_int << 16) | bp->tx_ticks);
4671
4672                 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4673                        (bp->rx_quick_cons_trip_int << 16) |
4674                         bp->rx_quick_cons_trip);
4675
4676                 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4677                         (bp->rx_ticks_int << 16) | bp->rx_ticks);
4678         }
4679
4680         /* Clear internal stats counters. */
4681         REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4682
4683         REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4684
4685         /* Initialize the receive filter. */
4686         bnx2_set_rx_mode(bp->dev);
4687
4688         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4689                 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4690                 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4691                 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4692         }
4693         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4694                           1, 0);
4695
4696         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4697         REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4698
4699         udelay(20);
4700
4701         bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4702
4703         return rc;
4704 }
4705
4706 static void
4707 bnx2_clear_ring_states(struct bnx2 *bp)
4708 {
4709         struct bnx2_napi *bnapi;
4710         struct bnx2_tx_ring_info *txr;
4711         struct bnx2_rx_ring_info *rxr;
4712         int i;
4713
4714         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4715                 bnapi = &bp->bnx2_napi[i];
4716                 txr = &bnapi->tx_ring;
4717                 rxr = &bnapi->rx_ring;
4718
4719                 txr->tx_cons = 0;
4720                 txr->hw_tx_cons = 0;
4721                 rxr->rx_prod_bseq = 0;
4722                 rxr->rx_prod = 0;
4723                 rxr->rx_cons = 0;
4724                 rxr->rx_pg_prod = 0;
4725                 rxr->rx_pg_cons = 0;
4726         }
4727 }
4728
4729 static void
4730 bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
4731 {
4732         u32 val, offset0, offset1, offset2, offset3;
4733         u32 cid_addr = GET_CID_ADDR(cid);
4734
4735         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4736                 offset0 = BNX2_L2CTX_TYPE_XI;
4737                 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4738                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4739                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4740         } else {
4741                 offset0 = BNX2_L2CTX_TYPE;
4742                 offset1 = BNX2_L2CTX_CMD_TYPE;
4743                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4744                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4745         }
4746         val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
4747         bnx2_ctx_wr(bp, cid_addr, offset0, val);
4748
4749         val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
4750         bnx2_ctx_wr(bp, cid_addr, offset1, val);
4751
4752         val = (u64) txr->tx_desc_mapping >> 32;
4753         bnx2_ctx_wr(bp, cid_addr, offset2, val);
4754
4755         val = (u64) txr->tx_desc_mapping & 0xffffffff;
4756         bnx2_ctx_wr(bp, cid_addr, offset3, val);
4757 }
4758
4759 static void
4760 bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
4761 {
4762         struct tx_bd *txbd;
4763         u32 cid = TX_CID;
4764         struct bnx2_napi *bnapi;
4765         struct bnx2_tx_ring_info *txr;
4766
4767         bnapi = &bp->bnx2_napi[ring_num];
4768         txr = &bnapi->tx_ring;
4769
4770         if (ring_num == 0)
4771                 cid = TX_CID;
4772         else
4773                 cid = TX_TSS_CID + ring_num - 1;
4774
4775         bp->tx_wake_thresh = bp->tx_ring_size / 2;
4776
4777         txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
4778
4779         txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
4780         txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
4781
4782         txr->tx_prod = 0;
4783         txr->tx_prod_bseq = 0;
4784
4785         txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4786         txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4787
4788         bnx2_init_tx_context(bp, cid, txr);
4789 }
4790
4791 static void
4792 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4793                      int num_rings)
4794 {
4795         int i;
4796         struct rx_bd *rxbd;
4797
4798         for (i = 0; i < num_rings; i++) {
4799                 int j;
4800
4801                 rxbd = &rx_ring[i][0];
4802                 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4803                         rxbd->rx_bd_len = buf_size;
4804                         rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4805                 }
4806                 if (i == (num_rings - 1))
4807                         j = 0;
4808                 else
4809                         j = i + 1;
4810                 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4811                 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4812         }
4813 }
4814
4815 static void
4816 bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
4817 {
4818         int i;
4819         u16 prod, ring_prod;
4820         u32 cid, rx_cid_addr, val;
4821         struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
4822         struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
4823
4824         if (ring_num == 0)
4825                 cid = RX_CID;
4826         else
4827                 cid = RX_RSS_CID + ring_num - 1;
4828
4829         rx_cid_addr = GET_CID_ADDR(cid);
4830
4831         bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
4832                              bp->rx_buf_use_size, bp->rx_max_ring);
4833
4834         bnx2_init_rx_context(bp, cid);
4835
4836         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4837                 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4838                 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4839         }
4840
4841         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4842         if (bp->rx_pg_ring_size) {
4843                 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
4844                                      rxr->rx_pg_desc_mapping,
4845                                      PAGE_SIZE, bp->rx_max_pg_ring);
4846                 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
4847                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4848                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4849                        BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
4850
4851                 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
4852                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4853
4854                 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
4855                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4856
4857                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4858                         REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4859         }
4860
4861         val = (u64) rxr->rx_desc_mapping[0] >> 32;
4862         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4863
4864         val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
4865         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4866
4867         ring_prod = prod = rxr->rx_pg_prod;
4868         for (i = 0; i < bp->rx_pg_ring_size; i++) {
4869                 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0)
4870                         break;
4871                 prod = NEXT_RX_BD(prod);
4872                 ring_prod = RX_PG_RING_IDX(prod);
4873         }
4874         rxr->rx_pg_prod = prod;
4875
4876         ring_prod = prod = rxr->rx_prod;
4877         for (i = 0; i < bp->rx_ring_size; i++) {
4878                 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0)
4879                         break;
4880                 prod = NEXT_RX_BD(prod);
4881                 ring_prod = RX_RING_IDX(prod);
4882         }
4883         rxr->rx_prod = prod;
4884
4885         rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
4886         rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
4887         rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
4888
4889         REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
4890         REG_WR16(bp, rxr->rx_bidx_addr, prod);
4891
4892         REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
4893 }
4894
4895 static void
4896 bnx2_init_all_rings(struct bnx2 *bp)
4897 {
4898         int i;
4899         u32 val;
4900
4901         bnx2_clear_ring_states(bp);
4902
4903         REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
4904         for (i = 0; i < bp->num_tx_rings; i++)
4905                 bnx2_init_tx_ring(bp, i);
4906
4907         if (bp->num_tx_rings > 1)
4908                 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
4909                        (TX_TSS_CID << 7));
4910
4911         REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
4912         bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
4913
4914         for (i = 0; i < bp->num_rx_rings; i++)
4915                 bnx2_init_rx_ring(bp, i);
4916
4917         if (bp->num_rx_rings > 1) {
4918                 u32 tbl_32;
4919                 u8 *tbl = (u8 *) &tbl_32;
4920
4921                 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
4922                                 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
4923
4924                 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
4925                         tbl[i % 4] = i % (bp->num_rx_rings - 1);
4926                         if ((i % 4) == 3)
4927                                 bnx2_reg_wr_ind(bp,
4928                                                 BNX2_RXP_SCRATCH_RSS_TBL + i,
4929                                                 cpu_to_be32(tbl_32));
4930                 }
4931
4932                 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
4933                       BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
4934
4935                 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
4936
4937         }
4938 }
4939
4940 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4941 {
4942         u32 max, num_rings = 1;
4943
4944         while (ring_size > MAX_RX_DESC_CNT) {
4945                 ring_size -= MAX_RX_DESC_CNT;
4946                 num_rings++;
4947         }
4948         /* round to next power of 2 */
4949         max = max_size;
4950         while ((max & num_rings) == 0)
4951                 max >>= 1;
4952
4953         if (num_rings != max)
4954                 max <<= 1;
4955
4956         return max;
4957 }
4958
4959 static void
4960 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4961 {
4962         u32 rx_size, rx_space, jumbo_size;
4963
4964         /* 8 for CRC and VLAN */
4965         rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
4966
4967         rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4968                 sizeof(struct skb_shared_info);
4969
4970         bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
4971         bp->rx_pg_ring_size = 0;
4972         bp->rx_max_pg_ring = 0;
4973         bp->rx_max_pg_ring_idx = 0;
4974         if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
4975                 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4976
4977                 jumbo_size = size * pages;
4978                 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4979                         jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4980
4981                 bp->rx_pg_ring_size = jumbo_size;
4982                 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4983                                                         MAX_RX_PG_RINGS);
4984                 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4985                 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
4986                 bp->rx_copy_thresh = 0;
4987         }
4988
4989         bp->rx_buf_use_size = rx_size;
4990         /* hw alignment */
4991         bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4992         bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
4993         bp->rx_ring_size = size;
4994         bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4995         bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4996 }
4997
4998 static void
4999 bnx2_free_tx_skbs(struct bnx2 *bp)
5000 {
5001         int i;
5002
5003         for (i = 0; i < bp->num_tx_rings; i++) {
5004                 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5005                 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5006                 int j;
5007
5008                 if (txr->tx_buf_ring == NULL)
5009                         continue;
5010
5011                 for (j = 0; j < TX_DESC_CNT; ) {
5012                         struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
5013                         struct sk_buff *skb = tx_buf->skb;
5014
5015                         if (skb == NULL) {
5016                                 j++;
5017                                 continue;
5018                         }
5019
5020                         skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
5021
5022                         tx_buf->skb = NULL;
5023
5024                         j += skb_shinfo(skb)->nr_frags + 1;
5025                         dev_kfree_skb(skb);
5026                 }
5027         }
5028 }
5029
5030 static void
5031 bnx2_free_rx_skbs(struct bnx2 *bp)
5032 {
5033         int i;
5034
5035         for (i = 0; i < bp->num_rx_rings; i++) {
5036                 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5037                 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5038                 int j;
5039
5040                 if (rxr->rx_buf_ring == NULL)
5041                         return;
5042
5043                 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5044                         struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5045                         struct sk_buff *skb = rx_buf->skb;
5046
5047                         if (skb == NULL)
5048                                 continue;
5049
5050                         pci_unmap_single(bp->pdev,
5051                                          pci_unmap_addr(rx_buf, mapping),
5052                                          bp->rx_buf_use_size,
5053                                          PCI_DMA_FROMDEVICE);
5054
5055                         rx_buf->skb = NULL;
5056
5057                         dev_kfree_skb(skb);
5058                 }
5059                 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5060                         bnx2_free_rx_page(bp, rxr, j);
5061         }
5062 }
5063
5064 static void
5065 bnx2_free_skbs(struct bnx2 *bp)
5066 {
5067         bnx2_free_tx_skbs(bp);
5068         bnx2_free_rx_skbs(bp);
5069 }
5070
5071 static int
5072 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5073 {
5074         int rc;
5075
5076         rc = bnx2_reset_chip(bp, reset_code);
5077         bnx2_free_skbs(bp);
5078         if (rc)
5079                 return rc;
5080
5081         if ((rc = bnx2_init_chip(bp)) != 0)
5082                 return rc;
5083
5084         bnx2_init_all_rings(bp);
5085         return 0;
5086 }
5087
5088 static int
5089 bnx2_init_nic(struct bnx2 *bp, int reset_phy)
5090 {
5091         int rc;
5092
5093         if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5094                 return rc;
5095
5096         spin_lock_bh(&bp->phy_lock);
5097         bnx2_init_phy(bp, reset_phy);
5098         bnx2_set_link(bp);
5099         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5100                 bnx2_remote_phy_event(bp);
5101         spin_unlock_bh(&bp->phy_lock);
5102         return 0;
5103 }
5104
5105 static int
5106 bnx2_shutdown_chip(struct bnx2 *bp)
5107 {
5108         u32 reset_code;
5109
5110         if (bp->flags & BNX2_FLAG_NO_WOL)
5111                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5112         else if (bp->wol)
5113                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5114         else
5115                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5116
5117         return bnx2_reset_chip(bp, reset_code);
5118 }
5119
5120 static int
5121 bnx2_test_registers(struct bnx2 *bp)
5122 {
5123         int ret;
5124         int i, is_5709;
5125         static const struct {
5126                 u16   offset;
5127                 u16   flags;
5128 #define BNX2_FL_NOT_5709        1
5129                 u32   rw_mask;
5130                 u32   ro_mask;
5131         } reg_tbl[] = {
5132                 { 0x006c, 0, 0x00000000, 0x0000003f },
5133                 { 0x0090, 0, 0xffffffff, 0x00000000 },
5134                 { 0x0094, 0, 0x00000000, 0x00000000 },
5135
5136                 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5137                 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5138                 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5139                 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5140                 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5141                 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5142                 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5143                 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5144                 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5145
5146                 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5147                 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5148                 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5149                 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5150                 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5151                 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5152
5153                 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5154                 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5155                 { 0x0c08, BNX2_FL_NOT_5709,  0x0f0ff073, 0x00000000 },
5156
5157                 { 0x1000, 0, 0x00000000, 0x00000001 },
5158                 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
5159
5160                 { 0x1408, 0, 0x01c00800, 0x00000000 },
5161                 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5162                 { 0x14a8, 0, 0x00000000, 0x000001ff },
5163                 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
5164                 { 0x14b0, 0, 0x00000002, 0x00000001 },
5165                 { 0x14b8, 0, 0x00000000, 0x00000000 },
5166                 { 0x14c0, 0, 0x00000000, 0x00000009 },
5167                 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5168                 { 0x14cc, 0, 0x00000000, 0x00000001 },
5169                 { 0x14d0, 0, 0xffffffff, 0x00000000 },
5170
5171                 { 0x1800, 0, 0x00000000, 0x00000001 },
5172                 { 0x1804, 0, 0x00000000, 0x00000003 },
5173
5174                 { 0x2800, 0, 0x00000000, 0x00000001 },
5175                 { 0x2804, 0, 0x00000000, 0x00003f01 },
5176                 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5177                 { 0x2810, 0, 0xffff0000, 0x00000000 },
5178                 { 0x2814, 0, 0xffff0000, 0x00000000 },
5179                 { 0x2818, 0, 0xffff0000, 0x00000000 },
5180                 { 0x281c, 0, 0xffff0000, 0x00000000 },
5181                 { 0x2834, 0, 0xffffffff, 0x00000000 },
5182                 { 0x2840, 0, 0x00000000, 0xffffffff },
5183                 { 0x2844, 0, 0x00000000, 0xffffffff },
5184                 { 0x2848, 0, 0xffffffff, 0x00000000 },
5185                 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5186
5187                 { 0x2c00, 0, 0x00000000, 0x00000011 },
5188                 { 0x2c04, 0, 0x00000000, 0x00030007 },
5189
5190                 { 0x3c00, 0, 0x00000000, 0x00000001 },
5191                 { 0x3c04, 0, 0x00000000, 0x00070000 },
5192                 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5193                 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5194                 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5195                 { 0x3c14, 0, 0x00000000, 0xffffffff },
5196                 { 0x3c18, 0, 0x00000000, 0xffffffff },
5197                 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5198                 { 0x3c20, 0, 0xffffff00, 0x00000000 },
5199
5200                 { 0x5004, 0, 0x00000000, 0x0000007f },
5201                 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
5202
5203                 { 0x5c00, 0, 0x00000000, 0x00000001 },
5204                 { 0x5c04, 0, 0x00000000, 0x0003000f },
5205                 { 0x5c08, 0, 0x00000003, 0x00000000 },
5206                 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5207                 { 0x5c10, 0, 0x00000000, 0xffffffff },
5208                 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5209                 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5210                 { 0x5c88, 0, 0x00000000, 0x00077373 },
5211                 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5212
5213                 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5214                 { 0x680c, 0, 0xffffffff, 0x00000000 },
5215                 { 0x6810, 0, 0xffffffff, 0x00000000 },
5216                 { 0x6814, 0, 0xffffffff, 0x00000000 },
5217                 { 0x6818, 0, 0xffffffff, 0x00000000 },
5218                 { 0x681c, 0, 0xffffffff, 0x00000000 },
5219                 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5220                 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5221                 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5222                 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5223                 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5224                 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5225                 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5226                 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5227                 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5228                 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5229                 { 0x684c, 0, 0xffffffff, 0x00000000 },
5230                 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5231                 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5232                 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5233                 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5234                 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5235                 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5236
5237                 { 0xffff, 0, 0x00000000, 0x00000000 },
5238         };
5239
5240         ret = 0;
5241         is_5709 = 0;
5242         if (CHIP_NUM(bp) == CHIP_NUM_5709)
5243                 is_5709 = 1;
5244
5245         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5246                 u32 offset, rw_mask, ro_mask, save_val, val;
5247                 u16 flags = reg_tbl[i].flags;
5248
5249                 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5250                         continue;
5251
5252                 offset = (u32) reg_tbl[i].offset;
5253                 rw_mask = reg_tbl[i].rw_mask;
5254                 ro_mask = reg_tbl[i].ro_mask;
5255
5256                 save_val = readl(bp->regview + offset);
5257
5258                 writel(0, bp->regview + offset);
5259
5260                 val = readl(bp->regview + offset);
5261                 if ((val & rw_mask) != 0) {
5262                         goto reg_test_err;
5263                 }
5264
5265                 if ((val & ro_mask) != (save_val & ro_mask)) {
5266                         goto reg_test_err;
5267                 }
5268
5269                 writel(0xffffffff, bp->regview + offset);
5270
5271                 val = readl(bp->regview + offset);
5272                 if ((val & rw_mask) != rw_mask) {
5273                         goto reg_test_err;
5274                 }
5275
5276                 if ((val & ro_mask) != (save_val & ro_mask)) {
5277                         goto reg_test_err;
5278                 }
5279
5280                 writel(save_val, bp->regview + offset);
5281                 continue;
5282
5283 reg_test_err:
5284                 writel(save_val, bp->regview + offset);
5285                 ret = -ENODEV;
5286                 break;
5287         }
5288         return ret;
5289 }
5290
5291 static int
5292 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5293 {
5294         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5295                 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5296         int i;
5297
5298         for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5299                 u32 offset;
5300
5301                 for (offset = 0; offset < size; offset += 4) {
5302
5303                         bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5304
5305                         if (bnx2_reg_rd_ind(bp, start + offset) !=
5306                                 test_pattern[i]) {
5307                                 return -ENODEV;
5308                         }
5309                 }
5310         }
5311         return 0;
5312 }
5313
5314 static int
5315 bnx2_test_memory(struct bnx2 *bp)
5316 {
5317         int ret = 0;
5318         int i;
5319         static struct mem_entry {
5320                 u32   offset;
5321                 u32   len;
5322         } mem_tbl_5706[] = {
5323                 { 0x60000,  0x4000 },
5324                 { 0xa0000,  0x3000 },
5325                 { 0xe0000,  0x4000 },
5326                 { 0x120000, 0x4000 },
5327                 { 0x1a0000, 0x4000 },
5328                 { 0x160000, 0x4000 },
5329                 { 0xffffffff, 0    },
5330         },
5331         mem_tbl_5709[] = {
5332                 { 0x60000,  0x4000 },
5333                 { 0xa0000,  0x3000 },
5334                 { 0xe0000,  0x4000 },
5335                 { 0x120000, 0x4000 },
5336                 { 0x1a0000, 0x4000 },
5337                 { 0xffffffff, 0    },
5338         };
5339         struct mem_entry *mem_tbl;
5340
5341         if (CHIP_NUM(bp) == CHIP_NUM_5709)
5342                 mem_tbl = mem_tbl_5709;
5343         else
5344                 mem_tbl = mem_tbl_5706;
5345
5346         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5347                 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5348                         mem_tbl[i].len)) != 0) {
5349                         return ret;
5350                 }
5351         }
5352
5353         return ret;
5354 }
5355
5356 #define BNX2_MAC_LOOPBACK       0
5357 #define BNX2_PHY_LOOPBACK       1
5358
5359 static int
5360 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5361 {
5362         unsigned int pkt_size, num_pkts, i;
5363         struct sk_buff *skb, *rx_skb;
5364         unsigned char *packet;
5365         u16 rx_start_idx, rx_idx;
5366         dma_addr_t map;
5367         struct tx_bd *txbd;
5368         struct sw_bd *rx_buf;
5369         struct l2_fhdr *rx_hdr;
5370         int ret = -ENODEV;
5371         struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5372         struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5373         struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5374
5375         tx_napi = bnapi;
5376
5377         txr = &tx_napi->tx_ring;
5378         rxr = &bnapi->rx_ring;
5379         if (loopback_mode == BNX2_MAC_LOOPBACK) {
5380                 bp->loopback = MAC_LOOPBACK;
5381                 bnx2_set_mac_loopback(bp);
5382         }
5383         else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5384                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5385                         return 0;
5386
5387                 bp->loopback = PHY_LOOPBACK;
5388                 bnx2_set_phy_loopback(bp);
5389         }
5390         else
5391                 return -EINVAL;
5392
5393         pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5394         skb = netdev_alloc_skb(bp->dev, pkt_size);
5395         if (!skb)
5396                 return -ENOMEM;
5397         packet = skb_put(skb, pkt_size);
5398         memcpy(packet, bp->dev->dev_addr, 6);
5399         memset(packet + 6, 0x0, 8);
5400         for (i = 14; i < pkt_size; i++)
5401                 packet[i] = (unsigned char) (i & 0xff);
5402
5403         if (skb_dma_map(&bp->pdev->dev, skb, DMA_TO_DEVICE)) {
5404                 dev_kfree_skb(skb);
5405                 return -EIO;
5406         }
5407         map = skb_shinfo(skb)->dma_maps[0];
5408
5409         REG_WR(bp, BNX2_HC_COMMAND,
5410                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5411
5412         REG_RD(bp, BNX2_HC_COMMAND);
5413
5414         udelay(5);
5415         rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5416
5417         num_pkts = 0;
5418
5419         txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
5420
5421         txbd->tx_bd_haddr_hi = (u64) map >> 32;
5422         txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5423         txbd->tx_bd_mss_nbytes = pkt_size;
5424         txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5425
5426         num_pkts++;
5427         txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5428         txr->tx_prod_bseq += pkt_size;
5429
5430         REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5431         REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
5432
5433         udelay(100);
5434
5435         REG_WR(bp, BNX2_HC_COMMAND,
5436                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5437
5438         REG_RD(bp, BNX2_HC_COMMAND);
5439
5440         udelay(5);
5441
5442         skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
5443         dev_kfree_skb(skb);
5444
5445         if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
5446                 goto loopback_test_done;
5447
5448         rx_idx = bnx2_get_hw_rx_cons(bnapi);
5449         if (rx_idx != rx_start_idx + num_pkts) {
5450                 goto loopback_test_done;
5451         }
5452
5453         rx_buf = &rxr->rx_buf_ring[rx_start_idx];
5454         rx_skb = rx_buf->skb;
5455
5456         rx_hdr = (struct l2_fhdr *) rx_skb->data;
5457         skb_reserve(rx_skb, BNX2_RX_OFFSET);
5458
5459         pci_dma_sync_single_for_cpu(bp->pdev,
5460                 pci_unmap_addr(rx_buf, mapping),
5461                 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5462
5463         if (rx_hdr->l2_fhdr_status &
5464                 (L2_FHDR_ERRORS_BAD_CRC |
5465                 L2_FHDR_ERRORS_PHY_DECODE |
5466                 L2_FHDR_ERRORS_ALIGNMENT |
5467                 L2_FHDR_ERRORS_TOO_SHORT |
5468                 L2_FHDR_ERRORS_GIANT_FRAME)) {
5469
5470                 goto loopback_test_done;
5471         }
5472
5473         if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5474                 goto loopback_test_done;
5475         }
5476
5477         for (i = 14; i < pkt_size; i++) {
5478                 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5479                         goto loopback_test_done;
5480                 }
5481         }
5482
5483         ret = 0;
5484
5485 loopback_test_done:
5486         bp->loopback = 0;
5487         return ret;
5488 }
5489
5490 #define BNX2_MAC_LOOPBACK_FAILED        1
5491 #define BNX2_PHY_LOOPBACK_FAILED        2
5492 #define BNX2_LOOPBACK_FAILED            (BNX2_MAC_LOOPBACK_FAILED |     \
5493                                          BNX2_PHY_LOOPBACK_FAILED)
5494
5495 static int
5496 bnx2_test_loopback(struct bnx2 *bp)
5497 {
5498         int rc = 0;
5499
5500         if (!netif_running(bp->dev))
5501                 return BNX2_LOOPBACK_FAILED;
5502
5503         bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5504         spin_lock_bh(&bp->phy_lock);
5505         bnx2_init_phy(bp, 1);
5506         spin_unlock_bh(&bp->phy_lock);
5507         if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5508                 rc |= BNX2_MAC_LOOPBACK_FAILED;
5509         if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5510                 rc |= BNX2_PHY_LOOPBACK_FAILED;
5511         return rc;
5512 }
5513
5514 #define NVRAM_SIZE 0x200
5515 #define CRC32_RESIDUAL 0xdebb20e3
5516
5517 static int
5518 bnx2_test_nvram(struct bnx2 *bp)
5519 {
5520         __be32 buf[NVRAM_SIZE / 4];
5521         u8 *data = (u8 *) buf;
5522         int rc = 0;
5523         u32 magic, csum;
5524
5525         if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5526                 goto test_nvram_done;
5527
5528         magic = be32_to_cpu(buf[0]);
5529         if (magic != 0x669955aa) {
5530                 rc = -ENODEV;
5531                 goto test_nvram_done;
5532         }
5533
5534         if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5535                 goto test_nvram_done;
5536
5537         csum = ether_crc_le(0x100, data);
5538         if (csum != CRC32_RESIDUAL) {
5539                 rc = -ENODEV;
5540                 goto test_nvram_done;
5541         }
5542
5543         csum = ether_crc_le(0x100, data + 0x100);
5544         if (csum != CRC32_RESIDUAL) {
5545                 rc = -ENODEV;
5546         }
5547
5548 test_nvram_done:
5549         return rc;
5550 }
5551
5552 static int
5553 bnx2_test_link(struct bnx2 *bp)
5554 {
5555         u32 bmsr;
5556
5557         if (!netif_running(bp->dev))
5558                 return -ENODEV;
5559
5560         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5561                 if (bp->link_up)
5562                         return 0;
5563                 return -ENODEV;
5564         }
5565         spin_lock_bh(&bp->phy_lock);
5566         bnx2_enable_bmsr1(bp);
5567         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5568         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5569         bnx2_disable_bmsr1(bp);
5570         spin_unlock_bh(&bp->phy_lock);
5571
5572         if (bmsr & BMSR_LSTATUS) {
5573                 return 0;
5574         }
5575         return -ENODEV;
5576 }
5577
5578 static int
5579 bnx2_test_intr(struct bnx2 *bp)
5580 {
5581         int i;
5582         u16 status_idx;
5583
5584         if (!netif_running(bp->dev))
5585                 return -ENODEV;
5586
5587         status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5588
5589         /* This register is not touched during run-time. */
5590         REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5591         REG_RD(bp, BNX2_HC_COMMAND);
5592
5593         for (i = 0; i < 10; i++) {
5594                 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5595                         status_idx) {
5596
5597                         break;
5598                 }
5599
5600                 msleep_interruptible(10);
5601         }
5602         if (i < 10)
5603                 return 0;
5604
5605         return -ENODEV;
5606 }
5607
5608 /* Determining link for parallel detection. */
5609 static int
5610 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5611 {
5612         u32 mode_ctl, an_dbg, exp;
5613
5614         if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5615                 return 0;
5616
5617         bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5618         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5619
5620         if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5621                 return 0;
5622
5623         bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5624         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5625         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5626
5627         if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5628                 return 0;
5629
5630         bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5631         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5632         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5633
5634         if (exp & MII_EXPAND_REG1_RUDI_C)       /* receiving CONFIG */
5635                 return 0;
5636
5637         return 1;
5638 }
5639
5640 static void
5641 bnx2_5706_serdes_timer(struct bnx2 *bp)
5642 {
5643         int check_link = 1;
5644
5645         spin_lock(&bp->phy_lock);
5646         if (bp->serdes_an_pending) {
5647                 bp->serdes_an_pending--;
5648                 check_link = 0;
5649         } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5650                 u32 bmcr;
5651
5652                 bp->current_interval = BNX2_TIMER_INTERVAL;
5653
5654                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5655
5656                 if (bmcr & BMCR_ANENABLE) {
5657                         if (bnx2_5706_serdes_has_link(bp)) {
5658                                 bmcr &= ~BMCR_ANENABLE;
5659                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5660                                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5661                                 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5662                         }
5663                 }
5664         }
5665         else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5666                  (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5667                 u32 phy2;
5668
5669                 bnx2_write_phy(bp, 0x17, 0x0f01);
5670                 bnx2_read_phy(bp, 0x15, &phy2);
5671                 if (phy2 & 0x20) {
5672                         u32 bmcr;
5673
5674                         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5675                         bmcr |= BMCR_ANENABLE;
5676                         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5677
5678                         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5679                 }
5680         } else
5681                 bp->current_interval = BNX2_TIMER_INTERVAL;
5682
5683         if (check_link) {
5684                 u32 val;
5685
5686                 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5687                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5688                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5689
5690                 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5691                         if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5692                                 bnx2_5706s_force_link_dn(bp, 1);
5693                                 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5694                         } else
5695                                 bnx2_set_link(bp);
5696                 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5697                         bnx2_set_link(bp);
5698         }
5699         spin_unlock(&bp->phy_lock);
5700 }
5701
5702 static void
5703 bnx2_5708_serdes_timer(struct bnx2 *bp)
5704 {
5705         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5706                 return;
5707
5708         if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5709                 bp->serdes_an_pending = 0;
5710                 return;
5711         }
5712
5713         spin_lock(&bp->phy_lock);
5714         if (bp->serdes_an_pending)
5715                 bp->serdes_an_pending--;
5716         else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5717                 u32 bmcr;
5718
5719                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5720                 if (bmcr & BMCR_ANENABLE) {
5721                         bnx2_enable_forced_2g5(bp);
5722                         bp->current_interval = SERDES_FORCED_TIMEOUT;
5723                 } else {
5724                         bnx2_disable_forced_2g5(bp);
5725                         bp->serdes_an_pending = 2;
5726                         bp->current_interval = BNX2_TIMER_INTERVAL;
5727                 }
5728
5729         } else
5730                 bp->current_interval = BNX2_TIMER_INTERVAL;
5731
5732         spin_unlock(&bp->phy_lock);
5733 }
5734
5735 static void
5736 bnx2_timer(unsigned long data)
5737 {
5738         struct bnx2 *bp = (struct bnx2 *) data;
5739
5740         if (!netif_running(bp->dev))
5741                 return;
5742
5743         if (atomic_read(&bp->intr_sem) != 0)
5744                 goto bnx2_restart_timer;
5745
5746         if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
5747              BNX2_FLAG_USING_MSI)
5748                 bnx2_chk_missed_msi(bp);
5749
5750         bnx2_send_heart_beat(bp);
5751
5752         bp->stats_blk->stat_FwRxDrop =
5753                 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5754
5755         /* workaround occasional corrupted counters */
5756         if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5757                 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5758                                             BNX2_HC_COMMAND_STATS_NOW);
5759
5760         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5761                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5762                         bnx2_5706_serdes_timer(bp);
5763                 else
5764                         bnx2_5708_serdes_timer(bp);
5765         }
5766
5767 bnx2_restart_timer:
5768         mod_timer(&bp->timer, jiffies + bp->current_interval);
5769 }
5770
5771 static int
5772 bnx2_request_irq(struct bnx2 *bp)
5773 {
5774         unsigned long flags;
5775         struct bnx2_irq *irq;
5776         int rc = 0, i;
5777
5778         if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5779                 flags = 0;
5780         else
5781                 flags = IRQF_SHARED;
5782
5783         for (i = 0; i < bp->irq_nvecs; i++) {
5784                 irq = &bp->irq_tbl[i];
5785                 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5786                                  &bp->bnx2_napi[i]);
5787                 if (rc)
5788                         break;
5789                 irq->requested = 1;
5790         }
5791         return rc;
5792 }
5793
5794 static void
5795 bnx2_free_irq(struct bnx2 *bp)
5796 {
5797         struct bnx2_irq *irq;
5798         int i;
5799
5800         for (i = 0; i < bp->irq_nvecs; i++) {
5801                 irq = &bp->irq_tbl[i];
5802                 if (irq->requested)
5803                         free_irq(irq->vector, &bp->bnx2_napi[i]);
5804                 irq->requested = 0;
5805         }
5806         if (bp->flags & BNX2_FLAG_USING_MSI)
5807                 pci_disable_msi(bp->pdev);
5808         else if (bp->flags & BNX2_FLAG_USING_MSIX)
5809                 pci_disable_msix(bp->pdev);
5810
5811         bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5812 }
5813
5814 static void
5815 bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
5816 {
5817         int i, rc;
5818         struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5819
5820         bnx2_setup_msix_tbl(bp);
5821         REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5822         REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5823         REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
5824
5825         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5826                 msix_ent[i].entry = i;
5827                 msix_ent[i].vector = 0;
5828
5829                 strcpy(bp->irq_tbl[i].name, bp->dev->name);
5830                 bp->irq_tbl[i].handler = bnx2_msi_1shot;
5831         }
5832
5833         rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5834         if (rc != 0)
5835                 return;
5836
5837         bp->irq_nvecs = msix_vecs;
5838         bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
5839         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5840                 bp->irq_tbl[i].vector = msix_ent[i].vector;
5841 }
5842
5843 static void
5844 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5845 {
5846         int cpus = num_online_cpus();
5847         int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
5848
5849         bp->irq_tbl[0].handler = bnx2_interrupt;
5850         strcpy(bp->irq_tbl[0].name, bp->dev->name);
5851         bp->irq_nvecs = 1;
5852         bp->irq_tbl[0].vector = bp->pdev->irq;
5853
5854         if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
5855                 bnx2_enable_msix(bp, msix_vecs);
5856
5857         if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5858             !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5859                 if (pci_enable_msi(bp->pdev) == 0) {
5860                         bp->flags |= BNX2_FLAG_USING_MSI;
5861                         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5862                                 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5863                                 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5864                         } else
5865                                 bp->irq_tbl[0].handler = bnx2_msi;
5866
5867                         bp->irq_tbl[0].vector = bp->pdev->irq;
5868                 }
5869         }
5870
5871         bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
5872         bp->dev->real_num_tx_queues = bp->num_tx_rings;
5873
5874         bp->num_rx_rings = bp->irq_nvecs;
5875 }
5876
5877 /* Called with rtnl_lock */
5878 static int
5879 bnx2_open(struct net_device *dev)
5880 {
5881         struct bnx2 *bp = netdev_priv(dev);
5882         int rc;
5883
5884         netif_carrier_off(dev);
5885
5886         bnx2_set_power_state(bp, PCI_D0);
5887         bnx2_disable_int(bp);
5888
5889         bnx2_setup_int_mode(bp, disable_msi);
5890         bnx2_napi_enable(bp);
5891         rc = bnx2_alloc_mem(bp);
5892         if (rc)
5893                 goto open_err;
5894
5895         rc = bnx2_request_irq(bp);
5896         if (rc)
5897                 goto open_err;
5898
5899         rc = bnx2_init_nic(bp, 1);
5900         if (rc)
5901                 goto open_err;
5902
5903         mod_timer(&bp->timer, jiffies + bp->current_interval);
5904
5905         atomic_set(&bp->intr_sem, 0);
5906
5907         bnx2_enable_int(bp);
5908
5909         if (bp->flags & BNX2_FLAG_USING_MSI) {
5910                 /* Test MSI to make sure it is working
5911                  * If MSI test fails, go back to INTx mode
5912                  */
5913                 if (bnx2_test_intr(bp) != 0) {
5914                         printk(KERN_WARNING PFX "%s: No interrupt was generated"
5915                                " using MSI, switching to INTx mode. Please"
5916                                " report this failure to the PCI maintainer"
5917                                " and include system chipset information.\n",
5918                                bp->dev->name);
5919
5920                         bnx2_disable_int(bp);
5921                         bnx2_free_irq(bp);
5922
5923                         bnx2_setup_int_mode(bp, 1);
5924
5925                         rc = bnx2_init_nic(bp, 0);
5926
5927                         if (!rc)
5928                                 rc = bnx2_request_irq(bp);
5929
5930                         if (rc) {
5931                                 del_timer_sync(&bp->timer);
5932                                 goto open_err;
5933                         }
5934                         bnx2_enable_int(bp);
5935                 }
5936         }
5937         if (bp->flags & BNX2_FLAG_USING_MSI)
5938                 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5939         else if (bp->flags & BNX2_FLAG_USING_MSIX)
5940                 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5941
5942         netif_tx_start_all_queues(dev);
5943
5944         return 0;
5945
5946 open_err:
5947         bnx2_napi_disable(bp);
5948         bnx2_free_skbs(bp);
5949         bnx2_free_irq(bp);
5950         bnx2_free_mem(bp);
5951         return rc;
5952 }
5953
5954 static void
5955 bnx2_reset_task(struct work_struct *work)
5956 {
5957         struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5958
5959         if (!netif_running(bp->dev))
5960                 return;
5961
5962         bnx2_netif_stop(bp);
5963
5964         bnx2_init_nic(bp, 1);
5965
5966         atomic_set(&bp->intr_sem, 1);
5967         bnx2_netif_start(bp);
5968 }
5969
5970 static void
5971 bnx2_tx_timeout(struct net_device *dev)
5972 {
5973         struct bnx2 *bp = netdev_priv(dev);
5974
5975         /* This allows the netif to be shutdown gracefully before resetting */
5976         schedule_work(&bp->reset_task);
5977 }
5978
5979 #ifdef BCM_VLAN
5980 /* Called with rtnl_lock */
5981 static void
5982 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5983 {
5984         struct bnx2 *bp = netdev_priv(dev);
5985
5986         bnx2_netif_stop(bp);
5987
5988         bp->vlgrp = vlgrp;
5989         bnx2_set_rx_mode(dev);
5990         if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
5991                 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
5992
5993         bnx2_netif_start(bp);
5994 }
5995 #endif
5996
5997 /* Called with netif_tx_lock.
5998  * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5999  * netif_wake_queue().
6000  */
6001 static int
6002 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6003 {
6004         struct bnx2 *bp = netdev_priv(dev);
6005         dma_addr_t mapping;
6006         struct tx_bd *txbd;
6007         struct sw_tx_bd *tx_buf;
6008         u32 len, vlan_tag_flags, last_frag, mss;
6009         u16 prod, ring_prod;
6010         int i;
6011         struct bnx2_napi *bnapi;
6012         struct bnx2_tx_ring_info *txr;
6013         struct netdev_queue *txq;
6014         struct skb_shared_info *sp;
6015
6016         /*  Determine which tx ring we will be placed on */
6017         i = skb_get_queue_mapping(skb);
6018         bnapi = &bp->bnx2_napi[i];
6019         txr = &bnapi->tx_ring;
6020         txq = netdev_get_tx_queue(dev, i);
6021
6022         if (unlikely(bnx2_tx_avail(bp, txr) <
6023             (skb_shinfo(skb)->nr_frags + 1))) {
6024                 netif_tx_stop_queue(txq);
6025                 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
6026                         dev->name);
6027
6028                 return NETDEV_TX_BUSY;
6029         }
6030         len = skb_headlen(skb);
6031         prod = txr->tx_prod;
6032         ring_prod = TX_RING_IDX(prod);
6033
6034         vlan_tag_flags = 0;
6035         if (skb->ip_summed == CHECKSUM_PARTIAL) {
6036                 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6037         }
6038
6039 #ifdef BCM_VLAN
6040         if (bp->vlgrp && vlan_tx_tag_present(skb)) {
6041                 vlan_tag_flags |=
6042                         (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6043         }
6044 #endif
6045         if ((mss = skb_shinfo(skb)->gso_size)) {
6046                 u32 tcp_opt_len;
6047                 struct iphdr *iph;
6048
6049                 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6050
6051                 tcp_opt_len = tcp_optlen(skb);
6052
6053                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6054                         u32 tcp_off = skb_transport_offset(skb) -
6055                                       sizeof(struct ipv6hdr) - ETH_HLEN;
6056
6057                         vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6058                                           TX_BD_FLAGS_SW_FLAGS;
6059                         if (likely(tcp_off == 0))
6060                                 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6061                         else {
6062                                 tcp_off >>= 3;
6063                                 vlan_tag_flags |= ((tcp_off & 0x3) <<
6064                                                    TX_BD_FLAGS_TCP6_OFF0_SHL) |
6065                                                   ((tcp_off & 0x10) <<
6066                                                    TX_BD_FLAGS_TCP6_OFF4_SHL);
6067                                 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6068                         }
6069                 } else {
6070                         iph = ip_hdr(skb);
6071                         if (tcp_opt_len || (iph->ihl > 5)) {
6072                                 vlan_tag_flags |= ((iph->ihl - 5) +
6073                                                    (tcp_opt_len >> 2)) << 8;
6074                         }
6075                 }
6076         } else
6077                 mss = 0;
6078
6079         if (skb_dma_map(&bp->pdev->dev, skb, DMA_TO_DEVICE)) {
6080                 dev_kfree_skb(skb);
6081                 return NETDEV_TX_OK;
6082         }
6083
6084         sp = skb_shinfo(skb);
6085         mapping = sp->dma_maps[0];
6086
6087         tx_buf = &txr->tx_buf_ring[ring_prod];
6088         tx_buf->skb = skb;
6089
6090         txbd = &txr->tx_desc_ring[ring_prod];
6091
6092         txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6093         txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6094         txbd->tx_bd_mss_nbytes = len | (mss << 16);
6095         txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6096
6097         last_frag = skb_shinfo(skb)->nr_frags;
6098
6099         for (i = 0; i < last_frag; i++) {
6100                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6101
6102                 prod = NEXT_TX_BD(prod);
6103                 ring_prod = TX_RING_IDX(prod);
6104                 txbd = &txr->tx_desc_ring[ring_prod];
6105
6106                 len = frag->size;
6107                 mapping = sp->dma_maps[i + 1];
6108
6109                 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6110                 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6111                 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6112                 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6113
6114         }
6115         txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6116
6117         prod = NEXT_TX_BD(prod);
6118         txr->tx_prod_bseq += skb->len;
6119
6120         REG_WR16(bp, txr->tx_bidx_addr, prod);
6121         REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
6122
6123         mmiowb();
6124
6125         txr->tx_prod = prod;
6126         dev->trans_start = jiffies;
6127
6128         if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
6129                 netif_tx_stop_queue(txq);
6130                 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
6131                         netif_tx_wake_queue(txq);
6132         }
6133
6134         return NETDEV_TX_OK;
6135 }
6136
6137 /* Called with rtnl_lock */
6138 static int
6139 bnx2_close(struct net_device *dev)
6140 {
6141         struct bnx2 *bp = netdev_priv(dev);
6142
6143         cancel_work_sync(&bp->reset_task);
6144
6145         bnx2_disable_int_sync(bp);
6146         bnx2_napi_disable(bp);
6147         del_timer_sync(&bp->timer);
6148         bnx2_shutdown_chip(bp);
6149         bnx2_free_irq(bp);
6150         bnx2_free_skbs(bp);
6151         bnx2_free_mem(bp);
6152         bp->link_up = 0;
6153         netif_carrier_off(bp->dev);
6154         bnx2_set_power_state(bp, PCI_D3hot);
6155         return 0;
6156 }
6157
6158 #define GET_NET_STATS64(ctr)                                    \
6159         (unsigned long) ((unsigned long) (ctr##_hi) << 32) +    \
6160         (unsigned long) (ctr##_lo)
6161
6162 #define GET_NET_STATS32(ctr)            \
6163         (ctr##_lo)
6164
6165 #if (BITS_PER_LONG == 64)
6166 #define GET_NET_STATS   GET_NET_STATS64
6167 #else
6168 #define GET_NET_STATS   GET_NET_STATS32
6169 #endif
6170
6171 static struct net_device_stats *
6172 bnx2_get_stats(struct net_device *dev)
6173 {
6174         struct bnx2 *bp = netdev_priv(dev);
6175         struct statistics_block *stats_blk = bp->stats_blk;
6176         struct net_device_stats *net_stats = &bp->net_stats;
6177
6178         if (bp->stats_blk == NULL) {
6179                 return net_stats;
6180         }
6181         net_stats->rx_packets =
6182                 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
6183                 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
6184                 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
6185
6186         net_stats->tx_packets =
6187                 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
6188                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
6189                 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
6190
6191         net_stats->rx_bytes =
6192                 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
6193
6194         net_stats->tx_bytes =
6195                 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
6196
6197         net_stats->multicast =
6198                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
6199
6200         net_stats->collisions =
6201                 (unsigned long) stats_blk->stat_EtherStatsCollisions;
6202
6203         net_stats->rx_length_errors =
6204                 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
6205                 stats_blk->stat_EtherStatsOverrsizePkts);
6206
6207         net_stats->rx_over_errors =
6208                 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
6209
6210         net_stats->rx_frame_errors =
6211                 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
6212
6213         net_stats->rx_crc_errors =
6214                 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
6215
6216         net_stats->rx_errors = net_stats->rx_length_errors +
6217                 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6218                 net_stats->rx_crc_errors;
6219
6220         net_stats->tx_aborted_errors =
6221                 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
6222                 stats_blk->stat_Dot3StatsLateCollisions);
6223
6224         if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6225             (CHIP_ID(bp) == CHIP_ID_5708_A0))
6226                 net_stats->tx_carrier_errors = 0;
6227         else {
6228                 net_stats->tx_carrier_errors =
6229                         (unsigned long)
6230                         stats_blk->stat_Dot3StatsCarrierSenseErrors;
6231         }
6232
6233         net_stats->tx_errors =
6234                 (unsigned long)
6235                 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6236                 +
6237                 net_stats->tx_aborted_errors +
6238                 net_stats->tx_carrier_errors;
6239
6240         net_stats->rx_missed_errors =
6241                 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6242                 stats_blk->stat_FwRxDrop);
6243
6244         return net_stats;
6245 }
6246
6247 /* All ethtool functions called with rtnl_lock */
6248
6249 static int
6250 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6251 {
6252         struct bnx2 *bp = netdev_priv(dev);
6253         int support_serdes = 0, support_copper = 0;
6254
6255         cmd->supported = SUPPORTED_Autoneg;
6256         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6257                 support_serdes = 1;
6258                 support_copper = 1;
6259         } else if (bp->phy_port == PORT_FIBRE)
6260                 support_serdes = 1;
6261         else
6262                 support_copper = 1;
6263
6264         if (support_serdes) {
6265                 cmd->supported |= SUPPORTED_1000baseT_Full |
6266                         SUPPORTED_FIBRE;
6267                 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6268                         cmd->supported |= SUPPORTED_2500baseX_Full;
6269
6270         }
6271         if (support_copper) {
6272                 cmd->supported |= SUPPORTED_10baseT_Half |
6273                         SUPPORTED_10baseT_Full |
6274                         SUPPORTED_100baseT_Half |
6275                         SUPPORTED_100baseT_Full |
6276                         SUPPORTED_1000baseT_Full |
6277                         SUPPORTED_TP;
6278
6279         }
6280
6281         spin_lock_bh(&bp->phy_lock);
6282         cmd->port = bp->phy_port;
6283         cmd->advertising = bp->advertising;
6284
6285         if (bp->autoneg & AUTONEG_SPEED) {
6286                 cmd->autoneg = AUTONEG_ENABLE;
6287         }
6288         else {
6289                 cmd->autoneg = AUTONEG_DISABLE;
6290         }
6291
6292         if (netif_carrier_ok(dev)) {
6293                 cmd->speed = bp->line_speed;
6294                 cmd->duplex = bp->duplex;
6295         }
6296         else {
6297                 cmd->speed = -1;
6298                 cmd->duplex = -1;
6299         }
6300         spin_unlock_bh(&bp->phy_lock);
6301
6302         cmd->transceiver = XCVR_INTERNAL;
6303         cmd->phy_address = bp->phy_addr;
6304
6305         return 0;
6306 }
6307
6308 static int
6309 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6310 {
6311         struct bnx2 *bp = netdev_priv(dev);
6312         u8 autoneg = bp->autoneg;
6313         u8 req_duplex = bp->req_duplex;
6314         u16 req_line_speed = bp->req_line_speed;
6315         u32 advertising = bp->advertising;
6316         int err = -EINVAL;
6317
6318         spin_lock_bh(&bp->phy_lock);
6319
6320         if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6321                 goto err_out_unlock;
6322
6323         if (cmd->port != bp->phy_port &&
6324             !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6325                 goto err_out_unlock;
6326
6327         /* If device is down, we can store the settings only if the user
6328          * is setting the currently active port.
6329          */
6330         if (!netif_running(dev) && cmd->port != bp->phy_port)
6331                 goto err_out_unlock;
6332
6333         if (cmd->autoneg == AUTONEG_ENABLE) {
6334                 autoneg |= AUTONEG_SPEED;
6335
6336                 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6337
6338                 /* allow advertising 1 speed */
6339                 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6340                         (cmd->advertising == ADVERTISED_10baseT_Full) ||
6341                         (cmd->advertising == ADVERTISED_100baseT_Half) ||
6342                         (cmd->advertising == ADVERTISED_100baseT_Full)) {
6343
6344                         if (cmd->port == PORT_FIBRE)
6345                                 goto err_out_unlock;
6346
6347                         advertising = cmd->advertising;
6348
6349                 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6350                         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6351                             (cmd->port == PORT_TP))
6352                                 goto err_out_unlock;
6353                 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6354                         advertising = cmd->advertising;
6355                 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6356                         goto err_out_unlock;
6357                 else {
6358                         if (cmd->port == PORT_FIBRE)
6359                                 advertising = ETHTOOL_ALL_FIBRE_SPEED;
6360                         else
6361                                 advertising = ETHTOOL_ALL_COPPER_SPEED;
6362                 }
6363                 advertising |= ADVERTISED_Autoneg;
6364         }
6365         else {
6366                 if (cmd->port == PORT_FIBRE) {
6367                         if ((cmd->speed != SPEED_1000 &&
6368                              cmd->speed != SPEED_2500) ||
6369                             (cmd->duplex != DUPLEX_FULL))
6370                                 goto err_out_unlock;
6371
6372                         if (cmd->speed == SPEED_2500 &&
6373                             !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6374                                 goto err_out_unlock;
6375                 }
6376                 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6377                         goto err_out_unlock;
6378
6379                 autoneg &= ~AUTONEG_SPEED;
6380                 req_line_speed = cmd->speed;
6381                 req_duplex = cmd->duplex;
6382                 advertising = 0;
6383         }
6384
6385         bp->autoneg = autoneg;
6386         bp->advertising = advertising;
6387         bp->req_line_speed = req_line_speed;
6388         bp->req_duplex = req_duplex;
6389
6390         err = 0;
6391         /* If device is down, the new settings will be picked up when it is
6392          * brought up.
6393          */
6394         if (netif_running(dev))
6395                 err = bnx2_setup_phy(bp, cmd->port);
6396
6397 err_out_unlock:
6398         spin_unlock_bh(&bp->phy_lock);
6399
6400         return err;
6401 }
6402
6403 static void
6404 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6405 {
6406         struct bnx2 *bp = netdev_priv(dev);
6407
6408         strcpy(info->driver, DRV_MODULE_NAME);
6409         strcpy(info->version, DRV_MODULE_VERSION);
6410         strcpy(info->bus_info, pci_name(bp->pdev));
6411         strcpy(info->fw_version, bp->fw_version);
6412 }
6413
6414 #define BNX2_REGDUMP_LEN                (32 * 1024)
6415
6416 static int
6417 bnx2_get_regs_len(struct net_device *dev)
6418 {
6419         return BNX2_REGDUMP_LEN;
6420 }
6421
6422 static void
6423 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6424 {
6425         u32 *p = _p, i, offset;
6426         u8 *orig_p = _p;
6427         struct bnx2 *bp = netdev_priv(dev);
6428         u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6429                                  0x0800, 0x0880, 0x0c00, 0x0c10,
6430                                  0x0c30, 0x0d08, 0x1000, 0x101c,
6431                                  0x1040, 0x1048, 0x1080, 0x10a4,
6432                                  0x1400, 0x1490, 0x1498, 0x14f0,
6433                                  0x1500, 0x155c, 0x1580, 0x15dc,
6434                                  0x1600, 0x1658, 0x1680, 0x16d8,
6435                                  0x1800, 0x1820, 0x1840, 0x1854,
6436                                  0x1880, 0x1894, 0x1900, 0x1984,
6437                                  0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6438                                  0x1c80, 0x1c94, 0x1d00, 0x1d84,
6439                                  0x2000, 0x2030, 0x23c0, 0x2400,
6440                                  0x2800, 0x2820, 0x2830, 0x2850,
6441                                  0x2b40, 0x2c10, 0x2fc0, 0x3058,
6442                                  0x3c00, 0x3c94, 0x4000, 0x4010,
6443                                  0x4080, 0x4090, 0x43c0, 0x4458,
6444                                  0x4c00, 0x4c18, 0x4c40, 0x4c54,
6445                                  0x4fc0, 0x5010, 0x53c0, 0x5444,
6446                                  0x5c00, 0x5c18, 0x5c80, 0x5c90,
6447                                  0x5fc0, 0x6000, 0x6400, 0x6428,
6448                                  0x6800, 0x6848, 0x684c, 0x6860,
6449                                  0x6888, 0x6910, 0x8000 };
6450
6451         regs->version = 0;
6452
6453         memset(p, 0, BNX2_REGDUMP_LEN);
6454
6455         if (!netif_running(bp->dev))
6456                 return;
6457
6458         i = 0;
6459         offset = reg_boundaries[0];
6460         p += offset;
6461         while (offset < BNX2_REGDUMP_LEN) {
6462                 *p++ = REG_RD(bp, offset);
6463                 offset += 4;
6464                 if (offset == reg_boundaries[i + 1]) {
6465                         offset = reg_boundaries[i + 2];
6466                         p = (u32 *) (orig_p + offset);
6467                         i += 2;
6468                 }
6469         }
6470 }
6471
6472 static void
6473 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6474 {
6475         struct bnx2 *bp = netdev_priv(dev);
6476
6477         if (bp->flags & BNX2_FLAG_NO_WOL) {
6478                 wol->supported = 0;
6479                 wol->wolopts = 0;
6480         }
6481         else {
6482                 wol->supported = WAKE_MAGIC;
6483                 if (bp->wol)
6484                         wol->wolopts = WAKE_MAGIC;
6485                 else
6486                         wol->wolopts = 0;
6487         }
6488         memset(&wol->sopass, 0, sizeof(wol->sopass));
6489 }
6490
6491 static int
6492 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6493 {
6494         struct bnx2 *bp = netdev_priv(dev);
6495
6496         if (wol->wolopts & ~WAKE_MAGIC)
6497                 return -EINVAL;
6498
6499         if (wol->wolopts & WAKE_MAGIC) {
6500                 if (bp->flags & BNX2_FLAG_NO_WOL)
6501                         return -EINVAL;
6502
6503                 bp->wol = 1;
6504         }
6505         else {
6506                 bp->wol = 0;
6507         }
6508         return 0;
6509 }
6510
6511 static int
6512 bnx2_nway_reset(struct net_device *dev)
6513 {
6514         struct bnx2 *bp = netdev_priv(dev);
6515         u32 bmcr;
6516
6517         if (!netif_running(dev))
6518                 return -EAGAIN;
6519
6520         if (!(bp->autoneg & AUTONEG_SPEED)) {
6521                 return -EINVAL;
6522         }
6523
6524         spin_lock_bh(&bp->phy_lock);
6525
6526         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6527                 int rc;
6528
6529                 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6530                 spin_unlock_bh(&bp->phy_lock);
6531                 return rc;
6532         }
6533
6534         /* Force a link down visible on the other side */
6535         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6536                 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6537                 spin_unlock_bh(&bp->phy_lock);
6538
6539                 msleep(20);
6540
6541                 spin_lock_bh(&bp->phy_lock);
6542
6543                 bp->current_interval = SERDES_AN_TIMEOUT;
6544                 bp->serdes_an_pending = 1;
6545                 mod_timer(&bp->timer, jiffies + bp->current_interval);
6546         }
6547
6548         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6549         bmcr &= ~BMCR_LOOPBACK;
6550         bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6551
6552         spin_unlock_bh(&bp->phy_lock);
6553
6554         return 0;
6555 }
6556
6557 static int
6558 bnx2_get_eeprom_len(struct net_device *dev)
6559 {
6560         struct bnx2 *bp = netdev_priv(dev);
6561
6562         if (bp->flash_info == NULL)
6563                 return 0;
6564
6565         return (int) bp->flash_size;
6566 }
6567
6568 static int
6569 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6570                 u8 *eebuf)
6571 {
6572         struct bnx2 *bp = netdev_priv(dev);
6573         int rc;
6574
6575         if (!netif_running(dev))
6576                 return -EAGAIN;
6577
6578         /* parameters already validated in ethtool_get_eeprom */
6579
6580         rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6581
6582         return rc;
6583 }
6584
6585 static int
6586 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6587                 u8 *eebuf)
6588 {
6589         struct bnx2 *bp = netdev_priv(dev);
6590         int rc;
6591
6592         if (!netif_running(dev))
6593                 return -EAGAIN;
6594
6595         /* parameters already validated in ethtool_set_eeprom */
6596
6597         rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6598
6599         return rc;
6600 }
6601
6602 static int
6603 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6604 {
6605         struct bnx2 *bp = netdev_priv(dev);
6606
6607         memset(coal, 0, sizeof(struct ethtool_coalesce));
6608
6609         coal->rx_coalesce_usecs = bp->rx_ticks;
6610         coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6611         coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6612         coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6613
6614         coal->tx_coalesce_usecs = bp->tx_ticks;
6615         coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6616         coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6617         coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6618
6619         coal->stats_block_coalesce_usecs = bp->stats_ticks;
6620
6621         return 0;
6622 }
6623
6624 static int
6625 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6626 {
6627         struct bnx2 *bp = netdev_priv(dev);
6628
6629         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6630         if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6631
6632         bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6633         if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6634
6635         bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6636         if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6637
6638         bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6639         if (bp->rx_quick_cons_trip_int > 0xff)
6640                 bp->rx_quick_cons_trip_int = 0xff;
6641
6642         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6643         if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6644
6645         bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6646         if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6647
6648         bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6649         if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6650
6651         bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6652         if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6653                 0xff;
6654
6655         bp->stats_ticks = coal->stats_block_coalesce_usecs;
6656         if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6657                 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6658                         bp->stats_ticks = USEC_PER_SEC;
6659         }
6660         if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6661                 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6662         bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6663
6664         if (netif_running(bp->dev)) {
6665                 bnx2_netif_stop(bp);
6666                 bnx2_init_nic(bp, 0);
6667                 bnx2_netif_start(bp);
6668         }
6669
6670         return 0;
6671 }
6672
6673 static void
6674 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6675 {
6676         struct bnx2 *bp = netdev_priv(dev);
6677
6678         ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6679         ering->rx_mini_max_pending = 0;
6680         ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6681
6682         ering->rx_pending = bp->rx_ring_size;
6683         ering->rx_mini_pending = 0;
6684         ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6685
6686         ering->tx_max_pending = MAX_TX_DESC_CNT;
6687         ering->tx_pending = bp->tx_ring_size;
6688 }
6689
6690 static int
6691 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6692 {
6693         if (netif_running(bp->dev)) {
6694                 bnx2_netif_stop(bp);
6695                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6696                 bnx2_free_skbs(bp);
6697                 bnx2_free_mem(bp);
6698         }
6699
6700         bnx2_set_rx_ring_size(bp, rx);
6701         bp->tx_ring_size = tx;
6702
6703         if (netif_running(bp->dev)) {
6704                 int rc;
6705
6706                 rc = bnx2_alloc_mem(bp);
6707                 if (rc)
6708                         return rc;
6709                 bnx2_init_nic(bp, 0);
6710                 bnx2_netif_start(bp);
6711         }
6712         return 0;
6713 }
6714
6715 static int
6716 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6717 {
6718         struct bnx2 *bp = netdev_priv(dev);
6719         int rc;
6720
6721         if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6722                 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6723                 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6724
6725                 return -EINVAL;
6726         }
6727         rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6728         return rc;
6729 }
6730
6731 static void
6732 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6733 {
6734         struct bnx2 *bp = netdev_priv(dev);
6735
6736         epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6737         epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6738         epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6739 }
6740
6741 static int
6742 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6743 {
6744         struct bnx2 *bp = netdev_priv(dev);
6745
6746         bp->req_flow_ctrl = 0;
6747         if (epause->rx_pause)
6748                 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6749         if (epause->tx_pause)
6750                 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6751
6752         if (epause->autoneg) {
6753                 bp->autoneg |= AUTONEG_FLOW_CTRL;
6754         }
6755         else {
6756                 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6757         }
6758
6759         if (netif_running(dev)) {
6760                 spin_lock_bh(&bp->phy_lock);
6761                 bnx2_setup_phy(bp, bp->phy_port);
6762                 spin_unlock_bh(&bp->phy_lock);
6763         }
6764
6765         return 0;
6766 }
6767
6768 static u32
6769 bnx2_get_rx_csum(struct net_device *dev)
6770 {
6771         struct bnx2 *bp = netdev_priv(dev);
6772
6773         return bp->rx_csum;
6774 }
6775
6776 static int
6777 bnx2_set_rx_csum(struct net_device *dev, u32 data)
6778 {
6779         struct bnx2 *bp = netdev_priv(dev);
6780
6781         bp->rx_csum = data;
6782         return 0;
6783 }
6784
6785 static int
6786 bnx2_set_tso(struct net_device *dev, u32 data)
6787 {
6788         struct bnx2 *bp = netdev_priv(dev);
6789
6790         if (data) {
6791                 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6792                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6793                         dev->features |= NETIF_F_TSO6;
6794         } else
6795                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6796                                    NETIF_F_TSO_ECN);
6797         return 0;
6798 }
6799
6800 #define BNX2_NUM_STATS 46
6801
6802 static struct {
6803         char string[ETH_GSTRING_LEN];
6804 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6805         { "rx_bytes" },
6806         { "rx_error_bytes" },
6807         { "tx_bytes" },
6808         { "tx_error_bytes" },
6809         { "rx_ucast_packets" },
6810         { "rx_mcast_packets" },
6811         { "rx_bcast_packets" },
6812         { "tx_ucast_packets" },
6813         { "tx_mcast_packets" },
6814         { "tx_bcast_packets" },
6815         { "tx_mac_errors" },
6816         { "tx_carrier_errors" },
6817         { "rx_crc_errors" },
6818         { "rx_align_errors" },
6819         { "tx_single_collisions" },
6820         { "tx_multi_collisions" },
6821         { "tx_deferred" },
6822         { "tx_excess_collisions" },
6823         { "tx_late_collisions" },
6824         { "tx_total_collisions" },
6825         { "rx_fragments" },
6826         { "rx_jabbers" },
6827         { "rx_undersize_packets" },
6828         { "rx_oversize_packets" },
6829         { "rx_64_byte_packets" },
6830         { "rx_65_to_127_byte_packets" },
6831         { "rx_128_to_255_byte_packets" },
6832         { "rx_256_to_511_byte_packets" },
6833         { "rx_512_to_1023_byte_packets" },
6834         { "rx_1024_to_1522_byte_packets" },
6835         { "rx_1523_to_9022_byte_packets" },
6836         { "tx_64_byte_packets" },
6837         { "tx_65_to_127_byte_packets" },
6838         { "tx_128_to_255_byte_packets" },
6839         { "tx_256_to_511_byte_packets" },
6840         { "tx_512_to_1023_byte_packets" },
6841         { "tx_1024_to_1522_byte_packets" },
6842         { "tx_1523_to_9022_byte_packets" },
6843         { "rx_xon_frames" },
6844         { "rx_xoff_frames" },
6845         { "tx_xon_frames" },
6846         { "tx_xoff_frames" },
6847         { "rx_mac_ctrl_frames" },
6848         { "rx_filtered_packets" },
6849         { "rx_discards" },
6850         { "rx_fw_discards" },
6851 };
6852
6853 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6854
6855 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6856     STATS_OFFSET32(stat_IfHCInOctets_hi),
6857     STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6858     STATS_OFFSET32(stat_IfHCOutOctets_hi),
6859     STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6860     STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6861     STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6862     STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6863     STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6864     STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6865     STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6866     STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6867     STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6868     STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6869     STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6870     STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6871     STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6872     STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6873     STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6874     STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6875     STATS_OFFSET32(stat_EtherStatsCollisions),
6876     STATS_OFFSET32(stat_EtherStatsFragments),
6877     STATS_OFFSET32(stat_EtherStatsJabbers),
6878     STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6879     STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6880     STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6881     STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6882     STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6883     STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6884     STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6885     STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6886     STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6887     STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6888     STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6889     STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6890     STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6891     STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6892     STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6893     STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6894     STATS_OFFSET32(stat_XonPauseFramesReceived),
6895     STATS_OFFSET32(stat_XoffPauseFramesReceived),
6896     STATS_OFFSET32(stat_OutXonSent),
6897     STATS_OFFSET32(stat_OutXoffSent),
6898     STATS_OFFSET32(stat_MacControlFramesReceived),
6899     STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6900     STATS_OFFSET32(stat_IfInMBUFDiscards),
6901     STATS_OFFSET32(stat_FwRxDrop),
6902 };
6903
6904 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6905  * skipped because of errata.
6906  */
6907 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6908         8,0,8,8,8,8,8,8,8,8,
6909         4,0,4,4,4,4,4,4,4,4,
6910         4,4,4,4,4,4,4,4,4,4,
6911         4,4,4,4,4,4,4,4,4,4,
6912         4,4,4,4,4,4,
6913 };
6914
6915 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6916         8,0,8,8,8,8,8,8,8,8,
6917         4,4,4,4,4,4,4,4,4,4,
6918         4,4,4,4,4,4,4,4,4,4,
6919         4,4,4,4,4,4,4,4,4,4,
6920         4,4,4,4,4,4,
6921 };
6922
6923 #define BNX2_NUM_TESTS 6
6924
6925 static struct {
6926         char string[ETH_GSTRING_LEN];
6927 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6928         { "register_test (offline)" },
6929         { "memory_test (offline)" },
6930         { "loopback_test (offline)" },
6931         { "nvram_test (online)" },
6932         { "interrupt_test (online)" },
6933         { "link_test (online)" },
6934 };
6935
6936 static int
6937 bnx2_get_sset_count(struct net_device *dev, int sset)
6938 {
6939         switch (sset) {
6940         case ETH_SS_TEST:
6941                 return BNX2_NUM_TESTS;
6942         case ETH_SS_STATS:
6943                 return BNX2_NUM_STATS;
6944         default:
6945                 return -EOPNOTSUPP;
6946         }
6947 }
6948
6949 static void
6950 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6951 {
6952         struct bnx2 *bp = netdev_priv(dev);
6953
6954         bnx2_set_power_state(bp, PCI_D0);
6955
6956         memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6957         if (etest->flags & ETH_TEST_FL_OFFLINE) {
6958                 int i;
6959
6960                 bnx2_netif_stop(bp);
6961                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6962                 bnx2_free_skbs(bp);
6963
6964                 if (bnx2_test_registers(bp) != 0) {
6965                         buf[0] = 1;
6966                         etest->flags |= ETH_TEST_FL_FAILED;
6967                 }
6968                 if (bnx2_test_memory(bp) != 0) {
6969                         buf[1] = 1;
6970                         etest->flags |= ETH_TEST_FL_FAILED;
6971                 }
6972                 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6973                         etest->flags |= ETH_TEST_FL_FAILED;
6974
6975                 if (!netif_running(bp->dev))
6976                         bnx2_shutdown_chip(bp);
6977                 else {
6978                         bnx2_init_nic(bp, 1);
6979                         bnx2_netif_start(bp);
6980                 }
6981
6982                 /* wait for link up */
6983                 for (i = 0; i < 7; i++) {
6984                         if (bp->link_up)
6985                                 break;
6986                         msleep_interruptible(1000);
6987                 }
6988         }
6989
6990         if (bnx2_test_nvram(bp) != 0) {
6991                 buf[3] = 1;
6992                 etest->flags |= ETH_TEST_FL_FAILED;
6993         }
6994         if (bnx2_test_intr(bp) != 0) {
6995                 buf[4] = 1;
6996                 etest->flags |= ETH_TEST_FL_FAILED;
6997         }
6998
6999         if (bnx2_test_link(bp) != 0) {
7000                 buf[5] = 1;
7001                 etest->flags |= ETH_TEST_FL_FAILED;
7002
7003         }
7004         if (!netif_running(bp->dev))
7005                 bnx2_set_power_state(bp, PCI_D3hot);
7006 }
7007
7008 static void
7009 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7010 {
7011         switch (stringset) {
7012         case ETH_SS_STATS:
7013                 memcpy(buf, bnx2_stats_str_arr,
7014                         sizeof(bnx2_stats_str_arr));
7015                 break;
7016         case ETH_SS_TEST:
7017                 memcpy(buf, bnx2_tests_str_arr,
7018                         sizeof(bnx2_tests_str_arr));
7019                 break;
7020         }
7021 }
7022
7023 static void
7024 bnx2_get_ethtool_stats(struct net_device *dev,
7025                 struct ethtool_stats *stats, u64 *buf)
7026 {
7027         struct bnx2 *bp = netdev_priv(dev);
7028         int i;
7029         u32 *hw_stats = (u32 *) bp->stats_blk;
7030         u8 *stats_len_arr = NULL;
7031
7032         if (hw_stats == NULL) {
7033                 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7034                 return;
7035         }
7036
7037         if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7038             (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7039             (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7040             (CHIP_ID(bp) == CHIP_ID_5708_A0))
7041                 stats_len_arr = bnx2_5706_stats_len_arr;
7042         else
7043                 stats_len_arr = bnx2_5708_stats_len_arr;
7044
7045         for (i = 0; i < BNX2_NUM_STATS; i++) {
7046                 if (stats_len_arr[i] == 0) {
7047                         /* skip this counter */
7048                         buf[i] = 0;
7049                         continue;
7050                 }
7051                 if (stats_len_arr[i] == 4) {
7052                         /* 4-byte counter */
7053                         buf[i] = (u64)
7054                                 *(hw_stats + bnx2_stats_offset_arr[i]);
7055                         continue;
7056                 }
7057                 /* 8-byte counter */
7058                 buf[i] = (((u64) *(hw_stats +
7059                                         bnx2_stats_offset_arr[i])) << 32) +
7060                                 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
7061         }
7062 }
7063
7064 static int
7065 bnx2_phys_id(struct net_device *dev, u32 data)
7066 {
7067         struct bnx2 *bp = netdev_priv(dev);
7068         int i;
7069         u32 save;
7070
7071         bnx2_set_power_state(bp, PCI_D0);
7072
7073         if (data == 0)
7074                 data = 2;
7075
7076         save = REG_RD(bp, BNX2_MISC_CFG);
7077         REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7078
7079         for (i = 0; i < (data * 2); i++) {
7080                 if ((i % 2) == 0) {
7081                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7082                 }
7083                 else {
7084                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7085                                 BNX2_EMAC_LED_1000MB_OVERRIDE |
7086                                 BNX2_EMAC_LED_100MB_OVERRIDE |
7087                                 BNX2_EMAC_LED_10MB_OVERRIDE |
7088                                 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7089                                 BNX2_EMAC_LED_TRAFFIC);
7090                 }
7091                 msleep_interruptible(500);
7092                 if (signal_pending(current))
7093                         break;
7094         }
7095         REG_WR(bp, BNX2_EMAC_LED, 0);
7096         REG_WR(bp, BNX2_MISC_CFG, save);
7097
7098         if (!netif_running(dev))
7099                 bnx2_set_power_state(bp, PCI_D3hot);
7100
7101         return 0;
7102 }
7103
7104 static int
7105 bnx2_set_tx_csum(struct net_device *dev, u32 data)
7106 {
7107         struct bnx2 *bp = netdev_priv(dev);
7108
7109         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7110                 return (ethtool_op_set_tx_ipv6_csum(dev, data));
7111         else
7112                 return (ethtool_op_set_tx_csum(dev, data));
7113 }
7114
7115 static const struct ethtool_ops bnx2_ethtool_ops = {
7116         .get_settings           = bnx2_get_settings,
7117         .set_settings           = bnx2_set_settings,
7118         .get_drvinfo            = bnx2_get_drvinfo,
7119         .get_regs_len           = bnx2_get_regs_len,
7120         .get_regs               = bnx2_get_regs,
7121         .get_wol                = bnx2_get_wol,
7122         .set_wol                = bnx2_set_wol,
7123         .nway_reset             = bnx2_nway_reset,
7124         .get_link               = ethtool_op_get_link,
7125         .get_eeprom_len         = bnx2_get_eeprom_len,
7126         .get_eeprom             = bnx2_get_eeprom,
7127         .set_eeprom             = bnx2_set_eeprom,
7128         .get_coalesce           = bnx2_get_coalesce,
7129         .set_coalesce           = bnx2_set_coalesce,
7130         .get_ringparam          = bnx2_get_ringparam,
7131         .set_ringparam          = bnx2_set_ringparam,
7132         .get_pauseparam         = bnx2_get_pauseparam,
7133         .set_pauseparam         = bnx2_set_pauseparam,
7134         .get_rx_csum            = bnx2_get_rx_csum,
7135         .set_rx_csum            = bnx2_set_rx_csum,
7136         .set_tx_csum            = bnx2_set_tx_csum,
7137         .set_sg                 = ethtool_op_set_sg,
7138         .set_tso                = bnx2_set_tso,
7139         .self_test              = bnx2_self_test,
7140         .get_strings            = bnx2_get_strings,
7141         .phys_id                = bnx2_phys_id,
7142         .get_ethtool_stats      = bnx2_get_ethtool_stats,
7143         .get_sset_count         = bnx2_get_sset_count,
7144 };
7145
7146 /* Called with rtnl_lock */
7147 static int
7148 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7149 {
7150         struct mii_ioctl_data *data = if_mii(ifr);
7151         struct bnx2 *bp = netdev_priv(dev);
7152         int err;
7153
7154         switch(cmd) {
7155         case SIOCGMIIPHY:
7156                 data->phy_id = bp->phy_addr;
7157
7158                 /* fallthru */
7159         case SIOCGMIIREG: {
7160                 u32 mii_regval;
7161
7162                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7163                         return -EOPNOTSUPP;
7164
7165                 if (!netif_running(dev))
7166                         return -EAGAIN;
7167
7168                 spin_lock_bh(&bp->phy_lock);
7169                 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
7170                 spin_unlock_bh(&bp->phy_lock);
7171
7172                 data->val_out = mii_regval;
7173
7174                 return err;
7175         }
7176
7177         case SIOCSMIIREG:
7178                 if (!capable(CAP_NET_ADMIN))
7179                         return -EPERM;
7180
7181                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
7182                         return -EOPNOTSUPP;
7183
7184                 if (!netif_running(dev))
7185                         return -EAGAIN;
7186
7187                 spin_lock_bh(&bp->phy_lock);
7188                 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
7189                 spin_unlock_bh(&bp->phy_lock);
7190
7191                 return err;
7192
7193         default:
7194                 /* do nothing */
7195                 break;
7196         }
7197         return -EOPNOTSUPP;
7198 }
7199
7200 /* Called with rtnl_lock */
7201 static int
7202 bnx2_change_mac_addr(struct net_device *dev, void *p)
7203 {
7204         struct sockaddr *addr = p;
7205         struct bnx2 *bp = netdev_priv(dev);
7206
7207         if (!is_valid_ether_addr(addr->sa_data))
7208                 return -EINVAL;
7209
7210         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7211         if (netif_running(dev))
7212                 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
7213
7214         return 0;
7215 }
7216
7217 /* Called with rtnl_lock */
7218 static int
7219 bnx2_change_mtu(struct net_device *dev, int new_mtu)
7220 {
7221         struct bnx2 *bp = netdev_priv(dev);
7222
7223         if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7224                 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7225                 return -EINVAL;
7226
7227         dev->mtu = new_mtu;
7228         return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
7229 }
7230
7231 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7232 static void
7233 poll_bnx2(struct net_device *dev)
7234 {
7235         struct bnx2 *bp = netdev_priv(dev);
7236         int i;
7237
7238         for (i = 0; i < bp->irq_nvecs; i++) {
7239                 disable_irq(bp->irq_tbl[i].vector);
7240                 bnx2_interrupt(bp->irq_tbl[i].vector, &bp->bnx2_napi[i]);
7241                 enable_irq(bp->irq_tbl[i].vector);
7242         }
7243 }
7244 #endif
7245
7246 static void __devinit
7247 bnx2_get_5709_media(struct bnx2 *bp)
7248 {
7249         u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7250         u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7251         u32 strap;
7252
7253         if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7254                 return;
7255         else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
7256                 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7257                 return;
7258         }
7259
7260         if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7261                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7262         else
7263                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7264
7265         if (PCI_FUNC(bp->pdev->devfn) == 0) {
7266                 switch (strap) {
7267                 case 0x4:
7268                 case 0x5:
7269                 case 0x6:
7270                         bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7271                         return;
7272                 }
7273         } else {
7274                 switch (strap) {
7275                 case 0x1:
7276                 case 0x2:
7277                 case 0x4:
7278                         bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7279                         return;
7280                 }
7281         }
7282 }
7283
7284 static void __devinit
7285 bnx2_get_pci_speed(struct bnx2 *bp)
7286 {
7287         u32 reg;
7288
7289         reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7290         if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7291                 u32 clkreg;
7292
7293                 bp->flags |= BNX2_FLAG_PCIX;
7294
7295                 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7296
7297                 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7298                 switch (clkreg) {
7299                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7300                         bp->bus_speed_mhz = 133;
7301                         break;
7302
7303                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7304                         bp->bus_speed_mhz = 100;
7305                         break;
7306
7307                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7308                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7309                         bp->bus_speed_mhz = 66;
7310                         break;
7311
7312                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7313                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7314                         bp->bus_speed_mhz = 50;
7315                         break;
7316
7317                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7318                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7319                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7320                         bp->bus_speed_mhz = 33;
7321                         break;
7322                 }
7323         }
7324         else {
7325                 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7326                         bp->bus_speed_mhz = 66;
7327                 else
7328                         bp->bus_speed_mhz = 33;
7329         }
7330
7331         if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
7332                 bp->flags |= BNX2_FLAG_PCI_32BIT;
7333
7334 }
7335
7336 static int __devinit
7337 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7338 {
7339         struct bnx2 *bp;
7340         unsigned long mem_len;
7341         int rc, i, j;
7342         u32 reg;
7343         u64 dma_mask, persist_dma_mask;
7344
7345         SET_NETDEV_DEV(dev, &pdev->dev);
7346         bp = netdev_priv(dev);
7347
7348         bp->flags = 0;
7349         bp->phy_flags = 0;
7350
7351         /* enable device (incl. PCI PM wakeup), and bus-mastering */
7352         rc = pci_enable_device(pdev);
7353         if (rc) {
7354                 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7355                 goto err_out;
7356         }
7357
7358         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7359                 dev_err(&pdev->dev,
7360                         "Cannot find PCI device base address, aborting.\n");
7361                 rc = -ENODEV;
7362                 goto err_out_disable;
7363         }
7364
7365         rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7366         if (rc) {
7367                 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7368                 goto err_out_disable;
7369         }
7370
7371         pci_set_master(pdev);
7372         pci_save_state(pdev);
7373
7374         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7375         if (bp->pm_cap == 0) {
7376                 dev_err(&pdev->dev,
7377                         "Cannot find power management capability, aborting.\n");
7378                 rc = -EIO;
7379                 goto err_out_release;
7380         }
7381
7382         bp->dev = dev;
7383         bp->pdev = pdev;
7384
7385         spin_lock_init(&bp->phy_lock);
7386         spin_lock_init(&bp->indirect_lock);
7387         INIT_WORK(&bp->reset_task, bnx2_reset_task);
7388
7389         dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7390         mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS);
7391         dev->mem_end = dev->mem_start + mem_len;
7392         dev->irq = pdev->irq;
7393
7394         bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7395
7396         if (!bp->regview) {
7397                 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7398                 rc = -ENOMEM;
7399                 goto err_out_release;
7400         }
7401
7402         /* Configure byte swap and enable write to the reg_window registers.
7403          * Rely on CPU to do target byte swapping on big endian systems
7404          * The chip's target access swapping will not swap all accesses
7405          */
7406         pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7407                                BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7408                                BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7409
7410         bnx2_set_power_state(bp, PCI_D0);
7411
7412         bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7413
7414         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7415                 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7416                         dev_err(&pdev->dev,
7417                                 "Cannot find PCIE capability, aborting.\n");
7418                         rc = -EIO;
7419                         goto err_out_unmap;
7420                 }
7421                 bp->flags |= BNX2_FLAG_PCIE;
7422                 if (CHIP_REV(bp) == CHIP_REV_Ax)
7423                         bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7424         } else {
7425                 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7426                 if (bp->pcix_cap == 0) {
7427                         dev_err(&pdev->dev,
7428                                 "Cannot find PCIX capability, aborting.\n");
7429                         rc = -EIO;
7430                         goto err_out_unmap;
7431                 }
7432         }
7433
7434         if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7435                 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7436                         bp->flags |= BNX2_FLAG_MSIX_CAP;
7437         }
7438
7439         if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7440                 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7441                         bp->flags |= BNX2_FLAG_MSI_CAP;
7442         }
7443
7444         /* 5708 cannot support DMA addresses > 40-bit.  */
7445         if (CHIP_NUM(bp) == CHIP_NUM_5708)
7446                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7447         else
7448                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7449
7450         /* Configure DMA attributes. */
7451         if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7452                 dev->features |= NETIF_F_HIGHDMA;
7453                 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7454                 if (rc) {
7455                         dev_err(&pdev->dev,
7456                                 "pci_set_consistent_dma_mask failed, aborting.\n");
7457                         goto err_out_unmap;
7458                 }
7459         } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7460                 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7461                 goto err_out_unmap;
7462         }
7463
7464         if (!(bp->flags & BNX2_FLAG_PCIE))
7465                 bnx2_get_pci_speed(bp);
7466
7467         /* 5706A0 may falsely detect SERR and PERR. */
7468         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7469                 reg = REG_RD(bp, PCI_COMMAND);
7470                 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7471                 REG_WR(bp, PCI_COMMAND, reg);
7472         }
7473         else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
7474                 !(bp->flags & BNX2_FLAG_PCIX)) {
7475
7476                 dev_err(&pdev->dev,
7477                         "5706 A1 can only be used in a PCIX bus, aborting.\n");
7478                 goto err_out_unmap;
7479         }
7480
7481         bnx2_init_nvram(bp);
7482
7483         reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7484
7485         if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7486             BNX2_SHM_HDR_SIGNATURE_SIG) {
7487                 u32 off = PCI_FUNC(pdev->devfn) << 2;
7488
7489                 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7490         } else
7491                 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7492
7493         /* Get the permanent MAC address.  First we need to make sure the
7494          * firmware is actually running.
7495          */
7496         reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7497
7498         if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7499             BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7500                 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7501                 rc = -ENODEV;
7502                 goto err_out_unmap;
7503         }
7504
7505         reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7506         for (i = 0, j = 0; i < 3; i++) {
7507                 u8 num, k, skip0;
7508
7509                 num = (u8) (reg >> (24 - (i * 8)));
7510                 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7511                         if (num >= k || !skip0 || k == 1) {
7512                                 bp->fw_version[j++] = (num / k) + '0';
7513                                 skip0 = 0;
7514                         }
7515                 }
7516                 if (i != 2)
7517                         bp->fw_version[j++] = '.';
7518         }
7519         reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
7520         if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7521                 bp->wol = 1;
7522
7523         if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7524                 bp->flags |= BNX2_FLAG_ASF_ENABLE;
7525
7526                 for (i = 0; i < 30; i++) {
7527                         reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7528                         if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7529                                 break;
7530                         msleep(10);
7531                 }
7532         }
7533         reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7534         reg &= BNX2_CONDITION_MFW_RUN_MASK;
7535         if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7536             reg != BNX2_CONDITION_MFW_RUN_NONE) {
7537                 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7538
7539                 bp->fw_version[j++] = ' ';
7540                 for (i = 0; i < 3; i++) {
7541                         reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7542                         reg = swab32(reg);
7543                         memcpy(&bp->fw_version[j], &reg, 4);
7544                         j += 4;
7545                 }
7546         }
7547
7548         reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7549         bp->mac_addr[0] = (u8) (reg >> 8);
7550         bp->mac_addr[1] = (u8) reg;
7551
7552         reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7553         bp->mac_addr[2] = (u8) (reg >> 24);
7554         bp->mac_addr[3] = (u8) (reg >> 16);
7555         bp->mac_addr[4] = (u8) (reg >> 8);
7556         bp->mac_addr[5] = (u8) reg;
7557
7558         bp->tx_ring_size = MAX_TX_DESC_CNT;
7559         bnx2_set_rx_ring_size(bp, 255);
7560
7561         bp->rx_csum = 1;
7562
7563         bp->tx_quick_cons_trip_int = 20;
7564         bp->tx_quick_cons_trip = 20;
7565         bp->tx_ticks_int = 80;
7566         bp->tx_ticks = 80;
7567
7568         bp->rx_quick_cons_trip_int = 6;
7569         bp->rx_quick_cons_trip = 6;
7570         bp->rx_ticks_int = 18;
7571         bp->rx_ticks = 18;
7572
7573         bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7574
7575         bp->current_interval = BNX2_TIMER_INTERVAL;
7576
7577         bp->phy_addr = 1;
7578
7579         /* Disable WOL support if we are running on a SERDES chip. */
7580         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7581                 bnx2_get_5709_media(bp);
7582         else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7583                 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7584
7585         bp->phy_port = PORT_TP;
7586         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7587                 bp->phy_port = PORT_FIBRE;
7588                 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
7589                 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7590                         bp->flags |= BNX2_FLAG_NO_WOL;
7591                         bp->wol = 0;
7592                 }
7593                 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7594                         /* Don't do parallel detect on this board because of
7595                          * some board problems.  The link will not go down
7596                          * if we do parallel detect.
7597                          */
7598                         if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7599                             pdev->subsystem_device == 0x310c)
7600                                 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7601                 } else {
7602                         bp->phy_addr = 2;
7603                         if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7604                                 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
7605                 }
7606         } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7607                    CHIP_NUM(bp) == CHIP_NUM_5708)
7608                 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7609         else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7610                  (CHIP_REV(bp) == CHIP_REV_Ax ||
7611                   CHIP_REV(bp) == CHIP_REV_Bx))
7612                 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7613
7614         bnx2_init_fw_cap(bp);
7615
7616         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7617             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
7618             (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
7619                 bp->flags |= BNX2_FLAG_NO_WOL;
7620                 bp->wol = 0;
7621         }
7622
7623         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7624                 bp->tx_quick_cons_trip_int =
7625                         bp->tx_quick_cons_trip;
7626                 bp->tx_ticks_int = bp->tx_ticks;
7627                 bp->rx_quick_cons_trip_int =
7628                         bp->rx_quick_cons_trip;
7629                 bp->rx_ticks_int = bp->rx_ticks;
7630                 bp->comp_prod_trip_int = bp->comp_prod_trip;
7631                 bp->com_ticks_int = bp->com_ticks;
7632                 bp->cmd_ticks_int = bp->cmd_ticks;
7633         }
7634
7635         /* Disable MSI on 5706 if AMD 8132 bridge is found.
7636          *
7637          * MSI is defined to be 32-bit write.  The 5706 does 64-bit MSI writes
7638          * with byte enables disabled on the unused 32-bit word.  This is legal
7639          * but causes problems on the AMD 8132 which will eventually stop
7640          * responding after a while.
7641          *
7642          * AMD believes this incompatibility is unique to the 5706, and
7643          * prefers to locally disable MSI rather than globally disabling it.
7644          */
7645         if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7646                 struct pci_dev *amd_8132 = NULL;
7647
7648                 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7649                                                   PCI_DEVICE_ID_AMD_8132_BRIDGE,
7650                                                   amd_8132))) {
7651
7652                         if (amd_8132->revision >= 0x10 &&
7653                             amd_8132->revision <= 0x13) {
7654                                 disable_msi = 1;
7655                                 pci_dev_put(amd_8132);
7656                                 break;
7657                         }
7658                 }
7659         }
7660
7661         bnx2_set_default_link(bp);
7662         bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7663
7664         init_timer(&bp->timer);
7665         bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
7666         bp->timer.data = (unsigned long) bp;
7667         bp->timer.function = bnx2_timer;
7668
7669         return 0;
7670
7671 err_out_unmap:
7672         if (bp->regview) {
7673                 iounmap(bp->regview);
7674                 bp->regview = NULL;
7675         }
7676
7677 err_out_release:
7678         pci_release_regions(pdev);
7679
7680 err_out_disable:
7681         pci_disable_device(pdev);
7682         pci_set_drvdata(pdev, NULL);
7683
7684 err_out:
7685         return rc;
7686 }
7687
7688 static char * __devinit
7689 bnx2_bus_string(struct bnx2 *bp, char *str)
7690 {
7691         char *s = str;
7692
7693         if (bp->flags & BNX2_FLAG_PCIE) {
7694                 s += sprintf(s, "PCI Express");
7695         } else {
7696                 s += sprintf(s, "PCI");
7697                 if (bp->flags & BNX2_FLAG_PCIX)
7698                         s += sprintf(s, "-X");
7699                 if (bp->flags & BNX2_FLAG_PCI_32BIT)
7700                         s += sprintf(s, " 32-bit");
7701                 else
7702                         s += sprintf(s, " 64-bit");
7703                 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7704         }
7705         return str;
7706 }
7707
7708 static void __devinit
7709 bnx2_init_napi(struct bnx2 *bp)
7710 {
7711         int i;
7712
7713         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7714                 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
7715                 int (*poll)(struct napi_struct *, int);
7716
7717                 if (i == 0)
7718                         poll = bnx2_poll;
7719                 else
7720                         poll = bnx2_poll_msix;
7721
7722                 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
7723                 bnapi->bp = bp;
7724         }
7725 }
7726
7727 static int __devinit
7728 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7729 {
7730         static int version_printed = 0;
7731         struct net_device *dev = NULL;
7732         struct bnx2 *bp;
7733         int rc;
7734         char str[40];
7735         DECLARE_MAC_BUF(mac);
7736
7737         if (version_printed++ == 0)
7738                 printk(KERN_INFO "%s", version);
7739
7740         /* dev zeroed in init_etherdev */
7741         dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
7742
7743         if (!dev)
7744                 return -ENOMEM;
7745
7746         rc = bnx2_init_board(pdev, dev);
7747         if (rc < 0) {
7748                 free_netdev(dev);
7749                 return rc;
7750         }
7751
7752         dev->open = bnx2_open;
7753         dev->hard_start_xmit = bnx2_start_xmit;
7754         dev->stop = bnx2_close;
7755         dev->get_stats = bnx2_get_stats;
7756         dev->set_rx_mode = bnx2_set_rx_mode;
7757         dev->do_ioctl = bnx2_ioctl;
7758         dev->set_mac_address = bnx2_change_mac_addr;
7759         dev->change_mtu = bnx2_change_mtu;
7760         dev->tx_timeout = bnx2_tx_timeout;
7761         dev->watchdog_timeo = TX_TIMEOUT;
7762 #ifdef BCM_VLAN
7763         dev->vlan_rx_register = bnx2_vlan_rx_register;
7764 #endif
7765         dev->ethtool_ops = &bnx2_ethtool_ops;
7766
7767         bp = netdev_priv(dev);
7768         bnx2_init_napi(bp);
7769
7770 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7771         dev->poll_controller = poll_bnx2;
7772 #endif
7773
7774         pci_set_drvdata(pdev, dev);
7775
7776         memcpy(dev->dev_addr, bp->mac_addr, 6);
7777         memcpy(dev->perm_addr, bp->mac_addr, 6);
7778
7779         dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7780         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7781                 dev->features |= NETIF_F_IPV6_CSUM;
7782
7783 #ifdef BCM_VLAN
7784         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7785 #endif
7786         dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7787         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7788                 dev->features |= NETIF_F_TSO6;
7789
7790         if ((rc = register_netdev(dev))) {
7791                 dev_err(&pdev->dev, "Cannot register net device\n");
7792                 if (bp->regview)
7793                         iounmap(bp->regview);
7794                 pci_release_regions(pdev);
7795                 pci_disable_device(pdev);
7796                 pci_set_drvdata(pdev, NULL);
7797                 free_netdev(dev);
7798                 return rc;
7799         }
7800
7801         printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7802                 "IRQ %d, node addr %s\n",
7803                 dev->name,
7804                 board_info[ent->driver_data].name,
7805                 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7806                 ((CHIP_ID(bp) & 0x0ff0) >> 4),
7807                 bnx2_bus_string(bp, str),
7808                 dev->base_addr,
7809                 bp->pdev->irq, print_mac(mac, dev->dev_addr));
7810
7811         return 0;
7812 }
7813
7814 static void __devexit
7815 bnx2_remove_one(struct pci_dev *pdev)
7816 {
7817         struct net_device *dev = pci_get_drvdata(pdev);
7818         struct bnx2 *bp = netdev_priv(dev);
7819
7820         flush_scheduled_work();
7821
7822         unregister_netdev(dev);
7823
7824         if (bp->regview)
7825                 iounmap(bp->regview);
7826
7827         free_netdev(dev);
7828         pci_release_regions(pdev);
7829         pci_disable_device(pdev);
7830         pci_set_drvdata(pdev, NULL);
7831 }
7832
7833 static int
7834 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7835 {
7836         struct net_device *dev = pci_get_drvdata(pdev);
7837         struct bnx2 *bp = netdev_priv(dev);
7838
7839         /* PCI register 4 needs to be saved whether netif_running() or not.
7840          * MSI address and data need to be saved if using MSI and
7841          * netif_running().
7842          */
7843         pci_save_state(pdev);
7844         if (!netif_running(dev))
7845                 return 0;
7846
7847         flush_scheduled_work();
7848         bnx2_netif_stop(bp);
7849         netif_device_detach(dev);
7850         del_timer_sync(&bp->timer);
7851         bnx2_shutdown_chip(bp);
7852         bnx2_free_skbs(bp);
7853         bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7854         return 0;
7855 }
7856
7857 static int
7858 bnx2_resume(struct pci_dev *pdev)
7859 {
7860         struct net_device *dev = pci_get_drvdata(pdev);
7861         struct bnx2 *bp = netdev_priv(dev);
7862
7863         pci_restore_state(pdev);
7864         if (!netif_running(dev))
7865                 return 0;
7866
7867         bnx2_set_power_state(bp, PCI_D0);
7868         netif_device_attach(dev);
7869         bnx2_init_nic(bp, 1);
7870         bnx2_netif_start(bp);
7871         return 0;
7872 }
7873
7874 /**
7875  * bnx2_io_error_detected - called when PCI error is detected
7876  * @pdev: Pointer to PCI device
7877  * @state: The current pci connection state
7878  *
7879  * This function is called after a PCI bus error affecting
7880  * this device has been detected.
7881  */
7882 static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
7883                                                pci_channel_state_t state)
7884 {
7885         struct net_device *dev = pci_get_drvdata(pdev);
7886         struct bnx2 *bp = netdev_priv(dev);
7887
7888         rtnl_lock();
7889         netif_device_detach(dev);
7890
7891         if (netif_running(dev)) {
7892                 bnx2_netif_stop(bp);
7893                 del_timer_sync(&bp->timer);
7894                 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
7895         }
7896
7897         pci_disable_device(pdev);
7898         rtnl_unlock();
7899
7900         /* Request a slot slot reset. */
7901         return PCI_ERS_RESULT_NEED_RESET;
7902 }
7903
7904 /**
7905  * bnx2_io_slot_reset - called after the pci bus has been reset.
7906  * @pdev: Pointer to PCI device
7907  *
7908  * Restart the card from scratch, as if from a cold-boot.
7909  */
7910 static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
7911 {
7912         struct net_device *dev = pci_get_drvdata(pdev);
7913         struct bnx2 *bp = netdev_priv(dev);
7914
7915         rtnl_lock();
7916         if (pci_enable_device(pdev)) {
7917                 dev_err(&pdev->dev,
7918                         "Cannot re-enable PCI device after reset.\n");
7919                 rtnl_unlock();
7920                 return PCI_ERS_RESULT_DISCONNECT;
7921         }
7922         pci_set_master(pdev);
7923         pci_restore_state(pdev);
7924
7925         if (netif_running(dev)) {
7926                 bnx2_set_power_state(bp, PCI_D0);
7927                 bnx2_init_nic(bp, 1);
7928         }
7929
7930         rtnl_unlock();
7931         return PCI_ERS_RESULT_RECOVERED;
7932 }
7933
7934 /**
7935  * bnx2_io_resume - called when traffic can start flowing again.
7936  * @pdev: Pointer to PCI device
7937  *
7938  * This callback is called when the error recovery driver tells us that
7939  * its OK to resume normal operation.
7940  */
7941 static void bnx2_io_resume(struct pci_dev *pdev)
7942 {
7943         struct net_device *dev = pci_get_drvdata(pdev);
7944         struct bnx2 *bp = netdev_priv(dev);
7945
7946         rtnl_lock();
7947         if (netif_running(dev))
7948                 bnx2_netif_start(bp);
7949
7950         netif_device_attach(dev);
7951         rtnl_unlock();
7952 }
7953
7954 static struct pci_error_handlers bnx2_err_handler = {
7955         .error_detected = bnx2_io_error_detected,
7956         .slot_reset     = bnx2_io_slot_reset,
7957         .resume         = bnx2_io_resume,
7958 };
7959
7960 static struct pci_driver bnx2_pci_driver = {
7961         .name           = DRV_MODULE_NAME,
7962         .id_table       = bnx2_pci_tbl,
7963         .probe          = bnx2_init_one,
7964         .remove         = __devexit_p(bnx2_remove_one),
7965         .suspend        = bnx2_suspend,
7966         .resume         = bnx2_resume,
7967         .err_handler    = &bnx2_err_handler,
7968 };
7969
7970 static int __init bnx2_init(void)
7971 {
7972         return pci_register_driver(&bnx2_pci_driver);
7973 }
7974
7975 static void __exit bnx2_cleanup(void)
7976 {
7977         pci_unregister_driver(&bnx2_pci_driver);
7978 }
7979
7980 module_init(bnx2_init);
7981 module_exit(bnx2_cleanup);
7982
7983
7984