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

   1 /* bnx2.c: Broadcom NX2 network driver.
   2  *
   3  * Copyright (c) 2004-2008 Broadcom Corporation
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation.
   8  *
   9  * Written by: Michael Chan  (mchan@broadcom.com)
  10  */
  11
  12
  13 #include <linux/module.h>
  14 #include <linux/moduleparam.h>
  15
  16 #include <linux/kernel.h>
  17 #include <linux/timer.h>
  18 #include <linux/errno.h>
  19 #include <linux/ioport.h>
  20 #include <linux/slab.h>
  21 #include <linux/vmalloc.h>
  22 #include <linux/interrupt.h>
  23 #include <linux/pci.h>
  24 #include <linux/init.h>
  25 #include <linux/netdevice.h>
  26 #include <linux/etherdevice.h>
  27 #include <linux/skbuff.h>
  28 #include <linux/dma-mapping.h>
  29 #include <linux/bitops.h>
  30 #include <asm/io.h>
  31 #include <asm/irq.h>
  32 #include <linux/delay.h>
  33 #include <asm/byteorder.h>
  34 #include <asm/page.h>
  35 #include <linux/time.h>
  36 #include <linux/ethtool.h>
  37 #include <linux/mii.h>
  38 #ifdef NETIF_F_HW_VLAN_TX
  39 #include <linux/if_vlan.h>
  40 #define BCM_VLAN 1
  41 #endif
  42 #include <net/ip.h>
  43 #include <net/tcp.h>
  44 #include <net/checksum.h>
  45 #include <linux/workqueue.h>
  46 #include <linux/crc32.h>
  47 #include <linux/prefetch.h>
  48 #include <linux/cache.h>
  49 #include <linux/zlib.h>
  50
  51 #include "bnx2.h"
  52 #include "bnx2_fw.h"
  53 #include "bnx2_fw2.h"
  54
  55 #define FW_BUF_SIZE             0x10000
  56
  57 #define DRV_MODULE_NAME         "bnx2"
  58 #define PFX DRV_MODULE_NAME     ": "
  59 #define DRV_MODULE_VERSION      "1.7.4"
  60 #define DRV_MODULE_RELDATE      "February 18, 2008"
  61
  62 #define RUN_AT(x) (jiffies + (x))
  63
  64 /* Time in jiffies before concluding the transmitter is hung. */
  65 #define TX_TIMEOUT  (5*HZ)
  66
  67 static char version[] __devinitdata =
  68         "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  69
  70 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
  71 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
  72 MODULE_LICENSE("GPL");
  73 MODULE_VERSION(DRV_MODULE_VERSION);
  74
  75 static int disable_msi = 0;
  76
  77 module_param(disable_msi, int, 0);
  78 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
  79
  80 typedef enum {
  81         BCM5706 = 0,
  82         NC370T,
  83         NC370I,
  84         BCM5706S,
  85         NC370F,
  86         BCM5708,
  87         BCM5708S,
  88         BCM5709,
  89         BCM5709S,
  90 } board_t;
  91
  92 /* indexed by board_t, above */
  93 static struct {
  94         char *name;
  95 } board_info[] __devinitdata = {
  96         { "Broadcom NetXtreme II BCM5706 1000Base-T" },
  97         { "HP NC370T Multifunction Gigabit Server Adapter" },
  98         { "HP NC370i Multifunction Gigabit Server Adapter" },
  99         { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
 100         { "HP NC370F Multifunction Gigabit Server Adapter" },
 101         { "Broadcom NetXtreme II BCM5708 1000Base-T" },
 102         { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
 103         { "Broadcom NetXtreme II BCM5709 1000Base-T" },
 104         { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
 105         };
 106
 107 static struct pci_device_id bnx2_pci_tbl[] = {
 108         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
 109           PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
 110         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
 111           PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
 112         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
 113           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
 114         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
 115           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
 116         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
 117           PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
 118         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
 119           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
 120         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
 121           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
 122         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
 123           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
 124         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
 125           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
 126         { 0, }
 127 };
 128
 129 static struct flash_spec flash_table[] =
 130 {
 131 #define BUFFERED_FLAGS          (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
 132 #define NONBUFFERED_FLAGS       (BNX2_NV_WREN)
 133         /* Slow EEPROM */
 134         {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
 135          BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
 136          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
 137          "EEPROM - slow"},
 138         /* Expansion entry 0001 */
 139         {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
 140          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 141          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 142          "Entry 0001"},
 143         /* Saifun SA25F010 (non-buffered flash) */
 144         /* strap, cfg1, & write1 need updates */
 145         {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
 146          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 147          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
 148          "Non-buffered flash (128kB)"},
 149         /* Saifun SA25F020 (non-buffered flash) */
 150         /* strap, cfg1, & write1 need updates */
 151         {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
 152          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 153          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
 154          "Non-buffered flash (256kB)"},
 155         /* Expansion entry 0100 */
 156         {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
 157          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 158          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 159          "Entry 0100"},
 160         /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
 161         {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
 162          NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
 163          ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
 164          "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
 165         /* Entry 0110: ST M45PE20 (non-buffered flash)*/
 166         {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
 167          NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
 168          ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
 169          "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
 170         /* Saifun SA25F005 (non-buffered flash) */
 171         /* strap, cfg1, & write1 need updates */
 172         {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
 173          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 174          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
 175          "Non-buffered flash (64kB)"},
 176         /* Fast EEPROM */
 177         {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
 178          BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
 179          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
 180          "EEPROM - fast"},
 181         /* Expansion entry 1001 */
 182         {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
 183          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 184          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 185          "Entry 1001"},
 186         /* Expansion entry 1010 */
 187         {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
 188          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 189          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 190          "Entry 1010"},
 191         /* ATMEL AT45DB011B (buffered flash) */
 192         {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
 193          BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 194          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
 195          "Buffered flash (128kB)"},
 196         /* Expansion entry 1100 */
 197         {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
 198          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 199          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 200          "Entry 1100"},
 201         /* Expansion entry 1101 */
 202         {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
 203          NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 204          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 205          "Entry 1101"},
 206         /* Ateml Expansion entry 1110 */
 207         {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
 208          BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 209          BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
 210          "Entry 1110 (Atmel)"},
 211         /* ATMEL AT45DB021B (buffered flash) */
 212         {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
 213          BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 214          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
 215          "Buffered flash (256kB)"},
 216 };
 217
 218 static struct flash_spec flash_5709 = {
 219         .flags          = BNX2_NV_BUFFERED,
 220         .page_bits      = BCM5709_FLASH_PAGE_BITS,
 221         .page_size      = BCM5709_FLASH_PAGE_SIZE,
 222         .addr_mask      = BCM5709_FLASH_BYTE_ADDR_MASK,
 223         .total_size     = BUFFERED_FLASH_TOTAL_SIZE*2,
 224         .name           = "5709 Buffered flash (256kB)",
 225 };
 226
 227 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
 228
 229 static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_napi *bnapi)
 230 {
 231         u32 diff;
 232
 233         smp_mb();
 234
 235         /* The ring uses 256 indices for 255 entries, one of them
 236          * needs to be skipped.
 237          */
 238         diff = bp->tx_prod - bnapi->tx_cons;
 239         if (unlikely(diff >= TX_DESC_CNT)) {
 240                 diff &= 0xffff;
 241                 if (diff == TX_DESC_CNT)
 242                         diff = MAX_TX_DESC_CNT;
 243         }
 244         return (bp->tx_ring_size - diff);
 245 }
 246
 247 static u32
 248 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
 249 {
 250         u32 val;
 251
 252         spin_lock_bh(&bp->indirect_lock);
 253         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
 254         val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
 255         spin_unlock_bh(&bp->indirect_lock);
 256         return val;
 257 }
 258
 259 static void
 260 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
 261 {
 262         spin_lock_bh(&bp->indirect_lock);
 263         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
 264         REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
 265         spin_unlock_bh(&bp->indirect_lock);
 266 }
 267
 268 static void
 269 bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
 270 {
 271         bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
 272 }
 273
 274 static u32
 275 bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
 276 {
 277         return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
 278 }
 279
 280 static void
 281 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
 282 {
 283         offset += cid_addr;
 284         spin_lock_bh(&bp->indirect_lock);
 285         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
 286                 int i;
 287
 288                 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
 289                 REG_WR(bp, BNX2_CTX_CTX_CTRL,
 290                        offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
 291                 for (i = 0; i < 5; i++) {
 292                         u32 val;
 293                         val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
 294                         if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
 295                                 break;
 296                         udelay(5);
 297                 }
 298         } else {
 299                 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
 300                 REG_WR(bp, BNX2_CTX_DATA, val);
 301         }
 302         spin_unlock_bh(&bp->indirect_lock);
 303 }
 304
 305 static int
 306 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
 307 {
 308         u32 val1;
 309         int i, ret;
 310
 311         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
 312                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 313                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 314
 315                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 316                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 317
 318                 udelay(40);
 319         }
 320
 321         val1 = (bp->phy_addr << 21) | (reg << 16) |
 322                 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
 323                 BNX2_EMAC_MDIO_COMM_START_BUSY;
 324         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
 325
 326         for (i = 0; i < 50; i++) {
 327                 udelay(10);
 328
 329                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 330                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
 331                         udelay(5);
 332
 333                         val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 334                         val1 &= BNX2_EMAC_MDIO_COMM_DATA;
 335
 336                         break;
 337                 }
 338         }
 339
 340         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
 341                 *val = 0x0;
 342                 ret = -EBUSY;
 343         }
 344         else {
 345                 *val = val1;
 346                 ret = 0;
 347         }
 348
 349         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
 350                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 351                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 352
 353                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 354                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 355
 356                 udelay(40);
 357         }
 358
 359         return ret;
 360 }
 361
 362 static int
 363 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
 364 {
 365         u32 val1;
 366         int i, ret;
 367
 368         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
 369                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 370                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 371
 372                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 373                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 374
 375                 udelay(40);
 376         }
 377
 378         val1 = (bp->phy_addr << 21) | (reg << 16) | val |
 379                 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
 380                 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
 381         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
 382
 383         for (i = 0; i < 50; i++) {
 384                 udelay(10);
 385
 386                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 387                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
 388                         udelay(5);
 389                         break;
 390                 }
 391         }
 392
 393         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
 394                 ret = -EBUSY;
 395         else
 396                 ret = 0;
 397
 398         if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
 399                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 400                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 401
 402                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 403                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 404
 405                 udelay(40);
 406         }
 407
 408         return ret;
 409 }
 410
 411 static void
 412 bnx2_disable_int(struct bnx2 *bp)
 413 {
 414         int i;
 415         struct bnx2_napi *bnapi;
 416
 417         for (i = 0; i < bp->irq_nvecs; i++) {
 418                 bnapi = &bp->bnx2_napi[i];
 419                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
 420                        BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
 421         }
 422         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
 423 }
 424
 425 static void
 426 bnx2_enable_int(struct bnx2 *bp)
 427 {
 428         int i;
 429         struct bnx2_napi *bnapi;
 430
 431         for (i = 0; i < bp->irq_nvecs; i++) {
 432                 bnapi = &bp->bnx2_napi[i];
 433
 434                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
 435                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
 436                        BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
 437                        bnapi->last_status_idx);
 438
 439                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
 440                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
 441                        bnapi->last_status_idx);
 442         }
 443         REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
 444 }
 445
 446 static void
 447 bnx2_disable_int_sync(struct bnx2 *bp)
 448 {
 449         int i;
 450
 451         atomic_inc(&bp->intr_sem);
 452         bnx2_disable_int(bp);
 453         for (i = 0; i < bp->irq_nvecs; i++)
 454                 synchronize_irq(bp->irq_tbl[i].vector);
 455 }
 456
 457 static void
 458 bnx2_napi_disable(struct bnx2 *bp)
 459 {
 460         int i;
 461
 462         for (i = 0; i < bp->irq_nvecs; i++)
 463                 napi_disable(&bp->bnx2_napi[i].napi);
 464 }
 465
 466 static void
 467 bnx2_napi_enable(struct bnx2 *bp)
 468 {
 469         int i;
 470
 471         for (i = 0; i < bp->irq_nvecs; i++)
 472                 napi_enable(&bp->bnx2_napi[i].napi);
 473 }
 474
 475 static void
 476 bnx2_netif_stop(struct bnx2 *bp)
 477 {
 478         bnx2_disable_int_sync(bp);
 479         if (netif_running(bp->dev)) {
 480                 bnx2_napi_disable(bp);
 481                 netif_tx_disable(bp->dev);
 482                 bp->dev->trans_start = jiffies; /* prevent tx timeout */
 483         }
 484 }
 485
 486 static void
 487 bnx2_netif_start(struct bnx2 *bp)
 488 {
 489         if (atomic_dec_and_test(&bp->intr_sem)) {
 490                 if (netif_running(bp->dev)) {
 491                         netif_wake_queue(bp->dev);
 492                         bnx2_napi_enable(bp);
 493                         bnx2_enable_int(bp);
 494                 }
 495         }
 496 }
 497
 498 static void
 499 bnx2_free_mem(struct bnx2 *bp)
 500 {
 501         int i;
 502
 503         for (i = 0; i < bp->ctx_pages; i++) {
 504                 if (bp->ctx_blk[i]) {
 505                         pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
 506                                             bp->ctx_blk[i],
 507                                             bp->ctx_blk_mapping[i]);
 508                         bp->ctx_blk[i] = NULL;
 509                 }
 510         }
 511         if (bp->status_blk) {
 512                 pci_free_consistent(bp->pdev, bp->status_stats_size,
 513                                     bp->status_blk, bp->status_blk_mapping);
 514                 bp->status_blk = NULL;
 515                 bp->stats_blk = NULL;
 516         }
 517         if (bp->tx_desc_ring) {
 518                 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
 519                                     bp->tx_desc_ring, bp->tx_desc_mapping);
 520                 bp->tx_desc_ring = NULL;
 521         }
 522         kfree(bp->tx_buf_ring);
 523         bp->tx_buf_ring = NULL;
 524         for (i = 0; i < bp->rx_max_ring; i++) {
 525                 if (bp->rx_desc_ring[i])
 526                         pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
 527                                             bp->rx_desc_ring[i],
 528                                             bp->rx_desc_mapping[i]);
 529                 bp->rx_desc_ring[i] = NULL;
 530         }
 531         vfree(bp->rx_buf_ring);
 532         bp->rx_buf_ring = NULL;
 533         for (i = 0; i < bp->rx_max_pg_ring; i++) {
 534                 if (bp->rx_pg_desc_ring[i])
 535                         pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
 536                                             bp->rx_pg_desc_ring[i],
 537                                             bp->rx_pg_desc_mapping[i]);
 538                 bp->rx_pg_desc_ring[i] = NULL;
 539         }
 540         if (bp->rx_pg_ring)
 541                 vfree(bp->rx_pg_ring);
 542         bp->rx_pg_ring = NULL;
 543 }
 544
 545 static int
 546 bnx2_alloc_mem(struct bnx2 *bp)
 547 {
 548         int i, status_blk_size;
 549
 550         bp->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
 551         if (bp->tx_buf_ring == NULL)
 552                 return -ENOMEM;
 553
 554         bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
 555                                                 &bp->tx_desc_mapping);
 556         if (bp->tx_desc_ring == NULL)
 557                 goto alloc_mem_err;
 558
 559         bp->rx_buf_ring = vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
 560         if (bp->rx_buf_ring == NULL)
 561                 goto alloc_mem_err;
 562
 563         memset(bp->rx_buf_ring, 0, SW_RXBD_RING_SIZE * bp->rx_max_ring);
 564
 565         for (i = 0; i < bp->rx_max_ring; i++) {
 566                 bp->rx_desc_ring[i] =
 567                         pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
 568                                              &bp->rx_desc_mapping[i]);
 569                 if (bp->rx_desc_ring[i] == NULL)
 570                         goto alloc_mem_err;
 571
 572         }
 573
 574         if (bp->rx_pg_ring_size) {
 575                 bp->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
 576                                          bp->rx_max_pg_ring);
 577                 if (bp->rx_pg_ring == NULL)
 578                         goto alloc_mem_err;
 579
 580                 memset(bp->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
 581                        bp->rx_max_pg_ring);
 582         }
 583
 584         for (i = 0; i < bp->rx_max_pg_ring; i++) {
 585                 bp->rx_pg_desc_ring[i] =
 586                         pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
 587                                              &bp->rx_pg_desc_mapping[i]);
 588                 if (bp->rx_pg_desc_ring[i] == NULL)
 589                         goto alloc_mem_err;
 590
 591         }
 592
 593         /* Combine status and statistics blocks into one allocation. */
 594         status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
 595         if (bp->flags & BNX2_FLAG_MSIX_CAP)
 596                 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
 597                                                  BNX2_SBLK_MSIX_ALIGN_SIZE);
 598         bp->status_stats_size = status_blk_size +
 599                                 sizeof(struct statistics_block);
 600
 601         bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
 602                                               &bp->status_blk_mapping);
 603         if (bp->status_blk == NULL)
 604                 goto alloc_mem_err;
 605
 606         memset(bp->status_blk, 0, bp->status_stats_size);
 607
 608         bp->bnx2_napi[0].status_blk = bp->status_blk;
 609         if (bp->flags & BNX2_FLAG_MSIX_CAP) {
 610                 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
 611                         struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
 612
 613                         bnapi->status_blk_msix = (void *)
 614                                 ((unsigned long) bp->status_blk +
 615                                  BNX2_SBLK_MSIX_ALIGN_SIZE * i);
 616                         bnapi->int_num = i << 24;
 617                 }
 618         }
 619
 620         bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
 621                                   status_blk_size);
 622
 623         bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
 624
 625         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
 626                 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
 627                 if (bp->ctx_pages == 0)
 628                         bp->ctx_pages = 1;
 629                 for (i = 0; i < bp->ctx_pages; i++) {
 630                         bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
 631                                                 BCM_PAGE_SIZE,
 632                                                 &bp->ctx_blk_mapping[i]);
 633                         if (bp->ctx_blk[i] == NULL)
 634                                 goto alloc_mem_err;
 635                 }
 636         }
 637         return 0;
 638
 639 alloc_mem_err:
 640         bnx2_free_mem(bp);
 641         return -ENOMEM;
 642 }
 643
 644 static void
 645 bnx2_report_fw_link(struct bnx2 *bp)
 646 {
 647         u32 fw_link_status = 0;
 648
 649         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
 650                 return;
 651
 652         if (bp->link_up) {
 653                 u32 bmsr;
 654
 655                 switch (bp->line_speed) {
 656                 case SPEED_10:
 657                         if (bp->duplex == DUPLEX_HALF)
 658                                 fw_link_status = BNX2_LINK_STATUS_10HALF;
 659                         else
 660                                 fw_link_status = BNX2_LINK_STATUS_10FULL;
 661                         break;
 662                 case SPEED_100:
 663                         if (bp->duplex == DUPLEX_HALF)
 664                                 fw_link_status = BNX2_LINK_STATUS_100HALF;
 665                         else
 666                                 fw_link_status = BNX2_LINK_STATUS_100FULL;
 667                         break;
 668                 case SPEED_1000:
 669                         if (bp->duplex == DUPLEX_HALF)
 670                                 fw_link_status = BNX2_LINK_STATUS_1000HALF;
 671                         else
 672                                 fw_link_status = BNX2_LINK_STATUS_1000FULL;
 673                         break;
 674                 case SPEED_2500:
 675                         if (bp->duplex == DUPLEX_HALF)
 676                                 fw_link_status = BNX2_LINK_STATUS_2500HALF;
 677                         else
 678                                 fw_link_status = BNX2_LINK_STATUS_2500FULL;
 679                         break;
 680                 }
 681
 682                 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
 683
 684                 if (bp->autoneg) {
 685                         fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
 686
 687                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
 688                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
 689
 690                         if (!(bmsr & BMSR_ANEGCOMPLETE) ||
 691                             bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
 692                                 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
 693                         else
 694                                 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
 695                 }
 696         }
 697         else
 698                 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
 699
 700         bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
 701 }
 702
 703 static char *
 704 bnx2_xceiver_str(struct bnx2 *bp)
 705 {
 706         return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
 707                 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
 708                  "Copper"));
 709 }
 710
 711 static void
 712 bnx2_report_link(struct bnx2 *bp)
 713 {
 714         if (bp->link_up) {
 715                 netif_carrier_on(bp->dev);
 716                 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
 717                        bnx2_xceiver_str(bp));
 718
 719                 printk("%d Mbps ", bp->line_speed);
 720
 721                 if (bp->duplex == DUPLEX_FULL)
 722                         printk("full duplex");
 723                 else
 724                         printk("half duplex");
 725
 726                 if (bp->flow_ctrl) {
 727                         if (bp->flow_ctrl & FLOW_CTRL_RX) {
 728                                 printk(", receive ");
 729                                 if (bp->flow_ctrl & FLOW_CTRL_TX)
 730                                         printk("& transmit ");
 731                         }
 732                         else {
 733                                 printk(", transmit ");
 734                         }
 735                         printk("flow control ON");
 736                 }
 737                 printk("\n");
 738         }
 739         else {
 740                 netif_carrier_off(bp->dev);
 741                 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
 742                        bnx2_xceiver_str(bp));
 743         }
 744
 745         bnx2_report_fw_link(bp);
 746 }
 747
 748 static void
 749 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
 750 {
 751         u32 local_adv, remote_adv;
 752
 753         bp->flow_ctrl = 0;
 754         if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
 755                 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
 756
 757                 if (bp->duplex == DUPLEX_FULL) {
 758                         bp->flow_ctrl = bp->req_flow_ctrl;
 759                 }
 760                 return;
 761         }
 762
 763         if (bp->duplex != DUPLEX_FULL) {
 764                 return;
 765         }
 766
 767         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
 768             (CHIP_NUM(bp) == CHIP_NUM_5708)) {
 769                 u32 val;
 770
 771                 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
 772                 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
 773                         bp->flow_ctrl |= FLOW_CTRL_TX;
 774                 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
 775                         bp->flow_ctrl |= FLOW_CTRL_RX;
 776                 return;
 777         }
 778
 779         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
 780         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
 781
 782         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
 783                 u32 new_local_adv = 0;
 784                 u32 new_remote_adv = 0;
 785
 786                 if (local_adv & ADVERTISE_1000XPAUSE)
 787                         new_local_adv |= ADVERTISE_PAUSE_CAP;
 788                 if (local_adv & ADVERTISE_1000XPSE_ASYM)
 789                         new_local_adv |= ADVERTISE_PAUSE_ASYM;
 790                 if (remote_adv & ADVERTISE_1000XPAUSE)
 791                         new_remote_adv |= ADVERTISE_PAUSE_CAP;
 792                 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
 793                         new_remote_adv |= ADVERTISE_PAUSE_ASYM;
 794
 795                 local_adv = new_local_adv;
 796                 remote_adv = new_remote_adv;
 797         }
 798
 799         /* See Table 28B-3 of 802.3ab-1999 spec. */
 800         if (local_adv & ADVERTISE_PAUSE_CAP) {
 801                 if(local_adv & ADVERTISE_PAUSE_ASYM) {
 802                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
 803                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
 804                         }
 805                         else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
 806                                 bp->flow_ctrl = FLOW_CTRL_RX;
 807                         }
 808                 }
 809                 else {
 810                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
 811                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
 812                         }
 813                 }
 814         }
 815         else if (local_adv & ADVERTISE_PAUSE_ASYM) {
 816                 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
 817                         (remote_adv & ADVERTISE_PAUSE_ASYM)) {
 818
 819                         bp->flow_ctrl = FLOW_CTRL_TX;
 820                 }
 821         }
 822 }
 823
 824 static int
 825 bnx2_5709s_linkup(struct bnx2 *bp)
 826 {
 827         u32 val, speed;
 828
 829         bp->link_up = 1;
 830
 831         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
 832         bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
 833         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
 834
 835         if ((bp->autoneg & AUTONEG_SPEED) == 0) {
 836                 bp->line_speed = bp->req_line_speed;
 837                 bp->duplex = bp->req_duplex;
 838                 return 0;
 839         }
 840         speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
 841         switch (speed) {
 842                 case MII_BNX2_GP_TOP_AN_SPEED_10:
 843                         bp->line_speed = SPEED_10;
 844                         break;
 845                 case MII_BNX2_GP_TOP_AN_SPEED_100:
 846                         bp->line_speed = SPEED_100;
 847                         break;
 848                 case MII_BNX2_GP_TOP_AN_SPEED_1G:
 849                 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
 850                         bp->line_speed = SPEED_1000;
 851                         break;
 852                 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
 853                         bp->line_speed = SPEED_2500;
 854                         break;
 855         }
 856         if (val & MII_BNX2_GP_TOP_AN_FD)
 857                 bp->duplex = DUPLEX_FULL;
 858         else
 859                 bp->duplex = DUPLEX_HALF;
 860         return 0;
 861 }
 862
 863 static int
 864 bnx2_5708s_linkup(struct bnx2 *bp)
 865 {
 866         u32 val;
 867
 868         bp->link_up = 1;
 869         bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
 870         switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
 871                 case BCM5708S_1000X_STAT1_SPEED_10:
 872                         bp->line_speed = SPEED_10;
 873                         break;
 874                 case BCM5708S_1000X_STAT1_SPEED_100:
 875                         bp->line_speed = SPEED_100;
 876                         break;
 877                 case BCM5708S_1000X_STAT1_SPEED_1G:
 878                         bp->line_speed = SPEED_1000;
 879                         break;
 880                 case BCM5708S_1000X_STAT1_SPEED_2G5:
 881                         bp->line_speed = SPEED_2500;
 882                         break;
 883         }
 884         if (val & BCM5708S_1000X_STAT1_FD)
 885                 bp->duplex = DUPLEX_FULL;
 886         else
 887                 bp->duplex = DUPLEX_HALF;
 888
 889         return 0;
 890 }
 891
 892 static int
 893 bnx2_5706s_linkup(struct bnx2 *bp)
 894 {
 895         u32 bmcr, local_adv, remote_adv, common;
 896
 897         bp->link_up = 1;
 898         bp->line_speed = SPEED_1000;
 899
 900         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
 901         if (bmcr & BMCR_FULLDPLX) {
 902                 bp->duplex = DUPLEX_FULL;
 903         }
 904         else {
 905                 bp->duplex = DUPLEX_HALF;
 906         }
 907
 908         if (!(bmcr & BMCR_ANENABLE)) {
 909                 return 0;
 910         }
 911
 912         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
 913         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
 914
 915         common = local_adv & remote_adv;
 916         if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
 917
 918                 if (common & ADVERTISE_1000XFULL) {
 919                         bp->duplex = DUPLEX_FULL;
 920                 }
 921                 else {
 922                         bp->duplex = DUPLEX_HALF;
 923                 }
 924         }
 925
 926         return 0;
 927 }
 928
 929 static int
 930 bnx2_copper_linkup(struct bnx2 *bp)
 931 {
 932         u32 bmcr;
 933
 934         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
 935         if (bmcr & BMCR_ANENABLE) {
 936                 u32 local_adv, remote_adv, common;
 937
 938                 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
 939                 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
 940
 941                 common = local_adv & (remote_adv >> 2);
 942                 if (common & ADVERTISE_1000FULL) {
 943                         bp->line_speed = SPEED_1000;
 944                         bp->duplex = DUPLEX_FULL;
 945                 }
 946                 else if (common & ADVERTISE_1000HALF) {
 947                         bp->line_speed = SPEED_1000;
 948                         bp->duplex = DUPLEX_HALF;
 949                 }
 950                 else {
 951                         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
 952                         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
 953
 954                         common = local_adv & remote_adv;
 955                         if (common & ADVERTISE_100FULL) {
 956                                 bp->line_speed = SPEED_100;
 957                                 bp->duplex = DUPLEX_FULL;
 958                         }
 959                         else if (common & ADVERTISE_100HALF) {
 960                                 bp->line_speed = SPEED_100;
 961                                 bp->duplex = DUPLEX_HALF;
 962                         }
 963                         else if (common & ADVERTISE_10FULL) {
 964                                 bp->line_speed = SPEED_10;
 965                                 bp->duplex = DUPLEX_FULL;
 966                         }
 967                         else if (common & ADVERTISE_10HALF) {
 968                                 bp->line_speed = SPEED_10;
 969                                 bp->duplex = DUPLEX_HALF;
 970                         }
 971                         else {
 972                                 bp->line_speed = 0;
 973                                 bp->link_up = 0;
 974                         }
 975                 }
 976         }
 977         else {
 978                 if (bmcr & BMCR_SPEED100) {
 979                         bp->line_speed = SPEED_100;
 980                 }
 981                 else {
 982                         bp->line_speed = SPEED_10;
 983                 }
 984                 if (bmcr & BMCR_FULLDPLX) {
 985                         bp->duplex = DUPLEX_FULL;
 986                 }
 987                 else {
 988                         bp->duplex = DUPLEX_HALF;
 989                 }
 990         }
 991
 992         return 0;
 993 }
 994
 995 static void
 996 bnx2_init_rx_context0(struct bnx2 *bp)
 997 {
 998         u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
 999
1000         val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1001         val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1002         val |= 0x02 << 8;
1003
1004         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1005                 u32 lo_water, hi_water;
1006
1007                 if (bp->flow_ctrl & FLOW_CTRL_TX)
1008                         lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1009                 else
1010                         lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1011                 if (lo_water >= bp->rx_ring_size)
1012                         lo_water = 0;
1013
1014                 hi_water = bp->rx_ring_size / 4;
1015
1016                 if (hi_water <= lo_water)
1017                         lo_water = 0;
1018
1019                 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1020                 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1021
1022                 if (hi_water > 0xf)
1023                         hi_water = 0xf;
1024                 else if (hi_water == 0)
1025                         lo_water = 0;
1026                 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1027         }
1028         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1029 }
1030
1031 static int
1032 bnx2_set_mac_link(struct bnx2 *bp)
1033 {
1034         u32 val;
1035
1036         REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1037         if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1038                 (bp->duplex == DUPLEX_HALF)) {
1039                 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1040         }
1041
1042         /* Configure the EMAC mode register. */
1043         val = REG_RD(bp, BNX2_EMAC_MODE);
1044
1045         val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
1046                 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
1047                 BNX2_EMAC_MODE_25G_MODE);
1048
1049         if (bp->link_up) {
1050                 switch (bp->line_speed) {
1051                         case SPEED_10:
1052                                 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1053                                         val |= BNX2_EMAC_MODE_PORT_MII_10M;
1054                                         break;
1055                                 }
1056                                 /* fall through */
1057                         case SPEED_100:
1058                                 val |= BNX2_EMAC_MODE_PORT_MII;
1059                                 break;
1060                         case SPEED_2500:
1061                                 val |= BNX2_EMAC_MODE_25G_MODE;
1062                                 /* fall through */
1063                         case SPEED_1000:
1064                                 val |= BNX2_EMAC_MODE_PORT_GMII;
1065                                 break;
1066                 }
1067         }
1068         else {
1069                 val |= BNX2_EMAC_MODE_PORT_GMII;
1070         }
1071
1072         /* Set the MAC to operate in the appropriate duplex mode. */
1073         if (bp->duplex == DUPLEX_HALF)
1074                 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1075         REG_WR(bp, BNX2_EMAC_MODE, val);
1076
1077         /* Enable/disable rx PAUSE. */
1078         bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1079
1080         if (bp->flow_ctrl & FLOW_CTRL_RX)
1081                 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1082         REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1083
1084         /* Enable/disable tx PAUSE. */
1085         val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1086         val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1087
1088         if (bp->flow_ctrl & FLOW_CTRL_TX)
1089                 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1090         REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1091
1092         /* Acknowledge the interrupt. */
1093         REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1094
1095         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1096                 bnx2_init_rx_context0(bp);
1097
1098         return 0;
1099 }
1100
1101 static void
1102 bnx2_enable_bmsr1(struct bnx2 *bp)
1103 {
1104         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1105             (CHIP_NUM(bp) == CHIP_NUM_5709))
1106                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1107                                MII_BNX2_BLK_ADDR_GP_STATUS);
1108 }
1109
1110 static void
1111 bnx2_disable_bmsr1(struct bnx2 *bp)
1112 {
1113         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1114             (CHIP_NUM(bp) == CHIP_NUM_5709))
1115                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1116                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1117 }
1118
1119 static int
1120 bnx2_test_and_enable_2g5(struct bnx2 *bp)
1121 {
1122         u32 up1;
1123         int ret = 1;
1124
1125         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1126                 return 0;
1127
1128         if (bp->autoneg & AUTONEG_SPEED)
1129                 bp->advertising |= ADVERTISED_2500baseX_Full;
1130
1131         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1132                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1133
1134         bnx2_read_phy(bp, bp->mii_up1, &up1);
1135         if (!(up1 & BCM5708S_UP1_2G5)) {
1136                 up1 |= BCM5708S_UP1_2G5;
1137                 bnx2_write_phy(bp, bp->mii_up1, up1);
1138                 ret = 0;
1139         }
1140
1141         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1142                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1143                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1144
1145         return ret;
1146 }
1147
1148 static int
1149 bnx2_test_and_disable_2g5(struct bnx2 *bp)
1150 {
1151         u32 up1;
1152         int ret = 0;
1153
1154         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1155                 return 0;
1156
1157         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1158                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1159
1160         bnx2_read_phy(bp, bp->mii_up1, &up1);
1161         if (up1 & BCM5708S_UP1_2G5) {
1162                 up1 &= ~BCM5708S_UP1_2G5;
1163                 bnx2_write_phy(bp, bp->mii_up1, up1);
1164                 ret = 1;
1165         }
1166
1167         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1168                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1169                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1170
1171         return ret;
1172 }
1173
1174 static void
1175 bnx2_enable_forced_2g5(struct bnx2 *bp)
1176 {
1177         u32 bmcr;
1178
1179         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1180                 return;
1181
1182         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1183                 u32 val;
1184
1185                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1186                                MII_BNX2_BLK_ADDR_SERDES_DIG);
1187                 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1188                 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1189                 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1190                 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1191
1192                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1193                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1194                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1195
1196         } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1197                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1198                 bmcr |= BCM5708S_BMCR_FORCE_2500;
1199         }
1200
1201         if (bp->autoneg & AUTONEG_SPEED) {
1202                 bmcr &= ~BMCR_ANENABLE;
1203                 if (bp->req_duplex == DUPLEX_FULL)
1204                         bmcr |= BMCR_FULLDPLX;
1205         }
1206         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1207 }
1208
1209 static void
1210 bnx2_disable_forced_2g5(struct bnx2 *bp)
1211 {
1212         u32 bmcr;
1213
1214         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
1215                 return;
1216
1217         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1218                 u32 val;
1219
1220                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1221                                MII_BNX2_BLK_ADDR_SERDES_DIG);
1222                 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1223                 val &= ~MII_BNX2_SD_MISC1_FORCE;
1224                 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1225
1226                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1227                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1228                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1229
1230         } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1231                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1232                 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1233         }
1234
1235         if (bp->autoneg & AUTONEG_SPEED)
1236                 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1237         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1238 }
1239
1240 static void
1241 bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1242 {
1243         u32 val;
1244
1245         bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1246         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1247         if (start)
1248                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1249         else
1250                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1251 }
1252
1253 static int
1254 bnx2_set_link(struct bnx2 *bp)
1255 {
1256         u32 bmsr;
1257         u8 link_up;
1258
1259         if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1260                 bp->link_up = 1;
1261                 return 0;
1262         }
1263
1264         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1265                 return 0;
1266
1267         link_up = bp->link_up;
1268
1269         bnx2_enable_bmsr1(bp);
1270         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1271         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1272         bnx2_disable_bmsr1(bp);
1273
1274         if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1275             (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1276                 u32 val, an_dbg;
1277
1278                 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
1279                         bnx2_5706s_force_link_dn(bp, 0);
1280                         bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
1281                 }
1282                 val = REG_RD(bp, BNX2_EMAC_STATUS);
1283
1284                 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1285                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1286                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1287
1288                 if ((val & BNX2_EMAC_STATUS_LINK) &&
1289                     !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
1290                         bmsr |= BMSR_LSTATUS;
1291                 else
1292                         bmsr &= ~BMSR_LSTATUS;
1293         }
1294
1295         if (bmsr & BMSR_LSTATUS) {
1296                 bp->link_up = 1;
1297
1298                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1299                         if (CHIP_NUM(bp) == CHIP_NUM_5706)
1300                                 bnx2_5706s_linkup(bp);
1301                         else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1302                                 bnx2_5708s_linkup(bp);
1303                         else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1304                                 bnx2_5709s_linkup(bp);
1305                 }
1306                 else {
1307                         bnx2_copper_linkup(bp);
1308                 }
1309                 bnx2_resolve_flow_ctrl(bp);
1310         }
1311         else {
1312                 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
1313                     (bp->autoneg & AUTONEG_SPEED))
1314                         bnx2_disable_forced_2g5(bp);
1315
1316                 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
1317                         u32 bmcr;
1318
1319                         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1320                         bmcr |= BMCR_ANENABLE;
1321                         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1322
1323                         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1324                 }
1325                 bp->link_up = 0;
1326         }
1327
1328         if (bp->link_up != link_up) {
1329                 bnx2_report_link(bp);
1330         }
1331
1332         bnx2_set_mac_link(bp);
1333
1334         return 0;
1335 }
1336
1337 static int
1338 bnx2_reset_phy(struct bnx2 *bp)
1339 {
1340         int i;
1341         u32 reg;
1342
1343         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1344
1345 #define PHY_RESET_MAX_WAIT 100
1346         for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1347                 udelay(10);
1348
1349                 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1350                 if (!(reg & BMCR_RESET)) {
1351                         udelay(20);
1352                         break;
1353                 }
1354         }
1355         if (i == PHY_RESET_MAX_WAIT) {
1356                 return -EBUSY;
1357         }
1358         return 0;
1359 }
1360
1361 static u32
1362 bnx2_phy_get_pause_adv(struct bnx2 *bp)
1363 {
1364         u32 adv = 0;
1365
1366         if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1367                 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1368
1369                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1370                         adv = ADVERTISE_1000XPAUSE;
1371                 }
1372                 else {
1373                         adv = ADVERTISE_PAUSE_CAP;
1374                 }
1375         }
1376         else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1377                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1378                         adv = ADVERTISE_1000XPSE_ASYM;
1379                 }
1380                 else {
1381                         adv = ADVERTISE_PAUSE_ASYM;
1382                 }
1383         }
1384         else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1385                 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1386                         adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1387                 }
1388                 else {
1389                         adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1390                 }
1391         }
1392         return adv;
1393 }
1394
1395 static int bnx2_fw_sync(struct bnx2 *, u32, int);
1396
1397 static int
1398 bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
1399 {
1400         u32 speed_arg = 0, pause_adv;
1401
1402         pause_adv = bnx2_phy_get_pause_adv(bp);
1403
1404         if (bp->autoneg & AUTONEG_SPEED) {
1405                 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1406                 if (bp->advertising & ADVERTISED_10baseT_Half)
1407                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1408                 if (bp->advertising & ADVERTISED_10baseT_Full)
1409                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1410                 if (bp->advertising & ADVERTISED_100baseT_Half)
1411                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1412                 if (bp->advertising & ADVERTISED_100baseT_Full)
1413                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1414                 if (bp->advertising & ADVERTISED_1000baseT_Full)
1415                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1416                 if (bp->advertising & ADVERTISED_2500baseX_Full)
1417                         speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1418         } else {
1419                 if (bp->req_line_speed == SPEED_2500)
1420                         speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1421                 else if (bp->req_line_speed == SPEED_1000)
1422                         speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1423                 else if (bp->req_line_speed == SPEED_100) {
1424                         if (bp->req_duplex == DUPLEX_FULL)
1425                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1426                         else
1427                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1428                 } else if (bp->req_line_speed == SPEED_10) {
1429                         if (bp->req_duplex == DUPLEX_FULL)
1430                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1431                         else
1432                                 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1433                 }
1434         }
1435
1436         if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1437                 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
1438         if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
1439                 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1440
1441         if (port == PORT_TP)
1442                 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1443                              BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1444
1445         bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
1446
1447         spin_unlock_bh(&bp->phy_lock);
1448         bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
1449         spin_lock_bh(&bp->phy_lock);
1450
1451         return 0;
1452 }
1453
1454 static int
1455 bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1456 {
1457         u32 adv, bmcr;
1458         u32 new_adv = 0;
1459
1460         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
1461                 return (bnx2_setup_remote_phy(bp, port));
1462
1463         if (!(bp->autoneg & AUTONEG_SPEED)) {
1464                 u32 new_bmcr;
1465                 int force_link_down = 0;
1466
1467                 if (bp->req_line_speed == SPEED_2500) {
1468                         if (!bnx2_test_and_enable_2g5(bp))
1469                                 force_link_down = 1;
1470                 } else if (bp->req_line_speed == SPEED_1000) {
1471                         if (bnx2_test_and_disable_2g5(bp))
1472                                 force_link_down = 1;
1473                 }
1474                 bnx2_read_phy(bp, bp->mii_adv, &adv);
1475                 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1476
1477                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1478                 new_bmcr = bmcr & ~BMCR_ANENABLE;
1479                 new_bmcr |= BMCR_SPEED1000;
1480
1481                 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1482                         if (bp->req_line_speed == SPEED_2500)
1483                                 bnx2_enable_forced_2g5(bp);
1484                         else if (bp->req_line_speed == SPEED_1000) {
1485                                 bnx2_disable_forced_2g5(bp);
1486                                 new_bmcr &= ~0x2000;
1487                         }
1488
1489                 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1490                         if (bp->req_line_speed == SPEED_2500)
1491                                 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1492                         else
1493                                 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
1494                 }
1495
1496                 if (bp->req_duplex == DUPLEX_FULL) {
1497                         adv |= ADVERTISE_1000XFULL;
1498                         new_bmcr |= BMCR_FULLDPLX;
1499                 }
1500                 else {
1501                         adv |= ADVERTISE_1000XHALF;
1502                         new_bmcr &= ~BMCR_FULLDPLX;
1503                 }
1504                 if ((new_bmcr != bmcr) || (force_link_down)) {
1505                         /* Force a link down visible on the other side */
1506                         if (bp->link_up) {
1507                                 bnx2_write_phy(bp, bp->mii_adv, adv &
1508                                                ~(ADVERTISE_1000XFULL |
1509                                                  ADVERTISE_1000XHALF));
1510                                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1511                                         BMCR_ANRESTART | BMCR_ANENABLE);
1512
1513                                 bp->link_up = 0;
1514                                 netif_carrier_off(bp->dev);
1515                                 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1516                                 bnx2_report_link(bp);
1517                         }
1518                         bnx2_write_phy(bp, bp->mii_adv, adv);
1519                         bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1520                 } else {
1521                         bnx2_resolve_flow_ctrl(bp);
1522                         bnx2_set_mac_link(bp);
1523                 }
1524                 return 0;
1525         }
1526
1527         bnx2_test_and_enable_2g5(bp);
1528
1529         if (bp->advertising & ADVERTISED_1000baseT_Full)
1530                 new_adv |= ADVERTISE_1000XFULL;
1531
1532         new_adv |= bnx2_phy_get_pause_adv(bp);
1533
1534         bnx2_read_phy(bp, bp->mii_adv, &adv);
1535         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1536
1537         bp->serdes_an_pending = 0;
1538         if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1539                 /* Force a link down visible on the other side */
1540                 if (bp->link_up) {
1541                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1542                         spin_unlock_bh(&bp->phy_lock);
1543                         msleep(20);
1544                         spin_lock_bh(&bp->phy_lock);
1545                 }
1546
1547                 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1548                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1549                         BMCR_ANENABLE);
1550                 /* Speed up link-up time when the link partner
1551                  * does not autonegotiate which is very common
1552                  * in blade servers. Some blade servers use
1553                  * IPMI for kerboard input and it's important
1554                  * to minimize link disruptions. Autoneg. involves
1555                  * exchanging base pages plus 3 next pages and
1556                  * normally completes in about 120 msec.
1557                  */
1558                 bp->current_interval = SERDES_AN_TIMEOUT;
1559                 bp->serdes_an_pending = 1;
1560                 mod_timer(&bp->timer, jiffies + bp->current_interval);
1561         } else {
1562                 bnx2_resolve_flow_ctrl(bp);
1563                 bnx2_set_mac_link(bp);
1564         }
1565
1566         return 0;
1567 }
1568
1569 #define ETHTOOL_ALL_FIBRE_SPEED                                         \
1570         (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ?                  \
1571                 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1572                 (ADVERTISED_1000baseT_Full)
1573
1574 #define ETHTOOL_ALL_COPPER_SPEED                                        \
1575         (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |            \
1576         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |           \
1577         ADVERTISED_1000baseT_Full)
1578
1579 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1580         ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1581
1582 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1583
1584 static void
1585 bnx2_set_default_remote_link(struct bnx2 *bp)
1586 {
1587         u32 link;
1588
1589         if (bp->phy_port == PORT_TP)
1590                 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
1591         else
1592                 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
1593
1594         if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1595                 bp->req_line_speed = 0;
1596                 bp->autoneg |= AUTONEG_SPEED;
1597                 bp->advertising = ADVERTISED_Autoneg;
1598                 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1599                         bp->advertising |= ADVERTISED_10baseT_Half;
1600                 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1601                         bp->advertising |= ADVERTISED_10baseT_Full;
1602                 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1603                         bp->advertising |= ADVERTISED_100baseT_Half;
1604                 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1605                         bp->advertising |= ADVERTISED_100baseT_Full;
1606                 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1607                         bp->advertising |= ADVERTISED_1000baseT_Full;
1608                 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1609                         bp->advertising |= ADVERTISED_2500baseX_Full;
1610         } else {
1611                 bp->autoneg = 0;
1612                 bp->advertising = 0;
1613                 bp->req_duplex = DUPLEX_FULL;
1614                 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1615                         bp->req_line_speed = SPEED_10;
1616                         if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1617                                 bp->req_duplex = DUPLEX_HALF;
1618                 }
1619                 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1620                         bp->req_line_speed = SPEED_100;
1621                         if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1622                                 bp->req_duplex = DUPLEX_HALF;
1623                 }
1624                 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1625                         bp->req_line_speed = SPEED_1000;
1626                 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1627                         bp->req_line_speed = SPEED_2500;
1628         }
1629 }
1630
1631 static void
1632 bnx2_set_default_link(struct bnx2 *bp)
1633 {
1634         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1635                 bnx2_set_default_remote_link(bp);
1636                 return;
1637         }
1638
1639         bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1640         bp->req_line_speed = 0;
1641         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1642                 u32 reg;
1643
1644                 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1645
1646                 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
1647                 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1648                 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1649                         bp->autoneg = 0;
1650                         bp->req_line_speed = bp->line_speed = SPEED_1000;
1651                         bp->req_duplex = DUPLEX_FULL;
1652                 }
1653         } else
1654                 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1655 }
1656
1657 static void
1658 bnx2_send_heart_beat(struct bnx2 *bp)
1659 {
1660         u32 msg;
1661         u32 addr;
1662
1663         spin_lock(&bp->indirect_lock);
1664         msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1665         addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1666         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1667         REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1668         spin_unlock(&bp->indirect_lock);
1669 }
1670
1671 static void
1672 bnx2_remote_phy_event(struct bnx2 *bp)
1673 {
1674         u32 msg;
1675         u8 link_up = bp->link_up;
1676         u8 old_port;
1677
1678         msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
1679
1680         if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1681                 bnx2_send_heart_beat(bp);
1682
1683         msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1684
1685         if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1686                 bp->link_up = 0;
1687         else {
1688                 u32 speed;
1689
1690                 bp->link_up = 1;
1691                 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1692                 bp->duplex = DUPLEX_FULL;
1693                 switch (speed) {
1694                         case BNX2_LINK_STATUS_10HALF:
1695                                 bp->duplex = DUPLEX_HALF;
1696                         case BNX2_LINK_STATUS_10FULL:
1697                                 bp->line_speed = SPEED_10;
1698                                 break;
1699                         case BNX2_LINK_STATUS_100HALF:
1700                                 bp->duplex = DUPLEX_HALF;
1701                         case BNX2_LINK_STATUS_100BASE_T4:
1702                         case BNX2_LINK_STATUS_100FULL:
1703                                 bp->line_speed = SPEED_100;
1704                                 break;
1705                         case BNX2_LINK_STATUS_1000HALF:
1706                                 bp->duplex = DUPLEX_HALF;
1707                         case BNX2_LINK_STATUS_1000FULL:
1708                                 bp->line_speed = SPEED_1000;
1709                                 break;
1710                         case BNX2_LINK_STATUS_2500HALF:
1711                                 bp->duplex = DUPLEX_HALF;
1712                         case BNX2_LINK_STATUS_2500FULL:
1713                                 bp->line_speed = SPEED_2500;
1714                                 break;
1715                         default:
1716                                 bp->line_speed = 0;
1717                                 break;
1718                 }
1719
1720                 bp->flow_ctrl = 0;
1721                 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1722                     (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1723                         if (bp->duplex == DUPLEX_FULL)
1724                                 bp->flow_ctrl = bp->req_flow_ctrl;
1725                 } else {
1726                         if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1727                                 bp->flow_ctrl |= FLOW_CTRL_TX;
1728                         if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1729                                 bp->flow_ctrl |= FLOW_CTRL_RX;
1730                 }
1731
1732                 old_port = bp->phy_port;
1733                 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
1734                         bp->phy_port = PORT_FIBRE;
1735                 else
1736                         bp->phy_port = PORT_TP;
1737
1738                 if (old_port != bp->phy_port)
1739                         bnx2_set_default_link(bp);
1740
1741         }
1742         if (bp->link_up != link_up)
1743                 bnx2_report_link(bp);
1744
1745         bnx2_set_mac_link(bp);
1746 }
1747
1748 static int
1749 bnx2_set_remote_link(struct bnx2 *bp)
1750 {
1751         u32 evt_code;
1752
1753         evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
1754         switch (evt_code) {
1755                 case BNX2_FW_EVT_CODE_LINK_EVENT:
1756                         bnx2_remote_phy_event(bp);
1757                         break;
1758                 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
1759                 default:
1760                         bnx2_send_heart_beat(bp);
1761                         break;
1762         }
1763         return 0;
1764 }
1765
1766 static int
1767 bnx2_setup_copper_phy(struct bnx2 *bp)
1768 {
1769         u32 bmcr;
1770         u32 new_bmcr;
1771
1772         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1773
1774         if (bp->autoneg & AUTONEG_SPEED) {
1775                 u32 adv_reg, adv1000_reg;
1776                 u32 new_adv_reg = 0;
1777                 u32 new_adv1000_reg = 0;
1778
1779                 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1780                 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1781                         ADVERTISE_PAUSE_ASYM);
1782
1783                 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1784                 adv1000_reg &= PHY_ALL_1000_SPEED;
1785
1786                 if (bp->advertising & ADVERTISED_10baseT_Half)
1787                         new_adv_reg |= ADVERTISE_10HALF;
1788                 if (bp->advertising & ADVERTISED_10baseT_Full)
1789                         new_adv_reg |= ADVERTISE_10FULL;
1790                 if (bp->advertising & ADVERTISED_100baseT_Half)
1791                         new_adv_reg |= ADVERTISE_100HALF;
1792                 if (bp->advertising & ADVERTISED_100baseT_Full)
1793                         new_adv_reg |= ADVERTISE_100FULL;
1794                 if (bp->advertising & ADVERTISED_1000baseT_Full)
1795                         new_adv1000_reg |= ADVERTISE_1000FULL;
1796
1797                 new_adv_reg |= ADVERTISE_CSMA;
1798
1799                 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1800
1801                 if ((adv1000_reg != new_adv1000_reg) ||
1802                         (adv_reg != new_adv_reg) ||
1803                         ((bmcr & BMCR_ANENABLE) == 0)) {
1804
1805                         bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1806                         bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1807                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1808                                 BMCR_ANENABLE);
1809                 }
1810                 else if (bp->link_up) {
1811                         /* Flow ctrl may have changed from auto to forced */
1812                         /* or vice-versa. */
1813
1814                         bnx2_resolve_flow_ctrl(bp);
1815                         bnx2_set_mac_link(bp);
1816                 }
1817                 return 0;
1818         }
1819
1820         new_bmcr = 0;
1821         if (bp->req_line_speed == SPEED_100) {
1822                 new_bmcr |= BMCR_SPEED100;
1823         }
1824         if (bp->req_duplex == DUPLEX_FULL) {
1825                 new_bmcr |= BMCR_FULLDPLX;
1826         }
1827         if (new_bmcr != bmcr) {
1828                 u32 bmsr;
1829
1830                 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1831                 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1832
1833                 if (bmsr & BMSR_LSTATUS) {
1834                         /* Force link down */
1835                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1836                         spin_unlock_bh(&bp->phy_lock);
1837                         msleep(50);
1838                         spin_lock_bh(&bp->phy_lock);
1839
1840                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1841                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1842                 }
1843
1844                 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1845
1846                 /* Normally, the new speed is setup after the link has
1847                  * gone down and up again. In some cases, link will not go
1848                  * down so we need to set up the new speed here.
1849                  */
1850                 if (bmsr & BMSR_LSTATUS) {
1851                         bp->line_speed = bp->req_line_speed;
1852                         bp->duplex = bp->req_duplex;
1853                         bnx2_resolve_flow_ctrl(bp);
1854                         bnx2_set_mac_link(bp);
1855                 }
1856         } else {
1857                 bnx2_resolve_flow_ctrl(bp);
1858                 bnx2_set_mac_link(bp);
1859         }
1860         return 0;
1861 }
1862
1863 static int
1864 bnx2_setup_phy(struct bnx2 *bp, u8 port)
1865 {
1866         if (bp->loopback == MAC_LOOPBACK)
1867                 return 0;
1868
1869         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
1870                 return (bnx2_setup_serdes_phy(bp, port));
1871         }
1872         else {
1873                 return (bnx2_setup_copper_phy(bp));
1874         }
1875 }
1876
1877 static int
1878 bnx2_init_5709s_phy(struct bnx2 *bp)
1879 {
1880         u32 val;
1881
1882         bp->mii_bmcr = MII_BMCR + 0x10;
1883         bp->mii_bmsr = MII_BMSR + 0x10;
1884         bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1885         bp->mii_adv = MII_ADVERTISE + 0x10;
1886         bp->mii_lpa = MII_LPA + 0x10;
1887         bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1888
1889         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1890         bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1891
1892         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1893         bnx2_reset_phy(bp);
1894
1895         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1896
1897         bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1898         val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1899         val |= MII_BNX2_SD_1000XCTL1_FIBER;
1900         bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1901
1902         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1903         bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
1904         if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
1905                 val |= BCM5708S_UP1_2G5;
1906         else
1907                 val &= ~BCM5708S_UP1_2G5;
1908         bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
1909
1910         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
1911         bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
1912         val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
1913         bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
1914
1915         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
1916
1917         val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
1918               MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
1919         bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
1920
1921         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1922
1923         return 0;
1924 }
1925
1926 static int
1927 bnx2_init_5708s_phy(struct bnx2 *bp)
1928 {
1929         u32 val;
1930
1931         bnx2_reset_phy(bp);
1932
1933         bp->mii_up1 = BCM5708S_UP1;
1934
1935         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1936         bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1937         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1938
1939         bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1940         val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1941         bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1942
1943         bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1944         val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1945         bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1946
1947         if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
1948                 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1949                 val |= BCM5708S_UP1_2G5;
1950                 bnx2_write_phy(bp, BCM5708S_UP1, val);
1951         }
1952
1953         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
1954             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
1955             (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
1956                 /* increase tx signal amplitude */
1957                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1958                                BCM5708S_BLK_ADDR_TX_MISC);
1959                 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1960                 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1961                 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1962                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1963         }
1964
1965         val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
1966               BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1967
1968         if (val) {
1969                 u32 is_backplane;
1970
1971                 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
1972                 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1973                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1974                                        BCM5708S_BLK_ADDR_TX_MISC);
1975                         bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1976                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1977                                        BCM5708S_BLK_ADDR_DIG);
1978                 }
1979         }
1980         return 0;
1981 }
1982
1983 static int
1984 bnx2_init_5706s_phy(struct bnx2 *bp)
1985 {
1986         bnx2_reset_phy(bp);
1987
1988         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
1989
1990         if (CHIP_NUM(bp) == CHIP_NUM_5706)
1991                 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
1992
1993         if (bp->dev->mtu > 1500) {
1994                 u32 val;
1995
1996                 /* Set extended packet length bit */
1997                 bnx2_write_phy(bp, 0x18, 0x7);
1998                 bnx2_read_phy(bp, 0x18, &val);
1999                 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2000
2001                 bnx2_write_phy(bp, 0x1c, 0x6c00);
2002                 bnx2_read_phy(bp, 0x1c, &val);
2003                 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2004         }
2005         else {
2006                 u32 val;
2007
2008                 bnx2_write_phy(bp, 0x18, 0x7);
2009                 bnx2_read_phy(bp, 0x18, &val);
2010                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2011
2012                 bnx2_write_phy(bp, 0x1c, 0x6c00);
2013                 bnx2_read_phy(bp, 0x1c, &val);
2014                 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2015         }
2016
2017         return 0;
2018 }
2019
2020 static int
2021 bnx2_init_copper_phy(struct bnx2 *bp)
2022 {
2023         u32 val;
2024
2025         bnx2_reset_phy(bp);
2026
2027         if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
2028                 bnx2_write_phy(bp, 0x18, 0x0c00);
2029                 bnx2_write_phy(bp, 0x17, 0x000a);
2030                 bnx2_write_phy(bp, 0x15, 0x310b);
2031                 bnx2_write_phy(bp, 0x17, 0x201f);
2032                 bnx2_write_phy(bp, 0x15, 0x9506);
2033                 bnx2_write_phy(bp, 0x17, 0x401f);
2034                 bnx2_write_phy(bp, 0x15, 0x14e2);
2035                 bnx2_write_phy(bp, 0x18, 0x0400);
2036         }
2037
2038         if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
2039                 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2040                                MII_BNX2_DSP_EXPAND_REG | 0x8);
2041                 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2042                 val &= ~(1 << 8);
2043                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2044         }
2045
2046         if (bp->dev->mtu > 1500) {
2047                 /* Set extended packet length bit */
2048                 bnx2_write_phy(bp, 0x18, 0x7);
2049                 bnx2_read_phy(bp, 0x18, &val);
2050                 bnx2_write_phy(bp, 0x18, val | 0x4000);
2051
2052                 bnx2_read_phy(bp, 0x10, &val);
2053                 bnx2_write_phy(bp, 0x10, val | 0x1);
2054         }
2055         else {
2056                 bnx2_write_phy(bp, 0x18, 0x7);
2057                 bnx2_read_phy(bp, 0x18, &val);
2058                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2059
2060                 bnx2_read_phy(bp, 0x10, &val);
2061                 bnx2_write_phy(bp, 0x10, val & ~0x1);
2062         }
2063
2064         /* ethernet@wirespeed */
2065         bnx2_write_phy(bp, 0x18, 0x7007);
2066         bnx2_read_phy(bp, 0x18, &val);
2067         bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
2068         return 0;
2069 }
2070
2071
2072 static int
2073 bnx2_init_phy(struct bnx2 *bp)
2074 {
2075         u32 val;
2076         int rc = 0;
2077
2078         bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2079         bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
2080
2081         bp->mii_bmcr = MII_BMCR;
2082         bp->mii_bmsr = MII_BMSR;
2083         bp->mii_bmsr1 = MII_BMSR;
2084         bp->mii_adv = MII_ADVERTISE;
2085         bp->mii_lpa = MII_LPA;
2086
2087         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2088
2089         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
2090                 goto setup_phy;
2091
2092         bnx2_read_phy(bp, MII_PHYSID1, &val);
2093         bp->phy_id = val << 16;
2094         bnx2_read_phy(bp, MII_PHYSID2, &val);
2095         bp->phy_id |= val & 0xffff;
2096
2097         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
2098                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2099                         rc = bnx2_init_5706s_phy(bp);
2100                 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
2101                         rc = bnx2_init_5708s_phy(bp);
2102                 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
2103                         rc = bnx2_init_5709s_phy(bp);
2104         }
2105         else {
2106                 rc = bnx2_init_copper_phy(bp);
2107         }
2108
2109 setup_phy:
2110         if (!rc)
2111                 rc = bnx2_setup_phy(bp, bp->phy_port);
2112
2113         return rc;
2114 }
2115
2116 static int
2117 bnx2_set_mac_loopback(struct bnx2 *bp)
2118 {
2119         u32 mac_mode;
2120
2121         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2122         mac_mode &= ~BNX2_EMAC_MODE_PORT;
2123         mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2124         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2125         bp->link_up = 1;
2126         return 0;
2127 }
2128
2129 static int bnx2_test_link(struct bnx2 *);
2130
2131 static int
2132 bnx2_set_phy_loopback(struct bnx2 *bp)
2133 {
2134         u32 mac_mode;
2135         int rc, i;
2136
2137         spin_lock_bh(&bp->phy_lock);
2138         rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
2139                             BMCR_SPEED1000);
2140         spin_unlock_bh(&bp->phy_lock);
2141         if (rc)
2142                 return rc;
2143
2144         for (i = 0; i < 10; i++) {
2145                 if (bnx2_test_link(bp) == 0)
2146                         break;
2147                 msleep(100);
2148         }
2149
2150         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2151         mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2152                       BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
2153                       BNX2_EMAC_MODE_25G_MODE);
2154
2155         mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2156         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2157         bp->link_up = 1;
2158         return 0;
2159 }
2160
2161 static int
2162 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
2163 {
2164         int i;
2165         u32 val;
2166
2167         bp->fw_wr_seq++;
2168         msg_data |= bp->fw_wr_seq;
2169
2170         bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2171
2172         /* wait for an acknowledgement. */
2173         for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
2174                 msleep(10);
2175
2176                 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
2177
2178                 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2179                         break;
2180         }
2181         if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2182                 return 0;
2183
2184         /* If we timed out, inform the firmware that this is the case. */
2185         if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2186                 if (!silent)
2187                         printk(KERN_ERR PFX "fw sync timeout, reset code = "
2188                                             "%x\n", msg_data);
2189
2190                 msg_data &= ~BNX2_DRV_MSG_CODE;
2191                 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2192
2193                 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
2194
2195                 return -EBUSY;
2196         }
2197
2198         if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2199                 return -EIO;
2200
2201         return 0;
2202 }
2203
2204 static int
2205 bnx2_init_5709_context(struct bnx2 *bp)
2206 {
2207         int i, ret = 0;
2208         u32 val;
2209
2210         val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2211         val |= (BCM_PAGE_BITS - 8) << 16;
2212         REG_WR(bp, BNX2_CTX_COMMAND, val);
2213         for (i = 0; i < 10; i++) {
2214                 val = REG_RD(bp, BNX2_CTX_COMMAND);
2215                 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2216                         break;
2217                 udelay(2);
2218         }
2219         if (val & BNX2_CTX_COMMAND_MEM_INIT)
2220                 return -EBUSY;
2221
2222         for (i = 0; i < bp->ctx_pages; i++) {
2223                 int j;
2224
2225                 if (bp->ctx_blk[i])
2226                         memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2227                 else
2228                         return -ENOMEM;
2229
2230                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2231                        (bp->ctx_blk_mapping[i] & 0xffffffff) |
2232                        BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2233                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2234                        (u64) bp->ctx_blk_mapping[i] >> 32);
2235                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2236                        BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2237                 for (j = 0; j < 10; j++) {
2238
2239                         val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2240                         if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2241                                 break;
2242                         udelay(5);
2243                 }
2244                 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2245                         ret = -EBUSY;
2246                         break;
2247                 }
2248         }
2249         return ret;
2250 }
2251
2252 static void
2253 bnx2_init_context(struct bnx2 *bp)
2254 {
2255         u32 vcid;
2256
2257         vcid = 96;
2258         while (vcid) {
2259                 u32 vcid_addr, pcid_addr, offset;
2260                 int i;
2261
2262                 vcid--;
2263
2264                 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2265                         u32 new_vcid;
2266
2267                         vcid_addr = GET_PCID_ADDR(vcid);
2268                         if (vcid & 0x8) {
2269                                 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2270                         }
2271                         else {
2272                                 new_vcid = vcid;
2273                         }
2274                         pcid_addr = GET_PCID_ADDR(new_vcid);
2275                 }
2276                 else {
2277                         vcid_addr = GET_CID_ADDR(vcid);
2278                         pcid_addr = vcid_addr;
2279                 }
2280
2281                 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2282                         vcid_addr += (i << PHY_CTX_SHIFT);
2283                         pcid_addr += (i << PHY_CTX_SHIFT);
2284
2285                         REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2286                         REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2287
2288                         /* Zero out the context. */
2289                         for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2290                                 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
2291                 }
2292         }
2293 }
2294
2295 static int
2296 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2297 {
2298         u16 *good_mbuf;
2299         u32 good_mbuf_cnt;
2300         u32 val;
2301
2302         good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2303         if (good_mbuf == NULL) {
2304                 printk(KERN_ERR PFX "Failed to allocate memory in "
2305                                     "bnx2_alloc_bad_rbuf\n");
2306                 return -ENOMEM;
2307         }
2308
2309         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2310                 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2311
2312         good_mbuf_cnt = 0;
2313
2314         /* Allocate a bunch of mbufs and save the good ones in an array. */
2315         val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2316         while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
2317                 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2318                                 BNX2_RBUF_COMMAND_ALLOC_REQ);
2319
2320                 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
2321
2322                 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2323
2324                 /* The addresses with Bit 9 set are bad memory blocks. */
2325                 if (!(val & (1 << 9))) {
2326                         good_mbuf[good_mbuf_cnt] = (u16) val;
2327                         good_mbuf_cnt++;
2328                 }
2329
2330                 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
2331         }
2332
2333         /* Free the good ones back to the mbuf pool thus discarding
2334          * all the bad ones. */
2335         while (good_mbuf_cnt) {
2336                 good_mbuf_cnt--;
2337
2338                 val = good_mbuf[good_mbuf_cnt];
2339                 val = (val << 9) | val | 1;
2340
2341                 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
2342         }
2343         kfree(good_mbuf);
2344         return 0;
2345 }
2346
2347 static void
2348 bnx2_set_mac_addr(struct bnx2 *bp)
2349 {
2350         u32 val;
2351         u8 *mac_addr = bp->dev->dev_addr;
2352
2353         val = (mac_addr[0] << 8) | mac_addr[1];
2354
2355         REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
2356
2357         val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2358                 (mac_addr[4] << 8) | mac_addr[5];
2359
2360         REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
2361 }
2362
2363 static inline int
2364 bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
2365 {
2366         dma_addr_t mapping;
2367         struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2368         struct rx_bd *rxbd =
2369                 &bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
2370         struct page *page = alloc_page(GFP_ATOMIC);
2371
2372         if (!page)
2373                 return -ENOMEM;
2374         mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2375                                PCI_DMA_FROMDEVICE);
2376         rx_pg->page = page;
2377         pci_unmap_addr_set(rx_pg, mapping, mapping);
2378         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2379         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2380         return 0;
2381 }
2382
2383 static void
2384 bnx2_free_rx_page(struct bnx2 *bp, u16 index)
2385 {
2386         struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
2387         struct page *page = rx_pg->page;
2388
2389         if (!page)
2390                 return;
2391
2392         pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
2393                        PCI_DMA_FROMDEVICE);
2394
2395         __free_page(page);
2396         rx_pg->page = NULL;
2397 }
2398
2399 static inline int
2400 bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
2401 {
2402         struct sk_buff *skb;
2403         struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
2404         dma_addr_t mapping;
2405         struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2406         unsigned long align;
2407
2408         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2409         if (skb == NULL) {
2410                 return -ENOMEM;
2411         }
2412
2413         if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2414                 skb_reserve(skb, BNX2_RX_ALIGN - align);
2415
2416         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2417                 PCI_DMA_FROMDEVICE);
2418
2419         rx_buf->skb = skb;
2420         pci_unmap_addr_set(rx_buf, mapping, mapping);
2421
2422         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2423         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2424
2425         bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2426
2427         return 0;
2428 }
2429
2430 static int
2431 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
2432 {
2433         struct status_block *sblk = bnapi->status_blk;
2434         u32 new_link_state, old_link_state;
2435         int is_set = 1;
2436
2437         new_link_state = sblk->status_attn_bits & event;
2438         old_link_state = sblk->status_attn_bits_ack & event;
2439         if (new_link_state != old_link_state) {
2440                 if (new_link_state)
2441                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2442                 else
2443                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2444         } else
2445                 is_set = 0;
2446
2447         return is_set;
2448 }
2449
2450 static void
2451 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
2452 {
2453         spin_lock(&bp->phy_lock);
2454
2455         if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
2456                 bnx2_set_link(bp);
2457         if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
2458                 bnx2_set_remote_link(bp);
2459
2460         spin_unlock(&bp->phy_lock);
2461
2462 }
2463
2464 static inline u16
2465 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
2466 {
2467         u16 cons;
2468
2469         if (bnapi->int_num == 0)
2470                 cons = bnapi->status_blk->status_tx_quick_consumer_index0;
2471         else
2472                 cons = bnapi->status_blk_msix->status_tx_quick_consumer_index;
2473
2474         if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2475                 cons++;
2476         return cons;
2477 }
2478
2479 static int
2480 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2481 {
2482         u16 hw_cons, sw_cons, sw_ring_cons;
2483         int tx_pkt = 0;
2484
2485         hw_cons = bnx2_get_hw_tx_cons(bnapi);
2486         sw_cons = bnapi->tx_cons;
2487
2488         while (sw_cons != hw_cons) {
2489                 struct sw_bd *tx_buf;
2490                 struct sk_buff *skb;
2491                 int i, last;
2492
2493                 sw_ring_cons = TX_RING_IDX(sw_cons);
2494
2495                 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
2496                 skb = tx_buf->skb;
2497
2498                 /* partial BD completions possible with TSO packets */
2499                 if (skb_is_gso(skb)) {
2500                         u16 last_idx, last_ring_idx;
2501
2502                         last_idx = sw_cons +
2503                                 skb_shinfo(skb)->nr_frags + 1;
2504                         last_ring_idx = sw_ring_cons +
2505                                 skb_shinfo(skb)->nr_frags + 1;
2506                         if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2507                                 last_idx++;
2508                         }
2509                         if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2510                                 break;
2511                         }
2512                 }
2513
2514                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2515                         skb_headlen(skb), PCI_DMA_TODEVICE);
2516
2517                 tx_buf->skb = NULL;
2518                 last = skb_shinfo(skb)->nr_frags;
2519
2520                 for (i = 0; i < last; i++) {
2521                         sw_cons = NEXT_TX_BD(sw_cons);
2522
2523                         pci_unmap_page(bp->pdev,
2524                                 pci_unmap_addr(
2525                                         &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
2526                                         mapping),
2527                                 skb_shinfo(skb)->frags[i].size,
2528                                 PCI_DMA_TODEVICE);
2529                 }
2530
2531                 sw_cons = NEXT_TX_BD(sw_cons);
2532
2533                 dev_kfree_skb(skb);
2534                 tx_pkt++;
2535                 if (tx_pkt == budget)
2536                         break;
2537
2538                 hw_cons = bnx2_get_hw_tx_cons(bnapi);
2539         }
2540
2541         bnapi->hw_tx_cons = hw_cons;
2542         bnapi->tx_cons = sw_cons;
2543         /* Need to make the tx_cons update visible to bnx2_start_xmit()
2544          * before checking for netif_queue_stopped().  Without the
2545          * memory barrier, there is a small possibility that bnx2_start_xmit()
2546          * will miss it and cause the queue to be stopped forever.
2547          */
2548         smp_mb();
2549
2550         if (unlikely(netif_queue_stopped(bp->dev)) &&
2551                      (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
2552                 netif_tx_lock(bp->dev);
2553                 if ((netif_queue_stopped(bp->dev)) &&
2554                     (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
2555                         netif_wake_queue(bp->dev);
2556                 netif_tx_unlock(bp->dev);
2557         }
2558         return tx_pkt;
2559 }
2560
2561 static void
2562 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
2563                         struct sk_buff *skb, int count)
2564 {
2565         struct sw_pg *cons_rx_pg, *prod_rx_pg;
2566         struct rx_bd *cons_bd, *prod_bd;
2567         dma_addr_t mapping;
2568         int i;
2569         u16 hw_prod = bnapi->rx_pg_prod, prod;
2570         u16 cons = bnapi->rx_pg_cons;
2571
2572         for (i = 0; i < count; i++) {
2573                 prod = RX_PG_RING_IDX(hw_prod);
2574
2575                 prod_rx_pg = &bp->rx_pg_ring[prod];
2576                 cons_rx_pg = &bp->rx_pg_ring[cons];
2577                 cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2578                 prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2579
2580                 if (i == 0 && skb) {
2581                         struct page *page;
2582                         struct skb_shared_info *shinfo;
2583
2584                         shinfo = skb_shinfo(skb);
2585                         shinfo->nr_frags--;
2586                         page = shinfo->frags[shinfo->nr_frags].page;
2587                         shinfo->frags[shinfo->nr_frags].page = NULL;
2588                         mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2589                                                PCI_DMA_FROMDEVICE);
2590                         cons_rx_pg->page = page;
2591                         pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
2592                         dev_kfree_skb(skb);
2593                 }
2594                 if (prod != cons) {
2595                         prod_rx_pg->page = cons_rx_pg->page;
2596                         cons_rx_pg->page = NULL;
2597                         pci_unmap_addr_set(prod_rx_pg, mapping,
2598                                 pci_unmap_addr(cons_rx_pg, mapping));
2599
2600                         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2601                         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2602
2603                 }
2604                 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2605                 hw_prod = NEXT_RX_BD(hw_prod);
2606         }
2607         bnapi->rx_pg_prod = hw_prod;
2608         bnapi->rx_pg_cons = cons;
2609 }
2610
2611 static inline void
2612 bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2613         u16 cons, u16 prod)
2614 {
2615         struct sw_bd *cons_rx_buf, *prod_rx_buf;
2616         struct rx_bd *cons_bd, *prod_bd;
2617
2618         cons_rx_buf = &bp->rx_buf_ring[cons];
2619         prod_rx_buf = &bp->rx_buf_ring[prod];
2620
2621         pci_dma_sync_single_for_device(bp->pdev,
2622                 pci_unmap_addr(cons_rx_buf, mapping),
2623                 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2624
2625         bnapi->rx_prod_bseq += bp->rx_buf_use_size;
2626
2627         prod_rx_buf->skb = skb;
2628
2629         if (cons == prod)
2630                 return;
2631
2632         pci_unmap_addr_set(prod_rx_buf, mapping,
2633                         pci_unmap_addr(cons_rx_buf, mapping));
2634
2635         cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2636         prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2637         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2638         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2639 }
2640
2641 static int
2642 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
2643             unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2644             u32 ring_idx)
2645 {
2646         int err;
2647         u16 prod = ring_idx & 0xffff;
2648
2649         err = bnx2_alloc_rx_skb(bp, bnapi, prod);
2650         if (unlikely(err)) {
2651                 bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
2652                 if (hdr_len) {
2653                         unsigned int raw_len = len + 4;
2654                         int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2655
2656                         bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
2657                 }
2658                 return err;
2659         }
2660
2661         skb_reserve(skb, bp->rx_offset);
2662         pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2663                          PCI_DMA_FROMDEVICE);
2664
2665         if (hdr_len == 0) {
2666                 skb_put(skb, len);
2667                 return 0;
2668         } else {
2669                 unsigned int i, frag_len, frag_size, pages;
2670                 struct sw_pg *rx_pg;
2671                 u16 pg_cons = bnapi->rx_pg_cons;
2672                 u16 pg_prod = bnapi->rx_pg_prod;
2673
2674                 frag_size = len + 4 - hdr_len;
2675                 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2676                 skb_put(skb, hdr_len);
2677
2678                 for (i = 0; i < pages; i++) {
2679                         frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2680                         if (unlikely(frag_len <= 4)) {
2681                                 unsigned int tail = 4 - frag_len;
2682
2683                                 bnapi->rx_pg_cons = pg_cons;
2684                                 bnapi->rx_pg_prod = pg_prod;
2685                                 bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
2686                                                         pages - i);
2687                                 skb->len -= tail;
2688                                 if (i == 0) {
2689                                         skb->tail -= tail;
2690                                 } else {
2691                                         skb_frag_t *frag =
2692                                                 &skb_shinfo(skb)->frags[i - 1];
2693                                         frag->size -= tail;
2694                                         skb->data_len -= tail;
2695                                         skb->truesize -= tail;
2696                                 }
2697                                 return 0;
2698                         }
2699                         rx_pg = &bp->rx_pg_ring[pg_cons];
2700
2701                         pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
2702                                        PAGE_SIZE, PCI_DMA_FROMDEVICE);
2703
2704                         if (i == pages - 1)
2705                                 frag_len -= 4;
2706
2707                         skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
2708                         rx_pg->page = NULL;
2709
2710                         err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
2711                         if (unlikely(err)) {
2712                                 bnapi->rx_pg_cons = pg_cons;
2713                                 bnapi->rx_pg_prod = pg_prod;
2714                                 bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
2715                                                         pages - i);
2716                                 return err;
2717                         }
2718
2719                         frag_size -= frag_len;
2720                         skb->data_len += frag_len;
2721                         skb->truesize += frag_len;
2722                         skb->len += frag_len;
2723
2724                         pg_prod = NEXT_RX_BD(pg_prod);
2725                         pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
2726                 }
2727                 bnapi->rx_pg_prod = pg_prod;
2728                 bnapi->rx_pg_cons = pg_cons;
2729         }
2730         return 0;
2731 }
2732
2733 static inline u16
2734 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
2735 {
2736         u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
2737
2738         if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
2739                 cons++;
2740         return cons;
2741 }
2742
2743 static int
2744 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
2745 {
2746         u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2747         struct l2_fhdr *rx_hdr;
2748         int rx_pkt = 0, pg_ring_used = 0;
2749
2750         hw_cons = bnx2_get_hw_rx_cons(bnapi);
2751         sw_cons = bnapi->rx_cons;
2752         sw_prod = bnapi->rx_prod;
2753
2754         /* Memory barrier necessary as speculative reads of the rx
2755          * buffer can be ahead of the index in the status block
2756          */
2757         rmb();
2758         while (sw_cons != hw_cons) {
2759                 unsigned int len, hdr_len;
2760                 u32 status;
2761                 struct sw_bd *rx_buf;
2762                 struct sk_buff *skb;
2763                 dma_addr_t dma_addr;
2764
2765                 sw_ring_cons = RX_RING_IDX(sw_cons);
2766                 sw_ring_prod = RX_RING_IDX(sw_prod);
2767
2768                 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
2769                 skb = rx_buf->skb;
2770
2771                 rx_buf->skb = NULL;
2772
2773                 dma_addr = pci_unmap_addr(rx_buf, mapping);
2774
2775                 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2776                         bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2777
2778                 rx_hdr = (struct l2_fhdr *) skb->data;
2779                 len = rx_hdr->l2_fhdr_pkt_len;
2780
2781                 if ((status = rx_hdr->l2_fhdr_status) &
2782                         (L2_FHDR_ERRORS_BAD_CRC |
2783                         L2_FHDR_ERRORS_PHY_DECODE |
2784                         L2_FHDR_ERRORS_ALIGNMENT |
2785                         L2_FHDR_ERRORS_TOO_SHORT |
2786                         L2_FHDR_ERRORS_GIANT_FRAME)) {
2787
2788                         bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2789                                           sw_ring_prod);
2790                         goto next_rx;
2791                 }
2792                 hdr_len = 0;
2793                 if (status & L2_FHDR_STATUS_SPLIT) {
2794                         hdr_len = rx_hdr->l2_fhdr_ip_xsum;
2795                         pg_ring_used = 1;
2796                 } else if (len > bp->rx_jumbo_thresh) {
2797                         hdr_len = bp->rx_jumbo_thresh;
2798                         pg_ring_used = 1;
2799                 }
2800
2801                 len -= 4;
2802
2803                 if (len <= bp->rx_copy_thresh) {
2804                         struct sk_buff *new_skb;
2805
2806                         new_skb = netdev_alloc_skb(bp->dev, len + 2);
2807                         if (new_skb == NULL) {
2808                                 bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
2809                                                   sw_ring_prod);
2810                                 goto next_rx;
2811                         }
2812
2813                         /* aligned copy */
2814                         skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
2815                                       new_skb->data, len + 2);
2816                         skb_reserve(new_skb, 2);
2817                         skb_put(new_skb, len);
2818
2819                         bnx2_reuse_rx_skb(bp, bnapi, skb,
2820                                 sw_ring_cons, sw_ring_prod);
2821
2822                         skb = new_skb;
2823                 } else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
2824                            dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
2825                         goto next_rx;
2826
2827                 skb->protocol = eth_type_trans(skb, bp->dev);
2828
2829                 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
2830                         (ntohs(skb->protocol) != 0x8100)) {
2831
2832                         dev_kfree_skb(skb);
2833                         goto next_rx;
2834
2835                 }
2836
2837                 skb->ip_summed = CHECKSUM_NONE;
2838                 if (bp->rx_csum &&
2839                         (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2840                         L2_FHDR_STATUS_UDP_DATAGRAM))) {
2841
2842                         if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2843                                               L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2844                                 skb->ip_summed = CHECKSUM_UNNECESSARY;
2845                 }
2846
2847 #ifdef BCM_VLAN
2848                 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
2849                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2850                                 rx_hdr->l2_fhdr_vlan_tag);
2851                 }
2852                 else
2853 #endif
2854                         netif_receive_skb(skb);
2855
2856                 bp->dev->last_rx = jiffies;
2857                 rx_pkt++;
2858
2859 next_rx:
2860                 sw_cons = NEXT_RX_BD(sw_cons);
2861                 sw_prod = NEXT_RX_BD(sw_prod);
2862
2863                 if ((rx_pkt == budget))
2864                         break;
2865
2866                 /* Refresh hw_cons to see if there is new work */
2867                 if (sw_cons == hw_cons) {
2868                         hw_cons = bnx2_get_hw_rx_cons(bnapi);
2869                         rmb();
2870                 }
2871         }
2872         bnapi->rx_cons = sw_cons;
2873         bnapi->rx_prod = sw_prod;
2874
2875         if (pg_ring_used)
2876                 REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
2877                          bnapi->rx_pg_prod);
2878
2879         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
2880
2881         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
2882
2883         mmiowb();
2884
2885         return rx_pkt;
2886
2887 }
2888
2889 /* MSI ISR - The only difference between this and the INTx ISR
2890  * is that the MSI interrupt is always serviced.
2891  */
2892 static irqreturn_t
2893 bnx2_msi(int irq, void *dev_instance)
2894 {
2895         struct net_device *dev = dev_instance;
2896         struct bnx2 *bp = netdev_priv(dev);
2897         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2898
2899         prefetch(bnapi->status_blk);
2900         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2901                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2902                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2903
2904         /* Return here if interrupt is disabled. */
2905         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2906                 return IRQ_HANDLED;
2907
2908         netif_rx_schedule(dev, &bnapi->napi);
2909
2910         return IRQ_HANDLED;
2911 }
2912
2913 static irqreturn_t
2914 bnx2_msi_1shot(int irq, void *dev_instance)
2915 {
2916         struct net_device *dev = dev_instance;
2917         struct bnx2 *bp = netdev_priv(dev);
2918         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2919
2920         prefetch(bnapi->status_blk);
2921
2922         /* Return here if interrupt is disabled. */
2923         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2924                 return IRQ_HANDLED;
2925
2926         netif_rx_schedule(dev, &bnapi->napi);
2927
2928         return IRQ_HANDLED;
2929 }
2930
2931 static irqreturn_t
2932 bnx2_interrupt(int irq, void *dev_instance)
2933 {
2934         struct net_device *dev = dev_instance;
2935         struct bnx2 *bp = netdev_priv(dev);
2936         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
2937         struct status_block *sblk = bnapi->status_blk;
2938
2939         /* When using INTx, it is possible for the interrupt to arrive
2940          * at the CPU before the status block posted prior to the
2941          * interrupt. Reading a register will flush the status block.
2942          * When using MSI, the MSI message will always complete after
2943          * the status block write.
2944          */
2945         if ((sblk->status_idx == bnapi->last_status_idx) &&
2946             (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
2947              BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2948                 return IRQ_NONE;
2949
2950         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2951                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2952                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2953
2954         /* Read back to deassert IRQ immediately to avoid too many
2955          * spurious interrupts.
2956          */
2957         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
2958
2959         /* Return here if interrupt is shared and is disabled. */
2960         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2961                 return IRQ_HANDLED;
2962
2963         if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
2964                 bnapi->last_status_idx = sblk->status_idx;
2965                 __netif_rx_schedule(dev, &bnapi->napi);
2966         }
2967
2968         return IRQ_HANDLED;
2969 }
2970
2971 static irqreturn_t
2972 bnx2_tx_msix(int irq, void *dev_instance)
2973 {
2974         struct net_device *dev = dev_instance;
2975         struct bnx2 *bp = netdev_priv(dev);
2976         struct bnx2_napi *bnapi = &bp->bnx2_napi[BNX2_TX_VEC];
2977
2978         prefetch(bnapi->status_blk_msix);
2979
2980         /* Return here if interrupt is disabled. */
2981         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2982                 return IRQ_HANDLED;
2983
2984         netif_rx_schedule(dev, &bnapi->napi);
2985         return IRQ_HANDLED;
2986 }
2987
2988 #define STATUS_ATTN_EVENTS      (STATUS_ATTN_BITS_LINK_STATE | \
2989                                  STATUS_ATTN_BITS_TIMER_ABORT)
2990
2991 static inline int
2992 bnx2_has_work(struct bnx2_napi *bnapi)
2993 {
2994         struct status_block *sblk = bnapi->status_blk;
2995
2996         if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
2997             (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
2998                 return 1;
2999
3000         if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3001             (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
3002                 return 1;
3003
3004         return 0;
3005 }
3006
3007 static int bnx2_tx_poll(struct napi_struct *napi, int budget)
3008 {
3009         struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3010         struct bnx2 *bp = bnapi->bp;
3011         int work_done = 0;
3012         struct status_block_msix *sblk = bnapi->status_blk_msix;
3013
3014         do {
3015                 work_done += bnx2_tx_int(bp, bnapi, budget - work_done);
3016                 if (unlikely(work_done >= budget))
3017                         return work_done;
3018
3019                 bnapi->last_status_idx = sblk->status_idx;
3020                 rmb();
3021         } while (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons);
3022
3023         netif_rx_complete(bp->dev, napi);
3024         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3025                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3026                bnapi->last_status_idx);
3027         return work_done;
3028 }
3029
3030 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3031                           int work_done, int budget)
3032 {
3033         struct status_block *sblk = bnapi->status_blk;
3034         u32 status_attn_bits = sblk->status_attn_bits;
3035         u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
3036
3037         if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3038             (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
3039
3040                 bnx2_phy_int(bp, bnapi);
3041
3042                 /* This is needed to take care of transient status
3043                  * during link changes.
3044                  */
3045                 REG_WR(bp, BNX2_HC_COMMAND,
3046                        bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3047                 REG_RD(bp, BNX2_HC_COMMAND);
3048         }
3049
3050         if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
3051                 bnx2_tx_int(bp, bnapi, 0);
3052
3053         if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
3054                 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
3055
3056         return work_done;
3057 }
3058
3059 static int bnx2_poll(struct napi_struct *napi, int budget)
3060 {
3061         struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3062         struct bnx2 *bp = bnapi->bp;
3063         int work_done = 0;
3064         struct status_block *sblk = bnapi->status_blk;
3065
3066         while (1) {
3067                 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3068
3069                 if (unlikely(work_done >= budget))
3070                         break;
3071
3072                 /* bnapi->last_status_idx is used below to tell the hw how
3073                  * much work has been processed, so we must read it before
3074                  * checking for more work.
3075                  */
3076                 bnapi->last_status_idx = sblk->status_idx;
3077                 rmb();
3078                 if (likely(!bnx2_has_work(bnapi))) {
3079                         netif_rx_complete(bp->dev, napi);
3080                         if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
3081                                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3082                                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3083                                        bnapi->last_status_idx);
3084                                 break;
3085                         }
3086                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3087                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3088                                BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3089                                bnapi->last_status_idx);
3090
3091                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3092                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3093                                bnapi->last_status_idx);
3094                         break;
3095                 }
3096         }
3097
3098         return work_done;
3099 }
3100
3101 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
3102  * from set_multicast.
3103  */
3104 static void
3105 bnx2_set_rx_mode(struct net_device *dev)
3106 {
3107         struct bnx2 *bp = netdev_priv(dev);
3108         u32 rx_mode, sort_mode;
3109         int i;
3110
3111         spin_lock_bh(&bp->phy_lock);
3112
3113         rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3114                                   BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3115         sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3116 #ifdef BCM_VLAN
3117         if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
3118                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3119 #else
3120         if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
3121                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
3122 #endif
3123         if (dev->flags & IFF_PROMISC) {
3124                 /* Promiscuous mode. */
3125                 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3126                 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3127                              BNX2_RPM_SORT_USER0_PROM_VLAN;
3128         }
3129         else if (dev->flags & IFF_ALLMULTI) {
3130                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3131                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3132                                0xffffffff);
3133                 }
3134                 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3135         }
3136         else {
3137                 /* Accept one or more multicast(s). */
3138                 struct dev_mc_list *mclist;
3139                 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3140                 u32 regidx;
3141                 u32 bit;
3142                 u32 crc;
3143
3144                 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3145
3146                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
3147                      i++, mclist = mclist->next) {
3148
3149                         crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
3150                         bit = crc & 0xff;
3151                         regidx = (bit & 0xe0) >> 5;
3152                         bit &= 0x1f;
3153                         mc_filter[regidx] |= (1 << bit);
3154                 }
3155
3156                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3157                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3158                                mc_filter[i]);
3159                 }
3160
3161                 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3162         }
3163
3164         if (rx_mode != bp->rx_mode) {
3165                 bp->rx_mode = rx_mode;
3166                 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3167         }
3168
3169         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3170         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3171         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3172
3173         spin_unlock_bh(&bp->phy_lock);
3174 }
3175
3176 static void
3177 load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
3178         u32 rv2p_proc)
3179 {
3180         int i;
3181         u32 val;
3182
3183         if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
3184                 val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
3185                 val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
3186                 val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
3187                 rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
3188         }
3189
3190         for (i = 0; i < rv2p_code_len; i += 8) {
3191                 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
3192                 rv2p_code++;
3193                 REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
3194                 rv2p_code++;
3195
3196                 if (rv2p_proc == RV2P_PROC1) {
3197                         val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3198                         REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
3199                 }
3200                 else {
3201                         val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3202                         REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
3203                 }
3204         }
3205
3206         /* Reset the processor, un-stall is done later. */
3207         if (rv2p_proc == RV2P_PROC1) {
3208                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3209         }
3210         else {
3211                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3212         }
3213 }
3214
3215 static int
3216 load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
3217 {
3218         u32 offset;
3219         u32 val;
3220         int rc;
3221
3222         /* Halt the CPU. */
3223         val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3224         val |= cpu_reg->mode_value_halt;
3225         bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3226         bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3227
3228         /* Load the Text area. */
3229         offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
3230         if (fw->gz_text) {
3231                 int j;
3232
3233                 rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
3234                                        fw->gz_text_len);
3235                 if (rc < 0)
3236                         return rc;
3237
3238                 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
3239                         bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
3240                 }
3241         }
3242
3243         /* Load the Data area. */
3244         offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
3245         if (fw->data) {
3246                 int j;
3247
3248                 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
3249                         bnx2_reg_wr_ind(bp, offset, fw->data[j]);
3250                 }
3251         }
3252
3253         /* Load the SBSS area. */
3254         offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
3255         if (fw->sbss_len) {
3256                 int j;
3257
3258                 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
3259                         bnx2_reg_wr_ind(bp, offset, 0);
3260                 }
3261         }
3262
3263         /* Load the BSS area. */
3264         offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
3265         if (fw->bss_len) {
3266                 int j;
3267
3268                 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
3269                         bnx2_reg_wr_ind(bp, offset, 0);
3270                 }
3271         }
3272
3273         /* Load the Read-Only area. */
3274         offset = cpu_reg->spad_base +
3275                 (fw->rodata_addr - cpu_reg->mips_view_base);
3276         if (fw->rodata) {
3277                 int j;
3278
3279                 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
3280                         bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
3281                 }
3282         }
3283
3284         /* Clear the pre-fetch instruction. */
3285         bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
3286         bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
3287
3288         /* Start the CPU. */
3289         val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
3290         val &= ~cpu_reg->mode_value_halt;
3291         bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3292         bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3293
3294         return 0;
3295 }
3296
3297 static int
3298 bnx2_init_cpus(struct bnx2 *bp)
3299 {
3300         struct cpu_reg cpu_reg;
3301         struct fw_info *fw;
3302         int rc, rv2p_len;
3303         void *text, *rv2p;
3304
3305         /* Initialize the RV2P processor. */
3306         text = vmalloc(FW_BUF_SIZE);
3307         if (!text)
3308                 return -ENOMEM;
3309         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3310                 rv2p = bnx2_xi_rv2p_proc1;
3311                 rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
3312         } else {
3313                 rv2p = bnx2_rv2p_proc1;
3314                 rv2p_len = sizeof(bnx2_rv2p_proc1);
3315         }
3316         rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3317         if (rc < 0)
3318                 goto init_cpu_err;
3319
3320         load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
3321
3322         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3323                 rv2p = bnx2_xi_rv2p_proc2;
3324                 rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
3325         } else {
3326                 rv2p = bnx2_rv2p_proc2;
3327                 rv2p_len = sizeof(bnx2_rv2p_proc2);
3328         }
3329         rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
3330         if (rc < 0)
3331                 goto init_cpu_err;
3332
3333         load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3334
3335         /* Initialize the RX Processor. */
3336         cpu_reg.mode = BNX2_RXP_CPU_MODE;
3337         cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
3338         cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
3339         cpu_reg.state = BNX2_RXP_CPU_STATE;
3340         cpu_reg.state_value_clear = 0xffffff;
3341         cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
3342         cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
3343         cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
3344         cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
3345         cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
3346         cpu_reg.spad_base = BNX2_RXP_SCRATCH;
3347         cpu_reg.mips_view_base = 0x8000000;
3348
3349         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3350                 fw = &bnx2_rxp_fw_09;
3351         else
3352                 fw = &bnx2_rxp_fw_06;
3353
3354         fw->text = text;
3355         rc = load_cpu_fw(bp, &cpu_reg, fw);
3356         if (rc)
3357                 goto init_cpu_err;
3358
3359         /* Initialize the TX Processor. */
3360         cpu_reg.mode = BNX2_TXP_CPU_MODE;
3361         cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
3362         cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
3363         cpu_reg.state = BNX2_TXP_CPU_STATE;
3364         cpu_reg.state_value_clear = 0xffffff;
3365         cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
3366         cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
3367         cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
3368         cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
3369         cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
3370         cpu_reg.spad_base = BNX2_TXP_SCRATCH;
3371         cpu_reg.mips_view_base = 0x8000000;
3372
3373         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3374                 fw = &bnx2_txp_fw_09;
3375         else
3376                 fw = &bnx2_txp_fw_06;
3377
3378         fw->text = text;
3379         rc = load_cpu_fw(bp, &cpu_reg, fw);
3380         if (rc)
3381                 goto init_cpu_err;
3382
3383         /* Initialize the TX Patch-up Processor. */
3384         cpu_reg.mode = BNX2_TPAT_CPU_MODE;
3385         cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
3386         cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
3387         cpu_reg.state = BNX2_TPAT_CPU_STATE;
3388         cpu_reg.state_value_clear = 0xffffff;
3389         cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
3390         cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
3391         cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
3392         cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
3393         cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
3394         cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
3395         cpu_reg.mips_view_base = 0x8000000;
3396
3397         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3398                 fw = &bnx2_tpat_fw_09;
3399         else
3400                 fw = &bnx2_tpat_fw_06;
3401
3402         fw->text = text;
3403         rc = load_cpu_fw(bp, &cpu_reg, fw);
3404         if (rc)
3405                 goto init_cpu_err;
3406
3407         /* Initialize the Completion Processor. */
3408         cpu_reg.mode = BNX2_COM_CPU_MODE;
3409         cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
3410         cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
3411         cpu_reg.state = BNX2_COM_CPU_STATE;
3412         cpu_reg.state_value_clear = 0xffffff;
3413         cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
3414         cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
3415         cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
3416         cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
3417         cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
3418         cpu_reg.spad_base = BNX2_COM_SCRATCH;
3419         cpu_reg.mips_view_base = 0x8000000;
3420
3421         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3422                 fw = &bnx2_com_fw_09;
3423         else
3424                 fw = &bnx2_com_fw_06;
3425
3426         fw->text = text;
3427         rc = load_cpu_fw(bp, &cpu_reg, fw);
3428         if (rc)
3429                 goto init_cpu_err;
3430
3431         /* Initialize the Command Processor. */
3432         cpu_reg.mode = BNX2_CP_CPU_MODE;
3433         cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
3434         cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
3435         cpu_reg.state = BNX2_CP_CPU_STATE;
3436         cpu_reg.state_value_clear = 0xffffff;
3437         cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
3438         cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
3439         cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
3440         cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
3441         cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
3442         cpu_reg.spad_base = BNX2_CP_SCRATCH;
3443         cpu_reg.mips_view_base = 0x8000000;
3444
3445         if (CHIP_NUM(bp) == CHIP_NUM_5709)
3446                 fw = &bnx2_cp_fw_09;
3447         else
3448                 fw = &bnx2_cp_fw_06;
3449
3450         fw->text = text;
3451         rc = load_cpu_fw(bp, &cpu_reg, fw);
3452
3453 init_cpu_err:
3454         vfree(text);
3455         return rc;
3456 }
3457
3458 static int
3459 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3460 {
3461         u16 pmcsr;
3462
3463         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3464
3465         switch (state) {
3466         case PCI_D0: {
3467                 u32 val;
3468
3469                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3470                         (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3471                         PCI_PM_CTRL_PME_STATUS);
3472
3473                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3474                         /* delay required during transition out of D3hot */
3475                         msleep(20);
3476
3477                 val = REG_RD(bp, BNX2_EMAC_MODE);
3478                 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3479                 val &= ~BNX2_EMAC_MODE_MPKT;
3480                 REG_WR(bp, BNX2_EMAC_MODE, val);
3481
3482                 val = REG_RD(bp, BNX2_RPM_CONFIG);
3483                 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3484                 REG_WR(bp, BNX2_RPM_CONFIG, val);
3485                 break;
3486         }
3487         case PCI_D3hot: {
3488                 int i;
3489                 u32 val, wol_msg;
3490
3491                 if (bp->wol) {
3492                         u32 advertising;
3493                         u8 autoneg;
3494
3495                         autoneg = bp->autoneg;
3496                         advertising = bp->advertising;
3497
3498                         if (bp->phy_port == PORT_TP) {
3499                                 bp->autoneg = AUTONEG_SPEED;
3500                                 bp->advertising = ADVERTISED_10baseT_Half |
3501                                         ADVERTISED_10baseT_Full |
3502                                         ADVERTISED_100baseT_Half |
3503                                         ADVERTISED_100baseT_Full |
3504                                         ADVERTISED_Autoneg;
3505                         }
3506
3507                         spin_lock_bh(&bp->phy_lock);
3508                         bnx2_setup_phy(bp, bp->phy_port);
3509                         spin_unlock_bh(&bp->phy_lock);
3510
3511                         bp->autoneg = autoneg;
3512                         bp->advertising = advertising;
3513
3514                         bnx2_set_mac_addr(bp);
3515
3516                         val = REG_RD(bp, BNX2_EMAC_MODE);
3517
3518                         /* Enable port mode. */
3519                         val &= ~BNX2_EMAC_MODE_PORT;
3520                         val |= BNX2_EMAC_MODE_MPKT_RCVD |
3521                                BNX2_EMAC_MODE_ACPI_RCVD |
3522                                BNX2_EMAC_MODE_MPKT;
3523                         if (bp->phy_port == PORT_TP)
3524                                 val |= BNX2_EMAC_MODE_PORT_MII;
3525                         else {
3526                                 val |= BNX2_EMAC_MODE_PORT_GMII;
3527                                 if (bp->line_speed == SPEED_2500)
3528                                         val |= BNX2_EMAC_MODE_25G_MODE;
3529                         }
3530
3531                         REG_WR(bp, BNX2_EMAC_MODE, val);
3532
3533                         /* receive all multicast */
3534                         for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3535                                 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3536                                        0xffffffff);
3537                         }
3538                         REG_WR(bp, BNX2_EMAC_RX_MODE,
3539                                BNX2_EMAC_RX_MODE_SORT_MODE);
3540
3541                         val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3542                               BNX2_RPM_SORT_USER0_MC_EN;
3543                         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3544                         REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3545                         REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3546                                BNX2_RPM_SORT_USER0_ENA);
3547
3548                         /* Need to enable EMAC and RPM for WOL. */
3549                         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3550                                BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3551                                BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3552                                BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3553
3554                         val = REG_RD(bp, BNX2_RPM_CONFIG);
3555                         val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3556                         REG_WR(bp, BNX2_RPM_CONFIG, val);
3557
3558                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3559                 }
3560                 else {
3561                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3562                 }
3563
3564                 if (!(bp->flags & BNX2_FLAG_NO_WOL))
3565                         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3566
3567                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3568                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3569                     (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3570
3571                         if (bp->wol)
3572                                 pmcsr |= 3;
3573                 }
3574                 else {
3575                         pmcsr |= 3;
3576                 }
3577                 if (bp->wol) {
3578                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3579                 }
3580                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3581                                       pmcsr);
3582
3583                 /* No more memory access after this point until
3584                  * device is brought back to D0.
3585                  */
3586                 udelay(50);
3587                 break;
3588         }
3589         default:
3590                 return -EINVAL;
3591         }
3592         return 0;
3593 }
3594
3595 static int
3596 bnx2_acquire_nvram_lock(struct bnx2 *bp)
3597 {
3598         u32 val;
3599         int j;
3600
3601         /* Request access to the flash interface. */
3602         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3603         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3604                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3605                 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3606                         break;
3607
3608                 udelay(5);
3609         }
3610
3611         if (j >= NVRAM_TIMEOUT_COUNT)
3612                 return -EBUSY;
3613
3614         return 0;
3615 }
3616
3617 static int
3618 bnx2_release_nvram_lock(struct bnx2 *bp)
3619 {
3620         int j;
3621         u32 val;
3622
3623         /* Relinquish nvram interface. */
3624         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
3625
3626         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3627                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3628                 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
3629                         break;
3630
3631                 udelay(5);
3632         }
3633
3634         if (j >= NVRAM_TIMEOUT_COUNT)
3635                 return -EBUSY;
3636
3637         return 0;
3638 }
3639
3640
3641 static int
3642 bnx2_enable_nvram_write(struct bnx2 *bp)
3643 {
3644         u32 val;
3645
3646         val = REG_RD(bp, BNX2_MISC_CFG);
3647         REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3648
3649         if (bp->flash_info->flags & BNX2_NV_WREN) {
3650                 int j;
3651
3652                 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3653                 REG_WR(bp, BNX2_NVM_COMMAND,
3654                        BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3655
3656                 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3657                         udelay(5);
3658
3659                         val = REG_RD(bp, BNX2_NVM_COMMAND);
3660                         if (val & BNX2_NVM_COMMAND_DONE)
3661                                 break;
3662                 }
3663
3664                 if (j >= NVRAM_TIMEOUT_COUNT)
3665                         return -EBUSY;
3666         }
3667         return 0;
3668 }
3669
3670 static void
3671 bnx2_disable_nvram_write(struct bnx2 *bp)
3672 {
3673         u32 val;
3674
3675         val = REG_RD(bp, BNX2_MISC_CFG);
3676         REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3677 }
3678
3679
3680 static void
3681 bnx2_enable_nvram_access(struct bnx2 *bp)
3682 {
3683         u32 val;
3684
3685         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3686         /* Enable both bits, even on read. */
3687         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3688                val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3689 }
3690
3691 static void
3692 bnx2_disable_nvram_access(struct bnx2 *bp)
3693 {
3694         u32 val;
3695
3696         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3697         /* Disable both bits, even after read. */
3698         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3699                 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3700                         BNX2_NVM_ACCESS_ENABLE_WR_EN));
3701 }
3702
3703 static int
3704 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3705 {
3706         u32 cmd;
3707         int j;
3708
3709         if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3710                 /* Buffered flash, no erase needed */
3711                 return 0;
3712
3713         /* Build an erase command */
3714         cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3715               BNX2_NVM_COMMAND_DOIT;
3716
3717         /* Need to clear DONE bit separately. */
3718         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3719
3720         /* Address of the NVRAM to read from. */
3721         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3722
3723         /* Issue an erase command. */
3724         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3725
3726         /* Wait for completion. */
3727         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3728                 u32 val;
3729
3730                 udelay(5);
3731
3732                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3733                 if (val & BNX2_NVM_COMMAND_DONE)
3734                         break;
3735         }
3736
3737         if (j >= NVRAM_TIMEOUT_COUNT)
3738                 return -EBUSY;
3739
3740         return 0;
3741 }
3742
3743 static int
3744 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3745 {
3746         u32 cmd;
3747         int j;
3748
3749         /* Build the command word. */
3750         cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3751
3752         /* Calculate an offset of a buffered flash, not needed for 5709. */
3753         if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3754                 offset = ((offset / bp->flash_info->page_size) <<
3755                            bp->flash_info->page_bits) +
3756                           (offset % bp->flash_info->page_size);
3757         }
3758
3759         /* Need to clear DONE bit separately. */
3760         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3761
3762         /* Address of the NVRAM to read from. */
3763         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3764
3765         /* Issue a read command. */
3766         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3767
3768         /* Wait for completion. */
3769         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3770                 u32 val;
3771
3772                 udelay(5);
3773
3774                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3775                 if (val & BNX2_NVM_COMMAND_DONE) {
3776                         __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
3777                         memcpy(ret_val, &v, 4);
3778                         break;
3779                 }
3780         }
3781         if (j >= NVRAM_TIMEOUT_COUNT)
3782                 return -EBUSY;
3783
3784         return 0;
3785 }
3786
3787
3788 static int
3789 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3790 {
3791         u32 cmd;
3792         __be32 val32;
3793         int j;
3794
3795         /* Build the command word. */
3796         cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3797
3798         /* Calculate an offset of a buffered flash, not needed for 5709. */
3799         if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3800                 offset = ((offset / bp->flash_info->page_size) <<
3801                           bp->flash_info->page_bits) +
3802                          (offset % bp->flash_info->page_size);
3803         }
3804
3805         /* Need to clear DONE bit separately. */
3806         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3807
3808         memcpy(&val32, val, 4);
3809
3810         /* Write the data. */
3811         REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
3812
3813         /* Address of the NVRAM to write to. */
3814         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3815
3816         /* Issue the write command. */
3817         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3818
3819         /* Wait for completion. */
3820         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3821                 udelay(5);
3822
3823                 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3824                         break;
3825         }
3826         if (j >= NVRAM_TIMEOUT_COUNT)
3827                 return -EBUSY;
3828
3829         return 0;
3830 }
3831
3832 static int
3833 bnx2_init_nvram(struct bnx2 *bp)
3834 {
3835         u32 val;
3836         int j, entry_count, rc = 0;
3837         struct flash_spec *flash;
3838
3839         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3840                 bp->flash_info = &flash_5709;
3841                 goto get_flash_size;
3842         }
3843
3844         /* Determine the selected interface. */
3845         val = REG_RD(bp, BNX2_NVM_CFG1);
3846
3847         entry_count = ARRAY_SIZE(flash_table);
3848
3849         if (val & 0x40000000) {
3850
3851                 /* Flash interface has been reconfigured */
3852                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3853                      j++, flash++) {
3854                         if ((val & FLASH_BACKUP_STRAP_MASK) ==
3855                             (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3856                                 bp->flash_info = flash;
3857                                 break;
3858                         }
3859                 }
3860         }
3861         else {
3862                 u32 mask;
3863                 /* Not yet been reconfigured */
3864
3865                 if (val & (1 << 23))
3866                         mask = FLASH_BACKUP_STRAP_MASK;
3867                 else
3868                         mask = FLASH_STRAP_MASK;
3869
3870                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3871                         j++, flash++) {
3872
3873                         if ((val & mask) == (flash->strapping & mask)) {
3874                                 bp->flash_info = flash;
3875
3876                                 /* Request access to the flash interface. */
3877                                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3878                                         return rc;
3879
3880                                 /* Enable access to flash interface */
3881                                 bnx2_enable_nvram_access(bp);
3882
3883                                 /* Reconfigure the flash interface */
3884                                 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3885                                 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3886                                 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3887                                 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3888
3889                                 /* Disable access to flash interface */
3890                                 bnx2_disable_nvram_access(bp);
3891                                 bnx2_release_nvram_lock(bp);
3892
3893                                 break;
3894                         }
3895                 }
3896         } /* if (val & 0x40000000) */
3897
3898         if (j == entry_count) {
3899                 bp->flash_info = NULL;
3900                 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
3901                 return -ENODEV;
3902         }
3903
3904 get_flash_size:
3905         val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
3906         val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3907         if (val)
3908                 bp->flash_size = val;
3909         else
3910                 bp->flash_size = bp->flash_info->total_size;
3911
3912         return rc;
3913 }
3914
3915 static int
3916 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3917                 int buf_size)
3918 {
3919         int rc = 0;
3920         u32 cmd_flags, offset32, len32, extra;
3921
3922         if (buf_size == 0)
3923                 return 0;
3924
3925         /* Request access to the flash interface. */
3926         if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3927                 return rc;
3928
3929         /* Enable access to flash interface */
3930         bnx2_enable_nvram_access(bp);
3931
3932         len32 = buf_size;
3933         offset32 = offset;
3934         extra = 0;
3935
3936         cmd_flags = 0;
3937
3938         if (offset32 & 3) {
3939                 u8 buf[4];
3940                 u32 pre_len;
3941
3942                 offset32 &= ~3;
3943                 pre_len = 4 - (offset & 3);
3944
3945                 if (pre_len >= len32) {
3946                         pre_len = len32;
3947                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
3948                                     BNX2_NVM_COMMAND_LAST;
3949                 }
3950                 else {
3951                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
3952                 }
3953
3954                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3955
3956                 if (rc)
3957                         return rc;
3958
3959                 memcpy(ret_buf, buf + (offset & 3), pre_len);
3960
3961                 offset32 += 4;
3962                 ret_buf += pre_len;
3963                 len32 -= pre_len;
3964         }
3965         if (len32 & 3) {
3966                 extra = 4 - (len32 & 3);
3967                 len32 = (len32 + 4) & ~3;
3968         }
3969
3970         if (len32 == 4) {
3971                 u8 buf[4];
3972
3973                 if (cmd_flags)
3974                         cmd_flags = BNX2_NVM_COMMAND_LAST;
3975                 else
3976                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
3977                                     BNX2_NVM_COMMAND_LAST;
3978
3979                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3980
3981                 memcpy(ret_buf, buf, 4 - extra);
3982         }
3983         else if (len32 > 0) {
3984                 u8 buf[4];
3985
3986                 /* Read the first word. */
3987                 if (cmd_flags)
3988                         cmd_flags = 0;
3989                 else
3990                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
3991
3992                 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3993
3994                 /* Advance to the next dword. */
3995                 offset32 += 4;
3996                 ret_buf += 4;
3997                 len32 -= 4;
3998
3999                 while (len32 > 4 && rc == 0) {
4000                         rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4001
4002                         /* Advance to the next dword. */
4003                         offset32 += 4;
4004                         ret_buf += 4;
4005                         len32 -= 4;
4006                 }
4007
4008                 if (rc)
4009                         return rc;
4010
4011                 cmd_flags = BNX2_NVM_COMMAND_LAST;
4012                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4013
4014                 memcpy(ret_buf, buf, 4 - extra);
4015         }
4016
4017         /* Disable access to flash interface */
4018         bnx2_disable_nvram_access(bp);
4019
4020         bnx2_release_nvram_lock(bp);
4021
4022         return rc;
4023 }
4024
4025 static int
4026 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4027                 int buf_size)
4028 {
4029         u32 written, offset32, len32;
4030         u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
4031         int rc = 0;
4032         int align_start, align_end;
4033
4034         buf = data_buf;
4035         offset32 = offset;
4036         len32 = buf_size;
4037         align_start = align_end = 0;
4038
4039         if ((align_start = (offset32 & 3))) {
4040                 offset32 &= ~3;
4041                 len32 += align_start;
4042                 if (len32 < 4)
4043                         len32 = 4;
4044                 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4045                         return rc;
4046         }
4047
4048         if (len32 & 3) {
4049                 align_end = 4 - (len32 & 3);
4050                 len32 += align_end;
4051                 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4052                         return rc;
4053         }
4054
4055         if (align_start || align_end) {
4056                 align_buf = kmalloc(len32, GFP_KERNEL);
4057                 if (align_buf == NULL)
4058                         return -ENOMEM;
4059                 if (align_start) {
4060                         memcpy(align_buf, start, 4);
4061                 }
4062                 if (align_end) {
4063                         memcpy(align_buf + len32 - 4, end, 4);
4064                 }
4065                 memcpy(align_buf + align_start, data_buf, buf_size);
4066                 buf = align_buf;
4067         }
4068
4069         if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4070                 flash_buffer = kmalloc(264, GFP_KERNEL);
4071                 if (flash_buffer == NULL) {
4072                         rc = -ENOMEM;
4073                         goto nvram_write_end;
4074                 }
4075         }
4076
4077         written = 0;
4078         while ((written < len32) && (rc == 0)) {
4079                 u32 page_start, page_end, data_start, data_end;
4080                 u32 addr, cmd_flags;
4081                 int i;
4082
4083                 /* Find the page_start addr */
4084                 page_start = offset32 + written;
4085                 page_start -= (page_start % bp->flash_info->page_size);
4086                 /* Find the page_end addr */
4087                 page_end = page_start + bp->flash_info->page_size;
4088                 /* Find the data_start addr */
4089                 data_start = (written == 0) ? offset32 : page_start;
4090                 /* Find the data_end addr */
4091                 data_end = (page_end > offset32 + len32) ?
4092                         (offset32 + len32) : page_end;
4093
4094                 /* Request access to the flash interface. */
4095                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4096                         goto nvram_write_end;
4097
4098                 /* Enable access to flash interface */
4099                 bnx2_enable_nvram_access(bp);
4100
4101                 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4102                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4103                         int j;
4104
4105                         /* Read the whole page into the buffer
4106                          * (non-buffer flash only) */
4107                         for (j = 0; j < bp->flash_info->page_size; j += 4) {
4108                                 if (j == (bp->flash_info->page_size - 4)) {
4109                                         cmd_flags |= BNX2_NVM_COMMAND_LAST;
4110                                 }
4111                                 rc = bnx2_nvram_read_dword(bp,
4112                                         page_start + j,
4113                                         &flash_buffer[j],
4114                                         cmd_flags);
4115
4116                                 if (rc)
4117                                         goto nvram_write_end;
4118
4119                                 cmd_flags = 0;
4120                         }
4121                 }
4122
4123                 /* Enable writes to flash interface (unlock write-protect) */
4124                 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4125                         goto nvram_write_end;
4126
4127                 /* Loop to write back the buffer data from page_start to
4128                  * data_start */
4129                 i = 0;
4130                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4131                         /* Erase the page */
4132                         if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4133                                 goto nvram_write_end;
4134
4135                         /* Re-enable the write again for the actual write */
4136                         bnx2_enable_nvram_write(bp);
4137
4138                         for (addr = page_start; addr < data_start;
4139                                 addr += 4, i += 4) {
4140
4141                                 rc = bnx2_nvram_write_dword(bp, addr,
4142                                         &flash_buffer[i], cmd_flags);
4143
4144                                 if (rc != 0)
4145                                         goto nvram_write_end;
4146
4147                                 cmd_flags = 0;
4148                         }
4149                 }
4150
4151                 /* Loop to write the new data from data_start to data_end */
4152                 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
4153                         if ((addr == page_end - 4) ||
4154                                 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
4155                                  (addr == data_end - 4))) {
4156
4157                                 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4158                         }
4159                         rc = bnx2_nvram_write_dword(bp, addr, buf,
4160                                 cmd_flags);
4161
4162                         if (rc != 0)
4163                                 goto nvram_write_end;
4164
4165                         cmd_flags = 0;
4166                         buf += 4;
4167                 }
4168
4169                 /* Loop to write back the buffer data from data_end
4170                  * to page_end */
4171                 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
4172                         for (addr = data_end; addr < page_end;
4173                                 addr += 4, i += 4) {
4174
4175                                 if (addr == page_end-4) {
4176                                         cmd_flags = BNX2_NVM_COMMAND_LAST;
4177                                 }
4178                                 rc = bnx2_nvram_write_dword(bp, addr,
4179                                         &flash_buffer[i], cmd_flags);
4180
4181                                 if (rc != 0)
4182                                         goto nvram_write_end;
4183
4184                                 cmd_flags = 0;
4185                         }
4186                 }
4187
4188                 /* Disable writes to flash interface (lock write-protect) */
4189                 bnx2_disable_nvram_write(bp);
4190
4191                 /* Disable access to flash interface */
4192                 bnx2_disable_nvram_access(bp);
4193                 bnx2_release_nvram_lock(bp);
4194
4195                 /* Increment written */
4196                 written += data_end - data_start;
4197         }
4198
4199 nvram_write_end:
4200         kfree(flash_buffer);
4201         kfree(align_buf);
4202         return rc;
4203 }
4204
4205 static void
4206 bnx2_init_remote_phy(struct bnx2 *bp)
4207 {
4208         u32 val;
4209
4210         bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4211         if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
4212                 return;
4213
4214         val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
4215         if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4216                 return;
4217
4218         if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
4219                 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
4220
4221                 val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4222                 if (val & BNX2_LINK_STATUS_SERDES_LINK)
4223                         bp->phy_port = PORT_FIBRE;
4224                 else
4225                         bp->phy_port = PORT_TP;
4226
4227                 if (netif_running(bp->dev)) {
4228                         u32 sig;
4229
4230                         sig = BNX2_DRV_ACK_CAP_SIGNATURE |
4231                               BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
4232                         bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
4233                 }
4234         }
4235 }
4236
4237 static void
4238 bnx2_setup_msix_tbl(struct bnx2 *bp)
4239 {
4240         REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4241
4242         REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4243         REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4244 }
4245
4246 static int
4247 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4248 {
4249         u32 val;
4250         int i, rc = 0;
4251         u8 old_port;
4252
4253         /* Wait for the current PCI transaction to complete before
4254          * issuing a reset. */
4255         REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4256                BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4257                BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4258                BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4259                BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4260         val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4261         udelay(5);
4262
4263         /* Wait for the firmware to tell us it is ok to issue a reset. */
4264         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
4265
4266         /* Deposit a driver reset signature so the firmware knows that
4267          * this is a soft reset. */
4268         bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4269                       BNX2_DRV_RESET_SIGNATURE_MAGIC);
4270
4271         /* Do a dummy read to force the chip to complete all current transaction
4272          * before we issue a reset. */
4273         val = REG_RD(bp, BNX2_MISC_ID);
4274
4275         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4276                 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4277                 REG_RD(bp, BNX2_MISC_COMMAND);
4278                 udelay(5);
4279
4280                 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4281                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4282
4283                 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
4284
4285         } else {
4286                 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4287                       BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4288                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4289
4290                 /* Chip reset. */
4291                 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4292
4293                 /* Reading back any register after chip reset will hang the
4294                  * bus on 5706 A0 and A1.  The msleep below provides plenty
4295                  * of margin for write posting.
4296                  */
4297                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
4298                     (CHIP_ID(bp) == CHIP_ID_5706_A1))
4299                         msleep(20);
4300
4301                 /* Reset takes approximate 30 usec */
4302                 for (i = 0; i < 10; i++) {
4303                         val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4304                         if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4305                                     BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4306                                 break;
4307                         udelay(10);
4308                 }
4309
4310                 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4311                            BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
4312                         printk(KERN_ERR PFX "Chip reset did not complete\n");
4313                         return -EBUSY;
4314                 }
4315         }
4316
4317         /* Make sure byte swapping is properly configured. */
4318         val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4319         if (val != 0x01020304) {
4320                 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
4321                 return -ENODEV;
4322         }
4323
4324         /* Wait for the firmware to finish its initialization. */
4325         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
4326         if (rc)
4327                 return rc;
4328
4329         spin_lock_bh(&bp->phy_lock);
4330         old_port = bp->phy_port;
4331         bnx2_init_remote_phy(bp);
4332         if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4333             old_port != bp->phy_port)
4334                 bnx2_set_default_remote_link(bp);
4335         spin_unlock_bh(&bp->phy_lock);
4336
4337         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4338                 /* Adjust the voltage regular to two steps lower.  The default
4339                  * of this register is 0x0000000e. */
4340                 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4341
4342                 /* Remove bad rbuf memory from the free pool. */
4343                 rc = bnx2_alloc_bad_rbuf(bp);
4344         }
4345
4346         if (bp->flags & BNX2_FLAG_USING_MSIX)
4347                 bnx2_setup_msix_tbl(bp);
4348
4349         return rc;
4350 }
4351
4352 static int
4353 bnx2_init_chip(struct bnx2 *bp)
4354 {
4355         u32 val;
4356         int rc, i;
4357
4358         /* Make sure the interrupt is not active. */
4359         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4360
4361         val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4362               BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4363 #ifdef __BIG_ENDIAN
4364               BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4365 #endif
4366               BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4367               DMA_READ_CHANS << 12 |
4368               DMA_WRITE_CHANS << 16;
4369
4370         val |= (0x2 << 20) | (1 << 11);
4371
4372         if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
4373                 val |= (1 << 23);
4374
4375         if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
4376             (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
4377                 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4378
4379         REG_WR(bp, BNX2_DMA_CONFIG, val);
4380
4381         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4382                 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4383                 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4384                 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4385         }
4386
4387         if (bp->flags & BNX2_FLAG_PCIX) {
4388                 u16 val16;
4389
4390                 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4391                                      &val16);
4392                 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4393                                       val16 & ~PCI_X_CMD_ERO);
4394         }
4395
4396         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4397                BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4398                BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4399                BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4400
4401         /* Initialize context mapping and zero out the quick contexts.  The
4402          * context block must have already been enabled. */
4403         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4404                 rc = bnx2_init_5709_context(bp);
4405                 if (rc)
4406                         return rc;
4407         } else
4408                 bnx2_init_context(bp);
4409
4410         if ((rc = bnx2_init_cpus(bp)) != 0)
4411                 return rc;
4412
4413         bnx2_init_nvram(bp);
4414
4415         bnx2_set_mac_addr(bp);
4416
4417         val = REG_RD(bp, BNX2_MQ_CONFIG);
4418         val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4419         val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4420         if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
4421                 val |= BNX2_MQ_CONFIG_HALT_DIS;
4422
4423         REG_WR(bp, BNX2_MQ_CONFIG, val);
4424
4425         val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4426         REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4427         REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4428
4429         val = (BCM_PAGE_BITS - 8) << 24;
4430         REG_WR(bp, BNX2_RV2P_CONFIG, val);
4431
4432         /* Configure page size. */
4433         val = REG_RD(bp, BNX2_TBDR_CONFIG);
4434         val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4435         val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4436         REG_WR(bp, BNX2_TBDR_CONFIG, val);
4437
4438         val = bp->mac_addr[0] +
4439               (bp->mac_addr[1] << 8) +
4440               (bp->mac_addr[2] << 16) +
4441               bp->mac_addr[3] +
4442               (bp->mac_addr[4] << 8) +
4443               (bp->mac_addr[5] << 16);
4444         REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4445
4446         /* Program the MTU.  Also include 4 bytes for CRC32. */
4447         val = bp->dev->mtu + ETH_HLEN + 4;
4448         if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4449                 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4450         REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4451
4452         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4453                 bp->bnx2_napi[i].last_status_idx = 0;
4454
4455         bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4456
4457         /* Set up how to generate a link change interrupt. */
4458         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4459
4460         REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4461                (u64) bp->status_blk_mapping & 0xffffffff);
4462         REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4463
4464         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4465                (u64) bp->stats_blk_mapping & 0xffffffff);
4466         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4467                (u64) bp->stats_blk_mapping >> 32);
4468
4469         REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4470                (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4471
4472         REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4473                (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4474
4475         REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4476                (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4477
4478         REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4479
4480         REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4481
4482         REG_WR(bp, BNX2_HC_COM_TICKS,
4483                (bp->com_ticks_int << 16) | bp->com_ticks);
4484
4485         REG_WR(bp, BNX2_HC_CMD_TICKS,
4486                (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4487
4488         if (CHIP_NUM(bp) == CHIP_NUM_5708)
4489                 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4490         else
4491                 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4492         REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */
4493
4494         if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4495                 val = BNX2_HC_CONFIG_COLLECT_STATS;
4496         else {
4497                 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4498                       BNX2_HC_CONFIG_COLLECT_STATS;
4499         }
4500
4501         if (bp->flags & BNX2_FLAG_USING_MSIX) {
4502                 u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4503                            BNX2_HC_SB_CONFIG_1;
4504
4505                 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4506                        BNX2_HC_MSIX_BIT_VECTOR_VAL);
4507
4508                 REG_WR(bp, base,
4509                         BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
4510                         BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4511
4512                 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
4513                         (bp->tx_quick_cons_trip_int << 16) |
4514                          bp->tx_quick_cons_trip);
4515
4516                 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
4517                         (bp->tx_ticks_int << 16) | bp->tx_ticks);
4518
4519                 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4520         }
4521
4522         if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
4523                 val |= BNX2_HC_CONFIG_ONE_SHOT;
4524
4525         REG_WR(bp, BNX2_HC_CONFIG, val);
4526
4527         /* Clear internal stats counters. */
4528         REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4529
4530         REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4531
4532         /* Initialize the receive filter. */
4533         bnx2_set_rx_mode(bp->dev);
4534
4535         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4536                 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4537                 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4538                 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4539         }
4540         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
4541                           0);
4542
4543         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4544         REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4545
4546         udelay(20);
4547
4548         bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4549
4550         return rc;
4551 }
4552
4553 static void
4554 bnx2_clear_ring_states(struct bnx2 *bp)
4555 {
4556         struct bnx2_napi *bnapi;
4557         int i;
4558
4559         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4560                 bnapi = &bp->bnx2_napi[i];
4561
4562                 bnapi->tx_cons = 0;
4563                 bnapi->hw_tx_cons = 0;
4564                 bnapi->rx_prod_bseq = 0;
4565                 bnapi->rx_prod = 0;
4566                 bnapi->rx_cons = 0;
4567                 bnapi->rx_pg_prod = 0;
4568                 bnapi->rx_pg_cons = 0;
4569         }
4570 }
4571
4572 static void
4573 bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
4574 {
4575         u32 val, offset0, offset1, offset2, offset3;
4576         u32 cid_addr = GET_CID_ADDR(cid);
4577
4578         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4579                 offset0 = BNX2_L2CTX_TYPE_XI;
4580                 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
4581                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
4582                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
4583         } else {
4584                 offset0 = BNX2_L2CTX_TYPE;
4585                 offset1 = BNX2_L2CTX_CMD_TYPE;
4586                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
4587                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
4588         }
4589         val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
4590         bnx2_ctx_wr(bp, cid_addr, offset0, val);
4591
4592         val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
4593         bnx2_ctx_wr(bp, cid_addr, offset1, val);
4594
4595         val = (u64) bp->tx_desc_mapping >> 32;
4596         bnx2_ctx_wr(bp, cid_addr, offset2, val);
4597
4598         val = (u64) bp->tx_desc_mapping & 0xffffffff;
4599         bnx2_ctx_wr(bp, cid_addr, offset3, val);
4600 }
4601
4602 static void
4603 bnx2_init_tx_ring(struct bnx2 *bp)
4604 {
4605         struct tx_bd *txbd;
4606         u32 cid = TX_CID;
4607         struct bnx2_napi *bnapi;
4608
4609         bp->tx_vec = 0;
4610         if (bp->flags & BNX2_FLAG_USING_MSIX) {
4611                 cid = TX_TSS_CID;
4612                 bp->tx_vec = BNX2_TX_VEC;
4613                 REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
4614                        (TX_TSS_CID << 7));
4615         }
4616         bnapi = &bp->bnx2_napi[bp->tx_vec];
4617
4618         bp->tx_wake_thresh = bp->tx_ring_size / 2;
4619
4620         txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4621
4622         txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
4623         txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
4624
4625         bp->tx_prod = 0;
4626         bp->tx_prod_bseq = 0;
4627
4628         bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
4629         bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4630
4631         bnx2_init_tx_context(bp, cid);
4632 }
4633
4634 static void
4635 bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
4636                      int num_rings)
4637 {
4638         int i;
4639         struct rx_bd *rxbd;
4640
4641         for (i = 0; i < num_rings; i++) {
4642                 int j;
4643
4644                 rxbd = &rx_ring[i][0];
4645                 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4646                         rxbd->rx_bd_len = buf_size;
4647                         rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
4648                 }
4649                 if (i == (num_rings - 1))
4650                         j = 0;
4651                 else
4652                         j = i + 1;
4653                 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
4654                 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4655         }
4656 }
4657
4658 static void
4659 bnx2_init_rx_ring(struct bnx2 *bp)
4660 {
4661         int i;
4662         u16 prod, ring_prod;
4663         u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
4664         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
4665
4666         bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
4667                              bp->rx_buf_use_size, bp->rx_max_ring);
4668
4669         bnx2_init_rx_context0(bp);
4670
4671         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4672                 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
4673                 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
4674         }
4675
4676         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4677         if (bp->rx_pg_ring_size) {
4678                 bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
4679                                      bp->rx_pg_desc_mapping,
4680                                      PAGE_SIZE, bp->rx_max_pg_ring);
4681                 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
4682                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
4683                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
4684                        BNX2_L2CTX_RBDC_JUMBO_KEY);
4685
4686                 val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
4687                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
4688
4689                 val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
4690                 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
4691
4692                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
4693                         REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
4694         }
4695
4696         val = (u64) bp->rx_desc_mapping[0] >> 32;
4697         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4698
4699         val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
4700         bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4701
4702         ring_prod = prod = bnapi->rx_pg_prod;
4703         for (i = 0; i < bp->rx_pg_ring_size; i++) {
4704                 if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
4705                         break;
4706                 prod = NEXT_RX_BD(prod);
4707                 ring_prod = RX_PG_RING_IDX(prod);
4708         }
4709         bnapi->rx_pg_prod = prod;
4710
4711         ring_prod = prod = bnapi->rx_prod;
4712         for (i = 0; i < bp->rx_ring_size; i++) {
4713                 if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
4714                         break;
4715                 }
4716                 prod = NEXT_RX_BD(prod);
4717                 ring_prod = RX_RING_IDX(prod);
4718         }
4719         bnapi->rx_prod = prod;
4720
4721         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
4722                  bnapi->rx_pg_prod);
4723         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
4724
4725         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
4726 }
4727
4728 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4729 {
4730         u32 max, num_rings = 1;
4731
4732         while (ring_size > MAX_RX_DESC_CNT) {
4733                 ring_size -= MAX_RX_DESC_CNT;
4734                 num_rings++;
4735         }
4736         /* round to next power of 2 */
4737         max = max_size;
4738         while ((max & num_rings) == 0)
4739                 max >>= 1;
4740
4741         if (num_rings != max)
4742                 max <<= 1;
4743
4744         return max;
4745 }
4746
4747 static void
4748 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
4749 {
4750         u32 rx_size, rx_space, jumbo_size;
4751
4752         /* 8 for CRC and VLAN */
4753         rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
4754
4755         rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
4756                 sizeof(struct skb_shared_info);
4757
4758         bp->rx_copy_thresh = RX_COPY_THRESH;
4759         bp->rx_pg_ring_size = 0;
4760         bp->rx_max_pg_ring = 0;
4761         bp->rx_max_pg_ring_idx = 0;
4762         if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
4763                 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
4764
4765                 jumbo_size = size * pages;
4766                 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
4767                         jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
4768
4769                 bp->rx_pg_ring_size = jumbo_size;
4770                 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
4771                                                         MAX_RX_PG_RINGS);
4772                 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
4773                 rx_size = RX_COPY_THRESH + bp->rx_offset;
4774                 bp->rx_copy_thresh = 0;
4775         }
4776
4777         bp->rx_buf_use_size = rx_size;
4778         /* hw alignment */
4779         bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
4780         bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
4781         bp->rx_ring_size = size;
4782         bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4783         bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
4784 }
4785
4786 static void
4787 bnx2_free_tx_skbs(struct bnx2 *bp)
4788 {
4789         int i;
4790
4791         if (bp->tx_buf_ring == NULL)
4792                 return;
4793
4794         for (i = 0; i < TX_DESC_CNT; ) {
4795                 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
4796                 struct sk_buff *skb = tx_buf->skb;
4797                 int j, last;
4798
4799                 if (skb == NULL) {
4800                         i++;
4801                         continue;
4802                 }
4803
4804                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
4805                         skb_headlen(skb), PCI_DMA_TODEVICE);
4806
4807                 tx_buf->skb = NULL;
4808
4809                 last = skb_shinfo(skb)->nr_frags;
4810                 for (j = 0; j < last; j++) {
4811                         tx_buf = &bp->tx_buf_ring[i + j + 1];
4812                         pci_unmap_page(bp->pdev,
4813                                 pci_unmap_addr(tx_buf, mapping),
4814                                 skb_shinfo(skb)->frags[j].size,
4815                                 PCI_DMA_TODEVICE);
4816                 }
4817                 dev_kfree_skb(skb);
4818                 i += j + 1;
4819         }
4820
4821 }
4822
4823 static void
4824 bnx2_free_rx_skbs(struct bnx2 *bp)
4825 {
4826         int i;
4827
4828         if (bp->rx_buf_ring == NULL)
4829                 return;
4830
4831         for (i = 0; i < bp->rx_max_ring_idx; i++) {
4832                 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4833                 struct sk_buff *skb = rx_buf->skb;
4834
4835                 if (skb == NULL)
4836                         continue;
4837
4838                 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4839                         bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4840
4841                 rx_buf->skb = NULL;
4842
4843                 dev_kfree_skb(skb);
4844         }
4845         for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
4846                 bnx2_free_rx_page(bp, i);
4847 }
4848
4849 static void
4850 bnx2_free_skbs(struct bnx2 *bp)
4851 {
4852         bnx2_free_tx_skbs(bp);
4853         bnx2_free_rx_skbs(bp);
4854 }
4855
4856 static int
4857 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4858 {
4859         int rc;
4860
4861         rc = bnx2_reset_chip(bp, reset_code);
4862         bnx2_free_skbs(bp);
4863         if (rc)
4864                 return rc;
4865
4866         if ((rc = bnx2_init_chip(bp)) != 0)
4867                 return rc;
4868
4869         bnx2_clear_ring_states(bp);
4870         bnx2_init_tx_ring(bp);
4871         bnx2_init_rx_ring(bp);
4872         return 0;
4873 }
4874
4875 static int
4876 bnx2_init_nic(struct bnx2 *bp)
4877 {
4878         int rc;
4879
4880         if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4881                 return rc;
4882
4883         spin_lock_bh(&bp->phy_lock);
4884         bnx2_init_phy(bp);
4885         bnx2_set_link(bp);
4886         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
4887                 bnx2_remote_phy_event(bp);
4888         spin_unlock_bh(&bp->phy_lock);
4889         return 0;
4890 }
4891
4892 static int
4893 bnx2_test_registers(struct bnx2 *bp)
4894 {
4895         int ret;
4896         int i, is_5709;
4897         static const struct {
4898                 u16   offset;
4899                 u16   flags;
4900 #define BNX2_FL_NOT_5709        1
4901                 u32   rw_mask;
4902                 u32   ro_mask;
4903         } reg_tbl[] = {
4904                 { 0x006c, 0, 0x00000000, 0x0000003f },
4905                 { 0x0090, 0, 0xffffffff, 0x00000000 },
4906                 { 0x0094, 0, 0x00000000, 0x00000000 },
4907
4908                 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4909                 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4910                 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4911                 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4912                 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4913                 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4914                 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4915                 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4916                 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4917
4918                 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4919                 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4920                 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4921                 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4922                 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4923                 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4924
4925                 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4926                 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4927                 { 0x0c08, BNX2_FL_NOT_5709,  0x0f0ff073, 0x00000000 },
4928
4929                 { 0x1000, 0, 0x00000000, 0x00000001 },
4930                 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
4931
4932                 { 0x1408, 0, 0x01c00800, 0x00000000 },
4933                 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4934                 { 0x14a8, 0, 0x00000000, 0x000001ff },
4935                 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
4936                 { 0x14b0, 0, 0x00000002, 0x00000001 },
4937                 { 0x14b8, 0, 0x00000000, 0x00000000 },
4938                 { 0x14c0, 0, 0x00000000, 0x00000009 },
4939                 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4940                 { 0x14cc, 0, 0x00000000, 0x00000001 },
4941                 { 0x14d0, 0, 0xffffffff, 0x00000000 },
4942
4943                 { 0x1800, 0, 0x00000000, 0x00000001 },
4944                 { 0x1804, 0, 0x00000000, 0x00000003 },
4945
4946                 { 0x2800, 0, 0x00000000, 0x00000001 },
4947                 { 0x2804, 0, 0x00000000, 0x00003f01 },
4948                 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4949                 { 0x2810, 0, 0xffff0000, 0x00000000 },
4950                 { 0x2814, 0, 0xffff0000, 0x00000000 },
4951                 { 0x2818, 0, 0xffff0000, 0x00000000 },
4952                 { 0x281c, 0, 0xffff0000, 0x00000000 },
4953                 { 0x2834, 0, 0xffffffff, 0x00000000 },
4954                 { 0x2840, 0, 0x00000000, 0xffffffff },
4955                 { 0x2844, 0, 0x00000000, 0xffffffff },
4956                 { 0x2848, 0, 0xffffffff, 0x00000000 },
4957                 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4958
4959                 { 0x2c00, 0, 0x00000000, 0x00000011 },
4960                 { 0x2c04, 0, 0x00000000, 0x00030007 },
4961
4962                 { 0x3c00, 0, 0x00000000, 0x00000001 },
4963                 { 0x3c04, 0, 0x00000000, 0x00070000 },
4964                 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4965                 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4966                 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4967                 { 0x3c14, 0, 0x00000000, 0xffffffff },
4968                 { 0x3c18, 0, 0x00000000, 0xffffffff },
4969                 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4970                 { 0x3c20, 0, 0xffffff00, 0x00000000 },
4971
4972                 { 0x5004, 0, 0x00000000, 0x0000007f },
4973                 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
4974
4975                 { 0x5c00, 0, 0x00000000, 0x00000001 },
4976                 { 0x5c04, 0, 0x00000000, 0x0003000f },
4977                 { 0x5c08, 0, 0x00000003, 0x00000000 },
4978                 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4979                 { 0x5c10, 0, 0x00000000, 0xffffffff },
4980                 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4981                 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4982                 { 0x5c88, 0, 0x00000000, 0x00077373 },
4983                 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4984
4985                 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4986                 { 0x680c, 0, 0xffffffff, 0x00000000 },
4987                 { 0x6810, 0, 0xffffffff, 0x00000000 },
4988                 { 0x6814, 0, 0xffffffff, 0x00000000 },
4989                 { 0x6818, 0, 0xffffffff, 0x00000000 },
4990                 { 0x681c, 0, 0xffffffff, 0x00000000 },
4991                 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4992                 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4993                 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4994                 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4995                 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4996                 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4997                 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4998                 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4999                 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5000                 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5001                 { 0x684c, 0, 0xffffffff, 0x00000000 },
5002                 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5003                 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5004                 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5005                 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5006                 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5007                 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5008
5009                 { 0xffff, 0, 0x00000000, 0x00000000 },
5010         };
5011
5012         ret = 0;
5013         is_5709 = 0;
5014         if (CHIP_NUM(bp) == CHIP_NUM_5709)
5015                 is_5709 = 1;
5016
5017         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5018                 u32 offset, rw_mask, ro_mask, save_val, val;
5019                 u16 flags = reg_tbl[i].flags;
5020
5021                 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5022                         continue;
5023
5024                 offset = (u32) reg_tbl[i].offset;
5025                 rw_mask = reg_tbl[i].rw_mask;
5026                 ro_mask = reg_tbl[i].ro_mask;
5027
5028                 save_val = readl(bp->regview + offset);
5029
5030                 writel(0, bp->regview + offset);
5031
5032                 val = readl(bp->regview + offset);
5033                 if ((val & rw_mask) != 0) {
5034                         goto reg_test_err;
5035                 }
5036
5037                 if ((val & ro_mask) != (save_val & ro_mask)) {
5038                         goto reg_test_err;
5039                 }
5040
5041                 writel(0xffffffff, bp->regview + offset);
5042
5043                 val = readl(bp->regview + offset);
5044                 if ((val & rw_mask) != rw_mask) {
5045                         goto reg_test_err;
5046                 }
5047
5048                 if ((val & ro_mask) != (save_val & ro_mask)) {
5049                         goto reg_test_err;
5050                 }
5051
5052                 writel(save_val, bp->regview + offset);
5053                 continue;
5054
5055 reg_test_err:
5056                 writel(save_val, bp->regview + offset);
5057                 ret = -ENODEV;
5058                 break;
5059         }
5060         return ret;
5061 }
5062
5063 static int
5064 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5065 {
5066         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
5067                 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5068         int i;
5069
5070         for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5071                 u32 offset;
5072
5073                 for (offset = 0; offset < size; offset += 4) {
5074
5075                         bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
5076
5077                         if (bnx2_reg_rd_ind(bp, start + offset) !=
5078                                 test_pattern[i]) {
5079                                 return -ENODEV;
5080                         }
5081                 }
5082         }
5083         return 0;
5084 }
5085
5086 static int
5087 bnx2_test_memory(struct bnx2 *bp)
5088 {
5089         int ret = 0;
5090         int i;
5091         static struct mem_entry {
5092                 u32   offset;
5093                 u32   len;
5094         } mem_tbl_5706[] = {
5095                 { 0x60000,  0x4000 },
5096                 { 0xa0000,  0x3000 },
5097                 { 0xe0000,  0x4000 },
5098                 { 0x120000, 0x4000 },
5099                 { 0x1a0000, 0x4000 },
5100                 { 0x160000, 0x4000 },
5101                 { 0xffffffff, 0    },
5102         },
5103         mem_tbl_5709[] = {
5104                 { 0x60000,  0x4000 },
5105                 { 0xa0000,  0x3000 },
5106                 { 0xe0000,  0x4000 },
5107                 { 0x120000, 0x4000 },
5108                 { 0x1a0000, 0x4000 },
5109                 { 0xffffffff, 0    },
5110         };
5111         struct mem_entry *mem_tbl;
5112
5113         if (CHIP_NUM(bp) == CHIP_NUM_5709)
5114                 mem_tbl = mem_tbl_5709;
5115         else
5116                 mem_tbl = mem_tbl_5706;
5117
5118         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5119                 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5120                         mem_tbl[i].len)) != 0) {
5121                         return ret;
5122                 }
5123         }
5124
5125         return ret;
5126 }
5127
5128 #define BNX2_MAC_LOOPBACK       0
5129 #define BNX2_PHY_LOOPBACK       1
5130
5131 static int
5132 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
5133 {
5134         unsigned int pkt_size, num_pkts, i;
5135         struct sk_buff *skb, *rx_skb;
5136         unsigned char *packet;
5137         u16 rx_start_idx, rx_idx;
5138         dma_addr_t map;
5139         struct tx_bd *txbd;
5140         struct sw_bd *rx_buf;
5141         struct l2_fhdr *rx_hdr;
5142         int ret = -ENODEV;
5143         struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
5144
5145         tx_napi = bnapi;
5146         if (bp->flags & BNX2_FLAG_USING_MSIX)
5147                 tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
5148
5149         if (loopback_mode == BNX2_MAC_LOOPBACK) {
5150                 bp->loopback = MAC_LOOPBACK;
5151                 bnx2_set_mac_loopback(bp);
5152         }
5153         else if (loopback_mode == BNX2_PHY_LOOPBACK) {
5154                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5155                         return 0;
5156
5157                 bp->loopback = PHY_LOOPBACK;
5158                 bnx2_set_phy_loopback(bp);
5159         }
5160         else
5161                 return -EINVAL;
5162
5163         pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
5164         skb = netdev_alloc_skb(bp->dev, pkt_size);
5165         if (!skb)
5166                 return -ENOMEM;
5167         packet = skb_put(skb, pkt_size);
5168         memcpy(packet, bp->dev->dev_addr, 6);
5169         memset(packet + 6, 0x0, 8);
5170         for (i = 14; i < pkt_size; i++)
5171                 packet[i] = (unsigned char) (i & 0xff);
5172
5173         map = pci_map_single(bp->pdev, skb->data, pkt_size,
5174                 PCI_DMA_TODEVICE);
5175
5176         REG_WR(bp, BNX2_HC_COMMAND,
5177                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5178
5179         REG_RD(bp, BNX2_HC_COMMAND);
5180
5181         udelay(5);
5182         rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
5183
5184         num_pkts = 0;
5185
5186         txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
5187
5188         txbd->tx_bd_haddr_hi = (u64) map >> 32;
5189         txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5190         txbd->tx_bd_mss_nbytes = pkt_size;
5191         txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5192
5193         num_pkts++;
5194         bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
5195         bp->tx_prod_bseq += pkt_size;
5196
5197         REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
5198         REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5199
5200         udelay(100);
5201
5202         REG_WR(bp, BNX2_HC_COMMAND,
5203                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5204
5205         REG_RD(bp, BNX2_HC_COMMAND);
5206
5207         udelay(5);
5208
5209         pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
5210         dev_kfree_skb(skb);
5211
5212         if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
5213                 goto loopback_test_done;
5214
5215         rx_idx = bnx2_get_hw_rx_cons(bnapi);
5216         if (rx_idx != rx_start_idx + num_pkts) {
5217                 goto loopback_test_done;
5218         }
5219
5220         rx_buf = &bp->rx_buf_ring[rx_start_idx];
5221         rx_skb = rx_buf->skb;
5222
5223         rx_hdr = (struct l2_fhdr *) rx_skb->data;
5224         skb_reserve(rx_skb, bp->rx_offset);
5225
5226         pci_dma_sync_single_for_cpu(bp->pdev,
5227                 pci_unmap_addr(rx_buf, mapping),
5228                 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5229
5230         if (rx_hdr->l2_fhdr_status &
5231                 (L2_FHDR_ERRORS_BAD_CRC |
5232                 L2_FHDR_ERRORS_PHY_DECODE |
5233                 L2_FHDR_ERRORS_ALIGNMENT |
5234                 L2_FHDR_ERRORS_TOO_SHORT |
5235                 L2_FHDR_ERRORS_GIANT_FRAME)) {
5236
5237                 goto loopback_test_done;
5238         }
5239
5240         if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5241                 goto loopback_test_done;
5242         }
5243
5244         for (i = 14; i < pkt_size; i++) {
5245                 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5246                         goto loopback_test_done;
5247                 }
5248         }
5249
5250         ret = 0;
5251
5252 loopback_test_done:
5253         bp->loopback = 0;
5254         return ret;
5255 }
5256
5257 #define BNX2_MAC_LOOPBACK_FAILED        1
5258 #define BNX2_PHY_LOOPBACK_FAILED        2
5259 #define BNX2_LOOPBACK_FAILED            (BNX2_MAC_LOOPBACK_FAILED |     \
5260                                          BNX2_PHY_LOOPBACK_FAILED)
5261
5262 static int
5263 bnx2_test_loopback(struct bnx2 *bp)
5264 {
5265         int rc = 0;
5266
5267         if (!netif_running(bp->dev))
5268                 return BNX2_LOOPBACK_FAILED;
5269
5270         bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5271         spin_lock_bh(&bp->phy_lock);
5272         bnx2_init_phy(bp);
5273         spin_unlock_bh(&bp->phy_lock);
5274         if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5275                 rc |= BNX2_MAC_LOOPBACK_FAILED;
5276         if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5277                 rc |= BNX2_PHY_LOOPBACK_FAILED;
5278         return rc;
5279 }
5280
5281 #define NVRAM_SIZE 0x200
5282 #define CRC32_RESIDUAL 0xdebb20e3
5283
5284 static int
5285 bnx2_test_nvram(struct bnx2 *bp)
5286 {
5287         __be32 buf[NVRAM_SIZE / 4];
5288         u8 *data = (u8 *) buf;
5289         int rc = 0;
5290         u32 magic, csum;
5291
5292         if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5293                 goto test_nvram_done;
5294
5295         magic = be32_to_cpu(buf[0]);
5296         if (magic != 0x669955aa) {
5297                 rc = -ENODEV;
5298                 goto test_nvram_done;
5299         }
5300
5301         if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5302                 goto test_nvram_done;
5303
5304         csum = ether_crc_le(0x100, data);
5305         if (csum != CRC32_RESIDUAL) {
5306                 rc = -ENODEV;
5307                 goto test_nvram_done;
5308         }
5309
5310         csum = ether_crc_le(0x100, data + 0x100);
5311         if (csum != CRC32_RESIDUAL) {
5312                 rc = -ENODEV;
5313         }
5314
5315 test_nvram_done:
5316         return rc;
5317 }
5318
5319 static int
5320 bnx2_test_link(struct bnx2 *bp)
5321 {
5322         u32 bmsr;
5323
5324         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
5325                 if (bp->link_up)
5326                         return 0;
5327                 return -ENODEV;
5328         }
5329         spin_lock_bh(&bp->phy_lock);
5330         bnx2_enable_bmsr1(bp);
5331         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5332         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5333         bnx2_disable_bmsr1(bp);
5334         spin_unlock_bh(&bp->phy_lock);
5335
5336         if (bmsr & BMSR_LSTATUS) {
5337                 return 0;
5338         }
5339         return -ENODEV;
5340 }
5341
5342 static int
5343 bnx2_test_intr(struct bnx2 *bp)
5344 {
5345         int i;
5346         u16 status_idx;
5347
5348         if (!netif_running(bp->dev))
5349                 return -ENODEV;
5350
5351         status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5352
5353         /* This register is not touched during run-time. */
5354         REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
5355         REG_RD(bp, BNX2_HC_COMMAND);
5356
5357         for (i = 0; i < 10; i++) {
5358                 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5359                         status_idx) {
5360
5361                         break;
5362                 }
5363
5364                 msleep_interruptible(10);
5365         }
5366         if (i < 10)
5367                 return 0;
5368
5369         return -ENODEV;
5370 }
5371
5372 /* Determining link for parallel detection. */
5373 static int
5374 bnx2_5706_serdes_has_link(struct bnx2 *bp)
5375 {
5376         u32 mode_ctl, an_dbg, exp;
5377
5378         if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5379                 return 0;
5380
5381         bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5382         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5383
5384         if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5385                 return 0;
5386
5387         bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5388         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5389         bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5390
5391         if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
5392                 return 0;
5393
5394         bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5395         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5396         bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5397
5398         if (exp & MII_EXPAND_REG1_RUDI_C)       /* receiving CONFIG */
5399                 return 0;
5400
5401         return 1;
5402 }
5403
5404 static void
5405 bnx2_5706_serdes_timer(struct bnx2 *bp)
5406 {
5407         int check_link = 1;
5408
5409         spin_lock(&bp->phy_lock);
5410         if (bp->serdes_an_pending) {
5411                 bp->serdes_an_pending--;
5412                 check_link = 0;
5413         } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5414                 u32 bmcr;
5415
5416                 bp->current_interval = bp->timer_interval;
5417
5418                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5419
5420                 if (bmcr & BMCR_ANENABLE) {
5421                         if (bnx2_5706_serdes_has_link(bp)) {
5422                                 bmcr &= ~BMCR_ANENABLE;
5423                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
5424                                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5425                                 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
5426                         }
5427                 }
5428         }
5429         else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
5430                  (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
5431                 u32 phy2;
5432
5433                 bnx2_write_phy(bp, 0x17, 0x0f01);
5434                 bnx2_read_phy(bp, 0x15, &phy2);
5435                 if (phy2 & 0x20) {
5436                         u32 bmcr;
5437
5438                         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5439                         bmcr |= BMCR_ANENABLE;
5440                         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5441
5442                         bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
5443                 }
5444         } else
5445                 bp->current_interval = bp->timer_interval;
5446
5447         if (check_link) {
5448                 u32 val;
5449
5450                 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5451                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5452                 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5453
5454                 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5455                         if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5456                                 bnx2_5706s_force_link_dn(bp, 1);
5457                                 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5458                         } else
5459                                 bnx2_set_link(bp);
5460                 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
5461                         bnx2_set_link(bp);
5462         }
5463         spin_unlock(&bp->phy_lock);
5464 }
5465
5466 static void
5467 bnx2_5708_serdes_timer(struct bnx2 *bp)
5468 {
5469         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5470                 return;
5471
5472         if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
5473                 bp->serdes_an_pending = 0;
5474                 return;
5475         }
5476
5477         spin_lock(&bp->phy_lock);
5478         if (bp->serdes_an_pending)
5479                 bp->serdes_an_pending--;
5480         else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
5481                 u32 bmcr;
5482
5483                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5484                 if (bmcr & BMCR_ANENABLE) {
5485                         bnx2_enable_forced_2g5(bp);
5486                         bp->current_interval = SERDES_FORCED_TIMEOUT;
5487                 } else {
5488                         bnx2_disable_forced_2g5(bp);
5489                         bp->serdes_an_pending = 2;
5490                         bp->current_interval = bp->timer_interval;
5491                 }
5492
5493         } else
5494                 bp->current_interval = bp->timer_interval;
5495
5496         spin_unlock(&bp->phy_lock);
5497 }
5498
5499 static void
5500 bnx2_timer(unsigned long data)
5501 {
5502         struct bnx2 *bp = (struct bnx2 *) data;
5503
5504         if (!netif_running(bp->dev))
5505                 return;
5506
5507         if (atomic_read(&bp->intr_sem) != 0)
5508                 goto bnx2_restart_timer;
5509
5510         bnx2_send_heart_beat(bp);
5511
5512         bp->stats_blk->stat_FwRxDrop =
5513                 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
5514
5515         /* workaround occasional corrupted counters */
5516         if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
5517                 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
5518                                             BNX2_HC_COMMAND_STATS_NOW);
5519
5520         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
5521                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
5522                         bnx2_5706_serdes_timer(bp);
5523                 else
5524                         bnx2_5708_serdes_timer(bp);
5525         }
5526
5527 bnx2_restart_timer:
5528         mod_timer(&bp->timer, jiffies + bp->current_interval);
5529 }
5530
5531 static int
5532 bnx2_request_irq(struct bnx2 *bp)
5533 {
5534         struct net_device *dev = bp->dev;
5535         unsigned long flags;
5536         struct bnx2_irq *irq;
5537         int rc = 0, i;
5538
5539         if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
5540                 flags = 0;
5541         else
5542                 flags = IRQF_SHARED;
5543
5544         for (i = 0; i < bp->irq_nvecs; i++) {
5545                 irq = &bp->irq_tbl[i];
5546                 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
5547                                  dev);
5548                 if (rc)
5549                         break;
5550                 irq->requested = 1;
5551         }
5552         return rc;
5553 }
5554
5555 static void
5556 bnx2_free_irq(struct bnx2 *bp)
5557 {
5558         struct net_device *dev = bp->dev;
5559         struct bnx2_irq *irq;
5560         int i;
5561
5562         for (i = 0; i < bp->irq_nvecs; i++) {
5563                 irq = &bp->irq_tbl[i];
5564                 if (irq->requested)
5565                         free_irq(irq->vector, dev);
5566                 irq->requested = 0;
5567         }
5568         if (bp->flags & BNX2_FLAG_USING_MSI)
5569                 pci_disable_msi(bp->pdev);
5570         else if (bp->flags & BNX2_FLAG_USING_MSIX)
5571                 pci_disable_msix(bp->pdev);
5572
5573         bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
5574 }
5575
5576 static void
5577 bnx2_enable_msix(struct bnx2 *bp)
5578 {
5579         int i, rc;
5580         struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
5581
5582         bnx2_setup_msix_tbl(bp);
5583         REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
5584         REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
5585         REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
5586
5587         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5588                 msix_ent[i].entry = i;
5589                 msix_ent[i].vector = 0;
5590         }
5591
5592         rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
5593         if (rc != 0)
5594                 return;
5595
5596         bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
5597         bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;
5598
5599         strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
5600         strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
5601         strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
5602         strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");
5603
5604         bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
5605         bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
5606         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
5607                 bp->irq_tbl[i].vector = msix_ent[i].vector;
5608 }
5609
5610 static void
5611 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
5612 {
5613         bp->irq_tbl[0].handler = bnx2_interrupt;
5614         strcpy(bp->irq_tbl[0].name, bp->dev->name);
5615         bp->irq_nvecs = 1;
5616         bp->irq_tbl[0].vector = bp->pdev->irq;
5617
5618         if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
5619                 bnx2_enable_msix(bp);
5620
5621         if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
5622             !(bp->flags & BNX2_FLAG_USING_MSIX)) {
5623                 if (pci_enable_msi(bp->pdev) == 0) {
5624                         bp->flags |= BNX2_FLAG_USING_MSI;
5625                         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5626                                 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
5627                                 bp->irq_tbl[0].handler = bnx2_msi_1shot;
5628                         } else
5629                                 bp->irq_tbl[0].handler = bnx2_msi;
5630
5631                         bp->irq_tbl[0].vector = bp->pdev->irq;
5632                 }
5633         }
5634 }
5635
5636 /* Called with rtnl_lock */
5637 static int
5638 bnx2_open(struct net_device *dev)
5639 {
5640         struct bnx2 *bp = netdev_priv(dev);
5641         int rc;
5642
5643         netif_carrier_off(dev);
5644
5645         bnx2_set_power_state(bp, PCI_D0);
5646         bnx2_disable_int(bp);
5647
5648         rc = bnx2_alloc_mem(bp);
5649         if (rc)
5650                 return rc;
5651
5652         bnx2_setup_int_mode(bp, disable_msi);
5653         bnx2_napi_enable(bp);
5654         rc = bnx2_request_irq(bp);
5655
5656         if (rc) {
5657                 bnx2_napi_disable(bp);
5658                 bnx2_free_mem(bp);
5659                 return rc;
5660         }
5661
5662         rc = bnx2_init_nic(bp);
5663
5664         if (rc) {
5665                 bnx2_napi_disable(bp);
5666                 bnx2_free_irq(bp);
5667                 bnx2_free_skbs(bp);
5668                 bnx2_free_mem(bp);
5669                 return rc;
5670         }
5671
5672         mod_timer(&bp->timer, jiffies + bp->current_interval);
5673
5674         atomic_set(&bp->intr_sem, 0);
5675
5676         bnx2_enable_int(bp);
5677
5678         if (bp->flags & BNX2_FLAG_USING_MSI) {
5679                 /* Test MSI to make sure it is working
5680                  * If MSI test fails, go back to INTx mode
5681                  */
5682                 if (bnx2_test_intr(bp) != 0) {
5683                         printk(KERN_WARNING PFX "%s: No interrupt was generated"
5684                                " using MSI, switching to INTx mode. Please"
5685                                " report this failure to the PCI maintainer"
5686                                " and include system chipset information.\n",
5687                                bp->dev->name);
5688
5689                         bnx2_disable_int(bp);
5690                         bnx2_free_irq(bp);
5691
5692                         bnx2_setup_int_mode(bp, 1);
5693
5694                         rc = bnx2_init_nic(bp);
5695
5696                         if (!rc)
5697                                 rc = bnx2_request_irq(bp);
5698
5699                         if (rc) {
5700                                 bnx2_napi_disable(bp);
5701                                 bnx2_free_skbs(bp);
5702                                 bnx2_free_mem(bp);
5703                                 del_timer_sync(&bp->timer);
5704                                 return rc;
5705                         }
5706                         bnx2_enable_int(bp);
5707                 }
5708         }
5709         if (bp->flags & BNX2_FLAG_USING_MSI)
5710                 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
5711         else if (bp->flags & BNX2_FLAG_USING_MSIX)
5712                 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
5713
5714         netif_start_queue(dev);
5715
5716         return 0;
5717 }
5718
5719 static void
5720 bnx2_reset_task(struct work_struct *work)
5721 {
5722         struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5723
5724         if (!netif_running(bp->dev))
5725                 return;
5726
5727         bp->in_reset_task = 1;
5728         bnx2_netif_stop(bp);
5729
5730         bnx2_init_nic(bp);
5731
5732         atomic_set(&bp->intr_sem, 1);
5733         bnx2_netif_start(bp);
5734         bp->in_reset_task = 0;
5735 }
5736
5737 static void
5738 bnx2_tx_timeout(struct net_device *dev)
5739 {
5740         struct bnx2 *bp = netdev_priv(dev);
5741
5742         /* This allows the netif to be shutdown gracefully before resetting */
5743         schedule_work(&bp->reset_task);
5744 }
5745
5746 #ifdef BCM_VLAN
5747 /* Called with rtnl_lock */
5748 static void
5749 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
5750 {
5751         struct bnx2 *bp = netdev_priv(dev);
5752
5753         bnx2_netif_stop(bp);
5754
5755         bp->vlgrp = vlgrp;
5756         bnx2_set_rx_mode(dev);
5757
5758         bnx2_netif_start(bp);
5759 }
5760 #endif
5761
5762 /* Called with netif_tx_lock.
5763  * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
5764  * netif_wake_queue().
5765  */
5766 static int
5767 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
5768 {
5769         struct bnx2 *bp = netdev_priv(dev);
5770         dma_addr_t mapping;
5771         struct tx_bd *txbd;
5772         struct sw_bd *tx_buf;
5773         u32 len, vlan_tag_flags, last_frag, mss;
5774         u16 prod, ring_prod;
5775         int i;
5776         struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
5777
5778         if (unlikely(bnx2_tx_avail(bp, bnapi) <
5779             (skb_shinfo(skb)->nr_frags + 1))) {
5780                 netif_stop_queue(dev);
5781                 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
5782                         dev->name);
5783
5784                 return NETDEV_TX_BUSY;
5785         }
5786         len = skb_headlen(skb);
5787         prod = bp->tx_prod;
5788         ring_prod = TX_RING_IDX(prod);
5789
5790         vlan_tag_flags = 0;
5791         if (skb->ip_summed == CHECKSUM_PARTIAL) {
5792                 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
5793         }
5794
5795         if (bp->vlgrp && vlan_tx_tag_present(skb)) {
5796                 vlan_tag_flags |=
5797                         (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
5798         }
5799         if ((mss = skb_shinfo(skb)->gso_size)) {
5800                 u32 tcp_opt_len, ip_tcp_len;
5801                 struct iphdr *iph;
5802
5803                 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
5804
5805                 tcp_opt_len = tcp_optlen(skb);
5806
5807                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
5808                         u32 tcp_off = skb_transport_offset(skb) -
5809                                       sizeof(struct ipv6hdr) - ETH_HLEN;
5810
5811                         vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
5812                                           TX_BD_FLAGS_SW_FLAGS;
5813                         if (likely(tcp_off == 0))
5814                                 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
5815                         else {
5816                                 tcp_off >>= 3;
5817                                 vlan_tag_flags |= ((tcp_off & 0x3) <<
5818                                                    TX_BD_FLAGS_TCP6_OFF0_SHL) |
5819                                                   ((tcp_off & 0x10) <<
5820                                                    TX_BD_FLAGS_TCP6_OFF4_SHL);
5821                                 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
5822                         }
5823                 } else {
5824                         if (skb_header_cloned(skb) &&
5825                             pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5826                                 dev_kfree_skb(skb);
5827                                 return NETDEV_TX_OK;
5828                         }
5829
5830                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5831
5832                         iph = ip_hdr(skb);
5833                         iph->check = 0;
5834                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5835                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5836                                                                  iph->daddr, 0,
5837                                                                  IPPROTO_TCP,
5838                                                                  0);
5839                         if (tcp_opt_len || (iph->ihl > 5)) {
5840                                 vlan_tag_flags |= ((iph->ihl - 5) +
5841                                                    (tcp_opt_len >> 2)) << 8;
5842                         }
5843                 }
5844         } else
5845                 mss = 0;
5846
5847         mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5848
5849         tx_buf = &bp->tx_buf_ring[ring_prod];
5850         tx_buf->skb = skb;
5851         pci_unmap_addr_set(tx_buf, mapping, mapping);
5852
5853         txbd = &bp->tx_desc_ring[ring_prod];
5854
5855         txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5856         txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5857         txbd->tx_bd_mss_nbytes = len | (mss << 16);
5858         txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
5859
5860         last_frag = skb_shinfo(skb)->nr_frags;
5861
5862         for (i = 0; i < last_frag; i++) {
5863                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5864
5865                 prod = NEXT_TX_BD(prod);
5866                 ring_prod = TX_RING_IDX(prod);
5867                 txbd = &bp->tx_desc_ring[ring_prod];
5868
5869                 len = frag->size;
5870                 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
5871                         len, PCI_DMA_TODEVICE);
5872                 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
5873                                 mapping, mapping);
5874
5875                 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
5876                 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
5877                 txbd->tx_bd_mss_nbytes = len | (mss << 16);
5878                 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
5879
5880         }
5881         txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
5882
5883         prod = NEXT_TX_BD(prod);
5884         bp->tx_prod_bseq += skb->len;
5885
5886         REG_WR16(bp, bp->tx_bidx_addr, prod);
5887         REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5888
5889         mmiowb();
5890
5891         bp->tx_prod = prod;
5892         dev->trans_start = jiffies;
5893
5894         if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
5895                 netif_stop_queue(dev);
5896                 if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
5897                         netif_wake_queue(dev);
5898         }
5899
5900         return NETDEV_TX_OK;
5901 }
5902
5903 /* Called with rtnl_lock */
5904 static int
5905 bnx2_close(struct net_device *dev)
5906 {
5907         struct bnx2 *bp = netdev_priv(dev);
5908         u32 reset_code;
5909
5910         /* Calling flush_scheduled_work() may deadlock because
5911          * linkwatch_event() may be on the workqueue and it will try to get
5912          * the rtnl_lock which we are holding.
5913          */
5914         while (bp->in_reset_task)
5915                 msleep(1);
5916
5917         bnx2_disable_int_sync(bp);
5918         bnx2_napi_disable(bp);
5919         del_timer_sync(&bp->timer);
5920         if (bp->flags & BNX2_FLAG_NO_WOL)
5921                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5922         else if (bp->wol)
5923                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5924         else
5925                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5926         bnx2_reset_chip(bp, reset_code);
5927         bnx2_free_irq(bp);
5928         bnx2_free_skbs(bp);
5929         bnx2_free_mem(bp);
5930         bp->link_up = 0;
5931         netif_carrier_off(bp->dev);
5932         bnx2_set_power_state(bp, PCI_D3hot);
5933         return 0;
5934 }
5935
5936 #define GET_NET_STATS64(ctr)                                    \
5937         (unsigned long) ((unsigned long) (ctr##_hi) << 32) +    \
5938         (unsigned long) (ctr##_lo)
5939
5940 #define GET_NET_STATS32(ctr)            \
5941         (ctr##_lo)
5942
5943 #if (BITS_PER_LONG == 64)
5944 #define GET_NET_STATS   GET_NET_STATS64
5945 #else
5946 #define GET_NET_STATS   GET_NET_STATS32
5947 #endif
5948
5949 static struct net_device_stats *
5950 bnx2_get_stats(struct net_device *dev)
5951 {
5952         struct bnx2 *bp = netdev_priv(dev);
5953         struct statistics_block *stats_blk = bp->stats_blk;
5954         struct net_device_stats *net_stats = &bp->net_stats;
5955
5956         if (bp->stats_blk == NULL) {
5957                 return net_stats;
5958         }
5959         net_stats->rx_packets =
5960                 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
5961                 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
5962                 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
5963
5964         net_stats->tx_packets =
5965                 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
5966                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
5967                 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
5968
5969         net_stats->rx_bytes =
5970                 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
5971
5972         net_stats->tx_bytes =
5973                 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
5974
5975         net_stats->multicast =
5976                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
5977
5978         net_stats->collisions =
5979                 (unsigned long) stats_blk->stat_EtherStatsCollisions;
5980
5981         net_stats->rx_length_errors =
5982                 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
5983                 stats_blk->stat_EtherStatsOverrsizePkts);
5984
5985         net_stats->rx_over_errors =
5986                 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
5987
5988         net_stats->rx_frame_errors =
5989                 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
5990
5991         net_stats->rx_crc_errors =
5992                 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
5993
5994         net_stats->rx_errors = net_stats->rx_length_errors +
5995                 net_stats->rx_over_errors + net_stats->rx_frame_errors +
5996                 net_stats->rx_crc_errors;
5997
5998         net_stats->tx_aborted_errors =
5999                 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
6000                 stats_blk->stat_Dot3StatsLateCollisions);
6001
6002         if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6003             (CHIP_ID(bp) == CHIP_ID_5708_A0))
6004                 net_stats->tx_carrier_errors = 0;
6005         else {
6006                 net_stats->tx_carrier_errors =
6007                         (unsigned long)
6008                         stats_blk->stat_Dot3StatsCarrierSenseErrors;
6009         }
6010
6011         net_stats->tx_errors =
6012                 (unsigned long)
6013                 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
6014                 +
6015                 net_stats->tx_aborted_errors +
6016                 net_stats->tx_carrier_errors;
6017
6018         net_stats->rx_missed_errors =
6019                 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
6020                 stats_blk->stat_FwRxDrop);
6021
6022         return net_stats;
6023 }
6024
6025 /* All ethtool functions called with rtnl_lock */
6026
6027 static int
6028 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6029 {
6030         struct bnx2 *bp = netdev_priv(dev);
6031         int support_serdes = 0, support_copper = 0;
6032
6033         cmd->supported = SUPPORTED_Autoneg;
6034         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6035                 support_serdes = 1;
6036                 support_copper = 1;
6037         } else if (bp->phy_port == PORT_FIBRE)
6038                 support_serdes = 1;
6039         else
6040                 support_copper = 1;
6041
6042         if (support_serdes) {
6043                 cmd->supported |= SUPPORTED_1000baseT_Full |
6044                         SUPPORTED_FIBRE;
6045                 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
6046                         cmd->supported |= SUPPORTED_2500baseX_Full;
6047
6048         }
6049         if (support_copper) {
6050                 cmd->supported |= SUPPORTED_10baseT_Half |
6051                         SUPPORTED_10baseT_Full |
6052                         SUPPORTED_100baseT_Half |
6053                         SUPPORTED_100baseT_Full |
6054                         SUPPORTED_1000baseT_Full |
6055                         SUPPORTED_TP;
6056
6057         }
6058
6059         spin_lock_bh(&bp->phy_lock);
6060         cmd->port = bp->phy_port;
6061         cmd->advertising = bp->advertising;
6062
6063         if (bp->autoneg & AUTONEG_SPEED) {
6064                 cmd->autoneg = AUTONEG_ENABLE;
6065         }
6066         else {
6067                 cmd->autoneg = AUTONEG_DISABLE;
6068         }
6069
6070         if (netif_carrier_ok(dev)) {
6071                 cmd->speed = bp->line_speed;
6072                 cmd->duplex = bp->duplex;
6073         }
6074         else {
6075                 cmd->speed = -1;
6076                 cmd->duplex = -1;
6077         }
6078         spin_unlock_bh(&bp->phy_lock);
6079
6080         cmd->transceiver = XCVR_INTERNAL;
6081         cmd->phy_address = bp->phy_addr;
6082
6083         return 0;
6084 }
6085
6086 static int
6087 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6088 {
6089         struct bnx2 *bp = netdev_priv(dev);
6090         u8 autoneg = bp->autoneg;
6091         u8 req_duplex = bp->req_duplex;
6092         u16 req_line_speed = bp->req_line_speed;
6093         u32 advertising = bp->advertising;
6094         int err = -EINVAL;
6095
6096         spin_lock_bh(&bp->phy_lock);
6097
6098         if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6099                 goto err_out_unlock;
6100
6101         if (cmd->port != bp->phy_port &&
6102             !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
6103                 goto err_out_unlock;
6104
6105         if (cmd->autoneg == AUTONEG_ENABLE) {
6106                 autoneg |= AUTONEG_SPEED;
6107
6108                 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
6109
6110                 /* allow advertising 1 speed */
6111                 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
6112                         (cmd->advertising == ADVERTISED_10baseT_Full) ||
6113                         (cmd->advertising == ADVERTISED_100baseT_Half) ||
6114                         (cmd->advertising == ADVERTISED_100baseT_Full)) {
6115
6116                         if (cmd->port == PORT_FIBRE)
6117                                 goto err_out_unlock;
6118
6119                         advertising = cmd->advertising;
6120
6121                 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
6122                         if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
6123                             (cmd->port == PORT_TP))
6124                                 goto err_out_unlock;
6125                 } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
6126                         advertising = cmd->advertising;
6127                 else if (cmd->advertising == ADVERTISED_1000baseT_Half)
6128                         goto err_out_unlock;
6129                 else {
6130                         if (cmd->port == PORT_FIBRE)
6131                                 advertising = ETHTOOL_ALL_FIBRE_SPEED;
6132                         else
6133                                 advertising = ETHTOOL_ALL_COPPER_SPEED;
6134                 }
6135                 advertising |= ADVERTISED_Autoneg;
6136         }
6137         else {
6138                 if (cmd->port == PORT_FIBRE) {
6139                         if ((cmd->speed != SPEED_1000 &&
6140                              cmd->speed != SPEED_2500) ||
6141                             (cmd->duplex != DUPLEX_FULL))
6142                                 goto err_out_unlock;
6143
6144                         if (cmd->speed == SPEED_2500 &&
6145                             !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
6146                                 goto err_out_unlock;
6147                 }
6148                 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6149                         goto err_out_unlock;
6150
6151                 autoneg &= ~AUTONEG_SPEED;
6152                 req_line_speed = cmd->speed;
6153                 req_duplex = cmd->duplex;
6154                 advertising = 0;
6155         }
6156
6157         bp->autoneg = autoneg;
6158         bp->advertising = advertising;
6159         bp->req_line_speed = req_line_speed;
6160         bp->req_duplex = req_duplex;
6161
6162         err = bnx2_setup_phy(bp, cmd->port);
6163
6164 err_out_unlock:
6165         spin_unlock_bh(&bp->phy_lock);
6166
6167         return err;
6168 }
6169
6170 static void
6171 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6172 {
6173         struct bnx2 *bp = netdev_priv(dev);
6174
6175         strcpy(info->driver, DRV_MODULE_NAME);
6176         strcpy(info->version, DRV_MODULE_VERSION);
6177         strcpy(info->bus_info, pci_name(bp->pdev));
6178         strcpy(info->fw_version, bp->fw_version);
6179 }
6180
6181 #define BNX2_REGDUMP_LEN                (32 * 1024)
6182
6183 static int
6184 bnx2_get_regs_len(struct net_device *dev)
6185 {
6186         return BNX2_REGDUMP_LEN;
6187 }
6188
6189 static void
6190 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6191 {
6192         u32 *p = _p, i, offset;
6193         u8 *orig_p = _p;
6194         struct bnx2 *bp = netdev_priv(dev);
6195         u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6196                                  0x0800, 0x0880, 0x0c00, 0x0c10,
6197                                  0x0c30, 0x0d08, 0x1000, 0x101c,
6198                                  0x1040, 0x1048, 0x1080, 0x10a4,
6199                                  0x1400, 0x1490, 0x1498, 0x14f0,
6200                                  0x1500, 0x155c, 0x1580, 0x15dc,
6201                                  0x1600, 0x1658, 0x1680, 0x16d8,
6202                                  0x1800, 0x1820, 0x1840, 0x1854,
6203                                  0x1880, 0x1894, 0x1900, 0x1984,
6204                                  0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6205                                  0x1c80, 0x1c94, 0x1d00, 0x1d84,
6206                                  0x2000, 0x2030, 0x23c0, 0x2400,
6207                                  0x2800, 0x2820, 0x2830, 0x2850,
6208                                  0x2b40, 0x2c10, 0x2fc0, 0x3058,
6209                                  0x3c00, 0x3c94, 0x4000, 0x4010,
6210                                  0x4080, 0x4090, 0x43c0, 0x4458,
6211                                  0x4c00, 0x4c18, 0x4c40, 0x4c54,
6212                                  0x4fc0, 0x5010, 0x53c0, 0x5444,
6213                                  0x5c00, 0x5c18, 0x5c80, 0x5c90,
6214                                  0x5fc0, 0x6000, 0x6400, 0x6428,
6215                                  0x6800, 0x6848, 0x684c, 0x6860,
6216                                  0x6888, 0x6910, 0x8000 };
6217
6218         regs->version = 0;
6219
6220         memset(p, 0, BNX2_REGDUMP_LEN);
6221
6222         if (!netif_running(bp->dev))
6223                 return;
6224
6225         i = 0;
6226         offset = reg_boundaries[0];
6227         p += offset;
6228         while (offset < BNX2_REGDUMP_LEN) {
6229                 *p++ = REG_RD(bp, offset);
6230                 offset += 4;
6231                 if (offset == reg_boundaries[i + 1]) {
6232                         offset = reg_boundaries[i + 2];
6233                         p = (u32 *) (orig_p + offset);
6234                         i += 2;
6235                 }
6236         }
6237 }
6238
6239 static void
6240 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6241 {
6242         struct bnx2 *bp = netdev_priv(dev);
6243
6244         if (bp->flags & BNX2_FLAG_NO_WOL) {
6245                 wol->supported = 0;
6246                 wol->wolopts = 0;
6247         }
6248         else {
6249                 wol->supported = WAKE_MAGIC;
6250                 if (bp->wol)
6251                         wol->wolopts = WAKE_MAGIC;
6252                 else
6253                         wol->wolopts = 0;
6254         }
6255         memset(&wol->sopass, 0, sizeof(wol->sopass));
6256 }
6257
6258 static int
6259 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6260 {
6261         struct bnx2 *bp = netdev_priv(dev);
6262
6263         if (wol->wolopts & ~WAKE_MAGIC)
6264                 return -EINVAL;
6265
6266         if (wol->wolopts & WAKE_MAGIC) {
6267                 if (bp->flags & BNX2_FLAG_NO_WOL)
6268                         return -EINVAL;
6269
6270                 bp->wol = 1;
6271         }
6272         else {
6273                 bp->wol = 0;
6274         }
6275         return 0;
6276 }
6277
6278 static int
6279 bnx2_nway_reset(struct net_device *dev)
6280 {
6281         struct bnx2 *bp = netdev_priv(dev);
6282         u32 bmcr;
6283
6284         if (!(bp->autoneg & AUTONEG_SPEED)) {
6285                 return -EINVAL;
6286         }
6287
6288         spin_lock_bh(&bp->phy_lock);
6289
6290         if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
6291                 int rc;
6292
6293                 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6294                 spin_unlock_bh(&bp->phy_lock);
6295                 return rc;
6296         }
6297
6298         /* Force a link down visible on the other side */
6299         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
6300                 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
6301                 spin_unlock_bh(&bp->phy_lock);
6302
6303                 msleep(20);
6304
6305                 spin_lock_bh(&bp->phy_lock);
6306
6307                 bp->current_interval = SERDES_AN_TIMEOUT;
6308                 bp->serdes_an_pending = 1;
6309                 mod_timer(&bp->timer, jiffies + bp->current_interval);
6310         }
6311
6312         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
6313         bmcr &= ~BMCR_LOOPBACK;
6314         bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
6315
6316         spin_unlock_bh(&bp->phy_lock);
6317
6318         return 0;
6319 }
6320
6321 static int
6322 bnx2_get_eeprom_len(struct net_device *dev)
6323 {
6324         struct bnx2 *bp = netdev_priv(dev);
6325
6326         if (bp->flash_info == NULL)
6327                 return 0;
6328
6329         return (int) bp->flash_size;
6330 }
6331
6332 static int
6333 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6334                 u8 *eebuf)
6335 {
6336         struct bnx2 *bp = netdev_priv(dev);
6337         int rc;
6338
6339         /* parameters already validated in ethtool_get_eeprom */
6340
6341         rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6342
6343         return rc;
6344 }
6345
6346 static int
6347 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6348                 u8 *eebuf)
6349 {
6350         struct bnx2 *bp = netdev_priv(dev);
6351         int rc;
6352
6353         /* parameters already validated in ethtool_set_eeprom */
6354
6355         rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6356
6357         return rc;
6358 }
6359
6360 static int
6361 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6362 {
6363         struct bnx2 *bp = netdev_priv(dev);
6364
6365         memset(coal, 0, sizeof(struct ethtool_coalesce));
6366
6367         coal->rx_coalesce_usecs = bp->rx_ticks;
6368         coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
6369         coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
6370         coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
6371
6372         coal->tx_coalesce_usecs = bp->tx_ticks;
6373         coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
6374         coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
6375         coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
6376
6377         coal->stats_block_coalesce_usecs = bp->stats_ticks;
6378
6379         return 0;
6380 }
6381
6382 static int
6383 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6384 {
6385         struct bnx2 *bp = netdev_priv(dev);
6386
6387         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
6388         if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
6389
6390         bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
6391         if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
6392
6393         bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
6394         if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
6395
6396         bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
6397         if (bp->rx_quick_cons_trip_int > 0xff)
6398                 bp->rx_quick_cons_trip_int = 0xff;
6399
6400         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
6401         if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
6402
6403         bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
6404         if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
6405
6406         bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
6407         if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
6408
6409         bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
6410         if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
6411                 0xff;
6412
6413         bp->stats_ticks = coal->stats_block_coalesce_usecs;
6414         if (CHIP_NUM(bp) == CHIP_NUM_5708) {
6415                 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
6416                         bp->stats_ticks = USEC_PER_SEC;
6417         }
6418         if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
6419                 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6420         bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6421
6422         if (netif_running(bp->dev)) {
6423                 bnx2_netif_stop(bp);
6424                 bnx2_init_nic(bp);
6425                 bnx2_netif_start(bp);
6426         }
6427
6428         return 0;
6429 }
6430
6431 static void
6432 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6433 {
6434         struct bnx2 *bp = netdev_priv(dev);
6435
6436         ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
6437         ering->rx_mini_max_pending = 0;
6438         ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
6439
6440         ering->rx_pending = bp->rx_ring_size;
6441         ering->rx_mini_pending = 0;
6442         ering->rx_jumbo_pending = bp->rx_pg_ring_size;
6443
6444         ering->tx_max_pending = MAX_TX_DESC_CNT;
6445         ering->tx_pending = bp->tx_ring_size;
6446 }
6447
6448 static int
6449 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
6450 {
6451         if (netif_running(bp->dev)) {
6452                 bnx2_netif_stop(bp);
6453                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6454                 bnx2_free_skbs(bp);
6455                 bnx2_free_mem(bp);
6456         }
6457
6458         bnx2_set_rx_ring_size(bp, rx);
6459         bp->tx_ring_size = tx;
6460
6461         if (netif_running(bp->dev)) {
6462                 int rc;
6463
6464                 rc = bnx2_alloc_mem(bp);
6465                 if (rc)
6466                         return rc;
6467                 bnx2_init_nic(bp);
6468                 bnx2_netif_start(bp);
6469         }
6470         return 0;
6471 }
6472
6473 static int
6474 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
6475 {
6476         struct bnx2 *bp = netdev_priv(dev);
6477         int rc;
6478
6479         if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
6480                 (ering->tx_pending > MAX_TX_DESC_CNT) ||
6481                 (ering->tx_pending <= MAX_SKB_FRAGS)) {
6482
6483                 return -EINVAL;
6484         }
6485         rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
6486         return rc;
6487 }
6488
6489 static void
6490 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6491 {
6492         struct bnx2 *bp = netdev_priv(dev);
6493
6494         epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
6495         epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
6496         epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
6497 }
6498
6499 static int
6500 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
6501 {
6502         struct bnx2 *bp = netdev_priv(dev);
6503
6504         bp->req_flow_ctrl = 0;
6505         if (epause->rx_pause)
6506                 bp->req_flow_ctrl |= FLOW_CTRL_RX;
6507         if (epause->tx_pause)
6508                 bp->req_flow_ctrl |= FLOW_CTRL_TX;
6509
6510         if (epause->autoneg) {
6511                 bp->autoneg |= AUTONEG_FLOW_CTRL;
6512         }
6513         else {
6514                 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
6515         }
6516
6517         spin_lock_bh(&bp->phy_lock);
6518
6519         bnx2_setup_phy(bp, bp->phy_port);
6520
6521         spin_unlock_bh(&bp->phy_lock);
6522
6523         return 0;
6524 }
6525
6526 static u32
6527 bnx2_get_rx_csum(struct net_device *dev)
6528 {
6529         struct bnx2 *bp = netdev_priv(dev);
6530
6531         return bp->rx_csum;
6532 }
6533
6534 static int
6535 bnx2_set_rx_csum(struct net_device *dev, u32 data)
6536 {
6537         struct bnx2 *bp = netdev_priv(dev);
6538
6539         bp->rx_csum = data;
6540         return 0;
6541 }
6542
6543 static int
6544 bnx2_set_tso(struct net_device *dev, u32 data)
6545 {
6546         struct bnx2 *bp = netdev_priv(dev);
6547
6548         if (data) {
6549                 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6550                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
6551                         dev->features |= NETIF_F_TSO6;
6552         } else
6553                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
6554                                    NETIF_F_TSO_ECN);
6555         return 0;
6556 }
6557
6558 #define BNX2_NUM_STATS 46
6559
6560 static struct {
6561         char string[ETH_GSTRING_LEN];
6562 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
6563         { "rx_bytes" },
6564         { "rx_error_bytes" },
6565         { "tx_bytes" },
6566         { "tx_error_bytes" },
6567         { "rx_ucast_packets" },
6568         { "rx_mcast_packets" },
6569         { "rx_bcast_packets" },
6570         { "tx_ucast_packets" },
6571         { "tx_mcast_packets" },
6572         { "tx_bcast_packets" },
6573         { "tx_mac_errors" },
6574         { "tx_carrier_errors" },
6575         { "rx_crc_errors" },
6576         { "rx_align_errors" },
6577         { "tx_single_collisions" },
6578         { "tx_multi_collisions" },
6579         { "tx_deferred" },
6580         { "tx_excess_collisions" },
6581         { "tx_late_collisions" },
6582         { "tx_total_collisions" },
6583         { "rx_fragments" },
6584         { "rx_jabbers" },
6585         { "rx_undersize_packets" },
6586         { "rx_oversize_packets" },
6587         { "rx_64_byte_packets" },
6588         { "rx_65_to_127_byte_packets" },
6589         { "rx_128_to_255_byte_packets" },
6590         { "rx_256_to_511_byte_packets" },
6591         { "rx_512_to_1023_byte_packets" },
6592         { "rx_1024_to_1522_byte_packets" },
6593         { "rx_1523_to_9022_byte_packets" },
6594         { "tx_64_byte_packets" },
6595         { "tx_65_to_127_byte_packets" },
6596         { "tx_128_to_255_byte_packets" },
6597         { "tx_256_to_511_byte_packets" },
6598         { "tx_512_to_1023_byte_packets" },
6599         { "tx_1024_to_1522_byte_packets" },
6600         { "tx_1523_to_9022_byte_packets" },
6601         { "rx_xon_frames" },
6602         { "rx_xoff_frames" },
6603         { "tx_xon_frames" },
6604         { "tx_xoff_frames" },
6605         { "rx_mac_ctrl_frames" },
6606         { "rx_filtered_packets" },
6607         { "rx_discards" },
6608         { "rx_fw_discards" },
6609 };
6610
6611 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
6612
6613 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6614     STATS_OFFSET32(stat_IfHCInOctets_hi),
6615     STATS_OFFSET32(stat_IfHCInBadOctets_hi),
6616     STATS_OFFSET32(stat_IfHCOutOctets_hi),
6617     STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
6618     STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
6619     STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
6620     STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
6621     STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
6622     STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
6623     STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
6624     STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6625     STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
6626     STATS_OFFSET32(stat_Dot3StatsFCSErrors),
6627     STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
6628     STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
6629     STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
6630     STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
6631     STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
6632     STATS_OFFSET32(stat_Dot3StatsLateCollisions),
6633     STATS_OFFSET32(stat_EtherStatsCollisions),
6634     STATS_OFFSET32(stat_EtherStatsFragments),
6635     STATS_OFFSET32(stat_EtherStatsJabbers),
6636     STATS_OFFSET32(stat_EtherStatsUndersizePkts),
6637     STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
6638     STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
6639     STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
6640     STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
6641     STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
6642     STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
6643     STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
6644     STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
6645     STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
6646     STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
6647     STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
6648     STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
6649     STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
6650     STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
6651     STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
6652     STATS_OFFSET32(stat_XonPauseFramesReceived),
6653     STATS_OFFSET32(stat_XoffPauseFramesReceived),
6654     STATS_OFFSET32(stat_OutXonSent),
6655     STATS_OFFSET32(stat_OutXoffSent),
6656     STATS_OFFSET32(stat_MacControlFramesReceived),
6657     STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
6658     STATS_OFFSET32(stat_IfInMBUFDiscards),
6659     STATS_OFFSET32(stat_FwRxDrop),
6660 };
6661
6662 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
6663  * skipped because of errata.
6664  */
6665 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6666         8,0,8,8,8,8,8,8,8,8,
6667         4,0,4,4,4,4,4,4,4,4,
6668         4,4,4,4,4,4,4,4,4,4,
6669         4,4,4,4,4,4,4,4,4,4,
6670         4,4,4,4,4,4,
6671 };
6672
6673 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
6674         8,0,8,8,8,8,8,8,8,8,
6675         4,4,4,4,4,4,4,4,4,4,
6676         4,4,4,4,4,4,4,4,4,4,
6677         4,4,4,4,4,4,4,4,4,4,
6678         4,4,4,4,4,4,
6679 };
6680
6681 #define BNX2_NUM_TESTS 6
6682
6683 static struct {
6684         char string[ETH_GSTRING_LEN];
6685 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
6686         { "register_test (offline)" },
6687         { "memory_test (offline)" },
6688         { "loopback_test (offline)" },
6689         { "nvram_test (online)" },
6690         { "interrupt_test (online)" },
6691         { "link_test (online)" },
6692 };
6693
6694 static int
6695 bnx2_get_sset_count(struct net_device *dev, int sset)
6696 {
6697         switch (sset) {
6698         case ETH_SS_TEST:
6699                 return BNX2_NUM_TESTS;
6700         case ETH_SS_STATS:
6701                 return BNX2_NUM_STATS;
6702         default:
6703                 return -EOPNOTSUPP;
6704         }
6705 }
6706
6707 static void
6708 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
6709 {
6710         struct bnx2 *bp = netdev_priv(dev);
6711
6712         memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
6713         if (etest->flags & ETH_TEST_FL_OFFLINE) {
6714                 int i;
6715
6716                 bnx2_netif_stop(bp);
6717                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
6718                 bnx2_free_skbs(bp);
6719
6720                 if (bnx2_test_registers(bp) != 0) {
6721                         buf[0] = 1;
6722                         etest->flags |= ETH_TEST_FL_FAILED;
6723                 }
6724                 if (bnx2_test_memory(bp) != 0) {
6725                         buf[1] = 1;
6726                         etest->flags |= ETH_TEST_FL_FAILED;
6727                 }
6728                 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6729                         etest->flags |= ETH_TEST_FL_FAILED;
6730
6731                 if (!netif_running(bp->dev)) {
6732                         bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
6733                 }
6734                 else {
6735                         bnx2_init_nic(bp);
6736                         bnx2_netif_start(bp);
6737                 }
6738
6739                 /* wait for link up */
6740                 for (i = 0; i < 7; i++) {
6741                         if (bp->link_up)
6742                                 break;
6743                         msleep_interruptible(1000);
6744                 }
6745         }
6746
6747         if (bnx2_test_nvram(bp) != 0) {
6748                 buf[3] = 1;
6749                 etest->flags |= ETH_TEST_FL_FAILED;
6750         }
6751         if (bnx2_test_intr(bp) != 0) {
6752                 buf[4] = 1;
6753                 etest->flags |= ETH_TEST_FL_FAILED;
6754         }
6755
6756         if (bnx2_test_link(bp) != 0) {
6757                 buf[5] = 1;
6758                 etest->flags |= ETH_TEST_FL_FAILED;
6759
6760         }
6761 }
6762
6763 static void
6764 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
6765 {
6766         switch (stringset) {
6767         case ETH_SS_STATS:
6768                 memcpy(buf, bnx2_stats_str_arr,
6769                         sizeof(bnx2_stats_str_arr));
6770                 break;
6771         case ETH_SS_TEST:
6772                 memcpy(buf, bnx2_tests_str_arr,
6773                         sizeof(bnx2_tests_str_arr));
6774                 break;
6775         }
6776 }
6777
6778 static void
6779 bnx2_get_ethtool_stats(struct net_device *dev,
6780                 struct ethtool_stats *stats, u64 *buf)
6781 {
6782         struct bnx2 *bp = netdev_priv(dev);
6783         int i;
6784         u32 *hw_stats = (u32 *) bp->stats_blk;
6785         u8 *stats_len_arr = NULL;
6786
6787         if (hw_stats == NULL) {
6788                 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
6789                 return;
6790         }
6791
6792         if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
6793             (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
6794             (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
6795             (CHIP_ID(bp) == CHIP_ID_5708_A0))
6796                 stats_len_arr = bnx2_5706_stats_len_arr;
6797         else
6798                 stats_len_arr = bnx2_5708_stats_len_arr;
6799
6800         for (i = 0; i < BNX2_NUM_STATS; i++) {
6801                 if (stats_len_arr[i] == 0) {
6802                         /* skip this counter */
6803                         buf[i] = 0;
6804                         continue;
6805                 }
6806                 if (stats_len_arr[i] == 4) {
6807                         /* 4-byte counter */
6808                         buf[i] = (u64)
6809                                 *(hw_stats + bnx2_stats_offset_arr[i]);
6810                         continue;
6811                 }
6812                 /* 8-byte counter */
6813                 buf[i] = (((u64) *(hw_stats +
6814                                         bnx2_stats_offset_arr[i])) << 32) +
6815                                 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
6816         }
6817 }
6818
6819 static int
6820 bnx2_phys_id(struct net_device *dev, u32 data)
6821 {
6822         struct bnx2 *bp = netdev_priv(dev);
6823         int i;
6824         u32 save;
6825
6826         if (data == 0)
6827                 data = 2;
6828
6829         save = REG_RD(bp, BNX2_MISC_CFG);
6830         REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
6831
6832         for (i = 0; i < (data * 2); i++) {
6833                 if ((i % 2) == 0) {
6834                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
6835                 }
6836                 else {
6837                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
6838                                 BNX2_EMAC_LED_1000MB_OVERRIDE |
6839                                 BNX2_EMAC_LED_100MB_OVERRIDE |
6840                                 BNX2_EMAC_LED_10MB_OVERRIDE |
6841                                 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
6842                                 BNX2_EMAC_LED_TRAFFIC);
6843                 }
6844                 msleep_interruptible(500);
6845                 if (signal_pending(current))
6846                         break;
6847         }
6848         REG_WR(bp, BNX2_EMAC_LED, 0);
6849         REG_WR(bp, BNX2_MISC_CFG, save);
6850         return 0;
6851 }
6852
6853 static int
6854 bnx2_set_tx_csum(struct net_device *dev, u32 data)
6855 {
6856         struct bnx2 *bp = netdev_priv(dev);
6857
6858         if (CHIP_NUM(bp) == CHIP_NUM_5709)
6859                 return (ethtool_op_set_tx_ipv6_csum(dev, data));
6860         else
6861                 return (ethtool_op_set_tx_csum(dev, data));
6862 }
6863
6864 static const struct ethtool_ops bnx2_ethtool_ops = {
6865         .get_settings           = bnx2_get_settings,
6866         .set_settings           = bnx2_set_settings,
6867         .get_drvinfo            = bnx2_get_drvinfo,
6868         .get_regs_len           = bnx2_get_regs_len,
6869         .get_regs               = bnx2_get_regs,
6870         .get_wol                = bnx2_get_wol,
6871         .set_wol                = bnx2_set_wol,
6872         .nway_reset             = bnx2_nway_reset,
6873         .get_link               = ethtool_op_get_link,
6874         .get_eeprom_len         = bnx2_get_eeprom_len,
6875         .get_eeprom             = bnx2_get_eeprom,
6876         .set_eeprom             = bnx2_set_eeprom,
6877         .get_coalesce           = bnx2_get_coalesce,
6878         .set_coalesce           = bnx2_set_coalesce,
6879         .get_ringparam          = bnx2_get_ringparam,
6880         .set_ringparam          = bnx2_set_ringparam,
6881         .get_pauseparam         = bnx2_get_pauseparam,
6882         .set_pauseparam         = bnx2_set_pauseparam,
6883         .get_rx_csum            = bnx2_get_rx_csum,
6884         .set_rx_csum            = bnx2_set_rx_csum,
6885         .set_tx_csum            = bnx2_set_tx_csum,
6886         .set_sg                 = ethtool_op_set_sg,
6887         .set_tso                = bnx2_set_tso,
6888         .self_test              = bnx2_self_test,
6889         .get_strings            = bnx2_get_strings,
6890         .phys_id                = bnx2_phys_id,
6891         .get_ethtool_stats      = bnx2_get_ethtool_stats,
6892         .get_sset_count         = bnx2_get_sset_count,
6893 };
6894
6895 /* Called with rtnl_lock */
6896 static int
6897 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
6898 {
6899         struct mii_ioctl_data *data = if_mii(ifr);
6900         struct bnx2 *bp = netdev_priv(dev);
6901         int err;
6902
6903         switch(cmd) {
6904         case SIOCGMIIPHY:
6905                 data->phy_id = bp->phy_addr;
6906
6907                 /* fallthru */
6908         case SIOCGMIIREG: {
6909                 u32 mii_regval;
6910
6911                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6912                         return -EOPNOTSUPP;
6913
6914                 if (!netif_running(dev))
6915                         return -EAGAIN;
6916
6917                 spin_lock_bh(&bp->phy_lock);
6918                 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
6919                 spin_unlock_bh(&bp->phy_lock);
6920
6921                 data->val_out = mii_regval;
6922
6923                 return err;
6924         }
6925
6926         case SIOCSMIIREG:
6927                 if (!capable(CAP_NET_ADMIN))
6928                         return -EPERM;
6929
6930                 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
6931                         return -EOPNOTSUPP;
6932
6933                 if (!netif_running(dev))
6934                         return -EAGAIN;
6935
6936                 spin_lock_bh(&bp->phy_lock);
6937                 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
6938                 spin_unlock_bh(&bp->phy_lock);
6939
6940                 return err;
6941
6942         default:
6943                 /* do nothing */
6944                 break;
6945         }
6946         return -EOPNOTSUPP;
6947 }
6948
6949 /* Called with rtnl_lock */
6950 static int
6951 bnx2_change_mac_addr(struct net_device *dev, void *p)
6952 {
6953         struct sockaddr *addr = p;
6954         struct bnx2 *bp = netdev_priv(dev);
6955
6956         if (!is_valid_ether_addr(addr->sa_data))
6957                 return -EINVAL;
6958
6959         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6960         if (netif_running(dev))
6961                 bnx2_set_mac_addr(bp);
6962
6963         return 0;
6964 }
6965
6966 /* Called with rtnl_lock */
6967 static int
6968 bnx2_change_mtu(struct net_device *dev, int new_mtu)
6969 {
6970         struct bnx2 *bp = netdev_priv(dev);
6971
6972         if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
6973                 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
6974                 return -EINVAL;
6975
6976         dev->mtu = new_mtu;
6977         return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
6978 }
6979
6980 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
6981 static void
6982 poll_bnx2(struct net_device *dev)
6983 {
6984         struct bnx2 *bp = netdev_priv(dev);
6985
6986         disable_irq(bp->pdev->irq);
6987         bnx2_interrupt(bp->pdev->irq, dev);
6988         enable_irq(bp->pdev->irq);
6989 }
6990 #endif
6991
6992 static void __devinit
6993 bnx2_get_5709_media(struct bnx2 *bp)
6994 {
6995         u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
6996         u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
6997         u32 strap;
6998
6999         if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7000                 return;
7001         else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
7002                 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7003                 return;
7004         }
7005
7006         if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7007                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7008         else
7009                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7010
7011         if (PCI_FUNC(bp->pdev->devfn) == 0) {
7012                 switch (strap) {
7013                 case 0x4:
7014                 case 0x5:
7015                 case 0x6:
7016                         bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7017                         return;
7018                 }
7019         } else {
7020                 switch (strap) {
7021                 case 0x1:
7022                 case 0x2:
7023                 case 0x4:
7024                         bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7025                         return;
7026                 }
7027         }
7028 }
7029
7030 static void __devinit
7031 bnx2_get_pci_speed(struct bnx2 *bp)
7032 {
7033         u32 reg;
7034
7035         reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7036         if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7037                 u32 clkreg;
7038
7039                 bp->flags |= BNX2_FLAG_PCIX;
7040
7041                 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7042
7043                 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7044                 switch (clkreg) {
7045                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7046                         bp->bus_speed_mhz = 133;
7047                         break;
7048
7049                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7050                         bp->bus_speed_mhz = 100;
7051                         break;
7052
7053                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7054                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7055                         bp->bus_speed_mhz = 66;
7056                         break;
7057
7058                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7059                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7060                         bp->bus_speed_mhz = 50;
7061                         break;
7062
7063                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7064                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7065                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7066                         bp->bus_speed_mhz = 33;
7067                         break;
7068                 }
7069         }
7070         else {
7071                 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7072                         bp->bus_speed_mhz = 66;
7073                 else
7074                         bp->bus_speed_mhz = 33;
7075         }
7076
7077         if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
7078                 bp->flags |= BNX2_FLAG_PCI_32BIT;
7079
7080 }
7081
7082 static int __devinit
7083 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7084 {
7085         struct bnx2 *bp;
7086         unsigned long mem_len;
7087         int rc, i, j;
7088         u32 reg;
7089         u64 dma_mask, persist_dma_mask;
7090
7091         SET_NETDEV_DEV(dev, &pdev->dev);
7092         bp = netdev_priv(dev);
7093
7094         bp->flags = 0;
7095         bp->phy_flags = 0;
7096
7097         /* enable device (incl. PCI PM wakeup), and bus-mastering */
7098         rc = pci_enable_device(pdev);
7099         if (rc) {
7100                 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
7101                 goto err_out;
7102         }
7103
7104         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7105                 dev_err(&pdev->dev,
7106                         "Cannot find PCI device base address, aborting.\n");
7107                 rc = -ENODEV;
7108                 goto err_out_disable;
7109         }
7110
7111         rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7112         if (rc) {
7113                 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
7114                 goto err_out_disable;
7115         }
7116
7117         pci_set_master(pdev);
7118
7119         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7120         if (bp->pm_cap == 0) {
7121                 dev_err(&pdev->dev,
7122                         "Cannot find power management capability, aborting.\n");
7123                 rc = -EIO;
7124                 goto err_out_release;
7125         }
7126
7127         bp->dev = dev;
7128         bp->pdev = pdev;
7129
7130         spin_lock_init(&bp->phy_lock);
7131         spin_lock_init(&bp->indirect_lock);
7132         INIT_WORK(&bp->reset_task, bnx2_reset_task);
7133
7134         dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
7135         mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
7136         dev->mem_end = dev->mem_start + mem_len;
7137         dev->irq = pdev->irq;
7138
7139         bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7140
7141         if (!bp->regview) {
7142                 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
7143                 rc = -ENOMEM;
7144                 goto err_out_release;
7145         }
7146
7147         /* Configure byte swap and enable write to the reg_window registers.
7148          * Rely on CPU to do target byte swapping on big endian systems
7149          * The chip's target access swapping will not swap all accesses
7150          */
7151         pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7152                                BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7153                                BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7154
7155         bnx2_set_power_state(bp, PCI_D0);
7156
7157         bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7158
7159         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7160                 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7161                         dev_err(&pdev->dev,
7162                                 "Cannot find PCIE capability, aborting.\n");
7163                         rc = -EIO;
7164                         goto err_out_unmap;
7165                 }
7166                 bp->flags |= BNX2_FLAG_PCIE;
7167                 if (CHIP_REV(bp) == CHIP_REV_Ax)
7168                         bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
7169         } else {
7170                 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7171                 if (bp->pcix_cap == 0) {
7172                         dev_err(&pdev->dev,
7173                                 "Cannot find PCIX capability, aborting.\n");
7174                         rc = -EIO;
7175                         goto err_out_unmap;
7176                 }
7177         }
7178
7179         if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7180                 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
7181                         bp->flags |= BNX2_FLAG_MSIX_CAP;
7182         }
7183
7184         if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7185                 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
7186                         bp->flags |= BNX2_FLAG_MSI_CAP;
7187         }
7188
7189         /* 5708 cannot support DMA addresses > 40-bit.  */
7190         if (CHIP_NUM(bp) == CHIP_NUM_5708)
7191                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
7192         else
7193                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
7194
7195         /* Configure DMA attributes. */
7196         if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7197                 dev->features |= NETIF_F_HIGHDMA;
7198                 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7199                 if (rc) {
7200                         dev_err(&pdev->dev,
7201                                 "pci_set_consistent_dma_mask failed, aborting.\n");
7202                         goto err_out_unmap;
7203                 }
7204         } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
7205                 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
7206                 goto err_out_unmap;
7207         }
7208
7209         if (!(bp->flags & BNX2_FLAG_PCIE))
7210                 bnx2_get_pci_speed(bp);
7211
7212         /* 5706A0 may falsely detect SERR and PERR. */
7213         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7214                 reg = REG_RD(bp, PCI_COMMAND);
7215                 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7216                 REG_WR(bp, PCI_COMMAND, reg);
7217         }
7218         else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
7219                 !(bp->flags & BNX2_FLAG_PCIX)) {
7220
7221                 dev_err(&pdev->dev,
7222                         "5706 A1 can only be used in a PCIX bus, aborting.\n");
7223                 goto err_out_unmap;
7224         }
7225
7226         bnx2_init_nvram(bp);
7227
7228         reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
7229
7230         if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
7231             BNX2_SHM_HDR_SIGNATURE_SIG) {
7232                 u32 off = PCI_FUNC(pdev->devfn) << 2;
7233
7234                 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
7235         } else
7236                 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7237
7238         /* Get the permanent MAC address.  First we need to make sure the
7239          * firmware is actually running.
7240          */
7241         reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
7242
7243         if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7244             BNX2_DEV_INFO_SIGNATURE_MAGIC) {
7245                 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
7246                 rc = -ENODEV;
7247                 goto err_out_unmap;
7248         }
7249
7250         reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
7251         for (i = 0, j = 0; i < 3; i++) {
7252                 u8 num, k, skip0;
7253
7254                 num = (u8) (reg >> (24 - (i * 8)));
7255                 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
7256                         if (num >= k || !skip0 || k == 1) {
7257                                 bp->fw_version[j++] = (num / k) + '0';
7258                                 skip0 = 0;
7259                         }
7260                 }
7261                 if (i != 2)
7262                         bp->fw_version[j++] = '.';
7263         }
7264         reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
7265         if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
7266                 bp->wol = 1;
7267
7268         if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
7269                 bp->flags |= BNX2_FLAG_ASF_ENABLE;
7270
7271                 for (i = 0; i < 30; i++) {
7272                         reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7273                         if (reg & BNX2_CONDITION_MFW_RUN_MASK)
7274                                 break;
7275                         msleep(10);
7276                 }
7277         }
7278         reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
7279         reg &= BNX2_CONDITION_MFW_RUN_MASK;
7280         if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
7281             reg != BNX2_CONDITION_MFW_RUN_NONE) {
7282                 int i;
7283                 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
7284
7285                 bp->fw_version[j++] = ' ';
7286                 for (i = 0; i < 3; i++) {
7287                         reg = bnx2_reg_rd_ind(bp, addr + i * 4);
7288                         reg = swab32(reg);
7289                         memcpy(&bp->fw_version[j], &reg, 4);
7290                         j += 4;
7291                 }
7292         }
7293
7294         reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
7295         bp->mac_addr[0] = (u8) (reg >> 8);
7296         bp->mac_addr[1] = (u8) reg;
7297
7298         reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
7299         bp->mac_addr[2] = (u8) (reg >> 24);
7300         bp->mac_addr[3] = (u8) (reg >> 16);
7301         bp->mac_addr[4] = (u8) (reg >> 8);
7302         bp->mac_addr[5] = (u8) reg;
7303
7304         bp->rx_offset = sizeof(struct l2_fhdr) + 2;
7305
7306         bp->tx_ring_size = MAX_TX_DESC_CNT;
7307         bnx2_set_rx_ring_size(bp, 255);
7308
7309         bp->rx_csum = 1;
7310
7311         bp->tx_quick_cons_trip_int = 20;
7312         bp->tx_quick_cons_trip = 20;
7313         bp->tx_ticks_int = 80;
7314         bp->tx_ticks = 80;
7315
7316         bp->rx_quick_cons_trip_int = 6;
7317         bp->rx_quick_cons_trip = 6;
7318         bp->rx_ticks_int = 18;
7319         bp->rx_ticks = 18;
7320
7321         bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7322
7323         bp->timer_interval =  HZ;
7324         bp->current_interval =  HZ;
7325
7326         bp->phy_addr = 1;
7327
7328         /* Disable WOL support if we are running on a SERDES chip. */
7329         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7330                 bnx2_get_5709_media(bp);
7331         else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
7332                 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
7333
7334         bp->phy_port = PORT_TP;
7335         if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
7336                 bp->phy_port = PORT_FIBRE;
7337                 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
7338                 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
7339                         bp->flags |= BNX2_FLAG_NO_WOL;
7340                         bp->wol = 0;
7341                 }
7342                 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
7343                         /* Don't do parallel detect on this board because of
7344                          * some board problems.  The link will not go down
7345                          * if we do parallel detect.
7346                          */
7347                         if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
7348                             pdev->subsystem_device == 0x310c)
7349                                 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
7350                 } else {
7351                         bp->phy_addr = 2;
7352                         if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
7353                                 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
7354                 }
7355                 bnx2_init_remote_phy(bp);
7356
7357         } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
7358                    CHIP_NUM(bp) == CHIP_NUM_5708)
7359                 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
7360         else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
7361                  (CHIP_REV(bp) == CHIP_REV_Ax ||
7362                   CHIP_REV(bp) == CHIP_REV_Bx))
7363                 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
7364
7365         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
7366             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
7367             (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
7368                 bp->flags |= BNX2_FLAG_NO_WOL;
7369                 bp->wol = 0;
7370         }
7371
7372         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7373                 bp->tx_quick_cons_trip_int =
7374                         bp->tx_quick_cons_trip;
7375                 bp->tx_ticks_int = bp->tx_ticks;
7376                 bp->rx_quick_cons_trip_int =
7377                         bp->rx_quick_cons_trip;
7378                 bp->rx_ticks_int = bp->rx_ticks;
7379                 bp->comp_prod_trip_int = bp->comp_prod_trip;
7380                 bp->com_ticks_int = bp->com_ticks;
7381                 bp->cmd_ticks_int = bp->cmd_ticks;
7382         }
7383
7384         /* Disable MSI on 5706 if AMD 8132 bridge is found.
7385          *
7386          * MSI is defined to be 32-bit write.  The 5706 does 64-bit MSI writes
7387          * with byte enables disabled on the unused 32-bit word.  This is legal
7388          * but causes problems on the AMD 8132 which will eventually stop
7389          * responding after a while.
7390          *
7391          * AMD believes this incompatibility is unique to the 5706, and
7392          * prefers to locally disable MSI rather than globally disabling it.
7393          */
7394         if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
7395                 struct pci_dev *amd_8132 = NULL;
7396
7397                 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
7398                                                   PCI_DEVICE_ID_AMD_8132_BRIDGE,
7399                                                   amd_8132))) {
7400
7401                         if (amd_8132->revision >= 0x10 &&
7402                             amd_8132->revision <= 0x13) {
7403                                 disable_msi = 1;
7404                                 pci_dev_put(amd_8132);
7405                                 break;
7406                         }
7407                 }
7408         }
7409
7410         bnx2_set_default_link(bp);
7411         bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
7412
7413         init_timer(&bp->timer);
7414         bp->timer.expires = RUN_AT(bp->timer_interval);
7415         bp->timer.data = (unsigned long) bp;
7416         bp->timer.function = bnx2_timer;
7417
7418         return 0;
7419
7420 err_out_unmap:
7421         if (bp->regview) {
7422                 iounmap(bp->regview);
7423                 bp->regview = NULL;
7424         }
7425
7426 err_out_release:
7427         pci_release_regions(pdev);
7428
7429 err_out_disable:
7430         pci_disable_device(pdev);
7431         pci_set_drvdata(pdev, NULL);
7432
7433 err_out:
7434         return rc;
7435 }
7436
7437 static char * __devinit
7438 bnx2_bus_string(struct bnx2 *bp, char *str)
7439 {
7440         char *s = str;
7441
7442         if (bp->flags & BNX2_FLAG_PCIE) {
7443                 s += sprintf(s, "PCI Express");
7444         } else {
7445                 s += sprintf(s, "PCI");
7446                 if (bp->flags & BNX2_FLAG_PCIX)
7447                         s += sprintf(s, "-X");
7448                 if (bp->flags & BNX2_FLAG_PCI_32BIT)
7449                         s += sprintf(s, " 32-bit");
7450                 else
7451                         s += sprintf(s, " 64-bit");
7452                 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
7453         }
7454         return str;
7455 }
7456
7457 static void __devinit
7458 bnx2_init_napi(struct bnx2 *bp)
7459 {
7460         int i;
7461         struct bnx2_napi *bnapi;
7462
7463         for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
7464                 bnapi = &bp->bnx2_napi[i];
7465                 bnapi->bp = bp;
7466         }
7467         netif_napi_add(bp->dev, &bp->bnx2_napi[0].napi, bnx2_poll, 64);
7468         netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
7469                        64);
7470 }
7471
7472 static int __devinit
7473 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7474 {
7475         static int version_printed = 0;
7476         struct net_device *dev = NULL;
7477         struct bnx2 *bp;
7478         int rc;
7479         char str[40];
7480         DECLARE_MAC_BUF(mac);
7481
7482         if (version_printed++ == 0)
7483                 printk(KERN_INFO "%s", version);
7484
7485         /* dev zeroed in init_etherdev */
7486         dev = alloc_etherdev(sizeof(*bp));
7487
7488         if (!dev)
7489                 return -ENOMEM;
7490
7491         rc = bnx2_init_board(pdev, dev);
7492         if (rc < 0) {
7493                 free_netdev(dev);
7494                 return rc;
7495         }
7496
7497         dev->open = bnx2_open;
7498         dev->hard_start_xmit = bnx2_start_xmit;
7499         dev->stop = bnx2_close;
7500         dev->get_stats = bnx2_get_stats;
7501         dev->set_multicast_list = bnx2_set_rx_mode;
7502         dev->do_ioctl = bnx2_ioctl;
7503         dev->set_mac_address = bnx2_change_mac_addr;
7504         dev->change_mtu = bnx2_change_mtu;
7505         dev->tx_timeout = bnx2_tx_timeout;
7506         dev->watchdog_timeo = TX_TIMEOUT;
7507 #ifdef BCM_VLAN
7508         dev->vlan_rx_register = bnx2_vlan_rx_register;
7509 #endif
7510         dev->ethtool_ops = &bnx2_ethtool_ops;
7511
7512         bp = netdev_priv(dev);
7513         bnx2_init_napi(bp);
7514
7515 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
7516         dev->poll_controller = poll_bnx2;
7517 #endif
7518
7519         pci_set_drvdata(pdev, dev);
7520
7521         memcpy(dev->dev_addr, bp->mac_addr, 6);
7522         memcpy(dev->perm_addr, bp->mac_addr, 6);
7523         bp->name = board_info[ent->driver_data].name;
7524
7525         dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
7526         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7527                 dev->features |= NETIF_F_IPV6_CSUM;
7528
7529 #ifdef BCM_VLAN
7530         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
7531 #endif
7532         dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
7533         if (CHIP_NUM(bp) == CHIP_NUM_5709)
7534                 dev->features |= NETIF_F_TSO6;
7535
7536         if ((rc = register_netdev(dev))) {
7537                 dev_err(&pdev->dev, "Cannot register net device\n");
7538                 if (bp->regview)
7539                         iounmap(bp->regview);
7540                 pci_release_regions(pdev);
7541                 pci_disable_device(pdev);
7542                 pci_set_drvdata(pdev, NULL);
7543                 free_netdev(dev);
7544                 return rc;
7545         }
7546
7547         printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
7548                 "IRQ %d, node addr %s\n",
7549                 dev->name,
7550                 bp->name,
7551                 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
7552                 ((CHIP_ID(bp) & 0x0ff0) >> 4),
7553                 bnx2_bus_string(bp, str),
7554                 dev->base_addr,
7555                 bp->pdev->irq, print_mac(mac, dev->dev_addr));
7556
7557         return 0;
7558 }
7559
7560 static void __devexit
7561 bnx2_remove_one(struct pci_dev *pdev)
7562 {
7563         struct net_device *dev = pci_get_drvdata(pdev);
7564         struct bnx2 *bp = netdev_priv(dev);
7565
7566         flush_scheduled_work();
7567
7568         unregister_netdev(dev);
7569
7570         if (bp->regview)
7571                 iounmap(bp->regview);
7572
7573         free_netdev(dev);
7574         pci_release_regions(pdev);
7575         pci_disable_device(pdev);
7576         pci_set_drvdata(pdev, NULL);
7577 }
7578
7579 static int
7580 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7581 {
7582         struct net_device *dev = pci_get_drvdata(pdev);
7583         struct bnx2 *bp = netdev_priv(dev);
7584         u32 reset_code;
7585
7586         /* PCI register 4 needs to be saved whether netif_running() or not.
7587          * MSI address and data need to be saved if using MSI and
7588          * netif_running().
7589          */
7590         pci_save_state(pdev);
7591         if (!netif_running(dev))
7592                 return 0;
7593
7594         flush_scheduled_work();
7595         bnx2_netif_stop(bp);
7596         netif_device_detach(dev);
7597         del_timer_sync(&bp->timer);
7598         if (bp->flags & BNX2_FLAG_NO_WOL)
7599                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
7600         else if (bp->wol)
7601                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
7602         else
7603                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
7604         bnx2_reset_chip(bp, reset_code);
7605         bnx2_free_skbs(bp);
7606         bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7607         return 0;
7608 }
7609
7610 static int
7611 bnx2_resume(struct pci_dev *pdev)
7612 {
7613         struct net_device *dev = pci_get_drvdata(pdev);
7614         struct bnx2 *bp = netdev_priv(dev);
7615
7616         pci_restore_state(pdev);
7617         if (!netif_running(dev))
7618                 return 0;
7619
7620         bnx2_set_power_state(bp, PCI_D0);
7621         netif_device_attach(dev);
7622         bnx2_init_nic(bp);
7623         bnx2_netif_start(bp);
7624         return 0;
7625 }
7626
7627 static struct pci_driver bnx2_pci_driver = {
7628         .name           = DRV_MODULE_NAME,
7629         .id_table       = bnx2_pci_tbl,
7630         .probe          = bnx2_init_one,
7631         .remove         = __devexit_p(bnx2_remove_one),
7632         .suspend        = bnx2_suspend,
7633         .resume         = bnx2_resume,
7634 };
7635
7636 static int __init bnx2_init(void)
7637 {
7638         return pci_register_driver(&bnx2_pci_driver);
7639 }
7640
7641 static void __exit bnx2_cleanup(void)
7642 {
7643         pci_unregister_driver(&bnx2_pci_driver);
7644 }
7645
7646 module_init(bnx2_init);
7647 module_exit(bnx2_cleanup);
7648
7649
7650