drivers/net/bnx2.c

   1 /* bnx2.c: Broadcom NX2 network driver.
   2  *
   3  * Copyright (c) 2004, 2005 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 #include "bnx2.h"
  13 #include "bnx2_fw.h"
  14
  15 #define DRV_MODULE_NAME         "bnx2"
  16 #define PFX DRV_MODULE_NAME     ": "
  17 #define DRV_MODULE_VERSION      "1.4.30"
  18 #define DRV_MODULE_RELDATE      "October 11, 2005"
  19
  20 #define RUN_AT(x) (jiffies + (x))
  21
  22 /* Time in jiffies before concluding the transmitter is hung. */
  23 #define TX_TIMEOUT  (5*HZ)
  24
  25 static char version[] __devinitdata =
  26         "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  27
  28 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
  29 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
  30 MODULE_LICENSE("GPL");
  31 MODULE_VERSION(DRV_MODULE_VERSION);
  32
  33 static int disable_msi = 0;
  34
  35 module_param(disable_msi, int, 0);
  36 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
  37
  38 typedef enum {
  39         BCM5706 = 0,
  40         NC370T,
  41         NC370I,
  42         BCM5706S,
  43         NC370F,
  44         BCM5708,
  45         BCM5708S,
  46 } board_t;
  47
  48 /* indexed by board_t, above */
  49 static struct {
  50         char *name;
  51 } board_info[] __devinitdata = {
  52         { "Broadcom NetXtreme II BCM5706 1000Base-T" },
  53         { "HP NC370T Multifunction Gigabit Server Adapter" },
  54         { "HP NC370i Multifunction Gigabit Server Adapter" },
  55         { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
  56         { "HP NC370F Multifunction Gigabit Server Adapter" },
  57         { "Broadcom NetXtreme II BCM5708 1000Base-T" },
  58         { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
  59         };
  60
  61 static struct pci_device_id bnx2_pci_tbl[] = {
  62         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  63           PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
  64         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  65           PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
  66         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  67           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
  68         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
  69           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
  70         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
  71           PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
  72         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
  73           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
  74         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
  75           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
  76         { 0, }
  77 };
  78
  79 static struct flash_spec flash_table[] =
  80 {
  81         /* Slow EEPROM */
  82         {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
  83          1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
  84          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
  85          "EEPROM - slow"},
  86         /* Expansion entry 0001 */
  87         {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
  88          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  89          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  90          "Entry 0001"},
  91         /* Saifun SA25F010 (non-buffered flash) */
  92         /* strap, cfg1, & write1 need updates */
  93         {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
  94          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  95          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
  96          "Non-buffered flash (128kB)"},
  97         /* Saifun SA25F020 (non-buffered flash) */
  98         /* strap, cfg1, & write1 need updates */
  99         {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
 100          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 101          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
 102          "Non-buffered flash (256kB)"},
 103         /* Expansion entry 0100 */
 104         {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
 105          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 106          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 107          "Entry 0100"},
 108         /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
 109         {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
 110          0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
 111          ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
 112          "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
 113         /* Entry 0110: ST M45PE20 (non-buffered flash)*/
 114         {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
 115          0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
 116          ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
 117          "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
 118         /* Saifun SA25F005 (non-buffered flash) */
 119         /* strap, cfg1, & write1 need updates */
 120         {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
 121          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 122          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
 123          "Non-buffered flash (64kB)"},
 124         /* Fast EEPROM */
 125         {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
 126          1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
 127          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
 128          "EEPROM - fast"},
 129         /* Expansion entry 1001 */
 130         {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
 131          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 132          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 133          "Entry 1001"},
 134         /* Expansion entry 1010 */
 135         {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
 136          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 137          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 138          "Entry 1010"},
 139         /* ATMEL AT45DB011B (buffered flash) */
 140         {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
 141          1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 142          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
 143          "Buffered flash (128kB)"},
 144         /* Expansion entry 1100 */
 145         {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
 146          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 147          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 148          "Entry 1100"},
 149         /* Expansion entry 1101 */
 150         {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
 151          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 152          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 153          "Entry 1101"},
 154         /* Ateml Expansion entry 1110 */
 155         {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
 156          1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 157          BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
 158          "Entry 1110 (Atmel)"},
 159         /* ATMEL AT45DB021B (buffered flash) */
 160         {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
 161          1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 162          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
 163          "Buffered flash (256kB)"},
 164 };
 165
 166 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
 167
 168 static inline u32 bnx2_tx_avail(struct bnx2 *bp)
 169 {
 170         u32 diff = TX_RING_IDX(bp->tx_prod) - TX_RING_IDX(bp->tx_cons);
 171
 172         if (diff > MAX_TX_DESC_CNT)
 173                 diff = (diff & MAX_TX_DESC_CNT) - 1;
 174         return (bp->tx_ring_size - diff);
 175 }
 176
 177 static u32
 178 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
 179 {
 180         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
 181         return (REG_RD(bp, BNX2_PCICFG_REG_WINDOW));
 182 }
 183
 184 static void
 185 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
 186 {
 187         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
 188         REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
 189 }
 190
 191 static void
 192 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
 193 {
 194         offset += cid_addr;
 195         REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
 196         REG_WR(bp, BNX2_CTX_DATA, val);
 197 }
 198
 199 static int
 200 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
 201 {
 202         u32 val1;
 203         int i, ret;
 204
 205         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
 206                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 207                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 208
 209                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 210                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 211
 212                 udelay(40);
 213         }
 214
 215         val1 = (bp->phy_addr << 21) | (reg << 16) |
 216                 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
 217                 BNX2_EMAC_MDIO_COMM_START_BUSY;
 218         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
 219
 220         for (i = 0; i < 50; i++) {
 221                 udelay(10);
 222
 223                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 224                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
 225                         udelay(5);
 226
 227                         val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 228                         val1 &= BNX2_EMAC_MDIO_COMM_DATA;
 229
 230                         break;
 231                 }
 232         }
 233
 234         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
 235                 *val = 0x0;
 236                 ret = -EBUSY;
 237         }
 238         else {
 239                 *val = val1;
 240                 ret = 0;
 241         }
 242
 243         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
 244                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 245                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 246
 247                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 248                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 249
 250                 udelay(40);
 251         }
 252
 253         return ret;
 254 }
 255
 256 static int
 257 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
 258 {
 259         u32 val1;
 260         int i, ret;
 261
 262         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
 263                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 264                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 265
 266                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 267                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 268
 269                 udelay(40);
 270         }
 271
 272         val1 = (bp->phy_addr << 21) | (reg << 16) | val |
 273                 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
 274                 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
 275         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
 276
 277         for (i = 0; i < 50; i++) {
 278                 udelay(10);
 279
 280                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 281                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
 282                         udelay(5);
 283                         break;
 284                 }
 285         }
 286
 287         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
 288                 ret = -EBUSY;
 289         else
 290                 ret = 0;
 291
 292         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
 293                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 294                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 295
 296                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 297                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 298
 299                 udelay(40);
 300         }
 301
 302         return ret;
 303 }
 304
 305 static void
 306 bnx2_disable_int(struct bnx2 *bp)
 307 {
 308         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
 309                BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
 310         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
 311 }
 312
 313 static void
 314 bnx2_enable_int(struct bnx2 *bp)
 315 {
 316         u32 val;
 317
 318         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
 319                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);
 320
 321         val = REG_RD(bp, BNX2_HC_COMMAND);
 322         REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
 323 }
 324
 325 static void
 326 bnx2_disable_int_sync(struct bnx2 *bp)
 327 {
 328         atomic_inc(&bp->intr_sem);
 329         bnx2_disable_int(bp);
 330         synchronize_irq(bp->pdev->irq);
 331 }
 332
 333 static void
 334 bnx2_netif_stop(struct bnx2 *bp)
 335 {
 336         bnx2_disable_int_sync(bp);
 337         if (netif_running(bp->dev)) {
 338                 netif_poll_disable(bp->dev);
 339                 netif_tx_disable(bp->dev);
 340                 bp->dev->trans_start = jiffies; /* prevent tx timeout */
 341         }
 342 }
 343
 344 static void
 345 bnx2_netif_start(struct bnx2 *bp)
 346 {
 347         if (atomic_dec_and_test(&bp->intr_sem)) {
 348                 if (netif_running(bp->dev)) {
 349                         netif_wake_queue(bp->dev);
 350                         netif_poll_enable(bp->dev);
 351                         bnx2_enable_int(bp);
 352                 }
 353         }
 354 }
 355
 356 static void
 357 bnx2_free_mem(struct bnx2 *bp)
 358 {
 359         if (bp->stats_blk) {
 360                 pci_free_consistent(bp->pdev, sizeof(struct statistics_block),
 361                                     bp->stats_blk, bp->stats_blk_mapping);
 362                 bp->stats_blk = NULL;
 363         }
 364         if (bp->status_blk) {
 365                 pci_free_consistent(bp->pdev, sizeof(struct status_block),
 366                                     bp->status_blk, bp->status_blk_mapping);
 367                 bp->status_blk = NULL;
 368         }
 369         if (bp->tx_desc_ring) {
 370                 pci_free_consistent(bp->pdev,
 371                                     sizeof(struct tx_bd) * TX_DESC_CNT,
 372                                     bp->tx_desc_ring, bp->tx_desc_mapping);
 373                 bp->tx_desc_ring = NULL;
 374         }
 375         kfree(bp->tx_buf_ring);
 376         bp->tx_buf_ring = NULL;
 377         if (bp->rx_desc_ring) {
 378                 pci_free_consistent(bp->pdev,
 379                                     sizeof(struct rx_bd) * RX_DESC_CNT,
 380                                     bp->rx_desc_ring, bp->rx_desc_mapping);
 381                 bp->rx_desc_ring = NULL;
 382         }
 383         kfree(bp->rx_buf_ring);
 384         bp->rx_buf_ring = NULL;
 385 }
 386
 387 static int
 388 bnx2_alloc_mem(struct bnx2 *bp)
 389 {
 390         bp->tx_buf_ring = kmalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
 391                                      GFP_KERNEL);
 392         if (bp->tx_buf_ring == NULL)
 393                 return -ENOMEM;
 394
 395         memset(bp->tx_buf_ring, 0, sizeof(struct sw_bd) * TX_DESC_CNT);
 396         bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
 397                                                 sizeof(struct tx_bd) *
 398                                                 TX_DESC_CNT,
 399                                                 &bp->tx_desc_mapping);
 400         if (bp->tx_desc_ring == NULL)
 401                 goto alloc_mem_err;
 402
 403         bp->rx_buf_ring = kmalloc(sizeof(struct sw_bd) * RX_DESC_CNT,
 404                                      GFP_KERNEL);
 405         if (bp->rx_buf_ring == NULL)
 406                 goto alloc_mem_err;
 407
 408         memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT);
 409         bp->rx_desc_ring = pci_alloc_consistent(bp->pdev,
 410                                                 sizeof(struct rx_bd) *
 411                                                 RX_DESC_CNT,
 412                                                 &bp->rx_desc_mapping);
 413         if (bp->rx_desc_ring == NULL)
 414                 goto alloc_mem_err;
 415
 416         bp->status_blk = pci_alloc_consistent(bp->pdev,
 417                                               sizeof(struct status_block),
 418                                               &bp->status_blk_mapping);
 419         if (bp->status_blk == NULL)
 420                 goto alloc_mem_err;
 421
 422         memset(bp->status_blk, 0, sizeof(struct status_block));
 423
 424         bp->stats_blk = pci_alloc_consistent(bp->pdev,
 425                                              sizeof(struct statistics_block),
 426                                              &bp->stats_blk_mapping);
 427         if (bp->stats_blk == NULL)
 428                 goto alloc_mem_err;
 429
 430         memset(bp->stats_blk, 0, sizeof(struct statistics_block));
 431
 432         return 0;
 433
 434 alloc_mem_err:
 435         bnx2_free_mem(bp);
 436         return -ENOMEM;
 437 }
 438
 439 static void
 440 bnx2_report_fw_link(struct bnx2 *bp)
 441 {
 442         u32 fw_link_status = 0;
 443
 444         if (bp->link_up) {
 445                 u32 bmsr;
 446
 447                 switch (bp->line_speed) {
 448                 case SPEED_10:
 449                         if (bp->duplex == DUPLEX_HALF)
 450                                 fw_link_status = BNX2_LINK_STATUS_10HALF;
 451                         else
 452                                 fw_link_status = BNX2_LINK_STATUS_10FULL;
 453                         break;
 454                 case SPEED_100:
 455                         if (bp->duplex == DUPLEX_HALF)
 456                                 fw_link_status = BNX2_LINK_STATUS_100HALF;
 457                         else
 458                                 fw_link_status = BNX2_LINK_STATUS_100FULL;
 459                         break;
 460                 case SPEED_1000:
 461                         if (bp->duplex == DUPLEX_HALF)
 462                                 fw_link_status = BNX2_LINK_STATUS_1000HALF;
 463                         else
 464                                 fw_link_status = BNX2_LINK_STATUS_1000FULL;
 465                         break;
 466                 case SPEED_2500:
 467                         if (bp->duplex == DUPLEX_HALF)
 468                                 fw_link_status = BNX2_LINK_STATUS_2500HALF;
 469                         else
 470                                 fw_link_status = BNX2_LINK_STATUS_2500FULL;
 471                         break;
 472                 }
 473
 474                 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
 475
 476                 if (bp->autoneg) {
 477                         fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
 478
 479                         bnx2_read_phy(bp, MII_BMSR, &bmsr);
 480                         bnx2_read_phy(bp, MII_BMSR, &bmsr);
 481
 482                         if (!(bmsr & BMSR_ANEGCOMPLETE) ||
 483                             bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)
 484                                 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
 485                         else
 486                                 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
 487                 }
 488         }
 489         else
 490                 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
 491
 492         REG_WR_IND(bp, bp->shmem_base + BNX2_LINK_STATUS, fw_link_status);
 493 }
 494
 495 static void
 496 bnx2_report_link(struct bnx2 *bp)
 497 {
 498         if (bp->link_up) {
 499                 netif_carrier_on(bp->dev);
 500                 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
 501
 502                 printk("%d Mbps ", bp->line_speed);
 503
 504                 if (bp->duplex == DUPLEX_FULL)
 505                         printk("full duplex");
 506                 else
 507                         printk("half duplex");
 508
 509                 if (bp->flow_ctrl) {
 510                         if (bp->flow_ctrl & FLOW_CTRL_RX) {
 511                                 printk(", receive ");
 512                                 if (bp->flow_ctrl & FLOW_CTRL_TX)
 513                                         printk("& transmit ");
 514                         }
 515                         else {
 516                                 printk(", transmit ");
 517                         }
 518                         printk("flow control ON");
 519                 }
 520                 printk("\n");
 521         }
 522         else {
 523                 netif_carrier_off(bp->dev);
 524                 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
 525         }
 526
 527         bnx2_report_fw_link(bp);
 528 }
 529
 530 static void
 531 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
 532 {
 533         u32 local_adv, remote_adv;
 534
 535         bp->flow_ctrl = 0;
 536         if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
 537                 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
 538
 539                 if (bp->duplex == DUPLEX_FULL) {
 540                         bp->flow_ctrl = bp->req_flow_ctrl;
 541                 }
 542                 return;
 543         }
 544
 545         if (bp->duplex != DUPLEX_FULL) {
 546                 return;
 547         }
 548
 549         if ((bp->phy_flags & PHY_SERDES_FLAG) &&
 550             (CHIP_NUM(bp) == CHIP_NUM_5708)) {
 551                 u32 val;
 552
 553                 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
 554                 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
 555                         bp->flow_ctrl |= FLOW_CTRL_TX;
 556                 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
 557                         bp->flow_ctrl |= FLOW_CTRL_RX;
 558                 return;
 559         }
 560
 561         bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
 562         bnx2_read_phy(bp, MII_LPA, &remote_adv);
 563
 564         if (bp->phy_flags & PHY_SERDES_FLAG) {
 565                 u32 new_local_adv = 0;
 566                 u32 new_remote_adv = 0;
 567
 568                 if (local_adv & ADVERTISE_1000XPAUSE)
 569                         new_local_adv |= ADVERTISE_PAUSE_CAP;
 570                 if (local_adv & ADVERTISE_1000XPSE_ASYM)
 571                         new_local_adv |= ADVERTISE_PAUSE_ASYM;
 572                 if (remote_adv & ADVERTISE_1000XPAUSE)
 573                         new_remote_adv |= ADVERTISE_PAUSE_CAP;
 574                 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
 575                         new_remote_adv |= ADVERTISE_PAUSE_ASYM;
 576
 577                 local_adv = new_local_adv;
 578                 remote_adv = new_remote_adv;
 579         }
 580
 581         /* See Table 28B-3 of 802.3ab-1999 spec. */
 582         if (local_adv & ADVERTISE_PAUSE_CAP) {
 583                 if(local_adv & ADVERTISE_PAUSE_ASYM) {
 584                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
 585                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
 586                         }
 587                         else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
 588                                 bp->flow_ctrl = FLOW_CTRL_RX;
 589                         }
 590                 }
 591                 else {
 592                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
 593                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
 594                         }
 595                 }
 596         }
 597         else if (local_adv & ADVERTISE_PAUSE_ASYM) {
 598                 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
 599                         (remote_adv & ADVERTISE_PAUSE_ASYM)) {
 600
 601                         bp->flow_ctrl = FLOW_CTRL_TX;
 602                 }
 603         }
 604 }
 605
 606 static int
 607 bnx2_5708s_linkup(struct bnx2 *bp)
 608 {
 609         u32 val;
 610
 611         bp->link_up = 1;
 612         bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
 613         switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
 614                 case BCM5708S_1000X_STAT1_SPEED_10:
 615                         bp->line_speed = SPEED_10;
 616                         break;
 617                 case BCM5708S_1000X_STAT1_SPEED_100:
 618                         bp->line_speed = SPEED_100;
 619                         break;
 620                 case BCM5708S_1000X_STAT1_SPEED_1G:
 621                         bp->line_speed = SPEED_1000;
 622                         break;
 623                 case BCM5708S_1000X_STAT1_SPEED_2G5:
 624                         bp->line_speed = SPEED_2500;
 625                         break;
 626         }
 627         if (val & BCM5708S_1000X_STAT1_FD)
 628                 bp->duplex = DUPLEX_FULL;
 629         else
 630                 bp->duplex = DUPLEX_HALF;
 631
 632         return 0;
 633 }
 634
 635 static int
 636 bnx2_5706s_linkup(struct bnx2 *bp)
 637 {
 638         u32 bmcr, local_adv, remote_adv, common;
 639
 640         bp->link_up = 1;
 641         bp->line_speed = SPEED_1000;
 642
 643         bnx2_read_phy(bp, MII_BMCR, &bmcr);
 644         if (bmcr & BMCR_FULLDPLX) {
 645                 bp->duplex = DUPLEX_FULL;
 646         }
 647         else {
 648                 bp->duplex = DUPLEX_HALF;
 649         }
 650
 651         if (!(bmcr & BMCR_ANENABLE)) {
 652                 return 0;
 653         }
 654
 655         bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
 656         bnx2_read_phy(bp, MII_LPA, &remote_adv);
 657
 658         common = local_adv & remote_adv;
 659         if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
 660
 661                 if (common & ADVERTISE_1000XFULL) {
 662                         bp->duplex = DUPLEX_FULL;
 663                 }
 664                 else {
 665                         bp->duplex = DUPLEX_HALF;
 666                 }
 667         }
 668
 669         return 0;
 670 }
 671
 672 static int
 673 bnx2_copper_linkup(struct bnx2 *bp)
 674 {
 675         u32 bmcr;
 676
 677         bnx2_read_phy(bp, MII_BMCR, &bmcr);
 678         if (bmcr & BMCR_ANENABLE) {
 679                 u32 local_adv, remote_adv, common;
 680
 681                 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
 682                 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
 683
 684                 common = local_adv & (remote_adv >> 2);
 685                 if (common & ADVERTISE_1000FULL) {
 686                         bp->line_speed = SPEED_1000;
 687                         bp->duplex = DUPLEX_FULL;
 688                 }
 689                 else if (common & ADVERTISE_1000HALF) {
 690                         bp->line_speed = SPEED_1000;
 691                         bp->duplex = DUPLEX_HALF;
 692                 }
 693                 else {
 694                         bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
 695                         bnx2_read_phy(bp, MII_LPA, &remote_adv);
 696
 697                         common = local_adv & remote_adv;
 698                         if (common & ADVERTISE_100FULL) {
 699                                 bp->line_speed = SPEED_100;
 700                                 bp->duplex = DUPLEX_FULL;
 701                         }
 702                         else if (common & ADVERTISE_100HALF) {
 703                                 bp->line_speed = SPEED_100;
 704                                 bp->duplex = DUPLEX_HALF;
 705                         }
 706                         else if (common & ADVERTISE_10FULL) {
 707                                 bp->line_speed = SPEED_10;
 708                                 bp->duplex = DUPLEX_FULL;
 709                         }
 710                         else if (common & ADVERTISE_10HALF) {
 711                                 bp->line_speed = SPEED_10;
 712                                 bp->duplex = DUPLEX_HALF;
 713                         }
 714                         else {
 715                                 bp->line_speed = 0;
 716                                 bp->link_up = 0;
 717                         }
 718                 }
 719         }
 720         else {
 721                 if (bmcr & BMCR_SPEED100) {
 722                         bp->line_speed = SPEED_100;
 723                 }
 724                 else {
 725                         bp->line_speed = SPEED_10;
 726                 }
 727                 if (bmcr & BMCR_FULLDPLX) {
 728                         bp->duplex = DUPLEX_FULL;
 729                 }
 730                 else {
 731                         bp->duplex = DUPLEX_HALF;
 732                 }
 733         }
 734
 735         return 0;
 736 }
 737
 738 static int
 739 bnx2_set_mac_link(struct bnx2 *bp)
 740 {
 741         u32 val;
 742
 743         REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
 744         if (bp->link_up && (bp->line_speed == SPEED_1000) &&
 745                 (bp->duplex == DUPLEX_HALF)) {
 746                 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
 747         }
 748
 749         /* Configure the EMAC mode register. */
 750         val = REG_RD(bp, BNX2_EMAC_MODE);
 751
 752         val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
 753                 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
 754                 BNX2_EMAC_MODE_25G);
 755
 756         if (bp->link_up) {
 757                 switch (bp->line_speed) {
 758                         case SPEED_10:
 759                                 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
 760                                         val |= BNX2_EMAC_MODE_PORT_MII_10;
 761                                         break;
 762                                 }
 763                                 /* fall through */
 764                         case SPEED_100:
 765                                 val |= BNX2_EMAC_MODE_PORT_MII;
 766                                 break;
 767                         case SPEED_2500:
 768                                 val |= BNX2_EMAC_MODE_25G;
 769                                 /* fall through */
 770                         case SPEED_1000:
 771                                 val |= BNX2_EMAC_MODE_PORT_GMII;
 772                                 break;
 773                 }
 774         }
 775         else {
 776                 val |= BNX2_EMAC_MODE_PORT_GMII;
 777         }
 778
 779         /* Set the MAC to operate in the appropriate duplex mode. */
 780         if (bp->duplex == DUPLEX_HALF)
 781                 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
 782         REG_WR(bp, BNX2_EMAC_MODE, val);
 783
 784         /* Enable/disable rx PAUSE. */
 785         bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
 786
 787         if (bp->flow_ctrl & FLOW_CTRL_RX)
 788                 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
 789         REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
 790
 791         /* Enable/disable tx PAUSE. */
 792         val = REG_RD(bp, BNX2_EMAC_TX_MODE);
 793         val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
 794
 795         if (bp->flow_ctrl & FLOW_CTRL_TX)
 796                 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
 797         REG_WR(bp, BNX2_EMAC_TX_MODE, val);
 798
 799         /* Acknowledge the interrupt. */
 800         REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
 801
 802         return 0;
 803 }
 804
 805 static int
 806 bnx2_set_link(struct bnx2 *bp)
 807 {
 808         u32 bmsr;
 809         u8 link_up;
 810
 811         if (bp->loopback == MAC_LOOPBACK) {
 812                 bp->link_up = 1;
 813                 return 0;
 814         }
 815
 816         link_up = bp->link_up;
 817
 818         bnx2_read_phy(bp, MII_BMSR, &bmsr);
 819         bnx2_read_phy(bp, MII_BMSR, &bmsr);
 820
 821         if ((bp->phy_flags & PHY_SERDES_FLAG) &&
 822             (CHIP_NUM(bp) == CHIP_NUM_5706)) {
 823                 u32 val;
 824
 825                 val = REG_RD(bp, BNX2_EMAC_STATUS);
 826                 if (val & BNX2_EMAC_STATUS_LINK)
 827                         bmsr |= BMSR_LSTATUS;
 828                 else
 829                         bmsr &= ~BMSR_LSTATUS;
 830         }
 831
 832         if (bmsr & BMSR_LSTATUS) {
 833                 bp->link_up = 1;
 834
 835                 if (bp->phy_flags & PHY_SERDES_FLAG) {
 836                         if (CHIP_NUM(bp) == CHIP_NUM_5706)
 837                                 bnx2_5706s_linkup(bp);
 838                         else if (CHIP_NUM(bp) == CHIP_NUM_5708)
 839                                 bnx2_5708s_linkup(bp);
 840                 }
 841                 else {
 842                         bnx2_copper_linkup(bp);
 843                 }
 844                 bnx2_resolve_flow_ctrl(bp);
 845         }
 846         else {
 847                 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
 848                         (bp->autoneg & AUTONEG_SPEED)) {
 849
 850                         u32 bmcr;
 851
 852                         bnx2_read_phy(bp, MII_BMCR, &bmcr);
 853                         if (!(bmcr & BMCR_ANENABLE)) {
 854                                 bnx2_write_phy(bp, MII_BMCR, bmcr |
 855                                         BMCR_ANENABLE);
 856                         }
 857                 }
 858                 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
 859                 bp->link_up = 0;
 860         }
 861
 862         if (bp->link_up != link_up) {
 863                 bnx2_report_link(bp);
 864         }
 865
 866         bnx2_set_mac_link(bp);
 867
 868         return 0;
 869 }
 870
 871 static int
 872 bnx2_reset_phy(struct bnx2 *bp)
 873 {
 874         int i;
 875         u32 reg;
 876
 877         bnx2_write_phy(bp, MII_BMCR, BMCR_RESET);
 878
 879 #define PHY_RESET_MAX_WAIT 100
 880         for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
 881                 udelay(10);
 882
 883                 bnx2_read_phy(bp, MII_BMCR, &reg);
 884                 if (!(reg & BMCR_RESET)) {
 885                         udelay(20);
 886                         break;
 887                 }
 888         }
 889         if (i == PHY_RESET_MAX_WAIT) {
 890                 return -EBUSY;
 891         }
 892         return 0;
 893 }
 894
 895 static u32
 896 bnx2_phy_get_pause_adv(struct bnx2 *bp)
 897 {
 898         u32 adv = 0;
 899
 900         if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
 901                 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
 902
 903                 if (bp->phy_flags & PHY_SERDES_FLAG) {
 904                         adv = ADVERTISE_1000XPAUSE;
 905                 }
 906                 else {
 907                         adv = ADVERTISE_PAUSE_CAP;
 908                 }
 909         }
 910         else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
 911                 if (bp->phy_flags & PHY_SERDES_FLAG) {
 912                         adv = ADVERTISE_1000XPSE_ASYM;
 913                 }
 914                 else {
 915                         adv = ADVERTISE_PAUSE_ASYM;
 916                 }
 917         }
 918         else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
 919                 if (bp->phy_flags & PHY_SERDES_FLAG) {
 920                         adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
 921                 }
 922                 else {
 923                         adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
 924                 }
 925         }
 926         return adv;
 927 }
 928
 929 static int
 930 bnx2_setup_serdes_phy(struct bnx2 *bp)
 931 {
 932         u32 adv, bmcr, up1;
 933         u32 new_adv = 0;
 934
 935         if (!(bp->autoneg & AUTONEG_SPEED)) {
 936                 u32 new_bmcr;
 937                 int force_link_down = 0;
 938
 939                 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
 940                         bnx2_read_phy(bp, BCM5708S_UP1, &up1);
 941                         if (up1 & BCM5708S_UP1_2G5) {
 942                                 up1 &= ~BCM5708S_UP1_2G5;
 943                                 bnx2_write_phy(bp, BCM5708S_UP1, up1);
 944                                 force_link_down = 1;
 945                         }
 946                 }
 947
 948                 bnx2_read_phy(bp, MII_ADVERTISE, &adv);
 949                 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
 950
 951                 bnx2_read_phy(bp, MII_BMCR, &bmcr);
 952                 new_bmcr = bmcr & ~BMCR_ANENABLE;
 953                 new_bmcr |= BMCR_SPEED1000;
 954                 if (bp->req_duplex == DUPLEX_FULL) {
 955                         adv |= ADVERTISE_1000XFULL;
 956                         new_bmcr |= BMCR_FULLDPLX;
 957                 }
 958                 else {
 959                         adv |= ADVERTISE_1000XHALF;
 960                         new_bmcr &= ~BMCR_FULLDPLX;
 961                 }
 962                 if ((new_bmcr != bmcr) || (force_link_down)) {
 963                         /* Force a link down visible on the other side */
 964                         if (bp->link_up) {
 965                                 bnx2_write_phy(bp, MII_ADVERTISE, adv &
 966                                                ~(ADVERTISE_1000XFULL |
 967                                                  ADVERTISE_1000XHALF));
 968                                 bnx2_write_phy(bp, MII_BMCR, bmcr |
 969                                         BMCR_ANRESTART | BMCR_ANENABLE);
 970
 971                                 bp->link_up = 0;
 972                                 netif_carrier_off(bp->dev);
 973                                 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
 974                         }
 975                         bnx2_write_phy(bp, MII_ADVERTISE, adv);
 976                         bnx2_write_phy(bp, MII_BMCR, new_bmcr);
 977                 }
 978                 return 0;
 979         }
 980
 981         if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
 982                 bnx2_read_phy(bp, BCM5708S_UP1, &up1);
 983                 up1 |= BCM5708S_UP1_2G5;
 984                 bnx2_write_phy(bp, BCM5708S_UP1, up1);
 985         }
 986
 987         if (bp->advertising & ADVERTISED_1000baseT_Full)
 988                 new_adv |= ADVERTISE_1000XFULL;
 989
 990         new_adv |= bnx2_phy_get_pause_adv(bp);
 991
 992         bnx2_read_phy(bp, MII_ADVERTISE, &adv);
 993         bnx2_read_phy(bp, MII_BMCR, &bmcr);
 994
 995         bp->serdes_an_pending = 0;
 996         if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
 997                 /* Force a link down visible on the other side */
 998                 if (bp->link_up) {
 999                         int i;
1000
1001                         bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
1002                         for (i = 0; i < 110; i++) {
1003                                 udelay(100);
1004                         }
1005                 }
1006
1007                 bnx2_write_phy(bp, MII_ADVERTISE, new_adv);
1008                 bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART |
1009                         BMCR_ANENABLE);
1010                 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
1011                         /* Speed up link-up time when the link partner
1012                          * does not autonegotiate which is very common
1013                          * in blade servers. Some blade servers use
1014                          * IPMI for kerboard input and it's important
1015                          * to minimize link disruptions. Autoneg. involves
1016                          * exchanging base pages plus 3 next pages and
1017                          * normally completes in about 120 msec.
1018                          */
1019                         bp->current_interval = SERDES_AN_TIMEOUT;
1020                         bp->serdes_an_pending = 1;
1021                         mod_timer(&bp->timer, jiffies + bp->current_interval);
1022                 }
1023         }
1024
1025         return 0;
1026 }
1027
1028 #define ETHTOOL_ALL_FIBRE_SPEED                                         \
1029         (ADVERTISED_1000baseT_Full)
1030
1031 #define ETHTOOL_ALL_COPPER_SPEED                                        \
1032         (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |            \
1033         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |           \
1034         ADVERTISED_1000baseT_Full)
1035
1036 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1037         ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1038
1039 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1040
1041 static int
1042 bnx2_setup_copper_phy(struct bnx2 *bp)
1043 {
1044         u32 bmcr;
1045         u32 new_bmcr;
1046
1047         bnx2_read_phy(bp, MII_BMCR, &bmcr);
1048
1049         if (bp->autoneg & AUTONEG_SPEED) {
1050                 u32 adv_reg, adv1000_reg;
1051                 u32 new_adv_reg = 0;
1052                 u32 new_adv1000_reg = 0;
1053
1054                 bnx2_read_phy(bp, MII_ADVERTISE, &adv_reg);
1055                 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1056                         ADVERTISE_PAUSE_ASYM);
1057
1058                 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1059                 adv1000_reg &= PHY_ALL_1000_SPEED;
1060
1061                 if (bp->advertising & ADVERTISED_10baseT_Half)
1062                         new_adv_reg |= ADVERTISE_10HALF;
1063                 if (bp->advertising & ADVERTISED_10baseT_Full)
1064                         new_adv_reg |= ADVERTISE_10FULL;
1065                 if (bp->advertising & ADVERTISED_100baseT_Half)
1066                         new_adv_reg |= ADVERTISE_100HALF;
1067                 if (bp->advertising & ADVERTISED_100baseT_Full)
1068                         new_adv_reg |= ADVERTISE_100FULL;
1069                 if (bp->advertising & ADVERTISED_1000baseT_Full)
1070                         new_adv1000_reg |= ADVERTISE_1000FULL;
1071
1072                 new_adv_reg |= ADVERTISE_CSMA;
1073
1074                 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1075
1076                 if ((adv1000_reg != new_adv1000_reg) ||
1077                         (adv_reg != new_adv_reg) ||
1078                         ((bmcr & BMCR_ANENABLE) == 0)) {
1079
1080                         bnx2_write_phy(bp, MII_ADVERTISE, new_adv_reg);
1081                         bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1082                         bnx2_write_phy(bp, MII_BMCR, BMCR_ANRESTART |
1083                                 BMCR_ANENABLE);
1084                 }
1085                 else if (bp->link_up) {
1086                         /* Flow ctrl may have changed from auto to forced */
1087                         /* or vice-versa. */
1088
1089                         bnx2_resolve_flow_ctrl(bp);
1090                         bnx2_set_mac_link(bp);
1091                 }
1092                 return 0;
1093         }
1094
1095         new_bmcr = 0;
1096         if (bp->req_line_speed == SPEED_100) {
1097                 new_bmcr |= BMCR_SPEED100;
1098         }
1099         if (bp->req_duplex == DUPLEX_FULL) {
1100                 new_bmcr |= BMCR_FULLDPLX;
1101         }
1102         if (new_bmcr != bmcr) {
1103                 u32 bmsr;
1104                 int i = 0;
1105
1106                 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1107                 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1108
1109                 if (bmsr & BMSR_LSTATUS) {
1110                         /* Force link down */
1111                         bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
1112                         do {
1113                                 udelay(100);
1114                                 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1115                                 bnx2_read_phy(bp, MII_BMSR, &bmsr);
1116                                 i++;
1117                         } while ((bmsr & BMSR_LSTATUS) && (i < 620));
1118                 }
1119
1120                 bnx2_write_phy(bp, MII_BMCR, new_bmcr);
1121
1122                 /* Normally, the new speed is setup after the link has
1123                  * gone down and up again. In some cases, link will not go
1124                  * down so we need to set up the new speed here.
1125                  */
1126                 if (bmsr & BMSR_LSTATUS) {
1127                         bp->line_speed = bp->req_line_speed;
1128                         bp->duplex = bp->req_duplex;
1129                         bnx2_resolve_flow_ctrl(bp);
1130                         bnx2_set_mac_link(bp);
1131                 }
1132         }
1133         return 0;
1134 }
1135
1136 static int
1137 bnx2_setup_phy(struct bnx2 *bp)
1138 {
1139         if (bp->loopback == MAC_LOOPBACK)
1140                 return 0;
1141
1142         if (bp->phy_flags & PHY_SERDES_FLAG) {
1143                 return (bnx2_setup_serdes_phy(bp));
1144         }
1145         else {
1146                 return (bnx2_setup_copper_phy(bp));
1147         }
1148 }
1149
1150 static int
1151 bnx2_init_5708s_phy(struct bnx2 *bp)
1152 {
1153         u32 val;
1154
1155         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1156         bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1157         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1158
1159         bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1160         val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1161         bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1162
1163         bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1164         val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1165         bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1166
1167         if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
1168                 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1169                 val |= BCM5708S_UP1_2G5;
1170                 bnx2_write_phy(bp, BCM5708S_UP1, val);
1171         }
1172
1173         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
1174             (CHIP_ID(bp) == CHIP_ID_5708_B0)) {
1175                 /* increase tx signal amplitude */
1176                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1177                                BCM5708S_BLK_ADDR_TX_MISC);
1178                 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1179                 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1180                 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1181                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1182         }
1183
1184         val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
1185               BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1186
1187         if (val) {
1188                 u32 is_backplane;
1189
1190                 is_backplane = REG_RD_IND(bp, bp->shmem_base +
1191                                           BNX2_SHARED_HW_CFG_CONFIG);
1192                 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1193                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1194                                        BCM5708S_BLK_ADDR_TX_MISC);
1195                         bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1196                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1197                                        BCM5708S_BLK_ADDR_DIG);
1198                 }
1199         }
1200         return 0;
1201 }
1202
1203 static int
1204 bnx2_init_5706s_phy(struct bnx2 *bp)
1205 {
1206         bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
1207
1208         if (CHIP_NUM(bp) == CHIP_NUM_5706) {
1209                 REG_WR(bp, BNX2_MISC_UNUSED0, 0x300);
1210         }
1211
1212         if (bp->dev->mtu > 1500) {
1213                 u32 val;
1214
1215                 /* Set extended packet length bit */
1216                 bnx2_write_phy(bp, 0x18, 0x7);
1217                 bnx2_read_phy(bp, 0x18, &val);
1218                 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
1219
1220                 bnx2_write_phy(bp, 0x1c, 0x6c00);
1221                 bnx2_read_phy(bp, 0x1c, &val);
1222                 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
1223         }
1224         else {
1225                 u32 val;
1226
1227                 bnx2_write_phy(bp, 0x18, 0x7);
1228                 bnx2_read_phy(bp, 0x18, &val);
1229                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1230
1231                 bnx2_write_phy(bp, 0x1c, 0x6c00);
1232                 bnx2_read_phy(bp, 0x1c, &val);
1233                 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
1234         }
1235
1236         return 0;
1237 }
1238
1239 static int
1240 bnx2_init_copper_phy(struct bnx2 *bp)
1241 {
1242         u32 val;
1243
1244         bp->phy_flags |= PHY_CRC_FIX_FLAG;
1245
1246         if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
1247                 bnx2_write_phy(bp, 0x18, 0x0c00);
1248                 bnx2_write_phy(bp, 0x17, 0x000a);
1249                 bnx2_write_phy(bp, 0x15, 0x310b);
1250                 bnx2_write_phy(bp, 0x17, 0x201f);
1251                 bnx2_write_phy(bp, 0x15, 0x9506);
1252                 bnx2_write_phy(bp, 0x17, 0x401f);
1253                 bnx2_write_phy(bp, 0x15, 0x14e2);
1254                 bnx2_write_phy(bp, 0x18, 0x0400);
1255         }
1256
1257         if (bp->dev->mtu > 1500) {
1258                 /* Set extended packet length bit */
1259                 bnx2_write_phy(bp, 0x18, 0x7);
1260                 bnx2_read_phy(bp, 0x18, &val);
1261                 bnx2_write_phy(bp, 0x18, val | 0x4000);
1262
1263                 bnx2_read_phy(bp, 0x10, &val);
1264                 bnx2_write_phy(bp, 0x10, val | 0x1);
1265         }
1266         else {
1267                 bnx2_write_phy(bp, 0x18, 0x7);
1268                 bnx2_read_phy(bp, 0x18, &val);
1269                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1270
1271                 bnx2_read_phy(bp, 0x10, &val);
1272                 bnx2_write_phy(bp, 0x10, val & ~0x1);
1273         }
1274
1275         /* ethernet@wirespeed */
1276         bnx2_write_phy(bp, 0x18, 0x7007);
1277         bnx2_read_phy(bp, 0x18, &val);
1278         bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
1279         return 0;
1280 }
1281
1282
1283 static int
1284 bnx2_init_phy(struct bnx2 *bp)
1285 {
1286         u32 val;
1287         int rc = 0;
1288
1289         bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
1290         bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;
1291
1292         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
1293
1294         bnx2_reset_phy(bp);
1295
1296         bnx2_read_phy(bp, MII_PHYSID1, &val);
1297         bp->phy_id = val << 16;
1298         bnx2_read_phy(bp, MII_PHYSID2, &val);
1299         bp->phy_id |= val & 0xffff;
1300
1301         if (bp->phy_flags & PHY_SERDES_FLAG) {
1302                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1303                         rc = bnx2_init_5706s_phy(bp);
1304                 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1305                         rc = bnx2_init_5708s_phy(bp);
1306         }
1307         else {
1308                 rc = bnx2_init_copper_phy(bp);
1309         }
1310
1311         bnx2_setup_phy(bp);
1312
1313         return rc;
1314 }
1315
1316 static int
1317 bnx2_set_mac_loopback(struct bnx2 *bp)
1318 {
1319         u32 mac_mode;
1320
1321         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
1322         mac_mode &= ~BNX2_EMAC_MODE_PORT;
1323         mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
1324         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
1325         bp->link_up = 1;
1326         return 0;
1327 }
1328
1329 static int
1330 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data)
1331 {
1332         int i;
1333         u32 val;
1334
1335         if (bp->fw_timed_out)
1336                 return -EBUSY;
1337
1338         bp->fw_wr_seq++;
1339         msg_data |= bp->fw_wr_seq;
1340
1341         REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
1342
1343         /* wait for an acknowledgement. */
1344         for (i = 0; i < (FW_ACK_TIME_OUT_MS * 1000)/5; i++) {
1345                 udelay(5);
1346
1347                 val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
1348
1349                 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
1350                         break;
1351         }
1352
1353         /* If we timed out, inform the firmware that this is the case. */
1354         if (((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) &&
1355                 ((msg_data & BNX2_DRV_MSG_DATA) != BNX2_DRV_MSG_DATA_WAIT0)) {
1356
1357                 msg_data &= ~BNX2_DRV_MSG_CODE;
1358                 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
1359
1360                 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
1361
1362                 bp->fw_timed_out = 1;
1363
1364                 return -EBUSY;
1365         }
1366
1367         return 0;
1368 }
1369
1370 static void
1371 bnx2_init_context(struct bnx2 *bp)
1372 {
1373         u32 vcid;
1374
1375         vcid = 96;
1376         while (vcid) {
1377                 u32 vcid_addr, pcid_addr, offset;
1378
1379                 vcid--;
1380
1381                 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
1382                         u32 new_vcid;
1383
1384                         vcid_addr = GET_PCID_ADDR(vcid);
1385                         if (vcid & 0x8) {
1386                                 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
1387                         }
1388                         else {
1389                                 new_vcid = vcid;
1390                         }
1391                         pcid_addr = GET_PCID_ADDR(new_vcid);
1392                 }
1393                 else {
1394                         vcid_addr = GET_CID_ADDR(vcid);
1395                         pcid_addr = vcid_addr;
1396                 }
1397
1398                 REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
1399                 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1400
1401                 /* Zero out the context. */
1402                 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) {
1403                         CTX_WR(bp, 0x00, offset, 0);
1404                 }
1405
1406                 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
1407                 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1408         }
1409 }
1410
1411 static int
1412 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
1413 {
1414         u16 *good_mbuf;
1415         u32 good_mbuf_cnt;
1416         u32 val;
1417
1418         good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
1419         if (good_mbuf == NULL) {
1420                 printk(KERN_ERR PFX "Failed to allocate memory in "
1421                                     "bnx2_alloc_bad_rbuf\n");
1422                 return -ENOMEM;
1423         }
1424
1425         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
1426                 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
1427
1428         good_mbuf_cnt = 0;
1429
1430         /* Allocate a bunch of mbufs and save the good ones in an array. */
1431         val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1432         while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
1433                 REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);
1434
1435                 val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);
1436
1437                 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
1438
1439                 /* The addresses with Bit 9 set are bad memory blocks. */
1440                 if (!(val & (1 << 9))) {
1441                         good_mbuf[good_mbuf_cnt] = (u16) val;
1442                         good_mbuf_cnt++;
1443                 }
1444
1445                 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1446         }
1447
1448         /* Free the good ones back to the mbuf pool thus discarding
1449          * all the bad ones. */
1450         while (good_mbuf_cnt) {
1451                 good_mbuf_cnt--;
1452
1453                 val = good_mbuf[good_mbuf_cnt];
1454                 val = (val << 9) | val | 1;
1455
1456                 REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
1457         }
1458         kfree(good_mbuf);
1459         return 0;
1460 }
1461
1462 static void
1463 bnx2_set_mac_addr(struct bnx2 *bp)
1464 {
1465         u32 val;
1466         u8 *mac_addr = bp->dev->dev_addr;
1467
1468         val = (mac_addr[0] << 8) | mac_addr[1];
1469
1470         REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
1471
1472         val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
1473                 (mac_addr[4] << 8) | mac_addr[5];
1474
1475         REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
1476 }
1477
1478 static inline int
1479 bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
1480 {
1481         struct sk_buff *skb;
1482         struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
1483         dma_addr_t mapping;
1484         struct rx_bd *rxbd = &bp->rx_desc_ring[index];
1485         unsigned long align;
1486
1487         skb = dev_alloc_skb(bp->rx_buf_size);
1488         if (skb == NULL) {
1489                 return -ENOMEM;
1490         }
1491
1492         if (unlikely((align = (unsigned long) skb->data & 0x7))) {
1493                 skb_reserve(skb, 8 - align);
1494         }
1495
1496         skb->dev = bp->dev;
1497         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1498                 PCI_DMA_FROMDEVICE);
1499
1500         rx_buf->skb = skb;
1501         pci_unmap_addr_set(rx_buf, mapping, mapping);
1502
1503         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
1504         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
1505
1506         bp->rx_prod_bseq += bp->rx_buf_use_size;
1507
1508         return 0;
1509 }
1510
1511 static void
1512 bnx2_phy_int(struct bnx2 *bp)
1513 {
1514         u32 new_link_state, old_link_state;
1515
1516         new_link_state = bp->status_blk->status_attn_bits &
1517                 STATUS_ATTN_BITS_LINK_STATE;
1518         old_link_state = bp->status_blk->status_attn_bits_ack &
1519                 STATUS_ATTN_BITS_LINK_STATE;
1520         if (new_link_state != old_link_state) {
1521                 if (new_link_state) {
1522                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD,
1523                                 STATUS_ATTN_BITS_LINK_STATE);
1524                 }
1525                 else {
1526                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD,
1527                                 STATUS_ATTN_BITS_LINK_STATE);
1528                 }
1529                 bnx2_set_link(bp);
1530         }
1531 }
1532
1533 static void
1534 bnx2_tx_int(struct bnx2 *bp)
1535 {
1536         struct status_block *sblk = bp->status_blk;
1537         u16 hw_cons, sw_cons, sw_ring_cons;
1538         int tx_free_bd = 0;
1539
1540         hw_cons = bp->hw_tx_cons = sblk->status_tx_quick_consumer_index0;
1541         if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1542                 hw_cons++;
1543         }
1544         sw_cons = bp->tx_cons;
1545
1546         while (sw_cons != hw_cons) {
1547                 struct sw_bd *tx_buf;
1548                 struct sk_buff *skb;
1549                 int i, last;
1550
1551                 sw_ring_cons = TX_RING_IDX(sw_cons);
1552
1553                 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
1554                 skb = tx_buf->skb;
1555 #ifdef BCM_TSO
1556                 /* partial BD completions possible with TSO packets */
1557                 if (skb_shinfo(skb)->tso_size) {
1558                         u16 last_idx, last_ring_idx;
1559
1560                         last_idx = sw_cons +
1561                                 skb_shinfo(skb)->nr_frags + 1;
1562                         last_ring_idx = sw_ring_cons +
1563                                 skb_shinfo(skb)->nr_frags + 1;
1564                         if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
1565                                 last_idx++;
1566                         }
1567                         if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
1568                                 break;
1569                         }
1570                 }
1571 #endif
1572                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
1573                         skb_headlen(skb), PCI_DMA_TODEVICE);
1574
1575                 tx_buf->skb = NULL;
1576                 last = skb_shinfo(skb)->nr_frags;
1577
1578                 for (i = 0; i < last; i++) {
1579                         sw_cons = NEXT_TX_BD(sw_cons);
1580
1581                         pci_unmap_page(bp->pdev,
1582                                 pci_unmap_addr(
1583                                         &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
1584                                         mapping),
1585                                 skb_shinfo(skb)->frags[i].size,
1586                                 PCI_DMA_TODEVICE);
1587                 }
1588
1589                 sw_cons = NEXT_TX_BD(sw_cons);
1590
1591                 tx_free_bd += last + 1;
1592
1593                 dev_kfree_skb_irq(skb);
1594
1595                 hw_cons = bp->hw_tx_cons =
1596                         sblk->status_tx_quick_consumer_index0;
1597
1598                 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1599                         hw_cons++;
1600                 }
1601         }
1602
1603         bp->tx_cons = sw_cons;
1604
1605         if (unlikely(netif_queue_stopped(bp->dev))) {
1606                 spin_lock(&bp->tx_lock);
1607                 if ((netif_queue_stopped(bp->dev)) &&
1608                     (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)) {
1609
1610                         netif_wake_queue(bp->dev);
1611                 }
1612                 spin_unlock(&bp->tx_lock);
1613         }
1614 }
1615
1616 static inline void
1617 bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
1618         u16 cons, u16 prod)
1619 {
1620         struct sw_bd *cons_rx_buf = &bp->rx_buf_ring[cons];
1621         struct sw_bd *prod_rx_buf = &bp->rx_buf_ring[prod];
1622         struct rx_bd *cons_bd = &bp->rx_desc_ring[cons];
1623         struct rx_bd *prod_bd = &bp->rx_desc_ring[prod];
1624
1625         pci_dma_sync_single_for_device(bp->pdev,
1626                 pci_unmap_addr(cons_rx_buf, mapping),
1627                 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1628
1629         prod_rx_buf->skb = cons_rx_buf->skb;
1630         pci_unmap_addr_set(prod_rx_buf, mapping,
1631                         pci_unmap_addr(cons_rx_buf, mapping));
1632
1633         memcpy(prod_bd, cons_bd, 8);
1634
1635         bp->rx_prod_bseq += bp->rx_buf_use_size;
1636
1637 }
1638
1639 static int
1640 bnx2_rx_int(struct bnx2 *bp, int budget)
1641 {
1642         struct status_block *sblk = bp->status_blk;
1643         u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
1644         struct l2_fhdr *rx_hdr;
1645         int rx_pkt = 0;
1646
1647         hw_cons = bp->hw_rx_cons = sblk->status_rx_quick_consumer_index0;
1648         if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
1649                 hw_cons++;
1650         }
1651         sw_cons = bp->rx_cons;
1652         sw_prod = bp->rx_prod;
1653
1654         /* Memory barrier necessary as speculative reads of the rx
1655          * buffer can be ahead of the index in the status block
1656          */
1657         rmb();
1658         while (sw_cons != hw_cons) {
1659                 unsigned int len;
1660                 u16 status;
1661                 struct sw_bd *rx_buf;
1662                 struct sk_buff *skb;
1663
1664                 sw_ring_cons = RX_RING_IDX(sw_cons);
1665                 sw_ring_prod = RX_RING_IDX(sw_prod);
1666
1667                 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
1668                 skb = rx_buf->skb;
1669                 pci_dma_sync_single_for_cpu(bp->pdev,
1670                         pci_unmap_addr(rx_buf, mapping),
1671                         bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
1672
1673                 rx_hdr = (struct l2_fhdr *) skb->data;
1674                 len = rx_hdr->l2_fhdr_pkt_len - 4;
1675
1676                 if (rx_hdr->l2_fhdr_errors &
1677                         (L2_FHDR_ERRORS_BAD_CRC |
1678                         L2_FHDR_ERRORS_PHY_DECODE |
1679                         L2_FHDR_ERRORS_ALIGNMENT |
1680                         L2_FHDR_ERRORS_TOO_SHORT |
1681                         L2_FHDR_ERRORS_GIANT_FRAME)) {
1682
1683                         goto reuse_rx;
1684                 }
1685
1686                 /* Since we don't have a jumbo ring, copy small packets
1687                  * if mtu > 1500
1688                  */
1689                 if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
1690                         struct sk_buff *new_skb;
1691
1692                         new_skb = dev_alloc_skb(len + 2);
1693                         if (new_skb == NULL)
1694                                 goto reuse_rx;
1695
1696                         /* aligned copy */
1697                         memcpy(new_skb->data,
1698                                 skb->data + bp->rx_offset - 2,
1699                                 len + 2);
1700
1701                         skb_reserve(new_skb, 2);
1702                         skb_put(new_skb, len);
1703                         new_skb->dev = bp->dev;
1704
1705                         bnx2_reuse_rx_skb(bp, skb,
1706                                 sw_ring_cons, sw_ring_prod);
1707
1708                         skb = new_skb;
1709                 }
1710                 else if (bnx2_alloc_rx_skb(bp, sw_ring_prod) == 0) {
1711                         pci_unmap_single(bp->pdev,
1712                                 pci_unmap_addr(rx_buf, mapping),
1713                                 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1714
1715                         skb_reserve(skb, bp->rx_offset);
1716                         skb_put(skb, len);
1717                 }
1718                 else {
1719 reuse_rx:
1720                         bnx2_reuse_rx_skb(bp, skb,
1721                                 sw_ring_cons, sw_ring_prod);
1722                         goto next_rx;
1723                 }
1724
1725                 skb->protocol = eth_type_trans(skb, bp->dev);
1726
1727                 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
1728                         (htons(skb->protocol) != 0x8100)) {
1729
1730                         dev_kfree_skb_irq(skb);
1731                         goto next_rx;
1732
1733                 }
1734
1735                 status = rx_hdr->l2_fhdr_status;
1736                 skb->ip_summed = CHECKSUM_NONE;
1737                 if (bp->rx_csum &&
1738                         (status & (L2_FHDR_STATUS_TCP_SEGMENT |
1739                         L2_FHDR_STATUS_UDP_DATAGRAM))) {
1740
1741                         u16 cksum = rx_hdr->l2_fhdr_tcp_udp_xsum;
1742
1743                         if (cksum == 0xffff)
1744                                 skb->ip_summed = CHECKSUM_UNNECESSARY;
1745                 }
1746
1747 #ifdef BCM_VLAN
1748                 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
1749                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1750                                 rx_hdr->l2_fhdr_vlan_tag);
1751                 }
1752                 else
1753 #endif
1754                         netif_receive_skb(skb);
1755
1756                 bp->dev->last_rx = jiffies;
1757                 rx_pkt++;
1758
1759 next_rx:
1760                 rx_buf->skb = NULL;
1761
1762                 sw_cons = NEXT_RX_BD(sw_cons);
1763                 sw_prod = NEXT_RX_BD(sw_prod);
1764
1765                 if ((rx_pkt == budget))
1766                         break;
1767
1768                 /* Refresh hw_cons to see if there is new work */
1769                 if (sw_cons == hw_cons) {
1770                         hw_cons = bp->hw_rx_cons =
1771                                 sblk->status_rx_quick_consumer_index0;
1772                         if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT)
1773                                 hw_cons++;
1774                         rmb();
1775                 }
1776         }
1777         bp->rx_cons = sw_cons;
1778         bp->rx_prod = sw_prod;
1779
1780         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
1781
1782         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
1783
1784         mmiowb();
1785
1786         return rx_pkt;
1787
1788 }
1789
1790 /* MSI ISR - The only difference between this and the INTx ISR
1791  * is that the MSI interrupt is always serviced.
1792  */
1793 static irqreturn_t
1794 bnx2_msi(int irq, void *dev_instance, struct pt_regs *regs)
1795 {
1796         struct net_device *dev = dev_instance;
1797         struct bnx2 *bp = dev->priv;
1798
1799         prefetch(bp->status_blk);
1800         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1801                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1802                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1803
1804         /* Return here if interrupt is disabled. */
1805         if (unlikely(atomic_read(&bp->intr_sem) != 0))
1806                 return IRQ_HANDLED;
1807
1808         netif_rx_schedule(dev);
1809
1810         return IRQ_HANDLED;
1811 }
1812
1813 static irqreturn_t
1814 bnx2_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
1815 {
1816         struct net_device *dev = dev_instance;
1817         struct bnx2 *bp = dev->priv;
1818
1819         /* When using INTx, it is possible for the interrupt to arrive
1820          * at the CPU before the status block posted prior to the
1821          * interrupt. Reading a register will flush the status block.
1822          * When using MSI, the MSI message will always complete after
1823          * the status block write.
1824          */
1825         if ((bp->status_blk->status_idx == bp->last_status_idx) &&
1826             (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
1827              BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
1828                 return IRQ_NONE;
1829
1830         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1831                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
1832                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
1833
1834         /* Return here if interrupt is shared and is disabled. */
1835         if (unlikely(atomic_read(&bp->intr_sem) != 0))
1836                 return IRQ_HANDLED;
1837
1838         netif_rx_schedule(dev);
1839
1840         return IRQ_HANDLED;
1841 }
1842
1843 static inline int
1844 bnx2_has_work(struct bnx2 *bp)
1845 {
1846         struct status_block *sblk = bp->status_blk;
1847
1848         if ((sblk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) ||
1849             (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons))
1850                 return 1;
1851
1852         if (((sblk->status_attn_bits & STATUS_ATTN_BITS_LINK_STATE) != 0) !=
1853             bp->link_up)
1854                 return 1;
1855
1856         return 0;
1857 }
1858
1859 static int
1860 bnx2_poll(struct net_device *dev, int *budget)
1861 {
1862         struct bnx2 *bp = dev->priv;
1863
1864         if ((bp->status_blk->status_attn_bits &
1865                 STATUS_ATTN_BITS_LINK_STATE) !=
1866                 (bp->status_blk->status_attn_bits_ack &
1867                 STATUS_ATTN_BITS_LINK_STATE)) {
1868
1869                 spin_lock(&bp->phy_lock);
1870                 bnx2_phy_int(bp);
1871                 spin_unlock(&bp->phy_lock);
1872         }
1873
1874         if (bp->status_blk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)
1875                 bnx2_tx_int(bp);
1876
1877         if (bp->status_blk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) {
1878                 int orig_budget = *budget;
1879                 int work_done;
1880
1881                 if (orig_budget > dev->quota)
1882                         orig_budget = dev->quota;
1883
1884                 work_done = bnx2_rx_int(bp, orig_budget);
1885                 *budget -= work_done;
1886                 dev->quota -= work_done;
1887         }
1888
1889         bp->last_status_idx = bp->status_blk->status_idx;
1890         rmb();
1891
1892         if (!bnx2_has_work(bp)) {
1893                 netif_rx_complete(dev);
1894                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
1895                         BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
1896                         bp->last_status_idx);
1897                 return 0;
1898         }
1899
1900         return 1;
1901 }
1902
1903 /* Called with rtnl_lock from vlan functions and also dev->xmit_lock
1904  * from set_multicast.
1905  */
1906 static void
1907 bnx2_set_rx_mode(struct net_device *dev)
1908 {
1909         struct bnx2 *bp = dev->priv;
1910         u32 rx_mode, sort_mode;
1911         int i;
1912
1913         spin_lock_bh(&bp->phy_lock);
1914
1915         rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
1916                                   BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
1917         sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
1918 #ifdef BCM_VLAN
1919         if (!bp->vlgrp) {
1920                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
1921         }
1922 #else
1923         rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
1924 #endif
1925         if (dev->flags & IFF_PROMISC) {
1926                 /* Promiscuous mode. */
1927                 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
1928                 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN;
1929         }
1930         else if (dev->flags & IFF_ALLMULTI) {
1931                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1932                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1933                                0xffffffff);
1934                 }
1935                 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
1936         }
1937         else {
1938                 /* Accept one or more multicast(s). */
1939                 struct dev_mc_list *mclist;
1940                 u32 mc_filter[NUM_MC_HASH_REGISTERS];
1941                 u32 regidx;
1942                 u32 bit;
1943                 u32 crc;
1944
1945                 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
1946
1947                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
1948                      i++, mclist = mclist->next) {
1949
1950                         crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
1951                         bit = crc & 0xff;
1952                         regidx = (bit & 0xe0) >> 5;
1953                         bit &= 0x1f;
1954                         mc_filter[regidx] |= (1 << bit);
1955                 }
1956
1957                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
1958                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
1959                                mc_filter[i]);
1960                 }
1961
1962                 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
1963         }
1964
1965         if (rx_mode != bp->rx_mode) {
1966                 bp->rx_mode = rx_mode;
1967                 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
1968         }
1969
1970         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
1971         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
1972         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
1973
1974         spin_unlock_bh(&bp->phy_lock);
1975 }
1976
1977 static void
1978 load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
1979         u32 rv2p_proc)
1980 {
1981         int i;
1982         u32 val;
1983
1984
1985         for (i = 0; i < rv2p_code_len; i += 8) {
1986                 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, *rv2p_code);
1987                 rv2p_code++;
1988                 REG_WR(bp, BNX2_RV2P_INSTR_LOW, *rv2p_code);
1989                 rv2p_code++;
1990
1991                 if (rv2p_proc == RV2P_PROC1) {
1992                         val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
1993                         REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
1994                 }
1995                 else {
1996                         val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
1997                         REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
1998                 }
1999         }
2000
2001         /* Reset the processor, un-stall is done later. */
2002         if (rv2p_proc == RV2P_PROC1) {
2003                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
2004         }
2005         else {
2006                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
2007         }
2008 }
2009
2010 static void
2011 load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
2012 {
2013         u32 offset;
2014         u32 val;
2015
2016         /* Halt the CPU. */
2017         val = REG_RD_IND(bp, cpu_reg->mode);
2018         val |= cpu_reg->mode_value_halt;
2019         REG_WR_IND(bp, cpu_reg->mode, val);
2020         REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
2021
2022         /* Load the Text area. */
2023         offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
2024         if (fw->text) {
2025                 int j;
2026
2027                 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
2028                         REG_WR_IND(bp, offset, fw->text[j]);
2029                 }
2030         }
2031
2032         /* Load the Data area. */
2033         offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
2034         if (fw->data) {
2035                 int j;
2036
2037                 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
2038                         REG_WR_IND(bp, offset, fw->data[j]);
2039                 }
2040         }
2041
2042         /* Load the SBSS area. */
2043         offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
2044         if (fw->sbss) {
2045                 int j;
2046
2047                 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
2048                         REG_WR_IND(bp, offset, fw->sbss[j]);
2049                 }
2050         }
2051
2052         /* Load the BSS area. */
2053         offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
2054         if (fw->bss) {
2055                 int j;
2056
2057                 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
2058                         REG_WR_IND(bp, offset, fw->bss[j]);
2059                 }
2060         }
2061
2062         /* Load the Read-Only area. */
2063         offset = cpu_reg->spad_base +
2064                 (fw->rodata_addr - cpu_reg->mips_view_base);
2065         if (fw->rodata) {
2066                 int j;
2067
2068                 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
2069                         REG_WR_IND(bp, offset, fw->rodata[j]);
2070                 }
2071         }
2072
2073         /* Clear the pre-fetch instruction. */
2074         REG_WR_IND(bp, cpu_reg->inst, 0);
2075         REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);
2076
2077         /* Start the CPU. */
2078         val = REG_RD_IND(bp, cpu_reg->mode);
2079         val &= ~cpu_reg->mode_value_halt;
2080         REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
2081         REG_WR_IND(bp, cpu_reg->mode, val);
2082 }
2083
2084 static void
2085 bnx2_init_cpus(struct bnx2 *bp)
2086 {
2087         struct cpu_reg cpu_reg;
2088         struct fw_info fw;
2089
2090         /* Initialize the RV2P processor. */
2091         load_rv2p_fw(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), RV2P_PROC1);
2092         load_rv2p_fw(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), RV2P_PROC2);
2093
2094         /* Initialize the RX Processor. */
2095         cpu_reg.mode = BNX2_RXP_CPU_MODE;
2096         cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
2097         cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
2098         cpu_reg.state = BNX2_RXP_CPU_STATE;
2099         cpu_reg.state_value_clear = 0xffffff;
2100         cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
2101         cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
2102         cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
2103         cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
2104         cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
2105         cpu_reg.spad_base = BNX2_RXP_SCRATCH;
2106         cpu_reg.mips_view_base = 0x8000000;
2107
2108         fw.ver_major = bnx2_RXP_b06FwReleaseMajor;
2109         fw.ver_minor = bnx2_RXP_b06FwReleaseMinor;
2110         fw.ver_fix = bnx2_RXP_b06FwReleaseFix;
2111         fw.start_addr = bnx2_RXP_b06FwStartAddr;
2112
2113         fw.text_addr = bnx2_RXP_b06FwTextAddr;
2114         fw.text_len = bnx2_RXP_b06FwTextLen;
2115         fw.text_index = 0;
2116         fw.text = bnx2_RXP_b06FwText;
2117
2118         fw.data_addr = bnx2_RXP_b06FwDataAddr;
2119         fw.data_len = bnx2_RXP_b06FwDataLen;
2120         fw.data_index = 0;
2121         fw.data = bnx2_RXP_b06FwData;
2122
2123         fw.sbss_addr = bnx2_RXP_b06FwSbssAddr;
2124         fw.sbss_len = bnx2_RXP_b06FwSbssLen;
2125         fw.sbss_index = 0;
2126         fw.sbss = bnx2_RXP_b06FwSbss;
2127
2128         fw.bss_addr = bnx2_RXP_b06FwBssAddr;
2129         fw.bss_len = bnx2_RXP_b06FwBssLen;
2130         fw.bss_index = 0;
2131         fw.bss = bnx2_RXP_b06FwBss;
2132
2133         fw.rodata_addr = bnx2_RXP_b06FwRodataAddr;
2134         fw.rodata_len = bnx2_RXP_b06FwRodataLen;
2135         fw.rodata_index = 0;
2136         fw.rodata = bnx2_RXP_b06FwRodata;
2137
2138         load_cpu_fw(bp, &cpu_reg, &fw);
2139
2140         /* Initialize the TX Processor. */
2141         cpu_reg.mode = BNX2_TXP_CPU_MODE;
2142         cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
2143         cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
2144         cpu_reg.state = BNX2_TXP_CPU_STATE;
2145         cpu_reg.state_value_clear = 0xffffff;
2146         cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
2147         cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
2148         cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
2149         cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
2150         cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
2151         cpu_reg.spad_base = BNX2_TXP_SCRATCH;
2152         cpu_reg.mips_view_base = 0x8000000;
2153
2154         fw.ver_major = bnx2_TXP_b06FwReleaseMajor;
2155         fw.ver_minor = bnx2_TXP_b06FwReleaseMinor;
2156         fw.ver_fix = bnx2_TXP_b06FwReleaseFix;
2157         fw.start_addr = bnx2_TXP_b06FwStartAddr;
2158
2159         fw.text_addr = bnx2_TXP_b06FwTextAddr;
2160         fw.text_len = bnx2_TXP_b06FwTextLen;
2161         fw.text_index = 0;
2162         fw.text = bnx2_TXP_b06FwText;
2163
2164         fw.data_addr = bnx2_TXP_b06FwDataAddr;
2165         fw.data_len = bnx2_TXP_b06FwDataLen;
2166         fw.data_index = 0;
2167         fw.data = bnx2_TXP_b06FwData;
2168
2169         fw.sbss_addr = bnx2_TXP_b06FwSbssAddr;
2170         fw.sbss_len = bnx2_TXP_b06FwSbssLen;
2171         fw.sbss_index = 0;
2172         fw.sbss = bnx2_TXP_b06FwSbss;
2173
2174         fw.bss_addr = bnx2_TXP_b06FwBssAddr;
2175         fw.bss_len = bnx2_TXP_b06FwBssLen;
2176         fw.bss_index = 0;
2177         fw.bss = bnx2_TXP_b06FwBss;
2178
2179         fw.rodata_addr = bnx2_TXP_b06FwRodataAddr;
2180         fw.rodata_len = bnx2_TXP_b06FwRodataLen;
2181         fw.rodata_index = 0;
2182         fw.rodata = bnx2_TXP_b06FwRodata;
2183
2184         load_cpu_fw(bp, &cpu_reg, &fw);
2185
2186         /* Initialize the TX Patch-up Processor. */
2187         cpu_reg.mode = BNX2_TPAT_CPU_MODE;
2188         cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
2189         cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
2190         cpu_reg.state = BNX2_TPAT_CPU_STATE;
2191         cpu_reg.state_value_clear = 0xffffff;
2192         cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
2193         cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
2194         cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
2195         cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
2196         cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
2197         cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
2198         cpu_reg.mips_view_base = 0x8000000;
2199
2200         fw.ver_major = bnx2_TPAT_b06FwReleaseMajor;
2201         fw.ver_minor = bnx2_TPAT_b06FwReleaseMinor;
2202         fw.ver_fix = bnx2_TPAT_b06FwReleaseFix;
2203         fw.start_addr = bnx2_TPAT_b06FwStartAddr;
2204
2205         fw.text_addr = bnx2_TPAT_b06FwTextAddr;
2206         fw.text_len = bnx2_TPAT_b06FwTextLen;
2207         fw.text_index = 0;
2208         fw.text = bnx2_TPAT_b06FwText;
2209
2210         fw.data_addr = bnx2_TPAT_b06FwDataAddr;
2211         fw.data_len = bnx2_TPAT_b06FwDataLen;
2212         fw.data_index = 0;
2213         fw.data = bnx2_TPAT_b06FwData;
2214
2215         fw.sbss_addr = bnx2_TPAT_b06FwSbssAddr;
2216         fw.sbss_len = bnx2_TPAT_b06FwSbssLen;
2217         fw.sbss_index = 0;
2218         fw.sbss = bnx2_TPAT_b06FwSbss;
2219
2220         fw.bss_addr = bnx2_TPAT_b06FwBssAddr;
2221         fw.bss_len = bnx2_TPAT_b06FwBssLen;
2222         fw.bss_index = 0;
2223         fw.bss = bnx2_TPAT_b06FwBss;
2224
2225         fw.rodata_addr = bnx2_TPAT_b06FwRodataAddr;
2226         fw.rodata_len = bnx2_TPAT_b06FwRodataLen;
2227         fw.rodata_index = 0;
2228         fw.rodata = bnx2_TPAT_b06FwRodata;
2229
2230         load_cpu_fw(bp, &cpu_reg, &fw);
2231
2232         /* Initialize the Completion Processor. */
2233         cpu_reg.mode = BNX2_COM_CPU_MODE;
2234         cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
2235         cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
2236         cpu_reg.state = BNX2_COM_CPU_STATE;
2237         cpu_reg.state_value_clear = 0xffffff;
2238         cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
2239         cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
2240         cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
2241         cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
2242         cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
2243         cpu_reg.spad_base = BNX2_COM_SCRATCH;
2244         cpu_reg.mips_view_base = 0x8000000;
2245
2246         fw.ver_major = bnx2_COM_b06FwReleaseMajor;
2247         fw.ver_minor = bnx2_COM_b06FwReleaseMinor;
2248         fw.ver_fix = bnx2_COM_b06FwReleaseFix;
2249         fw.start_addr = bnx2_COM_b06FwStartAddr;
2250
2251         fw.text_addr = bnx2_COM_b06FwTextAddr;
2252         fw.text_len = bnx2_COM_b06FwTextLen;
2253         fw.text_index = 0;
2254         fw.text = bnx2_COM_b06FwText;
2255
2256         fw.data_addr = bnx2_COM_b06FwDataAddr;
2257         fw.data_len = bnx2_COM_b06FwDataLen;
2258         fw.data_index = 0;
2259         fw.data = bnx2_COM_b06FwData;
2260
2261         fw.sbss_addr = bnx2_COM_b06FwSbssAddr;
2262         fw.sbss_len = bnx2_COM_b06FwSbssLen;
2263         fw.sbss_index = 0;
2264         fw.sbss = bnx2_COM_b06FwSbss;
2265
2266         fw.bss_addr = bnx2_COM_b06FwBssAddr;
2267         fw.bss_len = bnx2_COM_b06FwBssLen;
2268         fw.bss_index = 0;
2269         fw.bss = bnx2_COM_b06FwBss;
2270
2271         fw.rodata_addr = bnx2_COM_b06FwRodataAddr;
2272         fw.rodata_len = bnx2_COM_b06FwRodataLen;
2273         fw.rodata_index = 0;
2274         fw.rodata = bnx2_COM_b06FwRodata;
2275
2276         load_cpu_fw(bp, &cpu_reg, &fw);
2277
2278 }
2279
2280 static int
2281 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
2282 {
2283         u16 pmcsr;
2284
2285         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
2286
2287         switch (state) {
2288         case PCI_D0: {
2289                 u32 val;
2290
2291                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2292                         (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
2293                         PCI_PM_CTRL_PME_STATUS);
2294
2295                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
2296                         /* delay required during transition out of D3hot */
2297                         msleep(20);
2298
2299                 val = REG_RD(bp, BNX2_EMAC_MODE);
2300                 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
2301                 val &= ~BNX2_EMAC_MODE_MPKT;
2302                 REG_WR(bp, BNX2_EMAC_MODE, val);
2303
2304                 val = REG_RD(bp, BNX2_RPM_CONFIG);
2305                 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2306                 REG_WR(bp, BNX2_RPM_CONFIG, val);
2307                 break;
2308         }
2309         case PCI_D3hot: {
2310                 int i;
2311                 u32 val, wol_msg;
2312
2313                 if (bp->wol) {
2314                         u32 advertising;
2315                         u8 autoneg;
2316
2317                         autoneg = bp->autoneg;
2318                         advertising = bp->advertising;
2319
2320                         bp->autoneg = AUTONEG_SPEED;
2321                         bp->advertising = ADVERTISED_10baseT_Half |
2322                                 ADVERTISED_10baseT_Full |
2323                                 ADVERTISED_100baseT_Half |
2324                                 ADVERTISED_100baseT_Full |
2325                                 ADVERTISED_Autoneg;
2326
2327                         bnx2_setup_copper_phy(bp);
2328
2329                         bp->autoneg = autoneg;
2330                         bp->advertising = advertising;
2331
2332                         bnx2_set_mac_addr(bp);
2333
2334                         val = REG_RD(bp, BNX2_EMAC_MODE);
2335
2336                         /* Enable port mode. */
2337                         val &= ~BNX2_EMAC_MODE_PORT;
2338                         val |= BNX2_EMAC_MODE_PORT_MII |
2339                                BNX2_EMAC_MODE_MPKT_RCVD |
2340                                BNX2_EMAC_MODE_ACPI_RCVD |
2341                                BNX2_EMAC_MODE_FORCE_LINK |
2342                                BNX2_EMAC_MODE_MPKT;
2343
2344                         REG_WR(bp, BNX2_EMAC_MODE, val);
2345
2346                         /* receive all multicast */
2347                         for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2348                                 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2349                                        0xffffffff);
2350                         }
2351                         REG_WR(bp, BNX2_EMAC_RX_MODE,
2352                                BNX2_EMAC_RX_MODE_SORT_MODE);
2353
2354                         val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
2355                               BNX2_RPM_SORT_USER0_MC_EN;
2356                         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
2357                         REG_WR(bp, BNX2_RPM_SORT_USER0, val);
2358                         REG_WR(bp, BNX2_RPM_SORT_USER0, val |
2359                                BNX2_RPM_SORT_USER0_ENA);
2360
2361                         /* Need to enable EMAC and RPM for WOL. */
2362                         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2363                                BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
2364                                BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
2365                                BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
2366
2367                         val = REG_RD(bp, BNX2_RPM_CONFIG);
2368                         val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2369                         REG_WR(bp, BNX2_RPM_CONFIG, val);
2370
2371                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
2372                 }
2373                 else {
2374                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
2375                 }
2376
2377                 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg);
2378
2379                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
2380                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2381                     (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
2382
2383                         if (bp->wol)
2384                                 pmcsr |= 3;
2385                 }
2386                 else {
2387                         pmcsr |= 3;
2388                 }
2389                 if (bp->wol) {
2390                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
2391                 }
2392                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2393                                       pmcsr);
2394
2395                 /* No more memory access after this point until
2396                  * device is brought back to D0.
2397                  */
2398                 udelay(50);
2399                 break;
2400         }
2401         default:
2402                 return -EINVAL;
2403         }
2404         return 0;
2405 }
2406
2407 static int
2408 bnx2_acquire_nvram_lock(struct bnx2 *bp)
2409 {
2410         u32 val;
2411         int j;
2412
2413         /* Request access to the flash interface. */
2414         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
2415         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2416                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2417                 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
2418                         break;
2419
2420                 udelay(5);
2421         }
2422
2423         if (j >= NVRAM_TIMEOUT_COUNT)
2424                 return -EBUSY;
2425
2426         return 0;
2427 }
2428
2429 static int
2430 bnx2_release_nvram_lock(struct bnx2 *bp)
2431 {
2432         int j;
2433         u32 val;
2434
2435         /* Relinquish nvram interface. */
2436         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
2437
2438         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2439                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2440                 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
2441                         break;
2442
2443                 udelay(5);
2444         }
2445
2446         if (j >= NVRAM_TIMEOUT_COUNT)
2447                 return -EBUSY;
2448
2449         return 0;
2450 }
2451
2452
2453 static int
2454 bnx2_enable_nvram_write(struct bnx2 *bp)
2455 {
2456         u32 val;
2457
2458         val = REG_RD(bp, BNX2_MISC_CFG);
2459         REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
2460
2461         if (!bp->flash_info->buffered) {
2462                 int j;
2463
2464                 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2465                 REG_WR(bp, BNX2_NVM_COMMAND,
2466                        BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
2467
2468                 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2469                         udelay(5);
2470
2471                         val = REG_RD(bp, BNX2_NVM_COMMAND);
2472                         if (val & BNX2_NVM_COMMAND_DONE)
2473                                 break;
2474                 }
2475
2476                 if (j >= NVRAM_TIMEOUT_COUNT)
2477                         return -EBUSY;
2478         }
2479         return 0;
2480 }
2481
2482 static void
2483 bnx2_disable_nvram_write(struct bnx2 *bp)
2484 {
2485         u32 val;
2486
2487         val = REG_RD(bp, BNX2_MISC_CFG);
2488         REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
2489 }
2490
2491
2492 static void
2493 bnx2_enable_nvram_access(struct bnx2 *bp)
2494 {
2495         u32 val;
2496
2497         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2498         /* Enable both bits, even on read. */
2499         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
2500                val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
2501 }
2502
2503 static void
2504 bnx2_disable_nvram_access(struct bnx2 *bp)
2505 {
2506         u32 val;
2507
2508         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
2509         /* Disable both bits, even after read. */
2510         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
2511                 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
2512                         BNX2_NVM_ACCESS_ENABLE_WR_EN));
2513 }
2514
2515 static int
2516 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
2517 {
2518         u32 cmd;
2519         int j;
2520
2521         if (bp->flash_info->buffered)
2522                 /* Buffered flash, no erase needed */
2523                 return 0;
2524
2525         /* Build an erase command */
2526         cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
2527               BNX2_NVM_COMMAND_DOIT;
2528
2529         /* Need to clear DONE bit separately. */
2530         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2531
2532         /* Address of the NVRAM to read from. */
2533         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2534
2535         /* Issue an erase command. */
2536         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2537
2538         /* Wait for completion. */
2539         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2540                 u32 val;
2541
2542                 udelay(5);
2543
2544                 val = REG_RD(bp, BNX2_NVM_COMMAND);
2545                 if (val & BNX2_NVM_COMMAND_DONE)
2546                         break;
2547         }
2548
2549         if (j >= NVRAM_TIMEOUT_COUNT)
2550                 return -EBUSY;
2551
2552         return 0;
2553 }
2554
2555 static int
2556 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
2557 {
2558         u32 cmd;
2559         int j;
2560
2561         /* Build the command word. */
2562         cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
2563
2564         /* Calculate an offset of a buffered flash. */
2565         if (bp->flash_info->buffered) {
2566                 offset = ((offset / bp->flash_info->page_size) <<
2567                            bp->flash_info->page_bits) +
2568                           (offset % bp->flash_info->page_size);
2569         }
2570
2571         /* Need to clear DONE bit separately. */
2572         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2573
2574         /* Address of the NVRAM to read from. */
2575         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2576
2577         /* Issue a read command. */
2578         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2579
2580         /* Wait for completion. */
2581         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2582                 u32 val;
2583
2584                 udelay(5);
2585
2586                 val = REG_RD(bp, BNX2_NVM_COMMAND);
2587                 if (val & BNX2_NVM_COMMAND_DONE) {
2588                         val = REG_RD(bp, BNX2_NVM_READ);
2589
2590                         val = be32_to_cpu(val);
2591                         memcpy(ret_val, &val, 4);
2592                         break;
2593                 }
2594         }
2595         if (j >= NVRAM_TIMEOUT_COUNT)
2596                 return -EBUSY;
2597
2598         return 0;
2599 }
2600
2601
2602 static int
2603 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
2604 {
2605         u32 cmd, val32;
2606         int j;
2607
2608         /* Build the command word. */
2609         cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
2610
2611         /* Calculate an offset of a buffered flash. */
2612         if (bp->flash_info->buffered) {
2613                 offset = ((offset / bp->flash_info->page_size) <<
2614                           bp->flash_info->page_bits) +
2615                          (offset % bp->flash_info->page_size);
2616         }
2617
2618         /* Need to clear DONE bit separately. */
2619         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
2620
2621         memcpy(&val32, val, 4);
2622         val32 = cpu_to_be32(val32);
2623
2624         /* Write the data. */
2625         REG_WR(bp, BNX2_NVM_WRITE, val32);
2626
2627         /* Address of the NVRAM to write to. */
2628         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
2629
2630         /* Issue the write command. */
2631         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
2632
2633         /* Wait for completion. */
2634         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2635                 udelay(5);
2636
2637                 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
2638                         break;
2639         }
2640         if (j >= NVRAM_TIMEOUT_COUNT)
2641                 return -EBUSY;
2642
2643         return 0;
2644 }
2645
2646 static int
2647 bnx2_init_nvram(struct bnx2 *bp)
2648 {
2649         u32 val;
2650         int j, entry_count, rc;
2651         struct flash_spec *flash;
2652
2653         /* Determine the selected interface. */
2654         val = REG_RD(bp, BNX2_NVM_CFG1);
2655
2656         entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
2657
2658         rc = 0;
2659         if (val & 0x40000000) {
2660
2661                 /* Flash interface has been reconfigured */
2662                 for (j = 0, flash = &flash_table[0]; j < entry_count;
2663                      j++, flash++) {
2664                         if ((val & FLASH_BACKUP_STRAP_MASK) ==
2665                             (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
2666                                 bp->flash_info = flash;
2667                                 break;
2668                         }
2669                 }
2670         }
2671         else {
2672                 u32 mask;
2673                 /* Not yet been reconfigured */
2674
2675                 if (val & (1 << 23))
2676                         mask = FLASH_BACKUP_STRAP_MASK;
2677                 else
2678                         mask = FLASH_STRAP_MASK;
2679
2680                 for (j = 0, flash = &flash_table[0]; j < entry_count;
2681                         j++, flash++) {
2682
2683                         if ((val & mask) == (flash->strapping & mask)) {
2684                                 bp->flash_info = flash;
2685
2686                                 /* Request access to the flash interface. */
2687                                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2688                                         return rc;
2689
2690                                 /* Enable access to flash interface */
2691                                 bnx2_enable_nvram_access(bp);
2692
2693                                 /* Reconfigure the flash interface */
2694                                 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
2695                                 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
2696                                 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
2697                                 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
2698
2699                                 /* Disable access to flash interface */
2700                                 bnx2_disable_nvram_access(bp);
2701                                 bnx2_release_nvram_lock(bp);
2702
2703                                 break;
2704                         }
2705                 }
2706         } /* if (val & 0x40000000) */
2707
2708         if (j == entry_count) {
2709                 bp->flash_info = NULL;
2710                 printk(KERN_ALERT "Unknown flash/EEPROM type.\n");
2711                 rc = -ENODEV;
2712         }
2713
2714         return rc;
2715 }
2716
2717 static int
2718 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
2719                 int buf_size)
2720 {
2721         int rc = 0;
2722         u32 cmd_flags, offset32, len32, extra;
2723
2724         if (buf_size == 0)
2725                 return 0;
2726
2727         /* Request access to the flash interface. */
2728         if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2729                 return rc;
2730
2731         /* Enable access to flash interface */
2732         bnx2_enable_nvram_access(bp);
2733
2734         len32 = buf_size;
2735         offset32 = offset;
2736         extra = 0;
2737
2738         cmd_flags = 0;
2739
2740         if (offset32 & 3) {
2741                 u8 buf[4];
2742                 u32 pre_len;
2743
2744                 offset32 &= ~3;
2745                 pre_len = 4 - (offset & 3);
2746
2747                 if (pre_len >= len32) {
2748                         pre_len = len32;
2749                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
2750                                     BNX2_NVM_COMMAND_LAST;
2751                 }
2752                 else {
2753                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
2754                 }
2755
2756                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2757
2758                 if (rc)
2759                         return rc;
2760
2761                 memcpy(ret_buf, buf + (offset & 3), pre_len);
2762
2763                 offset32 += 4;
2764                 ret_buf += pre_len;
2765                 len32 -= pre_len;
2766         }
2767         if (len32 & 3) {
2768                 extra = 4 - (len32 & 3);
2769                 len32 = (len32 + 4) & ~3;
2770         }
2771
2772         if (len32 == 4) {
2773                 u8 buf[4];
2774
2775                 if (cmd_flags)
2776                         cmd_flags = BNX2_NVM_COMMAND_LAST;
2777                 else
2778                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
2779                                     BNX2_NVM_COMMAND_LAST;
2780
2781                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2782
2783                 memcpy(ret_buf, buf, 4 - extra);
2784         }
2785         else if (len32 > 0) {
2786                 u8 buf[4];
2787
2788                 /* Read the first word. */
2789                 if (cmd_flags)
2790                         cmd_flags = 0;
2791                 else
2792                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
2793
2794                 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
2795
2796                 /* Advance to the next dword. */
2797                 offset32 += 4;
2798                 ret_buf += 4;
2799                 len32 -= 4;
2800
2801                 while (len32 > 4 && rc == 0) {
2802                         rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
2803
2804                         /* Advance to the next dword. */
2805                         offset32 += 4;
2806                         ret_buf += 4;
2807                         len32 -= 4;
2808                 }
2809
2810                 if (rc)
2811                         return rc;
2812
2813                 cmd_flags = BNX2_NVM_COMMAND_LAST;
2814                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
2815
2816                 memcpy(ret_buf, buf, 4 - extra);
2817         }
2818
2819         /* Disable access to flash interface */
2820         bnx2_disable_nvram_access(bp);
2821
2822         bnx2_release_nvram_lock(bp);
2823
2824         return rc;
2825 }
2826
2827 static int
2828 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
2829                 int buf_size)
2830 {
2831         u32 written, offset32, len32;
2832         u8 *buf, start[4], end[4];
2833         int rc = 0;
2834         int align_start, align_end;
2835
2836         buf = data_buf;
2837         offset32 = offset;
2838         len32 = buf_size;
2839         align_start = align_end = 0;
2840
2841         if ((align_start = (offset32 & 3))) {
2842                 offset32 &= ~3;
2843                 len32 += align_start;
2844                 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
2845                         return rc;
2846         }
2847
2848         if (len32 & 3) {
2849                 if ((len32 > 4) || !align_start) {
2850                         align_end = 4 - (len32 & 3);
2851                         len32 += align_end;
2852                         if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4,
2853                                 end, 4))) {
2854                                 return rc;
2855                         }
2856                 }
2857         }
2858
2859         if (align_start || align_end) {
2860                 buf = kmalloc(len32, GFP_KERNEL);
2861                 if (buf == 0)
2862                         return -ENOMEM;
2863                 if (align_start) {
2864                         memcpy(buf, start, 4);
2865                 }
2866                 if (align_end) {
2867                         memcpy(buf + len32 - 4, end, 4);
2868                 }
2869                 memcpy(buf + align_start, data_buf, buf_size);
2870         }
2871
2872         written = 0;
2873         while ((written < len32) && (rc == 0)) {
2874                 u32 page_start, page_end, data_start, data_end;
2875                 u32 addr, cmd_flags;
2876                 int i;
2877                 u8 flash_buffer[264];
2878
2879                 /* Find the page_start addr */
2880                 page_start = offset32 + written;
2881                 page_start -= (page_start % bp->flash_info->page_size);
2882                 /* Find the page_end addr */
2883                 page_end = page_start + bp->flash_info->page_size;
2884                 /* Find the data_start addr */
2885                 data_start = (written == 0) ? offset32 : page_start;
2886                 /* Find the data_end addr */
2887                 data_end = (page_end > offset32 + len32) ?
2888                         (offset32 + len32) : page_end;
2889
2890                 /* Request access to the flash interface. */
2891                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
2892                         goto nvram_write_end;
2893
2894                 /* Enable access to flash interface */
2895                 bnx2_enable_nvram_access(bp);
2896
2897                 cmd_flags = BNX2_NVM_COMMAND_FIRST;
2898                 if (bp->flash_info->buffered == 0) {
2899                         int j;
2900
2901                         /* Read the whole page into the buffer
2902                          * (non-buffer flash only) */
2903                         for (j = 0; j < bp->flash_info->page_size; j += 4) {
2904                                 if (j == (bp->flash_info->page_size - 4)) {
2905                                         cmd_flags |= BNX2_NVM_COMMAND_LAST;
2906                                 }
2907                                 rc = bnx2_nvram_read_dword(bp,
2908                                         page_start + j,
2909                                         &flash_buffer[j],
2910                                         cmd_flags);
2911
2912                                 if (rc)
2913                                         goto nvram_write_end;
2914
2915                                 cmd_flags = 0;
2916                         }
2917                 }
2918
2919                 /* Enable writes to flash interface (unlock write-protect) */
2920                 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
2921                         goto nvram_write_end;
2922
2923                 /* Erase the page */
2924                 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
2925                         goto nvram_write_end;
2926
2927                 /* Re-enable the write again for the actual write */
2928                 bnx2_enable_nvram_write(bp);
2929
2930                 /* Loop to write back the buffer data from page_start to
2931                  * data_start */
2932                 i = 0;
2933                 if (bp->flash_info->buffered == 0) {
2934                         for (addr = page_start; addr < data_start;
2935                                 addr += 4, i += 4) {
2936
2937                                 rc = bnx2_nvram_write_dword(bp, addr,
2938                                         &flash_buffer[i], cmd_flags);
2939
2940                                 if (rc != 0)
2941                                         goto nvram_write_end;
2942
2943                                 cmd_flags = 0;
2944                         }
2945                 }
2946
2947                 /* Loop to write the new data from data_start to data_end */
2948                 for (addr = data_start; addr < data_end; addr += 4, i++) {
2949                         if ((addr == page_end - 4) ||
2950                                 ((bp->flash_info->buffered) &&
2951                                  (addr == data_end - 4))) {
2952
2953                                 cmd_flags |= BNX2_NVM_COMMAND_LAST;
2954                         }
2955                         rc = bnx2_nvram_write_dword(bp, addr, buf,
2956                                 cmd_flags);
2957
2958                         if (rc != 0)
2959                                 goto nvram_write_end;
2960
2961                         cmd_flags = 0;
2962                         buf += 4;
2963                 }
2964
2965                 /* Loop to write back the buffer data from data_end
2966                  * to page_end */
2967                 if (bp->flash_info->buffered == 0) {
2968                         for (addr = data_end; addr < page_end;
2969                                 addr += 4, i += 4) {
2970
2971                                 if (addr == page_end-4) {
2972                                         cmd_flags = BNX2_NVM_COMMAND_LAST;
2973                                 }
2974                                 rc = bnx2_nvram_write_dword(bp, addr,
2975                                         &flash_buffer[i], cmd_flags);
2976
2977                                 if (rc != 0)
2978                                         goto nvram_write_end;
2979
2980                                 cmd_flags = 0;
2981                         }
2982                 }
2983
2984                 /* Disable writes to flash interface (lock write-protect) */
2985                 bnx2_disable_nvram_write(bp);
2986
2987                 /* Disable access to flash interface */
2988                 bnx2_disable_nvram_access(bp);
2989                 bnx2_release_nvram_lock(bp);
2990
2991                 /* Increment written */
2992                 written += data_end - data_start;
2993         }
2994
2995 nvram_write_end:
2996         if (align_start || align_end)
2997                 kfree(buf);
2998         return rc;
2999 }
3000
3001 static int
3002 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
3003 {
3004         u32 val;
3005         int i, rc = 0;
3006
3007         /* Wait for the current PCI transaction to complete before
3008          * issuing a reset. */
3009         REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
3010                BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
3011                BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
3012                BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
3013                BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
3014         val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
3015         udelay(5);
3016
3017         /* Deposit a driver reset signature so the firmware knows that
3018          * this is a soft reset. */
3019         REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
3020                    BNX2_DRV_RESET_SIGNATURE_MAGIC);
3021
3022         bp->fw_timed_out = 0;
3023
3024         /* Wait for the firmware to tell us it is ok to issue a reset. */
3025         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code);
3026
3027         /* Do a dummy read to force the chip to complete all current transaction
3028          * before we issue a reset. */
3029         val = REG_RD(bp, BNX2_MISC_ID);
3030
3031         val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3032               BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
3033               BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
3034
3035         /* Chip reset. */
3036         REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
3037
3038         if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3039             (CHIP_ID(bp) == CHIP_ID_5706_A1))
3040                 msleep(15);
3041
3042         /* Reset takes approximate 30 usec */
3043         for (i = 0; i < 10; i++) {
3044                 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
3045                 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3046                             BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) {
3047                         break;
3048                 }
3049                 udelay(10);
3050         }
3051
3052         if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3053                    BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
3054                 printk(KERN_ERR PFX "Chip reset did not complete\n");
3055                 return -EBUSY;
3056         }
3057
3058         /* Make sure byte swapping is properly configured. */
3059         val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
3060         if (val != 0x01020304) {
3061                 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
3062                 return -ENODEV;
3063         }
3064
3065         bp->fw_timed_out = 0;
3066
3067         /* Wait for the firmware to finish its initialization. */
3068         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code);
3069
3070         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
3071                 /* Adjust the voltage regular to two steps lower.  The default
3072                  * of this register is 0x0000000e. */
3073                 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
3074
3075                 /* Remove bad rbuf memory from the free pool. */
3076                 rc = bnx2_alloc_bad_rbuf(bp);
3077         }
3078
3079         return rc;
3080 }
3081
3082 static int
3083 bnx2_init_chip(struct bnx2 *bp)
3084 {
3085         u32 val;
3086
3087         /* Make sure the interrupt is not active. */
3088         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3089
3090         val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
3091               BNX2_DMA_CONFIG_DATA_WORD_SWAP |
3092 #ifdef __BIG_ENDIAN
3093               BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
3094 #endif
3095               BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
3096               DMA_READ_CHANS << 12 |
3097               DMA_WRITE_CHANS << 16;
3098
3099         val |= (0x2 << 20) | (1 << 11);
3100
3101         if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz = 133))
3102                 val |= (1 << 23);
3103
3104         if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
3105             (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
3106                 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
3107
3108         REG_WR(bp, BNX2_DMA_CONFIG, val);
3109
3110         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
3111                 val = REG_RD(bp, BNX2_TDMA_CONFIG);
3112                 val |= BNX2_TDMA_CONFIG_ONE_DMA;
3113                 REG_WR(bp, BNX2_TDMA_CONFIG, val);
3114         }
3115
3116         if (bp->flags & PCIX_FLAG) {
3117                 u16 val16;
3118
3119                 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
3120                                      &val16);
3121                 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
3122                                       val16 & ~PCI_X_CMD_ERO);
3123         }
3124
3125         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3126                BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
3127                BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
3128                BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
3129
3130         /* Initialize context mapping and zero out the quick contexts.  The
3131          * context block must have already been enabled. */
3132         bnx2_init_context(bp);
3133
3134         bnx2_init_cpus(bp);
3135         bnx2_init_nvram(bp);
3136
3137         bnx2_set_mac_addr(bp);
3138
3139         val = REG_RD(bp, BNX2_MQ_CONFIG);
3140         val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
3141         val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
3142         REG_WR(bp, BNX2_MQ_CONFIG, val);
3143
3144         val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
3145         REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
3146         REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
3147
3148         val = (BCM_PAGE_BITS - 8) << 24;
3149         REG_WR(bp, BNX2_RV2P_CONFIG, val);
3150
3151         /* Configure page size. */
3152         val = REG_RD(bp, BNX2_TBDR_CONFIG);
3153         val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
3154         val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
3155         REG_WR(bp, BNX2_TBDR_CONFIG, val);
3156
3157         val = bp->mac_addr[0] +
3158               (bp->mac_addr[1] << 8) +
3159               (bp->mac_addr[2] << 16) +
3160               bp->mac_addr[3] +
3161               (bp->mac_addr[4] << 8) +
3162               (bp->mac_addr[5] << 16);
3163         REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
3164
3165         /* Program the MTU.  Also include 4 bytes for CRC32. */
3166         val = bp->dev->mtu + ETH_HLEN + 4;
3167         if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
3168                 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
3169         REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
3170
3171         bp->last_status_idx = 0;
3172         bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
3173
3174         /* Set up how to generate a link change interrupt. */
3175         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
3176
3177         REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
3178                (u64) bp->status_blk_mapping & 0xffffffff);
3179         REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
3180
3181         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
3182                (u64) bp->stats_blk_mapping & 0xffffffff);
3183         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
3184                (u64) bp->stats_blk_mapping >> 32);
3185
3186         REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
3187                (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
3188
3189         REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
3190                (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
3191
3192         REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
3193                (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
3194
3195         REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
3196
3197         REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
3198
3199         REG_WR(bp, BNX2_HC_COM_TICKS,
3200                (bp->com_ticks_int << 16) | bp->com_ticks);
3201
3202         REG_WR(bp, BNX2_HC_CMD_TICKS,
3203                (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
3204
3205         REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks & 0xffff00);
3206         REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */
3207
3208         if (CHIP_ID(bp) == CHIP_ID_5706_A1)
3209                 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_COLLECT_STATS);
3210         else {
3211                 REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_RX_TMR_MODE |
3212                        BNX2_HC_CONFIG_TX_TMR_MODE |
3213                        BNX2_HC_CONFIG_COLLECT_STATS);
3214         }
3215
3216         /* Clear internal stats counters. */
3217         REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
3218
3219         REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE);
3220
3221         /* Initialize the receive filter. */
3222         bnx2_set_rx_mode(bp->dev);
3223
3224         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET);
3225
3226         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 0x5ffffff);
3227         REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
3228
3229         udelay(20);
3230
3231         return 0;
3232 }
3233
3234
3235 static void
3236 bnx2_init_tx_ring(struct bnx2 *bp)
3237 {
3238         struct tx_bd *txbd;
3239         u32 val;
3240
3241         txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
3242
3243         txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
3244         txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
3245
3246         bp->tx_prod = 0;
3247         bp->tx_cons = 0;
3248         bp->hw_tx_cons = 0;
3249         bp->tx_prod_bseq = 0;
3250
3251         val = BNX2_L2CTX_TYPE_TYPE_L2;
3252         val |= BNX2_L2CTX_TYPE_SIZE_L2;
3253         CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TYPE, val);
3254
3255         val = BNX2_L2CTX_CMD_TYPE_TYPE_L2;
3256         val |= 8 << 16;
3257         CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_CMD_TYPE, val);
3258
3259         val = (u64) bp->tx_desc_mapping >> 32;
3260         CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_HI, val);
3261
3262         val = (u64) bp->tx_desc_mapping & 0xffffffff;
3263         CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_LO, val);
3264 }
3265
3266 static void
3267 bnx2_init_rx_ring(struct bnx2 *bp)
3268 {
3269         struct rx_bd *rxbd;
3270         int i;
3271         u16 prod, ring_prod;
3272         u32 val;
3273
3274         /* 8 for CRC and VLAN */
3275         bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
3276         /* 8 for alignment */
3277         bp->rx_buf_size = bp->rx_buf_use_size + 8;
3278
3279         ring_prod = prod = bp->rx_prod = 0;
3280         bp->rx_cons = 0;
3281         bp->hw_rx_cons = 0;
3282         bp->rx_prod_bseq = 0;
3283
3284         rxbd = &bp->rx_desc_ring[0];
3285         for (i = 0; i < MAX_RX_DESC_CNT; i++, rxbd++) {
3286                 rxbd->rx_bd_len = bp->rx_buf_use_size;
3287                 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
3288         }
3289
3290         rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping >> 32;
3291         rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping & 0xffffffff;
3292
3293         val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
3294         val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
3295         val |= 0x02 << 8;
3296         CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);
3297
3298         val = (u64) bp->rx_desc_mapping >> 32;
3299         CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);
3300
3301         val = (u64) bp->rx_desc_mapping & 0xffffffff;
3302         CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);
3303
3304         for ( ;ring_prod < bp->rx_ring_size; ) {
3305                 if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
3306                         break;
3307                 }
3308                 prod = NEXT_RX_BD(prod);
3309                 ring_prod = RX_RING_IDX(prod);
3310         }
3311         bp->rx_prod = prod;
3312
3313         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
3314
3315         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
3316 }
3317
3318 static void
3319 bnx2_free_tx_skbs(struct bnx2 *bp)
3320 {
3321         int i;
3322
3323         if (bp->tx_buf_ring == NULL)
3324                 return;
3325
3326         for (i = 0; i < TX_DESC_CNT; ) {
3327                 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
3328                 struct sk_buff *skb = tx_buf->skb;
3329                 int j, last;
3330
3331                 if (skb == NULL) {
3332                         i++;
3333                         continue;
3334                 }
3335
3336                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
3337                         skb_headlen(skb), PCI_DMA_TODEVICE);
3338
3339                 tx_buf->skb = NULL;
3340
3341                 last = skb_shinfo(skb)->nr_frags;
3342                 for (j = 0; j < last; j++) {
3343                         tx_buf = &bp->tx_buf_ring[i + j + 1];
3344                         pci_unmap_page(bp->pdev,
3345                                 pci_unmap_addr(tx_buf, mapping),
3346                                 skb_shinfo(skb)->frags[j].size,
3347                                 PCI_DMA_TODEVICE);
3348                 }
3349                 dev_kfree_skb_any(skb);
3350                 i += j + 1;
3351         }
3352
3353 }
3354
3355 static void
3356 bnx2_free_rx_skbs(struct bnx2 *bp)
3357 {
3358         int i;
3359
3360         if (bp->rx_buf_ring == NULL)
3361                 return;
3362
3363         for (i = 0; i < RX_DESC_CNT; i++) {
3364                 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
3365                 struct sk_buff *skb = rx_buf->skb;
3366
3367                 if (skb == NULL)
3368                         continue;
3369
3370                 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
3371                         bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
3372
3373                 rx_buf->skb = NULL;
3374
3375                 dev_kfree_skb_any(skb);
3376         }
3377 }
3378
3379 static void
3380 bnx2_free_skbs(struct bnx2 *bp)
3381 {
3382         bnx2_free_tx_skbs(bp);
3383         bnx2_free_rx_skbs(bp);
3384 }
3385
3386 static int
3387 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
3388 {
3389         int rc;
3390
3391         rc = bnx2_reset_chip(bp, reset_code);
3392         bnx2_free_skbs(bp);
3393         if (rc)
3394                 return rc;
3395
3396         bnx2_init_chip(bp);
3397         bnx2_init_tx_ring(bp);
3398         bnx2_init_rx_ring(bp);
3399         return 0;
3400 }
3401
3402 static int
3403 bnx2_init_nic(struct bnx2 *bp)
3404 {
3405         int rc;
3406
3407         if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
3408                 return rc;
3409
3410         bnx2_init_phy(bp);
3411         bnx2_set_link(bp);
3412         return 0;
3413 }
3414
3415 static int
3416 bnx2_test_registers(struct bnx2 *bp)
3417 {
3418         int ret;
3419         int i;
3420         static struct {
3421                 u16   offset;
3422                 u16   flags;
3423                 u32   rw_mask;
3424                 u32   ro_mask;
3425         } reg_tbl[] = {
3426                 { 0x006c, 0, 0x00000000, 0x0000003f },
3427                 { 0x0090, 0, 0xffffffff, 0x00000000 },
3428                 { 0x0094, 0, 0x00000000, 0x00000000 },
3429
3430                 { 0x0404, 0, 0x00003f00, 0x00000000 },
3431                 { 0x0418, 0, 0x00000000, 0xffffffff },
3432                 { 0x041c, 0, 0x00000000, 0xffffffff },
3433                 { 0x0420, 0, 0x00000000, 0x80ffffff },
3434                 { 0x0424, 0, 0x00000000, 0x00000000 },
3435                 { 0x0428, 0, 0x00000000, 0x00000001 },
3436                 { 0x0450, 0, 0x00000000, 0x0000ffff },
3437                 { 0x0454, 0, 0x00000000, 0xffffffff },
3438                 { 0x0458, 0, 0x00000000, 0xffffffff },
3439
3440                 { 0x0808, 0, 0x00000000, 0xffffffff },
3441                 { 0x0854, 0, 0x00000000, 0xffffffff },
3442                 { 0x0868, 0, 0x00000000, 0x77777777 },
3443                 { 0x086c, 0, 0x00000000, 0x77777777 },
3444                 { 0x0870, 0, 0x00000000, 0x77777777 },
3445                 { 0x0874, 0, 0x00000000, 0x77777777 },
3446
3447                 { 0x0c00, 0, 0x00000000, 0x00000001 },
3448                 { 0x0c04, 0, 0x00000000, 0x03ff0001 },
3449                 { 0x0c08, 0, 0x0f0ff073, 0x00000000 },
3450                 { 0x0c0c, 0, 0x00ffffff, 0x00000000 },
3451                 { 0x0c30, 0, 0x00000000, 0xffffffff },
3452                 { 0x0c34, 0, 0x00000000, 0xffffffff },
3453                 { 0x0c38, 0, 0x00000000, 0xffffffff },
3454                 { 0x0c3c, 0, 0x00000000, 0xffffffff },
3455                 { 0x0c40, 0, 0x00000000, 0xffffffff },
3456                 { 0x0c44, 0, 0x00000000, 0xffffffff },
3457                 { 0x0c48, 0, 0x00000000, 0x0007ffff },
3458                 { 0x0c4c, 0, 0x00000000, 0xffffffff },
3459                 { 0x0c50, 0, 0x00000000, 0xffffffff },
3460                 { 0x0c54, 0, 0x00000000, 0xffffffff },
3461                 { 0x0c58, 0, 0x00000000, 0xffffffff },
3462                 { 0x0c5c, 0, 0x00000000, 0xffffffff },
3463                 { 0x0c60, 0, 0x00000000, 0xffffffff },
3464                 { 0x0c64, 0, 0x00000000, 0xffffffff },
3465                 { 0x0c68, 0, 0x00000000, 0xffffffff },
3466                 { 0x0c6c, 0, 0x00000000, 0xffffffff },
3467                 { 0x0c70, 0, 0x00000000, 0xffffffff },
3468                 { 0x0c74, 0, 0x00000000, 0xffffffff },
3469                 { 0x0c78, 0, 0x00000000, 0xffffffff },
3470                 { 0x0c7c, 0, 0x00000000, 0xffffffff },
3471                 { 0x0c80, 0, 0x00000000, 0xffffffff },
3472                 { 0x0c84, 0, 0x00000000, 0xffffffff },
3473                 { 0x0c88, 0, 0x00000000, 0xffffffff },
3474                 { 0x0c8c, 0, 0x00000000, 0xffffffff },
3475                 { 0x0c90, 0, 0x00000000, 0xffffffff },
3476                 { 0x0c94, 0, 0x00000000, 0xffffffff },
3477                 { 0x0c98, 0, 0x00000000, 0xffffffff },
3478                 { 0x0c9c, 0, 0x00000000, 0xffffffff },
3479                 { 0x0ca0, 0, 0x00000000, 0xffffffff },
3480                 { 0x0ca4, 0, 0x00000000, 0xffffffff },
3481                 { 0x0ca8, 0, 0x00000000, 0x0007ffff },
3482                 { 0x0cac, 0, 0x00000000, 0xffffffff },
3483                 { 0x0cb0, 0, 0x00000000, 0xffffffff },
3484                 { 0x0cb4, 0, 0x00000000, 0xffffffff },
3485                 { 0x0cb8, 0, 0x00000000, 0xffffffff },
3486                 { 0x0cbc, 0, 0x00000000, 0xffffffff },
3487                 { 0x0cc0, 0, 0x00000000, 0xffffffff },
3488                 { 0x0cc4, 0, 0x00000000, 0xffffffff },
3489                 { 0x0cc8, 0, 0x00000000, 0xffffffff },
3490                 { 0x0ccc, 0, 0x00000000, 0xffffffff },
3491                 { 0x0cd0, 0, 0x00000000, 0xffffffff },
3492                 { 0x0cd4, 0, 0x00000000, 0xffffffff },
3493                 { 0x0cd8, 0, 0x00000000, 0xffffffff },
3494                 { 0x0cdc, 0, 0x00000000, 0xffffffff },
3495                 { 0x0ce0, 0, 0x00000000, 0xffffffff },
3496                 { 0x0ce4, 0, 0x00000000, 0xffffffff },
3497                 { 0x0ce8, 0, 0x00000000, 0xffffffff },
3498                 { 0x0cec, 0, 0x00000000, 0xffffffff },
3499                 { 0x0cf0, 0, 0x00000000, 0xffffffff },
3500                 { 0x0cf4, 0, 0x00000000, 0xffffffff },
3501                 { 0x0cf8, 0, 0x00000000, 0xffffffff },
3502                 { 0x0cfc, 0, 0x00000000, 0xffffffff },
3503                 { 0x0d00, 0, 0x00000000, 0xffffffff },
3504                 { 0x0d04, 0, 0x00000000, 0xffffffff },
3505
3506                 { 0x1000, 0, 0x00000000, 0x00000001 },
3507                 { 0x1004, 0, 0x00000000, 0x000f0001 },
3508                 { 0x1044, 0, 0x00000000, 0xffc003ff },
3509                 { 0x1080, 0, 0x00000000, 0x0001ffff },
3510                 { 0x1084, 0, 0x00000000, 0xffffffff },
3511                 { 0x1088, 0, 0x00000000, 0xffffffff },
3512                 { 0x108c, 0, 0x00000000, 0xffffffff },
3513                 { 0x1090, 0, 0x00000000, 0xffffffff },
3514                 { 0x1094, 0, 0x00000000, 0xffffffff },
3515                 { 0x1098, 0, 0x00000000, 0xffffffff },
3516                 { 0x109c, 0, 0x00000000, 0xffffffff },
3517                 { 0x10a0, 0, 0x00000000, 0xffffffff },
3518
3519                 { 0x1408, 0, 0x01c00800, 0x00000000 },
3520                 { 0x149c, 0, 0x8000ffff, 0x00000000 },
3521                 { 0x14a8, 0, 0x00000000, 0x000001ff },
3522                 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
3523                 { 0x14b0, 0, 0x00000002, 0x00000001 },
3524                 { 0x14b8, 0, 0x00000000, 0x00000000 },
3525                 { 0x14c0, 0, 0x00000000, 0x00000009 },
3526                 { 0x14c4, 0, 0x00003fff, 0x00000000 },
3527                 { 0x14cc, 0, 0x00000000, 0x00000001 },
3528                 { 0x14d0, 0, 0xffffffff, 0x00000000 },
3529                 { 0x1500, 0, 0x00000000, 0xffffffff },
3530                 { 0x1504, 0, 0x00000000, 0xffffffff },
3531                 { 0x1508, 0, 0x00000000, 0xffffffff },
3532                 { 0x150c, 0, 0x00000000, 0xffffffff },
3533                 { 0x1510, 0, 0x00000000, 0xffffffff },
3534                 { 0x1514, 0, 0x00000000, 0xffffffff },
3535                 { 0x1518, 0, 0x00000000, 0xffffffff },
3536                 { 0x151c, 0, 0x00000000, 0xffffffff },
3537                 { 0x1520, 0, 0x00000000, 0xffffffff },
3538                 { 0x1524, 0, 0x00000000, 0xffffffff },
3539                 { 0x1528, 0, 0x00000000, 0xffffffff },
3540                 { 0x152c, 0, 0x00000000, 0xffffffff },
3541                 { 0x1530, 0, 0x00000000, 0xffffffff },
3542                 { 0x1534, 0, 0x00000000, 0xffffffff },
3543                 { 0x1538, 0, 0x00000000, 0xffffffff },
3544                 { 0x153c, 0, 0x00000000, 0xffffffff },
3545                 { 0x1540, 0, 0x00000000, 0xffffffff },
3546                 { 0x1544, 0, 0x00000000, 0xffffffff },
3547                 { 0x1548, 0, 0x00000000, 0xffffffff },
3548                 { 0x154c, 0, 0x00000000, 0xffffffff },
3549                 { 0x1550, 0, 0x00000000, 0xffffffff },
3550                 { 0x1554, 0, 0x00000000, 0xffffffff },
3551                 { 0x1558, 0, 0x00000000, 0xffffffff },
3552                 { 0x1600, 0, 0x00000000, 0xffffffff },
3553                 { 0x1604, 0, 0x00000000, 0xffffffff },
3554                 { 0x1608, 0, 0x00000000, 0xffffffff },
3555                 { 0x160c, 0, 0x00000000, 0xffffffff },
3556                 { 0x1610, 0, 0x00000000, 0xffffffff },
3557                 { 0x1614, 0, 0x00000000, 0xffffffff },
3558                 { 0x1618, 0, 0x00000000, 0xffffffff },
3559                 { 0x161c, 0, 0x00000000, 0xffffffff },
3560                 { 0x1620, 0, 0x00000000, 0xffffffff },
3561                 { 0x1624, 0, 0x00000000, 0xffffffff },
3562                 { 0x1628, 0, 0x00000000, 0xffffffff },
3563                 { 0x162c, 0, 0x00000000, 0xffffffff },
3564                 { 0x1630, 0, 0x00000000, 0xffffffff },
3565                 { 0x1634, 0, 0x00000000, 0xffffffff },
3566                 { 0x1638, 0, 0x00000000, 0xffffffff },
3567                 { 0x163c, 0, 0x00000000, 0xffffffff },
3568                 { 0x1640, 0, 0x00000000, 0xffffffff },
3569                 { 0x1644, 0, 0x00000000, 0xffffffff },
3570                 { 0x1648, 0, 0x00000000, 0xffffffff },
3571                 { 0x164c, 0, 0x00000000, 0xffffffff },
3572                 { 0x1650, 0, 0x00000000, 0xffffffff },
3573                 { 0x1654, 0, 0x00000000, 0xffffffff },
3574
3575                 { 0x1800, 0, 0x00000000, 0x00000001 },
3576                 { 0x1804, 0, 0x00000000, 0x00000003 },
3577                 { 0x1840, 0, 0x00000000, 0xffffffff },
3578                 { 0x1844, 0, 0x00000000, 0xffffffff },
3579                 { 0x1848, 0, 0x00000000, 0xffffffff },
3580                 { 0x184c, 0, 0x00000000, 0xffffffff },
3581                 { 0x1850, 0, 0x00000000, 0xffffffff },
3582                 { 0x1900, 0, 0x7ffbffff, 0x00000000 },
3583                 { 0x1904, 0, 0xffffffff, 0x00000000 },
3584                 { 0x190c, 0, 0xffffffff, 0x00000000 },
3585                 { 0x1914, 0, 0xffffffff, 0x00000000 },
3586                 { 0x191c, 0, 0xffffffff, 0x00000000 },
3587                 { 0x1924, 0, 0xffffffff, 0x00000000 },
3588                 { 0x192c, 0, 0xffffffff, 0x00000000 },
3589                 { 0x1934, 0, 0xffffffff, 0x00000000 },
3590                 { 0x193c, 0, 0xffffffff, 0x00000000 },
3591                 { 0x1944, 0, 0xffffffff, 0x00000000 },
3592                 { 0x194c, 0, 0xffffffff, 0x00000000 },
3593                 { 0x1954, 0, 0xffffffff, 0x00000000 },
3594                 { 0x195c, 0, 0xffffffff, 0x00000000 },
3595                 { 0x1964, 0, 0xffffffff, 0x00000000 },
3596                 { 0x196c, 0, 0xffffffff, 0x00000000 },
3597                 { 0x1974, 0, 0xffffffff, 0x00000000 },
3598                 { 0x197c, 0, 0xffffffff, 0x00000000 },
3599                 { 0x1980, 0, 0x0700ffff, 0x00000000 },
3600
3601                 { 0x1c00, 0, 0x00000000, 0x00000001 },
3602                 { 0x1c04, 0, 0x00000000, 0x00000003 },
3603                 { 0x1c08, 0, 0x0000000f, 0x00000000 },
3604                 { 0x1c40, 0, 0x00000000, 0xffffffff },
3605                 { 0x1c44, 0, 0x00000000, 0xffffffff },
3606                 { 0x1c48, 0, 0x00000000, 0xffffffff },
3607                 { 0x1c4c, 0, 0x00000000, 0xffffffff },
3608                 { 0x1c50, 0, 0x00000000, 0xffffffff },
3609                 { 0x1d00, 0, 0x7ffbffff, 0x00000000 },
3610                 { 0x1d04, 0, 0xffffffff, 0x00000000 },
3611                 { 0x1d0c, 0, 0xffffffff, 0x00000000 },
3612                 { 0x1d14, 0, 0xffffffff, 0x00000000 },
3613                 { 0x1d1c, 0, 0xffffffff, 0x00000000 },
3614                 { 0x1d24, 0, 0xffffffff, 0x00000000 },
3615                 { 0x1d2c, 0, 0xffffffff, 0x00000000 },
3616                 { 0x1d34, 0, 0xffffffff, 0x00000000 },
3617                 { 0x1d3c, 0, 0xffffffff, 0x00000000 },
3618                 { 0x1d44, 0, 0xffffffff, 0x00000000 },
3619                 { 0x1d4c, 0, 0xffffffff, 0x00000000 },
3620                 { 0x1d54, 0, 0xffffffff, 0x00000000 },
3621                 { 0x1d5c, 0, 0xffffffff, 0x00000000 },
3622                 { 0x1d64, 0, 0xffffffff, 0x00000000 },
3623                 { 0x1d6c, 0, 0xffffffff, 0x00000000 },
3624                 { 0x1d74, 0, 0xffffffff, 0x00000000 },
3625                 { 0x1d7c, 0, 0xffffffff, 0x00000000 },
3626                 { 0x1d80, 0, 0x0700ffff, 0x00000000 },
3627
3628                 { 0x2004, 0, 0x00000000, 0x0337000f },
3629                 { 0x2008, 0, 0xffffffff, 0x00000000 },
3630                 { 0x200c, 0, 0xffffffff, 0x00000000 },
3631                 { 0x2010, 0, 0xffffffff, 0x00000000 },
3632                 { 0x2014, 0, 0x801fff80, 0x00000000 },
3633                 { 0x2018, 0, 0x000003ff, 0x00000000 },
3634
3635                 { 0x2800, 0, 0x00000000, 0x00000001 },
3636                 { 0x2804, 0, 0x00000000, 0x00003f01 },
3637                 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
3638                 { 0x2810, 0, 0xffff0000, 0x00000000 },
3639                 { 0x2814, 0, 0xffff0000, 0x00000000 },
3640                 { 0x2818, 0, 0xffff0000, 0x00000000 },
3641                 { 0x281c, 0, 0xffff0000, 0x00000000 },
3642                 { 0x2834, 0, 0xffffffff, 0x00000000 },
3643                 { 0x2840, 0, 0x00000000, 0xffffffff },
3644                 { 0x2844, 0, 0x00000000, 0xffffffff },
3645                 { 0x2848, 0, 0xffffffff, 0x00000000 },
3646                 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
3647
3648                 { 0x2c00, 0, 0x00000000, 0x00000011 },
3649                 { 0x2c04, 0, 0x00000000, 0x00030007 },
3650
3651                 { 0x3000, 0, 0x00000000, 0x00000001 },
3652                 { 0x3004, 0, 0x00000000, 0x007007ff },
3653                 { 0x3008, 0, 0x00000003, 0x00000000 },
3654                 { 0x300c, 0, 0xffffffff, 0x00000000 },
3655                 { 0x3010, 0, 0xffffffff, 0x00000000 },
3656                 { 0x3014, 0, 0xffffffff, 0x00000000 },
3657                 { 0x3034, 0, 0xffffffff, 0x00000000 },
3658                 { 0x3038, 0, 0xffffffff, 0x00000000 },
3659                 { 0x3050, 0, 0x00000001, 0x00000000 },
3660
3661                 { 0x3c00, 0, 0x00000000, 0x00000001 },
3662                 { 0x3c04, 0, 0x00000000, 0x00070000 },
3663                 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
3664                 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
3665                 { 0x3c10, 0, 0xffffffff, 0x00000000 },
3666                 { 0x3c14, 0, 0x00000000, 0xffffffff },
3667                 { 0x3c18, 0, 0x00000000, 0xffffffff },
3668                 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
3669                 { 0x3c20, 0, 0xffffff00, 0x00000000 },
3670                 { 0x3c24, 0, 0xffffffff, 0x00000000 },
3671                 { 0x3c28, 0, 0xffffffff, 0x00000000 },
3672                 { 0x3c2c, 0, 0xffffffff, 0x00000000 },
3673                 { 0x3c30, 0, 0xffffffff, 0x00000000 },
3674                 { 0x3c34, 0, 0xffffffff, 0x00000000 },
3675                 { 0x3c38, 0, 0xffffffff, 0x00000000 },
3676                 { 0x3c3c, 0, 0xffffffff, 0x00000000 },
3677                 { 0x3c40, 0, 0xffffffff, 0x00000000 },
3678                 { 0x3c44, 0, 0xffffffff, 0x00000000 },
3679                 { 0x3c48, 0, 0xffffffff, 0x00000000 },
3680                 { 0x3c4c, 0, 0xffffffff, 0x00000000 },
3681                 { 0x3c50, 0, 0xffffffff, 0x00000000 },
3682                 { 0x3c54, 0, 0xffffffff, 0x00000000 },
3683                 { 0x3c58, 0, 0xffffffff, 0x00000000 },
3684                 { 0x3c5c, 0, 0xffffffff, 0x00000000 },
3685                 { 0x3c60, 0, 0xffffffff, 0x00000000 },
3686                 { 0x3c64, 0, 0xffffffff, 0x00000000 },
3687                 { 0x3c68, 0, 0xffffffff, 0x00000000 },
3688                 { 0x3c6c, 0, 0xffffffff, 0x00000000 },
3689                 { 0x3c70, 0, 0xffffffff, 0x00000000 },
3690                 { 0x3c74, 0, 0x0000003f, 0x00000000 },
3691                 { 0x3c78, 0, 0x00000000, 0x00000000 },
3692                 { 0x3c7c, 0, 0x00000000, 0x00000000 },
3693                 { 0x3c80, 0, 0x3fffffff, 0x00000000 },
3694                 { 0x3c84, 0, 0x0000003f, 0x00000000 },
3695                 { 0x3c88, 0, 0x00000000, 0xffffffff },
3696                 { 0x3c8c, 0, 0x00000000, 0xffffffff },
3697
3698                 { 0x4000, 0, 0x00000000, 0x00000001 },
3699                 { 0x4004, 0, 0x00000000, 0x00030000 },
3700                 { 0x4008, 0, 0x00000ff0, 0x00000000 },
3701                 { 0x400c, 0, 0xffffffff, 0x00000000 },
3702                 { 0x4088, 0, 0x00000000, 0x00070303 },
3703
3704                 { 0x4400, 0, 0x00000000, 0x00000001 },
3705                 { 0x4404, 0, 0x00000000, 0x00003f01 },
3706                 { 0x4408, 0, 0x7fff00ff, 0x00000000 },
3707                 { 0x440c, 0, 0xffffffff, 0x00000000 },
3708                 { 0x4410, 0, 0xffff,     0x0000 },
3709                 { 0x4414, 0, 0xffff,     0x0000 },
3710                 { 0x4418, 0, 0xffff,     0x0000 },
3711                 { 0x441c, 0, 0xffff,     0x0000 },
3712                 { 0x4428, 0, 0xffffffff, 0x00000000 },
3713                 { 0x442c, 0, 0xffffffff, 0x00000000 },
3714                 { 0x4430, 0, 0xffffffff, 0x00000000 },
3715                 { 0x4434, 0, 0xffffffff, 0x00000000 },
3716                 { 0x4438, 0, 0xffffffff, 0x00000000 },
3717                 { 0x443c, 0, 0xffffffff, 0x00000000 },
3718                 { 0x4440, 0, 0xffffffff, 0x00000000 },
3719                 { 0x4444, 0, 0xffffffff, 0x00000000 },
3720
3721                 { 0x4c00, 0, 0x00000000, 0x00000001 },
3722                 { 0x4c04, 0, 0x00000000, 0x0000003f },
3723                 { 0x4c08, 0, 0xffffffff, 0x00000000 },
3724                 { 0x4c0c, 0, 0x0007fc00, 0x00000000 },
3725                 { 0x4c10, 0, 0x80003fe0, 0x00000000 },
3726                 { 0x4c14, 0, 0xffffffff, 0x00000000 },
3727                 { 0x4c44, 0, 0x00000000, 0x9fff9fff },
3728                 { 0x4c48, 0, 0x00000000, 0xb3009fff },
3729                 { 0x4c4c, 0, 0x00000000, 0x77f33b30 },
3730                 { 0x4c50, 0, 0x00000000, 0xffffffff },
3731
3732                 { 0x5004, 0, 0x00000000, 0x0000007f },
3733                 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
3734                 { 0x500c, 0, 0xf800f800, 0x07ff07ff },
3735
3736                 { 0x5400, 0, 0x00000008, 0x00000001 },
3737                 { 0x5404, 0, 0x00000000, 0x0000003f },
3738                 { 0x5408, 0, 0x0000001f, 0x00000000 },
3739                 { 0x540c, 0, 0xffffffff, 0x00000000 },
3740                 { 0x5410, 0, 0xffffffff, 0x00000000 },
3741                 { 0x5414, 0, 0x0000ffff, 0x00000000 },
3742                 { 0x5418, 0, 0x0000ffff, 0x00000000 },
3743                 { 0x541c, 0, 0x0000ffff, 0x00000000 },
3744                 { 0x5420, 0, 0x0000ffff, 0x00000000 },
3745                 { 0x5428, 0, 0x000000ff, 0x00000000 },
3746                 { 0x542c, 0, 0xff00ffff, 0x00000000 },
3747                 { 0x5430, 0, 0x001fff80, 0x00000000 },
3748                 { 0x5438, 0, 0xffffffff, 0x00000000 },
3749                 { 0x543c, 0, 0xffffffff, 0x00000000 },
3750                 { 0x5440, 0, 0xf800f800, 0x07ff07ff },
3751
3752                 { 0x5c00, 0, 0x00000000, 0x00000001 },
3753                 { 0x5c04, 0, 0x00000000, 0x0003000f },
3754                 { 0x5c08, 0, 0x00000003, 0x00000000 },
3755                 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
3756                 { 0x5c10, 0, 0x00000000, 0xffffffff },
3757                 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
3758                 { 0x5c84, 0, 0x00000000, 0x0000f333 },
3759                 { 0x5c88, 0, 0x00000000, 0x00077373 },
3760                 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
3761
3762                 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
3763                 { 0x680c, 0, 0xffffffff, 0x00000000 },
3764                 { 0x6810, 0, 0xffffffff, 0x00000000 },
3765                 { 0x6814, 0, 0xffffffff, 0x00000000 },
3766                 { 0x6818, 0, 0xffffffff, 0x00000000 },
3767                 { 0x681c, 0, 0xffffffff, 0x00000000 },
3768                 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
3769                 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
3770                 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
3771                 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
3772                 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
3773                 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
3774                 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
3775                 { 0x683c, 0, 0x0000ffff, 0x00000000 },
3776                 { 0x6840, 0, 0x00000ff0, 0x00000000 },
3777                 { 0x6844, 0, 0x00ffff00, 0x00000000 },
3778                 { 0x684c, 0, 0xffffffff, 0x00000000 },
3779                 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
3780                 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
3781                 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
3782                 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
3783                 { 0x6908, 0, 0x00000000, 0x0001ff0f },
3784                 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
3785
3786                 { 0xffff, 0, 0x00000000, 0x00000000 },
3787         };
3788
3789         ret = 0;
3790         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
3791                 u32 offset, rw_mask, ro_mask, save_val, val;
3792
3793                 offset = (u32) reg_tbl[i].offset;
3794                 rw_mask = reg_tbl[i].rw_mask;
3795                 ro_mask = reg_tbl[i].ro_mask;
3796
3797                 save_val = readl(bp->regview + offset);
3798
3799                 writel(0, bp->regview + offset);
3800
3801                 val = readl(bp->regview + offset);
3802                 if ((val & rw_mask) != 0) {
3803                         goto reg_test_err;
3804                 }
3805
3806                 if ((val & ro_mask) != (save_val & ro_mask)) {
3807                         goto reg_test_err;
3808                 }
3809
3810                 writel(0xffffffff, bp->regview + offset);
3811
3812                 val = readl(bp->regview + offset);
3813                 if ((val & rw_mask) != rw_mask) {
3814                         goto reg_test_err;
3815                 }
3816
3817                 if ((val & ro_mask) != (save_val & ro_mask)) {
3818                         goto reg_test_err;
3819                 }
3820
3821                 writel(save_val, bp->regview + offset);
3822                 continue;
3823
3824 reg_test_err:
3825                 writel(save_val, bp->regview + offset);
3826                 ret = -ENODEV;
3827                 break;
3828         }
3829         return ret;
3830 }
3831
3832 static int
3833 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
3834 {
3835         static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
3836                 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
3837         int i;
3838
3839         for (i = 0; i < sizeof(test_pattern) / 4; i++) {
3840                 u32 offset;
3841
3842                 for (offset = 0; offset < size; offset += 4) {
3843
3844                         REG_WR_IND(bp, start + offset, test_pattern[i]);
3845
3846                         if (REG_RD_IND(bp, start + offset) !=
3847                                 test_pattern[i]) {
3848                                 return -ENODEV;
3849                         }
3850                 }
3851         }
3852         return 0;
3853 }
3854
3855 static int
3856 bnx2_test_memory(struct bnx2 *bp)
3857 {
3858         int ret = 0;
3859         int i;
3860         static struct {
3861                 u32   offset;
3862                 u32   len;
3863         } mem_tbl[] = {
3864                 { 0x60000,  0x4000 },
3865                 { 0xa0000,  0x3000 },
3866                 { 0xe0000,  0x4000 },
3867                 { 0x120000, 0x4000 },
3868                 { 0x1a0000, 0x4000 },
3869                 { 0x160000, 0x4000 },
3870                 { 0xffffffff, 0    },
3871         };
3872
3873         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
3874                 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
3875                         mem_tbl[i].len)) != 0) {
3876                         return ret;
3877                 }
3878         }
3879
3880         return ret;
3881 }
3882
3883 static int
3884 bnx2_test_loopback(struct bnx2 *bp)
3885 {
3886         unsigned int pkt_size, num_pkts, i;
3887         struct sk_buff *skb, *rx_skb;
3888         unsigned char *packet;
3889         u16 rx_start_idx, rx_idx, send_idx;
3890         u32 send_bseq, val;
3891         dma_addr_t map;
3892         struct tx_bd *txbd;
3893         struct sw_bd *rx_buf;
3894         struct l2_fhdr *rx_hdr;
3895         int ret = -ENODEV;
3896
3897         if (!netif_running(bp->dev))
3898                 return -ENODEV;
3899
3900         bp->loopback = MAC_LOOPBACK;
3901         bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_DIAG);
3902         bnx2_set_mac_loopback(bp);
3903
3904         pkt_size = 1514;
3905         skb = dev_alloc_skb(pkt_size);
3906         packet = skb_put(skb, pkt_size);
3907         memcpy(packet, bp->mac_addr, 6);
3908         memset(packet + 6, 0x0, 8);
3909         for (i = 14; i < pkt_size; i++)
3910                 packet[i] = (unsigned char) (i & 0xff);
3911
3912         map = pci_map_single(bp->pdev, skb->data, pkt_size,
3913                 PCI_DMA_TODEVICE);
3914
3915         val = REG_RD(bp, BNX2_HC_COMMAND);
3916         REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3917         REG_RD(bp, BNX2_HC_COMMAND);
3918
3919         udelay(5);
3920         rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;
3921
3922         send_idx = 0;
3923         send_bseq = 0;
3924         num_pkts = 0;
3925
3926         txbd = &bp->tx_desc_ring[send_idx];
3927
3928         txbd->tx_bd_haddr_hi = (u64) map >> 32;
3929         txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
3930         txbd->tx_bd_mss_nbytes = pkt_size;
3931         txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
3932
3933         num_pkts++;
3934         send_idx = NEXT_TX_BD(send_idx);
3935
3936         send_bseq += pkt_size;
3937
3938         REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, send_idx);
3939         REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, send_bseq);
3940
3941
3942         udelay(100);
3943
3944         val = REG_RD(bp, BNX2_HC_COMMAND);
3945         REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3946         REG_RD(bp, BNX2_HC_COMMAND);
3947
3948         udelay(5);
3949
3950         pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
3951         dev_kfree_skb_irq(skb);
3952
3953         if (bp->status_blk->status_tx_quick_consumer_index0 != send_idx) {
3954                 goto loopback_test_done;
3955         }
3956
3957         rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
3958         if (rx_idx != rx_start_idx + num_pkts) {
3959                 goto loopback_test_done;
3960         }
3961
3962         rx_buf = &bp->rx_buf_ring[rx_start_idx];
3963         rx_skb = rx_buf->skb;
3964
3965         rx_hdr = (struct l2_fhdr *) rx_skb->data;
3966         skb_reserve(rx_skb, bp->rx_offset);
3967
3968         pci_dma_sync_single_for_cpu(bp->pdev,
3969                 pci_unmap_addr(rx_buf, mapping),
3970                 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
3971
3972         if (rx_hdr->l2_fhdr_errors &
3973                 (L2_FHDR_ERRORS_BAD_CRC |
3974                 L2_FHDR_ERRORS_PHY_DECODE |
3975                 L2_FHDR_ERRORS_ALIGNMENT |
3976                 L2_FHDR_ERRORS_TOO_SHORT |
3977                 L2_FHDR_ERRORS_GIANT_FRAME)) {
3978
3979                 goto loopback_test_done;
3980         }
3981
3982         if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
3983                 goto loopback_test_done;
3984         }
3985
3986         for (i = 14; i < pkt_size; i++) {
3987                 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
3988                         goto loopback_test_done;
3989                 }
3990         }
3991
3992         ret = 0;
3993
3994 loopback_test_done:
3995         bp->loopback = 0;
3996         return ret;
3997 }
3998
3999 #define NVRAM_SIZE 0x200
4000 #define CRC32_RESIDUAL 0xdebb20e3
4001
4002 static int
4003 bnx2_test_nvram(struct bnx2 *bp)
4004 {
4005         u32 buf[NVRAM_SIZE / 4];
4006         u8 *data = (u8 *) buf;
4007         int rc = 0;
4008         u32 magic, csum;
4009
4010         if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
4011                 goto test_nvram_done;
4012
4013         magic = be32_to_cpu(buf[0]);
4014         if (magic != 0x669955aa) {
4015                 rc = -ENODEV;
4016                 goto test_nvram_done;
4017         }
4018
4019         if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
4020                 goto test_nvram_done;
4021
4022         csum = ether_crc_le(0x100, data);
4023         if (csum != CRC32_RESIDUAL) {
4024                 rc = -ENODEV;
4025                 goto test_nvram_done;
4026         }
4027
4028         csum = ether_crc_le(0x100, data + 0x100);
4029         if (csum != CRC32_RESIDUAL) {
4030                 rc = -ENODEV;
4031         }
4032
4033 test_nvram_done:
4034         return rc;
4035 }
4036
4037 static int
4038 bnx2_test_link(struct bnx2 *bp)
4039 {
4040         u32 bmsr;
4041
4042         spin_lock_bh(&bp->phy_lock);
4043         bnx2_read_phy(bp, MII_BMSR, &bmsr);
4044         bnx2_read_phy(bp, MII_BMSR, &bmsr);
4045         spin_unlock_bh(&bp->phy_lock);
4046
4047         if (bmsr & BMSR_LSTATUS) {
4048                 return 0;
4049         }
4050         return -ENODEV;
4051 }
4052
4053 static int
4054 bnx2_test_intr(struct bnx2 *bp)
4055 {
4056         int i;
4057         u32 val;
4058         u16 status_idx;
4059
4060         if (!netif_running(bp->dev))
4061                 return -ENODEV;
4062
4063         status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
4064
4065         /* This register is not touched during run-time. */
4066         val = REG_RD(bp, BNX2_HC_COMMAND);
4067         REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
4068         REG_RD(bp, BNX2_HC_COMMAND);
4069
4070         for (i = 0; i < 10; i++) {
4071                 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
4072                         status_idx) {
4073
4074                         break;
4075                 }
4076
4077                 msleep_interruptible(10);
4078         }
4079         if (i < 10)
4080                 return 0;
4081
4082         return -ENODEV;
4083 }
4084
4085 static void
4086 bnx2_timer(unsigned long data)
4087 {
4088         struct bnx2 *bp = (struct bnx2 *) data;
4089         u32 msg;
4090
4091         if (!netif_running(bp->dev))
4092                 return;
4093
4094         if (atomic_read(&bp->intr_sem) != 0)
4095                 goto bnx2_restart_timer;
4096
4097         msg = (u32) ++bp->fw_drv_pulse_wr_seq;
4098         REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB, msg);
4099
4100         if ((bp->phy_flags & PHY_SERDES_FLAG) &&
4101             (CHIP_NUM(bp) == CHIP_NUM_5706)) {
4102
4103                 spin_lock(&bp->phy_lock);
4104                 if (bp->serdes_an_pending) {
4105                         bp->serdes_an_pending--;
4106                 }
4107                 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
4108                         u32 bmcr;
4109
4110                         bp->current_interval = bp->timer_interval;
4111
4112                         bnx2_read_phy(bp, MII_BMCR, &bmcr);
4113
4114                         if (bmcr & BMCR_ANENABLE) {
4115                                 u32 phy1, phy2;
4116
4117                                 bnx2_write_phy(bp, 0x1c, 0x7c00);
4118                                 bnx2_read_phy(bp, 0x1c, &phy1);
4119
4120                                 bnx2_write_phy(bp, 0x17, 0x0f01);
4121                                 bnx2_read_phy(bp, 0x15, &phy2);
4122                                 bnx2_write_phy(bp, 0x17, 0x0f01);
4123                                 bnx2_read_phy(bp, 0x15, &phy2);
4124
4125                                 if ((phy1 & 0x10) &&    /* SIGNAL DETECT */
4126                                         !(phy2 & 0x20)) {       /* no CONFIG */
4127
4128                                         bmcr &= ~BMCR_ANENABLE;
4129                                         bmcr |= BMCR_SPEED1000 |
4130                                                 BMCR_FULLDPLX;
4131                                         bnx2_write_phy(bp, MII_BMCR, bmcr);
4132                                         bp->phy_flags |=
4133                                                 PHY_PARALLEL_DETECT_FLAG;
4134                                 }
4135                         }
4136                 }
4137                 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
4138                         (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
4139                         u32 phy2;
4140
4141                         bnx2_write_phy(bp, 0x17, 0x0f01);
4142                         bnx2_read_phy(bp, 0x15, &phy2);
4143                         if (phy2 & 0x20) {
4144                                 u32 bmcr;
4145
4146                                 bnx2_read_phy(bp, MII_BMCR, &bmcr);
4147                                 bmcr |= BMCR_ANENABLE;
4148                                 bnx2_write_phy(bp, MII_BMCR, bmcr);
4149
4150                                 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
4151
4152                         }
4153                 }
4154                 else
4155                         bp->current_interval = bp->timer_interval;
4156
4157                 spin_unlock(&bp->phy_lock);
4158         }
4159
4160 bnx2_restart_timer:
4161         mod_timer(&bp->timer, jiffies + bp->current_interval);
4162 }
4163
4164 /* Called with rtnl_lock */
4165 static int
4166 bnx2_open(struct net_device *dev)
4167 {
4168         struct bnx2 *bp = dev->priv;
4169         int rc;
4170
4171         bnx2_set_power_state(bp, PCI_D0);
4172         bnx2_disable_int(bp);
4173
4174         rc = bnx2_alloc_mem(bp);
4175         if (rc)
4176                 return rc;
4177
4178         if ((CHIP_ID(bp) != CHIP_ID_5706_A0) &&
4179                 (CHIP_ID(bp) != CHIP_ID_5706_A1) &&
4180                 !disable_msi) {
4181
4182                 if (pci_enable_msi(bp->pdev) == 0) {
4183                         bp->flags |= USING_MSI_FLAG;
4184                         rc = request_irq(bp->pdev->irq, bnx2_msi, 0, dev->name,
4185                                         dev);
4186                 }
4187                 else {
4188                         rc = request_irq(bp->pdev->irq, bnx2_interrupt,
4189                                         SA_SHIRQ, dev->name, dev);
4190                 }
4191         }
4192         else {
4193                 rc = request_irq(bp->pdev->irq, bnx2_interrupt, SA_SHIRQ,
4194                                 dev->name, dev);
4195         }
4196         if (rc) {
4197                 bnx2_free_mem(bp);
4198                 return rc;
4199         }
4200
4201         rc = bnx2_init_nic(bp);
4202
4203         if (rc) {
4204                 free_irq(bp->pdev->irq, dev);
4205                 if (bp->flags & USING_MSI_FLAG) {
4206                         pci_disable_msi(bp->pdev);
4207                         bp->flags &= ~USING_MSI_FLAG;
4208                 }
4209                 bnx2_free_skbs(bp);
4210                 bnx2_free_mem(bp);
4211                 return rc;
4212         }
4213
4214         mod_timer(&bp->timer, jiffies + bp->current_interval);
4215
4216         atomic_set(&bp->intr_sem, 0);
4217
4218         bnx2_enable_int(bp);
4219
4220         if (bp->flags & USING_MSI_FLAG) {
4221                 /* Test MSI to make sure it is working
4222                  * If MSI test fails, go back to INTx mode
4223                  */
4224                 if (bnx2_test_intr(bp) != 0) {
4225                         printk(KERN_WARNING PFX "%s: No interrupt was generated"
4226                                " using MSI, switching to INTx mode. Please"
4227                                " report this failure to the PCI maintainer"
4228                                " and include system chipset information.\n",
4229                                bp->dev->name);
4230
4231                         bnx2_disable_int(bp);
4232                         free_irq(bp->pdev->irq, dev);
4233                         pci_disable_msi(bp->pdev);
4234                         bp->flags &= ~USING_MSI_FLAG;
4235
4236                         rc = bnx2_init_nic(bp);
4237
4238                         if (!rc) {
4239                                 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
4240                                         SA_SHIRQ, dev->name, dev);
4241                         }
4242                         if (rc) {
4243                                 bnx2_free_skbs(bp);
4244                                 bnx2_free_mem(bp);
4245                                 del_timer_sync(&bp->timer);
4246                                 return rc;
4247                         }
4248                         bnx2_enable_int(bp);
4249                 }
4250         }
4251         if (bp->flags & USING_MSI_FLAG) {
4252                 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
4253         }
4254
4255         netif_start_queue(dev);
4256
4257         return 0;
4258 }
4259
4260 static void
4261 bnx2_reset_task(void *data)
4262 {
4263         struct bnx2 *bp = data;
4264
4265         if (!netif_running(bp->dev))
4266                 return;
4267
4268         bp->in_reset_task = 1;
4269         bnx2_netif_stop(bp);
4270
4271         bnx2_init_nic(bp);
4272
4273         atomic_set(&bp->intr_sem, 1);
4274         bnx2_netif_start(bp);
4275         bp->in_reset_task = 0;
4276 }
4277
4278 static void
4279 bnx2_tx_timeout(struct net_device *dev)
4280 {
4281         struct bnx2 *bp = dev->priv;
4282
4283         /* This allows the netif to be shutdown gracefully before resetting */
4284         schedule_work(&bp->reset_task);
4285 }
4286
4287 #ifdef BCM_VLAN
4288 /* Called with rtnl_lock */
4289 static void
4290 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
4291 {
4292         struct bnx2 *bp = dev->priv;
4293
4294         bnx2_netif_stop(bp);
4295
4296         bp->vlgrp = vlgrp;
4297         bnx2_set_rx_mode(dev);
4298
4299         bnx2_netif_start(bp);
4300 }
4301
4302 /* Called with rtnl_lock */
4303 static void
4304 bnx2_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid)
4305 {
4306         struct bnx2 *bp = dev->priv;
4307
4308         bnx2_netif_stop(bp);
4309
4310         if (bp->vlgrp)
4311                 bp->vlgrp->vlan_devices[vid] = NULL;
4312         bnx2_set_rx_mode(dev);
4313
4314         bnx2_netif_start(bp);
4315 }
4316 #endif
4317
4318 /* Called with dev->xmit_lock.
4319  * hard_start_xmit is pseudo-lockless - a lock is only required when
4320  * the tx queue is full. This way, we get the benefit of lockless
4321  * operations most of the time without the complexities to handle
4322  * netif_stop_queue/wake_queue race conditions.
4323  */
4324 static int
4325 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
4326 {
4327         struct bnx2 *bp = dev->priv;
4328         dma_addr_t mapping;
4329         struct tx_bd *txbd;
4330         struct sw_bd *tx_buf;
4331         u32 len, vlan_tag_flags, last_frag, mss;
4332         u16 prod, ring_prod;
4333         int i;
4334
4335         if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
4336                 netif_stop_queue(dev);
4337                 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
4338                         dev->name);
4339
4340                 return NETDEV_TX_BUSY;
4341         }
4342         len = skb_headlen(skb);
4343         prod = bp->tx_prod;
4344         ring_prod = TX_RING_IDX(prod);
4345
4346         vlan_tag_flags = 0;
4347         if (skb->ip_summed == CHECKSUM_HW) {
4348                 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
4349         }
4350
4351         if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
4352                 vlan_tag_flags |=
4353                         (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
4354         }
4355 #ifdef BCM_TSO
4356         if ((mss = skb_shinfo(skb)->tso_size) &&
4357                 (skb->len > (bp->dev->mtu + ETH_HLEN))) {
4358                 u32 tcp_opt_len, ip_tcp_len;
4359
4360                 if (skb_header_cloned(skb) &&
4361                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4362                         dev_kfree_skb(skb);
4363                         return NETDEV_TX_OK;
4364                 }
4365
4366                 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4367                 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
4368
4369                 tcp_opt_len = 0;
4370                 if (skb->h.th->doff > 5) {
4371                         tcp_opt_len = (skb->h.th->doff - 5) << 2;
4372                 }
4373                 ip_tcp_len = (skb->nh.iph->ihl << 2) + sizeof(struct tcphdr);
4374
4375                 skb->nh.iph->check = 0;
4376                 skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len);
4377                 skb->h.th->check =
4378                         ~csum_tcpudp_magic(skb->nh.iph->saddr,
4379                                             skb->nh.iph->daddr,
4380                                             0, IPPROTO_TCP, 0);
4381
4382                 if (tcp_opt_len || (skb->nh.iph->ihl > 5)) {
4383                         vlan_tag_flags |= ((skb->nh.iph->ihl - 5) +
4384                                 (tcp_opt_len >> 2)) << 8;
4385                 }
4386         }
4387         else
4388 #endif
4389         {
4390                 mss = 0;
4391         }
4392
4393         mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4394
4395         tx_buf = &bp->tx_buf_ring[ring_prod];
4396         tx_buf->skb = skb;
4397         pci_unmap_addr_set(tx_buf, mapping, mapping);
4398
4399         txbd = &bp->tx_desc_ring[ring_prod];
4400
4401         txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4402         txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4403         txbd->tx_bd_mss_nbytes = len | (mss << 16);
4404         txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
4405
4406         last_frag = skb_shinfo(skb)->nr_frags;
4407
4408         for (i = 0; i < last_frag; i++) {
4409                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4410
4411                 prod = NEXT_TX_BD(prod);
4412                 ring_prod = TX_RING_IDX(prod);
4413                 txbd = &bp->tx_desc_ring[ring_prod];
4414
4415                 len = frag->size;
4416                 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
4417                         len, PCI_DMA_TODEVICE);
4418                 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
4419                                 mapping, mapping);
4420
4421                 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4422                 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4423                 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4424                 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
4425
4426         }
4427         txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
4428
4429         prod = NEXT_TX_BD(prod);
4430         bp->tx_prod_bseq += skb->len;
4431
4432         REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, prod);
4433         REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
4434
4435         mmiowb();
4436
4437         bp->tx_prod = prod;
4438         dev->trans_start = jiffies;
4439
4440         if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
4441                 spin_lock(&bp->tx_lock);
4442                 netif_stop_queue(dev);
4443
4444                 if (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)
4445                         netif_wake_queue(dev);
4446                 spin_unlock(&bp->tx_lock);
4447         }
4448
4449         return NETDEV_TX_OK;
4450 }
4451
4452 /* Called with rtnl_lock */
4453 static int
4454 bnx2_close(struct net_device *dev)
4455 {
4456         struct bnx2 *bp = dev->priv;
4457         u32 reset_code;
4458
4459         /* Calling flush_scheduled_work() may deadlock because
4460          * linkwatch_event() may be on the workqueue and it will try to get
4461          * the rtnl_lock which we are holding.
4462          */
4463         while (bp->in_reset_task)
4464                 msleep(1);
4465
4466         bnx2_netif_stop(bp);
4467         del_timer_sync(&bp->timer);
4468         if (bp->wol)
4469                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4470         else
4471                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4472         bnx2_reset_chip(bp, reset_code);
4473         free_irq(bp->pdev->irq, dev);
4474         if (bp->flags & USING_MSI_FLAG) {
4475                 pci_disable_msi(bp->pdev);
4476                 bp->flags &= ~USING_MSI_FLAG;
4477         }
4478         bnx2_free_skbs(bp);
4479         bnx2_free_mem(bp);
4480         bp->link_up = 0;
4481         netif_carrier_off(bp->dev);
4482         bnx2_set_power_state(bp, PCI_D3hot);
4483         return 0;
4484 }
4485
4486 #define GET_NET_STATS64(ctr)                                    \
4487         (unsigned long) ((unsigned long) (ctr##_hi) << 32) +    \
4488         (unsigned long) (ctr##_lo)
4489
4490 #define GET_NET_STATS32(ctr)            \
4491         (ctr##_lo)
4492
4493 #if (BITS_PER_LONG == 64)
4494 #define GET_NET_STATS   GET_NET_STATS64
4495 #else
4496 #define GET_NET_STATS   GET_NET_STATS32
4497 #endif
4498
4499 static struct net_device_stats *
4500 bnx2_get_stats(struct net_device *dev)
4501 {
4502         struct bnx2 *bp = dev->priv;
4503         struct statistics_block *stats_blk = bp->stats_blk;
4504         struct net_device_stats *net_stats = &bp->net_stats;
4505
4506         if (bp->stats_blk == NULL) {
4507                 return net_stats;
4508         }
4509         net_stats->rx_packets =
4510                 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
4511                 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
4512                 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
4513
4514         net_stats->tx_packets =
4515                 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
4516                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
4517                 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
4518
4519         net_stats->rx_bytes =
4520                 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
4521
4522         net_stats->tx_bytes =
4523                 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
4524
4525         net_stats->multicast =
4526                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
4527
4528         net_stats->collisions =
4529                 (unsigned long) stats_blk->stat_EtherStatsCollisions;
4530
4531         net_stats->rx_length_errors =
4532                 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
4533                 stats_blk->stat_EtherStatsOverrsizePkts);
4534
4535         net_stats->rx_over_errors =
4536                 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
4537
4538         net_stats->rx_frame_errors =
4539                 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
4540
4541         net_stats->rx_crc_errors =
4542                 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
4543
4544         net_stats->rx_errors = net_stats->rx_length_errors +
4545                 net_stats->rx_over_errors + net_stats->rx_frame_errors +
4546                 net_stats->rx_crc_errors;
4547
4548         net_stats->tx_aborted_errors =
4549                 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
4550                 stats_blk->stat_Dot3StatsLateCollisions);
4551
4552         if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
4553             (CHIP_ID(bp) == CHIP_ID_5708_A0))
4554                 net_stats->tx_carrier_errors = 0;
4555         else {
4556                 net_stats->tx_carrier_errors =
4557                         (unsigned long)
4558                         stats_blk->stat_Dot3StatsCarrierSenseErrors;
4559         }
4560
4561         net_stats->tx_errors =
4562                 (unsigned long)
4563                 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
4564                 +
4565                 net_stats->tx_aborted_errors +
4566                 net_stats->tx_carrier_errors;
4567
4568         return net_stats;
4569 }
4570
4571 /* All ethtool functions called with rtnl_lock */
4572
4573 static int
4574 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4575 {
4576         struct bnx2 *bp = dev->priv;
4577
4578         cmd->supported = SUPPORTED_Autoneg;
4579         if (bp->phy_flags & PHY_SERDES_FLAG) {
4580                 cmd->supported |= SUPPORTED_1000baseT_Full |
4581                         SUPPORTED_FIBRE;
4582
4583                 cmd->port = PORT_FIBRE;
4584         }
4585         else {
4586                 cmd->supported |= SUPPORTED_10baseT_Half |
4587                         SUPPORTED_10baseT_Full |
4588                         SUPPORTED_100baseT_Half |
4589                         SUPPORTED_100baseT_Full |
4590                         SUPPORTED_1000baseT_Full |
4591                         SUPPORTED_TP;
4592
4593                 cmd->port = PORT_TP;
4594         }
4595
4596         cmd->advertising = bp->advertising;
4597
4598         if (bp->autoneg & AUTONEG_SPEED) {
4599                 cmd->autoneg = AUTONEG_ENABLE;
4600         }
4601         else {
4602                 cmd->autoneg = AUTONEG_DISABLE;
4603         }
4604
4605         if (netif_carrier_ok(dev)) {
4606                 cmd->speed = bp->line_speed;
4607                 cmd->duplex = bp->duplex;
4608         }
4609         else {
4610                 cmd->speed = -1;
4611                 cmd->duplex = -1;
4612         }
4613
4614         cmd->transceiver = XCVR_INTERNAL;
4615         cmd->phy_address = bp->phy_addr;
4616
4617         return 0;
4618 }
4619
4620 static int
4621 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
4622 {
4623         struct bnx2 *bp = dev->priv;
4624         u8 autoneg = bp->autoneg;
4625         u8 req_duplex = bp->req_duplex;
4626         u16 req_line_speed = bp->req_line_speed;
4627         u32 advertising = bp->advertising;
4628
4629         if (cmd->autoneg == AUTONEG_ENABLE) {
4630                 autoneg |= AUTONEG_SPEED;
4631
4632                 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
4633
4634                 /* allow advertising 1 speed */
4635                 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
4636                         (cmd->advertising == ADVERTISED_10baseT_Full) ||
4637                         (cmd->advertising == ADVERTISED_100baseT_Half) ||
4638                         (cmd->advertising == ADVERTISED_100baseT_Full)) {
4639
4640                         if (bp->phy_flags & PHY_SERDES_FLAG)
4641                                 return -EINVAL;
4642
4643                         advertising = cmd->advertising;
4644
4645                 }
4646                 else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
4647                         advertising = cmd->advertising;
4648                 }
4649                 else if (cmd->advertising == ADVERTISED_1000baseT_Half) {
4650                         return -EINVAL;
4651                 }
4652                 else {
4653                         if (bp->phy_flags & PHY_SERDES_FLAG) {
4654                                 advertising = ETHTOOL_ALL_FIBRE_SPEED;
4655                         }
4656                         else {
4657                                 advertising = ETHTOOL_ALL_COPPER_SPEED;
4658                         }
4659                 }
4660                 advertising |= ADVERTISED_Autoneg;
4661         }
4662         else {
4663                 if (bp->phy_flags & PHY_SERDES_FLAG) {
4664                         if ((cmd->speed != SPEED_1000) ||
4665                                 (cmd->duplex != DUPLEX_FULL)) {
4666                                 return -EINVAL;
4667                         }
4668                 }
4669                 else if (cmd->speed == SPEED_1000) {
4670                         return -EINVAL;
4671                 }
4672                 autoneg &= ~AUTONEG_SPEED;
4673                 req_line_speed = cmd->speed;
4674                 req_duplex = cmd->duplex;
4675                 advertising = 0;
4676         }
4677
4678         bp->autoneg = autoneg;
4679         bp->advertising = advertising;
4680         bp->req_line_speed = req_line_speed;
4681         bp->req_duplex = req_duplex;
4682
4683         spin_lock_bh(&bp->phy_lock);
4684
4685         bnx2_setup_phy(bp);
4686
4687         spin_unlock_bh(&bp->phy_lock);
4688
4689         return 0;
4690 }
4691
4692 static void
4693 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
4694 {
4695         struct bnx2 *bp = dev->priv;
4696
4697         strcpy(info->driver, DRV_MODULE_NAME);
4698         strcpy(info->version, DRV_MODULE_VERSION);
4699         strcpy(info->bus_info, pci_name(bp->pdev));
4700         info->fw_version[0] = ((bp->fw_ver & 0xff000000) >> 24) + '0';
4701         info->fw_version[2] = ((bp->fw_ver & 0xff0000) >> 16) + '0';
4702         info->fw_version[4] = ((bp->fw_ver & 0xff00) >> 8) + '0';
4703         info->fw_version[6] = (bp->fw_ver & 0xff) + '0';
4704         info->fw_version[1] = info->fw_version[3] = info->fw_version[5] = '.';
4705         info->fw_version[7] = 0;
4706 }
4707
4708 static void
4709 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4710 {
4711         struct bnx2 *bp = dev->priv;
4712
4713         if (bp->flags & NO_WOL_FLAG) {
4714                 wol->supported = 0;
4715                 wol->wolopts = 0;
4716         }
4717         else {
4718                 wol->supported = WAKE_MAGIC;
4719                 if (bp->wol)
4720                         wol->wolopts = WAKE_MAGIC;
4721                 else
4722                         wol->wolopts = 0;
4723         }
4724         memset(&wol->sopass, 0, sizeof(wol->sopass));
4725 }
4726
4727 static int
4728 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
4729 {
4730         struct bnx2 *bp = dev->priv;
4731
4732         if (wol->wolopts & ~WAKE_MAGIC)
4733                 return -EINVAL;
4734
4735         if (wol->wolopts & WAKE_MAGIC) {
4736                 if (bp->flags & NO_WOL_FLAG)
4737                         return -EINVAL;
4738
4739                 bp->wol = 1;
4740         }
4741         else {
4742                 bp->wol = 0;
4743         }
4744         return 0;
4745 }
4746
4747 static int
4748 bnx2_nway_reset(struct net_device *dev)
4749 {
4750         struct bnx2 *bp = dev->priv;
4751         u32 bmcr;
4752
4753         if (!(bp->autoneg & AUTONEG_SPEED)) {
4754                 return -EINVAL;
4755         }
4756
4757         spin_lock_bh(&bp->phy_lock);
4758
4759         /* Force a link down visible on the other side */
4760         if (bp->phy_flags & PHY_SERDES_FLAG) {
4761                 bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
4762                 spin_unlock_bh(&bp->phy_lock);
4763
4764                 msleep(20);
4765
4766                 spin_lock_bh(&bp->phy_lock);
4767                 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
4768                         bp->current_interval = SERDES_AN_TIMEOUT;
4769                         bp->serdes_an_pending = 1;
4770                         mod_timer(&bp->timer, jiffies + bp->current_interval);
4771                 }
4772         }
4773
4774         bnx2_read_phy(bp, MII_BMCR, &bmcr);
4775         bmcr &= ~BMCR_LOOPBACK;
4776         bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
4777
4778         spin_unlock_bh(&bp->phy_lock);
4779
4780         return 0;
4781 }
4782
4783 static int
4784 bnx2_get_eeprom_len(struct net_device *dev)
4785 {
4786         struct bnx2 *bp = dev->priv;
4787
4788         if (bp->flash_info == 0)
4789                 return 0;
4790
4791         return (int) bp->flash_info->total_size;
4792 }
4793
4794 static int
4795 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4796                 u8 *eebuf)
4797 {
4798         struct bnx2 *bp = dev->priv;
4799         int rc;
4800
4801         if (eeprom->offset > bp->flash_info->total_size)
4802                 return -EINVAL;
4803
4804         if ((eeprom->offset + eeprom->len) > bp->flash_info->total_size)
4805                 eeprom->len = bp->flash_info->total_size - eeprom->offset;
4806
4807         rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
4808
4809         return rc;
4810 }
4811
4812 static int
4813 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
4814                 u8 *eebuf)
4815 {
4816         struct bnx2 *bp = dev->priv;
4817         int rc;
4818
4819         if (eeprom->offset > bp->flash_info->total_size)
4820                 return -EINVAL;
4821
4822         if ((eeprom->offset + eeprom->len) > bp->flash_info->total_size)
4823                 eeprom->len = bp->flash_info->total_size - eeprom->offset;
4824
4825         rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
4826
4827         return rc;
4828 }
4829
4830 static int
4831 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4832 {
4833         struct bnx2 *bp = dev->priv;
4834
4835         memset(coal, 0, sizeof(struct ethtool_coalesce));
4836
4837         coal->rx_coalesce_usecs = bp->rx_ticks;
4838         coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
4839         coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
4840         coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
4841
4842         coal->tx_coalesce_usecs = bp->tx_ticks;
4843         coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
4844         coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
4845         coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
4846
4847         coal->stats_block_coalesce_usecs = bp->stats_ticks;
4848
4849         return 0;
4850 }
4851
4852 static int
4853 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
4854 {
4855         struct bnx2 *bp = dev->priv;
4856
4857         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
4858         if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
4859
4860         bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
4861         if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
4862
4863         bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
4864         if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
4865
4866         bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
4867         if (bp->rx_quick_cons_trip_int > 0xff)
4868                 bp->rx_quick_cons_trip_int = 0xff;
4869
4870         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
4871         if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
4872
4873         bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
4874         if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
4875
4876         bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
4877         if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
4878
4879         bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
4880         if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
4881                 0xff;
4882
4883         bp->stats_ticks = coal->stats_block_coalesce_usecs;
4884         if (bp->stats_ticks > 0xffff00) bp->stats_ticks = 0xffff00;
4885         bp->stats_ticks &= 0xffff00;
4886
4887         if (netif_running(bp->dev)) {
4888                 bnx2_netif_stop(bp);
4889                 bnx2_init_nic(bp);
4890                 bnx2_netif_start(bp);
4891         }
4892
4893         return 0;
4894 }
4895
4896 static void
4897 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4898 {
4899         struct bnx2 *bp = dev->priv;
4900
4901         ering->rx_max_pending = MAX_RX_DESC_CNT;
4902         ering->rx_mini_max_pending = 0;
4903         ering->rx_jumbo_max_pending = 0;
4904
4905         ering->rx_pending = bp->rx_ring_size;
4906         ering->rx_mini_pending = 0;
4907         ering->rx_jumbo_pending = 0;
4908
4909         ering->tx_max_pending = MAX_TX_DESC_CNT;
4910         ering->tx_pending = bp->tx_ring_size;
4911 }
4912
4913 static int
4914 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
4915 {
4916         struct bnx2 *bp = dev->priv;
4917
4918         if ((ering->rx_pending > MAX_RX_DESC_CNT) ||
4919                 (ering->tx_pending > MAX_TX_DESC_CNT) ||
4920                 (ering->tx_pending <= MAX_SKB_FRAGS)) {
4921
4922                 return -EINVAL;
4923         }
4924         bp->rx_ring_size = ering->rx_pending;
4925         bp->tx_ring_size = ering->tx_pending;
4926
4927         if (netif_running(bp->dev)) {
4928                 bnx2_netif_stop(bp);
4929                 bnx2_init_nic(bp);
4930                 bnx2_netif_start(bp);
4931         }
4932
4933         return 0;
4934 }
4935
4936 static void
4937 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4938 {
4939         struct bnx2 *bp = dev->priv;
4940
4941         epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
4942         epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
4943         epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
4944 }
4945
4946 static int
4947 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
4948 {
4949         struct bnx2 *bp = dev->priv;
4950
4951         bp->req_flow_ctrl = 0;
4952         if (epause->rx_pause)
4953                 bp->req_flow_ctrl |= FLOW_CTRL_RX;
4954         if (epause->tx_pause)
4955                 bp->req_flow_ctrl |= FLOW_CTRL_TX;
4956
4957         if (epause->autoneg) {
4958                 bp->autoneg |= AUTONEG_FLOW_CTRL;
4959         }
4960         else {
4961                 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
4962         }
4963
4964         spin_lock_bh(&bp->phy_lock);
4965
4966         bnx2_setup_phy(bp);
4967
4968         spin_unlock_bh(&bp->phy_lock);
4969
4970         return 0;
4971 }
4972
4973 static u32
4974 bnx2_get_rx_csum(struct net_device *dev)
4975 {
4976         struct bnx2 *bp = dev->priv;
4977
4978         return bp->rx_csum;
4979 }
4980
4981 static int
4982 bnx2_set_rx_csum(struct net_device *dev, u32 data)
4983 {
4984         struct bnx2 *bp = dev->priv;
4985
4986         bp->rx_csum = data;
4987         return 0;
4988 }
4989
4990 #define BNX2_NUM_STATS 45
4991
4992 static struct {
4993         char string[ETH_GSTRING_LEN];
4994 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
4995         { "rx_bytes" },
4996         { "rx_error_bytes" },
4997         { "tx_bytes" },
4998         { "tx_error_bytes" },
4999         { "rx_ucast_packets" },
5000         { "rx_mcast_packets" },
5001         { "rx_bcast_packets" },
5002         { "tx_ucast_packets" },
5003         { "tx_mcast_packets" },
5004         { "tx_bcast_packets" },
5005         { "tx_mac_errors" },
5006         { "tx_carrier_errors" },
5007         { "rx_crc_errors" },
5008         { "rx_align_errors" },
5009         { "tx_single_collisions" },
5010         { "tx_multi_collisions" },
5011         { "tx_deferred" },
5012         { "tx_excess_collisions" },
5013         { "tx_late_collisions" },
5014         { "tx_total_collisions" },
5015         { "rx_fragments" },
5016         { "rx_jabbers" },
5017         { "rx_undersize_packets" },
5018         { "rx_oversize_packets" },
5019         { "rx_64_byte_packets" },
5020         { "rx_65_to_127_byte_packets" },
5021         { "rx_128_to_255_byte_packets" },
5022         { "rx_256_to_511_byte_packets" },
5023         { "rx_512_to_1023_byte_packets" },
5024         { "rx_1024_to_1522_byte_packets" },
5025         { "rx_1523_to_9022_byte_packets" },
5026         { "tx_64_byte_packets" },
5027         { "tx_65_to_127_byte_packets" },
5028         { "tx_128_to_255_byte_packets" },
5029         { "tx_256_to_511_byte_packets" },
5030         { "tx_512_to_1023_byte_packets" },
5031         { "tx_1024_to_1522_byte_packets" },
5032         { "tx_1523_to_9022_byte_packets" },
5033         { "rx_xon_frames" },
5034         { "rx_xoff_frames" },
5035         { "tx_xon_frames" },
5036         { "tx_xoff_frames" },
5037         { "rx_mac_ctrl_frames" },
5038         { "rx_filtered_packets" },
5039         { "rx_discards" },
5040 };
5041
5042 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
5043
5044 static unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
5045     STATS_OFFSET32(stat_IfHCInOctets_hi),
5046     STATS_OFFSET32(stat_IfHCInBadOctets_hi),
5047     STATS_OFFSET32(stat_IfHCOutOctets_hi),
5048     STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
5049     STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
5050     STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
5051     STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
5052     STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
5053     STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
5054     STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
5055     STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
5056     STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
5057     STATS_OFFSET32(stat_Dot3StatsFCSErrors),
5058     STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
5059     STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
5060     STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
5061     STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
5062     STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
5063     STATS_OFFSET32(stat_Dot3StatsLateCollisions),
5064     STATS_OFFSET32(stat_EtherStatsCollisions),
5065     STATS_OFFSET32(stat_EtherStatsFragments),
5066     STATS_OFFSET32(stat_EtherStatsJabbers),
5067     STATS_OFFSET32(stat_EtherStatsUndersizePkts),
5068     STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
5069     STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
5070     STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
5071     STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
5072     STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
5073     STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
5074     STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
5075     STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
5076     STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
5077     STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
5078     STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
5079     STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
5080     STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
5081     STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
5082     STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
5083     STATS_OFFSET32(stat_XonPauseFramesReceived),
5084     STATS_OFFSET32(stat_XoffPauseFramesReceived),
5085     STATS_OFFSET32(stat_OutXonSent),
5086     STATS_OFFSET32(stat_OutXoffSent),
5087     STATS_OFFSET32(stat_MacControlFramesReceived),
5088     STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
5089     STATS_OFFSET32(stat_IfInMBUFDiscards),
5090 };
5091
5092 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
5093  * skipped because of errata.
5094  */
5095 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
5096         8,0,8,8,8,8,8,8,8,8,
5097         4,0,4,4,4,4,4,4,4,4,
5098         4,4,4,4,4,4,4,4,4,4,
5099         4,4,4,4,4,4,4,4,4,4,
5100         4,4,4,4,4,
5101 };
5102
5103 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
5104         8,0,8,8,8,8,8,8,8,8,
5105         4,4,4,4,4,4,4,4,4,4,
5106         4,4,4,4,4,4,4,4,4,4,
5107         4,4,4,4,4,4,4,4,4,4,
5108         4,4,4,4,4,
5109 };
5110
5111 #define BNX2_NUM_TESTS 6
5112
5113 static struct {
5114         char string[ETH_GSTRING_LEN];
5115 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
5116         { "register_test (offline)" },
5117         { "memory_test (offline)" },
5118         { "loopback_test (offline)" },
5119         { "nvram_test (online)" },
5120         { "interrupt_test (online)" },
5121         { "link_test (online)" },
5122 };
5123
5124 static int
5125 bnx2_self_test_count(struct net_device *dev)
5126 {
5127         return BNX2_NUM_TESTS;
5128 }
5129
5130 static void
5131 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
5132 {
5133         struct bnx2 *bp = dev->priv;
5134
5135         memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
5136         if (etest->flags & ETH_TEST_FL_OFFLINE) {
5137                 bnx2_netif_stop(bp);
5138                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
5139                 bnx2_free_skbs(bp);
5140
5141                 if (bnx2_test_registers(bp) != 0) {
5142                         buf[0] = 1;
5143                         etest->flags |= ETH_TEST_FL_FAILED;
5144                 }
5145                 if (bnx2_test_memory(bp) != 0) {
5146                         buf[1] = 1;
5147                         etest->flags |= ETH_TEST_FL_FAILED;
5148                 }
5149                 if (bnx2_test_loopback(bp) != 0) {
5150                         buf[2] = 1;
5151                         etest->flags |= ETH_TEST_FL_FAILED;
5152                 }
5153
5154                 if (!netif_running(bp->dev)) {
5155                         bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
5156                 }
5157                 else {
5158                         bnx2_init_nic(bp);
5159                         bnx2_netif_start(bp);
5160                 }
5161
5162                 /* wait for link up */
5163                 msleep_interruptible(3000);
5164                 if ((!bp->link_up) && !(bp->phy_flags & PHY_SERDES_FLAG))
5165                         msleep_interruptible(4000);
5166         }
5167
5168         if (bnx2_test_nvram(bp) != 0) {
5169                 buf[3] = 1;
5170                 etest->flags |= ETH_TEST_FL_FAILED;
5171         }
5172         if (bnx2_test_intr(bp) != 0) {
5173                 buf[4] = 1;
5174                 etest->flags |= ETH_TEST_FL_FAILED;
5175         }
5176
5177         if (bnx2_test_link(bp) != 0) {
5178                 buf[5] = 1;
5179                 etest->flags |= ETH_TEST_FL_FAILED;
5180
5181         }
5182 }
5183
5184 static void
5185 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
5186 {
5187         switch (stringset) {
5188         case ETH_SS_STATS:
5189                 memcpy(buf, bnx2_stats_str_arr,
5190                         sizeof(bnx2_stats_str_arr));
5191                 break;
5192         case ETH_SS_TEST:
5193                 memcpy(buf, bnx2_tests_str_arr,
5194                         sizeof(bnx2_tests_str_arr));
5195                 break;
5196         }
5197 }
5198
5199 static int
5200 bnx2_get_stats_count(struct net_device *dev)
5201 {
5202         return BNX2_NUM_STATS;
5203 }
5204
5205 static void
5206 bnx2_get_ethtool_stats(struct net_device *dev,
5207                 struct ethtool_stats *stats, u64 *buf)
5208 {
5209         struct bnx2 *bp = dev->priv;
5210         int i;
5211         u32 *hw_stats = (u32 *) bp->stats_blk;
5212         u8 *stats_len_arr = NULL;
5213
5214         if (hw_stats == NULL) {
5215                 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
5216                 return;
5217         }
5218
5219         if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
5220             (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
5221             (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
5222             (CHIP_ID(bp) == CHIP_ID_5708_A0))
5223                 stats_len_arr = bnx2_5706_stats_len_arr;
5224         else
5225                 stats_len_arr = bnx2_5708_stats_len_arr;
5226
5227         for (i = 0; i < BNX2_NUM_STATS; i++) {
5228                 if (stats_len_arr[i] == 0) {
5229                         /* skip this counter */
5230                         buf[i] = 0;
5231                         continue;
5232                 }
5233                 if (stats_len_arr[i] == 4) {
5234                         /* 4-byte counter */
5235                         buf[i] = (u64)
5236                                 *(hw_stats + bnx2_stats_offset_arr[i]);
5237                         continue;
5238                 }
5239                 /* 8-byte counter */
5240                 buf[i] = (((u64) *(hw_stats +
5241                                         bnx2_stats_offset_arr[i])) << 32) +
5242                                 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
5243         }
5244 }
5245
5246 static int
5247 bnx2_phys_id(struct net_device *dev, u32 data)
5248 {
5249         struct bnx2 *bp = dev->priv;
5250         int i;
5251         u32 save;
5252
5253         if (data == 0)
5254                 data = 2;
5255
5256         save = REG_RD(bp, BNX2_MISC_CFG);
5257         REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
5258
5259         for (i = 0; i < (data * 2); i++) {
5260                 if ((i % 2) == 0) {
5261                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
5262                 }
5263                 else {
5264                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
5265                                 BNX2_EMAC_LED_1000MB_OVERRIDE |
5266                                 BNX2_EMAC_LED_100MB_OVERRIDE |
5267                                 BNX2_EMAC_LED_10MB_OVERRIDE |
5268                                 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
5269                                 BNX2_EMAC_LED_TRAFFIC);
5270                 }
5271                 msleep_interruptible(500);
5272                 if (signal_pending(current))
5273                         break;
5274         }
5275         REG_WR(bp, BNX2_EMAC_LED, 0);
5276         REG_WR(bp, BNX2_MISC_CFG, save);
5277         return 0;
5278 }
5279
5280 static struct ethtool_ops bnx2_ethtool_ops = {
5281         .get_settings           = bnx2_get_settings,
5282         .set_settings           = bnx2_set_settings,
5283         .get_drvinfo            = bnx2_get_drvinfo,
5284         .get_wol                = bnx2_get_wol,
5285         .set_wol                = bnx2_set_wol,
5286         .nway_reset             = bnx2_nway_reset,
5287         .get_link               = ethtool_op_get_link,
5288         .get_eeprom_len         = bnx2_get_eeprom_len,
5289         .get_eeprom             = bnx2_get_eeprom,
5290         .set_eeprom             = bnx2_set_eeprom,
5291         .get_coalesce           = bnx2_get_coalesce,
5292         .set_coalesce           = bnx2_set_coalesce,
5293         .get_ringparam          = bnx2_get_ringparam,
5294         .set_ringparam          = bnx2_set_ringparam,
5295         .get_pauseparam         = bnx2_get_pauseparam,
5296         .set_pauseparam         = bnx2_set_pauseparam,
5297         .get_rx_csum            = bnx2_get_rx_csum,
5298         .set_rx_csum            = bnx2_set_rx_csum,
5299         .get_tx_csum            = ethtool_op_get_tx_csum,
5300         .set_tx_csum            = ethtool_op_set_tx_csum,
5301         .get_sg                 = ethtool_op_get_sg,
5302         .set_sg                 = ethtool_op_set_sg,
5303 #ifdef BCM_TSO
5304         .get_tso                = ethtool_op_get_tso,
5305         .set_tso                = ethtool_op_set_tso,
5306 #endif
5307         .self_test_count        = bnx2_self_test_count,
5308         .self_test              = bnx2_self_test,
5309         .get_strings            = bnx2_get_strings,
5310         .phys_id                = bnx2_phys_id,
5311         .get_stats_count        = bnx2_get_stats_count,
5312         .get_ethtool_stats      = bnx2_get_ethtool_stats,
5313         .get_perm_addr          = ethtool_op_get_perm_addr,
5314 };
5315
5316 /* Called with rtnl_lock */
5317 static int
5318 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
5319 {
5320         struct mii_ioctl_data *data = if_mii(ifr);
5321         struct bnx2 *bp = dev->priv;
5322         int err;
5323
5324         switch(cmd) {
5325         case SIOCGMIIPHY:
5326                 data->phy_id = bp->phy_addr;
5327
5328                 /* fallthru */
5329         case SIOCGMIIREG: {
5330                 u32 mii_regval;
5331
5332                 spin_lock_bh(&bp->phy_lock);
5333                 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
5334                 spin_unlock_bh(&bp->phy_lock);
5335
5336                 data->val_out = mii_regval;
5337
5338                 return err;
5339         }
5340
5341         case SIOCSMIIREG:
5342                 if (!capable(CAP_NET_ADMIN))
5343                         return -EPERM;
5344
5345                 spin_lock_bh(&bp->phy_lock);
5346                 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
5347                 spin_unlock_bh(&bp->phy_lock);
5348
5349                 return err;
5350
5351         default:
5352                 /* do nothing */
5353                 break;
5354         }
5355         return -EOPNOTSUPP;
5356 }
5357
5358 /* Called with rtnl_lock */
5359 static int
5360 bnx2_change_mac_addr(struct net_device *dev, void *p)
5361 {
5362         struct sockaddr *addr = p;
5363         struct bnx2 *bp = dev->priv;
5364
5365         if (!is_valid_ether_addr(addr->sa_data))
5366                 return -EINVAL;
5367
5368         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5369         if (netif_running(dev))
5370                 bnx2_set_mac_addr(bp);
5371
5372         return 0;
5373 }
5374
5375 /* Called with rtnl_lock */
5376 static int
5377 bnx2_change_mtu(struct net_device *dev, int new_mtu)
5378 {
5379         struct bnx2 *bp = dev->priv;
5380
5381         if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
5382                 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
5383                 return -EINVAL;
5384
5385         dev->mtu = new_mtu;
5386         if (netif_running(dev)) {
5387                 bnx2_netif_stop(bp);
5388
5389                 bnx2_init_nic(bp);
5390
5391                 bnx2_netif_start(bp);
5392         }
5393         return 0;
5394 }
5395
5396 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5397 static void
5398 poll_bnx2(struct net_device *dev)
5399 {
5400         struct bnx2 *bp = dev->priv;
5401
5402         disable_irq(bp->pdev->irq);
5403         bnx2_interrupt(bp->pdev->irq, dev, NULL);
5404         enable_irq(bp->pdev->irq);
5405 }
5406 #endif
5407
5408 static int __devinit
5409 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
5410 {
5411         struct bnx2 *bp;
5412         unsigned long mem_len;
5413         int rc;
5414         u32 reg;
5415
5416         SET_MODULE_OWNER(dev);
5417         SET_NETDEV_DEV(dev, &pdev->dev);
5418         bp = dev->priv;
5419
5420         bp->flags = 0;
5421         bp->phy_flags = 0;
5422
5423         /* enable device (incl. PCI PM wakeup), and bus-mastering */
5424         rc = pci_enable_device(pdev);
5425         if (rc) {
5426                 printk(KERN_ERR PFX "Cannot enable PCI device, aborting.");
5427                 goto err_out;
5428         }
5429
5430         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
5431                 printk(KERN_ERR PFX "Cannot find PCI device base address, "
5432                        "aborting.\n");
5433                 rc = -ENODEV;
5434                 goto err_out_disable;
5435         }
5436
5437         rc = pci_request_regions(pdev, DRV_MODULE_NAME);
5438         if (rc) {
5439                 printk(KERN_ERR PFX "Cannot obtain PCI resources, aborting.\n");
5440                 goto err_out_disable;
5441         }
5442
5443         pci_set_master(pdev);
5444
5445         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
5446         if (bp->pm_cap == 0) {
5447                 printk(KERN_ERR PFX "Cannot find power management capability, "
5448                                "aborting.\n");
5449                 rc = -EIO;
5450                 goto err_out_release;
5451         }
5452
5453         bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
5454         if (bp->pcix_cap == 0) {
5455                 printk(KERN_ERR PFX "Cannot find PCIX capability, aborting.\n");
5456                 rc = -EIO;
5457                 goto err_out_release;
5458         }
5459
5460         if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
5461                 bp->flags |= USING_DAC_FLAG;
5462                 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
5463                         printk(KERN_ERR PFX "pci_set_consistent_dma_mask "
5464                                "failed, aborting.\n");
5465                         rc = -EIO;
5466                         goto err_out_release;
5467                 }
5468         }
5469         else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
5470                 printk(KERN_ERR PFX "System does not support DMA, aborting.\n");
5471                 rc = -EIO;
5472                 goto err_out_release;
5473         }
5474
5475         bp->dev = dev;
5476         bp->pdev = pdev;
5477
5478         spin_lock_init(&bp->phy_lock);
5479         spin_lock_init(&bp->tx_lock);
5480         INIT_WORK(&bp->reset_task, bnx2_reset_task, bp);
5481
5482         dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
5483         mem_len = MB_GET_CID_ADDR(17);
5484         dev->mem_end = dev->mem_start + mem_len;
5485         dev->irq = pdev->irq;
5486
5487         bp->regview = ioremap_nocache(dev->base_addr, mem_len);
5488
5489         if (!bp->regview) {
5490                 printk(KERN_ERR PFX "Cannot map register space, aborting.\n");
5491                 rc = -ENOMEM;
5492                 goto err_out_release;
5493         }
5494
5495         /* Configure byte swap and enable write to the reg_window registers.
5496          * Rely on CPU to do target byte swapping on big endian systems
5497          * The chip's target access swapping will not swap all accesses
5498          */
5499         pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
5500                                BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
5501                                BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
5502
5503         bnx2_set_power_state(bp, PCI_D0);
5504
5505         bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
5506
5507         /* Get bus information. */
5508         reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
5509         if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
5510                 u32 clkreg;
5511
5512                 bp->flags |= PCIX_FLAG;
5513
5514                 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
5515
5516                 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
5517                 switch (clkreg) {
5518                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
5519                         bp->bus_speed_mhz = 133;
5520                         break;
5521
5522                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
5523                         bp->bus_speed_mhz = 100;
5524                         break;
5525
5526                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
5527                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
5528                         bp->bus_speed_mhz = 66;
5529                         break;
5530
5531                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
5532                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
5533                         bp->bus_speed_mhz = 50;
5534                         break;
5535
5536                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
5537                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
5538                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
5539                         bp->bus_speed_mhz = 33;
5540                         break;
5541                 }
5542         }
5543         else {
5544                 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
5545                         bp->bus_speed_mhz = 66;
5546                 else
5547                         bp->bus_speed_mhz = 33;
5548         }
5549
5550         if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
5551                 bp->flags |= PCI_32BIT_FLAG;
5552
5553         /* 5706A0 may falsely detect SERR and PERR. */
5554         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5555                 reg = REG_RD(bp, PCI_COMMAND);
5556                 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
5557                 REG_WR(bp, PCI_COMMAND, reg);
5558         }
5559         else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
5560                 !(bp->flags & PCIX_FLAG)) {
5561
5562                 printk(KERN_ERR PFX "5706 A1 can only be used in a PCIX bus, "
5563                        "aborting.\n");
5564                 goto err_out_unmap;
5565         }
5566
5567         bnx2_init_nvram(bp);
5568
5569         reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);
5570
5571         if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
5572             BNX2_SHM_HDR_SIGNATURE_SIG)
5573                 bp->shmem_base = REG_RD_IND(bp, BNX2_SHM_HDR_ADDR_0);
5574         else
5575                 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
5576
5577         /* Get the permanent MAC address.  First we need to make sure the
5578          * firmware is actually running.
5579          */
5580         reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
5581
5582         if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
5583             BNX2_DEV_INFO_SIGNATURE_MAGIC) {
5584                 printk(KERN_ERR PFX "Firmware not running, aborting.\n");
5585                 rc = -ENODEV;
5586                 goto err_out_unmap;
5587         }
5588
5589         bp->fw_ver = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
5590
5591         reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
5592         bp->mac_addr[0] = (u8) (reg >> 8);
5593         bp->mac_addr[1] = (u8) reg;
5594
5595         reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
5596         bp->mac_addr[2] = (u8) (reg >> 24);
5597         bp->mac_addr[3] = (u8) (reg >> 16);
5598         bp->mac_addr[4] = (u8) (reg >> 8);
5599         bp->mac_addr[5] = (u8) reg;
5600
5601         bp->tx_ring_size = MAX_TX_DESC_CNT;
5602         bp->rx_ring_size = 100;
5603
5604         bp->rx_csum = 1;
5605
5606         bp->rx_offset = sizeof(struct l2_fhdr) + 2;
5607
5608         bp->tx_quick_cons_trip_int = 20;
5609         bp->tx_quick_cons_trip = 20;
5610         bp->tx_ticks_int = 80;
5611         bp->tx_ticks = 80;
5612
5613         bp->rx_quick_cons_trip_int = 6;
5614         bp->rx_quick_cons_trip = 6;
5615         bp->rx_ticks_int = 18;
5616         bp->rx_ticks = 18;
5617
5618         bp->stats_ticks = 1000000 & 0xffff00;
5619
5620         bp->timer_interval =  HZ;
5621         bp->current_interval =  HZ;
5622
5623         bp->phy_addr = 1;
5624
5625         /* Disable WOL support if we are running on a SERDES chip. */
5626         if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) {
5627                 bp->phy_flags |= PHY_SERDES_FLAG;
5628                 bp->flags |= NO_WOL_FLAG;
5629                 if (CHIP_NUM(bp) == CHIP_NUM_5708) {
5630                         bp->phy_addr = 2;
5631                         reg = REG_RD_IND(bp, bp->shmem_base +
5632                                          BNX2_SHARED_HW_CFG_CONFIG);
5633                         if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
5634                                 bp->phy_flags |= PHY_2_5G_CAPABLE_FLAG;
5635                 }
5636         }
5637
5638         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
5639                 bp->tx_quick_cons_trip_int =
5640                         bp->tx_quick_cons_trip;
5641                 bp->tx_ticks_int = bp->tx_ticks;
5642                 bp->rx_quick_cons_trip_int =
5643                         bp->rx_quick_cons_trip;
5644                 bp->rx_ticks_int = bp->rx_ticks;
5645                 bp->comp_prod_trip_int = bp->comp_prod_trip;
5646                 bp->com_ticks_int = bp->com_ticks;
5647                 bp->cmd_ticks_int = bp->cmd_ticks;
5648         }
5649
5650         bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
5651         bp->req_line_speed = 0;
5652         if (bp->phy_flags & PHY_SERDES_FLAG) {
5653                 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
5654
5655                 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG);
5656                 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
5657                 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
5658                         bp->autoneg = 0;
5659                         bp->req_line_speed = bp->line_speed = SPEED_1000;
5660                         bp->req_duplex = DUPLEX_FULL;
5661                 }
5662         }
5663         else {
5664                 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
5665         }
5666
5667         bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
5668
5669         init_timer(&bp->timer);
5670         bp->timer.expires = RUN_AT(bp->timer_interval);
5671         bp->timer.data = (unsigned long) bp;
5672         bp->timer.function = bnx2_timer;
5673
5674         return 0;
5675
5676 err_out_unmap:
5677         if (bp->regview) {
5678                 iounmap(bp->regview);
5679                 bp->regview = NULL;
5680         }
5681
5682 err_out_release:
5683         pci_release_regions(pdev);
5684
5685 err_out_disable:
5686         pci_disable_device(pdev);
5687         pci_set_drvdata(pdev, NULL);
5688
5689 err_out:
5690         return rc;
5691 }
5692
5693 static int __devinit
5694 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
5695 {
5696         static int version_printed = 0;
5697         struct net_device *dev = NULL;
5698         struct bnx2 *bp;
5699         int rc, i;
5700
5701         if (version_printed++ == 0)
5702                 printk(KERN_INFO "%s", version);
5703
5704         /* dev zeroed in init_etherdev */
5705         dev = alloc_etherdev(sizeof(*bp));
5706
5707         if (!dev)
5708                 return -ENOMEM;
5709
5710         rc = bnx2_init_board(pdev, dev);
5711         if (rc < 0) {
5712                 free_netdev(dev);
5713                 return rc;
5714         }
5715
5716         dev->open = bnx2_open;
5717         dev->hard_start_xmit = bnx2_start_xmit;
5718         dev->stop = bnx2_close;
5719         dev->get_stats = bnx2_get_stats;
5720         dev->set_multicast_list = bnx2_set_rx_mode;
5721         dev->do_ioctl = bnx2_ioctl;
5722         dev->set_mac_address = bnx2_change_mac_addr;
5723         dev->change_mtu = bnx2_change_mtu;
5724         dev->tx_timeout = bnx2_tx_timeout;
5725         dev->watchdog_timeo = TX_TIMEOUT;
5726 #ifdef BCM_VLAN
5727         dev->vlan_rx_register = bnx2_vlan_rx_register;
5728         dev->vlan_rx_kill_vid = bnx2_vlan_rx_kill_vid;
5729 #endif
5730         dev->poll = bnx2_poll;
5731         dev->ethtool_ops = &bnx2_ethtool_ops;
5732         dev->weight = 64;
5733
5734         bp = dev->priv;
5735
5736 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5737         dev->poll_controller = poll_bnx2;
5738 #endif
5739
5740         if ((rc = register_netdev(dev))) {
5741                 printk(KERN_ERR PFX "Cannot register net device\n");
5742                 if (bp->regview)
5743                         iounmap(bp->regview);
5744                 pci_release_regions(pdev);
5745                 pci_disable_device(pdev);
5746                 pci_set_drvdata(pdev, NULL);
5747                 free_netdev(dev);
5748                 return rc;
5749         }
5750
5751         pci_set_drvdata(pdev, dev);
5752
5753         memcpy(dev->dev_addr, bp->mac_addr, 6);
5754         memcpy(dev->perm_addr, bp->mac_addr, 6);
5755         bp->name = board_info[ent->driver_data].name,
5756         printk(KERN_INFO "%s: %s (%c%d) PCI%s %s %dMHz found at mem %lx, "
5757                 "IRQ %d, ",
5758                 dev->name,
5759                 bp->name,
5760                 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
5761                 ((CHIP_ID(bp) & 0x0ff0) >> 4),
5762                 ((bp->flags & PCIX_FLAG) ? "-X" : ""),
5763                 ((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"),
5764                 bp->bus_speed_mhz,
5765                 dev->base_addr,
5766                 bp->pdev->irq);
5767
5768         printk("node addr ");
5769         for (i = 0; i < 6; i++)
5770                 printk("%2.2x", dev->dev_addr[i]);
5771         printk("\n");
5772
5773         dev->features |= NETIF_F_SG;
5774         if (bp->flags & USING_DAC_FLAG)
5775                 dev->features |= NETIF_F_HIGHDMA;
5776         dev->features |= NETIF_F_IP_CSUM;
5777 #ifdef BCM_VLAN
5778         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
5779 #endif
5780 #ifdef BCM_TSO
5781         dev->features |= NETIF_F_TSO;
5782 #endif
5783
5784         netif_carrier_off(bp->dev);
5785
5786         return 0;
5787 }
5788
5789 static void __devexit
5790 bnx2_remove_one(struct pci_dev *pdev)
5791 {
5792         struct net_device *dev = pci_get_drvdata(pdev);
5793         struct bnx2 *bp = dev->priv;
5794
5795         flush_scheduled_work();
5796
5797         unregister_netdev(dev);
5798
5799         if (bp->regview)
5800                 iounmap(bp->regview);
5801
5802         free_netdev(dev);
5803         pci_release_regions(pdev);
5804         pci_disable_device(pdev);
5805         pci_set_drvdata(pdev, NULL);
5806 }
5807
5808 static int
5809 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
5810 {
5811         struct net_device *dev = pci_get_drvdata(pdev);
5812         struct bnx2 *bp = dev->priv;
5813         u32 reset_code;
5814
5815         if (!netif_running(dev))
5816                 return 0;
5817
5818         bnx2_netif_stop(bp);
5819         netif_device_detach(dev);
5820         del_timer_sync(&bp->timer);
5821         if (bp->wol)
5822                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5823         else
5824                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5825         bnx2_reset_chip(bp, reset_code);
5826         bnx2_free_skbs(bp);
5827         bnx2_set_power_state(bp, pci_choose_state(pdev, state));
5828         return 0;
5829 }
5830
5831 static int
5832 bnx2_resume(struct pci_dev *pdev)
5833 {
5834         struct net_device *dev = pci_get_drvdata(pdev);
5835         struct bnx2 *bp = dev->priv;
5836
5837         if (!netif_running(dev))
5838                 return 0;
5839
5840         bnx2_set_power_state(bp, PCI_D0);
5841         netif_device_attach(dev);
5842         bnx2_init_nic(bp);
5843         bnx2_netif_start(bp);
5844         return 0;
5845 }
5846
5847 static struct pci_driver bnx2_pci_driver = {
5848         .name           = DRV_MODULE_NAME,
5849         .id_table       = bnx2_pci_tbl,
5850         .probe          = bnx2_init_one,
5851         .remove         = __devexit_p(bnx2_remove_one),
5852         .suspend        = bnx2_suspend,
5853         .resume         = bnx2_resume,
5854 };
5855
5856 static int __init bnx2_init(void)
5857 {
5858         return pci_module_init(&bnx2_pci_driver);
5859 }
5860
5861 static void __exit bnx2_cleanup(void)
5862 {
5863         pci_unregister_driver(&bnx2_pci_driver);
5864 }
5865
5866 module_init(bnx2_init);
5867 module_exit(bnx2_cleanup);
5868
5869
5870