drivers/net/bnx2.c

   1 /* bnx2.c: Broadcom NX2 network driver.
   2  *
   3  * Copyright (c) 2004-2007 Broadcom Corporation
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation.
   8  *
   9  * Written by: Michael Chan  (mchan@broadcom.com)
  10  */
  11
  12
  13 #include <linux/module.h>
  14 #include <linux/moduleparam.h>
  15
  16 #include <linux/kernel.h>
  17 #include <linux/timer.h>
  18 #include <linux/errno.h>
  19 #include <linux/ioport.h>
  20 #include <linux/slab.h>
  21 #include <linux/vmalloc.h>
  22 #include <linux/interrupt.h>
  23 #include <linux/pci.h>
  24 #include <linux/init.h>
  25 #include <linux/netdevice.h>
  26 #include <linux/etherdevice.h>
  27 #include <linux/skbuff.h>
  28 #include <linux/dma-mapping.h>
  29 #include <asm/bitops.h>
  30 #include <asm/io.h>
  31 #include <asm/irq.h>
  32 #include <linux/delay.h>
  33 #include <asm/byteorder.h>
  34 #include <asm/page.h>
  35 #include <linux/time.h>
  36 #include <linux/ethtool.h>
  37 #include <linux/mii.h>
  38 #ifdef NETIF_F_HW_VLAN_TX
  39 #include <linux/if_vlan.h>
  40 #define BCM_VLAN 1
  41 #endif
  42 #include <net/ip.h>
  43 #include <net/tcp.h>
  44 #include <net/checksum.h>
  45 #include <linux/workqueue.h>
  46 #include <linux/crc32.h>
  47 #include <linux/prefetch.h>
  48 #include <linux/cache.h>
  49 #include <linux/zlib.h>
  50
  51 #include "bnx2.h"
  52 #include "bnx2_fw.h"
  53 #include "bnx2_fw2.h"
  54
  55 #define DRV_MODULE_NAME         "bnx2"
  56 #define PFX DRV_MODULE_NAME     ": "
  57 #define DRV_MODULE_VERSION      "1.5.10"
  58 #define DRV_MODULE_RELDATE      "May 1, 2007"
  59
  60 #define RUN_AT(x) (jiffies + (x))
  61
  62 /* Time in jiffies before concluding the transmitter is hung. */
  63 #define TX_TIMEOUT  (5*HZ)
  64
  65 static const char version[] __devinitdata =
  66         "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  67
  68 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
  69 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
  70 MODULE_LICENSE("GPL");
  71 MODULE_VERSION(DRV_MODULE_VERSION);
  72
  73 static int disable_msi = 0;
  74
  75 module_param(disable_msi, int, 0);
  76 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
  77
  78 typedef enum {
  79         BCM5706 = 0,
  80         NC370T,
  81         NC370I,
  82         BCM5706S,
  83         NC370F,
  84         BCM5708,
  85         BCM5708S,
  86         BCM5709,
  87         BCM5709S,
  88 } board_t;
  89
  90 /* indexed by board_t, above */
  91 static const struct {
  92         char *name;
  93 } board_info[] __devinitdata = {
  94         { "Broadcom NetXtreme II BCM5706 1000Base-T" },
  95         { "HP NC370T Multifunction Gigabit Server Adapter" },
  96         { "HP NC370i Multifunction Gigabit Server Adapter" },
  97         { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
  98         { "HP NC370F Multifunction Gigabit Server Adapter" },
  99         { "Broadcom NetXtreme II BCM5708 1000Base-T" },
 100         { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
 101         { "Broadcom NetXtreme II BCM5709 1000Base-T" },
 102         { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
 103         };
 104
 105 static struct pci_device_id bnx2_pci_tbl[] = {
 106         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
 107           PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
 108         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
 109           PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
 110         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
 111           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
 112         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
 113           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
 114         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
 115           PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
 116         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
 117           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
 118         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
 119           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
 120         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
 121           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
 122         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
 123           PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
 124         { 0, }
 125 };
 126
 127 static struct flash_spec flash_table[] =
 128 {
 129         /* Slow EEPROM */
 130         {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
 131          1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
 132          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
 133          "EEPROM - slow"},
 134         /* Expansion entry 0001 */
 135         {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
 136          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 137          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 138          "Entry 0001"},
 139         /* Saifun SA25F010 (non-buffered flash) */
 140         /* strap, cfg1, & write1 need updates */
 141         {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
 142          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 143          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
 144          "Non-buffered flash (128kB)"},
 145         /* Saifun SA25F020 (non-buffered flash) */
 146         /* strap, cfg1, & write1 need updates */
 147         {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
 148          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 149          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
 150          "Non-buffered flash (256kB)"},
 151         /* Expansion entry 0100 */
 152         {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
 153          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 154          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 155          "Entry 0100"},
 156         /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
 157         {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
 158          0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
 159          ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
 160          "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
 161         /* Entry 0110: ST M45PE20 (non-buffered flash)*/
 162         {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
 163          0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
 164          ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
 165          "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
 166         /* Saifun SA25F005 (non-buffered flash) */
 167         /* strap, cfg1, & write1 need updates */
 168         {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
 169          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 170          SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
 171          "Non-buffered flash (64kB)"},
 172         /* Fast EEPROM */
 173         {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
 174          1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
 175          SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
 176          "EEPROM - fast"},
 177         /* Expansion entry 1001 */
 178         {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
 179          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 180          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 181          "Entry 1001"},
 182         /* Expansion entry 1010 */
 183         {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
 184          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 185          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 186          "Entry 1010"},
 187         /* ATMEL AT45DB011B (buffered flash) */
 188         {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
 189          1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 190          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
 191          "Buffered flash (128kB)"},
 192         /* Expansion entry 1100 */
 193         {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
 194          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 195          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 196          "Entry 1100"},
 197         /* Expansion entry 1101 */
 198         {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
 199          0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
 200          SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
 201          "Entry 1101"},
 202         /* Ateml Expansion entry 1110 */
 203         {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
 204          1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 205          BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
 206          "Entry 1110 (Atmel)"},
 207         /* ATMEL AT45DB021B (buffered flash) */
 208         {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
 209          1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
 210          BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
 211          "Buffered flash (256kB)"},
 212 };
 213
 214 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
 215
 216 static inline u32 bnx2_tx_avail(struct bnx2 *bp)
 217 {
 218         u32 diff;
 219
 220         smp_mb();
 221
 222         /* The ring uses 256 indices for 255 entries, one of them
 223          * needs to be skipped.
 224          */
 225         diff = bp->tx_prod - bp->tx_cons;
 226         if (unlikely(diff >= TX_DESC_CNT)) {
 227                 diff &= 0xffff;
 228                 if (diff == TX_DESC_CNT)
 229                         diff = MAX_TX_DESC_CNT;
 230         }
 231         return (bp->tx_ring_size - diff);
 232 }
 233
 234 static u32
 235 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
 236 {
 237         u32 val;
 238
 239         spin_lock_bh(&bp->indirect_lock);
 240         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
 241         val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
 242         spin_unlock_bh(&bp->indirect_lock);
 243         return val;
 244 }
 245
 246 static void
 247 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
 248 {
 249         spin_lock_bh(&bp->indirect_lock);
 250         REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
 251         REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
 252         spin_unlock_bh(&bp->indirect_lock);
 253 }
 254
 255 static void
 256 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
 257 {
 258         offset += cid_addr;
 259         spin_lock_bh(&bp->indirect_lock);
 260         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
 261                 int i;
 262
 263                 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
 264                 REG_WR(bp, BNX2_CTX_CTX_CTRL,
 265                        offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
 266                 for (i = 0; i < 5; i++) {
 267                         u32 val;
 268                         val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
 269                         if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
 270                                 break;
 271                         udelay(5);
 272                 }
 273         } else {
 274                 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
 275                 REG_WR(bp, BNX2_CTX_DATA, val);
 276         }
 277         spin_unlock_bh(&bp->indirect_lock);
 278 }
 279
 280 static int
 281 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
 282 {
 283         u32 val1;
 284         int i, ret;
 285
 286         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
 287                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 288                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 289
 290                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 291                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 292
 293                 udelay(40);
 294         }
 295
 296         val1 = (bp->phy_addr << 21) | (reg << 16) |
 297                 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
 298                 BNX2_EMAC_MDIO_COMM_START_BUSY;
 299         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
 300
 301         for (i = 0; i < 50; i++) {
 302                 udelay(10);
 303
 304                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 305                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
 306                         udelay(5);
 307
 308                         val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 309                         val1 &= BNX2_EMAC_MDIO_COMM_DATA;
 310
 311                         break;
 312                 }
 313         }
 314
 315         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
 316                 *val = 0x0;
 317                 ret = -EBUSY;
 318         }
 319         else {
 320                 *val = val1;
 321                 ret = 0;
 322         }
 323
 324         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
 325                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 326                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 327
 328                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 329                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 330
 331                 udelay(40);
 332         }
 333
 334         return ret;
 335 }
 336
 337 static int
 338 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
 339 {
 340         u32 val1;
 341         int i, ret;
 342
 343         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
 344                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 345                 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 346
 347                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 348                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 349
 350                 udelay(40);
 351         }
 352
 353         val1 = (bp->phy_addr << 21) | (reg << 16) | val |
 354                 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
 355                 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
 356         REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
 357
 358         for (i = 0; i < 50; i++) {
 359                 udelay(10);
 360
 361                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
 362                 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
 363                         udelay(5);
 364                         break;
 365                 }
 366         }
 367
 368         if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
 369                 ret = -EBUSY;
 370         else
 371                 ret = 0;
 372
 373         if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
 374                 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 375                 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
 376
 377                 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
 378                 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
 379
 380                 udelay(40);
 381         }
 382
 383         return ret;
 384 }
 385
 386 static void
 387 bnx2_disable_int(struct bnx2 *bp)
 388 {
 389         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
 390                BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
 391         REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
 392 }
 393
 394 static void
 395 bnx2_enable_int(struct bnx2 *bp)
 396 {
 397         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
 398                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
 399                BNX2_PCICFG_INT_ACK_CMD_MASK_INT | bp->last_status_idx);
 400
 401         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
 402                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);
 403
 404         REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
 405 }
 406
 407 static void
 408 bnx2_disable_int_sync(struct bnx2 *bp)
 409 {
 410         atomic_inc(&bp->intr_sem);
 411         bnx2_disable_int(bp);
 412         synchronize_irq(bp->pdev->irq);
 413 }
 414
 415 static void
 416 bnx2_netif_stop(struct bnx2 *bp)
 417 {
 418         bnx2_disable_int_sync(bp);
 419         if (netif_running(bp->dev)) {
 420                 netif_poll_disable(bp->dev);
 421                 netif_tx_disable(bp->dev);
 422                 bp->dev->trans_start = jiffies; /* prevent tx timeout */
 423         }
 424 }
 425
 426 static void
 427 bnx2_netif_start(struct bnx2 *bp)
 428 {
 429         if (atomic_dec_and_test(&bp->intr_sem)) {
 430                 if (netif_running(bp->dev)) {
 431                         netif_wake_queue(bp->dev);
 432                         netif_poll_enable(bp->dev);
 433                         bnx2_enable_int(bp);
 434                 }
 435         }
 436 }
 437
 438 static void
 439 bnx2_free_mem(struct bnx2 *bp)
 440 {
 441         int i;
 442
 443         for (i = 0; i < bp->ctx_pages; i++) {
 444                 if (bp->ctx_blk[i]) {
 445                         pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
 446                                             bp->ctx_blk[i],
 447                                             bp->ctx_blk_mapping[i]);
 448                         bp->ctx_blk[i] = NULL;
 449                 }
 450         }
 451         if (bp->status_blk) {
 452                 pci_free_consistent(bp->pdev, bp->status_stats_size,
 453                                     bp->status_blk, bp->status_blk_mapping);
 454                 bp->status_blk = NULL;
 455                 bp->stats_blk = NULL;
 456         }
 457         if (bp->tx_desc_ring) {
 458                 pci_free_consistent(bp->pdev,
 459                                     sizeof(struct tx_bd) * TX_DESC_CNT,
 460                                     bp->tx_desc_ring, bp->tx_desc_mapping);
 461                 bp->tx_desc_ring = NULL;
 462         }
 463         kfree(bp->tx_buf_ring);
 464         bp->tx_buf_ring = NULL;
 465         for (i = 0; i < bp->rx_max_ring; i++) {
 466                 if (bp->rx_desc_ring[i])
 467                         pci_free_consistent(bp->pdev,
 468                                             sizeof(struct rx_bd) * RX_DESC_CNT,
 469                                             bp->rx_desc_ring[i],
 470                                             bp->rx_desc_mapping[i]);
 471                 bp->rx_desc_ring[i] = NULL;
 472         }
 473         vfree(bp->rx_buf_ring);
 474         bp->rx_buf_ring = NULL;
 475 }
 476
 477 static int
 478 bnx2_alloc_mem(struct bnx2 *bp)
 479 {
 480         int i, status_blk_size;
 481
 482         bp->tx_buf_ring = kzalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
 483                                   GFP_KERNEL);
 484         if (bp->tx_buf_ring == NULL)
 485                 return -ENOMEM;
 486
 487         bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
 488                                                 sizeof(struct tx_bd) *
 489                                                 TX_DESC_CNT,
 490                                                 &bp->tx_desc_mapping);
 491         if (bp->tx_desc_ring == NULL)
 492                 goto alloc_mem_err;
 493
 494         bp->rx_buf_ring = vmalloc(sizeof(struct sw_bd) * RX_DESC_CNT *
 495                                   bp->rx_max_ring);
 496         if (bp->rx_buf_ring == NULL)
 497                 goto alloc_mem_err;
 498
 499         memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT *
 500                                    bp->rx_max_ring);
 501
 502         for (i = 0; i < bp->rx_max_ring; i++) {
 503                 bp->rx_desc_ring[i] =
 504                         pci_alloc_consistent(bp->pdev,
 505                                              sizeof(struct rx_bd) * RX_DESC_CNT,
 506                                              &bp->rx_desc_mapping[i]);
 507                 if (bp->rx_desc_ring[i] == NULL)
 508                         goto alloc_mem_err;
 509
 510         }
 511
 512         /* Combine status and statistics blocks into one allocation. */
 513         status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
 514         bp->status_stats_size = status_blk_size +
 515                                 sizeof(struct statistics_block);
 516
 517         bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
 518                                               &bp->status_blk_mapping);
 519         if (bp->status_blk == NULL)
 520                 goto alloc_mem_err;
 521
 522         memset(bp->status_blk, 0, bp->status_stats_size);
 523
 524         bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
 525                                   status_blk_size);
 526
 527         bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
 528
 529         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
 530                 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
 531                 if (bp->ctx_pages == 0)
 532                         bp->ctx_pages = 1;
 533                 for (i = 0; i < bp->ctx_pages; i++) {
 534                         bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
 535                                                 BCM_PAGE_SIZE,
 536                                                 &bp->ctx_blk_mapping[i]);
 537                         if (bp->ctx_blk[i] == NULL)
 538                                 goto alloc_mem_err;
 539                 }
 540         }
 541         return 0;
 542
 543 alloc_mem_err:
 544         bnx2_free_mem(bp);
 545         return -ENOMEM;
 546 }
 547
 548 static void
 549 bnx2_report_fw_link(struct bnx2 *bp)
 550 {
 551         u32 fw_link_status = 0;
 552
 553         if (bp->link_up) {
 554                 u32 bmsr;
 555
 556                 switch (bp->line_speed) {
 557                 case SPEED_10:
 558                         if (bp->duplex == DUPLEX_HALF)
 559                                 fw_link_status = BNX2_LINK_STATUS_10HALF;
 560                         else
 561                                 fw_link_status = BNX2_LINK_STATUS_10FULL;
 562                         break;
 563                 case SPEED_100:
 564                         if (bp->duplex == DUPLEX_HALF)
 565                                 fw_link_status = BNX2_LINK_STATUS_100HALF;
 566                         else
 567                                 fw_link_status = BNX2_LINK_STATUS_100FULL;
 568                         break;
 569                 case SPEED_1000:
 570                         if (bp->duplex == DUPLEX_HALF)
 571                                 fw_link_status = BNX2_LINK_STATUS_1000HALF;
 572                         else
 573                                 fw_link_status = BNX2_LINK_STATUS_1000FULL;
 574                         break;
 575                 case SPEED_2500:
 576                         if (bp->duplex == DUPLEX_HALF)
 577                                 fw_link_status = BNX2_LINK_STATUS_2500HALF;
 578                         else
 579                                 fw_link_status = BNX2_LINK_STATUS_2500FULL;
 580                         break;
 581                 }
 582
 583                 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
 584
 585                 if (bp->autoneg) {
 586                         fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
 587
 588                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
 589                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
 590
 591                         if (!(bmsr & BMSR_ANEGCOMPLETE) ||
 592                             bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)
 593                                 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
 594                         else
 595                                 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
 596                 }
 597         }
 598         else
 599                 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
 600
 601         REG_WR_IND(bp, bp->shmem_base + BNX2_LINK_STATUS, fw_link_status);
 602 }
 603
 604 static void
 605 bnx2_report_link(struct bnx2 *bp)
 606 {
 607         if (bp->link_up) {
 608                 netif_carrier_on(bp->dev);
 609                 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
 610
 611                 printk("%d Mbps ", bp->line_speed);
 612
 613                 if (bp->duplex == DUPLEX_FULL)
 614                         printk("full duplex");
 615                 else
 616                         printk("half duplex");
 617
 618                 if (bp->flow_ctrl) {
 619                         if (bp->flow_ctrl & FLOW_CTRL_RX) {
 620                                 printk(", receive ");
 621                                 if (bp->flow_ctrl & FLOW_CTRL_TX)
 622                                         printk("& transmit ");
 623                         }
 624                         else {
 625                                 printk(", transmit ");
 626                         }
 627                         printk("flow control ON");
 628                 }
 629                 printk("\n");
 630         }
 631         else {
 632                 netif_carrier_off(bp->dev);
 633                 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
 634         }
 635
 636         bnx2_report_fw_link(bp);
 637 }
 638
 639 static void
 640 bnx2_resolve_flow_ctrl(struct bnx2 *bp)
 641 {
 642         u32 local_adv, remote_adv;
 643
 644         bp->flow_ctrl = 0;
 645         if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
 646                 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
 647
 648                 if (bp->duplex == DUPLEX_FULL) {
 649                         bp->flow_ctrl = bp->req_flow_ctrl;
 650                 }
 651                 return;
 652         }
 653
 654         if (bp->duplex != DUPLEX_FULL) {
 655                 return;
 656         }
 657
 658         if ((bp->phy_flags & PHY_SERDES_FLAG) &&
 659             (CHIP_NUM(bp) == CHIP_NUM_5708)) {
 660                 u32 val;
 661
 662                 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
 663                 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
 664                         bp->flow_ctrl |= FLOW_CTRL_TX;
 665                 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
 666                         bp->flow_ctrl |= FLOW_CTRL_RX;
 667                 return;
 668         }
 669
 670         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
 671         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
 672
 673         if (bp->phy_flags & PHY_SERDES_FLAG) {
 674                 u32 new_local_adv = 0;
 675                 u32 new_remote_adv = 0;
 676
 677                 if (local_adv & ADVERTISE_1000XPAUSE)
 678                         new_local_adv |= ADVERTISE_PAUSE_CAP;
 679                 if (local_adv & ADVERTISE_1000XPSE_ASYM)
 680                         new_local_adv |= ADVERTISE_PAUSE_ASYM;
 681                 if (remote_adv & ADVERTISE_1000XPAUSE)
 682                         new_remote_adv |= ADVERTISE_PAUSE_CAP;
 683                 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
 684                         new_remote_adv |= ADVERTISE_PAUSE_ASYM;
 685
 686                 local_adv = new_local_adv;
 687                 remote_adv = new_remote_adv;
 688         }
 689
 690         /* See Table 28B-3 of 802.3ab-1999 spec. */
 691         if (local_adv & ADVERTISE_PAUSE_CAP) {
 692                 if(local_adv & ADVERTISE_PAUSE_ASYM) {
 693                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
 694                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
 695                         }
 696                         else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
 697                                 bp->flow_ctrl = FLOW_CTRL_RX;
 698                         }
 699                 }
 700                 else {
 701                         if (remote_adv & ADVERTISE_PAUSE_CAP) {
 702                                 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
 703                         }
 704                 }
 705         }
 706         else if (local_adv & ADVERTISE_PAUSE_ASYM) {
 707                 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
 708                         (remote_adv & ADVERTISE_PAUSE_ASYM)) {
 709
 710                         bp->flow_ctrl = FLOW_CTRL_TX;
 711                 }
 712         }
 713 }
 714
 715 static int
 716 bnx2_5709s_linkup(struct bnx2 *bp)
 717 {
 718         u32 val, speed;
 719
 720         bp->link_up = 1;
 721
 722         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
 723         bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
 724         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
 725
 726         if ((bp->autoneg & AUTONEG_SPEED) == 0) {
 727                 bp->line_speed = bp->req_line_speed;
 728                 bp->duplex = bp->req_duplex;
 729                 return 0;
 730         }
 731         speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
 732         switch (speed) {
 733                 case MII_BNX2_GP_TOP_AN_SPEED_10:
 734                         bp->line_speed = SPEED_10;
 735                         break;
 736                 case MII_BNX2_GP_TOP_AN_SPEED_100:
 737                         bp->line_speed = SPEED_100;
 738                         break;
 739                 case MII_BNX2_GP_TOP_AN_SPEED_1G:
 740                 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
 741                         bp->line_speed = SPEED_1000;
 742                         break;
 743                 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
 744                         bp->line_speed = SPEED_2500;
 745                         break;
 746         }
 747         if (val & MII_BNX2_GP_TOP_AN_FD)
 748                 bp->duplex = DUPLEX_FULL;
 749         else
 750                 bp->duplex = DUPLEX_HALF;
 751         return 0;
 752 }
 753
 754 static int
 755 bnx2_5708s_linkup(struct bnx2 *bp)
 756 {
 757         u32 val;
 758
 759         bp->link_up = 1;
 760         bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
 761         switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
 762                 case BCM5708S_1000X_STAT1_SPEED_10:
 763                         bp->line_speed = SPEED_10;
 764                         break;
 765                 case BCM5708S_1000X_STAT1_SPEED_100:
 766                         bp->line_speed = SPEED_100;
 767                         break;
 768                 case BCM5708S_1000X_STAT1_SPEED_1G:
 769                         bp->line_speed = SPEED_1000;
 770                         break;
 771                 case BCM5708S_1000X_STAT1_SPEED_2G5:
 772                         bp->line_speed = SPEED_2500;
 773                         break;
 774         }
 775         if (val & BCM5708S_1000X_STAT1_FD)
 776                 bp->duplex = DUPLEX_FULL;
 777         else
 778                 bp->duplex = DUPLEX_HALF;
 779
 780         return 0;
 781 }
 782
 783 static int
 784 bnx2_5706s_linkup(struct bnx2 *bp)
 785 {
 786         u32 bmcr, local_adv, remote_adv, common;
 787
 788         bp->link_up = 1;
 789         bp->line_speed = SPEED_1000;
 790
 791         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
 792         if (bmcr & BMCR_FULLDPLX) {
 793                 bp->duplex = DUPLEX_FULL;
 794         }
 795         else {
 796                 bp->duplex = DUPLEX_HALF;
 797         }
 798
 799         if (!(bmcr & BMCR_ANENABLE)) {
 800                 return 0;
 801         }
 802
 803         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
 804         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
 805
 806         common = local_adv & remote_adv;
 807         if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
 808
 809                 if (common & ADVERTISE_1000XFULL) {
 810                         bp->duplex = DUPLEX_FULL;
 811                 }
 812                 else {
 813                         bp->duplex = DUPLEX_HALF;
 814                 }
 815         }
 816
 817         return 0;
 818 }
 819
 820 static int
 821 bnx2_copper_linkup(struct bnx2 *bp)
 822 {
 823         u32 bmcr;
 824
 825         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
 826         if (bmcr & BMCR_ANENABLE) {
 827                 u32 local_adv, remote_adv, common;
 828
 829                 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
 830                 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
 831
 832                 common = local_adv & (remote_adv >> 2);
 833                 if (common & ADVERTISE_1000FULL) {
 834                         bp->line_speed = SPEED_1000;
 835                         bp->duplex = DUPLEX_FULL;
 836                 }
 837                 else if (common & ADVERTISE_1000HALF) {
 838                         bp->line_speed = SPEED_1000;
 839                         bp->duplex = DUPLEX_HALF;
 840                 }
 841                 else {
 842                         bnx2_read_phy(bp, bp->mii_adv, &local_adv);
 843                         bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
 844
 845                         common = local_adv & remote_adv;
 846                         if (common & ADVERTISE_100FULL) {
 847                                 bp->line_speed = SPEED_100;
 848                                 bp->duplex = DUPLEX_FULL;
 849                         }
 850                         else if (common & ADVERTISE_100HALF) {
 851                                 bp->line_speed = SPEED_100;
 852                                 bp->duplex = DUPLEX_HALF;
 853                         }
 854                         else if (common & ADVERTISE_10FULL) {
 855                                 bp->line_speed = SPEED_10;
 856                                 bp->duplex = DUPLEX_FULL;
 857                         }
 858                         else if (common & ADVERTISE_10HALF) {
 859                                 bp->line_speed = SPEED_10;
 860                                 bp->duplex = DUPLEX_HALF;
 861                         }
 862                         else {
 863                                 bp->line_speed = 0;
 864                                 bp->link_up = 0;
 865                         }
 866                 }
 867         }
 868         else {
 869                 if (bmcr & BMCR_SPEED100) {
 870                         bp->line_speed = SPEED_100;
 871                 }
 872                 else {
 873                         bp->line_speed = SPEED_10;
 874                 }
 875                 if (bmcr & BMCR_FULLDPLX) {
 876                         bp->duplex = DUPLEX_FULL;
 877                 }
 878                 else {
 879                         bp->duplex = DUPLEX_HALF;
 880                 }
 881         }
 882
 883         return 0;
 884 }
 885
 886 static int
 887 bnx2_set_mac_link(struct bnx2 *bp)
 888 {
 889         u32 val;
 890
 891         REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
 892         if (bp->link_up && (bp->line_speed == SPEED_1000) &&
 893                 (bp->duplex == DUPLEX_HALF)) {
 894                 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
 895         }
 896
 897         /* Configure the EMAC mode register. */
 898         val = REG_RD(bp, BNX2_EMAC_MODE);
 899
 900         val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
 901                 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
 902                 BNX2_EMAC_MODE_25G_MODE);
 903
 904         if (bp->link_up) {
 905                 switch (bp->line_speed) {
 906                         case SPEED_10:
 907                                 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
 908                                         val |= BNX2_EMAC_MODE_PORT_MII_10M;
 909                                         break;
 910                                 }
 911                                 /* fall through */
 912                         case SPEED_100:
 913                                 val |= BNX2_EMAC_MODE_PORT_MII;
 914                                 break;
 915                         case SPEED_2500:
 916                                 val |= BNX2_EMAC_MODE_25G_MODE;
 917                                 /* fall through */
 918                         case SPEED_1000:
 919                                 val |= BNX2_EMAC_MODE_PORT_GMII;
 920                                 break;
 921                 }
 922         }
 923         else {
 924                 val |= BNX2_EMAC_MODE_PORT_GMII;
 925         }
 926
 927         /* Set the MAC to operate in the appropriate duplex mode. */
 928         if (bp->duplex == DUPLEX_HALF)
 929                 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
 930         REG_WR(bp, BNX2_EMAC_MODE, val);
 931
 932         /* Enable/disable rx PAUSE. */
 933         bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
 934
 935         if (bp->flow_ctrl & FLOW_CTRL_RX)
 936                 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
 937         REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
 938
 939         /* Enable/disable tx PAUSE. */
 940         val = REG_RD(bp, BNX2_EMAC_TX_MODE);
 941         val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
 942
 943         if (bp->flow_ctrl & FLOW_CTRL_TX)
 944                 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
 945         REG_WR(bp, BNX2_EMAC_TX_MODE, val);
 946
 947         /* Acknowledge the interrupt. */
 948         REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
 949
 950         return 0;
 951 }
 952
 953 static void
 954 bnx2_enable_bmsr1(struct bnx2 *bp)
 955 {
 956         if ((bp->phy_flags & PHY_SERDES_FLAG) &&
 957             (CHIP_NUM(bp) == CHIP_NUM_5709))
 958                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
 959                                MII_BNX2_BLK_ADDR_GP_STATUS);
 960 }
 961
 962 static void
 963 bnx2_disable_bmsr1(struct bnx2 *bp)
 964 {
 965         if ((bp->phy_flags & PHY_SERDES_FLAG) &&
 966             (CHIP_NUM(bp) == CHIP_NUM_5709))
 967                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
 968                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
 969 }
 970
 971 static int
 972 bnx2_test_and_enable_2g5(struct bnx2 *bp)
 973 {
 974         u32 up1;
 975         int ret = 1;
 976
 977         if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
 978                 return 0;
 979
 980         if (bp->autoneg & AUTONEG_SPEED)
 981                 bp->advertising |= ADVERTISED_2500baseX_Full;
 982
 983         if (CHIP_NUM(bp) == CHIP_NUM_5709)
 984                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
 985
 986         bnx2_read_phy(bp, bp->mii_up1, &up1);
 987         if (!(up1 & BCM5708S_UP1_2G5)) {
 988                 up1 |= BCM5708S_UP1_2G5;
 989                 bnx2_write_phy(bp, bp->mii_up1, up1);
 990                 ret = 0;
 991         }
 992
 993         if (CHIP_NUM(bp) == CHIP_NUM_5709)
 994                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
 995                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
 996
 997         return ret;
 998 }
 999
1000 static int
1001 bnx2_test_and_disable_2g5(struct bnx2 *bp)
1002 {
1003         u32 up1;
1004         int ret = 0;
1005
1006         if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
1007                 return 0;
1008
1009         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1010                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1011
1012         bnx2_read_phy(bp, bp->mii_up1, &up1);
1013         if (up1 & BCM5708S_UP1_2G5) {
1014                 up1 &= ~BCM5708S_UP1_2G5;
1015                 bnx2_write_phy(bp, bp->mii_up1, up1);
1016                 ret = 1;
1017         }
1018
1019         if (CHIP_NUM(bp) == CHIP_NUM_5709)
1020                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1021                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1022
1023         return ret;
1024 }
1025
1026 static void
1027 bnx2_enable_forced_2g5(struct bnx2 *bp)
1028 {
1029         u32 bmcr;
1030
1031         if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
1032                 return;
1033
1034         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1035                 u32 val;
1036
1037                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1038                                MII_BNX2_BLK_ADDR_SERDES_DIG);
1039                 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1040                 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1041                 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1042                 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1043
1044                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1045                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1046                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1047
1048         } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1049                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1050                 bmcr |= BCM5708S_BMCR_FORCE_2500;
1051         }
1052
1053         if (bp->autoneg & AUTONEG_SPEED) {
1054                 bmcr &= ~BMCR_ANENABLE;
1055                 if (bp->req_duplex == DUPLEX_FULL)
1056                         bmcr |= BMCR_FULLDPLX;
1057         }
1058         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1059 }
1060
1061 static void
1062 bnx2_disable_forced_2g5(struct bnx2 *bp)
1063 {
1064         u32 bmcr;
1065
1066         if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
1067                 return;
1068
1069         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1070                 u32 val;
1071
1072                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1073                                MII_BNX2_BLK_ADDR_SERDES_DIG);
1074                 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1075                 val &= ~MII_BNX2_SD_MISC1_FORCE;
1076                 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1077
1078                 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1079                                MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1080                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1081
1082         } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1083                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1084                 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
1085         }
1086
1087         if (bp->autoneg & AUTONEG_SPEED)
1088                 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1089         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1090 }
1091
1092 static int
1093 bnx2_set_link(struct bnx2 *bp)
1094 {
1095         u32 bmsr;
1096         u8 link_up;
1097
1098         if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1099                 bp->link_up = 1;
1100                 return 0;
1101         }
1102
1103         link_up = bp->link_up;
1104
1105         bnx2_enable_bmsr1(bp);
1106         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1107         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1108         bnx2_disable_bmsr1(bp);
1109
1110         if ((bp->phy_flags & PHY_SERDES_FLAG) &&
1111             (CHIP_NUM(bp) == CHIP_NUM_5706)) {
1112                 u32 val;
1113
1114                 val = REG_RD(bp, BNX2_EMAC_STATUS);
1115                 if (val & BNX2_EMAC_STATUS_LINK)
1116                         bmsr |= BMSR_LSTATUS;
1117                 else
1118                         bmsr &= ~BMSR_LSTATUS;
1119         }
1120
1121         if (bmsr & BMSR_LSTATUS) {
1122                 bp->link_up = 1;
1123
1124                 if (bp->phy_flags & PHY_SERDES_FLAG) {
1125                         if (CHIP_NUM(bp) == CHIP_NUM_5706)
1126                                 bnx2_5706s_linkup(bp);
1127                         else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1128                                 bnx2_5708s_linkup(bp);
1129                         else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1130                                 bnx2_5709s_linkup(bp);
1131                 }
1132                 else {
1133                         bnx2_copper_linkup(bp);
1134                 }
1135                 bnx2_resolve_flow_ctrl(bp);
1136         }
1137         else {
1138                 if ((bp->phy_flags & PHY_SERDES_FLAG) &&
1139                     (bp->autoneg & AUTONEG_SPEED))
1140                         bnx2_disable_forced_2g5(bp);
1141
1142                 bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
1143                 bp->link_up = 0;
1144         }
1145
1146         if (bp->link_up != link_up) {
1147                 bnx2_report_link(bp);
1148         }
1149
1150         bnx2_set_mac_link(bp);
1151
1152         return 0;
1153 }
1154
1155 static int
1156 bnx2_reset_phy(struct bnx2 *bp)
1157 {
1158         int i;
1159         u32 reg;
1160
1161         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1162
1163 #define PHY_RESET_MAX_WAIT 100
1164         for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1165                 udelay(10);
1166
1167                 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1168                 if (!(reg & BMCR_RESET)) {
1169                         udelay(20);
1170                         break;
1171                 }
1172         }
1173         if (i == PHY_RESET_MAX_WAIT) {
1174                 return -EBUSY;
1175         }
1176         return 0;
1177 }
1178
1179 static u32
1180 bnx2_phy_get_pause_adv(struct bnx2 *bp)
1181 {
1182         u32 adv = 0;
1183
1184         if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1185                 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1186
1187                 if (bp->phy_flags & PHY_SERDES_FLAG) {
1188                         adv = ADVERTISE_1000XPAUSE;
1189                 }
1190                 else {
1191                         adv = ADVERTISE_PAUSE_CAP;
1192                 }
1193         }
1194         else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
1195                 if (bp->phy_flags & PHY_SERDES_FLAG) {
1196                         adv = ADVERTISE_1000XPSE_ASYM;
1197                 }
1198                 else {
1199                         adv = ADVERTISE_PAUSE_ASYM;
1200                 }
1201         }
1202         else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
1203                 if (bp->phy_flags & PHY_SERDES_FLAG) {
1204                         adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1205                 }
1206                 else {
1207                         adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1208                 }
1209         }
1210         return adv;
1211 }
1212
1213 static int
1214 bnx2_setup_serdes_phy(struct bnx2 *bp)
1215 {
1216         u32 adv, bmcr;
1217         u32 new_adv = 0;
1218
1219         if (!(bp->autoneg & AUTONEG_SPEED)) {
1220                 u32 new_bmcr;
1221                 int force_link_down = 0;
1222
1223                 if (bp->req_line_speed == SPEED_2500) {
1224                         if (!bnx2_test_and_enable_2g5(bp))
1225                                 force_link_down = 1;
1226                 } else if (bp->req_line_speed == SPEED_1000) {
1227                         if (bnx2_test_and_disable_2g5(bp))
1228                                 force_link_down = 1;
1229                 }
1230                 bnx2_read_phy(bp, bp->mii_adv, &adv);
1231                 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1232
1233                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1234                 new_bmcr = bmcr & ~BMCR_ANENABLE;
1235                 new_bmcr |= BMCR_SPEED1000;
1236
1237                 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1238                         if (bp->req_line_speed == SPEED_2500)
1239                                 bnx2_enable_forced_2g5(bp);
1240                         else if (bp->req_line_speed == SPEED_1000) {
1241                                 bnx2_disable_forced_2g5(bp);
1242                                 new_bmcr &= ~0x2000;
1243                         }
1244
1245                 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1246                         if (bp->req_line_speed == SPEED_2500)
1247                                 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1248                         else
1249                                 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
1250                 }
1251
1252                 if (bp->req_duplex == DUPLEX_FULL) {
1253                         adv |= ADVERTISE_1000XFULL;
1254                         new_bmcr |= BMCR_FULLDPLX;
1255                 }
1256                 else {
1257                         adv |= ADVERTISE_1000XHALF;
1258                         new_bmcr &= ~BMCR_FULLDPLX;
1259                 }
1260                 if ((new_bmcr != bmcr) || (force_link_down)) {
1261                         /* Force a link down visible on the other side */
1262                         if (bp->link_up) {
1263                                 bnx2_write_phy(bp, bp->mii_adv, adv &
1264                                                ~(ADVERTISE_1000XFULL |
1265                                                  ADVERTISE_1000XHALF));
1266                                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1267                                         BMCR_ANRESTART | BMCR_ANENABLE);
1268
1269                                 bp->link_up = 0;
1270                                 netif_carrier_off(bp->dev);
1271                                 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1272                                 bnx2_report_link(bp);
1273                         }
1274                         bnx2_write_phy(bp, bp->mii_adv, adv);
1275                         bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1276                 } else {
1277                         bnx2_resolve_flow_ctrl(bp);
1278                         bnx2_set_mac_link(bp);
1279                 }
1280                 return 0;
1281         }
1282
1283         bnx2_test_and_enable_2g5(bp);
1284
1285         if (bp->advertising & ADVERTISED_1000baseT_Full)
1286                 new_adv |= ADVERTISE_1000XFULL;
1287
1288         new_adv |= bnx2_phy_get_pause_adv(bp);
1289
1290         bnx2_read_phy(bp, bp->mii_adv, &adv);
1291         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1292
1293         bp->serdes_an_pending = 0;
1294         if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1295                 /* Force a link down visible on the other side */
1296                 if (bp->link_up) {
1297                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1298                         spin_unlock_bh(&bp->phy_lock);
1299                         msleep(20);
1300                         spin_lock_bh(&bp->phy_lock);
1301                 }
1302
1303                 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1304                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1305                         BMCR_ANENABLE);
1306                 /* Speed up link-up time when the link partner
1307                  * does not autonegotiate which is very common
1308                  * in blade servers. Some blade servers use
1309                  * IPMI for kerboard input and it's important
1310                  * to minimize link disruptions. Autoneg. involves
1311                  * exchanging base pages plus 3 next pages and
1312                  * normally completes in about 120 msec.
1313                  */
1314                 bp->current_interval = SERDES_AN_TIMEOUT;
1315                 bp->serdes_an_pending = 1;
1316                 mod_timer(&bp->timer, jiffies + bp->current_interval);
1317         } else {
1318                 bnx2_resolve_flow_ctrl(bp);
1319                 bnx2_set_mac_link(bp);
1320         }
1321
1322         return 0;
1323 }
1324
1325 #define ETHTOOL_ALL_FIBRE_SPEED                                         \
1326         (ADVERTISED_1000baseT_Full)
1327
1328 #define ETHTOOL_ALL_COPPER_SPEED                                        \
1329         (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |            \
1330         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |           \
1331         ADVERTISED_1000baseT_Full)
1332
1333 #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1334         ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1335
1336 #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1337
1338 static int
1339 bnx2_setup_copper_phy(struct bnx2 *bp)
1340 {
1341         u32 bmcr;
1342         u32 new_bmcr;
1343
1344         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1345
1346         if (bp->autoneg & AUTONEG_SPEED) {
1347                 u32 adv_reg, adv1000_reg;
1348                 u32 new_adv_reg = 0;
1349                 u32 new_adv1000_reg = 0;
1350
1351                 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1352                 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
1353                         ADVERTISE_PAUSE_ASYM);
1354
1355                 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
1356                 adv1000_reg &= PHY_ALL_1000_SPEED;
1357
1358                 if (bp->advertising & ADVERTISED_10baseT_Half)
1359                         new_adv_reg |= ADVERTISE_10HALF;
1360                 if (bp->advertising & ADVERTISED_10baseT_Full)
1361                         new_adv_reg |= ADVERTISE_10FULL;
1362                 if (bp->advertising & ADVERTISED_100baseT_Half)
1363                         new_adv_reg |= ADVERTISE_100HALF;
1364                 if (bp->advertising & ADVERTISED_100baseT_Full)
1365                         new_adv_reg |= ADVERTISE_100FULL;
1366                 if (bp->advertising & ADVERTISED_1000baseT_Full)
1367                         new_adv1000_reg |= ADVERTISE_1000FULL;
1368
1369                 new_adv_reg |= ADVERTISE_CSMA;
1370
1371                 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
1372
1373                 if ((adv1000_reg != new_adv1000_reg) ||
1374                         (adv_reg != new_adv_reg) ||
1375                         ((bmcr & BMCR_ANENABLE) == 0)) {
1376
1377                         bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1378                         bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1379                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1380                                 BMCR_ANENABLE);
1381                 }
1382                 else if (bp->link_up) {
1383                         /* Flow ctrl may have changed from auto to forced */
1384                         /* or vice-versa. */
1385
1386                         bnx2_resolve_flow_ctrl(bp);
1387                         bnx2_set_mac_link(bp);
1388                 }
1389                 return 0;
1390         }
1391
1392         new_bmcr = 0;
1393         if (bp->req_line_speed == SPEED_100) {
1394                 new_bmcr |= BMCR_SPEED100;
1395         }
1396         if (bp->req_duplex == DUPLEX_FULL) {
1397                 new_bmcr |= BMCR_FULLDPLX;
1398         }
1399         if (new_bmcr != bmcr) {
1400                 u32 bmsr;
1401
1402                 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1403                 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1404
1405                 if (bmsr & BMSR_LSTATUS) {
1406                         /* Force link down */
1407                         bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1408                         spin_unlock_bh(&bp->phy_lock);
1409                         msleep(50);
1410                         spin_lock_bh(&bp->phy_lock);
1411
1412                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1413                         bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1414                 }
1415
1416                 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1417
1418                 /* Normally, the new speed is setup after the link has
1419                  * gone down and up again. In some cases, link will not go
1420                  * down so we need to set up the new speed here.
1421                  */
1422                 if (bmsr & BMSR_LSTATUS) {
1423                         bp->line_speed = bp->req_line_speed;
1424                         bp->duplex = bp->req_duplex;
1425                         bnx2_resolve_flow_ctrl(bp);
1426                         bnx2_set_mac_link(bp);
1427                 }
1428         } else {
1429                 bnx2_resolve_flow_ctrl(bp);
1430                 bnx2_set_mac_link(bp);
1431         }
1432         return 0;
1433 }
1434
1435 static int
1436 bnx2_setup_phy(struct bnx2 *bp)
1437 {
1438         if (bp->loopback == MAC_LOOPBACK)
1439                 return 0;
1440
1441         if (bp->phy_flags & PHY_SERDES_FLAG) {
1442                 return (bnx2_setup_serdes_phy(bp));
1443         }
1444         else {
1445                 return (bnx2_setup_copper_phy(bp));
1446         }
1447 }
1448
1449 static int
1450 bnx2_init_5709s_phy(struct bnx2 *bp)
1451 {
1452         u32 val;
1453
1454         bp->mii_bmcr = MII_BMCR + 0x10;
1455         bp->mii_bmsr = MII_BMSR + 0x10;
1456         bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
1457         bp->mii_adv = MII_ADVERTISE + 0x10;
1458         bp->mii_lpa = MII_LPA + 0x10;
1459         bp->mii_up1 = MII_BNX2_OVER1G_UP1;
1460
1461         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
1462         bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
1463
1464         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1465         bnx2_reset_phy(bp);
1466
1467         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
1468
1469         bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
1470         val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
1471         val |= MII_BNX2_SD_1000XCTL1_FIBER;
1472         bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
1473
1474         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1475         bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
1476         if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)
1477                 val |= BCM5708S_UP1_2G5;
1478         else
1479                 val &= ~BCM5708S_UP1_2G5;
1480         bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
1481
1482         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
1483         bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
1484         val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
1485         bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
1486
1487         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
1488
1489         val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
1490               MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
1491         bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
1492
1493         bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1494
1495         return 0;
1496 }
1497
1498 static int
1499 bnx2_init_5708s_phy(struct bnx2 *bp)
1500 {
1501         u32 val;
1502
1503         bnx2_reset_phy(bp);
1504
1505         bp->mii_up1 = BCM5708S_UP1;
1506
1507         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
1508         bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
1509         bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1510
1511         bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
1512         val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
1513         bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
1514
1515         bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
1516         val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
1517         bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
1518
1519         if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
1520                 bnx2_read_phy(bp, BCM5708S_UP1, &val);
1521                 val |= BCM5708S_UP1_2G5;
1522                 bnx2_write_phy(bp, BCM5708S_UP1, val);
1523         }
1524
1525         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
1526             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
1527             (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
1528                 /* increase tx signal amplitude */
1529                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1530                                BCM5708S_BLK_ADDR_TX_MISC);
1531                 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
1532                 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
1533                 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
1534                 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
1535         }
1536
1537         val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
1538               BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
1539
1540         if (val) {
1541                 u32 is_backplane;
1542
1543                 is_backplane = REG_RD_IND(bp, bp->shmem_base +
1544                                           BNX2_SHARED_HW_CFG_CONFIG);
1545                 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
1546                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1547                                        BCM5708S_BLK_ADDR_TX_MISC);
1548                         bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
1549                         bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
1550                                        BCM5708S_BLK_ADDR_DIG);
1551                 }
1552         }
1553         return 0;
1554 }
1555
1556 static int
1557 bnx2_init_5706s_phy(struct bnx2 *bp)
1558 {
1559         bnx2_reset_phy(bp);
1560
1561         bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
1562
1563         if (CHIP_NUM(bp) == CHIP_NUM_5706)
1564                 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
1565
1566         if (bp->dev->mtu > 1500) {
1567                 u32 val;
1568
1569                 /* Set extended packet length bit */
1570                 bnx2_write_phy(bp, 0x18, 0x7);
1571                 bnx2_read_phy(bp, 0x18, &val);
1572                 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
1573
1574                 bnx2_write_phy(bp, 0x1c, 0x6c00);
1575                 bnx2_read_phy(bp, 0x1c, &val);
1576                 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
1577         }
1578         else {
1579                 u32 val;
1580
1581                 bnx2_write_phy(bp, 0x18, 0x7);
1582                 bnx2_read_phy(bp, 0x18, &val);
1583                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1584
1585                 bnx2_write_phy(bp, 0x1c, 0x6c00);
1586                 bnx2_read_phy(bp, 0x1c, &val);
1587                 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
1588         }
1589
1590         return 0;
1591 }
1592
1593 static int
1594 bnx2_init_copper_phy(struct bnx2 *bp)
1595 {
1596         u32 val;
1597
1598         bnx2_reset_phy(bp);
1599
1600         if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
1601                 bnx2_write_phy(bp, 0x18, 0x0c00);
1602                 bnx2_write_phy(bp, 0x17, 0x000a);
1603                 bnx2_write_phy(bp, 0x15, 0x310b);
1604                 bnx2_write_phy(bp, 0x17, 0x201f);
1605                 bnx2_write_phy(bp, 0x15, 0x9506);
1606                 bnx2_write_phy(bp, 0x17, 0x401f);
1607                 bnx2_write_phy(bp, 0x15, 0x14e2);
1608                 bnx2_write_phy(bp, 0x18, 0x0400);
1609         }
1610
1611         if (bp->phy_flags & PHY_DIS_EARLY_DAC_FLAG) {
1612                 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
1613                                MII_BNX2_DSP_EXPAND_REG | 0x8);
1614                 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1615                 val &= ~(1 << 8);
1616                 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
1617         }
1618
1619         if (bp->dev->mtu > 1500) {
1620                 /* Set extended packet length bit */
1621                 bnx2_write_phy(bp, 0x18, 0x7);
1622                 bnx2_read_phy(bp, 0x18, &val);
1623                 bnx2_write_phy(bp, 0x18, val | 0x4000);
1624
1625                 bnx2_read_phy(bp, 0x10, &val);
1626                 bnx2_write_phy(bp, 0x10, val | 0x1);
1627         }
1628         else {
1629                 bnx2_write_phy(bp, 0x18, 0x7);
1630                 bnx2_read_phy(bp, 0x18, &val);
1631                 bnx2_write_phy(bp, 0x18, val & ~0x4007);
1632
1633                 bnx2_read_phy(bp, 0x10, &val);
1634                 bnx2_write_phy(bp, 0x10, val & ~0x1);
1635         }
1636
1637         /* ethernet@wirespeed */
1638         bnx2_write_phy(bp, 0x18, 0x7007);
1639         bnx2_read_phy(bp, 0x18, &val);
1640         bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
1641         return 0;
1642 }
1643
1644
1645 static int
1646 bnx2_init_phy(struct bnx2 *bp)
1647 {
1648         u32 val;
1649         int rc = 0;
1650
1651         bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
1652         bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;
1653
1654         bp->mii_bmcr = MII_BMCR;
1655         bp->mii_bmsr = MII_BMSR;
1656         bp->mii_bmsr1 = MII_BMSR;
1657         bp->mii_adv = MII_ADVERTISE;
1658         bp->mii_lpa = MII_LPA;
1659
1660         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
1661
1662         bnx2_read_phy(bp, MII_PHYSID1, &val);
1663         bp->phy_id = val << 16;
1664         bnx2_read_phy(bp, MII_PHYSID2, &val);
1665         bp->phy_id |= val & 0xffff;
1666
1667         if (bp->phy_flags & PHY_SERDES_FLAG) {
1668                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1669                         rc = bnx2_init_5706s_phy(bp);
1670                 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1671                         rc = bnx2_init_5708s_phy(bp);
1672                 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1673                         rc = bnx2_init_5709s_phy(bp);
1674         }
1675         else {
1676                 rc = bnx2_init_copper_phy(bp);
1677         }
1678
1679         bnx2_setup_phy(bp);
1680
1681         return rc;
1682 }
1683
1684 static int
1685 bnx2_set_mac_loopback(struct bnx2 *bp)
1686 {
1687         u32 mac_mode;
1688
1689         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
1690         mac_mode &= ~BNX2_EMAC_MODE_PORT;
1691         mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
1692         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
1693         bp->link_up = 1;
1694         return 0;
1695 }
1696
1697 static int bnx2_test_link(struct bnx2 *);
1698
1699 static int
1700 bnx2_set_phy_loopback(struct bnx2 *bp)
1701 {
1702         u32 mac_mode;
1703         int rc, i;
1704
1705         spin_lock_bh(&bp->phy_lock);
1706         rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
1707                             BMCR_SPEED1000);
1708         spin_unlock_bh(&bp->phy_lock);
1709         if (rc)
1710                 return rc;
1711
1712         for (i = 0; i < 10; i++) {
1713                 if (bnx2_test_link(bp) == 0)
1714                         break;
1715                 msleep(100);
1716         }
1717
1718         mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
1719         mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
1720                       BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
1721                       BNX2_EMAC_MODE_25G_MODE);
1722
1723         mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
1724         REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
1725         bp->link_up = 1;
1726         return 0;
1727 }
1728
1729 static int
1730 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
1731 {
1732         int i;
1733         u32 val;
1734
1735         bp->fw_wr_seq++;
1736         msg_data |= bp->fw_wr_seq;
1737
1738         REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
1739
1740         /* wait for an acknowledgement. */
1741         for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
1742                 msleep(10);
1743
1744                 val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
1745
1746                 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
1747                         break;
1748         }
1749         if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
1750                 return 0;
1751
1752         /* If we timed out, inform the firmware that this is the case. */
1753         if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
1754                 if (!silent)
1755                         printk(KERN_ERR PFX "fw sync timeout, reset code = "
1756                                             "%x\n", msg_data);
1757
1758                 msg_data &= ~BNX2_DRV_MSG_CODE;
1759                 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
1760
1761                 REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
1762
1763                 return -EBUSY;
1764         }
1765
1766         if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
1767                 return -EIO;
1768
1769         return 0;
1770 }
1771
1772 static int
1773 bnx2_init_5709_context(struct bnx2 *bp)
1774 {
1775         int i, ret = 0;
1776         u32 val;
1777
1778         val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
1779         val |= (BCM_PAGE_BITS - 8) << 16;
1780         REG_WR(bp, BNX2_CTX_COMMAND, val);
1781         for (i = 0; i < 10; i++) {
1782                 val = REG_RD(bp, BNX2_CTX_COMMAND);
1783                 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
1784                         break;
1785                 udelay(2);
1786         }
1787         if (val & BNX2_CTX_COMMAND_MEM_INIT)
1788                 return -EBUSY;
1789
1790         for (i = 0; i < bp->ctx_pages; i++) {
1791                 int j;
1792
1793                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
1794                        (bp->ctx_blk_mapping[i] & 0xffffffff) |
1795                        BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
1796                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
1797                        (u64) bp->ctx_blk_mapping[i] >> 32);
1798                 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
1799                        BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
1800                 for (j = 0; j < 10; j++) {
1801
1802                         val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
1803                         if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
1804                                 break;
1805                         udelay(5);
1806                 }
1807                 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
1808                         ret = -EBUSY;
1809                         break;
1810                 }
1811         }
1812         return ret;
1813 }
1814
1815 static void
1816 bnx2_init_context(struct bnx2 *bp)
1817 {
1818         u32 vcid;
1819
1820         vcid = 96;
1821         while (vcid) {
1822                 u32 vcid_addr, pcid_addr, offset;
1823                 int i;
1824
1825                 vcid--;
1826
1827                 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
1828                         u32 new_vcid;
1829
1830                         vcid_addr = GET_PCID_ADDR(vcid);
1831                         if (vcid & 0x8) {
1832                                 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
1833                         }
1834                         else {
1835                                 new_vcid = vcid;
1836                         }
1837                         pcid_addr = GET_PCID_ADDR(new_vcid);
1838                 }
1839                 else {
1840                         vcid_addr = GET_CID_ADDR(vcid);
1841                         pcid_addr = vcid_addr;
1842                 }
1843
1844                 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
1845                         vcid_addr += (i << PHY_CTX_SHIFT);
1846                         pcid_addr += (i << PHY_CTX_SHIFT);
1847
1848                         REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
1849                         REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1850
1851                         /* Zero out the context. */
1852                         for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
1853                                 CTX_WR(bp, 0x00, offset, 0);
1854
1855                         REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
1856                         REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
1857                 }
1858         }
1859 }
1860
1861 static int
1862 bnx2_alloc_bad_rbuf(struct bnx2 *bp)
1863 {
1864         u16 *good_mbuf;
1865         u32 good_mbuf_cnt;
1866         u32 val;
1867
1868         good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
1869         if (good_mbuf == NULL) {
1870                 printk(KERN_ERR PFX "Failed to allocate memory in "
1871                                     "bnx2_alloc_bad_rbuf\n");
1872                 return -ENOMEM;
1873         }
1874
1875         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
1876                 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
1877
1878         good_mbuf_cnt = 0;
1879
1880         /* Allocate a bunch of mbufs and save the good ones in an array. */
1881         val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1882         while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
1883                 REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);
1884
1885                 val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);
1886
1887                 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
1888
1889                 /* The addresses with Bit 9 set are bad memory blocks. */
1890                 if (!(val & (1 << 9))) {
1891                         good_mbuf[good_mbuf_cnt] = (u16) val;
1892                         good_mbuf_cnt++;
1893                 }
1894
1895                 val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
1896         }
1897
1898         /* Free the good ones back to the mbuf pool thus discarding
1899          * all the bad ones. */
1900         while (good_mbuf_cnt) {
1901                 good_mbuf_cnt--;
1902
1903                 val = good_mbuf[good_mbuf_cnt];
1904                 val = (val << 9) | val | 1;
1905
1906                 REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
1907         }
1908         kfree(good_mbuf);
1909         return 0;
1910 }
1911
1912 static void
1913 bnx2_set_mac_addr(struct bnx2 *bp)
1914 {
1915         u32 val;
1916         u8 *mac_addr = bp->dev->dev_addr;
1917
1918         val = (mac_addr[0] << 8) | mac_addr[1];
1919
1920         REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
1921
1922         val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
1923                 (mac_addr[4] << 8) | mac_addr[5];
1924
1925         REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
1926 }
1927
1928 static inline int
1929 bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
1930 {
1931         struct sk_buff *skb;
1932         struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
1933         dma_addr_t mapping;
1934         struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
1935         unsigned long align;
1936
1937         skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1938         if (skb == NULL) {
1939                 return -ENOMEM;
1940         }
1941
1942         if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
1943                 skb_reserve(skb, BNX2_RX_ALIGN - align);
1944
1945         mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1946                 PCI_DMA_FROMDEVICE);
1947
1948         rx_buf->skb = skb;
1949         pci_unmap_addr_set(rx_buf, mapping, mapping);
1950
1951         rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
1952         rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
1953
1954         bp->rx_prod_bseq += bp->rx_buf_use_size;
1955
1956         return 0;
1957 }
1958
1959 static int
1960 bnx2_phy_event_is_set(struct bnx2 *bp, u32 event)
1961 {
1962         struct status_block *sblk = bp->status_blk;
1963         u32 new_link_state, old_link_state;
1964         int is_set = 1;
1965
1966         new_link_state = sblk->status_attn_bits & event;
1967         old_link_state = sblk->status_attn_bits_ack & event;
1968         if (new_link_state != old_link_state) {
1969                 if (new_link_state)
1970                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
1971                 else
1972                         REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
1973         } else
1974                 is_set = 0;
1975
1976         return is_set;
1977 }
1978
1979 static void
1980 bnx2_phy_int(struct bnx2 *bp)
1981 {
1982         if (bnx2_phy_event_is_set(bp, STATUS_ATTN_BITS_LINK_STATE)) {
1983                 spin_lock(&bp->phy_lock);
1984                 bnx2_set_link(bp);
1985                 spin_unlock(&bp->phy_lock);
1986         }
1987 }
1988
1989 static void
1990 bnx2_tx_int(struct bnx2 *bp)
1991 {
1992         struct status_block *sblk = bp->status_blk;
1993         u16 hw_cons, sw_cons, sw_ring_cons;
1994         int tx_free_bd = 0;
1995
1996         hw_cons = bp->hw_tx_cons = sblk->status_tx_quick_consumer_index0;
1997         if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
1998                 hw_cons++;
1999         }
2000         sw_cons = bp->tx_cons;
2001
2002         while (sw_cons != hw_cons) {
2003                 struct sw_bd *tx_buf;
2004                 struct sk_buff *skb;
2005                 int i, last;
2006
2007                 sw_ring_cons = TX_RING_IDX(sw_cons);
2008
2009                 tx_buf = &bp->tx_buf_ring[sw_ring_cons];
2010                 skb = tx_buf->skb;
2011
2012                 /* partial BD completions possible with TSO packets */
2013                 if (skb_is_gso(skb)) {
2014                         u16 last_idx, last_ring_idx;
2015
2016                         last_idx = sw_cons +
2017                                 skb_shinfo(skb)->nr_frags + 1;
2018                         last_ring_idx = sw_ring_cons +
2019                                 skb_shinfo(skb)->nr_frags + 1;
2020                         if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2021                                 last_idx++;
2022                         }
2023                         if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2024                                 break;
2025                         }
2026                 }
2027
2028                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
2029                         skb_headlen(skb), PCI_DMA_TODEVICE);
2030
2031                 tx_buf->skb = NULL;
2032                 last = skb_shinfo(skb)->nr_frags;
2033
2034                 for (i = 0; i < last; i++) {
2035                         sw_cons = NEXT_TX_BD(sw_cons);
2036
2037                         pci_unmap_page(bp->pdev,
2038                                 pci_unmap_addr(
2039                                         &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
2040                                         mapping),
2041                                 skb_shinfo(skb)->frags[i].size,
2042                                 PCI_DMA_TODEVICE);
2043                 }
2044
2045                 sw_cons = NEXT_TX_BD(sw_cons);
2046
2047                 tx_free_bd += last + 1;
2048
2049                 dev_kfree_skb(skb);
2050
2051                 hw_cons = bp->hw_tx_cons =
2052                         sblk->status_tx_quick_consumer_index0;
2053
2054                 if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
2055                         hw_cons++;
2056                 }
2057         }
2058
2059         bp->tx_cons = sw_cons;
2060         /* Need to make the tx_cons update visible to bnx2_start_xmit()
2061          * before checking for netif_queue_stopped().  Without the
2062          * memory barrier, there is a small possibility that bnx2_start_xmit()
2063          * will miss it and cause the queue to be stopped forever.
2064          */
2065         smp_mb();
2066
2067         if (unlikely(netif_queue_stopped(bp->dev)) &&
2068                      (bnx2_tx_avail(bp) > bp->tx_wake_thresh)) {
2069                 netif_tx_lock(bp->dev);
2070                 if ((netif_queue_stopped(bp->dev)) &&
2071                     (bnx2_tx_avail(bp) > bp->tx_wake_thresh))
2072                         netif_wake_queue(bp->dev);
2073                 netif_tx_unlock(bp->dev);
2074         }
2075 }
2076
2077 static inline void
2078 bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
2079         u16 cons, u16 prod)
2080 {
2081         struct sw_bd *cons_rx_buf, *prod_rx_buf;
2082         struct rx_bd *cons_bd, *prod_bd;
2083
2084         cons_rx_buf = &bp->rx_buf_ring[cons];
2085         prod_rx_buf = &bp->rx_buf_ring[prod];
2086
2087         pci_dma_sync_single_for_device(bp->pdev,
2088                 pci_unmap_addr(cons_rx_buf, mapping),
2089                 bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2090
2091         bp->rx_prod_bseq += bp->rx_buf_use_size;
2092
2093         prod_rx_buf->skb = skb;
2094
2095         if (cons == prod)
2096                 return;
2097
2098         pci_unmap_addr_set(prod_rx_buf, mapping,
2099                         pci_unmap_addr(cons_rx_buf, mapping));
2100
2101         cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2102         prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2103         prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2104         prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2105 }
2106
2107 static int
2108 bnx2_rx_int(struct bnx2 *bp, int budget)
2109 {
2110         struct status_block *sblk = bp->status_blk;
2111         u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
2112         struct l2_fhdr *rx_hdr;
2113         int rx_pkt = 0;
2114
2115         hw_cons = bp->hw_rx_cons = sblk->status_rx_quick_consumer_index0;
2116         if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
2117                 hw_cons++;
2118         }
2119         sw_cons = bp->rx_cons;
2120         sw_prod = bp->rx_prod;
2121
2122         /* Memory barrier necessary as speculative reads of the rx
2123          * buffer can be ahead of the index in the status block
2124          */
2125         rmb();
2126         while (sw_cons != hw_cons) {
2127                 unsigned int len;
2128                 u32 status;
2129                 struct sw_bd *rx_buf;
2130                 struct sk_buff *skb;
2131                 dma_addr_t dma_addr;
2132
2133                 sw_ring_cons = RX_RING_IDX(sw_cons);
2134                 sw_ring_prod = RX_RING_IDX(sw_prod);
2135
2136                 rx_buf = &bp->rx_buf_ring[sw_ring_cons];
2137                 skb = rx_buf->skb;
2138
2139                 rx_buf->skb = NULL;
2140
2141                 dma_addr = pci_unmap_addr(rx_buf, mapping);
2142
2143                 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2144                         bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
2145
2146                 rx_hdr = (struct l2_fhdr *) skb->data;
2147                 len = rx_hdr->l2_fhdr_pkt_len - 4;
2148
2149                 if ((status = rx_hdr->l2_fhdr_status) &
2150                         (L2_FHDR_ERRORS_BAD_CRC |
2151                         L2_FHDR_ERRORS_PHY_DECODE |
2152                         L2_FHDR_ERRORS_ALIGNMENT |
2153                         L2_FHDR_ERRORS_TOO_SHORT |
2154                         L2_FHDR_ERRORS_GIANT_FRAME)) {
2155
2156                         goto reuse_rx;
2157                 }
2158
2159                 /* Since we don't have a jumbo ring, copy small packets
2160                  * if mtu > 1500
2161                  */
2162                 if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
2163                         struct sk_buff *new_skb;
2164
2165                         new_skb = netdev_alloc_skb(bp->dev, len + 2);
2166                         if (new_skb == NULL)
2167                                 goto reuse_rx;
2168
2169                         /* aligned copy */
2170                         skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
2171                                       new_skb->data, len + 2);
2172                         skb_reserve(new_skb, 2);
2173                         skb_put(new_skb, len);
2174
2175                         bnx2_reuse_rx_skb(bp, skb,
2176                                 sw_ring_cons, sw_ring_prod);
2177
2178                         skb = new_skb;
2179                 }
2180                 else if (bnx2_alloc_rx_skb(bp, sw_ring_prod) == 0) {
2181                         pci_unmap_single(bp->pdev, dma_addr,
2182                                 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
2183
2184                         skb_reserve(skb, bp->rx_offset);
2185                         skb_put(skb, len);
2186                 }
2187                 else {
2188 reuse_rx:
2189                         bnx2_reuse_rx_skb(bp, skb,
2190                                 sw_ring_cons, sw_ring_prod);
2191                         goto next_rx;
2192                 }
2193
2194                 skb->protocol = eth_type_trans(skb, bp->dev);
2195
2196                 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
2197                         (ntohs(skb->protocol) != 0x8100)) {
2198
2199                         dev_kfree_skb(skb);
2200                         goto next_rx;
2201
2202                 }
2203
2204                 skb->ip_summed = CHECKSUM_NONE;
2205                 if (bp->rx_csum &&
2206                         (status & (L2_FHDR_STATUS_TCP_SEGMENT |
2207                         L2_FHDR_STATUS_UDP_DATAGRAM))) {
2208
2209                         if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
2210                                               L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2211                                 skb->ip_summed = CHECKSUM_UNNECESSARY;
2212                 }
2213
2214 #ifdef BCM_VLAN
2215                 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
2216                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
2217                                 rx_hdr->l2_fhdr_vlan_tag);
2218                 }
2219                 else
2220 #endif
2221                         netif_receive_skb(skb);
2222
2223                 bp->dev->last_rx = jiffies;
2224                 rx_pkt++;
2225
2226 next_rx:
2227                 sw_cons = NEXT_RX_BD(sw_cons);
2228                 sw_prod = NEXT_RX_BD(sw_prod);
2229
2230                 if ((rx_pkt == budget))
2231                         break;
2232
2233                 /* Refresh hw_cons to see if there is new work */
2234                 if (sw_cons == hw_cons) {
2235                         hw_cons = bp->hw_rx_cons =
2236                                 sblk->status_rx_quick_consumer_index0;
2237                         if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT)
2238                                 hw_cons++;
2239                         rmb();
2240                 }
2241         }
2242         bp->rx_cons = sw_cons;
2243         bp->rx_prod = sw_prod;
2244
2245         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
2246
2247         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
2248
2249         mmiowb();
2250
2251         return rx_pkt;
2252
2253 }
2254
2255 /* MSI ISR - The only difference between this and the INTx ISR
2256  * is that the MSI interrupt is always serviced.
2257  */
2258 static irqreturn_t
2259 bnx2_msi(int irq, void *dev_instance)
2260 {
2261         struct net_device *dev = dev_instance;
2262         struct bnx2 *bp = netdev_priv(dev);
2263
2264         prefetch(bp->status_blk);
2265         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2266                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2267                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2268
2269         /* Return here if interrupt is disabled. */
2270         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2271                 return IRQ_HANDLED;
2272
2273         netif_rx_schedule(dev);
2274
2275         return IRQ_HANDLED;
2276 }
2277
2278 static irqreturn_t
2279 bnx2_msi_1shot(int irq, void *dev_instance)
2280 {
2281         struct net_device *dev = dev_instance;
2282         struct bnx2 *bp = netdev_priv(dev);
2283
2284         prefetch(bp->status_blk);
2285
2286         /* Return here if interrupt is disabled. */
2287         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2288                 return IRQ_HANDLED;
2289
2290         netif_rx_schedule(dev);
2291
2292         return IRQ_HANDLED;
2293 }
2294
2295 static irqreturn_t
2296 bnx2_interrupt(int irq, void *dev_instance)
2297 {
2298         struct net_device *dev = dev_instance;
2299         struct bnx2 *bp = netdev_priv(dev);
2300
2301         /* When using INTx, it is possible for the interrupt to arrive
2302          * at the CPU before the status block posted prior to the
2303          * interrupt. Reading a register will flush the status block.
2304          * When using MSI, the MSI message will always complete after
2305          * the status block write.
2306          */
2307         if ((bp->status_blk->status_idx == bp->last_status_idx) &&
2308             (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
2309              BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2310                 return IRQ_NONE;
2311
2312         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2313                 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
2314                 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
2315
2316         /* Return here if interrupt is shared and is disabled. */
2317         if (unlikely(atomic_read(&bp->intr_sem) != 0))
2318                 return IRQ_HANDLED;
2319
2320         netif_rx_schedule(dev);
2321
2322         return IRQ_HANDLED;
2323 }
2324
2325 #define STATUS_ATTN_EVENTS      STATUS_ATTN_BITS_LINK_STATE
2326
2327 static inline int
2328 bnx2_has_work(struct bnx2 *bp)
2329 {
2330         struct status_block *sblk = bp->status_blk;
2331
2332         if ((sblk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) ||
2333             (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons))
2334                 return 1;
2335
2336         if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
2337             (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
2338                 return 1;
2339
2340         return 0;
2341 }
2342
2343 static int
2344 bnx2_poll(struct net_device *dev, int *budget)
2345 {
2346         struct bnx2 *bp = netdev_priv(dev);
2347         struct status_block *sblk = bp->status_blk;
2348         u32 status_attn_bits = sblk->status_attn_bits;
2349         u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
2350
2351         if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
2352             (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
2353
2354                 bnx2_phy_int(bp);
2355
2356                 /* This is needed to take care of transient status
2357                  * during link changes.
2358                  */
2359                 REG_WR(bp, BNX2_HC_COMMAND,
2360                        bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
2361                 REG_RD(bp, BNX2_HC_COMMAND);
2362         }
2363
2364         if (bp->status_blk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)
2365                 bnx2_tx_int(bp);
2366
2367         if (bp->status_blk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) {
2368                 int orig_budget = *budget;
2369                 int work_done;
2370
2371                 if (orig_budget > dev->quota)
2372                         orig_budget = dev->quota;
2373
2374                 work_done = bnx2_rx_int(bp, orig_budget);
2375                 *budget -= work_done;
2376                 dev->quota -= work_done;
2377         }
2378
2379         bp->last_status_idx = bp->status_blk->status_idx;
2380         rmb();
2381
2382         if (!bnx2_has_work(bp)) {
2383                 netif_rx_complete(dev);
2384                 if (likely(bp->flags & USING_MSI_FLAG)) {
2385                         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2386                                BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
2387                                bp->last_status_idx);
2388                         return 0;
2389                 }
2390                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2391                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
2392                        BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
2393                        bp->last_status_idx);
2394
2395                 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
2396                        BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
2397                        bp->last_status_idx);
2398                 return 0;
2399         }
2400
2401         return 1;
2402 }
2403
2404 /* Called with rtnl_lock from vlan functions and also netif_tx_lock
2405  * from set_multicast.
2406  */
2407 static void
2408 bnx2_set_rx_mode(struct net_device *dev)
2409 {
2410         struct bnx2 *bp = netdev_priv(dev);
2411         u32 rx_mode, sort_mode;
2412         int i;
2413
2414         spin_lock_bh(&bp->phy_lock);
2415
2416         rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
2417                                   BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
2418         sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
2419 #ifdef BCM_VLAN
2420         if (!bp->vlgrp && !(bp->flags & ASF_ENABLE_FLAG))
2421                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
2422 #else
2423         if (!(bp->flags & ASF_ENABLE_FLAG))
2424                 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
2425 #endif
2426         if (dev->flags & IFF_PROMISC) {
2427                 /* Promiscuous mode. */
2428                 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
2429                 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
2430                              BNX2_RPM_SORT_USER0_PROM_VLAN;
2431         }
2432         else if (dev->flags & IFF_ALLMULTI) {
2433                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2434                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2435                                0xffffffff);
2436                 }
2437                 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
2438         }
2439         else {
2440                 /* Accept one or more multicast(s). */
2441                 struct dev_mc_list *mclist;
2442                 u32 mc_filter[NUM_MC_HASH_REGISTERS];
2443                 u32 regidx;
2444                 u32 bit;
2445                 u32 crc;
2446
2447                 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
2448
2449                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
2450                      i++, mclist = mclist->next) {
2451
2452                         crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
2453                         bit = crc & 0xff;
2454                         regidx = (bit & 0xe0) >> 5;
2455                         bit &= 0x1f;
2456                         mc_filter[regidx] |= (1 << bit);
2457                 }
2458
2459                 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2460                         REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2461                                mc_filter[i]);
2462                 }
2463
2464                 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
2465         }
2466
2467         if (rx_mode != bp->rx_mode) {
2468                 bp->rx_mode = rx_mode;
2469                 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
2470         }
2471
2472         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
2473         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
2474         REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
2475
2476         spin_unlock_bh(&bp->phy_lock);
2477 }
2478
2479 #define FW_BUF_SIZE     0x8000
2480
2481 static int
2482 bnx2_gunzip_init(struct bnx2 *bp)
2483 {
2484         if ((bp->gunzip_buf = vmalloc(FW_BUF_SIZE)) == NULL)
2485                 goto gunzip_nomem1;
2486
2487         if ((bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL)) == NULL)
2488                 goto gunzip_nomem2;
2489
2490         bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL);
2491         if (bp->strm->workspace == NULL)
2492                 goto gunzip_nomem3;
2493
2494         return 0;
2495
2496 gunzip_nomem3:
2497         kfree(bp->strm);
2498         bp->strm = NULL;
2499
2500 gunzip_nomem2:
2501         vfree(bp->gunzip_buf);
2502         bp->gunzip_buf = NULL;
2503
2504 gunzip_nomem1:
2505         printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for "
2506                             "uncompression.\n", bp->dev->name);
2507         return -ENOMEM;
2508 }
2509
2510 static void
2511 bnx2_gunzip_end(struct bnx2 *bp)
2512 {
2513         kfree(bp->strm->workspace);
2514
2515         kfree(bp->strm);
2516         bp->strm = NULL;
2517
2518         if (bp->gunzip_buf) {
2519                 vfree(bp->gunzip_buf);
2520                 bp->gunzip_buf = NULL;
2521         }
2522 }
2523
2524 static int
2525 bnx2_gunzip(struct bnx2 *bp, u8 *zbuf, int len, void **outbuf, int *outlen)
2526 {
2527         int n, rc;
2528
2529         /* check gzip header */
2530         if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
2531                 return -EINVAL;
2532
2533         n = 10;
2534
2535 #define FNAME   0x8
2536         if (zbuf[3] & FNAME)
2537                 while ((zbuf[n++] != 0) && (n < len));
2538
2539         bp->strm->next_in = zbuf + n;
2540         bp->strm->avail_in = len - n;
2541         bp->strm->next_out = bp->gunzip_buf;
2542         bp->strm->avail_out = FW_BUF_SIZE;
2543
2544         rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
2545         if (rc != Z_OK)
2546                 return rc;
2547
2548         rc = zlib_inflate(bp->strm, Z_FINISH);
2549
2550         *outlen = FW_BUF_SIZE - bp->strm->avail_out;
2551         *outbuf = bp->gunzip_buf;
2552
2553         if ((rc != Z_OK) && (rc != Z_STREAM_END))
2554                 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
2555                        bp->dev->name, bp->strm->msg);
2556
2557         zlib_inflateEnd(bp->strm);
2558
2559         if (rc == Z_STREAM_END)
2560                 return 0;
2561
2562         return rc;
2563 }
2564
2565 static void
2566 load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
2567         u32 rv2p_proc)
2568 {
2569         int i;
2570         u32 val;
2571
2572
2573         for (i = 0; i < rv2p_code_len; i += 8) {
2574                 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, cpu_to_le32(*rv2p_code));
2575                 rv2p_code++;
2576                 REG_WR(bp, BNX2_RV2P_INSTR_LOW, cpu_to_le32(*rv2p_code));
2577                 rv2p_code++;
2578
2579                 if (rv2p_proc == RV2P_PROC1) {
2580                         val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
2581                         REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
2582                 }
2583                 else {
2584                         val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
2585                         REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
2586                 }
2587         }
2588
2589         /* Reset the processor, un-stall is done later. */
2590         if (rv2p_proc == RV2P_PROC1) {
2591                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
2592         }
2593         else {
2594                 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
2595         }
2596 }
2597
2598 static int
2599 load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
2600 {
2601         u32 offset;
2602         u32 val;
2603         int rc;
2604
2605         /* Halt the CPU. */
2606         val = REG_RD_IND(bp, cpu_reg->mode);
2607         val |= cpu_reg->mode_value_halt;
2608         REG_WR_IND(bp, cpu_reg->mode, val);
2609         REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
2610
2611         /* Load the Text area. */
2612         offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
2613         if (fw->gz_text) {
2614                 u32 text_len;
2615                 void *text;
2616
2617                 rc = bnx2_gunzip(bp, fw->gz_text, fw->gz_text_len, &text,
2618                                  &text_len);
2619                 if (rc)
2620                         return rc;
2621
2622                 fw->text = text;
2623         }
2624         if (fw->gz_text) {
2625                 int j;
2626
2627                 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
2628                         REG_WR_IND(bp, offset, cpu_to_le32(fw->text[j]));
2629                 }
2630         }
2631
2632         /* Load the Data area. */
2633         offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
2634         if (fw->data) {
2635                 int j;
2636
2637                 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
2638                         REG_WR_IND(bp, offset, fw->data[j]);
2639                 }
2640         }
2641
2642         /* Load the SBSS area. */
2643         offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
2644         if (fw->sbss) {
2645                 int j;
2646
2647                 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
2648                         REG_WR_IND(bp, offset, fw->sbss[j]);
2649                 }
2650         }
2651
2652         /* Load the BSS area. */
2653         offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
2654         if (fw->bss) {
2655                 int j;
2656
2657                 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
2658                         REG_WR_IND(bp, offset, fw->bss[j]);
2659                 }
2660         }
2661
2662         /* Load the Read-Only area. */
2663         offset = cpu_reg->spad_base +
2664                 (fw->rodata_addr - cpu_reg->mips_view_base);
2665         if (fw->rodata) {
2666                 int j;
2667
2668                 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
2669                         REG_WR_IND(bp, offset, fw->rodata[j]);
2670                 }
2671         }
2672
2673         /* Clear the pre-fetch instruction. */
2674         REG_WR_IND(bp, cpu_reg->inst, 0);
2675         REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);
2676
2677         /* Start the CPU. */
2678         val = REG_RD_IND(bp, cpu_reg->mode);
2679         val &= ~cpu_reg->mode_value_halt;
2680         REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
2681         REG_WR_IND(bp, cpu_reg->mode, val);
2682
2683         return 0;
2684 }
2685
2686 static int
2687 bnx2_init_cpus(struct bnx2 *bp)
2688 {
2689         struct cpu_reg cpu_reg;
2690         struct fw_info *fw;
2691         int rc = 0;
2692         void *text;
2693         u32 text_len;
2694
2695         if ((rc = bnx2_gunzip_init(bp)) != 0)
2696                 return rc;
2697
2698         /* Initialize the RV2P processor. */
2699         rc = bnx2_gunzip(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), &text,
2700                          &text_len);
2701         if (rc)
2702                 goto init_cpu_err;
2703
2704         load_rv2p_fw(bp, text, text_len, RV2P_PROC1);
2705
2706         rc = bnx2_gunzip(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), &text,
2707                          &text_len);
2708         if (rc)
2709                 goto init_cpu_err;
2710
2711         load_rv2p_fw(bp, text, text_len, RV2P_PROC2);
2712
2713         /* Initialize the RX Processor. */
2714         cpu_reg.mode = BNX2_RXP_CPU_MODE;
2715         cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
2716         cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
2717         cpu_reg.state = BNX2_RXP_CPU_STATE;
2718         cpu_reg.state_value_clear = 0xffffff;
2719         cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
2720         cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
2721         cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
2722         cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
2723         cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
2724         cpu_reg.spad_base = BNX2_RXP_SCRATCH;
2725         cpu_reg.mips_view_base = 0x8000000;
2726
2727         if (CHIP_NUM(bp) == CHIP_NUM_5709)
2728                 fw = &bnx2_rxp_fw_09;
2729         else
2730                 fw = &bnx2_rxp_fw_06;
2731
2732         rc = load_cpu_fw(bp, &cpu_reg, fw);
2733         if (rc)
2734                 goto init_cpu_err;
2735
2736         /* Initialize the TX Processor. */
2737         cpu_reg.mode = BNX2_TXP_CPU_MODE;
2738         cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
2739         cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
2740         cpu_reg.state = BNX2_TXP_CPU_STATE;
2741         cpu_reg.state_value_clear = 0xffffff;
2742         cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
2743         cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
2744         cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
2745         cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
2746         cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
2747         cpu_reg.spad_base = BNX2_TXP_SCRATCH;
2748         cpu_reg.mips_view_base = 0x8000000;
2749
2750         if (CHIP_NUM(bp) == CHIP_NUM_5709)
2751                 fw = &bnx2_txp_fw_09;
2752         else
2753                 fw = &bnx2_txp_fw_06;
2754
2755         rc = load_cpu_fw(bp, &cpu_reg, fw);
2756         if (rc)
2757                 goto init_cpu_err;
2758
2759         /* Initialize the TX Patch-up Processor. */
2760         cpu_reg.mode = BNX2_TPAT_CPU_MODE;
2761         cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
2762         cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
2763         cpu_reg.state = BNX2_TPAT_CPU_STATE;
2764         cpu_reg.state_value_clear = 0xffffff;
2765         cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
2766         cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
2767         cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
2768         cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
2769         cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
2770         cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
2771         cpu_reg.mips_view_base = 0x8000000;
2772
2773         if (CHIP_NUM(bp) == CHIP_NUM_5709)
2774                 fw = &bnx2_tpat_fw_09;
2775         else
2776                 fw = &bnx2_tpat_fw_06;
2777
2778         rc = load_cpu_fw(bp, &cpu_reg, fw);
2779         if (rc)
2780                 goto init_cpu_err;
2781
2782         /* Initialize the Completion Processor. */
2783         cpu_reg.mode = BNX2_COM_CPU_MODE;
2784         cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
2785         cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
2786         cpu_reg.state = BNX2_COM_CPU_STATE;
2787         cpu_reg.state_value_clear = 0xffffff;
2788         cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
2789         cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
2790         cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
2791         cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
2792         cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
2793         cpu_reg.spad_base = BNX2_COM_SCRATCH;
2794         cpu_reg.mips_view_base = 0x8000000;
2795
2796         if (CHIP_NUM(bp) == CHIP_NUM_5709)
2797                 fw = &bnx2_com_fw_09;
2798         else
2799                 fw = &bnx2_com_fw_06;
2800
2801         rc = load_cpu_fw(bp, &cpu_reg, fw);
2802         if (rc)
2803                 goto init_cpu_err;
2804
2805         /* Initialize the Command Processor. */
2806         cpu_reg.mode = BNX2_CP_CPU_MODE;
2807         cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
2808         cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
2809         cpu_reg.state = BNX2_CP_CPU_STATE;
2810         cpu_reg.state_value_clear = 0xffffff;
2811         cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
2812         cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
2813         cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
2814         cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
2815         cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
2816         cpu_reg.spad_base = BNX2_CP_SCRATCH;
2817         cpu_reg.mips_view_base = 0x8000000;
2818
2819         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
2820                 fw = &bnx2_cp_fw_09;
2821
2822                 rc = load_cpu_fw(bp, &cpu_reg, fw);
2823                 if (rc)
2824                         goto init_cpu_err;
2825         }
2826 init_cpu_err:
2827         bnx2_gunzip_end(bp);
2828         return rc;
2829 }
2830
2831 static int
2832 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
2833 {
2834         u16 pmcsr;
2835
2836         pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
2837
2838         switch (state) {
2839         case PCI_D0: {
2840                 u32 val;
2841
2842                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2843                         (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
2844                         PCI_PM_CTRL_PME_STATUS);
2845
2846                 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
2847                         /* delay required during transition out of D3hot */
2848                         msleep(20);
2849
2850                 val = REG_RD(bp, BNX2_EMAC_MODE);
2851                 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
2852                 val &= ~BNX2_EMAC_MODE_MPKT;
2853                 REG_WR(bp, BNX2_EMAC_MODE, val);
2854
2855                 val = REG_RD(bp, BNX2_RPM_CONFIG);
2856                 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2857                 REG_WR(bp, BNX2_RPM_CONFIG, val);
2858                 break;
2859         }
2860         case PCI_D3hot: {
2861                 int i;
2862                 u32 val, wol_msg;
2863
2864                 if (bp->wol) {
2865                         u32 advertising;
2866                         u8 autoneg;
2867
2868                         autoneg = bp->autoneg;
2869                         advertising = bp->advertising;
2870
2871                         bp->autoneg = AUTONEG_SPEED;
2872                         bp->advertising = ADVERTISED_10baseT_Half |
2873                                 ADVERTISED_10baseT_Full |
2874                                 ADVERTISED_100baseT_Half |
2875                                 ADVERTISED_100baseT_Full |
2876                                 ADVERTISED_Autoneg;
2877
2878                         bnx2_setup_copper_phy(bp);
2879
2880                         bp->autoneg = autoneg;
2881                         bp->advertising = advertising;
2882
2883                         bnx2_set_mac_addr(bp);
2884
2885                         val = REG_RD(bp, BNX2_EMAC_MODE);
2886
2887                         /* Enable port mode. */
2888                         val &= ~BNX2_EMAC_MODE_PORT;
2889                         val |= BNX2_EMAC_MODE_PORT_MII |
2890                                BNX2_EMAC_MODE_MPKT_RCVD |
2891                                BNX2_EMAC_MODE_ACPI_RCVD |
2892                                BNX2_EMAC_MODE_MPKT;
2893
2894                         REG_WR(bp, BNX2_EMAC_MODE, val);
2895
2896                         /* receive all multicast */
2897                         for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
2898                                 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
2899                                        0xffffffff);
2900                         }
2901                         REG_WR(bp, BNX2_EMAC_RX_MODE,
2902                                BNX2_EMAC_RX_MODE_SORT_MODE);
2903
2904                         val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
2905                               BNX2_RPM_SORT_USER0_MC_EN;
2906                         REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
2907                         REG_WR(bp, BNX2_RPM_SORT_USER0, val);
2908                         REG_WR(bp, BNX2_RPM_SORT_USER0, val |
2909                                BNX2_RPM_SORT_USER0_ENA);
2910
2911                         /* Need to enable EMAC and RPM for WOL. */
2912                         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2913                                BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
2914                                BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
2915                                BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
2916
2917                         val = REG_RD(bp, BNX2_RPM_CONFIG);
2918                         val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
2919                         REG_WR(bp, BNX2_RPM_CONFIG, val);
2920
2921                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
2922                 }
2923                 else {
2924                         wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
2925                 }
2926
2927                 if (!(bp->flags & NO_WOL_FLAG))
2928                         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
2929
2930                 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
2931                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
2932                     (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
2933
2934                         if (bp->wol)
2935                                 pmcsr |= 3;
2936                 }
2937                 else {
2938                         pmcsr |= 3;
2939                 }
2940                 if (bp->wol) {
2941                         pmcsr |= PCI_PM_CTRL_PME_ENABLE;
2942                 }
2943                 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
2944                                       pmcsr);
2945
2946                 /* No more memory access after this point until
2947                  * device is brought back to D0.
2948                  */
2949                 udelay(50);
2950                 break;
2951         }
2952         default:
2953                 return -EINVAL;
2954         }
2955         return 0;
2956 }
2957
2958 static int
2959 bnx2_acquire_nvram_lock(struct bnx2 *bp)
2960 {
2961         u32 val;
2962         int j;
2963
2964         /* Request access to the flash interface. */
2965         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
2966         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2967                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2968                 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
2969                         break;
2970
2971                 udelay(5);
2972         }
2973
2974         if (j >= NVRAM_TIMEOUT_COUNT)
2975                 return -EBUSY;
2976
2977         return 0;
2978 }
2979
2980 static int
2981 bnx2_release_nvram_lock(struct bnx2 *bp)
2982 {
2983         int j;
2984         u32 val;
2985
2986         /* Relinquish nvram interface. */
2987         REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
2988
2989         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
2990                 val = REG_RD(bp, BNX2_NVM_SW_ARB);
2991                 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
2992                         break;
2993
2994                 udelay(5);
2995         }
2996
2997         if (j >= NVRAM_TIMEOUT_COUNT)
2998                 return -EBUSY;
2999
3000         return 0;
3001 }
3002
3003
3004 static int
3005 bnx2_enable_nvram_write(struct bnx2 *bp)
3006 {
3007         u32 val;
3008
3009         val = REG_RD(bp, BNX2_MISC_CFG);
3010         REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
3011
3012         if (!bp->flash_info->buffered) {
3013                 int j;
3014
3015                 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3016                 REG_WR(bp, BNX2_NVM_COMMAND,
3017                        BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
3018
3019                 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3020                         udelay(5);
3021
3022                         val = REG_RD(bp, BNX2_NVM_COMMAND);
3023                         if (val & BNX2_NVM_COMMAND_DONE)
3024                                 break;
3025                 }
3026
3027                 if (j >= NVRAM_TIMEOUT_COUNT)
3028                         return -EBUSY;
3029         }
3030         return 0;
3031 }
3032
3033 static void
3034 bnx2_disable_nvram_write(struct bnx2 *bp)
3035 {
3036         u32 val;
3037
3038         val = REG_RD(bp, BNX2_MISC_CFG);
3039         REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
3040 }
3041
3042
3043 static void
3044 bnx2_enable_nvram_access(struct bnx2 *bp)
3045 {
3046         u32 val;
3047
3048         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3049         /* Enable both bits, even on read. */
3050         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3051                val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
3052 }
3053
3054 static void
3055 bnx2_disable_nvram_access(struct bnx2 *bp)
3056 {
3057         u32 val;
3058
3059         val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
3060         /* Disable both bits, even after read. */
3061         REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3062                 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
3063                         BNX2_NVM_ACCESS_ENABLE_WR_EN));
3064 }
3065
3066 static int
3067 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
3068 {
3069         u32 cmd;
3070         int j;
3071
3072         if (bp->flash_info->buffered)
3073                 /* Buffered flash, no erase needed */
3074                 return 0;
3075
3076         /* Build an erase command */
3077         cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
3078               BNX2_NVM_COMMAND_DOIT;
3079
3080         /* Need to clear DONE bit separately. */
3081         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3082
3083         /* Address of the NVRAM to read from. */
3084         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3085
3086         /* Issue an erase command. */
3087         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3088
3089         /* Wait for completion. */
3090         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3091                 u32 val;
3092
3093                 udelay(5);
3094
3095                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3096                 if (val & BNX2_NVM_COMMAND_DONE)
3097                         break;
3098         }
3099
3100         if (j >= NVRAM_TIMEOUT_COUNT)
3101                 return -EBUSY;
3102
3103         return 0;
3104 }
3105
3106 static int
3107 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
3108 {
3109         u32 cmd;
3110         int j;
3111
3112         /* Build the command word. */
3113         cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
3114
3115         /* Calculate an offset of a buffered flash. */
3116         if (bp->flash_info->buffered) {
3117                 offset = ((offset / bp->flash_info->page_size) <<
3118                            bp->flash_info->page_bits) +
3119                           (offset % bp->flash_info->page_size);
3120         }
3121
3122         /* Need to clear DONE bit separately. */
3123         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3124
3125         /* Address of the NVRAM to read from. */
3126         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3127
3128         /* Issue a read command. */
3129         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3130
3131         /* Wait for completion. */
3132         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3133                 u32 val;
3134
3135                 udelay(5);
3136
3137                 val = REG_RD(bp, BNX2_NVM_COMMAND);
3138                 if (val & BNX2_NVM_COMMAND_DONE) {
3139                         val = REG_RD(bp, BNX2_NVM_READ);
3140
3141                         val = be32_to_cpu(val);
3142                         memcpy(ret_val, &val, 4);
3143                         break;
3144                 }
3145         }
3146         if (j >= NVRAM_TIMEOUT_COUNT)
3147                 return -EBUSY;
3148
3149         return 0;
3150 }
3151
3152
3153 static int
3154 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
3155 {
3156         u32 cmd, val32;
3157         int j;
3158
3159         /* Build the command word. */
3160         cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
3161
3162         /* Calculate an offset of a buffered flash. */
3163         if (bp->flash_info->buffered) {
3164                 offset = ((offset / bp->flash_info->page_size) <<
3165                           bp->flash_info->page_bits) +
3166                          (offset % bp->flash_info->page_size);
3167         }
3168
3169         /* Need to clear DONE bit separately. */
3170         REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
3171
3172         memcpy(&val32, val, 4);
3173         val32 = cpu_to_be32(val32);
3174
3175         /* Write the data. */
3176         REG_WR(bp, BNX2_NVM_WRITE, val32);
3177
3178         /* Address of the NVRAM to write to. */
3179         REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
3180
3181         /* Issue the write command. */
3182         REG_WR(bp, BNX2_NVM_COMMAND, cmd);
3183
3184         /* Wait for completion. */
3185         for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3186                 udelay(5);
3187
3188                 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
3189                         break;
3190         }
3191         if (j >= NVRAM_TIMEOUT_COUNT)
3192                 return -EBUSY;
3193
3194         return 0;
3195 }
3196
3197 static int
3198 bnx2_init_nvram(struct bnx2 *bp)
3199 {
3200         u32 val;
3201         int j, entry_count, rc;
3202         struct flash_spec *flash;
3203
3204         /* Determine the selected interface. */
3205         val = REG_RD(bp, BNX2_NVM_CFG1);
3206
3207         entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
3208
3209         rc = 0;
3210         if (val & 0x40000000) {
3211
3212                 /* Flash interface has been reconfigured */
3213                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3214                      j++, flash++) {
3215                         if ((val & FLASH_BACKUP_STRAP_MASK) ==
3216                             (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3217                                 bp->flash_info = flash;
3218                                 break;
3219                         }
3220                 }
3221         }
3222         else {
3223                 u32 mask;
3224                 /* Not yet been reconfigured */
3225
3226                 if (val & (1 << 23))
3227                         mask = FLASH_BACKUP_STRAP_MASK;
3228                 else
3229                         mask = FLASH_STRAP_MASK;
3230
3231                 for (j = 0, flash = &flash_table[0]; j < entry_count;
3232                         j++, flash++) {
3233
3234                         if ((val & mask) == (flash->strapping & mask)) {
3235                                 bp->flash_info = flash;
3236
3237                                 /* Request access to the flash interface. */
3238                                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3239                                         return rc;
3240
3241                                 /* Enable access to flash interface */
3242                                 bnx2_enable_nvram_access(bp);
3243
3244                                 /* Reconfigure the flash interface */
3245                                 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
3246                                 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
3247                                 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
3248                                 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
3249
3250                                 /* Disable access to flash interface */
3251                                 bnx2_disable_nvram_access(bp);
3252                                 bnx2_release_nvram_lock(bp);
3253
3254                                 break;
3255                         }
3256                 }
3257         } /* if (val & 0x40000000) */
3258
3259         if (j == entry_count) {
3260                 bp->flash_info = NULL;
3261                 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
3262                 return -ENODEV;
3263         }
3264
3265         val = REG_RD_IND(bp, bp->shmem_base + BNX2_SHARED_HW_CFG_CONFIG2);
3266         val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
3267         if (val)
3268                 bp->flash_size = val;
3269         else
3270                 bp->flash_size = bp->flash_info->total_size;
3271
3272         return rc;
3273 }
3274
3275 static int
3276 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
3277                 int buf_size)
3278 {
3279         int rc = 0;
3280         u32 cmd_flags, offset32, len32, extra;
3281
3282         if (buf_size == 0)
3283                 return 0;
3284
3285         /* Request access to the flash interface. */
3286         if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3287                 return rc;
3288
3289         /* Enable access to flash interface */
3290         bnx2_enable_nvram_access(bp);
3291
3292         len32 = buf_size;
3293         offset32 = offset;
3294         extra = 0;
3295
3296         cmd_flags = 0;
3297
3298         if (offset32 & 3) {
3299                 u8 buf[4];
3300                 u32 pre_len;
3301
3302                 offset32 &= ~3;
3303                 pre_len = 4 - (offset & 3);
3304
3305                 if (pre_len >= len32) {
3306                         pre_len = len32;
3307                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
3308                                     BNX2_NVM_COMMAND_LAST;
3309                 }
3310                 else {
3311                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
3312                 }
3313
3314                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3315
3316                 if (rc)
3317                         return rc;
3318
3319                 memcpy(ret_buf, buf + (offset & 3), pre_len);
3320
3321                 offset32 += 4;
3322                 ret_buf += pre_len;
3323                 len32 -= pre_len;
3324         }
3325         if (len32 & 3) {
3326                 extra = 4 - (len32 & 3);
3327                 len32 = (len32 + 4) & ~3;
3328         }
3329
3330         if (len32 == 4) {
3331                 u8 buf[4];
3332
3333                 if (cmd_flags)
3334                         cmd_flags = BNX2_NVM_COMMAND_LAST;
3335                 else
3336                         cmd_flags = BNX2_NVM_COMMAND_FIRST |
3337                                     BNX2_NVM_COMMAND_LAST;
3338
3339                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3340
3341                 memcpy(ret_buf, buf, 4 - extra);
3342         }
3343         else if (len32 > 0) {
3344                 u8 buf[4];
3345
3346                 /* Read the first word. */
3347                 if (cmd_flags)
3348                         cmd_flags = 0;
3349                 else
3350                         cmd_flags = BNX2_NVM_COMMAND_FIRST;
3351
3352                 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
3353
3354                 /* Advance to the next dword. */
3355                 offset32 += 4;
3356                 ret_buf += 4;
3357                 len32 -= 4;
3358
3359                 while (len32 > 4 && rc == 0) {
3360                         rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
3361
3362                         /* Advance to the next dword. */
3363                         offset32 += 4;
3364                         ret_buf += 4;
3365                         len32 -= 4;
3366                 }
3367
3368                 if (rc)
3369                         return rc;
3370
3371                 cmd_flags = BNX2_NVM_COMMAND_LAST;
3372                 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
3373
3374                 memcpy(ret_buf, buf, 4 - extra);
3375         }
3376
3377         /* Disable access to flash interface */
3378         bnx2_disable_nvram_access(bp);
3379
3380         bnx2_release_nvram_lock(bp);
3381
3382         return rc;
3383 }
3384
3385 static int
3386 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
3387                 int buf_size)
3388 {
3389         u32 written, offset32, len32;
3390         u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
3391         int rc = 0;
3392         int align_start, align_end;
3393
3394         buf = data_buf;
3395         offset32 = offset;
3396         len32 = buf_size;
3397         align_start = align_end = 0;
3398
3399         if ((align_start = (offset32 & 3))) {
3400                 offset32 &= ~3;
3401                 len32 += align_start;
3402                 if (len32 < 4)
3403                         len32 = 4;
3404                 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
3405                         return rc;
3406         }
3407
3408         if (len32 & 3) {
3409                 align_end = 4 - (len32 & 3);
3410                 len32 += align_end;
3411                 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
3412                         return rc;
3413         }
3414
3415         if (align_start || align_end) {
3416                 align_buf = kmalloc(len32, GFP_KERNEL);
3417                 if (align_buf == NULL)
3418                         return -ENOMEM;
3419                 if (align_start) {
3420                         memcpy(align_buf, start, 4);
3421                 }
3422                 if (align_end) {
3423                         memcpy(align_buf + len32 - 4, end, 4);
3424                 }
3425                 memcpy(align_buf + align_start, data_buf, buf_size);
3426                 buf = align_buf;
3427         }
3428
3429         if (bp->flash_info->buffered == 0) {
3430                 flash_buffer = kmalloc(264, GFP_KERNEL);
3431                 if (flash_buffer == NULL) {
3432                         rc = -ENOMEM;
3433                         goto nvram_write_end;
3434                 }
3435         }
3436
3437         written = 0;
3438         while ((written < len32) && (rc == 0)) {
3439                 u32 page_start, page_end, data_start, data_end;
3440                 u32 addr, cmd_flags;
3441                 int i;
3442
3443                 /* Find the page_start addr */
3444                 page_start = offset32 + written;
3445                 page_start -= (page_start % bp->flash_info->page_size);
3446                 /* Find the page_end addr */
3447                 page_end = page_start + bp->flash_info->page_size;
3448                 /* Find the data_start addr */
3449                 data_start = (written == 0) ? offset32 : page_start;
3450                 /* Find the data_end addr */
3451                 data_end = (page_end > offset32 + len32) ?
3452                         (offset32 + len32) : page_end;
3453
3454                 /* Request access to the flash interface. */
3455                 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
3456                         goto nvram_write_end;
3457
3458                 /* Enable access to flash interface */
3459                 bnx2_enable_nvram_access(bp);
3460
3461                 cmd_flags = BNX2_NVM_COMMAND_FIRST;
3462                 if (bp->flash_info->buffered == 0) {
3463                         int j;
3464
3465                         /* Read the whole page into the buffer
3466                          * (non-buffer flash only) */
3467                         for (j = 0; j < bp->flash_info->page_size; j += 4) {
3468                                 if (j == (bp->flash_info->page_size - 4)) {
3469                                         cmd_flags |= BNX2_NVM_COMMAND_LAST;
3470                                 }
3471                                 rc = bnx2_nvram_read_dword(bp,
3472                                         page_start + j,
3473                                         &flash_buffer[j],
3474                                         cmd_flags);
3475
3476                                 if (rc)
3477                                         goto nvram_write_end;
3478
3479                                 cmd_flags = 0;
3480                         }
3481                 }
3482
3483                 /* Enable writes to flash interface (unlock write-protect) */
3484                 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
3485                         goto nvram_write_end;
3486
3487                 /* Loop to write back the buffer data from page_start to
3488                  * data_start */
3489                 i = 0;
3490                 if (bp->flash_info->buffered == 0) {
3491                         /* Erase the page */
3492                         if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
3493                                 goto nvram_write_end;
3494
3495                         /* Re-enable the write again for the actual write */
3496                         bnx2_enable_nvram_write(bp);
3497
3498                         for (addr = page_start; addr < data_start;
3499                                 addr += 4, i += 4) {
3500
3501                                 rc = bnx2_nvram_write_dword(bp, addr,
3502                                         &flash_buffer[i], cmd_flags);
3503
3504                                 if (rc != 0)
3505                                         goto nvram_write_end;
3506
3507                                 cmd_flags = 0;
3508                         }
3509                 }
3510
3511                 /* Loop to write the new data from data_start to data_end */
3512                 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
3513                         if ((addr == page_end - 4) ||
3514                                 ((bp->flash_info->buffered) &&
3515                                  (addr == data_end - 4))) {
3516
3517                                 cmd_flags |= BNX2_NVM_COMMAND_LAST;
3518                         }
3519                         rc = bnx2_nvram_write_dword(bp, addr, buf,
3520                                 cmd_flags);
3521
3522                         if (rc != 0)
3523                                 goto nvram_write_end;
3524
3525                         cmd_flags = 0;
3526                         buf += 4;
3527                 }
3528
3529                 /* Loop to write back the buffer data from data_end
3530                  * to page_end */
3531                 if (bp->flash_info->buffered == 0) {
3532                         for (addr = data_end; addr < page_end;
3533                                 addr += 4, i += 4) {
3534
3535                                 if (addr == page_end-4) {
3536                                         cmd_flags = BNX2_NVM_COMMAND_LAST;
3537                                 }
3538                                 rc = bnx2_nvram_write_dword(bp, addr,
3539                                         &flash_buffer[i], cmd_flags);
3540
3541                                 if (rc != 0)
3542                                         goto nvram_write_end;
3543
3544                                 cmd_flags = 0;
3545                         }
3546                 }
3547
3548                 /* Disable writes to flash interface (lock write-protect) */
3549                 bnx2_disable_nvram_write(bp);
3550
3551                 /* Disable access to flash interface */
3552                 bnx2_disable_nvram_access(bp);
3553                 bnx2_release_nvram_lock(bp);
3554
3555                 /* Increment written */
3556                 written += data_end - data_start;
3557         }
3558
3559 nvram_write_end:
3560         kfree(flash_buffer);
3561         kfree(align_buf);
3562         return rc;
3563 }
3564
3565 static int
3566 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
3567 {
3568         u32 val;
3569         int i, rc = 0;
3570
3571         /* Wait for the current PCI transaction to complete before
3572          * issuing a reset. */
3573         REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
3574                BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
3575                BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
3576                BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
3577                BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
3578         val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
3579         udelay(5);
3580
3581         /* Wait for the firmware to tell us it is ok to issue a reset. */
3582         bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
3583
3584         /* Deposit a driver reset signature so the firmware knows that
3585          * this is a soft reset. */
3586         REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
3587                    BNX2_DRV_RESET_SIGNATURE_MAGIC);
3588
3589         /* Do a dummy read to force the chip to complete all current transaction
3590          * before we issue a reset. */
3591         val = REG_RD(bp, BNX2_MISC_ID);
3592
3593         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3594                 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
3595                 REG_RD(bp, BNX2_MISC_COMMAND);
3596                 udelay(5);
3597
3598                 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
3599                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
3600
3601                 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
3602
3603         } else {
3604                 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3605                       BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
3606                       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
3607
3608                 /* Chip reset. */
3609                 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
3610
3611                 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3612                     (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3613                         current->state = TASK_UNINTERRUPTIBLE;
3614                         schedule_timeout(HZ / 50);
3615                 }
3616
3617                 /* Reset takes approximate 30 usec */
3618                 for (i = 0; i < 10; i++) {
3619                         val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
3620                         if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3621                                     BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
3622                                 break;
3623                         udelay(10);
3624                 }
3625
3626                 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3627                            BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
3628                         printk(KERN_ERR PFX "Chip reset did not complete\n");
3629                         return -EBUSY;
3630                 }
3631         }
3632
3633         /* Make sure byte swapping is properly configured. */
3634         val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
3635         if (val != 0x01020304) {
3636                 printk(KERN_ERR PFX "Chip not in correct endian mode\n");
3637                 return -ENODEV;
3638         }
3639
3640         /* Wait for the firmware to finish its initialization. */
3641         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
3642         if (rc)
3643                 return rc;
3644
3645         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
3646                 /* Adjust the voltage regular to two steps lower.  The default
3647                  * of this register is 0x0000000e. */
3648                 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
3649
3650                 /* Remove bad rbuf memory from the free pool. */
3651                 rc = bnx2_alloc_bad_rbuf(bp);
3652         }
3653
3654         return rc;
3655 }
3656
3657 static int
3658 bnx2_init_chip(struct bnx2 *bp)
3659 {
3660         u32 val;
3661         int rc;
3662
3663         /* Make sure the interrupt is not active. */
3664         REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3665
3666         val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
3667               BNX2_DMA_CONFIG_DATA_WORD_SWAP |
3668 #ifdef __BIG_ENDIAN
3669               BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
3670 #endif
3671               BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
3672               DMA_READ_CHANS << 12 |
3673               DMA_WRITE_CHANS << 16;
3674
3675         val |= (0x2 << 20) | (1 << 11);
3676
3677         if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz == 133))
3678                 val |= (1 << 23);
3679
3680         if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
3681             (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
3682                 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
3683
3684         REG_WR(bp, BNX2_DMA_CONFIG, val);
3685
3686         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
3687                 val = REG_RD(bp, BNX2_TDMA_CONFIG);
3688                 val |= BNX2_TDMA_CONFIG_ONE_DMA;
3689                 REG_WR(bp, BNX2_TDMA_CONFIG, val);
3690         }
3691
3692         if (bp->flags & PCIX_FLAG) {
3693                 u16 val16;
3694
3695                 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
3696                                      &val16);
3697                 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
3698                                       val16 & ~PCI_X_CMD_ERO);
3699         }
3700
3701         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3702                BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
3703                BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
3704                BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
3705
3706         /* Initialize context mapping and zero out the quick contexts.  The
3707          * context block must have already been enabled. */
3708         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3709                 rc = bnx2_init_5709_context(bp);
3710                 if (rc)
3711                         return rc;
3712         } else
3713                 bnx2_init_context(bp);
3714
3715         if ((rc = bnx2_init_cpus(bp)) != 0)
3716                 return rc;
3717
3718         bnx2_init_nvram(bp);
3719
3720         bnx2_set_mac_addr(bp);
3721
3722         val = REG_RD(bp, BNX2_MQ_CONFIG);
3723         val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
3724         val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
3725         if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
3726                 val |= BNX2_MQ_CONFIG_HALT_DIS;
3727
3728         REG_WR(bp, BNX2_MQ_CONFIG, val);
3729
3730         val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
3731         REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
3732         REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
3733
3734         val = (BCM_PAGE_BITS - 8) << 24;
3735         REG_WR(bp, BNX2_RV2P_CONFIG, val);
3736
3737         /* Configure page size. */
3738         val = REG_RD(bp, BNX2_TBDR_CONFIG);
3739         val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
3740         val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
3741         REG_WR(bp, BNX2_TBDR_CONFIG, val);
3742
3743         val = bp->mac_addr[0] +
3744               (bp->mac_addr[1] << 8) +
3745               (bp->mac_addr[2] << 16) +
3746               bp->mac_addr[3] +
3747               (bp->mac_addr[4] << 8) +
3748               (bp->mac_addr[5] << 16);
3749         REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
3750
3751         /* Program the MTU.  Also include 4 bytes for CRC32. */
3752         val = bp->dev->mtu + ETH_HLEN + 4;
3753         if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
3754                 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
3755         REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
3756
3757         bp->last_status_idx = 0;
3758         bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
3759
3760         /* Set up how to generate a link change interrupt. */
3761         REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
3762
3763         REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
3764                (u64) bp->status_blk_mapping & 0xffffffff);
3765         REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
3766
3767         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
3768                (u64) bp->stats_blk_mapping & 0xffffffff);
3769         REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
3770                (u64) bp->stats_blk_mapping >> 32);
3771
3772         REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
3773                (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
3774
3775         REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
3776                (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
3777
3778         REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
3779                (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
3780
3781         REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
3782
3783         REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
3784
3785         REG_WR(bp, BNX2_HC_COM_TICKS,
3786                (bp->com_ticks_int << 16) | bp->com_ticks);
3787
3788         REG_WR(bp, BNX2_HC_CMD_TICKS,
3789                (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
3790
3791         REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks & 0xffff00);
3792         REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */
3793
3794         if (CHIP_ID(bp) == CHIP_ID_5706_A1)
3795                 val = BNX2_HC_CONFIG_COLLECT_STATS;
3796         else {
3797                 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
3798                       BNX2_HC_CONFIG_COLLECT_STATS;
3799         }
3800
3801         if (bp->flags & ONE_SHOT_MSI_FLAG)
3802                 val |= BNX2_HC_CONFIG_ONE_SHOT;
3803
3804         REG_WR(bp, BNX2_HC_CONFIG, val);
3805
3806         /* Clear internal stats counters. */
3807         REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
3808
3809         REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
3810
3811         if (REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_FEATURE) &
3812             BNX2_PORT_FEATURE_ASF_ENABLED)
3813                 bp->flags |= ASF_ENABLE_FLAG;
3814
3815         /* Initialize the receive filter. */
3816         bnx2_set_rx_mode(bp->dev);
3817
3818         rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
3819                           0);
3820
3821         REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 0x5ffffff);
3822         REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
3823
3824         udelay(20);
3825
3826         bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
3827
3828         return rc;
3829 }
3830
3831 static void
3832 bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
3833 {
3834         u32 val, offset0, offset1, offset2, offset3;
3835
3836         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3837                 offset0 = BNX2_L2CTX_TYPE_XI;
3838                 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
3839                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
3840                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
3841         } else {
3842                 offset0 = BNX2_L2CTX_TYPE;
3843                 offset1 = BNX2_L2CTX_CMD_TYPE;
3844                 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
3845                 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
3846         }
3847         val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
3848         CTX_WR(bp, GET_CID_ADDR(cid), offset0, val);
3849
3850         val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
3851         CTX_WR(bp, GET_CID_ADDR(cid), offset1, val);
3852
3853         val = (u64) bp->tx_desc_mapping >> 32;
3854         CTX_WR(bp, GET_CID_ADDR(cid), offset2, val);
3855
3856         val = (u64) bp->tx_desc_mapping & 0xffffffff;
3857         CTX_WR(bp, GET_CID_ADDR(cid), offset3, val);
3858 }
3859
3860 static void
3861 bnx2_init_tx_ring(struct bnx2 *bp)
3862 {
3863         struct tx_bd *txbd;
3864         u32 cid;
3865
3866         bp->tx_wake_thresh = bp->tx_ring_size / 2;
3867
3868         txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
3869
3870         txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
3871         txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
3872
3873         bp->tx_prod = 0;
3874         bp->tx_cons = 0;
3875         bp->hw_tx_cons = 0;
3876         bp->tx_prod_bseq = 0;
3877
3878         cid = TX_CID;
3879         bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
3880         bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
3881
3882         bnx2_init_tx_context(bp, cid);
3883 }
3884
3885 static void
3886 bnx2_init_rx_ring(struct bnx2 *bp)
3887 {
3888         struct rx_bd *rxbd;
3889         int i;
3890         u16 prod, ring_prod;
3891         u32 val;
3892
3893         /* 8 for CRC and VLAN */
3894         bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
3895         /* hw alignment */
3896         bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
3897
3898         ring_prod = prod = bp->rx_prod = 0;
3899         bp->rx_cons = 0;
3900         bp->hw_rx_cons = 0;
3901         bp->rx_prod_bseq = 0;
3902
3903         for (i = 0; i < bp->rx_max_ring; i++) {
3904                 int j;
3905
3906                 rxbd = &bp->rx_desc_ring[i][0];
3907                 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
3908                         rxbd->rx_bd_len = bp->rx_buf_use_size;
3909                         rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
3910                 }
3911                 if (i == (bp->rx_max_ring - 1))
3912                         j = 0;
3913                 else
3914                         j = i + 1;
3915                 rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping[j] >> 32;
3916                 rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping[j] &
3917                                        0xffffffff;
3918         }
3919
3920         val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
3921         val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
3922         val |= 0x02 << 8;
3923         CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);
3924
3925         val = (u64) bp->rx_desc_mapping[0] >> 32;
3926         CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);
3927
3928         val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
3929         CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);
3930
3931         for (i = 0; i < bp->rx_ring_size; i++) {
3932                 if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
3933                         break;
3934                 }
3935                 prod = NEXT_RX_BD(prod);
3936                 ring_prod = RX_RING_IDX(prod);
3937         }
3938         bp->rx_prod = prod;
3939
3940         REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
3941
3942         REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
3943 }
3944
3945 static void
3946 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
3947 {
3948         u32 num_rings, max;
3949
3950         bp->rx_ring_size = size;
3951         num_rings = 1;
3952         while (size > MAX_RX_DESC_CNT) {
3953                 size -= MAX_RX_DESC_CNT;
3954                 num_rings++;
3955         }
3956         /* round to next power of 2 */
3957         max = MAX_RX_RINGS;
3958         while ((max & num_rings) == 0)
3959                 max >>= 1;
3960
3961         if (num_rings != max)
3962                 max <<= 1;
3963
3964         bp->rx_max_ring = max;
3965         bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
3966 }
3967
3968 static void
3969 bnx2_free_tx_skbs(struct bnx2 *bp)
3970 {
3971         int i;
3972
3973         if (bp->tx_buf_ring == NULL)
3974                 return;
3975
3976         for (i = 0; i < TX_DESC_CNT; ) {
3977                 struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
3978                 struct sk_buff *skb = tx_buf->skb;
3979                 int j, last;
3980
3981                 if (skb == NULL) {
3982                         i++;
3983                         continue;
3984                 }
3985
3986                 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
3987                         skb_headlen(skb), PCI_DMA_TODEVICE);
3988
3989                 tx_buf->skb = NULL;
3990
3991                 last = skb_shinfo(skb)->nr_frags;
3992                 for (j = 0; j < last; j++) {
3993                         tx_buf = &bp->tx_buf_ring[i + j + 1];
3994                         pci_unmap_page(bp->pdev,
3995                                 pci_unmap_addr(tx_buf, mapping),
3996                                 skb_shinfo(skb)->frags[j].size,
3997                                 PCI_DMA_TODEVICE);
3998                 }
3999                 dev_kfree_skb(skb);
4000                 i += j + 1;
4001         }
4002
4003 }
4004
4005 static void
4006 bnx2_free_rx_skbs(struct bnx2 *bp)
4007 {
4008         int i;
4009
4010         if (bp->rx_buf_ring == NULL)
4011                 return;
4012
4013         for (i = 0; i < bp->rx_max_ring_idx; i++) {
4014                 struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
4015                 struct sk_buff *skb = rx_buf->skb;
4016
4017                 if (skb == NULL)
4018                         continue;
4019
4020                 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
4021                         bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
4022
4023                 rx_buf->skb = NULL;
4024
4025                 dev_kfree_skb(skb);
4026         }
4027 }
4028
4029 static void
4030 bnx2_free_skbs(struct bnx2 *bp)
4031 {
4032         bnx2_free_tx_skbs(bp);
4033         bnx2_free_rx_skbs(bp);
4034 }
4035
4036 static int
4037 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
4038 {
4039         int rc;
4040
4041         rc = bnx2_reset_chip(bp, reset_code);
4042         bnx2_free_skbs(bp);
4043         if (rc)
4044                 return rc;
4045
4046         if ((rc = bnx2_init_chip(bp)) != 0)
4047                 return rc;
4048
4049         bnx2_init_tx_ring(bp);
4050         bnx2_init_rx_ring(bp);
4051         return 0;
4052 }
4053
4054 static int
4055 bnx2_init_nic(struct bnx2 *bp)
4056 {
4057         int rc;
4058
4059         if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
4060                 return rc;
4061
4062         spin_lock_bh(&bp->phy_lock);
4063         bnx2_init_phy(bp);
4064         spin_unlock_bh(&bp->phy_lock);
4065         bnx2_set_link(bp);
4066         return 0;
4067 }
4068
4069 static int
4070 bnx2_test_registers(struct bnx2 *bp)
4071 {
4072         int ret;
4073         int i, is_5709;
4074         static const struct {
4075                 u16   offset;
4076                 u16   flags;
4077 #define BNX2_FL_NOT_5709        1
4078                 u32   rw_mask;
4079                 u32   ro_mask;
4080         } reg_tbl[] = {
4081                 { 0x006c, 0, 0x00000000, 0x0000003f },
4082                 { 0x0090, 0, 0xffffffff, 0x00000000 },
4083                 { 0x0094, 0, 0x00000000, 0x00000000 },
4084
4085                 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
4086                 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4087                 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4088                 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
4089                 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
4090                 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4091                 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
4092                 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4093                 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4094
4095                 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4096                 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
4097                 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4098                 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4099                 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4100                 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
4101
4102                 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
4103                 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
4104                 { 0x0c08, BNX2_FL_NOT_5709,  0x0f0ff073, 0x00000000 },
4105
4106                 { 0x1000, 0, 0x00000000, 0x00000001 },
4107                 { 0x1004, 0, 0x00000000, 0x000f0001 },
4108
4109                 { 0x1408, 0, 0x01c00800, 0x00000000 },
4110                 { 0x149c, 0, 0x8000ffff, 0x00000000 },
4111                 { 0x14a8, 0, 0x00000000, 0x000001ff },
4112                 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
4113                 { 0x14b0, 0, 0x00000002, 0x00000001 },
4114                 { 0x14b8, 0, 0x00000000, 0x00000000 },
4115                 { 0x14c0, 0, 0x00000000, 0x00000009 },
4116                 { 0x14c4, 0, 0x00003fff, 0x00000000 },
4117                 { 0x14cc, 0, 0x00000000, 0x00000001 },
4118                 { 0x14d0, 0, 0xffffffff, 0x00000000 },
4119
4120                 { 0x1800, 0, 0x00000000, 0x00000001 },
4121                 { 0x1804, 0, 0x00000000, 0x00000003 },
4122
4123                 { 0x2800, 0, 0x00000000, 0x00000001 },
4124                 { 0x2804, 0, 0x00000000, 0x00003f01 },
4125                 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
4126                 { 0x2810, 0, 0xffff0000, 0x00000000 },
4127                 { 0x2814, 0, 0xffff0000, 0x00000000 },
4128                 { 0x2818, 0, 0xffff0000, 0x00000000 },
4129                 { 0x281c, 0, 0xffff0000, 0x00000000 },
4130                 { 0x2834, 0, 0xffffffff, 0x00000000 },
4131                 { 0x2840, 0, 0x00000000, 0xffffffff },
4132                 { 0x2844, 0, 0x00000000, 0xffffffff },
4133                 { 0x2848, 0, 0xffffffff, 0x00000000 },
4134                 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
4135
4136                 { 0x2c00, 0, 0x00000000, 0x00000011 },
4137                 { 0x2c04, 0, 0x00000000, 0x00030007 },
4138
4139                 { 0x3c00, 0, 0x00000000, 0x00000001 },
4140                 { 0x3c04, 0, 0x00000000, 0x00070000 },
4141                 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
4142                 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
4143                 { 0x3c10, 0, 0xffffffff, 0x00000000 },
4144                 { 0x3c14, 0, 0x00000000, 0xffffffff },
4145                 { 0x3c18, 0, 0x00000000, 0xffffffff },
4146                 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
4147                 { 0x3c20, 0, 0xffffff00, 0x00000000 },
4148
4149                 { 0x5004, 0, 0x00000000, 0x0000007f },
4150                 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
4151
4152                 { 0x5c00, 0, 0x00000000, 0x00000001 },
4153                 { 0x5c04, 0, 0x00000000, 0x0003000f },
4154                 { 0x5c08, 0, 0x00000003, 0x00000000 },
4155                 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
4156                 { 0x5c10, 0, 0x00000000, 0xffffffff },
4157                 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
4158                 { 0x5c84, 0, 0x00000000, 0x0000f333 },
4159                 { 0x5c88, 0, 0x00000000, 0x00077373 },
4160                 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
4161
4162                 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
4163                 { 0x680c, 0, 0xffffffff, 0x00000000 },
4164                 { 0x6810, 0, 0xffffffff, 0x00000000 },
4165                 { 0x6814, 0, 0xffffffff, 0x00000000 },
4166                 { 0x6818, 0, 0xffffffff, 0x00000000 },
4167                 { 0x681c, 0, 0xffffffff, 0x00000000 },
4168                 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
4169                 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
4170                 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
4171                 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
4172                 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
4173                 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
4174                 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
4175                 { 0x683c, 0, 0x0000ffff, 0x00000000 },
4176                 { 0x6840, 0, 0x00000ff0, 0x00000000 },
4177                 { 0x6844, 0, 0x00ffff00, 0x00000000 },
4178                 { 0x684c, 0, 0xffffffff, 0x00000000 },
4179                 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
4180                 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
4181                 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
4182                 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
4183                 { 0x6908, 0, 0x00000000, 0x0001ff0f },
4184                 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
4185
4186                 { 0xffff, 0, 0x00000000, 0x00000000 },
4187         };
4188
4189         ret = 0;
4190         is_5709 = 0;
4191         if (CHIP_NUM(bp) == CHIP_NUM_5709)
4192                 is_5709 = 1;
4193
4194         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
4195                 u32 offset, rw_mask, ro_mask, save_val, val;
4196                 u16 flags = reg_tbl[i].flags;
4197
4198                 if (is_5709 && (flags & BNX2_FL_NOT_5709))
4199                         continue;
4200
4201                 offset = (u32) reg_tbl[i].offset;
4202                 rw_mask = reg_tbl[i].rw_mask;
4203                 ro_mask = reg_tbl[i].ro_mask;
4204
4205                 save_val = readl(bp->regview + offset);
4206
4207                 writel(0, bp->regview + offset);
4208
4209                 val = readl(bp->regview + offset);
4210                 if ((val & rw_mask) != 0) {
4211                         goto reg_test_err;
4212                 }
4213
4214                 if ((val & ro_mask) != (save_val & ro_mask)) {
4215                         goto reg_test_err;
4216                 }
4217
4218                 writel(0xffffffff, bp->regview + offset);
4219
4220                 val = readl(bp->regview + offset);
4221                 if ((val & rw_mask) != rw_mask) {
4222                         goto reg_test_err;
4223                 }
4224
4225                 if ((val & ro_mask) != (save_val & ro_mask)) {
4226                         goto reg_test_err;
4227                 }
4228
4229                 writel(save_val, bp->regview + offset);
4230                 continue;
4231
4232 reg_test_err:
4233                 writel(save_val, bp->regview + offset);
4234                 ret = -ENODEV;
4235                 break;
4236         }
4237         return ret;
4238 }
4239
4240 static int
4241 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
4242 {
4243         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
4244                 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
4245         int i;
4246
4247         for (i = 0; i < sizeof(test_pattern) / 4; i++) {
4248                 u32 offset;
4249
4250                 for (offset = 0; offset < size; offset += 4) {
4251
4252                         REG_WR_IND(bp, start + offset, test_pattern[i]);
4253
4254                         if (REG_RD_IND(bp, start + offset) !=
4255                                 test_pattern[i]) {
4256                                 return -ENODEV;
4257                         }
4258                 }
4259         }
4260         return 0;
4261 }
4262
4263 static int
4264 bnx2_test_memory(struct bnx2 *bp)
4265 {
4266         int ret = 0;
4267         int i;
4268         static struct mem_entry {
4269                 u32   offset;
4270                 u32   len;
4271         } mem_tbl_5706[] = {
4272                 { 0x60000,  0x4000 },
4273                 { 0xa0000,  0x3000 },
4274                 { 0xe0000,  0x4000 },
4275                 { 0x120000, 0x4000 },
4276                 { 0x1a0000, 0x4000 },
4277                 { 0x160000, 0x4000 },
4278                 { 0xffffffff, 0    },
4279         },
4280         mem_tbl_5709[] = {
4281                 { 0x60000,  0x4000 },
4282                 { 0xa0000,  0x3000 },
4283                 { 0xe0000,  0x4000 },
4284                 { 0x120000, 0x4000 },
4285                 { 0x1a0000, 0x4000 },
4286                 { 0xffffffff, 0    },
4287         };
4288         struct mem_entry *mem_tbl;
4289
4290         if (CHIP_NUM(bp) == CHIP_NUM_5709)
4291                 mem_tbl = mem_tbl_5709;
4292         else
4293                 mem_tbl = mem_tbl_5706;
4294
4295         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
4296                 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
4297                         mem_tbl[i].len)) != 0) {
4298                         return ret;
4299                 }
4300         }
4301
4302         return ret;
4303 }
4304
4305 #define BNX2_MAC_LOOPBACK       0
4306 #define BNX2_PHY_LOOPBACK       1
4307
4308 static int
4309 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
4310 {
4311         unsigned int pkt_size, num_pkts, i;
4312         struct sk_buff *skb, *rx_skb;
4313         unsigned char *packet;
4314         u16 rx_start_idx, rx_idx;
4315         dma_addr_t map;
4316         struct tx_bd *txbd;
4317         struct sw_bd *rx_buf;
4318         struct l2_fhdr *rx_hdr;
4319         int ret = -ENODEV;
4320
4321         if (loopback_mode == BNX2_MAC_LOOPBACK) {
4322                 bp->loopback = MAC_LOOPBACK;
4323                 bnx2_set_mac_loopback(bp);
4324         }
4325         else if (loopback_mode == BNX2_PHY_LOOPBACK) {
4326                 bp->loopback = PHY_LOOPBACK;
4327                 bnx2_set_phy_loopback(bp);
4328         }
4329         else
4330                 return -EINVAL;
4331
4332         pkt_size = 1514;
4333         skb = netdev_alloc_skb(bp->dev, pkt_size);
4334         if (!skb)
4335                 return -ENOMEM;
4336         packet = skb_put(skb, pkt_size);
4337         memcpy(packet, bp->dev->dev_addr, 6);
4338         memset(packet + 6, 0x0, 8);
4339         for (i = 14; i < pkt_size; i++)
4340                 packet[i] = (unsigned char) (i & 0xff);
4341
4342         map = pci_map_single(bp->pdev, skb->data, pkt_size,
4343                 PCI_DMA_TODEVICE);
4344
4345         REG_WR(bp, BNX2_HC_COMMAND,
4346                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
4347
4348         REG_RD(bp, BNX2_HC_COMMAND);
4349
4350         udelay(5);
4351         rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;
4352
4353         num_pkts = 0;
4354
4355         txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
4356
4357         txbd->tx_bd_haddr_hi = (u64) map >> 32;
4358         txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
4359         txbd->tx_bd_mss_nbytes = pkt_size;
4360         txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
4361
4362         num_pkts++;
4363         bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
4364         bp->tx_prod_bseq += pkt_size;
4365
4366         REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
4367         REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
4368
4369         udelay(100);
4370
4371         REG_WR(bp, BNX2_HC_COMMAND,
4372                bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
4373
4374         REG_RD(bp, BNX2_HC_COMMAND);
4375
4376         udelay(5);
4377
4378         pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
4379         dev_kfree_skb(skb);
4380
4381         if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_prod) {
4382                 goto loopback_test_done;
4383         }
4384
4385         rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
4386         if (rx_idx != rx_start_idx + num_pkts) {
4387                 goto loopback_test_done;
4388         }
4389
4390         rx_buf = &bp->rx_buf_ring[rx_start_idx];
4391         rx_skb = rx_buf->skb;
4392
4393         rx_hdr = (struct l2_fhdr *) rx_skb->data;
4394         skb_reserve(rx_skb, bp->rx_offset);
4395
4396         pci_dma_sync_single_for_cpu(bp->pdev,
4397                 pci_unmap_addr(rx_buf, mapping),
4398                 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
4399
4400         if (rx_hdr->l2_fhdr_status &
4401                 (L2_FHDR_ERRORS_BAD_CRC |
4402                 L2_FHDR_ERRORS_PHY_DECODE |
4403                 L2_FHDR_ERRORS_ALIGNMENT |
4404                 L2_FHDR_ERRORS_TOO_SHORT |
4405                 L2_FHDR_ERRORS_GIANT_FRAME)) {
4406
4407                 goto loopback_test_done;
4408         }
4409
4410         if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
4411                 goto loopback_test_done;
4412         }
4413
4414         for (i = 14; i < pkt_size; i++) {
4415                 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
4416                         goto loopback_test_done;
4417                 }
4418         }
4419
4420         ret = 0;
4421
4422 loopback_test_done:
4423         bp->loopback = 0;
4424         return ret;
4425 }
4426
4427 #define BNX2_MAC_LOOPBACK_FAILED        1
4428 #define BNX2_PHY_LOOPBACK_FAILED        2
4429 #define BNX2_LOOPBACK_FAILED            (BNX2_MAC_LOOPBACK_FAILED |     \
4430                                          BNX2_PHY_LOOPBACK_FAILED)
4431
4432 static int
4433 bnx2_test_loopback(struct bnx2 *bp)
4434 {
4435         int rc = 0;
4436
4437         if (!netif_running(bp->dev))
4438                 return BNX2_LOOPBACK_FAILED;
4439
4440         bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
4441         spin_lock_bh(&bp->phy_lock);
4442         bnx2_init_phy(bp);
4443         spin_unlock_bh(&bp->phy_lock);
4444         if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
4445                 rc |= BNX2_MAC_LOOPBACK_FAILED;
4446         if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
4447                 rc |= BNX2_PHY_LOOPBACK_FAILED;
4448         return rc;
4449 }
4450
4451 #define NVRAM_SIZE 0x200
4452 #define CRC32_RESIDUAL 0xdebb20e3
4453
4454 static int
4455 bnx2_test_nvram(struct bnx2 *bp)
4456 {
4457         u32 buf[NVRAM_SIZE / 4];
4458         u8 *data = (u8 *) buf;
4459         int rc = 0;
4460         u32 magic, csum;
4461
4462         if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
4463                 goto test_nvram_done;
4464
4465         magic = be32_to_cpu(buf[0]);
4466         if (magic != 0x669955aa) {
4467                 rc = -ENODEV;
4468                 goto test_nvram_done;
4469         }
4470
4471         if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
4472                 goto test_nvram_done;
4473
4474         csum = ether_crc_le(0x100, data);
4475         if (csum != CRC32_RESIDUAL) {
4476                 rc = -ENODEV;
4477                 goto test_nvram_done;
4478         }
4479
4480         csum = ether_crc_le(0x100, data + 0x100);
4481         if (csum != CRC32_RESIDUAL) {
4482                 rc = -ENODEV;
4483         }
4484
4485 test_nvram_done:
4486         return rc;
4487 }
4488
4489 static int
4490 bnx2_test_link(struct bnx2 *bp)
4491 {
4492         u32 bmsr;
4493
4494         spin_lock_bh(&bp->phy_lock);
4495         bnx2_enable_bmsr1(bp);
4496         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
4497         bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
4498         bnx2_disable_bmsr1(bp);
4499         spin_unlock_bh(&bp->phy_lock);
4500
4501         if (bmsr & BMSR_LSTATUS) {
4502                 return 0;
4503         }
4504         return -ENODEV;
4505 }
4506
4507 static int
4508 bnx2_test_intr(struct bnx2 *bp)
4509 {
4510         int i;
4511         u16 status_idx;
4512
4513         if (!netif_running(bp->dev))
4514                 return -ENODEV;
4515
4516         status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
4517
4518         /* This register is not touched during run-time. */
4519         REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
4520         REG_RD(bp, BNX2_HC_COMMAND);
4521
4522         for (i = 0; i < 10; i++) {
4523                 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
4524                         status_idx) {
4525
4526                         break;
4527                 }
4528
4529                 msleep_interruptible(10);
4530         }
4531         if (i < 10)
4532                 return 0;
4533
4534         return -ENODEV;
4535 }
4536
4537 static void
4538 bnx2_5706_serdes_timer(struct bnx2 *bp)
4539 {
4540         spin_lock(&bp->phy_lock);
4541         if (bp->serdes_an_pending)
4542                 bp->serdes_an_pending--;
4543         else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
4544                 u32 bmcr;
4545
4546                 bp->current_interval = bp->timer_interval;
4547
4548                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
4549
4550                 if (bmcr & BMCR_ANENABLE) {
4551                         u32 phy1, phy2;
4552
4553                         bnx2_write_phy(bp, 0x1c, 0x7c00);
4554                         bnx2_read_phy(bp, 0x1c, &phy1);
4555
4556                         bnx2_write_phy(bp, 0x17, 0x0f01);
4557                         bnx2_read_phy(bp, 0x15, &phy2);
4558                         bnx2_write_phy(bp, 0x17, 0x0f01);
4559                         bnx2_read_phy(bp, 0x15, &phy2);
4560
4561                         if ((phy1 & 0x10) &&    /* SIGNAL DETECT */
4562                                 !(phy2 & 0x20)) {       /* no CONFIG */
4563
4564                                 bmcr &= ~BMCR_ANENABLE;
4565                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4566                                 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
4567                                 bp->phy_flags |= PHY_PARALLEL_DETECT_FLAG;
4568                         }
4569                 }
4570         }
4571         else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
4572                  (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
4573                 u32 phy2;
4574
4575                 bnx2_write_phy(bp, 0x17, 0x0f01);
4576                 bnx2_read_phy(bp, 0x15, &phy2);
4577                 if (phy2 & 0x20) {
4578                         u32 bmcr;
4579
4580                         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
4581                         bmcr |= BMCR_ANENABLE;
4582                         bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
4583
4584                         bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
4585                 }
4586         } else
4587                 bp->current_interval = bp->timer_interval;
4588
4589         spin_unlock(&bp->phy_lock);
4590 }
4591
4592 static void
4593 bnx2_5708_serdes_timer(struct bnx2 *bp)
4594 {
4595         if ((bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) == 0) {
4596                 bp->serdes_an_pending = 0;
4597                 return;
4598         }
4599
4600         spin_lock(&bp->phy_lock);
4601         if (bp->serdes_an_pending)
4602                 bp->serdes_an_pending--;
4603         else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
4604                 u32 bmcr;
4605
4606                 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
4607                 if (bmcr & BMCR_ANENABLE) {
4608                         bnx2_enable_forced_2g5(bp);
4609                         bp->current_interval = SERDES_FORCED_TIMEOUT;
4610                 } else {
4611                         bnx2_disable_forced_2g5(bp);
4612                         bp->serdes_an_pending = 2;
4613                         bp->current_interval = bp->timer_interval;
4614                 }
4615
4616         } else
4617                 bp->current_interval = bp->timer_interval;
4618
4619         spin_unlock(&bp->phy_lock);
4620 }
4621
4622 static void
4623 bnx2_timer(unsigned long data)
4624 {
4625         struct bnx2 *bp = (struct bnx2 *) data;
4626         u32 msg;
4627
4628         if (!netif_running(bp->dev))
4629                 return;
4630
4631         if (atomic_read(&bp->intr_sem) != 0)
4632                 goto bnx2_restart_timer;
4633
4634         msg = (u32) ++bp->fw_drv_pulse_wr_seq;
4635         REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB, msg);
4636
4637         bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT);
4638
4639         if (bp->phy_flags & PHY_SERDES_FLAG) {
4640                 if (CHIP_NUM(bp) == CHIP_NUM_5706)
4641                         bnx2_5706_serdes_timer(bp);
4642                 else
4643                         bnx2_5708_serdes_timer(bp);
4644         }
4645
4646 bnx2_restart_timer:
4647         mod_timer(&bp->timer, jiffies + bp->current_interval);
4648 }
4649
4650 static int
4651 bnx2_request_irq(struct bnx2 *bp)
4652 {
4653         struct net_device *dev = bp->dev;
4654         int rc = 0;
4655
4656         if (bp->flags & USING_MSI_FLAG) {
4657                 irq_handler_t   fn = bnx2_msi;
4658
4659                 if (bp->flags & ONE_SHOT_MSI_FLAG)
4660                         fn = bnx2_msi_1shot;
4661
4662                 rc = request_irq(bp->pdev->irq, fn, 0, dev->name, dev);
4663         } else
4664                 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
4665                                  IRQF_SHARED, dev->name, dev);
4666         return rc;
4667 }
4668
4669 static void
4670 bnx2_free_irq(struct bnx2 *bp)
4671 {
4672         struct net_device *dev = bp->dev;
4673
4674         if (bp->flags & USING_MSI_FLAG) {
4675                 free_irq(bp->pdev->irq, dev);
4676                 pci_disable_msi(bp->pdev);
4677                 bp->flags &= ~(USING_MSI_FLAG | ONE_SHOT_MSI_FLAG);
4678         } else
4679                 free_irq(bp->pdev->irq, dev);
4680 }
4681
4682 /* Called with rtnl_lock */
4683 static int
4684 bnx2_open(struct net_device *dev)
4685 {
4686         struct bnx2 *bp = netdev_priv(dev);
4687         int rc;
4688
4689         netif_carrier_off(dev);
4690
4691         bnx2_set_power_state(bp, PCI_D0);
4692         bnx2_disable_int(bp);
4693
4694         rc = bnx2_alloc_mem(bp);
4695         if (rc)
4696                 return rc;
4697
4698         if ((bp->flags & MSI_CAP_FLAG) && !disable_msi) {
4699                 if (pci_enable_msi(bp->pdev) == 0) {
4700                         bp->flags |= USING_MSI_FLAG;
4701                         if (CHIP_NUM(bp) == CHIP_NUM_5709)
4702                                 bp->flags |= ONE_SHOT_MSI_FLAG;
4703                 }
4704         }
4705         rc = bnx2_request_irq(bp);
4706
4707         if (rc) {
4708                 bnx2_free_mem(bp);
4709                 return rc;
4710         }
4711
4712         rc = bnx2_init_nic(bp);
4713
4714         if (rc) {
4715                 bnx2_free_irq(bp);
4716                 bnx2_free_skbs(bp);
4717                 bnx2_free_mem(bp);
4718                 return rc;
4719         }
4720
4721         mod_timer(&bp->timer, jiffies + bp->current_interval);
4722
4723         atomic_set(&bp->intr_sem, 0);
4724
4725         bnx2_enable_int(bp);
4726
4727         if (bp->flags & USING_MSI_FLAG) {
4728                 /* Test MSI to make sure it is working
4729                  * If MSI test fails, go back to INTx mode
4730                  */
4731                 if (bnx2_test_intr(bp) != 0) {
4732                         printk(KERN_WARNING PFX "%s: No interrupt was generated"
4733                                " using MSI, switching to INTx mode. Please"
4734                                " report this failure to the PCI maintainer"
4735                                " and include system chipset information.\n",
4736                                bp->dev->name);
4737
4738                         bnx2_disable_int(bp);
4739                         bnx2_free_irq(bp);
4740
4741                         rc = bnx2_init_nic(bp);
4742
4743                         if (!rc)
4744                                 rc = bnx2_request_irq(bp);
4745
4746                         if (rc) {
4747                                 bnx2_free_skbs(bp);
4748                                 bnx2_free_mem(bp);
4749                                 del_timer_sync(&bp->timer);
4750                                 return rc;
4751                         }
4752                         bnx2_enable_int(bp);
4753                 }
4754         }
4755         if (bp->flags & USING_MSI_FLAG) {
4756                 printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
4757         }
4758
4759         netif_start_queue(dev);
4760
4761         return 0;
4762 }
4763
4764 static void
4765 bnx2_reset_task(struct work_struct *work)
4766 {
4767         struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
4768
4769         if (!netif_running(bp->dev))
4770                 return;
4771
4772         bp->in_reset_task = 1;
4773         bnx2_netif_stop(bp);
4774
4775         bnx2_init_nic(bp);
4776
4777         atomic_set(&bp->intr_sem, 1);
4778         bnx2_netif_start(bp);
4779         bp->in_reset_task = 0;
4780 }
4781
4782 static void
4783 bnx2_tx_timeout(struct net_device *dev)
4784 {
4785         struct bnx2 *bp = netdev_priv(dev);
4786
4787         /* This allows the netif to be shutdown gracefully before resetting */
4788         schedule_work(&bp->reset_task);
4789 }
4790
4791 #ifdef BCM_VLAN
4792 /* Called with rtnl_lock */
4793 static void
4794 bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
4795 {
4796         struct bnx2 *bp = netdev_priv(dev);
4797
4798         bnx2_netif_stop(bp);
4799
4800         bp->vlgrp = vlgrp;
4801         bnx2_set_rx_mode(dev);
4802
4803         bnx2_netif_start(bp);
4804 }
4805 #endif
4806
4807 /* Called with netif_tx_lock.
4808  * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
4809  * netif_wake_queue().
4810  */
4811 static int
4812 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
4813 {
4814         struct bnx2 *bp = netdev_priv(dev);
4815         dma_addr_t mapping;
4816         struct tx_bd *txbd;
4817         struct sw_bd *tx_buf;
4818         u32 len, vlan_tag_flags, last_frag, mss;
4819         u16 prod, ring_prod;
4820         int i;
4821
4822         if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
4823                 netif_stop_queue(dev);
4824                 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
4825                         dev->name);
4826
4827                 return NETDEV_TX_BUSY;
4828         }
4829         len = skb_headlen(skb);
4830         prod = bp->tx_prod;
4831         ring_prod = TX_RING_IDX(prod);
4832
4833         vlan_tag_flags = 0;
4834         if (skb->ip_summed == CHECKSUM_PARTIAL) {
4835                 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
4836         }
4837
4838         if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
4839                 vlan_tag_flags |=
4840                         (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
4841         }
4842         if ((mss = skb_shinfo(skb)->gso_size)) {
4843                 u32 tcp_opt_len, ip_tcp_len;
4844                 struct iphdr *iph;
4845
4846                 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
4847
4848                 tcp_opt_len = tcp_optlen(skb);
4849
4850                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
4851                         u32 tcp_off = skb_transport_offset(skb) -
4852                                       sizeof(struct ipv6hdr) - ETH_HLEN;
4853
4854                         vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
4855                                           TX_BD_FLAGS_SW_FLAGS;
4856                         if (likely(tcp_off == 0))
4857                                 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
4858                         else {
4859                                 tcp_off >>= 3;
4860                                 vlan_tag_flags |= ((tcp_off & 0x3) <<
4861                                                    TX_BD_FLAGS_TCP6_OFF0_SHL) |
4862                                                   ((tcp_off & 0x10) <<
4863                                                    TX_BD_FLAGS_TCP6_OFF4_SHL);
4864                                 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
4865                         }
4866                 } else {
4867                         if (skb_header_cloned(skb) &&
4868                             pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4869                                 dev_kfree_skb(skb);
4870                                 return NETDEV_TX_OK;
4871                         }
4872
4873                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
4874
4875                         iph = ip_hdr(skb);
4876                         iph->check = 0;
4877                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
4878                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
4879                                                                  iph->daddr, 0,
4880                                                                  IPPROTO_TCP,
4881                                                                  0);
4882                         if (tcp_opt_len || (iph->ihl > 5)) {
4883                                 vlan_tag_flags |= ((iph->ihl - 5) +
4884                                                    (tcp_opt_len >> 2)) << 8;
4885                         }
4886                 }
4887         } else
4888                 mss = 0;
4889
4890         mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4891
4892         tx_buf = &bp->tx_buf_ring[ring_prod];
4893         tx_buf->skb = skb;
4894         pci_unmap_addr_set(tx_buf, mapping, mapping);
4895
4896         txbd = &bp->tx_desc_ring[ring_prod];
4897
4898         txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4899         txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4900         txbd->tx_bd_mss_nbytes = len | (mss << 16);
4901         txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
4902
4903         last_frag = skb_shinfo(skb)->nr_frags;
4904
4905         for (i = 0; i < last_frag; i++) {
4906                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4907
4908                 prod = NEXT_TX_BD(prod);
4909                 ring_prod = TX_RING_IDX(prod);
4910                 txbd = &bp->tx_desc_ring[ring_prod];
4911
4912                 len = frag->size;
4913                 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
4914                         len, PCI_DMA_TODEVICE);
4915                 pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
4916                                 mapping, mapping);
4917
4918                 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
4919                 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
4920                 txbd->tx_bd_mss_nbytes = len | (mss << 16);
4921                 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
4922
4923         }
4924         txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
4925
4926         prod = NEXT_TX_BD(prod);
4927         bp->tx_prod_bseq += skb->len;
4928
4929         REG_WR16(bp, bp->tx_bidx_addr, prod);
4930         REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
4931
4932         mmiowb();
4933
4934         bp->tx_prod = prod;
4935         dev->trans_start = jiffies;
4936
4937         if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
4938                 netif_stop_queue(dev);
4939                 if (bnx2_tx_avail(bp) > bp->tx_wake_thresh)
4940                         netif_wake_queue(dev);
4941         }
4942
4943         return NETDEV_TX_OK;
4944 }
4945
4946 /* Called with rtnl_lock */
4947 static int
4948 bnx2_close(struct net_device *dev)
4949 {
4950         struct bnx2 *bp = netdev_priv(dev);
4951         u32 reset_code;
4952
4953         /* Calling flush_scheduled_work() may deadlock because
4954          * linkwatch_event() may be on the workqueue and it will try to get
4955          * the rtnl_lock which we are holding.
4956          */
4957         while (bp->in_reset_task)
4958                 msleep(1);
4959
4960         bnx2_netif_stop(bp);
4961         del_timer_sync(&bp->timer);
4962         if (bp->flags & NO_WOL_FLAG)
4963                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
4964         else if (bp->wol)
4965                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4966         else
4967                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4968         bnx2_reset_chip(bp, reset_code);
4969         bnx2_free_irq(bp);
4970         bnx2_free_skbs(bp);
4971         bnx2_free_mem(bp);
4972         bp->link_up = 0;
4973         netif_carrier_off(bp->dev);
4974         bnx2_set_power_state(bp, PCI_D3hot);
4975         return 0;
4976 }
4977
4978 #define GET_NET_STATS64(ctr)                                    \
4979         (unsigned long) ((unsigned long) (ctr##_hi) << 32) +    \
4980         (unsigned long) (ctr##_lo)
4981
4982 #define GET_NET_STATS32(ctr)            \
4983         (ctr##_lo)
4984
4985 #if (BITS_PER_LONG == 64)
4986 #define GET_NET_STATS   GET_NET_STATS64
4987 #else
4988 #define GET_NET_STATS   GET_NET_STATS32
4989 #endif
4990
4991 static struct net_device_stats *
4992 bnx2_get_stats(struct net_device *dev)
4993 {
4994         struct bnx2 *bp = netdev_priv(dev);
4995         struct statistics_block *stats_blk = bp->stats_blk;
4996         struct net_device_stats *net_stats = &bp->net_stats;
4997
4998         if (bp->stats_blk == NULL) {
4999                 return net_stats;
5000         }
5001         net_stats->rx_packets =
5002                 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
5003                 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
5004                 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
5005
5006         net_stats->tx_packets =
5007                 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
5008                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
5009                 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
5010
5011         net_stats->rx_bytes =
5012                 GET_NET_STATS(stats_blk->stat_IfHCInOctets);
5013
5014         net_stats->tx_bytes =
5015                 GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
5016
5017         net_stats->multicast =
5018                 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
5019
5020         net_stats->collisions =
5021                 (unsigned long) stats_blk->stat_EtherStatsCollisions;
5022
5023         net_stats->rx_length_errors =
5024                 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
5025                 stats_blk->stat_EtherStatsOverrsizePkts);
5026
5027         net_stats->rx_over_errors =
5028                 (unsigned long) stats_blk->stat_IfInMBUFDiscards;
5029
5030         net_stats->rx_frame_errors =
5031                 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
5032
5033         net_stats->rx_crc_errors =
5034                 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
5035
5036         net_stats->rx_errors = net_stats->rx_length_errors +
5037                 net_stats->rx_over_errors + net_stats->rx_frame_errors +
5038                 net_stats->rx_crc_errors;
5039
5040         net_stats->tx_aborted_errors =
5041                 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
5042                 stats_blk->stat_Dot3StatsLateCollisions);
5043
5044         if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
5045             (CHIP_ID(bp) == CHIP_ID_5708_A0))
5046                 net_stats->tx_carrier_errors = 0;
5047         else {
5048                 net_stats->tx_carrier_errors =
5049                         (unsigned long)
5050                         stats_blk->stat_Dot3StatsCarrierSenseErrors;
5051         }
5052
5053         net_stats->tx_errors =
5054                 (unsigned long)
5055                 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
5056                 +
5057                 net_stats->tx_aborted_errors +
5058                 net_stats->tx_carrier_errors;
5059
5060         net_stats->rx_missed_errors =
5061                 (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
5062                 stats_blk->stat_FwRxDrop);
5063
5064         return net_stats;
5065 }
5066
5067 /* All ethtool functions called with rtnl_lock */
5068
5069 static int
5070 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
5071 {
5072         struct bnx2 *bp = netdev_priv(dev);
5073
5074         cmd->supported = SUPPORTED_Autoneg;
5075         if (bp->phy_flags & PHY_SERDES_FLAG) {
5076                 cmd->supported |= SUPPORTED_1000baseT_Full |
5077                         SUPPORTED_FIBRE;
5078                 if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)
5079                         cmd->supported |= SUPPORTED_2500baseX_Full;
5080
5081                 cmd->port = PORT_FIBRE;
5082         }
5083         else {
5084                 cmd->supported |= SUPPORTED_10baseT_Half |
5085                         SUPPORTED_10baseT_Full |
5086                         SUPPORTED_100baseT_Half |
5087                         SUPPORTED_100baseT_Full |
5088                         SUPPORTED_1000baseT_Full |
5089                         SUPPORTED_TP;
5090
5091                 cmd->port = PORT_TP;
5092         }
5093
5094         cmd->advertising = bp->advertising;
5095
5096         if (bp->autoneg & AUTONEG_SPEED) {
5097                 cmd->autoneg = AUTONEG_ENABLE;
5098         }
5099         else {
5100                 cmd->autoneg = AUTONEG_DISABLE;
5101         }
5102
5103         if (netif_carrier_ok(dev)) {
5104                 cmd->speed = bp->line_speed;
5105                 cmd->duplex = bp->duplex;
5106         }
5107         else {
5108                 cmd->speed = -1;
5109                 cmd->duplex = -1;
5110         }
5111
5112         cmd->transceiver = XCVR_INTERNAL;
5113         cmd->phy_address = bp->phy_addr;
5114
5115         return 0;
5116 }
5117
5118 static int
5119 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
5120 {
5121         struct bnx2 *bp = netdev_priv(dev);
5122         u8 autoneg = bp->autoneg;
5123         u8 req_duplex = bp->req_duplex;
5124         u16 req_line_speed = bp->req_line_speed;
5125         u32 advertising = bp->advertising;
5126
5127         if (cmd->autoneg == AUTONEG_ENABLE) {
5128                 autoneg |= AUTONEG_SPEED;
5129
5130                 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
5131
5132                 /* allow advertising 1 speed */
5133                 if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
5134                         (cmd->advertising == ADVERTISED_10baseT_Full) ||
5135                         (cmd->advertising == ADVERTISED_100baseT_Half) ||
5136                         (cmd->advertising == ADVERTISED_100baseT_Full)) {
5137
5138                         if (bp->phy_flags & PHY_SERDES_FLAG)
5139                                 return -EINVAL;
5140
5141                         advertising = cmd->advertising;
5142
5143                 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
5144                         if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
5145                                 return -EINVAL;
5146                 } else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
5147                         advertising = cmd->advertising;
5148                 }
5149                 else if (cmd->advertising == ADVERTISED_1000baseT_Half) {
5150                         return -EINVAL;
5151                 }
5152                 else {
5153                         if (bp->phy_flags & PHY_SERDES_FLAG) {
5154                                 advertising = ETHTOOL_ALL_FIBRE_SPEED;
5155                         }
5156                         else {
5157                                 advertising = ETHTOOL_ALL_COPPER_SPEED;
5158                         }
5159                 }
5160                 advertising |= ADVERTISED_Autoneg;
5161         }
5162         else {
5163                 if (bp->phy_flags & PHY_SERDES_FLAG) {
5164                         if ((cmd->speed != SPEED_1000 &&
5165                              cmd->speed != SPEED_2500) ||
5166                             (cmd->duplex != DUPLEX_FULL))
5167                                 return -EINVAL;
5168
5169                         if (cmd->speed == SPEED_2500 &&
5170                             !(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
5171                                 return -EINVAL;
5172                 }
5173                 else if (cmd->speed == SPEED_1000) {
5174                         return -EINVAL;
5175                 }
5176                 autoneg &= ~AUTONEG_SPEED;
5177                 req_line_speed = cmd->speed;
5178                 req_duplex = cmd->duplex;
5179                 advertising = 0;
5180         }
5181
5182         bp->autoneg = autoneg;
5183         bp->advertising = advertising;
5184         bp->req_line_speed = req_line_speed;
5185         bp->req_duplex = req_duplex;
5186
5187         spin_lock_bh(&bp->phy_lock);
5188
5189         bnx2_setup_phy(bp);
5190
5191         spin_unlock_bh(&bp->phy_lock);
5192
5193         return 0;
5194 }
5195
5196 static void
5197 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
5198 {
5199         struct bnx2 *bp = netdev_priv(dev);
5200
5201         strcpy(info->driver, DRV_MODULE_NAME);
5202         strcpy(info->version, DRV_MODULE_VERSION);
5203         strcpy(info->bus_info, pci_name(bp->pdev));
5204         info->fw_version[0] = ((bp->fw_ver & 0xff000000) >> 24) + '0';
5205         info->fw_version[2] = ((bp->fw_ver & 0xff0000) >> 16) + '0';
5206         info->fw_version[4] = ((bp->fw_ver & 0xff00) >> 8) + '0';
5207         info->fw_version[1] = info->fw_version[3] = '.';
5208         info->fw_version[5] = 0;
5209 }
5210
5211 #define BNX2_REGDUMP_LEN                (32 * 1024)
5212
5213 static int
5214 bnx2_get_regs_len(struct net_device *dev)
5215 {
5216         return BNX2_REGDUMP_LEN;
5217 }
5218
5219 static void
5220 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
5221 {
5222         u32 *p = _p, i, offset;
5223         u8 *orig_p = _p;
5224         struct bnx2 *bp = netdev_priv(dev);
5225         u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
5226                                  0x0800, 0x0880, 0x0c00, 0x0c10,
5227                                  0x0c30, 0x0d08, 0x1000, 0x101c,
5228                                  0x1040, 0x1048, 0x1080, 0x10a4,
5229                                  0x1400, 0x1490, 0x1498, 0x14f0,
5230                                  0x1500, 0x155c, 0x1580, 0x15dc,
5231                                  0x1600, 0x1658, 0x1680, 0x16d8,
5232                                  0x1800, 0x1820, 0x1840, 0x1854,
5233                                  0x1880, 0x1894, 0x1900, 0x1984,
5234                                  0x1c00, 0x1c0c, 0x1c40, 0x1c54,
5235                                  0x1c80, 0x1c94, 0x1d00, 0x1d84,
5236                                  0x2000, 0x2030, 0x23c0, 0x2400,
5237                                  0x2800, 0x2820, 0x2830, 0x2850,
5238                                  0x2b40, 0x2c10, 0x2fc0, 0x3058,
5239                                  0x3c00, 0x3c94, 0x4000, 0x4010,
5240                                  0x4080, 0x4090, 0x43c0, 0x4458,
5241                                  0x4c00, 0x4c18, 0x4c40, 0x4c54,
5242                                  0x4fc0, 0x5010, 0x53c0, 0x5444,
5243                                  0x5c00, 0x5c18, 0x5c80, 0x5c90,
5244                                  0x5fc0, 0x6000, 0x6400, 0x6428,
5245                                  0x6800, 0x6848, 0x684c, 0x6860,
5246                                  0x6888, 0x6910, 0x8000 };
5247
5248         regs->version = 0;
5249
5250         memset(p, 0, BNX2_REGDUMP_LEN);
5251
5252         if (!netif_running(bp->dev))
5253                 return;
5254
5255         i = 0;
5256         offset = reg_boundaries[0];
5257         p += offset;
5258         while (offset < BNX2_REGDUMP_LEN) {
5259                 *p++ = REG_RD(bp, offset);
5260                 offset += 4;
5261                 if (offset == reg_boundaries[i + 1]) {
5262                         offset = reg_boundaries[i + 2];
5263                         p = (u32 *) (orig_p + offset);
5264                         i += 2;
5265                 }
5266         }
5267 }
5268
5269 static void
5270 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
5271 {
5272         struct bnx2 *bp = netdev_priv(dev);
5273
5274         if (bp->flags & NO_WOL_FLAG) {
5275                 wol->supported = 0;
5276                 wol->wolopts = 0;
5277         }
5278         else {
5279                 wol->supported = WAKE_MAGIC;
5280                 if (bp->wol)
5281                         wol->wolopts = WAKE_MAGIC;
5282                 else
5283                         wol->wolopts = 0;
5284         }
5285         memset(&wol->sopass, 0, sizeof(wol->sopass));
5286 }
5287
5288 static int
5289 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
5290 {
5291         struct bnx2 *bp = netdev_priv(dev);
5292
5293         if (wol->wolopts & ~WAKE_MAGIC)
5294                 return -EINVAL;
5295
5296         if (wol->wolopts & WAKE_MAGIC) {
5297                 if (bp->flags & NO_WOL_FLAG)
5298                         return -EINVAL;
5299
5300                 bp->wol = 1;
5301         }
5302         else {
5303                 bp->wol = 0;
5304         }
5305         return 0;
5306 }
5307
5308 static int
5309 bnx2_nway_reset(struct net_device *dev)
5310 {
5311         struct bnx2 *bp = netdev_priv(dev);
5312         u32 bmcr;
5313
5314         if (!(bp->autoneg & AUTONEG_SPEED)) {
5315                 return -EINVAL;
5316         }
5317
5318         spin_lock_bh(&bp->phy_lock);
5319
5320         /* Force a link down visible on the other side */
5321         if (bp->phy_flags & PHY_SERDES_FLAG) {
5322                 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
5323                 spin_unlock_bh(&bp->phy_lock);
5324
5325                 msleep(20);
5326
5327                 spin_lock_bh(&bp->phy_lock);
5328
5329                 bp->current_interval = SERDES_AN_TIMEOUT;
5330                 bp->serdes_an_pending = 1;
5331                 mod_timer(&bp->timer, jiffies + bp->current_interval);
5332         }
5333
5334         bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5335         bmcr &= ~BMCR_LOOPBACK;
5336         bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
5337
5338         spin_unlock_bh(&bp->phy_lock);
5339
5340         return 0;
5341 }
5342
5343 static int
5344 bnx2_get_eeprom_len(struct net_device *dev)
5345 {
5346         struct bnx2 *bp = netdev_priv(dev);
5347
5348         if (bp->flash_info == NULL)
5349                 return 0;
5350
5351         return (int) bp->flash_size;
5352 }
5353
5354 static int
5355 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
5356                 u8 *eebuf)
5357 {
5358         struct bnx2 *bp = netdev_priv(dev);
5359         int rc;
5360
5361         /* parameters already validated in ethtool_get_eeprom */
5362
5363         rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
5364
5365         return rc;
5366 }
5367
5368 static int
5369 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
5370                 u8 *eebuf)
5371 {
5372         struct bnx2 *bp = netdev_priv(dev);
5373         int rc;
5374
5375         /* parameters already validated in ethtool_set_eeprom */
5376
5377         rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
5378
5379         return rc;
5380 }
5381
5382 static int
5383 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
5384 {
5385         struct bnx2 *bp = netdev_priv(dev);
5386
5387         memset(coal, 0, sizeof(struct ethtool_coalesce));
5388
5389         coal->rx_coalesce_usecs = bp->rx_ticks;
5390         coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
5391         coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
5392         coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
5393
5394         coal->tx_coalesce_usecs = bp->tx_ticks;
5395         coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
5396         coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
5397         coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
5398
5399         coal->stats_block_coalesce_usecs = bp->stats_ticks;
5400
5401         return 0;
5402 }
5403
5404 static int
5405 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
5406 {
5407         struct bnx2 *bp = netdev_priv(dev);
5408
5409         bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
5410         if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
5411
5412         bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
5413         if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
5414
5415         bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
5416         if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
5417
5418         bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
5419         if (bp->rx_quick_cons_trip_int > 0xff)
5420                 bp->rx_quick_cons_trip_int = 0xff;
5421
5422         bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
5423         if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
5424
5425         bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
5426         if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
5427
5428         bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
5429         if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
5430
5431         bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
5432         if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
5433                 0xff;
5434
5435         bp->stats_ticks = coal->stats_block_coalesce_usecs;
5436         if (bp->stats_ticks > 0xffff00) bp->stats_ticks = 0xffff00;
5437         bp->stats_ticks &= 0xffff00;
5438
5439         if (netif_running(bp->dev)) {
5440                 bnx2_netif_stop(bp);
5441                 bnx2_init_nic(bp);
5442                 bnx2_netif_start(bp);
5443         }
5444
5445         return 0;
5446 }
5447
5448 static void
5449 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
5450 {
5451         struct bnx2 *bp = netdev_priv(dev);
5452
5453         ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
5454         ering->rx_mini_max_pending = 0;
5455         ering->rx_jumbo_max_pending = 0;
5456
5457         ering->rx_pending = bp->rx_ring_size;
5458         ering->rx_mini_pending = 0;
5459         ering->rx_jumbo_pending = 0;
5460
5461         ering->tx_max_pending = MAX_TX_DESC_CNT;
5462         ering->tx_pending = bp->tx_ring_size;
5463 }
5464
5465 static int
5466 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
5467 {
5468         struct bnx2 *bp = netdev_priv(dev);
5469
5470         if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
5471                 (ering->tx_pending > MAX_TX_DESC_CNT) ||
5472                 (ering->tx_pending <= MAX_SKB_FRAGS)) {
5473
5474                 return -EINVAL;
5475         }
5476         if (netif_running(bp->dev)) {
5477                 bnx2_netif_stop(bp);
5478                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
5479                 bnx2_free_skbs(bp);
5480                 bnx2_free_mem(bp);
5481         }
5482
5483         bnx2_set_rx_ring_size(bp, ering->rx_pending);
5484         bp->tx_ring_size = ering->tx_pending;
5485
5486         if (netif_running(bp->dev)) {
5487                 int rc;
5488
5489                 rc = bnx2_alloc_mem(bp);
5490                 if (rc)
5491                         return rc;
5492                 bnx2_init_nic(bp);
5493                 bnx2_netif_start(bp);
5494         }
5495
5496         return 0;
5497 }
5498
5499 static void
5500 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
5501 {
5502         struct bnx2 *bp = netdev_priv(dev);
5503
5504         epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
5505         epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
5506         epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
5507 }
5508
5509 static int
5510 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
5511 {
5512         struct bnx2 *bp = netdev_priv(dev);
5513
5514         bp->req_flow_ctrl = 0;
5515         if (epause->rx_pause)
5516                 bp->req_flow_ctrl |= FLOW_CTRL_RX;
5517         if (epause->tx_pause)
5518                 bp->req_flow_ctrl |= FLOW_CTRL_TX;
5519
5520         if (epause->autoneg) {
5521                 bp->autoneg |= AUTONEG_FLOW_CTRL;
5522         }
5523         else {
5524                 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
5525         }
5526
5527         spin_lock_bh(&bp->phy_lock);
5528
5529         bnx2_setup_phy(bp);
5530
5531         spin_unlock_bh(&bp->phy_lock);
5532
5533         return 0;
5534 }
5535
5536 static u32
5537 bnx2_get_rx_csum(struct net_device *dev)
5538 {
5539         struct bnx2 *bp = netdev_priv(dev);
5540
5541         return bp->rx_csum;
5542 }
5543
5544 static int
5545 bnx2_set_rx_csum(struct net_device *dev, u32 data)
5546 {
5547         struct bnx2 *bp = netdev_priv(dev);
5548
5549         bp->rx_csum = data;
5550         return 0;
5551 }
5552
5553 static int
5554 bnx2_set_tso(struct net_device *dev, u32 data)
5555 {
5556         struct bnx2 *bp = netdev_priv(dev);
5557
5558         if (data) {
5559                 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
5560                 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5561                         dev->features |= NETIF_F_TSO6;
5562         } else
5563                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
5564                                    NETIF_F_TSO_ECN);
5565         return 0;
5566 }
5567
5568 #define BNX2_NUM_STATS 46
5569
5570 static struct {
5571         char string[ETH_GSTRING_LEN];
5572 } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
5573         { "rx_bytes" },
5574         { "rx_error_bytes" },
5575         { "tx_bytes" },
5576         { "tx_error_bytes" },
5577         { "rx_ucast_packets" },
5578         { "rx_mcast_packets" },
5579         { "rx_bcast_packets" },
5580         { "tx_ucast_packets" },
5581         { "tx_mcast_packets" },
5582         { "tx_bcast_packets" },
5583         { "tx_mac_errors" },
5584         { "tx_carrier_errors" },
5585         { "rx_crc_errors" },
5586         { "rx_align_errors" },
5587         { "tx_single_collisions" },
5588         { "tx_multi_collisions" },
5589         { "tx_deferred" },
5590         { "tx_excess_collisions" },
5591         { "tx_late_collisions" },
5592         { "tx_total_collisions" },
5593         { "rx_fragments" },
5594         { "rx_jabbers" },
5595         { "rx_undersize_packets" },
5596         { "rx_oversize_packets" },
5597         { "rx_64_byte_packets" },
5598         { "rx_65_to_127_byte_packets" },
5599         { "rx_128_to_255_byte_packets" },
5600         { "rx_256_to_511_byte_packets" },
5601         { "rx_512_to_1023_byte_packets" },
5602         { "rx_1024_to_1522_byte_packets" },
5603         { "rx_1523_to_9022_byte_packets" },
5604         { "tx_64_byte_packets" },
5605         { "tx_65_to_127_byte_packets" },
5606         { "tx_128_to_255_byte_packets" },
5607         { "tx_256_to_511_byte_packets" },
5608         { "tx_512_to_1023_byte_packets" },
5609         { "tx_1024_to_1522_byte_packets" },
5610         { "tx_1523_to_9022_byte_packets" },
5611         { "rx_xon_frames" },
5612         { "rx_xoff_frames" },
5613         { "tx_xon_frames" },
5614         { "tx_xoff_frames" },
5615         { "rx_mac_ctrl_frames" },
5616         { "rx_filtered_packets" },
5617         { "rx_discards" },
5618         { "rx_fw_discards" },
5619 };
5620
5621 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
5622
5623 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
5624     STATS_OFFSET32(stat_IfHCInOctets_hi),
5625     STATS_OFFSET32(stat_IfHCInBadOctets_hi),
5626     STATS_OFFSET32(stat_IfHCOutOctets_hi),
5627     STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
5628     STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
5629     STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
5630     STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
5631     STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
5632     STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
5633     STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
5634     STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
5635     STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
5636     STATS_OFFSET32(stat_Dot3StatsFCSErrors),
5637     STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
5638     STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
5639     STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
5640     STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
5641     STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
5642     STATS_OFFSET32(stat_Dot3StatsLateCollisions),
5643     STATS_OFFSET32(stat_EtherStatsCollisions),
5644     STATS_OFFSET32(stat_EtherStatsFragments),
5645     STATS_OFFSET32(stat_EtherStatsJabbers),
5646     STATS_OFFSET32(stat_EtherStatsUndersizePkts),
5647     STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
5648     STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
5649     STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
5650     STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
5651     STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
5652     STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
5653     STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
5654     STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
5655     STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
5656     STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
5657     STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
5658     STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
5659     STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
5660     STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
5661     STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
5662     STATS_OFFSET32(stat_XonPauseFramesReceived),
5663     STATS_OFFSET32(stat_XoffPauseFramesReceived),
5664     STATS_OFFSET32(stat_OutXonSent),
5665     STATS_OFFSET32(stat_OutXoffSent),
5666     STATS_OFFSET32(stat_MacControlFramesReceived),
5667     STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
5668     STATS_OFFSET32(stat_IfInMBUFDiscards),
5669     STATS_OFFSET32(stat_FwRxDrop),
5670 };
5671
5672 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
5673  * skipped because of errata.
5674  */
5675 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
5676         8,0,8,8,8,8,8,8,8,8,
5677         4,0,4,4,4,4,4,4,4,4,
5678         4,4,4,4,4,4,4,4,4,4,
5679         4,4,4,4,4,4,4,4,4,4,
5680         4,4,4,4,4,4,
5681 };
5682
5683 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
5684         8,0,8,8,8,8,8,8,8,8,
5685         4,4,4,4,4,4,4,4,4,4,
5686         4,4,4,4,4,4,4,4,4,4,
5687         4,4,4,4,4,4,4,4,4,4,
5688         4,4,4,4,4,4,
5689 };
5690
5691 #define BNX2_NUM_TESTS 6
5692
5693 static struct {
5694         char string[ETH_GSTRING_LEN];
5695 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
5696         { "register_test (offline)" },
5697         { "memory_test (offline)" },
5698         { "loopback_test (offline)" },
5699         { "nvram_test (online)" },
5700         { "interrupt_test (online)" },
5701         { "link_test (online)" },
5702 };
5703
5704 static int
5705 bnx2_self_test_count(struct net_device *dev)
5706 {
5707         return BNX2_NUM_TESTS;
5708 }
5709
5710 static void
5711 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
5712 {
5713         struct bnx2 *bp = netdev_priv(dev);
5714
5715         memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
5716         if (etest->flags & ETH_TEST_FL_OFFLINE) {
5717                 int i;
5718
5719                 bnx2_netif_stop(bp);
5720                 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
5721                 bnx2_free_skbs(bp);
5722
5723                 if (bnx2_test_registers(bp) != 0) {
5724                         buf[0] = 1;
5725                         etest->flags |= ETH_TEST_FL_FAILED;
5726                 }
5727                 if (bnx2_test_memory(bp) != 0) {
5728                         buf[1] = 1;
5729                         etest->flags |= ETH_TEST_FL_FAILED;
5730                 }
5731                 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
5732                         etest->flags |= ETH_TEST_FL_FAILED;
5733
5734                 if (!netif_running(bp->dev)) {
5735                         bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
5736                 }
5737                 else {
5738                         bnx2_init_nic(bp);
5739                         bnx2_netif_start(bp);
5740                 }
5741
5742                 /* wait for link up */
5743                 for (i = 0; i < 7; i++) {
5744                         if (bp->link_up)
5745                                 break;
5746                         msleep_interruptible(1000);
5747                 }
5748         }
5749
5750         if (bnx2_test_nvram(bp) != 0) {
5751                 buf[3] = 1;
5752                 etest->flags |= ETH_TEST_FL_FAILED;
5753         }
5754         if (bnx2_test_intr(bp) != 0) {
5755                 buf[4] = 1;
5756                 etest->flags |= ETH_TEST_FL_FAILED;
5757         }
5758
5759         if (bnx2_test_link(bp) != 0) {
5760                 buf[5] = 1;
5761                 etest->flags |= ETH_TEST_FL_FAILED;
5762
5763         }
5764 }
5765
5766 static void
5767 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
5768 {
5769         switch (stringset) {
5770         case ETH_SS_STATS:
5771                 memcpy(buf, bnx2_stats_str_arr,
5772                         sizeof(bnx2_stats_str_arr));
5773                 break;
5774         case ETH_SS_TEST:
5775                 memcpy(buf, bnx2_tests_str_arr,
5776                         sizeof(bnx2_tests_str_arr));
5777                 break;
5778         }
5779 }
5780
5781 static int
5782 bnx2_get_stats_count(struct net_device *dev)
5783 {
5784         return BNX2_NUM_STATS;
5785 }
5786
5787 static void
5788 bnx2_get_ethtool_stats(struct net_device *dev,
5789                 struct ethtool_stats *stats, u64 *buf)
5790 {
5791         struct bnx2 *bp = netdev_priv(dev);
5792         int i;
5793         u32 *hw_stats = (u32 *) bp->stats_blk;
5794         u8 *stats_len_arr = NULL;
5795
5796         if (hw_stats == NULL) {
5797                 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
5798                 return;
5799         }
5800
5801         if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
5802             (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
5803             (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
5804             (CHIP_ID(bp) == CHIP_ID_5708_A0))
5805                 stats_len_arr = bnx2_5706_stats_len_arr;
5806         else
5807                 stats_len_arr = bnx2_5708_stats_len_arr;
5808
5809         for (i = 0; i < BNX2_NUM_STATS; i++) {
5810                 if (stats_len_arr[i] == 0) {
5811                         /* skip this counter */
5812                         buf[i] = 0;
5813                         continue;
5814                 }
5815                 if (stats_len_arr[i] == 4) {
5816                         /* 4-byte counter */
5817                         buf[i] = (u64)
5818                                 *(hw_stats + bnx2_stats_offset_arr[i]);
5819                         continue;
5820                 }
5821                 /* 8-byte counter */
5822                 buf[i] = (((u64) *(hw_stats +
5823                                         bnx2_stats_offset_arr[i])) << 32) +
5824                                 *(hw_stats + bnx2_stats_offset_arr[i] + 1);
5825         }
5826 }
5827
5828 static int
5829 bnx2_phys_id(struct net_device *dev, u32 data)
5830 {
5831         struct bnx2 *bp = netdev_priv(dev);
5832         int i;
5833         u32 save;
5834
5835         if (data == 0)
5836                 data = 2;
5837
5838         save = REG_RD(bp, BNX2_MISC_CFG);
5839         REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
5840
5841         for (i = 0; i < (data * 2); i++) {
5842                 if ((i % 2) == 0) {
5843                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
5844                 }
5845                 else {
5846                         REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
5847                                 BNX2_EMAC_LED_1000MB_OVERRIDE |
5848                                 BNX2_EMAC_LED_100MB_OVERRIDE |
5849                                 BNX2_EMAC_LED_10MB_OVERRIDE |
5850                                 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
5851                                 BNX2_EMAC_LED_TRAFFIC);
5852                 }
5853                 msleep_interruptible(500);
5854                 if (signal_pending(current))
5855                         break;
5856         }
5857         REG_WR(bp, BNX2_EMAC_LED, 0);
5858         REG_WR(bp, BNX2_MISC_CFG, save);
5859         return 0;
5860 }
5861
5862 static int
5863 bnx2_set_tx_csum(struct net_device *dev, u32 data)
5864 {
5865         struct bnx2 *bp = netdev_priv(dev);
5866
5867         if (CHIP_NUM(bp) == CHIP_NUM_5709)
5868                 return (ethtool_op_set_tx_hw_csum(dev, data));
5869         else
5870                 return (ethtool_op_set_tx_csum(dev, data));
5871 }
5872
5873 static const struct ethtool_ops bnx2_ethtool_ops = {
5874         .get_settings           = bnx2_get_settings,
5875         .set_settings           = bnx2_set_settings,
5876         .get_drvinfo            = bnx2_get_drvinfo,
5877         .get_regs_len           = bnx2_get_regs_len,
5878         .get_regs               = bnx2_get_regs,
5879         .get_wol                = bnx2_get_wol,
5880         .set_wol                = bnx2_set_wol,
5881         .nway_reset             = bnx2_nway_reset,
5882         .get_link               = ethtool_op_get_link,
5883         .get_eeprom_len         = bnx2_get_eeprom_len,
5884         .get_eeprom             = bnx2_get_eeprom,
5885         .set_eeprom             = bnx2_set_eeprom,
5886         .get_coalesce           = bnx2_get_coalesce,
5887         .set_coalesce           = bnx2_set_coalesce,
5888         .get_ringparam          = bnx2_get_ringparam,
5889         .set_ringparam          = bnx2_set_ringparam,
5890         .get_pauseparam         = bnx2_get_pauseparam,
5891         .set_pauseparam         = bnx2_set_pauseparam,
5892         .get_rx_csum            = bnx2_get_rx_csum,
5893         .set_rx_csum            = bnx2_set_rx_csum,
5894         .get_tx_csum            = ethtool_op_get_tx_csum,
5895         .set_tx_csum            = bnx2_set_tx_csum,
5896         .get_sg                 = ethtool_op_get_sg,
5897         .set_sg                 = ethtool_op_set_sg,
5898         .get_tso                = ethtool_op_get_tso,
5899         .set_tso                = bnx2_set_tso,
5900         .self_test_count        = bnx2_self_test_count,
5901         .self_test              = bnx2_self_test,
5902         .get_strings            = bnx2_get_strings,
5903         .phys_id                = bnx2_phys_id,
5904         .get_stats_count        = bnx2_get_stats_count,
5905         .get_ethtool_stats      = bnx2_get_ethtool_stats,
5906         .get_perm_addr          = ethtool_op_get_perm_addr,
5907 };
5908
5909 /* Called with rtnl_lock */
5910 static int
5911 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
5912 {
5913         struct mii_ioctl_data *data = if_mii(ifr);
5914         struct bnx2 *bp = netdev_priv(dev);
5915         int err;
5916
5917         switch(cmd) {
5918         case SIOCGMIIPHY:
5919                 data->phy_id = bp->phy_addr;
5920
5921                 /* fallthru */
5922         case SIOCGMIIREG: {
5923                 u32 mii_regval;
5924
5925                 if (!netif_running(dev))
5926                         return -EAGAIN;
5927
5928                 spin_lock_bh(&bp->phy_lock);
5929                 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
5930                 spin_unlock_bh(&bp->phy_lock);
5931
5932                 data->val_out = mii_regval;
5933
5934                 return err;
5935         }
5936
5937         case SIOCSMIIREG:
5938                 if (!capable(CAP_NET_ADMIN))
5939                         return -EPERM;
5940
5941                 if (!netif_running(dev))
5942                         return -EAGAIN;
5943
5944                 spin_lock_bh(&bp->phy_lock);
5945                 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
5946                 spin_unlock_bh(&bp->phy_lock);
5947
5948                 return err;
5949
5950         default:
5951                 /* do nothing */
5952                 break;
5953         }
5954         return -EOPNOTSUPP;
5955 }
5956
5957 /* Called with rtnl_lock */
5958 static int
5959 bnx2_change_mac_addr(struct net_device *dev, void *p)
5960 {
5961         struct sockaddr *addr = p;
5962         struct bnx2 *bp = netdev_priv(dev);
5963
5964         if (!is_valid_ether_addr(addr->sa_data))
5965                 return -EINVAL;
5966
5967         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5968         if (netif_running(dev))
5969                 bnx2_set_mac_addr(bp);
5970
5971         return 0;
5972 }
5973
5974 /* Called with rtnl_lock */
5975 static int
5976 bnx2_change_mtu(struct net_device *dev, int new_mtu)
5977 {
5978         struct bnx2 *bp = netdev_priv(dev);
5979
5980         if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
5981                 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
5982                 return -EINVAL;
5983
5984         dev->mtu = new_mtu;
5985         if (netif_running(dev)) {
5986                 bnx2_netif_stop(bp);
5987
5988                 bnx2_init_nic(bp);
5989
5990                 bnx2_netif_start(bp);
5991         }
5992         return 0;
5993 }
5994
5995 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
5996 static void
5997 poll_bnx2(struct net_device *dev)
5998 {
5999         struct bnx2 *bp = netdev_priv(dev);
6000
6001         disable_irq(bp->pdev->irq);
6002         bnx2_interrupt(bp->pdev->irq, dev);
6003         enable_irq(bp->pdev->irq);
6004 }
6005 #endif
6006
6007 static void __devinit
6008 bnx2_get_5709_media(struct bnx2 *bp)
6009 {
6010         u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
6011         u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
6012         u32 strap;
6013
6014         if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
6015                 return;
6016         else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
6017                 bp->phy_flags |= PHY_SERDES_FLAG;
6018                 return;
6019         }
6020
6021         if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
6022                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
6023         else
6024                 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
6025
6026         if (PCI_FUNC(bp->pdev->devfn) == 0) {
6027                 switch (strap) {
6028                 case 0x4:
6029                 case 0x5:
6030                 case 0x6:
6031                         bp->phy_flags |= PHY_SERDES_FLAG;
6032                         return;
6033                 }
6034         } else {
6035                 switch (strap) {
6036                 case 0x1:
6037                 case 0x2:
6038                 case 0x4:
6039                         bp->phy_flags |= PHY_SERDES_FLAG;
6040                         return;
6041                 }
6042         }
6043 }
6044
6045 static void __devinit
6046 bnx2_get_pci_speed(struct bnx2 *bp)
6047 {
6048         u32 reg;
6049
6050         reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
6051         if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
6052                 u32 clkreg;
6053
6054                 bp->flags |= PCIX_FLAG;
6055
6056                 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
6057
6058                 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
6059                 switch (clkreg) {
6060                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
6061                         bp->bus_speed_mhz = 133;
6062                         break;
6063
6064                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
6065                         bp->bus_speed_mhz = 100;
6066                         break;
6067
6068                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
6069                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
6070                         bp->bus_speed_mhz = 66;
6071                         break;
6072
6073                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
6074                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
6075                         bp->bus_speed_mhz = 50;
6076                         break;
6077
6078                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
6079                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
6080                 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
6081                         bp->bus_speed_mhz = 33;
6082                         break;
6083                 }
6084         }
6085         else {
6086                 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
6087                         bp->bus_speed_mhz = 66;
6088                 else
6089                         bp->bus_speed_mhz = 33;
6090         }
6091
6092         if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
6093                 bp->flags |= PCI_32BIT_FLAG;
6094
6095 }
6096
6097 static int __devinit
6098 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
6099 {
6100         struct bnx2 *bp;
6101         unsigned long mem_len;
6102         int rc;
6103         u32 reg;
6104         u64 dma_mask, persist_dma_mask;
6105
6106         SET_MODULE_OWNER(dev);
6107         SET_NETDEV_DEV(dev, &pdev->dev);
6108         bp = netdev_priv(dev);
6109
6110         bp->flags = 0;
6111         bp->phy_flags = 0;
6112
6113         /* enable device (incl. PCI PM wakeup), and bus-mastering */
6114         rc = pci_enable_device(pdev);
6115         if (rc) {
6116                 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.");
6117                 goto err_out;
6118         }
6119
6120         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
6121                 dev_err(&pdev->dev,
6122                         "Cannot find PCI device base address, aborting.\n");
6123                 rc = -ENODEV;
6124                 goto err_out_disable;
6125         }
6126
6127         rc = pci_request_regions(pdev, DRV_MODULE_NAME);
6128         if (rc) {
6129                 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
6130                 goto err_out_disable;
6131         }
6132
6133         pci_set_master(pdev);
6134
6135         bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
6136         if (bp->pm_cap == 0) {
6137                 dev_err(&pdev->dev,
6138                         "Cannot find power management capability, aborting.\n");
6139                 rc = -EIO;
6140                 goto err_out_release;
6141         }
6142
6143         bp->dev = dev;
6144         bp->pdev = pdev;
6145
6146         spin_lock_init(&bp->phy_lock);
6147         spin_lock_init(&bp->indirect_lock);
6148         INIT_WORK(&bp->reset_task, bnx2_reset_task);
6149
6150         dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
6151         mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
6152         dev->mem_end = dev->mem_start + mem_len;
6153         dev->irq = pdev->irq;
6154
6155         bp->regview = ioremap_nocache(dev->base_addr, mem_len);
6156
6157         if (!bp->regview) {
6158                 dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
6159                 rc = -ENOMEM;
6160                 goto err_out_release;
6161         }
6162
6163         /* Configure byte swap and enable write to the reg_window registers.
6164          * Rely on CPU to do target byte swapping on big endian systems
6165          * The chip's target access swapping will not swap all accesses
6166          */
6167         pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
6168                                BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
6169                                BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
6170
6171         bnx2_set_power_state(bp, PCI_D0);
6172
6173         bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
6174
6175         if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6176                 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
6177                         dev_err(&pdev->dev,
6178                                 "Cannot find PCIE capability, aborting.\n");
6179                         rc = -EIO;
6180                         goto err_out_unmap;
6181                 }
6182                 bp->flags |= PCIE_FLAG;
6183         } else {
6184                 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
6185                 if (bp->pcix_cap == 0) {
6186                         dev_err(&pdev->dev,
6187                                 "Cannot find PCIX capability, aborting.\n");
6188                         rc = -EIO;
6189                         goto err_out_unmap;
6190                 }
6191         }
6192
6193         if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
6194                 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
6195                         bp->flags |= MSI_CAP_FLAG;
6196         }
6197
6198         /* 5708 cannot support DMA addresses > 40-bit.  */
6199         if (CHIP_NUM(bp) == CHIP_NUM_5708)
6200                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
6201         else
6202                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
6203
6204         /* Configure DMA attributes. */
6205         if (pci_set_dma_mask(pdev, dma_mask) == 0) {
6206                 dev->features |= NETIF_F_HIGHDMA;
6207                 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
6208                 if (rc) {
6209                         dev_err(&pdev->dev,
6210                                 "pci_set_consistent_dma_mask failed, aborting.\n");
6211                         goto err_out_unmap;
6212                 }
6213         } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
6214                 dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
6215                 goto err_out_unmap;
6216         }
6217
6218         if (!(bp->flags & PCIE_FLAG))
6219                 bnx2_get_pci_speed(bp);
6220
6221         /* 5706A0 may falsely detect SERR and PERR. */
6222         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
6223                 reg = REG_RD(bp, PCI_COMMAND);
6224                 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
6225                 REG_WR(bp, PCI_COMMAND, reg);
6226         }
6227         else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
6228                 !(bp->flags & PCIX_FLAG)) {
6229
6230                 dev_err(&pdev->dev,
6231                         "5706 A1 can only be used in a PCIX bus, aborting.\n");
6232                 goto err_out_unmap;
6233         }
6234
6235         bnx2_init_nvram(bp);
6236
6237         reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);
6238
6239         if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
6240             BNX2_SHM_HDR_SIGNATURE_SIG) {
6241                 u32 off = PCI_FUNC(pdev->devfn) << 2;
6242
6243                 bp->shmem_base = REG_RD_IND(bp, BNX2_SHM_HDR_ADDR_0 + off);
6244         } else
6245                 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
6246
6247         /* Get the permanent MAC address.  First we need to make sure the
6248          * firmware is actually running.
6249          */
6250         reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
6251
6252         if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
6253             BNX2_DEV_INFO_SIGNATURE_MAGIC) {
6254                 dev_err(&pdev->dev, "Firmware not running, aborting.\n");
6255                 rc = -ENODEV;
6256                 goto err_out_unmap;
6257         }
6258
6259         bp->fw_ver = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
6260
6261         reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
6262         bp->mac_addr[0] = (u8) (reg >> 8);
6263         bp->mac_addr[1] = (u8) reg;
6264
6265         reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
6266         bp->mac_addr[2] = (u8) (reg >> 24);
6267         bp->mac_addr[3] = (u8) (reg >> 16);
6268         bp->mac_addr[4] = (u8) (reg >> 8);
6269         bp->mac_addr[5] = (u8) reg;
6270
6271         bp->tx_ring_size = MAX_TX_DESC_CNT;
6272         bnx2_set_rx_ring_size(bp, 255);
6273
6274         bp->rx_csum = 1;
6275
6276         bp->rx_offset = sizeof(struct l2_fhdr) + 2;
6277
6278         bp->tx_quick_cons_trip_int = 20;
6279         bp->tx_quick_cons_trip = 20;
6280         bp->tx_ticks_int = 80;
6281         bp->tx_ticks = 80;
6282
6283         bp->rx_quick_cons_trip_int = 6;
6284         bp->rx_quick_cons_trip = 6;
6285         bp->rx_ticks_int = 18;
6286         bp->rx_ticks = 18;
6287
6288         bp->stats_ticks = 1000000 & 0xffff00;
6289
6290         bp->timer_interval =  HZ;
6291         bp->current_interval =  HZ;
6292
6293         bp->phy_addr = 1;
6294
6295         /* Disable WOL support if we are running on a SERDES chip. */
6296         if (CHIP_NUM(bp) == CHIP_NUM_5709)
6297                 bnx2_get_5709_media(bp);
6298         else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
6299                 bp->phy_flags |= PHY_SERDES_FLAG;
6300
6301         if (bp->phy_flags & PHY_SERDES_FLAG) {
6302                 bp->flags |= NO_WOL_FLAG;
6303                 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
6304                         bp->phy_addr = 2;
6305                         reg = REG_RD_IND(bp, bp->shmem_base +
6306                                          BNX2_SHARED_HW_CFG_CONFIG);
6307                         if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
6308                                 bp->phy_flags |= PHY_2_5G_CAPABLE_FLAG;
6309                 }
6310         } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
6311                    CHIP_NUM(bp) == CHIP_NUM_5708)
6312                 bp->phy_flags |= PHY_CRC_FIX_FLAG;
6313         else if (CHIP_ID(bp) == CHIP_ID_5709_A0)
6314                 bp->phy_flags |= PHY_DIS_EARLY_DAC_FLAG;
6315
6316         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
6317             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
6318             (CHIP_ID(bp) == CHIP_ID_5708_B1))
6319                 bp->flags |= NO_WOL_FLAG;
6320
6321         if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
6322                 bp->tx_quick_cons_trip_int =
6323                         bp->tx_quick_cons_trip;
6324                 bp->tx_ticks_int = bp->tx_ticks;
6325                 bp->rx_quick_cons_trip_int =
6326                         bp->rx_quick_cons_trip;
6327                 bp->rx_ticks_int = bp->rx_ticks;
6328                 bp->comp_prod_trip_int = bp->comp_prod_trip;
6329                 bp->com_ticks_int = bp->com_ticks;
6330                 bp->cmd_ticks_int = bp->cmd_ticks;
6331         }
6332
6333         /* Disable MSI on 5706 if AMD 8132 bridge is found.
6334          *
6335          * MSI is defined to be 32-bit write.  The 5706 does 64-bit MSI writes
6336          * with byte enables disabled on the unused 32-bit word.  This is legal
6337          * but causes problems on the AMD 8132 which will eventually stop
6338          * responding after a while.
6339          *
6340          * AMD believes this incompatibility is unique to the 5706, and
6341          * prefers to locally disable MSI rather than globally disabling it.
6342          */
6343         if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
6344                 struct pci_dev *amd_8132 = NULL;
6345
6346                 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
6347                                                   PCI_DEVICE_ID_AMD_8132_BRIDGE,
6348                                                   amd_8132))) {
6349                         u8 rev;
6350
6351                         pci_read_config_byte(amd_8132, PCI_REVISION_ID, &rev);
6352                         if (rev >= 0x10 && rev <= 0x13) {
6353                                 disable_msi = 1;
6354                                 pci_dev_put(amd_8132);
6355                                 break;
6356                         }
6357                 }
6358         }
6359
6360         bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
6361         bp->req_line_speed = 0;
6362         if (bp->phy_flags & PHY_SERDES_FLAG) {
6363                 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
6364
6365                 reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG);
6366                 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
6367                 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
6368                         bp->autoneg = 0;
6369                         bp->req_line_speed = bp->line_speed = SPEED_1000;
6370                         bp->req_duplex = DUPLEX_FULL;
6371                 }
6372         }
6373         else {
6374                 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
6375         }
6376
6377         bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
6378
6379         init_timer(&bp->timer);
6380         bp->timer.expires = RUN_AT(bp->timer_interval);
6381         bp->timer.data = (unsigned long) bp;
6382         bp->timer.function = bnx2_timer;
6383
6384         return 0;
6385
6386 err_out_unmap:
6387         if (bp->regview) {
6388                 iounmap(bp->regview);
6389                 bp->regview = NULL;
6390         }
6391
6392 err_out_release:
6393         pci_release_regions(pdev);
6394
6395 err_out_disable:
6396         pci_disable_device(pdev);
6397         pci_set_drvdata(pdev, NULL);
6398
6399 err_out:
6400         return rc;
6401 }
6402
6403 static char * __devinit
6404 bnx2_bus_string(struct bnx2 *bp, char *str)
6405 {
6406         char *s = str;
6407
6408         if (bp->flags & PCIE_FLAG) {
6409                 s += sprintf(s, "PCI Express");
6410         } else {
6411                 s += sprintf(s, "PCI");
6412                 if (bp->flags & PCIX_FLAG)
6413                         s += sprintf(s, "-X");
6414                 if (bp->flags & PCI_32BIT_FLAG)
6415                         s += sprintf(s, " 32-bit");
6416                 else
6417                         s += sprintf(s, " 64-bit");
6418                 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
6419         }
6420         return str;
6421 }
6422
6423 static int __devinit
6424 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
6425 {
6426         static int version_printed = 0;
6427         struct net_device *dev = NULL;
6428         struct bnx2 *bp;
6429         int rc, i;
6430         char str[40];
6431
6432         if (version_printed++ == 0)
6433                 printk(KERN_INFO "%s", version);
6434
6435         /* dev zeroed in init_etherdev */
6436         dev = alloc_etherdev(sizeof(*bp));
6437
6438         if (!dev)
6439                 return -ENOMEM;
6440
6441         rc = bnx2_init_board(pdev, dev);
6442         if (rc < 0) {
6443                 free_netdev(dev);
6444                 return rc;
6445         }
6446
6447         dev->open = bnx2_open;
6448         dev->hard_start_xmit = bnx2_start_xmit;
6449         dev->stop = bnx2_close;
6450         dev->get_stats = bnx2_get_stats;
6451         dev->set_multicast_list = bnx2_set_rx_mode;
6452         dev->do_ioctl = bnx2_ioctl;
6453         dev->set_mac_address = bnx2_change_mac_addr;
6454         dev->change_mtu = bnx2_change_mtu;
6455         dev->tx_timeout = bnx2_tx_timeout;
6456         dev->watchdog_timeo = TX_TIMEOUT;
6457 #ifdef BCM_VLAN
6458         dev->vlan_rx_register = bnx2_vlan_rx_register;
6459 #endif
6460         dev->poll = bnx2_poll;
6461         dev->ethtool_ops = &bnx2_ethtool_ops;
6462         dev->weight = 64;
6463
6464         bp = netdev_priv(dev);
6465
6466 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
6467         dev->poll_controller = poll_bnx2;
6468 #endif
6469
6470         pci_set_drvdata(pdev, dev);
6471
6472         memcpy(dev->dev_addr, bp->mac_addr, 6);
6473         memcpy(dev->perm_addr, bp->mac_addr, 6);
6474         bp->name = board_info[ent->driver_data].name;
6475
6476         if (CHIP_NUM(bp) == CHIP_NUM_5709)
6477                 dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG;
6478         else
6479                 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
6480 #ifdef BCM_VLAN
6481         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
6482 #endif
6483         dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6484         if (CHIP_NUM(bp) == CHIP_NUM_5709)
6485                 dev->features |= NETIF_F_TSO6;
6486
6487         if ((rc = register_netdev(dev))) {
6488                 dev_err(&pdev->dev, "Cannot register net device\n");
6489                 if (bp->regview)
6490                         iounmap(bp->regview);
6491                 pci_release_regions(pdev);
6492                 pci_disable_device(pdev);
6493                 pci_set_drvdata(pdev, NULL);
6494                 free_netdev(dev);
6495                 return rc;
6496         }
6497
6498         printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
6499                 "IRQ %d, ",
6500                 dev->name,
6501                 bp->name,
6502                 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
6503                 ((CHIP_ID(bp) & 0x0ff0) >> 4),
6504                 bnx2_bus_string(bp, str),
6505                 dev->base_addr,
6506                 bp->pdev->irq);
6507
6508         printk("node addr ");
6509         for (i = 0; i < 6; i++)
6510                 printk("%2.2x", dev->dev_addr[i]);
6511         printk("\n");
6512
6513         return 0;
6514 }
6515
6516 static void __devexit
6517 bnx2_remove_one(struct pci_dev *pdev)
6518 {
6519         struct net_device *dev = pci_get_drvdata(pdev);
6520         struct bnx2 *bp = netdev_priv(dev);
6521
6522         flush_scheduled_work();
6523
6524         unregister_netdev(dev);
6525
6526         if (bp->regview)
6527                 iounmap(bp->regview);
6528
6529         free_netdev(dev);
6530         pci_release_regions(pdev);
6531         pci_disable_device(pdev);
6532         pci_set_drvdata(pdev, NULL);
6533 }
6534
6535 static int
6536 bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
6537 {
6538         struct net_device *dev = pci_get_drvdata(pdev);
6539         struct bnx2 *bp = netdev_priv(dev);
6540         u32 reset_code;
6541
6542         if (!netif_running(dev))
6543                 return 0;
6544
6545         flush_scheduled_work();
6546         bnx2_netif_stop(bp);
6547         netif_device_detach(dev);
6548         del_timer_sync(&bp->timer);
6549         if (bp->flags & NO_WOL_FLAG)
6550                 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
6551         else if (bp->wol)
6552                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
6553         else
6554                 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
6555         bnx2_reset_chip(bp, reset_code);
6556         bnx2_free_skbs(bp);
6557         pci_save_state(pdev);
6558         bnx2_set_power_state(bp, pci_choose_state(pdev, state));
6559         return 0;
6560 }
6561
6562 static int
6563 bnx2_resume(struct pci_dev *pdev)
6564 {
6565         struct net_device *dev = pci_get_drvdata(pdev);
6566         struct bnx2 *bp = netdev_priv(dev);
6567
6568         if (!netif_running(dev))
6569                 return 0;
6570
6571         pci_restore_state(pdev);
6572         bnx2_set_power_state(bp, PCI_D0);
6573         netif_device_attach(dev);
6574         bnx2_init_nic(bp);
6575         bnx2_netif_start(bp);
6576         return 0;
6577 }
6578
6579 static struct pci_driver bnx2_pci_driver = {
6580         .name           = DRV_MODULE_NAME,
6581         .id_table       = bnx2_pci_tbl,
6582         .probe          = bnx2_init_one,
6583         .remove         = __devexit_p(bnx2_remove_one),
6584         .suspend        = bnx2_suspend,
6585         .resume         = bnx2_resume,
6586 };
6587
6588 static int __init bnx2_init(void)
6589 {
6590         return pci_register_driver(&bnx2_pci_driver);
6591 }
6592
6593 static void __exit bnx2_cleanup(void)
6594 {
6595         pci_unregister_driver(&bnx2_pci_driver);
6596 }
6597
6598 module_init(bnx2_init);
6599 module_exit(bnx2_cleanup);
6600
6601
6602