drivers/net/qla3xxx.c

   1 /*
   2  * QLogic QLA3xxx NIC HBA Driver
   3  * Copyright (c)  2003-2006 QLogic Corporation
   4  *
   5  * See LICENSE.qla3xxx for copyright and licensing details.
   6  */
   7
   8 #include <linux/kernel.h>
   9 #include <linux/init.h>
  10 #include <linux/types.h>
  11 #include <linux/module.h>
  12 #include <linux/list.h>
  13 #include <linux/pci.h>
  14 #include <linux/dma-mapping.h>
  15 #include <linux/sched.h>
  16 #include <linux/slab.h>
  17 #include <linux/dmapool.h>
  18 #include <linux/mempool.h>
  19 #include <linux/spinlock.h>
  20 #include <linux/kthread.h>
  21 #include <linux/interrupt.h>
  22 #include <linux/errno.h>
  23 #include <linux/ioport.h>
  24 #include <linux/ip.h>
  25 #include <linux/in.h>
  26 #include <linux/if_arp.h>
  27 #include <linux/if_ether.h>
  28 #include <linux/netdevice.h>
  29 #include <linux/etherdevice.h>
  30 #include <linux/ethtool.h>
  31 #include <linux/skbuff.h>
  32 #include <linux/rtnetlink.h>
  33 #include <linux/if_vlan.h>
  34 #include <linux/init.h>
  35 #include <linux/delay.h>
  36 #include <linux/mm.h>
  37
  38 #include "qla3xxx.h"
  39
  40 #define DRV_NAME        "qla3xxx"
  41 #define DRV_STRING      "QLogic ISP3XXX Network Driver"
  42 #define DRV_VERSION     "v2.03.00-k4"
  43 #define PFX             DRV_NAME " "
  44
  45 static const char ql3xxx_driver_name[] = DRV_NAME;
  46 static const char ql3xxx_driver_version[] = DRV_VERSION;
  47
  48 MODULE_AUTHOR("QLogic Corporation");
  49 MODULE_DESCRIPTION("QLogic ISP3XXX Network Driver " DRV_VERSION " ");
  50 MODULE_LICENSE("GPL");
  51 MODULE_VERSION(DRV_VERSION);
  52
  53 static const u32 default_msg
  54     = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
  55     | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
  56
  57 static int debug = -1;          /* defaults above */
  58 module_param(debug, int, 0);
  59 MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
  60
  61 static int msi;
  62 module_param(msi, int, 0);
  63 MODULE_PARM_DESC(msi, "Turn on Message Signaled Interrupts.");
  64
  65 static struct pci_device_id ql3xxx_pci_tbl[] __devinitdata = {
  66         {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QL3022_DEVICE_ID)},
  67         {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QL3032_DEVICE_ID)},
  68         /* required last entry */
  69         {0,}
  70 };
  71
  72 MODULE_DEVICE_TABLE(pci, ql3xxx_pci_tbl);
  73
  74 /*
  75  *  These are the known PHY's which are used
  76  */
  77 typedef enum {
  78    PHY_TYPE_UNKNOWN   = 0,
  79    PHY_VITESSE_VSC8211,
  80    PHY_AGERE_ET1011C,
  81    MAX_PHY_DEV_TYPES
  82 } PHY_DEVICE_et;
  83
  84 typedef struct {
  85         PHY_DEVICE_et phyDevice;
  86         u32             phyIdOUI;
  87         u16             phyIdModel;
  88         char            *name;
  89 } PHY_DEVICE_INFO_t;
  90
  91 static const PHY_DEVICE_INFO_t PHY_DEVICES[] =
  92         {{PHY_TYPE_UNKNOWN,    0x000000, 0x0, "PHY_TYPE_UNKNOWN"},
  93          {PHY_VITESSE_VSC8211, 0x0003f1, 0xb, "PHY_VITESSE_VSC8211"},
  94          {PHY_AGERE_ET1011C,   0x00a0bc, 0x1, "PHY_AGERE_ET1011C"},
  95 };
  96
  97
  98 /*
  99  * Caller must take hw_lock.
 100  */
 101 static int ql_sem_spinlock(struct ql3_adapter *qdev,
 102                             u32 sem_mask, u32 sem_bits)
 103 {
 104         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
 105         u32 value;
 106         unsigned int seconds = 3;
 107
 108         do {
 109                 writel((sem_mask | sem_bits),
 110                        &port_regs->CommonRegs.semaphoreReg);
 111                 value = readl(&port_regs->CommonRegs.semaphoreReg);
 112                 if ((value & (sem_mask >> 16)) == sem_bits)
 113                         return 0;
 114                 ssleep(1);
 115         } while(--seconds);
 116         return -1;
 117 }
 118
 119 static void ql_sem_unlock(struct ql3_adapter *qdev, u32 sem_mask)
 120 {
 121         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
 122         writel(sem_mask, &port_regs->CommonRegs.semaphoreReg);
 123         readl(&port_regs->CommonRegs.semaphoreReg);
 124 }
 125
 126 static int ql_sem_lock(struct ql3_adapter *qdev, u32 sem_mask, u32 sem_bits)
 127 {
 128         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
 129         u32 value;
 130
 131         writel((sem_mask | sem_bits), &port_regs->CommonRegs.semaphoreReg);
 132         value = readl(&port_regs->CommonRegs.semaphoreReg);
 133         return ((value & (sem_mask >> 16)) == sem_bits);
 134 }
 135
 136 /*
 137  * Caller holds hw_lock.
 138  */
 139 static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev)
 140 {
 141         int i = 0;
 142
 143         while (1) {
 144                 if (!ql_sem_lock(qdev,
 145                                  QL_DRVR_SEM_MASK,
 146                                  (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index)
 147                                   * 2) << 1)) {
 148                         if (i < 10) {
 149                                 ssleep(1);
 150                                 i++;
 151                         } else {
 152                                 printk(KERN_ERR PFX "%s: Timed out waiting for "
 153                                        "driver lock...\n",
 154                                        qdev->ndev->name);
 155                                 return 0;
 156                         }
 157                 } else {
 158                         printk(KERN_DEBUG PFX
 159                                "%s: driver lock acquired.\n",
 160                                qdev->ndev->name);
 161                         return 1;
 162                 }
 163         }
 164 }
 165
 166 static void ql_set_register_page(struct ql3_adapter *qdev, u32 page)
 167 {
 168         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
 169
 170         writel(((ISP_CONTROL_NP_MASK << 16) | page),
 171                         &port_regs->CommonRegs.ispControlStatus);
 172         readl(&port_regs->CommonRegs.ispControlStatus);
 173         qdev->current_page = page;
 174 }
 175
 176 static u32 ql_read_common_reg_l(struct ql3_adapter *qdev,
 177                               u32 __iomem * reg)
 178 {
 179         u32 value;
 180         unsigned long hw_flags;
 181
 182         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
 183         value = readl(reg);
 184         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
 185
 186         return value;
 187 }
 188
 189 static u32 ql_read_common_reg(struct ql3_adapter *qdev,
 190                               u32 __iomem * reg)
 191 {
 192         return readl(reg);
 193 }
 194
 195 static u32 ql_read_page0_reg_l(struct ql3_adapter *qdev, u32 __iomem *reg)
 196 {
 197         u32 value;
 198         unsigned long hw_flags;
 199
 200         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
 201
 202         if (qdev->current_page != 0)
 203                 ql_set_register_page(qdev,0);
 204         value = readl(reg);
 205
 206         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
 207         return value;
 208 }
 209
 210 static u32 ql_read_page0_reg(struct ql3_adapter *qdev, u32 __iomem *reg)
 211 {
 212         if (qdev->current_page != 0)
 213                 ql_set_register_page(qdev,0);
 214         return readl(reg);
 215 }
 216
 217 static void ql_write_common_reg_l(struct ql3_adapter *qdev,
 218                                 u32 __iomem *reg, u32 value)
 219 {
 220         unsigned long hw_flags;
 221
 222         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
 223         writel(value, reg);
 224         readl(reg);
 225         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
 226         return;
 227 }
 228
 229 static void ql_write_common_reg(struct ql3_adapter *qdev,
 230                                 u32 __iomem *reg, u32 value)
 231 {
 232         writel(value, reg);
 233         readl(reg);
 234         return;
 235 }
 236
 237 static void ql_write_nvram_reg(struct ql3_adapter *qdev,
 238                                 u32 __iomem *reg, u32 value)
 239 {
 240         writel(value, reg);
 241         readl(reg);
 242         udelay(1);
 243         return;
 244 }
 245
 246 static void ql_write_page0_reg(struct ql3_adapter *qdev,
 247                                u32 __iomem *reg, u32 value)
 248 {
 249         if (qdev->current_page != 0)
 250                 ql_set_register_page(qdev,0);
 251         writel(value, reg);
 252         readl(reg);
 253         return;
 254 }
 255
 256 /*
 257  * Caller holds hw_lock. Only called during init.
 258  */
 259 static void ql_write_page1_reg(struct ql3_adapter *qdev,
 260                                u32 __iomem *reg, u32 value)
 261 {
 262         if (qdev->current_page != 1)
 263                 ql_set_register_page(qdev,1);
 264         writel(value, reg);
 265         readl(reg);
 266         return;
 267 }
 268
 269 /*
 270  * Caller holds hw_lock. Only called during init.
 271  */
 272 static void ql_write_page2_reg(struct ql3_adapter *qdev,
 273                                u32 __iomem *reg, u32 value)
 274 {
 275         if (qdev->current_page != 2)
 276                 ql_set_register_page(qdev,2);
 277         writel(value, reg);
 278         readl(reg);
 279         return;
 280 }
 281
 282 static void ql_disable_interrupts(struct ql3_adapter *qdev)
 283 {
 284         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
 285
 286         ql_write_common_reg_l(qdev, &port_regs->CommonRegs.ispInterruptMaskReg,
 287                             (ISP_IMR_ENABLE_INT << 16));
 288
 289 }
 290
 291 static void ql_enable_interrupts(struct ql3_adapter *qdev)
 292 {
 293         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
 294
 295         ql_write_common_reg_l(qdev, &port_regs->CommonRegs.ispInterruptMaskReg,
 296                             ((0xff << 16) | ISP_IMR_ENABLE_INT));
 297
 298 }
 299
 300 static void ql_release_to_lrg_buf_free_list(struct ql3_adapter *qdev,
 301                                             struct ql_rcv_buf_cb *lrg_buf_cb)
 302 {
 303         dma_addr_t map;
 304         int err;
 305         lrg_buf_cb->next = NULL;
 306
 307         if (qdev->lrg_buf_free_tail == NULL) {  /* The list is empty  */
 308                 qdev->lrg_buf_free_head = qdev->lrg_buf_free_tail = lrg_buf_cb;
 309         } else {
 310                 qdev->lrg_buf_free_tail->next = lrg_buf_cb;
 311                 qdev->lrg_buf_free_tail = lrg_buf_cb;
 312         }
 313
 314         if (!lrg_buf_cb->skb) {
 315                 lrg_buf_cb->skb = netdev_alloc_skb(qdev->ndev,
 316                                                    qdev->lrg_buffer_len);
 317                 if (unlikely(!lrg_buf_cb->skb)) {
 318                         printk(KERN_ERR PFX "%s: failed netdev_alloc_skb().\n",
 319                                qdev->ndev->name);
 320                         qdev->lrg_buf_skb_check++;
 321                 } else {
 322                         /*
 323                          * We save some space to copy the ethhdr from first
 324                          * buffer
 325                          */
 326                         skb_reserve(lrg_buf_cb->skb, QL_HEADER_SPACE);
 327                         map = pci_map_single(qdev->pdev,
 328                                              lrg_buf_cb->skb->data,
 329                                              qdev->lrg_buffer_len -
 330                                              QL_HEADER_SPACE,
 331                                              PCI_DMA_FROMDEVICE);
 332                         err = pci_dma_mapping_error(map);
 333                         if(err) {
 334                                 printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
 335                                        qdev->ndev->name, err);
 336                                 dev_kfree_skb(lrg_buf_cb->skb);
 337                                 lrg_buf_cb->skb = NULL;
 338
 339                                 qdev->lrg_buf_skb_check++;
 340                                 return;
 341                         }
 342
 343                         lrg_buf_cb->buf_phy_addr_low =
 344                             cpu_to_le32(LS_64BITS(map));
 345                         lrg_buf_cb->buf_phy_addr_high =
 346                             cpu_to_le32(MS_64BITS(map));
 347                         pci_unmap_addr_set(lrg_buf_cb, mapaddr, map);
 348                         pci_unmap_len_set(lrg_buf_cb, maplen,
 349                                           qdev->lrg_buffer_len -
 350                                           QL_HEADER_SPACE);
 351                 }
 352         }
 353
 354         qdev->lrg_buf_free_count++;
 355 }
 356
 357 static struct ql_rcv_buf_cb *ql_get_from_lrg_buf_free_list(struct ql3_adapter
 358                                                            *qdev)
 359 {
 360         struct ql_rcv_buf_cb *lrg_buf_cb;
 361
 362         if ((lrg_buf_cb = qdev->lrg_buf_free_head) != NULL) {
 363                 if ((qdev->lrg_buf_free_head = lrg_buf_cb->next) == NULL)
 364                         qdev->lrg_buf_free_tail = NULL;
 365                 qdev->lrg_buf_free_count--;
 366         }
 367
 368         return lrg_buf_cb;
 369 }
 370
 371 static u32 addrBits = EEPROM_NO_ADDR_BITS;
 372 static u32 dataBits = EEPROM_NO_DATA_BITS;
 373
 374 static void fm93c56a_deselect(struct ql3_adapter *qdev);
 375 static void eeprom_readword(struct ql3_adapter *qdev, u32 eepromAddr,
 376                             unsigned short *value);
 377
 378 /*
 379  * Caller holds hw_lock.
 380  */
 381 static void fm93c56a_select(struct ql3_adapter *qdev)
 382 {
 383         struct ql3xxx_port_registers __iomem *port_regs =
 384                         qdev->mem_map_registers;
 385
 386         qdev->eeprom_cmd_data = AUBURN_EEPROM_CS_1;
 387         ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
 388                             ISP_NVRAM_MASK | qdev->eeprom_cmd_data);
 389         ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
 390                             ((ISP_NVRAM_MASK << 16) | qdev->eeprom_cmd_data));
 391 }
 392
 393 /*
 394  * Caller holds hw_lock.
 395  */
 396 static void fm93c56a_cmd(struct ql3_adapter *qdev, u32 cmd, u32 eepromAddr)
 397 {
 398         int i;
 399         u32 mask;
 400         u32 dataBit;
 401         u32 previousBit;
 402         struct ql3xxx_port_registers __iomem *port_regs =
 403                         qdev->mem_map_registers;
 404
 405         /* Clock in a zero, then do the start bit */
 406         ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
 407                             ISP_NVRAM_MASK | qdev->eeprom_cmd_data |
 408                             AUBURN_EEPROM_DO_1);
 409         ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
 410                             ISP_NVRAM_MASK | qdev->
 411                             eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
 412                             AUBURN_EEPROM_CLK_RISE);
 413         ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
 414                             ISP_NVRAM_MASK | qdev->
 415                             eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
 416                             AUBURN_EEPROM_CLK_FALL);
 417
 418         mask = 1 << (FM93C56A_CMD_BITS - 1);
 419         /* Force the previous data bit to be different */
 420         previousBit = 0xffff;
 421         for (i = 0; i < FM93C56A_CMD_BITS; i++) {
 422                 dataBit =
 423                     (cmd & mask) ? AUBURN_EEPROM_DO_1 : AUBURN_EEPROM_DO_0;
 424                 if (previousBit != dataBit) {
 425                         /*
 426                          * If the bit changed, then change the DO state to
 427                          * match
 428                          */
 429                         ql_write_nvram_reg(qdev,
 430                                             &port_regs->CommonRegs.
 431                                             serialPortInterfaceReg,
 432                                             ISP_NVRAM_MASK | qdev->
 433                                             eeprom_cmd_data | dataBit);
 434                         previousBit = dataBit;
 435                 }
 436                 ql_write_nvram_reg(qdev,
 437                                     &port_regs->CommonRegs.
 438                                     serialPortInterfaceReg,
 439                                     ISP_NVRAM_MASK | qdev->
 440                                     eeprom_cmd_data | dataBit |
 441                                     AUBURN_EEPROM_CLK_RISE);
 442                 ql_write_nvram_reg(qdev,
 443                                     &port_regs->CommonRegs.
 444                                     serialPortInterfaceReg,
 445                                     ISP_NVRAM_MASK | qdev->
 446                                     eeprom_cmd_data | dataBit |
 447                                     AUBURN_EEPROM_CLK_FALL);
 448                 cmd = cmd << 1;
 449         }
 450
 451         mask = 1 << (addrBits - 1);
 452         /* Force the previous data bit to be different */
 453         previousBit = 0xffff;
 454         for (i = 0; i < addrBits; i++) {
 455                 dataBit =
 456                     (eepromAddr & mask) ? AUBURN_EEPROM_DO_1 :
 457                     AUBURN_EEPROM_DO_0;
 458                 if (previousBit != dataBit) {
 459                         /*
 460                          * If the bit changed, then change the DO state to
 461                          * match
 462                          */
 463                         ql_write_nvram_reg(qdev,
 464                                             &port_regs->CommonRegs.
 465                                             serialPortInterfaceReg,
 466                                             ISP_NVRAM_MASK | qdev->
 467                                             eeprom_cmd_data | dataBit);
 468                         previousBit = dataBit;
 469                 }
 470                 ql_write_nvram_reg(qdev,
 471                                     &port_regs->CommonRegs.
 472                                     serialPortInterfaceReg,
 473                                     ISP_NVRAM_MASK | qdev->
 474                                     eeprom_cmd_data | dataBit |
 475                                     AUBURN_EEPROM_CLK_RISE);
 476                 ql_write_nvram_reg(qdev,
 477                                     &port_regs->CommonRegs.
 478                                     serialPortInterfaceReg,
 479                                     ISP_NVRAM_MASK | qdev->
 480                                     eeprom_cmd_data | dataBit |
 481                                     AUBURN_EEPROM_CLK_FALL);
 482                 eepromAddr = eepromAddr << 1;
 483         }
 484 }
 485
 486 /*
 487  * Caller holds hw_lock.
 488  */
 489 static void fm93c56a_deselect(struct ql3_adapter *qdev)
 490 {
 491         struct ql3xxx_port_registers __iomem *port_regs =
 492                         qdev->mem_map_registers;
 493         qdev->eeprom_cmd_data = AUBURN_EEPROM_CS_0;
 494         ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
 495                             ISP_NVRAM_MASK | qdev->eeprom_cmd_data);
 496 }
 497
 498 /*
 499  * Caller holds hw_lock.
 500  */
 501 static void fm93c56a_datain(struct ql3_adapter *qdev, unsigned short *value)
 502 {
 503         int i;
 504         u32 data = 0;
 505         u32 dataBit;
 506         struct ql3xxx_port_registers __iomem *port_regs =
 507                         qdev->mem_map_registers;
 508
 509         /* Read the data bits */
 510         /* The first bit is a dummy.  Clock right over it. */
 511         for (i = 0; i < dataBits; i++) {
 512                 ql_write_nvram_reg(qdev,
 513                                     &port_regs->CommonRegs.
 514                                     serialPortInterfaceReg,
 515                                     ISP_NVRAM_MASK | qdev->eeprom_cmd_data |
 516                                     AUBURN_EEPROM_CLK_RISE);
 517                 ql_write_nvram_reg(qdev,
 518                                     &port_regs->CommonRegs.
 519                                     serialPortInterfaceReg,
 520                                     ISP_NVRAM_MASK | qdev->eeprom_cmd_data |
 521                                     AUBURN_EEPROM_CLK_FALL);
 522                 dataBit =
 523                     (ql_read_common_reg
 524                      (qdev,
 525                       &port_regs->CommonRegs.
 526                       serialPortInterfaceReg) & AUBURN_EEPROM_DI_1) ? 1 : 0;
 527                 data = (data << 1) | dataBit;
 528         }
 529         *value = (u16) data;
 530 }
 531
 532 /*
 533  * Caller holds hw_lock.
 534  */
 535 static void eeprom_readword(struct ql3_adapter *qdev,
 536                             u32 eepromAddr, unsigned short *value)
 537 {
 538         fm93c56a_select(qdev);
 539         fm93c56a_cmd(qdev, (int)FM93C56A_READ, eepromAddr);
 540         fm93c56a_datain(qdev, value);
 541         fm93c56a_deselect(qdev);
 542 }
 543
 544 static void ql_swap_mac_addr(u8 * macAddress)
 545 {
 546 #ifdef __BIG_ENDIAN
 547         u8 temp;
 548         temp = macAddress[0];
 549         macAddress[0] = macAddress[1];
 550         macAddress[1] = temp;
 551         temp = macAddress[2];
 552         macAddress[2] = macAddress[3];
 553         macAddress[3] = temp;
 554         temp = macAddress[4];
 555         macAddress[4] = macAddress[5];
 556         macAddress[5] = temp;
 557 #endif
 558 }
 559
 560 static int ql_get_nvram_params(struct ql3_adapter *qdev)
 561 {
 562         u16 *pEEPROMData;
 563         u16 checksum = 0;
 564         u32 index;
 565         unsigned long hw_flags;
 566
 567         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
 568
 569         pEEPROMData = (u16 *) & qdev->nvram_data;
 570         qdev->eeprom_cmd_data = 0;
 571         if(ql_sem_spinlock(qdev, QL_NVRAM_SEM_MASK,
 572                         (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
 573                          2) << 10)) {
 574                 printk(KERN_ERR PFX"%s: Failed ql_sem_spinlock().\n",
 575                         __func__);
 576                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
 577                 return -1;
 578         }
 579
 580         for (index = 0; index < EEPROM_SIZE; index++) {
 581                 eeprom_readword(qdev, index, pEEPROMData);
 582                 checksum += *pEEPROMData;
 583                 pEEPROMData++;
 584         }
 585         ql_sem_unlock(qdev, QL_NVRAM_SEM_MASK);
 586
 587         if (checksum != 0) {
 588                 printk(KERN_ERR PFX "%s: checksum should be zero, is %x!!\n",
 589                        qdev->ndev->name, checksum);
 590                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
 591                 return -1;
 592         }
 593
 594         /*
 595          * We have a problem with endianness for the MAC addresses
 596          * and the two 8-bit values version, and numPorts.  We
 597          * have to swap them on big endian systems.
 598          */
 599         ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn0.macAddress);
 600         ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn1.macAddress);
 601         ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn2.macAddress);
 602         ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn3.macAddress);
 603         pEEPROMData = (u16 *) & qdev->nvram_data.version;
 604         *pEEPROMData = le16_to_cpu(*pEEPROMData);
 605
 606         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
 607         return checksum;
 608 }
 609
 610 static const u32 PHYAddr[2] = {
 611         PORT0_PHY_ADDRESS, PORT1_PHY_ADDRESS
 612 };
 613
 614 static int ql_wait_for_mii_ready(struct ql3_adapter *qdev)
 615 {
 616         struct ql3xxx_port_registers __iomem *port_regs =
 617                         qdev->mem_map_registers;
 618         u32 temp;
 619         int count = 1000;
 620
 621         while (count) {
 622                 temp = ql_read_page0_reg(qdev, &port_regs->macMIIStatusReg);
 623                 if (!(temp & MAC_MII_STATUS_BSY))
 624                         return 0;
 625                 udelay(10);
 626                 count--;
 627         }
 628         return -1;
 629 }
 630
 631 static void ql_mii_enable_scan_mode(struct ql3_adapter *qdev)
 632 {
 633         struct ql3xxx_port_registers __iomem *port_regs =
 634                         qdev->mem_map_registers;
 635         u32 scanControl;
 636
 637         if (qdev->numPorts > 1) {
 638                 /* Auto scan will cycle through multiple ports */
 639                 scanControl = MAC_MII_CONTROL_AS | MAC_MII_CONTROL_SC;
 640         } else {
 641                 scanControl = MAC_MII_CONTROL_SC;
 642         }
 643
 644         /*
 645          * Scan register 1 of PHY/PETBI,
 646          * Set up to scan both devices
 647          * The autoscan starts from the first register, completes
 648          * the last one before rolling over to the first
 649          */
 650         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
 651                            PHYAddr[0] | MII_SCAN_REGISTER);
 652
 653         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
 654                            (scanControl) |
 655                            ((MAC_MII_CONTROL_SC | MAC_MII_CONTROL_AS) << 16));
 656 }
 657
 658 static u8 ql_mii_disable_scan_mode(struct ql3_adapter *qdev)
 659 {
 660         u8 ret;
 661         struct ql3xxx_port_registers __iomem *port_regs =
 662                                         qdev->mem_map_registers;
 663
 664         /* See if scan mode is enabled before we turn it off */
 665         if (ql_read_page0_reg(qdev, &port_regs->macMIIMgmtControlReg) &
 666             (MAC_MII_CONTROL_AS | MAC_MII_CONTROL_SC)) {
 667                 /* Scan is enabled */
 668                 ret = 1;
 669         } else {
 670                 /* Scan is disabled */
 671                 ret = 0;
 672         }
 673
 674         /*
 675          * When disabling scan mode you must first change the MII register
 676          * address
 677          */
 678         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
 679                            PHYAddr[0] | MII_SCAN_REGISTER);
 680
 681         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
 682                            ((MAC_MII_CONTROL_SC | MAC_MII_CONTROL_AS |
 683                              MAC_MII_CONTROL_RC) << 16));
 684
 685         return ret;
 686 }
 687
 688 static int ql_mii_write_reg_ex(struct ql3_adapter *qdev,
 689                                u16 regAddr, u16 value, u32 phyAddr)
 690 {
 691         struct ql3xxx_port_registers __iomem *port_regs =
 692                         qdev->mem_map_registers;
 693         u8 scanWasEnabled;
 694
 695         scanWasEnabled = ql_mii_disable_scan_mode(qdev);
 696
 697         if (ql_wait_for_mii_ready(qdev)) {
 698                 if (netif_msg_link(qdev))
 699                         printk(KERN_WARNING PFX
 700                                "%s Timed out waiting for management port to "
 701                                "get free before issuing command.\n",
 702                                qdev->ndev->name);
 703                 return -1;
 704         }
 705
 706         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
 707                            phyAddr | regAddr);
 708
 709         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtDataReg, value);
 710
 711         /* Wait for write to complete 9/10/04 SJP */
 712         if (ql_wait_for_mii_ready(qdev)) {
 713                 if (netif_msg_link(qdev))
 714                         printk(KERN_WARNING PFX
 715                                "%s: Timed out waiting for management port to"
 716                                "get free before issuing command.\n",
 717                                qdev->ndev->name);
 718                 return -1;
 719         }
 720
 721         if (scanWasEnabled)
 722                 ql_mii_enable_scan_mode(qdev);
 723
 724         return 0;
 725 }
 726
 727 static int ql_mii_read_reg_ex(struct ql3_adapter *qdev, u16 regAddr,
 728                               u16 * value, u32 phyAddr)
 729 {
 730         struct ql3xxx_port_registers __iomem *port_regs =
 731                         qdev->mem_map_registers;
 732         u8 scanWasEnabled;
 733         u32 temp;
 734
 735         scanWasEnabled = ql_mii_disable_scan_mode(qdev);
 736
 737         if (ql_wait_for_mii_ready(qdev)) {
 738                 if (netif_msg_link(qdev))
 739                         printk(KERN_WARNING PFX
 740                                "%s: Timed out waiting for management port to "
 741                                "get free before issuing command.\n",
 742                                qdev->ndev->name);
 743                 return -1;
 744         }
 745
 746         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
 747                            phyAddr | regAddr);
 748
 749         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
 750                            (MAC_MII_CONTROL_RC << 16));
 751
 752         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
 753                            (MAC_MII_CONTROL_RC << 16) | MAC_MII_CONTROL_RC);
 754
 755         /* Wait for the read to complete */
 756         if (ql_wait_for_mii_ready(qdev)) {
 757                 if (netif_msg_link(qdev))
 758                         printk(KERN_WARNING PFX
 759                                "%s: Timed out waiting for management port to "
 760                                "get free after issuing command.\n",
 761                                qdev->ndev->name);
 762                 return -1;
 763         }
 764
 765         temp = ql_read_page0_reg(qdev, &port_regs->macMIIMgmtDataReg);
 766         *value = (u16) temp;
 767
 768         if (scanWasEnabled)
 769                 ql_mii_enable_scan_mode(qdev);
 770
 771         return 0;
 772 }
 773
 774 static int ql_mii_write_reg(struct ql3_adapter *qdev, u16 regAddr, u16 value)
 775 {
 776         struct ql3xxx_port_registers __iomem *port_regs =
 777                         qdev->mem_map_registers;
 778
 779         ql_mii_disable_scan_mode(qdev);
 780
 781         if (ql_wait_for_mii_ready(qdev)) {
 782                 if (netif_msg_link(qdev))
 783                         printk(KERN_WARNING PFX
 784                                "%s: Timed out waiting for management port to "
 785                                "get free before issuing command.\n",
 786                                qdev->ndev->name);
 787                 return -1;
 788         }
 789
 790         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
 791                            qdev->PHYAddr | regAddr);
 792
 793         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtDataReg, value);
 794
 795         /* Wait for write to complete. */
 796         if (ql_wait_for_mii_ready(qdev)) {
 797                 if (netif_msg_link(qdev))
 798                         printk(KERN_WARNING PFX
 799                                "%s: Timed out waiting for management port to "
 800                                "get free before issuing command.\n",
 801                                qdev->ndev->name);
 802                 return -1;
 803         }
 804
 805         ql_mii_enable_scan_mode(qdev);
 806
 807         return 0;
 808 }
 809
 810 static int ql_mii_read_reg(struct ql3_adapter *qdev, u16 regAddr, u16 *value)
 811 {
 812         u32 temp;
 813         struct ql3xxx_port_registers __iomem *port_regs =
 814                         qdev->mem_map_registers;
 815
 816         ql_mii_disable_scan_mode(qdev);
 817
 818         if (ql_wait_for_mii_ready(qdev)) {
 819                 if (netif_msg_link(qdev))
 820                         printk(KERN_WARNING PFX
 821                                "%s: Timed out waiting for management port to "
 822                                "get free before issuing command.\n",
 823                                qdev->ndev->name);
 824                 return -1;
 825         }
 826
 827         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
 828                            qdev->PHYAddr | regAddr);
 829
 830         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
 831                            (MAC_MII_CONTROL_RC << 16));
 832
 833         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
 834                            (MAC_MII_CONTROL_RC << 16) | MAC_MII_CONTROL_RC);
 835
 836         /* Wait for the read to complete */
 837         if (ql_wait_for_mii_ready(qdev)) {
 838                 if (netif_msg_link(qdev))
 839                         printk(KERN_WARNING PFX
 840                                "%s: Timed out waiting for management port to "
 841                                "get free before issuing command.\n",
 842                                qdev->ndev->name);
 843                 return -1;
 844         }
 845
 846         temp = ql_read_page0_reg(qdev, &port_regs->macMIIMgmtDataReg);
 847         *value = (u16) temp;
 848
 849         ql_mii_enable_scan_mode(qdev);
 850
 851         return 0;
 852 }
 853
 854 static void ql_petbi_reset(struct ql3_adapter *qdev)
 855 {
 856         ql_mii_write_reg(qdev, PETBI_CONTROL_REG, PETBI_CTRL_SOFT_RESET);
 857 }
 858
 859 static void ql_petbi_start_neg(struct ql3_adapter *qdev)
 860 {
 861         u16 reg;
 862
 863         /* Enable Auto-negotiation sense */
 864         ql_mii_read_reg(qdev, PETBI_TBI_CTRL, &reg);
 865         reg |= PETBI_TBI_AUTO_SENSE;
 866         ql_mii_write_reg(qdev, PETBI_TBI_CTRL, reg);
 867
 868         ql_mii_write_reg(qdev, PETBI_NEG_ADVER,
 869                          PETBI_NEG_PAUSE | PETBI_NEG_DUPLEX);
 870
 871         ql_mii_write_reg(qdev, PETBI_CONTROL_REG,
 872                          PETBI_CTRL_AUTO_NEG | PETBI_CTRL_RESTART_NEG |
 873                          PETBI_CTRL_FULL_DUPLEX | PETBI_CTRL_SPEED_1000);
 874
 875 }
 876
 877 static void ql_petbi_reset_ex(struct ql3_adapter *qdev)
 878 {
 879         ql_mii_write_reg_ex(qdev, PETBI_CONTROL_REG, PETBI_CTRL_SOFT_RESET,
 880                             PHYAddr[qdev->mac_index]);
 881 }
 882
 883 static void ql_petbi_start_neg_ex(struct ql3_adapter *qdev)
 884 {
 885         u16 reg;
 886
 887         /* Enable Auto-negotiation sense */
 888         ql_mii_read_reg_ex(qdev, PETBI_TBI_CTRL, &reg,
 889                            PHYAddr[qdev->mac_index]);
 890         reg |= PETBI_TBI_AUTO_SENSE;
 891         ql_mii_write_reg_ex(qdev, PETBI_TBI_CTRL, reg,
 892                             PHYAddr[qdev->mac_index]);
 893
 894         ql_mii_write_reg_ex(qdev, PETBI_NEG_ADVER,
 895                             PETBI_NEG_PAUSE | PETBI_NEG_DUPLEX,
 896                             PHYAddr[qdev->mac_index]);
 897
 898         ql_mii_write_reg_ex(qdev, PETBI_CONTROL_REG,
 899                             PETBI_CTRL_AUTO_NEG | PETBI_CTRL_RESTART_NEG |
 900                             PETBI_CTRL_FULL_DUPLEX | PETBI_CTRL_SPEED_1000,
 901                             PHYAddr[qdev->mac_index]);
 902 }
 903
 904 static void ql_petbi_init(struct ql3_adapter *qdev)
 905 {
 906         ql_petbi_reset(qdev);
 907         ql_petbi_start_neg(qdev);
 908 }
 909
 910 static void ql_petbi_init_ex(struct ql3_adapter *qdev)
 911 {
 912         ql_petbi_reset_ex(qdev);
 913         ql_petbi_start_neg_ex(qdev);
 914 }
 915
 916 static int ql_is_petbi_neg_pause(struct ql3_adapter *qdev)
 917 {
 918         u16 reg;
 919
 920         if (ql_mii_read_reg(qdev, PETBI_NEG_PARTNER, &reg) < 0)
 921                 return 0;
 922
 923         return (reg & PETBI_NEG_PAUSE_MASK) == PETBI_NEG_PAUSE;
 924 }
 925
 926 static void phyAgereSpecificInit(struct ql3_adapter *qdev, u32 miiAddr)
 927 {
 928         printk(KERN_INFO "%s: enabling Agere specific PHY\n", qdev->ndev->name);
 929         /* power down device bit 11 = 1 */
 930         ql_mii_write_reg_ex(qdev, 0x00, 0x1940, miiAddr);
 931         /* enable diagnostic mode bit 2 = 1 */
 932         ql_mii_write_reg_ex(qdev, 0x12, 0x840e, miiAddr);
 933         /* 1000MB amplitude adjust (see Agere errata) */
 934         ql_mii_write_reg_ex(qdev, 0x10, 0x8805, miiAddr);
 935         /* 1000MB amplitude adjust (see Agere errata) */
 936         ql_mii_write_reg_ex(qdev, 0x11, 0xf03e, miiAddr);
 937         /* 100MB amplitude adjust (see Agere errata) */
 938         ql_mii_write_reg_ex(qdev, 0x10, 0x8806, miiAddr);
 939         /* 100MB amplitude adjust (see Agere errata) */
 940         ql_mii_write_reg_ex(qdev, 0x11, 0x003e, miiAddr);
 941         /* 10MB amplitude adjust (see Agere errata) */
 942         ql_mii_write_reg_ex(qdev, 0x10, 0x8807, miiAddr);
 943         /* 10MB amplitude adjust (see Agere errata) */
 944         ql_mii_write_reg_ex(qdev, 0x11, 0x1f00, miiAddr);
 945         /* point to hidden reg 0x2806 */
 946         ql_mii_write_reg_ex(qdev, 0x10, 0x2806, miiAddr);
 947         /* Write new PHYAD w/bit 5 set */
 948         ql_mii_write_reg_ex(qdev, 0x11, 0x0020 | (PHYAddr[qdev->mac_index] >> 8), miiAddr);
 949         /*
 950          * Disable diagnostic mode bit 2 = 0
 951          * Power up device bit 11 = 0
 952          * Link up (on) and activity (blink)
 953          */
 954         ql_mii_write_reg(qdev, 0x12, 0x840a);
 955         ql_mii_write_reg(qdev, 0x00, 0x1140);
 956         ql_mii_write_reg(qdev, 0x1c, 0xfaf0);
 957 }
 958
 959 static PHY_DEVICE_et getPhyType (struct ql3_adapter *qdev,
 960                                  u16 phyIdReg0, u16 phyIdReg1)
 961 {
 962         PHY_DEVICE_et result = PHY_TYPE_UNKNOWN;
 963         u32   oui;
 964         u16   model;
 965         int i;
 966
 967         if (phyIdReg0 == 0xffff) {
 968                 return result;
 969         }
 970
 971         if (phyIdReg1 == 0xffff) {
 972                 return result;
 973         }
 974
 975         /* oui is split between two registers */
 976         oui = (phyIdReg0 << 6) | ((phyIdReg1 & PHY_OUI_1_MASK) >> 10);
 977
 978         model = (phyIdReg1 & PHY_MODEL_MASK) >> 4;
 979
 980         /* Scan table for this PHY */
 981         for(i = 0; i < MAX_PHY_DEV_TYPES; i++) {
 982                 if ((oui == PHY_DEVICES[i].phyIdOUI) && (model == PHY_DEVICES[i].phyIdModel))
 983                 {
 984                         result = PHY_DEVICES[i].phyDevice;
 985
 986                         printk(KERN_INFO "%s: Phy: %s\n",
 987                                 qdev->ndev->name, PHY_DEVICES[i].name);
 988
 989                         break;
 990                 }
 991         }
 992
 993         return result;
 994 }
 995
 996 static int ql_phy_get_speed(struct ql3_adapter *qdev)
 997 {
 998         u16 reg;
 999
1000         switch(qdev->phyType) {
1001         case PHY_AGERE_ET1011C:
1002         {
1003                 if (ql_mii_read_reg(qdev, 0x1A, &reg) < 0)
1004                         return 0;
1005
1006                 reg = (reg >> 8) & 3;
1007                 break;
1008         }
1009         default:
1010         if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, &reg) < 0)
1011                 return 0;
1012
1013         reg = (((reg & 0x18) >> 3) & 3);
1014         }
1015
1016         switch(reg) {
1017                 case 2:
1018                 return SPEED_1000;
1019                 case 1:
1020                 return SPEED_100;
1021                 case 0:
1022                 return SPEED_10;
1023                 default:
1024                 return -1;
1025         }
1026 }
1027
1028 static int ql_is_full_dup(struct ql3_adapter *qdev)
1029 {
1030         u16 reg;
1031
1032         switch(qdev->phyType) {
1033         case PHY_AGERE_ET1011C:
1034         {
1035                 if (ql_mii_read_reg(qdev, 0x1A, &reg))
1036                         return 0;
1037
1038                 return ((reg & 0x0080) && (reg & 0x1000)) != 0;
1039         }
1040         case PHY_VITESSE_VSC8211:
1041         default:
1042         {
1043                 if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, &reg) < 0)
1044                         return 0;
1045                 return (reg & PHY_AUX_DUPLEX_STAT) != 0;
1046         }
1047         }
1048 }
1049
1050 static int ql_is_phy_neg_pause(struct ql3_adapter *qdev)
1051 {
1052         u16 reg;
1053
1054         if (ql_mii_read_reg(qdev, PHY_NEG_PARTNER, &reg) < 0)
1055                 return 0;
1056
1057         return (reg & PHY_NEG_PAUSE) != 0;
1058 }
1059
1060 static int PHY_Setup(struct ql3_adapter *qdev)
1061 {
1062         u16   reg1;
1063         u16   reg2;
1064         bool  agereAddrChangeNeeded = false;
1065         u32 miiAddr = 0;
1066         int err;
1067
1068         /*  Determine the PHY we are using by reading the ID's */
1069         err = ql_mii_read_reg(qdev, PHY_ID_0_REG, &reg1);
1070         if(err != 0) {
1071                 printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG\n",
1072                        qdev->ndev->name);
1073                 return err;
1074         }
1075
1076         err = ql_mii_read_reg(qdev, PHY_ID_1_REG, &reg2);
1077         if(err != 0) {
1078                 printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG\n",
1079                        qdev->ndev->name);
1080                 return err;
1081         }
1082
1083         /*  Check if we have a Agere PHY */
1084         if ((reg1 == 0xffff) || (reg2 == 0xffff)) {
1085
1086                 /* Determine which MII address we should be using
1087                    determined by the index of the card */
1088                 if (qdev->mac_index == 0) {
1089                         miiAddr = MII_AGERE_ADDR_1;
1090                 } else {
1091                         miiAddr = MII_AGERE_ADDR_2;
1092                 }
1093
1094                 err =ql_mii_read_reg_ex(qdev, PHY_ID_0_REG, &reg1, miiAddr);
1095                 if(err != 0) {
1096                         printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG after Agere detected\n",
1097                                qdev->ndev->name);
1098                         return err;
1099                 }
1100
1101                 err = ql_mii_read_reg_ex(qdev, PHY_ID_1_REG, &reg2, miiAddr);
1102                 if(err != 0) {
1103                         printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG after Agere detected\n",
1104                                qdev->ndev->name);
1105                         return err;
1106                 }
1107
1108                 /*  We need to remember to initialize the Agere PHY */
1109                 agereAddrChangeNeeded = true;
1110         }
1111
1112         /*  Determine the particular PHY we have on board to apply
1113             PHY specific initializations */
1114         qdev->phyType = getPhyType(qdev, reg1, reg2);
1115
1116         if ((qdev->phyType == PHY_AGERE_ET1011C) && agereAddrChangeNeeded) {
1117                 /* need this here so address gets changed */
1118                 phyAgereSpecificInit(qdev, miiAddr);
1119         } else if (qdev->phyType == PHY_TYPE_UNKNOWN) {
1120                 printk(KERN_ERR "%s: PHY is unknown\n", qdev->ndev->name);
1121                 return -EIO;
1122         }
1123
1124         return 0;
1125 }
1126
1127 /*
1128  * Caller holds hw_lock.
1129  */
1130 static void ql_mac_enable(struct ql3_adapter *qdev, u32 enable)
1131 {
1132         struct ql3xxx_port_registers __iomem *port_regs =
1133                         qdev->mem_map_registers;
1134         u32 value;
1135
1136         if (enable)
1137                 value = (MAC_CONFIG_REG_PE | (MAC_CONFIG_REG_PE << 16));
1138         else
1139                 value = (MAC_CONFIG_REG_PE << 16);
1140
1141         if (qdev->mac_index)
1142                 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1143         else
1144                 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1145 }
1146
1147 /*
1148  * Caller holds hw_lock.
1149  */
1150 static void ql_mac_cfg_soft_reset(struct ql3_adapter *qdev, u32 enable)
1151 {
1152         struct ql3xxx_port_registers __iomem *port_regs =
1153                         qdev->mem_map_registers;
1154         u32 value;
1155
1156         if (enable)
1157                 value = (MAC_CONFIG_REG_SR | (MAC_CONFIG_REG_SR << 16));
1158         else
1159                 value = (MAC_CONFIG_REG_SR << 16);
1160
1161         if (qdev->mac_index)
1162                 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1163         else
1164                 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1165 }
1166
1167 /*
1168  * Caller holds hw_lock.
1169  */
1170 static void ql_mac_cfg_gig(struct ql3_adapter *qdev, u32 enable)
1171 {
1172         struct ql3xxx_port_registers __iomem *port_regs =
1173                         qdev->mem_map_registers;
1174         u32 value;
1175
1176         if (enable)
1177                 value = (MAC_CONFIG_REG_GM | (MAC_CONFIG_REG_GM << 16));
1178         else
1179                 value = (MAC_CONFIG_REG_GM << 16);
1180
1181         if (qdev->mac_index)
1182                 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1183         else
1184                 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1185 }
1186
1187 /*
1188  * Caller holds hw_lock.
1189  */
1190 static void ql_mac_cfg_full_dup(struct ql3_adapter *qdev, u32 enable)
1191 {
1192         struct ql3xxx_port_registers __iomem *port_regs =
1193                         qdev->mem_map_registers;
1194         u32 value;
1195
1196         if (enable)
1197                 value = (MAC_CONFIG_REG_FD | (MAC_CONFIG_REG_FD << 16));
1198         else
1199                 value = (MAC_CONFIG_REG_FD << 16);
1200
1201         if (qdev->mac_index)
1202                 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1203         else
1204                 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1205 }
1206
1207 /*
1208  * Caller holds hw_lock.
1209  */
1210 static void ql_mac_cfg_pause(struct ql3_adapter *qdev, u32 enable)
1211 {
1212         struct ql3xxx_port_registers __iomem *port_regs =
1213                         qdev->mem_map_registers;
1214         u32 value;
1215
1216         if (enable)
1217                 value =
1218                     ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) |
1219                      ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) << 16));
1220         else
1221                 value = ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) << 16);
1222
1223         if (qdev->mac_index)
1224                 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1225         else
1226                 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1227 }
1228
1229 /*
1230  * Caller holds hw_lock.
1231  */
1232 static int ql_is_fiber(struct ql3_adapter *qdev)
1233 {
1234         struct ql3xxx_port_registers __iomem *port_regs =
1235                         qdev->mem_map_registers;
1236         u32 bitToCheck = 0;
1237         u32 temp;
1238
1239         switch (qdev->mac_index) {
1240         case 0:
1241                 bitToCheck = PORT_STATUS_SM0;
1242                 break;
1243         case 1:
1244                 bitToCheck = PORT_STATUS_SM1;
1245                 break;
1246         }
1247
1248         temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1249         return (temp & bitToCheck) != 0;
1250 }
1251
1252 static int ql_is_auto_cfg(struct ql3_adapter *qdev)
1253 {
1254         u16 reg;
1255         ql_mii_read_reg(qdev, 0x00, &reg);
1256         return (reg & 0x1000) != 0;
1257 }
1258
1259 /*
1260  * Caller holds hw_lock.
1261  */
1262 static int ql_is_auto_neg_complete(struct ql3_adapter *qdev)
1263 {
1264         struct ql3xxx_port_registers __iomem *port_regs =
1265                         qdev->mem_map_registers;
1266         u32 bitToCheck = 0;
1267         u32 temp;
1268
1269         switch (qdev->mac_index) {
1270         case 0:
1271                 bitToCheck = PORT_STATUS_AC0;
1272                 break;
1273         case 1:
1274                 bitToCheck = PORT_STATUS_AC1;
1275                 break;
1276         }
1277
1278         temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1279         if (temp & bitToCheck) {
1280                 if (netif_msg_link(qdev))
1281                         printk(KERN_INFO PFX
1282                                "%s: Auto-Negotiate complete.\n",
1283                                qdev->ndev->name);
1284                 return 1;
1285         } else {
1286                 if (netif_msg_link(qdev))
1287                         printk(KERN_WARNING PFX
1288                                "%s: Auto-Negotiate incomplete.\n",
1289                                qdev->ndev->name);
1290                 return 0;
1291         }
1292 }
1293
1294 /*
1295  *  ql_is_neg_pause() returns 1 if pause was negotiated to be on
1296  */
1297 static int ql_is_neg_pause(struct ql3_adapter *qdev)
1298 {
1299         if (ql_is_fiber(qdev))
1300                 return ql_is_petbi_neg_pause(qdev);
1301         else
1302                 return ql_is_phy_neg_pause(qdev);
1303 }
1304
1305 static int ql_auto_neg_error(struct ql3_adapter *qdev)
1306 {
1307         struct ql3xxx_port_registers __iomem *port_regs =
1308                         qdev->mem_map_registers;
1309         u32 bitToCheck = 0;
1310         u32 temp;
1311
1312         switch (qdev->mac_index) {
1313         case 0:
1314                 bitToCheck = PORT_STATUS_AE0;
1315                 break;
1316         case 1:
1317                 bitToCheck = PORT_STATUS_AE1;
1318                 break;
1319         }
1320         temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1321         return (temp & bitToCheck) != 0;
1322 }
1323
1324 static u32 ql_get_link_speed(struct ql3_adapter *qdev)
1325 {
1326         if (ql_is_fiber(qdev))
1327                 return SPEED_1000;
1328         else
1329                 return ql_phy_get_speed(qdev);
1330 }
1331
1332 static int ql_is_link_full_dup(struct ql3_adapter *qdev)
1333 {
1334         if (ql_is_fiber(qdev))
1335                 return 1;
1336         else
1337                 return ql_is_full_dup(qdev);
1338 }
1339
1340 /*
1341  * Caller holds hw_lock.
1342  */
1343 static int ql_link_down_detect(struct ql3_adapter *qdev)
1344 {
1345         struct ql3xxx_port_registers __iomem *port_regs =
1346                         qdev->mem_map_registers;
1347         u32 bitToCheck = 0;
1348         u32 temp;
1349
1350         switch (qdev->mac_index) {
1351         case 0:
1352                 bitToCheck = ISP_CONTROL_LINK_DN_0;
1353                 break;
1354         case 1:
1355                 bitToCheck = ISP_CONTROL_LINK_DN_1;
1356                 break;
1357         }
1358
1359         temp =
1360             ql_read_common_reg(qdev, &port_regs->CommonRegs.ispControlStatus);
1361         return (temp & bitToCheck) != 0;
1362 }
1363
1364 /*
1365  * Caller holds hw_lock.
1366  */
1367 static int ql_link_down_detect_clear(struct ql3_adapter *qdev)
1368 {
1369         struct ql3xxx_port_registers __iomem *port_regs =
1370                         qdev->mem_map_registers;
1371
1372         switch (qdev->mac_index) {
1373         case 0:
1374                 ql_write_common_reg(qdev,
1375                                     &port_regs->CommonRegs.ispControlStatus,
1376                                     (ISP_CONTROL_LINK_DN_0) |
1377                                     (ISP_CONTROL_LINK_DN_0 << 16));
1378                 break;
1379
1380         case 1:
1381                 ql_write_common_reg(qdev,
1382                                     &port_regs->CommonRegs.ispControlStatus,
1383                                     (ISP_CONTROL_LINK_DN_1) |
1384                                     (ISP_CONTROL_LINK_DN_1 << 16));
1385                 break;
1386
1387         default:
1388                 return 1;
1389         }
1390
1391         return 0;
1392 }
1393
1394 /*
1395  * Caller holds hw_lock.
1396  */
1397 static int ql_this_adapter_controls_port(struct ql3_adapter *qdev)
1398 {
1399         struct ql3xxx_port_registers __iomem *port_regs =
1400                         qdev->mem_map_registers;
1401         u32 bitToCheck = 0;
1402         u32 temp;
1403
1404         switch (qdev->mac_index) {
1405         case 0:
1406                 bitToCheck = PORT_STATUS_F1_ENABLED;
1407                 break;
1408         case 1:
1409                 bitToCheck = PORT_STATUS_F3_ENABLED;
1410                 break;
1411         default:
1412                 break;
1413         }
1414
1415         temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1416         if (temp & bitToCheck) {
1417                 if (netif_msg_link(qdev))
1418                         printk(KERN_DEBUG PFX
1419                                "%s: is not link master.\n", qdev->ndev->name);
1420                 return 0;
1421         } else {
1422                 if (netif_msg_link(qdev))
1423                         printk(KERN_DEBUG PFX
1424                                "%s: is link master.\n", qdev->ndev->name);
1425                 return 1;
1426         }
1427 }
1428
1429 static void ql_phy_reset_ex(struct ql3_adapter *qdev)
1430 {
1431         ql_mii_write_reg_ex(qdev, CONTROL_REG, PHY_CTRL_SOFT_RESET,
1432                             PHYAddr[qdev->mac_index]);
1433 }
1434
1435 static void ql_phy_start_neg_ex(struct ql3_adapter *qdev)
1436 {
1437         u16 reg;
1438         u16 portConfiguration;
1439
1440         if(qdev->phyType == PHY_AGERE_ET1011C) {
1441                 /* turn off external loopback */
1442                 ql_mii_write_reg(qdev, 0x13, 0x0000);
1443         }
1444
1445         if(qdev->mac_index == 0)
1446                 portConfiguration = qdev->nvram_data.macCfg_port0.portConfiguration;
1447         else
1448                 portConfiguration = qdev->nvram_data.macCfg_port1.portConfiguration;
1449
1450         /*  Some HBA's in the field are set to 0 and they need to
1451             be reinterpreted with a default value */
1452         if(portConfiguration == 0)
1453                 portConfiguration = PORT_CONFIG_DEFAULT;
1454
1455         /* Set the 1000 advertisements */
1456         ql_mii_read_reg_ex(qdev, PHY_GIG_CONTROL, &reg,
1457                            PHYAddr[qdev->mac_index]);
1458         reg &= ~PHY_GIG_ALL_PARAMS;
1459
1460         if(portConfiguration &
1461            PORT_CONFIG_FULL_DUPLEX_ENABLED &
1462            PORT_CONFIG_1000MB_SPEED) {
1463                 reg |= PHY_GIG_ADV_1000F;
1464         }
1465
1466         if(portConfiguration &
1467            PORT_CONFIG_HALF_DUPLEX_ENABLED &
1468            PORT_CONFIG_1000MB_SPEED) {
1469                 reg |= PHY_GIG_ADV_1000H;
1470         }
1471
1472         ql_mii_write_reg_ex(qdev, PHY_GIG_CONTROL, reg,
1473                             PHYAddr[qdev->mac_index]);
1474
1475         /* Set the 10/100 & pause negotiation advertisements */
1476         ql_mii_read_reg_ex(qdev, PHY_NEG_ADVER, &reg,
1477                            PHYAddr[qdev->mac_index]);
1478         reg &= ~PHY_NEG_ALL_PARAMS;
1479
1480         if(portConfiguration & PORT_CONFIG_SYM_PAUSE_ENABLED)
1481                 reg |= PHY_NEG_ASY_PAUSE | PHY_NEG_SYM_PAUSE;
1482
1483         if(portConfiguration & PORT_CONFIG_FULL_DUPLEX_ENABLED) {
1484                 if(portConfiguration & PORT_CONFIG_100MB_SPEED)
1485                         reg |= PHY_NEG_ADV_100F;
1486
1487                 if(portConfiguration & PORT_CONFIG_10MB_SPEED)
1488                         reg |= PHY_NEG_ADV_10F;
1489         }
1490
1491         if(portConfiguration & PORT_CONFIG_HALF_DUPLEX_ENABLED) {
1492                 if(portConfiguration & PORT_CONFIG_100MB_SPEED)
1493                         reg |= PHY_NEG_ADV_100H;
1494
1495                 if(portConfiguration & PORT_CONFIG_10MB_SPEED)
1496                         reg |= PHY_NEG_ADV_10H;
1497         }
1498
1499         if(portConfiguration &
1500            PORT_CONFIG_1000MB_SPEED) {
1501                 reg |= 1;
1502         }
1503
1504         ql_mii_write_reg_ex(qdev, PHY_NEG_ADVER, reg,
1505                             PHYAddr[qdev->mac_index]);
1506
1507         ql_mii_read_reg_ex(qdev, CONTROL_REG, &reg, PHYAddr[qdev->mac_index]);
1508
1509         ql_mii_write_reg_ex(qdev, CONTROL_REG,
1510                             reg | PHY_CTRL_RESTART_NEG | PHY_CTRL_AUTO_NEG,
1511                             PHYAddr[qdev->mac_index]);
1512 }
1513
1514 static void ql_phy_init_ex(struct ql3_adapter *qdev)
1515 {
1516         ql_phy_reset_ex(qdev);
1517         PHY_Setup(qdev);
1518         ql_phy_start_neg_ex(qdev);
1519 }
1520
1521 /*
1522  * Caller holds hw_lock.
1523  */
1524 static u32 ql_get_link_state(struct ql3_adapter *qdev)
1525 {
1526         struct ql3xxx_port_registers __iomem *port_regs =
1527                         qdev->mem_map_registers;
1528         u32 bitToCheck = 0;
1529         u32 temp, linkState;
1530
1531         switch (qdev->mac_index) {
1532         case 0:
1533                 bitToCheck = PORT_STATUS_UP0;
1534                 break;
1535         case 1:
1536                 bitToCheck = PORT_STATUS_UP1;
1537                 break;
1538         }
1539         temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1540         if (temp & bitToCheck) {
1541                 linkState = LS_UP;
1542         } else {
1543                 linkState = LS_DOWN;
1544                 if (netif_msg_link(qdev))
1545                         printk(KERN_WARNING PFX
1546                                "%s: Link is down.\n", qdev->ndev->name);
1547         }
1548         return linkState;
1549 }
1550
1551 static int ql_port_start(struct ql3_adapter *qdev)
1552 {
1553         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1554                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1555                          2) << 7)) {
1556                 printk(KERN_ERR "%s: Could not get hw lock for GIO\n",
1557                        qdev->ndev->name);
1558                 return -1;
1559         }
1560
1561         if (ql_is_fiber(qdev)) {
1562                 ql_petbi_init(qdev);
1563         } else {
1564                 /* Copper port */
1565                 ql_phy_init_ex(qdev);
1566         }
1567
1568         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1569         return 0;
1570 }
1571
1572 static int ql_finish_auto_neg(struct ql3_adapter *qdev)
1573 {
1574
1575         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1576                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1577                          2) << 7))
1578                 return -1;
1579
1580         if (!ql_auto_neg_error(qdev)) {
1581                 if (test_bit(QL_LINK_MASTER,&qdev->flags)) {
1582                         /* configure the MAC */
1583                         if (netif_msg_link(qdev))
1584                                 printk(KERN_DEBUG PFX
1585                                        "%s: Configuring link.\n",
1586                                        qdev->ndev->
1587                                        name);
1588                         ql_mac_cfg_soft_reset(qdev, 1);
1589                         ql_mac_cfg_gig(qdev,
1590                                        (ql_get_link_speed
1591                                         (qdev) ==
1592                                         SPEED_1000));
1593                         ql_mac_cfg_full_dup(qdev,
1594                                             ql_is_link_full_dup
1595                                             (qdev));
1596                         ql_mac_cfg_pause(qdev,
1597                                          ql_is_neg_pause
1598                                          (qdev));
1599                         ql_mac_cfg_soft_reset(qdev, 0);
1600
1601                         /* enable the MAC */
1602                         if (netif_msg_link(qdev))
1603                                 printk(KERN_DEBUG PFX
1604                                        "%s: Enabling mac.\n",
1605                                        qdev->ndev->
1606                                                name);
1607                         ql_mac_enable(qdev, 1);
1608                 }
1609
1610                 if (netif_msg_link(qdev))
1611                         printk(KERN_DEBUG PFX
1612                                "%s: Change port_link_state LS_DOWN to LS_UP.\n",
1613                                qdev->ndev->name);
1614                 qdev->port_link_state = LS_UP;
1615                 netif_start_queue(qdev->ndev);
1616                 netif_carrier_on(qdev->ndev);
1617                 if (netif_msg_link(qdev))
1618                         printk(KERN_INFO PFX
1619                                "%s: Link is up at %d Mbps, %s duplex.\n",
1620                                qdev->ndev->name,
1621                                ql_get_link_speed(qdev),
1622                                ql_is_link_full_dup(qdev)
1623                                ? "full" : "half");
1624
1625         } else {        /* Remote error detected */
1626
1627                 if (test_bit(QL_LINK_MASTER,&qdev->flags)) {
1628                         if (netif_msg_link(qdev))
1629                                 printk(KERN_DEBUG PFX
1630                                        "%s: Remote error detected. "
1631                                        "Calling ql_port_start().\n",
1632                                        qdev->ndev->
1633                                        name);
1634                         /*
1635                          * ql_port_start() is shared code and needs
1636                          * to lock the PHY on it's own.
1637                          */
1638                         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1639                         if(ql_port_start(qdev)) {/* Restart port */
1640                                 return -1;
1641                         } else
1642                                 return 0;
1643                 }
1644         }
1645         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1646         return 0;
1647 }
1648
1649 static void ql_link_state_machine(struct ql3_adapter *qdev)
1650 {
1651         u32 curr_link_state;
1652         unsigned long hw_flags;
1653
1654         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1655
1656         curr_link_state = ql_get_link_state(qdev);
1657
1658         if (test_bit(QL_RESET_ACTIVE,&qdev->flags)) {
1659                 if (netif_msg_link(qdev))
1660                         printk(KERN_INFO PFX
1661                                "%s: Reset in progress, skip processing link "
1662                                "state.\n", qdev->ndev->name);
1663
1664                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1665                 return;
1666         }
1667
1668         switch (qdev->port_link_state) {
1669         default:
1670                 if (test_bit(QL_LINK_MASTER,&qdev->flags)) {
1671                         ql_port_start(qdev);
1672                 }
1673                 qdev->port_link_state = LS_DOWN;
1674                 /* Fall Through */
1675
1676         case LS_DOWN:
1677                 if (netif_msg_link(qdev))
1678                         printk(KERN_DEBUG PFX
1679                                "%s: port_link_state = LS_DOWN.\n",
1680                                qdev->ndev->name);
1681                 if (curr_link_state == LS_UP) {
1682                         if (netif_msg_link(qdev))
1683                                 printk(KERN_DEBUG PFX
1684                                        "%s: curr_link_state = LS_UP.\n",
1685                                        qdev->ndev->name);
1686                         if (ql_is_auto_neg_complete(qdev))
1687                                 ql_finish_auto_neg(qdev);
1688
1689                         if (qdev->port_link_state == LS_UP)
1690                                 ql_link_down_detect_clear(qdev);
1691
1692                 }
1693                 break;
1694
1695         case LS_UP:
1696                 /*
1697                  * See if the link is currently down or went down and came
1698                  * back up
1699                  */
1700                 if ((curr_link_state == LS_DOWN) || ql_link_down_detect(qdev)) {
1701                         if (netif_msg_link(qdev))
1702                                 printk(KERN_INFO PFX "%s: Link is down.\n",
1703                                        qdev->ndev->name);
1704                         qdev->port_link_state = LS_DOWN;
1705                 }
1706                 break;
1707         }
1708         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1709 }
1710
1711 /*
1712  * Caller must take hw_lock and QL_PHY_GIO_SEM.
1713  */
1714 static void ql_get_phy_owner(struct ql3_adapter *qdev)
1715 {
1716         if (ql_this_adapter_controls_port(qdev))
1717                 set_bit(QL_LINK_MASTER,&qdev->flags);
1718         else
1719                 clear_bit(QL_LINK_MASTER,&qdev->flags);
1720 }
1721
1722 /*
1723  * Caller must take hw_lock and QL_PHY_GIO_SEM.
1724  */
1725 static void ql_init_scan_mode(struct ql3_adapter *qdev)
1726 {
1727         ql_mii_enable_scan_mode(qdev);
1728
1729         if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
1730                 if (ql_this_adapter_controls_port(qdev))
1731                         ql_petbi_init_ex(qdev);
1732         } else {
1733                 if (ql_this_adapter_controls_port(qdev))
1734                         ql_phy_init_ex(qdev);
1735         }
1736 }
1737
1738 /*
1739  * MII_Setup needs to be called before taking the PHY out of reset so that the
1740  * management interface clock speed can be set properly.  It would be better if
1741  * we had a way to disable MDC until after the PHY is out of reset, but we
1742  * don't have that capability.
1743  */
1744 static int ql_mii_setup(struct ql3_adapter *qdev)
1745 {
1746         u32 reg;
1747         struct ql3xxx_port_registers __iomem *port_regs =
1748                         qdev->mem_map_registers;
1749
1750         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1751                         (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1752                          2) << 7))
1753                 return -1;
1754
1755         if (qdev->device_id == QL3032_DEVICE_ID)
1756                 ql_write_page0_reg(qdev,
1757                         &port_regs->macMIIMgmtControlReg, 0x0f00000);
1758
1759         /* Divide 125MHz clock by 28 to meet PHY timing requirements */
1760         reg = MAC_MII_CONTROL_CLK_SEL_DIV28;
1761
1762         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
1763                            reg | ((MAC_MII_CONTROL_CLK_SEL_MASK) << 16));
1764
1765         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1766         return 0;
1767 }
1768
1769 static u32 ql_supported_modes(struct ql3_adapter *qdev)
1770 {
1771         u32 supported;
1772
1773         if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
1774                 supported = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE
1775                     | SUPPORTED_Autoneg;
1776         } else {
1777                 supported = SUPPORTED_10baseT_Half
1778                     | SUPPORTED_10baseT_Full
1779                     | SUPPORTED_100baseT_Half
1780                     | SUPPORTED_100baseT_Full
1781                     | SUPPORTED_1000baseT_Half
1782                     | SUPPORTED_1000baseT_Full
1783                     | SUPPORTED_Autoneg | SUPPORTED_TP;
1784         }
1785
1786         return supported;
1787 }
1788
1789 static int ql_get_auto_cfg_status(struct ql3_adapter *qdev)
1790 {
1791         int status;
1792         unsigned long hw_flags;
1793         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1794         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1795                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1796                          2) << 7)) {
1797                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1798                 return 0;
1799         }
1800         status = ql_is_auto_cfg(qdev);
1801         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1802         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1803         return status;
1804 }
1805
1806 static u32 ql_get_speed(struct ql3_adapter *qdev)
1807 {
1808         u32 status;
1809         unsigned long hw_flags;
1810         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1811         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1812                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1813                          2) << 7)) {
1814                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1815                 return 0;
1816         }
1817         status = ql_get_link_speed(qdev);
1818         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1819         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1820         return status;
1821 }
1822
1823 static int ql_get_full_dup(struct ql3_adapter *qdev)
1824 {
1825         int status;
1826         unsigned long hw_flags;
1827         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1828         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1829                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1830                          2) << 7)) {
1831                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1832                 return 0;
1833         }
1834         status = ql_is_link_full_dup(qdev);
1835         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1836         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1837         return status;
1838 }
1839
1840
1841 static int ql_get_settings(struct net_device *ndev, struct ethtool_cmd *ecmd)
1842 {
1843         struct ql3_adapter *qdev = netdev_priv(ndev);
1844
1845         ecmd->transceiver = XCVR_INTERNAL;
1846         ecmd->supported = ql_supported_modes(qdev);
1847
1848         if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
1849                 ecmd->port = PORT_FIBRE;
1850         } else {
1851                 ecmd->port = PORT_TP;
1852                 ecmd->phy_address = qdev->PHYAddr;
1853         }
1854         ecmd->advertising = ql_supported_modes(qdev);
1855         ecmd->autoneg = ql_get_auto_cfg_status(qdev);
1856         ecmd->speed = ql_get_speed(qdev);
1857         ecmd->duplex = ql_get_full_dup(qdev);
1858         return 0;
1859 }
1860
1861 static void ql_get_drvinfo(struct net_device *ndev,
1862                            struct ethtool_drvinfo *drvinfo)
1863 {
1864         struct ql3_adapter *qdev = netdev_priv(ndev);
1865         strncpy(drvinfo->driver, ql3xxx_driver_name, 32);
1866         strncpy(drvinfo->version, ql3xxx_driver_version, 32);
1867         strncpy(drvinfo->fw_version, "N/A", 32);
1868         strncpy(drvinfo->bus_info, pci_name(qdev->pdev), 32);
1869         drvinfo->n_stats = 0;
1870         drvinfo->testinfo_len = 0;
1871         drvinfo->regdump_len = 0;
1872         drvinfo->eedump_len = 0;
1873 }
1874
1875 static u32 ql_get_msglevel(struct net_device *ndev)
1876 {
1877         struct ql3_adapter *qdev = netdev_priv(ndev);
1878         return qdev->msg_enable;
1879 }
1880
1881 static void ql_set_msglevel(struct net_device *ndev, u32 value)
1882 {
1883         struct ql3_adapter *qdev = netdev_priv(ndev);
1884         qdev->msg_enable = value;
1885 }
1886
1887 static void ql_get_pauseparam(struct net_device *ndev,
1888                               struct ethtool_pauseparam *pause)
1889 {
1890         struct ql3_adapter *qdev = netdev_priv(ndev);
1891         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1892
1893         u32 reg;
1894         if(qdev->mac_index == 0)
1895                 reg = ql_read_page0_reg(qdev, &port_regs->mac0ConfigReg);
1896         else
1897                 reg = ql_read_page0_reg(qdev, &port_regs->mac1ConfigReg);
1898
1899         pause->autoneg  = ql_get_auto_cfg_status(qdev);
1900         pause->rx_pause = (reg & MAC_CONFIG_REG_RF) >> 2;
1901         pause->tx_pause = (reg & MAC_CONFIG_REG_TF) >> 1;
1902 }
1903
1904 static const struct ethtool_ops ql3xxx_ethtool_ops = {
1905         .get_settings = ql_get_settings,
1906         .get_drvinfo = ql_get_drvinfo,
1907         .get_link = ethtool_op_get_link,
1908         .get_msglevel = ql_get_msglevel,
1909         .set_msglevel = ql_set_msglevel,
1910         .get_pauseparam = ql_get_pauseparam,
1911 };
1912
1913 static int ql_populate_free_queue(struct ql3_adapter *qdev)
1914 {
1915         struct ql_rcv_buf_cb *lrg_buf_cb = qdev->lrg_buf_free_head;
1916         dma_addr_t map;
1917         int err;
1918
1919         while (lrg_buf_cb) {
1920                 if (!lrg_buf_cb->skb) {
1921                         lrg_buf_cb->skb = netdev_alloc_skb(qdev->ndev,
1922                                                            qdev->lrg_buffer_len);
1923                         if (unlikely(!lrg_buf_cb->skb)) {
1924                                 printk(KERN_DEBUG PFX
1925                                        "%s: Failed netdev_alloc_skb().\n",
1926                                        qdev->ndev->name);
1927                                 break;
1928                         } else {
1929                                 /*
1930                                  * We save some space to copy the ethhdr from
1931                                  * first buffer
1932                                  */
1933                                 skb_reserve(lrg_buf_cb->skb, QL_HEADER_SPACE);
1934                                 map = pci_map_single(qdev->pdev,
1935                                                      lrg_buf_cb->skb->data,
1936                                                      qdev->lrg_buffer_len -
1937                                                      QL_HEADER_SPACE,
1938                                                      PCI_DMA_FROMDEVICE);
1939
1940                                 err = pci_dma_mapping_error(map);
1941                                 if(err) {
1942                                         printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
1943                                                qdev->ndev->name, err);
1944                                         dev_kfree_skb(lrg_buf_cb->skb);
1945                                         lrg_buf_cb->skb = NULL;
1946                                         break;
1947                                 }
1948
1949
1950                                 lrg_buf_cb->buf_phy_addr_low =
1951                                     cpu_to_le32(LS_64BITS(map));
1952                                 lrg_buf_cb->buf_phy_addr_high =
1953                                     cpu_to_le32(MS_64BITS(map));
1954                                 pci_unmap_addr_set(lrg_buf_cb, mapaddr, map);
1955                                 pci_unmap_len_set(lrg_buf_cb, maplen,
1956                                                   qdev->lrg_buffer_len -
1957                                                   QL_HEADER_SPACE);
1958                                 --qdev->lrg_buf_skb_check;
1959                                 if (!qdev->lrg_buf_skb_check)
1960                                         return 1;
1961                         }
1962                 }
1963                 lrg_buf_cb = lrg_buf_cb->next;
1964         }
1965         return 0;
1966 }
1967
1968 /*
1969  * Caller holds hw_lock.
1970  */
1971 static void ql_update_small_bufq_prod_index(struct ql3_adapter *qdev)
1972 {
1973         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1974         if (qdev->small_buf_release_cnt >= 16) {
1975                 while (qdev->small_buf_release_cnt >= 16) {
1976                         qdev->small_buf_q_producer_index++;
1977
1978                         if (qdev->small_buf_q_producer_index ==
1979                             NUM_SBUFQ_ENTRIES)
1980                                 qdev->small_buf_q_producer_index = 0;
1981                         qdev->small_buf_release_cnt -= 8;
1982                 }
1983                 wmb();
1984                 writel(qdev->small_buf_q_producer_index,
1985                         &port_regs->CommonRegs.rxSmallQProducerIndex);
1986         }
1987 }
1988
1989 /*
1990  * Caller holds hw_lock.
1991  */
1992 static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev)
1993 {
1994         struct bufq_addr_element *lrg_buf_q_ele;
1995         int i;
1996         struct ql_rcv_buf_cb *lrg_buf_cb;
1997         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1998
1999         if ((qdev->lrg_buf_free_count >= 8)
2000             && (qdev->lrg_buf_release_cnt >= 16)) {
2001
2002                 if (qdev->lrg_buf_skb_check)
2003                         if (!ql_populate_free_queue(qdev))
2004                                 return;
2005
2006                 lrg_buf_q_ele = qdev->lrg_buf_next_free;
2007
2008                 while ((qdev->lrg_buf_release_cnt >= 16)
2009                        && (qdev->lrg_buf_free_count >= 8)) {
2010
2011                         for (i = 0; i < 8; i++) {
2012                                 lrg_buf_cb =
2013                                     ql_get_from_lrg_buf_free_list(qdev);
2014                                 lrg_buf_q_ele->addr_high =
2015                                     lrg_buf_cb->buf_phy_addr_high;
2016                                 lrg_buf_q_ele->addr_low =
2017                                     lrg_buf_cb->buf_phy_addr_low;
2018                                 lrg_buf_q_ele++;
2019
2020                                 qdev->lrg_buf_release_cnt--;
2021                         }
2022
2023                         qdev->lrg_buf_q_producer_index++;
2024
2025                         if (qdev->lrg_buf_q_producer_index == qdev->num_lbufq_entries)
2026                                 qdev->lrg_buf_q_producer_index = 0;
2027
2028                         if (qdev->lrg_buf_q_producer_index ==
2029                             (qdev->num_lbufq_entries - 1)) {
2030                                 lrg_buf_q_ele = qdev->lrg_buf_q_virt_addr;
2031                         }
2032                 }
2033                 wmb();
2034                 qdev->lrg_buf_next_free = lrg_buf_q_ele;
2035                 writel(qdev->lrg_buf_q_producer_index,
2036                         &port_regs->CommonRegs.rxLargeQProducerIndex);
2037         }
2038 }
2039
2040 static void ql_process_mac_tx_intr(struct ql3_adapter *qdev,
2041                                    struct ob_mac_iocb_rsp *mac_rsp)
2042 {
2043         struct ql_tx_buf_cb *tx_cb;
2044         int i;
2045         int retval = 0;
2046
2047         if(mac_rsp->flags & OB_MAC_IOCB_RSP_S) {
2048                 printk(KERN_WARNING "Frame short but, frame was padded and sent.\n");
2049         }
2050
2051         tx_cb = &qdev->tx_buf[mac_rsp->transaction_id];
2052
2053         /*  Check the transmit response flags for any errors */
2054         if(mac_rsp->flags & OB_MAC_IOCB_RSP_S) {
2055                 printk(KERN_ERR "Frame too short to be legal, frame not sent.\n");
2056
2057                 qdev->stats.tx_errors++;
2058                 retval = -EIO;
2059                 goto frame_not_sent;
2060         }
2061
2062         if(tx_cb->seg_count == 0) {
2063                 printk(KERN_ERR "tx_cb->seg_count == 0: %d\n", mac_rsp->transaction_id);
2064
2065                 qdev->stats.tx_errors++;
2066                 retval = -EIO;
2067                 goto invalid_seg_count;
2068         }
2069
2070         pci_unmap_single(qdev->pdev,
2071                          pci_unmap_addr(&tx_cb->map[0], mapaddr),
2072                          pci_unmap_len(&tx_cb->map[0], maplen),
2073                          PCI_DMA_TODEVICE);
2074         tx_cb->seg_count--;
2075         if (tx_cb->seg_count) {
2076                 for (i = 1; i < tx_cb->seg_count; i++) {
2077                         pci_unmap_page(qdev->pdev,
2078                                        pci_unmap_addr(&tx_cb->map[i],
2079                                                       mapaddr),
2080                                        pci_unmap_len(&tx_cb->map[i], maplen),
2081                                        PCI_DMA_TODEVICE);
2082                 }
2083         }
2084         qdev->stats.tx_packets++;
2085         qdev->stats.tx_bytes += tx_cb->skb->len;
2086
2087 frame_not_sent:
2088         dev_kfree_skb_irq(tx_cb->skb);
2089         tx_cb->skb = NULL;
2090
2091 invalid_seg_count:
2092         atomic_inc(&qdev->tx_count);
2093 }
2094
2095 static void ql_get_sbuf(struct ql3_adapter *qdev)
2096 {
2097         if (++qdev->small_buf_index == NUM_SMALL_BUFFERS)
2098                 qdev->small_buf_index = 0;
2099         qdev->small_buf_release_cnt++;
2100 }
2101
2102 static struct ql_rcv_buf_cb *ql_get_lbuf(struct ql3_adapter *qdev)
2103 {
2104         struct ql_rcv_buf_cb *lrg_buf_cb = NULL;
2105         lrg_buf_cb = &qdev->lrg_buf[qdev->lrg_buf_index];
2106         qdev->lrg_buf_release_cnt++;
2107         if (++qdev->lrg_buf_index == qdev->num_large_buffers)
2108                 qdev->lrg_buf_index = 0;
2109         return(lrg_buf_cb);
2110 }
2111
2112 /*
2113  * The difference between 3022 and 3032 for inbound completions:
2114  * 3022 uses two buffers per completion.  The first buffer contains
2115  * (some) header info, the second the remainder of the headers plus
2116  * the data.  For this chip we reserve some space at the top of the
2117  * receive buffer so that the header info in buffer one can be
2118  * prepended to the buffer two.  Buffer two is the sent up while
2119  * buffer one is returned to the hardware to be reused.
2120  * 3032 receives all of it's data and headers in one buffer for a
2121  * simpler process.  3032 also supports checksum verification as
2122  * can be seen in ql_process_macip_rx_intr().
2123  */
2124 static void ql_process_mac_rx_intr(struct ql3_adapter *qdev,
2125                                    struct ib_mac_iocb_rsp *ib_mac_rsp_ptr)
2126 {
2127         struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL;
2128         struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL;
2129         struct sk_buff *skb;
2130         u16 length = le16_to_cpu(ib_mac_rsp_ptr->length);
2131
2132         /*
2133          * Get the inbound address list (small buffer).
2134          */
2135         ql_get_sbuf(qdev);
2136
2137         if (qdev->device_id == QL3022_DEVICE_ID)
2138                 lrg_buf_cb1 = ql_get_lbuf(qdev);
2139
2140         /* start of second buffer */
2141         lrg_buf_cb2 = ql_get_lbuf(qdev);
2142         skb = lrg_buf_cb2->skb;
2143
2144         qdev->stats.rx_packets++;
2145         qdev->stats.rx_bytes += length;
2146
2147         skb_put(skb, length);
2148         pci_unmap_single(qdev->pdev,
2149                          pci_unmap_addr(lrg_buf_cb2, mapaddr),
2150                          pci_unmap_len(lrg_buf_cb2, maplen),
2151                          PCI_DMA_FROMDEVICE);
2152         prefetch(skb->data);
2153         skb->ip_summed = CHECKSUM_NONE;
2154         skb->protocol = eth_type_trans(skb, qdev->ndev);
2155
2156         netif_receive_skb(skb);
2157         qdev->ndev->last_rx = jiffies;
2158         lrg_buf_cb2->skb = NULL;
2159
2160         if (qdev->device_id == QL3022_DEVICE_ID)
2161                 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb1);
2162         ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb2);
2163 }
2164
2165 static void ql_process_macip_rx_intr(struct ql3_adapter *qdev,
2166                                      struct ib_ip_iocb_rsp *ib_ip_rsp_ptr)
2167 {
2168         struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL;
2169         struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL;
2170         struct sk_buff *skb1 = NULL, *skb2;
2171         struct net_device *ndev = qdev->ndev;
2172         u16 length = le16_to_cpu(ib_ip_rsp_ptr->length);
2173         u16 size = 0;
2174
2175         /*
2176          * Get the inbound address list (small buffer).
2177          */
2178
2179         ql_get_sbuf(qdev);
2180
2181         if (qdev->device_id == QL3022_DEVICE_ID) {
2182                 /* start of first buffer on 3022 */
2183                 lrg_buf_cb1 = ql_get_lbuf(qdev);
2184                 skb1 = lrg_buf_cb1->skb;
2185                 size = ETH_HLEN;
2186                 if (*((u16 *) skb1->data) != 0xFFFF)
2187                         size += VLAN_ETH_HLEN - ETH_HLEN;
2188         }
2189
2190         /* start of second buffer */
2191         lrg_buf_cb2 = ql_get_lbuf(qdev);
2192         skb2 = lrg_buf_cb2->skb;
2193
2194         skb_put(skb2, length);  /* Just the second buffer length here. */
2195         pci_unmap_single(qdev->pdev,
2196                          pci_unmap_addr(lrg_buf_cb2, mapaddr),
2197                          pci_unmap_len(lrg_buf_cb2, maplen),
2198                          PCI_DMA_FROMDEVICE);
2199         prefetch(skb2->data);
2200
2201         skb2->ip_summed = CHECKSUM_NONE;
2202         if (qdev->device_id == QL3022_DEVICE_ID) {
2203                 /*
2204                  * Copy the ethhdr from first buffer to second. This
2205                  * is necessary for 3022 IP completions.
2206                  */
2207                 skb_copy_from_linear_data_offset(skb1, VLAN_ID_LEN,
2208                                                  skb_push(skb2, size), size);
2209         } else {
2210                 u16 checksum = le16_to_cpu(ib_ip_rsp_ptr->checksum);
2211                 if (checksum &
2212                         (IB_IP_IOCB_RSP_3032_ICE |
2213                          IB_IP_IOCB_RSP_3032_CE)) {
2214                         printk(KERN_ERR
2215                                "%s: Bad checksum for this %s packet, checksum = %x.\n",
2216                                __func__,
2217                                ((checksum &
2218                                 IB_IP_IOCB_RSP_3032_TCP) ? "TCP" :
2219                                 "UDP"),checksum);
2220                 } else if ((checksum & IB_IP_IOCB_RSP_3032_TCP) ||
2221                                 (checksum & IB_IP_IOCB_RSP_3032_UDP &&
2222                                 !(checksum & IB_IP_IOCB_RSP_3032_NUC))) {
2223                         skb2->ip_summed = CHECKSUM_UNNECESSARY;
2224                 }
2225         }
2226         skb2->protocol = eth_type_trans(skb2, qdev->ndev);
2227
2228         netif_receive_skb(skb2);
2229         qdev->stats.rx_packets++;
2230         qdev->stats.rx_bytes += length;
2231         ndev->last_rx = jiffies;
2232         lrg_buf_cb2->skb = NULL;
2233
2234         if (qdev->device_id == QL3022_DEVICE_ID)
2235                 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb1);
2236         ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb2);
2237 }
2238
2239 static int ql_tx_rx_clean(struct ql3_adapter *qdev,
2240                           int *tx_cleaned, int *rx_cleaned, int work_to_do)
2241 {
2242         struct net_rsp_iocb *net_rsp;
2243         struct net_device *ndev = qdev->ndev;
2244         int work_done = 0;
2245
2246         /* While there are entries in the completion queue. */
2247         while ((le32_to_cpu(*(qdev->prsp_producer_index)) !=
2248                 qdev->rsp_consumer_index) && (work_done < work_to_do)) {
2249
2250                 net_rsp = qdev->rsp_current;
2251                 switch (net_rsp->opcode) {
2252
2253                 case OPCODE_OB_MAC_IOCB_FN0:
2254                 case OPCODE_OB_MAC_IOCB_FN2:
2255                         ql_process_mac_tx_intr(qdev, (struct ob_mac_iocb_rsp *)
2256                                                net_rsp);
2257                         (*tx_cleaned)++;
2258                         break;
2259
2260                 case OPCODE_IB_MAC_IOCB:
2261                 case OPCODE_IB_3032_MAC_IOCB:
2262                         ql_process_mac_rx_intr(qdev, (struct ib_mac_iocb_rsp *)
2263                                                net_rsp);
2264                         (*rx_cleaned)++;
2265                         break;
2266
2267                 case OPCODE_IB_IP_IOCB:
2268                 case OPCODE_IB_3032_IP_IOCB:
2269                         ql_process_macip_rx_intr(qdev, (struct ib_ip_iocb_rsp *)
2270                                                  net_rsp);
2271                         (*rx_cleaned)++;
2272                         break;
2273                 default:
2274                         {
2275                                 u32 *tmp = (u32 *) net_rsp;
2276                                 printk(KERN_ERR PFX
2277                                        "%s: Hit default case, not "
2278                                        "handled!\n"
2279                                        "        dropping the packet, opcode = "
2280                                        "%x.\n",
2281                                        ndev->name, net_rsp->opcode);
2282                                 printk(KERN_ERR PFX
2283                                        "0x%08lx 0x%08lx 0x%08lx 0x%08lx \n",
2284                                        (unsigned long int)tmp[0],
2285                                        (unsigned long int)tmp[1],
2286                                        (unsigned long int)tmp[2],
2287                                        (unsigned long int)tmp[3]);
2288                         }
2289                 }
2290
2291                 qdev->rsp_consumer_index++;
2292
2293                 if (qdev->rsp_consumer_index == NUM_RSP_Q_ENTRIES) {
2294                         qdev->rsp_consumer_index = 0;
2295                         qdev->rsp_current = qdev->rsp_q_virt_addr;
2296                 } else {
2297                         qdev->rsp_current++;
2298                 }
2299
2300                 work_done = *tx_cleaned + *rx_cleaned;
2301         }
2302
2303         return work_done;
2304 }
2305
2306 static int ql_poll(struct net_device *ndev, int *budget)
2307 {
2308         struct ql3_adapter *qdev = netdev_priv(ndev);
2309         int work_to_do = min(*budget, ndev->quota);
2310         int rx_cleaned = 0, tx_cleaned = 0;
2311         unsigned long hw_flags;
2312         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2313
2314         if (!netif_carrier_ok(ndev))
2315                 goto quit_polling;
2316
2317         ql_tx_rx_clean(qdev, &tx_cleaned, &rx_cleaned, work_to_do);
2318         *budget -= rx_cleaned;
2319         ndev->quota -= rx_cleaned;
2320
2321         if( tx_cleaned + rx_cleaned != work_to_do ||
2322             !netif_running(ndev)) {
2323 quit_polling:
2324                 netif_rx_complete(ndev);
2325
2326                 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
2327                 ql_update_small_bufq_prod_index(qdev);
2328                 ql_update_lrg_bufq_prod_index(qdev);
2329                 writel(qdev->rsp_consumer_index,
2330                             &port_regs->CommonRegs.rspQConsumerIndex);
2331                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
2332
2333                 ql_enable_interrupts(qdev);
2334                 return 0;
2335         }
2336         return 1;
2337 }
2338
2339 static irqreturn_t ql3xxx_isr(int irq, void *dev_id)
2340 {
2341
2342         struct net_device *ndev = dev_id;
2343         struct ql3_adapter *qdev = netdev_priv(ndev);
2344         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2345         u32 value;
2346         int handled = 1;
2347         u32 var;
2348
2349         port_regs = qdev->mem_map_registers;
2350
2351         value =
2352             ql_read_common_reg_l(qdev, &port_regs->CommonRegs.ispControlStatus);
2353
2354         if (value & (ISP_CONTROL_FE | ISP_CONTROL_RI)) {
2355                 spin_lock(&qdev->adapter_lock);
2356                 netif_stop_queue(qdev->ndev);
2357                 netif_carrier_off(qdev->ndev);
2358                 ql_disable_interrupts(qdev);
2359                 qdev->port_link_state = LS_DOWN;
2360                 set_bit(QL_RESET_ACTIVE,&qdev->flags) ;
2361
2362                 if (value & ISP_CONTROL_FE) {
2363                         /*
2364                          * Chip Fatal Error.
2365                          */
2366                         var =
2367                             ql_read_page0_reg_l(qdev,
2368                                               &port_regs->PortFatalErrStatus);
2369                         printk(KERN_WARNING PFX
2370                                "%s: Resetting chip. PortFatalErrStatus "
2371                                "register = 0x%x\n", ndev->name, var);
2372                         set_bit(QL_RESET_START,&qdev->flags) ;
2373                 } else {
2374                         /*
2375                          * Soft Reset Requested.
2376                          */
2377                         set_bit(QL_RESET_PER_SCSI,&qdev->flags) ;
2378                         printk(KERN_ERR PFX
2379                                "%s: Another function issued a reset to the "
2380                                "chip. ISR value = %x.\n", ndev->name, value);
2381                 }
2382                 queue_delayed_work(qdev->workqueue, &qdev->reset_work, 0);
2383                 spin_unlock(&qdev->adapter_lock);
2384         } else if (value & ISP_IMR_DISABLE_CMPL_INT) {
2385                 ql_disable_interrupts(qdev);
2386                 if (likely(netif_rx_schedule_prep(ndev))) {
2387                         __netif_rx_schedule(ndev);
2388                 }
2389         } else {
2390                 return IRQ_NONE;
2391         }
2392
2393         return IRQ_RETVAL(handled);
2394 }
2395
2396 /*
2397  * Get the total number of segments needed for the
2398  * given number of fragments.  This is necessary because
2399  * outbound address lists (OAL) will be used when more than
2400  * two frags are given.  Each address list has 5 addr/len
2401  * pairs.  The 5th pair in each AOL is used to  point to
2402  * the next AOL if more frags are coming.
2403  * That is why the frags:segment count  ratio is not linear.
2404  */
2405 static int ql_get_seg_count(struct ql3_adapter *qdev,
2406                             unsigned short frags)
2407 {
2408         if (qdev->device_id == QL3022_DEVICE_ID)
2409                 return 1;
2410
2411         switch(frags) {
2412         case 0: return 1;       /* just the skb->data seg */
2413         case 1: return 2;       /* skb->data + 1 frag */
2414         case 2: return 3;       /* skb->data + 2 frags */
2415         case 3: return 5;       /* skb->data + 1 frag + 1 AOL containting 2 frags */
2416         case 4: return 6;
2417         case 5: return 7;
2418         case 6: return 8;
2419         case 7: return 10;
2420         case 8: return 11;
2421         case 9: return 12;
2422         case 10: return 13;
2423         case 11: return 15;
2424         case 12: return 16;
2425         case 13: return 17;
2426         case 14: return 18;
2427         case 15: return 20;
2428         case 16: return 21;
2429         case 17: return 22;
2430         case 18: return 23;
2431         }
2432         return -1;
2433 }
2434
2435 static void ql_hw_csum_setup(const struct sk_buff *skb,
2436                              struct ob_mac_iocb_req *mac_iocb_ptr)
2437 {
2438         const struct iphdr *ip = ip_hdr(skb);
2439
2440         mac_iocb_ptr->ip_hdr_off = skb_network_offset(skb);
2441         mac_iocb_ptr->ip_hdr_len = ip->ihl;
2442
2443         if (ip->protocol == IPPROTO_TCP) {
2444                 mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_TC |
2445                         OB_3032MAC_IOCB_REQ_IC;
2446         } else {
2447                 mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_UC |
2448                         OB_3032MAC_IOCB_REQ_IC;
2449         }
2450
2451 }
2452
2453 /*
2454  * Map the buffers for this transmit.  This will return
2455  * NETDEV_TX_BUSY or NETDEV_TX_OK based on success.
2456  */
2457 static int ql_send_map(struct ql3_adapter *qdev,
2458                                 struct ob_mac_iocb_req *mac_iocb_ptr,
2459                                 struct ql_tx_buf_cb *tx_cb,
2460                                 struct sk_buff *skb)
2461 {
2462         struct oal *oal;
2463         struct oal_entry *oal_entry;
2464         int len = skb_headlen(skb);
2465         dma_addr_t map;
2466         int err;
2467         int completed_segs, i;
2468         int seg_cnt, seg = 0;
2469         int frag_cnt = (int)skb_shinfo(skb)->nr_frags;
2470
2471         seg_cnt = tx_cb->seg_count;
2472         /*
2473          * Map the skb buffer first.
2474          */
2475         map = pci_map_single(qdev->pdev, skb->data, len, PCI_DMA_TODEVICE);
2476
2477         err = pci_dma_mapping_error(map);
2478         if(err) {
2479                 printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
2480                        qdev->ndev->name, err);
2481
2482                 return NETDEV_TX_BUSY;
2483         }
2484
2485         oal_entry = (struct oal_entry *)&mac_iocb_ptr->buf_addr0_low;
2486         oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2487         oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2488         oal_entry->len = cpu_to_le32(len);
2489         pci_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
2490         pci_unmap_len_set(&tx_cb->map[seg], maplen, len);
2491         seg++;
2492
2493         if (seg_cnt == 1) {
2494                 /* Terminate the last segment. */
2495                 oal_entry->len =
2496                     cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY);
2497         } else {
2498                 oal = tx_cb->oal;
2499                 for (completed_segs=0; completed_segs<frag_cnt; completed_segs++,seg++) {
2500                         skb_frag_t *frag = &skb_shinfo(skb)->frags[completed_segs];
2501                         oal_entry++;
2502                         if ((seg == 2 && seg_cnt > 3) ||        /* Check for continuation */
2503                             (seg == 7 && seg_cnt > 8) ||        /* requirements. It's strange */
2504                             (seg == 12 && seg_cnt > 13) ||      /* but necessary. */
2505                             (seg == 17 && seg_cnt > 18)) {
2506                                 /* Continuation entry points to outbound address list. */
2507                                 map = pci_map_single(qdev->pdev, oal,
2508                                                      sizeof(struct oal),
2509                                                      PCI_DMA_TODEVICE);
2510
2511                                 err = pci_dma_mapping_error(map);
2512                                 if(err) {
2513
2514                                         printk(KERN_ERR "%s: PCI mapping outbound address list with error: %d\n",
2515                                                qdev->ndev->name, err);
2516                                         goto map_error;
2517                                 }
2518
2519                                 oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2520                                 oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2521                                 oal_entry->len =
2522                                     cpu_to_le32(sizeof(struct oal) |
2523                                                 OAL_CONT_ENTRY);
2524                                 pci_unmap_addr_set(&tx_cb->map[seg], mapaddr,
2525                                                    map);
2526                                 pci_unmap_len_set(&tx_cb->map[seg], maplen,
2527                                                   sizeof(struct oal));
2528                                 oal_entry = (struct oal_entry *)oal;
2529                                 oal++;
2530                                 seg++;
2531                         }
2532
2533                         map =
2534                             pci_map_page(qdev->pdev, frag->page,
2535                                          frag->page_offset, frag->size,
2536                                          PCI_DMA_TODEVICE);
2537
2538                         err = pci_dma_mapping_error(map);
2539                         if(err) {
2540                                 printk(KERN_ERR "%s: PCI mapping frags failed with error: %d\n",
2541                                        qdev->ndev->name, err);
2542                                 goto map_error;
2543                         }
2544
2545                         oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2546                         oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2547                         oal_entry->len = cpu_to_le32(frag->size);
2548                         pci_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
2549                         pci_unmap_len_set(&tx_cb->map[seg], maplen,
2550                                           frag->size);
2551                 }
2552                 /* Terminate the last segment. */
2553                 oal_entry->len =
2554                     cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY);
2555         }
2556
2557         return NETDEV_TX_OK;
2558
2559 map_error:
2560         /* A PCI mapping failed and now we will need to back out
2561          * We need to traverse through the oal's and associated pages which
2562          * have been mapped and now we must unmap them to clean up properly
2563          */
2564
2565         seg = 1;
2566         oal_entry = (struct oal_entry *)&mac_iocb_ptr->buf_addr0_low;
2567         oal = tx_cb->oal;
2568         for (i=0; i<completed_segs; i++,seg++) {
2569                 oal_entry++;
2570
2571                 if((seg == 2 && seg_cnt > 3) ||        /* Check for continuation */
2572                    (seg == 7 && seg_cnt > 8) ||        /* requirements. It's strange */
2573                    (seg == 12 && seg_cnt > 13) ||      /* but necessary. */
2574                    (seg == 17 && seg_cnt > 18)) {
2575                         pci_unmap_single(qdev->pdev,
2576                                 pci_unmap_addr(&tx_cb->map[seg], mapaddr),
2577                                 pci_unmap_len(&tx_cb->map[seg], maplen),
2578                                  PCI_DMA_TODEVICE);
2579                         oal++;
2580                         seg++;
2581                 }
2582
2583                 pci_unmap_page(qdev->pdev,
2584                                pci_unmap_addr(&tx_cb->map[seg], mapaddr),
2585                                pci_unmap_len(&tx_cb->map[seg], maplen),
2586                                PCI_DMA_TODEVICE);
2587         }
2588
2589         pci_unmap_single(qdev->pdev,
2590                          pci_unmap_addr(&tx_cb->map[0], mapaddr),
2591                          pci_unmap_addr(&tx_cb->map[0], maplen),
2592                          PCI_DMA_TODEVICE);
2593
2594         return NETDEV_TX_BUSY;
2595
2596 }
2597
2598 /*
2599  * The difference between 3022 and 3032 sends:
2600  * 3022 only supports a simple single segment transmission.
2601  * 3032 supports checksumming and scatter/gather lists (fragments).
2602  * The 3032 supports sglists by using the 3 addr/len pairs (ALP)
2603  * in the IOCB plus a chain of outbound address lists (OAL) that
2604  * each contain 5 ALPs.  The last ALP of the IOCB (3rd) or OAL (5th)
2605  * will used to point to an OAL when more ALP entries are required.
2606  * The IOCB is always the top of the chain followed by one or more
2607  * OALs (when necessary).
2608  */
2609 static int ql3xxx_send(struct sk_buff *skb, struct net_device *ndev)
2610 {
2611         struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
2612         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2613         struct ql_tx_buf_cb *tx_cb;
2614         u32 tot_len = skb->len;
2615         struct ob_mac_iocb_req *mac_iocb_ptr;
2616
2617         if (unlikely(atomic_read(&qdev->tx_count) < 2)) {
2618                 return NETDEV_TX_BUSY;
2619         }
2620
2621         tx_cb = &qdev->tx_buf[qdev->req_producer_index] ;
2622         if((tx_cb->seg_count = ql_get_seg_count(qdev,
2623                                                 (skb_shinfo(skb)->nr_frags))) == -1) {
2624                 printk(KERN_ERR PFX"%s: invalid segment count!\n",__func__);
2625                 return NETDEV_TX_OK;
2626         }
2627
2628         mac_iocb_ptr = tx_cb->queue_entry;
2629         memset((void *)mac_iocb_ptr, 0, sizeof(struct ob_mac_iocb_req));
2630         mac_iocb_ptr->opcode = qdev->mac_ob_opcode;
2631         mac_iocb_ptr->flags = OB_MAC_IOCB_REQ_X;
2632         mac_iocb_ptr->flags |= qdev->mb_bit_mask;
2633         mac_iocb_ptr->transaction_id = qdev->req_producer_index;
2634         mac_iocb_ptr->data_len = cpu_to_le16((u16) tot_len);
2635         tx_cb->skb = skb;
2636         if (qdev->device_id == QL3032_DEVICE_ID &&
2637             skb->ip_summed == CHECKSUM_PARTIAL)
2638                 ql_hw_csum_setup(skb, mac_iocb_ptr);
2639
2640         if(ql_send_map(qdev,mac_iocb_ptr,tx_cb,skb) != NETDEV_TX_OK) {
2641                 printk(KERN_ERR PFX"%s: Could not map the segments!\n",__func__);
2642                 return NETDEV_TX_BUSY;
2643         }
2644
2645         wmb();
2646         qdev->req_producer_index++;
2647         if (qdev->req_producer_index == NUM_REQ_Q_ENTRIES)
2648                 qdev->req_producer_index = 0;
2649         wmb();
2650         ql_write_common_reg_l(qdev,
2651                             &port_regs->CommonRegs.reqQProducerIndex,
2652                             qdev->req_producer_index);
2653
2654         ndev->trans_start = jiffies;
2655         if (netif_msg_tx_queued(qdev))
2656                 printk(KERN_DEBUG PFX "%s: tx queued, slot %d, len %d\n",
2657                        ndev->name, qdev->req_producer_index, skb->len);
2658
2659         atomic_dec(&qdev->tx_count);
2660         return NETDEV_TX_OK;
2661 }
2662
2663 static int ql_alloc_net_req_rsp_queues(struct ql3_adapter *qdev)
2664 {
2665         qdev->req_q_size =
2666             (u32) (NUM_REQ_Q_ENTRIES * sizeof(struct ob_mac_iocb_req));
2667
2668         qdev->req_q_virt_addr =
2669             pci_alloc_consistent(qdev->pdev,
2670                                  (size_t) qdev->req_q_size,
2671                                  &qdev->req_q_phy_addr);
2672
2673         if ((qdev->req_q_virt_addr == NULL) ||
2674             LS_64BITS(qdev->req_q_phy_addr) & (qdev->req_q_size - 1)) {
2675                 printk(KERN_ERR PFX "%s: reqQ failed.\n",
2676                        qdev->ndev->name);
2677                 return -ENOMEM;
2678         }
2679
2680         qdev->rsp_q_size = NUM_RSP_Q_ENTRIES * sizeof(struct net_rsp_iocb);
2681
2682         qdev->rsp_q_virt_addr =
2683             pci_alloc_consistent(qdev->pdev,
2684                                  (size_t) qdev->rsp_q_size,
2685                                  &qdev->rsp_q_phy_addr);
2686
2687         if ((qdev->rsp_q_virt_addr == NULL) ||
2688             LS_64BITS(qdev->rsp_q_phy_addr) & (qdev->rsp_q_size - 1)) {
2689                 printk(KERN_ERR PFX
2690                        "%s: rspQ allocation failed\n",
2691                        qdev->ndev->name);
2692                 pci_free_consistent(qdev->pdev, (size_t) qdev->req_q_size,
2693                                     qdev->req_q_virt_addr,
2694                                     qdev->req_q_phy_addr);
2695                 return -ENOMEM;
2696         }
2697
2698         set_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags);
2699
2700         return 0;
2701 }
2702
2703 static void ql_free_net_req_rsp_queues(struct ql3_adapter *qdev)
2704 {
2705         if (!test_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags)) {
2706                 printk(KERN_INFO PFX
2707                        "%s: Already done.\n", qdev->ndev->name);
2708                 return;
2709         }
2710
2711         pci_free_consistent(qdev->pdev,
2712                             qdev->req_q_size,
2713                             qdev->req_q_virt_addr, qdev->req_q_phy_addr);
2714
2715         qdev->req_q_virt_addr = NULL;
2716
2717         pci_free_consistent(qdev->pdev,
2718                             qdev->rsp_q_size,
2719                             qdev->rsp_q_virt_addr, qdev->rsp_q_phy_addr);
2720
2721         qdev->rsp_q_virt_addr = NULL;
2722
2723         clear_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags);
2724 }
2725
2726 static int ql_alloc_buffer_queues(struct ql3_adapter *qdev)
2727 {
2728         /* Create Large Buffer Queue */
2729         qdev->lrg_buf_q_size =
2730             qdev->num_lbufq_entries * sizeof(struct lrg_buf_q_entry);
2731         if (qdev->lrg_buf_q_size < PAGE_SIZE)
2732                 qdev->lrg_buf_q_alloc_size = PAGE_SIZE;
2733         else
2734                 qdev->lrg_buf_q_alloc_size = qdev->lrg_buf_q_size * 2;
2735
2736         qdev->lrg_buf = kmalloc(qdev->num_large_buffers * sizeof(struct ql_rcv_buf_cb),GFP_KERNEL);
2737         if (qdev->lrg_buf == NULL) {
2738                 printk(KERN_ERR PFX
2739                        "%s: qdev->lrg_buf alloc failed.\n", qdev->ndev->name);
2740                 return -ENOMEM;
2741         }
2742
2743         qdev->lrg_buf_q_alloc_virt_addr =
2744             pci_alloc_consistent(qdev->pdev,
2745                                  qdev->lrg_buf_q_alloc_size,
2746                                  &qdev->lrg_buf_q_alloc_phy_addr);
2747
2748         if (qdev->lrg_buf_q_alloc_virt_addr == NULL) {
2749                 printk(KERN_ERR PFX
2750                        "%s: lBufQ failed\n", qdev->ndev->name);
2751                 return -ENOMEM;
2752         }
2753         qdev->lrg_buf_q_virt_addr = qdev->lrg_buf_q_alloc_virt_addr;
2754         qdev->lrg_buf_q_phy_addr = qdev->lrg_buf_q_alloc_phy_addr;
2755
2756         /* Create Small Buffer Queue */
2757         qdev->small_buf_q_size =
2758             NUM_SBUFQ_ENTRIES * sizeof(struct lrg_buf_q_entry);
2759         if (qdev->small_buf_q_size < PAGE_SIZE)
2760                 qdev->small_buf_q_alloc_size = PAGE_SIZE;
2761         else
2762                 qdev->small_buf_q_alloc_size = qdev->small_buf_q_size * 2;
2763
2764         qdev->small_buf_q_alloc_virt_addr =
2765             pci_alloc_consistent(qdev->pdev,
2766                                  qdev->small_buf_q_alloc_size,
2767                                  &qdev->small_buf_q_alloc_phy_addr);
2768
2769         if (qdev->small_buf_q_alloc_virt_addr == NULL) {
2770                 printk(KERN_ERR PFX
2771                        "%s: Small Buffer Queue allocation failed.\n",
2772                        qdev->ndev->name);
2773                 pci_free_consistent(qdev->pdev, qdev->lrg_buf_q_alloc_size,
2774                                     qdev->lrg_buf_q_alloc_virt_addr,
2775                                     qdev->lrg_buf_q_alloc_phy_addr);
2776                 return -ENOMEM;
2777         }
2778
2779         qdev->small_buf_q_virt_addr = qdev->small_buf_q_alloc_virt_addr;
2780         qdev->small_buf_q_phy_addr = qdev->small_buf_q_alloc_phy_addr;
2781         set_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags);
2782         return 0;
2783 }
2784
2785 static void ql_free_buffer_queues(struct ql3_adapter *qdev)
2786 {
2787         if (!test_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags)) {
2788                 printk(KERN_INFO PFX
2789                        "%s: Already done.\n", qdev->ndev->name);
2790                 return;
2791         }
2792         if(qdev->lrg_buf) kfree(qdev->lrg_buf);
2793         pci_free_consistent(qdev->pdev,
2794                             qdev->lrg_buf_q_alloc_size,
2795                             qdev->lrg_buf_q_alloc_virt_addr,
2796                             qdev->lrg_buf_q_alloc_phy_addr);
2797
2798         qdev->lrg_buf_q_virt_addr = NULL;
2799
2800         pci_free_consistent(qdev->pdev,
2801                             qdev->small_buf_q_alloc_size,
2802                             qdev->small_buf_q_alloc_virt_addr,
2803                             qdev->small_buf_q_alloc_phy_addr);
2804
2805         qdev->small_buf_q_virt_addr = NULL;
2806
2807         clear_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags);
2808 }
2809
2810 static int ql_alloc_small_buffers(struct ql3_adapter *qdev)
2811 {
2812         int i;
2813         struct bufq_addr_element *small_buf_q_entry;
2814
2815         /* Currently we allocate on one of memory and use it for smallbuffers */
2816         qdev->small_buf_total_size =
2817             (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES *
2818              QL_SMALL_BUFFER_SIZE);
2819
2820         qdev->small_buf_virt_addr =
2821             pci_alloc_consistent(qdev->pdev,
2822                                  qdev->small_buf_total_size,
2823                                  &qdev->small_buf_phy_addr);
2824
2825         if (qdev->small_buf_virt_addr == NULL) {
2826                 printk(KERN_ERR PFX
2827                        "%s: Failed to get small buffer memory.\n",
2828                        qdev->ndev->name);
2829                 return -ENOMEM;
2830         }
2831
2832         qdev->small_buf_phy_addr_low = LS_64BITS(qdev->small_buf_phy_addr);
2833         qdev->small_buf_phy_addr_high = MS_64BITS(qdev->small_buf_phy_addr);
2834
2835         small_buf_q_entry = qdev->small_buf_q_virt_addr;
2836
2837         /* Initialize the small buffer queue. */
2838         for (i = 0; i < (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES); i++) {
2839                 small_buf_q_entry->addr_high =
2840                     cpu_to_le32(qdev->small_buf_phy_addr_high);
2841                 small_buf_q_entry->addr_low =
2842                     cpu_to_le32(qdev->small_buf_phy_addr_low +
2843                                 (i * QL_SMALL_BUFFER_SIZE));
2844                 small_buf_q_entry++;
2845         }
2846         qdev->small_buf_index = 0;
2847         set_bit(QL_ALLOC_SMALL_BUF_DONE,&qdev->flags);
2848         return 0;
2849 }
2850
2851 static void ql_free_small_buffers(struct ql3_adapter *qdev)
2852 {
2853         if (!test_bit(QL_ALLOC_SMALL_BUF_DONE,&qdev->flags)) {
2854                 printk(KERN_INFO PFX
2855                        "%s: Already done.\n", qdev->ndev->name);
2856                 return;
2857         }
2858         if (qdev->small_buf_virt_addr != NULL) {
2859                 pci_free_consistent(qdev->pdev,
2860                                     qdev->small_buf_total_size,
2861                                     qdev->small_buf_virt_addr,
2862                                     qdev->small_buf_phy_addr);
2863
2864                 qdev->small_buf_virt_addr = NULL;
2865         }
2866 }
2867
2868 static void ql_free_large_buffers(struct ql3_adapter *qdev)
2869 {
2870         int i = 0;
2871         struct ql_rcv_buf_cb *lrg_buf_cb;
2872
2873         for (i = 0; i < qdev->num_large_buffers; i++) {
2874                 lrg_buf_cb = &qdev->lrg_buf[i];
2875                 if (lrg_buf_cb->skb) {
2876                         dev_kfree_skb(lrg_buf_cb->skb);
2877                         pci_unmap_single(qdev->pdev,
2878                                          pci_unmap_addr(lrg_buf_cb, mapaddr),
2879                                          pci_unmap_len(lrg_buf_cb, maplen),
2880                                          PCI_DMA_FROMDEVICE);
2881                         memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb));
2882                 } else {
2883                         break;
2884                 }
2885         }
2886 }
2887
2888 static void ql_init_large_buffers(struct ql3_adapter *qdev)
2889 {
2890         int i;
2891         struct ql_rcv_buf_cb *lrg_buf_cb;
2892         struct bufq_addr_element *buf_addr_ele = qdev->lrg_buf_q_virt_addr;
2893
2894         for (i = 0; i < qdev->num_large_buffers; i++) {
2895                 lrg_buf_cb = &qdev->lrg_buf[i];
2896                 buf_addr_ele->addr_high = lrg_buf_cb->buf_phy_addr_high;
2897                 buf_addr_ele->addr_low = lrg_buf_cb->buf_phy_addr_low;
2898                 buf_addr_ele++;
2899         }
2900         qdev->lrg_buf_index = 0;
2901         qdev->lrg_buf_skb_check = 0;
2902 }
2903
2904 static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
2905 {
2906         int i;
2907         struct ql_rcv_buf_cb *lrg_buf_cb;
2908         struct sk_buff *skb;
2909         dma_addr_t map;
2910         int err;
2911
2912         for (i = 0; i < qdev->num_large_buffers; i++) {
2913                 skb = netdev_alloc_skb(qdev->ndev,
2914                                        qdev->lrg_buffer_len);
2915                 if (unlikely(!skb)) {
2916                         /* Better luck next round */
2917                         printk(KERN_ERR PFX
2918                                "%s: large buff alloc failed, "
2919                                "for %d bytes at index %d.\n",
2920                                qdev->ndev->name,
2921                                qdev->lrg_buffer_len * 2, i);
2922                         ql_free_large_buffers(qdev);
2923                         return -ENOMEM;
2924                 } else {
2925
2926                         lrg_buf_cb = &qdev->lrg_buf[i];
2927                         memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb));
2928                         lrg_buf_cb->index = i;
2929                         lrg_buf_cb->skb = skb;
2930                         /*
2931                          * We save some space to copy the ethhdr from first
2932                          * buffer
2933                          */
2934                         skb_reserve(skb, QL_HEADER_SPACE);
2935                         map = pci_map_single(qdev->pdev,
2936                                              skb->data,
2937                                              qdev->lrg_buffer_len -
2938                                              QL_HEADER_SPACE,
2939                                              PCI_DMA_FROMDEVICE);
2940
2941                         err = pci_dma_mapping_error(map);
2942                         if(err) {
2943                                 printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
2944                                        qdev->ndev->name, err);
2945                                 ql_free_large_buffers(qdev);
2946                                 return -ENOMEM;
2947                         }
2948
2949                         pci_unmap_addr_set(lrg_buf_cb, mapaddr, map);
2950                         pci_unmap_len_set(lrg_buf_cb, maplen,
2951                                           qdev->lrg_buffer_len -
2952                                           QL_HEADER_SPACE);
2953                         lrg_buf_cb->buf_phy_addr_low =
2954                             cpu_to_le32(LS_64BITS(map));
2955                         lrg_buf_cb->buf_phy_addr_high =
2956                             cpu_to_le32(MS_64BITS(map));
2957                 }
2958         }
2959         return 0;
2960 }
2961
2962 static void ql_free_send_free_list(struct ql3_adapter *qdev)
2963 {
2964         struct ql_tx_buf_cb *tx_cb;
2965         int i;
2966
2967         tx_cb = &qdev->tx_buf[0];
2968         for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
2969                 if (tx_cb->oal) {
2970                         kfree(tx_cb->oal);
2971                         tx_cb->oal = NULL;
2972                 }
2973                 tx_cb++;
2974         }
2975 }
2976
2977 static int ql_create_send_free_list(struct ql3_adapter *qdev)
2978 {
2979         struct ql_tx_buf_cb *tx_cb;
2980         int i;
2981         struct ob_mac_iocb_req *req_q_curr =
2982                                         qdev->req_q_virt_addr;
2983
2984         /* Create free list of transmit buffers */
2985         for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
2986
2987                 tx_cb = &qdev->tx_buf[i];
2988                 tx_cb->skb = NULL;
2989                 tx_cb->queue_entry = req_q_curr;
2990                 req_q_curr++;
2991                 tx_cb->oal = kmalloc(512, GFP_KERNEL);
2992                 if (tx_cb->oal == NULL)
2993                         return -1;
2994         }
2995         return 0;
2996 }
2997
2998 static int ql_alloc_mem_resources(struct ql3_adapter *qdev)
2999 {
3000         if (qdev->ndev->mtu == NORMAL_MTU_SIZE) {
3001                 qdev->num_lbufq_entries = NUM_LBUFQ_ENTRIES;
3002                 qdev->lrg_buffer_len = NORMAL_MTU_SIZE;
3003         }
3004         else if (qdev->ndev->mtu == JUMBO_MTU_SIZE) {
3005                 /*
3006                  * Bigger buffers, so less of them.
3007                  */
3008                 qdev->num_lbufq_entries = JUMBO_NUM_LBUFQ_ENTRIES;
3009                 qdev->lrg_buffer_len = JUMBO_MTU_SIZE;
3010         } else {
3011                 printk(KERN_ERR PFX
3012                        "%s: Invalid mtu size.  Only 1500 and 9000 are accepted.\n",
3013                        qdev->ndev->name);
3014                 return -ENOMEM;
3015         }
3016         qdev->num_large_buffers = qdev->num_lbufq_entries * QL_ADDR_ELE_PER_BUFQ_ENTRY;
3017         qdev->lrg_buffer_len += VLAN_ETH_HLEN + VLAN_ID_LEN + QL_HEADER_SPACE;
3018         qdev->max_frame_size =
3019             (qdev->lrg_buffer_len - QL_HEADER_SPACE) + ETHERNET_CRC_SIZE;
3020
3021         /*
3022          * First allocate a page of shared memory and use it for shadow
3023          * locations of Network Request Queue Consumer Address Register and
3024          * Network Completion Queue Producer Index Register
3025          */
3026         qdev->shadow_reg_virt_addr =
3027             pci_alloc_consistent(qdev->pdev,
3028                                  PAGE_SIZE, &qdev->shadow_reg_phy_addr);
3029
3030         if (qdev->shadow_reg_virt_addr != NULL) {
3031                 qdev->preq_consumer_index = (u16 *) qdev->shadow_reg_virt_addr;
3032                 qdev->req_consumer_index_phy_addr_high =
3033                     MS_64BITS(qdev->shadow_reg_phy_addr);
3034                 qdev->req_consumer_index_phy_addr_low =
3035                     LS_64BITS(qdev->shadow_reg_phy_addr);
3036
3037                 qdev->prsp_producer_index =
3038                     (u32 *) (((u8 *) qdev->preq_consumer_index) + 8);
3039                 qdev->rsp_producer_index_phy_addr_high =
3040                     qdev->req_consumer_index_phy_addr_high;
3041                 qdev->rsp_producer_index_phy_addr_low =
3042                     qdev->req_consumer_index_phy_addr_low + 8;
3043         } else {
3044                 printk(KERN_ERR PFX
3045                        "%s: shadowReg Alloc failed.\n", qdev->ndev->name);
3046                 return -ENOMEM;
3047         }
3048
3049         if (ql_alloc_net_req_rsp_queues(qdev) != 0) {
3050                 printk(KERN_ERR PFX
3051                        "%s: ql_alloc_net_req_rsp_queues failed.\n",
3052                        qdev->ndev->name);
3053                 goto err_req_rsp;
3054         }
3055
3056         if (ql_alloc_buffer_queues(qdev) != 0) {
3057                 printk(KERN_ERR PFX
3058                        "%s: ql_alloc_buffer_queues failed.\n",
3059                        qdev->ndev->name);
3060                 goto err_buffer_queues;
3061         }
3062
3063         if (ql_alloc_small_buffers(qdev) != 0) {
3064                 printk(KERN_ERR PFX
3065                        "%s: ql_alloc_small_buffers failed\n", qdev->ndev->name);
3066                 goto err_small_buffers;
3067         }
3068
3069         if (ql_alloc_large_buffers(qdev) != 0) {
3070                 printk(KERN_ERR PFX
3071                        "%s: ql_alloc_large_buffers failed\n", qdev->ndev->name);
3072                 goto err_small_buffers;
3073         }
3074
3075         /* Initialize the large buffer queue. */
3076         ql_init_large_buffers(qdev);
3077         if (ql_create_send_free_list(qdev))
3078                 goto err_free_list;
3079
3080         qdev->rsp_current = qdev->rsp_q_virt_addr;
3081
3082         return 0;
3083 err_free_list:
3084         ql_free_send_free_list(qdev);
3085 err_small_buffers:
3086         ql_free_buffer_queues(qdev);
3087 err_buffer_queues:
3088         ql_free_net_req_rsp_queues(qdev);
3089 err_req_rsp:
3090         pci_free_consistent(qdev->pdev,
3091                             PAGE_SIZE,
3092                             qdev->shadow_reg_virt_addr,
3093                             qdev->shadow_reg_phy_addr);
3094
3095         return -ENOMEM;
3096 }
3097
3098 static void ql_free_mem_resources(struct ql3_adapter *qdev)
3099 {
3100         ql_free_send_free_list(qdev);
3101         ql_free_large_buffers(qdev);
3102         ql_free_small_buffers(qdev);
3103         ql_free_buffer_queues(qdev);
3104         ql_free_net_req_rsp_queues(qdev);
3105         if (qdev->shadow_reg_virt_addr != NULL) {
3106                 pci_free_consistent(qdev->pdev,
3107                                     PAGE_SIZE,
3108                                     qdev->shadow_reg_virt_addr,
3109                                     qdev->shadow_reg_phy_addr);
3110                 qdev->shadow_reg_virt_addr = NULL;
3111         }
3112 }
3113
3114 static int ql_init_misc_registers(struct ql3_adapter *qdev)
3115 {
3116         struct ql3xxx_local_ram_registers __iomem *local_ram =
3117             (void __iomem *)qdev->mem_map_registers;
3118
3119         if(ql_sem_spinlock(qdev, QL_DDR_RAM_SEM_MASK,
3120                         (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
3121                          2) << 4))
3122                 return -1;
3123
3124         ql_write_page2_reg(qdev,
3125                            &local_ram->bufletSize, qdev->nvram_data.bufletSize);
3126
3127         ql_write_page2_reg(qdev,
3128                            &local_ram->maxBufletCount,
3129                            qdev->nvram_data.bufletCount);
3130
3131         ql_write_page2_reg(qdev,
3132                            &local_ram->freeBufletThresholdLow,
3133                            (qdev->nvram_data.tcpWindowThreshold25 << 16) |
3134                            (qdev->nvram_data.tcpWindowThreshold0));
3135
3136         ql_write_page2_reg(qdev,
3137                            &local_ram->freeBufletThresholdHigh,
3138                            qdev->nvram_data.tcpWindowThreshold50);
3139
3140         ql_write_page2_reg(qdev,
3141                            &local_ram->ipHashTableBase,
3142                            (qdev->nvram_data.ipHashTableBaseHi << 16) |
3143                            qdev->nvram_data.ipHashTableBaseLo);
3144         ql_write_page2_reg(qdev,
3145                            &local_ram->ipHashTableCount,
3146                            qdev->nvram_data.ipHashTableSize);
3147         ql_write_page2_reg(qdev,
3148                            &local_ram->tcpHashTableBase,
3149                            (qdev->nvram_data.tcpHashTableBaseHi << 16) |
3150                            qdev->nvram_data.tcpHashTableBaseLo);
3151         ql_write_page2_reg(qdev,
3152                            &local_ram->tcpHashTableCount,
3153                            qdev->nvram_data.tcpHashTableSize);
3154         ql_write_page2_reg(qdev,
3155                            &local_ram->ncbBase,
3156                            (qdev->nvram_data.ncbTableBaseHi << 16) |
3157                            qdev->nvram_data.ncbTableBaseLo);
3158         ql_write_page2_reg(qdev,
3159                            &local_ram->maxNcbCount,
3160                            qdev->nvram_data.ncbTableSize);
3161         ql_write_page2_reg(qdev,
3162                            &local_ram->drbBase,
3163                            (qdev->nvram_data.drbTableBaseHi << 16) |
3164                            qdev->nvram_data.drbTableBaseLo);
3165         ql_write_page2_reg(qdev,
3166                            &local_ram->maxDrbCount,
3167                            qdev->nvram_data.drbTableSize);
3168         ql_sem_unlock(qdev, QL_DDR_RAM_SEM_MASK);
3169         return 0;
3170 }
3171
3172 static int ql_adapter_initialize(struct ql3_adapter *qdev)
3173 {
3174         u32 value;
3175         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3176         struct ql3xxx_host_memory_registers __iomem *hmem_regs =
3177                                                 (void __iomem *)port_regs;
3178         u32 delay = 10;
3179         int status = 0;
3180
3181         if(ql_mii_setup(qdev))
3182                 return -1;
3183
3184         /* Bring out PHY out of reset */
3185         ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
3186                             (ISP_SERIAL_PORT_IF_WE |
3187                              (ISP_SERIAL_PORT_IF_WE << 16)));
3188
3189         qdev->port_link_state = LS_DOWN;
3190         netif_carrier_off(qdev->ndev);
3191
3192         /* V2 chip fix for ARS-39168. */
3193         ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
3194                             (ISP_SERIAL_PORT_IF_SDE |
3195                              (ISP_SERIAL_PORT_IF_SDE << 16)));
3196
3197         /* Request Queue Registers */
3198         *((u32 *) (qdev->preq_consumer_index)) = 0;
3199         atomic_set(&qdev->tx_count,NUM_REQ_Q_ENTRIES);
3200         qdev->req_producer_index = 0;
3201
3202         ql_write_page1_reg(qdev,
3203                            &hmem_regs->reqConsumerIndexAddrHigh,
3204                            qdev->req_consumer_index_phy_addr_high);
3205         ql_write_page1_reg(qdev,
3206                            &hmem_regs->reqConsumerIndexAddrLow,
3207                            qdev->req_consumer_index_phy_addr_low);
3208
3209         ql_write_page1_reg(qdev,
3210                            &hmem_regs->reqBaseAddrHigh,
3211                            MS_64BITS(qdev->req_q_phy_addr));
3212         ql_write_page1_reg(qdev,
3213                            &hmem_regs->reqBaseAddrLow,
3214                            LS_64BITS(qdev->req_q_phy_addr));
3215         ql_write_page1_reg(qdev, &hmem_regs->reqLength, NUM_REQ_Q_ENTRIES);
3216
3217         /* Response Queue Registers */
3218         *((u16 *) (qdev->prsp_producer_index)) = 0;
3219         qdev->rsp_consumer_index = 0;
3220         qdev->rsp_current = qdev->rsp_q_virt_addr;
3221
3222         ql_write_page1_reg(qdev,
3223                            &hmem_regs->rspProducerIndexAddrHigh,
3224                            qdev->rsp_producer_index_phy_addr_high);
3225
3226         ql_write_page1_reg(qdev,
3227                            &hmem_regs->rspProducerIndexAddrLow,
3228                            qdev->rsp_producer_index_phy_addr_low);
3229
3230         ql_write_page1_reg(qdev,
3231                            &hmem_regs->rspBaseAddrHigh,
3232                            MS_64BITS(qdev->rsp_q_phy_addr));
3233
3234         ql_write_page1_reg(qdev,
3235                            &hmem_regs->rspBaseAddrLow,
3236                            LS_64BITS(qdev->rsp_q_phy_addr));
3237
3238         ql_write_page1_reg(qdev, &hmem_regs->rspLength, NUM_RSP_Q_ENTRIES);
3239
3240         /* Large Buffer Queue */
3241         ql_write_page1_reg(qdev,
3242                            &hmem_regs->rxLargeQBaseAddrHigh,
3243                            MS_64BITS(qdev->lrg_buf_q_phy_addr));
3244
3245         ql_write_page1_reg(qdev,
3246                            &hmem_regs->rxLargeQBaseAddrLow,
3247                            LS_64BITS(qdev->lrg_buf_q_phy_addr));
3248
3249         ql_write_page1_reg(qdev, &hmem_regs->rxLargeQLength, qdev->num_lbufq_entries);
3250
3251         ql_write_page1_reg(qdev,
3252                            &hmem_regs->rxLargeBufferLength,
3253                            qdev->lrg_buffer_len);
3254
3255         /* Small Buffer Queue */
3256         ql_write_page1_reg(qdev,
3257                            &hmem_regs->rxSmallQBaseAddrHigh,
3258                            MS_64BITS(qdev->small_buf_q_phy_addr));
3259
3260         ql_write_page1_reg(qdev,
3261                            &hmem_regs->rxSmallQBaseAddrLow,
3262                            LS_64BITS(qdev->small_buf_q_phy_addr));
3263
3264         ql_write_page1_reg(qdev, &hmem_regs->rxSmallQLength, NUM_SBUFQ_ENTRIES);
3265         ql_write_page1_reg(qdev,
3266                            &hmem_regs->rxSmallBufferLength,
3267                            QL_SMALL_BUFFER_SIZE);
3268
3269         qdev->small_buf_q_producer_index = NUM_SBUFQ_ENTRIES - 1;
3270         qdev->small_buf_release_cnt = 8;
3271         qdev->lrg_buf_q_producer_index = qdev->num_lbufq_entries - 1;
3272         qdev->lrg_buf_release_cnt = 8;
3273         qdev->lrg_buf_next_free =
3274             (struct bufq_addr_element *)qdev->lrg_buf_q_virt_addr;
3275         qdev->small_buf_index = 0;
3276         qdev->lrg_buf_index = 0;
3277         qdev->lrg_buf_free_count = 0;
3278         qdev->lrg_buf_free_head = NULL;
3279         qdev->lrg_buf_free_tail = NULL;
3280
3281         ql_write_common_reg(qdev,
3282                             &port_regs->CommonRegs.
3283                             rxSmallQProducerIndex,
3284                             qdev->small_buf_q_producer_index);
3285         ql_write_common_reg(qdev,
3286                             &port_regs->CommonRegs.
3287                             rxLargeQProducerIndex,
3288                             qdev->lrg_buf_q_producer_index);
3289
3290         /*
3291          * Find out if the chip has already been initialized.  If it has, then
3292          * we skip some of the initialization.
3293          */
3294         clear_bit(QL_LINK_MASTER, &qdev->flags);
3295         value = ql_read_page0_reg(qdev, &port_regs->portStatus);
3296         if ((value & PORT_STATUS_IC) == 0) {
3297
3298                 /* Chip has not been configured yet, so let it rip. */
3299                 if(ql_init_misc_registers(qdev)) {
3300                         status = -1;
3301                         goto out;
3302                 }
3303
3304                 value = qdev->nvram_data.tcpMaxWindowSize;
3305                 ql_write_page0_reg(qdev, &port_regs->tcpMaxWindow, value);
3306
3307                 value = (0xFFFF << 16) | qdev->nvram_data.extHwConfig;
3308
3309                 if(ql_sem_spinlock(qdev, QL_FLASH_SEM_MASK,
3310                                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index)
3311                                  * 2) << 13)) {
3312                         status = -1;
3313                         goto out;
3314                 }
3315                 ql_write_page0_reg(qdev, &port_regs->ExternalHWConfig, value);
3316                 ql_write_page0_reg(qdev, &port_regs->InternalChipConfig,
3317                                    (((INTERNAL_CHIP_SD | INTERNAL_CHIP_WE) <<
3318                                      16) | (INTERNAL_CHIP_SD |
3319                                             INTERNAL_CHIP_WE)));
3320                 ql_sem_unlock(qdev, QL_FLASH_SEM_MASK);
3321         }
3322
3323         if (qdev->mac_index)
3324                 ql_write_page0_reg(qdev,
3325                                    &port_regs->mac1MaxFrameLengthReg,
3326                                    qdev->max_frame_size);
3327         else
3328                 ql_write_page0_reg(qdev,
3329                                            &port_regs->mac0MaxFrameLengthReg,
3330                                            qdev->max_frame_size);
3331
3332         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
3333                         (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
3334                          2) << 7)) {
3335                 status = -1;
3336                 goto out;
3337         }
3338
3339         PHY_Setup(qdev);
3340         ql_init_scan_mode(qdev);
3341         ql_get_phy_owner(qdev);
3342
3343         /* Load the MAC Configuration */
3344
3345         /* Program lower 32 bits of the MAC address */
3346         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3347                            (MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16));
3348         ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3349                            ((qdev->ndev->dev_addr[2] << 24)
3350                             | (qdev->ndev->dev_addr[3] << 16)
3351                             | (qdev->ndev->dev_addr[4] << 8)
3352                             | qdev->ndev->dev_addr[5]));
3353
3354         /* Program top 16 bits of the MAC address */
3355         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3356                            ((MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16) | 1));
3357         ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3358                            ((qdev->ndev->dev_addr[0] << 8)
3359                             | qdev->ndev->dev_addr[1]));
3360
3361         /* Enable Primary MAC */
3362         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3363                            ((MAC_ADDR_INDIRECT_PTR_REG_PE << 16) |
3364                             MAC_ADDR_INDIRECT_PTR_REG_PE));
3365
3366         /* Clear Primary and Secondary IP addresses */
3367         ql_write_page0_reg(qdev, &port_regs->ipAddrIndexReg,
3368                            ((IP_ADDR_INDEX_REG_MASK << 16) |
3369                             (qdev->mac_index << 2)));
3370         ql_write_page0_reg(qdev, &port_regs->ipAddrDataReg, 0);
3371
3372         ql_write_page0_reg(qdev, &port_regs->ipAddrIndexReg,
3373                            ((IP_ADDR_INDEX_REG_MASK << 16) |
3374                             ((qdev->mac_index << 2) + 1)));
3375         ql_write_page0_reg(qdev, &port_regs->ipAddrDataReg, 0);
3376
3377         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
3378
3379         /* Indicate Configuration Complete */
3380         ql_write_page0_reg(qdev,
3381                            &port_regs->portControl,
3382                            ((PORT_CONTROL_CC << 16) | PORT_CONTROL_CC));
3383
3384         do {
3385                 value = ql_read_page0_reg(qdev, &port_regs->portStatus);
3386                 if (value & PORT_STATUS_IC)
3387                         break;
3388                 msleep(500);
3389         } while (--delay);
3390
3391         if (delay == 0) {
3392                 printk(KERN_ERR PFX
3393                        "%s: Hw Initialization timeout.\n", qdev->ndev->name);
3394                 status = -1;
3395                 goto out;
3396         }
3397
3398         /* Enable Ethernet Function */
3399         if (qdev->device_id == QL3032_DEVICE_ID) {
3400                 value =
3401                     (QL3032_PORT_CONTROL_EF | QL3032_PORT_CONTROL_KIE |
3402                      QL3032_PORT_CONTROL_EIv6 | QL3032_PORT_CONTROL_EIv4 |
3403                         QL3032_PORT_CONTROL_ET);
3404                 ql_write_page0_reg(qdev, &port_regs->functionControl,
3405                                    ((value << 16) | value));
3406         } else {
3407                 value =
3408                     (PORT_CONTROL_EF | PORT_CONTROL_ET | PORT_CONTROL_EI |
3409                      PORT_CONTROL_HH);
3410                 ql_write_page0_reg(qdev, &port_regs->portControl,
3411                                    ((value << 16) | value));
3412         }
3413
3414
3415 out:
3416         return status;
3417 }
3418
3419 /*
3420  * Caller holds hw_lock.
3421  */
3422 static int ql_adapter_reset(struct ql3_adapter *qdev)
3423 {
3424         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3425         int status = 0;
3426         u16 value;
3427         int max_wait_time;
3428
3429         set_bit(QL_RESET_ACTIVE, &qdev->flags);
3430         clear_bit(QL_RESET_DONE, &qdev->flags);
3431
3432         /*
3433          * Issue soft reset to chip.
3434          */
3435         printk(KERN_DEBUG PFX
3436                "%s: Issue soft reset to chip.\n",
3437                qdev->ndev->name);
3438         ql_write_common_reg(qdev,
3439                             &port_regs->CommonRegs.ispControlStatus,
3440                             ((ISP_CONTROL_SR << 16) | ISP_CONTROL_SR));
3441
3442         /* Wait 3 seconds for reset to complete. */
3443         printk(KERN_DEBUG PFX
3444                "%s: Wait 10 milliseconds for reset to complete.\n",
3445                qdev->ndev->name);
3446
3447         /* Wait until the firmware tells us the Soft Reset is done */
3448         max_wait_time = 5;
3449         do {
3450                 value =
3451                     ql_read_common_reg(qdev,
3452                                        &port_regs->CommonRegs.ispControlStatus);
3453                 if ((value & ISP_CONTROL_SR) == 0)
3454                         break;
3455
3456                 ssleep(1);
3457         } while ((--max_wait_time));
3458
3459         /*
3460          * Also, make sure that the Network Reset Interrupt bit has been
3461          * cleared after the soft reset has taken place.
3462          */
3463         value =
3464             ql_read_common_reg(qdev, &port_regs->CommonRegs.ispControlStatus);
3465         if (value & ISP_CONTROL_RI) {
3466                 printk(KERN_DEBUG PFX
3467                        "ql_adapter_reset: clearing RI after reset.\n");
3468                 ql_write_common_reg(qdev,
3469                                     &port_regs->CommonRegs.
3470                                     ispControlStatus,
3471                                     ((ISP_CONTROL_RI << 16) | ISP_CONTROL_RI));
3472         }
3473
3474         if (max_wait_time == 0) {
3475                 /* Issue Force Soft Reset */
3476                 ql_write_common_reg(qdev,
3477                                     &port_regs->CommonRegs.
3478                                     ispControlStatus,
3479                                     ((ISP_CONTROL_FSR << 16) |
3480                                      ISP_CONTROL_FSR));
3481                 /*
3482                  * Wait until the firmware tells us the Force Soft Reset is
3483                  * done
3484                  */
3485                 max_wait_time = 5;
3486                 do {
3487                         value =
3488                             ql_read_common_reg(qdev,
3489                                                &port_regs->CommonRegs.
3490                                                ispControlStatus);
3491                         if ((value & ISP_CONTROL_FSR) == 0) {
3492                                 break;
3493                         }
3494                         ssleep(1);
3495                 } while ((--max_wait_time));
3496         }
3497         if (max_wait_time == 0)
3498                 status = 1;
3499
3500         clear_bit(QL_RESET_ACTIVE, &qdev->flags);
3501         set_bit(QL_RESET_DONE, &qdev->flags);
3502         return status;
3503 }
3504
3505 static void ql_set_mac_info(struct ql3_adapter *qdev)
3506 {
3507         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3508         u32 value, port_status;
3509         u8 func_number;
3510
3511         /* Get the function number */
3512         value =
3513             ql_read_common_reg_l(qdev, &port_regs->CommonRegs.ispControlStatus);
3514         func_number = (u8) ((value >> 4) & OPCODE_FUNC_ID_MASK);
3515         port_status = ql_read_page0_reg(qdev, &port_regs->portStatus);
3516         switch (value & ISP_CONTROL_FN_MASK) {
3517         case ISP_CONTROL_FN0_NET:
3518                 qdev->mac_index = 0;
3519                 qdev->mac_ob_opcode = OUTBOUND_MAC_IOCB | func_number;
3520                 qdev->tcp_ob_opcode = OUTBOUND_TCP_IOCB | func_number;
3521                 qdev->update_ob_opcode = UPDATE_NCB_IOCB | func_number;
3522                 qdev->mb_bit_mask = FN0_MA_BITS_MASK;
3523                 qdev->PHYAddr = PORT0_PHY_ADDRESS;
3524                 if (port_status & PORT_STATUS_SM0)
3525                         set_bit(QL_LINK_OPTICAL,&qdev->flags);
3526                 else
3527                         clear_bit(QL_LINK_OPTICAL,&qdev->flags);
3528                 break;
3529
3530         case ISP_CONTROL_FN1_NET:
3531                 qdev->mac_index = 1;
3532                 qdev->mac_ob_opcode = OUTBOUND_MAC_IOCB | func_number;
3533                 qdev->tcp_ob_opcode = OUTBOUND_TCP_IOCB | func_number;
3534                 qdev->update_ob_opcode = UPDATE_NCB_IOCB | func_number;
3535                 qdev->mb_bit_mask = FN1_MA_BITS_MASK;
3536                 qdev->PHYAddr = PORT1_PHY_ADDRESS;
3537                 if (port_status & PORT_STATUS_SM1)
3538                         set_bit(QL_LINK_OPTICAL,&qdev->flags);
3539                 else
3540                         clear_bit(QL_LINK_OPTICAL,&qdev->flags);
3541                 break;
3542
3543         case ISP_CONTROL_FN0_SCSI:
3544         case ISP_CONTROL_FN1_SCSI:
3545         default:
3546                 printk(KERN_DEBUG PFX
3547                        "%s: Invalid function number, ispControlStatus = 0x%x\n",
3548                        qdev->ndev->name,value);
3549                 break;
3550         }
3551         qdev->numPorts = qdev->nvram_data.numPorts;
3552 }
3553
3554 static void ql_display_dev_info(struct net_device *ndev)
3555 {
3556         struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3557         struct pci_dev *pdev = qdev->pdev;
3558
3559         printk(KERN_INFO PFX
3560                "\n%s Adapter %d RevisionID %d found %s on PCI slot %d.\n",
3561                DRV_NAME, qdev->index, qdev->chip_rev_id,
3562                (qdev->device_id == QL3032_DEVICE_ID) ? "QLA3032" : "QLA3022",
3563                qdev->pci_slot);
3564         printk(KERN_INFO PFX
3565                "%s Interface.\n",
3566                test_bit(QL_LINK_OPTICAL,&qdev->flags) ? "OPTICAL" : "COPPER");
3567
3568         /*
3569          * Print PCI bus width/type.
3570          */
3571         printk(KERN_INFO PFX
3572                "Bus interface is %s %s.\n",
3573                ((qdev->pci_width == 64) ? "64-bit" : "32-bit"),
3574                ((qdev->pci_x) ? "PCI-X" : "PCI"));
3575
3576         printk(KERN_INFO PFX
3577                "mem  IO base address adjusted = 0x%p\n",
3578                qdev->mem_map_registers);
3579         printk(KERN_INFO PFX "Interrupt number = %d\n", pdev->irq);
3580
3581         if (netif_msg_probe(qdev))
3582                 printk(KERN_INFO PFX
3583                        "%s: MAC address %02x:%02x:%02x:%02x:%02x:%02x\n",
3584                        ndev->name, ndev->dev_addr[0], ndev->dev_addr[1],
3585                        ndev->dev_addr[2], ndev->dev_addr[3], ndev->dev_addr[4],
3586                        ndev->dev_addr[5]);
3587 }
3588
3589 static int ql_adapter_down(struct ql3_adapter *qdev, int do_reset)
3590 {
3591         struct net_device *ndev = qdev->ndev;
3592         int retval = 0;
3593
3594         netif_stop_queue(ndev);
3595         netif_carrier_off(ndev);
3596
3597         clear_bit(QL_ADAPTER_UP,&qdev->flags);
3598         clear_bit(QL_LINK_MASTER,&qdev->flags);
3599
3600         ql_disable_interrupts(qdev);
3601
3602         free_irq(qdev->pdev->irq, ndev);
3603
3604         if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) {
3605                 printk(KERN_INFO PFX
3606                        "%s: calling pci_disable_msi().\n", qdev->ndev->name);
3607                 clear_bit(QL_MSI_ENABLED,&qdev->flags);
3608                 pci_disable_msi(qdev->pdev);
3609         }
3610
3611         del_timer_sync(&qdev->adapter_timer);
3612
3613         netif_poll_disable(ndev);
3614
3615         if (do_reset) {
3616                 int soft_reset;
3617                 unsigned long hw_flags;
3618
3619                 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3620                 if (ql_wait_for_drvr_lock(qdev)) {
3621                         if ((soft_reset = ql_adapter_reset(qdev))) {
3622                                 printk(KERN_ERR PFX
3623                                        "%s: ql_adapter_reset(%d) FAILED!\n",
3624                                        ndev->name, qdev->index);
3625                         }
3626                         printk(KERN_ERR PFX
3627                                 "%s: Releaseing driver lock via chip reset.\n",ndev->name);
3628                 } else {
3629                         printk(KERN_ERR PFX
3630                                "%s: Could not acquire driver lock to do "
3631                                "reset!\n", ndev->name);
3632                         retval = -1;
3633                 }
3634                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3635         }
3636         ql_free_mem_resources(qdev);
3637         return retval;
3638 }
3639
3640 static int ql_adapter_up(struct ql3_adapter *qdev)
3641 {
3642         struct net_device *ndev = qdev->ndev;
3643         int err;
3644         unsigned long irq_flags = IRQF_SAMPLE_RANDOM | IRQF_SHARED;
3645         unsigned long hw_flags;
3646
3647         if (ql_alloc_mem_resources(qdev)) {
3648                 printk(KERN_ERR PFX
3649                        "%s Unable to  allocate buffers.\n", ndev->name);
3650                 return -ENOMEM;
3651         }
3652
3653         if (qdev->msi) {
3654                 if (pci_enable_msi(qdev->pdev)) {
3655                         printk(KERN_ERR PFX
3656                                "%s: User requested MSI, but MSI failed to "
3657                                "initialize.  Continuing without MSI.\n",
3658                                qdev->ndev->name);
3659                         qdev->msi = 0;
3660                 } else {
3661                         printk(KERN_INFO PFX "%s: MSI Enabled...\n", qdev->ndev->name);
3662                         set_bit(QL_MSI_ENABLED,&qdev->flags);
3663                         irq_flags &= ~IRQF_SHARED;
3664                 }
3665         }
3666
3667         if ((err = request_irq(qdev->pdev->irq,
3668                                ql3xxx_isr,
3669                                irq_flags, ndev->name, ndev))) {
3670                 printk(KERN_ERR PFX
3671                        "%s: Failed to reserve interrupt %d already in use.\n",
3672                        ndev->name, qdev->pdev->irq);
3673                 goto err_irq;
3674         }
3675
3676         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3677
3678         if ((err = ql_wait_for_drvr_lock(qdev))) {
3679                 if ((err = ql_adapter_initialize(qdev))) {
3680                         printk(KERN_ERR PFX
3681                                "%s: Unable to initialize adapter.\n",
3682                                ndev->name);
3683                         goto err_init;
3684                 }
3685                 printk(KERN_ERR PFX
3686                                 "%s: Releaseing driver lock.\n",ndev->name);
3687                 ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
3688         } else {
3689                 printk(KERN_ERR PFX
3690                        "%s: Could not aquire driver lock.\n",
3691                        ndev->name);
3692                 goto err_lock;
3693         }
3694
3695         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3696
3697         set_bit(QL_ADAPTER_UP,&qdev->flags);
3698
3699         mod_timer(&qdev->adapter_timer, jiffies + HZ * 1);
3700
3701         netif_poll_enable(ndev);
3702         ql_enable_interrupts(qdev);
3703         return 0;
3704
3705 err_init:
3706         ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
3707 err_lock:
3708         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3709         free_irq(qdev->pdev->irq, ndev);
3710 err_irq:
3711         if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) {
3712                 printk(KERN_INFO PFX
3713                        "%s: calling pci_disable_msi().\n",
3714                        qdev->ndev->name);
3715                 clear_bit(QL_MSI_ENABLED,&qdev->flags);
3716                 pci_disable_msi(qdev->pdev);
3717         }
3718         return err;
3719 }
3720
3721 static int ql_cycle_adapter(struct ql3_adapter *qdev, int reset)
3722 {
3723         if( ql_adapter_down(qdev,reset) || ql_adapter_up(qdev)) {
3724                 printk(KERN_ERR PFX
3725                                 "%s: Driver up/down cycle failed, "
3726                                 "closing device\n",qdev->ndev->name);
3727                 dev_close(qdev->ndev);
3728                 return -1;
3729         }
3730         return 0;
3731 }
3732
3733 static int ql3xxx_close(struct net_device *ndev)
3734 {
3735         struct ql3_adapter *qdev = netdev_priv(ndev);
3736
3737         /*
3738          * Wait for device to recover from a reset.
3739          * (Rarely happens, but possible.)
3740          */
3741         while (!test_bit(QL_ADAPTER_UP,&qdev->flags))
3742                 msleep(50);
3743
3744         ql_adapter_down(qdev,QL_DO_RESET);
3745         return 0;
3746 }
3747
3748 static int ql3xxx_open(struct net_device *ndev)
3749 {
3750         struct ql3_adapter *qdev = netdev_priv(ndev);
3751         return (ql_adapter_up(qdev));
3752 }
3753
3754 static struct net_device_stats *ql3xxx_get_stats(struct net_device *dev)
3755 {
3756         struct ql3_adapter *qdev = (struct ql3_adapter *)dev->priv;
3757         return &qdev->stats;
3758 }
3759
3760 static void ql3xxx_set_multicast_list(struct net_device *ndev)
3761 {
3762         /*
3763          * We are manually parsing the list in the net_device structure.
3764          */
3765         return;
3766 }
3767
3768 static int ql3xxx_set_mac_address(struct net_device *ndev, void *p)
3769 {
3770         struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3771         struct ql3xxx_port_registers __iomem *port_regs =
3772                         qdev->mem_map_registers;
3773         struct sockaddr *addr = p;
3774         unsigned long hw_flags;
3775
3776         if (netif_running(ndev))
3777                 return -EBUSY;
3778
3779         if (!is_valid_ether_addr(addr->sa_data))
3780                 return -EADDRNOTAVAIL;
3781
3782         memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len);
3783
3784         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3785         /* Program lower 32 bits of the MAC address */
3786         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3787                            (MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16));
3788         ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3789                            ((ndev->dev_addr[2] << 24) | (ndev->
3790                                                          dev_addr[3] << 16) |
3791                             (ndev->dev_addr[4] << 8) | ndev->dev_addr[5]));
3792
3793         /* Program top 16 bits of the MAC address */
3794         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3795                            ((MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16) | 1));
3796         ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3797                            ((ndev->dev_addr[0] << 8) | ndev->dev_addr[1]));
3798         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3799
3800         return 0;
3801 }
3802
3803 static void ql3xxx_tx_timeout(struct net_device *ndev)
3804 {
3805         struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3806
3807         printk(KERN_ERR PFX "%s: Resetting...\n", ndev->name);
3808         /*
3809          * Stop the queues, we've got a problem.
3810          */
3811         netif_stop_queue(ndev);
3812
3813         /*
3814          * Wake up the worker to process this event.
3815          */
3816         queue_delayed_work(qdev->workqueue, &qdev->tx_timeout_work, 0);
3817 }
3818
3819 static void ql_reset_work(struct work_struct *work)
3820 {
3821         struct ql3_adapter *qdev =
3822                 container_of(work, struct ql3_adapter, reset_work.work);
3823         struct net_device *ndev = qdev->ndev;
3824         u32 value;
3825         struct ql_tx_buf_cb *tx_cb;
3826         int max_wait_time, i;
3827         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3828         unsigned long hw_flags;
3829
3830         if (test_bit((QL_RESET_PER_SCSI | QL_RESET_START),&qdev->flags)) {
3831                 clear_bit(QL_LINK_MASTER,&qdev->flags);
3832
3833                 /*
3834                  * Loop through the active list and return the skb.
3835                  */
3836                 for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
3837                         int j;
3838                         tx_cb = &qdev->tx_buf[i];
3839                         if (tx_cb->skb) {
3840                                 printk(KERN_DEBUG PFX
3841                                        "%s: Freeing lost SKB.\n",
3842                                        qdev->ndev->name);
3843                                 pci_unmap_single(qdev->pdev,
3844                                          pci_unmap_addr(&tx_cb->map[0], mapaddr),
3845                                          pci_unmap_len(&tx_cb->map[0], maplen),
3846                                          PCI_DMA_TODEVICE);
3847                                 for(j=1;j<tx_cb->seg_count;j++) {
3848                                         pci_unmap_page(qdev->pdev,
3849                                                pci_unmap_addr(&tx_cb->map[j],mapaddr),
3850                                                pci_unmap_len(&tx_cb->map[j],maplen),
3851                                                PCI_DMA_TODEVICE);
3852                                 }
3853                                 dev_kfree_skb(tx_cb->skb);
3854                                 tx_cb->skb = NULL;
3855                         }
3856                 }
3857
3858                 printk(KERN_ERR PFX
3859                        "%s: Clearing NRI after reset.\n", qdev->ndev->name);
3860                 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3861                 ql_write_common_reg(qdev,
3862                                     &port_regs->CommonRegs.
3863                                     ispControlStatus,
3864                                     ((ISP_CONTROL_RI << 16) | ISP_CONTROL_RI));
3865                 /*
3866                  * Wait the for Soft Reset to Complete.
3867                  */
3868                 max_wait_time = 10;
3869                 do {
3870                         value = ql_read_common_reg(qdev,
3871                                                    &port_regs->CommonRegs.
3872
3873                                                    ispControlStatus);
3874                         if ((value & ISP_CONTROL_SR) == 0) {
3875                                 printk(KERN_DEBUG PFX
3876                                        "%s: reset completed.\n",
3877                                        qdev->ndev->name);
3878                                 break;
3879                         }
3880
3881                         if (value & ISP_CONTROL_RI) {
3882                                 printk(KERN_DEBUG PFX
3883                                        "%s: clearing NRI after reset.\n",
3884                                        qdev->ndev->name);
3885                                 ql_write_common_reg(qdev,
3886                                                     &port_regs->
3887                                                     CommonRegs.
3888                                                     ispControlStatus,
3889                                                     ((ISP_CONTROL_RI <<
3890                                                       16) | ISP_CONTROL_RI));
3891                         }
3892
3893                         ssleep(1);
3894                 } while (--max_wait_time);
3895                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3896
3897                 if (value & ISP_CONTROL_SR) {
3898
3899                         /*
3900                          * Set the reset flags and clear the board again.
3901                          * Nothing else to do...
3902                          */
3903                         printk(KERN_ERR PFX
3904                                "%s: Timed out waiting for reset to "
3905                                "complete.\n", ndev->name);
3906                         printk(KERN_ERR PFX
3907                                "%s: Do a reset.\n", ndev->name);
3908                         clear_bit(QL_RESET_PER_SCSI,&qdev->flags);
3909                         clear_bit(QL_RESET_START,&qdev->flags);
3910                         ql_cycle_adapter(qdev,QL_DO_RESET);
3911                         return;
3912                 }
3913
3914                 clear_bit(QL_RESET_ACTIVE,&qdev->flags);
3915                 clear_bit(QL_RESET_PER_SCSI,&qdev->flags);
3916                 clear_bit(QL_RESET_START,&qdev->flags);
3917                 ql_cycle_adapter(qdev,QL_NO_RESET);
3918         }
3919 }
3920
3921 static void ql_tx_timeout_work(struct work_struct *work)
3922 {
3923         struct ql3_adapter *qdev =
3924                 container_of(work, struct ql3_adapter, tx_timeout_work.work);
3925
3926         ql_cycle_adapter(qdev, QL_DO_RESET);
3927 }
3928
3929 static void ql_get_board_info(struct ql3_adapter *qdev)
3930 {
3931         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3932         u32 value;
3933
3934         value = ql_read_page0_reg_l(qdev, &port_regs->portStatus);
3935
3936         qdev->chip_rev_id = ((value & PORT_STATUS_REV_ID_MASK) >> 12);
3937         if (value & PORT_STATUS_64)
3938                 qdev->pci_width = 64;
3939         else
3940                 qdev->pci_width = 32;
3941         if (value & PORT_STATUS_X)
3942                 qdev->pci_x = 1;
3943         else
3944                 qdev->pci_x = 0;
3945         qdev->pci_slot = (u8) PCI_SLOT(qdev->pdev->devfn);
3946 }
3947
3948 static void ql3xxx_timer(unsigned long ptr)
3949 {
3950         struct ql3_adapter *qdev = (struct ql3_adapter *)ptr;
3951
3952         if (test_bit(QL_RESET_ACTIVE,&qdev->flags)) {
3953                 printk(KERN_DEBUG PFX
3954                        "%s: Reset in progress.\n",
3955                        qdev->ndev->name);
3956                 goto end;
3957         }
3958
3959         ql_link_state_machine(qdev);
3960
3961         /* Restart timer on 2 second interval. */
3962 end:
3963         mod_timer(&qdev->adapter_timer, jiffies + HZ * 1);
3964 }
3965
3966 static int __devinit ql3xxx_probe(struct pci_dev *pdev,
3967                                   const struct pci_device_id *pci_entry)
3968 {
3969         struct net_device *ndev = NULL;
3970         struct ql3_adapter *qdev = NULL;
3971         static int cards_found = 0;
3972         int pci_using_dac, err;
3973
3974         err = pci_enable_device(pdev);
3975         if (err) {
3976                 printk(KERN_ERR PFX "%s cannot enable PCI device\n",
3977                        pci_name(pdev));
3978                 goto err_out;
3979         }
3980
3981         err = pci_request_regions(pdev, DRV_NAME);
3982         if (err) {
3983                 printk(KERN_ERR PFX "%s cannot obtain PCI resources\n",
3984                        pci_name(pdev));
3985                 goto err_out_disable_pdev;
3986         }
3987
3988         pci_set_master(pdev);
3989
3990         if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
3991                 pci_using_dac = 1;
3992                 err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
3993         } else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
3994                 pci_using_dac = 0;
3995                 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
3996         }
3997
3998         if (err) {
3999                 printk(KERN_ERR PFX "%s no usable DMA configuration\n",
4000                        pci_name(pdev));
4001                 goto err_out_free_regions;
4002         }
4003
4004         ndev = alloc_etherdev(sizeof(struct ql3_adapter));
4005         if (!ndev) {
4006                 printk(KERN_ERR PFX "%s could not alloc etherdev\n",
4007                        pci_name(pdev));
4008                 err = -ENOMEM;
4009                 goto err_out_free_regions;
4010         }
4011
4012         SET_MODULE_OWNER(ndev);
4013         SET_NETDEV_DEV(ndev, &pdev->dev);
4014
4015         pci_set_drvdata(pdev, ndev);
4016
4017         qdev = netdev_priv(ndev);
4018         qdev->index = cards_found;
4019         qdev->ndev = ndev;
4020         qdev->pdev = pdev;
4021         qdev->device_id = pci_entry->device;
4022         qdev->port_link_state = LS_DOWN;
4023         if (msi)
4024                 qdev->msi = 1;
4025
4026         qdev->msg_enable = netif_msg_init(debug, default_msg);
4027
4028         if (pci_using_dac)
4029                 ndev->features |= NETIF_F_HIGHDMA;
4030         if (qdev->device_id == QL3032_DEVICE_ID)
4031                 ndev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
4032
4033         qdev->mem_map_registers =
4034             ioremap_nocache(pci_resource_start(pdev, 1),
4035                             pci_resource_len(qdev->pdev, 1));
4036         if (!qdev->mem_map_registers) {
4037                 printk(KERN_ERR PFX "%s: cannot map device registers\n",
4038                        pci_name(pdev));
4039                 err = -EIO;
4040                 goto err_out_free_ndev;
4041         }
4042
4043         spin_lock_init(&qdev->adapter_lock);
4044         spin_lock_init(&qdev->hw_lock);
4045
4046         /* Set driver entry points */
4047         ndev->open = ql3xxx_open;
4048         ndev->hard_start_xmit = ql3xxx_send;
4049         ndev->stop = ql3xxx_close;
4050         ndev->get_stats = ql3xxx_get_stats;
4051         ndev->set_multicast_list = ql3xxx_set_multicast_list;
4052         SET_ETHTOOL_OPS(ndev, &ql3xxx_ethtool_ops);
4053         ndev->set_mac_address = ql3xxx_set_mac_address;
4054         ndev->tx_timeout = ql3xxx_tx_timeout;
4055         ndev->watchdog_timeo = 5 * HZ;
4056
4057         ndev->poll = &ql_poll;
4058         ndev->weight = 64;
4059
4060         ndev->irq = pdev->irq;
4061
4062         /* make sure the EEPROM is good */
4063         if (ql_get_nvram_params(qdev)) {
4064                 printk(KERN_ALERT PFX
4065                        "ql3xxx_probe: Adapter #%d, Invalid NVRAM parameters.\n",
4066                        qdev->index);
4067                 err = -EIO;
4068                 goto err_out_iounmap;
4069         }
4070
4071         ql_set_mac_info(qdev);
4072
4073         /* Validate and set parameters */
4074         if (qdev->mac_index) {
4075                 ndev->mtu = qdev->nvram_data.macCfg_port1.etherMtu_mac ;
4076                 memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn2.macAddress,
4077                        ETH_ALEN);
4078         } else {
4079                 ndev->mtu = qdev->nvram_data.macCfg_port0.etherMtu_mac ;
4080                 memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn0.macAddress,
4081                        ETH_ALEN);
4082         }
4083         memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len);
4084
4085         ndev->tx_queue_len = NUM_REQ_Q_ENTRIES;
4086
4087         /* Turn off support for multicasting */
4088         ndev->flags &= ~IFF_MULTICAST;
4089
4090         /* Record PCI bus information. */
4091         ql_get_board_info(qdev);
4092
4093         /*
4094          * Set the Maximum Memory Read Byte Count value. We do this to handle
4095          * jumbo frames.
4096          */
4097         if (qdev->pci_x) {
4098                 pci_write_config_word(pdev, (int)0x4e, (u16) 0x0036);
4099         }
4100
4101         err = register_netdev(ndev);
4102         if (err) {
4103                 printk(KERN_ERR PFX "%s: cannot register net device\n",
4104                        pci_name(pdev));
4105                 goto err_out_iounmap;
4106         }
4107
4108         /* we're going to reset, so assume we have no link for now */
4109
4110         netif_carrier_off(ndev);
4111         netif_stop_queue(ndev);
4112
4113         qdev->workqueue = create_singlethread_workqueue(ndev->name);
4114         INIT_DELAYED_WORK(&qdev->reset_work, ql_reset_work);
4115         INIT_DELAYED_WORK(&qdev->tx_timeout_work, ql_tx_timeout_work);
4116
4117         init_timer(&qdev->adapter_timer);
4118         qdev->adapter_timer.function = ql3xxx_timer;
4119         qdev->adapter_timer.expires = jiffies + HZ * 2; /* two second delay */
4120         qdev->adapter_timer.data = (unsigned long)qdev;
4121
4122         if(!cards_found) {
4123                 printk(KERN_ALERT PFX "%s\n", DRV_STRING);
4124                 printk(KERN_ALERT PFX "Driver name: %s, Version: %s.\n",
4125                    DRV_NAME, DRV_VERSION);
4126         }
4127         ql_display_dev_info(ndev);
4128
4129         cards_found++;
4130         return 0;
4131
4132 err_out_iounmap:
4133         iounmap(qdev->mem_map_registers);
4134 err_out_free_ndev:
4135         free_netdev(ndev);
4136 err_out_free_regions:
4137         pci_release_regions(pdev);
4138 err_out_disable_pdev:
4139         pci_disable_device(pdev);
4140         pci_set_drvdata(pdev, NULL);
4141 err_out:
4142         return err;
4143 }
4144
4145 static void __devexit ql3xxx_remove(struct pci_dev *pdev)
4146 {
4147         struct net_device *ndev = pci_get_drvdata(pdev);
4148         struct ql3_adapter *qdev = netdev_priv(ndev);
4149
4150         unregister_netdev(ndev);
4151         qdev = netdev_priv(ndev);
4152
4153         ql_disable_interrupts(qdev);
4154
4155         if (qdev->workqueue) {
4156                 cancel_delayed_work(&qdev->reset_work);
4157                 cancel_delayed_work(&qdev->tx_timeout_work);
4158                 destroy_workqueue(qdev->workqueue);
4159                 qdev->workqueue = NULL;
4160         }
4161
4162         iounmap(qdev->mem_map_registers);
4163         pci_release_regions(pdev);
4164         pci_set_drvdata(pdev, NULL);
4165         free_netdev(ndev);
4166 }
4167
4168 static struct pci_driver ql3xxx_driver = {
4169
4170         .name = DRV_NAME,
4171         .id_table = ql3xxx_pci_tbl,
4172         .probe = ql3xxx_probe,
4173         .remove = __devexit_p(ql3xxx_remove),
4174 };
4175
4176 static int __init ql3xxx_init_module(void)
4177 {
4178         return pci_register_driver(&ql3xxx_driver);
4179 }
4180
4181 static void __exit ql3xxx_exit(void)
4182 {
4183         pci_unregister_driver(&ql3xxx_driver);
4184 }
4185
4186 module_init(ql3xxx_init_module);
4187 module_exit(ql3xxx_exit);