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_perm_addr = ethtool_op_get_perm_addr,
1908         .get_link = ethtool_op_get_link,
1909         .get_msglevel = ql_get_msglevel,
1910         .set_msglevel = ql_set_msglevel,
1911         .get_pauseparam = ql_get_pauseparam,
1912 };
1913
1914 static int ql_populate_free_queue(struct ql3_adapter *qdev)
1915 {
1916         struct ql_rcv_buf_cb *lrg_buf_cb = qdev->lrg_buf_free_head;
1917         dma_addr_t map;
1918         int err;
1919
1920         while (lrg_buf_cb) {
1921                 if (!lrg_buf_cb->skb) {
1922                         lrg_buf_cb->skb = netdev_alloc_skb(qdev->ndev,
1923                                                            qdev->lrg_buffer_len);
1924                         if (unlikely(!lrg_buf_cb->skb)) {
1925                                 printk(KERN_DEBUG PFX
1926                                        "%s: Failed netdev_alloc_skb().\n",
1927                                        qdev->ndev->name);
1928                                 break;
1929                         } else {
1930                                 /*
1931                                  * We save some space to copy the ethhdr from
1932                                  * first buffer
1933                                  */
1934                                 skb_reserve(lrg_buf_cb->skb, QL_HEADER_SPACE);
1935                                 map = pci_map_single(qdev->pdev,
1936                                                      lrg_buf_cb->skb->data,
1937                                                      qdev->lrg_buffer_len -
1938                                                      QL_HEADER_SPACE,
1939                                                      PCI_DMA_FROMDEVICE);
1940
1941                                 err = pci_dma_mapping_error(map);
1942                                 if(err) {
1943                                         printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
1944                                                qdev->ndev->name, err);
1945                                         dev_kfree_skb(lrg_buf_cb->skb);
1946                                         lrg_buf_cb->skb = NULL;
1947                                         break;
1948                                 }
1949
1950
1951                                 lrg_buf_cb->buf_phy_addr_low =
1952                                     cpu_to_le32(LS_64BITS(map));
1953                                 lrg_buf_cb->buf_phy_addr_high =
1954                                     cpu_to_le32(MS_64BITS(map));
1955                                 pci_unmap_addr_set(lrg_buf_cb, mapaddr, map);
1956                                 pci_unmap_len_set(lrg_buf_cb, maplen,
1957                                                   qdev->lrg_buffer_len -
1958                                                   QL_HEADER_SPACE);
1959                                 --qdev->lrg_buf_skb_check;
1960                                 if (!qdev->lrg_buf_skb_check)
1961                                         return 1;
1962                         }
1963                 }
1964                 lrg_buf_cb = lrg_buf_cb->next;
1965         }
1966         return 0;
1967 }
1968
1969 /*
1970  * Caller holds hw_lock.
1971  */
1972 static void ql_update_small_bufq_prod_index(struct ql3_adapter *qdev)
1973 {
1974         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1975         if (qdev->small_buf_release_cnt >= 16) {
1976                 while (qdev->small_buf_release_cnt >= 16) {
1977                         qdev->small_buf_q_producer_index++;
1978
1979                         if (qdev->small_buf_q_producer_index ==
1980                             NUM_SBUFQ_ENTRIES)
1981                                 qdev->small_buf_q_producer_index = 0;
1982                         qdev->small_buf_release_cnt -= 8;
1983                 }
1984                 wmb();
1985                 writel(qdev->small_buf_q_producer_index,
1986                         &port_regs->CommonRegs.rxSmallQProducerIndex);
1987         }
1988 }
1989
1990 /*
1991  * Caller holds hw_lock.
1992  */
1993 static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev)
1994 {
1995         struct bufq_addr_element *lrg_buf_q_ele;
1996         int i;
1997         struct ql_rcv_buf_cb *lrg_buf_cb;
1998         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1999
2000         if ((qdev->lrg_buf_free_count >= 8)
2001             && (qdev->lrg_buf_release_cnt >= 16)) {
2002
2003                 if (qdev->lrg_buf_skb_check)
2004                         if (!ql_populate_free_queue(qdev))
2005                                 return;
2006
2007                 lrg_buf_q_ele = qdev->lrg_buf_next_free;
2008
2009                 while ((qdev->lrg_buf_release_cnt >= 16)
2010                        && (qdev->lrg_buf_free_count >= 8)) {
2011
2012                         for (i = 0; i < 8; i++) {
2013                                 lrg_buf_cb =
2014                                     ql_get_from_lrg_buf_free_list(qdev);
2015                                 lrg_buf_q_ele->addr_high =
2016                                     lrg_buf_cb->buf_phy_addr_high;
2017                                 lrg_buf_q_ele->addr_low =
2018                                     lrg_buf_cb->buf_phy_addr_low;
2019                                 lrg_buf_q_ele++;
2020
2021                                 qdev->lrg_buf_release_cnt--;
2022                         }
2023
2024                         qdev->lrg_buf_q_producer_index++;
2025
2026                         if (qdev->lrg_buf_q_producer_index == qdev->num_lbufq_entries)
2027                                 qdev->lrg_buf_q_producer_index = 0;
2028
2029                         if (qdev->lrg_buf_q_producer_index ==
2030                             (qdev->num_lbufq_entries - 1)) {
2031                                 lrg_buf_q_ele = qdev->lrg_buf_q_virt_addr;
2032                         }
2033                 }
2034                 wmb();
2035                 qdev->lrg_buf_next_free = lrg_buf_q_ele;
2036                 writel(qdev->lrg_buf_q_producer_index,
2037                         &port_regs->CommonRegs.rxLargeQProducerIndex);
2038         }
2039 }
2040
2041 static void ql_process_mac_tx_intr(struct ql3_adapter *qdev,
2042                                    struct ob_mac_iocb_rsp *mac_rsp)
2043 {
2044         struct ql_tx_buf_cb *tx_cb;
2045         int i;
2046         int retval = 0;
2047
2048         if(mac_rsp->flags & OB_MAC_IOCB_RSP_S) {
2049                 printk(KERN_WARNING "Frame short but, frame was padded and sent.\n");
2050         }
2051
2052         tx_cb = &qdev->tx_buf[mac_rsp->transaction_id];
2053
2054         /*  Check the transmit response flags for any errors */
2055         if(mac_rsp->flags & OB_MAC_IOCB_RSP_S) {
2056                 printk(KERN_ERR "Frame too short to be legal, frame not sent.\n");
2057
2058                 qdev->stats.tx_errors++;
2059                 retval = -EIO;
2060                 goto frame_not_sent;
2061         }
2062
2063         if(tx_cb->seg_count == 0) {
2064                 printk(KERN_ERR "tx_cb->seg_count == 0: %d\n", mac_rsp->transaction_id);
2065
2066                 qdev->stats.tx_errors++;
2067                 retval = -EIO;
2068                 goto invalid_seg_count;
2069         }
2070
2071         pci_unmap_single(qdev->pdev,
2072                          pci_unmap_addr(&tx_cb->map[0], mapaddr),
2073                          pci_unmap_len(&tx_cb->map[0], maplen),
2074                          PCI_DMA_TODEVICE);
2075         tx_cb->seg_count--;
2076         if (tx_cb->seg_count) {
2077                 for (i = 1; i < tx_cb->seg_count; i++) {
2078                         pci_unmap_page(qdev->pdev,
2079                                        pci_unmap_addr(&tx_cb->map[i],
2080                                                       mapaddr),
2081                                        pci_unmap_len(&tx_cb->map[i], maplen),
2082                                        PCI_DMA_TODEVICE);
2083                 }
2084         }
2085         qdev->stats.tx_packets++;
2086         qdev->stats.tx_bytes += tx_cb->skb->len;
2087
2088 frame_not_sent:
2089         dev_kfree_skb_irq(tx_cb->skb);
2090         tx_cb->skb = NULL;
2091
2092 invalid_seg_count:
2093         atomic_inc(&qdev->tx_count);
2094 }
2095
2096 static void ql_get_sbuf(struct ql3_adapter *qdev)
2097 {
2098         if (++qdev->small_buf_index == NUM_SMALL_BUFFERS)
2099                 qdev->small_buf_index = 0;
2100         qdev->small_buf_release_cnt++;
2101 }
2102
2103 static struct ql_rcv_buf_cb *ql_get_lbuf(struct ql3_adapter *qdev)
2104 {
2105         struct ql_rcv_buf_cb *lrg_buf_cb = NULL;
2106         lrg_buf_cb = &qdev->lrg_buf[qdev->lrg_buf_index];
2107         qdev->lrg_buf_release_cnt++;
2108         if (++qdev->lrg_buf_index == qdev->num_large_buffers)
2109                 qdev->lrg_buf_index = 0;
2110         return(lrg_buf_cb);
2111 }
2112
2113 /*
2114  * The difference between 3022 and 3032 for inbound completions:
2115  * 3022 uses two buffers per completion.  The first buffer contains
2116  * (some) header info, the second the remainder of the headers plus
2117  * the data.  For this chip we reserve some space at the top of the
2118  * receive buffer so that the header info in buffer one can be
2119  * prepended to the buffer two.  Buffer two is the sent up while
2120  * buffer one is returned to the hardware to be reused.
2121  * 3032 receives all of it's data and headers in one buffer for a
2122  * simpler process.  3032 also supports checksum verification as
2123  * can be seen in ql_process_macip_rx_intr().
2124  */
2125 static void ql_process_mac_rx_intr(struct ql3_adapter *qdev,
2126                                    struct ib_mac_iocb_rsp *ib_mac_rsp_ptr)
2127 {
2128         struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL;
2129         struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL;
2130         struct sk_buff *skb;
2131         u16 length = le16_to_cpu(ib_mac_rsp_ptr->length);
2132
2133         /*
2134          * Get the inbound address list (small buffer).
2135          */
2136         ql_get_sbuf(qdev);
2137
2138         if (qdev->device_id == QL3022_DEVICE_ID)
2139                 lrg_buf_cb1 = ql_get_lbuf(qdev);
2140
2141         /* start of second buffer */
2142         lrg_buf_cb2 = ql_get_lbuf(qdev);
2143         skb = lrg_buf_cb2->skb;
2144
2145         qdev->stats.rx_packets++;
2146         qdev->stats.rx_bytes += length;
2147
2148         skb_put(skb, length);
2149         pci_unmap_single(qdev->pdev,
2150                          pci_unmap_addr(lrg_buf_cb2, mapaddr),
2151                          pci_unmap_len(lrg_buf_cb2, maplen),
2152                          PCI_DMA_FROMDEVICE);
2153         prefetch(skb->data);
2154         skb->ip_summed = CHECKSUM_NONE;
2155         skb->protocol = eth_type_trans(skb, qdev->ndev);
2156
2157         netif_receive_skb(skb);
2158         qdev->ndev->last_rx = jiffies;
2159         lrg_buf_cb2->skb = NULL;
2160
2161         if (qdev->device_id == QL3022_DEVICE_ID)
2162                 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb1);
2163         ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb2);
2164 }
2165
2166 static void ql_process_macip_rx_intr(struct ql3_adapter *qdev,
2167                                      struct ib_ip_iocb_rsp *ib_ip_rsp_ptr)
2168 {
2169         struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL;
2170         struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL;
2171         struct sk_buff *skb1 = NULL, *skb2;
2172         struct net_device *ndev = qdev->ndev;
2173         u16 length = le16_to_cpu(ib_ip_rsp_ptr->length);
2174         u16 size = 0;
2175
2176         /*
2177          * Get the inbound address list (small buffer).
2178          */
2179
2180         ql_get_sbuf(qdev);
2181
2182         if (qdev->device_id == QL3022_DEVICE_ID) {
2183                 /* start of first buffer on 3022 */
2184                 lrg_buf_cb1 = ql_get_lbuf(qdev);
2185                 skb1 = lrg_buf_cb1->skb;
2186                 size = ETH_HLEN;
2187                 if (*((u16 *) skb1->data) != 0xFFFF)
2188                         size += VLAN_ETH_HLEN - ETH_HLEN;
2189         }
2190
2191         /* start of second buffer */
2192         lrg_buf_cb2 = ql_get_lbuf(qdev);
2193         skb2 = lrg_buf_cb2->skb;
2194
2195         skb_put(skb2, length);  /* Just the second buffer length here. */
2196         pci_unmap_single(qdev->pdev,
2197                          pci_unmap_addr(lrg_buf_cb2, mapaddr),
2198                          pci_unmap_len(lrg_buf_cb2, maplen),
2199                          PCI_DMA_FROMDEVICE);
2200         prefetch(skb2->data);
2201
2202         skb2->ip_summed = CHECKSUM_NONE;
2203         if (qdev->device_id == QL3022_DEVICE_ID) {
2204                 /*
2205                  * Copy the ethhdr from first buffer to second. This
2206                  * is necessary for 3022 IP completions.
2207                  */
2208                 skb_copy_from_linear_data_offset(skb1, VLAN_ID_LEN,
2209                                                  skb_push(skb2, size), size);
2210         } else {
2211                 u16 checksum = le16_to_cpu(ib_ip_rsp_ptr->checksum);
2212                 if (checksum &
2213                         (IB_IP_IOCB_RSP_3032_ICE |
2214                          IB_IP_IOCB_RSP_3032_CE)) {
2215                         printk(KERN_ERR
2216                                "%s: Bad checksum for this %s packet, checksum = %x.\n",
2217                                __func__,
2218                                ((checksum &
2219                                 IB_IP_IOCB_RSP_3032_TCP) ? "TCP" :
2220                                 "UDP"),checksum);
2221                 } else if ((checksum & IB_IP_IOCB_RSP_3032_TCP) ||
2222                                 (checksum & IB_IP_IOCB_RSP_3032_UDP &&
2223                                 !(checksum & IB_IP_IOCB_RSP_3032_NUC))) {
2224                         skb2->ip_summed = CHECKSUM_UNNECESSARY;
2225                 }
2226         }
2227         skb2->protocol = eth_type_trans(skb2, qdev->ndev);
2228
2229         netif_receive_skb(skb2);
2230         qdev->stats.rx_packets++;
2231         qdev->stats.rx_bytes += length;
2232         ndev->last_rx = jiffies;
2233         lrg_buf_cb2->skb = NULL;
2234
2235         if (qdev->device_id == QL3022_DEVICE_ID)
2236                 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb1);
2237         ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb2);
2238 }
2239
2240 static int ql_tx_rx_clean(struct ql3_adapter *qdev,
2241                           int *tx_cleaned, int *rx_cleaned, int work_to_do)
2242 {
2243         struct net_rsp_iocb *net_rsp;
2244         struct net_device *ndev = qdev->ndev;
2245         int work_done = 0;
2246
2247         /* While there are entries in the completion queue. */
2248         while ((le32_to_cpu(*(qdev->prsp_producer_index)) !=
2249                 qdev->rsp_consumer_index) && (work_done < work_to_do)) {
2250
2251                 net_rsp = qdev->rsp_current;
2252                 switch (net_rsp->opcode) {
2253
2254                 case OPCODE_OB_MAC_IOCB_FN0:
2255                 case OPCODE_OB_MAC_IOCB_FN2:
2256                         ql_process_mac_tx_intr(qdev, (struct ob_mac_iocb_rsp *)
2257                                                net_rsp);
2258                         (*tx_cleaned)++;
2259                         break;
2260
2261                 case OPCODE_IB_MAC_IOCB:
2262                 case OPCODE_IB_3032_MAC_IOCB:
2263                         ql_process_mac_rx_intr(qdev, (struct ib_mac_iocb_rsp *)
2264                                                net_rsp);
2265                         (*rx_cleaned)++;
2266                         break;
2267
2268                 case OPCODE_IB_IP_IOCB:
2269                 case OPCODE_IB_3032_IP_IOCB:
2270                         ql_process_macip_rx_intr(qdev, (struct ib_ip_iocb_rsp *)
2271                                                  net_rsp);
2272                         (*rx_cleaned)++;
2273                         break;
2274                 default:
2275                         {
2276                                 u32 *tmp = (u32 *) net_rsp;
2277                                 printk(KERN_ERR PFX
2278                                        "%s: Hit default case, not "
2279                                        "handled!\n"
2280                                        "        dropping the packet, opcode = "
2281                                        "%x.\n",
2282                                        ndev->name, net_rsp->opcode);
2283                                 printk(KERN_ERR PFX
2284                                        "0x%08lx 0x%08lx 0x%08lx 0x%08lx \n",
2285                                        (unsigned long int)tmp[0],
2286                                        (unsigned long int)tmp[1],
2287                                        (unsigned long int)tmp[2],
2288                                        (unsigned long int)tmp[3]);
2289                         }
2290                 }
2291
2292                 qdev->rsp_consumer_index++;
2293
2294                 if (qdev->rsp_consumer_index == NUM_RSP_Q_ENTRIES) {
2295                         qdev->rsp_consumer_index = 0;
2296                         qdev->rsp_current = qdev->rsp_q_virt_addr;
2297                 } else {
2298                         qdev->rsp_current++;
2299                 }
2300
2301                 work_done = *tx_cleaned + *rx_cleaned;
2302         }
2303
2304         return work_done;
2305 }
2306
2307 static int ql_poll(struct net_device *ndev, int *budget)
2308 {
2309         struct ql3_adapter *qdev = netdev_priv(ndev);
2310         int work_to_do = min(*budget, ndev->quota);
2311         int rx_cleaned = 0, tx_cleaned = 0;
2312         unsigned long hw_flags;
2313         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2314
2315         if (!netif_carrier_ok(ndev))
2316                 goto quit_polling;
2317
2318         ql_tx_rx_clean(qdev, &tx_cleaned, &rx_cleaned, work_to_do);
2319         *budget -= rx_cleaned;
2320         ndev->quota -= rx_cleaned;
2321
2322         if( tx_cleaned + rx_cleaned != work_to_do ||
2323             !netif_running(ndev)) {
2324 quit_polling:
2325                 netif_rx_complete(ndev);
2326
2327                 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
2328                 ql_update_small_bufq_prod_index(qdev);
2329                 ql_update_lrg_bufq_prod_index(qdev);
2330                 writel(qdev->rsp_consumer_index,
2331                             &port_regs->CommonRegs.rspQConsumerIndex);
2332                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
2333
2334                 ql_enable_interrupts(qdev);
2335                 return 0;
2336         }
2337         return 1;
2338 }
2339
2340 static irqreturn_t ql3xxx_isr(int irq, void *dev_id)
2341 {
2342
2343         struct net_device *ndev = dev_id;
2344         struct ql3_adapter *qdev = netdev_priv(ndev);
2345         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2346         u32 value;
2347         int handled = 1;
2348         u32 var;
2349
2350         port_regs = qdev->mem_map_registers;
2351
2352         value =
2353             ql_read_common_reg_l(qdev, &port_regs->CommonRegs.ispControlStatus);
2354
2355         if (value & (ISP_CONTROL_FE | ISP_CONTROL_RI)) {
2356                 spin_lock(&qdev->adapter_lock);
2357                 netif_stop_queue(qdev->ndev);
2358                 netif_carrier_off(qdev->ndev);
2359                 ql_disable_interrupts(qdev);
2360                 qdev->port_link_state = LS_DOWN;
2361                 set_bit(QL_RESET_ACTIVE,&qdev->flags) ;
2362
2363                 if (value & ISP_CONTROL_FE) {
2364                         /*
2365                          * Chip Fatal Error.
2366                          */
2367                         var =
2368                             ql_read_page0_reg_l(qdev,
2369                                               &port_regs->PortFatalErrStatus);
2370                         printk(KERN_WARNING PFX
2371                                "%s: Resetting chip. PortFatalErrStatus "
2372                                "register = 0x%x\n", ndev->name, var);
2373                         set_bit(QL_RESET_START,&qdev->flags) ;
2374                 } else {
2375                         /*
2376                          * Soft Reset Requested.
2377                          */
2378                         set_bit(QL_RESET_PER_SCSI,&qdev->flags) ;
2379                         printk(KERN_ERR PFX
2380                                "%s: Another function issued a reset to the "
2381                                "chip. ISR value = %x.\n", ndev->name, value);
2382                 }
2383                 queue_delayed_work(qdev->workqueue, &qdev->reset_work, 0);
2384                 spin_unlock(&qdev->adapter_lock);
2385         } else if (value & ISP_IMR_DISABLE_CMPL_INT) {
2386                 ql_disable_interrupts(qdev);
2387                 if (likely(netif_rx_schedule_prep(ndev))) {
2388                         __netif_rx_schedule(ndev);
2389                 }
2390         } else {
2391                 return IRQ_NONE;
2392         }
2393
2394         return IRQ_RETVAL(handled);
2395 }
2396
2397 /*
2398  * Get the total number of segments needed for the
2399  * given number of fragments.  This is necessary because
2400  * outbound address lists (OAL) will be used when more than
2401  * two frags are given.  Each address list has 5 addr/len
2402  * pairs.  The 5th pair in each AOL is used to  point to
2403  * the next AOL if more frags are coming.
2404  * That is why the frags:segment count  ratio is not linear.
2405  */
2406 static int ql_get_seg_count(struct ql3_adapter *qdev,
2407                             unsigned short frags)
2408 {
2409         if (qdev->device_id == QL3022_DEVICE_ID)
2410                 return 1;
2411
2412         switch(frags) {
2413         case 0: return 1;       /* just the skb->data seg */
2414         case 1: return 2;       /* skb->data + 1 frag */
2415         case 2: return 3;       /* skb->data + 2 frags */
2416         case 3: return 5;       /* skb->data + 1 frag + 1 AOL containting 2 frags */
2417         case 4: return 6;
2418         case 5: return 7;
2419         case 6: return 8;
2420         case 7: return 10;
2421         case 8: return 11;
2422         case 9: return 12;
2423         case 10: return 13;
2424         case 11: return 15;
2425         case 12: return 16;
2426         case 13: return 17;
2427         case 14: return 18;
2428         case 15: return 20;
2429         case 16: return 21;
2430         case 17: return 22;
2431         case 18: return 23;
2432         }
2433         return -1;
2434 }
2435
2436 static void ql_hw_csum_setup(const struct sk_buff *skb,
2437                              struct ob_mac_iocb_req *mac_iocb_ptr)
2438 {
2439         const struct iphdr *ip = ip_hdr(skb);
2440
2441         mac_iocb_ptr->ip_hdr_off = skb_network_offset(skb);
2442         mac_iocb_ptr->ip_hdr_len = ip->ihl;
2443
2444         if (ip->protocol == IPPROTO_TCP) {
2445                 mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_TC |
2446                         OB_3032MAC_IOCB_REQ_IC;
2447         } else {
2448                 mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_UC |
2449                         OB_3032MAC_IOCB_REQ_IC;
2450         }
2451
2452 }
2453
2454 /*
2455  * Map the buffers for this transmit.  This will return
2456  * NETDEV_TX_BUSY or NETDEV_TX_OK based on success.
2457  */
2458 static int ql_send_map(struct ql3_adapter *qdev,
2459                                 struct ob_mac_iocb_req *mac_iocb_ptr,
2460                                 struct ql_tx_buf_cb *tx_cb,
2461                                 struct sk_buff *skb)
2462 {
2463         struct oal *oal;
2464         struct oal_entry *oal_entry;
2465         int len = skb_headlen(skb);
2466         dma_addr_t map;
2467         int err;
2468         int completed_segs, i;
2469         int seg_cnt, seg = 0;
2470         int frag_cnt = (int)skb_shinfo(skb)->nr_frags;
2471
2472         seg_cnt = tx_cb->seg_count;
2473         /*
2474          * Map the skb buffer first.
2475          */
2476         map = pci_map_single(qdev->pdev, skb->data, len, PCI_DMA_TODEVICE);
2477
2478         err = pci_dma_mapping_error(map);
2479         if(err) {
2480                 printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
2481                        qdev->ndev->name, err);
2482
2483                 return NETDEV_TX_BUSY;
2484         }
2485
2486         oal_entry = (struct oal_entry *)&mac_iocb_ptr->buf_addr0_low;
2487         oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2488         oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2489         oal_entry->len = cpu_to_le32(len);
2490         pci_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
2491         pci_unmap_len_set(&tx_cb->map[seg], maplen, len);
2492         seg++;
2493
2494         if (seg_cnt == 1) {
2495                 /* Terminate the last segment. */
2496                 oal_entry->len =
2497                     cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY);
2498         } else {
2499                 oal = tx_cb->oal;
2500                 for (completed_segs=0; completed_segs<frag_cnt; completed_segs++,seg++) {
2501                         skb_frag_t *frag = &skb_shinfo(skb)->frags[completed_segs];
2502                         oal_entry++;
2503                         if ((seg == 2 && seg_cnt > 3) ||        /* Check for continuation */
2504                             (seg == 7 && seg_cnt > 8) ||        /* requirements. It's strange */
2505                             (seg == 12 && seg_cnt > 13) ||      /* but necessary. */
2506                             (seg == 17 && seg_cnt > 18)) {
2507                                 /* Continuation entry points to outbound address list. */
2508                                 map = pci_map_single(qdev->pdev, oal,
2509                                                      sizeof(struct oal),
2510                                                      PCI_DMA_TODEVICE);
2511
2512                                 err = pci_dma_mapping_error(map);
2513                                 if(err) {
2514
2515                                         printk(KERN_ERR "%s: PCI mapping outbound address list with error: %d\n",
2516                                                qdev->ndev->name, err);
2517                                         goto map_error;
2518                                 }
2519
2520                                 oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2521                                 oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2522                                 oal_entry->len =
2523                                     cpu_to_le32(sizeof(struct oal) |
2524                                                 OAL_CONT_ENTRY);
2525                                 pci_unmap_addr_set(&tx_cb->map[seg], mapaddr,
2526                                                    map);
2527                                 pci_unmap_len_set(&tx_cb->map[seg], maplen,
2528                                                   sizeof(struct oal));
2529                                 oal_entry = (struct oal_entry *)oal;
2530                                 oal++;
2531                                 seg++;
2532                         }
2533
2534                         map =
2535                             pci_map_page(qdev->pdev, frag->page,
2536                                          frag->page_offset, frag->size,
2537                                          PCI_DMA_TODEVICE);
2538
2539                         err = pci_dma_mapping_error(map);
2540                         if(err) {
2541                                 printk(KERN_ERR "%s: PCI mapping frags failed with error: %d\n",
2542                                        qdev->ndev->name, err);
2543                                 goto map_error;
2544                         }
2545
2546                         oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2547                         oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2548                         oal_entry->len = cpu_to_le32(frag->size);
2549                         pci_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
2550                         pci_unmap_len_set(&tx_cb->map[seg], maplen,
2551                                           frag->size);
2552                 }
2553                 /* Terminate the last segment. */
2554                 oal_entry->len =
2555                     cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY);
2556         }
2557
2558         return NETDEV_TX_OK;
2559
2560 map_error:
2561         /* A PCI mapping failed and now we will need to back out
2562          * We need to traverse through the oal's and associated pages which
2563          * have been mapped and now we must unmap them to clean up properly
2564          */
2565
2566         seg = 1;
2567         oal_entry = (struct oal_entry *)&mac_iocb_ptr->buf_addr0_low;
2568         oal = tx_cb->oal;
2569         for (i=0; i<completed_segs; i++,seg++) {
2570                 oal_entry++;
2571
2572                 if((seg == 2 && seg_cnt > 3) ||        /* Check for continuation */
2573                    (seg == 7 && seg_cnt > 8) ||        /* requirements. It's strange */
2574                    (seg == 12 && seg_cnt > 13) ||      /* but necessary. */
2575                    (seg == 17 && seg_cnt > 18)) {
2576                         pci_unmap_single(qdev->pdev,
2577                                 pci_unmap_addr(&tx_cb->map[seg], mapaddr),
2578                                 pci_unmap_len(&tx_cb->map[seg], maplen),
2579                                  PCI_DMA_TODEVICE);
2580                         oal++;
2581                         seg++;
2582                 }
2583
2584                 pci_unmap_page(qdev->pdev,
2585                                pci_unmap_addr(&tx_cb->map[seg], mapaddr),
2586                                pci_unmap_len(&tx_cb->map[seg], maplen),
2587                                PCI_DMA_TODEVICE);
2588         }
2589
2590         pci_unmap_single(qdev->pdev,
2591                          pci_unmap_addr(&tx_cb->map[0], mapaddr),
2592                          pci_unmap_addr(&tx_cb->map[0], maplen),
2593                          PCI_DMA_TODEVICE);
2594
2595         return NETDEV_TX_BUSY;
2596
2597 }
2598
2599 /*
2600  * The difference between 3022 and 3032 sends:
2601  * 3022 only supports a simple single segment transmission.
2602  * 3032 supports checksumming and scatter/gather lists (fragments).
2603  * The 3032 supports sglists by using the 3 addr/len pairs (ALP)
2604  * in the IOCB plus a chain of outbound address lists (OAL) that
2605  * each contain 5 ALPs.  The last ALP of the IOCB (3rd) or OAL (5th)
2606  * will used to point to an OAL when more ALP entries are required.
2607  * The IOCB is always the top of the chain followed by one or more
2608  * OALs (when necessary).
2609  */
2610 static int ql3xxx_send(struct sk_buff *skb, struct net_device *ndev)
2611 {
2612         struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
2613         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2614         struct ql_tx_buf_cb *tx_cb;
2615         u32 tot_len = skb->len;
2616         struct ob_mac_iocb_req *mac_iocb_ptr;
2617
2618         if (unlikely(atomic_read(&qdev->tx_count) < 2)) {
2619                 return NETDEV_TX_BUSY;
2620         }
2621
2622         tx_cb = &qdev->tx_buf[qdev->req_producer_index] ;
2623         if((tx_cb->seg_count = ql_get_seg_count(qdev,
2624                                                 (skb_shinfo(skb)->nr_frags))) == -1) {
2625                 printk(KERN_ERR PFX"%s: invalid segment count!\n",__func__);
2626                 return NETDEV_TX_OK;
2627         }
2628
2629         mac_iocb_ptr = tx_cb->queue_entry;
2630         memset((void *)mac_iocb_ptr, 0, sizeof(struct ob_mac_iocb_req));
2631         mac_iocb_ptr->opcode = qdev->mac_ob_opcode;
2632         mac_iocb_ptr->flags = OB_MAC_IOCB_REQ_X;
2633         mac_iocb_ptr->flags |= qdev->mb_bit_mask;
2634         mac_iocb_ptr->transaction_id = qdev->req_producer_index;
2635         mac_iocb_ptr->data_len = cpu_to_le16((u16) tot_len);
2636         tx_cb->skb = skb;
2637         if (qdev->device_id == QL3032_DEVICE_ID &&
2638             skb->ip_summed == CHECKSUM_PARTIAL)
2639                 ql_hw_csum_setup(skb, mac_iocb_ptr);
2640
2641         if(ql_send_map(qdev,mac_iocb_ptr,tx_cb,skb) != NETDEV_TX_OK) {
2642                 printk(KERN_ERR PFX"%s: Could not map the segments!\n",__func__);
2643                 return NETDEV_TX_BUSY;
2644         }
2645
2646         wmb();
2647         qdev->req_producer_index++;
2648         if (qdev->req_producer_index == NUM_REQ_Q_ENTRIES)
2649                 qdev->req_producer_index = 0;
2650         wmb();
2651         ql_write_common_reg_l(qdev,
2652                             &port_regs->CommonRegs.reqQProducerIndex,
2653                             qdev->req_producer_index);
2654
2655         ndev->trans_start = jiffies;
2656         if (netif_msg_tx_queued(qdev))
2657                 printk(KERN_DEBUG PFX "%s: tx queued, slot %d, len %d\n",
2658                        ndev->name, qdev->req_producer_index, skb->len);
2659
2660         atomic_dec(&qdev->tx_count);
2661         return NETDEV_TX_OK;
2662 }
2663
2664 static int ql_alloc_net_req_rsp_queues(struct ql3_adapter *qdev)
2665 {
2666         qdev->req_q_size =
2667             (u32) (NUM_REQ_Q_ENTRIES * sizeof(struct ob_mac_iocb_req));
2668
2669         qdev->req_q_virt_addr =
2670             pci_alloc_consistent(qdev->pdev,
2671                                  (size_t) qdev->req_q_size,
2672                                  &qdev->req_q_phy_addr);
2673
2674         if ((qdev->req_q_virt_addr == NULL) ||
2675             LS_64BITS(qdev->req_q_phy_addr) & (qdev->req_q_size - 1)) {
2676                 printk(KERN_ERR PFX "%s: reqQ failed.\n",
2677                        qdev->ndev->name);
2678                 return -ENOMEM;
2679         }
2680
2681         qdev->rsp_q_size = NUM_RSP_Q_ENTRIES * sizeof(struct net_rsp_iocb);
2682
2683         qdev->rsp_q_virt_addr =
2684             pci_alloc_consistent(qdev->pdev,
2685                                  (size_t) qdev->rsp_q_size,
2686                                  &qdev->rsp_q_phy_addr);
2687
2688         if ((qdev->rsp_q_virt_addr == NULL) ||
2689             LS_64BITS(qdev->rsp_q_phy_addr) & (qdev->rsp_q_size - 1)) {
2690                 printk(KERN_ERR PFX
2691                        "%s: rspQ allocation failed\n",
2692                        qdev->ndev->name);
2693                 pci_free_consistent(qdev->pdev, (size_t) qdev->req_q_size,
2694                                     qdev->req_q_virt_addr,
2695                                     qdev->req_q_phy_addr);
2696                 return -ENOMEM;
2697         }
2698
2699         set_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags);
2700
2701         return 0;
2702 }
2703
2704 static void ql_free_net_req_rsp_queues(struct ql3_adapter *qdev)
2705 {
2706         if (!test_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags)) {
2707                 printk(KERN_INFO PFX
2708                        "%s: Already done.\n", qdev->ndev->name);
2709                 return;
2710         }
2711
2712         pci_free_consistent(qdev->pdev,
2713                             qdev->req_q_size,
2714                             qdev->req_q_virt_addr, qdev->req_q_phy_addr);
2715
2716         qdev->req_q_virt_addr = NULL;
2717
2718         pci_free_consistent(qdev->pdev,
2719                             qdev->rsp_q_size,
2720                             qdev->rsp_q_virt_addr, qdev->rsp_q_phy_addr);
2721
2722         qdev->rsp_q_virt_addr = NULL;
2723
2724         clear_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags);
2725 }
2726
2727 static int ql_alloc_buffer_queues(struct ql3_adapter *qdev)
2728 {
2729         /* Create Large Buffer Queue */
2730         qdev->lrg_buf_q_size =
2731             qdev->num_lbufq_entries * sizeof(struct lrg_buf_q_entry);
2732         if (qdev->lrg_buf_q_size < PAGE_SIZE)
2733                 qdev->lrg_buf_q_alloc_size = PAGE_SIZE;
2734         else
2735                 qdev->lrg_buf_q_alloc_size = qdev->lrg_buf_q_size * 2;
2736
2737         qdev->lrg_buf = kmalloc(qdev->num_large_buffers * sizeof(struct ql_rcv_buf_cb),GFP_KERNEL);
2738         if (qdev->lrg_buf == NULL) {
2739                 printk(KERN_ERR PFX
2740                        "%s: qdev->lrg_buf alloc failed.\n", qdev->ndev->name);
2741                 return -ENOMEM;
2742         }
2743
2744         qdev->lrg_buf_q_alloc_virt_addr =
2745             pci_alloc_consistent(qdev->pdev,
2746                                  qdev->lrg_buf_q_alloc_size,
2747                                  &qdev->lrg_buf_q_alloc_phy_addr);
2748
2749         if (qdev->lrg_buf_q_alloc_virt_addr == NULL) {
2750                 printk(KERN_ERR PFX
2751                        "%s: lBufQ failed\n", qdev->ndev->name);
2752                 return -ENOMEM;
2753         }
2754         qdev->lrg_buf_q_virt_addr = qdev->lrg_buf_q_alloc_virt_addr;
2755         qdev->lrg_buf_q_phy_addr = qdev->lrg_buf_q_alloc_phy_addr;
2756
2757         /* Create Small Buffer Queue */
2758         qdev->small_buf_q_size =
2759             NUM_SBUFQ_ENTRIES * sizeof(struct lrg_buf_q_entry);
2760         if (qdev->small_buf_q_size < PAGE_SIZE)
2761                 qdev->small_buf_q_alloc_size = PAGE_SIZE;
2762         else
2763                 qdev->small_buf_q_alloc_size = qdev->small_buf_q_size * 2;
2764
2765         qdev->small_buf_q_alloc_virt_addr =
2766             pci_alloc_consistent(qdev->pdev,
2767                                  qdev->small_buf_q_alloc_size,
2768                                  &qdev->small_buf_q_alloc_phy_addr);
2769
2770         if (qdev->small_buf_q_alloc_virt_addr == NULL) {
2771                 printk(KERN_ERR PFX
2772                        "%s: Small Buffer Queue allocation failed.\n",
2773                        qdev->ndev->name);
2774                 pci_free_consistent(qdev->pdev, qdev->lrg_buf_q_alloc_size,
2775                                     qdev->lrg_buf_q_alloc_virt_addr,
2776                                     qdev->lrg_buf_q_alloc_phy_addr);
2777                 return -ENOMEM;
2778         }
2779
2780         qdev->small_buf_q_virt_addr = qdev->small_buf_q_alloc_virt_addr;
2781         qdev->small_buf_q_phy_addr = qdev->small_buf_q_alloc_phy_addr;
2782         set_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags);
2783         return 0;
2784 }
2785
2786 static void ql_free_buffer_queues(struct ql3_adapter *qdev)
2787 {
2788         if (!test_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags)) {
2789                 printk(KERN_INFO PFX
2790                        "%s: Already done.\n", qdev->ndev->name);
2791                 return;
2792         }
2793         if(qdev->lrg_buf) kfree(qdev->lrg_buf);
2794         pci_free_consistent(qdev->pdev,
2795                             qdev->lrg_buf_q_alloc_size,
2796                             qdev->lrg_buf_q_alloc_virt_addr,
2797                             qdev->lrg_buf_q_alloc_phy_addr);
2798
2799         qdev->lrg_buf_q_virt_addr = NULL;
2800
2801         pci_free_consistent(qdev->pdev,
2802                             qdev->small_buf_q_alloc_size,
2803                             qdev->small_buf_q_alloc_virt_addr,
2804                             qdev->small_buf_q_alloc_phy_addr);
2805
2806         qdev->small_buf_q_virt_addr = NULL;
2807
2808         clear_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags);
2809 }
2810
2811 static int ql_alloc_small_buffers(struct ql3_adapter *qdev)
2812 {
2813         int i;
2814         struct bufq_addr_element *small_buf_q_entry;
2815
2816         /* Currently we allocate on one of memory and use it for smallbuffers */
2817         qdev->small_buf_total_size =
2818             (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES *
2819              QL_SMALL_BUFFER_SIZE);
2820
2821         qdev->small_buf_virt_addr =
2822             pci_alloc_consistent(qdev->pdev,
2823                                  qdev->small_buf_total_size,
2824                                  &qdev->small_buf_phy_addr);
2825
2826         if (qdev->small_buf_virt_addr == NULL) {
2827                 printk(KERN_ERR PFX
2828                        "%s: Failed to get small buffer memory.\n",
2829                        qdev->ndev->name);
2830                 return -ENOMEM;
2831         }
2832
2833         qdev->small_buf_phy_addr_low = LS_64BITS(qdev->small_buf_phy_addr);
2834         qdev->small_buf_phy_addr_high = MS_64BITS(qdev->small_buf_phy_addr);
2835
2836         small_buf_q_entry = qdev->small_buf_q_virt_addr;
2837
2838         /* Initialize the small buffer queue. */
2839         for (i = 0; i < (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES); i++) {
2840                 small_buf_q_entry->addr_high =
2841                     cpu_to_le32(qdev->small_buf_phy_addr_high);
2842                 small_buf_q_entry->addr_low =
2843                     cpu_to_le32(qdev->small_buf_phy_addr_low +
2844                                 (i * QL_SMALL_BUFFER_SIZE));
2845                 small_buf_q_entry++;
2846         }
2847         qdev->small_buf_index = 0;
2848         set_bit(QL_ALLOC_SMALL_BUF_DONE,&qdev->flags);
2849         return 0;
2850 }
2851
2852 static void ql_free_small_buffers(struct ql3_adapter *qdev)
2853 {
2854         if (!test_bit(QL_ALLOC_SMALL_BUF_DONE,&qdev->flags)) {
2855                 printk(KERN_INFO PFX
2856                        "%s: Already done.\n", qdev->ndev->name);
2857                 return;
2858         }
2859         if (qdev->small_buf_virt_addr != NULL) {
2860                 pci_free_consistent(qdev->pdev,
2861                                     qdev->small_buf_total_size,
2862                                     qdev->small_buf_virt_addr,
2863                                     qdev->small_buf_phy_addr);
2864
2865                 qdev->small_buf_virt_addr = NULL;
2866         }
2867 }
2868
2869 static void ql_free_large_buffers(struct ql3_adapter *qdev)
2870 {
2871         int i = 0;
2872         struct ql_rcv_buf_cb *lrg_buf_cb;
2873
2874         for (i = 0; i < qdev->num_large_buffers; i++) {
2875                 lrg_buf_cb = &qdev->lrg_buf[i];
2876                 if (lrg_buf_cb->skb) {
2877                         dev_kfree_skb(lrg_buf_cb->skb);
2878                         pci_unmap_single(qdev->pdev,
2879                                          pci_unmap_addr(lrg_buf_cb, mapaddr),
2880                                          pci_unmap_len(lrg_buf_cb, maplen),
2881                                          PCI_DMA_FROMDEVICE);
2882                         memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb));
2883                 } else {
2884                         break;
2885                 }
2886         }
2887 }
2888
2889 static void ql_init_large_buffers(struct ql3_adapter *qdev)
2890 {
2891         int i;
2892         struct ql_rcv_buf_cb *lrg_buf_cb;
2893         struct bufq_addr_element *buf_addr_ele = qdev->lrg_buf_q_virt_addr;
2894
2895         for (i = 0; i < qdev->num_large_buffers; i++) {
2896                 lrg_buf_cb = &qdev->lrg_buf[i];
2897                 buf_addr_ele->addr_high = lrg_buf_cb->buf_phy_addr_high;
2898                 buf_addr_ele->addr_low = lrg_buf_cb->buf_phy_addr_low;
2899                 buf_addr_ele++;
2900         }
2901         qdev->lrg_buf_index = 0;
2902         qdev->lrg_buf_skb_check = 0;
2903 }
2904
2905 static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
2906 {
2907         int i;
2908         struct ql_rcv_buf_cb *lrg_buf_cb;
2909         struct sk_buff *skb;
2910         dma_addr_t map;
2911         int err;
2912
2913         for (i = 0; i < qdev->num_large_buffers; i++) {
2914                 skb = netdev_alloc_skb(qdev->ndev,
2915                                        qdev->lrg_buffer_len);
2916                 if (unlikely(!skb)) {
2917                         /* Better luck next round */
2918                         printk(KERN_ERR PFX
2919                                "%s: large buff alloc failed, "
2920                                "for %d bytes at index %d.\n",
2921                                qdev->ndev->name,
2922                                qdev->lrg_buffer_len * 2, i);
2923                         ql_free_large_buffers(qdev);
2924                         return -ENOMEM;
2925                 } else {
2926
2927                         lrg_buf_cb = &qdev->lrg_buf[i];
2928                         memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb));
2929                         lrg_buf_cb->index = i;
2930                         lrg_buf_cb->skb = skb;
2931                         /*
2932                          * We save some space to copy the ethhdr from first
2933                          * buffer
2934                          */
2935                         skb_reserve(skb, QL_HEADER_SPACE);
2936                         map = pci_map_single(qdev->pdev,
2937                                              skb->data,
2938                                              qdev->lrg_buffer_len -
2939                                              QL_HEADER_SPACE,
2940                                              PCI_DMA_FROMDEVICE);
2941
2942                         err = pci_dma_mapping_error(map);
2943                         if(err) {
2944                                 printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
2945                                        qdev->ndev->name, err);
2946                                 ql_free_large_buffers(qdev);
2947                                 return -ENOMEM;
2948                         }
2949
2950                         pci_unmap_addr_set(lrg_buf_cb, mapaddr, map);
2951                         pci_unmap_len_set(lrg_buf_cb, maplen,
2952                                           qdev->lrg_buffer_len -
2953                                           QL_HEADER_SPACE);
2954                         lrg_buf_cb->buf_phy_addr_low =
2955                             cpu_to_le32(LS_64BITS(map));
2956                         lrg_buf_cb->buf_phy_addr_high =
2957                             cpu_to_le32(MS_64BITS(map));
2958                 }
2959         }
2960         return 0;
2961 }
2962
2963 static void ql_free_send_free_list(struct ql3_adapter *qdev)
2964 {
2965         struct ql_tx_buf_cb *tx_cb;
2966         int i;
2967
2968         tx_cb = &qdev->tx_buf[0];
2969         for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
2970                 if (tx_cb->oal) {
2971                         kfree(tx_cb->oal);
2972                         tx_cb->oal = NULL;
2973                 }
2974                 tx_cb++;
2975         }
2976 }
2977
2978 static int ql_create_send_free_list(struct ql3_adapter *qdev)
2979 {
2980         struct ql_tx_buf_cb *tx_cb;
2981         int i;
2982         struct ob_mac_iocb_req *req_q_curr =
2983                                         qdev->req_q_virt_addr;
2984
2985         /* Create free list of transmit buffers */
2986         for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
2987
2988                 tx_cb = &qdev->tx_buf[i];
2989                 tx_cb->skb = NULL;
2990                 tx_cb->queue_entry = req_q_curr;
2991                 req_q_curr++;
2992                 tx_cb->oal = kmalloc(512, GFP_KERNEL);
2993                 if (tx_cb->oal == NULL)
2994                         return -1;
2995         }
2996         return 0;
2997 }
2998
2999 static int ql_alloc_mem_resources(struct ql3_adapter *qdev)
3000 {
3001         if (qdev->ndev->mtu == NORMAL_MTU_SIZE) {
3002                 qdev->num_lbufq_entries = NUM_LBUFQ_ENTRIES;
3003                 qdev->lrg_buffer_len = NORMAL_MTU_SIZE;
3004         }
3005         else if (qdev->ndev->mtu == JUMBO_MTU_SIZE) {
3006                 /*
3007                  * Bigger buffers, so less of them.
3008                  */
3009                 qdev->num_lbufq_entries = JUMBO_NUM_LBUFQ_ENTRIES;
3010                 qdev->lrg_buffer_len = JUMBO_MTU_SIZE;
3011         } else {
3012                 printk(KERN_ERR PFX
3013                        "%s: Invalid mtu size.  Only 1500 and 9000 are accepted.\n",
3014                        qdev->ndev->name);
3015                 return -ENOMEM;
3016         }
3017         qdev->num_large_buffers = qdev->num_lbufq_entries * QL_ADDR_ELE_PER_BUFQ_ENTRY;
3018         qdev->lrg_buffer_len += VLAN_ETH_HLEN + VLAN_ID_LEN + QL_HEADER_SPACE;
3019         qdev->max_frame_size =
3020             (qdev->lrg_buffer_len - QL_HEADER_SPACE) + ETHERNET_CRC_SIZE;
3021
3022         /*
3023          * First allocate a page of shared memory and use it for shadow
3024          * locations of Network Request Queue Consumer Address Register and
3025          * Network Completion Queue Producer Index Register
3026          */
3027         qdev->shadow_reg_virt_addr =
3028             pci_alloc_consistent(qdev->pdev,
3029                                  PAGE_SIZE, &qdev->shadow_reg_phy_addr);
3030
3031         if (qdev->shadow_reg_virt_addr != NULL) {
3032                 qdev->preq_consumer_index = (u16 *) qdev->shadow_reg_virt_addr;
3033                 qdev->req_consumer_index_phy_addr_high =
3034                     MS_64BITS(qdev->shadow_reg_phy_addr);
3035                 qdev->req_consumer_index_phy_addr_low =
3036                     LS_64BITS(qdev->shadow_reg_phy_addr);
3037
3038                 qdev->prsp_producer_index =
3039                     (u32 *) (((u8 *) qdev->preq_consumer_index) + 8);
3040                 qdev->rsp_producer_index_phy_addr_high =
3041                     qdev->req_consumer_index_phy_addr_high;
3042                 qdev->rsp_producer_index_phy_addr_low =
3043                     qdev->req_consumer_index_phy_addr_low + 8;
3044         } else {
3045                 printk(KERN_ERR PFX
3046                        "%s: shadowReg Alloc failed.\n", qdev->ndev->name);
3047                 return -ENOMEM;
3048         }
3049
3050         if (ql_alloc_net_req_rsp_queues(qdev) != 0) {
3051                 printk(KERN_ERR PFX
3052                        "%s: ql_alloc_net_req_rsp_queues failed.\n",
3053                        qdev->ndev->name);
3054                 goto err_req_rsp;
3055         }
3056
3057         if (ql_alloc_buffer_queues(qdev) != 0) {
3058                 printk(KERN_ERR PFX
3059                        "%s: ql_alloc_buffer_queues failed.\n",
3060                        qdev->ndev->name);
3061                 goto err_buffer_queues;
3062         }
3063
3064         if (ql_alloc_small_buffers(qdev) != 0) {
3065                 printk(KERN_ERR PFX
3066                        "%s: ql_alloc_small_buffers failed\n", qdev->ndev->name);
3067                 goto err_small_buffers;
3068         }
3069
3070         if (ql_alloc_large_buffers(qdev) != 0) {
3071                 printk(KERN_ERR PFX
3072                        "%s: ql_alloc_large_buffers failed\n", qdev->ndev->name);
3073                 goto err_small_buffers;
3074         }
3075
3076         /* Initialize the large buffer queue. */
3077         ql_init_large_buffers(qdev);
3078         if (ql_create_send_free_list(qdev))
3079                 goto err_free_list;
3080
3081         qdev->rsp_current = qdev->rsp_q_virt_addr;
3082
3083         return 0;
3084 err_free_list:
3085         ql_free_send_free_list(qdev);
3086 err_small_buffers:
3087         ql_free_buffer_queues(qdev);
3088 err_buffer_queues:
3089         ql_free_net_req_rsp_queues(qdev);
3090 err_req_rsp:
3091         pci_free_consistent(qdev->pdev,
3092                             PAGE_SIZE,
3093                             qdev->shadow_reg_virt_addr,
3094                             qdev->shadow_reg_phy_addr);
3095
3096         return -ENOMEM;
3097 }
3098
3099 static void ql_free_mem_resources(struct ql3_adapter *qdev)
3100 {
3101         ql_free_send_free_list(qdev);
3102         ql_free_large_buffers(qdev);
3103         ql_free_small_buffers(qdev);
3104         ql_free_buffer_queues(qdev);
3105         ql_free_net_req_rsp_queues(qdev);
3106         if (qdev->shadow_reg_virt_addr != NULL) {
3107                 pci_free_consistent(qdev->pdev,
3108                                     PAGE_SIZE,
3109                                     qdev->shadow_reg_virt_addr,
3110                                     qdev->shadow_reg_phy_addr);
3111                 qdev->shadow_reg_virt_addr = NULL;
3112         }
3113 }
3114
3115 static int ql_init_misc_registers(struct ql3_adapter *qdev)
3116 {
3117         struct ql3xxx_local_ram_registers __iomem *local_ram =
3118             (void __iomem *)qdev->mem_map_registers;
3119
3120         if(ql_sem_spinlock(qdev, QL_DDR_RAM_SEM_MASK,
3121                         (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
3122                          2) << 4))
3123                 return -1;
3124
3125         ql_write_page2_reg(qdev,
3126                            &local_ram->bufletSize, qdev->nvram_data.bufletSize);
3127
3128         ql_write_page2_reg(qdev,
3129                            &local_ram->maxBufletCount,
3130                            qdev->nvram_data.bufletCount);
3131
3132         ql_write_page2_reg(qdev,
3133                            &local_ram->freeBufletThresholdLow,
3134                            (qdev->nvram_data.tcpWindowThreshold25 << 16) |
3135                            (qdev->nvram_data.tcpWindowThreshold0));
3136
3137         ql_write_page2_reg(qdev,
3138                            &local_ram->freeBufletThresholdHigh,
3139                            qdev->nvram_data.tcpWindowThreshold50);
3140
3141         ql_write_page2_reg(qdev,
3142                            &local_ram->ipHashTableBase,
3143                            (qdev->nvram_data.ipHashTableBaseHi << 16) |
3144                            qdev->nvram_data.ipHashTableBaseLo);
3145         ql_write_page2_reg(qdev,
3146                            &local_ram->ipHashTableCount,
3147                            qdev->nvram_data.ipHashTableSize);
3148         ql_write_page2_reg(qdev,
3149                            &local_ram->tcpHashTableBase,
3150                            (qdev->nvram_data.tcpHashTableBaseHi << 16) |
3151                            qdev->nvram_data.tcpHashTableBaseLo);
3152         ql_write_page2_reg(qdev,
3153                            &local_ram->tcpHashTableCount,
3154                            qdev->nvram_data.tcpHashTableSize);
3155         ql_write_page2_reg(qdev,
3156                            &local_ram->ncbBase,
3157                            (qdev->nvram_data.ncbTableBaseHi << 16) |
3158                            qdev->nvram_data.ncbTableBaseLo);
3159         ql_write_page2_reg(qdev,
3160                            &local_ram->maxNcbCount,
3161                            qdev->nvram_data.ncbTableSize);
3162         ql_write_page2_reg(qdev,
3163                            &local_ram->drbBase,
3164                            (qdev->nvram_data.drbTableBaseHi << 16) |
3165                            qdev->nvram_data.drbTableBaseLo);
3166         ql_write_page2_reg(qdev,
3167                            &local_ram->maxDrbCount,
3168                            qdev->nvram_data.drbTableSize);
3169         ql_sem_unlock(qdev, QL_DDR_RAM_SEM_MASK);
3170         return 0;
3171 }
3172
3173 static int ql_adapter_initialize(struct ql3_adapter *qdev)
3174 {
3175         u32 value;
3176         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3177         struct ql3xxx_host_memory_registers __iomem *hmem_regs =
3178                                                 (void __iomem *)port_regs;
3179         u32 delay = 10;
3180         int status = 0;
3181
3182         if(ql_mii_setup(qdev))
3183                 return -1;
3184
3185         /* Bring out PHY out of reset */
3186         ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
3187                             (ISP_SERIAL_PORT_IF_WE |
3188                              (ISP_SERIAL_PORT_IF_WE << 16)));
3189
3190         qdev->port_link_state = LS_DOWN;
3191         netif_carrier_off(qdev->ndev);
3192
3193         /* V2 chip fix for ARS-39168. */
3194         ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
3195                             (ISP_SERIAL_PORT_IF_SDE |
3196                              (ISP_SERIAL_PORT_IF_SDE << 16)));
3197
3198         /* Request Queue Registers */
3199         *((u32 *) (qdev->preq_consumer_index)) = 0;
3200         atomic_set(&qdev->tx_count,NUM_REQ_Q_ENTRIES);
3201         qdev->req_producer_index = 0;
3202
3203         ql_write_page1_reg(qdev,
3204                            &hmem_regs->reqConsumerIndexAddrHigh,
3205                            qdev->req_consumer_index_phy_addr_high);
3206         ql_write_page1_reg(qdev,
3207                            &hmem_regs->reqConsumerIndexAddrLow,
3208                            qdev->req_consumer_index_phy_addr_low);
3209
3210         ql_write_page1_reg(qdev,
3211                            &hmem_regs->reqBaseAddrHigh,
3212                            MS_64BITS(qdev->req_q_phy_addr));
3213         ql_write_page1_reg(qdev,
3214                            &hmem_regs->reqBaseAddrLow,
3215                            LS_64BITS(qdev->req_q_phy_addr));
3216         ql_write_page1_reg(qdev, &hmem_regs->reqLength, NUM_REQ_Q_ENTRIES);
3217
3218         /* Response Queue Registers */
3219         *((u16 *) (qdev->prsp_producer_index)) = 0;
3220         qdev->rsp_consumer_index = 0;
3221         qdev->rsp_current = qdev->rsp_q_virt_addr;
3222
3223         ql_write_page1_reg(qdev,
3224                            &hmem_regs->rspProducerIndexAddrHigh,
3225                            qdev->rsp_producer_index_phy_addr_high);
3226
3227         ql_write_page1_reg(qdev,
3228                            &hmem_regs->rspProducerIndexAddrLow,
3229                            qdev->rsp_producer_index_phy_addr_low);
3230
3231         ql_write_page1_reg(qdev,
3232                            &hmem_regs->rspBaseAddrHigh,
3233                            MS_64BITS(qdev->rsp_q_phy_addr));
3234
3235         ql_write_page1_reg(qdev,
3236                            &hmem_regs->rspBaseAddrLow,
3237                            LS_64BITS(qdev->rsp_q_phy_addr));
3238
3239         ql_write_page1_reg(qdev, &hmem_regs->rspLength, NUM_RSP_Q_ENTRIES);
3240
3241         /* Large Buffer Queue */
3242         ql_write_page1_reg(qdev,
3243                            &hmem_regs->rxLargeQBaseAddrHigh,
3244                            MS_64BITS(qdev->lrg_buf_q_phy_addr));
3245
3246         ql_write_page1_reg(qdev,
3247                            &hmem_regs->rxLargeQBaseAddrLow,
3248                            LS_64BITS(qdev->lrg_buf_q_phy_addr));
3249
3250         ql_write_page1_reg(qdev, &hmem_regs->rxLargeQLength, qdev->num_lbufq_entries);
3251
3252         ql_write_page1_reg(qdev,
3253                            &hmem_regs->rxLargeBufferLength,
3254                            qdev->lrg_buffer_len);
3255
3256         /* Small Buffer Queue */
3257         ql_write_page1_reg(qdev,
3258                            &hmem_regs->rxSmallQBaseAddrHigh,
3259                            MS_64BITS(qdev->small_buf_q_phy_addr));
3260
3261         ql_write_page1_reg(qdev,
3262                            &hmem_regs->rxSmallQBaseAddrLow,
3263                            LS_64BITS(qdev->small_buf_q_phy_addr));
3264
3265         ql_write_page1_reg(qdev, &hmem_regs->rxSmallQLength, NUM_SBUFQ_ENTRIES);
3266         ql_write_page1_reg(qdev,
3267                            &hmem_regs->rxSmallBufferLength,
3268                            QL_SMALL_BUFFER_SIZE);
3269
3270         qdev->small_buf_q_producer_index = NUM_SBUFQ_ENTRIES - 1;
3271         qdev->small_buf_release_cnt = 8;
3272         qdev->lrg_buf_q_producer_index = qdev->num_lbufq_entries - 1;
3273         qdev->lrg_buf_release_cnt = 8;
3274         qdev->lrg_buf_next_free =
3275             (struct bufq_addr_element *)qdev->lrg_buf_q_virt_addr;
3276         qdev->small_buf_index = 0;
3277         qdev->lrg_buf_index = 0;
3278         qdev->lrg_buf_free_count = 0;
3279         qdev->lrg_buf_free_head = NULL;
3280         qdev->lrg_buf_free_tail = NULL;
3281
3282         ql_write_common_reg(qdev,
3283                             &port_regs->CommonRegs.
3284                             rxSmallQProducerIndex,
3285                             qdev->small_buf_q_producer_index);
3286         ql_write_common_reg(qdev,
3287                             &port_regs->CommonRegs.
3288                             rxLargeQProducerIndex,
3289                             qdev->lrg_buf_q_producer_index);
3290
3291         /*
3292          * Find out if the chip has already been initialized.  If it has, then
3293          * we skip some of the initialization.
3294          */
3295         clear_bit(QL_LINK_MASTER, &qdev->flags);
3296         value = ql_read_page0_reg(qdev, &port_regs->portStatus);
3297         if ((value & PORT_STATUS_IC) == 0) {
3298
3299                 /* Chip has not been configured yet, so let it rip. */
3300                 if(ql_init_misc_registers(qdev)) {
3301                         status = -1;
3302                         goto out;
3303                 }
3304
3305                 value = qdev->nvram_data.tcpMaxWindowSize;
3306                 ql_write_page0_reg(qdev, &port_regs->tcpMaxWindow, value);
3307
3308                 value = (0xFFFF << 16) | qdev->nvram_data.extHwConfig;
3309
3310                 if(ql_sem_spinlock(qdev, QL_FLASH_SEM_MASK,
3311                                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index)
3312                                  * 2) << 13)) {
3313                         status = -1;
3314                         goto out;
3315                 }
3316                 ql_write_page0_reg(qdev, &port_regs->ExternalHWConfig, value);
3317                 ql_write_page0_reg(qdev, &port_regs->InternalChipConfig,
3318                                    (((INTERNAL_CHIP_SD | INTERNAL_CHIP_WE) <<
3319                                      16) | (INTERNAL_CHIP_SD |
3320                                             INTERNAL_CHIP_WE)));
3321                 ql_sem_unlock(qdev, QL_FLASH_SEM_MASK);
3322         }
3323
3324         if (qdev->mac_index)
3325                 ql_write_page0_reg(qdev,
3326                                    &port_regs->mac1MaxFrameLengthReg,
3327                                    qdev->max_frame_size);
3328         else
3329                 ql_write_page0_reg(qdev,
3330                                            &port_regs->mac0MaxFrameLengthReg,
3331                                            qdev->max_frame_size);
3332
3333         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
3334                         (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
3335                          2) << 7)) {
3336                 status = -1;
3337                 goto out;
3338         }
3339
3340         PHY_Setup(qdev);
3341         ql_init_scan_mode(qdev);
3342         ql_get_phy_owner(qdev);
3343
3344         /* Load the MAC Configuration */
3345
3346         /* Program lower 32 bits of the MAC address */
3347         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3348                            (MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16));
3349         ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3350                            ((qdev->ndev->dev_addr[2] << 24)
3351                             | (qdev->ndev->dev_addr[3] << 16)
3352                             | (qdev->ndev->dev_addr[4] << 8)
3353                             | qdev->ndev->dev_addr[5]));
3354
3355         /* Program top 16 bits of the MAC address */
3356         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3357                            ((MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16) | 1));
3358         ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3359                            ((qdev->ndev->dev_addr[0] << 8)
3360                             | qdev->ndev->dev_addr[1]));
3361
3362         /* Enable Primary MAC */
3363         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3364                            ((MAC_ADDR_INDIRECT_PTR_REG_PE << 16) |
3365                             MAC_ADDR_INDIRECT_PTR_REG_PE));
3366
3367         /* Clear Primary and Secondary IP addresses */
3368         ql_write_page0_reg(qdev, &port_regs->ipAddrIndexReg,
3369                            ((IP_ADDR_INDEX_REG_MASK << 16) |
3370                             (qdev->mac_index << 2)));
3371         ql_write_page0_reg(qdev, &port_regs->ipAddrDataReg, 0);
3372
3373         ql_write_page0_reg(qdev, &port_regs->ipAddrIndexReg,
3374                            ((IP_ADDR_INDEX_REG_MASK << 16) |
3375                             ((qdev->mac_index << 2) + 1)));
3376         ql_write_page0_reg(qdev, &port_regs->ipAddrDataReg, 0);
3377
3378         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
3379
3380         /* Indicate Configuration Complete */
3381         ql_write_page0_reg(qdev,
3382                            &port_regs->portControl,
3383                            ((PORT_CONTROL_CC << 16) | PORT_CONTROL_CC));
3384
3385         do {
3386                 value = ql_read_page0_reg(qdev, &port_regs->portStatus);
3387                 if (value & PORT_STATUS_IC)
3388                         break;
3389                 msleep(500);
3390         } while (--delay);
3391
3392         if (delay == 0) {
3393                 printk(KERN_ERR PFX
3394                        "%s: Hw Initialization timeout.\n", qdev->ndev->name);
3395                 status = -1;
3396                 goto out;
3397         }
3398
3399         /* Enable Ethernet Function */
3400         if (qdev->device_id == QL3032_DEVICE_ID) {
3401                 value =
3402                     (QL3032_PORT_CONTROL_EF | QL3032_PORT_CONTROL_KIE |
3403                      QL3032_PORT_CONTROL_EIv6 | QL3032_PORT_CONTROL_EIv4 |
3404                         QL3032_PORT_CONTROL_ET);
3405                 ql_write_page0_reg(qdev, &port_regs->functionControl,
3406                                    ((value << 16) | value));
3407         } else {
3408                 value =
3409                     (PORT_CONTROL_EF | PORT_CONTROL_ET | PORT_CONTROL_EI |
3410                      PORT_CONTROL_HH);
3411                 ql_write_page0_reg(qdev, &port_regs->portControl,
3412                                    ((value << 16) | value));
3413         }
3414
3415
3416 out:
3417         return status;
3418 }
3419
3420 /*
3421  * Caller holds hw_lock.
3422  */
3423 static int ql_adapter_reset(struct ql3_adapter *qdev)
3424 {
3425         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3426         int status = 0;
3427         u16 value;
3428         int max_wait_time;
3429
3430         set_bit(QL_RESET_ACTIVE, &qdev->flags);
3431         clear_bit(QL_RESET_DONE, &qdev->flags);
3432
3433         /*
3434          * Issue soft reset to chip.
3435          */
3436         printk(KERN_DEBUG PFX
3437                "%s: Issue soft reset to chip.\n",
3438                qdev->ndev->name);
3439         ql_write_common_reg(qdev,
3440                             &port_regs->CommonRegs.ispControlStatus,
3441                             ((ISP_CONTROL_SR << 16) | ISP_CONTROL_SR));
3442
3443         /* Wait 3 seconds for reset to complete. */
3444         printk(KERN_DEBUG PFX
3445                "%s: Wait 10 milliseconds for reset to complete.\n",
3446                qdev->ndev->name);
3447
3448         /* Wait until the firmware tells us the Soft Reset is done */
3449         max_wait_time = 5;
3450         do {
3451                 value =
3452                     ql_read_common_reg(qdev,
3453                                        &port_regs->CommonRegs.ispControlStatus);
3454                 if ((value & ISP_CONTROL_SR) == 0)
3455                         break;
3456
3457                 ssleep(1);
3458         } while ((--max_wait_time));
3459
3460         /*
3461          * Also, make sure that the Network Reset Interrupt bit has been
3462          * cleared after the soft reset has taken place.
3463          */
3464         value =
3465             ql_read_common_reg(qdev, &port_regs->CommonRegs.ispControlStatus);
3466         if (value & ISP_CONTROL_RI) {
3467                 printk(KERN_DEBUG PFX
3468                        "ql_adapter_reset: clearing RI after reset.\n");
3469                 ql_write_common_reg(qdev,
3470                                     &port_regs->CommonRegs.
3471                                     ispControlStatus,
3472                                     ((ISP_CONTROL_RI << 16) | ISP_CONTROL_RI));
3473         }
3474
3475         if (max_wait_time == 0) {
3476                 /* Issue Force Soft Reset */
3477                 ql_write_common_reg(qdev,
3478                                     &port_regs->CommonRegs.
3479                                     ispControlStatus,
3480                                     ((ISP_CONTROL_FSR << 16) |
3481                                      ISP_CONTROL_FSR));
3482                 /*
3483                  * Wait until the firmware tells us the Force Soft Reset is
3484                  * done
3485                  */
3486                 max_wait_time = 5;
3487                 do {
3488                         value =
3489                             ql_read_common_reg(qdev,
3490                                                &port_regs->CommonRegs.
3491                                                ispControlStatus);
3492                         if ((value & ISP_CONTROL_FSR) == 0) {
3493                                 break;
3494                         }
3495                         ssleep(1);
3496                 } while ((--max_wait_time));
3497         }
3498         if (max_wait_time == 0)
3499                 status = 1;
3500
3501         clear_bit(QL_RESET_ACTIVE, &qdev->flags);
3502         set_bit(QL_RESET_DONE, &qdev->flags);
3503         return status;
3504 }
3505
3506 static void ql_set_mac_info(struct ql3_adapter *qdev)
3507 {
3508         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3509         u32 value, port_status;
3510         u8 func_number;
3511
3512         /* Get the function number */
3513         value =
3514             ql_read_common_reg_l(qdev, &port_regs->CommonRegs.ispControlStatus);
3515         func_number = (u8) ((value >> 4) & OPCODE_FUNC_ID_MASK);
3516         port_status = ql_read_page0_reg(qdev, &port_regs->portStatus);
3517         switch (value & ISP_CONTROL_FN_MASK) {
3518         case ISP_CONTROL_FN0_NET:
3519                 qdev->mac_index = 0;
3520                 qdev->mac_ob_opcode = OUTBOUND_MAC_IOCB | func_number;
3521                 qdev->tcp_ob_opcode = OUTBOUND_TCP_IOCB | func_number;
3522                 qdev->update_ob_opcode = UPDATE_NCB_IOCB | func_number;
3523                 qdev->mb_bit_mask = FN0_MA_BITS_MASK;
3524                 qdev->PHYAddr = PORT0_PHY_ADDRESS;
3525                 if (port_status & PORT_STATUS_SM0)
3526                         set_bit(QL_LINK_OPTICAL,&qdev->flags);
3527                 else
3528                         clear_bit(QL_LINK_OPTICAL,&qdev->flags);
3529                 break;
3530
3531         case ISP_CONTROL_FN1_NET:
3532                 qdev->mac_index = 1;
3533                 qdev->mac_ob_opcode = OUTBOUND_MAC_IOCB | func_number;
3534                 qdev->tcp_ob_opcode = OUTBOUND_TCP_IOCB | func_number;
3535                 qdev->update_ob_opcode = UPDATE_NCB_IOCB | func_number;
3536                 qdev->mb_bit_mask = FN1_MA_BITS_MASK;
3537                 qdev->PHYAddr = PORT1_PHY_ADDRESS;
3538                 if (port_status & PORT_STATUS_SM1)
3539                         set_bit(QL_LINK_OPTICAL,&qdev->flags);
3540                 else
3541                         clear_bit(QL_LINK_OPTICAL,&qdev->flags);
3542                 break;
3543
3544         case ISP_CONTROL_FN0_SCSI:
3545         case ISP_CONTROL_FN1_SCSI:
3546         default:
3547                 printk(KERN_DEBUG PFX
3548                        "%s: Invalid function number, ispControlStatus = 0x%x\n",
3549                        qdev->ndev->name,value);
3550                 break;
3551         }
3552         qdev->numPorts = qdev->nvram_data.numPorts;
3553 }
3554
3555 static void ql_display_dev_info(struct net_device *ndev)
3556 {
3557         struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3558         struct pci_dev *pdev = qdev->pdev;
3559
3560         printk(KERN_INFO PFX
3561                "\n%s Adapter %d RevisionID %d found %s on PCI slot %d.\n",
3562                DRV_NAME, qdev->index, qdev->chip_rev_id,
3563                (qdev->device_id == QL3032_DEVICE_ID) ? "QLA3032" : "QLA3022",
3564                qdev->pci_slot);
3565         printk(KERN_INFO PFX
3566                "%s Interface.\n",
3567                test_bit(QL_LINK_OPTICAL,&qdev->flags) ? "OPTICAL" : "COPPER");
3568
3569         /*
3570          * Print PCI bus width/type.
3571          */
3572         printk(KERN_INFO PFX
3573                "Bus interface is %s %s.\n",
3574                ((qdev->pci_width == 64) ? "64-bit" : "32-bit"),
3575                ((qdev->pci_x) ? "PCI-X" : "PCI"));
3576
3577         printk(KERN_INFO PFX
3578                "mem  IO base address adjusted = 0x%p\n",
3579                qdev->mem_map_registers);
3580         printk(KERN_INFO PFX "Interrupt number = %d\n", pdev->irq);
3581
3582         if (netif_msg_probe(qdev))
3583                 printk(KERN_INFO PFX
3584                        "%s: MAC address %02x:%02x:%02x:%02x:%02x:%02x\n",
3585                        ndev->name, ndev->dev_addr[0], ndev->dev_addr[1],
3586                        ndev->dev_addr[2], ndev->dev_addr[3], ndev->dev_addr[4],
3587                        ndev->dev_addr[5]);
3588 }
3589
3590 static int ql_adapter_down(struct ql3_adapter *qdev, int do_reset)
3591 {
3592         struct net_device *ndev = qdev->ndev;
3593         int retval = 0;
3594
3595         netif_stop_queue(ndev);
3596         netif_carrier_off(ndev);
3597
3598         clear_bit(QL_ADAPTER_UP,&qdev->flags);
3599         clear_bit(QL_LINK_MASTER,&qdev->flags);
3600
3601         ql_disable_interrupts(qdev);
3602
3603         free_irq(qdev->pdev->irq, ndev);
3604
3605         if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) {
3606                 printk(KERN_INFO PFX
3607                        "%s: calling pci_disable_msi().\n", qdev->ndev->name);
3608                 clear_bit(QL_MSI_ENABLED,&qdev->flags);
3609                 pci_disable_msi(qdev->pdev);
3610         }
3611
3612         del_timer_sync(&qdev->adapter_timer);
3613
3614         netif_poll_disable(ndev);
3615
3616         if (do_reset) {
3617                 int soft_reset;
3618                 unsigned long hw_flags;
3619
3620                 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3621                 if (ql_wait_for_drvr_lock(qdev)) {
3622                         if ((soft_reset = ql_adapter_reset(qdev))) {
3623                                 printk(KERN_ERR PFX
3624                                        "%s: ql_adapter_reset(%d) FAILED!\n",
3625                                        ndev->name, qdev->index);
3626                         }
3627                         printk(KERN_ERR PFX
3628                                 "%s: Releaseing driver lock via chip reset.\n",ndev->name);
3629                 } else {
3630                         printk(KERN_ERR PFX
3631                                "%s: Could not acquire driver lock to do "
3632                                "reset!\n", ndev->name);
3633                         retval = -1;
3634                 }
3635                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3636         }
3637         ql_free_mem_resources(qdev);
3638         return retval;
3639 }
3640
3641 static int ql_adapter_up(struct ql3_adapter *qdev)
3642 {
3643         struct net_device *ndev = qdev->ndev;
3644         int err;
3645         unsigned long irq_flags = IRQF_SAMPLE_RANDOM | IRQF_SHARED;
3646         unsigned long hw_flags;
3647
3648         if (ql_alloc_mem_resources(qdev)) {
3649                 printk(KERN_ERR PFX
3650                        "%s Unable to  allocate buffers.\n", ndev->name);
3651                 return -ENOMEM;
3652         }
3653
3654         if (qdev->msi) {
3655                 if (pci_enable_msi(qdev->pdev)) {
3656                         printk(KERN_ERR PFX
3657                                "%s: User requested MSI, but MSI failed to "
3658                                "initialize.  Continuing without MSI.\n",
3659                                qdev->ndev->name);
3660                         qdev->msi = 0;
3661                 } else {
3662                         printk(KERN_INFO PFX "%s: MSI Enabled...\n", qdev->ndev->name);
3663                         set_bit(QL_MSI_ENABLED,&qdev->flags);
3664                         irq_flags &= ~IRQF_SHARED;
3665                 }
3666         }
3667
3668         if ((err = request_irq(qdev->pdev->irq,
3669                                ql3xxx_isr,
3670                                irq_flags, ndev->name, ndev))) {
3671                 printk(KERN_ERR PFX
3672                        "%s: Failed to reserve interrupt %d already in use.\n",
3673                        ndev->name, qdev->pdev->irq);
3674                 goto err_irq;
3675         }
3676
3677         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3678
3679         if ((err = ql_wait_for_drvr_lock(qdev))) {
3680                 if ((err = ql_adapter_initialize(qdev))) {
3681                         printk(KERN_ERR PFX
3682                                "%s: Unable to initialize adapter.\n",
3683                                ndev->name);
3684                         goto err_init;
3685                 }
3686                 printk(KERN_ERR PFX
3687                                 "%s: Releaseing driver lock.\n",ndev->name);
3688                 ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
3689         } else {
3690                 printk(KERN_ERR PFX
3691                        "%s: Could not aquire driver lock.\n",
3692                        ndev->name);
3693                 goto err_lock;
3694         }
3695
3696         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3697
3698         set_bit(QL_ADAPTER_UP,&qdev->flags);
3699
3700         mod_timer(&qdev->adapter_timer, jiffies + HZ * 1);
3701
3702         netif_poll_enable(ndev);
3703         ql_enable_interrupts(qdev);
3704         return 0;
3705
3706 err_init:
3707         ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
3708 err_lock:
3709         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3710         free_irq(qdev->pdev->irq, ndev);
3711 err_irq:
3712         if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) {
3713                 printk(KERN_INFO PFX
3714                        "%s: calling pci_disable_msi().\n",
3715                        qdev->ndev->name);
3716                 clear_bit(QL_MSI_ENABLED,&qdev->flags);
3717                 pci_disable_msi(qdev->pdev);
3718         }
3719         return err;
3720 }
3721
3722 static int ql_cycle_adapter(struct ql3_adapter *qdev, int reset)
3723 {
3724         if( ql_adapter_down(qdev,reset) || ql_adapter_up(qdev)) {
3725                 printk(KERN_ERR PFX
3726                                 "%s: Driver up/down cycle failed, "
3727                                 "closing device\n",qdev->ndev->name);
3728                 dev_close(qdev->ndev);
3729                 return -1;
3730         }
3731         return 0;
3732 }
3733
3734 static int ql3xxx_close(struct net_device *ndev)
3735 {
3736         struct ql3_adapter *qdev = netdev_priv(ndev);
3737
3738         /*
3739          * Wait for device to recover from a reset.
3740          * (Rarely happens, but possible.)
3741          */
3742         while (!test_bit(QL_ADAPTER_UP,&qdev->flags))
3743                 msleep(50);
3744
3745         ql_adapter_down(qdev,QL_DO_RESET);
3746         return 0;
3747 }
3748
3749 static int ql3xxx_open(struct net_device *ndev)
3750 {
3751         struct ql3_adapter *qdev = netdev_priv(ndev);
3752         return (ql_adapter_up(qdev));
3753 }
3754
3755 static struct net_device_stats *ql3xxx_get_stats(struct net_device *dev)
3756 {
3757         struct ql3_adapter *qdev = (struct ql3_adapter *)dev->priv;
3758         return &qdev->stats;
3759 }
3760
3761 static void ql3xxx_set_multicast_list(struct net_device *ndev)
3762 {
3763         /*
3764          * We are manually parsing the list in the net_device structure.
3765          */
3766         return;
3767 }
3768
3769 static int ql3xxx_set_mac_address(struct net_device *ndev, void *p)
3770 {
3771         struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3772         struct ql3xxx_port_registers __iomem *port_regs =
3773                         qdev->mem_map_registers;
3774         struct sockaddr *addr = p;
3775         unsigned long hw_flags;
3776
3777         if (netif_running(ndev))
3778                 return -EBUSY;
3779
3780         if (!is_valid_ether_addr(addr->sa_data))
3781                 return -EADDRNOTAVAIL;
3782
3783         memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len);
3784
3785         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3786         /* Program lower 32 bits of the MAC address */
3787         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3788                            (MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16));
3789         ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3790                            ((ndev->dev_addr[2] << 24) | (ndev->
3791                                                          dev_addr[3] << 16) |
3792                             (ndev->dev_addr[4] << 8) | ndev->dev_addr[5]));
3793
3794         /* Program top 16 bits of the MAC address */
3795         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3796                            ((MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16) | 1));
3797         ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3798                            ((ndev->dev_addr[0] << 8) | ndev->dev_addr[1]));
3799         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3800
3801         return 0;
3802 }
3803
3804 static void ql3xxx_tx_timeout(struct net_device *ndev)
3805 {
3806         struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3807
3808         printk(KERN_ERR PFX "%s: Resetting...\n", ndev->name);
3809         /*
3810          * Stop the queues, we've got a problem.
3811          */
3812         netif_stop_queue(ndev);
3813
3814         /*
3815          * Wake up the worker to process this event.
3816          */
3817         queue_delayed_work(qdev->workqueue, &qdev->tx_timeout_work, 0);
3818 }
3819
3820 static void ql_reset_work(struct work_struct *work)
3821 {
3822         struct ql3_adapter *qdev =
3823                 container_of(work, struct ql3_adapter, reset_work.work);
3824         struct net_device *ndev = qdev->ndev;
3825         u32 value;
3826         struct ql_tx_buf_cb *tx_cb;
3827         int max_wait_time, i;
3828         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3829         unsigned long hw_flags;
3830
3831         if (test_bit((QL_RESET_PER_SCSI | QL_RESET_START),&qdev->flags)) {
3832                 clear_bit(QL_LINK_MASTER,&qdev->flags);
3833
3834                 /*
3835                  * Loop through the active list and return the skb.
3836                  */
3837                 for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
3838                         int j;
3839                         tx_cb = &qdev->tx_buf[i];
3840                         if (tx_cb->skb) {
3841                                 printk(KERN_DEBUG PFX
3842                                        "%s: Freeing lost SKB.\n",
3843                                        qdev->ndev->name);
3844                                 pci_unmap_single(qdev->pdev,
3845                                          pci_unmap_addr(&tx_cb->map[0], mapaddr),
3846                                          pci_unmap_len(&tx_cb->map[0], maplen),
3847                                          PCI_DMA_TODEVICE);
3848                                 for(j=1;j<tx_cb->seg_count;j++) {
3849                                         pci_unmap_page(qdev->pdev,
3850                                                pci_unmap_addr(&tx_cb->map[j],mapaddr),
3851                                                pci_unmap_len(&tx_cb->map[j],maplen),
3852                                                PCI_DMA_TODEVICE);
3853                                 }
3854                                 dev_kfree_skb(tx_cb->skb);
3855                                 tx_cb->skb = NULL;
3856                         }
3857                 }
3858
3859                 printk(KERN_ERR PFX
3860                        "%s: Clearing NRI after reset.\n", qdev->ndev->name);
3861                 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3862                 ql_write_common_reg(qdev,
3863                                     &port_regs->CommonRegs.
3864                                     ispControlStatus,
3865                                     ((ISP_CONTROL_RI << 16) | ISP_CONTROL_RI));
3866                 /*
3867                  * Wait the for Soft Reset to Complete.
3868                  */
3869                 max_wait_time = 10;
3870                 do {
3871                         value = ql_read_common_reg(qdev,
3872                                                    &port_regs->CommonRegs.
3873
3874                                                    ispControlStatus);
3875                         if ((value & ISP_CONTROL_SR) == 0) {
3876                                 printk(KERN_DEBUG PFX
3877                                        "%s: reset completed.\n",
3878                                        qdev->ndev->name);
3879                                 break;
3880                         }
3881
3882                         if (value & ISP_CONTROL_RI) {
3883                                 printk(KERN_DEBUG PFX
3884                                        "%s: clearing NRI after reset.\n",
3885                                        qdev->ndev->name);
3886                                 ql_write_common_reg(qdev,
3887                                                     &port_regs->
3888                                                     CommonRegs.
3889                                                     ispControlStatus,
3890                                                     ((ISP_CONTROL_RI <<
3891                                                       16) | ISP_CONTROL_RI));
3892                         }
3893
3894                         ssleep(1);
3895                 } while (--max_wait_time);
3896                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3897
3898                 if (value & ISP_CONTROL_SR) {
3899
3900                         /*
3901                          * Set the reset flags and clear the board again.
3902                          * Nothing else to do...
3903                          */
3904                         printk(KERN_ERR PFX
3905                                "%s: Timed out waiting for reset to "
3906                                "complete.\n", ndev->name);
3907                         printk(KERN_ERR PFX
3908                                "%s: Do a reset.\n", ndev->name);
3909                         clear_bit(QL_RESET_PER_SCSI,&qdev->flags);
3910                         clear_bit(QL_RESET_START,&qdev->flags);
3911                         ql_cycle_adapter(qdev,QL_DO_RESET);
3912                         return;
3913                 }
3914
3915                 clear_bit(QL_RESET_ACTIVE,&qdev->flags);
3916                 clear_bit(QL_RESET_PER_SCSI,&qdev->flags);
3917                 clear_bit(QL_RESET_START,&qdev->flags);
3918                 ql_cycle_adapter(qdev,QL_NO_RESET);
3919         }
3920 }
3921
3922 static void ql_tx_timeout_work(struct work_struct *work)
3923 {
3924         struct ql3_adapter *qdev =
3925                 container_of(work, struct ql3_adapter, tx_timeout_work.work);
3926
3927         ql_cycle_adapter(qdev, QL_DO_RESET);
3928 }
3929
3930 static void ql_get_board_info(struct ql3_adapter *qdev)
3931 {
3932         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3933         u32 value;
3934
3935         value = ql_read_page0_reg_l(qdev, &port_regs->portStatus);
3936
3937         qdev->chip_rev_id = ((value & PORT_STATUS_REV_ID_MASK) >> 12);
3938         if (value & PORT_STATUS_64)
3939                 qdev->pci_width = 64;
3940         else
3941                 qdev->pci_width = 32;
3942         if (value & PORT_STATUS_X)
3943                 qdev->pci_x = 1;
3944         else
3945                 qdev->pci_x = 0;
3946         qdev->pci_slot = (u8) PCI_SLOT(qdev->pdev->devfn);
3947 }
3948
3949 static void ql3xxx_timer(unsigned long ptr)
3950 {
3951         struct ql3_adapter *qdev = (struct ql3_adapter *)ptr;
3952
3953         if (test_bit(QL_RESET_ACTIVE,&qdev->flags)) {
3954                 printk(KERN_DEBUG PFX
3955                        "%s: Reset in progress.\n",
3956                        qdev->ndev->name);
3957                 goto end;
3958         }
3959
3960         ql_link_state_machine(qdev);
3961
3962         /* Restart timer on 2 second interval. */
3963 end:
3964         mod_timer(&qdev->adapter_timer, jiffies + HZ * 1);
3965 }
3966
3967 static int __devinit ql3xxx_probe(struct pci_dev *pdev,
3968                                   const struct pci_device_id *pci_entry)
3969 {
3970         struct net_device *ndev = NULL;
3971         struct ql3_adapter *qdev = NULL;
3972         static int cards_found = 0;
3973         int pci_using_dac, err;
3974
3975         err = pci_enable_device(pdev);
3976         if (err) {
3977                 printk(KERN_ERR PFX "%s cannot enable PCI device\n",
3978                        pci_name(pdev));
3979                 goto err_out;
3980         }
3981
3982         err = pci_request_regions(pdev, DRV_NAME);
3983         if (err) {
3984                 printk(KERN_ERR PFX "%s cannot obtain PCI resources\n",
3985                        pci_name(pdev));
3986                 goto err_out_disable_pdev;
3987         }
3988
3989         pci_set_master(pdev);
3990
3991         if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
3992                 pci_using_dac = 1;
3993                 err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
3994         } else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
3995                 pci_using_dac = 0;
3996                 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
3997         }
3998
3999         if (err) {
4000                 printk(KERN_ERR PFX "%s no usable DMA configuration\n",
4001                        pci_name(pdev));
4002                 goto err_out_free_regions;
4003         }
4004
4005         ndev = alloc_etherdev(sizeof(struct ql3_adapter));
4006         if (!ndev) {
4007                 printk(KERN_ERR PFX "%s could not alloc etherdev\n",
4008                        pci_name(pdev));
4009                 err = -ENOMEM;
4010                 goto err_out_free_regions;
4011         }
4012
4013         SET_MODULE_OWNER(ndev);
4014         SET_NETDEV_DEV(ndev, &pdev->dev);
4015
4016         pci_set_drvdata(pdev, ndev);
4017
4018         qdev = netdev_priv(ndev);
4019         qdev->index = cards_found;
4020         qdev->ndev = ndev;
4021         qdev->pdev = pdev;
4022         qdev->device_id = pci_entry->device;
4023         qdev->port_link_state = LS_DOWN;
4024         if (msi)
4025                 qdev->msi = 1;
4026
4027         qdev->msg_enable = netif_msg_init(debug, default_msg);
4028
4029         if (pci_using_dac)
4030                 ndev->features |= NETIF_F_HIGHDMA;
4031         if (qdev->device_id == QL3032_DEVICE_ID)
4032                 ndev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
4033
4034         qdev->mem_map_registers =
4035             ioremap_nocache(pci_resource_start(pdev, 1),
4036                             pci_resource_len(qdev->pdev, 1));
4037         if (!qdev->mem_map_registers) {
4038                 printk(KERN_ERR PFX "%s: cannot map device registers\n",
4039                        pci_name(pdev));
4040                 err = -EIO;
4041                 goto err_out_free_ndev;
4042         }
4043
4044         spin_lock_init(&qdev->adapter_lock);
4045         spin_lock_init(&qdev->hw_lock);
4046
4047         /* Set driver entry points */
4048         ndev->open = ql3xxx_open;
4049         ndev->hard_start_xmit = ql3xxx_send;
4050         ndev->stop = ql3xxx_close;
4051         ndev->get_stats = ql3xxx_get_stats;
4052         ndev->set_multicast_list = ql3xxx_set_multicast_list;
4053         SET_ETHTOOL_OPS(ndev, &ql3xxx_ethtool_ops);
4054         ndev->set_mac_address = ql3xxx_set_mac_address;
4055         ndev->tx_timeout = ql3xxx_tx_timeout;
4056         ndev->watchdog_timeo = 5 * HZ;
4057
4058         ndev->poll = &ql_poll;
4059         ndev->weight = 64;
4060
4061         ndev->irq = pdev->irq;
4062
4063         /* make sure the EEPROM is good */
4064         if (ql_get_nvram_params(qdev)) {
4065                 printk(KERN_ALERT PFX
4066                        "ql3xxx_probe: Adapter #%d, Invalid NVRAM parameters.\n",
4067                        qdev->index);
4068                 err = -EIO;
4069                 goto err_out_iounmap;
4070         }
4071
4072         ql_set_mac_info(qdev);
4073
4074         /* Validate and set parameters */
4075         if (qdev->mac_index) {
4076                 ndev->mtu = qdev->nvram_data.macCfg_port1.etherMtu_mac ;
4077                 memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn2.macAddress,
4078                        ETH_ALEN);
4079         } else {
4080                 ndev->mtu = qdev->nvram_data.macCfg_port0.etherMtu_mac ;
4081                 memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn0.macAddress,
4082                        ETH_ALEN);
4083         }
4084         memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len);
4085
4086         ndev->tx_queue_len = NUM_REQ_Q_ENTRIES;
4087
4088         /* Turn off support for multicasting */
4089         ndev->flags &= ~IFF_MULTICAST;
4090
4091         /* Record PCI bus information. */
4092         ql_get_board_info(qdev);
4093
4094         /*
4095          * Set the Maximum Memory Read Byte Count value. We do this to handle
4096          * jumbo frames.
4097          */
4098         if (qdev->pci_x) {
4099                 pci_write_config_word(pdev, (int)0x4e, (u16) 0x0036);
4100         }
4101
4102         err = register_netdev(ndev);
4103         if (err) {
4104                 printk(KERN_ERR PFX "%s: cannot register net device\n",
4105                        pci_name(pdev));
4106                 goto err_out_iounmap;
4107         }
4108
4109         /* we're going to reset, so assume we have no link for now */
4110
4111         netif_carrier_off(ndev);
4112         netif_stop_queue(ndev);
4113
4114         qdev->workqueue = create_singlethread_workqueue(ndev->name);
4115         INIT_DELAYED_WORK(&qdev->reset_work, ql_reset_work);
4116         INIT_DELAYED_WORK(&qdev->tx_timeout_work, ql_tx_timeout_work);
4117
4118         init_timer(&qdev->adapter_timer);
4119         qdev->adapter_timer.function = ql3xxx_timer;
4120         qdev->adapter_timer.expires = jiffies + HZ * 2; /* two second delay */
4121         qdev->adapter_timer.data = (unsigned long)qdev;
4122
4123         if(!cards_found) {
4124                 printk(KERN_ALERT PFX "%s\n", DRV_STRING);
4125                 printk(KERN_ALERT PFX "Driver name: %s, Version: %s.\n",
4126                    DRV_NAME, DRV_VERSION);
4127         }
4128         ql_display_dev_info(ndev);
4129
4130         cards_found++;
4131         return 0;
4132
4133 err_out_iounmap:
4134         iounmap(qdev->mem_map_registers);
4135 err_out_free_ndev:
4136         free_netdev(ndev);
4137 err_out_free_regions:
4138         pci_release_regions(pdev);
4139 err_out_disable_pdev:
4140         pci_disable_device(pdev);
4141         pci_set_drvdata(pdev, NULL);
4142 err_out:
4143         return err;
4144 }
4145
4146 static void __devexit ql3xxx_remove(struct pci_dev *pdev)
4147 {
4148         struct net_device *ndev = pci_get_drvdata(pdev);
4149         struct ql3_adapter *qdev = netdev_priv(ndev);
4150
4151         unregister_netdev(ndev);
4152         qdev = netdev_priv(ndev);
4153
4154         ql_disable_interrupts(qdev);
4155
4156         if (qdev->workqueue) {
4157                 cancel_delayed_work(&qdev->reset_work);
4158                 cancel_delayed_work(&qdev->tx_timeout_work);
4159                 destroy_workqueue(qdev->workqueue);
4160                 qdev->workqueue = NULL;
4161         }
4162
4163         iounmap(qdev->mem_map_registers);
4164         pci_release_regions(pdev);
4165         pci_set_drvdata(pdev, NULL);
4166         free_netdev(ndev);
4167 }
4168
4169 static struct pci_driver ql3xxx_driver = {
4170
4171         .name = DRV_NAME,
4172         .id_table = ql3xxx_pci_tbl,
4173         .probe = ql3xxx_probe,
4174         .remove = __devexit_p(ql3xxx_remove),
4175 };
4176
4177 static int __init ql3xxx_init_module(void)
4178 {
4179         return pci_register_driver(&ql3xxx_driver);
4180 }
4181
4182 static void __exit ql3xxx_exit(void)
4183 {
4184         pci_unregister_driver(&ql3xxx_driver);
4185 }
4186
4187 module_init(ql3xxx_init_module);
4188 module_exit(ql3xxx_exit);