48069ece4e510016cd2a2d5bf4c86a770b23b279
[linux-2.6.git] / 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/delay.h>
35 #include <linux/mm.h>
36
37 #include "qla3xxx.h"
38
39 #define DRV_NAME        "qla3xxx"
40 #define DRV_STRING      "QLogic ISP3XXX Network Driver"
41 #define DRV_VERSION     "v2.03.00-k4"
42 #define PFX             DRV_NAME " "
43
44 static const char ql3xxx_driver_name[] = DRV_NAME;
45 static const char ql3xxx_driver_version[] = DRV_VERSION;
46
47 MODULE_AUTHOR("QLogic Corporation");
48 MODULE_DESCRIPTION("QLogic ISP3XXX Network Driver " DRV_VERSION " ");
49 MODULE_LICENSE("GPL");
50 MODULE_VERSION(DRV_VERSION);
51
52 static const u32 default_msg
53     = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
54     | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
55
56 static int debug = -1;          /* defaults above */
57 module_param(debug, int, 0);
58 MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
59
60 static int msi;
61 module_param(msi, int, 0);
62 MODULE_PARM_DESC(msi, "Turn on Message Signaled Interrupts.");
63
64 static struct pci_device_id ql3xxx_pci_tbl[] __devinitdata = {
65         {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QL3022_DEVICE_ID)},
66         {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QL3032_DEVICE_ID)},
67         /* required last entry */
68         {0,}
69 };
70
71 MODULE_DEVICE_TABLE(pci, ql3xxx_pci_tbl);
72
73 /*
74  *  These are the known PHY's which are used
75  */
76 typedef enum {
77    PHY_TYPE_UNKNOWN   = 0,
78    PHY_VITESSE_VSC8211,
79    PHY_AGERE_ET1011C,
80    MAX_PHY_DEV_TYPES
81 } PHY_DEVICE_et;
82
83 typedef struct {
84         PHY_DEVICE_et phyDevice; 
85         u32             phyIdOUI;
86         u16             phyIdModel;
87         char            *name;
88 } PHY_DEVICE_INFO_t;
89
90 static const PHY_DEVICE_INFO_t PHY_DEVICES[] =
91         {{PHY_TYPE_UNKNOWN,    0x000000, 0x0, "PHY_TYPE_UNKNOWN"},
92          {PHY_VITESSE_VSC8211, 0x0003f1, 0xb, "PHY_VITESSE_VSC8211"},
93          {PHY_AGERE_ET1011C,   0x00a0bc, 0x1, "PHY_AGERE_ET1011C"},
94 };
95
96
97 /*
98  * Caller must take hw_lock.
99  */
100 static int ql_sem_spinlock(struct ql3_adapter *qdev,
101                             u32 sem_mask, u32 sem_bits)
102 {
103         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
104         u32 value;
105         unsigned int seconds = 3;
106
107         do {
108                 writel((sem_mask | sem_bits),
109                        &port_regs->CommonRegs.semaphoreReg);
110                 value = readl(&port_regs->CommonRegs.semaphoreReg);
111                 if ((value & (sem_mask >> 16)) == sem_bits)
112                         return 0;
113                 ssleep(1);
114         } while(--seconds);
115         return -1;
116 }
117
118 static void ql_sem_unlock(struct ql3_adapter *qdev, u32 sem_mask)
119 {
120         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
121         writel(sem_mask, &port_regs->CommonRegs.semaphoreReg);
122         readl(&port_regs->CommonRegs.semaphoreReg);
123 }
124
125 static int ql_sem_lock(struct ql3_adapter *qdev, u32 sem_mask, u32 sem_bits)
126 {
127         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
128         u32 value;
129
130         writel((sem_mask | sem_bits), &port_regs->CommonRegs.semaphoreReg);
131         value = readl(&port_regs->CommonRegs.semaphoreReg);
132         return ((value & (sem_mask >> 16)) == sem_bits);
133 }
134
135 /*
136  * Caller holds hw_lock.
137  */
138 static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev)
139 {
140         int i = 0;
141
142         while (1) {
143                 if (!ql_sem_lock(qdev,
144                                  QL_DRVR_SEM_MASK,
145                                  (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index)
146                                   * 2) << 1)) {
147                         if (i < 10) {
148                                 ssleep(1);
149                                 i++;
150                         } else {
151                                 printk(KERN_ERR PFX "%s: Timed out waiting for "
152                                        "driver lock...\n",
153                                        qdev->ndev->name);
154                                 return 0;
155                         }
156                 } else {
157                         printk(KERN_DEBUG PFX
158                                "%s: driver lock acquired.\n",
159                                qdev->ndev->name);
160                         return 1;
161                 }
162         }
163 }
164
165 static void ql_set_register_page(struct ql3_adapter *qdev, u32 page)
166 {
167         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
168
169         writel(((ISP_CONTROL_NP_MASK << 16) | page),
170                         &port_regs->CommonRegs.ispControlStatus);
171         readl(&port_regs->CommonRegs.ispControlStatus);
172         qdev->current_page = page;
173 }
174
175 static u32 ql_read_common_reg_l(struct ql3_adapter *qdev,
176                               u32 __iomem * reg)
177 {
178         u32 value;
179         unsigned long hw_flags;
180
181         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
182         value = readl(reg);
183         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
184
185         return value;
186 }
187
188 static u32 ql_read_common_reg(struct ql3_adapter *qdev,
189                               u32 __iomem * reg)
190 {
191         return readl(reg);
192 }
193
194 static u32 ql_read_page0_reg_l(struct ql3_adapter *qdev, u32 __iomem *reg)
195 {
196         u32 value;
197         unsigned long hw_flags;
198
199         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
200
201         if (qdev->current_page != 0)
202                 ql_set_register_page(qdev,0);
203         value = readl(reg);
204
205         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
206         return value;
207 }
208
209 static u32 ql_read_page0_reg(struct ql3_adapter *qdev, u32 __iomem *reg)
210 {
211         if (qdev->current_page != 0)
212                 ql_set_register_page(qdev,0);
213         return readl(reg);
214 }
215
216 static void ql_write_common_reg_l(struct ql3_adapter *qdev,
217                                 u32 __iomem *reg, u32 value)
218 {
219         unsigned long hw_flags;
220
221         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
222         writel(value, reg);
223         readl(reg);
224         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
225         return;
226 }
227
228 static void ql_write_common_reg(struct ql3_adapter *qdev,
229                                 u32 __iomem *reg, u32 value)
230 {
231         writel(value, reg);
232         readl(reg);
233         return;
234 }
235
236 static void ql_write_nvram_reg(struct ql3_adapter *qdev,
237                                 u32 __iomem *reg, u32 value)
238 {
239         writel(value, reg);
240         readl(reg);
241         udelay(1);
242         return;
243 }
244
245 static void ql_write_page0_reg(struct ql3_adapter *qdev,
246                                u32 __iomem *reg, u32 value)
247 {
248         if (qdev->current_page != 0)
249                 ql_set_register_page(qdev,0);
250         writel(value, reg);
251         readl(reg);
252         return;
253 }
254
255 /*
256  * Caller holds hw_lock. Only called during init.
257  */
258 static void ql_write_page1_reg(struct ql3_adapter *qdev,
259                                u32 __iomem *reg, u32 value)
260 {
261         if (qdev->current_page != 1)
262                 ql_set_register_page(qdev,1);
263         writel(value, reg);
264         readl(reg);
265         return;
266 }
267
268 /*
269  * Caller holds hw_lock. Only called during init.
270  */
271 static void ql_write_page2_reg(struct ql3_adapter *qdev,
272                                u32 __iomem *reg, u32 value)
273 {
274         if (qdev->current_page != 2)
275                 ql_set_register_page(qdev,2);
276         writel(value, reg);
277         readl(reg);
278         return;
279 }
280
281 static void ql_disable_interrupts(struct ql3_adapter *qdev)
282 {
283         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
284
285         ql_write_common_reg_l(qdev, &port_regs->CommonRegs.ispInterruptMaskReg,
286                             (ISP_IMR_ENABLE_INT << 16));
287
288 }
289
290 static void ql_enable_interrupts(struct ql3_adapter *qdev)
291 {
292         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
293
294         ql_write_common_reg_l(qdev, &port_regs->CommonRegs.ispInterruptMaskReg,
295                             ((0xff << 16) | ISP_IMR_ENABLE_INT));
296
297 }
298
299 static void ql_release_to_lrg_buf_free_list(struct ql3_adapter *qdev,
300                                             struct ql_rcv_buf_cb *lrg_buf_cb)
301 {
302         dma_addr_t map;
303         int err;
304         lrg_buf_cb->next = NULL;
305
306         if (qdev->lrg_buf_free_tail == NULL) {  /* The list is empty  */
307                 qdev->lrg_buf_free_head = qdev->lrg_buf_free_tail = lrg_buf_cb;
308         } else {
309                 qdev->lrg_buf_free_tail->next = lrg_buf_cb;
310                 qdev->lrg_buf_free_tail = lrg_buf_cb;
311         }
312
313         if (!lrg_buf_cb->skb) {
314                 lrg_buf_cb->skb = netdev_alloc_skb(qdev->ndev,
315                                                    qdev->lrg_buffer_len);
316                 if (unlikely(!lrg_buf_cb->skb)) {
317                         printk(KERN_ERR PFX "%s: failed netdev_alloc_skb().\n",
318                                qdev->ndev->name);
319                         qdev->lrg_buf_skb_check++;
320                 } else {
321                         /*
322                          * We save some space to copy the ethhdr from first
323                          * buffer
324                          */
325                         skb_reserve(lrg_buf_cb->skb, QL_HEADER_SPACE);
326                         map = pci_map_single(qdev->pdev,
327                                              lrg_buf_cb->skb->data,
328                                              qdev->lrg_buffer_len -
329                                              QL_HEADER_SPACE,
330                                              PCI_DMA_FROMDEVICE);
331                         err = pci_dma_mapping_error(map);
332                         if(err) {
333                                 printk(KERN_ERR "%s: PCI mapping failed with error: %d\n", 
334                                        qdev->ndev->name, err);
335                                 dev_kfree_skb(lrg_buf_cb->skb);
336                                 lrg_buf_cb->skb = NULL;
337
338                                 qdev->lrg_buf_skb_check++;
339                                 return;
340                         }
341
342                         lrg_buf_cb->buf_phy_addr_low =
343                             cpu_to_le32(LS_64BITS(map));
344                         lrg_buf_cb->buf_phy_addr_high =
345                             cpu_to_le32(MS_64BITS(map));
346                         pci_unmap_addr_set(lrg_buf_cb, mapaddr, map);
347                         pci_unmap_len_set(lrg_buf_cb, maplen,
348                                           qdev->lrg_buffer_len -
349                                           QL_HEADER_SPACE);
350                 }
351         }
352
353         qdev->lrg_buf_free_count++;
354 }
355
356 static struct ql_rcv_buf_cb *ql_get_from_lrg_buf_free_list(struct ql3_adapter
357                                                            *qdev)
358 {
359         struct ql_rcv_buf_cb *lrg_buf_cb;
360
361         if ((lrg_buf_cb = qdev->lrg_buf_free_head) != NULL) {
362                 if ((qdev->lrg_buf_free_head = lrg_buf_cb->next) == NULL)
363                         qdev->lrg_buf_free_tail = NULL;
364                 qdev->lrg_buf_free_count--;
365         }
366
367         return lrg_buf_cb;
368 }
369
370 static u32 addrBits = EEPROM_NO_ADDR_BITS;
371 static u32 dataBits = EEPROM_NO_DATA_BITS;
372
373 static void fm93c56a_deselect(struct ql3_adapter *qdev);
374 static void eeprom_readword(struct ql3_adapter *qdev, u32 eepromAddr,
375                             unsigned short *value);
376
377 /*
378  * Caller holds hw_lock.
379  */
380 static void fm93c56a_select(struct ql3_adapter *qdev)
381 {
382         struct ql3xxx_port_registers __iomem *port_regs =
383                         qdev->mem_map_registers;
384
385         qdev->eeprom_cmd_data = AUBURN_EEPROM_CS_1;
386         ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
387                             ISP_NVRAM_MASK | qdev->eeprom_cmd_data);
388         ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
389                             ((ISP_NVRAM_MASK << 16) | qdev->eeprom_cmd_data));
390 }
391
392 /*
393  * Caller holds hw_lock.
394  */
395 static void fm93c56a_cmd(struct ql3_adapter *qdev, u32 cmd, u32 eepromAddr)
396 {
397         int i;
398         u32 mask;
399         u32 dataBit;
400         u32 previousBit;
401         struct ql3xxx_port_registers __iomem *port_regs =
402                         qdev->mem_map_registers;
403
404         /* Clock in a zero, then do the start bit */
405         ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
406                             ISP_NVRAM_MASK | qdev->eeprom_cmd_data |
407                             AUBURN_EEPROM_DO_1);
408         ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
409                             ISP_NVRAM_MASK | qdev->
410                             eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
411                             AUBURN_EEPROM_CLK_RISE);
412         ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
413                             ISP_NVRAM_MASK | qdev->
414                             eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
415                             AUBURN_EEPROM_CLK_FALL);
416
417         mask = 1 << (FM93C56A_CMD_BITS - 1);
418         /* Force the previous data bit to be different */
419         previousBit = 0xffff;
420         for (i = 0; i < FM93C56A_CMD_BITS; i++) {
421                 dataBit =
422                     (cmd & mask) ? AUBURN_EEPROM_DO_1 : AUBURN_EEPROM_DO_0;
423                 if (previousBit != dataBit) {
424                         /*
425                          * If the bit changed, then change the DO state to
426                          * match
427                          */
428                         ql_write_nvram_reg(qdev,
429                                             &port_regs->CommonRegs.
430                                             serialPortInterfaceReg,
431                                             ISP_NVRAM_MASK | qdev->
432                                             eeprom_cmd_data | dataBit);
433                         previousBit = dataBit;
434                 }
435                 ql_write_nvram_reg(qdev,
436                                     &port_regs->CommonRegs.
437                                     serialPortInterfaceReg,
438                                     ISP_NVRAM_MASK | qdev->
439                                     eeprom_cmd_data | dataBit |
440                                     AUBURN_EEPROM_CLK_RISE);
441                 ql_write_nvram_reg(qdev,
442                                     &port_regs->CommonRegs.
443                                     serialPortInterfaceReg,
444                                     ISP_NVRAM_MASK | qdev->
445                                     eeprom_cmd_data | dataBit |
446                                     AUBURN_EEPROM_CLK_FALL);
447                 cmd = cmd << 1;
448         }
449
450         mask = 1 << (addrBits - 1);
451         /* Force the previous data bit to be different */
452         previousBit = 0xffff;
453         for (i = 0; i < addrBits; i++) {
454                 dataBit =
455                     (eepromAddr & mask) ? AUBURN_EEPROM_DO_1 :
456                     AUBURN_EEPROM_DO_0;
457                 if (previousBit != dataBit) {
458                         /*
459                          * If the bit changed, then change the DO state to
460                          * match
461                          */
462                         ql_write_nvram_reg(qdev,
463                                             &port_regs->CommonRegs.
464                                             serialPortInterfaceReg,
465                                             ISP_NVRAM_MASK | qdev->
466                                             eeprom_cmd_data | dataBit);
467                         previousBit = dataBit;
468                 }
469                 ql_write_nvram_reg(qdev,
470                                     &port_regs->CommonRegs.
471                                     serialPortInterfaceReg,
472                                     ISP_NVRAM_MASK | qdev->
473                                     eeprom_cmd_data | dataBit |
474                                     AUBURN_EEPROM_CLK_RISE);
475                 ql_write_nvram_reg(qdev,
476                                     &port_regs->CommonRegs.
477                                     serialPortInterfaceReg,
478                                     ISP_NVRAM_MASK | qdev->
479                                     eeprom_cmd_data | dataBit |
480                                     AUBURN_EEPROM_CLK_FALL);
481                 eepromAddr = eepromAddr << 1;
482         }
483 }
484
485 /*
486  * Caller holds hw_lock.
487  */
488 static void fm93c56a_deselect(struct ql3_adapter *qdev)
489 {
490         struct ql3xxx_port_registers __iomem *port_regs =
491                         qdev->mem_map_registers;
492         qdev->eeprom_cmd_data = AUBURN_EEPROM_CS_0;
493         ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
494                             ISP_NVRAM_MASK | qdev->eeprom_cmd_data);
495 }
496
497 /*
498  * Caller holds hw_lock.
499  */
500 static void fm93c56a_datain(struct ql3_adapter *qdev, unsigned short *value)
501 {
502         int i;
503         u32 data = 0;
504         u32 dataBit;
505         struct ql3xxx_port_registers __iomem *port_regs =
506                         qdev->mem_map_registers;
507
508         /* Read the data bits */
509         /* The first bit is a dummy.  Clock right over it. */
510         for (i = 0; i < dataBits; i++) {
511                 ql_write_nvram_reg(qdev,
512                                     &port_regs->CommonRegs.
513                                     serialPortInterfaceReg,
514                                     ISP_NVRAM_MASK | qdev->eeprom_cmd_data |
515                                     AUBURN_EEPROM_CLK_RISE);
516                 ql_write_nvram_reg(qdev,
517                                     &port_regs->CommonRegs.
518                                     serialPortInterfaceReg,
519                                     ISP_NVRAM_MASK | qdev->eeprom_cmd_data |
520                                     AUBURN_EEPROM_CLK_FALL);
521                 dataBit =
522                     (ql_read_common_reg
523                      (qdev,
524                       &port_regs->CommonRegs.
525                       serialPortInterfaceReg) & AUBURN_EEPROM_DI_1) ? 1 : 0;
526                 data = (data << 1) | dataBit;
527         }
528         *value = (u16) data;
529 }
530
531 /*
532  * Caller holds hw_lock.
533  */
534 static void eeprom_readword(struct ql3_adapter *qdev,
535                             u32 eepromAddr, unsigned short *value)
536 {
537         fm93c56a_select(qdev);
538         fm93c56a_cmd(qdev, (int)FM93C56A_READ, eepromAddr);
539         fm93c56a_datain(qdev, value);
540         fm93c56a_deselect(qdev);
541 }
542
543 static void ql_swap_mac_addr(u8 * macAddress)
544 {
545 #ifdef __BIG_ENDIAN
546         u8 temp;
547         temp = macAddress[0];
548         macAddress[0] = macAddress[1];
549         macAddress[1] = temp;
550         temp = macAddress[2];
551         macAddress[2] = macAddress[3];
552         macAddress[3] = temp;
553         temp = macAddress[4];
554         macAddress[4] = macAddress[5];
555         macAddress[5] = temp;
556 #endif
557 }
558
559 static int ql_get_nvram_params(struct ql3_adapter *qdev)
560 {
561         u16 *pEEPROMData;
562         u16 checksum = 0;
563         u32 index;
564         unsigned long hw_flags;
565
566         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
567
568         pEEPROMData = (u16 *) & qdev->nvram_data;
569         qdev->eeprom_cmd_data = 0;
570         if(ql_sem_spinlock(qdev, QL_NVRAM_SEM_MASK,
571                         (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
572                          2) << 10)) {
573                 printk(KERN_ERR PFX"%s: Failed ql_sem_spinlock().\n",
574                         __func__);
575                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
576                 return -1;
577         }
578
579         for (index = 0; index < EEPROM_SIZE; index++) {
580                 eeprom_readword(qdev, index, pEEPROMData);
581                 checksum += *pEEPROMData;
582                 pEEPROMData++;
583         }
584         ql_sem_unlock(qdev, QL_NVRAM_SEM_MASK);
585
586         if (checksum != 0) {
587                 printk(KERN_ERR PFX "%s: checksum should be zero, is %x!!\n",
588                        qdev->ndev->name, checksum);
589                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
590                 return -1;
591         }
592
593         /*
594          * We have a problem with endianness for the MAC addresses
595          * and the two 8-bit values version, and numPorts.  We
596          * have to swap them on big endian systems.
597          */
598         ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn0.macAddress);
599         ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn1.macAddress);
600         ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn2.macAddress);
601         ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn3.macAddress);
602         pEEPROMData = (u16 *) & qdev->nvram_data.version;
603         *pEEPROMData = le16_to_cpu(*pEEPROMData);
604
605         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
606         return checksum;
607 }
608
609 static const u32 PHYAddr[2] = {
610         PORT0_PHY_ADDRESS, PORT1_PHY_ADDRESS
611 };
612
613 static int ql_wait_for_mii_ready(struct ql3_adapter *qdev)
614 {
615         struct ql3xxx_port_registers __iomem *port_regs =
616                         qdev->mem_map_registers;
617         u32 temp;
618         int count = 1000;
619
620         while (count) {
621                 temp = ql_read_page0_reg(qdev, &port_regs->macMIIStatusReg);
622                 if (!(temp & MAC_MII_STATUS_BSY))
623                         return 0;
624                 udelay(10);
625                 count--;
626         }
627         return -1;
628 }
629
630 static void ql_mii_enable_scan_mode(struct ql3_adapter *qdev)
631 {
632         struct ql3xxx_port_registers __iomem *port_regs =
633                         qdev->mem_map_registers;
634         u32 scanControl;
635
636         if (qdev->numPorts > 1) {
637                 /* Auto scan will cycle through multiple ports */
638                 scanControl = MAC_MII_CONTROL_AS | MAC_MII_CONTROL_SC;
639         } else {
640                 scanControl = MAC_MII_CONTROL_SC;
641         }
642
643         /*
644          * Scan register 1 of PHY/PETBI,
645          * Set up to scan both devices
646          * The autoscan starts from the first register, completes
647          * the last one before rolling over to the first
648          */
649         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
650                            PHYAddr[0] | MII_SCAN_REGISTER);
651
652         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
653                            (scanControl) |
654                            ((MAC_MII_CONTROL_SC | MAC_MII_CONTROL_AS) << 16));
655 }
656
657 static u8 ql_mii_disable_scan_mode(struct ql3_adapter *qdev)
658 {
659         u8 ret;
660         struct ql3xxx_port_registers __iomem *port_regs =
661                                         qdev->mem_map_registers;
662
663         /* See if scan mode is enabled before we turn it off */
664         if (ql_read_page0_reg(qdev, &port_regs->macMIIMgmtControlReg) &
665             (MAC_MII_CONTROL_AS | MAC_MII_CONTROL_SC)) {
666                 /* Scan is enabled */
667                 ret = 1;
668         } else {
669                 /* Scan is disabled */
670                 ret = 0;
671         }
672
673         /*
674          * When disabling scan mode you must first change the MII register
675          * address
676          */
677         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
678                            PHYAddr[0] | MII_SCAN_REGISTER);
679
680         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
681                            ((MAC_MII_CONTROL_SC | MAC_MII_CONTROL_AS |
682                              MAC_MII_CONTROL_RC) << 16));
683
684         return ret;
685 }
686
687 static int ql_mii_write_reg_ex(struct ql3_adapter *qdev,
688                                u16 regAddr, u16 value, u32 phyAddr)
689 {
690         struct ql3xxx_port_registers __iomem *port_regs =
691                         qdev->mem_map_registers;
692         u8 scanWasEnabled;
693
694         scanWasEnabled = ql_mii_disable_scan_mode(qdev);
695
696         if (ql_wait_for_mii_ready(qdev)) {
697                 if (netif_msg_link(qdev))
698                         printk(KERN_WARNING PFX
699                                "%s Timed out waiting for management port to "
700                                "get free before issuing command.\n",
701                                qdev->ndev->name);
702                 return -1;
703         }
704
705         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
706                            phyAddr | regAddr);
707
708         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtDataReg, value);
709
710         /* Wait for write to complete 9/10/04 SJP */
711         if (ql_wait_for_mii_ready(qdev)) {
712                 if (netif_msg_link(qdev))
713                         printk(KERN_WARNING PFX
714                                "%s: Timed out waiting for management port to"
715                                "get free before issuing command.\n",
716                                qdev->ndev->name);
717                 return -1;
718         }
719
720         if (scanWasEnabled)
721                 ql_mii_enable_scan_mode(qdev);
722
723         return 0;
724 }
725
726 static int ql_mii_read_reg_ex(struct ql3_adapter *qdev, u16 regAddr,
727                               u16 * value, u32 phyAddr)
728 {
729         struct ql3xxx_port_registers __iomem *port_regs =
730                         qdev->mem_map_registers;
731         u8 scanWasEnabled;
732         u32 temp;
733
734         scanWasEnabled = ql_mii_disable_scan_mode(qdev);
735
736         if (ql_wait_for_mii_ready(qdev)) {
737                 if (netif_msg_link(qdev))
738                         printk(KERN_WARNING PFX
739                                "%s: Timed out waiting for management port to "
740                                "get free before issuing command.\n",
741                                qdev->ndev->name);
742                 return -1;
743         }
744
745         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
746                            phyAddr | regAddr);
747
748         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
749                            (MAC_MII_CONTROL_RC << 16));
750
751         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
752                            (MAC_MII_CONTROL_RC << 16) | MAC_MII_CONTROL_RC);
753
754         /* Wait for the read to complete */
755         if (ql_wait_for_mii_ready(qdev)) {
756                 if (netif_msg_link(qdev))
757                         printk(KERN_WARNING PFX
758                                "%s: Timed out waiting for management port to "
759                                "get free after issuing command.\n",
760                                qdev->ndev->name);
761                 return -1;
762         }
763
764         temp = ql_read_page0_reg(qdev, &port_regs->macMIIMgmtDataReg);
765         *value = (u16) temp;
766
767         if (scanWasEnabled)
768                 ql_mii_enable_scan_mode(qdev);
769
770         return 0;
771 }
772
773 static int ql_mii_write_reg(struct ql3_adapter *qdev, u16 regAddr, u16 value)
774 {
775         struct ql3xxx_port_registers __iomem *port_regs =
776                         qdev->mem_map_registers;
777
778         ql_mii_disable_scan_mode(qdev);
779
780         if (ql_wait_for_mii_ready(qdev)) {
781                 if (netif_msg_link(qdev))
782                         printk(KERN_WARNING PFX
783                                "%s: Timed out waiting for management port to "
784                                "get free before issuing command.\n",
785                                qdev->ndev->name);
786                 return -1;
787         }
788
789         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
790                            qdev->PHYAddr | regAddr);
791
792         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtDataReg, value);
793
794         /* Wait for write to complete. */
795         if (ql_wait_for_mii_ready(qdev)) {
796                 if (netif_msg_link(qdev))
797                         printk(KERN_WARNING PFX
798                                "%s: Timed out waiting for management port to "
799                                "get free before issuing command.\n",
800                                qdev->ndev->name);
801                 return -1;
802         }
803
804         ql_mii_enable_scan_mode(qdev);
805
806         return 0;
807 }
808
809 static int ql_mii_read_reg(struct ql3_adapter *qdev, u16 regAddr, u16 *value)
810 {
811         u32 temp;
812         struct ql3xxx_port_registers __iomem *port_regs =
813                         qdev->mem_map_registers;
814
815         ql_mii_disable_scan_mode(qdev);
816
817         if (ql_wait_for_mii_ready(qdev)) {
818                 if (netif_msg_link(qdev))
819                         printk(KERN_WARNING PFX
820                                "%s: Timed out waiting for management port to "
821                                "get free before issuing command.\n",
822                                qdev->ndev->name);
823                 return -1;
824         }
825
826         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
827                            qdev->PHYAddr | regAddr);
828
829         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
830                            (MAC_MII_CONTROL_RC << 16));
831
832         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
833                            (MAC_MII_CONTROL_RC << 16) | MAC_MII_CONTROL_RC);
834
835         /* Wait for the read to complete */
836         if (ql_wait_for_mii_ready(qdev)) {
837                 if (netif_msg_link(qdev))
838                         printk(KERN_WARNING PFX
839                                "%s: Timed out waiting for management port to "
840                                "get free before issuing command.\n",
841                                qdev->ndev->name);
842                 return -1;
843         }
844
845         temp = ql_read_page0_reg(qdev, &port_regs->macMIIMgmtDataReg);
846         *value = (u16) temp;
847
848         ql_mii_enable_scan_mode(qdev);
849
850         return 0;
851 }
852
853 static void ql_petbi_reset(struct ql3_adapter *qdev)
854 {
855         ql_mii_write_reg(qdev, PETBI_CONTROL_REG, PETBI_CTRL_SOFT_RESET);
856 }
857
858 static void ql_petbi_start_neg(struct ql3_adapter *qdev)
859 {
860         u16 reg;
861
862         /* Enable Auto-negotiation sense */
863         ql_mii_read_reg(qdev, PETBI_TBI_CTRL, &reg);
864         reg |= PETBI_TBI_AUTO_SENSE;
865         ql_mii_write_reg(qdev, PETBI_TBI_CTRL, reg);
866
867         ql_mii_write_reg(qdev, PETBI_NEG_ADVER,
868                          PETBI_NEG_PAUSE | PETBI_NEG_DUPLEX);
869
870         ql_mii_write_reg(qdev, PETBI_CONTROL_REG,
871                          PETBI_CTRL_AUTO_NEG | PETBI_CTRL_RESTART_NEG |
872                          PETBI_CTRL_FULL_DUPLEX | PETBI_CTRL_SPEED_1000);
873
874 }
875
876 static void ql_petbi_reset_ex(struct ql3_adapter *qdev)
877 {
878         ql_mii_write_reg_ex(qdev, PETBI_CONTROL_REG, PETBI_CTRL_SOFT_RESET,
879                             PHYAddr[qdev->mac_index]);
880 }
881
882 static void ql_petbi_start_neg_ex(struct ql3_adapter *qdev)
883 {
884         u16 reg;
885
886         /* Enable Auto-negotiation sense */
887         ql_mii_read_reg_ex(qdev, PETBI_TBI_CTRL, &reg, 
888                            PHYAddr[qdev->mac_index]);
889         reg |= PETBI_TBI_AUTO_SENSE;
890         ql_mii_write_reg_ex(qdev, PETBI_TBI_CTRL, reg, 
891                             PHYAddr[qdev->mac_index]);
892
893         ql_mii_write_reg_ex(qdev, PETBI_NEG_ADVER,
894                             PETBI_NEG_PAUSE | PETBI_NEG_DUPLEX, 
895                             PHYAddr[qdev->mac_index]);
896
897         ql_mii_write_reg_ex(qdev, PETBI_CONTROL_REG,
898                             PETBI_CTRL_AUTO_NEG | PETBI_CTRL_RESTART_NEG |
899                             PETBI_CTRL_FULL_DUPLEX | PETBI_CTRL_SPEED_1000,
900                             PHYAddr[qdev->mac_index]);
901 }
902
903 static void ql_petbi_init(struct ql3_adapter *qdev)
904 {
905         ql_petbi_reset(qdev);
906         ql_petbi_start_neg(qdev);
907 }
908
909 static void ql_petbi_init_ex(struct ql3_adapter *qdev)
910 {
911         ql_petbi_reset_ex(qdev);
912         ql_petbi_start_neg_ex(qdev);
913 }
914
915 static int ql_is_petbi_neg_pause(struct ql3_adapter *qdev)
916 {
917         u16 reg;
918
919         if (ql_mii_read_reg(qdev, PETBI_NEG_PARTNER, &reg) < 0)
920                 return 0;
921
922         return (reg & PETBI_NEG_PAUSE_MASK) == PETBI_NEG_PAUSE;
923 }
924
925 static void phyAgereSpecificInit(struct ql3_adapter *qdev, u32 miiAddr)
926 {
927         printk(KERN_INFO "%s: enabling Agere specific PHY\n", qdev->ndev->name);
928         /* power down device bit 11 = 1 */
929         ql_mii_write_reg_ex(qdev, 0x00, 0x1940, miiAddr);
930         /* enable diagnostic mode bit 2 = 1 */
931         ql_mii_write_reg_ex(qdev, 0x12, 0x840e, miiAddr);
932         /* 1000MB amplitude adjust (see Agere errata) */
933         ql_mii_write_reg_ex(qdev, 0x10, 0x8805, miiAddr);
934         /* 1000MB amplitude adjust (see Agere errata) */
935         ql_mii_write_reg_ex(qdev, 0x11, 0xf03e, miiAddr);
936         /* 100MB amplitude adjust (see Agere errata) */
937         ql_mii_write_reg_ex(qdev, 0x10, 0x8806, miiAddr);
938         /* 100MB amplitude adjust (see Agere errata) */
939         ql_mii_write_reg_ex(qdev, 0x11, 0x003e, miiAddr);
940         /* 10MB amplitude adjust (see Agere errata) */
941         ql_mii_write_reg_ex(qdev, 0x10, 0x8807, miiAddr);
942         /* 10MB amplitude adjust (see Agere errata) */
943         ql_mii_write_reg_ex(qdev, 0x11, 0x1f00, miiAddr);
944         /* point to hidden reg 0x2806 */
945         ql_mii_write_reg_ex(qdev, 0x10, 0x2806, miiAddr);
946         /* Write new PHYAD w/bit 5 set */
947         ql_mii_write_reg_ex(qdev, 0x11, 0x0020 | (PHYAddr[qdev->mac_index] >> 8), miiAddr);
948         /* 
949          * Disable diagnostic mode bit 2 = 0
950          * Power up device bit 11 = 0
951          * Link up (on) and activity (blink)
952          */
953         ql_mii_write_reg(qdev, 0x12, 0x840a);
954         ql_mii_write_reg(qdev, 0x00, 0x1140);
955         ql_mii_write_reg(qdev, 0x1c, 0xfaf0);
956 }
957
958 static PHY_DEVICE_et getPhyType (struct ql3_adapter *qdev, 
959                                  u16 phyIdReg0, u16 phyIdReg1)
960 {
961         PHY_DEVICE_et result = PHY_TYPE_UNKNOWN;
962         u32   oui;     
963         u16   model;
964         int i;   
965
966         if (phyIdReg0 == 0xffff) {
967                 return result;
968         }
969    
970         if (phyIdReg1 == 0xffff) {
971                 return result;
972         }
973
974         /* oui is split between two registers */
975         oui = (phyIdReg0 << 6) | ((phyIdReg1 & PHY_OUI_1_MASK) >> 10);
976
977         model = (phyIdReg1 & PHY_MODEL_MASK) >> 4;
978
979         /* Scan table for this PHY */
980         for(i = 0; i < MAX_PHY_DEV_TYPES; i++) {
981                 if ((oui == PHY_DEVICES[i].phyIdOUI) && (model == PHY_DEVICES[i].phyIdModel))
982                 {
983                         result = PHY_DEVICES[i].phyDevice;
984
985                         printk(KERN_INFO "%s: Phy: %s\n",
986                                 qdev->ndev->name, PHY_DEVICES[i].name);
987                         
988                         break;
989                 }
990         }
991
992         return result;
993 }
994
995 static int ql_phy_get_speed(struct ql3_adapter *qdev)
996 {
997         u16 reg;
998
999         switch(qdev->phyType) {
1000         case PHY_AGERE_ET1011C:
1001         {
1002                 if (ql_mii_read_reg(qdev, 0x1A, &reg) < 0)
1003                         return 0;
1004
1005                 reg = (reg >> 8) & 3;
1006                 break;
1007         }
1008         default:
1009         if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, &reg) < 0)
1010                 return 0;
1011
1012         reg = (((reg & 0x18) >> 3) & 3);
1013         }
1014
1015         switch(reg) {
1016                 case 2:
1017                 return SPEED_1000;
1018                 case 1:
1019                 return SPEED_100;
1020                 case 0:
1021                 return SPEED_10;
1022                 default:
1023                 return -1;
1024         }
1025 }
1026
1027 static int ql_is_full_dup(struct ql3_adapter *qdev)
1028 {
1029         u16 reg;
1030
1031         switch(qdev->phyType) {
1032         case PHY_AGERE_ET1011C:
1033         {
1034                 if (ql_mii_read_reg(qdev, 0x1A, &reg))
1035                         return 0;
1036                         
1037                 return ((reg & 0x0080) && (reg & 0x1000)) != 0;
1038         }
1039         case PHY_VITESSE_VSC8211:
1040         default:
1041         {
1042                 if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, &reg) < 0)
1043                         return 0;
1044                 return (reg & PHY_AUX_DUPLEX_STAT) != 0;
1045         }
1046         }
1047 }
1048
1049 static int ql_is_phy_neg_pause(struct ql3_adapter *qdev)
1050 {
1051         u16 reg;
1052
1053         if (ql_mii_read_reg(qdev, PHY_NEG_PARTNER, &reg) < 0)
1054                 return 0;
1055
1056         return (reg & PHY_NEG_PAUSE) != 0;
1057 }
1058
1059 static int PHY_Setup(struct ql3_adapter *qdev)
1060 {
1061         u16   reg1;
1062         u16   reg2;
1063         bool  agereAddrChangeNeeded = false;
1064         u32 miiAddr = 0;
1065         int err;
1066
1067         /*  Determine the PHY we are using by reading the ID's */
1068         err = ql_mii_read_reg(qdev, PHY_ID_0_REG, &reg1);
1069         if(err != 0) {
1070                 printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG\n",
1071                        qdev->ndev->name);
1072                 return err;
1073         }
1074
1075         err = ql_mii_read_reg(qdev, PHY_ID_1_REG, &reg2);
1076         if(err != 0) {
1077                 printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG\n",
1078                        qdev->ndev->name);
1079                 return err;
1080         }
1081
1082         /*  Check if we have a Agere PHY */
1083         if ((reg1 == 0xffff) || (reg2 == 0xffff)) {
1084
1085                 /* Determine which MII address we should be using 
1086                    determined by the index of the card */
1087                 if (qdev->mac_index == 0) {
1088                         miiAddr = MII_AGERE_ADDR_1;
1089                 } else {
1090                         miiAddr = MII_AGERE_ADDR_2;
1091                 }
1092       
1093                 err =ql_mii_read_reg_ex(qdev, PHY_ID_0_REG, &reg1, miiAddr);
1094                 if(err != 0) {
1095                         printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG after Agere detected\n",
1096                                qdev->ndev->name);
1097                         return err; 
1098                 }
1099
1100                 err = ql_mii_read_reg_ex(qdev, PHY_ID_1_REG, &reg2, miiAddr);
1101                 if(err != 0) {
1102                         printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG after Agere detected\n",
1103                                qdev->ndev->name);
1104                         return err;
1105                 }
1106    
1107                 /*  We need to remember to initialize the Agere PHY */
1108                 agereAddrChangeNeeded = true; 
1109         }
1110
1111         /*  Determine the particular PHY we have on board to apply
1112             PHY specific initializations */
1113         qdev->phyType = getPhyType(qdev, reg1, reg2);
1114
1115         if ((qdev->phyType == PHY_AGERE_ET1011C) && agereAddrChangeNeeded) {
1116                 /* need this here so address gets changed */
1117                 phyAgereSpecificInit(qdev, miiAddr);  
1118         } else if (qdev->phyType == PHY_TYPE_UNKNOWN) {
1119                 printk(KERN_ERR "%s: PHY is unknown\n", qdev->ndev->name);
1120                 return -EIO;
1121         }
1122
1123         return 0;
1124 }
1125
1126 /*
1127  * Caller holds hw_lock.
1128  */
1129 static void ql_mac_enable(struct ql3_adapter *qdev, u32 enable)
1130 {
1131         struct ql3xxx_port_registers __iomem *port_regs =
1132                         qdev->mem_map_registers;
1133         u32 value;
1134
1135         if (enable)
1136                 value = (MAC_CONFIG_REG_PE | (MAC_CONFIG_REG_PE << 16));
1137         else
1138                 value = (MAC_CONFIG_REG_PE << 16);
1139
1140         if (qdev->mac_index)
1141                 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1142         else
1143                 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1144 }
1145
1146 /*
1147  * Caller holds hw_lock.
1148  */
1149 static void ql_mac_cfg_soft_reset(struct ql3_adapter *qdev, u32 enable)
1150 {
1151         struct ql3xxx_port_registers __iomem *port_regs =
1152                         qdev->mem_map_registers;
1153         u32 value;
1154
1155         if (enable)
1156                 value = (MAC_CONFIG_REG_SR | (MAC_CONFIG_REG_SR << 16));
1157         else
1158                 value = (MAC_CONFIG_REG_SR << 16);
1159
1160         if (qdev->mac_index)
1161                 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1162         else
1163                 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1164 }
1165
1166 /*
1167  * Caller holds hw_lock.
1168  */
1169 static void ql_mac_cfg_gig(struct ql3_adapter *qdev, u32 enable)
1170 {
1171         struct ql3xxx_port_registers __iomem *port_regs =
1172                         qdev->mem_map_registers;
1173         u32 value;
1174
1175         if (enable)
1176                 value = (MAC_CONFIG_REG_GM | (MAC_CONFIG_REG_GM << 16));
1177         else
1178                 value = (MAC_CONFIG_REG_GM << 16);
1179
1180         if (qdev->mac_index)
1181                 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1182         else
1183                 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1184 }
1185
1186 /*
1187  * Caller holds hw_lock.
1188  */
1189 static void ql_mac_cfg_full_dup(struct ql3_adapter *qdev, u32 enable)
1190 {
1191         struct ql3xxx_port_registers __iomem *port_regs =
1192                         qdev->mem_map_registers;
1193         u32 value;
1194
1195         if (enable)
1196                 value = (MAC_CONFIG_REG_FD | (MAC_CONFIG_REG_FD << 16));
1197         else
1198                 value = (MAC_CONFIG_REG_FD << 16);
1199
1200         if (qdev->mac_index)
1201                 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1202         else
1203                 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1204 }
1205
1206 /*
1207  * Caller holds hw_lock.
1208  */
1209 static void ql_mac_cfg_pause(struct ql3_adapter *qdev, u32 enable)
1210 {
1211         struct ql3xxx_port_registers __iomem *port_regs =
1212                         qdev->mem_map_registers;
1213         u32 value;
1214
1215         if (enable)
1216                 value =
1217                     ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) |
1218                      ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) << 16));
1219         else
1220                 value = ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) << 16);
1221
1222         if (qdev->mac_index)
1223                 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1224         else
1225                 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1226 }
1227
1228 /*
1229  * Caller holds hw_lock.
1230  */
1231 static int ql_is_fiber(struct ql3_adapter *qdev)
1232 {
1233         struct ql3xxx_port_registers __iomem *port_regs =
1234                         qdev->mem_map_registers;
1235         u32 bitToCheck = 0;
1236         u32 temp;
1237
1238         switch (qdev->mac_index) {
1239         case 0:
1240                 bitToCheck = PORT_STATUS_SM0;
1241                 break;
1242         case 1:
1243                 bitToCheck = PORT_STATUS_SM1;
1244                 break;
1245         }
1246
1247         temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1248         return (temp & bitToCheck) != 0;
1249 }
1250
1251 static int ql_is_auto_cfg(struct ql3_adapter *qdev)
1252 {
1253         u16 reg;
1254         ql_mii_read_reg(qdev, 0x00, &reg);
1255         return (reg & 0x1000) != 0;
1256 }
1257
1258 /*
1259  * Caller holds hw_lock.
1260  */
1261 static int ql_is_auto_neg_complete(struct ql3_adapter *qdev)
1262 {
1263         struct ql3xxx_port_registers __iomem *port_regs =
1264                         qdev->mem_map_registers;
1265         u32 bitToCheck = 0;
1266         u32 temp;
1267
1268         switch (qdev->mac_index) {
1269         case 0:
1270                 bitToCheck = PORT_STATUS_AC0;
1271                 break;
1272         case 1:
1273                 bitToCheck = PORT_STATUS_AC1;
1274                 break;
1275         }
1276
1277         temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1278         if (temp & bitToCheck) {
1279                 if (netif_msg_link(qdev))
1280                         printk(KERN_INFO PFX
1281                                "%s: Auto-Negotiate complete.\n",
1282                                qdev->ndev->name);
1283                 return 1;
1284         } else {
1285                 if (netif_msg_link(qdev))
1286                         printk(KERN_WARNING PFX
1287                                "%s: Auto-Negotiate incomplete.\n",
1288                                qdev->ndev->name);
1289                 return 0;
1290         }
1291 }
1292
1293 /*
1294  *  ql_is_neg_pause() returns 1 if pause was negotiated to be on
1295  */
1296 static int ql_is_neg_pause(struct ql3_adapter *qdev)
1297 {
1298         if (ql_is_fiber(qdev))
1299                 return ql_is_petbi_neg_pause(qdev);
1300         else
1301                 return ql_is_phy_neg_pause(qdev);
1302 }
1303
1304 static int ql_auto_neg_error(struct ql3_adapter *qdev)
1305 {
1306         struct ql3xxx_port_registers __iomem *port_regs =
1307                         qdev->mem_map_registers;
1308         u32 bitToCheck = 0;
1309         u32 temp;
1310
1311         switch (qdev->mac_index) {
1312         case 0:
1313                 bitToCheck = PORT_STATUS_AE0;
1314                 break;
1315         case 1:
1316                 bitToCheck = PORT_STATUS_AE1;
1317                 break;
1318         }
1319         temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1320         return (temp & bitToCheck) != 0;
1321 }
1322
1323 static u32 ql_get_link_speed(struct ql3_adapter *qdev)
1324 {
1325         if (ql_is_fiber(qdev))
1326                 return SPEED_1000;
1327         else
1328                 return ql_phy_get_speed(qdev);
1329 }
1330
1331 static int ql_is_link_full_dup(struct ql3_adapter *qdev)
1332 {
1333         if (ql_is_fiber(qdev))
1334                 return 1;
1335         else
1336                 return ql_is_full_dup(qdev);
1337 }
1338
1339 /*
1340  * Caller holds hw_lock.
1341  */
1342 static int ql_link_down_detect(struct ql3_adapter *qdev)
1343 {
1344         struct ql3xxx_port_registers __iomem *port_regs =
1345                         qdev->mem_map_registers;
1346         u32 bitToCheck = 0;
1347         u32 temp;
1348
1349         switch (qdev->mac_index) {
1350         case 0:
1351                 bitToCheck = ISP_CONTROL_LINK_DN_0;
1352                 break;
1353         case 1:
1354                 bitToCheck = ISP_CONTROL_LINK_DN_1;
1355                 break;
1356         }
1357
1358         temp =
1359             ql_read_common_reg(qdev, &port_regs->CommonRegs.ispControlStatus);
1360         return (temp & bitToCheck) != 0;
1361 }
1362
1363 /*
1364  * Caller holds hw_lock.
1365  */
1366 static int ql_link_down_detect_clear(struct ql3_adapter *qdev)
1367 {
1368         struct ql3xxx_port_registers __iomem *port_regs =
1369                         qdev->mem_map_registers;
1370
1371         switch (qdev->mac_index) {
1372         case 0:
1373                 ql_write_common_reg(qdev,
1374                                     &port_regs->CommonRegs.ispControlStatus,
1375                                     (ISP_CONTROL_LINK_DN_0) |
1376                                     (ISP_CONTROL_LINK_DN_0 << 16));
1377                 break;
1378
1379         case 1:
1380                 ql_write_common_reg(qdev,
1381                                     &port_regs->CommonRegs.ispControlStatus,
1382                                     (ISP_CONTROL_LINK_DN_1) |
1383                                     (ISP_CONTROL_LINK_DN_1 << 16));
1384                 break;
1385
1386         default:
1387                 return 1;
1388         }
1389
1390         return 0;
1391 }
1392
1393 /*
1394  * Caller holds hw_lock.
1395  */
1396 static int ql_this_adapter_controls_port(struct ql3_adapter *qdev)
1397 {
1398         struct ql3xxx_port_registers __iomem *port_regs =
1399                         qdev->mem_map_registers;
1400         u32 bitToCheck = 0;
1401         u32 temp;
1402
1403         switch (qdev->mac_index) {
1404         case 0:
1405                 bitToCheck = PORT_STATUS_F1_ENABLED;
1406                 break;
1407         case 1:
1408                 bitToCheck = PORT_STATUS_F3_ENABLED;
1409                 break;
1410         default:
1411                 break;
1412         }
1413
1414         temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1415         if (temp & bitToCheck) {
1416                 if (netif_msg_link(qdev))
1417                         printk(KERN_DEBUG PFX
1418                                "%s: is not link master.\n", qdev->ndev->name);
1419                 return 0;
1420         } else {
1421                 if (netif_msg_link(qdev))
1422                         printk(KERN_DEBUG PFX
1423                                "%s: is link master.\n", qdev->ndev->name);
1424                 return 1;
1425         }
1426 }
1427
1428 static void ql_phy_reset_ex(struct ql3_adapter *qdev)
1429 {
1430         ql_mii_write_reg_ex(qdev, CONTROL_REG, PHY_CTRL_SOFT_RESET, 
1431                             PHYAddr[qdev->mac_index]);
1432 }
1433
1434 static void ql_phy_start_neg_ex(struct ql3_adapter *qdev)
1435 {
1436         u16 reg;
1437         u16 portConfiguration;
1438
1439         if(qdev->phyType == PHY_AGERE_ET1011C) {
1440                 /* turn off external loopback */
1441                 ql_mii_write_reg(qdev, 0x13, 0x0000); 
1442         }
1443
1444         if(qdev->mac_index == 0)
1445                 portConfiguration = qdev->nvram_data.macCfg_port0.portConfiguration;
1446         else
1447                 portConfiguration = qdev->nvram_data.macCfg_port1.portConfiguration;
1448
1449         /*  Some HBA's in the field are set to 0 and they need to
1450             be reinterpreted with a default value */
1451         if(portConfiguration == 0)
1452                 portConfiguration = PORT_CONFIG_DEFAULT;
1453
1454         /* Set the 1000 advertisements */
1455         ql_mii_read_reg_ex(qdev, PHY_GIG_CONTROL, &reg, 
1456                            PHYAddr[qdev->mac_index]);
1457         reg &= ~PHY_GIG_ALL_PARAMS;
1458
1459         if(portConfiguration & 
1460            PORT_CONFIG_FULL_DUPLEX_ENABLED &
1461            PORT_CONFIG_1000MB_SPEED) {
1462                 reg |= PHY_GIG_ADV_1000F;
1463         }
1464          
1465         if(portConfiguration & 
1466            PORT_CONFIG_HALF_DUPLEX_ENABLED &
1467            PORT_CONFIG_1000MB_SPEED) {
1468                 reg |= PHY_GIG_ADV_1000H;
1469         }
1470
1471         ql_mii_write_reg_ex(qdev, PHY_GIG_CONTROL, reg, 
1472                             PHYAddr[qdev->mac_index]);
1473
1474         /* Set the 10/100 & pause negotiation advertisements */
1475         ql_mii_read_reg_ex(qdev, PHY_NEG_ADVER, &reg,
1476                            PHYAddr[qdev->mac_index]);
1477         reg &= ~PHY_NEG_ALL_PARAMS;
1478
1479         if(portConfiguration & PORT_CONFIG_SYM_PAUSE_ENABLED)
1480                 reg |= PHY_NEG_ASY_PAUSE | PHY_NEG_SYM_PAUSE;
1481
1482         if(portConfiguration & PORT_CONFIG_FULL_DUPLEX_ENABLED) {
1483                 if(portConfiguration & PORT_CONFIG_100MB_SPEED)
1484                         reg |= PHY_NEG_ADV_100F;
1485                 
1486                 if(portConfiguration & PORT_CONFIG_10MB_SPEED)
1487                         reg |= PHY_NEG_ADV_10F;
1488         }
1489
1490         if(portConfiguration & PORT_CONFIG_HALF_DUPLEX_ENABLED) {
1491                 if(portConfiguration & PORT_CONFIG_100MB_SPEED)
1492                         reg |= PHY_NEG_ADV_100H;
1493                 
1494                 if(portConfiguration & PORT_CONFIG_10MB_SPEED)
1495                         reg |= PHY_NEG_ADV_10H;
1496         }
1497
1498         if(portConfiguration &
1499            PORT_CONFIG_1000MB_SPEED) {
1500                 reg |= 1;       
1501         }
1502
1503         ql_mii_write_reg_ex(qdev, PHY_NEG_ADVER, reg, 
1504                             PHYAddr[qdev->mac_index]);
1505
1506         ql_mii_read_reg_ex(qdev, CONTROL_REG, &reg, PHYAddr[qdev->mac_index]);
1507         
1508         ql_mii_write_reg_ex(qdev, CONTROL_REG, 
1509                             reg | PHY_CTRL_RESTART_NEG | PHY_CTRL_AUTO_NEG,
1510                             PHYAddr[qdev->mac_index]);
1511 }
1512
1513 static void ql_phy_init_ex(struct ql3_adapter *qdev)
1514 {
1515         ql_phy_reset_ex(qdev);
1516         PHY_Setup(qdev);
1517         ql_phy_start_neg_ex(qdev);
1518 }
1519
1520 /*
1521  * Caller holds hw_lock.
1522  */
1523 static u32 ql_get_link_state(struct ql3_adapter *qdev)
1524 {
1525         struct ql3xxx_port_registers __iomem *port_regs =
1526                         qdev->mem_map_registers;
1527         u32 bitToCheck = 0;
1528         u32 temp, linkState;
1529
1530         switch (qdev->mac_index) {
1531         case 0:
1532                 bitToCheck = PORT_STATUS_UP0;
1533                 break;
1534         case 1:
1535                 bitToCheck = PORT_STATUS_UP1;
1536                 break;
1537         }
1538         temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1539         if (temp & bitToCheck) {
1540                 linkState = LS_UP;
1541         } else {
1542                 linkState = LS_DOWN;
1543                 if (netif_msg_link(qdev))
1544                         printk(KERN_WARNING PFX
1545                                "%s: Link is down.\n", qdev->ndev->name);
1546         }
1547         return linkState;
1548 }
1549
1550 static int ql_port_start(struct ql3_adapter *qdev)
1551 {
1552         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1553                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1554                          2) << 7)) {
1555                 printk(KERN_ERR "%s: Could not get hw lock for GIO\n",
1556                        qdev->ndev->name);
1557                 return -1;
1558         }
1559
1560         if (ql_is_fiber(qdev)) {
1561                 ql_petbi_init(qdev);
1562         } else {
1563                 /* Copper port */
1564                 ql_phy_init_ex(qdev);
1565         }
1566
1567         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1568         return 0;
1569 }
1570
1571 static int ql_finish_auto_neg(struct ql3_adapter *qdev)
1572 {
1573
1574         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1575                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1576                          2) << 7))
1577                 return -1;
1578
1579         if (!ql_auto_neg_error(qdev)) {
1580                 if (test_bit(QL_LINK_MASTER,&qdev->flags)) {
1581                         /* configure the MAC */
1582                         if (netif_msg_link(qdev))
1583                                 printk(KERN_DEBUG PFX
1584                                        "%s: Configuring link.\n",
1585                                        qdev->ndev->
1586                                        name);
1587                         ql_mac_cfg_soft_reset(qdev, 1);
1588                         ql_mac_cfg_gig(qdev,
1589                                        (ql_get_link_speed
1590                                         (qdev) ==
1591                                         SPEED_1000));
1592                         ql_mac_cfg_full_dup(qdev,
1593                                             ql_is_link_full_dup
1594                                             (qdev));
1595                         ql_mac_cfg_pause(qdev,
1596                                          ql_is_neg_pause
1597                                          (qdev));
1598                         ql_mac_cfg_soft_reset(qdev, 0);
1599
1600                         /* enable the MAC */
1601                         if (netif_msg_link(qdev))
1602                                 printk(KERN_DEBUG PFX
1603                                        "%s: Enabling mac.\n",
1604                                        qdev->ndev->
1605                                                name);
1606                         ql_mac_enable(qdev, 1);
1607                 }
1608
1609                 if (netif_msg_link(qdev))
1610                         printk(KERN_DEBUG PFX
1611                                "%s: Change port_link_state LS_DOWN to LS_UP.\n",
1612                                qdev->ndev->name);
1613                 qdev->port_link_state = LS_UP;
1614                 netif_start_queue(qdev->ndev);
1615                 netif_carrier_on(qdev->ndev);
1616                 if (netif_msg_link(qdev))
1617                         printk(KERN_INFO PFX
1618                                "%s: Link is up at %d Mbps, %s duplex.\n",
1619                                qdev->ndev->name,
1620                                ql_get_link_speed(qdev),
1621                                ql_is_link_full_dup(qdev)
1622                                ? "full" : "half");
1623
1624         } else {        /* Remote error detected */
1625
1626                 if (test_bit(QL_LINK_MASTER,&qdev->flags)) {
1627                         if (netif_msg_link(qdev))
1628                                 printk(KERN_DEBUG PFX
1629                                        "%s: Remote error detected. "
1630                                        "Calling ql_port_start().\n",
1631                                        qdev->ndev->
1632                                        name);
1633                         /*
1634                          * ql_port_start() is shared code and needs
1635                          * to lock the PHY on it's own.
1636                          */
1637                         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1638                         if(ql_port_start(qdev)) {/* Restart port */
1639                                 return -1;
1640                         } else
1641                                 return 0;
1642                 }
1643         }
1644         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1645         return 0;
1646 }
1647
1648 static void ql_link_state_machine(struct ql3_adapter *qdev)
1649 {
1650         u32 curr_link_state;
1651         unsigned long hw_flags;
1652
1653         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1654
1655         curr_link_state = ql_get_link_state(qdev);
1656
1657         if (test_bit(QL_RESET_ACTIVE,&qdev->flags)) {
1658                 if (netif_msg_link(qdev))
1659                         printk(KERN_INFO PFX
1660                                "%s: Reset in progress, skip processing link "
1661                                "state.\n", qdev->ndev->name);
1662
1663                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);               
1664                 return;
1665         }
1666
1667         switch (qdev->port_link_state) {
1668         default:
1669                 if (test_bit(QL_LINK_MASTER,&qdev->flags)) {
1670                         ql_port_start(qdev);
1671                 }
1672                 qdev->port_link_state = LS_DOWN;
1673                 /* Fall Through */
1674
1675         case LS_DOWN:
1676                 if (netif_msg_link(qdev))
1677                         printk(KERN_DEBUG PFX
1678                                "%s: port_link_state = LS_DOWN.\n",
1679                                qdev->ndev->name);
1680                 if (curr_link_state == LS_UP) {
1681                         if (netif_msg_link(qdev))
1682                                 printk(KERN_DEBUG PFX
1683                                        "%s: curr_link_state = LS_UP.\n",
1684                                        qdev->ndev->name);
1685                         if (ql_is_auto_neg_complete(qdev))
1686                                 ql_finish_auto_neg(qdev);
1687
1688                         if (qdev->port_link_state == LS_UP)
1689                                 ql_link_down_detect_clear(qdev);
1690
1691                 }
1692                 break;
1693
1694         case LS_UP:
1695                 /*
1696                  * See if the link is currently down or went down and came
1697                  * back up
1698                  */
1699                 if ((curr_link_state == LS_DOWN) || ql_link_down_detect(qdev)) {
1700                         if (netif_msg_link(qdev))
1701                                 printk(KERN_INFO PFX "%s: Link is down.\n",
1702                                        qdev->ndev->name);
1703                         qdev->port_link_state = LS_DOWN;
1704                 }
1705                 break;
1706         }
1707         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1708 }
1709
1710 /*
1711  * Caller must take hw_lock and QL_PHY_GIO_SEM.
1712  */
1713 static void ql_get_phy_owner(struct ql3_adapter *qdev)
1714 {
1715         if (ql_this_adapter_controls_port(qdev))
1716                 set_bit(QL_LINK_MASTER,&qdev->flags);
1717         else
1718                 clear_bit(QL_LINK_MASTER,&qdev->flags);
1719 }
1720
1721 /*
1722  * Caller must take hw_lock and QL_PHY_GIO_SEM.
1723  */
1724 static void ql_init_scan_mode(struct ql3_adapter *qdev)
1725 {
1726         ql_mii_enable_scan_mode(qdev);
1727
1728         if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
1729                 if (ql_this_adapter_controls_port(qdev))
1730                         ql_petbi_init_ex(qdev);
1731         } else {
1732                 if (ql_this_adapter_controls_port(qdev))
1733                         ql_phy_init_ex(qdev);
1734         }
1735 }
1736
1737 /*
1738  * MII_Setup needs to be called before taking the PHY out of reset so that the
1739  * management interface clock speed can be set properly.  It would be better if
1740  * we had a way to disable MDC until after the PHY is out of reset, but we
1741  * don't have that capability.
1742  */
1743 static int ql_mii_setup(struct ql3_adapter *qdev)
1744 {
1745         u32 reg;
1746         struct ql3xxx_port_registers __iomem *port_regs =
1747                         qdev->mem_map_registers;
1748
1749         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1750                         (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1751                          2) << 7))
1752                 return -1;
1753
1754         if (qdev->device_id == QL3032_DEVICE_ID)
1755                 ql_write_page0_reg(qdev, 
1756                         &port_regs->macMIIMgmtControlReg, 0x0f00000);
1757
1758         /* Divide 125MHz clock by 28 to meet PHY timing requirements */
1759         reg = MAC_MII_CONTROL_CLK_SEL_DIV28;
1760
1761         ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
1762                            reg | ((MAC_MII_CONTROL_CLK_SEL_MASK) << 16));
1763
1764         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1765         return 0;
1766 }
1767
1768 static u32 ql_supported_modes(struct ql3_adapter *qdev)
1769 {
1770         u32 supported;
1771
1772         if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
1773                 supported = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE
1774                     | SUPPORTED_Autoneg;
1775         } else {
1776                 supported = SUPPORTED_10baseT_Half
1777                     | SUPPORTED_10baseT_Full
1778                     | SUPPORTED_100baseT_Half
1779                     | SUPPORTED_100baseT_Full
1780                     | SUPPORTED_1000baseT_Half
1781                     | SUPPORTED_1000baseT_Full
1782                     | SUPPORTED_Autoneg | SUPPORTED_TP;
1783         }
1784
1785         return supported;
1786 }
1787
1788 static int ql_get_auto_cfg_status(struct ql3_adapter *qdev)
1789 {
1790         int status;
1791         unsigned long hw_flags;
1792         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1793         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1794                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1795                          2) << 7)) {
1796                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1797                 return 0;
1798         }
1799         status = ql_is_auto_cfg(qdev);
1800         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1801         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1802         return status;
1803 }
1804
1805 static u32 ql_get_speed(struct ql3_adapter *qdev)
1806 {
1807         u32 status;
1808         unsigned long hw_flags;
1809         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1810         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1811                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1812                          2) << 7)) {
1813                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1814                 return 0;
1815         }
1816         status = ql_get_link_speed(qdev);
1817         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1818         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1819         return status;
1820 }
1821
1822 static int ql_get_full_dup(struct ql3_adapter *qdev)
1823 {
1824         int status;
1825         unsigned long hw_flags;
1826         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1827         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1828                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1829                          2) << 7)) {
1830                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1831                 return 0;
1832         }
1833         status = ql_is_link_full_dup(qdev);
1834         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1835         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1836         return status;
1837 }
1838
1839
1840 static int ql_get_settings(struct net_device *ndev, struct ethtool_cmd *ecmd)
1841 {
1842         struct ql3_adapter *qdev = netdev_priv(ndev);
1843
1844         ecmd->transceiver = XCVR_INTERNAL;
1845         ecmd->supported = ql_supported_modes(qdev);
1846
1847         if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
1848                 ecmd->port = PORT_FIBRE;
1849         } else {
1850                 ecmd->port = PORT_TP;
1851                 ecmd->phy_address = qdev->PHYAddr;
1852         }
1853         ecmd->advertising = ql_supported_modes(qdev);
1854         ecmd->autoneg = ql_get_auto_cfg_status(qdev);
1855         ecmd->speed = ql_get_speed(qdev);
1856         ecmd->duplex = ql_get_full_dup(qdev);
1857         return 0;
1858 }
1859
1860 static void ql_get_drvinfo(struct net_device *ndev,
1861                            struct ethtool_drvinfo *drvinfo)
1862 {
1863         struct ql3_adapter *qdev = netdev_priv(ndev);
1864         strncpy(drvinfo->driver, ql3xxx_driver_name, 32);
1865         strncpy(drvinfo->version, ql3xxx_driver_version, 32);
1866         strncpy(drvinfo->fw_version, "N/A", 32);
1867         strncpy(drvinfo->bus_info, pci_name(qdev->pdev), 32);
1868         drvinfo->regdump_len = 0;
1869         drvinfo->eedump_len = 0;
1870 }
1871
1872 static u32 ql_get_msglevel(struct net_device *ndev)
1873 {
1874         struct ql3_adapter *qdev = netdev_priv(ndev);
1875         return qdev->msg_enable;
1876 }
1877
1878 static void ql_set_msglevel(struct net_device *ndev, u32 value)
1879 {
1880         struct ql3_adapter *qdev = netdev_priv(ndev);
1881         qdev->msg_enable = value;
1882 }
1883
1884 static void ql_get_pauseparam(struct net_device *ndev,
1885                               struct ethtool_pauseparam *pause)
1886 {
1887         struct ql3_adapter *qdev = netdev_priv(ndev);
1888         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1889
1890         u32 reg;
1891         if(qdev->mac_index == 0)
1892                 reg = ql_read_page0_reg(qdev, &port_regs->mac0ConfigReg);
1893         else
1894                 reg = ql_read_page0_reg(qdev, &port_regs->mac1ConfigReg);
1895
1896         pause->autoneg  = ql_get_auto_cfg_status(qdev);
1897         pause->rx_pause = (reg & MAC_CONFIG_REG_RF) >> 2;
1898         pause->tx_pause = (reg & MAC_CONFIG_REG_TF) >> 1;
1899 }
1900
1901 static const struct ethtool_ops ql3xxx_ethtool_ops = {
1902         .get_settings = ql_get_settings,
1903         .get_drvinfo = ql_get_drvinfo,
1904         .get_link = ethtool_op_get_link,
1905         .get_msglevel = ql_get_msglevel,
1906         .set_msglevel = ql_set_msglevel,
1907         .get_pauseparam = ql_get_pauseparam,
1908 };
1909
1910 static int ql_populate_free_queue(struct ql3_adapter *qdev)
1911 {
1912         struct ql_rcv_buf_cb *lrg_buf_cb = qdev->lrg_buf_free_head;
1913         dma_addr_t map;
1914         int err;
1915
1916         while (lrg_buf_cb) {
1917                 if (!lrg_buf_cb->skb) {
1918                         lrg_buf_cb->skb = netdev_alloc_skb(qdev->ndev,
1919                                                            qdev->lrg_buffer_len);
1920                         if (unlikely(!lrg_buf_cb->skb)) {
1921                                 printk(KERN_DEBUG PFX
1922                                        "%s: Failed netdev_alloc_skb().\n",
1923                                        qdev->ndev->name);
1924                                 break;
1925                         } else {
1926                                 /*
1927                                  * We save some space to copy the ethhdr from
1928                                  * first buffer
1929                                  */
1930                                 skb_reserve(lrg_buf_cb->skb, QL_HEADER_SPACE);
1931                                 map = pci_map_single(qdev->pdev,
1932                                                      lrg_buf_cb->skb->data,
1933                                                      qdev->lrg_buffer_len -
1934                                                      QL_HEADER_SPACE,
1935                                                      PCI_DMA_FROMDEVICE);
1936
1937                                 err = pci_dma_mapping_error(map);
1938                                 if(err) {
1939                                         printk(KERN_ERR "%s: PCI mapping failed with error: %d\n", 
1940                                                qdev->ndev->name, err);
1941                                         dev_kfree_skb(lrg_buf_cb->skb);
1942                                         lrg_buf_cb->skb = NULL;
1943                                         break;
1944                                 }
1945
1946
1947                                 lrg_buf_cb->buf_phy_addr_low =
1948                                     cpu_to_le32(LS_64BITS(map));
1949                                 lrg_buf_cb->buf_phy_addr_high =
1950                                     cpu_to_le32(MS_64BITS(map));
1951                                 pci_unmap_addr_set(lrg_buf_cb, mapaddr, map);
1952                                 pci_unmap_len_set(lrg_buf_cb, maplen,
1953                                                   qdev->lrg_buffer_len -
1954                                                   QL_HEADER_SPACE);
1955                                 --qdev->lrg_buf_skb_check;
1956                                 if (!qdev->lrg_buf_skb_check)
1957                                         return 1;
1958                         }
1959                 }
1960                 lrg_buf_cb = lrg_buf_cb->next;
1961         }
1962         return 0;
1963 }
1964
1965 /*
1966  * Caller holds hw_lock.
1967  */
1968 static void ql_update_small_bufq_prod_index(struct ql3_adapter *qdev)
1969 {
1970         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1971         if (qdev->small_buf_release_cnt >= 16) {
1972                 while (qdev->small_buf_release_cnt >= 16) {
1973                         qdev->small_buf_q_producer_index++;
1974
1975                         if (qdev->small_buf_q_producer_index ==
1976                             NUM_SBUFQ_ENTRIES)
1977                                 qdev->small_buf_q_producer_index = 0;
1978                         qdev->small_buf_release_cnt -= 8;
1979                 }
1980                 wmb();
1981                 writel(qdev->small_buf_q_producer_index,
1982                         &port_regs->CommonRegs.rxSmallQProducerIndex);
1983         }
1984 }
1985
1986 /*
1987  * Caller holds hw_lock.
1988  */
1989 static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev)
1990 {
1991         struct bufq_addr_element *lrg_buf_q_ele;
1992         int i;
1993         struct ql_rcv_buf_cb *lrg_buf_cb;
1994         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1995
1996         if ((qdev->lrg_buf_free_count >= 8)
1997             && (qdev->lrg_buf_release_cnt >= 16)) {
1998
1999                 if (qdev->lrg_buf_skb_check)
2000                         if (!ql_populate_free_queue(qdev))
2001                                 return;
2002
2003                 lrg_buf_q_ele = qdev->lrg_buf_next_free;
2004
2005                 while ((qdev->lrg_buf_release_cnt >= 16)
2006                        && (qdev->lrg_buf_free_count >= 8)) {
2007
2008                         for (i = 0; i < 8; i++) {
2009                                 lrg_buf_cb =
2010                                     ql_get_from_lrg_buf_free_list(qdev);
2011                                 lrg_buf_q_ele->addr_high =
2012                                     lrg_buf_cb->buf_phy_addr_high;
2013                                 lrg_buf_q_ele->addr_low =
2014                                     lrg_buf_cb->buf_phy_addr_low;
2015                                 lrg_buf_q_ele++;
2016
2017                                 qdev->lrg_buf_release_cnt--;
2018                         }
2019
2020                         qdev->lrg_buf_q_producer_index++;
2021
2022                         if (qdev->lrg_buf_q_producer_index == qdev->num_lbufq_entries)
2023                                 qdev->lrg_buf_q_producer_index = 0;
2024
2025                         if (qdev->lrg_buf_q_producer_index ==
2026                             (qdev->num_lbufq_entries - 1)) {
2027                                 lrg_buf_q_ele = qdev->lrg_buf_q_virt_addr;
2028                         }
2029                 }
2030                 wmb();
2031                 qdev->lrg_buf_next_free = lrg_buf_q_ele;
2032                 writel(qdev->lrg_buf_q_producer_index,
2033                         &port_regs->CommonRegs.rxLargeQProducerIndex);
2034         }
2035 }
2036
2037 static void ql_process_mac_tx_intr(struct ql3_adapter *qdev,
2038                                    struct ob_mac_iocb_rsp *mac_rsp)
2039 {
2040         struct ql_tx_buf_cb *tx_cb;
2041         int i;
2042         int retval = 0;
2043
2044         if(mac_rsp->flags & OB_MAC_IOCB_RSP_S) {
2045                 printk(KERN_WARNING "Frame short but, frame was padded and sent.\n");
2046         }
2047         
2048         tx_cb = &qdev->tx_buf[mac_rsp->transaction_id];
2049
2050         /*  Check the transmit response flags for any errors */
2051         if(mac_rsp->flags & OB_MAC_IOCB_RSP_S) {
2052                 printk(KERN_ERR "Frame too short to be legal, frame not sent.\n");
2053
2054                 qdev->ndev->stats.tx_errors++;
2055                 retval = -EIO;
2056                 goto frame_not_sent;
2057         }
2058
2059         if(tx_cb->seg_count == 0) {
2060                 printk(KERN_ERR "tx_cb->seg_count == 0: %d\n", mac_rsp->transaction_id);
2061
2062                 qdev->ndev->stats.tx_errors++;
2063                 retval = -EIO;
2064                 goto invalid_seg_count;
2065         }
2066
2067         pci_unmap_single(qdev->pdev,
2068                          pci_unmap_addr(&tx_cb->map[0], mapaddr),
2069                          pci_unmap_len(&tx_cb->map[0], maplen),
2070                          PCI_DMA_TODEVICE);
2071         tx_cb->seg_count--;
2072         if (tx_cb->seg_count) {
2073                 for (i = 1; i < tx_cb->seg_count; i++) {
2074                         pci_unmap_page(qdev->pdev,
2075                                        pci_unmap_addr(&tx_cb->map[i],
2076                                                       mapaddr),
2077                                        pci_unmap_len(&tx_cb->map[i], maplen),
2078                                        PCI_DMA_TODEVICE);
2079                 }
2080         }
2081         qdev->ndev->stats.tx_packets++;
2082         qdev->ndev->stats.tx_bytes += tx_cb->skb->len;
2083
2084 frame_not_sent:
2085         dev_kfree_skb_irq(tx_cb->skb);
2086         tx_cb->skb = NULL;
2087
2088 invalid_seg_count:
2089         atomic_inc(&qdev->tx_count);
2090 }
2091
2092 static void ql_get_sbuf(struct ql3_adapter *qdev)
2093 {
2094         if (++qdev->small_buf_index == NUM_SMALL_BUFFERS)
2095                 qdev->small_buf_index = 0;
2096         qdev->small_buf_release_cnt++;
2097 }
2098
2099 static struct ql_rcv_buf_cb *ql_get_lbuf(struct ql3_adapter *qdev)
2100 {
2101         struct ql_rcv_buf_cb *lrg_buf_cb = NULL;
2102         lrg_buf_cb = &qdev->lrg_buf[qdev->lrg_buf_index];
2103         qdev->lrg_buf_release_cnt++;
2104         if (++qdev->lrg_buf_index == qdev->num_large_buffers)
2105                 qdev->lrg_buf_index = 0;
2106         return(lrg_buf_cb);
2107 }
2108
2109 /*
2110  * The difference between 3022 and 3032 for inbound completions:
2111  * 3022 uses two buffers per completion.  The first buffer contains 
2112  * (some) header info, the second the remainder of the headers plus 
2113  * the data.  For this chip we reserve some space at the top of the 
2114  * receive buffer so that the header info in buffer one can be 
2115  * prepended to the buffer two.  Buffer two is the sent up while 
2116  * buffer one is returned to the hardware to be reused.
2117  * 3032 receives all of it's data and headers in one buffer for a 
2118  * simpler process.  3032 also supports checksum verification as
2119  * can be seen in ql_process_macip_rx_intr().
2120  */
2121 static void ql_process_mac_rx_intr(struct ql3_adapter *qdev,
2122                                    struct ib_mac_iocb_rsp *ib_mac_rsp_ptr)
2123 {
2124         struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL;
2125         struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL;
2126         struct sk_buff *skb;
2127         u16 length = le16_to_cpu(ib_mac_rsp_ptr->length);
2128
2129         /*
2130          * Get the inbound address list (small buffer).
2131          */
2132         ql_get_sbuf(qdev);
2133
2134         if (qdev->device_id == QL3022_DEVICE_ID)
2135                 lrg_buf_cb1 = ql_get_lbuf(qdev);
2136
2137         /* start of second buffer */
2138         lrg_buf_cb2 = ql_get_lbuf(qdev);
2139         skb = lrg_buf_cb2->skb;
2140
2141         qdev->ndev->stats.rx_packets++;
2142         qdev->ndev->stats.rx_bytes += length;
2143
2144         skb_put(skb, length);
2145         pci_unmap_single(qdev->pdev,
2146                          pci_unmap_addr(lrg_buf_cb2, mapaddr),
2147                          pci_unmap_len(lrg_buf_cb2, maplen),
2148                          PCI_DMA_FROMDEVICE);
2149         prefetch(skb->data);
2150         skb->ip_summed = CHECKSUM_NONE;
2151         skb->protocol = eth_type_trans(skb, qdev->ndev);
2152
2153         netif_receive_skb(skb);
2154         qdev->ndev->last_rx = jiffies;
2155         lrg_buf_cb2->skb = NULL;
2156
2157         if (qdev->device_id == QL3022_DEVICE_ID)
2158                 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb1);
2159         ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb2);
2160 }
2161
2162 static void ql_process_macip_rx_intr(struct ql3_adapter *qdev,
2163                                      struct ib_ip_iocb_rsp *ib_ip_rsp_ptr)
2164 {
2165         struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL;
2166         struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL;
2167         struct sk_buff *skb1 = NULL, *skb2;
2168         struct net_device *ndev = qdev->ndev;
2169         u16 length = le16_to_cpu(ib_ip_rsp_ptr->length);
2170         u16 size = 0;
2171
2172         /*
2173          * Get the inbound address list (small buffer).
2174          */
2175
2176         ql_get_sbuf(qdev);
2177
2178         if (qdev->device_id == QL3022_DEVICE_ID) {
2179                 /* start of first buffer on 3022 */
2180                 lrg_buf_cb1 = ql_get_lbuf(qdev);
2181                 skb1 = lrg_buf_cb1->skb;
2182                 size = ETH_HLEN;
2183                 if (*((u16 *) skb1->data) != 0xFFFF)
2184                         size += VLAN_ETH_HLEN - ETH_HLEN;
2185         }
2186
2187         /* start of second buffer */
2188         lrg_buf_cb2 = ql_get_lbuf(qdev);
2189         skb2 = lrg_buf_cb2->skb;
2190
2191         skb_put(skb2, length);  /* Just the second buffer length here. */
2192         pci_unmap_single(qdev->pdev,
2193                          pci_unmap_addr(lrg_buf_cb2, mapaddr),
2194                          pci_unmap_len(lrg_buf_cb2, maplen),
2195                          PCI_DMA_FROMDEVICE);
2196         prefetch(skb2->data);
2197
2198         skb2->ip_summed = CHECKSUM_NONE;
2199         if (qdev->device_id == QL3022_DEVICE_ID) {
2200                 /*
2201                  * Copy the ethhdr from first buffer to second. This
2202                  * is necessary for 3022 IP completions.
2203                  */
2204                 skb_copy_from_linear_data_offset(skb1, VLAN_ID_LEN,
2205                                                  skb_push(skb2, size), size);
2206         } else {
2207                 u16 checksum = le16_to_cpu(ib_ip_rsp_ptr->checksum);
2208                 if (checksum & 
2209                         (IB_IP_IOCB_RSP_3032_ICE | 
2210                          IB_IP_IOCB_RSP_3032_CE)) { 
2211                         printk(KERN_ERR
2212                                "%s: Bad checksum for this %s packet, checksum = %x.\n",
2213                                __func__,
2214                                ((checksum & 
2215                                 IB_IP_IOCB_RSP_3032_TCP) ? "TCP" :
2216                                 "UDP"),checksum);
2217                 } else if ((checksum & IB_IP_IOCB_RSP_3032_TCP) ||
2218                                 (checksum & IB_IP_IOCB_RSP_3032_UDP &&
2219                                 !(checksum & IB_IP_IOCB_RSP_3032_NUC))) {
2220                         skb2->ip_summed = CHECKSUM_UNNECESSARY;
2221                 }
2222         }
2223         skb2->protocol = eth_type_trans(skb2, qdev->ndev);
2224
2225         netif_receive_skb(skb2);
2226         ndev->stats.rx_packets++;
2227         ndev->stats.rx_bytes += length;
2228         ndev->last_rx = jiffies;
2229         lrg_buf_cb2->skb = NULL;
2230
2231         if (qdev->device_id == QL3022_DEVICE_ID)
2232                 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb1);
2233         ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb2);
2234 }
2235
2236 static int ql_tx_rx_clean(struct ql3_adapter *qdev,
2237                           int *tx_cleaned, int *rx_cleaned, int work_to_do)
2238 {
2239         struct net_rsp_iocb *net_rsp;
2240         struct net_device *ndev = qdev->ndev;
2241         int work_done = 0;
2242
2243         /* While there are entries in the completion queue. */
2244         while ((le32_to_cpu(*(qdev->prsp_producer_index)) !=
2245                 qdev->rsp_consumer_index) && (work_done < work_to_do)) {
2246
2247                 net_rsp = qdev->rsp_current;
2248                 rmb();
2249                 /*
2250                  * Fix 4032 chipe undocumented "feature" where bit-8 is set if the
2251                  * inbound completion is for a VLAN.
2252                  */
2253                 if (qdev->device_id == QL3032_DEVICE_ID)
2254                         net_rsp->opcode &= 0x7f;
2255                 switch (net_rsp->opcode) {
2256
2257                 case OPCODE_OB_MAC_IOCB_FN0:
2258                 case OPCODE_OB_MAC_IOCB_FN2:
2259                         ql_process_mac_tx_intr(qdev, (struct ob_mac_iocb_rsp *)
2260                                                net_rsp);
2261                         (*tx_cleaned)++;
2262                         break;
2263
2264                 case OPCODE_IB_MAC_IOCB:
2265                 case OPCODE_IB_3032_MAC_IOCB:
2266                         ql_process_mac_rx_intr(qdev, (struct ib_mac_iocb_rsp *)
2267                                                net_rsp);
2268                         (*rx_cleaned)++;
2269                         break;
2270
2271                 case OPCODE_IB_IP_IOCB:
2272                 case OPCODE_IB_3032_IP_IOCB:
2273                         ql_process_macip_rx_intr(qdev, (struct ib_ip_iocb_rsp *)
2274                                                  net_rsp);
2275                         (*rx_cleaned)++;
2276                         break;
2277                 default:
2278                         {
2279                                 u32 *tmp = (u32 *) net_rsp;
2280                                 printk(KERN_ERR PFX
2281                                        "%s: Hit default case, not "
2282                                        "handled!\n"
2283                                        "        dropping the packet, opcode = "
2284                                        "%x.\n",
2285                                        ndev->name, net_rsp->opcode);
2286                                 printk(KERN_ERR PFX
2287                                        "0x%08lx 0x%08lx 0x%08lx 0x%08lx \n",
2288                                        (unsigned long int)tmp[0],
2289                                        (unsigned long int)tmp[1],
2290                                        (unsigned long int)tmp[2],
2291                                        (unsigned long int)tmp[3]);
2292                         }
2293                 }
2294
2295                 qdev->rsp_consumer_index++;
2296
2297                 if (qdev->rsp_consumer_index == NUM_RSP_Q_ENTRIES) {
2298                         qdev->rsp_consumer_index = 0;
2299                         qdev->rsp_current = qdev->rsp_q_virt_addr;
2300                 } else {
2301                         qdev->rsp_current++;
2302                 }
2303
2304                 work_done = *tx_cleaned + *rx_cleaned;
2305         }
2306
2307         return work_done;
2308 }
2309
2310 static int ql_poll(struct napi_struct *napi, int budget)
2311 {
2312         struct ql3_adapter *qdev = container_of(napi, struct ql3_adapter, napi);
2313         struct net_device *ndev = qdev->ndev;
2314         int rx_cleaned = 0, tx_cleaned = 0;
2315         unsigned long hw_flags;
2316         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2317
2318         if (!netif_carrier_ok(ndev))
2319                 goto quit_polling;
2320
2321         ql_tx_rx_clean(qdev, &tx_cleaned, &rx_cleaned, budget);
2322
2323         if (tx_cleaned + rx_cleaned != budget ||
2324             !netif_running(ndev)) {
2325 quit_polling:
2326                 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
2327                 __netif_rx_complete(ndev, napi);
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         }
2336         return tx_cleaned + rx_cleaned;
2337 }
2338
2339 static irqreturn_t ql3xxx_isr(int irq, void *dev_id)
2340 {
2341
2342         struct net_device *ndev = dev_id;
2343         struct ql3_adapter *qdev = netdev_priv(ndev);
2344         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2345         u32 value;
2346         int handled = 1;
2347         u32 var;
2348
2349         port_regs = qdev->mem_map_registers;
2350
2351         value =
2352             ql_read_common_reg_l(qdev, &port_regs->CommonRegs.ispControlStatus);
2353
2354         if (value & (ISP_CONTROL_FE | ISP_CONTROL_RI)) {
2355                 spin_lock(&qdev->adapter_lock);
2356                 netif_stop_queue(qdev->ndev);
2357                 netif_carrier_off(qdev->ndev);
2358                 ql_disable_interrupts(qdev);
2359                 qdev->port_link_state = LS_DOWN;
2360                 set_bit(QL_RESET_ACTIVE,&qdev->flags) ;
2361
2362                 if (value & ISP_CONTROL_FE) {
2363                         /*
2364                          * Chip Fatal Error.
2365                          */
2366                         var =
2367                             ql_read_page0_reg_l(qdev,
2368                                               &port_regs->PortFatalErrStatus);
2369                         printk(KERN_WARNING PFX
2370                                "%s: Resetting chip. PortFatalErrStatus "
2371                                "register = 0x%x\n", ndev->name, var);
2372                         set_bit(QL_RESET_START,&qdev->flags) ;
2373                 } else {
2374                         /*
2375                          * Soft Reset Requested.
2376                          */
2377                         set_bit(QL_RESET_PER_SCSI,&qdev->flags) ;
2378                         printk(KERN_ERR PFX
2379                                "%s: Another function issued a reset to the "
2380                                "chip. ISR value = %x.\n", ndev->name, value);
2381                 }
2382                 queue_delayed_work(qdev->workqueue, &qdev->reset_work, 0);
2383                 spin_unlock(&qdev->adapter_lock);
2384         } else if (value & ISP_IMR_DISABLE_CMPL_INT) {
2385                 ql_disable_interrupts(qdev);
2386                 if (likely(netif_rx_schedule_prep(ndev, &qdev->napi))) {
2387                         __netif_rx_schedule(ndev, &qdev->napi);
2388                 }
2389         } else {
2390                 return IRQ_NONE;
2391         }
2392
2393         return IRQ_RETVAL(handled);
2394 }
2395
2396 /*
2397  * Get the total number of segments needed for the 
2398  * given number of fragments.  This is necessary because
2399  * outbound address lists (OAL) will be used when more than
2400  * two frags are given.  Each address list has 5 addr/len 
2401  * pairs.  The 5th pair in each AOL is used to  point to
2402  * the next AOL if more frags are coming.  
2403  * That is why the frags:segment count  ratio is not linear.
2404  */
2405 static int ql_get_seg_count(struct ql3_adapter *qdev,
2406                             unsigned short frags)
2407 {
2408         if (qdev->device_id == QL3022_DEVICE_ID)
2409                 return 1;
2410
2411         switch(frags) {
2412         case 0: return 1;       /* just the skb->data seg */
2413         case 1: return 2;       /* skb->data + 1 frag */
2414         case 2: return 3;       /* skb->data + 2 frags */
2415         case 3: return 5;       /* skb->data + 1 frag + 1 AOL containting 2 frags */
2416         case 4: return 6;
2417         case 5: return 7;
2418         case 6: return 8;
2419         case 7: return 10;
2420         case 8: return 11;
2421         case 9: return 12;
2422         case 10: return 13;
2423         case 11: return 15;
2424         case 12: return 16;
2425         case 13: return 17;
2426         case 14: return 18;
2427         case 15: return 20;
2428         case 16: return 21;
2429         case 17: return 22;
2430         case 18: return 23;
2431         }
2432         return -1;
2433 }
2434
2435 static void ql_hw_csum_setup(const struct sk_buff *skb,
2436                              struct ob_mac_iocb_req *mac_iocb_ptr)
2437 {
2438         const struct iphdr *ip = ip_hdr(skb);
2439
2440         mac_iocb_ptr->ip_hdr_off = skb_network_offset(skb);
2441         mac_iocb_ptr->ip_hdr_len = ip->ihl;
2442
2443         if (ip->protocol == IPPROTO_TCP) {
2444                 mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_TC |
2445                         OB_3032MAC_IOCB_REQ_IC;
2446         } else {
2447                 mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_UC |
2448                         OB_3032MAC_IOCB_REQ_IC;
2449         }
2450
2451 }
2452
2453 /*
2454  * Map the buffers for this transmit.  This will return
2455  * NETDEV_TX_BUSY or NETDEV_TX_OK based on success.
2456  */
2457 static int ql_send_map(struct ql3_adapter *qdev,
2458                                 struct ob_mac_iocb_req *mac_iocb_ptr,
2459                                 struct ql_tx_buf_cb *tx_cb,
2460                                 struct sk_buff *skb)
2461 {
2462         struct oal *oal;
2463         struct oal_entry *oal_entry;
2464         int len = skb_headlen(skb);
2465         dma_addr_t map;
2466         int err;
2467         int completed_segs, i;
2468         int seg_cnt, seg = 0;
2469         int frag_cnt = (int)skb_shinfo(skb)->nr_frags;
2470
2471         seg_cnt = tx_cb->seg_count;
2472         /*
2473          * Map the skb buffer first.
2474          */
2475         map = pci_map_single(qdev->pdev, skb->data, len, PCI_DMA_TODEVICE);
2476
2477         err = pci_dma_mapping_error(map);
2478         if(err) {
2479                 printk(KERN_ERR "%s: PCI mapping failed with error: %d\n", 
2480                        qdev->ndev->name, err);
2481
2482                 return NETDEV_TX_BUSY;
2483         }
2484         
2485         oal_entry = (struct oal_entry *)&mac_iocb_ptr->buf_addr0_low;
2486         oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2487         oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2488         oal_entry->len = cpu_to_le32(len);
2489         pci_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
2490         pci_unmap_len_set(&tx_cb->map[seg], maplen, len);
2491         seg++;
2492
2493         if (seg_cnt == 1) {
2494                 /* Terminate the last segment. */
2495                 oal_entry->len =
2496                     cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY);
2497         } else {
2498                 oal = tx_cb->oal;
2499                 for (completed_segs=0; completed_segs<frag_cnt; completed_segs++,seg++) {
2500                         skb_frag_t *frag = &skb_shinfo(skb)->frags[completed_segs];
2501                         oal_entry++;
2502                         if ((seg == 2 && seg_cnt > 3) ||        /* Check for continuation */
2503                             (seg == 7 && seg_cnt > 8) ||        /* requirements. It's strange */
2504                             (seg == 12 && seg_cnt > 13) ||      /* but necessary. */
2505                             (seg == 17 && seg_cnt > 18)) {
2506                                 /* Continuation entry points to outbound address list. */
2507                                 map = pci_map_single(qdev->pdev, oal,
2508                                                      sizeof(struct oal),
2509                                                      PCI_DMA_TODEVICE);
2510
2511                                 err = pci_dma_mapping_error(map);
2512                                 if(err) {
2513
2514                                         printk(KERN_ERR "%s: PCI mapping outbound address list with error: %d\n", 
2515                                                qdev->ndev->name, err);
2516                                         goto map_error;
2517                                 }
2518
2519                                 oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2520                                 oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2521                                 oal_entry->len =
2522                                     cpu_to_le32(sizeof(struct oal) |
2523                                                 OAL_CONT_ENTRY);
2524                                 pci_unmap_addr_set(&tx_cb->map[seg], mapaddr,
2525                                                    map);
2526                                 pci_unmap_len_set(&tx_cb->map[seg], maplen,
2527                                                   sizeof(struct oal));
2528                                 oal_entry = (struct oal_entry *)oal;
2529                                 oal++;
2530                                 seg++;
2531                         }
2532
2533                         map =
2534                             pci_map_page(qdev->pdev, frag->page,
2535                                          frag->page_offset, frag->size,
2536                                          PCI_DMA_TODEVICE);
2537
2538                         err = pci_dma_mapping_error(map);
2539                         if(err) {
2540                                 printk(KERN_ERR "%s: PCI mapping frags failed with error: %d\n", 
2541                                        qdev->ndev->name, err);
2542                                 goto map_error;
2543                         }
2544
2545                         oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2546                         oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2547                         oal_entry->len = cpu_to_le32(frag->size);
2548                         pci_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
2549                         pci_unmap_len_set(&tx_cb->map[seg], maplen,
2550                                           frag->size);
2551                 }
2552                 /* Terminate the last segment. */
2553                 oal_entry->len =
2554                     cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY);
2555         }
2556
2557         return NETDEV_TX_OK;
2558
2559 map_error:
2560         /* A PCI mapping failed and now we will need to back out
2561          * We need to traverse through the oal's and associated pages which 
2562          * have been mapped and now we must unmap them to clean up properly
2563          */
2564         
2565         seg = 1;
2566         oal_entry = (struct oal_entry *)&mac_iocb_ptr->buf_addr0_low;
2567         oal = tx_cb->oal;
2568         for (i=0; i<completed_segs; i++,seg++) {
2569                 oal_entry++;
2570
2571                 if((seg == 2 && seg_cnt > 3) ||        /* Check for continuation */
2572                    (seg == 7 && seg_cnt > 8) ||        /* requirements. It's strange */
2573                    (seg == 12 && seg_cnt > 13) ||      /* but necessary. */
2574                    (seg == 17 && seg_cnt > 18)) {
2575                         pci_unmap_single(qdev->pdev,
2576                                 pci_unmap_addr(&tx_cb->map[seg], mapaddr),
2577                                 pci_unmap_len(&tx_cb->map[seg], maplen),
2578                                  PCI_DMA_TODEVICE);
2579                         oal++;
2580                         seg++;
2581                 }
2582
2583                 pci_unmap_page(qdev->pdev,
2584                                pci_unmap_addr(&tx_cb->map[seg], mapaddr),
2585                                pci_unmap_len(&tx_cb->map[seg], maplen),
2586                                PCI_DMA_TODEVICE);
2587         }
2588
2589         pci_unmap_single(qdev->pdev,
2590                          pci_unmap_addr(&tx_cb->map[0], mapaddr),
2591                          pci_unmap_addr(&tx_cb->map[0], maplen),
2592                          PCI_DMA_TODEVICE);
2593
2594         return NETDEV_TX_BUSY;
2595
2596 }
2597
2598 /*
2599  * The difference between 3022 and 3032 sends:
2600  * 3022 only supports a simple single segment transmission.
2601  * 3032 supports checksumming and scatter/gather lists (fragments).
2602  * The 3032 supports sglists by using the 3 addr/len pairs (ALP) 
2603  * in the IOCB plus a chain of outbound address lists (OAL) that 
2604  * each contain 5 ALPs.  The last ALP of the IOCB (3rd) or OAL (5th) 
2605  * will used to point to an OAL when more ALP entries are required.  
2606  * The IOCB is always the top of the chain followed by one or more 
2607  * OALs (when necessary).
2608  */
2609 static int ql3xxx_send(struct sk_buff *skb, struct net_device *ndev)
2610 {
2611         struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
2612         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2613         struct ql_tx_buf_cb *tx_cb;
2614         u32 tot_len = skb->len;
2615         struct ob_mac_iocb_req *mac_iocb_ptr;
2616
2617         if (unlikely(atomic_read(&qdev->tx_count) < 2)) {
2618                 return NETDEV_TX_BUSY;
2619         }
2620         
2621         tx_cb = &qdev->tx_buf[qdev->req_producer_index] ;
2622         if((tx_cb->seg_count = ql_get_seg_count(qdev,
2623                                                 (skb_shinfo(skb)->nr_frags))) == -1) {
2624                 printk(KERN_ERR PFX"%s: invalid segment count!\n",__func__);
2625                 return NETDEV_TX_OK;
2626         }
2627         
2628         mac_iocb_ptr = tx_cb->queue_entry;
2629         memset((void *)mac_iocb_ptr, 0, sizeof(struct ob_mac_iocb_req));
2630         mac_iocb_ptr->opcode = qdev->mac_ob_opcode;
2631         mac_iocb_ptr->flags = OB_MAC_IOCB_REQ_X;
2632         mac_iocb_ptr->flags |= qdev->mb_bit_mask;
2633         mac_iocb_ptr->transaction_id = qdev->req_producer_index;
2634         mac_iocb_ptr->data_len = cpu_to_le16((u16) tot_len);
2635         tx_cb->skb = skb;
2636         if (qdev->device_id == QL3032_DEVICE_ID &&
2637             skb->ip_summed == CHECKSUM_PARTIAL)
2638                 ql_hw_csum_setup(skb, mac_iocb_ptr);
2639         
2640         if(ql_send_map(qdev,mac_iocb_ptr,tx_cb,skb) != NETDEV_TX_OK) {
2641                 printk(KERN_ERR PFX"%s: Could not map the segments!\n",__func__);
2642                 return NETDEV_TX_BUSY;
2643         }
2644         
2645         wmb();
2646         qdev->req_producer_index++;
2647         if (qdev->req_producer_index == NUM_REQ_Q_ENTRIES)
2648                 qdev->req_producer_index = 0;
2649         wmb();
2650         ql_write_common_reg_l(qdev,
2651                             &port_regs->CommonRegs.reqQProducerIndex,
2652                             qdev->req_producer_index);
2653
2654         ndev->trans_start = jiffies;
2655         if (netif_msg_tx_queued(qdev))
2656                 printk(KERN_DEBUG PFX "%s: tx queued, slot %d, len %d\n",
2657                        ndev->name, qdev->req_producer_index, skb->len);
2658
2659         atomic_dec(&qdev->tx_count);
2660         return NETDEV_TX_OK;
2661 }
2662
2663 static int ql_alloc_net_req_rsp_queues(struct ql3_adapter *qdev)
2664 {
2665         qdev->req_q_size =
2666             (u32) (NUM_REQ_Q_ENTRIES * sizeof(struct ob_mac_iocb_req));
2667
2668         qdev->req_q_virt_addr =
2669             pci_alloc_consistent(qdev->pdev,
2670                                  (size_t) qdev->req_q_size,
2671                                  &qdev->req_q_phy_addr);
2672
2673         if ((qdev->req_q_virt_addr == NULL) ||
2674             LS_64BITS(qdev->req_q_phy_addr) & (qdev->req_q_size - 1)) {
2675                 printk(KERN_ERR PFX "%s: reqQ failed.\n",
2676                        qdev->ndev->name);
2677                 return -ENOMEM;
2678         }
2679
2680         qdev->rsp_q_size = NUM_RSP_Q_ENTRIES * sizeof(struct net_rsp_iocb);
2681
2682         qdev->rsp_q_virt_addr =
2683             pci_alloc_consistent(qdev->pdev,
2684                                  (size_t) qdev->rsp_q_size,
2685                                  &qdev->rsp_q_phy_addr);
2686
2687         if ((qdev->rsp_q_virt_addr == NULL) ||
2688             LS_64BITS(qdev->rsp_q_phy_addr) & (qdev->rsp_q_size - 1)) {
2689                 printk(KERN_ERR PFX
2690                        "%s: rspQ allocation failed\n",
2691                        qdev->ndev->name);
2692                 pci_free_consistent(qdev->pdev, (size_t) qdev->req_q_size,
2693                                     qdev->req_q_virt_addr,
2694                                     qdev->req_q_phy_addr);
2695                 return -ENOMEM;
2696         }
2697
2698         set_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags);
2699
2700         return 0;
2701 }
2702
2703 static void ql_free_net_req_rsp_queues(struct ql3_adapter *qdev)
2704 {
2705         if (!test_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags)) {
2706                 printk(KERN_INFO PFX
2707                        "%s: Already done.\n", qdev->ndev->name);
2708                 return;
2709         }
2710
2711         pci_free_consistent(qdev->pdev,
2712                             qdev->req_q_size,
2713                             qdev->req_q_virt_addr, qdev->req_q_phy_addr);
2714
2715         qdev->req_q_virt_addr = NULL;
2716
2717         pci_free_consistent(qdev->pdev,
2718                             qdev->rsp_q_size,
2719                             qdev->rsp_q_virt_addr, qdev->rsp_q_phy_addr);
2720
2721         qdev->rsp_q_virt_addr = NULL;
2722
2723         clear_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags);
2724 }
2725
2726 static int ql_alloc_buffer_queues(struct ql3_adapter *qdev)
2727 {
2728         /* Create Large Buffer Queue */
2729         qdev->lrg_buf_q_size =
2730             qdev->num_lbufq_entries * sizeof(struct lrg_buf_q_entry);
2731         if (qdev->lrg_buf_q_size < PAGE_SIZE)
2732                 qdev->lrg_buf_q_alloc_size = PAGE_SIZE;
2733         else
2734                 qdev->lrg_buf_q_alloc_size = qdev->lrg_buf_q_size * 2;
2735
2736         qdev->lrg_buf = kmalloc(qdev->num_large_buffers * sizeof(struct ql_rcv_buf_cb),GFP_KERNEL);
2737         if (qdev->lrg_buf == NULL) {
2738                 printk(KERN_ERR PFX
2739                        "%s: qdev->lrg_buf alloc failed.\n", qdev->ndev->name);
2740                 return -ENOMEM;
2741         }
2742         
2743         qdev->lrg_buf_q_alloc_virt_addr =
2744             pci_alloc_consistent(qdev->pdev,
2745                                  qdev->lrg_buf_q_alloc_size,
2746                                  &qdev->lrg_buf_q_alloc_phy_addr);
2747
2748         if (qdev->lrg_buf_q_alloc_virt_addr == NULL) {
2749                 printk(KERN_ERR PFX
2750                        "%s: lBufQ failed\n", qdev->ndev->name);
2751                 return -ENOMEM;
2752         }
2753         qdev->lrg_buf_q_virt_addr = qdev->lrg_buf_q_alloc_virt_addr;
2754         qdev->lrg_buf_q_phy_addr = qdev->lrg_buf_q_alloc_phy_addr;
2755
2756         /* Create Small Buffer Queue */
2757         qdev->small_buf_q_size =
2758             NUM_SBUFQ_ENTRIES * sizeof(struct lrg_buf_q_entry);
2759         if (qdev->small_buf_q_size < PAGE_SIZE)
2760                 qdev->small_buf_q_alloc_size = PAGE_SIZE;
2761         else
2762                 qdev->small_buf_q_alloc_size = qdev->small_buf_q_size * 2;
2763
2764         qdev->small_buf_q_alloc_virt_addr =
2765             pci_alloc_consistent(qdev->pdev,
2766                                  qdev->small_buf_q_alloc_size,
2767                                  &qdev->small_buf_q_alloc_phy_addr);
2768
2769         if (qdev->small_buf_q_alloc_virt_addr == NULL) {
2770                 printk(KERN_ERR PFX
2771                        "%s: Small Buffer Queue allocation failed.\n",
2772                        qdev->ndev->name);
2773                 pci_free_consistent(qdev->pdev, qdev->lrg_buf_q_alloc_size,
2774                                     qdev->lrg_buf_q_alloc_virt_addr,
2775                                     qdev->lrg_buf_q_alloc_phy_addr);
2776                 return -ENOMEM;
2777         }
2778
2779         qdev->small_buf_q_virt_addr = qdev->small_buf_q_alloc_virt_addr;
2780         qdev->small_buf_q_phy_addr = qdev->small_buf_q_alloc_phy_addr;
2781         set_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags);
2782         return 0;
2783 }
2784
2785 static void ql_free_buffer_queues(struct ql3_adapter *qdev)
2786 {
2787         if (!test_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags)) {
2788                 printk(KERN_INFO PFX
2789                        "%s: Already done.\n", qdev->ndev->name);
2790                 return;
2791         }
2792         if(qdev->lrg_buf) kfree(qdev->lrg_buf);
2793         pci_free_consistent(qdev->pdev,
2794                             qdev->lrg_buf_q_alloc_size,
2795                             qdev->lrg_buf_q_alloc_virt_addr,
2796                             qdev->lrg_buf_q_alloc_phy_addr);
2797
2798         qdev->lrg_buf_q_virt_addr = NULL;
2799
2800         pci_free_consistent(qdev->pdev,
2801                             qdev->small_buf_q_alloc_size,
2802                             qdev->small_buf_q_alloc_virt_addr,
2803                             qdev->small_buf_q_alloc_phy_addr);
2804
2805         qdev->small_buf_q_virt_addr = NULL;
2806
2807         clear_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags);
2808 }
2809
2810 static int ql_alloc_small_buffers(struct ql3_adapter *qdev)
2811 {
2812         int i;
2813         struct bufq_addr_element *small_buf_q_entry;
2814
2815         /* Currently we allocate on one of memory and use it for smallbuffers */
2816         qdev->small_buf_total_size =
2817             (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES *
2818              QL_SMALL_BUFFER_SIZE);
2819
2820         qdev->small_buf_virt_addr =
2821             pci_alloc_consistent(qdev->pdev,
2822                                  qdev->small_buf_total_size,
2823                                  &qdev->small_buf_phy_addr);
2824
2825         if (qdev->small_buf_virt_addr == NULL) {
2826                 printk(KERN_ERR PFX
2827                        "%s: Failed to get small buffer memory.\n",
2828                        qdev->ndev->name);
2829                 return -ENOMEM;
2830         }
2831
2832         qdev->small_buf_phy_addr_low = LS_64BITS(qdev->small_buf_phy_addr);
2833         qdev->small_buf_phy_addr_high = MS_64BITS(qdev->small_buf_phy_addr);
2834
2835         small_buf_q_entry = qdev->small_buf_q_virt_addr;
2836
2837         /* Initialize the small buffer queue. */
2838         for (i = 0; i < (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES); i++) {
2839                 small_buf_q_entry->addr_high =
2840                     cpu_to_le32(qdev->small_buf_phy_addr_high);
2841                 small_buf_q_entry->addr_low =
2842                     cpu_to_le32(qdev->small_buf_phy_addr_low +
2843                                 (i * QL_SMALL_BUFFER_SIZE));
2844                 small_buf_q_entry++;
2845         }
2846         qdev->small_buf_index = 0;
2847         set_bit(QL_ALLOC_SMALL_BUF_DONE,&qdev->flags);
2848         return 0;
2849 }
2850
2851 static void ql_free_small_buffers(struct ql3_adapter *qdev)
2852 {
2853         if (!test_bit(QL_ALLOC_SMALL_BUF_DONE,&qdev->flags)) {
2854                 printk(KERN_INFO PFX
2855                        "%s: Already done.\n", qdev->ndev->name);
2856                 return;
2857         }
2858         if (qdev->small_buf_virt_addr != NULL) {
2859                 pci_free_consistent(qdev->pdev,
2860                                     qdev->small_buf_total_size,
2861                                     qdev->small_buf_virt_addr,
2862                                     qdev->small_buf_phy_addr);
2863
2864                 qdev->small_buf_virt_addr = NULL;
2865         }
2866 }
2867
2868 static void ql_free_large_buffers(struct ql3_adapter *qdev)
2869 {
2870         int i = 0;
2871         struct ql_rcv_buf_cb *lrg_buf_cb;
2872
2873         for (i = 0; i < qdev->num_large_buffers; i++) {
2874                 lrg_buf_cb = &qdev->lrg_buf[i];
2875                 if (lrg_buf_cb->skb) {
2876                         dev_kfree_skb(lrg_buf_cb->skb);
2877                         pci_unmap_single(qdev->pdev,
2878                                          pci_unmap_addr(lrg_buf_cb, mapaddr),
2879                                          pci_unmap_len(lrg_buf_cb, maplen),
2880                                          PCI_DMA_FROMDEVICE);
2881                         memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb));
2882                 } else {
2883                         break;
2884                 }
2885         }
2886 }
2887
2888 static void ql_init_large_buffers(struct ql3_adapter *qdev)
2889 {
2890         int i;
2891         struct ql_rcv_buf_cb *lrg_buf_cb;
2892         struct bufq_addr_element *buf_addr_ele = qdev->lrg_buf_q_virt_addr;
2893
2894         for (i = 0; i < qdev->num_large_buffers; i++) {
2895                 lrg_buf_cb = &qdev->lrg_buf[i];
2896                 buf_addr_ele->addr_high = lrg_buf_cb->buf_phy_addr_high;
2897                 buf_addr_ele->addr_low = lrg_buf_cb->buf_phy_addr_low;
2898                 buf_addr_ele++;
2899         }
2900         qdev->lrg_buf_index = 0;
2901         qdev->lrg_buf_skb_check = 0;
2902 }
2903
2904 static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
2905 {
2906         int i;
2907         struct ql_rcv_buf_cb *lrg_buf_cb;
2908         struct sk_buff *skb;
2909         dma_addr_t map;
2910         int err;
2911
2912         for (i = 0; i < qdev->num_large_buffers; i++) {
2913                 skb = netdev_alloc_skb(qdev->ndev,
2914                                        qdev->lrg_buffer_len);
2915                 if (unlikely(!skb)) {
2916                         /* Better luck next round */
2917                         printk(KERN_ERR PFX
2918                                "%s: large buff alloc failed, "
2919                                "for %d bytes at index %d.\n",
2920                                qdev->ndev->name,
2921                                qdev->lrg_buffer_len * 2, i);
2922                         ql_free_large_buffers(qdev);
2923                         return -ENOMEM;
2924                 } else {
2925
2926                         lrg_buf_cb = &qdev->lrg_buf[i];
2927                         memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb));
2928                         lrg_buf_cb->index = i;
2929                         lrg_buf_cb->skb = skb;
2930                         /*
2931                          * We save some space to copy the ethhdr from first
2932                          * buffer
2933                          */
2934                         skb_reserve(skb, QL_HEADER_SPACE);
2935                         map = pci_map_single(qdev->pdev,
2936                                              skb->data,
2937                                              qdev->lrg_buffer_len -
2938                                              QL_HEADER_SPACE,
2939                                              PCI_DMA_FROMDEVICE);
2940
2941                         err = pci_dma_mapping_error(map);
2942                         if(err) {
2943                                 printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
2944                                        qdev->ndev->name, err);
2945                                 ql_free_large_buffers(qdev);
2946                                 return -ENOMEM;
2947                         }
2948
2949                         pci_unmap_addr_set(lrg_buf_cb, mapaddr, map);
2950                         pci_unmap_len_set(lrg_buf_cb, maplen,
2951                                           qdev->lrg_buffer_len -
2952                                           QL_HEADER_SPACE);
2953                         lrg_buf_cb->buf_phy_addr_low =
2954                             cpu_to_le32(LS_64BITS(map));
2955                         lrg_buf_cb->buf_phy_addr_high =
2956                             cpu_to_le32(MS_64BITS(map));
2957                 }
2958         }
2959         return 0;
2960 }
2961
2962 static void ql_free_send_free_list(struct ql3_adapter *qdev)
2963 {
2964         struct ql_tx_buf_cb *tx_cb;
2965         int i;
2966
2967         tx_cb = &qdev->tx_buf[0];
2968         for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
2969                 if (tx_cb->oal) {
2970                         kfree(tx_cb->oal);
2971                         tx_cb->oal = NULL;
2972                 }
2973                 tx_cb++;
2974         }
2975 }
2976
2977 static int ql_create_send_free_list(struct ql3_adapter *qdev)
2978 {
2979         struct ql_tx_buf_cb *tx_cb;
2980         int i;
2981         struct ob_mac_iocb_req *req_q_curr =
2982                                         qdev->req_q_virt_addr;
2983
2984         /* Create free list of transmit buffers */
2985         for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
2986
2987                 tx_cb = &qdev->tx_buf[i];
2988                 tx_cb->skb = NULL;
2989                 tx_cb->queue_entry = req_q_curr;
2990                 req_q_curr++;
2991                 tx_cb->oal = kmalloc(512, GFP_KERNEL);
2992                 if (tx_cb->oal == NULL)
2993                         return -1;
2994         }
2995         return 0;
2996 }
2997
2998 static int ql_alloc_mem_resources(struct ql3_adapter *qdev)
2999 {
3000         if (qdev->ndev->mtu == NORMAL_MTU_SIZE) {
3001                 qdev->num_lbufq_entries = NUM_LBUFQ_ENTRIES;
3002                 qdev->lrg_buffer_len = NORMAL_MTU_SIZE;
3003         }
3004         else if (qdev->ndev->mtu == JUMBO_MTU_SIZE) {
3005                 /*
3006                  * Bigger buffers, so less of them.
3007                  */
3008                 qdev->num_lbufq_entries = JUMBO_NUM_LBUFQ_ENTRIES;
3009                 qdev->lrg_buffer_len = JUMBO_MTU_SIZE;
3010         } else {
3011                 printk(KERN_ERR PFX
3012                        "%s: Invalid mtu size.  Only 1500 and 9000 are accepted.\n",
3013                        qdev->ndev->name);
3014                 return -ENOMEM;
3015         }
3016         qdev->num_large_buffers = qdev->num_lbufq_entries * QL_ADDR_ELE_PER_BUFQ_ENTRY;
3017         qdev->lrg_buffer_len += VLAN_ETH_HLEN + VLAN_ID_LEN + QL_HEADER_SPACE;
3018         qdev->max_frame_size =
3019             (qdev->lrg_buffer_len - QL_HEADER_SPACE) + ETHERNET_CRC_SIZE;
3020
3021         /*
3022          * First allocate a page of shared memory and use it for shadow
3023          * locations of Network Request Queue Consumer Address Register and
3024          * Network Completion Queue Producer Index Register
3025          */
3026         qdev->shadow_reg_virt_addr =
3027             pci_alloc_consistent(qdev->pdev,
3028                                  PAGE_SIZE, &qdev->shadow_reg_phy_addr);
3029
3030         if (qdev->shadow_reg_virt_addr != NULL) {
3031                 qdev->preq_consumer_index = (u16 *) qdev->shadow_reg_virt_addr;
3032                 qdev->req_consumer_index_phy_addr_high =
3033                     MS_64BITS(qdev->shadow_reg_phy_addr);
3034                 qdev->req_consumer_index_phy_addr_low =
3035                     LS_64BITS(qdev->shadow_reg_phy_addr);
3036
3037                 qdev->prsp_producer_index =
3038                     (u32 *) (((u8 *) qdev->preq_consumer_index) + 8);
3039                 qdev->rsp_producer_index_phy_addr_high =
3040                     qdev->req_consumer_index_phy_addr_high;
3041                 qdev->rsp_producer_index_phy_addr_low =
3042                     qdev->req_consumer_index_phy_addr_low + 8;
3043         } else {
3044                 printk(KERN_ERR PFX
3045                        "%s: shadowReg Alloc failed.\n", qdev->ndev->name);
3046                 return -ENOMEM;
3047         }
3048
3049         if (ql_alloc_net_req_rsp_queues(qdev) != 0) {
3050                 printk(KERN_ERR PFX
3051                        "%s: ql_alloc_net_req_rsp_queues failed.\n",
3052                        qdev->ndev->name);
3053                 goto err_req_rsp;
3054         }
3055
3056         if (ql_alloc_buffer_queues(qdev) != 0) {
3057                 printk(KERN_ERR PFX
3058                        "%s: ql_alloc_buffer_queues failed.\n",
3059                        qdev->ndev->name);
3060                 goto err_buffer_queues;
3061         }
3062
3063         if (ql_alloc_small_buffers(qdev) != 0) {
3064                 printk(KERN_ERR PFX
3065                        "%s: ql_alloc_small_buffers failed\n", qdev->ndev->name);
3066                 goto err_small_buffers;
3067         }
3068
3069         if (ql_alloc_large_buffers(qdev) != 0) {
3070                 printk(KERN_ERR PFX
3071                        "%s: ql_alloc_large_buffers failed\n", qdev->ndev->name);
3072                 goto err_small_buffers;
3073         }
3074
3075         /* Initialize the large buffer queue. */
3076         ql_init_large_buffers(qdev);
3077         if (ql_create_send_free_list(qdev))
3078                 goto err_free_list;
3079
3080         qdev->rsp_current = qdev->rsp_q_virt_addr;
3081
3082         return 0;
3083 err_free_list:
3084         ql_free_send_free_list(qdev);
3085 err_small_buffers:
3086         ql_free_buffer_queues(qdev);
3087 err_buffer_queues:
3088         ql_free_net_req_rsp_queues(qdev);
3089 err_req_rsp:
3090         pci_free_consistent(qdev->pdev,
3091                             PAGE_SIZE,
3092                             qdev->shadow_reg_virt_addr,
3093                             qdev->shadow_reg_phy_addr);
3094
3095         return -ENOMEM;
3096 }
3097
3098 static void ql_free_mem_resources(struct ql3_adapter *qdev)
3099 {
3100         ql_free_send_free_list(qdev);
3101         ql_free_large_buffers(qdev);
3102         ql_free_small_buffers(qdev);
3103         ql_free_buffer_queues(qdev);
3104         ql_free_net_req_rsp_queues(qdev);
3105         if (qdev->shadow_reg_virt_addr != NULL) {
3106                 pci_free_consistent(qdev->pdev,
3107                                     PAGE_SIZE,
3108                                     qdev->shadow_reg_virt_addr,
3109                                     qdev->shadow_reg_phy_addr);
3110                 qdev->shadow_reg_virt_addr = NULL;
3111         }
3112 }
3113
3114 static int ql_init_misc_registers(struct ql3_adapter *qdev)
3115 {
3116         struct ql3xxx_local_ram_registers __iomem *local_ram =
3117             (void __iomem *)qdev->mem_map_registers;
3118
3119         if(ql_sem_spinlock(qdev, QL_DDR_RAM_SEM_MASK,
3120                         (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
3121                          2) << 4))
3122                 return -1;
3123
3124         ql_write_page2_reg(qdev,
3125                            &local_ram->bufletSize, qdev->nvram_data.bufletSize);
3126
3127         ql_write_page2_reg(qdev,
3128                            &local_ram->maxBufletCount,
3129                            qdev->nvram_data.bufletCount);
3130
3131         ql_write_page2_reg(qdev,
3132                            &local_ram->freeBufletThresholdLow,
3133                            (qdev->nvram_data.tcpWindowThreshold25 << 16) |
3134                            (qdev->nvram_data.tcpWindowThreshold0));
3135
3136         ql_write_page2_reg(qdev,
3137                            &local_ram->freeBufletThresholdHigh,
3138                            qdev->nvram_data.tcpWindowThreshold50);
3139
3140         ql_write_page2_reg(qdev,
3141                            &local_ram->ipHashTableBase,
3142                            (qdev->nvram_data.ipHashTableBaseHi << 16) |
3143                            qdev->nvram_data.ipHashTableBaseLo);
3144         ql_write_page2_reg(qdev,
3145                            &local_ram->ipHashTableCount,
3146                            qdev->nvram_data.ipHashTableSize);
3147         ql_write_page2_reg(qdev,
3148                            &local_ram->tcpHashTableBase,
3149                            (qdev->nvram_data.tcpHashTableBaseHi << 16) |
3150                            qdev->nvram_data.tcpHashTableBaseLo);
3151         ql_write_page2_reg(qdev,
3152                            &local_ram->tcpHashTableCount,
3153                            qdev->nvram_data.tcpHashTableSize);
3154         ql_write_page2_reg(qdev,
3155                            &local_ram->ncbBase,
3156                            (qdev->nvram_data.ncbTableBaseHi << 16) |
3157                            qdev->nvram_data.ncbTableBaseLo);
3158         ql_write_page2_reg(qdev,
3159                            &local_ram->maxNcbCount,
3160                            qdev->nvram_data.ncbTableSize);
3161         ql_write_page2_reg(qdev,
3162                            &local_ram->drbBase,
3163                            (qdev->nvram_data.drbTableBaseHi << 16) |
3164                            qdev->nvram_data.drbTableBaseLo);
3165         ql_write_page2_reg(qdev,
3166                            &local_ram->maxDrbCount,
3167                            qdev->nvram_data.drbTableSize);
3168         ql_sem_unlock(qdev, QL_DDR_RAM_SEM_MASK);
3169         return 0;
3170 }
3171
3172 static int ql_adapter_initialize(struct ql3_adapter *qdev)
3173 {
3174         u32 value;
3175         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3176         struct ql3xxx_host_memory_registers __iomem *hmem_regs =
3177                                                 (void __iomem *)port_regs;
3178         u32 delay = 10;
3179         int status = 0;
3180
3181         if(ql_mii_setup(qdev))
3182                 return -1;
3183
3184         /* Bring out PHY out of reset */
3185         ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
3186                             (ISP_SERIAL_PORT_IF_WE |
3187                              (ISP_SERIAL_PORT_IF_WE << 16)));
3188
3189         qdev->port_link_state = LS_DOWN;
3190         netif_carrier_off(qdev->ndev);
3191
3192         /* V2 chip fix for ARS-39168. */
3193         ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
3194                             (ISP_SERIAL_PORT_IF_SDE |
3195                              (ISP_SERIAL_PORT_IF_SDE << 16)));
3196
3197         /* Request Queue Registers */
3198         *((u32 *) (qdev->preq_consumer_index)) = 0;
3199         atomic_set(&qdev->tx_count,NUM_REQ_Q_ENTRIES);
3200         qdev->req_producer_index = 0;
3201
3202         ql_write_page1_reg(qdev,
3203                            &hmem_regs->reqConsumerIndexAddrHigh,
3204                            qdev->req_consumer_index_phy_addr_high);
3205         ql_write_page1_reg(qdev,
3206                            &hmem_regs->reqConsumerIndexAddrLow,
3207                            qdev->req_consumer_index_phy_addr_low);
3208
3209         ql_write_page1_reg(qdev,
3210                            &hmem_regs->reqBaseAddrHigh,
3211                            MS_64BITS(qdev->req_q_phy_addr));
3212         ql_write_page1_reg(qdev,
3213                            &hmem_regs->reqBaseAddrLow,
3214                            LS_64BITS(qdev->req_q_phy_addr));
3215         ql_write_page1_reg(qdev, &hmem_regs->reqLength, NUM_REQ_Q_ENTRIES);
3216
3217         /* Response Queue Registers */
3218         *((u16 *) (qdev->prsp_producer_index)) = 0;
3219         qdev->rsp_consumer_index = 0;
3220         qdev->rsp_current = qdev->rsp_q_virt_addr;
3221
3222         ql_write_page1_reg(qdev,
3223                            &hmem_regs->rspProducerIndexAddrHigh,
3224                            qdev->rsp_producer_index_phy_addr_high);
3225
3226         ql_write_page1_reg(qdev,
3227                            &hmem_regs->rspProducerIndexAddrLow,
3228                            qdev->rsp_producer_index_phy_addr_low);
3229
3230         ql_write_page1_reg(qdev,
3231                            &hmem_regs->rspBaseAddrHigh,
3232                            MS_64BITS(qdev->rsp_q_phy_addr));
3233
3234         ql_write_page1_reg(qdev,
3235                            &hmem_regs->rspBaseAddrLow,
3236                            LS_64BITS(qdev->rsp_q_phy_addr));
3237
3238         ql_write_page1_reg(qdev, &hmem_regs->rspLength, NUM_RSP_Q_ENTRIES);
3239
3240         /* Large Buffer Queue */
3241         ql_write_page1_reg(qdev,
3242                            &hmem_regs->rxLargeQBaseAddrHigh,
3243                            MS_64BITS(qdev->lrg_buf_q_phy_addr));
3244
3245         ql_write_page1_reg(qdev,
3246                            &hmem_regs->rxLargeQBaseAddrLow,
3247                            LS_64BITS(qdev->lrg_buf_q_phy_addr));
3248
3249         ql_write_page1_reg(qdev, &hmem_regs->rxLargeQLength, qdev->num_lbufq_entries);
3250
3251         ql_write_page1_reg(qdev,
3252                            &hmem_regs->rxLargeBufferLength,
3253                            qdev->lrg_buffer_len);
3254
3255         /* Small Buffer Queue */
3256         ql_write_page1_reg(qdev,
3257                            &hmem_regs->rxSmallQBaseAddrHigh,
3258                            MS_64BITS(qdev->small_buf_q_phy_addr));
3259
3260         ql_write_page1_reg(qdev,
3261                            &hmem_regs->rxSmallQBaseAddrLow,
3262                            LS_64BITS(qdev->small_buf_q_phy_addr));
3263
3264         ql_write_page1_reg(qdev, &hmem_regs->rxSmallQLength, NUM_SBUFQ_ENTRIES);
3265         ql_write_page1_reg(qdev,
3266                            &hmem_regs->rxSmallBufferLength,
3267                            QL_SMALL_BUFFER_SIZE);
3268
3269         qdev->small_buf_q_producer_index = NUM_SBUFQ_ENTRIES - 1;
3270         qdev->small_buf_release_cnt = 8;
3271         qdev->lrg_buf_q_producer_index = qdev->num_lbufq_entries - 1;
3272         qdev->lrg_buf_release_cnt = 8;
3273         qdev->lrg_buf_next_free =
3274             (struct bufq_addr_element *)qdev->lrg_buf_q_virt_addr;
3275         qdev->small_buf_index = 0;
3276         qdev->lrg_buf_index = 0;
3277         qdev->lrg_buf_free_count = 0;
3278         qdev->lrg_buf_free_head = NULL;
3279         qdev->lrg_buf_free_tail = NULL;
3280
3281         ql_write_common_reg(qdev,
3282                             &port_regs->CommonRegs.
3283                             rxSmallQProducerIndex,
3284                             qdev->small_buf_q_producer_index);
3285         ql_write_common_reg(qdev,
3286                             &port_regs->CommonRegs.
3287                             rxLargeQProducerIndex,
3288                             qdev->lrg_buf_q_producer_index);
3289
3290         /*
3291          * Find out if the chip has already been initialized.  If it has, then
3292          * we skip some of the initialization.
3293          */
3294         clear_bit(QL_LINK_MASTER, &qdev->flags);
3295         value = ql_read_page0_reg(qdev, &port_regs->portStatus);
3296         if ((value & PORT_STATUS_IC) == 0) {
3297
3298                 /* Chip has not been configured yet, so let it rip. */
3299                 if(ql_init_misc_registers(qdev)) {
3300                         status = -1;
3301                         goto out;
3302                 }
3303
3304                 value = qdev->nvram_data.tcpMaxWindowSize;
3305                 ql_write_page0_reg(qdev, &port_regs->tcpMaxWindow, value);
3306
3307                 value = (0xFFFF << 16) | qdev->nvram_data.extHwConfig;
3308
3309                 if(ql_sem_spinlock(qdev, QL_FLASH_SEM_MASK,
3310                                 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index)
3311                                  * 2) << 13)) {
3312                         status = -1;
3313                         goto out;
3314                 }
3315                 ql_write_page0_reg(qdev, &port_regs->ExternalHWConfig, value);
3316                 ql_write_page0_reg(qdev, &port_regs->InternalChipConfig,
3317                                    (((INTERNAL_CHIP_SD | INTERNAL_CHIP_WE) <<
3318                                      16) | (INTERNAL_CHIP_SD |
3319                                             INTERNAL_CHIP_WE)));
3320                 ql_sem_unlock(qdev, QL_FLASH_SEM_MASK);
3321         }
3322
3323         if (qdev->mac_index)
3324                 ql_write_page0_reg(qdev,
3325                                    &port_regs->mac1MaxFrameLengthReg,
3326                                    qdev->max_frame_size);
3327         else
3328                 ql_write_page0_reg(qdev,
3329                                            &port_regs->mac0MaxFrameLengthReg,
3330                                            qdev->max_frame_size);
3331
3332         if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
3333                         (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
3334                          2) << 7)) {
3335                 status = -1;
3336                 goto out;
3337         }
3338
3339         PHY_Setup(qdev);
3340         ql_init_scan_mode(qdev);
3341         ql_get_phy_owner(qdev);
3342
3343         /* Load the MAC Configuration */
3344
3345         /* Program lower 32 bits of the MAC address */
3346         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3347                            (MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16));
3348         ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3349                            ((qdev->ndev->dev_addr[2] << 24)
3350                             | (qdev->ndev->dev_addr[3] << 16)
3351                             | (qdev->ndev->dev_addr[4] << 8)
3352                             | qdev->ndev->dev_addr[5]));
3353
3354         /* Program top 16 bits of the MAC address */
3355         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3356                            ((MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16) | 1));
3357         ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3358                            ((qdev->ndev->dev_addr[0] << 8)
3359                             | qdev->ndev->dev_addr[1]));
3360
3361         /* Enable Primary MAC */
3362         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3363                            ((MAC_ADDR_INDIRECT_PTR_REG_PE << 16) |
3364                             MAC_ADDR_INDIRECT_PTR_REG_PE));
3365
3366         /* Clear Primary and Secondary IP addresses */
3367         ql_write_page0_reg(qdev, &port_regs->ipAddrIndexReg,
3368                            ((IP_ADDR_INDEX_REG_MASK << 16) |
3369                             (qdev->mac_index << 2)));
3370         ql_write_page0_reg(qdev, &port_regs->ipAddrDataReg, 0);
3371
3372         ql_write_page0_reg(qdev, &port_regs->ipAddrIndexReg,
3373                            ((IP_ADDR_INDEX_REG_MASK << 16) |
3374                             ((qdev->mac_index << 2) + 1)));
3375         ql_write_page0_reg(qdev, &port_regs->ipAddrDataReg, 0);
3376
3377         ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
3378
3379         /* Indicate Configuration Complete */
3380         ql_write_page0_reg(qdev,
3381                            &port_regs->portControl,
3382                            ((PORT_CONTROL_CC << 16) | PORT_CONTROL_CC));
3383
3384         do {
3385                 value = ql_read_page0_reg(qdev, &port_regs->portStatus);
3386                 if (value & PORT_STATUS_IC)
3387                         break;
3388                 msleep(500);
3389         } while (--delay);
3390
3391         if (delay == 0) {
3392                 printk(KERN_ERR PFX
3393                        "%s: Hw Initialization timeout.\n", qdev->ndev->name);
3394                 status = -1;
3395                 goto out;
3396         }
3397
3398         /* Enable Ethernet Function */
3399         if (qdev->device_id == QL3032_DEVICE_ID) {
3400                 value =
3401                     (QL3032_PORT_CONTROL_EF | QL3032_PORT_CONTROL_KIE |
3402                      QL3032_PORT_CONTROL_EIv6 | QL3032_PORT_CONTROL_EIv4 |
3403                         QL3032_PORT_CONTROL_ET);
3404                 ql_write_page0_reg(qdev, &port_regs->functionControl,
3405                                    ((value << 16) | value));
3406         } else {
3407                 value =
3408                     (PORT_CONTROL_EF | PORT_CONTROL_ET | PORT_CONTROL_EI |
3409                      PORT_CONTROL_HH);
3410                 ql_write_page0_reg(qdev, &port_regs->portControl,
3411                                    ((value << 16) | value));
3412         }
3413
3414
3415 out:
3416         return status;
3417 }
3418
3419 /*
3420  * Caller holds hw_lock.
3421  */
3422 static int ql_adapter_reset(struct ql3_adapter *qdev)
3423 {
3424         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3425         int status = 0;
3426         u16 value;
3427         int max_wait_time;
3428
3429         set_bit(QL_RESET_ACTIVE, &qdev->flags);
3430         clear_bit(QL_RESET_DONE, &qdev->flags);
3431
3432         /*
3433          * Issue soft reset to chip.
3434          */
3435         printk(KERN_DEBUG PFX
3436                "%s: Issue soft reset to chip.\n",
3437                qdev->ndev->name);
3438         ql_write_common_reg(qdev,
3439                             &port_regs->CommonRegs.ispControlStatus,
3440                             ((ISP_CONTROL_SR << 16) | ISP_CONTROL_SR));
3441
3442         /* Wait 3 seconds for reset to complete. */
3443         printk(KERN_DEBUG PFX
3444                "%s: Wait 10 milliseconds for reset to complete.\n",
3445                qdev->ndev->name);
3446
3447         /* Wait until the firmware tells us the Soft Reset is done */
3448         max_wait_time = 5;
3449         do {
3450                 value =
3451                     ql_read_common_reg(qdev,
3452                                        &port_regs->CommonRegs.ispControlStatus);
3453                 if ((value & ISP_CONTROL_SR) == 0)
3454                         break;
3455
3456                 ssleep(1);
3457         } while ((--max_wait_time));
3458
3459         /*
3460          * Also, make sure that the Network Reset Interrupt bit has been
3461          * cleared after the soft reset has taken place.
3462          */
3463         value =
3464             ql_read_common_reg(qdev, &port_regs->CommonRegs.ispControlStatus);
3465         if (value & ISP_CONTROL_RI) {
3466                 printk(KERN_DEBUG PFX
3467                        "ql_adapter_reset: clearing RI after reset.\n");
3468                 ql_write_common_reg(qdev,
3469                                     &port_regs->CommonRegs.
3470                                     ispControlStatus,
3471                                     ((ISP_CONTROL_RI << 16) | ISP_CONTROL_RI));
3472         }
3473
3474         if (max_wait_time == 0) {
3475                 /* Issue Force Soft Reset */
3476                 ql_write_common_reg(qdev,
3477                                     &port_regs->CommonRegs.
3478                                     ispControlStatus,
3479                                     ((ISP_CONTROL_FSR << 16) |
3480                                      ISP_CONTROL_FSR));
3481                 /*
3482                  * Wait until the firmware tells us the Force Soft Reset is
3483                  * done
3484                  */
3485                 max_wait_time = 5;
3486                 do {
3487                         value =
3488                             ql_read_common_reg(qdev,
3489                                                &port_regs->CommonRegs.
3490                                                ispControlStatus);
3491                         if ((value & ISP_CONTROL_FSR) == 0) {
3492                                 break;
3493                         }
3494                         ssleep(1);
3495                 } while ((--max_wait_time));
3496         }
3497         if (max_wait_time == 0)
3498                 status = 1;
3499
3500         clear_bit(QL_RESET_ACTIVE, &qdev->flags);
3501         set_bit(QL_RESET_DONE, &qdev->flags);
3502         return status;
3503 }
3504
3505 static void ql_set_mac_info(struct ql3_adapter *qdev)
3506 {
3507         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3508         u32 value, port_status;
3509         u8 func_number;
3510
3511         /* Get the function number */
3512         value =
3513             ql_read_common_reg_l(qdev, &port_regs->CommonRegs.ispControlStatus);
3514         func_number = (u8) ((value >> 4) & OPCODE_FUNC_ID_MASK);
3515         port_status = ql_read_page0_reg(qdev, &port_regs->portStatus);
3516         switch (value & ISP_CONTROL_FN_MASK) {
3517         case ISP_CONTROL_FN0_NET:
3518                 qdev->mac_index = 0;
3519                 qdev->mac_ob_opcode = OUTBOUND_MAC_IOCB | func_number;
3520                 qdev->tcp_ob_opcode = OUTBOUND_TCP_IOCB | func_number;
3521                 qdev->update_ob_opcode = UPDATE_NCB_IOCB | func_number;
3522                 qdev->mb_bit_mask = FN0_MA_BITS_MASK;
3523                 qdev->PHYAddr = PORT0_PHY_ADDRESS;
3524                 if (port_status & PORT_STATUS_SM0)
3525                         set_bit(QL_LINK_OPTICAL,&qdev->flags);
3526                 else
3527                         clear_bit(QL_LINK_OPTICAL,&qdev->flags);
3528                 break;
3529
3530         case ISP_CONTROL_FN1_NET:
3531                 qdev->mac_index = 1;
3532                 qdev->mac_ob_opcode = OUTBOUND_MAC_IOCB | func_number;
3533                 qdev->tcp_ob_opcode = OUTBOUND_TCP_IOCB | func_number;
3534                 qdev->update_ob_opcode = UPDATE_NCB_IOCB | func_number;
3535                 qdev->mb_bit_mask = FN1_MA_BITS_MASK;
3536                 qdev->PHYAddr = PORT1_PHY_ADDRESS;
3537                 if (port_status & PORT_STATUS_SM1)
3538                         set_bit(QL_LINK_OPTICAL,&qdev->flags);
3539                 else
3540                         clear_bit(QL_LINK_OPTICAL,&qdev->flags);
3541                 break;
3542
3543         case ISP_CONTROL_FN0_SCSI:
3544         case ISP_CONTROL_FN1_SCSI:
3545         default:
3546                 printk(KERN_DEBUG PFX
3547                        "%s: Invalid function number, ispControlStatus = 0x%x\n",
3548                        qdev->ndev->name,value);
3549                 break;
3550         }
3551         qdev->numPorts = qdev->nvram_data.numPorts;
3552 }
3553
3554 static void ql_display_dev_info(struct net_device *ndev)
3555 {
3556         struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3557         struct pci_dev *pdev = qdev->pdev;
3558         DECLARE_MAC_BUF(mac);
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 %s\n",
3585                        ndev->name, print_mac(mac, ndev->dev_addr));
3586 }
3587
3588 static int ql_adapter_down(struct ql3_adapter *qdev, int do_reset)
3589 {
3590         struct net_device *ndev = qdev->ndev;
3591         int retval = 0;
3592
3593         netif_stop_queue(ndev);
3594         netif_carrier_off(ndev);
3595
3596         clear_bit(QL_ADAPTER_UP,&qdev->flags);
3597         clear_bit(QL_LINK_MASTER,&qdev->flags);
3598
3599         ql_disable_interrupts(qdev);
3600
3601         free_irq(qdev->pdev->irq, ndev);
3602
3603         if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) {
3604                 printk(KERN_INFO PFX
3605                        "%s: calling pci_disable_msi().\n", qdev->ndev->name);
3606                 clear_bit(QL_MSI_ENABLED,&qdev->flags);
3607                 pci_disable_msi(qdev->pdev);
3608         }
3609
3610         del_timer_sync(&qdev->adapter_timer);
3611
3612         napi_disable(&qdev->napi);
3613
3614         if (do_reset) {
3615                 int soft_reset;
3616                 unsigned long hw_flags;
3617
3618                 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3619                 if (ql_wait_for_drvr_lock(qdev)) {
3620                         if ((soft_reset = ql_adapter_reset(qdev))) {
3621                                 printk(KERN_ERR PFX
3622                                        "%s: ql_adapter_reset(%d) FAILED!\n",
3623                                        ndev->name, qdev->index);
3624                         }
3625                         printk(KERN_ERR PFX
3626                                 "%s: Releaseing driver lock via chip reset.\n",ndev->name);
3627                 } else {
3628                         printk(KERN_ERR PFX
3629                                "%s: Could not acquire driver lock to do "
3630                                "reset!\n", ndev->name);
3631                         retval = -1;
3632                 }
3633                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3634         }
3635         ql_free_mem_resources(qdev);
3636         return retval;
3637 }
3638
3639 static int ql_adapter_up(struct ql3_adapter *qdev)
3640 {
3641         struct net_device *ndev = qdev->ndev;
3642         int err;
3643         unsigned long irq_flags = IRQF_SAMPLE_RANDOM | IRQF_SHARED;
3644         unsigned long hw_flags;
3645
3646         if (ql_alloc_mem_resources(qdev)) {
3647                 printk(KERN_ERR PFX
3648                        "%s Unable to  allocate buffers.\n", ndev->name);
3649                 return -ENOMEM;
3650         }
3651
3652         if (qdev->msi) {
3653                 if (pci_enable_msi(qdev->pdev)) {
3654                         printk(KERN_ERR PFX
3655                                "%s: User requested MSI, but MSI failed to "
3656                                "initialize.  Continuing without MSI.\n",
3657                                qdev->ndev->name);
3658                         qdev->msi = 0;
3659                 } else {
3660                         printk(KERN_INFO PFX "%s: MSI Enabled...\n", qdev->ndev->name);
3661                         set_bit(QL_MSI_ENABLED,&qdev->flags);
3662                         irq_flags &= ~IRQF_SHARED;
3663                 }
3664         }
3665
3666         if ((err = request_irq(qdev->pdev->irq,
3667                                ql3xxx_isr,
3668                                irq_flags, ndev->name, ndev))) {
3669                 printk(KERN_ERR PFX
3670                        "%s: Failed to reserve interrupt %d already in use.\n",
3671                        ndev->name, qdev->pdev->irq);
3672                 goto err_irq;
3673         }
3674
3675         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3676
3677         if ((err = ql_wait_for_drvr_lock(qdev))) {
3678                 if ((err = ql_adapter_initialize(qdev))) {
3679                         printk(KERN_ERR PFX
3680                                "%s: Unable to initialize adapter.\n",
3681                                ndev->name);
3682                         goto err_init;
3683                 }
3684                 printk(KERN_ERR PFX
3685                                 "%s: Releaseing driver lock.\n",ndev->name);
3686                 ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
3687         } else {
3688                 printk(KERN_ERR PFX
3689                        "%s: Could not aquire driver lock.\n",
3690                        ndev->name);
3691                 goto err_lock;
3692         }
3693
3694         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3695
3696         set_bit(QL_ADAPTER_UP,&qdev->flags);
3697
3698         mod_timer(&qdev->adapter_timer, jiffies + HZ * 1);
3699
3700         napi_enable(&qdev->napi);
3701         ql_enable_interrupts(qdev);
3702         return 0;
3703
3704 err_init:
3705         ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
3706 err_lock:
3707         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3708         free_irq(qdev->pdev->irq, ndev);
3709 err_irq:
3710         if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) {
3711                 printk(KERN_INFO PFX
3712                        "%s: calling pci_disable_msi().\n",
3713                        qdev->ndev->name);
3714                 clear_bit(QL_MSI_ENABLED,&qdev->flags);
3715                 pci_disable_msi(qdev->pdev);
3716         }
3717         return err;
3718 }
3719
3720 static int ql_cycle_adapter(struct ql3_adapter *qdev, int reset)
3721 {
3722         if( ql_adapter_down(qdev,reset) || ql_adapter_up(qdev)) {
3723                 printk(KERN_ERR PFX
3724                                 "%s: Driver up/down cycle failed, "
3725                                 "closing device\n",qdev->ndev->name);
3726                 dev_close(qdev->ndev);
3727                 return -1;
3728         }
3729         return 0;
3730 }
3731
3732 static int ql3xxx_close(struct net_device *ndev)
3733 {
3734         struct ql3_adapter *qdev = netdev_priv(ndev);
3735
3736         /*
3737          * Wait for device to recover from a reset.
3738          * (Rarely happens, but possible.)
3739          */
3740         while (!test_bit(QL_ADAPTER_UP,&qdev->flags))
3741                 msleep(50);
3742
3743         ql_adapter_down(qdev,QL_DO_RESET);
3744         return 0;
3745 }
3746
3747 static int ql3xxx_open(struct net_device *ndev)
3748 {
3749         struct ql3_adapter *qdev = netdev_priv(ndev);
3750         return (ql_adapter_up(qdev));
3751 }
3752
3753 static void ql3xxx_set_multicast_list(struct net_device *ndev)
3754 {
3755         /*
3756          * We are manually parsing the list in the net_device structure.
3757          */
3758         return;
3759 }
3760
3761 static int ql3xxx_set_mac_address(struct net_device *ndev, void *p)
3762 {
3763         struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3764         struct ql3xxx_port_registers __iomem *port_regs =
3765                         qdev->mem_map_registers;
3766         struct sockaddr *addr = p;
3767         unsigned long hw_flags;
3768
3769         if (netif_running(ndev))
3770                 return -EBUSY;
3771
3772         if (!is_valid_ether_addr(addr->sa_data))
3773                 return -EADDRNOTAVAIL;
3774
3775         memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len);
3776
3777         spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3778         /* Program lower 32 bits of the MAC address */
3779         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3780                            (MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16));
3781         ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3782                            ((ndev->dev_addr[2] << 24) | (ndev->
3783                                                          dev_addr[3] << 16) |
3784                             (ndev->dev_addr[4] << 8) | ndev->dev_addr[5]));
3785
3786         /* Program top 16 bits of the MAC address */
3787         ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3788                            ((MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16) | 1));
3789         ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3790                            ((ndev->dev_addr[0] << 8) | ndev->dev_addr[1]));
3791         spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3792
3793         return 0;
3794 }
3795
3796 static void ql3xxx_tx_timeout(struct net_device *ndev)
3797 {
3798         struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3799
3800         printk(KERN_ERR PFX "%s: Resetting...\n", ndev->name);
3801         /*
3802          * Stop the queues, we've got a problem.
3803          */
3804         netif_stop_queue(ndev);
3805
3806         /*
3807          * Wake up the worker to process this event.
3808          */
3809         queue_delayed_work(qdev->workqueue, &qdev->tx_timeout_work, 0);
3810 }
3811
3812 static void ql_reset_work(struct work_struct *work)
3813 {
3814         struct ql3_adapter *qdev =
3815                 container_of(work, struct ql3_adapter, reset_work.work);
3816         struct net_device *ndev = qdev->ndev;
3817         u32 value;
3818         struct ql_tx_buf_cb *tx_cb;
3819         int max_wait_time, i;
3820         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3821         unsigned long hw_flags;
3822
3823         if (test_bit((QL_RESET_PER_SCSI | QL_RESET_START),&qdev->flags)) {
3824                 clear_bit(QL_LINK_MASTER,&qdev->flags);
3825
3826                 /*
3827                  * Loop through the active list and return the skb.
3828                  */
3829                 for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
3830                         int j;
3831                         tx_cb = &qdev->tx_buf[i];
3832                         if (tx_cb->skb) {
3833                                 printk(KERN_DEBUG PFX
3834                                        "%s: Freeing lost SKB.\n",
3835                                        qdev->ndev->name);
3836                                 pci_unmap_single(qdev->pdev,
3837                                          pci_unmap_addr(&tx_cb->map[0], mapaddr),
3838                                          pci_unmap_len(&tx_cb->map[0], maplen),
3839                                          PCI_DMA_TODEVICE);
3840                                 for(j=1;j<tx_cb->seg_count;j++) {
3841                                         pci_unmap_page(qdev->pdev,
3842                                                pci_unmap_addr(&tx_cb->map[j],mapaddr),
3843                                                pci_unmap_len(&tx_cb->map[j],maplen),
3844                                                PCI_DMA_TODEVICE);
3845                                 }
3846                                 dev_kfree_skb(tx_cb->skb);
3847                                 tx_cb->skb = NULL;
3848                         }
3849                 }
3850
3851                 printk(KERN_ERR PFX
3852                        "%s: Clearing NRI after reset.\n", qdev->ndev->name);
3853                 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3854                 ql_write_common_reg(qdev,
3855                                     &port_regs->CommonRegs.
3856                                     ispControlStatus,
3857                                     ((ISP_CONTROL_RI << 16) | ISP_CONTROL_RI));
3858                 /*
3859                  * Wait the for Soft Reset to Complete.
3860                  */
3861                 max_wait_time = 10;
3862                 do {
3863                         value = ql_read_common_reg(qdev,
3864                                                    &port_regs->CommonRegs.
3865
3866                                                    ispControlStatus);
3867                         if ((value & ISP_CONTROL_SR) == 0) {
3868                                 printk(KERN_DEBUG PFX
3869                                        "%s: reset completed.\n",
3870                                        qdev->ndev->name);
3871                                 break;
3872                         }
3873
3874                         if (value & ISP_CONTROL_RI) {
3875                                 printk(KERN_DEBUG PFX
3876                                        "%s: clearing NRI after reset.\n",
3877                                        qdev->ndev->name);
3878                                 ql_write_common_reg(qdev,
3879                                                     &port_regs->
3880                                                     CommonRegs.
3881                                                     ispControlStatus,
3882                                                     ((ISP_CONTROL_RI <<
3883                                                       16) | ISP_CONTROL_RI));
3884                         }
3885
3886                         ssleep(1);
3887                 } while (--max_wait_time);
3888                 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3889
3890                 if (value & ISP_CONTROL_SR) {
3891
3892                         /*
3893                          * Set the reset flags and clear the board again.
3894                          * Nothing else to do...
3895                          */
3896                         printk(KERN_ERR PFX
3897                                "%s: Timed out waiting for reset to "
3898                                "complete.\n", ndev->name);
3899                         printk(KERN_ERR PFX
3900                                "%s: Do a reset.\n", ndev->name);
3901                         clear_bit(QL_RESET_PER_SCSI,&qdev->flags);
3902                         clear_bit(QL_RESET_START,&qdev->flags);
3903                         ql_cycle_adapter(qdev,QL_DO_RESET);
3904                         return;
3905                 }
3906
3907                 clear_bit(QL_RESET_ACTIVE,&qdev->flags);
3908                 clear_bit(QL_RESET_PER_SCSI,&qdev->flags);
3909                 clear_bit(QL_RESET_START,&qdev->flags);
3910                 ql_cycle_adapter(qdev,QL_NO_RESET);
3911         }
3912 }
3913
3914 static void ql_tx_timeout_work(struct work_struct *work)
3915 {
3916         struct ql3_adapter *qdev =
3917                 container_of(work, struct ql3_adapter, tx_timeout_work.work);
3918
3919         ql_cycle_adapter(qdev, QL_DO_RESET);
3920 }
3921
3922 static void ql_get_board_info(struct ql3_adapter *qdev)
3923 {
3924         struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3925         u32 value;
3926
3927         value = ql_read_page0_reg_l(qdev, &port_regs->portStatus);
3928
3929         qdev->chip_rev_id = ((value & PORT_STATUS_REV_ID_MASK) >> 12);
3930         if (value & PORT_STATUS_64)
3931                 qdev->pci_width = 64;
3932         else
3933                 qdev->pci_width = 32;
3934         if (value & PORT_STATUS_X)
3935                 qdev->pci_x = 1;
3936         else
3937                 qdev->pci_x = 0;
3938         qdev->pci_slot = (u8) PCI_SLOT(qdev->pdev->devfn);
3939 }
3940
3941 static void ql3xxx_timer(unsigned long ptr)
3942 {
3943         struct ql3_adapter *qdev = (struct ql3_adapter *)ptr;
3944
3945         if (test_bit(QL_RESET_ACTIVE,&qdev->flags)) {
3946                 printk(KERN_DEBUG PFX
3947                        "%s: Reset in progress.\n",
3948                        qdev->ndev->name);
3949                 goto end;
3950         }
3951
3952         ql_link_state_machine(qdev);
3953
3954         /* Restart timer on 2 second interval. */
3955 end:
3956         mod_timer(&qdev->adapter_timer, jiffies + HZ * 1);
3957 }
3958
3959 static int __devinit ql3xxx_probe(struct pci_dev *pdev,
3960                                   const struct pci_device_id *pci_entry)
3961 {
3962         struct net_device *ndev = NULL;
3963         struct ql3_adapter *qdev = NULL;
3964         static int cards_found = 0;
3965         int pci_using_dac, err;
3966
3967         err = pci_enable_device(pdev);
3968         if (err) {
3969                 printk(KERN_ERR PFX "%s cannot enable PCI device\n",
3970                        pci_name(pdev));
3971                 goto err_out;
3972         }
3973
3974         err = pci_request_regions(pdev, DRV_NAME);
3975         if (err) {
3976                 printk(KERN_ERR PFX "%s cannot obtain PCI resources\n",
3977                        pci_name(pdev));
3978                 goto err_out_disable_pdev;
3979         }
3980
3981         pci_set_master(pdev);
3982
3983         if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
3984                 pci_using_dac = 1;
3985                 err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
3986         } else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
3987                 pci_using_dac = 0;
3988                 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
3989         }
3990
3991         if (err) {
3992                 printk(KERN_ERR PFX "%s no usable DMA configuration\n",
3993                        pci_name(pdev));
3994                 goto err_out_free_regions;
3995         }
3996
3997         ndev = alloc_etherdev(sizeof(struct ql3_adapter));
3998         if (!ndev) {
3999                 printk(KERN_ERR PFX "%s could not alloc etherdev\n",
4000                        pci_name(pdev));
4001                 err = -ENOMEM;
4002                 goto err_out_free_regions;
4003         }
4004
4005         SET_NETDEV_DEV(ndev, &pdev->dev);
4006
4007         pci_set_drvdata(pdev, ndev);
4008
4009         qdev = netdev_priv(ndev);
4010         qdev->index = cards_found;
4011         qdev->ndev = ndev;
4012         qdev->pdev = pdev;
4013         qdev->device_id = pci_entry->device;
4014         qdev->port_link_state = LS_DOWN;
4015         if (msi)
4016                 qdev->msi = 1;
4017
4018         qdev->msg_enable = netif_msg_init(debug, default_msg);
4019
4020         if (pci_using_dac)
4021                 ndev->features |= NETIF_F_HIGHDMA;
4022         if (qdev->device_id == QL3032_DEVICE_ID)
4023                 ndev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
4024
4025         qdev->mem_map_registers =
4026             ioremap_nocache(pci_resource_start(pdev, 1),
4027                             pci_resource_len(qdev->pdev, 1));
4028         if (!qdev->mem_map_registers) {
4029                 printk(KERN_ERR PFX "%s: cannot map device registers\n",
4030                        pci_name(pdev));
4031                 err = -EIO;
4032                 goto err_out_free_ndev;
4033         }
4034
4035         spin_lock_init(&qdev->adapter_lock);
4036         spin_lock_init(&qdev->hw_lock);
4037
4038         /* Set driver entry points */
4039         ndev->open = ql3xxx_open;
4040         ndev->hard_start_xmit = ql3xxx_send;
4041         ndev->stop = ql3xxx_close;
4042         ndev->set_multicast_list = ql3xxx_set_multicast_list;
4043         SET_ETHTOOL_OPS(ndev, &ql3xxx_ethtool_ops);
4044         ndev->set_mac_address = ql3xxx_set_mac_address;
4045         ndev->tx_timeout = ql3xxx_tx_timeout;
4046         ndev->watchdog_timeo = 5 * HZ;
4047
4048         netif_napi_add(ndev, &qdev->napi, ql_poll, 64);
4049
4050         ndev->irq = pdev->irq;
4051
4052         /* make sure the EEPROM is good */
4053         if (ql_get_nvram_params(qdev)) {
4054                 printk(KERN_ALERT PFX
4055                        "ql3xxx_probe: Adapter #%d, Invalid NVRAM parameters.\n",
4056                        qdev->index);
4057                 err = -EIO;
4058                 goto err_out_iounmap;
4059         }
4060
4061         ql_set_mac_info(qdev);
4062
4063         /* Validate and set parameters */
4064         if (qdev->mac_index) {
4065                 ndev->mtu = qdev->nvram_data.macCfg_port1.etherMtu_mac ;
4066                 memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn2.macAddress,
4067                        ETH_ALEN);
4068         } else {
4069                 ndev->mtu = qdev->nvram_data.macCfg_port0.etherMtu_mac ;
4070                 memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn0.macAddress,
4071                        ETH_ALEN);
4072         }
4073         memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len);
4074
4075         ndev->tx_queue_len = NUM_REQ_Q_ENTRIES;
4076
4077         /* Turn off support for multicasting */
4078         ndev->flags &= ~IFF_MULTICAST;
4079
4080         /* Record PCI bus information. */
4081         ql_get_board_info(qdev);
4082
4083         /*
4084          * Set the Maximum Memory Read Byte Count value. We do this to handle
4085          * jumbo frames.
4086          */
4087         if (qdev->pci_x) {
4088                 pci_write_config_word(pdev, (int)0x4e, (u16) 0x0036);
4089         }
4090
4091         err = register_netdev(ndev);
4092         if (err) {
4093                 printk(KERN_ERR PFX "%s: cannot register net device\n",
4094                        pci_name(pdev));
4095                 goto err_out_iounmap;
4096         }
4097
4098         /* we're going to reset, so assume we have no link for now */
4099
4100         netif_carrier_off(ndev);
4101         netif_stop_queue(ndev);
4102
4103         qdev->workqueue = create_singlethread_workqueue(ndev->name);
4104         INIT_DELAYED_WORK(&qdev->reset_work, ql_reset_work);
4105         INIT_DELAYED_WORK(&qdev->tx_timeout_work, ql_tx_timeout_work);
4106
4107         init_timer(&qdev->adapter_timer);
4108         qdev->adapter_timer.function = ql3xxx_timer;
4109         qdev->adapter_timer.expires = jiffies + HZ * 2; /* two second delay */
4110         qdev->adapter_timer.data = (unsigned long)qdev;
4111
4112         if(!cards_found) {
4113                 printk(KERN_ALERT PFX "%s\n", DRV_STRING);
4114                 printk(KERN_ALERT PFX "Driver name: %s, Version: %s.\n",
4115                    DRV_NAME, DRV_VERSION);
4116         }
4117         ql_display_dev_info(ndev);
4118
4119         cards_found++;
4120         return 0;
4121
4122 err_out_iounmap:
4123         iounmap(qdev->mem_map_registers);
4124 err_out_free_ndev:
4125         free_netdev(ndev);
4126 err_out_free_regions:
4127         pci_release_regions(pdev);
4128 err_out_disable_pdev:
4129         pci_disable_device(pdev);
4130         pci_set_drvdata(pdev, NULL);
4131 err_out:
4132         return err;
4133 }
4134
4135 static void __devexit ql3xxx_remove(struct pci_dev *pdev)
4136 {
4137         struct net_device *ndev = pci_get_drvdata(pdev);
4138         struct ql3_adapter *qdev = netdev_priv(ndev);
4139
4140         unregister_netdev(ndev);
4141         qdev = netdev_priv(ndev);
4142
4143         ql_disable_interrupts(qdev);
4144
4145         if (qdev->workqueue) {
4146                 cancel_delayed_work(&qdev->reset_work);
4147                 cancel_delayed_work(&qdev->tx_timeout_work);
4148                 destroy_workqueue(qdev->workqueue);
4149                 qdev->workqueue = NULL;
4150         }
4151
4152         iounmap(qdev->mem_map_registers);
4153         pci_release_regions(pdev);
4154         pci_set_drvdata(pdev, NULL);
4155         free_netdev(ndev);
4156 }
4157
4158 static struct pci_driver ql3xxx_driver = {
4159
4160         .name = DRV_NAME,
4161         .id_table = ql3xxx_pci_tbl,
4162         .probe = ql3xxx_probe,
4163         .remove = __devexit_p(ql3xxx_remove),
4164 };
4165
4166 static int __init ql3xxx_init_module(void)
4167 {
4168         return pci_register_driver(&ql3xxx_driver);
4169 }
4170
4171 static void __exit ql3xxx_exit(void)
4172 {
4173         pci_unregister_driver(&ql3xxx_driver);
4174 }
4175
4176 module_init(ql3xxx_init_module);
4177 module_exit(ql3xxx_exit);