blob: 01a6ca303a170514a2a2fcd62bce37113c7e0659 [file] [log] [blame]
Ron Mercer5a4faa82006-07-25 00:40:21 -07001/*
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>
Ron Mercerbd36b0a2007-01-03 16:26:08 -080025#include <linux/in.h>
Ron Mercer5a4faa82006-07-25 00:40:21 -070026#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>
Ron Mercer5a4faa82006-07-25 00:40:21 -070034#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"
rootb08c42b2008-07-31 13:46:08 -070041#define DRV_VERSION "v2.03.00-k5"
Ron Mercer5a4faa82006-07-25 00:40:21 -070042#define PFX DRV_NAME " "
43
44static const char ql3xxx_driver_name[] = DRV_NAME;
45static const char ql3xxx_driver_version[] = DRV_VERSION;
46
47MODULE_AUTHOR("QLogic Corporation");
48MODULE_DESCRIPTION("QLogic ISP3XXX Network Driver " DRV_VERSION " ");
49MODULE_LICENSE("GPL");
50MODULE_VERSION(DRV_VERSION);
51
52static const u32 default_msg
53 = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
54 | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
55
56static int debug = -1; /* defaults above */
57module_param(debug, int, 0);
58MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
59
60static int msi;
61module_param(msi, int, 0);
62MODULE_PARM_DESC(msi, "Turn on Message Signaled Interrupts.");
63
Alexey Dobriyana3aa1882010-01-07 11:58:11 +000064static DEFINE_PCI_DEVICE_TABLE(ql3xxx_pci_tbl) = {
Ron Mercer5a4faa82006-07-25 00:40:21 -070065 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QL3022_DEVICE_ID)},
Ron Mercerbd36b0a2007-01-03 16:26:08 -080066 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QL3032_DEVICE_ID)},
Ron Mercer5a4faa82006-07-25 00:40:21 -070067 /* required last entry */
68 {0,}
69};
70
71MODULE_DEVICE_TABLE(pci, ql3xxx_pci_tbl);
72
73/*
Ron Mercer3efedf22007-03-26 12:43:52 -070074 * These are the known PHY's which are used
75 */
76typedef enum {
77 PHY_TYPE_UNKNOWN = 0,
78 PHY_VITESSE_VSC8211,
79 PHY_AGERE_ET1011C,
80 MAX_PHY_DEV_TYPES
81} PHY_DEVICE_et;
82
83typedef struct {
Jeff Garzik9ddf7772007-10-03 13:52:23 -040084 PHY_DEVICE_et phyDevice;
Ron Mercer3efedf22007-03-26 12:43:52 -070085 u32 phyIdOUI;
86 u16 phyIdModel;
87 char *name;
88} PHY_DEVICE_INFO_t;
89
Adrian Bunkb1fc1fa2007-03-31 22:55:40 +020090static const PHY_DEVICE_INFO_t PHY_DEVICES[] =
Ron Mercer3efedf22007-03-26 12:43:52 -070091 {{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/*
Ron Mercer5a4faa82006-07-25 00:40:21 -070098 * Caller must take hw_lock.
99 */
100static 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
118static 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
125static 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 */
138static 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
165static 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
175static 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
188static u32 ql_read_common_reg(struct ql3_adapter *qdev,
189 u32 __iomem * reg)
190{
191 return readl(reg);
192}
193
194static 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
209static 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
216static void ql_write_common_reg_l(struct ql3_adapter *qdev,
Al Viroee111d12006-09-25 02:53:53 +0100217 u32 __iomem *reg, u32 value)
Ron Mercer5a4faa82006-07-25 00:40:21 -0700218{
219 unsigned long hw_flags;
220
221 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
Al Viroee111d12006-09-25 02:53:53 +0100222 writel(value, reg);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700223 readl(reg);
224 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
225 return;
226}
227
228static void ql_write_common_reg(struct ql3_adapter *qdev,
Al Viroee111d12006-09-25 02:53:53 +0100229 u32 __iomem *reg, u32 value)
Ron Mercer5a4faa82006-07-25 00:40:21 -0700230{
Al Viroee111d12006-09-25 02:53:53 +0100231 writel(value, reg);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700232 readl(reg);
233 return;
234}
235
Ron Mercer80b02e52007-01-03 16:26:07 -0800236static 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
Ron Mercer5a4faa82006-07-25 00:40:21 -0700245static void ql_write_page0_reg(struct ql3_adapter *qdev,
Al Viroee111d12006-09-25 02:53:53 +0100246 u32 __iomem *reg, u32 value)
Ron Mercer5a4faa82006-07-25 00:40:21 -0700247{
248 if (qdev->current_page != 0)
249 ql_set_register_page(qdev,0);
Al Viroee111d12006-09-25 02:53:53 +0100250 writel(value, reg);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700251 readl(reg);
252 return;
253}
254
255/*
256 * Caller holds hw_lock. Only called during init.
257 */
258static void ql_write_page1_reg(struct ql3_adapter *qdev,
Al Viroee111d12006-09-25 02:53:53 +0100259 u32 __iomem *reg, u32 value)
Ron Mercer5a4faa82006-07-25 00:40:21 -0700260{
261 if (qdev->current_page != 1)
262 ql_set_register_page(qdev,1);
Al Viroee111d12006-09-25 02:53:53 +0100263 writel(value, reg);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700264 readl(reg);
265 return;
266}
267
268/*
269 * Caller holds hw_lock. Only called during init.
270 */
271static void ql_write_page2_reg(struct ql3_adapter *qdev,
Al Viroee111d12006-09-25 02:53:53 +0100272 u32 __iomem *reg, u32 value)
Ron Mercer5a4faa82006-07-25 00:40:21 -0700273{
274 if (qdev->current_page != 2)
275 ql_set_register_page(qdev,2);
Al Viroee111d12006-09-25 02:53:53 +0100276 writel(value, reg);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700277 readl(reg);
278 return;
279}
280
281static 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
290static 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
299static void ql_release_to_lrg_buf_free_list(struct ql3_adapter *qdev,
300 struct ql_rcv_buf_cb *lrg_buf_cb)
301{
Benjamin Li0f8ab892007-02-26 11:06:40 -0800302 dma_addr_t map;
303 int err;
Ron Mercer5a4faa82006-07-25 00:40:21 -0700304 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) {
Benjamin Licd238fa2007-02-26 11:06:33 -0800314 lrg_buf_cb->skb = netdev_alloc_skb(qdev->ndev,
315 qdev->lrg_buffer_len);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700316 if (unlikely(!lrg_buf_cb->skb)) {
Benjamin Licd238fa2007-02-26 11:06:33 -0800317 printk(KERN_ERR PFX "%s: failed netdev_alloc_skb().\n",
Ron Mercer5a4faa82006-07-25 00:40:21 -0700318 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);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -0700331 err = pci_dma_mapping_error(qdev->pdev, map);
Benjamin Li0f8ab892007-02-26 11:06:40 -0800332 if(err) {
Jeff Garzik9ddf7772007-10-03 13:52:23 -0400333 printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
Benjamin Li0f8ab892007-02-26 11:06:40 -0800334 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
Ron Mercer5a4faa82006-07-25 00:40:21 -0700342 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));
FUJITA Tomonori87196eb2010-04-12 14:32:13 +0000346 dma_unmap_addr_set(lrg_buf_cb, mapaddr, map);
347 dma_unmap_len_set(lrg_buf_cb, maplen,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700348 qdev->lrg_buffer_len -
349 QL_HEADER_SPACE);
350 }
351 }
352
353 qdev->lrg_buf_free_count++;
354}
355
356static 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
370static u32 addrBits = EEPROM_NO_ADDR_BITS;
371static u32 dataBits = EEPROM_NO_DATA_BITS;
372
373static void fm93c56a_deselect(struct ql3_adapter *qdev);
374static void eeprom_readword(struct ql3_adapter *qdev, u32 eepromAddr,
375 unsigned short *value);
376
377/*
378 * Caller holds hw_lock.
379 */
380static 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;
Ron Mercer80b02e52007-01-03 16:26:07 -0800386 ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700387 ISP_NVRAM_MASK | qdev->eeprom_cmd_data);
Ron Mercer80b02e52007-01-03 16:26:07 -0800388 ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700389 ((ISP_NVRAM_MASK << 16) | qdev->eeprom_cmd_data));
390}
391
392/*
393 * Caller holds hw_lock.
394 */
395static 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 */
Ron Mercer80b02e52007-01-03 16:26:07 -0800405 ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700406 ISP_NVRAM_MASK | qdev->eeprom_cmd_data |
407 AUBURN_EEPROM_DO_1);
Ron Mercer80b02e52007-01-03 16:26:07 -0800408 ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700409 ISP_NVRAM_MASK | qdev->
410 eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
411 AUBURN_EEPROM_CLK_RISE);
Ron Mercer80b02e52007-01-03 16:26:07 -0800412 ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700413 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 */
Ron Mercer80b02e52007-01-03 16:26:07 -0800428 ql_write_nvram_reg(qdev,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700429 &port_regs->CommonRegs.
430 serialPortInterfaceReg,
431 ISP_NVRAM_MASK | qdev->
432 eeprom_cmd_data | dataBit);
433 previousBit = dataBit;
434 }
Ron Mercer80b02e52007-01-03 16:26:07 -0800435 ql_write_nvram_reg(qdev,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700436 &port_regs->CommonRegs.
437 serialPortInterfaceReg,
438 ISP_NVRAM_MASK | qdev->
439 eeprom_cmd_data | dataBit |
440 AUBURN_EEPROM_CLK_RISE);
Ron Mercer80b02e52007-01-03 16:26:07 -0800441 ql_write_nvram_reg(qdev,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700442 &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 */
Ron Mercer80b02e52007-01-03 16:26:07 -0800462 ql_write_nvram_reg(qdev,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700463 &port_regs->CommonRegs.
464 serialPortInterfaceReg,
465 ISP_NVRAM_MASK | qdev->
466 eeprom_cmd_data | dataBit);
467 previousBit = dataBit;
468 }
Ron Mercer80b02e52007-01-03 16:26:07 -0800469 ql_write_nvram_reg(qdev,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700470 &port_regs->CommonRegs.
471 serialPortInterfaceReg,
472 ISP_NVRAM_MASK | qdev->
473 eeprom_cmd_data | dataBit |
474 AUBURN_EEPROM_CLK_RISE);
Ron Mercer80b02e52007-01-03 16:26:07 -0800475 ql_write_nvram_reg(qdev,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700476 &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 */
488static 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;
Ron Mercer80b02e52007-01-03 16:26:07 -0800493 ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700494 ISP_NVRAM_MASK | qdev->eeprom_cmd_data);
495}
496
497/*
498 * Caller holds hw_lock.
499 */
500static 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++) {
Ron Mercer80b02e52007-01-03 16:26:07 -0800511 ql_write_nvram_reg(qdev,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700512 &port_regs->CommonRegs.
513 serialPortInterfaceReg,
514 ISP_NVRAM_MASK | qdev->eeprom_cmd_data |
515 AUBURN_EEPROM_CLK_RISE);
Ron Mercer80b02e52007-01-03 16:26:07 -0800516 ql_write_nvram_reg(qdev,
Ron Mercer5a4faa82006-07-25 00:40:21 -0700517 &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 */
534static 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
Al Viro804d8542007-12-22 19:44:29 +0000543static void ql_set_mac_addr(struct net_device *ndev, u16 *addr)
Ron Mercer5a4faa82006-07-25 00:40:21 -0700544{
Al Viro804d8542007-12-22 19:44:29 +0000545 __le16 *p = (__le16 *)ndev->dev_addr;
546 p[0] = cpu_to_le16(addr[0]);
547 p[1] = cpu_to_le16(addr[1]);
548 p[2] = cpu_to_le16(addr[2]);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700549}
550
551static int ql_get_nvram_params(struct ql3_adapter *qdev)
552{
553 u16 *pEEPROMData;
554 u16 checksum = 0;
555 u32 index;
556 unsigned long hw_flags;
557
558 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
559
560 pEEPROMData = (u16 *) & qdev->nvram_data;
561 qdev->eeprom_cmd_data = 0;
562 if(ql_sem_spinlock(qdev, QL_NVRAM_SEM_MASK,
563 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
564 2) << 10)) {
565 printk(KERN_ERR PFX"%s: Failed ql_sem_spinlock().\n",
566 __func__);
567 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
568 return -1;
569 }
570
571 for (index = 0; index < EEPROM_SIZE; index++) {
572 eeprom_readword(qdev, index, pEEPROMData);
573 checksum += *pEEPROMData;
574 pEEPROMData++;
575 }
576 ql_sem_unlock(qdev, QL_NVRAM_SEM_MASK);
577
578 if (checksum != 0) {
579 printk(KERN_ERR PFX "%s: checksum should be zero, is %x!!\n",
580 qdev->ndev->name, checksum);
581 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
582 return -1;
583 }
584
Ron Mercer5a4faa82006-07-25 00:40:21 -0700585 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
586 return checksum;
587}
588
589static const u32 PHYAddr[2] = {
590 PORT0_PHY_ADDRESS, PORT1_PHY_ADDRESS
591};
592
593static int ql_wait_for_mii_ready(struct ql3_adapter *qdev)
594{
595 struct ql3xxx_port_registers __iomem *port_regs =
596 qdev->mem_map_registers;
597 u32 temp;
598 int count = 1000;
599
600 while (count) {
601 temp = ql_read_page0_reg(qdev, &port_regs->macMIIStatusReg);
602 if (!(temp & MAC_MII_STATUS_BSY))
603 return 0;
604 udelay(10);
605 count--;
606 }
607 return -1;
608}
609
610static void ql_mii_enable_scan_mode(struct ql3_adapter *qdev)
611{
612 struct ql3xxx_port_registers __iomem *port_regs =
613 qdev->mem_map_registers;
614 u32 scanControl;
615
616 if (qdev->numPorts > 1) {
617 /* Auto scan will cycle through multiple ports */
618 scanControl = MAC_MII_CONTROL_AS | MAC_MII_CONTROL_SC;
619 } else {
620 scanControl = MAC_MII_CONTROL_SC;
621 }
622
623 /*
624 * Scan register 1 of PHY/PETBI,
625 * Set up to scan both devices
626 * The autoscan starts from the first register, completes
627 * the last one before rolling over to the first
628 */
629 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
630 PHYAddr[0] | MII_SCAN_REGISTER);
631
632 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
633 (scanControl) |
634 ((MAC_MII_CONTROL_SC | MAC_MII_CONTROL_AS) << 16));
635}
636
637static u8 ql_mii_disable_scan_mode(struct ql3_adapter *qdev)
638{
639 u8 ret;
640 struct ql3xxx_port_registers __iomem *port_regs =
641 qdev->mem_map_registers;
642
643 /* See if scan mode is enabled before we turn it off */
644 if (ql_read_page0_reg(qdev, &port_regs->macMIIMgmtControlReg) &
645 (MAC_MII_CONTROL_AS | MAC_MII_CONTROL_SC)) {
646 /* Scan is enabled */
647 ret = 1;
648 } else {
649 /* Scan is disabled */
650 ret = 0;
651 }
652
653 /*
654 * When disabling scan mode you must first change the MII register
655 * address
656 */
657 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
658 PHYAddr[0] | MII_SCAN_REGISTER);
659
660 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
661 ((MAC_MII_CONTROL_SC | MAC_MII_CONTROL_AS |
662 MAC_MII_CONTROL_RC) << 16));
663
664 return ret;
665}
666
667static int ql_mii_write_reg_ex(struct ql3_adapter *qdev,
Ron Mercer3efedf22007-03-26 12:43:52 -0700668 u16 regAddr, u16 value, u32 phyAddr)
Ron Mercer5a4faa82006-07-25 00:40:21 -0700669{
670 struct ql3xxx_port_registers __iomem *port_regs =
671 qdev->mem_map_registers;
672 u8 scanWasEnabled;
673
674 scanWasEnabled = ql_mii_disable_scan_mode(qdev);
675
676 if (ql_wait_for_mii_ready(qdev)) {
677 if (netif_msg_link(qdev))
678 printk(KERN_WARNING PFX
679 "%s Timed out waiting for management port to "
680 "get free before issuing command.\n",
681 qdev->ndev->name);
682 return -1;
683 }
684
685 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
Ron Mercer3efedf22007-03-26 12:43:52 -0700686 phyAddr | regAddr);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700687
688 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtDataReg, value);
689
690 /* Wait for write to complete 9/10/04 SJP */
691 if (ql_wait_for_mii_ready(qdev)) {
692 if (netif_msg_link(qdev))
693 printk(KERN_WARNING PFX
Joe Perches24500222007-11-19 17:48:28 -0800694 "%s: Timed out waiting for management port to "
Ron Mercer5a4faa82006-07-25 00:40:21 -0700695 "get free before issuing command.\n",
696 qdev->ndev->name);
697 return -1;
698 }
699
700 if (scanWasEnabled)
701 ql_mii_enable_scan_mode(qdev);
702
703 return 0;
704}
705
706static int ql_mii_read_reg_ex(struct ql3_adapter *qdev, u16 regAddr,
Ron Mercer3efedf22007-03-26 12:43:52 -0700707 u16 * value, u32 phyAddr)
Ron Mercer5a4faa82006-07-25 00:40:21 -0700708{
709 struct ql3xxx_port_registers __iomem *port_regs =
710 qdev->mem_map_registers;
711 u8 scanWasEnabled;
712 u32 temp;
713
714 scanWasEnabled = ql_mii_disable_scan_mode(qdev);
715
716 if (ql_wait_for_mii_ready(qdev)) {
717 if (netif_msg_link(qdev))
718 printk(KERN_WARNING PFX
719 "%s: Timed out waiting for management port to "
720 "get free before issuing command.\n",
721 qdev->ndev->name);
722 return -1;
723 }
724
725 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
Ron Mercer3efedf22007-03-26 12:43:52 -0700726 phyAddr | regAddr);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700727
728 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
729 (MAC_MII_CONTROL_RC << 16));
730
731 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
732 (MAC_MII_CONTROL_RC << 16) | MAC_MII_CONTROL_RC);
733
734 /* Wait for the read to complete */
735 if (ql_wait_for_mii_ready(qdev)) {
736 if (netif_msg_link(qdev))
737 printk(KERN_WARNING PFX
738 "%s: Timed out waiting for management port to "
739 "get free after issuing command.\n",
740 qdev->ndev->name);
741 return -1;
742 }
743
744 temp = ql_read_page0_reg(qdev, &port_regs->macMIIMgmtDataReg);
745 *value = (u16) temp;
746
747 if (scanWasEnabled)
748 ql_mii_enable_scan_mode(qdev);
749
750 return 0;
751}
752
753static int ql_mii_write_reg(struct ql3_adapter *qdev, u16 regAddr, u16 value)
754{
755 struct ql3xxx_port_registers __iomem *port_regs =
756 qdev->mem_map_registers;
757
758 ql_mii_disable_scan_mode(qdev);
759
760 if (ql_wait_for_mii_ready(qdev)) {
761 if (netif_msg_link(qdev))
762 printk(KERN_WARNING PFX
763 "%s: Timed out waiting for management port to "
764 "get free before issuing command.\n",
765 qdev->ndev->name);
766 return -1;
767 }
768
769 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
770 qdev->PHYAddr | regAddr);
771
772 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtDataReg, value);
773
774 /* Wait for write to complete. */
775 if (ql_wait_for_mii_ready(qdev)) {
776 if (netif_msg_link(qdev))
777 printk(KERN_WARNING PFX
778 "%s: Timed out waiting for management port to "
779 "get free before issuing command.\n",
780 qdev->ndev->name);
781 return -1;
782 }
783
784 ql_mii_enable_scan_mode(qdev);
785
786 return 0;
787}
788
789static int ql_mii_read_reg(struct ql3_adapter *qdev, u16 regAddr, u16 *value)
790{
791 u32 temp;
792 struct ql3xxx_port_registers __iomem *port_regs =
793 qdev->mem_map_registers;
794
795 ql_mii_disable_scan_mode(qdev);
796
797 if (ql_wait_for_mii_ready(qdev)) {
798 if (netif_msg_link(qdev))
799 printk(KERN_WARNING PFX
800 "%s: Timed out waiting for management port to "
801 "get free before issuing command.\n",
802 qdev->ndev->name);
803 return -1;
804 }
805
806 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
807 qdev->PHYAddr | regAddr);
808
809 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
810 (MAC_MII_CONTROL_RC << 16));
811
812 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
813 (MAC_MII_CONTROL_RC << 16) | MAC_MII_CONTROL_RC);
814
815 /* Wait for the read to complete */
816 if (ql_wait_for_mii_ready(qdev)) {
817 if (netif_msg_link(qdev))
818 printk(KERN_WARNING PFX
819 "%s: Timed out waiting for management port to "
820 "get free before issuing command.\n",
821 qdev->ndev->name);
822 return -1;
823 }
824
825 temp = ql_read_page0_reg(qdev, &port_regs->macMIIMgmtDataReg);
826 *value = (u16) temp;
827
828 ql_mii_enable_scan_mode(qdev);
829
830 return 0;
831}
832
833static void ql_petbi_reset(struct ql3_adapter *qdev)
834{
835 ql_mii_write_reg(qdev, PETBI_CONTROL_REG, PETBI_CTRL_SOFT_RESET);
836}
837
838static void ql_petbi_start_neg(struct ql3_adapter *qdev)
839{
840 u16 reg;
841
842 /* Enable Auto-negotiation sense */
843 ql_mii_read_reg(qdev, PETBI_TBI_CTRL, &reg);
844 reg |= PETBI_TBI_AUTO_SENSE;
845 ql_mii_write_reg(qdev, PETBI_TBI_CTRL, reg);
846
847 ql_mii_write_reg(qdev, PETBI_NEG_ADVER,
848 PETBI_NEG_PAUSE | PETBI_NEG_DUPLEX);
849
850 ql_mii_write_reg(qdev, PETBI_CONTROL_REG,
851 PETBI_CTRL_AUTO_NEG | PETBI_CTRL_RESTART_NEG |
852 PETBI_CTRL_FULL_DUPLEX | PETBI_CTRL_SPEED_1000);
853
854}
855
Ron Mercer3efedf22007-03-26 12:43:52 -0700856static void ql_petbi_reset_ex(struct ql3_adapter *qdev)
Ron Mercer5a4faa82006-07-25 00:40:21 -0700857{
858 ql_mii_write_reg_ex(qdev, PETBI_CONTROL_REG, PETBI_CTRL_SOFT_RESET,
Ron Mercer3efedf22007-03-26 12:43:52 -0700859 PHYAddr[qdev->mac_index]);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700860}
861
Ron Mercer3efedf22007-03-26 12:43:52 -0700862static void ql_petbi_start_neg_ex(struct ql3_adapter *qdev)
Ron Mercer5a4faa82006-07-25 00:40:21 -0700863{
864 u16 reg;
865
866 /* Enable Auto-negotiation sense */
Jeff Garzik9ddf7772007-10-03 13:52:23 -0400867 ql_mii_read_reg_ex(qdev, PETBI_TBI_CTRL, &reg,
Ron Mercer3efedf22007-03-26 12:43:52 -0700868 PHYAddr[qdev->mac_index]);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700869 reg |= PETBI_TBI_AUTO_SENSE;
Jeff Garzik9ddf7772007-10-03 13:52:23 -0400870 ql_mii_write_reg_ex(qdev, PETBI_TBI_CTRL, reg,
Ron Mercer3efedf22007-03-26 12:43:52 -0700871 PHYAddr[qdev->mac_index]);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700872
873 ql_mii_write_reg_ex(qdev, PETBI_NEG_ADVER,
Jeff Garzik9ddf7772007-10-03 13:52:23 -0400874 PETBI_NEG_PAUSE | PETBI_NEG_DUPLEX,
Ron Mercer3efedf22007-03-26 12:43:52 -0700875 PHYAddr[qdev->mac_index]);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700876
877 ql_mii_write_reg_ex(qdev, PETBI_CONTROL_REG,
878 PETBI_CTRL_AUTO_NEG | PETBI_CTRL_RESTART_NEG |
879 PETBI_CTRL_FULL_DUPLEX | PETBI_CTRL_SPEED_1000,
Ron Mercer3efedf22007-03-26 12:43:52 -0700880 PHYAddr[qdev->mac_index]);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700881}
882
883static void ql_petbi_init(struct ql3_adapter *qdev)
884{
885 ql_petbi_reset(qdev);
886 ql_petbi_start_neg(qdev);
887}
888
Ron Mercer3efedf22007-03-26 12:43:52 -0700889static void ql_petbi_init_ex(struct ql3_adapter *qdev)
Ron Mercer5a4faa82006-07-25 00:40:21 -0700890{
Ron Mercer3efedf22007-03-26 12:43:52 -0700891 ql_petbi_reset_ex(qdev);
892 ql_petbi_start_neg_ex(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -0700893}
894
895static int ql_is_petbi_neg_pause(struct ql3_adapter *qdev)
896{
897 u16 reg;
898
899 if (ql_mii_read_reg(qdev, PETBI_NEG_PARTNER, &reg) < 0)
900 return 0;
901
902 return (reg & PETBI_NEG_PAUSE_MASK) == PETBI_NEG_PAUSE;
903}
904
Ron Mercer3efedf22007-03-26 12:43:52 -0700905static void phyAgereSpecificInit(struct ql3_adapter *qdev, u32 miiAddr)
906{
907 printk(KERN_INFO "%s: enabling Agere specific PHY\n", qdev->ndev->name);
908 /* power down device bit 11 = 1 */
909 ql_mii_write_reg_ex(qdev, 0x00, 0x1940, miiAddr);
910 /* enable diagnostic mode bit 2 = 1 */
911 ql_mii_write_reg_ex(qdev, 0x12, 0x840e, miiAddr);
912 /* 1000MB amplitude adjust (see Agere errata) */
913 ql_mii_write_reg_ex(qdev, 0x10, 0x8805, miiAddr);
914 /* 1000MB amplitude adjust (see Agere errata) */
915 ql_mii_write_reg_ex(qdev, 0x11, 0xf03e, miiAddr);
916 /* 100MB amplitude adjust (see Agere errata) */
917 ql_mii_write_reg_ex(qdev, 0x10, 0x8806, miiAddr);
918 /* 100MB amplitude adjust (see Agere errata) */
919 ql_mii_write_reg_ex(qdev, 0x11, 0x003e, miiAddr);
920 /* 10MB amplitude adjust (see Agere errata) */
921 ql_mii_write_reg_ex(qdev, 0x10, 0x8807, miiAddr);
922 /* 10MB amplitude adjust (see Agere errata) */
923 ql_mii_write_reg_ex(qdev, 0x11, 0x1f00, miiAddr);
924 /* point to hidden reg 0x2806 */
925 ql_mii_write_reg_ex(qdev, 0x10, 0x2806, miiAddr);
926 /* Write new PHYAD w/bit 5 set */
927 ql_mii_write_reg_ex(qdev, 0x11, 0x0020 | (PHYAddr[qdev->mac_index] >> 8), miiAddr);
Jeff Garzik9ddf7772007-10-03 13:52:23 -0400928 /*
Ron Mercer3efedf22007-03-26 12:43:52 -0700929 * Disable diagnostic mode bit 2 = 0
930 * Power up device bit 11 = 0
931 * Link up (on) and activity (blink)
932 */
933 ql_mii_write_reg(qdev, 0x12, 0x840a);
934 ql_mii_write_reg(qdev, 0x00, 0x1140);
935 ql_mii_write_reg(qdev, 0x1c, 0xfaf0);
936}
937
Jeff Garzik9ddf7772007-10-03 13:52:23 -0400938static PHY_DEVICE_et getPhyType (struct ql3_adapter *qdev,
Ron Mercer3efedf22007-03-26 12:43:52 -0700939 u16 phyIdReg0, u16 phyIdReg1)
940{
941 PHY_DEVICE_et result = PHY_TYPE_UNKNOWN;
Jeff Garzik9ddf7772007-10-03 13:52:23 -0400942 u32 oui;
Ron Mercer3efedf22007-03-26 12:43:52 -0700943 u16 model;
Jeff Garzik9ddf7772007-10-03 13:52:23 -0400944 int i;
Ron Mercer3efedf22007-03-26 12:43:52 -0700945
946 if (phyIdReg0 == 0xffff) {
947 return result;
948 }
Jeff Garzik9ddf7772007-10-03 13:52:23 -0400949
Ron Mercer3efedf22007-03-26 12:43:52 -0700950 if (phyIdReg1 == 0xffff) {
951 return result;
952 }
953
954 /* oui is split between two registers */
955 oui = (phyIdReg0 << 6) | ((phyIdReg1 & PHY_OUI_1_MASK) >> 10);
956
957 model = (phyIdReg1 & PHY_MODEL_MASK) >> 4;
958
959 /* Scan table for this PHY */
960 for(i = 0; i < MAX_PHY_DEV_TYPES; i++) {
961 if ((oui == PHY_DEVICES[i].phyIdOUI) && (model == PHY_DEVICES[i].phyIdModel))
962 {
963 result = PHY_DEVICES[i].phyDevice;
964
965 printk(KERN_INFO "%s: Phy: %s\n",
966 qdev->ndev->name, PHY_DEVICES[i].name);
Jeff Garzik9ddf7772007-10-03 13:52:23 -0400967
Ron Mercer3efedf22007-03-26 12:43:52 -0700968 break;
969 }
970 }
971
972 return result;
973}
974
Ron Mercer5a4faa82006-07-25 00:40:21 -0700975static int ql_phy_get_speed(struct ql3_adapter *qdev)
976{
977 u16 reg;
978
Ron Mercer3efedf22007-03-26 12:43:52 -0700979 switch(qdev->phyType) {
980 case PHY_AGERE_ET1011C:
981 {
982 if (ql_mii_read_reg(qdev, 0x1A, &reg) < 0)
983 return 0;
984
985 reg = (reg >> 8) & 3;
986 break;
987 }
988 default:
Ron Mercer5a4faa82006-07-25 00:40:21 -0700989 if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, &reg) < 0)
990 return 0;
991
992 reg = (((reg & 0x18) >> 3) & 3);
Ron Mercer3efedf22007-03-26 12:43:52 -0700993 }
Ron Mercer5a4faa82006-07-25 00:40:21 -0700994
Ron Mercer3efedf22007-03-26 12:43:52 -0700995 switch(reg) {
996 case 2:
Ron Mercer5a4faa82006-07-25 00:40:21 -0700997 return SPEED_1000;
Ron Mercer3efedf22007-03-26 12:43:52 -0700998 case 1:
Ron Mercer5a4faa82006-07-25 00:40:21 -0700999 return SPEED_100;
Ron Mercer3efedf22007-03-26 12:43:52 -07001000 case 0:
Ron Mercer5a4faa82006-07-25 00:40:21 -07001001 return SPEED_10;
Ron Mercer3efedf22007-03-26 12:43:52 -07001002 default:
Ron Mercer5a4faa82006-07-25 00:40:21 -07001003 return -1;
Ron Mercer3efedf22007-03-26 12:43:52 -07001004 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07001005}
1006
1007static int ql_is_full_dup(struct ql3_adapter *qdev)
1008{
1009 u16 reg;
1010
Ron Mercer3efedf22007-03-26 12:43:52 -07001011 switch(qdev->phyType) {
1012 case PHY_AGERE_ET1011C:
1013 {
1014 if (ql_mii_read_reg(qdev, 0x1A, &reg))
1015 return 0;
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001016
Ron Mercer3efedf22007-03-26 12:43:52 -07001017 return ((reg & 0x0080) && (reg & 0x1000)) != 0;
1018 }
1019 case PHY_VITESSE_VSC8211:
1020 default:
1021 {
1022 if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, &reg) < 0)
1023 return 0;
1024 return (reg & PHY_AUX_DUPLEX_STAT) != 0;
1025 }
1026 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07001027}
1028
1029static int ql_is_phy_neg_pause(struct ql3_adapter *qdev)
1030{
1031 u16 reg;
1032
1033 if (ql_mii_read_reg(qdev, PHY_NEG_PARTNER, &reg) < 0)
1034 return 0;
1035
1036 return (reg & PHY_NEG_PAUSE) != 0;
1037}
1038
Ron Mercer3efedf22007-03-26 12:43:52 -07001039static int PHY_Setup(struct ql3_adapter *qdev)
1040{
1041 u16 reg1;
1042 u16 reg2;
1043 bool agereAddrChangeNeeded = false;
1044 u32 miiAddr = 0;
1045 int err;
1046
1047 /* Determine the PHY we are using by reading the ID's */
1048 err = ql_mii_read_reg(qdev, PHY_ID_0_REG, &reg1);
1049 if(err != 0) {
1050 printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG\n",
1051 qdev->ndev->name);
1052 return err;
1053 }
1054
1055 err = ql_mii_read_reg(qdev, PHY_ID_1_REG, &reg2);
1056 if(err != 0) {
1057 printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG\n",
1058 qdev->ndev->name);
1059 return err;
1060 }
1061
1062 /* Check if we have a Agere PHY */
1063 if ((reg1 == 0xffff) || (reg2 == 0xffff)) {
1064
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001065 /* Determine which MII address we should be using
Ron Mercer3efedf22007-03-26 12:43:52 -07001066 determined by the index of the card */
1067 if (qdev->mac_index == 0) {
1068 miiAddr = MII_AGERE_ADDR_1;
1069 } else {
1070 miiAddr = MII_AGERE_ADDR_2;
1071 }
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001072
Ron Mercer3efedf22007-03-26 12:43:52 -07001073 err =ql_mii_read_reg_ex(qdev, PHY_ID_0_REG, &reg1, miiAddr);
1074 if(err != 0) {
1075 printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG after Agere detected\n",
1076 qdev->ndev->name);
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001077 return err;
Ron Mercer3efedf22007-03-26 12:43:52 -07001078 }
1079
1080 err = ql_mii_read_reg_ex(qdev, PHY_ID_1_REG, &reg2, miiAddr);
1081 if(err != 0) {
1082 printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG after Agere detected\n",
1083 qdev->ndev->name);
1084 return err;
1085 }
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001086
Ron Mercer3efedf22007-03-26 12:43:52 -07001087 /* We need to remember to initialize the Agere PHY */
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001088 agereAddrChangeNeeded = true;
Ron Mercer3efedf22007-03-26 12:43:52 -07001089 }
1090
1091 /* Determine the particular PHY we have on board to apply
1092 PHY specific initializations */
1093 qdev->phyType = getPhyType(qdev, reg1, reg2);
1094
1095 if ((qdev->phyType == PHY_AGERE_ET1011C) && agereAddrChangeNeeded) {
1096 /* need this here so address gets changed */
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001097 phyAgereSpecificInit(qdev, miiAddr);
Ron Mercer3efedf22007-03-26 12:43:52 -07001098 } else if (qdev->phyType == PHY_TYPE_UNKNOWN) {
1099 printk(KERN_ERR "%s: PHY is unknown\n", qdev->ndev->name);
1100 return -EIO;
1101 }
1102
1103 return 0;
1104}
1105
Ron Mercer5a4faa82006-07-25 00:40:21 -07001106/*
1107 * Caller holds hw_lock.
1108 */
1109static void ql_mac_enable(struct ql3_adapter *qdev, u32 enable)
1110{
1111 struct ql3xxx_port_registers __iomem *port_regs =
1112 qdev->mem_map_registers;
1113 u32 value;
1114
1115 if (enable)
1116 value = (MAC_CONFIG_REG_PE | (MAC_CONFIG_REG_PE << 16));
1117 else
1118 value = (MAC_CONFIG_REG_PE << 16);
1119
1120 if (qdev->mac_index)
1121 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1122 else
1123 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1124}
1125
1126/*
1127 * Caller holds hw_lock.
1128 */
1129static void ql_mac_cfg_soft_reset(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_SR | (MAC_CONFIG_REG_SR << 16));
1137 else
1138 value = (MAC_CONFIG_REG_SR << 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 */
1149static void ql_mac_cfg_gig(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_GM | (MAC_CONFIG_REG_GM << 16));
1157 else
1158 value = (MAC_CONFIG_REG_GM << 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 */
1169static void ql_mac_cfg_full_dup(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_FD | (MAC_CONFIG_REG_FD << 16));
1177 else
1178 value = (MAC_CONFIG_REG_FD << 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 */
1189static void ql_mac_cfg_pause(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 =
1197 ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) |
1198 ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) << 16));
1199 else
1200 value = ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) << 16);
1201
1202 if (qdev->mac_index)
1203 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1204 else
1205 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1206}
1207
1208/*
1209 * Caller holds hw_lock.
1210 */
1211static int ql_is_fiber(struct ql3_adapter *qdev)
1212{
1213 struct ql3xxx_port_registers __iomem *port_regs =
1214 qdev->mem_map_registers;
1215 u32 bitToCheck = 0;
1216 u32 temp;
1217
1218 switch (qdev->mac_index) {
1219 case 0:
1220 bitToCheck = PORT_STATUS_SM0;
1221 break;
1222 case 1:
1223 bitToCheck = PORT_STATUS_SM1;
1224 break;
1225 }
1226
1227 temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1228 return (temp & bitToCheck) != 0;
1229}
1230
1231static int ql_is_auto_cfg(struct ql3_adapter *qdev)
1232{
1233 u16 reg;
1234 ql_mii_read_reg(qdev, 0x00, &reg);
1235 return (reg & 0x1000) != 0;
1236}
1237
1238/*
1239 * Caller holds hw_lock.
1240 */
1241static int ql_is_auto_neg_complete(struct ql3_adapter *qdev)
1242{
1243 struct ql3xxx_port_registers __iomem *port_regs =
1244 qdev->mem_map_registers;
1245 u32 bitToCheck = 0;
1246 u32 temp;
1247
1248 switch (qdev->mac_index) {
1249 case 0:
1250 bitToCheck = PORT_STATUS_AC0;
1251 break;
1252 case 1:
1253 bitToCheck = PORT_STATUS_AC1;
1254 break;
1255 }
1256
1257 temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1258 if (temp & bitToCheck) {
1259 if (netif_msg_link(qdev))
1260 printk(KERN_INFO PFX
1261 "%s: Auto-Negotiate complete.\n",
1262 qdev->ndev->name);
1263 return 1;
1264 } else {
1265 if (netif_msg_link(qdev))
1266 printk(KERN_WARNING PFX
1267 "%s: Auto-Negotiate incomplete.\n",
1268 qdev->ndev->name);
1269 return 0;
1270 }
1271}
1272
1273/*
1274 * ql_is_neg_pause() returns 1 if pause was negotiated to be on
1275 */
1276static int ql_is_neg_pause(struct ql3_adapter *qdev)
1277{
1278 if (ql_is_fiber(qdev))
1279 return ql_is_petbi_neg_pause(qdev);
1280 else
1281 return ql_is_phy_neg_pause(qdev);
1282}
1283
1284static int ql_auto_neg_error(struct ql3_adapter *qdev)
1285{
1286 struct ql3xxx_port_registers __iomem *port_regs =
1287 qdev->mem_map_registers;
1288 u32 bitToCheck = 0;
1289 u32 temp;
1290
1291 switch (qdev->mac_index) {
1292 case 0:
1293 bitToCheck = PORT_STATUS_AE0;
1294 break;
1295 case 1:
1296 bitToCheck = PORT_STATUS_AE1;
1297 break;
1298 }
1299 temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1300 return (temp & bitToCheck) != 0;
1301}
1302
1303static u32 ql_get_link_speed(struct ql3_adapter *qdev)
1304{
1305 if (ql_is_fiber(qdev))
1306 return SPEED_1000;
1307 else
1308 return ql_phy_get_speed(qdev);
1309}
1310
1311static int ql_is_link_full_dup(struct ql3_adapter *qdev)
1312{
1313 if (ql_is_fiber(qdev))
1314 return 1;
1315 else
1316 return ql_is_full_dup(qdev);
1317}
1318
1319/*
1320 * Caller holds hw_lock.
1321 */
1322static int ql_link_down_detect(struct ql3_adapter *qdev)
1323{
1324 struct ql3xxx_port_registers __iomem *port_regs =
1325 qdev->mem_map_registers;
1326 u32 bitToCheck = 0;
1327 u32 temp;
1328
1329 switch (qdev->mac_index) {
1330 case 0:
1331 bitToCheck = ISP_CONTROL_LINK_DN_0;
1332 break;
1333 case 1:
1334 bitToCheck = ISP_CONTROL_LINK_DN_1;
1335 break;
1336 }
1337
1338 temp =
1339 ql_read_common_reg(qdev, &port_regs->CommonRegs.ispControlStatus);
1340 return (temp & bitToCheck) != 0;
1341}
1342
1343/*
1344 * Caller holds hw_lock.
1345 */
1346static int ql_link_down_detect_clear(struct ql3_adapter *qdev)
1347{
1348 struct ql3xxx_port_registers __iomem *port_regs =
1349 qdev->mem_map_registers;
1350
1351 switch (qdev->mac_index) {
1352 case 0:
1353 ql_write_common_reg(qdev,
1354 &port_regs->CommonRegs.ispControlStatus,
1355 (ISP_CONTROL_LINK_DN_0) |
1356 (ISP_CONTROL_LINK_DN_0 << 16));
1357 break;
1358
1359 case 1:
1360 ql_write_common_reg(qdev,
1361 &port_regs->CommonRegs.ispControlStatus,
1362 (ISP_CONTROL_LINK_DN_1) |
1363 (ISP_CONTROL_LINK_DN_1 << 16));
1364 break;
1365
1366 default:
1367 return 1;
1368 }
1369
1370 return 0;
1371}
1372
1373/*
1374 * Caller holds hw_lock.
1375 */
Ron Mercer3efedf22007-03-26 12:43:52 -07001376static int ql_this_adapter_controls_port(struct ql3_adapter *qdev)
Ron Mercer5a4faa82006-07-25 00:40:21 -07001377{
1378 struct ql3xxx_port_registers __iomem *port_regs =
1379 qdev->mem_map_registers;
1380 u32 bitToCheck = 0;
1381 u32 temp;
1382
Ron Mercer3efedf22007-03-26 12:43:52 -07001383 switch (qdev->mac_index) {
Ron Mercer5a4faa82006-07-25 00:40:21 -07001384 case 0:
1385 bitToCheck = PORT_STATUS_F1_ENABLED;
1386 break;
1387 case 1:
1388 bitToCheck = PORT_STATUS_F3_ENABLED;
1389 break;
1390 default:
1391 break;
1392 }
1393
1394 temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1395 if (temp & bitToCheck) {
1396 if (netif_msg_link(qdev))
1397 printk(KERN_DEBUG PFX
1398 "%s: is not link master.\n", qdev->ndev->name);
1399 return 0;
1400 } else {
1401 if (netif_msg_link(qdev))
1402 printk(KERN_DEBUG PFX
1403 "%s: is link master.\n", qdev->ndev->name);
1404 return 1;
1405 }
1406}
1407
Ron Mercer3efedf22007-03-26 12:43:52 -07001408static void ql_phy_reset_ex(struct ql3_adapter *qdev)
Ron Mercer5a4faa82006-07-25 00:40:21 -07001409{
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001410 ql_mii_write_reg_ex(qdev, CONTROL_REG, PHY_CTRL_SOFT_RESET,
Ron Mercer3efedf22007-03-26 12:43:52 -07001411 PHYAddr[qdev->mac_index]);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001412}
1413
Ron Mercer3efedf22007-03-26 12:43:52 -07001414static void ql_phy_start_neg_ex(struct ql3_adapter *qdev)
Ron Mercer5a4faa82006-07-25 00:40:21 -07001415{
1416 u16 reg;
Ron Mercer3efedf22007-03-26 12:43:52 -07001417 u16 portConfiguration;
Ron Mercer5a4faa82006-07-25 00:40:21 -07001418
Ron Mercer3efedf22007-03-26 12:43:52 -07001419 if(qdev->phyType == PHY_AGERE_ET1011C) {
1420 /* turn off external loopback */
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001421 ql_mii_write_reg(qdev, 0x13, 0x0000);
Ron Mercer3efedf22007-03-26 12:43:52 -07001422 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07001423
Ron Mercer3efedf22007-03-26 12:43:52 -07001424 if(qdev->mac_index == 0)
1425 portConfiguration = qdev->nvram_data.macCfg_port0.portConfiguration;
1426 else
1427 portConfiguration = qdev->nvram_data.macCfg_port1.portConfiguration;
1428
1429 /* Some HBA's in the field are set to 0 and they need to
1430 be reinterpreted with a default value */
1431 if(portConfiguration == 0)
1432 portConfiguration = PORT_CONFIG_DEFAULT;
1433
1434 /* Set the 1000 advertisements */
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001435 ql_mii_read_reg_ex(qdev, PHY_GIG_CONTROL, &reg,
Ron Mercer3efedf22007-03-26 12:43:52 -07001436 PHYAddr[qdev->mac_index]);
1437 reg &= ~PHY_GIG_ALL_PARAMS;
1438
Ron Mercerad4c9a092007-11-07 13:59:07 -08001439 if(portConfiguration & PORT_CONFIG_1000MB_SPEED) {
Jeff Garzik7d2e3cb2008-05-13 01:41:58 -04001440 if(portConfiguration & PORT_CONFIG_FULL_DUPLEX_ENABLED)
Ron Mercerad4c9a092007-11-07 13:59:07 -08001441 reg |= PHY_GIG_ADV_1000F;
Jeff Garzik7d2e3cb2008-05-13 01:41:58 -04001442 else
Ron Mercerad4c9a092007-11-07 13:59:07 -08001443 reg |= PHY_GIG_ADV_1000H;
Ron Mercer3efedf22007-03-26 12:43:52 -07001444 }
1445
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001446 ql_mii_write_reg_ex(qdev, PHY_GIG_CONTROL, reg,
Ron Mercer3efedf22007-03-26 12:43:52 -07001447 PHYAddr[qdev->mac_index]);
1448
1449 /* Set the 10/100 & pause negotiation advertisements */
1450 ql_mii_read_reg_ex(qdev, PHY_NEG_ADVER, &reg,
1451 PHYAddr[qdev->mac_index]);
1452 reg &= ~PHY_NEG_ALL_PARAMS;
1453
1454 if(portConfiguration & PORT_CONFIG_SYM_PAUSE_ENABLED)
1455 reg |= PHY_NEG_ASY_PAUSE | PHY_NEG_SYM_PAUSE;
1456
1457 if(portConfiguration & PORT_CONFIG_FULL_DUPLEX_ENABLED) {
1458 if(portConfiguration & PORT_CONFIG_100MB_SPEED)
1459 reg |= PHY_NEG_ADV_100F;
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001460
Ron Mercer3efedf22007-03-26 12:43:52 -07001461 if(portConfiguration & PORT_CONFIG_10MB_SPEED)
1462 reg |= PHY_NEG_ADV_10F;
1463 }
1464
1465 if(portConfiguration & PORT_CONFIG_HALF_DUPLEX_ENABLED) {
1466 if(portConfiguration & PORT_CONFIG_100MB_SPEED)
1467 reg |= PHY_NEG_ADV_100H;
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001468
Ron Mercer3efedf22007-03-26 12:43:52 -07001469 if(portConfiguration & PORT_CONFIG_10MB_SPEED)
1470 reg |= PHY_NEG_ADV_10H;
1471 }
1472
1473 if(portConfiguration &
1474 PORT_CONFIG_1000MB_SPEED) {
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001475 reg |= 1;
Ron Mercer3efedf22007-03-26 12:43:52 -07001476 }
1477
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001478 ql_mii_write_reg_ex(qdev, PHY_NEG_ADVER, reg,
Ron Mercer3efedf22007-03-26 12:43:52 -07001479 PHYAddr[qdev->mac_index]);
1480
1481 ql_mii_read_reg_ex(qdev, CONTROL_REG, &reg, PHYAddr[qdev->mac_index]);
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001482
1483 ql_mii_write_reg_ex(qdev, CONTROL_REG,
Ron Mercer3efedf22007-03-26 12:43:52 -07001484 reg | PHY_CTRL_RESTART_NEG | PHY_CTRL_AUTO_NEG,
1485 PHYAddr[qdev->mac_index]);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001486}
1487
Ron Mercer3efedf22007-03-26 12:43:52 -07001488static void ql_phy_init_ex(struct ql3_adapter *qdev)
Ron Mercer5a4faa82006-07-25 00:40:21 -07001489{
Ron Mercer3efedf22007-03-26 12:43:52 -07001490 ql_phy_reset_ex(qdev);
1491 PHY_Setup(qdev);
1492 ql_phy_start_neg_ex(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001493}
1494
1495/*
1496 * Caller holds hw_lock.
1497 */
1498static u32 ql_get_link_state(struct ql3_adapter *qdev)
1499{
1500 struct ql3xxx_port_registers __iomem *port_regs =
1501 qdev->mem_map_registers;
1502 u32 bitToCheck = 0;
1503 u32 temp, linkState;
1504
1505 switch (qdev->mac_index) {
1506 case 0:
1507 bitToCheck = PORT_STATUS_UP0;
1508 break;
1509 case 1:
1510 bitToCheck = PORT_STATUS_UP1;
1511 break;
1512 }
1513 temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1514 if (temp & bitToCheck) {
1515 linkState = LS_UP;
1516 } else {
1517 linkState = LS_DOWN;
Ron Mercer5a4faa82006-07-25 00:40:21 -07001518 }
1519 return linkState;
1520}
1521
1522static int ql_port_start(struct ql3_adapter *qdev)
1523{
1524 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1525 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
Ron Mercer3efedf22007-03-26 12:43:52 -07001526 2) << 7)) {
1527 printk(KERN_ERR "%s: Could not get hw lock for GIO\n",
1528 qdev->ndev->name);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001529 return -1;
Ron Mercer3efedf22007-03-26 12:43:52 -07001530 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07001531
1532 if (ql_is_fiber(qdev)) {
1533 ql_petbi_init(qdev);
1534 } else {
1535 /* Copper port */
Ron Mercer3efedf22007-03-26 12:43:52 -07001536 ql_phy_init_ex(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001537 }
1538
1539 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1540 return 0;
1541}
1542
1543static int ql_finish_auto_neg(struct ql3_adapter *qdev)
1544{
1545
1546 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1547 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1548 2) << 7))
1549 return -1;
1550
1551 if (!ql_auto_neg_error(qdev)) {
1552 if (test_bit(QL_LINK_MASTER,&qdev->flags)) {
1553 /* configure the MAC */
1554 if (netif_msg_link(qdev))
1555 printk(KERN_DEBUG PFX
1556 "%s: Configuring link.\n",
1557 qdev->ndev->
1558 name);
1559 ql_mac_cfg_soft_reset(qdev, 1);
1560 ql_mac_cfg_gig(qdev,
1561 (ql_get_link_speed
1562 (qdev) ==
1563 SPEED_1000));
1564 ql_mac_cfg_full_dup(qdev,
1565 ql_is_link_full_dup
1566 (qdev));
1567 ql_mac_cfg_pause(qdev,
1568 ql_is_neg_pause
1569 (qdev));
1570 ql_mac_cfg_soft_reset(qdev, 0);
1571
1572 /* enable the MAC */
1573 if (netif_msg_link(qdev))
1574 printk(KERN_DEBUG PFX
1575 "%s: Enabling mac.\n",
1576 qdev->ndev->
1577 name);
1578 ql_mac_enable(qdev, 1);
1579 }
1580
Ron Mercer5a4faa82006-07-25 00:40:21 -07001581 qdev->port_link_state = LS_UP;
1582 netif_start_queue(qdev->ndev);
1583 netif_carrier_on(qdev->ndev);
1584 if (netif_msg_link(qdev))
1585 printk(KERN_INFO PFX
1586 "%s: Link is up at %d Mbps, %s duplex.\n",
1587 qdev->ndev->name,
1588 ql_get_link_speed(qdev),
1589 ql_is_link_full_dup(qdev)
1590 ? "full" : "half");
1591
1592 } else { /* Remote error detected */
1593
1594 if (test_bit(QL_LINK_MASTER,&qdev->flags)) {
1595 if (netif_msg_link(qdev))
1596 printk(KERN_DEBUG PFX
1597 "%s: Remote error detected. "
1598 "Calling ql_port_start().\n",
1599 qdev->ndev->
1600 name);
1601 /*
1602 * ql_port_start() is shared code and needs
1603 * to lock the PHY on it's own.
1604 */
1605 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1606 if(ql_port_start(qdev)) {/* Restart port */
1607 return -1;
1608 } else
1609 return 0;
1610 }
1611 }
1612 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1613 return 0;
1614}
1615
Ron Mercer3e23b7d2007-11-07 13:59:06 -08001616static void ql_link_state_machine_work(struct work_struct *work)
Ron Mercer5a4faa82006-07-25 00:40:21 -07001617{
Ron Mercer3e23b7d2007-11-07 13:59:06 -08001618 struct ql3_adapter *qdev =
1619 container_of(work, struct ql3_adapter, link_state_work.work);
1620
Ron Mercer5a4faa82006-07-25 00:40:21 -07001621 u32 curr_link_state;
1622 unsigned long hw_flags;
1623
1624 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1625
1626 curr_link_state = ql_get_link_state(qdev);
1627
1628 if (test_bit(QL_RESET_ACTIVE,&qdev->flags)) {
1629 if (netif_msg_link(qdev))
1630 printk(KERN_INFO PFX
1631 "%s: Reset in progress, skip processing link "
1632 "state.\n", qdev->ndev->name);
Benjamin Li04f10772007-02-26 11:06:35 -08001633
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001634 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
Ron Mercer3e23b7d2007-11-07 13:59:06 -08001635
1636 /* Restart timer on 2 second interval. */
1637 mod_timer(&qdev->adapter_timer, jiffies + HZ * 1);\
1638
Ron Mercer5a4faa82006-07-25 00:40:21 -07001639 return;
1640 }
1641
1642 switch (qdev->port_link_state) {
1643 default:
1644 if (test_bit(QL_LINK_MASTER,&qdev->flags)) {
1645 ql_port_start(qdev);
1646 }
1647 qdev->port_link_state = LS_DOWN;
1648 /* Fall Through */
1649
1650 case LS_DOWN:
Ron Mercer5a4faa82006-07-25 00:40:21 -07001651 if (curr_link_state == LS_UP) {
1652 if (netif_msg_link(qdev))
Ron Mercer0f807042008-11-11 07:54:54 +00001653 printk(KERN_INFO PFX "%s: Link is up.\n",
Ron Mercer5a4faa82006-07-25 00:40:21 -07001654 qdev->ndev->name);
1655 if (ql_is_auto_neg_complete(qdev))
1656 ql_finish_auto_neg(qdev);
1657
1658 if (qdev->port_link_state == LS_UP)
1659 ql_link_down_detect_clear(qdev);
1660
Ron Mercer0f807042008-11-11 07:54:54 +00001661 qdev->port_link_state = LS_UP;
Ron Mercer5a4faa82006-07-25 00:40:21 -07001662 }
1663 break;
1664
1665 case LS_UP:
1666 /*
1667 * See if the link is currently down or went down and came
1668 * back up
1669 */
Ron Mercer0f807042008-11-11 07:54:54 +00001670 if (curr_link_state == LS_DOWN) {
Ron Mercer5a4faa82006-07-25 00:40:21 -07001671 if (netif_msg_link(qdev))
1672 printk(KERN_INFO PFX "%s: Link is down.\n",
1673 qdev->ndev->name);
1674 qdev->port_link_state = LS_DOWN;
1675 }
Ron Mercer0f807042008-11-11 07:54:54 +00001676 if (ql_link_down_detect(qdev))
1677 qdev->port_link_state = LS_DOWN;
Ron Mercer5a4faa82006-07-25 00:40:21 -07001678 break;
1679 }
1680 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
Ron Mercer3e23b7d2007-11-07 13:59:06 -08001681
1682 /* Restart timer on 2 second interval. */
1683 mod_timer(&qdev->adapter_timer, jiffies + HZ * 1);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001684}
1685
1686/*
1687 * Caller must take hw_lock and QL_PHY_GIO_SEM.
1688 */
1689static void ql_get_phy_owner(struct ql3_adapter *qdev)
1690{
Ron Mercer3efedf22007-03-26 12:43:52 -07001691 if (ql_this_adapter_controls_port(qdev))
Ron Mercer5a4faa82006-07-25 00:40:21 -07001692 set_bit(QL_LINK_MASTER,&qdev->flags);
1693 else
1694 clear_bit(QL_LINK_MASTER,&qdev->flags);
1695}
1696
1697/*
1698 * Caller must take hw_lock and QL_PHY_GIO_SEM.
1699 */
1700static void ql_init_scan_mode(struct ql3_adapter *qdev)
1701{
1702 ql_mii_enable_scan_mode(qdev);
1703
1704 if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
Ron Mercer3efedf22007-03-26 12:43:52 -07001705 if (ql_this_adapter_controls_port(qdev))
1706 ql_petbi_init_ex(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001707 } else {
Ron Mercer3efedf22007-03-26 12:43:52 -07001708 if (ql_this_adapter_controls_port(qdev))
1709 ql_phy_init_ex(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001710 }
1711}
1712
1713/*
1714 * MII_Setup needs to be called before taking the PHY out of reset so that the
1715 * management interface clock speed can be set properly. It would be better if
1716 * we had a way to disable MDC until after the PHY is out of reset, but we
1717 * don't have that capability.
1718 */
1719static int ql_mii_setup(struct ql3_adapter *qdev)
1720{
1721 u32 reg;
1722 struct ql3xxx_port_registers __iomem *port_regs =
1723 qdev->mem_map_registers;
1724
1725 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1726 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1727 2) << 7))
1728 return -1;
1729
Ron Mercerbd36b0a2007-01-03 16:26:08 -08001730 if (qdev->device_id == QL3032_DEVICE_ID)
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001731 ql_write_page0_reg(qdev,
Ron Mercerbd36b0a2007-01-03 16:26:08 -08001732 &port_regs->macMIIMgmtControlReg, 0x0f00000);
1733
Ron Mercer5a4faa82006-07-25 00:40:21 -07001734 /* Divide 125MHz clock by 28 to meet PHY timing requirements */
1735 reg = MAC_MII_CONTROL_CLK_SEL_DIV28;
1736
1737 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
1738 reg | ((MAC_MII_CONTROL_CLK_SEL_MASK) << 16));
1739
1740 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1741 return 0;
1742}
1743
1744static u32 ql_supported_modes(struct ql3_adapter *qdev)
1745{
1746 u32 supported;
1747
1748 if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
1749 supported = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE
1750 | SUPPORTED_Autoneg;
1751 } else {
1752 supported = SUPPORTED_10baseT_Half
1753 | SUPPORTED_10baseT_Full
1754 | SUPPORTED_100baseT_Half
1755 | SUPPORTED_100baseT_Full
1756 | SUPPORTED_1000baseT_Half
1757 | SUPPORTED_1000baseT_Full
1758 | SUPPORTED_Autoneg | SUPPORTED_TP;
1759 }
1760
1761 return supported;
1762}
1763
1764static int ql_get_auto_cfg_status(struct ql3_adapter *qdev)
1765{
1766 int status;
1767 unsigned long hw_flags;
1768 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1769 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1770 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
Benjamin Li04f10772007-02-26 11:06:35 -08001771 2) << 7)) {
1772 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001773 return 0;
Benjamin Li04f10772007-02-26 11:06:35 -08001774 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07001775 status = ql_is_auto_cfg(qdev);
1776 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1777 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1778 return status;
1779}
1780
1781static u32 ql_get_speed(struct ql3_adapter *qdev)
1782{
1783 u32 status;
1784 unsigned long hw_flags;
1785 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1786 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1787 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
Benjamin Li04f10772007-02-26 11:06:35 -08001788 2) << 7)) {
1789 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001790 return 0;
Benjamin Li04f10772007-02-26 11:06:35 -08001791 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07001792 status = ql_get_link_speed(qdev);
1793 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1794 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1795 return status;
1796}
1797
1798static int ql_get_full_dup(struct ql3_adapter *qdev)
1799{
1800 int status;
1801 unsigned long hw_flags;
1802 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1803 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1804 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
Benjamin Li04f10772007-02-26 11:06:35 -08001805 2) << 7)) {
1806 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001807 return 0;
Benjamin Li04f10772007-02-26 11:06:35 -08001808 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07001809 status = ql_is_link_full_dup(qdev);
1810 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1811 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1812 return status;
1813}
1814
1815
1816static int ql_get_settings(struct net_device *ndev, struct ethtool_cmd *ecmd)
1817{
1818 struct ql3_adapter *qdev = netdev_priv(ndev);
1819
1820 ecmd->transceiver = XCVR_INTERNAL;
1821 ecmd->supported = ql_supported_modes(qdev);
1822
1823 if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
1824 ecmd->port = PORT_FIBRE;
1825 } else {
1826 ecmd->port = PORT_TP;
1827 ecmd->phy_address = qdev->PHYAddr;
1828 }
1829 ecmd->advertising = ql_supported_modes(qdev);
1830 ecmd->autoneg = ql_get_auto_cfg_status(qdev);
1831 ecmd->speed = ql_get_speed(qdev);
1832 ecmd->duplex = ql_get_full_dup(qdev);
1833 return 0;
1834}
1835
1836static void ql_get_drvinfo(struct net_device *ndev,
1837 struct ethtool_drvinfo *drvinfo)
1838{
1839 struct ql3_adapter *qdev = netdev_priv(ndev);
1840 strncpy(drvinfo->driver, ql3xxx_driver_name, 32);
1841 strncpy(drvinfo->version, ql3xxx_driver_version, 32);
1842 strncpy(drvinfo->fw_version, "N/A", 32);
1843 strncpy(drvinfo->bus_info, pci_name(qdev->pdev), 32);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001844 drvinfo->regdump_len = 0;
1845 drvinfo->eedump_len = 0;
1846}
1847
1848static u32 ql_get_msglevel(struct net_device *ndev)
1849{
1850 struct ql3_adapter *qdev = netdev_priv(ndev);
1851 return qdev->msg_enable;
1852}
1853
1854static void ql_set_msglevel(struct net_device *ndev, u32 value)
1855{
1856 struct ql3_adapter *qdev = netdev_priv(ndev);
1857 qdev->msg_enable = value;
1858}
1859
Ron Mercerec826382007-03-26 13:43:01 -07001860static void ql_get_pauseparam(struct net_device *ndev,
1861 struct ethtool_pauseparam *pause)
1862{
1863 struct ql3_adapter *qdev = netdev_priv(ndev);
1864 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1865
1866 u32 reg;
1867 if(qdev->mac_index == 0)
1868 reg = ql_read_page0_reg(qdev, &port_regs->mac0ConfigReg);
1869 else
1870 reg = ql_read_page0_reg(qdev, &port_regs->mac1ConfigReg);
1871
1872 pause->autoneg = ql_get_auto_cfg_status(qdev);
1873 pause->rx_pause = (reg & MAC_CONFIG_REG_RF) >> 2;
1874 pause->tx_pause = (reg & MAC_CONFIG_REG_TF) >> 1;
1875}
1876
Jeff Garzik7282d492006-09-13 14:30:00 -04001877static const struct ethtool_ops ql3xxx_ethtool_ops = {
Ron Mercer5a4faa82006-07-25 00:40:21 -07001878 .get_settings = ql_get_settings,
1879 .get_drvinfo = ql_get_drvinfo,
Ron Mercer5a4faa82006-07-25 00:40:21 -07001880 .get_link = ethtool_op_get_link,
1881 .get_msglevel = ql_get_msglevel,
1882 .set_msglevel = ql_set_msglevel,
Ron Mercerec826382007-03-26 13:43:01 -07001883 .get_pauseparam = ql_get_pauseparam,
Ron Mercer5a4faa82006-07-25 00:40:21 -07001884};
1885
1886static int ql_populate_free_queue(struct ql3_adapter *qdev)
1887{
1888 struct ql_rcv_buf_cb *lrg_buf_cb = qdev->lrg_buf_free_head;
Benjamin Li0f8ab892007-02-26 11:06:40 -08001889 dma_addr_t map;
1890 int err;
Ron Mercer5a4faa82006-07-25 00:40:21 -07001891
1892 while (lrg_buf_cb) {
1893 if (!lrg_buf_cb->skb) {
Benjamin Licd238fa2007-02-26 11:06:33 -08001894 lrg_buf_cb->skb = netdev_alloc_skb(qdev->ndev,
1895 qdev->lrg_buffer_len);
Ron Mercer5a4faa82006-07-25 00:40:21 -07001896 if (unlikely(!lrg_buf_cb->skb)) {
1897 printk(KERN_DEBUG PFX
Benjamin Licd238fa2007-02-26 11:06:33 -08001898 "%s: Failed netdev_alloc_skb().\n",
Ron Mercer5a4faa82006-07-25 00:40:21 -07001899 qdev->ndev->name);
1900 break;
1901 } else {
1902 /*
1903 * We save some space to copy the ethhdr from
1904 * first buffer
1905 */
1906 skb_reserve(lrg_buf_cb->skb, QL_HEADER_SPACE);
1907 map = pci_map_single(qdev->pdev,
1908 lrg_buf_cb->skb->data,
1909 qdev->lrg_buffer_len -
1910 QL_HEADER_SPACE,
1911 PCI_DMA_FROMDEVICE);
Benjamin Li0f8ab892007-02-26 11:06:40 -08001912
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001913 err = pci_dma_mapping_error(qdev->pdev, map);
Benjamin Li0f8ab892007-02-26 11:06:40 -08001914 if(err) {
Jeff Garzik9ddf7772007-10-03 13:52:23 -04001915 printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
Benjamin Li0f8ab892007-02-26 11:06:40 -08001916 qdev->ndev->name, err);
1917 dev_kfree_skb(lrg_buf_cb->skb);
1918 lrg_buf_cb->skb = NULL;
1919 break;
1920 }
1921
1922
Ron Mercer5a4faa82006-07-25 00:40:21 -07001923 lrg_buf_cb->buf_phy_addr_low =
1924 cpu_to_le32(LS_64BITS(map));
1925 lrg_buf_cb->buf_phy_addr_high =
1926 cpu_to_le32(MS_64BITS(map));
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00001927 dma_unmap_addr_set(lrg_buf_cb, mapaddr, map);
1928 dma_unmap_len_set(lrg_buf_cb, maplen,
Ron Mercer5a4faa82006-07-25 00:40:21 -07001929 qdev->lrg_buffer_len -
1930 QL_HEADER_SPACE);
1931 --qdev->lrg_buf_skb_check;
1932 if (!qdev->lrg_buf_skb_check)
1933 return 1;
1934 }
1935 }
1936 lrg_buf_cb = lrg_buf_cb->next;
1937 }
1938 return 0;
1939}
1940
1941/*
1942 * Caller holds hw_lock.
1943 */
Ron Mercerf67cac02007-03-26 13:42:59 -07001944static void ql_update_small_bufq_prod_index(struct ql3_adapter *qdev)
1945{
1946 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1947 if (qdev->small_buf_release_cnt >= 16) {
1948 while (qdev->small_buf_release_cnt >= 16) {
1949 qdev->small_buf_q_producer_index++;
1950
1951 if (qdev->small_buf_q_producer_index ==
1952 NUM_SBUFQ_ENTRIES)
1953 qdev->small_buf_q_producer_index = 0;
1954 qdev->small_buf_release_cnt -= 8;
1955 }
1956 wmb();
1957 writel(qdev->small_buf_q_producer_index,
1958 &port_regs->CommonRegs.rxSmallQProducerIndex);
1959 }
1960}
1961
1962/*
1963 * Caller holds hw_lock.
1964 */
Ron Mercer5a4faa82006-07-25 00:40:21 -07001965static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev)
1966{
1967 struct bufq_addr_element *lrg_buf_q_ele;
1968 int i;
1969 struct ql_rcv_buf_cb *lrg_buf_cb;
1970 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1971
Joe Perches8e95a202009-12-03 07:58:21 +00001972 if ((qdev->lrg_buf_free_count >= 8) &&
1973 (qdev->lrg_buf_release_cnt >= 16)) {
Ron Mercer5a4faa82006-07-25 00:40:21 -07001974
1975 if (qdev->lrg_buf_skb_check)
1976 if (!ql_populate_free_queue(qdev))
1977 return;
1978
1979 lrg_buf_q_ele = qdev->lrg_buf_next_free;
1980
Joe Perches8e95a202009-12-03 07:58:21 +00001981 while ((qdev->lrg_buf_release_cnt >= 16) &&
1982 (qdev->lrg_buf_free_count >= 8)) {
Ron Mercer5a4faa82006-07-25 00:40:21 -07001983
1984 for (i = 0; i < 8; i++) {
1985 lrg_buf_cb =
1986 ql_get_from_lrg_buf_free_list(qdev);
1987 lrg_buf_q_ele->addr_high =
1988 lrg_buf_cb->buf_phy_addr_high;
1989 lrg_buf_q_ele->addr_low =
1990 lrg_buf_cb->buf_phy_addr_low;
1991 lrg_buf_q_ele++;
1992
1993 qdev->lrg_buf_release_cnt--;
1994 }
1995
1996 qdev->lrg_buf_q_producer_index++;
1997
Ron Mercer1357bfc2007-02-26 11:06:37 -08001998 if (qdev->lrg_buf_q_producer_index == qdev->num_lbufq_entries)
Ron Mercer5a4faa82006-07-25 00:40:21 -07001999 qdev->lrg_buf_q_producer_index = 0;
2000
2001 if (qdev->lrg_buf_q_producer_index ==
Ron Mercer1357bfc2007-02-26 11:06:37 -08002002 (qdev->num_lbufq_entries - 1)) {
Ron Mercer5a4faa82006-07-25 00:40:21 -07002003 lrg_buf_q_ele = qdev->lrg_buf_q_virt_addr;
2004 }
2005 }
Ron Mercerf67cac02007-03-26 13:42:59 -07002006 wmb();
Ron Mercer5a4faa82006-07-25 00:40:21 -07002007 qdev->lrg_buf_next_free = lrg_buf_q_ele;
Ron Mercerf67cac02007-03-26 13:42:59 -07002008 writel(qdev->lrg_buf_q_producer_index,
2009 &port_regs->CommonRegs.rxLargeQProducerIndex);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002010 }
2011}
2012
2013static void ql_process_mac_tx_intr(struct ql3_adapter *qdev,
2014 struct ob_mac_iocb_rsp *mac_rsp)
2015{
2016 struct ql_tx_buf_cb *tx_cb;
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002017 int i;
Benjamin Lie8f4df22007-02-26 11:06:42 -08002018 int retval = 0;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002019
Benjamin Lie8f4df22007-02-26 11:06:42 -08002020 if(mac_rsp->flags & OB_MAC_IOCB_RSP_S) {
2021 printk(KERN_WARNING "Frame short but, frame was padded and sent.\n");
2022 }
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002023
Ron Mercer5a4faa82006-07-25 00:40:21 -07002024 tx_cb = &qdev->tx_buf[mac_rsp->transaction_id];
Benjamin Lie8f4df22007-02-26 11:06:42 -08002025
2026 /* Check the transmit response flags for any errors */
2027 if(mac_rsp->flags & OB_MAC_IOCB_RSP_S) {
2028 printk(KERN_ERR "Frame too short to be legal, frame not sent.\n");
2029
Jeff Garzik09f75cd2007-10-03 17:41:50 -07002030 qdev->ndev->stats.tx_errors++;
Benjamin Lie8f4df22007-02-26 11:06:42 -08002031 retval = -EIO;
2032 goto frame_not_sent;
2033 }
2034
2035 if(tx_cb->seg_count == 0) {
2036 printk(KERN_ERR "tx_cb->seg_count == 0: %d\n", mac_rsp->transaction_id);
2037
Jeff Garzik09f75cd2007-10-03 17:41:50 -07002038 qdev->ndev->stats.tx_errors++;
Benjamin Lie8f4df22007-02-26 11:06:42 -08002039 retval = -EIO;
2040 goto invalid_seg_count;
2041 }
2042
Ron Mercer5a4faa82006-07-25 00:40:21 -07002043 pci_unmap_single(qdev->pdev,
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002044 dma_unmap_addr(&tx_cb->map[0], mapaddr),
2045 dma_unmap_len(&tx_cb->map[0], maplen),
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002046 PCI_DMA_TODEVICE);
2047 tx_cb->seg_count--;
2048 if (tx_cb->seg_count) {
2049 for (i = 1; i < tx_cb->seg_count; i++) {
2050 pci_unmap_page(qdev->pdev,
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002051 dma_unmap_addr(&tx_cb->map[i],
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002052 mapaddr),
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002053 dma_unmap_len(&tx_cb->map[i], maplen),
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002054 PCI_DMA_TODEVICE);
2055 }
2056 }
Jeff Garzik09f75cd2007-10-03 17:41:50 -07002057 qdev->ndev->stats.tx_packets++;
2058 qdev->ndev->stats.tx_bytes += tx_cb->skb->len;
Benjamin Lie8f4df22007-02-26 11:06:42 -08002059
2060frame_not_sent:
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002061 dev_kfree_skb_irq(tx_cb->skb);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002062 tx_cb->skb = NULL;
Benjamin Lie8f4df22007-02-26 11:06:42 -08002063
2064invalid_seg_count:
Ron Mercer5a4faa82006-07-25 00:40:21 -07002065 atomic_inc(&qdev->tx_count);
2066}
2067
Adrian Bunk36640062007-03-05 02:49:27 +01002068static void ql_get_sbuf(struct ql3_adapter *qdev)
Ron Mercer97916332007-02-26 11:06:38 -08002069{
2070 if (++qdev->small_buf_index == NUM_SMALL_BUFFERS)
2071 qdev->small_buf_index = 0;
2072 qdev->small_buf_release_cnt++;
2073}
2074
Adrian Bunk36640062007-03-05 02:49:27 +01002075static struct ql_rcv_buf_cb *ql_get_lbuf(struct ql3_adapter *qdev)
Ron Mercer97916332007-02-26 11:06:38 -08002076{
2077 struct ql_rcv_buf_cb *lrg_buf_cb = NULL;
2078 lrg_buf_cb = &qdev->lrg_buf[qdev->lrg_buf_index];
2079 qdev->lrg_buf_release_cnt++;
2080 if (++qdev->lrg_buf_index == qdev->num_large_buffers)
2081 qdev->lrg_buf_index = 0;
2082 return(lrg_buf_cb);
2083}
2084
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002085/*
2086 * The difference between 3022 and 3032 for inbound completions:
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002087 * 3022 uses two buffers per completion. The first buffer contains
2088 * (some) header info, the second the remainder of the headers plus
2089 * the data. For this chip we reserve some space at the top of the
2090 * receive buffer so that the header info in buffer one can be
2091 * prepended to the buffer two. Buffer two is the sent up while
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002092 * buffer one is returned to the hardware to be reused.
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002093 * 3032 receives all of it's data and headers in one buffer for a
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002094 * simpler process. 3032 also supports checksum verification as
2095 * can be seen in ql_process_macip_rx_intr().
2096 */
Ron Mercer5a4faa82006-07-25 00:40:21 -07002097static void ql_process_mac_rx_intr(struct ql3_adapter *qdev,
2098 struct ib_mac_iocb_rsp *ib_mac_rsp_ptr)
2099{
Ron Mercer5a4faa82006-07-25 00:40:21 -07002100 struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL;
2101 struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002102 struct sk_buff *skb;
2103 u16 length = le16_to_cpu(ib_mac_rsp_ptr->length);
2104
2105 /*
2106 * Get the inbound address list (small buffer).
2107 */
Ron Mercer97916332007-02-26 11:06:38 -08002108 ql_get_sbuf(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002109
Ron Mercer97916332007-02-26 11:06:38 -08002110 if (qdev->device_id == QL3022_DEVICE_ID)
2111 lrg_buf_cb1 = ql_get_lbuf(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002112
2113 /* start of second buffer */
Ron Mercer97916332007-02-26 11:06:38 -08002114 lrg_buf_cb2 = ql_get_lbuf(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002115 skb = lrg_buf_cb2->skb;
2116
Jeff Garzik09f75cd2007-10-03 17:41:50 -07002117 qdev->ndev->stats.rx_packets++;
2118 qdev->ndev->stats.rx_bytes += length;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002119
2120 skb_put(skb, length);
2121 pci_unmap_single(qdev->pdev,
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002122 dma_unmap_addr(lrg_buf_cb2, mapaddr),
2123 dma_unmap_len(lrg_buf_cb2, maplen),
Ron Mercer5a4faa82006-07-25 00:40:21 -07002124 PCI_DMA_FROMDEVICE);
2125 prefetch(skb->data);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002126 skb->ip_summed = CHECKSUM_NONE;
2127 skb->protocol = eth_type_trans(skb, qdev->ndev);
2128
2129 netif_receive_skb(skb);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002130 lrg_buf_cb2->skb = NULL;
2131
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002132 if (qdev->device_id == QL3022_DEVICE_ID)
2133 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb1);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002134 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb2);
2135}
2136
2137static void ql_process_macip_rx_intr(struct ql3_adapter *qdev,
2138 struct ib_ip_iocb_rsp *ib_ip_rsp_ptr)
2139{
Ron Mercer5a4faa82006-07-25 00:40:21 -07002140 struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL;
2141 struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL;
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002142 struct sk_buff *skb1 = NULL, *skb2;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002143 struct net_device *ndev = qdev->ndev;
2144 u16 length = le16_to_cpu(ib_ip_rsp_ptr->length);
2145 u16 size = 0;
2146
2147 /*
2148 * Get the inbound address list (small buffer).
2149 */
2150
Ron Mercer97916332007-02-26 11:06:38 -08002151 ql_get_sbuf(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002152
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002153 if (qdev->device_id == QL3022_DEVICE_ID) {
2154 /* start of first buffer on 3022 */
Ron Mercer97916332007-02-26 11:06:38 -08002155 lrg_buf_cb1 = ql_get_lbuf(qdev);
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002156 skb1 = lrg_buf_cb1->skb;
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002157 size = ETH_HLEN;
2158 if (*((u16 *) skb1->data) != 0xFFFF)
2159 size += VLAN_ETH_HLEN - ETH_HLEN;
2160 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07002161
2162 /* start of second buffer */
Ron Mercer97916332007-02-26 11:06:38 -08002163 lrg_buf_cb2 = ql_get_lbuf(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002164 skb2 = lrg_buf_cb2->skb;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002165
Ron Mercer5a4faa82006-07-25 00:40:21 -07002166 skb_put(skb2, length); /* Just the second buffer length here. */
2167 pci_unmap_single(qdev->pdev,
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002168 dma_unmap_addr(lrg_buf_cb2, mapaddr),
2169 dma_unmap_len(lrg_buf_cb2, maplen),
Ron Mercer5a4faa82006-07-25 00:40:21 -07002170 PCI_DMA_FROMDEVICE);
2171 prefetch(skb2->data);
2172
Ron Mercer5a4faa82006-07-25 00:40:21 -07002173 skb2->ip_summed = CHECKSUM_NONE;
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002174 if (qdev->device_id == QL3022_DEVICE_ID) {
2175 /*
2176 * Copy the ethhdr from first buffer to second. This
2177 * is necessary for 3022 IP completions.
2178 */
Arnaldo Carvalho de Melod626f622007-03-27 18:55:52 -03002179 skb_copy_from_linear_data_offset(skb1, VLAN_ID_LEN,
2180 skb_push(skb2, size), size);
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002181 } else {
2182 u16 checksum = le16_to_cpu(ib_ip_rsp_ptr->checksum);
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002183 if (checksum &
2184 (IB_IP_IOCB_RSP_3032_ICE |
2185 IB_IP_IOCB_RSP_3032_CE)) {
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002186 printk(KERN_ERR
2187 "%s: Bad checksum for this %s packet, checksum = %x.\n",
2188 __func__,
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002189 ((checksum &
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002190 IB_IP_IOCB_RSP_3032_TCP) ? "TCP" :
2191 "UDP"),checksum);
Ron Mercerb3b15142007-03-26 13:43:00 -07002192 } else if ((checksum & IB_IP_IOCB_RSP_3032_TCP) ||
2193 (checksum & IB_IP_IOCB_RSP_3032_UDP &&
2194 !(checksum & IB_IP_IOCB_RSP_3032_NUC))) {
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002195 skb2->ip_summed = CHECKSUM_UNNECESSARY;
Ron Mercerb3b15142007-03-26 13:43:00 -07002196 }
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002197 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07002198 skb2->protocol = eth_type_trans(skb2, qdev->ndev);
2199
2200 netif_receive_skb(skb2);
Jeff Garzik09f75cd2007-10-03 17:41:50 -07002201 ndev->stats.rx_packets++;
2202 ndev->stats.rx_bytes += length;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002203 lrg_buf_cb2->skb = NULL;
2204
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002205 if (qdev->device_id == QL3022_DEVICE_ID)
2206 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb1);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002207 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb2);
2208}
2209
2210static int ql_tx_rx_clean(struct ql3_adapter *qdev,
2211 int *tx_cleaned, int *rx_cleaned, int work_to_do)
2212{
Ron Mercer5a4faa82006-07-25 00:40:21 -07002213 struct net_rsp_iocb *net_rsp;
2214 struct net_device *ndev = qdev->ndev;
Ron Mercer63b66d12007-02-26 11:06:41 -08002215 int work_done = 0;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002216
2217 /* While there are entries in the completion queue. */
Ron Mercerf67cac02007-03-26 13:42:59 -07002218 while ((le32_to_cpu(*(qdev->prsp_producer_index)) !=
Ron Mercer63b66d12007-02-26 11:06:41 -08002219 qdev->rsp_consumer_index) && (work_done < work_to_do)) {
Ron Mercer5a4faa82006-07-25 00:40:21 -07002220
2221 net_rsp = qdev->rsp_current;
Ron Mercerb323e0e2007-10-01 11:43:22 -07002222 rmb();
Ron Mercer50626292007-10-01 11:43:23 -07002223 /*
2224 * Fix 4032 chipe undocumented "feature" where bit-8 is set if the
2225 * inbound completion is for a VLAN.
2226 */
2227 if (qdev->device_id == QL3032_DEVICE_ID)
2228 net_rsp->opcode &= 0x7f;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002229 switch (net_rsp->opcode) {
2230
2231 case OPCODE_OB_MAC_IOCB_FN0:
2232 case OPCODE_OB_MAC_IOCB_FN2:
2233 ql_process_mac_tx_intr(qdev, (struct ob_mac_iocb_rsp *)
2234 net_rsp);
2235 (*tx_cleaned)++;
2236 break;
2237
2238 case OPCODE_IB_MAC_IOCB:
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002239 case OPCODE_IB_3032_MAC_IOCB:
Ron Mercer5a4faa82006-07-25 00:40:21 -07002240 ql_process_mac_rx_intr(qdev, (struct ib_mac_iocb_rsp *)
2241 net_rsp);
2242 (*rx_cleaned)++;
2243 break;
2244
2245 case OPCODE_IB_IP_IOCB:
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002246 case OPCODE_IB_3032_IP_IOCB:
Ron Mercer5a4faa82006-07-25 00:40:21 -07002247 ql_process_macip_rx_intr(qdev, (struct ib_ip_iocb_rsp *)
2248 net_rsp);
2249 (*rx_cleaned)++;
2250 break;
2251 default:
2252 {
2253 u32 *tmp = (u32 *) net_rsp;
2254 printk(KERN_ERR PFX
2255 "%s: Hit default case, not "
2256 "handled!\n"
2257 " dropping the packet, opcode = "
2258 "%x.\n",
2259 ndev->name, net_rsp->opcode);
2260 printk(KERN_ERR PFX
Frans Pop2381a552010-03-24 07:57:36 +00002261 "0x%08lx 0x%08lx 0x%08lx 0x%08lx\n",
Ron Mercer5a4faa82006-07-25 00:40:21 -07002262 (unsigned long int)tmp[0],
2263 (unsigned long int)tmp[1],
2264 (unsigned long int)tmp[2],
2265 (unsigned long int)tmp[3]);
2266 }
2267 }
2268
2269 qdev->rsp_consumer_index++;
2270
2271 if (qdev->rsp_consumer_index == NUM_RSP_Q_ENTRIES) {
2272 qdev->rsp_consumer_index = 0;
2273 qdev->rsp_current = qdev->rsp_q_virt_addr;
2274 } else {
2275 qdev->rsp_current++;
2276 }
Ron Mercer63b66d12007-02-26 11:06:41 -08002277
2278 work_done = *tx_cleaned + *rx_cleaned;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002279 }
2280
Ron Mercerf67cac02007-03-26 13:42:59 -07002281 return work_done;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002282}
2283
Stephen Hemmingerbea33482007-10-03 16:41:36 -07002284static int ql_poll(struct napi_struct *napi, int budget)
Ron Mercer5a4faa82006-07-25 00:40:21 -07002285{
Stephen Hemmingerbea33482007-10-03 16:41:36 -07002286 struct ql3_adapter *qdev = container_of(napi, struct ql3_adapter, napi);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002287 int rx_cleaned = 0, tx_cleaned = 0;
Ron Mercer63b66d12007-02-26 11:06:41 -08002288 unsigned long hw_flags;
2289 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002290
Stephen Hemmingerbea33482007-10-03 16:41:36 -07002291 ql_tx_rx_clean(qdev, &tx_cleaned, &rx_cleaned, budget);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002292
David S. Miller4ec24112008-01-07 20:48:21 -08002293 if (tx_cleaned + rx_cleaned != budget) {
Ron Mercer63b66d12007-02-26 11:06:41 -08002294 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
Ben Hutchings288379f2009-01-19 16:43:59 -08002295 __napi_complete(napi);
Ron Mercerf67cac02007-03-26 13:42:59 -07002296 ql_update_small_bufq_prod_index(qdev);
2297 ql_update_lrg_bufq_prod_index(qdev);
2298 writel(qdev->rsp_consumer_index,
2299 &port_regs->CommonRegs.rspQConsumerIndex);
Ron Mercer63b66d12007-02-26 11:06:41 -08002300 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
2301
Ron Mercer5a4faa82006-07-25 00:40:21 -07002302 ql_enable_interrupts(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002303 }
Stephen Hemmingerbea33482007-10-03 16:41:36 -07002304 return tx_cleaned + rx_cleaned;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002305}
2306
David Howells7d12e782006-10-05 14:55:46 +01002307static irqreturn_t ql3xxx_isr(int irq, void *dev_id)
Ron Mercer5a4faa82006-07-25 00:40:21 -07002308{
2309
2310 struct net_device *ndev = dev_id;
2311 struct ql3_adapter *qdev = netdev_priv(ndev);
2312 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2313 u32 value;
2314 int handled = 1;
2315 u32 var;
2316
2317 port_regs = qdev->mem_map_registers;
2318
2319 value =
2320 ql_read_common_reg_l(qdev, &port_regs->CommonRegs.ispControlStatus);
2321
2322 if (value & (ISP_CONTROL_FE | ISP_CONTROL_RI)) {
2323 spin_lock(&qdev->adapter_lock);
2324 netif_stop_queue(qdev->ndev);
2325 netif_carrier_off(qdev->ndev);
2326 ql_disable_interrupts(qdev);
2327 qdev->port_link_state = LS_DOWN;
2328 set_bit(QL_RESET_ACTIVE,&qdev->flags) ;
2329
2330 if (value & ISP_CONTROL_FE) {
2331 /*
2332 * Chip Fatal Error.
2333 */
2334 var =
2335 ql_read_page0_reg_l(qdev,
2336 &port_regs->PortFatalErrStatus);
2337 printk(KERN_WARNING PFX
2338 "%s: Resetting chip. PortFatalErrStatus "
2339 "register = 0x%x\n", ndev->name, var);
2340 set_bit(QL_RESET_START,&qdev->flags) ;
2341 } else {
2342 /*
2343 * Soft Reset Requested.
2344 */
2345 set_bit(QL_RESET_PER_SCSI,&qdev->flags) ;
2346 printk(KERN_ERR PFX
2347 "%s: Another function issued a reset to the "
2348 "chip. ISR value = %x.\n", ndev->name, value);
2349 }
David Howellsc4028952006-11-22 14:57:56 +00002350 queue_delayed_work(qdev->workqueue, &qdev->reset_work, 0);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002351 spin_unlock(&qdev->adapter_lock);
2352 } else if (value & ISP_IMR_DISABLE_CMPL_INT) {
Benjamin Lie8f4df22007-02-26 11:06:42 -08002353 ql_disable_interrupts(qdev);
Ben Hutchings288379f2009-01-19 16:43:59 -08002354 if (likely(napi_schedule_prep(&qdev->napi))) {
2355 __napi_schedule(&qdev->napi);
Ron Mercer63b66d12007-02-26 11:06:41 -08002356 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07002357 } else {
2358 return IRQ_NONE;
2359 }
2360
2361 return IRQ_RETVAL(handled);
2362}
2363
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002364/*
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002365 * Get the total number of segments needed for the
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002366 * given number of fragments. This is necessary because
2367 * outbound address lists (OAL) will be used when more than
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002368 * two frags are given. Each address list has 5 addr/len
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002369 * pairs. The 5th pair in each AOL is used to point to
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002370 * the next AOL if more frags are coming.
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002371 * That is why the frags:segment count ratio is not linear.
2372 */
Benjamin Lie8f4df22007-02-26 11:06:42 -08002373static int ql_get_seg_count(struct ql3_adapter *qdev,
2374 unsigned short frags)
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002375{
Benjamin Lie8f4df22007-02-26 11:06:42 -08002376 if (qdev->device_id == QL3022_DEVICE_ID)
2377 return 1;
2378
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002379 switch(frags) {
2380 case 0: return 1; /* just the skb->data seg */
2381 case 1: return 2; /* skb->data + 1 frag */
2382 case 2: return 3; /* skb->data + 2 frags */
2383 case 3: return 5; /* skb->data + 1 frag + 1 AOL containting 2 frags */
2384 case 4: return 6;
2385 case 5: return 7;
2386 case 6: return 8;
2387 case 7: return 10;
2388 case 8: return 11;
2389 case 9: return 12;
2390 case 10: return 13;
2391 case 11: return 15;
2392 case 12: return 16;
2393 case 13: return 17;
2394 case 14: return 18;
2395 case 15: return 20;
2396 case 16: return 21;
2397 case 17: return 22;
2398 case 18: return 23;
2399 }
2400 return -1;
2401}
2402
Stephen Hemminger91e745a2007-05-30 14:23:18 -07002403static void ql_hw_csum_setup(const struct sk_buff *skb,
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002404 struct ob_mac_iocb_req *mac_iocb_ptr)
2405{
Stephen Hemminger91e745a2007-05-30 14:23:18 -07002406 const struct iphdr *ip = ip_hdr(skb);
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002407
Stephen Hemminger91e745a2007-05-30 14:23:18 -07002408 mac_iocb_ptr->ip_hdr_off = skb_network_offset(skb);
2409 mac_iocb_ptr->ip_hdr_len = ip->ihl;
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002410
Stephen Hemminger91e745a2007-05-30 14:23:18 -07002411 if (ip->protocol == IPPROTO_TCP) {
2412 mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_TC |
2413 OB_3032MAC_IOCB_REQ_IC;
2414 } else {
2415 mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_UC |
2416 OB_3032MAC_IOCB_REQ_IC;
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002417 }
2418
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002419}
2420
2421/*
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002422 * Map the buffers for this transmit. This will return
2423 * NETDEV_TX_BUSY or NETDEV_TX_OK based on success.
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002424 */
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002425static int ql_send_map(struct ql3_adapter *qdev,
2426 struct ob_mac_iocb_req *mac_iocb_ptr,
2427 struct ql_tx_buf_cb *tx_cb,
2428 struct sk_buff *skb)
Ron Mercer5a4faa82006-07-25 00:40:21 -07002429{
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002430 struct oal *oal;
2431 struct oal_entry *oal_entry;
Ron Mercer63f77922007-02-28 16:42:17 -08002432 int len = skb_headlen(skb);
Benjamin Li0f8ab892007-02-26 11:06:40 -08002433 dma_addr_t map;
2434 int err;
2435 int completed_segs, i;
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002436 int seg_cnt, seg = 0;
2437 int frag_cnt = (int)skb_shinfo(skb)->nr_frags;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002438
Ron Mercerb6967eb2007-03-26 13:42:58 -07002439 seg_cnt = tx_cb->seg_count;
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002440 /*
2441 * Map the skb buffer first.
2442 */
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002443 map = pci_map_single(qdev->pdev, skb->data, len, PCI_DMA_TODEVICE);
Benjamin Li0f8ab892007-02-26 11:06:40 -08002444
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07002445 err = pci_dma_mapping_error(qdev->pdev, map);
Benjamin Li0f8ab892007-02-26 11:06:40 -08002446 if(err) {
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002447 printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
Benjamin Li0f8ab892007-02-26 11:06:40 -08002448 qdev->ndev->name, err);
2449
2450 return NETDEV_TX_BUSY;
2451 }
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002452
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002453 oal_entry = (struct oal_entry *)&mac_iocb_ptr->buf_addr0_low;
2454 oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2455 oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2456 oal_entry->len = cpu_to_le32(len);
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002457 dma_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
2458 dma_unmap_len_set(&tx_cb->map[seg], maplen, len);
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002459 seg++;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002460
Benjamin Lie8f4df22007-02-26 11:06:42 -08002461 if (seg_cnt == 1) {
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002462 /* Terminate the last segment. */
Marcin Slusarzb39b5a22008-03-04 15:19:20 -08002463 oal_entry->len |= cpu_to_le32(OAL_LAST_ENTRY);
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002464 } else {
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002465 oal = tx_cb->oal;
Benjamin Li0f8ab892007-02-26 11:06:40 -08002466 for (completed_segs=0; completed_segs<frag_cnt; completed_segs++,seg++) {
2467 skb_frag_t *frag = &skb_shinfo(skb)->frags[completed_segs];
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002468 oal_entry++;
2469 if ((seg == 2 && seg_cnt > 3) || /* Check for continuation */
2470 (seg == 7 && seg_cnt > 8) || /* requirements. It's strange */
2471 (seg == 12 && seg_cnt > 13) || /* but necessary. */
2472 (seg == 17 && seg_cnt > 18)) {
2473 /* Continuation entry points to outbound address list. */
2474 map = pci_map_single(qdev->pdev, oal,
2475 sizeof(struct oal),
2476 PCI_DMA_TODEVICE);
Benjamin Li0f8ab892007-02-26 11:06:40 -08002477
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07002478 err = pci_dma_mapping_error(qdev->pdev, map);
Benjamin Li0f8ab892007-02-26 11:06:40 -08002479 if(err) {
2480
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002481 printk(KERN_ERR "%s: PCI mapping outbound address list with error: %d\n",
Benjamin Li0f8ab892007-02-26 11:06:40 -08002482 qdev->ndev->name, err);
2483 goto map_error;
2484 }
2485
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002486 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 =
2489 cpu_to_le32(sizeof(struct oal) |
2490 OAL_CONT_ENTRY);
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002491 dma_unmap_addr_set(&tx_cb->map[seg], mapaddr,
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002492 map);
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002493 dma_unmap_len_set(&tx_cb->map[seg], maplen,
Ron Mercerb6967eb2007-03-26 13:42:58 -07002494 sizeof(struct oal));
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002495 oal_entry = (struct oal_entry *)oal;
2496 oal++;
2497 seg++;
2498 }
2499
2500 map =
2501 pci_map_page(qdev->pdev, frag->page,
2502 frag->page_offset, frag->size,
2503 PCI_DMA_TODEVICE);
Benjamin Li0f8ab892007-02-26 11:06:40 -08002504
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07002505 err = pci_dma_mapping_error(qdev->pdev, map);
Benjamin Li0f8ab892007-02-26 11:06:40 -08002506 if(err) {
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002507 printk(KERN_ERR "%s: PCI mapping frags failed with error: %d\n",
Benjamin Li0f8ab892007-02-26 11:06:40 -08002508 qdev->ndev->name, err);
2509 goto map_error;
2510 }
2511
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002512 oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2513 oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2514 oal_entry->len = cpu_to_le32(frag->size);
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002515 dma_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
2516 dma_unmap_len_set(&tx_cb->map[seg], maplen,
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002517 frag->size);
2518 }
2519 /* Terminate the last segment. */
Marcin Slusarzb39b5a22008-03-04 15:19:20 -08002520 oal_entry->len |= cpu_to_le32(OAL_LAST_ENTRY);
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002521 }
Benjamin Li0f8ab892007-02-26 11:06:40 -08002522
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002523 return NETDEV_TX_OK;
Benjamin Li0f8ab892007-02-26 11:06:40 -08002524
2525map_error:
2526 /* A PCI mapping failed and now we will need to back out
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002527 * We need to traverse through the oal's and associated pages which
Benjamin Li0f8ab892007-02-26 11:06:40 -08002528 * have been mapped and now we must unmap them to clean up properly
2529 */
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002530
Benjamin Li0f8ab892007-02-26 11:06:40 -08002531 seg = 1;
2532 oal_entry = (struct oal_entry *)&mac_iocb_ptr->buf_addr0_low;
2533 oal = tx_cb->oal;
2534 for (i=0; i<completed_segs; i++,seg++) {
2535 oal_entry++;
2536
2537 if((seg == 2 && seg_cnt > 3) || /* Check for continuation */
2538 (seg == 7 && seg_cnt > 8) || /* requirements. It's strange */
2539 (seg == 12 && seg_cnt > 13) || /* but necessary. */
2540 (seg == 17 && seg_cnt > 18)) {
2541 pci_unmap_single(qdev->pdev,
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002542 dma_unmap_addr(&tx_cb->map[seg], mapaddr),
2543 dma_unmap_len(&tx_cb->map[seg], maplen),
Benjamin Li0f8ab892007-02-26 11:06:40 -08002544 PCI_DMA_TODEVICE);
2545 oal++;
2546 seg++;
2547 }
2548
2549 pci_unmap_page(qdev->pdev,
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002550 dma_unmap_addr(&tx_cb->map[seg], mapaddr),
2551 dma_unmap_len(&tx_cb->map[seg], maplen),
Benjamin Li0f8ab892007-02-26 11:06:40 -08002552 PCI_DMA_TODEVICE);
2553 }
2554
2555 pci_unmap_single(qdev->pdev,
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002556 dma_unmap_addr(&tx_cb->map[0], mapaddr),
2557 dma_unmap_addr(&tx_cb->map[0], maplen),
Benjamin Li0f8ab892007-02-26 11:06:40 -08002558 PCI_DMA_TODEVICE);
2559
2560 return NETDEV_TX_BUSY;
2561
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002562}
2563
2564/*
2565 * The difference between 3022 and 3032 sends:
2566 * 3022 only supports a simple single segment transmission.
2567 * 3032 supports checksumming and scatter/gather lists (fragments).
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002568 * The 3032 supports sglists by using the 3 addr/len pairs (ALP)
2569 * in the IOCB plus a chain of outbound address lists (OAL) that
2570 * each contain 5 ALPs. The last ALP of the IOCB (3rd) or OAL (5th)
2571 * will used to point to an OAL when more ALP entries are required.
2572 * The IOCB is always the top of the chain followed by one or more
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002573 * OALs (when necessary).
2574 */
Stephen Hemminger613573252009-08-31 19:50:58 +00002575static netdev_tx_t ql3xxx_send(struct sk_buff *skb,
2576 struct net_device *ndev)
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002577{
2578 struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
2579 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2580 struct ql_tx_buf_cb *tx_cb;
2581 u32 tot_len = skb->len;
2582 struct ob_mac_iocb_req *mac_iocb_ptr;
2583
2584 if (unlikely(atomic_read(&qdev->tx_count) < 2)) {
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002585 return NETDEV_TX_BUSY;
2586 }
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002587
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002588 tx_cb = &qdev->tx_buf[qdev->req_producer_index] ;
Benjamin Lie8f4df22007-02-26 11:06:42 -08002589 if((tx_cb->seg_count = ql_get_seg_count(qdev,
2590 (skb_shinfo(skb)->nr_frags))) == -1) {
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002591 printk(KERN_ERR PFX"%s: invalid segment count!\n",__func__);
2592 return NETDEV_TX_OK;
2593 }
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002594
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002595 mac_iocb_ptr = tx_cb->queue_entry;
Ron Mercerd8a759f2007-03-26 13:42:57 -07002596 memset((void *)mac_iocb_ptr, 0, sizeof(struct ob_mac_iocb_req));
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002597 mac_iocb_ptr->opcode = qdev->mac_ob_opcode;
2598 mac_iocb_ptr->flags = OB_MAC_IOCB_REQ_X;
2599 mac_iocb_ptr->flags |= qdev->mb_bit_mask;
2600 mac_iocb_ptr->transaction_id = qdev->req_producer_index;
2601 mac_iocb_ptr->data_len = cpu_to_le16((u16) tot_len);
2602 tx_cb->skb = skb;
Benjamin Lie8f4df22007-02-26 11:06:42 -08002603 if (qdev->device_id == QL3032_DEVICE_ID &&
2604 skb->ip_summed == CHECKSUM_PARTIAL)
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002605 ql_hw_csum_setup(skb, mac_iocb_ptr);
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002606
Ron Mercer3e71f6d2007-02-26 11:06:39 -08002607 if(ql_send_map(qdev,mac_iocb_ptr,tx_cb,skb) != NETDEV_TX_OK) {
2608 printk(KERN_ERR PFX"%s: Could not map the segments!\n",__func__);
2609 return NETDEV_TX_BUSY;
2610 }
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002611
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002612 wmb();
Ron Mercer5a4faa82006-07-25 00:40:21 -07002613 qdev->req_producer_index++;
2614 if (qdev->req_producer_index == NUM_REQ_Q_ENTRIES)
2615 qdev->req_producer_index = 0;
2616 wmb();
2617 ql_write_common_reg_l(qdev,
Al Viroee111d12006-09-25 02:53:53 +01002618 &port_regs->CommonRegs.reqQProducerIndex,
Ron Mercer5a4faa82006-07-25 00:40:21 -07002619 qdev->req_producer_index);
2620
Ron Mercer5a4faa82006-07-25 00:40:21 -07002621 if (netif_msg_tx_queued(qdev))
2622 printk(KERN_DEBUG PFX "%s: tx queued, slot %d, len %d\n",
2623 ndev->name, qdev->req_producer_index, skb->len);
2624
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002625 atomic_dec(&qdev->tx_count);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002626 return NETDEV_TX_OK;
2627}
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002628
Ron Mercer5a4faa82006-07-25 00:40:21 -07002629static int ql_alloc_net_req_rsp_queues(struct ql3_adapter *qdev)
2630{
2631 qdev->req_q_size =
2632 (u32) (NUM_REQ_Q_ENTRIES * sizeof(struct ob_mac_iocb_req));
2633
2634 qdev->req_q_virt_addr =
2635 pci_alloc_consistent(qdev->pdev,
2636 (size_t) qdev->req_q_size,
2637 &qdev->req_q_phy_addr);
2638
2639 if ((qdev->req_q_virt_addr == NULL) ||
2640 LS_64BITS(qdev->req_q_phy_addr) & (qdev->req_q_size - 1)) {
2641 printk(KERN_ERR PFX "%s: reqQ failed.\n",
2642 qdev->ndev->name);
2643 return -ENOMEM;
2644 }
2645
2646 qdev->rsp_q_size = NUM_RSP_Q_ENTRIES * sizeof(struct net_rsp_iocb);
2647
2648 qdev->rsp_q_virt_addr =
2649 pci_alloc_consistent(qdev->pdev,
2650 (size_t) qdev->rsp_q_size,
2651 &qdev->rsp_q_phy_addr);
2652
2653 if ((qdev->rsp_q_virt_addr == NULL) ||
2654 LS_64BITS(qdev->rsp_q_phy_addr) & (qdev->rsp_q_size - 1)) {
2655 printk(KERN_ERR PFX
2656 "%s: rspQ allocation failed\n",
2657 qdev->ndev->name);
2658 pci_free_consistent(qdev->pdev, (size_t) qdev->req_q_size,
2659 qdev->req_q_virt_addr,
2660 qdev->req_q_phy_addr);
2661 return -ENOMEM;
2662 }
2663
2664 set_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags);
2665
2666 return 0;
2667}
2668
2669static void ql_free_net_req_rsp_queues(struct ql3_adapter *qdev)
2670{
2671 if (!test_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags)) {
2672 printk(KERN_INFO PFX
2673 "%s: Already done.\n", qdev->ndev->name);
2674 return;
2675 }
2676
2677 pci_free_consistent(qdev->pdev,
2678 qdev->req_q_size,
2679 qdev->req_q_virt_addr, qdev->req_q_phy_addr);
2680
2681 qdev->req_q_virt_addr = NULL;
2682
2683 pci_free_consistent(qdev->pdev,
2684 qdev->rsp_q_size,
2685 qdev->rsp_q_virt_addr, qdev->rsp_q_phy_addr);
2686
2687 qdev->rsp_q_virt_addr = NULL;
2688
2689 clear_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags);
2690}
2691
2692static int ql_alloc_buffer_queues(struct ql3_adapter *qdev)
2693{
2694 /* Create Large Buffer Queue */
2695 qdev->lrg_buf_q_size =
Ron Mercer1357bfc2007-02-26 11:06:37 -08002696 qdev->num_lbufq_entries * sizeof(struct lrg_buf_q_entry);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002697 if (qdev->lrg_buf_q_size < PAGE_SIZE)
2698 qdev->lrg_buf_q_alloc_size = PAGE_SIZE;
2699 else
2700 qdev->lrg_buf_q_alloc_size = qdev->lrg_buf_q_size * 2;
2701
Ron Mercer1357bfc2007-02-26 11:06:37 -08002702 qdev->lrg_buf = kmalloc(qdev->num_large_buffers * sizeof(struct ql_rcv_buf_cb),GFP_KERNEL);
2703 if (qdev->lrg_buf == NULL) {
2704 printk(KERN_ERR PFX
2705 "%s: qdev->lrg_buf alloc failed.\n", qdev->ndev->name);
2706 return -ENOMEM;
2707 }
Jeff Garzik9ddf7772007-10-03 13:52:23 -04002708
Ron Mercer5a4faa82006-07-25 00:40:21 -07002709 qdev->lrg_buf_q_alloc_virt_addr =
2710 pci_alloc_consistent(qdev->pdev,
2711 qdev->lrg_buf_q_alloc_size,
2712 &qdev->lrg_buf_q_alloc_phy_addr);
2713
2714 if (qdev->lrg_buf_q_alloc_virt_addr == NULL) {
2715 printk(KERN_ERR PFX
2716 "%s: lBufQ failed\n", qdev->ndev->name);
2717 return -ENOMEM;
2718 }
2719 qdev->lrg_buf_q_virt_addr = qdev->lrg_buf_q_alloc_virt_addr;
2720 qdev->lrg_buf_q_phy_addr = qdev->lrg_buf_q_alloc_phy_addr;
2721
2722 /* Create Small Buffer Queue */
2723 qdev->small_buf_q_size =
2724 NUM_SBUFQ_ENTRIES * sizeof(struct lrg_buf_q_entry);
2725 if (qdev->small_buf_q_size < PAGE_SIZE)
2726 qdev->small_buf_q_alloc_size = PAGE_SIZE;
2727 else
2728 qdev->small_buf_q_alloc_size = qdev->small_buf_q_size * 2;
2729
2730 qdev->small_buf_q_alloc_virt_addr =
2731 pci_alloc_consistent(qdev->pdev,
2732 qdev->small_buf_q_alloc_size,
2733 &qdev->small_buf_q_alloc_phy_addr);
2734
2735 if (qdev->small_buf_q_alloc_virt_addr == NULL) {
2736 printk(KERN_ERR PFX
2737 "%s: Small Buffer Queue allocation failed.\n",
2738 qdev->ndev->name);
2739 pci_free_consistent(qdev->pdev, qdev->lrg_buf_q_alloc_size,
2740 qdev->lrg_buf_q_alloc_virt_addr,
2741 qdev->lrg_buf_q_alloc_phy_addr);
2742 return -ENOMEM;
2743 }
2744
2745 qdev->small_buf_q_virt_addr = qdev->small_buf_q_alloc_virt_addr;
2746 qdev->small_buf_q_phy_addr = qdev->small_buf_q_alloc_phy_addr;
2747 set_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags);
2748 return 0;
2749}
2750
2751static void ql_free_buffer_queues(struct ql3_adapter *qdev)
2752{
2753 if (!test_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags)) {
2754 printk(KERN_INFO PFX
2755 "%s: Already done.\n", qdev->ndev->name);
2756 return;
2757 }
Ron Mercer1357bfc2007-02-26 11:06:37 -08002758 if(qdev->lrg_buf) kfree(qdev->lrg_buf);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002759 pci_free_consistent(qdev->pdev,
2760 qdev->lrg_buf_q_alloc_size,
2761 qdev->lrg_buf_q_alloc_virt_addr,
2762 qdev->lrg_buf_q_alloc_phy_addr);
2763
2764 qdev->lrg_buf_q_virt_addr = NULL;
2765
2766 pci_free_consistent(qdev->pdev,
2767 qdev->small_buf_q_alloc_size,
2768 qdev->small_buf_q_alloc_virt_addr,
2769 qdev->small_buf_q_alloc_phy_addr);
2770
2771 qdev->small_buf_q_virt_addr = NULL;
2772
2773 clear_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags);
2774}
2775
2776static int ql_alloc_small_buffers(struct ql3_adapter *qdev)
2777{
2778 int i;
2779 struct bufq_addr_element *small_buf_q_entry;
2780
2781 /* Currently we allocate on one of memory and use it for smallbuffers */
2782 qdev->small_buf_total_size =
2783 (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES *
2784 QL_SMALL_BUFFER_SIZE);
2785
2786 qdev->small_buf_virt_addr =
2787 pci_alloc_consistent(qdev->pdev,
2788 qdev->small_buf_total_size,
2789 &qdev->small_buf_phy_addr);
2790
2791 if (qdev->small_buf_virt_addr == NULL) {
2792 printk(KERN_ERR PFX
2793 "%s: Failed to get small buffer memory.\n",
2794 qdev->ndev->name);
2795 return -ENOMEM;
2796 }
2797
2798 qdev->small_buf_phy_addr_low = LS_64BITS(qdev->small_buf_phy_addr);
2799 qdev->small_buf_phy_addr_high = MS_64BITS(qdev->small_buf_phy_addr);
2800
2801 small_buf_q_entry = qdev->small_buf_q_virt_addr;
2802
Ron Mercer5a4faa82006-07-25 00:40:21 -07002803 /* Initialize the small buffer queue. */
2804 for (i = 0; i < (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES); i++) {
2805 small_buf_q_entry->addr_high =
2806 cpu_to_le32(qdev->small_buf_phy_addr_high);
2807 small_buf_q_entry->addr_low =
2808 cpu_to_le32(qdev->small_buf_phy_addr_low +
2809 (i * QL_SMALL_BUFFER_SIZE));
2810 small_buf_q_entry++;
2811 }
2812 qdev->small_buf_index = 0;
2813 set_bit(QL_ALLOC_SMALL_BUF_DONE,&qdev->flags);
2814 return 0;
2815}
2816
2817static void ql_free_small_buffers(struct ql3_adapter *qdev)
2818{
2819 if (!test_bit(QL_ALLOC_SMALL_BUF_DONE,&qdev->flags)) {
2820 printk(KERN_INFO PFX
2821 "%s: Already done.\n", qdev->ndev->name);
2822 return;
2823 }
2824 if (qdev->small_buf_virt_addr != NULL) {
2825 pci_free_consistent(qdev->pdev,
2826 qdev->small_buf_total_size,
2827 qdev->small_buf_virt_addr,
2828 qdev->small_buf_phy_addr);
2829
2830 qdev->small_buf_virt_addr = NULL;
2831 }
2832}
2833
2834static void ql_free_large_buffers(struct ql3_adapter *qdev)
2835{
2836 int i = 0;
2837 struct ql_rcv_buf_cb *lrg_buf_cb;
2838
Ron Mercer1357bfc2007-02-26 11:06:37 -08002839 for (i = 0; i < qdev->num_large_buffers; i++) {
Ron Mercer5a4faa82006-07-25 00:40:21 -07002840 lrg_buf_cb = &qdev->lrg_buf[i];
2841 if (lrg_buf_cb->skb) {
2842 dev_kfree_skb(lrg_buf_cb->skb);
2843 pci_unmap_single(qdev->pdev,
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002844 dma_unmap_addr(lrg_buf_cb, mapaddr),
2845 dma_unmap_len(lrg_buf_cb, maplen),
Ron Mercer5a4faa82006-07-25 00:40:21 -07002846 PCI_DMA_FROMDEVICE);
2847 memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb));
2848 } else {
2849 break;
2850 }
2851 }
2852}
2853
2854static void ql_init_large_buffers(struct ql3_adapter *qdev)
2855{
2856 int i;
2857 struct ql_rcv_buf_cb *lrg_buf_cb;
2858 struct bufq_addr_element *buf_addr_ele = qdev->lrg_buf_q_virt_addr;
2859
Ron Mercer1357bfc2007-02-26 11:06:37 -08002860 for (i = 0; i < qdev->num_large_buffers; i++) {
Ron Mercer5a4faa82006-07-25 00:40:21 -07002861 lrg_buf_cb = &qdev->lrg_buf[i];
2862 buf_addr_ele->addr_high = lrg_buf_cb->buf_phy_addr_high;
2863 buf_addr_ele->addr_low = lrg_buf_cb->buf_phy_addr_low;
2864 buf_addr_ele++;
2865 }
2866 qdev->lrg_buf_index = 0;
2867 qdev->lrg_buf_skb_check = 0;
2868}
2869
2870static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
2871{
2872 int i;
2873 struct ql_rcv_buf_cb *lrg_buf_cb;
2874 struct sk_buff *skb;
Benjamin Li0f8ab892007-02-26 11:06:40 -08002875 dma_addr_t map;
2876 int err;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002877
Ron Mercer1357bfc2007-02-26 11:06:37 -08002878 for (i = 0; i < qdev->num_large_buffers; i++) {
Benjamin Licd238fa2007-02-26 11:06:33 -08002879 skb = netdev_alloc_skb(qdev->ndev,
2880 qdev->lrg_buffer_len);
Ron Mercer5a4faa82006-07-25 00:40:21 -07002881 if (unlikely(!skb)) {
2882 /* Better luck next round */
2883 printk(KERN_ERR PFX
2884 "%s: large buff alloc failed, "
2885 "for %d bytes at index %d.\n",
2886 qdev->ndev->name,
2887 qdev->lrg_buffer_len * 2, i);
2888 ql_free_large_buffers(qdev);
2889 return -ENOMEM;
2890 } else {
2891
2892 lrg_buf_cb = &qdev->lrg_buf[i];
2893 memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb));
2894 lrg_buf_cb->index = i;
2895 lrg_buf_cb->skb = skb;
2896 /*
2897 * We save some space to copy the ethhdr from first
2898 * buffer
2899 */
2900 skb_reserve(skb, QL_HEADER_SPACE);
2901 map = pci_map_single(qdev->pdev,
2902 skb->data,
2903 qdev->lrg_buffer_len -
2904 QL_HEADER_SPACE,
2905 PCI_DMA_FROMDEVICE);
Benjamin Li0f8ab892007-02-26 11:06:40 -08002906
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07002907 err = pci_dma_mapping_error(qdev->pdev, map);
Benjamin Li0f8ab892007-02-26 11:06:40 -08002908 if(err) {
2909 printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
2910 qdev->ndev->name, err);
2911 ql_free_large_buffers(qdev);
2912 return -ENOMEM;
2913 }
2914
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00002915 dma_unmap_addr_set(lrg_buf_cb, mapaddr, map);
2916 dma_unmap_len_set(lrg_buf_cb, maplen,
Ron Mercer5a4faa82006-07-25 00:40:21 -07002917 qdev->lrg_buffer_len -
2918 QL_HEADER_SPACE);
2919 lrg_buf_cb->buf_phy_addr_low =
2920 cpu_to_le32(LS_64BITS(map));
2921 lrg_buf_cb->buf_phy_addr_high =
2922 cpu_to_le32(MS_64BITS(map));
2923 }
2924 }
2925 return 0;
2926}
2927
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002928static void ql_free_send_free_list(struct ql3_adapter *qdev)
2929{
2930 struct ql_tx_buf_cb *tx_cb;
2931 int i;
2932
2933 tx_cb = &qdev->tx_buf[0];
2934 for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
2935 if (tx_cb->oal) {
2936 kfree(tx_cb->oal);
2937 tx_cb->oal = NULL;
2938 }
2939 tx_cb++;
2940 }
2941}
2942
2943static int ql_create_send_free_list(struct ql3_adapter *qdev)
Ron Mercer5a4faa82006-07-25 00:40:21 -07002944{
2945 struct ql_tx_buf_cb *tx_cb;
2946 int i;
2947 struct ob_mac_iocb_req *req_q_curr =
2948 qdev->req_q_virt_addr;
2949
2950 /* Create free list of transmit buffers */
2951 for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002952
Ron Mercer5a4faa82006-07-25 00:40:21 -07002953 tx_cb = &qdev->tx_buf[i];
2954 tx_cb->skb = NULL;
2955 tx_cb->queue_entry = req_q_curr;
2956 req_q_curr++;
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002957 tx_cb->oal = kmalloc(512, GFP_KERNEL);
2958 if (tx_cb->oal == NULL)
2959 return -1;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002960 }
Ron Mercerbd36b0a2007-01-03 16:26:08 -08002961 return 0;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002962}
2963
2964static int ql_alloc_mem_resources(struct ql3_adapter *qdev)
2965{
Ron Mercer1357bfc2007-02-26 11:06:37 -08002966 if (qdev->ndev->mtu == NORMAL_MTU_SIZE) {
2967 qdev->num_lbufq_entries = NUM_LBUFQ_ENTRIES;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002968 qdev->lrg_buffer_len = NORMAL_MTU_SIZE;
Ron Mercer1357bfc2007-02-26 11:06:37 -08002969 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07002970 else if (qdev->ndev->mtu == JUMBO_MTU_SIZE) {
Ron Mercer1357bfc2007-02-26 11:06:37 -08002971 /*
2972 * Bigger buffers, so less of them.
2973 */
2974 qdev->num_lbufq_entries = JUMBO_NUM_LBUFQ_ENTRIES;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002975 qdev->lrg_buffer_len = JUMBO_MTU_SIZE;
2976 } else {
2977 printk(KERN_ERR PFX
2978 "%s: Invalid mtu size. Only 1500 and 9000 are accepted.\n",
2979 qdev->ndev->name);
2980 return -ENOMEM;
2981 }
Ron Mercer1357bfc2007-02-26 11:06:37 -08002982 qdev->num_large_buffers = qdev->num_lbufq_entries * QL_ADDR_ELE_PER_BUFQ_ENTRY;
Ron Mercer5a4faa82006-07-25 00:40:21 -07002983 qdev->lrg_buffer_len += VLAN_ETH_HLEN + VLAN_ID_LEN + QL_HEADER_SPACE;
2984 qdev->max_frame_size =
2985 (qdev->lrg_buffer_len - QL_HEADER_SPACE) + ETHERNET_CRC_SIZE;
2986
2987 /*
2988 * First allocate a page of shared memory and use it for shadow
2989 * locations of Network Request Queue Consumer Address Register and
2990 * Network Completion Queue Producer Index Register
2991 */
2992 qdev->shadow_reg_virt_addr =
2993 pci_alloc_consistent(qdev->pdev,
2994 PAGE_SIZE, &qdev->shadow_reg_phy_addr);
2995
2996 if (qdev->shadow_reg_virt_addr != NULL) {
2997 qdev->preq_consumer_index = (u16 *) qdev->shadow_reg_virt_addr;
2998 qdev->req_consumer_index_phy_addr_high =
2999 MS_64BITS(qdev->shadow_reg_phy_addr);
3000 qdev->req_consumer_index_phy_addr_low =
3001 LS_64BITS(qdev->shadow_reg_phy_addr);
3002
3003 qdev->prsp_producer_index =
Al Viro804d8542007-12-22 19:44:29 +00003004 (__le32 *) (((u8 *) qdev->preq_consumer_index) + 8);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003005 qdev->rsp_producer_index_phy_addr_high =
3006 qdev->req_consumer_index_phy_addr_high;
3007 qdev->rsp_producer_index_phy_addr_low =
3008 qdev->req_consumer_index_phy_addr_low + 8;
3009 } else {
3010 printk(KERN_ERR PFX
3011 "%s: shadowReg Alloc failed.\n", qdev->ndev->name);
3012 return -ENOMEM;
3013 }
3014
3015 if (ql_alloc_net_req_rsp_queues(qdev) != 0) {
3016 printk(KERN_ERR PFX
3017 "%s: ql_alloc_net_req_rsp_queues failed.\n",
3018 qdev->ndev->name);
3019 goto err_req_rsp;
3020 }
3021
3022 if (ql_alloc_buffer_queues(qdev) != 0) {
3023 printk(KERN_ERR PFX
3024 "%s: ql_alloc_buffer_queues failed.\n",
3025 qdev->ndev->name);
3026 goto err_buffer_queues;
3027 }
3028
3029 if (ql_alloc_small_buffers(qdev) != 0) {
3030 printk(KERN_ERR PFX
3031 "%s: ql_alloc_small_buffers failed\n", qdev->ndev->name);
3032 goto err_small_buffers;
3033 }
3034
3035 if (ql_alloc_large_buffers(qdev) != 0) {
3036 printk(KERN_ERR PFX
3037 "%s: ql_alloc_large_buffers failed\n", qdev->ndev->name);
3038 goto err_small_buffers;
3039 }
3040
3041 /* Initialize the large buffer queue. */
3042 ql_init_large_buffers(qdev);
Ron Mercerbd36b0a2007-01-03 16:26:08 -08003043 if (ql_create_send_free_list(qdev))
3044 goto err_free_list;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003045
3046 qdev->rsp_current = qdev->rsp_q_virt_addr;
3047
3048 return 0;
Ron Mercerbd36b0a2007-01-03 16:26:08 -08003049err_free_list:
3050 ql_free_send_free_list(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003051err_small_buffers:
3052 ql_free_buffer_queues(qdev);
3053err_buffer_queues:
3054 ql_free_net_req_rsp_queues(qdev);
3055err_req_rsp:
3056 pci_free_consistent(qdev->pdev,
3057 PAGE_SIZE,
3058 qdev->shadow_reg_virt_addr,
3059 qdev->shadow_reg_phy_addr);
3060
3061 return -ENOMEM;
3062}
3063
3064static void ql_free_mem_resources(struct ql3_adapter *qdev)
3065{
Ron Mercerbd36b0a2007-01-03 16:26:08 -08003066 ql_free_send_free_list(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003067 ql_free_large_buffers(qdev);
3068 ql_free_small_buffers(qdev);
3069 ql_free_buffer_queues(qdev);
3070 ql_free_net_req_rsp_queues(qdev);
3071 if (qdev->shadow_reg_virt_addr != NULL) {
3072 pci_free_consistent(qdev->pdev,
3073 PAGE_SIZE,
3074 qdev->shadow_reg_virt_addr,
3075 qdev->shadow_reg_phy_addr);
3076 qdev->shadow_reg_virt_addr = NULL;
3077 }
3078}
3079
3080static int ql_init_misc_registers(struct ql3_adapter *qdev)
3081{
Al Viroee111d12006-09-25 02:53:53 +01003082 struct ql3xxx_local_ram_registers __iomem *local_ram =
3083 (void __iomem *)qdev->mem_map_registers;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003084
3085 if(ql_sem_spinlock(qdev, QL_DDR_RAM_SEM_MASK,
3086 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
3087 2) << 4))
3088 return -1;
3089
3090 ql_write_page2_reg(qdev,
3091 &local_ram->bufletSize, qdev->nvram_data.bufletSize);
3092
3093 ql_write_page2_reg(qdev,
3094 &local_ram->maxBufletCount,
3095 qdev->nvram_data.bufletCount);
3096
3097 ql_write_page2_reg(qdev,
3098 &local_ram->freeBufletThresholdLow,
3099 (qdev->nvram_data.tcpWindowThreshold25 << 16) |
3100 (qdev->nvram_data.tcpWindowThreshold0));
3101
3102 ql_write_page2_reg(qdev,
3103 &local_ram->freeBufletThresholdHigh,
3104 qdev->nvram_data.tcpWindowThreshold50);
3105
3106 ql_write_page2_reg(qdev,
3107 &local_ram->ipHashTableBase,
3108 (qdev->nvram_data.ipHashTableBaseHi << 16) |
3109 qdev->nvram_data.ipHashTableBaseLo);
3110 ql_write_page2_reg(qdev,
3111 &local_ram->ipHashTableCount,
3112 qdev->nvram_data.ipHashTableSize);
3113 ql_write_page2_reg(qdev,
3114 &local_ram->tcpHashTableBase,
3115 (qdev->nvram_data.tcpHashTableBaseHi << 16) |
3116 qdev->nvram_data.tcpHashTableBaseLo);
3117 ql_write_page2_reg(qdev,
3118 &local_ram->tcpHashTableCount,
3119 qdev->nvram_data.tcpHashTableSize);
3120 ql_write_page2_reg(qdev,
3121 &local_ram->ncbBase,
3122 (qdev->nvram_data.ncbTableBaseHi << 16) |
3123 qdev->nvram_data.ncbTableBaseLo);
3124 ql_write_page2_reg(qdev,
3125 &local_ram->maxNcbCount,
3126 qdev->nvram_data.ncbTableSize);
3127 ql_write_page2_reg(qdev,
3128 &local_ram->drbBase,
3129 (qdev->nvram_data.drbTableBaseHi << 16) |
3130 qdev->nvram_data.drbTableBaseLo);
3131 ql_write_page2_reg(qdev,
3132 &local_ram->maxDrbCount,
3133 qdev->nvram_data.drbTableSize);
3134 ql_sem_unlock(qdev, QL_DDR_RAM_SEM_MASK);
3135 return 0;
3136}
3137
3138static int ql_adapter_initialize(struct ql3_adapter *qdev)
3139{
3140 u32 value;
3141 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3142 struct ql3xxx_host_memory_registers __iomem *hmem_regs =
Al Viroee111d12006-09-25 02:53:53 +01003143 (void __iomem *)port_regs;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003144 u32 delay = 10;
3145 int status = 0;
Ron Mercer0f77ca92009-06-23 09:00:02 +00003146 unsigned long hw_flags = 0;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003147
3148 if(ql_mii_setup(qdev))
3149 return -1;
3150
3151 /* Bring out PHY out of reset */
3152 ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
3153 (ISP_SERIAL_PORT_IF_WE |
3154 (ISP_SERIAL_PORT_IF_WE << 16)));
Ron Mercere5a67372009-06-23 09:00:01 +00003155 /* Give the PHY time to come out of reset. */
3156 mdelay(100);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003157 qdev->port_link_state = LS_DOWN;
3158 netif_carrier_off(qdev->ndev);
3159
3160 /* V2 chip fix for ARS-39168. */
3161 ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
3162 (ISP_SERIAL_PORT_IF_SDE |
3163 (ISP_SERIAL_PORT_IF_SDE << 16)));
3164
3165 /* Request Queue Registers */
3166 *((u32 *) (qdev->preq_consumer_index)) = 0;
3167 atomic_set(&qdev->tx_count,NUM_REQ_Q_ENTRIES);
3168 qdev->req_producer_index = 0;
3169
3170 ql_write_page1_reg(qdev,
3171 &hmem_regs->reqConsumerIndexAddrHigh,
3172 qdev->req_consumer_index_phy_addr_high);
3173 ql_write_page1_reg(qdev,
3174 &hmem_regs->reqConsumerIndexAddrLow,
3175 qdev->req_consumer_index_phy_addr_low);
3176
3177 ql_write_page1_reg(qdev,
3178 &hmem_regs->reqBaseAddrHigh,
3179 MS_64BITS(qdev->req_q_phy_addr));
3180 ql_write_page1_reg(qdev,
3181 &hmem_regs->reqBaseAddrLow,
3182 LS_64BITS(qdev->req_q_phy_addr));
3183 ql_write_page1_reg(qdev, &hmem_regs->reqLength, NUM_REQ_Q_ENTRIES);
3184
3185 /* Response Queue Registers */
Al Viro804d8542007-12-22 19:44:29 +00003186 *((__le16 *) (qdev->prsp_producer_index)) = 0;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003187 qdev->rsp_consumer_index = 0;
3188 qdev->rsp_current = qdev->rsp_q_virt_addr;
3189
3190 ql_write_page1_reg(qdev,
3191 &hmem_regs->rspProducerIndexAddrHigh,
3192 qdev->rsp_producer_index_phy_addr_high);
3193
3194 ql_write_page1_reg(qdev,
3195 &hmem_regs->rspProducerIndexAddrLow,
3196 qdev->rsp_producer_index_phy_addr_low);
3197
3198 ql_write_page1_reg(qdev,
3199 &hmem_regs->rspBaseAddrHigh,
3200 MS_64BITS(qdev->rsp_q_phy_addr));
3201
3202 ql_write_page1_reg(qdev,
3203 &hmem_regs->rspBaseAddrLow,
3204 LS_64BITS(qdev->rsp_q_phy_addr));
3205
3206 ql_write_page1_reg(qdev, &hmem_regs->rspLength, NUM_RSP_Q_ENTRIES);
3207
3208 /* Large Buffer Queue */
3209 ql_write_page1_reg(qdev,
3210 &hmem_regs->rxLargeQBaseAddrHigh,
3211 MS_64BITS(qdev->lrg_buf_q_phy_addr));
3212
3213 ql_write_page1_reg(qdev,
3214 &hmem_regs->rxLargeQBaseAddrLow,
3215 LS_64BITS(qdev->lrg_buf_q_phy_addr));
3216
Ron Mercer1357bfc2007-02-26 11:06:37 -08003217 ql_write_page1_reg(qdev, &hmem_regs->rxLargeQLength, qdev->num_lbufq_entries);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003218
3219 ql_write_page1_reg(qdev,
3220 &hmem_regs->rxLargeBufferLength,
3221 qdev->lrg_buffer_len);
3222
3223 /* Small Buffer Queue */
3224 ql_write_page1_reg(qdev,
3225 &hmem_regs->rxSmallQBaseAddrHigh,
3226 MS_64BITS(qdev->small_buf_q_phy_addr));
3227
3228 ql_write_page1_reg(qdev,
3229 &hmem_regs->rxSmallQBaseAddrLow,
3230 LS_64BITS(qdev->small_buf_q_phy_addr));
3231
3232 ql_write_page1_reg(qdev, &hmem_regs->rxSmallQLength, NUM_SBUFQ_ENTRIES);
3233 ql_write_page1_reg(qdev,
3234 &hmem_regs->rxSmallBufferLength,
3235 QL_SMALL_BUFFER_SIZE);
3236
3237 qdev->small_buf_q_producer_index = NUM_SBUFQ_ENTRIES - 1;
3238 qdev->small_buf_release_cnt = 8;
Ron Mercer1357bfc2007-02-26 11:06:37 -08003239 qdev->lrg_buf_q_producer_index = qdev->num_lbufq_entries - 1;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003240 qdev->lrg_buf_release_cnt = 8;
3241 qdev->lrg_buf_next_free =
3242 (struct bufq_addr_element *)qdev->lrg_buf_q_virt_addr;
3243 qdev->small_buf_index = 0;
3244 qdev->lrg_buf_index = 0;
3245 qdev->lrg_buf_free_count = 0;
3246 qdev->lrg_buf_free_head = NULL;
3247 qdev->lrg_buf_free_tail = NULL;
3248
3249 ql_write_common_reg(qdev,
Al Viroee111d12006-09-25 02:53:53 +01003250 &port_regs->CommonRegs.
Ron Mercer5a4faa82006-07-25 00:40:21 -07003251 rxSmallQProducerIndex,
3252 qdev->small_buf_q_producer_index);
3253 ql_write_common_reg(qdev,
Al Viroee111d12006-09-25 02:53:53 +01003254 &port_regs->CommonRegs.
Ron Mercer5a4faa82006-07-25 00:40:21 -07003255 rxLargeQProducerIndex,
3256 qdev->lrg_buf_q_producer_index);
3257
3258 /*
3259 * Find out if the chip has already been initialized. If it has, then
3260 * we skip some of the initialization.
3261 */
3262 clear_bit(QL_LINK_MASTER, &qdev->flags);
3263 value = ql_read_page0_reg(qdev, &port_regs->portStatus);
3264 if ((value & PORT_STATUS_IC) == 0) {
3265
3266 /* Chip has not been configured yet, so let it rip. */
3267 if(ql_init_misc_registers(qdev)) {
3268 status = -1;
3269 goto out;
3270 }
3271
Ron Mercer5a4faa82006-07-25 00:40:21 -07003272 value = qdev->nvram_data.tcpMaxWindowSize;
3273 ql_write_page0_reg(qdev, &port_regs->tcpMaxWindow, value);
3274
3275 value = (0xFFFF << 16) | qdev->nvram_data.extHwConfig;
3276
3277 if(ql_sem_spinlock(qdev, QL_FLASH_SEM_MASK,
3278 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index)
3279 * 2) << 13)) {
3280 status = -1;
3281 goto out;
3282 }
3283 ql_write_page0_reg(qdev, &port_regs->ExternalHWConfig, value);
3284 ql_write_page0_reg(qdev, &port_regs->InternalChipConfig,
3285 (((INTERNAL_CHIP_SD | INTERNAL_CHIP_WE) <<
3286 16) | (INTERNAL_CHIP_SD |
3287 INTERNAL_CHIP_WE)));
3288 ql_sem_unlock(qdev, QL_FLASH_SEM_MASK);
3289 }
3290
Ron Mercerb3b15142007-03-26 13:43:00 -07003291 if (qdev->mac_index)
3292 ql_write_page0_reg(qdev,
3293 &port_regs->mac1MaxFrameLengthReg,
3294 qdev->max_frame_size);
3295 else
3296 ql_write_page0_reg(qdev,
3297 &port_regs->mac0MaxFrameLengthReg,
3298 qdev->max_frame_size);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003299
3300 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
3301 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
3302 2) << 7)) {
3303 status = -1;
3304 goto out;
3305 }
3306
Ron Mercer3efedf22007-03-26 12:43:52 -07003307 PHY_Setup(qdev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003308 ql_init_scan_mode(qdev);
3309 ql_get_phy_owner(qdev);
3310
3311 /* Load the MAC Configuration */
3312
3313 /* Program lower 32 bits of the MAC address */
3314 ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3315 (MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16));
3316 ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3317 ((qdev->ndev->dev_addr[2] << 24)
3318 | (qdev->ndev->dev_addr[3] << 16)
3319 | (qdev->ndev->dev_addr[4] << 8)
3320 | qdev->ndev->dev_addr[5]));
3321
3322 /* Program top 16 bits of the MAC address */
3323 ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3324 ((MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16) | 1));
3325 ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3326 ((qdev->ndev->dev_addr[0] << 8)
3327 | qdev->ndev->dev_addr[1]));
3328
3329 /* Enable Primary MAC */
3330 ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3331 ((MAC_ADDR_INDIRECT_PTR_REG_PE << 16) |
3332 MAC_ADDR_INDIRECT_PTR_REG_PE));
3333
3334 /* Clear Primary and Secondary IP addresses */
3335 ql_write_page0_reg(qdev, &port_regs->ipAddrIndexReg,
3336 ((IP_ADDR_INDEX_REG_MASK << 16) |
3337 (qdev->mac_index << 2)));
3338 ql_write_page0_reg(qdev, &port_regs->ipAddrDataReg, 0);
3339
3340 ql_write_page0_reg(qdev, &port_regs->ipAddrIndexReg,
3341 ((IP_ADDR_INDEX_REG_MASK << 16) |
3342 ((qdev->mac_index << 2) + 1)));
3343 ql_write_page0_reg(qdev, &port_regs->ipAddrDataReg, 0);
3344
3345 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
3346
3347 /* Indicate Configuration Complete */
3348 ql_write_page0_reg(qdev,
3349 &port_regs->portControl,
3350 ((PORT_CONTROL_CC << 16) | PORT_CONTROL_CC));
3351
3352 do {
3353 value = ql_read_page0_reg(qdev, &port_regs->portStatus);
3354 if (value & PORT_STATUS_IC)
3355 break;
Ron Mercer0f77ca92009-06-23 09:00:02 +00003356 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003357 msleep(500);
Ron Mercer0f77ca92009-06-23 09:00:02 +00003358 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003359 } while (--delay);
3360
3361 if (delay == 0) {
3362 printk(KERN_ERR PFX
3363 "%s: Hw Initialization timeout.\n", qdev->ndev->name);
3364 status = -1;
3365 goto out;
3366 }
3367
3368 /* Enable Ethernet Function */
Ron Mercerbd36b0a2007-01-03 16:26:08 -08003369 if (qdev->device_id == QL3032_DEVICE_ID) {
3370 value =
3371 (QL3032_PORT_CONTROL_EF | QL3032_PORT_CONTROL_KIE |
Ron Mercerb3b15142007-03-26 13:43:00 -07003372 QL3032_PORT_CONTROL_EIv6 | QL3032_PORT_CONTROL_EIv4 |
3373 QL3032_PORT_CONTROL_ET);
Ron Mercerbd36b0a2007-01-03 16:26:08 -08003374 ql_write_page0_reg(qdev, &port_regs->functionControl,
3375 ((value << 16) | value));
3376 } else {
3377 value =
3378 (PORT_CONTROL_EF | PORT_CONTROL_ET | PORT_CONTROL_EI |
3379 PORT_CONTROL_HH);
3380 ql_write_page0_reg(qdev, &port_regs->portControl,
3381 ((value << 16) | value));
3382 }
3383
Ron Mercer5a4faa82006-07-25 00:40:21 -07003384
3385out:
3386 return status;
3387}
3388
3389/*
3390 * Caller holds hw_lock.
3391 */
3392static int ql_adapter_reset(struct ql3_adapter *qdev)
3393{
3394 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3395 int status = 0;
3396 u16 value;
3397 int max_wait_time;
3398
3399 set_bit(QL_RESET_ACTIVE, &qdev->flags);
3400 clear_bit(QL_RESET_DONE, &qdev->flags);
3401
3402 /*
3403 * Issue soft reset to chip.
3404 */
3405 printk(KERN_DEBUG PFX
3406 "%s: Issue soft reset to chip.\n",
3407 qdev->ndev->name);
3408 ql_write_common_reg(qdev,
Al Viroee111d12006-09-25 02:53:53 +01003409 &port_regs->CommonRegs.ispControlStatus,
Ron Mercer5a4faa82006-07-25 00:40:21 -07003410 ((ISP_CONTROL_SR << 16) | ISP_CONTROL_SR));
3411
3412 /* Wait 3 seconds for reset to complete. */
3413 printk(KERN_DEBUG PFX
3414 "%s: Wait 10 milliseconds for reset to complete.\n",
3415 qdev->ndev->name);
3416
3417 /* Wait until the firmware tells us the Soft Reset is done */
3418 max_wait_time = 5;
3419 do {
3420 value =
3421 ql_read_common_reg(qdev,
3422 &port_regs->CommonRegs.ispControlStatus);
3423 if ((value & ISP_CONTROL_SR) == 0)
3424 break;
3425
3426 ssleep(1);
3427 } while ((--max_wait_time));
3428
3429 /*
3430 * Also, make sure that the Network Reset Interrupt bit has been
3431 * cleared after the soft reset has taken place.
3432 */
3433 value =
3434 ql_read_common_reg(qdev, &port_regs->CommonRegs.ispControlStatus);
3435 if (value & ISP_CONTROL_RI) {
3436 printk(KERN_DEBUG PFX
3437 "ql_adapter_reset: clearing RI after reset.\n");
3438 ql_write_common_reg(qdev,
Al Viroee111d12006-09-25 02:53:53 +01003439 &port_regs->CommonRegs.
Ron Mercer5a4faa82006-07-25 00:40:21 -07003440 ispControlStatus,
3441 ((ISP_CONTROL_RI << 16) | ISP_CONTROL_RI));
3442 }
3443
3444 if (max_wait_time == 0) {
3445 /* Issue Force Soft Reset */
3446 ql_write_common_reg(qdev,
Al Viroee111d12006-09-25 02:53:53 +01003447 &port_regs->CommonRegs.
Ron Mercer5a4faa82006-07-25 00:40:21 -07003448 ispControlStatus,
3449 ((ISP_CONTROL_FSR << 16) |
3450 ISP_CONTROL_FSR));
3451 /*
3452 * Wait until the firmware tells us the Force Soft Reset is
3453 * done
3454 */
3455 max_wait_time = 5;
3456 do {
3457 value =
3458 ql_read_common_reg(qdev,
3459 &port_regs->CommonRegs.
3460 ispControlStatus);
3461 if ((value & ISP_CONTROL_FSR) == 0) {
3462 break;
3463 }
3464 ssleep(1);
3465 } while ((--max_wait_time));
3466 }
3467 if (max_wait_time == 0)
3468 status = 1;
3469
3470 clear_bit(QL_RESET_ACTIVE, &qdev->flags);
3471 set_bit(QL_RESET_DONE, &qdev->flags);
3472 return status;
3473}
3474
3475static void ql_set_mac_info(struct ql3_adapter *qdev)
3476{
3477 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3478 u32 value, port_status;
3479 u8 func_number;
3480
3481 /* Get the function number */
3482 value =
3483 ql_read_common_reg_l(qdev, &port_regs->CommonRegs.ispControlStatus);
3484 func_number = (u8) ((value >> 4) & OPCODE_FUNC_ID_MASK);
3485 port_status = ql_read_page0_reg(qdev, &port_regs->portStatus);
3486 switch (value & ISP_CONTROL_FN_MASK) {
3487 case ISP_CONTROL_FN0_NET:
3488 qdev->mac_index = 0;
3489 qdev->mac_ob_opcode = OUTBOUND_MAC_IOCB | func_number;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003490 qdev->mb_bit_mask = FN0_MA_BITS_MASK;
3491 qdev->PHYAddr = PORT0_PHY_ADDRESS;
3492 if (port_status & PORT_STATUS_SM0)
3493 set_bit(QL_LINK_OPTICAL,&qdev->flags);
3494 else
3495 clear_bit(QL_LINK_OPTICAL,&qdev->flags);
3496 break;
3497
3498 case ISP_CONTROL_FN1_NET:
3499 qdev->mac_index = 1;
3500 qdev->mac_ob_opcode = OUTBOUND_MAC_IOCB | func_number;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003501 qdev->mb_bit_mask = FN1_MA_BITS_MASK;
3502 qdev->PHYAddr = PORT1_PHY_ADDRESS;
3503 if (port_status & PORT_STATUS_SM1)
3504 set_bit(QL_LINK_OPTICAL,&qdev->flags);
3505 else
3506 clear_bit(QL_LINK_OPTICAL,&qdev->flags);
3507 break;
3508
3509 case ISP_CONTROL_FN0_SCSI:
3510 case ISP_CONTROL_FN1_SCSI:
3511 default:
3512 printk(KERN_DEBUG PFX
3513 "%s: Invalid function number, ispControlStatus = 0x%x\n",
3514 qdev->ndev->name,value);
3515 break;
3516 }
Al Viro804d8542007-12-22 19:44:29 +00003517 qdev->numPorts = qdev->nvram_data.version_and_numPorts >> 8;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003518}
3519
3520static void ql_display_dev_info(struct net_device *ndev)
3521{
3522 struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3523 struct pci_dev *pdev = qdev->pdev;
3524
3525 printk(KERN_INFO PFX
Ron Mercerbd36b0a2007-01-03 16:26:08 -08003526 "\n%s Adapter %d RevisionID %d found %s on PCI slot %d.\n",
3527 DRV_NAME, qdev->index, qdev->chip_rev_id,
3528 (qdev->device_id == QL3032_DEVICE_ID) ? "QLA3032" : "QLA3022",
3529 qdev->pci_slot);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003530 printk(KERN_INFO PFX
3531 "%s Interface.\n",
3532 test_bit(QL_LINK_OPTICAL,&qdev->flags) ? "OPTICAL" : "COPPER");
3533
3534 /*
3535 * Print PCI bus width/type.
3536 */
3537 printk(KERN_INFO PFX
3538 "Bus interface is %s %s.\n",
3539 ((qdev->pci_width == 64) ? "64-bit" : "32-bit"),
3540 ((qdev->pci_x) ? "PCI-X" : "PCI"));
3541
3542 printk(KERN_INFO PFX
3543 "mem IO base address adjusted = 0x%p\n",
3544 qdev->mem_map_registers);
3545 printk(KERN_INFO PFX "Interrupt number = %d\n", pdev->irq);
3546
3547 if (netif_msg_probe(qdev))
3548 printk(KERN_INFO PFX
Johannes Berge1749612008-10-27 15:59:26 -07003549 "%s: MAC address %pM\n",
3550 ndev->name, ndev->dev_addr);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003551}
3552
3553static int ql_adapter_down(struct ql3_adapter *qdev, int do_reset)
3554{
3555 struct net_device *ndev = qdev->ndev;
3556 int retval = 0;
3557
3558 netif_stop_queue(ndev);
3559 netif_carrier_off(ndev);
3560
3561 clear_bit(QL_ADAPTER_UP,&qdev->flags);
3562 clear_bit(QL_LINK_MASTER,&qdev->flags);
3563
3564 ql_disable_interrupts(qdev);
3565
3566 free_irq(qdev->pdev->irq, ndev);
3567
3568 if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) {
3569 printk(KERN_INFO PFX
3570 "%s: calling pci_disable_msi().\n", qdev->ndev->name);
3571 clear_bit(QL_MSI_ENABLED,&qdev->flags);
3572 pci_disable_msi(qdev->pdev);
3573 }
3574
3575 del_timer_sync(&qdev->adapter_timer);
3576
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003577 napi_disable(&qdev->napi);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003578
3579 if (do_reset) {
3580 int soft_reset;
3581 unsigned long hw_flags;
3582
3583 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3584 if (ql_wait_for_drvr_lock(qdev)) {
3585 if ((soft_reset = ql_adapter_reset(qdev))) {
3586 printk(KERN_ERR PFX
3587 "%s: ql_adapter_reset(%d) FAILED!\n",
3588 ndev->name, qdev->index);
3589 }
3590 printk(KERN_ERR PFX
3591 "%s: Releaseing driver lock via chip reset.\n",ndev->name);
3592 } else {
3593 printk(KERN_ERR PFX
3594 "%s: Could not acquire driver lock to do "
3595 "reset!\n", ndev->name);
3596 retval = -1;
3597 }
3598 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3599 }
3600 ql_free_mem_resources(qdev);
3601 return retval;
3602}
3603
3604static int ql_adapter_up(struct ql3_adapter *qdev)
3605{
3606 struct net_device *ndev = qdev->ndev;
3607 int err;
Thomas Gleixner38515e92007-02-14 00:33:16 -08003608 unsigned long irq_flags = IRQF_SAMPLE_RANDOM | IRQF_SHARED;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003609 unsigned long hw_flags;
3610
3611 if (ql_alloc_mem_resources(qdev)) {
3612 printk(KERN_ERR PFX
3613 "%s Unable to allocate buffers.\n", ndev->name);
3614 return -ENOMEM;
3615 }
3616
3617 if (qdev->msi) {
3618 if (pci_enable_msi(qdev->pdev)) {
3619 printk(KERN_ERR PFX
3620 "%s: User requested MSI, but MSI failed to "
3621 "initialize. Continuing without MSI.\n",
3622 qdev->ndev->name);
3623 qdev->msi = 0;
3624 } else {
3625 printk(KERN_INFO PFX "%s: MSI Enabled...\n", qdev->ndev->name);
3626 set_bit(QL_MSI_ENABLED,&qdev->flags);
Thomas Gleixner38515e92007-02-14 00:33:16 -08003627 irq_flags &= ~IRQF_SHARED;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003628 }
3629 }
3630
3631 if ((err = request_irq(qdev->pdev->irq,
3632 ql3xxx_isr,
3633 irq_flags, ndev->name, ndev))) {
3634 printk(KERN_ERR PFX
3635 "%s: Failed to reserve interrupt %d already in use.\n",
3636 ndev->name, qdev->pdev->irq);
3637 goto err_irq;
3638 }
3639
3640 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3641
3642 if ((err = ql_wait_for_drvr_lock(qdev))) {
3643 if ((err = ql_adapter_initialize(qdev))) {
3644 printk(KERN_ERR PFX
3645 "%s: Unable to initialize adapter.\n",
3646 ndev->name);
3647 goto err_init;
3648 }
3649 printk(KERN_ERR PFX
3650 "%s: Releaseing driver lock.\n",ndev->name);
3651 ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
3652 } else {
3653 printk(KERN_ERR PFX
Uwe Kleine-König21ae2952009-10-07 15:21:09 +02003654 "%s: Could not acquire driver lock.\n",
Ron Mercer5a4faa82006-07-25 00:40:21 -07003655 ndev->name);
3656 goto err_lock;
3657 }
3658
3659 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3660
3661 set_bit(QL_ADAPTER_UP,&qdev->flags);
3662
3663 mod_timer(&qdev->adapter_timer, jiffies + HZ * 1);
3664
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003665 napi_enable(&qdev->napi);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003666 ql_enable_interrupts(qdev);
3667 return 0;
3668
3669err_init:
3670 ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
3671err_lock:
Benjamin Li04f10772007-02-26 11:06:35 -08003672 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003673 free_irq(qdev->pdev->irq, ndev);
3674err_irq:
3675 if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) {
3676 printk(KERN_INFO PFX
3677 "%s: calling pci_disable_msi().\n",
3678 qdev->ndev->name);
3679 clear_bit(QL_MSI_ENABLED,&qdev->flags);
3680 pci_disable_msi(qdev->pdev);
3681 }
3682 return err;
3683}
3684
3685static int ql_cycle_adapter(struct ql3_adapter *qdev, int reset)
3686{
3687 if( ql_adapter_down(qdev,reset) || ql_adapter_up(qdev)) {
3688 printk(KERN_ERR PFX
3689 "%s: Driver up/down cycle failed, "
3690 "closing device\n",qdev->ndev->name);
Ben Hutchingsc81ec802008-05-06 19:36:26 +01003691 rtnl_lock();
Ron Mercer5a4faa82006-07-25 00:40:21 -07003692 dev_close(qdev->ndev);
Ben Hutchingsc81ec802008-05-06 19:36:26 +01003693 rtnl_unlock();
Ron Mercer5a4faa82006-07-25 00:40:21 -07003694 return -1;
3695 }
3696 return 0;
3697}
3698
3699static int ql3xxx_close(struct net_device *ndev)
3700{
3701 struct ql3_adapter *qdev = netdev_priv(ndev);
3702
3703 /*
3704 * Wait for device to recover from a reset.
3705 * (Rarely happens, but possible.)
3706 */
3707 while (!test_bit(QL_ADAPTER_UP,&qdev->flags))
3708 msleep(50);
3709
3710 ql_adapter_down(qdev,QL_DO_RESET);
3711 return 0;
3712}
3713
3714static int ql3xxx_open(struct net_device *ndev)
3715{
3716 struct ql3_adapter *qdev = netdev_priv(ndev);
3717 return (ql_adapter_up(qdev));
3718}
3719
Ron Mercer5a4faa82006-07-25 00:40:21 -07003720static int ql3xxx_set_mac_address(struct net_device *ndev, void *p)
3721{
3722 struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3723 struct ql3xxx_port_registers __iomem *port_regs =
3724 qdev->mem_map_registers;
3725 struct sockaddr *addr = p;
3726 unsigned long hw_flags;
3727
3728 if (netif_running(ndev))
3729 return -EBUSY;
3730
3731 if (!is_valid_ether_addr(addr->sa_data))
3732 return -EADDRNOTAVAIL;
3733
3734 memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len);
3735
3736 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3737 /* Program lower 32 bits of the MAC address */
3738 ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3739 (MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16));
3740 ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3741 ((ndev->dev_addr[2] << 24) | (ndev->
3742 dev_addr[3] << 16) |
3743 (ndev->dev_addr[4] << 8) | ndev->dev_addr[5]));
3744
3745 /* Program top 16 bits of the MAC address */
3746 ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3747 ((MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16) | 1));
3748 ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3749 ((ndev->dev_addr[0] << 8) | ndev->dev_addr[1]));
3750 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3751
3752 return 0;
3753}
3754
3755static void ql3xxx_tx_timeout(struct net_device *ndev)
3756{
3757 struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3758
3759 printk(KERN_ERR PFX "%s: Resetting...\n", ndev->name);
3760 /*
3761 * Stop the queues, we've got a problem.
3762 */
3763 netif_stop_queue(ndev);
3764
3765 /*
3766 * Wake up the worker to process this event.
3767 */
David Howellsc4028952006-11-22 14:57:56 +00003768 queue_delayed_work(qdev->workqueue, &qdev->tx_timeout_work, 0);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003769}
3770
David Howellsc4028952006-11-22 14:57:56 +00003771static void ql_reset_work(struct work_struct *work)
Ron Mercer5a4faa82006-07-25 00:40:21 -07003772{
David Howellsc4028952006-11-22 14:57:56 +00003773 struct ql3_adapter *qdev =
3774 container_of(work, struct ql3_adapter, reset_work.work);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003775 struct net_device *ndev = qdev->ndev;
3776 u32 value;
3777 struct ql_tx_buf_cb *tx_cb;
3778 int max_wait_time, i;
3779 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3780 unsigned long hw_flags;
3781
3782 if (test_bit((QL_RESET_PER_SCSI | QL_RESET_START),&qdev->flags)) {
3783 clear_bit(QL_LINK_MASTER,&qdev->flags);
3784
3785 /*
3786 * Loop through the active list and return the skb.
3787 */
3788 for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
Ron Mercerbd36b0a2007-01-03 16:26:08 -08003789 int j;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003790 tx_cb = &qdev->tx_buf[i];
3791 if (tx_cb->skb) {
Ron Mercer5a4faa82006-07-25 00:40:21 -07003792 printk(KERN_DEBUG PFX
3793 "%s: Freeing lost SKB.\n",
3794 qdev->ndev->name);
3795 pci_unmap_single(qdev->pdev,
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00003796 dma_unmap_addr(&tx_cb->map[0], mapaddr),
3797 dma_unmap_len(&tx_cb->map[0], maplen),
Ron Mercerbd36b0a2007-01-03 16:26:08 -08003798 PCI_DMA_TODEVICE);
3799 for(j=1;j<tx_cb->seg_count;j++) {
3800 pci_unmap_page(qdev->pdev,
FUJITA Tomonori87196eb2010-04-12 14:32:13 +00003801 dma_unmap_addr(&tx_cb->map[j],mapaddr),
3802 dma_unmap_len(&tx_cb->map[j],maplen),
Ron Mercerbd36b0a2007-01-03 16:26:08 -08003803 PCI_DMA_TODEVICE);
3804 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07003805 dev_kfree_skb(tx_cb->skb);
3806 tx_cb->skb = NULL;
3807 }
3808 }
3809
3810 printk(KERN_ERR PFX
3811 "%s: Clearing NRI after reset.\n", qdev->ndev->name);
3812 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3813 ql_write_common_reg(qdev,
3814 &port_regs->CommonRegs.
3815 ispControlStatus,
3816 ((ISP_CONTROL_RI << 16) | ISP_CONTROL_RI));
3817 /*
3818 * Wait the for Soft Reset to Complete.
3819 */
3820 max_wait_time = 10;
3821 do {
3822 value = ql_read_common_reg(qdev,
3823 &port_regs->CommonRegs.
3824
3825 ispControlStatus);
3826 if ((value & ISP_CONTROL_SR) == 0) {
3827 printk(KERN_DEBUG PFX
3828 "%s: reset completed.\n",
3829 qdev->ndev->name);
3830 break;
3831 }
3832
3833 if (value & ISP_CONTROL_RI) {
3834 printk(KERN_DEBUG PFX
3835 "%s: clearing NRI after reset.\n",
3836 qdev->ndev->name);
3837 ql_write_common_reg(qdev,
Al Viroee111d12006-09-25 02:53:53 +01003838 &port_regs->
Ron Mercer5a4faa82006-07-25 00:40:21 -07003839 CommonRegs.
3840 ispControlStatus,
3841 ((ISP_CONTROL_RI <<
3842 16) | ISP_CONTROL_RI));
3843 }
3844
Jiri Slaby83b462c2009-06-20 01:20:30 -07003845 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003846 ssleep(1);
Jiri Slaby83b462c2009-06-20 01:20:30 -07003847 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003848 } while (--max_wait_time);
3849 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3850
3851 if (value & ISP_CONTROL_SR) {
3852
3853 /*
3854 * Set the reset flags and clear the board again.
3855 * Nothing else to do...
3856 */
3857 printk(KERN_ERR PFX
3858 "%s: Timed out waiting for reset to "
3859 "complete.\n", ndev->name);
3860 printk(KERN_ERR PFX
3861 "%s: Do a reset.\n", ndev->name);
3862 clear_bit(QL_RESET_PER_SCSI,&qdev->flags);
3863 clear_bit(QL_RESET_START,&qdev->flags);
3864 ql_cycle_adapter(qdev,QL_DO_RESET);
3865 return;
3866 }
3867
3868 clear_bit(QL_RESET_ACTIVE,&qdev->flags);
3869 clear_bit(QL_RESET_PER_SCSI,&qdev->flags);
3870 clear_bit(QL_RESET_START,&qdev->flags);
3871 ql_cycle_adapter(qdev,QL_NO_RESET);
3872 }
3873}
3874
David Howellsc4028952006-11-22 14:57:56 +00003875static void ql_tx_timeout_work(struct work_struct *work)
Ron Mercer5a4faa82006-07-25 00:40:21 -07003876{
David Howellsc4028952006-11-22 14:57:56 +00003877 struct ql3_adapter *qdev =
3878 container_of(work, struct ql3_adapter, tx_timeout_work.work);
3879
3880 ql_cycle_adapter(qdev, QL_DO_RESET);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003881}
3882
3883static void ql_get_board_info(struct ql3_adapter *qdev)
3884{
3885 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3886 u32 value;
3887
3888 value = ql_read_page0_reg_l(qdev, &port_regs->portStatus);
3889
3890 qdev->chip_rev_id = ((value & PORT_STATUS_REV_ID_MASK) >> 12);
3891 if (value & PORT_STATUS_64)
3892 qdev->pci_width = 64;
3893 else
3894 qdev->pci_width = 32;
3895 if (value & PORT_STATUS_X)
3896 qdev->pci_x = 1;
3897 else
3898 qdev->pci_x = 0;
3899 qdev->pci_slot = (u8) PCI_SLOT(qdev->pdev->devfn);
3900}
3901
3902static void ql3xxx_timer(unsigned long ptr)
3903{
3904 struct ql3_adapter *qdev = (struct ql3_adapter *)ptr;
Ron Mercer3e23b7d2007-11-07 13:59:06 -08003905 queue_delayed_work(qdev->workqueue, &qdev->link_state_work, 0);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003906}
3907
Stephen Hemmingerda1c14a2008-11-21 17:36:58 -08003908static const struct net_device_ops ql3xxx_netdev_ops = {
3909 .ndo_open = ql3xxx_open,
3910 .ndo_start_xmit = ql3xxx_send,
3911 .ndo_stop = ql3xxx_close,
3912 .ndo_set_multicast_list = NULL, /* not allowed on NIC side */
3913 .ndo_change_mtu = eth_change_mtu,
3914 .ndo_validate_addr = eth_validate_addr,
3915 .ndo_set_mac_address = ql3xxx_set_mac_address,
3916 .ndo_tx_timeout = ql3xxx_tx_timeout,
3917};
3918
Ron Mercer5a4faa82006-07-25 00:40:21 -07003919static int __devinit ql3xxx_probe(struct pci_dev *pdev,
3920 const struct pci_device_id *pci_entry)
3921{
3922 struct net_device *ndev = NULL;
3923 struct ql3_adapter *qdev = NULL;
3924 static int cards_found = 0;
Ingo Molnarbe5a3c62008-11-25 16:49:07 -08003925 int uninitialized_var(pci_using_dac), err;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003926
3927 err = pci_enable_device(pdev);
3928 if (err) {
3929 printk(KERN_ERR PFX "%s cannot enable PCI device\n",
3930 pci_name(pdev));
3931 goto err_out;
3932 }
3933
3934 err = pci_request_regions(pdev, DRV_NAME);
3935 if (err) {
3936 printk(KERN_ERR PFX "%s cannot obtain PCI resources\n",
3937 pci_name(pdev));
3938 goto err_out_disable_pdev;
3939 }
3940
3941 pci_set_master(pdev);
3942
Yang Hongyang6a355282009-04-06 19:01:13 -07003943 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
Ron Mercer5a4faa82006-07-25 00:40:21 -07003944 pci_using_dac = 1;
Yang Hongyang6a355282009-04-06 19:01:13 -07003945 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
Yang Hongyang284901a2009-04-06 19:01:15 -07003946 } else if (!(err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))) {
Ron Mercer5a4faa82006-07-25 00:40:21 -07003947 pci_using_dac = 0;
Yang Hongyang284901a2009-04-06 19:01:15 -07003948 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
Ron Mercer5a4faa82006-07-25 00:40:21 -07003949 }
3950
3951 if (err) {
3952 printk(KERN_ERR PFX "%s no usable DMA configuration\n",
3953 pci_name(pdev));
3954 goto err_out_free_regions;
3955 }
3956
3957 ndev = alloc_etherdev(sizeof(struct ql3_adapter));
Benjamin Li546faf02007-02-26 11:06:31 -08003958 if (!ndev) {
3959 printk(KERN_ERR PFX "%s could not alloc etherdev\n",
3960 pci_name(pdev));
3961 err = -ENOMEM;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003962 goto err_out_free_regions;
Benjamin Li546faf02007-02-26 11:06:31 -08003963 }
Ron Mercer5a4faa82006-07-25 00:40:21 -07003964
Ron Mercer5a4faa82006-07-25 00:40:21 -07003965 SET_NETDEV_DEV(ndev, &pdev->dev);
3966
Ron Mercer5a4faa82006-07-25 00:40:21 -07003967 pci_set_drvdata(pdev, ndev);
3968
3969 qdev = netdev_priv(ndev);
3970 qdev->index = cards_found;
3971 qdev->ndev = ndev;
3972 qdev->pdev = pdev;
Ron Mercerbd36b0a2007-01-03 16:26:08 -08003973 qdev->device_id = pci_entry->device;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003974 qdev->port_link_state = LS_DOWN;
3975 if (msi)
3976 qdev->msi = 1;
3977
3978 qdev->msg_enable = netif_msg_init(debug, default_msg);
3979
Ron Mercerbd36b0a2007-01-03 16:26:08 -08003980 if (pci_using_dac)
3981 ndev->features |= NETIF_F_HIGHDMA;
3982 if (qdev->device_id == QL3032_DEVICE_ID)
Stephen Hemmingere68a8c12007-05-30 14:23:17 -07003983 ndev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Ron Mercerbd36b0a2007-01-03 16:26:08 -08003984
Arjan van de Ven275f1652008-10-20 21:42:39 -07003985 qdev->mem_map_registers = pci_ioremap_bar(pdev, 1);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003986 if (!qdev->mem_map_registers) {
3987 printk(KERN_ERR PFX "%s: cannot map device registers\n",
3988 pci_name(pdev));
Benjamin Li546faf02007-02-26 11:06:31 -08003989 err = -EIO;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003990 goto err_out_free_ndev;
3991 }
3992
3993 spin_lock_init(&qdev->adapter_lock);
3994 spin_lock_init(&qdev->hw_lock);
3995
3996 /* Set driver entry points */
Stephen Hemmingerda1c14a2008-11-21 17:36:58 -08003997 ndev->netdev_ops = &ql3xxx_netdev_ops;
Ron Mercer5a4faa82006-07-25 00:40:21 -07003998 SET_ETHTOOL_OPS(ndev, &ql3xxx_ethtool_ops);
Ron Mercer5a4faa82006-07-25 00:40:21 -07003999 ndev->watchdog_timeo = 5 * HZ;
4000
Stephen Hemmingerbea33482007-10-03 16:41:36 -07004001 netif_napi_add(ndev, &qdev->napi, ql_poll, 64);
Ron Mercer5a4faa82006-07-25 00:40:21 -07004002
4003 ndev->irq = pdev->irq;
4004
4005 /* make sure the EEPROM is good */
4006 if (ql_get_nvram_params(qdev)) {
4007 printk(KERN_ALERT PFX
4008 "ql3xxx_probe: Adapter #%d, Invalid NVRAM parameters.\n",
4009 qdev->index);
Benjamin Li546faf02007-02-26 11:06:31 -08004010 err = -EIO;
Ron Mercer5a4faa82006-07-25 00:40:21 -07004011 goto err_out_iounmap;
4012 }
4013
4014 ql_set_mac_info(qdev);
4015
4016 /* Validate and set parameters */
4017 if (qdev->mac_index) {
Ron Mercercb8bac12007-02-26 11:06:36 -08004018 ndev->mtu = qdev->nvram_data.macCfg_port1.etherMtu_mac ;
Al Viro804d8542007-12-22 19:44:29 +00004019 ql_set_mac_addr(ndev, qdev->nvram_data.funcCfg_fn2.macAddress);
Ron Mercer5a4faa82006-07-25 00:40:21 -07004020 } else {
Ron Mercercb8bac12007-02-26 11:06:36 -08004021 ndev->mtu = qdev->nvram_data.macCfg_port0.etherMtu_mac ;
Al Viro804d8542007-12-22 19:44:29 +00004022 ql_set_mac_addr(ndev, qdev->nvram_data.funcCfg_fn0.macAddress);
Ron Mercer5a4faa82006-07-25 00:40:21 -07004023 }
4024 memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len);
4025
4026 ndev->tx_queue_len = NUM_REQ_Q_ENTRIES;
4027
Ron Mercer5a4faa82006-07-25 00:40:21 -07004028 /* Record PCI bus information. */
4029 ql_get_board_info(qdev);
4030
4031 /*
4032 * Set the Maximum Memory Read Byte Count value. We do this to handle
4033 * jumbo frames.
4034 */
4035 if (qdev->pci_x) {
4036 pci_write_config_word(pdev, (int)0x4e, (u16) 0x0036);
4037 }
4038
4039 err = register_netdev(ndev);
4040 if (err) {
4041 printk(KERN_ERR PFX "%s: cannot register net device\n",
4042 pci_name(pdev));
4043 goto err_out_iounmap;
4044 }
4045
4046 /* we're going to reset, so assume we have no link for now */
4047
4048 netif_carrier_off(ndev);
4049 netif_stop_queue(ndev);
4050
4051 qdev->workqueue = create_singlethread_workqueue(ndev->name);
David Howellsc4028952006-11-22 14:57:56 +00004052 INIT_DELAYED_WORK(&qdev->reset_work, ql_reset_work);
4053 INIT_DELAYED_WORK(&qdev->tx_timeout_work, ql_tx_timeout_work);
Ron Mercer3e23b7d2007-11-07 13:59:06 -08004054 INIT_DELAYED_WORK(&qdev->link_state_work, ql_link_state_machine_work);
Ron Mercer5a4faa82006-07-25 00:40:21 -07004055
4056 init_timer(&qdev->adapter_timer);
4057 qdev->adapter_timer.function = ql3xxx_timer;
4058 qdev->adapter_timer.expires = jiffies + HZ * 2; /* two second delay */
4059 qdev->adapter_timer.data = (unsigned long)qdev;
4060
4061 if(!cards_found) {
4062 printk(KERN_ALERT PFX "%s\n", DRV_STRING);
4063 printk(KERN_ALERT PFX "Driver name: %s, Version: %s.\n",
4064 DRV_NAME, DRV_VERSION);
4065 }
4066 ql_display_dev_info(ndev);
4067
4068 cards_found++;
4069 return 0;
4070
4071err_out_iounmap:
4072 iounmap(qdev->mem_map_registers);
4073err_out_free_ndev:
4074 free_netdev(ndev);
4075err_out_free_regions:
4076 pci_release_regions(pdev);
4077err_out_disable_pdev:
4078 pci_disable_device(pdev);
4079 pci_set_drvdata(pdev, NULL);
4080err_out:
4081 return err;
4082}
4083
4084static void __devexit ql3xxx_remove(struct pci_dev *pdev)
4085{
4086 struct net_device *ndev = pci_get_drvdata(pdev);
4087 struct ql3_adapter *qdev = netdev_priv(ndev);
4088
4089 unregister_netdev(ndev);
Ron Mercer5a4faa82006-07-25 00:40:21 -07004090
4091 ql_disable_interrupts(qdev);
4092
4093 if (qdev->workqueue) {
4094 cancel_delayed_work(&qdev->reset_work);
4095 cancel_delayed_work(&qdev->tx_timeout_work);
4096 destroy_workqueue(qdev->workqueue);
4097 qdev->workqueue = NULL;
4098 }
4099
Al Viro855fc732006-09-25 02:54:46 +01004100 iounmap(qdev->mem_map_registers);
Ron Mercer5a4faa82006-07-25 00:40:21 -07004101 pci_release_regions(pdev);
4102 pci_set_drvdata(pdev, NULL);
4103 free_netdev(ndev);
4104}
4105
4106static struct pci_driver ql3xxx_driver = {
4107
4108 .name = DRV_NAME,
4109 .id_table = ql3xxx_pci_tbl,
4110 .probe = ql3xxx_probe,
4111 .remove = __devexit_p(ql3xxx_remove),
4112};
4113
4114static int __init ql3xxx_init_module(void)
4115{
4116 return pci_register_driver(&ql3xxx_driver);
4117}
4118
4119static void __exit ql3xxx_exit(void)
4120{
4121 pci_unregister_driver(&ql3xxx_driver);
4122}
4123
4124module_init(ql3xxx_init_module);
4125module_exit(ql3xxx_exit);