2 * QLogic QLA3xxx NIC HBA Driver
3 * Copyright (c) 2003-2006 QLogic Corporation
5 * See LICENSE.qla3xxx for copyright and licensing details.
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>
26 #include <linux/if_arp.h>
27 #include <linux/if_ether.h>
28 #include <linux/netdevice.h>
29 #include <linux/etherdevice.h>
30 #include <linux/ethtool.h>
31 #include <linux/skbuff.h>
32 #include <linux/rtnetlink.h>
33 #include <linux/if_vlan.h>
34 #include <linux/init.h>
35 #include <linux/delay.h>
40 #define DRV_NAME "qla3xxx"
41 #define DRV_STRING "QLogic ISP3XXX Network Driver"
42 #define DRV_VERSION "v2.02.00-k36"
43 #define PFX DRV_NAME " "
45 static const char ql3xxx_driver_name[] = DRV_NAME;
46 static const char ql3xxx_driver_version[] = DRV_VERSION;
48 MODULE_AUTHOR("QLogic Corporation");
49 MODULE_DESCRIPTION("QLogic ISP3XXX Network Driver " DRV_VERSION " ");
50 MODULE_LICENSE("GPL");
51 MODULE_VERSION(DRV_VERSION);
53 static const u32 default_msg
54 = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
55 | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
57 static int debug = -1; /* defaults above */
58 module_param(debug, int, 0);
59 MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
62 module_param(msi, int, 0);
63 MODULE_PARM_DESC(msi, "Turn on Message Signaled Interrupts.");
65 static struct pci_device_id ql3xxx_pci_tbl[] __devinitdata = {
66 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QL3022_DEVICE_ID)},
67 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QL3032_DEVICE_ID)},
68 /* required last entry */
72 MODULE_DEVICE_TABLE(pci, ql3xxx_pci_tbl);
75 * Caller must take hw_lock.
77 static int ql_sem_spinlock(struct ql3_adapter *qdev,
78 u32 sem_mask, u32 sem_bits)
80 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
82 unsigned int seconds = 3;
85 writel((sem_mask | sem_bits),
86 &port_regs->CommonRegs.semaphoreReg);
87 value = readl(&port_regs->CommonRegs.semaphoreReg);
88 if ((value & (sem_mask >> 16)) == sem_bits)
95 static void ql_sem_unlock(struct ql3_adapter *qdev, u32 sem_mask)
97 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
98 writel(sem_mask, &port_regs->CommonRegs.semaphoreReg);
99 readl(&port_regs->CommonRegs.semaphoreReg);
102 static int ql_sem_lock(struct ql3_adapter *qdev, u32 sem_mask, u32 sem_bits)
104 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
107 writel((sem_mask | sem_bits), &port_regs->CommonRegs.semaphoreReg);
108 value = readl(&port_regs->CommonRegs.semaphoreReg);
109 return ((value & (sem_mask >> 16)) == sem_bits);
113 * Caller holds hw_lock.
115 static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev)
120 if (!ql_sem_lock(qdev,
122 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index)
128 printk(KERN_ERR PFX "%s: Timed out waiting for "
134 printk(KERN_DEBUG PFX
135 "%s: driver lock acquired.\n",
142 static void ql_set_register_page(struct ql3_adapter *qdev, u32 page)
144 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
146 writel(((ISP_CONTROL_NP_MASK << 16) | page),
147 &port_regs->CommonRegs.ispControlStatus);
148 readl(&port_regs->CommonRegs.ispControlStatus);
149 qdev->current_page = page;
152 static u32 ql_read_common_reg_l(struct ql3_adapter *qdev,
156 unsigned long hw_flags;
158 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
160 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
165 static u32 ql_read_common_reg(struct ql3_adapter *qdev,
171 static u32 ql_read_page0_reg_l(struct ql3_adapter *qdev, u32 __iomem *reg)
174 unsigned long hw_flags;
176 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
178 if (qdev->current_page != 0)
179 ql_set_register_page(qdev,0);
182 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
186 static u32 ql_read_page0_reg(struct ql3_adapter *qdev, u32 __iomem *reg)
188 if (qdev->current_page != 0)
189 ql_set_register_page(qdev,0);
193 static void ql_write_common_reg_l(struct ql3_adapter *qdev,
194 u32 __iomem *reg, u32 value)
196 unsigned long hw_flags;
198 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
201 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
205 static void ql_write_common_reg(struct ql3_adapter *qdev,
206 u32 __iomem *reg, u32 value)
213 static void ql_write_nvram_reg(struct ql3_adapter *qdev,
214 u32 __iomem *reg, u32 value)
222 static void ql_write_page0_reg(struct ql3_adapter *qdev,
223 u32 __iomem *reg, u32 value)
225 if (qdev->current_page != 0)
226 ql_set_register_page(qdev,0);
233 * Caller holds hw_lock. Only called during init.
235 static void ql_write_page1_reg(struct ql3_adapter *qdev,
236 u32 __iomem *reg, u32 value)
238 if (qdev->current_page != 1)
239 ql_set_register_page(qdev,1);
246 * Caller holds hw_lock. Only called during init.
248 static void ql_write_page2_reg(struct ql3_adapter *qdev,
249 u32 __iomem *reg, u32 value)
251 if (qdev->current_page != 2)
252 ql_set_register_page(qdev,2);
258 static void ql_disable_interrupts(struct ql3_adapter *qdev)
260 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
262 ql_write_common_reg_l(qdev, &port_regs->CommonRegs.ispInterruptMaskReg,
263 (ISP_IMR_ENABLE_INT << 16));
267 static void ql_enable_interrupts(struct ql3_adapter *qdev)
269 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
271 ql_write_common_reg_l(qdev, &port_regs->CommonRegs.ispInterruptMaskReg,
272 ((0xff << 16) | ISP_IMR_ENABLE_INT));
276 static void ql_release_to_lrg_buf_free_list(struct ql3_adapter *qdev,
277 struct ql_rcv_buf_cb *lrg_buf_cb)
280 lrg_buf_cb->next = NULL;
282 if (qdev->lrg_buf_free_tail == NULL) { /* The list is empty */
283 qdev->lrg_buf_free_head = qdev->lrg_buf_free_tail = lrg_buf_cb;
285 qdev->lrg_buf_free_tail->next = lrg_buf_cb;
286 qdev->lrg_buf_free_tail = lrg_buf_cb;
289 if (!lrg_buf_cb->skb) {
290 lrg_buf_cb->skb = netdev_alloc_skb(qdev->ndev,
291 qdev->lrg_buffer_len);
292 if (unlikely(!lrg_buf_cb->skb)) {
293 printk(KERN_ERR PFX "%s: failed netdev_alloc_skb().\n",
295 qdev->lrg_buf_skb_check++;
298 * We save some space to copy the ethhdr from first
301 skb_reserve(lrg_buf_cb->skb, QL_HEADER_SPACE);
302 map = pci_map_single(qdev->pdev,
303 lrg_buf_cb->skb->data,
304 qdev->lrg_buffer_len -
307 lrg_buf_cb->buf_phy_addr_low =
308 cpu_to_le32(LS_64BITS(map));
309 lrg_buf_cb->buf_phy_addr_high =
310 cpu_to_le32(MS_64BITS(map));
311 pci_unmap_addr_set(lrg_buf_cb, mapaddr, map);
312 pci_unmap_len_set(lrg_buf_cb, maplen,
313 qdev->lrg_buffer_len -
318 qdev->lrg_buf_free_count++;
321 static struct ql_rcv_buf_cb *ql_get_from_lrg_buf_free_list(struct ql3_adapter
324 struct ql_rcv_buf_cb *lrg_buf_cb;
326 if ((lrg_buf_cb = qdev->lrg_buf_free_head) != NULL) {
327 if ((qdev->lrg_buf_free_head = lrg_buf_cb->next) == NULL)
328 qdev->lrg_buf_free_tail = NULL;
329 qdev->lrg_buf_free_count--;
335 static u32 addrBits = EEPROM_NO_ADDR_BITS;
336 static u32 dataBits = EEPROM_NO_DATA_BITS;
338 static void fm93c56a_deselect(struct ql3_adapter *qdev);
339 static void eeprom_readword(struct ql3_adapter *qdev, u32 eepromAddr,
340 unsigned short *value);
343 * Caller holds hw_lock.
345 static void fm93c56a_select(struct ql3_adapter *qdev)
347 struct ql3xxx_port_registers __iomem *port_regs =
348 qdev->mem_map_registers;
350 qdev->eeprom_cmd_data = AUBURN_EEPROM_CS_1;
351 ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
352 ISP_NVRAM_MASK | qdev->eeprom_cmd_data);
353 ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
354 ((ISP_NVRAM_MASK << 16) | qdev->eeprom_cmd_data));
358 * Caller holds hw_lock.
360 static void fm93c56a_cmd(struct ql3_adapter *qdev, u32 cmd, u32 eepromAddr)
366 struct ql3xxx_port_registers __iomem *port_regs =
367 qdev->mem_map_registers;
369 /* Clock in a zero, then do the start bit */
370 ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
371 ISP_NVRAM_MASK | qdev->eeprom_cmd_data |
373 ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
374 ISP_NVRAM_MASK | qdev->
375 eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
376 AUBURN_EEPROM_CLK_RISE);
377 ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
378 ISP_NVRAM_MASK | qdev->
379 eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
380 AUBURN_EEPROM_CLK_FALL);
382 mask = 1 << (FM93C56A_CMD_BITS - 1);
383 /* Force the previous data bit to be different */
384 previousBit = 0xffff;
385 for (i = 0; i < FM93C56A_CMD_BITS; i++) {
387 (cmd & mask) ? AUBURN_EEPROM_DO_1 : AUBURN_EEPROM_DO_0;
388 if (previousBit != dataBit) {
390 * If the bit changed, then change the DO state to
393 ql_write_nvram_reg(qdev,
394 &port_regs->CommonRegs.
395 serialPortInterfaceReg,
396 ISP_NVRAM_MASK | qdev->
397 eeprom_cmd_data | dataBit);
398 previousBit = dataBit;
400 ql_write_nvram_reg(qdev,
401 &port_regs->CommonRegs.
402 serialPortInterfaceReg,
403 ISP_NVRAM_MASK | qdev->
404 eeprom_cmd_data | dataBit |
405 AUBURN_EEPROM_CLK_RISE);
406 ql_write_nvram_reg(qdev,
407 &port_regs->CommonRegs.
408 serialPortInterfaceReg,
409 ISP_NVRAM_MASK | qdev->
410 eeprom_cmd_data | dataBit |
411 AUBURN_EEPROM_CLK_FALL);
415 mask = 1 << (addrBits - 1);
416 /* Force the previous data bit to be different */
417 previousBit = 0xffff;
418 for (i = 0; i < addrBits; i++) {
420 (eepromAddr & mask) ? AUBURN_EEPROM_DO_1 :
422 if (previousBit != dataBit) {
424 * If the bit changed, then change the DO state to
427 ql_write_nvram_reg(qdev,
428 &port_regs->CommonRegs.
429 serialPortInterfaceReg,
430 ISP_NVRAM_MASK | qdev->
431 eeprom_cmd_data | dataBit);
432 previousBit = dataBit;
434 ql_write_nvram_reg(qdev,
435 &port_regs->CommonRegs.
436 serialPortInterfaceReg,
437 ISP_NVRAM_MASK | qdev->
438 eeprom_cmd_data | dataBit |
439 AUBURN_EEPROM_CLK_RISE);
440 ql_write_nvram_reg(qdev,
441 &port_regs->CommonRegs.
442 serialPortInterfaceReg,
443 ISP_NVRAM_MASK | qdev->
444 eeprom_cmd_data | dataBit |
445 AUBURN_EEPROM_CLK_FALL);
446 eepromAddr = eepromAddr << 1;
451 * Caller holds hw_lock.
453 static void fm93c56a_deselect(struct ql3_adapter *qdev)
455 struct ql3xxx_port_registers __iomem *port_regs =
456 qdev->mem_map_registers;
457 qdev->eeprom_cmd_data = AUBURN_EEPROM_CS_0;
458 ql_write_nvram_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
459 ISP_NVRAM_MASK | qdev->eeprom_cmd_data);
463 * Caller holds hw_lock.
465 static void fm93c56a_datain(struct ql3_adapter *qdev, unsigned short *value)
470 struct ql3xxx_port_registers __iomem *port_regs =
471 qdev->mem_map_registers;
473 /* Read the data bits */
474 /* The first bit is a dummy. Clock right over it. */
475 for (i = 0; i < dataBits; i++) {
476 ql_write_nvram_reg(qdev,
477 &port_regs->CommonRegs.
478 serialPortInterfaceReg,
479 ISP_NVRAM_MASK | qdev->eeprom_cmd_data |
480 AUBURN_EEPROM_CLK_RISE);
481 ql_write_nvram_reg(qdev,
482 &port_regs->CommonRegs.
483 serialPortInterfaceReg,
484 ISP_NVRAM_MASK | qdev->eeprom_cmd_data |
485 AUBURN_EEPROM_CLK_FALL);
489 &port_regs->CommonRegs.
490 serialPortInterfaceReg) & AUBURN_EEPROM_DI_1) ? 1 : 0;
491 data = (data << 1) | dataBit;
497 * Caller holds hw_lock.
499 static void eeprom_readword(struct ql3_adapter *qdev,
500 u32 eepromAddr, unsigned short *value)
502 fm93c56a_select(qdev);
503 fm93c56a_cmd(qdev, (int)FM93C56A_READ, eepromAddr);
504 fm93c56a_datain(qdev, value);
505 fm93c56a_deselect(qdev);
508 static void ql_swap_mac_addr(u8 * macAddress)
512 temp = macAddress[0];
513 macAddress[0] = macAddress[1];
514 macAddress[1] = temp;
515 temp = macAddress[2];
516 macAddress[2] = macAddress[3];
517 macAddress[3] = temp;
518 temp = macAddress[4];
519 macAddress[4] = macAddress[5];
520 macAddress[5] = temp;
524 static int ql_get_nvram_params(struct ql3_adapter *qdev)
529 unsigned long hw_flags;
531 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
533 pEEPROMData = (u16 *) & qdev->nvram_data;
534 qdev->eeprom_cmd_data = 0;
535 if(ql_sem_spinlock(qdev, QL_NVRAM_SEM_MASK,
536 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
538 printk(KERN_ERR PFX"%s: Failed ql_sem_spinlock().\n",
540 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
544 for (index = 0; index < EEPROM_SIZE; index++) {
545 eeprom_readword(qdev, index, pEEPROMData);
546 checksum += *pEEPROMData;
549 ql_sem_unlock(qdev, QL_NVRAM_SEM_MASK);
552 printk(KERN_ERR PFX "%s: checksum should be zero, is %x!!\n",
553 qdev->ndev->name, checksum);
554 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
559 * We have a problem with endianness for the MAC addresses
560 * and the two 8-bit values version, and numPorts. We
561 * have to swap them on big endian systems.
563 ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn0.macAddress);
564 ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn1.macAddress);
565 ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn2.macAddress);
566 ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn3.macAddress);
567 pEEPROMData = (u16 *) & qdev->nvram_data.version;
568 *pEEPROMData = le16_to_cpu(*pEEPROMData);
570 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
574 static const u32 PHYAddr[2] = {
575 PORT0_PHY_ADDRESS, PORT1_PHY_ADDRESS
578 static int ql_wait_for_mii_ready(struct ql3_adapter *qdev)
580 struct ql3xxx_port_registers __iomem *port_regs =
581 qdev->mem_map_registers;
586 temp = ql_read_page0_reg(qdev, &port_regs->macMIIStatusReg);
587 if (!(temp & MAC_MII_STATUS_BSY))
595 static void ql_mii_enable_scan_mode(struct ql3_adapter *qdev)
597 struct ql3xxx_port_registers __iomem *port_regs =
598 qdev->mem_map_registers;
601 if (qdev->numPorts > 1) {
602 /* Auto scan will cycle through multiple ports */
603 scanControl = MAC_MII_CONTROL_AS | MAC_MII_CONTROL_SC;
605 scanControl = MAC_MII_CONTROL_SC;
609 * Scan register 1 of PHY/PETBI,
610 * Set up to scan both devices
611 * The autoscan starts from the first register, completes
612 * the last one before rolling over to the first
614 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
615 PHYAddr[0] | MII_SCAN_REGISTER);
617 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
619 ((MAC_MII_CONTROL_SC | MAC_MII_CONTROL_AS) << 16));
622 static u8 ql_mii_disable_scan_mode(struct ql3_adapter *qdev)
625 struct ql3xxx_port_registers __iomem *port_regs =
626 qdev->mem_map_registers;
628 /* See if scan mode is enabled before we turn it off */
629 if (ql_read_page0_reg(qdev, &port_regs->macMIIMgmtControlReg) &
630 (MAC_MII_CONTROL_AS | MAC_MII_CONTROL_SC)) {
631 /* Scan is enabled */
634 /* Scan is disabled */
639 * When disabling scan mode you must first change the MII register
642 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
643 PHYAddr[0] | MII_SCAN_REGISTER);
645 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
646 ((MAC_MII_CONTROL_SC | MAC_MII_CONTROL_AS |
647 MAC_MII_CONTROL_RC) << 16));
652 static int ql_mii_write_reg_ex(struct ql3_adapter *qdev,
653 u16 regAddr, u16 value, u32 mac_index)
655 struct ql3xxx_port_registers __iomem *port_regs =
656 qdev->mem_map_registers;
659 scanWasEnabled = ql_mii_disable_scan_mode(qdev);
661 if (ql_wait_for_mii_ready(qdev)) {
662 if (netif_msg_link(qdev))
663 printk(KERN_WARNING PFX
664 "%s Timed out waiting for management port to "
665 "get free before issuing command.\n",
670 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
671 PHYAddr[mac_index] | regAddr);
673 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtDataReg, value);
675 /* Wait for write to complete 9/10/04 SJP */
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",
686 ql_mii_enable_scan_mode(qdev);
691 static int ql_mii_read_reg_ex(struct ql3_adapter *qdev, u16 regAddr,
692 u16 * value, u32 mac_index)
694 struct ql3xxx_port_registers __iomem *port_regs =
695 qdev->mem_map_registers;
699 scanWasEnabled = ql_mii_disable_scan_mode(qdev);
701 if (ql_wait_for_mii_ready(qdev)) {
702 if (netif_msg_link(qdev))
703 printk(KERN_WARNING PFX
704 "%s: Timed out waiting for management port to "
705 "get free before issuing command.\n",
710 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
711 PHYAddr[mac_index] | regAddr);
713 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
714 (MAC_MII_CONTROL_RC << 16));
716 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
717 (MAC_MII_CONTROL_RC << 16) | MAC_MII_CONTROL_RC);
719 /* Wait for the read to complete */
720 if (ql_wait_for_mii_ready(qdev)) {
721 if (netif_msg_link(qdev))
722 printk(KERN_WARNING PFX
723 "%s: Timed out waiting for management port to "
724 "get free after issuing command.\n",
729 temp = ql_read_page0_reg(qdev, &port_regs->macMIIMgmtDataReg);
733 ql_mii_enable_scan_mode(qdev);
738 static int ql_mii_write_reg(struct ql3_adapter *qdev, u16 regAddr, u16 value)
740 struct ql3xxx_port_registers __iomem *port_regs =
741 qdev->mem_map_registers;
743 ql_mii_disable_scan_mode(qdev);
745 if (ql_wait_for_mii_ready(qdev)) {
746 if (netif_msg_link(qdev))
747 printk(KERN_WARNING PFX
748 "%s: Timed out waiting for management port to "
749 "get free before issuing command.\n",
754 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
755 qdev->PHYAddr | regAddr);
757 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtDataReg, value);
759 /* Wait for write to complete. */
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",
769 ql_mii_enable_scan_mode(qdev);
774 static int ql_mii_read_reg(struct ql3_adapter *qdev, u16 regAddr, u16 *value)
777 struct ql3xxx_port_registers __iomem *port_regs =
778 qdev->mem_map_registers;
780 ql_mii_disable_scan_mode(qdev);
782 if (ql_wait_for_mii_ready(qdev)) {
783 if (netif_msg_link(qdev))
784 printk(KERN_WARNING PFX
785 "%s: Timed out waiting for management port to "
786 "get free before issuing command.\n",
791 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
792 qdev->PHYAddr | regAddr);
794 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
795 (MAC_MII_CONTROL_RC << 16));
797 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
798 (MAC_MII_CONTROL_RC << 16) | MAC_MII_CONTROL_RC);
800 /* Wait for the read to complete */
801 if (ql_wait_for_mii_ready(qdev)) {
802 if (netif_msg_link(qdev))
803 printk(KERN_WARNING PFX
804 "%s: Timed out waiting for management port to "
805 "get free before issuing command.\n",
810 temp = ql_read_page0_reg(qdev, &port_regs->macMIIMgmtDataReg);
813 ql_mii_enable_scan_mode(qdev);
818 static void ql_petbi_reset(struct ql3_adapter *qdev)
820 ql_mii_write_reg(qdev, PETBI_CONTROL_REG, PETBI_CTRL_SOFT_RESET);
823 static void ql_petbi_start_neg(struct ql3_adapter *qdev)
827 /* Enable Auto-negotiation sense */
828 ql_mii_read_reg(qdev, PETBI_TBI_CTRL, ®);
829 reg |= PETBI_TBI_AUTO_SENSE;
830 ql_mii_write_reg(qdev, PETBI_TBI_CTRL, reg);
832 ql_mii_write_reg(qdev, PETBI_NEG_ADVER,
833 PETBI_NEG_PAUSE | PETBI_NEG_DUPLEX);
835 ql_mii_write_reg(qdev, PETBI_CONTROL_REG,
836 PETBI_CTRL_AUTO_NEG | PETBI_CTRL_RESTART_NEG |
837 PETBI_CTRL_FULL_DUPLEX | PETBI_CTRL_SPEED_1000);
841 static void ql_petbi_reset_ex(struct ql3_adapter *qdev, u32 mac_index)
843 ql_mii_write_reg_ex(qdev, PETBI_CONTROL_REG, PETBI_CTRL_SOFT_RESET,
847 static void ql_petbi_start_neg_ex(struct ql3_adapter *qdev, u32 mac_index)
851 /* Enable Auto-negotiation sense */
852 ql_mii_read_reg_ex(qdev, PETBI_TBI_CTRL, ®, mac_index);
853 reg |= PETBI_TBI_AUTO_SENSE;
854 ql_mii_write_reg_ex(qdev, PETBI_TBI_CTRL, reg, mac_index);
856 ql_mii_write_reg_ex(qdev, PETBI_NEG_ADVER,
857 PETBI_NEG_PAUSE | PETBI_NEG_DUPLEX, mac_index);
859 ql_mii_write_reg_ex(qdev, PETBI_CONTROL_REG,
860 PETBI_CTRL_AUTO_NEG | PETBI_CTRL_RESTART_NEG |
861 PETBI_CTRL_FULL_DUPLEX | PETBI_CTRL_SPEED_1000,
865 static void ql_petbi_init(struct ql3_adapter *qdev)
867 ql_petbi_reset(qdev);
868 ql_petbi_start_neg(qdev);
871 static void ql_petbi_init_ex(struct ql3_adapter *qdev, u32 mac_index)
873 ql_petbi_reset_ex(qdev, mac_index);
874 ql_petbi_start_neg_ex(qdev, mac_index);
877 static int ql_is_petbi_neg_pause(struct ql3_adapter *qdev)
881 if (ql_mii_read_reg(qdev, PETBI_NEG_PARTNER, ®) < 0)
884 return (reg & PETBI_NEG_PAUSE_MASK) == PETBI_NEG_PAUSE;
887 static int ql_phy_get_speed(struct ql3_adapter *qdev)
891 if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, ®) < 0)
894 reg = (((reg & 0x18) >> 3) & 3);
906 static int ql_is_full_dup(struct ql3_adapter *qdev)
910 if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, ®) < 0)
913 return (reg & PHY_AUX_DUPLEX_STAT) != 0;
916 static int ql_is_phy_neg_pause(struct ql3_adapter *qdev)
920 if (ql_mii_read_reg(qdev, PHY_NEG_PARTNER, ®) < 0)
923 return (reg & PHY_NEG_PAUSE) != 0;
927 * Caller holds hw_lock.
929 static void ql_mac_enable(struct ql3_adapter *qdev, u32 enable)
931 struct ql3xxx_port_registers __iomem *port_regs =
932 qdev->mem_map_registers;
936 value = (MAC_CONFIG_REG_PE | (MAC_CONFIG_REG_PE << 16));
938 value = (MAC_CONFIG_REG_PE << 16);
941 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
943 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
947 * Caller holds hw_lock.
949 static void ql_mac_cfg_soft_reset(struct ql3_adapter *qdev, u32 enable)
951 struct ql3xxx_port_registers __iomem *port_regs =
952 qdev->mem_map_registers;
956 value = (MAC_CONFIG_REG_SR | (MAC_CONFIG_REG_SR << 16));
958 value = (MAC_CONFIG_REG_SR << 16);
961 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
963 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
967 * Caller holds hw_lock.
969 static void ql_mac_cfg_gig(struct ql3_adapter *qdev, u32 enable)
971 struct ql3xxx_port_registers __iomem *port_regs =
972 qdev->mem_map_registers;
976 value = (MAC_CONFIG_REG_GM | (MAC_CONFIG_REG_GM << 16));
978 value = (MAC_CONFIG_REG_GM << 16);
981 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
983 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
987 * Caller holds hw_lock.
989 static void ql_mac_cfg_full_dup(struct ql3_adapter *qdev, u32 enable)
991 struct ql3xxx_port_registers __iomem *port_regs =
992 qdev->mem_map_registers;
996 value = (MAC_CONFIG_REG_FD | (MAC_CONFIG_REG_FD << 16));
998 value = (MAC_CONFIG_REG_FD << 16);
1000 if (qdev->mac_index)
1001 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1003 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1007 * Caller holds hw_lock.
1009 static void ql_mac_cfg_pause(struct ql3_adapter *qdev, u32 enable)
1011 struct ql3xxx_port_registers __iomem *port_regs =
1012 qdev->mem_map_registers;
1017 ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) |
1018 ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) << 16));
1020 value = ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) << 16);
1022 if (qdev->mac_index)
1023 ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value);
1025 ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value);
1029 * Caller holds hw_lock.
1031 static int ql_is_fiber(struct ql3_adapter *qdev)
1033 struct ql3xxx_port_registers __iomem *port_regs =
1034 qdev->mem_map_registers;
1038 switch (qdev->mac_index) {
1040 bitToCheck = PORT_STATUS_SM0;
1043 bitToCheck = PORT_STATUS_SM1;
1047 temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1048 return (temp & bitToCheck) != 0;
1051 static int ql_is_auto_cfg(struct ql3_adapter *qdev)
1054 ql_mii_read_reg(qdev, 0x00, ®);
1055 return (reg & 0x1000) != 0;
1059 * Caller holds hw_lock.
1061 static int ql_is_auto_neg_complete(struct ql3_adapter *qdev)
1063 struct ql3xxx_port_registers __iomem *port_regs =
1064 qdev->mem_map_registers;
1068 switch (qdev->mac_index) {
1070 bitToCheck = PORT_STATUS_AC0;
1073 bitToCheck = PORT_STATUS_AC1;
1077 temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1078 if (temp & bitToCheck) {
1079 if (netif_msg_link(qdev))
1080 printk(KERN_INFO PFX
1081 "%s: Auto-Negotiate complete.\n",
1085 if (netif_msg_link(qdev))
1086 printk(KERN_WARNING PFX
1087 "%s: Auto-Negotiate incomplete.\n",
1094 * ql_is_neg_pause() returns 1 if pause was negotiated to be on
1096 static int ql_is_neg_pause(struct ql3_adapter *qdev)
1098 if (ql_is_fiber(qdev))
1099 return ql_is_petbi_neg_pause(qdev);
1101 return ql_is_phy_neg_pause(qdev);
1104 static int ql_auto_neg_error(struct ql3_adapter *qdev)
1106 struct ql3xxx_port_registers __iomem *port_regs =
1107 qdev->mem_map_registers;
1111 switch (qdev->mac_index) {
1113 bitToCheck = PORT_STATUS_AE0;
1116 bitToCheck = PORT_STATUS_AE1;
1119 temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1120 return (temp & bitToCheck) != 0;
1123 static u32 ql_get_link_speed(struct ql3_adapter *qdev)
1125 if (ql_is_fiber(qdev))
1128 return ql_phy_get_speed(qdev);
1131 static int ql_is_link_full_dup(struct ql3_adapter *qdev)
1133 if (ql_is_fiber(qdev))
1136 return ql_is_full_dup(qdev);
1140 * Caller holds hw_lock.
1142 static int ql_link_down_detect(struct ql3_adapter *qdev)
1144 struct ql3xxx_port_registers __iomem *port_regs =
1145 qdev->mem_map_registers;
1149 switch (qdev->mac_index) {
1151 bitToCheck = ISP_CONTROL_LINK_DN_0;
1154 bitToCheck = ISP_CONTROL_LINK_DN_1;
1159 ql_read_common_reg(qdev, &port_regs->CommonRegs.ispControlStatus);
1160 return (temp & bitToCheck) != 0;
1164 * Caller holds hw_lock.
1166 static int ql_link_down_detect_clear(struct ql3_adapter *qdev)
1168 struct ql3xxx_port_registers __iomem *port_regs =
1169 qdev->mem_map_registers;
1171 switch (qdev->mac_index) {
1173 ql_write_common_reg(qdev,
1174 &port_regs->CommonRegs.ispControlStatus,
1175 (ISP_CONTROL_LINK_DN_0) |
1176 (ISP_CONTROL_LINK_DN_0 << 16));
1180 ql_write_common_reg(qdev,
1181 &port_regs->CommonRegs.ispControlStatus,
1182 (ISP_CONTROL_LINK_DN_1) |
1183 (ISP_CONTROL_LINK_DN_1 << 16));
1194 * Caller holds hw_lock.
1196 static int ql_this_adapter_controls_port(struct ql3_adapter *qdev,
1199 struct ql3xxx_port_registers __iomem *port_regs =
1200 qdev->mem_map_registers;
1204 switch (mac_index) {
1206 bitToCheck = PORT_STATUS_F1_ENABLED;
1209 bitToCheck = PORT_STATUS_F3_ENABLED;
1215 temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1216 if (temp & bitToCheck) {
1217 if (netif_msg_link(qdev))
1218 printk(KERN_DEBUG PFX
1219 "%s: is not link master.\n", qdev->ndev->name);
1222 if (netif_msg_link(qdev))
1223 printk(KERN_DEBUG PFX
1224 "%s: is link master.\n", qdev->ndev->name);
1229 static void ql_phy_reset_ex(struct ql3_adapter *qdev, u32 mac_index)
1231 ql_mii_write_reg_ex(qdev, CONTROL_REG, PHY_CTRL_SOFT_RESET, mac_index);
1234 static void ql_phy_start_neg_ex(struct ql3_adapter *qdev, u32 mac_index)
1238 ql_mii_write_reg_ex(qdev, PHY_NEG_ADVER,
1239 PHY_NEG_PAUSE | PHY_NEG_ADV_SPEED | 1, mac_index);
1241 ql_mii_read_reg_ex(qdev, CONTROL_REG, ®, mac_index);
1242 ql_mii_write_reg_ex(qdev, CONTROL_REG, reg | PHY_CTRL_RESTART_NEG,
1246 static void ql_phy_init_ex(struct ql3_adapter *qdev, u32 mac_index)
1248 ql_phy_reset_ex(qdev, mac_index);
1249 ql_phy_start_neg_ex(qdev, mac_index);
1253 * Caller holds hw_lock.
1255 static u32 ql_get_link_state(struct ql3_adapter *qdev)
1257 struct ql3xxx_port_registers __iomem *port_regs =
1258 qdev->mem_map_registers;
1260 u32 temp, linkState;
1262 switch (qdev->mac_index) {
1264 bitToCheck = PORT_STATUS_UP0;
1267 bitToCheck = PORT_STATUS_UP1;
1270 temp = ql_read_page0_reg(qdev, &port_regs->portStatus);
1271 if (temp & bitToCheck) {
1274 linkState = LS_DOWN;
1275 if (netif_msg_link(qdev))
1276 printk(KERN_WARNING PFX
1277 "%s: Link is down.\n", qdev->ndev->name);
1282 static int ql_port_start(struct ql3_adapter *qdev)
1284 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1285 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1289 if (ql_is_fiber(qdev)) {
1290 ql_petbi_init(qdev);
1293 ql_phy_init_ex(qdev, qdev->mac_index);
1296 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1300 static int ql_finish_auto_neg(struct ql3_adapter *qdev)
1303 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1304 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1308 if (!ql_auto_neg_error(qdev)) {
1309 if (test_bit(QL_LINK_MASTER,&qdev->flags)) {
1310 /* configure the MAC */
1311 if (netif_msg_link(qdev))
1312 printk(KERN_DEBUG PFX
1313 "%s: Configuring link.\n",
1316 ql_mac_cfg_soft_reset(qdev, 1);
1317 ql_mac_cfg_gig(qdev,
1321 ql_mac_cfg_full_dup(qdev,
1324 ql_mac_cfg_pause(qdev,
1327 ql_mac_cfg_soft_reset(qdev, 0);
1329 /* enable the MAC */
1330 if (netif_msg_link(qdev))
1331 printk(KERN_DEBUG PFX
1332 "%s: Enabling mac.\n",
1335 ql_mac_enable(qdev, 1);
1338 if (netif_msg_link(qdev))
1339 printk(KERN_DEBUG PFX
1340 "%s: Change port_link_state LS_DOWN to LS_UP.\n",
1342 qdev->port_link_state = LS_UP;
1343 netif_start_queue(qdev->ndev);
1344 netif_carrier_on(qdev->ndev);
1345 if (netif_msg_link(qdev))
1346 printk(KERN_INFO PFX
1347 "%s: Link is up at %d Mbps, %s duplex.\n",
1349 ql_get_link_speed(qdev),
1350 ql_is_link_full_dup(qdev)
1353 } else { /* Remote error detected */
1355 if (test_bit(QL_LINK_MASTER,&qdev->flags)) {
1356 if (netif_msg_link(qdev))
1357 printk(KERN_DEBUG PFX
1358 "%s: Remote error detected. "
1359 "Calling ql_port_start().\n",
1363 * ql_port_start() is shared code and needs
1364 * to lock the PHY on it's own.
1366 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1367 if(ql_port_start(qdev)) {/* Restart port */
1373 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1377 static void ql_link_state_machine(struct ql3_adapter *qdev)
1379 u32 curr_link_state;
1380 unsigned long hw_flags;
1382 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1384 curr_link_state = ql_get_link_state(qdev);
1386 if (test_bit(QL_RESET_ACTIVE,&qdev->flags)) {
1387 if (netif_msg_link(qdev))
1388 printk(KERN_INFO PFX
1389 "%s: Reset in progress, skip processing link "
1390 "state.\n", qdev->ndev->name);
1392 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1396 switch (qdev->port_link_state) {
1398 if (test_bit(QL_LINK_MASTER,&qdev->flags)) {
1399 ql_port_start(qdev);
1401 qdev->port_link_state = LS_DOWN;
1405 if (netif_msg_link(qdev))
1406 printk(KERN_DEBUG PFX
1407 "%s: port_link_state = LS_DOWN.\n",
1409 if (curr_link_state == LS_UP) {
1410 if (netif_msg_link(qdev))
1411 printk(KERN_DEBUG PFX
1412 "%s: curr_link_state = LS_UP.\n",
1414 if (ql_is_auto_neg_complete(qdev))
1415 ql_finish_auto_neg(qdev);
1417 if (qdev->port_link_state == LS_UP)
1418 ql_link_down_detect_clear(qdev);
1425 * See if the link is currently down or went down and came
1428 if ((curr_link_state == LS_DOWN) || ql_link_down_detect(qdev)) {
1429 if (netif_msg_link(qdev))
1430 printk(KERN_INFO PFX "%s: Link is down.\n",
1432 qdev->port_link_state = LS_DOWN;
1436 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1440 * Caller must take hw_lock and QL_PHY_GIO_SEM.
1442 static void ql_get_phy_owner(struct ql3_adapter *qdev)
1444 if (ql_this_adapter_controls_port(qdev, qdev->mac_index))
1445 set_bit(QL_LINK_MASTER,&qdev->flags);
1447 clear_bit(QL_LINK_MASTER,&qdev->flags);
1451 * Caller must take hw_lock and QL_PHY_GIO_SEM.
1453 static void ql_init_scan_mode(struct ql3_adapter *qdev)
1455 ql_mii_enable_scan_mode(qdev);
1457 if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
1458 if (ql_this_adapter_controls_port(qdev, qdev->mac_index))
1459 ql_petbi_init_ex(qdev, qdev->mac_index);
1461 if (ql_this_adapter_controls_port(qdev, qdev->mac_index))
1462 ql_phy_init_ex(qdev, qdev->mac_index);
1467 * MII_Setup needs to be called before taking the PHY out of reset so that the
1468 * management interface clock speed can be set properly. It would be better if
1469 * we had a way to disable MDC until after the PHY is out of reset, but we
1470 * don't have that capability.
1472 static int ql_mii_setup(struct ql3_adapter *qdev)
1475 struct ql3xxx_port_registers __iomem *port_regs =
1476 qdev->mem_map_registers;
1478 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1479 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1483 if (qdev->device_id == QL3032_DEVICE_ID)
1484 ql_write_page0_reg(qdev,
1485 &port_regs->macMIIMgmtControlReg, 0x0f00000);
1487 /* Divide 125MHz clock by 28 to meet PHY timing requirements */
1488 reg = MAC_MII_CONTROL_CLK_SEL_DIV28;
1490 ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
1491 reg | ((MAC_MII_CONTROL_CLK_SEL_MASK) << 16));
1493 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1497 static u32 ql_supported_modes(struct ql3_adapter *qdev)
1501 if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
1502 supported = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE
1503 | SUPPORTED_Autoneg;
1505 supported = SUPPORTED_10baseT_Half
1506 | SUPPORTED_10baseT_Full
1507 | SUPPORTED_100baseT_Half
1508 | SUPPORTED_100baseT_Full
1509 | SUPPORTED_1000baseT_Half
1510 | SUPPORTED_1000baseT_Full
1511 | SUPPORTED_Autoneg | SUPPORTED_TP;
1517 static int ql_get_auto_cfg_status(struct ql3_adapter *qdev)
1520 unsigned long hw_flags;
1521 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1522 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1523 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1525 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1528 status = ql_is_auto_cfg(qdev);
1529 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1530 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1534 static u32 ql_get_speed(struct ql3_adapter *qdev)
1537 unsigned long hw_flags;
1538 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1539 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1540 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1542 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1545 status = ql_get_link_speed(qdev);
1546 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1547 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1551 static int ql_get_full_dup(struct ql3_adapter *qdev)
1554 unsigned long hw_flags;
1555 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1556 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
1557 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
1559 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1562 status = ql_is_link_full_dup(qdev);
1563 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
1564 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
1569 static int ql_get_settings(struct net_device *ndev, struct ethtool_cmd *ecmd)
1571 struct ql3_adapter *qdev = netdev_priv(ndev);
1573 ecmd->transceiver = XCVR_INTERNAL;
1574 ecmd->supported = ql_supported_modes(qdev);
1576 if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
1577 ecmd->port = PORT_FIBRE;
1579 ecmd->port = PORT_TP;
1580 ecmd->phy_address = qdev->PHYAddr;
1582 ecmd->advertising = ql_supported_modes(qdev);
1583 ecmd->autoneg = ql_get_auto_cfg_status(qdev);
1584 ecmd->speed = ql_get_speed(qdev);
1585 ecmd->duplex = ql_get_full_dup(qdev);
1589 static void ql_get_drvinfo(struct net_device *ndev,
1590 struct ethtool_drvinfo *drvinfo)
1592 struct ql3_adapter *qdev = netdev_priv(ndev);
1593 strncpy(drvinfo->driver, ql3xxx_driver_name, 32);
1594 strncpy(drvinfo->version, ql3xxx_driver_version, 32);
1595 strncpy(drvinfo->fw_version, "N/A", 32);
1596 strncpy(drvinfo->bus_info, pci_name(qdev->pdev), 32);
1597 drvinfo->n_stats = 0;
1598 drvinfo->testinfo_len = 0;
1599 drvinfo->regdump_len = 0;
1600 drvinfo->eedump_len = 0;
1603 static u32 ql_get_msglevel(struct net_device *ndev)
1605 struct ql3_adapter *qdev = netdev_priv(ndev);
1606 return qdev->msg_enable;
1609 static void ql_set_msglevel(struct net_device *ndev, u32 value)
1611 struct ql3_adapter *qdev = netdev_priv(ndev);
1612 qdev->msg_enable = value;
1615 static const struct ethtool_ops ql3xxx_ethtool_ops = {
1616 .get_settings = ql_get_settings,
1617 .get_drvinfo = ql_get_drvinfo,
1618 .get_perm_addr = ethtool_op_get_perm_addr,
1619 .get_link = ethtool_op_get_link,
1620 .get_msglevel = ql_get_msglevel,
1621 .set_msglevel = ql_set_msglevel,
1624 static int ql_populate_free_queue(struct ql3_adapter *qdev)
1626 struct ql_rcv_buf_cb *lrg_buf_cb = qdev->lrg_buf_free_head;
1629 while (lrg_buf_cb) {
1630 if (!lrg_buf_cb->skb) {
1631 lrg_buf_cb->skb = netdev_alloc_skb(qdev->ndev,
1632 qdev->lrg_buffer_len);
1633 if (unlikely(!lrg_buf_cb->skb)) {
1634 printk(KERN_DEBUG PFX
1635 "%s: Failed netdev_alloc_skb().\n",
1640 * We save some space to copy the ethhdr from
1643 skb_reserve(lrg_buf_cb->skb, QL_HEADER_SPACE);
1644 map = pci_map_single(qdev->pdev,
1645 lrg_buf_cb->skb->data,
1646 qdev->lrg_buffer_len -
1648 PCI_DMA_FROMDEVICE);
1649 lrg_buf_cb->buf_phy_addr_low =
1650 cpu_to_le32(LS_64BITS(map));
1651 lrg_buf_cb->buf_phy_addr_high =
1652 cpu_to_le32(MS_64BITS(map));
1653 pci_unmap_addr_set(lrg_buf_cb, mapaddr, map);
1654 pci_unmap_len_set(lrg_buf_cb, maplen,
1655 qdev->lrg_buffer_len -
1657 --qdev->lrg_buf_skb_check;
1658 if (!qdev->lrg_buf_skb_check)
1662 lrg_buf_cb = lrg_buf_cb->next;
1668 * Caller holds hw_lock.
1670 static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev)
1672 struct bufq_addr_element *lrg_buf_q_ele;
1674 struct ql_rcv_buf_cb *lrg_buf_cb;
1675 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1677 if ((qdev->lrg_buf_free_count >= 8)
1678 && (qdev->lrg_buf_release_cnt >= 16)) {
1680 if (qdev->lrg_buf_skb_check)
1681 if (!ql_populate_free_queue(qdev))
1684 lrg_buf_q_ele = qdev->lrg_buf_next_free;
1686 while ((qdev->lrg_buf_release_cnt >= 16)
1687 && (qdev->lrg_buf_free_count >= 8)) {
1689 for (i = 0; i < 8; i++) {
1691 ql_get_from_lrg_buf_free_list(qdev);
1692 lrg_buf_q_ele->addr_high =
1693 lrg_buf_cb->buf_phy_addr_high;
1694 lrg_buf_q_ele->addr_low =
1695 lrg_buf_cb->buf_phy_addr_low;
1698 qdev->lrg_buf_release_cnt--;
1701 qdev->lrg_buf_q_producer_index++;
1703 if (qdev->lrg_buf_q_producer_index == qdev->num_lbufq_entries)
1704 qdev->lrg_buf_q_producer_index = 0;
1706 if (qdev->lrg_buf_q_producer_index ==
1707 (qdev->num_lbufq_entries - 1)) {
1708 lrg_buf_q_ele = qdev->lrg_buf_q_virt_addr;
1712 qdev->lrg_buf_next_free = lrg_buf_q_ele;
1714 ql_write_common_reg(qdev,
1715 &port_regs->CommonRegs.
1716 rxLargeQProducerIndex,
1717 qdev->lrg_buf_q_producer_index);
1721 static void ql_process_mac_tx_intr(struct ql3_adapter *qdev,
1722 struct ob_mac_iocb_rsp *mac_rsp)
1724 struct ql_tx_buf_cb *tx_cb;
1727 tx_cb = &qdev->tx_buf[mac_rsp->transaction_id];
1728 pci_unmap_single(qdev->pdev,
1729 pci_unmap_addr(&tx_cb->map[0], mapaddr),
1730 pci_unmap_len(&tx_cb->map[0], maplen),
1733 if (tx_cb->seg_count) {
1734 for (i = 1; i < tx_cb->seg_count; i++) {
1735 pci_unmap_page(qdev->pdev,
1736 pci_unmap_addr(&tx_cb->map[i],
1738 pci_unmap_len(&tx_cb->map[i], maplen),
1742 qdev->stats.tx_packets++;
1743 qdev->stats.tx_bytes += tx_cb->skb->len;
1744 dev_kfree_skb_irq(tx_cb->skb);
1746 atomic_inc(&qdev->tx_count);
1750 * The difference between 3022 and 3032 for inbound completions:
1751 * 3022 uses two buffers per completion. The first buffer contains
1752 * (some) header info, the second the remainder of the headers plus
1753 * the data. For this chip we reserve some space at the top of the
1754 * receive buffer so that the header info in buffer one can be
1755 * prepended to the buffer two. Buffer two is the sent up while
1756 * buffer one is returned to the hardware to be reused.
1757 * 3032 receives all of it's data and headers in one buffer for a
1758 * simpler process. 3032 also supports checksum verification as
1759 * can be seen in ql_process_macip_rx_intr().
1761 static void ql_process_mac_rx_intr(struct ql3_adapter *qdev,
1762 struct ib_mac_iocb_rsp *ib_mac_rsp_ptr)
1765 u32 lrg_buf_phy_addr_low = 0;
1766 struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL;
1767 struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL;
1769 struct sk_buff *skb;
1770 u16 length = le16_to_cpu(ib_mac_rsp_ptr->length);
1773 * Get the inbound address list (small buffer).
1775 offset = qdev->small_buf_index * QL_SMALL_BUFFER_SIZE;
1776 if (++qdev->small_buf_index == NUM_SMALL_BUFFERS)
1777 qdev->small_buf_index = 0;
1779 curr_ial_ptr = (u32 *) (qdev->small_buf_virt_addr + offset);
1780 qdev->last_rsp_offset = qdev->small_buf_phy_addr_low + offset;
1781 qdev->small_buf_release_cnt++;
1783 if (qdev->device_id == QL3022_DEVICE_ID) {
1784 /* start of first buffer (3022 only) */
1785 lrg_buf_phy_addr_low = le32_to_cpu(*curr_ial_ptr);
1786 lrg_buf_cb1 = &qdev->lrg_buf[qdev->lrg_buf_index];
1787 qdev->lrg_buf_release_cnt++;
1788 if (++qdev->lrg_buf_index == qdev->num_large_buffers) {
1789 qdev->lrg_buf_index = 0;
1791 curr_ial_ptr++; /* 64-bit pointers require two incs. */
1795 /* start of second buffer */
1796 lrg_buf_phy_addr_low = le32_to_cpu(*curr_ial_ptr);
1797 lrg_buf_cb2 = &qdev->lrg_buf[qdev->lrg_buf_index];
1800 * Second buffer gets sent up the stack.
1802 qdev->lrg_buf_release_cnt++;
1803 if (++qdev->lrg_buf_index == qdev->num_large_buffers)
1804 qdev->lrg_buf_index = 0;
1805 skb = lrg_buf_cb2->skb;
1807 qdev->stats.rx_packets++;
1808 qdev->stats.rx_bytes += length;
1810 skb_put(skb, length);
1811 pci_unmap_single(qdev->pdev,
1812 pci_unmap_addr(lrg_buf_cb2, mapaddr),
1813 pci_unmap_len(lrg_buf_cb2, maplen),
1814 PCI_DMA_FROMDEVICE);
1815 prefetch(skb->data);
1816 skb->dev = qdev->ndev;
1817 skb->ip_summed = CHECKSUM_NONE;
1818 skb->protocol = eth_type_trans(skb, qdev->ndev);
1820 netif_receive_skb(skb);
1821 qdev->ndev->last_rx = jiffies;
1822 lrg_buf_cb2->skb = NULL;
1824 if (qdev->device_id == QL3022_DEVICE_ID)
1825 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb1);
1826 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb2);
1829 static void ql_process_macip_rx_intr(struct ql3_adapter *qdev,
1830 struct ib_ip_iocb_rsp *ib_ip_rsp_ptr)
1833 u32 lrg_buf_phy_addr_low = 0;
1834 struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL;
1835 struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL;
1837 struct sk_buff *skb1 = NULL, *skb2;
1838 struct net_device *ndev = qdev->ndev;
1839 u16 length = le16_to_cpu(ib_ip_rsp_ptr->length);
1843 * Get the inbound address list (small buffer).
1846 offset = qdev->small_buf_index * QL_SMALL_BUFFER_SIZE;
1847 if (++qdev->small_buf_index == NUM_SMALL_BUFFERS)
1848 qdev->small_buf_index = 0;
1849 curr_ial_ptr = (u32 *) (qdev->small_buf_virt_addr + offset);
1850 qdev->last_rsp_offset = qdev->small_buf_phy_addr_low + offset;
1851 qdev->small_buf_release_cnt++;
1853 if (qdev->device_id == QL3022_DEVICE_ID) {
1854 /* start of first buffer on 3022 */
1855 lrg_buf_phy_addr_low = le32_to_cpu(*curr_ial_ptr);
1856 lrg_buf_cb1 = &qdev->lrg_buf[qdev->lrg_buf_index];
1857 qdev->lrg_buf_release_cnt++;
1858 if (++qdev->lrg_buf_index == qdev->num_large_buffers)
1859 qdev->lrg_buf_index = 0;
1860 skb1 = lrg_buf_cb1->skb;
1861 curr_ial_ptr++; /* 64-bit pointers require two incs. */
1864 if (*((u16 *) skb1->data) != 0xFFFF)
1865 size += VLAN_ETH_HLEN - ETH_HLEN;
1868 /* start of second buffer */
1869 lrg_buf_phy_addr_low = le32_to_cpu(*curr_ial_ptr);
1870 lrg_buf_cb2 = &qdev->lrg_buf[qdev->lrg_buf_index];
1871 skb2 = lrg_buf_cb2->skb;
1872 qdev->lrg_buf_release_cnt++;
1873 if (++qdev->lrg_buf_index == qdev->num_large_buffers)
1874 qdev->lrg_buf_index = 0;
1876 skb_put(skb2, length); /* Just the second buffer length here. */
1877 pci_unmap_single(qdev->pdev,
1878 pci_unmap_addr(lrg_buf_cb2, mapaddr),
1879 pci_unmap_len(lrg_buf_cb2, maplen),
1880 PCI_DMA_FROMDEVICE);
1881 prefetch(skb2->data);
1883 skb2->ip_summed = CHECKSUM_NONE;
1884 if (qdev->device_id == QL3022_DEVICE_ID) {
1886 * Copy the ethhdr from first buffer to second. This
1887 * is necessary for 3022 IP completions.
1889 memcpy(skb_push(skb2, size), skb1->data + VLAN_ID_LEN, size);
1891 u16 checksum = le16_to_cpu(ib_ip_rsp_ptr->checksum);
1893 (IB_IP_IOCB_RSP_3032_ICE |
1894 IB_IP_IOCB_RSP_3032_CE |
1895 IB_IP_IOCB_RSP_3032_NUC)) {
1897 "%s: Bad checksum for this %s packet, checksum = %x.\n",
1900 IB_IP_IOCB_RSP_3032_TCP) ? "TCP" :
1902 } else if (checksum & IB_IP_IOCB_RSP_3032_TCP) {
1903 skb2->ip_summed = CHECKSUM_UNNECESSARY;
1906 skb2->dev = qdev->ndev;
1907 skb2->protocol = eth_type_trans(skb2, qdev->ndev);
1909 netif_receive_skb(skb2);
1910 qdev->stats.rx_packets++;
1911 qdev->stats.rx_bytes += length;
1912 ndev->last_rx = jiffies;
1913 lrg_buf_cb2->skb = NULL;
1915 if (qdev->device_id == QL3022_DEVICE_ID)
1916 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb1);
1917 ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb2);
1920 static int ql_tx_rx_clean(struct ql3_adapter *qdev,
1921 int *tx_cleaned, int *rx_cleaned, int work_to_do)
1923 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1924 struct net_rsp_iocb *net_rsp;
1925 struct net_device *ndev = qdev->ndev;
1926 unsigned long hw_flags;
1928 /* While there are entries in the completion queue. */
1929 while ((cpu_to_le32(*(qdev->prsp_producer_index)) !=
1930 qdev->rsp_consumer_index) && (*rx_cleaned < work_to_do)) {
1932 net_rsp = qdev->rsp_current;
1933 switch (net_rsp->opcode) {
1935 case OPCODE_OB_MAC_IOCB_FN0:
1936 case OPCODE_OB_MAC_IOCB_FN2:
1937 ql_process_mac_tx_intr(qdev, (struct ob_mac_iocb_rsp *)
1942 case OPCODE_IB_MAC_IOCB:
1943 case OPCODE_IB_3032_MAC_IOCB:
1944 ql_process_mac_rx_intr(qdev, (struct ib_mac_iocb_rsp *)
1949 case OPCODE_IB_IP_IOCB:
1950 case OPCODE_IB_3032_IP_IOCB:
1951 ql_process_macip_rx_intr(qdev, (struct ib_ip_iocb_rsp *)
1957 u32 *tmp = (u32 *) net_rsp;
1959 "%s: Hit default case, not "
1961 " dropping the packet, opcode = "
1963 ndev->name, net_rsp->opcode);
1965 "0x%08lx 0x%08lx 0x%08lx 0x%08lx \n",
1966 (unsigned long int)tmp[0],
1967 (unsigned long int)tmp[1],
1968 (unsigned long int)tmp[2],
1969 (unsigned long int)tmp[3]);
1973 qdev->rsp_consumer_index++;
1975 if (qdev->rsp_consumer_index == NUM_RSP_Q_ENTRIES) {
1976 qdev->rsp_consumer_index = 0;
1977 qdev->rsp_current = qdev->rsp_q_virt_addr;
1979 qdev->rsp_current++;
1983 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
1985 ql_update_lrg_bufq_prod_index(qdev);
1987 if (qdev->small_buf_release_cnt >= 16) {
1988 while (qdev->small_buf_release_cnt >= 16) {
1989 qdev->small_buf_q_producer_index++;
1991 if (qdev->small_buf_q_producer_index ==
1993 qdev->small_buf_q_producer_index = 0;
1994 qdev->small_buf_release_cnt -= 8;
1997 ql_write_common_reg(qdev,
1998 &port_regs->CommonRegs.
1999 rxSmallQProducerIndex,
2000 qdev->small_buf_q_producer_index);
2003 ql_write_common_reg(qdev,
2004 &port_regs->CommonRegs.rspQConsumerIndex,
2005 qdev->rsp_consumer_index);
2006 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
2008 if (unlikely(netif_queue_stopped(qdev->ndev))) {
2009 if (netif_queue_stopped(qdev->ndev) &&
2010 (atomic_read(&qdev->tx_count) > (NUM_REQ_Q_ENTRIES / 4)))
2011 netif_wake_queue(qdev->ndev);
2014 return *tx_cleaned + *rx_cleaned;
2017 static int ql_poll(struct net_device *ndev, int *budget)
2019 struct ql3_adapter *qdev = netdev_priv(ndev);
2020 int work_to_do = min(*budget, ndev->quota);
2021 int rx_cleaned = 0, tx_cleaned = 0;
2023 if (!netif_carrier_ok(ndev))
2026 ql_tx_rx_clean(qdev, &tx_cleaned, &rx_cleaned, work_to_do);
2027 *budget -= rx_cleaned;
2028 ndev->quota -= rx_cleaned;
2030 if ((!tx_cleaned && !rx_cleaned) || !netif_running(ndev)) {
2032 netif_rx_complete(ndev);
2033 ql_enable_interrupts(qdev);
2039 static irqreturn_t ql3xxx_isr(int irq, void *dev_id)
2042 struct net_device *ndev = dev_id;
2043 struct ql3_adapter *qdev = netdev_priv(ndev);
2044 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2049 port_regs = qdev->mem_map_registers;
2052 ql_read_common_reg_l(qdev, &port_regs->CommonRegs.ispControlStatus);
2054 if (value & (ISP_CONTROL_FE | ISP_CONTROL_RI)) {
2055 spin_lock(&qdev->adapter_lock);
2056 netif_stop_queue(qdev->ndev);
2057 netif_carrier_off(qdev->ndev);
2058 ql_disable_interrupts(qdev);
2059 qdev->port_link_state = LS_DOWN;
2060 set_bit(QL_RESET_ACTIVE,&qdev->flags) ;
2062 if (value & ISP_CONTROL_FE) {
2067 ql_read_page0_reg_l(qdev,
2068 &port_regs->PortFatalErrStatus);
2069 printk(KERN_WARNING PFX
2070 "%s: Resetting chip. PortFatalErrStatus "
2071 "register = 0x%x\n", ndev->name, var);
2072 set_bit(QL_RESET_START,&qdev->flags) ;
2075 * Soft Reset Requested.
2077 set_bit(QL_RESET_PER_SCSI,&qdev->flags) ;
2079 "%s: Another function issued a reset to the "
2080 "chip. ISR value = %x.\n", ndev->name, value);
2082 queue_delayed_work(qdev->workqueue, &qdev->reset_work, 0);
2083 spin_unlock(&qdev->adapter_lock);
2084 } else if (value & ISP_IMR_DISABLE_CMPL_INT) {
2085 ql_disable_interrupts(qdev);
2086 if (likely(netif_rx_schedule_prep(ndev)))
2087 __netif_rx_schedule(ndev);
2089 ql_enable_interrupts(qdev);
2094 return IRQ_RETVAL(handled);
2098 * Get the total number of segments needed for the
2099 * given number of fragments. This is necessary because
2100 * outbound address lists (OAL) will be used when more than
2101 * two frags are given. Each address list has 5 addr/len
2102 * pairs. The 5th pair in each AOL is used to point to
2103 * the next AOL if more frags are coming.
2104 * That is why the frags:segment count ratio is not linear.
2106 static int ql_get_seg_count(unsigned short frags)
2109 case 0: return 1; /* just the skb->data seg */
2110 case 1: return 2; /* skb->data + 1 frag */
2111 case 2: return 3; /* skb->data + 2 frags */
2112 case 3: return 5; /* skb->data + 1 frag + 1 AOL containting 2 frags */
2132 static void ql_hw_csum_setup(struct sk_buff *skb,
2133 struct ob_mac_iocb_req *mac_iocb_ptr)
2136 struct iphdr *ip = NULL;
2137 u8 offset = ETH_HLEN;
2139 eth = (struct ethhdr *)(skb->data);
2141 if (eth->h_proto == __constant_htons(ETH_P_IP)) {
2142 ip = (struct iphdr *)&skb->data[ETH_HLEN];
2143 } else if (eth->h_proto == htons(ETH_P_8021Q) &&
2144 ((struct vlan_ethhdr *)skb->data)->
2145 h_vlan_encapsulated_proto == __constant_htons(ETH_P_IP)) {
2146 ip = (struct iphdr *)&skb->data[VLAN_ETH_HLEN];
2147 offset = VLAN_ETH_HLEN;
2151 if (ip->protocol == IPPROTO_TCP) {
2152 mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_TC;
2153 mac_iocb_ptr->ip_hdr_off = offset;
2154 mac_iocb_ptr->ip_hdr_len = ip->ihl;
2155 } else if (ip->protocol == IPPROTO_UDP) {
2156 mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_UC;
2157 mac_iocb_ptr->ip_hdr_off = offset;
2158 mac_iocb_ptr->ip_hdr_len = ip->ihl;
2164 * The difference between 3022 and 3032 sends:
2165 * 3022 only supports a simple single segment transmission.
2166 * 3032 supports checksumming and scatter/gather lists (fragments).
2167 * The 3032 supports sglists by using the 3 addr/len pairs (ALP)
2168 * in the IOCB plus a chain of outbound address lists (OAL) that
2169 * each contain 5 ALPs. The last ALP of the IOCB (3rd) or OAL (5th)
2170 * will used to point to an OAL when more ALP entries are required.
2171 * The IOCB is always the top of the chain followed by one or more
2172 * OALs (when necessary).
2174 static int ql3xxx_send(struct sk_buff *skb, struct net_device *ndev)
2176 struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
2177 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2178 struct ql_tx_buf_cb *tx_cb;
2179 u32 tot_len = skb->len;
2181 struct oal_entry *oal_entry;
2183 struct ob_mac_iocb_req *mac_iocb_ptr;
2185 int seg_cnt, seg = 0;
2186 int frag_cnt = (int)skb_shinfo(skb)->nr_frags;
2188 if (unlikely(atomic_read(&qdev->tx_count) < 2)) {
2189 if (!netif_queue_stopped(ndev))
2190 netif_stop_queue(ndev);
2191 return NETDEV_TX_BUSY;
2193 tx_cb = &qdev->tx_buf[qdev->req_producer_index] ;
2194 seg_cnt = tx_cb->seg_count = ql_get_seg_count((skb_shinfo(skb)->nr_frags));
2196 printk(KERN_ERR PFX"%s: invalid segment count!\n",__func__);
2197 return NETDEV_TX_OK;
2200 mac_iocb_ptr = tx_cb->queue_entry;
2201 mac_iocb_ptr->opcode = qdev->mac_ob_opcode;
2202 mac_iocb_ptr->flags |= qdev->mb_bit_mask;
2203 mac_iocb_ptr->transaction_id = qdev->req_producer_index;
2204 mac_iocb_ptr->data_len = cpu_to_le16((u16) tot_len);
2206 if (skb->ip_summed == CHECKSUM_PARTIAL)
2207 ql_hw_csum_setup(skb, mac_iocb_ptr);
2208 len = skb_headlen(skb);
2209 map = pci_map_single(qdev->pdev, skb->data, len, PCI_DMA_TODEVICE);
2210 oal_entry = (struct oal_entry *)&mac_iocb_ptr->buf_addr0_low;
2211 oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2212 oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2213 oal_entry->len = cpu_to_le32(len);
2214 pci_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
2215 pci_unmap_len_set(&tx_cb->map[seg], maplen, len);
2218 if (!skb_shinfo(skb)->nr_frags) {
2219 /* Terminate the last segment. */
2221 cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY);
2225 for (i=0; i<frag_cnt; i++,seg++) {
2226 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
2228 if ((seg == 2 && seg_cnt > 3) || /* Check for continuation */
2229 (seg == 7 && seg_cnt > 8) || /* requirements. It's strange */
2230 (seg == 12 && seg_cnt > 13) || /* but necessary. */
2231 (seg == 17 && seg_cnt > 18)) {
2232 /* Continuation entry points to outbound address list. */
2233 map = pci_map_single(qdev->pdev, oal,
2236 oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2237 oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2239 cpu_to_le32(sizeof(struct oal) |
2241 pci_unmap_addr_set(&tx_cb->map[seg], mapaddr,
2243 pci_unmap_len_set(&tx_cb->map[seg], maplen,
2245 oal_entry = (struct oal_entry *)oal;
2251 pci_map_page(qdev->pdev, frag->page,
2252 frag->page_offset, frag->size,
2254 oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
2255 oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
2256 oal_entry->len = cpu_to_le32(frag->size);
2257 pci_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
2258 pci_unmap_len_set(&tx_cb->map[seg], maplen,
2261 /* Terminate the last segment. */
2263 cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY);
2266 qdev->req_producer_index++;
2267 if (qdev->req_producer_index == NUM_REQ_Q_ENTRIES)
2268 qdev->req_producer_index = 0;
2270 ql_write_common_reg_l(qdev,
2271 &port_regs->CommonRegs.reqQProducerIndex,
2272 qdev->req_producer_index);
2274 ndev->trans_start = jiffies;
2275 if (netif_msg_tx_queued(qdev))
2276 printk(KERN_DEBUG PFX "%s: tx queued, slot %d, len %d\n",
2277 ndev->name, qdev->req_producer_index, skb->len);
2279 atomic_dec(&qdev->tx_count);
2280 return NETDEV_TX_OK;
2283 static int ql_alloc_net_req_rsp_queues(struct ql3_adapter *qdev)
2286 (u32) (NUM_REQ_Q_ENTRIES * sizeof(struct ob_mac_iocb_req));
2288 qdev->req_q_virt_addr =
2289 pci_alloc_consistent(qdev->pdev,
2290 (size_t) qdev->req_q_size,
2291 &qdev->req_q_phy_addr);
2293 if ((qdev->req_q_virt_addr == NULL) ||
2294 LS_64BITS(qdev->req_q_phy_addr) & (qdev->req_q_size - 1)) {
2295 printk(KERN_ERR PFX "%s: reqQ failed.\n",
2300 qdev->rsp_q_size = NUM_RSP_Q_ENTRIES * sizeof(struct net_rsp_iocb);
2302 qdev->rsp_q_virt_addr =
2303 pci_alloc_consistent(qdev->pdev,
2304 (size_t) qdev->rsp_q_size,
2305 &qdev->rsp_q_phy_addr);
2307 if ((qdev->rsp_q_virt_addr == NULL) ||
2308 LS_64BITS(qdev->rsp_q_phy_addr) & (qdev->rsp_q_size - 1)) {
2310 "%s: rspQ allocation failed\n",
2312 pci_free_consistent(qdev->pdev, (size_t) qdev->req_q_size,
2313 qdev->req_q_virt_addr,
2314 qdev->req_q_phy_addr);
2318 set_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags);
2323 static void ql_free_net_req_rsp_queues(struct ql3_adapter *qdev)
2325 if (!test_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags)) {
2326 printk(KERN_INFO PFX
2327 "%s: Already done.\n", qdev->ndev->name);
2331 pci_free_consistent(qdev->pdev,
2333 qdev->req_q_virt_addr, qdev->req_q_phy_addr);
2335 qdev->req_q_virt_addr = NULL;
2337 pci_free_consistent(qdev->pdev,
2339 qdev->rsp_q_virt_addr, qdev->rsp_q_phy_addr);
2341 qdev->rsp_q_virt_addr = NULL;
2343 clear_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags);
2346 static int ql_alloc_buffer_queues(struct ql3_adapter *qdev)
2348 /* Create Large Buffer Queue */
2349 qdev->lrg_buf_q_size =
2350 qdev->num_lbufq_entries * sizeof(struct lrg_buf_q_entry);
2351 if (qdev->lrg_buf_q_size < PAGE_SIZE)
2352 qdev->lrg_buf_q_alloc_size = PAGE_SIZE;
2354 qdev->lrg_buf_q_alloc_size = qdev->lrg_buf_q_size * 2;
2356 qdev->lrg_buf = kmalloc(qdev->num_large_buffers * sizeof(struct ql_rcv_buf_cb),GFP_KERNEL);
2357 if (qdev->lrg_buf == NULL) {
2359 "%s: qdev->lrg_buf alloc failed.\n", qdev->ndev->name);
2363 qdev->lrg_buf_q_alloc_virt_addr =
2364 pci_alloc_consistent(qdev->pdev,
2365 qdev->lrg_buf_q_alloc_size,
2366 &qdev->lrg_buf_q_alloc_phy_addr);
2368 if (qdev->lrg_buf_q_alloc_virt_addr == NULL) {
2370 "%s: lBufQ failed\n", qdev->ndev->name);
2373 qdev->lrg_buf_q_virt_addr = qdev->lrg_buf_q_alloc_virt_addr;
2374 qdev->lrg_buf_q_phy_addr = qdev->lrg_buf_q_alloc_phy_addr;
2376 /* Create Small Buffer Queue */
2377 qdev->small_buf_q_size =
2378 NUM_SBUFQ_ENTRIES * sizeof(struct lrg_buf_q_entry);
2379 if (qdev->small_buf_q_size < PAGE_SIZE)
2380 qdev->small_buf_q_alloc_size = PAGE_SIZE;
2382 qdev->small_buf_q_alloc_size = qdev->small_buf_q_size * 2;
2384 qdev->small_buf_q_alloc_virt_addr =
2385 pci_alloc_consistent(qdev->pdev,
2386 qdev->small_buf_q_alloc_size,
2387 &qdev->small_buf_q_alloc_phy_addr);
2389 if (qdev->small_buf_q_alloc_virt_addr == NULL) {
2391 "%s: Small Buffer Queue allocation failed.\n",
2393 pci_free_consistent(qdev->pdev, qdev->lrg_buf_q_alloc_size,
2394 qdev->lrg_buf_q_alloc_virt_addr,
2395 qdev->lrg_buf_q_alloc_phy_addr);
2399 qdev->small_buf_q_virt_addr = qdev->small_buf_q_alloc_virt_addr;
2400 qdev->small_buf_q_phy_addr = qdev->small_buf_q_alloc_phy_addr;
2401 set_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags);
2405 static void ql_free_buffer_queues(struct ql3_adapter *qdev)
2407 if (!test_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags)) {
2408 printk(KERN_INFO PFX
2409 "%s: Already done.\n", qdev->ndev->name);
2412 if(qdev->lrg_buf) kfree(qdev->lrg_buf);
2414 pci_free_consistent(qdev->pdev,
2415 qdev->lrg_buf_q_alloc_size,
2416 qdev->lrg_buf_q_alloc_virt_addr,
2417 qdev->lrg_buf_q_alloc_phy_addr);
2419 qdev->lrg_buf_q_virt_addr = NULL;
2421 pci_free_consistent(qdev->pdev,
2422 qdev->small_buf_q_alloc_size,
2423 qdev->small_buf_q_alloc_virt_addr,
2424 qdev->small_buf_q_alloc_phy_addr);
2426 qdev->small_buf_q_virt_addr = NULL;
2428 clear_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags);
2431 static int ql_alloc_small_buffers(struct ql3_adapter *qdev)
2434 struct bufq_addr_element *small_buf_q_entry;
2436 /* Currently we allocate on one of memory and use it for smallbuffers */
2437 qdev->small_buf_total_size =
2438 (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES *
2439 QL_SMALL_BUFFER_SIZE);
2441 qdev->small_buf_virt_addr =
2442 pci_alloc_consistent(qdev->pdev,
2443 qdev->small_buf_total_size,
2444 &qdev->small_buf_phy_addr);
2446 if (qdev->small_buf_virt_addr == NULL) {
2448 "%s: Failed to get small buffer memory.\n",
2453 qdev->small_buf_phy_addr_low = LS_64BITS(qdev->small_buf_phy_addr);
2454 qdev->small_buf_phy_addr_high = MS_64BITS(qdev->small_buf_phy_addr);
2456 small_buf_q_entry = qdev->small_buf_q_virt_addr;
2458 qdev->last_rsp_offset = qdev->small_buf_phy_addr_low;
2460 /* Initialize the small buffer queue. */
2461 for (i = 0; i < (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES); i++) {
2462 small_buf_q_entry->addr_high =
2463 cpu_to_le32(qdev->small_buf_phy_addr_high);
2464 small_buf_q_entry->addr_low =
2465 cpu_to_le32(qdev->small_buf_phy_addr_low +
2466 (i * QL_SMALL_BUFFER_SIZE));
2467 small_buf_q_entry++;
2469 qdev->small_buf_index = 0;
2470 set_bit(QL_ALLOC_SMALL_BUF_DONE,&qdev->flags);
2474 static void ql_free_small_buffers(struct ql3_adapter *qdev)
2476 if (!test_bit(QL_ALLOC_SMALL_BUF_DONE,&qdev->flags)) {
2477 printk(KERN_INFO PFX
2478 "%s: Already done.\n", qdev->ndev->name);
2481 if (qdev->small_buf_virt_addr != NULL) {
2482 pci_free_consistent(qdev->pdev,
2483 qdev->small_buf_total_size,
2484 qdev->small_buf_virt_addr,
2485 qdev->small_buf_phy_addr);
2487 qdev->small_buf_virt_addr = NULL;
2491 static void ql_free_large_buffers(struct ql3_adapter *qdev)
2494 struct ql_rcv_buf_cb *lrg_buf_cb;
2496 for (i = 0; i < qdev->num_large_buffers; i++) {
2497 lrg_buf_cb = &qdev->lrg_buf[i];
2498 if (lrg_buf_cb->skb) {
2499 dev_kfree_skb(lrg_buf_cb->skb);
2500 pci_unmap_single(qdev->pdev,
2501 pci_unmap_addr(lrg_buf_cb, mapaddr),
2502 pci_unmap_len(lrg_buf_cb, maplen),
2503 PCI_DMA_FROMDEVICE);
2504 memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb));
2511 static void ql_init_large_buffers(struct ql3_adapter *qdev)
2514 struct ql_rcv_buf_cb *lrg_buf_cb;
2515 struct bufq_addr_element *buf_addr_ele = qdev->lrg_buf_q_virt_addr;
2517 for (i = 0; i < qdev->num_large_buffers; i++) {
2518 lrg_buf_cb = &qdev->lrg_buf[i];
2519 buf_addr_ele->addr_high = lrg_buf_cb->buf_phy_addr_high;
2520 buf_addr_ele->addr_low = lrg_buf_cb->buf_phy_addr_low;
2523 qdev->lrg_buf_index = 0;
2524 qdev->lrg_buf_skb_check = 0;
2527 static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
2530 struct ql_rcv_buf_cb *lrg_buf_cb;
2531 struct sk_buff *skb;
2534 for (i = 0; i < qdev->num_large_buffers; i++) {
2535 skb = netdev_alloc_skb(qdev->ndev,
2536 qdev->lrg_buffer_len);
2537 if (unlikely(!skb)) {
2538 /* Better luck next round */
2540 "%s: large buff alloc failed, "
2541 "for %d bytes at index %d.\n",
2543 qdev->lrg_buffer_len * 2, i);
2544 ql_free_large_buffers(qdev);
2548 lrg_buf_cb = &qdev->lrg_buf[i];
2549 memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb));
2550 lrg_buf_cb->index = i;
2551 lrg_buf_cb->skb = skb;
2553 * We save some space to copy the ethhdr from first
2556 skb_reserve(skb, QL_HEADER_SPACE);
2557 map = pci_map_single(qdev->pdev,
2559 qdev->lrg_buffer_len -
2561 PCI_DMA_FROMDEVICE);
2562 pci_unmap_addr_set(lrg_buf_cb, mapaddr, map);
2563 pci_unmap_len_set(lrg_buf_cb, maplen,
2564 qdev->lrg_buffer_len -
2566 lrg_buf_cb->buf_phy_addr_low =
2567 cpu_to_le32(LS_64BITS(map));
2568 lrg_buf_cb->buf_phy_addr_high =
2569 cpu_to_le32(MS_64BITS(map));
2575 static void ql_free_send_free_list(struct ql3_adapter *qdev)
2577 struct ql_tx_buf_cb *tx_cb;
2580 tx_cb = &qdev->tx_buf[0];
2581 for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
2590 static int ql_create_send_free_list(struct ql3_adapter *qdev)
2592 struct ql_tx_buf_cb *tx_cb;
2594 struct ob_mac_iocb_req *req_q_curr =
2595 qdev->req_q_virt_addr;
2597 /* Create free list of transmit buffers */
2598 for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
2600 tx_cb = &qdev->tx_buf[i];
2602 tx_cb->queue_entry = req_q_curr;
2604 tx_cb->oal = kmalloc(512, GFP_KERNEL);
2605 if (tx_cb->oal == NULL)
2611 static int ql_alloc_mem_resources(struct ql3_adapter *qdev)
2613 if (qdev->ndev->mtu == NORMAL_MTU_SIZE) {
2614 qdev->num_lbufq_entries = NUM_LBUFQ_ENTRIES;
2615 qdev->lrg_buffer_len = NORMAL_MTU_SIZE;
2617 else if (qdev->ndev->mtu == JUMBO_MTU_SIZE) {
2619 * Bigger buffers, so less of them.
2621 qdev->num_lbufq_entries = JUMBO_NUM_LBUFQ_ENTRIES;
2622 qdev->lrg_buffer_len = JUMBO_MTU_SIZE;
2625 "%s: Invalid mtu size. Only 1500 and 9000 are accepted.\n",
2629 qdev->num_large_buffers = qdev->num_lbufq_entries * QL_ADDR_ELE_PER_BUFQ_ENTRY;
2630 qdev->lrg_buffer_len += VLAN_ETH_HLEN + VLAN_ID_LEN + QL_HEADER_SPACE;
2631 qdev->max_frame_size =
2632 (qdev->lrg_buffer_len - QL_HEADER_SPACE) + ETHERNET_CRC_SIZE;
2635 * First allocate a page of shared memory and use it for shadow
2636 * locations of Network Request Queue Consumer Address Register and
2637 * Network Completion Queue Producer Index Register
2639 qdev->shadow_reg_virt_addr =
2640 pci_alloc_consistent(qdev->pdev,
2641 PAGE_SIZE, &qdev->shadow_reg_phy_addr);
2643 if (qdev->shadow_reg_virt_addr != NULL) {
2644 qdev->preq_consumer_index = (u16 *) qdev->shadow_reg_virt_addr;
2645 qdev->req_consumer_index_phy_addr_high =
2646 MS_64BITS(qdev->shadow_reg_phy_addr);
2647 qdev->req_consumer_index_phy_addr_low =
2648 LS_64BITS(qdev->shadow_reg_phy_addr);
2650 qdev->prsp_producer_index =
2651 (u32 *) (((u8 *) qdev->preq_consumer_index) + 8);
2652 qdev->rsp_producer_index_phy_addr_high =
2653 qdev->req_consumer_index_phy_addr_high;
2654 qdev->rsp_producer_index_phy_addr_low =
2655 qdev->req_consumer_index_phy_addr_low + 8;
2658 "%s: shadowReg Alloc failed.\n", qdev->ndev->name);
2662 if (ql_alloc_net_req_rsp_queues(qdev) != 0) {
2664 "%s: ql_alloc_net_req_rsp_queues failed.\n",
2669 if (ql_alloc_buffer_queues(qdev) != 0) {
2671 "%s: ql_alloc_buffer_queues failed.\n",
2673 goto err_buffer_queues;
2676 if (ql_alloc_small_buffers(qdev) != 0) {
2678 "%s: ql_alloc_small_buffers failed\n", qdev->ndev->name);
2679 goto err_small_buffers;
2682 if (ql_alloc_large_buffers(qdev) != 0) {
2684 "%s: ql_alloc_large_buffers failed\n", qdev->ndev->name);
2685 goto err_small_buffers;
2688 /* Initialize the large buffer queue. */
2689 ql_init_large_buffers(qdev);
2690 if (ql_create_send_free_list(qdev))
2693 qdev->rsp_current = qdev->rsp_q_virt_addr;
2697 ql_free_send_free_list(qdev);
2699 ql_free_buffer_queues(qdev);
2701 ql_free_net_req_rsp_queues(qdev);
2703 pci_free_consistent(qdev->pdev,
2705 qdev->shadow_reg_virt_addr,
2706 qdev->shadow_reg_phy_addr);
2711 static void ql_free_mem_resources(struct ql3_adapter *qdev)
2713 ql_free_send_free_list(qdev);
2714 ql_free_large_buffers(qdev);
2715 ql_free_small_buffers(qdev);
2716 ql_free_buffer_queues(qdev);
2717 ql_free_net_req_rsp_queues(qdev);
2718 if (qdev->shadow_reg_virt_addr != NULL) {
2719 pci_free_consistent(qdev->pdev,
2721 qdev->shadow_reg_virt_addr,
2722 qdev->shadow_reg_phy_addr);
2723 qdev->shadow_reg_virt_addr = NULL;
2727 static int ql_init_misc_registers(struct ql3_adapter *qdev)
2729 struct ql3xxx_local_ram_registers __iomem *local_ram =
2730 (void __iomem *)qdev->mem_map_registers;
2732 if(ql_sem_spinlock(qdev, QL_DDR_RAM_SEM_MASK,
2733 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
2737 ql_write_page2_reg(qdev,
2738 &local_ram->bufletSize, qdev->nvram_data.bufletSize);
2740 ql_write_page2_reg(qdev,
2741 &local_ram->maxBufletCount,
2742 qdev->nvram_data.bufletCount);
2744 ql_write_page2_reg(qdev,
2745 &local_ram->freeBufletThresholdLow,
2746 (qdev->nvram_data.tcpWindowThreshold25 << 16) |
2747 (qdev->nvram_data.tcpWindowThreshold0));
2749 ql_write_page2_reg(qdev,
2750 &local_ram->freeBufletThresholdHigh,
2751 qdev->nvram_data.tcpWindowThreshold50);
2753 ql_write_page2_reg(qdev,
2754 &local_ram->ipHashTableBase,
2755 (qdev->nvram_data.ipHashTableBaseHi << 16) |
2756 qdev->nvram_data.ipHashTableBaseLo);
2757 ql_write_page2_reg(qdev,
2758 &local_ram->ipHashTableCount,
2759 qdev->nvram_data.ipHashTableSize);
2760 ql_write_page2_reg(qdev,
2761 &local_ram->tcpHashTableBase,
2762 (qdev->nvram_data.tcpHashTableBaseHi << 16) |
2763 qdev->nvram_data.tcpHashTableBaseLo);
2764 ql_write_page2_reg(qdev,
2765 &local_ram->tcpHashTableCount,
2766 qdev->nvram_data.tcpHashTableSize);
2767 ql_write_page2_reg(qdev,
2768 &local_ram->ncbBase,
2769 (qdev->nvram_data.ncbTableBaseHi << 16) |
2770 qdev->nvram_data.ncbTableBaseLo);
2771 ql_write_page2_reg(qdev,
2772 &local_ram->maxNcbCount,
2773 qdev->nvram_data.ncbTableSize);
2774 ql_write_page2_reg(qdev,
2775 &local_ram->drbBase,
2776 (qdev->nvram_data.drbTableBaseHi << 16) |
2777 qdev->nvram_data.drbTableBaseLo);
2778 ql_write_page2_reg(qdev,
2779 &local_ram->maxDrbCount,
2780 qdev->nvram_data.drbTableSize);
2781 ql_sem_unlock(qdev, QL_DDR_RAM_SEM_MASK);
2785 static int ql_adapter_initialize(struct ql3_adapter *qdev)
2788 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
2789 struct ql3xxx_host_memory_registers __iomem *hmem_regs =
2790 (void __iomem *)port_regs;
2794 if(ql_mii_setup(qdev))
2797 /* Bring out PHY out of reset */
2798 ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
2799 (ISP_SERIAL_PORT_IF_WE |
2800 (ISP_SERIAL_PORT_IF_WE << 16)));
2802 qdev->port_link_state = LS_DOWN;
2803 netif_carrier_off(qdev->ndev);
2805 /* V2 chip fix for ARS-39168. */
2806 ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg,
2807 (ISP_SERIAL_PORT_IF_SDE |
2808 (ISP_SERIAL_PORT_IF_SDE << 16)));
2810 /* Request Queue Registers */
2811 *((u32 *) (qdev->preq_consumer_index)) = 0;
2812 atomic_set(&qdev->tx_count,NUM_REQ_Q_ENTRIES);
2813 qdev->req_producer_index = 0;
2815 ql_write_page1_reg(qdev,
2816 &hmem_regs->reqConsumerIndexAddrHigh,
2817 qdev->req_consumer_index_phy_addr_high);
2818 ql_write_page1_reg(qdev,
2819 &hmem_regs->reqConsumerIndexAddrLow,
2820 qdev->req_consumer_index_phy_addr_low);
2822 ql_write_page1_reg(qdev,
2823 &hmem_regs->reqBaseAddrHigh,
2824 MS_64BITS(qdev->req_q_phy_addr));
2825 ql_write_page1_reg(qdev,
2826 &hmem_regs->reqBaseAddrLow,
2827 LS_64BITS(qdev->req_q_phy_addr));
2828 ql_write_page1_reg(qdev, &hmem_regs->reqLength, NUM_REQ_Q_ENTRIES);
2830 /* Response Queue Registers */
2831 *((u16 *) (qdev->prsp_producer_index)) = 0;
2832 qdev->rsp_consumer_index = 0;
2833 qdev->rsp_current = qdev->rsp_q_virt_addr;
2835 ql_write_page1_reg(qdev,
2836 &hmem_regs->rspProducerIndexAddrHigh,
2837 qdev->rsp_producer_index_phy_addr_high);
2839 ql_write_page1_reg(qdev,
2840 &hmem_regs->rspProducerIndexAddrLow,
2841 qdev->rsp_producer_index_phy_addr_low);
2843 ql_write_page1_reg(qdev,
2844 &hmem_regs->rspBaseAddrHigh,
2845 MS_64BITS(qdev->rsp_q_phy_addr));
2847 ql_write_page1_reg(qdev,
2848 &hmem_regs->rspBaseAddrLow,
2849 LS_64BITS(qdev->rsp_q_phy_addr));
2851 ql_write_page1_reg(qdev, &hmem_regs->rspLength, NUM_RSP_Q_ENTRIES);
2853 /* Large Buffer Queue */
2854 ql_write_page1_reg(qdev,
2855 &hmem_regs->rxLargeQBaseAddrHigh,
2856 MS_64BITS(qdev->lrg_buf_q_phy_addr));
2858 ql_write_page1_reg(qdev,
2859 &hmem_regs->rxLargeQBaseAddrLow,
2860 LS_64BITS(qdev->lrg_buf_q_phy_addr));
2862 ql_write_page1_reg(qdev, &hmem_regs->rxLargeQLength, qdev->num_lbufq_entries);
2864 ql_write_page1_reg(qdev,
2865 &hmem_regs->rxLargeBufferLength,
2866 qdev->lrg_buffer_len);
2868 /* Small Buffer Queue */
2869 ql_write_page1_reg(qdev,
2870 &hmem_regs->rxSmallQBaseAddrHigh,
2871 MS_64BITS(qdev->small_buf_q_phy_addr));
2873 ql_write_page1_reg(qdev,
2874 &hmem_regs->rxSmallQBaseAddrLow,
2875 LS_64BITS(qdev->small_buf_q_phy_addr));
2877 ql_write_page1_reg(qdev, &hmem_regs->rxSmallQLength, NUM_SBUFQ_ENTRIES);
2878 ql_write_page1_reg(qdev,
2879 &hmem_regs->rxSmallBufferLength,
2880 QL_SMALL_BUFFER_SIZE);
2882 qdev->small_buf_q_producer_index = NUM_SBUFQ_ENTRIES - 1;
2883 qdev->small_buf_release_cnt = 8;
2884 qdev->lrg_buf_q_producer_index = qdev->num_lbufq_entries - 1;
2885 qdev->lrg_buf_release_cnt = 8;
2886 qdev->lrg_buf_next_free =
2887 (struct bufq_addr_element *)qdev->lrg_buf_q_virt_addr;
2888 qdev->small_buf_index = 0;
2889 qdev->lrg_buf_index = 0;
2890 qdev->lrg_buf_free_count = 0;
2891 qdev->lrg_buf_free_head = NULL;
2892 qdev->lrg_buf_free_tail = NULL;
2894 ql_write_common_reg(qdev,
2895 &port_regs->CommonRegs.
2896 rxSmallQProducerIndex,
2897 qdev->small_buf_q_producer_index);
2898 ql_write_common_reg(qdev,
2899 &port_regs->CommonRegs.
2900 rxLargeQProducerIndex,
2901 qdev->lrg_buf_q_producer_index);
2904 * Find out if the chip has already been initialized. If it has, then
2905 * we skip some of the initialization.
2907 clear_bit(QL_LINK_MASTER, &qdev->flags);
2908 value = ql_read_page0_reg(qdev, &port_regs->portStatus);
2909 if ((value & PORT_STATUS_IC) == 0) {
2911 /* Chip has not been configured yet, so let it rip. */
2912 if(ql_init_misc_registers(qdev)) {
2917 if (qdev->mac_index)
2918 ql_write_page0_reg(qdev,
2919 &port_regs->mac1MaxFrameLengthReg,
2920 qdev->max_frame_size);
2922 ql_write_page0_reg(qdev,
2923 &port_regs->mac0MaxFrameLengthReg,
2924 qdev->max_frame_size);
2926 value = qdev->nvram_data.tcpMaxWindowSize;
2927 ql_write_page0_reg(qdev, &port_regs->tcpMaxWindow, value);
2929 value = (0xFFFF << 16) | qdev->nvram_data.extHwConfig;
2931 if(ql_sem_spinlock(qdev, QL_FLASH_SEM_MASK,
2932 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index)
2937 ql_write_page0_reg(qdev, &port_regs->ExternalHWConfig, value);
2938 ql_write_page0_reg(qdev, &port_regs->InternalChipConfig,
2939 (((INTERNAL_CHIP_SD | INTERNAL_CHIP_WE) <<
2940 16) | (INTERNAL_CHIP_SD |
2941 INTERNAL_CHIP_WE)));
2942 ql_sem_unlock(qdev, QL_FLASH_SEM_MASK);
2946 if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
2947 (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
2953 ql_init_scan_mode(qdev);
2954 ql_get_phy_owner(qdev);
2956 /* Load the MAC Configuration */
2958 /* Program lower 32 bits of the MAC address */
2959 ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
2960 (MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16));
2961 ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
2962 ((qdev->ndev->dev_addr[2] << 24)
2963 | (qdev->ndev->dev_addr[3] << 16)
2964 | (qdev->ndev->dev_addr[4] << 8)
2965 | qdev->ndev->dev_addr[5]));
2967 /* Program top 16 bits of the MAC address */
2968 ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
2969 ((MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16) | 1));
2970 ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
2971 ((qdev->ndev->dev_addr[0] << 8)
2972 | qdev->ndev->dev_addr[1]));
2974 /* Enable Primary MAC */
2975 ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
2976 ((MAC_ADDR_INDIRECT_PTR_REG_PE << 16) |
2977 MAC_ADDR_INDIRECT_PTR_REG_PE));
2979 /* Clear Primary and Secondary IP addresses */
2980 ql_write_page0_reg(qdev, &port_regs->ipAddrIndexReg,
2981 ((IP_ADDR_INDEX_REG_MASK << 16) |
2982 (qdev->mac_index << 2)));
2983 ql_write_page0_reg(qdev, &port_regs->ipAddrDataReg, 0);
2985 ql_write_page0_reg(qdev, &port_regs->ipAddrIndexReg,
2986 ((IP_ADDR_INDEX_REG_MASK << 16) |
2987 ((qdev->mac_index << 2) + 1)));
2988 ql_write_page0_reg(qdev, &port_regs->ipAddrDataReg, 0);
2990 ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
2992 /* Indicate Configuration Complete */
2993 ql_write_page0_reg(qdev,
2994 &port_regs->portControl,
2995 ((PORT_CONTROL_CC << 16) | PORT_CONTROL_CC));
2998 value = ql_read_page0_reg(qdev, &port_regs->portStatus);
2999 if (value & PORT_STATUS_IC)
3006 "%s: Hw Initialization timeout.\n", qdev->ndev->name);
3011 /* Enable Ethernet Function */
3012 if (qdev->device_id == QL3032_DEVICE_ID) {
3014 (QL3032_PORT_CONTROL_EF | QL3032_PORT_CONTROL_KIE |
3015 QL3032_PORT_CONTROL_EIv6 | QL3032_PORT_CONTROL_EIv4);
3016 ql_write_page0_reg(qdev, &port_regs->functionControl,
3017 ((value << 16) | value));
3020 (PORT_CONTROL_EF | PORT_CONTROL_ET | PORT_CONTROL_EI |
3022 ql_write_page0_reg(qdev, &port_regs->portControl,
3023 ((value << 16) | value));
3032 * Caller holds hw_lock.
3034 static int ql_adapter_reset(struct ql3_adapter *qdev)
3036 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3041 set_bit(QL_RESET_ACTIVE, &qdev->flags);
3042 clear_bit(QL_RESET_DONE, &qdev->flags);
3045 * Issue soft reset to chip.
3047 printk(KERN_DEBUG PFX
3048 "%s: Issue soft reset to chip.\n",
3050 ql_write_common_reg(qdev,
3051 &port_regs->CommonRegs.ispControlStatus,
3052 ((ISP_CONTROL_SR << 16) | ISP_CONTROL_SR));
3054 /* Wait 3 seconds for reset to complete. */
3055 printk(KERN_DEBUG PFX
3056 "%s: Wait 10 milliseconds for reset to complete.\n",
3059 /* Wait until the firmware tells us the Soft Reset is done */
3063 ql_read_common_reg(qdev,
3064 &port_regs->CommonRegs.ispControlStatus);
3065 if ((value & ISP_CONTROL_SR) == 0)
3069 } while ((--max_wait_time));
3072 * Also, make sure that the Network Reset Interrupt bit has been
3073 * cleared after the soft reset has taken place.
3076 ql_read_common_reg(qdev, &port_regs->CommonRegs.ispControlStatus);
3077 if (value & ISP_CONTROL_RI) {
3078 printk(KERN_DEBUG PFX
3079 "ql_adapter_reset: clearing RI after reset.\n");
3080 ql_write_common_reg(qdev,
3081 &port_regs->CommonRegs.
3083 ((ISP_CONTROL_RI << 16) | ISP_CONTROL_RI));
3086 if (max_wait_time == 0) {
3087 /* Issue Force Soft Reset */
3088 ql_write_common_reg(qdev,
3089 &port_regs->CommonRegs.
3091 ((ISP_CONTROL_FSR << 16) |
3094 * Wait until the firmware tells us the Force Soft Reset is
3100 ql_read_common_reg(qdev,
3101 &port_regs->CommonRegs.
3103 if ((value & ISP_CONTROL_FSR) == 0) {
3107 } while ((--max_wait_time));
3109 if (max_wait_time == 0)
3112 clear_bit(QL_RESET_ACTIVE, &qdev->flags);
3113 set_bit(QL_RESET_DONE, &qdev->flags);
3117 static void ql_set_mac_info(struct ql3_adapter *qdev)
3119 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3120 u32 value, port_status;
3123 /* Get the function number */
3125 ql_read_common_reg_l(qdev, &port_regs->CommonRegs.ispControlStatus);
3126 func_number = (u8) ((value >> 4) & OPCODE_FUNC_ID_MASK);
3127 port_status = ql_read_page0_reg(qdev, &port_regs->portStatus);
3128 switch (value & ISP_CONTROL_FN_MASK) {
3129 case ISP_CONTROL_FN0_NET:
3130 qdev->mac_index = 0;
3131 qdev->mac_ob_opcode = OUTBOUND_MAC_IOCB | func_number;
3132 qdev->tcp_ob_opcode = OUTBOUND_TCP_IOCB | func_number;
3133 qdev->update_ob_opcode = UPDATE_NCB_IOCB | func_number;
3134 qdev->mb_bit_mask = FN0_MA_BITS_MASK;
3135 qdev->PHYAddr = PORT0_PHY_ADDRESS;
3136 if (port_status & PORT_STATUS_SM0)
3137 set_bit(QL_LINK_OPTICAL,&qdev->flags);
3139 clear_bit(QL_LINK_OPTICAL,&qdev->flags);
3142 case ISP_CONTROL_FN1_NET:
3143 qdev->mac_index = 1;
3144 qdev->mac_ob_opcode = OUTBOUND_MAC_IOCB | func_number;
3145 qdev->tcp_ob_opcode = OUTBOUND_TCP_IOCB | func_number;
3146 qdev->update_ob_opcode = UPDATE_NCB_IOCB | func_number;
3147 qdev->mb_bit_mask = FN1_MA_BITS_MASK;
3148 qdev->PHYAddr = PORT1_PHY_ADDRESS;
3149 if (port_status & PORT_STATUS_SM1)
3150 set_bit(QL_LINK_OPTICAL,&qdev->flags);
3152 clear_bit(QL_LINK_OPTICAL,&qdev->flags);
3155 case ISP_CONTROL_FN0_SCSI:
3156 case ISP_CONTROL_FN1_SCSI:
3158 printk(KERN_DEBUG PFX
3159 "%s: Invalid function number, ispControlStatus = 0x%x\n",
3160 qdev->ndev->name,value);
3163 qdev->numPorts = qdev->nvram_data.numPorts;
3166 static void ql_display_dev_info(struct net_device *ndev)
3168 struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3169 struct pci_dev *pdev = qdev->pdev;
3171 printk(KERN_INFO PFX
3172 "\n%s Adapter %d RevisionID %d found %s on PCI slot %d.\n",
3173 DRV_NAME, qdev->index, qdev->chip_rev_id,
3174 (qdev->device_id == QL3032_DEVICE_ID) ? "QLA3032" : "QLA3022",
3176 printk(KERN_INFO PFX
3178 test_bit(QL_LINK_OPTICAL,&qdev->flags) ? "OPTICAL" : "COPPER");
3181 * Print PCI bus width/type.
3183 printk(KERN_INFO PFX
3184 "Bus interface is %s %s.\n",
3185 ((qdev->pci_width == 64) ? "64-bit" : "32-bit"),
3186 ((qdev->pci_x) ? "PCI-X" : "PCI"));
3188 printk(KERN_INFO PFX
3189 "mem IO base address adjusted = 0x%p\n",
3190 qdev->mem_map_registers);
3191 printk(KERN_INFO PFX "Interrupt number = %d\n", pdev->irq);
3193 if (netif_msg_probe(qdev))
3194 printk(KERN_INFO PFX
3195 "%s: MAC address %02x:%02x:%02x:%02x:%02x:%02x\n",
3196 ndev->name, ndev->dev_addr[0], ndev->dev_addr[1],
3197 ndev->dev_addr[2], ndev->dev_addr[3], ndev->dev_addr[4],
3201 static int ql_adapter_down(struct ql3_adapter *qdev, int do_reset)
3203 struct net_device *ndev = qdev->ndev;
3206 netif_stop_queue(ndev);
3207 netif_carrier_off(ndev);
3209 clear_bit(QL_ADAPTER_UP,&qdev->flags);
3210 clear_bit(QL_LINK_MASTER,&qdev->flags);
3212 ql_disable_interrupts(qdev);
3214 free_irq(qdev->pdev->irq, ndev);
3216 if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) {
3217 printk(KERN_INFO PFX
3218 "%s: calling pci_disable_msi().\n", qdev->ndev->name);
3219 clear_bit(QL_MSI_ENABLED,&qdev->flags);
3220 pci_disable_msi(qdev->pdev);
3223 del_timer_sync(&qdev->adapter_timer);
3225 netif_poll_disable(ndev);
3229 unsigned long hw_flags;
3231 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3232 if (ql_wait_for_drvr_lock(qdev)) {
3233 if ((soft_reset = ql_adapter_reset(qdev))) {
3235 "%s: ql_adapter_reset(%d) FAILED!\n",
3236 ndev->name, qdev->index);
3239 "%s: Releaseing driver lock via chip reset.\n",ndev->name);
3242 "%s: Could not acquire driver lock to do "
3243 "reset!\n", ndev->name);
3246 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3248 ql_free_mem_resources(qdev);
3252 static int ql_adapter_up(struct ql3_adapter *qdev)
3254 struct net_device *ndev = qdev->ndev;
3256 unsigned long irq_flags = IRQF_SAMPLE_RANDOM | IRQF_SHARED;
3257 unsigned long hw_flags;
3259 if (ql_alloc_mem_resources(qdev)) {
3261 "%s Unable to allocate buffers.\n", ndev->name);
3266 if (pci_enable_msi(qdev->pdev)) {
3268 "%s: User requested MSI, but MSI failed to "
3269 "initialize. Continuing without MSI.\n",
3273 printk(KERN_INFO PFX "%s: MSI Enabled...\n", qdev->ndev->name);
3274 set_bit(QL_MSI_ENABLED,&qdev->flags);
3275 irq_flags &= ~IRQF_SHARED;
3279 if ((err = request_irq(qdev->pdev->irq,
3281 irq_flags, ndev->name, ndev))) {
3283 "%s: Failed to reserve interrupt %d already in use.\n",
3284 ndev->name, qdev->pdev->irq);
3288 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3290 if ((err = ql_wait_for_drvr_lock(qdev))) {
3291 if ((err = ql_adapter_initialize(qdev))) {
3293 "%s: Unable to initialize adapter.\n",
3298 "%s: Releaseing driver lock.\n",ndev->name);
3299 ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
3302 "%s: Could not aquire driver lock.\n",
3307 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3309 set_bit(QL_ADAPTER_UP,&qdev->flags);
3311 mod_timer(&qdev->adapter_timer, jiffies + HZ * 1);
3313 netif_poll_enable(ndev);
3314 ql_enable_interrupts(qdev);
3318 ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
3320 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3321 free_irq(qdev->pdev->irq, ndev);
3323 if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) {
3324 printk(KERN_INFO PFX
3325 "%s: calling pci_disable_msi().\n",
3327 clear_bit(QL_MSI_ENABLED,&qdev->flags);
3328 pci_disable_msi(qdev->pdev);
3333 static int ql_cycle_adapter(struct ql3_adapter *qdev, int reset)
3335 if( ql_adapter_down(qdev,reset) || ql_adapter_up(qdev)) {
3337 "%s: Driver up/down cycle failed, "
3338 "closing device\n",qdev->ndev->name);
3339 dev_close(qdev->ndev);
3345 static int ql3xxx_close(struct net_device *ndev)
3347 struct ql3_adapter *qdev = netdev_priv(ndev);
3350 * Wait for device to recover from a reset.
3351 * (Rarely happens, but possible.)
3353 while (!test_bit(QL_ADAPTER_UP,&qdev->flags))
3356 ql_adapter_down(qdev,QL_DO_RESET);
3360 static int ql3xxx_open(struct net_device *ndev)
3362 struct ql3_adapter *qdev = netdev_priv(ndev);
3363 return (ql_adapter_up(qdev));
3366 static struct net_device_stats *ql3xxx_get_stats(struct net_device *dev)
3368 struct ql3_adapter *qdev = (struct ql3_adapter *)dev->priv;
3369 return &qdev->stats;
3372 static void ql3xxx_set_multicast_list(struct net_device *ndev)
3375 * We are manually parsing the list in the net_device structure.
3380 static int ql3xxx_set_mac_address(struct net_device *ndev, void *p)
3382 struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3383 struct ql3xxx_port_registers __iomem *port_regs =
3384 qdev->mem_map_registers;
3385 struct sockaddr *addr = p;
3386 unsigned long hw_flags;
3388 if (netif_running(ndev))
3391 if (!is_valid_ether_addr(addr->sa_data))
3392 return -EADDRNOTAVAIL;
3394 memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len);
3396 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3397 /* Program lower 32 bits of the MAC address */
3398 ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3399 (MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16));
3400 ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3401 ((ndev->dev_addr[2] << 24) | (ndev->
3402 dev_addr[3] << 16) |
3403 (ndev->dev_addr[4] << 8) | ndev->dev_addr[5]));
3405 /* Program top 16 bits of the MAC address */
3406 ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg,
3407 ((MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16) | 1));
3408 ql_write_page0_reg(qdev, &port_regs->macAddrDataReg,
3409 ((ndev->dev_addr[0] << 8) | ndev->dev_addr[1]));
3410 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3415 static void ql3xxx_tx_timeout(struct net_device *ndev)
3417 struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
3419 printk(KERN_ERR PFX "%s: Resetting...\n", ndev->name);
3421 * Stop the queues, we've got a problem.
3423 netif_stop_queue(ndev);
3426 * Wake up the worker to process this event.
3428 queue_delayed_work(qdev->workqueue, &qdev->tx_timeout_work, 0);
3431 static void ql_reset_work(struct work_struct *work)
3433 struct ql3_adapter *qdev =
3434 container_of(work, struct ql3_adapter, reset_work.work);
3435 struct net_device *ndev = qdev->ndev;
3437 struct ql_tx_buf_cb *tx_cb;
3438 int max_wait_time, i;
3439 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3440 unsigned long hw_flags;
3442 if (test_bit((QL_RESET_PER_SCSI | QL_RESET_START),&qdev->flags)) {
3443 clear_bit(QL_LINK_MASTER,&qdev->flags);
3446 * Loop through the active list and return the skb.
3448 for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) {
3450 tx_cb = &qdev->tx_buf[i];
3452 printk(KERN_DEBUG PFX
3453 "%s: Freeing lost SKB.\n",
3455 pci_unmap_single(qdev->pdev,
3456 pci_unmap_addr(&tx_cb->map[0], mapaddr),
3457 pci_unmap_len(&tx_cb->map[0], maplen),
3459 for(j=1;j<tx_cb->seg_count;j++) {
3460 pci_unmap_page(qdev->pdev,
3461 pci_unmap_addr(&tx_cb->map[j],mapaddr),
3462 pci_unmap_len(&tx_cb->map[j],maplen),
3465 dev_kfree_skb(tx_cb->skb);
3471 "%s: Clearing NRI after reset.\n", qdev->ndev->name);
3472 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
3473 ql_write_common_reg(qdev,
3474 &port_regs->CommonRegs.
3476 ((ISP_CONTROL_RI << 16) | ISP_CONTROL_RI));
3478 * Wait the for Soft Reset to Complete.
3482 value = ql_read_common_reg(qdev,
3483 &port_regs->CommonRegs.
3486 if ((value & ISP_CONTROL_SR) == 0) {
3487 printk(KERN_DEBUG PFX
3488 "%s: reset completed.\n",
3493 if (value & ISP_CONTROL_RI) {
3494 printk(KERN_DEBUG PFX
3495 "%s: clearing NRI after reset.\n",
3497 ql_write_common_reg(qdev,
3502 16) | ISP_CONTROL_RI));
3506 } while (--max_wait_time);
3507 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
3509 if (value & ISP_CONTROL_SR) {
3512 * Set the reset flags and clear the board again.
3513 * Nothing else to do...
3516 "%s: Timed out waiting for reset to "
3517 "complete.\n", ndev->name);
3519 "%s: Do a reset.\n", ndev->name);
3520 clear_bit(QL_RESET_PER_SCSI,&qdev->flags);
3521 clear_bit(QL_RESET_START,&qdev->flags);
3522 ql_cycle_adapter(qdev,QL_DO_RESET);
3526 clear_bit(QL_RESET_ACTIVE,&qdev->flags);
3527 clear_bit(QL_RESET_PER_SCSI,&qdev->flags);
3528 clear_bit(QL_RESET_START,&qdev->flags);
3529 ql_cycle_adapter(qdev,QL_NO_RESET);
3533 static void ql_tx_timeout_work(struct work_struct *work)
3535 struct ql3_adapter *qdev =
3536 container_of(work, struct ql3_adapter, tx_timeout_work.work);
3538 ql_cycle_adapter(qdev, QL_DO_RESET);
3541 static void ql_get_board_info(struct ql3_adapter *qdev)
3543 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
3546 value = ql_read_page0_reg_l(qdev, &port_regs->portStatus);
3548 qdev->chip_rev_id = ((value & PORT_STATUS_REV_ID_MASK) >> 12);
3549 if (value & PORT_STATUS_64)
3550 qdev->pci_width = 64;
3552 qdev->pci_width = 32;
3553 if (value & PORT_STATUS_X)
3557 qdev->pci_slot = (u8) PCI_SLOT(qdev->pdev->devfn);
3560 static void ql3xxx_timer(unsigned long ptr)
3562 struct ql3_adapter *qdev = (struct ql3_adapter *)ptr;
3564 if (test_bit(QL_RESET_ACTIVE,&qdev->flags)) {
3565 printk(KERN_DEBUG PFX
3566 "%s: Reset in progress.\n",
3571 ql_link_state_machine(qdev);
3573 /* Restart timer on 2 second interval. */
3575 mod_timer(&qdev->adapter_timer, jiffies + HZ * 1);
3578 static int __devinit ql3xxx_probe(struct pci_dev *pdev,
3579 const struct pci_device_id *pci_entry)
3581 struct net_device *ndev = NULL;
3582 struct ql3_adapter *qdev = NULL;
3583 static int cards_found = 0;
3584 int pci_using_dac, err;
3586 err = pci_enable_device(pdev);
3588 printk(KERN_ERR PFX "%s cannot enable PCI device\n",
3593 err = pci_request_regions(pdev, DRV_NAME);
3595 printk(KERN_ERR PFX "%s cannot obtain PCI resources\n",
3597 goto err_out_disable_pdev;
3600 pci_set_master(pdev);
3602 if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
3604 err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
3605 } else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
3607 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
3611 printk(KERN_ERR PFX "%s no usable DMA configuration\n",
3613 goto err_out_free_regions;
3616 ndev = alloc_etherdev(sizeof(struct ql3_adapter));
3618 printk(KERN_ERR PFX "%s could not alloc etherdev\n",
3621 goto err_out_free_regions;
3624 SET_MODULE_OWNER(ndev);
3625 SET_NETDEV_DEV(ndev, &pdev->dev);
3627 pci_set_drvdata(pdev, ndev);
3629 qdev = netdev_priv(ndev);
3630 qdev->index = cards_found;
3633 qdev->device_id = pci_entry->device;
3634 qdev->port_link_state = LS_DOWN;
3638 qdev->msg_enable = netif_msg_init(debug, default_msg);
3641 ndev->features |= NETIF_F_HIGHDMA;
3642 if (qdev->device_id == QL3032_DEVICE_ID)
3643 ndev->features |= (NETIF_F_HW_CSUM | NETIF_F_SG);
3645 qdev->mem_map_registers =
3646 ioremap_nocache(pci_resource_start(pdev, 1),
3647 pci_resource_len(qdev->pdev, 1));
3648 if (!qdev->mem_map_registers) {
3649 printk(KERN_ERR PFX "%s: cannot map device registers\n",
3652 goto err_out_free_ndev;
3655 spin_lock_init(&qdev->adapter_lock);
3656 spin_lock_init(&qdev->hw_lock);
3658 /* Set driver entry points */
3659 ndev->open = ql3xxx_open;
3660 ndev->hard_start_xmit = ql3xxx_send;
3661 ndev->stop = ql3xxx_close;
3662 ndev->get_stats = ql3xxx_get_stats;
3663 ndev->set_multicast_list = ql3xxx_set_multicast_list;
3664 SET_ETHTOOL_OPS(ndev, &ql3xxx_ethtool_ops);
3665 ndev->set_mac_address = ql3xxx_set_mac_address;
3666 ndev->tx_timeout = ql3xxx_tx_timeout;
3667 ndev->watchdog_timeo = 5 * HZ;
3669 ndev->poll = &ql_poll;
3672 ndev->irq = pdev->irq;
3674 /* make sure the EEPROM is good */
3675 if (ql_get_nvram_params(qdev)) {
3676 printk(KERN_ALERT PFX
3677 "ql3xxx_probe: Adapter #%d, Invalid NVRAM parameters.\n",
3680 goto err_out_iounmap;
3683 ql_set_mac_info(qdev);
3685 /* Validate and set parameters */
3686 if (qdev->mac_index) {
3687 ndev->mtu = qdev->nvram_data.macCfg_port1.etherMtu_mac ;
3688 memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn2.macAddress,
3691 ndev->mtu = qdev->nvram_data.macCfg_port0.etherMtu_mac ;
3692 memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn0.macAddress,
3695 memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len);
3697 ndev->tx_queue_len = NUM_REQ_Q_ENTRIES;
3699 /* Turn off support for multicasting */
3700 ndev->flags &= ~IFF_MULTICAST;
3702 /* Record PCI bus information. */
3703 ql_get_board_info(qdev);
3706 * Set the Maximum Memory Read Byte Count value. We do this to handle
3710 pci_write_config_word(pdev, (int)0x4e, (u16) 0x0036);
3713 err = register_netdev(ndev);
3715 printk(KERN_ERR PFX "%s: cannot register net device\n",
3717 goto err_out_iounmap;
3720 /* we're going to reset, so assume we have no link for now */
3722 netif_carrier_off(ndev);
3723 netif_stop_queue(ndev);
3725 qdev->workqueue = create_singlethread_workqueue(ndev->name);
3726 INIT_DELAYED_WORK(&qdev->reset_work, ql_reset_work);
3727 INIT_DELAYED_WORK(&qdev->tx_timeout_work, ql_tx_timeout_work);
3729 init_timer(&qdev->adapter_timer);
3730 qdev->adapter_timer.function = ql3xxx_timer;
3731 qdev->adapter_timer.expires = jiffies + HZ * 2; /* two second delay */
3732 qdev->adapter_timer.data = (unsigned long)qdev;
3735 printk(KERN_ALERT PFX "%s\n", DRV_STRING);
3736 printk(KERN_ALERT PFX "Driver name: %s, Version: %s.\n",
3737 DRV_NAME, DRV_VERSION);
3739 ql_display_dev_info(ndev);
3745 iounmap(qdev->mem_map_registers);
3748 err_out_free_regions:
3749 pci_release_regions(pdev);
3750 err_out_disable_pdev:
3751 pci_disable_device(pdev);
3752 pci_set_drvdata(pdev, NULL);
3757 static void __devexit ql3xxx_remove(struct pci_dev *pdev)
3759 struct net_device *ndev = pci_get_drvdata(pdev);
3760 struct ql3_adapter *qdev = netdev_priv(ndev);
3762 unregister_netdev(ndev);
3763 qdev = netdev_priv(ndev);
3765 ql_disable_interrupts(qdev);
3767 if (qdev->workqueue) {
3768 cancel_delayed_work(&qdev->reset_work);
3769 cancel_delayed_work(&qdev->tx_timeout_work);
3770 destroy_workqueue(qdev->workqueue);
3771 qdev->workqueue = NULL;
3774 iounmap(qdev->mem_map_registers);
3775 pci_release_regions(pdev);
3776 pci_set_drvdata(pdev, NULL);
3780 static struct pci_driver ql3xxx_driver = {
3783 .id_table = ql3xxx_pci_tbl,
3784 .probe = ql3xxx_probe,
3785 .remove = __devexit_p(ql3xxx_remove),
3788 static int __init ql3xxx_init_module(void)
3790 return pci_register_driver(&ql3xxx_driver);
3793 static void __exit ql3xxx_exit(void)
3795 pci_unregister_driver(&ql3xxx_driver);
3798 module_init(ql3xxx_init_module);
3799 module_exit(ql3xxx_exit);