diff options
Diffstat (limited to 'drivers/net/qla3xxx.c')
| -rw-r--r-- | drivers/net/qla3xxx.c | 3536 |
1 files changed, 3536 insertions, 0 deletions
diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c new file mode 100644 index 000000000000..157471846349 --- /dev/null +++ b/drivers/net/qla3xxx.c @@ -0,0 +1,3536 @@ +/* + * QLogic QLA3xxx NIC HBA Driver + * Copyright (c) 2003-2006 QLogic Corporation + * + * See LICENSE.qla3xxx for copyright and licensing details. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/module.h> +#include <linux/list.h> +#include <linux/pci.h> +#include <linux/dma-mapping.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/dmapool.h> +#include <linux/mempool.h> +#include <linux/spinlock.h> +#include <linux/kthread.h> +#include <linux/interrupt.h> +#include <linux/errno.h> +#include <linux/ioport.h> +#include <linux/ip.h> +#include <linux/if_arp.h> +#include <linux/if_ether.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/ethtool.h> +#include <linux/skbuff.h> +#include <linux/rtnetlink.h> +#include <linux/if_vlan.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/mm.h> + +#include "qla3xxx.h" + +#define DRV_NAME "qla3xxx" +#define DRV_STRING "QLogic ISP3XXX Network Driver" +#define DRV_VERSION "v2.02.00-k36" +#define PFX DRV_NAME " " + +static const char ql3xxx_driver_name[] = DRV_NAME; +static const char ql3xxx_driver_version[] = DRV_VERSION; + +MODULE_AUTHOR("QLogic Corporation"); +MODULE_DESCRIPTION("QLogic ISP3XXX Network Driver " DRV_VERSION " "); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); + +static const u32 default_msg + = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK + | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN; + +static int debug = -1; /* defaults above */ +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); + +static int msi; +module_param(msi, int, 0); +MODULE_PARM_DESC(msi, "Turn on Message Signaled Interrupts."); + +static struct pci_device_id ql3xxx_pci_tbl[] __devinitdata = { + {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QL3022_DEVICE_ID)}, + /* required last entry */ + {0,} +}; + +MODULE_DEVICE_TABLE(pci, ql3xxx_pci_tbl); + +/* + * Caller must take hw_lock. + */ +static int ql_sem_spinlock(struct ql3_adapter *qdev, + u32 sem_mask, u32 sem_bits) +{ + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + u32 value; + unsigned int seconds = 3; + + do { + writel((sem_mask | sem_bits), + &port_regs->CommonRegs.semaphoreReg); + value = readl(&port_regs->CommonRegs.semaphoreReg); + if ((value & (sem_mask >> 16)) == sem_bits) + return 0; + ssleep(1); + } while(--seconds); + return -1; +} + +static void ql_sem_unlock(struct ql3_adapter *qdev, u32 sem_mask) +{ + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + writel(sem_mask, &port_regs->CommonRegs.semaphoreReg); + readl(&port_regs->CommonRegs.semaphoreReg); +} + +static int ql_sem_lock(struct ql3_adapter *qdev, u32 sem_mask, u32 sem_bits) +{ + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + u32 value; + + writel((sem_mask | sem_bits), &port_regs->CommonRegs.semaphoreReg); + value = readl(&port_regs->CommonRegs.semaphoreReg); + return ((value & (sem_mask >> 16)) == sem_bits); +} + +/* + * Caller holds hw_lock. + */ +static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev) +{ + int i = 0; + + while (1) { + if (!ql_sem_lock(qdev, + QL_DRVR_SEM_MASK, + (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) + * 2) << 1)) { + if (i < 10) { + ssleep(1); + i++; + } else { + printk(KERN_ERR PFX "%s: Timed out waiting for " + "driver lock...\n", + qdev->ndev->name); + return 0; + } + } else { + printk(KERN_DEBUG PFX + "%s: driver lock acquired.\n", + qdev->ndev->name); + return 1; + } + } +} + +static void ql_set_register_page(struct ql3_adapter *qdev, u32 page) +{ + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + + writel(((ISP_CONTROL_NP_MASK << 16) | page), + &port_regs->CommonRegs.ispControlStatus); + readl(&port_regs->CommonRegs.ispControlStatus); + qdev->current_page = page; +} + +static u32 ql_read_common_reg_l(struct ql3_adapter *qdev, + u32 __iomem * reg) +{ + u32 value; + unsigned long hw_flags; + + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + value = readl(reg); + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + + return value; +} + +static u32 ql_read_common_reg(struct ql3_adapter *qdev, + u32 __iomem * reg) +{ + return readl(reg); +} + +static u32 ql_read_page0_reg_l(struct ql3_adapter *qdev, u32 __iomem *reg) +{ + u32 value; + unsigned long hw_flags; + + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + + if (qdev->current_page != 0) + ql_set_register_page(qdev,0); + value = readl(reg); + + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + return value; +} + +static u32 ql_read_page0_reg(struct ql3_adapter *qdev, u32 __iomem *reg) +{ + if (qdev->current_page != 0) + ql_set_register_page(qdev,0); + return readl(reg); +} + +static void ql_write_common_reg_l(struct ql3_adapter *qdev, + u32 __iomem *reg, u32 value) +{ + unsigned long hw_flags; + + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + writel(value, reg); + readl(reg); + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + return; +} + +static void ql_write_common_reg(struct ql3_adapter *qdev, + u32 __iomem *reg, u32 value) +{ + writel(value, reg); + readl(reg); + return; +} + +static void ql_write_page0_reg(struct ql3_adapter *qdev, + u32 __iomem *reg, u32 value) +{ + if (qdev->current_page != 0) + ql_set_register_page(qdev,0); + writel(value, reg); + readl(reg); + return; +} + +/* + * Caller holds hw_lock. Only called during init. + */ +static void ql_write_page1_reg(struct ql3_adapter *qdev, + u32 __iomem *reg, u32 value) +{ + if (qdev->current_page != 1) + ql_set_register_page(qdev,1); + writel(value, reg); + readl(reg); + return; +} + +/* + * Caller holds hw_lock. Only called during init. + */ +static void ql_write_page2_reg(struct ql3_adapter *qdev, + u32 __iomem *reg, u32 value) +{ + if (qdev->current_page != 2) + ql_set_register_page(qdev,2); + writel(value, reg); + readl(reg); + return; +} + +static void ql_disable_interrupts(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + + ql_write_common_reg_l(qdev, &port_regs->CommonRegs.ispInterruptMaskReg, + (ISP_IMR_ENABLE_INT << 16)); + +} + +static void ql_enable_interrupts(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + + ql_write_common_reg_l(qdev, &port_regs->CommonRegs.ispInterruptMaskReg, + ((0xff << 16) | ISP_IMR_ENABLE_INT)); + +} + +static void ql_release_to_lrg_buf_free_list(struct ql3_adapter *qdev, + struct ql_rcv_buf_cb *lrg_buf_cb) +{ + u64 map; + lrg_buf_cb->next = NULL; + + if (qdev->lrg_buf_free_tail == NULL) { /* The list is empty */ + qdev->lrg_buf_free_head = qdev->lrg_buf_free_tail = lrg_buf_cb; + } else { + qdev->lrg_buf_free_tail->next = lrg_buf_cb; + qdev->lrg_buf_free_tail = lrg_buf_cb; + } + + if (!lrg_buf_cb->skb) { + lrg_buf_cb->skb = dev_alloc_skb(qdev->lrg_buffer_len); + if (unlikely(!lrg_buf_cb->skb)) { + printk(KERN_ERR PFX "%s: failed dev_alloc_skb().\n", + qdev->ndev->name); + qdev->lrg_buf_skb_check++; + } else { + /* + * We save some space to copy the ethhdr from first + * buffer + */ + skb_reserve(lrg_buf_cb->skb, QL_HEADER_SPACE); + map = pci_map_single(qdev->pdev, + lrg_buf_cb->skb->data, + qdev->lrg_buffer_len - + QL_HEADER_SPACE, + PCI_DMA_FROMDEVICE); + lrg_buf_cb->buf_phy_addr_low = + cpu_to_le32(LS_64BITS(map)); + lrg_buf_cb->buf_phy_addr_high = + cpu_to_le32(MS_64BITS(map)); + pci_unmap_addr_set(lrg_buf_cb, mapaddr, map); + pci_unmap_len_set(lrg_buf_cb, maplen, + qdev->lrg_buffer_len - + QL_HEADER_SPACE); + } + } + + qdev->lrg_buf_free_count++; +} + +static struct ql_rcv_buf_cb *ql_get_from_lrg_buf_free_list(struct ql3_adapter + *qdev) +{ + struct ql_rcv_buf_cb *lrg_buf_cb; + + if ((lrg_buf_cb = qdev->lrg_buf_free_head) != NULL) { + if ((qdev->lrg_buf_free_head = lrg_buf_cb->next) == NULL) + qdev->lrg_buf_free_tail = NULL; + qdev->lrg_buf_free_count--; + } + + return lrg_buf_cb; +} + +static u32 addrBits = EEPROM_NO_ADDR_BITS; +static u32 dataBits = EEPROM_NO_DATA_BITS; + +static void fm93c56a_deselect(struct ql3_adapter *qdev); +static void eeprom_readword(struct ql3_adapter *qdev, u32 eepromAddr, + unsigned short *value); + +/* + * Caller holds hw_lock. + */ +static void fm93c56a_select(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + + qdev->eeprom_cmd_data = AUBURN_EEPROM_CS_1; + ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev->eeprom_cmd_data); + ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg, + ((ISP_NVRAM_MASK << 16) | qdev->eeprom_cmd_data)); +} + +/* + * Caller holds hw_lock. + */ +static void fm93c56a_cmd(struct ql3_adapter *qdev, u32 cmd, u32 eepromAddr) +{ + int i; + u32 mask; + u32 dataBit; + u32 previousBit; + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + + /* Clock in a zero, then do the start bit */ + ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev->eeprom_cmd_data | + AUBURN_EEPROM_DO_1); + ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev-> + eeprom_cmd_data | AUBURN_EEPROM_DO_1 | + AUBURN_EEPROM_CLK_RISE); + ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev-> + eeprom_cmd_data | AUBURN_EEPROM_DO_1 | + AUBURN_EEPROM_CLK_FALL); + + mask = 1 << (FM93C56A_CMD_BITS - 1); + /* Force the previous data bit to be different */ + previousBit = 0xffff; + for (i = 0; i < FM93C56A_CMD_BITS; i++) { + dataBit = + (cmd & mask) ? AUBURN_EEPROM_DO_1 : AUBURN_EEPROM_DO_0; + if (previousBit != dataBit) { + /* + * If the bit changed, then change the DO state to + * match + */ + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev-> + eeprom_cmd_data | dataBit); + previousBit = dataBit; + } + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev-> + eeprom_cmd_data | dataBit | + AUBURN_EEPROM_CLK_RISE); + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev-> + eeprom_cmd_data | dataBit | + AUBURN_EEPROM_CLK_FALL); + cmd = cmd << 1; + } + + mask = 1 << (addrBits - 1); + /* Force the previous data bit to be different */ + previousBit = 0xffff; + for (i = 0; i < addrBits; i++) { + dataBit = + (eepromAddr & mask) ? AUBURN_EEPROM_DO_1 : + AUBURN_EEPROM_DO_0; + if (previousBit != dataBit) { + /* + * If the bit changed, then change the DO state to + * match + */ + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev-> + eeprom_cmd_data | dataBit); + previousBit = dataBit; + } + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev-> + eeprom_cmd_data | dataBit | + AUBURN_EEPROM_CLK_RISE); + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev-> + eeprom_cmd_data | dataBit | + AUBURN_EEPROM_CLK_FALL); + eepromAddr = eepromAddr << 1; + } +} + +/* + * Caller holds hw_lock. + */ +static void fm93c56a_deselect(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + qdev->eeprom_cmd_data = AUBURN_EEPROM_CS_0; + ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev->eeprom_cmd_data); +} + +/* + * Caller holds hw_lock. + */ +static void fm93c56a_datain(struct ql3_adapter *qdev, unsigned short *value) +{ + int i; + u32 data = 0; + u32 dataBit; + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + + /* Read the data bits */ + /* The first bit is a dummy. Clock right over it. */ + for (i = 0; i < dataBits; i++) { + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev->eeprom_cmd_data | + AUBURN_EEPROM_CLK_RISE); + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + serialPortInterfaceReg, + ISP_NVRAM_MASK | qdev->eeprom_cmd_data | + AUBURN_EEPROM_CLK_FALL); + dataBit = + (ql_read_common_reg + (qdev, + &port_regs->CommonRegs. + serialPortInterfaceReg) & AUBURN_EEPROM_DI_1) ? 1 : 0; + data = (data << 1) | dataBit; + } + *value = (u16) data; +} + +/* + * Caller holds hw_lock. + */ +static void eeprom_readword(struct ql3_adapter *qdev, + u32 eepromAddr, unsigned short *value) +{ + fm93c56a_select(qdev); + fm93c56a_cmd(qdev, (int)FM93C56A_READ, eepromAddr); + fm93c56a_datain(qdev, value); + fm93c56a_deselect(qdev); +} + +static void ql_swap_mac_addr(u8 * macAddress) +{ +#ifdef __BIG_ENDIAN + u8 temp; + temp = macAddress[0]; + macAddress[0] = macAddress[1]; + macAddress[1] = temp; + temp = macAddress[2]; + macAddress[2] = macAddress[3]; + macAddress[3] = temp; + temp = macAddress[4]; + macAddress[4] = macAddress[5]; + macAddress[5] = temp; +#endif +} + +static int ql_get_nvram_params(struct ql3_adapter *qdev) +{ + u16 *pEEPROMData; + u16 checksum = 0; + u32 index; + unsigned long hw_flags; + + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + + pEEPROMData = (u16 *) & qdev->nvram_data; + qdev->eeprom_cmd_data = 0; + if(ql_sem_spinlock(qdev, QL_NVRAM_SEM_MASK, + (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) * + 2) << 10)) { + printk(KERN_ERR PFX"%s: Failed ql_sem_spinlock().\n", + __func__); + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + return -1; + } + + for (index = 0; index < EEPROM_SIZE; index++) { + eeprom_readword(qdev, index, pEEPROMData); + checksum += *pEEPROMData; + pEEPROMData++; + } + ql_sem_unlock(qdev, QL_NVRAM_SEM_MASK); + + if (checksum != 0) { + printk(KERN_ERR PFX "%s: checksum should be zero, is %x!!\n", + qdev->ndev->name, checksum); + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + return -1; + } + + /* + * We have a problem with endianness for the MAC addresses + * and the two 8-bit values version, and numPorts. We + * have to swap them on big endian systems. + */ + ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn0.macAddress); + ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn1.macAddress); + ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn2.macAddress); + ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn3.macAddress); + pEEPROMData = (u16 *) & qdev->nvram_data.version; + *pEEPROMData = le16_to_cpu(*pEEPROMData); + + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + return checksum; +} + +static const u32 PHYAddr[2] = { + PORT0_PHY_ADDRESS, PORT1_PHY_ADDRESS +}; + +static int ql_wait_for_mii_ready(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 temp; + int count = 1000; + + while (count) { + temp = ql_read_page0_reg(qdev, &port_regs->macMIIStatusReg); + if (!(temp & MAC_MII_STATUS_BSY)) + return 0; + udelay(10); + count--; + } + return -1; +} + +static void ql_mii_enable_scan_mode(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 scanControl; + + if (qdev->numPorts > 1) { + /* Auto scan will cycle through multiple ports */ + scanControl = MAC_MII_CONTROL_AS | MAC_MII_CONTROL_SC; + } else { + scanControl = MAC_MII_CONTROL_SC; + } + + /* + * Scan register 1 of PHY/PETBI, + * Set up to scan both devices + * The autoscan starts from the first register, completes + * the last one before rolling over to the first + */ + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg, + PHYAddr[0] | MII_SCAN_REGISTER); + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg, + (scanControl) | + ((MAC_MII_CONTROL_SC | MAC_MII_CONTROL_AS) << 16)); +} + +static u8 ql_mii_disable_scan_mode(struct ql3_adapter *qdev) +{ + u8 ret; + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + + /* See if scan mode is enabled before we turn it off */ + if (ql_read_page0_reg(qdev, &port_regs->macMIIMgmtControlReg) & + (MAC_MII_CONTROL_AS | MAC_MII_CONTROL_SC)) { + /* Scan is enabled */ + ret = 1; + } else { + /* Scan is disabled */ + ret = 0; + } + + /* + * When disabling scan mode you must first change the MII register + * address + */ + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg, + PHYAddr[0] | MII_SCAN_REGISTER); + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg, + ((MAC_MII_CONTROL_SC | MAC_MII_CONTROL_AS | + MAC_MII_CONTROL_RC) << 16)); + + return ret; +} + +static int ql_mii_write_reg_ex(struct ql3_adapter *qdev, + u16 regAddr, u16 value, u32 mac_index) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u8 scanWasEnabled; + + scanWasEnabled = ql_mii_disable_scan_mode(qdev); + + if (ql_wait_for_mii_ready(qdev)) { + if (netif_msg_link(qdev)) + printk(KERN_WARNING PFX + "%s Timed out waiting for management port to " + "get free before issuing command.\n", + qdev->ndev->name); + return -1; + } + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg, + PHYAddr[mac_index] | regAddr); + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtDataReg, value); + + /* Wait for write to complete 9/10/04 SJP */ + if (ql_wait_for_mii_ready(qdev)) { + if (netif_msg_link(qdev)) + printk(KERN_WARNING PFX + "%s: Timed out waiting for management port to" + "get free before issuing command.\n", + qdev->ndev->name); + return -1; + } + + if (scanWasEnabled) + ql_mii_enable_scan_mode(qdev); + + return 0; +} + +static int ql_mii_read_reg_ex(struct ql3_adapter *qdev, u16 regAddr, + u16 * value, u32 mac_index) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u8 scanWasEnabled; + u32 temp; + + scanWasEnabled = ql_mii_disable_scan_mode(qdev); + + if (ql_wait_for_mii_ready(qdev)) { + if (netif_msg_link(qdev)) + printk(KERN_WARNING PFX + "%s: Timed out waiting for management port to " + "get free before issuing command.\n", + qdev->ndev->name); + return -1; + } + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg, + PHYAddr[mac_index] | regAddr); + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg, + (MAC_MII_CONTROL_RC << 16)); + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg, + (MAC_MII_CONTROL_RC << 16) | MAC_MII_CONTROL_RC); + + /* Wait for the read to complete */ + if (ql_wait_for_mii_ready(qdev)) { + if (netif_msg_link(qdev)) + printk(KERN_WARNING PFX + "%s: Timed out waiting for management port to " + "get free after issuing command.\n", + qdev->ndev->name); + return -1; + } + + temp = ql_read_page0_reg(qdev, &port_regs->macMIIMgmtDataReg); + *value = (u16) temp; + + if (scanWasEnabled) + ql_mii_enable_scan_mode(qdev); + + return 0; +} + +static int ql_mii_write_reg(struct ql3_adapter *qdev, u16 regAddr, u16 value) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + + ql_mii_disable_scan_mode(qdev); + + if (ql_wait_for_mii_ready(qdev)) { + if (netif_msg_link(qdev)) + printk(KERN_WARNING PFX + "%s: Timed out waiting for management port to " + "get free before issuing command.\n", + qdev->ndev->name); + return -1; + } + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg, + qdev->PHYAddr | regAddr); + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtDataReg, value); + + /* Wait for write to complete. */ + if (ql_wait_for_mii_ready(qdev)) { + if (netif_msg_link(qdev)) + printk(KERN_WARNING PFX + "%s: Timed out waiting for management port to " + "get free before issuing command.\n", + qdev->ndev->name); + return -1; + } + + ql_mii_enable_scan_mode(qdev); + + return 0; +} + +static int ql_mii_read_reg(struct ql3_adapter *qdev, u16 regAddr, u16 *value) +{ + u32 temp; + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + + ql_mii_disable_scan_mode(qdev); + + if (ql_wait_for_mii_ready(qdev)) { + if (netif_msg_link(qdev)) + printk(KERN_WARNING PFX + "%s: Timed out waiting for management port to " + "get free before issuing command.\n", + qdev->ndev->name); + return -1; + } + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg, + qdev->PHYAddr | regAddr); + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg, + (MAC_MII_CONTROL_RC << 16)); + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg, + (MAC_MII_CONTROL_RC << 16) | MAC_MII_CONTROL_RC); + + /* Wait for the read to complete */ + if (ql_wait_for_mii_ready(qdev)) { + if (netif_msg_link(qdev)) + printk(KERN_WARNING PFX + "%s: Timed out waiting for management port to " + "get free before issuing command.\n", + qdev->ndev->name); + return -1; + } + + temp = ql_read_page0_reg(qdev, &port_regs->macMIIMgmtDataReg); + *value = (u16) temp; + + ql_mii_enable_scan_mode(qdev); + + return 0; +} + +static void ql_petbi_reset(struct ql3_adapter *qdev) +{ + ql_mii_write_reg(qdev, PETBI_CONTROL_REG, PETBI_CTRL_SOFT_RESET); +} + +static void ql_petbi_start_neg(struct ql3_adapter *qdev) +{ + u16 reg; + + /* Enable Auto-negotiation sense */ + ql_mii_read_reg(qdev, PETBI_TBI_CTRL, ®); + reg |= PETBI_TBI_AUTO_SENSE; + ql_mii_write_reg(qdev, PETBI_TBI_CTRL, reg); + + ql_mii_write_reg(qdev, PETBI_NEG_ADVER, + PETBI_NEG_PAUSE | PETBI_NEG_DUPLEX); + + ql_mii_write_reg(qdev, PETBI_CONTROL_REG, + PETBI_CTRL_AUTO_NEG | PETBI_CTRL_RESTART_NEG | + PETBI_CTRL_FULL_DUPLEX | PETBI_CTRL_SPEED_1000); + +} + +static void ql_petbi_reset_ex(struct ql3_adapter *qdev, u32 mac_index) +{ + ql_mii_write_reg_ex(qdev, PETBI_CONTROL_REG, PETBI_CTRL_SOFT_RESET, + mac_index); +} + +static void ql_petbi_start_neg_ex(struct ql3_adapter *qdev, u32 mac_index) +{ + u16 reg; + + /* Enable Auto-negotiation sense */ + ql_mii_read_reg_ex(qdev, PETBI_TBI_CTRL, ®, mac_index); + reg |= PETBI_TBI_AUTO_SENSE; + ql_mii_write_reg_ex(qdev, PETBI_TBI_CTRL, reg, mac_index); + + ql_mii_write_reg_ex(qdev, PETBI_NEG_ADVER, + PETBI_NEG_PAUSE | PETBI_NEG_DUPLEX, mac_index); + + ql_mii_write_reg_ex(qdev, PETBI_CONTROL_REG, + PETBI_CTRL_AUTO_NEG | PETBI_CTRL_RESTART_NEG | + PETBI_CTRL_FULL_DUPLEX | PETBI_CTRL_SPEED_1000, + mac_index); +} + +static void ql_petbi_init(struct ql3_adapter *qdev) +{ + ql_petbi_reset(qdev); + ql_petbi_start_neg(qdev); +} + +static void ql_petbi_init_ex(struct ql3_adapter *qdev, u32 mac_index) +{ + ql_petbi_reset_ex(qdev, mac_index); + ql_petbi_start_neg_ex(qdev, mac_index); +} + +static int ql_is_petbi_neg_pause(struct ql3_adapter *qdev) +{ + u16 reg; + + if (ql_mii_read_reg(qdev, PETBI_NEG_PARTNER, ®) < 0) + return 0; + + return (reg & PETBI_NEG_PAUSE_MASK) == PETBI_NEG_PAUSE; +} + +static int ql_phy_get_speed(struct ql3_adapter *qdev) +{ + u16 reg; + + if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, ®) < 0) + return 0; + + reg = (((reg & 0x18) >> 3) & 3); + + if (reg == 2) + return SPEED_1000; + else if (reg == 1) + return SPEED_100; + else if (reg == 0) + return SPEED_10; + else + return -1; +} + +static int ql_is_full_dup(struct ql3_adapter *qdev) +{ + u16 reg; + + if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, ®) < 0) + return 0; + + return (reg & PHY_AUX_DUPLEX_STAT) != 0; +} + +static int ql_is_phy_neg_pause(struct ql3_adapter *qdev) +{ + u16 reg; + + if (ql_mii_read_reg(qdev, PHY_NEG_PARTNER, ®) < 0) + return 0; + + return (reg & PHY_NEG_PAUSE) != 0; +} + +/* + * Caller holds hw_lock. + */ +static void ql_mac_enable(struct ql3_adapter *qdev, u32 enable) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 value; + + if (enable) + value = (MAC_CONFIG_REG_PE | (MAC_CONFIG_REG_PE << 16)); + else + value = (MAC_CONFIG_REG_PE << 16); + + if (qdev->mac_index) + ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value); + else + ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value); +} + +/* + * Caller holds hw_lock. + */ +static void ql_mac_cfg_soft_reset(struct ql3_adapter *qdev, u32 enable) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 value; + + if (enable) + value = (MAC_CONFIG_REG_SR | (MAC_CONFIG_REG_SR << 16)); + else + value = (MAC_CONFIG_REG_SR << 16); + + if (qdev->mac_index) + ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value); + else + ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value); +} + +/* + * Caller holds hw_lock. + */ +static void ql_mac_cfg_gig(struct ql3_adapter *qdev, u32 enable) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 value; + + if (enable) + value = (MAC_CONFIG_REG_GM | (MAC_CONFIG_REG_GM << 16)); + else + value = (MAC_CONFIG_REG_GM << 16); + + if (qdev->mac_index) + ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value); + else + ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value); +} + +/* + * Caller holds hw_lock. + */ +static void ql_mac_cfg_full_dup(struct ql3_adapter *qdev, u32 enable) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 value; + + if (enable) + value = (MAC_CONFIG_REG_FD | (MAC_CONFIG_REG_FD << 16)); + else + value = (MAC_CONFIG_REG_FD << 16); + + if (qdev->mac_index) + ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value); + else + ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value); +} + +/* + * Caller holds hw_lock. + */ +static void ql_mac_cfg_pause(struct ql3_adapter *qdev, u32 enable) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 value; + + if (enable) + value = + ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) | + ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) << 16)); + else + value = ((MAC_CONFIG_REG_TF | MAC_CONFIG_REG_RF) << 16); + + if (qdev->mac_index) + ql_write_page0_reg(qdev, &port_regs->mac1ConfigReg, value); + else + ql_write_page0_reg(qdev, &port_regs->mac0ConfigReg, value); +} + +/* + * Caller holds hw_lock. + */ +static int ql_is_fiber(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 bitToCheck = 0; + u32 temp; + + switch (qdev->mac_index) { + case 0: + bitToCheck = PORT_STATUS_SM0; + break; + case 1: + bitToCheck = PORT_STATUS_SM1; + break; + } + + temp = ql_read_page0_reg(qdev, &port_regs->portStatus); + return (temp & bitToCheck) != 0; +} + +static int ql_is_auto_cfg(struct ql3_adapter *qdev) +{ + u16 reg; + ql_mii_read_reg(qdev, 0x00, ®); + return (reg & 0x1000) != 0; +} + +/* + * Caller holds hw_lock. + */ +static int ql_is_auto_neg_complete(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 bitToCheck = 0; + u32 temp; + + switch (qdev->mac_index) { + case 0: + bitToCheck = PORT_STATUS_AC0; + break; + case 1: + bitToCheck = PORT_STATUS_AC1; + break; + } + + temp = ql_read_page0_reg(qdev, &port_regs->portStatus); + if (temp & bitToCheck) { + if (netif_msg_link(qdev)) + printk(KERN_INFO PFX + "%s: Auto-Negotiate complete.\n", + qdev->ndev->name); + return 1; + } else { + if (netif_msg_link(qdev)) + printk(KERN_WARNING PFX + "%s: Auto-Negotiate incomplete.\n", + qdev->ndev->name); + return 0; + } +} + +/* + * ql_is_neg_pause() returns 1 if pause was negotiated to be on + */ +static int ql_is_neg_pause(struct ql3_adapter *qdev) +{ + if (ql_is_fiber(qdev)) + return ql_is_petbi_neg_pause(qdev); + else + return ql_is_phy_neg_pause(qdev); +} + +static int ql_auto_neg_error(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 bitToCheck = 0; + u32 temp; + + switch (qdev->mac_index) { + case 0: + bitToCheck = PORT_STATUS_AE0; + break; + case 1: + bitToCheck = PORT_STATUS_AE1; + break; + } + temp = ql_read_page0_reg(qdev, &port_regs->portStatus); + return (temp & bitToCheck) != 0; +} + +static u32 ql_get_link_speed(struct ql3_adapter *qdev) +{ + if (ql_is_fiber(qdev)) + return SPEED_1000; + else + return ql_phy_get_speed(qdev); +} + +static int ql_is_link_full_dup(struct ql3_adapter *qdev) +{ + if (ql_is_fiber(qdev)) + return 1; + else + return ql_is_full_dup(qdev); +} + +/* + * Caller holds hw_lock. + */ +static int ql_link_down_detect(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 bitToCheck = 0; + u32 temp; + + switch (qdev->mac_index) { + case 0: + bitToCheck = ISP_CONTROL_LINK_DN_0; + break; + case 1: + bitToCheck = ISP_CONTROL_LINK_DN_1; + break; + } + + temp = + ql_read_common_reg(qdev, &port_regs->CommonRegs.ispControlStatus); + return (temp & bitToCheck) != 0; +} + +/* + * Caller holds hw_lock. + */ +static int ql_link_down_detect_clear(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + + switch (qdev->mac_index) { + case 0: + ql_write_common_reg(qdev, + &port_regs->CommonRegs.ispControlStatus, + (ISP_CONTROL_LINK_DN_0) | + (ISP_CONTROL_LINK_DN_0 << 16)); + break; + + case 1: + ql_write_common_reg(qdev, + &port_regs->CommonRegs.ispControlStatus, + (ISP_CONTROL_LINK_DN_1) | + (ISP_CONTROL_LINK_DN_1 << 16)); + break; + + default: + return 1; + } + + return 0; +} + +/* + * Caller holds hw_lock. + */ +static int ql_this_adapter_controls_port(struct ql3_adapter *qdev, + u32 mac_index) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 bitToCheck = 0; + u32 temp; + + switch (mac_index) { + case 0: + bitToCheck = PORT_STATUS_F1_ENABLED; + break; + case 1: + bitToCheck = PORT_STATUS_F3_ENABLED; + break; + default: + break; + } + + temp = ql_read_page0_reg(qdev, &port_regs->portStatus); + if (temp & bitToCheck) { + if (netif_msg_link(qdev)) + printk(KERN_DEBUG PFX + "%s: is not link master.\n", qdev->ndev->name); + return 0; + } else { + if (netif_msg_link(qdev)) + printk(KERN_DEBUG PFX + "%s: is link master.\n", qdev->ndev->name); + return 1; + } +} + +static void ql_phy_reset_ex(struct ql3_adapter *qdev, u32 mac_index) +{ + ql_mii_write_reg_ex(qdev, CONTROL_REG, PHY_CTRL_SOFT_RESET, mac_index); +} + +static void ql_phy_start_neg_ex(struct ql3_adapter *qdev, u32 mac_index) +{ + u16 reg; + + ql_mii_write_reg_ex(qdev, PHY_NEG_ADVER, + PHY_NEG_PAUSE | PHY_NEG_ADV_SPEED | 1, mac_index); + + ql_mii_read_reg_ex(qdev, CONTROL_REG, ®, mac_index); + ql_mii_write_reg_ex(qdev, CONTROL_REG, reg | PHY_CTRL_RESTART_NEG, + mac_index); +} + +static void ql_phy_init_ex(struct ql3_adapter *qdev, u32 mac_index) +{ + ql_phy_reset_ex(qdev, mac_index); + ql_phy_start_neg_ex(qdev, mac_index); +} + +/* + * Caller holds hw_lock. + */ +static u32 ql_get_link_state(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + u32 bitToCheck = 0; + u32 temp, linkState; + + switch (qdev->mac_index) { + case 0: + bitToCheck = PORT_STATUS_UP0; + break; + case 1: + bitToCheck = PORT_STATUS_UP1; + break; + } + temp = ql_read_page0_reg(qdev, &port_regs->portStatus); + if (temp & bitToCheck) { + linkState = LS_UP; + } else { + linkState = LS_DOWN; + if (netif_msg_link(qdev)) + printk(KERN_WARNING PFX + "%s: Link is down.\n", qdev->ndev->name); + } + return linkState; +} + +static int ql_port_start(struct ql3_adapter *qdev) +{ + if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK, + (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) * + 2) << 7)) + return -1; + + if (ql_is_fiber(qdev)) { + ql_petbi_init(qdev); + } else { + /* Copper port */ + ql_phy_init_ex(qdev, qdev->mac_index); + } + + ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK); + return 0; +} + +static int ql_finish_auto_neg(struct ql3_adapter *qdev) +{ + + if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK, + (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) * + 2) << 7)) + return -1; + + if (!ql_auto_neg_error(qdev)) { + if (test_bit(QL_LINK_MASTER,&qdev->flags)) { + /* configure the MAC */ + if (netif_msg_link(qdev)) + printk(KERN_DEBUG PFX + "%s: Configuring link.\n", + qdev->ndev-> + name); + ql_mac_cfg_soft_reset(qdev, 1); + ql_mac_cfg_gig(qdev, + (ql_get_link_speed + (qdev) == + SPEED_1000)); + ql_mac_cfg_full_dup(qdev, + ql_is_link_full_dup + (qdev)); + ql_mac_cfg_pause(qdev, + ql_is_neg_pause + (qdev)); + ql_mac_cfg_soft_reset(qdev, 0); + + /* enable the MAC */ + if (netif_msg_link(qdev)) + printk(KERN_DEBUG PFX + "%s: Enabling mac.\n", + qdev->ndev-> + name); + ql_mac_enable(qdev, 1); + } + + if (netif_msg_link(qdev)) + printk(KERN_DEBUG PFX + "%s: Change port_link_state LS_DOWN to LS_UP.\n", + qdev->ndev->name); + qdev->port_link_state = LS_UP; + netif_start_queue(qdev->ndev); + netif_carrier_on(qdev->ndev); + if (netif_msg_link(qdev)) + printk(KERN_INFO PFX + "%s: Link is up at %d Mbps, %s duplex.\n", + qdev->ndev->name, + ql_get_link_speed(qdev), + ql_is_link_full_dup(qdev) + ? "full" : "half"); + + } else { /* Remote error detected */ + + if (test_bit(QL_LINK_MASTER,&qdev->flags)) { + if (netif_msg_link(qdev)) + printk(KERN_DEBUG PFX + "%s: Remote error detected. " + "Calling ql_port_start().\n", + qdev->ndev-> + name); + /* + * ql_port_start() is shared code and needs + * to lock the PHY on it's own. + */ + ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK); + if(ql_port_start(qdev)) {/* Restart port */ + return -1; + } else + return 0; + } + } + ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK); + return 0; +} + +static void ql_link_state_machine(struct ql3_adapter *qdev) +{ + u32 curr_link_state; + unsigned long hw_flags; + + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + + curr_link_state = ql_get_link_state(qdev); + + if (test_bit(QL_RESET_ACTIVE,&qdev->flags)) { + if (netif_msg_link(qdev)) + printk(KERN_INFO PFX + "%s: Reset in progress, skip processing link " + "state.\n", qdev->ndev->name); + return; + } + + switch (qdev->port_link_state) { + default: + if (test_bit(QL_LINK_MASTER,&qdev->flags)) { + ql_port_start(qdev); + } + qdev->port_link_state = LS_DOWN; + /* Fall Through */ + + case LS_DOWN: + if (netif_msg_link(qdev)) + printk(KERN_DEBUG PFX + "%s: port_link_state = LS_DOWN.\n", + qdev->ndev->name); + if (curr_link_state == LS_UP) { + if (netif_msg_link(qdev)) + printk(KERN_DEBUG PFX + "%s: curr_link_state = LS_UP.\n", + qdev->ndev->name); + if (ql_is_auto_neg_complete(qdev)) + ql_finish_auto_neg(qdev); + + if (qdev->port_link_state == LS_UP) + ql_link_down_detect_clear(qdev); + + } + break; + + case LS_UP: + /* + * See if the link is currently down or went down and came + * back up + */ + if ((curr_link_state == LS_DOWN) || ql_link_down_detect(qdev)) { + if (netif_msg_link(qdev)) + printk(KERN_INFO PFX "%s: Link is down.\n", + qdev->ndev->name); + qdev->port_link_state = LS_DOWN; + } + break; + } + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); +} + +/* + * Caller must take hw_lock and QL_PHY_GIO_SEM. + */ +static void ql_get_phy_owner(struct ql3_adapter *qdev) +{ + if (ql_this_adapter_controls_port(qdev, qdev->mac_index)) + set_bit(QL_LINK_MASTER,&qdev->flags); + else + clear_bit(QL_LINK_MASTER,&qdev->flags); +} + +/* + * Caller must take hw_lock and QL_PHY_GIO_SEM. + */ +static void ql_init_scan_mode(struct ql3_adapter *qdev) +{ + ql_mii_enable_scan_mode(qdev); + + if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) { + if (ql_this_adapter_controls_port(qdev, qdev->mac_index)) + ql_petbi_init_ex(qdev, qdev->mac_index); + } else { + if (ql_this_adapter_controls_port(qdev, qdev->mac_index)) + ql_phy_init_ex(qdev, qdev->mac_index); + } +} + +/* + * MII_Setup needs to be called before taking the PHY out of reset so that the + * management interface clock speed can be set properly. It would be better if + * we had a way to disable MDC until after the PHY is out of reset, but we + * don't have that capability. + */ +static int ql_mii_setup(struct ql3_adapter *qdev) +{ + u32 reg; + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + + if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK, + (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) * + 2) << 7)) + return -1; + + /* Divide 125MHz clock by 28 to meet PHY timing requirements */ + reg = MAC_MII_CONTROL_CLK_SEL_DIV28; + + ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg, + reg | ((MAC_MII_CONTROL_CLK_SEL_MASK) << 16)); + + ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK); + return 0; +} + +static u32 ql_supported_modes(struct ql3_adapter *qdev) +{ + u32 supported; + + if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) { + supported = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE + | SUPPORTED_Autoneg; + } else { + supported = SUPPORTED_10baseT_Half + | SUPPORTED_10baseT_Full + | SUPPORTED_100baseT_Half + | SUPPORTED_100baseT_Full + | SUPPORTED_1000baseT_Half + | SUPPORTED_1000baseT_Full + | SUPPORTED_Autoneg | SUPPORTED_TP; + } + + return supported; +} + +static int ql_get_auto_cfg_status(struct ql3_adapter *qdev) +{ + int status; + unsigned long hw_flags; + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK, + (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) * + 2) << 7)) + return 0; + status = ql_is_auto_cfg(qdev); + ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK); + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + return status; +} + +static u32 ql_get_speed(struct ql3_adapter *qdev) +{ + u32 status; + unsigned long hw_flags; + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK, + (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) * + 2) << 7)) + return 0; + status = ql_get_link_speed(qdev); + ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK); + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + return status; +} + +static int ql_get_full_dup(struct ql3_adapter *qdev) +{ + int status; + unsigned long hw_flags; + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK, + (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) * + 2) << 7)) + return 0; + status = ql_is_link_full_dup(qdev); + ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK); + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + return status; +} + + +static int ql_get_settings(struct net_device *ndev, struct ethtool_cmd *ecmd) +{ + struct ql3_adapter *qdev = netdev_priv(ndev); + + ecmd->transceiver = XCVR_INTERNAL; + ecmd->supported = ql_supported_modes(qdev); + + if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) { + ecmd->port = PORT_FIBRE; + } else { + ecmd->port = PORT_TP; + ecmd->phy_address = qdev->PHYAddr; + } + ecmd->advertising = ql_supported_modes(qdev); + ecmd->autoneg = ql_get_auto_cfg_status(qdev); + ecmd->speed = ql_get_speed(qdev); + ecmd->duplex = ql_get_full_dup(qdev); + return 0; +} + +static void ql_get_drvinfo(struct net_device *ndev, + struct ethtool_drvinfo *drvinfo) +{ + struct ql3_adapter *qdev = netdev_priv(ndev); + strncpy(drvinfo->driver, ql3xxx_driver_name, 32); + strncpy(drvinfo->version, ql3xxx_driver_version, 32); + strncpy(drvinfo->fw_version, "N/A", 32); + strncpy(drvinfo->bus_info, pci_name(qdev->pdev), 32); + drvinfo->n_stats = 0; + drvinfo->testinfo_len = 0; + drvinfo->regdump_len = 0; + drvinfo->eedump_len = 0; +} + +static u32 ql_get_msglevel(struct net_device *ndev) +{ + struct ql3_adapter *qdev = netdev_priv(ndev); + return qdev->msg_enable; +} + +static void ql_set_msglevel(struct net_device *ndev, u32 value) +{ + struct ql3_adapter *qdev = netdev_priv(ndev); + qdev->msg_enable = value; +} + +static const struct ethtool_ops ql3xxx_ethtool_ops = { + .get_settings = ql_get_settings, + .get_drvinfo = ql_get_drvinfo, + .get_perm_addr = ethtool_op_get_perm_addr, + .get_link = ethtool_op_get_link, + .get_msglevel = ql_get_msglevel, + .set_msglevel = ql_set_msglevel, +}; + +static int ql_populate_free_queue(struct ql3_adapter *qdev) +{ + struct ql_rcv_buf_cb *lrg_buf_cb = qdev->lrg_buf_free_head; + u64 map; + + while (lrg_buf_cb) { + if (!lrg_buf_cb->skb) { + lrg_buf_cb->skb = dev_alloc_skb(qdev->lrg_buffer_len); + if (unlikely(!lrg_buf_cb->skb)) { + printk(KERN_DEBUG PFX + "%s: Failed dev_alloc_skb().\n", + qdev->ndev->name); + break; + } else { + /* + * We save some space to copy the ethhdr from + * first buffer + */ + skb_reserve(lrg_buf_cb->skb, QL_HEADER_SPACE); + map = pci_map_single(qdev->pdev, + lrg_buf_cb->skb->data, + qdev->lrg_buffer_len - + QL_HEADER_SPACE, + PCI_DMA_FROMDEVICE); + lrg_buf_cb->buf_phy_addr_low = + cpu_to_le32(LS_64BITS(map)); + lrg_buf_cb->buf_phy_addr_high = + cpu_to_le32(MS_64BITS(map)); + pci_unmap_addr_set(lrg_buf_cb, mapaddr, map); + pci_unmap_len_set(lrg_buf_cb, maplen, + qdev->lrg_buffer_len - + QL_HEADER_SPACE); + --qdev->lrg_buf_skb_check; + if (!qdev->lrg_buf_skb_check) + return 1; + } + } + lrg_buf_cb = lrg_buf_cb->next; + } + return 0; +} + +/* + * Caller holds hw_lock. + */ +static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev) +{ + struct bufq_addr_element *lrg_buf_q_ele; + int i; + struct ql_rcv_buf_cb *lrg_buf_cb; + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + + if ((qdev->lrg_buf_free_count >= 8) + && (qdev->lrg_buf_release_cnt >= 16)) { + + if (qdev->lrg_buf_skb_check) + if (!ql_populate_free_queue(qdev)) + return; + + lrg_buf_q_ele = qdev->lrg_buf_next_free; + + while ((qdev->lrg_buf_release_cnt >= 16) + && (qdev->lrg_buf_free_count >= 8)) { + + for (i = 0; i < 8; i++) { + lrg_buf_cb = + ql_get_from_lrg_buf_free_list(qdev); + lrg_buf_q_ele->addr_high = + lrg_buf_cb->buf_phy_addr_high; + lrg_buf_q_ele->addr_low = + lrg_buf_cb->buf_phy_addr_low; + lrg_buf_q_ele++; + + qdev->lrg_buf_release_cnt--; + } + + qdev->lrg_buf_q_producer_index++; + + if (qdev->lrg_buf_q_producer_index == NUM_LBUFQ_ENTRIES) + qdev->lrg_buf_q_producer_index = 0; + + if (qdev->lrg_buf_q_producer_index == + (NUM_LBUFQ_ENTRIES - 1)) { + lrg_buf_q_ele = qdev->lrg_buf_q_virt_addr; + } + } + + qdev->lrg_buf_next_free = lrg_buf_q_ele; + + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + rxLargeQProducerIndex, + qdev->lrg_buf_q_producer_index); + } +} + +static void ql_process_mac_tx_intr(struct ql3_adapter *qdev, + struct ob_mac_iocb_rsp *mac_rsp) +{ + struct ql_tx_buf_cb *tx_cb; + + tx_cb = &qdev->tx_buf[mac_rsp->transaction_id]; + pci_unmap_single(qdev->pdev, + pci_unmap_addr(tx_cb, mapaddr), + pci_unmap_len(tx_cb, maplen), PCI_DMA_TODEVICE); + dev_kfree_skb_irq(tx_cb->skb); + qdev->stats.tx_packets++; + qdev->stats.tx_bytes += tx_cb->skb->len; + tx_cb->skb = NULL; + atomic_inc(&qdev->tx_count); +} + +static void ql_process_mac_rx_intr(struct ql3_adapter *qdev, + struct ib_mac_iocb_rsp *ib_mac_rsp_ptr) +{ + long int offset; + u32 lrg_buf_phy_addr_low = 0; + struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL; + struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL; + u32 *curr_ial_ptr; + struct sk_buff *skb; + u16 length = le16_to_cpu(ib_mac_rsp_ptr->length); + + /* + * Get the inbound address list (small buffer). + */ + offset = qdev->small_buf_index * QL_SMALL_BUFFER_SIZE; + if (++qdev->small_buf_index == NUM_SMALL_BUFFERS) + qdev->small_buf_index = 0; + + curr_ial_ptr = (u32 *) (qdev->small_buf_virt_addr + offset); + qdev->last_rsp_offset = qdev->small_buf_phy_addr_low + offset; + qdev->small_buf_release_cnt++; + + /* start of first buffer */ + lrg_buf_phy_addr_low = le32_to_cpu(*curr_ial_ptr); + lrg_buf_cb1 = &qdev->lrg_buf[qdev->lrg_buf_index]; + qdev->lrg_buf_release_cnt++; + if (++qdev->lrg_buf_index == NUM_LARGE_BUFFERS) + qdev->lrg_buf_index = 0; + curr_ial_ptr++; /* 64-bit pointers require two incs. */ + curr_ial_ptr++; + + /* start of second buffer */ + lrg_buf_phy_addr_low = le32_to_cpu(*curr_ial_ptr); + lrg_buf_cb2 = &qdev->lrg_buf[qdev->lrg_buf_index]; + + /* + * Second buffer gets sent up the stack. + */ + qdev->lrg_buf_release_cnt++; + if (++qdev->lrg_buf_index == NUM_LARGE_BUFFERS) + qdev->lrg_buf_index = 0; + skb = lrg_buf_cb2->skb; + + qdev->stats.rx_packets++; + qdev->stats.rx_bytes += length; + + skb_put(skb, length); + pci_unmap_single(qdev->pdev, + pci_unmap_addr(lrg_buf_cb2, mapaddr), + pci_unmap_len(lrg_buf_cb2, maplen), + PCI_DMA_FROMDEVICE); + prefetch(skb->data); + skb->dev = qdev->ndev; + skb->ip_summed = CHECKSUM_NONE; + skb->protocol = eth_type_trans(skb, qdev->ndev); + + netif_receive_skb(skb); + qdev->ndev->last_rx = jiffies; + lrg_buf_cb2->skb = NULL; + + ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb1); + ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb2); +} + +static void ql_process_macip_rx_intr(struct ql3_adapter *qdev, + struct ib_ip_iocb_rsp *ib_ip_rsp_ptr) +{ + long int offset; + u32 lrg_buf_phy_addr_low = 0; + struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL; + struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL; + u32 *curr_ial_ptr; + struct sk_buff *skb1, *skb2; + struct net_device *ndev = qdev->ndev; + u16 length = le16_to_cpu(ib_ip_rsp_ptr->length); + u16 size = 0; + + /* + * Get the inbound address list (small buffer). + */ + + offset = qdev->small_buf_index * QL_SMALL_BUFFER_SIZE; + if (++qdev->small_buf_index == NUM_SMALL_BUFFERS) + qdev->small_buf_index = 0; + curr_ial_ptr = (u32 *) (qdev->small_buf_virt_addr + offset); + qdev->last_rsp_offset = qdev->small_buf_phy_addr_low + offset; + qdev->small_buf_release_cnt++; + + /* start of first buffer */ + lrg_buf_phy_addr_low = le32_to_cpu(*curr_ial_ptr); + lrg_buf_cb1 = &qdev->lrg_buf[qdev->lrg_buf_index]; + + qdev->lrg_buf_release_cnt++; + if (++qdev->lrg_buf_index == NUM_LARGE_BUFFERS) + qdev->lrg_buf_index = 0; + skb1 = lrg_buf_cb1->skb; + curr_ial_ptr++; /* 64-bit pointers require two incs. */ + curr_ial_ptr++; + + /* start of second buffer */ + lrg_buf_phy_addr_low = le32_to_cpu(*curr_ial_ptr); + lrg_buf_cb2 = &qdev->lrg_buf[qdev->lrg_buf_index]; + skb2 = lrg_buf_cb2->skb; + qdev->lrg_buf_release_cnt++; + if (++qdev->lrg_buf_index == NUM_LARGE_BUFFERS) + qdev->lrg_buf_index = 0; + + qdev->stats.rx_packets++; + qdev->stats.rx_bytes += length; + + /* + * Copy the ethhdr from first buffer to second. This + * is necessary for IP completions. + */ + if (*((u16 *) skb1->data) != 0xFFFF) + size = VLAN_ETH_HLEN; + else + size = ETH_HLEN; + + skb_put(skb2, length); /* Just the second buffer length here. */ + pci_unmap_single(qdev->pdev, + pci_unmap_addr(lrg_buf_cb2, mapaddr), + pci_unmap_len(lrg_buf_cb2, maplen), + PCI_DMA_FROMDEVICE); + prefetch(skb2->data); + + memcpy(skb_push(skb2, size), skb1->data + VLAN_ID_LEN, size); + skb2->dev = qdev->ndev; + skb2->ip_summed = CHECKSUM_NONE; + skb2->protocol = eth_type_trans(skb2, qdev->ndev); + + netif_receive_skb(skb2); + ndev->last_rx = jiffies; + lrg_buf_cb2->skb = NULL; + + ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb1); + ql_release_to_lrg_buf_free_list(qdev, lrg_buf_cb2); +} + +static int ql_tx_rx_clean(struct ql3_adapter *qdev, + int *tx_cleaned, int *rx_cleaned, int work_to_do) +{ + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + struct net_rsp_iocb *net_rsp; + struct net_device *ndev = qdev->ndev; + unsigned long hw_flags; + + /* While there are entries in the completion queue. */ + while ((cpu_to_le32(*(qdev->prsp_producer_index)) != + qdev->rsp_consumer_index) && (*rx_cleaned < work_to_do)) { + + net_rsp = qdev->rsp_current; + switch (net_rsp->opcode) { + + case OPCODE_OB_MAC_IOCB_FN0: + case OPCODE_OB_MAC_IOCB_FN2: + ql_process_mac_tx_intr(qdev, (struct ob_mac_iocb_rsp *) + net_rsp); + (*tx_cleaned)++; + break; + + case OPCODE_IB_MAC_IOCB: + ql_process_mac_rx_intr(qdev, (struct ib_mac_iocb_rsp *) + net_rsp); + (*rx_cleaned)++; + break; + + case OPCODE_IB_IP_IOCB: + ql_process_macip_rx_intr(qdev, (struct ib_ip_iocb_rsp *) + net_rsp); + (*rx_cleaned)++; + break; + default: + { + u32 *tmp = (u32 *) net_rsp; + printk(KERN_ERR PFX + "%s: Hit default case, not " + "handled!\n" + " dropping the packet, opcode = " + "%x.\n", + ndev->name, net_rsp->opcode); + printk(KERN_ERR PFX + "0x%08lx 0x%08lx 0x%08lx 0x%08lx \n", + (unsigned long int)tmp[0], + (unsigned long int)tmp[1], + (unsigned long int)tmp[2], + (unsigned long int)tmp[3]); + } + } + + qdev->rsp_consumer_index++; + + if (qdev->rsp_consumer_index == NUM_RSP_Q_ENTRIES) { + qdev->rsp_consumer_index = 0; + qdev->rsp_current = qdev->rsp_q_virt_addr; + } else { + qdev->rsp_current++; + } + } + + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + + ql_update_lrg_bufq_prod_index(qdev); + + if (qdev->small_buf_release_cnt >= 16) { + while (qdev->small_buf_release_cnt >= 16) { + qdev->small_buf_q_producer_index++; + + if (qdev->small_buf_q_producer_index == + NUM_SBUFQ_ENTRIES) + qdev->small_buf_q_producer_index = 0; + qdev->small_buf_release_cnt -= 8; + } + + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + rxSmallQProducerIndex, + qdev->small_buf_q_producer_index); + } + + ql_write_common_reg(qdev, + &port_regs->CommonRegs.rspQConsumerIndex, + qdev->rsp_consumer_index); + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + + if (unlikely(netif_queue_stopped(qdev->ndev))) { + if (netif_queue_stopped(qdev->ndev) && + (atomic_read(&qdev->tx_count) > (NUM_REQ_Q_ENTRIES / 4))) + netif_wake_queue(qdev->ndev); + } + + return *tx_cleaned + *rx_cleaned; +} + +static int ql_poll(struct net_device *ndev, int *budget) +{ + struct ql3_adapter *qdev = netdev_priv(ndev); + int work_to_do = min(*budget, ndev->quota); + int rx_cleaned = 0, tx_cleaned = 0; + + if (!netif_carrier_ok(ndev)) + goto quit_polling; + + ql_tx_rx_clean(qdev, &tx_cleaned, &rx_cleaned, work_to_do); + *budget -= rx_cleaned; + ndev->quota -= rx_cleaned; + + if ((!tx_cleaned && !rx_cleaned) || !netif_running(ndev)) { +quit_polling: + netif_rx_complete(ndev); + ql_enable_interrupts(qdev); + return 0; + } + return 1; +} + +static irqreturn_t ql3xxx_isr(int irq, void *dev_id, struct pt_regs *regs) +{ + + struct net_device *ndev = dev_id; + struct ql3_adapter *qdev = netdev_priv(ndev); + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + u32 value; + int handled = 1; + u32 var; + + port_regs = qdev->mem_map_registers; + + value = + ql_read_common_reg_l(qdev, &port_regs->CommonRegs.ispControlStatus); + + if (value & (ISP_CONTROL_FE | ISP_CONTROL_RI)) { + spin_lock(&qdev->adapter_lock); + netif_stop_queue(qdev->ndev); + netif_carrier_off(qdev->ndev); + ql_disable_interrupts(qdev); + qdev->port_link_state = LS_DOWN; + set_bit(QL_RESET_ACTIVE,&qdev->flags) ; + + if (value & ISP_CONTROL_FE) { + /* + * Chip Fatal Error. + */ + var = + ql_read_page0_reg_l(qdev, + &port_regs->PortFatalErrStatus); + printk(KERN_WARNING PFX + "%s: Resetting chip. PortFatalErrStatus " + "register = 0x%x\n", ndev->name, var); + set_bit(QL_RESET_START,&qdev->flags) ; + } else { + /* + * Soft Reset Requested. + */ + set_bit(QL_RESET_PER_SCSI,&qdev->flags) ; + printk(KERN_ERR PFX + "%s: Another function issued a reset to the " + "chip. ISR value = %x.\n", ndev->name, value); + } + queue_work(qdev->workqueue, &qdev->reset_work); + spin_unlock(&qdev->adapter_lock); + } else if (value & ISP_IMR_DISABLE_CMPL_INT) { + ql_disable_interrupts(qdev); + if (likely(netif_rx_schedule_prep(ndev))) + __netif_rx_schedule(ndev); + else + ql_enable_interrupts(qdev); + } else { + return IRQ_NONE; + } + + return IRQ_RETVAL(handled); +} + +static int ql3xxx_send(struct sk_buff *skb, struct net_device *ndev) +{ + struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev); + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + struct ql_tx_buf_cb *tx_cb; + struct ob_mac_iocb_req *mac_iocb_ptr; + u64 map; + + if (unlikely(atomic_read(&qdev->tx_count) < 2)) { + if (!netif_queue_stopped(ndev)) + netif_stop_queue(ndev); + return NETDEV_TX_BUSY; + } + tx_cb = &qdev->tx_buf[qdev->req_producer_index] ; + mac_iocb_ptr = tx_cb->queue_entry; + memset((void *)mac_iocb_ptr, 0, sizeof(struct ob_mac_iocb_req)); + mac_iocb_ptr->opcode = qdev->mac_ob_opcode; + mac_iocb_ptr->flags |= qdev->mb_bit_mask; + mac_iocb_ptr->transaction_id = qdev->req_producer_index; + mac_iocb_ptr->data_len = cpu_to_le16((u16) skb->len); + tx_cb->skb = skb; + map = pci_map_single(qdev->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); + mac_iocb_ptr->buf_addr0_low = cpu_to_le32(LS_64BITS(map)); + mac_iocb_ptr->buf_addr0_high = cpu_to_le32(MS_64BITS(map)); + mac_iocb_ptr->buf_0_len = cpu_to_le32(skb->len | OB_MAC_IOCB_REQ_E); + pci_unmap_addr_set(tx_cb, mapaddr, map); + pci_unmap_len_set(tx_cb, maplen, skb->len); + atomic_dec(&qdev->tx_count); + + qdev->req_producer_index++; + if (qdev->req_producer_index == NUM_REQ_Q_ENTRIES) + qdev->req_producer_index = 0; + wmb(); + ql_write_common_reg_l(qdev, + &port_regs->CommonRegs.reqQProducerIndex, + qdev->req_producer_index); + + ndev->trans_start = jiffies; + if (netif_msg_tx_queued(qdev)) + printk(KERN_DEBUG PFX "%s: tx queued, slot %d, len %d\n", + ndev->name, qdev->req_producer_index, skb->len); + + return NETDEV_TX_OK; +} +static int ql_alloc_net_req_rsp_queues(struct ql3_adapter *qdev) +{ + qdev->req_q_size = + (u32) (NUM_REQ_Q_ENTRIES * sizeof(struct ob_mac_iocb_req)); + + qdev->req_q_virt_addr = + pci_alloc_consistent(qdev->pdev, + (size_t) qdev->req_q_size, + &qdev->req_q_phy_addr); + + if ((qdev->req_q_virt_addr == NULL) || + LS_64BITS(qdev->req_q_phy_addr) & (qdev->req_q_size - 1)) { + printk(KERN_ERR PFX "%s: reqQ failed.\n", + qdev->ndev->name); + return -ENOMEM; + } + + qdev->rsp_q_size = NUM_RSP_Q_ENTRIES * sizeof(struct net_rsp_iocb); + + qdev->rsp_q_virt_addr = + pci_alloc_consistent(qdev->pdev, + (size_t) qdev->rsp_q_size, + &qdev->rsp_q_phy_addr); + + if ((qdev->rsp_q_virt_addr == NULL) || + LS_64BITS(qdev->rsp_q_phy_addr) & (qdev->rsp_q_size - 1)) { + printk(KERN_ERR PFX + "%s: rspQ allocation failed\n", + qdev->ndev->name); + pci_free_consistent(qdev->pdev, (size_t) qdev->req_q_size, + qdev->req_q_virt_addr, + qdev->req_q_phy_addr); + return -ENOMEM; + } + + set_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags); + + return 0; +} + +static void ql_free_net_req_rsp_queues(struct ql3_adapter *qdev) +{ + if (!test_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags)) { + printk(KERN_INFO PFX + "%s: Already done.\n", qdev->ndev->name); + return; + } + + pci_free_consistent(qdev->pdev, + qdev->req_q_size, + qdev->req_q_virt_addr, qdev->req_q_phy_addr); + + qdev->req_q_virt_addr = NULL; + + pci_free_consistent(qdev->pdev, + qdev->rsp_q_size, + qdev->rsp_q_virt_addr, qdev->rsp_q_phy_addr); + + qdev->rsp_q_virt_addr = NULL; + + clear_bit(QL_ALLOC_REQ_RSP_Q_DONE,&qdev->flags); +} + +static int ql_alloc_buffer_queues(struct ql3_adapter *qdev) +{ + /* Create Large Buffer Queue */ + qdev->lrg_buf_q_size = + NUM_LBUFQ_ENTRIES * sizeof(struct lrg_buf_q_entry); + if (qdev->lrg_buf_q_size < PAGE_SIZE) + qdev->lrg_buf_q_alloc_size = PAGE_SIZE; + else + qdev->lrg_buf_q_alloc_size = qdev->lrg_buf_q_size * 2; + + qdev->lrg_buf_q_alloc_virt_addr = + pci_alloc_consistent(qdev->pdev, + qdev->lrg_buf_q_alloc_size, + &qdev->lrg_buf_q_alloc_phy_addr); + + if (qdev->lrg_buf_q_alloc_virt_addr == NULL) { + printk(KERN_ERR PFX + "%s: lBufQ failed\n", qdev->ndev->name); + return -ENOMEM; + } + qdev->lrg_buf_q_virt_addr = qdev->lrg_buf_q_alloc_virt_addr; + qdev->lrg_buf_q_phy_addr = qdev->lrg_buf_q_alloc_phy_addr; + + /* Create Small Buffer Queue */ + qdev->small_buf_q_size = + NUM_SBUFQ_ENTRIES * sizeof(struct lrg_buf_q_entry); + if (qdev->small_buf_q_size < PAGE_SIZE) + qdev->small_buf_q_alloc_size = PAGE_SIZE; + else + qdev->small_buf_q_alloc_size = qdev->small_buf_q_size * 2; + + qdev->small_buf_q_alloc_virt_addr = + pci_alloc_consistent(qdev->pdev, + qdev->small_buf_q_alloc_size, + &qdev->small_buf_q_alloc_phy_addr); + + if (qdev->small_buf_q_alloc_virt_addr == NULL) { + printk(KERN_ERR PFX + "%s: Small Buffer Queue allocation failed.\n", + qdev->ndev->name); + pci_free_consistent(qdev->pdev, qdev->lrg_buf_q_alloc_size, + qdev->lrg_buf_q_alloc_virt_addr, + qdev->lrg_buf_q_alloc_phy_addr); + return -ENOMEM; + } + + qdev->small_buf_q_virt_addr = qdev->small_buf_q_alloc_virt_addr; + qdev->small_buf_q_phy_addr = qdev->small_buf_q_alloc_phy_addr; + set_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags); + return 0; +} + +static void ql_free_buffer_queues(struct ql3_adapter *qdev) +{ + if (!test_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags)) { + printk(KERN_INFO PFX + "%s: Already done.\n", qdev->ndev->name); + return; + } + + pci_free_consistent(qdev->pdev, + qdev->lrg_buf_q_alloc_size, + qdev->lrg_buf_q_alloc_virt_addr, + qdev->lrg_buf_q_alloc_phy_addr); + + qdev->lrg_buf_q_virt_addr = NULL; + + pci_free_consistent(qdev->pdev, + qdev->small_buf_q_alloc_size, + qdev->small_buf_q_alloc_virt_addr, + qdev->small_buf_q_alloc_phy_addr); + + qdev->small_buf_q_virt_addr = NULL; + + clear_bit(QL_ALLOC_BUFQS_DONE,&qdev->flags); +} + +static int ql_alloc_small_buffers(struct ql3_adapter *qdev) +{ + int i; + struct bufq_addr_element *small_buf_q_entry; + + /* Currently we allocate on one of memory and use it for smallbuffers */ + qdev->small_buf_total_size = + (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES * + QL_SMALL_BUFFER_SIZE); + + qdev->small_buf_virt_addr = + pci_alloc_consistent(qdev->pdev, + qdev->small_buf_total_size, + &qdev->small_buf_phy_addr); + + if (qdev->small_buf_virt_addr == NULL) { + printk(KERN_ERR PFX + "%s: Failed to get small buffer memory.\n", + qdev->ndev->name); + return -ENOMEM; + } + + qdev->small_buf_phy_addr_low = LS_64BITS(qdev->small_buf_phy_addr); + qdev->small_buf_phy_addr_high = MS_64BITS(qdev->small_buf_phy_addr); + + small_buf_q_entry = qdev->small_buf_q_virt_addr; + + qdev->last_rsp_offset = qdev->small_buf_phy_addr_low; + + /* Initialize the small buffer queue. */ + for (i = 0; i < (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES); i++) { + small_buf_q_entry->addr_high = + cpu_to_le32(qdev->small_buf_phy_addr_high); + small_buf_q_entry->addr_low = + cpu_to_le32(qdev->small_buf_phy_addr_low + + (i * QL_SMALL_BUFFER_SIZE)); + small_buf_q_entry++; + } + qdev->small_buf_index = 0; + set_bit(QL_ALLOC_SMALL_BUF_DONE,&qdev->flags); + return 0; +} + +static void ql_free_small_buffers(struct ql3_adapter *qdev) +{ + if (!test_bit(QL_ALLOC_SMALL_BUF_DONE,&qdev->flags)) { + printk(KERN_INFO PFX + "%s: Already done.\n", qdev->ndev->name); + return; + } + if (qdev->small_buf_virt_addr != NULL) { + pci_free_consistent(qdev->pdev, + qdev->small_buf_total_size, + qdev->small_buf_virt_addr, + qdev->small_buf_phy_addr); + + qdev->small_buf_virt_addr = NULL; + } +} + +static void ql_free_large_buffers(struct ql3_adapter *qdev) +{ + int i = 0; + struct ql_rcv_buf_cb *lrg_buf_cb; + + for (i = 0; i < NUM_LARGE_BUFFERS; i++) { + lrg_buf_cb = &qdev->lrg_buf[i]; + if (lrg_buf_cb->skb) { + dev_kfree_skb(lrg_buf_cb->skb); + pci_unmap_single(qdev->pdev, + pci_unmap_addr(lrg_buf_cb, mapaddr), + pci_unmap_len(lrg_buf_cb, maplen), + PCI_DMA_FROMDEVICE); + memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb)); + } else { + break; + } + } +} + +static void ql_init_large_buffers(struct ql3_adapter *qdev) +{ + int i; + struct ql_rcv_buf_cb *lrg_buf_cb; + struct bufq_addr_element *buf_addr_ele = qdev->lrg_buf_q_virt_addr; + + for (i = 0; i < NUM_LARGE_BUFFERS; i++) { + lrg_buf_cb = &qdev->lrg_buf[i]; + buf_addr_ele->addr_high = lrg_buf_cb->buf_phy_addr_high; + buf_addr_ele->addr_low = lrg_buf_cb->buf_phy_addr_low; + buf_addr_ele++; + } + qdev->lrg_buf_index = 0; + qdev->lrg_buf_skb_check = 0; +} + +static int ql_alloc_large_buffers(struct ql3_adapter *qdev) +{ + int i; + struct ql_rcv_buf_cb *lrg_buf_cb; + struct sk_buff *skb; + u64 map; + + for (i = 0; i < NUM_LARGE_BUFFERS; i++) { + skb = dev_alloc_skb(qdev->lrg_buffer_len); + if (unlikely(!skb)) { + /* Better luck next round */ + printk(KERN_ERR PFX + "%s: large buff alloc failed, " + "for %d bytes at index %d.\n", + qdev->ndev->name, + qdev->lrg_buffer_len * 2, i); + ql_free_large_buffers(qdev); + return -ENOMEM; + } else { + + lrg_buf_cb = &qdev->lrg_buf[i]; + memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb)); + lrg_buf_cb->index = i; + lrg_buf_cb->skb = skb; + /* + * We save some space to copy the ethhdr from first + * buffer + */ + skb_reserve(skb, QL_HEADER_SPACE); + map = pci_map_single(qdev->pdev, + skb->data, + qdev->lrg_buffer_len - + QL_HEADER_SPACE, + PCI_DMA_FROMDEVICE); + pci_unmap_addr_set(lrg_buf_cb, mapaddr, map); + pci_unmap_len_set(lrg_buf_cb, maplen, + qdev->lrg_buffer_len - + QL_HEADER_SPACE); + lrg_buf_cb->buf_phy_addr_low = + cpu_to_le32(LS_64BITS(map)); + lrg_buf_cb->buf_phy_addr_high = + cpu_to_le32(MS_64BITS(map)); + } + } + return 0; +} + +static void ql_create_send_free_list(struct ql3_adapter *qdev) +{ + struct ql_tx_buf_cb *tx_cb; + int i; + struct ob_mac_iocb_req *req_q_curr = + qdev->req_q_virt_addr; + + /* Create free list of transmit buffers */ + for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) { + tx_cb = &qdev->tx_buf[i]; + tx_cb->skb = NULL; + tx_cb->queue_entry = req_q_curr; + req_q_curr++; + } +} + +static int ql_alloc_mem_resources(struct ql3_adapter *qdev) +{ + if (qdev->ndev->mtu == NORMAL_MTU_SIZE) + qdev->lrg_buffer_len = NORMAL_MTU_SIZE; + else if (qdev->ndev->mtu == JUMBO_MTU_SIZE) { + qdev->lrg_buffer_len = JUMBO_MTU_SIZE; + } else { + printk(KERN_ERR PFX + "%s: Invalid mtu size. Only 1500 and 9000 are accepted.\n", + qdev->ndev->name); + return -ENOMEM; + } + qdev->lrg_buffer_len += VLAN_ETH_HLEN + VLAN_ID_LEN + QL_HEADER_SPACE; + qdev->max_frame_size = + (qdev->lrg_buffer_len - QL_HEADER_SPACE) + ETHERNET_CRC_SIZE; + + /* + * First allocate a page of shared memory and use it for shadow + * locations of Network Request Queue Consumer Address Register and + * Network Completion Queue Producer Index Register + */ + qdev->shadow_reg_virt_addr = + pci_alloc_consistent(qdev->pdev, + PAGE_SIZE, &qdev->shadow_reg_phy_addr); + + if (qdev->shadow_reg_virt_addr != NULL) { + qdev->preq_consumer_index = (u16 *) qdev->shadow_reg_virt_addr; + qdev->req_consumer_index_phy_addr_high = + MS_64BITS(qdev->shadow_reg_phy_addr); + qdev->req_consumer_index_phy_addr_low = + LS_64BITS(qdev->shadow_reg_phy_addr); + + qdev->prsp_producer_index = + (u32 *) (((u8 *) qdev->preq_consumer_index) + 8); + qdev->rsp_producer_index_phy_addr_high = + qdev->req_consumer_index_phy_addr_high; + qdev->rsp_producer_index_phy_addr_low = + qdev->req_consumer_index_phy_addr_low + 8; + } else { + printk(KERN_ERR PFX + "%s: shadowReg Alloc failed.\n", qdev->ndev->name); + return -ENOMEM; + } + + if (ql_alloc_net_req_rsp_queues(qdev) != 0) { + printk(KERN_ERR PFX + "%s: ql_alloc_net_req_rsp_queues failed.\n", + qdev->ndev->name); + goto err_req_rsp; + } + + if (ql_alloc_buffer_queues(qdev) != 0) { + printk(KERN_ERR PFX + "%s: ql_alloc_buffer_queues failed.\n", + qdev->ndev->name); + goto err_buffer_queues; + } + + if (ql_alloc_small_buffers(qdev) != 0) { + printk(KERN_ERR PFX + "%s: ql_alloc_small_buffers failed\n", qdev->ndev->name); + goto err_small_buffers; + } + + if (ql_alloc_large_buffers(qdev) != 0) { + printk(KERN_ERR PFX + "%s: ql_alloc_large_buffers failed\n", qdev->ndev->name); + goto err_small_buffers; + } + + /* Initialize the large buffer queue. */ + ql_init_large_buffers(qdev); + ql_create_send_free_list(qdev); + + qdev->rsp_current = qdev->rsp_q_virt_addr; + + return 0; + +err_small_buffers: + ql_free_buffer_queues(qdev); +err_buffer_queues: + ql_free_net_req_rsp_queues(qdev); +err_req_rsp: + pci_free_consistent(qdev->pdev, + PAGE_SIZE, + qdev->shadow_reg_virt_addr, + qdev->shadow_reg_phy_addr); + + return -ENOMEM; +} + +static void ql_free_mem_resources(struct ql3_adapter *qdev) +{ + ql_free_large_buffers(qdev); + ql_free_small_buffers(qdev); + ql_free_buffer_queues(qdev); + ql_free_net_req_rsp_queues(qdev); + if (qdev->shadow_reg_virt_addr != NULL) { + pci_free_consistent(qdev->pdev, + PAGE_SIZE, + qdev->shadow_reg_virt_addr, + qdev->shadow_reg_phy_addr); + qdev->shadow_reg_virt_addr = NULL; + } +} + +static int ql_init_misc_registers(struct ql3_adapter *qdev) +{ + struct ql3xxx_local_ram_registers __iomem *local_ram = + (void __iomem *)qdev->mem_map_registers; + + if(ql_sem_spinlock(qdev, QL_DDR_RAM_SEM_MASK, + (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) * + 2) << 4)) + return -1; + + ql_write_page2_reg(qdev, + &local_ram->bufletSize, qdev->nvram_data.bufletSize); + + ql_write_page2_reg(qdev, + &local_ram->maxBufletCount, + qdev->nvram_data.bufletCount); + + ql_write_page2_reg(qdev, + &local_ram->freeBufletThresholdLow, + (qdev->nvram_data.tcpWindowThreshold25 << 16) | + (qdev->nvram_data.tcpWindowThreshold0)); + + ql_write_page2_reg(qdev, + &local_ram->freeBufletThresholdHigh, + qdev->nvram_data.tcpWindowThreshold50); + + ql_write_page2_reg(qdev, + &local_ram->ipHashTableBase, + (qdev->nvram_data.ipHashTableBaseHi << 16) | + qdev->nvram_data.ipHashTableBaseLo); + ql_write_page2_reg(qdev, + &local_ram->ipHashTableCount, + qdev->nvram_data.ipHashTableSize); + ql_write_page2_reg(qdev, + &local_ram->tcpHashTableBase, + (qdev->nvram_data.tcpHashTableBaseHi << 16) | + qdev->nvram_data.tcpHashTableBaseLo); + ql_write_page2_reg(qdev, + &local_ram->tcpHashTableCount, + qdev->nvram_data.tcpHashTableSize); + ql_write_page2_reg(qdev, + &local_ram->ncbBase, + (qdev->nvram_data.ncbTableBaseHi << 16) | + qdev->nvram_data.ncbTableBaseLo); + ql_write_page2_reg(qdev, + &local_ram->maxNcbCount, + qdev->nvram_data.ncbTableSize); + ql_write_page2_reg(qdev, + &local_ram->drbBase, + (qdev->nvram_data.drbTableBaseHi << 16) | + qdev->nvram_data.drbTableBaseLo); + ql_write_page2_reg(qdev, + &local_ram->maxDrbCount, + qdev->nvram_data.drbTableSize); + ql_sem_unlock(qdev, QL_DDR_RAM_SEM_MASK); + return 0; +} + +static int ql_adapter_initialize(struct ql3_adapter *qdev) +{ + u32 value; + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + struct ql3xxx_host_memory_registers __iomem *hmem_regs = + (void __iomem *)port_regs; + u32 delay = 10; + int status = 0; + + if(ql_mii_setup(qdev)) + return -1; + + /* Bring out PHY out of reset */ + ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg, + (ISP_SERIAL_PORT_IF_WE | + (ISP_SERIAL_PORT_IF_WE << 16))); + + qdev->port_link_state = LS_DOWN; + netif_carrier_off(qdev->ndev); + + /* V2 chip fix for ARS-39168. */ + ql_write_common_reg(qdev, &port_regs->CommonRegs.serialPortInterfaceReg, + (ISP_SERIAL_PORT_IF_SDE | + (ISP_SERIAL_PORT_IF_SDE << 16))); + + /* Request Queue Registers */ + *((u32 *) (qdev->preq_consumer_index)) = 0; + atomic_set(&qdev->tx_count,NUM_REQ_Q_ENTRIES); + qdev->req_producer_index = 0; + + ql_write_page1_reg(qdev, + &hmem_regs->reqConsumerIndexAddrHigh, + qdev->req_consumer_index_phy_addr_high); + ql_write_page1_reg(qdev, + &hmem_regs->reqConsumerIndexAddrLow, + qdev->req_consumer_index_phy_addr_low); + + ql_write_page1_reg(qdev, + &hmem_regs->reqBaseAddrHigh, + MS_64BITS(qdev->req_q_phy_addr)); + ql_write_page1_reg(qdev, + &hmem_regs->reqBaseAddrLow, + LS_64BITS(qdev->req_q_phy_addr)); + ql_write_page1_reg(qdev, &hmem_regs->reqLength, NUM_REQ_Q_ENTRIES); + + /* Response Queue Registers */ + *((u16 *) (qdev->prsp_producer_index)) = 0; + qdev->rsp_consumer_index = 0; + qdev->rsp_current = qdev->rsp_q_virt_addr; + + ql_write_page1_reg(qdev, + &hmem_regs->rspProducerIndexAddrHigh, + qdev->rsp_producer_index_phy_addr_high); + + ql_write_page1_reg(qdev, + &hmem_regs->rspProducerIndexAddrLow, + qdev->rsp_producer_index_phy_addr_low); + + ql_write_page1_reg(qdev, + &hmem_regs->rspBaseAddrHigh, + MS_64BITS(qdev->rsp_q_phy_addr)); + + ql_write_page1_reg(qdev, + &hmem_regs->rspBaseAddrLow, + LS_64BITS(qdev->rsp_q_phy_addr)); + + ql_write_page1_reg(qdev, &hmem_regs->rspLength, NUM_RSP_Q_ENTRIES); + + /* Large Buffer Queue */ + ql_write_page1_reg(qdev, + &hmem_regs->rxLargeQBaseAddrHigh, + MS_64BITS(qdev->lrg_buf_q_phy_addr)); + + ql_write_page1_reg(qdev, + &hmem_regs->rxLargeQBaseAddrLow, + LS_64BITS(qdev->lrg_buf_q_phy_addr)); + + ql_write_page1_reg(qdev, &hmem_regs->rxLargeQLength, NUM_LBUFQ_ENTRIES); + + ql_write_page1_reg(qdev, + &hmem_regs->rxLargeBufferLength, + qdev->lrg_buffer_len); + + /* Small Buffer Queue */ + ql_write_page1_reg(qdev, + &hmem_regs->rxSmallQBaseAddrHigh, + MS_64BITS(qdev->small_buf_q_phy_addr)); + + ql_write_page1_reg(qdev, + &hmem_regs->rxSmallQBaseAddrLow, + LS_64BITS(qdev->small_buf_q_phy_addr)); + + ql_write_page1_reg(qdev, &hmem_regs->rxSmallQLength, NUM_SBUFQ_ENTRIES); + ql_write_page1_reg(qdev, + &hmem_regs->rxSmallBufferLength, + QL_SMALL_BUFFER_SIZE); + + qdev->small_buf_q_producer_index = NUM_SBUFQ_ENTRIES - 1; + qdev->small_buf_release_cnt = 8; + qdev->lrg_buf_q_producer_index = NUM_LBUFQ_ENTRIES - 1; + qdev->lrg_buf_release_cnt = 8; + qdev->lrg_buf_next_free = + (struct bufq_addr_element *)qdev->lrg_buf_q_virt_addr; + qdev->small_buf_index = 0; + qdev->lrg_buf_index = 0; + qdev->lrg_buf_free_count = 0; + qdev->lrg_buf_free_head = NULL; + qdev->lrg_buf_free_tail = NULL; + + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + rxSmallQProducerIndex, + qdev->small_buf_q_producer_index); + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + rxLargeQProducerIndex, + qdev->lrg_buf_q_producer_index); + + /* + * Find out if the chip has already been initialized. If it has, then + * we skip some of the initialization. + */ + clear_bit(QL_LINK_MASTER, &qdev->flags); + value = ql_read_page0_reg(qdev, &port_regs->portStatus); + if ((value & PORT_STATUS_IC) == 0) { + + /* Chip has not been configured yet, so let it rip. */ + if(ql_init_misc_registers(qdev)) { + status = -1; + goto out; + } + + if (qdev->mac_index) + ql_write_page0_reg(qdev, + &port_regs->mac1MaxFrameLengthReg, + qdev->max_frame_size); + else + ql_write_page0_reg(qdev, + &port_regs->mac0MaxFrameLengthReg, + qdev->max_frame_size); + + value = qdev->nvram_data.tcpMaxWindowSize; + ql_write_page0_reg(qdev, &port_regs->tcpMaxWindow, value); + + value = (0xFFFF << 16) | qdev->nvram_data.extHwConfig; + + if(ql_sem_spinlock(qdev, QL_FLASH_SEM_MASK, + (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) + * 2) << 13)) { + status = -1; + goto out; + } + ql_write_page0_reg(qdev, &port_regs->ExternalHWConfig, value); + ql_write_page0_reg(qdev, &port_regs->InternalChipConfig, + (((INTERNAL_CHIP_SD | INTERNAL_CHIP_WE) << + 16) | (INTERNAL_CHIP_SD | + INTERNAL_CHIP_WE))); + ql_sem_unlock(qdev, QL_FLASH_SEM_MASK); + } + + + if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK, + (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) * + 2) << 7)) { + status = -1; + goto out; + } + + ql_init_scan_mode(qdev); + ql_get_phy_owner(qdev); + + /* Load the MAC Configuration */ + + /* Program lower 32 bits of the MAC address */ + ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg, + (MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16)); + ql_write_page0_reg(qdev, &port_regs->macAddrDataReg, + ((qdev->ndev->dev_addr[2] << 24) + | (qdev->ndev->dev_addr[3] << 16) + | (qdev->ndev->dev_addr[4] << 8) + | qdev->ndev->dev_addr[5])); + + /* Program top 16 bits of the MAC address */ + ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg, + ((MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16) | 1)); + ql_write_page0_reg(qdev, &port_regs->macAddrDataReg, + ((qdev->ndev->dev_addr[0] << 8) + | qdev->ndev->dev_addr[1])); + + /* Enable Primary MAC */ + ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg, + ((MAC_ADDR_INDIRECT_PTR_REG_PE << 16) | + MAC_ADDR_INDIRECT_PTR_REG_PE)); + + /* Clear Primary and Secondary IP addresses */ + ql_write_page0_reg(qdev, &port_regs->ipAddrIndexReg, + ((IP_ADDR_INDEX_REG_MASK << 16) | + (qdev->mac_index << 2))); + ql_write_page0_reg(qdev, &port_regs->ipAddrDataReg, 0); + + ql_write_page0_reg(qdev, &port_regs->ipAddrIndexReg, + ((IP_ADDR_INDEX_REG_MASK << 16) | + ((qdev->mac_index << 2) + 1))); + ql_write_page0_reg(qdev, &port_regs->ipAddrDataReg, 0); + + ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK); + + /* Indicate Configuration Complete */ + ql_write_page0_reg(qdev, + &port_regs->portControl, + ((PORT_CONTROL_CC << 16) | PORT_CONTROL_CC)); + + do { + value = ql_read_page0_reg(qdev, &port_regs->portStatus); + if (value & PORT_STATUS_IC) + break; + msleep(500); + } while (--delay); + + if (delay == 0) { + printk(KERN_ERR PFX + "%s: Hw Initialization timeout.\n", qdev->ndev->name); + status = -1; + goto out; + } + + /* Enable Ethernet Function */ + value = + (PORT_CONTROL_EF | PORT_CONTROL_ET | PORT_CONTROL_EI | + PORT_CONTROL_HH); + ql_write_page0_reg(qdev, &port_regs->portControl, + ((value << 16) | value)); + +out: + return status; +} + +/* + * Caller holds hw_lock. + */ +static int ql_adapter_reset(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + int status = 0; + u16 value; + int max_wait_time; + + set_bit(QL_RESET_ACTIVE, &qdev->flags); + clear_bit(QL_RESET_DONE, &qdev->flags); + + /* + * Issue soft reset to chip. + */ + printk(KERN_DEBUG PFX + "%s: Issue soft reset to chip.\n", + qdev->ndev->name); + ql_write_common_reg(qdev, + &port_regs->CommonRegs.ispControlStatus, + ((ISP_CONTROL_SR << 16) | ISP_CONTROL_SR)); + + /* Wait 3 seconds for reset to complete. */ + printk(KERN_DEBUG PFX + "%s: Wait 10 milliseconds for reset to complete.\n", + qdev->ndev->name); + + /* Wait until the firmware tells us the Soft Reset is done */ + max_wait_time = 5; + do { + value = + ql_read_common_reg(qdev, + &port_regs->CommonRegs.ispControlStatus); + if ((value & ISP_CONTROL_SR) == 0) + break; + + ssleep(1); + } while ((--max_wait_time)); + + /* + * Also, make sure that the Network Reset Interrupt bit has been + * cleared after the soft reset has taken place. + */ + value = + ql_read_common_reg(qdev, &port_regs->CommonRegs.ispControlStatus); + if (value & ISP_CONTROL_RI) { + printk(KERN_DEBUG PFX + "ql_adapter_reset: clearing RI after reset.\n"); + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + ispControlStatus, + ((ISP_CONTROL_RI << 16) | ISP_CONTROL_RI)); + } + + if (max_wait_time == 0) { + /* Issue Force Soft Reset */ + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + ispControlStatus, + ((ISP_CONTROL_FSR << 16) | + ISP_CONTROL_FSR)); + /* + * Wait until the firmware tells us the Force Soft Reset is + * done + */ + max_wait_time = 5; + do { + value = + ql_read_common_reg(qdev, + &port_regs->CommonRegs. + ispControlStatus); + if ((value & ISP_CONTROL_FSR) == 0) { + break; + } + ssleep(1); + } while ((--max_wait_time)); + } + if (max_wait_time == 0) + status = 1; + + clear_bit(QL_RESET_ACTIVE, &qdev->flags); + set_bit(QL_RESET_DONE, &qdev->flags); + return status; +} + +static void ql_set_mac_info(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + u32 value, port_status; + u8 func_number; + + /* Get the function number */ + value = + ql_read_common_reg_l(qdev, &port_regs->CommonRegs.ispControlStatus); + func_number = (u8) ((value >> 4) & OPCODE_FUNC_ID_MASK); + port_status = ql_read_page0_reg(qdev, &port_regs->portStatus); + switch (value & ISP_CONTROL_FN_MASK) { + case ISP_CONTROL_FN0_NET: + qdev->mac_index = 0; + qdev->mac_ob_opcode = OUTBOUND_MAC_IOCB | func_number; + qdev->tcp_ob_opcode = OUTBOUND_TCP_IOCB | func_number; + qdev->update_ob_opcode = UPDATE_NCB_IOCB | func_number; + qdev->mb_bit_mask = FN0_MA_BITS_MASK; + qdev->PHYAddr = PORT0_PHY_ADDRESS; + if (port_status & PORT_STATUS_SM0) + set_bit(QL_LINK_OPTICAL,&qdev->flags); + else + clear_bit(QL_LINK_OPTICAL,&qdev->flags); + break; + + case ISP_CONTROL_FN1_NET: + qdev->mac_index = 1; + qdev->mac_ob_opcode = OUTBOUND_MAC_IOCB | func_number; + qdev->tcp_ob_opcode = OUTBOUND_TCP_IOCB | func_number; + qdev->update_ob_opcode = UPDATE_NCB_IOCB | func_number; + qdev->mb_bit_mask = FN1_MA_BITS_MASK; + qdev->PHYAddr = PORT1_PHY_ADDRESS; + if (port_status & PORT_STATUS_SM1) + set_bit(QL_LINK_OPTICAL,&qdev->flags); + else + clear_bit(QL_LINK_OPTICAL,&qdev->flags); + break; + + case ISP_CONTROL_FN0_SCSI: + case ISP_CONTROL_FN1_SCSI: + default: + printk(KERN_DEBUG PFX + "%s: Invalid function number, ispControlStatus = 0x%x\n", + qdev->ndev->name,value); + break; + } + qdev->numPorts = qdev->nvram_data.numPorts; +} + +static void ql_display_dev_info(struct net_device *ndev) +{ + struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev); + struct pci_dev *pdev = qdev->pdev; + + printk(KERN_INFO PFX + "\n%s Adapter %d RevisionID %d found on PCI slot %d.\n", + DRV_NAME, qdev->index, qdev->chip_rev_id, qdev->pci_slot); + printk(KERN_INFO PFX + "%s Interface.\n", + test_bit(QL_LINK_OPTICAL,&qdev->flags) ? "OPTICAL" : "COPPER"); + + /* + * Print PCI bus width/type. + */ + printk(KERN_INFO PFX + "Bus interface is %s %s.\n", + ((qdev->pci_width == 64) ? "64-bit" : "32-bit"), + ((qdev->pci_x) ? "PCI-X" : "PCI")); + + printk(KERN_INFO PFX + "mem IO base address adjusted = 0x%p\n", + qdev->mem_map_registers); + printk(KERN_INFO PFX "Interrupt number = %d\n", pdev->irq); + + if (netif_msg_probe(qdev)) + printk(KERN_INFO PFX + "%s: MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", + ndev->name, ndev->dev_addr[0], ndev->dev_addr[1], + ndev->dev_addr[2], ndev->dev_addr[3], ndev->dev_addr[4], + ndev->dev_addr[5]); +} + +static int ql_adapter_down(struct ql3_adapter *qdev, int do_reset) +{ + struct net_device *ndev = qdev->ndev; + int retval = 0; + + netif_stop_queue(ndev); + netif_carrier_off(ndev); + + clear_bit(QL_ADAPTER_UP,&qdev->flags); + clear_bit(QL_LINK_MASTER,&qdev->flags); + + ql_disable_interrupts(qdev); + + free_irq(qdev->pdev->irq, ndev); + + if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) { + printk(KERN_INFO PFX + "%s: calling pci_disable_msi().\n", qdev->ndev->name); + clear_bit(QL_MSI_ENABLED,&qdev->flags); + pci_disable_msi(qdev->pdev); + } + + del_timer_sync(&qdev->adapter_timer); + + netif_poll_disable(ndev); + + if (do_reset) { + int soft_reset; + unsigned long hw_flags; + + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + if (ql_wait_for_drvr_lock(qdev)) { + if ((soft_reset = ql_adapter_reset(qdev))) { + printk(KERN_ERR PFX + "%s: ql_adapter_reset(%d) FAILED!\n", + ndev->name, qdev->index); + } + printk(KERN_ERR PFX + "%s: Releaseing driver lock via chip reset.\n",ndev->name); + } else { + printk(KERN_ERR PFX + "%s: Could not acquire driver lock to do " + "reset!\n", ndev->name); + retval = -1; + } + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + } + ql_free_mem_resources(qdev); + return retval; +} + +static int ql_adapter_up(struct ql3_adapter *qdev) +{ + struct net_device *ndev = qdev->ndev; + int err; + unsigned long irq_flags = SA_SAMPLE_RANDOM | SA_SHIRQ; + unsigned long hw_flags; + + if (ql_alloc_mem_resources(qdev)) { + printk(KERN_ERR PFX + "%s Unable to allocate buffers.\n", ndev->name); + return -ENOMEM; + } + + if (qdev->msi) { + if (pci_enable_msi(qdev->pdev)) { + printk(KERN_ERR PFX + "%s: User requested MSI, but MSI failed to " + "initialize. Continuing without MSI.\n", + qdev->ndev->name); + qdev->msi = 0; + } else { + printk(KERN_INFO PFX "%s: MSI Enabled...\n", qdev->ndev->name); + set_bit(QL_MSI_ENABLED,&qdev->flags); + irq_flags &= ~SA_SHIRQ; + } + } + + if ((err = request_irq(qdev->pdev->irq, + ql3xxx_isr, + irq_flags, ndev->name, ndev))) { + printk(KERN_ERR PFX + "%s: Failed to reserve interrupt %d already in use.\n", + ndev->name, qdev->pdev->irq); + goto err_irq; + } + + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + + if ((err = ql_wait_for_drvr_lock(qdev))) { + if ((err = ql_adapter_initialize(qdev))) { + printk(KERN_ERR PFX + "%s: Unable to initialize adapter.\n", + ndev->name); + goto err_init; + } + printk(KERN_ERR PFX + "%s: Releaseing driver lock.\n",ndev->name); + ql_sem_unlock(qdev, QL_DRVR_SEM_MASK); + } else { + printk(KERN_ERR PFX + "%s: Could not aquire driver lock.\n", + ndev->name); + goto err_lock; + } + + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + + set_bit(QL_ADAPTER_UP,&qdev->flags); + + mod_timer(&qdev->adapter_timer, jiffies + HZ * 1); + + netif_poll_enable(ndev); + ql_enable_interrupts(qdev); + return 0; + +err_init: + ql_sem_unlock(qdev, QL_DRVR_SEM_MASK); +err_lock: + free_irq(qdev->pdev->irq, ndev); +err_irq: + if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) { + printk(KERN_INFO PFX + "%s: calling pci_disable_msi().\n", + qdev->ndev->name); + clear_bit(QL_MSI_ENABLED,&qdev->flags); + pci_disable_msi(qdev->pdev); + } + return err; +} + +static int ql_cycle_adapter(struct ql3_adapter *qdev, int reset) +{ + if( ql_adapter_down(qdev,reset) || ql_adapter_up(qdev)) { + printk(KERN_ERR PFX + "%s: Driver up/down cycle failed, " + "closing device\n",qdev->ndev->name); + dev_close(qdev->ndev); + return -1; + } + return 0; +} + +static int ql3xxx_close(struct net_device *ndev) +{ + struct ql3_adapter *qdev = netdev_priv(ndev); + + /* + * Wait for device to recover from a reset. + * (Rarely happens, but possible.) + */ + while (!test_bit(QL_ADAPTER_UP,&qdev->flags)) + msleep(50); + + ql_adapter_down(qdev,QL_DO_RESET); + return 0; +} + +static int ql3xxx_open(struct net_device *ndev) +{ + struct ql3_adapter *qdev = netdev_priv(ndev); + return (ql_adapter_up(qdev)); +} + +static struct net_device_stats *ql3xxx_get_stats(struct net_device *dev) +{ + struct ql3_adapter *qdev = (struct ql3_adapter *)dev->priv; + return &qdev->stats; +} + +static int ql3xxx_change_mtu(struct net_device *ndev, int new_mtu) +{ + struct ql3_adapter *qdev = netdev_priv(ndev); + printk(KERN_ERR PFX "%s: new mtu size = %d.\n", ndev->name, new_mtu); + if (new_mtu != NORMAL_MTU_SIZE && new_mtu != JUMBO_MTU_SIZE) { + printk(KERN_ERR PFX + "%s: mtu size of %d is not valid. Use exactly %d or " + "%d.\n", ndev->name, new_mtu, NORMAL_MTU_SIZE, + JUMBO_MTU_SIZE); + return -EINVAL; + } + + if (!netif_running(ndev)) { + ndev->mtu = new_mtu; + return 0; + } + + ndev->mtu = new_mtu; + return ql_cycle_adapter(qdev,QL_DO_RESET); +} + +static void ql3xxx_set_multicast_list(struct net_device *ndev) +{ + /* + * We are manually parsing the list in the net_device structure. + */ + return; +} + +static int ql3xxx_set_mac_address(struct net_device *ndev, void *p) +{ + struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev); + struct ql3xxx_port_registers __iomem *port_regs = + qdev->mem_map_registers; + struct sockaddr *addr = p; + unsigned long hw_flags; + + if (netif_running(ndev)) + return -EBUSY; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len); + + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + /* Program lower 32 bits of the MAC address */ + ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg, + (MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16)); + ql_write_page0_reg(qdev, &port_regs->macAddrDataReg, + ((ndev->dev_addr[2] << 24) | (ndev-> + dev_addr[3] << 16) | + (ndev->dev_addr[4] << 8) | ndev->dev_addr[5])); + + /* Program top 16 bits of the MAC address */ + ql_write_page0_reg(qdev, &port_regs->macAddrIndirectPtrReg, + ((MAC_ADDR_INDIRECT_PTR_REG_RP_MASK << 16) | 1)); + ql_write_page0_reg(qdev, &port_regs->macAddrDataReg, + ((ndev->dev_addr[0] << 8) | ndev->dev_addr[1])); + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + + return 0; +} + +static void ql3xxx_tx_timeout(struct net_device *ndev) +{ + struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev); + + printk(KERN_ERR PFX "%s: Resetting...\n", ndev->name); + /* + * Stop the queues, we've got a problem. + */ + netif_stop_queue(ndev); + + /* + * Wake up the worker to process this event. + */ + queue_work(qdev->workqueue, &qdev->tx_timeout_work); +} + +static void ql_reset_work(struct ql3_adapter *qdev) +{ + struct net_device *ndev = qdev->ndev; + u32 value; + struct ql_tx_buf_cb *tx_cb; + int max_wait_time, i; + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + unsigned long hw_flags; + + if (test_bit((QL_RESET_PER_SCSI | QL_RESET_START),&qdev->flags)) { + clear_bit(QL_LINK_MASTER,&qdev->flags); + + /* + * Loop through the active list and return the skb. + */ + for (i = 0; i < NUM_REQ_Q_ENTRIES; i++) { + tx_cb = &qdev->tx_buf[i]; + if (tx_cb->skb) { + + printk(KERN_DEBUG PFX + "%s: Freeing lost SKB.\n", + qdev->ndev->name); + pci_unmap_single(qdev->pdev, + pci_unmap_addr(tx_cb, mapaddr), + pci_unmap_len(tx_cb, maplen), PCI_DMA_TODEVICE); + dev_kfree_skb(tx_cb->skb); + tx_cb->skb = NULL; + } + } + + printk(KERN_ERR PFX + "%s: Clearing NRI after reset.\n", qdev->ndev->name); + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + ql_write_common_reg(qdev, + &port_regs->CommonRegs. + ispControlStatus, + ((ISP_CONTROL_RI << 16) | ISP_CONTROL_RI)); + /* + * Wait the for Soft Reset to Complete. + */ + max_wait_time = 10; + do { + value = ql_read_common_reg(qdev, + &port_regs->CommonRegs. + + ispControlStatus); + if ((value & ISP_CONTROL_SR) == 0) { + printk(KERN_DEBUG PFX + "%s: reset completed.\n", + qdev->ndev->name); + break; + } + + if (value & ISP_CONTROL_RI) { + printk(KERN_DEBUG PFX + "%s: clearing NRI after reset.\n", + qdev->ndev->name); + ql_write_common_reg(qdev, + &port_regs-> + CommonRegs. + ispControlStatus, + ((ISP_CONTROL_RI << + 16) | ISP_CONTROL_RI)); + } + + ssleep(1); + } while (--max_wait_time); + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + + if (value & ISP_CONTROL_SR) { + + /* + * Set the reset flags and clear the board again. + * Nothing else to do... + */ + printk(KERN_ERR PFX + "%s: Timed out waiting for reset to " + "complete.\n", ndev->name); + printk(KERN_ERR PFX + "%s: Do a reset.\n", ndev->name); + clear_bit(QL_RESET_PER_SCSI,&qdev->flags); + clear_bit(QL_RESET_START,&qdev->flags); + ql_cycle_adapter(qdev,QL_DO_RESET); + return; + } + + clear_bit(QL_RESET_ACTIVE,&qdev->flags); + clear_bit(QL_RESET_PER_SCSI,&qdev->flags); + clear_bit(QL_RESET_START,&qdev->flags); + ql_cycle_adapter(qdev,QL_NO_RESET); + } +} + +static void ql_tx_timeout_work(struct ql3_adapter *qdev) +{ + ql_cycle_adapter(qdev,QL_DO_RESET); +} + +static void ql_get_board_info(struct ql3_adapter *qdev) +{ + struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers; + u32 value; + + value = ql_read_page0_reg_l(qdev, &port_regs->portStatus); + + qdev->chip_rev_id = ((value & PORT_STATUS_REV_ID_MASK) >> 12); + if (value & PORT_STATUS_64) + qdev->pci_width = 64; + else + qdev->pci_width = 32; + if (value & PORT_STATUS_X) + qdev->pci_x = 1; + else + qdev->pci_x = 0; + qdev->pci_slot = (u8) PCI_SLOT(qdev->pdev->devfn); +} + +static void ql3xxx_timer(unsigned long ptr) +{ + struct ql3_adapter *qdev = (struct ql3_adapter *)ptr; + + if (test_bit(QL_RESET_ACTIVE,&qdev->flags)) { + printk(KERN_DEBUG PFX + "%s: Reset in progress.\n", + qdev->ndev->name); + goto end; + } + + ql_link_state_machine(qdev); + + /* Restart timer on 2 second interval. */ +end: + mod_timer(&qdev->adapter_timer, jiffies + HZ * 1); +} + +static int __devinit ql3xxx_probe(struct pci_dev *pdev, + const struct pci_device_id *pci_entry) +{ + struct net_device *ndev = NULL; + struct ql3_adapter *qdev = NULL; + static int cards_found = 0; + int pci_using_dac, err; + + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR PFX "%s cannot enable PCI device\n", + pci_name(pdev)); + goto err_out; + } + + err = pci_request_regions(pdev, DRV_NAME); + if (err) { + printk(KERN_ERR PFX "%s cannot obtain PCI resources\n", + pci_name(pdev)); + goto err_out_disable_pdev; + } + + pci_set_master(pdev); + + if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { + pci_using_dac = 1; + err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); + } else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) { + pci_using_dac = 0; + err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + } + + if (err) { + printk(KERN_ERR PFX "%s no usable DMA configuration\n", + pci_name(pdev)); + goto err_out_free_regions; + } + + ndev = alloc_etherdev(sizeof(struct ql3_adapter)); + if (!ndev) + goto err_out_free_regions; + + SET_MODULE_OWNER(ndev); + SET_NETDEV_DEV(ndev, &pdev->dev); + + ndev->features = NETIF_F_LLTX; + if (pci_using_dac) + ndev->features |= NETIF_F_HIGHDMA; + + pci_set_drvdata(pdev, ndev); + + qdev = netdev_priv(ndev); + qdev->index = cards_found; + qdev->ndev = ndev; + qdev->pdev = pdev; + qdev->port_link_state = LS_DOWN; + if (msi) + qdev->msi = 1; + + qdev->msg_enable = netif_msg_init(debug, default_msg); + + qdev->mem_map_registers = + ioremap_nocache(pci_resource_start(pdev, 1), + pci_resource_len(qdev->pdev, 1)); + if (!qdev->mem_map_registers) { + printk(KERN_ERR PFX "%s: cannot map device registers\n", + pci_name(pdev)); + goto err_out_free_ndev; + } + + spin_lock_init(&qdev->adapter_lock); + spin_lock_init(&qdev->hw_lock); + + /* Set driver entry points */ + ndev->open = ql3xxx_open; + ndev->hard_start_xmit = ql3xxx_send; + ndev->stop = ql3xxx_close; + ndev->get_stats = ql3xxx_get_stats; + ndev->change_mtu = ql3xxx_change_mtu; + ndev->set_multicast_list = ql3xxx_set_multicast_list; + SET_ETHTOOL_OPS(ndev, &ql3xxx_ethtool_ops); + ndev->set_mac_address = ql3xxx_set_mac_address; + ndev->tx_timeout = ql3xxx_tx_timeout; + ndev->watchdog_timeo = 5 * HZ; + + ndev->poll = &ql_poll; + ndev->weight = 64; + + ndev->irq = pdev->irq; + + /* make sure the EEPROM is good */ + if (ql_get_nvram_params(qdev)) { + printk(KERN_ALERT PFX + "ql3xxx_probe: Adapter #%d, Invalid NVRAM parameters.\n", + qdev->index); + goto err_out_iounmap; + } + + ql_set_mac_info(qdev); + + /* Validate and set parameters */ + if (qdev->mac_index) { + memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn2.macAddress, + ETH_ALEN); + } else { + memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn0.macAddress, + ETH_ALEN); + } + memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len); + + ndev->tx_queue_len = NUM_REQ_Q_ENTRIES; + + /* Turn off support for multicasting */ + ndev->flags &= ~IFF_MULTICAST; + + /* Record PCI bus information. */ + ql_get_board_info(qdev); + + /* + * Set the Maximum Memory Read Byte Count value. We do this to handle + * jumbo frames. + */ + if (qdev->pci_x) { + pci_write_config_word(pdev, (int)0x4e, (u16) 0x0036); + } + + err = register_netdev(ndev); + if (err) { + printk(KERN_ERR PFX "%s: cannot register net device\n", + pci_name(pdev)); + goto err_out_iounmap; + } + + /* we're going to reset, so assume we have no link for now */ + + netif_carrier_off(ndev); + netif_stop_queue(ndev); + + qdev->workqueue = create_singlethread_workqueue(ndev->name); + INIT_WORK(&qdev->reset_work, (void (*)(void *))ql_reset_work, qdev); + INIT_WORK(&qdev->tx_timeout_work, + (void (*)(void *))ql_tx_timeout_work, qdev); + + init_timer(&qdev->adapter_timer); + qdev->adapter_timer.function = ql3xxx_timer; + qdev->adapter_timer.expires = jiffies + HZ * 2; /* two second delay */ + qdev->adapter_timer.data = (unsigned long)qdev; + + if(!cards_found) { + printk(KERN_ALERT PFX "%s\n", DRV_STRING); + printk(KERN_ALERT PFX "Driver name: %s, Version: %s.\n", + DRV_NAME, DRV_VERSION); + } + ql_display_dev_info(ndev); + + cards_found++; + return 0; + +err_out_iounmap: + iounmap(qdev->mem_map_registers); +err_out_free_ndev: + free_netdev(ndev); +err_out_free_regions: + pci_release_regions(pdev); +err_out_disable_pdev: + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); +err_out: + return err; +} + +static void __devexit ql3xxx_remove(struct pci_dev *pdev) +{ + struct net_device *ndev = pci_get_drvdata(pdev); + struct ql3_adapter *qdev = netdev_priv(ndev); + + unregister_netdev(ndev); + qdev = netdev_priv(ndev); + + ql_disable_interrupts(qdev); + + if (qdev->workqueue) { + cancel_delayed_work(&qdev->reset_work); + cancel_delayed_work(&qdev->tx_timeout_work); + destroy_workqueue(qdev->workqueue); + qdev->workqueue = NULL; + } + + iounmap(qdev->mem_map_registers); + pci_release_regions(pdev); + pci_set_drvdata(pdev, NULL); + free_netdev(ndev); +} + +static struct pci_driver ql3xxx_driver = { + + .name = DRV_NAME, + .id_table = ql3xxx_pci_tbl, + .probe = ql3xxx_probe, + .remove = __devexit_p(ql3xxx_remove), +}; + +static int __init ql3xxx_init_module(void) +{ + return pci_register_driver(&ql3xxx_driver); +} + +static void __exit ql3xxx_exit(void) +{ + pci_unregister_driver(&ql3xxx_driver); +} + +module_init(ql3xxx_init_module); +module_exit(ql3xxx_exit); |