X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fnet%2Fdefxx.c;h=5acd35c312acb0734b91fc9a6983224a7f517e78;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=85d1bb3a9865da2581ade75a2c2eebd69890a304;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git diff --git a/drivers/net/defxx.c b/drivers/net/defxx.c index 85d1bb3a9..5acd35c31 100644 --- a/drivers/net/defxx.c +++ b/drivers/net/defxx.c @@ -19,7 +19,7 @@ * LVS Lawrence V. Stefani * * Maintainers: - * macro Maciej W. Rozycki + * macro Maciej W. Rozycki * * Credits: * I'd like to thank Patricia Cross for helping me get started with @@ -190,6 +190,8 @@ * Feb 2001 Skb allocation fixes * Feb 2001 davej PCI enable cleanups. * 04 Aug 2003 macro Converted to the DMA API. + * 14 Aug 2004 macro Fix device names reported. + * 14 Jun 2005 macro Use irqreturn_t. */ /* Include files */ @@ -207,19 +209,21 @@ #include #include #include +#include #include -#include #include #include "defxx.h" -/* Version information string - should be updated prior to each new release!!! */ +/* Version information string should be updated prior to each new release! */ +#define DRV_NAME "defxx" +#define DRV_VERSION "v1.08" +#define DRV_RELDATE "2005/06/14" static char version[] __devinitdata = - "defxx.c:v1.06 2003/08/04 Lawrence V. Stefani and others\n"; - -#define DRV_NAME "defxx" + DRV_NAME ": " DRV_VERSION " " DRV_RELDATE + " Lawrence V. Stefani and others\n"; #define DYNAMIC_BUFFERS 1 @@ -235,7 +239,7 @@ static char version[] __devinitdata = static void dfx_bus_init(struct net_device *dev); static void dfx_bus_config_check(DFX_board_t *bp); -static int dfx_driver_init(struct net_device *dev); +static int dfx_driver_init(struct net_device *dev, const char *print_name); static int dfx_adap_init(DFX_board_t *bp, int get_buffers); static int dfx_open(struct net_device *dev); @@ -244,7 +248,8 @@ static int dfx_close(struct net_device *dev); static void dfx_int_pr_halt_id(DFX_board_t *bp); static void dfx_int_type_0_process(DFX_board_t *bp); static void dfx_int_common(struct net_device *dev); -static void dfx_interrupt(int irq, void *dev_id, struct pt_regs *regs); +static irqreturn_t dfx_interrupt(int irq, void *dev_id, + struct pt_regs *regs); static struct net_device_stats *dfx_ctl_get_stats(struct net_device *dev); static void dfx_ctl_set_multicast_list(struct net_device *dev); @@ -404,24 +409,25 @@ static inline void dfx_port_read_long( */ static int __devinit dfx_init_one_pci_or_eisa(struct pci_dev *pdev, long ioaddr) { + static int version_disp; + char *print_name = DRV_NAME; struct net_device *dev; DFX_board_t *bp; /* board pointer */ int alloc_size; /* total buffer size used */ int err; -#ifndef MODULE - static int version_disp; - - if (!version_disp) /* display version info if adapter is found */ - { + if (!version_disp) { /* display version info if adapter is found */ version_disp = 1; /* set display flag to TRUE so that */ printk(version); /* we only display this string ONCE */ } -#endif + + if (pdev != NULL) + print_name = pci_name(pdev); dev = alloc_fddidev(sizeof(*bp)); if (!dev) { - printk (KERN_ERR "defxx: unable to allocate fddidev, aborting\n"); + printk(KERN_ERR "%s: unable to allocate fddidev, aborting\n", + print_name); return -ENOMEM; } @@ -433,13 +439,17 @@ static int __devinit dfx_init_one_pci_or_eisa(struct pci_dev *pdev, long ioaddr) } SET_MODULE_OWNER(dev); - SET_NETDEV_DEV(dev, &pdev->dev); + if (pdev != NULL) + SET_NETDEV_DEV(dev, &pdev->dev); bp = dev->priv; - if (!request_region (ioaddr, pdev ? PFI_K_CSR_IO_LEN : PI_ESIC_K_CSR_IO_LEN, DRV_NAME)) { - printk (KERN_ERR "%s: Cannot reserve I/O resource 0x%x @ 0x%lx, aborting\n", - DRV_NAME, PFI_K_CSR_IO_LEN, ioaddr); + if (!request_region(ioaddr, + pdev ? PFI_K_CSR_IO_LEN : PI_ESIC_K_CSR_IO_LEN, + print_name)) { + printk(KERN_ERR "%s: Cannot reserve I/O resource " + "0x%x @ 0x%lx, aborting\n", print_name, + pdev ? PFI_K_CSR_IO_LEN : PI_ESIC_K_CSR_IO_LEN, ioaddr); err = -EBUSY; goto err_out; } @@ -468,7 +478,7 @@ static int __devinit dfx_init_one_pci_or_eisa(struct pci_dev *pdev, long ioaddr) pci_set_master (pdev); } - if (dfx_driver_init(dev) != DFX_K_SUCCESS) { + if (dfx_driver_init(dev, print_name) != DFX_K_SUCCESS) { err = -ENODEV; goto err_out_region; } @@ -477,6 +487,7 @@ static int __devinit dfx_init_one_pci_or_eisa(struct pci_dev *pdev, long ioaddr) if (err) goto err_out_kfree; + printk("%s: registered as %s\n", print_name, dev->name); return 0; err_out_kfree: @@ -770,6 +781,7 @@ static void __devinit dfx_bus_config_check(DFX_board_t *bp) * * Arguments: * dev - pointer to device information + * print_name - printable device name * * Functional Description: * This function allocates additional resources such as the host memory @@ -792,7 +804,8 @@ static void __devinit dfx_bus_config_check(DFX_board_t *bp) * returning from this routine. */ -static int __devinit dfx_driver_init(struct net_device *dev) +static int __devinit dfx_driver_init(struct net_device *dev, + const char *print_name) { DFX_board_t *bp = dev->priv; int alloc_size; /* total buffer size needed */ @@ -841,26 +854,20 @@ static int __devinit dfx_driver_init(struct net_device *dev) /* Read the factory MAC address from the adapter then save it */ - if (dfx_hw_port_ctrl_req(bp, - PI_PCTRL_M_MLA, - PI_PDATA_A_MLA_K_LO, - 0, - &data) != DFX_K_SUCCESS) - { - printk("%s: Could not read adapter factory MAC address!\n", dev->name); + if (dfx_hw_port_ctrl_req(bp, PI_PCTRL_M_MLA, PI_PDATA_A_MLA_K_LO, 0, + &data) != DFX_K_SUCCESS) { + printk("%s: Could not read adapter factory MAC address!\n", + print_name); return(DFX_K_FAILURE); - } + } memcpy(&bp->factory_mac_addr[0], &data, sizeof(u32)); - if (dfx_hw_port_ctrl_req(bp, - PI_PCTRL_M_MLA, - PI_PDATA_A_MLA_K_HI, - 0, - &data) != DFX_K_SUCCESS) - { - printk("%s: Could not read adapter factory MAC address!\n", dev->name); + if (dfx_hw_port_ctrl_req(bp, PI_PCTRL_M_MLA, PI_PDATA_A_MLA_K_HI, 0, + &data) != DFX_K_SUCCESS) { + printk("%s: Could not read adapter factory MAC address!\n", + print_name); return(DFX_K_FAILURE); - } + } memcpy(&bp->factory_mac_addr[4], &data, sizeof(u16)); /* @@ -872,27 +879,19 @@ static int __devinit dfx_driver_init(struct net_device *dev) memcpy(dev->dev_addr, bp->factory_mac_addr, FDDI_K_ALEN); if (bp->bus_type == DFX_BUS_TYPE_EISA) - printk("%s: DEFEA at I/O addr = 0x%lX, IRQ = %d, Hardware addr = %02X-%02X-%02X-%02X-%02X-%02X\n", - dev->name, - dev->base_addr, - dev->irq, - dev->dev_addr[0], - dev->dev_addr[1], - dev->dev_addr[2], - dev->dev_addr[3], - dev->dev_addr[4], - dev->dev_addr[5]); + printk("%s: DEFEA at I/O addr = 0x%lX, IRQ = %d, " + "Hardware addr = %02X-%02X-%02X-%02X-%02X-%02X\n", + print_name, dev->base_addr, dev->irq, + dev->dev_addr[0], dev->dev_addr[1], + dev->dev_addr[2], dev->dev_addr[3], + dev->dev_addr[4], dev->dev_addr[5]); else - printk("%s: DEFPA at I/O addr = 0x%lX, IRQ = %d, Hardware addr = %02X-%02X-%02X-%02X-%02X-%02X\n", - dev->name, - dev->base_addr, - dev->irq, - dev->dev_addr[0], - dev->dev_addr[1], - dev->dev_addr[2], - dev->dev_addr[3], - dev->dev_addr[4], - dev->dev_addr[5]); + printk("%s: DEFPA at I/O addr = 0x%lX, IRQ = %d, " + "Hardware addr = %02X-%02X-%02X-%02X-%02X-%02X\n", + print_name, dev->base_addr, dev->irq, + dev->dev_addr[0], dev->dev_addr[1], + dev->dev_addr[2], dev->dev_addr[3], + dev->dev_addr[4], dev->dev_addr[5]); /* * Get memory for descriptor block, consumer block, and other buffers @@ -909,11 +908,11 @@ static int __devinit dfx_driver_init(struct net_device *dev) (PI_ALIGN_K_DESC_BLK - 1); bp->kmalloced = top_v = pci_alloc_consistent(bp->pci_dev, alloc_size, &bp->kmalloced_dma); - if (top_v == NULL) - { - printk("%s: Could not allocate memory for host buffers and structures!\n", dev->name); + if (top_v == NULL) { + printk("%s: Could not allocate memory for host buffers " + "and structures!\n", print_name); return(DFX_K_FAILURE); - } + } memset(top_v, 0, alloc_size); /* zero out memory before continuing */ top_p = bp->kmalloced_dma; /* get physical address of buffer */ @@ -970,14 +969,20 @@ static int __devinit dfx_driver_init(struct net_device *dev) /* Display virtual and physical addresses if debug driver */ - DBG_printk("%s: Descriptor block virt = %0lX, phys = %0X\n", dev->name, (long)bp->descr_block_virt, bp->descr_block_phys); - DBG_printk("%s: Command Request buffer virt = %0lX, phys = %0X\n", dev->name, (long)bp->cmd_req_virt, bp->cmd_req_phys); - DBG_printk("%s: Command Response buffer virt = %0lX, phys = %0X\n", dev->name, (long)bp->cmd_rsp_virt, bp->cmd_rsp_phys); - DBG_printk("%s: Receive buffer block virt = %0lX, phys = %0X\n", dev->name, (long)bp->rcv_block_virt, bp->rcv_block_phys); - DBG_printk("%s: Consumer block virt = %0lX, phys = %0X\n", dev->name, (long)bp->cons_block_virt, bp->cons_block_phys); + DBG_printk("%s: Descriptor block virt = %0lX, phys = %0X\n", + print_name, + (long)bp->descr_block_virt, bp->descr_block_phys); + DBG_printk("%s: Command Request buffer virt = %0lX, phys = %0X\n", + print_name, (long)bp->cmd_req_virt, bp->cmd_req_phys); + DBG_printk("%s: Command Response buffer virt = %0lX, phys = %0X\n", + print_name, (long)bp->cmd_rsp_virt, bp->cmd_rsp_phys); + DBG_printk("%s: Receive buffer block virt = %0lX, phys = %0X\n", + print_name, (long)bp->rcv_block_virt, bp->rcv_block_phys); + DBG_printk("%s: Consumer block virt = %0lX, phys = %0X\n", + print_name, (long)bp->cons_block_virt, bp->cons_block_phys); return(DFX_K_SUCCESS); - } +} /* @@ -1223,7 +1228,7 @@ static int dfx_open(struct net_device *dev) /* Register IRQ - support shared interrupts by passing device ptr */ - ret = request_irq(dev->irq, (void *)dfx_interrupt, SA_SHIRQ, dev->name, dev); + ret = request_irq(dev->irq, dfx_interrupt, SA_SHIRQ, dev->name, dev); if (ret) { printk(KERN_ERR "%s: Requested IRQ %d is busy\n", dev->name, dev->irq); return ret; @@ -1678,13 +1683,13 @@ static void dfx_int_common(struct net_device *dev) * ================= * = dfx_interrupt = * ================= - * + * * Overview: * Interrupt processing routine - * + * * Returns: - * None - * + * Whether a valid interrupt was seen. + * * Arguments: * irq - interrupt vector * dev_id - pointer to device information @@ -1697,7 +1702,8 @@ static void dfx_int_common(struct net_device *dev) * structure context. * * Return Codes: - * None + * IRQ_HANDLED - an IRQ was handled. + * IRQ_NONE - no IRQ was handled. * * Assumptions: * The interrupt acknowledgement at the hardware level (eg. ACKing the PIC @@ -1710,60 +1716,70 @@ static void dfx_int_common(struct net_device *dev) * Interrupts are disabled, then reenabled at the adapter. */ -static void dfx_interrupt(int irq, void *dev_id, struct pt_regs *regs) - { +static irqreturn_t dfx_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ struct net_device *dev = dev_id; DFX_board_t *bp; /* private board structure pointer */ - u8 tmp; /* used for disabling/enabling ints */ /* Get board pointer only if device structure is valid */ bp = dev->priv; - spin_lock(&bp->lock); - /* See if we're already servicing an interrupt */ /* Service adapter interrupts */ - if (bp->bus_type == DFX_BUS_TYPE_PCI) - { - /* Disable PDQ-PFI interrupts at PFI */ + if (bp->bus_type == DFX_BUS_TYPE_PCI) { + u32 status; - dfx_port_write_long(bp, PFI_K_REG_MODE_CTRL, PFI_MODE_M_DMA_ENB); + dfx_port_read_long(bp, PFI_K_REG_STATUS, &status); + if (!(status & PFI_STATUS_M_PDQ_INT)) + return IRQ_NONE; - /* Call interrupt service routine for this adapter */ + spin_lock(&bp->lock); + /* Disable PDQ-PFI interrupts at PFI */ + dfx_port_write_long(bp, PFI_K_REG_MODE_CTRL, + PFI_MODE_M_DMA_ENB); + + /* Call interrupt service routine for this adapter */ dfx_int_common(dev); /* Clear PDQ interrupt status bit and reenable interrupts */ - - dfx_port_write_long(bp, PFI_K_REG_STATUS, PFI_STATUS_M_PDQ_INT); + dfx_port_write_long(bp, PFI_K_REG_STATUS, + PFI_STATUS_M_PDQ_INT); dfx_port_write_long(bp, PFI_K_REG_MODE_CTRL, - (PFI_MODE_M_PDQ_INT_ENB + PFI_MODE_M_DMA_ENB)); - } - else - { - /* Disable interrupts at the ESIC */ + (PFI_MODE_M_PDQ_INT_ENB | + PFI_MODE_M_DMA_ENB)); - dfx_port_read_byte(bp, PI_ESIC_K_IO_CONFIG_STAT_0, &tmp); - tmp &= ~PI_CONFIG_STAT_0_M_INT_ENB; - dfx_port_write_byte(bp, PI_ESIC_K_IO_CONFIG_STAT_0, tmp); + spin_unlock(&bp->lock); + } else { + u8 status; - /* Call interrupt service routine for this adapter */ + dfx_port_read_byte(bp, PI_ESIC_K_IO_CONFIG_STAT_0, &status); + if (!(status & PI_CONFIG_STAT_0_M_PEND)) + return IRQ_NONE; + + spin_lock(&bp->lock); + + /* Disable interrupts at the ESIC */ + status &= ~PI_CONFIG_STAT_0_M_INT_ENB; + dfx_port_write_byte(bp, PI_ESIC_K_IO_CONFIG_STAT_0, status); + /* Call interrupt service routine for this adapter */ dfx_int_common(dev); /* Reenable interrupts at the ESIC */ + dfx_port_read_byte(bp, PI_ESIC_K_IO_CONFIG_STAT_0, &status); + status |= PI_CONFIG_STAT_0_M_INT_ENB; + dfx_port_write_byte(bp, PI_ESIC_K_IO_CONFIG_STAT_0, status); - dfx_port_read_byte(bp, PI_ESIC_K_IO_CONFIG_STAT_0, &tmp); - tmp |= PI_CONFIG_STAT_0_M_INT_ENB; - dfx_port_write_byte(bp, PI_ESIC_K_IO_CONFIG_STAT_0, tmp); - } - - spin_unlock(&bp->lock); + spin_unlock(&bp->lock); } + return IRQ_HANDLED; +} + /* * ===================== @@ -2668,12 +2684,12 @@ static int dfx_hw_dma_uninit(DFX_board_t *bp, PI_UINT32 type) static void my_skb_align(struct sk_buff *skb, int n) { - unsigned long x=(unsigned long)skb->data; + unsigned long x = (unsigned long)skb->data; unsigned long v; - v=(x+n-1)&~(n-1); /* Where we want to be */ + v = ALIGN(x, n); /* Where we want to be */ - skb_reserve(skb, v-x); + skb_reserve(skb, v - x); } @@ -3428,11 +3444,6 @@ static int __init dfx_init(void) { int rc_pci, rc_eisa; -/* when a module, this is printed whether or not devices are found in probe */ -#ifdef MODULE - printk(version); -#endif - rc_pci = pci_module_init(&dfx_driver); if (rc_pci >= 0) dfx_have_pci = 1; @@ -3453,6 +3464,9 @@ static void __exit dfx_cleanup(void) module_init(dfx_init); module_exit(dfx_cleanup); +MODULE_AUTHOR("Lawrence V. Stefani"); +MODULE_DESCRIPTION("DEC FDDIcontroller EISA/PCI (DEFEA/DEFPA) driver " + DRV_VERSION " " DRV_RELDATE); MODULE_LICENSE("GPL");