diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/forcedeth.c | 67 |
1 files changed, 45 insertions, 22 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 6ee3e8d5a04..e69a043c473 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -761,8 +761,10 @@ static int max_interrupt_work = 5; * Throughput Mode: Every tx and rx packet will generate an interrupt. * CPU Mode: Interrupts are controlled by a timer. */ -#define NV_OPTIMIZATION_MODE_THROUGHPUT 0 -#define NV_OPTIMIZATION_MODE_CPU 1 +enum { + NV_OPTIMIZATION_MODE_THROUGHPUT, + NV_OPTIMIZATION_MODE_CPU +}; static int optimization_mode = NV_OPTIMIZATION_MODE_THROUGHPUT; /* @@ -775,14 +777,31 @@ static int optimization_mode = NV_OPTIMIZATION_MODE_THROUGHPUT; static int poll_interval = -1; /* - * Disable MSI interrupts + * MSI interrupts */ -static int disable_msi = 0; +enum { + NV_MSI_INT_DISABLED, + NV_MSI_INT_ENABLED +}; +static int msi = NV_MSI_INT_ENABLED; /* - * Disable MSIX interrupts + * MSIX interrupts */ -static int disable_msix = 0; +enum { + NV_MSIX_INT_DISABLED, + NV_MSIX_INT_ENABLED +}; +static int msix = NV_MSIX_INT_ENABLED; + +/* + * DMA 64bit + */ +enum { + NV_DMA_64BIT_DISABLED, + NV_DMA_64BIT_ENABLED +}; +static int dma_64bit = NV_DMA_64BIT_ENABLED; static inline struct fe_priv *get_nvpriv(struct net_device *dev) { @@ -4115,16 +4134,18 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i /* packet format 3: supports 40-bit addressing */ np->desc_ver = DESC_VER_3; np->txrxctl_bits = NVREG_TXRXCTL_DESC_3; - if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) { - printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n", - pci_name(pci_dev)); - } else { - dev->features |= NETIF_F_HIGHDMA; - printk(KERN_INFO "forcedeth: using HIGHDMA\n"); - } - if (pci_set_consistent_dma_mask(pci_dev, 0x0000007fffffffffULL)) { - printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed for device %s.\n", - pci_name(pci_dev)); + if (dma_64bit) { + if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) { + printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n", + pci_name(pci_dev)); + } else { + dev->features |= NETIF_F_HIGHDMA; + printk(KERN_INFO "forcedeth: using HIGHDMA\n"); + } + if (pci_set_consistent_dma_mask(pci_dev, DMA_39BIT_MASK)) { + printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed, using 32-bit ring buffers for device %s.\n", + pci_name(pci_dev)); + } } } else if (id->driver_data & DEV_HAS_LARGEDESC) { /* packet format 2: supports jumbo frames */ @@ -4157,10 +4178,10 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i } np->msi_flags = 0; - if ((id->driver_data & DEV_HAS_MSI) && !disable_msi) { + if ((id->driver_data & DEV_HAS_MSI) && msi) { np->msi_flags |= NV_MSI_CAPABLE; } - if ((id->driver_data & DEV_HAS_MSI_X) && !disable_msix) { + if ((id->driver_data & DEV_HAS_MSI_X) && msix) { np->msi_flags |= NV_MSI_X_CAPABLE; } @@ -4473,10 +4494,12 @@ module_param(optimization_mode, int, 0); MODULE_PARM_DESC(optimization_mode, "In throughput mode (0), every tx & rx packet will generate an interrupt. In CPU mode (1), interrupts are controlled by a timer."); module_param(poll_interval, int, 0); MODULE_PARM_DESC(poll_interval, "Interval determines how frequent timer interrupt is generated by [(time_in_micro_secs * 100) / (2^10)]. Min is 0 and Max is 65535."); -module_param(disable_msi, int, 0); -MODULE_PARM_DESC(disable_msi, "Disable MSI interrupts by setting to 1."); -module_param(disable_msix, int, 0); -MODULE_PARM_DESC(disable_msix, "Disable MSIX interrupts by setting to 1."); +module_param(msi, int, 0); +MODULE_PARM_DESC(msi, "MSI interrupts are enabled by setting to 1 and disabled by setting to 0."); +module_param(msix, int, 0); +MODULE_PARM_DESC(msix, "MSIX interrupts are enabled by setting to 1 and disabled by setting to 0."); +module_param(dma_64bit, int, 0); +MODULE_PARM_DESC(dma_64bit, "High DMA is enabled by setting to 1 and disabled by setting to 0."); MODULE_AUTHOR("Manfred Spraul <manfred@colorfullife.com>"); MODULE_DESCRIPTION("Reverse Engineered nForce ethernet driver"); |