diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic.h')
| -rw-r--r-- | drivers/net/netxen/netxen_nic.h | 102 |
1 files changed, 86 insertions, 16 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index 91f25e0a638e..6ce93fcbed32 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -937,6 +937,7 @@ struct netxen_adapter { struct netxen_ring_ctx *ctx_desc; struct pci_dev *ctx_desc_pdev; dma_addr_t ctx_desc_phys_addr; + int intr_scheme; int (*enable_phy_interrupts) (struct netxen_adapter *); int (*disable_phy_interrupts) (struct netxen_adapter *); void (*handle_phy_intr) (struct netxen_adapter *); @@ -1080,37 +1081,106 @@ struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev); static inline void netxen_nic_disable_int(struct netxen_adapter *adapter) { - /* - * ISR_INT_MASK: Can be read from window 0 or 1. - */ - writel(0x7ff, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); + uint32_t mask = 0x7ff; + int retries = 32; + + DPRINTK(1, INFO, "Entered ISR Disable \n"); + + switch (adapter->portnum) { + case 0: + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_0)); + break; + case 1: + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1)); + break; + case 2: + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_2)); + break; + case 3: + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_3)); + break; + } + + if (adapter->intr_scheme != -1 && + adapter->intr_scheme != INTR_SCHEME_PERPORT) { + writel(mask, + (void *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK))); + } + + /* Window = 0 or 1 */ + if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { + do { + writel(0xffffffff, (void *) + (PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_STATUS))); + mask = readl((void *) + (pci_base_offset(adapter, ISR_INT_VECTOR))); + if (!(mask & 0x80)) + break; + udelay(10); + } while (--retries); + + if (!retries) { + printk(KERN_NOTICE "%s: Failed to disable interrupt completely\n", + netxen_nic_driver_name); + } + } + + DPRINTK(1, INFO, "Done with Disable Int\n"); + return; } static inline void netxen_nic_enable_int(struct netxen_adapter *adapter) { u32 mask; - switch (adapter->ahw.board_type) { - case NETXEN_NIC_GBE: - mask = 0x77b; + DPRINTK(1, INFO, "Entered ISR Enable \n"); + + if (adapter->intr_scheme != -1 && + adapter->intr_scheme != INTR_SCHEME_PERPORT) { + switch (adapter->ahw.board_type) { + case NETXEN_NIC_GBE: + mask = 0x77b; + break; + case NETXEN_NIC_XGBE: + mask = 0x77f; + break; + default: + mask = 0x7ff; + break; + } + + writel(mask, + (void *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK))); + } + switch (adapter->portnum) { + case 0: + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_0)); break; - case NETXEN_NIC_XGBE: - mask = 0x77f; + case 1: + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1)); break; - default: - mask = 0x7ff; + case 2: + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_2)); + break; + case 3: + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_3)); break; } - writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); - if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { mask = 0xbff; - writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR)); - writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, - ISR_INT_TARGET_MASK)); + if (adapter->intr_scheme != -1 && + adapter->intr_scheme != INTR_SCHEME_PERPORT) { + writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR)); + } + writel(mask, + (void *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK))); } + + DPRINTK(1, INFO, "Done with enable Int\n"); + + return; } /* |