1 files changed, 97 insertions, 0 deletions

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index a66ff58366cf..56f8197b953b 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -156,6 +156,103 @@ static inline void netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter
 #define ADAPTER_LIST_SIZE 12
 int netxen_cards_found;
 
+static void netxen_nic_disable_int(struct netxen_adapter *adapter)
+{
+        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,PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
+
+        /* Window = 0 or 1 */
+        if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+                do {
+                        writel(0xffffffff,
+                               PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_STATUS));
+                        mask = readl(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");
+}
+
+static void netxen_nic_enable_int(struct netxen_adapter *adapter)
+{
+        u32 mask;
+
+        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, 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 1:
+                writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1));
+                break;
+        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;
+        }
+
+        if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+                mask = 0xbff;
+                if (adapter->intr_scheme != -1 &&
+                        adapter->intr_scheme != INTR_SCHEME_PERPORT) {
+                        writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+                }
+                writel(mask,
+                       PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK));
+        }
+
+        DPRINTK(1, INFO, "Done with enable Int\n");
+}
+
 /*
  * netxen_nic_probe()
  *