4 files changed, 83 insertions, 38 deletions

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 93a7b9b668d5..2cf6e41291e6 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -1615,7 +1615,8 @@ dma_watchdog_wakeup(struct netxen_adapter *adapter)
 
 
 int netxen_is_flash_supported(struct netxen_adapter *adapter);
-int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 mac[]);
+int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 *mac);
+int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, __le64 *mac);
 extern void netxen_change_ringparam(struct netxen_adapter *adapter);
 extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr,
                                 int *valp);
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 9aa20f961618..f5db48bcd266 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -733,31 +733,56 @@ static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
         return 0;
 }
 
-int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 mac[])
+int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 *mac)
 {
-        __le32 *pmac = (__le32 *) & mac[0];
+        __le32 *pmac = (__le32 *) mac;
+        u32 offset;
 
-        if (netxen_get_flash_block(adapter,
-                                   NETXEN_USER_START +
-                                   offsetof(struct netxen_new_user_info,
-                                            mac_addr),
-                                   FLASH_NUM_PORTS * sizeof(u64), pmac) == -1) {
+        offset = NETXEN_USER_START +
+                offsetof(struct netxen_new_user_info, mac_addr) +
+                adapter->portnum * sizeof(u64);
+
+        if (netxen_get_flash_block(adapter, offset, sizeof(u64), pmac) == -1)
                 return -1;
-        }
+
         if (*mac == cpu_to_le64(~0ULL)) {
+
+                offset = NETXEN_USER_START_OLD +
+                        offsetof(struct netxen_user_old_info, mac_addr) +
+                        adapter->portnum * sizeof(u64);
+
                 if (netxen_get_flash_block(adapter,
-                                           NETXEN_USER_START_OLD +
-                                           offsetof(struct netxen_user_old_info,
-                                                    mac_addr),
-                                           FLASH_NUM_PORTS * sizeof(u64),
-                                           pmac) == -1)
+                                        offset, sizeof(u64), pmac) == -1)
                         return -1;
+
                 if (*mac == cpu_to_le64(~0ULL))
                         return -1;
         }
         return 0;
 }
 
+int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, __le64 *mac)
+{
+        uint32_t crbaddr, mac_hi, mac_lo;
+        int pci_func = adapter->ahw.pci_func;
+
+        crbaddr = CRB_MAC_BLOCK_START +
+                (4 * ((pci_func/2) * 3)) + (4 * (pci_func & 1));
+
+        adapter->hw_read_wx(adapter, crbaddr, &mac_lo, 4);
+        adapter->hw_read_wx(adapter, crbaddr+4, &mac_hi, 4);
+
+        mac_hi = cpu_to_le32(mac_hi);
+        mac_lo = cpu_to_le32(mac_lo);
+
+        if (pci_func & 1)
+                *mac = ((mac_lo >> 16) | ((u64)mac_hi << 16));
+        else
+                *mac = ((mac_lo) | ((u64)mac_hi << 32));
+
+        return 0;
+}
+
 #define CRB_WIN_LOCK_TIMEOUT 100000000
 
 static int crb_win_lock(struct netxen_adapter *adapter)
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 7615c715e66e..6fc42cd30729 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -501,6 +501,44 @@ static void netxen_init_msix_entries(struct netxen_adapter *adapter)
                 adapter->msix_entries[i].entry = i;
 }
 
+static int
+netxen_read_mac_addr(struct netxen_adapter *adapter)
+{
+        int i;
+        unsigned char *p;
+        __le64 mac_addr;
+        DECLARE_MAC_BUF(mac);
+        struct net_device *netdev = adapter->netdev;
+        struct pci_dev *pdev = adapter->pdev;
+
+        if (netxen_is_flash_supported(adapter) != 0)
+                return -EIO;
+
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+                if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
+                        return -EIO;
+        } else {
+                if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
+                        return -EIO;
+        }
+
+        p = (unsigned char *)&mac_addr;
+        for (i = 0; i < 6; i++)
+                netdev->dev_addr[i] = *(p + 5 - i);
+
+        memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
+
+        /* set station address */
+
+        if (!is_valid_ether_addr(netdev->perm_addr)) {
+                dev_warn(&pdev->dev, "Bad MAC address %s.\n",
+                                print_mac(mac, netdev->dev_addr));
+        } else
+                adapter->macaddr_set(adapter, netdev->dev_addr);
+
+        return 0;
+}
+
 /*
  * netxen_nic_probe()
  *
@@ -529,10 +567,8 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         unsigned long mem_base, mem_len, db_base, db_len, pci_len0 = 0;
         int i = 0, err;
         int first_driver, first_boot;
-        __le64 mac_addr[FLASH_NUM_PORTS + 1];
         u32 val;
         int pci_func_id = PCI_FUNC(pdev->devfn);
-        DECLARE_MAC_BUF(mac);
         struct netxen_legacy_intr_set *legacy_intrp;
         uint8_t revision_id;
 
@@ -904,28 +940,9 @@ request_msi:
         INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
         INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
 
-        if (netxen_is_flash_supported(adapter) == 0 &&
-                        netxen_get_flash_mac_addr(adapter, mac_addr) == 0) {
-                unsigned char *p;
-
-                p = (unsigned char *)&mac_addr[adapter->portnum];
-                netdev->dev_addr[0] = *(p + 5);
-                netdev->dev_addr[1] = *(p + 4);
-                netdev->dev_addr[2] = *(p + 3);
-                netdev->dev_addr[3] = *(p + 2);
-                netdev->dev_addr[4] = *(p + 1);
-                netdev->dev_addr[5] = *(p + 0);
-
-                memcpy(netdev->perm_addr, netdev->dev_addr,
-                        netdev->addr_len);
-                if (!is_valid_ether_addr(netdev->perm_addr)) {
-                        printk(KERN_ERR "%s: Bad MAC address %s.\n",
-                                        netxen_nic_driver_name,
-                                        print_mac(mac, netdev->dev_addr));
-                } else {
-                        adapter->macaddr_set(adapter, netdev->dev_addr);
-                }
-        }
+        err = netxen_read_mac_addr(adapter);
+        if (err)
+                dev_warn(&pdev->dev, "failed to read mac addr\n");
 
         netif_carrier_off(netdev);
         netif_stop_queue(netdev);
diff --git a/drivers/net/netxen/netxen_nic_phan_reg.h b/drivers/net/netxen/netxen_nic_phan_reg.h
index 83e5ee57bfef..b293adcc95ab 100644
--- a/drivers/net/netxen/netxen_nic_phan_reg.h
+++ b/drivers/net/netxen/netxen_nic_phan_reg.h
@@ -125,6 +125,8 @@
 #define CRB_SW_INT_MASK_2          NETXEN_NIC_REG(0x1e4)
 #define CRB_SW_INT_MASK_3          NETXEN_NIC_REG(0x1e8)
 
+#define CRB_MAC_BLOCK_START        NETXEN_CAM_RAM(0x1c0)
+
 /*
  * capabilities register, can be used to selectively enable/disable features
  * for backward compability