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netxen: fix mac addr setup

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For NX3031 mac addr should be read from firmware. mac addr in flash
is still valid, but can be overridden by firmware if running in
virtualization environment.

For old revisions, mac addr is retrieved directly from flash.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Dhananjay Phadke
2008-08-08 00:08:39 -07:00
committed by Jeff Garzik
parent 8d792cd990
commit 9dc28efeee
4 changed files with 83 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
drivers/net/netxen/netxen_nic_main.c
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@ -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);