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qlcnic: Fix setting MAC address

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o Delete previous unicast MAC which is already programmed
  in adapter before setting new unicast MAC

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Manish Chopra 2013-05-09 09:25:09 +00:00 committed by David S. Miller
parent 61f1598278
commit cffe52f38e
1 changed files with 21 additions and 0 deletions
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21
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
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@ -308,6 +308,23 @@ int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
return 0;
}
static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
{
struct qlcnic_mac_list_s *cur;
struct list_head *head;
list_for_each(head, &adapter->mac_list) {
cur = list_entry(head, struct qlcnic_mac_list_s, list);
if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
0, QLCNIC_MAC_DEL);
list_del(&cur->list);
kfree(cur);
return;
}
}
}
static int qlcnic_set_mac(struct net_device *netdev, void *p)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
@ -322,11 +339,15 @@ static int qlcnic_set_mac(struct net_device *netdev, void *p)
if (!is_valid_ether_addr(addr->sa_data))
return -EINVAL;
if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
return 0;
if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
netif_device_detach(netdev);
qlcnic_napi_disable(adapter);
}
qlcnic_delete_adapter_mac(adapter);
memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
qlcnic_set_multi(adapter->netdev);