OCS_HW_WWN_NODE
my_wwnn = ocs_get_wwn(&ocs->hw, OCS_HW_WWN_NODE);
case OCS_HW_WWN_NODE:
wwnn = ocs_hw_get_ptr(&ocs->hw, OCS_HW_WWN_NODE);
wwnn = ocs_hw_get_ptr(&ocs->hw, OCS_HW_WWN_NODE);
rc = ocs_hw_get_ptr(&ocs->hw, OCS_HW_WWN_NODE);