100 static __u32 irlap_requested_line_capacity(struct qos_info *qos);
279 void irda_qos_compute_intersection(struct qos_info *qos, struct qos_info *new)  in irda_qos_compute_intersection()  argument
281 	IRDA_ASSERT(qos != NULL, return;);  in irda_qos_compute_intersection()
285 	qos->baud_rate.bits       &= new->baud_rate.bits;  in irda_qos_compute_intersection()
286 	qos->window_size.bits     &= new->window_size.bits;  in irda_qos_compute_intersection()
287 	qos->min_turn_time.bits   &= new->min_turn_time.bits;  in irda_qos_compute_intersection()
288 	qos->max_turn_time.bits   &= new->max_turn_time.bits;  in irda_qos_compute_intersection()
289 	qos->data_size.bits       &= new->data_size.bits;  in irda_qos_compute_intersection()
290 	qos->link_disc_time.bits  &= new->link_disc_time.bits;  in irda_qos_compute_intersection()
291 	qos->additional_bofs.bits &= new->additional_bofs.bits;  in irda_qos_compute_intersection()
293 	irda_qos_bits_to_value(qos);  in irda_qos_compute_intersection()
303 void irda_init_max_qos_capabilies(struct qos_info *qos)  in irda_init_max_qos_capabilies()  argument
314 			     &qos->baud_rate.bits);  in irda_init_max_qos_capabilies()
319 			     &qos->link_disc_time.bits);  in irda_init_max_qos_capabilies()
323 	qos->baud_rate.bits    &= 0x03ff;  in irda_init_max_qos_capabilies()
325 	qos->window_size.bits     = 0x7f;  in irda_init_max_qos_capabilies()
326 	qos->min_turn_time.bits   = 0xff;  in irda_init_max_qos_capabilies()
327 	qos->max_turn_time.bits   = 0x0f;  in irda_init_max_qos_capabilies()
328 	qos->data_size.bits       = 0x3f;  in irda_init_max_qos_capabilies()
329 	qos->link_disc_time.bits &= 0xff;  in irda_init_max_qos_capabilies()
330 	qos->additional_bofs.bits = 0xff;  in irda_init_max_qos_capabilies()
340 static void irlap_adjust_qos_settings(struct qos_info *qos)  in irlap_adjust_qos_settings()  argument
351 	if (sysctl_min_tx_turn_time > qos->min_turn_time.value) {  in irlap_adjust_qos_settings()
359 				      8, &qos->min_turn_time.bits);  in irlap_adjust_qos_settings()
361 		qos->min_turn_time.value = sysctl_min_tx_turn_time;  in irlap_adjust_qos_settings()
368 	if ((qos->baud_rate.value < 115200) &&  in irlap_adjust_qos_settings()
369 	    (qos->max_turn_time.value < 500))  in irlap_adjust_qos_settings()
373 			   __func__, qos->max_turn_time.value);  in irlap_adjust_qos_settings()
374 		qos->max_turn_time.value = 500;  in irlap_adjust_qos_settings()
381 	index = value_index(qos->data_size.value, data_sizes, 6);  in irlap_adjust_qos_settings()
382 	line_capacity = irlap_max_line_capacity(qos->baud_rate.value,  in irlap_adjust_qos_settings()
383 						qos->max_turn_time.value);  in irlap_adjust_qos_settings()
386 	while ((qos->data_size.value > line_capacity) && (index > 0)) {  in irlap_adjust_qos_settings()
387 		qos->data_size.value = data_sizes[index--];  in irlap_adjust_qos_settings()
389 			   __func__, qos->data_size.value);  in irlap_adjust_qos_settings()
392 	while (irlap_requested_line_capacity(qos) > line_capacity) {  in irlap_adjust_qos_settings()
396 		if (qos->window_size.value > 1) {  in irlap_adjust_qos_settings()
397 			qos->window_size.value--;  in irlap_adjust_qos_settings()
399 				   __func__, qos->window_size.value);  in irlap_adjust_qos_settings()
401 			qos->data_size.value = data_sizes[index--];  in irlap_adjust_qos_settings()
403 				   __func__, qos->data_size.value);  in irlap_adjust_qos_settings()
413 	if (qos->data_size.value > sysctl_max_tx_data_size)  in irlap_adjust_qos_settings()
415 		qos->data_size.value = sysctl_max_tx_data_size;  in irlap_adjust_qos_settings()
419 	if (qos->window_size.value > sysctl_max_tx_window)  in irlap_adjust_qos_settings()
420 		qos->window_size.value = sysctl_max_tx_window;  in irlap_adjust_qos_settings()
731 static __u32 irlap_requested_line_capacity(struct qos_info *qos)  in irlap_requested_line_capacity()  argument
735 	line_capacity = qos->window_size.value *  in irlap_requested_line_capacity()
736 		(qos->data_size.value + 6 + qos->additional_bofs.value) +  in irlap_requested_line_capacity()
737 		irlap_min_turn_time_in_bytes(qos->baud_rate.value,  in irlap_requested_line_capacity()
738 					     qos->min_turn_time.value);  in irlap_requested_line_capacity()
747 void irda_qos_bits_to_value(struct qos_info *qos)  in irda_qos_bits_to_value()  argument
751 	IRDA_ASSERT(qos != NULL, return;);  in irda_qos_bits_to_value()
753 	index = msb_index(qos->baud_rate.bits);  in irda_qos_bits_to_value()
754 	qos->baud_rate.value = baud_rates[index];  in irda_qos_bits_to_value()
756 	index = msb_index(qos->data_size.bits);  in irda_qos_bits_to_value()
757 	qos->data_size.value = data_sizes[index];  in irda_qos_bits_to_value()
759 	index = msb_index(qos->window_size.bits);  in irda_qos_bits_to_value()
760 	qos->window_size.value = index+1;  in irda_qos_bits_to_value()
762 	index = msb_index(qos->min_turn_time.bits);  in irda_qos_bits_to_value()
763 	qos->min_turn_time.value = min_turn_times[index];  in irda_qos_bits_to_value()
765 	index = msb_index(qos->max_turn_time.bits);  in irda_qos_bits_to_value()
766 	qos->max_turn_time.value = max_turn_times[index];  in irda_qos_bits_to_value()
768 	index = msb_index(qos->link_disc_time.bits);  in irda_qos_bits_to_value()
769 	qos->link_disc_time.value = link_disc_times[index];  in irda_qos_bits_to_value()
771 	index = msb_index(qos->additional_bofs.bits);  in irda_qos_bits_to_value()
772 	qos->additional_bofs.value = add_bofs[index];  in irda_qos_bits_to_value()