47 static int rt2x00link_antenna_get_link_rssi(struct rt2x00_dev *rt2x00dev)  in rt2x00link_antenna_get_link_rssi()  argument
49 	struct link_ant *ant = &rt2x00dev->link.ant;  in rt2x00link_antenna_get_link_rssi()
51 	if (rt2x00dev->link.qual.rx_success)  in rt2x00link_antenna_get_link_rssi()
57 static int rt2x00link_antenna_get_rssi_history(struct rt2x00_dev *rt2x00dev)  in rt2x00link_antenna_get_rssi_history()  argument
59 	struct link_ant *ant = &rt2x00dev->link.ant;  in rt2x00link_antenna_get_rssi_history()
66 static void rt2x00link_antenna_update_rssi_history(struct rt2x00_dev *rt2x00dev,  in rt2x00link_antenna_update_rssi_history()  argument
69 	struct link_ant *ant = &rt2x00dev->link.ant;  in rt2x00link_antenna_update_rssi_history()
73 static void rt2x00link_antenna_reset(struct rt2x00_dev *rt2x00dev)  in rt2x00link_antenna_reset()  argument
75 	ewma_rssi_init(&rt2x00dev->link.ant.rssi_ant);  in rt2x00link_antenna_reset()
78 static void rt2x00lib_antenna_diversity_sample(struct rt2x00_dev *rt2x00dev)  in rt2x00lib_antenna_diversity_sample()  argument
80 	struct link_ant *ant = &rt2x00dev->link.ant;  in rt2x00lib_antenna_diversity_sample()
84 	int sample_current = rt2x00link_antenna_get_link_rssi(rt2x00dev);  in rt2x00lib_antenna_diversity_sample()
85 	int sample_other = rt2x00link_antenna_get_rssi_history(rt2x00dev);  in rt2x00lib_antenna_diversity_sample()
103 		rt2x00link_antenna_update_rssi_history(rt2x00dev,  in rt2x00lib_antenna_diversity_sample()
116 	rt2x00lib_config_antenna(rt2x00dev, new_ant);  in rt2x00lib_antenna_diversity_sample()
119 static void rt2x00lib_antenna_diversity_eval(struct rt2x00_dev *rt2x00dev)  in rt2x00lib_antenna_diversity_eval()  argument
121 	struct link_ant *ant = &rt2x00dev->link.ant;  in rt2x00lib_antenna_diversity_eval()
132 	rssi_curr = rt2x00link_antenna_get_link_rssi(rt2x00dev);  in rt2x00lib_antenna_diversity_eval()
133 	rssi_old = rt2x00link_antenna_get_rssi_history(rt2x00dev);  in rt2x00lib_antenna_diversity_eval()
134 	rt2x00link_antenna_update_rssi_history(rt2x00dev, rssi_curr);  in rt2x00lib_antenna_diversity_eval()
156 	rt2x00lib_config_antenna(rt2x00dev, new_ant);  in rt2x00lib_antenna_diversity_eval()
159 static bool rt2x00lib_antenna_diversity(struct rt2x00_dev *rt2x00dev)  in rt2x00lib_antenna_diversity()  argument
161 	struct link_ant *ant = &rt2x00dev->link.ant;  in rt2x00lib_antenna_diversity()
180 		rt2x00lib_antenna_diversity_sample(rt2x00dev);  in rt2x00lib_antenna_diversity()
182 	} else if (rt2x00dev->link.count & 1) {  in rt2x00lib_antenna_diversity()
183 		rt2x00lib_antenna_diversity_eval(rt2x00dev);  in rt2x00lib_antenna_diversity()
190 void rt2x00link_update_stats(struct rt2x00_dev *rt2x00dev,  in rt2x00link_update_stats()  argument
194 	struct link *link = &rt2x00dev->link;  in rt2x00link_update_stats()
195 	struct link_qual *qual = &rt2x00dev->link.qual;  in rt2x00link_update_stats()
196 	struct link_ant *ant = &rt2x00dev->link.ant;  in rt2x00link_update_stats()
202 	if (!rt2x00dev->intf_sta_count)  in rt2x00link_update_stats()
231 void rt2x00link_start_tuner(struct rt2x00_dev *rt2x00dev)  in rt2x00link_start_tuner()  argument
233 	struct link *link = &rt2x00dev->link;  in rt2x00link_start_tuner()
239 	if (!rt2x00dev->intf_ap_count && !rt2x00dev->intf_sta_count)  in rt2x00link_start_tuner()
248 	if (test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags))  in rt2x00link_start_tuner()
251 	rt2x00link_reset_tuner(rt2x00dev, false);  in rt2x00link_start_tuner()
253 	if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))  in rt2x00link_start_tuner()
254 		ieee80211_queue_delayed_work(rt2x00dev->hw,  in rt2x00link_start_tuner()
258 void rt2x00link_stop_tuner(struct rt2x00_dev *rt2x00dev)  in rt2x00link_stop_tuner()  argument
260 	cancel_delayed_work_sync(&rt2x00dev->link.work);  in rt2x00link_stop_tuner()
263 void rt2x00link_reset_tuner(struct rt2x00_dev *rt2x00dev, bool antenna)  in rt2x00link_reset_tuner()  argument
265 	struct link_qual *qual = &rt2x00dev->link.qual;  in rt2x00link_reset_tuner()
268 	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))  in rt2x00link_reset_tuner()
279 	rt2x00dev->link.count = 0;  in rt2x00link_reset_tuner()
281 	ewma_rssi_init(&rt2x00dev->link.avg_rssi);  in rt2x00link_reset_tuner()
293 	rt2x00dev->ops->lib->reset_tuner(rt2x00dev, qual);  in rt2x00link_reset_tuner()
296 		rt2x00link_antenna_reset(rt2x00dev);  in rt2x00link_reset_tuner()
299 static void rt2x00link_reset_qual(struct rt2x00_dev *rt2x00dev)  in rt2x00link_reset_qual()  argument
301 	struct link_qual *qual = &rt2x00dev->link.qual;  in rt2x00link_reset_qual()
309 static void rt2x00link_tuner_sta(struct rt2x00_dev *rt2x00dev, struct link *link)  in rt2x00link_tuner_sta()  argument
311 	struct link_qual *qual = &rt2x00dev->link.qual;  in rt2x00link_tuner_sta()
316 	rt2x00dev->ops->lib->link_stats(rt2x00dev, qual);  in rt2x00link_tuner_sta()
317 	rt2x00dev->low_level_stats.dot11FCSErrorCount += qual->rx_failed;  in rt2x00link_tuner_sta()
335 	if (rt2x00_has_cap_link_tuning(rt2x00dev))  in rt2x00link_tuner_sta()
336 		rt2x00dev->ops->lib->link_tuner(rt2x00dev, qual, link->count);  in rt2x00link_tuner_sta()
341 	rt2x00leds_led_quality(rt2x00dev, qual->rssi);  in rt2x00link_tuner_sta()
348 	if (rt2x00lib_antenna_diversity(rt2x00dev))  in rt2x00link_tuner_sta()
349 		rt2x00link_reset_qual(rt2x00dev);  in rt2x00link_tuner_sta()
354 	struct rt2x00_dev *rt2x00dev =  in rt2x00link_tuner()  local
356 	struct link *link = &rt2x00dev->link;  in rt2x00link_tuner()
362 	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags) ||  in rt2x00link_tuner()
363 	    test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags))  in rt2x00link_tuner()
367 	mutex_lock(&rt2x00dev->conf_mutex);  in rt2x00link_tuner()
369 	if (rt2x00dev->intf_sta_count)  in rt2x00link_tuner()
370 		rt2x00link_tuner_sta(rt2x00dev, link);  in rt2x00link_tuner()
372 	if (rt2x00dev->ops->lib->gain_calibration &&  in rt2x00link_tuner()
374 		rt2x00dev->ops->lib->gain_calibration(rt2x00dev);  in rt2x00link_tuner()
376 	if (rt2x00dev->ops->lib->vco_calibration &&  in rt2x00link_tuner()
377 	    rt2x00_has_cap_vco_recalibration(rt2x00dev) &&  in rt2x00link_tuner()
379 		rt2x00dev->ops->lib->vco_calibration(rt2x00dev);  in rt2x00link_tuner()
381 	mutex_unlock(&rt2x00dev->conf_mutex);  in rt2x00link_tuner()
388 	if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))  in rt2x00link_tuner()
389 		ieee80211_queue_delayed_work(rt2x00dev->hw,  in rt2x00link_tuner()
393 void rt2x00link_start_watchdog(struct rt2x00_dev *rt2x00dev)  in rt2x00link_start_watchdog()  argument
395 	struct link *link = &rt2x00dev->link;  in rt2x00link_start_watchdog()
397 	if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) &&  in rt2x00link_start_watchdog()
398 	    rt2x00dev->ops->lib->watchdog)  in rt2x00link_start_watchdog()
399 		ieee80211_queue_delayed_work(rt2x00dev->hw,  in rt2x00link_start_watchdog()
404 void rt2x00link_stop_watchdog(struct rt2x00_dev *rt2x00dev)  in rt2x00link_stop_watchdog()  argument
406 	cancel_delayed_work_sync(&rt2x00dev->link.watchdog_work);  in rt2x00link_stop_watchdog()
411 	struct rt2x00_dev *rt2x00dev =  in rt2x00link_watchdog()  local
413 	struct link *link = &rt2x00dev->link;  in rt2x00link_watchdog()
419 	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))  in rt2x00link_watchdog()
422 	rt2x00dev->ops->lib->watchdog(rt2x00dev);  in rt2x00link_watchdog()
424 	if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))  in rt2x00link_watchdog()
425 		ieee80211_queue_delayed_work(rt2x00dev->hw,  in rt2x00link_watchdog()
430 void rt2x00link_register(struct rt2x00_dev *rt2x00dev)  in rt2x00link_register()  argument
432 	INIT_DELAYED_WORK(&rt2x00dev->link.watchdog_work, rt2x00link_watchdog);  in rt2x00link_register()
433 	INIT_DELAYED_WORK(&rt2x00dev->link.work, rt2x00link_tuner);  in rt2x00link_register()