65 static void set_baseline_state(struct led_netdev_data *trigger_data)  in set_baseline_state()  argument
68 	struct led_classdev *led_cdev = trigger_data->led_cdev;  in set_baseline_state()
76 	if (!test_bit(NETDEV_LED_MODE_LINKUP, &trigger_data->mode))  in set_baseline_state()
79 		if (test_bit(NETDEV_LED_LINK, &trigger_data->mode))  in set_baseline_state()
88 		if (test_bit(NETDEV_LED_TX, &trigger_data->mode) ||  in set_baseline_state()
89 		    test_bit(NETDEV_LED_RX, &trigger_data->mode))  in set_baseline_state()
90 			schedule_delayed_work(&trigger_data->work, 0);  in set_baseline_state()
97 	struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev);  in device_name_show()  local
100 	spin_lock_bh(&trigger_data->lock);  in device_name_show()
101 	len = sprintf(buf, "%s\n", trigger_data->device_name);  in device_name_show()
102 	spin_unlock_bh(&trigger_data->lock);  in device_name_show()
111 	struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev);  in device_name_store()  local
116 	cancel_delayed_work_sync(&trigger_data->work);  in device_name_store()
118 	spin_lock_bh(&trigger_data->lock);  in device_name_store()
120 	if (trigger_data->net_dev) {  in device_name_store()
121 		dev_put(trigger_data->net_dev);  in device_name_store()
122 		trigger_data->net_dev = NULL;  in device_name_store()
125 	memcpy(trigger_data->device_name, buf, size);  in device_name_store()
126 	trigger_data->device_name[size] = 0;  in device_name_store()
127 	if (size > 0 && trigger_data->device_name[size - 1] == '\n')  in device_name_store()
128 		trigger_data->device_name[size - 1] = 0;  in device_name_store()
130 	if (trigger_data->device_name[0] != 0)  in device_name_store()
131 		trigger_data->net_dev =  in device_name_store()
132 		    dev_get_by_name(&init_net, trigger_data->device_name);  in device_name_store()
134 	clear_bit(NETDEV_LED_MODE_LINKUP, &trigger_data->mode);  in device_name_store()
135 	if (trigger_data->net_dev != NULL)  in device_name_store()
136 		if (netif_carrier_ok(trigger_data->net_dev))  in device_name_store()
137 			set_bit(NETDEV_LED_MODE_LINKUP, &trigger_data->mode);  in device_name_store()
139 	trigger_data->last_activity = 0;  in device_name_store()
141 	set_baseline_state(trigger_data);  in device_name_store()
142 	spin_unlock_bh(&trigger_data->lock);  in device_name_store()
152 	struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev);  in netdev_led_attr_show()  local
169 	return sprintf(buf, "%u\n", test_bit(bit, &trigger_data->mode));  in netdev_led_attr_show()
175 	struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev);  in netdev_led_attr_store()  local
198 	cancel_delayed_work_sync(&trigger_data->work);  in netdev_led_attr_store()
201 		set_bit(bit, &trigger_data->mode);  in netdev_led_attr_store()
203 		clear_bit(bit, &trigger_data->mode);  in netdev_led_attr_store()
205 	set_baseline_state(trigger_data);  in netdev_led_attr_store()
255 	struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev);  in interval_show()  local
258 		       jiffies_to_msecs(atomic_read(&trigger_data->interval)));  in interval_show()
265 	struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev);  in interval_store()  local
275 		cancel_delayed_work_sync(&trigger_data->work);  in interval_store()
277 		atomic_set(&trigger_data->interval, msecs_to_jiffies(value));  in interval_store()
278 		set_baseline_state(trigger_data);	/* resets timer */  in interval_store()
301 	struct led_netdev_data *trigger_data =  in netdev_trig_notify()  local
308 	if (!(dev == trigger_data->net_dev ||  in netdev_trig_notify()
309 	      (evt == NETDEV_REGISTER && !strcmp(dev->name, trigger_data->device_name))))  in netdev_trig_notify()
312 	cancel_delayed_work_sync(&trigger_data->work);  in netdev_trig_notify()
314 	spin_lock_bh(&trigger_data->lock);  in netdev_trig_notify()
316 	clear_bit(NETDEV_LED_MODE_LINKUP, &trigger_data->mode);  in netdev_trig_notify()
319 		if (trigger_data->net_dev)  in netdev_trig_notify()
320 			dev_put(trigger_data->net_dev);  in netdev_trig_notify()
322 		trigger_data->net_dev = dev;  in netdev_trig_notify()
325 		dev_put(trigger_data->net_dev);  in netdev_trig_notify()
326 		trigger_data->net_dev = NULL;  in netdev_trig_notify()
331 			set_bit(NETDEV_LED_MODE_LINKUP, &trigger_data->mode);  in netdev_trig_notify()
335 	set_baseline_state(trigger_data);  in netdev_trig_notify()
337 	spin_unlock_bh(&trigger_data->lock);  in netdev_trig_notify()
345 	struct led_netdev_data *trigger_data =  in netdev_trig_work()  local
354 	if (!trigger_data->net_dev) {  in netdev_trig_work()
355 		led_set_brightness(trigger_data->led_cdev, LED_OFF);  in netdev_trig_work()
360 	if (!test_bit(NETDEV_LED_TX, &trigger_data->mode) &&  in netdev_trig_work()
361 	    !test_bit(NETDEV_LED_RX, &trigger_data->mode))  in netdev_trig_work()
364 	dev_stats = dev_get_stats(trigger_data->net_dev, &temp);  in netdev_trig_work()
366 	    (test_bit(NETDEV_LED_TX, &trigger_data->mode) ?  in netdev_trig_work()
368 	    (test_bit(NETDEV_LED_RX, &trigger_data->mode) ?  in netdev_trig_work()
371 	if (trigger_data->last_activity != new_activity) {  in netdev_trig_work()
372 		led_stop_software_blink(trigger_data->led_cdev);  in netdev_trig_work()
374 		invert = test_bit(NETDEV_LED_LINK, &trigger_data->mode);  in netdev_trig_work()
376 				atomic_read(&trigger_data->interval));  in netdev_trig_work()
378 		led_blink_set_oneshot(trigger_data->led_cdev,  in netdev_trig_work()
382 		trigger_data->last_activity = new_activity;  in netdev_trig_work()
385 	schedule_delayed_work(&trigger_data->work,  in netdev_trig_work()
386 			(atomic_read(&trigger_data->interval)*2));  in netdev_trig_work()
391 	struct led_netdev_data *trigger_data;  in netdev_trig_activate()  local
394 	trigger_data = kzalloc(sizeof(struct led_netdev_data), GFP_KERNEL);  in netdev_trig_activate()
395 	if (!trigger_data)  in netdev_trig_activate()
398 	spin_lock_init(&trigger_data->lock);  in netdev_trig_activate()
400 	trigger_data->notifier.notifier_call = netdev_trig_notify;  in netdev_trig_activate()
401 	trigger_data->notifier.priority = 10;  in netdev_trig_activate()
403 	INIT_DELAYED_WORK(&trigger_data->work, netdev_trig_work);  in netdev_trig_activate()
405 	trigger_data->led_cdev = led_cdev;  in netdev_trig_activate()
406 	trigger_data->net_dev = NULL;  in netdev_trig_activate()
407 	trigger_data->device_name[0] = 0;  in netdev_trig_activate()
409 	trigger_data->mode = 0;  in netdev_trig_activate()
410 	atomic_set(&trigger_data->interval, msecs_to_jiffies(50));  in netdev_trig_activate()
411 	trigger_data->last_activity = 0;  in netdev_trig_activate()
413 	led_set_trigger_data(led_cdev, trigger_data);  in netdev_trig_activate()
415 	rc = register_netdevice_notifier(&trigger_data->notifier);  in netdev_trig_activate()
417 		kfree(trigger_data);  in netdev_trig_activate()
424 	struct led_netdev_data *trigger_data = led_get_trigger_data(led_cdev);  in netdev_trig_deactivate()  local
426 	unregister_netdevice_notifier(&trigger_data->notifier);  in netdev_trig_deactivate()
428 	cancel_delayed_work_sync(&trigger_data->work);  in netdev_trig_deactivate()
430 	if (trigger_data->net_dev)  in netdev_trig_deactivate()
431 		dev_put(trigger_data->net_dev);  in netdev_trig_deactivate()
433 	kfree(trigger_data);  in netdev_trig_deactivate()