1 // SPDX-License-Identifier: GPL-2.0-or-later
51 		if (dev->reg_state <= NETREG_REGISTERED)  in default_operstate()
54 			iflink = dev->ifindex;  in default_operstate()
56 		if (iflink == dev->ifindex)  in default_operstate()
78 	if (operstate == READ_ONCE(dev->operstate))  in rfc2863_policy()
81 	switch(dev->link_mode) {  in rfc2863_policy()
96 	WRITE_ONCE(dev->operstate, operstate);  in rfc2863_policy()
102 	/* Handle pre-registration link state changes */  in linkwatch_init_dev()
114 	if (dev->ifindex != dev_get_iflink(dev))  in linkwatch_urgent_event()
129 	if (list_empty(&dev->link_watch_list)) {  in linkwatch_add_event()
130 		list_add_tail(&dev->link_watch_list, &lweventlist);  in linkwatch_add_event()
131 		netdev_hold(dev, &dev->linkwatch_dev_tracker, GFP_ATOMIC);  in linkwatch_add_event()
137 static void linkwatch_schedule_work(int urgent)  in linkwatch_schedule_work()  argument
139 	unsigned long delay = linkwatch_nextevent - jiffies;  in linkwatch_schedule_work()
144 	/* Minimise down-time: drop delay for up event. */  in linkwatch_schedule_work()
145 	if (urgent) {  in linkwatch_schedule_work()
156 	 * If urgent, schedule immediate execution; otherwise, don't  in linkwatch_schedule_work()
177 	clear_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state);  in linkwatch_do_dev()
180 	if (dev->flags & IFF_UP) {  in linkwatch_do_dev()
199 	/* Use a local list here since we add non-urgent  in __linkwatch_run_queue()
205 	/* Give urgent case more budget */  in __linkwatch_run_queue()
218 	/* Limit wrap-around effect on delay. */  in __linkwatch_run_queue()
231 		list_del_init(&dev->link_watch_list);  in __linkwatch_run_queue()
235 			list_add_tail(&dev->link_watch_list, &lweventlist);  in __linkwatch_run_queue()
241 		netdev_tracker_free(dev, &dev->linkwatch_dev_tracker);  in __linkwatch_run_queue()
244 		do_dev--;  in __linkwatch_run_queue()
262 	if (!list_empty(&dev->link_watch_list)) {  in linkwatch_sync_dev()
263 		list_del_init(&dev->link_watch_list);  in linkwatch_sync_dev()
268 		netdev_tracker_free(dev, &dev->linkwatch_dev_tracker);  in linkwatch_sync_dev()
293 	bool urgent = linkwatch_urgent_event(dev);  in linkwatch_fire_event()  local
295 	if (!test_and_set_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state)) {  in linkwatch_fire_event()
297 	} else if (!urgent)  in linkwatch_fire_event()
300 	linkwatch_schedule_work(urgent);  in linkwatch_fire_event()