drivers/net/net_failover.c

38 	struct net_device *primary_dev, *standby_dev;
41 	primary_dev = rtnl_dereference(nfo_info->primary_dev);
42 	if (primary_dev) {
43 		err = dev_open(primary_dev, NULL);
55 	if ((primary_dev && net_failover_xmit_ready(primary_dev)) ||
64 	if (primary_dev)
65 		dev_close(primary_dev);
78 	slave_dev = rtnl_dereference(nfo_info->primary_dev);
104 	xmit_dev = rcu_dereference_bh(nfo_info->primary_dev);
122 	struct net_device *primary_dev;
125 	primary_dev = rcu_dereference(nfo_info->primary_dev);
126 	if (primary_dev) {
127 		const struct net_device_ops *ops = primary_dev->netdev_ops;
130 			txq = ops->ndo_select_queue(primary_dev, skb, sb_dev);
132 			txq = netdev_pick_tx(primary_dev, skb, NULL);
191 	slave_dev = rcu_dereference(nfo_info->primary_dev);
214 	struct net_device *primary_dev, *standby_dev;
217 	primary_dev = rtnl_dereference(nfo_info->primary_dev);
218 	if (primary_dev) {
219 		ret = dev_set_mtu(primary_dev, new_mtu);
228 			if (primary_dev)
229 				dev_set_mtu(primary_dev, dev->mtu);
246 	slave_dev = rcu_dereference(nfo_info->primary_dev);
265 	struct net_device *primary_dev, *standby_dev;
268 	primary_dev = rcu_dereference(nfo_info->primary_dev);
269 	if (primary_dev) {
270 		ret = vlan_vid_add(primary_dev, proto, vid);
279 			if (primary_dev)
280 				vlan_vid_del(primary_dev, proto, vid);
292 	slave_dev = rcu_dereference(nfo_info->primary_dev);
333 	slave_dev = rtnl_dereference(nfo_info->primary_dev);
363 	struct net_device *primary_dev, *standby_dev;
365 	primary_dev = rcu_dereference(nfo_info->primary_dev);
368 	if (primary_dev && skb->dev == standby_dev)
385 	struct net_device *primary_dev, *standby_dev;
387 	primary_dev = rcu_dereference(nfo_info->primary_dev);
388 	if (primary_dev) {
391 						  primary_dev->vlan_features,
395 						  primary_dev->hw_enc_features,
398 		dst_release_flag &= primary_dev->priv_flags;
399 		if (primary_dev->hard_header_len > max_hard_header_len)
400 			max_hard_header_len = primary_dev->hard_header_len;
432 					     struct net_device *primary_dev,
442 	if (slave_dev == primary_dev) {
443 		if (netif_running(primary_dev))
448 		if ((primary_dev && netif_running(primary_dev)) ||
461 	struct net_device *standby_dev, *primary_dev;
467 	primary_dev = rtnl_dereference(nfo_info->primary_dev);
469 	if (slave_is_standby ? standby_dev : primary_dev) {
497 	struct net_device *standby_dev, *primary_dev;
537 	primary_dev = rtnl_dereference(nfo_info->primary_dev);
545 		rcu_assign_pointer(nfo_info->primary_dev, slave_dev);
546 		primary_dev = slave_dev;
547 		dev_get_stats(primary_dev, &nfo_info->primary_stats);
552 	net_failover_lower_state_changed(slave_dev, primary_dev, standby_dev);
576 	struct net_device *standby_dev, *primary_dev;
580 	primary_dev = rtnl_dereference(nfo_info->primary_dev);
583 	if (slave_dev != primary_dev && slave_dev != standby_dev)
592 	struct net_device *standby_dev, *primary_dev;
597 	primary_dev = rtnl_dereference(nfo_info->primary_dev);
600 	if (WARN_ON_ONCE(slave_dev != primary_dev && slave_dev != standby_dev))
615 		RCU_INIT_POINTER(nfo_info->primary_dev, NULL);
635 	struct net_device *primary_dev, *standby_dev;
640 	primary_dev = rtnl_dereference(nfo_info->primary_dev);
643 	if (slave_dev != primary_dev && slave_dev != standby_dev)
646 	if ((primary_dev && net_failover_xmit_ready(primary_dev)) ||
656 	net_failover_lower_state_changed(slave_dev, primary_dev, standby_dev);
664 	struct net_device *primary_dev, *standby_dev;
669 	primary_dev = rtnl_dereference(nfo_info->primary_dev);
672 	if (slave_dev != primary_dev && slave_dev != standby_dev)
804 	slave_dev = rtnl_dereference(nfo_info->primary_dev);