net/core/failover.c

41  * @slave_dev: slave netdev that is being registered
46 static int failover_slave_register(struct net_device *slave_dev)
53 	if (slave_dev->type != ARPHRD_ETHER)
58 	failover_dev = failover_get_bymac(slave_dev->perm_addr, &fops);
63 	    fops->slave_pre_register(slave_dev, failover_dev))
66 	err = netdev_rx_handler_register(slave_dev, fops->slave_handle_frame,
69 		netdev_err(slave_dev, "can not register failover rx handler (err = %d)\n",
75 	err = netdev_master_upper_dev_link(slave_dev, failover_dev, NULL,
78 		netdev_err(slave_dev, "can not set failover device %s (err = %d)\n",
83 	slave_dev->priv_flags |= (IFF_FAILOVER_SLAVE | IFF_NO_ADDRCONF);
86 	    !fops->slave_register(slave_dev, failover_dev))
89 	netdev_upper_dev_unlink(slave_dev, failover_dev);
90 	slave_dev->priv_flags &= ~(IFF_FAILOVER_SLAVE | IFF_NO_ADDRCONF);
92 	netdev_rx_handler_unregister(slave_dev);
100  * @slave_dev: slave netdev that is being unregistered
104 int failover_slave_unregister(struct net_device *slave_dev)
109 	if (!netif_is_failover_slave(slave_dev))
114 	failover_dev = failover_get_bymac(slave_dev->perm_addr, &fops);
119 	    fops->slave_pre_unregister(slave_dev, failover_dev))
122 	netdev_rx_handler_unregister(slave_dev);
123 	netdev_upper_dev_unlink(slave_dev, failover_dev);
124 	slave_dev->priv_flags &= ~(IFF_FAILOVER_SLAVE | IFF_NO_ADDRCONF);
127 	    !fops->slave_unregister(slave_dev, failover_dev))
135 static int failover_slave_link_change(struct net_device *slave_dev)
140 	if (!netif_is_failover_slave(slave_dev))
145 	failover_dev = failover_get_bymac(slave_dev->perm_addr, &fops);
153 	    !fops->slave_link_change(slave_dev, failover_dev))
160 static int failover_slave_name_change(struct net_device *slave_dev)
165 	if (!netif_is_failover_slave(slave_dev))
170 	failover_dev = failover_get_bymac(slave_dev->perm_addr, &fops);
178 	    !fops->slave_name_change(slave_dev, failover_dev))