aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/veth.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/veth.c')
-rw-r--r--drivers/net/veth.c51
1 files changed, 11 insertions, 40 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 108bbbeacfb6..124fe75b8a8a 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -239,6 +239,16 @@ static int veth_open(struct net_device *dev)
239 return 0; 239 return 0;
240} 240}
241 241
242static int veth_close(struct net_device *dev)
243{
244 struct veth_priv *priv = netdev_priv(dev);
245
246 netif_carrier_off(dev);
247 netif_carrier_off(priv->peer);
248
249 return 0;
250}
251
242static int veth_dev_init(struct net_device *dev) 252static int veth_dev_init(struct net_device *dev)
243{ 253{
244 struct veth_net_stats *stats; 254 struct veth_net_stats *stats;
@@ -265,6 +275,7 @@ static void veth_dev_free(struct net_device *dev)
265static const struct net_device_ops veth_netdev_ops = { 275static const struct net_device_ops veth_netdev_ops = {
266 .ndo_init = veth_dev_init, 276 .ndo_init = veth_dev_init,
267 .ndo_open = veth_open, 277 .ndo_open = veth_open,
278 .ndo_stop = veth_close,
268 .ndo_start_xmit = veth_xmit, 279 .ndo_start_xmit = veth_xmit,
269 .ndo_get_stats = veth_get_stats, 280 .ndo_get_stats = veth_get_stats,
270 .ndo_set_mac_address = eth_mac_addr, 281 .ndo_set_mac_address = eth_mac_addr,
@@ -280,44 +291,6 @@ static void veth_setup(struct net_device *dev)
280 dev->destructor = veth_dev_free; 291 dev->destructor = veth_dev_free;
281} 292}
282 293
283static void veth_change_state(struct net_device *dev)
284{
285 struct net_device *peer;
286 struct veth_priv *priv;
287
288 priv = netdev_priv(dev);
289 peer = priv->peer;
290
291 if (netif_carrier_ok(peer)) {
292 if (!netif_carrier_ok(dev))
293 netif_carrier_on(dev);
294 } else {
295 if (netif_carrier_ok(dev))
296 netif_carrier_off(dev);
297 }
298}
299
300static int veth_device_event(struct notifier_block *unused,
301 unsigned long event, void *ptr)
302{
303 struct net_device *dev = ptr;
304
305 if (dev->netdev_ops->ndo_open != veth_open)
306 goto out;
307
308 switch (event) {
309 case NETDEV_CHANGE:
310 veth_change_state(dev);
311 break;
312 }
313out:
314 return NOTIFY_DONE;
315}
316
317static struct notifier_block veth_notifier_block __read_mostly = {
318 .notifier_call = veth_device_event,
319};
320
321/* 294/*
322 * netlink interface 295 * netlink interface
323 */ 296 */
@@ -468,14 +441,12 @@ static struct rtnl_link_ops veth_link_ops = {
468 441
469static __init int veth_init(void) 442static __init int veth_init(void)
470{ 443{
471 register_netdevice_notifier(&veth_notifier_block);
472 return rtnl_link_register(&veth_link_ops); 444 return rtnl_link_register(&veth_link_ops);
473} 445}
474 446
475static __exit void veth_exit(void) 447static __exit void veth_exit(void)
476{ 448{
477 rtnl_link_unregister(&veth_link_ops); 449 rtnl_link_unregister(&veth_link_ops);
478 unregister_netdevice_notifier(&veth_notifier_block);
479} 450}
480 451
481module_init(veth_init); 452module_init(veth_init);