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path: root/drivers/net/veth.c
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Diffstat (limited to 'drivers/net/veth.c')
-rw-r--r--drivers/net/veth.c60
1 files changed, 16 insertions, 44 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 852d0e7c4e62..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;
@@ -263,10 +273,12 @@ static void veth_dev_free(struct net_device *dev)
263} 273}
264 274
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,
268 .ndo_start_xmit = veth_xmit, 278 .ndo_stop = veth_close,
269 .ndo_get_stats = veth_get_stats, 279 .ndo_start_xmit = veth_xmit,
280 .ndo_get_stats = veth_get_stats,
281 .ndo_set_mac_address = eth_mac_addr,
270}; 282};
271 283
272static void veth_setup(struct net_device *dev) 284static void veth_setup(struct net_device *dev)
@@ -279,44 +291,6 @@ static void veth_setup(struct net_device *dev)
279 dev->destructor = veth_dev_free; 291 dev->destructor = veth_dev_free;
280} 292}
281 293
282static void veth_change_state(struct net_device *dev)
283{
284 struct net_device *peer;
285 struct veth_priv *priv;
286
287 priv = netdev_priv(dev);
288 peer = priv->peer;
289
290 if (netif_carrier_ok(peer)) {
291 if (!netif_carrier_ok(dev))
292 netif_carrier_on(dev);
293 } else {
294 if (netif_carrier_ok(dev))
295 netif_carrier_off(dev);
296 }
297}
298
299static int veth_device_event(struct notifier_block *unused,
300 unsigned long event, void *ptr)
301{
302 struct net_device *dev = ptr;
303
304 if (dev->netdev_ops->ndo_open != veth_open)
305 goto out;
306
307 switch (event) {
308 case NETDEV_CHANGE:
309 veth_change_state(dev);
310 break;
311 }
312out:
313 return NOTIFY_DONE;
314}
315
316static struct notifier_block veth_notifier_block __read_mostly = {
317 .notifier_call = veth_device_event,
318};
319
320/* 294/*
321 * netlink interface 295 * netlink interface
322 */ 296 */
@@ -467,14 +441,12 @@ static struct rtnl_link_ops veth_link_ops = {
467 441
468static __init int veth_init(void) 442static __init int veth_init(void)
469{ 443{
470 register_netdevice_notifier(&veth_notifier_block);
471 return rtnl_link_register(&veth_link_ops); 444 return rtnl_link_register(&veth_link_ops);
472} 445}
473 446
474static __exit void veth_exit(void) 447static __exit void veth_exit(void)
475{ 448{
476 rtnl_link_unregister(&veth_link_ops); 449 rtnl_link_unregister(&veth_link_ops);
477 unregister_netdevice_notifier(&veth_notifier_block);
478} 450}
479 451
480module_init(veth_init); 452module_init(veth_init);