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Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c58
1 files changed, 40 insertions, 18 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index f49bd7897e95..ab99cb641b7c 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3438,6 +3438,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
} else if (event == NETDEV_CHANGE) {
if (!addrconf_link_ready(dev)) {
/* device is still not ready. */
+ rt6_sync_down_dev(dev, event);
break;
}
@@ -3449,6 +3450,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
* multicast snooping switches
*/
ipv6_mc_up(idev);
+ rt6_sync_up(dev, RTNH_F_LINKDOWN);
break;
}
idev->if_flags |= IF_READY;
@@ -3484,6 +3486,9 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
if (run_pending)
addrconf_dad_run(idev);
+ /* Device has an address by now */
+ rt6_sync_up(dev, RTNH_F_DEAD);
+
/*
* If the MTU changed during the interface down,
* when the interface up, the changed MTU must be
@@ -3577,6 +3582,7 @@ static bool addr_is_local(const struct in6_addr *addr)
static int addrconf_ifdown(struct net_device *dev, int how)
{
+ unsigned long event = how ? NETDEV_UNREGISTER : NETDEV_DOWN;
struct net *net = dev_net(dev);
struct inet6_dev *idev;
struct inet6_ifaddr *ifa, *tmp;
@@ -3586,8 +3592,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
ASSERT_RTNL();
- rt6_ifdown(net, dev);
- neigh_ifdown(&nd_tbl, dev);
+ rt6_disable_ip(dev, event);
idev = __in6_dev_get(dev);
if (!idev)
@@ -4209,7 +4214,6 @@ static int if6_seq_open(struct inode *inode, struct file *file)
}
static const struct file_operations if6_fops = {
- .owner = THIS_MODULE,
.open = if6_seq_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -6595,27 +6599,45 @@ int __init addrconf_init(void)
rtnl_af_register(&inet6_ops);
- err = __rtnl_register(PF_INET6, RTM_GETLINK, NULL, inet6_dump_ifinfo,
- 0);
+ err = rtnl_register_module(THIS_MODULE, PF_INET6, RTM_GETLINK,
+ NULL, inet6_dump_ifinfo, 0);
if (err < 0)
goto errout;
- /* Only the first call to __rtnl_register can fail */
- __rtnl_register(PF_INET6, RTM_NEWADDR, inet6_rtm_newaddr, NULL, 0);
- __rtnl_register(PF_INET6, RTM_DELADDR, inet6_rtm_deladdr, NULL, 0);
- __rtnl_register(PF_INET6, RTM_GETADDR, inet6_rtm_getaddr,
- inet6_dump_ifaddr, RTNL_FLAG_DOIT_UNLOCKED);
- __rtnl_register(PF_INET6, RTM_GETMULTICAST, NULL,
- inet6_dump_ifmcaddr, 0);
- __rtnl_register(PF_INET6, RTM_GETANYCAST, NULL,
- inet6_dump_ifacaddr, 0);
- __rtnl_register(PF_INET6, RTM_GETNETCONF, inet6_netconf_get_devconf,
- inet6_netconf_dump_devconf, RTNL_FLAG_DOIT_UNLOCKED);
-
- ipv6_addr_label_rtnl_register();
+ err = rtnl_register_module(THIS_MODULE, PF_INET6, RTM_NEWADDR,
+ inet6_rtm_newaddr, NULL, 0);
+ if (err < 0)
+ goto errout;
+ err = rtnl_register_module(THIS_MODULE, PF_INET6, RTM_DELADDR,
+ inet6_rtm_deladdr, NULL, 0);
+ if (err < 0)
+ goto errout;
+ err = rtnl_register_module(THIS_MODULE, PF_INET6, RTM_GETADDR,
+ inet6_rtm_getaddr, inet6_dump_ifaddr,
+ RTNL_FLAG_DOIT_UNLOCKED);
+ if (err < 0)
+ goto errout;
+ err = rtnl_register_module(THIS_MODULE, PF_INET6, RTM_GETMULTICAST,
+ NULL, inet6_dump_ifmcaddr, 0);
+ if (err < 0)
+ goto errout;
+ err = rtnl_register_module(THIS_MODULE, PF_INET6, RTM_GETANYCAST,
+ NULL, inet6_dump_ifacaddr, 0);
+ if (err < 0)
+ goto errout;
+ err = rtnl_register_module(THIS_MODULE, PF_INET6, RTM_GETNETCONF,
+ inet6_netconf_get_devconf,
+ inet6_netconf_dump_devconf,
+ RTNL_FLAG_DOIT_UNLOCKED);
+ if (err < 0)
+ goto errout;
+ err = ipv6_addr_label_rtnl_register();
+ if (err < 0)
+ goto errout;
return 0;
errout:
+ rtnl_unregister_all(PF_INET6);
rtnl_af_unregister(&inet6_ops);
unregister_netdevice_notifier(&ipv6_dev_notf);
errlo: