aboutsummaryrefslogtreecommitdiff
path: root/net/ipv6/addrconf.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c95
1 files changed, 49 insertions, 46 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 45b4c82148a..52d10d21321 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -62,6 +62,7 @@
#include <linux/notifier.h>
#include <linux/string.h>
+#include <net/net_namespace.h>
#include <net/sock.h>
#include <net/snmp.h>
@@ -73,6 +74,7 @@
#include <net/tcp.h>
#include <net/ip.h>
#include <net/netlink.h>
+#include <net/pkt_sched.h>
#include <linux/if_tunnel.h>
#include <linux/rtnetlink.h>
@@ -212,6 +214,12 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT;
const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
+/* Check if a valid qdisc is available */
+static inline int addrconf_qdisc_ok(struct net_device *dev)
+{
+ return (dev->qdisc != &noop_qdisc);
+}
+
static void addrconf_del_timer(struct inet6_ifaddr *ifp)
{
if (del_timer(&ifp->timer))
@@ -260,9 +268,15 @@ static int snmp6_alloc_dev(struct inet6_dev *idev)
sizeof(struct icmpv6_mib),
__alignof__(struct icmpv6_mib)) < 0)
goto err_icmp;
+ if (snmp_mib_init((void **)idev->stats.icmpv6msg,
+ sizeof(struct icmpv6msg_mib),
+ __alignof__(struct icmpv6msg_mib)) < 0)
+ goto err_icmpmsg;
return 0;
+err_icmpmsg:
+ snmp_mib_free((void **)idev->stats.icmpv6);
err_icmp:
snmp_mib_free((void **)idev->stats.ipv6);
err_ip:
@@ -271,6 +285,7 @@ err_ip:
static int snmp6_free_dev(struct inet6_dev *idev)
{
+ snmp_mib_free((void **)idev->stats.icmpv6msg);
snmp_mib_free((void **)idev->stats.icmpv6);
snmp_mib_free((void **)idev->stats.ipv6);
return 0;
@@ -376,7 +391,7 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
}
#endif
- if (netif_running(dev) && netif_carrier_ok(dev))
+ if (netif_running(dev) && addrconf_qdisc_ok(dev))
ndev->if_flags |= IF_READY;
ipv6_mc_init_dev(ndev);
@@ -449,7 +464,7 @@ static void addrconf_forward_change(void)
struct inet6_dev *idev;
read_lock(&dev_base_lock);
- for_each_netdev(dev) {
+ for_each_netdev(&init_net, dev) {
rcu_read_lock();
idev = __in6_dev_get(dev);
if (idev) {
@@ -911,7 +926,7 @@ int ipv6_dev_get_saddr(struct net_device *daddr_dev,
read_lock(&dev_base_lock);
rcu_read_lock();
- for_each_netdev(dev) {
+ for_each_netdev(&init_net, dev) {
struct inet6_dev *idev;
struct inet6_ifaddr *ifa;
@@ -1857,7 +1872,7 @@ int addrconf_set_dstaddr(void __user *arg)
if (copy_from_user(&ireq, arg, sizeof(struct in6_ifreq)))
goto err_exit;
- dev = __dev_get_by_index(ireq.ifr6_ifindex);
+ dev = __dev_get_by_index(&init_net, ireq.ifr6_ifindex);
err = -ENODEV;
if (dev == NULL)
@@ -1888,7 +1903,7 @@ int addrconf_set_dstaddr(void __user *arg)
if (err == 0) {
err = -ENOBUFS;
- if ((dev = __dev_get_by_name(p.name)) == NULL)
+ if ((dev = __dev_get_by_name(&init_net, p.name)) == NULL)
goto err_exit;
err = dev_open(dev);
}
@@ -1918,7 +1933,7 @@ static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen,
if (!valid_lft || prefered_lft > valid_lft)
return -EINVAL;
- if ((dev = __dev_get_by_index(ifindex)) == NULL)
+ if ((dev = __dev_get_by_index(&init_net, ifindex)) == NULL)
return -ENODEV;
if ((idev = addrconf_add_dev(dev)) == NULL)
@@ -1969,7 +1984,7 @@ static int inet6_addr_del(int ifindex, struct in6_addr *pfx, int plen)
struct inet6_dev *idev;
struct net_device *dev;
- if ((dev = __dev_get_by_index(ifindex)) == NULL)
+ if ((dev = __dev_get_by_index(&init_net, ifindex)) == NULL)
return -ENODEV;
if ((idev = __in6_dev_get(dev)) == NULL)
@@ -2064,7 +2079,7 @@ static void sit_add_v4_addrs(struct inet6_dev *idev)
return;
}
- for_each_netdev(dev) {
+ for_each_netdev(&init_net, dev) {
struct in_device * in_dev = __in_dev_get_rtnl(dev);
if (in_dev && (dev->flags & IFF_UP)) {
struct in_ifaddr * ifa;
@@ -2220,12 +2235,12 @@ static void ip6_tnl_add_linklocal(struct inet6_dev *idev)
/* first try to inherit the link-local address from the link device */
if (idev->dev->iflink &&
- (link_dev = __dev_get_by_index(idev->dev->iflink))) {
+ (link_dev = __dev_get_by_index(&init_net, idev->dev->iflink))) {
if (!ipv6_inherit_linklocal(idev, link_dev))
return;
}
/* then try to inherit it from any device */
- for_each_netdev(link_dev) {
+ for_each_netdev(&init_net, link_dev) {
if (!ipv6_inherit_linklocal(idev, link_dev))
return;
}
@@ -2258,6 +2273,9 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
int run_pending = 0;
int err;
+ if (dev->nd_net != &init_net)
+ return NOTIFY_DONE;
+
switch(event) {
case NETDEV_REGISTER:
if (!idev && dev->mtu >= IPV6_MIN_MTU) {
@@ -2272,7 +2290,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
break;
if (event == NETDEV_UP) {
- if (!netif_carrier_ok(dev)) {
+ if (!addrconf_qdisc_ok(dev)) {
/* device is not ready yet. */
printk(KERN_INFO
"ADDRCONF(NETDEV_UP): %s: "
@@ -2284,7 +2302,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
if (idev)
idev->if_flags |= IF_READY;
} else {
- if (!netif_carrier_ok(dev)) {
+ if (!addrconf_qdisc_ok(dev)) {
/* device is still not ready. */
break;
}
@@ -2399,7 +2417,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
ASSERT_RTNL();
- if (dev == &loopback_dev && how == 1)
+ if (dev == init_net.loopback_dev && how == 1)
how = 0;
rt6_ifdown(dev);
@@ -2491,9 +2509,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
else
ipv6_mc_down(idev);
- /* Step 5: netlink notification of this interface */
idev->tstamp = jiffies;
- inet6_ifinfo_notify(RTM_DELLINK, idev);
/* Shot the device (if unregistered) */
@@ -2797,24 +2813,8 @@ static const struct seq_operations if6_seq_ops = {
static int if6_seq_open(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int rc = -ENOMEM;
- struct if6_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-
- if (!s)
- goto out;
-
- rc = seq_open(file, &if6_seq_ops);
- if (rc)
- goto out_kfree;
-
- seq = file->private_data;
- seq->private = s;
-out:
- return rc;
-out_kfree:
- kfree(s);
- goto out;
+ return seq_open_private(file, &if6_seq_ops,
+ sizeof(struct if6_iter_state));
}
static const struct file_operations if6_fops = {
@@ -2827,14 +2827,14 @@ static const struct file_operations if6_fops = {
int __init if6_proc_init(void)
{
- if (!proc_net_fops_create("if_inet6", S_IRUGO, &if6_fops))
+ if (!proc_net_fops_create(&init_net, "if_inet6", S_IRUGO, &if6_fops))
return -ENOMEM;
return 0;
}
void if6_proc_exit(void)
{
- proc_net_remove("if_inet6");
+ proc_net_remove(&init_net, "if_inet6");
}
#endif /* CONFIG_PROC_FS */
@@ -3080,7 +3080,7 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
valid_lft = INFINITY_LIFE_TIME;
}
- dev = __dev_get_by_index(ifm->ifa_index);
+ dev = __dev_get_by_index(&init_net, ifm->ifa_index);
if (dev == NULL)
return -ENODEV;
@@ -3264,7 +3264,7 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
s_ip_idx = ip_idx = cb->args[1];
idx = 0;
- for_each_netdev(dev) {
+ for_each_netdev(&init_net, dev) {
if (idx < s_idx)
goto cont;
if (idx > s_idx)
@@ -3373,7 +3373,7 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr* nlh,
ifm = nlmsg_data(nlh);
if (ifm->ifa_index)
- dev = __dev_get_by_index(ifm->ifa_index);
+ dev = __dev_get_by_index(&init_net, ifm->ifa_index);
if ((ifa = ipv6_get_ifaddr(addr, dev, 1)) == NULL) {
err = -EADDRNOTAVAIL;
@@ -3585,7 +3585,7 @@ static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
read_lock(&dev_base_lock);
idx = 0;
- for_each_netdev(dev) {
+ for_each_netdev(&init_net, dev) {
if (idx < s_idx)
goto cont;
if ((idev = in6_dev_get(dev)) == NULL)
@@ -4203,16 +4203,19 @@ int __init addrconf_init(void)
* device and it being up should be removed.
*/
rtnl_lock();
- if (!ipv6_add_dev(&loopback_dev))
+ if (!ipv6_add_dev(init_net.loopback_dev))
err = -ENOMEM;
rtnl_unlock();
if (err)
return err;
- ip6_null_entry.rt6i_idev = in6_dev_get(&loopback_dev);
+ ip6_null_entry.u.dst.dev = init_net.loopback_dev;
+ ip6_null_entry.rt6i_idev = in6_dev_get(init_net.loopback_dev);
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
- ip6_prohibit_entry.rt6i_idev = in6_dev_get(&loopback_dev);
- ip6_blk_hole_entry.rt6i_idev = in6_dev_get(&loopback_dev);
+ ip6_prohibit_entry.u.dst.dev = init_net.loopback_dev;
+ ip6_prohibit_entry.rt6i_idev = in6_dev_get(init_net.loopback_dev);
+ ip6_blk_hole_entry.u.dst.dev = init_net.loopback_dev;
+ ip6_blk_hole_entry.rt6i_idev = in6_dev_get(init_net.loopback_dev);
#endif
register_netdevice_notifier(&ipv6_dev_notf);
@@ -4262,12 +4265,12 @@ void __exit addrconf_cleanup(void)
* clean dev list.
*/
- for_each_netdev(dev) {
+ for_each_netdev(&init_net, dev) {
if (__in6_dev_get(dev) == NULL)
continue;
addrconf_ifdown(dev, 1);
}
- addrconf_ifdown(&loopback_dev, 2);
+ addrconf_ifdown(init_net.loopback_dev, 2);
/*
* Check hash table.
@@ -4293,6 +4296,6 @@ void __exit addrconf_cleanup(void)
rtnl_unlock();
#ifdef CONFIG_PROC_FS
- proc_net_remove("if_inet6");
+ proc_net_remove(&init_net, "if_inet6");
#endif
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-06 08:18:58 +0000