Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3c40090a0f5b69deecc5ca615f994957f949333d
Commit: 3c40090a0f5b69deecc5ca615f994957f949333d
Parent: 39971554d3469b48154f34257ad4a35081b7ee40
Author: Daniel Lezcano <[EMAIL PROTECTED]>
AuthorDate: Thu Jan 10 22:42:49 2008 -0800
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 15:01:43 2008 -0800
[NETNS][IPV6]: inet6_addr - isolate inet6 addresses from proc file
Make /proc/net/if_inet6 show only inet6 addresses belonging to the
namespace.
Signed-off-by: Daniel Lezcano <[EMAIL PROTECTED]>
Signed-off-by: Benjamin Thery <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
net/ipv6/addrconf.c | 41 +++++++++++++++++++++++++++++++++++------
1 files changed, 35 insertions(+), 6 deletions(-)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index cd90f9a..d7b4403 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2736,6 +2736,7 @@ static void addrconf_dad_run(struct inet6_dev *idev) {
#ifdef CONFIG_PROC_FS
struct if6_iter_state {
+ struct seq_net_private p;
int bucket;
};
@@ -2743,9 +2744,13 @@ static struct inet6_ifaddr *if6_get_first(struct
seq_file *seq)
{
struct inet6_ifaddr *ifa = NULL;
struct if6_iter_state *state = seq->private;
+ struct net *net = state->p.net;
for (state->bucket = 0; state->bucket < IN6_ADDR_HSIZE;
++state->bucket) {
ifa = inet6_addr_lst[state->bucket];
+
+ while (ifa && ifa->idev->dev->nd_net != net)
+ ifa = ifa->lst_next;
if (ifa)
break;
}
@@ -2755,13 +2760,22 @@ static struct inet6_ifaddr *if6_get_first(struct
seq_file *seq)
static struct inet6_ifaddr *if6_get_next(struct seq_file *seq, struct
inet6_ifaddr *ifa)
{
struct if6_iter_state *state = seq->private;
+ struct net *net = state->p.net;
ifa = ifa->lst_next;
try_again:
+ if (ifa) {
+ if (ifa->idev->dev->nd_net != net) {
+ ifa = ifa->lst_next;
+ goto try_again;
+ }
+ }
+
if (!ifa && ++state->bucket < IN6_ADDR_HSIZE) {
ifa = inet6_addr_lst[state->bucket];
goto try_again;
}
+
return ifa;
}
@@ -2818,8 +2832,8 @@ static const struct seq_operations if6_seq_ops = {
static int if6_seq_open(struct inode *inode, struct file *file)
{
- return seq_open_private(file, &if6_seq_ops,
- sizeof(struct if6_iter_state));
+ return seq_open_net(inode, file, &if6_seq_ops,
+ sizeof(struct if6_iter_state));
}
static const struct file_operations if6_fops = {
@@ -2827,19 +2841,34 @@ static const struct file_operations if6_fops = {
.open = if6_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release_private,
+ .release = seq_release_net,
};
-int __init if6_proc_init(void)
+static int if6_proc_net_init(struct net *net)
{
- if (!proc_net_fops_create(&init_net, "if_inet6", S_IRUGO, &if6_fops))
+ if (!proc_net_fops_create(net, "if_inet6", S_IRUGO, &if6_fops))
return -ENOMEM;
return 0;
}
+static void if6_proc_net_exit(struct net *net)
+{
+ proc_net_remove(net, "if_inet6");
+}
+
+static struct pernet_operations if6_proc_net_ops = {
+ .init = if6_proc_net_init,
+ .exit = if6_proc_net_exit,
+};
+
+int __init if6_proc_init(void)
+{
+ return register_pernet_subsys(&if6_proc_net_ops);
+}
+
void if6_proc_exit(void)
{
- proc_net_remove(&init_net, "if_inet6");
+ unregister_pernet_subsys(&if6_proc_net_ops);
}
#endif /* CONFIG_PROC_FS */
-
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