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Diffstat (limited to 'net/ipv6/proc.c')
-rw-r--r--net/ipv6/proc.c73
1 files changed, 61 insertions, 12 deletions
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 199ef379e501..ca8b82f96fe5 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -35,16 +35,18 @@ static struct proc_dir_entry *proc_net_devsnmp6;
static int sockstat6_seq_show(struct seq_file *seq, void *v)
{
+ struct net *net = seq->private;
+
seq_printf(seq, "TCP6: inuse %d\n",
- sock_prot_inuse_get(&tcpv6_prot));
+ sock_prot_inuse_get(net, &tcpv6_prot));
seq_printf(seq, "UDP6: inuse %d\n",
- sock_prot_inuse_get(&udpv6_prot));
+ sock_prot_inuse_get(net, &udpv6_prot));
seq_printf(seq, "UDPLITE6: inuse %d\n",
- sock_prot_inuse_get(&udplitev6_prot));
+ sock_prot_inuse_get(net, &udplitev6_prot));
seq_printf(seq, "RAW6: inuse %d\n",
- sock_prot_inuse_get(&rawv6_prot));
+ sock_prot_inuse_get(net, &rawv6_prot));
seq_printf(seq, "FRAG6: inuse %d memory %d\n",
- ip6_frag_nqueues(&init_net), ip6_frag_mem(&init_net));
+ ip6_frag_nqueues(net), ip6_frag_mem(net));
return 0;
}
@@ -183,7 +185,32 @@ static int snmp6_seq_show(struct seq_file *seq, void *v)
static int sockstat6_seq_open(struct inode *inode, struct file *file)
{
- return single_open(file, sockstat6_seq_show, NULL);
+ int err;
+ struct net *net;
+
+ err = -ENXIO;
+ net = get_proc_net(inode);
+ if (net == NULL)
+ goto err_net;
+
+ err = single_open(file, sockstat6_seq_show, net);
+ if (err < 0)
+ goto err_open;
+
+ return 0;
+
+err_open:
+ put_net(net);
+err_net:
+ return err;
+}
+
+static int sockstat6_seq_release(struct inode *inode, struct file *file)
+{
+ struct net *net = ((struct seq_file *)file->private_data)->private;
+
+ put_net(net);
+ return single_release(inode, file);
}
static const struct file_operations sockstat6_seq_fops = {
@@ -191,7 +218,7 @@ static const struct file_operations sockstat6_seq_fops = {
.open = sockstat6_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = single_release,
+ .release = sockstat6_seq_release,
};
static int snmp6_seq_open(struct inode *inode, struct file *file)
@@ -214,6 +241,9 @@ int snmp6_register_dev(struct inet6_dev *idev)
if (!idev || !idev->dev)
return -EINVAL;
+ if (dev_net(idev->dev) != &init_net)
+ return 0;
+
if (!proc_net_devsnmp6)
return -ENOENT;
@@ -240,27 +270,45 @@ int snmp6_unregister_dev(struct inet6_dev *idev)
return 0;
}
+static int ipv6_proc_init_net(struct net *net)
+{
+ if (!proc_net_fops_create(net, "sockstat6", S_IRUGO,
+ &sockstat6_seq_fops))
+ return -ENOMEM;
+ return 0;
+}
+
+static void ipv6_proc_exit_net(struct net *net)
+{
+ proc_net_remove(net, "sockstat6");
+}
+
+static struct pernet_operations ipv6_proc_ops = {
+ .init = ipv6_proc_init_net,
+ .exit = ipv6_proc_exit_net,
+};
+
int __init ipv6_misc_proc_init(void)
{
int rc = 0;
+ if (register_pernet_subsys(&ipv6_proc_ops))
+ goto proc_net_fail;
+
if (!proc_net_fops_create(&init_net, "snmp6", S_IRUGO, &snmp6_seq_fops))
goto proc_snmp6_fail;
proc_net_devsnmp6 = proc_mkdir("dev_snmp6", init_net.proc_net);
if (!proc_net_devsnmp6)
goto proc_dev_snmp6_fail;
-
- if (!proc_net_fops_create(&init_net, "sockstat6", S_IRUGO, &sockstat6_seq_fops))
- goto proc_sockstat6_fail;
out:
return rc;
-proc_sockstat6_fail:
- proc_net_remove(&init_net, "dev_snmp6");
proc_dev_snmp6_fail:
proc_net_remove(&init_net, "snmp6");
proc_snmp6_fail:
+ unregister_pernet_subsys(&ipv6_proc_ops);
+proc_net_fail:
rc = -ENOMEM;
goto out;
}
@@ -270,5 +318,6 @@ void ipv6_misc_proc_exit(void)
proc_net_remove(&init_net, "sockstat6");
proc_net_remove(&init_net, "dev_snmp6");
proc_net_remove(&init_net, "snmp6");
+ unregister_pernet_subsys(&ipv6_proc_ops);
}