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Diffstat (limited to 'net/ipv4/proc.c')
-rw-r--r--net/ipv4/proc.c71
1 files changed, 59 insertions, 12 deletions
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index d63474c6b400..552169b41b16 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -51,24 +51,54 @@
*/
static int sockstat_seq_show(struct seq_file *seq, void *v)
{
+ struct net *net = seq->private;
+
socket_seq_show(seq);
seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %d\n",
- sock_prot_inuse_get(&tcp_prot),
+ sock_prot_inuse_get(net, &tcp_prot),
atomic_read(&tcp_orphan_count),
tcp_death_row.tw_count, atomic_read(&tcp_sockets_allocated),
atomic_read(&tcp_memory_allocated));
- seq_printf(seq, "UDP: inuse %d mem %d\n", sock_prot_inuse_get(&udp_prot),
+ seq_printf(seq, "UDP: inuse %d mem %d\n",
+ sock_prot_inuse_get(net, &udp_prot),
atomic_read(&udp_memory_allocated));
- seq_printf(seq, "UDPLITE: inuse %d\n", sock_prot_inuse_get(&udplite_prot));
- seq_printf(seq, "RAW: inuse %d\n", sock_prot_inuse_get(&raw_prot));
+ seq_printf(seq, "UDPLITE: inuse %d\n",
+ sock_prot_inuse_get(net, &udplite_prot));
+ seq_printf(seq, "RAW: inuse %d\n",
+ sock_prot_inuse_get(net, &raw_prot));
seq_printf(seq, "FRAG: inuse %d memory %d\n",
- ip_frag_nqueues(&init_net), ip_frag_mem(&init_net));
+ ip_frag_nqueues(net), ip_frag_mem(net));
return 0;
}
static int sockstat_seq_open(struct inode *inode, struct file *file)
{
- return single_open(file, sockstat_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, sockstat_seq_show, net);
+ if (err < 0)
+ goto err_open;
+
+ return 0;
+
+err_open:
+ put_net(net);
+err_net:
+ return err;
+}
+
+static int sockstat_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 sockstat_seq_fops = {
@@ -76,7 +106,7 @@ static const struct file_operations sockstat_seq_fops = {
.open = sockstat_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = single_release,
+ .release = sockstat_seq_release,
};
/* snmp items */
@@ -423,25 +453,42 @@ static const struct file_operations netstat_seq_fops = {
.release = single_release,
};
+static __net_init int ip_proc_init_net(struct net *net)
+{
+ if (!proc_net_fops_create(net, "sockstat", S_IRUGO, &sockstat_seq_fops))
+ return -ENOMEM;
+ return 0;
+}
+
+static __net_exit void ip_proc_exit_net(struct net *net)
+{
+ proc_net_remove(net, "sockstat");
+}
+
+static __net_initdata struct pernet_operations ip_proc_ops = {
+ .init = ip_proc_init_net,
+ .exit = ip_proc_exit_net,
+};
+
int __init ip_misc_proc_init(void)
{
int rc = 0;
+ if (register_pernet_subsys(&ip_proc_ops))
+ goto out_pernet;
+
if (!proc_net_fops_create(&init_net, "netstat", S_IRUGO, &netstat_seq_fops))
goto out_netstat;
if (!proc_net_fops_create(&init_net, "snmp", S_IRUGO, &snmp_seq_fops))
goto out_snmp;
-
- if (!proc_net_fops_create(&init_net, "sockstat", S_IRUGO, &sockstat_seq_fops))
- goto out_sockstat;
out:
return rc;
-out_sockstat:
- proc_net_remove(&init_net, "snmp");
out_snmp:
proc_net_remove(&init_net, "netstat");
out_netstat:
+ unregister_pernet_subsys(&ip_proc_ops);
+out_pernet:
rc = -ENOMEM;
goto out;
}