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netns xfrm: /proc/net/xfrm_stat in netns

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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2008-11-25 18:00:14 -08:00 committed by David S. Miller
parent 59c9940ed0
commit c68cd1a01b
3 changed files with 22 additions and 20 deletions
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3
include/net/xfrm.h
View file

@ -1306,7 +1306,8 @@ static inline void xfrm6_fini(void)
#endif
#ifdef CONFIG_XFRM_STATISTICS
extern int xfrm_proc_init(void);
extern int xfrm_proc_init(struct net *net);
extern void xfrm_proc_fini(struct net *net);
#endif
extern void xfrm_state_walk_init(struct xfrm_state_walk *walk, u8 proto);

11
net/xfrm/xfrm_policy.c
View file

@ -2377,14 +2377,20 @@ static struct notifier_block xfrm_dev_notifier = {
#ifdef CONFIG_XFRM_STATISTICS
static int __net_init xfrm_statistics_init(struct net *net)
{
int rv;
if (snmp_mib_init((void **)net->mib.xfrm_statistics,
sizeof(struct linux_xfrm_mib)) < 0)
return -ENOMEM;
return 0;
rv = xfrm_proc_init(net);
if (rv < 0)
snmp_mib_free((void **)net->mib.xfrm_statistics);
return rv;
}
static void xfrm_statistics_fini(struct net *net)
{
xfrm_proc_fini(net);
snmp_mib_free((void **)net->mib.xfrm_statistics);
}
#else
@ -2524,9 +2530,6 @@ void __init xfrm_init(void)
{
register_pernet_subsys(&xfrm_net_ops);
xfrm_input_init();
#ifdef CONFIG_XFRM_STATISTICS
xfrm_proc_init();
#endif
}
#ifdef CONFIG_AUDITSYSCALL

28
net/xfrm/xfrm_proc.c
View file

@ -59,17 +59,18 @@ fold_field(void *mib[], int offt)
static int xfrm_statistics_seq_show(struct seq_file *seq, void *v)
{
struct net *net = seq->private;
int i;
for (i=0; xfrm_mib_list[i].name; i++)
seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name,
fold_field((void **)init_net.mib.xfrm_statistics,
fold_field((void **)net->mib.xfrm_statistics,
xfrm_mib_list[i].entry));
return 0;
}
static int xfrm_statistics_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, xfrm_statistics_seq_show, NULL);
return single_open_net(inode, file, xfrm_statistics_seq_show);
}
static struct file_operations xfrm_statistics_seq_fops = {
@ -77,21 +78,18 @@ static struct file_operations xfrm_statistics_seq_fops = {
.open = xfrm_statistics_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.release = single_release_net,
};
int __init xfrm_proc_init(void)
int __net_init xfrm_proc_init(struct net *net)
{
int rc = 0;
if (!proc_net_fops_create(&init_net, "xfrm_stat", S_IRUGO,
if (!proc_net_fops_create(net, "xfrm_stat", S_IRUGO,
&xfrm_statistics_seq_fops))
goto stat_fail;
out:
return rc;
stat_fail:
rc = -ENOMEM;
goto out;
return -ENOMEM;
return 0;
}
void xfrm_proc_fini(struct net *net)
{
proc_net_remove(net, "xfrm_stat");
}