linux/net/xfrm/xfrm_sysctl.c
Eric W. Biederman ec8f23ce0f net: Convert all sysctl registrations to register_net_sysctl
This results in code with less boiler plate that is a bit easier
to read.

Additionally stops us from using compatibility code in the sysctl
core, hastening the day when the compatibility code can be removed.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-20 21:22:30 -04:00

82 lines
1.7 KiB
C

#include <linux/sysctl.h>
#include <linux/slab.h>
#include <net/net_namespace.h>
#include <net/xfrm.h>
static void __net_init __xfrm_sysctl_init(struct net *net)
{
net->xfrm.sysctl_aevent_etime = XFRM_AE_ETIME;
net->xfrm.sysctl_aevent_rseqth = XFRM_AE_SEQT_SIZE;
net->xfrm.sysctl_larval_drop = 1;
net->xfrm.sysctl_acq_expires = 30;
}
#ifdef CONFIG_SYSCTL
static struct ctl_table xfrm_table[] = {
{
.procname = "xfrm_aevent_etime",
.maxlen = sizeof(u32),
.mode = 0644,
.proc_handler = proc_dointvec
},
{
.procname = "xfrm_aevent_rseqth",
.maxlen = sizeof(u32),
.mode = 0644,
.proc_handler = proc_dointvec
},
{
.procname = "xfrm_larval_drop",
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec
},
{
.procname = "xfrm_acq_expires",
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec
},
{}
};
int __net_init xfrm_sysctl_init(struct net *net)
{
struct ctl_table *table;
__xfrm_sysctl_init(net);
table = kmemdup(xfrm_table, sizeof(xfrm_table), GFP_KERNEL);
if (!table)
goto out_kmemdup;
table[0].data = &net->xfrm.sysctl_aevent_etime;
table[1].data = &net->xfrm.sysctl_aevent_rseqth;
table[2].data = &net->xfrm.sysctl_larval_drop;
table[3].data = &net->xfrm.sysctl_acq_expires;
net->xfrm.sysctl_hdr = register_net_sysctl(net, "net/core", table);
if (!net->xfrm.sysctl_hdr)
goto out_register;
return 0;
out_register:
kfree(table);
out_kmemdup:
return -ENOMEM;
}
void __net_exit xfrm_sysctl_fini(struct net *net)
{
struct ctl_table *table;
table = net->xfrm.sysctl_hdr->ctl_table_arg;
unregister_net_sysctl_table(net->xfrm.sysctl_hdr);
kfree(table);
}
#else
int __net_init xfrm_sysctl_init(struct net *net)
{
__xfrm_sysctl_init(net);
return 0;
}
#endif