blob: 2e6ffb66f06f1a2ee7bf935ab216ba9658278fdb [file] [log] [blame]
Alexey Dobriyanb27aead2008-11-25 18:00:48 -08001#include <linux/sysctl.h>
2#include <net/net_namespace.h>
3#include <net/xfrm.h>
4
5static void __xfrm_sysctl_init(struct net *net)
6{
7 net->xfrm.sysctl_aevent_etime = XFRM_AE_ETIME;
8 net->xfrm.sysctl_aevent_rseqth = XFRM_AE_SEQT_SIZE;
9 net->xfrm.sysctl_larval_drop = 1;
10 net->xfrm.sysctl_acq_expires = 30;
11}
12
13#ifdef CONFIG_SYSCTL
14static struct ctl_table xfrm_table[] = {
15 {
16 .ctl_name = NET_CORE_AEVENT_ETIME,
17 .procname = "xfrm_aevent_etime",
18 .maxlen = sizeof(u32),
19 .mode = 0644,
20 .proc_handler = proc_dointvec
21 },
22 {
23 .ctl_name = NET_CORE_AEVENT_RSEQTH,
24 .procname = "xfrm_aevent_rseqth",
25 .maxlen = sizeof(u32),
26 .mode = 0644,
27 .proc_handler = proc_dointvec
28 },
29 {
30 .ctl_name = CTL_UNNUMBERED,
31 .procname = "xfrm_larval_drop",
32 .maxlen = sizeof(int),
33 .mode = 0644,
34 .proc_handler = proc_dointvec
35 },
36 {
37 .ctl_name = CTL_UNNUMBERED,
38 .procname = "xfrm_acq_expires",
39 .maxlen = sizeof(int),
40 .mode = 0644,
41 .proc_handler = proc_dointvec
42 },
43 {}
44};
45
46int __net_init xfrm_sysctl_init(struct net *net)
47{
48 struct ctl_table *table;
49
50 __xfrm_sysctl_init(net);
51
52 table = kmemdup(xfrm_table, sizeof(xfrm_table), GFP_KERNEL);
53 if (!table)
54 goto out_kmemdup;
55 table[0].data = &net->xfrm.sysctl_aevent_etime;
56 table[1].data = &net->xfrm.sysctl_aevent_rseqth;
57 table[2].data = &net->xfrm.sysctl_larval_drop;
58 table[3].data = &net->xfrm.sysctl_acq_expires;
59
60 net->xfrm.sysctl_hdr = register_net_sysctl_table(net, net_core_path, table);
61 if (!net->xfrm.sysctl_hdr)
62 goto out_register;
63 return 0;
64
65out_register:
66 kfree(table);
67out_kmemdup:
68 return -ENOMEM;
69}
70
71void xfrm_sysctl_fini(struct net *net)
72{
73 struct ctl_table *table;
74
75 table = net->xfrm.sysctl_hdr->ctl_table_arg;
76 unregister_net_sysctl_table(net->xfrm.sysctl_hdr);
77 kfree(table);
78}
79#else
80int __net_init xfrm_sysctl_init(struct net *net)
81{
82 __xfrm_sysctl_init(net);
83 return 0;
84}
85#endif