2 files changed, 36 insertions, 0 deletions

diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 0071ee6f441f..26496babdf3a 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -264,6 +264,20 @@ static struct xfrm_policy_afinfo xfrm4_policy_afinfo = {
         .fill_dst =             xfrm4_fill_dst,
 };
 
+static struct ctl_table xfrm4_policy_table[] = {
+        {
+                .ctl_name       = CTL_UNNUMBERED,
+                .procname       = "xfrm4_gc_thresh",
+                .data           = &xfrm4_dst_ops.gc_thresh,
+                .maxlen         = sizeof(int),
+                .mode           = 0644,
+                .proc_handler   = proc_dointvec,
+        },
+        { }
+};
+
+static struct ctl_table_header *sysctl_hdr;
+
 static void __init xfrm4_policy_init(void)
 {
         xfrm_policy_register_afinfo(&xfrm4_policy_afinfo);
@@ -271,6 +285,8 @@ static void __init xfrm4_policy_init(void)
 
 static void __exit xfrm4_policy_fini(void)
 {
+        if (sysctl_hdr)
+                unregister_net_sysctl_table(sysctl_hdr);
         xfrm_policy_unregister_afinfo(&xfrm4_policy_afinfo);
 }
 
@@ -278,5 +294,7 @@ void __init xfrm4_init(void)
 {
         xfrm4_state_init();
         xfrm4_policy_init();
+        sysctl_hdr = register_net_sysctl_table(&init_net, net_ipv4_ctl_path,
+                                                xfrm4_policy_table);
 }
 
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 3a3c677bc0f2..4acc308eac7f 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -306,6 +306,20 @@ static void xfrm6_policy_fini(void)
         xfrm_policy_unregister_afinfo(&xfrm6_policy_afinfo);
 }
 
+static struct ctl_table xfrm6_policy_table[] = {
+        {
+                .ctl_name       = CTL_UNNUMBERED,
+                .procname       = "xfrm6_gc_thresh",
+                .data           = &xfrm6_dst_ops.gc_thresh,
+                .maxlen         = sizeof(int),
+                .mode           = 0644,
+                .proc_handler   = proc_dointvec,
+        },
+        { }
+};
+
+static struct ctl_table_header *sysctl_hdr;
+
 int __init xfrm6_init(void)
 {
         int ret;
@@ -317,6 +331,8 @@ int __init xfrm6_init(void)
         ret = xfrm6_state_init();
         if (ret)
                 goto out_policy;
+        sysctl_hdr = register_net_sysctl_table(&init_net, net_ipv6_ctl_path,
+                                                xfrm6_policy_table);
 out:
         return ret;
 out_policy:
@@ -326,6 +342,8 @@ out_policy:
 
 void xfrm6_fini(void)
 {
+        if (sysctl_hdr)
+                unregister_net_sysctl_table(sysctl_hdr);
         //xfrm6_input_fini();
         xfrm6_policy_fini();
         xfrm6_state_fini();