summaryrefslogtreecommitdiff
path: root/net/ipv6/reassembly.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6/reassembly.c')
-rw-r--r--net/ipv6/reassembly.c66
1 files changed, 63 insertions, 3 deletions
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 4dfcddc871ce..1815ff0cf628 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -625,12 +625,70 @@ static struct inet6_protocol frag_protocol =
.flags = INET6_PROTO_NOPOLICY,
};
-void ipv6_frag_sysctl_init(struct net *net)
+#ifdef CONFIG_SYSCTL
+static struct ctl_table ip6_frags_ctl_table[] = {
+ {
+ .ctl_name = NET_IPV6_IP6FRAG_HIGH_THRESH,
+ .procname = "ip6frag_high_thresh",
+ .data = &init_net.ipv6.sysctl.frags.high_thresh,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ .ctl_name = NET_IPV6_IP6FRAG_LOW_THRESH,
+ .procname = "ip6frag_low_thresh",
+ .data = &init_net.ipv6.sysctl.frags.low_thresh,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ .ctl_name = NET_IPV6_IP6FRAG_TIME,
+ .procname = "ip6frag_time",
+ .data = &init_net.ipv6.sysctl.frags.timeout,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
+ .strategy = &sysctl_jiffies,
+ },
+ {
+ .ctl_name = NET_IPV6_IP6FRAG_SECRET_INTERVAL,
+ .procname = "ip6frag_secret_interval",
+ .data = &init_net.ipv6.sysctl.frags.secret_interval,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
+ .strategy = &sysctl_jiffies
+ },
+ { }
+};
+
+static int ip6_frags_sysctl_register(struct net *net)
+{
+ struct ctl_table_header *hdr;
+
+ hdr = register_net_sysctl_table(net, net_ipv6_ctl_path,
+ ip6_frags_ctl_table);
+ return hdr == NULL ? -ENOMEM : 0;
+}
+#else
+static inline int ip6_frags_sysctl_register(struct net *net)
{
- if (net != &init_net)
- return;
+ return 0;
+}
+#endif
+static int ipv6_frags_init_net(struct net *net)
+{
ip6_frags.ctl = &net->ipv6.sysctl.frags;
+
+ net->ipv6.sysctl.frags.high_thresh = 256 * 1024;
+ net->ipv6.sysctl.frags.low_thresh = 192 * 1024;
+ net->ipv6.sysctl.frags.timeout = IPV6_FRAG_TIMEOUT;
+ net->ipv6.sysctl.frags.secret_interval = 10 * 60 * HZ;
+
+ return ip6_frags_sysctl_register(net);
}
int __init ipv6_frag_init(void)
@@ -641,6 +699,8 @@ int __init ipv6_frag_init(void)
if (ret)
goto out;
+ ipv6_frags_init_net(&init_net);
+
ip6_frags.hashfn = ip6_hashfn;
ip6_frags.constructor = ip6_frag_init;
ip6_frags.destructor = NULL;