+static int ip6_route_net_init(struct net *net)
+{
+ int ret = 0;
+
+ ret = -ENOMEM;
+ net->ipv6.ip6_dst_ops = kmemdup(&ip6_dst_ops_template,
+ sizeof(*net->ipv6.ip6_dst_ops),
+ GFP_KERNEL);
+ if (!net->ipv6.ip6_dst_ops)
+ goto out;
+ net->ipv6.ip6_dst_ops->dst_net = net;
+
+ net->ipv6.ip6_null_entry = kmemdup(&ip6_null_entry_template,
+ sizeof(*net->ipv6.ip6_null_entry),
+ GFP_KERNEL);
+ if (!net->ipv6.ip6_null_entry)
+ goto out_ip6_dst_ops;
+ net->ipv6.ip6_null_entry->u.dst.path =
+ (struct dst_entry *)net->ipv6.ip6_null_entry;
+ net->ipv6.ip6_null_entry->u.dst.ops = net->ipv6.ip6_dst_ops;
+
+#ifdef CONFIG_IPV6_MULTIPLE_TABLES
+ net->ipv6.ip6_prohibit_entry = kmemdup(&ip6_prohibit_entry_template,
+ sizeof(*net->ipv6.ip6_prohibit_entry),
+ GFP_KERNEL);
+ if (!net->ipv6.ip6_prohibit_entry) {
+ kfree(net->ipv6.ip6_null_entry);
+ goto out;
+ }
+ net->ipv6.ip6_prohibit_entry->u.dst.path =
+ (struct dst_entry *)net->ipv6.ip6_prohibit_entry;
+ net->ipv6.ip6_prohibit_entry->u.dst.ops = net->ipv6.ip6_dst_ops;
+
+ net->ipv6.ip6_blk_hole_entry = kmemdup(&ip6_blk_hole_entry_template,
+ sizeof(*net->ipv6.ip6_blk_hole_entry),
+ GFP_KERNEL);
+ if (!net->ipv6.ip6_blk_hole_entry) {
+ kfree(net->ipv6.ip6_null_entry);
+ kfree(net->ipv6.ip6_prohibit_entry);
+ goto out;
+ }
+ net->ipv6.ip6_blk_hole_entry->u.dst.path =
+ (struct dst_entry *)net->ipv6.ip6_blk_hole_entry;
+ net->ipv6.ip6_blk_hole_entry->u.dst.ops = net->ipv6.ip6_dst_ops;
+#endif
+
+#ifdef CONFIG_PROC_FS
+ proc_net_fops_create(net, "ipv6_route", 0, &ipv6_route_proc_fops);
+ proc_net_fops_create(net, "rt6_stats", S_IRUGO, &rt6_stats_seq_fops);
+#endif
+ net->ipv6.ip6_rt_gc_expire = 30*HZ;
+
+ ret = 0;
+out:
+ return ret;
+
+out_ip6_dst_ops:
+ kfree(net->ipv6.ip6_dst_ops);
+ goto out;
+}
+
+static void ip6_route_net_exit(struct net *net)
+{
+#ifdef CONFIG_PROC_FS
+ proc_net_remove(net, "ipv6_route");
+ proc_net_remove(net, "rt6_stats");
+#endif
+ kfree(net->ipv6.ip6_null_entry);
+#ifdef CONFIG_IPV6_MULTIPLE_TABLES
+ kfree(net->ipv6.ip6_prohibit_entry);
+ kfree(net->ipv6.ip6_blk_hole_entry);
+#endif
+ kfree(net->ipv6.ip6_dst_ops);
+}
+
+static struct pernet_operations ip6_route_net_ops = {
+ .init = ip6_route_net_init,
+ .exit = ip6_route_net_exit,
+};
+
+static struct notifier_block ip6_route_dev_notifier = {
+ .notifier_call = ip6_route_dev_notify,
+ .priority = 0,
+};
+