dev_hold(dev);
ipip_tunnel_link(nt);
- /* Do not decrement MOD_USE_COUNT here. */
return nt;
failed:
dev_put(dev);
}
-static void ipip_err(struct sk_buff *skb, void *__unused)
+static void ipip_err(struct sk_buff *skb, u32 info)
{
#ifndef I_WISH_WORLD_WERE_PERFECT
return 0;
}
+#ifdef CONFIG_INET_TUNNEL
static struct xfrm_tunnel ipip_handler = {
.handler = ipip_rcv,
.err_handler = ipip_err,
};
+static inline int ipip_register(void)
+{
+ return xfrm4_tunnel_register(&ipip_handler);
+}
+
+static inline int ipip_unregister(void)
+{
+ return xfrm4_tunnel_deregister(&ipip_handler);
+}
+#else
+static struct net_protocol ipip_protocol = {
+ .handler = ipip_rcv,
+ .err_handler = ipip_err,
+ .no_policy = 1,
+};
+
+static inline int ipip_register(void)
+{
+ return inet_add_protocol(&ipip_protocol, IPPROTO_IPIP);
+}
+
+static inline int ipip_unregister(void)
+{
+ return inet_del_protocol(&ipip_protocol, IPPROTO_IPIP);
+}
+#endif
+
static char banner[] __initdata =
KERN_INFO "IPv4 over IPv4 tunneling driver\n";
printk(banner);
- if (xfrm4_tunnel_register(&ipip_handler) < 0) {
+ if (ipip_register() < 0) {
printk(KERN_INFO "ipip init: can't register tunnel\n");
return -EAGAIN;
}
err2:
free_netdev(ipip_fb_tunnel_dev);
err1:
- xfrm4_tunnel_deregister(&ipip_handler);
+ ipip_unregister();
goto out;
}
+static void __exit ipip_destroy_tunnels(void)
+{
+ int prio;
+
+ for (prio = 1; prio < 4; prio++) {
+ int h;
+ for (h = 0; h < HASH_SIZE; h++) {
+ struct ip_tunnel *t;
+ while ((t = tunnels[prio][h]) != NULL)
+ unregister_netdevice(t->dev);
+ }
+ }
+}
+
static void __exit ipip_fini(void)
{
- if (xfrm4_tunnel_deregister(&ipip_handler) < 0)
+ if (ipip_unregister() < 0)
printk(KERN_INFO "ipip close: can't deregister tunnel\n");
- unregister_netdev(ipip_fb_tunnel_dev);
+ rtnl_lock();
+ ipip_destroy_tunnels();
+ unregister_netdevice(ipip_fb_tunnel_dev);
+ rtnl_unlock();
}
module_init(ipip_init);