* YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
*/
+#include <linux/icmpv6.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
+#include <net/ipv6.h>
#include <net/protocol.h>
#include <net/xfrm.h>
struct sk_buff *skb = *pskb;
struct xfrm6_tunnel *handler;
+ if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
+ goto drop;
+
for (handler = tunnel6_handlers; handler; handler = handler->next)
if (!handler->handler(skb))
return 0;
+ icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0, skb->dev);
+
+drop:
kfree_skb(skb);
return 0;
}