static void rawv6_err(struct sock *sk, struct sk_buff *skb,
	       struct inet6_skb_parm *opt,
	       u8 type, u8 code, int offset, __be32 info)
static void rawv6_err(struct sock *sk, struct sk_buff *skb,
		      u8 type, u8 code, int offset, __be32 info)