ip_icmp_error
void ip_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port,
EXPORT_SYMBOL_GPL(ip_icmp_error);
ip_icmp_error(sk, skb, err, 0 /* no remote port */,
ip_icmp_error(sk, skb, err, 0, info, payload);
ip_icmp_error(sk, skb, err, th->dest, info, (u8 *)th);
ip_icmp_error(sk, skb, err, uh->dest, info, (u8 *)(uh+1));
return ip_icmp_error(sk, skb, err, port, info, payload);
return ip_icmp_error(sk, skb, err, port, info, payload);