ip_icmp_error     388 include/net/ip.h extern void	ip_icmp_error(struct sock *sk, struct sk_buff *skb, int err, 
ip_icmp_error     255 net/ipv4/raw.c 		ip_icmp_error(sk, skb, err, 0, info, payload);
ip_icmp_error     385 net/ipv4/udp.c 		ip_icmp_error(sk, skb, err, uh->dest, info, (u8*)(uh+1));