taglinefilesource code
ICMP_DEST_UNREACH387net/inet/icmp.ccase ICMP_DEST_UNREACH:
ICMP_DEST_UNREACH998net/inet/ip.cicmp_send(skb,ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, dev); 
ICMP_DEST_UNREACH1114net/inet/ip.cicmp_send(skb, ICMP_DEST_UNREACH, ICMP_NET_UNREACH, dev);
ICMP_DEST_UNREACH1133net/inet/ip.cicmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, dev);
ICMP_DEST_UNREACH1256net/inet/ip.cicmp_send(skb, ICMP_DEST_UNREACH, ICMP_PROT_UNREACH, dev);
ICMP_DEST_UNREACH1333net/inet/ip.cicmp_send(skb, ICMP_DEST_UNREACH, ICMP_PROT_UNREACH, dev);
ICMP_DEST_UNREACH560net/inet/udp.cicmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, dev);