IP6T_ICMP_INV 2184 net/ipv6/netfilter/ip6_tables.c !!(icmpinfo->invflags&IP6T_ICMP_INV)); IP6T_ICMP_INV 2193 net/ipv6/netfilter/ip6_tables.c return !(icmpinfo->invflags & ~IP6T_ICMP_INV);