+ void handle_ethernet(CaptureContext &, const ethhdr *, unsigned);
+ void handle_ipv4(CaptureContext &, const iphdr *, unsigned);
+ void handle_ipv6(CaptureContext &, const ip6_hdr *, unsigned);
+ void handle_tcp(CaptureContext &, const tcphdr *, unsigned);
+ void handle_udp(CaptureContext &, const udphdr *, unsigned);
+ void handle_icmp(CaptureContext &, const icmphdr *, unsigned);
+ void handle_icmp6(CaptureContext &, const icmp6_hdr *, unsigned);
+ void handle_packet(CaptureContext &);