19 #define packed __attribute__((packed))  macro
25     union packed {  in TEST()  union
27         struct packed {  in TEST()  struct
28           struct ethhdr ethhdr;  in TEST()
29           struct iphdr iphdr;  in TEST()
30           struct udphdr udphdr;  in TEST()
31           uint8_t udp_payload[];  in TEST()
72     union packed {  in TEST()  union
74         struct packed {  in TEST()  struct
75           struct ethhdr ethhdr;  in TEST()
76           struct ipv6hdr ipv6hdr;  in TEST()
77           struct udphdr udphdr;  in TEST()
78           uint8_t udp_payload[];  in TEST()
112     union packed {  in TEST()  union
114         struct packed {  in TEST()  struct
115           struct ethhdr ethhdr;  in TEST()
116           struct ipv6hdr ipv6hdr;  in TEST()
117           struct icmp6hdr icmp6hdr;  in TEST()
118           uint8_t icmpv6_payload[];  in TEST()
150     union packed {  in TEST()  union
152         struct packed {  in TEST()  struct
153           struct ethhdr ethhdr;  in TEST()
154           struct ipv6hdr ipv6hdr;  in TEST()
155           uint8_t hopopts[8];  in TEST()
156           struct icmp6hdr icmp6hdr;  in TEST()
157           uint8_t icmpv6_payload[];  in TEST()
197     union packed {  in TEST()  union
199         struct packed {  in TEST()  struct
200           struct ethhdr ethhdr;  in TEST()
201           struct iphdr iphdr;  in TEST()
202           uint8_t router_alert_option[4];  in TEST()
203           struct igmphdr igmphdr;  in TEST()