#include "vmlinux.h" #include #include #define LOCALHOST_IPV4 16777343 struct sock_key { __u32 sip; __u32 dip; __u32 sport; __u32 dport; __u32 family; }; struct { __uint(type, BPF_MAP_TYPE_SOCKHASH); __uint(max_entries, 65535); __type(key, struct sock_key); __type(value, int); } sock_ops_map SEC(".maps");