1 #include <linux/bpf.h> 2 3 #include <bpf/bpf_helpers.h> 4 #include <bpf/bpf_endian.h> 5 6 int _version SEC("version") = 1; 7 8 SEC("sk_msg1") 9 int bpf_prog1(struct sk_msg_md *msg) 10 { 11 return SK_PASS; 12 } 13 14 char _license[] SEC("license") = "GPL"; 15