1 #include <linux/bpf.h> 2 #include <bpf/bpf_helpers.h> 3 #include <bpf/bpf_endian.h> 4 5 struct { 6 __uint(type, BPF_MAP_TYPE_SOCKMAP); 7 __uint(max_entries, 20); 8 __type(key, int); 9 __type(value, int); 10 } sock_map_rx SEC(".maps"); 11 12 struct { 13 __uint(type, BPF_MAP_TYPE_SOCKMAP); 14 __uint(max_entries, 20); 15 __type(key, int); 16 __type(value, int); 17 } sock_map_tx SEC(".maps"); 18 19 struct { 20 __uint(type, BPF_MAP_TYPE_SOCKMAP); 21 __uint(max_entries, 20); 22 __type(key, int); 23 __type(value, int); 24 } sock_map_msg SEC(".maps"); 25 26 SEC("sk_skb/stream_verdict") 27 int prog_skb_verdict(struct __sk_buff *skb) 28 { 29 return SK_PASS; 30 } 31 32 int clone_called; 33 34 SEC("sk_skb/stream_verdict") 35 int prog_skb_verdict_clone(struct __sk_buff *skb) 36 { 37 clone_called = 1; 38 return SK_PASS; 39 } 40 41 SEC("sk_skb/stream_parser") 42 int prog_skb_parser(struct __sk_buff *skb) 43 { 44 return SK_PASS; 45 } 46 47 char _license[] SEC("license") = "GPL"; 48