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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
a8085782 AS |
2 | #include <stdio.h> |
3 | #include <assert.h> | |
4 | #include <linux/bpf.h> | |
5 | #include "libbpf.h" | |
6 | #include "bpf_load.h" | |
9899694a | 7 | #include "sock_example.h" |
a8085782 AS |
8 | #include <unistd.h> |
9 | #include <arpa/inet.h> | |
10 | ||
11 | int main(int ac, char **argv) | |
12 | { | |
13 | char filename[256]; | |
14 | FILE *f; | |
15 | int i, sock; | |
16 | ||
17 | snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); | |
18 | ||
19 | if (load_bpf_file(filename)) { | |
20 | printf("%s", bpf_log_buf); | |
21 | return 1; | |
22 | } | |
23 | ||
24 | sock = open_raw_sock("lo"); | |
25 | ||
26 | assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, prog_fd, | |
27 | sizeof(prog_fd[0])) == 0); | |
28 | ||
29 | f = popen("ping -c5 localhost", "r"); | |
30 | (void) f; | |
31 | ||
32 | for (i = 0; i < 5; i++) { | |
33 | long long tcp_cnt, udp_cnt, icmp_cnt; | |
34 | int key; | |
35 | ||
36 | key = IPPROTO_TCP; | |
d40fc181 | 37 | assert(bpf_map_lookup_elem(map_fd[0], &key, &tcp_cnt) == 0); |
a8085782 AS |
38 | |
39 | key = IPPROTO_UDP; | |
d40fc181 | 40 | assert(bpf_map_lookup_elem(map_fd[0], &key, &udp_cnt) == 0); |
a8085782 AS |
41 | |
42 | key = IPPROTO_ICMP; | |
d40fc181 | 43 | assert(bpf_map_lookup_elem(map_fd[0], &key, &icmp_cnt) == 0); |
a8085782 | 44 | |
614cd3bd | 45 | printf("TCP %lld UDP %lld ICMP %lld bytes\n", |
a8085782 AS |
46 | tcp_cnt, udp_cnt, icmp_cnt); |
47 | sleep(1); | |
48 | } | |
49 | ||
50 | return 0; | |
51 | } |