Merge tag 'ceph-for-5.3-rc1' of git://github.com/ceph/ceph-client
[linux-2.6-microblaze.git] / samples / bpf / sockex1_user.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include <stdio.h>
3 #include <assert.h>
4 #include <linux/bpf.h>
5 #include <bpf/bpf.h>
6 #include "libbpf.h"
7 #include "sock_example.h"
8 #include <unistd.h>
9 #include <arpa/inet.h>
10
11 int main(int ac, char **argv)
12 {
13         struct bpf_object *obj;
14         int map_fd, prog_fd;
15         char filename[256];
16         int i, sock;
17         FILE *f;
18
19         snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
20
21         if (bpf_prog_load(filename, BPF_PROG_TYPE_SOCKET_FILTER,
22                           &obj, &prog_fd))
23                 return 1;
24
25         map_fd = bpf_object__find_map_fd_by_name(obj, "my_map");
26
27         sock = open_raw_sock("lo");
28
29         assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, &prog_fd,
30                           sizeof(prog_fd)) == 0);
31
32         f = popen("ping -4 -c5 localhost", "r");
33         (void) f;
34
35         for (i = 0; i < 5; i++) {
36                 long long tcp_cnt, udp_cnt, icmp_cnt;
37                 int key;
38
39                 key = IPPROTO_TCP;
40                 assert(bpf_map_lookup_elem(map_fd, &key, &tcp_cnt) == 0);
41
42                 key = IPPROTO_UDP;
43                 assert(bpf_map_lookup_elem(map_fd, &key, &udp_cnt) == 0);
44
45                 key = IPPROTO_ICMP;
46                 assert(bpf_map_lookup_elem(map_fd, &key, &icmp_cnt) == 0);
47
48                 printf("TCP %lld UDP %lld ICMP %lld bytes\n",
49                        tcp_cnt, udp_cnt, icmp_cnt);
50                 sleep(1);
51         }
52
53         return 0;
54 }