5 #include <bpf/libbpf.h>
7 int main(int argc, char **argv)
9 struct bpf_link *link = NULL;
10 struct bpf_program *prog;
11 struct bpf_object *obj;
17 snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
18 obj = bpf_object__open_file(filename, NULL);
19 if (libbpf_get_error(obj)) {
20 fprintf(stderr, "ERROR: opening BPF object file failed\n");
24 prog = bpf_object__find_program_by_name(obj, "bpf_prog1");
26 fprintf(stderr, "ERROR: finding a prog in obj file failed\n");
30 /* load BPF program */
31 if (bpf_object__load(obj)) {
32 fprintf(stderr, "ERROR: loading BPF object file failed\n");
36 link = bpf_program__attach(prog);
37 if (libbpf_get_error(link)) {
38 fprintf(stderr, "ERROR: bpf_program__attach failed\n");
43 snprintf(command, 256, "mount %s tmpmnt/", argv[1]);
44 f = popen(command, "r");
48 bpf_link__destroy(link);
49 bpf_object__close(obj);