static void load_and_attach_program(void)
{
int prog_fd, ret;
struct bpf_object *obj;
ret = bpf_flow_load(&obj, cfg_path_name, cfg_section_name,
cfg_map_name, &prog_fd);
if (ret)
error(1, 0, "bpf_flow_load %s", cfg_path_name);
ret = bpf_prog_attach(prog_fd, 0 /* Ignore */, BPF_FLOW_DISSECTOR, 0);
if (ret)
error(1, 0, "bpf_prog_attach %s", cfg_path_name);
ret = bpf_object__pin(obj, cfg_pin_path);
if (ret)
error(1, 0, "bpf_object__pin %s", cfg_pin_path);
}
static int __test__bpf(int idx)
{
int ret;
void *obj_buf;
size_t obj_buf_sz;
struct bpf_object *obj;
ret = test_llvm__fetch_bpf_obj(&obj_buf, &obj_buf_sz,
bpf_testcase_table[idx].prog_id,
true, NULL);
if (ret != TEST_OK || !obj_buf || !obj_buf_sz) {
pr_debug("Unable to get BPF object, %s\n",
bpf_testcase_table[idx].msg_compile_fail);
if (idx == 0)
return TEST_SKIP;
else
return TEST_FAIL;
}
obj = prepare_bpf(obj_buf, obj_buf_sz,
bpf_testcase_table[idx].name);
if ((!!bpf_testcase_table[idx].target_func) != (!!obj)) {
if (!obj)
pr_debug("Fail to load BPF object: %s\n",
bpf_testcase_table[idx].msg_load_fail);
else
pr_debug("Success unexpectedly: %s\n",
bpf_testcase_table[idx].msg_load_fail);
ret = TEST_FAIL;
goto out;
}
if (obj) {
ret = do_test(obj,
bpf_testcase_table[idx].target_func,
bpf_testcase_table[idx].expect_result);
if (ret != TEST_OK)
goto out;
if (bpf_testcase_table[idx].pin) {
int err;
if (!bpf_fs__mount()) {
pr_debug("BPF filesystem not mounted\n");
ret = TEST_FAIL;
goto out;
}
err = mkdir(PERF_TEST_BPF_PATH, 0777);
if (err && errno != EEXIST) {
pr_debug("Failed to make perf_test dir: %s\n",
strerror(errno));
ret = TEST_FAIL;
goto out;
}
if (bpf_object__pin(obj, PERF_TEST_BPF_PATH))
ret = TEST_FAIL;
if (rm_rf(PERF_TEST_BPF_PATH))
ret = TEST_FAIL;
}
}
out:
bpf__clear();
return ret;
}
