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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2024 Benjamin Tissoires */
#include <test_progs.h>
#include "wq.skel.h"
#include "wq_failures.skel.h"
void serial_test_wq(void)
{
struct wq *wq_skel = NULL;
int err, prog_fd;
LIBBPF_OPTS(bpf_test_run_opts, topts);
RUN_TESTS(wq);
/* re-run the success test to check if the timer was actually executed */
wq_skel = wq__open_and_load();
if (!ASSERT_OK_PTR(wq_skel, "wq__open_and_load"))
return;
err = wq__attach(wq_skel);
if (!ASSERT_OK(err, "wq_attach"))
goto clean_up;
prog_fd = bpf_program__fd(wq_skel->progs.test_syscall_array_sleepable);
err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "test_run");
ASSERT_EQ(topts.retval, 0, "test_run");
usleep(50); /* 10 usecs should be enough, but give it extra */
ASSERT_EQ(wq_skel->bss->ok_sleepable, (1 << 1), "ok_sleepable");
clean_up:
wq__destroy(wq_skel);
}
void serial_test_failures_wq(void)
{
RUN_TESTS(wq_failures);
}
static void test_failure_map_no_btf(void)
{
struct wq *skel = NULL;
char log[8192];
const struct bpf_insn *insns;
size_t insn_cnt;
int ret, err, map_fd;
LIBBPF_OPTS(bpf_prog_load_opts, opts, .log_size = sizeof(log), .log_buf = log,
.log_level = 2);
skel = wq__open();
if (!ASSERT_OK_PTR(skel, "skel_open"))
return;
err = bpf_object__prepare(skel->obj);
if (!ASSERT_OK(err, "skel__prepare"))
goto out;
map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "map_no_btf", sizeof(__u32), sizeof(__u64), 100,
NULL);
if (!ASSERT_GT(map_fd, -1, "map create"))
goto out;
err = bpf_map__reuse_fd(skel->maps.array, map_fd);
if (!ASSERT_OK(err, "map reuse fd")) {
close(map_fd);
goto out;
}
insns = bpf_program__insns(skel->progs.test_map_no_btf);
if (!ASSERT_OK_PTR(insns, "insns ptr"))
goto out;
insn_cnt = bpf_program__insn_cnt(skel->progs.test_map_no_btf);
if (!ASSERT_GT(insn_cnt, 0u, "insn cnt"))
goto out;
ret = bpf_prog_load(BPF_PROG_TYPE_TRACEPOINT, NULL, "GPL", insns, insn_cnt, &opts);
if (!ASSERT_LT(ret, 0, "prog load failed")) {
if (ret > 0)
close(ret);
goto out;
}
ASSERT_HAS_SUBSTR(log, "map 'map_no_btf' has to have BTF in order to use bpf_wq",
"log complains no map BTF");
out:
wq__destroy(skel);
}
void test_wq_custom(void)
{
if (test__start_subtest("test_failure_map_no_btf"))
test_failure_map_no_btf();
}
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