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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2021 Facebook */
#include <test_progs.h>
#include "timer_mim.skel.h"
#include "timer_mim_reject.skel.h"
static int timer_mim(struct timer_mim *timer_skel)
{
__u64 cnt1, cnt2;
int err, prog_fd, key1 = 1;
LIBBPF_OPTS(bpf_test_run_opts, topts);
err = timer_mim__attach(timer_skel);
if (!ASSERT_OK(err, "timer_attach"))
return err;
prog_fd = bpf_program__fd(timer_skel->progs.test1);
err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "test_run");
ASSERT_EQ(topts.retval, 0, "test_run");
timer_mim__detach(timer_skel);
/* check that timer_cb[12] are incrementing 'cnt' */
cnt1 = READ_ONCE(timer_skel->bss->cnt);
for (int i = 0; i < 100; i++) {
cnt2 = READ_ONCE(timer_skel->bss->cnt);
if (cnt2 != cnt1)
break;
usleep(200); /* 100 times more than interval */
}
ASSERT_GT(cnt2, cnt1, "cnt");
ASSERT_EQ(timer_skel->bss->err, 0, "err");
/* check that code paths completed */
ASSERT_EQ(timer_skel->bss->ok, 1 | 2, "ok");
close(bpf_map__fd(timer_skel->maps.inner_htab));
err = bpf_map__delete_elem(timer_skel->maps.outer_arr, &key1, sizeof(key1), 0);
ASSERT_EQ(err, 0, "delete inner map");
/* check that timer_cb[12] are no longer running */
cnt1 = READ_ONCE(timer_skel->bss->cnt);
for (int i = 0; i < 100; i++) {
usleep(200); /* 100 times more than interval */
cnt2 = READ_ONCE(timer_skel->bss->cnt);
if (cnt2 == cnt1)
break;
}
ASSERT_EQ(cnt2, cnt1, "cnt");
return 0;
}
void serial_test_timer_mim(void)
{
struct timer_mim_reject *timer_reject_skel = NULL;
libbpf_print_fn_t old_print_fn = NULL;
struct timer_mim *timer_skel = NULL;
int err;
old_print_fn = libbpf_set_print(NULL);
timer_reject_skel = timer_mim_reject__open_and_load();
libbpf_set_print(old_print_fn);
if (!ASSERT_ERR_PTR(timer_reject_skel, "timer_reject_skel_load"))
goto cleanup;
timer_skel = timer_mim__open_and_load();
if (!ASSERT_OK_PTR(timer_skel, "timer_skel_load"))
goto cleanup;
err = timer_mim(timer_skel);
ASSERT_OK(err, "timer_mim");
cleanup:
timer_mim__destroy(timer_skel);
timer_mim_reject__destroy(timer_reject_skel);
}
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